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
  48         struct connman_network_driver *driver;
  49         void *driver_data;
  50
  51         connman_bool_t connecting;
  52         connman_bool_t associating;
  53
  54         struct connman_device *device;
  55
  56         struct {
  57                 void *ssid;
  58                 int ssid_len;
  59                 char *mode;
  60                 unsigned short channel;
  61                 char *security;
  62                 char *passphrase;
  63                 char *eap;
  64                 char *identity;
  65                 char *ca_cert_path;
  66                 char *client_cert_path;
  67                 char *private_key_path;
  68                 char *private_key_passphrase;
  69                 char *phase2_auth;
  70         } wifi;
  71 };
  72
  73 static const char *type2string(enum connman_network_type type)
  74 {
  75         switch (type) {
  76         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  77         case CONNMAN_NETWORK_TYPE_VENDOR:
  78                 break;
  79         case CONNMAN_NETWORK_TYPE_ETHERNET:
  80                 return "ethernet";
  81         case CONNMAN_NETWORK_TYPE_WIFI:
  82                 return "wifi";
  83         case CONNMAN_NETWORK_TYPE_WIMAX:
  84                 return "wimax";
  85         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  86         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  87                 return "bluetooth";
  88         case CONNMAN_NETWORK_TYPE_CELLULAR:
  89                 return "cellular";
  90         }
  91
  92         return NULL;
  93 }
  94
  95 connman_bool_t __connman_network_has_driver(struct connman_network *network)
  96 {
  97         if (network == NULL || network->driver == NULL)
  98                 return FALSE;
  99
 100         return TRUE;
 101 }
 102
 103 static GSList *driver_list = NULL;
 104
 105 static gint compare_priority(gconstpointer a, gconstpointer b)
 106 {
 107         const struct connman_network_driver *driver1 = a;
 108         const struct connman_network_driver *driver2 = b;
 109
 110         return driver2->priority - driver1->priority;
 111 }
 112
 113 /**
 114  * connman_network_driver_register:
 115  * @driver: network driver definition
 116  *
 117  * Register a new network driver
 118  *
 119  * Returns: %0 on success
 120  */
 121 int connman_network_driver_register(struct connman_network_driver *driver)
 122 {
 123         GSList *list;
 124
 125         DBG("driver %p name %s", driver, driver->name);
 126
 127         for (list = driver_list; list; list = list->next) {
 128                 struct connman_network_driver *tmp = list->data;
 129
 130                 if (tmp->type == driver->type)
 131                         return -EALREADY;
 132
 133         }
 134
 135         driver_list = g_slist_insert_sorted(driver_list, driver,
 136                                                         compare_priority);
 137
 138         return 0;
 139 }
 140
 141 /**
 142  * connman_network_driver_unregister:
 143  * @driver: network driver definition
 144  *
 145  * Remove a previously registered network driver
 146  */
 147 void connman_network_driver_unregister(struct connman_network_driver *driver)
 148 {
 149         DBG("driver %p name %s", driver, driver->name);
 150
 151         driver_list = g_slist_remove(driver_list, driver);
 152 }
 153
 154 static void network_destruct(struct connman_element *element)
 155 {
 156         struct connman_network *network = element->network;
 157
 158         DBG("element %p name %s", element, element->name);
 159
 160         g_free(network->wifi.ssid);
 161         g_free(network->wifi.mode);
 162         g_free(network->wifi.security);
 163         g_free(network->wifi.passphrase);
 164
 165         g_free(network->group);
 166         g_free(network->node);
 167         g_free(network->name);
 168         g_free(network->address);
 169         g_free(network->identifier);
 170
 171         network->device = NULL;
 172 }
 173
 174 /**
 175  * connman_network_create:
 176  * @identifier: network identifier (for example an unqiue name)
 177  *
 178  * Allocate a new network and assign the #identifier to it.
 179  *
 180  * Returns: a newly-allocated #connman_network structure
 181  */
 182 struct connman_network *connman_network_create(const char *identifier,
 183                                                 enum connman_network_type type)
 184 {
 185         struct connman_network *network;
 186         connman_uint8_t strength = 0;
 187         const char *str;
 188         char *temp;
 189
 190         DBG("identifier %s type %d", identifier, type);
 191
 192         network = g_try_new0(struct connman_network, 1);
 193         if (network == NULL)
 194                 return NULL;
 195
 196         DBG("network %p", network);
 197
 198         __connman_element_initialize(&network->element);
 199
 200         if (identifier == NULL) {
 201                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 202                 network->hidden = TRUE;
 203         } else
 204                 temp = g_strdup(identifier);
 205
 206         if (temp == NULL) {
 207                 g_free(network);
 208                 return NULL;
 209         }
 210
 211         network->element.name = temp;
 212         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 213
 214         network->element.network = network;
 215         network->element.destruct = network_destruct;
 216
 217         str = type2string(type);
 218         if (str != NULL)
 219                 connman_element_set_string(&network->element, "Type", str);
 220
 221         connman_element_set_uint8(&network->element, "Strength", strength);
 222
 223         network->type       = type;
 224         network->identifier = g_strdup(temp);
 225
 226         return network;
 227 }
 228
 229 /**
 230  * connman_network_ref:
 231  * @network: network structure
 232  *
 233  * Increase reference counter of  network
 234  */
 235 struct connman_network *connman_network_ref(struct connman_network *network)
 236 {
 237         if (connman_element_ref(&network->element) == NULL)
 238                 return NULL;
 239
 240         return network;
 241 }
 242
 243 /**
 244  * connman_network_unref:
 245  * @network: network structure
 246  *
 247  * Decrease reference counter of network
 248  */
 249 void connman_network_unref(struct connman_network *network)
 250 {
 251         connman_element_unref(&network->element);
 252 }
 253
 254 const char *__connman_network_get_type(struct connman_network *network)
 255 {
 256         return type2string(network->type);
 257 }
 258
 259 /**
 260  * connman_network_get_type:
 261  * @network: network structure
 262  *
 263  * Get type of network
 264  */
 265 enum connman_network_type connman_network_get_type(struct connman_network *network)
 266 {
 267         return network->type;
 268 }
 269
 270 /**
 271  * connman_network_get_identifier:
 272  * @network: network structure
 273  *
 274  * Get identifier of network
 275  */
 276 const char *connman_network_get_identifier(struct connman_network *network)
 277 {
 278         return network->identifier;
 279 }
 280
 281 /**
 282  * connman_network_set_index:
 283  * @network: network structure
 284  * @index: index number
 285  *
 286  * Set index number of network
 287  */
 288 void connman_network_set_index(struct connman_network *network, int index)
 289 {
 290         struct connman_service *service;
 291         struct connman_ipconfig *ipconfig;
 292
 293         service = __connman_service_lookup_from_network(network);
 294         if (service == NULL)
 295                 goto done;
 296
 297         ipconfig = __connman_service_get_ip4config(service);
 298
 299         DBG("index %d service %p ip4config %p", network->element.index,
 300                 service, ipconfig);
 301
 302         if (network->element.index < 0 && ipconfig == NULL) {
 303
 304                 ipconfig = __connman_service_get_ip4config(service);
 305                 if (ipconfig == NULL)
 306                         /*
 307                          * This is needed for plugins that havent set their
 308                          * ipconfig layer yet, due to not being able to get
 309                          * a network index prior to creating a service.
 310                          */
 311                         __connman_service_create_ip4config(service, index);
 312                 else
 313                         __connman_ipconfig_set_index(ipconfig, index);
 314
 315         } else {
 316                 /* If index changed, the index of ipconfig must be reset. */
 317                 if (ipconfig == NULL)
 318                         goto done;
 319
 320                 __connman_ipconfig_set_index(ipconfig, index);
 321         }
 322
 323 done:
 324         network->element.index = index;
 325 }
 326
 327 /**
 328  * connman_network_get_index:
 329  * @network: network structure
 330  *
 331  * Get index number of network
 332  */
 333 int connman_network_get_index(struct connman_network *network)
 334 {
 335         return network->element.index;
 336 }
 337
 338 /**
 339  * connman_network_get_element:
 340  * @network: network structure
 341  *
 342  * Get connman_element of network
 343  */
 344 struct connman_element *connman_network_get_element(
 345                                 struct connman_network *network)
 346 {
 347         return &network->element;
 348 }
 349
 350 /**
 351  * connman_network_set_group:
 352  * @network: network structure
 353  * @group: group name
 354  *
 355  * Set group name for automatic clustering
 356  */
 357 void connman_network_set_group(struct connman_network *network,
 358                                                         const char *group)
 359 {
 360         switch (network->type) {
 361         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 362         case CONNMAN_NETWORK_TYPE_VENDOR:
 363                 return;
 364         case CONNMAN_NETWORK_TYPE_ETHERNET:
 365         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 366         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 367         case CONNMAN_NETWORK_TYPE_CELLULAR:
 368         case CONNMAN_NETWORK_TYPE_WIFI:
 369         case CONNMAN_NETWORK_TYPE_WIMAX:
 370                 break;
 371         }
 372
 373         if (g_strcmp0(network->group, group) == 0) {
 374                 if (group != NULL)
 375                         __connman_profile_update_network(network);
 376                 return;
 377         }
 378
 379         if (network->group != NULL) {
 380                 __connman_profile_remove_network(network);
 381
 382                 g_free(network->group);
 383         }
 384
 385         network->group = g_strdup(group);
 386
 387         if (network->group != NULL)
 388                         __connman_profile_add_network(network);
 389 }
 390
 391 /**
 392  * connman_network_get_group:
 393  * @network: network structure
 394  *
 395  * Get group name for automatic clustering
 396  */
 397 const char *connman_network_get_group(struct connman_network *network)
 398 {
 399         return network->group;
 400 }
 401
 402 const char *__connman_network_get_ident(struct connman_network *network)
 403 {
 404         if (network->device == NULL)
 405                 return NULL;
 406
 407         return connman_device_get_ident(network->device);
 408 }
 409
 410 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 411 {
 412         switch (network->type) {
 413         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 414         case CONNMAN_NETWORK_TYPE_VENDOR:
 415         case CONNMAN_NETWORK_TYPE_ETHERNET:
 416         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 417         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 418         case CONNMAN_NETWORK_TYPE_CELLULAR:
 419         case CONNMAN_NETWORK_TYPE_WIMAX:
 420                 break;
 421         case CONNMAN_NETWORK_TYPE_WIFI:
 422                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 423                         return TRUE;
 424                 if (network->strength > 0 && network->strength < 20)
 425                         return TRUE;
 426                 break;
 427         }
 428
 429         return FALSE;
 430 }
 431
 432 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 433 {
 434         return network->connecting;
 435 }
 436
 437 /**
 438  * connman_network_set_available:
 439  * @network: network structure
 440  * @available: availability state
 441  *
 442  * Change availability state of network (in range)
 443  */
 444 int connman_network_set_available(struct connman_network *network,
 445                                                 connman_bool_t available)
 446 {
 447         DBG("network %p available %d", network, available);
 448
 449         if (network->available == available)
 450                 return -EALREADY;
 451
 452         network->available = available;
 453
 454         return 0;
 455 }
 456
 457 /**
 458  * connman_network_get_available:
 459  * @network: network structure
 460  *
 461  * Get network available setting
 462  */
 463 connman_bool_t connman_network_get_available(struct connman_network *network)
 464 {
 465         if (network->hidden == TRUE)
 466                 return TRUE;
 467
 468         return network->available;
 469 }
 470
 471 /**
 472  * connman_network_set_associating:
 473  * @network: network structure
 474  * @associating: associating state
 475  *
 476  * Change associating state of network
 477  */
 478 int connman_network_set_associating(struct connman_network *network,
 479                                                 connman_bool_t associating)
 480 {
 481         DBG("network %p associating %d", network, associating);
 482
 483         if (network->associating == associating)
 484                 return -EALREADY;
 485
 486         network->associating = associating;
 487
 488         if (associating == TRUE) {
 489                 struct connman_service *service;
 490
 491                 service = __connman_service_lookup_from_network(network);
 492                 __connman_service_indicate_state(service,
 493                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 494         }
 495
 496         return 0;
 497 }
 498
 499 static void set_associate_error(struct connman_network *network)
 500 {
 501         struct connman_service *service;
 502
 503         if (network->associating == FALSE)
 504                 return ;
 505
 506         network->associating = FALSE;
 507
 508         service = __connman_service_lookup_from_network(network);
 509
 510         __connman_service_indicate_state(service,
 511                                         CONNMAN_SERVICE_STATE_FAILURE);
 512 }
 513
 514 static void set_configure_error(struct connman_network *network)
 515 {
 516         struct connman_service *service;
 517
 518         network->connecting = FALSE;
 519
 520         service = __connman_service_lookup_from_network(network);
 521
 522         __connman_service_indicate_state(service,
 523                                         CONNMAN_SERVICE_STATE_FAILURE);
 524 }
 525
 526 void connman_network_set_ipv4_method(struct connman_network *network,
 527                                         enum connman_ipconfig_method method)
 528 {
 529         struct connman_service *service;
 530         struct connman_ipconfig *ipconfig;
 531
 532         network->element.ipv4.method = method;
 533
 534         service = __connman_service_lookup_from_network(network);
 535         if (service == NULL)
 536                 return;
 537
 538         ipconfig = __connman_service_get_ip4config(service);
 539         if (ipconfig == NULL)
 540                 return;
 541
 542         connman_ipconfig_set_method(ipconfig, method);
 543 }
 544
 545 void connman_network_set_ipv6_method(struct connman_network *network,
 546                                         enum connman_ipconfig_method method)
 547 {
 548         struct connman_service *service;
 549         struct connman_ipconfig *ipconfig;
 550
 551         network->element.ipv6.method = method;
 552
 553         service = __connman_service_lookup_from_network(network);
 554         if (service == NULL)
 555                 return;
 556
 557         ipconfig = __connman_service_get_ip6config(service);
 558         if (ipconfig == NULL)
 559                 return;
 560
 561         connman_ipconfig_set_method(ipconfig, method);
 562 }
 563
 564 void connman_network_set_error(struct connman_network *network,
 565                                         enum connman_network_error error)
 566 {
 567         DBG("nework %p, error %d", network, error);
 568
 569         network->connecting = FALSE;
 570
 571         switch (error) {
 572         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 573                 return;
 574         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 575                 set_associate_error(network);
 576                 break;
 577         case CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL:
 578                 set_configure_error(network);
 579                 break;
 580         }
 581 }
 582
 583 static void set_configuration(struct connman_network *network)
 584 {
 585         struct connman_service *service;
 586
 587         DBG("network %p", network);
 588
 589         __connman_device_increase_connections(network->device);
 590
 591         __connman_device_set_network(network->device, network);
 592
 593         connman_device_set_disconnected(network->device, FALSE);
 594
 595         service = __connman_service_lookup_from_network(network);
 596         __connman_service_indicate_state(service,
 597                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 598 }
 599
 600 static int set_connected_fixed(struct connman_network *network)
 601 {
 602         struct connman_service *service;
 603         struct connman_element *parent, *element;
 604
 605         DBG("");
 606
 607         service = __connman_service_lookup_from_network(network);
 608
 609         parent = connman_network_get_element(network);
 610
 611         set_configuration(network);
 612
 613         if (parent->ipv4.address == NULL)
 614                 return -EINVAL;
 615
 616         if (parent->ipv4.netmask == NULL)
 617                 return -EINVAL;
 618
 619         element = connman_element_create(NULL);
 620         if (element == NULL) {
 621                 connman_error("Can not create connman_element");
 622                 return -ENOMEM;
 623         }
 624
 625         element->type = CONNMAN_ELEMENT_TYPE_IPV4;
 626         element->index = parent->index;
 627
 628         if (connman_element_register(element, parent) < 0) {
 629                 connman_error("Can not register connman_element");
 630                 return -EINVAL;
 631         }
 632
 633         network->connecting = FALSE;
 634
 635         connman_network_set_associating(network, FALSE);
 636
 637         return 0;
 638 }
 639
 640 static void set_connected_manual(struct connman_network *network)
 641 {
 642         struct connman_service *service;
 643         struct connman_ipconfig *ipconfig;
 644         const char *nameserver = NULL;
 645         int err;
 646
 647         DBG("network %p", network);
 648
 649         service = __connman_service_lookup_from_network(network);
 650
 651         ipconfig = __connman_service_get_ip4config(service);
 652
 653         set_configuration(network);
 654
 655         err = __connman_ipconfig_set_address(ipconfig);
 656         if (err < 0) {
 657                 connman_network_set_error(network,
 658                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 659                 return;
 660         }
 661
 662         connman_element_get_value(&network->element,
 663                         CONNMAN_PROPERTY_ID_IPV4_NAMESERVER, &nameserver);
 664         if (nameserver != NULL)
 665                 __connman_service_append_nameserver(service, nameserver);
 666
 667         __connman_ipconfig_set_gateway(ipconfig, &network->element);
 668
 669         network->connecting = FALSE;
 670
 671         connman_network_set_associating(network, FALSE);
 672
 673         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 674 }
 675
 676 static int set_connected_dhcp(struct connman_network *network)
 677 {
 678         struct connman_element *element;
 679         int error;
 680
 681         DBG("network %p", network);
 682
 683         element = connman_element_create(NULL);
 684         if (element == NULL)
 685                 return -ENOMEM;
 686
 687         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 688         element->index = network->element.index;
 689
 690         error = connman_element_register(element, &network->element);
 691         if (error < 0) {
 692                 connman_element_unref(element);
 693                 return error;
 694         }
 695
 696         set_configuration(network);
 697
 698         return 0;
 699 }
 700
 701 static int manual_ipv6_set(struct connman_network *network,
 702                                 struct connman_ipconfig *ipconfig_ipv6)
 703 {
 704         struct connman_service *service;
 705         int err;
 706
 707         service = __connman_service_lookup_from_network(network);
 708         if (service == NULL)
 709                 return -EINVAL;
 710
 711         err = __connman_ipconfig_set_address(ipconfig_ipv6);
 712         if (err < 0) {
 713                 connman_network_set_error(network,
 714                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 715                 return err;
 716         }
 717
 718         /*
 719          * READY state will be indicated by IPV4 setting
 720          * gateway will be set by IPV4 setting
 721          */
 722
 723         return 0;
 724 }
 725
 726 static gboolean set_connected(gpointer user_data)
 727 {
 728         struct connman_network *network = user_data;
 729         struct connman_service *service;
 730         struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
 731         enum connman_ipconfig_method ipv4_method, ipv6_method;
 732
 733         service = __connman_service_lookup_from_network(network);
 734
 735         ipconfig_ipv4 = __connman_service_get_ip4config(service);
 736         ipconfig_ipv6 = __connman_service_get_ip6config(service);
 737
 738         DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
 739                 ipconfig_ipv6);
 740
 741         if (ipconfig_ipv4)
 742                 ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
 743         else
 744                 ipv4_method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 745
 746         if (ipconfig_ipv6)
 747                 ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
 748         else
 749                 ipv6_method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 750
 751         DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
 752         DBG("network connected %d", network->connected);
 753
 754         if (network->connected == TRUE) {
 755                 int ret;
 756
 757                 switch (ipv6_method) {
 758                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 759                 case CONNMAN_IPCONFIG_METHOD_OFF:
 760                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 761                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 762                         ret = manual_ipv6_set(network, ipconfig_ipv6);
 763                         if (ret != 0) {
 764                                 connman_network_set_error(network,
 765                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 766                                 return FALSE;
 767                         }
 768                         break;
 769                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 770                         break;
 771                 }
 772
 773                 switch (ipv4_method) {
 774                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 775                 case CONNMAN_IPCONFIG_METHOD_OFF:
 776                         return FALSE;
 777                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 778                         if (set_connected_fixed(network) < 0) {
 779                                 connman_network_set_error(network,
 780                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 781                                 return FALSE;
 782                         }
 783                         return TRUE;
 784                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 785                         set_connected_manual(network);
 786                         return TRUE;
 787                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 788                         if (set_connected_dhcp(network) < 0) {
 789                                 connman_network_set_error(network,
 790                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 791                                 return FALSE;
 792                         }
 793                 }
 794
 795         } else {
 796                 struct connman_service *service;
 797
 798                 connman_element_unregister_children(&network->element);
 799
 800                 __connman_device_set_network(network->device, NULL);
 801                 network->hidden = FALSE;
 802
 803                 service = __connman_service_lookup_from_network(network);
 804
 805                 __connman_service_indicate_state(service,
 806                                                 CONNMAN_SERVICE_STATE_IDLE);
 807         }
 808
 809         network->connecting = FALSE;
 810
 811         connman_network_set_associating(network, FALSE);
 812
 813         return FALSE;
 814 }
 815
 816 /**
 817  * connman_network_set_connected:
 818  * @network: network structure
 819  * @connected: connected state
 820  *
 821  * Change connected state of network
 822  */
 823 int connman_network_set_connected(struct connman_network *network,
 824                                                 connman_bool_t connected)
 825 {
 826         DBG("network %p connected %d", network, connected);
 827
 828         if ((network->connecting == TRUE || network->associating == TRUE) &&
 829                                                         connected == FALSE) {
 830                 connman_element_set_error(&network->element,
 831                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 832                 __connman_network_disconnect(network);
 833         }
 834
 835         if (network->connected == connected)
 836                 return -EALREADY;
 837
 838         if (connected == FALSE)
 839                 __connman_device_decrease_connections(network->device);
 840
 841         network->connected = connected;
 842
 843         set_connected(network);
 844
 845         return 0;
 846 }
 847
 848 /**
 849  * connman_network_get_connected:
 850  * @network: network structure
 851  *
 852  * Get network connection status
 853  */
 854 connman_bool_t connman_network_get_connected(struct connman_network *network)
 855 {
 856         return network->connected;
 857 }
 858
 859 /**
 860  * connman_network_get_associating:
 861  * @network: network structure
 862  *
 863  * Get network associating status
 864  */
 865 connman_bool_t connman_network_get_associating(struct connman_network *network)
 866 {
 867         return network->associating;
 868 }
 869
 870 /**
 871  * __connman_network_connect:
 872  * @network: network structure
 873  *
 874  * Connect network
 875  */
 876 int __connman_network_connect(struct connman_network *network)
 877 {
 878         struct connman_service *service;
 879         int err;
 880
 881         DBG("network %p", network);
 882
 883         if (network->connected == TRUE)
 884                 return -EISCONN;
 885
 886         if (network->connecting == TRUE || network->associating == TRUE)
 887                 return -EALREADY;
 888
 889         if (network->driver == NULL)
 890                 return -EUNATCH;
 891
 892         if (network->driver->connect == NULL)
 893                 return -ENOSYS;
 894
 895         if (network->device == NULL)
 896                 return -ENODEV;
 897
 898         __connman_device_disconnect(network->device);
 899
 900         network->connecting = TRUE;
 901
 902         service = __connman_service_lookup_from_network(network);
 903
 904         err = network->driver->connect(network);
 905         if (err < 0) {
 906                 if (err == -EINPROGRESS)
 907                         connman_network_set_associating(network, TRUE);
 908                 else {
 909                         network->connecting = FALSE;
 910                         network->hidden = FALSE;
 911                 }
 912
 913                 return err;
 914         }
 915
 916         network->connected = TRUE;
 917         set_connected(network);
 918
 919         return err;
 920 }
 921
 922 /**
 923  * __connman_network_disconnect:
 924  * @network: network structure
 925  *
 926  * Disconnect network
 927  */
 928 int __connman_network_disconnect(struct connman_network *network)
 929 {
 930         int err;
 931
 932         DBG("network %p", network);
 933
 934         if (network->connected == FALSE && network->connecting == FALSE &&
 935                                                 network->associating == FALSE)
 936                 return -ENOTCONN;
 937
 938         if (network->driver == NULL)
 939                 return -EUNATCH;
 940
 941         if (network->driver->disconnect == NULL)
 942                 return -ENOSYS;
 943
 944         network->connecting = FALSE;
 945
 946         err = network->driver->disconnect(network);
 947         if (err == 0) {
 948                 connman_network_set_connected(network, FALSE);
 949                 set_connected(network);
 950         }
 951
 952         return err;
 953 }
 954
 955 static int dhcp_start(struct connman_network *network)
 956 {
 957         struct connman_element *element;
 958         int error;
 959
 960         element = connman_element_create(NULL);
 961         if (element == NULL)
 962                 return -ENOMEM;
 963
 964         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 965         element->index = network->element.index;
 966
 967         error = connman_element_register(element, &network->element);
 968         if (error < 0) {
 969                 connman_element_unref(element);
 970                 return error;
 971         }
 972
 973         return 0;
 974 }
 975
 976 static int dhcp_stop(struct connman_network *network)
 977 {
 978         connman_element_unregister_children_type(&network->element,
 979                                         CONNMAN_ELEMENT_TYPE_CONNECTION);
 980         connman_element_unregister_children_type(&network->element,
 981                                                 CONNMAN_ELEMENT_TYPE_IPV4);
 982         connman_element_unregister_children_type(&network->element,
 983                                                 CONNMAN_ELEMENT_TYPE_DHCP);
 984
 985         return 0;
 986 }
 987
 988 static int manual_ipv4_set(struct connman_network *network,
 989                                 struct connman_ipconfig *ipconfig)
 990 {
 991         struct connman_service *service;
 992         int err;
 993
 994         service = __connman_service_lookup_from_network(network);
 995         if (service == NULL)
 996                 return -EINVAL;
 997
 998         err = __connman_ipconfig_set_address(ipconfig);
 999         if (err < 0) {
1000                 connman_network_set_error(network,
1001                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
1002                 return err;
1003         }
1004
1005         __connman_ipconfig_set_gateway(ipconfig, &network->element);
1006
1007         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
1008
1009         return 0;
1010 }
1011
1012 int __connman_network_clear_ipconfig(struct connman_network *network,
1013                                         struct connman_ipconfig *ipconfig)
1014 {
1015         struct connman_service *service;
1016         enum connman_ipconfig_method method;
1017
1018         service = __connman_service_lookup_from_network(network);
1019         if (service == NULL)
1020                 return -EINVAL;
1021
1022         method = __connman_ipconfig_get_method(ipconfig);
1023
1024         switch (method) {
1025         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1026         case CONNMAN_IPCONFIG_METHOD_OFF:
1027         case CONNMAN_IPCONFIG_METHOD_FIXED:
1028                 return -EINVAL;
1029         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1030                 connman_element_unregister_children_type(&network->element,
1031                                         CONNMAN_ELEMENT_TYPE_CONNECTION);
1032                 __connman_ipconfig_clear_address(ipconfig);
1033                 break;
1034         case CONNMAN_IPCONFIG_METHOD_DHCP:
1035                 dhcp_stop(network);
1036                 break;
1037         }
1038
1039         __connman_service_indicate_state(service,
1040                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
1041
1042         return 0;
1043 }
1044
1045 int __connman_network_set_ipconfig(struct connman_network *network,
1046                                         struct connman_ipconfig *ipconfig_ipv4,
1047                                         struct connman_ipconfig *ipconfig_ipv6)
1048 {
1049         enum connman_ipconfig_method method;
1050         int ret;
1051
1052         if (ipconfig_ipv6) {
1053                 method = __connman_ipconfig_get_method(ipconfig_ipv6);
1054
1055                 switch (method) {
1056                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1057                 case CONNMAN_IPCONFIG_METHOD_OFF:
1058                         break;
1059                 case CONNMAN_IPCONFIG_METHOD_FIXED:
1060                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
1061                         ret = manual_ipv6_set(network, ipconfig_ipv6);
1062                         if (ret != 0) {
1063                                 connman_network_set_error(network,
1064                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1065                                 return FALSE;
1066                         }
1067                         break;
1068                 case CONNMAN_IPCONFIG_METHOD_DHCP:
1069                         break;
1070                 }
1071         }
1072
1073         if (ipconfig_ipv4) {
1074                 method = __connman_ipconfig_get_method(ipconfig_ipv4);
1075
1076                 switch (method) {
1077                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1078                 case CONNMAN_IPCONFIG_METHOD_OFF:
1079                 case CONNMAN_IPCONFIG_METHOD_FIXED:
1080                         return -EINVAL;
1081                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
1082                         return manual_ipv4_set(network, ipconfig_ipv4);
1083                 case CONNMAN_IPCONFIG_METHOD_DHCP:
1084                         return dhcp_start(network);
1085                 }
1086         }
1087
1088         return 0;
1089 }
1090
1091 /**
1092  * connman_network_set_address:
1093  * @network: network structure
1094  * @address: binary address value
1095  * @size: binary address length
1096  *
1097  * Set unique address value for network
1098  */
1099 int connman_network_set_address(struct connman_network *network,
1100                                 const void *address, unsigned int size)
1101 {
1102         const unsigned char *addr_octet = address;
1103         char *str;
1104
1105         DBG("network %p size %d", network, size);
1106
1107         if (size != 6)
1108                 return -EINVAL;
1109
1110         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
1111                                 addr_octet[0], addr_octet[1], addr_octet[2],
1112                                 addr_octet[3], addr_octet[4], addr_octet[5]);
1113         if (str == NULL)
1114                 return -ENOMEM;
1115
1116         g_free(network->address);
1117         network->address = str;
1118
1119         return connman_element_set_string(&network->element,
1120                                                 "Address", network->address);
1121 }
1122
1123 /**
1124  * connman_network_set_name:
1125  * @network: network structure
1126  * @name: name value
1127  *
1128  * Set display name value for network
1129  */
1130 int connman_network_set_name(struct connman_network *network,
1131                                                         const char *name)
1132 {
1133         DBG("network %p name %s", network, name);
1134
1135         g_free(network->name);
1136         network->name = g_strdup(name);
1137
1138         return connman_element_set_string(&network->element, "Name", name);
1139 }
1140
1141 /**
1142  * connman_network_set_strength:
1143  * @network: network structure
1144  * @strength: strength value
1145  *
1146  * Set signal strength value for network
1147  */
1148 int connman_network_set_strength(struct connman_network *network,
1149                                                 connman_uint8_t strength)
1150 {
1151         DBG("network %p strengh %d", network, strength);
1152
1153         network->strength = strength;
1154
1155         return connman_element_set_uint8(&network->element,
1156                                                 "Strength", strength);
1157 }
1158
1159 /**
1160  * connman_network_set_roaming:
1161  * @network: network structure
1162  * @roaming: roaming state
1163  *
1164  * Set roaming state for network
1165  */
1166 int connman_network_set_roaming(struct connman_network *network,
1167                                                 connman_bool_t roaming)
1168 {
1169         DBG("network %p roaming %d", network, roaming);
1170
1171         network->roaming = roaming;
1172
1173         return connman_element_set_bool(&network->element,
1174                                                 "Roaming", roaming);
1175 }
1176
1177 /**
1178  * connman_network_set_string:
1179  * @network: network structure
1180  * @key: unique identifier
1181  * @value: string value
1182  *
1183  * Set string value for specific key
1184  */
1185 int connman_network_set_string(struct connman_network *network,
1186                                         const char *key, const char *value)
1187 {
1188         int err;
1189
1190         DBG("network %p key %s value %s", network, key, value);
1191
1192         if (g_strcmp0(key, "Name") == 0)
1193                 return connman_network_set_name(network, value);
1194
1195         if (g_str_equal(key, "Address") == TRUE) {
1196                 g_free(network->address);
1197                 network->address = g_strdup(value);
1198         } else if (g_str_equal(key, "Node") == TRUE) {
1199                 g_free(network->node);
1200                 network->node = g_strdup(value);
1201         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1202                 g_free(network->wifi.mode);
1203                 network->wifi.mode = g_strdup(value);
1204         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1205                 g_free(network->wifi.security);
1206                 network->wifi.security = g_strdup(value);
1207         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1208                 g_free(network->wifi.passphrase);
1209                 network->wifi.passphrase = g_strdup(value);
1210         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1211                 g_free(network->wifi.eap);
1212                 network->wifi.eap = g_strdup(value);
1213         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1214                 g_free(network->wifi.identity);
1215                 network->wifi.identity = g_strdup(value);
1216         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1217                 g_free(network->wifi.ca_cert_path);
1218                 network->wifi.ca_cert_path = g_strdup(value);
1219         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1220                 g_free(network->wifi.client_cert_path);
1221                 network->wifi.client_cert_path = g_strdup(value);
1222         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1223                 g_free(network->wifi.private_key_path);
1224                 network->wifi.private_key_path = g_strdup(value);
1225         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1226                 g_free(network->wifi.private_key_passphrase);
1227                 network->wifi.private_key_passphrase = g_strdup(value);
1228         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1229                 g_free(network->wifi.phase2_auth);
1230                 network->wifi.phase2_auth = g_strdup(value);
1231         }
1232
1233         err = connman_element_set_string(&network->element, key, value);
1234         if (err < 0)
1235                 return err;
1236
1237         if (network->driver == NULL)
1238                 return 0;
1239
1240         if (network->driver->setup)
1241                 return network->driver->setup(network, key);
1242
1243         return 0;
1244 }
1245
1246 /**
1247  * connman_network_get_string:
1248  * @network: network structure
1249  * @key: unique identifier
1250  *
1251  * Get string value for specific key
1252  */
1253 const char *connman_network_get_string(struct connman_network *network,
1254                                                         const char *key)
1255 {
1256         DBG("network %p key %s", network, key);
1257
1258         if (g_str_equal(key, "Address") == TRUE)
1259                 return network->address;
1260         else if (g_str_equal(key, "Name") == TRUE)
1261                 return network->name;
1262         else if (g_str_equal(key, "Node") == TRUE)
1263                 return network->node;
1264         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1265                 return network->wifi.mode;
1266         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1267                 return network->wifi.security;
1268         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1269                 return network->wifi.passphrase;
1270         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1271                 return network->wifi.eap;
1272         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1273                 return network->wifi.identity;
1274         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1275                 return network->wifi.ca_cert_path;
1276         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1277                 return network->wifi.client_cert_path;
1278         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1279                 return network->wifi.private_key_path;
1280         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1281                 return network->wifi.private_key_passphrase;
1282         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1283                 return network->wifi.phase2_auth;
1284
1285         return connman_element_get_string(&network->element, key);
1286 }
1287
1288 /**
1289  * connman_network_set_passphrase:
1290  * @network: network structure
1291  * @passphrase: network passphrase
1292  *
1293  * Set network passphrase.
1294  * If the network is linked to a service, the latter gets his passphrase
1295  * set as well.
1296  */
1297 int connman_network_set_passphrase(struct connman_network *network,
1298                                                 const char* passphrase)
1299 {
1300         struct connman_service *service;
1301
1302         service = __connman_service_lookup_from_network(network);
1303         if (service == NULL) {
1304                 connman_network_set_string(network, "WiFi.Passphrase",
1305                                                 passphrase);
1306
1307                 return 0;
1308         }
1309
1310         __connman_service_set_passphrase(service, passphrase);
1311
1312         return 0;
1313 }
1314
1315
1316 /**
1317  * connman_network_set_bool:
1318  * @network: network structure
1319  * @key: unique identifier
1320  * @value: boolean value
1321  *
1322  * Set boolean value for specific key
1323  */
1324 int connman_network_set_bool(struct connman_network *network,
1325                                         const char *key, connman_bool_t value)
1326 {
1327         DBG("network %p key %s value %d", network, key, value);
1328
1329         if (g_strcmp0(key, "Roaming") == 0)
1330                 return connman_network_set_roaming(network, value);
1331
1332         return connman_element_set_bool(&network->element, key, value);
1333 }
1334
1335 /**
1336  * connman_network_get_bool:
1337  * @network: network structure
1338  * @key: unique identifier
1339  *
1340  * Get boolean value for specific key
1341  */
1342 connman_bool_t connman_network_get_bool(struct connman_network *network,
1343                                                         const char *key)
1344 {
1345         DBG("network %p key %s", network, key);
1346
1347         if (g_str_equal(key, "Roaming") == TRUE)
1348                 return network->roaming;
1349
1350         return connman_element_get_bool(&network->element, key);
1351 }
1352
1353 /**
1354  * connman_network_set_uint8:
1355  * @network: network structure
1356  * @key: unique identifier
1357  * @value: integer value
1358  *
1359  * Set integer value for specific key
1360  */
1361 int connman_network_set_uint8(struct connman_network *network,
1362                                         const char *key, connman_uint8_t value)
1363 {
1364         DBG("network %p key %s value %d", network, key, value);
1365
1366         if (g_strcmp0(key, "Strength") == 0)
1367                 return connman_network_set_strength(network, value);
1368
1369         return connman_element_set_uint8(&network->element, key, value);
1370 }
1371
1372 /**
1373  * connman_network_get_uint8:
1374  * @network: network structure
1375  * @key: unique identifier
1376  *
1377  * Get integer value for specific key
1378  */
1379 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1380                                                         const char *key)
1381 {
1382         DBG("network %p key %s", network, key);
1383
1384         if (g_str_equal(key, "Strength") == TRUE)
1385                 return network->strength;
1386
1387         return connman_element_get_uint8(&network->element, key);
1388 }
1389
1390 /**
1391  * connman_network_set_uint16:
1392  * @network: network structure
1393  * @key: unique identifier
1394  * @value: integer value
1395  *
1396  * Set integer value for specific key
1397  */
1398 int connman_network_set_uint16(struct connman_network *network,
1399                                 const char *key, connman_uint16_t value)
1400 {
1401         DBG("network %p key %s value %d", network, key, value);
1402
1403         if (g_str_equal(key, "Frequency") == TRUE)
1404                 network->frequency = value;
1405         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1406                 network->wifi.channel = value;
1407
1408         return -EINVAL;
1409 }
1410
1411 /**
1412  * connman_network_get_uint16:
1413  * @network: network structure
1414  * @key: unique identifier
1415  *
1416  * Get integer value for specific key
1417  */
1418 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1419                                                         const char *key)
1420 {
1421         DBG("network %p key %s", network, key);
1422
1423         if (g_str_equal(key, "Frequency") == TRUE)
1424                 return network->frequency;
1425         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1426                 return network->wifi.channel;
1427
1428         return 0;
1429 }
1430
1431 /**
1432  * connman_network_set_blob:
1433  * @network: network structure
1434  * @key: unique identifier
1435  * @data: blob data
1436  * @size: blob size
1437  *
1438  * Set binary blob value for specific key
1439  */
1440 int connman_network_set_blob(struct connman_network *network,
1441                         const char *key, const void *data, unsigned int size)
1442 {
1443         DBG("network %p key %s size %d", network, key, size);
1444
1445         if (g_strcmp0(key, "Address") == 0)
1446                 return connman_network_set_address(network, data, size);
1447
1448         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1449                 g_free(network->wifi.ssid);
1450                 network->wifi.ssid = g_try_malloc(size);
1451                 if (network->wifi.ssid != NULL) {
1452                         memcpy(network->wifi.ssid, data, size);
1453                         network->wifi.ssid_len = size;
1454                 } else
1455                         network->wifi.ssid_len = 0;
1456         }
1457
1458         return connman_element_set_blob(&network->element, key, data, size);
1459 }
1460
1461 /**
1462  * connman_network_get_blob:
1463  * @network: network structure
1464  * @key: unique identifier
1465  * @size: pointer to blob size
1466  *
1467  * Get binary blob value for specific key
1468  */
1469 const void *connman_network_get_blob(struct connman_network *network,
1470                                         const char *key, unsigned int *size)
1471 {
1472         DBG("network %p key %s", network, key);
1473
1474         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1475                 if (size != NULL)
1476                         *size = network->wifi.ssid_len;
1477                 return network->wifi.ssid;
1478         }
1479
1480         return connman_element_get_blob(&network->element, key, size);
1481 }
1482
1483 void __connman_network_set_device(struct connman_network *network,
1484                                         struct connman_device *device)
1485 {
1486         network->device = device;
1487 }
1488
1489 /**
1490  * connman_network_get_device:
1491  * @network: network structure
1492  *
1493  * Get parent device of network
1494  */
1495 struct connman_device *connman_network_get_device(struct connman_network *network)
1496 {
1497         return network->device;
1498 }
1499
1500 /**
1501  * connman_network_get_data:
1502  * @network: network structure
1503  *
1504  * Get private network data pointer
1505  */
1506 void *connman_network_get_data(struct connman_network *network)
1507 {
1508         return network->driver_data;
1509 }
1510
1511 /**
1512  * connman_network_set_data:
1513  * @network: network structure
1514  * @data: data pointer
1515  *
1516  * Set private network data pointer
1517  */
1518 void connman_network_set_data(struct connman_network *network, void *data)
1519 {
1520         network->driver_data = data;
1521 }
1522
1523 void connman_network_update(struct connman_network *network)
1524 {
1525         switch (network->type) {
1526         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1527         case CONNMAN_NETWORK_TYPE_VENDOR:
1528                 return;
1529         case CONNMAN_NETWORK_TYPE_ETHERNET:
1530         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1531         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1532         case CONNMAN_NETWORK_TYPE_CELLULAR:
1533         case CONNMAN_NETWORK_TYPE_WIFI:
1534         case CONNMAN_NETWORK_TYPE_WIMAX:
1535                 break;
1536         }
1537
1538         if (network->group != NULL)
1539                 __connman_service_update_from_network(network);
1540
1541         return;
1542 }
1543
1544 static gboolean match_driver(struct connman_network *network,
1545                                         struct connman_network_driver *driver)
1546 {
1547         if (network->type == driver->type ||
1548                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1549                 return TRUE;
1550
1551         return FALSE;
1552 }
1553
1554 static int network_probe(struct connman_element *element)
1555 {
1556         struct connman_network *network = element->network;
1557         GSList *list;
1558
1559         DBG("element %p name %s", element, element->name);
1560
1561         if (network == NULL)
1562                 return -ENODEV;
1563
1564         for (list = driver_list; list; list = list->next) {
1565                 struct connman_network_driver *driver = list->data;
1566
1567                 if (match_driver(network, driver) == FALSE)
1568                         continue;
1569
1570                 DBG("driver %p name %s", driver, driver->name);
1571
1572                 if (driver->probe(network) == 0) {
1573                         network->driver = driver;
1574                         break;
1575                 }
1576         }
1577
1578         if (network->driver == NULL)
1579                 return -ENODEV;
1580
1581         switch (network->type) {
1582         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1583         case CONNMAN_NETWORK_TYPE_VENDOR:
1584                 break;
1585         case CONNMAN_NETWORK_TYPE_ETHERNET:
1586         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1587         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1588         case CONNMAN_NETWORK_TYPE_CELLULAR:
1589         case CONNMAN_NETWORK_TYPE_WIFI:
1590         case CONNMAN_NETWORK_TYPE_WIMAX:
1591                 if (network->group != NULL)
1592                         __connman_profile_add_network(network);
1593                 break;
1594         }
1595
1596         return 0;
1597 }
1598
1599 static void network_remove(struct connman_element *element)
1600 {
1601         struct connman_network *network = element->network;
1602
1603         DBG("element %p name %s", element, element->name);
1604
1605         if (network == NULL)
1606                 return;
1607
1608         if (network->driver == NULL)
1609                 return;
1610
1611         switch (network->type) {
1612         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1613         case CONNMAN_NETWORK_TYPE_VENDOR:
1614                 break;
1615         case CONNMAN_NETWORK_TYPE_ETHERNET:
1616         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1617         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1618         case CONNMAN_NETWORK_TYPE_CELLULAR:
1619         case CONNMAN_NETWORK_TYPE_WIFI:
1620         case CONNMAN_NETWORK_TYPE_WIMAX:
1621                 if (network->group != NULL) {
1622                         __connman_profile_remove_network(network);
1623
1624                         g_free(network->group);
1625                         network->group = NULL;
1626                 }
1627                 break;
1628         }
1629
1630         if (network->driver->remove)
1631                 network->driver->remove(network);
1632 }
1633
1634 static void network_change(struct connman_element *element)
1635 {
1636         struct connman_network *network = element->network;
1637
1638         DBG("element %p name %s", element, element->name);
1639
1640         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1641                 return;
1642
1643         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1644                 return;
1645
1646         if (network->connected == FALSE)
1647                 return;
1648
1649         connman_element_unregister_children(element);
1650
1651         connman_device_set_disconnected(network->device, TRUE);
1652
1653         if (network->driver && network->driver->disconnect) {
1654                 network->driver->disconnect(network);
1655                 return;
1656         }
1657
1658         network->connected = FALSE;
1659 }
1660
1661 static struct connman_driver network_driver = {
1662         .name           = "network",
1663         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1664         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1665         .probe          = network_probe,
1666         .remove         = network_remove,
1667         .change         = network_change,
1668 };
1669
1670 int __connman_network_init(void)
1671 {
1672         DBG("");
1673
1674         return connman_driver_register(&network_driver);
1675 }
1676
1677 void __connman_network_cleanup(void)
1678 {
1679         DBG("");
1680
1681         connman_driver_unregister(&network_driver);
1682 }