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 associating;
  37         connman_bool_t secondary;
  38         connman_bool_t available;
  39         connman_bool_t connected;
  40         connman_uint8_t strength;
  41         connman_uint16_t frequency;
  42         char *identifier;
  43         char *address;
  44         char *name;
  45         char *node;
  46         char *group;
  47
  48         struct connman_network_driver *driver;
  49         void *driver_data;
  50
  51         connman_bool_t registered;
  52
  53         struct connman_device *device;
  54
  55         struct {
  56                 void *ssid;
  57                 int ssid_len;
  58                 char *mode;
  59                 unsigned short channel;
  60                 char *security;
  61                 char *passphrase;
  62         } wifi;
  63 };
  64
  65 static const char *type2string(enum connman_network_type type)
  66 {
  67         switch (type) {
  68         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  69         case CONNMAN_NETWORK_TYPE_VENDOR:
  70                 break;
  71         case CONNMAN_NETWORK_TYPE_WIFI:
  72                 return "wifi";
  73         case CONNMAN_NETWORK_TYPE_WIMAX:
  74                 return "wimax";
  75         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  76         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  77                 return "bluetooth";
  78         case CONNMAN_NETWORK_TYPE_HSO:
  79                 return "cellular";
  80         }
  81
  82         return NULL;
  83 }
  84
  85 static DBusMessage *get_properties(DBusConnection *conn,
  86                                         DBusMessage *msg, void *data)
  87 {
  88         struct connman_network *network = data;
  89         DBusMessage *reply;
  90         DBusMessageIter array, dict;
  91
  92         DBG("conn %p", conn);
  93
  94         if (__connman_security_check_privilege(msg,
  95                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  96                 return __connman_error_permission_denied(msg);
  97
  98         reply = dbus_message_new_method_return(msg);
  99         if (reply == NULL)
 100                 return NULL;
 101
 102         dbus_message_iter_init_append(reply, &array);
 103
 104         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 105                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 106                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 107                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 108
 109         if (network->device) {
 110                 const char *path = connman_device_get_path(network->device);
 111                 if (path != NULL)
 112                         connman_dbus_dict_append_variant(&dict, "Device",
 113                                                 DBUS_TYPE_OBJECT_PATH, &path);
 114         }
 115
 116         if (network->address != NULL)
 117                 connman_dbus_dict_append_variant(&dict, "Address",
 118                                         DBUS_TYPE_STRING, &network->address);
 119
 120         if (network->name != NULL)
 121                 connman_dbus_dict_append_variant(&dict, "Name",
 122                                         DBUS_TYPE_STRING, &network->name);
 123
 124         connman_dbus_dict_append_variant(&dict, "Connected",
 125                                 DBUS_TYPE_BOOLEAN, &network->connected);
 126
 127         if (network->strength > 0)
 128                 connman_dbus_dict_append_variant(&dict, "Strength",
 129                                         DBUS_TYPE_BYTE, &network->strength);
 130
 131         if (network->frequency > 0)
 132                 connman_dbus_dict_append_variant(&dict, "Frequency",
 133                                         DBUS_TYPE_UINT16, &network->frequency);
 134
 135         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 136                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 137                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 138                                                 network->wifi.ssid_len);
 139
 140         if (network->wifi.mode != NULL)
 141                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 142                                 DBUS_TYPE_STRING, &network->wifi.mode);
 143
 144         if (network->wifi.channel > 0)
 145                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 146                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 147
 148         if (network->wifi.security != NULL)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 150                                 DBUS_TYPE_STRING, &network->wifi.security);
 151
 152         if (network->wifi.passphrase != NULL &&
 153                         __connman_security_check_privilege(msg,
 154                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 155                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 156                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 157
 158         dbus_message_iter_close_container(&array, &dict);
 159
 160         return reply;
 161 }
 162
 163 static DBusMessage *set_property(DBusConnection *conn,
 164                                         DBusMessage *msg, void *data)
 165 {
 166         struct connman_network *network = data;
 167         DBusMessageIter iter, value;
 168         const char *name;
 169         int type;
 170
 171         DBG("conn %p", conn);
 172
 173         if (dbus_message_iter_init(msg, &iter) == FALSE)
 174                 return __connman_error_invalid_arguments(msg);
 175
 176         dbus_message_iter_get_basic(&iter, &name);
 177         dbus_message_iter_next(&iter);
 178         dbus_message_iter_recurse(&iter, &value);
 179
 180         if (__connman_security_check_privilege(msg,
 181                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 182                 return __connman_error_permission_denied(msg);
 183
 184         type = dbus_message_iter_get_arg_type(&value);
 185
 186         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 187                 const char *passphrase;
 188
 189                 if (type != DBUS_TYPE_STRING)
 190                         return __connman_error_invalid_arguments(msg);
 191
 192                 if (__connman_security_check_privilege(msg,
 193                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 194                         return __connman_error_permission_denied(msg);
 195
 196                 dbus_message_iter_get_basic(&value, &passphrase);
 197
 198                 g_free(network->wifi.passphrase);
 199                 network->wifi.passphrase = g_strdup(passphrase);
 200         }
 201
 202         __connman_storage_save_network(network);
 203
 204         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 205 }
 206
 207 static DBusMessage *do_connect(DBusConnection *conn,
 208                                         DBusMessage *msg, void *data)
 209 {
 210         struct connman_network *network = data;
 211         int err;
 212
 213         DBG("conn %p", conn);
 214
 215         if (__connman_security_check_privilege(msg,
 216                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 217                 return __connman_error_permission_denied(msg);
 218
 219         if (network->connected == TRUE)
 220                 return __connman_error_failed(msg, EALREADY);
 221
 222         if (network->driver && network->driver->connect) {
 223                 enum connman_device_mode mode;
 224
 225                 mode = connman_device_get_mode(network->device);
 226                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 227                         __connman_device_disconnect(network->device);
 228
 229                 err = network->driver->connect(network);
 230                 if (err < 0 && err != -EINPROGRESS)
 231                         return __connman_error_failed(msg, -err);
 232         } else
 233                 network->connected = TRUE;
 234
 235         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 236 }
 237
 238 static DBusMessage *do_disconnect(DBusConnection *conn,
 239                                         DBusMessage *msg, void *data)
 240 {
 241         struct connman_network *network = data;
 242         int err;
 243
 244         DBG("conn %p", conn);
 245
 246         if (__connman_security_check_privilege(msg,
 247                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 248                 return __connman_error_permission_denied(msg);
 249
 250         if (network->connected == FALSE)
 251                 return __connman_error_failed(msg, EINVAL);
 252
 253         connman_element_unregister_children(&network->element);
 254
 255         connman_device_set_disconnected(network->device, TRUE);
 256
 257         if (network->driver && network->driver->disconnect) {
 258                 err = network->driver->disconnect(network);
 259                 if (err < 0 && err != -EINPROGRESS)
 260                         return __connman_error_failed(msg, -err);
 261         } else
 262                 network->connected = FALSE;
 263
 264         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 265 }
 266
 267 static GDBusMethodTable network_methods[] = {
 268         { "GetProperties", "",   "a{sv}", get_properties },
 269         { "SetProperty",   "sv", "",      set_property   },
 270         { "Connect",       "",   "",      do_connect     },
 271         { "Disconnect",    "",   "",      do_disconnect  },
 272         { },
 273 };
 274
 275 static GDBusSignalTable network_signals[] = {
 276         { "PropertyChanged", "sv" },
 277         { },
 278 };
 279
 280 static DBusConnection *connection;
 281
 282 static void append_networks(struct connman_device *device,
 283                                                 DBusMessageIter *entry)
 284 {
 285         DBusMessageIter value, iter;
 286         const char *key = "Networks";
 287
 288         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 289
 290         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 291                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 292                                                                 &value);
 293
 294         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 295                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 296         __connman_element_list((struct connman_element *) device,
 297                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 298         dbus_message_iter_close_container(&value, &iter);
 299
 300         dbus_message_iter_close_container(entry, &value);
 301 }
 302
 303 static void emit_networks_signal(struct connman_device *device)
 304 {
 305         const char *path = connman_device_get_path(device);
 306         DBusMessage *signal;
 307         DBusMessageIter entry;
 308
 309         signal = dbus_message_new_signal(path,
 310                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 311         if (signal == NULL)
 312                 return;
 313
 314         dbus_message_iter_init_append(signal, &entry);
 315
 316         append_networks(device, &entry);
 317
 318         g_dbus_send_message(connection, signal);
 319 }
 320
 321 static int register_interface(struct connman_element *element)
 322 {
 323         struct connman_network *network = element->network;
 324
 325         DBG("element %p name %s", element, element->name);
 326
 327         if (g_dbus_register_interface(connection, element->path,
 328                                         CONNMAN_NETWORK_INTERFACE,
 329                                         network_methods, network_signals,
 330                                         NULL, network, NULL) == FALSE) {
 331                 connman_error("Failed to register %s network", element->path);
 332                 return -EIO;
 333         }
 334
 335         network->registered = TRUE;
 336
 337         emit_networks_signal(network->device);
 338
 339         return 0;
 340 }
 341
 342 static void unregister_interface(struct connman_element *element)
 343 {
 344         struct connman_network * network = element->network;
 345
 346         DBG("element %p name %s", element, element->name);
 347
 348         network->registered = FALSE;
 349
 350         emit_networks_signal(network->device);
 351
 352         g_dbus_unregister_interface(connection, element->path,
 353                                                 CONNMAN_NETWORK_INTERFACE);
 354 }
 355
 356 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 357 {
 358         if (network == NULL || network->driver == NULL)
 359                 return FALSE;
 360
 361         return network->registered;
 362 }
 363
 364 static GSList *driver_list = NULL;
 365
 366 static gint compare_priority(gconstpointer a, gconstpointer b)
 367 {
 368         const struct connman_network_driver *driver1 = a;
 369         const struct connman_network_driver *driver2 = b;
 370
 371         return driver2->priority - driver1->priority;
 372 }
 373
 374 /**
 375  * connman_network_driver_register:
 376  * @driver: network driver definition
 377  *
 378  * Register a new network driver
 379  *
 380  * Returns: %0 on success
 381  */
 382 int connman_network_driver_register(struct connman_network_driver *driver)
 383 {
 384         DBG("driver %p name %s", driver, driver->name);
 385
 386         driver_list = g_slist_insert_sorted(driver_list, driver,
 387                                                         compare_priority);
 388
 389         return 0;
 390 }
 391
 392 /**
 393  * connman_network_driver_unregister:
 394  * @driver: network driver definition
 395  *
 396  * Remove a previously registered network driver
 397  */
 398 void connman_network_driver_unregister(struct connman_network_driver *driver)
 399 {
 400         DBG("driver %p name %s", driver, driver->name);
 401
 402         driver_list = g_slist_remove(driver_list, driver);
 403 }
 404
 405 static void network_destruct(struct connman_element *element)
 406 {
 407         struct connman_network *network = element->network;
 408
 409         DBG("element %p name %s", element, element->name);
 410
 411         g_free(network->wifi.ssid);
 412         g_free(network->wifi.mode);
 413         g_free(network->wifi.security);
 414         g_free(network->wifi.passphrase);
 415
 416         g_free(network->group);
 417         g_free(network->node);
 418         g_free(network->name);
 419         g_free(network->address);
 420         g_free(network->identifier);
 421 }
 422
 423 /**
 424  * connman_network_create:
 425  * @identifier: network identifier (for example an unqiue name)
 426  *
 427  * Allocate a new network and assign the #identifier to it.
 428  *
 429  * Returns: a newly-allocated #connman_network structure
 430  */
 431 struct connman_network *connman_network_create(const char *identifier,
 432                                                 enum connman_network_type type)
 433 {
 434         struct connman_network *network;
 435         connman_uint8_t strength = 0;
 436         const char *str;
 437         char *temp;
 438
 439         DBG("identifier %s type %d", identifier, type);
 440
 441         network = g_try_new0(struct connman_network, 1);
 442         if (network == NULL)
 443                 return NULL;
 444
 445         DBG("network %p", network);
 446
 447         __connman_element_initialize(&network->element);
 448
 449         //temp = connman_dbus_encode_string(identifier);
 450         temp = g_strdup(identifier);
 451         if (temp == NULL) {
 452                 g_free(network);
 453                 return NULL;
 454         }
 455
 456         network->element.name = temp;
 457         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 458
 459         network->element.network = network;
 460         network->element.destruct = network_destruct;
 461
 462         str = type2string(type);
 463         if (str != NULL)
 464                 connman_element_set_string(&network->element, "Type", str);
 465
 466         connman_element_set_uint8(&network->element, "Strength", strength);
 467
 468         network->type       = type;
 469         network->secondary  = FALSE;
 470         network->identifier = g_strdup(identifier);
 471
 472         return network;
 473 }
 474
 475 /**
 476  * connman_network_ref:
 477  * @network: network structure
 478  *
 479  * Increase reference counter of  network
 480  */
 481 struct connman_network *connman_network_ref(struct connman_network *network)
 482 {
 483         if (connman_element_ref(&network->element) == NULL)
 484                 return NULL;
 485
 486         return network;
 487 }
 488
 489 /**
 490  * connman_network_unref:
 491  * @network: network structure
 492  *
 493  * Decrease reference counter of network
 494  */
 495 void connman_network_unref(struct connman_network *network)
 496 {
 497         connman_element_unref(&network->element);
 498 }
 499
 500 const char *__connman_network_get_type(struct connman_network *network)
 501 {
 502         return type2string(network->type);
 503 }
 504
 505 /**
 506  * connman_network_get_type:
 507  * @network: network structure
 508  *
 509  * Get type of network
 510  */
 511 enum connman_network_type connman_network_get_type(struct connman_network *network)
 512 {
 513         return network->type;
 514 }
 515
 516 /**
 517  * connman_network_get_identifier:
 518  * @network: network structure
 519  *
 520  * Get identifier of network
 521  */
 522 const char *connman_network_get_identifier(struct connman_network *network)
 523 {
 524         return network->identifier;
 525 }
 526
 527 /**
 528  * connman_network_get_path:
 529  * @network: network structure
 530  *
 531  * Get path name of network
 532  */
 533 const char *connman_network_get_path(struct connman_network *network)
 534 {
 535         return network->element.path;
 536 }
 537
 538 /**
 539  * connman_network_set_index:
 540  * @network: network structure
 541  * @index: index number
 542  *
 543  * Set index number of network
 544  */
 545 void connman_network_set_index(struct connman_network *network, int index)
 546 {
 547         network->element.index = index;
 548 }
 549
 550 /**
 551  * connman_network_get_index:
 552  * @network: network structure
 553  *
 554  * Get index number of network
 555  */
 556 int connman_network_get_index(struct connman_network *network)
 557 {
 558         return network->element.index;
 559 }
 560
 561 /**
 562  * connman_network_set_protocol:
 563  * @network: network structure
 564  * @protocol: network protocol
 565  *
 566  * Change protocol of network
 567  */
 568 void connman_network_set_protocol(struct connman_network *network,
 569                                         enum connman_network_protocol protocol)
 570 {
 571         network->protocol = protocol;
 572 }
 573
 574 /**
 575  * connman_network_set_group:
 576  * @network: network structure
 577  * @group: group name
 578  *
 579  * Set group name for automatic clustering
 580  */
 581 void connman_network_set_group(struct connman_network *network,
 582                                                         const char *group)
 583 {
 584         if (network->secondary == TRUE)
 585                 return;
 586
 587         if (g_strcmp0(network->group, group) == 0)
 588                 return;
 589
 590         switch (network->type) {
 591         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 592         case CONNMAN_NETWORK_TYPE_VENDOR:
 593         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 594         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 595         case CONNMAN_NETWORK_TYPE_HSO:
 596                 return;
 597         case CONNMAN_NETWORK_TYPE_WIFI:
 598         case CONNMAN_NETWORK_TYPE_WIMAX:
 599                 break;
 600         }
 601
 602         if (network->group != NULL) {
 603                 __connman_profile_remove_network(network);
 604
 605                 g_free(network->group);
 606         }
 607
 608         network->group = g_strdup(group);
 609
 610         if (network->group != NULL)
 611                 __connman_profile_add_network(network);
 612 }
 613
 614 const char *__connman_network_get_group(struct connman_network *network)
 615 {
 616         return network->group;
 617 }
 618
 619 const char *__connman_network_get_ident(struct connman_network *network)
 620 {
 621         if (network->device == NULL)
 622                 return NULL;
 623
 624         return __connman_device_get_ident(network->device);
 625 }
 626
 627 /**
 628  * connman_network_set_available:
 629  * @network: network structure
 630  * @available: availability state
 631  *
 632  * Change availability state of network (in range)
 633  */
 634 int connman_network_set_available(struct connman_network *network,
 635                                                 connman_bool_t available)
 636 {
 637         DBG("network %p available %d", network, available);
 638
 639         if (network->available == available)
 640                 return -EALREADY;
 641
 642         network->available = available;
 643
 644         return 0;
 645 }
 646
 647 /**
 648  * connman_network_get_available:
 649  * @network: network structure
 650  *
 651  * Get network available setting
 652  */
 653 connman_bool_t connman_network_get_available(struct connman_network *network)
 654 {
 655         return network->available;
 656 }
 657
 658 static gboolean set_connected(gpointer user_data)
 659 {
 660         struct connman_network *network = user_data;
 661         struct connman_service *service;
 662
 663         service = __connman_service_lookup_from_network(network);
 664
 665         if (network->connected == TRUE) {
 666                 struct connman_element *element;
 667                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 668
 669                 switch (network->protocol) {
 670                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 671                         return 0;
 672                 case CONNMAN_NETWORK_PROTOCOL_IP:
 673                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 674                         break;
 675                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 676                         type = CONNMAN_ELEMENT_TYPE_PPP;
 677                         break;
 678                 }
 679
 680                 __connman_device_increase_connections(network->device);
 681
 682                 __connman_device_set_network(network->device, network);
 683
 684                 connman_device_set_disconnected(network->device, FALSE);
 685
 686                 element = connman_element_create(NULL);
 687                 if (element != NULL) {
 688                         element->type  = type;
 689                         element->index = network->element.index;
 690
 691                         if (connman_element_register(element,
 692                                                 &network->element) < 0)
 693                                 connman_element_unref(element);
 694
 695                         __connman_service_indicate_state(service,
 696                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 697                 }
 698         } else {
 699                 __connman_service_indicate_state(service,
 700                                                 CONNMAN_SERVICE_STATE_IDLE);
 701
 702                 connman_element_unregister_children(&network->element);
 703
 704                 __connman_device_set_network(network->device, NULL);
 705
 706                 __connman_device_decrease_connections(network->device);
 707         }
 708
 709         return FALSE;
 710 }
 711
 712 /**
 713  * connman_network_set_associating:
 714  * @network: network structure
 715  * @associating: associating state
 716  *
 717  * Change associating state of network
 718  */
 719 int connman_network_set_associating(struct connman_network *network,
 720                                                 connman_bool_t associating)
 721 {
 722         DBG("network %p associating %d", network, associating);
 723
 724         if (network->associating == associating)
 725                 return -EALREADY;
 726
 727         network->associating = associating;
 728
 729         if (associating == TRUE) {
 730                 struct connman_service *service;
 731
 732                 service = __connman_service_lookup_from_network(network);
 733                 __connman_service_indicate_state(service,
 734                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 735         }
 736
 737         return 0;
 738 }
 739
 740 /**
 741  * connman_network_set_connected:
 742  * @network: network structure
 743  * @connected: connected state
 744  *
 745  * Change connected state of network
 746  */
 747 int connman_network_set_connected(struct connman_network *network,
 748                                                 connman_bool_t connected)
 749 {
 750         DBusMessage *signal;
 751         DBusMessageIter entry, value;
 752         const char *key = "Connected";
 753
 754         DBG("network %p connected %d", network, connected);
 755
 756         if (network->connected == connected)
 757                 return -EALREADY;
 758
 759         network->connected = connected;
 760
 761         if (connected == TRUE)
 762                 network->associating = FALSE;
 763
 764         if (network->registered == FALSE) {
 765                 g_idle_add(set_connected, network);
 766                 return 0;
 767         }
 768
 769         signal = dbus_message_new_signal(network->element.path,
 770                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 771         if (signal == NULL)
 772                 return 0;
 773
 774         dbus_message_iter_init_append(signal, &entry);
 775
 776         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 777
 778         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 779                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 780         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 781         dbus_message_iter_close_container(&entry, &value);
 782
 783         g_dbus_send_message(connection, signal);
 784
 785         set_connected(network);
 786
 787         return 0;
 788 }
 789
 790 /**
 791  * connman_network_get_connected:
 792  * @network: network structure
 793  *
 794  * Get network connection status
 795  */
 796 connman_bool_t connman_network_get_connected(struct connman_network *network)
 797 {
 798         return network->connected;
 799 }
 800
 801 /**
 802  * __connman_network_connect:
 803  * @network: network structure
 804  *
 805  * Connect network
 806  */
 807 int __connman_network_connect(struct connman_network *network)
 808 {
 809         if (network->connected == TRUE)
 810                 return -EALREADY;
 811
 812         if (network->driver && network->driver->connect)
 813                 return network->driver->connect(network);
 814
 815         network->connected = TRUE;
 816
 817         return 0;
 818 }
 819
 820 int __connman_network_disconnect(struct connman_network *network)
 821 {
 822         if (network->connected == FALSE)
 823                 return -ENOTCONN;
 824
 825         __connman_device_set_network(network->device, NULL);
 826
 827         connman_element_unregister_children(&network->element);
 828
 829         if (network->driver && network->driver->disconnect)
 830                 return network->driver->disconnect(network);
 831
 832         network->connected = FALSE;
 833
 834         return 0;
 835 }
 836
 837 /**
 838  * connman_network_set_string:
 839  * @network: network structure
 840  * @key: unique identifier
 841  * @value: string value
 842  *
 843  * Set string value for specific key
 844  */
 845 int connman_network_set_string(struct connman_network *network,
 846                                         const char *key, const char *value)
 847 {
 848         DBG("network %p key %s value %s", network, key, value);
 849
 850         if (g_str_equal(key, "Address") == TRUE) {
 851                 g_free(network->address);
 852                 network->address = g_strdup(value);
 853         } else if (g_str_equal(key, "Name") == TRUE) {
 854                 g_free(network->name);
 855                 network->name = g_strdup(value);
 856         } else if (g_str_equal(key, "Node") == TRUE) {
 857                 g_free(network->node);
 858                 network->node = g_strdup(value);
 859         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 860                 g_free(network->wifi.mode);
 861                 network->wifi.mode = g_strdup(value);
 862         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 863                 g_free(network->wifi.security);
 864                 network->wifi.security = g_strdup(value);
 865         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 866                 g_free(network->wifi.passphrase);
 867                 network->wifi.passphrase = g_strdup(value);
 868         }
 869
 870         return connman_element_set_string(&network->element, key, value);
 871 }
 872
 873 /**
 874  * connman_network_get_string:
 875  * @network: network structure
 876  * @key: unique identifier
 877  *
 878  * Get string value for specific key
 879  */
 880 const char *connman_network_get_string(struct connman_network *network,
 881                                                         const char *key)
 882 {
 883         DBG("network %p key %s", network, key);
 884
 885         if (g_str_equal(key, "Address") == TRUE)
 886                 return network->address;
 887         else if (g_str_equal(key, "Name") == TRUE)
 888                 return network->name;
 889         else if (g_str_equal(key, "Node") == TRUE)
 890                 return network->node;
 891         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 892                 return network->wifi.mode;
 893         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 894                 return network->wifi.security;
 895         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 896                 return network->wifi.passphrase;
 897
 898         return connman_element_get_string(&network->element, key);
 899 }
 900
 901 /**
 902  * connman_network_set_uint8:
 903  * @network: network structure
 904  * @key: unique identifier
 905  * @value: integer value
 906  *
 907  * Set integer value for specific key
 908  */
 909 int connman_network_set_uint8(struct connman_network *network,
 910                                         const char *key, connman_uint8_t value)
 911 {
 912         DBG("network %p key %s value %d", network, key, value);
 913
 914         if (g_str_equal(key, "Strength") == TRUE)
 915                 network->strength = value;
 916
 917         return connman_element_set_uint8(&network->element, key, value);
 918 }
 919
 920 /**
 921  * connman_network_get_uint8:
 922  * @network: network structure
 923  * @key: unique identifier
 924  *
 925  * Get integer value for specific key
 926  */
 927 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 928                                                         const char *key)
 929 {
 930         DBG("network %p key %s", network, key);
 931
 932         if (g_str_equal(key, "Strength") == TRUE)
 933                 return network->strength;
 934
 935         return connman_element_get_uint8(&network->element, key);
 936 }
 937
 938 /**
 939  * connman_network_set_uint16:
 940  * @network: network structure
 941  * @key: unique identifier
 942  * @value: integer value
 943  *
 944  * Set integer value for specific key
 945  */
 946 int connman_network_set_uint16(struct connman_network *network,
 947                                 const char *key, connman_uint16_t value)
 948 {
 949         DBG("network %p key %s value %d", network, key, value);
 950
 951         if (g_str_equal(key, "Frequency") == TRUE)
 952                 network->frequency = value;
 953         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
 954                 network->wifi.channel = value;
 955
 956         return -EINVAL;
 957 }
 958
 959 /**
 960  * connman_network_get_uint16:
 961  * @network: network structure
 962  * @key: unique identifier
 963  *
 964  * Get integer value for specific key
 965  */
 966 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
 967                                                         const char *key)
 968 {
 969         DBG("network %p key %s", network, key);
 970
 971         if (g_str_equal(key, "Frequency") == TRUE)
 972                 return network->frequency;
 973         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
 974                 return network->wifi.channel;
 975
 976         return 0;
 977 }
 978
 979 /**
 980  * connman_network_set_blob:
 981  * @network: network structure
 982  * @key: unique identifier
 983  * @data: blob data
 984  * @size: blob size
 985  *
 986  * Set binary blob value for specific key
 987  */
 988 int connman_network_set_blob(struct connman_network *network,
 989                         const char *key, const void *data, unsigned int size)
 990 {
 991         DBG("network %p key %s size %d", network, key, size);
 992
 993         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 994                 g_free(network->wifi.ssid);
 995                 network->wifi.ssid = g_try_malloc(size);
 996                 if (network->wifi.ssid != NULL) {
 997                         memcpy(network->wifi.ssid, data, size);
 998                         network->wifi.ssid_len = size;
 999                 } else
1000                         network->wifi.ssid_len = 0;
1001         }
1002
1003         return connman_element_set_blob(&network->element, key, data, size);
1004 }
1005
1006 /**
1007  * connman_network_get_blob:
1008  * @network: network structure
1009  * @key: unique identifier
1010  * @size: pointer to blob size
1011  *
1012  * Get binary blob value for specific key
1013  */
1014 const void *connman_network_get_blob(struct connman_network *network,
1015                                         const char *key, unsigned int *size)
1016 {
1017         DBG("network %p key %s", network, key);
1018
1019         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1020                 if (size != NULL)
1021                         *size = network->wifi.ssid_len;
1022                 return network->wifi.ssid;
1023         }
1024
1025         return connman_element_get_blob(&network->element, key, size);
1026 }
1027
1028 void __connman_network_set_device(struct connman_network *network,
1029                                         struct connman_device *device)
1030 {
1031         network->device = device;
1032 }
1033
1034 /**
1035  * connman_network_get_device:
1036  * @network: network structure
1037  *
1038  * Get parent device of network
1039  */
1040 struct connman_device *connman_network_get_device(struct connman_network *network)
1041 {
1042         return network->device;
1043 }
1044
1045 /**
1046  * connman_network_get_data:
1047  * @network: network structure
1048  *
1049  * Get private network data pointer
1050  */
1051 void *connman_network_get_data(struct connman_network *network)
1052 {
1053         return network->driver_data;
1054 }
1055
1056 /**
1057  * connman_network_set_data:
1058  * @network: network structure
1059  * @data: data pointer
1060  *
1061  * Set private network data pointer
1062  */
1063 void connman_network_set_data(struct connman_network *network, void *data)
1064 {
1065         network->driver_data = data;
1066 }
1067
1068 static gboolean match_driver(struct connman_network *network,
1069                                         struct connman_network_driver *driver)
1070 {
1071         if (network->type == driver->type ||
1072                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1073                 return TRUE;
1074
1075         return FALSE;
1076 }
1077
1078 static int network_probe(struct connman_element *element)
1079 {
1080         struct connman_network *network = element->network;
1081         GSList *list;
1082         int err;
1083
1084         DBG("element %p name %s", element, element->name);
1085
1086         if (network == NULL)
1087                 return -ENODEV;
1088
1089         for (list = driver_list; list; list = list->next) {
1090                 struct connman_network_driver *driver = list->data;
1091
1092                 if (match_driver(network, driver) == FALSE)
1093                         continue;
1094
1095                 DBG("driver %p name %s", driver, driver->name);
1096
1097                 if (driver->probe(network) == 0) {
1098                         network->driver = driver;
1099                         break;
1100                 }
1101         }
1102
1103         if (network->driver == NULL)
1104                 return -ENODEV;
1105
1106         err = register_interface(element);
1107         if (err < 0) {
1108                 if (network->driver->remove)
1109                         network->driver->remove(network);
1110                 return err;
1111         }
1112
1113         network->secondary = connman_device_get_secondary(network->device);
1114
1115         switch (network->type) {
1116         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1117         case CONNMAN_NETWORK_TYPE_VENDOR:
1118         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1119         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1120         case CONNMAN_NETWORK_TYPE_HSO:
1121                 break;
1122         case CONNMAN_NETWORK_TYPE_WIFI:
1123         case CONNMAN_NETWORK_TYPE_WIMAX:
1124                 if (network->group != NULL && network->secondary == FALSE)
1125                         __connman_profile_add_network(network);
1126                 break;
1127         }
1128
1129         return 0;
1130 }
1131
1132 static void network_remove(struct connman_element *element)
1133 {
1134         struct connman_network *network = element->network;
1135
1136         DBG("element %p name %s", element, element->name);
1137
1138         if (network == NULL)
1139                 return;
1140
1141         if (network->driver == NULL)
1142                 return;
1143
1144         switch (network->type) {
1145         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1146         case CONNMAN_NETWORK_TYPE_VENDOR:
1147         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1148         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1149         case CONNMAN_NETWORK_TYPE_HSO:
1150                 break;
1151         case CONNMAN_NETWORK_TYPE_WIFI:
1152         case CONNMAN_NETWORK_TYPE_WIMAX:
1153                 if (network->group != NULL && network->secondary == FALSE) {
1154                         __connman_profile_remove_network(network);
1155
1156                         g_free(network->group);
1157                         network->group = NULL;
1158                 }
1159                 break;
1160         }
1161
1162         unregister_interface(element);
1163
1164         if (network->driver->remove)
1165                 network->driver->remove(network);
1166 }
1167
1168 static void network_change(struct connman_element *element)
1169 {
1170         struct connman_network *network = element->network;
1171
1172         DBG("element %p name %s", element, element->name);
1173
1174         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1175                 return;
1176
1177         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1178                 return;
1179
1180         if (network->connected == FALSE)
1181                 return;
1182
1183         connman_element_unregister_children(element);
1184
1185         connman_device_set_disconnected(network->device, TRUE);
1186
1187         if (network->driver && network->driver->disconnect) {
1188                 network->driver->disconnect(network);
1189                 return;
1190         }
1191
1192         network->connected = FALSE;
1193 }
1194
1195 static struct connman_driver network_driver = {
1196         .name           = "network",
1197         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1198         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1199         .probe          = network_probe,
1200         .remove         = network_remove,
1201         .change         = network_change,
1202 };
1203
1204 int __connman_network_init(void)
1205 {
1206         DBG("");
1207
1208         connection = connman_dbus_get_connection();
1209
1210         return connman_driver_register(&network_driver);
1211 }
1212
1213 void __connman_network_cleanup(void)
1214 {
1215         DBG("");
1216
1217         connman_driver_unregister(&network_driver);
1218
1219         dbus_connection_unref(connection);
1220 }