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                 struct connman_device *device;
 383                 int err;
 384
 385                 device = connman_network_get_device(service->network);
 386                 if (device != NULL)
 387                         __connman_device_disconnect(device);
 388
 389                 err = __connman_network_disconnect(service->network);
 390                 if (err < 0 && err != -EINPROGRESS)
 391                         return __connman_error_failed(msg, -err);
 392
 393                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 394         } else if (service->device != NULL) {
 395                 int err;
 396
 397                 if (service->favorite == FALSE)
 398                         return __connman_error_no_carrier(msg);
 399
 400                 err = __connman_device_disconnect(service->device);
 401                 if (err < 0)
 402                         return __connman_error_failed(msg, -err);
 403
 404                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 405         }
 406
 407         return __connman_error_not_supported(msg);
 408 }
 409
 410 static DBusMessage *remove_service(DBusConnection *conn,
 411                                         DBusMessage *msg, void *user_data)
 412 {
 413         struct connman_service *service = user_data;
 414
 415         DBG("service %p", service);
 416
 417         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 418                 return __connman_error_not_supported(msg);
 419
 420         if (service->network != NULL) {
 421                 struct connman_device *device;
 422
 423                 device = connman_network_get_device(service->network);
 424                 if (device != NULL)
 425                         __connman_device_disconnect(device);
 426
 427                 __connman_network_disconnect(service->network);
 428         }
 429
 430         connman_service_set_favorite(service, FALSE);
 431         __connman_storage_save_service(service);
 432
 433         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 434 }
 435
 436 static DBusMessage *move_before(DBusConnection *conn,
 437                                         DBusMessage *msg, void *user_data)
 438 {
 439         struct connman_service *service = user_data;
 440
 441         DBG("service %p", service);
 442
 443         if (service->favorite == FALSE)
 444                 return __connman_error_not_supported(msg);
 445
 446         return __connman_error_not_implemented(msg);
 447 }
 448
 449 static DBusMessage *move_after(DBusConnection *conn,
 450                                         DBusMessage *msg, void *user_data)
 451 {
 452         struct connman_service *service = user_data;
 453
 454         DBG("service %p", service);
 455
 456         if (service->favorite == FALSE)
 457                 return __connman_error_not_supported(msg);
 458
 459         return __connman_error_not_implemented(msg);
 460 }
 461
 462 static GDBusMethodTable service_methods[] = {
 463         { "GetProperties", "",   "a{sv}", get_properties     },
 464         { "SetProperty",   "sv", "",      set_property       },
 465         { "Connect",       "",   "",      connect_service,
 466                                                 G_DBUS_METHOD_FLAG_ASYNC },
 467         { "Disconnect",    "",   "",      disconnect_service },
 468         { "Remove",        "",   "",      remove_service     },
 469         { "MoveBefore",    "o",  "",      move_before        },
 470         { "MoveAfter",     "o",  "",      move_after         },
 471         { },
 472 };
 473
 474 static GDBusSignalTable service_signals[] = {
 475         { "PropertyChanged", "sv" },
 476         { },
 477 };
 478
 479 static void service_free(gpointer user_data)
 480 {
 481         struct connman_service *service = user_data;
 482         char *path = service->path;
 483
 484         DBG("service %p", service);
 485
 486         g_hash_table_remove(service_hash, service->identifier);
 487
 488         if (service->timeout > 0)
 489                 g_source_remove(service->timeout);
 490
 491         if (service->pending != NULL) {
 492                 dbus_message_unref(service->pending);
 493                 service->pending = NULL;
 494         }
 495
 496         service->path = NULL;
 497
 498         if (path != NULL) {
 499                 __connman_profile_changed();
 500
 501                 g_dbus_unregister_interface(connection, path,
 502                                                 CONNMAN_SERVICE_INTERFACE);
 503                 g_free(path);
 504         }
 505
 506         if (service->network != NULL)
 507                 connman_network_unref(service->network);
 508
 509         g_free(service->profile);
 510         g_free(service->name);
 511         g_free(service->passphrase);
 512         g_free(service->identifier);
 513         g_free(service);
 514 }
 515
 516 /**
 517  * __connman_service_put:
 518  * @service: service structure
 519  *
 520  * Release service if no longer needed
 521  */
 522 void __connman_service_put(struct connman_service *service)
 523 {
 524         DBG("service %p", service);
 525
 526         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 527                 GSequenceIter *iter;
 528
 529                 iter = g_hash_table_lookup(service_hash, service->identifier);
 530                 if (iter != NULL)
 531                         g_sequence_remove(iter);
 532                 else
 533                         service_free(service);
 534         }
 535 }
 536
 537 static void __connman_service_initialize(struct connman_service *service)
 538 {
 539         DBG("service %p", service);
 540
 541         service->refcount = 1;
 542
 543         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
 544         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
 545         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
 546         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
 547
 548         service->favorite = FALSE;
 549
 550         service->order = 0;
 551 }
 552
 553 /**
 554  * connman_service_create:
 555  *
 556  * Allocate a new service.
 557  *
 558  * Returns: a newly-allocated #connman_service structure
 559  */
 560 struct connman_service *connman_service_create(void)
 561 {
 562         struct connman_service *service;
 563
 564         service = g_try_new0(struct connman_service, 1);
 565         if (service == NULL)
 566                 return NULL;
 567
 568         DBG("service %p", service);
 569
 570         __connman_service_initialize(service);
 571
 572         return service;
 573 }
 574
 575 /**
 576  * connman_service_ref:
 577  * @service: service structure
 578  *
 579  * Increase reference counter of service
 580  */
 581 struct connman_service *connman_service_ref(struct connman_service *service)
 582 {
 583         g_atomic_int_inc(&service->refcount);
 584
 585         return service;
 586 }
 587
 588 /**
 589  * connman_service_unref:
 590  * @service: service structure
 591  *
 592  * Decrease reference counter of service
 593  */
 594 void connman_service_unref(struct connman_service *service)
 595 {
 596         __connman_service_put(service);
 597 }
 598
 599 static gint service_compare(gconstpointer a, gconstpointer b,
 600                                                         gpointer user_data)
 601 {
 602         struct connman_service *service_a = (void *) a;
 603         struct connman_service *service_b = (void *) b;
 604
 605         if (service_a->state != service_b->state) {
 606                 if (service_a->state == CONNMAN_SERVICE_STATE_READY)
 607                         return -1;
 608                 if (service_b->state == CONNMAN_SERVICE_STATE_READY)
 609                         return 1;
 610         }
 611
 612         if (service_a->order > service_b->order)
 613                 return -1;
 614
 615         if (service_a->order < service_b->order)
 616                 return 1;
 617
 618         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
 619                 return -1;
 620
 621         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
 622                 return 1;
 623
 624         return (gint) service_b->strength - (gint) service_a->strength;
 625 }
 626
 627 /**
 628  * connman_service_set_favorite:
 629  * @service: service structure
 630  * @favorite: favorite value
 631  *
 632  * Change the favorite setting of service
 633  */
 634 int connman_service_set_favorite(struct connman_service *service,
 635                                                 connman_bool_t favorite)
 636 {
 637         GSequenceIter *iter;
 638
 639         iter = g_hash_table_lookup(service_hash, service->identifier);
 640         if (iter == NULL)
 641                 return -ENOENT;
 642
 643         if (service->favorite == favorite)
 644                 return -EALREADY;
 645
 646         service->favorite = favorite;
 647
 648         g_sequence_sort_changed(iter, service_compare, NULL);
 649
 650         __connman_profile_changed();
 651
 652         return 0;
 653 }
 654
 655 int __connman_service_set_carrier(struct connman_service *service,
 656                                                 connman_bool_t carrier)
 657 {
 658         DBG("service %p carrier %d", service, carrier);
 659
 660         if (service == NULL)
 661                 return -EINVAL;
 662
 663         switch (service->type) {
 664         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 665         case CONNMAN_SERVICE_TYPE_WIFI:
 666         case CONNMAN_SERVICE_TYPE_WIMAX:
 667                 return -EINVAL;
 668         case CONNMAN_SERVICE_TYPE_ETHERNET:
 669                 break;
 670         }
 671
 672         if (carrier == FALSE) {
 673                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 674                 state_changed(service);
 675
 676                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 677                 state_changed(service);
 678         } else {
 679                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
 680                 state_changed(service);
 681         }
 682
 683         return connman_service_set_favorite(service, carrier);
 684 }
 685
 686 int __connman_service_indicate_state(struct connman_service *service,
 687                                         enum connman_service_state state)
 688 {
 689         GSequenceIter *iter;
 690
 691         DBG("service %p state %d", service, state);
 692
 693         if (service == NULL)
 694                 return -EINVAL;
 695
 696         if (state == CONNMAN_SERVICE_STATE_CARRIER)
 697                 return __connman_service_set_carrier(service, TRUE);
 698
 699         if (service->state == state)
 700                 return -EALREADY;
 701
 702         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
 703                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
 704                 return -EINVAL;
 705
 706         if (state == CONNMAN_SERVICE_STATE_IDLE &&
 707                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
 708                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 709                 state_changed(service);
 710         }
 711
 712         service->state = state;
 713         state_changed(service);
 714
 715         if (state == CONNMAN_SERVICE_STATE_READY) {
 716                 connman_service_set_favorite(service, TRUE);
 717                 __connman_storage_save_service(service);
 718
 719                 if (service->timeout > 0)
 720                         g_source_remove(service->timeout);
 721
 722                 if (service->pending != NULL) {
 723                         g_dbus_send_reply(connection, service->pending,
 724                                                         DBUS_TYPE_INVALID);
 725
 726                         dbus_message_unref(service->pending);
 727                         service->pending = NULL;
 728                 }
 729         }
 730
 731         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
 732                 if (service->timeout > 0)
 733                         g_source_remove(service->timeout);
 734
 735                 if (service->pending != NULL) {
 736                         DBusMessage *reply;
 737
 738                         reply = __connman_error_failed(service->pending, EIO);
 739                         if (reply != NULL)
 740                                 g_dbus_send_message(connection, reply);
 741
 742                         dbus_message_unref(service->pending);
 743                         service->pending = NULL;
 744                 }
 745
 746                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 747                 state_changed(service);
 748         }
 749
 750         iter = g_hash_table_lookup(service_hash, service->identifier);
 751         if (iter != NULL)
 752                 g_sequence_sort_changed(iter, service_compare, NULL);
 753
 754         __connman_profile_changed();
 755
 756         return 0;
 757 }
 758
 759 /**
 760  * __connman_service_lookup:
 761  * @identifier: service identifier
 762  *
 763  * Look up a service by identifier (reference count will not be increased)
 764  */
 765 static struct connman_service *__connman_service_lookup(const char *identifier)
 766 {
 767         GSequenceIter *iter;
 768
 769         iter = g_hash_table_lookup(service_hash, identifier);
 770         if (iter != NULL)
 771                 return g_sequence_get(iter);
 772
 773         return NULL;
 774 }
 775
 776 /**
 777  * __connman_service_get:
 778  * @identifier: service identifier
 779  *
 780  * Look up a service by identifier or create a new one if not found
 781  */
 782 static struct connman_service *__connman_service_get(const char *identifier)
 783 {
 784         struct connman_service *service;
 785         GSequenceIter *iter;
 786
 787         iter = g_hash_table_lookup(service_hash, identifier);
 788         if (iter != NULL) {
 789                 service = g_sequence_get(iter);
 790                 if (service != NULL)
 791                         g_atomic_int_inc(&service->refcount);
 792                 return service;
 793         }
 794
 795         service = g_try_new0(struct connman_service, 1);
 796         if (service == NULL)
 797                 return NULL;
 798
 799         DBG("service %p", service);
 800
 801         __connman_service_initialize(service);
 802
 803         service->identifier = g_strdup(identifier);
 804
 805         service->profile = g_strdup(__connman_profile_active_ident());
 806
 807         __connman_storage_load_service(service);
 808
 809         iter = g_sequence_insert_sorted(service_list, service,
 810                                                 service_compare, NULL);
 811
 812         g_hash_table_insert(service_hash, service->identifier, iter);
 813
 814         return service;
 815 }
 816
 817 static int service_register(struct connman_service *service)
 818 {
 819         const char *path = __connman_profile_active_path();
 820         GSequenceIter *iter;
 821
 822         DBG("service %p", service);
 823
 824         if (service->path != NULL)
 825                 return -EALREADY;
 826
 827         service->path = g_strdup_printf("%s/%s", path, service->identifier);
 828
 829         DBG("path %s", service->path);
 830
 831         g_dbus_register_interface(connection, service->path,
 832                                         CONNMAN_SERVICE_INTERFACE,
 833                                         service_methods, service_signals,
 834                                                         NULL, service, NULL);
 835
 836         __connman_storage_load_service(service);
 837
 838         iter = g_hash_table_lookup(service_hash, service->identifier);
 839         if (iter != NULL)
 840                 g_sequence_sort_changed(iter, service_compare, NULL);
 841
 842         __connman_profile_changed();
 843
 844         return 0;
 845 }
 846
 847 /**
 848  * connman_service_lookup_from_device:
 849  * @device: device structure
 850  *
 851  * Look up a service by device (reference count will not be increased)
 852  */
 853 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
 854 {
 855         struct connman_service *service;
 856         const char *ident;
 857         char *name;
 858
 859         ident = __connman_device_get_ident(device);
 860         if (ident == NULL)
 861                 return NULL;
 862
 863         name = g_strdup_printf("%s_%s",
 864                                 __connman_device_get_type(device), ident);
 865
 866         service = __connman_service_lookup(name);
 867
 868         g_free(name);
 869
 870         return service;
 871 }
 872
 873 static enum connman_service_type convert_device_type(struct connman_device *device)
 874 {
 875         enum connman_device_type type = connman_device_get_type(device);
 876
 877         switch (type) {
 878         case CONNMAN_DEVICE_TYPE_UNKNOWN:
 879         case CONNMAN_DEVICE_TYPE_VENDOR:
 880         case CONNMAN_DEVICE_TYPE_WIFI:
 881         case CONNMAN_DEVICE_TYPE_WIMAX:
 882         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
 883         case CONNMAN_DEVICE_TYPE_GPS:
 884         case CONNMAN_DEVICE_TYPE_HSO:
 885         case CONNMAN_DEVICE_TYPE_NOZOMI:
 886         case CONNMAN_DEVICE_TYPE_HUAWEI:
 887         case CONNMAN_DEVICE_TYPE_NOVATEL:
 888                 break;
 889         case CONNMAN_DEVICE_TYPE_ETHERNET:
 890                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 891         }
 892
 893         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 894 }
 895
 896 /**
 897  * connman_service_create_from_device:
 898  * @device: device structure
 899  *
 900  * Look up service by device and if not found, create one
 901  */
 902 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
 903 {
 904         struct connman_service *service;
 905         const char *ident;
 906         char *name;
 907
 908         ident = __connman_device_get_ident(device);
 909         if (ident == NULL)
 910                 return NULL;
 911
 912         name = g_strdup_printf("%s_%s",
 913                                 __connman_device_get_type(device), ident);
 914
 915         service = __connman_service_get(name);
 916         if (service == NULL)
 917                 goto done;
 918
 919         if (service->path != NULL) {
 920                 __connman_service_put(service);
 921                 service = NULL;
 922                 goto done;
 923         }
 924
 925         service->type = convert_device_type(device);
 926
 927         service->device = device;
 928
 929         service_register(service);
 930
 931 done:
 932         g_free(name);
 933
 934         return service;
 935 }
 936
 937 /**
 938  * connman_service_lookup_from_network:
 939  * @network: network structure
 940  *
 941  * Look up a service by network (reference count will not be increased)
 942  */
 943 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
 944 {
 945         struct connman_service *service;
 946         const char *ident, *group;
 947         char *name;
 948
 949         ident = __connman_network_get_ident(network);
 950         if (ident == NULL)
 951                 return NULL;
 952
 953         group = __connman_network_get_group(network);
 954         if (group == NULL)
 955                 return NULL;
 956
 957         name = g_strdup_printf("%s_%s_%s",
 958                         __connman_network_get_type(network), ident, group);
 959
 960         service = __connman_service_lookup(name);
 961
 962         g_free(name);
 963
 964         return service;
 965 }
 966
 967 static enum connman_service_type convert_network_type(struct connman_network *network)
 968 {
 969         enum connman_network_type type = connman_network_get_type(network);
 970
 971         switch (type) {
 972         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 973         case CONNMAN_NETWORK_TYPE_VENDOR:
 974         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 975         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 976         case CONNMAN_NETWORK_TYPE_HSO:
 977                 break;
 978         case CONNMAN_NETWORK_TYPE_WIFI:
 979                 return CONNMAN_SERVICE_TYPE_WIFI;
 980         case CONNMAN_NETWORK_TYPE_WIMAX:
 981                 return CONNMAN_SERVICE_TYPE_WIMAX;
 982         }
 983
 984         return CONNMAN_SERVICE_TYPE_UNKNOWN;
 985 }
 986
 987 static enum connman_service_mode convert_wifi_mode(const char *mode)
 988 {
 989         if (mode == NULL)
 990                 return CONNMAN_SERVICE_MODE_UNKNOWN;
 991         else if (g_str_equal(mode, "managed") == TRUE)
 992                 return CONNMAN_SERVICE_MODE_MANAGED;
 993         else if (g_str_equal(mode, "adhoc") == TRUE)
 994                 return CONNMAN_SERVICE_MODE_ADHOC;
 995         else
 996                 return CONNMAN_SERVICE_MODE_UNKNOWN;
 997 }
 998
 999 static enum connman_service_mode convert_wifi_security(const char *security)
1000 {
1001         if (security == NULL)
1002                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1003         else if (g_str_equal(security, "none") == TRUE)
1004                 return CONNMAN_SERVICE_SECURITY_NONE;
1005         else if (g_str_equal(security, "wep") == TRUE)
1006                 return CONNMAN_SERVICE_SECURITY_WEP;
1007         else if (g_str_equal(security, "wpa") == TRUE)
1008                 return CONNMAN_SERVICE_SECURITY_WPA;
1009         else if (g_str_equal(security, "wpa2") == TRUE)
1010                 return CONNMAN_SERVICE_SECURITY_WPA2;
1011         else
1012                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1013 }
1014
1015 static void update_from_network(struct connman_service *service,
1016                                         struct connman_network *network)
1017 {
1018         connman_uint8_t strength = service->strength;
1019         GSequenceIter *iter;
1020         const char *str;
1021
1022         str = connman_network_get_string(network, "Name");
1023         if (str != NULL) {
1024                 g_free(service->name);
1025                 service->name = g_strdup(str);
1026         }
1027
1028         service->strength = connman_network_get_uint8(network, "Strength");
1029
1030         str = connman_network_get_string(network, "WiFi.Mode");
1031         service->mode = convert_wifi_mode(str);
1032
1033         str = connman_network_get_string(network, "WiFi.Security");
1034         service->security = convert_wifi_security(str);
1035
1036         if (service->strength > strength && service->network != NULL) {
1037                 connman_network_unref(service->network);
1038                 service->network = NULL;
1039         }
1040
1041         if (service->network == NULL) {
1042                 service->network = connman_network_ref(network);
1043
1044                 str = connman_network_get_string(network, "WiFi.Passphrase");
1045                 if (str != NULL) {
1046                         g_free(service->passphrase);
1047                         service->passphrase = g_strdup(str);
1048                 }
1049         }
1050
1051         iter = g_hash_table_lookup(service_hash, service->identifier);
1052         if (iter != NULL)
1053                 g_sequence_sort_changed(iter, service_compare, NULL);
1054 }
1055
1056 /**
1057  * connman_service_create_from_network:
1058  * @network: network structure
1059  *
1060  * Look up service by network and if not found, create one
1061  */
1062 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1063 {
1064         struct connman_service *service;
1065         const char *ident, *group;
1066         char *name;
1067
1068         ident = __connman_network_get_ident(network);
1069         if (ident == NULL)
1070                 return NULL;
1071
1072         group = __connman_network_get_group(network);
1073         if (group == NULL)
1074                 return NULL;
1075
1076         name = g_strdup_printf("%s_%s_%s",
1077                         __connman_network_get_type(network), ident, group);
1078
1079         service = __connman_service_get(name);
1080         if (service == NULL)
1081                 goto done;
1082
1083         if (service->path != NULL) {
1084                 update_from_network(service, network);
1085
1086                 __connman_profile_changed();
1087
1088                 __connman_service_put(service);
1089                 service = NULL;
1090                 goto done;
1091         }
1092
1093         service->type = convert_network_type(network);
1094
1095         service->state = CONNMAN_SERVICE_STATE_IDLE;
1096
1097         update_from_network(service, network);
1098
1099         service_register(service);
1100
1101 done:
1102         g_free(name);
1103
1104         return service;
1105 }
1106
1107 static int service_load(struct connman_service *service)
1108 {
1109         GKeyFile *keyfile;
1110         gchar *pathname, *data = NULL;
1111         gsize length;
1112         char *str;
1113
1114         DBG("service %p", service);
1115
1116         if (service->profile == NULL)
1117                 return -EINVAL;
1118
1119         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1120         if (pathname == NULL)
1121                 return -ENOMEM;
1122
1123         keyfile = g_key_file_new();
1124
1125         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1126                 g_free(pathname);
1127                 return -ENOENT;
1128         }
1129
1130         g_free(pathname);
1131
1132         if (g_key_file_load_from_data(keyfile, data, length,
1133                                                         0, NULL) == FALSE) {
1134                 g_free(data);
1135                 return -EILSEQ;
1136         }
1137
1138         g_free(data);
1139
1140         switch (service->type) {
1141         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1142         case CONNMAN_SERVICE_TYPE_ETHERNET:
1143                 break;
1144         case CONNMAN_SERVICE_TYPE_WIFI:
1145         case CONNMAN_SERVICE_TYPE_WIMAX:
1146                 service->favorite = g_key_file_get_boolean(keyfile,
1147                                 service->identifier, "Favorite", NULL);
1148                 break;
1149         }
1150
1151         str = g_key_file_get_string(keyfile,
1152                                 service->identifier, "Passphrase", NULL);
1153         if (str != NULL) {
1154                 g_free(service->passphrase);
1155                 service->passphrase = str;
1156         }
1157
1158         g_key_file_free(keyfile);
1159
1160         return 0;
1161 }
1162
1163 static int service_save(struct connman_service *service)
1164 {
1165         GKeyFile *keyfile;
1166         gchar *pathname, *data = NULL;
1167         gsize length;
1168
1169         DBG("service %p", service);
1170
1171         if (service->profile == NULL)
1172                 return -EINVAL;
1173
1174         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1175         if (pathname == NULL)
1176                 return -ENOMEM;
1177
1178         keyfile = g_key_file_new();
1179
1180         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1181                 goto update;
1182
1183         if (length > 0) {
1184                 if (g_key_file_load_from_data(keyfile, data, length,
1185                                                         0, NULL) == FALSE)
1186                         goto done;
1187         }
1188
1189         g_free(data);
1190
1191 update:
1192         if (service->name != NULL)
1193                 g_key_file_set_string(keyfile, service->identifier,
1194                                                 "Name", service->name);
1195
1196         switch (service->type) {
1197         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1198         case CONNMAN_SERVICE_TYPE_ETHERNET:
1199                 break;
1200         case CONNMAN_SERVICE_TYPE_WIFI:
1201         case CONNMAN_SERVICE_TYPE_WIMAX:
1202                 g_key_file_set_boolean(keyfile, service->identifier,
1203                                         "Favorite", service->favorite);
1204                 break;
1205         }
1206
1207         if (service->passphrase != NULL)
1208                 g_key_file_set_string(keyfile, service->identifier,
1209                                         "Passphrase", service->passphrase);
1210
1211         data = g_key_file_to_data(keyfile, &length, NULL);
1212
1213         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1214                 connman_error("Failed to store service information");
1215
1216 done:
1217         g_free(data);
1218
1219         g_key_file_free(keyfile);
1220
1221         g_free(pathname);
1222
1223         return 0;
1224 }
1225
1226 static struct connman_storage service_storage = {
1227         .name           = "service",
1228         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1229         .service_load   = service_load,
1230         .service_save   = service_save,
1231 };
1232
1233 int __connman_service_init(void)
1234 {
1235         DBG("");
1236
1237         connection = connman_dbus_get_connection();
1238
1239         if (connman_storage_register(&service_storage) < 0)
1240                 connman_error("Failed to register service storage");
1241
1242         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1243                                                                 NULL, NULL);
1244
1245         service_list = g_sequence_new(service_free);
1246
1247         return 0;
1248 }
1249
1250 void __connman_service_cleanup(void)
1251 {
1252         DBG("");
1253
1254         g_sequence_free(service_list);
1255         service_list = NULL;
1256
1257         g_hash_table_destroy(service_hash);
1258         service_hash = NULL;
1259
1260         connman_storage_unregister(&service_storage);
1261
1262         dbus_connection_unref(connection);
1263 }