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 secondary;
  40         connman_bool_t available;
  41         connman_bool_t connected;
  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_WIFI:
  78                 return "wifi";
  79         case CONNMAN_NETWORK_TYPE_WIMAX:
  80                 return "wimax";
  81         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  82         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  83                 return "bluetooth";
  84         case CONNMAN_NETWORK_TYPE_MBM:
  85         case CONNMAN_NETWORK_TYPE_HSO:
  86                 return "cellular";
  87         }
  88
  89         return NULL;
  90 }
  91
  92 static DBusMessage *get_properties(DBusConnection *conn,
  93                                         DBusMessage *msg, void *data)
  94 {
  95         struct connman_network *network = data;
  96         DBusMessage *reply;
  97         DBusMessageIter array, dict;
  98
  99         DBG("conn %p", conn);
 100
 101         if (__connman_security_check_privilege(msg,
 102                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 103                 return __connman_error_permission_denied(msg);
 104
 105         reply = dbus_message_new_method_return(msg);
 106         if (reply == NULL)
 107                 return NULL;
 108
 109         dbus_message_iter_init_append(reply, &array);
 110
 111         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 112                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 113                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 114                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &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_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         dbus_message_iter_close_container(&array, &dict);
 166
 167         return reply;
 168 }
 169
 170 static DBusMessage *set_property(DBusConnection *conn,
 171                                         DBusMessage *msg, void *data)
 172 {
 173         struct connman_network *network = data;
 174         DBusMessageIter iter, value;
 175         const char *name;
 176         int type;
 177
 178         DBG("conn %p", conn);
 179
 180         if (dbus_message_iter_init(msg, &iter) == FALSE)
 181                 return __connman_error_invalid_arguments(msg);
 182
 183         dbus_message_iter_get_basic(&iter, &name);
 184         dbus_message_iter_next(&iter);
 185         dbus_message_iter_recurse(&iter, &value);
 186
 187         if (__connman_security_check_privilege(msg,
 188                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 189                 return __connman_error_permission_denied(msg);
 190
 191         type = dbus_message_iter_get_arg_type(&value);
 192
 193         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 194                 const char *passphrase;
 195
 196                 if (type != DBUS_TYPE_STRING)
 197                         return __connman_error_invalid_arguments(msg);
 198
 199                 if (__connman_security_check_privilege(msg,
 200                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 201                         return __connman_error_permission_denied(msg);
 202
 203                 dbus_message_iter_get_basic(&value, &passphrase);
 204
 205                 g_free(network->wifi.passphrase);
 206                 network->wifi.passphrase = g_strdup(passphrase);
 207         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 208                 int err;
 209
 210                 if (network->ipconfig == NULL)
 211                         return __connman_error_invalid_property(msg);
 212
 213                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 214                                                         name + 5, &value);
 215                 if (err < 0)
 216                         return __connman_error_failed(msg, -err);
 217         } else
 218                 return __connman_error_invalid_property(msg);
 219
 220         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 221 }
 222
 223 static GDBusMethodTable network_methods[] = {
 224         { "GetProperties", "",   "a{sv}", get_properties },
 225         { "SetProperty",   "sv", "",      set_property   },
 226         { },
 227 };
 228
 229 static GDBusSignalTable network_signals[] = {
 230         { "PropertyChanged", "sv" },
 231         { },
 232 };
 233
 234 static DBusConnection *connection;
 235
 236 static void append_networks(struct connman_device *device,
 237                                                 DBusMessageIter *entry)
 238 {
 239         DBusMessageIter value, iter;
 240         const char *key = "Networks";
 241
 242         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 243
 244         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 245                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 246                                                                 &value);
 247
 248         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 249                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 250         __connman_element_list((struct connman_element *) device,
 251                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 252         dbus_message_iter_close_container(&value, &iter);
 253
 254         dbus_message_iter_close_container(entry, &value);
 255 }
 256
 257 static void emit_networks_signal(struct connman_device *device)
 258 {
 259         const char *path = connman_device_get_path(device);
 260         DBusMessage *signal;
 261         DBusMessageIter entry;
 262
 263         signal = dbus_message_new_signal(path,
 264                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 265         if (signal == NULL)
 266                 return;
 267
 268         dbus_message_iter_init_append(signal, &entry);
 269
 270         append_networks(device, &entry);
 271
 272         g_dbus_send_message(connection, signal);
 273 }
 274
 275 static int register_interface(struct connman_element *element)
 276 {
 277         struct connman_network *network = element->network;
 278
 279         DBG("element %p name %s", element, element->name);
 280
 281         if (g_dbus_register_interface(connection, element->path,
 282                                         CONNMAN_NETWORK_INTERFACE,
 283                                         network_methods, network_signals,
 284                                         NULL, network, NULL) == FALSE) {
 285                 connman_error("Failed to register %s network", element->path);
 286                 return -EIO;
 287         }
 288
 289         network->registered = TRUE;
 290
 291         emit_networks_signal(network->device);
 292
 293         return 0;
 294 }
 295
 296 static void unregister_interface(struct connman_element *element)
 297 {
 298         struct connman_network * network = element->network;
 299
 300         DBG("element %p name %s", element, element->name);
 301
 302         network->registered = FALSE;
 303
 304         emit_networks_signal(network->device);
 305
 306         g_dbus_unregister_interface(connection, element->path,
 307                                                 CONNMAN_NETWORK_INTERFACE);
 308 }
 309
 310 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 311 {
 312         if (network == NULL || network->driver == NULL)
 313                 return FALSE;
 314
 315         return network->registered;
 316 }
 317
 318 static GSList *driver_list = NULL;
 319
 320 static gint compare_priority(gconstpointer a, gconstpointer b)
 321 {
 322         const struct connman_network_driver *driver1 = a;
 323         const struct connman_network_driver *driver2 = b;
 324
 325         return driver2->priority - driver1->priority;
 326 }
 327
 328 /**
 329  * connman_network_driver_register:
 330  * @driver: network driver definition
 331  *
 332  * Register a new network driver
 333  *
 334  * Returns: %0 on success
 335  */
 336 int connman_network_driver_register(struct connman_network_driver *driver)
 337 {
 338         DBG("driver %p name %s", driver, driver->name);
 339
 340         driver_list = g_slist_insert_sorted(driver_list, driver,
 341                                                         compare_priority);
 342
 343         return 0;
 344 }
 345
 346 /**
 347  * connman_network_driver_unregister:
 348  * @driver: network driver definition
 349  *
 350  * Remove a previously registered network driver
 351  */
 352 void connman_network_driver_unregister(struct connman_network_driver *driver)
 353 {
 354         DBG("driver %p name %s", driver, driver->name);
 355
 356         driver_list = g_slist_remove(driver_list, driver);
 357 }
 358
 359 static void network_destruct(struct connman_element *element)
 360 {
 361         struct connman_network *network = element->network;
 362
 363         DBG("element %p name %s", element, element->name);
 364
 365         g_free(network->wifi.ssid);
 366         g_free(network->wifi.mode);
 367         g_free(network->wifi.security);
 368         g_free(network->wifi.passphrase);
 369
 370         g_free(network->group);
 371         g_free(network->node);
 372         g_free(network->name);
 373         g_free(network->address);
 374         g_free(network->identifier);
 375
 376         if (network->ipconfig) {
 377                 connman_ipconfig_unref(network->ipconfig);
 378                 network->ipconfig = NULL;
 379         }
 380 }
 381
 382 /**
 383  * connman_network_create:
 384  * @identifier: network identifier (for example an unqiue name)
 385  *
 386  * Allocate a new network and assign the #identifier to it.
 387  *
 388  * Returns: a newly-allocated #connman_network structure
 389  */
 390 struct connman_network *connman_network_create(const char *identifier,
 391                                                 enum connman_network_type type)
 392 {
 393         struct connman_network *network;
 394         connman_uint8_t strength = 0;
 395         const char *str;
 396         char *temp;
 397
 398         DBG("identifier %s type %d", identifier, type);
 399
 400         network = g_try_new0(struct connman_network, 1);
 401         if (network == NULL)
 402                 return NULL;
 403
 404         DBG("network %p", network);
 405
 406         __connman_element_initialize(&network->element);
 407
 408         //temp = connman_dbus_encode_string(identifier);
 409         if (identifier == NULL) {
 410                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 411                 network->hidden = TRUE;
 412         } else
 413                 temp = g_strdup(identifier);
 414
 415         if (temp == NULL) {
 416                 g_free(network);
 417                 return NULL;
 418         }
 419
 420         network->element.name = temp;
 421         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 422
 423         network->element.network = network;
 424         network->element.destruct = network_destruct;
 425
 426         str = type2string(type);
 427         if (str != NULL)
 428                 connman_element_set_string(&network->element, "Type", str);
 429
 430         connman_element_set_uint8(&network->element, "Strength", strength);
 431
 432         network->type       = type;
 433         network->secondary  = FALSE;
 434         network->identifier = g_strdup(temp);
 435
 436         return network;
 437 }
 438
 439 /**
 440  * connman_network_ref:
 441  * @network: network structure
 442  *
 443  * Increase reference counter of  network
 444  */
 445 struct connman_network *connman_network_ref(struct connman_network *network)
 446 {
 447         if (connman_element_ref(&network->element) == NULL)
 448                 return NULL;
 449
 450         return network;
 451 }
 452
 453 /**
 454  * connman_network_unref:
 455  * @network: network structure
 456  *
 457  * Decrease reference counter of network
 458  */
 459 void connman_network_unref(struct connman_network *network)
 460 {
 461         connman_element_unref(&network->element);
 462 }
 463
 464 const char *__connman_network_get_type(struct connman_network *network)
 465 {
 466         return type2string(network->type);
 467 }
 468
 469 /**
 470  * connman_network_get_type:
 471  * @network: network structure
 472  *
 473  * Get type of network
 474  */
 475 enum connman_network_type connman_network_get_type(struct connman_network *network)
 476 {
 477         return network->type;
 478 }
 479
 480 /**
 481  * connman_network_get_identifier:
 482  * @network: network structure
 483  *
 484  * Get identifier of network
 485  */
 486 const char *connman_network_get_identifier(struct connman_network *network)
 487 {
 488         return network->identifier;
 489 }
 490
 491 /**
 492  * connman_network_get_path:
 493  * @network: network structure
 494  *
 495  * Get path name of network
 496  */
 497 const char *connman_network_get_path(struct connman_network *network)
 498 {
 499         return network->element.path;
 500 }
 501
 502 /**
 503  * connman_network_set_index:
 504  * @network: network structure
 505  * @index: index number
 506  *
 507  * Set index number of network
 508  */
 509 void connman_network_set_index(struct connman_network *network, int index)
 510 {
 511         network->element.index = index;
 512 }
 513
 514 /**
 515  * connman_network_get_index:
 516  * @network: network structure
 517  *
 518  * Get index number of network
 519  */
 520 int connman_network_get_index(struct connman_network *network)
 521 {
 522         return network->element.index;
 523 }
 524
 525 /**
 526  * connman_network_set_protocol:
 527  * @network: network structure
 528  * @protocol: network protocol
 529  *
 530  * Change protocol of network
 531  */
 532 void connman_network_set_protocol(struct connman_network *network,
 533                                         enum connman_network_protocol protocol)
 534 {
 535         network->protocol = protocol;
 536 }
 537
 538 /**
 539  * connman_network_set_group:
 540  * @network: network structure
 541  * @group: group name
 542  *
 543  * Set group name for automatic clustering
 544  */
 545 void connman_network_set_group(struct connman_network *network,
 546                                                         const char *group)
 547 {
 548         if (network->secondary == TRUE)
 549                 return;
 550
 551         switch (network->type) {
 552         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 553         case CONNMAN_NETWORK_TYPE_VENDOR:
 554                 return;
 555         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 556         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 557         case CONNMAN_NETWORK_TYPE_MBM:
 558         case CONNMAN_NETWORK_TYPE_HSO:
 559         case CONNMAN_NETWORK_TYPE_WIFI:
 560         case CONNMAN_NETWORK_TYPE_WIMAX:
 561                 break;
 562         }
 563
 564         if (g_strcmp0(network->group, group) == 0) {
 565                 if (group != NULL)
 566                         __connman_profile_update_network(network);
 567                 return;
 568         }
 569
 570         if (network->group != NULL) {
 571                 __connman_profile_remove_network(network);
 572
 573                 g_free(network->group);
 574         }
 575
 576         network->group = g_strdup(group);
 577
 578         if (network->group != NULL)
 579                 __connman_profile_add_network(network);
 580 }
 581
 582 /**
 583  * connman_network_get_group:
 584  * @network: network structure
 585  *
 586  * Get group name for automatic clustering
 587  */
 588 const char *connman_network_get_group(struct connman_network *network)
 589 {
 590         return network->group;
 591 }
 592
 593 const char *__connman_network_get_ident(struct connman_network *network)
 594 {
 595         if (network->device == NULL)
 596                 return NULL;
 597
 598         return __connman_device_get_ident(network->device);
 599 }
 600
 601 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 602 {
 603         if (network->secondary == TRUE)
 604                 return FALSE;
 605
 606         switch (network->type) {
 607         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 608         case CONNMAN_NETWORK_TYPE_VENDOR:
 609         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 610         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 611         case CONNMAN_NETWORK_TYPE_MBM:
 612         case CONNMAN_NETWORK_TYPE_HSO:
 613         case CONNMAN_NETWORK_TYPE_WIMAX:
 614                 break;
 615         case CONNMAN_NETWORK_TYPE_WIFI:
 616                 if (network->strength > 0 && network->strength < 20)
 617                         return TRUE;
 618                 break;
 619         }
 620
 621         return FALSE;
 622 }
 623
 624 /**
 625  * connman_network_set_available:
 626  * @network: network structure
 627  * @available: availability state
 628  *
 629  * Change availability state of network (in range)
 630  */
 631 int connman_network_set_available(struct connman_network *network,
 632                                                 connman_bool_t available)
 633 {
 634         DBG("network %p available %d", network, available);
 635
 636         if (network->available == available)
 637                 return -EALREADY;
 638
 639         network->available = available;
 640
 641         return 0;
 642 }
 643
 644 /**
 645  * connman_network_get_available:
 646  * @network: network structure
 647  *
 648  * Get network available setting
 649  */
 650 connman_bool_t connman_network_get_available(struct connman_network *network)
 651 {
 652         if (network->hidden == TRUE)
 653                 return TRUE;
 654
 655         return network->available;
 656 }
 657
 658 /**
 659  * connman_network_set_associating:
 660  * @network: network structure
 661  * @associating: associating state
 662  *
 663  * Change associating state of network
 664  */
 665 int connman_network_set_associating(struct connman_network *network,
 666                                                 connman_bool_t associating)
 667 {
 668         DBG("network %p associating %d", network, associating);
 669
 670         if (network->associating == associating)
 671                 return -EALREADY;
 672
 673         network->associating = associating;
 674
 675         if (associating == TRUE) {
 676                 struct connman_service *service;
 677
 678                 service = __connman_service_lookup_from_network(network);
 679                 __connman_service_indicate_state(service,
 680                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 681         }
 682
 683         return 0;
 684 }
 685
 686 static gboolean set_connected(gpointer user_data)
 687 {
 688         struct connman_network *network = user_data;
 689         struct connman_service *service;
 690
 691         service = __connman_service_lookup_from_network(network);
 692
 693         if (network->connected == TRUE) {
 694                 struct connman_element *element;
 695                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 696
 697                 switch (network->protocol) {
 698                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 699                         return 0;
 700                 case CONNMAN_NETWORK_PROTOCOL_IP:
 701                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 702                         break;
 703                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 704                         type = CONNMAN_ELEMENT_TYPE_PPP;
 705                         break;
 706                 }
 707
 708                 __connman_device_increase_connections(network->device);
 709
 710                 __connman_device_set_network(network->device, network);
 711
 712                 connman_device_set_disconnected(network->device, FALSE);
 713
 714                 element = connman_element_create(NULL);
 715                 if (element != NULL) {
 716                         element->type  = type;
 717                         element->index = network->element.index;
 718
 719                         if (connman_element_register(element,
 720                                                 &network->element) < 0)
 721                                 connman_element_unref(element);
 722
 723                         __connman_service_indicate_state(service,
 724                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 725                 }
 726         } else {
 727                 connman_element_unregister_children(&network->element);
 728
 729                 __connman_device_set_network(network->device, NULL);
 730                 network->hidden = FALSE;
 731
 732                 __connman_device_decrease_connections(network->device);
 733
 734                 __connman_service_indicate_state(service,
 735                                                 CONNMAN_SERVICE_STATE_IDLE);
 736         }
 737
 738         network->connecting = FALSE;
 739
 740         connman_network_set_associating(network, FALSE);
 741
 742         return FALSE;
 743 }
 744
 745 /**
 746  * connman_network_set_connected:
 747  * @network: network structure
 748  * @connected: connected state
 749  *
 750  * Change connected state of network
 751  */
 752 int connman_network_set_connected(struct connman_network *network,
 753                                                 connman_bool_t connected)
 754 {
 755         DBusMessage *signal;
 756         DBusMessageIter entry, value;
 757         const char *key = "Connected";
 758
 759         DBG("network %p connected %d", network, connected);
 760
 761         if ((network->connecting == TRUE || network->associating == TRUE) &&
 762                                                         connected == FALSE) {
 763                 connman_element_set_error(&network->element,
 764                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 765                 __connman_network_disconnect(network);
 766         }
 767
 768         if (network->connected == connected)
 769                 return -EALREADY;
 770
 771         network->connected = connected;
 772
 773         if (network->registered == FALSE) {
 774                 g_idle_add(set_connected, network);
 775                 return 0;
 776         }
 777
 778         signal = dbus_message_new_signal(network->element.path,
 779                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 780         if (signal == NULL)
 781                 return 0;
 782
 783         dbus_message_iter_init_append(signal, &entry);
 784
 785         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 786
 787         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 788                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 789         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 790         dbus_message_iter_close_container(&entry, &value);
 791
 792         g_dbus_send_message(connection, signal);
 793
 794         set_connected(network);
 795
 796         return 0;
 797 }
 798
 799 /**
 800  * connman_network_get_connected:
 801  * @network: network structure
 802  *
 803  * Get network connection status
 804  */
 805 connman_bool_t connman_network_get_connected(struct connman_network *network)
 806 {
 807         return network->connected;
 808 }
 809
 810 /**
 811  * connman_network_get_associating:
 812  * @network: network structure
 813  *
 814  * Get network associating status
 815  */
 816 connman_bool_t connman_network_get_associating(struct connman_network *network)
 817 {
 818         return network->associating;
 819 }
 820
 821 /**
 822  * __connman_network_connect:
 823  * @network: network structure
 824  *
 825  * Connect network
 826  */
 827 int __connman_network_connect(struct connman_network *network)
 828 {
 829         int err;
 830
 831         DBG("network %p", network);
 832
 833         if (network->connected == TRUE)
 834                 return -EISCONN;
 835
 836         if (network->connecting == TRUE || network->associating == TRUE)
 837                 return -EALREADY;
 838
 839         if (network->driver == NULL)
 840                 return -EUNATCH;
 841
 842         if (network->driver->connect == NULL)
 843                 return -ENOSYS;
 844
 845         __connman_device_disconnect(network->device);
 846
 847         network->connecting = TRUE;
 848
 849         err = network->driver->connect(network);
 850         if (err < 0) {
 851                 if (err == -EINPROGRESS)
 852                         connman_network_set_associating(network, TRUE);
 853                 else
 854                         network->hidden = FALSE;
 855
 856                 return err;
 857         }
 858
 859         network->connected = TRUE;
 860         set_connected(network);
 861
 862         return err;
 863 }
 864
 865 /**
 866  * __connman_network_disconnect:
 867  * @network: network structure
 868  *
 869  * Disconnect network
 870  */
 871 int __connman_network_disconnect(struct connman_network *network)
 872 {
 873         int err;
 874
 875         DBG("network %p", network);
 876
 877         if (network->connected == FALSE && network->connecting == FALSE &&
 878                                                 network->associating == FALSE)
 879                 return -ENOTCONN;
 880
 881         if (network->driver == NULL)
 882                 return -EUNATCH;
 883
 884         if (network->driver->disconnect == NULL)
 885                 return -ENOSYS;
 886
 887         network->connecting = FALSE;
 888
 889         err = network->driver->disconnect(network);
 890         if (err == 0) {
 891                 network->connected = FALSE;
 892                 set_connected(network);
 893         }
 894
 895         return err;
 896 }
 897
 898 /**
 899  * connman_network_set_address:
 900  * @network: network structure
 901  * @address: binary address value
 902  * @size: binary address length
 903  *
 904  * Set unique address value for network
 905  */
 906 int connman_network_set_address(struct connman_network *network,
 907                                 const void *address, unsigned int size)
 908 {
 909         const unsigned char *addr_octet = address;
 910         char *str;
 911
 912         DBG("network %p size %d", network, size);
 913
 914         if (size != 6)
 915                 return -EINVAL;
 916
 917         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 918                                 addr_octet[0], addr_octet[1], addr_octet[2],
 919                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 920         if (str == NULL)
 921                 return -ENOMEM;
 922
 923         g_free(network->address);
 924         network->address = str;
 925
 926         return connman_element_set_string(&network->element,
 927                                                 "Address", network->address);
 928 }
 929
 930 /**
 931  * connman_network_set_name:
 932  * @network: network structure
 933  * @name: name value
 934  *
 935  * Set display name value for network
 936  */
 937 int connman_network_set_name(struct connman_network *network,
 938                                                         const char *name)
 939 {
 940         DBG("network %p name %s", network, name);
 941
 942         g_free(network->name);
 943         network->name = g_strdup(name);
 944
 945         return connman_element_set_string(&network->element, "Name", name);
 946 }
 947
 948 /**
 949  * connman_network_set_strength:
 950  * @network: network structure
 951  * @strength: strength value
 952  *
 953  * Set signal strength value for network
 954  */
 955 int connman_network_set_strength(struct connman_network *network,
 956                                                 connman_uint8_t strength)
 957 {
 958         DBG("network %p strengh %d", network, strength);
 959
 960         network->strength = strength;
 961
 962         return connman_element_set_uint8(&network->element,
 963                                                 "Strength", strength);
 964 }
 965
 966 /**
 967  * connman_network_set_string:
 968  * @network: network structure
 969  * @key: unique identifier
 970  * @value: string value
 971  *
 972  * Set string value for specific key
 973  */
 974 int connman_network_set_string(struct connman_network *network,
 975                                         const char *key, const char *value)
 976 {
 977         DBG("network %p key %s value %s", network, key, value);
 978
 979         if (g_strcmp0(key, "Name") == 0)
 980                 return connman_network_set_name(network, value);
 981
 982         if (g_str_equal(key, "Address") == TRUE) {
 983                 g_free(network->address);
 984                 network->address = g_strdup(value);
 985         } else if (g_str_equal(key, "Node") == TRUE) {
 986                 g_free(network->node);
 987                 network->node = g_strdup(value);
 988         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 989                 g_free(network->wifi.mode);
 990                 network->wifi.mode = g_strdup(value);
 991         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 992                 g_free(network->wifi.security);
 993                 network->wifi.security = g_strdup(value);
 994         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 995                 g_free(network->wifi.passphrase);
 996                 network->wifi.passphrase = g_strdup(value);
 997         }
 998
 999         return connman_element_set_string(&network->element, key, value);
1000 }
1001
1002 /**
1003  * connman_network_get_string:
1004  * @network: network structure
1005  * @key: unique identifier
1006  *
1007  * Get string value for specific key
1008  */
1009 const char *connman_network_get_string(struct connman_network *network,
1010                                                         const char *key)
1011 {
1012         DBG("network %p key %s", network, key);
1013
1014         if (g_str_equal(key, "Address") == TRUE)
1015                 return network->address;
1016         else if (g_str_equal(key, "Name") == TRUE)
1017                 return network->name;
1018         else if (g_str_equal(key, "Node") == TRUE)
1019                 return network->node;
1020         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1021                 return network->wifi.mode;
1022         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1023                 return network->wifi.security;
1024         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1025                 return network->wifi.passphrase;
1026
1027         return connman_element_get_string(&network->element, key);
1028 }
1029
1030 /**
1031  * connman_network_set_uint8:
1032  * @network: network structure
1033  * @key: unique identifier
1034  * @value: integer value
1035  *
1036  * Set integer value for specific key
1037  */
1038 int connman_network_set_uint8(struct connman_network *network,
1039                                         const char *key, connman_uint8_t value)
1040 {
1041         DBG("network %p key %s value %d", network, key, value);
1042
1043         if (g_strcmp0(key, "Strength") == 0)
1044                 return connman_network_set_strength(network, value);
1045
1046         return connman_element_set_uint8(&network->element, key, value);
1047 }
1048
1049 /**
1050  * connman_network_get_uint8:
1051  * @network: network structure
1052  * @key: unique identifier
1053  *
1054  * Get integer value for specific key
1055  */
1056 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1057                                                         const char *key)
1058 {
1059         DBG("network %p key %s", network, key);
1060
1061         if (g_str_equal(key, "Strength") == TRUE)
1062                 return network->strength;
1063
1064         return connman_element_get_uint8(&network->element, key);
1065 }
1066
1067 /**
1068  * connman_network_set_uint16:
1069  * @network: network structure
1070  * @key: unique identifier
1071  * @value: integer value
1072  *
1073  * Set integer value for specific key
1074  */
1075 int connman_network_set_uint16(struct connman_network *network,
1076                                 const char *key, connman_uint16_t value)
1077 {
1078         DBG("network %p key %s value %d", network, key, value);
1079
1080         if (g_str_equal(key, "Frequency") == TRUE)
1081                 network->frequency = value;
1082         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1083                 network->wifi.channel = value;
1084
1085         return -EINVAL;
1086 }
1087
1088 /**
1089  * connman_network_get_uint16:
1090  * @network: network structure
1091  * @key: unique identifier
1092  *
1093  * Get integer value for specific key
1094  */
1095 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1096                                                         const char *key)
1097 {
1098         DBG("network %p key %s", network, key);
1099
1100         if (g_str_equal(key, "Frequency") == TRUE)
1101                 return network->frequency;
1102         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1103                 return network->wifi.channel;
1104
1105         return 0;
1106 }
1107
1108 /**
1109  * connman_network_set_blob:
1110  * @network: network structure
1111  * @key: unique identifier
1112  * @data: blob data
1113  * @size: blob size
1114  *
1115  * Set binary blob value for specific key
1116  */
1117 int connman_network_set_blob(struct connman_network *network,
1118                         const char *key, const void *data, unsigned int size)
1119 {
1120         DBG("network %p key %s size %d", network, key, size);
1121
1122         if (g_strcmp0(key, "Address") == 0)
1123                 return connman_network_set_address(network, data, size);
1124
1125         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1126                 g_free(network->wifi.ssid);
1127                 network->wifi.ssid = g_try_malloc(size);
1128                 if (network->wifi.ssid != NULL) {
1129                         memcpy(network->wifi.ssid, data, size);
1130                         network->wifi.ssid_len = size;
1131                 } else
1132                         network->wifi.ssid_len = 0;
1133         }
1134
1135         return connman_element_set_blob(&network->element, key, data, size);
1136 }
1137
1138 /**
1139  * connman_network_get_blob:
1140  * @network: network structure
1141  * @key: unique identifier
1142  * @size: pointer to blob size
1143  *
1144  * Get binary blob value for specific key
1145  */
1146 const void *connman_network_get_blob(struct connman_network *network,
1147                                         const char *key, unsigned int *size)
1148 {
1149         DBG("network %p key %s", network, key);
1150
1151         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1152                 if (size != NULL)
1153                         *size = network->wifi.ssid_len;
1154                 return network->wifi.ssid;
1155         }
1156
1157         return connman_element_get_blob(&network->element, key, size);
1158 }
1159
1160 void __connman_network_set_device(struct connman_network *network,
1161                                         struct connman_device *device)
1162 {
1163         network->device = device;
1164 }
1165
1166 /**
1167  * connman_network_get_device:
1168  * @network: network structure
1169  *
1170  * Get parent device of network
1171  */
1172 struct connman_device *connman_network_get_device(struct connman_network *network)
1173 {
1174         return network->device;
1175 }
1176
1177 /**
1178  * connman_network_get_data:
1179  * @network: network structure
1180  *
1181  * Get private network data pointer
1182  */
1183 void *connman_network_get_data(struct connman_network *network)
1184 {
1185         return network->driver_data;
1186 }
1187
1188 /**
1189  * connman_network_set_data:
1190  * @network: network structure
1191  * @data: data pointer
1192  *
1193  * Set private network data pointer
1194  */
1195 void connman_network_set_data(struct connman_network *network, void *data)
1196 {
1197         network->driver_data = data;
1198 }
1199
1200 static gboolean match_driver(struct connman_network *network,
1201                                         struct connman_network_driver *driver)
1202 {
1203         if (network->type == driver->type ||
1204                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1205                 return TRUE;
1206
1207         return FALSE;
1208 }
1209
1210 static int network_probe(struct connman_element *element)
1211 {
1212         struct connman_network *network = element->network;
1213         GSList *list;
1214         int err;
1215
1216         DBG("element %p name %s", element, element->name);
1217
1218         if (network == NULL)
1219                 return -ENODEV;
1220
1221         for (list = driver_list; list; list = list->next) {
1222                 struct connman_network_driver *driver = list->data;
1223
1224                 if (match_driver(network, driver) == FALSE)
1225                         continue;
1226
1227                 DBG("driver %p name %s", driver, driver->name);
1228
1229                 if (driver->probe(network) == 0) {
1230                         network->driver = driver;
1231                         break;
1232                 }
1233         }
1234
1235         if (network->driver == NULL)
1236                 return -ENODEV;
1237
1238         err = register_interface(element);
1239         if (err < 0) {
1240                 if (network->driver->remove)
1241                         network->driver->remove(network);
1242                 return err;
1243         }
1244
1245         network->secondary = connman_device_get_secondary(network->device);
1246
1247         switch (network->type) {
1248         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1249         case CONNMAN_NETWORK_TYPE_VENDOR:
1250                 break;
1251         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1252         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1253         case CONNMAN_NETWORK_TYPE_MBM:
1254         case CONNMAN_NETWORK_TYPE_HSO:
1255         case CONNMAN_NETWORK_TYPE_WIFI:
1256         case CONNMAN_NETWORK_TYPE_WIMAX:
1257                 if (network->group != NULL && network->secondary == FALSE)
1258                         __connman_profile_add_network(network);
1259                 break;
1260         }
1261
1262         return 0;
1263 }
1264
1265 static void network_remove(struct connman_element *element)
1266 {
1267         struct connman_network *network = element->network;
1268
1269         DBG("element %p name %s", element, element->name);
1270
1271         if (network == NULL)
1272                 return;
1273
1274         if (network->driver == NULL)
1275                 return;
1276
1277         switch (network->type) {
1278         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1279         case CONNMAN_NETWORK_TYPE_VENDOR:
1280                 break;
1281         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1282         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1283         case CONNMAN_NETWORK_TYPE_MBM:
1284         case CONNMAN_NETWORK_TYPE_HSO:
1285         case CONNMAN_NETWORK_TYPE_WIFI:
1286         case CONNMAN_NETWORK_TYPE_WIMAX:
1287                 if (network->group != NULL && network->secondary == FALSE) {
1288                         __connman_profile_remove_network(network);
1289
1290                         g_free(network->group);
1291                         network->group = NULL;
1292                 }
1293                 break;
1294         }
1295
1296         unregister_interface(element);
1297
1298         if (network->driver->remove)
1299                 network->driver->remove(network);
1300 }
1301
1302 static void network_change(struct connman_element *element)
1303 {
1304         struct connman_network *network = element->network;
1305
1306         DBG("element %p name %s", element, element->name);
1307
1308         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1309                 return;
1310
1311         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1312                 return;
1313
1314         if (network->connected == FALSE)
1315                 return;
1316
1317         connman_element_unregister_children(element);
1318
1319         connman_device_set_disconnected(network->device, TRUE);
1320
1321         if (network->driver && network->driver->disconnect) {
1322                 network->driver->disconnect(network);
1323                 return;
1324         }
1325
1326         network->connected = FALSE;
1327 }
1328
1329 static struct connman_driver network_driver = {
1330         .name           = "network",
1331         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1332         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1333         .probe          = network_probe,
1334         .remove         = network_remove,
1335         .change         = network_change,
1336 };
1337
1338 int __connman_network_init(void)
1339 {
1340         DBG("");
1341
1342         connection = connman_dbus_get_connection();
1343
1344         return connman_driver_register(&network_driver);
1345 }
1346
1347 void __connman_network_cleanup(void)
1348 {
1349         DBG("");
1350
1351         connman_driver_unregister(&network_driver);
1352
1353         dbus_connection_unref(connection);
1354 }