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         network->device = NULL;
 319 }
 320
 321 /**
 322  * connman_network_create:
 323  * @identifier: network identifier (for example an unqiue name)
 324  *
 325  * Allocate a new network and assign the #identifier to it.
 326  *
 327  * Returns: a newly-allocated #connman_network structure
 328  */
 329 struct connman_network *connman_network_create(const char *identifier,
 330                                                 enum connman_network_type type)
 331 {
 332         struct connman_network *network;
 333         connman_uint8_t strength = 0;
 334         const char *str;
 335         char *temp;
 336
 337         DBG("identifier %s type %d", identifier, type);
 338
 339         network = g_try_new0(struct connman_network, 1);
 340         if (network == NULL)
 341                 return NULL;
 342
 343         DBG("network %p", network);
 344
 345         __connman_element_initialize(&network->element);
 346
 347         //temp = connman_dbus_encode_string(identifier);
 348         if (identifier == NULL) {
 349                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 350                 network->hidden = TRUE;
 351         } else
 352                 temp = g_strdup(identifier);
 353
 354         if (temp == NULL) {
 355                 g_free(network);
 356                 return NULL;
 357         }
 358
 359         network->element.name = temp;
 360         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 361
 362         network->element.network = network;
 363         network->element.destruct = network_destruct;
 364
 365         str = type2string(type);
 366         if (str != NULL)
 367                 connman_element_set_string(&network->element, "Type", str);
 368
 369         connman_element_set_uint8(&network->element, "Strength", strength);
 370
 371         network->type       = type;
 372         network->identifier = g_strdup(temp);
 373
 374         return network;
 375 }
 376
 377 /**
 378  * connman_network_ref:
 379  * @network: network structure
 380  *
 381  * Increase reference counter of  network
 382  */
 383 struct connman_network *connman_network_ref(struct connman_network *network)
 384 {
 385         if (connman_element_ref(&network->element) == NULL)
 386                 return NULL;
 387
 388         return network;
 389 }
 390
 391 /**
 392  * connman_network_unref:
 393  * @network: network structure
 394  *
 395  * Decrease reference counter of network
 396  */
 397 void connman_network_unref(struct connman_network *network)
 398 {
 399         connman_element_unref(&network->element);
 400 }
 401
 402 const char *__connman_network_get_type(struct connman_network *network)
 403 {
 404         return type2string(network->type);
 405 }
 406
 407 /**
 408  * connman_network_get_type:
 409  * @network: network structure
 410  *
 411  * Get type of network
 412  */
 413 enum connman_network_type connman_network_get_type(struct connman_network *network)
 414 {
 415         return network->type;
 416 }
 417
 418 /**
 419  * connman_network_get_identifier:
 420  * @network: network structure
 421  *
 422  * Get identifier of network
 423  */
 424 const char *connman_network_get_identifier(struct connman_network *network)
 425 {
 426         return network->identifier;
 427 }
 428
 429 /**
 430  * connman_network_get_path:
 431  * @network: network structure
 432  *
 433  * Get path name of network
 434  */
 435 const char *connman_network_get_path(struct connman_network *network)
 436 {
 437         return network->element.path;
 438 }
 439
 440 /**
 441  * connman_network_set_index:
 442  * @network: network structure
 443  * @index: index number
 444  *
 445  * Set index number of network
 446  */
 447 void connman_network_set_index(struct connman_network *network, int index)
 448 {
 449         if (network->element.index < 0) {
 450                 struct connman_service *service;
 451
 452                 /*
 453                  * This is needed for plugins that havent set their ipconfig
 454                  * layer yet, due to not being able to get a network index
 455                  * prior to creating a service.
 456                  */
 457                 service = __connman_service_lookup_from_network(network);
 458                 if (service != NULL)
 459                         __connman_service_create_ipconfig(service, index);
 460         }
 461
 462         network->element.index = index;
 463 }
 464
 465 /**
 466  * connman_network_get_index:
 467  * @network: network structure
 468  *
 469  * Get index number of network
 470  */
 471 int connman_network_get_index(struct connman_network *network)
 472 {
 473         return network->element.index;
 474 }
 475
 476 /**
 477  * connman_network_get_element:
 478  * @network: network structure
 479  *
 480  * Get connman_element of network
 481  */
 482 struct connman_element *connman_network_get_element(
 483                                 struct connman_network *network)
 484 {
 485         return &network->element;
 486 }
 487
 488 /**
 489  * connman_network_set_protocol:
 490  * @network: network structure
 491  * @protocol: network protocol
 492  *
 493  * Change protocol of network
 494  */
 495 void connman_network_set_protocol(struct connman_network *network,
 496                                         enum connman_network_protocol protocol)
 497 {
 498         network->protocol = protocol;
 499 }
 500
 501 /**
 502  * connman_network_set_group:
 503  * @network: network structure
 504  * @group: group name
 505  *
 506  * Set group name for automatic clustering
 507  */
 508 void connman_network_set_group(struct connman_network *network,
 509                                                         const char *group)
 510 {
 511         switch (network->type) {
 512         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 513         case CONNMAN_NETWORK_TYPE_VENDOR:
 514                 return;
 515         case CONNMAN_NETWORK_TYPE_ETHERNET:
 516         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 517         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 518         case CONNMAN_NETWORK_TYPE_CELLULAR:
 519         case CONNMAN_NETWORK_TYPE_WIFI:
 520         case CONNMAN_NETWORK_TYPE_WIMAX:
 521                 break;
 522         }
 523
 524         if (g_strcmp0(network->group, group) == 0) {
 525                 if (group != NULL)
 526                         __connman_profile_update_network(network);
 527                 return;
 528         }
 529
 530         if (network->group != NULL) {
 531                 __connman_profile_remove_network(network);
 532
 533                 g_free(network->group);
 534         }
 535
 536         network->group = g_strdup(group);
 537
 538         if (network->group != NULL)
 539                 __connman_profile_add_network(network);
 540 }
 541
 542 /**
 543  * connman_network_get_group:
 544  * @network: network structure
 545  *
 546  * Get group name for automatic clustering
 547  */
 548 const char *connman_network_get_group(struct connman_network *network)
 549 {
 550         return network->group;
 551 }
 552
 553 const char *__connman_network_get_ident(struct connman_network *network)
 554 {
 555         if (network->device == NULL)
 556                 return NULL;
 557
 558         return __connman_device_get_ident(network->device);
 559 }
 560
 561 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 562 {
 563         switch (network->type) {
 564         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 565         case CONNMAN_NETWORK_TYPE_VENDOR:
 566         case CONNMAN_NETWORK_TYPE_ETHERNET:
 567         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 568         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 569         case CONNMAN_NETWORK_TYPE_CELLULAR:
 570         case CONNMAN_NETWORK_TYPE_WIMAX:
 571                 break;
 572         case CONNMAN_NETWORK_TYPE_WIFI:
 573                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 574                         return TRUE;
 575                 if (network->strength > 0 && network->strength < 20)
 576                         return TRUE;
 577                 break;
 578         }
 579
 580         return FALSE;
 581 }
 582
 583 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 584 {
 585         return network->connecting;
 586 }
 587
 588 /**
 589  * connman_network_set_available:
 590  * @network: network structure
 591  * @available: availability state
 592  *
 593  * Change availability state of network (in range)
 594  */
 595 int connman_network_set_available(struct connman_network *network,
 596                                                 connman_bool_t available)
 597 {
 598         DBG("network %p available %d", network, available);
 599
 600         if (network->available == available)
 601                 return -EALREADY;
 602
 603         network->available = available;
 604
 605         return 0;
 606 }
 607
 608 /**
 609  * connman_network_get_available:
 610  * @network: network structure
 611  *
 612  * Get network available setting
 613  */
 614 connman_bool_t connman_network_get_available(struct connman_network *network)
 615 {
 616         if (network->hidden == TRUE)
 617                 return TRUE;
 618
 619         return network->available;
 620 }
 621
 622 /**
 623  * connman_network_set_associating:
 624  * @network: network structure
 625  * @associating: associating state
 626  *
 627  * Change associating state of network
 628  */
 629 int connman_network_set_associating(struct connman_network *network,
 630                                                 connman_bool_t associating)
 631 {
 632         DBG("network %p associating %d", network, associating);
 633
 634         if (network->associating == associating)
 635                 return -EALREADY;
 636
 637         network->associating = associating;
 638
 639         if (associating == TRUE) {
 640                 struct connman_service *service;
 641
 642                 service = __connman_service_lookup_from_network(network);
 643                 __connman_service_indicate_state(service,
 644                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 645         }
 646
 647         return 0;
 648 }
 649
 650 static void set_associate_error(struct connman_network *network)
 651 {
 652         struct connman_service *service;
 653
 654         if (network->associating == FALSE)
 655                 return ;
 656
 657         network->associating = FALSE;
 658
 659         service = __connman_service_lookup_from_network(network);
 660
 661         __connman_service_indicate_state(service,
 662                                         CONNMAN_SERVICE_STATE_FAILURE);
 663 }
 664
 665 static void set_configure_error(struct connman_network *network)
 666 {
 667         struct connman_service *service;
 668
 669         network->connecting = FALSE;
 670
 671         service = __connman_service_lookup_from_network(network);
 672
 673         __connman_service_indicate_state(service,
 674                                         CONNMAN_SERVICE_STATE_FAILURE);
 675 }
 676
 677 void connman_network_set_method(struct connman_network *network,
 678                                         enum connman_ipconfig_method method)
 679 {
 680         struct connman_service *service;
 681         struct connman_ipconfig *ipconfig;
 682
 683         network->element.ipv4.method = method;
 684
 685         service = __connman_service_lookup_from_network(network);
 686         if (service == NULL)
 687                 return;
 688
 689         ipconfig = __connman_service_get_ipconfig(service);
 690         if (ipconfig == NULL)
 691                 return;
 692
 693         connman_ipconfig_set_method(ipconfig, method);
 694 }
 695
 696 void connman_network_set_error(struct connman_network *network,
 697                                         enum connman_network_error error)
 698 {
 699         DBG("nework %p, error %d", network, error);
 700
 701         network->connecting = FALSE;
 702
 703         switch (error) {
 704         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 705                 return;
 706         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 707                 set_associate_error(network);
 708                 break;
 709         case CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL:
 710                 set_configure_error(network);
 711                 break;
 712         }
 713 }
 714
 715 static void set_configuration(struct connman_network *network)
 716 {
 717         struct connman_service *service;
 718
 719         DBG("network %p", network);
 720
 721         __connman_device_increase_connections(network->device);
 722
 723         __connman_device_set_network(network->device, network);
 724
 725         connman_device_set_disconnected(network->device, FALSE);
 726
 727         service = __connman_service_lookup_from_network(network);
 728         __connman_service_indicate_state(service,
 729                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 730 }
 731
 732 static void set_connected_manual(struct connman_network *network)
 733 {
 734         struct connman_service *service;
 735         struct connman_ipconfig *ipconfig;
 736         int err;
 737
 738         DBG("network %p", network);
 739
 740         service = __connman_service_lookup_from_network(network);
 741
 742         ipconfig = __connman_service_get_ipconfig(service);
 743
 744         set_configuration(network);
 745
 746         err = __connman_ipconfig_set_address(ipconfig);
 747         if (err < 0) {
 748                 connman_network_set_error(network,
 749                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 750                 return;
 751         }
 752
 753         __connman_ipconfig_set_gateway(ipconfig, &network->element);
 754
 755         network->connecting = FALSE;
 756
 757         connman_network_set_associating(network, FALSE);
 758
 759         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 760 }
 761
 762 static int set_connected_dhcp(struct connman_network *network)
 763 {
 764         struct connman_element *element;
 765         int error;
 766
 767         DBG("network %p", network);
 768
 769         if (network->protocol != CONNMAN_NETWORK_PROTOCOL_IP)
 770                 return -EINVAL;
 771
 772         element = connman_element_create(NULL);
 773         if (element == NULL)
 774                 return -ENOMEM;
 775
 776         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 777         element->index = network->element.index;
 778
 779         error = connman_element_register(element, &network->element);
 780         if (error < 0) {
 781                 connman_element_unref(element);
 782                 return error;
 783         }
 784
 785         set_configuration(network);
 786
 787         return 0;
 788 }
 789
 790 static gboolean set_connected(gpointer user_data)
 791 {
 792         struct connman_network *network = user_data;
 793         struct connman_service *service;
 794         struct connman_ipconfig *ipconfig;
 795         enum connman_ipconfig_method method;
 796
 797         service = __connman_service_lookup_from_network(network);
 798
 799         ipconfig = __connman_service_get_ipconfig(service);
 800
 801         method = __connman_ipconfig_get_method(ipconfig);
 802
 803         DBG("method %d", method);
 804
 805         if (network->connected == TRUE) {
 806                 switch (method) {
 807                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 808                 case CONNMAN_IPCONFIG_METHOD_OFF:
 809                         return FALSE;
 810                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 811                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 812                         set_connected_manual(network);
 813                         return TRUE;
 814                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 815                         if (set_connected_dhcp(network) < 0) {
 816                                 connman_network_set_error(network,
 817                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 818                                 return FALSE;
 819                         }
 820                 }
 821
 822         } else {
 823                 struct connman_service *service;
 824
 825                 connman_element_unregister_children(&network->element);
 826
 827                 __connman_device_set_network(network->device, NULL);
 828                 network->hidden = FALSE;
 829
 830                 __connman_device_decrease_connections(network->device);
 831
 832                 service = __connman_service_lookup_from_network(network);
 833
 834                 __connman_service_indicate_state(service,
 835                                                 CONNMAN_SERVICE_STATE_IDLE);
 836         }
 837
 838         network->connecting = FALSE;
 839
 840         connman_network_set_associating(network, FALSE);
 841
 842         return FALSE;
 843 }
 844
 845 /**
 846  * connman_network_set_connected:
 847  * @network: network structure
 848  * @connected: connected state
 849  *
 850  * Change connected state of network
 851  */
 852 int connman_network_set_connected(struct connman_network *network,
 853                                                 connman_bool_t connected)
 854 {
 855         DBG("network %p connected %d", network, connected);
 856
 857         if ((network->connecting == TRUE || network->associating == TRUE) &&
 858                                                         connected == FALSE) {
 859                 connman_element_set_error(&network->element,
 860                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 861                 __connman_network_disconnect(network);
 862         }
 863
 864         if (network->connected == connected)
 865                 return -EALREADY;
 866
 867         network->connected = connected;
 868
 869         if (network->registered == FALSE) {
 870                 g_idle_add(set_connected, network);
 871                 return 0;
 872         }
 873
 874         connman_dbus_property_changed_basic(network->element.path,
 875                                 CONNMAN_NETWORK_INTERFACE, "Connected",
 876                                                 DBUS_TYPE_BOOLEAN, &connected);
 877
 878         set_connected(network);
 879
 880         return 0;
 881 }
 882
 883 /**
 884  * connman_network_get_connected:
 885  * @network: network structure
 886  *
 887  * Get network connection status
 888  */
 889 connman_bool_t connman_network_get_connected(struct connman_network *network)
 890 {
 891         return network->connected;
 892 }
 893
 894 /**
 895  * connman_network_get_associating:
 896  * @network: network structure
 897  *
 898  * Get network associating status
 899  */
 900 connman_bool_t connman_network_get_associating(struct connman_network *network)
 901 {
 902         return network->associating;
 903 }
 904
 905 /**
 906  * __connman_network_connect:
 907  * @network: network structure
 908  *
 909  * Connect network
 910  */
 911 int __connman_network_connect(struct connman_network *network)
 912 {
 913         int err;
 914
 915         DBG("network %p", network);
 916
 917         if (network->connected == TRUE)
 918                 return -EISCONN;
 919
 920         if (network->connecting == TRUE || network->associating == TRUE)
 921                 return -EALREADY;
 922
 923         if (network->driver == NULL)
 924                 return -EUNATCH;
 925
 926         if (network->driver->connect == NULL)
 927                 return -ENOSYS;
 928
 929         __connman_device_disconnect(network->device);
 930
 931         network->connecting = TRUE;
 932
 933         err = network->driver->connect(network);
 934         if (err < 0) {
 935                 if (err == -EINPROGRESS)
 936                         connman_network_set_associating(network, TRUE);
 937                 else {
 938                         network->connecting = FALSE;
 939                         network->hidden = FALSE;
 940                 }
 941
 942                 return err;
 943         }
 944
 945         network->connected = TRUE;
 946         set_connected(network);
 947
 948         return err;
 949 }
 950
 951 /**
 952  * __connman_network_disconnect:
 953  * @network: network structure
 954  *
 955  * Disconnect network
 956  */
 957 int __connman_network_disconnect(struct connman_network *network)
 958 {
 959         int err;
 960
 961         DBG("network %p", network);
 962
 963         if (network->connected == FALSE && network->connecting == FALSE &&
 964                                                 network->associating == FALSE)
 965                 return -ENOTCONN;
 966
 967         if (network->driver == NULL)
 968                 return -EUNATCH;
 969
 970         if (network->driver->disconnect == NULL)
 971                 return -ENOSYS;
 972
 973         network->connecting = FALSE;
 974
 975         err = network->driver->disconnect(network);
 976         if (err == 0) {
 977                 connman_network_set_connected(network, FALSE);
 978                 set_connected(network);
 979         }
 980
 981         return err;
 982 }
 983
 984 /**
 985  * connman_network_set_address:
 986  * @network: network structure
 987  * @address: binary address value
 988  * @size: binary address length
 989  *
 990  * Set unique address value for network
 991  */
 992 int connman_network_set_address(struct connman_network *network,
 993                                 const void *address, unsigned int size)
 994 {
 995         const unsigned char *addr_octet = address;
 996         char *str;
 997
 998         DBG("network %p size %d", network, size);
 999
1000         if (size != 6)
1001                 return -EINVAL;
1002
1003         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
1004                                 addr_octet[0], addr_octet[1], addr_octet[2],
1005                                 addr_octet[3], addr_octet[4], addr_octet[5]);
1006         if (str == NULL)
1007                 return -ENOMEM;
1008
1009         g_free(network->address);
1010         network->address = str;
1011
1012         return connman_element_set_string(&network->element,
1013                                                 "Address", network->address);
1014 }
1015
1016 /**
1017  * connman_network_set_name:
1018  * @network: network structure
1019  * @name: name value
1020  *
1021  * Set display name value for network
1022  */
1023 int connman_network_set_name(struct connman_network *network,
1024                                                         const char *name)
1025 {
1026         DBG("network %p name %s", network, name);
1027
1028         g_free(network->name);
1029         network->name = g_strdup(name);
1030
1031         return connman_element_set_string(&network->element, "Name", name);
1032 }
1033
1034 /**
1035  * connman_network_set_strength:
1036  * @network: network structure
1037  * @strength: strength value
1038  *
1039  * Set signal strength value for network
1040  */
1041 int connman_network_set_strength(struct connman_network *network,
1042                                                 connman_uint8_t strength)
1043 {
1044         DBG("network %p strengh %d", network, strength);
1045
1046         network->strength = strength;
1047
1048         return connman_element_set_uint8(&network->element,
1049                                                 "Strength", strength);
1050 }
1051
1052 /**
1053  * connman_network_set_roaming:
1054  * @network: network structure
1055  * @roaming: roaming state
1056  *
1057  * Set roaming state for network
1058  */
1059 int connman_network_set_roaming(struct connman_network *network,
1060                                                 connman_bool_t roaming)
1061 {
1062         DBG("network %p roaming %d", network, roaming);
1063
1064         network->roaming = roaming;
1065
1066         return connman_element_set_bool(&network->element,
1067                                                 "Roaming", roaming);
1068 }
1069
1070 /**
1071  * connman_network_set_string:
1072  * @network: network structure
1073  * @key: unique identifier
1074  * @value: string value
1075  *
1076  * Set string value for specific key
1077  */
1078 int connman_network_set_string(struct connman_network *network,
1079                                         const char *key, const char *value)
1080 {
1081         int err;
1082
1083         DBG("network %p key %s value %s", network, key, value);
1084
1085         if (g_strcmp0(key, "Name") == 0)
1086                 return connman_network_set_name(network, value);
1087
1088         if (g_str_equal(key, "Address") == TRUE) {
1089                 g_free(network->address);
1090                 network->address = g_strdup(value);
1091         } else if (g_str_equal(key, "Node") == TRUE) {
1092                 g_free(network->node);
1093                 network->node = g_strdup(value);
1094         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1095                 g_free(network->wifi.mode);
1096                 network->wifi.mode = g_strdup(value);
1097         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1098                 g_free(network->wifi.security);
1099                 network->wifi.security = g_strdup(value);
1100         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1101                 g_free(network->wifi.passphrase);
1102                 network->wifi.passphrase = g_strdup(value);
1103         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1104                 g_free(network->wifi.eap);
1105                 network->wifi.eap = g_strdup(value);
1106         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1107                 g_free(network->wifi.identity);
1108                 network->wifi.identity = g_strdup(value);
1109         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1110                 g_free(network->wifi.ca_cert_path);
1111                 network->wifi.ca_cert_path = g_strdup(value);
1112         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1113                 g_free(network->wifi.client_cert_path);
1114                 network->wifi.client_cert_path = g_strdup(value);
1115         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1116                 g_free(network->wifi.private_key_path);
1117                 network->wifi.private_key_path = g_strdup(value);
1118         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1119                 g_free(network->wifi.private_key_passphrase);
1120                 network->wifi.private_key_passphrase = g_strdup(value);
1121         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1122                 g_free(network->wifi.phase2_auth);
1123                 network->wifi.phase2_auth = g_strdup(value);
1124         }
1125
1126         err = connman_element_set_string(&network->element, key, value);
1127         if (err < 0)
1128                 return err;
1129
1130         if (network->driver == NULL)
1131                 return 0;
1132
1133         if (network->driver->setup)
1134                 return network->driver->setup(network, key);
1135
1136         return 0;
1137 }
1138
1139 /**
1140  * connman_network_get_string:
1141  * @network: network structure
1142  * @key: unique identifier
1143  *
1144  * Get string value for specific key
1145  */
1146 const char *connman_network_get_string(struct connman_network *network,
1147                                                         const char *key)
1148 {
1149         DBG("network %p key %s", network, key);
1150
1151         if (g_str_equal(key, "Address") == TRUE)
1152                 return network->address;
1153         else if (g_str_equal(key, "Name") == TRUE)
1154                 return network->name;
1155         else if (g_str_equal(key, "Node") == TRUE)
1156                 return network->node;
1157         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1158                 return network->wifi.mode;
1159         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1160                 return network->wifi.security;
1161         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1162                 return network->wifi.passphrase;
1163         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1164                 return network->wifi.eap;
1165         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1166                 return network->wifi.identity;
1167         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1168                 return network->wifi.ca_cert_path;
1169         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1170                 return network->wifi.client_cert_path;
1171         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1172                 return network->wifi.private_key_path;
1173         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1174                 return network->wifi.private_key_passphrase;
1175         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1176                 return network->wifi.phase2_auth;
1177
1178         return connman_element_get_string(&network->element, key);
1179 }
1180
1181 /**
1182  * connman_network_set_bool:
1183  * @network: network structure
1184  * @key: unique identifier
1185  * @value: boolean value
1186  *
1187  * Set boolean value for specific key
1188  */
1189 int connman_network_set_bool(struct connman_network *network,
1190                                         const char *key, connman_bool_t value)
1191 {
1192         DBG("network %p key %s value %d", network, key, value);
1193
1194         if (g_strcmp0(key, "Roaming") == 0)
1195                 return connman_network_set_roaming(network, value);
1196
1197         return connman_element_set_bool(&network->element, key, value);
1198 }
1199
1200 /**
1201  * connman_network_get_bool:
1202  * @network: network structure
1203  * @key: unique identifier
1204  *
1205  * Get boolean value for specific key
1206  */
1207 connman_bool_t connman_network_get_bool(struct connman_network *network,
1208                                                         const char *key)
1209 {
1210         DBG("network %p key %s", network, key);
1211
1212         if (g_str_equal(key, "Roaming") == TRUE)
1213                 return network->roaming;
1214
1215         return connman_element_get_bool(&network->element, key);
1216 }
1217
1218 /**
1219  * connman_network_set_uint8:
1220  * @network: network structure
1221  * @key: unique identifier
1222  * @value: integer value
1223  *
1224  * Set integer value for specific key
1225  */
1226 int connman_network_set_uint8(struct connman_network *network,
1227                                         const char *key, connman_uint8_t value)
1228 {
1229         DBG("network %p key %s value %d", network, key, value);
1230
1231         if (g_strcmp0(key, "Strength") == 0)
1232                 return connman_network_set_strength(network, value);
1233
1234         return connman_element_set_uint8(&network->element, key, value);
1235 }
1236
1237 /**
1238  * connman_network_get_uint8:
1239  * @network: network structure
1240  * @key: unique identifier
1241  *
1242  * Get integer value for specific key
1243  */
1244 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1245                                                         const char *key)
1246 {
1247         DBG("network %p key %s", network, key);
1248
1249         if (g_str_equal(key, "Strength") == TRUE)
1250                 return network->strength;
1251
1252         return connman_element_get_uint8(&network->element, key);
1253 }
1254
1255 /**
1256  * connman_network_set_uint16:
1257  * @network: network structure
1258  * @key: unique identifier
1259  * @value: integer value
1260  *
1261  * Set integer value for specific key
1262  */
1263 int connman_network_set_uint16(struct connman_network *network,
1264                                 const char *key, connman_uint16_t value)
1265 {
1266         DBG("network %p key %s value %d", network, key, value);
1267
1268         if (g_str_equal(key, "Frequency") == TRUE)
1269                 network->frequency = value;
1270         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1271                 network->wifi.channel = value;
1272
1273         return -EINVAL;
1274 }
1275
1276 /**
1277  * connman_network_get_uint16:
1278  * @network: network structure
1279  * @key: unique identifier
1280  *
1281  * Get integer value for specific key
1282  */
1283 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1284                                                         const char *key)
1285 {
1286         DBG("network %p key %s", network, key);
1287
1288         if (g_str_equal(key, "Frequency") == TRUE)
1289                 return network->frequency;
1290         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1291                 return network->wifi.channel;
1292
1293         return 0;
1294 }
1295
1296 /**
1297  * connman_network_set_blob:
1298  * @network: network structure
1299  * @key: unique identifier
1300  * @data: blob data
1301  * @size: blob size
1302  *
1303  * Set binary blob value for specific key
1304  */
1305 int connman_network_set_blob(struct connman_network *network,
1306                         const char *key, const void *data, unsigned int size)
1307 {
1308         DBG("network %p key %s size %d", network, key, size);
1309
1310         if (g_strcmp0(key, "Address") == 0)
1311                 return connman_network_set_address(network, data, size);
1312
1313         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1314                 g_free(network->wifi.ssid);
1315                 network->wifi.ssid = g_try_malloc(size);
1316                 if (network->wifi.ssid != NULL) {
1317                         memcpy(network->wifi.ssid, data, size);
1318                         network->wifi.ssid_len = size;
1319                 } else
1320                         network->wifi.ssid_len = 0;
1321         }
1322
1323         return connman_element_set_blob(&network->element, key, data, size);
1324 }
1325
1326 /**
1327  * connman_network_get_blob:
1328  * @network: network structure
1329  * @key: unique identifier
1330  * @size: pointer to blob size
1331  *
1332  * Get binary blob value for specific key
1333  */
1334 const void *connman_network_get_blob(struct connman_network *network,
1335                                         const char *key, unsigned int *size)
1336 {
1337         DBG("network %p key %s", network, key);
1338
1339         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1340                 if (size != NULL)
1341                         *size = network->wifi.ssid_len;
1342                 return network->wifi.ssid;
1343         }
1344
1345         return connman_element_get_blob(&network->element, key, size);
1346 }
1347
1348 void __connman_network_set_device(struct connman_network *network,
1349                                         struct connman_device *device)
1350 {
1351         network->device = device;
1352 }
1353
1354 /**
1355  * connman_network_get_device:
1356  * @network: network structure
1357  *
1358  * Get parent device of network
1359  */
1360 struct connman_device *connman_network_get_device(struct connman_network *network)
1361 {
1362         return network->device;
1363 }
1364
1365 /**
1366  * connman_network_get_data:
1367  * @network: network structure
1368  *
1369  * Get private network data pointer
1370  */
1371 void *connman_network_get_data(struct connman_network *network)
1372 {
1373         return network->driver_data;
1374 }
1375
1376 /**
1377  * connman_network_set_data:
1378  * @network: network structure
1379  * @data: data pointer
1380  *
1381  * Set private network data pointer
1382  */
1383 void connman_network_set_data(struct connman_network *network, void *data)
1384 {
1385         network->driver_data = data;
1386 }
1387
1388 static gboolean match_driver(struct connman_network *network,
1389                                         struct connman_network_driver *driver)
1390 {
1391         if (network->type == driver->type ||
1392                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1393                 return TRUE;
1394
1395         return FALSE;
1396 }
1397
1398 static int network_probe(struct connman_element *element)
1399 {
1400         struct connman_network *network = element->network;
1401         GSList *list;
1402         int err;
1403
1404         DBG("element %p name %s", element, element->name);
1405
1406         if (network == NULL)
1407                 return -ENODEV;
1408
1409         for (list = driver_list; list; list = list->next) {
1410                 struct connman_network_driver *driver = list->data;
1411
1412                 if (match_driver(network, driver) == FALSE)
1413                         continue;
1414
1415                 DBG("driver %p name %s", driver, driver->name);
1416
1417                 if (driver->probe(network) == 0) {
1418                         network->driver = driver;
1419                         break;
1420                 }
1421         }
1422
1423         if (network->driver == NULL)
1424                 return -ENODEV;
1425
1426         err = register_interface(element);
1427         if (err < 0) {
1428                 if (network->driver->remove)
1429                         network->driver->remove(network);
1430                 return err;
1431         }
1432
1433         switch (network->type) {
1434         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1435         case CONNMAN_NETWORK_TYPE_VENDOR:
1436                 break;
1437         case CONNMAN_NETWORK_TYPE_ETHERNET:
1438         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1439         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1440         case CONNMAN_NETWORK_TYPE_CELLULAR:
1441         case CONNMAN_NETWORK_TYPE_WIFI:
1442         case CONNMAN_NETWORK_TYPE_WIMAX:
1443                 if (network->group != NULL)
1444                         __connman_profile_add_network(network);
1445                 break;
1446         }
1447
1448         return 0;
1449 }
1450
1451 static void network_remove(struct connman_element *element)
1452 {
1453         struct connman_network *network = element->network;
1454
1455         DBG("element %p name %s", element, element->name);
1456
1457         if (network == NULL)
1458                 return;
1459
1460         if (network->driver == NULL)
1461                 return;
1462
1463         switch (network->type) {
1464         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1465         case CONNMAN_NETWORK_TYPE_VENDOR:
1466                 break;
1467         case CONNMAN_NETWORK_TYPE_ETHERNET:
1468         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1469         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1470         case CONNMAN_NETWORK_TYPE_CELLULAR:
1471         case CONNMAN_NETWORK_TYPE_WIFI:
1472         case CONNMAN_NETWORK_TYPE_WIMAX:
1473                 if (network->group != NULL) {
1474                         __connman_profile_remove_network(network);
1475
1476                         g_free(network->group);
1477                         network->group = NULL;
1478                 }
1479                 break;
1480         }
1481
1482         unregister_interface(element);
1483
1484         if (network->driver->remove)
1485                 network->driver->remove(network);
1486 }
1487
1488 static void network_change(struct connman_element *element)
1489 {
1490         struct connman_network *network = element->network;
1491
1492         DBG("element %p name %s", element, element->name);
1493
1494         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1495                 return;
1496
1497         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1498                 return;
1499
1500         if (network->connected == FALSE)
1501                 return;
1502
1503         connman_element_unregister_children(element);
1504
1505         connman_device_set_disconnected(network->device, TRUE);
1506
1507         if (network->driver && network->driver->disconnect) {
1508                 network->driver->disconnect(network);
1509                 return;
1510         }
1511
1512         network->connected = FALSE;
1513 }
1514
1515 static struct connman_driver network_driver = {
1516         .name           = "network",
1517         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1518         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1519         .probe          = network_probe,
1520         .remove         = network_remove,
1521         .change         = network_change,
1522 };
1523
1524 int __connman_network_init(void)
1525 {
1526         DBG("");
1527
1528         connection = connman_dbus_get_connection();
1529
1530         return connman_driver_register(&network_driver);
1531 }
1532
1533 void __connman_network_cleanup(void)
1534 {
1535         DBG("");
1536
1537         connman_driver_unregister(&network_driver);
1538
1539         dbus_connection_unref(connection);
1540 }