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
  45         DBG("conn %p", conn);
  46
  47         reply = dbus_message_new_method_return(msg);
  48         if (!reply)
  49                 return NULL;
  50
  51         dbus_message_iter_init_append(reply, &array);
  52
  53         connman_dbus_dict_open(&array, &dict);
  54
  55         str = __connman_notifier_get_state();
  56         connman_dbus_dict_append_basic(&dict, "State",
  57                                                 DBUS_TYPE_STRING, &str);
  58
  59         offlinemode = __connman_technology_get_offlinemode();
  60         connman_dbus_dict_append_basic(&dict, "OfflineMode",
  61                                         DBUS_TYPE_BOOLEAN, &offlinemode);
  62
  63         connman_dbus_dict_append_basic(&dict, "SessionMode",
  64                                         DBUS_TYPE_BOOLEAN,
  65                                         &sessionmode);
  66
  67         connman_dbus_dict_close(&array, &dict);
  68
  69         return reply;
  70 }
  71
  72 static DBusMessage *set_property(DBusConnection *conn,
  73                                         DBusMessage *msg, void *data)
  74 {
  75         DBusMessageIter iter, value;
  76         const char *name;
  77         int type;
  78
  79         DBG("conn %p", conn);
  80
  81         if (!dbus_message_iter_init(msg, &iter))
  82                 return __connman_error_invalid_arguments(msg);
  83
  84         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
  85                 return __connman_error_invalid_arguments(msg);
  86
  87         dbus_message_iter_get_basic(&iter, &name);
  88         dbus_message_iter_next(&iter);
  89
  90         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
  91                 return __connman_error_invalid_arguments(msg);
  92
  93         dbus_message_iter_recurse(&iter, &value);
  94
  95         type = dbus_message_iter_get_arg_type(&value);
  96
  97         if (g_str_equal(name, "OfflineMode")) {
  98                 dbus_bool_t offlinemode;
  99
 100                 if (type != DBUS_TYPE_BOOLEAN)
 101                         return __connman_error_invalid_arguments(msg);
 102
 103                 dbus_message_iter_get_basic(&value, &offlinemode);
 104
 105                 if (offlinemode) {
 106                         uid_t uid;
 107                         if (connman_dbus_get_connection_unix_user_sync(conn,
 108                                                 dbus_message_get_sender(msg),
 109                                                 &uid) < 0) {
 110                                 DBG("Can not get unix user id!");
 111                                 return __connman_error_permission_denied(msg);
 112                         }
 113
 114                         if (!__connman_service_is_user_allowed(CONNMAN_SERVICE_TYPE_WIFI, uid)) {
 115                                 DBG("Not allow this user to turn on offlinemode now!");
 116                                 return __connman_error_permission_denied(msg);
 117                         }
 118                 }
 119                 __connman_technology_set_offlinemode(offlinemode);
 120         } else if (g_str_equal(name, "SessionMode")) {
 121
 122                 if (type != DBUS_TYPE_BOOLEAN)
 123                         return __connman_error_invalid_arguments(msg);
 124
 125                 dbus_message_iter_get_basic(&value, &sessionmode);
 126
 127         } else
 128                 return __connman_error_invalid_property(msg);
 129
 130         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 131 }
 132
 133 static void append_technology_structs(DBusMessageIter *iter, void *user_data)
 134 {
 135         __connman_technology_list_struct(iter);
 136 }
 137
 138 static DBusMessage *get_technologies(DBusConnection *conn,
 139                 DBusMessage *msg, void *data)
 140 {
 141         DBusMessage *reply;
 142
 143 #if !defined TIZEN_EXT
 144         DBG("");
 145 #endif
 146
 147         reply = dbus_message_new_method_return(msg);
 148         if (!reply)
 149                 return NULL;
 150
 151         __connman_dbus_append_objpath_dict_array(reply,
 152                         append_technology_structs, NULL);
 153
 154         return reply;
 155 }
 156
 157 static DBusMessage *remove_provider(DBusConnection *conn,
 158                                     DBusMessage *msg, void *data)
 159 {
 160         const char *path;
 161         int err;
 162
 163         DBG("conn %p", conn);
 164
 165         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 166                                                         DBUS_TYPE_INVALID);
 167
 168         err = __connman_provider_remove_by_path(path);
 169         if (err < 0)
 170                 return __connman_error_failed(msg, -err);
 171
 172         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 173 }
 174
 175 static DBusConnection *connection = NULL;
 176
 177 static void idle_state(bool idle)
 178 {
 179
 180         DBG("idle %d", idle);
 181
 182         connman_state_idle = idle;
 183
 184         if (!connman_state_idle)
 185                 return;
 186 }
 187
 188 static struct connman_notifier technology_notifier = {
 189         .name           = "manager",
 190         .priority       = CONNMAN_NOTIFIER_PRIORITY_HIGH,
 191         .idle_state     = idle_state,
 192 };
 193
 194 static void append_service_structs(DBusMessageIter *iter, void *user_data)
 195 {
 196         __connman_service_list_struct(iter);
 197 }
 198
 199 static DBusMessage *get_services(DBusConnection *conn,
 200                                         DBusMessage *msg, void *data)
 201 {
 202         DBusMessage *reply;
 203
 204         reply = dbus_message_new_method_return(msg);
 205         if (!reply)
 206                 return NULL;
 207
 208         __connman_dbus_append_objpath_dict_array(reply,
 209                         append_service_structs, NULL);
 210
 211         return reply;
 212 }
 213
 214 static void append_peer_structs(DBusMessageIter *iter, void *user_data)
 215 {
 216         __connman_peer_list_struct(iter);
 217 }
 218
 219 static DBusMessage *get_peers(DBusConnection *conn,
 220                                         DBusMessage *msg, void *data)
 221 {
 222         DBusMessage *reply;
 223
 224         reply = dbus_message_new_method_return(msg);
 225         if (!reply)
 226                 return NULL;
 227
 228         __connman_dbus_append_objpath_dict_array(reply,
 229                                         append_peer_structs, NULL);
 230         return reply;
 231 }
 232
 233 static DBusMessage *connect_provider(DBusConnection *conn,
 234                                         DBusMessage *msg, void *data)
 235 {
 236         int err;
 237
 238         DBG("conn %p", conn);
 239
 240         err = __connman_provider_create_and_connect(msg);
 241         if (err < 0)
 242                 return __connman_error_failed(msg, -err);
 243
 244         return NULL;
 245 }
 246
 247 static DBusMessage *register_agent(DBusConnection *conn,
 248                                         DBusMessage *msg, void *data)
 249 {
 250         const char *sender, *path;
 251         int err;
 252
 253         DBG("conn %p", conn);
 254
 255         sender = dbus_message_get_sender(msg);
 256
 257         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 258                                                         DBUS_TYPE_INVALID);
 259
 260         err = connman_agent_register(sender, path);
 261         if (err < 0)
 262                 return __connman_error_failed(msg, -err);
 263
 264         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 265 }
 266
 267 static DBusMessage *unregister_agent(DBusConnection *conn,
 268                                         DBusMessage *msg, void *data)
 269 {
 270         const char *sender, *path;
 271         int err;
 272
 273         DBG("conn %p", conn);
 274
 275         sender = dbus_message_get_sender(msg);
 276
 277         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 278                                                         DBUS_TYPE_INVALID);
 279
 280         err = connman_agent_unregister(sender, path);
 281         if (err < 0)
 282                 return __connman_error_failed(msg, -err);
 283
 284         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 285 }
 286
 287 static DBusMessage *register_counter(DBusConnection *conn,
 288                                         DBusMessage *msg, void *data)
 289 {
 290         const char *sender, *path;
 291         unsigned int accuracy, period;
 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_UINT32, &accuracy,
 300                                                 DBUS_TYPE_UINT32, &period,
 301                                                         DBUS_TYPE_INVALID);
 302
 303         /* FIXME: add handling of accuracy parameter */
 304
 305         err = __connman_counter_register(sender, path, period);
 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_counter(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_counter_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 *create_session(DBusConnection *conn,
 333                                         DBusMessage *msg, void *data)
 334 {
 335         int err;
 336
 337         DBG("conn %p", conn);
 338
 339         err = __connman_session_create(msg);
 340         if (err < 0) {
 341                 if (err == -EINPROGRESS)
 342                         return NULL;
 343
 344                 return __connman_error_failed(msg, -err);
 345         }
 346
 347         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 348 }
 349
 350 static DBusMessage *destroy_session(DBusConnection *conn,
 351                                         DBusMessage *msg, void *data)
 352 {
 353         int err;
 354
 355         DBG("conn %p", conn);
 356
 357         err = __connman_session_destroy(msg);
 358         if (err < 0)
 359                 return __connman_error_failed(msg, -err);
 360
 361         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 362 }
 363
 364 static DBusMessage *request_private_network(DBusConnection *conn,
 365                                         DBusMessage *msg, void *data)
 366 {
 367         const char *sender;
 368         int  err;
 369
 370         DBG("conn %p", conn);
 371
 372         sender = dbus_message_get_sender(msg);
 373
 374         err = __connman_private_network_request(msg, sender);
 375         if (err < 0)
 376                 return __connman_error_failed(msg, -err);
 377
 378         return NULL;
 379 }
 380
 381 static DBusMessage *release_private_network(DBusConnection *conn,
 382                                         DBusMessage *msg, void *data)
 383 {
 384         const char *path;
 385         int err;
 386
 387         DBG("conn %p", conn);
 388
 389         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 390                                                         DBUS_TYPE_INVALID);
 391
 392         err = __connman_private_network_release(path);
 393         if (err < 0)
 394                 return __connman_error_failed(msg, -err);
 395
 396         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 397 }
 398
 399 static int parse_peers_service_specs(DBusMessageIter *array,
 400                         const unsigned char **spec, int *spec_len,
 401                         const unsigned char **query, int *query_len,
 402                         int *version)
 403 {
 404         *spec = *query = NULL;
 405         *spec_len = *query_len = *version = 0;
 406
 407         while (dbus_message_iter_get_arg_type(array) ==
 408                                                         DBUS_TYPE_DICT_ENTRY) {
 409                 DBusMessageIter entry, inter, value;
 410                 const char *key;
 411
 412                 dbus_message_iter_recurse(array, &entry);
 413                 dbus_message_iter_get_basic(&entry, &key);
 414
 415                 dbus_message_iter_next(&entry);
 416
 417                 dbus_message_iter_recurse(&entry, &inter);
 418
 419                 if  (!g_strcmp0(key, "BonjourResponse")) {
 420                         dbus_message_iter_recurse(&inter, &value);
 421                         dbus_message_iter_get_fixed_array(&value,
 422                                                         spec, spec_len);
 423                 } else if (!g_strcmp0(key, "BonjourQuery")) {
 424                         dbus_message_iter_recurse(&inter, &value);
 425                         dbus_message_iter_get_fixed_array(&value,
 426                                                         query, query_len);
 427                 } else if (!g_strcmp0(key, "UpnpService")) {
 428                         dbus_message_iter_get_basic(&inter, spec);
 429                         *spec_len = strlen((const char *)*spec)+1;
 430                 } else if (!g_strcmp0(key, "UpnpVersion")) {
 431                         dbus_message_iter_get_basic(&inter, version);
 432                 } else if (!g_strcmp0(key, "WiFiDisplayIEs")) {
 433                         if (*spec || *query)
 434                                 return -EINVAL;
 435
 436                         dbus_message_iter_recurse(&inter, &value);
 437                         dbus_message_iter_get_fixed_array(&value,
 438                                                         spec, spec_len);
 439                 } else
 440                         return -EINVAL;
 441
 442                 dbus_message_iter_next(array);
 443         }
 444
 445         if ((*query && !*spec && !*version) ||
 446                                 (!*spec && !*query) || (!*spec && *version))
 447                 return -EINVAL;
 448
 449         return 0;
 450 }
 451
 452 static DBusMessage *register_peer_service(DBusConnection *conn,
 453                                                 DBusMessage *msg, void *data)
 454 {
 455         const unsigned char *spec, *query;
 456         DBusMessageIter iter, array;
 457         int spec_len, query_len;
 458         dbus_bool_t master;
 459         const char *owner;
 460         int version;
 461         int ret;
 462
 463         DBG("");
 464
 465         owner = dbus_message_get_sender(msg);
 466
 467         dbus_message_iter_init(msg, &iter);
 468         dbus_message_iter_recurse(&iter, &array);
 469
 470         ret = parse_peers_service_specs(&array, &spec, &spec_len,
 471                                                 &query, &query_len, &version);
 472         if (ret)
 473                 goto error;
 474
 475         dbus_message_iter_next(&iter);
 476         dbus_message_iter_get_basic(&iter, &master);
 477
 478         ret = __connman_peer_service_register(owner, msg, spec, spec_len,
 479                                         query, query_len, version,master);
 480         if (!ret)
 481                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 482         if (ret == -EINPROGRESS)
 483                 return NULL;
 484 error:
 485         return __connman_error_failed(msg, -ret);
 486 }
 487
 488 static DBusMessage *unregister_peer_service(DBusConnection *conn,
 489                                                 DBusMessage *msg, void *data)
 490 {
 491         const unsigned char *spec, *query;
 492         DBusMessageIter iter, array;
 493         int spec_len, query_len;
 494         const char *owner;
 495         int version;
 496         int ret;
 497
 498         DBG("");
 499
 500         owner = dbus_message_get_sender(msg);
 501
 502         dbus_message_iter_init(msg, &iter);
 503         dbus_message_iter_recurse(&iter, &array);
 504
 505         ret = parse_peers_service_specs(&array, &spec, &spec_len,
 506                                                 &query, &query_len, &version);
 507         if (ret)
 508                 goto error;
 509
 510         ret = __connman_peer_service_unregister(owner, spec, spec_len,
 511                                                 query, query_len, version);
 512         if (!ret)
 513                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 514 error:
 515         return __connman_error_failed(msg, -ret);
 516
 517 }
 518
 519 static const GDBusMethodTable manager_methods[] = {
 520         { GDBUS_METHOD("GetProperties",
 521                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 522                         get_properties) },
 523         { GDBUS_ASYNC_METHOD("SetProperty",
 524                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 525                         NULL, set_property) },
 526         { GDBUS_METHOD("GetTechnologies",
 527                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 528                         get_technologies) },
 529         { GDBUS_DEPRECATED_METHOD("RemoveProvider",
 530                         GDBUS_ARGS({ "provider", "o" }), NULL,
 531                         remove_provider) },
 532         { GDBUS_METHOD("GetServices",
 533                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 534                         get_services) },
 535         { GDBUS_METHOD("GetPeers",
 536                         NULL, GDBUS_ARGS({ "peers", "a(oa{sv})" }),
 537                         get_peers) },
 538         { GDBUS_DEPRECATED_ASYNC_METHOD("ConnectProvider",
 539                               GDBUS_ARGS({ "provider", "a{sv}" }),
 540                               GDBUS_ARGS({ "path", "o" }),
 541                               connect_provider) },
 542         { GDBUS_METHOD("RegisterAgent",
 543                         GDBUS_ARGS({ "path", "o" }), NULL,
 544                         register_agent) },
 545         { GDBUS_METHOD("UnregisterAgent",
 546                         GDBUS_ARGS({ "path", "o" }), NULL,
 547                         unregister_agent) },
 548         { GDBUS_METHOD("RegisterCounter",
 549                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 550                                         { "period", "u" }),
 551                         NULL, register_counter) },
 552         { GDBUS_METHOD("UnregisterCounter",
 553                         GDBUS_ARGS({ "path", "o" }), NULL,
 554                         unregister_counter) },
 555         { GDBUS_ASYNC_METHOD("CreateSession",
 556                         GDBUS_ARGS({ "settings", "a{sv}" },
 557                                                 { "notifier", "o" }),
 558                         GDBUS_ARGS({ "session", "o" }),
 559                         create_session) },
 560         { GDBUS_METHOD("DestroySession",
 561                         GDBUS_ARGS({ "session", "o" }), NULL,
 562                         destroy_session) },
 563         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 564                               NULL, GDBUS_ARGS({ "path", "o" },
 565                                                { "settings", "a{sv}" },
 566                                                { "socket", "h" }),
 567                               request_private_network) },
 568         { GDBUS_METHOD("ReleasePrivateNetwork",
 569                         GDBUS_ARGS({ "path", "o" }), NULL,
 570                         release_private_network) },
 571         { GDBUS_ASYNC_METHOD("RegisterPeerService",
 572                         GDBUS_ARGS({ "specification", "a{sv}" },
 573                                    { "master", "b" }), NULL,
 574                         register_peer_service) },
 575         { GDBUS_METHOD("UnregisterPeerService",
 576                         GDBUS_ARGS({ "specification", "a{sv}" }), NULL,
 577                         unregister_peer_service) },
 578         { },
 579 };
 580
 581 static const GDBusSignalTable manager_signals[] = {
 582         { GDBUS_SIGNAL("PropertyChanged",
 583                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 584         { GDBUS_SIGNAL("TechnologyAdded",
 585                         GDBUS_ARGS({ "path", "o" },
 586                                    { "properties", "a{sv}" })) },
 587         { GDBUS_SIGNAL("TechnologyRemoved",
 588                         GDBUS_ARGS({ "path", "o" })) },
 589         { GDBUS_SIGNAL("ServicesChanged",
 590                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 591                                         { "removed", "ao" })) },
 592         { GDBUS_SIGNAL("PeersChanged",
 593                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 594                                         { "removed", "ao" })) },
 595         { },
 596 };
 597
 598 int __connman_manager_init(void)
 599 {
 600         DBG("");
 601
 602         connection = connman_dbus_get_connection();
 603         if (!connection)
 604                 return -1;
 605
 606         if (connman_notifier_register(&technology_notifier) < 0)
 607                 connman_error("Failed to register technology notifier");
 608
 609         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 610                                         CONNMAN_MANAGER_INTERFACE,
 611                                         manager_methods,
 612                                         manager_signals, NULL, NULL, NULL);
 613
 614         connman_state_idle = true;
 615
 616         return 0;
 617 }
 618
 619 void __connman_manager_cleanup(void)
 620 {
 621         DBG("");
 622
 623         if (!connection)
 624                 return;
 625
 626         connman_notifier_unregister(&technology_notifier);
 627
 628         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 629                                                 CONNMAN_MANAGER_INTERFACE);
 630
 631         dbus_connection_unref(connection);
 632 }