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