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