git.maemo.org Git - connman/blob - 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 <string.h>
  27
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 struct connman_network {
  33         struct connman_element element;
  34         enum connman_network_type type;
  35         enum connman_network_protocol protocol;
  36         connman_bool_t available;
  37         connman_bool_t connected;
  38         connman_bool_t remember;
  39         connman_uint8_t priority;
  40         connman_uint8_t strength;
  41         char *identifier;
  42         char *address;
  43         char *name;
  44         char *node;
  45         char *group;
  46
  47         struct connman_network_driver *driver;
  48         void *driver_data;
  49
  50         connman_bool_t registered;
  51
  52         struct connman_device *device;
  53
  54         struct {
  55                 void *ssid;
  56                 int ssid_len;
  57                 char *mode;
  58                 char *security;
  59                 char *passphrase;
  60         } wifi;
  61 };
  62
  63 static const char *type2string(enum connman_network_type type)
  64 {
  65         switch (type) {
  66         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  67         case CONNMAN_NETWORK_TYPE_VENDOR:
  68                 break;
  69         case CONNMAN_NETWORK_TYPE_WIFI:
  70                 return "wifi";
  71         case CONNMAN_NETWORK_TYPE_WIMAX:
  72                 return "wimax";
  73         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  74         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  75                 return "bluetooth";
  76         case CONNMAN_NETWORK_TYPE_HSO:
  77                 return "cellular";
  78         }
  79
  80         return NULL;
  81 }
  82
  83 static DBusMessage *get_properties(DBusConnection *conn,
  84                                         DBusMessage *msg, void *data)
  85 {
  86         struct connman_network *network = data;
  87         DBusMessage *reply;
  88         DBusMessageIter array, dict;
  89
  90         DBG("conn %p", conn);
  91
  92         if (__connman_security_check_privilege(msg,
  93                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  94                 return __connman_error_permission_denied(msg);
  95
  96         reply = dbus_message_new_method_return(msg);
  97         if (reply == NULL)
  98                 return NULL;
  99
 100         dbus_message_iter_init_append(reply, &array);
 101
 102         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 103                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 104                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 105                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 106
 107         if (network->device) {
 108                 const char *path = connman_device_get_path(network->device);
 109                 if (path != NULL)
 110                         connman_dbus_dict_append_variant(&dict, "Device",
 111                                                 DBUS_TYPE_OBJECT_PATH, &path);
 112         }
 113
 114         if (network->address != NULL)
 115                 connman_dbus_dict_append_variant(&dict, "Address",
 116                                         DBUS_TYPE_STRING, &network->address);
 117
 118         if (network->name != NULL)
 119                 connman_dbus_dict_append_variant(&dict, "Name",
 120                                         DBUS_TYPE_STRING, &network->name);
 121
 122         connman_dbus_dict_append_variant(&dict, "Available",
 123                                 DBUS_TYPE_BOOLEAN, &network->available);
 124
 125         connman_dbus_dict_append_variant(&dict, "Connected",
 126                                 DBUS_TYPE_BOOLEAN, &network->connected);
 127
 128         connman_dbus_dict_append_variant(&dict, "Remember",
 129                                 DBUS_TYPE_BOOLEAN, &network->remember);
 130
 131         if (network->priority > 0)
 132                 connman_dbus_dict_append_variant(&dict, "Priority",
 133                                         DBUS_TYPE_BYTE, &network->priority);
 134
 135         if (network->strength > 0)
 136                 connman_dbus_dict_append_variant(&dict, "Strength",
 137                                         DBUS_TYPE_BYTE, &network->strength);
 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.security != NULL)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 150                                 DBUS_TYPE_STRING, &network->wifi.security);
 151
 152         if (network->wifi.passphrase != NULL &&
 153                         __connman_security_check_privilege(msg,
 154                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 155                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 156                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 157
 158         dbus_message_iter_close_container(&array, &dict);
 159
 160         return reply;
 161 }
 162
 163 static DBusMessage *set_property(DBusConnection *conn,
 164                                         DBusMessage *msg, void *data)
 165 {
 166         struct connman_network *network = data;
 167         DBusMessageIter iter, value;
 168         const char *name;
 169         int type;
 170
 171         DBG("conn %p", conn);
 172
 173         if (dbus_message_iter_init(msg, &iter) == FALSE)
 174                 return __connman_error_invalid_arguments(msg);
 175
 176         dbus_message_iter_get_basic(&iter, &name);
 177         dbus_message_iter_next(&iter);
 178         dbus_message_iter_recurse(&iter, &value);
 179
 180         if (__connman_security_check_privilege(msg,
 181                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 182                 return __connman_error_permission_denied(msg);
 183
 184         type = dbus_message_iter_get_arg_type(&value);
 185
 186         if (g_str_equal(name, "Remember") == TRUE) {
 187                 connman_bool_t remember;
 188
 189                 if (type != DBUS_TYPE_BOOLEAN)
 190                         return __connman_error_invalid_arguments(msg);
 191
 192                 dbus_message_iter_get_basic(&value, &remember);
 193
 194                 if (network->remember == remember)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 network->remember = remember;
 198         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 199                 const char *passphrase;
 200
 201                 if (type != DBUS_TYPE_STRING)
 202                         return __connman_error_invalid_arguments(msg);
 203
 204                 if (__connman_security_check_privilege(msg,
 205                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 206                         return __connman_error_permission_denied(msg);
 207
 208                 dbus_message_iter_get_basic(&value, &passphrase);
 209
 210                 g_free(network->wifi.passphrase);
 211                 network->wifi.passphrase = g_strdup(passphrase);
 212         } else if (g_str_equal(name, "Priority") == TRUE) {
 213                 connman_uint8_t priority;
 214
 215                 if (type != DBUS_TYPE_BYTE)
 216                         return __connman_error_invalid_arguments(msg);
 217
 218                 dbus_message_iter_get_basic(&value, &priority);
 219
 220                 network->priority = priority;
 221         }
 222
 223         __connman_storage_save_network(network);
 224
 225         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 226 }
 227
 228 static DBusMessage *do_connect(DBusConnection *conn,
 229                                         DBusMessage *msg, void *data)
 230 {
 231         struct connman_network *network = data;
 232         int err;
 233
 234         DBG("conn %p", conn);
 235
 236         if (__connman_security_check_privilege(msg,
 237                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 238                 return __connman_error_permission_denied(msg);
 239
 240         if (network->connected == TRUE)
 241                 return __connman_error_failed(msg);
 242
 243         if (network->driver && network->driver->connect) {
 244                 enum connman_device_mode mode;
 245
 246                 mode = connman_device_get_mode(network->device);
 247                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 248                         __connman_device_disconnect(network->device);
 249
 250                 err = network->driver->connect(network);
 251                 if (err < 0 && err != -EINPROGRESS)
 252                         return __connman_error_failed(msg);
 253         } else
 254                 network->connected = TRUE;
 255
 256         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 257 }
 258
 259 static DBusMessage *do_disconnect(DBusConnection *conn,
 260                                         DBusMessage *msg, void *data)
 261 {
 262         struct connman_network *network = data;
 263         int err;
 264
 265         DBG("conn %p", conn);
 266
 267         if (__connman_security_check_privilege(msg,
 268                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 269                 return __connman_error_permission_denied(msg);
 270
 271         if (network->connected == FALSE)
 272                 return __connman_error_failed(msg);
 273
 274         connman_element_unregister_children(&network->element);
 275
 276         connman_device_set_disconnected(network->device, TRUE);
 277
 278         if (network->driver && network->driver->disconnect) {
 279                 err = network->driver->disconnect(network);
 280                 if (err < 0 && err != -EINPROGRESS)
 281                         return __connman_error_failed(msg);
 282         } else
 283                 network->connected = FALSE;
 284
 285         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 286 }
 287
 288 static GDBusMethodTable network_methods[] = {
 289         { "GetProperties", "",   "a{sv}", get_properties },
 290         { "SetProperty",   "sv", "",      set_property   },
 291         { "Connect",       "",   "",      do_connect     },
 292         { "Disconnect",    "",   "",      do_disconnect  },
 293         { },
 294 };
 295
 296 static GDBusSignalTable network_signals[] = {
 297         { "PropertyChanged", "sv" },
 298         { },
 299 };
 300
 301 static DBusConnection *connection;
 302
 303 static void append_networks(struct connman_device *device,
 304                                                 DBusMessageIter *entry)
 305 {
 306         DBusMessageIter value, iter;
 307         const char *key = "Networks";
 308
 309         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 310
 311         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 312                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 313                                                                 &value);
 314
 315         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 316                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 317         __connman_element_list((struct connman_element *) device,
 318                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 319         dbus_message_iter_close_container(&value, &iter);
 320
 321         dbus_message_iter_close_container(entry, &value);
 322 }
 323
 324 static void emit_networks_signal(struct connman_device *device)
 325 {
 326         const char *path = connman_device_get_path(device);
 327         DBusMessage *signal;
 328         DBusMessageIter entry;
 329
 330         signal = dbus_message_new_signal(path,
 331                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 332         if (signal == NULL)
 333                 return;
 334
 335         dbus_message_iter_init_append(signal, &entry);
 336
 337         append_networks(device, &entry);
 338
 339         g_dbus_send_message(connection, signal);
 340 }
 341
 342 static int register_interface(struct connman_element *element)
 343 {
 344         struct connman_network *network = element->network;
 345
 346         DBG("element %p name %s", element, element->name);
 347
 348         if (g_dbus_register_interface(connection, element->path,
 349                                         CONNMAN_NETWORK_INTERFACE,
 350                                         network_methods, network_signals,
 351                                         NULL, network, NULL) == FALSE) {
 352                 connman_error("Failed to register %s network", element->path);
 353                 return -EIO;
 354         }
 355
 356         network->registered = TRUE;
 357
 358         emit_networks_signal(network->device);
 359
 360         return 0;
 361 }
 362
 363 static void unregister_interface(struct connman_element *element)
 364 {
 365         struct connman_network * network = element->network;
 366
 367         DBG("element %p name %s", element, element->name);
 368
 369         network->registered = FALSE;
 370
 371         emit_networks_signal(network->device);
 372
 373         g_dbus_unregister_interface(connection, element->path,
 374                                                 CONNMAN_NETWORK_INTERFACE);
 375 }
 376
 377 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 378 {
 379         if (network == NULL || network->driver == NULL)
 380                 return FALSE;
 381
 382         return network->registered;
 383 }
 384
 385 static GSList *driver_list = NULL;
 386
 387 static gint compare_priority(gconstpointer a, gconstpointer b)
 388 {
 389         const struct connman_network_driver *driver1 = a;
 390         const struct connman_network_driver *driver2 = b;
 391
 392         return driver2->priority - driver1->priority;
 393 }
 394
 395 /**
 396  * connman_network_driver_register:
 397  * @driver: network driver definition
 398  *
 399  * Register a new network driver
 400  *
 401  * Returns: %0 on success
 402  */
 403 int connman_network_driver_register(struct connman_network_driver *driver)
 404 {
 405         DBG("driver %p name %s", driver, driver->name);
 406
 407         driver_list = g_slist_insert_sorted(driver_list, driver,
 408                                                         compare_priority);
 409
 410         return 0;
 411 }
 412
 413 /**
 414  * connman_network_driver_unregister:
 415  * @driver: network driver definition
 416  *
 417  * Remove a previously registered network driver
 418  */
 419 void connman_network_driver_unregister(struct connman_network_driver *driver)
 420 {
 421         DBG("driver %p name %s", driver, driver->name);
 422
 423         driver_list = g_slist_remove(driver_list, driver);
 424 }
 425
 426 static void network_destruct(struct connman_element *element)
 427 {
 428         struct connman_network *network = element->network;
 429
 430         DBG("element %p name %s", element, element->name);
 431
 432         g_free(network->wifi.ssid);
 433         g_free(network->wifi.mode);
 434         g_free(network->wifi.security);
 435         g_free(network->wifi.passphrase);
 436
 437         g_free(network->group);
 438         g_free(network->node);
 439         g_free(network->name);
 440         g_free(network->address);
 441         g_free(network->identifier);
 442 }
 443
 444 /**
 445  * connman_network_create:
 446  * @identifier: network identifier (for example an unqiue name)
 447  *
 448  * Allocate a new network and assign the #identifier to it.
 449  *
 450  * Returns: a newly-allocated #connman_network structure
 451  */
 452 struct connman_network *connman_network_create(const char *identifier,
 453                                                 enum connman_network_type type)
 454 {
 455         struct connman_network *network;
 456         connman_uint8_t strength = 0;
 457         const char *str;
 458         char *temp;
 459
 460         DBG("identifier %s type %d", identifier, type);
 461
 462         network = g_try_new0(struct connman_network, 1);
 463         if (network == NULL)
 464                 return NULL;
 465
 466         DBG("network %p", network);
 467
 468         __connman_element_initialize(&network->element);
 469
 470         //temp = connman_dbus_encode_string(identifier);
 471         temp = g_strdup(identifier);
 472         if (temp == NULL) {
 473                 g_free(network);
 474                 return NULL;
 475         }
 476
 477         network->element.name = temp;
 478         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 479
 480         network->element.network = network;
 481         network->element.destruct = network_destruct;
 482
 483         str = type2string(type);
 484         if (str != NULL)
 485                 connman_element_set_string(&network->element, "Type", str);
 486
 487         connman_element_set_uint8(&network->element, "Strength", strength);
 488
 489         network->type = type;
 490         network->identifier = g_strdup(identifier);
 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         g_free(network->group);
 605         network->group = g_strdup(group);
 606 }
 607
 608 const char *__connman_network_get_group(struct connman_network *network)
 609 {
 610         return network->group;
 611 }
 612
 613 /**
 614  * connman_network_set_available:
 615  * @network: network structure
 616  * @available: availability state
 617  *
 618  * Change availability state of network (in range)
 619  */
 620 int connman_network_set_available(struct connman_network *network,
 621                                                 connman_bool_t available)
 622 {
 623         DBusMessage *signal;
 624         DBusMessageIter entry, value;
 625         const char *key = "Available";
 626
 627         DBG("network %p available %d", network, available);
 628
 629         if (network->available == available)
 630                 return -EALREADY;
 631
 632         network->available = available;
 633
 634         if (network->registered == FALSE)
 635                 return 0;
 636
 637         if (network->connected == TRUE)
 638                 return 0;
 639
 640         if (network->remember == FALSE)
 641                 return 0;
 642
 643         signal = dbus_message_new_signal(network->element.path,
 644                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 645         if (signal == NULL)
 646                 return 0;
 647
 648         dbus_message_iter_init_append(signal, &entry);
 649
 650         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 651
 652         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 653                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 654         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 655         dbus_message_iter_close_container(&entry, &value);
 656
 657         g_dbus_send_message(connection, signal);
 658
 659         return 0;
 660 }
 661
 662 /**
 663  * connman_network_get_available:
 664  * @network: network structure
 665  *
 666  * Get network available setting
 667  */
 668 connman_bool_t connman_network_get_available(struct connman_network *network)
 669 {
 670         return network->available;
 671 }
 672
 673 static gboolean set_connected(gpointer user_data)
 674 {
 675         struct connman_network *network = user_data;
 676
 677         if (network->connected == TRUE) {
 678                 struct connman_element *element;
 679                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 680
 681                 switch (network->protocol) {
 682                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 683                         return 0;
 684                 case CONNMAN_NETWORK_PROTOCOL_IP:
 685                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 686                         break;
 687                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 688                         type = CONNMAN_ELEMENT_TYPE_PPP;
 689                         break;
 690                 }
 691
 692                 __connman_device_increase_connections(network->device);
 693
 694                 __connman_device_set_network(network->device, network);
 695
 696                 connman_device_set_disconnected(network->device, FALSE);
 697
 698                 element = connman_element_create(NULL);
 699                 if (element != NULL) {
 700                         element->type  = type;
 701                         element->index = network->element.index;
 702
 703                         if (connman_element_register(element,
 704                                                 &network->element) < 0)
 705                                 connman_element_unref(element);
 706                 }
 707         } else {
 708                 connman_element_unregister_children(&network->element);
 709
 710                 __connman_device_set_network(network->device, NULL);
 711
 712                 __connman_device_decrease_connections(network->device);
 713         }
 714
 715         return FALSE;
 716 }
 717
 718 /**
 719  * connman_network_set_connected:
 720  * @network: network structure
 721  * @connected: connected state
 722  *
 723  * Change connected state of network
 724  */
 725 int connman_network_set_connected(struct connman_network *network,
 726                                                 connman_bool_t connected)
 727 {
 728         DBusMessage *signal;
 729         DBusMessageIter entry, value;
 730         const char *key = "Connected";
 731
 732         DBG("network %p connected %d", network, connected);
 733
 734         if (network->connected == connected)
 735                 return -EALREADY;
 736
 737         network->connected = connected;
 738
 739         if (network->registered == FALSE) {
 740                 g_idle_add(set_connected, network);
 741                 return 0;
 742         }
 743
 744         signal = dbus_message_new_signal(network->element.path,
 745                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 746         if (signal == NULL)
 747                 return 0;
 748
 749         dbus_message_iter_init_append(signal, &entry);
 750
 751         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 752
 753         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 754                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 755         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 756         dbus_message_iter_close_container(&entry, &value);
 757
 758         g_dbus_send_message(connection, signal);
 759
 760         set_connected(network);
 761
 762         return 0;
 763 }
 764
 765 /**
 766  * connman_network_get_connected:
 767  * @network: network structure
 768  *
 769  * Get network connection status
 770  */
 771 connman_bool_t connman_network_get_connected(struct connman_network *network)
 772 {
 773         return network->connected;
 774 }
 775
 776 /**
 777  * connman_network_set_remember:
 778  * @network: network structure
 779  * @remember: remember state
 780  *
 781  * Change remember state of network (known networks)
 782  */
 783 int connman_network_set_remember(struct connman_network *network,
 784                                                 connman_bool_t remember)
 785 {
 786         DBusMessage *signal;
 787         DBusMessageIter entry, value;
 788         const char *key = "Remember";
 789
 790         DBG("network %p remember %d", network, remember);
 791
 792         if (network->remember == remember)
 793                 return -EALREADY;
 794
 795         network->remember = remember;
 796
 797         if (network->registered == FALSE)
 798                 return 0;
 799
 800         signal = dbus_message_new_signal(network->element.path,
 801                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 802         if (signal == NULL)
 803                 return 0;
 804
 805         dbus_message_iter_init_append(signal, &entry);
 806
 807         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 808
 809         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 810                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 811         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 812         dbus_message_iter_close_container(&entry, &value);
 813
 814         g_dbus_send_message(connection, signal);
 815
 816         return 0;
 817 }
 818
 819 /**
 820  * connman_network_get_remember:
 821  * @network: network structure
 822  *
 823  * Get network remember setting
 824  */
 825 connman_bool_t connman_network_get_remember(struct connman_network *network)
 826 {
 827         return network->remember;
 828 }
 829
 830 /**
 831  * connman_network_connect:
 832  * @network: network structure
 833  *
 834  * Connect network
 835  */
 836 int connman_network_connect(struct connman_network *network)
 837 {
 838         if (network->connected == TRUE)
 839                 return -EALREADY;
 840
 841         if (network->driver && network->driver->connect)
 842                 return network->driver->connect(network);
 843
 844         network->connected = TRUE;
 845
 846         return 0;
 847 }
 848
 849 int __connman_network_disconnect(struct connman_network *network)
 850 {
 851         if (network->connected == FALSE)
 852                 return -ENOTCONN;
 853
 854         connman_element_unregister_children(&network->element);
 855
 856         if (network->driver && network->driver->disconnect)
 857                 return network->driver->disconnect(network);
 858
 859         network->connected = FALSE;
 860
 861         return 0;
 862 }
 863
 864 /**
 865  * connman_network_set_string:
 866  * @network: network structure
 867  * @key: unique identifier
 868  * @value: string value
 869  *
 870  * Set string value for specific key
 871  */
 872 int connman_network_set_string(struct connman_network *network,
 873                                         const char *key, const char *value)
 874 {
 875         DBG("network %p key %s value %s", network, key, value);
 876
 877         if (g_str_equal(key, "Address") == TRUE) {
 878                 g_free(network->address);
 879                 network->address = g_strdup(value);
 880         } else if (g_str_equal(key, "Name") == TRUE) {
 881                 g_free(network->name);
 882                 network->name = g_strdup(value);
 883         } else if (g_str_equal(key, "Node") == TRUE) {
 884                 g_free(network->node);
 885                 network->node = g_strdup(value);
 886         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 887                 g_free(network->wifi.mode);
 888                 network->wifi.mode = g_strdup(value);
 889         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 890                 g_free(network->wifi.security);
 891                 network->wifi.security = g_strdup(value);
 892         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 893                 g_free(network->wifi.passphrase);
 894                 network->wifi.passphrase = g_strdup(value);
 895         }
 896
 897         return connman_element_set_string(&network->element, key, value);
 898 }
 899
 900 /**
 901  * connman_network_get_string:
 902  * @network: network structure
 903  * @key: unique identifier
 904  *
 905  * Get string value for specific key
 906  */
 907 const char *connman_network_get_string(struct connman_network *network,
 908                                                         const char *key)
 909 {
 910         DBG("network %p key %s", network, key);
 911
 912         if (g_str_equal(key, "Address") == TRUE)
 913                 return network->address;
 914         else if (g_str_equal(key, "Name") == TRUE)
 915                 return network->name;
 916         else if (g_str_equal(key, "Node") == TRUE)
 917                 return network->node;
 918         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 919                 return network->wifi.mode;
 920         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 921                 return network->wifi.security;
 922         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 923                 return network->wifi.passphrase;
 924
 925         return connman_element_get_string(&network->element, key);
 926 }
 927
 928 /**
 929  * connman_network_set_uint8:
 930  * @network: network structure
 931  * @key: unique identifier
 932  * @value: integer value
 933  *
 934  * Set integer value for specific key
 935  */
 936 int connman_network_set_uint8(struct connman_network *network,
 937                                         const char *key, connman_uint8_t value)
 938 {
 939         DBG("network %p key %s value %d", network, key, value);
 940
 941         if (g_str_equal(key, "Priority") == TRUE)
 942                 network->priority = value;
 943         else if (g_str_equal(key, "Strength") == TRUE)
 944                 network->strength = value;
 945
 946         return connman_element_set_uint8(&network->element, key, value);
 947 }
 948
 949 /**
 950  * connman_network_get_uint8:
 951  * @network: network structure
 952  * @key: unique identifier
 953  *
 954  * Get integer value for specific key
 955  */
 956 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 957                                                         const char *key)
 958 {
 959         DBG("network %p key %s", network, key);
 960
 961         if (g_str_equal(key, "Priority") == TRUE)
 962                 return network->priority;
 963         else if (g_str_equal(key, "Strength") == TRUE)
 964                 return network->strength;
 965
 966         return connman_element_get_uint8(&network->element, key);
 967 }
 968
 969 /**
 970  * connman_network_set_blob:
 971  * @network: network structure
 972  * @key: unique identifier
 973  * @data: blob data
 974  * @size: blob size
 975  *
 976  * Set binary blob value for specific key
 977  */
 978 int connman_network_set_blob(struct connman_network *network,
 979                         const char *key, const void *data, unsigned int size)
 980 {
 981         DBG("network %p key %s size %d", network, key, size);
 982
 983         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 984                 g_free(network->wifi.ssid);
 985                 network->wifi.ssid = g_try_malloc(size);
 986                 if (network->wifi.ssid != NULL) {
 987                         memcpy(network->wifi.ssid, data, size);
 988                         network->wifi.ssid_len = size;
 989                 } else
 990                         network->wifi.ssid_len = 0;
 991         }
 992
 993         return connman_element_set_blob(&network->element, key, data, size);
 994 }
 995
 996 /**
 997  * connman_network_get_blob:
 998  * @network: network structure
 999  * @key: unique identifier
1000  * @size: pointer to blob size
1001  *
1002  * Get binary blob value for specific key
1003  */
1004 const void *connman_network_get_blob(struct connman_network *network,
1005                                         const char *key, unsigned int *size)
1006 {
1007         DBG("network %p key %s", network, key);
1008
1009         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1010                 if (size != NULL)
1011                         *size = network->wifi.ssid_len;
1012                 return network->wifi.ssid;
1013         }
1014
1015         return connman_element_get_blob(&network->element, key, size);
1016 }
1017
1018 void __connman_network_set_device(struct connman_network *network,
1019                                         struct connman_device *device)
1020 {
1021         network->device = device;
1022 }
1023
1024 /**
1025  * connman_network_get_device:
1026  * @network: network structure
1027  *
1028  * Get parent device of network
1029  */
1030 struct connman_device *connman_network_get_device(struct connman_network *network)
1031 {
1032         return network->device;
1033 }
1034
1035 /**
1036  * connman_network_get_data:
1037  * @network: network structure
1038  *
1039  * Get private network data pointer
1040  */
1041 void *connman_network_get_data(struct connman_network *network)
1042 {
1043         return network->driver_data;
1044 }
1045
1046 /**
1047  * connman_network_set_data:
1048  * @network: network structure
1049  * @data: data pointer
1050  *
1051  * Set private network data pointer
1052  */
1053 void connman_network_set_data(struct connman_network *network, void *data)
1054 {
1055         network->driver_data = data;
1056 }
1057
1058 static gboolean match_driver(struct connman_network *network,
1059                                         struct connman_network_driver *driver)
1060 {
1061         if (network->type == driver->type ||
1062                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1063                 return TRUE;
1064
1065         return FALSE;
1066 }
1067
1068 static int network_probe(struct connman_element *element)
1069 {
1070         struct connman_network *network = element->network;
1071         GSList *list;
1072         int err;
1073
1074         DBG("element %p name %s", element, element->name);
1075
1076         if (network == NULL)
1077                 return -ENODEV;
1078
1079         for (list = driver_list; list; list = list->next) {
1080                 struct connman_network_driver *driver = list->data;
1081
1082                 if (match_driver(network, driver) == FALSE)
1083                         continue;
1084
1085                 DBG("driver %p name %s", driver, driver->name);
1086
1087                 if (driver->probe(network) == 0) {
1088                         network->driver = driver;
1089                         break;
1090                 }
1091         }
1092
1093         if (network->driver == NULL)
1094                 return -ENODEV;
1095
1096         err = register_interface(element);
1097         if (err < 0) {
1098                 if (network->driver->remove)
1099                         network->driver->remove(network);
1100                 return err;
1101         }
1102
1103         __connman_profile_add_network(network);
1104
1105         return 0;
1106 }
1107
1108 static void network_remove(struct connman_element *element)
1109 {
1110         struct connman_network *network = element->network;
1111
1112         DBG("element %p name %s", element, element->name);
1113
1114         if (network == NULL)
1115                 return;
1116
1117         if (network->driver == NULL)
1118                 return;
1119
1120         __connman_profile_remove_network(network);
1121
1122         unregister_interface(element);
1123
1124         if (network->driver->remove)
1125                 network->driver->remove(network);
1126 }
1127
1128 static void network_change(struct connman_element *element)
1129 {
1130         struct connman_network *network = element->network;
1131
1132         DBG("element %p name %s", element, element->name);
1133
1134         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1135                 return;
1136
1137         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1138                 return;
1139
1140         if (network->connected == FALSE)
1141                 return;
1142
1143         connman_element_unregister_children(element);
1144
1145         connman_device_set_disconnected(network->device, TRUE);
1146
1147         if (network->driver && network->driver->disconnect) {
1148                 network->driver->disconnect(network);
1149                 return;
1150         }
1151
1152         network->connected = FALSE;
1153 }
1154
1155 static struct connman_driver network_driver = {
1156         .name           = "network",
1157         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1158         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1159         .probe          = network_probe,
1160         .remove         = network_remove,
1161         .change         = network_change,
1162 };
1163
1164 static int network_init(struct connman_device *device)
1165 {
1166         DBG("device %p", device);
1167
1168         return 0;
1169 }
1170
1171 static int network_load(struct connman_network *network)
1172 {
1173         GKeyFile *keyfile;
1174         gchar *pathname, *data = NULL;
1175         gsize length;
1176         const char *name;
1177         char *str;
1178         int val;
1179
1180         DBG("network %p", network);
1181
1182         name = connman_device_get_name(network->device);
1183         if (name == NULL)
1184                 return -EINVAL;
1185
1186         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1187         if (pathname == NULL)
1188                 return -ENOMEM;
1189
1190         keyfile = g_key_file_new();
1191
1192         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1193                 g_free(pathname);
1194                 return -ENOENT;
1195         }
1196
1197         g_free(pathname);
1198
1199         if (g_key_file_load_from_data(keyfile, data, length,
1200                                                         0, NULL) == FALSE) {
1201                 g_free(data);
1202                 return -EILSEQ;
1203         }
1204
1205         g_free(data);
1206
1207         network->remember = g_key_file_get_boolean(keyfile,
1208                                         network->identifier, "Remember", NULL);
1209
1210         val = g_key_file_get_integer(keyfile, network->identifier,
1211                                                         "Priority", NULL);
1212         if (val > 0)
1213                 network->priority = val;
1214
1215         str = g_key_file_get_string(keyfile,
1216                                 network->identifier, "WiFi.Security", NULL);
1217         if (str != NULL) {
1218                 g_free(network->wifi.security);
1219                 network->wifi.security = str;
1220         }
1221
1222         str = g_key_file_get_string(keyfile,
1223                                 network->identifier, "WiFi.Passphrase", NULL);
1224         if (str != NULL) {
1225                 g_free(network->wifi.passphrase);
1226                 network->wifi.passphrase = str;
1227         }
1228
1229         g_key_file_free(keyfile);
1230
1231         return 0;
1232 }
1233
1234 static int network_save(struct connman_network *network)
1235 {
1236         GKeyFile *keyfile;
1237         gchar *pathname, *data = NULL;
1238         gsize length;
1239         const char *name;
1240
1241         DBG("network %p", network);
1242
1243         name = connman_device_get_name(network->device);
1244         if (name == NULL)
1245                 return -EINVAL;
1246
1247         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1248         if (pathname == NULL)
1249                 return -ENOMEM;
1250
1251         keyfile = g_key_file_new();
1252
1253         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1254                 goto update;
1255
1256         if (length > 0) {
1257                 if (g_key_file_load_from_data(keyfile, data, length,
1258                                                         0, NULL) == FALSE)
1259                         goto done;
1260         }
1261
1262         g_free(data);
1263
1264 update:
1265         g_key_file_set_boolean(keyfile, network->identifier,
1266                                         "Remember", network->remember);
1267
1268         if (network->priority > 0)
1269                 g_key_file_set_integer(keyfile, network->identifier,
1270                                                 "Priority", network->priority);
1271
1272         if (network->remember == TRUE || network->connected == TRUE) {
1273                 if (network->wifi.security != NULL)
1274                         g_key_file_set_string(keyfile, network->identifier,
1275                                 "WiFi.Security", network->wifi.security);
1276
1277                 if (network->wifi.passphrase != NULL)
1278                         g_key_file_set_string(keyfile, network->identifier,
1279                                 "WiFi.Passphrase", network->wifi.passphrase);
1280         }
1281
1282         data = g_key_file_to_data(keyfile, &length, NULL);
1283
1284         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1285                 connman_error("Failed to store network information");
1286
1287 done:
1288         g_free(data);
1289
1290         g_key_file_free(keyfile);
1291
1292         g_free(pathname);
1293
1294         return 0;
1295 }
1296
1297 static struct connman_storage network_storage = {
1298         .name           = "network",
1299         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1300         .network_init   = network_init,
1301         .network_load   = network_load,
1302         .network_save   = network_save,
1303 };
1304
1305 int __connman_network_init(void)
1306 {
1307         DBG("");
1308
1309         connection = connman_dbus_get_connection();
1310
1311         if (connman_storage_register(&network_storage) < 0)
1312                 connman_error("Failed to register network storage");
1313
1314         return connman_driver_register(&network_driver);
1315 }
1316
1317 void __connman_network_cleanup(void)
1318 {
1319         DBG("");
1320
1321         connman_driver_unregister(&network_driver);
1322
1323         connman_storage_unregister(&network_storage);
1324
1325         dbus_connection_unref(connection);
1326 }