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 = 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                 return __connman_error_failed(msg, -err);
 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         { "GetProperties",     "",      "a{sv}", get_properties     },
 398         { "SetProperty",       "sv",    "",      set_property,
 399                                                 G_DBUS_METHOD_FLAG_ASYNC },
 400         { "GetTechnologies",   "",      "a(oa{sv})", get_technologies   },
 401         { "RemoveProvider",    "o",     "",      remove_provider    },
 402         { "GetServices",       "",      "a(oa{sv})", get_services   },
 403         { "ConnectProvider",   "a{sv}", "o",     connect_provider,
 404                                                 G_DBUS_METHOD_FLAG_ASYNC },
 405         { "RegisterAgent",     "o",     "",      register_agent     },
 406         { "UnregisterAgent",   "o",     "",      unregister_agent   },
 407         { "RegisterCounter",   "ouu",   "",      register_counter   },
 408         { "UnregisterCounter", "o",     "",      unregister_counter },
 409         { "CreateSession",     "a{sv}o", "o",    create_session     },
 410         { "DestroySession",    "o",     "",      destroy_session    },
 411         { "RequestPrivateNetwork",    "",     "oa{sv}h",
 412                                                 request_private_network,
 413                                                 G_DBUS_METHOD_FLAG_ASYNC },
 414         { "ReleasePrivateNetwork",    "o",    "",
 415                                                 release_private_network },
 416         { },
 417 };
 418
 419 static GDBusSignalTable manager_signals[] = {
 420         { "PropertyChanged", "sv" },
 421         { "TechnologyAdded", "oa{sv}" },
 422         { "TechnologyRemoved", "o" },
 423         { "ServicesChanged",   "a(oa{sv})ao" },
 424         { },
 425 };
 426
 427 int __connman_manager_init(void)
 428 {
 429         DBG("");
 430
 431         connection = connman_dbus_get_connection();
 432         if (connection == NULL)
 433                 return -1;
 434
 435         if (connman_notifier_register(&technology_notifier) < 0)
 436                 connman_error("Failed to register technology notifier");
 437
 438         g_dbus_register_interface(connection, CONNMAN_MANAGER_PATH,
 439                                         CONNMAN_MANAGER_INTERFACE,
 440                                         manager_methods,
 441                                         manager_signals, NULL, NULL, NULL);
 442
 443         connman_state_idle = TRUE;
 444
 445         return 0;
 446 }
 447
 448 void __connman_manager_cleanup(void)
 449 {
 450         DBG("");
 451
 452         if (connection == NULL)
 453                 return;
 454
 455         connman_notifier_unregister(&technology_notifier);
 456
 457         g_dbus_unregister_interface(connection, CONNMAN_MANAGER_PATH,
 458                                                 CONNMAN_MANAGER_INTERFACE);
 459
 460         dbus_connection_unref(connection);
 461 }