src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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         } wifi;
  69 };
  70
  71 static const char *type2string(enum connman_network_type type)
  72 {
  73         switch (type) {
  74         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  75         case CONNMAN_NETWORK_TYPE_VENDOR:
  76                 break;
  77         case CONNMAN_NETWORK_TYPE_ETHERNET:
  78                 return "ethernet";
  79         case CONNMAN_NETWORK_TYPE_WIFI:
  80                 return "wifi";
  81         case CONNMAN_NETWORK_TYPE_WIMAX:
  82                 return "wimax";
  83         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  84         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  85                 return "bluetooth";
  86         case CONNMAN_NETWORK_TYPE_CELLULAR:
  87         case CONNMAN_NETWORK_TYPE_MBM:
  88         case CONNMAN_NETWORK_TYPE_HSO:
  89                 return "cellular";
  90         }
  91
  92         return NULL;
  93 }
  94
  95 static DBusMessage *get_properties(DBusConnection *conn,
  96                                         DBusMessage *msg, void *data)
  97 {
  98         struct connman_network *network = data;
  99         DBusMessage *reply;
 100         DBusMessageIter array, dict;
 101
 102         DBG("conn %p", conn);
 103
 104         if (__connman_security_check_privilege(msg,
 105                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 106                 return __connman_error_permission_denied(msg);
 107
 108         reply = dbus_message_new_method_return(msg);
 109         if (reply == NULL)
 110                 return NULL;
 111
 112         dbus_message_iter_init_append(reply, &array);
 113
 114         connman_dbus_dict_open(&array, &dict);
 115
 116         if (network->device) {
 117                 const char *path = connman_device_get_path(network->device);
 118                 if (path != NULL)
 119                         connman_dbus_dict_append_variant(&dict, "Device",
 120                                                 DBUS_TYPE_OBJECT_PATH, &path);
 121         }
 122
 123         if (network->address != NULL)
 124                 connman_dbus_dict_append_variant(&dict, "Address",
 125                                         DBUS_TYPE_STRING, &network->address);
 126
 127         if (network->name != NULL)
 128                 connman_dbus_dict_append_variant(&dict, "Name",
 129                                         DBUS_TYPE_STRING, &network->name);
 130
 131         connman_dbus_dict_append_variant(&dict, "Connected",
 132                                 DBUS_TYPE_BOOLEAN, &network->connected);
 133
 134         if (network->strength > 0)
 135                 connman_dbus_dict_append_variant(&dict, "Strength",
 136                                         DBUS_TYPE_BYTE, &network->strength);
 137
 138         if (network->frequency > 0)
 139                 connman_dbus_dict_append_variant(&dict, "Frequency",
 140                                         DBUS_TYPE_UINT16, &network->frequency);
 141
 142         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 143                 connman_dbus_dict_append_fixed_array(&dict, "WiFi.SSID",
 144                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 145                                                 network->wifi.ssid_len);
 146
 147         if (network->wifi.mode != NULL)
 148                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 149                                 DBUS_TYPE_STRING, &network->wifi.mode);
 150
 151         if (network->wifi.channel > 0)
 152                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 153                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 154
 155         if (network->wifi.security != NULL)
 156                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 157                                 DBUS_TYPE_STRING, &network->wifi.security);
 158
 159         if (network->wifi.passphrase != NULL &&
 160                         __connman_security_check_privilege(msg,
 161                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 162                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 163                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 164
 165         connman_dbus_dict_close(&array, &dict);
 166
 167         return reply;
 168 }
 169
 170 static GDBusMethodTable network_methods[] = {
 171         { "GetProperties", "",   "a{sv}", get_properties },
 172         { },
 173 };
 174
 175 static GDBusSignalTable network_signals[] = {
 176         { "PropertyChanged", "sv" },
 177         { },
 178 };
 179
 180 static DBusConnection *connection;
 181
 182 static void append_networks(struct connman_device *device,
 183                                                 DBusMessageIter *entry)
 184 {
 185         DBusMessageIter value, iter;
 186         const char *key = "Networks";
 187
 188         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 189
 190         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 191                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 192                                                                 &value);
 193
 194         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 195                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 196         __connman_element_list((struct connman_element *) device,
 197                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 198         dbus_message_iter_close_container(&value, &iter);
 199
 200         dbus_message_iter_close_container(entry, &value);
 201 }
 202
 203 static void emit_networks_signal(struct connman_device *device)
 204 {
 205         const char *path = connman_device_get_path(device);
 206         DBusMessage *signal;
 207         DBusMessageIter entry;
 208
 209         signal = dbus_message_new_signal(path,
 210                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 211         if (signal == NULL)
 212                 return;
 213
 214         dbus_message_iter_init_append(signal, &entry);
 215
 216         append_networks(device, &entry);
 217
 218         g_dbus_send_message(connection, signal);
 219 }
 220
 221 static int register_interface(struct connman_element *element)
 222 {
 223         struct connman_network *network = element->network;
 224
 225         DBG("element %p name %s", element, element->name);
 226
 227         if (g_dbus_register_interface(connection, element->path,
 228                                         CONNMAN_NETWORK_INTERFACE,
 229                                         network_methods, network_signals,
 230                                         NULL, network, NULL) == FALSE) {
 231                 connman_error("Failed to register %s network", element->path);
 232                 return -EIO;
 233         }
 234
 235         network->registered = TRUE;
 236
 237         emit_networks_signal(network->device);
 238
 239         return 0;
 240 }
 241
 242 static void unregister_interface(struct connman_element *element)
 243 {
 244         struct connman_network * network = element->network;
 245
 246         DBG("element %p name %s", element, element->name);
 247
 248         network->registered = FALSE;
 249
 250         emit_networks_signal(network->device);
 251
 252         g_dbus_unregister_interface(connection, element->path,
 253                                                 CONNMAN_NETWORK_INTERFACE);
 254 }
 255
 256 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 257 {
 258         if (network == NULL || network->driver == NULL)
 259                 return FALSE;
 260
 261         return network->registered;
 262 }
 263
 264 static GSList *driver_list = NULL;
 265
 266 static gint compare_priority(gconstpointer a, gconstpointer b)
 267 {
 268         const struct connman_network_driver *driver1 = a;
 269         const struct connman_network_driver *driver2 = b;
 270
 271         return driver2->priority - driver1->priority;
 272 }
 273
 274 /**
 275  * connman_network_driver_register:
 276  * @driver: network driver definition
 277  *
 278  * Register a new network driver
 279  *
 280  * Returns: %0 on success
 281  */
 282 int connman_network_driver_register(struct connman_network_driver *driver)
 283 {
 284         DBG("driver %p name %s", driver, driver->name);
 285
 286         driver_list = g_slist_insert_sorted(driver_list, driver,
 287                                                         compare_priority);
 288
 289         return 0;
 290 }
 291
 292 /**
 293  * connman_network_driver_unregister:
 294  * @driver: network driver definition
 295  *
 296  * Remove a previously registered network driver
 297  */
 298 void connman_network_driver_unregister(struct connman_network_driver *driver)
 299 {
 300         DBG("driver %p name %s", driver, driver->name);
 301
 302         driver_list = g_slist_remove(driver_list, driver);
 303 }
 304
 305 static void network_destruct(struct connman_element *element)
 306 {
 307         struct connman_network *network = element->network;
 308
 309         DBG("element %p name %s", element, element->name);
 310
 311         g_free(network->wifi.ssid);
 312         g_free(network->wifi.mode);
 313         g_free(network->wifi.security);
 314         g_free(network->wifi.passphrase);
 315
 316         g_free(network->group);
 317         g_free(network->node);
 318         g_free(network->name);
 319         g_free(network->address);
 320         g_free(network->identifier);
 321
 322         if (network->ipconfig) {
 323                 connman_ipconfig_unref(network->ipconfig);
 324                 network->ipconfig = NULL;
 325         }
 326 }
 327
 328 /**
 329  * connman_network_create:
 330  * @identifier: network identifier (for example an unqiue name)
 331  *
 332  * Allocate a new network and assign the #identifier to it.
 333  *
 334  * Returns: a newly-allocated #connman_network structure
 335  */
 336 struct connman_network *connman_network_create(const char *identifier,
 337                                                 enum connman_network_type type)
 338 {
 339         struct connman_network *network;
 340         connman_uint8_t strength = 0;
 341         const char *str;
 342         char *temp;
 343
 344         DBG("identifier %s type %d", identifier, type);
 345
 346         network = g_try_new0(struct connman_network, 1);
 347         if (network == NULL)
 348                 return NULL;
 349
 350         DBG("network %p", network);
 351
 352         __connman_element_initialize(&network->element);
 353
 354         //temp = connman_dbus_encode_string(identifier);
 355         if (identifier == NULL) {
 356                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 357                 network->hidden = TRUE;
 358         } else
 359                 temp = g_strdup(identifier);
 360
 361         if (temp == NULL) {
 362                 g_free(network);
 363                 return NULL;
 364         }
 365
 366         network->element.name = temp;
 367         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 368
 369         network->element.network = network;
 370         network->element.destruct = network_destruct;
 371
 372         str = type2string(type);
 373         if (str != NULL)
 374                 connman_element_set_string(&network->element, "Type", str);
 375
 376         connman_element_set_uint8(&network->element, "Strength", strength);
 377
 378         network->type       = type;
 379         network->identifier = g_strdup(temp);
 380
 381         return network;
 382 }
 383
 384 /**
 385  * connman_network_ref:
 386  * @network: network structure
 387  *
 388  * Increase reference counter of  network
 389  */
 390 struct connman_network *connman_network_ref(struct connman_network *network)
 391 {
 392         if (connman_element_ref(&network->element) == NULL)
 393                 return NULL;
 394
 395         return network;
 396 }
 397
 398 /**
 399  * connman_network_unref:
 400  * @network: network structure
 401  *
 402  * Decrease reference counter of network
 403  */
 404 void connman_network_unref(struct connman_network *network)
 405 {
 406         connman_element_unref(&network->element);
 407 }
 408
 409 const char *__connman_network_get_type(struct connman_network *network)
 410 {
 411         return type2string(network->type);
 412 }
 413
 414 /**
 415  * connman_network_get_type:
 416  * @network: network structure
 417  *
 418  * Get type of network
 419  */
 420 enum connman_network_type connman_network_get_type(struct connman_network *network)
 421 {
 422         return network->type;
 423 }
 424
 425 /**
 426  * connman_network_get_identifier:
 427  * @network: network structure
 428  *
 429  * Get identifier of network
 430  */
 431 const char *connman_network_get_identifier(struct connman_network *network)
 432 {
 433         return network->identifier;
 434 }
 435
 436 /**
 437  * connman_network_get_path:
 438  * @network: network structure
 439  *
 440  * Get path name of network
 441  */
 442 const char *connman_network_get_path(struct connman_network *network)
 443 {
 444         return network->element.path;
 445 }
 446
 447 /**
 448  * connman_network_set_index:
 449  * @network: network structure
 450  * @index: index number
 451  *
 452  * Set index number of network
 453  */
 454 void connman_network_set_index(struct connman_network *network, int index)
 455 {
 456         network->element.index = index;
 457 }
 458
 459 /**
 460  * connman_network_get_index:
 461  * @network: network structure
 462  *
 463  * Get index number of network
 464  */
 465 int connman_network_get_index(struct connman_network *network)
 466 {
 467         return network->element.index;
 468 }
 469
 470 /**
 471  * connman_network_get_element:
 472  * @network: network structure
 473  *
 474  * Get connman_element of network
 475  */
 476 struct connman_element *connman_network_get_element(
 477                                 struct connman_network *network)
 478 {
 479         return &network->element;
 480 }
 481
 482 /**
 483  * connman_network_set_protocol:
 484  * @network: network structure
 485  * @protocol: network protocol
 486  *
 487  * Change protocol of network
 488  */
 489 void connman_network_set_protocol(struct connman_network *network,
 490                                         enum connman_network_protocol protocol)
 491 {
 492         network->protocol = protocol;
 493 }
 494
 495 /**
 496  * connman_network_set_group:
 497  * @network: network structure
 498  * @group: group name
 499  *
 500  * Set group name for automatic clustering
 501  */
 502 void connman_network_set_group(struct connman_network *network,
 503                                                         const char *group)
 504 {
 505         switch (network->type) {
 506         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 507         case CONNMAN_NETWORK_TYPE_VENDOR:
 508                 return;
 509         case CONNMAN_NETWORK_TYPE_ETHERNET:
 510         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 511         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 512         case CONNMAN_NETWORK_TYPE_CELLULAR:
 513         case CONNMAN_NETWORK_TYPE_MBM:
 514         case CONNMAN_NETWORK_TYPE_HSO:
 515         case CONNMAN_NETWORK_TYPE_WIFI:
 516         case CONNMAN_NETWORK_TYPE_WIMAX:
 517                 break;
 518         }
 519
 520         if (g_strcmp0(network->group, group) == 0) {
 521                 if (group != NULL)
 522                         __connman_profile_update_network(network);
 523                 return;
 524         }
 525
 526         if (network->group != NULL) {
 527                 __connman_profile_remove_network(network);
 528
 529                 g_free(network->group);
 530         }
 531
 532         network->group = g_strdup(group);
 533
 534         if (network->group != NULL)
 535                 __connman_profile_add_network(network);
 536 }
 537
 538 /**
 539  * connman_network_get_group:
 540  * @network: network structure
 541  *
 542  * Get group name for automatic clustering
 543  */
 544 const char *connman_network_get_group(struct connman_network *network)
 545 {
 546         return network->group;
 547 }
 548
 549 const char *__connman_network_get_ident(struct connman_network *network)
 550 {
 551         if (network->device == NULL)
 552                 return NULL;
 553
 554         return __connman_device_get_ident(network->device);
 555 }
 556
 557 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 558 {
 559         switch (network->type) {
 560         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 561         case CONNMAN_NETWORK_TYPE_VENDOR:
 562         case CONNMAN_NETWORK_TYPE_ETHERNET:
 563         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 564         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 565         case CONNMAN_NETWORK_TYPE_CELLULAR:
 566         case CONNMAN_NETWORK_TYPE_MBM:
 567         case CONNMAN_NETWORK_TYPE_HSO:
 568         case CONNMAN_NETWORK_TYPE_WIMAX:
 569                 break;
 570         case CONNMAN_NETWORK_TYPE_WIFI:
 571                 if (network->strength > 0 && network->strength < 20)
 572                         return TRUE;
 573                 break;
 574         }
 575
 576         return FALSE;
 577 }
 578
 579 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 580 {
 581         return network->connecting;
 582 }
 583
 584 /**
 585  * connman_network_set_available:
 586  * @network: network structure
 587  * @available: availability state
 588  *
 589  * Change availability state of network (in range)
 590  */
 591 int connman_network_set_available(struct connman_network *network,
 592                                                 connman_bool_t available)
 593 {
 594         DBG("network %p available %d", network, available);
 595
 596         if (network->available == available)
 597                 return -EALREADY;
 598
 599         network->available = available;
 600
 601         return 0;
 602 }
 603
 604 /**
 605  * connman_network_get_available:
 606  * @network: network structure
 607  *
 608  * Get network available setting
 609  */
 610 connman_bool_t connman_network_get_available(struct connman_network *network)
 611 {
 612         if (network->hidden == TRUE)
 613                 return TRUE;
 614
 615         return network->available;
 616 }
 617
 618 /**
 619  * connman_network_set_associating:
 620  * @network: network structure
 621  * @associating: associating state
 622  *
 623  * Change associating state of network
 624  */
 625 int connman_network_set_associating(struct connman_network *network,
 626                                                 connman_bool_t associating)
 627 {
 628         DBG("network %p associating %d", network, associating);
 629
 630         if (network->associating == associating)
 631                 return -EALREADY;
 632
 633         network->associating = associating;
 634
 635         if (associating == TRUE) {
 636                 struct connman_service *service;
 637
 638                 service = __connman_service_lookup_from_network(network);
 639                 __connman_service_indicate_state(service,
 640                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 641         }
 642
 643         return 0;
 644 }
 645
 646 static void set_associate_error(struct connman_network *network)
 647 {
 648         struct connman_service *service;
 649
 650         if (network->associating == FALSE)
 651                 return ;
 652
 653         network->associating = FALSE;
 654
 655         service = __connman_service_lookup_from_network(network);
 656
 657         __connman_service_indicate_state(service,
 658                                         CONNMAN_SERVICE_STATE_FAILURE);
 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         network->associating = FALSE;
 668
 669         switch (error) {
 670         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 671                 return;
 672         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 673                 set_associate_error(network);
 674                 break;
 675         }
 676 }
 677
 678 static gboolean set_connected(gpointer user_data)
 679 {
 680         struct connman_network *network = user_data;
 681         struct connman_service *service;
 682
 683         service = __connman_service_lookup_from_network(network);
 684
 685         if (network->connected == TRUE) {
 686                 struct connman_element *element;
 687                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 688
 689                 switch (network->protocol) {
 690                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 691                         return 0;
 692                 case CONNMAN_NETWORK_PROTOCOL_IP:
 693                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 694                         break;
 695                 }
 696
 697                 __connman_device_increase_connections(network->device);
 698
 699                 __connman_device_set_network(network->device, network);
 700
 701                 connman_device_set_disconnected(network->device, FALSE);
 702
 703                 if (network->element.ipv4.method ==
 704                                         CONNMAN_IPCONFIG_METHOD_STATIC) {
 705
 706                         network->connecting = FALSE;
 707
 708                         connman_network_set_associating(network, FALSE);
 709
 710                         __connman_service_indicate_state(service,
 711                                                 CONNMAN_SERVICE_STATE_READY);
 712
 713                         return TRUE;
 714                 }
 715
 716                 element = connman_element_create(NULL);
 717                 if (element != NULL) {
 718                         element->type  = type;
 719                         element->index = network->element.index;
 720
 721                         if (connman_element_register(element,
 722                                                 &network->element) < 0)
 723                                 connman_element_unref(element);
 724
 725                         __connman_service_indicate_state(service,
 726                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 727                 }
 728         } else {
 729                 connman_element_unregister_children(&network->element);
 730
 731                 __connman_device_set_network(network->device, NULL);
 732                 network->hidden = FALSE;
 733
 734                 __connman_device_decrease_connections(network->device);
 735
 736                 __connman_service_indicate_state(service,
 737                                                 CONNMAN_SERVICE_STATE_IDLE);
 738         }
 739
 740         network->connecting = FALSE;
 741
 742         connman_network_set_associating(network, FALSE);
 743
 744         return FALSE;
 745 }
 746
 747 /**
 748  * connman_network_set_connected:
 749  * @network: network structure
 750  * @connected: connected state
 751  *
 752  * Change connected state of network
 753  */
 754 int connman_network_set_connected(struct connman_network *network,
 755                                                 connman_bool_t connected)
 756 {
 757         DBusMessage *signal;
 758         DBusMessageIter iter;
 759
 760         DBG("network %p connected %d", network, connected);
 761
 762         if ((network->connecting == TRUE || network->associating == TRUE) &&
 763                                                         connected == FALSE) {
 764                 connman_element_set_error(&network->element,
 765                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 766                 __connman_network_disconnect(network);
 767         }
 768
 769         if (network->connected == connected)
 770                 return -EALREADY;
 771
 772         network->connected = connected;
 773
 774         if (network->registered == FALSE) {
 775                 g_idle_add(set_connected, network);
 776                 return 0;
 777         }
 778
 779         signal = dbus_message_new_signal(network->element.path,
 780                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 781         if (signal == NULL)
 782                 return 0;
 783
 784         dbus_message_iter_init_append(signal, &iter);
 785         connman_dbus_property_append_variant(&iter, "Connected",
 786                                         DBUS_TYPE_BOOLEAN, &connected);
 787
 788         g_dbus_send_message(connection, signal);
 789
 790         set_connected(network);
 791
 792         return 0;
 793 }
 794
 795 /**
 796  * connman_network_get_connected:
 797  * @network: network structure
 798  *
 799  * Get network connection status
 800  */
 801 connman_bool_t connman_network_get_connected(struct connman_network *network)
 802 {
 803         return network->connected;
 804 }
 805
 806 /**
 807  * connman_network_get_associating:
 808  * @network: network structure
 809  *
 810  * Get network associating status
 811  */
 812 connman_bool_t connman_network_get_associating(struct connman_network *network)
 813 {
 814         return network->associating;
 815 }
 816
 817 /**
 818  * __connman_network_connect:
 819  * @network: network structure
 820  *
 821  * Connect network
 822  */
 823 int __connman_network_connect(struct connman_network *network)
 824 {
 825         int err;
 826
 827         DBG("network %p", network);
 828
 829         if (network->connected == TRUE)
 830                 return -EISCONN;
 831
 832         if (network->connecting == TRUE || network->associating == TRUE)
 833                 return -EALREADY;
 834
 835         if (network->driver == NULL)
 836                 return -EUNATCH;
 837
 838         if (network->driver->connect == NULL)
 839                 return -ENOSYS;
 840
 841         __connman_device_disconnect(network->device);
 842
 843         network->connecting = TRUE;
 844
 845         err = network->driver->connect(network);
 846         if (err < 0) {
 847                 if (err == -EINPROGRESS)
 848                         connman_network_set_associating(network, TRUE);
 849                 else
 850                         network->hidden = FALSE;
 851
 852                 return err;
 853         }
 854
 855         network->connected = TRUE;
 856         set_connected(network);
 857
 858         return err;
 859 }
 860
 861 /**
 862  * __connman_network_disconnect:
 863  * @network: network structure
 864  *
 865  * Disconnect network
 866  */
 867 int __connman_network_disconnect(struct connman_network *network)
 868 {
 869         int err;
 870
 871         DBG("network %p", network);
 872
 873         if (network->connected == FALSE && network->connecting == FALSE &&
 874                                                 network->associating == FALSE)
 875                 return -ENOTCONN;
 876
 877         if (network->driver == NULL)
 878                 return -EUNATCH;
 879
 880         if (network->driver->disconnect == NULL)
 881                 return -ENOSYS;
 882
 883         network->connecting = FALSE;
 884
 885         err = network->driver->disconnect(network);
 886         if (err == 0) {
 887                 network->connected = FALSE;
 888                 set_connected(network);
 889         }
 890
 891         return err;
 892 }
 893
 894 /**
 895  * connman_network_set_address:
 896  * @network: network structure
 897  * @address: binary address value
 898  * @size: binary address length
 899  *
 900  * Set unique address value for network
 901  */
 902 int connman_network_set_address(struct connman_network *network,
 903                                 const void *address, unsigned int size)
 904 {
 905         const unsigned char *addr_octet = address;
 906         char *str;
 907
 908         DBG("network %p size %d", network, size);
 909
 910         if (size != 6)
 911                 return -EINVAL;
 912
 913         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 914                                 addr_octet[0], addr_octet[1], addr_octet[2],
 915                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 916         if (str == NULL)
 917                 return -ENOMEM;
 918
 919         g_free(network->address);
 920         network->address = str;
 921
 922         return connman_element_set_string(&network->element,
 923                                                 "Address", network->address);
 924 }
 925
 926 /**
 927  * connman_network_set_name:
 928  * @network: network structure
 929  * @name: name value
 930  *
 931  * Set display name value for network
 932  */
 933 int connman_network_set_name(struct connman_network *network,
 934                                                         const char *name)
 935 {
 936         DBG("network %p name %s", network, name);
 937
 938         g_free(network->name);
 939         network->name = g_strdup(name);
 940
 941         return connman_element_set_string(&network->element, "Name", name);
 942 }
 943
 944 /**
 945  * connman_network_set_strength:
 946  * @network: network structure
 947  * @strength: strength value
 948  *
 949  * Set signal strength value for network
 950  */
 951 int connman_network_set_strength(struct connman_network *network,
 952                                                 connman_uint8_t strength)
 953 {
 954         DBG("network %p strengh %d", network, strength);
 955
 956         network->strength = strength;
 957
 958         return connman_element_set_uint8(&network->element,
 959                                                 "Strength", strength);
 960 }
 961
 962 /**
 963  * connman_network_set_roaming:
 964  * @network: network structure
 965  * @roaming: roaming state
 966  *
 967  * Set roaming state for network
 968  */
 969 int connman_network_set_roaming(struct connman_network *network,
 970                                                 connman_bool_t roaming)
 971 {
 972         DBG("network %p roaming %d", network, roaming);
 973
 974         network->roaming = roaming;
 975
 976         return connman_element_set_bool(&network->element,
 977                                                 "Roaming", roaming);
 978 }
 979
 980 /**
 981  * connman_network_set_string:
 982  * @network: network structure
 983  * @key: unique identifier
 984  * @value: string value
 985  *
 986  * Set string value for specific key
 987  */
 988 int connman_network_set_string(struct connman_network *network,
 989                                         const char *key, const char *value)
 990 {
 991         DBG("network %p key %s value %s", network, key, value);
 992
 993         if (g_strcmp0(key, "Name") == 0)
 994                 return connman_network_set_name(network, value);
 995
 996         if (g_str_equal(key, "Address") == TRUE) {
 997                 g_free(network->address);
 998                 network->address = g_strdup(value);
 999         } else if (g_str_equal(key, "Node") == TRUE) {
1000                 g_free(network->node);
1001                 network->node = g_strdup(value);
1002         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1003                 g_free(network->wifi.mode);
1004                 network->wifi.mode = g_strdup(value);
1005         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1006                 g_free(network->wifi.security);
1007                 network->wifi.security = g_strdup(value);
1008         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1009                 g_free(network->wifi.passphrase);
1010                 network->wifi.passphrase = g_strdup(value);
1011         }
1012
1013         return connman_element_set_string(&network->element, key, value);
1014 }
1015
1016 /**
1017  * connman_network_get_string:
1018  * @network: network structure
1019  * @key: unique identifier
1020  *
1021  * Get string value for specific key
1022  */
1023 const char *connman_network_get_string(struct connman_network *network,
1024                                                         const char *key)
1025 {
1026         DBG("network %p key %s", network, key);
1027
1028         if (g_str_equal(key, "Address") == TRUE)
1029                 return network->address;
1030         else if (g_str_equal(key, "Name") == TRUE)
1031                 return network->name;
1032         else if (g_str_equal(key, "Node") == TRUE)
1033                 return network->node;
1034         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1035                 return network->wifi.mode;
1036         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1037                 return network->wifi.security;
1038         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1039                 return network->wifi.passphrase;
1040
1041         return connman_element_get_string(&network->element, key);
1042 }
1043
1044 /**
1045  * connman_network_set_bool:
1046  * @network: network structure
1047  * @key: unique identifier
1048  * @value: boolean value
1049  *
1050  * Set boolean value for specific key
1051  */
1052 int connman_network_set_bool(struct connman_network *network,
1053                                         const char *key, connman_bool_t value)
1054 {
1055         DBG("network %p key %s value %d", network, key, value);
1056
1057         if (g_strcmp0(key, "Roaming") == 0)
1058                 return connman_network_set_roaming(network, value);
1059
1060         return connman_element_set_bool(&network->element, key, value);
1061 }
1062
1063 /**
1064  * connman_network_get_bool:
1065  * @network: network structure
1066  * @key: unique identifier
1067  *
1068  * Get boolean value for specific key
1069  */
1070 connman_bool_t connman_network_get_bool(struct connman_network *network,
1071                                                         const char *key)
1072 {
1073         DBG("network %p key %s", network, key);
1074
1075         if (g_str_equal(key, "Roaming") == TRUE)
1076                 return network->roaming;
1077
1078         return connman_element_get_bool(&network->element, key);
1079 }
1080
1081 /**
1082  * connman_network_set_uint8:
1083  * @network: network structure
1084  * @key: unique identifier
1085  * @value: integer value
1086  *
1087  * Set integer value for specific key
1088  */
1089 int connman_network_set_uint8(struct connman_network *network,
1090                                         const char *key, connman_uint8_t value)
1091 {
1092         DBG("network %p key %s value %d", network, key, value);
1093
1094         if (g_strcmp0(key, "Strength") == 0)
1095                 return connman_network_set_strength(network, value);
1096
1097         return connman_element_set_uint8(&network->element, key, value);
1098 }
1099
1100 /**
1101  * connman_network_get_uint8:
1102  * @network: network structure
1103  * @key: unique identifier
1104  *
1105  * Get integer value for specific key
1106  */
1107 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1108                                                         const char *key)
1109 {
1110         DBG("network %p key %s", network, key);
1111
1112         if (g_str_equal(key, "Strength") == TRUE)
1113                 return network->strength;
1114
1115         return connman_element_get_uint8(&network->element, key);
1116 }
1117
1118 /**
1119  * connman_network_set_uint16:
1120  * @network: network structure
1121  * @key: unique identifier
1122  * @value: integer value
1123  *
1124  * Set integer value for specific key
1125  */
1126 int connman_network_set_uint16(struct connman_network *network,
1127                                 const char *key, connman_uint16_t value)
1128 {
1129         DBG("network %p key %s value %d", network, key, value);
1130
1131         if (g_str_equal(key, "Frequency") == TRUE)
1132                 network->frequency = value;
1133         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1134                 network->wifi.channel = value;
1135
1136         return -EINVAL;
1137 }
1138
1139 /**
1140  * connman_network_get_uint16:
1141  * @network: network structure
1142  * @key: unique identifier
1143  *
1144  * Get integer value for specific key
1145  */
1146 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1147                                                         const char *key)
1148 {
1149         DBG("network %p key %s", network, key);
1150
1151         if (g_str_equal(key, "Frequency") == TRUE)
1152                 return network->frequency;
1153         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1154                 return network->wifi.channel;
1155
1156         return 0;
1157 }
1158
1159 /**
1160  * connman_network_set_blob:
1161  * @network: network structure
1162  * @key: unique identifier
1163  * @data: blob data
1164  * @size: blob size
1165  *
1166  * Set binary blob value for specific key
1167  */
1168 int connman_network_set_blob(struct connman_network *network,
1169                         const char *key, const void *data, unsigned int size)
1170 {
1171         DBG("network %p key %s size %d", network, key, size);
1172
1173         if (g_strcmp0(key, "Address") == 0)
1174                 return connman_network_set_address(network, data, size);
1175
1176         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1177                 g_free(network->wifi.ssid);
1178                 network->wifi.ssid = g_try_malloc(size);
1179                 if (network->wifi.ssid != NULL) {
1180                         memcpy(network->wifi.ssid, data, size);
1181                         network->wifi.ssid_len = size;
1182                 } else
1183                         network->wifi.ssid_len = 0;
1184         }
1185
1186         return connman_element_set_blob(&network->element, key, data, size);
1187 }
1188
1189 /**
1190  * connman_network_get_blob:
1191  * @network: network structure
1192  * @key: unique identifier
1193  * @size: pointer to blob size
1194  *
1195  * Get binary blob value for specific key
1196  */
1197 const void *connman_network_get_blob(struct connman_network *network,
1198                                         const char *key, unsigned int *size)
1199 {
1200         DBG("network %p key %s", network, key);
1201
1202         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1203                 if (size != NULL)
1204                         *size = network->wifi.ssid_len;
1205                 return network->wifi.ssid;
1206         }
1207
1208         return connman_element_get_blob(&network->element, key, size);
1209 }
1210
1211 void __connman_network_set_device(struct connman_network *network,
1212                                         struct connman_device *device)
1213 {
1214         network->device = device;
1215 }
1216
1217 /**
1218  * connman_network_get_device:
1219  * @network: network structure
1220  *
1221  * Get parent device of network
1222  */
1223 struct connman_device *connman_network_get_device(struct connman_network *network)
1224 {
1225         return network->device;
1226 }
1227
1228 /**
1229  * connman_network_get_data:
1230  * @network: network structure
1231  *
1232  * Get private network data pointer
1233  */
1234 void *connman_network_get_data(struct connman_network *network)
1235 {
1236         return network->driver_data;
1237 }
1238
1239 /**
1240  * connman_network_set_data:
1241  * @network: network structure
1242  * @data: data pointer
1243  *
1244  * Set private network data pointer
1245  */
1246 void connman_network_set_data(struct connman_network *network, void *data)
1247 {
1248         network->driver_data = data;
1249 }
1250
1251 static gboolean match_driver(struct connman_network *network,
1252                                         struct connman_network_driver *driver)
1253 {
1254         if (network->type == driver->type ||
1255                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1256                 return TRUE;
1257
1258         return FALSE;
1259 }
1260
1261 static int network_probe(struct connman_element *element)
1262 {
1263         struct connman_network *network = element->network;
1264         GSList *list;
1265         int err;
1266
1267         DBG("element %p name %s", element, element->name);
1268
1269         if (network == NULL)
1270                 return -ENODEV;
1271
1272         for (list = driver_list; list; list = list->next) {
1273                 struct connman_network_driver *driver = list->data;
1274
1275                 if (match_driver(network, driver) == FALSE)
1276                         continue;
1277
1278                 DBG("driver %p name %s", driver, driver->name);
1279
1280                 if (driver->probe(network) == 0) {
1281                         network->driver = driver;
1282                         break;
1283                 }
1284         }
1285
1286         if (network->driver == NULL)
1287                 return -ENODEV;
1288
1289         err = register_interface(element);
1290         if (err < 0) {
1291                 if (network->driver->remove)
1292                         network->driver->remove(network);
1293                 return err;
1294         }
1295
1296         switch (network->type) {
1297         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1298         case CONNMAN_NETWORK_TYPE_VENDOR:
1299                 break;
1300         case CONNMAN_NETWORK_TYPE_ETHERNET:
1301         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1302         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1303         case CONNMAN_NETWORK_TYPE_CELLULAR:
1304         case CONNMAN_NETWORK_TYPE_MBM:
1305         case CONNMAN_NETWORK_TYPE_HSO:
1306         case CONNMAN_NETWORK_TYPE_WIFI:
1307         case CONNMAN_NETWORK_TYPE_WIMAX:
1308                 if (network->group != NULL)
1309                         __connman_profile_add_network(network);
1310                 break;
1311         }
1312
1313         return 0;
1314 }
1315
1316 static void network_remove(struct connman_element *element)
1317 {
1318         struct connman_network *network = element->network;
1319
1320         DBG("element %p name %s", element, element->name);
1321
1322         if (network == NULL)
1323                 return;
1324
1325         if (network->driver == NULL)
1326                 return;
1327
1328         switch (network->type) {
1329         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1330         case CONNMAN_NETWORK_TYPE_VENDOR:
1331                 break;
1332         case CONNMAN_NETWORK_TYPE_ETHERNET:
1333         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1334         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1335         case CONNMAN_NETWORK_TYPE_CELLULAR:
1336         case CONNMAN_NETWORK_TYPE_MBM:
1337         case CONNMAN_NETWORK_TYPE_HSO:
1338         case CONNMAN_NETWORK_TYPE_WIFI:
1339         case CONNMAN_NETWORK_TYPE_WIMAX:
1340                 if (network->group != NULL) {
1341                         __connman_profile_remove_network(network);
1342
1343                         g_free(network->group);
1344                         network->group = NULL;
1345                 }
1346                 break;
1347         }
1348
1349         unregister_interface(element);
1350
1351         if (network->driver->remove)
1352                 network->driver->remove(network);
1353 }
1354
1355 static void network_change(struct connman_element *element)
1356 {
1357         struct connman_network *network = element->network;
1358
1359         DBG("element %p name %s", element, element->name);
1360
1361         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1362                 return;
1363
1364         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1365                 return;
1366
1367         if (network->connected == FALSE)
1368                 return;
1369
1370         connman_element_unregister_children(element);
1371
1372         connman_device_set_disconnected(network->device, TRUE);
1373
1374         if (network->driver && network->driver->disconnect) {
1375                 network->driver->disconnect(network);
1376                 return;
1377         }
1378
1379         network->connected = FALSE;
1380 }
1381
1382 static struct connman_driver network_driver = {
1383         .name           = "network",
1384         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1385         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1386         .probe          = network_probe,
1387         .remove         = network_remove,
1388         .change         = network_change,
1389 };
1390
1391 int __connman_network_init(void)
1392 {
1393         DBG("");
1394
1395         connection = connman_dbus_get_connection();
1396
1397         return connman_driver_register(&network_driver);
1398 }
1399
1400 void __connman_network_cleanup(void)
1401 {
1402         DBG("");
1403
1404         connman_driver_unregister(&network_driver);
1405
1406         dbus_connection_unref(connection);
1407 }