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 gboolean session_do_connect(gpointer user_data)
 592 {
 593         struct connman_session *session = user_data;
 594
 595         __connman_service_connect(session->service);
 596
 597         service_changed(session);
 598         return FALSE;
 599 }
 600
 601 static DBusMessage *connect_session(DBusConnection *conn,
 602                                         DBusMessage *msg, void *user_data)
 603 {
 604         struct connman_session *session = user_data;
 605         struct connman_service *service = NULL;
 606         GSourceFunc callback;
 607         GSequenceIter *iter;
 608
 609         DBG("session %p", session);
 610
 611         if (session->service_list != NULL)
 612                 g_sequence_free(session->service_list);
 613
 614         session->service_list = __connman_service_get_list(session,
 615                                                                 service_match);
 616
 617         g_sequence_foreach(session->service_list, print_name, NULL);
 618
 619
 620         iter = g_sequence_get_begin_iter(session->service_list);
 621
 622         while (g_sequence_iter_is_end(iter) == FALSE) {
 623                 service = g_sequence_get(iter);
 624
 625                 if (__connman_service_is_connecting(service) == TRUE ||
 626                                 __connman_service_is_connected(service) == TRUE) {
 627                         callback = service_changed;
 628                         break;
 629                 }
 630
 631                 if (__connman_service_is_idle(service) == TRUE) {
 632                         callback = session_do_connect;
 633                         break;
 634                 }
 635
 636                 iter = g_sequence_iter_next(iter);
 637         }
 638
 639         if (session != NULL) {
 640                 session->service = service;
 641                 update_service(session);
 642                 g_timeout_add_seconds(0, callback, session);
 643         }
 644
 645         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 646 }
 647
 648 static gboolean session_do_disconnect(gpointer user_data)
 649 {
 650         struct connman_session *session = user_data;
 651
 652         if (__connman_service_disconnect(session->service) < 0)
 653                 return FALSE;
 654
 655         session->service = NULL;
 656         update_service(session);
 657         service_changed(session);
 658
 659         return FALSE;
 660 }
 661
 662 static DBusMessage *disconnect_session(DBusConnection *conn,
 663                                         DBusMessage *msg, void *user_data)
 664 {
 665         struct connman_session *session = user_data;
 666
 667         DBG("session %p", session);
 668
 669         if (session->service == NULL)
 670                 return __connman_error_already_disabled(msg);
 671
 672         g_timeout_add_seconds(0, session_do_disconnect, session);
 673
 674         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 675 }
 676
 677 static DBusMessage *change_session(DBusConnection *conn,
 678                                         DBusMessage *msg, void *user_data)
 679 {
 680         struct connman_session *session = user_data;
 681         DBusMessageIter iter, value;
 682         DBusMessage *reply;
 683         DBusMessageIter reply_array, reply_dict;
 684         const char *name;
 685         GSList *allowed_bearers;
 686
 687         DBG("session %p", session);
 688         if (dbus_message_iter_init(msg, &iter) == FALSE)
 689                 return __connman_error_invalid_arguments(msg);
 690
 691         reply = dbus_message_new_method_call(session->owner,
 692                                                 session->notify_path,
 693                                                 CONNMAN_NOTIFICATION_INTERFACE,
 694                                                 "Update");
 695         if (reply == NULL)
 696                 return __connman_error_failed(msg, ENOMEM);
 697
 698         dbus_message_iter_init_append(reply, &reply_array);
 699         connman_dbus_dict_open(&reply_array, &reply_dict);
 700
 701         dbus_message_iter_get_basic(&iter, &name);
 702         dbus_message_iter_next(&iter);
 703         dbus_message_iter_recurse(&iter, &value);
 704
 705         switch (dbus_message_iter_get_arg_type(&value)) {
 706         case DBUS_TYPE_ARRAY:
 707                 if (g_str_equal(name, "AllowedBearers") == TRUE) {
 708                         allowed_bearers = session_parse_allowed_bearers(&value);
 709
 710                         g_slist_foreach(session->allowed_bearers,
 711                                         cleanup_bearer_info, NULL);
 712                         g_slist_free(session->allowed_bearers);
 713
 714                         if (allowed_bearers == NULL) {
 715                                 allowed_bearers = session_allowed_bearers_any();
 716
 717                                 if (allowed_bearers == NULL) {
 718                                         dbus_message_unref(reply);
 719                                         return __connman_error_failed(msg, ENOMEM);
 720                                 }
 721                         }
 722
 723                         session->allowed_bearers = allowed_bearers;
 724
 725                         /* update_allowed_bearers(); */
 726
 727                         connman_dbus_dict_append_array(&reply_dict,
 728                                                         "AllowedBearers",
 729                                                         DBUS_TYPE_STRING,
 730                                                         append_allowed_bearers,
 731                                                         session);
 732                 } else {
 733                         goto err;
 734                 }
 735                 break;
 736         case DBUS_TYPE_BOOLEAN:
 737                 if (g_str_equal(name, "Priority") == TRUE) {
 738                         dbus_message_iter_get_basic(&value, &session->priority);
 739
 740                         /* update_priority(); */
 741
 742                         connman_dbus_dict_append_basic(&reply_dict, "Priority",
 743                                                         DBUS_TYPE_BOOLEAN,
 744                                                         &session->priority);
 745
 746                 } else if (g_str_equal(name, "AvoidHandover") == TRUE) {
 747                         dbus_message_iter_get_basic(&value,
 748                                                 &session->avoid_handover);
 749
 750                         /* update_avoid_handover(); */
 751
 752                         connman_dbus_dict_append_basic(&reply_dict,
 753                                                 "AvoidHandover",
 754                                                 DBUS_TYPE_BOOLEAN,
 755                                                 &session->avoid_handover);
 756
 757                 } else if (g_str_equal(name, "StayConnected") == TRUE) {
 758                         dbus_message_iter_get_basic(&value,
 759                                                 &session->stay_connected);
 760
 761                         /* update_stay_connected(); */
 762
 763                         connman_dbus_dict_append_basic(&reply_dict,
 764                                                 "StayConnected",
 765                                                 DBUS_TYPE_BOOLEAN,
 766                                                 &session->stay_connected);
 767
 768                 } else if (g_str_equal(name, "EmergencyCall") == TRUE) {
 769                         dbus_message_iter_get_basic(&value, &session->ecall);
 770
 771                         /* update_ecall(); */
 772
 773                         connman_dbus_dict_append_basic(&reply_dict,
 774                                                 "EmergencyCall",
 775                                                 DBUS_TYPE_BOOLEAN,
 776                                                 &session->ecall);
 777
 778                 } else {
 779                         goto err;
 780                 }
 781                 break;
 782         case DBUS_TYPE_UINT32:
 783                 if (g_str_equal(name, "PeriodicConnect") == TRUE) {
 784                         dbus_message_iter_get_basic(&value,
 785                                                 &session->periodic_connect);
 786
 787                         /* update_periodic_update(); */
 788
 789                         connman_dbus_dict_append_basic(&reply_dict,
 790                                                 "PeriodicConnect",
 791                                                 DBUS_TYPE_UINT32,
 792                                                 &session->periodic_connect);
 793                 } else if (g_str_equal(name, "IdleTimeout") == TRUE) {
 794                         dbus_message_iter_get_basic(&value,
 795                                                 &session->idle_timeout);
 796
 797                         /* update_idle_timeout(); */
 798
 799                         connman_dbus_dict_append_basic(&reply_dict,
 800                                                 "IdleTimeout",
 801                                                 DBUS_TYPE_UINT32,
 802                                                 &session->idle_timeout);
 803                 } else {
 804                         goto err;
 805                 }
 806                 break;
 807         case DBUS_TYPE_STRING:
 808                 if (g_str_equal(name, "RoamingPolicy") == TRUE) {
 809                         const char *val;
 810                         dbus_message_iter_get_basic(&value, &val);
 811                         session->roaming_policy = string2roamingpolicy(val);
 812
 813                         /* update_roaming_allowed(); */
 814
 815                         val = roamingpolicy2string(session->roaming_policy);
 816                         connman_dbus_dict_append_basic(&reply_dict,
 817                                                 "RoamingPolicy",
 818                                                 DBUS_TYPE_STRING,
 819                                                 &val);
 820                 } else {
 821                         goto err;
 822                 }
 823                 break;
 824         }
 825
 826         connman_dbus_dict_close(&reply_array, &reply_dict);
 827
 828         g_dbus_send_message(connection, reply);
 829
 830         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 831
 832 err:
 833         dbus_message_unref(reply);
 834         return __connman_error_invalid_arguments(msg);
 835 }
 836
 837 static GDBusMethodTable session_methods[] = {
 838         { "Destroy",    "",   "", destroy_session    },
 839         { "Connect",    "",   "", connect_session    },
 840         { "Disconnect", "",   "", disconnect_session },
 841         { "Change",     "sv", "", change_session     },
 842         { },
 843 };
 844
 845 int __connman_session_create(DBusMessage *msg)
 846 {
 847         const char *owner, *notify_path;
 848         char *session_path;
 849         DBusMessageIter iter, array;
 850         struct connman_session *session;
 851
 852         connman_bool_t priority = FALSE, avoid_handover = FALSE;
 853         connman_bool_t stay_connected = FALSE, ecall = FALSE;
 854         enum connman_session_roaming_policy roaming_policy =
 855                                 CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN;
 856         GSList *allowed_bearers = NULL;
 857         unsigned int periodic_connect = 0;
 858         unsigned int idle_timeout = 0;
 859
 860         int err;
 861
 862         owner = dbus_message_get_sender(msg);
 863
 864         DBG("owner %s", owner);
 865
 866         dbus_message_iter_init(msg, &iter);
 867         dbus_message_iter_recurse(&iter, &array);
 868
 869         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 870                 DBusMessageIter entry, value;
 871                 const char *key, *val;
 872
 873                 dbus_message_iter_recurse(&array, &entry);
 874                 dbus_message_iter_get_basic(&entry, &key);
 875
 876                 dbus_message_iter_next(&entry);
 877                 dbus_message_iter_recurse(&entry, &value);
 878
 879                 switch (dbus_message_iter_get_arg_type(&value)) {
 880                 case DBUS_TYPE_ARRAY:
 881                         if (g_str_equal(key, "AllowedBearers") == TRUE) {
 882                                 allowed_bearers =
 883                                         session_parse_allowed_bearers(&value);
 884                         } else {
 885                                 return -EINVAL;
 886                         }
 887                         break;
 888                 case DBUS_TYPE_BOOLEAN:
 889                         if (g_str_equal(key, "Priority") == TRUE) {
 890                                 dbus_message_iter_get_basic(&value,
 891                                                         &priority);
 892                         } else if (g_str_equal(key, "AvoidHandover") == TRUE) {
 893                                 dbus_message_iter_get_basic(&value,
 894                                                         &avoid_handover);
 895                         } else if (g_str_equal(key, "StayConnected") == TRUE) {
 896                                 dbus_message_iter_get_basic(&value,
 897                                                         &stay_connected);
 898                         } else if (g_str_equal(key, "EmergencyCall") == TRUE) {
 899                                 dbus_message_iter_get_basic(&value,
 900                                                         &ecall);
 901                         } else {
 902                                 return -EINVAL;
 903                         }
 904                         break;
 905                 case DBUS_TYPE_UINT32:
 906                         if (g_str_equal(key, "PeriodicConnect") == TRUE) {
 907                                 dbus_message_iter_get_basic(&value,
 908                                                         &periodic_connect);
 909                         } else if (g_str_equal(key, "IdleTimeout") == TRUE) {
 910                                 dbus_message_iter_get_basic(&value,
 911                                                         &idle_timeout);
 912                         } else {
 913                                 return -EINVAL;
 914                         }
 915                         break;
 916                 case DBUS_TYPE_STRING:
 917                         if (g_str_equal(key, "RoamingPolicy") == TRUE) {
 918                                 dbus_message_iter_get_basic(&value, &val);
 919                                 roaming_policy = string2roamingpolicy(val);
 920                         } else {
 921                                 return -EINVAL;
 922                         }
 923                 }
 924                 dbus_message_iter_next(&array);
 925         }
 926
 927         dbus_message_iter_next(&iter);
 928         dbus_message_iter_get_basic(&iter, &notify_path);
 929
 930         if (notify_path == NULL) {
 931                 session_path = NULL;
 932                 err = -EINVAL;
 933                 goto err;
 934         }
 935
 936         session_path = g_strdup_printf("/sessions%s", notify_path);
 937         if (session_path == NULL) {
 938                 err = -ENOMEM;
 939                 goto err;
 940         }
 941
 942         session = g_hash_table_lookup(session_hash, session_path);
 943         if (session != NULL) {
 944                 err = -EEXIST;
 945                 goto err;
 946         }
 947
 948         session = g_try_new0(struct connman_session, 1);
 949         if (session == NULL) {
 950                 err = -ENOMEM;
 951                 goto err;
 952         }
 953
 954         session->owner = g_strdup(owner);
 955         session->session_path = session_path;
 956         session->notify_path = g_strdup(notify_path);
 957         session->notify_watch =
 958                 g_dbus_add_disconnect_watch(connection, session->owner,
 959                                         owner_disconnect, session, NULL);
 960
 961         session->bearer = "";
 962         session->online = FALSE;
 963         session->priority = priority;
 964         session->avoid_handover = avoid_handover;
 965         session->stay_connected = stay_connected;
 966         session->periodic_connect = periodic_connect;
 967         session->idle_timeout = idle_timeout;
 968         session->ecall = ecall;
 969         session->roaming_policy = roaming_policy;
 970
 971         if (session->allowed_bearers == NULL) {
 972                 session->allowed_bearers = session_allowed_bearers_any();
 973
 974                 if (session->allowed_bearers == NULL) {
 975                         err = -ENOMEM;
 976                         goto err;
 977                 }
 978         }
 979
 980         session->service_list = NULL;
 981
 982         update_service(session);
 983
 984         g_hash_table_replace(session_hash, session->session_path, session);
 985
 986         DBG("add %s", session->session_path);
 987
 988         if (g_dbus_register_interface(connection, session->session_path,
 989                                         CONNMAN_SESSION_INTERFACE,
 990                                         session_methods, NULL,
 991                                         NULL, session, NULL) == FALSE) {
 992                 connman_error("Failed to register %s", session->session_path);
 993                 g_hash_table_remove(session_hash, session->session_path);
 994                 session = NULL;
 995
 996                 err = -EINVAL;
 997                 goto err;
 998         }
 999
1000         g_dbus_send_reply(connection, msg,
1001                                 DBUS_TYPE_OBJECT_PATH, &session->session_path,
1002                                 DBUS_TYPE_INVALID);
1003
1004
1005         /*
1006          * Check if the session settings matches to a service which is
1007          * a already connected
1008          */
1009         if (session_select_service(session) == TRUE)
1010                 update_service(session);
1011
1012         g_timeout_add_seconds(0, session_notify_all, session);
1013
1014         return 0;
1015
1016 err:
1017         connman_error("Failed to create session");
1018         g_free(session_path);
1019
1020         g_slist_foreach(allowed_bearers, cleanup_bearer_info, NULL);
1021         g_slist_free(allowed_bearers);
1022
1023         return err;
1024 }
1025
1026 int __connman_session_destroy(DBusMessage *msg)
1027 {
1028         const char *owner, *session_path;
1029         struct connman_session *session;
1030
1031         owner = dbus_message_get_sender(msg);
1032
1033         DBG("owner %s", owner);
1034
1035         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path,
1036                                                         DBUS_TYPE_INVALID);
1037         if (session_path == NULL)
1038                 return -EINVAL;
1039
1040         session = g_hash_table_lookup(session_hash, session_path);
1041         if (session == NULL)
1042                 return -EINVAL;
1043
1044         if (g_strcmp0(owner, session->owner) != 0)
1045                 return -EACCES;
1046
1047         session_disconnect(session);
1048
1049         return 0;
1050 }
1051
1052 connman_bool_t __connman_session_mode()
1053 {
1054         return sessionmode;
1055 }
1056
1057 void __connman_session_set_mode(connman_bool_t enable)
1058 {
1059         DBG("enable %d", enable);
1060
1061         if (sessionmode == enable)
1062                 return;
1063
1064         sessionmode = enable;
1065
1066         if (sessionmode == TRUE)
1067                 __connman_service_disconnect_all();
1068 }
1069
1070 static void service_state_changed(struct connman_service *service,
1071                                         enum connman_service_state state)
1072 {
1073         GHashTableIter iter;
1074         gpointer key, value;
1075         struct connman_session *session;
1076         connman_bool_t online;
1077
1078         DBG("service %p state %d", service, state);
1079
1080         g_hash_table_iter_init(&iter, session_hash);
1081
1082         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1083                 session = value;
1084
1085                 if (session->service == service) {
1086                         online = __connman_service_is_connected(service);
1087                         if (session->online == online)
1088                                 continue;
1089
1090                         session->online = online;
1091                         online_changed(session);
1092                 }
1093         }
1094 }
1095
1096 static void ipconfig_changed(struct connman_service *service,
1097                                 struct connman_ipconfig *ipconfig)
1098 {
1099         GHashTableIter iter;
1100         gpointer key, value;
1101         struct connman_session *session;
1102         enum connman_ipconfig_type type;
1103
1104         DBG("service %p ipconfig %p", service, ipconfig);
1105
1106         type = __connman_ipconfig_get_config_type(ipconfig);
1107
1108         g_hash_table_iter_init(&iter, session_hash);
1109
1110         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
1111                 session = value;
1112
1113                 if (session->service == service) {
1114                         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1115                                 ipconfig_ipv4_changed(session);
1116                         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1117                                 ipconfig_ipv6_changed(session);
1118                 }
1119         }
1120 }
1121
1122 static struct connman_notifier session_notifier = {
1123         .name                   = "session",
1124         .service_state_changed  = service_state_changed,
1125         .ipconfig_changed       = ipconfig_changed,
1126 };
1127
1128 int __connman_session_init(void)
1129 {
1130         int err;
1131
1132         DBG("");
1133
1134         connection = connman_dbus_get_connection();
1135         if (connection == NULL)
1136                 return -1;
1137
1138         err = connman_notifier_register(&session_notifier);
1139         if (err < 0) {
1140                 dbus_connection_unref(connection);
1141                 return err;
1142         }
1143
1144         session_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1145                                                 NULL, cleanup_session);
1146
1147         sessionmode = FALSE;
1148         return 0;
1149 }
1150
1151 void __connman_session_cleanup(void)
1152 {
1153         DBG("");
1154
1155         if (connection == NULL)
1156                 return;
1157
1158         connman_notifier_unregister(&session_notifier);
1159
1160         g_hash_table_foreach(session_hash, release_session, NULL);
1161         g_hash_table_destroy(session_hash);
1162
1163         dbus_connection_unref(connection);
1164 }