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 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 *connect_provider(DBusConnection *conn,
 218                                         DBusMessage *msg, void *data)
 219 {
 220         int err;
 221
 222         DBG("conn %p", conn);
 223
 224         err = __connman_provider_create_and_connect(msg);
 225         if (err < 0)
 226                 return __connman_error_failed(msg, -err);
 227
 228         return NULL;
 229 }
 230
 231 static DBusMessage *register_agent(DBusConnection *conn,
 232                                         DBusMessage *msg, void *data)
 233 {
 234         const char *sender, *path;
 235         int err;
 236
 237         DBG("conn %p", conn);
 238
 239         sender = dbus_message_get_sender(msg);
 240
 241         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 242                                                         DBUS_TYPE_INVALID);
 243
 244         err = connman_agent_register(sender, path);
 245         if (err < 0)
 246                 return __connman_error_failed(msg, -err);
 247
 248         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 249 }
 250
 251 static DBusMessage *unregister_agent(DBusConnection *conn,
 252                                         DBusMessage *msg, void *data)
 253 {
 254         const char *sender, *path;
 255         int err;
 256
 257         DBG("conn %p", conn);
 258
 259         sender = dbus_message_get_sender(msg);
 260
 261         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 262                                                         DBUS_TYPE_INVALID);
 263
 264         err = connman_agent_unregister(sender, path);
 265         if (err < 0)
 266                 return __connman_error_failed(msg, -err);
 267
 268         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 269 }
 270
 271 static DBusMessage *register_counter(DBusConnection *conn,
 272                                         DBusMessage *msg, void *data)
 273 {
 274         const char *sender, *path;
 275         unsigned int accuracy, period;
 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_UINT32, &accuracy,
 284                                                 DBUS_TYPE_UINT32, &period,
 285                                                         DBUS_TYPE_INVALID);
 286
 287         /* FIXME: add handling of accuracy parameter */
 288
 289         err = __connman_counter_register(sender, path, period);
 290         if (err < 0)
 291                 return __connman_error_failed(msg, -err);
 292
 293         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 294 }
 295
 296 static DBusMessage *unregister_counter(DBusConnection *conn,
 297                                         DBusMessage *msg, void *data)
 298 {
 299         const char *sender, *path;
 300         int err;
 301
 302         DBG("conn %p", conn);
 303
 304         sender = dbus_message_get_sender(msg);
 305
 306         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 307                                                         DBUS_TYPE_INVALID);
 308
 309         err = __connman_counter_unregister(sender, path);
 310         if (err < 0)
 311                 return __connman_error_failed(msg, -err);
 312
 313         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 314 }
 315
 316 static DBusMessage *create_session(DBusConnection *conn,
 317                                         DBusMessage *msg, void *data)
 318 {
 319         int err;
 320
 321         DBG("conn %p", conn);
 322
 323         err = __connman_session_create(msg);
 324         if (err < 0) {
 325                 if (err == -EINPROGRESS)
 326                         return NULL;
 327
 328                 return __connman_error_failed(msg, -err);
 329         }
 330
 331         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 332 }
 333
 334 static DBusMessage *destroy_session(DBusConnection *conn,
 335                                         DBusMessage *msg, void *data)
 336 {
 337         int err;
 338
 339         DBG("conn %p", conn);
 340
 341         err = __connman_session_destroy(msg);
 342         if (err < 0)
 343                 return __connman_error_failed(msg, -err);
 344
 345         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 346 }
 347
 348 static DBusMessage *request_private_network(DBusConnection *conn,
 349                                         DBusMessage *msg, void *data)
 350 {
 351         const char *sender;
 352         int  err;
 353
 354         DBG("conn %p", conn);
 355
 356         sender = dbus_message_get_sender(msg);
 357
 358         err = __connman_private_network_request(msg, sender);
 359         if (err < 0)
 360                 return __connman_error_failed(msg, -err);
 361
 362         return NULL;
 363 }
 364
 365 static DBusMessage *release_private_network(DBusConnection *conn,
 366                                         DBusMessage *msg, void *data)
 367 {
 368         const char *path;
 369         int err;
 370
 371         DBG("conn %p", conn);
 372
 373         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 374                                                         DBUS_TYPE_INVALID);
 375
 376         err = __connman_private_network_release(path);
 377         if (err < 0)
 378                 return __connman_error_failed(msg, -err);
 379
 380         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 381 }
 382
 383 static const GDBusMethodTable manager_methods[] = {
 384         { GDBUS_METHOD("GetProperties",
 385                         NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
 386                         get_properties) },
 387         { GDBUS_ASYNC_METHOD("SetProperty",
 388                         GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 389                         NULL, set_property) },
 390         { GDBUS_METHOD("GetTechnologies",
 391                         NULL, GDBUS_ARGS({ "technologies", "a(oa{sv})" }),
 392                         get_technologies) },
 393         { GDBUS_DEPRECATED_METHOD("RemoveProvider",
 394                         GDBUS_ARGS({ "provider", "o" }), NULL,
 395                         remove_provider) },
 396         { GDBUS_METHOD("GetServices",
 397                         NULL, GDBUS_ARGS({ "services", "a(oa{sv})" }),
 398                         get_services) },
 399         { GDBUS_METHOD("GetPeers",
 400                         NULL, GDBUS_ARGS({ "peers", "a(oa{sv})" }),
 401                         get_peers) },
 402         { GDBUS_DEPRECATED_ASYNC_METHOD("ConnectProvider",
 403                               GDBUS_ARGS({ "provider", "a{sv}" }),
 404                               GDBUS_ARGS({ "path", "o" }),
 405                               connect_provider) },
 406         { GDBUS_METHOD("RegisterAgent",
 407                         GDBUS_ARGS({ "path", "o" }), NULL,
 408                         register_agent) },
 409         { GDBUS_METHOD("UnregisterAgent",
 410                         GDBUS_ARGS({ "path", "o" }), NULL,
 411                         unregister_agent) },
 412         { GDBUS_METHOD("RegisterCounter",
 413                         GDBUS_ARGS({ "path", "o" }, { "accuracy", "u" },
 414                                         { "period", "u" }),
 415                         NULL, register_counter) },
 416         { GDBUS_METHOD("UnregisterCounter",
 417                         GDBUS_ARGS({ "path", "o" }), NULL,
 418                         unregister_counter) },
 419         { GDBUS_ASYNC_METHOD("CreateSession",
 420                         GDBUS_ARGS({ "settings", "a{sv}" },
 421                                                 { "notifier", "o" }),
 422                         GDBUS_ARGS({ "session", "o" }),
 423                         create_session) },
 424         { GDBUS_METHOD("DestroySession",
 425                         GDBUS_ARGS({ "session", "o" }), NULL,
 426                         destroy_session) },
 427         { GDBUS_ASYNC_METHOD("RequestPrivateNetwork",
 428                               NULL, GDBUS_ARGS({ "path", "o" },
 429                                                { "settings", "a{sv}" },
 430                                                { "socket", "h" }),
 431                               request_private_network) },
 432         { GDBUS_METHOD("ReleasePrivateNetwork",
 433                         GDBUS_ARGS({ "path", "o" }), NULL,
 434                         release_private_network) },
 435         { },
 436 };
 437
 438 static const GDBusSignalTable manager_signals[] = {
 439         { GDBUS_SIGNAL("PropertyChanged",
 440                         GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
 441         { GDBUS_SIGNAL("TechnologyAdded",
 442                         GDBUS_ARGS({ "path", "o" },
 443                                    { "properties", "a{sv}" })) },
 444         { GDBUS_SIGNAL("TechnologyRemoved",
 445                         GDBUS_ARGS({ "path", "o" })) },
 446         { GDBUS_SIGNAL("ServicesChanged",
 447                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 448                                         { "removed", "ao" })) },
 449         { GDBUS_SIGNAL("PeersChanged",
 450                         GDBUS_ARGS({ "changed", "a(oa{sv})" },
 451                                         { "removed", "ao" })) },
 452         { },
 453 };
 454
 455 int __connman_manager_init(void)
 456 {
 457         DBG("");
 458
 459         connection = connman_dbus_get_connection();
 460         if (!connection)
 461                 return -1;
 462
 463         if (connman_notifier_register(&technology_notifier) < 0)
 464                 connman_error("Failed to register technology notifier");
 465
 466         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 467                                         CONNMAN_MANAGER_INTERFACE,
 468                                         manager_methods,
 469                                         manager_signals, NULL, NULL, NULL);
 470
 471         connman_state_idle = true;
 472
 473         return 0;
 474 }
 475
 476 void __connman_manager_cleanup(void)
 477 {
 478         DBG("");
 479
 480         if (!connection)
 481                 return;
 482
 483         connman_notifier_unregister(&technology_notifier);
 484
 485         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 486                                                 CONNMAN_MANAGER_INTERFACE);
 487
 488         dbus_connection_unref(connection);
 489 }