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_BROADCAST,
  56                 DBUS_TYPE_STRING, "IPv4.Broadcast" },
  57         { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
  58                 DBUS_TYPE_STRING, "IPv4.Nameserver" },
  59
  60         { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
  61                 DBUS_TYPE_STRING, "WiFi.Security" },
  62         { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
  63                 DBUS_TYPE_STRING, "WiFi.Passphrase" },
  64
  65         { }
  66 };
  67
  68 static int propid2type(enum connman_property_id id)
  69 {
  70         int i;
  71
  72         for (i = 0; propid_table[i].name; i++) {
  73                 if (propid_table[i].id == id)
  74                         return propid_table[i].type;
  75         }
  76
  77         return DBUS_TYPE_INVALID;
  78 }
  79
  80 static const char *propid2name(enum connman_property_id id)
  81 {
  82         int i;
  83
  84         for (i = 0; propid_table[i].name; i++) {
  85                 if (propid_table[i].id == id)
  86                         return propid_table[i].name;
  87         }
  88
  89         return NULL;
  90 }
  91
  92 static const char *type2string(enum connman_element_type type)
  93 {
  94         switch (type) {
  95         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  96                 return "unknown";
  97         case CONNMAN_ELEMENT_TYPE_ROOT:
  98                 return "root";
  99         case CONNMAN_ELEMENT_TYPE_PROFILE:
 100                 return "profile";
 101         case CONNMAN_ELEMENT_TYPE_DEVICE:
 102                 return "device";
 103         case CONNMAN_ELEMENT_TYPE_NETWORK:
 104                 return "network";
 105         case CONNMAN_ELEMENT_TYPE_SERVICE:
 106                 return "service";
 107         case CONNMAN_ELEMENT_TYPE_IPV4:
 108                 return "ipv4";
 109         case CONNMAN_ELEMENT_TYPE_IPV6:
 110                 return "ipv6";
 111         case CONNMAN_ELEMENT_TYPE_DHCP:
 112                 return "dhcp";
 113         case CONNMAN_ELEMENT_TYPE_BOOTP:
 114                 return "bootp";
 115         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 116                 return "zeroconf";
 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_IGNORE:
 154                 return "ignore";
 155         case CONNMAN_ELEMENT_POLICY_AUTO:
 156                 return "auto";
 157         case CONNMAN_ELEMENT_POLICY_ASK:
 158                 return "ask";
 159         }
 160
 161         return NULL;
 162 }
 163
 164 enum connman_element_policy __connman_element_string2policy(const char *policy)
 165 {
 166         if (strcasecmp(policy, "ignore") == 0)
 167                 return CONNMAN_ELEMENT_POLICY_IGNORE;
 168         else if (strcasecmp(policy, "auto") == 0)
 169                 return CONNMAN_ELEMENT_POLICY_AUTO;
 170         else if (strcasecmp(policy, "ask") == 0)
 171                 return CONNMAN_ELEMENT_POLICY_ASK;
 172         else
 173                 return CONNMAN_ELEMENT_POLICY_UNKNOWN;
 174 }
 175
 176 const char *__connman_ipv4_method2string(enum connman_ipv4_method method)
 177 {
 178         switch (method) {
 179         case CONNMAN_IPV4_METHOD_UNKNOWN:
 180                 return "unknown";
 181         case CONNMAN_IPV4_METHOD_OFF:
 182                 return "off";
 183         case CONNMAN_IPV4_METHOD_STATIC:
 184                 return "static";
 185         case CONNMAN_IPV4_METHOD_DHCP:
 186                 return "dhcp";
 187         }
 188
 189         return "unknown";
 190 }
 191
 192 enum connman_ipv4_method __connman_ipv4_string2method(const char *method)
 193 {
 194         if (strcasecmp(method, "off") == 0)
 195                 return CONNMAN_IPV4_METHOD_OFF;
 196         else if (strcasecmp(method, "static") == 0)
 197                 return CONNMAN_IPV4_METHOD_STATIC;
 198         else if (strcasecmp(method, "dhcp") == 0)
 199                 return CONNMAN_IPV4_METHOD_DHCP;
 200         else
 201                 return CONNMAN_IPV4_METHOD_UNKNOWN;
 202 }
 203
 204 static void append_property(DBusMessageIter *dict,
 205                                 struct connman_property *property)
 206 {
 207         if (property->value == NULL)
 208                 return;
 209
 210         switch (property->type) {
 211         case DBUS_TYPE_ARRAY:
 212                 connman_dbus_dict_append_array(dict, property->name,
 213                         property->subtype, &property->value, property->size);
 214                 break;
 215         case DBUS_TYPE_STRING:
 216                 connman_dbus_dict_append_variant(dict, property->name,
 217                                         property->type, &property->value);
 218                 break;
 219         default:
 220                 connman_dbus_dict_append_variant(dict, property->name,
 221                                         property->type, property->value);
 222                 break;
 223         }
 224 }
 225
 226 static void add_common_properties(struct connman_element *element,
 227                                                 DBusMessageIter *dict)
 228 {
 229         const char *address = NULL, *netmask = NULL, *gateway = NULL;
 230         GSList *list;
 231
 232         connman_element_get_value(element,
 233                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
 234         connman_element_get_value(element,
 235                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
 236         connman_element_get_value(element,
 237                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
 238
 239         if (element->priority > 0)
 240                 connman_dbus_dict_append_variant(dict, "Priority",
 241                                         DBUS_TYPE_UINT16, &element->priority);
 242
 243         if (address != NULL)
 244                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 245                                                 DBUS_TYPE_STRING, &address);
 246         if (netmask != NULL)
 247                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 248                                                 DBUS_TYPE_STRING, &netmask);
 249         if (gateway != NULL)
 250                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 251                                                 DBUS_TYPE_STRING, &gateway);
 252
 253         if (element->wifi.security != NULL) {
 254                 const char *passphrase = "";
 255
 256                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 257                                 DBUS_TYPE_STRING, &element->wifi.security);
 258
 259                 if (element->wifi.passphrase != NULL)
 260                         passphrase = element->wifi.passphrase;
 261
 262                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 263                                 DBUS_TYPE_STRING, &passphrase);
 264         }
 265
 266         __connman_element_lock(element);
 267
 268         for (list = element->properties; list; list = list->next) {
 269                 struct connman_property *property = list->data;
 270
 271                 append_property(dict, property);
 272         }
 273
 274         __connman_element_unlock(element);
 275 }
 276
 277 static void set_common_property(struct connman_element *element,
 278                                 const char *name, DBusMessageIter *value)
 279 {
 280         GSList *list;
 281
 282         if (g_str_equal(name, "Priority") == TRUE) {
 283                 dbus_message_iter_get_basic(value, &element->priority);
 284                 return;
 285         }
 286
 287         __connman_element_lock(element);
 288
 289         for (list = element->properties; list; list = list->next) {
 290                 struct connman_property *property = list->data;
 291                 const char *str;
 292
 293                 if (g_str_equal(property->name, name) == FALSE)
 294                         continue;
 295
 296                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 297                         continue;
 298
 299                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 300
 301                 if (property->type == DBUS_TYPE_STRING) {
 302                         dbus_message_iter_get_basic(value, &str);
 303                         g_free(property->value);
 304                         property->value = g_strdup(str);
 305                 } else
 306                         property->value = NULL;
 307         }
 308
 309         __connman_element_unlock(element);
 310 }
 311
 312 static void emit_enabled_signal(DBusConnection *conn,
 313                                         struct connman_element *element)
 314 {
 315         DBusMessage *signal;
 316         DBusMessageIter entry, value;
 317         const char *iface, *key;
 318
 319         DBG("conn %p", conn);
 320
 321         if (element == NULL)
 322                 return;
 323
 324         switch (element->type) {
 325         case CONNMAN_ELEMENT_TYPE_DEVICE:
 326                 iface = CONNMAN_DEVICE_INTERFACE;
 327                 key = "Powered";
 328                 break;
 329         case CONNMAN_ELEMENT_TYPE_NETWORK:
 330                 iface = CONNMAN_NETWORK_INTERFACE;
 331                 key = "Connected";
 332                 break;
 333         case CONNMAN_ELEMENT_TYPE_CONNECTION:
 334                 iface = CONNMAN_CONNECTION_INTERFACE;
 335                 key = "Default";
 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         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN,
 353                                                         &element->enabled);
 354         dbus_message_iter_close_container(&entry, &value);
 355
 356         g_dbus_send_message(conn, signal);
 357 }
 358
 359 static DBusMessage *do_update(DBusConnection *conn,
 360                                         DBusMessage *msg, void *data)
 361 {
 362         struct connman_element *element = data;
 363
 364         DBG("conn %p", conn);
 365
 366         if (element->enabled == FALSE)
 367                 return __connman_error_failed(msg);
 368
 369         if (element->driver && element->driver->update) {
 370                 DBG("Calling update callback");
 371                 if (element->driver->update(element) < 0)
 372                         return __connman_error_failed(msg);
 373
 374         }
 375
 376         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 377 }
 378
 379 static DBusMessage *do_enable(DBusConnection *conn,
 380                                         DBusMessage *msg, void *data)
 381 {
 382         struct connman_element *element = data;
 383
 384         DBG("conn %p", conn);
 385
 386         if (element->enabled == TRUE)
 387                 return __connman_error_failed(msg);
 388
 389         if (element->driver && element->driver->enable) {
 390                 DBG("Calling enable callback");
 391                 if (element->driver->enable(element) < 0)
 392                         return __connman_error_failed(msg);
 393         }
 394
 395         element->enabled = TRUE;
 396
 397         emit_enabled_signal(connection, element);
 398
 399         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 400 }
 401
 402 static DBusMessage *do_disable(DBusConnection *conn,
 403                                         DBusMessage *msg, void *data)
 404 {
 405         struct connman_element *element = data;
 406
 407         DBG("conn %p", conn);
 408
 409         if (element->enabled == FALSE)
 410                 return __connman_error_failed(msg);
 411
 412         if (element->driver && element->driver->disable) {
 413                 DBG("Calling disable callback");
 414                 if (element->driver->disable(element) < 0)
 415                         return __connman_error_failed(msg);
 416         }
 417
 418         element->enabled = FALSE;
 419
 420         emit_enabled_signal(connection, element);
 421
 422         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 423 }
 424
 425 static void append_networks(struct connman_element *element,
 426                                                 DBusMessageIter *entry)
 427 {
 428         DBusMessageIter value, iter;
 429         const char *key = "Networks";
 430
 431         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 432
 433         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 434                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 435                                                                 &value);
 436
 437         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 438                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 439
 440         __connman_element_list(element, CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 441
 442         dbus_message_iter_close_container(&value, &iter);
 443
 444         dbus_message_iter_close_container(entry, &value);
 445 }
 446
 447 static DBusMessage *device_get_properties(DBusConnection *conn,
 448                                         DBusMessage *msg, void *data)
 449 {
 450         struct connman_element *element = data;
 451         DBusMessage *reply;
 452         DBusMessageIter array, dict, entry;
 453         const char *str;
 454
 455         DBG("conn %p", conn);
 456
 457         reply = dbus_message_new_method_return(msg);
 458         if (reply == NULL)
 459                 return NULL;
 460
 461         dbus_message_iter_init_append(reply, &array);
 462
 463         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 464                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 465                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 466                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 467
 468         str = subtype2string(element->subtype);
 469         if (str != NULL)
 470                 connman_dbus_dict_append_variant(&dict, "Type",
 471                                                 DBUS_TYPE_STRING, &str);
 472
 473         str = __connman_element_policy2string(element->policy);
 474         if (str != NULL)
 475                 connman_dbus_dict_append_variant(&dict, "Policy",
 476                                                 DBUS_TYPE_STRING, &str);
 477
 478         connman_dbus_dict_append_variant(&dict, "Powered",
 479                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 480
 481         if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_WIFI ||
 482                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_WIMAX) {
 483                 dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 484                                                                 NULL, &entry);
 485                 append_networks(element, &entry);
 486                 dbus_message_iter_close_container(&dict, &entry);
 487         }
 488
 489         add_common_properties(element, &dict);
 490
 491         dbus_message_iter_close_container(&array, &dict);
 492
 493         return reply;
 494 }
 495
 496 static DBusMessage *device_set_property(DBusConnection *conn,
 497                                         DBusMessage *msg, void *data)
 498 {
 499         struct connman_element *element = data;
 500         DBusMessageIter iter, value;
 501         const char *name;
 502
 503         DBG("conn %p", conn);
 504
 505         if (dbus_message_iter_init(msg, &iter) == FALSE)
 506                 return __connman_error_invalid_arguments(msg);
 507
 508         dbus_message_iter_get_basic(&iter, &name);
 509         dbus_message_iter_next(&iter);
 510         dbus_message_iter_recurse(&iter, &value);
 511
 512         if (__connman_security_check_privileges(msg) < 0)
 513                 return __connman_error_permission_denied(msg);
 514
 515         if (g_str_equal(name, "Powered") == TRUE) {
 516                 dbus_bool_t powered;
 517
 518                 dbus_message_iter_get_basic(&value, &powered);
 519
 520                 if (powered == TRUE)
 521                         do_enable(conn, msg, data);
 522                 else
 523                         do_disable(conn, msg, data);
 524         } else
 525                 set_common_property(element, name, &value);
 526
 527         __connman_element_store(element);
 528
 529         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 530 }
 531
 532 static int parse_network_dict(DBusMessageIter *iter, const char **ssid,
 533                                 const char **security, const char **passphrase)
 534 {
 535         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_DICT_ENTRY) {
 536                 DBusMessageIter entry, value;
 537                 const char *key;
 538
 539                 dbus_message_iter_recurse(iter, &entry);
 540                 dbus_message_iter_get_basic(&entry, &key);
 541
 542                 dbus_message_iter_next(&entry);
 543                 dbus_message_iter_recurse(&entry, &value);
 544
 545                 switch (dbus_message_iter_get_arg_type(&value)) {
 546                 case DBUS_TYPE_STRING:
 547                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 548                                 dbus_message_iter_get_basic(&value, ssid);
 549                         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 550                                 dbus_message_iter_get_basic(&value, security);
 551                         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 552                                 dbus_message_iter_get_basic(&value, passphrase);
 553                         break;
 554                 }
 555
 556                 dbus_message_iter_next(iter);
 557         }
 558
 559         return 0;
 560 }
 561
 562 static DBusMessage *device_create_network(DBusConnection *conn,
 563                                         DBusMessage *msg, void *data)
 564 {
 565         struct connman_element *element = data;
 566         struct connman_element *network;
 567         DBusMessageIter iter, array;
 568         const char *ssid = NULL, *security = NULL, *passphrase = NULL;
 569
 570         DBG("conn %p", conn);
 571
 572         if (dbus_message_iter_init(msg, &iter) == FALSE)
 573                 return __connman_error_invalid_arguments(msg);
 574
 575         dbus_message_iter_recurse(&iter, &array);
 576         parse_network_dict(&array, &ssid, &security, &passphrase);
 577         if (ssid == NULL)
 578                 return __connman_error_invalid_arguments(msg);
 579
 580         DBG("ssid %s security %s passphrase %s", ssid, security, passphrase);
 581
 582         network = connman_element_create(ssid);
 583
 584         network->type = CONNMAN_ELEMENT_TYPE_NETWORK;
 585         network->index = element->index;
 586
 587         network->remember = TRUE;
 588
 589         connman_element_add_static_property(network, "Name",
 590                                                 DBUS_TYPE_STRING, &ssid);
 591
 592         connman_element_add_static_array_property(element, "WiFi.SSID",
 593                                         DBUS_TYPE_BYTE, &ssid, strlen(ssid));
 594
 595         network->wifi.security = g_strdup(security);
 596         network->wifi.passphrase = g_strdup(passphrase);
 597
 598         connman_element_register(network, element);
 599
 600         return g_dbus_create_reply(msg, DBUS_TYPE_OBJECT_PATH, &network->path,
 601                                                         DBUS_TYPE_INVALID);
 602 }
 603
 604 static DBusMessage *device_remove_network(DBusConnection *conn,
 605                                         DBusMessage *msg, void *data)
 606 {
 607         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 608 }
 609
 610 static DBusMessage *network_get_properties(DBusConnection *conn,
 611                                         DBusMessage *msg, void *data)
 612 {
 613         struct connman_element *element = data;
 614         DBusMessage *reply;
 615         DBusMessageIter array, dict;
 616         const char *str;
 617
 618         DBG("conn %p", conn);
 619
 620         reply = dbus_message_new_method_return(msg);
 621         if (reply == NULL)
 622                 return NULL;
 623
 624         dbus_message_iter_init_append(reply, &array);
 625
 626         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 627                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 628                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 629                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 630
 631         str = __connman_element_policy2string(element->policy);
 632         if (str != NULL)
 633                 connman_dbus_dict_append_variant(&dict, "Policy",
 634                                                 DBUS_TYPE_STRING, &str);
 635
 636         connman_dbus_dict_append_variant(&dict, "Available",
 637                                         DBUS_TYPE_BOOLEAN, &element->available);
 638
 639         connman_dbus_dict_append_variant(&dict, "Connected",
 640                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 641
 642         connman_dbus_dict_append_variant(&dict, "Remember",
 643                                         DBUS_TYPE_BOOLEAN, &element->remember);
 644
 645         add_common_properties(element, &dict);
 646
 647         dbus_message_iter_close_container(&array, &dict);
 648
 649         return reply;
 650 }
 651
 652 static DBusMessage *network_set_property(DBusConnection *conn,
 653                                         DBusMessage *msg, void *data)
 654 {
 655         struct connman_element *element = data;
 656         DBusMessageIter iter;
 657         DBusMessageIter value;
 658         const char *name;
 659
 660         DBG("conn %p", conn);
 661
 662         if (dbus_message_iter_init(msg, &iter) == FALSE)
 663                 return __connman_error_invalid_arguments(msg);
 664
 665         dbus_message_iter_get_basic(&iter, &name);
 666         dbus_message_iter_next(&iter);
 667         dbus_message_iter_recurse(&iter, &value);
 668
 669         if (__connman_security_check_privileges(msg) < 0)
 670                 return __connman_error_permission_denied(msg);
 671
 672         if (g_str_equal(name, "Remember") == TRUE) {
 673                 dbus_message_iter_get_basic(&value, &element->remember);
 674         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 675                 const char *str;
 676
 677                 dbus_message_iter_get_basic(&value, &str);
 678                 g_free(element->wifi.passphrase);
 679                 element->wifi.passphrase = g_strdup(str);
 680         } else
 681                 set_common_property(element, name, &value);
 682
 683         __connman_element_store(element);
 684
 685         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 686 }
 687
 688 static DBusMessage *connection_get_properties(DBusConnection *conn,
 689                                         DBusMessage *msg, void *data)
 690 {
 691         struct connman_element *element = data;
 692         DBusMessage *reply;
 693         DBusMessageIter array, dict;
 694         const char *str;
 695
 696         DBG("conn %p", conn);
 697
 698         reply = dbus_message_new_method_return(msg);
 699         if (reply == NULL)
 700                 return NULL;
 701
 702         dbus_message_iter_init_append(reply, &array);
 703
 704         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 705                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 706                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 707                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 708
 709         str = subtype2string(element->subtype);
 710         if (str != NULL)
 711                 connman_dbus_dict_append_variant(&dict, "Type",
 712                                                 DBUS_TYPE_STRING, &str);
 713
 714         if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_WIFI ||
 715                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_WIMAX)
 716                 connman_dbus_dict_append_variant(&dict, "Strength",
 717                                         DBUS_TYPE_BYTE, &element->strength);
 718
 719         connman_dbus_dict_append_variant(&dict, "Default",
 720                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 721
 722         add_common_properties(element, &dict);
 723
 724         dbus_message_iter_close_container(&array, &dict);
 725
 726         return reply;
 727 }
 728
 729 static GDBusMethodTable device_methods[] = {
 730         { "GetProperties", "",      "a{sv}", device_get_properties },
 731         { "SetProperty",   "sv",    "",      device_set_property   },
 732         { "CreateNetwork", "a{sv}", "o",     device_create_network },
 733         { "RemoveNetwork", "o",     "",      device_remove_network },
 734         { "ProposeScan",   "",      "",      do_update             },
 735         { },
 736 };
 737
 738 static GDBusMethodTable network_methods[] = {
 739         { "GetProperties", "",   "a{sv}", network_get_properties },
 740         { "SetProperty",   "sv", "",      network_set_property   },
 741         { "Connect",       "",   "",      do_enable              },
 742         { "Disconnect",    "",   "",      do_disable             },
 743         { },
 744 };
 745
 746 static GDBusMethodTable connection_methods[] = {
 747         { "GetProperties", "",   "a{sv}", connection_get_properties },
 748         { },
 749 };
 750
 751 static GDBusSignalTable element_signals[] = {
 752         { "PropertyChanged", "sv" },
 753         { },
 754 };
 755
 756 struct append_filter {
 757         enum connman_element_type type;
 758         DBusMessageIter *iter;
 759 };
 760
 761 static gboolean append_path(GNode *node, gpointer user_data)
 762 {
 763         struct connman_element *element = node->data;
 764         struct append_filter *filter = user_data;
 765
 766         DBG("element %p name %s", element, element->name);
 767
 768         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 769                 return FALSE;
 770
 771         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 772                                         filter->type != element->type)
 773                 return FALSE;
 774
 775         if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 776                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
 777                 return FALSE;
 778
 779         dbus_message_iter_append_basic(filter->iter,
 780                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 781
 782         return FALSE;
 783 }
 784
 785 void __connman_element_list(struct connman_element *element,
 786                                         enum connman_element_type type,
 787                                                         DBusMessageIter *iter)
 788 {
 789         struct append_filter filter = { type, iter };
 790         GNode *node;
 791
 792         DBG("");
 793
 794         if (element != NULL) {
 795                 node = g_node_find(element_root, G_PRE_ORDER,
 796                                                 G_TRAVERSE_ALL, element);
 797                 if (node == NULL)
 798                         return;
 799         } else
 800                 node = element_root;
 801
 802         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 803                                                 append_path, &filter);
 804 }
 805
 806 struct count_data {
 807         enum connman_element_type type;
 808         int count;
 809 };
 810
 811 static gboolean count_element(GNode *node, gpointer user_data)
 812 {
 813         struct connman_element *element = node->data;
 814         struct count_data *data = user_data;
 815
 816         DBG("element %p name %s", element, element->name);
 817
 818         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 819                 return FALSE;
 820
 821         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 822                                         data->type != element->type)
 823                 return FALSE;
 824
 825         data->count++;
 826
 827         return FALSE;
 828 }
 829
 830 int __connman_element_count(struct connman_element *element,
 831                                         enum connman_element_type type)
 832 {
 833         struct count_data data = { type, 0 };
 834         GNode *node;
 835
 836         DBG("");
 837
 838         if (element != NULL) {
 839                 node = g_node_find(element_root, G_PRE_ORDER,
 840                                                 G_TRAVERSE_ALL, element);
 841                 if (node == NULL)
 842                         return 0;
 843         } else
 844                 node = element_root;
 845
 846         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 847                                                 count_element, &data);
 848
 849         return data.count;
 850 }
 851
 852 static gint compare_priority(gconstpointer a, gconstpointer b)
 853 {
 854         const struct connman_driver *driver1 = a;
 855         const struct connman_driver *driver2 = b;
 856
 857         return driver2->priority - driver1->priority;
 858 }
 859
 860 static gboolean match_driver(struct connman_element *element,
 861                                         struct connman_driver *driver)
 862 {
 863         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 864                 return FALSE;
 865
 866         if (element->type != driver->type &&
 867                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 868                 return FALSE;
 869
 870         if (element->subtype == driver->subtype ||
 871                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 872                 return TRUE;
 873
 874         return FALSE;
 875 }
 876
 877 static void enable_element(struct connman_element *element)
 878 {
 879         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 880                 return;
 881
 882         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 883                 return;
 884
 885         if (element->driver && element->driver->enable) {
 886                 if (element->driver->enable(element) == 0) {
 887                         element->enabled = TRUE;
 888                         emit_enabled_signal(connection, element);
 889                 }
 890         }
 891 }
 892
 893 static gboolean probe_driver(GNode *node, gpointer data)
 894 {
 895         struct connman_element *element = node->data;
 896         struct connman_driver *driver = data;
 897
 898         DBG("element %p name %s", element, element->name);
 899
 900         if (!element->driver && match_driver(element, driver) == TRUE) {
 901                 if (driver->probe(element) < 0)
 902                         return FALSE;
 903
 904                 __connman_element_lock(element);
 905                 element->driver = driver;
 906                 __connman_element_unlock(element);
 907
 908                 enable_element(element);
 909         }
 910
 911         return FALSE;
 912 }
 913
 914 void __connman_driver_rescan(struct connman_driver *driver)
 915 {
 916         DBG("driver %p name %s", driver, driver->name);
 917
 918         if (!driver->probe)
 919                 return;
 920
 921         if (element_root != NULL)
 922                 g_node_traverse(element_root, G_PRE_ORDER,
 923                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 924 }
 925
 926 /**
 927  * connman_driver_register:
 928  * @driver: driver definition
 929  *
 930  * Register a new driver
 931  *
 932  * Returns: %0 on success
 933  */
 934 int connman_driver_register(struct connman_driver *driver)
 935 {
 936         DBG("driver %p name %s", driver, driver->name);
 937
 938         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
 939                 return -EINVAL;
 940
 941         if (!driver->probe)
 942                 return -EINVAL;
 943
 944         driver_list = g_slist_insert_sorted(driver_list, driver,
 945                                                         compare_priority);
 946
 947         if (element_root != NULL)
 948                 g_node_traverse(element_root, G_PRE_ORDER,
 949                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
 950
 951         return 0;
 952 }
 953
 954 static void disable_element(struct connman_element *element)
 955 {
 956         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 957                 return;
 958
 959         if (element->enabled == FALSE)
 960                 return;
 961
 962         if (element->driver && element->driver->disable) {
 963                 if (element->driver->disable(element) == 0) {
 964                         element->enabled = FALSE;
 965                         emit_enabled_signal(connection, element);
 966                 }
 967         }
 968 }
 969
 970 static gboolean remove_driver(GNode *node, gpointer data)
 971 {
 972         struct connman_element *element = node->data;
 973         struct connman_driver *driver = data;
 974
 975         DBG("element %p name %s", element, element->name);
 976
 977         if (element->driver == driver) {
 978                 disable_element(element);
 979
 980                 if (driver->remove)
 981                         driver->remove(element);
 982
 983                 __connman_element_lock(element);
 984                 element->driver = NULL;
 985                 __connman_element_unlock(element);
 986         }
 987
 988         return FALSE;
 989 }
 990
 991 /**
 992  * connman_driver_unregister:
 993  * @driver: driver definition
 994  *
 995  * Remove a previously registered driver
 996  */
 997 void connman_driver_unregister(struct connman_driver *driver)
 998 {
 999         DBG("driver %p name %s", driver, driver->name);
1000
1001         driver_list = g_slist_remove(driver_list, driver);
1002
1003         if (element_root != NULL)
1004                 g_node_traverse(element_root, G_POST_ORDER,
1005                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
1006 }
1007
1008 /**
1009  * connman_element_create:
1010  * @name: element name
1011  *
1012  * Allocate a new element and assign the given #name to it. If the name
1013  * is #NULL, it will be later on created based on the element type.
1014  *
1015  * Returns: a newly-allocated #connman_element structure
1016  */
1017 struct connman_element *connman_element_create(const char *name)
1018 {
1019         struct connman_element *element;
1020
1021         element = g_try_new0(struct connman_element, 1);
1022         if (element == NULL)
1023                 return NULL;
1024
1025         DBG("element %p", element);
1026
1027         element->refcount = 1;
1028
1029         element->name    = g_strdup(name);
1030         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1031         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
1032         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
1033         element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
1034         element->index   = -1;
1035         element->enabled = FALSE;
1036
1037         return element;
1038 }
1039
1040 struct connman_element *connman_element_ref(struct connman_element *element)
1041 {
1042         DBG("element %p name %s refcount %d", element, element->name,
1043                                 g_atomic_int_get(&element->refcount) + 1);
1044
1045         g_atomic_int_inc(&element->refcount);
1046
1047         return element;
1048 }
1049
1050 static void free_properties(struct connman_element *element)
1051 {
1052         GSList *list;
1053
1054         DBG("element %p name %s", element, element->name);
1055
1056         __connman_element_lock(element);
1057
1058         for (list = element->properties; list; list = list->next) {
1059                 struct connman_property *property = list->data;
1060
1061                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1062                         g_free(property->value);
1063
1064                 g_free(property->name);
1065                 g_free(property);
1066         }
1067
1068         g_slist_free(element->properties);
1069
1070         element->properties = NULL;
1071
1072         __connman_element_unlock(element);
1073 }
1074
1075 void connman_element_unref(struct connman_element *element)
1076 {
1077         DBG("element %p name %s refcount %d", element, element->name,
1078                                 g_atomic_int_get(&element->refcount) - 1);
1079
1080         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
1081                 free_properties(element);
1082                 g_free(element->ipv4.address);
1083                 g_free(element->ipv4.netmask);
1084                 g_free(element->ipv4.gateway);
1085                 g_free(element->ipv4.network);
1086                 g_free(element->ipv4.broadcast);
1087                 g_free(element->ipv4.nameserver);
1088                 g_free(element->devname);
1089                 g_free(element->path);
1090                 g_free(element->name);
1091                 g_free(element);
1092         }
1093 }
1094
1095 int connman_element_add_static_property(struct connman_element *element,
1096                                 const char *name, int type, const void *value)
1097 {
1098         struct connman_property *property;
1099
1100         DBG("element %p name %s", element, element->name);
1101
1102         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
1103                 return -EINVAL;
1104
1105         property = g_try_new0(struct connman_property, 1);
1106         if (property == NULL)
1107                 return -ENOMEM;
1108
1109         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
1110         property->id    = CONNMAN_PROPERTY_ID_INVALID;
1111         property->name  = g_strdup(name);
1112         property->type  = type;
1113
1114         DBG("name %s type %d value %p", name, type, value);
1115
1116         switch (type) {
1117         case DBUS_TYPE_STRING:
1118                 property->value = g_strdup(*((const char **) value));
1119                 break;
1120         case DBUS_TYPE_BYTE:
1121                 property->value = g_try_malloc(1);
1122                 if (property->value != NULL)
1123                         memcpy(property->value, value, 1);
1124                 break;
1125         }
1126
1127         __connman_element_lock(element);
1128         element->properties = g_slist_append(element->properties, property);
1129         __connman_element_unlock(element);
1130
1131         return 0;
1132 }
1133
1134 static void emit_property_changed(DBusConnection *conn,
1135                                 struct connman_element *element,
1136                                 const char *name, int type, const void *data)
1137 {
1138         DBusMessage *signal;
1139         DBusMessageIter entry, value;
1140         const char *iface, *sig;
1141
1142         DBG("conn %p", conn);
1143
1144         switch (element->type) {
1145         case CONNMAN_ELEMENT_TYPE_DEVICE:
1146                 iface = CONNMAN_DEVICE_INTERFACE;
1147                 break;
1148         case CONNMAN_ELEMENT_TYPE_NETWORK:
1149                 iface = CONNMAN_NETWORK_INTERFACE;
1150                 break;
1151         case CONNMAN_ELEMENT_TYPE_CONNECTION:
1152                 iface = CONNMAN_CONNECTION_INTERFACE;
1153                 break;
1154         default:
1155                 return;
1156         }
1157
1158         signal = dbus_message_new_signal(element->path,
1159                                                 iface, "PropertyChanged");
1160         if (signal == NULL)
1161                 return;
1162
1163         dbus_message_iter_init_append(signal, &entry);
1164
1165         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &name);
1166
1167         switch (type) {
1168         case DBUS_TYPE_STRING:
1169                 sig = DBUS_TYPE_STRING_AS_STRING;
1170                 break;
1171         case DBUS_TYPE_BYTE:
1172                 sig = DBUS_TYPE_BYTE_AS_STRING;
1173                 break;
1174         default:
1175                 sig = DBUS_TYPE_VARIANT_AS_STRING;
1176                 break;
1177         }
1178
1179         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
1180                                                         sig, &value);
1181         dbus_message_iter_append_basic(&value, type, data);
1182         dbus_message_iter_close_container(&entry, &value);
1183
1184         g_dbus_send_message(conn, signal);
1185 }
1186
1187 int connman_element_set_static_property(struct connman_element *element,
1188                                 const char *name, int type, const void *value)
1189 {
1190         GSList *list;
1191
1192         DBG("element %p name %s", element, element->name);
1193
1194         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
1195                 return -EINVAL;
1196
1197         __connman_element_lock(element);
1198
1199         for (list = element->properties; list; list = list->next) {
1200                 struct connman_property *property = list->data;
1201
1202                 if (g_str_equal(property->name, name) == FALSE)
1203                         continue;
1204
1205                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1206                         continue;
1207
1208                 property->type = type;
1209                 g_free(property->value);
1210
1211                 switch (type) {
1212                 case DBUS_TYPE_STRING:
1213                         property->value = g_strdup(*((const char **) value));
1214                         break;
1215                 case DBUS_TYPE_BYTE:
1216                         property->value = g_try_malloc(1);
1217                         if (property->value != NULL)
1218                                 memcpy(property->value, value, 1);
1219                         break;
1220                 }
1221         }
1222
1223         __connman_element_unlock(element);
1224
1225         emit_property_changed(connection, element, name, type, value);
1226
1227         return 0;
1228 }
1229
1230 int connman_element_add_static_array_property(struct connman_element *element,
1231                         const char *name, int type, const void *value, int len)
1232 {
1233         struct connman_property *property;
1234
1235         DBG("element %p name %s", element, element->name);
1236
1237         if (type != DBUS_TYPE_BYTE)
1238                 return -EINVAL;
1239
1240         property = g_try_new0(struct connman_property, 1);
1241         if (property == NULL)
1242                 return -ENOMEM;
1243
1244         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
1245         property->id      = CONNMAN_PROPERTY_ID_INVALID;
1246         property->name    = g_strdup(name);
1247         property->type    = DBUS_TYPE_ARRAY;
1248         property->subtype = type;
1249
1250         DBG("name %s type %d value %p", name, type, value);
1251
1252         switch (type) {
1253         case DBUS_TYPE_BYTE:
1254                 property->value = g_try_malloc(len);
1255                 if (property->value != NULL) {
1256                         memcpy(property->value,
1257                                 *((const unsigned char **) value), len);
1258                         property->size = len;
1259                 }
1260                 break;
1261         }
1262
1263         __connman_element_lock(element);
1264         element->properties = g_slist_append(element->properties, property);
1265         __connman_element_unlock(element);
1266
1267         return 0;
1268 }
1269
1270 static void *get_reference_value(struct connman_element *element,
1271                                                 enum connman_property_id id)
1272 {
1273         GSList *list;
1274
1275         DBG("element %p name %s", element, element->name);
1276
1277         for (list = element->properties; list; list = list->next) {
1278                 struct connman_property *property = list->data;
1279
1280                 if (property->id != id)
1281                         continue;
1282
1283                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1284                         return property->value;
1285         }
1286
1287         if (element->parent == NULL)
1288                 return NULL;
1289
1290         return get_reference_value(element->parent, id);
1291 }
1292
1293 static void set_reference_properties(struct connman_element *element)
1294 {
1295         GSList *list;
1296
1297         DBG("element %p name %s", element, element->name);
1298
1299         for (list = element->properties; list; list = list->next) {
1300                 struct connman_property *property = list->data;
1301
1302                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1303                         continue;
1304
1305                 property->value = get_reference_value(element->parent,
1306                                                                 property->id);
1307         }
1308 }
1309
1310 static struct connman_property *create_property(struct connman_element *element,
1311                                                 enum connman_property_id id)
1312 {
1313         struct connman_property *property;
1314         GSList *list;
1315
1316         DBG("element %p name %s", element, element->name);
1317
1318         __connman_element_lock(element);
1319
1320         for (list = element->properties; list; list = list->next) {
1321                 property = list->data;
1322
1323                 if (property->id == id)
1324                         goto unlock;
1325         }
1326
1327         property = g_try_new0(struct connman_property, 1);
1328         if (property == NULL)
1329                 goto unlock;
1330
1331         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
1332         property->id    = id;
1333         property->name  = g_strdup(propid2name(id));
1334         property->type  = propid2type(id);
1335
1336         if (property->name == NULL) {
1337                 g_free(property);
1338                 property = NULL;
1339                 goto unlock;
1340         }
1341
1342         element->properties = g_slist_append(element->properties, property);
1343
1344 unlock:
1345         __connman_element_unlock(element);
1346
1347         return property;
1348 }
1349
1350 static void create_default_properties(struct connman_element *element)
1351 {
1352         struct connman_property *property;
1353         int i;
1354
1355         DBG("element %p name %s", element, element->name);
1356
1357         for (i = 0; propid_table[i].name; i++) {
1358                 DBG("property %s", propid_table[i].name);
1359
1360                 property = create_property(element, propid_table[i].id);
1361
1362                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
1363
1364                 if (propid_table[i].type != DBUS_TYPE_STRING)
1365                         continue;
1366
1367                 if (propid_table[i].value)
1368                         property->value = g_strdup(propid_table[i].value);
1369                 else
1370                         property->value = g_strdup("");
1371         }
1372 }
1373
1374 static int define_properties_valist(struct connman_element *element,
1375                                                                 va_list args)
1376 {
1377         enum connman_property_id id;
1378
1379         DBG("element %p name %s", element, element->name);
1380
1381         id = va_arg(args, enum connman_property_id);
1382
1383         while (id != CONNMAN_PROPERTY_ID_INVALID) {
1384
1385                 DBG("property %d", id);
1386
1387                 create_property(element, id);
1388
1389                 id = va_arg(args, enum connman_property_id);
1390         }
1391
1392         return 0;
1393 }
1394
1395 /**
1396  * connman_element_define_properties:
1397  * @element: an element
1398  * @varargs: list of property identifiers
1399  *
1400  * Define the valid properties for an element.
1401  *
1402  * Returns: %0 on success
1403  */
1404 int connman_element_define_properties(struct connman_element *element, ...)
1405 {
1406         va_list args;
1407         int err;
1408
1409         DBG("element %p name %s", element, element->name);
1410
1411         va_start(args, element);
1412
1413         err = define_properties_valist(element, args);
1414
1415         va_end(args);
1416
1417         return err;
1418 }
1419
1420 int connman_element_create_property(struct connman_element *element,
1421                                                 const char *name, int type)
1422 {
1423         return -EIO;
1424 }
1425
1426 int connman_element_set_property(struct connman_element *element,
1427                                 enum connman_property_id id, const void *value)
1428 {
1429         switch (id) {
1430         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1431                 __connman_element_lock(element);
1432                 g_free(element->ipv4.address);
1433                 element->ipv4.address = g_strdup(*((const char **) value));
1434                 __connman_element_unlock(element);
1435                 break;
1436         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1437                 __connman_element_lock(element);
1438                 g_free(element->ipv4.netmask);
1439                 element->ipv4.netmask = g_strdup(*((const char **) value));
1440                 __connman_element_unlock(element);
1441                 break;
1442         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1443                 __connman_element_lock(element);
1444                 g_free(element->ipv4.gateway);
1445                 element->ipv4.gateway = g_strdup(*((const char **) value));
1446                 __connman_element_unlock(element);
1447                 break;
1448         case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
1449                 __connman_element_lock(element);
1450                 g_free(element->ipv4.broadcast);
1451                 element->ipv4.broadcast = g_strdup(*((const char **) value));
1452                 __connman_element_unlock(element);
1453                 break;
1454         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1455                 __connman_element_lock(element);
1456                 g_free(element->ipv4.nameserver);
1457                 element->ipv4.nameserver = g_strdup(*((const char **) value));
1458                 __connman_element_unlock(element);
1459                 break;
1460         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1461                 __connman_element_lock(element);
1462                 g_free(element->wifi.security);
1463                 element->wifi.security = g_strdup(*((const char **) value));
1464                 __connman_element_unlock(element);
1465                 break;
1466         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1467                 __connman_element_lock(element);
1468                 g_free(element->wifi.passphrase);
1469                 element->wifi.passphrase = g_strdup(*((const char **) value));
1470                 __connman_element_unlock(element);
1471                 break;
1472         default:
1473                 return -EINVAL;
1474         }
1475
1476         return 0;
1477 }
1478
1479 int connman_element_get_value(struct connman_element *element,
1480                                 enum connman_property_id id, void *value)
1481 {
1482         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1483                 return -EINVAL;
1484
1485         switch (id) {
1486         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1487                 if (element->ipv4.address == NULL)
1488                         return connman_element_get_value(element->parent,
1489                                                                 id, value);
1490                 __connman_element_lock(element);
1491                 *((char **) value) = element->ipv4.address;
1492                 __connman_element_unlock(element);
1493                 break;
1494         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1495                 if (element->ipv4.netmask == NULL)
1496                         return connman_element_get_value(element->parent,
1497                                                                 id, value);
1498                 __connman_element_lock(element);
1499                 *((char **) value) = element->ipv4.netmask;
1500                 __connman_element_unlock(element);
1501                 break;
1502         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1503                 if (element->ipv4.gateway == NULL)
1504                         return connman_element_get_value(element->parent,
1505                                                                 id, value);
1506                 __connman_element_lock(element);
1507                 *((char **) value) = element->ipv4.gateway;
1508                 __connman_element_unlock(element);
1509                 break;
1510         case CONNMAN_PROPERTY_ID_IPV4_BROADCAST:
1511                 if (element->ipv4.broadcast == NULL)
1512                         return connman_element_get_value(element->parent,
1513                                                                 id, value);
1514                 __connman_element_lock(element);
1515                 *((char **) value) = element->ipv4.broadcast;
1516                 __connman_element_unlock(element);
1517                 break;
1518         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1519                 if (element->ipv4.nameserver == NULL)
1520                         return connman_element_get_value(element->parent,
1521                                                                 id, value);
1522                 __connman_element_lock(element);
1523                 *((char **) value) = element->ipv4.nameserver;
1524                 __connman_element_unlock(element);
1525                 break;
1526         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1527                 if (element->wifi.security == NULL)
1528                         return connman_element_get_value(element->parent,
1529                                                                 id, value);
1530                 __connman_element_lock(element);
1531                 *((char **) value) = element->wifi.security;
1532                 __connman_element_unlock(element);
1533                 break;
1534         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1535                 if (element->wifi.passphrase == NULL)
1536                         return connman_element_get_value(element->parent,
1537                                                                 id, value);
1538                 __connman_element_lock(element);
1539                 *((char **) value) = element->wifi.passphrase;
1540                 __connman_element_unlock(element);
1541                 break;
1542         default:
1543                 return -EINVAL;
1544         }
1545
1546         return 0;
1547 }
1548
1549 gboolean connman_element_get_static_property(struct connman_element *element,
1550                                                 const char *name, void *value)
1551 {
1552         GSList *list;
1553         gboolean found = FALSE;
1554
1555         DBG("element %p name %s", element, element->name);
1556
1557         __connman_element_lock(element);
1558
1559         for (list = element->properties; list; list = list->next) {
1560                 struct connman_property *property = list->data;
1561
1562                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1563                         continue;
1564
1565                 if (g_str_equal(property->name, name) == TRUE) {
1566                         switch (property->type) {
1567                         case DBUS_TYPE_STRING:
1568                                 *((char **) value) = property->value;
1569                                 found = TRUE;
1570                                 break;
1571                         }
1572                         break;
1573                 }
1574         }
1575
1576         __connman_element_unlock(element);
1577
1578         return found;
1579 }
1580
1581 gboolean connman_element_get_static_array_property(struct connman_element *element,
1582                                         const char *name, void *value, int *len)
1583 {
1584         GSList *list;
1585         gboolean found = FALSE;
1586
1587         DBG("element %p name %s", element, element->name);
1588
1589         __connman_element_lock(element);
1590
1591         for (list = element->properties; list; list = list->next) {
1592                 struct connman_property *property = list->data;
1593
1594                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1595                         continue;
1596
1597                 if (g_str_equal(property->name, name) == TRUE) {
1598                         *((char **) value) = property->value;
1599                         *len = property->size;
1600                         found = TRUE;
1601                         break;
1602                 }
1603         }
1604
1605         __connman_element_unlock(element);
1606
1607         return found;
1608 }
1609
1610 gboolean connman_element_match_static_property(struct connman_element *element,
1611                                         const char *name, const void *value)
1612 {
1613         GSList *list;
1614         gboolean result = FALSE;
1615
1616         DBG("element %p name %s", element, element->name);
1617
1618         __connman_element_lock(element);
1619
1620         for (list = element->properties; list; list = list->next) {
1621                 struct connman_property *property = list->data;
1622
1623                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1624                         continue;
1625
1626                 if (g_str_equal(property->name, name) == FALSE)
1627                         continue;
1628
1629                 if (property->type == DBUS_TYPE_STRING)
1630                         result = g_str_equal(property->value,
1631                                                 *((const char **) value));
1632
1633                 if (result == TRUE)
1634                         break;
1635         }
1636
1637         __connman_element_unlock(element);
1638
1639         return result;
1640 }
1641
1642 static void append_devices(DBusMessageIter *entry)
1643 {
1644         DBusMessageIter value, iter;
1645         const char *key = "Devices";
1646
1647         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1648
1649         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1650                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1651                                                                 &value);
1652
1653         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1654                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1655         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
1656         dbus_message_iter_close_container(&value, &iter);
1657
1658         dbus_message_iter_close_container(entry, &value);
1659 }
1660
1661 static void emit_devices_signal(DBusConnection *conn)
1662 {
1663         DBusMessage *signal;
1664         DBusMessageIter entry;
1665
1666         DBG("conn %p", conn);
1667
1668         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1669                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1670         if (signal == NULL)
1671                 return;
1672
1673         dbus_message_iter_init_append(signal, &entry);
1674
1675         append_devices(&entry);
1676
1677         g_dbus_send_message(conn, signal);
1678 }
1679
1680 static void emit_networks_signal(DBusConnection *conn,
1681                                         struct connman_element *device)
1682 {
1683         DBusMessage *signal;
1684         DBusMessageIter entry;
1685
1686         DBG("conn %p", conn);
1687
1688         if (device == NULL)
1689                 return;
1690
1691         signal = dbus_message_new_signal(device->path,
1692                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1693         if (signal == NULL)
1694                 return;
1695
1696         dbus_message_iter_init_append(signal, &entry);
1697
1698         append_networks(device, &entry);
1699
1700         g_dbus_send_message(conn, signal);
1701 }
1702
1703 static void append_connections(DBusMessageIter *entry)
1704 {
1705         DBusMessageIter value, iter;
1706         const char *key = "Connections";
1707
1708         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1709
1710         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1711                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1712                                                                 &value);
1713
1714         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1715                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1716         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1717         dbus_message_iter_close_container(&value, &iter);
1718
1719         dbus_message_iter_close_container(entry, &value);
1720 }
1721
1722 static void emit_connections_signal(DBusConnection *conn)
1723 {
1724         DBusMessage *signal;
1725         DBusMessageIter entry;
1726
1727         DBG("conn %p", conn);
1728
1729         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1730                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1731         if (signal == NULL)
1732                 return;
1733
1734         dbus_message_iter_init_append(signal, &entry);
1735
1736         append_connections(&entry);
1737
1738         g_dbus_send_message(conn, signal);
1739 }
1740
1741 static void append_state(DBusMessageIter *entry, const char *state)
1742 {
1743         DBusMessageIter value;
1744         const char *key = "State";
1745
1746         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1747
1748         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1749                                         DBUS_TYPE_STRING_AS_STRING, &value);
1750         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1751         dbus_message_iter_close_container(entry, &value);
1752 }
1753
1754 static void emit_state_change(DBusConnection *conn, const char *state)
1755 {
1756         DBusMessage *signal;
1757         DBusMessageIter entry;
1758
1759         DBG("conn %p", conn);
1760
1761         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1762                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1763         if (signal == NULL)
1764                 return;
1765
1766         dbus_message_iter_init_append(signal, &entry);
1767
1768         append_state(&entry, state);
1769
1770         g_dbus_send_message(conn, signal);
1771 }
1772
1773 static void set_signal_strength(struct connman_element *connection)
1774 {
1775         struct connman_element *element = connection;
1776
1777         while (element != NULL) {
1778                 if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1779                         connection->strength = element->strength;
1780                         break;
1781                 }
1782
1783                 element = element->parent;
1784         }
1785 }
1786
1787 static void register_element(gpointer data, gpointer user_data)
1788 {
1789         struct connman_element *element = data;
1790         const gchar *basepath;
1791         GSList *list;
1792         GNode *node;
1793
1794         __connman_element_lock(element);
1795
1796         if (element->parent) {
1797                 node = g_node_find(element_root, G_PRE_ORDER,
1798                                         G_TRAVERSE_ALL, element->parent);
1799                 basepath = element->parent->path;
1800
1801                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
1802                         element->subtype = element->parent->subtype;
1803         } else {
1804                 element->parent = element_root->data;
1805
1806                 node = element_root;
1807                 basepath = "";
1808         }
1809
1810         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1811
1812         set_reference_properties(element);
1813
1814         __connman_element_unlock(element);
1815
1816         DBG("element %p path %s", element, element->path);
1817
1818         __connman_element_load(element);
1819
1820         g_node_append_data(node, element);
1821
1822         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1823                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1824                 if (g_dbus_register_interface(connection, element->path,
1825                                         CONNMAN_DEVICE_INTERFACE,
1826                                         device_methods, element_signals,
1827                                         NULL, element, NULL) == FALSE)
1828                         connman_error("Failed to register %s device",
1829                                                                 element->path);
1830                 else
1831                         emit_devices_signal(connection);
1832         }
1833
1834         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1835                 if (g_dbus_register_interface(connection, element->path,
1836                                         CONNMAN_NETWORK_INTERFACE,
1837                                         network_methods, element_signals,
1838                                         NULL, element, NULL) == FALSE)
1839                         connman_error("Failed to register %s network",
1840                                                                 element->path);
1841                 else
1842                         emit_networks_signal(connection, element->parent);
1843         }
1844
1845         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1846                 if (g_dbus_register_interface(connection, element->path,
1847                                         CONNMAN_CONNECTION_INTERFACE,
1848                                         connection_methods, element_signals,
1849                                         NULL, element, NULL) == FALSE)
1850                         connman_error("Failed to register %s connection",
1851                                                                 element->path);
1852                 else {
1853                         set_signal_strength(element);
1854                         emit_connections_signal(connection);
1855                         emit_state_change(connection, "online");
1856                 }
1857         }
1858
1859         __connman_element_store(element);
1860
1861         for (list = driver_list; list; list = list->next) {
1862                 struct connman_driver *driver = list->data;
1863
1864                 if (match_driver(element, driver) == FALSE)
1865                         continue;
1866
1867                 DBG("driver %p name %s", driver, driver->name);
1868
1869                 if (driver->probe(element) == 0) {
1870                         __connman_element_lock(element);
1871                         element->driver = driver;
1872                         __connman_element_unlock(element);
1873
1874                         enable_element(element);
1875                         break;
1876                 }
1877         }
1878 }
1879
1880 /**
1881  * connman_element_register:
1882  * @element: the element to register
1883  * @parent: the parent to register the element with
1884  *
1885  * Register an element with the core. It will be register under the given
1886  * parent of if %NULL is provided under the root element.
1887  *
1888  * Returns: %0 on success
1889  */
1890 int connman_element_register(struct connman_element *element,
1891                                         struct connman_element *parent)
1892 {
1893         DBG("element %p name %s parent %p", element, element->name, parent);
1894
1895         if (element->devname == NULL)
1896                 element->devname = g_strdup(element->name);
1897
1898         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1899                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1900                 if (g_pattern_match_simple(device_filter,
1901                                                 element->devname) == FALSE) {
1902                         DBG("ignoring %s [%s] device", element->name,
1903                                                         element->devname);
1904                         return -EPERM;
1905                 }
1906         }
1907
1908         if (connman_element_ref(element) == NULL)
1909                 return -EINVAL;
1910
1911         __connman_element_lock(element);
1912
1913         if (element->name == NULL) {
1914                 element->name = g_strdup(type2string(element->type));
1915                 if (element->name == NULL) {
1916                         __connman_element_unlock(element);
1917                         return -EINVAL;
1918                 }
1919         }
1920
1921         element->parent = parent;
1922
1923         __connman_element_unlock(element);
1924
1925         register_element(element, NULL);
1926
1927         return 0;
1928 }
1929
1930 static gboolean remove_element(GNode *node, gpointer user_data)
1931 {
1932         struct connman_element *element = node->data;
1933         struct connman_element *root = user_data;
1934
1935         DBG("element %p name %s", element, element->name);
1936
1937         if (element == root)
1938                 return FALSE;
1939
1940         if (element->driver) {
1941                 disable_element(element);
1942
1943                 if (element->driver->remove)
1944                         element->driver->remove(element);
1945
1946                 __connman_element_lock(element);
1947                 element->driver = NULL;
1948                 __connman_element_unlock(element);
1949         }
1950
1951         if (node != NULL) {
1952                 g_node_unlink(node);
1953                 g_node_destroy(node);
1954         }
1955
1956         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1957                 emit_state_change(connection, "offline");
1958                 emit_connections_signal(connection);
1959
1960                 g_dbus_unregister_interface(connection, element->path,
1961                                                 CONNMAN_CONNECTION_INTERFACE);
1962         }
1963
1964         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1965                 emit_networks_signal(connection, element->parent);
1966
1967                 g_dbus_unregister_interface(connection, element->path,
1968                                                 CONNMAN_NETWORK_INTERFACE);
1969         }
1970
1971         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1972                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1973                 emit_devices_signal(connection);
1974
1975                 g_dbus_unregister_interface(connection, element->path,
1976                                                 CONNMAN_DEVICE_INTERFACE);
1977         }
1978
1979         connman_element_unref(element);
1980
1981         return FALSE;
1982 }
1983
1984 void connman_element_unregister(struct connman_element *element)
1985 {
1986         GNode *node;
1987
1988         DBG("element %p name %s", element, element->name);
1989
1990         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1991
1992         if (node != NULL)
1993                 g_node_traverse(node, G_POST_ORDER,
1994                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1995 }
1996
1997 void connman_element_unregister_children(struct connman_element *element)
1998 {
1999         GNode *node;
2000
2001         DBG("element %p name %s", element, element->name);
2002
2003         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
2004
2005         if (node != NULL)
2006                 g_node_traverse(node, G_POST_ORDER,
2007                                 G_TRAVERSE_ALL, -1, remove_element, element);
2008 }
2009
2010 static gboolean update_element(GNode *node, gpointer user_data)
2011 {
2012         struct connman_element *element = node->data;
2013         struct connman_element *root = user_data;
2014
2015         DBG("element %p name %s", element, element->name);
2016
2017         if (element->driver && element->driver->update)
2018                 element->driver->update(element);
2019
2020         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION &&
2021                                 root->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
2022                 if (element->strength != root->strength) {
2023                         element->strength = root->strength;
2024                         emit_property_changed(connection, element, "Strength",
2025                                         DBUS_TYPE_BYTE, &element->strength);
2026                 }
2027         }
2028
2029         return FALSE;
2030 }
2031
2032 void connman_element_update(struct connman_element *element)
2033 {
2034         GNode *node;
2035
2036         DBG("element %p name %s", element, element->name);
2037
2038         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
2039
2040         if (node != NULL)
2041                 g_node_traverse(node, G_PRE_ORDER,
2042                                 G_TRAVERSE_ALL, -1, update_element, element);
2043 }
2044
2045 int connman_element_set_enabled(struct connman_element *element,
2046                                                         gboolean enabled)
2047 {
2048         if (element->enabled == enabled)
2049                 return 0;
2050
2051         element->enabled = enabled;
2052
2053         emit_enabled_signal(connection, element);
2054
2055         return 0;
2056 }
2057
2058 int __connman_element_init(DBusConnection *conn, const char *device)
2059 {
2060         struct connman_element *element;
2061
2062         DBG("conn %p", conn);
2063
2064         connection = dbus_connection_ref(conn);
2065         if (connection == NULL)
2066                 return -EIO;
2067
2068         device_filter = g_strdup(device);
2069
2070         element = connman_element_create("root");
2071
2072         element->path = g_strdup("/");
2073         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
2074
2075         create_default_properties(element);
2076
2077         element_root = g_node_new(element);
2078
2079         __connman_device_init();
2080
2081         return 0;
2082 }
2083
2084 static gboolean free_driver(GNode *node, gpointer data)
2085 {
2086         struct connman_element *element = node->data;
2087
2088         DBG("element %p name %s", element, element->name);
2089
2090         if (element->driver) {
2091                 disable_element(element);
2092
2093                 if (element->driver->remove)
2094                         element->driver->remove(element);
2095
2096                 __connman_element_lock(element);
2097                 element->driver = NULL;
2098                 __connman_element_unlock(element);
2099         }
2100
2101         return FALSE;
2102 }
2103
2104 static gboolean free_node(GNode *node, gpointer data)
2105 {
2106         struct connman_element *element = node->data;
2107
2108         DBG("element %p name %s", element, element->name);
2109
2110         if (g_node_depth(node) > 1)
2111                 connman_element_unregister(element);
2112
2113         return FALSE;
2114 }
2115
2116 void __connman_element_cleanup(void)
2117 {
2118         DBG("");
2119
2120         __connman_device_cleanup();
2121
2122         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
2123                                                         free_driver, NULL);
2124
2125         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
2126                                                         free_node, NULL);
2127
2128         g_node_destroy(element_root);
2129         element_root = NULL;
2130
2131         g_free(device_filter);
2132
2133         dbus_connection_unref(connection);
2134 }