git.maemo.org Git - connman/blob - src/element.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  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 #include <stdarg.h>
  28 #include <string.h>
  29
  30 #include <glib.h>
  31 #include <gdbus.h>
  32
  33 #include "connman.h"
  34
  35 static DBusConnection *connection;
  36
  37 static GStaticRWLock element_lock = G_STATIC_RW_LOCK_INIT;
  38 static GNode *element_root = NULL;
  39
  40 static GSList *driver_list = NULL;
  41
  42 static gchar *device_filter = NULL;
  43
  44 static struct {
  45         enum connman_property_id id;
  46         int type;
  47         const char *name;
  48         const void *value;
  49 } propid_table[] = {
  50         { CONNMAN_PROPERTY_ID_IPV4_METHOD,
  51                 DBUS_TYPE_STRING, "IPv4.Method", "dhcp" },
  52         { CONNMAN_PROPERTY_ID_IPV4_ADDRESS,
  53                 DBUS_TYPE_STRING, "IPv4.Address" },
  54         { CONNMAN_PROPERTY_ID_IPV4_NETMASK,
  55                 DBUS_TYPE_STRING, "IPv4.Netmask" },
  56         { CONNMAN_PROPERTY_ID_IPV4_GATEWAY,
  57                 DBUS_TYPE_STRING, "IPv4.Gateway" },
  58         { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
  59                 DBUS_TYPE_STRING, "IPv4.Nameserver" },
  60
  61         { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
  62                 DBUS_TYPE_STRING, "WiFi.Security" },
  63         { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
  64                 DBUS_TYPE_STRING, "WiFi.Passphrase" },
  65
  66         { }
  67 };
  68
  69 static int propid2type(enum connman_property_id id)
  70 {
  71         int i;
  72
  73         for (i = 0; propid_table[i].name; i++) {
  74                 if (propid_table[i].id == id)
  75                         return propid_table[i].type;
  76         }
  77
  78         return DBUS_TYPE_INVALID;
  79 }
  80
  81 static const char *propid2name(enum connman_property_id id)
  82 {
  83         int i;
  84
  85         for (i = 0; propid_table[i].name; i++) {
  86                 if (propid_table[i].id == id)
  87                         return propid_table[i].name;
  88         }
  89
  90         return NULL;
  91 }
  92
  93 static const char *type2string(enum connman_element_type type)
  94 {
  95         switch (type) {
  96         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  97                 return "unknown";
  98         case CONNMAN_ELEMENT_TYPE_ROOT:
  99                 return "root";
 100         case CONNMAN_ELEMENT_TYPE_PROFILE:
 101                 return "profile";
 102         case CONNMAN_ELEMENT_TYPE_DEVICE:
 103                 return "device";
 104         case CONNMAN_ELEMENT_TYPE_NETWORK:
 105                 return "network";
 106         case CONNMAN_ELEMENT_TYPE_SERVICE:
 107                 return "service";
 108         case CONNMAN_ELEMENT_TYPE_IPV4:
 109                 return "ipv4";
 110         case CONNMAN_ELEMENT_TYPE_IPV6:
 111                 return "ipv6";
 112         case CONNMAN_ELEMENT_TYPE_DHCP:
 113                 return "dhcp";
 114         case CONNMAN_ELEMENT_TYPE_BOOTP:
 115                 return "bootp";
 116         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 117                 return "zeroconf";
 118         case CONNMAN_ELEMENT_TYPE_RESOLVER:
 119                 return "resolver";
 120         case CONNMAN_ELEMENT_TYPE_CONNECTION:
 121                 return "connection";
 122         }
 123
 124         return NULL;
 125 }
 126
 127 static const char *subtype2string(enum connman_element_subtype type)
 128 {
 129         switch (type) {
 130         case CONNMAN_ELEMENT_SUBTYPE_UNKNOWN:
 131                 return "unknown";
 132         case CONNMAN_ELEMENT_SUBTYPE_FAKE:
 133                 return "fake";
 134         case CONNMAN_ELEMENT_SUBTYPE_NETWORK:
 135                 return "network";
 136         case CONNMAN_ELEMENT_SUBTYPE_ETHERNET:
 137                 return "ethernet";
 138         case CONNMAN_ELEMENT_SUBTYPE_WIFI:
 139                 return "wifi";
 140         case CONNMAN_ELEMENT_SUBTYPE_WIMAX:
 141                 return "wimax";
 142         case CONNMAN_ELEMENT_SUBTYPE_MODEM:
 143                 return "modem";
 144         case CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH:
 145                 return "bluetooth";
 146         }
 147
 148         return NULL;
 149 }
 150
 151 static const char *policy2string(enum connman_element_policy policy)
 152 {
 153         switch (policy) {
 154         case CONNMAN_ELEMENT_POLICY_UNKNOWN:
 155                 return "unknown";
 156         case CONNMAN_ELEMENT_POLICY_OFF:
 157                 return "off";
 158         case CONNMAN_ELEMENT_POLICY_AUTO:
 159                 return "auto";
 160         case CONNMAN_ELEMENT_POLICY_IGNORE:
 161                 return "ignore";
 162         case CONNMAN_ELEMENT_POLICY_ASK:
 163                 return "ask";
 164         }
 165
 166         return NULL;
 167 }
 168
 169 static void append_property(DBusMessageIter *dict,
 170                                 struct connman_property *property)
 171 {
 172         if (property->value == NULL)
 173                 return;
 174
 175         if (property->type == DBUS_TYPE_ARRAY)
 176                 connman_dbus_dict_append_array(dict, property->name,
 177                         property->subtype, &property->value, property->size);
 178         else
 179                 connman_dbus_dict_append_variant(dict, property->name,
 180                                         property->type, &property->value);
 181 }
 182
 183 static void add_common_properties(struct connman_element *element,
 184                                                 DBusMessageIter *dict)
 185 {
 186         GSList *list;
 187
 188         if (element->priority > 0)
 189                 connman_dbus_dict_append_variant(dict, "Priority",
 190                                         DBUS_TYPE_UINT16, &element->priority);
 191
 192         if (element->ipv4.address != NULL)
 193                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 194                                 DBUS_TYPE_STRING, &element->ipv4.address);
 195         if (element->ipv4.netmask != NULL)
 196                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 197                                 DBUS_TYPE_STRING, &element->ipv4.netmask);
 198         if (element->ipv4.gateway != NULL)
 199                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 200                                 DBUS_TYPE_STRING, &element->ipv4.gateway);
 201
 202         if (element->wifi.security != NULL) {
 203                 const char *passphrase = "";
 204
 205                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 206                                 DBUS_TYPE_STRING, &element->wifi.security);
 207
 208                 if (element->wifi.passphrase != NULL)
 209                         passphrase = element->wifi.passphrase;
 210
 211                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 212                                 DBUS_TYPE_STRING, &passphrase);
 213         }
 214
 215         __connman_element_lock(element);
 216
 217         for (list = element->properties; list; list = list->next) {
 218                 struct connman_property *property = list->data;
 219
 220                 append_property(dict, property);
 221         }
 222
 223         __connman_element_unlock(element);
 224 }
 225
 226 static void set_common_property(struct connman_element *element,
 227                                 const char *name, DBusMessageIter *value)
 228 {
 229         GSList *list;
 230
 231         if (g_str_equal(name, "Priority") == TRUE) {
 232                 dbus_message_iter_get_basic(value, &element->priority);
 233                 return;
 234         }
 235
 236         __connman_element_lock(element);
 237
 238         for (list = element->properties; list; list = list->next) {
 239                 struct connman_property *property = list->data;
 240                 const char *str;
 241
 242                 if (g_str_equal(property->name, name) == FALSE)
 243                         continue;
 244
 245                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 246                         continue;
 247
 248                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 249
 250                 if (property->type == DBUS_TYPE_STRING) {
 251                         dbus_message_iter_get_basic(value, &str);
 252                         g_free(property->value);
 253                         property->value = g_strdup(str);
 254                 } else
 255                         property->value = NULL;
 256         }
 257
 258         __connman_element_unlock(element);
 259 }
 260
 261 static DBusMessage *do_update(DBusConnection *conn,
 262                                         DBusMessage *msg, void *data)
 263 {
 264         struct connman_element *element = data;
 265
 266         DBG("conn %p", conn);
 267
 268         if (element->enabled == FALSE)
 269                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 270
 271         if (element->driver && element->driver->update) {
 272                 DBG("Calling update callback");
 273                 element->driver->update(element);
 274         }
 275
 276         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 277 }
 278
 279 static DBusMessage *do_enable(DBusConnection *conn,
 280                                         DBusMessage *msg, void *data)
 281 {
 282         struct connman_element *element = data;
 283
 284         DBG("conn %p", conn);
 285
 286         if (element->enabled == TRUE)
 287                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 288
 289         if (element->driver && element->driver->enable) {
 290                 DBG("Calling enable callback");
 291                 if (element->driver->enable(element) < 0)
 292                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 293         }
 294
 295         element->enabled = TRUE;
 296
 297         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 298                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 299                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 300                                                         DBUS_TYPE_INVALID);
 301
 302         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 303 }
 304
 305 static DBusMessage *do_disable(DBusConnection *conn,
 306                                         DBusMessage *msg, void *data)
 307 {
 308         struct connman_element *element = data;
 309
 310         DBG("conn %p", conn);
 311
 312         if (element->enabled == FALSE)
 313                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 314
 315         if (element->driver && element->driver->disable) {
 316                 DBG("Calling disable callback");
 317                 if (element->driver->disable(element) < 0)
 318                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 319         }
 320
 321         element->enabled = FALSE;
 322
 323         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 324                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 325                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 326                                                         DBUS_TYPE_INVALID);
 327
 328         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 329 }
 330
 331 static void append_networks(DBusMessageIter *dict)
 332 {
 333         DBusMessageIter entry, value, iter;
 334         const char *key = "Networks";
 335
 336         dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
 337                                                                 NULL, &entry);
 338
 339         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 340
 341         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 342                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 343                                                                 &value);
 344
 345         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 346                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 347
 348         __connman_element_list(CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 349
 350         dbus_message_iter_close_container(&value, &iter);
 351
 352         dbus_message_iter_close_container(&entry, &value);
 353
 354         dbus_message_iter_close_container(dict, &entry);
 355 }
 356
 357 static DBusMessage *get_device_properties(DBusConnection *conn,
 358                                         DBusMessage *msg, void *data)
 359 {
 360         struct connman_element *element = data;
 361         DBusMessage *reply;
 362         DBusMessageIter array, dict;
 363         const char *str;
 364
 365         DBG("conn %p", conn);
 366
 367         reply = dbus_message_new_method_return(msg);
 368         if (reply == NULL)
 369                 return NULL;
 370
 371         dbus_message_iter_init_append(reply, &array);
 372
 373         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 374                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 375                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 376                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 377
 378         str = subtype2string(element->subtype);
 379         if (str != NULL)
 380                 connman_dbus_dict_append_variant(&dict, "Type",
 381                                                 DBUS_TYPE_STRING, &str);
 382
 383         str = policy2string(element->policy);
 384         if (str != NULL)
 385                 connman_dbus_dict_append_variant(&dict, "Policy",
 386                                                 DBUS_TYPE_STRING, &str);
 387
 388         connman_dbus_dict_append_variant(&dict, "Powered",
 389                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 390
 391         append_networks(&dict);
 392
 393         add_common_properties(element, &dict);
 394
 395         dbus_message_iter_close_container(&array, &dict);
 396
 397         return reply;
 398 }
 399
 400 static DBusMessage *set_device_property(DBusConnection *conn,
 401                                         DBusMessage *msg, void *data)
 402 {
 403         struct connman_element *element = data;
 404         DBusMessageIter iter;
 405         DBusMessageIter value;
 406         const char *name;
 407
 408         DBG("conn %p", conn);
 409
 410         if (dbus_message_iter_init(msg, &iter) == FALSE)
 411                 return __connman_error_invalid_arguments(msg);
 412
 413         dbus_message_iter_get_basic(&iter, &name);
 414         dbus_message_iter_next(&iter);
 415         dbus_message_iter_recurse(&iter, &value);
 416
 417         if (__connman_security_check_privileges(msg) < 0)
 418                 return __connman_error_permission_denied(msg);
 419
 420         if (g_str_equal(name, "Powered") == TRUE) {
 421                 dbus_bool_t powered;
 422
 423                 dbus_message_iter_get_basic(&value, &powered);
 424
 425                 if (powered == TRUE)
 426                         do_enable(conn, msg, data);
 427                 else
 428                         do_disable(conn, msg, data);
 429         } else
 430                 set_common_property(element, name, &value);
 431
 432         __connman_element_store(element);
 433
 434         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 435 }
 436
 437 static DBusMessage *get_network_properties(DBusConnection *conn,
 438                                         DBusMessage *msg, void *data)
 439 {
 440         struct connman_element *element = data;
 441         DBusMessage *reply;
 442         DBusMessageIter array, dict;
 443         const char *str;
 444
 445         DBG("conn %p", conn);
 446
 447         reply = dbus_message_new_method_return(msg);
 448         if (reply == NULL)
 449                 return NULL;
 450
 451         dbus_message_iter_init_append(reply, &array);
 452
 453         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 454                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 455                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 456                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 457
 458         str = policy2string(element->policy);
 459         if (str != NULL)
 460                 connman_dbus_dict_append_variant(&dict, "Policy",
 461                                                 DBUS_TYPE_STRING, &str);
 462
 463         connman_dbus_dict_append_variant(&dict, "Connected",
 464                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 465
 466         add_common_properties(element, &dict);
 467
 468         dbus_message_iter_close_container(&array, &dict);
 469
 470         return reply;
 471 }
 472
 473 static DBusMessage *set_network_property(DBusConnection *conn,
 474                                         DBusMessage *msg, void *data)
 475 {
 476         struct connman_element *element = data;
 477         DBusMessageIter iter;
 478         DBusMessageIter value;
 479         const char *name;
 480
 481         DBG("conn %p", conn);
 482
 483         if (dbus_message_iter_init(msg, &iter) == FALSE)
 484                 return __connman_error_invalid_arguments(msg);
 485
 486         dbus_message_iter_get_basic(&iter, &name);
 487         dbus_message_iter_next(&iter);
 488         dbus_message_iter_recurse(&iter, &value);
 489
 490         if (__connman_security_check_privileges(msg) < 0)
 491                 return __connman_error_permission_denied(msg);
 492
 493         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 494                 const char *str;
 495
 496                 dbus_message_iter_get_basic(&value, &str);
 497                 g_free(element->wifi.passphrase);
 498                 element->wifi.passphrase = g_strdup(str);
 499         } else
 500                 set_common_property(element, name, &value);
 501
 502         __connman_element_store(element);
 503
 504         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 505 }
 506
 507 static DBusMessage *get_connection_properties(DBusConnection *conn,
 508                                         DBusMessage *msg, void *data)
 509 {
 510         struct connman_element *element = data;
 511         DBusMessage *reply;
 512         DBusMessageIter array, dict;
 513
 514         DBG("conn %p", conn);
 515
 516         reply = dbus_message_new_method_return(msg);
 517         if (reply == NULL)
 518                 return NULL;
 519
 520         dbus_message_iter_init_append(reply, &array);
 521
 522         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 523                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 524                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 525                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 526
 527         add_common_properties(element, &dict);
 528
 529         dbus_message_iter_close_container(&array, &dict);
 530
 531         return reply;
 532 }
 533
 534 #if 0
 535 static DBusMessage *get_properties(DBusConnection *conn,
 536                                         DBusMessage *msg, void *data)
 537 {
 538         struct connman_element *element = data;
 539         DBusMessage *reply;
 540         DBusMessageIter array, dict;
 541         const char *str;
 542
 543         DBG("conn %p", conn);
 544
 545         reply = dbus_message_new_method_return(msg);
 546         if (reply == NULL)
 547                 return NULL;
 548
 549         dbus_message_iter_init_append(reply, &array);
 550
 551         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 552                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 553                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 554                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 555
 556         if (element->parent != NULL &&
 557                         element->parent->type != CONNMAN_ELEMENT_TYPE_ROOT) {
 558                 connman_dbus_dict_append_variant(&dict, "Parent",
 559                                 DBUS_TYPE_OBJECT_PATH, &element->parent->path);
 560         }
 561
 562         str = type2string(element->type);
 563         if (str != NULL)
 564                 connman_dbus_dict_append_variant(&dict, "Type",
 565                                                 DBUS_TYPE_STRING, &str);
 566         str = subtype2string(element->subtype);
 567         if (str != NULL)
 568                 connman_dbus_dict_append_variant(&dict, "Subtype",
 569                                                 DBUS_TYPE_STRING, &str);
 570
 571         connman_dbus_dict_append_variant(&dict, "Enabled",
 572                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 573
 574         add_common_properties(element, &dict);
 575
 576         dbus_message_iter_close_container(&array, &dict);
 577
 578         return reply;
 579 }
 580
 581 static DBusMessage *set_property(DBusConnection *conn,
 582                                         DBusMessage *msg, void *data)
 583 {
 584         struct connman_element *element = data;
 585         DBusMessageIter iter;
 586         DBusMessageIter value;
 587         const char *name;
 588
 589         DBG("conn %p", conn);
 590
 591         if (dbus_message_iter_init(msg, &iter) == FALSE)
 592                 return __connman_error_invalid_arguments(msg);
 593
 594         dbus_message_iter_get_basic(&iter, &name);
 595         dbus_message_iter_next(&iter);
 596         dbus_message_iter_recurse(&iter, &value);
 597
 598         if (__connman_security_check_privileges(msg) < 0)
 599                 return __connman_error_permission_denied(msg);
 600
 601         set_common_property(element, name, &value);
 602
 603         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 604 }
 605
 606 static DBusMessage *clear_property(DBusConnection *conn,
 607                                         DBusMessage *msg, void *data)
 608 {
 609         struct connman_element *element = data;
 610         const char *name;
 611         GSList *list;
 612
 613         DBG("conn %p", conn);
 614
 615         if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
 616                                                 DBUS_TYPE_INVALID) == FALSE)
 617                 return __connman_error_invalid_arguments(msg);
 618
 619         if (__connman_security_check_privileges(msg) < 0)
 620                 return __connman_error_permission_denied(msg);
 621
 622         __connman_element_lock(element);
 623
 624         for (list = element->properties; list; list = list->next) {
 625                 struct connman_property *property = list->data;
 626
 627                 if (g_str_equal(property->name, name) == FALSE)
 628                         continue;
 629
 630                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 631                         continue;
 632
 633                 if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
 634                         continue;
 635
 636                 property->flags |= CONNMAN_PROPERTY_FLAG_REFERENCE;
 637
 638                 if (property->type == DBUS_TYPE_STRING)
 639                         g_free(property->value);
 640
 641                 property->value = NULL;
 642         }
 643
 644         __connman_element_unlock(element);
 645
 646         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 647 }
 648
 649 static GDBusMethodTable element_methods[] = {
 650         { "GetProperties", "",   "a{sv}", get_properties },
 651         { "SetProperty",   "sv", "",      set_property   },
 652         { "ClearProperty", "s",  "",      clear_property },
 653         { "Update",        "",   "",      do_update      },
 654         { "Enable",        "",   "",      do_enable      },
 655         { "Disable",       "",   "",      do_disable     },
 656         { },
 657 };
 658 #endif
 659
 660 static GDBusSignalTable element_signals[] = {
 661         { "PropertyChanged", "sv" },
 662         { },
 663 };
 664
 665 static GDBusMethodTable device_methods[] = {
 666         { "GetProperties", "",   "a{sv}", get_device_properties },
 667         { "SetProperty",   "sv", "",      set_device_property   },
 668         { "Scan",          "",   "",      do_update             },
 669         { },
 670 };
 671
 672 static GDBusMethodTable network_methods[] = {
 673         { "GetProperties", "",   "a{sv}", get_network_properties },
 674         { "SetProperty",   "sv", "",      set_network_property   },
 675         { "Connect",       "",   "",      do_enable              },
 676         { "Disconnect",    "",   "",      do_disable             },
 677         { },
 678 };
 679
 680 static GDBusMethodTable connection_methods[] = {
 681         { "GetProperties", "",   "a{sv}", get_connection_properties },
 682         { },
 683 };
 684
 685 struct append_filter {
 686         enum connman_element_type type;
 687         DBusMessageIter *iter;
 688 };
 689
 690 static gboolean append_path(GNode *node, gpointer user_data)
 691 {
 692         struct connman_element *element = node->data;
 693         struct append_filter *filter = user_data;
 694
 695         DBG("element %p name %s", element, element->name);
 696
 697         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 698                 return FALSE;
 699
 700         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 701                                         filter->type != element->type)
 702                 return FALSE;
 703
 704         dbus_message_iter_append_basic(filter->iter,
 705                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 706
 707         return FALSE;
 708 }
 709
 710 void __connman_element_list(enum connman_element_type type,
 711                                                 DBusMessageIter *iter)
 712 {
 713         struct append_filter filter = { type, iter };
 714
 715         DBG("");
 716
 717         g_static_rw_lock_reader_lock(&element_lock);
 718         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 719                                                         append_path, &filter);
 720         g_static_rw_lock_reader_unlock(&element_lock);
 721 }
 722
 723 struct count_data {
 724         enum connman_element_type type;
 725         int count;
 726 };
 727
 728 static gboolean count_element(GNode *node, gpointer user_data)
 729 {
 730         struct connman_element *element = node->data;
 731         struct count_data *data = user_data;
 732
 733         DBG("element %p name %s", element, element->name);
 734
 735         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 736                 return FALSE;
 737
 738         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 739                                         data->type != element->type)
 740                 return FALSE;
 741
 742         data->count++;
 743
 744         return FALSE;
 745 }
 746
 747 int __connman_element_count(enum connman_element_type type)
 748 {
 749         struct count_data data = { type, 0 };
 750
 751         DBG("");
 752
 753         g_static_rw_lock_reader_lock(&element_lock);
 754         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 755                                                         count_element, &data);
 756         g_static_rw_lock_reader_unlock(&element_lock);
 757
 758         return data.count;
 759 }
 760
 761 static gint compare_priority(gconstpointer a, gconstpointer b)
 762 {
 763         const struct connman_driver *driver1 = a;
 764         const struct connman_driver *driver2 = b;
 765
 766         return driver2->priority - driver1->priority;
 767 }
 768
 769 static gboolean match_driver(struct connman_element *element,
 770                                         struct connman_driver *driver)
 771 {
 772         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 773                 return FALSE;
 774
 775         if (element->type != driver->type &&
 776                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 777                 return FALSE;
 778
 779         if (element->subtype == driver->subtype ||
 780                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 781                 return TRUE;
 782
 783         return FALSE;
 784 }
 785
 786 static gboolean probe_driver(GNode *node, gpointer data)
 787 {
 788         struct connman_element *element = node->data;
 789         struct connman_driver *driver = data;
 790
 791         DBG("element %p name %s", element, element->name);
 792
 793         if (!element->driver && match_driver(element, driver) == TRUE) {
 794                 if (driver->probe(element) < 0)
 795                         return FALSE;
 796
 797                 __connman_element_lock(element);
 798                 element->driver = driver;
 799                 __connman_element_unlock(element);
 800         }
 801
 802         return FALSE;
 803 }
 804
 805 void __connman_driver_rescan(struct connman_driver *driver)
 806 {
 807         DBG("driver %p name %s", driver, driver->name);
 808
 809         if (!driver->probe)
 810                 return;
 811
 812         g_static_rw_lock_writer_lock(&element_lock);
 813
 814         if (element_root != NULL)
 815                 g_node_traverse(element_root, G_PRE_ORDER,
 816                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 817
 818         g_static_rw_lock_writer_unlock(&element_lock);
 819 }
 820
 821 /**
 822  * connman_driver_register:
 823  * @driver: driver definition
 824  *
 825  * Register a new driver
 826  *
 827  * Returns: %0 on success
 828  */
 829 int connman_driver_register(struct connman_driver *driver)
 830 {
 831         DBG("driver %p name %s", driver, driver->name);
 832
 833         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 834                 return -EINVAL;
 835
 836         if (!driver->probe)
 837                 return -EINVAL;
 838
 839         g_static_rw_lock_writer_lock(&element_lock);
 840
 841         driver_list = g_slist_insert_sorted(driver_list, driver,
 842                                                         compare_priority);
 843
 844         if (element_root != NULL)
 845                 g_node_traverse(element_root, G_PRE_ORDER,
 846                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 847
 848         g_static_rw_lock_writer_unlock(&element_lock);
 849
 850         return 0;
 851 }
 852
 853 static gboolean remove_driver(GNode *node, gpointer data)
 854 {
 855         struct connman_element *element = node->data;
 856         struct connman_driver *driver = data;
 857
 858         DBG("element %p name %s", element, element->name);
 859
 860         if (element->driver == driver) {
 861                 if (driver->remove)
 862                         driver->remove(element);
 863
 864                 __connman_element_lock(element);
 865                 element->driver = NULL;
 866                 __connman_element_unlock(element);
 867         }
 868
 869         return FALSE;
 870 }
 871
 872 /**
 873  * connman_driver_unregister:
 874  * @driver: driver definition
 875  *
 876  * Remove a previously registered driver
 877  */
 878 void connman_driver_unregister(struct connman_driver *driver)
 879 {
 880         DBG("driver %p name %s", driver, driver->name);
 881
 882         g_static_rw_lock_writer_lock(&element_lock);
 883
 884         driver_list = g_slist_remove(driver_list, driver);
 885
 886         if (element_root != NULL)
 887                 g_node_traverse(element_root, G_POST_ORDER,
 888                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
 889
 890         g_static_rw_lock_writer_unlock(&element_lock);
 891 }
 892
 893 /**
 894  * connman_element_create:
 895  * @name: element name
 896  *
 897  * Allocate a new element and assign the given #name to it. If the name
 898  * is #NULL, it will be later on created based on the element type.
 899  *
 900  * Returns: a newly-allocated #connman_element structure
 901  */
 902 struct connman_element *connman_element_create(const char *name)
 903 {
 904         struct connman_element *element;
 905
 906         element = g_try_new0(struct connman_element, 1);
 907         if (element == NULL)
 908                 return NULL;
 909
 910         DBG("element %p", element);
 911
 912         element->refcount = 1;
 913
 914         element->name    = g_strdup(name);
 915         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 916         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
 917         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
 918         element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
 919         element->index   = -1;
 920         element->enabled = FALSE;
 921
 922         return element;
 923 }
 924
 925 struct connman_element *connman_element_ref(struct connman_element *element)
 926 {
 927         DBG("element %p name %s refcount %d", element, element->name,
 928                                 g_atomic_int_get(&element->refcount) + 1);
 929
 930         g_atomic_int_inc(&element->refcount);
 931
 932         return element;
 933 }
 934
 935 static void free_properties(struct connman_element *element)
 936 {
 937         GSList *list;
 938
 939         DBG("element %p name %s", element, element->name);
 940
 941         __connman_element_lock(element);
 942
 943         for (list = element->properties; list; list = list->next) {
 944                 struct connman_property *property = list->data;
 945
 946                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
 947                         g_free(property->value);
 948
 949                 g_free(property->name);
 950                 g_free(property);
 951         }
 952
 953         g_slist_free(element->properties);
 954
 955         element->properties = NULL;
 956
 957         __connman_element_unlock(element);
 958 }
 959
 960 void connman_element_unref(struct connman_element *element)
 961 {
 962         DBG("element %p name %s refcount %d", element, element->name,
 963                                 g_atomic_int_get(&element->refcount) - 1);
 964
 965         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
 966                 free_properties(element);
 967                 g_free(element->ipv4.address);
 968                 g_free(element->ipv4.netmask);
 969                 g_free(element->ipv4.gateway);
 970                 g_free(element->ipv4.network);
 971                 g_free(element->ipv4.broadcast);
 972                 g_free(element->ipv4.nameserver);
 973                 g_free(element->path);
 974                 g_free(element->name);
 975                 g_free(element);
 976         }
 977 }
 978
 979 int connman_element_add_static_property(struct connman_element *element,
 980                                 const char *name, int type, const void *value)
 981 {
 982         struct connman_property *property;
 983
 984         DBG("element %p name %s", element, element->name);
 985
 986         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE &&
 987                                                 type != DBUS_TYPE_INT32)
 988                 return -EINVAL;
 989
 990         property = g_try_new0(struct connman_property, 1);
 991         if (property == NULL)
 992                 return -ENOMEM;
 993
 994         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
 995         property->id    = CONNMAN_PROPERTY_ID_INVALID;
 996         property->name  = g_strdup(name);
 997         property->type  = type;
 998
 999         DBG("name %s type %d value %p", name, type, value);
1000
1001         switch (type) {
1002         case DBUS_TYPE_STRING:
1003                 property->value = g_strdup(*((const char **) value));
1004                 break;
1005         case DBUS_TYPE_BYTE:
1006                 property->value = g_try_malloc(1);
1007                 if (property->value != NULL)
1008                         memcpy(property->value, value, 1);
1009                 break;
1010         case DBUS_TYPE_INT32:
1011                 property->value = g_try_malloc(sizeof(gint32));
1012                 if (property->value != NULL)
1013                         memcpy(property->value, value, sizeof(gint32));
1014                 break;
1015         }
1016
1017         __connman_element_lock(element);
1018         element->properties = g_slist_append(element->properties, property);
1019         __connman_element_unlock(element);
1020
1021         return 0;
1022 }
1023
1024 int connman_element_add_static_array_property(struct connman_element *element,
1025                         const char *name, int type, const void *value, int len)
1026 {
1027         struct connman_property *property;
1028
1029         DBG("element %p name %s", element, element->name);
1030
1031         if (type != DBUS_TYPE_BYTE)
1032                 return -EINVAL;
1033
1034         property = g_try_new0(struct connman_property, 1);
1035         if (property == NULL)
1036                 return -ENOMEM;
1037
1038         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
1039         property->id      = CONNMAN_PROPERTY_ID_INVALID;
1040         property->name    = g_strdup(name);
1041         property->type    = DBUS_TYPE_ARRAY;
1042         property->subtype = type;
1043
1044         DBG("name %s type %d value %p", name, type, value);
1045
1046         switch (type) {
1047         case DBUS_TYPE_BYTE:
1048                 property->value = g_try_malloc(len);
1049                 if (property->value != NULL) {
1050                         memcpy(property->value,
1051                                 *((const unsigned char **) value), len);
1052                         property->size = len;
1053                 }
1054                 break;
1055         }
1056
1057         __connman_element_lock(element);
1058         element->properties = g_slist_append(element->properties, property);
1059         __connman_element_unlock(element);
1060
1061         return 0;
1062 }
1063
1064 static void *get_reference_value(struct connman_element *element,
1065                                                 enum connman_property_id id)
1066 {
1067         GSList *list;
1068
1069         DBG("element %p name %s", element, element->name);
1070
1071         for (list = element->properties; list; list = list->next) {
1072                 struct connman_property *property = list->data;
1073
1074                 if (property->id != id)
1075                         continue;
1076
1077                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1078                         return property->value;
1079         }
1080
1081         if (element->parent == NULL)
1082                 return NULL;
1083
1084         return get_reference_value(element->parent, id);
1085 }
1086
1087 static void set_reference_properties(struct connman_element *element)
1088 {
1089         GSList *list;
1090
1091         DBG("element %p name %s", element, element->name);
1092
1093         for (list = element->properties; list; list = list->next) {
1094                 struct connman_property *property = list->data;
1095
1096                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1097                         continue;
1098
1099                 property->value = get_reference_value(element->parent,
1100                                                                 property->id);
1101         }
1102 }
1103
1104 static struct connman_property *create_property(struct connman_element *element,
1105                                                 enum connman_property_id id)
1106 {
1107         struct connman_property *property;
1108         GSList *list;
1109
1110         DBG("element %p name %s", element, element->name);
1111
1112         __connman_element_lock(element);
1113
1114         for (list = element->properties; list; list = list->next) {
1115                 property = list->data;
1116
1117                 if (property->id == id)
1118                         goto unlock;
1119         }
1120
1121         property = g_try_new0(struct connman_property, 1);
1122         if (property == NULL)
1123                 goto unlock;
1124
1125         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
1126         property->id    = id;
1127         property->name  = g_strdup(propid2name(id));
1128         property->type  = propid2type(id);
1129
1130         if (property->name == NULL) {
1131                 g_free(property);
1132                 property = NULL;
1133                 goto unlock;
1134         }
1135
1136         element->properties = g_slist_append(element->properties, property);
1137
1138 unlock:
1139         __connman_element_unlock(element);
1140
1141         return property;
1142 }
1143
1144 static void create_default_properties(struct connman_element *element)
1145 {
1146         struct connman_property *property;
1147         int i;
1148
1149         DBG("element %p name %s", element, element->name);
1150
1151         for (i = 0; propid_table[i].name; i++) {
1152                 DBG("property %s", propid_table[i].name);
1153
1154                 property = create_property(element, propid_table[i].id);
1155
1156                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
1157
1158                 if (propid_table[i].type != DBUS_TYPE_STRING)
1159                         continue;
1160
1161                 if (propid_table[i].value)
1162                         property->value = g_strdup(propid_table[i].value);
1163                 else
1164                         property->value = g_strdup("");
1165         }
1166 }
1167
1168 static int define_properties_valist(struct connman_element *element,
1169                                                                 va_list args)
1170 {
1171         enum connman_property_id id;
1172
1173         DBG("element %p name %s", element, element->name);
1174
1175         id = va_arg(args, enum connman_property_id);
1176
1177         while (id != CONNMAN_PROPERTY_ID_INVALID) {
1178
1179                 DBG("property %d", id);
1180
1181                 create_property(element, id);
1182
1183                 id = va_arg(args, enum connman_property_id);
1184         }
1185
1186         return 0;
1187 }
1188
1189 /**
1190  * connman_element_define_properties:
1191  * @element: an element
1192  * @varargs: list of property identifiers
1193  *
1194  * Define the valid properties for an element.
1195  *
1196  * Returns: %0 on success
1197  */
1198 int connman_element_define_properties(struct connman_element *element, ...)
1199 {
1200         va_list args;
1201         int err;
1202
1203         DBG("element %p name %s", element, element->name);
1204
1205         va_start(args, element);
1206
1207         err = define_properties_valist(element, args);
1208
1209         va_end(args);
1210
1211         return err;
1212 }
1213
1214 int connman_element_create_property(struct connman_element *element,
1215                                                 const char *name, int type)
1216 {
1217         return -EIO;
1218 }
1219
1220 int connman_element_set_property(struct connman_element *element,
1221                                 enum connman_property_id id, const void *value)
1222 {
1223         switch (id) {
1224         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1225                 __connman_element_lock(element);
1226                 g_free(element->ipv4.address);
1227                 element->ipv4.address = g_strdup(*((const char **) value));
1228                 __connman_element_unlock(element);
1229                 break;
1230         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1231                 __connman_element_lock(element);
1232                 g_free(element->ipv4.netmask);
1233                 element->ipv4.netmask = g_strdup(*((const char **) value));
1234                 __connman_element_unlock(element);
1235                 break;
1236         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1237                 __connman_element_lock(element);
1238                 g_free(element->ipv4.gateway);
1239                 element->ipv4.gateway = g_strdup(*((const char **) value));
1240                 __connman_element_unlock(element);
1241                 break;
1242         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1243                 __connman_element_lock(element);
1244                 g_free(element->ipv4.nameserver);
1245                 element->ipv4.nameserver = g_strdup(*((const char **) value));
1246                 __connman_element_unlock(element);
1247                 break;
1248         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1249                 __connman_element_lock(element);
1250                 g_free(element->wifi.security);
1251                 element->wifi.security = g_strdup(*((const char **) value));
1252                 __connman_element_unlock(element);
1253                 break;
1254         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1255                 __connman_element_lock(element);
1256                 g_free(element->wifi.passphrase);
1257                 element->wifi.passphrase = g_strdup(*((const char **) value));
1258                 __connman_element_unlock(element);
1259                 break;
1260         default:
1261                 return -EINVAL;
1262         }
1263
1264         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1265                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1266                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1267                                                         DBUS_TYPE_INVALID);
1268
1269         return 0;
1270 }
1271
1272 int connman_element_get_value(struct connman_element *element,
1273                                 enum connman_property_id id, void *value)
1274 {
1275         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1276                 return -EINVAL;
1277
1278         switch (id) {
1279         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1280                 if (element->ipv4.address == NULL)
1281                         return connman_element_get_value(element->parent,
1282                                                                 id, value);
1283                 __connman_element_lock(element);
1284                 *((char **) value) = element->ipv4.address;
1285                 __connman_element_unlock(element);
1286                 break;
1287         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1288                 if (element->ipv4.netmask == NULL)
1289                         return connman_element_get_value(element->parent,
1290                                                                 id, value);
1291                 __connman_element_lock(element);
1292                 *((char **) value) = element->ipv4.netmask;
1293                 __connman_element_unlock(element);
1294                 break;
1295         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1296                 if (element->ipv4.gateway == NULL)
1297                         return connman_element_get_value(element->parent,
1298                                                                 id, value);
1299                 __connman_element_lock(element);
1300                 *((char **) value) = element->ipv4.gateway;
1301                 __connman_element_unlock(element);
1302                 break;
1303         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1304                 if (element->ipv4.nameserver == NULL)
1305                         return connman_element_get_value(element->parent,
1306                                                                 id, value);
1307                 __connman_element_lock(element);
1308                 *((char **) value) = element->ipv4.nameserver;
1309                 __connman_element_unlock(element);
1310                 break;
1311         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1312                 if (element->wifi.security == NULL)
1313                         return connman_element_get_value(element->parent,
1314                                                                 id, value);
1315                 __connman_element_lock(element);
1316                 *((char **) value) = element->wifi.security;
1317                 __connman_element_unlock(element);
1318                 break;
1319         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1320                 if (element->wifi.passphrase == NULL)
1321                         return connman_element_get_value(element->parent,
1322                                                                 id, value);
1323                 __connman_element_lock(element);
1324                 *((char **) value) = element->wifi.passphrase;
1325                 __connman_element_unlock(element);
1326                 break;
1327         default:
1328                 return -EINVAL;
1329         }
1330
1331         return 0;
1332 }
1333
1334 gboolean connman_element_get_static_property(struct connman_element *element,
1335                                                 const char *name, void *value)
1336 {
1337         GSList *list;
1338         gboolean found = FALSE;
1339
1340         DBG("element %p name %s", element, element->name);
1341
1342         __connman_element_lock(element);
1343
1344         for (list = element->properties; list; list = list->next) {
1345                 struct connman_property *property = list->data;
1346
1347                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1348                         continue;
1349
1350                 if (g_str_equal(property->name, name) == TRUE) {
1351                         switch (property->type) {
1352                         case DBUS_TYPE_STRING:
1353                                 *((char **) value) = property->value;
1354                                 break;
1355                         case DBUS_TYPE_BYTE:
1356                                 *((guint8 *) value) = *((guint8 *) property->value);
1357                                 break;
1358                         case DBUS_TYPE_INT32:
1359                                 *((gint32 *) value) = *((gint32 *) property->value);
1360                                 break;
1361                         }
1362                         found = TRUE;
1363                         break;
1364                 }
1365         }
1366
1367         __connman_element_unlock(element);
1368
1369         return found;
1370 }
1371
1372 gboolean connman_element_get_static_array_property(struct connman_element *element,
1373                                         const char *name, void *value, int *len)
1374 {
1375         GSList *list;
1376         gboolean found = FALSE;
1377
1378         DBG("element %p name %s", element, element->name);
1379
1380         __connman_element_lock(element);
1381
1382         for (list = element->properties; list; list = list->next) {
1383                 struct connman_property *property = list->data;
1384
1385                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1386                         continue;
1387
1388                 if (g_str_equal(property->name, name) == TRUE) {
1389                         *((char **) value) = property->value;
1390                         *len = property->size;
1391                         found = TRUE;
1392                         break;
1393                 }
1394         }
1395
1396         __connman_element_unlock(element);
1397
1398         return found;
1399 }
1400
1401 gboolean connman_element_match_static_property(struct connman_element *element,
1402                                         const char *name, const void *value)
1403 {
1404         GSList *list;
1405         gboolean result = FALSE;
1406
1407         DBG("element %p name %s", element, element->name);
1408
1409         __connman_element_lock(element);
1410
1411         for (list = element->properties; list; list = list->next) {
1412                 struct connman_property *property = list->data;
1413
1414                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1415                         continue;
1416
1417                 if (g_str_equal(property->name, name) == FALSE)
1418                         continue;
1419
1420                 if (property->type == DBUS_TYPE_STRING)
1421                         result = g_str_equal(property->value,
1422                                                 *((const char **) value));
1423
1424                 if (result == TRUE)
1425                         break;
1426         }
1427
1428         __connman_element_unlock(element);
1429
1430         return result;
1431 }
1432
1433 static void append_devices(DBusMessageIter *entry)
1434 {
1435         DBusMessageIter value, iter;
1436         const char *key = "Devices";
1437
1438         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1439
1440         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1441                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1442                                                                 &value);
1443
1444         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1445                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1446
1447         //__connman_element_list(CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
1448
1449         dbus_message_iter_close_container(&value, &iter);
1450
1451         dbus_message_iter_close_container(entry, &value);
1452 }
1453
1454 static void emit_devices_signal(DBusConnection *conn)
1455 {
1456         DBusMessage *signal;
1457         DBusMessageIter entry;
1458
1459         DBG("conn %p", conn);
1460
1461         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1462                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1463         if (signal == NULL)
1464                 return;
1465
1466         dbus_message_iter_init_append(signal, &entry);
1467
1468         append_devices(&entry);
1469
1470         g_dbus_send_message(conn, signal);
1471 }
1472
1473 static void append_connections(DBusMessageIter *entry)
1474 {
1475         DBusMessageIter value, iter;
1476         const char *key = "Connections";
1477
1478         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1479
1480         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1481                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1482                                                                 &value);
1483
1484         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1485                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1486
1487         //__connman_element_list(CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1488
1489         dbus_message_iter_close_container(&value, &iter);
1490
1491         dbus_message_iter_close_container(entry, &value);
1492 }
1493
1494 static void emit_connections_signal(DBusConnection *conn)
1495 {
1496         DBusMessage *signal;
1497         DBusMessageIter entry;
1498
1499         DBG("conn %p", conn);
1500
1501         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1502                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1503         if (signal == NULL)
1504                 return;
1505
1506         dbus_message_iter_init_append(signal, &entry);
1507
1508         append_connections(&entry);
1509
1510         g_dbus_send_message(conn, signal);
1511 }
1512
1513 static void append_state(DBusMessageIter *entry, const char *state)
1514 {
1515         DBusMessageIter value;
1516         const char *key = "State";
1517
1518         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1519
1520         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1521                                         DBUS_TYPE_STRING_AS_STRING, &value);
1522
1523         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1524
1525         dbus_message_iter_close_container(entry, &value);
1526 }
1527
1528 static void emit_state_change(DBusConnection *conn, const char *state)
1529 {
1530         DBusMessage *signal;
1531         DBusMessageIter entry;
1532
1533         DBG("conn %p", conn);
1534
1535         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1536                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1537         if (signal == NULL)
1538                 return;
1539
1540         dbus_message_iter_init_append(signal, &entry);
1541
1542         append_state(&entry, state);
1543
1544         g_dbus_send_message(conn, signal);
1545 }
1546
1547 static void register_element(gpointer data, gpointer user_data)
1548 {
1549         struct connman_element *element = data;
1550         const gchar *basepath;
1551         GSList *list;
1552         GNode *node;
1553
1554         g_static_rw_lock_writer_lock(&element_lock);
1555
1556         __connman_element_lock(element);
1557
1558         if (element->parent) {
1559                 node = g_node_find(element_root, G_PRE_ORDER,
1560                                         G_TRAVERSE_ALL, element->parent);
1561                 basepath = element->parent->path;
1562
1563                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
1564                         element->subtype = element->parent->subtype;
1565         } else {
1566                 element->parent = element_root->data;
1567
1568                 node = element_root;
1569                 basepath = "";
1570         }
1571
1572         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1573
1574         set_reference_properties(element);
1575
1576         __connman_element_unlock(element);
1577
1578         DBG("element %p path %s", element, element->path);
1579
1580         __connman_element_load(element);
1581
1582         g_node_append_data(node, element);
1583
1584 #if 0
1585         if (g_dbus_register_interface(connection, element->path,
1586                                         CONNMAN_ELEMENT_INTERFACE,
1587                                         element_methods, element_signals,
1588                                         NULL, element, NULL) == FALSE)
1589                 connman_error("Failed to register %s element", element->path);
1590 #endif
1591
1592         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1593                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1594                 if (g_dbus_register_interface(connection, element->path,
1595                                         CONNMAN_DEVICE_INTERFACE,
1596                                         device_methods, element_signals,
1597                                         NULL, element, NULL) == FALSE)
1598                         connman_error("Failed to register %s device",
1599                                                                 element->path);
1600                 else
1601                         emit_devices_signal(connection);
1602         }
1603
1604         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1605                 if (g_dbus_register_interface(connection, element->path,
1606                                         CONNMAN_NETWORK_INTERFACE,
1607                                         network_methods, element_signals,
1608                                         NULL, element, NULL) == FALSE)
1609                         connman_error("Failed to register %s network",
1610                                                                 element->path);
1611         }
1612
1613         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1614                 if (g_dbus_register_interface(connection, element->path,
1615                                         CONNMAN_CONNECTION_INTERFACE,
1616                                         connection_methods, element_signals,
1617                                         NULL, element, NULL) == FALSE)
1618                         connman_error("Failed to register %s connection",
1619                                                                 element->path);
1620                 else {
1621                         emit_connections_signal(connection);
1622                         emit_state_change(connection, "online");
1623                 }
1624         }
1625
1626         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1627                                 CONNMAN_MANAGER_INTERFACE, "ElementAdded",
1628                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1629                                                         DBUS_TYPE_INVALID);
1630
1631         g_static_rw_lock_writer_unlock(&element_lock);
1632
1633         __connman_element_store(element);
1634
1635         g_static_rw_lock_writer_lock(&element_lock);
1636
1637         for (list = driver_list; list; list = list->next) {
1638                 struct connman_driver *driver = list->data;
1639
1640                 if (match_driver(element, driver) == FALSE)
1641                         continue;
1642
1643                 DBG("driver %p name %s", driver, driver->name);
1644
1645                 if (driver->probe(element) == 0) {
1646                         __connman_element_lock(element);
1647                         element->driver = driver;
1648                         __connman_element_unlock(element);
1649                         break;
1650                 }
1651         }
1652
1653         g_static_rw_lock_writer_unlock(&element_lock);
1654 }
1655
1656 /**
1657  * connman_element_register:
1658  * @element: the element to register
1659  * @parent: the parent to register the element with
1660  *
1661  * Register an element with the core. It will be register under the given
1662  * parent of if %NULL is provided under the root element.
1663  *
1664  * Returns: %0 on success
1665  */
1666 int connman_element_register(struct connman_element *element,
1667                                         struct connman_element *parent)
1668 {
1669         DBG("element %p name %s parent %p", element, element->name, parent);
1670
1671         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
1672                 if (g_pattern_match_simple(device_filter,
1673                                                 element->name) == FALSE) {
1674                         DBG("ignoring %s device", element->name);
1675                         return -EPERM;
1676                 }
1677         }
1678
1679         if (connman_element_ref(element) == NULL)
1680                 return -EINVAL;
1681
1682         __connman_element_lock(element);
1683
1684         if (element->name == NULL) {
1685                 element->name = g_strdup(type2string(element->type));
1686                 if (element->name == NULL) {
1687                         __connman_element_unlock(element);
1688                         return -EINVAL;
1689                 }
1690         }
1691
1692         element->parent = parent;
1693
1694         __connman_element_unlock(element);
1695
1696         register_element(element, NULL);
1697
1698         return 0;
1699 }
1700
1701 static gboolean remove_element(GNode *node, gpointer user_data)
1702 {
1703         struct connman_element *element = node->data;
1704         struct connman_element *root = user_data;
1705
1706         DBG("element %p name %s", element, element->name);
1707
1708         if (element == root)
1709                 return FALSE;
1710
1711         if (element->driver) {
1712                 if (element->driver->remove)
1713                         element->driver->remove(element);
1714
1715                 __connman_element_lock(element);
1716                 element->driver = NULL;
1717                 __connman_element_unlock(element);
1718         }
1719
1720         if (node != NULL) {
1721                 g_node_unlink(node);
1722                 g_node_destroy(node);
1723         }
1724
1725         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1726                                 CONNMAN_MANAGER_INTERFACE, "ElementRemoved",
1727                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1728                                                         DBUS_TYPE_INVALID);
1729
1730         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1731                 emit_state_change(connection, "offline");
1732                 emit_connections_signal(connection);
1733
1734                 g_dbus_unregister_interface(connection, element->path,
1735                                                 CONNMAN_CONNECTION_INTERFACE);
1736         }
1737
1738         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK)
1739                 g_dbus_unregister_interface(connection, element->path,
1740                                                 CONNMAN_NETWORK_INTERFACE);
1741
1742         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1743                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1744                 emit_devices_signal(connection);
1745
1746                 g_dbus_unregister_interface(connection, element->path,
1747                                                 CONNMAN_DEVICE_INTERFACE);
1748         }
1749
1750 #if 0
1751         g_dbus_unregister_interface(connection, element->path,
1752                                                 CONNMAN_ELEMENT_INTERFACE);
1753 #endif
1754
1755         connman_element_unref(element);
1756
1757         return FALSE;
1758 }
1759
1760 static void unregister_element(gpointer data, gpointer user_data)
1761 {
1762         struct connman_element *element = data;
1763         GNode *node;
1764
1765         DBG("element %p name %s", element, element->name);
1766
1767         g_static_rw_lock_writer_lock(&element_lock);
1768
1769         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1770
1771         if (node != NULL)
1772                 g_node_traverse(node, G_POST_ORDER,
1773                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1774
1775         g_static_rw_lock_writer_unlock(&element_lock);
1776 }
1777
1778 void connman_element_unregister(struct connman_element *element)
1779 {
1780         DBG("element %p name %s", element, element->name);
1781
1782         unregister_element(element, NULL);
1783 }
1784
1785 static void unregister_children(gpointer data, gpointer user_data)
1786 {
1787         struct connman_element *element = data;
1788         GNode *node;
1789
1790         DBG("element %p name %s", element, element->name);
1791
1792         g_static_rw_lock_writer_lock(&element_lock);
1793
1794         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1795
1796         if (node != NULL)
1797                 g_node_traverse(node, G_POST_ORDER,
1798                                 G_TRAVERSE_ALL, -1, remove_element, element);
1799
1800         g_static_rw_lock_writer_unlock(&element_lock);
1801 }
1802
1803 void connman_element_unregister_children(struct connman_element *element)
1804 {
1805         DBG("element %p name %s", element, element->name);
1806
1807         unregister_children(element, NULL);
1808 }
1809
1810 static gboolean update_element(GNode *node, gpointer user_data)
1811 {
1812         struct connman_element *element = node->data;
1813
1814         DBG("element %p name %s", element, element->name);
1815
1816         if (element->driver && element->driver->update)
1817                 element->driver->update(element);
1818
1819         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1820                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1821                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1822                                                         DBUS_TYPE_INVALID);
1823
1824         return FALSE;
1825 }
1826
1827 void connman_element_update(struct connman_element *element)
1828 {
1829         GNode *node;
1830
1831         DBG("element %p name %s", element, element->name);
1832
1833         g_static_rw_lock_reader_lock(&element_lock);
1834
1835         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1836
1837         if (node != NULL)
1838                 g_node_traverse(node, G_PRE_ORDER,
1839                                 G_TRAVERSE_ALL, -1, update_element, NULL);
1840
1841         g_static_rw_lock_reader_unlock(&element_lock);
1842 }
1843
1844 int connman_element_set_enabled(struct connman_element *element,
1845                                                         gboolean enabled)
1846 {
1847         if (element->enabled == enabled)
1848                 return 0;
1849
1850         element->enabled = enabled;
1851
1852         connman_element_update(element);
1853
1854         return 0;
1855 }
1856
1857 int __connman_element_init(DBusConnection *conn, const char *device)
1858 {
1859         struct connman_element *element;
1860
1861         DBG("conn %p", conn);
1862
1863         connection = dbus_connection_ref(conn);
1864         if (connection == NULL)
1865                 return -EIO;
1866
1867         device_filter = g_strdup(device);
1868
1869         g_static_rw_lock_writer_lock(&element_lock);
1870
1871         element = connman_element_create("root");
1872
1873         element->path = g_strdup("/");
1874         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
1875
1876         create_default_properties(element);
1877
1878         element_root = g_node_new(element);
1879
1880         g_static_rw_lock_writer_unlock(&element_lock);
1881
1882         __connman_device_init();
1883
1884         return 0;
1885 }
1886
1887 static gboolean free_driver(GNode *node, gpointer data)
1888 {
1889         struct connman_element *element = node->data;
1890
1891         DBG("element %p name %s", element, element->name);
1892
1893         if (element->driver) {
1894                 if (element->driver->remove)
1895                         element->driver->remove(element);
1896
1897                 __connman_element_lock(element);
1898                 element->driver = NULL;
1899                 __connman_element_unlock(element);
1900         }
1901
1902         return FALSE;
1903 }
1904
1905 static gboolean free_node(GNode *node, gpointer data)
1906 {
1907         struct connman_element *element = node->data;
1908
1909         DBG("element %p name %s", element, element->name);
1910
1911         if (g_node_depth(node) > 1)
1912                 unregister_element(element, NULL);
1913
1914         return FALSE;
1915 }
1916
1917 void __connman_element_cleanup(void)
1918 {
1919         DBG("");
1920
1921         __connman_device_cleanup();
1922
1923         g_static_rw_lock_writer_lock(&element_lock);
1924         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1925                                                         free_driver, NULL);
1926         g_static_rw_lock_writer_unlock(&element_lock);
1927
1928         g_static_rw_lock_writer_lock(&element_lock);
1929         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1930                                                         free_node, NULL);
1931         g_static_rw_lock_writer_unlock(&element_lock);
1932
1933         g_static_rw_lock_writer_lock(&element_lock);
1934         g_node_destroy(element_root);
1935         element_root = NULL;
1936         g_static_rw_lock_writer_unlock(&element_lock);
1937
1938         g_free(device_filter);
1939
1940         dbus_connection_unref(connection);
1941 }