src/manager.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 connman_bool_t connman_state_idle;
  35 static DBusMessage *session_mode_pending = NULL;
  36
  37 static DBusMessage *get_properties(DBusConnection *conn,
  38                                         DBusMessage *msg, void *data)
  39 {
  40         DBusMessage *reply;
  41         DBusMessageIter array, dict;
  42         connman_bool_t offlinemode, sessionmode;
  43         const char *str;
  44
  45         DBG("conn %p", conn);
  46
  47         reply = dbus_message_new_method_return(msg);
  48         if (reply == NULL)
  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         sessionmode = __connman_session_mode();
  64         connman_dbus_dict_append_basic(&dict, "SessionMode",
  65                                         DBUS_TYPE_BOOLEAN,
  66                                         &sessionmode);
  67
  68         connman_dbus_dict_close(&array, &dict);
  69
  70         return reply;
  71 }
  72
  73 static DBusMessage *set_property(DBusConnection *conn,
  74                                         DBusMessage *msg, void *data)
  75 {
  76         DBusMessageIter iter, value;
  77         const char *name;
  78         int type;
  79
  80         DBG("conn %p", conn);
  81
  82         if (dbus_message_iter_init(msg, &iter) == FALSE)
  83                 return __connman_error_invalid_arguments(msg);
  84
  85         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
  86                 return __connman_error_invalid_arguments(msg);
  87
  88         dbus_message_iter_get_basic(&iter, &name);
  89         dbus_message_iter_next(&iter);
  90
  91         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
  92                 return __connman_error_invalid_arguments(msg);
  93
  94         dbus_message_iter_recurse(&iter, &value);
  95
  96         type = dbus_message_iter_get_arg_type(&value);
  97
  98         if (g_str_equal(name, "OfflineMode") == TRUE) {
  99                 connman_bool_t offlinemode;
 100
 101                 if (type != DBUS_TYPE_BOOLEAN)
 102                         return __connman_error_invalid_arguments(msg);
 103
 104                 dbus_message_iter_get_basic(&value, &offlinemode);
 105
 106                 __connman_technology_set_offlinemode(offlinemode);
 107         } else if (g_str_equal(name, "SessionMode") == TRUE) {
 108                 connman_bool_t sessionmode;
 109
 110                 if (type != DBUS_TYPE_BOOLEAN)
 111                         return __connman_error_invalid_arguments(msg);
 112
 113                 dbus_message_iter_get_basic(&value, &sessionmode);
 114
 115                 if (session_mode_pending != NULL)
 116                         return __connman_error_in_progress(msg);
 117
 118                 __connman_session_set_mode(sessionmode);
 119
 120                 if (sessionmode == TRUE && connman_state_idle == FALSE) {
 121                         session_mode_pending = dbus_message_ref(msg);
 122                         return NULL;
 123                 }
 124
 125         } else
 126                 return __connman_error_invalid_property(msg);
 127
 128         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 129 }
 130
 131 static void append_technology_structs(DBusMessageIter *iter, void *user_data)
 132 {
 133         __connman_technology_list_struct(iter);
 134 }
 135
 136 static DBusMessage *get_technologies(DBusConnection *conn,
 137                 DBusMessage *msg, void *data)
 138 {
 139         DBusMessage *reply;
 140
 141         DBG("");
 142
 143         reply = dbus_message_new_method_return(msg);
 144         if (reply == NULL)
 145                 return NULL;
 146
 147         __connman_dbus_append_objpath_dict_array(reply,
 148                         append_technology_structs, NULL);
 149
 150         return reply;
 151 }
 152
 153 static DBusMessage *remove_provider(DBusConnection *conn,
 154                                     DBusMessage *msg, void *data)
 155 {
 156         const char *path;
 157         int err;
 158
 159         DBG("conn %p", conn);
 160
 161         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 162                                                         DBUS_TYPE_INVALID);
 163
 164         err = __connman_provider_remove_by_path(path);
 165         if (err < 0)
 166                 return __connman_error_failed(msg, -err);
 167
 168         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 169 }
 170
 171 static DBusConnection *connection = NULL;
 172
 173 static void session_mode_notify(void)
 174 {
 175         DBusMessage *reply;
 176
 177         reply = g_dbus_create_reply(session_mode_pending, DBUS_TYPE_INVALID);
 178         g_dbus_send_message(connection, reply);
 179
 180         dbus_message_unref(session_mode_pending);
 181         session_mode_pending = NULL;
 182 }
 183
 184 static void idle_state(connman_bool_t idle)
 185 {
 186
 187         DBG("idle %d", idle);
 188
 189         connman_state_idle = idle;
 190
 191         if (connman_state_idle == FALSE || session_mode_pending == NULL)
 192                 return;
 193
 194         session_mode_notify();
 195 }
 196
 197 static struct connman_notifier technology_notifier = {
 198         .name           = "manager",
 199         .priority       = CONNMAN_NOTIFIER_PRIORITY_HIGH,
 200         .idle_state     = idle_state,
 201 };
 202
 203 static void append_service_structs(DBusMessageIter *iter, void *user_data)
 204 {
 205         __connman_service_list_struct(iter);
 206 }
 207
 208 static DBusMessage *get_services(DBusConnection *conn,
 209                                         DBusMessage *msg, void *data)
 210 {
 211         DBusMessage *reply;
 212
 213         reply = dbus_message_new_method_return(msg);
 214         if (reply == NULL)
 215                 return NULL;
 216
 217         __connman_dbus_append_objpath_dict_array(reply,
 218                         append_service_structs, NULL);
 219
 220         return reply;
 221 }
 222
 223 static DBusMessage *connect_provider(DBusConnection *conn,
 224                                         DBusMessage *msg, void *data)
 225 {
 226         int err;
 227
 228         DBG("conn %p", conn);
 229
 230         if (__connman_session_mode() == TRUE) {
 231                 connman_info("Session mode enabled: "
 232                                 "direct provider connect disabled");
 233
 234                 return __connman_error_failed(msg, EINVAL);
 235         }
 236
 237         err = __connman_provider_create_and_connect(msg);
 238         if (err < 0)
 239                 return __connman_error_failed(msg, -err);
 240
 241         return NULL;
 242 }
 243
 244 static DBusMessage *register_agent(DBusConnection *conn,
 245                                         DBusMessage *msg, void *data)
 246 {
 247         const char *sender, *path;
 248         int err;
 249
 250         DBG("conn %p", conn);
 251
 252         sender = dbus_message_get_sender(msg);
 253
 254         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 255                                                         DBUS_TYPE_INVALID);
 256
 257         err = connman_agent_register(sender, path);
 258         if (err < 0)
 259                 return __connman_error_failed(msg, -err);
 260
 261         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 262 }
 263
 264 static DBusMessage *unregister_agent(DBusConnection *conn,
 265                                         DBusMessage *msg, void *data)
 266 {
 267         const char *sender, *path;
 268         int err;
 269
 270         DBG("conn %p", conn);
 271
 272         sender = dbus_message_get_sender(msg);
 273
 274         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 275                                                         DBUS_TYPE_INVALID);
 276
 277         err = connman_agent_unregister(sender, path);
 278         if (err < 0)
 279                 return __connman_error_failed(msg, -err);
 280
 281         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 282 }
 283
 284 static DBusMessage *register_counter(DBusConnection *conn,
 285                                         DBusMessage *msg, void *data)
 286 {
 287         const char *sender, *path;
 288         unsigned int accuracy, period;
 289         int err;
 290
 291         DBG("conn %p", conn);
 292
 293         sender = dbus_message_get_sender(msg);
 294
 295         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 296                                                 DBUS_TYPE_UINT32, &accuracy,
 297                                                 DBUS_TYPE_UINT32, &period,
 298                                                         DBUS_TYPE_INVALID);
 299
 300         /* FIXME: add handling of accuracy parameter */
 301
 302         err = __connman_counter_register(sender, path, period);
 303         if (err < 0)
 304                 return __connman_error_failed(msg, -err);
 305
 306         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 307 }
 308
 309 static DBusMessage *unregister_counter(DBusConnection *conn,
 310                                         DBusMessage *msg, void *data)
 311 {
 312         const char *sender, *path;
 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_INVALID);
 321
 322         err = __connman_counter_unregister(sender, path);
 323         if (err < 0)
 324                 return __connman_error_failed(msg, -err);
 325
 326         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 327 }
 328
 329 static DBusMessage *create_session(DBusConnection *conn,
 330                                         DBusMessage *msg, void *data)
 331 {
 332         int err;
 333
 334         DBG("conn %p", conn);
 335
 336         err = __connman_session_create(msg);
 337         if (err < 0) {
 338                 if (err == -EINPROGRESS)
 339                         return NULL;
 340
 341                 return __connman_error_failed(msg, -err);
 342         }
 343
 344         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 345 }
 346
 347 static DBusMessage *destroy_session(DBusConnection *conn,
 348                                         DBusMessage *msg, void *data)
 349 {
 350         int err;
 351
 352         DBG("conn %p", conn);
 353
 354         err = __connman_session_destroy(msg);
 355         if (err < 0)
 356                 return __connman_error_failed(msg, -err);
 357
 358         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 359 }
 360
 361 static DBusMessage *request_private_network(DBusConnection *conn,
 362                                         DBusMessage *msg, void *data)
 363 {
 364         const char *sender;
 365         int  err;
 366
 367         DBG("conn %p", conn);
 368
 369         sender = dbus_message_get_sender(msg);
 370
 371         err = __connman_private_network_request(msg, sender);
 372         if (err < 0)
 373                 return __connman_error_failed(msg, -err);
 374
 375         return NULL;
 376 }
 377
 378 static DBusMessage *release_private_network(DBusConnection *conn,
 379                                         DBusMessage *msg, void *data)
 380 {
 381         const char *path;
 382         int err;
 383
 384         DBG("conn %p", conn);
 385
 386         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 387                                                         DBUS_TYPE_INVALID);
 388
 389         err = __connman_private_network_release(path);
 390         if (err < 0)
 391                 return __connman_error_failed(msg, -err);
 392
 393         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 394 }
 395
 396 static const GDBusMethodTable manager_methods[] = {
 397         { GDBUS_METHOD("GetProperties",
 398                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 399                         get_properties) },
 400         { GDBUS_ASYNC_METHOD("SetProperty",
 401                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 402                         NULL, set_property) },
 403         { GDBUS_METHOD("GetTechnologies",
 404                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 405                         get_technologies) },
 406         { GDBUS_DEPRECATED_METHOD("RemoveProvider",
 407                         GDBUS_ARGS({ "provider", "o" }), NULL,
 408                         remove_provider) },
 409         { GDBUS_METHOD("GetServices",
 410                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 411                         get_services) },
 412         { GDBUS_DEPRECATED_ASYNC_METHOD("ConnectProvider",
 413                               GDBUS_ARGS({ "provider", "a{sv}" }),
 414                               GDBUS_ARGS({ "path", "o" }),
 415                               connect_provider) },
 416         { GDBUS_METHOD("RegisterAgent",
 417                         GDBUS_ARGS({ "path", "o" }), NULL,
 418                         register_agent) },
 419         { GDBUS_METHOD("UnregisterAgent",
 420                         GDBUS_ARGS({ "path", "o" }), NULL,
 421                         unregister_agent) },
 422         { GDBUS_METHOD("RegisterCounter",
 423                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 424                                         { "period", "u" }),
 425                         NULL, register_counter) },
 426         { GDBUS_METHOD("UnregisterCounter",
 427                         GDBUS_ARGS({ "path", "o" }), NULL,
 428                         unregister_counter) },
 429         { GDBUS_ASYNC_METHOD("CreateSession",
 430                         GDBUS_ARGS({ "settings", "a{sv}" },
 431                                                 { "notifier", "o" }),
 432                         GDBUS_ARGS({ "session", "o" }),
 433                         create_session) },
 434         { GDBUS_METHOD("DestroySession",
 435                         GDBUS_ARGS({ "session", "o" }), NULL,
 436                         destroy_session) },
 437         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 438                               NULL, GDBUS_ARGS({ "path", "o" },
 439                                                { "settings", "a{sv}" },
 440                                                { "socket", "h" }),
 441                               request_private_network) },
 442         { GDBUS_METHOD("ReleasePrivateNetwork",
 443                         GDBUS_ARGS({ "path", "o" }), NULL,
 444                         release_private_network) },
 445         { },
 446 };
 447
 448 static const GDBusSignalTable manager_signals[] = {
 449         { GDBUS_SIGNAL("PropertyChanged",
 450                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 451         { GDBUS_SIGNAL("TechnologyAdded",
 452                         GDBUS_ARGS({ "path", "o" },
 453                                    { "properties", "a{sv}" })) },
 454         { GDBUS_SIGNAL("TechnologyRemoved",
 455                         GDBUS_ARGS({ "path", "o" })) },
 456         { GDBUS_SIGNAL("ServicesChanged",
 457                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 458                                         { "removed", "ao" })) },
 459         { },
 460 };
 461
 462 int __connman_manager_init(void)
 463 {
 464         DBG("");
 465
 466         connection = connman_dbus_get_connection();
 467         if (connection == NULL)
 468                 return -1;
 469
 470         if (connman_notifier_register(&technology_notifier) < 0)
 471                 connman_error("Failed to register technology notifier");
 472
 473         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 474                                         CONNMAN_MANAGER_INTERFACE,
 475                                         manager_methods,
 476                                         manager_signals, NULL, NULL, NULL);
 477
 478         connman_state_idle = TRUE;
 479
 480         return 0;
 481 }
 482
 483 void __connman_manager_cleanup(void)
 484 {
 485         DBG("");
 486
 487         if (connection == NULL)
 488                 return;
 489
 490         if (session_mode_pending != NULL)
 491                 dbus_message_unref(session_mode_pending);
 492
 493         connman_notifier_unregister(&technology_notifier);
 494
 495         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 496                                                 CONNMAN_MANAGER_INTERFACE);
 497
 498         dbus_connection_unref(connection);
 499 }