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