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