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 *name;
  43         char *node;
  44
  45         struct connman_network_driver *driver;
  46         void *driver_data;
  47
  48         connman_bool_t registered;
  49
  50         struct connman_device *device;
  51
  52         struct {
  53                 void *ssid;
  54                 int ssid_len;
  55                 char *mode;
  56                 char *security;
  57                 char *passphrase;
  58         } wifi;
  59 };
  60
  61 static const char *type2string(enum connman_network_type type)
  62 {
  63         switch (type) {
  64         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  65         case CONNMAN_NETWORK_TYPE_VENDOR:
  66                 break;
  67         case CONNMAN_NETWORK_TYPE_WIFI:
  68                 return "wifi";
  69         case CONNMAN_NETWORK_TYPE_WIMAX:
  70                 return "wimax";
  71         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  72         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  73                 return "bluetooth";
  74         case CONNMAN_NETWORK_TYPE_HSO:
  75                 return "cellular";
  76         }
  77
  78         return NULL;
  79 }
  80
  81 static DBusMessage *get_properties(DBusConnection *conn,
  82                                         DBusMessage *msg, void *data)
  83 {
  84         struct connman_network *network = data;
  85         DBusMessage *reply;
  86         DBusMessageIter array, dict;
  87
  88         DBG("conn %p", conn);
  89
  90         if (__connman_security_check_privilege(msg,
  91                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  92                 return __connman_error_permission_denied(msg);
  93
  94         reply = dbus_message_new_method_return(msg);
  95         if (reply == NULL)
  96                 return NULL;
  97
  98         dbus_message_iter_init_append(reply, &array);
  99
 100         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 101                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 102                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 103                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 104
 105         if (network->device) {
 106                 const char *path = connman_device_get_path(network->device);
 107                 if (path != NULL)
 108                         connman_dbus_dict_append_variant(&dict, "Device",
 109                                                 DBUS_TYPE_OBJECT_PATH, &path);
 110         }
 111
 112         if (network->name != NULL)
 113                 connman_dbus_dict_append_variant(&dict, "Name",
 114                                         DBUS_TYPE_STRING, &network->name);
 115
 116         connman_dbus_dict_append_variant(&dict, "Available",
 117                                 DBUS_TYPE_BOOLEAN, &network->available);
 118
 119         connman_dbus_dict_append_variant(&dict, "Connected",
 120                                 DBUS_TYPE_BOOLEAN, &network->connected);
 121
 122         connman_dbus_dict_append_variant(&dict, "Remember",
 123                                 DBUS_TYPE_BOOLEAN, &network->remember);
 124
 125         if (network->priority > 0)
 126                 connman_dbus_dict_append_variant(&dict, "Priority",
 127                                         DBUS_TYPE_BYTE, &network->priority);
 128
 129         if (network->strength > 0)
 130                 connman_dbus_dict_append_variant(&dict, "Strength",
 131                                         DBUS_TYPE_BYTE, &network->strength);
 132
 133         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 134                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 135                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 136                                                 network->wifi.ssid_len);
 137
 138         if (network->wifi.mode != NULL)
 139                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 140                                 DBUS_TYPE_STRING, &network->wifi.mode);
 141
 142         if (network->wifi.security != NULL)
 143                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 144                                 DBUS_TYPE_STRING, &network->wifi.security);
 145
 146         if (network->wifi.passphrase != NULL &&
 147                         __connman_security_check_privilege(msg,
 148                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 150                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 151
 152         dbus_message_iter_close_container(&array, &dict);
 153
 154         return reply;
 155 }
 156
 157 static DBusMessage *set_property(DBusConnection *conn,
 158                                         DBusMessage *msg, void *data)
 159 {
 160         struct connman_network *network = data;
 161         DBusMessageIter iter, value;
 162         const char *name;
 163         int type;
 164
 165         DBG("conn %p", conn);
 166
 167         if (dbus_message_iter_init(msg, &iter) == FALSE)
 168                 return __connman_error_invalid_arguments(msg);
 169
 170         dbus_message_iter_get_basic(&iter, &name);
 171         dbus_message_iter_next(&iter);
 172         dbus_message_iter_recurse(&iter, &value);
 173
 174         if (__connman_security_check_privilege(msg,
 175                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 176                 return __connman_error_permission_denied(msg);
 177
 178         type = dbus_message_iter_get_arg_type(&value);
 179
 180         if (g_str_equal(name, "Remember") == TRUE) {
 181                 connman_bool_t remember;
 182
 183                 if (type != DBUS_TYPE_BOOLEAN)
 184                         return __connman_error_invalid_arguments(msg);
 185
 186                 dbus_message_iter_get_basic(&value, &remember);
 187
 188                 if (network->remember == remember)
 189                         return __connman_error_invalid_arguments(msg);
 190
 191                 network->remember = remember;
 192         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 193                 const char *passphrase;
 194
 195                 if (type != DBUS_TYPE_STRING)
 196                         return __connman_error_invalid_arguments(msg);
 197
 198                 if (__connman_security_check_privilege(msg,
 199                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 200                         return __connman_error_permission_denied(msg);
 201
 202                 dbus_message_iter_get_basic(&value, &passphrase);
 203
 204                 g_free(network->wifi.passphrase);
 205                 network->wifi.passphrase = g_strdup(passphrase);
 206         } else if (g_str_equal(name, "Priority") == TRUE) {
 207                 connman_uint8_t priority;
 208
 209                 if (type != DBUS_TYPE_BYTE)
 210                         return __connman_error_invalid_arguments(msg);
 211
 212                 dbus_message_iter_get_basic(&value, &priority);
 213
 214                 network->priority = priority;
 215         }
 216
 217         __connman_storage_save_network(network);
 218
 219         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 220 }
 221
 222 static DBusMessage *do_connect(DBusConnection *conn,
 223                                         DBusMessage *msg, void *data)
 224 {
 225         struct connman_network *network = data;
 226         int err;
 227
 228         DBG("conn %p", conn);
 229
 230         if (__connman_security_check_privilege(msg,
 231                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 232                 return __connman_error_permission_denied(msg);
 233
 234         if (network->connected == TRUE)
 235                 return __connman_error_failed(msg);
 236
 237         if (network->driver && network->driver->connect) {
 238                 enum connman_device_mode mode;
 239
 240                 mode = connman_device_get_mode(network->device);
 241                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 242                         __connman_device_disconnect(network->device);
 243
 244                 err = network->driver->connect(network);
 245                 if (err < 0 && err != -EINPROGRESS)
 246                         return __connman_error_failed(msg);
 247         } else
 248                 network->connected = TRUE;
 249
 250         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 251 }
 252
 253 static DBusMessage *do_disconnect(DBusConnection *conn,
 254                                         DBusMessage *msg, void *data)
 255 {
 256         struct connman_network *network = data;
 257         int err;
 258
 259         DBG("conn %p", conn);
 260
 261         if (__connman_security_check_privilege(msg,
 262                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 263                 return __connman_error_permission_denied(msg);
 264
 265         if (network->connected == FALSE)
 266                 return __connman_error_failed(msg);
 267
 268         connman_element_unregister_children(&network->element);
 269
 270         connman_device_set_disconnected(network->device, TRUE);
 271
 272         if (network->driver && network->driver->disconnect) {
 273                 err = network->driver->disconnect(network);
 274                 if (err < 0 && err != -EINPROGRESS)
 275                         return __connman_error_failed(msg);
 276         } else
 277                 network->connected = FALSE;
 278
 279         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 280 }
 281
 282 static GDBusMethodTable network_methods[] = {
 283         { "GetProperties", "",   "a{sv}", get_properties },
 284         { "SetProperty",   "sv", "",      set_property   },
 285         { "Connect",       "",   "",      do_connect     },
 286         { "Disconnect",    "",   "",      do_disconnect  },
 287         { },
 288 };
 289
 290 static GDBusSignalTable network_signals[] = {
 291         { "PropertyChanged", "sv" },
 292         { },
 293 };
 294
 295 static DBusConnection *connection;
 296
 297 static void append_networks(struct connman_device *device,
 298                                                 DBusMessageIter *entry)
 299 {
 300         DBusMessageIter value, iter;
 301         const char *key = "Networks";
 302
 303         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 304
 305         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 306                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 307                                                                 &value);
 308
 309         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 310                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 311         __connman_element_list((struct connman_element *) device,
 312                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 313         dbus_message_iter_close_container(&value, &iter);
 314
 315         dbus_message_iter_close_container(entry, &value);
 316 }
 317
 318 static void emit_networks_signal(struct connman_device *device)
 319 {
 320         const char *path = connman_device_get_path(device);
 321         DBusMessage *signal;
 322         DBusMessageIter entry;
 323
 324         signal = dbus_message_new_signal(path,
 325                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 326         if (signal == NULL)
 327                 return;
 328
 329         dbus_message_iter_init_append(signal, &entry);
 330
 331         append_networks(device, &entry);
 332
 333         g_dbus_send_message(connection, signal);
 334 }
 335
 336 static int register_interface(struct connman_element *element)
 337 {
 338         struct connman_network *network = element->network;
 339
 340         DBG("element %p name %s", element, element->name);
 341
 342         if (g_dbus_register_interface(connection, element->path,
 343                                         CONNMAN_NETWORK_INTERFACE,
 344                                         network_methods, network_signals,
 345                                         NULL, network, NULL) == FALSE) {
 346                 connman_error("Failed to register %s network", element->path);
 347                 return -EIO;
 348         }
 349
 350         network->registered = TRUE;
 351
 352         emit_networks_signal(network->device);
 353
 354         return 0;
 355 }
 356
 357 static void unregister_interface(struct connman_element *element)
 358 {
 359         struct connman_network * network = element->network;
 360
 361         DBG("element %p name %s", element, element->name);
 362
 363         network->registered = FALSE;
 364
 365         emit_networks_signal(network->device);
 366
 367         g_dbus_unregister_interface(connection, element->path,
 368                                                 CONNMAN_NETWORK_INTERFACE);
 369 }
 370
 371 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 372 {
 373         if (network == NULL || network->driver == NULL)
 374                 return FALSE;
 375
 376         return network->registered;
 377 }
 378
 379 static GSList *driver_list = NULL;
 380
 381 static gint compare_priority(gconstpointer a, gconstpointer b)
 382 {
 383         const struct connman_network_driver *driver1 = a;
 384         const struct connman_network_driver *driver2 = b;
 385
 386         return driver2->priority - driver1->priority;
 387 }
 388
 389 /**
 390  * connman_network_driver_register:
 391  * @driver: network driver definition
 392  *
 393  * Register a new network driver
 394  *
 395  * Returns: %0 on success
 396  */
 397 int connman_network_driver_register(struct connman_network_driver *driver)
 398 {
 399         DBG("driver %p name %s", driver, driver->name);
 400
 401         driver_list = g_slist_insert_sorted(driver_list, driver,
 402                                                         compare_priority);
 403
 404         return 0;
 405 }
 406
 407 /**
 408  * connman_network_driver_unregister:
 409  * @driver: network driver definition
 410  *
 411  * Remove a previously registered network driver
 412  */
 413 void connman_network_driver_unregister(struct connman_network_driver *driver)
 414 {
 415         DBG("driver %p name %s", driver, driver->name);
 416
 417         driver_list = g_slist_remove(driver_list, driver);
 418 }
 419
 420 static void network_destruct(struct connman_element *element)
 421 {
 422         struct connman_network *network = element->network;
 423
 424         DBG("element %p name %s", element, element->name);
 425
 426         g_free(network->wifi.ssid);
 427         g_free(network->wifi.mode);
 428         g_free(network->wifi.security);
 429         g_free(network->wifi.passphrase);
 430
 431         g_free(network->node);
 432         g_free(network->name);
 433         g_free(network->identifier);
 434 }
 435
 436 /**
 437  * connman_network_create:
 438  * @identifier: network identifier (for example an unqiue name)
 439  *
 440  * Allocate a new network and assign the #identifier to it.
 441  *
 442  * Returns: a newly-allocated #connman_network structure
 443  */
 444 struct connman_network *connman_network_create(const char *identifier,
 445                                                 enum connman_network_type type)
 446 {
 447         struct connman_network *network;
 448         connman_uint8_t strength = 0;
 449         const char *str;
 450         char *temp;
 451         unsigned int i;
 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 = g_strdup(identifier);
 464         if (temp == NULL) {
 465                 g_free(network);
 466                 return NULL;
 467         }
 468
 469         for (i = 0; i < strlen(temp); i++) {
 470                 char tmp = temp[i];
 471                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 472                                                 (tmp < 'a' || tmp > 'z'))
 473                         temp[i] = '_';
 474         }
 475
 476         network->element.name = temp;
 477         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 478
 479         network->element.network = network;
 480         network->element.destruct = network_destruct;
 481
 482         str = type2string(type);
 483         if (str != NULL)
 484                 connman_element_set_static_property(&network->element,
 485                                         "Type", DBUS_TYPE_STRING, &str);
 486
 487         connman_element_set_static_property(&network->element,
 488                                         "Strength", DBUS_TYPE_BYTE, &strength);
 489
 490         network->type = type;
 491         network->identifier = g_strdup(identifier);
 492
 493         return network;
 494 }
 495
 496 /**
 497  * connman_network_ref:
 498  * @network: network structure
 499  *
 500  * Increase reference counter of  network
 501  */
 502 struct connman_network *connman_network_ref(struct connman_network *network)
 503 {
 504         if (connman_element_ref(&network->element) == NULL)
 505                 return NULL;
 506
 507         return network;
 508 }
 509
 510 /**
 511  * connman_network_unref:
 512  * @network: network structure
 513  *
 514  * Decrease reference counter of network
 515  */
 516 void connman_network_unref(struct connman_network *network)
 517 {
 518         connman_element_unref(&network->element);
 519 }
 520
 521 /**
 522  * connman_network_get_identifier:
 523  * @network: network structure
 524  *
 525  * Get identifier of network
 526  */
 527 const char *connman_network_get_identifier(struct connman_network *network)
 528 {
 529         return network->identifier;
 530 }
 531
 532 /**
 533  * connman_network_get_path:
 534  * @network: network structure
 535  *
 536  * Get path name of network
 537  */
 538 const char *connman_network_get_path(struct connman_network *network)
 539 {
 540         return network->element.path;
 541 }
 542
 543 /**
 544  * connman_network_set_index:
 545  * @network: network structure
 546  * @index: index number
 547  *
 548  * Set index number of network
 549  */
 550 void connman_network_set_index(struct connman_network *network, int index)
 551 {
 552         network->element.index = index;
 553 }
 554
 555 /**
 556  * connman_network_get_index:
 557  * @network: network structure
 558  *
 559  * Get index number of network
 560  */
 561 int connman_network_get_index(struct connman_network *network)
 562 {
 563         return network->element.index;
 564 }
 565
 566 /**
 567  * connman_network_set_protocol:
 568  * @network: network structure
 569  * @protocol: network protocol
 570  *
 571  * Change protocol of network
 572  */
 573 void connman_network_set_protocol(struct connman_network *network,
 574                                         enum connman_network_protocol protocol)
 575 {
 576         network->protocol = protocol;
 577 }
 578
 579 /**
 580  * connman_network_set_available:
 581  * @network: network structure
 582  * @available: availability state
 583  *
 584  * Change availability state of network (in range)
 585  */
 586 int connman_network_set_available(struct connman_network *network,
 587                                                 connman_bool_t available)
 588 {
 589         DBusMessage *signal;
 590         DBusMessageIter entry, value;
 591         const char *key = "Available";
 592
 593         DBG("network %p available %d", network, available);
 594
 595         if (network->available == available)
 596                 return -EALREADY;
 597
 598         network->available = available;
 599
 600         if (network->registered == FALSE)
 601                 return 0;
 602
 603         if (network->connected == TRUE)
 604                 return 0;
 605
 606         if (network->remember == FALSE)
 607                 return 0;
 608
 609         signal = dbus_message_new_signal(network->element.path,
 610                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 611         if (signal == NULL)
 612                 return 0;
 613
 614         dbus_message_iter_init_append(signal, &entry);
 615
 616         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 617
 618         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 619                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 620         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 621         dbus_message_iter_close_container(&entry, &value);
 622
 623         g_dbus_send_message(connection, signal);
 624
 625         return 0;
 626 }
 627
 628 /**
 629  * connman_network_get_available:
 630  * @network: network structure
 631  *
 632  * Get network available setting
 633  */
 634 connman_bool_t connman_network_get_available(struct connman_network *network)
 635 {
 636         return network->available;
 637 }
 638
 639 /**
 640  * connman_network_set_connected:
 641  * @network: network structure
 642  * @connected: connected state
 643  *
 644  * Change connected state of network
 645  */
 646 int connman_network_set_connected(struct connman_network *network,
 647                                                 connman_bool_t connected)
 648 {
 649         DBusMessage *signal;
 650         DBusMessageIter entry, value;
 651         const char *key = "Connected";
 652
 653         DBG("network %p connected %d", network, connected);
 654
 655         if (network->connected == connected)
 656                 return -EALREADY;
 657
 658         network->connected = connected;
 659
 660         if (network->registered == FALSE)
 661                 return 0;
 662
 663         signal = dbus_message_new_signal(network->element.path,
 664                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 665         if (signal == NULL)
 666                 return 0;
 667
 668         dbus_message_iter_init_append(signal, &entry);
 669
 670         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 671
 672         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 673                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 674         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 675         dbus_message_iter_close_container(&entry, &value);
 676
 677         g_dbus_send_message(connection, signal);
 678
 679         if (connected == TRUE) {
 680                 struct connman_element *element;
 681                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 682
 683                 switch (network->protocol) {
 684                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 685                         return 0;
 686                 case CONNMAN_NETWORK_PROTOCOL_IP:
 687                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 688                         break;
 689                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 690                         type = CONNMAN_ELEMENT_TYPE_PPP;
 691                         break;
 692                 }
 693
 694                 __connman_device_increase_connections(network->device);
 695
 696                 __connman_device_set_network(network->device, network);
 697
 698                 connman_device_set_disconnected(network->device, FALSE);
 699
 700                 element = connman_element_create(NULL);
 701                 if (element != NULL) {
 702                         element->type  = type;
 703                         element->index = network->element.index;
 704
 705                         if (connman_element_register(element,
 706                                                 &network->element) < 0)
 707                                 connman_element_unref(element);
 708                 }
 709         } else {
 710                 connman_element_unregister_children(&network->element);
 711
 712                 __connman_device_set_network(network->device, NULL);
 713
 714                 __connman_device_decrease_connections(network->device);
 715         }
 716
 717         return 0;
 718 }
 719
 720 /**
 721  * connman_network_get_connected:
 722  * @network: network structure
 723  *
 724  * Get network connection status
 725  */
 726 connman_bool_t connman_network_get_connected(struct connman_network *network)
 727 {
 728         return network->connected;
 729 }
 730
 731 /**
 732  * connman_network_set_remember:
 733  * @network: network structure
 734  * @remember: remember state
 735  *
 736  * Change remember state of network (known networks)
 737  */
 738 int connman_network_set_remember(struct connman_network *network,
 739                                                 connman_bool_t remember)
 740 {
 741         DBusMessage *signal;
 742         DBusMessageIter entry, value;
 743         const char *key = "Remember";
 744
 745         DBG("network %p remember %d", network, remember);
 746
 747         if (network->remember == remember)
 748                 return -EALREADY;
 749
 750         network->remember = remember;
 751
 752         if (network->registered == FALSE)
 753                 return 0;
 754
 755         signal = dbus_message_new_signal(network->element.path,
 756                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 757         if (signal == NULL)
 758                 return 0;
 759
 760         dbus_message_iter_init_append(signal, &entry);
 761
 762         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 763
 764         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 765                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 766         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 767         dbus_message_iter_close_container(&entry, &value);
 768
 769         g_dbus_send_message(connection, signal);
 770
 771         return 0;
 772 }
 773
 774 /**
 775  * connman_network_get_remember:
 776  * @network: network structure
 777  *
 778  * Get network remember setting
 779  */
 780 connman_bool_t connman_network_get_remember(struct connman_network *network)
 781 {
 782         return network->remember;
 783 }
 784
 785 /**
 786  * connman_network_connect:
 787  * @network: network structure
 788  *
 789  * Connect network
 790  */
 791 int connman_network_connect(struct connman_network *network)
 792 {
 793         if (network->connected == TRUE)
 794                 return -EALREADY;
 795
 796         if (network->driver && network->driver->connect)
 797                 return network->driver->connect(network);
 798
 799         network->connected = TRUE;
 800
 801         return 0;
 802 }
 803
 804 int __connman_network_disconnect(struct connman_network *network)
 805 {
 806         if (network->connected == FALSE)
 807                 return -ENOTCONN;
 808
 809         if (network->driver && network->driver->disconnect)
 810                 return network->driver->disconnect(network);
 811
 812         network->connected = FALSE;
 813
 814         return 0;
 815 }
 816
 817 /**
 818  * connman_network_set_string:
 819  * @network: network structure
 820  * @key: unique identifier
 821  * @value: string value
 822  *
 823  * Set string value for specific key
 824  */
 825 int connman_network_set_string(struct connman_network *network,
 826                                         const char *key, const char *value)
 827 {
 828         DBG("network %p key %s value %s", network, key, value);
 829
 830         if (g_str_equal(key, "Name") == TRUE) {
 831                 g_free(network->name);
 832                 network->name = g_strdup(value);
 833         } else if (g_str_equal(key, "Node") == TRUE) {
 834                 g_free(network->node);
 835                 network->node = g_strdup(value);
 836         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 837                 g_free(network->wifi.mode);
 838                 network->wifi.mode = g_strdup(value);
 839         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 840                 g_free(network->wifi.security);
 841                 network->wifi.security = g_strdup(value);
 842         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 843                 g_free(network->wifi.passphrase);
 844                 network->wifi.passphrase = g_strdup(value);
 845         }
 846
 847         return 0;
 848 }
 849
 850 /**
 851  * connman_network_get_string:
 852  * @network: network structure
 853  * @key: unique identifier
 854  *
 855  * Get string value for specific key
 856  */
 857 const char *connman_network_get_string(struct connman_network *network,
 858                                                         const char *key)
 859 {
 860         DBG("network %p key %s", network, key);
 861
 862         if (g_str_equal(key, "Name") == TRUE)
 863                 return network->name;
 864         else if (g_str_equal(key, "Node") == TRUE)
 865                 return network->node;
 866         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 867                 return network->wifi.mode;
 868         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 869                 return network->wifi.security;
 870         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 871                 return network->wifi.passphrase;
 872
 873         return NULL;
 874 }
 875
 876 /**
 877  * connman_network_set_uint8:
 878  * @network: network structure
 879  * @key: unique identifier
 880  * @value: integer value
 881  *
 882  * Set integer value for specific key
 883  */
 884 int connman_network_set_uint8(struct connman_network *network,
 885                                         const char *key, connman_uint8_t value)
 886 {
 887         DBG("network %p key %s value %d", network, key, value);
 888
 889         if (g_str_equal(key, "Priority") == TRUE)
 890                 network->priority = value;
 891         else if (g_str_equal(key, "Strength") == TRUE) {
 892                 network->strength = value;
 893                 connman_element_set_static_property(&network->element,
 894                                         "Strength", DBUS_TYPE_BYTE, &value);
 895         }
 896
 897         return 0;
 898 }
 899
 900 /**
 901  * connman_network_get_uint8:
 902  * @network: network structure
 903  * @key: unique identifier
 904  *
 905  * Get integer value for specific key
 906  */
 907 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 908                                                         const char *key)
 909 {
 910         DBG("network %p key %s", network, key);
 911
 912         if (g_str_equal(key, "Priority") == TRUE)
 913                 return network->priority;
 914         else if (g_str_equal(key, "Strength") == TRUE)
 915                 return network->strength;
 916
 917         return 0;
 918 }
 919
 920 /**
 921  * connman_network_set_blob:
 922  * @network: network structure
 923  * @key: unique identifier
 924  * @data: blob data
 925  * @size: blob size
 926  *
 927  * Set binary blob value for specific key
 928  */
 929 int connman_network_set_blob(struct connman_network *network,
 930                         const char *key, const void *data, unsigned int size)
 931 {
 932         DBG("network %p key %s size %d", network, key, size);
 933
 934         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 935                 g_free(network->wifi.ssid);
 936                 network->wifi.ssid = g_try_malloc(size);
 937                 if (network->wifi.ssid != NULL) {
 938                         memcpy(network->wifi.ssid, data, size);
 939                         network->wifi.ssid_len = size;
 940                 } else
 941                         network->wifi.ssid_len = 0;
 942         }
 943
 944         return 0;
 945 }
 946
 947 /**
 948  * connman_network_get_blob:
 949  * @network: network structure
 950  * @key: unique identifier
 951  * @size: pointer to blob size
 952  *
 953  * Get binary blob value for specific key
 954  */
 955 const void *connman_network_get_blob(struct connman_network *network,
 956                                         const char *key, unsigned int *size)
 957 {
 958         DBG("network %p key %s", network, key);
 959
 960         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 961                 if (size != NULL)
 962                         *size = network->wifi.ssid_len;
 963                 return network->wifi.ssid;
 964         }
 965
 966         return NULL;
 967 }
 968
 969 void __connman_network_set_device(struct connman_network *network,
 970                                         struct connman_device *device)
 971 {
 972         network->device = device;
 973 }
 974
 975 /**
 976  * connman_network_get_device:
 977  * @network: network structure
 978  *
 979  * Get parent device of network
 980  */
 981 struct connman_device *connman_network_get_device(struct connman_network *network)
 982 {
 983         return network->device;
 984 }
 985
 986 /**
 987  * connman_network_get_data:
 988  * @network: network structure
 989  *
 990  * Get private network data pointer
 991  */
 992 void *connman_network_get_data(struct connman_network *network)
 993 {
 994         return network->driver_data;
 995 }
 996
 997 /**
 998  * connman_network_set_data:
 999  * @network: network structure
1000  * @data: data pointer
1001  *
1002  * Set private network data pointer
1003  */
1004 void connman_network_set_data(struct connman_network *network, void *data)
1005 {
1006         network->driver_data = data;
1007 }
1008
1009 static gboolean match_driver(struct connman_network *network,
1010                                         struct connman_network_driver *driver)
1011 {
1012         if (network->type == driver->type ||
1013                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1014                 return TRUE;
1015
1016         return FALSE;
1017 }
1018
1019 static int network_probe(struct connman_element *element)
1020 {
1021         struct connman_network *network = element->network;
1022         GSList *list;
1023         int err;
1024
1025         DBG("element %p name %s", element, element->name);
1026
1027         if (network == NULL)
1028                 return -ENODEV;
1029
1030         for (list = driver_list; list; list = list->next) {
1031                 struct connman_network_driver *driver = list->data;
1032
1033                 if (match_driver(network, driver) == FALSE)
1034                         continue;
1035
1036                 DBG("driver %p name %s", driver, driver->name);
1037
1038                 if (driver->probe(network) == 0) {
1039                         network->driver = driver;
1040                         break;
1041                 }
1042         }
1043
1044         if (network->driver == NULL)
1045                 return -ENODEV;
1046
1047         err = register_interface(element);
1048         if (err < 0) {
1049                 if (network->driver->remove)
1050                         network->driver->remove(network);
1051                 return err;
1052         }
1053
1054         return 0;
1055 }
1056
1057 static void network_remove(struct connman_element *element)
1058 {
1059         struct connman_network *network = element->network;
1060
1061         DBG("element %p name %s", element, element->name);
1062
1063         if (network == NULL)
1064                 return;
1065
1066         if (network->driver == NULL)
1067                 return;
1068
1069         unregister_interface(element);
1070
1071         if (network->driver->remove)
1072                 network->driver->remove(network);
1073 }
1074
1075 static struct connman_driver network_driver = {
1076         .name           = "network",
1077         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1078         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1079         .probe          = network_probe,
1080         .remove         = network_remove,
1081 };
1082
1083 static int network_init(struct connman_device *device)
1084 {
1085         DBG("device %p", device);
1086
1087         return 0;
1088 }
1089
1090 static int network_load(struct connman_network *network)
1091 {
1092         GKeyFile *keyfile;
1093         gchar *pathname, *data = NULL;
1094         gsize length;
1095         const char *name;
1096         int val;
1097
1098         DBG("network %p", network);
1099
1100         name = connman_device_get_name(network->device);
1101         if (name == NULL)
1102                 return -EINVAL;
1103
1104         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1105         if (pathname == NULL)
1106                 return -ENOMEM;
1107
1108         keyfile = g_key_file_new();
1109
1110         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1111                 g_free(pathname);
1112                 return -ENOENT;
1113         }
1114
1115         g_free(pathname);
1116
1117         if (g_key_file_load_from_data(keyfile, data, length,
1118                                                         0, NULL) == FALSE) {
1119                 g_free(data);
1120                 return -EILSEQ;
1121         }
1122
1123         g_free(data);
1124
1125         network->remember = g_key_file_get_boolean(keyfile,
1126                                         network->identifier, "Remember", NULL);
1127
1128         val = g_key_file_get_integer(keyfile, network->identifier,
1129                                                         "Priority", NULL);
1130         if (val > 0)
1131                 network->priority = val;
1132
1133         g_free(network->wifi.security);
1134         network->wifi.security = g_key_file_get_string(keyfile,
1135                                 network->identifier, "WiFi.Security", NULL);
1136
1137         g_free(network->wifi.passphrase);
1138         network->wifi.passphrase = g_key_file_get_string(keyfile,
1139                                 network->identifier, "WiFi.Passphrase", NULL);
1140
1141         g_key_file_free(keyfile);
1142
1143         return 0;
1144 }
1145
1146 static int network_save(struct connman_network *network)
1147 {
1148         GKeyFile *keyfile;
1149         gchar *pathname, *data = NULL;
1150         gsize length;
1151         const char *name;
1152
1153         DBG("network %p", network);
1154
1155         name = connman_device_get_name(network->device);
1156         if (name == NULL)
1157                 return -EINVAL;
1158
1159         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1160         if (pathname == NULL)
1161                 return -ENOMEM;
1162
1163         keyfile = g_key_file_new();
1164
1165         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1166                 goto update;
1167
1168         if (length > 0) {
1169                 if (g_key_file_load_from_data(keyfile, data, length,
1170                                                         0, NULL) == FALSE)
1171                         goto done;
1172         }
1173
1174         g_free(data);
1175
1176 update:
1177         g_key_file_set_boolean(keyfile, network->identifier,
1178                                         "Remember", network->remember);
1179
1180         if (network->priority > 0)
1181                 g_key_file_set_integer(keyfile, network->identifier,
1182                                                 "Priority", network->priority);
1183
1184         if (network->remember == TRUE || network->connected == TRUE) {
1185                 if (network->wifi.security != NULL)
1186                         g_key_file_set_string(keyfile, network->identifier,
1187                                 "WiFi.Security", network->wifi.security);
1188
1189                 if (network->wifi.passphrase != NULL)
1190                         g_key_file_set_string(keyfile, network->identifier,
1191                                 "WiFi.Passphrase", network->wifi.passphrase);
1192         }
1193
1194         data = g_key_file_to_data(keyfile, &length, NULL);
1195
1196         g_file_set_contents(pathname, data, length, NULL);
1197
1198 done:
1199         g_free(data);
1200
1201         g_key_file_free(keyfile);
1202
1203         g_free(pathname);
1204
1205         return 0;
1206 }
1207
1208 static struct connman_storage network_storage = {
1209         .name           = "network",
1210         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1211         .network_init   = network_init,
1212         .network_load   = network_load,
1213         .network_save   = network_save,
1214 };
1215
1216 int __connman_network_init(void)
1217 {
1218         DBG("");
1219
1220         connection = connman_dbus_get_connection();
1221
1222         if (connman_storage_register(&network_storage) < 0)
1223                 connman_error("Failed to register network storage");
1224
1225         return connman_driver_register(&network_driver);
1226 }
1227
1228 void __connman_network_cleanup(void)
1229 {
1230         DBG("");
1231
1232         connman_driver_unregister(&network_driver);
1233
1234         connman_storage_unregister(&network_storage);
1235
1236         dbus_connection_unref(connection);
1237 }