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 const char *error2string(enum connman_service_error error)
 183 {
 184         switch (error) {
 185         case CONNMAN_SERVICE_ERROR_UNKNOWN:
 186                 break;
 187         case CONNMAN_SERVICE_ERROR_DHCP_FAILED:
 188                 return "dhcp-failed";
 189         }
 190
 191         return NULL;
 192 }
 193
 194 static enum connman_service_error string2error(const char *error)
 195 {
 196         if (g_strcmp0(error, "dhcp-failed") == 0)
 197                 return CONNMAN_SERVICE_ERROR_DHCP_FAILED;
 198
 199         return CONNMAN_SERVICE_ERROR_UNKNOWN;
 200 }
 201
 202 static void state_changed(struct connman_service *service)
 203 {
 204         DBusMessage *signal;
 205         DBusMessageIter entry, value;
 206         const char *str, *key = "State";
 207
 208         if (service->path == NULL)
 209                 return;
 210
 211         str = state2string(service->state);
 212         if (str == NULL)
 213                 return;
 214
 215         signal = dbus_message_new_signal(service->path,
 216                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 217         if (signal == NULL)
 218                 return;
 219
 220         dbus_message_iter_init_append(signal, &entry);
 221
 222         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 223
 224         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 225                                         DBUS_TYPE_STRING_AS_STRING, &value);
 226         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &str);
 227         dbus_message_iter_close_container(&entry, &value);
 228
 229         g_dbus_send_message(connection, signal);
 230 }
 231
 232 static void strength_changed(struct connman_service *service)
 233 {
 234         DBusMessage *signal;
 235         DBusMessageIter entry, value;
 236         const char *key = "Strength";
 237
 238         if (service->path == NULL)
 239                 return;
 240
 241         if (service->strength == 0)
 242                 return;
 243
 244         signal = dbus_message_new_signal(service->path,
 245                                 CONNMAN_SERVICE_INTERFACE, "PropertyChanged");
 246         if (signal == NULL)
 247                 return;
 248
 249         dbus_message_iter_init_append(signal, &entry);
 250
 251         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 252
 253         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 254                                         DBUS_TYPE_BYTE_AS_STRING, &value);
 255         dbus_message_iter_append_basic(&value, DBUS_TYPE_BYTE,
 256                                                         &service->strength);
 257         dbus_message_iter_close_container(&entry, &value);
 258
 259         g_dbus_send_message(connection, signal);
 260 }
 261
 262 static DBusMessage *get_properties(DBusConnection *conn,
 263                                         DBusMessage *msg, void *user_data)
 264 {
 265         struct connman_service *service = user_data;
 266         DBusMessage *reply;
 267         DBusMessageIter array, dict;
 268         const char *str;
 269
 270         DBG("service %p", service);
 271
 272         reply = dbus_message_new_method_return(msg);
 273         if (reply == NULL)
 274                 return NULL;
 275
 276         dbus_message_iter_init_append(reply, &array);
 277
 278         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 279                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 280                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 281                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 282
 283         str = type2string(service->type);
 284         if (str != NULL)
 285                 connman_dbus_dict_append_variant(&dict, "Type",
 286                                                 DBUS_TYPE_STRING, &str);
 287
 288         str = mode2string(service->mode);
 289         if (str != NULL)
 290                 connman_dbus_dict_append_variant(&dict, "Mode",
 291                                                 DBUS_TYPE_STRING, &str);
 292
 293         str = security2string(service->security);
 294         if (str != NULL)
 295                 connman_dbus_dict_append_variant(&dict, "Security",
 296                                                 DBUS_TYPE_STRING, &str);
 297
 298         str = state2string(service->state);
 299         if (str != NULL)
 300                 connman_dbus_dict_append_variant(&dict, "State",
 301                                                 DBUS_TYPE_STRING, &str);
 302
 303         str = error2string(service->error);
 304         if (str != NULL)
 305                 connman_dbus_dict_append_variant(&dict, "Error",
 306                                                 DBUS_TYPE_STRING, &str);
 307
 308         if (service->strength > 0)
 309                 connman_dbus_dict_append_variant(&dict, "Strength",
 310                                         DBUS_TYPE_BYTE, &service->strength);
 311
 312         connman_dbus_dict_append_variant(&dict, "Favorite",
 313                                         DBUS_TYPE_BOOLEAN, &service->favorite);
 314
 315         if (service->name != NULL)
 316                 connman_dbus_dict_append_variant(&dict, "Name",
 317                                         DBUS_TYPE_STRING, &service->name);
 318
 319         if (service->passphrase != NULL &&
 320                         __connman_security_check_privilege(msg,
 321                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 322                 connman_dbus_dict_append_variant(&dict, "Passphrase",
 323                                 DBUS_TYPE_STRING, &service->passphrase);
 324
 325         __connman_ipconfig_append_ipv4(service->ipconfig, &dict, "IPv4.");
 326
 327         dbus_message_iter_close_container(&array, &dict);
 328
 329         return reply;
 330 }
 331
 332 static DBusMessage *set_property(DBusConnection *conn,
 333                                         DBusMessage *msg, void *user_data)
 334 {
 335         struct connman_service *service = user_data;
 336         DBusMessageIter iter, value;
 337         const char *name;
 338         int type;
 339
 340         DBG("service %p", service);
 341
 342         if (dbus_message_iter_init(msg, &iter) == FALSE)
 343                 return __connman_error_invalid_arguments(msg);
 344
 345         dbus_message_iter_get_basic(&iter, &name);
 346         dbus_message_iter_next(&iter);
 347         dbus_message_iter_recurse(&iter, &value);
 348
 349         if (__connman_security_check_privilege(msg,
 350                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 351                 return __connman_error_permission_denied(msg);
 352
 353         type = dbus_message_iter_get_arg_type(&value);
 354
 355         if (g_str_equal(name, "Passphrase") == TRUE) {
 356                 const char *passphrase;
 357
 358                 if (type != DBUS_TYPE_STRING)
 359                         return __connman_error_invalid_arguments(msg);
 360
 361                 if (__connman_security_check_privilege(msg,
 362                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 363                         return __connman_error_permission_denied(msg);
 364
 365                 dbus_message_iter_get_basic(&value, &passphrase);
 366
 367                 g_free(service->passphrase);
 368                 service->passphrase = g_strdup(passphrase);
 369
 370                 if (service->network != NULL)
 371                         connman_network_set_string(service->network,
 372                                 "WiFi.Passphrase", service->passphrase);
 373
 374                 __connman_storage_save_service(service);
 375         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 376                 int err;
 377
 378                 err = __connman_ipconfig_set_ipv4(service->ipconfig,
 379                                                         name + 5, &value);
 380                 if (err < 0)
 381                         return __connman_error_failed(msg, -err);
 382         } else
 383                 return __connman_error_invalid_property(msg);
 384
 385         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 386 }
 387
 388 static gboolean connect_timeout(gpointer user_data)
 389 {
 390         struct connman_service *service = user_data;
 391
 392         DBG("service %p", service);
 393
 394         service->timeout = 0;
 395
 396         if (service->network != NULL)
 397                 __connman_network_disconnect(service->network);
 398
 399         if (service->pending != NULL) {
 400                 DBusMessage *reply;
 401
 402                 reply = __connman_error_operation_timeout(service->pending);
 403                 if (reply != NULL)
 404                         g_dbus_send_message(connection, reply);
 405
 406                 dbus_message_unref(service->pending);
 407                 service->pending = NULL;
 408
 409                 __connman_service_indicate_state(service,
 410                                         CONNMAN_SERVICE_STATE_FAILURE);
 411         }
 412
 413         return FALSE;
 414 }
 415
 416 static DBusMessage *connect_service(DBusConnection *conn,
 417                                         DBusMessage *msg, void *user_data)
 418 {
 419         struct connman_service *service = user_data;
 420
 421         DBG("service %p", service);
 422
 423         if (service->pending != NULL)
 424                 return __connman_error_in_progress(msg);
 425
 426         if (service->state == CONNMAN_SERVICE_STATE_READY)
 427                 return __connman_error_already_connected(msg);
 428
 429         if (service->network != NULL) {
 430                 int err;
 431
 432                 if (service->hidden == TRUE)
 433                         return __connman_error_invalid_service(msg);
 434
 435                 connman_network_set_string(service->network,
 436                                 "WiFi.Passphrase", service->passphrase);
 437
 438                 err = __connman_network_connect(service->network);
 439                 if (err < 0 && err != -EINPROGRESS)
 440                         return __connman_error_failed(msg, -err);
 441
 442                 service->pending = dbus_message_ref(msg);
 443
 444                 service->timeout = g_timeout_add_seconds(45,
 445                                                 connect_timeout, service);
 446
 447                 return NULL;
 448         } else if (service->device != NULL) {
 449                 if (service->favorite == FALSE)
 450                         return __connman_error_no_carrier(msg);
 451
 452                 if (__connman_device_connect(service->device) < 0)
 453                         return __connman_error_failed(msg, EINVAL);
 454
 455                 service->pending = dbus_message_ref(msg);
 456                 service->timeout = g_timeout_add_seconds(15,
 457                                                 connect_timeout, service);
 458
 459                 return NULL;
 460         }
 461
 462         return __connman_error_not_supported(msg);
 463 }
 464
 465 static DBusMessage *disconnect_service(DBusConnection *conn,
 466                                         DBusMessage *msg, void *user_data)
 467 {
 468         struct connman_service *service = user_data;
 469
 470         DBG("service %p", service);
 471
 472         if (service->pending != NULL) {
 473                 DBusMessage *reply;
 474
 475                 reply = __connman_error_operation_aborted(service->pending);
 476                 if (reply != NULL)
 477                         g_dbus_send_message(conn, reply);
 478
 479                 dbus_message_unref(service->pending);
 480                 service->pending = NULL;
 481
 482                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 483         }
 484
 485         if (service->network != NULL) {
 486                 int err;
 487
 488                 err = __connman_network_disconnect(service->network);
 489                 if (err < 0 && err != -EINPROGRESS)
 490                         return __connman_error_failed(msg, -err);
 491
 492                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 493         } else if (service->device != NULL) {
 494                 int err;
 495
 496                 if (service->favorite == FALSE)
 497                         return __connman_error_no_carrier(msg);
 498
 499                 err = __connman_device_disconnect(service->device);
 500                 if (err < 0)
 501                         return __connman_error_failed(msg, -err);
 502
 503                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 504         }
 505
 506         return __connman_error_not_supported(msg);
 507 }
 508
 509 static DBusMessage *remove_service(DBusConnection *conn,
 510                                         DBusMessage *msg, void *user_data)
 511 {
 512         struct connman_service *service = user_data;
 513
 514         DBG("service %p", service);
 515
 516         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
 517                 return __connman_error_not_supported(msg);
 518
 519         if (service->favorite == FALSE)
 520                 return __connman_error_not_supported(msg);
 521
 522         if (service->network != NULL)
 523                 __connman_network_disconnect(service->network);
 524
 525         connman_service_set_favorite(service, FALSE);
 526         __connman_storage_save_service(service);
 527
 528         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 529 }
 530
 531 static DBusMessage *move_before(DBusConnection *conn,
 532                                         DBusMessage *msg, void *user_data)
 533 {
 534         struct connman_service *service = user_data;
 535         struct connman_service *target;
 536         const char *path;
 537         GSequenceIter *src, *dst;
 538
 539         DBG("service %p", service);
 540
 541         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 542                                                         DBUS_TYPE_INVALID);
 543
 544         if (service->favorite == FALSE)
 545                 return __connman_error_not_supported(msg);
 546
 547         target = find_service(path);
 548         if (target == NULL || target->favorite == FALSE || target == service)
 549                 return __connman_error_invalid_service(msg);
 550
 551         DBG("target %s", target->identifier);
 552
 553         g_get_current_time(&service->modified);
 554         __connman_storage_save_service(service);
 555
 556         src = g_hash_table_lookup(service_hash, service->identifier);
 557         dst = g_hash_table_lookup(service_hash, target->identifier);
 558
 559 #if 0
 560         g_sequence_move(src, dst);
 561
 562         __connman_profile_changed();
 563
 564         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 565 #endif
 566         return __connman_error_not_implemented(msg);
 567 }
 568
 569 static DBusMessage *move_after(DBusConnection *conn,
 570                                         DBusMessage *msg, void *user_data)
 571 {
 572         struct connman_service *service = user_data;
 573         struct connman_service *target;
 574         const char *path;
 575
 576         DBG("service %p", service);
 577
 578         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 579                                                         DBUS_TYPE_INVALID);
 580
 581         if (service->favorite == FALSE)
 582                 return __connman_error_not_supported(msg);
 583
 584         target = find_service(path);
 585         if (target == NULL || target->favorite == FALSE || target == service)
 586                 return __connman_error_invalid_service(msg);
 587
 588         DBG("target %s", target->identifier);
 589
 590         g_get_current_time(&service->modified);
 591         __connman_storage_save_service(service);
 592
 593         return __connman_error_not_implemented(msg);
 594 }
 595
 596 static GDBusMethodTable service_methods[] = {
 597         { "GetProperties", "",   "a{sv}", get_properties     },
 598         { "SetProperty",   "sv", "",      set_property       },
 599         { "Connect",       "",   "",      connect_service,
 600                                                 G_DBUS_METHOD_FLAG_ASYNC },
 601         { "Disconnect",    "",   "",      disconnect_service },
 602         { "Remove",        "",   "",      remove_service     },
 603         { "MoveBefore",    "o",  "",      move_before        },
 604         { "MoveAfter",     "o",  "",      move_after         },
 605         { },
 606 };
 607
 608 static GDBusSignalTable service_signals[] = {
 609         { "PropertyChanged", "sv" },
 610         { },
 611 };
 612
 613 static void service_free(gpointer user_data)
 614 {
 615         struct connman_service *service = user_data;
 616         char *path = service->path;
 617
 618         DBG("service %p", service);
 619
 620         g_hash_table_remove(service_hash, service->identifier);
 621
 622         if (service->timeout > 0) {
 623                 g_source_remove(service->timeout);
 624                 service->timeout = 0;
 625         }
 626
 627         if (service->pending != NULL) {
 628                 dbus_message_unref(service->pending);
 629                 service->pending = NULL;
 630         }
 631
 632         service->path = NULL;
 633
 634         if (path != NULL) {
 635                 __connman_profile_changed();
 636
 637                 g_dbus_unregister_interface(connection, path,
 638                                                 CONNMAN_SERVICE_INTERFACE);
 639                 g_free(path);
 640         }
 641
 642         if (service->network != NULL)
 643                 connman_network_unref(service->network);
 644
 645         connman_ipconfig_unref(service->ipconfig);
 646
 647         g_free(service->profile);
 648         g_free(service->name);
 649         g_free(service->passphrase);
 650         g_free(service->identifier);
 651         g_free(service);
 652 }
 653
 654 /**
 655  * __connman_service_put:
 656  * @service: service structure
 657  *
 658  * Release service if no longer needed
 659  */
 660 void __connman_service_put(struct connman_service *service)
 661 {
 662         DBG("service %p", service);
 663
 664         if (g_atomic_int_dec_and_test(&service->refcount) == TRUE) {
 665                 GSequenceIter *iter;
 666
 667                 iter = g_hash_table_lookup(service_hash, service->identifier);
 668                 if (iter != NULL)
 669                         g_sequence_remove(iter);
 670                 else
 671                         service_free(service);
 672         }
 673 }
 674
 675 static void __connman_service_initialize(struct connman_service *service)
 676 {
 677         DBG("service %p", service);
 678
 679         service->refcount = 1;
 680
 681         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
 682         service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
 683         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
 684         service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
 685
 686         service->favorite = FALSE;
 687         service->hidden = FALSE;
 688
 689         service->order = 0;
 690 }
 691
 692 /**
 693  * connman_service_create:
 694  *
 695  * Allocate a new service.
 696  *
 697  * Returns: a newly-allocated #connman_service structure
 698  */
 699 struct connman_service *connman_service_create(void)
 700 {
 701         struct connman_service *service;
 702
 703         service = g_try_new0(struct connman_service, 1);
 704         if (service == NULL)
 705                 return NULL;
 706
 707         DBG("service %p", service);
 708
 709         __connman_service_initialize(service);
 710
 711         service->ipconfig = connman_ipconfig_create();
 712         if (service->ipconfig == NULL) {
 713                 g_free(service);
 714                 return NULL;
 715         }
 716
 717         connman_ipconfig_set_method(service->ipconfig,
 718                                         CONNMAN_IPCONFIG_METHOD_DHCP);
 719
 720         return service;
 721 }
 722
 723 /**
 724  * connman_service_ref:
 725  * @service: service structure
 726  *
 727  * Increase reference counter of service
 728  */
 729 struct connman_service *connman_service_ref(struct connman_service *service)
 730 {
 731         g_atomic_int_inc(&service->refcount);
 732
 733         return service;
 734 }
 735
 736 /**
 737  * connman_service_unref:
 738  * @service: service structure
 739  *
 740  * Decrease reference counter of service
 741  */
 742 void connman_service_unref(struct connman_service *service)
 743 {
 744         __connman_service_put(service);
 745 }
 746
 747 static gint service_compare(gconstpointer a, gconstpointer b,
 748                                                         gpointer user_data)
 749 {
 750         struct connman_service *service_a = (void *) a;
 751         struct connman_service *service_b = (void *) b;
 752
 753         if (service_a->state != service_b->state) {
 754                 if (service_a->state == CONNMAN_SERVICE_STATE_READY)
 755                         return -1;
 756                 if (service_b->state == CONNMAN_SERVICE_STATE_READY)
 757                         return 1;
 758         }
 759
 760         if (service_a->order > service_b->order)
 761                 return -1;
 762
 763         if (service_a->order < service_b->order)
 764                 return 1;
 765
 766         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
 767                 return -1;
 768
 769         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
 770                 return 1;
 771
 772         return (gint) service_b->strength - (gint) service_a->strength;
 773 }
 774
 775 /**
 776  * connman_service_set_favorite:
 777  * @service: service structure
 778  * @favorite: favorite value
 779  *
 780  * Change the favorite setting of service
 781  */
 782 int connman_service_set_favorite(struct connman_service *service,
 783                                                 connman_bool_t favorite)
 784 {
 785         GSequenceIter *iter;
 786
 787         iter = g_hash_table_lookup(service_hash, service->identifier);
 788         if (iter == NULL)
 789                 return -ENOENT;
 790
 791         if (service->favorite == favorite)
 792                 return -EALREADY;
 793
 794         service->favorite = favorite;
 795
 796         g_sequence_sort_changed(iter, service_compare, NULL);
 797
 798         __connman_profile_changed();
 799
 800         return 0;
 801 }
 802
 803 int __connman_service_set_carrier(struct connman_service *service,
 804                                                 connman_bool_t carrier)
 805 {
 806         DBG("service %p carrier %d", service, carrier);
 807
 808         if (service == NULL)
 809                 return -EINVAL;
 810
 811         switch (service->type) {
 812         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 813         case CONNMAN_SERVICE_TYPE_WIFI:
 814         case CONNMAN_SERVICE_TYPE_WIMAX:
 815         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 816         case CONNMAN_SERVICE_TYPE_CELLULAR:
 817                 return -EINVAL;
 818         case CONNMAN_SERVICE_TYPE_ETHERNET:
 819                 break;
 820         }
 821
 822         if (carrier == FALSE) {
 823                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 824                 state_changed(service);
 825
 826                 service->state = CONNMAN_SERVICE_STATE_IDLE;
 827                 state_changed(service);
 828         } else {
 829                 service->state = CONNMAN_SERVICE_STATE_CARRIER;
 830                 state_changed(service);
 831         }
 832
 833         return connman_service_set_favorite(service, carrier);
 834 }
 835
 836 int __connman_service_indicate_state(struct connman_service *service,
 837                                         enum connman_service_state state)
 838 {
 839         GSequenceIter *iter;
 840
 841         DBG("service %p state %d", service, state);
 842
 843         if (service == NULL)
 844                 return -EINVAL;
 845
 846         if (state == CONNMAN_SERVICE_STATE_CARRIER)
 847                 return __connman_service_set_carrier(service, TRUE);
 848
 849         if (service->state == state)
 850                 return -EALREADY;
 851
 852         if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
 853                                 state == CONNMAN_SERVICE_STATE_DISCONNECT)
 854                 return -EINVAL;
 855
 856         if (state == CONNMAN_SERVICE_STATE_IDLE &&
 857                         service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
 858                 service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
 859                 state_changed(service);
 860         }
 861
 862         service->state = state;
 863         state_changed(service);
 864
 865         if (state == CONNMAN_SERVICE_STATE_READY) {
 866                 connman_service_set_favorite(service, TRUE);
 867                 __connman_storage_save_service(service);
 868
 869                 if (service->timeout > 0) {
 870                         g_source_remove(service->timeout);
 871                         service->timeout = 0;
 872                 }
 873
 874                 if (service->pending != NULL) {
 875                         g_dbus_send_reply(connection, service->pending,
 876                                                         DBUS_TYPE_INVALID);
 877
 878                         dbus_message_unref(service->pending);
 879                         service->pending = NULL;
 880                 }
 881
 882                 g_get_current_time(&service->modified);
 883                 __connman_storage_save_service(service);
 884         }
 885
 886         if (state == CONNMAN_SERVICE_STATE_FAILURE) {
 887                 if (service->timeout > 0) {
 888                         g_source_remove(service->timeout);
 889                         service->timeout = 0;
 890                 }
 891
 892                 if (service->pending != NULL) {
 893                         DBusMessage *reply;
 894
 895                         reply = __connman_error_failed(service->pending, EIO);
 896                         if (reply != NULL)
 897                                 g_dbus_send_message(connection, reply);
 898
 899                         dbus_message_unref(service->pending);
 900                         service->pending = NULL;
 901                 }
 902
 903                 g_get_current_time(&service->modified);
 904                 __connman_storage_save_service(service);
 905         } else
 906                 service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
 907
 908         iter = g_hash_table_lookup(service_hash, service->identifier);
 909         if (iter != NULL)
 910                 g_sequence_sort_changed(iter, service_compare, NULL);
 911
 912         __connman_profile_changed();
 913
 914         return 0;
 915 }
 916
 917 int __connman_service_indicate_error(struct connman_service *service,
 918                                         enum connman_service_error error)
 919 {
 920         DBG("service %p error %d", service, error);
 921
 922         if (service == NULL)
 923                 return -EINVAL;
 924
 925         service->error = error;
 926
 927         return __connman_service_indicate_state(service,
 928                                         CONNMAN_SERVICE_STATE_FAILURE);
 929 }
 930
 931 int __connman_service_indicate_default(struct connman_service *service)
 932 {
 933         DBG("service %p", service);
 934
 935         return 0;
 936 }
 937
 938 /**
 939  * __connman_service_lookup:
 940  * @identifier: service identifier
 941  *
 942  * Look up a service by identifier (reference count will not be increased)
 943  */
 944 static struct connman_service *__connman_service_lookup(const char *identifier)
 945 {
 946         GSequenceIter *iter;
 947
 948         iter = g_hash_table_lookup(service_hash, identifier);
 949         if (iter != NULL)
 950                 return g_sequence_get(iter);
 951
 952         return NULL;
 953 }
 954
 955 /**
 956  * __connman_service_get:
 957  * @identifier: service identifier
 958  *
 959  * Look up a service by identifier or create a new one if not found
 960  */
 961 static struct connman_service *__connman_service_get(const char *identifier)
 962 {
 963         struct connman_service *service;
 964         GSequenceIter *iter;
 965
 966         iter = g_hash_table_lookup(service_hash, identifier);
 967         if (iter != NULL) {
 968                 service = g_sequence_get(iter);
 969                 if (service != NULL)
 970                         g_atomic_int_inc(&service->refcount);
 971                 return service;
 972         }
 973
 974         service = connman_service_create();
 975         if (service == NULL)
 976                 return NULL;
 977
 978         DBG("service %p", service);
 979
 980         service->identifier = g_strdup(identifier);
 981
 982         service->profile = g_strdup(__connman_profile_active_ident());
 983
 984         __connman_storage_load_service(service);
 985
 986         iter = g_sequence_insert_sorted(service_list, service,
 987                                                 service_compare, NULL);
 988
 989         g_hash_table_insert(service_hash, service->identifier, iter);
 990
 991         return service;
 992 }
 993
 994 static int service_register(struct connman_service *service)
 995 {
 996         const char *path = __connman_profile_active_path();
 997         GSequenceIter *iter;
 998
 999         DBG("service %p", service);
1000
1001         if (service->path != NULL)
1002                 return -EALREADY;
1003
1004         service->path = g_strdup_printf("%s/%s", path, service->identifier);
1005
1006         DBG("path %s", service->path);
1007
1008         g_dbus_register_interface(connection, service->path,
1009                                         CONNMAN_SERVICE_INTERFACE,
1010                                         service_methods, service_signals,
1011                                                         NULL, service, NULL);
1012
1013         __connman_storage_load_service(service);
1014
1015         iter = g_hash_table_lookup(service_hash, service->identifier);
1016         if (iter != NULL)
1017                 g_sequence_sort_changed(iter, service_compare, NULL);
1018
1019         __connman_profile_changed();
1020
1021         return 0;
1022 }
1023
1024 /**
1025  * connman_service_lookup_from_device:
1026  * @device: device structure
1027  *
1028  * Look up a service by device (reference count will not be increased)
1029  */
1030 struct connman_service *__connman_service_lookup_from_device(struct connman_device *device)
1031 {
1032         struct connman_service *service;
1033         const char *ident;
1034         char *name;
1035
1036         ident = __connman_device_get_ident(device);
1037         if (ident == NULL)
1038                 return NULL;
1039
1040         name = g_strdup_printf("%s_%s",
1041                                 __connman_device_get_type(device), ident);
1042
1043         service = __connman_service_lookup(name);
1044
1045         g_free(name);
1046
1047         return service;
1048 }
1049
1050 static enum connman_service_type convert_device_type(struct connman_device *device)
1051 {
1052         enum connman_device_type type = connman_device_get_type(device);
1053
1054         switch (type) {
1055         case CONNMAN_DEVICE_TYPE_UNKNOWN:
1056         case CONNMAN_DEVICE_TYPE_VENDOR:
1057         case CONNMAN_DEVICE_TYPE_WIFI:
1058         case CONNMAN_DEVICE_TYPE_WIMAX:
1059         case CONNMAN_DEVICE_TYPE_BLUETOOTH:
1060         case CONNMAN_DEVICE_TYPE_GPS:
1061         case CONNMAN_DEVICE_TYPE_HSO:
1062         case CONNMAN_DEVICE_TYPE_NOZOMI:
1063         case CONNMAN_DEVICE_TYPE_HUAWEI:
1064         case CONNMAN_DEVICE_TYPE_NOVATEL:
1065                 break;
1066         case CONNMAN_DEVICE_TYPE_ETHERNET:
1067                 return CONNMAN_SERVICE_TYPE_ETHERNET;
1068         }
1069
1070         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1071 }
1072
1073 /**
1074  * connman_service_create_from_device:
1075  * @device: device structure
1076  *
1077  * Look up service by device and if not found, create one
1078  */
1079 struct connman_service *__connman_service_create_from_device(struct connman_device *device)
1080 {
1081         struct connman_service *service;
1082         const char *ident;
1083         char *name;
1084
1085         ident = __connman_device_get_ident(device);
1086         if (ident == NULL)
1087                 return NULL;
1088
1089         name = g_strdup_printf("%s_%s",
1090                                 __connman_device_get_type(device), ident);
1091
1092         service = __connman_service_get(name);
1093         if (service == NULL)
1094                 goto done;
1095
1096         if (service->path != NULL) {
1097                 __connman_service_put(service);
1098                 service = NULL;
1099                 goto done;
1100         }
1101
1102         service->type = convert_device_type(device);
1103
1104         service->device = device;
1105
1106         service_register(service);
1107
1108 done:
1109         g_free(name);
1110
1111         return service;
1112 }
1113
1114 /**
1115  * connman_service_lookup_from_network:
1116  * @network: network structure
1117  *
1118  * Look up a service by network (reference count will not be increased)
1119  */
1120 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
1121 {
1122         struct connman_service *service;
1123         const char *ident, *group;
1124         char *name;
1125
1126         ident = __connman_network_get_ident(network);
1127         if (ident == NULL)
1128                 return NULL;
1129
1130         group = __connman_network_get_group(network);
1131         if (group == NULL)
1132                 return NULL;
1133
1134         name = g_strdup_printf("%s_%s_%s",
1135                         __connman_network_get_type(network), ident, group);
1136
1137         service = __connman_service_lookup(name);
1138
1139         g_free(name);
1140
1141         return service;
1142 }
1143
1144 unsigned int __connman_service_get_order(struct connman_service *service)
1145 {
1146         return service->order;
1147 }
1148
1149 static enum connman_service_type convert_network_type(struct connman_network *network)
1150 {
1151         enum connman_network_type type = connman_network_get_type(network);
1152
1153         switch (type) {
1154         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1155         case CONNMAN_NETWORK_TYPE_VENDOR:
1156         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1157         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1158         case CONNMAN_NETWORK_TYPE_HSO:
1159                 break;
1160         case CONNMAN_NETWORK_TYPE_WIFI:
1161                 return CONNMAN_SERVICE_TYPE_WIFI;
1162         case CONNMAN_NETWORK_TYPE_WIMAX:
1163                 return CONNMAN_SERVICE_TYPE_WIMAX;
1164         }
1165
1166         return CONNMAN_SERVICE_TYPE_UNKNOWN;
1167 }
1168
1169 static enum connman_service_mode convert_wifi_mode(const char *mode)
1170 {
1171         if (mode == NULL)
1172                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1173         else if (g_str_equal(mode, "managed") == TRUE)
1174                 return CONNMAN_SERVICE_MODE_MANAGED;
1175         else if (g_str_equal(mode, "adhoc") == TRUE)
1176                 return CONNMAN_SERVICE_MODE_ADHOC;
1177         else
1178                 return CONNMAN_SERVICE_MODE_UNKNOWN;
1179 }
1180
1181 static enum connman_service_mode convert_wifi_security(const char *security)
1182 {
1183         if (security == NULL)
1184                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1185         else if (g_str_equal(security, "none") == TRUE)
1186                 return CONNMAN_SERVICE_SECURITY_NONE;
1187         else if (g_str_equal(security, "wep") == TRUE)
1188                 return CONNMAN_SERVICE_SECURITY_WEP;
1189         else if (g_str_equal(security, "wpa") == TRUE)
1190                 return CONNMAN_SERVICE_SECURITY_WPA;
1191         else if (g_str_equal(security, "rsn") == TRUE)
1192                 return CONNMAN_SERVICE_SECURITY_RSN;
1193         else
1194                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
1195 }
1196
1197 static void update_from_network(struct connman_service *service,
1198                                         struct connman_network *network)
1199 {
1200         connman_uint8_t strength = service->strength;
1201         GSequenceIter *iter;
1202         const char *str;
1203
1204         str = connman_network_get_string(network, "Name");
1205         if (str != NULL) {
1206                 g_free(service->name);
1207                 service->name = g_strdup(str);
1208                 service->hidden = FALSE;
1209         } else {
1210                 g_free(service->name);
1211                 service->name = NULL;
1212                 service->hidden = TRUE;
1213         }
1214
1215         service->strength = connman_network_get_uint8(network, "Strength");
1216
1217         str = connman_network_get_string(network, "WiFi.Mode");
1218         service->mode = convert_wifi_mode(str);
1219
1220         str = connman_network_get_string(network, "WiFi.Security");
1221         service->security = convert_wifi_security(str);
1222
1223         if (service->strength > strength && service->network != NULL) {
1224                 connman_network_unref(service->network);
1225                 service->network = NULL;
1226
1227                 strength_changed(service);
1228         }
1229
1230         if (service->network == NULL) {
1231                 service->network = connman_network_ref(network);
1232
1233                 str = connman_network_get_string(network, "WiFi.Passphrase");
1234                 if (str != NULL) {
1235                         g_free(service->passphrase);
1236                         service->passphrase = g_strdup(str);
1237                 }
1238         }
1239
1240         iter = g_hash_table_lookup(service_hash, service->identifier);
1241         if (iter != NULL)
1242                 g_sequence_sort_changed(iter, service_compare, NULL);
1243 }
1244
1245 /**
1246  * connman_service_create_from_network:
1247  * @network: network structure
1248  *
1249  * Look up service by network and if not found, create one
1250  */
1251 struct connman_service *__connman_service_create_from_network(struct connman_network *network)
1252 {
1253         struct connman_service *service;
1254         const char *ident, *group;
1255         char *name;
1256
1257         if (__connman_service_lookup_from_network(network) != NULL) {
1258                 connman_error("Service already exists");
1259                 return NULL;
1260         }
1261
1262         ident = __connman_network_get_ident(network);
1263         if (ident == NULL)
1264                 return NULL;
1265
1266         group = __connman_network_get_group(network);
1267         if (group == NULL)
1268                 return NULL;
1269
1270         name = g_strdup_printf("%s_%s_%s",
1271                         __connman_network_get_type(network), ident, group);
1272
1273         service = __connman_service_get(name);
1274         if (service == NULL)
1275                 goto done;
1276
1277         if (service->path != NULL) {
1278                 update_from_network(service, network);
1279
1280                 __connman_profile_changed();
1281
1282                 __connman_service_put(service);
1283                 service = NULL;
1284                 goto done;
1285         }
1286
1287         service->type = convert_network_type(network);
1288
1289         service->state = CONNMAN_SERVICE_STATE_IDLE;
1290
1291         update_from_network(service, network);
1292
1293         service_register(service);
1294
1295 done:
1296         g_free(name);
1297
1298         return service;
1299 }
1300
1301 static int service_load(struct connman_service *service)
1302 {
1303         GKeyFile *keyfile;
1304         gchar *pathname, *data = NULL;
1305         gsize length;
1306         gchar *str;
1307
1308         DBG("service %p", service);
1309
1310         if (service->profile == NULL)
1311                 return -EINVAL;
1312
1313         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1314         if (pathname == NULL)
1315                 return -ENOMEM;
1316
1317         keyfile = g_key_file_new();
1318
1319         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1320                 g_free(pathname);
1321                 return -ENOENT;
1322         }
1323
1324         g_free(pathname);
1325
1326         if (g_key_file_load_from_data(keyfile, data, length,
1327                                                         0, NULL) == FALSE) {
1328                 g_free(data);
1329                 return -EILSEQ;
1330         }
1331
1332         g_free(data);
1333
1334         switch (service->type) {
1335         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1336         case CONNMAN_SERVICE_TYPE_ETHERNET:
1337                 break;
1338         case CONNMAN_SERVICE_TYPE_WIFI:
1339         case CONNMAN_SERVICE_TYPE_WIMAX:
1340         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1341         case CONNMAN_SERVICE_TYPE_CELLULAR:
1342                 service->favorite = g_key_file_get_boolean(keyfile,
1343                                 service->identifier, "Favorite", NULL);
1344
1345                 str = g_key_file_get_string(keyfile,
1346                                 service->identifier, "Failure", NULL);
1347                 if (str != NULL) {
1348                         service->state = CONNMAN_SERVICE_STATE_FAILURE;
1349                         service->error = string2error(str);
1350                 }
1351                 break;
1352         }
1353
1354         str = g_key_file_get_string(keyfile,
1355                                 service->identifier, "Modified", NULL);
1356         if (str != NULL) {
1357                 g_time_val_from_iso8601(str, &service->modified);
1358                 g_free(str);
1359         }
1360
1361         str = g_key_file_get_string(keyfile,
1362                                 service->identifier, "Passphrase", NULL);
1363         if (str != NULL) {
1364                 g_free(service->passphrase);
1365                 service->passphrase = str;
1366         }
1367
1368         __connman_ipconfig_load(service->ipconfig, keyfile,
1369                                         service->identifier, "IPv4.");
1370
1371         g_key_file_free(keyfile);
1372
1373         return 0;
1374 }
1375
1376 static int service_save(struct connman_service *service)
1377 {
1378         GKeyFile *keyfile;
1379         gchar *pathname, *data = NULL;
1380         gsize length;
1381         gchar *str;
1382
1383         DBG("service %p", service);
1384
1385         if (service->profile == NULL)
1386                 return -EINVAL;
1387
1388         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, service->profile);
1389         if (pathname == NULL)
1390                 return -ENOMEM;
1391
1392         keyfile = g_key_file_new();
1393
1394         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1395                 goto update;
1396
1397         if (length > 0) {
1398                 if (g_key_file_load_from_data(keyfile, data, length,
1399                                                         0, NULL) == FALSE)
1400                         goto done;
1401         }
1402
1403         g_free(data);
1404
1405 update:
1406         if (service->name != NULL)
1407                 g_key_file_set_string(keyfile, service->identifier,
1408                                                 "Name", service->name);
1409
1410         switch (service->type) {
1411         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1412         case CONNMAN_SERVICE_TYPE_ETHERNET:
1413                 break;
1414         case CONNMAN_SERVICE_TYPE_WIFI:
1415         case CONNMAN_SERVICE_TYPE_WIMAX:
1416         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1417         case CONNMAN_SERVICE_TYPE_CELLULAR:
1418                 g_key_file_set_boolean(keyfile, service->identifier,
1419                                         "Favorite", service->favorite);
1420
1421                 if (service->state == CONNMAN_SERVICE_STATE_FAILURE) {
1422                         const char *failure = error2string(service->error);
1423                         if (failure != NULL)
1424                                 g_key_file_set_string(keyfile,
1425                                                         service->identifier,
1426                                                         "Failure", failure);
1427                 } else {
1428                         g_key_file_remove_key(keyfile, service->identifier,
1429                                                         "Failure", NULL);
1430                 }
1431                 break;
1432         }
1433
1434         str = g_time_val_to_iso8601(&service->modified);
1435         if (str != NULL) {
1436                 g_key_file_set_string(keyfile, service->identifier,
1437                                                         "Modified", str);
1438                 g_free(str);
1439         }
1440
1441         if (service->passphrase != NULL)
1442                 g_key_file_set_string(keyfile, service->identifier,
1443                                         "Passphrase", service->passphrase);
1444
1445         __connman_ipconfig_save(service->ipconfig, keyfile,
1446                                         service->identifier, "IPv4.");
1447
1448         data = g_key_file_to_data(keyfile, &length, NULL);
1449
1450         if (g_file_set_contents(pathname, data, length, NULL) == FALSE)
1451                 connman_error("Failed to store service information");
1452
1453 done:
1454         g_free(data);
1455
1456         g_key_file_free(keyfile);
1457
1458         g_free(pathname);
1459
1460         return 0;
1461 }
1462
1463 static struct connman_storage service_storage = {
1464         .name           = "service",
1465         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1466         .service_load   = service_load,
1467         .service_save   = service_save,
1468 };
1469
1470 int __connman_service_init(void)
1471 {
1472         DBG("");
1473
1474         connection = connman_dbus_get_connection();
1475
1476         if (connman_storage_register(&service_storage) < 0)
1477                 connman_error("Failed to register service storage");
1478
1479         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1480                                                                 NULL, NULL);
1481
1482         service_list = g_sequence_new(service_free);
1483
1484         return 0;
1485 }
1486
1487 void __connman_service_cleanup(void)
1488 {
1489         DBG("");
1490
1491         g_sequence_free(service_list);
1492         service_list = NULL;
1493
1494         g_hash_table_destroy(service_hash);
1495         service_hash = NULL;
1496
1497         connman_storage_unregister(&service_storage);
1498
1499         dbus_connection_unref(connection);
1500 }