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 const char *__connman_element_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 enum connman_element_policy __connman_element_string2policy(const char *policy)
 170 {
 171         if (strcasecmp(policy, "off") == 0)
 172                 return CONNMAN_ELEMENT_POLICY_OFF;
 173         else if (strcasecmp(policy, "ignore") == 0)
 174                 return CONNMAN_ELEMENT_POLICY_IGNORE;
 175         else if (strcasecmp(policy, "auto") == 0)
 176                 return CONNMAN_ELEMENT_POLICY_AUTO;
 177         else if (strcasecmp(policy, "ask") == 0)
 178                 return CONNMAN_ELEMENT_POLICY_ASK;
 179         else
 180                 return CONNMAN_ELEMENT_POLICY_UNKNOWN;
 181 }
 182
 183 static void append_property(DBusMessageIter *dict,
 184                                 struct connman_property *property)
 185 {
 186         if (property->value == NULL)
 187                 return;
 188
 189         switch (property->type) {
 190         case DBUS_TYPE_ARRAY:
 191                 connman_dbus_dict_append_array(dict, property->name,
 192                         property->subtype, &property->value, property->size);
 193                 break;
 194         case DBUS_TYPE_STRING:
 195                 connman_dbus_dict_append_variant(dict, property->name,
 196                                         property->type, &property->value);
 197                 break;
 198         default:
 199                 connman_dbus_dict_append_variant(dict, property->name,
 200                                         property->type, property->value);
 201                 break;
 202         }
 203 }
 204
 205 static void add_common_properties(struct connman_element *element,
 206                                                 DBusMessageIter *dict)
 207 {
 208         const char *address = NULL, *netmask = NULL, *gateway = NULL;
 209         GSList *list;
 210
 211         connman_element_get_value(element,
 212                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
 213         connman_element_get_value(element,
 214                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
 215         connman_element_get_value(element,
 216                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
 217
 218         if (element->priority > 0)
 219                 connman_dbus_dict_append_variant(dict, "Priority",
 220                                         DBUS_TYPE_UINT16, &element->priority);
 221
 222         if (address != NULL)
 223                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 224                                                 DBUS_TYPE_STRING, &address);
 225         if (netmask != NULL)
 226                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 227                                                 DBUS_TYPE_STRING, &netmask);
 228         if (gateway != NULL)
 229                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 230                                                 DBUS_TYPE_STRING, &gateway);
 231
 232         if (element->wifi.security != NULL) {
 233                 const char *passphrase = "";
 234
 235                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 236                                 DBUS_TYPE_STRING, &element->wifi.security);
 237
 238                 if (element->wifi.passphrase != NULL)
 239                         passphrase = element->wifi.passphrase;
 240
 241                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 242                                 DBUS_TYPE_STRING, &passphrase);
 243         }
 244
 245         __connman_element_lock(element);
 246
 247         for (list = element->properties; list; list = list->next) {
 248                 struct connman_property *property = list->data;
 249
 250                 append_property(dict, property);
 251         }
 252
 253         __connman_element_unlock(element);
 254 }
 255
 256 static void set_common_property(struct connman_element *element,
 257                                 const char *name, DBusMessageIter *value)
 258 {
 259         GSList *list;
 260
 261         if (g_str_equal(name, "Priority") == TRUE) {
 262                 dbus_message_iter_get_basic(value, &element->priority);
 263                 return;
 264         }
 265
 266         __connman_element_lock(element);
 267
 268         for (list = element->properties; list; list = list->next) {
 269                 struct connman_property *property = list->data;
 270                 const char *str;
 271
 272                 if (g_str_equal(property->name, name) == FALSE)
 273                         continue;
 274
 275                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 276                         continue;
 277
 278                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 279
 280                 if (property->type == DBUS_TYPE_STRING) {
 281                         dbus_message_iter_get_basic(value, &str);
 282                         g_free(property->value);
 283                         property->value = g_strdup(str);
 284                 } else
 285                         property->value = NULL;
 286         }
 287
 288         __connman_element_unlock(element);
 289 }
 290
 291 static DBusMessage *do_update(DBusConnection *conn,
 292                                         DBusMessage *msg, void *data)
 293 {
 294         struct connman_element *element = data;
 295
 296         DBG("conn %p", conn);
 297
 298         if (element->enabled == FALSE)
 299                 return __connman_error_failed(msg);
 300
 301         if (element->driver && element->driver->update) {
 302                 DBG("Calling update callback");
 303                 if (element->driver->update(element) < 0)
 304                         return __connman_error_failed(msg);
 305
 306         }
 307
 308         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 309 }
 310
 311 static DBusMessage *do_enable(DBusConnection *conn,
 312                                         DBusMessage *msg, void *data)
 313 {
 314         struct connman_element *element = data;
 315
 316         DBG("conn %p", conn);
 317
 318         if (element->enabled == TRUE)
 319                 return __connman_error_failed(msg);
 320
 321         if (element->driver && element->driver->enable) {
 322                 DBG("Calling enable callback");
 323                 if (element->driver->enable(element) < 0)
 324                         return __connman_error_failed(msg);
 325         }
 326
 327         element->enabled = TRUE;
 328
 329 #if 0
 330         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 331                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 332                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 333                                                         DBUS_TYPE_INVALID);
 334 #endif
 335
 336         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 337 }
 338
 339 static DBusMessage *do_disable(DBusConnection *conn,
 340                                         DBusMessage *msg, void *data)
 341 {
 342         struct connman_element *element = data;
 343
 344         DBG("conn %p", conn);
 345
 346         if (element->enabled == FALSE)
 347                 return __connman_error_failed(msg);
 348
 349         if (element->driver && element->driver->disable) {
 350                 DBG("Calling disable callback");
 351                 if (element->driver->disable(element) < 0)
 352                         return __connman_error_failed(msg);
 353         }
 354
 355         element->enabled = FALSE;
 356
 357 #if 0
 358         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 359                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 360                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 361                                                         DBUS_TYPE_INVALID);
 362 #endif
 363
 364         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 365 }
 366
 367 static void append_networks(struct connman_element *element,
 368                                                 DBusMessageIter *dict)
 369 {
 370         DBusMessageIter entry, value, iter;
 371         const char *key = "Networks";
 372
 373         if (element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIFI &&
 374                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIMAX)
 375                 return;
 376
 377         dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
 378                                                                 NULL, &entry);
 379
 380         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 381
 382         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 383                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 384                                                                 &value);
 385
 386         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 387                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 388
 389         __connman_element_list(element, CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 390
 391         dbus_message_iter_close_container(&value, &iter);
 392
 393         dbus_message_iter_close_container(&entry, &value);
 394
 395         dbus_message_iter_close_container(dict, &entry);
 396 }
 397
 398 static DBusMessage *get_device_properties(DBusConnection *conn,
 399                                         DBusMessage *msg, void *data)
 400 {
 401         struct connman_element *element = data;
 402         DBusMessage *reply;
 403         DBusMessageIter array, dict;
 404         const char *str;
 405
 406         DBG("conn %p", conn);
 407
 408         reply = dbus_message_new_method_return(msg);
 409         if (reply == NULL)
 410                 return NULL;
 411
 412         dbus_message_iter_init_append(reply, &array);
 413
 414         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 415                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 416                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 417                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 418
 419         str = subtype2string(element->subtype);
 420         if (str != NULL)
 421                 connman_dbus_dict_append_variant(&dict, "Type",
 422                                                 DBUS_TYPE_STRING, &str);
 423
 424         str = __connman_element_policy2string(element->policy);
 425         if (str != NULL)
 426                 connman_dbus_dict_append_variant(&dict, "Policy",
 427                                                 DBUS_TYPE_STRING, &str);
 428
 429         connman_dbus_dict_append_variant(&dict, "Powered",
 430                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 431
 432         append_networks(element, &dict);
 433
 434         add_common_properties(element, &dict);
 435
 436         dbus_message_iter_close_container(&array, &dict);
 437
 438         return reply;
 439 }
 440
 441 static DBusMessage *set_device_property(DBusConnection *conn,
 442                                         DBusMessage *msg, void *data)
 443 {
 444         struct connman_element *element = data;
 445         DBusMessageIter iter;
 446         DBusMessageIter value;
 447         const char *name;
 448
 449         DBG("conn %p", conn);
 450
 451         if (dbus_message_iter_init(msg, &iter) == FALSE)
 452                 return __connman_error_invalid_arguments(msg);
 453
 454         dbus_message_iter_get_basic(&iter, &name);
 455         dbus_message_iter_next(&iter);
 456         dbus_message_iter_recurse(&iter, &value);
 457
 458         if (__connman_security_check_privileges(msg) < 0)
 459                 return __connman_error_permission_denied(msg);
 460
 461         if (g_str_equal(name, "Powered") == TRUE) {
 462                 dbus_bool_t powered;
 463
 464                 dbus_message_iter_get_basic(&value, &powered);
 465
 466                 if (powered == TRUE)
 467                         do_enable(conn, msg, data);
 468                 else
 469                         do_disable(conn, msg, data);
 470         } else
 471                 set_common_property(element, name, &value);
 472
 473         __connman_element_store(element);
 474
 475         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 476 }
 477
 478 static DBusMessage *get_network_properties(DBusConnection *conn,
 479                                         DBusMessage *msg, void *data)
 480 {
 481         struct connman_element *element = data;
 482         DBusMessage *reply;
 483         DBusMessageIter array, dict;
 484         const char *str;
 485
 486         DBG("conn %p", conn);
 487
 488         reply = dbus_message_new_method_return(msg);
 489         if (reply == NULL)
 490                 return NULL;
 491
 492         dbus_message_iter_init_append(reply, &array);
 493
 494         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 495                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 496                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 497                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 498
 499         str = __connman_element_policy2string(element->policy);
 500         if (str != NULL)
 501                 connman_dbus_dict_append_variant(&dict, "Policy",
 502                                                 DBUS_TYPE_STRING, &str);
 503
 504         connman_dbus_dict_append_variant(&dict, "Connected",
 505                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 506
 507         add_common_properties(element, &dict);
 508
 509         dbus_message_iter_close_container(&array, &dict);
 510
 511         return reply;
 512 }
 513
 514 static DBusMessage *set_network_property(DBusConnection *conn,
 515                                         DBusMessage *msg, void *data)
 516 {
 517         struct connman_element *element = data;
 518         DBusMessageIter iter;
 519         DBusMessageIter value;
 520         const char *name;
 521
 522         DBG("conn %p", conn);
 523
 524         if (dbus_message_iter_init(msg, &iter) == FALSE)
 525                 return __connman_error_invalid_arguments(msg);
 526
 527         dbus_message_iter_get_basic(&iter, &name);
 528         dbus_message_iter_next(&iter);
 529         dbus_message_iter_recurse(&iter, &value);
 530
 531         if (__connman_security_check_privileges(msg) < 0)
 532                 return __connman_error_permission_denied(msg);
 533
 534         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 535                 const char *str;
 536
 537                 dbus_message_iter_get_basic(&value, &str);
 538                 g_free(element->wifi.passphrase);
 539                 element->wifi.passphrase = g_strdup(str);
 540         } else
 541                 set_common_property(element, name, &value);
 542
 543         __connman_element_store(element);
 544
 545         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 546 }
 547
 548 static DBusMessage *get_connection_properties(DBusConnection *conn,
 549                                         DBusMessage *msg, void *data)
 550 {
 551         struct connman_element *element = data;
 552         DBusMessage *reply;
 553         DBusMessageIter array, dict;
 554
 555         DBG("conn %p", conn);
 556
 557         reply = dbus_message_new_method_return(msg);
 558         if (reply == NULL)
 559                 return NULL;
 560
 561         dbus_message_iter_init_append(reply, &array);
 562
 563         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 564                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 565                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 566                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 567
 568         add_common_properties(element, &dict);
 569
 570         dbus_message_iter_close_container(&array, &dict);
 571
 572         return reply;
 573 }
 574
 575 #if 0
 576 static DBusMessage *get_properties(DBusConnection *conn,
 577                                         DBusMessage *msg, void *data)
 578 {
 579         struct connman_element *element = data;
 580         DBusMessage *reply;
 581         DBusMessageIter array, dict;
 582         const char *str;
 583
 584         DBG("conn %p", conn);
 585
 586         reply = dbus_message_new_method_return(msg);
 587         if (reply == NULL)
 588                 return NULL;
 589
 590         dbus_message_iter_init_append(reply, &array);
 591
 592         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 593                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 594                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 595                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 596
 597         if (element->parent != NULL &&
 598                         element->parent->type != CONNMAN_ELEMENT_TYPE_ROOT) {
 599                 connman_dbus_dict_append_variant(&dict, "Parent",
 600                                 DBUS_TYPE_OBJECT_PATH, &element->parent->path);
 601         }
 602
 603         str = type2string(element->type);
 604         if (str != NULL)
 605                 connman_dbus_dict_append_variant(&dict, "Type",
 606                                                 DBUS_TYPE_STRING, &str);
 607         str = subtype2string(element->subtype);
 608         if (str != NULL)
 609                 connman_dbus_dict_append_variant(&dict, "Subtype",
 610                                                 DBUS_TYPE_STRING, &str);
 611
 612         connman_dbus_dict_append_variant(&dict, "Enabled",
 613                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 614
 615         add_common_properties(element, &dict);
 616
 617         dbus_message_iter_close_container(&array, &dict);
 618
 619         return reply;
 620 }
 621
 622 static DBusMessage *set_property(DBusConnection *conn,
 623                                         DBusMessage *msg, void *data)
 624 {
 625         struct connman_element *element = data;
 626         DBusMessageIter iter;
 627         DBusMessageIter value;
 628         const char *name;
 629
 630         DBG("conn %p", conn);
 631
 632         if (dbus_message_iter_init(msg, &iter) == FALSE)
 633                 return __connman_error_invalid_arguments(msg);
 634
 635         dbus_message_iter_get_basic(&iter, &name);
 636         dbus_message_iter_next(&iter);
 637         dbus_message_iter_recurse(&iter, &value);
 638
 639         if (__connman_security_check_privileges(msg) < 0)
 640                 return __connman_error_permission_denied(msg);
 641
 642         set_common_property(element, name, &value);
 643
 644         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 645 }
 646
 647 static DBusMessage *clear_property(DBusConnection *conn,
 648                                         DBusMessage *msg, void *data)
 649 {
 650         struct connman_element *element = data;
 651         const char *name;
 652         GSList *list;
 653
 654         DBG("conn %p", conn);
 655
 656         if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
 657                                                 DBUS_TYPE_INVALID) == FALSE)
 658                 return __connman_error_invalid_arguments(msg);
 659
 660         if (__connman_security_check_privileges(msg) < 0)
 661                 return __connman_error_permission_denied(msg);
 662
 663         __connman_element_lock(element);
 664
 665         for (list = element->properties; list; list = list->next) {
 666                 struct connman_property *property = list->data;
 667
 668                 if (g_str_equal(property->name, name) == FALSE)
 669                         continue;
 670
 671                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 672                         continue;
 673
 674                 if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
 675                         continue;
 676
 677                 property->flags |= CONNMAN_PROPERTY_FLAG_REFERENCE;
 678
 679                 if (property->type == DBUS_TYPE_STRING)
 680                         g_free(property->value);
 681
 682                 property->value = NULL;
 683         }
 684
 685         __connman_element_unlock(element);
 686
 687         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 688 }
 689
 690 static GDBusMethodTable element_methods[] = {
 691         { "GetProperties", "",   "a{sv}", get_properties },
 692         { "SetProperty",   "sv", "",      set_property   },
 693         { "ClearProperty", "s",  "",      clear_property },
 694         { "Update",        "",   "",      do_update      },
 695         { "Enable",        "",   "",      do_enable      },
 696         { "Disable",       "",   "",      do_disable     },
 697         { },
 698 };
 699 #endif
 700
 701 static GDBusSignalTable element_signals[] = {
 702         { "PropertyChanged", "sv" },
 703         { },
 704 };
 705
 706 static GDBusMethodTable device_methods[] = {
 707         { "GetProperties", "",   "a{sv}", get_device_properties },
 708         { "SetProperty",   "sv", "",      set_device_property   },
 709         { "Scan",          "",   "",      do_update             },
 710         { },
 711 };
 712
 713 static GDBusMethodTable network_methods[] = {
 714         { "GetProperties", "",   "a{sv}", get_network_properties },
 715         { "SetProperty",   "sv", "",      set_network_property   },
 716         { "Connect",       "",   "",      do_enable              },
 717         { "Disconnect",    "",   "",      do_disable             },
 718         { },
 719 };
 720
 721 static GDBusMethodTable connection_methods[] = {
 722         { "GetProperties", "",   "a{sv}", get_connection_properties },
 723         { },
 724 };
 725
 726 struct append_filter {
 727         enum connman_element_type type;
 728         DBusMessageIter *iter;
 729 };
 730
 731 static gboolean append_path(GNode *node, gpointer user_data)
 732 {
 733         struct connman_element *element = node->data;
 734         struct append_filter *filter = user_data;
 735
 736         DBG("element %p name %s", element, element->name);
 737
 738         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 739                 return FALSE;
 740
 741         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 742                                         filter->type != element->type)
 743                 return FALSE;
 744
 745         if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 746                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
 747                 return FALSE;
 748
 749         dbus_message_iter_append_basic(filter->iter,
 750                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 751
 752         return FALSE;
 753 }
 754
 755 void __connman_element_list(struct connman_element *element,
 756                                         enum connman_element_type type,
 757                                                         DBusMessageIter *iter)
 758 {
 759         struct append_filter filter = { type, iter };
 760         GNode *node;
 761
 762         DBG("");
 763
 764         if (element != NULL) {
 765                 node = g_node_find(element_root, G_PRE_ORDER,
 766                                                 G_TRAVERSE_ALL, element);
 767                 if (node == NULL)
 768                         return;
 769         } else
 770                 node = element_root;
 771
 772         g_static_rw_lock_reader_lock(&element_lock);
 773         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 774                                                 append_path, &filter);
 775         g_static_rw_lock_reader_unlock(&element_lock);
 776 }
 777
 778 struct count_data {
 779         enum connman_element_type type;
 780         int count;
 781 };
 782
 783 static gboolean count_element(GNode *node, gpointer user_data)
 784 {
 785         struct connman_element *element = node->data;
 786         struct count_data *data = user_data;
 787
 788         DBG("element %p name %s", element, element->name);
 789
 790         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 791                 return FALSE;
 792
 793         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 794                                         data->type != element->type)
 795                 return FALSE;
 796
 797         data->count++;
 798
 799         return FALSE;
 800 }
 801
 802 int __connman_element_count(struct connman_element *element,
 803                                         enum connman_element_type type)
 804 {
 805         struct count_data data = { type, 0 };
 806         GNode *node;
 807
 808         DBG("");
 809
 810         if (element != NULL) {
 811                 node = g_node_find(element_root, G_PRE_ORDER,
 812                                                 G_TRAVERSE_ALL, element);
 813                 if (node == NULL)
 814                         return 0;
 815         } else
 816                 node = element_root;
 817
 818         g_static_rw_lock_reader_lock(&element_lock);
 819         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 820                                                 count_element, &data);
 821         g_static_rw_lock_reader_unlock(&element_lock);
 822
 823         return data.count;
 824 }
 825
 826 static gint compare_priority(gconstpointer a, gconstpointer b)
 827 {
 828         const struct connman_driver *driver1 = a;
 829         const struct connman_driver *driver2 = b;
 830
 831         return driver2->priority - driver1->priority;
 832 }
 833
 834 static gboolean match_driver(struct connman_element *element,
 835                                         struct connman_driver *driver)
 836 {
 837         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 838                 return FALSE;
 839
 840         if (element->type != driver->type &&
 841                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 842                 return FALSE;
 843
 844         if (element->subtype == driver->subtype ||
 845                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 846                 return TRUE;
 847
 848         return FALSE;
 849 }
 850
 851 static void enable_element(struct connman_element *element)
 852 {
 853         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 854                 return;
 855
 856         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 857                 return;
 858
 859         if (element->driver && element->driver->enable) {
 860                 if (element->driver->enable(element) == 0)
 861                         element->enabled = TRUE;
 862         }
 863 }
 864
 865 static gboolean probe_driver(GNode *node, gpointer data)
 866 {
 867         struct connman_element *element = node->data;
 868         struct connman_driver *driver = data;
 869
 870         DBG("element %p name %s", element, element->name);
 871
 872         if (!element->driver && match_driver(element, driver) == TRUE) {
 873                 if (driver->probe(element) < 0)
 874                         return FALSE;
 875
 876                 __connman_element_lock(element);
 877                 element->driver = driver;
 878                 __connman_element_unlock(element);
 879
 880                 enable_element(element);
 881         }
 882
 883         return FALSE;
 884 }
 885
 886 void __connman_driver_rescan(struct connman_driver *driver)
 887 {
 888         DBG("driver %p name %s", driver, driver->name);
 889
 890         if (!driver->probe)
 891                 return;
 892
 893         g_static_rw_lock_writer_lock(&element_lock);
 894
 895         if (element_root != NULL)
 896                 g_node_traverse(element_root, G_PRE_ORDER,
 897                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 898
 899         g_static_rw_lock_writer_unlock(&element_lock);
 900 }
 901
 902 /**
 903  * connman_driver_register:
 904  * @driver: driver definition
 905  *
 906  * Register a new driver
 907  *
 908  * Returns: %0 on success
 909  */
 910 int connman_driver_register(struct connman_driver *driver)
 911 {
 912         DBG("driver %p name %s", driver, driver->name);
 913
 914         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 915                 return -EINVAL;
 916
 917         if (!driver->probe)
 918                 return -EINVAL;
 919
 920         g_static_rw_lock_writer_lock(&element_lock);
 921
 922         driver_list = g_slist_insert_sorted(driver_list, driver,
 923                                                         compare_priority);
 924
 925         if (element_root != NULL)
 926                 g_node_traverse(element_root, G_PRE_ORDER,
 927                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 928
 929         g_static_rw_lock_writer_unlock(&element_lock);
 930
 931         return 0;
 932 }
 933
 934 static void disable_element(struct connman_element *element)
 935 {
 936         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 937                 return;
 938
 939         if (element->enabled == FALSE)
 940                 return;
 941
 942         if (element->driver && element->driver->disable) {
 943                 if (element->driver->disable(element) == 0)
 944                         element->enabled = FALSE;
 945         }
 946 }
 947
 948 static gboolean remove_driver(GNode *node, gpointer data)
 949 {
 950         struct connman_element *element = node->data;
 951         struct connman_driver *driver = data;
 952
 953         DBG("element %p name %s", element, element->name);
 954
 955         if (element->driver == driver) {
 956                 disable_element(element);
 957
 958                 if (driver->remove)
 959                         driver->remove(element);
 960
 961                 __connman_element_lock(element);
 962                 element->driver = NULL;
 963                 __connman_element_unlock(element);
 964         }
 965
 966         return FALSE;
 967 }
 968
 969 /**
 970  * connman_driver_unregister:
 971  * @driver: driver definition
 972  *
 973  * Remove a previously registered driver
 974  */
 975 void connman_driver_unregister(struct connman_driver *driver)
 976 {
 977         DBG("driver %p name %s", driver, driver->name);
 978
 979         g_static_rw_lock_writer_lock(&element_lock);
 980
 981         driver_list = g_slist_remove(driver_list, driver);
 982
 983         if (element_root != NULL)
 984                 g_node_traverse(element_root, G_POST_ORDER,
 985                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
 986
 987         g_static_rw_lock_writer_unlock(&element_lock);
 988 }
 989
 990 /**
 991  * connman_element_create:
 992  * @name: element name
 993  *
 994  * Allocate a new element and assign the given #name to it. If the name
 995  * is #NULL, it will be later on created based on the element type.
 996  *
 997  * Returns: a newly-allocated #connman_element structure
 998  */
 999 struct connman_element *connman_element_create(const char *name)
1000 {
1001         struct connman_element *element;
1002
1003         element = g_try_new0(struct connman_element, 1);
1004         if (element == NULL)
1005                 return NULL;
1006
1007         DBG("element %p", element);
1008
1009         element->refcount = 1;
1010
1011         element->name    = g_strdup(name);
1012         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1013         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
1014         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
1015         element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
1016         element->index   = -1;
1017         element->enabled = FALSE;
1018
1019         return element;
1020 }
1021
1022 struct connman_element *connman_element_ref(struct connman_element *element)
1023 {
1024         DBG("element %p name %s refcount %d", element, element->name,
1025                                 g_atomic_int_get(&element->refcount) + 1);
1026
1027         g_atomic_int_inc(&element->refcount);
1028
1029         return element;
1030 }
1031
1032 static void free_properties(struct connman_element *element)
1033 {
1034         GSList *list;
1035
1036         DBG("element %p name %s", element, element->name);
1037
1038         __connman_element_lock(element);
1039
1040         for (list = element->properties; list; list = list->next) {
1041                 struct connman_property *property = list->data;
1042
1043                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1044                         g_free(property->value);
1045
1046                 g_free(property->name);
1047                 g_free(property);
1048         }
1049
1050         g_slist_free(element->properties);
1051
1052         element->properties = NULL;
1053
1054         __connman_element_unlock(element);
1055 }
1056
1057 void connman_element_unref(struct connman_element *element)
1058 {
1059         DBG("element %p name %s refcount %d", element, element->name,
1060                                 g_atomic_int_get(&element->refcount) - 1);
1061
1062         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
1063                 free_properties(element);
1064                 g_free(element->ipv4.address);
1065                 g_free(element->ipv4.netmask);
1066                 g_free(element->ipv4.gateway);
1067                 g_free(element->ipv4.network);
1068                 g_free(element->ipv4.broadcast);
1069                 g_free(element->ipv4.nameserver);
1070                 g_free(element->path);
1071                 g_free(element->name);
1072                 g_free(element);
1073         }
1074 }
1075
1076 int connman_element_add_static_property(struct connman_element *element,
1077                                 const char *name, int type, const void *value)
1078 {
1079         struct connman_property *property;
1080
1081         DBG("element %p name %s", element, element->name);
1082
1083         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
1084                 return -EINVAL;
1085
1086         property = g_try_new0(struct connman_property, 1);
1087         if (property == NULL)
1088                 return -ENOMEM;
1089
1090         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
1091         property->id    = CONNMAN_PROPERTY_ID_INVALID;
1092         property->name  = g_strdup(name);
1093         property->type  = type;
1094
1095         DBG("name %s type %d value %p", name, type, value);
1096
1097         switch (type) {
1098         case DBUS_TYPE_STRING:
1099                 property->value = g_strdup(*((const char **) value));
1100                 break;
1101         case DBUS_TYPE_BYTE:
1102                 property->value = g_try_malloc(1);
1103                 if (property->value != NULL)
1104                         memcpy(property->value, value, 1);
1105                 break;
1106         }
1107
1108         __connman_element_lock(element);
1109         element->properties = g_slist_append(element->properties, property);
1110         __connman_element_unlock(element);
1111
1112         return 0;
1113 }
1114
1115 int connman_element_add_static_array_property(struct connman_element *element,
1116                         const char *name, int type, const void *value, int len)
1117 {
1118         struct connman_property *property;
1119
1120         DBG("element %p name %s", element, element->name);
1121
1122         if (type != DBUS_TYPE_BYTE)
1123                 return -EINVAL;
1124
1125         property = g_try_new0(struct connman_property, 1);
1126         if (property == NULL)
1127                 return -ENOMEM;
1128
1129         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
1130         property->id      = CONNMAN_PROPERTY_ID_INVALID;
1131         property->name    = g_strdup(name);
1132         property->type    = DBUS_TYPE_ARRAY;
1133         property->subtype = type;
1134
1135         DBG("name %s type %d value %p", name, type, value);
1136
1137         switch (type) {
1138         case DBUS_TYPE_BYTE:
1139                 property->value = g_try_malloc(len);
1140                 if (property->value != NULL) {
1141                         memcpy(property->value,
1142                                 *((const unsigned char **) value), len);
1143                         property->size = len;
1144                 }
1145                 break;
1146         }
1147
1148         __connman_element_lock(element);
1149         element->properties = g_slist_append(element->properties, property);
1150         __connman_element_unlock(element);
1151
1152         return 0;
1153 }
1154
1155 static void *get_reference_value(struct connman_element *element,
1156                                                 enum connman_property_id id)
1157 {
1158         GSList *list;
1159
1160         DBG("element %p name %s", element, element->name);
1161
1162         for (list = element->properties; list; list = list->next) {
1163                 struct connman_property *property = list->data;
1164
1165                 if (property->id != id)
1166                         continue;
1167
1168                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1169                         return property->value;
1170         }
1171
1172         if (element->parent == NULL)
1173                 return NULL;
1174
1175         return get_reference_value(element->parent, id);
1176 }
1177
1178 static void set_reference_properties(struct connman_element *element)
1179 {
1180         GSList *list;
1181
1182         DBG("element %p name %s", element, element->name);
1183
1184         for (list = element->properties; list; list = list->next) {
1185                 struct connman_property *property = list->data;
1186
1187                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1188                         continue;
1189
1190                 property->value = get_reference_value(element->parent,
1191                                                                 property->id);
1192         }
1193 }
1194
1195 static struct connman_property *create_property(struct connman_element *element,
1196                                                 enum connman_property_id id)
1197 {
1198         struct connman_property *property;
1199         GSList *list;
1200
1201         DBG("element %p name %s", element, element->name);
1202
1203         __connman_element_lock(element);
1204
1205         for (list = element->properties; list; list = list->next) {
1206                 property = list->data;
1207
1208                 if (property->id == id)
1209                         goto unlock;
1210         }
1211
1212         property = g_try_new0(struct connman_property, 1);
1213         if (property == NULL)
1214                 goto unlock;
1215
1216         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
1217         property->id    = id;
1218         property->name  = g_strdup(propid2name(id));
1219         property->type  = propid2type(id);
1220
1221         if (property->name == NULL) {
1222                 g_free(property);
1223                 property = NULL;
1224                 goto unlock;
1225         }
1226
1227         element->properties = g_slist_append(element->properties, property);
1228
1229 unlock:
1230         __connman_element_unlock(element);
1231
1232         return property;
1233 }
1234
1235 static void create_default_properties(struct connman_element *element)
1236 {
1237         struct connman_property *property;
1238         int i;
1239
1240         DBG("element %p name %s", element, element->name);
1241
1242         for (i = 0; propid_table[i].name; i++) {
1243                 DBG("property %s", propid_table[i].name);
1244
1245                 property = create_property(element, propid_table[i].id);
1246
1247                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
1248
1249                 if (propid_table[i].type != DBUS_TYPE_STRING)
1250                         continue;
1251
1252                 if (propid_table[i].value)
1253                         property->value = g_strdup(propid_table[i].value);
1254                 else
1255                         property->value = g_strdup("");
1256         }
1257 }
1258
1259 static int define_properties_valist(struct connman_element *element,
1260                                                                 va_list args)
1261 {
1262         enum connman_property_id id;
1263
1264         DBG("element %p name %s", element, element->name);
1265
1266         id = va_arg(args, enum connman_property_id);
1267
1268         while (id != CONNMAN_PROPERTY_ID_INVALID) {
1269
1270                 DBG("property %d", id);
1271
1272                 create_property(element, id);
1273
1274                 id = va_arg(args, enum connman_property_id);
1275         }
1276
1277         return 0;
1278 }
1279
1280 /**
1281  * connman_element_define_properties:
1282  * @element: an element
1283  * @varargs: list of property identifiers
1284  *
1285  * Define the valid properties for an element.
1286  *
1287  * Returns: %0 on success
1288  */
1289 int connman_element_define_properties(struct connman_element *element, ...)
1290 {
1291         va_list args;
1292         int err;
1293
1294         DBG("element %p name %s", element, element->name);
1295
1296         va_start(args, element);
1297
1298         err = define_properties_valist(element, args);
1299
1300         va_end(args);
1301
1302         return err;
1303 }
1304
1305 int connman_element_create_property(struct connman_element *element,
1306                                                 const char *name, int type)
1307 {
1308         return -EIO;
1309 }
1310
1311 int connman_element_set_property(struct connman_element *element,
1312                                 enum connman_property_id id, const void *value)
1313 {
1314         switch (id) {
1315         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1316                 __connman_element_lock(element);
1317                 g_free(element->ipv4.address);
1318                 element->ipv4.address = g_strdup(*((const char **) value));
1319                 __connman_element_unlock(element);
1320                 break;
1321         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1322                 __connman_element_lock(element);
1323                 g_free(element->ipv4.netmask);
1324                 element->ipv4.netmask = g_strdup(*((const char **) value));
1325                 __connman_element_unlock(element);
1326                 break;
1327         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1328                 __connman_element_lock(element);
1329                 g_free(element->ipv4.gateway);
1330                 element->ipv4.gateway = g_strdup(*((const char **) value));
1331                 __connman_element_unlock(element);
1332                 break;
1333         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1334                 __connman_element_lock(element);
1335                 g_free(element->ipv4.nameserver);
1336                 element->ipv4.nameserver = g_strdup(*((const char **) value));
1337                 __connman_element_unlock(element);
1338                 break;
1339         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1340                 __connman_element_lock(element);
1341                 g_free(element->wifi.security);
1342                 element->wifi.security = g_strdup(*((const char **) value));
1343                 __connman_element_unlock(element);
1344                 break;
1345         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1346                 __connman_element_lock(element);
1347                 g_free(element->wifi.passphrase);
1348                 element->wifi.passphrase = g_strdup(*((const char **) value));
1349                 __connman_element_unlock(element);
1350                 break;
1351         default:
1352                 return -EINVAL;
1353         }
1354
1355 #if 0
1356         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1357                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1358                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1359                                                         DBUS_TYPE_INVALID);
1360 #endif
1361
1362         return 0;
1363 }
1364
1365 int connman_element_get_value(struct connman_element *element,
1366                                 enum connman_property_id id, void *value)
1367 {
1368         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1369                 return -EINVAL;
1370
1371         switch (id) {
1372         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1373                 if (element->ipv4.address == NULL)
1374                         return connman_element_get_value(element->parent,
1375                                                                 id, value);
1376                 __connman_element_lock(element);
1377                 *((char **) value) = element->ipv4.address;
1378                 __connman_element_unlock(element);
1379                 break;
1380         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1381                 if (element->ipv4.netmask == NULL)
1382                         return connman_element_get_value(element->parent,
1383                                                                 id, value);
1384                 __connman_element_lock(element);
1385                 *((char **) value) = element->ipv4.netmask;
1386                 __connman_element_unlock(element);
1387                 break;
1388         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1389                 if (element->ipv4.gateway == NULL)
1390                         return connman_element_get_value(element->parent,
1391                                                                 id, value);
1392                 __connman_element_lock(element);
1393                 *((char **) value) = element->ipv4.gateway;
1394                 __connman_element_unlock(element);
1395                 break;
1396         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1397                 if (element->ipv4.nameserver == NULL)
1398                         return connman_element_get_value(element->parent,
1399                                                                 id, value);
1400                 __connman_element_lock(element);
1401                 *((char **) value) = element->ipv4.nameserver;
1402                 __connman_element_unlock(element);
1403                 break;
1404         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1405                 if (element->wifi.security == NULL)
1406                         return connman_element_get_value(element->parent,
1407                                                                 id, value);
1408                 __connman_element_lock(element);
1409                 *((char **) value) = element->wifi.security;
1410                 __connman_element_unlock(element);
1411                 break;
1412         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1413                 if (element->wifi.passphrase == NULL)
1414                         return connman_element_get_value(element->parent,
1415                                                                 id, value);
1416                 __connman_element_lock(element);
1417                 *((char **) value) = element->wifi.passphrase;
1418                 __connman_element_unlock(element);
1419                 break;
1420         default:
1421                 return -EINVAL;
1422         }
1423
1424         return 0;
1425 }
1426
1427 gboolean connman_element_get_static_property(struct connman_element *element,
1428                                                 const char *name, void *value)
1429 {
1430         GSList *list;
1431         gboolean found = FALSE;
1432
1433         DBG("element %p name %s", element, element->name);
1434
1435         __connman_element_lock(element);
1436
1437         for (list = element->properties; list; list = list->next) {
1438                 struct connman_property *property = list->data;
1439
1440                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1441                         continue;
1442
1443                 if (g_str_equal(property->name, name) == TRUE) {
1444                         switch (property->type) {
1445                         case DBUS_TYPE_STRING:
1446                                 *((char **) value) = property->value;
1447                                 found = TRUE;
1448                                 break;
1449                         }
1450                         break;
1451                 }
1452         }
1453
1454         __connman_element_unlock(element);
1455
1456         return found;
1457 }
1458
1459 gboolean connman_element_get_static_array_property(struct connman_element *element,
1460                                         const char *name, void *value, int *len)
1461 {
1462         GSList *list;
1463         gboolean found = FALSE;
1464
1465         DBG("element %p name %s", element, element->name);
1466
1467         __connman_element_lock(element);
1468
1469         for (list = element->properties; list; list = list->next) {
1470                 struct connman_property *property = list->data;
1471
1472                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1473                         continue;
1474
1475                 if (g_str_equal(property->name, name) == TRUE) {
1476                         *((char **) value) = property->value;
1477                         *len = property->size;
1478                         found = TRUE;
1479                         break;
1480                 }
1481         }
1482
1483         __connman_element_unlock(element);
1484
1485         return found;
1486 }
1487
1488 gboolean connman_element_match_static_property(struct connman_element *element,
1489                                         const char *name, const void *value)
1490 {
1491         GSList *list;
1492         gboolean result = FALSE;
1493
1494         DBG("element %p name %s", element, element->name);
1495
1496         __connman_element_lock(element);
1497
1498         for (list = element->properties; list; list = list->next) {
1499                 struct connman_property *property = list->data;
1500
1501                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1502                         continue;
1503
1504                 if (g_str_equal(property->name, name) == FALSE)
1505                         continue;
1506
1507                 if (property->type == DBUS_TYPE_STRING)
1508                         result = g_str_equal(property->value,
1509                                                 *((const char **) value));
1510
1511                 if (result == TRUE)
1512                         break;
1513         }
1514
1515         __connman_element_unlock(element);
1516
1517         return result;
1518 }
1519
1520 static void append_devices(DBusMessageIter *entry)
1521 {
1522         DBusMessageIter value, iter;
1523         const char *key = "Devices";
1524
1525         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1526
1527         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1528                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1529                                                                 &value);
1530
1531         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1532                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1533
1534         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
1535
1536         dbus_message_iter_close_container(&value, &iter);
1537
1538         dbus_message_iter_close_container(entry, &value);
1539 }
1540
1541 static void emit_devices_signal(DBusConnection *conn)
1542 {
1543         DBusMessage *signal;
1544         DBusMessageIter entry;
1545
1546         DBG("conn %p", conn);
1547
1548         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1549                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1550         if (signal == NULL)
1551                 return;
1552
1553         dbus_message_iter_init_append(signal, &entry);
1554
1555         append_devices(&entry);
1556
1557         g_dbus_send_message(conn, signal);
1558 }
1559
1560 static void append_connections(DBusMessageIter *entry)
1561 {
1562         DBusMessageIter value, iter;
1563         const char *key = "Connections";
1564
1565         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1566
1567         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1568                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1569                                                                 &value);
1570
1571         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1572                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1573
1574         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1575
1576         dbus_message_iter_close_container(&value, &iter);
1577
1578         dbus_message_iter_close_container(entry, &value);
1579 }
1580
1581 static void emit_connections_signal(DBusConnection *conn)
1582 {
1583         DBusMessage *signal;
1584         DBusMessageIter entry;
1585
1586         DBG("conn %p", conn);
1587
1588         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1589                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1590         if (signal == NULL)
1591                 return;
1592
1593         dbus_message_iter_init_append(signal, &entry);
1594
1595         append_connections(&entry);
1596
1597         g_dbus_send_message(conn, signal);
1598 }
1599
1600 static void append_state(DBusMessageIter *entry, const char *state)
1601 {
1602         DBusMessageIter value;
1603         const char *key = "State";
1604
1605         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1606
1607         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1608                                         DBUS_TYPE_STRING_AS_STRING, &value);
1609
1610         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1611
1612         dbus_message_iter_close_container(entry, &value);
1613 }
1614
1615 static void emit_state_change(DBusConnection *conn, const char *state)
1616 {
1617         DBusMessage *signal;
1618         DBusMessageIter entry;
1619
1620         DBG("conn %p", conn);
1621
1622         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1623                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1624         if (signal == NULL)
1625                 return;
1626
1627         dbus_message_iter_init_append(signal, &entry);
1628
1629         append_state(&entry, state);
1630
1631         g_dbus_send_message(conn, signal);
1632 }
1633
1634 static void register_element(gpointer data, gpointer user_data)
1635 {
1636         struct connman_element *element = data;
1637         const gchar *basepath;
1638         GSList *list;
1639         GNode *node;
1640
1641         g_static_rw_lock_writer_lock(&element_lock);
1642
1643         __connman_element_lock(element);
1644
1645         if (element->parent) {
1646                 node = g_node_find(element_root, G_PRE_ORDER,
1647                                         G_TRAVERSE_ALL, element->parent);
1648                 basepath = element->parent->path;
1649
1650                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
1651                         element->subtype = element->parent->subtype;
1652         } else {
1653                 element->parent = element_root->data;
1654
1655                 node = element_root;
1656                 basepath = "";
1657         }
1658
1659         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1660
1661         set_reference_properties(element);
1662
1663         __connman_element_unlock(element);
1664
1665         DBG("element %p path %s", element, element->path);
1666
1667         __connman_element_load(element);
1668
1669         g_node_append_data(node, element);
1670
1671 #if 0
1672         if (g_dbus_register_interface(connection, element->path,
1673                                         CONNMAN_ELEMENT_INTERFACE,
1674                                         element_methods, element_signals,
1675                                         NULL, element, NULL) == FALSE)
1676                 connman_error("Failed to register %s element", element->path);
1677 #endif
1678
1679         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1680                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1681                 if (g_dbus_register_interface(connection, element->path,
1682                                         CONNMAN_DEVICE_INTERFACE,
1683                                         device_methods, element_signals,
1684                                         NULL, element, NULL) == FALSE)
1685                         connman_error("Failed to register %s device",
1686                                                                 element->path);
1687                 else
1688                         emit_devices_signal(connection);
1689         }
1690
1691         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1692                 if (g_dbus_register_interface(connection, element->path,
1693                                         CONNMAN_NETWORK_INTERFACE,
1694                                         network_methods, element_signals,
1695                                         NULL, element, NULL) == FALSE)
1696                         connman_error("Failed to register %s network",
1697                                                                 element->path);
1698         }
1699
1700         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1701                 if (g_dbus_register_interface(connection, element->path,
1702                                         CONNMAN_CONNECTION_INTERFACE,
1703                                         connection_methods, element_signals,
1704                                         NULL, element, NULL) == FALSE)
1705                         connman_error("Failed to register %s connection",
1706                                                                 element->path);
1707                 else {
1708                         emit_connections_signal(connection);
1709                         emit_state_change(connection, "online");
1710                 }
1711         }
1712
1713 #if 0
1714         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1715                                 CONNMAN_MANAGER_INTERFACE, "ElementAdded",
1716                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1717                                                         DBUS_TYPE_INVALID);
1718 #endif
1719
1720         g_static_rw_lock_writer_unlock(&element_lock);
1721
1722         __connman_element_store(element);
1723
1724         g_static_rw_lock_writer_lock(&element_lock);
1725
1726         for (list = driver_list; list; list = list->next) {
1727                 struct connman_driver *driver = list->data;
1728
1729                 if (match_driver(element, driver) == FALSE)
1730                         continue;
1731
1732                 DBG("driver %p name %s", driver, driver->name);
1733
1734                 if (driver->probe(element) == 0) {
1735                         __connman_element_lock(element);
1736                         element->driver = driver;
1737                         __connman_element_unlock(element);
1738
1739                         enable_element(element);
1740                         break;
1741                 }
1742         }
1743
1744         g_static_rw_lock_writer_unlock(&element_lock);
1745 }
1746
1747 /**
1748  * connman_element_register:
1749  * @element: the element to register
1750  * @parent: the parent to register the element with
1751  *
1752  * Register an element with the core. It will be register under the given
1753  * parent of if %NULL is provided under the root element.
1754  *
1755  * Returns: %0 on success
1756  */
1757 int connman_element_register(struct connman_element *element,
1758                                         struct connman_element *parent)
1759 {
1760         DBG("element %p name %s parent %p", element, element->name, parent);
1761
1762         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
1763                 if (g_pattern_match_simple(device_filter,
1764                                                 element->name) == FALSE) {
1765                         DBG("ignoring %s device", element->name);
1766                         return -EPERM;
1767                 }
1768         }
1769
1770         if (connman_element_ref(element) == NULL)
1771                 return -EINVAL;
1772
1773         __connman_element_lock(element);
1774
1775         if (element->name == NULL) {
1776                 element->name = g_strdup(type2string(element->type));
1777                 if (element->name == NULL) {
1778                         __connman_element_unlock(element);
1779                         return -EINVAL;
1780                 }
1781         }
1782
1783         element->parent = parent;
1784
1785         __connman_element_unlock(element);
1786
1787         register_element(element, NULL);
1788
1789         return 0;
1790 }
1791
1792 static gboolean remove_element(GNode *node, gpointer user_data)
1793 {
1794         struct connman_element *element = node->data;
1795         struct connman_element *root = user_data;
1796
1797         DBG("element %p name %s", element, element->name);
1798
1799         if (element == root)
1800                 return FALSE;
1801
1802         if (element->driver) {
1803                 if (element->driver->remove)
1804                         element->driver->remove(element);
1805
1806                 __connman_element_lock(element);
1807                 element->driver = NULL;
1808                 __connman_element_unlock(element);
1809         }
1810
1811         if (node != NULL) {
1812                 g_node_unlink(node);
1813                 g_node_destroy(node);
1814         }
1815
1816 #if 0
1817         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1818                                 CONNMAN_MANAGER_INTERFACE, "ElementRemoved",
1819                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1820                                                         DBUS_TYPE_INVALID);
1821 #endif
1822
1823         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1824                 emit_state_change(connection, "offline");
1825                 emit_connections_signal(connection);
1826
1827                 g_dbus_unregister_interface(connection, element->path,
1828                                                 CONNMAN_CONNECTION_INTERFACE);
1829         }
1830
1831         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK)
1832                 g_dbus_unregister_interface(connection, element->path,
1833                                                 CONNMAN_NETWORK_INTERFACE);
1834
1835         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1836                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1837                 emit_devices_signal(connection);
1838
1839                 g_dbus_unregister_interface(connection, element->path,
1840                                                 CONNMAN_DEVICE_INTERFACE);
1841         }
1842
1843 #if 0
1844         g_dbus_unregister_interface(connection, element->path,
1845                                                 CONNMAN_ELEMENT_INTERFACE);
1846 #endif
1847
1848         connman_element_unref(element);
1849
1850         return FALSE;
1851 }
1852
1853 void connman_element_unregister(struct connman_element *element)
1854 {
1855         GNode *node;
1856
1857         DBG("element %p name %s", element, element->name);
1858
1859         g_static_rw_lock_writer_lock(&element_lock);
1860
1861         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1862
1863         if (node != NULL)
1864                 g_node_traverse(node, G_POST_ORDER,
1865                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1866
1867         g_static_rw_lock_writer_unlock(&element_lock);
1868 }
1869
1870 void connman_element_unregister_children(struct connman_element *element)
1871 {
1872         GNode *node;
1873
1874         DBG("element %p name %s", element, element->name);
1875
1876         g_static_rw_lock_writer_lock(&element_lock);
1877
1878         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1879
1880         if (node != NULL)
1881                 g_node_traverse(node, G_POST_ORDER,
1882                                 G_TRAVERSE_ALL, -1, remove_element, element);
1883
1884         g_static_rw_lock_writer_unlock(&element_lock);
1885 }
1886
1887 static gboolean update_element(GNode *node, gpointer user_data)
1888 {
1889         struct connman_element *element = node->data;
1890
1891         DBG("element %p name %s", element, element->name);
1892
1893         if (element->driver && element->driver->update)
1894                 element->driver->update(element);
1895
1896 #if 0
1897         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1898                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1899                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1900                                                         DBUS_TYPE_INVALID);
1901 #endif
1902
1903         return FALSE;
1904 }
1905
1906 void connman_element_update(struct connman_element *element)
1907 {
1908         GNode *node;
1909
1910         DBG("element %p name %s", element, element->name);
1911
1912         g_static_rw_lock_reader_lock(&element_lock);
1913
1914         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1915
1916         if (node != NULL)
1917                 g_node_traverse(node, G_PRE_ORDER,
1918                                 G_TRAVERSE_ALL, -1, update_element, NULL);
1919
1920         g_static_rw_lock_reader_unlock(&element_lock);
1921 }
1922
1923 int connman_element_set_enabled(struct connman_element *element,
1924                                                         gboolean enabled)
1925 {
1926         if (element->enabled == enabled)
1927                 return 0;
1928
1929         element->enabled = enabled;
1930
1931         connman_element_update(element);
1932
1933         return 0;
1934 }
1935
1936 int __connman_element_init(DBusConnection *conn, const char *device)
1937 {
1938         struct connman_element *element;
1939
1940         DBG("conn %p", conn);
1941
1942         connection = dbus_connection_ref(conn);
1943         if (connection == NULL)
1944                 return -EIO;
1945
1946         device_filter = g_strdup(device);
1947
1948         g_static_rw_lock_writer_lock(&element_lock);
1949
1950         element = connman_element_create("root");
1951
1952         element->path = g_strdup("/");
1953         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
1954
1955         create_default_properties(element);
1956
1957         element_root = g_node_new(element);
1958
1959         g_static_rw_lock_writer_unlock(&element_lock);
1960
1961         __connman_device_init();
1962
1963         return 0;
1964 }
1965
1966 static gboolean free_driver(GNode *node, gpointer data)
1967 {
1968         struct connman_element *element = node->data;
1969
1970         DBG("element %p name %s", element, element->name);
1971
1972         if (element->driver) {
1973                 if (element->driver->remove)
1974                         element->driver->remove(element);
1975
1976                 __connman_element_lock(element);
1977                 element->driver = NULL;
1978                 __connman_element_unlock(element);
1979         }
1980
1981         return FALSE;
1982 }
1983
1984 static gboolean free_node(GNode *node, gpointer data)
1985 {
1986         struct connman_element *element = node->data;
1987
1988         DBG("element %p name %s", element, element->name);
1989
1990         if (g_node_depth(node) > 1)
1991                 connman_element_unregister(element);
1992
1993         return FALSE;
1994 }
1995
1996 void __connman_element_cleanup(void)
1997 {
1998         DBG("");
1999
2000         __connman_device_cleanup();
2001
2002         g_static_rw_lock_writer_lock(&element_lock);
2003         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
2004                                                         free_driver, NULL);
2005         g_static_rw_lock_writer_unlock(&element_lock);
2006
2007         g_static_rw_lock_writer_lock(&element_lock);
2008         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
2009                                                         free_node, NULL);
2010         g_static_rw_lock_writer_unlock(&element_lock);
2011
2012         g_static_rw_lock_writer_lock(&element_lock);
2013         g_node_destroy(element_root);
2014         element_root = NULL;
2015         g_static_rw_lock_writer_unlock(&element_lock);
2016
2017         g_free(device_filter);
2018
2019         dbus_connection_unref(connection);
2020 }