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