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.h"
  31
  32 static connman_bool_t connman_state_idle;
  33 static DBusMessage *session_mode_pending = NULL;
  34
  35 static DBusMessage *get_properties(DBusConnection *conn,
  36                                         DBusMessage *msg, void *data)
  37 {
  38         DBusMessage *reply;
  39         DBusMessageIter array, dict;
  40         connman_bool_t offlinemode, sessionmode;
  41         const char *str;
  42
  43         DBG("conn %p", conn);
  44
  45         reply = dbus_message_new_method_return(msg);
  46         if (reply == NULL)
  47                 return NULL;
  48
  49         dbus_message_iter_init_append(reply, &array);
  50
  51         connman_dbus_dict_open(&array, &dict);
  52
  53         str = __connman_notifier_get_state();
  54         connman_dbus_dict_append_basic(&dict, "State",
  55                                                 DBUS_TYPE_STRING, &str);
  56
  57         offlinemode = __connman_technology_get_offlinemode();
  58         connman_dbus_dict_append_basic(&dict, "OfflineMode",
  59                                         DBUS_TYPE_BOOLEAN, &offlinemode);
  60
  61         sessionmode = __connman_session_mode();
  62         connman_dbus_dict_append_basic(&dict, "SessionMode",
  63                                         DBUS_TYPE_BOOLEAN,
  64                                         &sessionmode);
  65
  66         connman_dbus_dict_close(&array, &dict);
  67
  68         return reply;
  69 }
  70
  71 static DBusMessage *set_property(DBusConnection *conn,
  72                                         DBusMessage *msg, void *data)
  73 {
  74         DBusMessageIter iter, value;
  75         const char *name;
  76         int type;
  77
  78         DBG("conn %p", conn);
  79
  80         if (dbus_message_iter_init(msg, &iter) == FALSE)
  81                 return __connman_error_invalid_arguments(msg);
  82
  83         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
  84                 return __connman_error_invalid_arguments(msg);
  85
  86         dbus_message_iter_get_basic(&iter, &name);
  87         dbus_message_iter_next(&iter);
  88
  89         if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
  90                 return __connman_error_invalid_arguments(msg);
  91
  92         dbus_message_iter_recurse(&iter, &value);
  93
  94         type = dbus_message_iter_get_arg_type(&value);
  95
  96         if (g_str_equal(name, "OfflineMode") == TRUE) {
  97                 connman_bool_t offlinemode;
  98
  99                 if (type != DBUS_TYPE_BOOLEAN)
 100                         return __connman_error_invalid_arguments(msg);
 101
 102                 dbus_message_iter_get_basic(&value, &offlinemode);
 103
 104                 __connman_technology_set_offlinemode(offlinemode);
 105         } else if (g_str_equal(name, "SessionMode") == TRUE) {
 106                 connman_bool_t 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                 if (session_mode_pending != NULL)
 114                         return __connman_error_in_progress(msg);
 115
 116                 __connman_session_set_mode(sessionmode);
 117
 118                 if (sessionmode == TRUE && connman_state_idle == FALSE) {
 119                         session_mode_pending = dbus_message_ref(msg);
 120                         return NULL;
 121                 }
 122
 123         } else
 124                 return __connman_error_invalid_property(msg);
 125
 126         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 127 }
 128
 129 static void append_technology_structs(DBusMessageIter *iter, void *user_data)
 130 {
 131         __connman_technology_list_struct(iter);
 132 }
 133
 134 static DBusMessage *get_technologies(DBusConnection *conn,
 135                 DBusMessage *msg, void *data)
 136 {
 137         DBusMessage *reply;
 138
 139         DBG("");
 140
 141         reply = dbus_message_new_method_return(msg);
 142         if (reply == NULL)
 143                 return NULL;
 144
 145         __connman_dbus_append_objpath_dict_array(reply,
 146                         append_technology_structs, NULL);
 147
 148         return reply;
 149 }
 150
 151 static DBusMessage *remove_provider(DBusConnection *conn,
 152                                     DBusMessage *msg, void *data)
 153 {
 154         const char *path;
 155         int err;
 156
 157         DBG("conn %p", conn);
 158
 159         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 160                                                         DBUS_TYPE_INVALID);
 161
 162         err = __connman_provider_remove(path);
 163         if (err < 0)
 164                 return __connman_error_failed(msg, -err);
 165
 166         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 167 }
 168
 169 static DBusConnection *connection = NULL;
 170
 171 static void session_mode_notify(void)
 172 {
 173         DBusMessage *reply;
 174
 175         reply = g_dbus_create_reply(session_mode_pending, DBUS_TYPE_INVALID);
 176         g_dbus_send_message(connection, reply);
 177
 178         dbus_message_unref(session_mode_pending);
 179         session_mode_pending = NULL;
 180 }
 181
 182 static void idle_state(connman_bool_t idle)
 183 {
 184
 185         DBG("idle %d", idle);
 186
 187         connman_state_idle = idle;
 188
 189         if (connman_state_idle == FALSE || session_mode_pending == NULL)
 190                 return;
 191
 192         session_mode_notify();
 193 }
 194
 195 static struct connman_notifier technology_notifier = {
 196         .name           = "manager",
 197         .priority       = CONNMAN_NOTIFIER_PRIORITY_HIGH,
 198         .idle_state     = idle_state,
 199 };
 200
 201 static void append_service_structs(DBusMessageIter *iter, void *user_data)
 202 {
 203         __connman_service_list_struct(iter);
 204 }
 205
 206 static DBusMessage *get_services(DBusConnection *conn,
 207                                         DBusMessage *msg, void *data)
 208 {
 209         DBusMessage *reply;
 210
 211         reply = dbus_message_new_method_return(msg);
 212         if (reply == NULL)
 213                 return NULL;
 214
 215         __connman_dbus_append_objpath_dict_array(reply,
 216                         append_service_structs, NULL);
 217
 218         return reply;
 219 }
 220
 221 static DBusMessage *connect_provider(DBusConnection *conn,
 222                                         DBusMessage *msg, void *data)
 223 {
 224         int err;
 225
 226         DBG("conn %p", conn);
 227
 228         if (__connman_session_mode() == TRUE) {
 229                 connman_info("Session mode enabled: "
 230                                 "direct provider connect disabled");
 231
 232                 return __connman_error_failed(msg, EINVAL);
 233         }
 234
 235         err = __connman_provider_create_and_connect(msg);
 236         if (err < 0) {
 237                 if (err == -EINPROGRESS) {
 238                         connman_error("Invalid return code from connect");
 239                         err = -EINVAL;
 240                 }
 241
 242                 return __connman_error_failed(msg, -err);
 243         }
 244
 245         return NULL;
 246 }
 247
 248 static DBusMessage *register_agent(DBusConnection *conn,
 249                                         DBusMessage *msg, void *data)
 250 {
 251         const char *sender, *path;
 252         int err;
 253
 254         DBG("conn %p", conn);
 255
 256         sender = dbus_message_get_sender(msg);
 257
 258         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 259                                                         DBUS_TYPE_INVALID);
 260
 261         err = __connman_agent_register(sender, path);
 262         if (err < 0)
 263                 return __connman_error_failed(msg, -err);
 264
 265         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 266 }
 267
 268 static DBusMessage *unregister_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_unregister(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 *register_counter(DBusConnection *conn,
 289                                         DBusMessage *msg, void *data)
 290 {
 291         const char *sender, *path;
 292         unsigned int accuracy, period;
 293         int err;
 294
 295         DBG("conn %p", conn);
 296
 297         sender = dbus_message_get_sender(msg);
 298
 299         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 300                                                 DBUS_TYPE_UINT32, &accuracy,
 301                                                 DBUS_TYPE_UINT32, &period,
 302                                                         DBUS_TYPE_INVALID);
 303
 304         /* FIXME: add handling of accuracy parameter */
 305
 306         err = __connman_counter_register(sender, path, period);
 307         if (err < 0)
 308                 return __connman_error_failed(msg, -err);
 309
 310         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 311 }
 312
 313 static DBusMessage *unregister_counter(DBusConnection *conn,
 314                                         DBusMessage *msg, void *data)
 315 {
 316         const char *sender, *path;
 317         int err;
 318
 319         DBG("conn %p", conn);
 320
 321         sender = dbus_message_get_sender(msg);
 322
 323         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 324                                                         DBUS_TYPE_INVALID);
 325
 326         err = __connman_counter_unregister(sender, path);
 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 *create_session(DBusConnection *conn,
 334                                         DBusMessage *msg, void *data)
 335 {
 336         int err;
 337
 338         DBG("conn %p", conn);
 339
 340         err = __connman_session_create(msg);
 341         if (err < 0) {
 342                 if (err == -EINPROGRESS)
 343                         return NULL;
 344
 345                 return __connman_error_failed(msg, -err);
 346         }
 347
 348         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 349 }
 350
 351 static DBusMessage *destroy_session(DBusConnection *conn,
 352                                         DBusMessage *msg, void *data)
 353 {
 354         int err;
 355
 356         DBG("conn %p", conn);
 357
 358         err = __connman_session_destroy(msg);
 359         if (err < 0)
 360                 return __connman_error_failed(msg, -err);
 361
 362         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 363 }
 364
 365 static DBusMessage *request_private_network(DBusConnection *conn,
 366                                         DBusMessage *msg, void *data)
 367 {
 368         const char *sender;
 369         int  err;
 370
 371         DBG("conn %p", conn);
 372
 373         sender = dbus_message_get_sender(msg);
 374
 375         err = __connman_private_network_request(msg, sender);
 376         if (err < 0)
 377                 return __connman_error_failed(msg, -err);
 378
 379         return NULL;
 380 }
 381
 382 static DBusMessage *release_private_network(DBusConnection *conn,
 383                                         DBusMessage *msg, void *data)
 384 {
 385         const char *path;
 386         int err;
 387
 388         DBG("conn %p", conn);
 389
 390         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 391                                                         DBUS_TYPE_INVALID);
 392
 393         err = __connman_private_network_release(path);
 394         if (err < 0)
 395                 return __connman_error_failed(msg, -err);
 396
 397         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 398 }
 399
 400 static const GDBusMethodTable manager_methods[] = {
 401         { GDBUS_METHOD("GetProperties",
 402                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 403                         get_properties) },
 404         { GDBUS_ASYNC_METHOD("SetProperty",
 405                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 406                         NULL, set_property) },
 407         { GDBUS_METHOD("GetTechnologies",
 408                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 409                         get_technologies) },
 410         { GDBUS_METHOD("RemoveProvider",
 411                         GDBUS_ARGS({ "provider", "o" }), NULL,
 412                         remove_provider) },
 413         { GDBUS_METHOD("GetServices",
 414                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 415                         get_services) },
 416         { GDBUS_ASYNC_METHOD("ConnectProvider",
 417                               GDBUS_ARGS({ "provider", "a{sv}" }),
 418                               GDBUS_ARGS({ "path", "o" }),
 419                               connect_provider) },
 420         { GDBUS_METHOD("RegisterAgent",
 421                         GDBUS_ARGS({ "path", "o" }), NULL,
 422                         register_agent) },
 423         { GDBUS_METHOD("UnregisterAgent",
 424                         GDBUS_ARGS({ "path", "o" }), NULL,
 425                         unregister_agent) },
 426         { GDBUS_METHOD("RegisterCounter",
 427                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 428                                         { "period", "u" }),
 429                         NULL, register_counter) },
 430         { GDBUS_METHOD("UnregisterCounter",
 431                         GDBUS_ARGS({ "path", "o" }), NULL,
 432                         unregister_counter) },
 433         { GDBUS_ASYNC_METHOD("CreateSession",
 434                         GDBUS_ARGS({ "settings", "a{sv}" },
 435                                                 { "notifier", "o" }),
 436                         GDBUS_ARGS({ "session", "o" }),
 437                         create_session) },
 438         { GDBUS_METHOD("DestroySession",
 439                         GDBUS_ARGS({ "session", "o" }), NULL,
 440                         destroy_session) },
 441         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 442                               NULL, GDBUS_ARGS({ "path", "o" },
 443                                                { "settings", "a{sv}" },
 444                                                { "socket", "h" }),
 445                               request_private_network) },
 446         { GDBUS_METHOD("ReleasePrivateNetwork",
 447                         GDBUS_ARGS({ "path", "o" }), NULL,
 448                         release_private_network) },
 449         { },
 450 };
 451
 452 static const GDBusSignalTable manager_signals[] = {
 453         { GDBUS_SIGNAL("PropertyChanged",
 454                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 455         { GDBUS_SIGNAL("TechnologyAdded",
 456                         GDBUS_ARGS({ "path", "o" },
 457                                    { "properties", "a{sv}" })) },
 458         { GDBUS_SIGNAL("TechnologyRemoved",
 459                         GDBUS_ARGS({ "path", "o" })) },
 460         { GDBUS_SIGNAL("ServicesChanged",
 461                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 462                                         { "removed", "ao" })) },
 463         { },
 464 };
 465
 466 int __connman_manager_init(void)
 467 {
 468         DBG("");
 469
 470         connection = connman_dbus_get_connection();
 471         if (connection == NULL)
 472                 return -1;
 473
 474         if (connman_notifier_register(&technology_notifier) < 0)
 475                 connman_error("Failed to register technology notifier");
 476
 477         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 478                                         CONNMAN_MANAGER_INTERFACE,
 479                                         manager_methods,
 480                                         manager_signals, NULL, NULL, NULL);
 481
 482         connman_state_idle = TRUE;
 483
 484         return 0;
 485 }
 486
 487 void __connman_manager_cleanup(void)
 488 {
 489         DBG("");
 490
 491         if (connection == NULL)
 492                 return;
 493
 494         if (session_mode_pending != NULL)
 495                 dbus_message_unref(session_mode_pending);
 496
 497         connman_notifier_unregister(&technology_notifier);
 498
 499         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 500                                                 CONNMAN_MANAGER_INTERFACE);
 501
 502         dbus_connection_unref(connection);
 503 }