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 > 0 && 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
 789         connman_network_set_associating(network, FALSE);
 790
 791         return FALSE;
 792 }
 793
 794 /**
 795  * connman_network_set_connected:
 796  * @network: network structure
 797  * @connected: connected state
 798  *
 799  * Change connected state of network
 800  */
 801 int connman_network_set_connected(struct connman_network *network,
 802                                                 connman_bool_t connected)
 803 {
 804         DBusMessage *signal;
 805         DBusMessageIter entry, value;
 806         const char *key = "Connected";
 807
 808         DBG("network %p connected %d", network, connected);
 809
 810         if ((network->connecting == TRUE || network->associating == TRUE) &&
 811                                                         connected == FALSE) {
 812                 connman_element_set_error(&network->element,
 813                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 814                 __connman_network_disconnect(network);
 815         }
 816
 817         if (network->connected == connected)
 818                 return -EALREADY;
 819
 820         network->connected = connected;
 821
 822         if (network->registered == FALSE) {
 823                 g_idle_add(set_connected, network);
 824                 return 0;
 825         }
 826
 827         signal = dbus_message_new_signal(network->element.path,
 828                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 829         if (signal == NULL)
 830                 return 0;
 831
 832         dbus_message_iter_init_append(signal, &entry);
 833
 834         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 835
 836         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 837                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 838         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 839         dbus_message_iter_close_container(&entry, &value);
 840
 841         g_dbus_send_message(connection, signal);
 842
 843         set_connected(network);
 844
 845         return 0;
 846 }
 847
 848 /**
 849  * connman_network_get_connected:
 850  * @network: network structure
 851  *
 852  * Get network connection status
 853  */
 854 connman_bool_t connman_network_get_connected(struct connman_network *network)
 855 {
 856         return network->connected;
 857 }
 858
 859 /**
 860  * connman_network_get_associating:
 861  * @network: network structure
 862  *
 863  * Get network associating status
 864  */
 865 connman_bool_t connman_network_get_associating(struct connman_network *network)
 866 {
 867         return network->associating;
 868 }
 869
 870 /**
 871  * __connman_network_connect:
 872  * @network: network structure
 873  *
 874  * Connect network
 875  */
 876 int __connman_network_connect(struct connman_network *network)
 877 {
 878         int err;
 879
 880         DBG("network %p", network);
 881
 882         if (network->connected == TRUE)
 883                 return -EISCONN;
 884
 885         if (network->connecting == TRUE || network->associating == TRUE)
 886                 return -EALREADY;
 887
 888         if (network->driver == NULL)
 889                 return -EUNATCH;
 890
 891         if (network->driver->connect == NULL)
 892                 return -ENOSYS;
 893
 894         __connman_device_disconnect(network->device);
 895
 896         network->connecting = TRUE;
 897
 898         err = network->driver->connect(network);
 899         if (err < 0) {
 900                 if (err == -EINPROGRESS)
 901                         connman_network_set_associating(network, TRUE);
 902
 903                 return err;
 904         }
 905
 906         network->connected = TRUE;
 907         set_connected(network);
 908
 909         return err;
 910 }
 911
 912 /**
 913  * __connman_network_disconnect:
 914  * @network: network structure
 915  *
 916  * Disconnect network
 917  */
 918 int __connman_network_disconnect(struct connman_network *network)
 919 {
 920         int err;
 921
 922         DBG("network %p", network);
 923
 924         if (network->connected == FALSE && network->connecting == FALSE &&
 925                                                 network->associating == FALSE)
 926                 return -ENOTCONN;
 927
 928         if (network->driver == NULL)
 929                 return -EUNATCH;
 930
 931         if (network->driver->disconnect == NULL)
 932                 return -ENOSYS;
 933
 934         network->connecting = FALSE;
 935
 936         err = network->driver->disconnect(network);
 937         if (err == 0) {
 938                 network->connected = FALSE;
 939                 set_connected(network);
 940         }
 941
 942         return err;
 943 }
 944
 945 /**
 946  * connman_network_set_address:
 947  * @network: network structure
 948  * @address: binary address value
 949  * @size: binary address length
 950  *
 951  * Set unique address value for network
 952  */
 953 int connman_network_set_address(struct connman_network *network,
 954                                 const void *address, unsigned int size)
 955 {
 956         const unsigned char *addr_octet = address;
 957         char *str;
 958
 959         DBG("network %p size %d", network, size);
 960
 961         if (size != 6)
 962                 return -EINVAL;
 963
 964         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 965                                 addr_octet[0], addr_octet[1], addr_octet[2],
 966                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 967         if (str == NULL)
 968                 return -ENOMEM;
 969
 970         g_free(network->address);
 971         network->address = str;
 972
 973         return connman_element_set_string(&network->element,
 974                                                 "Address", network->address);
 975 }
 976
 977 /**
 978  * connman_network_set_name:
 979  * @network: network structure
 980  * @name: name value
 981  *
 982  * Set display name value for network
 983  */
 984 int connman_network_set_name(struct connman_network *network,
 985                                                         const char *name)
 986 {
 987         DBG("network %p name %s", network, name);
 988
 989         g_free(network->name);
 990         network->name = g_strdup(name);
 991
 992         return connman_element_set_string(&network->element, "Name", name);
 993 }
 994
 995 /**
 996  * connman_network_set_strength:
 997  * @network: network structure
 998  * @strength: strength value
 999  *
1000  * Set signal strength value for network
1001  */
1002 int connman_network_set_strength(struct connman_network *network,
1003                                                 connman_uint8_t strength)
1004 {
1005         DBG("network %p strengh %d", network, strength);
1006
1007         network->strength = strength;
1008
1009         return connman_element_set_uint8(&network->element,
1010                                                 "Strength", strength);
1011 }
1012
1013 /**
1014  * connman_network_set_string:
1015  * @network: network structure
1016  * @key: unique identifier
1017  * @value: string value
1018  *
1019  * Set string value for specific key
1020  */
1021 int connman_network_set_string(struct connman_network *network,
1022                                         const char *key, const char *value)
1023 {
1024         DBG("network %p key %s value %s", network, key, value);
1025
1026         if (g_strcmp0(key, "Name") == 0)
1027                 return connman_network_set_name(network, value);
1028
1029         if (g_str_equal(key, "Address") == TRUE) {
1030                 g_free(network->address);
1031                 network->address = g_strdup(value);
1032         } else if (g_str_equal(key, "Node") == TRUE) {
1033                 g_free(network->node);
1034                 network->node = g_strdup(value);
1035         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1036                 g_free(network->wifi.mode);
1037                 network->wifi.mode = g_strdup(value);
1038         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1039                 g_free(network->wifi.security);
1040                 network->wifi.security = g_strdup(value);
1041         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1042                 g_free(network->wifi.passphrase);
1043                 network->wifi.passphrase = g_strdup(value);
1044         }
1045
1046         return connman_element_set_string(&network->element, key, value);
1047 }
1048
1049 /**
1050  * connman_network_get_string:
1051  * @network: network structure
1052  * @key: unique identifier
1053  *
1054  * Get string value for specific key
1055  */
1056 const char *connman_network_get_string(struct connman_network *network,
1057                                                         const char *key)
1058 {
1059         DBG("network %p key %s", network, key);
1060
1061         if (g_str_equal(key, "Address") == TRUE)
1062                 return network->address;
1063         else if (g_str_equal(key, "Name") == TRUE)
1064                 return network->name;
1065         else if (g_str_equal(key, "Node") == TRUE)
1066                 return network->node;
1067         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1068                 return network->wifi.mode;
1069         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1070                 return network->wifi.security;
1071         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1072                 return network->wifi.passphrase;
1073
1074         return connman_element_get_string(&network->element, key);
1075 }
1076
1077 /**
1078  * connman_network_set_uint8:
1079  * @network: network structure
1080  * @key: unique identifier
1081  * @value: integer value
1082  *
1083  * Set integer value for specific key
1084  */
1085 int connman_network_set_uint8(struct connman_network *network,
1086                                         const char *key, connman_uint8_t value)
1087 {
1088         DBG("network %p key %s value %d", network, key, value);
1089
1090         if (g_strcmp0(key, "Strength") == 0)
1091                 return connman_network_set_strength(network, value);
1092
1093         return connman_element_set_uint8(&network->element, key, value);
1094 }
1095
1096 /**
1097  * connman_network_get_uint8:
1098  * @network: network structure
1099  * @key: unique identifier
1100  *
1101  * Get integer value for specific key
1102  */
1103 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1104                                                         const char *key)
1105 {
1106         DBG("network %p key %s", network, key);
1107
1108         if (g_str_equal(key, "Strength") == TRUE)
1109                 return network->strength;
1110
1111         return connman_element_get_uint8(&network->element, key);
1112 }
1113
1114 /**
1115  * connman_network_set_uint16:
1116  * @network: network structure
1117  * @key: unique identifier
1118  * @value: integer value
1119  *
1120  * Set integer value for specific key
1121  */
1122 int connman_network_set_uint16(struct connman_network *network,
1123                                 const char *key, connman_uint16_t value)
1124 {
1125         DBG("network %p key %s value %d", network, key, value);
1126
1127         if (g_str_equal(key, "Frequency") == TRUE)
1128                 network->frequency = value;
1129         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1130                 network->wifi.channel = value;
1131
1132         return -EINVAL;
1133 }
1134
1135 /**
1136  * connman_network_get_uint16:
1137  * @network: network structure
1138  * @key: unique identifier
1139  *
1140  * Get integer value for specific key
1141  */
1142 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1143                                                         const char *key)
1144 {
1145         DBG("network %p key %s", network, key);
1146
1147         if (g_str_equal(key, "Frequency") == TRUE)
1148                 return network->frequency;
1149         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1150                 return network->wifi.channel;
1151
1152         return 0;
1153 }
1154
1155 /**
1156  * connman_network_set_blob:
1157  * @network: network structure
1158  * @key: unique identifier
1159  * @data: blob data
1160  * @size: blob size
1161  *
1162  * Set binary blob value for specific key
1163  */
1164 int connman_network_set_blob(struct connman_network *network,
1165                         const char *key, const void *data, unsigned int size)
1166 {
1167         DBG("network %p key %s size %d", network, key, size);
1168
1169         if (g_strcmp0(key, "Address") == 0)
1170                 return connman_network_set_address(network, data, size);
1171
1172         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1173                 g_free(network->wifi.ssid);
1174                 network->wifi.ssid = g_try_malloc(size);
1175                 if (network->wifi.ssid != NULL) {
1176                         memcpy(network->wifi.ssid, data, size);
1177                         network->wifi.ssid_len = size;
1178                 } else
1179                         network->wifi.ssid_len = 0;
1180         }
1181
1182         return connman_element_set_blob(&network->element, key, data, size);
1183 }
1184
1185 /**
1186  * connman_network_get_blob:
1187  * @network: network structure
1188  * @key: unique identifier
1189  * @size: pointer to blob size
1190  *
1191  * Get binary blob value for specific key
1192  */
1193 const void *connman_network_get_blob(struct connman_network *network,
1194                                         const char *key, unsigned int *size)
1195 {
1196         DBG("network %p key %s", network, key);
1197
1198         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1199                 if (size != NULL)
1200                         *size = network->wifi.ssid_len;
1201                 return network->wifi.ssid;
1202         }
1203
1204         return connman_element_get_blob(&network->element, key, size);
1205 }
1206
1207 void __connman_network_set_device(struct connman_network *network,
1208                                         struct connman_device *device)
1209 {
1210         network->device = device;
1211 }
1212
1213 /**
1214  * connman_network_get_device:
1215  * @network: network structure
1216  *
1217  * Get parent device of network
1218  */
1219 struct connman_device *connman_network_get_device(struct connman_network *network)
1220 {
1221         return network->device;
1222 }
1223
1224 /**
1225  * connman_network_get_data:
1226  * @network: network structure
1227  *
1228  * Get private network data pointer
1229  */
1230 void *connman_network_get_data(struct connman_network *network)
1231 {
1232         return network->driver_data;
1233 }
1234
1235 /**
1236  * connman_network_set_data:
1237  * @network: network structure
1238  * @data: data pointer
1239  *
1240  * Set private network data pointer
1241  */
1242 void connman_network_set_data(struct connman_network *network, void *data)
1243 {
1244         network->driver_data = data;
1245 }
1246
1247 static gboolean match_driver(struct connman_network *network,
1248                                         struct connman_network_driver *driver)
1249 {
1250         if (network->type == driver->type ||
1251                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1252                 return TRUE;
1253
1254         return FALSE;
1255 }
1256
1257 static int network_probe(struct connman_element *element)
1258 {
1259         struct connman_network *network = element->network;
1260         GSList *list;
1261         int err;
1262
1263         DBG("element %p name %s", element, element->name);
1264
1265         if (network == NULL)
1266                 return -ENODEV;
1267
1268         for (list = driver_list; list; list = list->next) {
1269                 struct connman_network_driver *driver = list->data;
1270
1271                 if (match_driver(network, driver) == FALSE)
1272                         continue;
1273
1274                 DBG("driver %p name %s", driver, driver->name);
1275
1276                 if (driver->probe(network) == 0) {
1277                         network->driver = driver;
1278                         break;
1279                 }
1280         }
1281
1282         if (network->driver == NULL)
1283                 return -ENODEV;
1284
1285         err = register_interface(element);
1286         if (err < 0) {
1287                 if (network->driver->remove)
1288                         network->driver->remove(network);
1289                 return err;
1290         }
1291
1292         network->secondary = connman_device_get_secondary(network->device);
1293
1294         switch (network->type) {
1295         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1296         case CONNMAN_NETWORK_TYPE_VENDOR:
1297         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1298         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1299                 break;
1300         case CONNMAN_NETWORK_TYPE_MBM:
1301         case CONNMAN_NETWORK_TYPE_HSO:
1302         case CONNMAN_NETWORK_TYPE_WIFI:
1303         case CONNMAN_NETWORK_TYPE_WIMAX:
1304                 if (network->group != NULL && network->secondary == FALSE)
1305                         __connman_profile_add_network(network);
1306                 break;
1307         }
1308
1309         return 0;
1310 }
1311
1312 static void network_remove(struct connman_element *element)
1313 {
1314         struct connman_network *network = element->network;
1315
1316         DBG("element %p name %s", element, element->name);
1317
1318         if (network == NULL)
1319                 return;
1320
1321         if (network->driver == NULL)
1322                 return;
1323
1324         switch (network->type) {
1325         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1326         case CONNMAN_NETWORK_TYPE_VENDOR:
1327         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1328         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1329                 break;
1330         case CONNMAN_NETWORK_TYPE_MBM:
1331         case CONNMAN_NETWORK_TYPE_HSO:
1332         case CONNMAN_NETWORK_TYPE_WIFI:
1333         case CONNMAN_NETWORK_TYPE_WIMAX:
1334                 if (network->group != NULL && network->secondary == FALSE) {
1335                         __connman_profile_remove_network(network);
1336
1337                         g_free(network->group);
1338                         network->group = NULL;
1339                 }
1340                 break;
1341         }
1342
1343         unregister_interface(element);
1344
1345         if (network->driver->remove)
1346                 network->driver->remove(network);
1347 }
1348
1349 static void network_change(struct connman_element *element)
1350 {
1351         struct connman_network *network = element->network;
1352
1353         DBG("element %p name %s", element, element->name);
1354
1355         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1356                 return;
1357
1358         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1359                 return;
1360
1361         if (network->connected == FALSE)
1362                 return;
1363
1364         connman_element_unregister_children(element);
1365
1366         connman_device_set_disconnected(network->device, TRUE);
1367
1368         if (network->driver && network->driver->disconnect) {
1369                 network->driver->disconnect(network);
1370                 return;
1371         }
1372
1373         network->connected = FALSE;
1374 }
1375
1376 static struct connman_driver network_driver = {
1377         .name           = "network",
1378         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1379         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1380         .probe          = network_probe,
1381         .remove         = network_remove,
1382         .change         = network_change,
1383 };
1384
1385 int __connman_network_init(void)
1386 {
1387         DBG("");
1388
1389         connection = connman_dbus_get_connection();
1390
1391         return connman_driver_register(&network_driver);
1392 }
1393
1394 void __connman_network_cleanup(void)
1395 {
1396         DBG("");
1397
1398         connman_driver_unregister(&network_driver);
1399
1400         dbus_connection_unref(connection);
1401 }