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_bool_t hidden;
  41         connman_uint8_t strength;
  42         connman_uint16_t frequency;
  43         char *identifier;
  44         char *address;
  45         char *name;
  46         char *node;
  47         char *group;
  48         struct connman_ipconfig *ipconfig;
  49
  50         struct connman_network_driver *driver;
  51         void *driver_data;
  52
  53         connman_bool_t registered;
  54         connman_bool_t connecting;
  55         connman_bool_t associating;
  56
  57         struct connman_device *device;
  58
  59         struct {
  60                 void *ssid;
  61                 int ssid_len;
  62                 char *mode;
  63                 unsigned short channel;
  64                 char *security;
  65                 char *passphrase;
  66         } wifi;
  67 };
  68
  69 static const char *type2string(enum connman_network_type type)
  70 {
  71         switch (type) {
  72         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  73         case CONNMAN_NETWORK_TYPE_VENDOR:
  74                 break;
  75         case CONNMAN_NETWORK_TYPE_WIFI:
  76                 return "wifi";
  77         case CONNMAN_NETWORK_TYPE_WIMAX:
  78                 return "wimax";
  79         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  80         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  81                 return "bluetooth";
  82         case CONNMAN_NETWORK_TYPE_MBM:
  83         case CONNMAN_NETWORK_TYPE_HSO:
  84                 return "cellular";
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static DBusMessage *get_properties(DBusConnection *conn,
  91                                         DBusMessage *msg, void *data)
  92 {
  93         struct connman_network *network = data;
  94         DBusMessage *reply;
  95         DBusMessageIter array, dict;
  96
  97         DBG("conn %p", conn);
  98
  99         if (__connman_security_check_privilege(msg,
 100                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 101                 return __connman_error_permission_denied(msg);
 102
 103         reply = dbus_message_new_method_return(msg);
 104         if (reply == NULL)
 105                 return NULL;
 106
 107         dbus_message_iter_init_append(reply, &array);
 108
 109         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 110                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 111                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 112                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 113
 114         if (network->device) {
 115                 const char *path = connman_device_get_path(network->device);
 116                 if (path != NULL)
 117                         connman_dbus_dict_append_variant(&dict, "Device",
 118                                                 DBUS_TYPE_OBJECT_PATH, &path);
 119         }
 120
 121         if (network->address != NULL)
 122                 connman_dbus_dict_append_variant(&dict, "Address",
 123                                         DBUS_TYPE_STRING, &network->address);
 124
 125         if (network->name != NULL)
 126                 connman_dbus_dict_append_variant(&dict, "Name",
 127                                         DBUS_TYPE_STRING, &network->name);
 128
 129         connman_dbus_dict_append_variant(&dict, "Connected",
 130                                 DBUS_TYPE_BOOLEAN, &network->connected);
 131
 132         if (network->strength > 0)
 133                 connman_dbus_dict_append_variant(&dict, "Strength",
 134                                         DBUS_TYPE_BYTE, &network->strength);
 135
 136         if (network->frequency > 0)
 137                 connman_dbus_dict_append_variant(&dict, "Frequency",
 138                                         DBUS_TYPE_UINT16, &network->frequency);
 139
 140         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 141                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 142                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 143                                                 network->wifi.ssid_len);
 144
 145         if (network->wifi.mode != NULL)
 146                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 147                                 DBUS_TYPE_STRING, &network->wifi.mode);
 148
 149         if (network->wifi.channel > 0)
 150                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 151                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 152
 153         if (network->wifi.security != NULL)
 154                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 155                                 DBUS_TYPE_STRING, &network->wifi.security);
 156
 157         if (network->wifi.passphrase != NULL &&
 158                         __connman_security_check_privilege(msg,
 159                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 160                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 161                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 162
 163         dbus_message_iter_close_container(&array, &dict);
 164
 165         return reply;
 166 }
 167
 168 static DBusMessage *set_property(DBusConnection *conn,
 169                                         DBusMessage *msg, void *data)
 170 {
 171         struct connman_network *network = data;
 172         DBusMessageIter iter, value;
 173         const char *name;
 174         int type;
 175
 176         DBG("conn %p", conn);
 177
 178         if (dbus_message_iter_init(msg, &iter) == FALSE)
 179                 return __connman_error_invalid_arguments(msg);
 180
 181         dbus_message_iter_get_basic(&iter, &name);
 182         dbus_message_iter_next(&iter);
 183         dbus_message_iter_recurse(&iter, &value);
 184
 185         if (__connman_security_check_privilege(msg,
 186                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 187                 return __connman_error_permission_denied(msg);
 188
 189         type = dbus_message_iter_get_arg_type(&value);
 190
 191         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 192                 const char *passphrase;
 193
 194                 if (type != DBUS_TYPE_STRING)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 if (__connman_security_check_privilege(msg,
 198                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 199                         return __connman_error_permission_denied(msg);
 200
 201                 dbus_message_iter_get_basic(&value, &passphrase);
 202
 203                 g_free(network->wifi.passphrase);
 204                 network->wifi.passphrase = g_strdup(passphrase);
 205         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 206                 int err;
 207
 208                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 209                                                         name + 5, &value);
 210                 if (err < 0)
 211                         return __connman_error_failed(msg, -err);
 212         } else
 213                 return __connman_error_invalid_property(msg);
 214
 215         __connman_storage_save_network(network);
 216
 217         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 218 }
 219
 220 static DBusMessage *do_connect(DBusConnection *conn,
 221                                         DBusMessage *msg, void *data)
 222 {
 223         struct connman_network *network = data;
 224         int err;
 225
 226         DBG("conn %p", conn);
 227
 228         if (__connman_security_check_privilege(msg,
 229                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 230                 return __connman_error_permission_denied(msg);
 231
 232         if (network->connected == TRUE)
 233                 return __connman_error_failed(msg, EALREADY);
 234
 235         if (network->driver && network->driver->connect) {
 236                 enum connman_device_mode mode;
 237
 238                 mode = connman_device_get_mode(network->device);
 239                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 240                         __connman_device_disconnect(network->device);
 241
 242                 err = network->driver->connect(network);
 243                 if (err < 0 && err != -EINPROGRESS)
 244                         return __connman_error_failed(msg, -err);
 245         } else
 246                 network->connected = TRUE;
 247
 248         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 249 }
 250
 251 static DBusMessage *do_disconnect(DBusConnection *conn,
 252                                         DBusMessage *msg, void *data)
 253 {
 254         struct connman_network *network = data;
 255         int err;
 256
 257         DBG("conn %p", conn);
 258
 259         if (__connman_security_check_privilege(msg,
 260                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 261                 return __connman_error_permission_denied(msg);
 262
 263         if (network->connected == FALSE)
 264                 return __connman_error_failed(msg, EINVAL);
 265
 266         connman_element_unregister_children(&network->element);
 267
 268         connman_device_set_disconnected(network->device, TRUE);
 269
 270         if (network->driver && network->driver->disconnect) {
 271                 err = network->driver->disconnect(network);
 272                 if (err < 0 && err != -EINPROGRESS)
 273                         return __connman_error_failed(msg, -err);
 274         } else
 275                 network->connected = FALSE;
 276
 277         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 278 }
 279
 280 static GDBusMethodTable network_methods[] = {
 281         { "GetProperties", "",   "a{sv}", get_properties },
 282         { "SetProperty",   "sv", "",      set_property   },
 283         { "Connect",       "",   "",      do_connect     },
 284         { "Disconnect",    "",   "",      do_disconnect  },
 285         { },
 286 };
 287
 288 static GDBusSignalTable network_signals[] = {
 289         { "PropertyChanged", "sv" },
 290         { },
 291 };
 292
 293 static DBusConnection *connection;
 294
 295 static void append_networks(struct connman_device *device,
 296                                                 DBusMessageIter *entry)
 297 {
 298         DBusMessageIter value, iter;
 299         const char *key = "Networks";
 300
 301         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 302
 303         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 304                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 305                                                                 &value);
 306
 307         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 308                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 309         __connman_element_list((struct connman_element *) device,
 310                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 311         dbus_message_iter_close_container(&value, &iter);
 312
 313         dbus_message_iter_close_container(entry, &value);
 314 }
 315
 316 static void emit_networks_signal(struct connman_device *device)
 317 {
 318         const char *path = connman_device_get_path(device);
 319         DBusMessage *signal;
 320         DBusMessageIter entry;
 321
 322         signal = dbus_message_new_signal(path,
 323                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 324         if (signal == NULL)
 325                 return;
 326
 327         dbus_message_iter_init_append(signal, &entry);
 328
 329         append_networks(device, &entry);
 330
 331         g_dbus_send_message(connection, signal);
 332 }
 333
 334 static int register_interface(struct connman_element *element)
 335 {
 336         struct connman_network *network = element->network;
 337
 338         DBG("element %p name %s", element, element->name);
 339
 340         if (g_dbus_register_interface(connection, element->path,
 341                                         CONNMAN_NETWORK_INTERFACE,
 342                                         network_methods, network_signals,
 343                                         NULL, network, NULL) == FALSE) {
 344                 connman_error("Failed to register %s network", element->path);
 345                 return -EIO;
 346         }
 347
 348         network->registered = TRUE;
 349
 350         emit_networks_signal(network->device);
 351
 352         return 0;
 353 }
 354
 355 static void unregister_interface(struct connman_element *element)
 356 {
 357         struct connman_network * network = element->network;
 358
 359         DBG("element %p name %s", element, element->name);
 360
 361         network->registered = FALSE;
 362
 363         emit_networks_signal(network->device);
 364
 365         g_dbus_unregister_interface(connection, element->path,
 366                                                 CONNMAN_NETWORK_INTERFACE);
 367 }
 368
 369 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 370 {
 371         if (network == NULL || network->driver == NULL)
 372                 return FALSE;
 373
 374         return network->registered;
 375 }
 376
 377 static GSList *driver_list = NULL;
 378
 379 static gint compare_priority(gconstpointer a, gconstpointer b)
 380 {
 381         const struct connman_network_driver *driver1 = a;
 382         const struct connman_network_driver *driver2 = b;
 383
 384         return driver2->priority - driver1->priority;
 385 }
 386
 387 /**
 388  * connman_network_driver_register:
 389  * @driver: network driver definition
 390  *
 391  * Register a new network driver
 392  *
 393  * Returns: %0 on success
 394  */
 395 int connman_network_driver_register(struct connman_network_driver *driver)
 396 {
 397         DBG("driver %p name %s", driver, driver->name);
 398
 399         driver_list = g_slist_insert_sorted(driver_list, driver,
 400                                                         compare_priority);
 401
 402         return 0;
 403 }
 404
 405 /**
 406  * connman_network_driver_unregister:
 407  * @driver: network driver definition
 408  *
 409  * Remove a previously registered network driver
 410  */
 411 void connman_network_driver_unregister(struct connman_network_driver *driver)
 412 {
 413         DBG("driver %p name %s", driver, driver->name);
 414
 415         driver_list = g_slist_remove(driver_list, driver);
 416 }
 417
 418 static void network_destruct(struct connman_element *element)
 419 {
 420         struct connman_network *network = element->network;
 421
 422         DBG("element %p name %s", element, element->name);
 423
 424         g_free(network->wifi.ssid);
 425         g_free(network->wifi.mode);
 426         g_free(network->wifi.security);
 427         g_free(network->wifi.passphrase);
 428
 429         g_free(network->group);
 430         g_free(network->node);
 431         g_free(network->name);
 432         g_free(network->address);
 433         g_free(network->identifier);
 434
 435         connman_ipconfig_unref(network->ipconfig);
 436 }
 437
 438 /**
 439  * connman_network_create:
 440  * @identifier: network identifier (for example an unqiue name)
 441  *
 442  * Allocate a new network and assign the #identifier to it.
 443  *
 444  * Returns: a newly-allocated #connman_network structure
 445  */
 446 struct connman_network *connman_network_create(const char *identifier,
 447                                                 enum connman_network_type type)
 448 {
 449         struct connman_network *network;
 450         connman_uint8_t strength = 0;
 451         const char *str;
 452         char *temp;
 453
 454         DBG("identifier %s type %d", identifier, type);
 455
 456         network = g_try_new0(struct connman_network, 1);
 457         if (network == NULL)
 458                 return NULL;
 459
 460         DBG("network %p", network);
 461
 462         __connman_element_initialize(&network->element);
 463
 464         //temp = connman_dbus_encode_string(identifier);
 465         if (identifier == NULL) {
 466                 temp = g_strdup("hidden");
 467                 network->hidden = TRUE;
 468         } else
 469                 temp = g_strdup(identifier);
 470
 471         if (temp == NULL) {
 472                 g_free(network);
 473                 return NULL;
 474         }
 475
 476         network->element.name = temp;
 477         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 478
 479         network->element.network = network;
 480         network->element.destruct = network_destruct;
 481
 482         str = type2string(type);
 483         if (str != NULL)
 484                 connman_element_set_string(&network->element, "Type", str);
 485
 486         connman_element_set_uint8(&network->element, "Strength", strength);
 487
 488         network->type       = type;
 489         network->secondary  = FALSE;
 490         network->identifier = g_strdup(temp);
 491
 492         network->ipconfig = connman_ipconfig_create();
 493         if (network->ipconfig == NULL) {
 494                 connman_network_unref(network);
 495                 return NULL;
 496         }
 497
 498         return network;
 499 }
 500
 501 /**
 502  * connman_network_ref:
 503  * @network: network structure
 504  *
 505  * Increase reference counter of  network
 506  */
 507 struct connman_network *connman_network_ref(struct connman_network *network)
 508 {
 509         if (connman_element_ref(&network->element) == NULL)
 510                 return NULL;
 511
 512         return network;
 513 }
 514
 515 /**
 516  * connman_network_unref:
 517  * @network: network structure
 518  *
 519  * Decrease reference counter of network
 520  */
 521 void connman_network_unref(struct connman_network *network)
 522 {
 523         connman_element_unref(&network->element);
 524 }
 525
 526 const char *__connman_network_get_type(struct connman_network *network)
 527 {
 528         return type2string(network->type);
 529 }
 530
 531 /**
 532  * connman_network_get_type:
 533  * @network: network structure
 534  *
 535  * Get type of network
 536  */
 537 enum connman_network_type connman_network_get_type(struct connman_network *network)
 538 {
 539         return network->type;
 540 }
 541
 542 /**
 543  * connman_network_get_identifier:
 544  * @network: network structure
 545  *
 546  * Get identifier of network
 547  */
 548 const char *connman_network_get_identifier(struct connman_network *network)
 549 {
 550         return network->identifier;
 551 }
 552
 553 /**
 554  * connman_network_get_path:
 555  * @network: network structure
 556  *
 557  * Get path name of network
 558  */
 559 const char *connman_network_get_path(struct connman_network *network)
 560 {
 561         return network->element.path;
 562 }
 563
 564 /**
 565  * connman_network_set_index:
 566  * @network: network structure
 567  * @index: index number
 568  *
 569  * Set index number of network
 570  */
 571 void connman_network_set_index(struct connman_network *network, int index)
 572 {
 573         network->element.index = index;
 574 }
 575
 576 /**
 577  * connman_network_get_index:
 578  * @network: network structure
 579  *
 580  * Get index number of network
 581  */
 582 int connman_network_get_index(struct connman_network *network)
 583 {
 584         return network->element.index;
 585 }
 586
 587 /**
 588  * connman_network_set_protocol:
 589  * @network: network structure
 590  * @protocol: network protocol
 591  *
 592  * Change protocol of network
 593  */
 594 void connman_network_set_protocol(struct connman_network *network,
 595                                         enum connman_network_protocol protocol)
 596 {
 597         network->protocol = protocol;
 598 }
 599
 600 /**
 601  * connman_network_set_group:
 602  * @network: network structure
 603  * @group: group name
 604  *
 605  * Set group name for automatic clustering
 606  */
 607 void connman_network_set_group(struct connman_network *network,
 608                                                         const char *group)
 609 {
 610         if (network->secondary == TRUE)
 611                 return;
 612
 613         if (g_strcmp0(network->group, group) == 0)
 614                 return;
 615
 616         switch (network->type) {
 617         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 618         case CONNMAN_NETWORK_TYPE_VENDOR:
 619         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 620         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 621                 return;
 622         case CONNMAN_NETWORK_TYPE_MBM:
 623         case CONNMAN_NETWORK_TYPE_HSO:
 624         case CONNMAN_NETWORK_TYPE_WIFI:
 625         case CONNMAN_NETWORK_TYPE_WIMAX:
 626                 break;
 627         }
 628
 629         if (network->group != NULL) {
 630                 __connman_profile_remove_network(network);
 631
 632                 g_free(network->group);
 633         }
 634
 635         network->group = g_strdup(group);
 636
 637         if (network->group != NULL)
 638                 __connman_profile_add_network(network);
 639 }
 640
 641 /**
 642  * connman_network_get_group:
 643  * @network: network structure
 644  *
 645  * Get group name for automatic clustering
 646  */
 647 const char *connman_network_get_group(struct connman_network *network)
 648 {
 649         return network->group;
 650 }
 651
 652 const char *__connman_network_get_ident(struct connman_network *network)
 653 {
 654         if (network->device == NULL)
 655                 return NULL;
 656
 657         return __connman_device_get_ident(network->device);
 658 }
 659
 660 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 661 {
 662         if (network->secondary == TRUE)
 663                 return FALSE;
 664
 665         switch (network->type) {
 666         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 667         case CONNMAN_NETWORK_TYPE_VENDOR:
 668         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 669         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 670         case CONNMAN_NETWORK_TYPE_MBM:
 671         case CONNMAN_NETWORK_TYPE_HSO:
 672         case CONNMAN_NETWORK_TYPE_WIMAX:
 673                 break;
 674         case CONNMAN_NETWORK_TYPE_WIFI:
 675                 if (network->strength > 0 && network->strength < 20)
 676                         return TRUE;
 677                 break;
 678         }
 679
 680         return FALSE;
 681 }
 682
 683 /**
 684  * connman_network_set_available:
 685  * @network: network structure
 686  * @available: availability state
 687  *
 688  * Change availability state of network (in range)
 689  */
 690 int connman_network_set_available(struct connman_network *network,
 691                                                 connman_bool_t available)
 692 {
 693         DBG("network %p available %d", network, available);
 694
 695         if (network->available == available)
 696                 return -EALREADY;
 697
 698         network->available = available;
 699
 700         return 0;
 701 }
 702
 703 /**
 704  * connman_network_get_available:
 705  * @network: network structure
 706  *
 707  * Get network available setting
 708  */
 709 connman_bool_t connman_network_get_available(struct connman_network *network)
 710 {
 711         if (network->hidden == TRUE)
 712                 return TRUE;
 713
 714         return network->available;
 715 }
 716
 717 /**
 718  * connman_network_set_associating:
 719  * @network: network structure
 720  * @associating: associating state
 721  *
 722  * Change associating state of network
 723  */
 724 int connman_network_set_associating(struct connman_network *network,
 725                                                 connman_bool_t associating)
 726 {
 727         DBG("network %p associating %d", network, associating);
 728
 729         if (network->associating == associating)
 730                 return -EALREADY;
 731
 732         network->associating = associating;
 733
 734         if (associating == TRUE) {
 735                 struct connman_service *service;
 736
 737                 service = __connman_service_lookup_from_network(network);
 738                 __connman_service_indicate_state(service,
 739                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 740         }
 741
 742         return 0;
 743 }
 744
 745 static gboolean set_connected(gpointer user_data)
 746 {
 747         struct connman_network *network = user_data;
 748         struct connman_service *service;
 749
 750         service = __connman_service_lookup_from_network(network);
 751
 752         if (network->connected == TRUE) {
 753                 struct connman_element *element;
 754                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 755
 756                 switch (network->protocol) {
 757                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 758                         return 0;
 759                 case CONNMAN_NETWORK_PROTOCOL_IP:
 760                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 761                         break;
 762                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 763                         type = CONNMAN_ELEMENT_TYPE_PPP;
 764                         break;
 765                 }
 766
 767                 __connman_device_increase_connections(network->device);
 768
 769                 __connman_device_set_network(network->device, network);
 770
 771                 connman_device_set_disconnected(network->device, FALSE);
 772
 773                 element = connman_element_create(NULL);
 774                 if (element != NULL) {
 775                         element->type  = type;
 776                         element->index = network->element.index;
 777
 778                         if (connman_element_register(element,
 779                                                 &network->element) < 0)
 780                                 connman_element_unref(element);
 781
 782                         __connman_service_indicate_state(service,
 783                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 784                 }
 785         } else {
 786                 connman_element_unregister_children(&network->element);
 787
 788                 __connman_device_set_network(network->device, NULL);
 789                 network->hidden = FALSE;
 790
 791                 __connman_device_decrease_connections(network->device);
 792
 793                 __connman_service_indicate_state(service,
 794                                                 CONNMAN_SERVICE_STATE_IDLE);
 795         }
 796
 797         network->connecting = FALSE;
 798
 799         connman_network_set_associating(network, FALSE);
 800
 801         return FALSE;
 802 }
 803
 804 /**
 805  * connman_network_set_connected:
 806  * @network: network structure
 807  * @connected: connected state
 808  *
 809  * Change connected state of network
 810  */
 811 int connman_network_set_connected(struct connman_network *network,
 812                                                 connman_bool_t connected)
 813 {
 814         DBusMessage *signal;
 815         DBusMessageIter entry, value;
 816         const char *key = "Connected";
 817
 818         DBG("network %p connected %d", network, connected);
 819
 820         if ((network->connecting == TRUE || network->associating == TRUE) &&
 821                                                         connected == FALSE) {
 822                 connman_element_set_error(&network->element,
 823                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 824                 __connman_network_disconnect(network);
 825         }
 826
 827         if (network->connected == connected)
 828                 return -EALREADY;
 829
 830         network->connected = connected;
 831
 832         if (network->registered == FALSE) {
 833                 g_idle_add(set_connected, network);
 834                 return 0;
 835         }
 836
 837         signal = dbus_message_new_signal(network->element.path,
 838                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 839         if (signal == NULL)
 840                 return 0;
 841
 842         dbus_message_iter_init_append(signal, &entry);
 843
 844         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 845
 846         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 847                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 848         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 849         dbus_message_iter_close_container(&entry, &value);
 850
 851         g_dbus_send_message(connection, signal);
 852
 853         set_connected(network);
 854
 855         return 0;
 856 }
 857
 858 /**
 859  * connman_network_get_connected:
 860  * @network: network structure
 861  *
 862  * Get network connection status
 863  */
 864 connman_bool_t connman_network_get_connected(struct connman_network *network)
 865 {
 866         return network->connected;
 867 }
 868
 869 /**
 870  * connman_network_get_associating:
 871  * @network: network structure
 872  *
 873  * Get network associating status
 874  */
 875 connman_bool_t connman_network_get_associating(struct connman_network *network)
 876 {
 877         return network->associating;
 878 }
 879
 880 /**
 881  * __connman_network_connect:
 882  * @network: network structure
 883  *
 884  * Connect network
 885  */
 886 int __connman_network_connect(struct connman_network *network)
 887 {
 888         int err;
 889
 890         DBG("network %p", network);
 891
 892         if (network->connected == TRUE)
 893                 return -EISCONN;
 894
 895         if (network->connecting == TRUE || network->associating == TRUE)
 896                 return -EALREADY;
 897
 898         if (network->driver == NULL)
 899                 return -EUNATCH;
 900
 901         if (network->driver->connect == NULL)
 902                 return -ENOSYS;
 903
 904         __connman_device_disconnect(network->device);
 905
 906         network->connecting = TRUE;
 907
 908         err = network->driver->connect(network);
 909         if (err < 0) {
 910                 if (err == -EINPROGRESS)
 911                         connman_network_set_associating(network, TRUE);
 912                 else
 913                         network->hidden = FALSE;
 914
 915                 return err;
 916         }
 917
 918         network->connected = TRUE;
 919         set_connected(network);
 920
 921         return err;
 922 }
 923
 924 /**
 925  * __connman_network_disconnect:
 926  * @network: network structure
 927  *
 928  * Disconnect network
 929  */
 930 int __connman_network_disconnect(struct connman_network *network)
 931 {
 932         int err;
 933
 934         DBG("network %p", network);
 935
 936         if (network->connected == FALSE && network->connecting == FALSE &&
 937                                                 network->associating == FALSE)
 938                 return -ENOTCONN;
 939
 940         if (network->driver == NULL)
 941                 return -EUNATCH;
 942
 943         if (network->driver->disconnect == NULL)
 944                 return -ENOSYS;
 945
 946         network->connecting = FALSE;
 947
 948         err = network->driver->disconnect(network);
 949         if (err == 0) {
 950                 network->connected = FALSE;
 951                 set_connected(network);
 952         }
 953
 954         return err;
 955 }
 956
 957 /**
 958  * connman_network_set_address:
 959  * @network: network structure
 960  * @address: binary address value
 961  * @size: binary address length
 962  *
 963  * Set unique address value for network
 964  */
 965 int connman_network_set_address(struct connman_network *network,
 966                                 const void *address, unsigned int size)
 967 {
 968         const unsigned char *addr_octet = address;
 969         char *str;
 970
 971         DBG("network %p size %d", network, size);
 972
 973         if (size != 6)
 974                 return -EINVAL;
 975
 976         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 977                                 addr_octet[0], addr_octet[1], addr_octet[2],
 978                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 979         if (str == NULL)
 980                 return -ENOMEM;
 981
 982         g_free(network->address);
 983         network->address = str;
 984
 985         return connman_element_set_string(&network->element,
 986                                                 "Address", network->address);
 987 }
 988
 989 /**
 990  * connman_network_set_name:
 991  * @network: network structure
 992  * @name: name value
 993  *
 994  * Set display name value for network
 995  */
 996 int connman_network_set_name(struct connman_network *network,
 997                                                         const char *name)
 998 {
 999         DBG("network %p name %s", network, name);
1000
1001         g_free(network->name);
1002         network->name = g_strdup(name);
1003
1004         return connman_element_set_string(&network->element, "Name", name);
1005 }
1006
1007 /**
1008  * connman_network_set_strength:
1009  * @network: network structure
1010  * @strength: strength value
1011  *
1012  * Set signal strength value for network
1013  */
1014 int connman_network_set_strength(struct connman_network *network,
1015                                                 connman_uint8_t strength)
1016 {
1017         DBG("network %p strengh %d", network, strength);
1018
1019         network->strength = strength;
1020
1021         return connman_element_set_uint8(&network->element,
1022                                                 "Strength", strength);
1023 }
1024
1025 /**
1026  * connman_network_set_string:
1027  * @network: network structure
1028  * @key: unique identifier
1029  * @value: string value
1030  *
1031  * Set string value for specific key
1032  */
1033 int connman_network_set_string(struct connman_network *network,
1034                                         const char *key, const char *value)
1035 {
1036         DBG("network %p key %s value %s", network, key, value);
1037
1038         if (g_strcmp0(key, "Name") == 0)
1039                 return connman_network_set_name(network, value);
1040
1041         if (g_str_equal(key, "Address") == TRUE) {
1042                 g_free(network->address);
1043                 network->address = g_strdup(value);
1044         } else if (g_str_equal(key, "Node") == TRUE) {
1045                 g_free(network->node);
1046                 network->node = g_strdup(value);
1047         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1048                 g_free(network->wifi.mode);
1049                 network->wifi.mode = g_strdup(value);
1050         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1051                 g_free(network->wifi.security);
1052                 network->wifi.security = g_strdup(value);
1053         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1054                 g_free(network->wifi.passphrase);
1055                 network->wifi.passphrase = g_strdup(value);
1056         }
1057
1058         return connman_element_set_string(&network->element, key, value);
1059 }
1060
1061 /**
1062  * connman_network_get_string:
1063  * @network: network structure
1064  * @key: unique identifier
1065  *
1066  * Get string value for specific key
1067  */
1068 const char *connman_network_get_string(struct connman_network *network,
1069                                                         const char *key)
1070 {
1071         DBG("network %p key %s", network, key);
1072
1073         if (g_str_equal(key, "Address") == TRUE)
1074                 return network->address;
1075         else if (g_str_equal(key, "Name") == TRUE)
1076                 return network->name;
1077         else if (g_str_equal(key, "Node") == TRUE)
1078                 return network->node;
1079         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1080                 return network->wifi.mode;
1081         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1082                 return network->wifi.security;
1083         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1084                 return network->wifi.passphrase;
1085
1086         return connman_element_get_string(&network->element, key);
1087 }
1088
1089 /**
1090  * connman_network_set_uint8:
1091  * @network: network structure
1092  * @key: unique identifier
1093  * @value: integer value
1094  *
1095  * Set integer value for specific key
1096  */
1097 int connman_network_set_uint8(struct connman_network *network,
1098                                         const char *key, connman_uint8_t value)
1099 {
1100         DBG("network %p key %s value %d", network, key, value);
1101
1102         if (g_strcmp0(key, "Strength") == 0)
1103                 return connman_network_set_strength(network, value);
1104
1105         return connman_element_set_uint8(&network->element, key, value);
1106 }
1107
1108 /**
1109  * connman_network_get_uint8:
1110  * @network: network structure
1111  * @key: unique identifier
1112  *
1113  * Get integer value for specific key
1114  */
1115 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1116                                                         const char *key)
1117 {
1118         DBG("network %p key %s", network, key);
1119
1120         if (g_str_equal(key, "Strength") == TRUE)
1121                 return network->strength;
1122
1123         return connman_element_get_uint8(&network->element, key);
1124 }
1125
1126 /**
1127  * connman_network_set_uint16:
1128  * @network: network structure
1129  * @key: unique identifier
1130  * @value: integer value
1131  *
1132  * Set integer value for specific key
1133  */
1134 int connman_network_set_uint16(struct connman_network *network,
1135                                 const char *key, connman_uint16_t value)
1136 {
1137         DBG("network %p key %s value %d", network, key, value);
1138
1139         if (g_str_equal(key, "Frequency") == TRUE)
1140                 network->frequency = value;
1141         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1142                 network->wifi.channel = value;
1143
1144         return -EINVAL;
1145 }
1146
1147 /**
1148  * connman_network_get_uint16:
1149  * @network: network structure
1150  * @key: unique identifier
1151  *
1152  * Get integer value for specific key
1153  */
1154 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1155                                                         const char *key)
1156 {
1157         DBG("network %p key %s", network, key);
1158
1159         if (g_str_equal(key, "Frequency") == TRUE)
1160                 return network->frequency;
1161         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1162                 return network->wifi.channel;
1163
1164         return 0;
1165 }
1166
1167 /**
1168  * connman_network_set_blob:
1169  * @network: network structure
1170  * @key: unique identifier
1171  * @data: blob data
1172  * @size: blob size
1173  *
1174  * Set binary blob value for specific key
1175  */
1176 int connman_network_set_blob(struct connman_network *network,
1177                         const char *key, const void *data, unsigned int size)
1178 {
1179         DBG("network %p key %s size %d", network, key, size);
1180
1181         if (g_strcmp0(key, "Address") == 0)
1182                 return connman_network_set_address(network, data, size);
1183
1184         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1185                 g_free(network->wifi.ssid);
1186                 network->wifi.ssid = g_try_malloc(size);
1187                 if (network->wifi.ssid != NULL) {
1188                         memcpy(network->wifi.ssid, data, size);
1189                         network->wifi.ssid_len = size;
1190                 } else
1191                         network->wifi.ssid_len = 0;
1192         }
1193
1194         return connman_element_set_blob(&network->element, key, data, size);
1195 }
1196
1197 /**
1198  * connman_network_get_blob:
1199  * @network: network structure
1200  * @key: unique identifier
1201  * @size: pointer to blob size
1202  *
1203  * Get binary blob value for specific key
1204  */
1205 const void *connman_network_get_blob(struct connman_network *network,
1206                                         const char *key, unsigned int *size)
1207 {
1208         DBG("network %p key %s", network, key);
1209
1210         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1211                 if (size != NULL)
1212                         *size = network->wifi.ssid_len;
1213                 return network->wifi.ssid;
1214         }
1215
1216         return connman_element_get_blob(&network->element, key, size);
1217 }
1218
1219 void __connman_network_set_device(struct connman_network *network,
1220                                         struct connman_device *device)
1221 {
1222         network->device = device;
1223 }
1224
1225 /**
1226  * connman_network_get_device:
1227  * @network: network structure
1228  *
1229  * Get parent device of network
1230  */
1231 struct connman_device *connman_network_get_device(struct connman_network *network)
1232 {
1233         return network->device;
1234 }
1235
1236 /**
1237  * connman_network_get_data:
1238  * @network: network structure
1239  *
1240  * Get private network data pointer
1241  */
1242 void *connman_network_get_data(struct connman_network *network)
1243 {
1244         return network->driver_data;
1245 }
1246
1247 /**
1248  * connman_network_set_data:
1249  * @network: network structure
1250  * @data: data pointer
1251  *
1252  * Set private network data pointer
1253  */
1254 void connman_network_set_data(struct connman_network *network, void *data)
1255 {
1256         network->driver_data = data;
1257 }
1258
1259 static gboolean match_driver(struct connman_network *network,
1260                                         struct connman_network_driver *driver)
1261 {
1262         if (network->type == driver->type ||
1263                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1264                 return TRUE;
1265
1266         return FALSE;
1267 }
1268
1269 static int network_probe(struct connman_element *element)
1270 {
1271         struct connman_network *network = element->network;
1272         GSList *list;
1273         int err;
1274
1275         DBG("element %p name %s", element, element->name);
1276
1277         if (network == NULL)
1278                 return -ENODEV;
1279
1280         for (list = driver_list; list; list = list->next) {
1281                 struct connman_network_driver *driver = list->data;
1282
1283                 if (match_driver(network, driver) == FALSE)
1284                         continue;
1285
1286                 DBG("driver %p name %s", driver, driver->name);
1287
1288                 if (driver->probe(network) == 0) {
1289                         network->driver = driver;
1290                         break;
1291                 }
1292         }
1293
1294         if (network->driver == NULL)
1295                 return -ENODEV;
1296
1297         err = register_interface(element);
1298         if (err < 0) {
1299                 if (network->driver->remove)
1300                         network->driver->remove(network);
1301                 return err;
1302         }
1303
1304         network->secondary = connman_device_get_secondary(network->device);
1305
1306         switch (network->type) {
1307         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1308         case CONNMAN_NETWORK_TYPE_VENDOR:
1309         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1310         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1311                 break;
1312         case CONNMAN_NETWORK_TYPE_MBM:
1313         case CONNMAN_NETWORK_TYPE_HSO:
1314         case CONNMAN_NETWORK_TYPE_WIFI:
1315         case CONNMAN_NETWORK_TYPE_WIMAX:
1316                 if (network->group != NULL && network->secondary == FALSE)
1317                         __connman_profile_add_network(network);
1318                 break;
1319         }
1320
1321         return 0;
1322 }
1323
1324 static void network_remove(struct connman_element *element)
1325 {
1326         struct connman_network *network = element->network;
1327
1328         DBG("element %p name %s", element, element->name);
1329
1330         if (network == NULL)
1331                 return;
1332
1333         if (network->driver == NULL)
1334                 return;
1335
1336         switch (network->type) {
1337         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1338         case CONNMAN_NETWORK_TYPE_VENDOR:
1339         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1340         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1341                 break;
1342         case CONNMAN_NETWORK_TYPE_MBM:
1343         case CONNMAN_NETWORK_TYPE_HSO:
1344         case CONNMAN_NETWORK_TYPE_WIFI:
1345         case CONNMAN_NETWORK_TYPE_WIMAX:
1346                 if (network->group != NULL && network->secondary == FALSE) {
1347                         __connman_profile_remove_network(network);
1348
1349                         g_free(network->group);
1350                         network->group = NULL;
1351                 }
1352                 break;
1353         }
1354
1355         unregister_interface(element);
1356
1357         if (network->driver->remove)
1358                 network->driver->remove(network);
1359 }
1360
1361 static void network_change(struct connman_element *element)
1362 {
1363         struct connman_network *network = element->network;
1364
1365         DBG("element %p name %s", element, element->name);
1366
1367         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1368                 return;
1369
1370         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1371                 return;
1372
1373         if (network->connected == FALSE)
1374                 return;
1375
1376         connman_element_unregister_children(element);
1377
1378         connman_device_set_disconnected(network->device, TRUE);
1379
1380         if (network->driver && network->driver->disconnect) {
1381                 network->driver->disconnect(network);
1382                 return;
1383         }
1384
1385         network->connected = FALSE;
1386 }
1387
1388 static struct connman_driver network_driver = {
1389         .name           = "network",
1390         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1391         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1392         .probe          = network_probe,
1393         .remove         = network_remove,
1394         .change         = network_change,
1395 };
1396
1397 int __connman_network_init(void)
1398 {
1399         DBG("");
1400
1401         connection = connman_dbus_get_connection();
1402
1403         return connman_driver_register(&network_driver);
1404 }
1405
1406 void __connman_network_cleanup(void)
1407 {
1408         DBG("");
1409
1410         connman_driver_unregister(&network_driver);
1411
1412         dbus_connection_unref(connection);
1413 }