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         if (temp == NULL) {
 472                 g_free(network);
 473                 return NULL;
 474         }
 475
 476         network->element.name = temp;
 477         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 478
 479         network->element.network = network;
 480         network->element.destruct = network_destruct;
 481
 482         str = type2string(type);
 483         if (str != NULL)
 484                 connman_element_set_string(&network->element, "Type", str);
 485
 486         connman_element_set_uint8(&network->element, "Strength", strength);
 487
 488         network->type = type;
 489         network->identifier = g_strdup(identifier);
 490
 491         return network;
 492 }
 493
 494 /**
 495  * connman_network_ref:
 496  * @network: network structure
 497  *
 498  * Increase reference counter of  network
 499  */
 500 struct connman_network *connman_network_ref(struct connman_network *network)
 501 {
 502         if (connman_element_ref(&network->element) == NULL)
 503                 return NULL;
 504
 505         return network;
 506 }
 507
 508 /**
 509  * connman_network_unref:
 510  * @network: network structure
 511  *
 512  * Decrease reference counter of network
 513  */
 514 void connman_network_unref(struct connman_network *network)
 515 {
 516         connman_element_unref(&network->element);
 517 }
 518
 519 const char *__connman_network_get_type(struct connman_network *network)
 520 {
 521         return type2string(network->type);
 522 }
 523
 524 /**
 525  * connman_network_get_identifier:
 526  * @network: network structure
 527  *
 528  * Get identifier of network
 529  */
 530 const char *connman_network_get_identifier(struct connman_network *network)
 531 {
 532         return network->identifier;
 533 }
 534
 535 /**
 536  * connman_network_get_path:
 537  * @network: network structure
 538  *
 539  * Get path name of network
 540  */
 541 const char *connman_network_get_path(struct connman_network *network)
 542 {
 543         return network->element.path;
 544 }
 545
 546 /**
 547  * connman_network_set_index:
 548  * @network: network structure
 549  * @index: index number
 550  *
 551  * Set index number of network
 552  */
 553 void connman_network_set_index(struct connman_network *network, int index)
 554 {
 555         network->element.index = index;
 556 }
 557
 558 /**
 559  * connman_network_get_index:
 560  * @network: network structure
 561  *
 562  * Get index number of network
 563  */
 564 int connman_network_get_index(struct connman_network *network)
 565 {
 566         return network->element.index;
 567 }
 568
 569 /**
 570  * connman_network_set_protocol:
 571  * @network: network structure
 572  * @protocol: network protocol
 573  *
 574  * Change protocol of network
 575  */
 576 void connman_network_set_protocol(struct connman_network *network,
 577                                         enum connman_network_protocol protocol)
 578 {
 579         network->protocol = protocol;
 580 }
 581
 582 /**
 583  * connman_network_set_group:
 584  * @network: network structure
 585  * @group: group name
 586  *
 587  * Set group name for automatic clustering
 588  */
 589 void connman_network_set_group(struct connman_network *network,
 590                                                         const char *group)
 591 {
 592         g_free(network->group);
 593         network->group = g_strdup(group);
 594 }
 595
 596 const char *__connman_network_get_group(struct connman_network *network)
 597 {
 598         return network->group;
 599 }
 600
 601 /**
 602  * connman_network_set_available:
 603  * @network: network structure
 604  * @available: availability state
 605  *
 606  * Change availability state of network (in range)
 607  */
 608 int connman_network_set_available(struct connman_network *network,
 609                                                 connman_bool_t available)
 610 {
 611         DBusMessage *signal;
 612         DBusMessageIter entry, value;
 613         const char *key = "Available";
 614
 615         DBG("network %p available %d", network, available);
 616
 617         if (network->available == available)
 618                 return -EALREADY;
 619
 620         network->available = available;
 621
 622         if (network->registered == FALSE)
 623                 return 0;
 624
 625         if (network->connected == TRUE)
 626                 return 0;
 627
 628         if (network->remember == FALSE)
 629                 return 0;
 630
 631         signal = dbus_message_new_signal(network->element.path,
 632                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 633         if (signal == NULL)
 634                 return 0;
 635
 636         dbus_message_iter_init_append(signal, &entry);
 637
 638         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 639
 640         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 641                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 642         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 643         dbus_message_iter_close_container(&entry, &value);
 644
 645         g_dbus_send_message(connection, signal);
 646
 647         return 0;
 648 }
 649
 650 /**
 651  * connman_network_get_available:
 652  * @network: network structure
 653  *
 654  * Get network available setting
 655  */
 656 connman_bool_t connman_network_get_available(struct connman_network *network)
 657 {
 658         return network->available;
 659 }
 660
 661 static gboolean set_connected(gpointer user_data)
 662 {
 663         struct connman_network *network = user_data;
 664
 665         if (network->connected == TRUE) {
 666                 struct connman_element *element;
 667                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 668
 669                 switch (network->protocol) {
 670                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 671                         return 0;
 672                 case CONNMAN_NETWORK_PROTOCOL_IP:
 673                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 674                         break;
 675                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 676                         type = CONNMAN_ELEMENT_TYPE_PPP;
 677                         break;
 678                 }
 679
 680                 __connman_device_increase_connections(network->device);
 681
 682                 __connman_device_set_network(network->device, network);
 683
 684                 connman_device_set_disconnected(network->device, FALSE);
 685
 686                 element = connman_element_create(NULL);
 687                 if (element != NULL) {
 688                         element->type  = type;
 689                         element->index = network->element.index;
 690
 691                         if (connman_element_register(element,
 692                                                 &network->element) < 0)
 693                                 connman_element_unref(element);
 694                 }
 695         } else {
 696                 connman_element_unregister_children(&network->element);
 697
 698                 __connman_device_set_network(network->device, NULL);
 699
 700                 __connman_device_decrease_connections(network->device);
 701         }
 702
 703         return FALSE;
 704 }
 705
 706 /**
 707  * connman_network_set_connected:
 708  * @network: network structure
 709  * @connected: connected state
 710  *
 711  * Change connected state of network
 712  */
 713 int connman_network_set_connected(struct connman_network *network,
 714                                                 connman_bool_t connected)
 715 {
 716         DBusMessage *signal;
 717         DBusMessageIter entry, value;
 718         const char *key = "Connected";
 719
 720         DBG("network %p connected %d", network, connected);
 721
 722         if (network->connected == connected)
 723                 return -EALREADY;
 724
 725         network->connected = connected;
 726
 727         if (network->registered == FALSE) {
 728                 g_idle_add(set_connected, network);
 729                 return 0;
 730         }
 731
 732         signal = dbus_message_new_signal(network->element.path,
 733                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 734         if (signal == NULL)
 735                 return 0;
 736
 737         dbus_message_iter_init_append(signal, &entry);
 738
 739         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 740
 741         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 742                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 743         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 744         dbus_message_iter_close_container(&entry, &value);
 745
 746         g_dbus_send_message(connection, signal);
 747
 748         set_connected(network);
 749
 750         return 0;
 751 }
 752
 753 /**
 754  * connman_network_get_connected:
 755  * @network: network structure
 756  *
 757  * Get network connection status
 758  */
 759 connman_bool_t connman_network_get_connected(struct connman_network *network)
 760 {
 761         return network->connected;
 762 }
 763
 764 /**
 765  * connman_network_set_remember:
 766  * @network: network structure
 767  * @remember: remember state
 768  *
 769  * Change remember state of network (known networks)
 770  */
 771 int connman_network_set_remember(struct connman_network *network,
 772                                                 connman_bool_t remember)
 773 {
 774         DBusMessage *signal;
 775         DBusMessageIter entry, value;
 776         const char *key = "Remember";
 777
 778         DBG("network %p remember %d", network, remember);
 779
 780         if (network->remember == remember)
 781                 return -EALREADY;
 782
 783         network->remember = remember;
 784
 785         if (network->registered == FALSE)
 786                 return 0;
 787
 788         signal = dbus_message_new_signal(network->element.path,
 789                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 790         if (signal == NULL)
 791                 return 0;
 792
 793         dbus_message_iter_init_append(signal, &entry);
 794
 795         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 796
 797         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 798                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 799         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 800         dbus_message_iter_close_container(&entry, &value);
 801
 802         g_dbus_send_message(connection, signal);
 803
 804         return 0;
 805 }
 806
 807 /**
 808  * connman_network_get_remember:
 809  * @network: network structure
 810  *
 811  * Get network remember setting
 812  */
 813 connman_bool_t connman_network_get_remember(struct connman_network *network)
 814 {
 815         return network->remember;
 816 }
 817
 818 /**
 819  * connman_network_connect:
 820  * @network: network structure
 821  *
 822  * Connect network
 823  */
 824 int connman_network_connect(struct connman_network *network)
 825 {
 826         if (network->connected == TRUE)
 827                 return -EALREADY;
 828
 829         if (network->driver && network->driver->connect)
 830                 return network->driver->connect(network);
 831
 832         network->connected = TRUE;
 833
 834         return 0;
 835 }
 836
 837 int __connman_network_disconnect(struct connman_network *network)
 838 {
 839         if (network->connected == FALSE)
 840                 return -ENOTCONN;
 841
 842         connman_element_unregister_children(&network->element);
 843
 844         if (network->driver && network->driver->disconnect)
 845                 return network->driver->disconnect(network);
 846
 847         network->connected = FALSE;
 848
 849         return 0;
 850 }
 851
 852 /**
 853  * connman_network_set_string:
 854  * @network: network structure
 855  * @key: unique identifier
 856  * @value: string value
 857  *
 858  * Set string value for specific key
 859  */
 860 int connman_network_set_string(struct connman_network *network,
 861                                         const char *key, const char *value)
 862 {
 863         DBG("network %p key %s value %s", network, key, value);
 864
 865         if (g_str_equal(key, "Address") == TRUE) {
 866                 g_free(network->address);
 867                 network->address = g_strdup(value);
 868         } else if (g_str_equal(key, "Name") == TRUE) {
 869                 g_free(network->name);
 870                 network->name = g_strdup(value);
 871         } else if (g_str_equal(key, "Node") == TRUE) {
 872                 g_free(network->node);
 873                 network->node = g_strdup(value);
 874         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 875                 g_free(network->wifi.mode);
 876                 network->wifi.mode = g_strdup(value);
 877         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 878                 g_free(network->wifi.security);
 879                 network->wifi.security = g_strdup(value);
 880         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 881                 g_free(network->wifi.passphrase);
 882                 network->wifi.passphrase = g_strdup(value);
 883         }
 884
 885         return connman_element_set_string(&network->element, key, value);
 886 }
 887
 888 /**
 889  * connman_network_get_string:
 890  * @network: network structure
 891  * @key: unique identifier
 892  *
 893  * Get string value for specific key
 894  */
 895 const char *connman_network_get_string(struct connman_network *network,
 896                                                         const char *key)
 897 {
 898         DBG("network %p key %s", network, key);
 899
 900         if (g_str_equal(key, "Address") == TRUE)
 901                 return network->address;
 902         else if (g_str_equal(key, "Name") == TRUE)
 903                 return network->name;
 904         else if (g_str_equal(key, "Node") == TRUE)
 905                 return network->node;
 906         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 907                 return network->wifi.mode;
 908         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 909                 return network->wifi.security;
 910         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 911                 return network->wifi.passphrase;
 912
 913         return connman_element_get_string(&network->element, key);
 914 }
 915
 916 /**
 917  * connman_network_set_uint8:
 918  * @network: network structure
 919  * @key: unique identifier
 920  * @value: integer value
 921  *
 922  * Set integer value for specific key
 923  */
 924 int connman_network_set_uint8(struct connman_network *network,
 925                                         const char *key, connman_uint8_t value)
 926 {
 927         DBG("network %p key %s value %d", network, key, value);
 928
 929         if (g_str_equal(key, "Priority") == TRUE)
 930                 network->priority = value;
 931         else if (g_str_equal(key, "Strength") == TRUE)
 932                 network->strength = value;
 933
 934         return connman_element_set_uint8(&network->element, key, value);
 935 }
 936
 937 /**
 938  * connman_network_get_uint8:
 939  * @network: network structure
 940  * @key: unique identifier
 941  *
 942  * Get integer value for specific key
 943  */
 944 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 945                                                         const char *key)
 946 {
 947         DBG("network %p key %s", network, key);
 948
 949         if (g_str_equal(key, "Priority") == TRUE)
 950                 return network->priority;
 951         else if (g_str_equal(key, "Strength") == TRUE)
 952                 return network->strength;
 953
 954         return connman_element_get_uint8(&network->element, key);
 955 }
 956
 957 /**
 958  * connman_network_set_blob:
 959  * @network: network structure
 960  * @key: unique identifier
 961  * @data: blob data
 962  * @size: blob size
 963  *
 964  * Set binary blob value for specific key
 965  */
 966 int connman_network_set_blob(struct connman_network *network,
 967                         const char *key, const void *data, unsigned int size)
 968 {
 969         DBG("network %p key %s size %d", network, key, size);
 970
 971         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 972                 g_free(network->wifi.ssid);
 973                 network->wifi.ssid = g_try_malloc(size);
 974                 if (network->wifi.ssid != NULL) {
 975                         memcpy(network->wifi.ssid, data, size);
 976                         network->wifi.ssid_len = size;
 977                 } else
 978                         network->wifi.ssid_len = 0;
 979         }
 980
 981         return connman_element_set_blob(&network->element, key, data, size);
 982 }
 983
 984 /**
 985  * connman_network_get_blob:
 986  * @network: network structure
 987  * @key: unique identifier
 988  * @size: pointer to blob size
 989  *
 990  * Get binary blob value for specific key
 991  */
 992 const void *connman_network_get_blob(struct connman_network *network,
 993                                         const char *key, unsigned int *size)
 994 {
 995         DBG("network %p key %s", network, key);
 996
 997         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 998                 if (size != NULL)
 999                         *size = network->wifi.ssid_len;
1000                 return network->wifi.ssid;
1001         }
1002
1003         return connman_element_get_blob(&network->element, key, size);
1004 }
1005
1006 void __connman_network_set_device(struct connman_network *network,
1007                                         struct connman_device *device)
1008 {
1009         network->device = device;
1010 }
1011
1012 /**
1013  * connman_network_get_device:
1014  * @network: network structure
1015  *
1016  * Get parent device of network
1017  */
1018 struct connman_device *connman_network_get_device(struct connman_network *network)
1019 {
1020         return network->device;
1021 }
1022
1023 /**
1024  * connman_network_get_data:
1025  * @network: network structure
1026  *
1027  * Get private network data pointer
1028  */
1029 void *connman_network_get_data(struct connman_network *network)
1030 {
1031         return network->driver_data;
1032 }
1033
1034 /**
1035  * connman_network_set_data:
1036  * @network: network structure
1037  * @data: data pointer
1038  *
1039  * Set private network data pointer
1040  */
1041 void connman_network_set_data(struct connman_network *network, void *data)
1042 {
1043         network->driver_data = data;
1044 }
1045
1046 static gboolean match_driver(struct connman_network *network,
1047                                         struct connman_network_driver *driver)
1048 {
1049         if (network->type == driver->type ||
1050                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1051                 return TRUE;
1052
1053         return FALSE;
1054 }
1055
1056 static int network_probe(struct connman_element *element)
1057 {
1058         struct connman_network *network = element->network;
1059         GSList *list;
1060         int err;
1061
1062         DBG("element %p name %s", element, element->name);
1063
1064         if (network == NULL)
1065                 return -ENODEV;
1066
1067         for (list = driver_list; list; list = list->next) {
1068                 struct connman_network_driver *driver = list->data;
1069
1070                 if (match_driver(network, driver) == FALSE)
1071                         continue;
1072
1073                 DBG("driver %p name %s", driver, driver->name);
1074
1075                 if (driver->probe(network) == 0) {
1076                         network->driver = driver;
1077                         break;
1078                 }
1079         }
1080
1081         if (network->driver == NULL)
1082                 return -ENODEV;
1083
1084         err = register_interface(element);
1085         if (err < 0) {
1086                 if (network->driver->remove)
1087                         network->driver->remove(network);
1088                 return err;
1089         }
1090
1091         __connman_profile_add_network(network);
1092
1093         return 0;
1094 }
1095
1096 static void network_remove(struct connman_element *element)
1097 {
1098         struct connman_network *network = element->network;
1099
1100         DBG("element %p name %s", element, element->name);
1101
1102         if (network == NULL)
1103                 return;
1104
1105         if (network->driver == NULL)
1106                 return;
1107
1108         __connman_profile_remove_network(network);
1109
1110         unregister_interface(element);
1111
1112         if (network->driver->remove)
1113                 network->driver->remove(network);
1114 }
1115
1116 static void network_change(struct connman_element *element)
1117 {
1118         struct connman_network *network = element->network;
1119
1120         DBG("element %p name %s", element, element->name);
1121
1122         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1123                 return;
1124
1125         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1126                 return;
1127
1128         if (network->connected == FALSE)
1129                 return;
1130
1131         connman_element_unregister_children(element);
1132
1133         connman_device_set_disconnected(network->device, TRUE);
1134
1135         if (network->driver && network->driver->disconnect) {
1136                 network->driver->disconnect(network);
1137                 return;
1138         }
1139
1140         network->connected = FALSE;
1141 }
1142
1143 static struct connman_driver network_driver = {
1144         .name           = "network",
1145         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1146         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1147         .probe          = network_probe,
1148         .remove         = network_remove,
1149         .change         = network_change,
1150 };
1151
1152 static int network_init(struct connman_device *device)
1153 {
1154         DBG("device %p", device);
1155
1156         return 0;
1157 }
1158
1159 static int network_load(struct connman_network *network)
1160 {
1161         GKeyFile *keyfile;
1162         gchar *pathname, *data = NULL;
1163         gsize length;
1164         const char *name;
1165         char *str;
1166         int val;
1167
1168         DBG("network %p", network);
1169
1170         name = connman_device_get_name(network->device);
1171         if (name == NULL)
1172                 return -EINVAL;
1173
1174         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1175         if (pathname == NULL)
1176                 return -ENOMEM;
1177
1178         keyfile = g_key_file_new();
1179
1180         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1181                 g_free(pathname);
1182                 return -ENOENT;
1183         }
1184
1185         g_free(pathname);
1186
1187         if (g_key_file_load_from_data(keyfile, data, length,
1188                                                         0, NULL) == FALSE) {
1189                 g_free(data);
1190                 return -EILSEQ;
1191         }
1192
1193         g_free(data);
1194
1195         network->remember = g_key_file_get_boolean(keyfile,
1196                                         network->identifier, "Remember", NULL);
1197
1198         val = g_key_file_get_integer(keyfile, network->identifier,
1199                                                         "Priority", NULL);
1200         if (val > 0)
1201                 network->priority = val;
1202
1203         str = g_key_file_get_string(keyfile,
1204                                 network->identifier, "WiFi.Security", NULL);
1205         if (str != NULL) {
1206                 g_free(network->wifi.security);
1207                 network->wifi.security = str;
1208         }
1209
1210         str = g_key_file_get_string(keyfile,
1211                                 network->identifier, "WiFi.Passphrase", NULL);
1212         if (str != NULL) {
1213                 g_free(network->wifi.passphrase);
1214                 network->wifi.passphrase = str;
1215         }
1216
1217         g_key_file_free(keyfile);
1218
1219         return 0;
1220 }
1221
1222 static int network_save(struct connman_network *network)
1223 {
1224         GKeyFile *keyfile;
1225         gchar *pathname, *data = NULL;
1226         gsize length;
1227         const char *name;
1228
1229         DBG("network %p", network);
1230
1231         name = connman_device_get_name(network->device);
1232         if (name == NULL)
1233                 return -EINVAL;
1234
1235         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1236         if (pathname == NULL)
1237                 return -ENOMEM;
1238
1239         keyfile = g_key_file_new();
1240
1241         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1242                 goto update;
1243
1244         if (length > 0) {
1245                 if (g_key_file_load_from_data(keyfile, data, length,
1246                                                         0, NULL) == FALSE)
1247                         goto done;
1248         }
1249
1250         g_free(data);
1251
1252 update:
1253         g_key_file_set_boolean(keyfile, network->identifier,
1254                                         "Remember", network->remember);
1255
1256         if (network->priority > 0)
1257                 g_key_file_set_integer(keyfile, network->identifier,
1258                                                 "Priority", network->priority);
1259
1260         if (network->remember == TRUE || network->connected == TRUE) {
1261                 if (network->wifi.security != NULL)
1262                         g_key_file_set_string(keyfile, network->identifier,
1263                                 "WiFi.Security", network->wifi.security);
1264
1265                 if (network->wifi.passphrase != NULL)
1266                         g_key_file_set_string(keyfile, network->identifier,
1267                                 "WiFi.Passphrase", network->wifi.passphrase);
1268         }
1269
1270         data = g_key_file_to_data(keyfile, &length, NULL);
1271
1272         g_file_set_contents(pathname, data, length, NULL);
1273
1274 done:
1275         g_free(data);
1276
1277         g_key_file_free(keyfile);
1278
1279         g_free(pathname);
1280
1281         return 0;
1282 }
1283
1284 static struct connman_storage network_storage = {
1285         .name           = "network",
1286         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1287         .network_init   = network_init,
1288         .network_load   = network_load,
1289         .network_save   = network_save,
1290 };
1291
1292 int __connman_network_init(void)
1293 {
1294         DBG("");
1295
1296         connection = connman_dbus_get_connection();
1297
1298         if (connman_storage_register(&network_storage) < 0)
1299                 connman_error("Failed to register network storage");
1300
1301         return connman_driver_register(&network_driver);
1302 }
1303
1304 void __connman_network_cleanup(void)
1305 {
1306         DBG("");
1307
1308         connman_driver_unregister(&network_driver);
1309
1310         connman_storage_unregister(&network_storage);
1311
1312         dbus_connection_unref(connection);
1313 }