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(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                 if (err == -EINPROGRESS) {
 240                         connman_error("Invalid return code from connect");
 241                         err = -EINVAL;
 242                 }
 243
 244                 return __connman_error_failed(msg, -err);
 245         }
 246
 247         return NULL;
 248 }
 249
 250 static DBusMessage *register_agent(DBusConnection *conn,
 251                                         DBusMessage *msg, void *data)
 252 {
 253         const char *sender, *path;
 254         int err;
 255
 256         DBG("conn %p", conn);
 257
 258         sender = dbus_message_get_sender(msg);
 259
 260         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 261                                                         DBUS_TYPE_INVALID);
 262
 263         err = connman_agent_register(sender, path);
 264         if (err < 0)
 265                 return __connman_error_failed(msg, -err);
 266
 267         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 268 }
 269
 270 static DBusMessage *unregister_agent(DBusConnection *conn,
 271                                         DBusMessage *msg, void *data)
 272 {
 273         const char *sender, *path;
 274         int err;
 275
 276         DBG("conn %p", conn);
 277
 278         sender = dbus_message_get_sender(msg);
 279
 280         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 281                                                         DBUS_TYPE_INVALID);
 282
 283         err = connman_agent_unregister(sender, path);
 284         if (err < 0)
 285                 return __connman_error_failed(msg, -err);
 286
 287         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 288 }
 289
 290 static DBusMessage *register_counter(DBusConnection *conn,
 291                                         DBusMessage *msg, void *data)
 292 {
 293         const char *sender, *path;
 294         unsigned int accuracy, period;
 295         int err;
 296
 297         DBG("conn %p", conn);
 298
 299         sender = dbus_message_get_sender(msg);
 300
 301         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 302                                                 DBUS_TYPE_UINT32, &accuracy,
 303                                                 DBUS_TYPE_UINT32, &period,
 304                                                         DBUS_TYPE_INVALID);
 305
 306         /* FIXME: add handling of accuracy parameter */
 307
 308         err = __connman_counter_register(sender, path, period);
 309         if (err < 0)
 310                 return __connman_error_failed(msg, -err);
 311
 312         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 313 }
 314
 315 static DBusMessage *unregister_counter(DBusConnection *conn,
 316                                         DBusMessage *msg, void *data)
 317 {
 318         const char *sender, *path;
 319         int err;
 320
 321         DBG("conn %p", conn);
 322
 323         sender = dbus_message_get_sender(msg);
 324
 325         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 326                                                         DBUS_TYPE_INVALID);
 327
 328         err = __connman_counter_unregister(sender, path);
 329         if (err < 0)
 330                 return __connman_error_failed(msg, -err);
 331
 332         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 333 }
 334
 335 static DBusMessage *create_session(DBusConnection *conn,
 336                                         DBusMessage *msg, void *data)
 337 {
 338         int err;
 339
 340         DBG("conn %p", conn);
 341
 342         err = __connman_session_create(msg);
 343         if (err < 0) {
 344                 if (err == -EINPROGRESS)
 345                         return NULL;
 346
 347                 return __connman_error_failed(msg, -err);
 348         }
 349
 350         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 351 }
 352
 353 static DBusMessage *destroy_session(DBusConnection *conn,
 354                                         DBusMessage *msg, void *data)
 355 {
 356         int err;
 357
 358         DBG("conn %p", conn);
 359
 360         err = __connman_session_destroy(msg);
 361         if (err < 0)
 362                 return __connman_error_failed(msg, -err);
 363
 364         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 365 }
 366
 367 static DBusMessage *request_private_network(DBusConnection *conn,
 368                                         DBusMessage *msg, void *data)
 369 {
 370         const char *sender;
 371         int  err;
 372
 373         DBG("conn %p", conn);
 374
 375         sender = dbus_message_get_sender(msg);
 376
 377         err = __connman_private_network_request(msg, sender);
 378         if (err < 0)
 379                 return __connman_error_failed(msg, -err);
 380
 381         return NULL;
 382 }
 383
 384 static DBusMessage *release_private_network(DBusConnection *conn,
 385                                         DBusMessage *msg, void *data)
 386 {
 387         const char *path;
 388         int err;
 389
 390         DBG("conn %p", conn);
 391
 392         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 393                                                         DBUS_TYPE_INVALID);
 394
 395         err = __connman_private_network_release(path);
 396         if (err < 0)
 397                 return __connman_error_failed(msg, -err);
 398
 399         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 400 }
 401
 402 static const GDBusMethodTable manager_methods[] = {
 403         { GDBUS_METHOD("GetProperties",
 404                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 405                         get_properties) },
 406         { GDBUS_ASYNC_METHOD("SetProperty",
 407                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 408                         NULL, set_property) },
 409         { GDBUS_METHOD("GetTechnologies",
 410                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 411                         get_technologies) },
 412         { GDBUS_DEPRECATED_METHOD("RemoveProvider",
 413                         GDBUS_ARGS({ "provider", "o" }), NULL,
 414                         remove_provider) },
 415         { GDBUS_METHOD("GetServices",
 416                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 417                         get_services) },
 418         { GDBUS_DEPRECATED_ASYNC_METHOD("ConnectProvider",
 419                               GDBUS_ARGS({ "provider", "a{sv}" }),
 420                               GDBUS_ARGS({ "path", "o" }),
 421                               connect_provider) },
 422         { GDBUS_METHOD("RegisterAgent",
 423                         GDBUS_ARGS({ "path", "o" }), NULL,
 424                         register_agent) },
 425         { GDBUS_METHOD("UnregisterAgent",
 426                         GDBUS_ARGS({ "path", "o" }), NULL,
 427                         unregister_agent) },
 428         { GDBUS_METHOD("RegisterCounter",
 429                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 430                                         { "period", "u" }),
 431                         NULL, register_counter) },
 432         { GDBUS_METHOD("UnregisterCounter",
 433                         GDBUS_ARGS({ "path", "o" }), NULL,
 434                         unregister_counter) },
 435         { GDBUS_ASYNC_METHOD("CreateSession",
 436                         GDBUS_ARGS({ "settings", "a{sv}" },
 437                                                 { "notifier", "o" }),
 438                         GDBUS_ARGS({ "session", "o" }),
 439                         create_session) },
 440         { GDBUS_METHOD("DestroySession",
 441                         GDBUS_ARGS({ "session", "o" }), NULL,
 442                         destroy_session) },
 443         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 444                               NULL, GDBUS_ARGS({ "path", "o" },
 445                                                { "settings", "a{sv}" },
 446                                                { "socket", "h" }),
 447                               request_private_network) },
 448         { GDBUS_METHOD("ReleasePrivateNetwork",
 449                         GDBUS_ARGS({ "path", "o" }), NULL,
 450                         release_private_network) },
 451         { },
 452 };
 453
 454 static const GDBusSignalTable manager_signals[] = {
 455         { GDBUS_SIGNAL("PropertyChanged",
 456                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 457         { GDBUS_SIGNAL("TechnologyAdded",
 458                         GDBUS_ARGS({ "path", "o" },
 459                                    { "properties", "a{sv}" })) },
 460         { GDBUS_SIGNAL("TechnologyRemoved",
 461                         GDBUS_ARGS({ "path", "o" })) },
 462         { GDBUS_SIGNAL("ServicesChanged",
 463                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 464                                         { "removed", "ao" })) },
 465         { },
 466 };
 467
 468 int __connman_manager_init(void)
 469 {
 470         DBG("");
 471
 472         connection = connman_dbus_get_connection();
 473         if (connection == NULL)
 474                 return -1;
 475
 476         if (connman_notifier_register(&technology_notifier) < 0)
 477                 connman_error("Failed to register technology notifier");
 478
 479         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 480                                         CONNMAN_MANAGER_INTERFACE,
 481                                         manager_methods,
 482                                         manager_signals, NULL, NULL, NULL);
 483
 484         connman_state_idle = TRUE;
 485
 486         return 0;
 487 }
 488
 489 void __connman_manager_cleanup(void)
 490 {
 491         DBG("");
 492
 493         if (connection == NULL)
 494                 return;
 495
 496         if (session_mode_pending != NULL)
 497                 dbus_message_unref(session_mode_pending);
 498
 499         connman_notifier_unregister(&technology_notifier);
 500
 501         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 502                                                 CONNMAN_MANAGER_INTERFACE);
 503
 504         dbus_connection_unref(connection);
 505 }