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         if (__connman_security_check_privilege(msg,
  87                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  88                 return __connman_error_permission_denied(msg);
  89
  90         reply = dbus_message_new_method_return(msg);
  91         if (reply == NULL)
  92                 return NULL;
  93
  94         dbus_message_iter_init_append(reply, &array);
  95
  96         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
  97                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
  98                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
  99                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 100
 101         if (network->device) {
 102                 const char *path = connman_device_get_path(network->device);
 103                 if (path != NULL)
 104                         connman_dbus_dict_append_variant(&dict, "Device",
 105                                                 DBUS_TYPE_OBJECT_PATH, &path);
 106         }
 107
 108         if (network->name != NULL)
 109                 connman_dbus_dict_append_variant(&dict, "Name",
 110                                         DBUS_TYPE_STRING, &network->name);
 111
 112         connman_dbus_dict_append_variant(&dict, "Connected",
 113                                 DBUS_TYPE_BOOLEAN, &network->connected);
 114
 115         connman_dbus_dict_append_variant(&dict, "Remember",
 116                                 DBUS_TYPE_BOOLEAN, &network->remember);
 117
 118         if (network->strength > 0)
 119                 connman_dbus_dict_append_variant(&dict, "Strength",
 120                                         DBUS_TYPE_BYTE, &network->strength);
 121
 122         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 123                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 124                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 125                                                 network->wifi.ssid_len);
 126
 127         if (network->wifi.mode != NULL)
 128                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 129                                 DBUS_TYPE_STRING, &network->wifi.mode);
 130
 131         if (network->wifi.security != NULL)
 132                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 133                                 DBUS_TYPE_STRING, &network->wifi.security);
 134
 135         if (network->wifi.passphrase != NULL &&
 136                         __connman_security_check_privilege(msg,
 137                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 138                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 139                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 140
 141         dbus_message_iter_close_container(&array, &dict);
 142
 143         return reply;
 144 }
 145
 146 static DBusMessage *set_property(DBusConnection *conn,
 147                                         DBusMessage *msg, void *data)
 148 {
 149         struct connman_network *network = data;
 150         DBusMessageIter iter, value;
 151         const char *name;
 152
 153         DBG("conn %p", conn);
 154
 155         if (dbus_message_iter_init(msg, &iter) == FALSE)
 156                 return __connman_error_invalid_arguments(msg);
 157
 158         dbus_message_iter_get_basic(&iter, &name);
 159         dbus_message_iter_next(&iter);
 160         dbus_message_iter_recurse(&iter, &value);
 161
 162         if (__connman_security_check_privilege(msg,
 163                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 164                 return __connman_error_permission_denied(msg);
 165
 166         if (g_str_equal(name, "Remember") == TRUE) {
 167                 connman_bool_t remember;
 168
 169                 dbus_message_iter_get_basic(&value, &remember);
 170
 171                 if (network->remember == remember)
 172                         return __connman_error_invalid_arguments(msg);
 173         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 174                 const char *passphrase;
 175
 176                 if (__connman_security_check_privilege(msg,
 177                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 178                         return __connman_error_permission_denied(msg);
 179
 180                 dbus_message_iter_get_basic(&value, &passphrase);
 181
 182                 g_free(network->wifi.passphrase);
 183                 network->wifi.passphrase = g_strdup(passphrase);
 184         }
 185
 186         __connman_storage_save_network(network);
 187
 188         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 189 }
 190
 191 static DBusMessage *do_connect(DBusConnection *conn,
 192                                         DBusMessage *msg, void *data)
 193 {
 194         struct connman_network *network = data;
 195         int err;
 196
 197         DBG("conn %p", conn);
 198
 199         if (__connman_security_check_privilege(msg,
 200                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 201                 return __connman_error_permission_denied(msg);
 202
 203         if (network->connected == TRUE)
 204                 return __connman_error_failed(msg);
 205
 206         if (network->driver && network->driver->connect) {
 207                 err = network->driver->connect(network);
 208                 if (err < 0 && err != -EINPROGRESS)
 209                         return __connman_error_failed(msg);
 210         } else
 211                 network->connected = TRUE;
 212
 213         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 214 }
 215
 216 static DBusMessage *do_disconnect(DBusConnection *conn,
 217                                         DBusMessage *msg, void *data)
 218 {
 219         struct connman_network *network = data;
 220         int err;
 221
 222         DBG("conn %p", conn);
 223
 224         if (__connman_security_check_privilege(msg,
 225                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 226                 return __connman_error_permission_denied(msg);
 227
 228         if (network->connected == FALSE)
 229                 return __connman_error_failed(msg);
 230
 231         connman_element_unregister_children(&network->element);
 232
 233         if (network->driver && network->driver->disconnect) {
 234                 err = network->driver->disconnect(network);
 235                 if (err < 0 && err != -EINPROGRESS)
 236                         return __connman_error_failed(msg);
 237         } else
 238                 network->connected = FALSE;
 239
 240         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 241 }
 242
 243 static GDBusMethodTable network_methods[] = {
 244         { "GetProperties", "",   "a{sv}", get_properties },
 245         { "SetProperty",   "sv", "",      set_property   },
 246         { "Connect",       "",   "",      do_connect     },
 247         { "Disconnect",    "",   "",      do_disconnect  },
 248         { },
 249 };
 250
 251 static GDBusSignalTable network_signals[] = {
 252         { "PropertyChanged", "sv" },
 253         { },
 254 };
 255
 256 static DBusConnection *connection;
 257
 258 static void append_networks(struct connman_device *device,
 259                                                 DBusMessageIter *entry)
 260 {
 261         DBusMessageIter value, iter;
 262         const char *key = "Networks";
 263
 264         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 265
 266         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 267                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 268                                                                 &value);
 269
 270         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 271                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 272         __connman_element_list((struct connman_element *) device,
 273                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 274         dbus_message_iter_close_container(&value, &iter);
 275
 276         dbus_message_iter_close_container(entry, &value);
 277 }
 278
 279 static void emit_networks_signal(struct connman_device *device)
 280 {
 281         DBusMessage *signal;
 282         DBusMessageIter entry;
 283
 284         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
 285                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
 286         if (signal == NULL)
 287                 return;
 288
 289         dbus_message_iter_init_append(signal, &entry);
 290
 291         append_networks(device, &entry);
 292
 293         g_dbus_send_message(connection, signal);
 294 }
 295
 296 static int register_interface(struct connman_element *element)
 297 {
 298         struct connman_network *network = element->network;
 299
 300         DBG("element %p name %s", element, element->name);
 301
 302         if (g_dbus_register_interface(connection, element->path,
 303                                         CONNMAN_NETWORK_INTERFACE,
 304                                         network_methods, network_signals,
 305                                         NULL, network, NULL) == FALSE) {
 306                 connman_error("Failed to register %s network", element->path);
 307                 return -EIO;
 308         }
 309
 310         network->registered = TRUE;
 311
 312         emit_networks_signal(network->device);
 313
 314         return 0;
 315 }
 316
 317 static void unregister_interface(struct connman_element *element)
 318 {
 319         struct connman_network * network = element->network;
 320
 321         DBG("element %p name %s", element, element->name);
 322
 323         network->registered = FALSE;
 324
 325         emit_networks_signal(network->device);
 326
 327         g_dbus_unregister_interface(connection, element->path,
 328                                                 CONNMAN_NETWORK_INTERFACE);
 329 }
 330
 331 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 332 {
 333         if (network == NULL || network->driver == NULL)
 334                 return FALSE;
 335
 336         return network->registered;
 337 }
 338
 339 static GSList *driver_list = NULL;
 340
 341 static gint compare_priority(gconstpointer a, gconstpointer b)
 342 {
 343         const struct connman_network_driver *driver1 = a;
 344         const struct connman_network_driver *driver2 = b;
 345
 346         return driver2->priority - driver1->priority;
 347 }
 348
 349 /**
 350  * connman_network_driver_register:
 351  * @driver: network driver definition
 352  *
 353  * Register a new network driver
 354  *
 355  * Returns: %0 on success
 356  */
 357 int connman_network_driver_register(struct connman_network_driver *driver)
 358 {
 359         DBG("driver %p name %s", driver, driver->name);
 360
 361         driver_list = g_slist_insert_sorted(driver_list, driver,
 362                                                         compare_priority);
 363
 364         return 0;
 365 }
 366
 367 /**
 368  * connman_network_driver_unregister:
 369  * @driver: network driver definition
 370  *
 371  * Remove a previously registered network driver
 372  */
 373 void connman_network_driver_unregister(struct connman_network_driver *driver)
 374 {
 375         DBG("driver %p name %s", driver, driver->name);
 376
 377         driver_list = g_slist_remove(driver_list, driver);
 378 }
 379
 380 static void network_destruct(struct connman_element *element)
 381 {
 382         struct connman_network *network = element->network;
 383
 384         DBG("element %p name %s", element, element->name);
 385
 386         g_free(network->wifi.ssid);
 387         g_free(network->wifi.mode);
 388         g_free(network->wifi.security);
 389         g_free(network->wifi.passphrase);
 390
 391         g_free(network->node);
 392         g_free(network->name);
 393         g_free(network->identifier);
 394 }
 395
 396 /**
 397  * connman_network_create:
 398  * @identifier: network identifier (for example an unqiue name)
 399  *
 400  * Allocate a new network and assign the #identifier to it.
 401  *
 402  * Returns: a newly-allocated #connman_network structure
 403  */
 404 struct connman_network *connman_network_create(const char *identifier,
 405                                                 enum connman_network_type type)
 406 {
 407         struct connman_network *network;
 408         connman_uint8_t strength = 0;
 409         const char *str;
 410
 411         DBG("identifier %s type %d", identifier, type);
 412
 413         network = g_try_new0(struct connman_network, 1);
 414         if (network == NULL)
 415                 return NULL;
 416
 417         DBG("network %p", network);
 418
 419         network->element.refcount = 1;
 420
 421         network->element.name = g_strdup(identifier);
 422         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 423         network->element.index = -1;
 424
 425         network->element.network = network;
 426         network->element.destruct = network_destruct;
 427
 428         str = type2string(type);
 429         if (str != NULL)
 430                 connman_element_add_static_property(&network->element,
 431                                         "Type", DBUS_TYPE_STRING, &str);
 432
 433         connman_element_add_static_property(&network->element,
 434                                         "Strength", DBUS_TYPE_BYTE, &strength);
 435
 436         network->type = type;
 437         network->identifier = g_strdup(identifier);
 438
 439         return network;
 440 }
 441
 442 /**
 443  * connman_network_ref:
 444  * @network: network structure
 445  *
 446  * Increase reference counter of  network
 447  */
 448 struct connman_network *connman_network_ref(struct connman_network *network)
 449 {
 450         if (connman_element_ref(&network->element) == NULL)
 451                 return NULL;
 452
 453         return network;
 454 }
 455
 456 /**
 457  * connman_network_unref:
 458  * @network: network structure
 459  *
 460  * Decrease reference counter of network
 461  */
 462 void connman_network_unref(struct connman_network *network)
 463 {
 464         connman_element_unref(&network->element);
 465 }
 466
 467 /**
 468  * connman_network_get_identifier:
 469  * @network: network structure
 470  *
 471  * Get identifier of network
 472  */
 473 const char *connman_network_get_identifier(struct connman_network *network)
 474 {
 475         return network->identifier;
 476 }
 477
 478 /**
 479  * connman_network_get_path:
 480  * @network: network structure
 481  *
 482  * Get path name of network
 483  */
 484 const char *connman_network_get_path(struct connman_network *network)
 485 {
 486         return network->element.path;
 487 }
 488
 489 /**
 490  * connman_network_set_index:
 491  * @network: network structure
 492  * @index: index number
 493  *
 494  * Set index number of network
 495  */
 496 void connman_network_set_index(struct connman_network *network, int index)
 497 {
 498         network->element.index = index;
 499 }
 500
 501 /**
 502  * connman_network_get_index:
 503  * @network: network structure
 504  *
 505  * Get index number of network
 506  */
 507 int connman_network_get_index(struct connman_network *network)
 508 {
 509         return network->element.index;
 510 }
 511
 512 /**
 513  * connman_network_set_protocol:
 514  * @network: network structure
 515  * @protocol: network protocol
 516  *
 517  * Change protocol of network
 518  */
 519 void connman_network_set_protocol(struct connman_network *network,
 520                                         enum connman_network_protocol protocol)
 521 {
 522         network->protocol = protocol;
 523 }
 524
 525 /**
 526  * connman_network_set_connected:
 527  * @network: network structure
 528  * @connected: connected state
 529  *
 530  * Change connected state of network
 531  */
 532 int connman_network_set_connected(struct connman_network *network,
 533                                                 connman_bool_t connected)
 534 {
 535         DBusMessage *signal;
 536         DBusMessageIter entry, value;
 537         const char *key = "Connected";
 538
 539         DBG("network %p connected %d", network, connected);
 540
 541         if (network->connected == connected)
 542                 return -EALREADY;
 543
 544         network->connected = connected;
 545
 546         signal = dbus_message_new_signal(network->element.path,
 547                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 548         if (signal == NULL)
 549                 return 0;
 550
 551         dbus_message_iter_init_append(signal, &entry);
 552
 553         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 554
 555         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 556                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 557         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 558         dbus_message_iter_close_container(&entry, &value);
 559
 560         g_dbus_send_message(connection, signal);
 561
 562         if (connected == TRUE) {
 563                 struct connman_element *element;
 564                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 565
 566                 switch (network->protocol) {
 567                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 568                         return 0;
 569                 case CONNMAN_NETWORK_PROTOCOL_IP:
 570                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 571                         break;
 572                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 573                         type = CONNMAN_ELEMENT_TYPE_PPP;
 574                         break;
 575                 }
 576
 577                 __connman_device_increase_connections(network->device);
 578
 579                 element = connman_element_create(NULL);
 580                 if (element != NULL) {
 581                         element->type  = type;
 582                         element->index = network->element.index;
 583
 584                         if (connman_element_register(element,
 585                                                 &network->element) < 0)
 586                                 connman_element_unref(element);
 587                 }
 588         } else {
 589                 connman_element_unregister_children(&network->element);
 590
 591                 __connman_device_decrease_connections(network->device);
 592         }
 593
 594         return 0;
 595 }
 596
 597 /**
 598  * connman_network_get_remember:
 599  * @network: network structure
 600  *
 601  * Get network remember setting
 602  */
 603 connman_bool_t connman_network_get_remember(struct connman_network *network)
 604 {
 605         return network->remember;
 606 }
 607
 608 /**
 609  * connman_network_connect:
 610  * @network: network structure
 611  *
 612  * Connect network
 613  */
 614 int connman_network_connect(struct connman_network *network)
 615 {
 616         if (network->connected == TRUE)
 617                 return -EALREADY;
 618
 619         if (network->driver && network->driver->connect)
 620                 return network->driver->connect(network);
 621
 622         network->connected = TRUE;
 623
 624         return 0;
 625 }
 626
 627 /**
 628  * connman_network_set_string:
 629  * @network: network structure
 630  * @key: unique identifier
 631  * @value: string value
 632  *
 633  * Set string value for specific key
 634  */
 635 int connman_network_set_string(struct connman_network *network,
 636                                         const char *key, const char *value)
 637 {
 638         DBG("network %p key %s value %s", network, key, value);
 639
 640         if (g_str_equal(key, "Name") == TRUE) {
 641                 g_free(network->name);
 642                 network->name = g_strdup(value);
 643         } else if (g_str_equal(key, "Node") == TRUE) {
 644                 g_free(network->node);
 645                 network->node = g_strdup(value);
 646         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 647                 g_free(network->wifi.mode);
 648                 network->wifi.mode = g_strdup(value);
 649         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 650                 g_free(network->wifi.security);
 651                 network->wifi.security = g_strdup(value);
 652         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 653                 g_free(network->wifi.passphrase);
 654                 network->wifi.passphrase = g_strdup(value);
 655         }
 656
 657         return 0;
 658 }
 659
 660 /**
 661  * connman_network_get_string:
 662  * @network: network structure
 663  * @key: unique identifier
 664  *
 665  * Get string value for specific key
 666  */
 667 const char *connman_network_get_string(struct connman_network *network,
 668                                                         const char *key)
 669 {
 670         DBG("network %p key %s", network, key);
 671
 672         if (g_str_equal(key, "Name") == TRUE)
 673                 return network->name;
 674         else if (g_str_equal(key, "Node") == TRUE)
 675                 return network->node;
 676         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 677                 return network->wifi.mode;
 678         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 679                 return network->wifi.security;
 680         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 681                 return network->wifi.passphrase;
 682
 683         return NULL;
 684 }
 685
 686 /**
 687  * connman_network_set_uint8:
 688  * @network: network structure
 689  * @key: unique identifier
 690  * @value: integer value
 691  *
 692  * Set integer value for specific key
 693  */
 694 int connman_network_set_uint8(struct connman_network *network,
 695                                         const char *key, connman_uint8_t value)
 696 {
 697         DBG("network %p key %s value %d", network, key, value);
 698
 699         if (g_str_equal(key, "Strength") == TRUE) {
 700                 network->strength = value;
 701                 connman_element_set_static_property(&network->element,
 702                                         "Strength", DBUS_TYPE_BYTE, &value);
 703         }
 704
 705         return 0;
 706 }
 707
 708 /**
 709  * connman_network_set_blob:
 710  * @network: network structure
 711  * @key: unique identifier
 712  * @data: blob data
 713  * @size: blob size
 714  *
 715  * Set binary blob value for specific key
 716  */
 717 int connman_network_set_blob(struct connman_network *network,
 718                         const char *key, const void *data, unsigned int size)
 719 {
 720         DBG("network %p key %s size %d", network, key, size);
 721
 722         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 723                 g_free(network->wifi.ssid);
 724                 network->wifi.ssid = g_try_malloc(size);
 725                 if (network->wifi.ssid != NULL) {
 726                         memcpy(network->wifi.ssid, data, size);
 727                         network->wifi.ssid_len = size;
 728                 } else
 729                         network->wifi.ssid_len = 0;
 730         }
 731
 732         return 0;
 733 }
 734
 735 /**
 736  * connman_network_get_blob:
 737  * @network: network structure
 738  * @key: unique identifier
 739  * @size: pointer to blob size
 740  *
 741  * Get binary blob value for specific key
 742  */
 743 const void *connman_network_get_blob(struct connman_network *network,
 744                                         const char *key, unsigned int *size)
 745 {
 746         DBG("network %p key %s", network, key);
 747
 748         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 749                 if (size != NULL)
 750                         *size = network->wifi.ssid_len;
 751                 return network->wifi.ssid;
 752         }
 753
 754         return NULL;
 755 }
 756
 757 void __connman_network_set_device(struct connman_network *network,
 758                                         struct connman_device *device)
 759 {
 760         network->device = device;
 761 }
 762
 763 /**
 764  * connman_network_get_device:
 765  * @network: network structure
 766  *
 767  * Get parent device of network
 768  */
 769 struct connman_device *connman_network_get_device(struct connman_network *network)
 770 {
 771         return network->device;
 772 }
 773
 774 /**
 775  * connman_network_get_data:
 776  * @network: network structure
 777  *
 778  * Get private network data pointer
 779  */
 780 void *connman_network_get_data(struct connman_network *network)
 781 {
 782         return network->driver_data;
 783 }
 784
 785 /**
 786  * connman_network_set_data:
 787  * @network: network structure
 788  * @data: data pointer
 789  *
 790  * Set private network data pointer
 791  */
 792 void connman_network_set_data(struct connman_network *network, void *data)
 793 {
 794         network->driver_data = data;
 795 }
 796
 797 static gboolean match_driver(struct connman_network *network,
 798                                         struct connman_network_driver *driver)
 799 {
 800         if (network->type == driver->type ||
 801                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
 802                 return TRUE;
 803
 804         return FALSE;
 805 }
 806
 807 static int network_probe(struct connman_element *element)
 808 {
 809         struct connman_network *network = element->network;
 810         GSList *list;
 811         int err;
 812
 813         DBG("element %p name %s", element, element->name);
 814
 815         if (network == NULL)
 816                 return -ENODEV;
 817
 818         for (list = driver_list; list; list = list->next) {
 819                 struct connman_network_driver *driver = list->data;
 820
 821                 if (match_driver(network, driver) == FALSE)
 822                         continue;
 823
 824                 DBG("driver %p name %s", driver, driver->name);
 825
 826                 if (driver->probe(network) == 0) {
 827                         network->driver = driver;
 828                         break;
 829                 }
 830         }
 831
 832         if (network->driver == NULL)
 833                 return -ENODEV;
 834
 835         err = register_interface(element);
 836         if (err < 0) {
 837                 if (network->driver->remove)
 838                         network->driver->remove(network);
 839                 return err;
 840         }
 841
 842         return 0;
 843 }
 844
 845 static void network_remove(struct connman_element *element)
 846 {
 847         struct connman_network *network = element->network;
 848
 849         DBG("element %p name %s", element, element->name);
 850
 851         if (network == NULL)
 852                 return;
 853
 854         if (network->driver == NULL)
 855                 return;
 856
 857         unregister_interface(element);
 858
 859         if (network->driver->remove)
 860                 network->driver->remove(network);
 861 }
 862
 863 static struct connman_driver network_driver = {
 864         .name           = "network",
 865         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
 866         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
 867         .probe          = network_probe,
 868         .remove         = network_remove,
 869 };
 870
 871 static int network_load(struct connman_network *network)
 872 {
 873         GKeyFile *keyfile;
 874         gchar *pathname, *data = NULL;
 875         gsize length;
 876         const char *name;
 877
 878         DBG("network %p", network);
 879
 880         name = connman_device_get_name(network->device);
 881         if (name == NULL)
 882                 return -EINVAL;
 883
 884         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
 885         if (pathname == NULL)
 886                 return -ENOMEM;
 887
 888         keyfile = g_key_file_new();
 889
 890         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
 891                 g_free(pathname);
 892                 return -ENOENT;
 893         }
 894
 895         g_free(pathname);
 896
 897         if (g_key_file_load_from_data(keyfile, data, length,
 898                                                         0, NULL) == FALSE) {
 899                 g_free(data);
 900                 return -EILSEQ;
 901         }
 902
 903         g_free(data);
 904
 905         network->remember = g_key_file_get_boolean(keyfile,
 906                                         network->identifier, "Remember", NULL);
 907
 908         g_free(network->wifi.security);
 909         network->wifi.security = g_key_file_get_string(keyfile,
 910                                 network->identifier, "WiFi.Security", NULL);
 911
 912         g_free(network->wifi.passphrase);
 913         network->wifi.passphrase = g_key_file_get_string(keyfile,
 914                                 network->identifier, "WiFi.Passphrase", NULL);
 915
 916         g_key_file_free(keyfile);
 917
 918         return 0;
 919 }
 920
 921 static int network_save(struct connman_network *network)
 922 {
 923         GKeyFile *keyfile;
 924         gchar *pathname, *data = NULL;
 925         gsize length;
 926         const char *name;
 927
 928         DBG("network %p", network);
 929
 930         name = connman_device_get_name(network->device);
 931         if (name == NULL)
 932                 return -EINVAL;
 933
 934         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
 935         if (pathname == NULL)
 936                 return -ENOMEM;
 937
 938         keyfile = g_key_file_new();
 939
 940         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
 941                 goto update;
 942
 943         if (length > 0) {
 944                 if (g_key_file_load_from_data(keyfile, data, length,
 945                                                         0, NULL) == FALSE)
 946                         goto done;
 947         }
 948
 949         g_free(data);
 950
 951 update:
 952         g_key_file_set_boolean(keyfile, network->identifier,
 953                                         "Remember", network->remember);
 954
 955         if (network->wifi.security != NULL)
 956                 g_key_file_set_string(keyfile, network->identifier,
 957                                 "WiFi.Security", network->wifi.security);
 958
 959         if (network->wifi.passphrase != NULL)
 960                 g_key_file_set_string(keyfile, network->identifier,
 961                                 "WiFi.Passphrase", network->wifi.passphrase);
 962
 963         data = g_key_file_to_data(keyfile, &length, NULL);
 964
 965         g_file_set_contents(pathname, data, length, NULL);
 966
 967 done:
 968         g_free(data);
 969
 970         g_key_file_free(keyfile);
 971
 972         g_free(pathname);
 973
 974         return 0;
 975 }
 976
 977 static struct connman_storage network_storage = {
 978         .name           = "network",
 979         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
 980         .network_load   = network_load,
 981         .network_save   = network_save,
 982 };
 983
 984 int __connman_network_init(void)
 985 {
 986         DBG("");
 987
 988         connection = connman_dbus_get_connection();
 989
 990         if (connman_storage_register(&network_storage) < 0)
 991                 connman_error("Failed to register network storage");
 992
 993         return connman_driver_register(&network_driver);
 994 }
 995
 996 void __connman_network_cleanup(void)
 997 {
 998         DBG("");
 999
1000         connman_driver_unregister(&network_driver);
1001
1002         connman_storage_unregister(&network_storage);
1003
1004         dbus_connection_unref(connection);
1005 }