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 (__connman_security_check_privileges(msg) < 0)
 189                 return __connman_error_permission_denied(msg);
 190
 191         if (network->connected == TRUE)
 192                 return __connman_error_failed(msg);
 193
 194         if (network->driver && network->driver->connect) {
 195                 err = network->driver->connect(network);
 196                 if (err < 0 && err != -EINPROGRESS)
 197                         return __connman_error_failed(msg);
 198         } else
 199                 network->connected = TRUE;
 200
 201         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 202 }
 203
 204 static DBusMessage *do_disconnect(DBusConnection *conn,
 205                                         DBusMessage *msg, void *data)
 206 {
 207         struct connman_network *network = data;
 208         int err;
 209
 210         DBG("conn %p", conn);
 211
 212         if (__connman_security_check_privileges(msg) < 0)
 213                 return __connman_error_permission_denied(msg);
 214
 215         if (network->connected == FALSE)
 216                 return __connman_error_failed(msg);
 217
 218         connman_element_unregister_children(&network->element);
 219
 220         if (network->driver && network->driver->disconnect) {
 221                 err = network->driver->disconnect(network);
 222                 if (err < 0 && err != -EINPROGRESS)
 223                         return __connman_error_failed(msg);
 224         } else
 225                 network->connected = FALSE;
 226
 227         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 228 }
 229
 230 static GDBusMethodTable network_methods[] = {
 231         { "GetProperties", "",   "a{sv}", get_properties },
 232         { "SetProperty",   "sv", "",      set_property   },
 233         { "Connect",       "",   "",      do_connect     },
 234         { "Disconnect",    "",   "",      do_disconnect  },
 235         { },
 236 };
 237
 238 static GDBusSignalTable network_signals[] = {
 239         { "PropertyChanged", "sv" },
 240         { },
 241 };
 242
 243 static DBusConnection *connection;
 244
 245 static void append_networks(struct connman_device *device,
 246                                                 DBusMessageIter *entry)
 247 {
 248         DBusMessageIter value, iter;
 249         const char *key = "Networks";
 250
 251         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 252
 253         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 254                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 255                                                                 &value);
 256
 257         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 258                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 259         __connman_element_list((struct connman_element *) device,
 260                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 261         dbus_message_iter_close_container(&value, &iter);
 262
 263         dbus_message_iter_close_container(entry, &value);
 264 }
 265
 266 static void emit_networks_signal(struct connman_device *device)
 267 {
 268         DBusMessage *signal;
 269         DBusMessageIter entry;
 270
 271         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 272                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 273         if (signal == NULL)
 274                 return;
 275
 276         dbus_message_iter_init_append(signal, &entry);
 277
 278         append_networks(device, &entry);
 279
 280         g_dbus_send_message(connection, signal);
 281 }
 282
 283 static int register_interface(struct connman_element *element)
 284 {
 285         struct connman_network *network = element->network;
 286
 287         DBG("element %p name %s", element, element->name);
 288
 289         if (g_dbus_register_interface(connection, element->path,
 290                                         CONNMAN_NETWORK_INTERFACE,
 291                                         network_methods, network_signals,
 292                                         NULL, network, NULL) == FALSE) {
 293                 connman_error("Failed to register %s network", element->path);
 294                 return -EIO;
 295         }
 296
 297         network->registered = TRUE;
 298
 299         emit_networks_signal(network->device);
 300
 301         return 0;
 302 }
 303
 304 static void unregister_interface(struct connman_element *element)
 305 {
 306         struct connman_network * network = element->network;
 307
 308         DBG("element %p name %s", element, element->name);
 309
 310         network->registered = FALSE;
 311
 312         emit_networks_signal(network->device);
 313
 314         g_dbus_unregister_interface(connection, element->path,
 315                                                 CONNMAN_NETWORK_INTERFACE);
 316 }
 317
 318 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 319 {
 320         if (network == NULL || network->driver == NULL)
 321                 return FALSE;
 322
 323         return network->registered;
 324 }
 325
 326 static GSList *driver_list = NULL;
 327
 328 static gint compare_priority(gconstpointer a, gconstpointer b)
 329 {
 330         const struct connman_network_driver *driver1 = a;
 331         const struct connman_network_driver *driver2 = b;
 332
 333         return driver2->priority - driver1->priority;
 334 }
 335
 336 /**
 337  * connman_network_driver_register:
 338  * @driver: network driver definition
 339  *
 340  * Register a new network driver
 341  *
 342  * Returns: %0 on success
 343  */
 344 int connman_network_driver_register(struct connman_network_driver *driver)
 345 {
 346         DBG("driver %p name %s", driver, driver->name);
 347
 348         driver_list = g_slist_insert_sorted(driver_list, driver,
 349                                                         compare_priority);
 350
 351         return 0;
 352 }
 353
 354 /**
 355  * connman_network_driver_unregister:
 356  * @driver: network driver definition
 357  *
 358  * Remove a previously registered network driver
 359  */
 360 void connman_network_driver_unregister(struct connman_network_driver *driver)
 361 {
 362         DBG("driver %p name %s", driver, driver->name);
 363
 364         driver_list = g_slist_remove(driver_list, driver);
 365 }
 366
 367 static void network_destruct(struct connman_element *element)
 368 {
 369         struct connman_network *network = element->network;
 370
 371         DBG("element %p name %s", element, element->name);
 372
 373         g_free(network->wifi.ssid);
 374         g_free(network->wifi.mode);
 375         g_free(network->wifi.security);
 376         g_free(network->wifi.passphrase);
 377
 378         g_free(network->node);
 379         g_free(network->name);
 380         g_free(network->identifier);
 381 }
 382
 383 /**
 384  * connman_network_create:
 385  * @identifier: network identifier (for example an unqiue name)
 386  *
 387  * Allocate a new network and assign the #identifier to it.
 388  *
 389  * Returns: a newly-allocated #connman_network structure
 390  */
 391 struct connman_network *connman_network_create(const char *identifier,
 392                                                 enum connman_network_type type)
 393 {
 394         struct connman_network *network;
 395         connman_uint8_t strength = 0;
 396         const char *str;
 397
 398         DBG("identifier %s type %d", identifier, type);
 399
 400         network = g_try_new0(struct connman_network, 1);
 401         if (network == NULL)
 402                 return NULL;
 403
 404         DBG("network %p", network);
 405
 406         network->element.refcount = 1;
 407
 408         network->element.name = g_strdup(identifier);
 409         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 410         network->element.index = -1;
 411
 412         network->element.network = network;
 413         network->element.destruct = network_destruct;
 414
 415         str = type2string(type);
 416         if (str != NULL)
 417                 connman_element_add_static_property(&network->element,
 418                                         "Type", DBUS_TYPE_STRING, &str);
 419
 420         connman_element_add_static_property(&network->element,
 421                                         "Strength", DBUS_TYPE_BYTE, &strength);
 422
 423         network->type = type;
 424         network->identifier = g_strdup(identifier);
 425
 426         return network;
 427 }
 428
 429 /**
 430  * connman_network_ref:
 431  * @network: network structure
 432  *
 433  * Increase reference counter of  network
 434  */
 435 struct connman_network *connman_network_ref(struct connman_network *network)
 436 {
 437         if (connman_element_ref(&network->element) == NULL)
 438                 return NULL;
 439
 440         return network;
 441 }
 442
 443 /**
 444  * connman_network_unref:
 445  * @network: network structure
 446  *
 447  * Decrease reference counter of network
 448  */
 449 void connman_network_unref(struct connman_network *network)
 450 {
 451         connman_element_unref(&network->element);
 452 }
 453
 454 /**
 455  * connman_network_get_identifier:
 456  * @network: network structure
 457  *
 458  * Get identifier of network
 459  */
 460 const char *connman_network_get_identifier(struct connman_network *network)
 461 {
 462         return network->identifier;
 463 }
 464
 465 /**
 466  * connman_network_get_path:
 467  * @network: network structure
 468  *
 469  * Get path name of network
 470  */
 471 const char *connman_network_get_path(struct connman_network *network)
 472 {
 473         return network->element.path;
 474 }
 475
 476 /**
 477  * connman_network_set_index:
 478  * @network: network structure
 479  * @index: index number
 480  *
 481  * Set index number of network
 482  */
 483 void connman_network_set_index(struct connman_network *network, int index)
 484 {
 485         network->element.index = index;
 486 }
 487
 488 /**
 489  * connman_network_get_index:
 490  * @network: network structure
 491  *
 492  * Get index number of network
 493  */
 494 int connman_network_get_index(struct connman_network *network)
 495 {
 496         return network->element.index;
 497 }
 498
 499 /**
 500  * connman_network_set_protocol:
 501  * @network: network structure
 502  * @protocol: network protocol
 503  *
 504  * Change protocol of network
 505  */
 506 void connman_network_set_protocol(struct connman_network *network,
 507                                         enum connman_network_protocol protocol)
 508 {
 509         network->protocol = protocol;
 510 }
 511
 512 /**
 513  * connman_network_set_connected:
 514  * @network: network structure
 515  * @connected: connected state
 516  *
 517  * Change connected state of network
 518  */
 519 int connman_network_set_connected(struct connman_network *network,
 520                                                 connman_bool_t connected)
 521 {
 522         DBG("network %p connected %d", network, connected);
 523
 524         if (network->connected == connected)
 525                 return -EALREADY;
 526
 527         network->connected = connected;
 528
 529         if (connected == TRUE) {
 530                 struct connman_element *element;
 531                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 532
 533                 switch (network->protocol) {
 534                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 535                         return 0;
 536                 case CONNMAN_NETWORK_PROTOCOL_IP:
 537                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 538                         break;
 539                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 540                         type = CONNMAN_ELEMENT_TYPE_PPP;
 541                         break;
 542                 }
 543
 544                 __connman_device_increase_connections(network->device);
 545
 546                 element = connman_element_create(NULL);
 547                 if (element != NULL) {
 548                         element->type  = type;
 549                         element->index = network->element.index;
 550
 551                         if (connman_element_register(element,
 552                                                 &network->element) < 0)
 553                                 connman_element_unref(element);
 554                 }
 555         } else {
 556                 connman_element_unregister_children(&network->element);
 557
 558                 __connman_device_decrease_connections(network->device);
 559         }
 560
 561         return 0;
 562 }
 563
 564 /**
 565  * connman_network_get_remember:
 566  * @network: network structure
 567  *
 568  * Get network remember setting
 569  */
 570 connman_bool_t connman_network_get_remember(struct connman_network *network)
 571 {
 572         return network->remember;
 573 }
 574
 575 /**
 576  * connman_network_connect:
 577  * @network: network structure
 578  *
 579  * Connect network
 580  */
 581 int connman_network_connect(struct connman_network *network)
 582 {
 583         if (network->connected == TRUE)
 584                 return -EALREADY;
 585
 586         if (network->driver && network->driver->connect)
 587                 return network->driver->connect(network);
 588
 589         network->connected = TRUE;
 590
 591         return 0;
 592 }
 593
 594 /**
 595  * connman_network_set_string:
 596  * @network: network structure
 597  * @key: unique identifier
 598  * @value: string value
 599  *
 600  * Set string value for specific key
 601  */
 602 int connman_network_set_string(struct connman_network *network,
 603                                         const char *key, const char *value)
 604 {
 605         DBG("network %p key %s value %s", network, key, value);
 606
 607         if (g_str_equal(key, "Name") == TRUE) {
 608                 g_free(network->name);
 609                 network->name = g_strdup(value);
 610         } else if (g_str_equal(key, "Node") == TRUE) {
 611                 g_free(network->node);
 612                 network->node = g_strdup(value);
 613         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 614                 g_free(network->wifi.mode);
 615                 network->wifi.mode = g_strdup(value);
 616         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 617                 g_free(network->wifi.security);
 618                 network->wifi.security = g_strdup(value);
 619         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 620                 g_free(network->wifi.passphrase);
 621                 network->wifi.passphrase = g_strdup(value);
 622         }
 623
 624         return 0;
 625 }
 626
 627 /**
 628  * connman_network_get_string:
 629  * @network: network structure
 630  * @key: unique identifier
 631  *
 632  * Get string value for specific key
 633  */
 634 const char *connman_network_get_string(struct connman_network *network,
 635                                                         const char *key)
 636 {
 637         DBG("network %p key %s", network, key);
 638
 639         if (g_str_equal(key, "Name") == TRUE)
 640                 return network->name;
 641         else if (g_str_equal(key, "Node") == TRUE)
 642                 return network->node;
 643         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 644                 return network->wifi.mode;
 645         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 646                 return network->wifi.security;
 647         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 648                 return network->wifi.passphrase;
 649
 650         return NULL;
 651 }
 652
 653 /**
 654  * connman_network_set_uint8:
 655  * @network: network structure
 656  * @key: unique identifier
 657  * @value: integer value
 658  *
 659  * Set integer value for specific key
 660  */
 661 int connman_network_set_uint8(struct connman_network *network,
 662                                         const char *key, connman_uint8_t value)
 663 {
 664         DBG("network %p key %s value %d", network, key, value);
 665
 666         if (g_str_equal(key, "Strength") == TRUE) {
 667                 network->strength = value;
 668                 connman_element_set_static_property(&network->element,
 669                                         "Strength", DBUS_TYPE_BYTE, &value);
 670         }
 671
 672         return 0;
 673 }
 674
 675 /**
 676  * connman_network_set_blob:
 677  * @network: network structure
 678  * @key: unique identifier
 679  * @data: blob data
 680  * @size: blob size
 681  *
 682  * Set binary blob value for specific key
 683  */
 684 int connman_network_set_blob(struct connman_network *network,
 685                         const char *key, const void *data, unsigned int size)
 686 {
 687         DBG("network %p key %s size %d", network, key, size);
 688
 689         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 690                 g_free(network->wifi.ssid);
 691                 network->wifi.ssid = g_try_malloc(size);
 692                 if (network->wifi.ssid != NULL) {
 693                         memcpy(network->wifi.ssid, data, size);
 694                         network->wifi.ssid_len = size;
 695                 } else
 696                         network->wifi.ssid_len = 0;
 697         }
 698
 699         return 0;
 700 }
 701
 702 /**
 703  * connman_network_get_blob:
 704  * @network: network structure
 705  * @key: unique identifier
 706  * @size: pointer to blob size
 707  *
 708  * Get binary blob value for specific key
 709  */
 710 const void *connman_network_get_blob(struct connman_network *network,
 711                                         const char *key, unsigned int *size)
 712 {
 713         DBG("network %p key %s", network, key);
 714
 715         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 716                 if (size != NULL)
 717                         *size = network->wifi.ssid_len;
 718                 return network->wifi.ssid;
 719         }
 720
 721         return NULL;
 722 }
 723
 724 void __connman_network_set_device(struct connman_network *network,
 725                                         struct connman_device *device)
 726 {
 727         network->device = device;
 728 }
 729
 730 /**
 731  * connman_network_get_device:
 732  * @network: network structure
 733  *
 734  * Get parent device of network
 735  */
 736 struct connman_device *connman_network_get_device(struct connman_network *network)
 737 {
 738         return network->device;
 739 }
 740
 741 /**
 742  * connman_network_get_data:
 743  * @network: network structure
 744  *
 745  * Get private network data pointer
 746  */
 747 void *connman_network_get_data(struct connman_network *network)
 748 {
 749         return network->driver_data;
 750 }
 751
 752 /**
 753  * connman_network_set_data:
 754  * @network: network structure
 755  * @data: data pointer
 756  *
 757  * Set private network data pointer
 758  */
 759 void connman_network_set_data(struct connman_network *network, void *data)
 760 {
 761         network->driver_data = data;
 762 }
 763
 764 static gboolean match_driver(struct connman_network *network,
 765                                         struct connman_network_driver *driver)
 766 {
 767         if (network->type == driver->type ||
 768                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
 769                 return TRUE;
 770
 771         return FALSE;
 772 }
 773
 774 static int network_probe(struct connman_element *element)
 775 {
 776         struct connman_network *network = element->network;
 777         GSList *list;
 778         int err;
 779
 780         DBG("element %p name %s", element, element->name);
 781
 782         if (network == NULL)
 783                 return -ENODEV;
 784
 785         for (list = driver_list; list; list = list->next) {
 786                 struct connman_network_driver *driver = list->data;
 787
 788                 if (match_driver(network, driver) == FALSE)
 789                         continue;
 790
 791                 DBG("driver %p name %s", driver, driver->name);
 792
 793                 if (driver->probe(network) == 0) {
 794                         network->driver = driver;
 795                         break;
 796                 }
 797         }
 798
 799         if (network->driver == NULL)
 800                 return -ENODEV;
 801
 802         err = register_interface(element);
 803         if (err < 0) {
 804                 if (network->driver->remove)
 805                         network->driver->remove(network);
 806                 return err;
 807         }
 808
 809         return 0;
 810 }
 811
 812 static void network_remove(struct connman_element *element)
 813 {
 814         struct connman_network *network = element->network;
 815
 816         DBG("element %p name %s", element, element->name);
 817
 818         if (network == NULL)
 819                 return;
 820
 821         if (network->driver == NULL)
 822                 return;
 823
 824         unregister_interface(element);
 825
 826         if (network->driver->remove)
 827                 network->driver->remove(network);
 828 }
 829
 830 static struct connman_driver network_driver = {
 831         .name           = "network",
 832         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
 833         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
 834         .probe          = network_probe,
 835         .remove         = network_remove,
 836 };
 837
 838 static int network_load(struct connman_network *network)
 839 {
 840         GKeyFile *keyfile;
 841         gchar *pathname, *data = NULL;
 842         gsize length;
 843         const char *name;
 844
 845         DBG("network %p", network);
 846
 847         name = connman_device_get_name(network->device);
 848         if (name == NULL)
 849                 return -EINVAL;
 850
 851         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
 852         if (pathname == NULL)
 853                 return -ENOMEM;
 854
 855         keyfile = g_key_file_new();
 856
 857         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
 858                 g_free(pathname);
 859                 return -ENOENT;
 860         }
 861
 862         g_free(pathname);
 863
 864         if (g_key_file_load_from_data(keyfile, data, length,
 865                                                         0, NULL) == FALSE) {
 866                 g_free(data);
 867                 return -EILSEQ;
 868         }
 869
 870         g_free(data);
 871
 872         network->remember = g_key_file_get_boolean(keyfile,
 873                                         network->identifier, "Remember", NULL);
 874
 875         g_free(network->wifi.security);
 876         network->wifi.security = g_key_file_get_string(keyfile,
 877                                 network->identifier, "WiFi.Security", NULL);
 878
 879         g_free(network->wifi.passphrase);
 880         network->wifi.passphrase = g_key_file_get_string(keyfile,
 881                                 network->identifier, "WiFi.Passphrase", NULL);
 882
 883         g_key_file_free(keyfile);
 884
 885         return 0;
 886 }
 887
 888 static int network_save(struct connman_network *network)
 889 {
 890         GKeyFile *keyfile;
 891         gchar *pathname, *data = NULL;
 892         gsize length;
 893         const char *name;
 894
 895         DBG("network %p", network);
 896
 897         name = connman_device_get_name(network->device);
 898         if (name == NULL)
 899                 return -EINVAL;
 900
 901         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
 902         if (pathname == NULL)
 903                 return -ENOMEM;
 904
 905         keyfile = g_key_file_new();
 906
 907         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 908                 goto update;
 909
 910         if (length > 0) {
 911                 if (g_key_file_load_from_data(keyfile, data, length,
 912                                                         0, NULL) == FALSE)
 913                         goto done;
 914         }
 915
 916         g_free(data);
 917
 918 update:
 919         g_key_file_set_boolean(keyfile, network->identifier,
 920                                         "Remember", network->remember);
 921
 922         if (network->wifi.security != NULL)
 923                 g_key_file_set_string(keyfile, network->identifier,
 924                                 "WiFi.Security", network->wifi.security);
 925
 926         if (network->wifi.passphrase != NULL)
 927                 g_key_file_set_string(keyfile, network->identifier,
 928                                 "WiFi.Passphrase", network->wifi.passphrase);
 929
 930         data = g_key_file_to_data(keyfile, &length, NULL);
 931
 932         g_file_set_contents(pathname, data, length, NULL);
 933
 934 done:
 935         g_free(data);
 936
 937         g_key_file_free(keyfile);
 938
 939         g_free(pathname);
 940
 941         return 0;
 942 }
 943
 944 static struct connman_storage network_storage = {
 945         .name           = "network",
 946         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
 947         .network_load   = network_load,
 948         .network_save   = network_save,
 949 };
 950
 951 int __connman_network_init(void)
 952 {
 953         DBG("");
 954
 955         connection = connman_dbus_get_connection();
 956
 957         if (connman_storage_register(&network_storage) < 0)
 958                 connman_error("Failed to register network storage");
 959
 960         return connman_driver_register(&network_driver);
 961 }
 962
 963 void __connman_network_cleanup(void)
 964 {
 965         DBG("");
 966
 967         connman_driver_unregister(&network_driver);
 968
 969         connman_storage_unregister(&network_storage);
 970
 971         dbus_connection_unref(connection);
 972 }