vcs.maemo.org Git - connman/blob - src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 struct connman_network {
  33         struct connman_element element;
  34         enum connman_network_type type;
  35         enum connman_network_protocol protocol;
  36         connman_bool_t available;
  37         connman_bool_t connected;
  38         connman_bool_t remember;
  39         connman_uint8_t priority;
  40         connman_uint8_t strength;
  41         char *identifier;
  42         char *address;
  43         char *name;
  44         char *node;
  45         char *group;
  46
  47         struct connman_network_driver *driver;
  48         void *driver_data;
  49
  50         connman_bool_t registered;
  51
  52         struct connman_device *device;
  53
  54         struct {
  55                 void *ssid;
  56                 int ssid_len;
  57                 char *mode;
  58                 char *security;
  59                 char *passphrase;
  60         } wifi;
  61 };
  62
  63 static const char *type2string(enum connman_network_type type)
  64 {
  65         switch (type) {
  66         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  67         case CONNMAN_NETWORK_TYPE_VENDOR:
  68                 break;
  69         case CONNMAN_NETWORK_TYPE_WIFI:
  70                 return "wifi";
  71         case CONNMAN_NETWORK_TYPE_WIMAX:
  72                 return "wimax";
  73         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  74         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  75                 return "bluetooth";
  76         case CONNMAN_NETWORK_TYPE_HSO:
  77                 return "cellular";
  78         }
  79
  80         return NULL;
  81 }
  82
  83 static DBusMessage *get_properties(DBusConnection *conn,
  84                                         DBusMessage *msg, void *data)
  85 {
  86         struct connman_network *network = data;
  87         DBusMessage *reply;
  88         DBusMessageIter array, dict;
  89
  90         DBG("conn %p", conn);
  91
  92         if (__connman_security_check_privilege(msg,
  93                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  94                 return __connman_error_permission_denied(msg);
  95
  96         reply = dbus_message_new_method_return(msg);
  97         if (reply == NULL)
  98                 return NULL;
  99
 100         dbus_message_iter_init_append(reply, &array);
 101
 102         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 103                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 104                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 105                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 106
 107         if (network->device) {
 108                 const char *path = connman_device_get_path(network->device);
 109                 if (path != NULL)
 110                         connman_dbus_dict_append_variant(&dict, "Device",
 111                                                 DBUS_TYPE_OBJECT_PATH, &path);
 112         }
 113
 114         if (network->address != NULL)
 115                 connman_dbus_dict_append_variant(&dict, "Address",
 116                                         DBUS_TYPE_STRING, &network->address);
 117
 118         if (network->name != NULL)
 119                 connman_dbus_dict_append_variant(&dict, "Name",
 120                                         DBUS_TYPE_STRING, &network->name);
 121
 122         connman_dbus_dict_append_variant(&dict, "Available",
 123                                 DBUS_TYPE_BOOLEAN, &network->available);
 124
 125         connman_dbus_dict_append_variant(&dict, "Connected",
 126                                 DBUS_TYPE_BOOLEAN, &network->connected);
 127
 128         connman_dbus_dict_append_variant(&dict, "Remember",
 129                                 DBUS_TYPE_BOOLEAN, &network->remember);
 130
 131         if (network->priority > 0)
 132                 connman_dbus_dict_append_variant(&dict, "Priority",
 133                                         DBUS_TYPE_BYTE, &network->priority);
 134
 135         if (network->strength > 0)
 136                 connman_dbus_dict_append_variant(&dict, "Strength",
 137                                         DBUS_TYPE_BYTE, &network->strength);
 138
 139         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 140                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 141                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 142                                                 network->wifi.ssid_len);
 143
 144         if (network->wifi.mode != NULL)
 145                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 146                                 DBUS_TYPE_STRING, &network->wifi.mode);
 147
 148         if (network->wifi.security != NULL)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 150                                 DBUS_TYPE_STRING, &network->wifi.security);
 151
 152         if (network->wifi.passphrase != NULL &&
 153                         __connman_security_check_privilege(msg,
 154                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 155                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 156                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 157
 158         dbus_message_iter_close_container(&array, &dict);
 159
 160         return reply;
 161 }
 162
 163 static DBusMessage *set_property(DBusConnection *conn,
 164                                         DBusMessage *msg, void *data)
 165 {
 166         struct connman_network *network = data;
 167         DBusMessageIter iter, value;
 168         const char *name;
 169         int type;
 170
 171         DBG("conn %p", conn);
 172
 173         if (dbus_message_iter_init(msg, &iter) == FALSE)
 174                 return __connman_error_invalid_arguments(msg);
 175
 176         dbus_message_iter_get_basic(&iter, &name);
 177         dbus_message_iter_next(&iter);
 178         dbus_message_iter_recurse(&iter, &value);
 179
 180         if (__connman_security_check_privilege(msg,
 181                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 182                 return __connman_error_permission_denied(msg);
 183
 184         type = dbus_message_iter_get_arg_type(&value);
 185
 186         if (g_str_equal(name, "Remember") == TRUE) {
 187                 connman_bool_t remember;
 188
 189                 if (type != DBUS_TYPE_BOOLEAN)
 190                         return __connman_error_invalid_arguments(msg);
 191
 192                 dbus_message_iter_get_basic(&value, &remember);
 193
 194                 if (network->remember == remember)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 network->remember = remember;
 198         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 199                 const char *passphrase;
 200
 201                 if (type != DBUS_TYPE_STRING)
 202                         return __connman_error_invalid_arguments(msg);
 203
 204                 if (__connman_security_check_privilege(msg,
 205                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 206                         return __connman_error_permission_denied(msg);
 207
 208                 dbus_message_iter_get_basic(&value, &passphrase);
 209
 210                 g_free(network->wifi.passphrase);
 211                 network->wifi.passphrase = g_strdup(passphrase);
 212         } else if (g_str_equal(name, "Priority") == TRUE) {
 213                 connman_uint8_t priority;
 214
 215                 if (type != DBUS_TYPE_BYTE)
 216                         return __connman_error_invalid_arguments(msg);
 217
 218                 dbus_message_iter_get_basic(&value, &priority);
 219
 220                 network->priority = priority;
 221         }
 222
 223         __connman_storage_save_network(network);
 224
 225         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 226 }
 227
 228 static DBusMessage *do_connect(DBusConnection *conn,
 229                                         DBusMessage *msg, void *data)
 230 {
 231         struct connman_network *network = data;
 232         int err;
 233
 234         DBG("conn %p", conn);
 235
 236         if (__connman_security_check_privilege(msg,
 237                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 238                 return __connman_error_permission_denied(msg);
 239
 240         if (network->connected == TRUE)
 241                 return __connman_error_failed(msg);
 242
 243         if (network->driver && network->driver->connect) {
 244                 enum connman_device_mode mode;
 245
 246                 mode = connman_device_get_mode(network->device);
 247                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 248                         __connman_device_disconnect(network->device);
 249
 250                 err = network->driver->connect(network);
 251                 if (err < 0 && err != -EINPROGRESS)
 252                         return __connman_error_failed(msg);
 253         } else
 254                 network->connected = TRUE;
 255
 256         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 257 }
 258
 259 static DBusMessage *do_disconnect(DBusConnection *conn,
 260                                         DBusMessage *msg, void *data)
 261 {
 262         struct connman_network *network = data;
 263         int err;
 264
 265         DBG("conn %p", conn);
 266
 267         if (__connman_security_check_privilege(msg,
 268                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 269                 return __connman_error_permission_denied(msg);
 270
 271         if (network->connected == FALSE)
 272                 return __connman_error_failed(msg);
 273
 274         connman_element_unregister_children(&network->element);
 275
 276         connman_device_set_disconnected(network->device, TRUE);
 277
 278         if (network->driver && network->driver->disconnect) {
 279                 err = network->driver->disconnect(network);
 280                 if (err < 0 && err != -EINPROGRESS)
 281                         return __connman_error_failed(msg);
 282         } else
 283                 network->connected = FALSE;
 284
 285         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 286 }
 287
 288 static GDBusMethodTable network_methods[] = {
 289         { "GetProperties", "",   "a{sv}", get_properties },
 290         { "SetProperty",   "sv", "",      set_property   },
 291         { "Connect",       "",   "",      do_connect     },
 292         { "Disconnect",    "",   "",      do_disconnect  },
 293         { },
 294 };
 295
 296 static GDBusSignalTable network_signals[] = {
 297         { "PropertyChanged", "sv" },
 298         { },
 299 };
 300
 301 static DBusConnection *connection;
 302
 303 static void append_networks(struct connman_device *device,
 304                                                 DBusMessageIter *entry)
 305 {
 306         DBusMessageIter value, iter;
 307         const char *key = "Networks";
 308
 309         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 310
 311         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 312                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 313                                                                 &value);
 314
 315         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 316                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 317         __connman_element_list((struct connman_element *) device,
 318                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 319         dbus_message_iter_close_container(&value, &iter);
 320
 321         dbus_message_iter_close_container(entry, &value);
 322 }
 323
 324 static void emit_networks_signal(struct connman_device *device)
 325 {
 326         const char *path = connman_device_get_path(device);
 327         DBusMessage *signal;
 328         DBusMessageIter entry;
 329
 330         signal = dbus_message_new_signal(path,
 331                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 332         if (signal == NULL)
 333                 return;
 334
 335         dbus_message_iter_init_append(signal, &entry);
 336
 337         append_networks(device, &entry);
 338
 339         g_dbus_send_message(connection, signal);
 340 }
 341
 342 static int register_interface(struct connman_element *element)
 343 {
 344         struct connman_network *network = element->network;
 345
 346         DBG("element %p name %s", element, element->name);
 347
 348         if (g_dbus_register_interface(connection, element->path,
 349                                         CONNMAN_NETWORK_INTERFACE,
 350                                         network_methods, network_signals,
 351                                         NULL, network, NULL) == FALSE) {
 352                 connman_error("Failed to register %s network", element->path);
 353                 return -EIO;
 354         }
 355
 356         network->registered = TRUE;
 357
 358         emit_networks_signal(network->device);
 359
 360         return 0;
 361 }
 362
 363 static void unregister_interface(struct connman_element *element)
 364 {
 365         struct connman_network * network = element->network;
 366
 367         DBG("element %p name %s", element, element->name);
 368
 369         network->registered = FALSE;
 370
 371         emit_networks_signal(network->device);
 372
 373         g_dbus_unregister_interface(connection, element->path,
 374                                                 CONNMAN_NETWORK_INTERFACE);
 375 }
 376
 377 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 378 {
 379         if (network == NULL || network->driver == NULL)
 380                 return FALSE;
 381
 382         return network->registered;
 383 }
 384
 385 static GSList *driver_list = NULL;
 386
 387 static gint compare_priority(gconstpointer a, gconstpointer b)
 388 {
 389         const struct connman_network_driver *driver1 = a;
 390         const struct connman_network_driver *driver2 = b;
 391
 392         return driver2->priority - driver1->priority;
 393 }
 394
 395 /**
 396  * connman_network_driver_register:
 397  * @driver: network driver definition
 398  *
 399  * Register a new network driver
 400  *
 401  * Returns: %0 on success
 402  */
 403 int connman_network_driver_register(struct connman_network_driver *driver)
 404 {
 405         DBG("driver %p name %s", driver, driver->name);
 406
 407         driver_list = g_slist_insert_sorted(driver_list, driver,
 408                                                         compare_priority);
 409
 410         return 0;
 411 }
 412
 413 /**
 414  * connman_network_driver_unregister:
 415  * @driver: network driver definition
 416  *
 417  * Remove a previously registered network driver
 418  */
 419 void connman_network_driver_unregister(struct connman_network_driver *driver)
 420 {
 421         DBG("driver %p name %s", driver, driver->name);
 422
 423         driver_list = g_slist_remove(driver_list, driver);
 424 }
 425
 426 static void network_destruct(struct connman_element *element)
 427 {
 428         struct connman_network *network = element->network;
 429
 430         DBG("element %p name %s", element, element->name);
 431
 432         g_free(network->wifi.ssid);
 433         g_free(network->wifi.mode);
 434         g_free(network->wifi.security);
 435         g_free(network->wifi.passphrase);
 436
 437         g_free(network->group);
 438         g_free(network->node);
 439         g_free(network->name);
 440         g_free(network->address);
 441         g_free(network->identifier);
 442 }
 443
 444 /**
 445  * connman_network_create:
 446  * @identifier: network identifier (for example an unqiue name)
 447  *
 448  * Allocate a new network and assign the #identifier to it.
 449  *
 450  * Returns: a newly-allocated #connman_network structure
 451  */
 452 struct connman_network *connman_network_create(const char *identifier,
 453                                                 enum connman_network_type type)
 454 {
 455         struct connman_network *network;
 456         connman_uint8_t strength = 0;
 457         const char *str;
 458         char *temp;
 459
 460         DBG("identifier %s type %d", identifier, type);
 461
 462         network = g_try_new0(struct connman_network, 1);
 463         if (network == NULL)
 464                 return NULL;
 465
 466         DBG("network %p", network);
 467
 468         __connman_element_initialize(&network->element);
 469
 470         //temp = connman_dbus_encode_string(identifier);
 471         temp = g_strdup(identifier);
 472         if (temp == NULL) {
 473                 g_free(network);
 474                 return NULL;
 475         }
 476
 477         network->element.name = temp;
 478         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 479
 480         network->element.network = network;
 481         network->element.destruct = network_destruct;
 482
 483         str = type2string(type);
 484         if (str != NULL)
 485                 connman_element_set_string(&network->element, "Type", str);
 486
 487         connman_element_set_uint8(&network->element, "Strength", strength);
 488
 489         network->type = type;
 490         network->identifier = g_strdup(identifier);
 491
 492         return network;
 493 }
 494
 495 /**
 496  * connman_network_ref:
 497  * @network: network structure
 498  *
 499  * Increase reference counter of  network
 500  */
 501 struct connman_network *connman_network_ref(struct connman_network *network)
 502 {
 503         if (connman_element_ref(&network->element) == NULL)
 504                 return NULL;
 505
 506         return network;
 507 }
 508
 509 /**
 510  * connman_network_unref:
 511  * @network: network structure
 512  *
 513  * Decrease reference counter of network
 514  */
 515 void connman_network_unref(struct connman_network *network)
 516 {
 517         connman_element_unref(&network->element);
 518 }
 519
 520 const char *__connman_network_get_type(struct connman_network *network)
 521 {
 522         return type2string(network->type);
 523 }
 524
 525 /**
 526  * connman_network_get_identifier:
 527  * @network: network structure
 528  *
 529  * Get identifier of network
 530  */
 531 const char *connman_network_get_identifier(struct connman_network *network)
 532 {
 533         return network->identifier;
 534 }
 535
 536 /**
 537  * connman_network_get_path:
 538  * @network: network structure
 539  *
 540  * Get path name of network
 541  */
 542 const char *connman_network_get_path(struct connman_network *network)
 543 {
 544         return network->element.path;
 545 }
 546
 547 /**
 548  * connman_network_set_index:
 549  * @network: network structure
 550  * @index: index number
 551  *
 552  * Set index number of network
 553  */
 554 void connman_network_set_index(struct connman_network *network, int index)
 555 {
 556         network->element.index = index;
 557 }
 558
 559 /**
 560  * connman_network_get_index:
 561  * @network: network structure
 562  *
 563  * Get index number of network
 564  */
 565 int connman_network_get_index(struct connman_network *network)
 566 {
 567         return network->element.index;
 568 }
 569
 570 /**
 571  * connman_network_set_protocol:
 572  * @network: network structure
 573  * @protocol: network protocol
 574  *
 575  * Change protocol of network
 576  */
 577 void connman_network_set_protocol(struct connman_network *network,
 578                                         enum connman_network_protocol protocol)
 579 {
 580         network->protocol = protocol;
 581 }
 582
 583 /**
 584  * connman_network_set_group:
 585  * @network: network structure
 586  * @group: group name
 587  *
 588  * Set group name for automatic clustering
 589  */
 590 void connman_network_set_group(struct connman_network *network,
 591                                                         const char *group)
 592 {
 593         g_free(network->group);
 594         network->group = g_strdup(group);
 595 }
 596
 597 const char *__connman_network_get_group(struct connman_network *network)
 598 {
 599         return network->group;
 600 }
 601
 602 /**
 603  * connman_network_set_available:
 604  * @network: network structure
 605  * @available: availability state
 606  *
 607  * Change availability state of network (in range)
 608  */
 609 int connman_network_set_available(struct connman_network *network,
 610                                                 connman_bool_t available)
 611 {
 612         DBusMessage *signal;
 613         DBusMessageIter entry, value;
 614         const char *key = "Available";
 615
 616         DBG("network %p available %d", network, available);
 617
 618         if (network->available == available)
 619                 return -EALREADY;
 620
 621         network->available = available;
 622
 623         if (network->registered == FALSE)
 624                 return 0;
 625
 626         if (network->connected == TRUE)
 627                 return 0;
 628
 629         if (network->remember == FALSE)
 630                 return 0;
 631
 632         signal = dbus_message_new_signal(network->element.path,
 633                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 634         if (signal == NULL)
 635                 return 0;
 636
 637         dbus_message_iter_init_append(signal, &entry);
 638
 639         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 640
 641         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 642                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 643         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 644         dbus_message_iter_close_container(&entry, &value);
 645
 646         g_dbus_send_message(connection, signal);
 647
 648         return 0;
 649 }
 650
 651 /**
 652  * connman_network_get_available:
 653  * @network: network structure
 654  *
 655  * Get network available setting
 656  */
 657 connman_bool_t connman_network_get_available(struct connman_network *network)
 658 {
 659         return network->available;
 660 }
 661
 662 static gboolean set_connected(gpointer user_data)
 663 {
 664         struct connman_network *network = user_data;
 665
 666         if (network->connected == TRUE) {
 667                 struct connman_element *element;
 668                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 669
 670                 switch (network->protocol) {
 671                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 672                         return 0;
 673                 case CONNMAN_NETWORK_PROTOCOL_IP:
 674                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 675                         break;
 676                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 677                         type = CONNMAN_ELEMENT_TYPE_PPP;
 678                         break;
 679                 }
 680
 681                 __connman_device_increase_connections(network->device);
 682
 683                 __connman_device_set_network(network->device, network);
 684
 685                 connman_device_set_disconnected(network->device, FALSE);
 686
 687                 element = connman_element_create(NULL);
 688                 if (element != NULL) {
 689                         element->type  = type;
 690                         element->index = network->element.index;
 691
 692                         if (connman_element_register(element,
 693                                                 &network->element) < 0)
 694                                 connman_element_unref(element);
 695                 }
 696         } else {
 697                 connman_element_unregister_children(&network->element);
 698
 699                 __connman_device_set_network(network->device, NULL);
 700
 701                 __connman_device_decrease_connections(network->device);
 702         }
 703
 704         return FALSE;
 705 }
 706
 707 /**
 708  * connman_network_set_connected:
 709  * @network: network structure
 710  * @connected: connected state
 711  *
 712  * Change connected state of network
 713  */
 714 int connman_network_set_connected(struct connman_network *network,
 715                                                 connman_bool_t connected)
 716 {
 717         DBusMessage *signal;
 718         DBusMessageIter entry, value;
 719         const char *key = "Connected";
 720
 721         DBG("network %p connected %d", network, connected);
 722
 723         if (network->connected == connected)
 724                 return -EALREADY;
 725
 726         network->connected = connected;
 727
 728         if (network->registered == FALSE) {
 729                 g_idle_add(set_connected, network);
 730                 return 0;
 731         }
 732
 733         signal = dbus_message_new_signal(network->element.path,
 734                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 735         if (signal == NULL)
 736                 return 0;
 737
 738         dbus_message_iter_init_append(signal, &entry);
 739
 740         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 741
 742         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 743                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 744         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 745         dbus_message_iter_close_container(&entry, &value);
 746
 747         g_dbus_send_message(connection, signal);
 748
 749         set_connected(network);
 750
 751         return 0;
 752 }
 753
 754 /**
 755  * connman_network_get_connected:
 756  * @network: network structure
 757  *
 758  * Get network connection status
 759  */
 760 connman_bool_t connman_network_get_connected(struct connman_network *network)
 761 {
 762         return network->connected;
 763 }
 764
 765 /**
 766  * connman_network_set_remember:
 767  * @network: network structure
 768  * @remember: remember state
 769  *
 770  * Change remember state of network (known networks)
 771  */
 772 int connman_network_set_remember(struct connman_network *network,
 773                                                 connman_bool_t remember)
 774 {
 775         DBusMessage *signal;
 776         DBusMessageIter entry, value;
 777         const char *key = "Remember";
 778
 779         DBG("network %p remember %d", network, remember);
 780
 781         if (network->remember == remember)
 782                 return -EALREADY;
 783
 784         network->remember = remember;
 785
 786         if (network->registered == FALSE)
 787                 return 0;
 788
 789         signal = dbus_message_new_signal(network->element.path,
 790                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 791         if (signal == NULL)
 792                 return 0;
 793
 794         dbus_message_iter_init_append(signal, &entry);
 795
 796         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 797
 798         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 799                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 800         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 801         dbus_message_iter_close_container(&entry, &value);
 802
 803         g_dbus_send_message(connection, signal);
 804
 805         return 0;
 806 }
 807
 808 /**
 809  * connman_network_get_remember:
 810  * @network: network structure
 811  *
 812  * Get network remember setting
 813  */
 814 connman_bool_t connman_network_get_remember(struct connman_network *network)
 815 {
 816         return network->remember;
 817 }
 818
 819 /**
 820  * connman_network_connect:
 821  * @network: network structure
 822  *
 823  * Connect network
 824  */
 825 int connman_network_connect(struct connman_network *network)
 826 {
 827         if (network->connected == TRUE)
 828                 return -EALREADY;
 829
 830         if (network->driver && network->driver->connect)
 831                 return network->driver->connect(network);
 832
 833         network->connected = TRUE;
 834
 835         return 0;
 836 }
 837
 838 int __connman_network_disconnect(struct connman_network *network)
 839 {
 840         if (network->connected == FALSE)
 841                 return -ENOTCONN;
 842
 843         connman_element_unregister_children(&network->element);
 844
 845         if (network->driver && network->driver->disconnect)
 846                 return network->driver->disconnect(network);
 847
 848         network->connected = FALSE;
 849
 850         return 0;
 851 }
 852
 853 /**
 854  * connman_network_set_string:
 855  * @network: network structure
 856  * @key: unique identifier
 857  * @value: string value
 858  *
 859  * Set string value for specific key
 860  */
 861 int connman_network_set_string(struct connman_network *network,
 862                                         const char *key, const char *value)
 863 {
 864         DBG("network %p key %s value %s", network, key, value);
 865
 866         if (g_str_equal(key, "Address") == TRUE) {
 867                 g_free(network->address);
 868                 network->address = g_strdup(value);
 869         } else if (g_str_equal(key, "Name") == TRUE) {
 870                 g_free(network->name);
 871                 network->name = g_strdup(value);
 872         } else if (g_str_equal(key, "Node") == TRUE) {
 873                 g_free(network->node);
 874                 network->node = g_strdup(value);
 875         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 876                 g_free(network->wifi.mode);
 877                 network->wifi.mode = g_strdup(value);
 878         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 879                 g_free(network->wifi.security);
 880                 network->wifi.security = g_strdup(value);
 881         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 882                 g_free(network->wifi.passphrase);
 883                 network->wifi.passphrase = g_strdup(value);
 884         }
 885
 886         return connman_element_set_string(&network->element, key, value);
 887 }
 888
 889 /**
 890  * connman_network_get_string:
 891  * @network: network structure
 892  * @key: unique identifier
 893  *
 894  * Get string value for specific key
 895  */
 896 const char *connman_network_get_string(struct connman_network *network,
 897                                                         const char *key)
 898 {
 899         DBG("network %p key %s", network, key);
 900
 901         if (g_str_equal(key, "Address") == TRUE)
 902                 return network->address;
 903         else if (g_str_equal(key, "Name") == TRUE)
 904                 return network->name;
 905         else if (g_str_equal(key, "Node") == TRUE)
 906                 return network->node;
 907         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 908                 return network->wifi.mode;
 909         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 910                 return network->wifi.security;
 911         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 912                 return network->wifi.passphrase;
 913
 914         return connman_element_get_string(&network->element, key);
 915 }
 916
 917 /**
 918  * connman_network_set_uint8:
 919  * @network: network structure
 920  * @key: unique identifier
 921  * @value: integer value
 922  *
 923  * Set integer value for specific key
 924  */
 925 int connman_network_set_uint8(struct connman_network *network,
 926                                         const char *key, connman_uint8_t value)
 927 {
 928         DBG("network %p key %s value %d", network, key, value);
 929
 930         if (g_str_equal(key, "Priority") == TRUE)
 931                 network->priority = value;
 932         else if (g_str_equal(key, "Strength") == TRUE)
 933                 network->strength = value;
 934
 935         return connman_element_set_uint8(&network->element, key, value);
 936 }
 937
 938 /**
 939  * connman_network_get_uint8:
 940  * @network: network structure
 941  * @key: unique identifier
 942  *
 943  * Get integer value for specific key
 944  */
 945 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 946                                                         const char *key)
 947 {
 948         DBG("network %p key %s", network, key);
 949
 950         if (g_str_equal(key, "Priority") == TRUE)
 951                 return network->priority;
 952         else if (g_str_equal(key, "Strength") == TRUE)
 953                 return network->strength;
 954
 955         return connman_element_get_uint8(&network->element, key);
 956 }
 957
 958 /**
 959  * connman_network_set_blob:
 960  * @network: network structure
 961  * @key: unique identifier
 962  * @data: blob data
 963  * @size: blob size
 964  *
 965  * Set binary blob value for specific key
 966  */
 967 int connman_network_set_blob(struct connman_network *network,
 968                         const char *key, const void *data, unsigned int size)
 969 {
 970         DBG("network %p key %s size %d", network, key, size);
 971
 972         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 973                 g_free(network->wifi.ssid);
 974                 network->wifi.ssid = g_try_malloc(size);
 975                 if (network->wifi.ssid != NULL) {
 976                         memcpy(network->wifi.ssid, data, size);
 977                         network->wifi.ssid_len = size;
 978                 } else
 979                         network->wifi.ssid_len = 0;
 980         }
 981
 982         return connman_element_set_blob(&network->element, key, data, size);
 983 }
 984
 985 /**
 986  * connman_network_get_blob:
 987  * @network: network structure
 988  * @key: unique identifier
 989  * @size: pointer to blob size
 990  *
 991  * Get binary blob value for specific key
 992  */
 993 const void *connman_network_get_blob(struct connman_network *network,
 994                                         const char *key, unsigned int *size)
 995 {
 996         DBG("network %p key %s", network, key);
 997
 998         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 999                 if (size != NULL)
1000                         *size = network->wifi.ssid_len;
1001                 return network->wifi.ssid;
1002         }
1003
1004         return connman_element_get_blob(&network->element, key, size);
1005 }
1006
1007 void __connman_network_set_device(struct connman_network *network,
1008                                         struct connman_device *device)
1009 {
1010         network->device = device;
1011 }
1012
1013 /**
1014  * connman_network_get_device:
1015  * @network: network structure
1016  *
1017  * Get parent device of network
1018  */
1019 struct connman_device *connman_network_get_device(struct connman_network *network)
1020 {
1021         return network->device;
1022 }
1023
1024 /**
1025  * connman_network_get_data:
1026  * @network: network structure
1027  *
1028  * Get private network data pointer
1029  */
1030 void *connman_network_get_data(struct connman_network *network)
1031 {
1032         return network->driver_data;
1033 }
1034
1035 /**
1036  * connman_network_set_data:
1037  * @network: network structure
1038  * @data: data pointer
1039  *
1040  * Set private network data pointer
1041  */
1042 void connman_network_set_data(struct connman_network *network, void *data)
1043 {
1044         network->driver_data = data;
1045 }
1046
1047 static gboolean match_driver(struct connman_network *network,
1048                                         struct connman_network_driver *driver)
1049 {
1050         if (network->type == driver->type ||
1051                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1052                 return TRUE;
1053
1054         return FALSE;
1055 }
1056
1057 static int network_probe(struct connman_element *element)
1058 {
1059         struct connman_network *network = element->network;
1060         GSList *list;
1061         int err;
1062
1063         DBG("element %p name %s", element, element->name);
1064
1065         if (network == NULL)
1066                 return -ENODEV;
1067
1068         for (list = driver_list; list; list = list->next) {
1069                 struct connman_network_driver *driver = list->data;
1070
1071                 if (match_driver(network, driver) == FALSE)
1072                         continue;
1073
1074                 DBG("driver %p name %s", driver, driver->name);
1075
1076                 if (driver->probe(network) == 0) {
1077                         network->driver = driver;
1078                         break;
1079                 }
1080         }
1081
1082         if (network->driver == NULL)
1083                 return -ENODEV;
1084
1085         err = register_interface(element);
1086         if (err < 0) {
1087                 if (network->driver->remove)
1088                         network->driver->remove(network);
1089                 return err;
1090         }
1091
1092         __connman_profile_add_network(network);
1093
1094         return 0;
1095 }
1096
1097 static void network_remove(struct connman_element *element)
1098 {
1099         struct connman_network *network = element->network;
1100
1101         DBG("element %p name %s", element, element->name);
1102
1103         if (network == NULL)
1104                 return;
1105
1106         if (network->driver == NULL)
1107                 return;
1108
1109         __connman_profile_remove_network(network);
1110
1111         unregister_interface(element);
1112
1113         if (network->driver->remove)
1114                 network->driver->remove(network);
1115 }
1116
1117 static void network_change(struct connman_element *element)
1118 {
1119         struct connman_network *network = element->network;
1120
1121         DBG("element %p name %s", element, element->name);
1122
1123         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1124                 return;
1125
1126         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1127                 return;
1128
1129         if (network->connected == FALSE)
1130                 return;
1131
1132         connman_element_unregister_children(element);
1133
1134         connman_device_set_disconnected(network->device, TRUE);
1135
1136         if (network->driver && network->driver->disconnect) {
1137                 network->driver->disconnect(network);
1138                 return;
1139         }
1140
1141         network->connected = FALSE;
1142 }
1143
1144 static struct connman_driver network_driver = {
1145         .name           = "network",
1146         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1147         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1148         .probe          = network_probe,
1149         .remove         = network_remove,
1150         .change         = network_change,
1151 };
1152
1153 static int network_init(struct connman_device *device)
1154 {
1155         DBG("device %p", device);
1156
1157         return 0;
1158 }
1159
1160 static int network_load(struct connman_network *network)
1161 {
1162         GKeyFile *keyfile;
1163         gchar *pathname, *data = NULL;
1164         gsize length;
1165         const char *name;
1166         char *str;
1167         int val;
1168
1169         DBG("network %p", network);
1170
1171         name = connman_device_get_name(network->device);
1172         if (name == NULL)
1173                 return -EINVAL;
1174
1175         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1176         if (pathname == NULL)
1177                 return -ENOMEM;
1178
1179         keyfile = g_key_file_new();
1180
1181         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1182                 g_free(pathname);
1183                 return -ENOENT;
1184         }
1185
1186         g_free(pathname);
1187
1188         if (g_key_file_load_from_data(keyfile, data, length,
1189                                                         0, NULL) == FALSE) {
1190                 g_free(data);
1191                 return -EILSEQ;
1192         }
1193
1194         g_free(data);
1195
1196         network->remember = g_key_file_get_boolean(keyfile,
1197                                         network->identifier, "Remember", NULL);
1198
1199         val = g_key_file_get_integer(keyfile, network->identifier,
1200                                                         "Priority", NULL);
1201         if (val > 0)
1202                 network->priority = val;
1203
1204         str = g_key_file_get_string(keyfile,
1205                                 network->identifier, "WiFi.Security", NULL);
1206         if (str != NULL) {
1207                 g_free(network->wifi.security);
1208                 network->wifi.security = str;
1209         }
1210
1211         str = g_key_file_get_string(keyfile,
1212                                 network->identifier, "WiFi.Passphrase", NULL);
1213         if (str != NULL) {
1214                 g_free(network->wifi.passphrase);
1215                 network->wifi.passphrase = str;
1216         }
1217
1218         g_key_file_free(keyfile);
1219
1220         return 0;
1221 }
1222
1223 static int network_save(struct connman_network *network)
1224 {
1225         GKeyFile *keyfile;
1226         gchar *pathname, *data = NULL;
1227         gsize length;
1228         const char *name;
1229
1230         DBG("network %p", network);
1231
1232         name = connman_device_get_name(network->device);
1233         if (name == NULL)
1234                 return -EINVAL;
1235
1236         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1237         if (pathname == NULL)
1238                 return -ENOMEM;
1239
1240         keyfile = g_key_file_new();
1241
1242         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1243                 goto update;
1244
1245         if (length > 0) {
1246                 if (g_key_file_load_from_data(keyfile, data, length,
1247                                                         0, NULL) == FALSE)
1248                         goto done;
1249         }
1250
1251         g_free(data);
1252
1253 update:
1254         g_key_file_set_boolean(keyfile, network->identifier,
1255                                         "Remember", network->remember);
1256
1257         if (network->priority > 0)
1258                 g_key_file_set_integer(keyfile, network->identifier,
1259                                                 "Priority", network->priority);
1260
1261         if (network->remember == TRUE || network->connected == TRUE) {
1262                 if (network->wifi.security != NULL)
1263                         g_key_file_set_string(keyfile, network->identifier,
1264                                 "WiFi.Security", network->wifi.security);
1265
1266                 if (network->wifi.passphrase != NULL)
1267                         g_key_file_set_string(keyfile, network->identifier,
1268                                 "WiFi.Passphrase", network->wifi.passphrase);
1269         }
1270
1271         data = g_key_file_to_data(keyfile, &length, NULL);
1272
1273         g_file_set_contents(pathname, data, length, NULL);
1274
1275 done:
1276         g_free(data);
1277
1278         g_key_file_free(keyfile);
1279
1280         g_free(pathname);
1281
1282         return 0;
1283 }
1284
1285 static struct connman_storage network_storage = {
1286         .name           = "network",
1287         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1288         .network_init   = network_init,
1289         .network_load   = network_load,
1290         .network_save   = network_save,
1291 };
1292
1293 int __connman_network_init(void)
1294 {
1295         DBG("");
1296
1297         connection = connman_dbus_get_connection();
1298
1299         if (connman_storage_register(&network_storage) < 0)
1300                 connman_error("Failed to register network storage");
1301
1302         return connman_driver_register(&network_driver);
1303 }
1304
1305 void __connman_network_cleanup(void)
1306 {
1307         DBG("");
1308
1309         connman_driver_unregister(&network_driver);
1310
1311         connman_storage_unregister(&network_storage);
1312
1313         dbus_connection_unref(connection);
1314 }