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 "connman.h"
  30
  31 static unsigned int hidden_counter = 0;
  32
  33 struct connman_network {
  34         struct connman_element element;
  35         enum connman_network_type type;
  36         connman_bool_t available;
  37         connman_bool_t connected;
  38         connman_bool_t roaming;
  39         connman_bool_t hidden;
  40         connman_uint8_t strength;
  41         connman_uint16_t frequency;
  42         char *identifier;
  43         char *address;
  44         char *name;
  45         char *node;
  46         char *group;
  47         struct connman_ipconfig *ipconfig;
  48
  49         struct connman_network_driver *driver;
  50         void *driver_data;
  51
  52         connman_bool_t connecting;
  53         connman_bool_t associating;
  54
  55         struct connman_device *device;
  56
  57         struct {
  58                 void *ssid;
  59                 int ssid_len;
  60                 char *mode;
  61                 unsigned short channel;
  62                 char *security;
  63                 char *passphrase;
  64                 char *eap;
  65                 char *identity;
  66                 char *ca_cert_path;
  67                 char *client_cert_path;
  68                 char *private_key_path;
  69                 char *private_key_passphrase;
  70                 char *phase2_auth;
  71         } wifi;
  72 };
  73
  74 static const char *type2string(enum connman_network_type type)
  75 {
  76         switch (type) {
  77         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  78         case CONNMAN_NETWORK_TYPE_VENDOR:
  79                 break;
  80         case CONNMAN_NETWORK_TYPE_ETHERNET:
  81                 return "ethernet";
  82         case CONNMAN_NETWORK_TYPE_WIFI:
  83                 return "wifi";
  84         case CONNMAN_NETWORK_TYPE_WIMAX:
  85                 return "wimax";
  86         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  87         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  88                 return "bluetooth";
  89         case CONNMAN_NETWORK_TYPE_CELLULAR:
  90                 return "cellular";
  91         }
  92
  93         return NULL;
  94 }
  95
  96 connman_bool_t __connman_network_has_driver(struct connman_network *network)
  97 {
  98         if (network == NULL || network->driver == NULL)
  99                 return FALSE;
 100
 101         return TRUE;
 102 }
 103
 104 static GSList *driver_list = NULL;
 105
 106 static gint compare_priority(gconstpointer a, gconstpointer b)
 107 {
 108         const struct connman_network_driver *driver1 = a;
 109         const struct connman_network_driver *driver2 = b;
 110
 111         return driver2->priority - driver1->priority;
 112 }
 113
 114 /**
 115  * connman_network_driver_register:
 116  * @driver: network driver definition
 117  *
 118  * Register a new network driver
 119  *
 120  * Returns: %0 on success
 121  */
 122 int connman_network_driver_register(struct connman_network_driver *driver)
 123 {
 124         GSList *list;
 125
 126         DBG("driver %p name %s", driver, driver->name);
 127
 128         for (list = driver_list; list; list = list->next) {
 129                 struct connman_network_driver *tmp = list->data;
 130
 131                 if (tmp->type == driver->type)
 132                         return -EALREADY;
 133
 134         }
 135
 136         driver_list = g_slist_insert_sorted(driver_list, driver,
 137                                                         compare_priority);
 138
 139         return 0;
 140 }
 141
 142 /**
 143  * connman_network_driver_unregister:
 144  * @driver: network driver definition
 145  *
 146  * Remove a previously registered network driver
 147  */
 148 void connman_network_driver_unregister(struct connman_network_driver *driver)
 149 {
 150         DBG("driver %p name %s", driver, driver->name);
 151
 152         driver_list = g_slist_remove(driver_list, driver);
 153 }
 154
 155 static void network_destruct(struct connman_element *element)
 156 {
 157         struct connman_network *network = element->network;
 158
 159         DBG("element %p name %s", element, element->name);
 160
 161         g_free(network->wifi.ssid);
 162         g_free(network->wifi.mode);
 163         g_free(network->wifi.security);
 164         g_free(network->wifi.passphrase);
 165
 166         g_free(network->group);
 167         g_free(network->node);
 168         g_free(network->name);
 169         g_free(network->address);
 170         g_free(network->identifier);
 171
 172         if (network->ipconfig) {
 173                 connman_ipconfig_unref(network->ipconfig);
 174                 network->ipconfig = NULL;
 175         }
 176
 177         network->device = NULL;
 178 }
 179
 180 /**
 181  * connman_network_create:
 182  * @identifier: network identifier (for example an unqiue name)
 183  *
 184  * Allocate a new network and assign the #identifier to it.
 185  *
 186  * Returns: a newly-allocated #connman_network structure
 187  */
 188 struct connman_network *connman_network_create(const char *identifier,
 189                                                 enum connman_network_type type)
 190 {
 191         struct connman_network *network;
 192         connman_uint8_t strength = 0;
 193         const char *str;
 194         char *temp;
 195
 196         DBG("identifier %s type %d", identifier, type);
 197
 198         network = g_try_new0(struct connman_network, 1);
 199         if (network == NULL)
 200                 return NULL;
 201
 202         DBG("network %p", network);
 203
 204         __connman_element_initialize(&network->element);
 205
 206         if (identifier == NULL) {
 207                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 208                 network->hidden = TRUE;
 209         } else
 210                 temp = g_strdup(identifier);
 211
 212         if (temp == NULL) {
 213                 g_free(network);
 214                 return NULL;
 215         }
 216
 217         network->element.name = temp;
 218         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 219
 220         network->element.network = network;
 221         network->element.destruct = network_destruct;
 222
 223         str = type2string(type);
 224         if (str != NULL)
 225                 connman_element_set_string(&network->element, "Type", str);
 226
 227         connman_element_set_uint8(&network->element, "Strength", strength);
 228
 229         network->type       = type;
 230         network->identifier = g_strdup(temp);
 231
 232         return network;
 233 }
 234
 235 /**
 236  * connman_network_ref:
 237  * @network: network structure
 238  *
 239  * Increase reference counter of  network
 240  */
 241 struct connman_network *connman_network_ref(struct connman_network *network)
 242 {
 243         if (connman_element_ref(&network->element) == NULL)
 244                 return NULL;
 245
 246         return network;
 247 }
 248
 249 /**
 250  * connman_network_unref:
 251  * @network: network structure
 252  *
 253  * Decrease reference counter of network
 254  */
 255 void connman_network_unref(struct connman_network *network)
 256 {
 257         connman_element_unref(&network->element);
 258 }
 259
 260 const char *__connman_network_get_type(struct connman_network *network)
 261 {
 262         return type2string(network->type);
 263 }
 264
 265 /**
 266  * connman_network_get_type:
 267  * @network: network structure
 268  *
 269  * Get type of network
 270  */
 271 enum connman_network_type connman_network_get_type(struct connman_network *network)
 272 {
 273         return network->type;
 274 }
 275
 276 /**
 277  * connman_network_get_identifier:
 278  * @network: network structure
 279  *
 280  * Get identifier of network
 281  */
 282 const char *connman_network_get_identifier(struct connman_network *network)
 283 {
 284         return network->identifier;
 285 }
 286
 287 /**
 288  * connman_network_get_path:
 289  * @network: network structure
 290  *
 291  * Get path name of network
 292  */
 293 const char *connman_network_get_path(struct connman_network *network)
 294 {
 295         return network->element.path;
 296 }
 297
 298 /**
 299  * connman_network_set_index:
 300  * @network: network structure
 301  * @index: index number
 302  *
 303  * Set index number of network
 304  */
 305 void connman_network_set_index(struct connman_network *network, int index)
 306 {
 307         struct connman_service *service;
 308         struct connman_ipconfig *ipconfig;
 309
 310         service = __connman_service_lookup_from_network(network);
 311         if (service == NULL)
 312                 goto done;
 313
 314         ipconfig = __connman_service_get_ipconfig(service);
 315
 316         if (network->element.index < 0 && ipconfig == NULL)
 317                 /*
 318                  * This is needed for plugins that havent set their ipconfig
 319                  * layer yet, due to not being able to get a network index
 320                  * prior to creating a service.
 321                  */
 322                 __connman_service_create_ipconfig(service, index);
 323         else {
 324                 /* If index changed, the index of ipconfig must be reset. */
 325                 if (ipconfig == NULL)
 326                         goto done;
 327
 328                 __connman_ipconfig_set_index(ipconfig, index);
 329         }
 330
 331 done:
 332         network->element.index = index;
 333 }
 334
 335 /**
 336  * connman_network_get_index:
 337  * @network: network structure
 338  *
 339  * Get index number of network
 340  */
 341 int connman_network_get_index(struct connman_network *network)
 342 {
 343         return network->element.index;
 344 }
 345
 346 /**
 347  * connman_network_get_element:
 348  * @network: network structure
 349  *
 350  * Get connman_element of network
 351  */
 352 struct connman_element *connman_network_get_element(
 353                                 struct connman_network *network)
 354 {
 355         return &network->element;
 356 }
 357
 358 /**
 359  * connman_network_set_group:
 360  * @network: network structure
 361  * @group: group name
 362  *
 363  * Set group name for automatic clustering
 364  */
 365 void connman_network_set_group(struct connman_network *network,
 366                                                         const char *group)
 367 {
 368         switch (network->type) {
 369         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 370         case CONNMAN_NETWORK_TYPE_VENDOR:
 371                 return;
 372         case CONNMAN_NETWORK_TYPE_ETHERNET:
 373         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 374         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 375         case CONNMAN_NETWORK_TYPE_CELLULAR:
 376         case CONNMAN_NETWORK_TYPE_WIFI:
 377         case CONNMAN_NETWORK_TYPE_WIMAX:
 378                 break;
 379         }
 380
 381         if (g_strcmp0(network->group, group) == 0) {
 382                 if (group != NULL)
 383                         __connman_profile_update_network(network);
 384                 return;
 385         }
 386
 387         if (network->group != NULL) {
 388                 __connman_profile_remove_network(network);
 389
 390                 g_free(network->group);
 391         }
 392
 393         network->group = g_strdup(group);
 394
 395         if (network->group != NULL)
 396                         __connman_profile_add_network(network);
 397 }
 398
 399 /**
 400  * connman_network_get_group:
 401  * @network: network structure
 402  *
 403  * Get group name for automatic clustering
 404  */
 405 const char *connman_network_get_group(struct connman_network *network)
 406 {
 407         return network->group;
 408 }
 409
 410 const char *__connman_network_get_ident(struct connman_network *network)
 411 {
 412         if (network->device == NULL)
 413                 return NULL;
 414
 415         return connman_device_get_ident(network->device);
 416 }
 417
 418 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 419 {
 420         switch (network->type) {
 421         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 422         case CONNMAN_NETWORK_TYPE_VENDOR:
 423         case CONNMAN_NETWORK_TYPE_ETHERNET:
 424         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 425         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 426         case CONNMAN_NETWORK_TYPE_CELLULAR:
 427         case CONNMAN_NETWORK_TYPE_WIMAX:
 428                 break;
 429         case CONNMAN_NETWORK_TYPE_WIFI:
 430                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 431                         return TRUE;
 432                 if (network->strength > 0 && network->strength < 20)
 433                         return TRUE;
 434                 break;
 435         }
 436
 437         return FALSE;
 438 }
 439
 440 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 441 {
 442         return network->connecting;
 443 }
 444
 445 /**
 446  * connman_network_set_available:
 447  * @network: network structure
 448  * @available: availability state
 449  *
 450  * Change availability state of network (in range)
 451  */
 452 int connman_network_set_available(struct connman_network *network,
 453                                                 connman_bool_t available)
 454 {
 455         DBG("network %p available %d", network, available);
 456
 457         if (network->available == available)
 458                 return -EALREADY;
 459
 460         network->available = available;
 461
 462         return 0;
 463 }
 464
 465 /**
 466  * connman_network_get_available:
 467  * @network: network structure
 468  *
 469  * Get network available setting
 470  */
 471 connman_bool_t connman_network_get_available(struct connman_network *network)
 472 {
 473         if (network->hidden == TRUE)
 474                 return TRUE;
 475
 476         return network->available;
 477 }
 478
 479 /**
 480  * connman_network_set_associating:
 481  * @network: network structure
 482  * @associating: associating state
 483  *
 484  * Change associating state of network
 485  */
 486 int connman_network_set_associating(struct connman_network *network,
 487                                                 connman_bool_t associating)
 488 {
 489         DBG("network %p associating %d", network, associating);
 490
 491         if (network->associating == associating)
 492                 return -EALREADY;
 493
 494         network->associating = associating;
 495
 496         if (associating == TRUE) {
 497                 struct connman_service *service;
 498
 499                 service = __connman_service_lookup_from_network(network);
 500                 __connman_service_indicate_state(service,
 501                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 502         }
 503
 504         return 0;
 505 }
 506
 507 static void set_associate_error(struct connman_network *network)
 508 {
 509         struct connman_service *service;
 510
 511         if (network->associating == FALSE)
 512                 return ;
 513
 514         network->associating = FALSE;
 515
 516         service = __connman_service_lookup_from_network(network);
 517
 518         __connman_service_indicate_state(service,
 519                                         CONNMAN_SERVICE_STATE_FAILURE);
 520 }
 521
 522 static void set_configure_error(struct connman_network *network)
 523 {
 524         struct connman_service *service;
 525
 526         network->connecting = FALSE;
 527
 528         service = __connman_service_lookup_from_network(network);
 529
 530         __connman_service_indicate_state(service,
 531                                         CONNMAN_SERVICE_STATE_FAILURE);
 532 }
 533
 534 void connman_network_set_method(struct connman_network *network,
 535                                         enum connman_ipconfig_method method)
 536 {
 537         struct connman_service *service;
 538         struct connman_ipconfig *ipconfig;
 539
 540         network->element.ipv4.method = method;
 541
 542         service = __connman_service_lookup_from_network(network);
 543         if (service == NULL)
 544                 return;
 545
 546         ipconfig = __connman_service_get_ipconfig(service);
 547         if (ipconfig == NULL)
 548                 return;
 549
 550         connman_ipconfig_set_method(ipconfig, method);
 551 }
 552
 553 void connman_network_set_error(struct connman_network *network,
 554                                         enum connman_network_error error)
 555 {
 556         DBG("nework %p, error %d", network, error);
 557
 558         network->connecting = FALSE;
 559
 560         switch (error) {
 561         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 562                 return;
 563         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 564                 set_associate_error(network);
 565                 break;
 566         case CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL:
 567                 set_configure_error(network);
 568                 break;
 569         }
 570 }
 571
 572 static void set_configuration(struct connman_network *network)
 573 {
 574         struct connman_service *service;
 575
 576         DBG("network %p", network);
 577
 578         __connman_device_increase_connections(network->device);
 579
 580         __connman_device_set_network(network->device, network);
 581
 582         connman_device_set_disconnected(network->device, FALSE);
 583
 584         service = __connman_service_lookup_from_network(network);
 585         __connman_service_indicate_state(service,
 586                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 587 }
 588
 589 static int set_connected_fixed(struct connman_network *network)
 590 {
 591         struct connman_service *service;
 592         struct connman_element *parent, *element;
 593
 594         DBG("");
 595
 596         service = __connman_service_lookup_from_network(network);
 597
 598         parent = connman_network_get_element(network);
 599
 600         set_configuration(network);
 601
 602         if (parent->ipv4.address == NULL)
 603                 return -EINVAL;
 604
 605         if (parent->ipv4.netmask == NULL)
 606                 return -EINVAL;
 607
 608         element = connman_element_create(NULL);
 609         if (element == NULL) {
 610                 connman_error("Can not create connman_element");
 611                 return -ENOMEM;
 612         }
 613
 614         element->type = CONNMAN_ELEMENT_TYPE_IPV4;
 615         element->index = parent->index;
 616
 617         if (connman_element_register(element, parent) < 0) {
 618                 connman_error("Can not register connman_element");
 619                 return -EINVAL;
 620         }
 621
 622         network->connecting = FALSE;
 623
 624         connman_network_set_associating(network, FALSE);
 625
 626         return 0;
 627 }
 628
 629 static void set_connected_manual(struct connman_network *network)
 630 {
 631         struct connman_service *service;
 632         struct connman_ipconfig *ipconfig;
 633         const char *nameserver = NULL;
 634         int err;
 635
 636         DBG("network %p", network);
 637
 638         service = __connman_service_lookup_from_network(network);
 639
 640         ipconfig = __connman_service_get_ipconfig(service);
 641
 642         set_configuration(network);
 643
 644         err = __connman_ipconfig_set_address(ipconfig);
 645         if (err < 0) {
 646                 connman_network_set_error(network,
 647                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 648                 return;
 649         }
 650
 651         connman_element_get_value(&network->element,
 652                         CONNMAN_PROPERTY_ID_IPV4_NAMESERVER, &nameserver);
 653         if (nameserver != NULL)
 654                 __connman_service_append_nameserver(service, nameserver);
 655
 656         __connman_ipconfig_set_gateway(ipconfig, &network->element);
 657
 658         network->connecting = FALSE;
 659
 660         connman_network_set_associating(network, FALSE);
 661
 662         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 663 }
 664
 665 static int set_connected_dhcp(struct connman_network *network)
 666 {
 667         struct connman_element *element;
 668         int error;
 669
 670         DBG("network %p", network);
 671
 672         element = connman_element_create(NULL);
 673         if (element == NULL)
 674                 return -ENOMEM;
 675
 676         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 677         element->index = network->element.index;
 678
 679         error = connman_element_register(element, &network->element);
 680         if (error < 0) {
 681                 connman_element_unref(element);
 682                 return error;
 683         }
 684
 685         set_configuration(network);
 686
 687         return 0;
 688 }
 689
 690 static int manual_ipv6_set(struct connman_network *network,
 691                                 struct connman_ipconfig *ipconfig_ipv6)
 692 {
 693         struct connman_service *service;
 694         int err;
 695
 696         service = __connman_service_lookup_from_network(network);
 697         if (service == NULL)
 698                 return -EINVAL;
 699
 700         err = __connman_ipconfig_set_address(ipconfig_ipv6);
 701         if (err < 0) {
 702                 connman_network_set_error(network,
 703                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 704                 return err;
 705         }
 706
 707         /*
 708          * READY state will be indicated by IPV4 setting
 709          * gateway will be set by IPV4 setting
 710          */
 711
 712         return 0;
 713 }
 714
 715 static gboolean set_connected(gpointer user_data)
 716 {
 717         struct connman_network *network = user_data;
 718         struct connman_service *service;
 719         struct connman_ipconfig *ipconfig;
 720         enum connman_ipconfig_method method;
 721
 722         service = __connman_service_lookup_from_network(network);
 723
 724         ipconfig = __connman_service_get_ipconfig(service);
 725
 726         method = __connman_ipconfig_get_method(ipconfig);
 727
 728         DBG("method %d", method);
 729
 730         if (network->connected == TRUE) {
 731                 enum connman_ipconfig_method ipv6_method;
 732                 struct connman_ipconfig *ipv6config;
 733                 int ret;
 734
 735                 ipv6config = connman_ipconfig_get_ipv6config(ipconfig);
 736                 ipv6_method = __connman_ipconfig_get_method(ipv6config);
 737                 switch (ipv6_method) {
 738                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 739                 case CONNMAN_IPCONFIG_METHOD_OFF:
 740                         break;
 741                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 742                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 743                         ret = manual_ipv6_set(network, ipv6config);
 744                         if (ret != 0) {
 745                                 connman_network_set_error(network,
 746                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 747                                 return FALSE;
 748                         }
 749                         break;
 750                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 751                         break;
 752                 }
 753
 754                 switch (method) {
 755                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 756                 case CONNMAN_IPCONFIG_METHOD_OFF:
 757                         return FALSE;
 758                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 759                         if (set_connected_fixed(network) < 0) {
 760                                 connman_network_set_error(network,
 761                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 762                                 return FALSE;
 763                         }
 764                         return TRUE;
 765                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 766                         set_connected_manual(network);
 767                         return TRUE;
 768                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 769                         if (set_connected_dhcp(network) < 0) {
 770                                 connman_network_set_error(network,
 771                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 772                                 return FALSE;
 773                         }
 774                 }
 775
 776         } else {
 777                 struct connman_service *service;
 778
 779                 connman_element_unregister_children(&network->element);
 780
 781                 __connman_device_set_network(network->device, NULL);
 782                 network->hidden = FALSE;
 783
 784                 __connman_device_decrease_connections(network->device);
 785
 786                 service = __connman_service_lookup_from_network(network);
 787
 788                 __connman_service_indicate_state(service,
 789                                                 CONNMAN_SERVICE_STATE_IDLE);
 790         }
 791
 792         network->connecting = FALSE;
 793
 794         connman_network_set_associating(network, FALSE);
 795
 796         return FALSE;
 797 }
 798
 799 /**
 800  * connman_network_set_connected:
 801  * @network: network structure
 802  * @connected: connected state
 803  *
 804  * Change connected state of network
 805  */
 806 int connman_network_set_connected(struct connman_network *network,
 807                                                 connman_bool_t connected)
 808 {
 809         DBG("network %p connected %d", network, connected);
 810
 811         if ((network->connecting == TRUE || network->associating == TRUE) &&
 812                                                         connected == FALSE) {
 813                 connman_element_set_error(&network->element,
 814                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 815                 __connman_network_disconnect(network);
 816         }
 817
 818         if (network->connected == connected)
 819                 return -EALREADY;
 820
 821         network->connected = connected;
 822
 823         set_connected(network);
 824
 825         return 0;
 826 }
 827
 828 /**
 829  * connman_network_get_connected:
 830  * @network: network structure
 831  *
 832  * Get network connection status
 833  */
 834 connman_bool_t connman_network_get_connected(struct connman_network *network)
 835 {
 836         return network->connected;
 837 }
 838
 839 /**
 840  * connman_network_get_associating:
 841  * @network: network structure
 842  *
 843  * Get network associating status
 844  */
 845 connman_bool_t connman_network_get_associating(struct connman_network *network)
 846 {
 847         return network->associating;
 848 }
 849
 850 /**
 851  * __connman_network_connect:
 852  * @network: network structure
 853  *
 854  * Connect network
 855  */
 856 int __connman_network_connect(struct connman_network *network)
 857 {
 858         struct connman_service *service;
 859         int err;
 860
 861         DBG("network %p", network);
 862
 863         if (network->connected == TRUE)
 864                 return -EISCONN;
 865
 866         if (network->connecting == TRUE || network->associating == TRUE)
 867                 return -EALREADY;
 868
 869         if (network->driver == NULL)
 870                 return -EUNATCH;
 871
 872         if (network->driver->connect == NULL)
 873                 return -ENOSYS;
 874
 875         if (network->device == NULL)
 876                 return -ENODEV;
 877
 878         __connman_device_disconnect(network->device);
 879
 880         network->connecting = TRUE;
 881
 882         service = __connman_service_lookup_from_network(network);
 883
 884         err = network->driver->connect(network);
 885         if (err < 0) {
 886                 if (err == -EINPROGRESS)
 887                         connman_network_set_associating(network, TRUE);
 888                 else {
 889                         network->connecting = FALSE;
 890                         network->hidden = FALSE;
 891                 }
 892
 893                 return err;
 894         }
 895
 896         network->connected = TRUE;
 897         set_connected(network);
 898
 899         return err;
 900 }
 901
 902 /**
 903  * __connman_network_disconnect:
 904  * @network: network structure
 905  *
 906  * Disconnect network
 907  */
 908 int __connman_network_disconnect(struct connman_network *network)
 909 {
 910         int err;
 911
 912         DBG("network %p", network);
 913
 914         if (network->connected == FALSE && network->connecting == FALSE &&
 915                                                 network->associating == FALSE)
 916                 return -ENOTCONN;
 917
 918         if (network->driver == NULL)
 919                 return -EUNATCH;
 920
 921         if (network->driver->disconnect == NULL)
 922                 return -ENOSYS;
 923
 924         network->connecting = FALSE;
 925
 926         err = network->driver->disconnect(network);
 927         if (err == 0) {
 928                 connman_network_set_connected(network, FALSE);
 929                 set_connected(network);
 930         }
 931
 932         return err;
 933 }
 934
 935 static int dhcp_start(struct connman_network *network)
 936 {
 937         struct connman_element *element;
 938         int error;
 939
 940         element = connman_element_create(NULL);
 941         if (element == NULL)
 942                 return -ENOMEM;
 943
 944         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 945         element->index = network->element.index;
 946
 947         error = connman_element_register(element, &network->element);
 948         if (error < 0) {
 949                 connman_element_unref(element);
 950                 return error;
 951         }
 952
 953         return 0;
 954 }
 955
 956 static int dhcp_stop(struct connman_network *network)
 957 {
 958         connman_element_unregister_children_type(&network->element,
 959                                         CONNMAN_ELEMENT_TYPE_CONNECTION);
 960         connman_element_unregister_children_type(&network->element,
 961                                                 CONNMAN_ELEMENT_TYPE_IPV4);
 962         connman_element_unregister_children_type(&network->element,
 963                                                 CONNMAN_ELEMENT_TYPE_DHCP);
 964
 965         return 0;
 966 }
 967
 968 static int manual_ipv4_set(struct connman_network *network,
 969                                 struct connman_ipconfig *ipconfig)
 970 {
 971         struct connman_service *service;
 972         int err;
 973
 974         service = __connman_service_lookup_from_network(network);
 975         if (service == NULL)
 976                 return -EINVAL;
 977
 978         err = __connman_ipconfig_set_address(ipconfig);
 979         if (err < 0) {
 980                 connman_network_set_error(network,
 981                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 982                 return err;
 983         }
 984
 985         __connman_ipconfig_set_gateway(ipconfig, &network->element);
 986
 987         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 988
 989         return 0;
 990 }
 991
 992 int __connman_network_clear_ipconfig(struct connman_network *network,
 993                                         struct connman_ipconfig *ipconfig)
 994 {
 995         struct connman_service *service;
 996         enum connman_ipconfig_method method;
 997
 998         service = __connman_service_lookup_from_network(network);
 999         if (service == NULL)
1000                 return -EINVAL;
1001
1002         method = __connman_ipconfig_get_method(ipconfig);
1003
1004         switch (method) {
1005         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1006         case CONNMAN_IPCONFIG_METHOD_OFF:
1007         case CONNMAN_IPCONFIG_METHOD_FIXED:
1008                 return -EINVAL;
1009         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1010                 connman_element_unregister_children_type(&network->element,
1011                                         CONNMAN_ELEMENT_TYPE_CONNECTION);
1012                 __connman_ipconfig_clear_address(ipconfig);
1013                 break;
1014         case CONNMAN_IPCONFIG_METHOD_DHCP:
1015                 dhcp_stop(network);
1016                 break;
1017         }
1018
1019         __connman_service_indicate_state(service,
1020                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
1021
1022         return 0;
1023 }
1024
1025 int __connman_network_set_ipconfig(struct connman_network *network,
1026                                         struct connman_ipconfig *ipconfig)
1027 {
1028         struct connman_ipconfig *ipv6config;
1029         enum connman_ipconfig_method method;
1030         int ret;
1031
1032         ipv6config = connman_ipconfig_get_ipv6config(ipconfig);
1033         method = __connman_ipconfig_get_method(ipv6config);
1034         switch (method) {
1035         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1036         case CONNMAN_IPCONFIG_METHOD_OFF:
1037                 break;
1038         case CONNMAN_IPCONFIG_METHOD_FIXED:
1039         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1040                 ret = manual_ipv6_set(network, ipv6config);
1041                 if (ret != 0) {
1042                         connman_network_set_error(network,
1043                                 CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1044                         return FALSE;
1045                 }
1046                 break;
1047         case CONNMAN_IPCONFIG_METHOD_DHCP:
1048                 break;
1049         }
1050
1051         method = __connman_ipconfig_get_method(ipconfig);
1052
1053         switch (method) {
1054         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1055         case CONNMAN_IPCONFIG_METHOD_OFF:
1056         case CONNMAN_IPCONFIG_METHOD_FIXED:
1057                 return -EINVAL;
1058         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1059                 return manual_ipv4_set(network, ipconfig);
1060         case CONNMAN_IPCONFIG_METHOD_DHCP:
1061                 return dhcp_start(network);
1062         }
1063
1064         return 0;
1065 }
1066
1067 /**
1068  * connman_network_set_address:
1069  * @network: network structure
1070  * @address: binary address value
1071  * @size: binary address length
1072  *
1073  * Set unique address value for network
1074  */
1075 int connman_network_set_address(struct connman_network *network,
1076                                 const void *address, unsigned int size)
1077 {
1078         const unsigned char *addr_octet = address;
1079         char *str;
1080
1081         DBG("network %p size %d", network, size);
1082
1083         if (size != 6)
1084                 return -EINVAL;
1085
1086         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
1087                                 addr_octet[0], addr_octet[1], addr_octet[2],
1088                                 addr_octet[3], addr_octet[4], addr_octet[5]);
1089         if (str == NULL)
1090                 return -ENOMEM;
1091
1092         g_free(network->address);
1093         network->address = str;
1094
1095         return connman_element_set_string(&network->element,
1096                                                 "Address", network->address);
1097 }
1098
1099 /**
1100  * connman_network_set_name:
1101  * @network: network structure
1102  * @name: name value
1103  *
1104  * Set display name value for network
1105  */
1106 int connman_network_set_name(struct connman_network *network,
1107                                                         const char *name)
1108 {
1109         DBG("network %p name %s", network, name);
1110
1111         g_free(network->name);
1112         network->name = g_strdup(name);
1113
1114         return connman_element_set_string(&network->element, "Name", name);
1115 }
1116
1117 /**
1118  * connman_network_set_strength:
1119  * @network: network structure
1120  * @strength: strength value
1121  *
1122  * Set signal strength value for network
1123  */
1124 int connman_network_set_strength(struct connman_network *network,
1125                                                 connman_uint8_t strength)
1126 {
1127         DBG("network %p strengh %d", network, strength);
1128
1129         network->strength = strength;
1130
1131         return connman_element_set_uint8(&network->element,
1132                                                 "Strength", strength);
1133 }
1134
1135 /**
1136  * connman_network_set_roaming:
1137  * @network: network structure
1138  * @roaming: roaming state
1139  *
1140  * Set roaming state for network
1141  */
1142 int connman_network_set_roaming(struct connman_network *network,
1143                                                 connman_bool_t roaming)
1144 {
1145         DBG("network %p roaming %d", network, roaming);
1146
1147         network->roaming = roaming;
1148
1149         return connman_element_set_bool(&network->element,
1150                                                 "Roaming", roaming);
1151 }
1152
1153 /**
1154  * connman_network_set_string:
1155  * @network: network structure
1156  * @key: unique identifier
1157  * @value: string value
1158  *
1159  * Set string value for specific key
1160  */
1161 int connman_network_set_string(struct connman_network *network,
1162                                         const char *key, const char *value)
1163 {
1164         int err;
1165
1166         DBG("network %p key %s value %s", network, key, value);
1167
1168         if (g_strcmp0(key, "Name") == 0)
1169                 return connman_network_set_name(network, value);
1170
1171         if (g_str_equal(key, "Address") == TRUE) {
1172                 g_free(network->address);
1173                 network->address = g_strdup(value);
1174         } else if (g_str_equal(key, "Node") == TRUE) {
1175                 g_free(network->node);
1176                 network->node = g_strdup(value);
1177         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1178                 g_free(network->wifi.mode);
1179                 network->wifi.mode = g_strdup(value);
1180         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1181                 g_free(network->wifi.security);
1182                 network->wifi.security = g_strdup(value);
1183         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1184                 g_free(network->wifi.passphrase);
1185                 network->wifi.passphrase = g_strdup(value);
1186         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1187                 g_free(network->wifi.eap);
1188                 network->wifi.eap = g_strdup(value);
1189         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1190                 g_free(network->wifi.identity);
1191                 network->wifi.identity = g_strdup(value);
1192         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1193                 g_free(network->wifi.ca_cert_path);
1194                 network->wifi.ca_cert_path = g_strdup(value);
1195         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1196                 g_free(network->wifi.client_cert_path);
1197                 network->wifi.client_cert_path = g_strdup(value);
1198         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1199                 g_free(network->wifi.private_key_path);
1200                 network->wifi.private_key_path = g_strdup(value);
1201         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1202                 g_free(network->wifi.private_key_passphrase);
1203                 network->wifi.private_key_passphrase = g_strdup(value);
1204         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1205                 g_free(network->wifi.phase2_auth);
1206                 network->wifi.phase2_auth = g_strdup(value);
1207         }
1208
1209         err = connman_element_set_string(&network->element, key, value);
1210         if (err < 0)
1211                 return err;
1212
1213         if (network->driver == NULL)
1214                 return 0;
1215
1216         if (network->driver->setup)
1217                 return network->driver->setup(network, key);
1218
1219         return 0;
1220 }
1221
1222 /**
1223  * connman_network_get_string:
1224  * @network: network structure
1225  * @key: unique identifier
1226  *
1227  * Get string value for specific key
1228  */
1229 const char *connman_network_get_string(struct connman_network *network,
1230                                                         const char *key)
1231 {
1232         DBG("network %p key %s", network, key);
1233
1234         if (g_str_equal(key, "Address") == TRUE)
1235                 return network->address;
1236         else if (g_str_equal(key, "Name") == TRUE)
1237                 return network->name;
1238         else if (g_str_equal(key, "Node") == TRUE)
1239                 return network->node;
1240         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1241                 return network->wifi.mode;
1242         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1243                 return network->wifi.security;
1244         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1245                 return network->wifi.passphrase;
1246         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1247                 return network->wifi.eap;
1248         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1249                 return network->wifi.identity;
1250         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1251                 return network->wifi.ca_cert_path;
1252         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1253                 return network->wifi.client_cert_path;
1254         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1255                 return network->wifi.private_key_path;
1256         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1257                 return network->wifi.private_key_passphrase;
1258         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1259                 return network->wifi.phase2_auth;
1260
1261         return connman_element_get_string(&network->element, key);
1262 }
1263
1264 /**
1265  * connman_network_set_passphrase:
1266  * @network: network structure
1267  * @passphrase: network passphrase
1268  *
1269  * Set network passphrase.
1270  * If the network is linked to a service, the latter gets his passphrase
1271  * set as well.
1272  */
1273 int connman_network_set_passphrase(struct connman_network *network,
1274                                                 const char* passphrase)
1275 {
1276         struct connman_service *service;
1277
1278         service = __connman_service_lookup_from_network(network);
1279         if (service == NULL) {
1280                 connman_network_set_string(network, "WiFi.Passphrase",
1281                                                 passphrase);
1282
1283                 return 0;
1284         }
1285
1286         __connman_service_set_passphrase(service, passphrase);
1287
1288         return 0;
1289 }
1290
1291
1292 /**
1293  * connman_network_set_bool:
1294  * @network: network structure
1295  * @key: unique identifier
1296  * @value: boolean value
1297  *
1298  * Set boolean value for specific key
1299  */
1300 int connman_network_set_bool(struct connman_network *network,
1301                                         const char *key, connman_bool_t value)
1302 {
1303         DBG("network %p key %s value %d", network, key, value);
1304
1305         if (g_strcmp0(key, "Roaming") == 0)
1306                 return connman_network_set_roaming(network, value);
1307
1308         return connman_element_set_bool(&network->element, key, value);
1309 }
1310
1311 /**
1312  * connman_network_get_bool:
1313  * @network: network structure
1314  * @key: unique identifier
1315  *
1316  * Get boolean value for specific key
1317  */
1318 connman_bool_t connman_network_get_bool(struct connman_network *network,
1319                                                         const char *key)
1320 {
1321         DBG("network %p key %s", network, key);
1322
1323         if (g_str_equal(key, "Roaming") == TRUE)
1324                 return network->roaming;
1325
1326         return connman_element_get_bool(&network->element, key);
1327 }
1328
1329 /**
1330  * connman_network_set_uint8:
1331  * @network: network structure
1332  * @key: unique identifier
1333  * @value: integer value
1334  *
1335  * Set integer value for specific key
1336  */
1337 int connman_network_set_uint8(struct connman_network *network,
1338                                         const char *key, connman_uint8_t value)
1339 {
1340         DBG("network %p key %s value %d", network, key, value);
1341
1342         if (g_strcmp0(key, "Strength") == 0)
1343                 return connman_network_set_strength(network, value);
1344
1345         return connman_element_set_uint8(&network->element, key, value);
1346 }
1347
1348 /**
1349  * connman_network_get_uint8:
1350  * @network: network structure
1351  * @key: unique identifier
1352  *
1353  * Get integer value for specific key
1354  */
1355 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1356                                                         const char *key)
1357 {
1358         DBG("network %p key %s", network, key);
1359
1360         if (g_str_equal(key, "Strength") == TRUE)
1361                 return network->strength;
1362
1363         return connman_element_get_uint8(&network->element, key);
1364 }
1365
1366 /**
1367  * connman_network_set_uint16:
1368  * @network: network structure
1369  * @key: unique identifier
1370  * @value: integer value
1371  *
1372  * Set integer value for specific key
1373  */
1374 int connman_network_set_uint16(struct connman_network *network,
1375                                 const char *key, connman_uint16_t value)
1376 {
1377         DBG("network %p key %s value %d", network, key, value);
1378
1379         if (g_str_equal(key, "Frequency") == TRUE)
1380                 network->frequency = value;
1381         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1382                 network->wifi.channel = value;
1383
1384         return -EINVAL;
1385 }
1386
1387 /**
1388  * connman_network_get_uint16:
1389  * @network: network structure
1390  * @key: unique identifier
1391  *
1392  * Get integer value for specific key
1393  */
1394 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1395                                                         const char *key)
1396 {
1397         DBG("network %p key %s", network, key);
1398
1399         if (g_str_equal(key, "Frequency") == TRUE)
1400                 return network->frequency;
1401         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1402                 return network->wifi.channel;
1403
1404         return 0;
1405 }
1406
1407 /**
1408  * connman_network_set_blob:
1409  * @network: network structure
1410  * @key: unique identifier
1411  * @data: blob data
1412  * @size: blob size
1413  *
1414  * Set binary blob value for specific key
1415  */
1416 int connman_network_set_blob(struct connman_network *network,
1417                         const char *key, const void *data, unsigned int size)
1418 {
1419         DBG("network %p key %s size %d", network, key, size);
1420
1421         if (g_strcmp0(key, "Address") == 0)
1422                 return connman_network_set_address(network, data, size);
1423
1424         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1425                 g_free(network->wifi.ssid);
1426                 network->wifi.ssid = g_try_malloc(size);
1427                 if (network->wifi.ssid != NULL) {
1428                         memcpy(network->wifi.ssid, data, size);
1429                         network->wifi.ssid_len = size;
1430                 } else
1431                         network->wifi.ssid_len = 0;
1432         }
1433
1434         return connman_element_set_blob(&network->element, key, data, size);
1435 }
1436
1437 /**
1438  * connman_network_get_blob:
1439  * @network: network structure
1440  * @key: unique identifier
1441  * @size: pointer to blob size
1442  *
1443  * Get binary blob value for specific key
1444  */
1445 const void *connman_network_get_blob(struct connman_network *network,
1446                                         const char *key, unsigned int *size)
1447 {
1448         DBG("network %p key %s", network, key);
1449
1450         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1451                 if (size != NULL)
1452                         *size = network->wifi.ssid_len;
1453                 return network->wifi.ssid;
1454         }
1455
1456         return connman_element_get_blob(&network->element, key, size);
1457 }
1458
1459 void __connman_network_set_device(struct connman_network *network,
1460                                         struct connman_device *device)
1461 {
1462         network->device = device;
1463 }
1464
1465 /**
1466  * connman_network_get_device:
1467  * @network: network structure
1468  *
1469  * Get parent device of network
1470  */
1471 struct connman_device *connman_network_get_device(struct connman_network *network)
1472 {
1473         return network->device;
1474 }
1475
1476 /**
1477  * connman_network_get_data:
1478  * @network: network structure
1479  *
1480  * Get private network data pointer
1481  */
1482 void *connman_network_get_data(struct connman_network *network)
1483 {
1484         return network->driver_data;
1485 }
1486
1487 /**
1488  * connman_network_set_data:
1489  * @network: network structure
1490  * @data: data pointer
1491  *
1492  * Set private network data pointer
1493  */
1494 void connman_network_set_data(struct connman_network *network, void *data)
1495 {
1496         network->driver_data = data;
1497 }
1498
1499 void connman_network_update(struct connman_network *network)
1500 {
1501         switch (network->type) {
1502         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1503         case CONNMAN_NETWORK_TYPE_VENDOR:
1504                 return;
1505         case CONNMAN_NETWORK_TYPE_ETHERNET:
1506         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1507         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1508         case CONNMAN_NETWORK_TYPE_CELLULAR:
1509         case CONNMAN_NETWORK_TYPE_WIFI:
1510         case CONNMAN_NETWORK_TYPE_WIMAX:
1511                 break;
1512         }
1513
1514         if (network->group != NULL)
1515                 __connman_service_update_from_network(network);
1516
1517         return;
1518 }
1519
1520 static gboolean match_driver(struct connman_network *network,
1521                                         struct connman_network_driver *driver)
1522 {
1523         if (network->type == driver->type ||
1524                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1525                 return TRUE;
1526
1527         return FALSE;
1528 }
1529
1530 static int network_probe(struct connman_element *element)
1531 {
1532         struct connman_network *network = element->network;
1533         GSList *list;
1534
1535         DBG("element %p name %s", element, element->name);
1536
1537         if (network == NULL)
1538                 return -ENODEV;
1539
1540         for (list = driver_list; list; list = list->next) {
1541                 struct connman_network_driver *driver = list->data;
1542
1543                 if (match_driver(network, driver) == FALSE)
1544                         continue;
1545
1546                 DBG("driver %p name %s", driver, driver->name);
1547
1548                 if (driver->probe(network) == 0) {
1549                         network->driver = driver;
1550                         break;
1551                 }
1552         }
1553
1554         if (network->driver == NULL)
1555                 return -ENODEV;
1556
1557         switch (network->type) {
1558         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1559         case CONNMAN_NETWORK_TYPE_VENDOR:
1560                 break;
1561         case CONNMAN_NETWORK_TYPE_ETHERNET:
1562         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1563         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1564         case CONNMAN_NETWORK_TYPE_CELLULAR:
1565         case CONNMAN_NETWORK_TYPE_WIFI:
1566         case CONNMAN_NETWORK_TYPE_WIMAX:
1567                 if (network->group != NULL)
1568                         __connman_profile_add_network(network);
1569                 break;
1570         }
1571
1572         return 0;
1573 }
1574
1575 static void network_remove(struct connman_element *element)
1576 {
1577         struct connman_network *network = element->network;
1578
1579         DBG("element %p name %s", element, element->name);
1580
1581         if (network == NULL)
1582                 return;
1583
1584         if (network->driver == NULL)
1585                 return;
1586
1587         switch (network->type) {
1588         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1589         case CONNMAN_NETWORK_TYPE_VENDOR:
1590                 break;
1591         case CONNMAN_NETWORK_TYPE_ETHERNET:
1592         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1593         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1594         case CONNMAN_NETWORK_TYPE_CELLULAR:
1595         case CONNMAN_NETWORK_TYPE_WIFI:
1596         case CONNMAN_NETWORK_TYPE_WIMAX:
1597                 if (network->group != NULL) {
1598                         __connman_profile_remove_network(network);
1599
1600                         g_free(network->group);
1601                         network->group = NULL;
1602                 }
1603                 break;
1604         }
1605
1606         if (network->driver->remove)
1607                 network->driver->remove(network);
1608 }
1609
1610 static void network_change(struct connman_element *element)
1611 {
1612         struct connman_network *network = element->network;
1613
1614         DBG("element %p name %s", element, element->name);
1615
1616         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1617                 return;
1618
1619         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1620                 return;
1621
1622         if (network->connected == FALSE)
1623                 return;
1624
1625         connman_element_unregister_children(element);
1626
1627         connman_device_set_disconnected(network->device, TRUE);
1628
1629         if (network->driver && network->driver->disconnect) {
1630                 network->driver->disconnect(network);
1631                 return;
1632         }
1633
1634         network->connected = FALSE;
1635 }
1636
1637 static struct connman_driver network_driver = {
1638         .name           = "network",
1639         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1640         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1641         .probe          = network_probe,
1642         .remove         = network_remove,
1643         .change         = network_change,
1644 };
1645
1646 int __connman_network_init(void)
1647 {
1648         DBG("");
1649
1650         return connman_driver_register(&network_driver);
1651 }
1652
1653 void __connman_network_cleanup(void)
1654 {
1655         DBG("");
1656
1657         connman_driver_unregister(&network_driver);
1658 }