src/manager.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  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 <errno.h>
  27
  28 #include <gdbus.h>
  29
  30 #include <connman/agent.h>
  31
  32 #include "connman.h"
  33
  34 static bool connman_state_idle;
  35 static dbus_bool_t sessionmode;
  36
  37 #if defined TIZEN_EXT
  38 static void append_wifi_vsies_structs(DBusMessageIter *iter, void *user_data)
  39 {
  40         __connman_wifi_vsie_list_struct(iter);
  41 }
  42
  43 static DBusMessage *get_wifi_vsies(DBusConnection *conn,
  44                                         DBusMessage *msg, void *data)
  45 {
  46         DBusMessage *reply;
  47
  48         DBG("ConnMan, get_wifi_vsies API called");
  49
  50         reply = dbus_message_new_method_return(msg);
  51         if (!reply)
  52                 return NULL;
  53
  54         __connman_dbus_append_objpath_dict_array(reply,
  55                         append_wifi_vsies_structs, NULL);
  56
  57         return reply;
  58 }
  59 #endif
  60
  61 static DBusMessage *get_properties(DBusConnection *conn,
  62                                         DBusMessage *msg, void *data)
  63 {
  64         DBusMessage *reply;
  65         DBusMessageIter array, dict;
  66         dbus_bool_t offlinemode;
  67         const char *str;
  68 #if defined TIZEN_EXT
  69         dbus_bool_t autoconnectmode;
  70 #endif
  71
  72         DBG("conn %p", conn);
  73
  74         reply = dbus_message_new_method_return(msg);
  75         if (!reply)
  76                 return NULL;
  77
  78         dbus_message_iter_init_append(reply, &array);
  79
  80         connman_dbus_dict_open(&array, &dict);
  81
  82         str = __connman_notifier_get_state();
  83         connman_dbus_dict_append_basic(&dict, "State",
  84                                                 DBUS_TYPE_STRING, &str);
  85
  86         offlinemode = __connman_technology_get_offlinemode();
  87         connman_dbus_dict_append_basic(&dict, "OfflineMode",
  88                                         DBUS_TYPE_BOOLEAN, &offlinemode);
  89
  90         connman_dbus_dict_append_basic(&dict, "SessionMode",
  91                                         DBUS_TYPE_BOOLEAN,
  92                                         &sessionmode);
  93 #if defined TIZEN_EXT
  94         autoconnectmode = __connman_service_get_auto_connect_mode();
  95         connman_dbus_dict_append_basic(&dict, "AutoConnectMode",
  96                                         DBUS_TYPE_BOOLEAN,
  97                                         &autoconnectmode);
  98 #endif
  99
 100         connman_dbus_dict_close(&array, &dict);
 101
 102         return reply;
 103 }
 104
 105 static DBusMessage *set_property(DBusConnection *conn,
 106                                         DBusMessage *msg, void *data)
 107 {
 108         DBusMessageIter iter, value;
 109         const char *name;
 110         int type;
 111
 112         DBG("conn %p", conn);
 113
 114         if (!dbus_message_iter_init(msg, &iter))
 115                 return __connman_error_invalid_arguments(msg);
 116
 117         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
 118                 return __connman_error_invalid_arguments(msg);
 119
 120         dbus_message_iter_get_basic(&iter, &name);
 121         dbus_message_iter_next(&iter);
 122
 123         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
 124                 return __connman_error_invalid_arguments(msg);
 125
 126         dbus_message_iter_recurse(&iter, &value);
 127
 128         type = dbus_message_iter_get_arg_type(&value);
 129
 130         if (g_str_equal(name, "OfflineMode")) {
 131                 dbus_bool_t offlinemode;
 132
 133                 if (type != DBUS_TYPE_BOOLEAN)
 134                         return __connman_error_invalid_arguments(msg);
 135
 136                 dbus_message_iter_get_basic(&value, &offlinemode);
 137
 138                 if (offlinemode) {
 139                         uid_t uid;
 140                         if (connman_dbus_get_connection_unix_user_sync(conn,
 141                                                 dbus_message_get_sender(msg),
 142                                                 &uid) < 0) {
 143                                 DBG("Can not get unix user id!");
 144                                 return __connman_error_permission_denied(msg);
 145                         }
 146
 147                         if (!__connman_service_is_user_allowed(CONNMAN_SERVICE_TYPE_WIFI, uid)) {
 148                                 DBG("Not allow this user to turn on offlinemode now!");
 149                                 return __connman_error_permission_denied(msg);
 150                         }
 151                 }
 152                 __connman_technology_set_offlinemode(offlinemode);
 153         } else if (g_str_equal(name, "SessionMode")) {
 154
 155                 if (type != DBUS_TYPE_BOOLEAN)
 156                         return __connman_error_invalid_arguments(msg);
 157
 158                 dbus_message_iter_get_basic(&value, &sessionmode);
 159         }
 160 #if defined TIZEN_EXT
 161         else if (g_str_equal(name, "AutoConnectMode") == TRUE) {
 162                 bool automode;
 163
 164                 if (type != DBUS_TYPE_BOOLEAN)
 165                         return __connman_error_invalid_arguments(msg);
 166
 167                 dbus_message_iter_get_basic(&value, &automode);
 168
 169                 __connman_service_set_auto_connect_mode(automode);
 170         }
 171 #endif
 172         else
 173                 return __connman_error_invalid_property(msg);
 174
 175         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 176 }
 177
 178 static void append_technology_structs(DBusMessageIter *iter, void *user_data)
 179 {
 180         __connman_technology_list_struct(iter);
 181 }
 182
 183 static DBusMessage *get_technologies(DBusConnection *conn,
 184                 DBusMessage *msg, void *data)
 185 {
 186         DBusMessage *reply;
 187
 188 #if !defined TIZEN_EXT
 189         DBG("");
 190 #endif
 191
 192         reply = dbus_message_new_method_return(msg);
 193         if (!reply)
 194                 return NULL;
 195
 196         __connman_dbus_append_objpath_dict_array(reply,
 197                         append_technology_structs, NULL);
 198
 199         return reply;
 200 }
 201
 202 static DBusMessage *remove_provider(DBusConnection *conn,
 203                                     DBusMessage *msg, void *data)
 204 {
 205         const char *path;
 206         int err;
 207
 208         DBG("conn %p", conn);
 209
 210         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 211                                                         DBUS_TYPE_INVALID);
 212
 213         err = __connman_provider_remove_by_path(path);
 214         if (err < 0)
 215                 return __connman_error_failed(msg, -err);
 216
 217         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 218 }
 219
 220 static DBusConnection *connection = NULL;
 221
 222 static void idle_state(bool idle)
 223 {
 224
 225         DBG("idle %d", idle);
 226
 227         connman_state_idle = idle;
 228
 229         if (!connman_state_idle)
 230                 return;
 231 }
 232
 233 static struct connman_notifier technology_notifier = {
 234         .name           = "manager",
 235         .priority       = CONNMAN_NOTIFIER_PRIORITY_HIGH,
 236         .idle_state     = idle_state,
 237 };
 238
 239 static void append_service_structs(DBusMessageIter *iter, void *user_data)
 240 {
 241         __connman_service_list_struct(iter);
 242 }
 243
 244 static DBusMessage *get_services(DBusConnection *conn,
 245                                         DBusMessage *msg, void *data)
 246 {
 247         DBusMessage *reply;
 248
 249         reply = dbus_message_new_method_return(msg);
 250         if (!reply)
 251                 return NULL;
 252
 253         __connman_dbus_append_objpath_dict_array(reply,
 254                         append_service_structs, NULL);
 255
 256         return reply;
 257 }
 258
 259 static void append_peer_structs(DBusMessageIter *iter, void *user_data)
 260 {
 261         __connman_peer_list_struct(iter);
 262 }
 263
 264 static DBusMessage *get_peers(DBusConnection *conn,
 265                                         DBusMessage *msg, void *data)
 266 {
 267         DBusMessage *reply;
 268
 269         reply = dbus_message_new_method_return(msg);
 270         if (!reply)
 271                 return NULL;
 272
 273         __connman_dbus_append_objpath_dict_array(reply,
 274                                         append_peer_structs, NULL);
 275         return reply;
 276 }
 277
 278 static DBusMessage *connect_provider(DBusConnection *conn,
 279                                         DBusMessage *msg, void *data)
 280 {
 281         int err;
 282
 283         DBG("conn %p", conn);
 284
 285         err = __connman_provider_create_and_connect(msg);
 286         if (err < 0)
 287                 return __connman_error_failed(msg, -err);
 288
 289         return NULL;
 290 }
 291
 292 static DBusMessage *register_agent(DBusConnection *conn,
 293                                         DBusMessage *msg, void *data)
 294 {
 295         const char *sender, *path;
 296         int err;
 297
 298         DBG("conn %p", conn);
 299
 300         sender = dbus_message_get_sender(msg);
 301
 302         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 303                                                         DBUS_TYPE_INVALID);
 304
 305         err = connman_agent_register(sender, path);
 306         if (err < 0)
 307                 return __connman_error_failed(msg, -err);
 308
 309         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 310 }
 311
 312 static DBusMessage *unregister_agent(DBusConnection *conn,
 313                                         DBusMessage *msg, void *data)
 314 {
 315         const char *sender, *path;
 316         int err;
 317
 318         DBG("conn %p", conn);
 319
 320         sender = dbus_message_get_sender(msg);
 321
 322         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 323                                                         DBUS_TYPE_INVALID);
 324
 325         err = connman_agent_unregister(sender, path);
 326         if (err < 0)
 327                 return __connman_error_failed(msg, -err);
 328
 329         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 330 }
 331
 332 static DBusMessage *register_counter(DBusConnection *conn,
 333                                         DBusMessage *msg, void *data)
 334 {
 335         const char *sender, *path;
 336         unsigned int accuracy, period;
 337         int err;
 338
 339         DBG("conn %p", conn);
 340
 341         sender = dbus_message_get_sender(msg);
 342
 343         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 344                                                 DBUS_TYPE_UINT32, &accuracy,
 345                                                 DBUS_TYPE_UINT32, &period,
 346                                                         DBUS_TYPE_INVALID);
 347
 348         /* FIXME: add handling of accuracy parameter */
 349
 350         err = __connman_counter_register(sender, path, period);
 351         if (err < 0)
 352                 return __connman_error_failed(msg, -err);
 353
 354         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 355 }
 356
 357 static DBusMessage *unregister_counter(DBusConnection *conn,
 358                                         DBusMessage *msg, void *data)
 359 {
 360         const char *sender, *path;
 361         int err;
 362
 363         DBG("conn %p", conn);
 364
 365         sender = dbus_message_get_sender(msg);
 366
 367         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 368                                                         DBUS_TYPE_INVALID);
 369
 370         err = __connman_counter_unregister(sender, path);
 371         if (err < 0)
 372                 return __connman_error_failed(msg, -err);
 373
 374         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 375 }
 376
 377 static DBusMessage *create_session(DBusConnection *conn,
 378                                         DBusMessage *msg, void *data)
 379 {
 380         int err;
 381
 382         DBG("conn %p", conn);
 383
 384         err = __connman_session_create(msg);
 385         if (err < 0) {
 386                 if (err == -EINPROGRESS)
 387                         return NULL;
 388
 389                 return __connman_error_failed(msg, -err);
 390         }
 391
 392         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 393 }
 394
 395 static DBusMessage *destroy_session(DBusConnection *conn,
 396                                         DBusMessage *msg, void *data)
 397 {
 398         int err;
 399
 400         DBG("conn %p", conn);
 401
 402         err = __connman_session_destroy(msg);
 403         if (err < 0)
 404                 return __connman_error_failed(msg, -err);
 405
 406         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 407 }
 408
 409 static DBusMessage *request_private_network(DBusConnection *conn,
 410                                         DBusMessage *msg, void *data)
 411 {
 412         const char *sender;
 413         int  err;
 414
 415         DBG("conn %p", conn);
 416
 417         sender = dbus_message_get_sender(msg);
 418
 419         err = __connman_private_network_request(msg, sender);
 420         if (err < 0)
 421                 return __connman_error_failed(msg, -err);
 422
 423         return NULL;
 424 }
 425
 426 static DBusMessage *release_private_network(DBusConnection *conn,
 427                                         DBusMessage *msg, void *data)
 428 {
 429         const char *path;
 430         int err;
 431
 432         DBG("conn %p", conn);
 433
 434         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 435                                                         DBUS_TYPE_INVALID);
 436
 437         err = __connman_private_network_release(path);
 438         if (err < 0)
 439                 return __connman_error_failed(msg, -err);
 440
 441         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 442 }
 443
 444 static int parse_peers_service_specs(DBusMessageIter *array,
 445                         const unsigned char **spec, int *spec_len,
 446                         const unsigned char **query, int *query_len,
 447                         int *version)
 448 {
 449         *spec = *query = NULL;
 450         *spec_len = *query_len = *version = 0;
 451
 452         while (dbus_message_iter_get_arg_type(array) ==
 453                                                         DBUS_TYPE_DICT_ENTRY) {
 454                 DBusMessageIter entry, inter, value;
 455                 const char *key;
 456
 457                 dbus_message_iter_recurse(array, &entry);
 458                 dbus_message_iter_get_basic(&entry, &key);
 459
 460                 dbus_message_iter_next(&entry);
 461
 462                 dbus_message_iter_recurse(&entry, &inter);
 463
 464                 if  (!g_strcmp0(key, "BonjourResponse")) {
 465                         dbus_message_iter_recurse(&inter, &value);
 466                         dbus_message_iter_get_fixed_array(&value,
 467                                                         spec, spec_len);
 468                 } else if (!g_strcmp0(key, "BonjourQuery")) {
 469                         dbus_message_iter_recurse(&inter, &value);
 470                         dbus_message_iter_get_fixed_array(&value,
 471                                                         query, query_len);
 472                 } else if (!g_strcmp0(key, "UpnpService")) {
 473                         dbus_message_iter_get_basic(&inter, spec);
 474                         *spec_len = strlen((const char *)*spec)+1;
 475                 } else if (!g_strcmp0(key, "UpnpVersion")) {
 476                         dbus_message_iter_get_basic(&inter, version);
 477                 } else if (!g_strcmp0(key, "WiFiDisplayIEs")) {
 478                         if (*spec || *query)
 479                                 return -EINVAL;
 480
 481                         dbus_message_iter_recurse(&inter, &value);
 482                         dbus_message_iter_get_fixed_array(&value,
 483                                                         spec, spec_len);
 484                 } else
 485                         return -EINVAL;
 486
 487                 dbus_message_iter_next(array);
 488         }
 489
 490         if ((*query && !*spec && !*version) ||
 491                                 (!*spec && !*query) || (!*spec && *version))
 492                 return -EINVAL;
 493
 494         return 0;
 495 }
 496
 497 static DBusMessage *register_peer_service(DBusConnection *conn,
 498                                                 DBusMessage *msg, void *data)
 499 {
 500         const unsigned char *spec, *query;
 501         DBusMessageIter iter, array;
 502         int spec_len, query_len;
 503         dbus_bool_t master;
 504         const char *owner;
 505         int version;
 506         int ret;
 507
 508         DBG("");
 509
 510         owner = dbus_message_get_sender(msg);
 511
 512         dbus_message_iter_init(msg, &iter);
 513         dbus_message_iter_recurse(&iter, &array);
 514
 515         ret = parse_peers_service_specs(&array, &spec, &spec_len,
 516                                                 &query, &query_len, &version);
 517         if (ret)
 518                 goto error;
 519
 520         dbus_message_iter_next(&iter);
 521         dbus_message_iter_get_basic(&iter, &master);
 522
 523         ret = __connman_peer_service_register(owner, msg, spec, spec_len,
 524                                         query, query_len, version,master);
 525         if (!ret)
 526                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 527         if (ret == -EINPROGRESS)
 528                 return NULL;
 529 error:
 530         return __connman_error_failed(msg, -ret);
 531 }
 532
 533 static DBusMessage *unregister_peer_service(DBusConnection *conn,
 534                                                 DBusMessage *msg, void *data)
 535 {
 536         const unsigned char *spec, *query;
 537         DBusMessageIter iter, array;
 538         int spec_len, query_len;
 539         const char *owner;
 540         int version;
 541         int ret;
 542
 543         DBG("");
 544
 545         owner = dbus_message_get_sender(msg);
 546
 547         dbus_message_iter_init(msg, &iter);
 548         dbus_message_iter_recurse(&iter, &array);
 549
 550         ret = parse_peers_service_specs(&array, &spec, &spec_len,
 551                                                 &query, &query_len, &version);
 552         if (ret)
 553                 goto error;
 554
 555         ret = __connman_peer_service_unregister(owner, spec, spec_len,
 556                                                 query, query_len, version);
 557         if (!ret)
 558                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 559 error:
 560         return __connman_error_failed(msg, -ret);
 561
 562 }
 563
 564 static const GDBusMethodTable manager_methods[] = {
 565         { GDBUS_METHOD("GetProperties",
 566                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 567                         get_properties) },
 568         { GDBUS_ASYNC_METHOD("SetProperty",
 569                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 570                         NULL, set_property) },
 571         { GDBUS_METHOD("GetTechnologies",
 572                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 573                         get_technologies) },
 574         { GDBUS_DEPRECATED_METHOD("RemoveProvider",
 575                         GDBUS_ARGS({ "provider", "o" }), NULL,
 576                         remove_provider) },
 577         { GDBUS_METHOD("GetServices",
 578                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 579                         get_services) },
 580         { GDBUS_METHOD("GetPeers",
 581                         NULL, GDBUS_ARGS({ "peers", "a(oa{sv})" }),
 582                         get_peers) },
 583         { GDBUS_DEPRECATED_ASYNC_METHOD("ConnectProvider",
 584                               GDBUS_ARGS({ "provider", "a{sv}" }),
 585                               GDBUS_ARGS({ "path", "o" }),
 586                               connect_provider) },
 587         { GDBUS_METHOD("RegisterAgent",
 588                         GDBUS_ARGS({ "path", "o" }), NULL,
 589                         register_agent) },
 590         { GDBUS_METHOD("UnregisterAgent",
 591                         GDBUS_ARGS({ "path", "o" }), NULL,
 592                         unregister_agent) },
 593         { GDBUS_METHOD("RegisterCounter",
 594                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 595                                         { "period", "u" }),
 596                         NULL, register_counter) },
 597         { GDBUS_METHOD("UnregisterCounter",
 598                         GDBUS_ARGS({ "path", "o" }), NULL,
 599                         unregister_counter) },
 600         { GDBUS_ASYNC_METHOD("CreateSession",
 601                         GDBUS_ARGS({ "settings", "a{sv}" },
 602                                                 { "notifier", "o" }),
 603                         GDBUS_ARGS({ "session", "o" }),
 604                         create_session) },
 605         { GDBUS_METHOD("DestroySession",
 606                         GDBUS_ARGS({ "session", "o" }), NULL,
 607                         destroy_session) },
 608         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 609                               NULL, GDBUS_ARGS({ "path", "o" },
 610                                                { "settings", "a{sv}" },
 611                                                { "socket", "h" }),
 612                               request_private_network) },
 613         { GDBUS_METHOD("ReleasePrivateNetwork",
 614                         GDBUS_ARGS({ "path", "o" }), NULL,
 615                         release_private_network) },
 616         { GDBUS_ASYNC_METHOD("RegisterPeerService",
 617                         GDBUS_ARGS({ "specification", "a{sv}" },
 618                                    { "master", "b" }), NULL,
 619                         register_peer_service) },
 620         { GDBUS_METHOD("UnregisterPeerService",
 621                         GDBUS_ARGS({ "specification", "a{sv}" }), NULL,
 622                         unregister_peer_service) },
 623 #if defined TIZEN_EXT
 624         { GDBUS_METHOD("GetVsies",
 625                         NULL, GDBUS_ARGS({ "Vsie", "a(oa{sv})" }),
 626                         get_wifi_vsies) },
 627 #endif
 628         { },
 629 };
 630
 631 static const GDBusSignalTable manager_signals[] = {
 632         { GDBUS_SIGNAL("PropertyChanged",
 633                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 634         { GDBUS_SIGNAL("TechnologyAdded",
 635                         GDBUS_ARGS({ "path", "o" },
 636                                    { "properties", "a{sv}" })) },
 637         { GDBUS_SIGNAL("TechnologyRemoved",
 638                         GDBUS_ARGS({ "path", "o" })) },
 639         { GDBUS_SIGNAL("ServicesChanged",
 640                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 641                                         { "removed", "ao" })) },
 642         { GDBUS_SIGNAL("PeersChanged",
 643                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 644                                         { "removed", "ao" })) },
 645         { },
 646 };
 647
 648 int __connman_manager_init(void)
 649 {
 650         DBG("");
 651
 652         connection = connman_dbus_get_connection();
 653         if (!connection)
 654                 return -1;
 655
 656         if (connman_notifier_register(&technology_notifier) < 0)
 657                 connman_error("Failed to register technology notifier");
 658
 659         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 660                                         CONNMAN_MANAGER_INTERFACE,
 661                                         manager_methods,
 662                                         manager_signals, NULL, NULL, NULL);
 663
 664         connman_state_idle = true;
 665
 666         return 0;
 667 }
 668
 669 void __connman_manager_cleanup(void)
 670 {
 671         DBG("");
 672
 673         if (!connection)
 674                 return;
 675
 676         connman_notifier_unregister(&technology_notifier);
 677
 678         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 679                                                 CONNMAN_MANAGER_INTERFACE);
 680
 681         dbus_connection_unref(connection);
 682 }