src/service.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 <gdbus.h>
  27
  28 #include "connman.h"
  29
  30 static DBusConnection *connection = NULL;
  31
  32 static GSequence *service_list = NULL;
  33 static GHashTable *service_hash = NULL;
  34
  35 struct connman_service {
  36         gint refcount;
  37         char *identifier;
  38         char *path;
  39         enum connman_service_type type;
  40         enum connman_service_mode mode;
  41         enum connman_service_security security;
  42         enum connman_service_state state;
  43         enum connman_service_error error;
  44         connman_uint8_t strength;
  45         connman_bool_t favorite;
  46         connman_bool_t hidden;
  47         GTimeVal modified;
  48         unsigned int order;
  49         char *name;
  50         char *passphrase;
  51         char *profile;
  52         struct connman_ipconfig *ipconfig;
  53         struct connman_device *device;
  54         struct connman_network *network;
  55         DBusMessage *pending;
  56         guint timeout;
  57 };
  58
  59 static void append_path(gpointer value, gpointer user_data)
  60 {
  61         struct connman_service *service = value;
  62         DBusMessageIter *iter = user_data;
  63
  64         if (service->path == NULL)
  65                 return;
  66
  67         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
  68                                                         &service->path);
  69 }
  70
  71 void __connman_service_list(DBusMessageIter *iter)
  72 {
  73         DBG("");
  74
  75         g_sequence_foreach(service_list, append_path, iter);
  76 }
  77
  78 struct find_data {
  79         const char *path;
  80         struct connman_service *service;
  81 };
  82
  83 static void compare_path(gpointer value, gpointer user_data)
  84 {
  85         struct connman_service *service = value;
  86         struct find_data *data = user_data;
  87
  88         if (data->service != NULL)
  89                 return;
  90
  91         if (g_strcmp0(service->path, data->path) == 0)
  92                 data->service = service;
  93 }
  94
  95 static struct connman_service *find_service(const char *path)
  96 {
  97         struct find_data data = { .path = path, .service = NULL };
  98
  99         DBG("path %s", path);
 100
 101         g_sequence_foreach(service_list, compare_path, &data);
 102
 103         return data.service;
 104 }
 105
 106 static const char *type2string(enum connman_service_type type)
 107 {
 108         switch (type) {
 109         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 110                 break;
 111         case CONNMAN_SERVICE_TYPE_ETHERNET:
 112                 return "ethernet";
 113         case CONNMAN_SERVICE_TYPE_WIFI:
 114                 return "wifi";
 115         case CONNMAN_SERVICE_TYPE_WIMAX:
 116                 return "wimax";
 117         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 118                 return "bluetooth";
 119         case CONNMAN_SERVICE_TYPE_CELLULAR:
 120                 return "cellular";
 121         }
 122
 123         return NULL;
 124 }
 125
 126 static const char *mode2string(enum connman_service_mode mode)
 127 {
 128         switch (mode) {
 129         case CONNMAN_SERVICE_MODE_UNKNOWN:
 130                 break;
 131         case CONNMAN_SERVICE_MODE_MANAGED:
 132                 return "managed";
 133         case CONNMAN_SERVICE_MODE_ADHOC:
 134                 return "adhoc";
 135         }
 136
 137         return NULL;
 138 }
 139
 140 static const char *security2string(enum connman_service_security security)
 141 {
 142         switch (security) {
 143         case CONNMAN_SERVICE_SECURITY_UNKNOWN:
 144                 break;
 145         case CONNMAN_SERVICE_SECURITY_NONE:
 146                 return "none";
 147         case CONNMAN_SERVICE_SECURITY_WEP:
 148                 return "wep";
 149         case CONNMAN_SERVICE_SECURITY_WPA:
 150                 return "wpa";
 151         case CONNMAN_SERVICE_SECURITY_RSN:
 152                 return "rsn";
 153         }
 154
 155         return NULL;
 156 }
 157
 158 static const char *state2string(enum connman_service_state state)
 159 {
 160         switch (state) {
 161         case CONNMAN_SERVICE_STATE_UNKNOWN:
 162                 break;
 163         case CONNMAN_SERVICE_STATE_IDLE:
 164                 return "idle";
 165         case CONNMAN_SERVICE_STATE_CARRIER:
 166                 return "carrier";
 167         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 168                 return "association";
 169         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 170                 return "configuration";
 171         case CONNMAN_SERVICE_STATE_READY:
 172                 return "ready";
 173         case CONNMAN_SERVICE_STATE_DISCONNECT:
 174                 return "disconnect";
 175         case CONNMAN_SERVICE_STATE_FAILURE:
 176                 return "failure";
 177         }
 178
 179         return NULL;
 180 }
 181
 182 static void state_changed(struct connman_service *service)
 183 {
 184         DBusMessage *signal;
 185         DBusMessageIter entry, value;
 186         const char *str, *key = "State";
 187
 188         if (service->path == NULL)
 189                 return;
 190
 191         str = state2string(service->state);
 192         if (str == NULL)
 193                 return;
 194
 195         signal = dbus_message_new_signal(service->path,
 196                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 197         if (signal == NULL)
 198                 return;
 199
 200         dbus_message_iter_init_append(signal, &entry);
 201
 202         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 203
 204         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 205                                         DBUS_TYPE_STRING_AS_STRING, &value);
 206         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 207         dbus_message_iter_close_container(&entry, &value);
 208
 209         g_dbus_send_message(connection, signal);
 210 }
 211
 212 static void strength_changed(struct connman_service *service)
 213 {
 214         DBusMessage *signal;
 215         DBusMessageIter entry, value;
 216         const char *key = "Strength";
 217
 218         if (service->path == NULL)
 219                 return;
 220
 221         if (service->strength == 0)
 222                 return;
 223
 224         signal = dbus_message_new_signal(service->path,
 225                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 226         if (signal == NULL)
 227                 return;
 228
 229         dbus_message_iter_init_append(signal, &entry);
 230
 231         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 232
 233         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 234                                         DBUS_TYPE_BYTE_AS_STRING, &value);
 235         dbus_message_iter_append_basic(&value, DBUS_TYPE_BYTE,
 236                                                         &service->strength);
 237         dbus_message_iter_close_container(&entry, &value);
 238
 239         g_dbus_send_message(connection, signal);
 240 }
 241
 242 static DBusMessage *get_properties(DBusConnection *conn,
 243                                         DBusMessage *msg, void *user_data)
 244 {
 245         struct connman_service *service = user_data;
 246         DBusMessage *reply;
 247         DBusMessageIter array, dict;
 248         const char *str;
 249
 250         DBG("service %p", service);
 251
 252         reply = dbus_message_new_method_return(msg);
 253         if (reply == NULL)
 254                 return NULL;
 255
 256         dbus_message_iter_init_append(reply, &array);
 257
 258         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 259                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 260                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 261                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 262
 263         str = type2string(service->type);
 264         if (str != NULL)
 265                 connman_dbus_dict_append_variant(&dict, "Type",
 266                                                 DBUS_TYPE_STRING, &str);
 267
 268         str = mode2string(service->mode);
 269         if (str != NULL)
 270                 connman_dbus_dict_append_variant(&dict, "Mode",
 271                                                 DBUS_TYPE_STRING, &str);
 272
 273         str = security2string(service->security);
 274         if (str != NULL)
 275                 connman_dbus_dict_append_variant(&dict, "Security",
 276                                                 DBUS_TYPE_STRING, &str);
 277
 278         str = state2string(service->state);
 279         if (str != NULL)
 280                 connman_dbus_dict_append_variant(&dict, "State",
 281                                                 DBUS_TYPE_STRING, &str);
 282
 283         if (service->strength > 0)
 284                 connman_dbus_dict_append_variant(&dict, "Strength",
 285                                         DBUS_TYPE_BYTE, &service->strength);
 286
 287         connman_dbus_dict_append_variant(&dict, "Favorite",
 288                                         DBUS_TYPE_BOOLEAN, &service->favorite);
 289
 290         if (service->name != NULL)
 291                 connman_dbus_dict_append_variant(&dict, "Name",
 292                                         DBUS_TYPE_STRING, &service->name);
 293
 294         if (service->passphrase != NULL &&
 295                         __connman_security_check_privilege(msg,
 296                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 297                 connman_dbus_dict_append_variant(&dict, "Passphrase",
 298                                 DBUS_TYPE_STRING, &service->passphrase);
 299
 300         __connman_ipconfig_append_ipv4(service->ipconfig, &dict, "IPv4.");
 301
 302         dbus_message_iter_close_container(&array, &dict);
 303
 304         return reply;
 305 }
 306
 307 static DBusMessage *set_property(DBusConnection *conn,
 308                                         DBusMessage *msg, void *user_data)
 309 {
 310         struct connman_service *service = user_data;
 311         DBusMessageIter iter, value;
 312         const char *name;
 313         int type;
 314
 315         DBG("service %p", service);
 316
 317         if (dbus_message_iter_init(msg, &iter) == FALSE)
 318                 return __connman_error_invalid_arguments(msg);
 319
 320         dbus_message_iter_get_basic(&iter, &name);
 321         dbus_message_iter_next(&iter);
 322         dbus_message_iter_recurse(&iter, &value);
 323
 324         if (__connman_security_check_privilege(msg,
 325                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 326                 return __connman_error_permission_denied(msg);
 327
 328         type = dbus_message_iter_get_arg_type(&value);
 329
 330         if (g_str_equal(name, "Passphrase") == TRUE) {
 331                 const char *passphrase;
 332
 333                 if (type != DBUS_TYPE_STRING)
 334                         return __connman_error_invalid_arguments(msg);
 335
 336                 if (__connman_security_check_privilege(msg,
 337                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 338                         return __connman_error_permission_denied(msg);
 339
 340                 dbus_message_iter_get_basic(&value, &passphrase);
 341
 342                 g_free(service->passphrase);
 343                 service->passphrase = g_strdup(passphrase);
 344
 345                 if (service->network != NULL)
 346                         connman_network_set_string(service->network,
 347                                 "WiFi.Passphrase", service->passphrase);
 348
 349                 __connman_storage_save_service(service);
 350         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 351                 int err;
 352
 353                 err = __connman_ipconfig_set_ipv4(service->ipconfig,
 354                                                         name + 5, &value);
 355                 if (err < 0)
 356                         return __connman_error_failed(msg, -err);
 357         } else
 358                 return __connman_error_invalid_property(msg);
 359
 360         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 361 }
 362
 363 static gboolean connect_timeout(gpointer user_data)
 364 {
 365         struct connman_service *service = user_data;
 366
 367         DBG("service %p", service);
 368
 369         service->timeout = 0;
 370
 371         if (service->network != NULL)
 372                 __connman_network_disconnect(service->network);
 373
 374         if (service->pending != NULL) {
 375                 DBusMessage *reply;
 376
 377                 reply = __connman_error_operation_timeout(service->pending);
 378                 if (reply != NULL)
 379                         g_dbus_send_message(connection, reply);
 380
 381                 dbus_message_unref(service->pending);
 382                 service->pending = NULL;
 383
 384                 __connman_service_indicate_state(service,
 385                                         CONNMAN_SERVICE_STATE_FAILURE);
 386         }
 387
 388         return FALSE;
 389 }
 390
 391 static DBusMessage *connect_service(DBusConnection *conn,
 392                                         DBusMessage *msg, void *user_data)
 393 {
 394         struct connman_service *service = user_data;
 395
 396         DBG("service %p", service);
 397
 398         if (service->pending != NULL)
 399                 return __connman_error_in_progress(msg);
 400
 401         if (service->state == CONNMAN_SERVICE_STATE_READY)
 402                 return __connman_error_already_connected(msg);
 403
 404         if (service->network != NULL) {
 405                 int err;
 406
 407                 if (service->hidden == TRUE)
 408                         return __connman_error_invalid_service(msg);
 409
 410                 connman_network_set_string(service->network,
 411                                 "WiFi.Passphrase", service->passphrase);
 412
 413                 err = __connman_network_connect(service->network);
 414                 if (err < 0 && err != -EINPROGRESS)
 415                         return __connman_error_failed(msg, -err);
 416
 417                 service->pending = dbus_message_ref(msg);
 418
 419                 service->timeout = g_timeout_add_seconds(45,
 420                                                 connect_timeout, service);
 421
 422                 return NULL;
 423         } else if (service->device != NULL) {
 424                 if (service->favorite == FALSE)
 425                         return __connman_error_no_carrier(msg);
 426
 427                 if (__connman_device_connect(service->device) < 0)
 428                         return __connman_error_failed(msg, EINVAL);
 429
 430                 service->pending = dbus_message_ref(msg);
 431                 service->timeout = g_timeout_add_seconds(15,
 432                                                 connect_timeout, service);
 433
 434                 return NULL;
 435         }
 436
 437         return __connman_error_not_supported(msg);
 438 }
 439
 440 static DBusMessage *disconnect_service(DBusConnection *conn,
 441                                         DBusMessage *msg, void *user_data)
 442 {
 443         struct connman_service *service = user_data;
 444
 445         DBG("service %p", service);
 446
 447         if (service->pending != NULL) {
 448                 DBusMessage *reply;
 449
 450                 reply = __connman_error_operation_aborted(service->pending);
 451                 if (reply != NULL)
 452                         g_dbus_send_message(conn, reply);
 453
 454                 dbus_message_unref(service->pending);
 455                 service->pending = NULL;
 456
 457                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 458         }
 459
 460         if (service->network != NULL) {
 461                 int err;
 462
 463                 err = __connman_network_disconnect(service->network);
 464                 if (err < 0 && err != -EINPROGRESS)
 465                         return __connman_error_failed(msg, -err);
 466
 467                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 468         } else if (service->device != NULL) {
 469                 int err;
 470
 471                 if (service->favorite == FALSE)
 472                         return __connman_error_no_carrier(msg);
 473
 474                 err = __connman_device_disconnect(service->device);
 475                 if (err < 0)
 476                         return __connman_error_failed(msg, -err);
 477
 478                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 479         }
 480
 481         return __connman_error_not_supported(msg);
 482 }
 483
 484 static DBusMessage *remove_service(DBusConnection *conn,
 485                                         DBusMessage *msg, void *user_data)
 486 {
 487         struct connman_service *service = user_data;
 488
 489         DBG("service %p", service);
 490
 491         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 492                 return __connman_error_not_supported(msg);
 493
 494         if (service->favorite == FALSE)
 495                 return __connman_error_not_supported(msg);
 496
 497         if (service->network != NULL)
 498                 __connman_network_disconnect(service->network);
 499
 500         connman_service_set_favorite(service, FALSE);
 501         __connman_storage_save_service(service);
 502
 503         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 504 }
 505
 506 static DBusMessage *move_before(DBusConnection *conn,
 507                                         DBusMessage *msg, void *user_data)
 508 {
 509         struct connman_service *service = user_data;
 510         struct connman_service *target;
 511         const char *path;
 512         GSequenceIter *src, *dst;
 513
 514         DBG("service %p", service);
 515
 516         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 517                                                         DBUS_TYPE_INVALID);
 518
 519         if (service->favorite == FALSE)
 520                 return __connman_error_not_supported(msg);
 521
 522         target = find_service(path);
 523         if (target == NULL || target->favorite == FALSE || target == service)
 524                 return __connman_error_invalid_service(msg);
 525
 526         DBG("target %s", target->identifier);
 527
 528         g_get_current_time(&service->modified);
 529         __connman_storage_save_service(service);
 530
 531         src = g_hash_table_lookup(service_hash, service->identifier);
 532         dst = g_hash_table_lookup(service_hash, target->identifier);
 533
 534 #if 0
 535         g_sequence_move(src, dst);
 536
 537         __connman_profile_changed();
 538
 539         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 540 #endif
 541         return __connman_error_not_implemented(msg);
 542 }
 543
 544 static DBusMessage *move_after(DBusConnection *conn,
 545                                         DBusMessage *msg, void *user_data)
 546 {
 547         struct connman_service *service = user_data;
 548         struct connman_service *target;
 549         const char *path;
 550
 551         DBG("service %p", service);
 552
 553         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 554                                                         DBUS_TYPE_INVALID);
 555
 556         if (service->favorite == FALSE)
 557                 return __connman_error_not_supported(msg);
 558
 559         target = find_service(path);
 560         if (target == NULL || target->favorite == FALSE || target == service)
 561                 return __connman_error_invalid_service(msg);
 562
 563         DBG("target %s", target->identifier);
 564
 565         g_get_current_time(&service->modified);
 566         __connman_storage_save_service(service);
 567
 568         return __connman_error_not_implemented(msg);
 569 }
 570
 571 static GDBusMethodTable service_methods[] = {
 572         { "GetProperties", "",   "a{sv}", get_properties     },
 573         { "SetProperty",   "sv", "",      set_property       },
 574         { "Connect",       "",   "",      connect_service,
 575                                                 G_DBUS_METHOD_FLAG_ASYNC },
 576         { "Disconnect",    "",   "",      disconnect_service },
 577         { "Remove",        "",   "",      remove_service     },
 578         { "MoveBefore",    "o",  "",      move_before        },
 579         { "MoveAfter",     "o",  "",      move_after         },
 580         { },
 581 };
 582
 583 static GDBusSignalTable service_signals[] = {
 584         { "PropertyChanged", "sv" },
 585         { },
 586 };
 587
 588 static void service_free(gpointer user_data)
 589 {
 590         struct connman_service *service = user_data;
 591         char *path = service->path;
 592
 593         DBG("service %p", service);
 594
 595         g_hash_table_remove(service_hash, service->identifier);
 596
 597         if (service->timeout > 0) {
 598                 g_source_remove(service->timeout);
 599                 service->timeout = 0;
 600         }
 601
 602         if (service->pending != NULL) {
 603                 dbus_message_unref(service->pending);
 604                 service->pending = NULL;
 605         }
 606
 607         service->path = NULL;
 608
 609         if (path != NULL) {
 610                 __connman_profile_changed();
 611
 612                 g_dbus_unregister_interface(connection, path,
 613                                                 CONNMAN_SERVICE_INTERFACE);
 614                 g_free(path);
 615         }
 616
 617         if (service->network != NULL)
 618                 connman_network_unref(service->network);
 619
 620         connman_ipconfig_unref(service->ipconfig);
 621
 622         g_free(service->profile);
 623         g_free(service->name);
 624         g_free(service->passphrase);
 625         g_free(service->identifier);
 626         g_free(service);
 627 }
 628
 629 /**
 630  * __connman_service_put:
 631  * @service: service structure
 632  *
 633  * Release service if no longer needed
 634  */
 635 void __connman_service_put(struct connman_service *service)
 636 {
 637         DBG("service %p", service);
 638
 639         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 640                 GSequenceIter *iter;
 641
 642                 iter = g_hash_table_lookup(service_hash, service->identifier);
 643                 if (iter != NULL)
 644                         g_sequence_remove(iter);
 645                 else
 646                         service_free(service);
 647         }
 648 }
 649
 650 static void __connman_service_initialize(struct connman_service *service)
 651 {
 652         DBG("service %p", service);
 653
 654         service->refcount = 1;
 655
 656         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
 657         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
 658         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
 659         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
 660
 661         service->favorite = FALSE;
 662         service->hidden = FALSE;
 663
 664         service->order = 0;
 665 }
 666
 667 /**
 668  * connman_service_create:
 669  *
 670  * Allocate a new service.
 671  *
 672  * Returns: a newly-allocated #connman_service structure
 673  */
 674 struct connman_service *connman_service_create(void)
 675 {
 676         struct connman_service *service;
 677
 678         service = g_try_new0(struct connman_service, 1);
 679         if (service == NULL)
 680                 return NULL;
 681
 682         DBG("service %p", service);
 683
 684         __connman_service_initialize(service);
 685
 686         service->ipconfig = connman_ipconfig_create();
 687         if (service->ipconfig == NULL) {
 688                 g_free(service);
 689                 return NULL;
 690         }
 691
 692         connman_ipconfig_set_method(service->ipconfig,
 693                                         CONNMAN_IPCONFIG_METHOD_DHCP);
 694
 695         return service;
 696 }
 697
 698 /**
 699  * connman_service_ref:
 700  * @service: service structure
 701  *
 702  * Increase reference counter of service
 703  */
 704 struct connman_service *connman_service_ref(struct connman_service *service)
 705 {
 706         g_atomic_int_inc(&service->refcount);
 707
 708         return service;
 709 }
 710
 711 /**
 712  * connman_service_unref:
 713  * @service: service structure
 714  *
 715  * Decrease reference counter of service
 716  */
 717 void connman_service_unref(struct connman_service *service)
 718 {
 719         __connman_service_put(service);
 720 }
 721
 722 static gint service_compare(gconstpointer a, gconstpointer b,
 723                                                         gpointer user_data)
 724 {
 725         struct connman_service *service_a = (void *) a;
 726         struct connman_service *service_b = (void *) b;
 727
 728         if (service_a->state != service_b->state) {
 729                 if (service_a->state == CONNMAN_SERVICE_STATE_READY)
 730                         return -1;
 731                 if (service_b->state == CONNMAN_SERVICE_STATE_READY)
 732                         return 1;
 733         }
 734
 735         if (service_a->order > service_b->order)
 736                 return -1;
 737
 738         if (service_a->order < service_b->order)
 739                 return 1;
 740
 741         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
 742                 return -1;
 743
 744         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
 745                 return 1;
 746
 747         return (gint) service_b->strength - (gint) service_a->strength;
 748 }
 749
 750 /**
 751  * connman_service_set_favorite:
 752  * @service: service structure
 753  * @favorite: favorite value
 754  *
 755  * Change the favorite setting of service
 756  */
 757 int connman_service_set_favorite(struct connman_service *service,
 758                                                 connman_bool_t favorite)
 759 {
 760         GSequenceIter *iter;
 761
 762         iter = g_hash_table_lookup(service_hash, service->identifier);
 763         if (iter == NULL)
 764                 return -ENOENT;
 765
 766         if (service->favorite == favorite)
 767                 return -EALREADY;
 768
 769         service->favorite = favorite;
 770
 771         g_sequence_sort_changed(iter, service_compare, NULL);
 772
 773         __connman_profile_changed();
 774
 775         return 0;
 776 }
 777
 778 int __connman_service_set_carrier(struct connman_service *service,
 779                                                 connman_bool_t carrier)
 780 {
 781         DBG("service %p carrier %d", service, carrier);
 782
 783         if (service == NULL)
 784                 return -EINVAL;
 785
 786         switch (service->type) {
 787         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 788         case CONNMAN_SERVICE_TYPE_WIFI:
 789         case CONNMAN_SERVICE_TYPE_WIMAX:
 790         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 791         case CONNMAN_SERVICE_TYPE_CELLULAR:
 792                 return -EINVAL;
 793         case CONNMAN_SERVICE_TYPE_ETHERNET:
 794                 break;
 795         }
 796
 797         if (carrier == FALSE) {
 798                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 799                 state_changed(service);
 800
 801                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 802                 state_changed(service);
 803         } else {
 804                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
 805                 state_changed(service);
 806         }
 807
 808         return connman_service_set_favorite(service, carrier);
 809 }
 810
 811 int __connman_service_indicate_state(struct connman_service *service,
 812                                         enum connman_service_state state)
 813 {
 814         GSequenceIter *iter;
 815
 816         DBG("service %p state %d", service, state);
 817
 818         if (service == NULL)
 819                 return -EINVAL;
 820
 821         if (state == CONNMAN_SERVICE_STATE_CARRIER)
 822                 return __connman_service_set_carrier(service, TRUE);
 823
 824         if (service->state == state)
 825                 return -EALREADY;
 826
 827         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
 828                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
 829                 return -EINVAL;
 830
 831         if (state == CONNMAN_SERVICE_STATE_IDLE &&
 832                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
 833                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 834                 state_changed(service);
 835         }
 836
 837         service->state = state;
 838         state_changed(service);
 839
 840         if (state == CONNMAN_SERVICE_STATE_READY) {
 841                 connman_service_set_favorite(service, TRUE);
 842                 __connman_storage_save_service(service);
 843
 844                 if (service->timeout > 0) {
 845                         g_source_remove(service->timeout);
 846                         service->timeout = 0;
 847                 }
 848
 849                 if (service->pending != NULL) {
 850                         g_dbus_send_reply(connection, service->pending,
 851                                                         DBUS_TYPE_INVALID);
 852
 853                         dbus_message_unref(service->pending);
 854                         service->pending = NULL;
 855                 }
 856
 857                 g_get_current_time(&service->modified);
 858                 __connman_storage_save_service(service);
 859         }
 860
 861         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
 862                 if (service->timeout > 0) {
 863                         g_source_remove(service->timeout);
 864                         service->timeout = 0;
 865                 }
 866
 867                 if (service->pending != NULL) {
 868                         DBusMessage *reply;
 869
 870                         reply = __connman_error_failed(service->pending, EIO);
 871                         if (reply != NULL)
 872                                 g_dbus_send_message(connection, reply);
 873
 874                         dbus_message_unref(service->pending);
 875                         service->pending = NULL;
 876                 }
 877
 878                 g_get_current_time(&service->modified);
 879                 __connman_storage_save_service(service);
 880         } else
 881                 service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
 882
 883         iter = g_hash_table_lookup(service_hash, service->identifier);
 884         if (iter != NULL)
 885                 g_sequence_sort_changed(iter, service_compare, NULL);
 886
 887         __connman_profile_changed();
 888
 889         return 0;
 890 }
 891
 892 int __connman_service_indicate_error(struct connman_service *service,
 893                                         enum connman_service_error error)
 894 {
 895         DBG("service %p error %d", service, error);
 896
 897         if (service == NULL)
 898                 return -EINVAL;
 899
 900         service->error = error;
 901
 902         return __connman_service_indicate_state(service,
 903                                         CONNMAN_SERVICE_STATE_FAILURE);
 904 }
 905
 906 int __connman_service_indicate_default(struct connman_service *service)
 907 {
 908         DBG("service %p", service);
 909
 910         return 0;
 911 }
 912
 913 /**
 914  * __connman_service_lookup:
 915  * @identifier: service identifier
 916  *
 917  * Look up a service by identifier (reference count will not be increased)
 918  */
 919 static struct connman_service *__connman_service_lookup(const char *identifier)
 920 {
 921         GSequenceIter *iter;
 922
 923         iter = g_hash_table_lookup(service_hash, identifier);
 924         if (iter != NULL)
 925                 return g_sequence_get(iter);
 926
 927         return NULL;
 928 }
 929
 930 /**
 931  * __connman_service_get:
 932  * @identifier: service identifier
 933  *
 934  * Look up a service by identifier or create a new one if not found
 935  */
 936 static struct connman_service *__connman_service_get(const char *identifier)
 937 {
 938         struct connman_service *service;
 939         GSequenceIter *iter;
 940
 941         iter = g_hash_table_lookup(service_hash, identifier);
 942         if (iter != NULL) {
 943                 service = g_sequence_get(iter);
 944                 if (service != NULL)
 945                         g_atomic_int_inc(&service->refcount);
 946                 return service;
 947         }
 948
 949         service = connman_service_create();
 950         if (service == NULL)
 951                 return NULL;
 952
 953         DBG("service %p", service);
 954
 955         service->identifier = g_strdup(identifier);
 956
 957         service->profile = g_strdup(__connman_profile_active_ident());
 958
 959         __connman_storage_load_service(service);
 960
 961         iter = g_sequence_insert_sorted(service_list, service,
 962                                                 service_compare, NULL);
 963
 964         g_hash_table_insert(service_hash, service->identifier, iter);
 965
 966         return service;
 967 }
 968
 969 static int service_register(struct connman_service *service)
 970 {
 971         const char *path = __connman_profile_active_path();
 972         GSequenceIter *iter;
 973
 974         DBG("service %p", service);
 975
 976         if (service->path != NULL)
 977                 return -EALREADY;
 978
 979         service->path = g_strdup_printf("%s/%s", path, service->identifier);
 980
 981         DBG("path %s", service->path);
 982
 983         g_dbus_register_interface(connection, service->path,
 984                                         CONNMAN_SERVICE_INTERFACE,
 985                                         service_methods, service_signals,
 986                                                         NULL, service, NULL);
 987
 988         __connman_storage_load_service(service);
 989
 990         iter = g_hash_table_lookup(service_hash, service->identifier);
 991         if (iter != NULL)
 992                 g_sequence_sort_changed(iter, service_compare, NULL);
 993
 994         __connman_profile_changed();
 995
 996         return 0;
 997 }
 998
 999 /**
1000  * connman_service_lookup_from_device:
1001  * @device: device structure
1002  *
1003  * Look up a service by device (reference count will not be increased)
1004  */
1005 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
1006 {
1007         struct connman_service *service;
1008         const char *ident;
1009         char *name;
1010
1011         ident = __connman_device_get_ident(device);
1012         if (ident == NULL)
1013                 return NULL;
1014
1015         name = g_strdup_printf("%s_%s",
1016                                 __connman_device_get_type(device), ident);
1017
1018         service = __connman_service_lookup(name);
1019
1020         g_free(name);
1021
1022         return service;
1023 }
1024
1025 static enum connman_service_type convert_device_type(struct connman_device *device)
1026 {
1027         enum connman_device_type type = connman_device_get_type(device);
1028
1029         switch (type) {
1030         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1031         case CONNMAN_DEVICE_TYPE_VENDOR:
1032         case CONNMAN_DEVICE_TYPE_WIFI:
1033         case CONNMAN_DEVICE_TYPE_WIMAX:
1034         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1035         case CONNMAN_DEVICE_TYPE_GPS:
1036         case CONNMAN_DEVICE_TYPE_HSO:
1037         case CONNMAN_DEVICE_TYPE_NOZOMI:
1038         case CONNMAN_DEVICE_TYPE_HUAWEI:
1039         case CONNMAN_DEVICE_TYPE_NOVATEL:
1040                 break;
1041         case CONNMAN_DEVICE_TYPE_ETHERNET:
1042                 return CONNMAN_SERVICE_TYPE_ETHERNET;
1043         }
1044
1045         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1046 }
1047
1048 /**
1049  * connman_service_create_from_device:
1050  * @device: device structure
1051  *
1052  * Look up service by device and if not found, create one
1053  */
1054 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
1055 {
1056         struct connman_service *service;
1057         const char *ident;
1058         char *name;
1059
1060         ident = __connman_device_get_ident(device);
1061         if (ident == NULL)
1062                 return NULL;
1063
1064         name = g_strdup_printf("%s_%s",
1065                                 __connman_device_get_type(device), ident);
1066
1067         service = __connman_service_get(name);
1068         if (service == NULL)
1069                 goto done;
1070
1071         if (service->path != NULL) {
1072                 __connman_service_put(service);
1073                 service = NULL;
1074                 goto done;
1075         }
1076
1077         service->type = convert_device_type(device);
1078
1079         service->device = device;
1080
1081         service_register(service);
1082
1083 done:
1084         g_free(name);
1085
1086         return service;
1087 }
1088
1089 /**
1090  * connman_service_lookup_from_network:
1091  * @network: network structure
1092  *
1093  * Look up a service by network (reference count will not be increased)
1094  */
1095 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
1096 {
1097         struct connman_service *service;
1098         const char *ident, *group;
1099         char *name;
1100
1101         ident = __connman_network_get_ident(network);
1102         if (ident == NULL)
1103                 return NULL;
1104
1105         group = __connman_network_get_group(network);
1106         if (group == NULL)
1107                 return NULL;
1108
1109         name = g_strdup_printf("%s_%s_%s",
1110                         __connman_network_get_type(network), ident, group);
1111
1112         service = __connman_service_lookup(name);
1113
1114         g_free(name);
1115
1116         return service;
1117 }
1118
1119 unsigned int __connman_service_get_order(struct connman_service *service)
1120 {
1121         return service->order;
1122 }
1123
1124 static enum connman_service_type convert_network_type(struct connman_network *network)
1125 {
1126         enum connman_network_type type = connman_network_get_type(network);
1127
1128         switch (type) {
1129         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1130         case CONNMAN_NETWORK_TYPE_VENDOR:
1131         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1132         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1133         case CONNMAN_NETWORK_TYPE_HSO:
1134                 break;
1135         case CONNMAN_NETWORK_TYPE_WIFI:
1136                 return CONNMAN_SERVICE_TYPE_WIFI;
1137         case CONNMAN_NETWORK_TYPE_WIMAX:
1138                 return CONNMAN_SERVICE_TYPE_WIMAX;
1139         }
1140
1141         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1142 }
1143
1144 static enum connman_service_mode convert_wifi_mode(const char *mode)
1145 {
1146         if (mode == NULL)
1147                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1148         else if (g_str_equal(mode, "managed") == TRUE)
1149                 return CONNMAN_SERVICE_MODE_MANAGED;
1150         else if (g_str_equal(mode, "adhoc") == TRUE)
1151                 return CONNMAN_SERVICE_MODE_ADHOC;
1152         else
1153                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1154 }
1155
1156 static enum connman_service_mode convert_wifi_security(const char *security)
1157 {
1158         if (security == NULL)
1159                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1160         else if (g_str_equal(security, "none") == TRUE)
1161                 return CONNMAN_SERVICE_SECURITY_NONE;
1162         else if (g_str_equal(security, "wep") == TRUE)
1163                 return CONNMAN_SERVICE_SECURITY_WEP;
1164         else if (g_str_equal(security, "wpa") == TRUE)
1165                 return CONNMAN_SERVICE_SECURITY_WPA;
1166         else if (g_str_equal(security, "rsn") == TRUE)
1167                 return CONNMAN_SERVICE_SECURITY_RSN;
1168         else
1169                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1170 }
1171
1172 static void update_from_network(struct connman_service *service,
1173                                         struct connman_network *network)
1174 {
1175         connman_uint8_t strength = service->strength;
1176         GSequenceIter *iter;
1177         const char *str;
1178
1179         str = connman_network_get_string(network, "Name");
1180         if (str != NULL) {
1181                 g_free(service->name);
1182                 service->name = g_strdup(str);
1183                 service->hidden = FALSE;
1184         } else {
1185                 g_free(service->name);
1186                 service->name = NULL;
1187                 service->hidden = TRUE;
1188         }
1189
1190         service->strength = connman_network_get_uint8(network, "Strength");
1191
1192         str = connman_network_get_string(network, "WiFi.Mode");
1193         service->mode = convert_wifi_mode(str);
1194
1195         str = connman_network_get_string(network, "WiFi.Security");
1196         service->security = convert_wifi_security(str);
1197
1198         if (service->strength > strength && service->network != NULL) {
1199                 connman_network_unref(service->network);
1200                 service->network = NULL;
1201
1202                 strength_changed(service);
1203         }
1204
1205         if (service->network == NULL) {
1206                 service->network = connman_network_ref(network);
1207
1208                 str = connman_network_get_string(network, "WiFi.Passphrase");
1209                 if (str != NULL) {
1210                         g_free(service->passphrase);
1211                         service->passphrase = g_strdup(str);
1212                 }
1213         }
1214
1215         iter = g_hash_table_lookup(service_hash, service->identifier);
1216         if (iter != NULL)
1217                 g_sequence_sort_changed(iter, service_compare, NULL);
1218 }
1219
1220 /**
1221  * connman_service_create_from_network:
1222  * @network: network structure
1223  *
1224  * Look up service by network and if not found, create one
1225  */
1226 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1227 {
1228         struct connman_service *service;
1229         const char *ident, *group;
1230         char *name;
1231
1232         if (__connman_service_lookup_from_network(network) != NULL) {
1233                 connman_error("Service already exists");
1234                 return NULL;
1235         }
1236
1237         ident = __connman_network_get_ident(network);
1238         if (ident == NULL)
1239                 return NULL;
1240
1241         group = __connman_network_get_group(network);
1242         if (group == NULL)
1243                 return NULL;
1244
1245         name = g_strdup_printf("%s_%s_%s",
1246                         __connman_network_get_type(network), ident, group);
1247
1248         service = __connman_service_get(name);
1249         if (service == NULL)
1250                 goto done;
1251
1252         if (service->path != NULL) {
1253                 update_from_network(service, network);
1254
1255                 __connman_profile_changed();
1256
1257                 __connman_service_put(service);
1258                 service = NULL;
1259                 goto done;
1260         }
1261
1262         service->type = convert_network_type(network);
1263
1264         service->state = CONNMAN_SERVICE_STATE_IDLE;
1265
1266         update_from_network(service, network);
1267
1268         service_register(service);
1269
1270 done:
1271         g_free(name);
1272
1273         return service;
1274 }
1275
1276 static const char *error2string(enum connman_service_error error)
1277 {
1278         switch (error) {
1279         case CONNMAN_SERVICE_ERROR_UNKNOWN:
1280                 break;
1281         }
1282
1283         return NULL;
1284 }
1285
1286 static enum connman_service_error string2error(const char *error)
1287 {
1288         return CONNMAN_SERVICE_ERROR_UNKNOWN;
1289 }
1290
1291 static int service_load(struct connman_service *service)
1292 {
1293         GKeyFile *keyfile;
1294         gchar *pathname, *data = NULL;
1295         gsize length;
1296         gchar *str;
1297
1298         DBG("service %p", service);
1299
1300         if (service->profile == NULL)
1301                 return -EINVAL;
1302
1303         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1304         if (pathname == NULL)
1305                 return -ENOMEM;
1306
1307         keyfile = g_key_file_new();
1308
1309         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1310                 g_free(pathname);
1311                 return -ENOENT;
1312         }
1313
1314         g_free(pathname);
1315
1316         if (g_key_file_load_from_data(keyfile, data, length,
1317                                                         0, NULL) == FALSE) {
1318                 g_free(data);
1319                 return -EILSEQ;
1320         }
1321
1322         g_free(data);
1323
1324         switch (service->type) {
1325         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1326         case CONNMAN_SERVICE_TYPE_ETHERNET:
1327                 break;
1328         case CONNMAN_SERVICE_TYPE_WIFI:
1329         case CONNMAN_SERVICE_TYPE_WIMAX:
1330         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1331         case CONNMAN_SERVICE_TYPE_CELLULAR:
1332                 service->favorite = g_key_file_get_boolean(keyfile,
1333                                 service->identifier, "Favorite", NULL);
1334
1335                 str = g_key_file_get_string(keyfile,
1336                                 service->identifier, "Failure", NULL);
1337                 if (str != NULL) {
1338                         service->state = CONNMAN_SERVICE_STATE_FAILURE;
1339                         service->error = string2error(str);
1340                 }
1341                 break;
1342         }
1343
1344         str = g_key_file_get_string(keyfile,
1345                                 service->identifier, "Modified", NULL);
1346         if (str != NULL) {
1347                 g_time_val_from_iso8601(str, &service->modified);
1348                 g_free(str);
1349         }
1350
1351         str = g_key_file_get_string(keyfile,
1352                                 service->identifier, "Passphrase", NULL);
1353         if (str != NULL) {
1354                 g_free(service->passphrase);
1355                 service->passphrase = str;
1356         }
1357
1358         __connman_ipconfig_load(service->ipconfig, keyfile,
1359                                         service->identifier, "IPv4.");
1360
1361         g_key_file_free(keyfile);
1362
1363         return 0;
1364 }
1365
1366 static int service_save(struct connman_service *service)
1367 {
1368         GKeyFile *keyfile;
1369         gchar *pathname, *data = NULL;
1370         gsize length;
1371         gchar *str;
1372
1373         DBG("service %p", service);
1374
1375         if (service->profile == NULL)
1376                 return -EINVAL;
1377
1378         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1379         if (pathname == NULL)
1380                 return -ENOMEM;
1381
1382         keyfile = g_key_file_new();
1383
1384         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1385                 goto update;
1386
1387         if (length > 0) {
1388                 if (g_key_file_load_from_data(keyfile, data, length,
1389                                                         0, NULL) == FALSE)
1390                         goto done;
1391         }
1392
1393         g_free(data);
1394
1395 update:
1396         if (service->name != NULL)
1397                 g_key_file_set_string(keyfile, service->identifier,
1398                                                 "Name", service->name);
1399
1400         switch (service->type) {
1401         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1402         case CONNMAN_SERVICE_TYPE_ETHERNET:
1403                 break;
1404         case CONNMAN_SERVICE_TYPE_WIFI:
1405         case CONNMAN_SERVICE_TYPE_WIMAX:
1406         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1407         case CONNMAN_SERVICE_TYPE_CELLULAR:
1408                 g_key_file_set_boolean(keyfile, service->identifier,
1409                                         "Favorite", service->favorite);
1410
1411                 if (service->state == CONNMAN_SERVICE_STATE_FAILURE) {
1412                         const char *failure = error2string(service->error);
1413                         if (failure != NULL)
1414                                 g_key_file_set_string(keyfile,
1415                                                         service->identifier,
1416                                                         "Failure", failure);
1417                 } else {
1418                         g_key_file_remove_key(keyfile, service->identifier,
1419                                                         "Failure", NULL);
1420                 }
1421                 break;
1422         }
1423
1424         str = g_time_val_to_iso8601(&service->modified);
1425         if (str != NULL) {
1426                 g_key_file_set_string(keyfile, service->identifier,
1427                                                         "Modified", str);
1428                 g_free(str);
1429         }
1430
1431         if (service->passphrase != NULL)
1432                 g_key_file_set_string(keyfile, service->identifier,
1433                                         "Passphrase", service->passphrase);
1434
1435         __connman_ipconfig_save(service->ipconfig, keyfile,
1436                                         service->identifier, "IPv4.");
1437
1438         data = g_key_file_to_data(keyfile, &length, NULL);
1439
1440         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1441                 connman_error("Failed to store service information");
1442
1443 done:
1444         g_free(data);
1445
1446         g_key_file_free(keyfile);
1447
1448         g_free(pathname);
1449
1450         return 0;
1451 }
1452
1453 static struct connman_storage service_storage = {
1454         .name           = "service",
1455         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1456         .service_load   = service_load,
1457         .service_save   = service_save,
1458 };
1459
1460 int __connman_service_init(void)
1461 {
1462         DBG("");
1463
1464         connection = connman_dbus_get_connection();
1465
1466         if (connman_storage_register(&service_storage) < 0)
1467                 connman_error("Failed to register service storage");
1468
1469         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1470                                                                 NULL, NULL);
1471
1472         service_list = g_sequence_new(service_free);
1473
1474         return 0;
1475 }
1476
1477 void __connman_service_cleanup(void)
1478 {
1479         DBG("");
1480
1481         g_sequence_free(service_list);
1482         service_list = NULL;
1483
1484         g_hash_table_destroy(service_hash);
1485         service_hash = NULL;
1486
1487         connman_storage_unregister(&service_storage);
1488
1489         dbus_connection_unref(connection);
1490 }