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

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdarg.h>
  28 #include <string.h>
  29
  30 #include <glib.h>
  31 #include <gdbus.h>
  32
  33 #include "connman.h"
  34
  35 static DBusConnection *connection;
  36
  37 static GStaticRWLock element_lock = G_STATIC_RW_LOCK_INIT;
  38 static GNode *element_root = NULL;
  39
  40 static GSList *driver_list = NULL;
  41
  42 static gchar *device_filter = NULL;
  43
  44 static struct {
  45         enum connman_property_id id;
  46         int type;
  47         const char *name;
  48         const void *value;
  49 } propid_table[] = {
  50         { CONNMAN_PROPERTY_ID_IPV4_METHOD,
  51                 DBUS_TYPE_STRING, "IPv4.Method", "dhcp" },
  52         { CONNMAN_PROPERTY_ID_IPV4_ADDRESS,
  53                 DBUS_TYPE_STRING, "IPv4.Address" },
  54         { CONNMAN_PROPERTY_ID_IPV4_NETMASK,
  55                 DBUS_TYPE_STRING, "IPv4.Netmask" },
  56         { CONNMAN_PROPERTY_ID_IPV4_GATEWAY,
  57                 DBUS_TYPE_STRING, "IPv4.Gateway" },
  58         { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
  59                 DBUS_TYPE_STRING, "IPv4.Nameserver" },
  60
  61         { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
  62                 DBUS_TYPE_STRING, "WiFi.Security" },
  63         { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
  64                 DBUS_TYPE_STRING, "WiFi.Passphrase" },
  65
  66         { }
  67 };
  68
  69 static int propid2type(enum connman_property_id id)
  70 {
  71         int i;
  72
  73         for (i = 0; propid_table[i].name; i++) {
  74                 if (propid_table[i].id == id)
  75                         return propid_table[i].type;
  76         }
  77
  78         return DBUS_TYPE_INVALID;
  79 }
  80
  81 static const char *propid2name(enum connman_property_id id)
  82 {
  83         int i;
  84
  85         for (i = 0; propid_table[i].name; i++) {
  86                 if (propid_table[i].id == id)
  87                         return propid_table[i].name;
  88         }
  89
  90         return NULL;
  91 }
  92
  93 static const char *type2string(enum connman_element_type type)
  94 {
  95         switch (type) {
  96         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  97                 return "unknown";
  98         case CONNMAN_ELEMENT_TYPE_ROOT:
  99                 return "root";
 100         case CONNMAN_ELEMENT_TYPE_PROFILE:
 101                 return "profile";
 102         case CONNMAN_ELEMENT_TYPE_DEVICE:
 103                 return "device";
 104         case CONNMAN_ELEMENT_TYPE_NETWORK:
 105                 return "network";
 106         case CONNMAN_ELEMENT_TYPE_SERVICE:
 107                 return "service";
 108         case CONNMAN_ELEMENT_TYPE_IPV4:
 109                 return "ipv4";
 110         case CONNMAN_ELEMENT_TYPE_IPV6:
 111                 return "ipv6";
 112         case CONNMAN_ELEMENT_TYPE_DHCP:
 113                 return "dhcp";
 114         case CONNMAN_ELEMENT_TYPE_BOOTP:
 115                 return "bootp";
 116         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 117                 return "zeroconf";
 118         case CONNMAN_ELEMENT_TYPE_RESOLVER:
 119                 return "resolver";
 120         case CONNMAN_ELEMENT_TYPE_CONNECTION:
 121                 return "connection";
 122         }
 123
 124         return NULL;
 125 }
 126
 127 static const char *subtype2string(enum connman_element_subtype type)
 128 {
 129         switch (type) {
 130         case CONNMAN_ELEMENT_SUBTYPE_UNKNOWN:
 131                 return "unknown";
 132         case CONNMAN_ELEMENT_SUBTYPE_FAKE:
 133                 return "fake";
 134         case CONNMAN_ELEMENT_SUBTYPE_NETWORK:
 135                 return "network";
 136         case CONNMAN_ELEMENT_SUBTYPE_ETHERNET:
 137                 return "ethernet";
 138         case CONNMAN_ELEMENT_SUBTYPE_WIFI:
 139                 return "wifi";
 140         case CONNMAN_ELEMENT_SUBTYPE_WIMAX:
 141                 return "wimax";
 142         case CONNMAN_ELEMENT_SUBTYPE_MODEM:
 143                 return "modem";
 144         case CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH:
 145                 return "bluetooth";
 146         }
 147
 148         return NULL;
 149 }
 150
 151 const char *__connman_element_policy2string(enum connman_element_policy policy)
 152 {
 153         switch (policy) {
 154         case CONNMAN_ELEMENT_POLICY_UNKNOWN:
 155                 return "unknown";
 156         case CONNMAN_ELEMENT_POLICY_OFF:
 157                 return "off";
 158         case CONNMAN_ELEMENT_POLICY_AUTO:
 159                 return "auto";
 160         case CONNMAN_ELEMENT_POLICY_IGNORE:
 161                 return "ignore";
 162         case CONNMAN_ELEMENT_POLICY_ASK:
 163                 return "ask";
 164         }
 165
 166         return NULL;
 167 }
 168
 169 enum connman_element_policy __connman_element_string2policy(const char *policy)
 170 {
 171         if (strcasecmp(policy, "off") == 0)
 172                 return CONNMAN_ELEMENT_POLICY_OFF;
 173         else if (strcasecmp(policy, "ignore") == 0)
 174                 return CONNMAN_ELEMENT_POLICY_IGNORE;
 175         else if (strcasecmp(policy, "auto") == 0)
 176                 return CONNMAN_ELEMENT_POLICY_AUTO;
 177         else if (strcasecmp(policy, "ask") == 0)
 178                 return CONNMAN_ELEMENT_POLICY_ASK;
 179         else
 180                 return CONNMAN_ELEMENT_POLICY_UNKNOWN;
 181 }
 182
 183 static void append_property(DBusMessageIter *dict,
 184                                 struct connman_property *property)
 185 {
 186         if (property->value == NULL)
 187                 return;
 188
 189         if (property->type == DBUS_TYPE_ARRAY)
 190                 connman_dbus_dict_append_array(dict, property->name,
 191                         property->subtype, &property->value, property->size);
 192         else
 193                 connman_dbus_dict_append_variant(dict, property->name,
 194                                         property->type, &property->value);
 195 }
 196
 197 static void add_common_properties(struct connman_element *element,
 198                                                 DBusMessageIter *dict)
 199 {
 200         const char *address = NULL, *netmask = NULL, *gateway = NULL;
 201         GSList *list;
 202
 203         connman_element_get_value(element,
 204                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
 205         connman_element_get_value(element,
 206                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
 207         connman_element_get_value(element,
 208                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
 209
 210         if (element->priority > 0)
 211                 connman_dbus_dict_append_variant(dict, "Priority",
 212                                         DBUS_TYPE_UINT16, &element->priority);
 213
 214         if (address != NULL)
 215                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 216                                                 DBUS_TYPE_STRING, &address);
 217         if (netmask != NULL)
 218                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 219                                                 DBUS_TYPE_STRING, &netmask);
 220         if (gateway != NULL)
 221                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 222                                                 DBUS_TYPE_STRING, &gateway);
 223
 224         if (element->wifi.security != NULL) {
 225                 const char *passphrase = "";
 226
 227                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 228                                 DBUS_TYPE_STRING, &element->wifi.security);
 229
 230                 if (element->wifi.passphrase != NULL)
 231                         passphrase = element->wifi.passphrase;
 232
 233                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 234                                 DBUS_TYPE_STRING, &passphrase);
 235         }
 236
 237         __connman_element_lock(element);
 238
 239         for (list = element->properties; list; list = list->next) {
 240                 struct connman_property *property = list->data;
 241
 242                 append_property(dict, property);
 243         }
 244
 245         __connman_element_unlock(element);
 246 }
 247
 248 static void set_common_property(struct connman_element *element,
 249                                 const char *name, DBusMessageIter *value)
 250 {
 251         GSList *list;
 252
 253         if (g_str_equal(name, "Priority") == TRUE) {
 254                 dbus_message_iter_get_basic(value, &element->priority);
 255                 return;
 256         }
 257
 258         __connman_element_lock(element);
 259
 260         for (list = element->properties; list; list = list->next) {
 261                 struct connman_property *property = list->data;
 262                 const char *str;
 263
 264                 if (g_str_equal(property->name, name) == FALSE)
 265                         continue;
 266
 267                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 268                         continue;
 269
 270                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 271
 272                 if (property->type == DBUS_TYPE_STRING) {
 273                         dbus_message_iter_get_basic(value, &str);
 274                         g_free(property->value);
 275                         property->value = g_strdup(str);
 276                 } else
 277                         property->value = NULL;
 278         }
 279
 280         __connman_element_unlock(element);
 281 }
 282
 283 static DBusMessage *do_update(DBusConnection *conn,
 284                                         DBusMessage *msg, void *data)
 285 {
 286         struct connman_element *element = data;
 287
 288         DBG("conn %p", conn);
 289
 290         if (element->enabled == FALSE)
 291                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 292
 293         if (element->driver && element->driver->update) {
 294                 DBG("Calling update callback");
 295                 element->driver->update(element);
 296         }
 297
 298         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 299 }
 300
 301 static DBusMessage *do_enable(DBusConnection *conn,
 302                                         DBusMessage *msg, void *data)
 303 {
 304         struct connman_element *element = data;
 305
 306         DBG("conn %p", conn);
 307
 308         if (element->enabled == TRUE)
 309                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 310
 311         if (element->driver && element->driver->enable) {
 312                 DBG("Calling enable callback");
 313                 if (element->driver->enable(element) < 0)
 314                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 315         }
 316
 317         element->enabled = TRUE;
 318
 319 #if 0
 320         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 321                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 322                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 323                                                         DBUS_TYPE_INVALID);
 324 #endif
 325
 326         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 327 }
 328
 329 static DBusMessage *do_disable(DBusConnection *conn,
 330                                         DBusMessage *msg, void *data)
 331 {
 332         struct connman_element *element = data;
 333
 334         DBG("conn %p", conn);
 335
 336         if (element->enabled == FALSE)
 337                 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 338
 339         if (element->driver && element->driver->disable) {
 340                 DBG("Calling disable callback");
 341                 if (element->driver->disable(element) < 0)
 342                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 343         }
 344
 345         element->enabled = FALSE;
 346
 347 #if 0
 348         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 349                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 350                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 351                                                         DBUS_TYPE_INVALID);
 352 #endif
 353
 354         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 355 }
 356
 357 static void append_networks(DBusMessageIter *dict)
 358 {
 359         DBusMessageIter entry, value, iter;
 360         const char *key = "Networks";
 361
 362         dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
 363                                                                 NULL, &entry);
 364
 365         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 366
 367         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 368                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 369                                                                 &value);
 370
 371         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 372                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 373
 374         __connman_element_list(CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 375
 376         dbus_message_iter_close_container(&value, &iter);
 377
 378         dbus_message_iter_close_container(&entry, &value);
 379
 380         dbus_message_iter_close_container(dict, &entry);
 381 }
 382
 383 static DBusMessage *get_device_properties(DBusConnection *conn,
 384                                         DBusMessage *msg, void *data)
 385 {
 386         struct connman_element *element = data;
 387         DBusMessage *reply;
 388         DBusMessageIter array, dict;
 389         const char *str;
 390
 391         DBG("conn %p", conn);
 392
 393         reply = dbus_message_new_method_return(msg);
 394         if (reply == NULL)
 395                 return NULL;
 396
 397         dbus_message_iter_init_append(reply, &array);
 398
 399         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 400                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 401                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 402                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 403
 404         str = subtype2string(element->subtype);
 405         if (str != NULL)
 406                 connman_dbus_dict_append_variant(&dict, "Type",
 407                                                 DBUS_TYPE_STRING, &str);
 408
 409         str = __connman_element_policy2string(element->policy);
 410         if (str != NULL)
 411                 connman_dbus_dict_append_variant(&dict, "Policy",
 412                                                 DBUS_TYPE_STRING, &str);
 413
 414         connman_dbus_dict_append_variant(&dict, "Powered",
 415                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 416
 417         append_networks(&dict);
 418
 419         add_common_properties(element, &dict);
 420
 421         dbus_message_iter_close_container(&array, &dict);
 422
 423         return reply;
 424 }
 425
 426 static DBusMessage *set_device_property(DBusConnection *conn,
 427                                         DBusMessage *msg, void *data)
 428 {
 429         struct connman_element *element = data;
 430         DBusMessageIter iter;
 431         DBusMessageIter value;
 432         const char *name;
 433
 434         DBG("conn %p", conn);
 435
 436         if (dbus_message_iter_init(msg, &iter) == FALSE)
 437                 return __connman_error_invalid_arguments(msg);
 438
 439         dbus_message_iter_get_basic(&iter, &name);
 440         dbus_message_iter_next(&iter);
 441         dbus_message_iter_recurse(&iter, &value);
 442
 443         if (__connman_security_check_privileges(msg) < 0)
 444                 return __connman_error_permission_denied(msg);
 445
 446         if (g_str_equal(name, "Powered") == TRUE) {
 447                 dbus_bool_t powered;
 448
 449                 dbus_message_iter_get_basic(&value, &powered);
 450
 451                 if (powered == TRUE)
 452                         do_enable(conn, msg, data);
 453                 else
 454                         do_disable(conn, msg, data);
 455         } else
 456                 set_common_property(element, name, &value);
 457
 458         __connman_element_store(element);
 459
 460         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 461 }
 462
 463 static DBusMessage *get_network_properties(DBusConnection *conn,
 464                                         DBusMessage *msg, void *data)
 465 {
 466         struct connman_element *element = data;
 467         DBusMessage *reply;
 468         DBusMessageIter array, dict;
 469         const char *str;
 470
 471         DBG("conn %p", conn);
 472
 473         reply = dbus_message_new_method_return(msg);
 474         if (reply == NULL)
 475                 return NULL;
 476
 477         dbus_message_iter_init_append(reply, &array);
 478
 479         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 480                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 481                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 482                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 483
 484         str = __connman_element_policy2string(element->policy);
 485         if (str != NULL)
 486                 connman_dbus_dict_append_variant(&dict, "Policy",
 487                                                 DBUS_TYPE_STRING, &str);
 488
 489         connman_dbus_dict_append_variant(&dict, "Connected",
 490                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 491
 492         add_common_properties(element, &dict);
 493
 494         dbus_message_iter_close_container(&array, &dict);
 495
 496         return reply;
 497 }
 498
 499 static DBusMessage *set_network_property(DBusConnection *conn,
 500                                         DBusMessage *msg, void *data)
 501 {
 502         struct connman_element *element = data;
 503         DBusMessageIter iter;
 504         DBusMessageIter value;
 505         const char *name;
 506
 507         DBG("conn %p", conn);
 508
 509         if (dbus_message_iter_init(msg, &iter) == FALSE)
 510                 return __connman_error_invalid_arguments(msg);
 511
 512         dbus_message_iter_get_basic(&iter, &name);
 513         dbus_message_iter_next(&iter);
 514         dbus_message_iter_recurse(&iter, &value);
 515
 516         if (__connman_security_check_privileges(msg) < 0)
 517                 return __connman_error_permission_denied(msg);
 518
 519         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 520                 const char *str;
 521
 522                 dbus_message_iter_get_basic(&value, &str);
 523                 g_free(element->wifi.passphrase);
 524                 element->wifi.passphrase = g_strdup(str);
 525         } else
 526                 set_common_property(element, name, &value);
 527
 528         __connman_element_store(element);
 529
 530         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 531 }
 532
 533 static DBusMessage *get_connection_properties(DBusConnection *conn,
 534                                         DBusMessage *msg, void *data)
 535 {
 536         struct connman_element *element = data;
 537         DBusMessage *reply;
 538         DBusMessageIter array, dict;
 539
 540         DBG("conn %p", conn);
 541
 542         reply = dbus_message_new_method_return(msg);
 543         if (reply == NULL)
 544                 return NULL;
 545
 546         dbus_message_iter_init_append(reply, &array);
 547
 548         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 549                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 550                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 551                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 552
 553         add_common_properties(element, &dict);
 554
 555         dbus_message_iter_close_container(&array, &dict);
 556
 557         return reply;
 558 }
 559
 560 #if 0
 561 static DBusMessage *get_properties(DBusConnection *conn,
 562                                         DBusMessage *msg, void *data)
 563 {
 564         struct connman_element *element = data;
 565         DBusMessage *reply;
 566         DBusMessageIter array, dict;
 567         const char *str;
 568
 569         DBG("conn %p", conn);
 570
 571         reply = dbus_message_new_method_return(msg);
 572         if (reply == NULL)
 573                 return NULL;
 574
 575         dbus_message_iter_init_append(reply, &array);
 576
 577         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 578                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 579                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 580                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 581
 582         if (element->parent != NULL &&
 583                         element->parent->type != CONNMAN_ELEMENT_TYPE_ROOT) {
 584                 connman_dbus_dict_append_variant(&dict, "Parent",
 585                                 DBUS_TYPE_OBJECT_PATH, &element->parent->path);
 586         }
 587
 588         str = type2string(element->type);
 589         if (str != NULL)
 590                 connman_dbus_dict_append_variant(&dict, "Type",
 591                                                 DBUS_TYPE_STRING, &str);
 592         str = subtype2string(element->subtype);
 593         if (str != NULL)
 594                 connman_dbus_dict_append_variant(&dict, "Subtype",
 595                                                 DBUS_TYPE_STRING, &str);
 596
 597         connman_dbus_dict_append_variant(&dict, "Enabled",
 598                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 599
 600         add_common_properties(element, &dict);
 601
 602         dbus_message_iter_close_container(&array, &dict);
 603
 604         return reply;
 605 }
 606
 607 static DBusMessage *set_property(DBusConnection *conn,
 608                                         DBusMessage *msg, void *data)
 609 {
 610         struct connman_element *element = data;
 611         DBusMessageIter iter;
 612         DBusMessageIter value;
 613         const char *name;
 614
 615         DBG("conn %p", conn);
 616
 617         if (dbus_message_iter_init(msg, &iter) == FALSE)
 618                 return __connman_error_invalid_arguments(msg);
 619
 620         dbus_message_iter_get_basic(&iter, &name);
 621         dbus_message_iter_next(&iter);
 622         dbus_message_iter_recurse(&iter, &value);
 623
 624         if (__connman_security_check_privileges(msg) < 0)
 625                 return __connman_error_permission_denied(msg);
 626
 627         set_common_property(element, name, &value);
 628
 629         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 630 }
 631
 632 static DBusMessage *clear_property(DBusConnection *conn,
 633                                         DBusMessage *msg, void *data)
 634 {
 635         struct connman_element *element = data;
 636         const char *name;
 637         GSList *list;
 638
 639         DBG("conn %p", conn);
 640
 641         if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
 642                                                 DBUS_TYPE_INVALID) == FALSE)
 643                 return __connman_error_invalid_arguments(msg);
 644
 645         if (__connman_security_check_privileges(msg) < 0)
 646                 return __connman_error_permission_denied(msg);
 647
 648         __connman_element_lock(element);
 649
 650         for (list = element->properties; list; list = list->next) {
 651                 struct connman_property *property = list->data;
 652
 653                 if (g_str_equal(property->name, name) == FALSE)
 654                         continue;
 655
 656                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 657                         continue;
 658
 659                 if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
 660                         continue;
 661
 662                 property->flags |= CONNMAN_PROPERTY_FLAG_REFERENCE;
 663
 664                 if (property->type == DBUS_TYPE_STRING)
 665                         g_free(property->value);
 666
 667                 property->value = NULL;
 668         }
 669
 670         __connman_element_unlock(element);
 671
 672         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 673 }
 674
 675 static GDBusMethodTable element_methods[] = {
 676         { "GetProperties", "",   "a{sv}", get_properties },
 677         { "SetProperty",   "sv", "",      set_property   },
 678         { "ClearProperty", "s",  "",      clear_property },
 679         { "Update",        "",   "",      do_update      },
 680         { "Enable",        "",   "",      do_enable      },
 681         { "Disable",       "",   "",      do_disable     },
 682         { },
 683 };
 684 #endif
 685
 686 static GDBusSignalTable element_signals[] = {
 687         { "PropertyChanged", "sv" },
 688         { },
 689 };
 690
 691 static GDBusMethodTable device_methods[] = {
 692         { "GetProperties", "",   "a{sv}", get_device_properties },
 693         { "SetProperty",   "sv", "",      set_device_property   },
 694         { "Scan",          "",   "",      do_update             },
 695         { },
 696 };
 697
 698 static GDBusMethodTable network_methods[] = {
 699         { "GetProperties", "",   "a{sv}", get_network_properties },
 700         { "SetProperty",   "sv", "",      set_network_property   },
 701         { "Connect",       "",   "",      do_enable              },
 702         { "Disconnect",    "",   "",      do_disable             },
 703         { },
 704 };
 705
 706 static GDBusMethodTable connection_methods[] = {
 707         { "GetProperties", "",   "a{sv}", get_connection_properties },
 708         { },
 709 };
 710
 711 struct append_filter {
 712         enum connman_element_type type;
 713         DBusMessageIter *iter;
 714 };
 715
 716 static gboolean append_path(GNode *node, gpointer user_data)
 717 {
 718         struct connman_element *element = node->data;
 719         struct append_filter *filter = user_data;
 720
 721         DBG("element %p name %s", element, element->name);
 722
 723         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 724                 return FALSE;
 725
 726         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 727                                         filter->type != element->type)
 728                 return FALSE;
 729
 730         dbus_message_iter_append_basic(filter->iter,
 731                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 732
 733         return FALSE;
 734 }
 735
 736 void __connman_element_list(enum connman_element_type type,
 737                                                 DBusMessageIter *iter)
 738 {
 739         struct append_filter filter = { type, iter };
 740
 741         DBG("");
 742
 743         g_static_rw_lock_reader_lock(&element_lock);
 744         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 745                                                         append_path, &filter);
 746         g_static_rw_lock_reader_unlock(&element_lock);
 747 }
 748
 749 struct count_data {
 750         enum connman_element_type type;
 751         int count;
 752 };
 753
 754 static gboolean count_element(GNode *node, gpointer user_data)
 755 {
 756         struct connman_element *element = node->data;
 757         struct count_data *data = user_data;
 758
 759         DBG("element %p name %s", element, element->name);
 760
 761         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 762                 return FALSE;
 763
 764         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 765                                         data->type != element->type)
 766                 return FALSE;
 767
 768         data->count++;
 769
 770         return FALSE;
 771 }
 772
 773 int __connman_element_count(enum connman_element_type type)
 774 {
 775         struct count_data data = { type, 0 };
 776
 777         DBG("");
 778
 779         g_static_rw_lock_reader_lock(&element_lock);
 780         g_node_traverse(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 781                                                         count_element, &data);
 782         g_static_rw_lock_reader_unlock(&element_lock);
 783
 784         return data.count;
 785 }
 786
 787 static gint compare_priority(gconstpointer a, gconstpointer b)
 788 {
 789         const struct connman_driver *driver1 = a;
 790         const struct connman_driver *driver2 = b;
 791
 792         return driver2->priority - driver1->priority;
 793 }
 794
 795 static gboolean match_driver(struct connman_element *element,
 796                                         struct connman_driver *driver)
 797 {
 798         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 799                 return FALSE;
 800
 801         if (element->type != driver->type &&
 802                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 803                 return FALSE;
 804
 805         if (element->subtype == driver->subtype ||
 806                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 807                 return TRUE;
 808
 809         return FALSE;
 810 }
 811
 812 static void enable_element(struct connman_element *element)
 813 {
 814         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 815                 return;
 816
 817         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 818                 return;
 819
 820         if (element->driver && element->driver->enable) {
 821                 if (element->driver->enable(element) == 0)
 822                         element->enabled = TRUE;
 823         }
 824 }
 825
 826 static gboolean probe_driver(GNode *node, gpointer data)
 827 {
 828         struct connman_element *element = node->data;
 829         struct connman_driver *driver = data;
 830
 831         DBG("element %p name %s", element, element->name);
 832
 833         if (!element->driver && match_driver(element, driver) == TRUE) {
 834                 if (driver->probe(element) < 0)
 835                         return FALSE;
 836
 837                 __connman_element_lock(element);
 838                 element->driver = driver;
 839                 __connman_element_unlock(element);
 840
 841                 enable_element(element);
 842         }
 843
 844         return FALSE;
 845 }
 846
 847 void __connman_driver_rescan(struct connman_driver *driver)
 848 {
 849         DBG("driver %p name %s", driver, driver->name);
 850
 851         if (!driver->probe)
 852                 return;
 853
 854         g_static_rw_lock_writer_lock(&element_lock);
 855
 856         if (element_root != NULL)
 857                 g_node_traverse(element_root, G_PRE_ORDER,
 858                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 859
 860         g_static_rw_lock_writer_unlock(&element_lock);
 861 }
 862
 863 /**
 864  * connman_driver_register:
 865  * @driver: driver definition
 866  *
 867  * Register a new driver
 868  *
 869  * Returns: %0 on success
 870  */
 871 int connman_driver_register(struct connman_driver *driver)
 872 {
 873         DBG("driver %p name %s", driver, driver->name);
 874
 875         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 876                 return -EINVAL;
 877
 878         if (!driver->probe)
 879                 return -EINVAL;
 880
 881         g_static_rw_lock_writer_lock(&element_lock);
 882
 883         driver_list = g_slist_insert_sorted(driver_list, driver,
 884                                                         compare_priority);
 885
 886         if (element_root != NULL)
 887                 g_node_traverse(element_root, G_PRE_ORDER,
 888                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 889
 890         g_static_rw_lock_writer_unlock(&element_lock);
 891
 892         return 0;
 893 }
 894
 895 static void disable_element(struct connman_element *element)
 896 {
 897         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 898                 return;
 899
 900         if (element->enabled == FALSE)
 901                 return;
 902
 903         if (element->driver && element->driver->disable) {
 904                 if (element->driver->disable(element) == 0)
 905                         element->enabled = FALSE;
 906         }
 907 }
 908
 909 static gboolean remove_driver(GNode *node, gpointer data)
 910 {
 911         struct connman_element *element = node->data;
 912         struct connman_driver *driver = data;
 913
 914         DBG("element %p name %s", element, element->name);
 915
 916         if (element->driver == driver) {
 917                 disable_element(element);
 918
 919                 if (driver->remove)
 920                         driver->remove(element);
 921
 922                 __connman_element_lock(element);
 923                 element->driver = NULL;
 924                 __connman_element_unlock(element);
 925         }
 926
 927         return FALSE;
 928 }
 929
 930 /**
 931  * connman_driver_unregister:
 932  * @driver: driver definition
 933  *
 934  * Remove a previously registered driver
 935  */
 936 void connman_driver_unregister(struct connman_driver *driver)
 937 {
 938         DBG("driver %p name %s", driver, driver->name);
 939
 940         g_static_rw_lock_writer_lock(&element_lock);
 941
 942         driver_list = g_slist_remove(driver_list, driver);
 943
 944         if (element_root != NULL)
 945                 g_node_traverse(element_root, G_POST_ORDER,
 946                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
 947
 948         g_static_rw_lock_writer_unlock(&element_lock);
 949 }
 950
 951 /**
 952  * connman_element_create:
 953  * @name: element name
 954  *
 955  * Allocate a new element and assign the given #name to it. If the name
 956  * is #NULL, it will be later on created based on the element type.
 957  *
 958  * Returns: a newly-allocated #connman_element structure
 959  */
 960 struct connman_element *connman_element_create(const char *name)
 961 {
 962         struct connman_element *element;
 963
 964         element = g_try_new0(struct connman_element, 1);
 965         if (element == NULL)
 966                 return NULL;
 967
 968         DBG("element %p", element);
 969
 970         element->refcount = 1;
 971
 972         element->name    = g_strdup(name);
 973         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 974         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
 975         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
 976         element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
 977         element->index   = -1;
 978         element->enabled = FALSE;
 979
 980         return element;
 981 }
 982
 983 struct connman_element *connman_element_ref(struct connman_element *element)
 984 {
 985         DBG("element %p name %s refcount %d", element, element->name,
 986                                 g_atomic_int_get(&element->refcount) + 1);
 987
 988         g_atomic_int_inc(&element->refcount);
 989
 990         return element;
 991 }
 992
 993 static void free_properties(struct connman_element *element)
 994 {
 995         GSList *list;
 996
 997         DBG("element %p name %s", element, element->name);
 998
 999         __connman_element_lock(element);
1000
1001         for (list = element->properties; list; list = list->next) {
1002                 struct connman_property *property = list->data;
1003
1004                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1005                         g_free(property->value);
1006
1007                 g_free(property->name);
1008                 g_free(property);
1009         }
1010
1011         g_slist_free(element->properties);
1012
1013         element->properties = NULL;
1014
1015         __connman_element_unlock(element);
1016 }
1017
1018 void connman_element_unref(struct connman_element *element)
1019 {
1020         DBG("element %p name %s refcount %d", element, element->name,
1021                                 g_atomic_int_get(&element->refcount) - 1);
1022
1023         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
1024                 free_properties(element);
1025                 g_free(element->ipv4.address);
1026                 g_free(element->ipv4.netmask);
1027                 g_free(element->ipv4.gateway);
1028                 g_free(element->ipv4.network);
1029                 g_free(element->ipv4.broadcast);
1030                 g_free(element->ipv4.nameserver);
1031                 g_free(element->path);
1032                 g_free(element->name);
1033                 g_free(element);
1034         }
1035 }
1036
1037 int connman_element_add_static_property(struct connman_element *element,
1038                                 const char *name, int type, const void *value)
1039 {
1040         struct connman_property *property;
1041
1042         DBG("element %p name %s", element, element->name);
1043
1044         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE &&
1045                                                 type != DBUS_TYPE_INT32)
1046                 return -EINVAL;
1047
1048         property = g_try_new0(struct connman_property, 1);
1049         if (property == NULL)
1050                 return -ENOMEM;
1051
1052         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
1053         property->id    = CONNMAN_PROPERTY_ID_INVALID;
1054         property->name  = g_strdup(name);
1055         property->type  = type;
1056
1057         DBG("name %s type %d value %p", name, type, value);
1058
1059         switch (type) {
1060         case DBUS_TYPE_STRING:
1061                 property->value = g_strdup(*((const char **) value));
1062                 break;
1063         case DBUS_TYPE_BYTE:
1064                 property->value = g_try_malloc(1);
1065                 if (property->value != NULL)
1066                         memcpy(property->value, value, 1);
1067                 break;
1068         case DBUS_TYPE_INT32:
1069                 property->value = g_try_malloc(sizeof(gint32));
1070                 if (property->value != NULL)
1071                         memcpy(property->value, value, sizeof(gint32));
1072                 break;
1073         }
1074
1075         __connman_element_lock(element);
1076         element->properties = g_slist_append(element->properties, property);
1077         __connman_element_unlock(element);
1078
1079         return 0;
1080 }
1081
1082 int connman_element_add_static_array_property(struct connman_element *element,
1083                         const char *name, int type, const void *value, int len)
1084 {
1085         struct connman_property *property;
1086
1087         DBG("element %p name %s", element, element->name);
1088
1089         if (type != DBUS_TYPE_BYTE)
1090                 return -EINVAL;
1091
1092         property = g_try_new0(struct connman_property, 1);
1093         if (property == NULL)
1094                 return -ENOMEM;
1095
1096         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
1097         property->id      = CONNMAN_PROPERTY_ID_INVALID;
1098         property->name    = g_strdup(name);
1099         property->type    = DBUS_TYPE_ARRAY;
1100         property->subtype = type;
1101
1102         DBG("name %s type %d value %p", name, type, value);
1103
1104         switch (type) {
1105         case DBUS_TYPE_BYTE:
1106                 property->value = g_try_malloc(len);
1107                 if (property->value != NULL) {
1108                         memcpy(property->value,
1109                                 *((const unsigned char **) value), len);
1110                         property->size = len;
1111                 }
1112                 break;
1113         }
1114
1115         __connman_element_lock(element);
1116         element->properties = g_slist_append(element->properties, property);
1117         __connman_element_unlock(element);
1118
1119         return 0;
1120 }
1121
1122 static void *get_reference_value(struct connman_element *element,
1123                                                 enum connman_property_id id)
1124 {
1125         GSList *list;
1126
1127         DBG("element %p name %s", element, element->name);
1128
1129         for (list = element->properties; list; list = list->next) {
1130                 struct connman_property *property = list->data;
1131
1132                 if (property->id != id)
1133                         continue;
1134
1135                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1136                         return property->value;
1137         }
1138
1139         if (element->parent == NULL)
1140                 return NULL;
1141
1142         return get_reference_value(element->parent, id);
1143 }
1144
1145 static void set_reference_properties(struct connman_element *element)
1146 {
1147         GSList *list;
1148
1149         DBG("element %p name %s", element, element->name);
1150
1151         for (list = element->properties; list; list = list->next) {
1152                 struct connman_property *property = list->data;
1153
1154                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1155                         continue;
1156
1157                 property->value = get_reference_value(element->parent,
1158                                                                 property->id);
1159         }
1160 }
1161
1162 static struct connman_property *create_property(struct connman_element *element,
1163                                                 enum connman_property_id id)
1164 {
1165         struct connman_property *property;
1166         GSList *list;
1167
1168         DBG("element %p name %s", element, element->name);
1169
1170         __connman_element_lock(element);
1171
1172         for (list = element->properties; list; list = list->next) {
1173                 property = list->data;
1174
1175                 if (property->id == id)
1176                         goto unlock;
1177         }
1178
1179         property = g_try_new0(struct connman_property, 1);
1180         if (property == NULL)
1181                 goto unlock;
1182
1183         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
1184         property->id    = id;
1185         property->name  = g_strdup(propid2name(id));
1186         property->type  = propid2type(id);
1187
1188         if (property->name == NULL) {
1189                 g_free(property);
1190                 property = NULL;
1191                 goto unlock;
1192         }
1193
1194         element->properties = g_slist_append(element->properties, property);
1195
1196 unlock:
1197         __connman_element_unlock(element);
1198
1199         return property;
1200 }
1201
1202 static void create_default_properties(struct connman_element *element)
1203 {
1204         struct connman_property *property;
1205         int i;
1206
1207         DBG("element %p name %s", element, element->name);
1208
1209         for (i = 0; propid_table[i].name; i++) {
1210                 DBG("property %s", propid_table[i].name);
1211
1212                 property = create_property(element, propid_table[i].id);
1213
1214                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
1215
1216                 if (propid_table[i].type != DBUS_TYPE_STRING)
1217                         continue;
1218
1219                 if (propid_table[i].value)
1220                         property->value = g_strdup(propid_table[i].value);
1221                 else
1222                         property->value = g_strdup("");
1223         }
1224 }
1225
1226 static int define_properties_valist(struct connman_element *element,
1227                                                                 va_list args)
1228 {
1229         enum connman_property_id id;
1230
1231         DBG("element %p name %s", element, element->name);
1232
1233         id = va_arg(args, enum connman_property_id);
1234
1235         while (id != CONNMAN_PROPERTY_ID_INVALID) {
1236
1237                 DBG("property %d", id);
1238
1239                 create_property(element, id);
1240
1241                 id = va_arg(args, enum connman_property_id);
1242         }
1243
1244         return 0;
1245 }
1246
1247 /**
1248  * connman_element_define_properties:
1249  * @element: an element
1250  * @varargs: list of property identifiers
1251  *
1252  * Define the valid properties for an element.
1253  *
1254  * Returns: %0 on success
1255  */
1256 int connman_element_define_properties(struct connman_element *element, ...)
1257 {
1258         va_list args;
1259         int err;
1260
1261         DBG("element %p name %s", element, element->name);
1262
1263         va_start(args, element);
1264
1265         err = define_properties_valist(element, args);
1266
1267         va_end(args);
1268
1269         return err;
1270 }
1271
1272 int connman_element_create_property(struct connman_element *element,
1273                                                 const char *name, int type)
1274 {
1275         return -EIO;
1276 }
1277
1278 int connman_element_set_property(struct connman_element *element,
1279                                 enum connman_property_id id, const void *value)
1280 {
1281         switch (id) {
1282         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1283                 __connman_element_lock(element);
1284                 g_free(element->ipv4.address);
1285                 element->ipv4.address = g_strdup(*((const char **) value));
1286                 __connman_element_unlock(element);
1287                 break;
1288         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1289                 __connman_element_lock(element);
1290                 g_free(element->ipv4.netmask);
1291                 element->ipv4.netmask = g_strdup(*((const char **) value));
1292                 __connman_element_unlock(element);
1293                 break;
1294         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1295                 __connman_element_lock(element);
1296                 g_free(element->ipv4.gateway);
1297                 element->ipv4.gateway = g_strdup(*((const char **) value));
1298                 __connman_element_unlock(element);
1299                 break;
1300         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1301                 __connman_element_lock(element);
1302                 g_free(element->ipv4.nameserver);
1303                 element->ipv4.nameserver = g_strdup(*((const char **) value));
1304                 __connman_element_unlock(element);
1305                 break;
1306         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1307                 __connman_element_lock(element);
1308                 g_free(element->wifi.security);
1309                 element->wifi.security = g_strdup(*((const char **) value));
1310                 __connman_element_unlock(element);
1311                 break;
1312         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1313                 __connman_element_lock(element);
1314                 g_free(element->wifi.passphrase);
1315                 element->wifi.passphrase = g_strdup(*((const char **) value));
1316                 __connman_element_unlock(element);
1317                 break;
1318         default:
1319                 return -EINVAL;
1320         }
1321
1322 #if 0
1323         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1324                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1325                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1326                                                         DBUS_TYPE_INVALID);
1327 #endif
1328
1329         return 0;
1330 }
1331
1332 int connman_element_get_value(struct connman_element *element,
1333                                 enum connman_property_id id, void *value)
1334 {
1335         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1336                 return -EINVAL;
1337
1338         switch (id) {
1339         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1340                 if (element->ipv4.address == NULL)
1341                         return connman_element_get_value(element->parent,
1342                                                                 id, value);
1343                 __connman_element_lock(element);
1344                 *((char **) value) = element->ipv4.address;
1345                 __connman_element_unlock(element);
1346                 break;
1347         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1348                 if (element->ipv4.netmask == NULL)
1349                         return connman_element_get_value(element->parent,
1350                                                                 id, value);
1351                 __connman_element_lock(element);
1352                 *((char **) value) = element->ipv4.netmask;
1353                 __connman_element_unlock(element);
1354                 break;
1355         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1356                 if (element->ipv4.gateway == NULL)
1357                         return connman_element_get_value(element->parent,
1358                                                                 id, value);
1359                 __connman_element_lock(element);
1360                 *((char **) value) = element->ipv4.gateway;
1361                 __connman_element_unlock(element);
1362                 break;
1363         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1364                 if (element->ipv4.nameserver == NULL)
1365                         return connman_element_get_value(element->parent,
1366                                                                 id, value);
1367                 __connman_element_lock(element);
1368                 *((char **) value) = element->ipv4.nameserver;
1369                 __connman_element_unlock(element);
1370                 break;
1371         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1372                 if (element->wifi.security == NULL)
1373                         return connman_element_get_value(element->parent,
1374                                                                 id, value);
1375                 __connman_element_lock(element);
1376                 *((char **) value) = element->wifi.security;
1377                 __connman_element_unlock(element);
1378                 break;
1379         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1380                 if (element->wifi.passphrase == NULL)
1381                         return connman_element_get_value(element->parent,
1382                                                                 id, value);
1383                 __connman_element_lock(element);
1384                 *((char **) value) = element->wifi.passphrase;
1385                 __connman_element_unlock(element);
1386                 break;
1387         default:
1388                 return -EINVAL;
1389         }
1390
1391         return 0;
1392 }
1393
1394 gboolean connman_element_get_static_property(struct connman_element *element,
1395                                                 const char *name, void *value)
1396 {
1397         GSList *list;
1398         gboolean found = FALSE;
1399
1400         DBG("element %p name %s", element, element->name);
1401
1402         __connman_element_lock(element);
1403
1404         for (list = element->properties; list; list = list->next) {
1405                 struct connman_property *property = list->data;
1406
1407                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1408                         continue;
1409
1410                 if (g_str_equal(property->name, name) == TRUE) {
1411                         switch (property->type) {
1412                         case DBUS_TYPE_STRING:
1413                                 *((char **) value) = property->value;
1414                                 break;
1415                         case DBUS_TYPE_BYTE:
1416                                 *((guint8 *) value) = *((guint8 *) property->value);
1417                                 break;
1418                         case DBUS_TYPE_INT32:
1419                                 *((gint32 *) value) = *((gint32 *) property->value);
1420                                 break;
1421                         }
1422                         found = TRUE;
1423                         break;
1424                 }
1425         }
1426
1427         __connman_element_unlock(element);
1428
1429         return found;
1430 }
1431
1432 gboolean connman_element_get_static_array_property(struct connman_element *element,
1433                                         const char *name, void *value, int *len)
1434 {
1435         GSList *list;
1436         gboolean found = FALSE;
1437
1438         DBG("element %p name %s", element, element->name);
1439
1440         __connman_element_lock(element);
1441
1442         for (list = element->properties; list; list = list->next) {
1443                 struct connman_property *property = list->data;
1444
1445                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1446                         continue;
1447
1448                 if (g_str_equal(property->name, name) == TRUE) {
1449                         *((char **) value) = property->value;
1450                         *len = property->size;
1451                         found = TRUE;
1452                         break;
1453                 }
1454         }
1455
1456         __connman_element_unlock(element);
1457
1458         return found;
1459 }
1460
1461 gboolean connman_element_match_static_property(struct connman_element *element,
1462                                         const char *name, const void *value)
1463 {
1464         GSList *list;
1465         gboolean result = FALSE;
1466
1467         DBG("element %p name %s", element, element->name);
1468
1469         __connman_element_lock(element);
1470
1471         for (list = element->properties; list; list = list->next) {
1472                 struct connman_property *property = list->data;
1473
1474                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1475                         continue;
1476
1477                 if (g_str_equal(property->name, name) == FALSE)
1478                         continue;
1479
1480                 if (property->type == DBUS_TYPE_STRING)
1481                         result = g_str_equal(property->value,
1482                                                 *((const char **) value));
1483
1484                 if (result == TRUE)
1485                         break;
1486         }
1487
1488         __connman_element_unlock(element);
1489
1490         return result;
1491 }
1492
1493 static void append_devices(DBusMessageIter *entry)
1494 {
1495         DBusMessageIter value, iter;
1496         const char *key = "Devices";
1497
1498         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1499
1500         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1501                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1502                                                                 &value);
1503
1504         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1505                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1506
1507         __connman_element_list(CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
1508
1509         dbus_message_iter_close_container(&value, &iter);
1510
1511         dbus_message_iter_close_container(entry, &value);
1512 }
1513
1514 static void emit_devices_signal(DBusConnection *conn)
1515 {
1516         DBusMessage *signal;
1517         DBusMessageIter entry;
1518
1519         DBG("conn %p", conn);
1520
1521         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1522                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1523         if (signal == NULL)
1524                 return;
1525
1526         dbus_message_iter_init_append(signal, &entry);
1527
1528         append_devices(&entry);
1529
1530         g_dbus_send_message(conn, signal);
1531 }
1532
1533 static void append_connections(DBusMessageIter *entry)
1534 {
1535         DBusMessageIter value, iter;
1536         const char *key = "Connections";
1537
1538         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1539
1540         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1541                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1542                                                                 &value);
1543
1544         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1545                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1546
1547         __connman_element_list(CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1548
1549         dbus_message_iter_close_container(&value, &iter);
1550
1551         dbus_message_iter_close_container(entry, &value);
1552 }
1553
1554 static void emit_connections_signal(DBusConnection *conn)
1555 {
1556         DBusMessage *signal;
1557         DBusMessageIter entry;
1558
1559         DBG("conn %p", conn);
1560
1561         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1562                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1563         if (signal == NULL)
1564                 return;
1565
1566         dbus_message_iter_init_append(signal, &entry);
1567
1568         append_connections(&entry);
1569
1570         g_dbus_send_message(conn, signal);
1571 }
1572
1573 static void append_state(DBusMessageIter *entry, const char *state)
1574 {
1575         DBusMessageIter value;
1576         const char *key = "State";
1577
1578         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1579
1580         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1581                                         DBUS_TYPE_STRING_AS_STRING, &value);
1582
1583         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1584
1585         dbus_message_iter_close_container(entry, &value);
1586 }
1587
1588 static void emit_state_change(DBusConnection *conn, const char *state)
1589 {
1590         DBusMessage *signal;
1591         DBusMessageIter entry;
1592
1593         DBG("conn %p", conn);
1594
1595         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1596                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1597         if (signal == NULL)
1598                 return;
1599
1600         dbus_message_iter_init_append(signal, &entry);
1601
1602         append_state(&entry, state);
1603
1604         g_dbus_send_message(conn, signal);
1605 }
1606
1607 static void register_element(gpointer data, gpointer user_data)
1608 {
1609         struct connman_element *element = data;
1610         const gchar *basepath;
1611         GSList *list;
1612         GNode *node;
1613
1614         g_static_rw_lock_writer_lock(&element_lock);
1615
1616         __connman_element_lock(element);
1617
1618         if (element->parent) {
1619                 node = g_node_find(element_root, G_PRE_ORDER,
1620                                         G_TRAVERSE_ALL, element->parent);
1621                 basepath = element->parent->path;
1622
1623                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
1624                         element->subtype = element->parent->subtype;
1625         } else {
1626                 element->parent = element_root->data;
1627
1628                 node = element_root;
1629                 basepath = "";
1630         }
1631
1632         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1633
1634         set_reference_properties(element);
1635
1636         __connman_element_unlock(element);
1637
1638         DBG("element %p path %s", element, element->path);
1639
1640         __connman_element_load(element);
1641
1642         g_node_append_data(node, element);
1643
1644 #if 0
1645         if (g_dbus_register_interface(connection, element->path,
1646                                         CONNMAN_ELEMENT_INTERFACE,
1647                                         element_methods, element_signals,
1648                                         NULL, element, NULL) == FALSE)
1649                 connman_error("Failed to register %s element", element->path);
1650 #endif
1651
1652         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1653                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1654                 if (g_dbus_register_interface(connection, element->path,
1655                                         CONNMAN_DEVICE_INTERFACE,
1656                                         device_methods, element_signals,
1657                                         NULL, element, NULL) == FALSE)
1658                         connman_error("Failed to register %s device",
1659                                                                 element->path);
1660                 else
1661                         emit_devices_signal(connection);
1662         }
1663
1664         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1665                 if (g_dbus_register_interface(connection, element->path,
1666                                         CONNMAN_NETWORK_INTERFACE,
1667                                         network_methods, element_signals,
1668                                         NULL, element, NULL) == FALSE)
1669                         connman_error("Failed to register %s network",
1670                                                                 element->path);
1671         }
1672
1673         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1674                 if (g_dbus_register_interface(connection, element->path,
1675                                         CONNMAN_CONNECTION_INTERFACE,
1676                                         connection_methods, element_signals,
1677                                         NULL, element, NULL) == FALSE)
1678                         connman_error("Failed to register %s connection",
1679                                                                 element->path);
1680                 else {
1681                         emit_connections_signal(connection);
1682                         emit_state_change(connection, "online");
1683                 }
1684         }
1685
1686 #if 0
1687         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1688                                 CONNMAN_MANAGER_INTERFACE, "ElementAdded",
1689                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1690                                                         DBUS_TYPE_INVALID);
1691 #endif
1692
1693         g_static_rw_lock_writer_unlock(&element_lock);
1694
1695         __connman_element_store(element);
1696
1697         g_static_rw_lock_writer_lock(&element_lock);
1698
1699         for (list = driver_list; list; list = list->next) {
1700                 struct connman_driver *driver = list->data;
1701
1702                 if (match_driver(element, driver) == FALSE)
1703                         continue;
1704
1705                 DBG("driver %p name %s", driver, driver->name);
1706
1707                 if (driver->probe(element) == 0) {
1708                         __connman_element_lock(element);
1709                         element->driver = driver;
1710                         __connman_element_unlock(element);
1711
1712                         enable_element(element);
1713                         break;
1714                 }
1715         }
1716
1717         g_static_rw_lock_writer_unlock(&element_lock);
1718 }
1719
1720 /**
1721  * connman_element_register:
1722  * @element: the element to register
1723  * @parent: the parent to register the element with
1724  *
1725  * Register an element with the core. It will be register under the given
1726  * parent of if %NULL is provided under the root element.
1727  *
1728  * Returns: %0 on success
1729  */
1730 int connman_element_register(struct connman_element *element,
1731                                         struct connman_element *parent)
1732 {
1733         DBG("element %p name %s parent %p", element, element->name, parent);
1734
1735         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
1736                 if (g_pattern_match_simple(device_filter,
1737                                                 element->name) == FALSE) {
1738                         DBG("ignoring %s device", element->name);
1739                         return -EPERM;
1740                 }
1741         }
1742
1743         if (connman_element_ref(element) == NULL)
1744                 return -EINVAL;
1745
1746         __connman_element_lock(element);
1747
1748         if (element->name == NULL) {
1749                 element->name = g_strdup(type2string(element->type));
1750                 if (element->name == NULL) {
1751                         __connman_element_unlock(element);
1752                         return -EINVAL;
1753                 }
1754         }
1755
1756         element->parent = parent;
1757
1758         __connman_element_unlock(element);
1759
1760         register_element(element, NULL);
1761
1762         return 0;
1763 }
1764
1765 static gboolean remove_element(GNode *node, gpointer user_data)
1766 {
1767         struct connman_element *element = node->data;
1768         struct connman_element *root = user_data;
1769
1770         DBG("element %p name %s", element, element->name);
1771
1772         if (element == root)
1773                 return FALSE;
1774
1775         if (element->driver) {
1776                 if (element->driver->remove)
1777                         element->driver->remove(element);
1778
1779                 __connman_element_lock(element);
1780                 element->driver = NULL;
1781                 __connman_element_unlock(element);
1782         }
1783
1784         if (node != NULL) {
1785                 g_node_unlink(node);
1786                 g_node_destroy(node);
1787         }
1788
1789 #if 0
1790         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1791                                 CONNMAN_MANAGER_INTERFACE, "ElementRemoved",
1792                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1793                                                         DBUS_TYPE_INVALID);
1794 #endif
1795
1796         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1797                 emit_state_change(connection, "offline");
1798                 emit_connections_signal(connection);
1799
1800                 g_dbus_unregister_interface(connection, element->path,
1801                                                 CONNMAN_CONNECTION_INTERFACE);
1802         }
1803
1804         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK)
1805                 g_dbus_unregister_interface(connection, element->path,
1806                                                 CONNMAN_NETWORK_INTERFACE);
1807
1808         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1809                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1810                 emit_devices_signal(connection);
1811
1812                 g_dbus_unregister_interface(connection, element->path,
1813                                                 CONNMAN_DEVICE_INTERFACE);
1814         }
1815
1816 #if 0
1817         g_dbus_unregister_interface(connection, element->path,
1818                                                 CONNMAN_ELEMENT_INTERFACE);
1819 #endif
1820
1821         connman_element_unref(element);
1822
1823         return FALSE;
1824 }
1825
1826 void connman_element_unregister(struct connman_element *element)
1827 {
1828         GNode *node;
1829
1830         DBG("element %p name %s", element, element->name);
1831
1832         g_static_rw_lock_writer_lock(&element_lock);
1833
1834         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1835
1836         if (node != NULL)
1837                 g_node_traverse(node, G_POST_ORDER,
1838                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1839
1840         g_static_rw_lock_writer_unlock(&element_lock);
1841 }
1842
1843 void connman_element_unregister_children(struct connman_element *element)
1844 {
1845         GNode *node;
1846
1847         DBG("element %p name %s", element, element->name);
1848
1849         g_static_rw_lock_writer_lock(&element_lock);
1850
1851         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1852
1853         if (node != NULL)
1854                 g_node_traverse(node, G_POST_ORDER,
1855                                 G_TRAVERSE_ALL, -1, remove_element, element);
1856
1857         g_static_rw_lock_writer_unlock(&element_lock);
1858 }
1859
1860 static gboolean update_element(GNode *node, gpointer user_data)
1861 {
1862         struct connman_element *element = node->data;
1863
1864         DBG("element %p name %s", element, element->name);
1865
1866         if (element->driver && element->driver->update)
1867                 element->driver->update(element);
1868
1869 #if 0
1870         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1871                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1872                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1873                                                         DBUS_TYPE_INVALID);
1874 #endif
1875
1876         return FALSE;
1877 }
1878
1879 void connman_element_update(struct connman_element *element)
1880 {
1881         GNode *node;
1882
1883         DBG("element %p name %s", element, element->name);
1884
1885         g_static_rw_lock_reader_lock(&element_lock);
1886
1887         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1888
1889         if (node != NULL)
1890                 g_node_traverse(node, G_PRE_ORDER,
1891                                 G_TRAVERSE_ALL, -1, update_element, NULL);
1892
1893         g_static_rw_lock_reader_unlock(&element_lock);
1894 }
1895
1896 int connman_element_set_enabled(struct connman_element *element,
1897                                                         gboolean enabled)
1898 {
1899         if (element->enabled == enabled)
1900                 return 0;
1901
1902         element->enabled = enabled;
1903
1904         connman_element_update(element);
1905
1906         return 0;
1907 }
1908
1909 int __connman_element_init(DBusConnection *conn, const char *device)
1910 {
1911         struct connman_element *element;
1912
1913         DBG("conn %p", conn);
1914
1915         connection = dbus_connection_ref(conn);
1916         if (connection == NULL)
1917                 return -EIO;
1918
1919         device_filter = g_strdup(device);
1920
1921         g_static_rw_lock_writer_lock(&element_lock);
1922
1923         element = connman_element_create("root");
1924
1925         element->path = g_strdup("/");
1926         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
1927
1928         create_default_properties(element);
1929
1930         element_root = g_node_new(element);
1931
1932         g_static_rw_lock_writer_unlock(&element_lock);
1933
1934         __connman_device_init();
1935
1936         return 0;
1937 }
1938
1939 static gboolean free_driver(GNode *node, gpointer data)
1940 {
1941         struct connman_element *element = node->data;
1942
1943         DBG("element %p name %s", element, element->name);
1944
1945         if (element->driver) {
1946                 if (element->driver->remove)
1947                         element->driver->remove(element);
1948
1949                 __connman_element_lock(element);
1950                 element->driver = NULL;
1951                 __connman_element_unlock(element);
1952         }
1953
1954         return FALSE;
1955 }
1956
1957 static gboolean free_node(GNode *node, gpointer data)
1958 {
1959         struct connman_element *element = node->data;
1960
1961         DBG("element %p name %s", element, element->name);
1962
1963         if (g_node_depth(node) > 1)
1964                 connman_element_unregister(element);
1965
1966         return FALSE;
1967 }
1968
1969 void __connman_element_cleanup(void)
1970 {
1971         DBG("");
1972
1973         __connman_device_cleanup();
1974
1975         g_static_rw_lock_writer_lock(&element_lock);
1976         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1977                                                         free_driver, NULL);
1978         g_static_rw_lock_writer_unlock(&element_lock);
1979
1980         g_static_rw_lock_writer_lock(&element_lock);
1981         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
1982                                                         free_node, NULL);
1983         g_static_rw_lock_writer_unlock(&element_lock);
1984
1985         g_static_rw_lock_writer_lock(&element_lock);
1986         g_node_destroy(element_root);
1987         element_root = NULL;
1988         g_static_rw_lock_writer_unlock(&element_lock);
1989
1990         g_free(device_filter);
1991
1992         dbus_connection_unref(connection);
1993 }