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         enum connman_service_error error;
  44         connman_uint8_t strength;
  45         connman_bool_t favorite;
  46         connman_bool_t hidden;
  47         GTimeVal modified;
  48         unsigned int order;
  49         char *name;
  50         char *passphrase;
  51         char *profile;
  52         struct connman_ipconfig *ipconfig;
  53         struct connman_device *device;
  54         struct connman_network *network;
  55         DBusMessage *pending;
  56         guint timeout;
  57 };
  58
  59 static void append_path(gpointer value, gpointer user_data)
  60 {
  61         struct connman_service *service = value;
  62         DBusMessageIter *iter = user_data;
  63
  64         if (service->path == NULL)
  65                 return;
  66
  67         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
  68                                                         &service->path);
  69 }
  70
  71 void __connman_service_list(DBusMessageIter *iter)
  72 {
  73         DBG("");
  74
  75         g_sequence_foreach(service_list, append_path, iter);
  76 }
  77
  78 struct find_data {
  79         const char *path;
  80         struct connman_service *service;
  81 };
  82
  83 static void compare_path(gpointer value, gpointer user_data)
  84 {
  85         struct connman_service *service = value;
  86         struct find_data *data = user_data;
  87
  88         if (data->service != NULL)
  89                 return;
  90
  91         if (g_strcmp0(service->path, data->path) == 0)
  92                 data->service = service;
  93 }
  94
  95 static struct connman_service *find_service(const char *path)
  96 {
  97         struct find_data data = { .path = path, .service = NULL };
  98
  99         DBG("path %s", path);
 100
 101         g_sequence_foreach(service_list, compare_path, &data);
 102
 103         return data.service;
 104 }
 105
 106 static const char *type2string(enum connman_service_type type)
 107 {
 108         switch (type) {
 109         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 110                 break;
 111         case CONNMAN_SERVICE_TYPE_ETHERNET:
 112                 return "ethernet";
 113         case CONNMAN_SERVICE_TYPE_WIFI:
 114                 return "wifi";
 115         case CONNMAN_SERVICE_TYPE_WIMAX:
 116                 return "wimax";
 117         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 118                 return "bluetooth";
 119         case CONNMAN_SERVICE_TYPE_CELLULAR:
 120                 return "cellular";
 121         }
 122
 123         return NULL;
 124 }
 125
 126 static const char *mode2string(enum connman_service_mode mode)
 127 {
 128         switch (mode) {
 129         case CONNMAN_SERVICE_MODE_UNKNOWN:
 130                 break;
 131         case CONNMAN_SERVICE_MODE_MANAGED:
 132                 return "managed";
 133         case CONNMAN_SERVICE_MODE_ADHOC:
 134                 return "adhoc";
 135         }
 136
 137         return NULL;
 138 }
 139
 140 static const char *security2string(enum connman_service_security security)
 141 {
 142         switch (security) {
 143         case CONNMAN_SERVICE_SECURITY_UNKNOWN:
 144                 break;
 145         case CONNMAN_SERVICE_SECURITY_NONE:
 146                 return "none";
 147         case CONNMAN_SERVICE_SECURITY_WEP:
 148                 return "wep";
 149         case CONNMAN_SERVICE_SECURITY_WPA:
 150                 return "wpa";
 151         case CONNMAN_SERVICE_SECURITY_RSN:
 152                 return "rsn";
 153         }
 154
 155         return NULL;
 156 }
 157
 158 static const char *state2string(enum connman_service_state state)
 159 {
 160         switch (state) {
 161         case CONNMAN_SERVICE_STATE_UNKNOWN:
 162                 break;
 163         case CONNMAN_SERVICE_STATE_IDLE:
 164                 return "idle";
 165         case CONNMAN_SERVICE_STATE_CARRIER:
 166                 return "carrier";
 167         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 168                 return "association";
 169         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 170                 return "configuration";
 171         case CONNMAN_SERVICE_STATE_READY:
 172                 return "ready";
 173         case CONNMAN_SERVICE_STATE_DISCONNECT:
 174                 return "disconnect";
 175         case CONNMAN_SERVICE_STATE_FAILURE:
 176                 return "failure";
 177         }
 178
 179         return NULL;
 180 }
 181
 182 static void state_changed(struct connman_service *service)
 183 {
 184         DBusMessage *signal;
 185         DBusMessageIter entry, value;
 186         const char *str, *key = "State";
 187
 188         if (service->path == NULL)
 189                 return;
 190
 191         str = state2string(service->state);
 192         if (str == NULL)
 193                 return;
 194
 195         signal = dbus_message_new_signal(service->path,
 196                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 197         if (signal == NULL)
 198                 return;
 199
 200         dbus_message_iter_init_append(signal, &entry);
 201
 202         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 203
 204         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 205                                         DBUS_TYPE_STRING_AS_STRING, &value);
 206         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 207         dbus_message_iter_close_container(&entry, &value);
 208
 209         g_dbus_send_message(connection, signal);
 210 }
 211
 212 static void strength_changed(struct connman_service *service)
 213 {
 214         DBusMessage *signal;
 215         DBusMessageIter entry, value;
 216         const char *key = "Strength";
 217
 218         if (service->path == NULL)
 219                 return;
 220
 221         if (service->strength == 0)
 222                 return;
 223
 224         signal = dbus_message_new_signal(service->path,
 225                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 226         if (signal == NULL)
 227                 return;
 228
 229         dbus_message_iter_init_append(signal, &entry);
 230
 231         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 232
 233         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 234                                         DBUS_TYPE_BYTE_AS_STRING, &value);
 235         dbus_message_iter_append_basic(&value, DBUS_TYPE_BYTE,
 236                                                         &service->strength);
 237         dbus_message_iter_close_container(&entry, &value);
 238
 239         g_dbus_send_message(connection, signal);
 240 }
 241
 242 static DBusMessage *get_properties(DBusConnection *conn,
 243                                         DBusMessage *msg, void *user_data)
 244 {
 245         struct connman_service *service = user_data;
 246         DBusMessage *reply;
 247         DBusMessageIter array, dict;
 248         const char *str;
 249
 250         DBG("service %p", service);
 251
 252         reply = dbus_message_new_method_return(msg);
 253         if (reply == NULL)
 254                 return NULL;
 255
 256         dbus_message_iter_init_append(reply, &array);
 257
 258         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 259                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 260                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 261                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 262
 263         str = type2string(service->type);
 264         if (str != NULL)
 265                 connman_dbus_dict_append_variant(&dict, "Type",
 266                                                 DBUS_TYPE_STRING, &str);
 267
 268         str = mode2string(service->mode);
 269         if (str != NULL)
 270                 connman_dbus_dict_append_variant(&dict, "Mode",
 271                                                 DBUS_TYPE_STRING, &str);
 272
 273         str = security2string(service->security);
 274         if (str != NULL)
 275                 connman_dbus_dict_append_variant(&dict, "Security",
 276                                                 DBUS_TYPE_STRING, &str);
 277
 278         str = state2string(service->state);
 279         if (str != NULL)
 280                 connman_dbus_dict_append_variant(&dict, "State",
 281                                                 DBUS_TYPE_STRING, &str);
 282
 283         if (service->strength > 0)
 284                 connman_dbus_dict_append_variant(&dict, "Strength",
 285                                         DBUS_TYPE_BYTE, &service->strength);
 286
 287         connman_dbus_dict_append_variant(&dict, "Favorite",
 288                                         DBUS_TYPE_BOOLEAN, &service->favorite);
 289
 290         if (service->name != NULL)
 291                 connman_dbus_dict_append_variant(&dict, "Name",
 292                                         DBUS_TYPE_STRING, &service->name);
 293
 294         if (service->passphrase != NULL &&
 295                         __connman_security_check_privilege(msg,
 296                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 297                 connman_dbus_dict_append_variant(&dict, "Passphrase",
 298                                 DBUS_TYPE_STRING, &service->passphrase);
 299
 300         __connman_ipconfig_append_ipv4(service->ipconfig, &dict, "IPv4.");
 301
 302         dbus_message_iter_close_container(&array, &dict);
 303
 304         return reply;
 305 }
 306
 307 static DBusMessage *set_property(DBusConnection *conn,
 308                                         DBusMessage *msg, void *user_data)
 309 {
 310         struct connman_service *service = user_data;
 311         DBusMessageIter iter, value;
 312         const char *name;
 313         int type;
 314
 315         DBG("service %p", service);
 316
 317         if (dbus_message_iter_init(msg, &iter) == FALSE)
 318                 return __connman_error_invalid_arguments(msg);
 319
 320         dbus_message_iter_get_basic(&iter, &name);
 321         dbus_message_iter_next(&iter);
 322         dbus_message_iter_recurse(&iter, &value);
 323
 324         if (__connman_security_check_privilege(msg,
 325                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 326                 return __connman_error_permission_denied(msg);
 327
 328         type = dbus_message_iter_get_arg_type(&value);
 329
 330         if (g_str_equal(name, "Passphrase") == TRUE) {
 331                 const char *passphrase;
 332
 333                 if (type != DBUS_TYPE_STRING)
 334                         return __connman_error_invalid_arguments(msg);
 335
 336                 if (__connman_security_check_privilege(msg,
 337                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 338                         return __connman_error_permission_denied(msg);
 339
 340                 dbus_message_iter_get_basic(&value, &passphrase);
 341
 342                 g_free(service->passphrase);
 343                 service->passphrase = g_strdup(passphrase);
 344
 345                 if (service->network != NULL)
 346                         connman_network_set_string(service->network,
 347                                 "WiFi.Passphrase", service->passphrase);
 348
 349                 __connman_storage_save_service(service);
 350         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 351                 int err;
 352
 353                 err = __connman_ipconfig_set_ipv4(service->ipconfig,
 354                                                         name + 5, &value);
 355                 if (err < 0)
 356                         return __connman_error_failed(msg, -err);
 357         } else
 358                 return __connman_error_invalid_property(msg);
 359
 360         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 361 }
 362
 363 static gboolean connect_timeout(gpointer user_data)
 364 {
 365         struct connman_service *service = user_data;
 366
 367         DBG("service %p", service);
 368
 369         service->timeout = 0;
 370
 371         if (service->network != NULL)
 372                 __connman_network_disconnect(service->network);
 373
 374         if (service->pending != NULL) {
 375                 DBusMessage *reply;
 376
 377                 reply = __connman_error_operation_timeout(service->pending);
 378                 if (reply != NULL)
 379                         g_dbus_send_message(connection, reply);
 380
 381                 dbus_message_unref(service->pending);
 382                 service->pending = NULL;
 383
 384                 __connman_service_indicate_state(service,
 385                                         CONNMAN_SERVICE_STATE_FAILURE);
 386         }
 387
 388         return FALSE;
 389 }
 390
 391 static DBusMessage *connect_service(DBusConnection *conn,
 392                                         DBusMessage *msg, void *user_data)
 393 {
 394         struct connman_service *service = user_data;
 395
 396         DBG("service %p", service);
 397
 398         if (service->pending != NULL)
 399                 return __connman_error_in_progress(msg);
 400
 401         if (service->state == CONNMAN_SERVICE_STATE_READY)
 402                 return __connman_error_already_connected(msg);
 403
 404         if (service->network != NULL) {
 405                 int err;
 406
 407                 if (service->hidden == TRUE)
 408                         return __connman_error_invalid_service(msg);
 409
 410                 connman_network_set_string(service->network,
 411                                 "WiFi.Passphrase", service->passphrase);
 412
 413                 err = __connman_network_connect(service->network);
 414                 if (err < 0 && err != -EINPROGRESS)
 415                         return __connman_error_failed(msg, -err);
 416
 417                 service->pending = dbus_message_ref(msg);
 418
 419                 service->timeout = g_timeout_add_seconds(45,
 420                                                 connect_timeout, service);
 421
 422                 return NULL;
 423         } else if (service->device != NULL) {
 424                 if (service->favorite == FALSE)
 425                         return __connman_error_no_carrier(msg);
 426
 427                 if (__connman_device_connect(service->device) < 0)
 428                         return __connman_error_failed(msg, EINVAL);
 429
 430                 service->pending = dbus_message_ref(msg);
 431                 service->timeout = g_timeout_add_seconds(15,
 432                                                 connect_timeout, service);
 433
 434                 return NULL;
 435         }
 436
 437         return __connman_error_not_supported(msg);
 438 }
 439
 440 static DBusMessage *disconnect_service(DBusConnection *conn,
 441                                         DBusMessage *msg, void *user_data)
 442 {
 443         struct connman_service *service = user_data;
 444
 445         DBG("service %p", service);
 446
 447         if (service->pending != NULL) {
 448                 DBusMessage *reply;
 449
 450                 reply = __connman_error_operation_aborted(service->pending);
 451                 if (reply != NULL)
 452                         g_dbus_send_message(conn, reply);
 453
 454                 dbus_message_unref(service->pending);
 455                 service->pending = NULL;
 456
 457                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 458         }
 459
 460         if (service->network != NULL) {
 461                 int err;
 462
 463                 err = __connman_network_disconnect(service->network);
 464                 if (err < 0 && err != -EINPROGRESS)
 465                         return __connman_error_failed(msg, -err);
 466
 467                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 468         } else if (service->device != NULL) {
 469                 int err;
 470
 471                 if (service->favorite == FALSE)
 472                         return __connman_error_no_carrier(msg);
 473
 474                 err = __connman_device_disconnect(service->device);
 475                 if (err < 0)
 476                         return __connman_error_failed(msg, -err);
 477
 478                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 479         }
 480
 481         return __connman_error_not_supported(msg);
 482 }
 483
 484 static DBusMessage *remove_service(DBusConnection *conn,
 485                                         DBusMessage *msg, void *user_data)
 486 {
 487         struct connman_service *service = user_data;
 488
 489         DBG("service %p", service);
 490
 491         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 492                 return __connman_error_not_supported(msg);
 493
 494         if (service->favorite == FALSE)
 495                 return __connman_error_not_supported(msg);
 496
 497         if (service->network != NULL)
 498                 __connman_network_disconnect(service->network);
 499
 500         connman_service_set_favorite(service, FALSE);
 501         __connman_storage_save_service(service);
 502
 503         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 504 }
 505
 506 static DBusMessage *move_before(DBusConnection *conn,
 507                                         DBusMessage *msg, void *user_data)
 508 {
 509         struct connman_service *service = user_data;
 510         struct connman_service *target;
 511         const char *path;
 512         GSequenceIter *src, *dst;
 513
 514         DBG("service %p", service);
 515
 516         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 517                                                         DBUS_TYPE_INVALID);
 518
 519         if (service->favorite == FALSE)
 520                 return __connman_error_not_supported(msg);
 521
 522         target = find_service(path);
 523         if (target == NULL || target->favorite == FALSE || target == service)
 524                 return __connman_error_invalid_service(msg);
 525
 526         DBG("target %s", target->identifier);
 527
 528         g_get_current_time(&service->modified);
 529         __connman_storage_save_service(service);
 530
 531         src = g_hash_table_lookup(service_hash, service->identifier);
 532         dst = g_hash_table_lookup(service_hash, target->identifier);
 533
 534 #if 0
 535         g_sequence_move(src, dst);
 536
 537         __connman_profile_changed();
 538
 539         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 540 #endif
 541         return __connman_error_not_implemented(msg);
 542 }
 543
 544 static DBusMessage *move_after(DBusConnection *conn,
 545                                         DBusMessage *msg, void *user_data)
 546 {
 547         struct connman_service *service = user_data;
 548         struct connman_service *target;
 549         const char *path;
 550
 551         DBG("service %p", service);
 552
 553         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 554                                                         DBUS_TYPE_INVALID);
 555
 556         if (service->favorite == FALSE)
 557                 return __connman_error_not_supported(msg);
 558
 559         target = find_service(path);
 560         if (target == NULL || target->favorite == FALSE || target == service)
 561                 return __connman_error_invalid_service(msg);
 562
 563         DBG("target %s", target->identifier);
 564
 565         g_get_current_time(&service->modified);
 566         __connman_storage_save_service(service);
 567
 568         return __connman_error_not_implemented(msg);
 569 }
 570
 571 static GDBusMethodTable service_methods[] = {
 572         { "GetProperties", "",   "a{sv}", get_properties     },
 573         { "SetProperty",   "sv", "",      set_property       },
 574         { "Connect",       "",   "",      connect_service,
 575                                                 G_DBUS_METHOD_FLAG_ASYNC },
 576         { "Disconnect",    "",   "",      disconnect_service },
 577         { "Remove",        "",   "",      remove_service     },
 578         { "MoveBefore",    "o",  "",      move_before        },
 579         { "MoveAfter",     "o",  "",      move_after         },
 580         { },
 581 };
 582
 583 static GDBusSignalTable service_signals[] = {
 584         { "PropertyChanged", "sv" },
 585         { },
 586 };
 587
 588 static void service_free(gpointer user_data)
 589 {
 590         struct connman_service *service = user_data;
 591         char *path = service->path;
 592
 593         DBG("service %p", service);
 594
 595         g_hash_table_remove(service_hash, service->identifier);
 596
 597         if (service->timeout > 0) {
 598                 g_source_remove(service->timeout);
 599                 service->timeout = 0;
 600         }
 601
 602         if (service->pending != NULL) {
 603                 dbus_message_unref(service->pending);
 604                 service->pending = NULL;
 605         }
 606
 607         service->path = NULL;
 608
 609         if (path != NULL) {
 610                 __connman_profile_changed();
 611
 612                 g_dbus_unregister_interface(connection, path,
 613                                                 CONNMAN_SERVICE_INTERFACE);
 614                 g_free(path);
 615         }
 616
 617         if (service->network != NULL)
 618                 connman_network_unref(service->network);
 619
 620         connman_ipconfig_unref(service->ipconfig);
 621
 622         g_free(service->profile);
 623         g_free(service->name);
 624         g_free(service->passphrase);
 625         g_free(service->identifier);
 626         g_free(service);
 627 }
 628
 629 /**
 630  * __connman_service_put:
 631  * @service: service structure
 632  *
 633  * Release service if no longer needed
 634  */
 635 void __connman_service_put(struct connman_service *service)
 636 {
 637         DBG("service %p", service);
 638
 639         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 640                 GSequenceIter *iter;
 641
 642                 iter = g_hash_table_lookup(service_hash, service->identifier);
 643                 if (iter != NULL)
 644                         g_sequence_remove(iter);
 645                 else
 646                         service_free(service);
 647         }
 648 }
 649
 650 static void __connman_service_initialize(struct connman_service *service)
 651 {
 652         DBG("service %p", service);
 653
 654         service->refcount = 1;
 655
 656         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
 657         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
 658         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
 659         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
 660
 661         service->favorite = FALSE;
 662         service->hidden = FALSE;
 663
 664         service->order = 0;
 665 }
 666
 667 /**
 668  * connman_service_create:
 669  *
 670  * Allocate a new service.
 671  *
 672  * Returns: a newly-allocated #connman_service structure
 673  */
 674 struct connman_service *connman_service_create(void)
 675 {
 676         struct connman_service *service;
 677
 678         service = g_try_new0(struct connman_service, 1);
 679         if (service == NULL)
 680                 return NULL;
 681
 682         DBG("service %p", service);
 683
 684         __connman_service_initialize(service);
 685
 686         service->ipconfig = connman_ipconfig_create();
 687         if (service->ipconfig == NULL) {
 688                 g_free(service);
 689                 return NULL;
 690         }
 691
 692         return service;
 693 }
 694
 695 /**
 696  * connman_service_ref:
 697  * @service: service structure
 698  *
 699  * Increase reference counter of service
 700  */
 701 struct connman_service *connman_service_ref(struct connman_service *service)
 702 {
 703         g_atomic_int_inc(&service->refcount);
 704
 705         return service;
 706 }
 707
 708 /**
 709  * connman_service_unref:
 710  * @service: service structure
 711  *
 712  * Decrease reference counter of service
 713  */
 714 void connman_service_unref(struct connman_service *service)
 715 {
 716         __connman_service_put(service);
 717 }
 718
 719 static gint service_compare(gconstpointer a, gconstpointer b,
 720                                                         gpointer user_data)
 721 {
 722         struct connman_service *service_a = (void *) a;
 723         struct connman_service *service_b = (void *) b;
 724
 725         if (service_a->state != service_b->state) {
 726                 if (service_a->state == CONNMAN_SERVICE_STATE_READY)
 727                         return -1;
 728                 if (service_b->state == CONNMAN_SERVICE_STATE_READY)
 729                         return 1;
 730         }
 731
 732         if (service_a->order > service_b->order)
 733                 return -1;
 734
 735         if (service_a->order < service_b->order)
 736                 return 1;
 737
 738         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
 739                 return -1;
 740
 741         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
 742                 return 1;
 743
 744         return (gint) service_b->strength - (gint) service_a->strength;
 745 }
 746
 747 /**
 748  * connman_service_set_favorite:
 749  * @service: service structure
 750  * @favorite: favorite value
 751  *
 752  * Change the favorite setting of service
 753  */
 754 int connman_service_set_favorite(struct connman_service *service,
 755                                                 connman_bool_t favorite)
 756 {
 757         GSequenceIter *iter;
 758
 759         iter = g_hash_table_lookup(service_hash, service->identifier);
 760         if (iter == NULL)
 761                 return -ENOENT;
 762
 763         if (service->favorite == favorite)
 764                 return -EALREADY;
 765
 766         service->favorite = favorite;
 767
 768         g_sequence_sort_changed(iter, service_compare, NULL);
 769
 770         __connman_profile_changed();
 771
 772         return 0;
 773 }
 774
 775 int __connman_service_set_carrier(struct connman_service *service,
 776                                                 connman_bool_t carrier)
 777 {
 778         DBG("service %p carrier %d", service, carrier);
 779
 780         if (service == NULL)
 781                 return -EINVAL;
 782
 783         switch (service->type) {
 784         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 785         case CONNMAN_SERVICE_TYPE_WIFI:
 786         case CONNMAN_SERVICE_TYPE_WIMAX:
 787         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 788         case CONNMAN_SERVICE_TYPE_CELLULAR:
 789                 return -EINVAL;
 790         case CONNMAN_SERVICE_TYPE_ETHERNET:
 791                 break;
 792         }
 793
 794         if (carrier == FALSE) {
 795                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 796                 state_changed(service);
 797
 798                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 799                 state_changed(service);
 800         } else {
 801                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
 802                 state_changed(service);
 803         }
 804
 805         return connman_service_set_favorite(service, carrier);
 806 }
 807
 808 int __connman_service_indicate_state(struct connman_service *service,
 809                                         enum connman_service_state state)
 810 {
 811         GSequenceIter *iter;
 812
 813         DBG("service %p state %d", service, state);
 814
 815         if (service == NULL)
 816                 return -EINVAL;
 817
 818         if (state == CONNMAN_SERVICE_STATE_CARRIER)
 819                 return __connman_service_set_carrier(service, TRUE);
 820
 821         if (service->state == state)
 822                 return -EALREADY;
 823
 824         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
 825                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
 826                 return -EINVAL;
 827
 828         if (state == CONNMAN_SERVICE_STATE_IDLE &&
 829                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
 830                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 831                 state_changed(service);
 832         }
 833
 834         service->state = state;
 835         state_changed(service);
 836
 837         if (state == CONNMAN_SERVICE_STATE_READY) {
 838                 connman_service_set_favorite(service, TRUE);
 839                 __connman_storage_save_service(service);
 840
 841                 if (service->timeout > 0) {
 842                         g_source_remove(service->timeout);
 843                         service->timeout = 0;
 844                 }
 845
 846                 if (service->pending != NULL) {
 847                         g_dbus_send_reply(connection, service->pending,
 848                                                         DBUS_TYPE_INVALID);
 849
 850                         dbus_message_unref(service->pending);
 851                         service->pending = NULL;
 852                 }
 853
 854                 g_get_current_time(&service->modified);
 855                 __connman_storage_save_service(service);
 856         }
 857
 858         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
 859                 if (service->timeout > 0) {
 860                         g_source_remove(service->timeout);
 861                         service->timeout = 0;
 862                 }
 863
 864                 if (service->pending != NULL) {
 865                         DBusMessage *reply;
 866
 867                         reply = __connman_error_failed(service->pending, EIO);
 868                         if (reply != NULL)
 869                                 g_dbus_send_message(connection, reply);
 870
 871                         dbus_message_unref(service->pending);
 872                         service->pending = NULL;
 873                 }
 874
 875                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 876                 state_changed(service);
 877         } else
 878                 service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
 879
 880         iter = g_hash_table_lookup(service_hash, service->identifier);
 881         if (iter != NULL)
 882                 g_sequence_sort_changed(iter, service_compare, NULL);
 883
 884         __connman_profile_changed();
 885
 886         return 0;
 887 }
 888
 889 int __connman_service_indicate_error(struct connman_service *service,
 890                                         enum connman_service_error error)
 891 {
 892         DBG("service %p error %d", service, error);
 893
 894         if (service == NULL)
 895                 return -EINVAL;
 896
 897         service->error = error;
 898
 899         return __connman_service_indicate_state(service,
 900                                         CONNMAN_SERVICE_STATE_FAILURE);
 901 }
 902
 903 int __connman_service_indicate_default(struct connman_service *service)
 904 {
 905         DBG("service %p", service);
 906
 907         return 0;
 908 }
 909
 910 /**
 911  * __connman_service_lookup:
 912  * @identifier: service identifier
 913  *
 914  * Look up a service by identifier (reference count will not be increased)
 915  */
 916 static struct connman_service *__connman_service_lookup(const char *identifier)
 917 {
 918         GSequenceIter *iter;
 919
 920         iter = g_hash_table_lookup(service_hash, identifier);
 921         if (iter != NULL)
 922                 return g_sequence_get(iter);
 923
 924         return NULL;
 925 }
 926
 927 /**
 928  * __connman_service_get:
 929  * @identifier: service identifier
 930  *
 931  * Look up a service by identifier or create a new one if not found
 932  */
 933 static struct connman_service *__connman_service_get(const char *identifier)
 934 {
 935         struct connman_service *service;
 936         GSequenceIter *iter;
 937
 938         iter = g_hash_table_lookup(service_hash, identifier);
 939         if (iter != NULL) {
 940                 service = g_sequence_get(iter);
 941                 if (service != NULL)
 942                         g_atomic_int_inc(&service->refcount);
 943                 return service;
 944         }
 945
 946         service = connman_service_create();
 947         if (service == NULL)
 948                 return NULL;
 949
 950         DBG("service %p", service);
 951
 952         service->identifier = g_strdup(identifier);
 953
 954         service->profile = g_strdup(__connman_profile_active_ident());
 955
 956         __connman_storage_load_service(service);
 957
 958         iter = g_sequence_insert_sorted(service_list, service,
 959                                                 service_compare, NULL);
 960
 961         g_hash_table_insert(service_hash, service->identifier, iter);
 962
 963         return service;
 964 }
 965
 966 static int service_register(struct connman_service *service)
 967 {
 968         const char *path = __connman_profile_active_path();
 969         GSequenceIter *iter;
 970
 971         DBG("service %p", service);
 972
 973         if (service->path != NULL)
 974                 return -EALREADY;
 975
 976         service->path = g_strdup_printf("%s/%s", path, service->identifier);
 977
 978         DBG("path %s", service->path);
 979
 980         g_dbus_register_interface(connection, service->path,
 981                                         CONNMAN_SERVICE_INTERFACE,
 982                                         service_methods, service_signals,
 983                                                         NULL, service, NULL);
 984
 985         __connman_storage_load_service(service);
 986
 987         iter = g_hash_table_lookup(service_hash, service->identifier);
 988         if (iter != NULL)
 989                 g_sequence_sort_changed(iter, service_compare, NULL);
 990
 991         __connman_profile_changed();
 992
 993         return 0;
 994 }
 995
 996 /**
 997  * connman_service_lookup_from_device:
 998  * @device: device structure
 999  *
1000  * Look up a service by device (reference count will not be increased)
1001  */
1002 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
1003 {
1004         struct connman_service *service;
1005         const char *ident;
1006         char *name;
1007
1008         ident = __connman_device_get_ident(device);
1009         if (ident == NULL)
1010                 return NULL;
1011
1012         name = g_strdup_printf("%s_%s",
1013                                 __connman_device_get_type(device), ident);
1014
1015         service = __connman_service_lookup(name);
1016
1017         g_free(name);
1018
1019         return service;
1020 }
1021
1022 static enum connman_service_type convert_device_type(struct connman_device *device)
1023 {
1024         enum connman_device_type type = connman_device_get_type(device);
1025
1026         switch (type) {
1027         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1028         case CONNMAN_DEVICE_TYPE_VENDOR:
1029         case CONNMAN_DEVICE_TYPE_WIFI:
1030         case CONNMAN_DEVICE_TYPE_WIMAX:
1031         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1032         case CONNMAN_DEVICE_TYPE_GPS:
1033         case CONNMAN_DEVICE_TYPE_HSO:
1034         case CONNMAN_DEVICE_TYPE_NOZOMI:
1035         case CONNMAN_DEVICE_TYPE_HUAWEI:
1036         case CONNMAN_DEVICE_TYPE_NOVATEL:
1037                 break;
1038         case CONNMAN_DEVICE_TYPE_ETHERNET:
1039                 return CONNMAN_SERVICE_TYPE_ETHERNET;
1040         }
1041
1042         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1043 }
1044
1045 /**
1046  * connman_service_create_from_device:
1047  * @device: device structure
1048  *
1049  * Look up service by device and if not found, create one
1050  */
1051 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
1052 {
1053         struct connman_service *service;
1054         const char *ident;
1055         char *name;
1056
1057         ident = __connman_device_get_ident(device);
1058         if (ident == NULL)
1059                 return NULL;
1060
1061         name = g_strdup_printf("%s_%s",
1062                                 __connman_device_get_type(device), ident);
1063
1064         service = __connman_service_get(name);
1065         if (service == NULL)
1066                 goto done;
1067
1068         if (service->path != NULL) {
1069                 __connman_service_put(service);
1070                 service = NULL;
1071                 goto done;
1072         }
1073
1074         service->type = convert_device_type(device);
1075
1076         service->device = device;
1077
1078         service_register(service);
1079
1080 done:
1081         g_free(name);
1082
1083         return service;
1084 }
1085
1086 /**
1087  * connman_service_lookup_from_network:
1088  * @network: network structure
1089  *
1090  * Look up a service by network (reference count will not be increased)
1091  */
1092 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
1093 {
1094         struct connman_service *service;
1095         const char *ident, *group;
1096         char *name;
1097
1098         ident = __connman_network_get_ident(network);
1099         if (ident == NULL)
1100                 return NULL;
1101
1102         group = __connman_network_get_group(network);
1103         if (group == NULL)
1104                 return NULL;
1105
1106         name = g_strdup_printf("%s_%s_%s",
1107                         __connman_network_get_type(network), ident, group);
1108
1109         service = __connman_service_lookup(name);
1110
1111         g_free(name);
1112
1113         return service;
1114 }
1115
1116 unsigned int __connman_service_get_order(struct connman_service *service)
1117 {
1118         return service->order;
1119 }
1120
1121 static enum connman_service_type convert_network_type(struct connman_network *network)
1122 {
1123         enum connman_network_type type = connman_network_get_type(network);
1124
1125         switch (type) {
1126         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1127         case CONNMAN_NETWORK_TYPE_VENDOR:
1128         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1129         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1130         case CONNMAN_NETWORK_TYPE_HSO:
1131                 break;
1132         case CONNMAN_NETWORK_TYPE_WIFI:
1133                 return CONNMAN_SERVICE_TYPE_WIFI;
1134         case CONNMAN_NETWORK_TYPE_WIMAX:
1135                 return CONNMAN_SERVICE_TYPE_WIMAX;
1136         }
1137
1138         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1139 }
1140
1141 static enum connman_service_mode convert_wifi_mode(const char *mode)
1142 {
1143         if (mode == NULL)
1144                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1145         else if (g_str_equal(mode, "managed") == TRUE)
1146                 return CONNMAN_SERVICE_MODE_MANAGED;
1147         else if (g_str_equal(mode, "adhoc") == TRUE)
1148                 return CONNMAN_SERVICE_MODE_ADHOC;
1149         else
1150                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1151 }
1152
1153 static enum connman_service_mode convert_wifi_security(const char *security)
1154 {
1155         if (security == NULL)
1156                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1157         else if (g_str_equal(security, "none") == TRUE)
1158                 return CONNMAN_SERVICE_SECURITY_NONE;
1159         else if (g_str_equal(security, "wep") == TRUE)
1160                 return CONNMAN_SERVICE_SECURITY_WEP;
1161         else if (g_str_equal(security, "wpa") == TRUE)
1162                 return CONNMAN_SERVICE_SECURITY_WPA;
1163         else if (g_str_equal(security, "rsn") == TRUE)
1164                 return CONNMAN_SERVICE_SECURITY_RSN;
1165         else
1166                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1167 }
1168
1169 static void update_from_network(struct connman_service *service,
1170                                         struct connman_network *network)
1171 {
1172         connman_uint8_t strength = service->strength;
1173         GSequenceIter *iter;
1174         const char *str;
1175
1176         str = connman_network_get_string(network, "Name");
1177         if (str != NULL) {
1178                 g_free(service->name);
1179                 service->name = g_strdup(str);
1180                 service->hidden = FALSE;
1181         } else {
1182                 g_free(service->name);
1183                 service->name = NULL;
1184                 service->hidden = TRUE;
1185         }
1186
1187         service->strength = connman_network_get_uint8(network, "Strength");
1188
1189         str = connman_network_get_string(network, "WiFi.Mode");
1190         service->mode = convert_wifi_mode(str);
1191
1192         str = connman_network_get_string(network, "WiFi.Security");
1193         service->security = convert_wifi_security(str);
1194
1195         if (service->strength > strength && service->network != NULL) {
1196                 connman_network_unref(service->network);
1197                 service->network = NULL;
1198
1199                 strength_changed(service);
1200         }
1201
1202         if (service->network == NULL) {
1203                 service->network = connman_network_ref(network);
1204
1205                 str = connman_network_get_string(network, "WiFi.Passphrase");
1206                 if (str != NULL) {
1207                         g_free(service->passphrase);
1208                         service->passphrase = g_strdup(str);
1209                 }
1210         }
1211
1212         iter = g_hash_table_lookup(service_hash, service->identifier);
1213         if (iter != NULL)
1214                 g_sequence_sort_changed(iter, service_compare, NULL);
1215 }
1216
1217 /**
1218  * connman_service_create_from_network:
1219  * @network: network structure
1220  *
1221  * Look up service by network and if not found, create one
1222  */
1223 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1224 {
1225         struct connman_service *service;
1226         const char *ident, *group;
1227         char *name;
1228
1229         if (__connman_service_lookup_from_network(network) != NULL) {
1230                 connman_error("Service already exists");
1231                 return NULL;
1232         }
1233
1234         ident = __connman_network_get_ident(network);
1235         if (ident == NULL)
1236                 return NULL;
1237
1238         group = __connman_network_get_group(network);
1239         if (group == NULL)
1240                 return NULL;
1241
1242         name = g_strdup_printf("%s_%s_%s",
1243                         __connman_network_get_type(network), ident, group);
1244
1245         service = __connman_service_get(name);
1246         if (service == NULL)
1247                 goto done;
1248
1249         if (service->path != NULL) {
1250                 update_from_network(service, network);
1251
1252                 __connman_profile_changed();
1253
1254                 __connman_service_put(service);
1255                 service = NULL;
1256                 goto done;
1257         }
1258
1259         service->type = convert_network_type(network);
1260
1261         service->state = CONNMAN_SERVICE_STATE_IDLE;
1262
1263         update_from_network(service, network);
1264
1265         service_register(service);
1266
1267 done:
1268         g_free(name);
1269
1270         return service;
1271 }
1272
1273 static int service_load(struct connman_service *service)
1274 {
1275         GKeyFile *keyfile;
1276         gchar *pathname, *data = NULL;
1277         gsize length;
1278         gchar *str;
1279
1280         DBG("service %p", service);
1281
1282         if (service->profile == NULL)
1283                 return -EINVAL;
1284
1285         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1286         if (pathname == NULL)
1287                 return -ENOMEM;
1288
1289         keyfile = g_key_file_new();
1290
1291         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1292                 g_free(pathname);
1293                 return -ENOENT;
1294         }
1295
1296         g_free(pathname);
1297
1298         if (g_key_file_load_from_data(keyfile, data, length,
1299                                                         0, NULL) == FALSE) {
1300                 g_free(data);
1301                 return -EILSEQ;
1302         }
1303
1304         g_free(data);
1305
1306         switch (service->type) {
1307         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1308         case CONNMAN_SERVICE_TYPE_ETHERNET:
1309                 break;
1310         case CONNMAN_SERVICE_TYPE_WIFI:
1311         case CONNMAN_SERVICE_TYPE_WIMAX:
1312         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1313         case CONNMAN_SERVICE_TYPE_CELLULAR:
1314                 service->favorite = g_key_file_get_boolean(keyfile,
1315                                 service->identifier, "Favorite", NULL);
1316                 break;
1317         }
1318
1319         str = g_key_file_get_string(keyfile,
1320                                 service->identifier, "Modified", NULL);
1321         if (str != NULL) {
1322                 g_time_val_from_iso8601(str, &service->modified);
1323                 g_free(str);
1324         }
1325
1326         str = g_key_file_get_string(keyfile,
1327                                 service->identifier, "Passphrase", NULL);
1328         if (str != NULL) {
1329                 g_free(service->passphrase);
1330                 service->passphrase = str;
1331         }
1332
1333         g_key_file_free(keyfile);
1334
1335         return 0;
1336 }
1337
1338 static int service_save(struct connman_service *service)
1339 {
1340         GKeyFile *keyfile;
1341         gchar *pathname, *data = NULL;
1342         gsize length;
1343         gchar *str;
1344
1345         DBG("service %p", service);
1346
1347         if (service->profile == NULL)
1348                 return -EINVAL;
1349
1350         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1351         if (pathname == NULL)
1352                 return -ENOMEM;
1353
1354         keyfile = g_key_file_new();
1355
1356         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1357                 goto update;
1358
1359         if (length > 0) {
1360                 if (g_key_file_load_from_data(keyfile, data, length,
1361                                                         0, NULL) == FALSE)
1362                         goto done;
1363         }
1364
1365         g_free(data);
1366
1367 update:
1368         if (service->name != NULL)
1369                 g_key_file_set_string(keyfile, service->identifier,
1370                                                 "Name", service->name);
1371
1372         switch (service->type) {
1373         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1374         case CONNMAN_SERVICE_TYPE_ETHERNET:
1375                 break;
1376         case CONNMAN_SERVICE_TYPE_WIFI:
1377         case CONNMAN_SERVICE_TYPE_WIMAX:
1378         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1379         case CONNMAN_SERVICE_TYPE_CELLULAR:
1380                 g_key_file_set_boolean(keyfile, service->identifier,
1381                                         "Favorite", service->favorite);
1382                 break;
1383         }
1384
1385         str = g_time_val_to_iso8601(&service->modified);
1386         if (str != NULL) {
1387                 g_key_file_set_string(keyfile, service->identifier,
1388                                                         "Modified", str);
1389                 g_free(str);
1390         }
1391
1392         if (service->passphrase != NULL)
1393                 g_key_file_set_string(keyfile, service->identifier,
1394                                         "Passphrase", service->passphrase);
1395
1396         data = g_key_file_to_data(keyfile, &length, NULL);
1397
1398         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1399                 connman_error("Failed to store service information");
1400
1401 done:
1402         g_free(data);
1403
1404         g_key_file_free(keyfile);
1405
1406         g_free(pathname);
1407
1408         return 0;
1409 }
1410
1411 static struct connman_storage service_storage = {
1412         .name           = "service",
1413         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1414         .service_load   = service_load,
1415         .service_save   = service_save,
1416 };
1417
1418 int __connman_service_init(void)
1419 {
1420         DBG("");
1421
1422         connection = connman_dbus_get_connection();
1423
1424         if (connman_storage_register(&service_storage) < 0)
1425                 connman_error("Failed to register service storage");
1426
1427         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1428                                                                 NULL, NULL);
1429
1430         service_list = g_sequence_new(service_free);
1431
1432         return 0;
1433 }
1434
1435 void __connman_service_cleanup(void)
1436 {
1437         DBG("");
1438
1439         g_sequence_free(service_list);
1440         service_list = NULL;
1441
1442         g_hash_table_destroy(service_hash);
1443         service_hash = NULL;
1444
1445         connman_storage_unregister(&service_storage);
1446
1447         dbus_connection_unref(connection);
1448 }