wpa_supplicant/dbus/dbus_new_handlers.c

   1 /*
   2  * WPA Supplicant / dbus-based control interface
   3  * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
   4  * Copyright (c) 2009-2010, Witold Sowa <witold.sowa@gmail.com>
   5  * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
   6  *
   7  * This software may be distributed under the terms of the BSD license.
   8  * See README for more details.
   9  */
  10
  11 #include "includes.h"
  12
  13 #include "common.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "eap_peer/eap_methods.h"
  16 #include "eapol_supp/eapol_supp_sm.h"
  17 #include "rsn_supp/wpa.h"
  18 #include "../config.h"
  19 #include "../wpa_supplicant_i.h"
  20 #include "../driver_i.h"
  21 #include "../notify.h"
  22 #include "../bss.h"
  23 #include "../scan.h"
  24 #include "../ctrl_iface.h"
  25 #include "../autoscan.h"
  26 #include "dbus_new_helpers.h"
  27 #include "dbus_new.h"
  28 #include "dbus_new_handlers.h"
  29 #include "dbus_dict_helpers.h"
  30 #include "dbus_common_i.h"
  31
  32 extern int wpa_debug_level;
  33 extern int wpa_debug_show_keys;
  34 extern int wpa_debug_timestamp;
  35
  36 static const char *debug_strings[] = {
  37         "excessive", "msgdump", "debug", "info", "warning", "error", NULL
  38 };
  39
  40
  41 /**
  42  * wpas_dbus_error_unknown_error - Return a new InvalidArgs error message
  43  * @message: Pointer to incoming dbus message this error refers to
  44  * @arg: Optional string appended to error message
  45  * Returns: a dbus error message
  46  *
  47  * Convenience function to create and return an UnknownError
  48  */
  49 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
  50                                             const char *arg)
  51 {
  52         /*
  53          * This function can be called as a result of a failure
  54          * within internal getter calls, which will call this function
  55          * with a NULL message parameter.  However, dbus_message_new_error
  56          * looks very unkindly (i.e, abort()) on a NULL message, so
  57          * in this case, we should not call it.
  58          */
  59         if (message == NULL) {
  60                 wpa_printf(MSG_INFO, "dbus: wpas_dbus_error_unknown_error "
  61                            "called with NULL message (arg=%s)",
  62                            arg ? arg : "N/A");
  63                 return NULL;
  64         }
  65
  66         return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
  67                                       arg);
  68 }
  69
  70
  71 /**
  72  * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
  73  * @message: Pointer to incoming dbus message this error refers to
  74  * Returns: A dbus error message
  75  *
  76  * Convenience function to create and return an invalid interface error
  77  */
  78 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
  79 {
  80         return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
  81                                       "wpa_supplicant knows nothing about "
  82                                       "this interface.");
  83 }
  84
  85
  86 /**
  87  * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
  88  * @message: Pointer to incoming dbus message this error refers to
  89  * Returns: a dbus error message
  90  *
  91  * Convenience function to create and return an invalid network error
  92  */
  93 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
  94 {
  95         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
  96                                       "There is no such a network in this "
  97                                       "interface.");
  98 }
  99
 100
 101 /**
 102  * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
 103  * @message: Pointer to incoming dbus message this error refers to
 104  * Returns: a dbus error message
 105  *
 106  * Convenience function to create and return an invalid options error
 107  */
 108 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
 109                                           const char *arg)
 110 {
 111         DBusMessage *reply;
 112
 113         reply = dbus_message_new_error(message, WPAS_DBUS_ERROR_INVALID_ARGS,
 114                                        "Did not receive correct message "
 115                                        "arguments.");
 116         if (arg != NULL)
 117                 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
 118                                          DBUS_TYPE_INVALID);
 119
 120         return reply;
 121 }
 122
 123
 124 static const char *dont_quote[] = {
 125         "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
 126         "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
 127         "bssid", "scan_freq", "freq_list", NULL
 128 };
 129
 130 static dbus_bool_t should_quote_opt(const char *key)
 131 {
 132         int i = 0;
 133         while (dont_quote[i] != NULL) {
 134                 if (os_strcmp(key, dont_quote[i]) == 0)
 135                         return FALSE;
 136                 i++;
 137         }
 138         return TRUE;
 139 }
 140
 141 /**
 142  * get_iface_by_dbus_path - Get a new network interface
 143  * @global: Pointer to global data from wpa_supplicant_init()
 144  * @path: Pointer to a dbus object path representing an interface
 145  * Returns: Pointer to the interface or %NULL if not found
 146  */
 147 static struct wpa_supplicant * get_iface_by_dbus_path(
 148         struct wpa_global *global, const char *path)
 149 {
 150         struct wpa_supplicant *wpa_s;
 151
 152         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 153                 if (os_strcmp(wpa_s->dbus_new_path, path) == 0)
 154                         return wpa_s;
 155         }
 156         return NULL;
 157 }
 158
 159
 160 /**
 161  * set_network_properties - Set properties of a configured network
 162  * @wpa_s: wpa_supplicant structure for a network interface
 163  * @ssid: wpa_ssid structure for a configured network
 164  * @iter: DBus message iterator containing dictionary of network
 165  * properties to set.
 166  * @error: On failure, an error describing the failure
 167  * Returns: TRUE if the request succeeds, FALSE if it failed
 168  *
 169  * Sets network configuration with parameters given id DBus dictionary
 170  */
 171 dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
 172                                    struct wpa_ssid *ssid,
 173                                    DBusMessageIter *iter,
 174                                    DBusError *error)
 175 {
 176         struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
 177         DBusMessageIter iter_dict;
 178         char *value = NULL;
 179
 180         if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
 181                 return FALSE;
 182
 183         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 184                 size_t size = 50;
 185                 int ret;
 186
 187                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 188                         goto error;
 189
 190                 value = NULL;
 191                 if (entry.type == DBUS_TYPE_ARRAY &&
 192                     entry.array_type == DBUS_TYPE_BYTE) {
 193                         if (entry.array_len <= 0)
 194                                 goto error;
 195
 196                         size = entry.array_len * 2 + 1;
 197                         value = os_zalloc(size);
 198                         if (value == NULL)
 199                                 goto error;
 200
 201                         ret = wpa_snprintf_hex(value, size,
 202                                                (u8 *) entry.bytearray_value,
 203                                                entry.array_len);
 204                         if (ret <= 0)
 205                                 goto error;
 206                 } else if (entry.type == DBUS_TYPE_STRING) {
 207                         if (should_quote_opt(entry.key)) {
 208                                 size = os_strlen(entry.str_value);
 209                                 if (size <= 0)
 210                                         goto error;
 211
 212                                 size += 3;
 213                                 value = os_zalloc(size);
 214                                 if (value == NULL)
 215                                         goto error;
 216
 217                                 ret = os_snprintf(value, size, "\"%s\"",
 218                                                   entry.str_value);
 219                                 if (ret < 0 || (size_t) ret != (size - 1))
 220                                         goto error;
 221                         } else {
 222                                 value = os_strdup(entry.str_value);
 223                                 if (value == NULL)
 224                                         goto error;
 225                         }
 226                 } else if (entry.type == DBUS_TYPE_UINT32) {
 227                         value = os_zalloc(size);
 228                         if (value == NULL)
 229                                 goto error;
 230
 231                         ret = os_snprintf(value, size, "%u",
 232                                           entry.uint32_value);
 233                         if (ret <= 0)
 234                                 goto error;
 235                 } else if (entry.type == DBUS_TYPE_INT32) {
 236                         value = os_zalloc(size);
 237                         if (value == NULL)
 238                                 goto error;
 239
 240                         ret = os_snprintf(value, size, "%d",
 241                                           entry.int32_value);
 242                         if (ret <= 0)
 243                                 goto error;
 244                 } else
 245                         goto error;
 246
 247                 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
 248                         goto error;
 249
 250                 if ((os_strcmp(entry.key, "psk") == 0 &&
 251                      value[0] == '"' && ssid->ssid_len) ||
 252                     (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
 253                         wpa_config_update_psk(ssid);
 254                 else if (os_strcmp(entry.key, "priority") == 0)
 255                         wpa_config_update_prio_list(wpa_s->conf);
 256
 257                 os_free(value);
 258                 wpa_dbus_dict_entry_clear(&entry);
 259         }
 260
 261         return TRUE;
 262
 263 error:
 264         os_free(value);
 265         wpa_dbus_dict_entry_clear(&entry);
 266         dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
 267                              "invalid message format");
 268         return FALSE;
 269 }
 270
 271
 272 /**
 273  * wpas_dbus_simple_property_getter - Get basic type property
 274  * @iter: Message iter to use when appending arguments
 275  * @type: DBus type of property (must be basic type)
 276  * @val: pointer to place holding property value
 277  * @error: On failure an error describing the failure
 278  * Returns: TRUE if the request was successful, FALSE if it failed
 279  *
 280  * Generic getter for basic type properties. Type is required to be basic.
 281  */
 282 dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
 283                                              const int type,
 284                                              const void *val,
 285                                              DBusError *error)
 286 {
 287         DBusMessageIter variant_iter;
 288
 289         if (!dbus_type_is_basic(type)) {
 290                 dbus_set_error(error, DBUS_ERROR_FAILED,
 291                                "%s: given type is not basic", __func__);
 292                 return FALSE;
 293         }
 294
 295         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 296                                               wpa_dbus_type_as_string(type),
 297                                               &variant_iter))
 298                 goto error;
 299
 300         if (!dbus_message_iter_append_basic(&variant_iter, type, val))
 301                 goto error;
 302
 303         if (!dbus_message_iter_close_container(iter, &variant_iter))
 304                 goto error;
 305
 306         return TRUE;
 307
 308 error:
 309         dbus_set_error(error, DBUS_ERROR_FAILED,
 310                        "%s: error constructing reply", __func__);
 311         return FALSE;
 312 }
 313
 314
 315 /**
 316  * wpas_dbus_simple_property_setter - Set basic type property
 317  * @message: Pointer to incoming dbus message
 318  * @type: DBus type of property (must be basic type)
 319  * @val: pointer to place where value being set will be stored
 320  * Returns: TRUE if the request was successful, FALSE if it failed
 321  *
 322  * Generic setter for basic type properties. Type is required to be basic.
 323  */
 324 dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
 325                                              DBusError *error,
 326                                              const int type, void *val)
 327 {
 328         DBusMessageIter variant_iter;
 329
 330         if (!dbus_type_is_basic(type)) {
 331                 dbus_set_error(error, DBUS_ERROR_FAILED,
 332                                "%s: given type is not basic", __func__);
 333                 return FALSE;
 334         }
 335
 336         /* Look at the new value */
 337         dbus_message_iter_recurse(iter, &variant_iter);
 338         if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
 339                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
 340                                      "wrong property type");
 341                 return FALSE;
 342         }
 343         dbus_message_iter_get_basic(&variant_iter, val);
 344
 345         return TRUE;
 346 }
 347
 348
 349 /**
 350  * wpas_dbus_simple_array_property_getter - Get array type property
 351  * @iter: Pointer to incoming dbus message iterator
 352  * @type: DBus type of property array elements (must be basic type)
 353  * @array: pointer to array of elements to put into response message
 354  * @array_len: length of above array
 355  * @error: a pointer to an error to fill on failure
 356  * Returns: TRUE if the request succeeded, FALSE if it failed
 357  *
 358  * Generic getter for array type properties. Array elements type is
 359  * required to be basic.
 360  */
 361 dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
 362                                                    const int type,
 363                                                    const void *array,
 364                                                    size_t array_len,
 365                                                    DBusError *error)
 366 {
 367         DBusMessageIter variant_iter, array_iter;
 368         char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
 369         const char *sub_type_str;
 370         size_t element_size, i;
 371
 372         if (!dbus_type_is_basic(type)) {
 373                 dbus_set_error(error, DBUS_ERROR_FAILED,
 374                                "%s: given type is not basic", __func__);
 375                 return FALSE;
 376         }
 377
 378         sub_type_str = wpa_dbus_type_as_string(type);
 379         type_str[1] = sub_type_str[0];
 380
 381         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 382                                               type_str, &variant_iter)) {
 383                 dbus_set_error(error, DBUS_ERROR_FAILED,
 384                                "%s: failed to construct message 1", __func__);
 385                 return FALSE;
 386         }
 387
 388         if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
 389                                               sub_type_str, &array_iter)) {
 390                 dbus_set_error(error, DBUS_ERROR_FAILED,
 391                                "%s: failed to construct message 2", __func__);
 392                 return FALSE;
 393         }
 394
 395         switch(type) {
 396         case DBUS_TYPE_BYTE:
 397         case DBUS_TYPE_BOOLEAN:
 398                 element_size = 1;
 399                 break;
 400         case DBUS_TYPE_INT16:
 401         case DBUS_TYPE_UINT16:
 402                 element_size = sizeof(uint16_t);
 403                 break;
 404         case DBUS_TYPE_INT32:
 405         case DBUS_TYPE_UINT32:
 406                 element_size = sizeof(uint32_t);
 407                 break;
 408         case DBUS_TYPE_INT64:
 409         case DBUS_TYPE_UINT64:
 410                 element_size = sizeof(uint64_t);
 411                 break;
 412         case DBUS_TYPE_DOUBLE:
 413                 element_size = sizeof(double);
 414                 break;
 415         case DBUS_TYPE_STRING:
 416         case DBUS_TYPE_OBJECT_PATH:
 417                 element_size = sizeof(char *);
 418                 break;
 419         default:
 420                 dbus_set_error(error, DBUS_ERROR_FAILED,
 421                                "%s: unknown element type %d", __func__, type);
 422                 return FALSE;
 423         }
 424
 425         for (i = 0; i < array_len; i++) {
 426                 dbus_message_iter_append_basic(&array_iter, type,
 427                                                array + i * element_size);
 428         }
 429
 430         if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
 431                 dbus_set_error(error, DBUS_ERROR_FAILED,
 432                                "%s: failed to construct message 3", __func__);
 433                 return FALSE;
 434         }
 435
 436         if (!dbus_message_iter_close_container(iter, &variant_iter)) {
 437                 dbus_set_error(error, DBUS_ERROR_FAILED,
 438                                "%s: failed to construct message 4", __func__);
 439                 return FALSE;
 440         }
 441
 442         return TRUE;
 443 }
 444
 445
 446 /**
 447  * wpas_dbus_simple_array_array_property_getter - Get array array type property
 448  * @iter: Pointer to incoming dbus message iterator
 449  * @type: DBus type of property array elements (must be basic type)
 450  * @array: pointer to array of elements to put into response message
 451  * @array_len: length of above array
 452  * @error: a pointer to an error to fill on failure
 453  * Returns: TRUE if the request succeeded, FALSE if it failed
 454  *
 455  * Generic getter for array type properties. Array elements type is
 456  * required to be basic.
 457  */
 458 dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
 459                                                          const int type,
 460                                                          struct wpabuf **array,
 461                                                          size_t array_len,
 462                                                          DBusError *error)
 463 {
 464         DBusMessageIter variant_iter, array_iter;
 465         char type_str[] = "aa?";
 466         char inner_type_str[] = "a?";
 467         const char *sub_type_str;
 468         size_t i;
 469
 470         if (!dbus_type_is_basic(type)) {
 471                 dbus_set_error(error, DBUS_ERROR_FAILED,
 472                                "%s: given type is not basic", __func__);
 473                 return FALSE;
 474         }
 475
 476         sub_type_str = wpa_dbus_type_as_string(type);
 477         type_str[2] = sub_type_str[0];
 478         inner_type_str[1] = sub_type_str[0];
 479
 480         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 481                                               type_str, &variant_iter)) {
 482                 dbus_set_error(error, DBUS_ERROR_FAILED,
 483                                "%s: failed to construct message 1", __func__);
 484                 return FALSE;
 485         }
 486         if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
 487                                               inner_type_str, &array_iter)) {
 488                 dbus_set_error(error, DBUS_ERROR_FAILED,
 489                                "%s: failed to construct message 2", __func__);
 490                 return FALSE;
 491         }
 492
 493         for (i = 0; i < array_len; i++) {
 494                 wpa_dbus_dict_bin_array_add_element(&array_iter,
 495                                                     wpabuf_head(array[i]),
 496                                                     wpabuf_len(array[i]));
 497
 498         }
 499
 500         if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
 501                 dbus_set_error(error, DBUS_ERROR_FAILED,
 502                                "%s: failed to close message 2", __func__);
 503                 return FALSE;
 504         }
 505
 506         if (!dbus_message_iter_close_container(iter, &variant_iter)) {
 507                 dbus_set_error(error, DBUS_ERROR_FAILED,
 508                                "%s: failed to close message 1", __func__);
 509                 return FALSE;
 510         }
 511
 512         return TRUE;
 513 }
 514
 515
 516 /**
 517  * wpas_dbus_handler_create_interface - Request registration of a network iface
 518  * @message: Pointer to incoming dbus message
 519  * @global: %wpa_supplicant global data structure
 520  * Returns: The object path of the new interface object,
 521  *          or a dbus error message with more information
 522  *
 523  * Handler function for "CreateInterface" method call. Handles requests
 524  * by dbus clients to register a network interface that wpa_supplicant
 525  * will manage.
 526  */
 527 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
 528                                                  struct wpa_global *global)
 529 {
 530         DBusMessageIter iter_dict;
 531         DBusMessage *reply = NULL;
 532         DBusMessageIter iter;
 533         struct wpa_dbus_dict_entry entry;
 534         char *driver = NULL;
 535         char *ifname = NULL;
 536         char *confname = NULL;
 537         char *bridge_ifname = NULL;
 538
 539         dbus_message_iter_init(message, &iter);
 540
 541         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 542                 goto error;
 543         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 544                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 545                         goto error;
 546                 if (!os_strcmp(entry.key, "Driver") &&
 547                     (entry.type == DBUS_TYPE_STRING)) {
 548                         driver = os_strdup(entry.str_value);
 549                         wpa_dbus_dict_entry_clear(&entry);
 550                         if (driver == NULL)
 551                                 goto error;
 552                 } else if (!os_strcmp(entry.key, "Ifname") &&
 553                            (entry.type == DBUS_TYPE_STRING)) {
 554                         ifname = os_strdup(entry.str_value);
 555                         wpa_dbus_dict_entry_clear(&entry);
 556                         if (ifname == NULL)
 557                                 goto error;
 558                 } else if (!os_strcmp(entry.key, "ConfigFile") &&
 559                            (entry.type == DBUS_TYPE_STRING)) {
 560                         confname = os_strdup(entry.str_value);
 561                         wpa_dbus_dict_entry_clear(&entry);
 562                         if (confname == NULL)
 563                                 goto error;
 564                 } else if (!os_strcmp(entry.key, "BridgeIfname") &&
 565                            (entry.type == DBUS_TYPE_STRING)) {
 566                         bridge_ifname = os_strdup(entry.str_value);
 567                         wpa_dbus_dict_entry_clear(&entry);
 568                         if (bridge_ifname == NULL)
 569                                 goto error;
 570                 } else {
 571                         wpa_dbus_dict_entry_clear(&entry);
 572                         goto error;
 573                 }
 574         }
 575
 576         if (ifname == NULL)
 577                 goto error; /* Required Ifname argument missing */
 578
 579         /*
 580          * Try to get the wpa_supplicant record for this iface, return
 581          * an error if we already control it.
 582          */
 583         if (wpa_supplicant_get_iface(global, ifname) != NULL) {
 584                 reply = dbus_message_new_error(message,
 585                                                WPAS_DBUS_ERROR_IFACE_EXISTS,
 586                                                "wpa_supplicant already "
 587                                                "controls this interface.");
 588         } else {
 589                 struct wpa_supplicant *wpa_s;
 590                 struct wpa_interface iface;
 591                 os_memset(&iface, 0, sizeof(iface));
 592                 iface.driver = driver;
 593                 iface.ifname = ifname;
 594                 iface.confname = confname;
 595                 iface.bridge_ifname = bridge_ifname;
 596                 /* Otherwise, have wpa_supplicant attach to it. */
 597                 if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
 598                         const char *path = wpa_s->dbus_new_path;
 599                         reply = dbus_message_new_method_return(message);
 600                         dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
 601                                                  &path, DBUS_TYPE_INVALID);
 602                 } else {
 603                         reply = wpas_dbus_error_unknown_error(
 604                                 message, "wpa_supplicant couldn't grab this "
 605                                 "interface.");
 606                 }
 607         }
 608
 609 out:
 610         os_free(driver);
 611         os_free(ifname);
 612         os_free(confname);
 613         os_free(bridge_ifname);
 614         return reply;
 615
 616 error:
 617         reply = wpas_dbus_error_invalid_args(message, NULL);
 618         goto out;
 619 }
 620
 621
 622 /**
 623  * wpas_dbus_handler_remove_interface - Request deregistration of an interface
 624  * @message: Pointer to incoming dbus message
 625  * @global: wpa_supplicant global data structure
 626  * Returns: a dbus message containing a UINT32 indicating success (1) or
 627  *          failure (0), or returns a dbus error message with more information
 628  *
 629  * Handler function for "removeInterface" method call.  Handles requests
 630  * by dbus clients to deregister a network interface that wpa_supplicant
 631  * currently manages.
 632  */
 633 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
 634                                                  struct wpa_global *global)
 635 {
 636         struct wpa_supplicant *wpa_s;
 637         char *path;
 638         DBusMessage *reply = NULL;
 639
 640         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 641                               DBUS_TYPE_INVALID);
 642
 643         wpa_s = get_iface_by_dbus_path(global, path);
 644         if (wpa_s == NULL)
 645                 reply = wpas_dbus_error_iface_unknown(message);
 646         else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
 647                 reply = wpas_dbus_error_unknown_error(
 648                         message, "wpa_supplicant couldn't remove this "
 649                         "interface.");
 650         }
 651
 652         return reply;
 653 }
 654
 655
 656 /**
 657  * wpas_dbus_handler_get_interface - Get the object path for an interface name
 658  * @message: Pointer to incoming dbus message
 659  * @global: %wpa_supplicant global data structure
 660  * Returns: The object path of the interface object,
 661  *          or a dbus error message with more information
 662  *
 663  * Handler function for "getInterface" method call.
 664  */
 665 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
 666                                               struct wpa_global *global)
 667 {
 668         DBusMessage *reply = NULL;
 669         const char *ifname;
 670         const char *path;
 671         struct wpa_supplicant *wpa_s;
 672
 673         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
 674                               DBUS_TYPE_INVALID);
 675
 676         wpa_s = wpa_supplicant_get_iface(global, ifname);
 677         if (wpa_s == NULL)
 678                 return wpas_dbus_error_iface_unknown(message);
 679
 680         path = wpa_s->dbus_new_path;
 681         reply = dbus_message_new_method_return(message);
 682         if (reply == NULL)
 683                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
 684                                               NULL);
 685         if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
 686                                       DBUS_TYPE_INVALID)) {
 687                 dbus_message_unref(reply);
 688                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
 689                                               NULL);
 690         }
 691
 692         return reply;
 693 }
 694
 695
 696 /**
 697  * wpas_dbus_getter_debug_level - Get debug level
 698  * @iter: Pointer to incoming dbus message iter
 699  * @error: Location to store error on failure
 700  * @user_data: Function specific data
 701  * Returns: TRUE on success, FALSE on failure
 702  *
 703  * Getter for "DebugLevel" property.
 704  */
 705 dbus_bool_t wpas_dbus_getter_debug_level(DBusMessageIter *iter,
 706                                          DBusError *error,
 707                                          void *user_data)
 708 {
 709         const char *str;
 710         int idx = wpa_debug_level;
 711
 712         if (idx < 0)
 713                 idx = 0;
 714         if (idx > 5)
 715                 idx = 5;
 716         str = debug_strings[idx];
 717         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
 718                                                 &str, error);
 719 }
 720
 721
 722 /**
 723  * wpas_dbus_getter_debug_timestamp - Get debug timestamp
 724  * @iter: Pointer to incoming dbus message iter
 725  * @error: Location to store error on failure
 726  * @user_data: Function specific data
 727  * Returns: TRUE on success, FALSE on failure
 728  *
 729  * Getter for "DebugTimestamp" property.
 730  */
 731 dbus_bool_t wpas_dbus_getter_debug_timestamp(DBusMessageIter *iter,
 732                                              DBusError *error,
 733                                              void *user_data)
 734 {
 735         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
 736                                                 &wpa_debug_timestamp, error);
 737
 738 }
 739
 740
 741 /**
 742  * wpas_dbus_getter_debug_show_keys - Get debug show keys
 743  * @iter: Pointer to incoming dbus message iter
 744  * @error: Location to store error on failure
 745  * @user_data: Function specific data
 746  * Returns: TRUE on success, FALSE on failure
 747  *
 748  * Getter for "DebugShowKeys" property.
 749  */
 750 dbus_bool_t wpas_dbus_getter_debug_show_keys(DBusMessageIter *iter,
 751                                              DBusError *error,
 752                                              void *user_data)
 753 {
 754         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
 755                                                 &wpa_debug_show_keys, error);
 756
 757 }
 758
 759 /**
 760  * wpas_dbus_setter_debug_level - Set debug level
 761  * @iter: Pointer to incoming dbus message iter
 762  * @error: Location to store error on failure
 763  * @user_data: Function specific data
 764  * Returns: TRUE on success, FALSE on failure
 765  *
 766  * Setter for "DebugLevel" property.
 767  */
 768 dbus_bool_t wpas_dbus_setter_debug_level(DBusMessageIter *iter,
 769                                          DBusError *error, void *user_data)
 770 {
 771         struct wpa_global *global = user_data;
 772         const char *str = NULL;
 773         int i, val = -1;
 774
 775         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
 776                                               &str))
 777                 return FALSE;
 778
 779         for (i = 0; debug_strings[i]; i++)
 780                 if (os_strcmp(debug_strings[i], str) == 0) {
 781                         val = i;
 782                         break;
 783                 }
 784
 785         if (val < 0 ||
 786             wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
 787                                             wpa_debug_show_keys)) {
 788                 dbus_set_error_const(error, DBUS_ERROR_FAILED, "wrong debug "
 789                                      "level value");
 790                 return FALSE;
 791         }
 792
 793         return TRUE;
 794 }
 795
 796
 797 /**
 798  * wpas_dbus_setter_debug_timestamp - Set debug timestamp
 799  * @iter: Pointer to incoming dbus message iter
 800  * @error: Location to store error on failure
 801  * @user_data: Function specific data
 802  * Returns: TRUE on success, FALSE on failure
 803  *
 804  * Setter for "DebugTimestamp" property.
 805  */
 806 dbus_bool_t wpas_dbus_setter_debug_timestamp(DBusMessageIter *iter,
 807                                              DBusError *error,
 808                                              void *user_data)
 809 {
 810         struct wpa_global *global = user_data;
 811         dbus_bool_t val;
 812
 813         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
 814                                               &val))
 815                 return FALSE;
 816
 817         wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
 818                                         wpa_debug_show_keys);
 819         return TRUE;
 820 }
 821
 822
 823 /**
 824  * wpas_dbus_setter_debug_show_keys - Set debug show keys
 825  * @iter: Pointer to incoming dbus message iter
 826  * @error: Location to store error on failure
 827  * @user_data: Function specific data
 828  * Returns: TRUE on success, FALSE on failure
 829  *
 830  * Setter for "DebugShowKeys" property.
 831  */
 832 dbus_bool_t wpas_dbus_setter_debug_show_keys(DBusMessageIter *iter,
 833                                              DBusError *error,
 834                                              void *user_data)
 835 {
 836         struct wpa_global *global = user_data;
 837         dbus_bool_t val;
 838
 839         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
 840                                               &val))
 841                 return FALSE;
 842
 843         wpa_supplicant_set_debug_params(global, wpa_debug_level,
 844                                         wpa_debug_timestamp,
 845                                         val ? 1 : 0);
 846         return TRUE;
 847 }
 848
 849
 850 /**
 851  * wpas_dbus_getter_interfaces - Request registered interfaces list
 852  * @iter: Pointer to incoming dbus message iter
 853  * @error: Location to store error on failure
 854  * @user_data: Function specific data
 855  * Returns: TRUE on success, FALSE on failure
 856  *
 857  * Getter for "Interfaces" property. Handles requests
 858  * by dbus clients to return list of registered interfaces objects
 859  * paths
 860  */
 861 dbus_bool_t wpas_dbus_getter_interfaces(DBusMessageIter *iter,
 862                                         DBusError *error,
 863                                         void *user_data)
 864 {
 865         struct wpa_global *global = user_data;
 866         struct wpa_supplicant *wpa_s;
 867         const char **paths;
 868         unsigned int i = 0, num = 0;
 869         dbus_bool_t success;
 870
 871         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 872                 num++;
 873
 874         paths = os_calloc(num, sizeof(char *));
 875         if (!paths) {
 876                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 877                 return FALSE;
 878         }
 879
 880         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 881                 paths[i++] = wpa_s->dbus_new_path;
 882
 883         success = wpas_dbus_simple_array_property_getter(iter,
 884                                                          DBUS_TYPE_OBJECT_PATH,
 885                                                          paths, num, error);
 886
 887         os_free(paths);
 888         return success;
 889 }
 890
 891
 892 /**
 893  * wpas_dbus_getter_eap_methods - Request supported EAP methods list
 894  * @iter: Pointer to incoming dbus message iter
 895  * @error: Location to store error on failure
 896  * @user_data: Function specific data
 897  * Returns: TRUE on success, FALSE on failure
 898  *
 899  * Getter for "EapMethods" property. Handles requests
 900  * by dbus clients to return list of strings with supported EAP methods
 901  */
 902 dbus_bool_t wpas_dbus_getter_eap_methods(DBusMessageIter *iter,
 903                                          DBusError *error, void *user_data)
 904 {
 905         char **eap_methods;
 906         size_t num_items = 0;
 907         dbus_bool_t success;
 908
 909         eap_methods = eap_get_names_as_string_array(&num_items);
 910         if (!eap_methods) {
 911                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 912                 return FALSE;
 913         }
 914
 915         success = wpas_dbus_simple_array_property_getter(iter,
 916                                                          DBUS_TYPE_STRING,
 917                                                          eap_methods,
 918                                                          num_items, error);
 919
 920         while (num_items)
 921                 os_free(eap_methods[--num_items]);
 922         os_free(eap_methods);
 923         return success;
 924 }
 925
 926
 927 /**
 928  * wpas_dbus_getter_global_capabilities - Request supported global capabilities
 929  * @iter: Pointer to incoming dbus message iter
 930  * @error: Location to store error on failure
 931  * @user_data: Function specific data
 932  * Returns: TRUE on success, FALSE on failure
 933  *
 934  * Getter for "Capabilities" property. Handles requests by dbus clients to
 935  * return a list of strings with supported capabilities like AP, RSN IBSS,
 936  * and P2P that are determined at compile time.
 937  */
 938 dbus_bool_t wpas_dbus_getter_global_capabilities(DBusMessageIter *iter,
 939                                                  DBusError *error,
 940                                                  void *user_data)
 941 {
 942         const char *capabilities[5] = { NULL, NULL, NULL, NULL, NULL };
 943         size_t num_items = 0;
 944
 945 #ifdef CONFIG_AP
 946         capabilities[num_items++] = "ap";
 947 #endif /* CONFIG_AP */
 948 #ifdef CONFIG_IBSS_RSN
 949         capabilities[num_items++] = "ibss-rsn";
 950 #endif /* CONFIG_IBSS_RSN */
 951 #ifdef CONFIG_P2P
 952         capabilities[num_items++] = "p2p";
 953 #endif /* CONFIG_P2P */
 954 #ifdef CONFIG_INTERWORKING
 955         capabilities[num_items++] = "interworking";
 956 #endif /* CONFIG_INTERWORKING */
 957
 958         return wpas_dbus_simple_array_property_getter(iter,
 959                                                       DBUS_TYPE_STRING,
 960                                                       capabilities,
 961                                                       num_items, error);
 962 }
 963
 964
 965 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
 966                                    char **type, DBusMessage **reply)
 967 {
 968         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
 969                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
 970                            "Type must be a string");
 971                 *reply = wpas_dbus_error_invalid_args(
 972                         message, "Wrong Type value type. String required");
 973                 return -1;
 974         }
 975         dbus_message_iter_get_basic(var, type);
 976         return 0;
 977 }
 978
 979
 980 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
 981                                     struct wpa_driver_scan_params *params,
 982                                     DBusMessage **reply)
 983 {
 984         struct wpa_driver_scan_ssid *ssids = params->ssids;
 985         size_t ssids_num = 0;
 986         u8 *ssid;
 987         DBusMessageIter array_iter, sub_array_iter;
 988         char *val;
 989         int len;
 990
 991         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
 992                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
 993                            "must be an array of arrays of bytes");
 994                 *reply = wpas_dbus_error_invalid_args(
 995                         message, "Wrong SSIDs value type. Array of arrays of "
 996                         "bytes required");
 997                 return -1;
 998         }
 999
1000         dbus_message_iter_recurse(var, &array_iter);
1001
1002         if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1003             dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1004         {
1005                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
1006                            "must be an array of arrays of bytes");
1007                 *reply = wpas_dbus_error_invalid_args(
1008                         message, "Wrong SSIDs value type. Array of arrays of "
1009                         "bytes required");
1010                 return -1;
1011         }
1012
1013         while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1014         {
1015                 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
1016                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1017                                    "Too many ssids specified on scan dbus "
1018                                    "call");
1019                         *reply = wpas_dbus_error_invalid_args(
1020                                 message, "Too many ssids specified. Specify "
1021                                 "at most four");
1022                         return -1;
1023                 }
1024
1025                 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1026
1027                 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1028
1029                 if (len > MAX_SSID_LEN) {
1030                         wpa_printf(MSG_DEBUG,
1031                                    "wpas_dbus_handler_scan[dbus]: "
1032                                    "SSID too long (len=%d max_len=%d)",
1033                                    len, MAX_SSID_LEN);
1034                         *reply = wpas_dbus_error_invalid_args(
1035                                 message, "Invalid SSID: too long");
1036                         return -1;
1037                 }
1038
1039                 if (len != 0) {
1040                         ssid = os_malloc(len);
1041                         if (ssid == NULL) {
1042                                 wpa_printf(MSG_DEBUG,
1043                                            "wpas_dbus_handler_scan[dbus]: "
1044                                            "out of memory. Cannot allocate "
1045                                            "memory for SSID");
1046                                 *reply = dbus_message_new_error(
1047                                         message, DBUS_ERROR_NO_MEMORY, NULL);
1048                                 return -1;
1049                         }
1050                         os_memcpy(ssid, val, len);
1051                 } else {
1052                         /* Allow zero-length SSIDs */
1053                         ssid = NULL;
1054                 }
1055
1056                 ssids[ssids_num].ssid = ssid;
1057                 ssids[ssids_num].ssid_len = len;
1058
1059                 dbus_message_iter_next(&array_iter);
1060                 ssids_num++;
1061         }
1062
1063         params->num_ssids = ssids_num;
1064         return 0;
1065 }
1066
1067
1068 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
1069                                   struct wpa_driver_scan_params *params,
1070                                   DBusMessage **reply)
1071 {
1072         u8 *ies = NULL, *nies;
1073         int ies_len = 0;
1074         DBusMessageIter array_iter, sub_array_iter;
1075         char *val;
1076         int len;
1077
1078         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1079                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1080                            "be an array of arrays of bytes");
1081                 *reply = wpas_dbus_error_invalid_args(
1082                         message, "Wrong IEs value type. Array of arrays of "
1083                         "bytes required");
1084                 return -1;
1085         }
1086
1087         dbus_message_iter_recurse(var, &array_iter);
1088
1089         if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1090             dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1091         {
1092                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1093                            "be an array of arrays of bytes");
1094                 *reply = wpas_dbus_error_invalid_args(
1095                         message, "Wrong IEs value type. Array required");
1096                 return -1;
1097         }
1098
1099         while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1100         {
1101                 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1102
1103                 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1104                 if (len == 0) {
1105                         dbus_message_iter_next(&array_iter);
1106                         continue;
1107                 }
1108
1109                 nies = os_realloc(ies, ies_len + len);
1110                 if (nies == NULL) {
1111                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1112                                    "out of memory. Cannot allocate memory for "
1113                                    "IE");
1114                         os_free(ies);
1115                         *reply = dbus_message_new_error(
1116                                 message, DBUS_ERROR_NO_MEMORY, NULL);
1117                         return -1;
1118                 }
1119                 ies = nies;
1120                 os_memcpy(ies + ies_len, val, len);
1121                 ies_len += len;
1122
1123                 dbus_message_iter_next(&array_iter);
1124         }
1125
1126         params->extra_ies = ies;
1127         params->extra_ies_len = ies_len;
1128         return 0;
1129 }
1130
1131
1132 static int wpas_dbus_get_scan_channels(DBusMessage *message,
1133                                        DBusMessageIter *var,
1134                                        struct wpa_driver_scan_params *params,
1135                                        DBusMessage **reply)
1136 {
1137         DBusMessageIter array_iter, sub_array_iter;
1138         int *freqs = NULL, *nfreqs;
1139         int freqs_num = 0;
1140
1141         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1142                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1143                            "Channels must be an array of structs");
1144                 *reply = wpas_dbus_error_invalid_args(
1145                         message, "Wrong Channels value type. Array of structs "
1146                         "required");
1147                 return -1;
1148         }
1149
1150         dbus_message_iter_recurse(var, &array_iter);
1151
1152         if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
1153                 wpa_printf(MSG_DEBUG,
1154                            "wpas_dbus_handler_scan[dbus]: Channels must be an "
1155                            "array of structs");
1156                 *reply = wpas_dbus_error_invalid_args(
1157                         message, "Wrong Channels value type. Array of structs "
1158                         "required");
1159                 return -1;
1160         }
1161
1162         while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
1163         {
1164                 int freq, width;
1165
1166                 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1167
1168                 if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
1169                     DBUS_TYPE_UINT32) {
1170                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1171                                    "Channel must by specified by struct of "
1172                                    "two UINT32s %c",
1173                                    dbus_message_iter_get_arg_type(
1174                                            &sub_array_iter));
1175                         *reply = wpas_dbus_error_invalid_args(
1176                                 message, "Wrong Channel struct. Two UINT32s "
1177                                 "required");
1178                         os_free(freqs);
1179                         return -1;
1180                 }
1181                 dbus_message_iter_get_basic(&sub_array_iter, &freq);
1182
1183                 if (!dbus_message_iter_next(&sub_array_iter) ||
1184                     dbus_message_iter_get_arg_type(&sub_array_iter) !=
1185                     DBUS_TYPE_UINT32) {
1186                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1187                                    "Channel must by specified by struct of "
1188                                    "two UINT32s");
1189                         *reply = wpas_dbus_error_invalid_args(
1190                                 message,
1191                                 "Wrong Channel struct. Two UINT32s required");
1192                         os_free(freqs);
1193                         return -1;
1194                 }
1195
1196                 dbus_message_iter_get_basic(&sub_array_iter, &width);
1197
1198 #define FREQS_ALLOC_CHUNK 32
1199                 if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
1200                         nfreqs = os_realloc_array(
1201                                 freqs, freqs_num + FREQS_ALLOC_CHUNK,
1202                                 sizeof(int));
1203                         if (nfreqs == NULL)
1204                                 os_free(freqs);
1205                         freqs = nfreqs;
1206                 }
1207                 if (freqs == NULL) {
1208                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1209                                    "out of memory. can't allocate memory for "
1210                                    "freqs");
1211                         *reply = dbus_message_new_error(
1212                                 message, DBUS_ERROR_NO_MEMORY, NULL);
1213                         return -1;
1214                 }
1215
1216                 freqs[freqs_num] = freq;
1217
1218                 freqs_num++;
1219                 dbus_message_iter_next(&array_iter);
1220         }
1221
1222         nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
1223         if (nfreqs == NULL)
1224                 os_free(freqs);
1225         freqs = nfreqs;
1226         if (freqs == NULL) {
1227                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1228                            "out of memory. Can't allocate memory for freqs");
1229                 *reply = dbus_message_new_error(
1230                         message, DBUS_ERROR_NO_MEMORY, NULL);
1231                 return -1;
1232         }
1233         freqs[freqs_num] = 0;
1234
1235         params->freqs = freqs;
1236         return 0;
1237 }
1238
1239
1240 /**
1241  * wpas_dbus_handler_scan - Request a wireless scan on an interface
1242  * @message: Pointer to incoming dbus message
1243  * @wpa_s: wpa_supplicant structure for a network interface
1244  * Returns: NULL indicating success or DBus error message on failure
1245  *
1246  * Handler function for "Scan" method call of a network device. Requests
1247  * that wpa_supplicant perform a wireless scan as soon as possible
1248  * on a particular wireless interface.
1249  */
1250 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
1251                                      struct wpa_supplicant *wpa_s)
1252 {
1253         DBusMessage *reply = NULL;
1254         DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
1255         char *key = NULL, *type = NULL;
1256         struct wpa_driver_scan_params params;
1257         size_t i;
1258
1259         os_memset(&params, 0, sizeof(params));
1260
1261         dbus_message_iter_init(message, &iter);
1262
1263         dbus_message_iter_recurse(&iter, &dict_iter);
1264
1265         while (dbus_message_iter_get_arg_type(&dict_iter) ==
1266                         DBUS_TYPE_DICT_ENTRY) {
1267                 dbus_message_iter_recurse(&dict_iter, &entry_iter);
1268                 dbus_message_iter_get_basic(&entry_iter, &key);
1269                 dbus_message_iter_next(&entry_iter);
1270                 dbus_message_iter_recurse(&entry_iter, &variant_iter);
1271
1272                 if (os_strcmp(key, "Type") == 0) {
1273                         if (wpas_dbus_get_scan_type(message, &variant_iter,
1274                                                     &type, &reply) < 0)
1275                                 goto out;
1276                 } else if (os_strcmp(key, "SSIDs") == 0) {
1277                         if (wpas_dbus_get_scan_ssids(message, &variant_iter,
1278                                                      &params, &reply) < 0)
1279                                 goto out;
1280                 } else if (os_strcmp(key, "IEs") == 0) {
1281                         if (wpas_dbus_get_scan_ies(message, &variant_iter,
1282                                                    &params, &reply) < 0)
1283                                 goto out;
1284                 } else if (os_strcmp(key, "Channels") == 0) {
1285                         if (wpas_dbus_get_scan_channels(message, &variant_iter,
1286                                                         &params, &reply) < 0)
1287                                 goto out;
1288                 } else {
1289                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1290                                    "Unknown argument %s", key);
1291                         reply = wpas_dbus_error_invalid_args(message, key);
1292                         goto out;
1293                 }
1294
1295                 dbus_message_iter_next(&dict_iter);
1296         }
1297
1298         if (!type) {
1299                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1300                            "Scan type not specified");
1301                 reply = wpas_dbus_error_invalid_args(message, key);
1302                 goto out;
1303         }
1304
1305         if (!os_strcmp(type, "passive")) {
1306                 if (params.num_ssids || params.extra_ies_len) {
1307                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1308                                    "SSIDs or IEs specified for passive scan.");
1309                         reply = wpas_dbus_error_invalid_args(
1310                                 message, "You can specify only Channels in "
1311                                 "passive scan");
1312                         goto out;
1313                 } else if (params.freqs && params.freqs[0]) {
1314                         wpa_supplicant_trigger_scan(wpa_s, &params);
1315                 } else {
1316                         wpa_s->scan_req = 2;
1317                         wpa_supplicant_req_scan(wpa_s, 0, 0);
1318                 }
1319         } else if (!os_strcmp(type, "active")) {
1320                 if (!params.num_ssids) {
1321                         /* Add wildcard ssid */
1322                         params.num_ssids++;
1323                 }
1324 #ifdef CONFIG_AUTOSCAN
1325                 autoscan_deinit(wpa_s);
1326 #endif /* CONFIG_AUTOSCAN */
1327                 wpa_supplicant_trigger_scan(wpa_s, &params);
1328         } else {
1329                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1330                            "Unknown scan type: %s", type);
1331                 reply = wpas_dbus_error_invalid_args(message,
1332                                                      "Wrong scan type");
1333                 goto out;
1334         }
1335
1336 out:
1337         for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
1338                 os_free((u8 *) params.ssids[i].ssid);
1339         os_free((u8 *) params.extra_ies);
1340         os_free(params.freqs);
1341         return reply;
1342 }
1343
1344
1345 /*
1346  * wpas_dbus_handler_disconnect - Terminate the current connection
1347  * @message: Pointer to incoming dbus message
1348  * @wpa_s: wpa_supplicant structure for a network interface
1349  * Returns: NotConnected DBus error message if already not connected
1350  * or NULL otherwise.
1351  *
1352  * Handler function for "Disconnect" method call of network interface.
1353  */
1354 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
1355                                            struct wpa_supplicant *wpa_s)
1356 {
1357         if (wpa_s->current_ssid != NULL) {
1358                 wpa_s->disconnected = 1;
1359                 wpa_supplicant_deauthenticate(wpa_s,
1360                                               WLAN_REASON_DEAUTH_LEAVING);
1361
1362                 return NULL;
1363         }
1364
1365         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1366                                       "This interface is not connected");
1367 }
1368
1369
1370 /**
1371  * wpas_dbus_new_iface_add_network - Add a new configured network
1372  * @message: Pointer to incoming dbus message
1373  * @wpa_s: wpa_supplicant structure for a network interface
1374  * Returns: A dbus message containing the object path of the new network
1375  *
1376  * Handler function for "AddNetwork" method call of a network interface.
1377  */
1378 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
1379                                             struct wpa_supplicant *wpa_s)
1380 {
1381         DBusMessage *reply = NULL;
1382         DBusMessageIter iter;
1383         struct wpa_ssid *ssid = NULL;
1384         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
1385         DBusError error;
1386
1387         dbus_message_iter_init(message, &iter);
1388
1389         ssid = wpa_config_add_network(wpa_s->conf);
1390         if (ssid == NULL) {
1391                 wpa_printf(MSG_ERROR, "wpas_dbus_handler_add_network[dbus]: "
1392                            "can't add new interface.");
1393                 reply = wpas_dbus_error_unknown_error(
1394                         message,
1395                         "wpa_supplicant could not add "
1396                         "a network on this interface.");
1397                 goto err;
1398         }
1399         wpas_notify_network_added(wpa_s, ssid);
1400         ssid->disabled = 1;
1401         wpa_config_set_network_defaults(ssid);
1402
1403         dbus_error_init(&error);
1404         if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
1405                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_add_network[dbus]:"
1406                            "control interface couldn't set network "
1407                            "properties");
1408                 reply = wpas_dbus_reply_new_from_error(message, &error,
1409                                                        DBUS_ERROR_INVALID_ARGS,
1410                                                        "Failed to add network");
1411                 dbus_error_free(&error);
1412                 goto err;
1413         }
1414
1415         /* Construct the object path for this network. */
1416         os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1417                     "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
1418                     wpa_s->dbus_new_path, ssid->id);
1419
1420         reply = dbus_message_new_method_return(message);
1421         if (reply == NULL) {
1422                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1423                                                NULL);
1424                 goto err;
1425         }
1426         if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1427                                       DBUS_TYPE_INVALID)) {
1428                 dbus_message_unref(reply);
1429                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1430                                                NULL);
1431                 goto err;
1432         }
1433
1434         return reply;
1435
1436 err:
1437         if (ssid) {
1438                 wpas_notify_network_removed(wpa_s, ssid);
1439                 wpa_config_remove_network(wpa_s->conf, ssid->id);
1440         }
1441         return reply;
1442 }
1443
1444
1445 /**
1446  * wpas_dbus_handler_reassociate - Reassociate to current AP
1447  * @message: Pointer to incoming dbus message
1448  * @wpa_s: wpa_supplicant structure for a network interface
1449  * Returns: NotConnected DBus error message if not connected
1450  * or NULL otherwise.
1451  *
1452  * Handler function for "Reassociate" method call of network interface.
1453  */
1454 DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
1455                                             struct wpa_supplicant *wpa_s)
1456 {
1457         if (wpa_s->current_ssid != NULL) {
1458                 wpa_s->normal_scans = 0;
1459                 wpa_supplicant_reinit_autoscan(wpa_s);
1460                 wpa_s->disconnected = 0;
1461                 wpa_s->reassociate = 1;
1462                 wpa_supplicant_req_scan(wpa_s, 0, 0);
1463
1464                 return NULL;
1465         }
1466
1467         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1468                                       "This interface is not connected");
1469 }
1470
1471
1472 /**
1473  * wpas_dbus_handler_remove_network - Remove a configured network
1474  * @message: Pointer to incoming dbus message
1475  * @wpa_s: wpa_supplicant structure for a network interface
1476  * Returns: NULL on success or dbus error on failure
1477  *
1478  * Handler function for "RemoveNetwork" method call of a network interface.
1479  */
1480 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1481                                                struct wpa_supplicant *wpa_s)
1482 {
1483         DBusMessage *reply = NULL;
1484         const char *op;
1485         char *iface = NULL, *net_id = NULL;
1486         int id;
1487         struct wpa_ssid *ssid;
1488
1489         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1490                               DBUS_TYPE_INVALID);
1491
1492         /* Extract the network ID and ensure the network */
1493         /* is actually a child of this interface */
1494         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1495         if (iface == NULL || net_id == NULL ||
1496             os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1497                 reply = wpas_dbus_error_invalid_args(message, op);
1498                 goto out;
1499         }
1500
1501         errno = 0;
1502         id = strtoul(net_id, NULL, 10);
1503         if (errno != 0) {
1504                 reply = wpas_dbus_error_invalid_args(message, op);
1505                 goto out;
1506         }
1507
1508         ssid = wpa_config_get_network(wpa_s->conf, id);
1509         if (ssid == NULL) {
1510                 reply = wpas_dbus_error_network_unknown(message);
1511                 goto out;
1512         }
1513
1514         wpas_notify_network_removed(wpa_s, ssid);
1515
1516         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1517                 wpa_printf(MSG_ERROR,
1518                            "wpas_dbus_handler_remove_network[dbus]: "
1519                            "error occurred when removing network %d", id);
1520                 reply = wpas_dbus_error_unknown_error(
1521                         message, "error removing the specified network on "
1522                         "this interface.");
1523                 goto out;
1524         }
1525
1526         if (ssid == wpa_s->current_ssid)
1527                 wpa_supplicant_deauthenticate(wpa_s,
1528                                               WLAN_REASON_DEAUTH_LEAVING);
1529
1530 out:
1531         os_free(iface);
1532         os_free(net_id);
1533         return reply;
1534 }
1535
1536
1537 static void remove_network(void *arg, struct wpa_ssid *ssid)
1538 {
1539         struct wpa_supplicant *wpa_s = arg;
1540
1541         wpas_notify_network_removed(wpa_s, ssid);
1542
1543         if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1544                 wpa_printf(MSG_ERROR,
1545                            "wpas_dbus_handler_remove_all_networks[dbus]: "
1546                            "error occurred when removing network %d",
1547                            ssid->id);
1548                 return;
1549         }
1550
1551         if (ssid == wpa_s->current_ssid)
1552                 wpa_supplicant_deauthenticate(wpa_s,
1553                                               WLAN_REASON_DEAUTH_LEAVING);
1554 }
1555
1556
1557 /**
1558  * wpas_dbus_handler_remove_all_networks - Remove all configured networks
1559  * @message: Pointer to incoming dbus message
1560  * @wpa_s: wpa_supplicant structure for a network interface
1561  * Returns: NULL on success or dbus error on failure
1562  *
1563  * Handler function for "RemoveAllNetworks" method call of a network interface.
1564  */
1565 DBusMessage * wpas_dbus_handler_remove_all_networks(
1566         DBusMessage *message, struct wpa_supplicant *wpa_s)
1567 {
1568         /* NB: could check for failure and return an error */
1569         wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
1570         return NULL;
1571 }
1572
1573
1574 /**
1575  * wpas_dbus_handler_select_network - Attempt association with a network
1576  * @message: Pointer to incoming dbus message
1577  * @wpa_s: wpa_supplicant structure for a network interface
1578  * Returns: NULL on success or dbus error on failure
1579  *
1580  * Handler function for "SelectNetwork" method call of network interface.
1581  */
1582 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1583                                                struct wpa_supplicant *wpa_s)
1584 {
1585         DBusMessage *reply = NULL;
1586         const char *op;
1587         char *iface = NULL, *net_id = NULL;
1588         int id;
1589         struct wpa_ssid *ssid;
1590
1591         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1592                               DBUS_TYPE_INVALID);
1593
1594         /* Extract the network ID and ensure the network */
1595         /* is actually a child of this interface */
1596         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1597         if (iface == NULL || net_id == NULL ||
1598             os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1599                 reply = wpas_dbus_error_invalid_args(message, op);
1600                 goto out;
1601         }
1602
1603         errno = 0;
1604         id = strtoul(net_id, NULL, 10);
1605         if (errno != 0) {
1606                 reply = wpas_dbus_error_invalid_args(message, op);
1607                 goto out;
1608         }
1609
1610         ssid = wpa_config_get_network(wpa_s->conf, id);
1611         if (ssid == NULL) {
1612                 reply = wpas_dbus_error_network_unknown(message);
1613                 goto out;
1614         }
1615
1616         /* Finally, associate with the network */
1617         wpa_supplicant_select_network(wpa_s, ssid);
1618
1619 out:
1620         os_free(iface);
1621         os_free(net_id);
1622         return reply;
1623 }
1624
1625
1626 /**
1627  * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
1628  * @message: Pointer to incoming dbus message
1629  * @wpa_s: wpa_supplicant structure for a network interface
1630  * Returns: NULL on success or dbus error on failure
1631  *
1632  * Handler function for "NetworkReply" method call of network interface.
1633  */
1634 DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
1635                                               struct wpa_supplicant *wpa_s)
1636 {
1637 #ifdef IEEE8021X_EAPOL
1638         DBusMessage *reply = NULL;
1639         const char *op, *field, *value;
1640         char *iface = NULL, *net_id = NULL;
1641         int id;
1642         struct wpa_ssid *ssid;
1643
1644         if (!dbus_message_get_args(message, NULL,
1645                                    DBUS_TYPE_OBJECT_PATH, &op,
1646                                    DBUS_TYPE_STRING, &field,
1647                                    DBUS_TYPE_STRING, &value,
1648                                    DBUS_TYPE_INVALID))
1649                 return wpas_dbus_error_invalid_args(message, NULL);
1650
1651         /* Extract the network ID and ensure the network */
1652         /* is actually a child of this interface */
1653         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1654         if (iface == NULL || net_id == NULL ||
1655             os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1656                 reply = wpas_dbus_error_invalid_args(message, op);
1657                 goto out;
1658         }
1659
1660         errno = 0;
1661         id = strtoul(net_id, NULL, 10);
1662         if (errno != 0) {
1663                 reply = wpas_dbus_error_invalid_args(message, net_id);
1664                 goto out;
1665         }
1666
1667         ssid = wpa_config_get_network(wpa_s->conf, id);
1668         if (ssid == NULL) {
1669                 reply = wpas_dbus_error_network_unknown(message);
1670                 goto out;
1671         }
1672
1673         if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
1674                                                       field, value) < 0)
1675                 reply = wpas_dbus_error_invalid_args(message, field);
1676         else {
1677                 /* Tell EAP to retry immediately */
1678                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1679         }
1680
1681 out:
1682         os_free(iface);
1683         os_free(net_id);
1684         return reply;
1685 #else /* IEEE8021X_EAPOL */
1686         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1687         return wpas_dbus_error_unknown_error(message, "802.1X not included");
1688 #endif /* IEEE8021X_EAPOL */
1689 }
1690
1691
1692 /**
1693  * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1694  * @message: Pointer to incoming dbus message
1695  * @wpa_s: %wpa_supplicant data structure
1696  * Returns: A dbus message containing an error on failure or NULL on success
1697  *
1698  * Asks wpa_supplicant to internally store a binary blobs.
1699  */
1700 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1701                                          struct wpa_supplicant *wpa_s)
1702 {
1703         DBusMessage *reply = NULL;
1704         DBusMessageIter iter, array_iter;
1705
1706         char *blob_name;
1707         u8 *blob_data;
1708         int blob_len;
1709         struct wpa_config_blob *blob = NULL;
1710
1711         dbus_message_iter_init(message, &iter);
1712         dbus_message_iter_get_basic(&iter, &blob_name);
1713
1714         if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1715                 return dbus_message_new_error(message,
1716                                               WPAS_DBUS_ERROR_BLOB_EXISTS,
1717                                               NULL);
1718         }
1719
1720         dbus_message_iter_next(&iter);
1721         dbus_message_iter_recurse(&iter, &array_iter);
1722
1723         dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1724
1725         blob = os_zalloc(sizeof(*blob));
1726         if (!blob) {
1727                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1728                                                NULL);
1729                 goto err;
1730         }
1731
1732         blob->data = os_malloc(blob_len);
1733         if (!blob->data) {
1734                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1735                                                NULL);
1736                 goto err;
1737         }
1738         os_memcpy(blob->data, blob_data, blob_len);
1739
1740         blob->len = blob_len;
1741         blob->name = os_strdup(blob_name);
1742         if (!blob->name) {
1743                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1744                                                NULL);
1745                 goto err;
1746         }
1747
1748         wpa_config_set_blob(wpa_s->conf, blob);
1749         wpas_notify_blob_added(wpa_s, blob->name);
1750
1751         return reply;
1752
1753 err:
1754         if (blob) {
1755                 os_free(blob->name);
1756                 os_free(blob->data);
1757                 os_free(blob);
1758         }
1759         return reply;
1760 }
1761
1762
1763 /**
1764  * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1765  * @message: Pointer to incoming dbus message
1766  * @wpa_s: %wpa_supplicant data structure
1767  * Returns: A dbus message containing array of bytes (blob)
1768  *
1769  * Gets one wpa_supplicant's binary blobs.
1770  */
1771 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1772                                          struct wpa_supplicant *wpa_s)
1773 {
1774         DBusMessage *reply = NULL;
1775         DBusMessageIter iter, array_iter;
1776
1777         char *blob_name;
1778         const struct wpa_config_blob *blob;
1779
1780         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1781                               DBUS_TYPE_INVALID);
1782
1783         blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1784         if (!blob) {
1785                 return dbus_message_new_error(message,
1786                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1787                                               "Blob id not set");
1788         }
1789
1790         reply = dbus_message_new_method_return(message);
1791         if (!reply) {
1792                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1793                                                NULL);
1794                 goto out;
1795         }
1796
1797         dbus_message_iter_init_append(reply, &iter);
1798
1799         if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1800                                               DBUS_TYPE_BYTE_AS_STRING,
1801                                               &array_iter)) {
1802                 dbus_message_unref(reply);
1803                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1804                                                NULL);
1805                 goto out;
1806         }
1807
1808         if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1809                                                   &(blob->data), blob->len)) {
1810                 dbus_message_unref(reply);
1811                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1812                                                NULL);
1813                 goto out;
1814         }
1815
1816         if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1817                 dbus_message_unref(reply);
1818                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1819                                                NULL);
1820                 goto out;
1821         }
1822
1823 out:
1824         return reply;
1825 }
1826
1827
1828 /**
1829  * wpas_remove_handler_remove_blob - Remove named binary blob
1830  * @message: Pointer to incoming dbus message
1831  * @wpa_s: %wpa_supplicant data structure
1832  * Returns: NULL on success or dbus error
1833  *
1834  * Asks wpa_supplicant to internally remove a binary blobs.
1835  */
1836 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1837                                             struct wpa_supplicant *wpa_s)
1838 {
1839         DBusMessage *reply = NULL;
1840         char *blob_name;
1841
1842         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1843                               DBUS_TYPE_INVALID);
1844
1845         if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1846                 return dbus_message_new_error(message,
1847                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1848                                               "Blob id not set");
1849         }
1850         wpas_notify_blob_removed(wpa_s, blob_name);
1851
1852         return reply;
1853
1854 }
1855
1856 /*
1857  * wpas_dbus_handler_flush_bss - Flush the BSS cache
1858  * @message: Pointer to incoming dbus message
1859  * @wpa_s: wpa_supplicant structure for a network interface
1860  * Returns: NULL
1861  *
1862  * Handler function for "FlushBSS" method call of network interface.
1863  */
1864 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
1865                                           struct wpa_supplicant *wpa_s)
1866 {
1867         dbus_uint32_t age;
1868
1869         dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
1870                               DBUS_TYPE_INVALID);
1871
1872         if (age == 0)
1873                 wpa_bss_flush(wpa_s);
1874         else
1875                 wpa_bss_flush_by_age(wpa_s, age);
1876
1877         return NULL;
1878 }
1879
1880
1881 #ifdef CONFIG_AUTOSCAN
1882 /**
1883  * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
1884  * @message: Pointer to incoming dbus message
1885  * @wpa_s: wpa_supplicant structure for a network interface
1886  * Returns: NULL
1887  *
1888  * Handler function for "AutoScan" method call of network interface.
1889  */
1890 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
1891                                          struct wpa_supplicant *wpa_s)
1892 {
1893         DBusMessage *reply = NULL;
1894         enum wpa_states state = wpa_s->wpa_state;
1895         char *arg;
1896
1897         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
1898                               DBUS_TYPE_INVALID);
1899
1900         if (arg != NULL && os_strlen(arg) > 0) {
1901                 char *tmp;
1902                 tmp = os_strdup(arg);
1903                 if (tmp == NULL) {
1904                         reply = dbus_message_new_error(message,
1905                                                        DBUS_ERROR_NO_MEMORY,
1906                                                        NULL);
1907                 } else {
1908                         os_free(wpa_s->conf->autoscan);
1909                         wpa_s->conf->autoscan = tmp;
1910                         if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
1911                                 autoscan_init(wpa_s, 1);
1912                         else if (state == WPA_SCANNING)
1913                                 wpa_supplicant_reinit_autoscan(wpa_s);
1914                 }
1915         } else if (arg != NULL && os_strlen(arg) == 0) {
1916                 os_free(wpa_s->conf->autoscan);
1917                 wpa_s->conf->autoscan = NULL;
1918                 autoscan_deinit(wpa_s);
1919         } else
1920                 reply = dbus_message_new_error(message,
1921                                                DBUS_ERROR_INVALID_ARGS,
1922                                                NULL);
1923
1924         return reply;
1925 }
1926 #endif /* CONFIG_AUTOSCAN */
1927
1928
1929 /**
1930  * wpas_dbus_getter_capabilities - Return interface capabilities
1931  * @iter: Pointer to incoming dbus message iter
1932  * @error: Location to store error on failure
1933  * @user_data: Function specific data
1934  * Returns: TRUE on success, FALSE on failure
1935  *
1936  * Getter for "Capabilities" property of an interface.
1937  */
1938 dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
1939                                           DBusError *error, void *user_data)
1940 {
1941         struct wpa_supplicant *wpa_s = user_data;
1942         struct wpa_driver_capa capa;
1943         int res;
1944         DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
1945                 variant_iter;
1946         const char *scans[] = { "active", "passive", "ssid" };
1947
1948         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
1949                                               "a{sv}", &variant_iter))
1950                 goto nomem;
1951
1952         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1953                 goto nomem;
1954
1955         res = wpa_drv_get_capa(wpa_s, &capa);
1956
1957         /***** pairwise cipher */
1958         if (res < 0) {
1959                 const char *args[] = {"ccmp", "tkip", "none"};
1960                 if (!wpa_dbus_dict_append_string_array(
1961                             &iter_dict, "Pairwise", args,
1962                             sizeof(args) / sizeof(char*)))
1963                         goto nomem;
1964         } else {
1965                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1966                                                       &iter_dict_entry,
1967                                                       &iter_dict_val,
1968                                                       &iter_array))
1969                         goto nomem;
1970
1971                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1972                         if (!wpa_dbus_dict_string_array_add_element(
1973                                     &iter_array, "ccmp"))
1974                                 goto nomem;
1975                 }
1976
1977                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1978                         if (!wpa_dbus_dict_string_array_add_element(
1979                                     &iter_array, "gcmp"))
1980                                 goto nomem;
1981                 }
1982
1983                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1984                         if (!wpa_dbus_dict_string_array_add_element(
1985                                     &iter_array, "tkip"))
1986                                 goto nomem;
1987                 }
1988
1989                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1990                         if (!wpa_dbus_dict_string_array_add_element(
1991                                     &iter_array, "none"))
1992                                 goto nomem;
1993                 }
1994
1995                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1996                                                     &iter_dict_entry,
1997                                                     &iter_dict_val,
1998                                                     &iter_array))
1999                         goto nomem;
2000         }
2001
2002         /***** group cipher */
2003         if (res < 0) {
2004                 const char *args[] = {
2005                         "ccmp", "tkip", "wep104", "wep40"
2006                 };
2007                 if (!wpa_dbus_dict_append_string_array(
2008                             &iter_dict, "Group", args,
2009                             sizeof(args) / sizeof(char*)))
2010                         goto nomem;
2011         } else {
2012                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
2013                                                       &iter_dict_entry,
2014                                                       &iter_dict_val,
2015                                                       &iter_array))
2016                         goto nomem;
2017
2018                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2019                         if (!wpa_dbus_dict_string_array_add_element(
2020                                     &iter_array, "ccmp"))
2021                                 goto nomem;
2022                 }
2023
2024                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2025                         if (!wpa_dbus_dict_string_array_add_element(
2026                                     &iter_array, "gcmp"))
2027                                 goto nomem;
2028                 }
2029
2030                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2031                         if (!wpa_dbus_dict_string_array_add_element(
2032                                     &iter_array, "tkip"))
2033                                 goto nomem;
2034                 }
2035
2036                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2037                         if (!wpa_dbus_dict_string_array_add_element(
2038                                     &iter_array, "wep104"))
2039                                 goto nomem;
2040                 }
2041
2042                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2043                         if (!wpa_dbus_dict_string_array_add_element(
2044                                     &iter_array, "wep40"))
2045                                 goto nomem;
2046                 }
2047
2048                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2049                                                     &iter_dict_entry,
2050                                                     &iter_dict_val,
2051                                                     &iter_array))
2052                         goto nomem;
2053         }
2054
2055         /***** key management */
2056         if (res < 0) {
2057                 const char *args[] = {
2058                         "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
2059 #ifdef CONFIG_WPS
2060                         "wps",
2061 #endif /* CONFIG_WPS */
2062                         "none"
2063                 };
2064                 if (!wpa_dbus_dict_append_string_array(
2065                             &iter_dict, "KeyMgmt", args,
2066                             sizeof(args) / sizeof(char*)))
2067                         goto nomem;
2068         } else {
2069                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
2070                                                       &iter_dict_entry,
2071                                                       &iter_dict_val,
2072                                                       &iter_array))
2073                         goto nomem;
2074
2075                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2076                                                             "none"))
2077                         goto nomem;
2078
2079                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2080                                                             "ieee8021x"))
2081                         goto nomem;
2082
2083                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2084                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2085                         if (!wpa_dbus_dict_string_array_add_element(
2086                                     &iter_array, "wpa-eap"))
2087                                 goto nomem;
2088
2089                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
2090                                 if (!wpa_dbus_dict_string_array_add_element(
2091                                             &iter_array, "wpa-ft-eap"))
2092                                         goto nomem;
2093
2094 /* TODO: Ensure that driver actually supports sha256 encryption. */
2095 #ifdef CONFIG_IEEE80211W
2096                         if (!wpa_dbus_dict_string_array_add_element(
2097                                     &iter_array, "wpa-eap-sha256"))
2098                                 goto nomem;
2099 #endif /* CONFIG_IEEE80211W */
2100                 }
2101
2102                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2103                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2104                         if (!wpa_dbus_dict_string_array_add_element(
2105                                     &iter_array, "wpa-psk"))
2106                                 goto nomem;
2107
2108                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
2109                                 if (!wpa_dbus_dict_string_array_add_element(
2110                                             &iter_array, "wpa-ft-psk"))
2111                                         goto nomem;
2112
2113 /* TODO: Ensure that driver actually supports sha256 encryption. */
2114 #ifdef CONFIG_IEEE80211W
2115                         if (!wpa_dbus_dict_string_array_add_element(
2116                                     &iter_array, "wpa-psk-sha256"))
2117                                 goto nomem;
2118 #endif /* CONFIG_IEEE80211W */
2119                 }
2120
2121                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2122                         if (!wpa_dbus_dict_string_array_add_element(
2123                                     &iter_array, "wpa-none"))
2124                                 goto nomem;
2125                 }
2126
2127
2128 #ifdef CONFIG_WPS
2129                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2130                                                             "wps"))
2131                         goto nomem;
2132 #endif /* CONFIG_WPS */
2133
2134                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2135                                                     &iter_dict_entry,
2136                                                     &iter_dict_val,
2137                                                     &iter_array))
2138                         goto nomem;
2139         }
2140
2141         /***** WPA protocol */
2142         if (res < 0) {
2143                 const char *args[] = { "rsn", "wpa" };
2144                 if (!wpa_dbus_dict_append_string_array(
2145                             &iter_dict, "Protocol", args,
2146                             sizeof(args) / sizeof(char*)))
2147                         goto nomem;
2148         } else {
2149                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
2150                                                       &iter_dict_entry,
2151                                                       &iter_dict_val,
2152                                                       &iter_array))
2153                         goto nomem;
2154
2155                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2156                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2157                         if (!wpa_dbus_dict_string_array_add_element(
2158                                     &iter_array, "rsn"))
2159                                 goto nomem;
2160                 }
2161
2162                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2163                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2164                         if (!wpa_dbus_dict_string_array_add_element(
2165                                     &iter_array, "wpa"))
2166                                 goto nomem;
2167                 }
2168
2169                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2170                                                     &iter_dict_entry,
2171                                                     &iter_dict_val,
2172                                                     &iter_array))
2173                         goto nomem;
2174         }
2175
2176         /***** auth alg */
2177         if (res < 0) {
2178                 const char *args[] = { "open", "shared", "leap" };
2179                 if (!wpa_dbus_dict_append_string_array(
2180                             &iter_dict, "AuthAlg", args,
2181                             sizeof(args) / sizeof(char*)))
2182                         goto nomem;
2183         } else {
2184                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2185                                                       &iter_dict_entry,
2186                                                       &iter_dict_val,
2187                                                       &iter_array))
2188                         goto nomem;
2189
2190                 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
2191                         if (!wpa_dbus_dict_string_array_add_element(
2192                                     &iter_array, "open"))
2193                                 goto nomem;
2194                 }
2195
2196                 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
2197                         if (!wpa_dbus_dict_string_array_add_element(
2198                                     &iter_array, "shared"))
2199                                 goto nomem;
2200                 }
2201
2202                 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
2203                         if (!wpa_dbus_dict_string_array_add_element(
2204                                     &iter_array, "leap"))
2205                                 goto nomem;
2206                 }
2207
2208                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2209                                                     &iter_dict_entry,
2210                                                     &iter_dict_val,
2211                                                     &iter_array))
2212                         goto nomem;
2213         }
2214
2215         /***** Scan */
2216         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2217                                                sizeof(scans) / sizeof(char *)))
2218                 goto nomem;
2219
2220         /***** Modes */
2221         if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
2222                                               &iter_dict_entry,
2223                                               &iter_dict_val,
2224                                               &iter_array))
2225                 goto nomem;
2226
2227         if (!wpa_dbus_dict_string_array_add_element(
2228                             &iter_array, "infrastructure"))
2229                 goto nomem;
2230
2231         if (!wpa_dbus_dict_string_array_add_element(
2232                             &iter_array, "ad-hoc"))
2233                 goto nomem;
2234
2235         if (res >= 0) {
2236                 if (capa.flags & (WPA_DRIVER_FLAGS_AP)) {
2237                         if (!wpa_dbus_dict_string_array_add_element(
2238                                     &iter_array, "ap"))
2239                                 goto nomem;
2240                 }
2241
2242                 if (capa.flags & (WPA_DRIVER_FLAGS_P2P_CAPABLE)) {
2243                         if (!wpa_dbus_dict_string_array_add_element(
2244                                     &iter_array, "p2p"))
2245                                 goto nomem;
2246                 }
2247         }
2248
2249         if (!wpa_dbus_dict_end_string_array(&iter_dict,
2250                                             &iter_dict_entry,
2251                                             &iter_dict_val,
2252                                             &iter_array))
2253                 goto nomem;
2254         /***** Modes end */
2255
2256         if (res >= 0) {
2257                 dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
2258
2259                 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
2260                                                 max_scan_ssid))
2261                         goto nomem;
2262         }
2263
2264         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2265                 goto nomem;
2266         if (!dbus_message_iter_close_container(iter, &variant_iter))
2267                 goto nomem;
2268
2269         return TRUE;
2270
2271 nomem:
2272         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2273         return FALSE;
2274 }
2275
2276
2277 /**
2278  * wpas_dbus_getter_state - Get interface state
2279  * @iter: Pointer to incoming dbus message iter
2280  * @error: Location to store error on failure
2281  * @user_data: Function specific data
2282  * Returns: TRUE on success, FALSE on failure
2283  *
2284  * Getter for "State" property.
2285  */
2286 dbus_bool_t wpas_dbus_getter_state(DBusMessageIter *iter, DBusError *error,
2287                                    void *user_data)
2288 {
2289         struct wpa_supplicant *wpa_s = user_data;
2290         const char *str_state;
2291         char *state_ls, *tmp;
2292         dbus_bool_t success = FALSE;
2293
2294         str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2295
2296         /* make state string lowercase to fit new DBus API convention
2297          */
2298         state_ls = tmp = os_strdup(str_state);
2299         if (!tmp) {
2300                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2301                 return FALSE;
2302         }
2303         while (*tmp) {
2304                 *tmp = tolower(*tmp);
2305                 tmp++;
2306         }
2307
2308         success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2309                                                    &state_ls, error);
2310
2311         os_free(state_ls);
2312
2313         return success;
2314 }
2315
2316
2317 /**
2318  * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2319  * @iter: Pointer to incoming dbus message iter
2320  * @error: Location to store error on failure
2321  * @user_data: Function specific data
2322  * Returns: TRUE on success, FALSE on failure
2323  *
2324  * Getter for "scanning" property.
2325  */
2326 dbus_bool_t wpas_dbus_getter_scanning(DBusMessageIter *iter, DBusError *error,
2327                                       void *user_data)
2328 {
2329         struct wpa_supplicant *wpa_s = user_data;
2330         dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2331
2332         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2333                                                 &scanning, error);
2334 }
2335
2336
2337 /**
2338  * wpas_dbus_getter_ap_scan - Control roaming mode
2339  * @iter: Pointer to incoming dbus message iter
2340  * @error: Location to store error on failure
2341  * @user_data: Function specific data
2342  * Returns: TRUE on success, FALSE on failure
2343  *
2344  * Getter function for "ApScan" property.
2345  */
2346 dbus_bool_t wpas_dbus_getter_ap_scan(DBusMessageIter *iter, DBusError *error,
2347                                      void *user_data)
2348 {
2349         struct wpa_supplicant *wpa_s = user_data;
2350         dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2351
2352         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2353                                                 &ap_scan, error);
2354 }
2355
2356
2357 /**
2358  * wpas_dbus_setter_ap_scan - Control roaming mode
2359  * @iter: Pointer to incoming dbus message iter
2360  * @error: Location to store error on failure
2361  * @user_data: Function specific data
2362  * Returns: TRUE on success, FALSE on failure
2363  *
2364  * Setter function for "ApScan" property.
2365  */
2366 dbus_bool_t wpas_dbus_setter_ap_scan(DBusMessageIter *iter, DBusError *error,
2367                                      void *user_data)
2368 {
2369         struct wpa_supplicant *wpa_s = user_data;
2370         dbus_uint32_t ap_scan;
2371
2372         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2373                                               &ap_scan))
2374                 return FALSE;
2375
2376         if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2377                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2378                                      "ap_scan must be 0, 1, or 2");
2379                 return FALSE;
2380         }
2381         return TRUE;
2382 }
2383
2384
2385 /**
2386  * wpas_dbus_getter_fast_reauth - Control fast
2387  * reauthentication (TLS session resumption)
2388  * @iter: Pointer to incoming dbus message iter
2389  * @error: Location to store error on failure
2390  * @user_data: Function specific data
2391  * Returns: TRUE on success, FALSE on failure
2392  *
2393  * Getter function for "FastReauth" property.
2394  */
2395 dbus_bool_t wpas_dbus_getter_fast_reauth(DBusMessageIter *iter,
2396                                          DBusError *error,
2397                                          void *user_data)
2398 {
2399         struct wpa_supplicant *wpa_s = user_data;
2400         dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
2401
2402         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2403                                                 &fast_reauth, error);
2404 }
2405
2406
2407 /**
2408  * wpas_dbus_setter_fast_reauth - Control fast
2409  * reauthentication (TLS session resumption)
2410  * @iter: Pointer to incoming dbus message iter
2411  * @error: Location to store error on failure
2412  * @user_data: Function specific data
2413  * Returns: TRUE on success, FALSE on failure
2414  *
2415  * Setter function for "FastReauth" property.
2416  */
2417 dbus_bool_t wpas_dbus_setter_fast_reauth(DBusMessageIter *iter,
2418                                      DBusError *error,
2419                                      void *user_data)
2420 {
2421         struct wpa_supplicant *wpa_s = user_data;
2422         dbus_bool_t fast_reauth;
2423
2424         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
2425                                               &fast_reauth))
2426                 return FALSE;
2427
2428         wpa_s->conf->fast_reauth = fast_reauth;
2429         return TRUE;
2430 }
2431
2432
2433 /**
2434  * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
2435  * @iter: Pointer to incoming dbus message iter
2436  * @error: Location to store error on failure
2437  * @user_data: Function specific data
2438  * Returns: TRUE on success, FALSE on failure
2439  *
2440  * Getter for "DisconnectReason" property.  The reason is negative if it is
2441  * locally generated.
2442  */
2443 dbus_bool_t wpas_dbus_getter_disconnect_reason(DBusMessageIter *iter,
2444                                                DBusError *error,
2445                                                void *user_data)
2446 {
2447         struct wpa_supplicant *wpa_s = user_data;
2448         dbus_int32_t reason = wpa_s->disconnect_reason;
2449         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2450                                                 &reason, error);
2451 }
2452
2453
2454 /**
2455  * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2456  * @iter: Pointer to incoming dbus message iter
2457  * @error: Location to store error on failure
2458  * @user_data: Function specific data
2459  * Returns: TRUE on success, FALSE on failure
2460  *
2461  * Getter function for "BSSExpireAge" property.
2462  */
2463 dbus_bool_t wpas_dbus_getter_bss_expire_age(DBusMessageIter *iter,
2464                                             DBusError *error,
2465                                             void *user_data)
2466 {
2467         struct wpa_supplicant *wpa_s = user_data;
2468         dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2469
2470         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2471                                                 &expire_age, error);
2472 }
2473
2474
2475 /**
2476  * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2477  * @iter: Pointer to incoming dbus message iter
2478  * @error: Location to store error on failure
2479  * @user_data: Function specific data
2480  * Returns: TRUE on success, FALSE on failure
2481  *
2482  * Setter function for "BSSExpireAge" property.
2483  */
2484 dbus_bool_t wpas_dbus_setter_bss_expire_age(DBusMessageIter *iter,
2485                                             DBusError *error,
2486                                             void *user_data)
2487 {
2488         struct wpa_supplicant *wpa_s = user_data;
2489         dbus_uint32_t expire_age;
2490
2491         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2492                                               &expire_age))
2493                 return FALSE;
2494
2495         if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
2496                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2497                                      "BSSExpireAge must be >= 10");
2498                 return FALSE;
2499         }
2500         return TRUE;
2501 }
2502
2503
2504 /**
2505  * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
2506  * @iter: Pointer to incoming dbus message iter
2507  * @error: Location to store error on failure
2508  * @user_data: Function specific data
2509  * Returns: TRUE on success, FALSE on failure
2510  *
2511  * Getter function for "BSSExpireCount" property.
2512  */
2513 dbus_bool_t wpas_dbus_getter_bss_expire_count(DBusMessageIter *iter,
2514                                               DBusError *error,
2515                                               void *user_data)
2516 {
2517         struct wpa_supplicant *wpa_s = user_data;
2518         dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
2519
2520         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2521                                                 &expire_count, error);
2522 }
2523
2524
2525 /**
2526  * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
2527  * @iter: Pointer to incoming dbus message iter
2528  * @error: Location to store error on failure
2529  * @user_data: Function specific data
2530  * Returns: TRUE on success, FALSE on failure
2531  *
2532  * Setter function for "BSSExpireCount" property.
2533  */
2534 dbus_bool_t wpas_dbus_setter_bss_expire_count(DBusMessageIter *iter,
2535                                               DBusError *error,
2536                                               void *user_data)
2537 {
2538         struct wpa_supplicant *wpa_s = user_data;
2539         dbus_uint32_t expire_count;
2540
2541         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2542                                               &expire_count))
2543                 return FALSE;
2544
2545         if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
2546                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2547                                      "BSSExpireCount must be > 0");
2548                 return FALSE;
2549         }
2550         return TRUE;
2551 }
2552
2553
2554 /**
2555  * wpas_dbus_getter_country - Control country code
2556  * @iter: Pointer to incoming dbus message iter
2557  * @error: Location to store error on failure
2558  * @user_data: Function specific data
2559  * Returns: TRUE on success, FALSE on failure
2560  *
2561  * Getter function for "Country" property.
2562  */
2563 dbus_bool_t wpas_dbus_getter_country(DBusMessageIter *iter, DBusError *error,
2564                                      void *user_data)
2565 {
2566         struct wpa_supplicant *wpa_s = user_data;
2567         char country[3];
2568         char *str = country;
2569
2570         country[0] = wpa_s->conf->country[0];
2571         country[1] = wpa_s->conf->country[1];
2572         country[2] = '\0';
2573
2574         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2575                                                 &str, error);
2576 }
2577
2578
2579 /**
2580  * wpas_dbus_setter_country - Control country code
2581  * @iter: Pointer to incoming dbus message iter
2582  * @error: Location to store error on failure
2583  * @user_data: Function specific data
2584  * Returns: TRUE on success, FALSE on failure
2585  *
2586  * Setter function for "Country" property.
2587  */
2588 dbus_bool_t wpas_dbus_setter_country(DBusMessageIter *iter, DBusError *error,
2589                                      void *user_data)
2590 {
2591         struct wpa_supplicant *wpa_s = user_data;
2592         const char *country;
2593
2594         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
2595                                               &country))
2596                 return FALSE;
2597
2598         if (!country[0] || !country[1]) {
2599                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2600                                      "invalid country code");
2601                 return FALSE;
2602         }
2603
2604         if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
2605                 wpa_printf(MSG_DEBUG, "Failed to set country");
2606                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2607                                      "failed to set country code");
2608                 return FALSE;
2609         }
2610
2611         wpa_s->conf->country[0] = country[0];
2612         wpa_s->conf->country[1] = country[1];
2613         return TRUE;
2614 }
2615
2616
2617 /**
2618  * wpas_dbus_getter_scan_interval - Get scan interval
2619  * @iter: Pointer to incoming dbus message iter
2620  * @error: Location to store error on failure
2621  * @user_data: Function specific data
2622  * Returns: TRUE on success, FALSE on failure
2623  *
2624  * Getter function for "ScanInterval" property.
2625  */
2626 dbus_bool_t wpas_dbus_getter_scan_interval(DBusMessageIter *iter,
2627                                            DBusError *error,
2628                                            void *user_data)
2629 {
2630         struct wpa_supplicant *wpa_s = user_data;
2631         dbus_int32_t scan_interval = wpa_s->scan_interval;
2632
2633         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2634                                                 &scan_interval, error);
2635 }
2636
2637
2638 /**
2639  * wpas_dbus_setter_scan_interval - Control scan interval
2640  * @iter: Pointer to incoming dbus message iter
2641  * @error: Location to store error on failure
2642  * @user_data: Function specific data
2643  * Returns: TRUE on success, FALSE on failure
2644  *
2645  * Setter function for "ScanInterval" property.
2646  */
2647 dbus_bool_t wpas_dbus_setter_scan_interval(DBusMessageIter *iter,
2648                                            DBusError *error,
2649                                            void *user_data)
2650 {
2651         struct wpa_supplicant *wpa_s = user_data;
2652         dbus_int32_t scan_interval;
2653
2654         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
2655                                               &scan_interval))
2656                 return FALSE;
2657
2658         if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
2659                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2660                                      "scan_interval must be >= 0");
2661                 return FALSE;
2662         }
2663         return TRUE;
2664 }
2665
2666
2667 /**
2668  * wpas_dbus_getter_ifname - Get interface name
2669  * @iter: Pointer to incoming dbus message iter
2670  * @error: Location to store error on failure
2671  * @user_data: Function specific data
2672  * Returns: TRUE on success, FALSE on failure
2673  *
2674  * Getter for "Ifname" property.
2675  */
2676 dbus_bool_t wpas_dbus_getter_ifname(DBusMessageIter *iter, DBusError *error,
2677                                     void *user_data)
2678 {
2679         struct wpa_supplicant *wpa_s = user_data;
2680         const char *ifname = wpa_s->ifname;
2681
2682         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2683                                                 &ifname, error);
2684 }
2685
2686
2687 /**
2688  * wpas_dbus_getter_driver - Get interface name
2689  * @iter: Pointer to incoming dbus message iter
2690  * @error: Location to store error on failure
2691  * @user_data: Function specific data
2692  * Returns: TRUE on success, FALSE on failure
2693  *
2694  * Getter for "Driver" property.
2695  */
2696 dbus_bool_t wpas_dbus_getter_driver(DBusMessageIter *iter, DBusError *error,
2697                                     void *user_data)
2698 {
2699         struct wpa_supplicant *wpa_s = user_data;
2700         const char *driver;
2701
2702         if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2703                 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2704                            "wpa_s has no driver set");
2705                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
2706                                __func__);
2707                 return FALSE;
2708         }
2709
2710         driver = wpa_s->driver->name;
2711         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2712                                                 &driver, error);
2713 }
2714
2715
2716 /**
2717  * wpas_dbus_getter_current_bss - Get current bss object path
2718  * @iter: Pointer to incoming dbus message iter
2719  * @error: Location to store error on failure
2720  * @user_data: Function specific data
2721  * Returns: TRUE on success, FALSE on failure
2722  *
2723  * Getter for "CurrentBSS" property.
2724  */
2725 dbus_bool_t wpas_dbus_getter_current_bss(DBusMessageIter *iter,
2726                                          DBusError *error,
2727                                          void *user_data)
2728 {
2729         struct wpa_supplicant *wpa_s = user_data;
2730         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
2731
2732         if (wpa_s->current_bss)
2733                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2734                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2735                             wpa_s->dbus_new_path, wpa_s->current_bss->id);
2736         else
2737                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2738
2739         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2740                                                 &bss_obj_path, error);
2741 }
2742
2743
2744 /**
2745  * wpas_dbus_getter_current_network - Get current network object path
2746  * @iter: Pointer to incoming dbus message iter
2747  * @error: Location to store error on failure
2748  * @user_data: Function specific data
2749  * Returns: TRUE on success, FALSE on failure
2750  *
2751  * Getter for "CurrentNetwork" property.
2752  */
2753 dbus_bool_t wpas_dbus_getter_current_network(DBusMessageIter *iter,
2754                                              DBusError *error,
2755                                              void *user_data)
2756 {
2757         struct wpa_supplicant *wpa_s = user_data;
2758         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
2759
2760         if (wpa_s->current_ssid)
2761                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2762                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2763                             wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2764         else
2765                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2766
2767         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2768                                                 &net_obj_path, error);
2769 }
2770
2771
2772 /**
2773  * wpas_dbus_getter_current_auth_mode - Get current authentication type
2774  * @iter: Pointer to incoming dbus message iter
2775  * @error: Location to store error on failure
2776  * @user_data: Function specific data
2777  * Returns: TRUE on success, FALSE on failure
2778  *
2779  * Getter for "CurrentAuthMode" property.
2780  */
2781 dbus_bool_t wpas_dbus_getter_current_auth_mode(DBusMessageIter *iter,
2782                                                DBusError *error,
2783                                                void *user_data)
2784 {
2785         struct wpa_supplicant *wpa_s = user_data;
2786         const char *eap_mode;
2787         const char *auth_mode;
2788         char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
2789
2790         if (wpa_s->wpa_state != WPA_COMPLETED) {
2791                 auth_mode = "INACTIVE";
2792         } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
2793             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2794                 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
2795                 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
2796                             "EAP-%s", eap_mode);
2797                 auth_mode = eap_mode_buf;
2798
2799         } else {
2800                 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
2801                                              wpa_s->current_ssid->proto);
2802         }
2803
2804         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2805                                                 &auth_mode, error);
2806 }
2807
2808
2809 /**
2810  * wpas_dbus_getter_bridge_ifname - Get interface name
2811  * @iter: Pointer to incoming dbus message iter
2812  * @error: Location to store error on failure
2813  * @user_data: Function specific data
2814  * Returns: TRUE on success, FALSE on failure
2815  *
2816  * Getter for "BridgeIfname" property.
2817  */
2818 dbus_bool_t wpas_dbus_getter_bridge_ifname(DBusMessageIter *iter,
2819                                            DBusError *error,
2820                                            void *user_data)
2821 {
2822         struct wpa_supplicant *wpa_s = user_data;
2823         const char *bridge_ifname = wpa_s->bridge_ifname;
2824         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2825                                                 &bridge_ifname, error);
2826 }
2827
2828
2829 /**
2830  * wpas_dbus_getter_bsss - Get array of BSSs objects
2831  * @iter: Pointer to incoming dbus message iter
2832  * @error: Location to store error on failure
2833  * @user_data: Function specific data
2834  * Returns: TRUE on success, FALSE on failure
2835  *
2836  * Getter for "BSSs" property.
2837  */
2838 dbus_bool_t wpas_dbus_getter_bsss(DBusMessageIter *iter, DBusError *error,
2839                                   void *user_data)
2840 {
2841         struct wpa_supplicant *wpa_s = user_data;
2842         struct wpa_bss *bss;
2843         char **paths;
2844         unsigned int i = 0;
2845         dbus_bool_t success = FALSE;
2846
2847         paths = os_calloc(wpa_s->num_bss, sizeof(char *));
2848         if (!paths) {
2849                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2850                 return FALSE;
2851         }
2852
2853         /* Loop through scan results and append each result's object path */
2854         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2855                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2856                 if (paths[i] == NULL) {
2857                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2858                                              "no memory");
2859                         goto out;
2860                 }
2861                 /* Construct the object path for this BSS. */
2862                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2863                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2864                             wpa_s->dbus_new_path, bss->id);
2865         }
2866
2867         success = wpas_dbus_simple_array_property_getter(iter,
2868                                                          DBUS_TYPE_OBJECT_PATH,
2869                                                          paths, wpa_s->num_bss,
2870                                                          error);
2871
2872 out:
2873         while (i)
2874                 os_free(paths[--i]);
2875         os_free(paths);
2876         return success;
2877 }
2878
2879
2880 /**
2881  * wpas_dbus_getter_networks - Get array of networks objects
2882  * @iter: Pointer to incoming dbus message iter
2883  * @error: Location to store error on failure
2884  * @user_data: Function specific data
2885  * Returns: TRUE on success, FALSE on failure
2886  *
2887  * Getter for "Networks" property.
2888  */
2889 dbus_bool_t wpas_dbus_getter_networks(DBusMessageIter *iter, DBusError *error,
2890                                       void *user_data)
2891 {
2892         struct wpa_supplicant *wpa_s = user_data;
2893         struct wpa_ssid *ssid;
2894         char **paths;
2895         unsigned int i = 0, num = 0;
2896         dbus_bool_t success = FALSE;
2897
2898         if (wpa_s->conf == NULL) {
2899                 wpa_printf(MSG_ERROR, "%s[dbus]: An error occurred getting "
2900                            "networks list.", __func__);
2901                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: an error "
2902                                "occurred getting the networks list", __func__);
2903                 return FALSE;
2904         }
2905
2906         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2907                 if (!network_is_persistent_group(ssid))
2908                         num++;
2909
2910         paths = os_calloc(num, sizeof(char *));
2911         if (!paths) {
2912                 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2913                 return FALSE;
2914         }
2915
2916         /* Loop through configured networks and append object path of each */
2917         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2918                 if (network_is_persistent_group(ssid))
2919                         continue;
2920                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2921                 if (paths[i] == NULL) {
2922                         dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2923                         goto out;
2924                 }
2925
2926                 /* Construct the object path for this network. */
2927                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2928                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2929                             wpa_s->dbus_new_path, ssid->id);
2930         }
2931
2932         success = wpas_dbus_simple_array_property_getter(iter,
2933                                                          DBUS_TYPE_OBJECT_PATH,
2934                                                          paths, num, error);
2935
2936 out:
2937         while (i)
2938                 os_free(paths[--i]);
2939         os_free(paths);
2940         return success;
2941 }
2942
2943
2944 /**
2945  * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2946  * @iter: Pointer to incoming dbus message iter
2947  * @error: Location to store error on failure
2948  * @user_data: Function specific data
2949  * Returns: TRUE on success, FALSE on failure
2950  *
2951  * Getter for "Blobs" property.
2952  */
2953 dbus_bool_t wpas_dbus_getter_blobs(DBusMessageIter *iter, DBusError *error,
2954                                    void *user_data)
2955 {
2956         struct wpa_supplicant *wpa_s = user_data;
2957         DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
2958         struct wpa_config_blob *blob;
2959
2960         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
2961                                               "a{say}", &variant_iter) ||
2962             !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2963                                               "{say}", &dict_iter)) {
2964                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2965                 return FALSE;
2966         }
2967
2968         blob = wpa_s->conf->blobs;
2969         while (blob) {
2970                 if (!dbus_message_iter_open_container(&dict_iter,
2971                                                       DBUS_TYPE_DICT_ENTRY,
2972                                                       NULL, &entry_iter) ||
2973                     !dbus_message_iter_append_basic(&entry_iter,
2974                                                     DBUS_TYPE_STRING,
2975                                                     &(blob->name)) ||
2976                     !dbus_message_iter_open_container(&entry_iter,
2977                                                       DBUS_TYPE_ARRAY,
2978                                                       DBUS_TYPE_BYTE_AS_STRING,
2979                                                       &array_iter) ||
2980                     !dbus_message_iter_append_fixed_array(&array_iter,
2981                                                           DBUS_TYPE_BYTE,
2982                                                           &(blob->data),
2983                                                           blob->len) ||
2984                     !dbus_message_iter_close_container(&entry_iter,
2985                                                        &array_iter) ||
2986                     !dbus_message_iter_close_container(&dict_iter,
2987                                                        &entry_iter)) {
2988                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2989                                              "no memory");
2990                         return FALSE;
2991                 }
2992
2993                 blob = blob->next;
2994         }
2995
2996         if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
2997             !dbus_message_iter_close_container(iter, &variant_iter)) {
2998                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2999                 return FALSE;
3000         }
3001
3002         return TRUE;
3003 }
3004
3005
3006 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
3007                                        DBusError *error, const char *func_name)
3008 {
3009         struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
3010
3011         if (!res) {
3012                 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
3013                            func_name, args->id);
3014                 dbus_set_error(error, DBUS_ERROR_FAILED,
3015                                "%s: BSS %d not found",
3016                                func_name, args->id);
3017         }
3018
3019         return res;
3020 }
3021
3022
3023 /**
3024  * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
3025  * @iter: Pointer to incoming dbus message iter
3026  * @error: Location to store error on failure
3027  * @user_data: Function specific data
3028  * Returns: TRUE on success, FALSE on failure
3029  *
3030  * Getter for "BSSID" property.
3031  */
3032 dbus_bool_t wpas_dbus_getter_bss_bssid(DBusMessageIter *iter, DBusError *error,
3033                                        void *user_data)
3034 {
3035         struct bss_handler_args *args = user_data;
3036         struct wpa_bss *res;
3037
3038         res = get_bss_helper(args, error, __func__);
3039         if (!res)
3040                 return FALSE;
3041
3042         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3043                                                       res->bssid, ETH_ALEN,
3044                                                       error);
3045 }
3046
3047
3048 /**
3049  * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
3050  * @iter: Pointer to incoming dbus message iter
3051  * @error: Location to store error on failure
3052  * @user_data: Function specific data
3053  * Returns: TRUE on success, FALSE on failure
3054  *
3055  * Getter for "SSID" property.
3056  */
3057 dbus_bool_t wpas_dbus_getter_bss_ssid(DBusMessageIter *iter, DBusError *error,
3058                                       void *user_data)
3059 {
3060         struct bss_handler_args *args = user_data;
3061         struct wpa_bss *res;
3062
3063         res = get_bss_helper(args, error, __func__);
3064         if (!res)
3065                 return FALSE;
3066
3067         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3068                                                       res->ssid, res->ssid_len,
3069                                                       error);
3070 }
3071
3072
3073 /**
3074  * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
3075  * @iter: Pointer to incoming dbus message iter
3076  * @error: Location to store error on failure
3077  * @user_data: Function specific data
3078  * Returns: TRUE on success, FALSE on failure
3079  *
3080  * Getter for "Privacy" property.
3081  */
3082 dbus_bool_t wpas_dbus_getter_bss_privacy(DBusMessageIter *iter,
3083                                          DBusError *error, void *user_data)
3084 {
3085         struct bss_handler_args *args = user_data;
3086         struct wpa_bss *res;
3087         dbus_bool_t privacy;
3088
3089         res = get_bss_helper(args, error, __func__);
3090         if (!res)
3091                 return FALSE;
3092
3093         privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
3094         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3095                                                 &privacy, error);
3096 }
3097
3098
3099 /**
3100  * wpas_dbus_getter_bss_mode - Return the mode of a BSS
3101  * @iter: Pointer to incoming dbus message iter
3102  * @error: Location to store error on failure
3103  * @user_data: Function specific data
3104  * Returns: TRUE on success, FALSE on failure
3105  *
3106  * Getter for "Mode" property.
3107  */
3108 dbus_bool_t wpas_dbus_getter_bss_mode(DBusMessageIter *iter, DBusError *error,
3109                                       void *user_data)
3110 {
3111         struct bss_handler_args *args = user_data;
3112         struct wpa_bss *res;
3113         const char *mode;
3114
3115         res = get_bss_helper(args, error, __func__);
3116         if (!res)
3117                 return FALSE;
3118
3119         if (res->caps & IEEE80211_CAP_IBSS)
3120                 mode = "ad-hoc";
3121         else
3122                 mode = "infrastructure";
3123
3124         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3125                                                 &mode, error);
3126 }
3127
3128
3129 /**
3130  * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
3131  * @iter: Pointer to incoming dbus message iter
3132  * @error: Location to store error on failure
3133  * @user_data: Function specific data
3134  * Returns: TRUE on success, FALSE on failure
3135  *
3136  * Getter for "Level" property.
3137  */
3138 dbus_bool_t wpas_dbus_getter_bss_signal(DBusMessageIter *iter,
3139                                         DBusError *error, void *user_data)
3140 {
3141         struct bss_handler_args *args = user_data;
3142         struct wpa_bss *res;
3143         s16 level;
3144
3145         res = get_bss_helper(args, error, __func__);
3146         if (!res)
3147                 return FALSE;
3148
3149         level = (s16) res->level;
3150         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
3151                                                 &level, error);
3152 }
3153
3154
3155 /**
3156  * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
3157  * @iter: Pointer to incoming dbus message iter
3158  * @error: Location to store error on failure
3159  * @user_data: Function specific data
3160  * Returns: TRUE on success, FALSE on failure
3161  *
3162  * Getter for "Frequency" property.
3163  */
3164 dbus_bool_t wpas_dbus_getter_bss_frequency(DBusMessageIter *iter,
3165                                            DBusError *error, void *user_data)
3166 {
3167         struct bss_handler_args *args = user_data;
3168         struct wpa_bss *res;
3169         u16 freq;
3170
3171         res = get_bss_helper(args, error, __func__);
3172         if (!res)
3173                 return FALSE;
3174
3175         freq = (u16) res->freq;
3176         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
3177                                                 &freq, error);
3178 }
3179
3180
3181 static int cmp_u8s_desc(const void *a, const void *b)
3182 {
3183         return (*(u8 *) b - *(u8 *) a);
3184 }
3185
3186
3187 /**
3188  * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
3189  * @iter: Pointer to incoming dbus message iter
3190  * @error: Location to store error on failure
3191  * @user_data: Function specific data
3192  * Returns: TRUE on success, FALSE on failure
3193  *
3194  * Getter for "Rates" property.
3195  */
3196 dbus_bool_t wpas_dbus_getter_bss_rates(DBusMessageIter *iter,
3197                                        DBusError *error, void *user_data)
3198 {
3199         struct bss_handler_args *args = user_data;
3200         struct wpa_bss *res;
3201         u8 *ie_rates = NULL;
3202         u32 *real_rates;
3203         int rates_num, i;
3204         dbus_bool_t success = FALSE;
3205
3206         res = get_bss_helper(args, error, __func__);
3207         if (!res)
3208                 return FALSE;
3209
3210         rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
3211         if (rates_num < 0)
3212                 return FALSE;
3213
3214         qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
3215
3216         real_rates = os_malloc(sizeof(u32) * rates_num);
3217         if (!real_rates) {
3218                 os_free(ie_rates);
3219                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3220                 return FALSE;
3221         }
3222
3223         for (i = 0; i < rates_num; i++)
3224                 real_rates[i] = ie_rates[i] * 500000;
3225
3226         success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
3227                                                          real_rates, rates_num,
3228                                                          error);
3229
3230         os_free(ie_rates);
3231         os_free(real_rates);
3232         return success;
3233 }
3234
3235
3236 static dbus_bool_t wpas_dbus_get_bss_security_prop(DBusMessageIter *iter,
3237                                                    struct wpa_ie_data *ie_data,
3238                                                    DBusError *error)
3239 {
3240         DBusMessageIter iter_dict, variant_iter;
3241         const char *group;
3242         const char *pairwise[3]; /* max 3 pairwise ciphers is supported */
3243         const char *key_mgmt[7]; /* max 7 key managements may be supported */
3244         int n;
3245
3246         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3247                                               "a{sv}", &variant_iter))
3248                 goto nomem;
3249
3250         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3251                 goto nomem;
3252
3253         /* KeyMgmt */
3254         n = 0;
3255         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
3256                 key_mgmt[n++] = "wpa-psk";
3257         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
3258                 key_mgmt[n++] = "wpa-ft-psk";
3259         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
3260                 key_mgmt[n++] = "wpa-psk-sha256";
3261         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
3262                 key_mgmt[n++] = "wpa-eap";
3263         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
3264                 key_mgmt[n++] = "wpa-ft-eap";
3265         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
3266                 key_mgmt[n++] = "wpa-eap-sha256";
3267         if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
3268                 key_mgmt[n++] = "wpa-none";
3269
3270         if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
3271                                                key_mgmt, n))
3272                 goto nomem;
3273
3274         /* Group */
3275         switch (ie_data->group_cipher) {
3276         case WPA_CIPHER_WEP40:
3277                 group = "wep40";
3278                 break;
3279         case WPA_CIPHER_TKIP:
3280                 group = "tkip";
3281                 break;
3282         case WPA_CIPHER_CCMP:
3283                 group = "ccmp";
3284                 break;
3285         case WPA_CIPHER_GCMP:
3286                 group = "gcmp";
3287                 break;
3288         case WPA_CIPHER_WEP104:
3289                 group = "wep104";
3290                 break;
3291         default:
3292                 group = "";
3293                 break;
3294         }
3295
3296         if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
3297                 goto nomem;
3298
3299         /* Pairwise */
3300         n = 0;
3301         if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
3302                 pairwise[n++] = "tkip";
3303         if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
3304                 pairwise[n++] = "ccmp";
3305         if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
3306                 pairwise[n++] = "gcmp";
3307
3308         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
3309                                                pairwise, n))
3310                 goto nomem;
3311
3312         /* Management group (RSN only) */
3313         if (ie_data->proto == WPA_PROTO_RSN) {
3314                 switch (ie_data->mgmt_group_cipher) {
3315 #ifdef CONFIG_IEEE80211W
3316                 case WPA_CIPHER_AES_128_CMAC:
3317                         group = "aes128cmac";
3318                         break;
3319 #endif /* CONFIG_IEEE80211W */
3320                 default:
3321                         group = "";
3322                         break;
3323                 }
3324
3325                 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
3326                                                  group))
3327                         goto nomem;
3328         }
3329
3330         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3331                 goto nomem;
3332         if (!dbus_message_iter_close_container(iter, &variant_iter))
3333                 goto nomem;
3334
3335         return TRUE;
3336
3337 nomem:
3338         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3339         return FALSE;
3340 }
3341
3342
3343 /**
3344  * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
3345  * @iter: Pointer to incoming dbus message iter
3346  * @error: Location to store error on failure
3347  * @user_data: Function specific data
3348  * Returns: TRUE on success, FALSE on failure
3349  *
3350  * Getter for "WPA" property.
3351  */
3352 dbus_bool_t wpas_dbus_getter_bss_wpa(DBusMessageIter *iter, DBusError *error,
3353                                      void *user_data)
3354 {
3355         struct bss_handler_args *args = user_data;
3356         struct wpa_bss *res;
3357         struct wpa_ie_data wpa_data;
3358         const u8 *ie;
3359
3360         res = get_bss_helper(args, error, __func__);
3361         if (!res)
3362                 return FALSE;
3363
3364         os_memset(&wpa_data, 0, sizeof(wpa_data));
3365         ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
3366         if (ie) {
3367                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3368                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3369                                              "failed to parse WPA IE");
3370                         return FALSE;
3371                 }
3372         }
3373
3374         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3375 }
3376
3377
3378 /**
3379  * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
3380  * @iter: Pointer to incoming dbus message iter
3381  * @error: Location to store error on failure
3382  * @user_data: Function specific data
3383  * Returns: TRUE on success, FALSE on failure
3384  *
3385  * Getter for "RSN" property.
3386  */
3387 dbus_bool_t wpas_dbus_getter_bss_rsn(DBusMessageIter *iter, DBusError *error,
3388                                      void *user_data)
3389 {
3390         struct bss_handler_args *args = user_data;
3391         struct wpa_bss *res;
3392         struct wpa_ie_data wpa_data;
3393         const u8 *ie;
3394
3395         res = get_bss_helper(args, error, __func__);
3396         if (!res)
3397                 return FALSE;
3398
3399         os_memset(&wpa_data, 0, sizeof(wpa_data));
3400         ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
3401         if (ie) {
3402                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3403                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3404                                              "failed to parse RSN IE");
3405                         return FALSE;
3406                 }
3407         }
3408
3409         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3410 }
3411
3412
3413 /**
3414  * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
3415  * @iter: Pointer to incoming dbus message iter
3416  * @error: Location to store error on failure
3417  * @user_data: Function specific data
3418  * Returns: TRUE on success, FALSE on failure
3419  *
3420  * Getter for "WPS" property.
3421  */
3422 dbus_bool_t wpas_dbus_getter_bss_wps(DBusMessageIter *iter, DBusError *error,
3423                                      void *user_data)
3424 {
3425         struct bss_handler_args *args = user_data;
3426         struct wpa_bss *res;
3427 #ifdef CONFIG_WPS
3428         struct wpabuf *wps_ie;
3429 #endif /* CONFIG_WPS */
3430         DBusMessageIter iter_dict, variant_iter;
3431         const char *type = "";
3432
3433         res = get_bss_helper(args, error, __func__);
3434         if (!res)
3435                 return FALSE;
3436
3437         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3438                                               "a{sv}", &variant_iter))
3439                 goto nomem;
3440
3441         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3442                 goto nomem;
3443
3444 #ifdef CONFIG_WPS
3445         wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
3446         if (wps_ie) {
3447                 if (wps_is_selected_pbc_registrar(wps_ie))
3448                         type = "pbc";
3449                 else if (wps_is_selected_pin_registrar(wps_ie))
3450                         type = "pin";
3451         }
3452 #endif /* CONFIG_WPS */
3453
3454         if (!wpa_dbus_dict_append_string(&iter_dict, "Type", type))
3455                 goto nomem;
3456
3457         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3458                 goto nomem;
3459         if (!dbus_message_iter_close_container(iter, &variant_iter))
3460                 goto nomem;
3461
3462         return TRUE;
3463
3464 nomem:
3465         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3466         return FALSE;
3467 }
3468
3469
3470 /**
3471  * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
3472  * @iter: Pointer to incoming dbus message iter
3473  * @error: Location to store error on failure
3474  * @user_data: Function specific data
3475  * Returns: TRUE on success, FALSE on failure
3476  *
3477  * Getter for "IEs" property.
3478  */
3479 dbus_bool_t wpas_dbus_getter_bss_ies(DBusMessageIter *iter, DBusError *error,
3480                                      void *user_data)
3481 {
3482         struct bss_handler_args *args = user_data;
3483         struct wpa_bss *res;
3484
3485         res = get_bss_helper(args, error, __func__);
3486         if (!res)
3487                 return FALSE;
3488
3489         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3490                                                       res + 1, res->ie_len,
3491                                                       error);
3492 }
3493
3494
3495 /**
3496  * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
3497  * @iter: Pointer to incoming dbus message iter
3498  * @error: Location to store error on failure
3499  * @user_data: Function specific data
3500  * Returns: TRUE on success, FALSE on failure
3501  *
3502  * Getter for "enabled" property of a configured network.
3503  */
3504 dbus_bool_t wpas_dbus_getter_enabled(DBusMessageIter *iter, DBusError *error,
3505                                      void *user_data)
3506 {
3507         struct network_handler_args *net = user_data;
3508         dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
3509
3510         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3511                                                 &enabled, error);
3512 }
3513
3514
3515 /**
3516  * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
3517  * @iter: Pointer to incoming dbus message iter
3518  * @error: Location to store error on failure
3519  * @user_data: Function specific data
3520  * Returns: TRUE on success, FALSE on failure
3521  *
3522  * Setter for "Enabled" property of a configured network.
3523  */
3524 dbus_bool_t wpas_dbus_setter_enabled(DBusMessageIter *iter, DBusError *error,
3525                                      void *user_data)
3526 {
3527         struct network_handler_args *net = user_data;
3528         struct wpa_supplicant *wpa_s;
3529         struct wpa_ssid *ssid;
3530         dbus_bool_t enable;
3531
3532         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
3533                                               &enable))
3534                 return FALSE;
3535
3536         wpa_s = net->wpa_s;
3537         ssid = net->ssid;
3538
3539         if (enable)
3540                 wpa_supplicant_enable_network(wpa_s, ssid);
3541         else
3542                 wpa_supplicant_disable_network(wpa_s, ssid);
3543
3544         return TRUE;
3545 }
3546
3547
3548 /**
3549  * wpas_dbus_getter_network_properties - Get options for a configured network
3550  * @iter: Pointer to incoming dbus message iter
3551  * @error: Location to store error on failure
3552  * @user_data: Function specific data
3553  * Returns: TRUE on success, FALSE on failure
3554  *
3555  * Getter for "Properties" property of a configured network.
3556  */
3557 dbus_bool_t wpas_dbus_getter_network_properties(DBusMessageIter *iter,
3558                                                 DBusError *error,
3559                                                 void *user_data)
3560 {
3561         struct network_handler_args *net = user_data;
3562         DBusMessageIter variant_iter, dict_iter;
3563         char **iterator;
3564         char **props = wpa_config_get_all(net->ssid, 1);
3565         dbus_bool_t success = FALSE;
3566
3567         if (!props) {
3568                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3569                 return FALSE;
3570         }
3571
3572         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
3573                                               &variant_iter) ||
3574             !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
3575                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3576                 goto out;
3577         }
3578
3579         iterator = props;
3580         while (*iterator) {
3581                 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
3582                                                  *(iterator + 1))) {
3583                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3584                                              "no memory");
3585                         goto out;
3586                 }
3587                 iterator += 2;
3588         }
3589
3590
3591         if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
3592             !dbus_message_iter_close_container(iter, &variant_iter)) {
3593                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3594                 goto out;
3595         }
3596
3597         success = TRUE;
3598
3599 out:
3600         iterator = props;
3601         while (*iterator) {
3602                 os_free(*iterator);
3603                 iterator++;
3604         }
3605         os_free(props);
3606         return success;
3607 }
3608
3609
3610 /**
3611  * wpas_dbus_setter_network_properties - Set options for a configured network
3612  * @iter: Pointer to incoming dbus message iter
3613  * @error: Location to store error on failure
3614  * @user_data: Function specific data
3615  * Returns: TRUE on success, FALSE on failure
3616  *
3617  * Setter for "Properties" property of a configured network.
3618  */
3619 dbus_bool_t wpas_dbus_setter_network_properties(DBusMessageIter *iter,
3620                                                 DBusError *error,
3621                                                 void *user_data)
3622 {
3623         struct network_handler_args *net = user_data;
3624         struct wpa_ssid *ssid = net->ssid;
3625         DBusMessageIter variant_iter;
3626
3627         dbus_message_iter_recurse(iter, &variant_iter);
3628         return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
3629 }
3630
3631
3632 #ifdef CONFIG_AP
3633
3634 DBusMessage * wpas_dbus_handler_subscribe_preq(
3635         DBusMessage *message, struct wpa_supplicant *wpa_s)
3636 {
3637         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3638         char *name;
3639
3640         if (wpa_s->preq_notify_peer != NULL) {
3641                 if (os_strcmp(dbus_message_get_sender(message),
3642                               wpa_s->preq_notify_peer) == 0)
3643                         return NULL;
3644
3645                 return dbus_message_new_error(message,
3646                         WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
3647                         "Another application is already subscribed");
3648         }
3649
3650         name = os_strdup(dbus_message_get_sender(message));
3651         if (!name)
3652                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3653                                               "out of memory");
3654
3655         wpa_s->preq_notify_peer = name;
3656
3657         /* Subscribe to clean up if application closes socket */
3658         wpas_dbus_subscribe_noc(priv);
3659
3660         /*
3661          * Double-check it's still alive to make sure that we didn't
3662          * miss the NameOwnerChanged signal, e.g. while strdup'ing.
3663          */
3664         if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
3665                 /*
3666                  * Application no longer exists, clean up.
3667                  * The return value is irrelevant now.
3668                  *
3669                  * Need to check if the NameOwnerChanged handling
3670                  * already cleaned up because we have processed
3671                  * DBus messages while checking if the name still
3672                  * has an owner.
3673                  */
3674                 if (!wpa_s->preq_notify_peer)
3675                         return NULL;
3676                 os_free(wpa_s->preq_notify_peer);
3677                 wpa_s->preq_notify_peer = NULL;
3678                 wpas_dbus_unsubscribe_noc(priv);
3679         }
3680
3681         return NULL;
3682 }
3683
3684
3685 DBusMessage * wpas_dbus_handler_unsubscribe_preq(
3686         DBusMessage *message, struct wpa_supplicant *wpa_s)
3687 {
3688         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3689
3690         if (!wpa_s->preq_notify_peer)
3691                 return dbus_message_new_error(message,
3692                         WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
3693                         "Not subscribed");
3694
3695         if (os_strcmp(wpa_s->preq_notify_peer,
3696                       dbus_message_get_sender(message)))
3697                 return dbus_message_new_error(message,
3698                         WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
3699                         "Can't unsubscribe others");
3700
3701         os_free(wpa_s->preq_notify_peer);
3702         wpa_s->preq_notify_peer = NULL;
3703         wpas_dbus_unsubscribe_noc(priv);
3704         return NULL;
3705 }
3706
3707
3708 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
3709                            const u8 *addr, const u8 *dst, const u8 *bssid,
3710                            const u8 *ie, size_t ie_len, u32 ssi_signal)
3711 {
3712         DBusMessage *msg;
3713         DBusMessageIter iter, dict_iter;
3714         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3715
3716         /* Do nothing if the control interface is not turned on */
3717         if (priv == NULL)
3718                 return;
3719
3720         if (wpa_s->preq_notify_peer == NULL)
3721                 return;
3722
3723         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
3724                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
3725                                       "ProbeRequest");
3726         if (msg == NULL)
3727                 return;
3728
3729         dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
3730
3731         dbus_message_iter_init_append(msg, &iter);
3732
3733         if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
3734                 goto fail;
3735         if (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
3736                                                      (const char *) addr,
3737                                                      ETH_ALEN))
3738                 goto fail;
3739         if (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
3740                                                     (const char *) dst,
3741                                                     ETH_ALEN))
3742                 goto fail;
3743         if (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
3744                                                       (const char *) bssid,
3745                                                       ETH_ALEN))
3746                 goto fail;
3747         if (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
3748                                                              (const char *) ie,
3749                                                              ie_len))
3750                 goto fail;
3751         if (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
3752                                                       ssi_signal))
3753                 goto fail;
3754         if (!wpa_dbus_dict_close_write(&iter, &dict_iter))
3755                 goto fail;
3756
3757         dbus_connection_send(priv->con, msg, NULL);
3758         goto out;
3759 fail:
3760         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
3761 out:
3762         dbus_message_unref(msg);
3763 }
3764
3765 #endif /* CONFIG_AP */