src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 /*
  32  * How many times to send RS with the purpose of
  33  * refreshing RDNSS entries before they actually expire.
  34  * With a value of 1, one RS will be sent, with no retries.
  35  */
  36 #define RS_REFRESH_COUNT        1
  37
  38 /*
  39  * Value in seconds to wait for RA after RS was sent.
  40  * After this time elapsed, we can send another RS.
  41  */
  42 #define RS_REFRESH_TIMEOUT      3
  43
  44 static GSList *network_list = NULL;
  45 static GSList *driver_list = NULL;
  46
  47 struct connman_network {
  48         int refcount;
  49         enum connman_network_type type;
  50         connman_bool_t available;
  51         connman_bool_t connected;
  52         connman_bool_t roaming;
  53         connman_uint8_t strength;
  54         connman_uint16_t frequency;
  55         char *identifier;
  56         char *name;
  57         char *node;
  58         char *group;
  59         char *path;
  60         int index;
  61         int router_solicit_count;
  62         int router_solicit_refresh_count;
  63
  64         struct connman_network_driver *driver;
  65         void *driver_data;
  66
  67         connman_bool_t connecting;
  68         connman_bool_t associating;
  69
  70         struct connman_device *device;
  71
  72         struct {
  73                 void *ssid;
  74                 int ssid_len;
  75                 char *mode;
  76                 unsigned short channel;
  77                 char *security;
  78                 char *passphrase;
  79                 char *agent_passphrase;
  80                 char *eap;
  81                 char *identity;
  82                 char *agent_identity;
  83                 char *ca_cert_path;
  84                 char *client_cert_path;
  85                 char *private_key_path;
  86                 char *private_key_passphrase;
  87                 char *phase2_auth;
  88                 connman_bool_t wps;
  89                 connman_bool_t use_wps;
  90                 char *pin_wps;
  91         } wifi;
  92
  93         struct {
  94                 char *nsp_name;
  95                 int nsp_name_len;
  96         } wimax;
  97 };
  98
  99 static const char *type2string(enum connman_network_type type)
 100 {
 101         switch (type) {
 102         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 103         case CONNMAN_NETWORK_TYPE_VENDOR:
 104                 break;
 105         case CONNMAN_NETWORK_TYPE_ETHERNET:
 106                 return "ethernet";
 107         case CONNMAN_NETWORK_TYPE_WIFI:
 108                 return "wifi";
 109         case CONNMAN_NETWORK_TYPE_WIMAX:
 110                 return "wimax";
 111         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 112         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 113                 return "bluetooth";
 114         case CONNMAN_NETWORK_TYPE_CELLULAR:
 115                 return "cellular";
 116         }
 117
 118         return NULL;
 119 }
 120
 121 static gboolean match_driver(struct connman_network *network,
 122                                         struct connman_network_driver *driver)
 123 {
 124         if (network->type == driver->type ||
 125                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
 126                 return TRUE;
 127
 128         return FALSE;
 129 }
 130
 131 static int network_probe(struct connman_network *network)
 132 {
 133         GSList *list;
 134         struct connman_network_driver *driver = NULL;
 135
 136         DBG("network %p name %s", network, network->name);
 137
 138         if (network->driver != NULL)
 139                 return -EALREADY;
 140
 141         for (list = driver_list; list; list = list->next) {
 142                 driver = list->data;
 143
 144                 if (match_driver(network, driver) == FALSE)
 145                         continue;
 146
 147                 DBG("driver %p name %s", driver, driver->name);
 148
 149                 if (driver->probe(network) == 0)
 150                         break;
 151
 152                 driver = NULL;
 153         }
 154
 155         if (driver == NULL)
 156                 return -ENODEV;
 157
 158         if (network->group == NULL)
 159                 return -EINVAL;
 160
 161         switch (network->type) {
 162         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 163         case CONNMAN_NETWORK_TYPE_VENDOR:
 164                 return 0;
 165         case CONNMAN_NETWORK_TYPE_ETHERNET:
 166         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 167         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 168         case CONNMAN_NETWORK_TYPE_CELLULAR:
 169         case CONNMAN_NETWORK_TYPE_WIFI:
 170         case CONNMAN_NETWORK_TYPE_WIMAX:
 171                 network->driver = driver;
 172                 if (__connman_service_create_from_network(network) == NULL) {
 173                         network->driver = NULL;
 174                         return -EINVAL;
 175                 }
 176         }
 177
 178         return 0;
 179 }
 180
 181 static void network_remove(struct connman_network *network)
 182 {
 183         DBG("network %p name %s", network, network->name);
 184
 185         if (network->driver == NULL)
 186                 return;
 187
 188         connman_network_set_connected(network, FALSE);
 189
 190         switch (network->type) {
 191         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 192         case CONNMAN_NETWORK_TYPE_VENDOR:
 193                 break;
 194         case CONNMAN_NETWORK_TYPE_ETHERNET:
 195         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 196         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 197         case CONNMAN_NETWORK_TYPE_CELLULAR:
 198         case CONNMAN_NETWORK_TYPE_WIFI:
 199         case CONNMAN_NETWORK_TYPE_WIMAX:
 200                 if (network->group != NULL) {
 201                         __connman_service_remove_from_network(network);
 202
 203                         g_free(network->group);
 204                         network->group = NULL;
 205                 }
 206                 break;
 207         }
 208
 209         if (network->driver->remove)
 210                 network->driver->remove(network);
 211
 212         network->driver = NULL;
 213 }
 214
 215 static void network_change(struct connman_network *network)
 216 {
 217         DBG("network %p name %s", network, network->name);
 218
 219         if (network->connected == FALSE)
 220                 return;
 221
 222         connman_device_set_disconnected(network->device, TRUE);
 223
 224         if (network->driver && network->driver->disconnect) {
 225                 network->driver->disconnect(network);
 226                 return;
 227         }
 228
 229         network->connected = FALSE;
 230 }
 231
 232 static void probe_driver(struct connman_network_driver *driver)
 233 {
 234         GSList *list;
 235
 236         DBG("driver %p name %s", driver, driver->name);
 237
 238         for (list = network_list; list != NULL; list = list->next) {
 239                 struct connman_network *network = list->data;
 240
 241                 if (network->driver != NULL)
 242                         continue;
 243
 244                 if (driver->type != network->type)
 245                         continue;
 246
 247                 if (driver->probe(network) < 0)
 248                         continue;
 249
 250                 network->driver = driver;
 251         }
 252 }
 253
 254 static void remove_driver(struct connman_network_driver *driver)
 255 {
 256         GSList *list;
 257
 258         DBG("driver %p name %s", driver, driver->name);
 259
 260         for (list = network_list; list != NULL; list = list->next) {
 261                 struct connman_network *network = list->data;
 262
 263                 if (network->driver == driver)
 264                         network_remove(network);
 265         }
 266 }
 267
 268 static gint compare_priority(gconstpointer a, gconstpointer b)
 269 {
 270         const struct connman_network_driver *driver1 = a;
 271         const struct connman_network_driver *driver2 = b;
 272
 273         return driver2->priority - driver1->priority;
 274 }
 275
 276 /**
 277  * connman_network_driver_register:
 278  * @driver: network driver definition
 279  *
 280  * Register a new network driver
 281  *
 282  * Returns: %0 on success
 283  */
 284 int connman_network_driver_register(struct connman_network_driver *driver)
 285 {
 286         GSList *list;
 287
 288         DBG("driver %p name %s", driver, driver->name);
 289
 290         for (list = driver_list; list; list = list->next) {
 291                 struct connman_network_driver *tmp = list->data;
 292
 293                 if (tmp->type == driver->type)
 294                         return -EALREADY;
 295
 296         }
 297
 298         driver_list = g_slist_insert_sorted(driver_list, driver,
 299                                                         compare_priority);
 300
 301         probe_driver(driver);
 302
 303         return 0;
 304 }
 305
 306 /**
 307  * connman_network_driver_unregister:
 308  * @driver: network driver definition
 309  *
 310  * Remove a previously registered network driver
 311  */
 312 void connman_network_driver_unregister(struct connman_network_driver *driver)
 313 {
 314         DBG("driver %p name %s", driver, driver->name);
 315
 316         driver_list = g_slist_remove(driver_list, driver);
 317
 318         remove_driver(driver);
 319 }
 320
 321 static void network_destruct(struct connman_network *network)
 322 {
 323         DBG("network %p name %s", network, network->name);
 324
 325         g_free(network->wifi.ssid);
 326         g_free(network->wifi.mode);
 327         g_free(network->wifi.security);
 328         g_free(network->wifi.passphrase);
 329         g_free(network->wifi.agent_passphrase);
 330         g_free(network->wifi.eap);
 331         g_free(network->wifi.identity);
 332         g_free(network->wifi.agent_identity);
 333         g_free(network->wifi.ca_cert_path);
 334         g_free(network->wifi.client_cert_path);
 335         g_free(network->wifi.private_key_path);
 336         g_free(network->wifi.private_key_passphrase);
 337         g_free(network->wifi.phase2_auth);
 338         g_free(network->wifi.pin_wps);
 339
 340         g_free(network->path);
 341         g_free(network->group);
 342         g_free(network->node);
 343         g_free(network->name);
 344         g_free(network->identifier);
 345
 346         network->device = NULL;
 347
 348         g_free(network);
 349 }
 350
 351 /**
 352  * connman_network_create:
 353  * @identifier: network identifier (for example an unqiue name)
 354  *
 355  * Allocate a new network and assign the #identifier to it.
 356  *
 357  * Returns: a newly-allocated #connman_network structure
 358  */
 359 struct connman_network *connman_network_create(const char *identifier,
 360                                                 enum connman_network_type type)
 361 {
 362         struct connman_network *network;
 363         char *ident;
 364
 365         DBG("identifier %s type %d", identifier, type);
 366
 367         network = g_try_new0(struct connman_network, 1);
 368         if (network == NULL)
 369                 return NULL;
 370
 371         DBG("network %p", network);
 372
 373         network->refcount = 1;
 374
 375         ident = g_strdup(identifier);
 376
 377         if (ident == NULL) {
 378                 g_free(network);
 379                 return NULL;
 380         }
 381
 382         network->type       = type;
 383         network->identifier = ident;
 384
 385         network_list = g_slist_append(network_list, network);
 386
 387         return network;
 388 }
 389
 390 /**
 391  * connman_network_ref:
 392  * @network: network structure
 393  *
 394  * Increase reference counter of  network
 395  */
 396 struct connman_network *
 397 connman_network_ref_debug(struct connman_network *network,
 398                         const char *file, int line, const char *caller)
 399 {
 400         DBG("%p name %s ref %d by %s:%d:%s()", network, network->name,
 401                 network->refcount + 1, file, line, caller);
 402
 403         __sync_fetch_and_add(&network->refcount, 1);
 404
 405         return network;
 406 }
 407
 408 /**
 409  * connman_network_unref:
 410  * @network: network structure
 411  *
 412  * Decrease reference counter of network
 413  */
 414 void connman_network_unref_debug(struct connman_network *network,
 415                                 const char *file, int line, const char *caller)
 416 {
 417         DBG("%p name %s ref %d by %s:%d:%s()", network, network->name,
 418                 network->refcount - 1, file, line, caller);
 419
 420         if (__sync_fetch_and_sub(&network->refcount, 1) != 1)
 421                 return;
 422
 423         network_list = g_slist_remove(network_list, network);
 424
 425         network_destruct(network);
 426 }
 427
 428 const char *__connman_network_get_type(struct connman_network *network)
 429 {
 430         return type2string(network->type);
 431 }
 432
 433 /**
 434  * connman_network_get_type:
 435  * @network: network structure
 436  *
 437  * Get type of network
 438  */
 439 enum connman_network_type connman_network_get_type(struct connman_network *network)
 440 {
 441         return network->type;
 442 }
 443
 444 /**
 445  * connman_network_get_identifier:
 446  * @network: network structure
 447  *
 448  * Get identifier of network
 449  */
 450 const char *connman_network_get_identifier(struct connman_network *network)
 451 {
 452         return network->identifier;
 453 }
 454
 455 /**
 456  * connman_network_set_index:
 457  * @network: network structure
 458  * @index: index number
 459  *
 460  * Set index number of network
 461  */
 462 void connman_network_set_index(struct connman_network *network, int index)
 463 {
 464         struct connman_service *service;
 465         struct connman_ipconfig *ipconfig;
 466
 467         service = connman_service_lookup_from_network(network);
 468         if (service == NULL)
 469                 goto done;
 470
 471         ipconfig = __connman_service_get_ip4config(service);
 472         if (ipconfig == NULL)
 473                 goto done;
 474
 475         /* If index changed, the index of ipconfig must be reset. */
 476         __connman_ipconfig_set_index(ipconfig, index);
 477
 478         DBG("index %d service %p ip4config %p", network->index,
 479                 service, ipconfig);
 480 done:
 481         network->index = index;
 482 }
 483
 484 /**
 485  * connman_network_get_index:
 486  * @network: network structure
 487  *
 488  * Get index number of network
 489  */
 490 int connman_network_get_index(struct connman_network *network)
 491 {
 492         return network->index;
 493 }
 494
 495 /**
 496  * connman_network_set_group:
 497  * @network: network structure
 498  * @group: group name
 499  *
 500  * Set group name for automatic clustering
 501  */
 502 void connman_network_set_group(struct connman_network *network,
 503                                                         const char *group)
 504 {
 505         switch (network->type) {
 506         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 507         case CONNMAN_NETWORK_TYPE_VENDOR:
 508                 return;
 509         case CONNMAN_NETWORK_TYPE_ETHERNET:
 510         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 511         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 512         case CONNMAN_NETWORK_TYPE_CELLULAR:
 513         case CONNMAN_NETWORK_TYPE_WIFI:
 514         case CONNMAN_NETWORK_TYPE_WIMAX:
 515                 break;
 516         }
 517
 518         if (g_strcmp0(network->group, group) == 0) {
 519                 if (group != NULL)
 520                         __connman_service_update_from_network(network);
 521                 return;
 522         }
 523
 524         if (network->group != NULL) {
 525                 __connman_service_remove_from_network(network);
 526
 527                 g_free(network->group);
 528         }
 529
 530         network->group = g_strdup(group);
 531
 532         if (network->group != NULL)
 533                 network_probe(network);
 534 }
 535
 536 /**
 537  * connman_network_get_group:
 538  * @network: network structure
 539  *
 540  * Get group name for automatic clustering
 541  */
 542 const char *connman_network_get_group(struct connman_network *network)
 543 {
 544         return network->group;
 545 }
 546
 547 const char *__connman_network_get_ident(struct connman_network *network)
 548 {
 549         if (network->device == NULL)
 550                 return NULL;
 551
 552         return connman_device_get_ident(network->device);
 553 }
 554
 555 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 556 {
 557         switch (network->type) {
 558         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 559         case CONNMAN_NETWORK_TYPE_VENDOR:
 560         case CONNMAN_NETWORK_TYPE_ETHERNET:
 561         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 562         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 563         case CONNMAN_NETWORK_TYPE_CELLULAR:
 564         case CONNMAN_NETWORK_TYPE_WIMAX:
 565                 break;
 566         case CONNMAN_NETWORK_TYPE_WIFI:
 567                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 568                         return TRUE;
 569                 if (network->strength > 0 && network->strength < 20)
 570                         return TRUE;
 571                 break;
 572         }
 573
 574         return FALSE;
 575 }
 576
 577 connman_bool_t connman_network_get_connecting(struct connman_network *network)
 578 {
 579         return network->connecting;
 580 }
 581
 582 /**
 583  * connman_network_set_available:
 584  * @network: network structure
 585  * @available: availability state
 586  *
 587  * Change availability state of network (in range)
 588  */
 589 int connman_network_set_available(struct connman_network *network,
 590                                                 connman_bool_t available)
 591 {
 592         DBG("network %p available %d", network, available);
 593
 594         if (network->available == available)
 595                 return -EALREADY;
 596
 597         network->available = available;
 598
 599         return 0;
 600 }
 601
 602 /**
 603  * connman_network_get_available:
 604  * @network: network structure
 605  *
 606  * Get network available setting
 607  */
 608 connman_bool_t connman_network_get_available(struct connman_network *network)
 609 {
 610         return network->available;
 611 }
 612
 613 /**
 614  * connman_network_set_associating:
 615  * @network: network structure
 616  * @associating: associating state
 617  *
 618  * Change associating state of network
 619  */
 620 int connman_network_set_associating(struct connman_network *network,
 621                                                 connman_bool_t associating)
 622 {
 623         DBG("network %p associating %d", network, associating);
 624
 625         if (network->associating == associating)
 626                 return -EALREADY;
 627
 628         network->associating = associating;
 629
 630         if (associating == TRUE) {
 631                 struct connman_service *service;
 632
 633                 service = connman_service_lookup_from_network(network);
 634                 __connman_service_ipconfig_indicate_state(service,
 635                                         CONNMAN_SERVICE_STATE_ASSOCIATION,
 636                                         CONNMAN_IPCONFIG_TYPE_IPV4);
 637                 __connman_service_ipconfig_indicate_state(service,
 638                                         CONNMAN_SERVICE_STATE_ASSOCIATION,
 639                                         CONNMAN_IPCONFIG_TYPE_IPV6);
 640         }
 641
 642         return 0;
 643 }
 644
 645 static void set_associate_error(struct connman_network *network)
 646 {
 647         struct connman_service *service;
 648
 649         service = connman_service_lookup_from_network(network);
 650
 651         __connman_service_indicate_error(service,
 652                                         CONNMAN_SERVICE_ERROR_CONNECT_FAILED);
 653 }
 654
 655 static void set_configure_error(struct connman_network *network)
 656 {
 657         struct connman_service *service;
 658
 659         service = connman_service_lookup_from_network(network);
 660
 661         __connman_service_indicate_error(service,
 662                                         CONNMAN_SERVICE_ERROR_CONNECT_FAILED);
 663 }
 664
 665 static void set_invalid_key_error(struct connman_network *network)
 666 {
 667         struct connman_service *service;
 668
 669         service = connman_service_lookup_from_network(network);
 670
 671         __connman_service_indicate_error(service,
 672                                         CONNMAN_SERVICE_ERROR_INVALID_KEY);
 673 }
 674
 675 static void set_connect_error(struct connman_network *network)
 676 {
 677         struct connman_service *service;
 678
 679         service = connman_service_lookup_from_network(network);
 680
 681         __connman_service_indicate_error(service,
 682                                         CONNMAN_SERVICE_ERROR_CONNECT_FAILED);
 683 }
 684
 685 void connman_network_set_ipv4_method(struct connman_network *network,
 686                                         enum connman_ipconfig_method method)
 687 {
 688         struct connman_service *service;
 689         struct connman_ipconfig *ipconfig;
 690
 691         service = connman_service_lookup_from_network(network);
 692         if (service == NULL)
 693                 return;
 694
 695         ipconfig = __connman_service_get_ip4config(service);
 696         if (ipconfig == NULL)
 697                 return;
 698
 699         __connman_ipconfig_set_method(ipconfig, method);
 700 }
 701
 702 void connman_network_set_ipv6_method(struct connman_network *network,
 703                                         enum connman_ipconfig_method method)
 704 {
 705         struct connman_service *service;
 706         struct connman_ipconfig *ipconfig;
 707
 708         service = connman_service_lookup_from_network(network);
 709         if (service == NULL)
 710                 return;
 711
 712         ipconfig = __connman_service_get_ip6config(service);
 713         if (ipconfig == NULL)
 714                 return;
 715
 716         __connman_ipconfig_set_method(ipconfig, method);
 717 }
 718
 719 void connman_network_set_error(struct connman_network *network,
 720                                         enum connman_network_error error)
 721 {
 722         DBG("nework %p, error %d", network, error);
 723
 724         network->connecting = FALSE;
 725         network->associating = FALSE;
 726
 727         switch (error) {
 728         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 729                 return;
 730         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 731                 set_associate_error(network);
 732                 break;
 733         case CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL:
 734                 set_configure_error(network);
 735                 break;
 736         case CONNMAN_NETWORK_ERROR_INVALID_KEY:
 737                 set_invalid_key_error(network);
 738                 break;
 739         case CONNMAN_NETWORK_ERROR_CONNECT_FAIL:
 740                 set_connect_error(network);
 741                 break;
 742         }
 743
 744         network_change(network);
 745 }
 746
 747 void connman_network_clear_error(struct connman_network *network)
 748 {
 749         struct connman_service *service;
 750
 751         DBG("network %p", network);
 752
 753         if (network == NULL)
 754                 return;
 755
 756         if (network->connecting == TRUE || network->associating == TRUE)
 757                 return;
 758
 759         service = connman_service_lookup_from_network(network);
 760         __connman_service_clear_error(service);
 761 }
 762
 763 static void set_configuration(struct connman_network *network,
 764                         enum connman_ipconfig_type type)
 765 {
 766         struct connman_service *service;
 767
 768         DBG("network %p", network);
 769
 770         if (network->device == NULL)
 771                 return;
 772
 773         __connman_device_set_network(network->device, network);
 774
 775         connman_device_set_disconnected(network->device, FALSE);
 776
 777         service = connman_service_lookup_from_network(network);
 778         __connman_service_ipconfig_indicate_state(service,
 779                                         CONNMAN_SERVICE_STATE_CONFIGURATION,
 780                                         type);
 781 }
 782
 783 static void dhcp_success(struct connman_network *network)
 784 {
 785         struct connman_service *service;
 786         struct connman_ipconfig *ipconfig_ipv4;
 787         int err;
 788
 789         service = connman_service_lookup_from_network(network);
 790         if (service == NULL)
 791                 goto err;
 792
 793         connman_network_set_associating(network, FALSE);
 794
 795         network->connecting = FALSE;
 796
 797         ipconfig_ipv4 = __connman_service_get_ip4config(service);
 798         err = __connman_ipconfig_address_add(ipconfig_ipv4);
 799         if (err < 0)
 800                 goto err;
 801
 802         err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
 803         if (err < 0)
 804                 goto err;
 805
 806         return;
 807
 808 err:
 809         connman_network_set_error(network,
 810                                 CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 811 }
 812
 813 static void dhcp_failure(struct connman_network *network)
 814 {
 815         struct connman_service *service;
 816
 817         service = connman_service_lookup_from_network(network);
 818         if (service == NULL)
 819                 return;
 820
 821         __connman_service_ipconfig_indicate_state(service,
 822                                         CONNMAN_SERVICE_STATE_IDLE,
 823                                         CONNMAN_IPCONFIG_TYPE_IPV4);
 824 }
 825
 826 static void dhcp_callback(struct connman_network *network,
 827                         connman_bool_t success)
 828 {
 829         DBG("success %d", success);
 830
 831         if (success == TRUE)
 832                 dhcp_success(network);
 833         else
 834                 dhcp_failure(network);
 835 }
 836
 837 static int set_connected_fixed(struct connman_network *network)
 838 {
 839         struct connman_service *service;
 840         struct connman_ipconfig *ipconfig_ipv4;
 841         int err;
 842
 843         DBG("");
 844
 845         service = connman_service_lookup_from_network(network);
 846
 847         ipconfig_ipv4 = __connman_service_get_ip4config(service);
 848
 849         set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
 850
 851         network->connecting = FALSE;
 852
 853         connman_network_set_associating(network, FALSE);
 854
 855         err = __connman_ipconfig_address_add(ipconfig_ipv4);
 856         if (err < 0)
 857                 goto err;
 858
 859         err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
 860         if (err < 0)
 861                 goto err;
 862
 863         return 0;
 864
 865 err:
 866         connman_network_set_error(network,
 867                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 868
 869         return err;
 870 }
 871
 872 static void set_connected_manual(struct connman_network *network)
 873 {
 874         struct connman_service *service;
 875         struct connman_ipconfig *ipconfig;
 876         int err;
 877
 878         DBG("network %p", network);
 879
 880         service = connman_service_lookup_from_network(network);
 881
 882         ipconfig = __connman_service_get_ip4config(service);
 883
 884         if (__connman_ipconfig_get_local(ipconfig) == NULL)
 885                 __connman_service_read_ip4config(service);
 886
 887         set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
 888
 889         err = __connman_ipconfig_address_add(ipconfig);
 890         if (err < 0)
 891                 goto err;
 892
 893         err = __connman_ipconfig_gateway_add(ipconfig);
 894         if (err < 0)
 895                 goto err;
 896
 897         network->connecting = FALSE;
 898
 899         connman_network_set_associating(network, FALSE);
 900
 901         return;
 902
 903 err:
 904         connman_network_set_error(network,
 905                                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 906         return;
 907 }
 908
 909 static int set_connected_dhcp(struct connman_network *network)
 910 {
 911         int err;
 912
 913         DBG("network %p", network);
 914
 915         set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
 916
 917         err = __connman_dhcp_start(network, dhcp_callback);
 918         if (err < 0) {
 919                 connman_error("Can not request DHCP lease");
 920                 return err;
 921         }
 922
 923         return 0;
 924 }
 925
 926 static int manual_ipv6_set(struct connman_network *network,
 927                                 struct connman_ipconfig *ipconfig_ipv6)
 928 {
 929         struct connman_service *service;
 930         int err;
 931
 932         DBG("network %p ipv6 %p", network, ipconfig_ipv6);
 933
 934         service = connman_service_lookup_from_network(network);
 935         if (service == NULL)
 936                 return -EINVAL;
 937
 938         if (__connman_ipconfig_get_local(ipconfig_ipv6) == NULL)
 939                 __connman_service_read_ip6config(service);
 940
 941         __connman_ipconfig_enable_ipv6(ipconfig_ipv6);
 942
 943         err = __connman_ipconfig_address_add(ipconfig_ipv6);
 944         if (err < 0) {
 945                 connman_network_set_error(network,
 946                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 947                 return err;
 948         }
 949
 950         err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
 951         if (err < 0)
 952                 return err;
 953
 954         __connman_connection_gateway_activate(service,
 955                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
 956
 957         __connman_device_set_network(network->device, network);
 958
 959         connman_device_set_disconnected(network->device, FALSE);
 960
 961         network->connecting = FALSE;
 962
 963         return 0;
 964 }
 965
 966 static void stop_dhcpv6(struct connman_network *network)
 967 {
 968         __connman_dhcpv6_stop(network);
 969 }
 970
 971 static void dhcpv6_release_callback(struct connman_network *network,
 972                                 connman_bool_t success)
 973 {
 974         DBG("success %d", success);
 975
 976         stop_dhcpv6(network);
 977 }
 978
 979 static void release_dhcpv6(struct connman_network *network)
 980 {
 981         __connman_dhcpv6_start_release(network, dhcpv6_release_callback);
 982         stop_dhcpv6(network);
 983 }
 984
 985 static void dhcpv6_info_callback(struct connman_network *network,
 986                                 connman_bool_t success)
 987 {
 988         DBG("success %d", success);
 989
 990         stop_dhcpv6(network);
 991 }
 992
 993 static gboolean dhcpv6_set_addresses(struct connman_network *network)
 994 {
 995         struct connman_service *service;
 996         struct connman_ipconfig *ipconfig_ipv6;
 997         int err = -EINVAL;
 998
 999         service = connman_service_lookup_from_network(network);
1000         if (service == NULL)
1001                 goto err;
1002
1003         connman_network_set_associating(network, FALSE);
1004
1005         network->connecting = FALSE;
1006
1007         ipconfig_ipv6 = __connman_service_get_ip6config(service);
1008         err = __connman_ipconfig_address_add(ipconfig_ipv6);
1009         if (err < 0)
1010                 goto err;
1011
1012         err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
1013         if (err < 0)
1014                 goto err;
1015
1016         return 0;
1017
1018 err:
1019         connman_network_set_error(network,
1020                                 CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
1021         return err;
1022 }
1023
1024 static void autoconf_ipv6_set(struct connman_network *network);
1025 static void dhcpv6_callback(struct connman_network *network,
1026                         connman_bool_t success);
1027
1028 /*
1029  * Have a separate callback for renew so that we do not do autoconf
1030  * in wrong phase as the dhcpv6_callback() is also called when doing
1031  * DHCPv6 solicitation.
1032  */
1033 static void dhcpv6_renew_callback(struct connman_network *network,
1034                                         connman_bool_t success)
1035 {
1036         if (success == TRUE)
1037                 dhcpv6_callback(network, success);
1038         else {
1039                 stop_dhcpv6(network);
1040
1041                 /* restart and do solicit again. */
1042                 autoconf_ipv6_set(network);
1043         }
1044 }
1045
1046 static void dhcpv6_callback(struct connman_network *network,
1047                                         connman_bool_t success)
1048 {
1049         DBG("success %d", success);
1050
1051         /* Start the renew process if necessary */
1052         if (success == TRUE) {
1053
1054                 if (dhcpv6_set_addresses(network) < 0) {
1055                         stop_dhcpv6(network);
1056                         return;
1057                 }
1058
1059                 if (__connman_dhcpv6_start_renew(network,
1060                                         dhcpv6_renew_callback) == -ETIMEDOUT)
1061                         dhcpv6_renew_callback(network, FALSE);
1062         } else
1063                 stop_dhcpv6(network);
1064 }
1065
1066 static void check_dhcpv6(struct nd_router_advert *reply,
1067                         unsigned int length, void *user_data)
1068 {
1069         struct connman_network *network = user_data;
1070         GSList *prefixes;
1071
1072         DBG("reply %p", reply);
1073
1074         if (reply == NULL) {
1075                 /*
1076                  * Router solicitation message seem to get lost easily so
1077                  * try to send it again.
1078                  */
1079                 if (network->router_solicit_count > 0) {
1080                         DBG("re-send router solicitation %d",
1081                                                 network->router_solicit_count);
1082                         network->router_solicit_count--;
1083                         __connman_inet_ipv6_send_rs(network->index, 1,
1084                                                 check_dhcpv6, network);
1085                         return;
1086                 }
1087                 connman_network_unref(network);
1088                 return;
1089         }
1090
1091         network->router_solicit_count = 0;
1092
1093         /*
1094          * If we were disconnected while waiting router advertisement,
1095          * we just quit and do not start DHCPv6
1096          */
1097         if (network->connected == FALSE) {
1098                 connman_network_unref(network);
1099                 return;
1100         }
1101
1102         prefixes = __connman_inet_ipv6_get_prefixes(reply, length);
1103
1104         /*
1105          * We do stateful/stateless DHCPv6 if router advertisement says so.
1106          */
1107         if (reply->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)
1108                 __connman_dhcpv6_start(network, prefixes, dhcpv6_callback);
1109         else if (reply->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
1110                 __connman_dhcpv6_start_info(network, dhcpv6_info_callback);
1111
1112         connman_network_unref(network);
1113 }
1114
1115 static void receive_refresh_rs_reply(struct nd_router_advert *reply,
1116                 unsigned int length, void *user_data)
1117 {
1118         struct connman_network *network = user_data;
1119
1120         DBG("reply %p", reply);
1121
1122         if (reply == NULL) {
1123                 /*
1124                  * Router solicitation message seem to get lost easily so
1125                  * try to send it again.
1126                  */
1127                 if (network->router_solicit_refresh_count > 1) {
1128                         network->router_solicit_refresh_count--;
1129                         DBG("re-send router solicitation %d",
1130                                         network->router_solicit_refresh_count);
1131                         __connman_inet_ipv6_send_rs(network->index,
1132                                         RS_REFRESH_TIMEOUT,
1133                                         receive_refresh_rs_reply,
1134                                         network);
1135                         return;
1136                 }
1137         }
1138
1139         /* RS refresh not in progress anymore */
1140         network->router_solicit_refresh_count = 0;
1141
1142         connman_network_unref(network);
1143         return;
1144 }
1145
1146 int __connman_refresh_rs_ipv6(struct connman_network *network, int index)
1147 {
1148         int ret = 0;
1149
1150         DBG("network %p index %d", network, index);
1151
1152         /* Send only one RS for all RDNSS entries which are about to expire */
1153         if (network->router_solicit_refresh_count > 0) {
1154                 DBG("RS refresh already started");
1155                 return 0;
1156         }
1157
1158         network->router_solicit_refresh_count = RS_REFRESH_COUNT;
1159
1160         connman_network_ref(network);
1161
1162         ret = __connman_inet_ipv6_send_rs(index, RS_REFRESH_TIMEOUT,
1163                         receive_refresh_rs_reply, network);
1164         return ret;
1165 }
1166
1167 static void autoconf_ipv6_set(struct connman_network *network)
1168 {
1169         struct connman_service *service;
1170         struct connman_ipconfig *ipconfig;
1171         int index;
1172
1173         DBG("network %p", network);
1174
1175         if (network->router_solicit_count > 0) {
1176                 /*
1177                  * The autoconfiguration is already pending and we have sent
1178                  * router solicitation messages and are now waiting answers.
1179                  * There is no need to continue any further.
1180                  */
1181                 DBG("autoconfiguration already started");
1182                 return;
1183         }
1184
1185         __connman_device_set_network(network->device, network);
1186
1187         connman_device_set_disconnected(network->device, FALSE);
1188
1189         network->connecting = FALSE;
1190
1191         service = connman_service_lookup_from_network(network);
1192         if (service == NULL)
1193                 return;
1194
1195         ipconfig = __connman_service_get_ip6config(service);
1196         if (ipconfig == NULL)
1197                 return;
1198
1199         index = __connman_ipconfig_get_index(ipconfig);
1200
1201         connman_network_ref(network);
1202
1203         /* Try to get stateless DHCPv6 information, RFC 3736 */
1204         network->router_solicit_count = 3;
1205         __connman_inet_ipv6_send_rs(index, 1, check_dhcpv6, network);
1206 }
1207
1208 static void set_connected(struct connman_network *network)
1209 {
1210         struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
1211         enum connman_ipconfig_method ipv4_method, ipv6_method;
1212         struct connman_service *service;
1213         int ret;
1214
1215         if (network->connected == TRUE)
1216                 return;
1217
1218         network->connected = TRUE;
1219
1220         service = connman_service_lookup_from_network(network);
1221
1222         ipconfig_ipv4 = __connman_service_get_ip4config(service);
1223         ipconfig_ipv6 = __connman_service_get_ip6config(service);
1224
1225         DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
1226                 ipconfig_ipv6);
1227
1228         ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
1229         ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
1230
1231         DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
1232
1233         switch (ipv6_method) {
1234         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1235         case CONNMAN_IPCONFIG_METHOD_OFF:
1236                 break;
1237         case CONNMAN_IPCONFIG_METHOD_DHCP:
1238         case CONNMAN_IPCONFIG_METHOD_AUTO:
1239                 autoconf_ipv6_set(network);
1240                 break;
1241         case CONNMAN_IPCONFIG_METHOD_FIXED:
1242         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1243                 ret = manual_ipv6_set(network, ipconfig_ipv6);
1244                 if (ret != 0) {
1245                         connman_network_set_error(network,
1246                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1247                         return;
1248                 }
1249                 break;
1250         }
1251
1252         switch (ipv4_method) {
1253         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1254         case CONNMAN_IPCONFIG_METHOD_OFF:
1255         case CONNMAN_IPCONFIG_METHOD_AUTO:
1256                 return;
1257         case CONNMAN_IPCONFIG_METHOD_FIXED:
1258                 if (set_connected_fixed(network) < 0) {
1259                         connman_network_set_error(network,
1260                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1261                         return;
1262                 }
1263                 return;
1264         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1265                 set_connected_manual(network);
1266                 return;
1267         case CONNMAN_IPCONFIG_METHOD_DHCP:
1268                 if (set_connected_dhcp(network) < 0) {
1269                         connman_network_set_error(network,
1270                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1271                         return;
1272                 }
1273         }
1274
1275         network->connecting = FALSE;
1276
1277         connman_network_set_associating(network, FALSE);
1278 }
1279
1280 static void set_disconnected(struct connman_network *network)
1281 {
1282         struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
1283         enum connman_ipconfig_method ipv4_method, ipv6_method;
1284         enum connman_service_state state;
1285         struct connman_service *service;
1286
1287         if (network->connected == FALSE)
1288                 return;
1289
1290         network->connected = FALSE;
1291
1292         service = connman_service_lookup_from_network(network);
1293
1294         ipconfig_ipv4 = __connman_service_get_ip4config(service);
1295         ipconfig_ipv6 = __connman_service_get_ip6config(service);
1296
1297         DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
1298                 ipconfig_ipv6);
1299
1300         ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
1301         ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
1302
1303         DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
1304
1305         /*
1306          * Resetting solicit count here will prevent the RS resend loop
1307          * from sending packets in check_dhcpv6()
1308          */
1309         network->router_solicit_count = 0;
1310
1311         __connman_device_set_network(network->device, NULL);
1312
1313         switch (ipv6_method) {
1314         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1315         case CONNMAN_IPCONFIG_METHOD_OFF:
1316         case CONNMAN_IPCONFIG_METHOD_FIXED:
1317         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1318                 break;
1319         case CONNMAN_IPCONFIG_METHOD_DHCP:
1320         case CONNMAN_IPCONFIG_METHOD_AUTO:
1321                 release_dhcpv6(network);
1322                 break;
1323         }
1324
1325         switch (ipv4_method) {
1326         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1327         case CONNMAN_IPCONFIG_METHOD_OFF:
1328         case CONNMAN_IPCONFIG_METHOD_AUTO:
1329         case CONNMAN_IPCONFIG_METHOD_FIXED:
1330         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1331                 break;
1332         case CONNMAN_IPCONFIG_METHOD_DHCP:
1333                 __connman_dhcp_stop(network);
1334                 break;
1335         }
1336
1337         /*
1338          * We only set the disconnect state if we were not in idle
1339          * or in failure. It does not make sense to go to disconnect
1340          * state if we were not connected.
1341          */
1342         state = __connman_service_ipconfig_get_state(service,
1343                                                 CONNMAN_IPCONFIG_TYPE_IPV4);
1344         if (state != CONNMAN_SERVICE_STATE_IDLE &&
1345                         state != CONNMAN_SERVICE_STATE_FAILURE)
1346                 __connman_service_ipconfig_indicate_state(service,
1347                                         CONNMAN_SERVICE_STATE_DISCONNECT,
1348                                         CONNMAN_IPCONFIG_TYPE_IPV4);
1349
1350         state = __connman_service_ipconfig_get_state(service,
1351                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
1352         if (state != CONNMAN_SERVICE_STATE_IDLE &&
1353                                 state != CONNMAN_SERVICE_STATE_FAILURE)
1354                 __connman_service_ipconfig_indicate_state(service,
1355                                         CONNMAN_SERVICE_STATE_DISCONNECT,
1356                                         CONNMAN_IPCONFIG_TYPE_IPV6);
1357
1358         __connman_connection_gateway_remove(service,
1359                                         CONNMAN_IPCONFIG_TYPE_ALL);
1360
1361         __connman_ipconfig_address_unset(ipconfig_ipv4);
1362         __connman_ipconfig_address_unset(ipconfig_ipv6);
1363
1364         /*
1365          * Special handling for IPv6 autoconfigured address.
1366          * The simplest way to remove autoconfigured routes is to
1367          * disable IPv6 temporarily so that kernel will do the cleanup
1368          * automagically.
1369          */
1370         if (ipv6_method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1371                 __connman_ipconfig_disable_ipv6(ipconfig_ipv6);
1372                 __connman_ipconfig_enable_ipv6(ipconfig_ipv6);
1373         }
1374
1375         __connman_service_ipconfig_indicate_state(service,
1376                                                 CONNMAN_SERVICE_STATE_IDLE,
1377                                                 CONNMAN_IPCONFIG_TYPE_IPV4);
1378
1379         __connman_service_ipconfig_indicate_state(service,
1380                                                 CONNMAN_SERVICE_STATE_IDLE,
1381                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
1382
1383         network->connecting = FALSE;
1384
1385         connman_network_set_associating(network, FALSE);
1386 }
1387
1388 /**
1389  * connman_network_set_connected:
1390  * @network: network structure
1391  * @connected: connected state
1392  *
1393  * Change connected state of network
1394  */
1395 int connman_network_set_connected(struct connman_network *network,
1396                                                 connman_bool_t connected)
1397 {
1398         DBG("network %p connected %d/%d connecting %d associating %d",
1399                 network, network->connected, connected, network->connecting,
1400                 network->associating);
1401
1402         if ((network->connecting == TRUE || network->associating == TRUE) &&
1403                                                         connected == FALSE) {
1404                 connman_network_set_error(network,
1405                                         CONNMAN_NETWORK_ERROR_CONNECT_FAIL);
1406                 if (__connman_network_disconnect(network) == 0)
1407                         return 0;
1408         }
1409
1410         if (network->connected == connected)
1411                 return -EALREADY;
1412
1413         if (connected == FALSE)
1414                 set_disconnected(network);
1415         else
1416                 set_connected(network);
1417
1418         return 0;
1419 }
1420
1421 /**
1422  * connman_network_get_connected:
1423  * @network: network structure
1424  *
1425  * Get network connection status
1426  */
1427 connman_bool_t connman_network_get_connected(struct connman_network *network)
1428 {
1429         return network->connected;
1430 }
1431
1432 /**
1433  * connman_network_get_associating:
1434  * @network: network structure
1435  *
1436  * Get network associating status
1437  */
1438 connman_bool_t connman_network_get_associating(struct connman_network *network)
1439 {
1440         return network->associating;
1441 }
1442
1443 void connman_network_clear_hidden(void *user_data)
1444 {
1445         if (user_data == NULL)
1446                 return;
1447
1448         DBG("user_data %p", user_data);
1449
1450         /*
1451          * Hidden service does not have a connect timeout so
1452          * we do not need to remove it. We can just return
1453          * error to the caller telling that we could not find
1454          * any network that we could connect to.
1455          */
1456         __connman_service_reply_dbus_pending(user_data, EIO);
1457 }
1458
1459 int connman_network_connect_hidden(struct connman_network *network,
1460                         char *identity, char* passphrase, void *user_data)
1461 {
1462         int err = 0;
1463         struct connman_service *service;
1464
1465         service = connman_service_lookup_from_network(network);
1466
1467         DBG("network %p service %p user_data %p", network, service, user_data);
1468
1469         if (service == NULL) {
1470                 err = -EINVAL;
1471                 goto out;
1472         }
1473
1474         if (identity != NULL)
1475                 __connman_service_set_agent_identity(service, identity);
1476
1477         if (passphrase != NULL)
1478                 err = __connman_service_add_passphrase(service, passphrase);
1479
1480         if (err == -ENOKEY) {
1481                 __connman_service_indicate_error(service,
1482                                         CONNMAN_SERVICE_ERROR_INVALID_KEY);
1483                 goto out;
1484         } else {
1485                 __connman_service_set_hidden(service);
1486                 __connman_service_set_userconnect(service, TRUE);
1487                 __connman_service_set_hidden_data(service, user_data);
1488                 return __connman_service_connect(service);
1489         }
1490
1491 out:
1492         __connman_service_return_error(service, -err, user_data);
1493         return err;
1494 }
1495
1496 /**
1497  * __connman_network_connect:
1498  * @network: network structure
1499  *
1500  * Connect network
1501  */
1502 int __connman_network_connect(struct connman_network *network)
1503 {
1504         int err;
1505
1506         DBG("network %p", network);
1507
1508         if (network->connected == TRUE)
1509                 return -EISCONN;
1510
1511         if (network->connecting == TRUE || network->associating == TRUE)
1512                 return -EALREADY;
1513
1514         if (network->driver == NULL)
1515                 return -EUNATCH;
1516
1517         if (network->driver->connect == NULL)
1518                 return -ENOSYS;
1519
1520         if (network->device == NULL)
1521                 return -ENODEV;
1522
1523         network->connecting = TRUE;
1524
1525         __connman_device_disconnect(network->device);
1526
1527         err = network->driver->connect(network);
1528         if (err < 0) {
1529                 if (err == -EINPROGRESS)
1530                         connman_network_set_associating(network, TRUE);
1531                 else {
1532                         network->connecting = FALSE;
1533                 }
1534
1535                 return err;
1536         }
1537
1538         set_connected(network);
1539
1540         return err;
1541 }
1542
1543 /**
1544  * __connman_network_disconnect:
1545  * @network: network structure
1546  *
1547  * Disconnect network
1548  */
1549 int __connman_network_disconnect(struct connman_network *network)
1550 {
1551         int err;
1552
1553         DBG("network %p", network);
1554
1555         if (network->connected == FALSE && network->connecting == FALSE &&
1556                                                 network->associating == FALSE)
1557                 return -ENOTCONN;
1558
1559         if (network->driver == NULL)
1560                 return -EUNATCH;
1561
1562         if (network->driver->disconnect == NULL)
1563                 return -ENOSYS;
1564
1565         network->connecting = FALSE;
1566
1567         err = network->driver->disconnect(network);
1568         if (err == 0)
1569                 set_disconnected(network);
1570
1571         return err;
1572 }
1573
1574 static int manual_ipv4_set(struct connman_network *network,
1575                                 struct connman_ipconfig *ipconfig)
1576 {
1577         struct connman_service *service;
1578         int err;
1579
1580         service = connman_service_lookup_from_network(network);
1581         if (service == NULL)
1582                 return -EINVAL;
1583
1584         err = __connman_ipconfig_address_add(ipconfig);
1585         if (err < 0) {
1586                 connman_network_set_error(network,
1587                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
1588                 return err;
1589         }
1590
1591         return __connman_ipconfig_gateway_add(ipconfig);
1592 }
1593
1594 int __connman_network_clear_ipconfig(struct connman_network *network,
1595                                         struct connman_ipconfig *ipconfig)
1596 {
1597         struct connman_service *service;
1598         enum connman_ipconfig_method method;
1599         enum connman_ipconfig_type type;
1600
1601         service = connman_service_lookup_from_network(network);
1602         if (service == NULL)
1603                 return -EINVAL;
1604
1605         method = __connman_ipconfig_get_method(ipconfig);
1606         type = __connman_ipconfig_get_config_type(ipconfig);
1607
1608         switch (method) {
1609         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1610         case CONNMAN_IPCONFIG_METHOD_OFF:
1611         case CONNMAN_IPCONFIG_METHOD_FIXED:
1612                 return -EINVAL;
1613         case CONNMAN_IPCONFIG_METHOD_AUTO:
1614                 release_dhcpv6(network);
1615                 break;
1616         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1617                 __connman_ipconfig_address_remove(ipconfig);
1618                 break;
1619         case CONNMAN_IPCONFIG_METHOD_DHCP:
1620                 __connman_dhcp_stop(network);
1621                 break;
1622         }
1623
1624         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1625                 __connman_service_ipconfig_indicate_state(service,
1626                                         CONNMAN_SERVICE_STATE_CONFIGURATION,
1627                                         CONNMAN_IPCONFIG_TYPE_IPV6);
1628         else if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1629                 __connman_service_ipconfig_indicate_state(service,
1630                                         CONNMAN_SERVICE_STATE_CONFIGURATION,
1631                                         CONNMAN_IPCONFIG_TYPE_IPV4);
1632
1633         return 0;
1634 }
1635
1636 int __connman_network_set_ipconfig(struct connman_network *network,
1637                                         struct connman_ipconfig *ipconfig_ipv4,
1638                                         struct connman_ipconfig *ipconfig_ipv6)
1639 {
1640         enum connman_ipconfig_method method;
1641         int ret;
1642
1643         if (network == NULL)
1644                 return -EINVAL;
1645
1646         if (ipconfig_ipv6) {
1647                 method = __connman_ipconfig_get_method(ipconfig_ipv6);
1648
1649                 switch (method) {
1650                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1651                 case CONNMAN_IPCONFIG_METHOD_OFF:
1652                         break;
1653                 case CONNMAN_IPCONFIG_METHOD_AUTO:
1654                         autoconf_ipv6_set(network);
1655                         break;
1656                 case CONNMAN_IPCONFIG_METHOD_FIXED:
1657                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
1658                         ret = manual_ipv6_set(network, ipconfig_ipv6);
1659                         if (ret != 0) {
1660                                 connman_network_set_error(network,
1661                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
1662                                 return ret;
1663                         }
1664                         break;
1665                 case CONNMAN_IPCONFIG_METHOD_DHCP:
1666                         break;
1667                 }
1668         }
1669
1670         if (ipconfig_ipv4) {
1671                 method = __connman_ipconfig_get_method(ipconfig_ipv4);
1672
1673                 switch (method) {
1674                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1675                 case CONNMAN_IPCONFIG_METHOD_OFF:
1676                 case CONNMAN_IPCONFIG_METHOD_FIXED:
1677                 case CONNMAN_IPCONFIG_METHOD_AUTO:
1678                         return -EINVAL;
1679                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
1680                         return manual_ipv4_set(network, ipconfig_ipv4);
1681                 case CONNMAN_IPCONFIG_METHOD_DHCP:
1682                         return __connman_dhcp_start(network, dhcp_callback);
1683                 }
1684         }
1685
1686         return 0;
1687 }
1688
1689 int connman_network_set_ipaddress(struct connman_network *network,
1690                                         struct connman_ipaddress *ipaddress)
1691 {
1692         struct connman_service *service;
1693         struct connman_ipconfig *ipconfig = NULL;
1694
1695         DBG("network %p", network);
1696
1697         service = connman_service_lookup_from_network(network);
1698         if (service == NULL)
1699                 return -EINVAL;
1700
1701         ipconfig = __connman_service_get_ipconfig(service, ipaddress->family);
1702         if (ipconfig == NULL)
1703                 return -EINVAL;
1704
1705         __connman_ipconfig_set_local(ipconfig, ipaddress->local);
1706         __connman_ipconfig_set_peer(ipconfig, ipaddress->peer);
1707         __connman_ipconfig_set_broadcast(ipconfig, ipaddress->broadcast);
1708         __connman_ipconfig_set_prefixlen(ipconfig, ipaddress->prefixlen);
1709         __connman_ipconfig_set_gateway(ipconfig, ipaddress->gateway);
1710
1711         return 0;
1712 }
1713
1714 int connman_network_set_nameservers(struct connman_network *network,
1715                                 const char *nameservers)
1716 {
1717         struct connman_service *service;
1718         char **nameservers_array;
1719         int i;
1720
1721         DBG("network %p nameservers %s", network, nameservers);
1722
1723         service = connman_service_lookup_from_network(network);
1724         if (service == NULL)
1725                 return -EINVAL;
1726
1727         __connman_service_nameserver_clear(service);
1728
1729         if (nameservers == NULL)
1730                 return 0;
1731
1732         nameservers_array = g_strsplit(nameservers, " ", 0);
1733
1734         for (i = 0; nameservers_array[i] != NULL; i++) {
1735                 __connman_service_nameserver_append(service,
1736                                                 nameservers_array[i], FALSE);
1737         }
1738
1739         g_strfreev(nameservers_array);
1740
1741         return 0;
1742 }
1743
1744 int connman_network_set_domain(struct connman_network *network,
1745                                 const char *domain)
1746 {
1747         struct connman_service *service;
1748
1749         DBG("network %p domain %s", network, domain);
1750
1751         service = connman_service_lookup_from_network(network);
1752         if (service == NULL)
1753                 return -EINVAL;
1754
1755         __connman_service_set_domainname(service, domain);
1756
1757         return 0;
1758 }
1759
1760 /**
1761  * connman_network_set_name:
1762  * @network: network structure
1763  * @name: name value
1764  *
1765  * Set display name value for network
1766  */
1767 int connman_network_set_name(struct connman_network *network,
1768                                                         const char *name)
1769 {
1770         DBG("network %p name %s", network, name);
1771
1772         g_free(network->name);
1773         network->name = g_strdup(name);
1774
1775         return 0;
1776 }
1777
1778 /**
1779  * connman_network_set_strength:
1780  * @network: network structure
1781  * @strength: strength value
1782  *
1783  * Set signal strength value for network
1784  */
1785
1786 int connman_network_set_strength(struct connman_network *network,
1787                                                 connman_uint8_t strength)
1788 {
1789         DBG("network %p strengh %d", network, strength);
1790
1791         network->strength = strength;
1792
1793         return 0;
1794 }
1795
1796 connman_uint8_t connman_network_get_strength(struct connman_network *network)
1797 {
1798         return network->strength;
1799 }
1800
1801 int connman_network_set_frequency(struct connman_network *network,
1802                                                 connman_uint16_t frequency)
1803 {
1804         DBG("network %p frequency %d", network, frequency);
1805
1806         network->frequency = frequency;
1807
1808         return 0;
1809 }
1810
1811 connman_uint16_t connman_network_get_frequency(struct connman_network *network)
1812 {
1813         return network->frequency;
1814 }
1815
1816 int connman_network_set_wifi_channel(struct connman_network *network,
1817                                                 connman_uint16_t channel)
1818 {
1819         DBG("network %p wifi channel %d", network, channel);
1820
1821         network->wifi.channel = channel;
1822
1823         return 0;
1824 }
1825
1826 connman_uint16_t connman_network_get_wifi_channel(struct connman_network *network)
1827 {
1828         return network->wifi.channel;
1829 }
1830
1831 /**
1832  * connman_network_set_string:
1833  * @network: network structure
1834  * @key: unique identifier
1835  * @value: string value
1836  *
1837  * Set string value for specific key
1838  */
1839 int connman_network_set_string(struct connman_network *network,
1840                                         const char *key, const char *value)
1841 {
1842         DBG("network %p key %s value %s", network, key, value);
1843
1844         if (g_strcmp0(key, "Name") == 0)
1845                 return connman_network_set_name(network, value);
1846
1847         if (g_str_equal(key, "Path") == TRUE) {
1848                 g_free(network->path);
1849                 network->path = g_strdup(value);
1850         } else if (g_str_equal(key, "Node") == TRUE) {
1851                 g_free(network->node);
1852                 network->node = g_strdup(value);
1853         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1854                 g_free(network->wifi.mode);
1855                 network->wifi.mode = g_strdup(value);
1856         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1857                 g_free(network->wifi.security);
1858                 network->wifi.security = g_strdup(value);
1859         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1860                 g_free(network->wifi.passphrase);
1861                 network->wifi.passphrase = g_strdup(value);
1862         } else if (g_str_equal(key, "WiFi.AgentPassphrase") == TRUE) {
1863                 g_free(network->wifi.agent_passphrase);
1864                 network->wifi.agent_passphrase = g_strdup(value);
1865         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1866                 g_free(network->wifi.eap);
1867                 network->wifi.eap = g_strdup(value);
1868         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1869                 g_free(network->wifi.identity);
1870                 network->wifi.identity = g_strdup(value);
1871         } else if (g_str_equal(key, "WiFi.AgentIdentity") == TRUE) {
1872                 g_free(network->wifi.agent_identity);
1873                 network->wifi.agent_identity = g_strdup(value);
1874         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1875                 g_free(network->wifi.ca_cert_path);
1876                 network->wifi.ca_cert_path = g_strdup(value);
1877         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1878                 g_free(network->wifi.client_cert_path);
1879                 network->wifi.client_cert_path = g_strdup(value);
1880         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1881                 g_free(network->wifi.private_key_path);
1882                 network->wifi.private_key_path = g_strdup(value);
1883         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1884                 g_free(network->wifi.private_key_passphrase);
1885                 network->wifi.private_key_passphrase = g_strdup(value);
1886         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1887                 g_free(network->wifi.phase2_auth);
1888                 network->wifi.phase2_auth = g_strdup(value);
1889         } else if (g_str_equal(key, "WiFi.PinWPS") == TRUE) {
1890                 g_free(network->wifi.pin_wps);
1891                 network->wifi.pin_wps = g_strdup(value);
1892         } else {
1893                 return -EINVAL;
1894         }
1895
1896         return 0;
1897 }
1898
1899 /**
1900  * connman_network_get_string:
1901  * @network: network structure
1902  * @key: unique identifier
1903  *
1904  * Get string value for specific key
1905  */
1906 const char *connman_network_get_string(struct connman_network *network,
1907                                                         const char *key)
1908 {
1909         DBG("network %p key %s", network, key);
1910
1911         if (g_str_equal(key, "Path") == TRUE)
1912                 return network->path;
1913         else if (g_str_equal(key, "Name") == TRUE)
1914                 return network->name;
1915         else if (g_str_equal(key, "Node") == TRUE)
1916                 return network->node;
1917         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1918                 return network->wifi.mode;
1919         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1920                 return network->wifi.security;
1921         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1922                 return network->wifi.passphrase;
1923         else if (g_str_equal(key, "WiFi.AgentPassphrase") == TRUE)
1924                 return network->wifi.agent_passphrase;
1925         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1926                 return network->wifi.eap;
1927         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1928                 return network->wifi.identity;
1929         else if (g_str_equal(key, "WiFi.AgentIdentity") == TRUE)
1930                 return network->wifi.agent_identity;
1931         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1932                 return network->wifi.ca_cert_path;
1933         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1934                 return network->wifi.client_cert_path;
1935         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1936                 return network->wifi.private_key_path;
1937         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1938                 return network->wifi.private_key_passphrase;
1939         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1940                 return network->wifi.phase2_auth;
1941         else if (g_str_equal(key, "WiFi.PinWPS") == TRUE)
1942                 return network->wifi.pin_wps;
1943
1944         return NULL;
1945 }
1946
1947 /**
1948  * connman_network_set_bool:
1949  * @network: network structure
1950  * @key: unique identifier
1951  * @value: boolean value
1952  *
1953  * Set boolean value for specific key
1954  */
1955 int connman_network_set_bool(struct connman_network *network,
1956                                         const char *key, connman_bool_t value)
1957 {
1958         DBG("network %p key %s value %d", network, key, value);
1959
1960         if (g_strcmp0(key, "Roaming") == 0)
1961                 network->roaming = value;
1962         else if (g_strcmp0(key, "WiFi.WPS") == 0)
1963                 network->wifi.wps = value;
1964         else if (g_strcmp0(key, "WiFi.UseWPS") == 0)
1965                 network->wifi.use_wps = value;
1966
1967         return -EINVAL;
1968 }
1969
1970 /**
1971  * connman_network_get_bool:
1972  * @network: network structure
1973  * @key: unique identifier
1974  *
1975  * Get boolean value for specific key
1976  */
1977 connman_bool_t connman_network_get_bool(struct connman_network *network,
1978                                                         const char *key)
1979 {
1980         DBG("network %p key %s", network, key);
1981
1982         if (g_str_equal(key, "Roaming") == TRUE)
1983                 return network->roaming;
1984         else if (g_str_equal(key, "WiFi.WPS") == TRUE)
1985                 return network->wifi.wps;
1986         else if (g_str_equal(key, "WiFi.UseWPS") == TRUE)
1987                 return network->wifi.use_wps;
1988
1989         return FALSE;
1990 }
1991
1992 /**
1993  * connman_network_set_blob:
1994  * @network: network structure
1995  * @key: unique identifier
1996  * @data: blob data
1997  * @size: blob size
1998  *
1999  * Set binary blob value for specific key
2000  */
2001 int connman_network_set_blob(struct connman_network *network,
2002                         const char *key, const void *data, unsigned int size)
2003 {
2004         DBG("network %p key %s size %d", network, key, size);
2005
2006         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
2007                 g_free(network->wifi.ssid);
2008                 network->wifi.ssid = g_try_malloc(size);
2009                 if (network->wifi.ssid != NULL) {
2010                         memcpy(network->wifi.ssid, data, size);
2011                         network->wifi.ssid_len = size;
2012                 } else
2013                         network->wifi.ssid_len = 0;
2014         } else {
2015                 return -EINVAL;
2016         }
2017
2018         return 0;
2019 }
2020
2021 /**
2022  * connman_network_get_blob:
2023  * @network: network structure
2024  * @key: unique identifier
2025  * @size: pointer to blob size
2026  *
2027  * Get binary blob value for specific key
2028  */
2029 const void *connman_network_get_blob(struct connman_network *network,
2030                                         const char *key, unsigned int *size)
2031 {
2032         DBG("network %p key %s", network, key);
2033
2034         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
2035                 if (size != NULL)
2036                         *size = network->wifi.ssid_len;
2037                 return network->wifi.ssid;
2038         }
2039
2040         return NULL;
2041 }
2042
2043 void __connman_network_set_device(struct connman_network *network,
2044                                         struct connman_device *device)
2045 {
2046         if (network->device == device)
2047                 return;
2048
2049         if (network->device != NULL)
2050                 network_remove(network);
2051
2052         network->device = device;
2053
2054         if (network->device != NULL)
2055                 network_probe(network);
2056 }
2057
2058 /**
2059  * connman_network_get_device:
2060  * @network: network structure
2061  *
2062  * Get parent device of network
2063  */
2064 struct connman_device *connman_network_get_device(struct connman_network *network)
2065 {
2066         return network->device;
2067 }
2068
2069 /**
2070  * connman_network_get_data:
2071  * @network: network structure
2072  *
2073  * Get private network data pointer
2074  */
2075 void *connman_network_get_data(struct connman_network *network)
2076 {
2077         return network->driver_data;
2078 }
2079
2080 /**
2081  * connman_network_set_data:
2082  * @network: network structure
2083  * @data: data pointer
2084  *
2085  * Set private network data pointer
2086  */
2087 void connman_network_set_data(struct connman_network *network, void *data)
2088 {
2089         network->driver_data = data;
2090 }
2091
2092 void connman_network_update(struct connman_network *network)
2093 {
2094         switch (network->type) {
2095         case CONNMAN_NETWORK_TYPE_UNKNOWN:
2096         case CONNMAN_NETWORK_TYPE_VENDOR:
2097                 return;
2098         case CONNMAN_NETWORK_TYPE_ETHERNET:
2099         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
2100         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
2101         case CONNMAN_NETWORK_TYPE_CELLULAR:
2102         case CONNMAN_NETWORK_TYPE_WIFI:
2103         case CONNMAN_NETWORK_TYPE_WIMAX:
2104                 break;
2105         }
2106
2107         if (network->group != NULL)
2108                 __connman_service_update_from_network(network);
2109 }
2110
2111 int __connman_network_init(void)
2112 {
2113         DBG("");
2114
2115         return 0;
2116 }
2117
2118 void __connman_network_cleanup(void)
2119 {
2120         DBG("");
2121 }