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_BLUETOOTH_PAN:
  70         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  71                 return "bluetooth";
  72         case CONNMAN_NETWORK_TYPE_HSO:
  73                 return "cellular";
  74         }
  75
  76         return NULL;
  77 }
  78
  79 static DBusMessage *get_properties(DBusConnection *conn,
  80                                         DBusMessage *msg, void *data)
  81 {
  82         struct connman_network *network = data;
  83         DBusMessage *reply;
  84         DBusMessageIter array, dict;
  85
  86         DBG("conn %p", conn);
  87
  88         if (__connman_security_check_privilege(msg,
  89                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  90                 return __connman_error_permission_denied(msg);
  91
  92         reply = dbus_message_new_method_return(msg);
  93         if (reply == NULL)
  94                 return NULL;
  95
  96         dbus_message_iter_init_append(reply, &array);
  97
  98         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
  99                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 100                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 101                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 102
 103         if (network->device) {
 104                 const char *path = connman_device_get_path(network->device);
 105                 if (path != NULL)
 106                         connman_dbus_dict_append_variant(&dict, "Device",
 107                                                 DBUS_TYPE_OBJECT_PATH, &path);
 108         }
 109
 110         if (network->name != NULL)
 111                 connman_dbus_dict_append_variant(&dict, "Name",
 112                                         DBUS_TYPE_STRING, &network->name);
 113
 114         connman_dbus_dict_append_variant(&dict, "Available",
 115                                 DBUS_TYPE_BOOLEAN, &network->available);
 116
 117         connman_dbus_dict_append_variant(&dict, "Connected",
 118                                 DBUS_TYPE_BOOLEAN, &network->connected);
 119
 120         connman_dbus_dict_append_variant(&dict, "Remember",
 121                                 DBUS_TYPE_BOOLEAN, &network->remember);
 122
 123         if (network->priority > 0)
 124                 connman_dbus_dict_append_variant(&dict, "Priority",
 125                                         DBUS_TYPE_BYTE, &network->priority);
 126
 127         if (network->strength > 0)
 128                 connman_dbus_dict_append_variant(&dict, "Strength",
 129                                         DBUS_TYPE_BYTE, &network->strength);
 130
 131         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 132                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 133                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 134                                                 network->wifi.ssid_len);
 135
 136         if (network->wifi.mode != NULL)
 137                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 138                                 DBUS_TYPE_STRING, &network->wifi.mode);
 139
 140         if (network->wifi.security != NULL)
 141                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 142                                 DBUS_TYPE_STRING, &network->wifi.security);
 143
 144         if (network->wifi.passphrase != NULL &&
 145                         __connman_security_check_privilege(msg,
 146                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 147                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 148                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 149
 150         dbus_message_iter_close_container(&array, &dict);
 151
 152         return reply;
 153 }
 154
 155 static DBusMessage *set_property(DBusConnection *conn,
 156                                         DBusMessage *msg, void *data)
 157 {
 158         struct connman_network *network = data;
 159         DBusMessageIter iter, value;
 160         const char *name;
 161
 162         DBG("conn %p", conn);
 163
 164         if (dbus_message_iter_init(msg, &iter) == FALSE)
 165                 return __connman_error_invalid_arguments(msg);
 166
 167         dbus_message_iter_get_basic(&iter, &name);
 168         dbus_message_iter_next(&iter);
 169         dbus_message_iter_recurse(&iter, &value);
 170
 171         if (__connman_security_check_privilege(msg,
 172                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 173                 return __connman_error_permission_denied(msg);
 174
 175         if (g_str_equal(name, "Remember") == TRUE) {
 176                 connman_bool_t remember;
 177
 178                 dbus_message_iter_get_basic(&value, &remember);
 179
 180                 if (network->remember == remember)
 181                         return __connman_error_invalid_arguments(msg);
 182
 183                 network->remember = remember;
 184         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 185                 const char *passphrase;
 186
 187                 if (__connman_security_check_privilege(msg,
 188                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 189                         return __connman_error_permission_denied(msg);
 190
 191                 dbus_message_iter_get_basic(&value, &passphrase);
 192
 193                 g_free(network->wifi.passphrase);
 194                 network->wifi.passphrase = g_strdup(passphrase);
 195         } else if (g_str_equal(name, "Priority") == TRUE) {
 196                 connman_uint8_t priority;
 197
 198                 dbus_message_iter_get_basic(&value, &priority);
 199
 200                 network->priority = priority;
 201         }
 202
 203         __connman_storage_save_network(network);
 204
 205         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 206 }
 207
 208 static DBusMessage *do_connect(DBusConnection *conn,
 209                                         DBusMessage *msg, void *data)
 210 {
 211         struct connman_network *network = data;
 212         int err;
 213
 214         DBG("conn %p", conn);
 215
 216         if (__connman_security_check_privilege(msg,
 217                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 218                 return __connman_error_permission_denied(msg);
 219
 220         if (network->connected == TRUE)
 221                 return __connman_error_failed(msg);
 222
 223         if (network->driver && network->driver->connect) {
 224                 err = network->driver->connect(network);
 225                 if (err < 0 && err != -EINPROGRESS)
 226                         return __connman_error_failed(msg);
 227         } else
 228                 network->connected = TRUE;
 229
 230         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 231 }
 232
 233 static DBusMessage *do_disconnect(DBusConnection *conn,
 234                                         DBusMessage *msg, void *data)
 235 {
 236         struct connman_network *network = data;
 237         int err;
 238
 239         DBG("conn %p", conn);
 240
 241         if (__connman_security_check_privilege(msg,
 242                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 243                 return __connman_error_permission_denied(msg);
 244
 245         if (network->connected == FALSE)
 246                 return __connman_error_failed(msg);
 247
 248         connman_element_unregister_children(&network->element);
 249
 250         if (network->driver && network->driver->disconnect) {
 251                 err = network->driver->disconnect(network);
 252                 if (err < 0 && err != -EINPROGRESS)
 253                         return __connman_error_failed(msg);
 254         } else
 255                 network->connected = FALSE;
 256
 257         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 258 }
 259
 260 static GDBusMethodTable network_methods[] = {
 261         { "GetProperties", "",   "a{sv}", get_properties },
 262         { "SetProperty",   "sv", "",      set_property   },
 263         { "Connect",       "",   "",      do_connect     },
 264         { "Disconnect",    "",   "",      do_disconnect  },
 265         { },
 266 };
 267
 268 static GDBusSignalTable network_signals[] = {
 269         { "PropertyChanged", "sv" },
 270         { },
 271 };
 272
 273 static DBusConnection *connection;
 274
 275 static void append_networks(struct connman_device *device,
 276                                                 DBusMessageIter *entry)
 277 {
 278         DBusMessageIter value, iter;
 279         const char *key = "Networks";
 280
 281         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 282
 283         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 284                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 285                                                                 &value);
 286
 287         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 288                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 289         __connman_element_list((struct connman_element *) device,
 290                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 291         dbus_message_iter_close_container(&value, &iter);
 292
 293         dbus_message_iter_close_container(entry, &value);
 294 }
 295
 296 static void emit_networks_signal(struct connman_device *device)
 297 {
 298         const char *path = connman_device_get_path(device);
 299         DBusMessage *signal;
 300         DBusMessageIter entry;
 301
 302         signal = dbus_message_new_signal(path,
 303                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 304         if (signal == NULL)
 305                 return;
 306
 307         dbus_message_iter_init_append(signal, &entry);
 308
 309         append_networks(device, &entry);
 310
 311         g_dbus_send_message(connection, signal);
 312 }
 313
 314 static int register_interface(struct connman_element *element)
 315 {
 316         struct connman_network *network = element->network;
 317
 318         DBG("element %p name %s", element, element->name);
 319
 320         if (g_dbus_register_interface(connection, element->path,
 321                                         CONNMAN_NETWORK_INTERFACE,
 322                                         network_methods, network_signals,
 323                                         NULL, network, NULL) == FALSE) {
 324                 connman_error("Failed to register %s network", element->path);
 325                 return -EIO;
 326         }
 327
 328         network->registered = TRUE;
 329
 330         emit_networks_signal(network->device);
 331
 332         return 0;
 333 }
 334
 335 static void unregister_interface(struct connman_element *element)
 336 {
 337         struct connman_network * network = element->network;
 338
 339         DBG("element %p name %s", element, element->name);
 340
 341         network->registered = FALSE;
 342
 343         emit_networks_signal(network->device);
 344
 345         g_dbus_unregister_interface(connection, element->path,
 346                                                 CONNMAN_NETWORK_INTERFACE);
 347 }
 348
 349 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 350 {
 351         if (network == NULL || network->driver == NULL)
 352                 return FALSE;
 353
 354         return network->registered;
 355 }
 356
 357 static GSList *driver_list = NULL;
 358
 359 static gint compare_priority(gconstpointer a, gconstpointer b)
 360 {
 361         const struct connman_network_driver *driver1 = a;
 362         const struct connman_network_driver *driver2 = b;
 363
 364         return driver2->priority - driver1->priority;
 365 }
 366
 367 /**
 368  * connman_network_driver_register:
 369  * @driver: network driver definition
 370  *
 371  * Register a new network driver
 372  *
 373  * Returns: %0 on success
 374  */
 375 int connman_network_driver_register(struct connman_network_driver *driver)
 376 {
 377         DBG("driver %p name %s", driver, driver->name);
 378
 379         driver_list = g_slist_insert_sorted(driver_list, driver,
 380                                                         compare_priority);
 381
 382         return 0;
 383 }
 384
 385 /**
 386  * connman_network_driver_unregister:
 387  * @driver: network driver definition
 388  *
 389  * Remove a previously registered network driver
 390  */
 391 void connman_network_driver_unregister(struct connman_network_driver *driver)
 392 {
 393         DBG("driver %p name %s", driver, driver->name);
 394
 395         driver_list = g_slist_remove(driver_list, driver);
 396 }
 397
 398 static void network_destruct(struct connman_element *element)
 399 {
 400         struct connman_network *network = element->network;
 401
 402         DBG("element %p name %s", element, element->name);
 403
 404         g_free(network->wifi.ssid);
 405         g_free(network->wifi.mode);
 406         g_free(network->wifi.security);
 407         g_free(network->wifi.passphrase);
 408
 409         g_free(network->node);
 410         g_free(network->name);
 411         g_free(network->identifier);
 412 }
 413
 414 /**
 415  * connman_network_create:
 416  * @identifier: network identifier (for example an unqiue name)
 417  *
 418  * Allocate a new network and assign the #identifier to it.
 419  *
 420  * Returns: a newly-allocated #connman_network structure
 421  */
 422 struct connman_network *connman_network_create(const char *identifier,
 423                                                 enum connman_network_type type)
 424 {
 425         struct connman_network *network;
 426         connman_uint8_t strength = 0;
 427         const char *str;
 428
 429         DBG("identifier %s type %d", identifier, type);
 430
 431         network = g_try_new0(struct connman_network, 1);
 432         if (network == NULL)
 433                 return NULL;
 434
 435         DBG("network %p", network);
 436
 437         __connman_element_initialize(&network->element);
 438
 439         network->element.name = g_strdup(identifier);
 440         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 441
 442         network->element.network = network;
 443         network->element.destruct = network_destruct;
 444
 445         str = type2string(type);
 446         if (str != NULL)
 447                 connman_element_add_static_property(&network->element,
 448                                         "Type", DBUS_TYPE_STRING, &str);
 449
 450         connman_element_add_static_property(&network->element,
 451                                         "Strength", DBUS_TYPE_BYTE, &strength);
 452
 453         network->type = type;
 454         network->identifier = g_strdup(identifier);
 455
 456         return network;
 457 }
 458
 459 /**
 460  * connman_network_ref:
 461  * @network: network structure
 462  *
 463  * Increase reference counter of  network
 464  */
 465 struct connman_network *connman_network_ref(struct connman_network *network)
 466 {
 467         if (connman_element_ref(&network->element) == NULL)
 468                 return NULL;
 469
 470         return network;
 471 }
 472
 473 /**
 474  * connman_network_unref:
 475  * @network: network structure
 476  *
 477  * Decrease reference counter of network
 478  */
 479 void connman_network_unref(struct connman_network *network)
 480 {
 481         connman_element_unref(&network->element);
 482 }
 483
 484 /**
 485  * connman_network_get_identifier:
 486  * @network: network structure
 487  *
 488  * Get identifier of network
 489  */
 490 const char *connman_network_get_identifier(struct connman_network *network)
 491 {
 492         return network->identifier;
 493 }
 494
 495 /**
 496  * connman_network_get_path:
 497  * @network: network structure
 498  *
 499  * Get path name of network
 500  */
 501 const char *connman_network_get_path(struct connman_network *network)
 502 {
 503         return network->element.path;
 504 }
 505
 506 /**
 507  * connman_network_set_index:
 508  * @network: network structure
 509  * @index: index number
 510  *
 511  * Set index number of network
 512  */
 513 void connman_network_set_index(struct connman_network *network, int index)
 514 {
 515         network->element.index = index;
 516 }
 517
 518 /**
 519  * connman_network_get_index:
 520  * @network: network structure
 521  *
 522  * Get index number of network
 523  */
 524 int connman_network_get_index(struct connman_network *network)
 525 {
 526         return network->element.index;
 527 }
 528
 529 /**
 530  * connman_network_set_protocol:
 531  * @network: network structure
 532  * @protocol: network protocol
 533  *
 534  * Change protocol of network
 535  */
 536 void connman_network_set_protocol(struct connman_network *network,
 537                                         enum connman_network_protocol protocol)
 538 {
 539         network->protocol = protocol;
 540 }
 541
 542 /**
 543  * connman_network_set_available:
 544  * @network: network structure
 545  * @available: availability state
 546  *
 547  * Change availability state of network (in range)
 548  */
 549 int connman_network_set_available(struct connman_network *network,
 550                                                 connman_bool_t available)
 551 {
 552         DBusMessage *signal;
 553         DBusMessageIter entry, value;
 554         const char *key = "Available";
 555
 556         DBG("network %p available %d", network, available);
 557
 558         if (network->available == available)
 559                 return -EALREADY;
 560
 561         network->available = available;
 562
 563         if (network->registered == FALSE)
 564                 return 0;
 565
 566         if (network->connected == FALSE && network->remember == FALSE)
 567                 return 0;
 568
 569         signal = dbus_message_new_signal(network->element.path,
 570                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 571         if (signal == NULL)
 572                 return 0;
 573
 574         dbus_message_iter_init_append(signal, &entry);
 575
 576         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 577
 578         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 579                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 580         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 581         dbus_message_iter_close_container(&entry, &value);
 582
 583         g_dbus_send_message(connection, signal);
 584
 585         return 0;
 586 }
 587
 588 /**
 589  * connman_network_get_available:
 590  * @network: network structure
 591  *
 592  * Get network available setting
 593  */
 594 connman_bool_t connman_network_get_available(struct connman_network *network)
 595 {
 596         return network->available;
 597 }
 598
 599 /**
 600  * connman_network_set_connected:
 601  * @network: network structure
 602  * @connected: connected state
 603  *
 604  * Change connected state of network
 605  */
 606 int connman_network_set_connected(struct connman_network *network,
 607                                                 connman_bool_t connected)
 608 {
 609         DBusMessage *signal;
 610         DBusMessageIter entry, value;
 611         const char *key = "Connected";
 612
 613         DBG("network %p connected %d", network, connected);
 614
 615         if (network->connected == connected)
 616                 return -EALREADY;
 617
 618         network->connected = connected;
 619
 620         if (network->registered == FALSE)
 621                 return 0;
 622
 623         signal = dbus_message_new_signal(network->element.path,
 624                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 625         if (signal == NULL)
 626                 return 0;
 627
 628         dbus_message_iter_init_append(signal, &entry);
 629
 630         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 631
 632         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 633                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 634         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 635         dbus_message_iter_close_container(&entry, &value);
 636
 637         g_dbus_send_message(connection, signal);
 638
 639         if (connected == TRUE) {
 640                 struct connman_element *element;
 641                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 642
 643                 switch (network->protocol) {
 644                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 645                         return 0;
 646                 case CONNMAN_NETWORK_PROTOCOL_IP:
 647                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 648                         break;
 649                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 650                         type = CONNMAN_ELEMENT_TYPE_PPP;
 651                         break;
 652                 }
 653
 654                 __connman_device_increase_connections(network->device);
 655
 656                 element = connman_element_create(NULL);
 657                 if (element != NULL) {
 658                         element->type  = type;
 659                         element->index = network->element.index;
 660
 661                         if (connman_element_register(element,
 662                                                 &network->element) < 0)
 663                                 connman_element_unref(element);
 664                 }
 665         } else {
 666                 connman_element_unregister_children(&network->element);
 667
 668                 __connman_device_decrease_connections(network->device);
 669         }
 670
 671         return 0;
 672 }
 673
 674 /**
 675  * connman_network_set_remember:
 676  * @network: network structure
 677  * @remember: remember state
 678  *
 679  * Change remember state of network (known networks)
 680  */
 681 int connman_network_set_remember(struct connman_network *network,
 682                                                 connman_bool_t remember)
 683 {
 684         DBusMessage *signal;
 685         DBusMessageIter entry, value;
 686         const char *key = "Remember";
 687
 688         DBG("network %p remember %d", network, remember);
 689
 690         if (network->remember == remember)
 691                 return -EALREADY;
 692
 693         network->remember = remember;
 694
 695         if (network->registered == FALSE)
 696                 return 0;
 697
 698         signal = dbus_message_new_signal(network->element.path,
 699                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 700         if (signal == NULL)
 701                 return 0;
 702
 703         dbus_message_iter_init_append(signal, &entry);
 704
 705         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 706
 707         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 708                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 709         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 710         dbus_message_iter_close_container(&entry, &value);
 711
 712         g_dbus_send_message(connection, signal);
 713
 714         return 0;
 715 }
 716
 717 /**
 718  * connman_network_get_remember:
 719  * @network: network structure
 720  *
 721  * Get network remember setting
 722  */
 723 connman_bool_t connman_network_get_remember(struct connman_network *network)
 724 {
 725         return network->remember;
 726 }
 727
 728 /**
 729  * connman_network_connect:
 730  * @network: network structure
 731  *
 732  * Connect network
 733  */
 734 int connman_network_connect(struct connman_network *network)
 735 {
 736         if (network->connected == TRUE)
 737                 return -EALREADY;
 738
 739         if (network->driver && network->driver->connect)
 740                 return network->driver->connect(network);
 741
 742         network->connected = TRUE;
 743
 744         return 0;
 745 }
 746
 747 /**
 748  * connman_network_set_string:
 749  * @network: network structure
 750  * @key: unique identifier
 751  * @value: string value
 752  *
 753  * Set string value for specific key
 754  */
 755 int connman_network_set_string(struct connman_network *network,
 756                                         const char *key, const char *value)
 757 {
 758         DBG("network %p key %s value %s", network, key, value);
 759
 760         if (g_str_equal(key, "Name") == TRUE) {
 761                 g_free(network->name);
 762                 network->name = g_strdup(value);
 763         } else if (g_str_equal(key, "Node") == TRUE) {
 764                 g_free(network->node);
 765                 network->node = g_strdup(value);
 766         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 767                 g_free(network->wifi.mode);
 768                 network->wifi.mode = g_strdup(value);
 769         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 770                 g_free(network->wifi.security);
 771                 network->wifi.security = g_strdup(value);
 772         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 773                 g_free(network->wifi.passphrase);
 774                 network->wifi.passphrase = g_strdup(value);
 775         }
 776
 777         return 0;
 778 }
 779
 780 /**
 781  * connman_network_get_string:
 782  * @network: network structure
 783  * @key: unique identifier
 784  *
 785  * Get string value for specific key
 786  */
 787 const char *connman_network_get_string(struct connman_network *network,
 788                                                         const char *key)
 789 {
 790         DBG("network %p key %s", network, key);
 791
 792         if (g_str_equal(key, "Name") == TRUE)
 793                 return network->name;
 794         else if (g_str_equal(key, "Node") == TRUE)
 795                 return network->node;
 796         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 797                 return network->wifi.mode;
 798         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 799                 return network->wifi.security;
 800         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 801                 return network->wifi.passphrase;
 802
 803         return NULL;
 804 }
 805
 806 /**
 807  * connman_network_set_uint8:
 808  * @network: network structure
 809  * @key: unique identifier
 810  * @value: integer value
 811  *
 812  * Set integer value for specific key
 813  */
 814 int connman_network_set_uint8(struct connman_network *network,
 815                                         const char *key, connman_uint8_t value)
 816 {
 817         DBG("network %p key %s value %d", network, key, value);
 818
 819         if (g_str_equal(key, "Priority") == TRUE)
 820                 network->priority = value;
 821         else if (g_str_equal(key, "Strength") == TRUE) {
 822                 network->strength = value;
 823                 connman_element_set_static_property(&network->element,
 824                                         "Strength", DBUS_TYPE_BYTE, &value);
 825         }
 826
 827         return 0;
 828 }
 829
 830 /**
 831  * connman_network_get_uint8:
 832  * @network: network structure
 833  * @key: unique identifier
 834  *
 835  * Get integer value for specific key
 836  */
 837 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 838                                                         const char *key)
 839 {
 840         DBG("network %p key %s", network, key);
 841
 842         if (g_str_equal(key, "Priority") == TRUE)
 843                 return network->priority;
 844         else if (g_str_equal(key, "Strength") == TRUE)
 845                 return network->strength;
 846
 847         return 0;
 848 }
 849
 850 /**
 851  * connman_network_set_blob:
 852  * @network: network structure
 853  * @key: unique identifier
 854  * @data: blob data
 855  * @size: blob size
 856  *
 857  * Set binary blob value for specific key
 858  */
 859 int connman_network_set_blob(struct connman_network *network,
 860                         const char *key, const void *data, unsigned int size)
 861 {
 862         DBG("network %p key %s size %d", network, key, size);
 863
 864         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 865                 g_free(network->wifi.ssid);
 866                 network->wifi.ssid = g_try_malloc(size);
 867                 if (network->wifi.ssid != NULL) {
 868                         memcpy(network->wifi.ssid, data, size);
 869                         network->wifi.ssid_len = size;
 870                 } else
 871                         network->wifi.ssid_len = 0;
 872         }
 873
 874         return 0;
 875 }
 876
 877 /**
 878  * connman_network_get_blob:
 879  * @network: network structure
 880  * @key: unique identifier
 881  * @size: pointer to blob size
 882  *
 883  * Get binary blob value for specific key
 884  */
 885 const void *connman_network_get_blob(struct connman_network *network,
 886                                         const char *key, unsigned int *size)
 887 {
 888         DBG("network %p key %s", network, key);
 889
 890         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 891                 if (size != NULL)
 892                         *size = network->wifi.ssid_len;
 893                 return network->wifi.ssid;
 894         }
 895
 896         return NULL;
 897 }
 898
 899 void __connman_network_set_device(struct connman_network *network,
 900                                         struct connman_device *device)
 901 {
 902         network->device = device;
 903 }
 904
 905 /**
 906  * connman_network_get_device:
 907  * @network: network structure
 908  *
 909  * Get parent device of network
 910  */
 911 struct connman_device *connman_network_get_device(struct connman_network *network)
 912 {
 913         return network->device;
 914 }
 915
 916 /**
 917  * connman_network_get_data:
 918  * @network: network structure
 919  *
 920  * Get private network data pointer
 921  */
 922 void *connman_network_get_data(struct connman_network *network)
 923 {
 924         return network->driver_data;
 925 }
 926
 927 /**
 928  * connman_network_set_data:
 929  * @network: network structure
 930  * @data: data pointer
 931  *
 932  * Set private network data pointer
 933  */
 934 void connman_network_set_data(struct connman_network *network, void *data)
 935 {
 936         network->driver_data = data;
 937 }
 938
 939 static gboolean match_driver(struct connman_network *network,
 940                                         struct connman_network_driver *driver)
 941 {
 942         if (network->type == driver->type ||
 943                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
 944                 return TRUE;
 945
 946         return FALSE;
 947 }
 948
 949 static int network_probe(struct connman_element *element)
 950 {
 951         struct connman_network *network = element->network;
 952         GSList *list;
 953         int err;
 954
 955         DBG("element %p name %s", element, element->name);
 956
 957         if (network == NULL)
 958                 return -ENODEV;
 959
 960         for (list = driver_list; list; list = list->next) {
 961                 struct connman_network_driver *driver = list->data;
 962
 963                 if (match_driver(network, driver) == FALSE)
 964                         continue;
 965
 966                 DBG("driver %p name %s", driver, driver->name);
 967
 968                 if (driver->probe(network) == 0) {
 969                         network->driver = driver;
 970                         break;
 971                 }
 972         }
 973
 974         if (network->driver == NULL)
 975                 return -ENODEV;
 976
 977         err = register_interface(element);
 978         if (err < 0) {
 979                 if (network->driver->remove)
 980                         network->driver->remove(network);
 981                 return err;
 982         }
 983
 984         return 0;
 985 }
 986
 987 static void network_remove(struct connman_element *element)
 988 {
 989         struct connman_network *network = element->network;
 990
 991         DBG("element %p name %s", element, element->name);
 992
 993         if (network == NULL)
 994                 return;
 995
 996         if (network->driver == NULL)
 997                 return;
 998
 999         unregister_interface(element);
1000
1001         if (network->driver->remove)
1002                 network->driver->remove(network);
1003 }
1004
1005 static struct connman_driver network_driver = {
1006         .name           = "network",
1007         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1008         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1009         .probe          = network_probe,
1010         .remove         = network_remove,
1011 };
1012
1013 static int network_init(struct connman_device *device)
1014 {
1015         DBG("device %p", device);
1016
1017         return 0;
1018 }
1019
1020 static int network_load(struct connman_network *network)
1021 {
1022         GKeyFile *keyfile;
1023         gchar *pathname, *data = NULL;
1024         gsize length;
1025         const char *name;
1026         int val;
1027
1028         DBG("network %p", network);
1029
1030         name = connman_device_get_name(network->device);
1031         if (name == NULL)
1032                 return -EINVAL;
1033
1034         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1035         if (pathname == NULL)
1036                 return -ENOMEM;
1037
1038         keyfile = g_key_file_new();
1039
1040         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1041                 g_free(pathname);
1042                 return -ENOENT;
1043         }
1044
1045         g_free(pathname);
1046
1047         if (g_key_file_load_from_data(keyfile, data, length,
1048                                                         0, NULL) == FALSE) {
1049                 g_free(data);
1050                 return -EILSEQ;
1051         }
1052
1053         g_free(data);
1054
1055         network->remember = g_key_file_get_boolean(keyfile,
1056                                         network->identifier, "Remember", NULL);
1057
1058         val = g_key_file_get_integer(keyfile, network->identifier,
1059                                                         "Priority", NULL);
1060         if (val > 0)
1061                 network->priority = val;
1062
1063         if (network->remember == TRUE) {
1064                 g_free(network->wifi.security);
1065                 network->wifi.security = g_key_file_get_string(keyfile,
1066                                 network->identifier, "WiFi.Security", NULL);
1067
1068                 g_free(network->wifi.passphrase);
1069                 network->wifi.passphrase = g_key_file_get_string(keyfile,
1070                                 network->identifier, "WiFi.Passphrase", NULL);
1071         }
1072
1073         g_key_file_free(keyfile);
1074
1075         return 0;
1076 }
1077
1078 static int network_save(struct connman_network *network)
1079 {
1080         GKeyFile *keyfile;
1081         gchar *pathname, *data = NULL;
1082         gsize length;
1083         const char *name;
1084
1085         DBG("network %p", network);
1086
1087         name = connman_device_get_name(network->device);
1088         if (name == NULL)
1089                 return -EINVAL;
1090
1091         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1092         if (pathname == NULL)
1093                 return -ENOMEM;
1094
1095         keyfile = g_key_file_new();
1096
1097         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1098                 goto update;
1099
1100         if (length > 0) {
1101                 if (g_key_file_load_from_data(keyfile, data, length,
1102                                                         0, NULL) == FALSE)
1103                         goto done;
1104         }
1105
1106         g_free(data);
1107
1108 update:
1109         g_key_file_set_boolean(keyfile, network->identifier,
1110                                         "Remember", network->remember);
1111
1112         if (network->priority > 0)
1113                 g_key_file_set_integer(keyfile, network->identifier,
1114                                                 "Priority", network->priority);
1115
1116         if (network->remember == TRUE) {
1117                 if (network->wifi.security != NULL)
1118                         g_key_file_set_string(keyfile, network->identifier,
1119                                 "WiFi.Security", network->wifi.security);
1120
1121                 if (network->wifi.passphrase != NULL)
1122                         g_key_file_set_string(keyfile, network->identifier,
1123                                 "WiFi.Passphrase", network->wifi.passphrase);
1124         }
1125
1126         data = g_key_file_to_data(keyfile, &length, NULL);
1127
1128         g_file_set_contents(pathname, data, length, NULL);
1129
1130 done:
1131         g_free(data);
1132
1133         g_key_file_free(keyfile);
1134
1135         g_free(pathname);
1136
1137         return 0;
1138 }
1139
1140 static struct connman_storage network_storage = {
1141         .name           = "network",
1142         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1143         .network_init   = network_init,
1144         .network_load   = network_load,
1145         .network_save   = network_save,
1146 };
1147
1148 int __connman_network_init(void)
1149 {
1150         DBG("");
1151
1152         connection = connman_dbus_get_connection();
1153
1154         if (connman_storage_register(&network_storage) < 0)
1155                 connman_error("Failed to register network storage");
1156
1157         return connman_driver_register(&network_driver);
1158 }
1159
1160 void __connman_network_cleanup(void)
1161 {
1162         DBG("");
1163
1164         connman_driver_unregister(&network_driver);
1165
1166         connman_storage_unregister(&network_storage);
1167
1168         dbus_connection_unref(connection);
1169 }