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