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                         break;
 761                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 762                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 763                         ret = manual_ipv6_set(network, ipconfig_ipv6);
 764                         if (ret != 0) {
 765                                 connman_network_set_error(network,
 766                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 767                                 return FALSE;
 768                         }
 769                         break;
 770                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 771                         break;
 772                 }
 773
 774                 switch (ipv4_method) {
 775                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 776                 case CONNMAN_IPCONFIG_METHOD_OFF:
 777                         return FALSE;
 778                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 779                         if (set_connected_fixed(network) < 0) {
 780                                 connman_network_set_error(network,
 781                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 782                                 return FALSE;
 783                         }
 784                         return TRUE;
 785                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 786                         set_connected_manual(network);
 787                         return TRUE;
 788                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 789                         if (set_connected_dhcp(network) < 0) {
 790                                 connman_network_set_error(network,
 791                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 792                                 return FALSE;
 793                         }
 794                 }
 795
 796         } else {
 797                 struct connman_service *service;
 798
 799                 connman_element_unregister_children(&network->element);
 800
 801                 __connman_device_set_network(network->device, NULL);
 802                 network->hidden = FALSE;
 803
 804                 service = __connman_service_lookup_from_network(network);
 805
 806                 __connman_service_indicate_state(service,
 807                                                 CONNMAN_SERVICE_STATE_IDLE);
 808         }
 809
 810         network->connecting = FALSE;
 811
 812         connman_network_set_associating(network, FALSE);
 813
 814         return FALSE;
 815 }
 816
 817 /**
 818  * connman_network_set_connected:
 819  * @network: network structure
 820  * @connected: connected state
 821  *
 822  * Change connected state of network
 823  */
 824 int connman_network_set_connected(struct connman_network *network,
 825                                                 connman_bool_t connected)
 826 {
 827         DBG("network %p connected %d", network, connected);
 828
 829         if ((network->connecting == TRUE || network->associating == TRUE) &&
 830                                                         connected == FALSE) {
 831                 connman_element_set_error(&network->element,
 832                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 833                 __connman_network_disconnect(network);
 834         }
 835
 836         if (network->connected == connected)
 837                 return -EALREADY;
 838
 839         if (connected == FALSE)
 840                 __connman_device_decrease_connections(network->device);
 841
 842         network->connected = connected;
 843
 844         set_connected(network);
 845
 846         return 0;
 847 }
 848
 849 /**
 850  * connman_network_get_connected:
 851  * @network: network structure
 852  *
 853  * Get network connection status
 854  */
 855 connman_bool_t connman_network_get_connected(struct connman_network *network)
 856 {
 857         return network->connected;
 858 }
 859
 860 /**
 861  * connman_network_get_associating:
 862  * @network: network structure
 863  *
 864  * Get network associating status
 865  */
 866 connman_bool_t connman_network_get_associating(struct connman_network *network)
 867 {
 868         return network->associating;
 869 }
 870
 871 /**
 872  * __connman_network_connect:
 873  * @network: network structure
 874  *
 875  * Connect network
 876  */
 877 int __connman_network_connect(struct connman_network *network)
 878 {
 879         struct connman_service *service;
 880         int err;
 881
 882         DBG("network %p", network);
 883
 884         if (network->connected == TRUE)
 885                 return -EISCONN;
 886
 887         if (network->connecting == TRUE || network->associating == TRUE)
 888                 return -EALREADY;
 889
 890         if (network->driver == NULL)
 891                 return -EUNATCH;
 892
 893         if (network->driver->connect == NULL)
 894                 return -ENOSYS;
 895
 896         if (network->device == NULL)
 897                 return -ENODEV;
 898
 899         __connman_device_disconnect(network->device);
 900
 901         network->connecting = TRUE;
 902
 903         service = __connman_service_lookup_from_network(network);
 904
 905         err = network->driver->connect(network);
 906         if (err < 0) {
 907                 if (err == -EINPROGRESS)
 908                         connman_network_set_associating(network, TRUE);
 909                 else {
 910                         network->connecting = FALSE;
 911                         network->hidden = FALSE;
 912                 }
 913
 914                 return err;
 915         }
 916
 917         network->connected = TRUE;
 918         set_connected(network);
 919
 920         return err;
 921 }
 922
 923 /**
 924  * __connman_network_disconnect:
 925  * @network: network structure
 926  *
 927  * Disconnect network
 928  */
 929 int __connman_network_disconnect(struct connman_network *network)
 930 {
 931         int err;
 932
 933         DBG("network %p", network);
 934
 935         if (network->connected == FALSE && network->connecting == FALSE &&
 936                                                 network->associating == FALSE)
 937                 return -ENOTCONN;
 938
 939         if (network->driver == NULL)
 940                 return -EUNATCH;
 941
 942         if (network->driver->disconnect == NULL)
 943                 return -ENOSYS;
 944
 945         network->connecting = FALSE;
 946
 947         err = network->driver->disconnect(network);
 948         if (err == 0) {
 949                 connman_network_set_connected(network, FALSE);
 950                 set_connected(network);
 951         }
 952
 953         return err;
 954 }
 955
 956 static int dhcp_start(struct connman_network *network)
 957 {
 958         struct connman_element *element;
 959         int error;
 960
 961         element = connman_element_create(NULL);
 962         if (element == NULL)
 963                 return -ENOMEM;
 964
 965         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 966         element->index = network->element.index;
 967
 968         error = connman_element_register(element, &network->element);
 969         if (error < 0) {
 970                 connman_element_unref(element);
 971                 return error;
 972         }
 973
 974         return 0;
 975 }
 976
 977 static int dhcp_stop(struct connman_network *network)
 978 {
 979         connman_element_unregister_children_type(&network->element,
 980                                         CONNMAN_ELEMENT_TYPE_CONNECTION);
 981         connman_element_unregister_children_type(&network->element,
 982                                                 CONNMAN_ELEMENT_TYPE_IPV4);
 983         connman_element_unregister_children_type(&network->element,
 984                                                 CONNMAN_ELEMENT_TYPE_DHCP);
 985
 986         return 0;
 987 }
 988
 989 static int manual_ipv4_set(struct connman_network *network,
 990                                 struct connman_ipconfig *ipconfig)
 991 {
 992         struct connman_service *service;
 993         int err;
 994
 995         service = __connman_service_lookup_from_network(network);
 996         if (service == NULL)
 997                 return -EINVAL;
 998
 999         err = __connman_ipconfig_set_address(ipconfig);
1000         if (err < 0) {
1001                 connman_network_set_error(network,
1002                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
1003                 return err;
1004         }
1005
1006         __connman_ipconfig_set_gateway(ipconfig, &network->element);
1007
1008         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
1009
1010         return 0;
1011 }
1012
1013 int __connman_network_clear_ipconfig(struct connman_network *network,
1014                                         struct connman_ipconfig *ipconfig)
1015 {
1016         struct connman_service *service;
1017         enum connman_ipconfig_method method;
1018
1019         service = __connman_service_lookup_from_network(network);
1020         if (service == NULL)
1021                 return -EINVAL;
1022
1023         method = __connman_ipconfig_get_method(ipconfig);
1024
1025         switch (method) {
1026         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1027         case CONNMAN_IPCONFIG_METHOD_OFF:
1028         case CONNMAN_IPCONFIG_METHOD_FIXED:
1029                 return -EINVAL;
1030         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1031                 connman_element_unregister_children_type(&network->element,
1032                                         CONNMAN_ELEMENT_TYPE_CONNECTION);
1033                 __connman_ipconfig_clear_address(ipconfig);
1034                 break;
1035         case CONNMAN_IPCONFIG_METHOD_DHCP:
1036                 dhcp_stop(network);
1037                 break;
1038         }
1039
1040         __connman_service_indicate_state(service,
1041                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
1042
1043         return 0;
1044 }
1045
1046 int __connman_network_set_ipconfig(struct connman_network *network,
1047                                         struct connman_ipconfig *ipconfig_ipv4,
1048                                         struct connman_ipconfig *ipconfig_ipv6)
1049 {
1050         enum connman_ipconfig_method method;
1051         int ret;
1052
1053         if (ipconfig_ipv6) {
1054                 method = __connman_ipconfig_get_method(ipconfig_ipv6);
1055
1056                 switch (method) {
1057                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1058                 case CONNMAN_IPCONFIG_METHOD_OFF:
1059                         break;
1060                 case CONNMAN_IPCONFIG_METHOD_FIXED:
1061                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
1062                         ret = manual_ipv6_set(network, ipconfig_ipv6);
1063                         if (ret != 0) {
1064                                 connman_network_set_error(network,
1065                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1066                                 return FALSE;
1067                         }
1068                         break;
1069                 case CONNMAN_IPCONFIG_METHOD_DHCP:
1070                         break;
1071                 }
1072         }
1073
1074         if (ipconfig_ipv4) {
1075                 method = __connman_ipconfig_get_method(ipconfig_ipv4);
1076
1077                 switch (method) {
1078                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1079                 case CONNMAN_IPCONFIG_METHOD_OFF:
1080                 case CONNMAN_IPCONFIG_METHOD_FIXED:
1081                         return -EINVAL;
1082                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
1083                         return manual_ipv4_set(network, ipconfig_ipv4);
1084                 case CONNMAN_IPCONFIG_METHOD_DHCP:
1085                         return dhcp_start(network);
1086                 }
1087         }
1088
1089         return 0;
1090 }
1091
1092 /**
1093  * connman_network_set_address:
1094  * @network: network structure
1095  * @address: binary address value
1096  * @size: binary address length
1097  *
1098  * Set unique address value for network
1099  */
1100 int connman_network_set_address(struct connman_network *network,
1101                                 const void *address, unsigned int size)
1102 {
1103         const unsigned char *addr_octet = address;
1104         char *str;
1105
1106         DBG("network %p size %d", network, size);
1107
1108         if (size != 6)
1109                 return -EINVAL;
1110
1111         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
1112                                 addr_octet[0], addr_octet[1], addr_octet[2],
1113                                 addr_octet[3], addr_octet[4], addr_octet[5]);
1114         if (str == NULL)
1115                 return -ENOMEM;
1116
1117         g_free(network->address);
1118         network->address = str;
1119
1120         return connman_element_set_string(&network->element,
1121                                                 "Address", network->address);
1122 }
1123
1124 /**
1125  * connman_network_set_name:
1126  * @network: network structure
1127  * @name: name value
1128  *
1129  * Set display name value for network
1130  */
1131 int connman_network_set_name(struct connman_network *network,
1132                                                         const char *name)
1133 {
1134         DBG("network %p name %s", network, name);
1135
1136         g_free(network->name);
1137         network->name = g_strdup(name);
1138
1139         return connman_element_set_string(&network->element, "Name", name);
1140 }
1141
1142 /**
1143  * connman_network_set_strength:
1144  * @network: network structure
1145  * @strength: strength value
1146  *
1147  * Set signal strength value for network
1148  */
1149 int connman_network_set_strength(struct connman_network *network,
1150                                                 connman_uint8_t strength)
1151 {
1152         DBG("network %p strengh %d", network, strength);
1153
1154         network->strength = strength;
1155
1156         return connman_element_set_uint8(&network->element,
1157                                                 "Strength", strength);
1158 }
1159
1160 /**
1161  * connman_network_set_roaming:
1162  * @network: network structure
1163  * @roaming: roaming state
1164  *
1165  * Set roaming state for network
1166  */
1167 int connman_network_set_roaming(struct connman_network *network,
1168                                                 connman_bool_t roaming)
1169 {
1170         DBG("network %p roaming %d", network, roaming);
1171
1172         network->roaming = roaming;
1173
1174         return connman_element_set_bool(&network->element,
1175                                                 "Roaming", roaming);
1176 }
1177
1178 /**
1179  * connman_network_set_string:
1180  * @network: network structure
1181  * @key: unique identifier
1182  * @value: string value
1183  *
1184  * Set string value for specific key
1185  */
1186 int connman_network_set_string(struct connman_network *network,
1187                                         const char *key, const char *value)
1188 {
1189         int err;
1190
1191         DBG("network %p key %s value %s", network, key, value);
1192
1193         if (g_strcmp0(key, "Name") == 0)
1194                 return connman_network_set_name(network, value);
1195
1196         if (g_str_equal(key, "Address") == TRUE) {
1197                 g_free(network->address);
1198                 network->address = g_strdup(value);
1199         } else if (g_str_equal(key, "Node") == TRUE) {
1200                 g_free(network->node);
1201                 network->node = g_strdup(value);
1202         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1203                 g_free(network->wifi.mode);
1204                 network->wifi.mode = g_strdup(value);
1205         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1206                 g_free(network->wifi.security);
1207                 network->wifi.security = g_strdup(value);
1208         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1209                 g_free(network->wifi.passphrase);
1210                 network->wifi.passphrase = g_strdup(value);
1211         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1212                 g_free(network->wifi.eap);
1213                 network->wifi.eap = g_strdup(value);
1214         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1215                 g_free(network->wifi.identity);
1216                 network->wifi.identity = g_strdup(value);
1217         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1218                 g_free(network->wifi.ca_cert_path);
1219                 network->wifi.ca_cert_path = g_strdup(value);
1220         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1221                 g_free(network->wifi.client_cert_path);
1222                 network->wifi.client_cert_path = g_strdup(value);
1223         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1224                 g_free(network->wifi.private_key_path);
1225                 network->wifi.private_key_path = g_strdup(value);
1226         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1227                 g_free(network->wifi.private_key_passphrase);
1228                 network->wifi.private_key_passphrase = g_strdup(value);
1229         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1230                 g_free(network->wifi.phase2_auth);
1231                 network->wifi.phase2_auth = g_strdup(value);
1232         }
1233
1234         err = connman_element_set_string(&network->element, key, value);
1235         if (err < 0)
1236                 return err;
1237
1238         if (network->driver == NULL)
1239                 return 0;
1240
1241         if (network->driver->setup)
1242                 return network->driver->setup(network, key);
1243
1244         return 0;
1245 }
1246
1247 /**
1248  * connman_network_get_string:
1249  * @network: network structure
1250  * @key: unique identifier
1251  *
1252  * Get string value for specific key
1253  */
1254 const char *connman_network_get_string(struct connman_network *network,
1255                                                         const char *key)
1256 {
1257         DBG("network %p key %s", network, key);
1258
1259         if (g_str_equal(key, "Address") == TRUE)
1260                 return network->address;
1261         else if (g_str_equal(key, "Name") == TRUE)
1262                 return network->name;
1263         else if (g_str_equal(key, "Node") == TRUE)
1264                 return network->node;
1265         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1266                 return network->wifi.mode;
1267         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1268                 return network->wifi.security;
1269         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1270                 return network->wifi.passphrase;
1271         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1272                 return network->wifi.eap;
1273         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1274                 return network->wifi.identity;
1275         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1276                 return network->wifi.ca_cert_path;
1277         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1278                 return network->wifi.client_cert_path;
1279         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1280                 return network->wifi.private_key_path;
1281         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1282                 return network->wifi.private_key_passphrase;
1283         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1284                 return network->wifi.phase2_auth;
1285
1286         return connman_element_get_string(&network->element, key);
1287 }
1288
1289 /**
1290  * connman_network_set_passphrase:
1291  * @network: network structure
1292  * @passphrase: network passphrase
1293  *
1294  * Set network passphrase.
1295  * If the network is linked to a service, the latter gets his passphrase
1296  * set as well.
1297  */
1298 int connman_network_set_passphrase(struct connman_network *network,
1299                                                 const char* passphrase)
1300 {
1301         struct connman_service *service;
1302
1303         service = __connman_service_lookup_from_network(network);
1304         if (service == NULL) {
1305                 connman_network_set_string(network, "WiFi.Passphrase",
1306                                                 passphrase);
1307
1308                 return 0;
1309         }
1310
1311         __connman_service_set_passphrase(service, passphrase);
1312
1313         return 0;
1314 }
1315
1316
1317 /**
1318  * connman_network_set_bool:
1319  * @network: network structure
1320  * @key: unique identifier
1321  * @value: boolean value
1322  *
1323  * Set boolean value for specific key
1324  */
1325 int connman_network_set_bool(struct connman_network *network,
1326                                         const char *key, connman_bool_t value)
1327 {
1328         DBG("network %p key %s value %d", network, key, value);
1329
1330         if (g_strcmp0(key, "Roaming") == 0)
1331                 return connman_network_set_roaming(network, value);
1332
1333         return connman_element_set_bool(&network->element, key, value);
1334 }
1335
1336 /**
1337  * connman_network_get_bool:
1338  * @network: network structure
1339  * @key: unique identifier
1340  *
1341  * Get boolean value for specific key
1342  */
1343 connman_bool_t connman_network_get_bool(struct connman_network *network,
1344                                                         const char *key)
1345 {
1346         DBG("network %p key %s", network, key);
1347
1348         if (g_str_equal(key, "Roaming") == TRUE)
1349                 return network->roaming;
1350
1351         return connman_element_get_bool(&network->element, key);
1352 }
1353
1354 /**
1355  * connman_network_set_uint8:
1356  * @network: network structure
1357  * @key: unique identifier
1358  * @value: integer value
1359  *
1360  * Set integer value for specific key
1361  */
1362 int connman_network_set_uint8(struct connman_network *network,
1363                                         const char *key, connman_uint8_t value)
1364 {
1365         DBG("network %p key %s value %d", network, key, value);
1366
1367         if (g_strcmp0(key, "Strength") == 0)
1368                 return connman_network_set_strength(network, value);
1369
1370         return connman_element_set_uint8(&network->element, key, value);
1371 }
1372
1373 /**
1374  * connman_network_get_uint8:
1375  * @network: network structure
1376  * @key: unique identifier
1377  *
1378  * Get integer value for specific key
1379  */
1380 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1381                                                         const char *key)
1382 {
1383         DBG("network %p key %s", network, key);
1384
1385         if (g_str_equal(key, "Strength") == TRUE)
1386                 return network->strength;
1387
1388         return connman_element_get_uint8(&network->element, key);
1389 }
1390
1391 /**
1392  * connman_network_set_uint16:
1393  * @network: network structure
1394  * @key: unique identifier
1395  * @value: integer value
1396  *
1397  * Set integer value for specific key
1398  */
1399 int connman_network_set_uint16(struct connman_network *network,
1400                                 const char *key, connman_uint16_t value)
1401 {
1402         DBG("network %p key %s value %d", network, key, value);
1403
1404         if (g_str_equal(key, "Frequency") == TRUE)
1405                 network->frequency = value;
1406         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1407                 network->wifi.channel = value;
1408
1409         return -EINVAL;
1410 }
1411
1412 /**
1413  * connman_network_get_uint16:
1414  * @network: network structure
1415  * @key: unique identifier
1416  *
1417  * Get integer value for specific key
1418  */
1419 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1420                                                         const char *key)
1421 {
1422         DBG("network %p key %s", network, key);
1423
1424         if (g_str_equal(key, "Frequency") == TRUE)
1425                 return network->frequency;
1426         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1427                 return network->wifi.channel;
1428
1429         return 0;
1430 }
1431
1432 /**
1433  * connman_network_set_blob:
1434  * @network: network structure
1435  * @key: unique identifier
1436  * @data: blob data
1437  * @size: blob size
1438  *
1439  * Set binary blob value for specific key
1440  */
1441 int connman_network_set_blob(struct connman_network *network,
1442                         const char *key, const void *data, unsigned int size)
1443 {
1444         DBG("network %p key %s size %d", network, key, size);
1445
1446         if (g_strcmp0(key, "Address") == 0)
1447                 return connman_network_set_address(network, data, size);
1448
1449         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1450                 g_free(network->wifi.ssid);
1451                 network->wifi.ssid = g_try_malloc(size);
1452                 if (network->wifi.ssid != NULL) {
1453                         memcpy(network->wifi.ssid, data, size);
1454                         network->wifi.ssid_len = size;
1455                 } else
1456                         network->wifi.ssid_len = 0;
1457         }
1458
1459         return connman_element_set_blob(&network->element, key, data, size);
1460 }
1461
1462 /**
1463  * connman_network_get_blob:
1464  * @network: network structure
1465  * @key: unique identifier
1466  * @size: pointer to blob size
1467  *
1468  * Get binary blob value for specific key
1469  */
1470 const void *connman_network_get_blob(struct connman_network *network,
1471                                         const char *key, unsigned int *size)
1472 {
1473         DBG("network %p key %s", network, key);
1474
1475         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1476                 if (size != NULL)
1477                         *size = network->wifi.ssid_len;
1478                 return network->wifi.ssid;
1479         }
1480
1481         return connman_element_get_blob(&network->element, key, size);
1482 }
1483
1484 void __connman_network_set_device(struct connman_network *network,
1485                                         struct connman_device *device)
1486 {
1487         network->device = device;
1488 }
1489
1490 /**
1491  * connman_network_get_device:
1492  * @network: network structure
1493  *
1494  * Get parent device of network
1495  */
1496 struct connman_device *connman_network_get_device(struct connman_network *network)
1497 {
1498         return network->device;
1499 }
1500
1501 /**
1502  * connman_network_get_data:
1503  * @network: network structure
1504  *
1505  * Get private network data pointer
1506  */
1507 void *connman_network_get_data(struct connman_network *network)
1508 {
1509         return network->driver_data;
1510 }
1511
1512 /**
1513  * connman_network_set_data:
1514  * @network: network structure
1515  * @data: data pointer
1516  *
1517  * Set private network data pointer
1518  */
1519 void connman_network_set_data(struct connman_network *network, void *data)
1520 {
1521         network->driver_data = data;
1522 }
1523
1524 void connman_network_update(struct connman_network *network)
1525 {
1526         switch (network->type) {
1527         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1528         case CONNMAN_NETWORK_TYPE_VENDOR:
1529                 return;
1530         case CONNMAN_NETWORK_TYPE_ETHERNET:
1531         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1532         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1533         case CONNMAN_NETWORK_TYPE_CELLULAR:
1534         case CONNMAN_NETWORK_TYPE_WIFI:
1535         case CONNMAN_NETWORK_TYPE_WIMAX:
1536                 break;
1537         }
1538
1539         if (network->group != NULL)
1540                 __connman_service_update_from_network(network);
1541
1542         return;
1543 }
1544
1545 static gboolean match_driver(struct connman_network *network,
1546                                         struct connman_network_driver *driver)
1547 {
1548         if (network->type == driver->type ||
1549                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1550                 return TRUE;
1551
1552         return FALSE;
1553 }
1554
1555 static int network_probe(struct connman_element *element)
1556 {
1557         struct connman_network *network = element->network;
1558         GSList *list;
1559
1560         DBG("element %p name %s", element, element->name);
1561
1562         if (network == NULL)
1563                 return -ENODEV;
1564
1565         for (list = driver_list; list; list = list->next) {
1566                 struct connman_network_driver *driver = list->data;
1567
1568                 if (match_driver(network, driver) == FALSE)
1569                         continue;
1570
1571                 DBG("driver %p name %s", driver, driver->name);
1572
1573                 if (driver->probe(network) == 0) {
1574                         network->driver = driver;
1575                         break;
1576                 }
1577         }
1578
1579         if (network->driver == NULL)
1580                 return -ENODEV;
1581
1582         switch (network->type) {
1583         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1584         case CONNMAN_NETWORK_TYPE_VENDOR:
1585                 break;
1586         case CONNMAN_NETWORK_TYPE_ETHERNET:
1587         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1588         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1589         case CONNMAN_NETWORK_TYPE_CELLULAR:
1590         case CONNMAN_NETWORK_TYPE_WIFI:
1591         case CONNMAN_NETWORK_TYPE_WIMAX:
1592                 if (network->group != NULL)
1593                         __connman_profile_add_network(network);
1594                 break;
1595         }
1596
1597         return 0;
1598 }
1599
1600 static void network_remove(struct connman_element *element)
1601 {
1602         struct connman_network *network = element->network;
1603
1604         DBG("element %p name %s", element, element->name);
1605
1606         if (network == NULL)
1607                 return;
1608
1609         if (network->driver == NULL)
1610                 return;
1611
1612         switch (network->type) {
1613         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1614         case CONNMAN_NETWORK_TYPE_VENDOR:
1615                 break;
1616         case CONNMAN_NETWORK_TYPE_ETHERNET:
1617         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1618         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1619         case CONNMAN_NETWORK_TYPE_CELLULAR:
1620         case CONNMAN_NETWORK_TYPE_WIFI:
1621         case CONNMAN_NETWORK_TYPE_WIMAX:
1622                 if (network->group != NULL) {
1623                         __connman_profile_remove_network(network);
1624
1625                         g_free(network->group);
1626                         network->group = NULL;
1627                 }
1628                 break;
1629         }
1630
1631         if (network->driver->remove)
1632                 network->driver->remove(network);
1633 }
1634
1635 static void network_change(struct connman_element *element)
1636 {
1637         struct connman_network *network = element->network;
1638
1639         DBG("element %p name %s", element, element->name);
1640
1641         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1642                 return;
1643
1644         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1645                 return;
1646
1647         if (network->connected == FALSE)
1648                 return;
1649
1650         connman_element_unregister_children(element);
1651
1652         connman_device_set_disconnected(network->device, TRUE);
1653
1654         if (network->driver && network->driver->disconnect) {
1655                 network->driver->disconnect(network);
1656                 return;
1657         }
1658
1659         network->connected = FALSE;
1660 }
1661
1662 static struct connman_driver network_driver = {
1663         .name           = "network",
1664         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1665         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1666         .probe          = network_probe,
1667         .remove         = network_remove,
1668         .change         = network_change,
1669 };
1670
1671 int __connman_network_init(void)
1672 {
1673         DBG("");
1674
1675         return connman_driver_register(&network_driver);
1676 }
1677
1678 void __connman_network_cleanup(void)
1679 {
1680         DBG("");
1681
1682         connman_driver_unregister(&network_driver);
1683 }