vcs.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 GNode *element_root = NULL;
  38 static GSList *driver_list = NULL;
  39 static gchar *device_filter = NULL;
  40
  41 static struct {
  42         enum connman_property_id id;
  43         int type;
  44         const char *name;
  45         const void *value;
  46 } propid_table[] = {
  47         { CONNMAN_PROPERTY_ID_IPV4_METHOD,
  48                 DBUS_TYPE_STRING, "IPv4.Method", "dhcp" },
  49         { CONNMAN_PROPERTY_ID_IPV4_ADDRESS,
  50                 DBUS_TYPE_STRING, "IPv4.Address" },
  51         { CONNMAN_PROPERTY_ID_IPV4_NETMASK,
  52                 DBUS_TYPE_STRING, "IPv4.Netmask" },
  53         { CONNMAN_PROPERTY_ID_IPV4_GATEWAY,
  54                 DBUS_TYPE_STRING, "IPv4.Gateway" },
  55         { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
  56                 DBUS_TYPE_STRING, "IPv4.Nameserver" },
  57
  58         { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
  59                 DBUS_TYPE_STRING, "WiFi.Security" },
  60         { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
  61                 DBUS_TYPE_STRING, "WiFi.Passphrase" },
  62
  63         { }
  64 };
  65
  66 static int propid2type(enum connman_property_id id)
  67 {
  68         int i;
  69
  70         for (i = 0; propid_table[i].name; i++) {
  71                 if (propid_table[i].id == id)
  72                         return propid_table[i].type;
  73         }
  74
  75         return DBUS_TYPE_INVALID;
  76 }
  77
  78 static const char *propid2name(enum connman_property_id id)
  79 {
  80         int i;
  81
  82         for (i = 0; propid_table[i].name; i++) {
  83                 if (propid_table[i].id == id)
  84                         return propid_table[i].name;
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static const char *type2string(enum connman_element_type type)
  91 {
  92         switch (type) {
  93         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  94                 return "unknown";
  95         case CONNMAN_ELEMENT_TYPE_ROOT:
  96                 return "root";
  97         case CONNMAN_ELEMENT_TYPE_PROFILE:
  98                 return "profile";
  99         case CONNMAN_ELEMENT_TYPE_DEVICE:
 100                 return "device";
 101         case CONNMAN_ELEMENT_TYPE_NETWORK:
 102                 return "network";
 103         case CONNMAN_ELEMENT_TYPE_SERVICE:
 104                 return "service";
 105         case CONNMAN_ELEMENT_TYPE_IPV4:
 106                 return "ipv4";
 107         case CONNMAN_ELEMENT_TYPE_IPV6:
 108                 return "ipv6";
 109         case CONNMAN_ELEMENT_TYPE_DHCP:
 110                 return "dhcp";
 111         case CONNMAN_ELEMENT_TYPE_BOOTP:
 112                 return "bootp";
 113         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 114                 return "zeroconf";
 115         case CONNMAN_ELEMENT_TYPE_RESOLVER:
 116                 return "resolver";
 117         case CONNMAN_ELEMENT_TYPE_CONNECTION:
 118                 return "connection";
 119         }
 120
 121         return NULL;
 122 }
 123
 124 static const char *subtype2string(enum connman_element_subtype type)
 125 {
 126         switch (type) {
 127         case CONNMAN_ELEMENT_SUBTYPE_UNKNOWN:
 128                 return "unknown";
 129         case CONNMAN_ELEMENT_SUBTYPE_FAKE:
 130                 return "fake";
 131         case CONNMAN_ELEMENT_SUBTYPE_NETWORK:
 132                 return "network";
 133         case CONNMAN_ELEMENT_SUBTYPE_ETHERNET:
 134                 return "ethernet";
 135         case CONNMAN_ELEMENT_SUBTYPE_WIFI:
 136                 return "wifi";
 137         case CONNMAN_ELEMENT_SUBTYPE_WIMAX:
 138                 return "wimax";
 139         case CONNMAN_ELEMENT_SUBTYPE_MODEM:
 140                 return "modem";
 141         case CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH:
 142                 return "bluetooth";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 const char *__connman_element_policy2string(enum connman_element_policy policy)
 149 {
 150         switch (policy) {
 151         case CONNMAN_ELEMENT_POLICY_UNKNOWN:
 152                 return "unknown";
 153         case CONNMAN_ELEMENT_POLICY_OFF:
 154                 return "off";
 155         case CONNMAN_ELEMENT_POLICY_AUTO:
 156                 return "auto";
 157         case CONNMAN_ELEMENT_POLICY_IGNORE:
 158                 return "ignore";
 159         case CONNMAN_ELEMENT_POLICY_ASK:
 160                 return "ask";
 161         }
 162
 163         return NULL;
 164 }
 165
 166 enum connman_element_policy __connman_element_string2policy(const char *policy)
 167 {
 168         if (strcasecmp(policy, "off") == 0)
 169                 return CONNMAN_ELEMENT_POLICY_OFF;
 170         else if (strcasecmp(policy, "ignore") == 0)
 171                 return CONNMAN_ELEMENT_POLICY_IGNORE;
 172         else if (strcasecmp(policy, "auto") == 0)
 173                 return CONNMAN_ELEMENT_POLICY_AUTO;
 174         else if (strcasecmp(policy, "ask") == 0)
 175                 return CONNMAN_ELEMENT_POLICY_ASK;
 176         else
 177                 return CONNMAN_ELEMENT_POLICY_UNKNOWN;
 178 }
 179
 180 const char *__connman_ipv4_method2string(enum connman_ipv4_method method)
 181 {
 182         switch (method) {
 183         case CONNMAN_IPV4_METHOD_UNKNOWN:
 184                 return "unknown";
 185         case CONNMAN_IPV4_METHOD_OFF:
 186                 return "off";
 187         case CONNMAN_IPV4_METHOD_STATIC:
 188                 return "static";
 189         case CONNMAN_IPV4_METHOD_DHCP:
 190                 return "dhcp";
 191         }
 192
 193         return "unknown";
 194 }
 195
 196 enum connman_ipv4_method __connman_ipv4_string2method(const char *method)
 197 {
 198         if (strcasecmp(method, "off") == 0)
 199                 return CONNMAN_IPV4_METHOD_OFF;
 200         else if (strcasecmp(method, "static") == 0)
 201                 return CONNMAN_IPV4_METHOD_STATIC;
 202         else if (strcasecmp(method, "dhcp") == 0)
 203                 return CONNMAN_IPV4_METHOD_DHCP;
 204         else
 205                 return CONNMAN_IPV4_METHOD_UNKNOWN;
 206 }
 207
 208 static void append_property(DBusMessageIter *dict,
 209                                 struct connman_property *property)
 210 {
 211         if (property->value == NULL)
 212                 return;
 213
 214         switch (property->type) {
 215         case DBUS_TYPE_ARRAY:
 216                 connman_dbus_dict_append_array(dict, property->name,
 217                         property->subtype, &property->value, property->size);
 218                 break;
 219         case DBUS_TYPE_STRING:
 220                 connman_dbus_dict_append_variant(dict, property->name,
 221                                         property->type, &property->value);
 222                 break;
 223         default:
 224                 connman_dbus_dict_append_variant(dict, property->name,
 225                                         property->type, property->value);
 226                 break;
 227         }
 228 }
 229
 230 static void add_common_properties(struct connman_element *element,
 231                                                 DBusMessageIter *dict)
 232 {
 233         const char *address = NULL, *netmask = NULL, *gateway = NULL;
 234         GSList *list;
 235
 236         connman_element_get_value(element,
 237                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
 238         connman_element_get_value(element,
 239                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
 240         connman_element_get_value(element,
 241                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
 242
 243         if (element->priority > 0)
 244                 connman_dbus_dict_append_variant(dict, "Priority",
 245                                         DBUS_TYPE_UINT16, &element->priority);
 246
 247         if (address != NULL)
 248                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 249                                                 DBUS_TYPE_STRING, &address);
 250         if (netmask != NULL)
 251                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 252                                                 DBUS_TYPE_STRING, &netmask);
 253         if (gateway != NULL)
 254                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 255                                                 DBUS_TYPE_STRING, &gateway);
 256
 257         if (element->wifi.security != NULL) {
 258                 const char *passphrase = "";
 259
 260                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 261                                 DBUS_TYPE_STRING, &element->wifi.security);
 262
 263                 if (element->wifi.passphrase != NULL)
 264                         passphrase = element->wifi.passphrase;
 265
 266                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 267                                 DBUS_TYPE_STRING, &passphrase);
 268         }
 269
 270         __connman_element_lock(element);
 271
 272         for (list = element->properties; list; list = list->next) {
 273                 struct connman_property *property = list->data;
 274
 275                 append_property(dict, property);
 276         }
 277
 278         __connman_element_unlock(element);
 279 }
 280
 281 static void set_common_property(struct connman_element *element,
 282                                 const char *name, DBusMessageIter *value)
 283 {
 284         GSList *list;
 285
 286         if (g_str_equal(name, "Priority") == TRUE) {
 287                 dbus_message_iter_get_basic(value, &element->priority);
 288                 return;
 289         }
 290
 291         __connman_element_lock(element);
 292
 293         for (list = element->properties; list; list = list->next) {
 294                 struct connman_property *property = list->data;
 295                 const char *str;
 296
 297                 if (g_str_equal(property->name, name) == FALSE)
 298                         continue;
 299
 300                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 301                         continue;
 302
 303                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 304
 305                 if (property->type == DBUS_TYPE_STRING) {
 306                         dbus_message_iter_get_basic(value, &str);
 307                         g_free(property->value);
 308                         property->value = g_strdup(str);
 309                 } else
 310                         property->value = NULL;
 311         }
 312
 313         __connman_element_unlock(element);
 314 }
 315
 316 static void emit_enabled_signal(DBusConnection *conn,
 317                                         struct connman_element *element)
 318 {
 319         DBusMessage *signal;
 320         DBusMessageIter entry, value;
 321         const char *iface, *key;
 322
 323         DBG("conn %p", conn);
 324
 325         if (element == NULL)
 326                 return;
 327
 328         switch (element->type) {
 329         case CONNMAN_ELEMENT_TYPE_DEVICE:
 330                 iface = CONNMAN_DEVICE_INTERFACE;
 331                 key = "Powered";
 332                 break;
 333         case CONNMAN_ELEMENT_TYPE_NETWORK:
 334                 iface = CONNMAN_NETWORK_INTERFACE;
 335                 key = "Connected";
 336                 break;
 337         default:
 338                 return;
 339         }
 340
 341         signal = dbus_message_new_signal(element->path,
 342                                                 iface, "PropertyChanged");
 343         if (signal == NULL)
 344                 return;
 345
 346         dbus_message_iter_init_append(signal, &entry);
 347
 348         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 349
 350         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 351                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 352
 353         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 354                                                         &element->enabled);
 355
 356         dbus_message_iter_close_container(&entry, &value);
 357
 358         g_dbus_send_message(conn, signal);
 359 }
 360
 361 static DBusMessage *do_update(DBusConnection *conn,
 362                                         DBusMessage *msg, void *data)
 363 {
 364         struct connman_element *element = data;
 365
 366         DBG("conn %p", conn);
 367
 368         if (element->enabled == FALSE)
 369                 return __connman_error_failed(msg);
 370
 371         if (element->driver && element->driver->update) {
 372                 DBG("Calling update callback");
 373                 if (element->driver->update(element) < 0)
 374                         return __connman_error_failed(msg);
 375
 376         }
 377
 378         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 379 }
 380
 381 static DBusMessage *do_enable(DBusConnection *conn,
 382                                         DBusMessage *msg, void *data)
 383 {
 384         struct connman_element *element = data;
 385
 386         DBG("conn %p", conn);
 387
 388         if (element->enabled == TRUE)
 389                 return __connman_error_failed(msg);
 390
 391         if (element->driver && element->driver->enable) {
 392                 DBG("Calling enable callback");
 393                 if (element->driver->enable(element) < 0)
 394                         return __connman_error_failed(msg);
 395         }
 396
 397         element->enabled = TRUE;
 398
 399         emit_enabled_signal(connection, element);
 400
 401         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 402 }
 403
 404 static DBusMessage *do_disable(DBusConnection *conn,
 405                                         DBusMessage *msg, void *data)
 406 {
 407         struct connman_element *element = data;
 408
 409         DBG("conn %p", conn);
 410
 411         if (element->enabled == FALSE)
 412                 return __connman_error_failed(msg);
 413
 414         if (element->driver && element->driver->disable) {
 415                 DBG("Calling disable callback");
 416                 if (element->driver->disable(element) < 0)
 417                         return __connman_error_failed(msg);
 418         }
 419
 420         element->enabled = FALSE;
 421
 422         emit_enabled_signal(connection, element);
 423
 424         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 425 }
 426
 427 static void append_networks(struct connman_element *element,
 428                                                 DBusMessageIter *entry)
 429 {
 430         DBusMessageIter value, iter;
 431         const char *key = "Networks";
 432
 433         if (element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIFI &&
 434                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIMAX)
 435                 return;
 436
 437         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 438
 439         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 440                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 441                                                                 &value);
 442
 443         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 444                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 445
 446         __connman_element_list(element, CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 447
 448         dbus_message_iter_close_container(&value, &iter);
 449
 450         dbus_message_iter_close_container(entry, &value);
 451 }
 452
 453 static DBusMessage *device_get_properties(DBusConnection *conn,
 454                                         DBusMessage *msg, void *data)
 455 {
 456         struct connman_element *element = data;
 457         DBusMessage *reply;
 458         DBusMessageIter array, dict, entry;
 459         const char *str;
 460
 461         DBG("conn %p", conn);
 462
 463         reply = dbus_message_new_method_return(msg);
 464         if (reply == NULL)
 465                 return NULL;
 466
 467         dbus_message_iter_init_append(reply, &array);
 468
 469         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 470                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 471                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 472                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 473
 474         str = subtype2string(element->subtype);
 475         if (str != NULL)
 476                 connman_dbus_dict_append_variant(&dict, "Type",
 477                                                 DBUS_TYPE_STRING, &str);
 478
 479         str = __connman_element_policy2string(element->policy);
 480         if (str != NULL)
 481                 connman_dbus_dict_append_variant(&dict, "Policy",
 482                                                 DBUS_TYPE_STRING, &str);
 483
 484         connman_dbus_dict_append_variant(&dict, "Powered",
 485                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 486
 487         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 488                                                                 NULL, &entry);
 489
 490         append_networks(element, &entry);
 491
 492         dbus_message_iter_close_container(&dict, &entry);
 493
 494         add_common_properties(element, &dict);
 495
 496         dbus_message_iter_close_container(&array, &dict);
 497
 498         return reply;
 499 }
 500
 501 static DBusMessage *device_set_property(DBusConnection *conn,
 502                                         DBusMessage *msg, void *data)
 503 {
 504         struct connman_element *element = data;
 505         DBusMessageIter iter, value;
 506         const char *name;
 507
 508         DBG("conn %p", conn);
 509
 510         if (dbus_message_iter_init(msg, &iter) == FALSE)
 511                 return __connman_error_invalid_arguments(msg);
 512
 513         dbus_message_iter_get_basic(&iter, &name);
 514         dbus_message_iter_next(&iter);
 515         dbus_message_iter_recurse(&iter, &value);
 516
 517         if (__connman_security_check_privileges(msg) < 0)
 518                 return __connman_error_permission_denied(msg);
 519
 520         if (g_str_equal(name, "Powered") == TRUE) {
 521                 dbus_bool_t powered;
 522
 523                 dbus_message_iter_get_basic(&value, &powered);
 524
 525                 if (powered == TRUE)
 526                         do_enable(conn, msg, data);
 527                 else
 528                         do_disable(conn, msg, data);
 529         } else
 530                 set_common_property(element, name, &value);
 531
 532         __connman_element_store(element);
 533
 534         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 535 }
 536
 537 static int parse_network_dict(DBusMessageIter *iter, const char **ssid,
 538                                 const char **security, const char **passphrase)
 539 {
 540         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_DICT_ENTRY) {
 541                 DBusMessageIter entry, value;
 542                 const char *key;
 543
 544                 dbus_message_iter_recurse(iter, &entry);
 545                 dbus_message_iter_get_basic(&entry, &key);
 546
 547                 dbus_message_iter_next(&entry);
 548                 dbus_message_iter_recurse(&entry, &value);
 549
 550                 switch (dbus_message_iter_get_arg_type(&value)) {
 551                 case DBUS_TYPE_STRING:
 552                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 553                                 dbus_message_iter_get_basic(&value, ssid);
 554                         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 555                                 dbus_message_iter_get_basic(&value, security);
 556                         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 557                                 dbus_message_iter_get_basic(&value, passphrase);
 558                         break;
 559                 }
 560
 561                 dbus_message_iter_next(iter);
 562         }
 563
 564         return 0;
 565 }
 566
 567 static DBusMessage *device_create_network(DBusConnection *conn,
 568                                         DBusMessage *msg, void *data)
 569 {
 570         struct connman_element *element = data;
 571         struct connman_element *network;
 572         DBusMessageIter iter, array;
 573         const char *ssid = NULL, *security = NULL, *passphrase = NULL;
 574
 575         DBG("conn %p", conn);
 576
 577         if (dbus_message_iter_init(msg, &iter) == FALSE)
 578                 return __connman_error_invalid_arguments(msg);
 579
 580         dbus_message_iter_recurse(&iter, &array);
 581         parse_network_dict(&array, &ssid, &security, &passphrase);
 582         if (ssid == NULL)
 583                 return __connman_error_invalid_arguments(msg);
 584
 585         DBG("ssid %s security %s passphrase %s", ssid, security, passphrase);
 586
 587         network = connman_element_create(ssid);
 588
 589         network->type = CONNMAN_ELEMENT_TYPE_NETWORK;
 590         network->index = element->index;
 591
 592         network->remember = TRUE;
 593
 594         connman_element_add_static_property(network, "Name",
 595                                                 DBUS_TYPE_STRING, &ssid);
 596
 597         connman_element_add_static_array_property(element, "WiFi.SSID",
 598                                         DBUS_TYPE_BYTE, &ssid, strlen(ssid));
 599
 600         network->wifi.security = g_strdup(security);
 601         network->wifi.passphrase = g_strdup(passphrase);
 602
 603         connman_element_register(network, element);
 604
 605         return g_dbus_create_reply(msg, DBUS_TYPE_OBJECT_PATH, &network->path,
 606                                                         DBUS_TYPE_INVALID);
 607 }
 608
 609 static DBusMessage *device_remove_network(DBusConnection *conn,
 610                                         DBusMessage *msg, void *data)
 611 {
 612         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 613 }
 614
 615 static DBusMessage *network_get_properties(DBusConnection *conn,
 616                                         DBusMessage *msg, void *data)
 617 {
 618         struct connman_element *element = data;
 619         DBusMessage *reply;
 620         DBusMessageIter array, dict;
 621         const char *str;
 622
 623         DBG("conn %p", conn);
 624
 625         reply = dbus_message_new_method_return(msg);
 626         if (reply == NULL)
 627                 return NULL;
 628
 629         dbus_message_iter_init_append(reply, &array);
 630
 631         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 632                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 633                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 634                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 635
 636         str = __connman_element_policy2string(element->policy);
 637         if (str != NULL)
 638                 connman_dbus_dict_append_variant(&dict, "Policy",
 639                                                 DBUS_TYPE_STRING, &str);
 640
 641         connman_dbus_dict_append_variant(&dict, "Available",
 642                                         DBUS_TYPE_BOOLEAN, &element->available);
 643
 644         connman_dbus_dict_append_variant(&dict, "Connected",
 645                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 646
 647         connman_dbus_dict_append_variant(&dict, "Remember",
 648                                         DBUS_TYPE_BOOLEAN, &element->remember);
 649
 650         add_common_properties(element, &dict);
 651
 652         dbus_message_iter_close_container(&array, &dict);
 653
 654         return reply;
 655 }
 656
 657 static DBusMessage *network_set_property(DBusConnection *conn,
 658                                         DBusMessage *msg, void *data)
 659 {
 660         struct connman_element *element = data;
 661         DBusMessageIter iter;
 662         DBusMessageIter value;
 663         const char *name;
 664
 665         DBG("conn %p", conn);
 666
 667         if (dbus_message_iter_init(msg, &iter) == FALSE)
 668                 return __connman_error_invalid_arguments(msg);
 669
 670         dbus_message_iter_get_basic(&iter, &name);
 671         dbus_message_iter_next(&iter);
 672         dbus_message_iter_recurse(&iter, &value);
 673
 674         if (__connman_security_check_privileges(msg) < 0)
 675                 return __connman_error_permission_denied(msg);
 676
 677         if (g_str_equal(name, "Remember") == TRUE) {
 678                 dbus_message_iter_get_basic(&value, &element->remember);
 679         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 680                 const char *str;
 681
 682                 dbus_message_iter_get_basic(&value, &str);
 683                 g_free(element->wifi.passphrase);
 684                 element->wifi.passphrase = g_strdup(str);
 685         } else
 686                 set_common_property(element, name, &value);
 687
 688         __connman_element_store(element);
 689
 690         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 691 }
 692
 693 static DBusMessage *get_connection_properties(DBusConnection *conn,
 694                                         DBusMessage *msg, void *data)
 695 {
 696         struct connman_element *element = data;
 697         DBusMessage *reply;
 698         DBusMessageIter array, dict;
 699
 700         DBG("conn %p", conn);
 701
 702         reply = dbus_message_new_method_return(msg);
 703         if (reply == NULL)
 704                 return NULL;
 705
 706         dbus_message_iter_init_append(reply, &array);
 707
 708         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 709                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 710                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 711                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 712
 713         add_common_properties(element, &dict);
 714
 715         dbus_message_iter_close_container(&array, &dict);
 716
 717         return reply;
 718 }
 719
 720 static GDBusMethodTable device_methods[] = {
 721         { "GetProperties", "",      "a{sv}", device_get_properties },
 722         { "SetProperty",   "sv",    "",      device_set_property   },
 723         { "CreateNetwork", "a{sv}", "o",     device_create_network },
 724         { "RemoveNetwork", "o",     "",      device_remove_network },
 725         { "ProposeScan",   "",      "",      do_update             },
 726         { },
 727 };
 728
 729 static GDBusMethodTable network_methods[] = {
 730         { "GetProperties", "",   "a{sv}", network_get_properties },
 731         { "SetProperty",   "sv", "",      network_set_property   },
 732         { "Connect",       "",   "",      do_enable              },
 733         { "Disconnect",    "",   "",      do_disable             },
 734         { },
 735 };
 736
 737 static GDBusMethodTable connection_methods[] = {
 738         { "GetProperties", "",   "a{sv}", get_connection_properties },
 739         { },
 740 };
 741
 742 static GDBusSignalTable element_signals[] = {
 743         { "PropertyChanged", "sv" },
 744         { },
 745 };
 746
 747 struct append_filter {
 748         enum connman_element_type type;
 749         DBusMessageIter *iter;
 750 };
 751
 752 static gboolean append_path(GNode *node, gpointer user_data)
 753 {
 754         struct connman_element *element = node->data;
 755         struct append_filter *filter = user_data;
 756
 757         DBG("element %p name %s", element, element->name);
 758
 759         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 760                 return FALSE;
 761
 762         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 763                                         filter->type != element->type)
 764                 return FALSE;
 765
 766         if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 767                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
 768                 return FALSE;
 769
 770         dbus_message_iter_append_basic(filter->iter,
 771                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 772
 773         return FALSE;
 774 }
 775
 776 void __connman_element_list(struct connman_element *element,
 777                                         enum connman_element_type type,
 778                                                         DBusMessageIter *iter)
 779 {
 780         struct append_filter filter = { type, iter };
 781         GNode *node;
 782
 783         DBG("");
 784
 785         if (element != NULL) {
 786                 node = g_node_find(element_root, G_PRE_ORDER,
 787                                                 G_TRAVERSE_ALL, element);
 788                 if (node == NULL)
 789                         return;
 790         } else
 791                 node = element_root;
 792
 793         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 794                                                 append_path, &filter);
 795 }
 796
 797 struct count_data {
 798         enum connman_element_type type;
 799         int count;
 800 };
 801
 802 static gboolean count_element(GNode *node, gpointer user_data)
 803 {
 804         struct connman_element *element = node->data;
 805         struct count_data *data = user_data;
 806
 807         DBG("element %p name %s", element, element->name);
 808
 809         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 810                 return FALSE;
 811
 812         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 813                                         data->type != element->type)
 814                 return FALSE;
 815
 816         data->count++;
 817
 818         return FALSE;
 819 }
 820
 821 int __connman_element_count(struct connman_element *element,
 822                                         enum connman_element_type type)
 823 {
 824         struct count_data data = { type, 0 };
 825         GNode *node;
 826
 827         DBG("");
 828
 829         if (element != NULL) {
 830                 node = g_node_find(element_root, G_PRE_ORDER,
 831                                                 G_TRAVERSE_ALL, element);
 832                 if (node == NULL)
 833                         return 0;
 834         } else
 835                 node = element_root;
 836
 837         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 838                                                 count_element, &data);
 839
 840         return data.count;
 841 }
 842
 843 static gint compare_priority(gconstpointer a, gconstpointer b)
 844 {
 845         const struct connman_driver *driver1 = a;
 846         const struct connman_driver *driver2 = b;
 847
 848         return driver2->priority - driver1->priority;
 849 }
 850
 851 static gboolean match_driver(struct connman_element *element,
 852                                         struct connman_driver *driver)
 853 {
 854         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 855                 return FALSE;
 856
 857         if (element->type != driver->type &&
 858                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 859                 return FALSE;
 860
 861         if (element->subtype == driver->subtype ||
 862                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 863                 return TRUE;
 864
 865         return FALSE;
 866 }
 867
 868 static void enable_element(struct connman_element *element)
 869 {
 870         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 871                 return;
 872
 873         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 874                 return;
 875
 876         if (element->driver && element->driver->enable) {
 877                 if (element->driver->enable(element) == 0) {
 878                         element->enabled = TRUE;
 879                         emit_enabled_signal(connection, element);
 880                 }
 881         }
 882 }
 883
 884 static gboolean probe_driver(GNode *node, gpointer data)
 885 {
 886         struct connman_element *element = node->data;
 887         struct connman_driver *driver = data;
 888
 889         DBG("element %p name %s", element, element->name);
 890
 891         if (!element->driver && match_driver(element, driver) == TRUE) {
 892                 if (driver->probe(element) < 0)
 893                         return FALSE;
 894
 895                 __connman_element_lock(element);
 896                 element->driver = driver;
 897                 __connman_element_unlock(element);
 898
 899                 enable_element(element);
 900         }
 901
 902         return FALSE;
 903 }
 904
 905 void __connman_driver_rescan(struct connman_driver *driver)
 906 {
 907         DBG("driver %p name %s", driver, driver->name);
 908
 909         if (!driver->probe)
 910                 return;
 911
 912         if (element_root != NULL)
 913                 g_node_traverse(element_root, G_PRE_ORDER,
 914                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 915 }
 916
 917 /**
 918  * connman_driver_register:
 919  * @driver: driver definition
 920  *
 921  * Register a new driver
 922  *
 923  * Returns: %0 on success
 924  */
 925 int connman_driver_register(struct connman_driver *driver)
 926 {
 927         DBG("driver %p name %s", driver, driver->name);
 928
 929         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 930                 return -EINVAL;
 931
 932         if (!driver->probe)
 933                 return -EINVAL;
 934
 935         driver_list = g_slist_insert_sorted(driver_list, driver,
 936                                                         compare_priority);
 937
 938         if (element_root != NULL)
 939                 g_node_traverse(element_root, G_PRE_ORDER,
 940                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 941
 942         return 0;
 943 }
 944
 945 static void disable_element(struct connman_element *element)
 946 {
 947         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 948                 return;
 949
 950         if (element->enabled == FALSE)
 951                 return;
 952
 953         if (element->driver && element->driver->disable) {
 954                 if (element->driver->disable(element) == 0) {
 955                         element->enabled = FALSE;
 956                         emit_enabled_signal(connection, element);
 957                 }
 958         }
 959 }
 960
 961 static gboolean remove_driver(GNode *node, gpointer data)
 962 {
 963         struct connman_element *element = node->data;
 964         struct connman_driver *driver = data;
 965
 966         DBG("element %p name %s", element, element->name);
 967
 968         if (element->driver == driver) {
 969                 disable_element(element);
 970
 971                 if (driver->remove)
 972                         driver->remove(element);
 973
 974                 __connman_element_lock(element);
 975                 element->driver = NULL;
 976                 __connman_element_unlock(element);
 977         }
 978
 979         return FALSE;
 980 }
 981
 982 /**
 983  * connman_driver_unregister:
 984  * @driver: driver definition
 985  *
 986  * Remove a previously registered driver
 987  */
 988 void connman_driver_unregister(struct connman_driver *driver)
 989 {
 990         DBG("driver %p name %s", driver, driver->name);
 991
 992         driver_list = g_slist_remove(driver_list, driver);
 993
 994         if (element_root != NULL)
 995                 g_node_traverse(element_root, G_POST_ORDER,
 996                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
 997 }
 998
 999 /**
1000  * connman_element_create:
1001  * @name: element name
1002  *
1003  * Allocate a new element and assign the given #name to it. If the name
1004  * is #NULL, it will be later on created based on the element type.
1005  *
1006  * Returns: a newly-allocated #connman_element structure
1007  */
1008 struct connman_element *connman_element_create(const char *name)
1009 {
1010         struct connman_element *element;
1011
1012         element = g_try_new0(struct connman_element, 1);
1013         if (element == NULL)
1014                 return NULL;
1015
1016         DBG("element %p", element);
1017
1018         element->refcount = 1;
1019
1020         element->name    = g_strdup(name);
1021         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1022         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
1023         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
1024         element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
1025         element->index   = -1;
1026         element->enabled = FALSE;
1027
1028         return element;
1029 }
1030
1031 struct connman_element *connman_element_ref(struct connman_element *element)
1032 {
1033         DBG("element %p name %s refcount %d", element, element->name,
1034                                 g_atomic_int_get(&element->refcount) + 1);
1035
1036         g_atomic_int_inc(&element->refcount);
1037
1038         return element;
1039 }
1040
1041 static void free_properties(struct connman_element *element)
1042 {
1043         GSList *list;
1044
1045         DBG("element %p name %s", element, element->name);
1046
1047         __connman_element_lock(element);
1048
1049         for (list = element->properties; list; list = list->next) {
1050                 struct connman_property *property = list->data;
1051
1052                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1053                         g_free(property->value);
1054
1055                 g_free(property->name);
1056                 g_free(property);
1057         }
1058
1059         g_slist_free(element->properties);
1060
1061         element->properties = NULL;
1062
1063         __connman_element_unlock(element);
1064 }
1065
1066 void connman_element_unref(struct connman_element *element)
1067 {
1068         DBG("element %p name %s refcount %d", element, element->name,
1069                                 g_atomic_int_get(&element->refcount) - 1);
1070
1071         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
1072                 free_properties(element);
1073                 g_free(element->ipv4.address);
1074                 g_free(element->ipv4.netmask);
1075                 g_free(element->ipv4.gateway);
1076                 g_free(element->ipv4.network);
1077                 g_free(element->ipv4.broadcast);
1078                 g_free(element->ipv4.nameserver);
1079                 g_free(element->devname);
1080                 g_free(element->path);
1081                 g_free(element->name);
1082                 g_free(element);
1083         }
1084 }
1085
1086 int connman_element_add_static_property(struct connman_element *element,
1087                                 const char *name, int type, const void *value)
1088 {
1089         struct connman_property *property;
1090
1091         DBG("element %p name %s", element, element->name);
1092
1093         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
1094                 return -EINVAL;
1095
1096         property = g_try_new0(struct connman_property, 1);
1097         if (property == NULL)
1098                 return -ENOMEM;
1099
1100         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
1101         property->id    = CONNMAN_PROPERTY_ID_INVALID;
1102         property->name  = g_strdup(name);
1103         property->type  = type;
1104
1105         DBG("name %s type %d value %p", name, type, value);
1106
1107         switch (type) {
1108         case DBUS_TYPE_STRING:
1109                 property->value = g_strdup(*((const char **) value));
1110                 break;
1111         case DBUS_TYPE_BYTE:
1112                 property->value = g_try_malloc(1);
1113                 if (property->value != NULL)
1114                         memcpy(property->value, value, 1);
1115                 break;
1116         }
1117
1118         __connman_element_lock(element);
1119         element->properties = g_slist_append(element->properties, property);
1120         __connman_element_unlock(element);
1121
1122         return 0;
1123 }
1124
1125 int connman_element_add_static_array_property(struct connman_element *element,
1126                         const char *name, int type, const void *value, int len)
1127 {
1128         struct connman_property *property;
1129
1130         DBG("element %p name %s", element, element->name);
1131
1132         if (type != DBUS_TYPE_BYTE)
1133                 return -EINVAL;
1134
1135         property = g_try_new0(struct connman_property, 1);
1136         if (property == NULL)
1137                 return -ENOMEM;
1138
1139         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
1140         property->id      = CONNMAN_PROPERTY_ID_INVALID;
1141         property->name    = g_strdup(name);
1142         property->type    = DBUS_TYPE_ARRAY;
1143         property->subtype = type;
1144
1145         DBG("name %s type %d value %p", name, type, value);
1146
1147         switch (type) {
1148         case DBUS_TYPE_BYTE:
1149                 property->value = g_try_malloc(len);
1150                 if (property->value != NULL) {
1151                         memcpy(property->value,
1152                                 *((const unsigned char **) value), len);
1153                         property->size = len;
1154                 }
1155                 break;
1156         }
1157
1158         __connman_element_lock(element);
1159         element->properties = g_slist_append(element->properties, property);
1160         __connman_element_unlock(element);
1161
1162         return 0;
1163 }
1164
1165 static void *get_reference_value(struct connman_element *element,
1166                                                 enum connman_property_id id)
1167 {
1168         GSList *list;
1169
1170         DBG("element %p name %s", element, element->name);
1171
1172         for (list = element->properties; list; list = list->next) {
1173                 struct connman_property *property = list->data;
1174
1175                 if (property->id != id)
1176                         continue;
1177
1178                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1179                         return property->value;
1180         }
1181
1182         if (element->parent == NULL)
1183                 return NULL;
1184
1185         return get_reference_value(element->parent, id);
1186 }
1187
1188 static void set_reference_properties(struct connman_element *element)
1189 {
1190         GSList *list;
1191
1192         DBG("element %p name %s", element, element->name);
1193
1194         for (list = element->properties; list; list = list->next) {
1195                 struct connman_property *property = list->data;
1196
1197                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1198                         continue;
1199
1200                 property->value = get_reference_value(element->parent,
1201                                                                 property->id);
1202         }
1203 }
1204
1205 static struct connman_property *create_property(struct connman_element *element,
1206                                                 enum connman_property_id id)
1207 {
1208         struct connman_property *property;
1209         GSList *list;
1210
1211         DBG("element %p name %s", element, element->name);
1212
1213         __connman_element_lock(element);
1214
1215         for (list = element->properties; list; list = list->next) {
1216                 property = list->data;
1217
1218                 if (property->id == id)
1219                         goto unlock;
1220         }
1221
1222         property = g_try_new0(struct connman_property, 1);
1223         if (property == NULL)
1224                 goto unlock;
1225
1226         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
1227         property->id    = id;
1228         property->name  = g_strdup(propid2name(id));
1229         property->type  = propid2type(id);
1230
1231         if (property->name == NULL) {
1232                 g_free(property);
1233                 property = NULL;
1234                 goto unlock;
1235         }
1236
1237         element->properties = g_slist_append(element->properties, property);
1238
1239 unlock:
1240         __connman_element_unlock(element);
1241
1242         return property;
1243 }
1244
1245 static void create_default_properties(struct connman_element *element)
1246 {
1247         struct connman_property *property;
1248         int i;
1249
1250         DBG("element %p name %s", element, element->name);
1251
1252         for (i = 0; propid_table[i].name; i++) {
1253                 DBG("property %s", propid_table[i].name);
1254
1255                 property = create_property(element, propid_table[i].id);
1256
1257                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
1258
1259                 if (propid_table[i].type != DBUS_TYPE_STRING)
1260                         continue;
1261
1262                 if (propid_table[i].value)
1263                         property->value = g_strdup(propid_table[i].value);
1264                 else
1265                         property->value = g_strdup("");
1266         }
1267 }
1268
1269 static int define_properties_valist(struct connman_element *element,
1270                                                                 va_list args)
1271 {
1272         enum connman_property_id id;
1273
1274         DBG("element %p name %s", element, element->name);
1275
1276         id = va_arg(args, enum connman_property_id);
1277
1278         while (id != CONNMAN_PROPERTY_ID_INVALID) {
1279
1280                 DBG("property %d", id);
1281
1282                 create_property(element, id);
1283
1284                 id = va_arg(args, enum connman_property_id);
1285         }
1286
1287         return 0;
1288 }
1289
1290 /**
1291  * connman_element_define_properties:
1292  * @element: an element
1293  * @varargs: list of property identifiers
1294  *
1295  * Define the valid properties for an element.
1296  *
1297  * Returns: %0 on success
1298  */
1299 int connman_element_define_properties(struct connman_element *element, ...)
1300 {
1301         va_list args;
1302         int err;
1303
1304         DBG("element %p name %s", element, element->name);
1305
1306         va_start(args, element);
1307
1308         err = define_properties_valist(element, args);
1309
1310         va_end(args);
1311
1312         return err;
1313 }
1314
1315 int connman_element_create_property(struct connman_element *element,
1316                                                 const char *name, int type)
1317 {
1318         return -EIO;
1319 }
1320
1321 int connman_element_set_property(struct connman_element *element,
1322                                 enum connman_property_id id, const void *value)
1323 {
1324         switch (id) {
1325         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1326                 __connman_element_lock(element);
1327                 g_free(element->ipv4.address);
1328                 element->ipv4.address = g_strdup(*((const char **) value));
1329                 __connman_element_unlock(element);
1330                 break;
1331         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1332                 __connman_element_lock(element);
1333                 g_free(element->ipv4.netmask);
1334                 element->ipv4.netmask = g_strdup(*((const char **) value));
1335                 __connman_element_unlock(element);
1336                 break;
1337         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1338                 __connman_element_lock(element);
1339                 g_free(element->ipv4.gateway);
1340                 element->ipv4.gateway = g_strdup(*((const char **) value));
1341                 __connman_element_unlock(element);
1342                 break;
1343         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1344                 __connman_element_lock(element);
1345                 g_free(element->ipv4.nameserver);
1346                 element->ipv4.nameserver = g_strdup(*((const char **) value));
1347                 __connman_element_unlock(element);
1348                 break;
1349         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1350                 __connman_element_lock(element);
1351                 g_free(element->wifi.security);
1352                 element->wifi.security = g_strdup(*((const char **) value));
1353                 __connman_element_unlock(element);
1354                 break;
1355         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1356                 __connman_element_lock(element);
1357                 g_free(element->wifi.passphrase);
1358                 element->wifi.passphrase = g_strdup(*((const char **) value));
1359                 __connman_element_unlock(element);
1360                 break;
1361         default:
1362                 return -EINVAL;
1363         }
1364
1365         return 0;
1366 }
1367
1368 int connman_element_get_value(struct connman_element *element,
1369                                 enum connman_property_id id, void *value)
1370 {
1371         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1372                 return -EINVAL;
1373
1374         switch (id) {
1375         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1376                 if (element->ipv4.address == NULL)
1377                         return connman_element_get_value(element->parent,
1378                                                                 id, value);
1379                 __connman_element_lock(element);
1380                 *((char **) value) = element->ipv4.address;
1381                 __connman_element_unlock(element);
1382                 break;
1383         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1384                 if (element->ipv4.netmask == NULL)
1385                         return connman_element_get_value(element->parent,
1386                                                                 id, value);
1387                 __connman_element_lock(element);
1388                 *((char **) value) = element->ipv4.netmask;
1389                 __connman_element_unlock(element);
1390                 break;
1391         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1392                 if (element->ipv4.gateway == NULL)
1393                         return connman_element_get_value(element->parent,
1394                                                                 id, value);
1395                 __connman_element_lock(element);
1396                 *((char **) value) = element->ipv4.gateway;
1397                 __connman_element_unlock(element);
1398                 break;
1399         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1400                 if (element->ipv4.nameserver == NULL)
1401                         return connman_element_get_value(element->parent,
1402                                                                 id, value);
1403                 __connman_element_lock(element);
1404                 *((char **) value) = element->ipv4.nameserver;
1405                 __connman_element_unlock(element);
1406                 break;
1407         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1408                 if (element->wifi.security == NULL)
1409                         return connman_element_get_value(element->parent,
1410                                                                 id, value);
1411                 __connman_element_lock(element);
1412                 *((char **) value) = element->wifi.security;
1413                 __connman_element_unlock(element);
1414                 break;
1415         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1416                 if (element->wifi.passphrase == NULL)
1417                         return connman_element_get_value(element->parent,
1418                                                                 id, value);
1419                 __connman_element_lock(element);
1420                 *((char **) value) = element->wifi.passphrase;
1421                 __connman_element_unlock(element);
1422                 break;
1423         default:
1424                 return -EINVAL;
1425         }
1426
1427         return 0;
1428 }
1429
1430 gboolean connman_element_get_static_property(struct connman_element *element,
1431                                                 const char *name, void *value)
1432 {
1433         GSList *list;
1434         gboolean found = FALSE;
1435
1436         DBG("element %p name %s", element, element->name);
1437
1438         __connman_element_lock(element);
1439
1440         for (list = element->properties; list; list = list->next) {
1441                 struct connman_property *property = list->data;
1442
1443                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1444                         continue;
1445
1446                 if (g_str_equal(property->name, name) == TRUE) {
1447                         switch (property->type) {
1448                         case DBUS_TYPE_STRING:
1449                                 *((char **) value) = property->value;
1450                                 found = TRUE;
1451                                 break;
1452                         }
1453                         break;
1454                 }
1455         }
1456
1457         __connman_element_unlock(element);
1458
1459         return found;
1460 }
1461
1462 gboolean connman_element_get_static_array_property(struct connman_element *element,
1463                                         const char *name, void *value, int *len)
1464 {
1465         GSList *list;
1466         gboolean found = FALSE;
1467
1468         DBG("element %p name %s", element, element->name);
1469
1470         __connman_element_lock(element);
1471
1472         for (list = element->properties; list; list = list->next) {
1473                 struct connman_property *property = list->data;
1474
1475                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1476                         continue;
1477
1478                 if (g_str_equal(property->name, name) == TRUE) {
1479                         *((char **) value) = property->value;
1480                         *len = property->size;
1481                         found = TRUE;
1482                         break;
1483                 }
1484         }
1485
1486         __connman_element_unlock(element);
1487
1488         return found;
1489 }
1490
1491 gboolean connman_element_match_static_property(struct connman_element *element,
1492                                         const char *name, const void *value)
1493 {
1494         GSList *list;
1495         gboolean result = FALSE;
1496
1497         DBG("element %p name %s", element, element->name);
1498
1499         __connman_element_lock(element);
1500
1501         for (list = element->properties; list; list = list->next) {
1502                 struct connman_property *property = list->data;
1503
1504                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1505                         continue;
1506
1507                 if (g_str_equal(property->name, name) == FALSE)
1508                         continue;
1509
1510                 if (property->type == DBUS_TYPE_STRING)
1511                         result = g_str_equal(property->value,
1512                                                 *((const char **) value));
1513
1514                 if (result == TRUE)
1515                         break;
1516         }
1517
1518         __connman_element_unlock(element);
1519
1520         return result;
1521 }
1522
1523 static void append_devices(DBusMessageIter *entry)
1524 {
1525         DBusMessageIter value, iter;
1526         const char *key = "Devices";
1527
1528         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1529
1530         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1531                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1532                                                                 &value);
1533
1534         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1535                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1536
1537         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
1538
1539         dbus_message_iter_close_container(&value, &iter);
1540
1541         dbus_message_iter_close_container(entry, &value);
1542 }
1543
1544 static void emit_devices_signal(DBusConnection *conn)
1545 {
1546         DBusMessage *signal;
1547         DBusMessageIter entry;
1548
1549         DBG("conn %p", conn);
1550
1551         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1552                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1553         if (signal == NULL)
1554                 return;
1555
1556         dbus_message_iter_init_append(signal, &entry);
1557
1558         append_devices(&entry);
1559
1560         g_dbus_send_message(conn, signal);
1561 }
1562
1563 static void emit_networks_signal(DBusConnection *conn,
1564                                         struct connman_element *device)
1565 {
1566         DBusMessage *signal;
1567         DBusMessageIter entry;
1568
1569         DBG("conn %p", conn);
1570
1571         if (device == NULL)
1572                 return;
1573
1574         signal = dbus_message_new_signal(device->path,
1575                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1576         if (signal == NULL)
1577                 return;
1578
1579         dbus_message_iter_init_append(signal, &entry);
1580
1581         append_networks(device, &entry);
1582
1583         g_dbus_send_message(conn, signal);
1584 }
1585
1586 static void append_connections(DBusMessageIter *entry)
1587 {
1588         DBusMessageIter value, iter;
1589         const char *key = "Connections";
1590
1591         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1592
1593         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1594                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1595                                                                 &value);
1596
1597         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1598                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1599
1600         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1601
1602         dbus_message_iter_close_container(&value, &iter);
1603
1604         dbus_message_iter_close_container(entry, &value);
1605 }
1606
1607 static void emit_connections_signal(DBusConnection *conn)
1608 {
1609         DBusMessage *signal;
1610         DBusMessageIter entry;
1611
1612         DBG("conn %p", conn);
1613
1614         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1615                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1616         if (signal == NULL)
1617                 return;
1618
1619         dbus_message_iter_init_append(signal, &entry);
1620
1621         append_connections(&entry);
1622
1623         g_dbus_send_message(conn, signal);
1624 }
1625
1626 static void append_state(DBusMessageIter *entry, const char *state)
1627 {
1628         DBusMessageIter value;
1629         const char *key = "State";
1630
1631         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1632
1633         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1634                                         DBUS_TYPE_STRING_AS_STRING, &value);
1635
1636         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1637
1638         dbus_message_iter_close_container(entry, &value);
1639 }
1640
1641 static void emit_state_change(DBusConnection *conn, const char *state)
1642 {
1643         DBusMessage *signal;
1644         DBusMessageIter entry;
1645
1646         DBG("conn %p", conn);
1647
1648         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1649                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1650         if (signal == NULL)
1651                 return;
1652
1653         dbus_message_iter_init_append(signal, &entry);
1654
1655         append_state(&entry, state);
1656
1657         g_dbus_send_message(conn, signal);
1658 }
1659
1660 static void register_element(gpointer data, gpointer user_data)
1661 {
1662         struct connman_element *element = data;
1663         const gchar *basepath;
1664         GSList *list;
1665         GNode *node;
1666
1667         __connman_element_lock(element);
1668
1669         if (element->parent) {
1670                 node = g_node_find(element_root, G_PRE_ORDER,
1671                                         G_TRAVERSE_ALL, element->parent);
1672                 basepath = element->parent->path;
1673
1674                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
1675                         element->subtype = element->parent->subtype;
1676         } else {
1677                 element->parent = element_root->data;
1678
1679                 node = element_root;
1680                 basepath = "";
1681         }
1682
1683         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1684
1685         set_reference_properties(element);
1686
1687         __connman_element_unlock(element);
1688
1689         DBG("element %p path %s", element, element->path);
1690
1691         __connman_element_load(element);
1692
1693         g_node_append_data(node, element);
1694
1695         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1696                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1697                 if (g_dbus_register_interface(connection, element->path,
1698                                         CONNMAN_DEVICE_INTERFACE,
1699                                         device_methods, element_signals,
1700                                         NULL, element, NULL) == FALSE)
1701                         connman_error("Failed to register %s device",
1702                                                                 element->path);
1703                 else
1704                         emit_devices_signal(connection);
1705         }
1706
1707         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1708                 if (g_dbus_register_interface(connection, element->path,
1709                                         CONNMAN_NETWORK_INTERFACE,
1710                                         network_methods, element_signals,
1711                                         NULL, element, NULL) == FALSE)
1712                         connman_error("Failed to register %s network",
1713                                                                 element->path);
1714                 else
1715                         emit_networks_signal(connection, element->parent);
1716         }
1717
1718         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1719                 if (g_dbus_register_interface(connection, element->path,
1720                                         CONNMAN_CONNECTION_INTERFACE,
1721                                         connection_methods, element_signals,
1722                                         NULL, element, NULL) == FALSE)
1723                         connman_error("Failed to register %s connection",
1724                                                                 element->path);
1725                 else {
1726                         emit_connections_signal(connection);
1727                         emit_state_change(connection, "online");
1728                 }
1729         }
1730
1731         __connman_element_store(element);
1732
1733         for (list = driver_list; list; list = list->next) {
1734                 struct connman_driver *driver = list->data;
1735
1736                 if (match_driver(element, driver) == FALSE)
1737                         continue;
1738
1739                 DBG("driver %p name %s", driver, driver->name);
1740
1741                 if (driver->probe(element) == 0) {
1742                         __connman_element_lock(element);
1743                         element->driver = driver;
1744                         __connman_element_unlock(element);
1745
1746                         enable_element(element);
1747                         break;
1748                 }
1749         }
1750 }
1751
1752 /**
1753  * connman_element_register:
1754  * @element: the element to register
1755  * @parent: the parent to register the element with
1756  *
1757  * Register an element with the core. It will be register under the given
1758  * parent of if %NULL is provided under the root element.
1759  *
1760  * Returns: %0 on success
1761  */
1762 int connman_element_register(struct connman_element *element,
1763                                         struct connman_element *parent)
1764 {
1765         DBG("element %p name %s parent %p", element, element->name, parent);
1766
1767         if (element->devname == NULL)
1768                 element->devname = g_strdup(element->name);
1769
1770         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
1771                 if (g_pattern_match_simple(device_filter,
1772                                                 element->devname) == FALSE) {
1773                         DBG("ignoring %s [%s] device", element->name,
1774                                                         element->devname);
1775                         return -EPERM;
1776                 }
1777         }
1778
1779         if (connman_element_ref(element) == NULL)
1780                 return -EINVAL;
1781
1782         __connman_element_lock(element);
1783
1784         if (element->name == NULL) {
1785                 element->name = g_strdup(type2string(element->type));
1786                 if (element->name == NULL) {
1787                         __connman_element_unlock(element);
1788                         return -EINVAL;
1789                 }
1790         }
1791
1792         element->parent = parent;
1793
1794         __connman_element_unlock(element);
1795
1796         register_element(element, NULL);
1797
1798         return 0;
1799 }
1800
1801 static gboolean remove_element(GNode *node, gpointer user_data)
1802 {
1803         struct connman_element *element = node->data;
1804         struct connman_element *root = user_data;
1805
1806         DBG("element %p name %s", element, element->name);
1807
1808         if (element == root)
1809                 return FALSE;
1810
1811         if (element->driver) {
1812                 disable_element(element);
1813
1814                 if (element->driver->remove)
1815                         element->driver->remove(element);
1816
1817                 __connman_element_lock(element);
1818                 element->driver = NULL;
1819                 __connman_element_unlock(element);
1820         }
1821
1822         if (node != NULL) {
1823                 g_node_unlink(node);
1824                 g_node_destroy(node);
1825         }
1826
1827         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1828                 emit_state_change(connection, "offline");
1829                 emit_connections_signal(connection);
1830
1831                 g_dbus_unregister_interface(connection, element->path,
1832                                                 CONNMAN_CONNECTION_INTERFACE);
1833         }
1834
1835         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1836                 emit_networks_signal(connection, element->parent);
1837
1838                 g_dbus_unregister_interface(connection, element->path,
1839                                                 CONNMAN_NETWORK_INTERFACE);
1840         }
1841
1842         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1843                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1844                 emit_devices_signal(connection);
1845
1846                 g_dbus_unregister_interface(connection, element->path,
1847                                                 CONNMAN_DEVICE_INTERFACE);
1848         }
1849
1850         connman_element_unref(element);
1851
1852         return FALSE;
1853 }
1854
1855 void connman_element_unregister(struct connman_element *element)
1856 {
1857         GNode *node;
1858
1859         DBG("element %p name %s", element, element->name);
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
1868 void connman_element_unregister_children(struct connman_element *element)
1869 {
1870         GNode *node;
1871
1872         DBG("element %p name %s", element, element->name);
1873
1874         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1875
1876         if (node != NULL)
1877                 g_node_traverse(node, G_POST_ORDER,
1878                                 G_TRAVERSE_ALL, -1, remove_element, element);
1879 }
1880
1881 static gboolean update_element(GNode *node, gpointer user_data)
1882 {
1883         struct connman_element *element = node->data;
1884
1885         DBG("element %p name %s", element, element->name);
1886
1887         if (element->driver && element->driver->update)
1888                 element->driver->update(element);
1889
1890         return FALSE;
1891 }
1892
1893 void connman_element_update(struct connman_element *element)
1894 {
1895         GNode *node;
1896
1897         DBG("element %p name %s", element, element->name);
1898
1899         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1900
1901         if (node != NULL)
1902                 g_node_traverse(node, G_PRE_ORDER,
1903                                 G_TRAVERSE_ALL, -1, update_element, NULL);
1904 }
1905
1906 int connman_element_set_enabled(struct connman_element *element,
1907                                                         gboolean enabled)
1908 {
1909         if (element->enabled == enabled)
1910                 return 0;
1911
1912         element->enabled = enabled;
1913
1914         connman_element_update(element);
1915
1916         return 0;
1917 }
1918
1919 int __connman_element_init(DBusConnection *conn, const char *device)
1920 {
1921         struct connman_element *element;
1922
1923         DBG("conn %p", conn);
1924
1925         connection = dbus_connection_ref(conn);
1926         if (connection == NULL)
1927                 return -EIO;
1928
1929         device_filter = g_strdup(device);
1930
1931         element = connman_element_create("root");
1932
1933         element->path = g_strdup("/");
1934         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
1935
1936         create_default_properties(element);
1937
1938         element_root = g_node_new(element);
1939
1940         __connman_device_init();
1941
1942         return 0;
1943 }
1944
1945 static gboolean free_driver(GNode *node, gpointer data)
1946 {
1947         struct connman_element *element = node->data;
1948
1949         DBG("element %p name %s", element, element->name);
1950
1951         if (element->driver) {
1952                 disable_element(element);
1953
1954                 if (element->driver->remove)
1955                         element->driver->remove(element);
1956
1957                 __connman_element_lock(element);
1958                 element->driver = NULL;
1959                 __connman_element_unlock(element);
1960         }
1961
1962         return FALSE;
1963 }
1964
1965 static gboolean free_node(GNode *node, gpointer data)
1966 {
1967         struct connman_element *element = node->data;
1968
1969         DBG("element %p name %s", element, element->name);
1970
1971         if (g_node_depth(node) > 1)
1972                 connman_element_unregister(element);
1973
1974         return FALSE;
1975 }
1976
1977 void __connman_element_cleanup(void)
1978 {
1979         DBG("");
1980
1981         __connman_device_cleanup();
1982
1983         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1984                                                         free_driver, NULL);
1985
1986         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1987                                                         free_node, NULL);
1988
1989         g_node_destroy(element_root);
1990         element_root = NULL;
1991
1992         g_free(device_filter);
1993
1994         dbus_connection_unref(connection);
1995 }