git.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 available;
  37         connman_bool_t connected;
  38         connman_bool_t remember;
  39         connman_uint8_t priority;
  40         connman_uint8_t strength;
  41         char *identifier;
  42         char *name;
  43         char *node;
  44
  45         struct connman_network_driver *driver;
  46         void *driver_data;
  47
  48         connman_bool_t registered;
  49
  50         struct connman_device *device;
  51
  52         struct {
  53                 void *ssid;
  54                 int ssid_len;
  55                 char *mode;
  56                 char *security;
  57                 char *passphrase;
  58         } wifi;
  59 };
  60
  61 static const char *type2string(enum connman_network_type type)
  62 {
  63         switch (type) {
  64         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  65         case CONNMAN_NETWORK_TYPE_VENDOR:
  66                 break;
  67         case CONNMAN_NETWORK_TYPE_WIFI:
  68                 return "wifi";
  69         case CONNMAN_NETWORK_TYPE_WIMAX:
  70                 return "wimax";
  71         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  72         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  73                 return "bluetooth";
  74         case CONNMAN_NETWORK_TYPE_HSO:
  75                 return "cellular";
  76         }
  77
  78         return NULL;
  79 }
  80
  81 static DBusMessage *get_properties(DBusConnection *conn,
  82                                         DBusMessage *msg, void *data)
  83 {
  84         struct connman_network *network = data;
  85         DBusMessage *reply;
  86         DBusMessageIter array, dict;
  87
  88         DBG("conn %p", conn);
  89
  90         if (__connman_security_check_privilege(msg,
  91                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  92                 return __connman_error_permission_denied(msg);
  93
  94         reply = dbus_message_new_method_return(msg);
  95         if (reply == NULL)
  96                 return NULL;
  97
  98         dbus_message_iter_init_append(reply, &array);
  99
 100         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 101                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 102                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 103                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 104
 105         if (network->device) {
 106                 const char *path = connman_device_get_path(network->device);
 107                 if (path != NULL)
 108                         connman_dbus_dict_append_variant(&dict, "Device",
 109                                                 DBUS_TYPE_OBJECT_PATH, &path);
 110         }
 111
 112         if (network->name != NULL)
 113                 connman_dbus_dict_append_variant(&dict, "Name",
 114                                         DBUS_TYPE_STRING, &network->name);
 115
 116         connman_dbus_dict_append_variant(&dict, "Available",
 117                                 DBUS_TYPE_BOOLEAN, &network->available);
 118
 119         connman_dbus_dict_append_variant(&dict, "Connected",
 120                                 DBUS_TYPE_BOOLEAN, &network->connected);
 121
 122         connman_dbus_dict_append_variant(&dict, "Remember",
 123                                 DBUS_TYPE_BOOLEAN, &network->remember);
 124
 125         if (network->priority > 0)
 126                 connman_dbus_dict_append_variant(&dict, "Priority",
 127                                         DBUS_TYPE_BYTE, &network->priority);
 128
 129         if (network->strength > 0)
 130                 connman_dbus_dict_append_variant(&dict, "Strength",
 131                                         DBUS_TYPE_BYTE, &network->strength);
 132
 133         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 134                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 135                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 136                                                 network->wifi.ssid_len);
 137
 138         if (network->wifi.mode != NULL)
 139                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 140                                 DBUS_TYPE_STRING, &network->wifi.mode);
 141
 142         if (network->wifi.security != NULL)
 143                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 144                                 DBUS_TYPE_STRING, &network->wifi.security);
 145
 146         if (network->wifi.passphrase != NULL &&
 147                         __connman_security_check_privilege(msg,
 148                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 150                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 151
 152         dbus_message_iter_close_container(&array, &dict);
 153
 154         return reply;
 155 }
 156
 157 static DBusMessage *set_property(DBusConnection *conn,
 158                                         DBusMessage *msg, void *data)
 159 {
 160         struct connman_network *network = data;
 161         DBusMessageIter iter, value;
 162         const char *name;
 163         int type;
 164
 165         DBG("conn %p", conn);
 166
 167         if (dbus_message_iter_init(msg, &iter) == FALSE)
 168                 return __connman_error_invalid_arguments(msg);
 169
 170         dbus_message_iter_get_basic(&iter, &name);
 171         dbus_message_iter_next(&iter);
 172         dbus_message_iter_recurse(&iter, &value);
 173
 174         if (__connman_security_check_privilege(msg,
 175                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 176                 return __connman_error_permission_denied(msg);
 177
 178         type = dbus_message_iter_get_arg_type(&value);
 179
 180         if (g_str_equal(name, "Remember") == TRUE) {
 181                 connman_bool_t remember;
 182
 183                 if (type != DBUS_TYPE_BOOLEAN)
 184                         return __connman_error_invalid_arguments(msg);
 185
 186                 dbus_message_iter_get_basic(&value, &remember);
 187
 188                 if (network->remember == remember)
 189                         return __connman_error_invalid_arguments(msg);
 190
 191                 network->remember = remember;
 192         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 193                 const char *passphrase;
 194
 195                 if (type != DBUS_TYPE_STRING)
 196                         return __connman_error_invalid_arguments(msg);
 197
 198                 if (__connman_security_check_privilege(msg,
 199                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 200                         return __connman_error_permission_denied(msg);
 201
 202                 dbus_message_iter_get_basic(&value, &passphrase);
 203
 204                 g_free(network->wifi.passphrase);
 205                 network->wifi.passphrase = g_strdup(passphrase);
 206         } else if (g_str_equal(name, "Priority") == TRUE) {
 207                 connman_uint8_t priority;
 208
 209                 if (type != DBUS_TYPE_BYTE)
 210                         return __connman_error_invalid_arguments(msg);
 211
 212                 dbus_message_iter_get_basic(&value, &priority);
 213
 214                 network->priority = priority;
 215         }
 216
 217         __connman_storage_save_network(network);
 218
 219         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 220 }
 221
 222 static DBusMessage *do_connect(DBusConnection *conn,
 223                                         DBusMessage *msg, void *data)
 224 {
 225         struct connman_network *network = data;
 226         int err;
 227
 228         DBG("conn %p", conn);
 229
 230         if (__connman_security_check_privilege(msg,
 231                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 232                 return __connman_error_permission_denied(msg);
 233
 234         if (network->connected == TRUE)
 235                 return __connman_error_failed(msg);
 236
 237         if (network->driver && network->driver->connect) {
 238                 enum connman_device_mode mode;
 239
 240                 mode = connman_device_get_mode(network->device);
 241                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 242                         __connman_device_disconnect(network->device);
 243
 244                 err = network->driver->connect(network);
 245                 if (err < 0 && err != -EINPROGRESS)
 246                         return __connman_error_failed(msg);
 247         } else
 248                 network->connected = TRUE;
 249
 250         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 251 }
 252
 253 static DBusMessage *do_disconnect(DBusConnection *conn,
 254                                         DBusMessage *msg, void *data)
 255 {
 256         struct connman_network *network = data;
 257         int err;
 258
 259         DBG("conn %p", conn);
 260
 261         if (__connman_security_check_privilege(msg,
 262                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 263                 return __connman_error_permission_denied(msg);
 264
 265         if (network->connected == FALSE)
 266                 return __connman_error_failed(msg);
 267
 268         connman_element_unregister_children(&network->element);
 269
 270         connman_device_set_disconnected(network->device, TRUE);
 271
 272         if (network->driver && network->driver->disconnect) {
 273                 err = network->driver->disconnect(network);
 274                 if (err < 0 && err != -EINPROGRESS)
 275                         return __connman_error_failed(msg);
 276         } else
 277                 network->connected = FALSE;
 278
 279         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 280 }
 281
 282 static GDBusMethodTable network_methods[] = {
 283         { "GetProperties", "",   "a{sv}", get_properties },
 284         { "SetProperty",   "sv", "",      set_property   },
 285         { "Connect",       "",   "",      do_connect     },
 286         { "Disconnect",    "",   "",      do_disconnect  },
 287         { },
 288 };
 289
 290 static GDBusSignalTable network_signals[] = {
 291         { "PropertyChanged", "sv" },
 292         { },
 293 };
 294
 295 static DBusConnection *connection;
 296
 297 static void append_networks(struct connman_device *device,
 298                                                 DBusMessageIter *entry)
 299 {
 300         DBusMessageIter value, iter;
 301         const char *key = "Networks";
 302
 303         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 304
 305         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 306                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 307                                                                 &value);
 308
 309         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 310                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 311         __connman_element_list((struct connman_element *) device,
 312                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 313         dbus_message_iter_close_container(&value, &iter);
 314
 315         dbus_message_iter_close_container(entry, &value);
 316 }
 317
 318 static void emit_networks_signal(struct connman_device *device)
 319 {
 320         const char *path = connman_device_get_path(device);
 321         DBusMessage *signal;
 322         DBusMessageIter entry;
 323
 324         signal = dbus_message_new_signal(path,
 325                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 326         if (signal == NULL)
 327                 return;
 328
 329         dbus_message_iter_init_append(signal, &entry);
 330
 331         append_networks(device, &entry);
 332
 333         g_dbus_send_message(connection, signal);
 334 }
 335
 336 static int register_interface(struct connman_element *element)
 337 {
 338         struct connman_network *network = element->network;
 339
 340         DBG("element %p name %s", element, element->name);
 341
 342         if (g_dbus_register_interface(connection, element->path,
 343                                         CONNMAN_NETWORK_INTERFACE,
 344                                         network_methods, network_signals,
 345                                         NULL, network, NULL) == FALSE) {
 346                 connman_error("Failed to register %s network", element->path);
 347                 return -EIO;
 348         }
 349
 350         network->registered = TRUE;
 351
 352         emit_networks_signal(network->device);
 353
 354         return 0;
 355 }
 356
 357 static void unregister_interface(struct connman_element *element)
 358 {
 359         struct connman_network * network = element->network;
 360
 361         DBG("element %p name %s", element, element->name);
 362
 363         network->registered = FALSE;
 364
 365         emit_networks_signal(network->device);
 366
 367         g_dbus_unregister_interface(connection, element->path,
 368                                                 CONNMAN_NETWORK_INTERFACE);
 369 }
 370
 371 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 372 {
 373         if (network == NULL || network->driver == NULL)
 374                 return FALSE;
 375
 376         return network->registered;
 377 }
 378
 379 static GSList *driver_list = NULL;
 380
 381 static gint compare_priority(gconstpointer a, gconstpointer b)
 382 {
 383         const struct connman_network_driver *driver1 = a;
 384         const struct connman_network_driver *driver2 = b;
 385
 386         return driver2->priority - driver1->priority;
 387 }
 388
 389 /**
 390  * connman_network_driver_register:
 391  * @driver: network driver definition
 392  *
 393  * Register a new network driver
 394  *
 395  * Returns: %0 on success
 396  */
 397 int connman_network_driver_register(struct connman_network_driver *driver)
 398 {
 399         DBG("driver %p name %s", driver, driver->name);
 400
 401         driver_list = g_slist_insert_sorted(driver_list, driver,
 402                                                         compare_priority);
 403
 404         return 0;
 405 }
 406
 407 /**
 408  * connman_network_driver_unregister:
 409  * @driver: network driver definition
 410  *
 411  * Remove a previously registered network driver
 412  */
 413 void connman_network_driver_unregister(struct connman_network_driver *driver)
 414 {
 415         DBG("driver %p name %s", driver, driver->name);
 416
 417         driver_list = g_slist_remove(driver_list, driver);
 418 }
 419
 420 static void network_destruct(struct connman_element *element)
 421 {
 422         struct connman_network *network = element->network;
 423
 424         DBG("element %p name %s", element, element->name);
 425
 426         g_free(network->wifi.ssid);
 427         g_free(network->wifi.mode);
 428         g_free(network->wifi.security);
 429         g_free(network->wifi.passphrase);
 430
 431         g_free(network->node);
 432         g_free(network->name);
 433         g_free(network->identifier);
 434 }
 435
 436 /**
 437  * connman_network_create:
 438  * @identifier: network identifier (for example an unqiue name)
 439  *
 440  * Allocate a new network and assign the #identifier to it.
 441  *
 442  * Returns: a newly-allocated #connman_network structure
 443  */
 444 struct connman_network *connman_network_create(const char *identifier,
 445                                                 enum connman_network_type type)
 446 {
 447         struct connman_network *network;
 448         connman_uint8_t strength = 0;
 449         const char *str;
 450         char *temp;
 451         unsigned int i;
 452
 453         DBG("identifier %s type %d", identifier, type);
 454
 455         network = g_try_new0(struct connman_network, 1);
 456         if (network == NULL)
 457                 return NULL;
 458
 459         DBG("network %p", network);
 460
 461         __connman_element_initialize(&network->element);
 462
 463         temp = g_strdup(identifier);
 464         if (temp == NULL) {
 465                 g_free(network);
 466                 return NULL;
 467         }
 468
 469         for (i = 0; i < strlen(temp); i++) {
 470                 char tmp = temp[i];
 471                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 472                                                 (tmp < 'a' || tmp > 'z'))
 473                         temp[i] = '_';
 474         }
 475
 476         network->element.name = temp;
 477         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 478
 479         network->element.network = network;
 480         network->element.destruct = network_destruct;
 481
 482         str = type2string(type);
 483         if (str != NULL)
 484                 connman_element_set_string(&network->element, "Type", str);
 485
 486         connman_element_set_uint8(&network->element, "Strength", strength);
 487
 488         network->type = type;
 489         network->identifier = g_strdup(identifier);
 490
 491         return network;
 492 }
 493
 494 /**
 495  * connman_network_ref:
 496  * @network: network structure
 497  *
 498  * Increase reference counter of  network
 499  */
 500 struct connman_network *connman_network_ref(struct connman_network *network)
 501 {
 502         if (connman_element_ref(&network->element) == NULL)
 503                 return NULL;
 504
 505         return network;
 506 }
 507
 508 /**
 509  * connman_network_unref:
 510  * @network: network structure
 511  *
 512  * Decrease reference counter of network
 513  */
 514 void connman_network_unref(struct connman_network *network)
 515 {
 516         connman_element_unref(&network->element);
 517 }
 518
 519 /**
 520  * connman_network_get_identifier:
 521  * @network: network structure
 522  *
 523  * Get identifier of network
 524  */
 525 const char *connman_network_get_identifier(struct connman_network *network)
 526 {
 527         return network->identifier;
 528 }
 529
 530 /**
 531  * connman_network_get_path:
 532  * @network: network structure
 533  *
 534  * Get path name of network
 535  */
 536 const char *connman_network_get_path(struct connman_network *network)
 537 {
 538         return network->element.path;
 539 }
 540
 541 /**
 542  * connman_network_set_index:
 543  * @network: network structure
 544  * @index: index number
 545  *
 546  * Set index number of network
 547  */
 548 void connman_network_set_index(struct connman_network *network, int index)
 549 {
 550         network->element.index = index;
 551 }
 552
 553 /**
 554  * connman_network_get_index:
 555  * @network: network structure
 556  *
 557  * Get index number of network
 558  */
 559 int connman_network_get_index(struct connman_network *network)
 560 {
 561         return network->element.index;
 562 }
 563
 564 /**
 565  * connman_network_set_protocol:
 566  * @network: network structure
 567  * @protocol: network protocol
 568  *
 569  * Change protocol of network
 570  */
 571 void connman_network_set_protocol(struct connman_network *network,
 572                                         enum connman_network_protocol protocol)
 573 {
 574         network->protocol = protocol;
 575 }
 576
 577 /**
 578  * connman_network_set_available:
 579  * @network: network structure
 580  * @available: availability state
 581  *
 582  * Change availability state of network (in range)
 583  */
 584 int connman_network_set_available(struct connman_network *network,
 585                                                 connman_bool_t available)
 586 {
 587         DBusMessage *signal;
 588         DBusMessageIter entry, value;
 589         const char *key = "Available";
 590
 591         DBG("network %p available %d", network, available);
 592
 593         if (network->available == available)
 594                 return -EALREADY;
 595
 596         network->available = available;
 597
 598         if (network->registered == FALSE)
 599                 return 0;
 600
 601         if (network->connected == TRUE)
 602                 return 0;
 603
 604         if (network->remember == FALSE)
 605                 return 0;
 606
 607         signal = dbus_message_new_signal(network->element.path,
 608                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 609         if (signal == NULL)
 610                 return 0;
 611
 612         dbus_message_iter_init_append(signal, &entry);
 613
 614         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 615
 616         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 617                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 618         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 619         dbus_message_iter_close_container(&entry, &value);
 620
 621         g_dbus_send_message(connection, signal);
 622
 623         return 0;
 624 }
 625
 626 /**
 627  * connman_network_get_available:
 628  * @network: network structure
 629  *
 630  * Get network available setting
 631  */
 632 connman_bool_t connman_network_get_available(struct connman_network *network)
 633 {
 634         return network->available;
 635 }
 636
 637 static gboolean set_connected(gpointer user_data)
 638 {
 639         struct connman_network *network = user_data;
 640
 641         if (network->connected == TRUE) {
 642                 struct connman_element *element;
 643                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 644
 645                 switch (network->protocol) {
 646                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 647                         return 0;
 648                 case CONNMAN_NETWORK_PROTOCOL_IP:
 649                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 650                         break;
 651                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 652                         type = CONNMAN_ELEMENT_TYPE_PPP;
 653                         break;
 654                 }
 655
 656                 __connman_device_increase_connections(network->device);
 657
 658                 __connman_device_set_network(network->device, network);
 659
 660                 connman_device_set_disconnected(network->device, FALSE);
 661
 662                 element = connman_element_create(NULL);
 663                 if (element != NULL) {
 664                         element->type  = type;
 665                         element->index = network->element.index;
 666
 667                         if (connman_element_register(element,
 668                                                 &network->element) < 0)
 669                                 connman_element_unref(element);
 670                 }
 671         } else {
 672                 connman_element_unregister_children(&network->element);
 673
 674                 __connman_device_set_network(network->device, NULL);
 675
 676                 __connman_device_decrease_connections(network->device);
 677         }
 678
 679         return FALSE;
 680 }
 681
 682 /**
 683  * connman_network_set_connected:
 684  * @network: network structure
 685  * @connected: connected state
 686  *
 687  * Change connected state of network
 688  */
 689 int connman_network_set_connected(struct connman_network *network,
 690                                                 connman_bool_t connected)
 691 {
 692         DBusMessage *signal;
 693         DBusMessageIter entry, value;
 694         const char *key = "Connected";
 695
 696         DBG("network %p connected %d", network, connected);
 697
 698         if (network->connected == connected)
 699                 return -EALREADY;
 700
 701         network->connected = connected;
 702
 703         if (network->registered == FALSE) {
 704                 g_idle_add(set_connected, network);
 705                 return 0;
 706         }
 707
 708         signal = dbus_message_new_signal(network->element.path,
 709                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 710         if (signal == NULL)
 711                 return 0;
 712
 713         dbus_message_iter_init_append(signal, &entry);
 714
 715         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 716
 717         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 718                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 719         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 720         dbus_message_iter_close_container(&entry, &value);
 721
 722         g_dbus_send_message(connection, signal);
 723
 724         set_connected(network);
 725
 726         return 0;
 727 }
 728
 729 /**
 730  * connman_network_get_connected:
 731  * @network: network structure
 732  *
 733  * Get network connection status
 734  */
 735 connman_bool_t connman_network_get_connected(struct connman_network *network)
 736 {
 737         return network->connected;
 738 }
 739
 740 /**
 741  * connman_network_set_remember:
 742  * @network: network structure
 743  * @remember: remember state
 744  *
 745  * Change remember state of network (known networks)
 746  */
 747 int connman_network_set_remember(struct connman_network *network,
 748                                                 connman_bool_t remember)
 749 {
 750         DBusMessage *signal;
 751         DBusMessageIter entry, value;
 752         const char *key = "Remember";
 753
 754         DBG("network %p remember %d", network, remember);
 755
 756         if (network->remember == remember)
 757                 return -EALREADY;
 758
 759         network->remember = remember;
 760
 761         if (network->registered == FALSE)
 762                 return 0;
 763
 764         signal = dbus_message_new_signal(network->element.path,
 765                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 766         if (signal == NULL)
 767                 return 0;
 768
 769         dbus_message_iter_init_append(signal, &entry);
 770
 771         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 772
 773         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 774                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 775         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 776         dbus_message_iter_close_container(&entry, &value);
 777
 778         g_dbus_send_message(connection, signal);
 779
 780         return 0;
 781 }
 782
 783 /**
 784  * connman_network_get_remember:
 785  * @network: network structure
 786  *
 787  * Get network remember setting
 788  */
 789 connman_bool_t connman_network_get_remember(struct connman_network *network)
 790 {
 791         return network->remember;
 792 }
 793
 794 /**
 795  * connman_network_connect:
 796  * @network: network structure
 797  *
 798  * Connect network
 799  */
 800 int connman_network_connect(struct connman_network *network)
 801 {
 802         if (network->connected == TRUE)
 803                 return -EALREADY;
 804
 805         if (network->driver && network->driver->connect)
 806                 return network->driver->connect(network);
 807
 808         network->connected = TRUE;
 809
 810         return 0;
 811 }
 812
 813 int __connman_network_disconnect(struct connman_network *network)
 814 {
 815         if (network->connected == FALSE)
 816                 return -ENOTCONN;
 817
 818         if (network->driver && network->driver->disconnect)
 819                 return network->driver->disconnect(network);
 820
 821         network->connected = FALSE;
 822
 823         return 0;
 824 }
 825
 826 /**
 827  * connman_network_set_string:
 828  * @network: network structure
 829  * @key: unique identifier
 830  * @value: string value
 831  *
 832  * Set string value for specific key
 833  */
 834 int connman_network_set_string(struct connman_network *network,
 835                                         const char *key, const char *value)
 836 {
 837         DBG("network %p key %s value %s", network, key, value);
 838
 839         if (g_str_equal(key, "Name") == TRUE) {
 840                 g_free(network->name);
 841                 network->name = g_strdup(value);
 842         } else if (g_str_equal(key, "Node") == TRUE) {
 843                 g_free(network->node);
 844                 network->node = g_strdup(value);
 845         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 846                 g_free(network->wifi.mode);
 847                 network->wifi.mode = g_strdup(value);
 848         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 849                 g_free(network->wifi.security);
 850                 network->wifi.security = g_strdup(value);
 851         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 852                 g_free(network->wifi.passphrase);
 853                 network->wifi.passphrase = g_strdup(value);
 854         }
 855
 856         return connman_element_set_string(&network->element, key, value);
 857 }
 858
 859 /**
 860  * connman_network_get_string:
 861  * @network: network structure
 862  * @key: unique identifier
 863  *
 864  * Get string value for specific key
 865  */
 866 const char *connman_network_get_string(struct connman_network *network,
 867                                                         const char *key)
 868 {
 869         DBG("network %p key %s", network, key);
 870
 871         if (g_str_equal(key, "Name") == TRUE)
 872                 return network->name;
 873         else if (g_str_equal(key, "Node") == TRUE)
 874                 return network->node;
 875         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 876                 return network->wifi.mode;
 877         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 878                 return network->wifi.security;
 879         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 880                 return network->wifi.passphrase;
 881
 882         return connman_element_get_string(&network->element, key);
 883 }
 884
 885 /**
 886  * connman_network_set_uint8:
 887  * @network: network structure
 888  * @key: unique identifier
 889  * @value: integer value
 890  *
 891  * Set integer value for specific key
 892  */
 893 int connman_network_set_uint8(struct connman_network *network,
 894                                         const char *key, connman_uint8_t value)
 895 {
 896         DBG("network %p key %s value %d", network, key, value);
 897
 898         if (g_str_equal(key, "Priority") == TRUE)
 899                 network->priority = value;
 900         else if (g_str_equal(key, "Strength") == TRUE)
 901                 network->strength = value;
 902
 903         return connman_element_set_uint8(&network->element, key, value);
 904 }
 905
 906 /**
 907  * connman_network_get_uint8:
 908  * @network: network structure
 909  * @key: unique identifier
 910  *
 911  * Get integer value for specific key
 912  */
 913 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 914                                                         const char *key)
 915 {
 916         DBG("network %p key %s", network, key);
 917
 918         if (g_str_equal(key, "Priority") == TRUE)
 919                 return network->priority;
 920         else if (g_str_equal(key, "Strength") == TRUE)
 921                 return network->strength;
 922
 923         return connman_element_get_uint8(&network->element, key);
 924 }
 925
 926 /**
 927  * connman_network_set_blob:
 928  * @network: network structure
 929  * @key: unique identifier
 930  * @data: blob data
 931  * @size: blob size
 932  *
 933  * Set binary blob value for specific key
 934  */
 935 int connman_network_set_blob(struct connman_network *network,
 936                         const char *key, const void *data, unsigned int size)
 937 {
 938         DBG("network %p key %s size %d", network, key, size);
 939
 940         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 941                 g_free(network->wifi.ssid);
 942                 network->wifi.ssid = g_try_malloc(size);
 943                 if (network->wifi.ssid != NULL) {
 944                         memcpy(network->wifi.ssid, data, size);
 945                         network->wifi.ssid_len = size;
 946                 } else
 947                         network->wifi.ssid_len = 0;
 948         }
 949
 950         return connman_element_set_blob(&network->element, key, data, size);
 951 }
 952
 953 /**
 954  * connman_network_get_blob:
 955  * @network: network structure
 956  * @key: unique identifier
 957  * @size: pointer to blob size
 958  *
 959  * Get binary blob value for specific key
 960  */
 961 const void *connman_network_get_blob(struct connman_network *network,
 962                                         const char *key, unsigned int *size)
 963 {
 964         DBG("network %p key %s", network, key);
 965
 966         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 967                 if (size != NULL)
 968                         *size = network->wifi.ssid_len;
 969                 return network->wifi.ssid;
 970         }
 971
 972         return connman_element_get_blob(&network->element, key, size);
 973 }
 974
 975 void __connman_network_set_device(struct connman_network *network,
 976                                         struct connman_device *device)
 977 {
 978         network->device = device;
 979 }
 980
 981 /**
 982  * connman_network_get_device:
 983  * @network: network structure
 984  *
 985  * Get parent device of network
 986  */
 987 struct connman_device *connman_network_get_device(struct connman_network *network)
 988 {
 989         return network->device;
 990 }
 991
 992 /**
 993  * connman_network_get_data:
 994  * @network: network structure
 995  *
 996  * Get private network data pointer
 997  */
 998 void *connman_network_get_data(struct connman_network *network)
 999 {
1000         return network->driver_data;
1001 }
1002
1003 /**
1004  * connman_network_set_data:
1005  * @network: network structure
1006  * @data: data pointer
1007  *
1008  * Set private network data pointer
1009  */
1010 void connman_network_set_data(struct connman_network *network, void *data)
1011 {
1012         network->driver_data = data;
1013 }
1014
1015 static gboolean match_driver(struct connman_network *network,
1016                                         struct connman_network_driver *driver)
1017 {
1018         if (network->type == driver->type ||
1019                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1020                 return TRUE;
1021
1022         return FALSE;
1023 }
1024
1025 static int network_probe(struct connman_element *element)
1026 {
1027         struct connman_network *network = element->network;
1028         GSList *list;
1029         int err;
1030
1031         DBG("element %p name %s", element, element->name);
1032
1033         if (network == NULL)
1034                 return -ENODEV;
1035
1036         for (list = driver_list; list; list = list->next) {
1037                 struct connman_network_driver *driver = list->data;
1038
1039                 if (match_driver(network, driver) == FALSE)
1040                         continue;
1041
1042                 DBG("driver %p name %s", driver, driver->name);
1043
1044                 if (driver->probe(network) == 0) {
1045                         network->driver = driver;
1046                         break;
1047                 }
1048         }
1049
1050         if (network->driver == NULL)
1051                 return -ENODEV;
1052
1053         err = register_interface(element);
1054         if (err < 0) {
1055                 if (network->driver->remove)
1056                         network->driver->remove(network);
1057                 return err;
1058         }
1059
1060         __connman_profile_add_network(network);
1061
1062         return 0;
1063 }
1064
1065 static void network_remove(struct connman_element *element)
1066 {
1067         struct connman_network *network = element->network;
1068
1069         DBG("element %p name %s", element, element->name);
1070
1071         if (network == NULL)
1072                 return;
1073
1074         if (network->driver == NULL)
1075                 return;
1076
1077         __connman_profile_remove_network(network);
1078
1079         unregister_interface(element);
1080
1081         if (network->driver->remove)
1082                 network->driver->remove(network);
1083 }
1084
1085 static void network_change(struct connman_element *element)
1086 {
1087         struct connman_network *network = element->network;
1088
1089         DBG("element %p name %s", element, element->name);
1090
1091         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1092                 return;
1093
1094         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1095                 return;
1096
1097         if (network->connected == FALSE)
1098                 return;
1099
1100         connman_element_unregister_children(element);
1101
1102         connman_device_set_disconnected(network->device, TRUE);
1103
1104         if (network->driver && network->driver->disconnect) {
1105                 network->driver->disconnect(network);
1106                 return;
1107         }
1108
1109         network->connected = FALSE;
1110 }
1111
1112 static struct connman_driver network_driver = {
1113         .name           = "network",
1114         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1115         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1116         .probe          = network_probe,
1117         .remove         = network_remove,
1118         .change         = network_change,
1119 };
1120
1121 static int network_init(struct connman_device *device)
1122 {
1123         DBG("device %p", device);
1124
1125         return 0;
1126 }
1127
1128 static int network_load(struct connman_network *network)
1129 {
1130         GKeyFile *keyfile;
1131         gchar *pathname, *data = NULL;
1132         gsize length;
1133         const char *name;
1134         int val;
1135
1136         DBG("network %p", network);
1137
1138         name = connman_device_get_name(network->device);
1139         if (name == NULL)
1140                 return -EINVAL;
1141
1142         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1143         if (pathname == NULL)
1144                 return -ENOMEM;
1145
1146         keyfile = g_key_file_new();
1147
1148         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1149                 g_free(pathname);
1150                 return -ENOENT;
1151         }
1152
1153         g_free(pathname);
1154
1155         if (g_key_file_load_from_data(keyfile, data, length,
1156                                                         0, NULL) == FALSE) {
1157                 g_free(data);
1158                 return -EILSEQ;
1159         }
1160
1161         g_free(data);
1162
1163         network->remember = g_key_file_get_boolean(keyfile,
1164                                         network->identifier, "Remember", NULL);
1165
1166         val = g_key_file_get_integer(keyfile, network->identifier,
1167                                                         "Priority", NULL);
1168         if (val > 0)
1169                 network->priority = val;
1170
1171         g_free(network->wifi.security);
1172         network->wifi.security = g_key_file_get_string(keyfile,
1173                                 network->identifier, "WiFi.Security", NULL);
1174
1175         g_free(network->wifi.passphrase);
1176         network->wifi.passphrase = g_key_file_get_string(keyfile,
1177                                 network->identifier, "WiFi.Passphrase", NULL);
1178
1179         g_key_file_free(keyfile);
1180
1181         return 0;
1182 }
1183
1184 static int network_save(struct connman_network *network)
1185 {
1186         GKeyFile *keyfile;
1187         gchar *pathname, *data = NULL;
1188         gsize length;
1189         const char *name;
1190
1191         DBG("network %p", network);
1192
1193         name = connman_device_get_name(network->device);
1194         if (name == NULL)
1195                 return -EINVAL;
1196
1197         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1198         if (pathname == NULL)
1199                 return -ENOMEM;
1200
1201         keyfile = g_key_file_new();
1202
1203         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1204                 goto update;
1205
1206         if (length > 0) {
1207                 if (g_key_file_load_from_data(keyfile, data, length,
1208                                                         0, NULL) == FALSE)
1209                         goto done;
1210         }
1211
1212         g_free(data);
1213
1214 update:
1215         g_key_file_set_boolean(keyfile, network->identifier,
1216                                         "Remember", network->remember);
1217
1218         if (network->priority > 0)
1219                 g_key_file_set_integer(keyfile, network->identifier,
1220                                                 "Priority", network->priority);
1221
1222         if (network->remember == TRUE || network->connected == TRUE) {
1223                 if (network->wifi.security != NULL)
1224                         g_key_file_set_string(keyfile, network->identifier,
1225                                 "WiFi.Security", network->wifi.security);
1226
1227                 if (network->wifi.passphrase != NULL)
1228                         g_key_file_set_string(keyfile, network->identifier,
1229                                 "WiFi.Passphrase", network->wifi.passphrase);
1230         }
1231
1232         data = g_key_file_to_data(keyfile, &length, NULL);
1233
1234         g_file_set_contents(pathname, data, length, NULL);
1235
1236 done:
1237         g_free(data);
1238
1239         g_key_file_free(keyfile);
1240
1241         g_free(pathname);
1242
1243         return 0;
1244 }
1245
1246 static struct connman_storage network_storage = {
1247         .name           = "network",
1248         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1249         .network_init   = network_init,
1250         .network_load   = network_load,
1251         .network_save   = network_save,
1252 };
1253
1254 int __connman_network_init(void)
1255 {
1256         DBG("");
1257
1258         connection = connman_dbus_get_connection();
1259
1260         if (connman_storage_register(&network_storage) < 0)
1261                 connman_error("Failed to register network storage");
1262
1263         return connman_driver_register(&network_driver);
1264 }
1265
1266 void __connman_network_cleanup(void)
1267 {
1268         DBG("");
1269
1270         connman_driver_unregister(&network_driver);
1271
1272         connman_storage_unregister(&network_storage);
1273
1274         dbus_connection_unref(connection);
1275 }