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