src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static unsigned int hidden_counter = 0;
  34
  35 struct connman_network {
  36         struct connman_element element;
  37         enum connman_network_type type;
  38         enum connman_network_protocol protocol;
  39         connman_bool_t available;
  40         connman_bool_t connected;
  41         connman_bool_t roaming;
  42         connman_bool_t hidden;
  43         connman_uint8_t strength;
  44         connman_uint16_t frequency;
  45         char *identifier;
  46         char *address;
  47         char *name;
  48         char *node;
  49         char *group;
  50         struct connman_ipconfig *ipconfig;
  51
  52         struct connman_network_driver *driver;
  53         void *driver_data;
  54
  55         connman_bool_t registered;
  56         connman_bool_t connecting;
  57         connman_bool_t associating;
  58
  59         struct connman_device *device;
  60
  61         struct {
  62                 void *ssid;
  63                 int ssid_len;
  64                 char *mode;
  65                 unsigned short channel;
  66                 char *security;
  67                 char *passphrase;
  68                 char *eap;
  69                 char *identity;
  70                 char *ca_cert_path;
  71                 char *client_cert_path;
  72                 char *private_key_path;
  73                 char *private_key_passphrase;
  74                 char *phase2_auth;
  75         } wifi;
  76 };
  77
  78 static const char *type2string(enum connman_network_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  82         case CONNMAN_NETWORK_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_NETWORK_TYPE_ETHERNET:
  85                 return "ethernet";
  86         case CONNMAN_NETWORK_TYPE_WIFI:
  87                 return "wifi";
  88         case CONNMAN_NETWORK_TYPE_WIMAX:
  89                 return "wimax";
  90         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  91         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  92                 return "bluetooth";
  93         case CONNMAN_NETWORK_TYPE_CELLULAR:
  94                 return "cellular";
  95         }
  96
  97         return NULL;
  98 }
  99
 100 static DBusMessage *get_properties(DBusConnection *conn,
 101                                         DBusMessage *msg, void *data)
 102 {
 103         struct connman_network *network = data;
 104         DBusMessage *reply;
 105         DBusMessageIter array, dict;
 106
 107         DBG("conn %p", conn);
 108
 109         if (__connman_security_check_privilege(msg,
 110                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 111                 return __connman_error_permission_denied(msg);
 112
 113         reply = dbus_message_new_method_return(msg);
 114         if (reply == NULL)
 115                 return NULL;
 116
 117         dbus_message_iter_init_append(reply, &array);
 118
 119         connman_dbus_dict_open(&array, &dict);
 120
 121         if (network->device) {
 122                 const char *path = connman_device_get_path(network->device);
 123                 if (path != NULL)
 124                         connman_dbus_dict_append_basic(&dict, "Device",
 125                                                 DBUS_TYPE_OBJECT_PATH, &path);
 126         }
 127
 128         if (network->address != NULL)
 129                 connman_dbus_dict_append_basic(&dict, "Address",
 130                                         DBUS_TYPE_STRING, &network->address);
 131
 132         if (network->name != NULL)
 133                 connman_dbus_dict_append_basic(&dict, "Name",
 134                                         DBUS_TYPE_STRING, &network->name);
 135
 136         connman_dbus_dict_append_basic(&dict, "Connected",
 137                                 DBUS_TYPE_BOOLEAN, &network->connected);
 138
 139         if (network->strength > 0)
 140                 connman_dbus_dict_append_basic(&dict, "Strength",
 141                                         DBUS_TYPE_BYTE, &network->strength);
 142
 143         if (network->frequency > 0)
 144                 connman_dbus_dict_append_basic(&dict, "Frequency",
 145                                         DBUS_TYPE_UINT16, &network->frequency);
 146
 147         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 148                 connman_dbus_dict_append_fixed_array(&dict, "WiFi.SSID",
 149                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 150                                                 network->wifi.ssid_len);
 151
 152         if (network->wifi.mode != NULL)
 153                 connman_dbus_dict_append_basic(&dict, "WiFi.Mode",
 154                                 DBUS_TYPE_STRING, &network->wifi.mode);
 155
 156         if (network->wifi.channel > 0)
 157                 connman_dbus_dict_append_basic(&dict, "WiFi.Channel",
 158                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 159
 160         if (network->wifi.security != NULL) {
 161                 connman_dbus_dict_append_basic(&dict, "WiFi.Security",
 162                                 DBUS_TYPE_STRING, &network->wifi.security);
 163
 164                 if (g_strcmp0(network->wifi.security, "ieee8021x") == 0 &&
 165                                                     network->wifi.eap != NULL)
 166                         connman_dbus_dict_append_basic(&dict, "WiFi.EAP",
 167                                         DBUS_TYPE_STRING, &network->wifi.eap);
 168         }
 169
 170
 171         if (network->wifi.passphrase != NULL &&
 172                         __connman_security_check_privilege(msg,
 173                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 174                 connman_dbus_dict_append_basic(&dict, "WiFi.Passphrase",
 175                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 176
 177         connman_dbus_dict_close(&array, &dict);
 178
 179         return reply;
 180 }
 181
 182 static GDBusMethodTable network_methods[] = {
 183         { "GetProperties", "",   "a{sv}", get_properties },
 184         { },
 185 };
 186
 187 static GDBusSignalTable network_signals[] = {
 188         { "PropertyChanged", "sv" },
 189         { },
 190 };
 191
 192 static DBusConnection *connection;
 193
 194 static void append_networks(DBusMessageIter *iter, void *user_data)
 195 {
 196         struct connman_device *device = user_data;
 197
 198         __connman_element_list((struct connman_element *) device,
 199                                         CONNMAN_ELEMENT_TYPE_NETWORK, iter);
 200 }
 201
 202 static void emit_networks_signal(struct connman_device *device)
 203 {
 204         const char *path = connman_device_get_path(device);
 205
 206         connman_dbus_property_changed_array(path,
 207                         CONNMAN_DEVICE_INTERFACE, "Networks",
 208                         DBUS_TYPE_OBJECT_PATH, append_networks, device);
 209 }
 210
 211 static int register_interface(struct connman_element *element)
 212 {
 213         struct connman_network *network = element->network;
 214
 215         DBG("element %p name %s", element, element->name);
 216
 217         if (g_dbus_register_interface(connection, element->path,
 218                                         CONNMAN_NETWORK_INTERFACE,
 219                                         network_methods, network_signals,
 220                                         NULL, network, NULL) == FALSE) {
 221                 connman_error("Failed to register %s network", element->path);
 222                 return -EIO;
 223         }
 224
 225         network->registered = TRUE;
 226
 227         emit_networks_signal(network->device);
 228
 229         return 0;
 230 }
 231
 232 static void unregister_interface(struct connman_element *element)
 233 {
 234         struct connman_network * network = element->network;
 235
 236         DBG("element %p name %s", element, element->name);
 237
 238         network->registered = FALSE;
 239
 240         if (network->device != NULL)
 241                 emit_networks_signal(network->device);
 242
 243         g_dbus_unregister_interface(connection, element->path,
 244                                                 CONNMAN_NETWORK_INTERFACE);
 245 }
 246
 247 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 248 {
 249         if (network == NULL || network->driver == NULL)
 250                 return FALSE;
 251
 252         return network->registered;
 253 }
 254
 255 static GSList *driver_list = NULL;
 256
 257 static gint compare_priority(gconstpointer a, gconstpointer b)
 258 {
 259         const struct connman_network_driver *driver1 = a;
 260         const struct connman_network_driver *driver2 = b;
 261
 262         return driver2->priority - driver1->priority;
 263 }
 264
 265 /**
 266  * connman_network_driver_register:
 267  * @driver: network driver definition
 268  *
 269  * Register a new network driver
 270  *
 271  * Returns: %0 on success
 272  */
 273 int connman_network_driver_register(struct connman_network_driver *driver)
 274 {
 275         DBG("driver %p name %s", driver, driver->name);
 276
 277         driver_list = g_slist_insert_sorted(driver_list, driver,
 278                                                         compare_priority);
 279
 280         return 0;
 281 }
 282
 283 /**
 284  * connman_network_driver_unregister:
 285  * @driver: network driver definition
 286  *
 287  * Remove a previously registered network driver
 288  */
 289 void connman_network_driver_unregister(struct connman_network_driver *driver)
 290 {
 291         DBG("driver %p name %s", driver, driver->name);
 292
 293         driver_list = g_slist_remove(driver_list, driver);
 294 }
 295
 296 static void network_destruct(struct connman_element *element)
 297 {
 298         struct connman_network *network = element->network;
 299
 300         DBG("element %p name %s", element, element->name);
 301
 302         g_free(network->wifi.ssid);
 303         g_free(network->wifi.mode);
 304         g_free(network->wifi.security);
 305         g_free(network->wifi.passphrase);
 306
 307         g_free(network->group);
 308         g_free(network->node);
 309         g_free(network->name);
 310         g_free(network->address);
 311         g_free(network->identifier);
 312
 313         if (network->ipconfig) {
 314                 connman_ipconfig_unref(network->ipconfig);
 315                 network->ipconfig = NULL;
 316         }
 317
 318         network->device = NULL;
 319 }
 320
 321 /**
 322  * connman_network_create:
 323  * @identifier: network identifier (for example an unqiue name)
 324  *
 325  * Allocate a new network and assign the #identifier to it.
 326  *
 327  * Returns: a newly-allocated #connman_network structure
 328  */
 329 struct connman_network *connman_network_create(const char *identifier,
 330                                                 enum connman_network_type type)
 331 {
 332         struct connman_network *network;
 333         connman_uint8_t strength = 0;
 334         const char *str;
 335         char *temp;
 336
 337         DBG("identifier %s type %d", identifier, type);
 338
 339         network = g_try_new0(struct connman_network, 1);
 340         if (network == NULL)
 341                 return NULL;
 342
 343         DBG("network %p", network);
 344
 345         __connman_element_initialize(&network->element);
 346
 347         //temp = connman_dbus_encode_string(identifier);
 348         if (identifier == NULL) {
 349                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 350                 network->hidden = TRUE;
 351         } else
 352                 temp = g_strdup(identifier);
 353
 354         if (temp == NULL) {
 355                 g_free(network);
 356                 return NULL;
 357         }
 358
 359         network->element.name = temp;
 360         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 361
 362         network->element.network = network;
 363         network->element.destruct = network_destruct;
 364
 365         str = type2string(type);
 366         if (str != NULL)
 367                 connman_element_set_string(&network->element, "Type", str);
 368
 369         connman_element_set_uint8(&network->element, "Strength", strength);
 370
 371         network->type       = type;
 372         network->identifier = g_strdup(temp);
 373
 374         return network;
 375 }
 376
 377 /**
 378  * connman_network_ref:
 379  * @network: network structure
 380  *
 381  * Increase reference counter of  network
 382  */
 383 struct connman_network *connman_network_ref(struct connman_network *network)
 384 {
 385         if (connman_element_ref(&network->element) == NULL)
 386                 return NULL;
 387
 388         return network;
 389 }
 390
 391 /**
 392  * connman_network_unref:
 393  * @network: network structure
 394  *
 395  * Decrease reference counter of network
 396  */
 397 void connman_network_unref(struct connman_network *network)
 398 {
 399         connman_element_unref(&network->element);
 400 }
 401
 402 const char *__connman_network_get_type(struct connman_network *network)
 403 {
 404         return type2string(network->type);
 405 }
 406
 407 /**
 408  * connman_network_get_type:
 409  * @network: network structure
 410  *
 411  * Get type of network
 412  */
 413 enum connman_network_type connman_network_get_type(struct connman_network *network)
 414 {
 415         return network->type;
 416 }
 417
 418 /**
 419  * connman_network_get_identifier:
 420  * @network: network structure
 421  *
 422  * Get identifier of network
 423  */
 424 const char *connman_network_get_identifier(struct connman_network *network)
 425 {
 426         return network->identifier;
 427 }
 428
 429 /**
 430  * connman_network_get_path:
 431  * @network: network structure
 432  *
 433  * Get path name of network
 434  */
 435 const char *connman_network_get_path(struct connman_network *network)
 436 {
 437         return network->element.path;
 438 }
 439
 440 /**
 441  * connman_network_set_index:
 442  * @network: network structure
 443  * @index: index number
 444  *
 445  * Set index number of network
 446  */
 447 void connman_network_set_index(struct connman_network *network, int index)
 448 {
 449         struct connman_service *service;
 450
 451         service = __connman_service_lookup_from_network(network);
 452         if (service == NULL)
 453                 goto done;
 454
 455         if (network->element.index < 0)
 456                 /*
 457                  * This is needed for plugins that havent set their ipconfig
 458                  * layer yet, due to not being able to get a network index
 459                  * prior to creating a service.
 460                  */
 461                 __connman_service_create_ipconfig(service, index);
 462         else {
 463                 struct connman_ipconfig *ipconfig;
 464
 465                 /* If index changed, the index of ipconfig must be reset. */
 466                 ipconfig = __connman_service_get_ipconfig(service);
 467                 if (ipconfig == NULL)
 468                         goto done;
 469
 470                 __connman_ipconfig_set_index(ipconfig, index);
 471         }
 472
 473 done:
 474         network->element.index = index;
 475 }
 476
 477 /**
 478  * connman_network_get_index:
 479  * @network: network structure
 480  *
 481  * Get index number of network
 482  */
 483 int connman_network_get_index(struct connman_network *network)
 484 {
 485         return network->element.index;
 486 }
 487
 488 /**
 489  * connman_network_get_element:
 490  * @network: network structure
 491  *
 492  * Get connman_element of network
 493  */
 494 struct connman_element *connman_network_get_element(
 495                                 struct connman_network *network)
 496 {
 497         return &network->element;
 498 }
 499
 500 /**
 501  * connman_network_set_protocol:
 502  * @network: network structure
 503  * @protocol: network protocol
 504  *
 505  * Change protocol of network
 506  */
 507 void connman_network_set_protocol(struct connman_network *network,
 508                                         enum connman_network_protocol protocol)
 509 {
 510         network->protocol = protocol;
 511 }
 512
 513 /**
 514  * connman_network_set_group:
 515  * @network: network structure
 516  * @group: group name
 517  *
 518  * Set group name for automatic clustering
 519  */
 520 void connman_network_set_group(struct connman_network *network,
 521                                                         const char *group)
 522 {
 523         switch (network->type) {
 524         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 525         case CONNMAN_NETWORK_TYPE_VENDOR:
 526                 return;
 527         case CONNMAN_NETWORK_TYPE_ETHERNET:
 528         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 529         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 530         case CONNMAN_NETWORK_TYPE_CELLULAR:
 531         case CONNMAN_NETWORK_TYPE_WIFI:
 532         case CONNMAN_NETWORK_TYPE_WIMAX:
 533                 break;
 534         }
 535
 536         if (g_strcmp0(network->group, group) == 0) {
 537                 if (group != NULL)
 538                         __connman_profile_update_network(network);
 539                 return;
 540         }
 541
 542         if (network->group != NULL) {
 543                 __connman_profile_remove_network(network);
 544
 545                 g_free(network->group);
 546         }
 547
 548         network->group = g_strdup(group);
 549
 550         if (network->group != NULL)
 551                 __connman_profile_add_network(network);
 552 }
 553
 554 /**
 555  * connman_network_get_group:
 556  * @network: network structure
 557  *
 558  * Get group name for automatic clustering
 559  */
 560 const char *connman_network_get_group(struct connman_network *network)
 561 {
 562         return network->group;
 563 }
 564
 565 const char *__connman_network_get_ident(struct connman_network *network)
 566 {
 567         if (network->device == NULL)
 568                 return NULL;
 569
 570         return __connman_device_get_ident(network->device);
 571 }
 572
 573 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 574 {
 575         switch (network->type) {
 576         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 577         case CONNMAN_NETWORK_TYPE_VENDOR:
 578         case CONNMAN_NETWORK_TYPE_ETHERNET:
 579         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 580         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 581         case CONNMAN_NETWORK_TYPE_CELLULAR:
 582         case CONNMAN_NETWORK_TYPE_WIMAX:
 583                 break;
 584         case CONNMAN_NETWORK_TYPE_WIFI:
 585                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 586                         return TRUE;
 587                 if (network->strength > 0 && network->strength < 20)
 588                         return TRUE;
 589                 break;
 590         }
 591
 592         return FALSE;
 593 }
 594
 595 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 596 {
 597         return network->connecting;
 598 }
 599
 600 /**
 601  * connman_network_set_available:
 602  * @network: network structure
 603  * @available: availability state
 604  *
 605  * Change availability state of network (in range)
 606  */
 607 int connman_network_set_available(struct connman_network *network,
 608                                                 connman_bool_t available)
 609 {
 610         DBG("network %p available %d", network, available);
 611
 612         if (network->available == available)
 613                 return -EALREADY;
 614
 615         network->available = available;
 616
 617         return 0;
 618 }
 619
 620 /**
 621  * connman_network_get_available:
 622  * @network: network structure
 623  *
 624  * Get network available setting
 625  */
 626 connman_bool_t connman_network_get_available(struct connman_network *network)
 627 {
 628         if (network->hidden == TRUE)
 629                 return TRUE;
 630
 631         return network->available;
 632 }
 633
 634 /**
 635  * connman_network_set_associating:
 636  * @network: network structure
 637  * @associating: associating state
 638  *
 639  * Change associating state of network
 640  */
 641 int connman_network_set_associating(struct connman_network *network,
 642                                                 connman_bool_t associating)
 643 {
 644         DBG("network %p associating %d", network, associating);
 645
 646         if (network->associating == associating)
 647                 return -EALREADY;
 648
 649         network->associating = associating;
 650
 651         if (associating == TRUE) {
 652                 struct connman_service *service;
 653
 654                 service = __connman_service_lookup_from_network(network);
 655                 __connman_service_indicate_state(service,
 656                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 657         }
 658
 659         return 0;
 660 }
 661
 662 static void set_associate_error(struct connman_network *network)
 663 {
 664         struct connman_service *service;
 665
 666         if (network->associating == FALSE)
 667                 return ;
 668
 669         network->associating = FALSE;
 670
 671         service = __connman_service_lookup_from_network(network);
 672
 673         __connman_service_indicate_state(service,
 674                                         CONNMAN_SERVICE_STATE_FAILURE);
 675 }
 676
 677 static void set_configure_error(struct connman_network *network)
 678 {
 679         struct connman_service *service;
 680
 681         network->connecting = FALSE;
 682
 683         service = __connman_service_lookup_from_network(network);
 684
 685         __connman_service_indicate_state(service,
 686                                         CONNMAN_SERVICE_STATE_FAILURE);
 687 }
 688
 689 void connman_network_set_method(struct connman_network *network,
 690                                         enum connman_ipconfig_method method)
 691 {
 692         struct connman_service *service;
 693         struct connman_ipconfig *ipconfig;
 694
 695         network->element.ipv4.method = method;
 696
 697         service = __connman_service_lookup_from_network(network);
 698         if (service == NULL)
 699                 return;
 700
 701         ipconfig = __connman_service_get_ipconfig(service);
 702         if (ipconfig == NULL)
 703                 return;
 704
 705         connman_ipconfig_set_method(ipconfig, method);
 706 }
 707
 708 void connman_network_set_error(struct connman_network *network,
 709                                         enum connman_network_error error)
 710 {
 711         DBG("nework %p, error %d", network, error);
 712
 713         network->connecting = FALSE;
 714
 715         switch (error) {
 716         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 717                 return;
 718         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 719                 set_associate_error(network);
 720                 break;
 721         case CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL:
 722                 set_configure_error(network);
 723                 break;
 724         }
 725 }
 726
 727 static void set_configuration(struct connman_network *network)
 728 {
 729         struct connman_service *service;
 730
 731         DBG("network %p", network);
 732
 733         __connman_device_increase_connections(network->device);
 734
 735         __connman_device_set_network(network->device, network);
 736
 737         connman_device_set_disconnected(network->device, FALSE);
 738
 739         service = __connman_service_lookup_from_network(network);
 740         __connman_service_indicate_state(service,
 741                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 742 }
 743
 744 static void set_connected_manual(struct connman_network *network)
 745 {
 746         struct connman_service *service;
 747         struct connman_ipconfig *ipconfig;
 748         int err;
 749
 750         DBG("network %p", network);
 751
 752         service = __connman_service_lookup_from_network(network);
 753
 754         ipconfig = __connman_service_get_ipconfig(service);
 755
 756         set_configuration(network);
 757
 758         err = __connman_ipconfig_set_address(ipconfig);
 759         if (err < 0) {
 760                 connman_network_set_error(network,
 761                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
 762                 return;
 763         }
 764
 765         __connman_ipconfig_set_gateway(ipconfig, &network->element);
 766
 767         network->connecting = FALSE;
 768
 769         connman_network_set_associating(network, FALSE);
 770
 771         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 772 }
 773
 774 static int set_connected_dhcp(struct connman_network *network)
 775 {
 776         struct connman_element *element;
 777         int error;
 778
 779         DBG("network %p", network);
 780
 781         if (network->protocol != CONNMAN_NETWORK_PROTOCOL_IP)
 782                 return -EINVAL;
 783
 784         element = connman_element_create(NULL);
 785         if (element == NULL)
 786                 return -ENOMEM;
 787
 788         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 789         element->index = network->element.index;
 790
 791         error = connman_element_register(element, &network->element);
 792         if (error < 0) {
 793                 connman_element_unref(element);
 794                 return error;
 795         }
 796
 797         set_configuration(network);
 798
 799         return 0;
 800 }
 801
 802 static gboolean set_connected(gpointer user_data)
 803 {
 804         struct connman_network *network = user_data;
 805         struct connman_service *service;
 806         struct connman_ipconfig *ipconfig;
 807         enum connman_ipconfig_method method;
 808
 809         service = __connman_service_lookup_from_network(network);
 810
 811         ipconfig = __connman_service_get_ipconfig(service);
 812
 813         method = __connman_ipconfig_get_method(ipconfig);
 814
 815         DBG("method %d", method);
 816
 817         if (network->connected == TRUE) {
 818                 switch (method) {
 819                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 820                 case CONNMAN_IPCONFIG_METHOD_OFF:
 821                         return FALSE;
 822                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 823                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 824                         set_connected_manual(network);
 825                         return TRUE;
 826                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 827                         if (set_connected_dhcp(network) < 0) {
 828                                 connman_network_set_error(network,
 829                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 830                                 return FALSE;
 831                         }
 832                 }
 833
 834         } else {
 835                 struct connman_service *service;
 836
 837                 connman_element_unregister_children(&network->element);
 838
 839                 __connman_device_set_network(network->device, NULL);
 840                 network->hidden = FALSE;
 841
 842                 __connman_device_decrease_connections(network->device);
 843
 844                 service = __connman_service_lookup_from_network(network);
 845
 846                 __connman_service_indicate_state(service,
 847                                                 CONNMAN_SERVICE_STATE_IDLE);
 848         }
 849
 850         network->connecting = FALSE;
 851
 852         connman_network_set_associating(network, FALSE);
 853
 854         return FALSE;
 855 }
 856
 857 /**
 858  * connman_network_set_connected:
 859  * @network: network structure
 860  * @connected: connected state
 861  *
 862  * Change connected state of network
 863  */
 864 int connman_network_set_connected(struct connman_network *network,
 865                                                 connman_bool_t connected)
 866 {
 867         DBG("network %p connected %d", network, connected);
 868
 869         if ((network->connecting == TRUE || network->associating == TRUE) &&
 870                                                         connected == FALSE) {
 871                 connman_element_set_error(&network->element,
 872                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 873                 __connman_network_disconnect(network);
 874         }
 875
 876         if (network->connected == connected)
 877                 return -EALREADY;
 878
 879         network->connected = connected;
 880
 881         if (network->registered == FALSE) {
 882                 g_idle_add(set_connected, network);
 883                 return 0;
 884         }
 885
 886         connman_dbus_property_changed_basic(network->element.path,
 887                                 CONNMAN_NETWORK_INTERFACE, "Connected",
 888                                                 DBUS_TYPE_BOOLEAN, &connected);
 889
 890         set_connected(network);
 891
 892         return 0;
 893 }
 894
 895 /**
 896  * connman_network_get_connected:
 897  * @network: network structure
 898  *
 899  * Get network connection status
 900  */
 901 connman_bool_t connman_network_get_connected(struct connman_network *network)
 902 {
 903         return network->connected;
 904 }
 905
 906 /**
 907  * connman_network_get_associating:
 908  * @network: network structure
 909  *
 910  * Get network associating status
 911  */
 912 connman_bool_t connman_network_get_associating(struct connman_network *network)
 913 {
 914         return network->associating;
 915 }
 916
 917 /**
 918  * __connman_network_connect:
 919  * @network: network structure
 920  *
 921  * Connect network
 922  */
 923 int __connman_network_connect(struct connman_network *network)
 924 {
 925         int err;
 926
 927         DBG("network %p", network);
 928
 929         if (network->connected == TRUE)
 930                 return -EISCONN;
 931
 932         if (network->connecting == TRUE || network->associating == TRUE)
 933                 return -EALREADY;
 934
 935         if (network->driver == NULL)
 936                 return -EUNATCH;
 937
 938         if (network->driver->connect == NULL)
 939                 return -ENOSYS;
 940
 941         __connman_device_disconnect(network->device);
 942
 943         network->connecting = TRUE;
 944
 945         err = network->driver->connect(network);
 946         if (err < 0) {
 947                 if (err == -EINPROGRESS)
 948                         connman_network_set_associating(network, TRUE);
 949                 else {
 950                         network->connecting = FALSE;
 951                         network->hidden = FALSE;
 952                 }
 953
 954                 return err;
 955         }
 956
 957         network->connected = TRUE;
 958         set_connected(network);
 959
 960         return err;
 961 }
 962
 963 /**
 964  * __connman_network_disconnect:
 965  * @network: network structure
 966  *
 967  * Disconnect network
 968  */
 969 int __connman_network_disconnect(struct connman_network *network)
 970 {
 971         int err;
 972
 973         DBG("network %p", network);
 974
 975         if (network->connected == FALSE && network->connecting == FALSE &&
 976                                                 network->associating == FALSE)
 977                 return -ENOTCONN;
 978
 979         if (network->driver == NULL)
 980                 return -EUNATCH;
 981
 982         if (network->driver->disconnect == NULL)
 983                 return -ENOSYS;
 984
 985         network->connecting = FALSE;
 986
 987         err = network->driver->disconnect(network);
 988         if (err == 0) {
 989                 connman_network_set_connected(network, FALSE);
 990                 set_connected(network);
 991         }
 992
 993         return err;
 994 }
 995
 996 /**
 997  * connman_network_set_address:
 998  * @network: network structure
 999  * @address: binary address value
1000  * @size: binary address length
1001  *
1002  * Set unique address value for network
1003  */
1004 int connman_network_set_address(struct connman_network *network,
1005                                 const void *address, unsigned int size)
1006 {
1007         const unsigned char *addr_octet = address;
1008         char *str;
1009
1010         DBG("network %p size %d", network, size);
1011
1012         if (size != 6)
1013                 return -EINVAL;
1014
1015         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
1016                                 addr_octet[0], addr_octet[1], addr_octet[2],
1017                                 addr_octet[3], addr_octet[4], addr_octet[5]);
1018         if (str == NULL)
1019                 return -ENOMEM;
1020
1021         g_free(network->address);
1022         network->address = str;
1023
1024         return connman_element_set_string(&network->element,
1025                                                 "Address", network->address);
1026 }
1027
1028 /**
1029  * connman_network_set_name:
1030  * @network: network structure
1031  * @name: name value
1032  *
1033  * Set display name value for network
1034  */
1035 int connman_network_set_name(struct connman_network *network,
1036                                                         const char *name)
1037 {
1038         DBG("network %p name %s", network, name);
1039
1040         g_free(network->name);
1041         network->name = g_strdup(name);
1042
1043         return connman_element_set_string(&network->element, "Name", name);
1044 }
1045
1046 /**
1047  * connman_network_set_strength:
1048  * @network: network structure
1049  * @strength: strength value
1050  *
1051  * Set signal strength value for network
1052  */
1053 int connman_network_set_strength(struct connman_network *network,
1054                                                 connman_uint8_t strength)
1055 {
1056         DBG("network %p strengh %d", network, strength);
1057
1058         network->strength = strength;
1059
1060         return connman_element_set_uint8(&network->element,
1061                                                 "Strength", strength);
1062 }
1063
1064 /**
1065  * connman_network_set_roaming:
1066  * @network: network structure
1067  * @roaming: roaming state
1068  *
1069  * Set roaming state for network
1070  */
1071 int connman_network_set_roaming(struct connman_network *network,
1072                                                 connman_bool_t roaming)
1073 {
1074         DBG("network %p roaming %d", network, roaming);
1075
1076         network->roaming = roaming;
1077
1078         return connman_element_set_bool(&network->element,
1079                                                 "Roaming", roaming);
1080 }
1081
1082 /**
1083  * connman_network_set_string:
1084  * @network: network structure
1085  * @key: unique identifier
1086  * @value: string value
1087  *
1088  * Set string value for specific key
1089  */
1090 int connman_network_set_string(struct connman_network *network,
1091                                         const char *key, const char *value)
1092 {
1093         int err;
1094
1095         DBG("network %p key %s value %s", network, key, value);
1096
1097         if (g_strcmp0(key, "Name") == 0)
1098                 return connman_network_set_name(network, value);
1099
1100         if (g_str_equal(key, "Address") == TRUE) {
1101                 g_free(network->address);
1102                 network->address = g_strdup(value);
1103         } else if (g_str_equal(key, "Node") == TRUE) {
1104                 g_free(network->node);
1105                 network->node = g_strdup(value);
1106         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1107                 g_free(network->wifi.mode);
1108                 network->wifi.mode = g_strdup(value);
1109         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1110                 g_free(network->wifi.security);
1111                 network->wifi.security = g_strdup(value);
1112         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1113                 g_free(network->wifi.passphrase);
1114                 network->wifi.passphrase = g_strdup(value);
1115         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1116                 g_free(network->wifi.eap);
1117                 network->wifi.eap = g_strdup(value);
1118         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1119                 g_free(network->wifi.identity);
1120                 network->wifi.identity = g_strdup(value);
1121         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1122                 g_free(network->wifi.ca_cert_path);
1123                 network->wifi.ca_cert_path = g_strdup(value);
1124         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1125                 g_free(network->wifi.client_cert_path);
1126                 network->wifi.client_cert_path = g_strdup(value);
1127         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1128                 g_free(network->wifi.private_key_path);
1129                 network->wifi.private_key_path = g_strdup(value);
1130         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1131                 g_free(network->wifi.private_key_passphrase);
1132                 network->wifi.private_key_passphrase = g_strdup(value);
1133         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1134                 g_free(network->wifi.phase2_auth);
1135                 network->wifi.phase2_auth = g_strdup(value);
1136         }
1137
1138         err = connman_element_set_string(&network->element, key, value);
1139         if (err < 0)
1140                 return err;
1141
1142         if (network->driver == NULL)
1143                 return 0;
1144
1145         if (network->driver->setup)
1146                 return network->driver->setup(network, key);
1147
1148         return 0;
1149 }
1150
1151 /**
1152  * connman_network_get_string:
1153  * @network: network structure
1154  * @key: unique identifier
1155  *
1156  * Get string value for specific key
1157  */
1158 const char *connman_network_get_string(struct connman_network *network,
1159                                                         const char *key)
1160 {
1161         DBG("network %p key %s", network, key);
1162
1163         if (g_str_equal(key, "Address") == TRUE)
1164                 return network->address;
1165         else if (g_str_equal(key, "Name") == TRUE)
1166                 return network->name;
1167         else if (g_str_equal(key, "Node") == TRUE)
1168                 return network->node;
1169         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1170                 return network->wifi.mode;
1171         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1172                 return network->wifi.security;
1173         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1174                 return network->wifi.passphrase;
1175         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1176                 return network->wifi.eap;
1177         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1178                 return network->wifi.identity;
1179         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1180                 return network->wifi.ca_cert_path;
1181         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1182                 return network->wifi.client_cert_path;
1183         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1184                 return network->wifi.private_key_path;
1185         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1186                 return network->wifi.private_key_passphrase;
1187         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1188                 return network->wifi.phase2_auth;
1189
1190         return connman_element_get_string(&network->element, key);
1191 }
1192
1193 /**
1194  * connman_network_set_bool:
1195  * @network: network structure
1196  * @key: unique identifier
1197  * @value: boolean value
1198  *
1199  * Set boolean value for specific key
1200  */
1201 int connman_network_set_bool(struct connman_network *network,
1202                                         const char *key, connman_bool_t value)
1203 {
1204         DBG("network %p key %s value %d", network, key, value);
1205
1206         if (g_strcmp0(key, "Roaming") == 0)
1207                 return connman_network_set_roaming(network, value);
1208
1209         return connman_element_set_bool(&network->element, key, value);
1210 }
1211
1212 /**
1213  * connman_network_get_bool:
1214  * @network: network structure
1215  * @key: unique identifier
1216  *
1217  * Get boolean value for specific key
1218  */
1219 connman_bool_t connman_network_get_bool(struct connman_network *network,
1220                                                         const char *key)
1221 {
1222         DBG("network %p key %s", network, key);
1223
1224         if (g_str_equal(key, "Roaming") == TRUE)
1225                 return network->roaming;
1226
1227         return connman_element_get_bool(&network->element, key);
1228 }
1229
1230 /**
1231  * connman_network_set_uint8:
1232  * @network: network structure
1233  * @key: unique identifier
1234  * @value: integer value
1235  *
1236  * Set integer value for specific key
1237  */
1238 int connman_network_set_uint8(struct connman_network *network,
1239                                         const char *key, connman_uint8_t value)
1240 {
1241         DBG("network %p key %s value %d", network, key, value);
1242
1243         if (g_strcmp0(key, "Strength") == 0)
1244                 return connman_network_set_strength(network, value);
1245
1246         return connman_element_set_uint8(&network->element, key, value);
1247 }
1248
1249 /**
1250  * connman_network_get_uint8:
1251  * @network: network structure
1252  * @key: unique identifier
1253  *
1254  * Get integer value for specific key
1255  */
1256 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1257                                                         const char *key)
1258 {
1259         DBG("network %p key %s", network, key);
1260
1261         if (g_str_equal(key, "Strength") == TRUE)
1262                 return network->strength;
1263
1264         return connman_element_get_uint8(&network->element, key);
1265 }
1266
1267 /**
1268  * connman_network_set_uint16:
1269  * @network: network structure
1270  * @key: unique identifier
1271  * @value: integer value
1272  *
1273  * Set integer value for specific key
1274  */
1275 int connman_network_set_uint16(struct connman_network *network,
1276                                 const char *key, connman_uint16_t value)
1277 {
1278         DBG("network %p key %s value %d", network, key, value);
1279
1280         if (g_str_equal(key, "Frequency") == TRUE)
1281                 network->frequency = value;
1282         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1283                 network->wifi.channel = value;
1284
1285         return -EINVAL;
1286 }
1287
1288 /**
1289  * connman_network_get_uint16:
1290  * @network: network structure
1291  * @key: unique identifier
1292  *
1293  * Get integer value for specific key
1294  */
1295 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1296                                                         const char *key)
1297 {
1298         DBG("network %p key %s", network, key);
1299
1300         if (g_str_equal(key, "Frequency") == TRUE)
1301                 return network->frequency;
1302         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1303                 return network->wifi.channel;
1304
1305         return 0;
1306 }
1307
1308 /**
1309  * connman_network_set_blob:
1310  * @network: network structure
1311  * @key: unique identifier
1312  * @data: blob data
1313  * @size: blob size
1314  *
1315  * Set binary blob value for specific key
1316  */
1317 int connman_network_set_blob(struct connman_network *network,
1318                         const char *key, const void *data, unsigned int size)
1319 {
1320         DBG("network %p key %s size %d", network, key, size);
1321
1322         if (g_strcmp0(key, "Address") == 0)
1323                 return connman_network_set_address(network, data, size);
1324
1325         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1326                 g_free(network->wifi.ssid);
1327                 network->wifi.ssid = g_try_malloc(size);
1328                 if (network->wifi.ssid != NULL) {
1329                         memcpy(network->wifi.ssid, data, size);
1330                         network->wifi.ssid_len = size;
1331                 } else
1332                         network->wifi.ssid_len = 0;
1333         }
1334
1335         return connman_element_set_blob(&network->element, key, data, size);
1336 }
1337
1338 /**
1339  * connman_network_get_blob:
1340  * @network: network structure
1341  * @key: unique identifier
1342  * @size: pointer to blob size
1343  *
1344  * Get binary blob value for specific key
1345  */
1346 const void *connman_network_get_blob(struct connman_network *network,
1347                                         const char *key, unsigned int *size)
1348 {
1349         DBG("network %p key %s", network, key);
1350
1351         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1352                 if (size != NULL)
1353                         *size = network->wifi.ssid_len;
1354                 return network->wifi.ssid;
1355         }
1356
1357         return connman_element_get_blob(&network->element, key, size);
1358 }
1359
1360 void __connman_network_set_device(struct connman_network *network,
1361                                         struct connman_device *device)
1362 {
1363         network->device = device;
1364 }
1365
1366 /**
1367  * connman_network_get_device:
1368  * @network: network structure
1369  *
1370  * Get parent device of network
1371  */
1372 struct connman_device *connman_network_get_device(struct connman_network *network)
1373 {
1374         return network->device;
1375 }
1376
1377 /**
1378  * connman_network_get_data:
1379  * @network: network structure
1380  *
1381  * Get private network data pointer
1382  */
1383 void *connman_network_get_data(struct connman_network *network)
1384 {
1385         return network->driver_data;
1386 }
1387
1388 /**
1389  * connman_network_set_data:
1390  * @network: network structure
1391  * @data: data pointer
1392  *
1393  * Set private network data pointer
1394  */
1395 void connman_network_set_data(struct connman_network *network, void *data)
1396 {
1397         network->driver_data = data;
1398 }
1399
1400 static gboolean match_driver(struct connman_network *network,
1401                                         struct connman_network_driver *driver)
1402 {
1403         if (network->type == driver->type ||
1404                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1405                 return TRUE;
1406
1407         return FALSE;
1408 }
1409
1410 static int network_probe(struct connman_element *element)
1411 {
1412         struct connman_network *network = element->network;
1413         GSList *list;
1414         int err;
1415
1416         DBG("element %p name %s", element, element->name);
1417
1418         if (network == NULL)
1419                 return -ENODEV;
1420
1421         for (list = driver_list; list; list = list->next) {
1422                 struct connman_network_driver *driver = list->data;
1423
1424                 if (match_driver(network, driver) == FALSE)
1425                         continue;
1426
1427                 DBG("driver %p name %s", driver, driver->name);
1428
1429                 if (driver->probe(network) == 0) {
1430                         network->driver = driver;
1431                         break;
1432                 }
1433         }
1434
1435         if (network->driver == NULL)
1436                 return -ENODEV;
1437
1438         err = register_interface(element);
1439         if (err < 0) {
1440                 if (network->driver->remove)
1441                         network->driver->remove(network);
1442                 return err;
1443         }
1444
1445         switch (network->type) {
1446         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1447         case CONNMAN_NETWORK_TYPE_VENDOR:
1448                 break;
1449         case CONNMAN_NETWORK_TYPE_ETHERNET:
1450         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1451         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1452         case CONNMAN_NETWORK_TYPE_CELLULAR:
1453         case CONNMAN_NETWORK_TYPE_WIFI:
1454         case CONNMAN_NETWORK_TYPE_WIMAX:
1455                 if (network->group != NULL)
1456                         __connman_profile_add_network(network);
1457                 break;
1458         }
1459
1460         return 0;
1461 }
1462
1463 static void network_remove(struct connman_element *element)
1464 {
1465         struct connman_network *network = element->network;
1466
1467         DBG("element %p name %s", element, element->name);
1468
1469         if (network == NULL)
1470                 return;
1471
1472         if (network->driver == NULL)
1473                 return;
1474
1475         switch (network->type) {
1476         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1477         case CONNMAN_NETWORK_TYPE_VENDOR:
1478                 break;
1479         case CONNMAN_NETWORK_TYPE_ETHERNET:
1480         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1481         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1482         case CONNMAN_NETWORK_TYPE_CELLULAR:
1483         case CONNMAN_NETWORK_TYPE_WIFI:
1484         case CONNMAN_NETWORK_TYPE_WIMAX:
1485                 if (network->group != NULL) {
1486                         __connman_profile_remove_network(network);
1487
1488                         g_free(network->group);
1489                         network->group = NULL;
1490                 }
1491                 break;
1492         }
1493
1494         unregister_interface(element);
1495
1496         if (network->driver->remove)
1497                 network->driver->remove(network);
1498 }
1499
1500 static void network_change(struct connman_element *element)
1501 {
1502         struct connman_network *network = element->network;
1503
1504         DBG("element %p name %s", element, element->name);
1505
1506         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1507                 return;
1508
1509         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1510                 return;
1511
1512         if (network->connected == FALSE)
1513                 return;
1514
1515         connman_element_unregister_children(element);
1516
1517         connman_device_set_disconnected(network->device, TRUE);
1518
1519         if (network->driver && network->driver->disconnect) {
1520                 network->driver->disconnect(network);
1521                 return;
1522         }
1523
1524         network->connected = FALSE;
1525 }
1526
1527 static struct connman_driver network_driver = {
1528         .name           = "network",
1529         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1530         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1531         .probe          = network_probe,
1532         .remove         = network_remove,
1533         .change         = network_change,
1534 };
1535
1536 int __connman_network_init(void)
1537 {
1538         DBG("");
1539
1540         connection = connman_dbus_get_connection();
1541
1542         return connman_driver_register(&network_driver);
1543 }
1544
1545 void __connman_network_cleanup(void)
1546 {
1547         DBG("");
1548
1549         connman_driver_unregister(&network_driver);
1550
1551         dbus_connection_unref(connection);
1552 }