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 /**
 655  * connman_network_set_available:
 656  * @network: network structure
 657  * @available: availability state
 658  *
 659  * Change availability state of network (in range)
 660  */
 661 int connman_network_set_available(struct connman_network *network,
 662                                                 connman_bool_t available)
 663 {
 664         DBG("network %p available %d", network, available);
 665
 666         if (network->available == available)
 667                 return -EALREADY;
 668
 669         network->available = available;
 670
 671         return 0;
 672 }
 673
 674 /**
 675  * connman_network_get_available:
 676  * @network: network structure
 677  *
 678  * Get network available setting
 679  */
 680 connman_bool_t connman_network_get_available(struct connman_network *network)
 681 {
 682         return network->available;
 683 }
 684
 685 /**
 686  * connman_network_set_associating:
 687  * @network: network structure
 688  * @associating: associating state
 689  *
 690  * Change associating state of network
 691  */
 692 int connman_network_set_associating(struct connman_network *network,
 693                                                 connman_bool_t associating)
 694 {
 695         DBG("network %p associating %d", network, associating);
 696
 697         if (network->associating == associating)
 698                 return -EALREADY;
 699
 700         network->associating = associating;
 701
 702         if (associating == TRUE) {
 703                 struct connman_service *service;
 704
 705                 service = __connman_service_lookup_from_network(network);
 706                 __connman_service_indicate_state(service,
 707                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 708         }
 709
 710         return 0;
 711 }
 712
 713 static gboolean set_connected(gpointer user_data)
 714 {
 715         struct connman_network *network = user_data;
 716         struct connman_service *service;
 717
 718         service = __connman_service_lookup_from_network(network);
 719
 720         if (network->connected == TRUE) {
 721                 struct connman_element *element;
 722                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 723
 724                 switch (network->protocol) {
 725                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 726                         return 0;
 727                 case CONNMAN_NETWORK_PROTOCOL_IP:
 728                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 729                         break;
 730                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 731                         type = CONNMAN_ELEMENT_TYPE_PPP;
 732                         break;
 733                 }
 734
 735                 __connman_device_increase_connections(network->device);
 736
 737                 __connman_device_set_network(network->device, network);
 738
 739                 connman_device_set_disconnected(network->device, FALSE);
 740
 741                 element = connman_element_create(NULL);
 742                 if (element != NULL) {
 743                         element->type  = type;
 744                         element->index = network->element.index;
 745
 746                         if (connman_element_register(element,
 747                                                 &network->element) < 0)
 748                                 connman_element_unref(element);
 749
 750                         __connman_service_indicate_state(service,
 751                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 752                 }
 753         } else {
 754                 connman_element_unregister_children(&network->element);
 755
 756                 __connman_device_set_network(network->device, NULL);
 757
 758                 __connman_device_decrease_connections(network->device);
 759
 760                 __connman_service_indicate_state(service,
 761                                                 CONNMAN_SERVICE_STATE_IDLE);
 762         }
 763
 764         network->connecting = FALSE;
 765         network->associating = FALSE;
 766
 767         return FALSE;
 768 }
 769
 770 /**
 771  * connman_network_set_connected:
 772  * @network: network structure
 773  * @connected: connected state
 774  *
 775  * Change connected state of network
 776  */
 777 int connman_network_set_connected(struct connman_network *network,
 778                                                 connman_bool_t connected)
 779 {
 780         DBusMessage *signal;
 781         DBusMessageIter entry, value;
 782         const char *key = "Connected";
 783
 784         DBG("network %p connected %d", network, connected);
 785
 786         if ((network->connecting || network->associating == TRUE) &&
 787                                                         connected == FALSE) {
 788                 connman_element_set_error(&network->element,
 789                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 790                 __connman_network_disconnect(network);
 791         }
 792
 793         if (connected == TRUE) {
 794                 network->connecting = FALSE;
 795                 network->associating = FALSE;
 796         }
 797
 798         if (network->connected == connected)
 799                 return -EALREADY;
 800
 801         network->connected = connected;
 802
 803         if (network->registered == FALSE) {
 804                 g_idle_add(set_connected, network);
 805                 return 0;
 806         }
 807
 808         signal = dbus_message_new_signal(network->element.path,
 809                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 810         if (signal == NULL)
 811                 return 0;
 812
 813         dbus_message_iter_init_append(signal, &entry);
 814
 815         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 816
 817         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 818                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 819         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 820         dbus_message_iter_close_container(&entry, &value);
 821
 822         g_dbus_send_message(connection, signal);
 823
 824         set_connected(network);
 825
 826         return 0;
 827 }
 828
 829 /**
 830  * connman_network_get_connected:
 831  * @network: network structure
 832  *
 833  * Get network connection status
 834  */
 835 connman_bool_t connman_network_get_connected(struct connman_network *network)
 836 {
 837         return network->connected;
 838 }
 839
 840 /**
 841  * connman_network_get_associating:
 842  * @network: network structure
 843  *
 844  * Get network associating status
 845  */
 846 connman_bool_t connman_network_get_associating(struct connman_network *network)
 847 {
 848         return network->associating;
 849 }
 850
 851 /**
 852  * __connman_network_connect:
 853  * @network: network structure
 854  *
 855  * Connect network
 856  */
 857 int __connman_network_connect(struct connman_network *network)
 858 {
 859         int err;
 860
 861         DBG("network %p", network);
 862
 863         if (network->connected == TRUE)
 864                 return -EISCONN;
 865
 866         if (network->connecting == TRUE || network->associating == TRUE)
 867                 return -EALREADY;
 868
 869         if (network->driver == NULL)
 870                 return -EUNATCH;
 871
 872         if (network->driver->connect == NULL)
 873                 return -ENOSYS;
 874
 875         __connman_device_disconnect(network->device);
 876
 877         network->connecting = TRUE;
 878
 879         err = network->driver->connect(network);
 880         if (err < 0) {
 881                 if (err == -EINPROGRESS)
 882                         connman_network_set_associating(network, TRUE);
 883
 884                 return err;
 885         }
 886
 887         network->connected = TRUE;
 888         set_connected(network);
 889
 890         return err;
 891 }
 892
 893 /**
 894  * __connman_network_disconnect:
 895  * @network: network structure
 896  *
 897  * Disconnect network
 898  */
 899 int __connman_network_disconnect(struct connman_network *network)
 900 {
 901         int err;
 902
 903         DBG("network %p", network);
 904
 905         if (network->connected == FALSE && network->connecting == FALSE &&
 906                                                 network->associating == FALSE)
 907                 return -ENOTCONN;
 908
 909         if (network->driver == NULL)
 910                 return -EUNATCH;
 911
 912         if (network->driver->disconnect == NULL)
 913                 return -ENOSYS;
 914
 915         network->connecting = FALSE;
 916
 917         err = network->driver->disconnect(network);
 918         if (err == 0) {
 919                 network->connected = FALSE;
 920                 set_connected(network);
 921         }
 922
 923         return err;
 924 }
 925
 926 /**
 927  * connman_network_set_address:
 928  * @network: network structure
 929  * @address: binary address value
 930  * @size: binary address length
 931  *
 932  * Set unique address value for network
 933  */
 934 int connman_network_set_address(struct connman_network *network,
 935                                 const void *address, unsigned int size)
 936 {
 937         const unsigned char *addr_octet = address;
 938         char *str;
 939
 940         DBG("network %p size %d", network, size);
 941
 942         if (size != 6)
 943                 return -EINVAL;
 944
 945         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 946                                 addr_octet[0], addr_octet[1], addr_octet[2],
 947                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 948         if (str == NULL)
 949                 return -ENOMEM;
 950
 951         g_free(network->address);
 952         network->address = str;
 953
 954         return connman_element_set_string(&network->element,
 955                                                 "Address", network->address);
 956 }
 957
 958 /**
 959  * connman_network_set_name:
 960  * @network: network structure
 961  * @name: name value
 962  *
 963  * Set display name value for network
 964  */
 965 int connman_network_set_name(struct connman_network *network,
 966                                                         const char *name)
 967 {
 968         DBG("network %p name %s", network, name);
 969
 970         g_free(network->name);
 971         network->name = g_strdup(name);
 972
 973         return connman_element_set_string(&network->element, "Name", name);
 974 }
 975
 976 /**
 977  * connman_network_set_strength:
 978  * @network: network structure
 979  * @strength: strength value
 980  *
 981  * Set signal strength value for network
 982  */
 983 int connman_network_set_strength(struct connman_network *network,
 984                                                 connman_uint8_t strength)
 985 {
 986         DBG("network %p strengh %d", network, strength);
 987
 988         network->strength = strength;
 989
 990         return connman_element_set_uint8(&network->element,
 991                                                 "Strength", strength);
 992 }
 993
 994 /**
 995  * connman_network_set_string:
 996  * @network: network structure
 997  * @key: unique identifier
 998  * @value: string value
 999  *
1000  * Set string value for specific key
1001  */
1002 int connman_network_set_string(struct connman_network *network,
1003                                         const char *key, const char *value)
1004 {
1005         DBG("network %p key %s value %s", network, key, value);
1006
1007         if (g_strcmp0(key, "Name") == 0)
1008                 return connman_network_set_name(network, value);
1009
1010         if (g_str_equal(key, "Address") == TRUE) {
1011                 g_free(network->address);
1012                 network->address = g_strdup(value);
1013         } else if (g_str_equal(key, "Node") == TRUE) {
1014                 g_free(network->node);
1015                 network->node = g_strdup(value);
1016         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1017                 g_free(network->wifi.mode);
1018                 network->wifi.mode = g_strdup(value);
1019         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1020                 g_free(network->wifi.security);
1021                 network->wifi.security = g_strdup(value);
1022         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1023                 g_free(network->wifi.passphrase);
1024                 network->wifi.passphrase = g_strdup(value);
1025         }
1026
1027         return connman_element_set_string(&network->element, key, value);
1028 }
1029
1030 /**
1031  * connman_network_get_string:
1032  * @network: network structure
1033  * @key: unique identifier
1034  *
1035  * Get string value for specific key
1036  */
1037 const char *connman_network_get_string(struct connman_network *network,
1038                                                         const char *key)
1039 {
1040         DBG("network %p key %s", network, key);
1041
1042         if (g_str_equal(key, "Address") == TRUE)
1043                 return network->address;
1044         else if (g_str_equal(key, "Name") == TRUE)
1045                 return network->name;
1046         else if (g_str_equal(key, "Node") == TRUE)
1047                 return network->node;
1048         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1049                 return network->wifi.mode;
1050         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1051                 return network->wifi.security;
1052         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1053                 return network->wifi.passphrase;
1054
1055         return connman_element_get_string(&network->element, key);
1056 }
1057
1058 /**
1059  * connman_network_set_uint8:
1060  * @network: network structure
1061  * @key: unique identifier
1062  * @value: integer value
1063  *
1064  * Set integer value for specific key
1065  */
1066 int connman_network_set_uint8(struct connman_network *network,
1067                                         const char *key, connman_uint8_t value)
1068 {
1069         DBG("network %p key %s value %d", network, key, value);
1070
1071         if (g_strcmp0(key, "Strength") == 0)
1072                 return connman_network_set_strength(network, value);
1073
1074         return connman_element_set_uint8(&network->element, key, value);
1075 }
1076
1077 /**
1078  * connman_network_get_uint8:
1079  * @network: network structure
1080  * @key: unique identifier
1081  *
1082  * Get integer value for specific key
1083  */
1084 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1085                                                         const char *key)
1086 {
1087         DBG("network %p key %s", network, key);
1088
1089         if (g_str_equal(key, "Strength") == TRUE)
1090                 return network->strength;
1091
1092         return connman_element_get_uint8(&network->element, key);
1093 }
1094
1095 /**
1096  * connman_network_set_uint16:
1097  * @network: network structure
1098  * @key: unique identifier
1099  * @value: integer value
1100  *
1101  * Set integer value for specific key
1102  */
1103 int connman_network_set_uint16(struct connman_network *network,
1104                                 const char *key, connman_uint16_t value)
1105 {
1106         DBG("network %p key %s value %d", network, key, value);
1107
1108         if (g_str_equal(key, "Frequency") == TRUE)
1109                 network->frequency = value;
1110         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1111                 network->wifi.channel = value;
1112
1113         return -EINVAL;
1114 }
1115
1116 /**
1117  * connman_network_get_uint16:
1118  * @network: network structure
1119  * @key: unique identifier
1120  *
1121  * Get integer value for specific key
1122  */
1123 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1124                                                         const char *key)
1125 {
1126         DBG("network %p key %s", network, key);
1127
1128         if (g_str_equal(key, "Frequency") == TRUE)
1129                 return network->frequency;
1130         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1131                 return network->wifi.channel;
1132
1133         return 0;
1134 }
1135
1136 /**
1137  * connman_network_set_blob:
1138  * @network: network structure
1139  * @key: unique identifier
1140  * @data: blob data
1141  * @size: blob size
1142  *
1143  * Set binary blob value for specific key
1144  */
1145 int connman_network_set_blob(struct connman_network *network,
1146                         const char *key, const void *data, unsigned int size)
1147 {
1148         DBG("network %p key %s size %d", network, key, size);
1149
1150         if (g_strcmp0(key, "Address") == 0)
1151                 return connman_network_set_address(network, data, size);
1152
1153         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1154                 g_free(network->wifi.ssid);
1155                 network->wifi.ssid = g_try_malloc(size);
1156                 if (network->wifi.ssid != NULL) {
1157                         memcpy(network->wifi.ssid, data, size);
1158                         network->wifi.ssid_len = size;
1159                 } else
1160                         network->wifi.ssid_len = 0;
1161         }
1162
1163         return connman_element_set_blob(&network->element, key, data, size);
1164 }
1165
1166 /**
1167  * connman_network_get_blob:
1168  * @network: network structure
1169  * @key: unique identifier
1170  * @size: pointer to blob size
1171  *
1172  * Get binary blob value for specific key
1173  */
1174 const void *connman_network_get_blob(struct connman_network *network,
1175                                         const char *key, unsigned int *size)
1176 {
1177         DBG("network %p key %s", network, key);
1178
1179         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1180                 if (size != NULL)
1181                         *size = network->wifi.ssid_len;
1182                 return network->wifi.ssid;
1183         }
1184
1185         return connman_element_get_blob(&network->element, key, size);
1186 }
1187
1188 void __connman_network_set_device(struct connman_network *network,
1189                                         struct connman_device *device)
1190 {
1191         network->device = device;
1192 }
1193
1194 /**
1195  * connman_network_get_device:
1196  * @network: network structure
1197  *
1198  * Get parent device of network
1199  */
1200 struct connman_device *connman_network_get_device(struct connman_network *network)
1201 {
1202         return network->device;
1203 }
1204
1205 /**
1206  * connman_network_get_data:
1207  * @network: network structure
1208  *
1209  * Get private network data pointer
1210  */
1211 void *connman_network_get_data(struct connman_network *network)
1212 {
1213         return network->driver_data;
1214 }
1215
1216 /**
1217  * connman_network_set_data:
1218  * @network: network structure
1219  * @data: data pointer
1220  *
1221  * Set private network data pointer
1222  */
1223 void connman_network_set_data(struct connman_network *network, void *data)
1224 {
1225         network->driver_data = data;
1226 }
1227
1228 static gboolean match_driver(struct connman_network *network,
1229                                         struct connman_network_driver *driver)
1230 {
1231         if (network->type == driver->type ||
1232                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1233                 return TRUE;
1234
1235         return FALSE;
1236 }
1237
1238 static int network_probe(struct connman_element *element)
1239 {
1240         struct connman_network *network = element->network;
1241         GSList *list;
1242         int err;
1243
1244         DBG("element %p name %s", element, element->name);
1245
1246         if (network == NULL)
1247                 return -ENODEV;
1248
1249         for (list = driver_list; list; list = list->next) {
1250                 struct connman_network_driver *driver = list->data;
1251
1252                 if (match_driver(network, driver) == FALSE)
1253                         continue;
1254
1255                 DBG("driver %p name %s", driver, driver->name);
1256
1257                 if (driver->probe(network) == 0) {
1258                         network->driver = driver;
1259                         break;
1260                 }
1261         }
1262
1263         if (network->driver == NULL)
1264                 return -ENODEV;
1265
1266         err = register_interface(element);
1267         if (err < 0) {
1268                 if (network->driver->remove)
1269                         network->driver->remove(network);
1270                 return err;
1271         }
1272
1273         network->secondary = connman_device_get_secondary(network->device);
1274
1275         switch (network->type) {
1276         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1277         case CONNMAN_NETWORK_TYPE_VENDOR:
1278         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1279         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1280                 break;
1281         case CONNMAN_NETWORK_TYPE_MBM:
1282         case CONNMAN_NETWORK_TYPE_HSO:
1283         case CONNMAN_NETWORK_TYPE_WIFI:
1284         case CONNMAN_NETWORK_TYPE_WIMAX:
1285                 if (network->group != NULL && network->secondary == FALSE)
1286                         __connman_profile_add_network(network);
1287                 break;
1288         }
1289
1290         return 0;
1291 }
1292
1293 static void network_remove(struct connman_element *element)
1294 {
1295         struct connman_network *network = element->network;
1296
1297         DBG("element %p name %s", element, element->name);
1298
1299         if (network == NULL)
1300                 return;
1301
1302         if (network->driver == NULL)
1303                 return;
1304
1305         switch (network->type) {
1306         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1307         case CONNMAN_NETWORK_TYPE_VENDOR:
1308         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1309         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1310                 break;
1311         case CONNMAN_NETWORK_TYPE_MBM:
1312         case CONNMAN_NETWORK_TYPE_HSO:
1313         case CONNMAN_NETWORK_TYPE_WIFI:
1314         case CONNMAN_NETWORK_TYPE_WIMAX:
1315                 if (network->group != NULL && network->secondary == FALSE) {
1316                         __connman_profile_remove_network(network);
1317
1318                         g_free(network->group);
1319                         network->group = NULL;
1320                 }
1321                 break;
1322         }
1323
1324         unregister_interface(element);
1325
1326         if (network->driver->remove)
1327                 network->driver->remove(network);
1328 }
1329
1330 static void network_change(struct connman_element *element)
1331 {
1332         struct connman_network *network = element->network;
1333
1334         DBG("element %p name %s", element, element->name);
1335
1336         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1337                 return;
1338
1339         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1340                 return;
1341
1342         if (network->connected == FALSE)
1343                 return;
1344
1345         connman_element_unregister_children(element);
1346
1347         connman_device_set_disconnected(network->device, TRUE);
1348
1349         if (network->driver && network->driver->disconnect) {
1350                 network->driver->disconnect(network);
1351                 return;
1352         }
1353
1354         network->connected = FALSE;
1355 }
1356
1357 static struct connman_driver network_driver = {
1358         .name           = "network",
1359         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1360         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1361         .probe          = network_probe,
1362         .remove         = network_remove,
1363         .change         = network_change,
1364 };
1365
1366 int __connman_network_init(void)
1367 {
1368         DBG("");
1369
1370         connection = connman_dbus_get_connection();
1371
1372         return connman_driver_register(&network_driver);
1373 }
1374
1375 void __connman_network_cleanup(void)
1376 {
1377         DBG("");
1378
1379         connman_driver_unregister(&network_driver);
1380
1381         dbus_connection_unref(connection);
1382 }