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