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 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 /**
 659  * connman_network_set_associating:
 660  * @network: network structure
 661  * @associating: associating state
 662  *
 663  * Change associating state of network
 664  */
 665 int connman_network_set_associating(struct connman_network *network,
 666                                                 connman_bool_t associating)
 667 {
 668         DBG("network %p associating %d", network, associating);
 669
 670         if (network->associating == associating)
 671                 return -EALREADY;
 672
 673         network->associating = associating;
 674
 675         if (associating == TRUE) {
 676                 struct connman_service *service;
 677
 678                 service = __connman_service_lookup_from_network(network);
 679                 __connman_service_indicate_state(service,
 680                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 681         }
 682
 683         return 0;
 684 }
 685
 686 static gboolean set_connected(gpointer user_data)
 687 {
 688         struct connman_network *network = user_data;
 689         struct connman_service *service;
 690
 691         service = __connman_service_lookup_from_network(network);
 692
 693         if (network->connected == TRUE) {
 694                 struct connman_element *element;
 695                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 696
 697                 switch (network->protocol) {
 698                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 699                         return 0;
 700                 case CONNMAN_NETWORK_PROTOCOL_IP:
 701                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 702                         break;
 703                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 704                         type = CONNMAN_ELEMENT_TYPE_PPP;
 705                         break;
 706                 }
 707
 708                 __connman_device_increase_connections(network->device);
 709
 710                 __connman_device_set_network(network->device, network);
 711
 712                 connman_device_set_disconnected(network->device, FALSE);
 713
 714                 element = connman_element_create(NULL);
 715                 if (element != NULL) {
 716                         element->type  = type;
 717                         element->index = network->element.index;
 718
 719                         if (connman_element_register(element,
 720                                                 &network->element) < 0)
 721                                 connman_element_unref(element);
 722
 723                         __connman_service_indicate_state(service,
 724                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 725                 }
 726         } else {
 727                 __connman_service_indicate_state(service,
 728                                                 CONNMAN_SERVICE_STATE_IDLE);
 729
 730                 connman_element_unregister_children(&network->element);
 731
 732                 __connman_device_set_network(network->device, NULL);
 733
 734                 __connman_device_decrease_connections(network->device);
 735         }
 736
 737         return FALSE;
 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         int err;
 810
 811         DBG("network %p", network);
 812
 813         if (network->connected == TRUE)
 814                 return -EALREADY;
 815
 816         if (network->driver == NULL)
 817                 return -EUNATCH;
 818
 819         if (network->driver->connect == NULL)
 820                 return -ENOSYS;
 821
 822         __connman_device_disconnect(network->device);
 823
 824         err = network->driver->connect(network);
 825         if (err == 0) {
 826                 network->connected = TRUE;
 827                 set_connected(network);
 828         }
 829
 830         return err;
 831 }
 832
 833 /**
 834  * __connman_network_disconnect:
 835  * @network: network structure
 836  *
 837  * Disconnect network
 838  */
 839 int __connman_network_disconnect(struct connman_network *network)
 840 {
 841         int err;
 842
 843         DBG("network %p", network);
 844
 845         if (network->connected == FALSE)
 846                 return -ENOTCONN;
 847
 848         if (network->driver == NULL)
 849                 return -EUNATCH;
 850
 851         if (network->driver->disconnect == NULL)
 852                 return -ENOSYS;
 853
 854         err = network->driver->disconnect(network);
 855         if (err == 0) {
 856                 network->connected = FALSE;
 857                 set_connected(network);
 858         }
 859
 860         return err;
 861 }
 862
 863 /**
 864  * connman_network_set_string:
 865  * @network: network structure
 866  * @key: unique identifier
 867  * @value: string value
 868  *
 869  * Set string value for specific key
 870  */
 871 int connman_network_set_string(struct connman_network *network,
 872                                         const char *key, const char *value)
 873 {
 874         DBG("network %p key %s value %s", network, key, value);
 875
 876         if (g_str_equal(key, "Address") == TRUE) {
 877                 g_free(network->address);
 878                 network->address = g_strdup(value);
 879         } else if (g_str_equal(key, "Name") == TRUE) {
 880                 g_free(network->name);
 881                 network->name = g_strdup(value);
 882         } else if (g_str_equal(key, "Node") == TRUE) {
 883                 g_free(network->node);
 884                 network->node = g_strdup(value);
 885         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 886                 g_free(network->wifi.mode);
 887                 network->wifi.mode = g_strdup(value);
 888         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 889                 g_free(network->wifi.security);
 890                 network->wifi.security = g_strdup(value);
 891         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 892                 g_free(network->wifi.passphrase);
 893                 network->wifi.passphrase = g_strdup(value);
 894         }
 895
 896         return connman_element_set_string(&network->element, key, value);
 897 }
 898
 899 /**
 900  * connman_network_get_string:
 901  * @network: network structure
 902  * @key: unique identifier
 903  *
 904  * Get string value for specific key
 905  */
 906 const char *connman_network_get_string(struct connman_network *network,
 907                                                         const char *key)
 908 {
 909         DBG("network %p key %s", network, key);
 910
 911         if (g_str_equal(key, "Address") == TRUE)
 912                 return network->address;
 913         else if (g_str_equal(key, "Name") == TRUE)
 914                 return network->name;
 915         else if (g_str_equal(key, "Node") == TRUE)
 916                 return network->node;
 917         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 918                 return network->wifi.mode;
 919         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 920                 return network->wifi.security;
 921         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 922                 return network->wifi.passphrase;
 923
 924         return connman_element_get_string(&network->element, key);
 925 }
 926
 927 /**
 928  * connman_network_set_uint8:
 929  * @network: network structure
 930  * @key: unique identifier
 931  * @value: integer value
 932  *
 933  * Set integer value for specific key
 934  */
 935 int connman_network_set_uint8(struct connman_network *network,
 936                                         const char *key, connman_uint8_t value)
 937 {
 938         DBG("network %p key %s value %d", network, key, value);
 939
 940         if (g_str_equal(key, "Strength") == TRUE)
 941                 network->strength = value;
 942
 943         return connman_element_set_uint8(&network->element, key, value);
 944 }
 945
 946 /**
 947  * connman_network_get_uint8:
 948  * @network: network structure
 949  * @key: unique identifier
 950  *
 951  * Get integer value for specific key
 952  */
 953 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 954                                                         const char *key)
 955 {
 956         DBG("network %p key %s", network, key);
 957
 958         if (g_str_equal(key, "Strength") == TRUE)
 959                 return network->strength;
 960
 961         return connman_element_get_uint8(&network->element, key);
 962 }
 963
 964 /**
 965  * connman_network_set_uint16:
 966  * @network: network structure
 967  * @key: unique identifier
 968  * @value: integer value
 969  *
 970  * Set integer value for specific key
 971  */
 972 int connman_network_set_uint16(struct connman_network *network,
 973                                 const char *key, connman_uint16_t value)
 974 {
 975         DBG("network %p key %s value %d", network, key, value);
 976
 977         if (g_str_equal(key, "Frequency") == TRUE)
 978                 network->frequency = value;
 979         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
 980                 network->wifi.channel = value;
 981
 982         return -EINVAL;
 983 }
 984
 985 /**
 986  * connman_network_get_uint16:
 987  * @network: network structure
 988  * @key: unique identifier
 989  *
 990  * Get integer value for specific key
 991  */
 992 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
 993                                                         const char *key)
 994 {
 995         DBG("network %p key %s", network, key);
 996
 997         if (g_str_equal(key, "Frequency") == TRUE)
 998                 return network->frequency;
 999         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1000                 return network->wifi.channel;
1001
1002         return 0;
1003 }
1004
1005 /**
1006  * connman_network_set_blob:
1007  * @network: network structure
1008  * @key: unique identifier
1009  * @data: blob data
1010  * @size: blob size
1011  *
1012  * Set binary blob value for specific key
1013  */
1014 int connman_network_set_blob(struct connman_network *network,
1015                         const char *key, const void *data, unsigned int size)
1016 {
1017         DBG("network %p key %s size %d", network, key, size);
1018
1019         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1020                 g_free(network->wifi.ssid);
1021                 network->wifi.ssid = g_try_malloc(size);
1022                 if (network->wifi.ssid != NULL) {
1023                         memcpy(network->wifi.ssid, data, size);
1024                         network->wifi.ssid_len = size;
1025                 } else
1026                         network->wifi.ssid_len = 0;
1027         }
1028
1029         return connman_element_set_blob(&network->element, key, data, size);
1030 }
1031
1032 /**
1033  * connman_network_get_blob:
1034  * @network: network structure
1035  * @key: unique identifier
1036  * @size: pointer to blob size
1037  *
1038  * Get binary blob value for specific key
1039  */
1040 const void *connman_network_get_blob(struct connman_network *network,
1041                                         const char *key, unsigned int *size)
1042 {
1043         DBG("network %p key %s", network, key);
1044
1045         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1046                 if (size != NULL)
1047                         *size = network->wifi.ssid_len;
1048                 return network->wifi.ssid;
1049         }
1050
1051         return connman_element_get_blob(&network->element, key, size);
1052 }
1053
1054 void __connman_network_set_device(struct connman_network *network,
1055                                         struct connman_device *device)
1056 {
1057         network->device = device;
1058 }
1059
1060 /**
1061  * connman_network_get_device:
1062  * @network: network structure
1063  *
1064  * Get parent device of network
1065  */
1066 struct connman_device *connman_network_get_device(struct connman_network *network)
1067 {
1068         return network->device;
1069 }
1070
1071 /**
1072  * connman_network_get_data:
1073  * @network: network structure
1074  *
1075  * Get private network data pointer
1076  */
1077 void *connman_network_get_data(struct connman_network *network)
1078 {
1079         return network->driver_data;
1080 }
1081
1082 /**
1083  * connman_network_set_data:
1084  * @network: network structure
1085  * @data: data pointer
1086  *
1087  * Set private network data pointer
1088  */
1089 void connman_network_set_data(struct connman_network *network, void *data)
1090 {
1091         network->driver_data = data;
1092 }
1093
1094 static gboolean match_driver(struct connman_network *network,
1095                                         struct connman_network_driver *driver)
1096 {
1097         if (network->type == driver->type ||
1098                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1099                 return TRUE;
1100
1101         return FALSE;
1102 }
1103
1104 static int network_probe(struct connman_element *element)
1105 {
1106         struct connman_network *network = element->network;
1107         GSList *list;
1108         int err;
1109
1110         DBG("element %p name %s", element, element->name);
1111
1112         if (network == NULL)
1113                 return -ENODEV;
1114
1115         for (list = driver_list; list; list = list->next) {
1116                 struct connman_network_driver *driver = list->data;
1117
1118                 if (match_driver(network, driver) == FALSE)
1119                         continue;
1120
1121                 DBG("driver %p name %s", driver, driver->name);
1122
1123                 if (driver->probe(network) == 0) {
1124                         network->driver = driver;
1125                         break;
1126                 }
1127         }
1128
1129         if (network->driver == NULL)
1130                 return -ENODEV;
1131
1132         err = register_interface(element);
1133         if (err < 0) {
1134                 if (network->driver->remove)
1135                         network->driver->remove(network);
1136                 return err;
1137         }
1138
1139         network->secondary = connman_device_get_secondary(network->device);
1140
1141         switch (network->type) {
1142         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1143         case CONNMAN_NETWORK_TYPE_VENDOR:
1144         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1145         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1146         case CONNMAN_NETWORK_TYPE_HSO:
1147                 break;
1148         case CONNMAN_NETWORK_TYPE_WIFI:
1149         case CONNMAN_NETWORK_TYPE_WIMAX:
1150                 if (network->group != NULL && network->secondary == FALSE)
1151                         __connman_profile_add_network(network);
1152                 break;
1153         }
1154
1155         return 0;
1156 }
1157
1158 static void network_remove(struct connman_element *element)
1159 {
1160         struct connman_network *network = element->network;
1161
1162         DBG("element %p name %s", element, element->name);
1163
1164         if (network == NULL)
1165                 return;
1166
1167         if (network->driver == NULL)
1168                 return;
1169
1170         switch (network->type) {
1171         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1172         case CONNMAN_NETWORK_TYPE_VENDOR:
1173         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1174         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1175         case CONNMAN_NETWORK_TYPE_HSO:
1176                 break;
1177         case CONNMAN_NETWORK_TYPE_WIFI:
1178         case CONNMAN_NETWORK_TYPE_WIMAX:
1179                 if (network->group != NULL && network->secondary == FALSE) {
1180                         __connman_profile_remove_network(network);
1181
1182                         g_free(network->group);
1183                         network->group = NULL;
1184                 }
1185                 break;
1186         }
1187
1188         unregister_interface(element);
1189
1190         if (network->driver->remove)
1191                 network->driver->remove(network);
1192 }
1193
1194 static void network_change(struct connman_element *element)
1195 {
1196         struct connman_network *network = element->network;
1197
1198         DBG("element %p name %s", element, element->name);
1199
1200         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1201                 return;
1202
1203         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1204                 return;
1205
1206         if (network->connected == FALSE)
1207                 return;
1208
1209         connman_element_unregister_children(element);
1210
1211         connman_device_set_disconnected(network->device, TRUE);
1212
1213         if (network->driver && network->driver->disconnect) {
1214                 network->driver->disconnect(network);
1215                 return;
1216         }
1217
1218         network->connected = FALSE;
1219 }
1220
1221 static struct connman_driver network_driver = {
1222         .name           = "network",
1223         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1224         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1225         .probe          = network_probe,
1226         .remove         = network_remove,
1227         .change         = network_change,
1228 };
1229
1230 int __connman_network_init(void)
1231 {
1232         DBG("");
1233
1234         connection = connman_dbus_get_connection();
1235
1236         return connman_driver_register(&network_driver);
1237 }
1238
1239 void __connman_network_cleanup(void)
1240 {
1241         DBG("");
1242
1243         connman_driver_unregister(&network_driver);
1244
1245         dbus_connection_unref(connection);
1246 }