git.maemo.org Git - connman/blob - 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         connman_uint8_t strength;
  44         connman_bool_t favorite;
  45         unsigned int order;
  46         char *name;
  47         char *passphrase;
  48         char *profile;
  49         struct connman_device *device;
  50         struct connman_network *network;
  51         DBusMessage *pending;
  52         guint timeout;
  53 };
  54
  55 static void append_path(gpointer value, gpointer user_data)
  56 {
  57         struct connman_service *service = value;
  58         DBusMessageIter *iter = user_data;
  59
  60         if (service->path == NULL)
  61                 return;
  62
  63         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
  64                                                         &service->path);
  65 }
  66
  67 void __connman_service_list(DBusMessageIter *iter)
  68 {
  69         DBG("");
  70
  71         g_sequence_foreach(service_list, append_path, iter);
  72 }
  73
  74 static const char *type2string(enum connman_service_type type)
  75 {
  76         switch (type) {
  77         case CONNMAN_SERVICE_TYPE_UNKNOWN:
  78                 break;
  79         case CONNMAN_SERVICE_TYPE_ETHERNET:
  80                 return "ethernet";
  81         case CONNMAN_SERVICE_TYPE_WIFI:
  82                 return "wifi";
  83         case CONNMAN_SERVICE_TYPE_WIMAX:
  84                 return "wimax";
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static const char *mode2string(enum connman_service_mode mode)
  91 {
  92         switch (mode) {
  93         case CONNMAN_SERVICE_MODE_UNKNOWN:
  94                 break;
  95         case CONNMAN_SERVICE_MODE_MANAGED:
  96                 return "managed";
  97         case CONNMAN_SERVICE_MODE_ADHOC:
  98                 return "adhoc";
  99         }
 100
 101         return NULL;
 102 }
 103
 104 static const char *security2string(enum connman_service_security security)
 105 {
 106         switch (security) {
 107         case CONNMAN_SERVICE_SECURITY_UNKNOWN:
 108                 break;
 109         case CONNMAN_SERVICE_SECURITY_NONE:
 110                 return "none";
 111         case CONNMAN_SERVICE_SECURITY_WEP:
 112                 return "wep";
 113         case CONNMAN_SERVICE_SECURITY_WPA:
 114                 return "wpa";
 115         case CONNMAN_SERVICE_SECURITY_WPA2:
 116                 return "wpa2";
 117         }
 118
 119         return NULL;
 120 }
 121
 122 static const char *state2string(enum connman_service_state state)
 123 {
 124         switch (state) {
 125         case CONNMAN_SERVICE_STATE_UNKNOWN:
 126                 break;
 127         case CONNMAN_SERVICE_STATE_IDLE:
 128                 return "idle";
 129         case CONNMAN_SERVICE_STATE_CARRIER:
 130                 return "carrier";
 131         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 132                 return "association";
 133         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 134                 return "configuration";
 135         case CONNMAN_SERVICE_STATE_READY:
 136                 return "ready";
 137         case CONNMAN_SERVICE_STATE_DISCONNECT:
 138                 return "disconnect";
 139         case CONNMAN_SERVICE_STATE_FAILURE:
 140                 return "failure";
 141         }
 142
 143         return NULL;
 144 }
 145
 146 static void state_changed(struct connman_service *service)
 147 {
 148         DBusMessage *signal;
 149         DBusMessageIter entry, value;
 150         const char *str, *key = "State";
 151
 152         if (service->path == NULL)
 153                 return;
 154
 155         str = state2string(service->state);
 156         if (str == NULL)
 157                 return;
 158
 159         signal = dbus_message_new_signal(service->path,
 160                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 161         if (signal == NULL)
 162                 return;
 163
 164         dbus_message_iter_init_append(signal, &entry);
 165
 166         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 167
 168         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 169                                         DBUS_TYPE_STRING_AS_STRING, &value);
 170         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 171         dbus_message_iter_close_container(&entry, &value);
 172
 173         g_dbus_send_message(connection, signal);
 174 }
 175
 176 static DBusMessage *get_properties(DBusConnection *conn,
 177                                         DBusMessage *msg, void *user_data)
 178 {
 179         struct connman_service *service = user_data;
 180         DBusMessage *reply;
 181         DBusMessageIter array, dict;
 182         const char *str;
 183
 184         DBG("service %p", service);
 185
 186         reply = dbus_message_new_method_return(msg);
 187         if (reply == NULL)
 188                 return NULL;
 189
 190         dbus_message_iter_init_append(reply, &array);
 191
 192         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 193                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 194                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 195                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 196
 197         str = type2string(service->type);
 198         if (str != NULL)
 199                 connman_dbus_dict_append_variant(&dict, "Type",
 200                                                 DBUS_TYPE_STRING, &str);
 201
 202         str = mode2string(service->mode);
 203         if (str != NULL)
 204                 connman_dbus_dict_append_variant(&dict, "Mode",
 205                                                 DBUS_TYPE_STRING, &str);
 206
 207         str = security2string(service->security);
 208         if (str != NULL)
 209                 connman_dbus_dict_append_variant(&dict, "Security",
 210                                                 DBUS_TYPE_STRING, &str);
 211
 212         str = state2string(service->state);
 213         if (str != NULL)
 214                 connman_dbus_dict_append_variant(&dict, "State",
 215                                                 DBUS_TYPE_STRING, &str);
 216
 217         if (service->strength > 0)
 218                 connman_dbus_dict_append_variant(&dict, "Strength",
 219                                         DBUS_TYPE_BYTE, &service->strength);
 220
 221         connman_dbus_dict_append_variant(&dict, "Favorite",
 222                                         DBUS_TYPE_BOOLEAN, &service->favorite);
 223
 224         if (service->name != NULL)
 225                 connman_dbus_dict_append_variant(&dict, "Name",
 226                                         DBUS_TYPE_STRING, &service->name);
 227
 228         if (service->passphrase != NULL &&
 229                         __connman_security_check_privilege(msg,
 230                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 231                 connman_dbus_dict_append_variant(&dict, "Passphrase",
 232                                 DBUS_TYPE_STRING, &service->passphrase);
 233
 234         dbus_message_iter_close_container(&array, &dict);
 235
 236         return reply;
 237 }
 238
 239 static DBusMessage *set_property(DBusConnection *conn,
 240                                         DBusMessage *msg, void *user_data)
 241 {
 242         struct connman_service *service = user_data;
 243         DBusMessageIter iter, value;
 244         const char *name;
 245         int type;
 246
 247         DBG("service %p", service);
 248
 249         if (dbus_message_iter_init(msg, &iter) == FALSE)
 250                 return __connman_error_invalid_arguments(msg);
 251
 252         dbus_message_iter_get_basic(&iter, &name);
 253         dbus_message_iter_next(&iter);
 254         dbus_message_iter_recurse(&iter, &value);
 255
 256         if (__connman_security_check_privilege(msg,
 257                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 258                 return __connman_error_permission_denied(msg);
 259
 260         type = dbus_message_iter_get_arg_type(&value);
 261
 262         if (g_str_equal(name, "Passphrase") == TRUE) {
 263                 const char *passphrase;
 264
 265                 if (type != DBUS_TYPE_STRING)
 266                         return __connman_error_invalid_arguments(msg);
 267
 268                 if (__connman_security_check_privilege(msg,
 269                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 270                         return __connman_error_permission_denied(msg);
 271
 272                 dbus_message_iter_get_basic(&value, &passphrase);
 273
 274                 g_free(service->passphrase);
 275                 service->passphrase = g_strdup(passphrase);
 276
 277                 if (service->network != NULL)
 278                         connman_network_set_string(service->network,
 279                                 "WiFi.Passphrase", service->passphrase);
 280
 281                 __connman_storage_save_service(service);
 282         }
 283
 284         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 285 }
 286
 287 static gboolean connect_timeout(gpointer user_data)
 288 {
 289         struct connman_service *service = user_data;
 290
 291         DBG("service %p", service);
 292
 293         service->timeout = 0;
 294
 295         if (service->pending != NULL) {
 296                 DBusMessage *reply;
 297
 298                 reply = __connman_error_operation_timeout(service->pending);
 299                 if (reply != NULL)
 300                         g_dbus_send_message(connection, reply);
 301
 302                 dbus_message_unref(service->pending);
 303                 service->pending = NULL;
 304         }
 305
 306         return FALSE;
 307 }
 308
 309 static DBusMessage *connect_service(DBusConnection *conn,
 310                                         DBusMessage *msg, void *user_data)
 311 {
 312         struct connman_service *service = user_data;
 313
 314         DBG("service %p", service);
 315
 316         if (service->pending != NULL)
 317                 return __connman_error_in_progress(msg);
 318
 319         if (service->state == CONNMAN_SERVICE_STATE_READY)
 320                 return __connman_error_already_connected(msg);
 321
 322         if (service->network != NULL) {
 323                 int err;
 324
 325                 connman_network_set_string(service->network,
 326                                 "WiFi.Passphrase", service->passphrase);
 327
 328                 err = connman_network_connect(service->network);
 329                 if (err < 0 && err != -EINPROGRESS)
 330                         return __connman_error_failed(msg, -err);
 331
 332                 service->pending = dbus_message_ref(msg);
 333
 334                 service->timeout = g_timeout_add_seconds(45,
 335                                                 connect_timeout, service);
 336
 337                 return NULL;
 338         } else if (service->device != NULL) {
 339                 if (service->favorite == FALSE)
 340                         return __connman_error_no_carrier(msg);
 341
 342                 if (__connman_device_connect(service->device) < 0)
 343                         return __connman_error_failed(msg, EINVAL);
 344
 345                 service->pending = dbus_message_ref(msg);
 346                 service->timeout = g_timeout_add_seconds(15,
 347                                                 connect_timeout, service);
 348
 349                 return NULL;
 350         }
 351
 352         return __connman_error_not_supported(msg);
 353 }
 354
 355 static DBusMessage *disconnect_service(DBusConnection *conn,
 356                                         DBusMessage *msg, void *user_data)
 357 {
 358         struct connman_service *service = user_data;
 359
 360         DBG("service %p", service);
 361
 362         if (service->pending != NULL) {
 363                 DBusMessage *reply;
 364
 365                 reply = __connman_error_operation_aborted(service->pending);
 366                 if (reply != NULL)
 367                         g_dbus_send_message(conn, reply);
 368
 369                 dbus_message_unref(service->pending);
 370                 service->pending = NULL;
 371
 372                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 373         }
 374
 375         if (service->network != NULL) {
 376                 int err;
 377
 378                 err = __connman_network_disconnect(service->network);
 379                 if (err < 0 && err != -EINPROGRESS)
 380                         return __connman_error_failed(msg, -err);
 381
 382                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 383         } else if (service->device != NULL) {
 384                 int err;
 385
 386                 if (service->favorite == FALSE)
 387                         return __connman_error_no_carrier(msg);
 388
 389                 err = __connman_device_disconnect(service->device);
 390                 if (err < 0)
 391                         return __connman_error_failed(msg, -err);
 392
 393                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 394         }
 395
 396         return __connman_error_not_supported(msg);
 397 }
 398
 399 static DBusMessage *remove_service(DBusConnection *conn,
 400                                         DBusMessage *msg, void *user_data)
 401 {
 402         struct connman_service *service = user_data;
 403
 404         DBG("service %p", service);
 405
 406         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 407                 return __connman_error_not_supported(msg);
 408
 409         if (service->network != NULL) {
 410                 int err;
 411
 412                 err = __connman_network_disconnect(service->network);
 413                 if (err < 0 && err != -EINPROGRESS)
 414                         return __connman_error_failed(msg, -err);
 415         }
 416
 417         connman_service_set_favorite(service, FALSE);
 418         __connman_storage_save_service(service);
 419
 420         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 421 }
 422
 423 static DBusMessage *move_before(DBusConnection *conn,
 424                                         DBusMessage *msg, void *user_data)
 425 {
 426         struct connman_service *service = user_data;
 427
 428         DBG("service %p", service);
 429
 430         if (service->favorite == FALSE)
 431                 return __connman_error_not_supported(msg);
 432
 433         return __connman_error_not_implemented(msg);
 434 }
 435
 436 static DBusMessage *move_after(DBusConnection *conn,
 437                                         DBusMessage *msg, void *user_data)
 438 {
 439         struct connman_service *service = user_data;
 440
 441         DBG("service %p", service);
 442
 443         if (service->favorite == FALSE)
 444                 return __connman_error_not_supported(msg);
 445
 446         return __connman_error_not_implemented(msg);
 447 }
 448
 449 static GDBusMethodTable service_methods[] = {
 450         { "GetProperties", "",   "a{sv}", get_properties     },
 451         { "SetProperty",   "sv", "",      set_property       },
 452         { "Connect",       "",   "",      connect_service,
 453                                                 G_DBUS_METHOD_FLAG_ASYNC },
 454         { "Disconnect",    "",   "",      disconnect_service },
 455         { "Remove",        "",   "",      remove_service     },
 456         { "MoveBefore",    "o",  "",      move_before        },
 457         { "MoveAfter",     "o",  "",      move_after         },
 458         { },
 459 };
 460
 461 static GDBusSignalTable service_signals[] = {
 462         { "PropertyChanged", "sv" },
 463         { },
 464 };
 465
 466 static void service_free(gpointer user_data)
 467 {
 468         struct connman_service *service = user_data;
 469         char *path = service->path;
 470
 471         DBG("service %p", service);
 472
 473         g_hash_table_remove(service_hash, service->identifier);
 474
 475         if (service->timeout > 0)
 476                 g_source_remove(service->timeout);
 477
 478         if (service->pending != NULL) {
 479                 dbus_message_unref(service->pending);
 480                 service->pending = NULL;
 481         }
 482
 483         service->path = NULL;
 484
 485         if (path != NULL) {
 486                 __connman_profile_changed();
 487
 488                 g_dbus_unregister_interface(connection, path,
 489                                                 CONNMAN_SERVICE_INTERFACE);
 490                 g_free(path);
 491         }
 492
 493         if (service->network != NULL)
 494                 connman_network_unref(service->network);
 495
 496         g_free(service->profile);
 497         g_free(service->name);
 498         g_free(service->passphrase);
 499         g_free(service->identifier);
 500         g_free(service);
 501 }
 502
 503 /**
 504  * __connman_service_put:
 505  * @service: service structure
 506  *
 507  * Release service if no longer needed
 508  */
 509 void __connman_service_put(struct connman_service *service)
 510 {
 511         DBG("service %p", service);
 512
 513         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 514                 GSequenceIter *iter;
 515
 516                 iter = g_hash_table_lookup(service_hash, service->identifier);
 517                 if (iter != NULL)
 518                         g_sequence_remove(iter);
 519                 else
 520                         service_free(service);
 521         }
 522 }
 523
 524 static void __connman_service_initialize(struct connman_service *service)
 525 {
 526         DBG("service %p", service);
 527
 528         service->refcount = 1;
 529
 530         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
 531         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
 532         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
 533         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
 534
 535         service->favorite = FALSE;
 536
 537         service->order = 0;
 538 }
 539
 540 /**
 541  * connman_service_create:
 542  *
 543  * Allocate a new service.
 544  *
 545  * Returns: a newly-allocated #connman_service structure
 546  */
 547 struct connman_service *connman_service_create(void)
 548 {
 549         struct connman_service *service;
 550
 551         service = g_try_new0(struct connman_service, 1);
 552         if (service == NULL)
 553                 return NULL;
 554
 555         DBG("service %p", service);
 556
 557         __connman_service_initialize(service);
 558
 559         return service;
 560 }
 561
 562 /**
 563  * connman_service_ref:
 564  * @service: service structure
 565  *
 566  * Increase reference counter of service
 567  */
 568 struct connman_service *connman_service_ref(struct connman_service *service)
 569 {
 570         g_atomic_int_inc(&service->refcount);
 571
 572         return service;
 573 }
 574
 575 /**
 576  * connman_service_unref:
 577  * @service: service structure
 578  *
 579  * Decrease reference counter of service
 580  */
 581 void connman_service_unref(struct connman_service *service)
 582 {
 583         __connman_service_put(service);
 584 }
 585
 586 static gint service_compare(gconstpointer a, gconstpointer b,
 587                                                         gpointer user_data)
 588 {
 589         struct connman_service *service_a = (void *) a;
 590         struct connman_service *service_b = (void *) b;
 591
 592         if (service_a->order > service_b->order)
 593                 return -1;
 594
 595         if (service_a->order < service_b->order)
 596                 return 1;
 597
 598         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
 599                 return -1;
 600
 601         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
 602                 return 1;
 603
 604         return (gint) service_b->strength - (gint) service_a->strength;
 605 }
 606
 607 /**
 608  * connman_service_set_favorite:
 609  * @service: service structure
 610  * @favorite: favorite value
 611  *
 612  * Change the favorite setting of service
 613  */
 614 int connman_service_set_favorite(struct connman_service *service,
 615                                                 connman_bool_t favorite)
 616 {
 617         GSequenceIter *iter;
 618
 619         iter = g_hash_table_lookup(service_hash, service->identifier);
 620         if (iter == NULL)
 621                 return -ENOENT;
 622
 623         if (service->favorite == favorite)
 624                 return -EALREADY;
 625
 626         service->favorite = favorite;
 627
 628         g_sequence_sort_changed(iter, service_compare, NULL);
 629
 630         __connman_profile_changed();
 631
 632         return 0;
 633 }
 634
 635 int __connman_service_set_carrier(struct connman_service *service,
 636                                                 connman_bool_t carrier)
 637 {
 638         DBG("service %p carrier %d", service, carrier);
 639
 640         if (service == NULL)
 641                 return -EINVAL;
 642
 643         switch (service->type) {
 644         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 645         case CONNMAN_SERVICE_TYPE_WIFI:
 646         case CONNMAN_SERVICE_TYPE_WIMAX:
 647                 return -EINVAL;
 648         case CONNMAN_SERVICE_TYPE_ETHERNET:
 649                 break;
 650         }
 651
 652         if (carrier == FALSE) {
 653                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 654                 state_changed(service);
 655
 656                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 657                 state_changed(service);
 658         } else {
 659                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
 660                 state_changed(service);
 661         }
 662
 663         return connman_service_set_favorite(service, carrier);
 664 }
 665
 666 int __connman_service_indicate_state(struct connman_service *service,
 667                                         enum connman_service_state state)
 668 {
 669         DBG("service %p state %d", service, state);
 670
 671         if (service == NULL)
 672                 return -EINVAL;
 673
 674         if (state == CONNMAN_SERVICE_STATE_CARRIER)
 675                 return __connman_service_set_carrier(service, TRUE);
 676
 677         if (service->state == state)
 678                 return -EALREADY;
 679
 680         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
 681                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
 682                 return -EINVAL;
 683
 684         if (state == CONNMAN_SERVICE_STATE_IDLE &&
 685                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
 686                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 687                 state_changed(service);
 688         }
 689
 690         service->state = state;
 691         state_changed(service);
 692
 693         if (state == CONNMAN_SERVICE_STATE_READY) {
 694                 connman_service_set_favorite(service, TRUE);
 695                 __connman_storage_save_service(service);
 696
 697                 if (service->timeout > 0)
 698                         g_source_remove(service->timeout);
 699
 700                 if (service->pending != NULL) {
 701                         g_dbus_send_reply(connection, service->pending,
 702                                                         DBUS_TYPE_INVALID);
 703
 704                         dbus_message_unref(service->pending);
 705                         service->pending = NULL;
 706                 }
 707
 708         }
 709
 710         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
 711                 if (service->timeout > 0)
 712                         g_source_remove(service->timeout);
 713
 714                 if (service->pending != NULL) {
 715                         DBusMessage *reply;
 716
 717                         reply = __connman_error_failed(service->pending, EIO);
 718                         if (reply != NULL)
 719                                 g_dbus_send_message(connection, reply);
 720
 721                         dbus_message_unref(service->pending);
 722                         service->pending = NULL;
 723                 }
 724         }
 725
 726         return 0;
 727 }
 728
 729 /**
 730  * __connman_service_lookup:
 731  * @identifier: service identifier
 732  *
 733  * Look up a service by identifier (reference count will not be increased)
 734  */
 735 static struct connman_service *__connman_service_lookup(const char *identifier)
 736 {
 737         GSequenceIter *iter;
 738
 739         iter = g_hash_table_lookup(service_hash, identifier);
 740         if (iter != NULL)
 741                 return g_sequence_get(iter);
 742
 743         return NULL;
 744 }
 745
 746 /**
 747  * __connman_service_get:
 748  * @identifier: service identifier
 749  *
 750  * Look up a service by identifier or create a new one if not found
 751  */
 752 static struct connman_service *__connman_service_get(const char *identifier)
 753 {
 754         struct connman_service *service;
 755         GSequenceIter *iter;
 756
 757         iter = g_hash_table_lookup(service_hash, identifier);
 758         if (iter != NULL) {
 759                 service = g_sequence_get(iter);
 760                 if (service != NULL)
 761                         g_atomic_int_inc(&service->refcount);
 762                 return service;
 763         }
 764
 765         service = g_try_new0(struct connman_service, 1);
 766         if (service == NULL)
 767                 return NULL;
 768
 769         DBG("service %p", service);
 770
 771         __connman_service_initialize(service);
 772
 773         service->identifier = g_strdup(identifier);
 774
 775         service->profile = g_strdup(__connman_profile_active_ident());
 776
 777         __connman_storage_load_service(service);
 778
 779         iter = g_sequence_insert_sorted(service_list, service,
 780                                                 service_compare, NULL);
 781
 782         g_hash_table_insert(service_hash, service->identifier, iter);
 783
 784         return service;
 785 }
 786
 787 static int service_register(struct connman_service *service)
 788 {
 789         const char *path = __connman_profile_active_path();
 790         GSequenceIter *iter;
 791
 792         DBG("service %p", service);
 793
 794         if (service->path != NULL)
 795                 return -EALREADY;
 796
 797         service->path = g_strdup_printf("%s/%s", path, service->identifier);
 798
 799         DBG("path %s", service->path);
 800
 801         g_dbus_register_interface(connection, service->path,
 802                                         CONNMAN_SERVICE_INTERFACE,
 803                                         service_methods, service_signals,
 804                                                         NULL, service, NULL);
 805
 806         __connman_storage_load_service(service);
 807
 808         iter = g_hash_table_lookup(service_hash, service->identifier);
 809         if (iter != NULL)
 810                 g_sequence_sort_changed(iter, service_compare, NULL);
 811
 812         __connman_profile_changed();
 813
 814         return 0;
 815 }
 816
 817 /**
 818  * connman_service_lookup_from_device:
 819  * @device: device structure
 820  *
 821  * Look up a service by device (reference count will not be increased)
 822  */
 823 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
 824 {
 825         struct connman_service *service;
 826         const char *ident;
 827         char *name;
 828
 829         ident = __connman_device_get_ident(device);
 830         if (ident == NULL)
 831                 return NULL;
 832
 833         name = g_strdup_printf("%s_%s",
 834                                 __connman_device_get_type(device), ident);
 835
 836         service = __connman_service_lookup(name);
 837
 838         g_free(name);
 839
 840         return service;
 841 }
 842
 843 static enum connman_service_type convert_device_type(struct connman_device *device)
 844 {
 845         enum connman_device_type type = connman_device_get_type(device);
 846
 847         switch (type) {
 848         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 849         case CONNMAN_DEVICE_TYPE_VENDOR:
 850         case CONNMAN_DEVICE_TYPE_WIFI:
 851         case CONNMAN_DEVICE_TYPE_WIMAX:
 852         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 853         case CONNMAN_DEVICE_TYPE_GPS:
 854         case CONNMAN_DEVICE_TYPE_HSO:
 855         case CONNMAN_DEVICE_TYPE_NOZOMI:
 856         case CONNMAN_DEVICE_TYPE_HUAWEI:
 857         case CONNMAN_DEVICE_TYPE_NOVATEL:
 858                 break;
 859         case CONNMAN_DEVICE_TYPE_ETHERNET:
 860                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 861         }
 862
 863         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 864 }
 865
 866 /**
 867  * connman_service_create_from_device:
 868  * @device: device structure
 869  *
 870  * Look up service by device and if not found, create one
 871  */
 872 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
 873 {
 874         struct connman_service *service;
 875         const char *ident;
 876         char *name;
 877
 878         ident = __connman_device_get_ident(device);
 879         if (ident == NULL)
 880                 return NULL;
 881
 882         name = g_strdup_printf("%s_%s",
 883                                 __connman_device_get_type(device), ident);
 884
 885         service = __connman_service_get(name);
 886         if (service == NULL)
 887                 goto done;
 888
 889         if (service->path != NULL) {
 890                 __connman_service_put(service);
 891                 service = NULL;
 892                 goto done;
 893         }
 894
 895         service->type = convert_device_type(device);
 896
 897         service->device = device;
 898
 899         service_register(service);
 900
 901 done:
 902         g_free(name);
 903
 904         return service;
 905 }
 906
 907 /**
 908  * connman_service_lookup_from_network:
 909  * @network: network structure
 910  *
 911  * Look up a service by network (reference count will not be increased)
 912  */
 913 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
 914 {
 915         struct connman_service *service;
 916         const char *ident, *group;
 917         char *name;
 918
 919         ident = __connman_network_get_ident(network);
 920         if (ident == NULL)
 921                 return NULL;
 922
 923         group = __connman_network_get_group(network);
 924         if (group == NULL)
 925                 return NULL;
 926
 927         name = g_strdup_printf("%s_%s_%s",
 928                         __connman_network_get_type(network), ident, group);
 929
 930         service = __connman_service_lookup(name);
 931
 932         g_free(name);
 933
 934         return service;
 935 }
 936
 937 static enum connman_service_type convert_network_type(struct connman_network *network)
 938 {
 939         enum connman_network_type type = connman_network_get_type(network);
 940
 941         switch (type) {
 942         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 943         case CONNMAN_NETWORK_TYPE_VENDOR:
 944         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 945         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 946         case CONNMAN_NETWORK_TYPE_HSO:
 947                 break;
 948         case CONNMAN_NETWORK_TYPE_WIFI:
 949                 return CONNMAN_SERVICE_TYPE_WIFI;
 950         case CONNMAN_NETWORK_TYPE_WIMAX:
 951                 return CONNMAN_SERVICE_TYPE_WIMAX;
 952         }
 953
 954         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 955 }
 956
 957 static enum connman_service_mode convert_wifi_mode(const char *mode)
 958 {
 959         if (mode == NULL)
 960                 return CONNMAN_SERVICE_MODE_UNKNOWN;
 961         else if (g_str_equal(mode, "managed") == TRUE)
 962                 return CONNMAN_SERVICE_MODE_MANAGED;
 963         else if (g_str_equal(mode, "adhoc") == TRUE)
 964                 return CONNMAN_SERVICE_MODE_ADHOC;
 965         else
 966                 return CONNMAN_SERVICE_MODE_UNKNOWN;
 967 }
 968
 969 static enum connman_service_mode convert_wifi_security(const char *security)
 970 {
 971         if (security == NULL)
 972                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
 973         else if (g_str_equal(security, "none") == TRUE)
 974                 return CONNMAN_SERVICE_SECURITY_NONE;
 975         else if (g_str_equal(security, "wep") == TRUE)
 976                 return CONNMAN_SERVICE_SECURITY_WEP;
 977         else if (g_str_equal(security, "wpa") == TRUE)
 978                 return CONNMAN_SERVICE_SECURITY_WPA;
 979         else if (g_str_equal(security, "wpa2") == TRUE)
 980                 return CONNMAN_SERVICE_SECURITY_WPA2;
 981         else
 982                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
 983 }
 984
 985 static void update_from_network(struct connman_service *service,
 986                                         struct connman_network *network)
 987 {
 988         connman_uint8_t strength = service->strength;
 989         GSequenceIter *iter;
 990         const char *str;
 991
 992         str = connman_network_get_string(network, "Name");
 993         if (str != NULL) {
 994                 g_free(service->name);
 995                 service->name = g_strdup(str);
 996         }
 997
 998         service->strength = connman_network_get_uint8(network, "Strength");
 999
1000         str = connman_network_get_string(network, "WiFi.Mode");
1001         service->mode = convert_wifi_mode(str);
1002
1003         str = connman_network_get_string(network, "WiFi.Security");
1004         service->security = convert_wifi_security(str);
1005
1006         if (service->strength > strength && service->network != NULL) {
1007                 connman_network_unref(service->network);
1008                 service->network = NULL;
1009         }
1010
1011         if (service->network == NULL) {
1012                 service->network = connman_network_ref(network);
1013
1014                 str = connman_network_get_string(network, "WiFi.Passphrase");
1015                 if (str != NULL) {
1016                         g_free(service->passphrase);
1017                         service->passphrase = g_strdup(str);
1018                 }
1019         }
1020
1021         iter = g_hash_table_lookup(service_hash, service->identifier);
1022         if (iter != NULL)
1023                 g_sequence_sort_changed(iter, service_compare, NULL);
1024 }
1025
1026 /**
1027  * connman_service_create_from_network:
1028  * @network: network structure
1029  *
1030  * Look up service by network and if not found, create one
1031  */
1032 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1033 {
1034         struct connman_service *service;
1035         const char *ident, *group;
1036         char *name;
1037
1038         ident = __connman_network_get_ident(network);
1039         if (ident == NULL)
1040                 return NULL;
1041
1042         group = __connman_network_get_group(network);
1043         if (group == NULL)
1044                 return NULL;
1045
1046         name = g_strdup_printf("%s_%s_%s",
1047                         __connman_network_get_type(network), ident, group);
1048
1049         service = __connman_service_get(name);
1050         if (service == NULL)
1051                 goto done;
1052
1053         if (service->path != NULL) {
1054                 update_from_network(service, network);
1055
1056                 __connman_profile_changed();
1057
1058                 __connman_service_put(service);
1059                 service = NULL;
1060                 goto done;
1061         }
1062
1063         service->type = convert_network_type(network);
1064
1065         update_from_network(service, network);
1066
1067         service_register(service);
1068
1069 done:
1070         g_free(name);
1071
1072         return service;
1073 }
1074
1075 static int service_load(struct connman_service *service)
1076 {
1077         GKeyFile *keyfile;
1078         gchar *pathname, *data = NULL;
1079         gsize length;
1080         char *str;
1081
1082         DBG("service %p", service);
1083
1084         if (service->profile == NULL)
1085                 return -EINVAL;
1086
1087         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1088         if (pathname == NULL)
1089                 return -ENOMEM;
1090
1091         keyfile = g_key_file_new();
1092
1093         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1094                 g_free(pathname);
1095                 return -ENOENT;
1096         }
1097
1098         g_free(pathname);
1099
1100         if (g_key_file_load_from_data(keyfile, data, length,
1101                                                         0, NULL) == FALSE) {
1102                 g_free(data);
1103                 return -EILSEQ;
1104         }
1105
1106         g_free(data);
1107
1108         switch (service->type) {
1109         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1110         case CONNMAN_SERVICE_TYPE_ETHERNET:
1111                 break;
1112         case CONNMAN_SERVICE_TYPE_WIFI:
1113         case CONNMAN_SERVICE_TYPE_WIMAX:
1114                 service->favorite = g_key_file_get_boolean(keyfile,
1115                                 service->identifier, "Favorite", NULL);
1116                 break;
1117         }
1118
1119         str = g_key_file_get_string(keyfile,
1120                                 service->identifier, "Passphrase", NULL);
1121         if (str != NULL) {
1122                 g_free(service->passphrase);
1123                 service->passphrase = str;
1124         }
1125
1126         g_key_file_free(keyfile);
1127
1128         return 0;
1129 }
1130
1131 static int service_save(struct connman_service *service)
1132 {
1133         GKeyFile *keyfile;
1134         gchar *pathname, *data = NULL;
1135         gsize length;
1136
1137         DBG("service %p", service);
1138
1139         if (service->profile == NULL)
1140                 return -EINVAL;
1141
1142         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1143         if (pathname == NULL)
1144                 return -ENOMEM;
1145
1146         keyfile = g_key_file_new();
1147
1148         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1149                 goto update;
1150
1151         if (length > 0) {
1152                 if (g_key_file_load_from_data(keyfile, data, length,
1153                                                         0, NULL) == FALSE)
1154                         goto done;
1155         }
1156
1157         g_free(data);
1158
1159 update:
1160         if (service->name != NULL)
1161                 g_key_file_set_string(keyfile, service->identifier,
1162                                                 "Name", service->name);
1163
1164         switch (service->type) {
1165         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1166         case CONNMAN_SERVICE_TYPE_ETHERNET:
1167                 break;
1168         case CONNMAN_SERVICE_TYPE_WIFI:
1169         case CONNMAN_SERVICE_TYPE_WIMAX:
1170                 g_key_file_set_boolean(keyfile, service->identifier,
1171                                         "Favorite", service->favorite);
1172                 break;
1173         }
1174
1175         if (service->passphrase != NULL)
1176                 g_key_file_set_string(keyfile, service->identifier,
1177                                         "Passphrase", service->passphrase);
1178
1179         data = g_key_file_to_data(keyfile, &length, NULL);
1180
1181         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1182                 connman_error("Failed to store service information");
1183
1184 done:
1185         g_free(data);
1186
1187         g_key_file_free(keyfile);
1188
1189         g_free(pathname);
1190
1191         return 0;
1192 }
1193
1194 static struct connman_storage service_storage = {
1195         .name           = "service",
1196         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1197         .service_load   = service_load,
1198         .service_save   = service_save,
1199 };
1200
1201 int __connman_service_init(void)
1202 {
1203         DBG("");
1204
1205         connection = connman_dbus_get_connection();
1206
1207         if (connman_storage_register(&service_storage) < 0)
1208                 connman_error("Failed to register service storage");
1209
1210         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1211                                                                 NULL, NULL);
1212
1213         service_list = g_sequence_new(service_free);
1214
1215         return 0;
1216 }
1217
1218 void __connman_service_cleanup(void)
1219 {
1220         DBG("");
1221
1222         g_sequence_free(service_list);
1223         service_list = NULL;
1224
1225         g_hash_table_destroy(service_hash);
1226         service_hash = NULL;
1227
1228         connman_storage_unregister(&service_storage);
1229
1230         dbus_connection_unref(connection);
1231 }