src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static unsigned int hidden_counter = 0;
  34
  35 struct connman_network {
  36         struct connman_element element;
  37         enum connman_network_type type;
  38         enum connman_network_protocol protocol;
  39         connman_bool_t available;
  40         connman_bool_t connected;
  41         connman_bool_t roaming;
  42         connman_bool_t hidden;
  43         connman_uint8_t strength;
  44         connman_uint16_t frequency;
  45         char *identifier;
  46         char *address;
  47         char *name;
  48         char *node;
  49         char *group;
  50         struct connman_ipconfig *ipconfig;
  51
  52         struct connman_network_driver *driver;
  53         void *driver_data;
  54
  55         connman_bool_t registered;
  56         connman_bool_t connecting;
  57         connman_bool_t associating;
  58
  59         struct connman_device *device;
  60
  61         struct {
  62                 void *ssid;
  63                 int ssid_len;
  64                 char *mode;
  65                 unsigned short channel;
  66                 char *security;
  67                 char *passphrase;
  68                 char *eap;
  69                 char *identity;
  70                 char *ca_cert_path;
  71                 char *client_cert_path;
  72                 char *private_key_path;
  73                 char *private_key_passphrase;
  74                 char *phase2_auth;
  75         } wifi;
  76 };
  77
  78 static const char *type2string(enum connman_network_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  82         case CONNMAN_NETWORK_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_NETWORK_TYPE_ETHERNET:
  85                 return "ethernet";
  86         case CONNMAN_NETWORK_TYPE_WIFI:
  87                 return "wifi";
  88         case CONNMAN_NETWORK_TYPE_WIMAX:
  89                 return "wimax";
  90         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  91         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  92                 return "bluetooth";
  93         case CONNMAN_NETWORK_TYPE_CELLULAR:
  94                 return "cellular";
  95         }
  96
  97         return NULL;
  98 }
  99
 100 static DBusMessage *get_properties(DBusConnection *conn,
 101                                         DBusMessage *msg, void *data)
 102 {
 103         struct connman_network *network = data;
 104         DBusMessage *reply;
 105         DBusMessageIter array, dict;
 106
 107         DBG("conn %p", conn);
 108
 109         if (__connman_security_check_privilege(msg,
 110                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 111                 return __connman_error_permission_denied(msg);
 112
 113         reply = dbus_message_new_method_return(msg);
 114         if (reply == NULL)
 115                 return NULL;
 116
 117         dbus_message_iter_init_append(reply, &array);
 118
 119         connman_dbus_dict_open(&array, &dict);
 120
 121         if (network->device) {
 122                 const char *path = connman_device_get_path(network->device);
 123                 if (path != NULL)
 124                         connman_dbus_dict_append_basic(&dict, "Device",
 125                                                 DBUS_TYPE_OBJECT_PATH, &path);
 126         }
 127
 128         if (network->address != NULL)
 129                 connman_dbus_dict_append_basic(&dict, "Address",
 130                                         DBUS_TYPE_STRING, &network->address);
 131
 132         if (network->name != NULL)
 133                 connman_dbus_dict_append_basic(&dict, "Name",
 134                                         DBUS_TYPE_STRING, &network->name);
 135
 136         connman_dbus_dict_append_basic(&dict, "Connected",
 137                                 DBUS_TYPE_BOOLEAN, &network->connected);
 138
 139         if (network->strength > 0)
 140                 connman_dbus_dict_append_basic(&dict, "Strength",
 141                                         DBUS_TYPE_BYTE, &network->strength);
 142
 143         if (network->frequency > 0)
 144                 connman_dbus_dict_append_basic(&dict, "Frequency",
 145                                         DBUS_TYPE_UINT16, &network->frequency);
 146
 147         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 148                 connman_dbus_dict_append_fixed_array(&dict, "WiFi.SSID",
 149                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 150                                                 network->wifi.ssid_len);
 151
 152         if (network->wifi.mode != NULL)
 153                 connman_dbus_dict_append_basic(&dict, "WiFi.Mode",
 154                                 DBUS_TYPE_STRING, &network->wifi.mode);
 155
 156         if (network->wifi.channel > 0)
 157                 connman_dbus_dict_append_basic(&dict, "WiFi.Channel",
 158                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 159
 160         if (network->wifi.security != NULL) {
 161                 connman_dbus_dict_append_basic(&dict, "WiFi.Security",
 162                                 DBUS_TYPE_STRING, &network->wifi.security);
 163
 164                 if (g_strcmp0(network->wifi.security, "ieee8021x") == 0 &&
 165                                                     network->wifi.eap != NULL)
 166                         connman_dbus_dict_append_basic(&dict, "WiFi.EAP",
 167                                         DBUS_TYPE_STRING, &network->wifi.eap);
 168         }
 169
 170
 171         if (network->wifi.passphrase != NULL &&
 172                         __connman_security_check_privilege(msg,
 173                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 174                 connman_dbus_dict_append_basic(&dict, "WiFi.Passphrase",
 175                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 176
 177         connman_dbus_dict_close(&array, &dict);
 178
 179         return reply;
 180 }
 181
 182 static GDBusMethodTable network_methods[] = {
 183         { "GetProperties", "",   "a{sv}", get_properties },
 184         { },
 185 };
 186
 187 static GDBusSignalTable network_signals[] = {
 188         { "PropertyChanged", "sv" },
 189         { },
 190 };
 191
 192 static DBusConnection *connection;
 193
 194 static void append_networks(DBusMessageIter *iter, void *user_data)
 195 {
 196         struct connman_device *device = user_data;
 197
 198         __connman_element_list((struct connman_element *) device,
 199                                         CONNMAN_ELEMENT_TYPE_NETWORK, iter);
 200 }
 201
 202 static void emit_networks_signal(struct connman_device *device)
 203 {
 204         const char *path = connman_device_get_path(device);
 205
 206         connman_dbus_property_changed_array(path,
 207                         CONNMAN_DEVICE_INTERFACE, "Networks",
 208                         DBUS_TYPE_OBJECT_PATH, append_networks, device);
 209 }
 210
 211 static int register_interface(struct connman_element *element)
 212 {
 213         struct connman_network *network = element->network;
 214
 215         DBG("element %p name %s", element, element->name);
 216
 217         if (g_dbus_register_interface(connection, element->path,
 218                                         CONNMAN_NETWORK_INTERFACE,
 219                                         network_methods, network_signals,
 220                                         NULL, network, NULL) == FALSE) {
 221                 connman_error("Failed to register %s network", element->path);
 222                 return -EIO;
 223         }
 224
 225         network->registered = TRUE;
 226
 227         emit_networks_signal(network->device);
 228
 229         return 0;
 230 }
 231
 232 static void unregister_interface(struct connman_element *element)
 233 {
 234         struct connman_network * network = element->network;
 235
 236         DBG("element %p name %s", element, element->name);
 237
 238         network->registered = FALSE;
 239
 240         if (network->device != NULL)
 241                 emit_networks_signal(network->device);
 242
 243         g_dbus_unregister_interface(connection, element->path,
 244                                                 CONNMAN_NETWORK_INTERFACE);
 245 }
 246
 247 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 248 {
 249         if (network == NULL || network->driver == NULL)
 250                 return FALSE;
 251
 252         return network->registered;
 253 }
 254
 255 static GSList *driver_list = NULL;
 256
 257 static gint compare_priority(gconstpointer a, gconstpointer b)
 258 {
 259         const struct connman_network_driver *driver1 = a;
 260         const struct connman_network_driver *driver2 = b;
 261
 262         return driver2->priority - driver1->priority;
 263 }
 264
 265 /**
 266  * connman_network_driver_register:
 267  * @driver: network driver definition
 268  *
 269  * Register a new network driver
 270  *
 271  * Returns: %0 on success
 272  */
 273 int connman_network_driver_register(struct connman_network_driver *driver)
 274 {
 275         DBG("driver %p name %s", driver, driver->name);
 276
 277         driver_list = g_slist_insert_sorted(driver_list, driver,
 278                                                         compare_priority);
 279
 280         return 0;
 281 }
 282
 283 /**
 284  * connman_network_driver_unregister:
 285  * @driver: network driver definition
 286  *
 287  * Remove a previously registered network driver
 288  */
 289 void connman_network_driver_unregister(struct connman_network_driver *driver)
 290 {
 291         DBG("driver %p name %s", driver, driver->name);
 292
 293         driver_list = g_slist_remove(driver_list, driver);
 294 }
 295
 296 static void network_destruct(struct connman_element *element)
 297 {
 298         struct connman_network *network = element->network;
 299
 300         DBG("element %p name %s", element, element->name);
 301
 302         g_free(network->wifi.ssid);
 303         g_free(network->wifi.mode);
 304         g_free(network->wifi.security);
 305         g_free(network->wifi.passphrase);
 306
 307         g_free(network->group);
 308         g_free(network->node);
 309         g_free(network->name);
 310         g_free(network->address);
 311         g_free(network->identifier);
 312
 313         if (network->ipconfig) {
 314                 connman_ipconfig_unref(network->ipconfig);
 315                 network->ipconfig = NULL;
 316         }
 317 }
 318
 319 /**
 320  * connman_network_create:
 321  * @identifier: network identifier (for example an unqiue name)
 322  *
 323  * Allocate a new network and assign the #identifier to it.
 324  *
 325  * Returns: a newly-allocated #connman_network structure
 326  */
 327 struct connman_network *connman_network_create(const char *identifier,
 328                                                 enum connman_network_type type)
 329 {
 330         struct connman_network *network;
 331         connman_uint8_t strength = 0;
 332         const char *str;
 333         char *temp;
 334
 335         DBG("identifier %s type %d", identifier, type);
 336
 337         network = g_try_new0(struct connman_network, 1);
 338         if (network == NULL)
 339                 return NULL;
 340
 341         DBG("network %p", network);
 342
 343         __connman_element_initialize(&network->element);
 344
 345         //temp = connman_dbus_encode_string(identifier);
 346         if (identifier == NULL) {
 347                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 348                 network->hidden = TRUE;
 349         } else
 350                 temp = g_strdup(identifier);
 351
 352         if (temp == NULL) {
 353                 g_free(network);
 354                 return NULL;
 355         }
 356
 357         network->element.name = temp;
 358         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 359
 360         network->element.network = network;
 361         network->element.destruct = network_destruct;
 362
 363         str = type2string(type);
 364         if (str != NULL)
 365                 connman_element_set_string(&network->element, "Type", str);
 366
 367         connman_element_set_uint8(&network->element, "Strength", strength);
 368
 369         network->type       = type;
 370         network->identifier = g_strdup(temp);
 371
 372         return network;
 373 }
 374
 375 /**
 376  * connman_network_ref:
 377  * @network: network structure
 378  *
 379  * Increase reference counter of  network
 380  */
 381 struct connman_network *connman_network_ref(struct connman_network *network)
 382 {
 383         if (connman_element_ref(&network->element) == NULL)
 384                 return NULL;
 385
 386         return network;
 387 }
 388
 389 /**
 390  * connman_network_unref:
 391  * @network: network structure
 392  *
 393  * Decrease reference counter of network
 394  */
 395 void connman_network_unref(struct connman_network *network)
 396 {
 397         connman_element_unref(&network->element);
 398 }
 399
 400 const char *__connman_network_get_type(struct connman_network *network)
 401 {
 402         return type2string(network->type);
 403 }
 404
 405 /**
 406  * connman_network_get_type:
 407  * @network: network structure
 408  *
 409  * Get type of network
 410  */
 411 enum connman_network_type connman_network_get_type(struct connman_network *network)
 412 {
 413         return network->type;
 414 }
 415
 416 /**
 417  * connman_network_get_identifier:
 418  * @network: network structure
 419  *
 420  * Get identifier of network
 421  */
 422 const char *connman_network_get_identifier(struct connman_network *network)
 423 {
 424         return network->identifier;
 425 }
 426
 427 /**
 428  * connman_network_get_path:
 429  * @network: network structure
 430  *
 431  * Get path name of network
 432  */
 433 const char *connman_network_get_path(struct connman_network *network)
 434 {
 435         return network->element.path;
 436 }
 437
 438 /**
 439  * connman_network_set_index:
 440  * @network: network structure
 441  * @index: index number
 442  *
 443  * Set index number of network
 444  */
 445 void connman_network_set_index(struct connman_network *network, int index)
 446 {
 447         if (network->element.index < 0) {
 448                 struct connman_service *service;
 449
 450                 /*
 451                  * This is needed for plugins that havent set their ipconfig
 452                  * layer yet, due to not being able to get a network index
 453                  * prior to creating a service.
 454                  */
 455                 service = __connman_service_lookup_from_network(network);
 456                 if (service != NULL)
 457                         __connman_service_create_ipconfig(service, index);
 458         }
 459
 460         network->element.index = index;
 461 }
 462
 463 /**
 464  * connman_network_get_index:
 465  * @network: network structure
 466  *
 467  * Get index number of network
 468  */
 469 int connman_network_get_index(struct connman_network *network)
 470 {
 471         return network->element.index;
 472 }
 473
 474 /**
 475  * connman_network_get_element:
 476  * @network: network structure
 477  *
 478  * Get connman_element of network
 479  */
 480 struct connman_element *connman_network_get_element(
 481                                 struct connman_network *network)
 482 {
 483         return &network->element;
 484 }
 485
 486 /**
 487  * connman_network_set_protocol:
 488  * @network: network structure
 489  * @protocol: network protocol
 490  *
 491  * Change protocol of network
 492  */
 493 void connman_network_set_protocol(struct connman_network *network,
 494                                         enum connman_network_protocol protocol)
 495 {
 496         network->protocol = protocol;
 497 }
 498
 499 /**
 500  * connman_network_set_group:
 501  * @network: network structure
 502  * @group: group name
 503  *
 504  * Set group name for automatic clustering
 505  */
 506 void connman_network_set_group(struct connman_network *network,
 507                                                         const char *group)
 508 {
 509         switch (network->type) {
 510         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 511         case CONNMAN_NETWORK_TYPE_VENDOR:
 512                 return;
 513         case CONNMAN_NETWORK_TYPE_ETHERNET:
 514         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 515         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 516         case CONNMAN_NETWORK_TYPE_CELLULAR:
 517         case CONNMAN_NETWORK_TYPE_WIFI:
 518         case CONNMAN_NETWORK_TYPE_WIMAX:
 519                 break;
 520         }
 521
 522         if (g_strcmp0(network->group, group) == 0) {
 523                 if (group != NULL)
 524                         __connman_profile_update_network(network);
 525                 return;
 526         }
 527
 528         if (network->group != NULL) {
 529                 __connman_profile_remove_network(network);
 530
 531                 g_free(network->group);
 532         }
 533
 534         network->group = g_strdup(group);
 535
 536         if (network->group != NULL)
 537                 __connman_profile_add_network(network);
 538 }
 539
 540 /**
 541  * connman_network_get_group:
 542  * @network: network structure
 543  *
 544  * Get group name for automatic clustering
 545  */
 546 const char *connman_network_get_group(struct connman_network *network)
 547 {
 548         return network->group;
 549 }
 550
 551 const char *__connman_network_get_ident(struct connman_network *network)
 552 {
 553         if (network->device == NULL)
 554                 return NULL;
 555
 556         return __connman_device_get_ident(network->device);
 557 }
 558
 559 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 560 {
 561         switch (network->type) {
 562         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 563         case CONNMAN_NETWORK_TYPE_VENDOR:
 564         case CONNMAN_NETWORK_TYPE_ETHERNET:
 565         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 566         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 567         case CONNMAN_NETWORK_TYPE_CELLULAR:
 568         case CONNMAN_NETWORK_TYPE_WIMAX:
 569                 break;
 570         case CONNMAN_NETWORK_TYPE_WIFI:
 571                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 572                         return TRUE;
 573                 if (network->strength > 0 && network->strength < 20)
 574                         return TRUE;
 575                 break;
 576         }
 577
 578         return FALSE;
 579 }
 580
 581 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 582 {
 583         return network->connecting;
 584 }
 585
 586 /**
 587  * connman_network_set_available:
 588  * @network: network structure
 589  * @available: availability state
 590  *
 591  * Change availability state of network (in range)
 592  */
 593 int connman_network_set_available(struct connman_network *network,
 594                                                 connman_bool_t available)
 595 {
 596         DBG("network %p available %d", network, available);
 597
 598         if (network->available == available)
 599                 return -EALREADY;
 600
 601         network->available = available;
 602
 603         return 0;
 604 }
 605
 606 /**
 607  * connman_network_get_available:
 608  * @network: network structure
 609  *
 610  * Get network available setting
 611  */
 612 connman_bool_t connman_network_get_available(struct connman_network *network)
 613 {
 614         if (network->hidden == TRUE)
 615                 return TRUE;
 616
 617         return network->available;
 618 }
 619
 620 /**
 621  * connman_network_set_associating:
 622  * @network: network structure
 623  * @associating: associating state
 624  *
 625  * Change associating state of network
 626  */
 627 int connman_network_set_associating(struct connman_network *network,
 628                                                 connman_bool_t associating)
 629 {
 630         DBG("network %p associating %d", network, associating);
 631
 632         if (network->associating == associating)
 633                 return -EALREADY;
 634
 635         network->associating = associating;
 636
 637         if (associating == TRUE) {
 638                 struct connman_service *service;
 639
 640                 service = __connman_service_lookup_from_network(network);
 641                 __connman_service_indicate_state(service,
 642                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 643         }
 644
 645         return 0;
 646 }
 647
 648 static void set_associate_error(struct connman_network *network)
 649 {
 650         struct connman_service *service;
 651
 652         if (network->associating == FALSE)
 653                 return ;
 654
 655         network->associating = FALSE;
 656
 657         service = __connman_service_lookup_from_network(network);
 658
 659         __connman_service_indicate_state(service,
 660                                         CONNMAN_SERVICE_STATE_FAILURE);
 661 }
 662
 663 static void set_configure_error(struct connman_network *network)
 664 {
 665         struct connman_service *service;
 666
 667         network->connecting = FALSE;
 668
 669         service = __connman_service_lookup_from_network(network);
 670
 671         __connman_service_indicate_state(service,
 672                                         CONNMAN_SERVICE_STATE_FAILURE);
 673 }
 674
 675 void connman_network_set_method(struct connman_network *network,
 676                                         enum connman_ipconfig_method method)
 677 {
 678         struct connman_service *service;
 679         struct connman_ipconfig *ipconfig;
 680
 681         network->element.ipv4.method = method;
 682
 683         service = __connman_service_lookup_from_network(network);
 684         if (service == NULL)
 685                 return;
 686
 687         ipconfig = __connman_service_get_ipconfig(service);
 688         if (ipconfig == NULL)
 689                 return;
 690
 691         connman_ipconfig_set_method(ipconfig, method);
 692 }
 693
 694 void connman_network_set_error(struct connman_network *network,
 695                                         enum connman_network_error error)
 696 {
 697         DBG("nework %p, error %d", network, error);
 698
 699         network->connecting = FALSE;
 700
 701         switch (error) {
 702         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 703                 return;
 704         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 705                 set_associate_error(network);
 706                 break;
 707         case CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL:
 708                 set_configure_error(network);
 709                 break;
 710         }
 711 }
 712
 713 static void set_configuration(struct connman_network *network)
 714 {
 715         struct connman_service *service;
 716
 717         DBG("network %p", network);
 718
 719         __connman_device_increase_connections(network->device);
 720
 721         __connman_device_set_network(network->device, network);
 722
 723         connman_device_set_disconnected(network->device, FALSE);
 724
 725         service = __connman_service_lookup_from_network(network);
 726         __connman_service_indicate_state(service,
 727                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 728 }
 729
 730 static void set_connected_manual(struct connman_network *network)
 731 {
 732         struct connman_service *service;
 733         struct connman_ipconfig *ipconfig;
 734         int err;
 735
 736         DBG("network %p", network);
 737
 738         service = __connman_service_lookup_from_network(network);
 739
 740         ipconfig = __connman_service_get_ipconfig(service);
 741
 742         set_configuration(network);
 743
 744         err = __connman_ipconfig_set_address(ipconfig);
 745         if (err < 0) {
 746                 connman_network_set_error(network,
 747                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 748                 return;
 749         }
 750
 751         __connman_ipconfig_set_gateway(ipconfig, &network->element);
 752
 753         network->connecting = FALSE;
 754
 755         connman_network_set_associating(network, FALSE);
 756
 757         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 758 }
 759
 760 static int set_connected_dhcp(struct connman_network *network)
 761 {
 762         struct connman_element *element;
 763         int error;
 764
 765         DBG("network %p", network);
 766
 767         if (network->protocol != CONNMAN_NETWORK_PROTOCOL_IP)
 768                 return -EINVAL;
 769
 770         element = connman_element_create(NULL);
 771         if (element == NULL)
 772                 return -ENOMEM;
 773
 774         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 775         element->index = network->element.index;
 776
 777         error = connman_element_register(element, &network->element);
 778         if (error < 0) {
 779                 connman_element_unref(element);
 780                 return error;
 781         }
 782
 783         set_configuration(network);
 784
 785         return 0;
 786 }
 787
 788 static gboolean set_connected(gpointer user_data)
 789 {
 790         struct connman_network *network = user_data;
 791         struct connman_service *service;
 792         struct connman_ipconfig *ipconfig;
 793         enum connman_ipconfig_method method;
 794
 795         service = __connman_service_lookup_from_network(network);
 796
 797         ipconfig = __connman_service_get_ipconfig(service);
 798
 799         method = __connman_ipconfig_get_method(ipconfig);
 800
 801         DBG("method %d", method);
 802
 803         if (network->connected == TRUE) {
 804                 switch (method) {
 805                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 806                 case CONNMAN_IPCONFIG_METHOD_OFF:
 807                         return FALSE;
 808                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 809                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 810                         set_connected_manual(network);
 811                         return TRUE;
 812                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 813                         if (set_connected_dhcp(network) < 0) {
 814                                 connman_network_set_error(network,
 815                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 816                                 return FALSE;
 817                         }
 818                 }
 819
 820         } else {
 821                 struct connman_service *service;
 822
 823                 connman_element_unregister_children(&network->element);
 824
 825                 __connman_device_set_network(network->device, NULL);
 826                 network->hidden = FALSE;
 827
 828                 __connman_device_decrease_connections(network->device);
 829
 830                 service = __connman_service_lookup_from_network(network);
 831
 832                 __connman_service_indicate_state(service,
 833                                                 CONNMAN_SERVICE_STATE_IDLE);
 834         }
 835
 836         network->connecting = FALSE;
 837
 838         connman_network_set_associating(network, FALSE);
 839
 840         return FALSE;
 841 }
 842
 843 /**
 844  * connman_network_set_connected:
 845  * @network: network structure
 846  * @connected: connected state
 847  *
 848  * Change connected state of network
 849  */
 850 int connman_network_set_connected(struct connman_network *network,
 851                                                 connman_bool_t connected)
 852 {
 853         DBG("network %p connected %d", network, connected);
 854
 855         if ((network->connecting == TRUE || network->associating == TRUE) &&
 856                                                         connected == FALSE) {
 857                 connman_element_set_error(&network->element,
 858                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 859                 __connman_network_disconnect(network);
 860         }
 861
 862         if (network->connected == connected)
 863                 return -EALREADY;
 864
 865         network->connected = connected;
 866
 867         if (network->registered == FALSE) {
 868                 g_idle_add(set_connected, network);
 869                 return 0;
 870         }
 871
 872         connman_dbus_property_changed_basic(network->element.path,
 873                                 CONNMAN_NETWORK_INTERFACE, "Connected",
 874                                                 DBUS_TYPE_BOOLEAN, &connected);
 875
 876         set_connected(network);
 877
 878         return 0;
 879 }
 880
 881 /**
 882  * connman_network_get_connected:
 883  * @network: network structure
 884  *
 885  * Get network connection status
 886  */
 887 connman_bool_t connman_network_get_connected(struct connman_network *network)
 888 {
 889         return network->connected;
 890 }
 891
 892 /**
 893  * connman_network_get_associating:
 894  * @network: network structure
 895  *
 896  * Get network associating status
 897  */
 898 connman_bool_t connman_network_get_associating(struct connman_network *network)
 899 {
 900         return network->associating;
 901 }
 902
 903 /**
 904  * __connman_network_connect:
 905  * @network: network structure
 906  *
 907  * Connect network
 908  */
 909 int __connman_network_connect(struct connman_network *network)
 910 {
 911         int err;
 912
 913         DBG("network %p", network);
 914
 915         if (network->connected == TRUE)
 916                 return -EISCONN;
 917
 918         if (network->connecting == TRUE || network->associating == TRUE)
 919                 return -EALREADY;
 920
 921         if (network->driver == NULL)
 922                 return -EUNATCH;
 923
 924         if (network->driver->connect == NULL)
 925                 return -ENOSYS;
 926
 927         __connman_device_disconnect(network->device);
 928
 929         network->connecting = TRUE;
 930
 931         err = network->driver->connect(network);
 932         if (err < 0) {
 933                 if (err == -EINPROGRESS)
 934                         connman_network_set_associating(network, TRUE);
 935                 else {
 936                         network->connecting = FALSE;
 937                         network->hidden = FALSE;
 938                 }
 939
 940                 return err;
 941         }
 942
 943         network->connected = TRUE;
 944         set_connected(network);
 945
 946         return err;
 947 }
 948
 949 /**
 950  * __connman_network_disconnect:
 951  * @network: network structure
 952  *
 953  * Disconnect network
 954  */
 955 int __connman_network_disconnect(struct connman_network *network)
 956 {
 957         int err;
 958
 959         DBG("network %p", network);
 960
 961         if (network->connected == FALSE && network->connecting == FALSE &&
 962                                                 network->associating == FALSE)
 963                 return -ENOTCONN;
 964
 965         if (network->driver == NULL)
 966                 return -EUNATCH;
 967
 968         if (network->driver->disconnect == NULL)
 969                 return -ENOSYS;
 970
 971         network->connecting = FALSE;
 972
 973         err = network->driver->disconnect(network);
 974         if (err == 0) {
 975                 connman_network_set_connected(network, FALSE);
 976                 set_connected(network);
 977         }
 978
 979         return err;
 980 }
 981
 982 /**
 983  * connman_network_set_address:
 984  * @network: network structure
 985  * @address: binary address value
 986  * @size: binary address length
 987  *
 988  * Set unique address value for network
 989  */
 990 int connman_network_set_address(struct connman_network *network,
 991                                 const void *address, unsigned int size)
 992 {
 993         const unsigned char *addr_octet = address;
 994         char *str;
 995
 996         DBG("network %p size %d", network, size);
 997
 998         if (size != 6)
 999                 return -EINVAL;
1000
1001         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
1002                                 addr_octet[0], addr_octet[1], addr_octet[2],
1003                                 addr_octet[3], addr_octet[4], addr_octet[5]);
1004         if (str == NULL)
1005                 return -ENOMEM;
1006
1007         g_free(network->address);
1008         network->address = str;
1009
1010         return connman_element_set_string(&network->element,
1011                                                 "Address", network->address);
1012 }
1013
1014 /**
1015  * connman_network_set_name:
1016  * @network: network structure
1017  * @name: name value
1018  *
1019  * Set display name value for network
1020  */
1021 int connman_network_set_name(struct connman_network *network,
1022                                                         const char *name)
1023 {
1024         DBG("network %p name %s", network, name);
1025
1026         g_free(network->name);
1027         network->name = g_strdup(name);
1028
1029         return connman_element_set_string(&network->element, "Name", name);
1030 }
1031
1032 /**
1033  * connman_network_set_strength:
1034  * @network: network structure
1035  * @strength: strength value
1036  *
1037  * Set signal strength value for network
1038  */
1039 int connman_network_set_strength(struct connman_network *network,
1040                                                 connman_uint8_t strength)
1041 {
1042         DBG("network %p strengh %d", network, strength);
1043
1044         network->strength = strength;
1045
1046         return connman_element_set_uint8(&network->element,
1047                                                 "Strength", strength);
1048 }
1049
1050 /**
1051  * connman_network_set_roaming:
1052  * @network: network structure
1053  * @roaming: roaming state
1054  *
1055  * Set roaming state for network
1056  */
1057 int connman_network_set_roaming(struct connman_network *network,
1058                                                 connman_bool_t roaming)
1059 {
1060         DBG("network %p roaming %d", network, roaming);
1061
1062         network->roaming = roaming;
1063
1064         return connman_element_set_bool(&network->element,
1065                                                 "Roaming", roaming);
1066 }
1067
1068 /**
1069  * connman_network_set_string:
1070  * @network: network structure
1071  * @key: unique identifier
1072  * @value: string value
1073  *
1074  * Set string value for specific key
1075  */
1076 int connman_network_set_string(struct connman_network *network,
1077                                         const char *key, const char *value)
1078 {
1079         int err;
1080
1081         DBG("network %p key %s value %s", network, key, value);
1082
1083         if (g_strcmp0(key, "Name") == 0)
1084                 return connman_network_set_name(network, value);
1085
1086         if (g_str_equal(key, "Address") == TRUE) {
1087                 g_free(network->address);
1088                 network->address = g_strdup(value);
1089         } else if (g_str_equal(key, "Node") == TRUE) {
1090                 g_free(network->node);
1091                 network->node = g_strdup(value);
1092         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1093                 g_free(network->wifi.mode);
1094                 network->wifi.mode = g_strdup(value);
1095         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1096                 g_free(network->wifi.security);
1097                 network->wifi.security = g_strdup(value);
1098         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1099                 g_free(network->wifi.passphrase);
1100                 network->wifi.passphrase = g_strdup(value);
1101         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1102                 g_free(network->wifi.eap);
1103                 network->wifi.eap = g_strdup(value);
1104         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1105                 g_free(network->wifi.identity);
1106                 network->wifi.identity = g_strdup(value);
1107         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1108                 g_free(network->wifi.ca_cert_path);
1109                 network->wifi.ca_cert_path = g_strdup(value);
1110         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1111                 g_free(network->wifi.client_cert_path);
1112                 network->wifi.client_cert_path = g_strdup(value);
1113         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1114                 g_free(network->wifi.private_key_path);
1115                 network->wifi.private_key_path = g_strdup(value);
1116         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1117                 g_free(network->wifi.private_key_passphrase);
1118                 network->wifi.private_key_passphrase = g_strdup(value);
1119         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1120                 g_free(network->wifi.phase2_auth);
1121                 network->wifi.phase2_auth = g_strdup(value);
1122         }
1123
1124         err = connman_element_set_string(&network->element, key, value);
1125         if (err < 0)
1126                 return err;
1127
1128         if (network->driver == NULL)
1129                 return 0;
1130
1131         if (network->driver->setup)
1132                 return network->driver->setup(network, key);
1133
1134         return 0;
1135 }
1136
1137 /**
1138  * connman_network_get_string:
1139  * @network: network structure
1140  * @key: unique identifier
1141  *
1142  * Get string value for specific key
1143  */
1144 const char *connman_network_get_string(struct connman_network *network,
1145                                                         const char *key)
1146 {
1147         DBG("network %p key %s", network, key);
1148
1149         if (g_str_equal(key, "Address") == TRUE)
1150                 return network->address;
1151         else if (g_str_equal(key, "Name") == TRUE)
1152                 return network->name;
1153         else if (g_str_equal(key, "Node") == TRUE)
1154                 return network->node;
1155         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1156                 return network->wifi.mode;
1157         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1158                 return network->wifi.security;
1159         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1160                 return network->wifi.passphrase;
1161         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1162                 return network->wifi.eap;
1163         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1164                 return network->wifi.identity;
1165         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1166                 return network->wifi.ca_cert_path;
1167         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1168                 return network->wifi.client_cert_path;
1169         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1170                 return network->wifi.private_key_path;
1171         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1172                 return network->wifi.private_key_passphrase;
1173         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1174                 return network->wifi.phase2_auth;
1175
1176         return connman_element_get_string(&network->element, key);
1177 }
1178
1179 /**
1180  * connman_network_set_bool:
1181  * @network: network structure
1182  * @key: unique identifier
1183  * @value: boolean value
1184  *
1185  * Set boolean value for specific key
1186  */
1187 int connman_network_set_bool(struct connman_network *network,
1188                                         const char *key, connman_bool_t value)
1189 {
1190         DBG("network %p key %s value %d", network, key, value);
1191
1192         if (g_strcmp0(key, "Roaming") == 0)
1193                 return connman_network_set_roaming(network, value);
1194
1195         return connman_element_set_bool(&network->element, key, value);
1196 }
1197
1198 /**
1199  * connman_network_get_bool:
1200  * @network: network structure
1201  * @key: unique identifier
1202  *
1203  * Get boolean value for specific key
1204  */
1205 connman_bool_t connman_network_get_bool(struct connman_network *network,
1206                                                         const char *key)
1207 {
1208         DBG("network %p key %s", network, key);
1209
1210         if (g_str_equal(key, "Roaming") == TRUE)
1211                 return network->roaming;
1212
1213         return connman_element_get_bool(&network->element, key);
1214 }
1215
1216 /**
1217  * connman_network_set_uint8:
1218  * @network: network structure
1219  * @key: unique identifier
1220  * @value: integer value
1221  *
1222  * Set integer value for specific key
1223  */
1224 int connman_network_set_uint8(struct connman_network *network,
1225                                         const char *key, connman_uint8_t value)
1226 {
1227         DBG("network %p key %s value %d", network, key, value);
1228
1229         if (g_strcmp0(key, "Strength") == 0)
1230                 return connman_network_set_strength(network, value);
1231
1232         return connman_element_set_uint8(&network->element, key, value);
1233 }
1234
1235 /**
1236  * connman_network_get_uint8:
1237  * @network: network structure
1238  * @key: unique identifier
1239  *
1240  * Get integer value for specific key
1241  */
1242 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1243                                                         const char *key)
1244 {
1245         DBG("network %p key %s", network, key);
1246
1247         if (g_str_equal(key, "Strength") == TRUE)
1248                 return network->strength;
1249
1250         return connman_element_get_uint8(&network->element, key);
1251 }
1252
1253 /**
1254  * connman_network_set_uint16:
1255  * @network: network structure
1256  * @key: unique identifier
1257  * @value: integer value
1258  *
1259  * Set integer value for specific key
1260  */
1261 int connman_network_set_uint16(struct connman_network *network,
1262                                 const char *key, connman_uint16_t value)
1263 {
1264         DBG("network %p key %s value %d", network, key, value);
1265
1266         if (g_str_equal(key, "Frequency") == TRUE)
1267                 network->frequency = value;
1268         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1269                 network->wifi.channel = value;
1270
1271         return -EINVAL;
1272 }
1273
1274 /**
1275  * connman_network_get_uint16:
1276  * @network: network structure
1277  * @key: unique identifier
1278  *
1279  * Get integer value for specific key
1280  */
1281 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1282                                                         const char *key)
1283 {
1284         DBG("network %p key %s", network, key);
1285
1286         if (g_str_equal(key, "Frequency") == TRUE)
1287                 return network->frequency;
1288         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1289                 return network->wifi.channel;
1290
1291         return 0;
1292 }
1293
1294 /**
1295  * connman_network_set_blob:
1296  * @network: network structure
1297  * @key: unique identifier
1298  * @data: blob data
1299  * @size: blob size
1300  *
1301  * Set binary blob value for specific key
1302  */
1303 int connman_network_set_blob(struct connman_network *network,
1304                         const char *key, const void *data, unsigned int size)
1305 {
1306         DBG("network %p key %s size %d", network, key, size);
1307
1308         if (g_strcmp0(key, "Address") == 0)
1309                 return connman_network_set_address(network, data, size);
1310
1311         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1312                 g_free(network->wifi.ssid);
1313                 network->wifi.ssid = g_try_malloc(size);
1314                 if (network->wifi.ssid != NULL) {
1315                         memcpy(network->wifi.ssid, data, size);
1316                         network->wifi.ssid_len = size;
1317                 } else
1318                         network->wifi.ssid_len = 0;
1319         }
1320
1321         return connman_element_set_blob(&network->element, key, data, size);
1322 }
1323
1324 /**
1325  * connman_network_get_blob:
1326  * @network: network structure
1327  * @key: unique identifier
1328  * @size: pointer to blob size
1329  *
1330  * Get binary blob value for specific key
1331  */
1332 const void *connman_network_get_blob(struct connman_network *network,
1333                                         const char *key, unsigned int *size)
1334 {
1335         DBG("network %p key %s", network, key);
1336
1337         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1338                 if (size != NULL)
1339                         *size = network->wifi.ssid_len;
1340                 return network->wifi.ssid;
1341         }
1342
1343         return connman_element_get_blob(&network->element, key, size);
1344 }
1345
1346 void __connman_network_set_device(struct connman_network *network,
1347                                         struct connman_device *device)
1348 {
1349         network->device = device;
1350 }
1351
1352 /**
1353  * connman_network_get_device:
1354  * @network: network structure
1355  *
1356  * Get parent device of network
1357  */
1358 struct connman_device *connman_network_get_device(struct connman_network *network)
1359 {
1360         return network->device;
1361 }
1362
1363 /**
1364  * connman_network_get_data:
1365  * @network: network structure
1366  *
1367  * Get private network data pointer
1368  */
1369 void *connman_network_get_data(struct connman_network *network)
1370 {
1371         return network->driver_data;
1372 }
1373
1374 /**
1375  * connman_network_set_data:
1376  * @network: network structure
1377  * @data: data pointer
1378  *
1379  * Set private network data pointer
1380  */
1381 void connman_network_set_data(struct connman_network *network, void *data)
1382 {
1383         network->driver_data = data;
1384 }
1385
1386 static gboolean match_driver(struct connman_network *network,
1387                                         struct connman_network_driver *driver)
1388 {
1389         if (network->type == driver->type ||
1390                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1391                 return TRUE;
1392
1393         return FALSE;
1394 }
1395
1396 static int network_probe(struct connman_element *element)
1397 {
1398         struct connman_network *network = element->network;
1399         GSList *list;
1400         int err;
1401
1402         DBG("element %p name %s", element, element->name);
1403
1404         if (network == NULL)
1405                 return -ENODEV;
1406
1407         for (list = driver_list; list; list = list->next) {
1408                 struct connman_network_driver *driver = list->data;
1409
1410                 if (match_driver(network, driver) == FALSE)
1411                         continue;
1412
1413                 DBG("driver %p name %s", driver, driver->name);
1414
1415                 if (driver->probe(network) == 0) {
1416                         network->driver = driver;
1417                         break;
1418                 }
1419         }
1420
1421         if (network->driver == NULL)
1422                 return -ENODEV;
1423
1424         err = register_interface(element);
1425         if (err < 0) {
1426                 if (network->driver->remove)
1427                         network->driver->remove(network);
1428                 return err;
1429         }
1430
1431         switch (network->type) {
1432         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1433         case CONNMAN_NETWORK_TYPE_VENDOR:
1434                 break;
1435         case CONNMAN_NETWORK_TYPE_ETHERNET:
1436         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1437         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1438         case CONNMAN_NETWORK_TYPE_CELLULAR:
1439         case CONNMAN_NETWORK_TYPE_WIFI:
1440         case CONNMAN_NETWORK_TYPE_WIMAX:
1441                 if (network->group != NULL)
1442                         __connman_profile_add_network(network);
1443                 break;
1444         }
1445
1446         return 0;
1447 }
1448
1449 static void network_remove(struct connman_element *element)
1450 {
1451         struct connman_network *network = element->network;
1452
1453         DBG("element %p name %s", element, element->name);
1454
1455         if (network == NULL)
1456                 return;
1457
1458         if (network->driver == NULL)
1459                 return;
1460
1461         switch (network->type) {
1462         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1463         case CONNMAN_NETWORK_TYPE_VENDOR:
1464                 break;
1465         case CONNMAN_NETWORK_TYPE_ETHERNET:
1466         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1467         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1468         case CONNMAN_NETWORK_TYPE_CELLULAR:
1469         case CONNMAN_NETWORK_TYPE_WIFI:
1470         case CONNMAN_NETWORK_TYPE_WIMAX:
1471                 if (network->group != NULL) {
1472                         __connman_profile_remove_network(network);
1473
1474                         g_free(network->group);
1475                         network->group = NULL;
1476                 }
1477                 break;
1478         }
1479
1480         unregister_interface(element);
1481
1482         if (network->driver->remove)
1483                 network->driver->remove(network);
1484 }
1485
1486 static void network_change(struct connman_element *element)
1487 {
1488         struct connman_network *network = element->network;
1489
1490         DBG("element %p name %s", element, element->name);
1491
1492         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1493                 return;
1494
1495         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1496                 return;
1497
1498         if (network->connected == FALSE)
1499                 return;
1500
1501         connman_element_unregister_children(element);
1502
1503         connman_device_set_disconnected(network->device, TRUE);
1504
1505         if (network->driver && network->driver->disconnect) {
1506                 network->driver->disconnect(network);
1507                 return;
1508         }
1509
1510         network->connected = FALSE;
1511 }
1512
1513 static struct connman_driver network_driver = {
1514         .name           = "network",
1515         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1516         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1517         .probe          = network_probe,
1518         .remove         = network_remove,
1519         .change         = network_change,
1520 };
1521
1522 int __connman_network_init(void)
1523 {
1524         DBG("");
1525
1526         connection = connman_dbus_get_connection();
1527
1528         return connman_driver_register(&network_driver);
1529 }
1530
1531 void __connman_network_cleanup(void)
1532 {
1533         DBG("");
1534
1535         connman_driver_unregister(&network_driver);
1536
1537         dbus_connection_unref(connection);
1538 }