src/session.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *  Copyright (C) 2011  BWM CarIT GmbH. All rights reserved.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License version 2 as
  10  *  published by the Free Software Foundation.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  *
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <gdbus.h>
  28
  29 #include "connman.h"
  30
  31 static DBusConnection *connection;
  32 static GHashTable *session_hash;
  33 static connman_bool_t sessionmode;
  34
  35 enum connman_session_roaming_policy {
  36         CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN          = 0,
  37         CONNMAN_SESSION_ROAMING_POLICY_DEFAULT          = 1,
  38         CONNMAN_SESSION_ROAMING_POLICY_ALWAYS           = 2,
  39         CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN        = 3,
  40         CONNMAN_SESSION_ROAMING_POLICY_NATIONAL         = 4,
  41         CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL    = 5,
  42 };
  43
  44 struct connman_session {
  45         char *owner;
  46         char *session_path;
  47         char *notify_path;
  48         guint notify_watch;
  49
  50         char *bearer;
  51         const char *name;
  52         char *ifname;
  53         connman_bool_t online;
  54         connman_bool_t priority;
  55         GSList *allowed_bearers;
  56         connman_bool_t avoid_handover;
  57         connman_bool_t stay_connected;
  58         unsigned int periodic_connect;
  59         unsigned int idle_timeout;
  60         connman_bool_t ecall;
  61         enum connman_session_roaming_policy roaming_policy;
  62         unsigned int marker;
  63
  64         GSequence *service_list;
  65         struct connman_service *service;
  66 };
  67
  68 struct bearer_info {
  69         char *name;
  70         connman_bool_t match_all;
  71         enum connman_service_type service_type;
  72 };
  73
  74 static const char *roamingpolicy2string(enum connman_session_roaming_policy policy)
  75 {
  76         switch (policy) {
  77         case CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN:
  78                 break;
  79         case CONNMAN_SESSION_ROAMING_POLICY_DEFAULT:
  80                 return "default";
  81         case CONNMAN_SESSION_ROAMING_POLICY_ALWAYS:
  82                 return "always";
  83         case CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN:
  84                 return "forbidden";
  85         case CONNMAN_SESSION_ROAMING_POLICY_NATIONAL:
  86                 return "national";
  87         case CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL:
  88                 return "international";
  89         }
  90
  91         return NULL;
  92 }
  93
  94 static enum connman_session_roaming_policy string2roamingpolicy(const char *policy)
  95 {
  96         if (g_strcmp0(policy, "default") == 0)
  97                 return CONNMAN_SESSION_ROAMING_POLICY_DEFAULT;
  98         else if (g_strcmp0(policy, "always") == 0)
  99                 return CONNMAN_SESSION_ROAMING_POLICY_ALWAYS;
 100         else if (g_strcmp0(policy, "forbidden") == 0)
 101                 return CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
 102         else if (g_strcmp0(policy, "national") == 0)
 103                 return CONNMAN_SESSION_ROAMING_POLICY_NATIONAL;
 104         else if (g_strcmp0(policy, "international") == 0)
 105                 return CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL;
 106         else
 107                 return CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN;
 108 }
 109
 110 static enum connman_service_type bearer2service(const char *bearer)
 111 {
 112         if (bearer == NULL)
 113                 return CONNMAN_SERVICE_TYPE_UNKNOWN;
 114
 115         if (g_strcmp0(bearer, "ethernet") == 0)
 116                 return CONNMAN_SERVICE_TYPE_ETHERNET;
 117         else if (g_strcmp0(bearer, "wifi") == 0)
 118                 return CONNMAN_SERVICE_TYPE_WIFI;
 119         else if (g_strcmp0(bearer, "wimax") == 0)
 120                 return CONNMAN_SERVICE_TYPE_WIMAX;
 121         else if (g_strcmp0(bearer, "bluetooth") == 0)
 122                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
 123         else if (g_strcmp0(bearer, "3g") == 0)
 124                 return CONNMAN_SERVICE_TYPE_CELLULAR;
 125         else
 126                 return CONNMAN_SERVICE_TYPE_UNKNOWN;
 127 }
 128
 129 static char *service2bearer(enum connman_service_type type)
 130 {
 131         switch (type) {
 132         case CONNMAN_SERVICE_TYPE_ETHERNET:
 133                 return "ethernet";
 134         case CONNMAN_SERVICE_TYPE_WIFI:
 135                 return "wifi";
 136         case CONNMAN_SERVICE_TYPE_WIMAX:
 137                 return "wimax";
 138         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 139                 return "bluetooth";
 140         case CONNMAN_SERVICE_TYPE_CELLULAR:
 141                 return "3g";
 142         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 143         case CONNMAN_SERVICE_TYPE_SYSTEM:
 144         case CONNMAN_SERVICE_TYPE_GPS:
 145         case CONNMAN_SERVICE_TYPE_VPN:
 146         case CONNMAN_SERVICE_TYPE_GADGET:
 147                 return NULL;
 148         }
 149
 150         return NULL;
 151 }
 152
 153 static char *session2bearer(struct connman_session *session)
 154 {
 155         GSList *list;
 156         struct bearer_info *info;
 157         enum connman_service_type type;
 158
 159         if (session->service == NULL)
 160                 return NULL;
 161
 162         type = connman_service_get_type(session->service);
 163
 164         for (list = session->allowed_bearers; list != NULL; list = list->next) {
 165                 info = list->data;
 166
 167                 if (info->match_all)
 168                         return service2bearer(type);
 169
 170                 if (info->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN)
 171                         return info->name;
 172
 173                 if (info->service_type == type)
 174                         return service2bearer(type);
 175         }
 176
 177         return NULL;
 178
 179 }
 180
 181 static void cleanup_bearer_info(gpointer data, gpointer user_data)
 182 {
 183         struct bearer_info *info = data;
 184
 185         g_free(info->name);
 186         g_free(info);
 187 }
 188
 189 static GSList *session_parse_allowed_bearers(DBusMessageIter *iter)
 190 {
 191         struct bearer_info *info;
 192         DBusMessageIter array;
 193         GSList *list = NULL;
 194
 195         dbus_message_iter_recurse(iter, &array);
 196
 197         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
 198                 char *bearer = NULL;
 199
 200                 dbus_message_iter_get_basic(&array, &bearer);
 201
 202                 info = g_try_new0(struct bearer_info, 1);
 203                 if (info == NULL) {
 204                         g_slist_foreach(list, cleanup_bearer_info, NULL);
 205                         g_slist_free(list);
 206
 207                         return NULL;
 208                 }
 209
 210                 info->name = g_strdup(bearer);
 211                 info->service_type = bearer2service(info->name);
 212
 213                 if (info->service_type == CONNMAN_SERVICE_TYPE_UNKNOWN &&
 214                                 g_strcmp0(info->name, "*") == 0) {
 215                         info->match_all = TRUE;
 216                 } else {
 217                         info->match_all = FALSE;
 218                 }
 219
 220                 list = g_slist_append(list, info);
 221
 222                 dbus_message_iter_next(&array);
 223         }
 224
 225         return list;
 226 }
 227
 228 static GSList *session_allowed_bearers_any(void)
 229 {
 230         struct bearer_info *info;
 231         GSList *list = NULL;
 232
 233         info = g_try_new0(struct bearer_info, 1);
 234         if (info == NULL) {
 235                 g_slist_free(list);
 236
 237                 return NULL;
 238         }
 239
 240         info->name = g_strdup("");
 241         info->match_all = TRUE;
 242         info->service_type = CONNMAN_SERVICE_TYPE_UNKNOWN;
 243
 244         list = g_slist_append(list, info);
 245
 246         return list;
 247 }
 248
 249 static void append_allowed_bearers(DBusMessageIter *iter, void *user_data)
 250 {
 251         struct connman_session *session = user_data;
 252         GSList *list;
 253
 254         for (list = session->allowed_bearers; list != NULL; list = list->next) {
 255                 struct bearer_info *info = list->data;
 256
 257                 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
 258                                                 &info->name);
 259         }
 260 }
 261
 262 static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data)
 263 {
 264         struct connman_service *service = user_data;
 265         struct connman_ipconfig *ipconfig_ipv4;
 266
 267         if (service == NULL)
 268                 return;
 269
 270         ipconfig_ipv4 = __connman_service_get_ip4config(service);
 271         if (ipconfig_ipv4 == NULL)
 272                 return;
 273
 274         __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter);
 275 }
 276
 277 static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
 278 {
 279         struct connman_service *service = user_data;
 280         struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
 281
 282         if (service == NULL)
 283                 return;
 284
 285         ipconfig_ipv4 = __connman_service_get_ip4config(service);
 286         ipconfig_ipv6 = __connman_service_get_ip6config(service);
 287         if (ipconfig_ipv6 == NULL)
 288                 return;
 289
 290         __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
 291 }
 292
 293 static void append_service(DBusMessageIter *dict,
 294                                         struct connman_session *session)
 295 {
 296         connman_dbus_dict_append_basic(dict, "Bearer",
 297                                         DBUS_TYPE_STRING, &session->bearer);
 298
 299         connman_dbus_dict_append_basic(dict, "Online",
 300                                         DBUS_TYPE_BOOLEAN, &session->online);
 301
 302         connman_dbus_dict_append_basic(dict, "Name",
 303                                         DBUS_TYPE_STRING, &session->name);
 304
 305         connman_dbus_dict_append_dict(dict, "IPv4",
 306                                         append_ipconfig_ipv4, session->service);
 307
 308         connman_dbus_dict_append_dict(dict, "IPv6",
 309                                         append_ipconfig_ipv6, session->service);
 310
 311         connman_dbus_dict_append_basic(dict, "Interface",
 312                                         DBUS_TYPE_STRING, &session->ifname);
 313
 314 }
 315
 316 static void append_notify_all(DBusMessageIter *dict,
 317                                         struct connman_session *session)
 318 {
 319         const char *policy;
 320
 321         append_service(dict, session);
 322
 323         connman_dbus_dict_append_basic(dict, "Priority",
 324                                         DBUS_TYPE_BOOLEAN, &session->priority);
 325
 326         connman_dbus_dict_append_array(dict, "AllowedBearers",
 327                                         DBUS_TYPE_STRING,
 328                                         append_allowed_bearers,
 329                                         session);
 330
 331         connman_dbus_dict_append_basic(dict, "AvoidHandover",
 332                                         DBUS_TYPE_BOOLEAN,
 333                                         &session->avoid_handover);
 334
 335         connman_dbus_dict_append_basic(dict, "StayConnected",
 336                                         DBUS_TYPE_BOOLEAN,
 337                                         &session->stay_connected);
 338
 339         connman_dbus_dict_append_basic(dict, "PeriodicConnect",
 340                                         DBUS_TYPE_UINT32,
 341                                         &session->periodic_connect);
 342
 343         connman_dbus_dict_append_basic(dict, "IdleTimeout",
 344                                         DBUS_TYPE_UINT32,
 345                                         &session->idle_timeout);
 346
 347         connman_dbus_dict_append_basic(dict, "EmergencyCall",
 348                                         DBUS_TYPE_BOOLEAN, &session->ecall);
 349
 350         policy = roamingpolicy2string(session->roaming_policy);
 351         connman_dbus_dict_append_basic(dict, "RoamingPolicy",
 352                                         DBUS_TYPE_STRING,
 353                                         &policy);
 354
 355         connman_dbus_dict_append_basic(dict, "SessionMarker",
 356                                         DBUS_TYPE_UINT32, &session->marker);
 357 }
 358
 359 static gboolean session_notify_all(gpointer user_data)
 360 {
 361         struct connman_session *session = user_data;
 362         DBusMessage *msg;
 363         DBusMessageIter array, dict;
 364
 365         DBG("session %p owner %s notify_path %s", session,
 366                 session->owner, session->notify_path);
 367
 368         msg = dbus_message_new_method_call(session->owner, session->notify_path,
 369                                                 CONNMAN_NOTIFICATION_INTERFACE,
 370                                                 "Update");
 371         if (msg == NULL) {
 372                 connman_error("Could not create notification message");
 373                 return FALSE;
 374         }
 375
 376         dbus_message_iter_init_append(msg, &array);
 377         connman_dbus_dict_open(&array, &dict);
 378
 379         append_notify_all(&dict, session);
 380
 381         connman_dbus_dict_close(&array, &dict);
 382
 383         g_dbus_send_message(connection, msg);
 384
 385         return FALSE;
 386 }
 387
 388 static gboolean service_changed(gpointer user_data)
 389 {
 390         struct connman_session *session = user_data;
 391
 392
 393         DBusMessage *msg;
 394         DBusMessageIter array, dict;
 395
 396         DBG("session %p owner %s notify_path %s", session,
 397                 session->owner, session->notify_path);
 398
 399         msg = dbus_message_new_method_call(session->owner, session->notify_path,
 400                                                 CONNMAN_NOTIFICATION_INTERFACE,
 401                                                 "Update");
 402         if (msg == NULL) {
 403                 connman_error("Could not create notification message");
 404                 return FALSE;
 405         }
 406
 407         dbus_message_iter_init_append(msg, &array);
 408         connman_dbus_dict_open(&array, &dict);
 409
 410         append_service(&dict, session);
 411
 412         connman_dbus_dict_close(&array, &dict);
 413
 414         g_dbus_send_message(connection, msg);
 415
 416         return FALSE;
 417 }
 418
 419 static void online_changed(struct connman_session *session)
 420 {
 421         connman_dbus_setting_changed_basic(session->owner, session->notify_path,
 422                                                 "Online", DBUS_TYPE_BOOLEAN,
 423                                                 &session->online);
 424 }
 425
 426 static void ipconfig_ipv4_changed(struct connman_session *session)
 427 {
 428         connman_dbus_setting_changed_dict(session->owner, session->notify_path,
 429                                         "IPv4", append_ipconfig_ipv4, session->service);
 430 }
 431
 432 static void ipconfig_ipv6_changed(struct connman_session *session)
 433 {
 434         connman_dbus_setting_changed_dict(session->owner, session->notify_path,
 435                                         "IPv6", append_ipconfig_ipv6, session->service);
 436 }
 437
 438 static void update_service(struct connman_session *session)
 439 {
 440         int idx;
 441
 442         if (session->service != NULL) {
 443                 session->bearer = session2bearer(session);
 444                 session->online =
 445                         __connman_service_is_connected(session->service);
 446                 session->name = __connman_service_get_name(session->service);
 447                 idx = __connman_service_get_index(session->service);
 448                 session->ifname = connman_inet_ifname(idx);
 449
 450         } else {
 451                 session->bearer = "";
 452                 session->online = FALSE;
 453                 session->name = "";
 454                 session->ifname = "";
 455         }
 456 }
 457
 458 static connman_bool_t service_match(struct connman_session *session,
 459                                         struct connman_service *service)
 460 {
 461         GSList *list;
 462
 463         DBG("session %p service %p", session, service);
 464
 465         for (list = session->allowed_bearers; list != NULL; list = list->next) {
 466                 struct bearer_info *info = list->data;
 467                 enum connman_service_type service_type;
 468
 469                 if (info->match_all == TRUE)
 470                         return TRUE;
 471
 472                 service_type = connman_service_get_type(service);
 473                 if (info->service_type == service_type)
 474                         return TRUE;
 475         }
 476
 477         return FALSE;
 478 }
 479
 480 static connman_bool_t session_select_service(struct connman_session *session)
 481 {
 482         struct connman_service *service;
 483         GSequenceIter *iter;
 484
 485         session->service_list =
 486                 __connman_service_get_list(session, service_match);
 487
 488         if (session->service_list == NULL)
 489                 return FALSE;
 490
 491         iter = g_sequence_get_begin_iter(session->service_list);
 492
 493         while (g_sequence_iter_is_end(iter) == FALSE) {
 494                 service = g_sequence_get(iter);
 495
 496                 if (__connman_service_is_connected(service) == TRUE) {
 497                         session->service = service;
 498                         return TRUE;
 499                 }
 500                 iter = g_sequence_iter_next(iter);
 501         }
 502
 503         return FALSE;
 504 }
 505
 506 static void print_name(gpointer data, gpointer user_data)
 507 {
 508         struct connman_service *service = data;
 509
 510         DBG("service %p name %s", service,
 511                 __connman_service_get_name(service));
 512 }
 513
 514 static void cleanup_session(gpointer user_data)
 515 {
 516         struct connman_session *session = user_data;
 517
 518         DBG("remove %s", session->session_path);
 519
 520         g_sequence_free(session->service_list);
 521
 522         g_slist_foreach(session->allowed_bearers, cleanup_bearer_info, NULL);
 523         g_slist_free(session->allowed_bearers);
 524
 525         g_free(session->owner);
 526         g_free(session->session_path);
 527         g_free(session->notify_path);
 528
 529         g_free(session);
 530 }
 531
 532 static void release_session(gpointer key, gpointer value, gpointer user_data)
 533 {
 534         struct connman_session *session = value;
 535         DBusMessage *message;
 536
 537         DBG("owner %s path %s", session->owner, session->notify_path);
 538
 539         if (session->notify_watch > 0)
 540                 g_dbus_remove_watch(connection, session->notify_watch);
 541
 542         g_dbus_unregister_interface(connection, session->session_path,
 543                                                 CONNMAN_SESSION_INTERFACE);
 544
 545         message = dbus_message_new_method_call(session->owner,
 546                                                 session->notify_path,
 547                                                 CONNMAN_NOTIFICATION_INTERFACE,
 548                                                 "Release");
 549         if (message == NULL)
 550                 return;
 551
 552         dbus_message_set_no_reply(message, TRUE);
 553
 554         g_dbus_send_message(connection, message);
 555 }
 556
 557 static int session_disconnect(struct connman_session *session)
 558 {
 559         DBG("session %p, %s", session, session->owner);
 560
 561         if (session->notify_watch > 0)
 562                 g_dbus_remove_watch(connection, session->notify_watch);
 563
 564         g_dbus_unregister_interface(connection, session->session_path,
 565                                                 CONNMAN_SESSION_INTERFACE);
 566
 567         g_hash_table_remove(session_hash, session->session_path);
 568
 569         return 0;
 570 }
 571
 572 static void owner_disconnect(DBusConnection *conn, void *user_data)
 573 {
 574         struct connman_session *session = user_data;
 575
 576         DBG("session %p, %s died", session, session->owner);
 577
 578         session_disconnect(session);
 579 }
 580
 581 static DBusMessage *destroy_session(DBusConnection *conn,
 582                                         DBusMessage *msg, void *user_data)
 583 {
 584         struct connman_session *session = user_data;
 585
 586         DBG("session %p", session);
 587
 588         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 589 }
 590
 591 static DBusMessage *connect_session(DBusConnection *conn,
 592                                         DBusMessage *msg, void *user_data)
 593 {
 594         struct connman_session *session = user_data;
 595         int err;
 596
 597         DBG("session %p", session);
 598
 599         if (session->service_list != NULL)
 600                 g_sequence_free(session->service_list);
 601
 602         session->service_list = __connman_service_get_list(session,
 603                                                                 service_match);
 604
 605         g_sequence_foreach(session->service_list, print_name, NULL);
 606
 607         err = __connman_service_session_connect(session->service_list,
 608                                                 &session->service);
 609         if (err < 0)
 610                 return __connman_error_failed(msg, -err);
 611
 612         update_service(session);
 613         g_timeout_add_seconds(0, service_changed, session);
 614
 615         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 616 }
 617
 618 static DBusMessage *disconnect_session(DBusConnection *conn,
 619                                         DBusMessage *msg, void *user_data)
 620 {
 621         struct connman_session *session = user_data;
 622         int err;
 623
 624         DBG("session %p", session);
 625
 626         if (session->service == NULL)
 627                 return __connman_error_already_disabled(msg);
 628
 629         err = __connman_service_disconnect(session->service);
 630         if (err < 0)
 631                 return __connman_error_failed(msg, -err);
 632
 633         session->service = NULL;
 634         update_service(session);
 635         g_timeout_add_seconds(0, service_changed, session);
 636
 637         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 638 }
 639
 640 static DBusMessage *change_session(DBusConnection *conn,
 641                                         DBusMessage *msg, void *user_data)
 642 {
 643         struct connman_session *session = user_data;
 644         DBusMessageIter iter, value;
 645         DBusMessage *reply;
 646         DBusMessageIter reply_array, reply_dict;
 647         const char *name;
 648         GSList *allowed_bearers;
 649
 650         DBG("session %p", session);
 651         if (dbus_message_iter_init(msg, &iter) == FALSE)
 652                 return __connman_error_invalid_arguments(msg);
 653
 654         reply = dbus_message_new_method_call(session->owner,
 655                                                 session->notify_path,
 656                                                 CONNMAN_NOTIFICATION_INTERFACE,
 657                                                 "Update");
 658         if (reply == NULL)
 659                 return __connman_error_failed(msg, ENOMEM);
 660
 661         dbus_message_iter_init_append(reply, &reply_array);
 662         connman_dbus_dict_open(&reply_array, &reply_dict);
 663
 664         dbus_message_iter_get_basic(&iter, &name);
 665         dbus_message_iter_next(&iter);
 666         dbus_message_iter_recurse(&iter, &value);
 667
 668         switch (dbus_message_iter_get_arg_type(&value)) {
 669         case DBUS_TYPE_ARRAY:
 670                 if (g_str_equal(name, "AllowedBearers") == TRUE) {
 671                         allowed_bearers = session_parse_allowed_bearers(&value);
 672
 673                         g_slist_foreach(session->allowed_bearers,
 674                                         cleanup_bearer_info, NULL);
 675                         g_slist_free(session->allowed_bearers);
 676
 677                         if (allowed_bearers == NULL) {
 678                                 allowed_bearers = session_allowed_bearers_any();
 679
 680                                 if (allowed_bearers == NULL) {
 681                                         dbus_message_unref(reply);
 682                                         return __connman_error_failed(msg, ENOMEM);
 683                                 }
 684                         }
 685
 686                         session->allowed_bearers = allowed_bearers;
 687
 688                         /* update_allowed_bearers(); */
 689
 690                         connman_dbus_dict_append_array(&reply_dict,
 691                                                         "AllowedBearers",
 692                                                         DBUS_TYPE_STRING,
 693                                                         append_allowed_bearers,
 694                                                         session);
 695                 }
 696                 break;
 697         case DBUS_TYPE_BOOLEAN:
 698                 if (g_str_equal(name, "Priority") == TRUE) {
 699                         dbus_message_iter_get_basic(&value, &session->priority);
 700
 701                         /* update_priority(); */
 702
 703                         connman_dbus_dict_append_basic(&reply_dict, "Priority",
 704                                                         DBUS_TYPE_BOOLEAN,
 705                                                         &session->priority);
 706
 707                 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
 708                         dbus_message_iter_get_basic(&value,
 709                                                 &session->avoid_handover);
 710
 711                         /* update_avoid_handover(); */
 712
 713                         connman_dbus_dict_append_basic(&reply_dict,
 714                                                 "AvoidHandover",
 715                                                 DBUS_TYPE_BOOLEAN,
 716                                                 &session->avoid_handover);
 717
 718                 } else if (g_str_equal(name, "StayConnected") == TRUE) {
 719                         dbus_message_iter_get_basic(&value,
 720                                                 &session->stay_connected);
 721
 722                         /* update_stay_connected(); */
 723
 724                         connman_dbus_dict_append_basic(&reply_dict,
 725                                                 "StayConnected",
 726                                                 DBUS_TYPE_BOOLEAN,
 727                                                 &session->stay_connected);
 728
 729                 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
 730                         dbus_message_iter_get_basic(&value, &session->ecall);
 731
 732                         /* update_ecall(); */
 733
 734                         connman_dbus_dict_append_basic(&reply_dict,
 735                                                 "EmergencyCall",
 736                                                 DBUS_TYPE_BOOLEAN,
 737                                                 &session->ecall);
 738
 739                 }
 740                 break;
 741         case DBUS_TYPE_UINT32:
 742                 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
 743                         dbus_message_iter_get_basic(&value,
 744                                                 &session->periodic_connect);
 745
 746                         /* update_periodic_update(); */
 747
 748                         connman_dbus_dict_append_basic(&reply_dict,
 749                                                 "PeriodicConnect",
 750                                                 DBUS_TYPE_UINT32,
 751                                                 &session->periodic_connect);
 752                 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
 753                         dbus_message_iter_get_basic(&value,
 754                                                 &session->idle_timeout);
 755
 756                         /* update_idle_timeout(); */
 757
 758                         connman_dbus_dict_append_basic(&reply_dict,
 759                                                 "IdleTimeout",
 760                                                 DBUS_TYPE_UINT32,
 761                                                 &session->idle_timeout);
 762                 }
 763                 break;
 764         case DBUS_TYPE_STRING:
 765                 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
 766                         const char *val;
 767                         dbus_message_iter_get_basic(&value, &val);
 768                         session->roaming_policy = string2roamingpolicy(val);
 769
 770                         /* update_roaming_allowed(); */
 771
 772                         val = roamingpolicy2string(session->roaming_policy);
 773                         connman_dbus_dict_append_basic(&reply_dict,
 774                                                 "RoamingPolicy",
 775                                                 DBUS_TYPE_STRING,
 776                                                 &val);
 777                 }
 778                 break;
 779         }
 780
 781         connman_dbus_dict_close(&reply_array, &reply_dict);
 782
 783         g_dbus_send_message(connection, reply);
 784
 785         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 786 }
 787
 788 static GDBusMethodTable session_methods[] = {
 789         { "Destroy",    "",   "", destroy_session    },
 790         { "Connect",    "",   "", connect_session    },
 791         { "Disconnect", "",   "", disconnect_session },
 792         { "Change",     "sv", "", change_session     },
 793         { },
 794 };
 795
 796 int __connman_session_create(DBusMessage *msg)
 797 {
 798         const char *owner, *notify_path;
 799         char *session_path;
 800         DBusMessageIter iter, array;
 801         struct connman_session *session;
 802
 803         connman_bool_t priority = FALSE, avoid_handover = FALSE;
 804         connman_bool_t stay_connected = FALSE, ecall = FALSE;
 805         enum connman_session_roaming_policy roaming_policy =
 806                                 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
 807         GSList *allowed_bearers = NULL;
 808         unsigned int periodic_connect = 0;
 809         unsigned int idle_timeout = 0;
 810
 811         int err;
 812
 813         owner = dbus_message_get_sender(msg);
 814
 815         DBG("owner %s", owner);
 816
 817         dbus_message_iter_init(msg, &iter);
 818         dbus_message_iter_recurse(&iter, &array);
 819
 820         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 821                 DBusMessageIter entry, value;
 822                 const char *key, *val;
 823
 824                 dbus_message_iter_recurse(&array, &entry);
 825                 dbus_message_iter_get_basic(&entry, &key);
 826
 827                 dbus_message_iter_next(&entry);
 828                 dbus_message_iter_recurse(&entry, &value);
 829
 830                 switch (dbus_message_iter_get_arg_type(&value)) {
 831                 case DBUS_TYPE_ARRAY:
 832                         if (g_str_equal(key, "AllowedBearers") == TRUE) {
 833                                 allowed_bearers =
 834                                         session_parse_allowed_bearers(&value);
 835                         }
 836                         break;
 837                 case DBUS_TYPE_BOOLEAN:
 838                         if (g_str_equal(key, "Priority") == TRUE) {
 839                                 dbus_message_iter_get_basic(&value,
 840                                                         &priority);
 841                         } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
 842                                 dbus_message_iter_get_basic(&value,
 843                                                         &avoid_handover);
 844                         } else if (g_str_equal(key, "StayConnected") == TRUE) {
 845                                 dbus_message_iter_get_basic(&value,
 846                                                         &stay_connected);
 847                         } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
 848                                 dbus_message_iter_get_basic(&value,
 849                                                         &ecall);
 850                         }
 851                         break;
 852                 case DBUS_TYPE_UINT32:
 853                         if (g_str_equal(key, "PeriodicConnect") == TRUE) {
 854                                 dbus_message_iter_get_basic(&value,
 855                                                         &periodic_connect);
 856                         } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
 857                                 dbus_message_iter_get_basic(&value,
 858                                                         &idle_timeout);
 859                         }
 860                         break;
 861                 case DBUS_TYPE_STRING:
 862
 863                         if (g_str_equal(key, "RoamingPolicy") == TRUE) {
 864                                 dbus_message_iter_get_basic(&value, &val);
 865                                 roaming_policy = string2roamingpolicy(val);
 866                         }
 867                 }
 868                 dbus_message_iter_next(&array);
 869         }
 870
 871         dbus_message_iter_next(&iter);
 872         dbus_message_iter_get_basic(&iter, &notify_path);
 873
 874         if (notify_path == NULL) {
 875                 session_path = NULL;
 876                 err = -EINVAL;
 877                 goto err;
 878         }
 879
 880         session_path = g_strdup_printf("/sessions%s", notify_path);
 881         if (session_path == NULL) {
 882                 err = -ENOMEM;
 883                 goto err;
 884         }
 885
 886         session = g_hash_table_lookup(session_hash, session_path);
 887         if (session != NULL) {
 888                 err = -EEXIST;
 889                 goto err;
 890         }
 891
 892         session = g_try_new0(struct connman_session, 1);
 893         if (session == NULL) {
 894                 err = -ENOMEM;
 895                 goto err;
 896         }
 897
 898         session->owner = g_strdup(owner);
 899         session->session_path = session_path;
 900         session->notify_path = g_strdup(notify_path);
 901         session->notify_watch =
 902                 g_dbus_add_disconnect_watch(connection, session->owner,
 903                                         owner_disconnect, session, NULL);
 904
 905         session->bearer = "";
 906         session->online = FALSE;
 907         session->priority = priority;
 908         session->avoid_handover = avoid_handover;
 909         session->stay_connected = stay_connected;
 910         session->periodic_connect = periodic_connect;
 911         session->idle_timeout = idle_timeout;
 912         session->ecall = ecall;
 913         session->roaming_policy = roaming_policy;
 914
 915         if (session->allowed_bearers == NULL) {
 916                 session->allowed_bearers = session_allowed_bearers_any();
 917
 918                 if (session->allowed_bearers == NULL) {
 919                         err = -ENOMEM;
 920                         goto err;
 921                 }
 922         }
 923
 924         session->service_list = NULL;
 925
 926         update_service(session);
 927
 928         g_hash_table_replace(session_hash, session->session_path, session);
 929
 930         DBG("add %s", session->session_path);
 931
 932         if (g_dbus_register_interface(connection, session->session_path,
 933                                         CONNMAN_SESSION_INTERFACE,
 934                                         session_methods, NULL,
 935                                         NULL, session, NULL) == FALSE) {
 936                 connman_error("Failed to register %s", session->session_path);
 937                 g_hash_table_remove(session_hash, session->session_path);
 938                 session = NULL;
 939
 940                 err = -EINVAL;
 941                 goto err;
 942         }
 943
 944         g_dbus_send_reply(connection, msg,
 945                                 DBUS_TYPE_OBJECT_PATH, &session->session_path,
 946                                 DBUS_TYPE_INVALID);
 947
 948
 949         /*
 950          * Check if the session settings matches to a service which is
 951          * a already connected
 952          */
 953         if (session_select_service(session) == TRUE)
 954                 update_service(session);
 955
 956         g_timeout_add_seconds(0, session_notify_all, session);
 957
 958         return 0;
 959
 960 err:
 961         connman_error("Failed to create session");
 962         g_free(session_path);
 963
 964         g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
 965         g_slist_free(allowed_bearers);
 966
 967         return err;
 968 }
 969
 970 int __connman_session_destroy(DBusMessage *msg)
 971 {
 972         const char *owner, *session_path;
 973         struct connman_session *session;
 974
 975         owner = dbus_message_get_sender(msg);
 976
 977         DBG("owner %s", owner);
 978
 979         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
 980                                                         DBUS_TYPE_INVALID);
 981         if (session_path == NULL)
 982                 return -EINVAL;
 983
 984         session = g_hash_table_lookup(session_hash, session_path);
 985         if (session == NULL)
 986                 return -EINVAL;
 987
 988         if (g_strcmp0(owner, session->owner) != 0)
 989                 return -EACCES;
 990
 991         session_disconnect(session);
 992
 993         return 0;
 994 }
 995
 996 connman_bool_t __connman_session_mode()
 997 {
 998         return sessionmode;
 999 }
1000
1001 void __connman_session_set_mode(connman_bool_t enable)
1002 {
1003         DBG("enable %d", enable);
1004
1005         if (sessionmode == enable)
1006                 return;
1007
1008         sessionmode = enable;
1009
1010         if (sessionmode == TRUE)
1011                 __connman_service_disconnect_all();
1012 }
1013
1014 static void service_state_changed(struct connman_service *service,
1015                                         enum connman_service_state state)
1016 {
1017         GHashTableIter iter;
1018         gpointer key, value;
1019         struct connman_session *session;
1020         connman_bool_t online;
1021
1022         DBG("service %p state %d", service, state);
1023
1024         g_hash_table_iter_init(&iter, session_hash);
1025
1026         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1027                 session = value;
1028
1029                 if (session->service == service) {
1030                         online = __connman_service_is_connected(service);
1031                         if (session->online != online)
1032                                 continue;
1033
1034                         session->online = online;
1035                         online_changed(session);
1036                 }
1037         }
1038 }
1039
1040 static void ipconfig_changed(struct connman_service *service,
1041                                 struct connman_ipconfig *ipconfig)
1042 {
1043         GHashTableIter iter;
1044         gpointer key, value;
1045         struct connman_session *session;
1046         enum connman_ipconfig_type type;
1047
1048         DBG("service %p ipconfig %p", service, ipconfig);
1049
1050         type = __connman_ipconfig_get_config_type(ipconfig);
1051
1052         g_hash_table_iter_init(&iter, session_hash);
1053
1054         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1055                 session = value;
1056
1057                 if (session->service == service) {
1058                         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1059                                 ipconfig_ipv4_changed(session);
1060                         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1061                                 ipconfig_ipv6_changed(session);
1062                 }
1063         }
1064 }
1065
1066 static struct connman_notifier session_notifier = {
1067         .name                   = "session",
1068         .service_state_changed  = service_state_changed,
1069         .ipconfig_changed       = ipconfig_changed,
1070 };
1071
1072 int __connman_session_init(void)
1073 {
1074         int err;
1075
1076         DBG("");
1077
1078         connection = connman_dbus_get_connection();
1079         if (connection == NULL)
1080                 return -1;
1081
1082         err = connman_notifier_register(&session_notifier);
1083         if (err < 0) {
1084                 dbus_connection_unref(connection);
1085                 return err;
1086         }
1087
1088         session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1089                                                 NULL, cleanup_session);
1090
1091         sessionmode = FALSE;
1092         return 0;
1093 }
1094
1095 void __connman_session_cleanup(void)
1096 {
1097         DBG("");
1098
1099         if (connection == NULL)
1100                 return;
1101
1102         connman_notifier_unregister(&session_notifier);
1103
1104         g_hash_table_foreach(session_hash, release_session, NULL);
1105         g_hash_table_destroy(session_hash);
1106
1107         dbus_connection_unref(connection);
1108 }