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->network != NULL)
 296                 __connman_network_disconnect(service->network);
 297
 298         if (service->pending != NULL) {
 299                 DBusMessage *reply;
 300
 301                 reply = __connman_error_operation_timeout(service->pending);
 302                 if (reply != NULL)
 303                         g_dbus_send_message(connection, reply);
 304
 305                 dbus_message_unref(service->pending);
 306                 service->pending = NULL;
 307
 308                 __connman_service_indicate_state(service,
 309                                         CONNMAN_SERVICE_STATE_FAILURE);
 310         }
 311
 312         return FALSE;
 313 }
 314
 315 static DBusMessage *connect_service(DBusConnection *conn,
 316                                         DBusMessage *msg, void *user_data)
 317 {
 318         struct connman_service *service = user_data;
 319
 320         DBG("service %p", service);
 321
 322         if (service->pending != NULL)
 323                 return __connman_error_in_progress(msg);
 324
 325         if (service->state == CONNMAN_SERVICE_STATE_READY)
 326                 return __connman_error_already_connected(msg);
 327
 328         if (service->network != NULL) {
 329                 int err;
 330
 331                 connman_network_set_string(service->network,
 332                                 "WiFi.Passphrase", service->passphrase);
 333
 334                 err = connman_network_connect(service->network);
 335                 if (err < 0 && err != -EINPROGRESS)
 336                         return __connman_error_failed(msg, -err);
 337
 338                 service->pending = dbus_message_ref(msg);
 339
 340                 service->timeout = g_timeout_add_seconds(45,
 341                                                 connect_timeout, service);
 342
 343                 return NULL;
 344         } else if (service->device != NULL) {
 345                 if (service->favorite == FALSE)
 346                         return __connman_error_no_carrier(msg);
 347
 348                 if (__connman_device_connect(service->device) < 0)
 349                         return __connman_error_failed(msg, EINVAL);
 350
 351                 service->pending = dbus_message_ref(msg);
 352                 service->timeout = g_timeout_add_seconds(15,
 353                                                 connect_timeout, service);
 354
 355                 return NULL;
 356         }
 357
 358         return __connman_error_not_supported(msg);
 359 }
 360
 361 static DBusMessage *disconnect_service(DBusConnection *conn,
 362                                         DBusMessage *msg, void *user_data)
 363 {
 364         struct connman_service *service = user_data;
 365
 366         DBG("service %p", service);
 367
 368         if (service->pending != NULL) {
 369                 DBusMessage *reply;
 370
 371                 reply = __connman_error_operation_aborted(service->pending);
 372                 if (reply != NULL)
 373                         g_dbus_send_message(conn, reply);
 374
 375                 dbus_message_unref(service->pending);
 376                 service->pending = NULL;
 377
 378                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 379         }
 380
 381         if (service->network != NULL) {
 382                 int err;
 383
 384                 err = __connman_network_disconnect(service->network);
 385                 if (err < 0 && err != -EINPROGRESS)
 386                         return __connman_error_failed(msg, -err);
 387
 388                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 389         } else if (service->device != NULL) {
 390                 int err;
 391
 392                 if (service->favorite == FALSE)
 393                         return __connman_error_no_carrier(msg);
 394
 395                 err = __connman_device_disconnect(service->device);
 396                 if (err < 0)
 397                         return __connman_error_failed(msg, -err);
 398
 399                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 400         }
 401
 402         return __connman_error_not_supported(msg);
 403 }
 404
 405 static DBusMessage *remove_service(DBusConnection *conn,
 406                                         DBusMessage *msg, void *user_data)
 407 {
 408         struct connman_service *service = user_data;
 409
 410         DBG("service %p", service);
 411
 412         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 413                 return __connman_error_not_supported(msg);
 414
 415         if (service->favorite == FALSE)
 416                 return __connman_error_not_supported(msg);
 417
 418         if (service->network != NULL) {
 419                 struct connman_device *device;
 420
 421                 device = connman_network_get_device(service->network);
 422                 if (device != NULL)
 423                         __connman_device_disconnect(device);
 424
 425                 __connman_network_disconnect(service->network);
 426         }
 427
 428         connman_service_set_favorite(service, FALSE);
 429         __connman_storage_save_service(service);
 430
 431         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 432 }
 433
 434 static DBusMessage *move_before(DBusConnection *conn,
 435                                         DBusMessage *msg, void *user_data)
 436 {
 437         struct connman_service *service = user_data;
 438
 439         DBG("service %p", service);
 440
 441         if (service->favorite == FALSE)
 442                 return __connman_error_not_supported(msg);
 443
 444         return __connman_error_not_implemented(msg);
 445 }
 446
 447 static DBusMessage *move_after(DBusConnection *conn,
 448                                         DBusMessage *msg, void *user_data)
 449 {
 450         struct connman_service *service = user_data;
 451
 452         DBG("service %p", service);
 453
 454         if (service->favorite == FALSE)
 455                 return __connman_error_not_supported(msg);
 456
 457         return __connman_error_not_implemented(msg);
 458 }
 459
 460 static GDBusMethodTable service_methods[] = {
 461         { "GetProperties", "",   "a{sv}", get_properties     },
 462         { "SetProperty",   "sv", "",      set_property       },
 463         { "Connect",       "",   "",      connect_service,
 464                                                 G_DBUS_METHOD_FLAG_ASYNC },
 465         { "Disconnect",    "",   "",      disconnect_service },
 466         { "Remove",        "",   "",      remove_service     },
 467         { "MoveBefore",    "o",  "",      move_before        },
 468         { "MoveAfter",     "o",  "",      move_after         },
 469         { },
 470 };
 471
 472 static GDBusSignalTable service_signals[] = {
 473         { "PropertyChanged", "sv" },
 474         { },
 475 };
 476
 477 static void service_free(gpointer user_data)
 478 {
 479         struct connman_service *service = user_data;
 480         char *path = service->path;
 481
 482         DBG("service %p", service);
 483
 484         g_hash_table_remove(service_hash, service->identifier);
 485
 486         if (service->timeout > 0)
 487                 g_source_remove(service->timeout);
 488
 489         if (service->pending != NULL) {
 490                 dbus_message_unref(service->pending);
 491                 service->pending = NULL;
 492         }
 493
 494         service->path = NULL;
 495
 496         if (path != NULL) {
 497                 __connman_profile_changed();
 498
 499                 g_dbus_unregister_interface(connection, path,
 500                                                 CONNMAN_SERVICE_INTERFACE);
 501                 g_free(path);
 502         }
 503
 504         if (service->network != NULL)
 505                 connman_network_unref(service->network);
 506
 507         g_free(service->profile);
 508         g_free(service->name);
 509         g_free(service->passphrase);
 510         g_free(service->identifier);
 511         g_free(service);
 512 }
 513
 514 /**
 515  * __connman_service_put:
 516  * @service: service structure
 517  *
 518  * Release service if no longer needed
 519  */
 520 void __connman_service_put(struct connman_service *service)
 521 {
 522         DBG("service %p", service);
 523
 524         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 525                 GSequenceIter *iter;
 526
 527                 iter = g_hash_table_lookup(service_hash, service->identifier);
 528                 if (iter != NULL)
 529                         g_sequence_remove(iter);
 530                 else
 531                         service_free(service);
 532         }
 533 }
 534
 535 static void __connman_service_initialize(struct connman_service *service)
 536 {
 537         DBG("service %p", service);
 538
 539         service->refcount = 1;
 540
 541         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
 542         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
 543         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
 544         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
 545
 546         service->favorite = FALSE;
 547
 548         service->order = 0;
 549 }
 550
 551 /**
 552  * connman_service_create:
 553  *
 554  * Allocate a new service.
 555  *
 556  * Returns: a newly-allocated #connman_service structure
 557  */
 558 struct connman_service *connman_service_create(void)
 559 {
 560         struct connman_service *service;
 561
 562         service = g_try_new0(struct connman_service, 1);
 563         if (service == NULL)
 564                 return NULL;
 565
 566         DBG("service %p", service);
 567
 568         __connman_service_initialize(service);
 569
 570         return service;
 571 }
 572
 573 /**
 574  * connman_service_ref:
 575  * @service: service structure
 576  *
 577  * Increase reference counter of service
 578  */
 579 struct connman_service *connman_service_ref(struct connman_service *service)
 580 {
 581         g_atomic_int_inc(&service->refcount);
 582
 583         return service;
 584 }
 585
 586 /**
 587  * connman_service_unref:
 588  * @service: service structure
 589  *
 590  * Decrease reference counter of service
 591  */
 592 void connman_service_unref(struct connman_service *service)
 593 {
 594         __connman_service_put(service);
 595 }
 596
 597 static gint service_compare(gconstpointer a, gconstpointer b,
 598                                                         gpointer user_data)
 599 {
 600         struct connman_service *service_a = (void *) a;
 601         struct connman_service *service_b = (void *) b;
 602
 603         if (service_a->state != service_b->state) {
 604                 if (service_a->state == CONNMAN_SERVICE_STATE_READY)
 605                         return -1;
 606                 if (service_b->state == CONNMAN_SERVICE_STATE_READY)
 607                         return 1;
 608         }
 609
 610         if (service_a->order > service_b->order)
 611                 return -1;
 612
 613         if (service_a->order < service_b->order)
 614                 return 1;
 615
 616         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
 617                 return -1;
 618
 619         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
 620                 return 1;
 621
 622         return (gint) service_b->strength - (gint) service_a->strength;
 623 }
 624
 625 /**
 626  * connman_service_set_favorite:
 627  * @service: service structure
 628  * @favorite: favorite value
 629  *
 630  * Change the favorite setting of service
 631  */
 632 int connman_service_set_favorite(struct connman_service *service,
 633                                                 connman_bool_t favorite)
 634 {
 635         GSequenceIter *iter;
 636
 637         iter = g_hash_table_lookup(service_hash, service->identifier);
 638         if (iter == NULL)
 639                 return -ENOENT;
 640
 641         if (service->favorite == favorite)
 642                 return -EALREADY;
 643
 644         service->favorite = favorite;
 645
 646         g_sequence_sort_changed(iter, service_compare, NULL);
 647
 648         __connman_profile_changed();
 649
 650         return 0;
 651 }
 652
 653 int __connman_service_set_carrier(struct connman_service *service,
 654                                                 connman_bool_t carrier)
 655 {
 656         DBG("service %p carrier %d", service, carrier);
 657
 658         if (service == NULL)
 659                 return -EINVAL;
 660
 661         switch (service->type) {
 662         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 663         case CONNMAN_SERVICE_TYPE_WIFI:
 664         case CONNMAN_SERVICE_TYPE_WIMAX:
 665                 return -EINVAL;
 666         case CONNMAN_SERVICE_TYPE_ETHERNET:
 667                 break;
 668         }
 669
 670         if (carrier == FALSE) {
 671                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 672                 state_changed(service);
 673
 674                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 675                 state_changed(service);
 676         } else {
 677                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
 678                 state_changed(service);
 679         }
 680
 681         return connman_service_set_favorite(service, carrier);
 682 }
 683
 684 int __connman_service_indicate_state(struct connman_service *service,
 685                                         enum connman_service_state state)
 686 {
 687         GSequenceIter *iter;
 688
 689         DBG("service %p state %d", service, state);
 690
 691         if (service == NULL)
 692                 return -EINVAL;
 693
 694         if (state == CONNMAN_SERVICE_STATE_CARRIER)
 695                 return __connman_service_set_carrier(service, TRUE);
 696
 697         if (service->state == state)
 698                 return -EALREADY;
 699
 700         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
 701                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
 702                 return -EINVAL;
 703
 704         if (state == CONNMAN_SERVICE_STATE_IDLE &&
 705                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
 706                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 707                 state_changed(service);
 708         }
 709
 710         service->state = state;
 711         state_changed(service);
 712
 713         if (state == CONNMAN_SERVICE_STATE_READY) {
 714                 connman_service_set_favorite(service, TRUE);
 715                 __connman_storage_save_service(service);
 716
 717                 if (service->timeout > 0)
 718                         g_source_remove(service->timeout);
 719
 720                 if (service->pending != NULL) {
 721                         g_dbus_send_reply(connection, service->pending,
 722                                                         DBUS_TYPE_INVALID);
 723
 724                         dbus_message_unref(service->pending);
 725                         service->pending = NULL;
 726                 }
 727         }
 728
 729         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
 730                 if (service->timeout > 0)
 731                         g_source_remove(service->timeout);
 732
 733                 if (service->pending != NULL) {
 734                         DBusMessage *reply;
 735
 736                         reply = __connman_error_failed(service->pending, EIO);
 737                         if (reply != NULL)
 738                                 g_dbus_send_message(connection, reply);
 739
 740                         dbus_message_unref(service->pending);
 741                         service->pending = NULL;
 742                 }
 743
 744                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 745                 state_changed(service);
 746         }
 747
 748         iter = g_hash_table_lookup(service_hash, service->identifier);
 749         if (iter != NULL)
 750                 g_sequence_sort_changed(iter, service_compare, NULL);
 751
 752         __connman_profile_changed();
 753
 754         return 0;
 755 }
 756
 757 /**
 758  * __connman_service_lookup:
 759  * @identifier: service identifier
 760  *
 761  * Look up a service by identifier (reference count will not be increased)
 762  */
 763 static struct connman_service *__connman_service_lookup(const char *identifier)
 764 {
 765         GSequenceIter *iter;
 766
 767         iter = g_hash_table_lookup(service_hash, identifier);
 768         if (iter != NULL)
 769                 return g_sequence_get(iter);
 770
 771         return NULL;
 772 }
 773
 774 /**
 775  * __connman_service_get:
 776  * @identifier: service identifier
 777  *
 778  * Look up a service by identifier or create a new one if not found
 779  */
 780 static struct connman_service *__connman_service_get(const char *identifier)
 781 {
 782         struct connman_service *service;
 783         GSequenceIter *iter;
 784
 785         iter = g_hash_table_lookup(service_hash, identifier);
 786         if (iter != NULL) {
 787                 service = g_sequence_get(iter);
 788                 if (service != NULL)
 789                         g_atomic_int_inc(&service->refcount);
 790                 return service;
 791         }
 792
 793         service = g_try_new0(struct connman_service, 1);
 794         if (service == NULL)
 795                 return NULL;
 796
 797         DBG("service %p", service);
 798
 799         __connman_service_initialize(service);
 800
 801         service->identifier = g_strdup(identifier);
 802
 803         service->profile = g_strdup(__connman_profile_active_ident());
 804
 805         __connman_storage_load_service(service);
 806
 807         iter = g_sequence_insert_sorted(service_list, service,
 808                                                 service_compare, NULL);
 809
 810         g_hash_table_insert(service_hash, service->identifier, iter);
 811
 812         return service;
 813 }
 814
 815 static int service_register(struct connman_service *service)
 816 {
 817         const char *path = __connman_profile_active_path();
 818         GSequenceIter *iter;
 819
 820         DBG("service %p", service);
 821
 822         if (service->path != NULL)
 823                 return -EALREADY;
 824
 825         service->path = g_strdup_printf("%s/%s", path, service->identifier);
 826
 827         DBG("path %s", service->path);
 828
 829         g_dbus_register_interface(connection, service->path,
 830                                         CONNMAN_SERVICE_INTERFACE,
 831                                         service_methods, service_signals,
 832                                                         NULL, service, NULL);
 833
 834         __connman_storage_load_service(service);
 835
 836         iter = g_hash_table_lookup(service_hash, service->identifier);
 837         if (iter != NULL)
 838                 g_sequence_sort_changed(iter, service_compare, NULL);
 839
 840         __connman_profile_changed();
 841
 842         return 0;
 843 }
 844
 845 /**
 846  * connman_service_lookup_from_device:
 847  * @device: device structure
 848  *
 849  * Look up a service by device (reference count will not be increased)
 850  */
 851 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
 852 {
 853         struct connman_service *service;
 854         const char *ident;
 855         char *name;
 856
 857         ident = __connman_device_get_ident(device);
 858         if (ident == NULL)
 859                 return NULL;
 860
 861         name = g_strdup_printf("%s_%s",
 862                                 __connman_device_get_type(device), ident);
 863
 864         service = __connman_service_lookup(name);
 865
 866         g_free(name);
 867
 868         return service;
 869 }
 870
 871 static enum connman_service_type convert_device_type(struct connman_device *device)
 872 {
 873         enum connman_device_type type = connman_device_get_type(device);
 874
 875         switch (type) {
 876         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 877         case CONNMAN_DEVICE_TYPE_VENDOR:
 878         case CONNMAN_DEVICE_TYPE_WIFI:
 879         case CONNMAN_DEVICE_TYPE_WIMAX:
 880         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 881         case CONNMAN_DEVICE_TYPE_GPS:
 882         case CONNMAN_DEVICE_TYPE_HSO:
 883         case CONNMAN_DEVICE_TYPE_NOZOMI:
 884         case CONNMAN_DEVICE_TYPE_HUAWEI:
 885         case CONNMAN_DEVICE_TYPE_NOVATEL:
 886                 break;
 887         case CONNMAN_DEVICE_TYPE_ETHERNET:
 888                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 889         }
 890
 891         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 892 }
 893
 894 /**
 895  * connman_service_create_from_device:
 896  * @device: device structure
 897  *
 898  * Look up service by device and if not found, create one
 899  */
 900 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
 901 {
 902         struct connman_service *service;
 903         const char *ident;
 904         char *name;
 905
 906         ident = __connman_device_get_ident(device);
 907         if (ident == NULL)
 908                 return NULL;
 909
 910         name = g_strdup_printf("%s_%s",
 911                                 __connman_device_get_type(device), ident);
 912
 913         service = __connman_service_get(name);
 914         if (service == NULL)
 915                 goto done;
 916
 917         if (service->path != NULL) {
 918                 __connman_service_put(service);
 919                 service = NULL;
 920                 goto done;
 921         }
 922
 923         service->type = convert_device_type(device);
 924
 925         service->device = device;
 926
 927         service_register(service);
 928
 929 done:
 930         g_free(name);
 931
 932         return service;
 933 }
 934
 935 /**
 936  * connman_service_lookup_from_network:
 937  * @network: network structure
 938  *
 939  * Look up a service by network (reference count will not be increased)
 940  */
 941 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
 942 {
 943         struct connman_service *service;
 944         const char *ident, *group;
 945         char *name;
 946
 947         ident = __connman_network_get_ident(network);
 948         if (ident == NULL)
 949                 return NULL;
 950
 951         group = __connman_network_get_group(network);
 952         if (group == NULL)
 953                 return NULL;
 954
 955         name = g_strdup_printf("%s_%s_%s",
 956                         __connman_network_get_type(network), ident, group);
 957
 958         service = __connman_service_lookup(name);
 959
 960         g_free(name);
 961
 962         return service;
 963 }
 964
 965 static enum connman_service_type convert_network_type(struct connman_network *network)
 966 {
 967         enum connman_network_type type = connman_network_get_type(network);
 968
 969         switch (type) {
 970         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 971         case CONNMAN_NETWORK_TYPE_VENDOR:
 972         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 973         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 974         case CONNMAN_NETWORK_TYPE_HSO:
 975                 break;
 976         case CONNMAN_NETWORK_TYPE_WIFI:
 977                 return CONNMAN_SERVICE_TYPE_WIFI;
 978         case CONNMAN_NETWORK_TYPE_WIMAX:
 979                 return CONNMAN_SERVICE_TYPE_WIMAX;
 980         }
 981
 982         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 983 }
 984
 985 static enum connman_service_mode convert_wifi_mode(const char *mode)
 986 {
 987         if (mode == NULL)
 988                 return CONNMAN_SERVICE_MODE_UNKNOWN;
 989         else if (g_str_equal(mode, "managed") == TRUE)
 990                 return CONNMAN_SERVICE_MODE_MANAGED;
 991         else if (g_str_equal(mode, "adhoc") == TRUE)
 992                 return CONNMAN_SERVICE_MODE_ADHOC;
 993         else
 994                 return CONNMAN_SERVICE_MODE_UNKNOWN;
 995 }
 996
 997 static enum connman_service_mode convert_wifi_security(const char *security)
 998 {
 999         if (security == NULL)
1000                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1001         else if (g_str_equal(security, "none") == TRUE)
1002                 return CONNMAN_SERVICE_SECURITY_NONE;
1003         else if (g_str_equal(security, "wep") == TRUE)
1004                 return CONNMAN_SERVICE_SECURITY_WEP;
1005         else if (g_str_equal(security, "wpa") == TRUE)
1006                 return CONNMAN_SERVICE_SECURITY_WPA;
1007         else if (g_str_equal(security, "wpa2") == TRUE)
1008                 return CONNMAN_SERVICE_SECURITY_WPA2;
1009         else
1010                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1011 }
1012
1013 static void update_from_network(struct connman_service *service,
1014                                         struct connman_network *network)
1015 {
1016         connman_uint8_t strength = service->strength;
1017         GSequenceIter *iter;
1018         const char *str;
1019
1020         str = connman_network_get_string(network, "Name");
1021         if (str != NULL) {
1022                 g_free(service->name);
1023                 service->name = g_strdup(str);
1024         }
1025
1026         service->strength = connman_network_get_uint8(network, "Strength");
1027
1028         str = connman_network_get_string(network, "WiFi.Mode");
1029         service->mode = convert_wifi_mode(str);
1030
1031         str = connman_network_get_string(network, "WiFi.Security");
1032         service->security = convert_wifi_security(str);
1033
1034         if (service->strength > strength && service->network != NULL) {
1035                 connman_network_unref(service->network);
1036                 service->network = NULL;
1037         }
1038
1039         if (service->network == NULL) {
1040                 service->network = connman_network_ref(network);
1041
1042                 str = connman_network_get_string(network, "WiFi.Passphrase");
1043                 if (str != NULL) {
1044                         g_free(service->passphrase);
1045                         service->passphrase = g_strdup(str);
1046                 }
1047         }
1048
1049         iter = g_hash_table_lookup(service_hash, service->identifier);
1050         if (iter != NULL)
1051                 g_sequence_sort_changed(iter, service_compare, NULL);
1052 }
1053
1054 /**
1055  * connman_service_create_from_network:
1056  * @network: network structure
1057  *
1058  * Look up service by network and if not found, create one
1059  */
1060 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1061 {
1062         struct connman_service *service;
1063         const char *ident, *group;
1064         char *name;
1065
1066         ident = __connman_network_get_ident(network);
1067         if (ident == NULL)
1068                 return NULL;
1069
1070         group = __connman_network_get_group(network);
1071         if (group == NULL)
1072                 return NULL;
1073
1074         name = g_strdup_printf("%s_%s_%s",
1075                         __connman_network_get_type(network), ident, group);
1076
1077         service = __connman_service_get(name);
1078         if (service == NULL)
1079                 goto done;
1080
1081         if (service->path != NULL) {
1082                 update_from_network(service, network);
1083
1084                 __connman_profile_changed();
1085
1086                 __connman_service_put(service);
1087                 service = NULL;
1088                 goto done;
1089         }
1090
1091         service->type = convert_network_type(network);
1092
1093         service->state = CONNMAN_SERVICE_STATE_IDLE;
1094
1095         update_from_network(service, network);
1096
1097         service_register(service);
1098
1099 done:
1100         g_free(name);
1101
1102         return service;
1103 }
1104
1105 static int service_load(struct connman_service *service)
1106 {
1107         GKeyFile *keyfile;
1108         gchar *pathname, *data = NULL;
1109         gsize length;
1110         char *str;
1111
1112         DBG("service %p", service);
1113
1114         if (service->profile == NULL)
1115                 return -EINVAL;
1116
1117         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1118         if (pathname == NULL)
1119                 return -ENOMEM;
1120
1121         keyfile = g_key_file_new();
1122
1123         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1124                 g_free(pathname);
1125                 return -ENOENT;
1126         }
1127
1128         g_free(pathname);
1129
1130         if (g_key_file_load_from_data(keyfile, data, length,
1131                                                         0, NULL) == FALSE) {
1132                 g_free(data);
1133                 return -EILSEQ;
1134         }
1135
1136         g_free(data);
1137
1138         switch (service->type) {
1139         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1140         case CONNMAN_SERVICE_TYPE_ETHERNET:
1141                 break;
1142         case CONNMAN_SERVICE_TYPE_WIFI:
1143         case CONNMAN_SERVICE_TYPE_WIMAX:
1144                 service->favorite = g_key_file_get_boolean(keyfile,
1145                                 service->identifier, "Favorite", NULL);
1146                 break;
1147         }
1148
1149         str = g_key_file_get_string(keyfile,
1150                                 service->identifier, "Passphrase", NULL);
1151         if (str != NULL) {
1152                 g_free(service->passphrase);
1153                 service->passphrase = str;
1154         }
1155
1156         g_key_file_free(keyfile);
1157
1158         return 0;
1159 }
1160
1161 static int service_save(struct connman_service *service)
1162 {
1163         GKeyFile *keyfile;
1164         gchar *pathname, *data = NULL;
1165         gsize length;
1166
1167         DBG("service %p", service);
1168
1169         if (service->profile == NULL)
1170                 return -EINVAL;
1171
1172         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1173         if (pathname == NULL)
1174                 return -ENOMEM;
1175
1176         keyfile = g_key_file_new();
1177
1178         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1179                 goto update;
1180
1181         if (length > 0) {
1182                 if (g_key_file_load_from_data(keyfile, data, length,
1183                                                         0, NULL) == FALSE)
1184                         goto done;
1185         }
1186
1187         g_free(data);
1188
1189 update:
1190         if (service->name != NULL)
1191                 g_key_file_set_string(keyfile, service->identifier,
1192                                                 "Name", service->name);
1193
1194         switch (service->type) {
1195         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1196         case CONNMAN_SERVICE_TYPE_ETHERNET:
1197                 break;
1198         case CONNMAN_SERVICE_TYPE_WIFI:
1199         case CONNMAN_SERVICE_TYPE_WIMAX:
1200                 g_key_file_set_boolean(keyfile, service->identifier,
1201                                         "Favorite", service->favorite);
1202                 break;
1203         }
1204
1205         if (service->passphrase != NULL)
1206                 g_key_file_set_string(keyfile, service->identifier,
1207                                         "Passphrase", service->passphrase);
1208
1209         data = g_key_file_to_data(keyfile, &length, NULL);
1210
1211         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1212                 connman_error("Failed to store service information");
1213
1214 done:
1215         g_free(data);
1216
1217         g_key_file_free(keyfile);
1218
1219         g_free(pathname);
1220
1221         return 0;
1222 }
1223
1224 static struct connman_storage service_storage = {
1225         .name           = "service",
1226         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1227         .service_load   = service_load,
1228         .service_save   = service_save,
1229 };
1230
1231 int __connman_service_init(void)
1232 {
1233         DBG("");
1234
1235         connection = connman_dbus_get_connection();
1236
1237         if (connman_storage_register(&service_storage) < 0)
1238                 connman_error("Failed to register service storage");
1239
1240         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1241                                                                 NULL, NULL);
1242
1243         service_list = g_sequence_new(service_free);
1244
1245         return 0;
1246 }
1247
1248 void __connman_service_cleanup(void)
1249 {
1250         DBG("");
1251
1252         g_sequence_free(service_list);
1253         service_list = NULL;
1254
1255         g_hash_table_destroy(service_hash);
1256         service_hash = NULL;
1257
1258         connman_storage_unregister(&service_storage);
1259
1260         dbus_connection_unref(connection);
1261 }