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                 __connman_technology_set_offlinemode(offlinemode);
 106         } else if (g_str_equal(name, "SessionMode")) {
 107
 108                 if (type != DBUS_TYPE_BOOLEAN)
 109                         return __connman_error_invalid_arguments(msg);
 110
 111                 dbus_message_iter_get_basic(&value, &sessionmode);
 112
 113         } else
 114                 return __connman_error_invalid_property(msg);
 115
 116         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 117 }
 118
 119 static void append_technology_structs(DBusMessageIter *iter, void *user_data)
 120 {
 121         __connman_technology_list_struct(iter);
 122 }
 123
 124 static DBusMessage *get_technologies(DBusConnection *conn,
 125                 DBusMessage *msg, void *data)
 126 {
 127         DBusMessage *reply;
 128
 129         DBG("");
 130
 131         reply = dbus_message_new_method_return(msg);
 132         if (!reply)
 133                 return NULL;
 134
 135         __connman_dbus_append_objpath_dict_array(reply,
 136                         append_technology_structs, NULL);
 137
 138         return reply;
 139 }
 140
 141 static DBusMessage *remove_provider(DBusConnection *conn,
 142                                     DBusMessage *msg, void *data)
 143 {
 144         const char *path;
 145         int err;
 146
 147         DBG("conn %p", conn);
 148
 149         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 150                                                         DBUS_TYPE_INVALID);
 151
 152         err = __connman_provider_remove_by_path(path);
 153         if (err < 0)
 154                 return __connman_error_failed(msg, -err);
 155
 156         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 157 }
 158
 159 static DBusConnection *connection = NULL;
 160
 161 static void idle_state(bool idle)
 162 {
 163
 164         DBG("idle %d", idle);
 165
 166         connman_state_idle = idle;
 167
 168         if (!connman_state_idle)
 169                 return;
 170 }
 171
 172 static const struct connman_notifier technology_notifier = {
 173         .name           = "manager",
 174         .priority       = CONNMAN_NOTIFIER_PRIORITY_HIGH,
 175         .idle_state     = idle_state,
 176 };
 177
 178 static void append_service_structs(DBusMessageIter *iter, void *user_data)
 179 {
 180         __connman_service_list_struct(iter);
 181 }
 182
 183 static DBusMessage *get_services(DBusConnection *conn,
 184                                         DBusMessage *msg, void *data)
 185 {
 186         DBusMessage *reply;
 187
 188         reply = dbus_message_new_method_return(msg);
 189         if (!reply)
 190                 return NULL;
 191
 192         __connman_dbus_append_objpath_dict_array(reply,
 193                         append_service_structs, NULL);
 194
 195         return reply;
 196 }
 197
 198 static void append_peer_structs(DBusMessageIter *iter, void *user_data)
 199 {
 200         __connman_peer_list_struct(iter);
 201 }
 202
 203 static DBusMessage *get_peers(DBusConnection *conn,
 204                                         DBusMessage *msg, void *data)
 205 {
 206         DBusMessage *reply;
 207
 208         reply = dbus_message_new_method_return(msg);
 209         if (!reply)
 210                 return NULL;
 211
 212         __connman_dbus_append_objpath_dict_array(reply,
 213                                         append_peer_structs, NULL);
 214         return reply;
 215 }
 216
 217 static DBusMessage *get_tethering_clients(DBusConnection *conn,
 218                                         DBusMessage *msg, void *data)
 219 {
 220         DBusMessage *reply;
 221         DBusMessageIter iter, array;
 222
 223         reply = dbus_message_new_method_return(msg);
 224         if (!reply)
 225                 return NULL;
 226
 227         dbus_message_iter_init_append(reply, &iter);
 228
 229         dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
 230                                 DBUS_TYPE_STRING_AS_STRING, &array);
 231
 232         __connman_tethering_list_clients(&array);
 233
 234         dbus_message_iter_close_container(&iter, &array);
 235         return reply;
 236 }
 237
 238 static DBusMessage *connect_provider(DBusConnection *conn,
 239                                         DBusMessage *msg, void *data)
 240 {
 241         int err;
 242
 243         DBG("conn %p", conn);
 244
 245         err = __connman_provider_create_and_connect(msg);
 246         if (err < 0)
 247                 return __connman_error_failed(msg, -err);
 248
 249         return NULL;
 250 }
 251
 252 static DBusMessage *register_agent(DBusConnection *conn,
 253                                         DBusMessage *msg, void *data)
 254 {
 255         const char *sender, *path;
 256         int err;
 257
 258         DBG("conn %p", conn);
 259
 260         sender = dbus_message_get_sender(msg);
 261
 262         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 263                                                         DBUS_TYPE_INVALID);
 264
 265         err = connman_agent_register(sender, path);
 266         if (err < 0)
 267                 return __connman_error_failed(msg, -err);
 268
 269         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 270 }
 271
 272 static DBusMessage *unregister_agent(DBusConnection *conn,
 273                                         DBusMessage *msg, void *data)
 274 {
 275         const char *sender, *path;
 276         int err;
 277
 278         DBG("conn %p", conn);
 279
 280         sender = dbus_message_get_sender(msg);
 281
 282         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 283                                                         DBUS_TYPE_INVALID);
 284
 285         err = connman_agent_unregister(sender, path);
 286         if (err < 0)
 287                 return __connman_error_failed(msg, -err);
 288
 289         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 290 }
 291
 292 static DBusMessage *register_counter(DBusConnection *conn,
 293                                         DBusMessage *msg, void *data)
 294 {
 295         const char *sender, *path;
 296         unsigned int accuracy, period;
 297         int err;
 298
 299         DBG("conn %p", conn);
 300
 301         sender = dbus_message_get_sender(msg);
 302
 303         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 304                                                 DBUS_TYPE_UINT32, &accuracy,
 305                                                 DBUS_TYPE_UINT32, &period,
 306                                                         DBUS_TYPE_INVALID);
 307
 308         /* FIXME: add handling of accuracy parameter */
 309
 310         err = __connman_counter_register(sender, path, period);
 311         if (err < 0)
 312                 return __connman_error_failed(msg, -err);
 313
 314         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 315 }
 316
 317 static DBusMessage *unregister_counter(DBusConnection *conn,
 318                                         DBusMessage *msg, void *data)
 319 {
 320         const char *sender, *path;
 321         int err;
 322
 323         DBG("conn %p", conn);
 324
 325         sender = dbus_message_get_sender(msg);
 326
 327         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 328                                                         DBUS_TYPE_INVALID);
 329
 330         err = __connman_counter_unregister(sender, path);
 331         if (err < 0)
 332                 return __connman_error_failed(msg, -err);
 333
 334         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 335 }
 336
 337 static DBusMessage *create_session(DBusConnection *conn,
 338                                         DBusMessage *msg, void *data)
 339 {
 340         int err;
 341
 342         DBG("conn %p", conn);
 343
 344         err = __connman_session_create(msg);
 345         if (err < 0) {
 346                 if (err == -EINPROGRESS)
 347                         return NULL;
 348
 349                 return __connman_error_failed(msg, -err);
 350         }
 351
 352         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 353 }
 354
 355 static DBusMessage *destroy_session(DBusConnection *conn,
 356                                         DBusMessage *msg, void *data)
 357 {
 358         int err;
 359
 360         DBG("conn %p", conn);
 361
 362         err = __connman_session_destroy(msg);
 363         if (err < 0)
 364                 return __connman_error_failed(msg, -err);
 365
 366         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 367 }
 368
 369 static DBusMessage *request_private_network(DBusConnection *conn,
 370                                         DBusMessage *msg, void *data)
 371 {
 372         const char *sender;
 373         int  err;
 374
 375         DBG("conn %p", conn);
 376
 377         sender = dbus_message_get_sender(msg);
 378
 379         err = __connman_private_network_request(msg, sender);
 380         if (err < 0)
 381                 return __connman_error_failed(msg, -err);
 382
 383         return NULL;
 384 }
 385
 386 static DBusMessage *release_private_network(DBusConnection *conn,
 387                                         DBusMessage *msg, void *data)
 388 {
 389         const char *path;
 390         int err;
 391
 392         DBG("conn %p", conn);
 393
 394         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 395                                                         DBUS_TYPE_INVALID);
 396
 397         err = __connman_private_network_release(path);
 398         if (err < 0)
 399                 return __connman_error_failed(msg, -err);
 400
 401         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 402 }
 403
 404 static int parse_peers_service_specs(DBusMessageIter *array,
 405                         const unsigned char **spec, int *spec_len,
 406                         const unsigned char **query, int *query_len,
 407                         int *version)
 408 {
 409         *spec = *query = NULL;
 410         *spec_len = *query_len = *version = 0;
 411
 412         while (dbus_message_iter_get_arg_type(array) ==
 413                                                         DBUS_TYPE_DICT_ENTRY) {
 414                 DBusMessageIter entry, inter, value;
 415                 const char *key;
 416
 417                 dbus_message_iter_recurse(array, &entry);
 418                 dbus_message_iter_get_basic(&entry, &key);
 419
 420                 dbus_message_iter_next(&entry);
 421
 422                 dbus_message_iter_recurse(&entry, &inter);
 423
 424                 if  (!g_strcmp0(key, "BonjourResponse")) {
 425                         dbus_message_iter_recurse(&inter, &value);
 426                         dbus_message_iter_get_fixed_array(&value,
 427                                                         spec, spec_len);
 428                 } else if (!g_strcmp0(key, "BonjourQuery")) {
 429                         dbus_message_iter_recurse(&inter, &value);
 430                         dbus_message_iter_get_fixed_array(&value,
 431                                                         query, query_len);
 432                 } else if (!g_strcmp0(key, "UpnpService")) {
 433                         dbus_message_iter_get_basic(&inter, spec);
 434                         *spec_len = strlen((const char *)*spec)+1;
 435                 } else if (!g_strcmp0(key, "UpnpVersion")) {
 436                         dbus_message_iter_get_basic(&inter, version);
 437                 } else if (!g_strcmp0(key, "WiFiDisplayIEs")) {
 438                         if (*spec || *query)
 439                                 return -EINVAL;
 440
 441                         dbus_message_iter_recurse(&inter, &value);
 442                         dbus_message_iter_get_fixed_array(&value,
 443                                                         spec, spec_len);
 444                 } else
 445                         return -EINVAL;
 446
 447                 dbus_message_iter_next(array);
 448         }
 449
 450         if ((*query && !*spec && !*version) ||
 451                                 (!*spec && !*query) || (!*spec && *version))
 452                 return -EINVAL;
 453
 454         return 0;
 455 }
 456
 457 static DBusMessage *register_peer_service(DBusConnection *conn,
 458                                                 DBusMessage *msg, void *data)
 459 {
 460         const unsigned char *spec, *query;
 461         DBusMessageIter iter, array;
 462         int spec_len, query_len;
 463         dbus_bool_t master;
 464         const char *owner;
 465         int version;
 466         int ret;
 467
 468         DBG("");
 469
 470         owner = dbus_message_get_sender(msg);
 471
 472         dbus_message_iter_init(msg, &iter);
 473         dbus_message_iter_recurse(&iter, &array);
 474
 475         ret = parse_peers_service_specs(&array, &spec, &spec_len,
 476                                                 &query, &query_len, &version);
 477         if (ret)
 478                 goto error;
 479
 480         dbus_message_iter_next(&iter);
 481         dbus_message_iter_get_basic(&iter, &master);
 482
 483         ret = __connman_peer_service_register(owner, msg, spec, spec_len,
 484                                         query, query_len, version,master);
 485         if (!ret)
 486                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 487         if (ret == -EINPROGRESS)
 488                 return NULL;
 489 error:
 490         return __connman_error_failed(msg, -ret);
 491 }
 492
 493 static DBusMessage *unregister_peer_service(DBusConnection *conn,
 494                                                 DBusMessage *msg, void *data)
 495 {
 496         const unsigned char *spec, *query;
 497         DBusMessageIter iter, array;
 498         int spec_len, query_len;
 499         const char *owner;
 500         int version;
 501         int ret;
 502
 503         DBG("");
 504
 505         owner = dbus_message_get_sender(msg);
 506
 507         dbus_message_iter_init(msg, &iter);
 508         dbus_message_iter_recurse(&iter, &array);
 509
 510         ret = parse_peers_service_specs(&array, &spec, &spec_len,
 511                                                 &query, &query_len, &version);
 512         if (ret)
 513                 goto error;
 514
 515         ret = __connman_peer_service_unregister(owner, spec, spec_len,
 516                                                 query, query_len, version);
 517         if (!ret)
 518                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 519 error:
 520         return __connman_error_failed(msg, -ret);
 521
 522 }
 523
 524 static const GDBusMethodTable manager_methods[] = {
 525         { GDBUS_METHOD("GetProperties",
 526                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 527                         get_properties) },
 528         { GDBUS_ASYNC_METHOD("SetProperty",
 529                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 530                         NULL, set_property) },
 531         { GDBUS_METHOD("GetTechnologies",
 532                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 533                         get_technologies) },
 534         { GDBUS_DEPRECATED_METHOD("RemoveProvider",
 535                         GDBUS_ARGS({ "provider", "o" }), NULL,
 536                         remove_provider) },
 537         { GDBUS_METHOD("GetServices",
 538                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 539                         get_services) },
 540         { GDBUS_METHOD("GetPeers",
 541                         NULL, GDBUS_ARGS({ "peers", "a(oa{sv})" }),
 542                         get_peers) },
 543         { GDBUS_METHOD("GetTetheringClients",
 544                         NULL, GDBUS_ARGS({ "tethering_clients", "as" }),
 545                         get_tethering_clients) },
 546         { GDBUS_DEPRECATED_ASYNC_METHOD("ConnectProvider",
 547                               GDBUS_ARGS({ "provider", "a{sv}" }),
 548                               GDBUS_ARGS({ "path", "o" }),
 549                               connect_provider) },
 550         { GDBUS_METHOD("RegisterAgent",
 551                         GDBUS_ARGS({ "path", "o" }), NULL,
 552                         register_agent) },
 553         { GDBUS_METHOD("UnregisterAgent",
 554                         GDBUS_ARGS({ "path", "o" }), NULL,
 555                         unregister_agent) },
 556         { GDBUS_METHOD("RegisterCounter",
 557                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 558                                         { "period", "u" }),
 559                         NULL, register_counter) },
 560         { GDBUS_METHOD("UnregisterCounter",
 561                         GDBUS_ARGS({ "path", "o" }), NULL,
 562                         unregister_counter) },
 563         { GDBUS_ASYNC_METHOD("CreateSession",
 564                         GDBUS_ARGS({ "settings", "a{sv}" },
 565                                                 { "notifier", "o" }),
 566                         GDBUS_ARGS({ "session", "o" }),
 567                         create_session) },
 568         { GDBUS_METHOD("DestroySession",
 569                         GDBUS_ARGS({ "session", "o" }), NULL,
 570                         destroy_session) },
 571         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 572                               NULL, GDBUS_ARGS({ "path", "o" },
 573                                                { "settings", "a{sv}" },
 574                                                { "socket", "h" }),
 575                               request_private_network) },
 576         { GDBUS_METHOD("ReleasePrivateNetwork",
 577                         GDBUS_ARGS({ "path", "o" }), NULL,
 578                         release_private_network) },
 579         { GDBUS_ASYNC_METHOD("RegisterPeerService",
 580                         GDBUS_ARGS({ "specification", "a{sv}" },
 581                                    { "master", "b" }), NULL,
 582                         register_peer_service) },
 583         { GDBUS_METHOD("UnregisterPeerService",
 584                         GDBUS_ARGS({ "specification", "a{sv}" }), NULL,
 585                         unregister_peer_service) },
 586         { },
 587 };
 588
 589 static const GDBusSignalTable manager_signals[] = {
 590         { GDBUS_SIGNAL("PropertyChanged",
 591                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 592         { GDBUS_SIGNAL("TechnologyAdded",
 593                         GDBUS_ARGS({ "path", "o" },
 594                                    { "properties", "a{sv}" })) },
 595         { GDBUS_SIGNAL("TechnologyRemoved",
 596                         GDBUS_ARGS({ "path", "o" })) },
 597         { GDBUS_SIGNAL("ServicesChanged",
 598                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 599                                         { "removed", "ao" })) },
 600         { GDBUS_SIGNAL("PeersChanged",
 601                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 602                                         { "removed", "ao" })) },
 603         { },
 604 };
 605
 606 int __connman_manager_init(void)
 607 {
 608         DBG("");
 609
 610         connection = connman_dbus_get_connection();
 611         if (!connection)
 612                 return -1;
 613
 614         if (connman_notifier_register(&technology_notifier) < 0)
 615                 connman_error("Failed to register technology notifier");
 616
 617         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 618                                         CONNMAN_MANAGER_INTERFACE,
 619                                         manager_methods,
 620                                         manager_signals, NULL, NULL, NULL);
 621
 622         connman_state_idle = true;
 623
 624         return 0;
 625 }
 626
 627 void __connman_manager_cleanup(void)
 628 {
 629         DBG("");
 630
 631         if (!connection)
 632                 return;
 633
 634         connman_notifier_unregister(&technology_notifier);
 635
 636         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 637                                                 CONNMAN_MANAGER_INTERFACE);
 638
 639         dbus_connection_unref(connection);
 640 }