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