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 struct connman_network {
  34         struct connman_element element;
  35         enum connman_network_type type;
  36         enum connman_network_protocol protocol;
  37         connman_bool_t secondary;
  38         connman_bool_t available;
  39         connman_bool_t connected;
  40         connman_uint8_t strength;
  41         connman_uint16_t frequency;
  42         char *identifier;
  43         char *address;
  44         char *name;
  45         char *node;
  46         char *group;
  47         struct connman_ipconfig *ipconfig;
  48
  49         struct connman_network_driver *driver;
  50         void *driver_data;
  51
  52         connman_bool_t registered;
  53         connman_bool_t connecting;
  54         connman_bool_t associating;
  55
  56         struct connman_device *device;
  57
  58         struct {
  59                 void *ssid;
  60                 int ssid_len;
  61                 char *mode;
  62                 unsigned short channel;
  63                 char *security;
  64                 char *passphrase;
  65         } wifi;
  66 };
  67
  68 static const char *type2string(enum connman_network_type type)
  69 {
  70         switch (type) {
  71         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  72         case CONNMAN_NETWORK_TYPE_VENDOR:
  73                 break;
  74         case CONNMAN_NETWORK_TYPE_WIFI:
  75                 return "wifi";
  76         case CONNMAN_NETWORK_TYPE_WIMAX:
  77                 return "wimax";
  78         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  79         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  80                 return "bluetooth";
  81         case CONNMAN_NETWORK_TYPE_MBM:
  82         case CONNMAN_NETWORK_TYPE_HSO:
  83                 return "cellular";
  84         }
  85
  86         return NULL;
  87 }
  88
  89 static DBusMessage *get_properties(DBusConnection *conn,
  90                                         DBusMessage *msg, void *data)
  91 {
  92         struct connman_network *network = data;
  93         DBusMessage *reply;
  94         DBusMessageIter array, dict;
  95
  96         DBG("conn %p", conn);
  97
  98         if (__connman_security_check_privilege(msg,
  99                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 100                 return __connman_error_permission_denied(msg);
 101
 102         reply = dbus_message_new_method_return(msg);
 103         if (reply == NULL)
 104                 return NULL;
 105
 106         dbus_message_iter_init_append(reply, &array);
 107
 108         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 109                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 110                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 111                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 112
 113         if (network->device) {
 114                 const char *path = connman_device_get_path(network->device);
 115                 if (path != NULL)
 116                         connman_dbus_dict_append_variant(&dict, "Device",
 117                                                 DBUS_TYPE_OBJECT_PATH, &path);
 118         }
 119
 120         if (network->address != NULL)
 121                 connman_dbus_dict_append_variant(&dict, "Address",
 122                                         DBUS_TYPE_STRING, &network->address);
 123
 124         if (network->name != NULL)
 125                 connman_dbus_dict_append_variant(&dict, "Name",
 126                                         DBUS_TYPE_STRING, &network->name);
 127
 128         connman_dbus_dict_append_variant(&dict, "Connected",
 129                                 DBUS_TYPE_BOOLEAN, &network->connected);
 130
 131         if (network->strength > 0)
 132                 connman_dbus_dict_append_variant(&dict, "Strength",
 133                                         DBUS_TYPE_BYTE, &network->strength);
 134
 135         if (network->frequency > 0)
 136                 connman_dbus_dict_append_variant(&dict, "Frequency",
 137                                         DBUS_TYPE_UINT16, &network->frequency);
 138
 139         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 140                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 141                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 142                                                 network->wifi.ssid_len);
 143
 144         if (network->wifi.mode != NULL)
 145                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 146                                 DBUS_TYPE_STRING, &network->wifi.mode);
 147
 148         if (network->wifi.channel > 0)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 150                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 151
 152         if (network->wifi.security != NULL)
 153                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 154                                 DBUS_TYPE_STRING, &network->wifi.security);
 155
 156         if (network->wifi.passphrase != NULL &&
 157                         __connman_security_check_privilege(msg,
 158                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 159                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 160                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 161
 162         dbus_message_iter_close_container(&array, &dict);
 163
 164         return reply;
 165 }
 166
 167 static DBusMessage *set_property(DBusConnection *conn,
 168                                         DBusMessage *msg, void *data)
 169 {
 170         struct connman_network *network = data;
 171         DBusMessageIter iter, value;
 172         const char *name;
 173         int type;
 174
 175         DBG("conn %p", conn);
 176
 177         if (dbus_message_iter_init(msg, &iter) == FALSE)
 178                 return __connman_error_invalid_arguments(msg);
 179
 180         dbus_message_iter_get_basic(&iter, &name);
 181         dbus_message_iter_next(&iter);
 182         dbus_message_iter_recurse(&iter, &value);
 183
 184         if (__connman_security_check_privilege(msg,
 185                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 186                 return __connman_error_permission_denied(msg);
 187
 188         type = dbus_message_iter_get_arg_type(&value);
 189
 190         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 191                 const char *passphrase;
 192
 193                 if (type != DBUS_TYPE_STRING)
 194                         return __connman_error_invalid_arguments(msg);
 195
 196                 if (__connman_security_check_privilege(msg,
 197                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 198                         return __connman_error_permission_denied(msg);
 199
 200                 dbus_message_iter_get_basic(&value, &passphrase);
 201
 202                 g_free(network->wifi.passphrase);
 203                 network->wifi.passphrase = g_strdup(passphrase);
 204         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 205                 int err;
 206
 207                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 208                                                         name + 5, &value);
 209                 if (err < 0)
 210                         return __connman_error_failed(msg, -err);
 211         } else
 212                 return __connman_error_invalid_property(msg);
 213
 214         __connman_storage_save_network(network);
 215
 216         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 217 }
 218
 219 static DBusMessage *do_connect(DBusConnection *conn,
 220                                         DBusMessage *msg, void *data)
 221 {
 222         struct connman_network *network = data;
 223         int err;
 224
 225         DBG("conn %p", conn);
 226
 227         if (__connman_security_check_privilege(msg,
 228                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 229                 return __connman_error_permission_denied(msg);
 230
 231         if (network->connected == TRUE)
 232                 return __connman_error_failed(msg, EALREADY);
 233
 234         if (network->driver && network->driver->connect) {
 235                 enum connman_device_mode mode;
 236
 237                 mode = connman_device_get_mode(network->device);
 238                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 239                         __connman_device_disconnect(network->device);
 240
 241                 err = network->driver->connect(network);
 242                 if (err < 0 && err != -EINPROGRESS)
 243                         return __connman_error_failed(msg, -err);
 244         } else
 245                 network->connected = TRUE;
 246
 247         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 248 }
 249
 250 static DBusMessage *do_disconnect(DBusConnection *conn,
 251                                         DBusMessage *msg, void *data)
 252 {
 253         struct connman_network *network = data;
 254         int err;
 255
 256         DBG("conn %p", conn);
 257
 258         if (__connman_security_check_privilege(msg,
 259                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 260                 return __connman_error_permission_denied(msg);
 261
 262         if (network->connected == FALSE)
 263                 return __connman_error_failed(msg, EINVAL);
 264
 265         connman_element_unregister_children(&network->element);
 266
 267         connman_device_set_disconnected(network->device, TRUE);
 268
 269         if (network->driver && network->driver->disconnect) {
 270                 err = network->driver->disconnect(network);
 271                 if (err < 0 && err != -EINPROGRESS)
 272                         return __connman_error_failed(msg, -err);
 273         } else
 274                 network->connected = FALSE;
 275
 276         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 277 }
 278
 279 static GDBusMethodTable network_methods[] = {
 280         { "GetProperties", "",   "a{sv}", get_properties },
 281         { "SetProperty",   "sv", "",      set_property   },
 282         { "Connect",       "",   "",      do_connect     },
 283         { "Disconnect",    "",   "",      do_disconnect  },
 284         { },
 285 };
 286
 287 static GDBusSignalTable network_signals[] = {
 288         { "PropertyChanged", "sv" },
 289         { },
 290 };
 291
 292 static DBusConnection *connection;
 293
 294 static void append_networks(struct connman_device *device,
 295                                                 DBusMessageIter *entry)
 296 {
 297         DBusMessageIter value, iter;
 298         const char *key = "Networks";
 299
 300         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 301
 302         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 303                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 304                                                                 &value);
 305
 306         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 307                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 308         __connman_element_list((struct connman_element *) device,
 309                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 310         dbus_message_iter_close_container(&value, &iter);
 311
 312         dbus_message_iter_close_container(entry, &value);
 313 }
 314
 315 static void emit_networks_signal(struct connman_device *device)
 316 {
 317         const char *path = connman_device_get_path(device);
 318         DBusMessage *signal;
 319         DBusMessageIter entry;
 320
 321         signal = dbus_message_new_signal(path,
 322                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 323         if (signal == NULL)
 324                 return;
 325
 326         dbus_message_iter_init_append(signal, &entry);
 327
 328         append_networks(device, &entry);
 329
 330         g_dbus_send_message(connection, signal);
 331 }
 332
 333 static int register_interface(struct connman_element *element)
 334 {
 335         struct connman_network *network = element->network;
 336
 337         DBG("element %p name %s", element, element->name);
 338
 339         if (g_dbus_register_interface(connection, element->path,
 340                                         CONNMAN_NETWORK_INTERFACE,
 341                                         network_methods, network_signals,
 342                                         NULL, network, NULL) == FALSE) {
 343                 connman_error("Failed to register %s network", element->path);
 344                 return -EIO;
 345         }
 346
 347         network->registered = TRUE;
 348
 349         emit_networks_signal(network->device);
 350
 351         return 0;
 352 }
 353
 354 static void unregister_interface(struct connman_element *element)
 355 {
 356         struct connman_network * network = element->network;
 357
 358         DBG("element %p name %s", element, element->name);
 359
 360         network->registered = FALSE;
 361
 362         emit_networks_signal(network->device);
 363
 364         g_dbus_unregister_interface(connection, element->path,
 365                                                 CONNMAN_NETWORK_INTERFACE);
 366 }
 367
 368 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 369 {
 370         if (network == NULL || network->driver == NULL)
 371                 return FALSE;
 372
 373         return network->registered;
 374 }
 375
 376 static GSList *driver_list = NULL;
 377
 378 static gint compare_priority(gconstpointer a, gconstpointer b)
 379 {
 380         const struct connman_network_driver *driver1 = a;
 381         const struct connman_network_driver *driver2 = b;
 382
 383         return driver2->priority - driver1->priority;
 384 }
 385
 386 /**
 387  * connman_network_driver_register:
 388  * @driver: network driver definition
 389  *
 390  * Register a new network driver
 391  *
 392  * Returns: %0 on success
 393  */
 394 int connman_network_driver_register(struct connman_network_driver *driver)
 395 {
 396         DBG("driver %p name %s", driver, driver->name);
 397
 398         driver_list = g_slist_insert_sorted(driver_list, driver,
 399                                                         compare_priority);
 400
 401         return 0;
 402 }
 403
 404 /**
 405  * connman_network_driver_unregister:
 406  * @driver: network driver definition
 407  *
 408  * Remove a previously registered network driver
 409  */
 410 void connman_network_driver_unregister(struct connman_network_driver *driver)
 411 {
 412         DBG("driver %p name %s", driver, driver->name);
 413
 414         driver_list = g_slist_remove(driver_list, driver);
 415 }
 416
 417 static void network_destruct(struct connman_element *element)
 418 {
 419         struct connman_network *network = element->network;
 420
 421         DBG("element %p name %s", element, element->name);
 422
 423         g_free(network->wifi.ssid);
 424         g_free(network->wifi.mode);
 425         g_free(network->wifi.security);
 426         g_free(network->wifi.passphrase);
 427
 428         g_free(network->group);
 429         g_free(network->node);
 430         g_free(network->name);
 431         g_free(network->address);
 432         g_free(network->identifier);
 433
 434         connman_ipconfig_unref(network->ipconfig);
 435 }
 436
 437 /**
 438  * connman_network_create:
 439  * @identifier: network identifier (for example an unqiue name)
 440  *
 441  * Allocate a new network and assign the #identifier to it.
 442  *
 443  * Returns: a newly-allocated #connman_network structure
 444  */
 445 struct connman_network *connman_network_create(const char *identifier,
 446                                                 enum connman_network_type type)
 447 {
 448         struct connman_network *network;
 449         connman_uint8_t strength = 0;
 450         const char *str;
 451         char *temp;
 452
 453         DBG("identifier %s type %d", identifier, type);
 454
 455         network = g_try_new0(struct connman_network, 1);
 456         if (network == NULL)
 457                 return NULL;
 458
 459         DBG("network %p", network);
 460
 461         __connman_element_initialize(&network->element);
 462
 463         //temp = connman_dbus_encode_string(identifier);
 464         temp = g_strdup(identifier);
 465         if (temp == NULL) {
 466                 g_free(network);
 467                 return NULL;
 468         }
 469
 470         network->element.name = temp;
 471         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 472
 473         network->element.network = network;
 474         network->element.destruct = network_destruct;
 475
 476         str = type2string(type);
 477         if (str != NULL)
 478                 connman_element_set_string(&network->element, "Type", str);
 479
 480         connman_element_set_uint8(&network->element, "Strength", strength);
 481
 482         network->type       = type;
 483         network->secondary  = FALSE;
 484         network->identifier = g_strdup(identifier);
 485
 486         network->ipconfig = connman_ipconfig_create();
 487         if (network->ipconfig == NULL) {
 488                 connman_network_unref(network);
 489                 return NULL;
 490         }
 491
 492         return network;
 493 }
 494
 495 /**
 496  * connman_network_ref:
 497  * @network: network structure
 498  *
 499  * Increase reference counter of  network
 500  */
 501 struct connman_network *connman_network_ref(struct connman_network *network)
 502 {
 503         if (connman_element_ref(&network->element) == NULL)
 504                 return NULL;
 505
 506         return network;
 507 }
 508
 509 /**
 510  * connman_network_unref:
 511  * @network: network structure
 512  *
 513  * Decrease reference counter of network
 514  */
 515 void connman_network_unref(struct connman_network *network)
 516 {
 517         connman_element_unref(&network->element);
 518 }
 519
 520 const char *__connman_network_get_type(struct connman_network *network)
 521 {
 522         return type2string(network->type);
 523 }
 524
 525 /**
 526  * connman_network_get_type:
 527  * @network: network structure
 528  *
 529  * Get type of network
 530  */
 531 enum connman_network_type connman_network_get_type(struct connman_network *network)
 532 {
 533         return network->type;
 534 }
 535
 536 /**
 537  * connman_network_get_identifier:
 538  * @network: network structure
 539  *
 540  * Get identifier of network
 541  */
 542 const char *connman_network_get_identifier(struct connman_network *network)
 543 {
 544         return network->identifier;
 545 }
 546
 547 /**
 548  * connman_network_get_path:
 549  * @network: network structure
 550  *
 551  * Get path name of network
 552  */
 553 const char *connman_network_get_path(struct connman_network *network)
 554 {
 555         return network->element.path;
 556 }
 557
 558 /**
 559  * connman_network_set_index:
 560  * @network: network structure
 561  * @index: index number
 562  *
 563  * Set index number of network
 564  */
 565 void connman_network_set_index(struct connman_network *network, int index)
 566 {
 567         network->element.index = index;
 568 }
 569
 570 /**
 571  * connman_network_get_index:
 572  * @network: network structure
 573  *
 574  * Get index number of network
 575  */
 576 int connman_network_get_index(struct connman_network *network)
 577 {
 578         return network->element.index;
 579 }
 580
 581 /**
 582  * connman_network_set_protocol:
 583  * @network: network structure
 584  * @protocol: network protocol
 585  *
 586  * Change protocol of network
 587  */
 588 void connman_network_set_protocol(struct connman_network *network,
 589                                         enum connman_network_protocol protocol)
 590 {
 591         network->protocol = protocol;
 592 }
 593
 594 /**
 595  * connman_network_set_group:
 596  * @network: network structure
 597  * @group: group name
 598  *
 599  * Set group name for automatic clustering
 600  */
 601 void connman_network_set_group(struct connman_network *network,
 602                                                         const char *group)
 603 {
 604         if (network->secondary == TRUE)
 605                 return;
 606
 607         if (g_strcmp0(network->group, group) == 0)
 608                 return;
 609
 610         switch (network->type) {
 611         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 612         case CONNMAN_NETWORK_TYPE_VENDOR:
 613         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 614         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 615                 return;
 616         case CONNMAN_NETWORK_TYPE_MBM:
 617         case CONNMAN_NETWORK_TYPE_HSO:
 618         case CONNMAN_NETWORK_TYPE_WIFI:
 619         case CONNMAN_NETWORK_TYPE_WIMAX:
 620                 break;
 621         }
 622
 623         if (network->group != NULL) {
 624                 __connman_profile_remove_network(network);
 625
 626                 g_free(network->group);
 627         }
 628
 629         network->group = g_strdup(group);
 630
 631         if (network->group != NULL)
 632                 __connman_profile_add_network(network);
 633 }
 634
 635 /**
 636  * connman_network_get_group:
 637  * @network: network structure
 638  *
 639  * Get group name for automatic clustering
 640  */
 641 const char *connman_network_get_group(struct connman_network *network)
 642 {
 643         return network->group;
 644 }
 645
 646 const char *__connman_network_get_ident(struct connman_network *network)
 647 {
 648         if (network->device == NULL)
 649                 return NULL;
 650
 651         return __connman_device_get_ident(network->device);
 652 }
 653
 654 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 655 {
 656         if (network->secondary == TRUE)
 657                 return FALSE;
 658
 659         switch (network->type) {
 660         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 661         case CONNMAN_NETWORK_TYPE_VENDOR:
 662         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 663         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 664         case CONNMAN_NETWORK_TYPE_MBM:
 665         case CONNMAN_NETWORK_TYPE_HSO:
 666         case CONNMAN_NETWORK_TYPE_WIMAX:
 667                 break;
 668         case CONNMAN_NETWORK_TYPE_WIFI:
 669                 if (network->strength < 20)
 670                         return TRUE;
 671                 break;
 672         }
 673
 674         return FALSE;
 675 }
 676
 677 /**
 678  * connman_network_set_available:
 679  * @network: network structure
 680  * @available: availability state
 681  *
 682  * Change availability state of network (in range)
 683  */
 684 int connman_network_set_available(struct connman_network *network,
 685                                                 connman_bool_t available)
 686 {
 687         DBG("network %p available %d", network, available);
 688
 689         if (network->available == available)
 690                 return -EALREADY;
 691
 692         network->available = available;
 693
 694         return 0;
 695 }
 696
 697 /**
 698  * connman_network_get_available:
 699  * @network: network structure
 700  *
 701  * Get network available setting
 702  */
 703 connman_bool_t connman_network_get_available(struct connman_network *network)
 704 {
 705         return network->available;
 706 }
 707
 708 /**
 709  * connman_network_set_associating:
 710  * @network: network structure
 711  * @associating: associating state
 712  *
 713  * Change associating state of network
 714  */
 715 int connman_network_set_associating(struct connman_network *network,
 716                                                 connman_bool_t associating)
 717 {
 718         DBG("network %p associating %d", network, associating);
 719
 720         if (network->associating == associating)
 721                 return -EALREADY;
 722
 723         network->associating = associating;
 724
 725         if (associating == TRUE) {
 726                 struct connman_service *service;
 727
 728                 service = __connman_service_lookup_from_network(network);
 729                 __connman_service_indicate_state(service,
 730                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 731         }
 732
 733         return 0;
 734 }
 735
 736 static gboolean set_connected(gpointer user_data)
 737 {
 738         struct connman_network *network = user_data;
 739         struct connman_service *service;
 740
 741         service = __connman_service_lookup_from_network(network);
 742
 743         if (network->connected == TRUE) {
 744                 struct connman_element *element;
 745                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 746
 747                 switch (network->protocol) {
 748                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 749                         return 0;
 750                 case CONNMAN_NETWORK_PROTOCOL_IP:
 751                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 752                         break;
 753                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 754                         type = CONNMAN_ELEMENT_TYPE_PPP;
 755                         break;
 756                 }
 757
 758                 __connman_device_increase_connections(network->device);
 759
 760                 __connman_device_set_network(network->device, network);
 761
 762                 connman_device_set_disconnected(network->device, FALSE);
 763
 764                 element = connman_element_create(NULL);
 765                 if (element != NULL) {
 766                         element->type  = type;
 767                         element->index = network->element.index;
 768
 769                         if (connman_element_register(element,
 770                                                 &network->element) < 0)
 771                                 connman_element_unref(element);
 772
 773                         __connman_service_indicate_state(service,
 774                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 775                 }
 776         } else {
 777                 connman_element_unregister_children(&network->element);
 778
 779                 __connman_device_set_network(network->device, NULL);
 780
 781                 __connman_device_decrease_connections(network->device);
 782
 783                 __connman_service_indicate_state(service,
 784                                                 CONNMAN_SERVICE_STATE_IDLE);
 785         }
 786
 787         network->connecting = FALSE;
 788         network->associating = FALSE;
 789
 790         return FALSE;
 791 }
 792
 793 /**
 794  * connman_network_set_connected:
 795  * @network: network structure
 796  * @connected: connected state
 797  *
 798  * Change connected state of network
 799  */
 800 int connman_network_set_connected(struct connman_network *network,
 801                                                 connman_bool_t connected)
 802 {
 803         DBusMessage *signal;
 804         DBusMessageIter entry, value;
 805         const char *key = "Connected";
 806
 807         DBG("network %p connected %d", network, connected);
 808
 809         if ((network->connecting == TRUE || network->associating == TRUE) &&
 810                                                         connected == FALSE) {
 811                 connman_element_set_error(&network->element,
 812                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 813                 __connman_network_disconnect(network);
 814         }
 815
 816         if (connected == TRUE) {
 817                 network->connecting = FALSE;
 818                 network->associating = FALSE;
 819         }
 820
 821         if (network->connected == connected)
 822                 return -EALREADY;
 823
 824         network->connected = connected;
 825
 826         if (network->registered == FALSE) {
 827                 g_idle_add(set_connected, network);
 828                 return 0;
 829         }
 830
 831         signal = dbus_message_new_signal(network->element.path,
 832                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 833         if (signal == NULL)
 834                 return 0;
 835
 836         dbus_message_iter_init_append(signal, &entry);
 837
 838         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 839
 840         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 841                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 842         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 843         dbus_message_iter_close_container(&entry, &value);
 844
 845         g_dbus_send_message(connection, signal);
 846
 847         set_connected(network);
 848
 849         return 0;
 850 }
 851
 852 /**
 853  * connman_network_get_connected:
 854  * @network: network structure
 855  *
 856  * Get network connection status
 857  */
 858 connman_bool_t connman_network_get_connected(struct connman_network *network)
 859 {
 860         return network->connected;
 861 }
 862
 863 /**
 864  * connman_network_get_associating:
 865  * @network: network structure
 866  *
 867  * Get network associating status
 868  */
 869 connman_bool_t connman_network_get_associating(struct connman_network *network)
 870 {
 871         return network->associating;
 872 }
 873
 874 /**
 875  * __connman_network_connect:
 876  * @network: network structure
 877  *
 878  * Connect network
 879  */
 880 int __connman_network_connect(struct connman_network *network)
 881 {
 882         int err;
 883
 884         DBG("network %p", network);
 885
 886         if (network->connected == TRUE)
 887                 return -EISCONN;
 888
 889         if (network->connecting == TRUE || network->associating == TRUE)
 890                 return -EALREADY;
 891
 892         if (network->driver == NULL)
 893                 return -EUNATCH;
 894
 895         if (network->driver->connect == NULL)
 896                 return -ENOSYS;
 897
 898         __connman_device_disconnect(network->device);
 899
 900         network->connecting = TRUE;
 901
 902         err = network->driver->connect(network);
 903         if (err < 0) {
 904                 if (err == -EINPROGRESS)
 905                         connman_network_set_associating(network, TRUE);
 906
 907                 return err;
 908         }
 909
 910         network->connected = TRUE;
 911         set_connected(network);
 912
 913         return err;
 914 }
 915
 916 /**
 917  * __connman_network_disconnect:
 918  * @network: network structure
 919  *
 920  * Disconnect network
 921  */
 922 int __connman_network_disconnect(struct connman_network *network)
 923 {
 924         int err;
 925
 926         DBG("network %p", network);
 927
 928         if (network->connected == FALSE && network->connecting == FALSE &&
 929                                                 network->associating == FALSE)
 930                 return -ENOTCONN;
 931
 932         if (network->driver == NULL)
 933                 return -EUNATCH;
 934
 935         if (network->driver->disconnect == NULL)
 936                 return -ENOSYS;
 937
 938         network->connecting = FALSE;
 939
 940         err = network->driver->disconnect(network);
 941         if (err == 0) {
 942                 network->connected = FALSE;
 943                 set_connected(network);
 944         }
 945
 946         return err;
 947 }
 948
 949 /**
 950  * connman_network_set_address:
 951  * @network: network structure
 952  * @address: binary address value
 953  * @size: binary address length
 954  *
 955  * Set unique address value for network
 956  */
 957 int connman_network_set_address(struct connman_network *network,
 958                                 const void *address, unsigned int size)
 959 {
 960         const unsigned char *addr_octet = address;
 961         char *str;
 962
 963         DBG("network %p size %d", network, size);
 964
 965         if (size != 6)
 966                 return -EINVAL;
 967
 968         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 969                                 addr_octet[0], addr_octet[1], addr_octet[2],
 970                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 971         if (str == NULL)
 972                 return -ENOMEM;
 973
 974         g_free(network->address);
 975         network->address = str;
 976
 977         return connman_element_set_string(&network->element,
 978                                                 "Address", network->address);
 979 }
 980
 981 /**
 982  * connman_network_set_name:
 983  * @network: network structure
 984  * @name: name value
 985  *
 986  * Set display name value for network
 987  */
 988 int connman_network_set_name(struct connman_network *network,
 989                                                         const char *name)
 990 {
 991         DBG("network %p name %s", network, name);
 992
 993         g_free(network->name);
 994         network->name = g_strdup(name);
 995
 996         return connman_element_set_string(&network->element, "Name", name);
 997 }
 998
 999 /**
1000  * connman_network_set_strength:
1001  * @network: network structure
1002  * @strength: strength value
1003  *
1004  * Set signal strength value for network
1005  */
1006 int connman_network_set_strength(struct connman_network *network,
1007                                                 connman_uint8_t strength)
1008 {
1009         DBG("network %p strengh %d", network, strength);
1010
1011         network->strength = strength;
1012
1013         return connman_element_set_uint8(&network->element,
1014                                                 "Strength", strength);
1015 }
1016
1017 /**
1018  * connman_network_set_string:
1019  * @network: network structure
1020  * @key: unique identifier
1021  * @value: string value
1022  *
1023  * Set string value for specific key
1024  */
1025 int connman_network_set_string(struct connman_network *network,
1026                                         const char *key, const char *value)
1027 {
1028         DBG("network %p key %s value %s", network, key, value);
1029
1030         if (g_strcmp0(key, "Name") == 0)
1031                 return connman_network_set_name(network, value);
1032
1033         if (g_str_equal(key, "Address") == TRUE) {
1034                 g_free(network->address);
1035                 network->address = g_strdup(value);
1036         } else if (g_str_equal(key, "Node") == TRUE) {
1037                 g_free(network->node);
1038                 network->node = g_strdup(value);
1039         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1040                 g_free(network->wifi.mode);
1041                 network->wifi.mode = g_strdup(value);
1042         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1043                 g_free(network->wifi.security);
1044                 network->wifi.security = g_strdup(value);
1045         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1046                 g_free(network->wifi.passphrase);
1047                 network->wifi.passphrase = g_strdup(value);
1048         }
1049
1050         return connman_element_set_string(&network->element, key, value);
1051 }
1052
1053 /**
1054  * connman_network_get_string:
1055  * @network: network structure
1056  * @key: unique identifier
1057  *
1058  * Get string value for specific key
1059  */
1060 const char *connman_network_get_string(struct connman_network *network,
1061                                                         const char *key)
1062 {
1063         DBG("network %p key %s", network, key);
1064
1065         if (g_str_equal(key, "Address") == TRUE)
1066                 return network->address;
1067         else if (g_str_equal(key, "Name") == TRUE)
1068                 return network->name;
1069         else if (g_str_equal(key, "Node") == TRUE)
1070                 return network->node;
1071         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1072                 return network->wifi.mode;
1073         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1074                 return network->wifi.security;
1075         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1076                 return network->wifi.passphrase;
1077
1078         return connman_element_get_string(&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         network->secondary = connman_device_get_secondary(network->device);
1297
1298         switch (network->type) {
1299         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1300         case CONNMAN_NETWORK_TYPE_VENDOR:
1301         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1302         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1303                 break;
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 && network->secondary == FALSE)
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         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1332         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1333                 break;
1334         case CONNMAN_NETWORK_TYPE_MBM:
1335         case CONNMAN_NETWORK_TYPE_HSO:
1336         case CONNMAN_NETWORK_TYPE_WIFI:
1337         case CONNMAN_NETWORK_TYPE_WIMAX:
1338                 if (network->group != NULL && network->secondary == FALSE) {
1339                         __connman_profile_remove_network(network);
1340
1341                         g_free(network->group);
1342                         network->group = NULL;
1343                 }
1344                 break;
1345         }
1346
1347         unregister_interface(element);
1348
1349         if (network->driver->remove)
1350                 network->driver->remove(network);
1351 }
1352
1353 static void network_change(struct connman_element *element)
1354 {
1355         struct connman_network *network = element->network;
1356
1357         DBG("element %p name %s", element, element->name);
1358
1359         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1360                 return;
1361
1362         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1363                 return;
1364
1365         if (network->connected == FALSE)
1366                 return;
1367
1368         connman_element_unregister_children(element);
1369
1370         connman_device_set_disconnected(network->device, TRUE);
1371
1372         if (network->driver && network->driver->disconnect) {
1373                 network->driver->disconnect(network);
1374                 return;
1375         }
1376
1377         network->connected = FALSE;
1378 }
1379
1380 static struct connman_driver network_driver = {
1381         .name           = "network",
1382         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1383         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1384         .probe          = network_probe,
1385         .remove         = network_remove,
1386         .change         = network_change,
1387 };
1388
1389 int __connman_network_init(void)
1390 {
1391         DBG("");
1392
1393         connection = connman_dbus_get_connection();
1394
1395         return connman_driver_register(&network_driver);
1396 }
1397
1398 void __connman_network_cleanup(void)
1399 {
1400         DBG("");
1401
1402         connman_driver_unregister(&network_driver);
1403
1404         dbus_connection_unref(connection);
1405 }