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 "../autoscan.h"
  25 #include "dbus_new_helpers.h"
  26 #include "dbus_new.h"
  27 #include "dbus_new_handlers.h"
  28 #include "dbus_dict_helpers.h"
  29 #include "dbus_common_i.h"
  30
  31 extern int wpa_debug_level;
  32 extern int wpa_debug_show_keys;
  33 extern int wpa_debug_timestamp;
  34
  35 static const char *debug_strings[] = {
  36         "excessive", "msgdump", "debug", "info", "warning", "error", NULL
  37 };
  38
  39
  40 /**
  41  * wpas_dbus_error_unknown_error - Return a new InvalidArgs error message
  42  * @message: Pointer to incoming dbus message this error refers to
  43  * @arg: Optional string appended to error message
  44  * Returns: a dbus error message
  45  *
  46  * Convenience function to create and return an UnknownError
  47  */
  48 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
  49                                             const char *arg)
  50 {
  51         /*
  52          * This function can be called as a result of a failure
  53          * within internal getter calls, which will call this function
  54          * with a NULL message parameter.  However, dbus_message_new_error
  55          * looks very unkindly (i.e, abort()) on a NULL message, so
  56          * in this case, we should not call it.
  57          */
  58         if (message == NULL) {
  59                 wpa_printf(MSG_INFO, "dbus: wpas_dbus_error_unknown_error "
  60                            "called with NULL message (arg=%s)",
  61                            arg ? arg : "N/A");
  62                 return NULL;
  63         }
  64
  65         return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
  66                                       arg);
  67 }
  68
  69
  70 /**
  71  * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
  72  * @message: Pointer to incoming dbus message this error refers to
  73  * Returns: A dbus error message
  74  *
  75  * Convenience function to create and return an invalid interface error
  76  */
  77 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
  78 {
  79         return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
  80                                       "wpa_supplicant knows nothing about "
  81                                       "this interface.");
  82 }
  83
  84
  85 /**
  86  * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
  87  * @message: Pointer to incoming dbus message this error refers to
  88  * Returns: a dbus error message
  89  *
  90  * Convenience function to create and return an invalid network error
  91  */
  92 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
  93 {
  94         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
  95                                       "There is no such a network in this "
  96                                       "interface.");
  97 }
  98
  99
 100 /**
 101  * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
 102  * @message: Pointer to incoming dbus message this error refers to
 103  * Returns: a dbus error message
 104  *
 105  * Convenience function to create and return an invalid options error
 106  */
 107 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
 108                                           const char *arg)
 109 {
 110         DBusMessage *reply;
 111
 112         reply = dbus_message_new_error(message, WPAS_DBUS_ERROR_INVALID_ARGS,
 113                                        "Did not receive correct message "
 114                                        "arguments.");
 115         if (arg != NULL)
 116                 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
 117                                          DBUS_TYPE_INVALID);
 118
 119         return reply;
 120 }
 121
 122
 123 static const char *dont_quote[] = {
 124         "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
 125         "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
 126         "bssid", "scan_freq", "freq_list", NULL
 127 };
 128
 129 static dbus_bool_t should_quote_opt(const char *key)
 130 {
 131         int i = 0;
 132         while (dont_quote[i] != NULL) {
 133                 if (os_strcmp(key, dont_quote[i]) == 0)
 134                         return FALSE;
 135                 i++;
 136         }
 137         return TRUE;
 138 }
 139
 140 /**
 141  * get_iface_by_dbus_path - Get a new network interface
 142  * @global: Pointer to global data from wpa_supplicant_init()
 143  * @path: Pointer to a dbus object path representing an interface
 144  * Returns: Pointer to the interface or %NULL if not found
 145  */
 146 static struct wpa_supplicant * get_iface_by_dbus_path(
 147         struct wpa_global *global, const char *path)
 148 {
 149         struct wpa_supplicant *wpa_s;
 150
 151         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 152                 if (os_strcmp(wpa_s->dbus_new_path, path) == 0)
 153                         return wpa_s;
 154         }
 155         return NULL;
 156 }
 157
 158
 159 /**
 160  * set_network_properties - Set properties of a configured network
 161  * @wpa_s: wpa_supplicant structure for a network interface
 162  * @ssid: wpa_ssid structure for a configured network
 163  * @iter: DBus message iterator containing dictionary of network
 164  * properties to set.
 165  * @error: On failure, an error describing the failure
 166  * Returns: TRUE if the request succeeds, FALSE if it failed
 167  *
 168  * Sets network configuration with parameters given id DBus dictionary
 169  */
 170 dbus_bool_t set_network_properties(struct wpa_supplicant *wpa_s,
 171                                    struct wpa_ssid *ssid,
 172                                    DBusMessageIter *iter,
 173                                    DBusError *error)
 174 {
 175         struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
 176         DBusMessageIter iter_dict;
 177         char *value = NULL;
 178
 179         if (!wpa_dbus_dict_open_read(iter, &iter_dict, error))
 180                 return FALSE;
 181
 182         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 183                 size_t size = 50;
 184                 int ret;
 185
 186                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 187                         goto error;
 188
 189                 value = NULL;
 190                 if (entry.type == DBUS_TYPE_ARRAY &&
 191                     entry.array_type == DBUS_TYPE_BYTE) {
 192                         if (entry.array_len <= 0)
 193                                 goto error;
 194
 195                         size = entry.array_len * 2 + 1;
 196                         value = os_zalloc(size);
 197                         if (value == NULL)
 198                                 goto error;
 199
 200                         ret = wpa_snprintf_hex(value, size,
 201                                                (u8 *) entry.bytearray_value,
 202                                                entry.array_len);
 203                         if (ret <= 0)
 204                                 goto error;
 205                 } else if (entry.type == DBUS_TYPE_STRING) {
 206                         if (should_quote_opt(entry.key)) {
 207                                 size = os_strlen(entry.str_value);
 208                                 if (size <= 0)
 209                                         goto error;
 210
 211                                 size += 3;
 212                                 value = os_zalloc(size);
 213                                 if (value == NULL)
 214                                         goto error;
 215
 216                                 ret = os_snprintf(value, size, "\"%s\"",
 217                                                   entry.str_value);
 218                                 if (ret < 0 || (size_t) ret != (size - 1))
 219                                         goto error;
 220                         } else {
 221                                 value = os_strdup(entry.str_value);
 222                                 if (value == NULL)
 223                                         goto error;
 224                         }
 225                 } else if (entry.type == DBUS_TYPE_UINT32) {
 226                         value = os_zalloc(size);
 227                         if (value == NULL)
 228                                 goto error;
 229
 230                         ret = os_snprintf(value, size, "%u",
 231                                           entry.uint32_value);
 232                         if (ret <= 0)
 233                                 goto error;
 234                 } else if (entry.type == DBUS_TYPE_INT32) {
 235                         value = os_zalloc(size);
 236                         if (value == NULL)
 237                                 goto error;
 238
 239                         ret = os_snprintf(value, size, "%d",
 240                                           entry.int32_value);
 241                         if (ret <= 0)
 242                                 goto error;
 243                 } else
 244                         goto error;
 245
 246                 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
 247                         goto error;
 248
 249                 if ((os_strcmp(entry.key, "psk") == 0 &&
 250                      value[0] == '"' && ssid->ssid_len) ||
 251                     (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
 252                         wpa_config_update_psk(ssid);
 253                 else if (os_strcmp(entry.key, "priority") == 0)
 254                         wpa_config_update_prio_list(wpa_s->conf);
 255
 256                 os_free(value);
 257                 wpa_dbus_dict_entry_clear(&entry);
 258         }
 259
 260         return TRUE;
 261
 262 error:
 263         os_free(value);
 264         wpa_dbus_dict_entry_clear(&entry);
 265         dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
 266                              "invalid message format");
 267         return FALSE;
 268 }
 269
 270
 271 /**
 272  * wpas_dbus_simple_property_getter - Get basic type property
 273  * @iter: Message iter to use when appending arguments
 274  * @type: DBus type of property (must be basic type)
 275  * @val: pointer to place holding property value
 276  * @error: On failure an error describing the failure
 277  * Returns: TRUE if the request was successful, FALSE if it failed
 278  *
 279  * Generic getter for basic type properties. Type is required to be basic.
 280  */
 281 dbus_bool_t wpas_dbus_simple_property_getter(DBusMessageIter *iter,
 282                                              const int type,
 283                                              const void *val,
 284                                              DBusError *error)
 285 {
 286         DBusMessageIter variant_iter;
 287
 288         if (!dbus_type_is_basic(type)) {
 289                 dbus_set_error(error, DBUS_ERROR_FAILED,
 290                                "%s: given type is not basic", __func__);
 291                 return FALSE;
 292         }
 293
 294         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 295                                               wpa_dbus_type_as_string(type),
 296                                               &variant_iter))
 297                 goto error;
 298
 299         if (!dbus_message_iter_append_basic(&variant_iter, type, val))
 300                 goto error;
 301
 302         if (!dbus_message_iter_close_container(iter, &variant_iter))
 303                 goto error;
 304
 305         return TRUE;
 306
 307 error:
 308         dbus_set_error(error, DBUS_ERROR_FAILED,
 309                        "%s: error constructing reply", __func__);
 310         return FALSE;
 311 }
 312
 313
 314 /**
 315  * wpas_dbus_simple_property_setter - Set basic type property
 316  * @message: Pointer to incoming dbus message
 317  * @type: DBus type of property (must be basic type)
 318  * @val: pointer to place where value being set will be stored
 319  * Returns: TRUE if the request was successful, FALSE if it failed
 320  *
 321  * Generic setter for basic type properties. Type is required to be basic.
 322  */
 323 dbus_bool_t wpas_dbus_simple_property_setter(DBusMessageIter *iter,
 324                                              DBusError *error,
 325                                              const int type, void *val)
 326 {
 327         DBusMessageIter variant_iter;
 328
 329         if (!dbus_type_is_basic(type)) {
 330                 dbus_set_error(error, DBUS_ERROR_FAILED,
 331                                "%s: given type is not basic", __func__);
 332                 return FALSE;
 333         }
 334
 335         /* Look at the new value */
 336         dbus_message_iter_recurse(iter, &variant_iter);
 337         if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
 338                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
 339                                      "wrong property type");
 340                 return FALSE;
 341         }
 342         dbus_message_iter_get_basic(&variant_iter, val);
 343
 344         return TRUE;
 345 }
 346
 347
 348 /**
 349  * wpas_dbus_simple_array_property_getter - Get array type property
 350  * @iter: Pointer to incoming dbus message iterator
 351  * @type: DBus type of property array elements (must be basic type)
 352  * @array: pointer to array of elements to put into response message
 353  * @array_len: length of above array
 354  * @error: a pointer to an error to fill on failure
 355  * Returns: TRUE if the request succeeded, FALSE if it failed
 356  *
 357  * Generic getter for array type properties. Array elements type is
 358  * required to be basic.
 359  */
 360 dbus_bool_t wpas_dbus_simple_array_property_getter(DBusMessageIter *iter,
 361                                                    const int type,
 362                                                    const void *array,
 363                                                    size_t array_len,
 364                                                    DBusError *error)
 365 {
 366         DBusMessageIter variant_iter, array_iter;
 367         char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
 368         const char *sub_type_str;
 369         size_t element_size, i;
 370
 371         if (!dbus_type_is_basic(type)) {
 372                 dbus_set_error(error, DBUS_ERROR_FAILED,
 373                                "%s: given type is not basic", __func__);
 374                 return FALSE;
 375         }
 376
 377         sub_type_str = wpa_dbus_type_as_string(type);
 378         type_str[1] = sub_type_str[0];
 379
 380         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 381                                               type_str, &variant_iter)) {
 382                 dbus_set_error(error, DBUS_ERROR_FAILED,
 383                                "%s: failed to construct message 1", __func__);
 384                 return FALSE;
 385         }
 386
 387         if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
 388                                               sub_type_str, &array_iter)) {
 389                 dbus_set_error(error, DBUS_ERROR_FAILED,
 390                                "%s: failed to construct message 2", __func__);
 391                 return FALSE;
 392         }
 393
 394         switch(type) {
 395         case DBUS_TYPE_BYTE:
 396         case DBUS_TYPE_BOOLEAN:
 397                 element_size = 1;
 398                 break;
 399         case DBUS_TYPE_INT16:
 400         case DBUS_TYPE_UINT16:
 401                 element_size = sizeof(uint16_t);
 402                 break;
 403         case DBUS_TYPE_INT32:
 404         case DBUS_TYPE_UINT32:
 405                 element_size = sizeof(uint32_t);
 406                 break;
 407         case DBUS_TYPE_INT64:
 408         case DBUS_TYPE_UINT64:
 409                 element_size = sizeof(uint64_t);
 410                 break;
 411         case DBUS_TYPE_DOUBLE:
 412                 element_size = sizeof(double);
 413                 break;
 414         case DBUS_TYPE_STRING:
 415         case DBUS_TYPE_OBJECT_PATH:
 416                 element_size = sizeof(char *);
 417                 break;
 418         default:
 419                 dbus_set_error(error, DBUS_ERROR_FAILED,
 420                                "%s: unknown element type %d", __func__, type);
 421                 return FALSE;
 422         }
 423
 424         for (i = 0; i < array_len; i++) {
 425                 dbus_message_iter_append_basic(&array_iter, type,
 426                                                array + i * element_size);
 427         }
 428
 429         if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
 430                 dbus_set_error(error, DBUS_ERROR_FAILED,
 431                                "%s: failed to construct message 3", __func__);
 432                 return FALSE;
 433         }
 434
 435         if (!dbus_message_iter_close_container(iter, &variant_iter)) {
 436                 dbus_set_error(error, DBUS_ERROR_FAILED,
 437                                "%s: failed to construct message 4", __func__);
 438                 return FALSE;
 439         }
 440
 441         return TRUE;
 442 }
 443
 444
 445 /**
 446  * wpas_dbus_simple_array_array_property_getter - Get array array type property
 447  * @iter: Pointer to incoming dbus message iterator
 448  * @type: DBus type of property array elements (must be basic type)
 449  * @array: pointer to array of elements to put into response message
 450  * @array_len: length of above array
 451  * @error: a pointer to an error to fill on failure
 452  * Returns: TRUE if the request succeeded, FALSE if it failed
 453  *
 454  * Generic getter for array type properties. Array elements type is
 455  * required to be basic.
 456  */
 457 dbus_bool_t wpas_dbus_simple_array_array_property_getter(DBusMessageIter *iter,
 458                                                          const int type,
 459                                                          struct wpabuf **array,
 460                                                          size_t array_len,
 461                                                          DBusError *error)
 462 {
 463         DBusMessageIter variant_iter, array_iter;
 464         char type_str[] = "aa?";
 465         char inner_type_str[] = "a?";
 466         const char *sub_type_str;
 467         size_t i;
 468
 469         if (!dbus_type_is_basic(type)) {
 470                 dbus_set_error(error, DBUS_ERROR_FAILED,
 471                                "%s: given type is not basic", __func__);
 472                 return FALSE;
 473         }
 474
 475         sub_type_str = wpa_dbus_type_as_string(type);
 476         type_str[2] = sub_type_str[0];
 477         inner_type_str[1] = sub_type_str[0];
 478
 479         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 480                                               type_str, &variant_iter)) {
 481                 dbus_set_error(error, DBUS_ERROR_FAILED,
 482                                "%s: failed to construct message 1", __func__);
 483                 return FALSE;
 484         }
 485         if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
 486                                               inner_type_str, &array_iter)) {
 487                 dbus_set_error(error, DBUS_ERROR_FAILED,
 488                                "%s: failed to construct message 2", __func__);
 489                 return FALSE;
 490         }
 491
 492         for (i = 0; i < array_len; i++) {
 493                 wpa_dbus_dict_bin_array_add_element(&array_iter,
 494                                                     wpabuf_head(array[i]),
 495                                                     wpabuf_len(array[i]));
 496
 497         }
 498
 499         if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
 500                 dbus_set_error(error, DBUS_ERROR_FAILED,
 501                                "%s: failed to close message 2", __func__);
 502                 return FALSE;
 503         }
 504
 505         if (!dbus_message_iter_close_container(iter, &variant_iter)) {
 506                 dbus_set_error(error, DBUS_ERROR_FAILED,
 507                                "%s: failed to close message 1", __func__);
 508                 return FALSE;
 509         }
 510
 511         return TRUE;
 512 }
 513
 514
 515 /**
 516  * wpas_dbus_handler_create_interface - Request registration of a network iface
 517  * @message: Pointer to incoming dbus message
 518  * @global: %wpa_supplicant global data structure
 519  * Returns: The object path of the new interface object,
 520  *          or a dbus error message with more information
 521  *
 522  * Handler function for "CreateInterface" method call. Handles requests
 523  * by dbus clients to register a network interface that wpa_supplicant
 524  * will manage.
 525  */
 526 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
 527                                                  struct wpa_global *global)
 528 {
 529         DBusMessageIter iter_dict;
 530         DBusMessage *reply = NULL;
 531         DBusMessageIter iter;
 532         struct wpa_dbus_dict_entry entry;
 533         char *driver = NULL;
 534         char *ifname = NULL;
 535         char *confname = NULL;
 536         char *bridge_ifname = NULL;
 537
 538         dbus_message_iter_init(message, &iter);
 539
 540         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 541                 goto error;
 542         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 543                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 544                         goto error;
 545                 if (!os_strcmp(entry.key, "Driver") &&
 546                     (entry.type == DBUS_TYPE_STRING)) {
 547                         driver = os_strdup(entry.str_value);
 548                         wpa_dbus_dict_entry_clear(&entry);
 549                         if (driver == NULL)
 550                                 goto error;
 551                 } else if (!os_strcmp(entry.key, "Ifname") &&
 552                            (entry.type == DBUS_TYPE_STRING)) {
 553                         ifname = os_strdup(entry.str_value);
 554                         wpa_dbus_dict_entry_clear(&entry);
 555                         if (ifname == NULL)
 556                                 goto error;
 557                 } else if (!os_strcmp(entry.key, "ConfigFile") &&
 558                            (entry.type == DBUS_TYPE_STRING)) {
 559                         confname = os_strdup(entry.str_value);
 560                         wpa_dbus_dict_entry_clear(&entry);
 561                         if (confname == NULL)
 562                                 goto error;
 563                 } else if (!os_strcmp(entry.key, "BridgeIfname") &&
 564                            (entry.type == DBUS_TYPE_STRING)) {
 565                         bridge_ifname = os_strdup(entry.str_value);
 566                         wpa_dbus_dict_entry_clear(&entry);
 567                         if (bridge_ifname == NULL)
 568                                 goto error;
 569                 } else {
 570                         wpa_dbus_dict_entry_clear(&entry);
 571                         goto error;
 572                 }
 573         }
 574
 575         if (ifname == NULL)
 576                 goto error; /* Required Ifname argument missing */
 577
 578         /*
 579          * Try to get the wpa_supplicant record for this iface, return
 580          * an error if we already control it.
 581          */
 582         if (wpa_supplicant_get_iface(global, ifname) != NULL) {
 583                 reply = dbus_message_new_error(message,
 584                                                WPAS_DBUS_ERROR_IFACE_EXISTS,
 585                                                "wpa_supplicant already "
 586                                                "controls this interface.");
 587         } else {
 588                 struct wpa_supplicant *wpa_s;
 589                 struct wpa_interface iface;
 590                 os_memset(&iface, 0, sizeof(iface));
 591                 iface.driver = driver;
 592                 iface.ifname = ifname;
 593                 iface.confname = confname;
 594                 iface.bridge_ifname = bridge_ifname;
 595                 /* Otherwise, have wpa_supplicant attach to it. */
 596                 if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
 597                         const char *path = wpa_s->dbus_new_path;
 598                         reply = dbus_message_new_method_return(message);
 599                         dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
 600                                                  &path, DBUS_TYPE_INVALID);
 601                 } else {
 602                         reply = wpas_dbus_error_unknown_error(
 603                                 message, "wpa_supplicant couldn't grab this "
 604                                 "interface.");
 605                 }
 606         }
 607
 608 out:
 609         os_free(driver);
 610         os_free(ifname);
 611         os_free(confname);
 612         os_free(bridge_ifname);
 613         return reply;
 614
 615 error:
 616         reply = wpas_dbus_error_invalid_args(message, NULL);
 617         goto out;
 618 }
 619
 620
 621 /**
 622  * wpas_dbus_handler_remove_interface - Request deregistration of an interface
 623  * @message: Pointer to incoming dbus message
 624  * @global: wpa_supplicant global data structure
 625  * Returns: a dbus message containing a UINT32 indicating success (1) or
 626  *          failure (0), or returns a dbus error message with more information
 627  *
 628  * Handler function for "removeInterface" method call.  Handles requests
 629  * by dbus clients to deregister a network interface that wpa_supplicant
 630  * currently manages.
 631  */
 632 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
 633                                                  struct wpa_global *global)
 634 {
 635         struct wpa_supplicant *wpa_s;
 636         char *path;
 637         DBusMessage *reply = NULL;
 638
 639         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
 640                               DBUS_TYPE_INVALID);
 641
 642         wpa_s = get_iface_by_dbus_path(global, path);
 643         if (wpa_s == NULL)
 644                 reply = wpas_dbus_error_iface_unknown(message);
 645         else if (wpa_supplicant_remove_iface(global, wpa_s, 0)) {
 646                 reply = wpas_dbus_error_unknown_error(
 647                         message, "wpa_supplicant couldn't remove this "
 648                         "interface.");
 649         }
 650
 651         return reply;
 652 }
 653
 654
 655 /**
 656  * wpas_dbus_handler_get_interface - Get the object path for an interface name
 657  * @message: Pointer to incoming dbus message
 658  * @global: %wpa_supplicant global data structure
 659  * Returns: The object path of the interface object,
 660  *          or a dbus error message with more information
 661  *
 662  * Handler function for "getInterface" method call.
 663  */
 664 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
 665                                               struct wpa_global *global)
 666 {
 667         DBusMessage *reply = NULL;
 668         const char *ifname;
 669         const char *path;
 670         struct wpa_supplicant *wpa_s;
 671
 672         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
 673                               DBUS_TYPE_INVALID);
 674
 675         wpa_s = wpa_supplicant_get_iface(global, ifname);
 676         if (wpa_s == NULL)
 677                 return wpas_dbus_error_iface_unknown(message);
 678
 679         path = wpa_s->dbus_new_path;
 680         reply = dbus_message_new_method_return(message);
 681         if (reply == NULL)
 682                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
 683                                               NULL);
 684         if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
 685                                       DBUS_TYPE_INVALID)) {
 686                 dbus_message_unref(reply);
 687                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
 688                                               NULL);
 689         }
 690
 691         return reply;
 692 }
 693
 694
 695 /**
 696  * wpas_dbus_getter_debug_level - Get debug level
 697  * @iter: Pointer to incoming dbus message iter
 698  * @error: Location to store error on failure
 699  * @user_data: Function specific data
 700  * Returns: TRUE on success, FALSE on failure
 701  *
 702  * Getter for "DebugLevel" property.
 703  */
 704 dbus_bool_t wpas_dbus_getter_debug_level(DBusMessageIter *iter,
 705                                          DBusError *error,
 706                                          void *user_data)
 707 {
 708         const char *str;
 709         int idx = wpa_debug_level;
 710
 711         if (idx < 0)
 712                 idx = 0;
 713         if (idx > 5)
 714                 idx = 5;
 715         str = debug_strings[idx];
 716         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
 717                                                 &str, error);
 718 }
 719
 720
 721 /**
 722  * wpas_dbus_getter_debug_timestamp - Get debug timestamp
 723  * @iter: Pointer to incoming dbus message iter
 724  * @error: Location to store error on failure
 725  * @user_data: Function specific data
 726  * Returns: TRUE on success, FALSE on failure
 727  *
 728  * Getter for "DebugTimestamp" property.
 729  */
 730 dbus_bool_t wpas_dbus_getter_debug_timestamp(DBusMessageIter *iter,
 731                                              DBusError *error,
 732                                              void *user_data)
 733 {
 734         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
 735                                                 &wpa_debug_timestamp, error);
 736
 737 }
 738
 739
 740 /**
 741  * wpas_dbus_getter_debug_show_keys - Get debug show keys
 742  * @iter: Pointer to incoming dbus message iter
 743  * @error: Location to store error on failure
 744  * @user_data: Function specific data
 745  * Returns: TRUE on success, FALSE on failure
 746  *
 747  * Getter for "DebugShowKeys" property.
 748  */
 749 dbus_bool_t wpas_dbus_getter_debug_show_keys(DBusMessageIter *iter,
 750                                              DBusError *error,
 751                                              void *user_data)
 752 {
 753         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
 754                                                 &wpa_debug_show_keys, error);
 755
 756 }
 757
 758 /**
 759  * wpas_dbus_setter_debug_level - Set debug level
 760  * @iter: Pointer to incoming dbus message iter
 761  * @error: Location to store error on failure
 762  * @user_data: Function specific data
 763  * Returns: TRUE on success, FALSE on failure
 764  *
 765  * Setter for "DebugLevel" property.
 766  */
 767 dbus_bool_t wpas_dbus_setter_debug_level(DBusMessageIter *iter,
 768                                          DBusError *error, void *user_data)
 769 {
 770         struct wpa_global *global = user_data;
 771         const char *str = NULL;
 772         int i, val = -1;
 773
 774         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
 775                                               &str))
 776                 return FALSE;
 777
 778         for (i = 0; debug_strings[i]; i++)
 779                 if (os_strcmp(debug_strings[i], str) == 0) {
 780                         val = i;
 781                         break;
 782                 }
 783
 784         if (val < 0 ||
 785             wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
 786                                             wpa_debug_show_keys)) {
 787                 dbus_set_error_const(error, DBUS_ERROR_FAILED, "wrong debug "
 788                                      "level value");
 789                 return FALSE;
 790         }
 791
 792         return TRUE;
 793 }
 794
 795
 796 /**
 797  * wpas_dbus_setter_debug_timestamp - Set debug timestamp
 798  * @iter: Pointer to incoming dbus message iter
 799  * @error: Location to store error on failure
 800  * @user_data: Function specific data
 801  * Returns: TRUE on success, FALSE on failure
 802  *
 803  * Setter for "DebugTimestamp" property.
 804  */
 805 dbus_bool_t wpas_dbus_setter_debug_timestamp(DBusMessageIter *iter,
 806                                              DBusError *error,
 807                                              void *user_data)
 808 {
 809         struct wpa_global *global = user_data;
 810         dbus_bool_t val;
 811
 812         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
 813                                               &val))
 814                 return FALSE;
 815
 816         wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
 817                                         wpa_debug_show_keys);
 818         return TRUE;
 819 }
 820
 821
 822 /**
 823  * wpas_dbus_setter_debug_show_keys - Set debug show keys
 824  * @iter: Pointer to incoming dbus message iter
 825  * @error: Location to store error on failure
 826  * @user_data: Function specific data
 827  * Returns: TRUE on success, FALSE on failure
 828  *
 829  * Setter for "DebugShowKeys" property.
 830  */
 831 dbus_bool_t wpas_dbus_setter_debug_show_keys(DBusMessageIter *iter,
 832                                              DBusError *error,
 833                                              void *user_data)
 834 {
 835         struct wpa_global *global = user_data;
 836         dbus_bool_t val;
 837
 838         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
 839                                               &val))
 840                 return FALSE;
 841
 842         wpa_supplicant_set_debug_params(global, wpa_debug_level,
 843                                         wpa_debug_timestamp,
 844                                         val ? 1 : 0);
 845         return TRUE;
 846 }
 847
 848
 849 /**
 850  * wpas_dbus_getter_interfaces - Request registered interfaces list
 851  * @iter: Pointer to incoming dbus message iter
 852  * @error: Location to store error on failure
 853  * @user_data: Function specific data
 854  * Returns: TRUE on success, FALSE on failure
 855  *
 856  * Getter for "Interfaces" property. Handles requests
 857  * by dbus clients to return list of registered interfaces objects
 858  * paths
 859  */
 860 dbus_bool_t wpas_dbus_getter_interfaces(DBusMessageIter *iter,
 861                                         DBusError *error,
 862                                         void *user_data)
 863 {
 864         struct wpa_global *global = user_data;
 865         struct wpa_supplicant *wpa_s;
 866         const char **paths;
 867         unsigned int i = 0, num = 0;
 868         dbus_bool_t success;
 869
 870         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 871                 num++;
 872
 873         paths = os_calloc(num, sizeof(char *));
 874         if (!paths) {
 875                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 876                 return FALSE;
 877         }
 878
 879         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 880                 paths[i++] = wpa_s->dbus_new_path;
 881
 882         success = wpas_dbus_simple_array_property_getter(iter,
 883                                                          DBUS_TYPE_OBJECT_PATH,
 884                                                          paths, num, error);
 885
 886         os_free(paths);
 887         return success;
 888 }
 889
 890
 891 /**
 892  * wpas_dbus_getter_eap_methods - Request supported EAP methods list
 893  * @iter: Pointer to incoming dbus message iter
 894  * @error: Location to store error on failure
 895  * @user_data: Function specific data
 896  * Returns: TRUE on success, FALSE on failure
 897  *
 898  * Getter for "EapMethods" property. Handles requests
 899  * by dbus clients to return list of strings with supported EAP methods
 900  */
 901 dbus_bool_t wpas_dbus_getter_eap_methods(DBusMessageIter *iter,
 902                                          DBusError *error, void *user_data)
 903 {
 904         char **eap_methods;
 905         size_t num_items = 0;
 906         dbus_bool_t success;
 907
 908         eap_methods = eap_get_names_as_string_array(&num_items);
 909         if (!eap_methods) {
 910                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 911                 return FALSE;
 912         }
 913
 914         success = wpas_dbus_simple_array_property_getter(iter,
 915                                                          DBUS_TYPE_STRING,
 916                                                          eap_methods,
 917                                                          num_items, error);
 918
 919         while (num_items)
 920                 os_free(eap_methods[--num_items]);
 921         os_free(eap_methods);
 922         return success;
 923 }
 924
 925
 926 /**
 927  * wpas_dbus_getter_global_capabilities - Request supported global capabilities
 928  * @iter: Pointer to incoming dbus message iter
 929  * @error: Location to store error on failure
 930  * @user_data: Function specific data
 931  * Returns: TRUE on success, FALSE on failure
 932  *
 933  * Getter for "Capabilities" property. Handles requests by dbus clients to
 934  * return a list of strings with supported capabilities like AP, RSN IBSS,
 935  * and P2P that are determined at compile time.
 936  */
 937 dbus_bool_t wpas_dbus_getter_global_capabilities(DBusMessageIter *iter,
 938                                                  DBusError *error,
 939                                                  void *user_data)
 940 {
 941         const char *capabilities[5] = { NULL, NULL, NULL, NULL, NULL };
 942         size_t num_items = 0;
 943
 944 #ifdef CONFIG_AP
 945         capabilities[num_items++] = "ap";
 946 #endif /* CONFIG_AP */
 947 #ifdef CONFIG_IBSS_RSN
 948         capabilities[num_items++] = "ibss-rsn";
 949 #endif /* CONFIG_IBSS_RSN */
 950 #ifdef CONFIG_P2P
 951         capabilities[num_items++] = "p2p";
 952 #endif /* CONFIG_P2P */
 953 #ifdef CONFIG_INTERWORKING
 954         capabilities[num_items++] = "interworking";
 955 #endif /* CONFIG_INTERWORKING */
 956
 957         return wpas_dbus_simple_array_property_getter(iter,
 958                                                       DBUS_TYPE_STRING,
 959                                                       capabilities,
 960                                                       num_items, error);
 961 }
 962
 963
 964 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
 965                                    char **type, DBusMessage **reply)
 966 {
 967         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
 968                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
 969                            "Type must be a string");
 970                 *reply = wpas_dbus_error_invalid_args(
 971                         message, "Wrong Type value type. String required");
 972                 return -1;
 973         }
 974         dbus_message_iter_get_basic(var, type);
 975         return 0;
 976 }
 977
 978
 979 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
 980                                     struct wpa_driver_scan_params *params,
 981                                     DBusMessage **reply)
 982 {
 983         struct wpa_driver_scan_ssid *ssids = params->ssids;
 984         size_t ssids_num = 0;
 985         u8 *ssid;
 986         DBusMessageIter array_iter, sub_array_iter;
 987         char *val;
 988         int len;
 989
 990         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
 991                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
 992                            "must be an array of arrays of bytes");
 993                 *reply = wpas_dbus_error_invalid_args(
 994                         message, "Wrong SSIDs value type. Array of arrays of "
 995                         "bytes required");
 996                 return -1;
 997         }
 998
 999         dbus_message_iter_recurse(var, &array_iter);
1000
1001         if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1002             dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1003         {
1004                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
1005                            "must be an array of arrays of bytes");
1006                 *reply = wpas_dbus_error_invalid_args(
1007                         message, "Wrong SSIDs value type. Array of arrays of "
1008                         "bytes required");
1009                 return -1;
1010         }
1011
1012         while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1013         {
1014                 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
1015                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1016                                    "Too many ssids specified on scan dbus "
1017                                    "call");
1018                         *reply = wpas_dbus_error_invalid_args(
1019                                 message, "Too many ssids specified. Specify "
1020                                 "at most four");
1021                         return -1;
1022                 }
1023
1024                 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1025
1026                 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1027
1028                 if (len > MAX_SSID_LEN) {
1029                         wpa_printf(MSG_DEBUG,
1030                                    "wpas_dbus_handler_scan[dbus]: "
1031                                    "SSID too long (len=%d max_len=%d)",
1032                                    len, MAX_SSID_LEN);
1033                         *reply = wpas_dbus_error_invalid_args(
1034                                 message, "Invalid SSID: too long");
1035                         return -1;
1036                 }
1037
1038                 if (len != 0) {
1039                         ssid = os_malloc(len);
1040                         if (ssid == NULL) {
1041                                 wpa_printf(MSG_DEBUG,
1042                                            "wpas_dbus_handler_scan[dbus]: "
1043                                            "out of memory. Cannot allocate "
1044                                            "memory for SSID");
1045                                 *reply = dbus_message_new_error(
1046                                         message, DBUS_ERROR_NO_MEMORY, NULL);
1047                                 return -1;
1048                         }
1049                         os_memcpy(ssid, val, len);
1050                 } else {
1051                         /* Allow zero-length SSIDs */
1052                         ssid = NULL;
1053                 }
1054
1055                 ssids[ssids_num].ssid = ssid;
1056                 ssids[ssids_num].ssid_len = len;
1057
1058                 dbus_message_iter_next(&array_iter);
1059                 ssids_num++;
1060         }
1061
1062         params->num_ssids = ssids_num;
1063         return 0;
1064 }
1065
1066
1067 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
1068                                   struct wpa_driver_scan_params *params,
1069                                   DBusMessage **reply)
1070 {
1071         u8 *ies = NULL, *nies;
1072         int ies_len = 0;
1073         DBusMessageIter array_iter, sub_array_iter;
1074         char *val;
1075         int len;
1076
1077         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1078                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1079                            "be an array of arrays of bytes");
1080                 *reply = wpas_dbus_error_invalid_args(
1081                         message, "Wrong IEs value type. Array of arrays of "
1082                         "bytes required");
1083                 return -1;
1084         }
1085
1086         dbus_message_iter_recurse(var, &array_iter);
1087
1088         if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1089             dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1090         {
1091                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1092                            "be an array of arrays of bytes");
1093                 *reply = wpas_dbus_error_invalid_args(
1094                         message, "Wrong IEs value type. Array required");
1095                 return -1;
1096         }
1097
1098         while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1099         {
1100                 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1101
1102                 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1103                 if (len == 0) {
1104                         dbus_message_iter_next(&array_iter);
1105                         continue;
1106                 }
1107
1108                 nies = os_realloc(ies, ies_len + len);
1109                 if (nies == NULL) {
1110                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1111                                    "out of memory. Cannot allocate memory for "
1112                                    "IE");
1113                         os_free(ies);
1114                         *reply = dbus_message_new_error(
1115                                 message, DBUS_ERROR_NO_MEMORY, NULL);
1116                         return -1;
1117                 }
1118                 ies = nies;
1119                 os_memcpy(ies + ies_len, val, len);
1120                 ies_len += len;
1121
1122                 dbus_message_iter_next(&array_iter);
1123         }
1124
1125         params->extra_ies = ies;
1126         params->extra_ies_len = ies_len;
1127         return 0;
1128 }
1129
1130
1131 static int wpas_dbus_get_scan_channels(DBusMessage *message,
1132                                        DBusMessageIter *var,
1133                                        struct wpa_driver_scan_params *params,
1134                                        DBusMessage **reply)
1135 {
1136         DBusMessageIter array_iter, sub_array_iter;
1137         int *freqs = NULL, *nfreqs;
1138         int freqs_num = 0;
1139
1140         if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1141                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1142                            "Channels must be an array of structs");
1143                 *reply = wpas_dbus_error_invalid_args(
1144                         message, "Wrong Channels value type. Array of structs "
1145                         "required");
1146                 return -1;
1147         }
1148
1149         dbus_message_iter_recurse(var, &array_iter);
1150
1151         if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
1152                 wpa_printf(MSG_DEBUG,
1153                            "wpas_dbus_handler_scan[dbus]: Channels must be an "
1154                            "array of structs");
1155                 *reply = wpas_dbus_error_invalid_args(
1156                         message, "Wrong Channels value type. Array of structs "
1157                         "required");
1158                 return -1;
1159         }
1160
1161         while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
1162         {
1163                 int freq, width;
1164
1165                 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1166
1167                 if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
1168                     DBUS_TYPE_UINT32) {
1169                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1170                                    "Channel must by specified by struct of "
1171                                    "two UINT32s %c",
1172                                    dbus_message_iter_get_arg_type(
1173                                            &sub_array_iter));
1174                         *reply = wpas_dbus_error_invalid_args(
1175                                 message, "Wrong Channel struct. Two UINT32s "
1176                                 "required");
1177                         os_free(freqs);
1178                         return -1;
1179                 }
1180                 dbus_message_iter_get_basic(&sub_array_iter, &freq);
1181
1182                 if (!dbus_message_iter_next(&sub_array_iter) ||
1183                     dbus_message_iter_get_arg_type(&sub_array_iter) !=
1184                     DBUS_TYPE_UINT32) {
1185                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1186                                    "Channel must by specified by struct of "
1187                                    "two UINT32s");
1188                         *reply = wpas_dbus_error_invalid_args(
1189                                 message,
1190                                 "Wrong Channel struct. Two UINT32s required");
1191                         os_free(freqs);
1192                         return -1;
1193                 }
1194
1195                 dbus_message_iter_get_basic(&sub_array_iter, &width);
1196
1197 #define FREQS_ALLOC_CHUNK 32
1198                 if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
1199                         nfreqs = os_realloc_array(
1200                                 freqs, freqs_num + FREQS_ALLOC_CHUNK,
1201                                 sizeof(int));
1202                         if (nfreqs == NULL)
1203                                 os_free(freqs);
1204                         freqs = nfreqs;
1205                 }
1206                 if (freqs == NULL) {
1207                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1208                                    "out of memory. can't allocate memory for "
1209                                    "freqs");
1210                         *reply = dbus_message_new_error(
1211                                 message, DBUS_ERROR_NO_MEMORY, NULL);
1212                         return -1;
1213                 }
1214
1215                 freqs[freqs_num] = freq;
1216
1217                 freqs_num++;
1218                 dbus_message_iter_next(&array_iter);
1219         }
1220
1221         nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
1222         if (nfreqs == NULL)
1223                 os_free(freqs);
1224         freqs = nfreqs;
1225         if (freqs == NULL) {
1226                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1227                            "out of memory. Can't allocate memory for freqs");
1228                 *reply = dbus_message_new_error(
1229                         message, DBUS_ERROR_NO_MEMORY, NULL);
1230                 return -1;
1231         }
1232         freqs[freqs_num] = 0;
1233
1234         params->freqs = freqs;
1235         return 0;
1236 }
1237
1238
1239 /**
1240  * wpas_dbus_handler_scan - Request a wireless scan on an interface
1241  * @message: Pointer to incoming dbus message
1242  * @wpa_s: wpa_supplicant structure for a network interface
1243  * Returns: NULL indicating success or DBus error message on failure
1244  *
1245  * Handler function for "Scan" method call of a network device. Requests
1246  * that wpa_supplicant perform a wireless scan as soon as possible
1247  * on a particular wireless interface.
1248  */
1249 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
1250                                      struct wpa_supplicant *wpa_s)
1251 {
1252         DBusMessage *reply = NULL;
1253         DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
1254         char *key = NULL, *type = NULL;
1255         struct wpa_driver_scan_params params;
1256         size_t i;
1257
1258         os_memset(&params, 0, sizeof(params));
1259
1260         dbus_message_iter_init(message, &iter);
1261
1262         dbus_message_iter_recurse(&iter, &dict_iter);
1263
1264         while (dbus_message_iter_get_arg_type(&dict_iter) ==
1265                         DBUS_TYPE_DICT_ENTRY) {
1266                 dbus_message_iter_recurse(&dict_iter, &entry_iter);
1267                 dbus_message_iter_get_basic(&entry_iter, &key);
1268                 dbus_message_iter_next(&entry_iter);
1269                 dbus_message_iter_recurse(&entry_iter, &variant_iter);
1270
1271                 if (os_strcmp(key, "Type") == 0) {
1272                         if (wpas_dbus_get_scan_type(message, &variant_iter,
1273                                                     &type, &reply) < 0)
1274                                 goto out;
1275                 } else if (os_strcmp(key, "SSIDs") == 0) {
1276                         if (wpas_dbus_get_scan_ssids(message, &variant_iter,
1277                                                      &params, &reply) < 0)
1278                                 goto out;
1279                 } else if (os_strcmp(key, "IEs") == 0) {
1280                         if (wpas_dbus_get_scan_ies(message, &variant_iter,
1281                                                    &params, &reply) < 0)
1282                                 goto out;
1283                 } else if (os_strcmp(key, "Channels") == 0) {
1284                         if (wpas_dbus_get_scan_channels(message, &variant_iter,
1285                                                         &params, &reply) < 0)
1286                                 goto out;
1287                 } else {
1288                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1289                                    "Unknown argument %s", key);
1290                         reply = wpas_dbus_error_invalid_args(message, key);
1291                         goto out;
1292                 }
1293
1294                 dbus_message_iter_next(&dict_iter);
1295         }
1296
1297         if (!type) {
1298                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1299                            "Scan type not specified");
1300                 reply = wpas_dbus_error_invalid_args(message, key);
1301                 goto out;
1302         }
1303
1304         if (!os_strcmp(type, "passive")) {
1305                 if (params.num_ssids || params.extra_ies_len) {
1306                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1307                                    "SSIDs or IEs specified for passive scan.");
1308                         reply = wpas_dbus_error_invalid_args(
1309                                 message, "You can specify only Channels in "
1310                                 "passive scan");
1311                         goto out;
1312                 } else if (params.freqs && params.freqs[0]) {
1313                         wpa_supplicant_trigger_scan(wpa_s, &params);
1314                 } else {
1315                         wpa_s->scan_req = MANUAL_SCAN_REQ;
1316                         wpa_supplicant_req_scan(wpa_s, 0, 0);
1317                 }
1318         } else if (!os_strcmp(type, "active")) {
1319                 if (!params.num_ssids) {
1320                         /* Add wildcard ssid */
1321                         params.num_ssids++;
1322                 }
1323 #ifdef CONFIG_AUTOSCAN
1324                 autoscan_deinit(wpa_s);
1325 #endif /* CONFIG_AUTOSCAN */
1326                 wpa_supplicant_trigger_scan(wpa_s, &params);
1327         } else {
1328                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1329                            "Unknown scan type: %s", type);
1330                 reply = wpas_dbus_error_invalid_args(message,
1331                                                      "Wrong scan type");
1332                 goto out;
1333         }
1334
1335 out:
1336         for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
1337                 os_free((u8 *) params.ssids[i].ssid);
1338         os_free((u8 *) params.extra_ies);
1339         os_free(params.freqs);
1340         return reply;
1341 }
1342
1343
1344 /*
1345  * wpas_dbus_handler_disconnect - Terminate the current connection
1346  * @message: Pointer to incoming dbus message
1347  * @wpa_s: wpa_supplicant structure for a network interface
1348  * Returns: NotConnected DBus error message if already not connected
1349  * or NULL otherwise.
1350  *
1351  * Handler function for "Disconnect" method call of network interface.
1352  */
1353 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
1354                                            struct wpa_supplicant *wpa_s)
1355 {
1356         if (wpa_s->current_ssid != NULL) {
1357                 wpa_s->disconnected = 1;
1358                 wpa_supplicant_deauthenticate(wpa_s,
1359                                               WLAN_REASON_DEAUTH_LEAVING);
1360
1361                 return NULL;
1362         }
1363
1364         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1365                                       "This interface is not connected");
1366 }
1367
1368
1369 /**
1370  * wpas_dbus_new_iface_add_network - Add a new configured network
1371  * @message: Pointer to incoming dbus message
1372  * @wpa_s: wpa_supplicant structure for a network interface
1373  * Returns: A dbus message containing the object path of the new network
1374  *
1375  * Handler function for "AddNetwork" method call of a network interface.
1376  */
1377 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
1378                                             struct wpa_supplicant *wpa_s)
1379 {
1380         DBusMessage *reply = NULL;
1381         DBusMessageIter iter;
1382         struct wpa_ssid *ssid = NULL;
1383         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
1384         DBusError error;
1385
1386         dbus_message_iter_init(message, &iter);
1387
1388         ssid = wpa_config_add_network(wpa_s->conf);
1389         if (ssid == NULL) {
1390                 wpa_printf(MSG_ERROR, "wpas_dbus_handler_add_network[dbus]: "
1391                            "can't add new interface.");
1392                 reply = wpas_dbus_error_unknown_error(
1393                         message,
1394                         "wpa_supplicant could not add "
1395                         "a network on this interface.");
1396                 goto err;
1397         }
1398         wpas_notify_network_added(wpa_s, ssid);
1399         ssid->disabled = 1;
1400         wpa_config_set_network_defaults(ssid);
1401
1402         dbus_error_init(&error);
1403         if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
1404                 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_add_network[dbus]:"
1405                            "control interface couldn't set network "
1406                            "properties");
1407                 reply = wpas_dbus_reply_new_from_error(message, &error,
1408                                                        DBUS_ERROR_INVALID_ARGS,
1409                                                        "Failed to add network");
1410                 dbus_error_free(&error);
1411                 goto err;
1412         }
1413
1414         /* Construct the object path for this network. */
1415         os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1416                     "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
1417                     wpa_s->dbus_new_path, ssid->id);
1418
1419         reply = dbus_message_new_method_return(message);
1420         if (reply == NULL) {
1421                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1422                                                NULL);
1423                 goto err;
1424         }
1425         if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1426                                       DBUS_TYPE_INVALID)) {
1427                 dbus_message_unref(reply);
1428                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1429                                                NULL);
1430                 goto err;
1431         }
1432
1433         return reply;
1434
1435 err:
1436         if (ssid) {
1437                 wpas_notify_network_removed(wpa_s, ssid);
1438                 wpa_config_remove_network(wpa_s->conf, ssid->id);
1439         }
1440         return reply;
1441 }
1442
1443
1444 /**
1445  * wpas_dbus_handler_reassociate - Reassociate to current AP
1446  * @message: Pointer to incoming dbus message
1447  * @wpa_s: wpa_supplicant structure for a network interface
1448  * Returns: NotConnected DBus error message if not connected
1449  * or NULL otherwise.
1450  *
1451  * Handler function for "Reassociate" method call of network interface.
1452  */
1453 DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
1454                                             struct wpa_supplicant *wpa_s)
1455 {
1456         if (wpa_s->current_ssid != NULL) {
1457                 wpas_request_connection(wpa_s);
1458                 return NULL;
1459         }
1460
1461         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1462                                       "This interface is not connected");
1463 }
1464
1465
1466 /**
1467  * wpas_dbus_handler_remove_network - Remove a configured network
1468  * @message: Pointer to incoming dbus message
1469  * @wpa_s: wpa_supplicant structure for a network interface
1470  * Returns: NULL on success or dbus error on failure
1471  *
1472  * Handler function for "RemoveNetwork" method call of a network interface.
1473  */
1474 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1475                                                struct wpa_supplicant *wpa_s)
1476 {
1477         DBusMessage *reply = NULL;
1478         const char *op;
1479         char *iface = NULL, *net_id = NULL;
1480         int id;
1481         struct wpa_ssid *ssid;
1482         int was_disabled;
1483
1484         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1485                               DBUS_TYPE_INVALID);
1486
1487         /* Extract the network ID and ensure the network */
1488         /* is actually a child of this interface */
1489         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1490         if (iface == NULL || net_id == NULL ||
1491             os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1492                 reply = wpas_dbus_error_invalid_args(message, op);
1493                 goto out;
1494         }
1495
1496         errno = 0;
1497         id = strtoul(net_id, NULL, 10);
1498         if (errno != 0) {
1499                 reply = wpas_dbus_error_invalid_args(message, op);
1500                 goto out;
1501         }
1502
1503         ssid = wpa_config_get_network(wpa_s->conf, id);
1504         if (ssid == NULL) {
1505                 reply = wpas_dbus_error_network_unknown(message);
1506                 goto out;
1507         }
1508
1509         was_disabled = ssid->disabled;
1510
1511         wpas_notify_network_removed(wpa_s, ssid);
1512
1513         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1514                 wpa_printf(MSG_ERROR,
1515                            "wpas_dbus_handler_remove_network[dbus]: "
1516                            "error occurred when removing network %d", id);
1517                 reply = wpas_dbus_error_unknown_error(
1518                         message, "error removing the specified network on "
1519                         "this interface.");
1520                 goto out;
1521         }
1522
1523         if (ssid == wpa_s->current_ssid)
1524                 wpa_supplicant_deauthenticate(wpa_s,
1525                                               WLAN_REASON_DEAUTH_LEAVING);
1526         else if (!was_disabled && wpa_s->sched_scanning) {
1527                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
1528                            "network from filters");
1529                 wpa_supplicant_cancel_sched_scan(wpa_s);
1530                 wpa_supplicant_req_scan(wpa_s, 0, 0);
1531         }
1532
1533
1534 out:
1535         os_free(iface);
1536         os_free(net_id);
1537         return reply;
1538 }
1539
1540
1541 static void remove_network(void *arg, struct wpa_ssid *ssid)
1542 {
1543         struct wpa_supplicant *wpa_s = arg;
1544
1545         wpas_notify_network_removed(wpa_s, ssid);
1546
1547         if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1548                 wpa_printf(MSG_ERROR,
1549                            "wpas_dbus_handler_remove_all_networks[dbus]: "
1550                            "error occurred when removing network %d",
1551                            ssid->id);
1552                 return;
1553         }
1554
1555         if (ssid == wpa_s->current_ssid)
1556                 wpa_supplicant_deauthenticate(wpa_s,
1557                                               WLAN_REASON_DEAUTH_LEAVING);
1558 }
1559
1560
1561 /**
1562  * wpas_dbus_handler_remove_all_networks - Remove all configured networks
1563  * @message: Pointer to incoming dbus message
1564  * @wpa_s: wpa_supplicant structure for a network interface
1565  * Returns: NULL on success or dbus error on failure
1566  *
1567  * Handler function for "RemoveAllNetworks" method call of a network interface.
1568  */
1569 DBusMessage * wpas_dbus_handler_remove_all_networks(
1570         DBusMessage *message, struct wpa_supplicant *wpa_s)
1571 {
1572         if (wpa_s->sched_scanning)
1573                 wpa_supplicant_cancel_sched_scan(wpa_s);
1574
1575         /* NB: could check for failure and return an error */
1576         wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
1577         return NULL;
1578 }
1579
1580
1581 /**
1582  * wpas_dbus_handler_select_network - Attempt association with a network
1583  * @message: Pointer to incoming dbus message
1584  * @wpa_s: wpa_supplicant structure for a network interface
1585  * Returns: NULL on success or dbus error on failure
1586  *
1587  * Handler function for "SelectNetwork" method call of network interface.
1588  */
1589 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1590                                                struct wpa_supplicant *wpa_s)
1591 {
1592         DBusMessage *reply = NULL;
1593         const char *op;
1594         char *iface = NULL, *net_id = NULL;
1595         int id;
1596         struct wpa_ssid *ssid;
1597
1598         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1599                               DBUS_TYPE_INVALID);
1600
1601         /* Extract the network ID and ensure the network */
1602         /* is actually a child of this interface */
1603         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1604         if (iface == NULL || net_id == NULL ||
1605             os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1606                 reply = wpas_dbus_error_invalid_args(message, op);
1607                 goto out;
1608         }
1609
1610         errno = 0;
1611         id = strtoul(net_id, NULL, 10);
1612         if (errno != 0) {
1613                 reply = wpas_dbus_error_invalid_args(message, op);
1614                 goto out;
1615         }
1616
1617         ssid = wpa_config_get_network(wpa_s->conf, id);
1618         if (ssid == NULL) {
1619                 reply = wpas_dbus_error_network_unknown(message);
1620                 goto out;
1621         }
1622
1623         /* Finally, associate with the network */
1624         wpa_supplicant_select_network(wpa_s, ssid);
1625
1626 out:
1627         os_free(iface);
1628         os_free(net_id);
1629         return reply;
1630 }
1631
1632
1633 /**
1634  * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
1635  * @message: Pointer to incoming dbus message
1636  * @wpa_s: wpa_supplicant structure for a network interface
1637  * Returns: NULL on success or dbus error on failure
1638  *
1639  * Handler function for "NetworkReply" method call of network interface.
1640  */
1641 DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
1642                                               struct wpa_supplicant *wpa_s)
1643 {
1644 #ifdef IEEE8021X_EAPOL
1645         DBusMessage *reply = NULL;
1646         const char *op, *field, *value;
1647         char *iface = NULL, *net_id = NULL;
1648         int id;
1649         struct wpa_ssid *ssid;
1650
1651         if (!dbus_message_get_args(message, NULL,
1652                                    DBUS_TYPE_OBJECT_PATH, &op,
1653                                    DBUS_TYPE_STRING, &field,
1654                                    DBUS_TYPE_STRING, &value,
1655                                    DBUS_TYPE_INVALID))
1656                 return wpas_dbus_error_invalid_args(message, NULL);
1657
1658         /* Extract the network ID and ensure the network */
1659         /* is actually a child of this interface */
1660         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1661         if (iface == NULL || net_id == NULL ||
1662             os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1663                 reply = wpas_dbus_error_invalid_args(message, op);
1664                 goto out;
1665         }
1666
1667         errno = 0;
1668         id = strtoul(net_id, NULL, 10);
1669         if (errno != 0) {
1670                 reply = wpas_dbus_error_invalid_args(message, net_id);
1671                 goto out;
1672         }
1673
1674         ssid = wpa_config_get_network(wpa_s->conf, id);
1675         if (ssid == NULL) {
1676                 reply = wpas_dbus_error_network_unknown(message);
1677                 goto out;
1678         }
1679
1680         if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
1681                                                       field, value) < 0)
1682                 reply = wpas_dbus_error_invalid_args(message, field);
1683         else {
1684                 /* Tell EAP to retry immediately */
1685                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1686         }
1687
1688 out:
1689         os_free(iface);
1690         os_free(net_id);
1691         return reply;
1692 #else /* IEEE8021X_EAPOL */
1693         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1694         return wpas_dbus_error_unknown_error(message, "802.1X not included");
1695 #endif /* IEEE8021X_EAPOL */
1696 }
1697
1698
1699 #ifndef CONFIG_NO_CONFIG_BLOBS
1700
1701 /**
1702  * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1703  * @message: Pointer to incoming dbus message
1704  * @wpa_s: %wpa_supplicant data structure
1705  * Returns: A dbus message containing an error on failure or NULL on success
1706  *
1707  * Asks wpa_supplicant to internally store a binary blobs.
1708  */
1709 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1710                                          struct wpa_supplicant *wpa_s)
1711 {
1712         DBusMessage *reply = NULL;
1713         DBusMessageIter iter, array_iter;
1714
1715         char *blob_name;
1716         u8 *blob_data;
1717         int blob_len;
1718         struct wpa_config_blob *blob = NULL;
1719
1720         dbus_message_iter_init(message, &iter);
1721         dbus_message_iter_get_basic(&iter, &blob_name);
1722
1723         if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1724                 return dbus_message_new_error(message,
1725                                               WPAS_DBUS_ERROR_BLOB_EXISTS,
1726                                               NULL);
1727         }
1728
1729         dbus_message_iter_next(&iter);
1730         dbus_message_iter_recurse(&iter, &array_iter);
1731
1732         dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1733
1734         blob = os_zalloc(sizeof(*blob));
1735         if (!blob) {
1736                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1737                                                NULL);
1738                 goto err;
1739         }
1740
1741         blob->data = os_malloc(blob_len);
1742         if (!blob->data) {
1743                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1744                                                NULL);
1745                 goto err;
1746         }
1747         os_memcpy(blob->data, blob_data, blob_len);
1748
1749         blob->len = blob_len;
1750         blob->name = os_strdup(blob_name);
1751         if (!blob->name) {
1752                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1753                                                NULL);
1754                 goto err;
1755         }
1756
1757         wpa_config_set_blob(wpa_s->conf, blob);
1758         wpas_notify_blob_added(wpa_s, blob->name);
1759
1760         return reply;
1761
1762 err:
1763         if (blob) {
1764                 os_free(blob->name);
1765                 os_free(blob->data);
1766                 os_free(blob);
1767         }
1768         return reply;
1769 }
1770
1771
1772 /**
1773  * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1774  * @message: Pointer to incoming dbus message
1775  * @wpa_s: %wpa_supplicant data structure
1776  * Returns: A dbus message containing array of bytes (blob)
1777  *
1778  * Gets one wpa_supplicant's binary blobs.
1779  */
1780 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1781                                          struct wpa_supplicant *wpa_s)
1782 {
1783         DBusMessage *reply = NULL;
1784         DBusMessageIter iter, array_iter;
1785
1786         char *blob_name;
1787         const struct wpa_config_blob *blob;
1788
1789         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1790                               DBUS_TYPE_INVALID);
1791
1792         blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1793         if (!blob) {
1794                 return dbus_message_new_error(message,
1795                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1796                                               "Blob id not set");
1797         }
1798
1799         reply = dbus_message_new_method_return(message);
1800         if (!reply) {
1801                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1802                                                NULL);
1803                 goto out;
1804         }
1805
1806         dbus_message_iter_init_append(reply, &iter);
1807
1808         if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1809                                               DBUS_TYPE_BYTE_AS_STRING,
1810                                               &array_iter)) {
1811                 dbus_message_unref(reply);
1812                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1813                                                NULL);
1814                 goto out;
1815         }
1816
1817         if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1818                                                   &(blob->data), blob->len)) {
1819                 dbus_message_unref(reply);
1820                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1821                                                NULL);
1822                 goto out;
1823         }
1824
1825         if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1826                 dbus_message_unref(reply);
1827                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1828                                                NULL);
1829                 goto out;
1830         }
1831
1832 out:
1833         return reply;
1834 }
1835
1836
1837 /**
1838  * wpas_remove_handler_remove_blob - Remove named binary blob
1839  * @message: Pointer to incoming dbus message
1840  * @wpa_s: %wpa_supplicant data structure
1841  * Returns: NULL on success or dbus error
1842  *
1843  * Asks wpa_supplicant to internally remove a binary blobs.
1844  */
1845 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1846                                             struct wpa_supplicant *wpa_s)
1847 {
1848         DBusMessage *reply = NULL;
1849         char *blob_name;
1850
1851         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1852                               DBUS_TYPE_INVALID);
1853
1854         if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1855                 return dbus_message_new_error(message,
1856                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1857                                               "Blob id not set");
1858         }
1859         wpas_notify_blob_removed(wpa_s, blob_name);
1860
1861         return reply;
1862
1863 }
1864
1865 #endif /* CONFIG_NO_CONFIG_BLOBS */
1866
1867
1868 /*
1869  * wpas_dbus_handler_flush_bss - Flush the BSS cache
1870  * @message: Pointer to incoming dbus message
1871  * @wpa_s: wpa_supplicant structure for a network interface
1872  * Returns: NULL
1873  *
1874  * Handler function for "FlushBSS" method call of network interface.
1875  */
1876 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
1877                                           struct wpa_supplicant *wpa_s)
1878 {
1879         dbus_uint32_t age;
1880
1881         dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
1882                               DBUS_TYPE_INVALID);
1883
1884         if (age == 0)
1885                 wpa_bss_flush(wpa_s);
1886         else
1887                 wpa_bss_flush_by_age(wpa_s, age);
1888
1889         return NULL;
1890 }
1891
1892
1893 #ifdef CONFIG_AUTOSCAN
1894 /**
1895  * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
1896  * @message: Pointer to incoming dbus message
1897  * @wpa_s: wpa_supplicant structure for a network interface
1898  * Returns: NULL
1899  *
1900  * Handler function for "AutoScan" method call of network interface.
1901  */
1902 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
1903                                          struct wpa_supplicant *wpa_s)
1904 {
1905         DBusMessage *reply = NULL;
1906         enum wpa_states state = wpa_s->wpa_state;
1907         char *arg;
1908
1909         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
1910                               DBUS_TYPE_INVALID);
1911
1912         if (arg != NULL && os_strlen(arg) > 0) {
1913                 char *tmp;
1914                 tmp = os_strdup(arg);
1915                 if (tmp == NULL) {
1916                         reply = dbus_message_new_error(message,
1917                                                        DBUS_ERROR_NO_MEMORY,
1918                                                        NULL);
1919                 } else {
1920                         os_free(wpa_s->conf->autoscan);
1921                         wpa_s->conf->autoscan = tmp;
1922                         if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
1923                                 autoscan_init(wpa_s, 1);
1924                         else if (state == WPA_SCANNING)
1925                                 wpa_supplicant_reinit_autoscan(wpa_s);
1926                 }
1927         } else if (arg != NULL && os_strlen(arg) == 0) {
1928                 os_free(wpa_s->conf->autoscan);
1929                 wpa_s->conf->autoscan = NULL;
1930                 autoscan_deinit(wpa_s);
1931         } else
1932                 reply = dbus_message_new_error(message,
1933                                                DBUS_ERROR_INVALID_ARGS,
1934                                                NULL);
1935
1936         return reply;
1937 }
1938 #endif /* CONFIG_AUTOSCAN */
1939
1940
1941 /**
1942  * wpas_dbus_getter_capabilities - Return interface capabilities
1943  * @iter: Pointer to incoming dbus message iter
1944  * @error: Location to store error on failure
1945  * @user_data: Function specific data
1946  * Returns: TRUE on success, FALSE on failure
1947  *
1948  * Getter for "Capabilities" property of an interface.
1949  */
1950 dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
1951                                           DBusError *error, void *user_data)
1952 {
1953         struct wpa_supplicant *wpa_s = user_data;
1954         struct wpa_driver_capa capa;
1955         int res;
1956         DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
1957                 variant_iter;
1958         const char *scans[] = { "active", "passive", "ssid" };
1959
1960         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
1961                                               "a{sv}", &variant_iter))
1962                 goto nomem;
1963
1964         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1965                 goto nomem;
1966
1967         res = wpa_drv_get_capa(wpa_s, &capa);
1968
1969         /***** pairwise cipher */
1970         if (res < 0) {
1971                 const char *args[] = {"ccmp", "tkip", "none"};
1972                 if (!wpa_dbus_dict_append_string_array(
1973                             &iter_dict, "Pairwise", args,
1974                             sizeof(args) / sizeof(char*)))
1975                         goto nomem;
1976         } else {
1977                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1978                                                       &iter_dict_entry,
1979                                                       &iter_dict_val,
1980                                                       &iter_array))
1981                         goto nomem;
1982
1983                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1984                         if (!wpa_dbus_dict_string_array_add_element(
1985                                     &iter_array, "ccmp"))
1986                                 goto nomem;
1987                 }
1988
1989                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1990                         if (!wpa_dbus_dict_string_array_add_element(
1991                                     &iter_array, "gcmp"))
1992                                 goto nomem;
1993                 }
1994
1995                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1996                         if (!wpa_dbus_dict_string_array_add_element(
1997                                     &iter_array, "tkip"))
1998                                 goto nomem;
1999                 }
2000
2001                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2002                         if (!wpa_dbus_dict_string_array_add_element(
2003                                     &iter_array, "none"))
2004                                 goto nomem;
2005                 }
2006
2007                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2008                                                     &iter_dict_entry,
2009                                                     &iter_dict_val,
2010                                                     &iter_array))
2011                         goto nomem;
2012         }
2013
2014         /***** group cipher */
2015         if (res < 0) {
2016                 const char *args[] = {
2017                         "ccmp", "tkip", "wep104", "wep40"
2018                 };
2019                 if (!wpa_dbus_dict_append_string_array(
2020                             &iter_dict, "Group", args,
2021                             sizeof(args) / sizeof(char*)))
2022                         goto nomem;
2023         } else {
2024                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
2025                                                       &iter_dict_entry,
2026                                                       &iter_dict_val,
2027                                                       &iter_array))
2028                         goto nomem;
2029
2030                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2031                         if (!wpa_dbus_dict_string_array_add_element(
2032                                     &iter_array, "ccmp"))
2033                                 goto nomem;
2034                 }
2035
2036                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2037                         if (!wpa_dbus_dict_string_array_add_element(
2038                                     &iter_array, "gcmp"))
2039                                 goto nomem;
2040                 }
2041
2042                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2043                         if (!wpa_dbus_dict_string_array_add_element(
2044                                     &iter_array, "tkip"))
2045                                 goto nomem;
2046                 }
2047
2048                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2049                         if (!wpa_dbus_dict_string_array_add_element(
2050                                     &iter_array, "wep104"))
2051                                 goto nomem;
2052                 }
2053
2054                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2055                         if (!wpa_dbus_dict_string_array_add_element(
2056                                     &iter_array, "wep40"))
2057                                 goto nomem;
2058                 }
2059
2060                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2061                                                     &iter_dict_entry,
2062                                                     &iter_dict_val,
2063                                                     &iter_array))
2064                         goto nomem;
2065         }
2066
2067         /***** key management */
2068         if (res < 0) {
2069                 const char *args[] = {
2070                         "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
2071 #ifdef CONFIG_WPS
2072                         "wps",
2073 #endif /* CONFIG_WPS */
2074                         "none"
2075                 };
2076                 if (!wpa_dbus_dict_append_string_array(
2077                             &iter_dict, "KeyMgmt", args,
2078                             sizeof(args) / sizeof(char*)))
2079                         goto nomem;
2080         } else {
2081                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
2082                                                       &iter_dict_entry,
2083                                                       &iter_dict_val,
2084                                                       &iter_array))
2085                         goto nomem;
2086
2087                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2088                                                             "none"))
2089                         goto nomem;
2090
2091                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2092                                                             "ieee8021x"))
2093                         goto nomem;
2094
2095                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2096                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2097                         if (!wpa_dbus_dict_string_array_add_element(
2098                                     &iter_array, "wpa-eap"))
2099                                 goto nomem;
2100
2101                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
2102                                 if (!wpa_dbus_dict_string_array_add_element(
2103                                             &iter_array, "wpa-ft-eap"))
2104                                         goto nomem;
2105
2106 /* TODO: Ensure that driver actually supports sha256 encryption. */
2107 #ifdef CONFIG_IEEE80211W
2108                         if (!wpa_dbus_dict_string_array_add_element(
2109                                     &iter_array, "wpa-eap-sha256"))
2110                                 goto nomem;
2111 #endif /* CONFIG_IEEE80211W */
2112                 }
2113
2114                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2115                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2116                         if (!wpa_dbus_dict_string_array_add_element(
2117                                     &iter_array, "wpa-psk"))
2118                                 goto nomem;
2119
2120                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
2121                                 if (!wpa_dbus_dict_string_array_add_element(
2122                                             &iter_array, "wpa-ft-psk"))
2123                                         goto nomem;
2124
2125 /* TODO: Ensure that driver actually supports sha256 encryption. */
2126 #ifdef CONFIG_IEEE80211W
2127                         if (!wpa_dbus_dict_string_array_add_element(
2128                                     &iter_array, "wpa-psk-sha256"))
2129                                 goto nomem;
2130 #endif /* CONFIG_IEEE80211W */
2131                 }
2132
2133                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2134                         if (!wpa_dbus_dict_string_array_add_element(
2135                                     &iter_array, "wpa-none"))
2136                                 goto nomem;
2137                 }
2138
2139
2140 #ifdef CONFIG_WPS
2141                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2142                                                             "wps"))
2143                         goto nomem;
2144 #endif /* CONFIG_WPS */
2145
2146                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2147                                                     &iter_dict_entry,
2148                                                     &iter_dict_val,
2149                                                     &iter_array))
2150                         goto nomem;
2151         }
2152
2153         /***** WPA protocol */
2154         if (res < 0) {
2155                 const char *args[] = { "rsn", "wpa" };
2156                 if (!wpa_dbus_dict_append_string_array(
2157                             &iter_dict, "Protocol", args,
2158                             sizeof(args) / sizeof(char*)))
2159                         goto nomem;
2160         } else {
2161                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
2162                                                       &iter_dict_entry,
2163                                                       &iter_dict_val,
2164                                                       &iter_array))
2165                         goto nomem;
2166
2167                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2168                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2169                         if (!wpa_dbus_dict_string_array_add_element(
2170                                     &iter_array, "rsn"))
2171                                 goto nomem;
2172                 }
2173
2174                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2175                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2176                         if (!wpa_dbus_dict_string_array_add_element(
2177                                     &iter_array, "wpa"))
2178                                 goto nomem;
2179                 }
2180
2181                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2182                                                     &iter_dict_entry,
2183                                                     &iter_dict_val,
2184                                                     &iter_array))
2185                         goto nomem;
2186         }
2187
2188         /***** auth alg */
2189         if (res < 0) {
2190                 const char *args[] = { "open", "shared", "leap" };
2191                 if (!wpa_dbus_dict_append_string_array(
2192                             &iter_dict, "AuthAlg", args,
2193                             sizeof(args) / sizeof(char*)))
2194                         goto nomem;
2195         } else {
2196                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2197                                                       &iter_dict_entry,
2198                                                       &iter_dict_val,
2199                                                       &iter_array))
2200                         goto nomem;
2201
2202                 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
2203                         if (!wpa_dbus_dict_string_array_add_element(
2204                                     &iter_array, "open"))
2205                                 goto nomem;
2206                 }
2207
2208                 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
2209                         if (!wpa_dbus_dict_string_array_add_element(
2210                                     &iter_array, "shared"))
2211                                 goto nomem;
2212                 }
2213
2214                 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
2215                         if (!wpa_dbus_dict_string_array_add_element(
2216                                     &iter_array, "leap"))
2217                                 goto nomem;
2218                 }
2219
2220                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2221                                                     &iter_dict_entry,
2222                                                     &iter_dict_val,
2223                                                     &iter_array))
2224                         goto nomem;
2225         }
2226
2227         /***** Scan */
2228         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2229                                                sizeof(scans) / sizeof(char *)))
2230                 goto nomem;
2231
2232         /***** Modes */
2233         if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
2234                                               &iter_dict_entry,
2235                                               &iter_dict_val,
2236                                               &iter_array))
2237                 goto nomem;
2238
2239         if (!wpa_dbus_dict_string_array_add_element(
2240                             &iter_array, "infrastructure"))
2241                 goto nomem;
2242
2243         if (!wpa_dbus_dict_string_array_add_element(
2244                             &iter_array, "ad-hoc"))
2245                 goto nomem;
2246
2247         if (res >= 0) {
2248                 if (capa.flags & (WPA_DRIVER_FLAGS_AP)) {
2249                         if (!wpa_dbus_dict_string_array_add_element(
2250                                     &iter_array, "ap"))
2251                                 goto nomem;
2252                 }
2253
2254                 if (capa.flags & (WPA_DRIVER_FLAGS_P2P_CAPABLE)) {
2255                         if (!wpa_dbus_dict_string_array_add_element(
2256                                     &iter_array, "p2p"))
2257                                 goto nomem;
2258                 }
2259         }
2260
2261         if (!wpa_dbus_dict_end_string_array(&iter_dict,
2262                                             &iter_dict_entry,
2263                                             &iter_dict_val,
2264                                             &iter_array))
2265                 goto nomem;
2266         /***** Modes end */
2267
2268         if (res >= 0) {
2269                 dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
2270
2271                 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
2272                                                 max_scan_ssid))
2273                         goto nomem;
2274         }
2275
2276         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2277                 goto nomem;
2278         if (!dbus_message_iter_close_container(iter, &variant_iter))
2279                 goto nomem;
2280
2281         return TRUE;
2282
2283 nomem:
2284         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2285         return FALSE;
2286 }
2287
2288
2289 /**
2290  * wpas_dbus_getter_state - Get interface state
2291  * @iter: Pointer to incoming dbus message iter
2292  * @error: Location to store error on failure
2293  * @user_data: Function specific data
2294  * Returns: TRUE on success, FALSE on failure
2295  *
2296  * Getter for "State" property.
2297  */
2298 dbus_bool_t wpas_dbus_getter_state(DBusMessageIter *iter, DBusError *error,
2299                                    void *user_data)
2300 {
2301         struct wpa_supplicant *wpa_s = user_data;
2302         const char *str_state;
2303         char *state_ls, *tmp;
2304         dbus_bool_t success = FALSE;
2305
2306         str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2307
2308         /* make state string lowercase to fit new DBus API convention
2309          */
2310         state_ls = tmp = os_strdup(str_state);
2311         if (!tmp) {
2312                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2313                 return FALSE;
2314         }
2315         while (*tmp) {
2316                 *tmp = tolower(*tmp);
2317                 tmp++;
2318         }
2319
2320         success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2321                                                    &state_ls, error);
2322
2323         os_free(state_ls);
2324
2325         return success;
2326 }
2327
2328
2329 /**
2330  * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2331  * @iter: Pointer to incoming dbus message iter
2332  * @error: Location to store error on failure
2333  * @user_data: Function specific data
2334  * Returns: TRUE on success, FALSE on failure
2335  *
2336  * Getter for "scanning" property.
2337  */
2338 dbus_bool_t wpas_dbus_getter_scanning(DBusMessageIter *iter, DBusError *error,
2339                                       void *user_data)
2340 {
2341         struct wpa_supplicant *wpa_s = user_data;
2342         dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2343
2344         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2345                                                 &scanning, error);
2346 }
2347
2348
2349 /**
2350  * wpas_dbus_getter_ap_scan - Control roaming mode
2351  * @iter: Pointer to incoming dbus message iter
2352  * @error: Location to store error on failure
2353  * @user_data: Function specific data
2354  * Returns: TRUE on success, FALSE on failure
2355  *
2356  * Getter function for "ApScan" property.
2357  */
2358 dbus_bool_t wpas_dbus_getter_ap_scan(DBusMessageIter *iter, DBusError *error,
2359                                      void *user_data)
2360 {
2361         struct wpa_supplicant *wpa_s = user_data;
2362         dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2363
2364         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2365                                                 &ap_scan, error);
2366 }
2367
2368
2369 /**
2370  * wpas_dbus_setter_ap_scan - Control roaming mode
2371  * @iter: Pointer to incoming dbus message iter
2372  * @error: Location to store error on failure
2373  * @user_data: Function specific data
2374  * Returns: TRUE on success, FALSE on failure
2375  *
2376  * Setter function for "ApScan" property.
2377  */
2378 dbus_bool_t wpas_dbus_setter_ap_scan(DBusMessageIter *iter, DBusError *error,
2379                                      void *user_data)
2380 {
2381         struct wpa_supplicant *wpa_s = user_data;
2382         dbus_uint32_t ap_scan;
2383
2384         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2385                                               &ap_scan))
2386                 return FALSE;
2387
2388         if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2389                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2390                                      "ap_scan must be 0, 1, or 2");
2391                 return FALSE;
2392         }
2393         return TRUE;
2394 }
2395
2396
2397 /**
2398  * wpas_dbus_getter_fast_reauth - Control fast
2399  * reauthentication (TLS session resumption)
2400  * @iter: Pointer to incoming dbus message iter
2401  * @error: Location to store error on failure
2402  * @user_data: Function specific data
2403  * Returns: TRUE on success, FALSE on failure
2404  *
2405  * Getter function for "FastReauth" property.
2406  */
2407 dbus_bool_t wpas_dbus_getter_fast_reauth(DBusMessageIter *iter,
2408                                          DBusError *error,
2409                                          void *user_data)
2410 {
2411         struct wpa_supplicant *wpa_s = user_data;
2412         dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
2413
2414         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2415                                                 &fast_reauth, error);
2416 }
2417
2418
2419 /**
2420  * wpas_dbus_setter_fast_reauth - Control fast
2421  * reauthentication (TLS session resumption)
2422  * @iter: Pointer to incoming dbus message iter
2423  * @error: Location to store error on failure
2424  * @user_data: Function specific data
2425  * Returns: TRUE on success, FALSE on failure
2426  *
2427  * Setter function for "FastReauth" property.
2428  */
2429 dbus_bool_t wpas_dbus_setter_fast_reauth(DBusMessageIter *iter,
2430                                      DBusError *error,
2431                                      void *user_data)
2432 {
2433         struct wpa_supplicant *wpa_s = user_data;
2434         dbus_bool_t fast_reauth;
2435
2436         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
2437                                               &fast_reauth))
2438                 return FALSE;
2439
2440         wpa_s->conf->fast_reauth = fast_reauth;
2441         return TRUE;
2442 }
2443
2444
2445 /**
2446  * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
2447  * @iter: Pointer to incoming dbus message iter
2448  * @error: Location to store error on failure
2449  * @user_data: Function specific data
2450  * Returns: TRUE on success, FALSE on failure
2451  *
2452  * Getter for "DisconnectReason" property.  The reason is negative if it is
2453  * locally generated.
2454  */
2455 dbus_bool_t wpas_dbus_getter_disconnect_reason(DBusMessageIter *iter,
2456                                                DBusError *error,
2457                                                void *user_data)
2458 {
2459         struct wpa_supplicant *wpa_s = user_data;
2460         dbus_int32_t reason = wpa_s->disconnect_reason;
2461         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2462                                                 &reason, error);
2463 }
2464
2465
2466 /**
2467  * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2468  * @iter: Pointer to incoming dbus message iter
2469  * @error: Location to store error on failure
2470  * @user_data: Function specific data
2471  * Returns: TRUE on success, FALSE on failure
2472  *
2473  * Getter function for "BSSExpireAge" property.
2474  */
2475 dbus_bool_t wpas_dbus_getter_bss_expire_age(DBusMessageIter *iter,
2476                                             DBusError *error,
2477                                             void *user_data)
2478 {
2479         struct wpa_supplicant *wpa_s = user_data;
2480         dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2481
2482         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2483                                                 &expire_age, error);
2484 }
2485
2486
2487 /**
2488  * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2489  * @iter: Pointer to incoming dbus message iter
2490  * @error: Location to store error on failure
2491  * @user_data: Function specific data
2492  * Returns: TRUE on success, FALSE on failure
2493  *
2494  * Setter function for "BSSExpireAge" property.
2495  */
2496 dbus_bool_t wpas_dbus_setter_bss_expire_age(DBusMessageIter *iter,
2497                                             DBusError *error,
2498                                             void *user_data)
2499 {
2500         struct wpa_supplicant *wpa_s = user_data;
2501         dbus_uint32_t expire_age;
2502
2503         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2504                                               &expire_age))
2505                 return FALSE;
2506
2507         if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
2508                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2509                                      "BSSExpireAge must be >= 10");
2510                 return FALSE;
2511         }
2512         return TRUE;
2513 }
2514
2515
2516 /**
2517  * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
2518  * @iter: Pointer to incoming dbus message iter
2519  * @error: Location to store error on failure
2520  * @user_data: Function specific data
2521  * Returns: TRUE on success, FALSE on failure
2522  *
2523  * Getter function for "BSSExpireCount" property.
2524  */
2525 dbus_bool_t wpas_dbus_getter_bss_expire_count(DBusMessageIter *iter,
2526                                               DBusError *error,
2527                                               void *user_data)
2528 {
2529         struct wpa_supplicant *wpa_s = user_data;
2530         dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
2531
2532         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2533                                                 &expire_count, error);
2534 }
2535
2536
2537 /**
2538  * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
2539  * @iter: Pointer to incoming dbus message iter
2540  * @error: Location to store error on failure
2541  * @user_data: Function specific data
2542  * Returns: TRUE on success, FALSE on failure
2543  *
2544  * Setter function for "BSSExpireCount" property.
2545  */
2546 dbus_bool_t wpas_dbus_setter_bss_expire_count(DBusMessageIter *iter,
2547                                               DBusError *error,
2548                                               void *user_data)
2549 {
2550         struct wpa_supplicant *wpa_s = user_data;
2551         dbus_uint32_t expire_count;
2552
2553         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2554                                               &expire_count))
2555                 return FALSE;
2556
2557         if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
2558                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2559                                      "BSSExpireCount must be > 0");
2560                 return FALSE;
2561         }
2562         return TRUE;
2563 }
2564
2565
2566 /**
2567  * wpas_dbus_getter_country - Control country code
2568  * @iter: Pointer to incoming dbus message iter
2569  * @error: Location to store error on failure
2570  * @user_data: Function specific data
2571  * Returns: TRUE on success, FALSE on failure
2572  *
2573  * Getter function for "Country" property.
2574  */
2575 dbus_bool_t wpas_dbus_getter_country(DBusMessageIter *iter, DBusError *error,
2576                                      void *user_data)
2577 {
2578         struct wpa_supplicant *wpa_s = user_data;
2579         char country[3];
2580         char *str = country;
2581
2582         country[0] = wpa_s->conf->country[0];
2583         country[1] = wpa_s->conf->country[1];
2584         country[2] = '\0';
2585
2586         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2587                                                 &str, error);
2588 }
2589
2590
2591 /**
2592  * wpas_dbus_setter_country - Control country code
2593  * @iter: Pointer to incoming dbus message iter
2594  * @error: Location to store error on failure
2595  * @user_data: Function specific data
2596  * Returns: TRUE on success, FALSE on failure
2597  *
2598  * Setter function for "Country" property.
2599  */
2600 dbus_bool_t wpas_dbus_setter_country(DBusMessageIter *iter, DBusError *error,
2601                                      void *user_data)
2602 {
2603         struct wpa_supplicant *wpa_s = user_data;
2604         const char *country;
2605
2606         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
2607                                               &country))
2608                 return FALSE;
2609
2610         if (!country[0] || !country[1]) {
2611                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2612                                      "invalid country code");
2613                 return FALSE;
2614         }
2615
2616         if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
2617                 wpa_printf(MSG_DEBUG, "Failed to set country");
2618                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2619                                      "failed to set country code");
2620                 return FALSE;
2621         }
2622
2623         wpa_s->conf->country[0] = country[0];
2624         wpa_s->conf->country[1] = country[1];
2625         return TRUE;
2626 }
2627
2628
2629 /**
2630  * wpas_dbus_getter_scan_interval - Get scan interval
2631  * @iter: Pointer to incoming dbus message iter
2632  * @error: Location to store error on failure
2633  * @user_data: Function specific data
2634  * Returns: TRUE on success, FALSE on failure
2635  *
2636  * Getter function for "ScanInterval" property.
2637  */
2638 dbus_bool_t wpas_dbus_getter_scan_interval(DBusMessageIter *iter,
2639                                            DBusError *error,
2640                                            void *user_data)
2641 {
2642         struct wpa_supplicant *wpa_s = user_data;
2643         dbus_int32_t scan_interval = wpa_s->scan_interval;
2644
2645         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2646                                                 &scan_interval, error);
2647 }
2648
2649
2650 /**
2651  * wpas_dbus_setter_scan_interval - Control scan interval
2652  * @iter: Pointer to incoming dbus message iter
2653  * @error: Location to store error on failure
2654  * @user_data: Function specific data
2655  * Returns: TRUE on success, FALSE on failure
2656  *
2657  * Setter function for "ScanInterval" property.
2658  */
2659 dbus_bool_t wpas_dbus_setter_scan_interval(DBusMessageIter *iter,
2660                                            DBusError *error,
2661                                            void *user_data)
2662 {
2663         struct wpa_supplicant *wpa_s = user_data;
2664         dbus_int32_t scan_interval;
2665
2666         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
2667                                               &scan_interval))
2668                 return FALSE;
2669
2670         if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
2671                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2672                                      "scan_interval must be >= 0");
2673                 return FALSE;
2674         }
2675         return TRUE;
2676 }
2677
2678
2679 /**
2680  * wpas_dbus_getter_ifname - Get interface name
2681  * @iter: Pointer to incoming dbus message iter
2682  * @error: Location to store error on failure
2683  * @user_data: Function specific data
2684  * Returns: TRUE on success, FALSE on failure
2685  *
2686  * Getter for "Ifname" property.
2687  */
2688 dbus_bool_t wpas_dbus_getter_ifname(DBusMessageIter *iter, DBusError *error,
2689                                     void *user_data)
2690 {
2691         struct wpa_supplicant *wpa_s = user_data;
2692         const char *ifname = wpa_s->ifname;
2693
2694         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2695                                                 &ifname, error);
2696 }
2697
2698
2699 /**
2700  * wpas_dbus_getter_driver - Get interface name
2701  * @iter: Pointer to incoming dbus message iter
2702  * @error: Location to store error on failure
2703  * @user_data: Function specific data
2704  * Returns: TRUE on success, FALSE on failure
2705  *
2706  * Getter for "Driver" property.
2707  */
2708 dbus_bool_t wpas_dbus_getter_driver(DBusMessageIter *iter, DBusError *error,
2709                                     void *user_data)
2710 {
2711         struct wpa_supplicant *wpa_s = user_data;
2712         const char *driver;
2713
2714         if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2715                 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2716                            "wpa_s has no driver set");
2717                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
2718                                __func__);
2719                 return FALSE;
2720         }
2721
2722         driver = wpa_s->driver->name;
2723         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2724                                                 &driver, error);
2725 }
2726
2727
2728 /**
2729  * wpas_dbus_getter_current_bss - Get current bss object path
2730  * @iter: Pointer to incoming dbus message iter
2731  * @error: Location to store error on failure
2732  * @user_data: Function specific data
2733  * Returns: TRUE on success, FALSE on failure
2734  *
2735  * Getter for "CurrentBSS" property.
2736  */
2737 dbus_bool_t wpas_dbus_getter_current_bss(DBusMessageIter *iter,
2738                                          DBusError *error,
2739                                          void *user_data)
2740 {
2741         struct wpa_supplicant *wpa_s = user_data;
2742         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
2743
2744         if (wpa_s->current_bss)
2745                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2746                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2747                             wpa_s->dbus_new_path, wpa_s->current_bss->id);
2748         else
2749                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2750
2751         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2752                                                 &bss_obj_path, error);
2753 }
2754
2755
2756 /**
2757  * wpas_dbus_getter_current_network - Get current network object path
2758  * @iter: Pointer to incoming dbus message iter
2759  * @error: Location to store error on failure
2760  * @user_data: Function specific data
2761  * Returns: TRUE on success, FALSE on failure
2762  *
2763  * Getter for "CurrentNetwork" property.
2764  */
2765 dbus_bool_t wpas_dbus_getter_current_network(DBusMessageIter *iter,
2766                                              DBusError *error,
2767                                              void *user_data)
2768 {
2769         struct wpa_supplicant *wpa_s = user_data;
2770         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
2771
2772         if (wpa_s->current_ssid)
2773                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2774                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2775                             wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2776         else
2777                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2778
2779         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2780                                                 &net_obj_path, error);
2781 }
2782
2783
2784 /**
2785  * wpas_dbus_getter_current_auth_mode - Get current authentication type
2786  * @iter: Pointer to incoming dbus message iter
2787  * @error: Location to store error on failure
2788  * @user_data: Function specific data
2789  * Returns: TRUE on success, FALSE on failure
2790  *
2791  * Getter for "CurrentAuthMode" property.
2792  */
2793 dbus_bool_t wpas_dbus_getter_current_auth_mode(DBusMessageIter *iter,
2794                                                DBusError *error,
2795                                                void *user_data)
2796 {
2797         struct wpa_supplicant *wpa_s = user_data;
2798         const char *eap_mode;
2799         const char *auth_mode;
2800         char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
2801
2802         if (wpa_s->wpa_state != WPA_COMPLETED) {
2803                 auth_mode = "INACTIVE";
2804         } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
2805             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2806                 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
2807                 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
2808                             "EAP-%s", eap_mode);
2809                 auth_mode = eap_mode_buf;
2810
2811         } else {
2812                 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
2813                                              wpa_s->current_ssid->proto);
2814         }
2815
2816         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2817                                                 &auth_mode, error);
2818 }
2819
2820
2821 /**
2822  * wpas_dbus_getter_bridge_ifname - Get interface name
2823  * @iter: Pointer to incoming dbus message iter
2824  * @error: Location to store error on failure
2825  * @user_data: Function specific data
2826  * Returns: TRUE on success, FALSE on failure
2827  *
2828  * Getter for "BridgeIfname" property.
2829  */
2830 dbus_bool_t wpas_dbus_getter_bridge_ifname(DBusMessageIter *iter,
2831                                            DBusError *error,
2832                                            void *user_data)
2833 {
2834         struct wpa_supplicant *wpa_s = user_data;
2835         const char *bridge_ifname = wpa_s->bridge_ifname;
2836         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2837                                                 &bridge_ifname, error);
2838 }
2839
2840
2841 /**
2842  * wpas_dbus_getter_bsss - Get array of BSSs objects
2843  * @iter: Pointer to incoming dbus message iter
2844  * @error: Location to store error on failure
2845  * @user_data: Function specific data
2846  * Returns: TRUE on success, FALSE on failure
2847  *
2848  * Getter for "BSSs" property.
2849  */
2850 dbus_bool_t wpas_dbus_getter_bsss(DBusMessageIter *iter, DBusError *error,
2851                                   void *user_data)
2852 {
2853         struct wpa_supplicant *wpa_s = user_data;
2854         struct wpa_bss *bss;
2855         char **paths;
2856         unsigned int i = 0;
2857         dbus_bool_t success = FALSE;
2858
2859         paths = os_calloc(wpa_s->num_bss, sizeof(char *));
2860         if (!paths) {
2861                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2862                 return FALSE;
2863         }
2864
2865         /* Loop through scan results and append each result's object path */
2866         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2867                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2868                 if (paths[i] == NULL) {
2869                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2870                                              "no memory");
2871                         goto out;
2872                 }
2873                 /* Construct the object path for this BSS. */
2874                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2875                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2876                             wpa_s->dbus_new_path, bss->id);
2877         }
2878
2879         success = wpas_dbus_simple_array_property_getter(iter,
2880                                                          DBUS_TYPE_OBJECT_PATH,
2881                                                          paths, wpa_s->num_bss,
2882                                                          error);
2883
2884 out:
2885         while (i)
2886                 os_free(paths[--i]);
2887         os_free(paths);
2888         return success;
2889 }
2890
2891
2892 /**
2893  * wpas_dbus_getter_networks - Get array of networks objects
2894  * @iter: Pointer to incoming dbus message iter
2895  * @error: Location to store error on failure
2896  * @user_data: Function specific data
2897  * Returns: TRUE on success, FALSE on failure
2898  *
2899  * Getter for "Networks" property.
2900  */
2901 dbus_bool_t wpas_dbus_getter_networks(DBusMessageIter *iter, DBusError *error,
2902                                       void *user_data)
2903 {
2904         struct wpa_supplicant *wpa_s = user_data;
2905         struct wpa_ssid *ssid;
2906         char **paths;
2907         unsigned int i = 0, num = 0;
2908         dbus_bool_t success = FALSE;
2909
2910         if (wpa_s->conf == NULL) {
2911                 wpa_printf(MSG_ERROR, "%s[dbus]: An error occurred getting "
2912                            "networks list.", __func__);
2913                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: an error "
2914                                "occurred getting the networks list", __func__);
2915                 return FALSE;
2916         }
2917
2918         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2919                 if (!network_is_persistent_group(ssid))
2920                         num++;
2921
2922         paths = os_calloc(num, sizeof(char *));
2923         if (!paths) {
2924                 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2925                 return FALSE;
2926         }
2927
2928         /* Loop through configured networks and append object path of each */
2929         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2930                 if (network_is_persistent_group(ssid))
2931                         continue;
2932                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2933                 if (paths[i] == NULL) {
2934                         dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2935                         goto out;
2936                 }
2937
2938                 /* Construct the object path for this network. */
2939                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2940                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2941                             wpa_s->dbus_new_path, ssid->id);
2942         }
2943
2944         success = wpas_dbus_simple_array_property_getter(iter,
2945                                                          DBUS_TYPE_OBJECT_PATH,
2946                                                          paths, num, error);
2947
2948 out:
2949         while (i)
2950                 os_free(paths[--i]);
2951         os_free(paths);
2952         return success;
2953 }
2954
2955
2956 /**
2957  * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2958  * @iter: Pointer to incoming dbus message iter
2959  * @error: Location to store error on failure
2960  * @user_data: Function specific data
2961  * Returns: TRUE on success, FALSE on failure
2962  *
2963  * Getter for "Blobs" property.
2964  */
2965 dbus_bool_t wpas_dbus_getter_blobs(DBusMessageIter *iter, DBusError *error,
2966                                    void *user_data)
2967 {
2968         struct wpa_supplicant *wpa_s = user_data;
2969         DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
2970         struct wpa_config_blob *blob;
2971
2972         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
2973                                               "a{say}", &variant_iter) ||
2974             !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2975                                               "{say}", &dict_iter)) {
2976                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2977                 return FALSE;
2978         }
2979
2980         blob = wpa_s->conf->blobs;
2981         while (blob) {
2982                 if (!dbus_message_iter_open_container(&dict_iter,
2983                                                       DBUS_TYPE_DICT_ENTRY,
2984                                                       NULL, &entry_iter) ||
2985                     !dbus_message_iter_append_basic(&entry_iter,
2986                                                     DBUS_TYPE_STRING,
2987                                                     &(blob->name)) ||
2988                     !dbus_message_iter_open_container(&entry_iter,
2989                                                       DBUS_TYPE_ARRAY,
2990                                                       DBUS_TYPE_BYTE_AS_STRING,
2991                                                       &array_iter) ||
2992                     !dbus_message_iter_append_fixed_array(&array_iter,
2993                                                           DBUS_TYPE_BYTE,
2994                                                           &(blob->data),
2995                                                           blob->len) ||
2996                     !dbus_message_iter_close_container(&entry_iter,
2997                                                        &array_iter) ||
2998                     !dbus_message_iter_close_container(&dict_iter,
2999                                                        &entry_iter)) {
3000                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3001                                              "no memory");
3002                         return FALSE;
3003                 }
3004
3005                 blob = blob->next;
3006         }
3007
3008         if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
3009             !dbus_message_iter_close_container(iter, &variant_iter)) {
3010                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3011                 return FALSE;
3012         }
3013
3014         return TRUE;
3015 }
3016
3017
3018 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
3019                                        DBusError *error, const char *func_name)
3020 {
3021         struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
3022
3023         if (!res) {
3024                 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
3025                            func_name, args->id);
3026                 dbus_set_error(error, DBUS_ERROR_FAILED,
3027                                "%s: BSS %d not found",
3028                                func_name, args->id);
3029         }
3030
3031         return res;
3032 }
3033
3034
3035 /**
3036  * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
3037  * @iter: Pointer to incoming dbus message iter
3038  * @error: Location to store error on failure
3039  * @user_data: Function specific data
3040  * Returns: TRUE on success, FALSE on failure
3041  *
3042  * Getter for "BSSID" property.
3043  */
3044 dbus_bool_t wpas_dbus_getter_bss_bssid(DBusMessageIter *iter, DBusError *error,
3045                                        void *user_data)
3046 {
3047         struct bss_handler_args *args = user_data;
3048         struct wpa_bss *res;
3049
3050         res = get_bss_helper(args, error, __func__);
3051         if (!res)
3052                 return FALSE;
3053
3054         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3055                                                       res->bssid, ETH_ALEN,
3056                                                       error);
3057 }
3058
3059
3060 /**
3061  * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
3062  * @iter: Pointer to incoming dbus message iter
3063  * @error: Location to store error on failure
3064  * @user_data: Function specific data
3065  * Returns: TRUE on success, FALSE on failure
3066  *
3067  * Getter for "SSID" property.
3068  */
3069 dbus_bool_t wpas_dbus_getter_bss_ssid(DBusMessageIter *iter, DBusError *error,
3070                                       void *user_data)
3071 {
3072         struct bss_handler_args *args = user_data;
3073         struct wpa_bss *res;
3074
3075         res = get_bss_helper(args, error, __func__);
3076         if (!res)
3077                 return FALSE;
3078
3079         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3080                                                       res->ssid, res->ssid_len,
3081                                                       error);
3082 }
3083
3084
3085 /**
3086  * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
3087  * @iter: Pointer to incoming dbus message iter
3088  * @error: Location to store error on failure
3089  * @user_data: Function specific data
3090  * Returns: TRUE on success, FALSE on failure
3091  *
3092  * Getter for "Privacy" property.
3093  */
3094 dbus_bool_t wpas_dbus_getter_bss_privacy(DBusMessageIter *iter,
3095                                          DBusError *error, void *user_data)
3096 {
3097         struct bss_handler_args *args = user_data;
3098         struct wpa_bss *res;
3099         dbus_bool_t privacy;
3100
3101         res = get_bss_helper(args, error, __func__);
3102         if (!res)
3103                 return FALSE;
3104
3105         privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
3106         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3107                                                 &privacy, error);
3108 }
3109
3110
3111 /**
3112  * wpas_dbus_getter_bss_mode - Return the mode of a BSS
3113  * @iter: Pointer to incoming dbus message iter
3114  * @error: Location to store error on failure
3115  * @user_data: Function specific data
3116  * Returns: TRUE on success, FALSE on failure
3117  *
3118  * Getter for "Mode" property.
3119  */
3120 dbus_bool_t wpas_dbus_getter_bss_mode(DBusMessageIter *iter, DBusError *error,
3121                                       void *user_data)
3122 {
3123         struct bss_handler_args *args = user_data;
3124         struct wpa_bss *res;
3125         const char *mode;
3126
3127         res = get_bss_helper(args, error, __func__);
3128         if (!res)
3129                 return FALSE;
3130
3131         if (res->caps & IEEE80211_CAP_IBSS)
3132                 mode = "ad-hoc";
3133         else
3134                 mode = "infrastructure";
3135
3136         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3137                                                 &mode, error);
3138 }
3139
3140
3141 /**
3142  * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
3143  * @iter: Pointer to incoming dbus message iter
3144  * @error: Location to store error on failure
3145  * @user_data: Function specific data
3146  * Returns: TRUE on success, FALSE on failure
3147  *
3148  * Getter for "Level" property.
3149  */
3150 dbus_bool_t wpas_dbus_getter_bss_signal(DBusMessageIter *iter,
3151                                         DBusError *error, void *user_data)
3152 {
3153         struct bss_handler_args *args = user_data;
3154         struct wpa_bss *res;
3155         s16 level;
3156
3157         res = get_bss_helper(args, error, __func__);
3158         if (!res)
3159                 return FALSE;
3160
3161         level = (s16) res->level;
3162         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
3163                                                 &level, error);
3164 }
3165
3166
3167 /**
3168  * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
3169  * @iter: Pointer to incoming dbus message iter
3170  * @error: Location to store error on failure
3171  * @user_data: Function specific data
3172  * Returns: TRUE on success, FALSE on failure
3173  *
3174  * Getter for "Frequency" property.
3175  */
3176 dbus_bool_t wpas_dbus_getter_bss_frequency(DBusMessageIter *iter,
3177                                            DBusError *error, void *user_data)
3178 {
3179         struct bss_handler_args *args = user_data;
3180         struct wpa_bss *res;
3181         u16 freq;
3182
3183         res = get_bss_helper(args, error, __func__);
3184         if (!res)
3185                 return FALSE;
3186
3187         freq = (u16) res->freq;
3188         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
3189                                                 &freq, error);
3190 }
3191
3192
3193 static int cmp_u8s_desc(const void *a, const void *b)
3194 {
3195         return (*(u8 *) b - *(u8 *) a);
3196 }
3197
3198
3199 /**
3200  * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
3201  * @iter: Pointer to incoming dbus message iter
3202  * @error: Location to store error on failure
3203  * @user_data: Function specific data
3204  * Returns: TRUE on success, FALSE on failure
3205  *
3206  * Getter for "Rates" property.
3207  */
3208 dbus_bool_t wpas_dbus_getter_bss_rates(DBusMessageIter *iter,
3209                                        DBusError *error, void *user_data)
3210 {
3211         struct bss_handler_args *args = user_data;
3212         struct wpa_bss *res;
3213         u8 *ie_rates = NULL;
3214         u32 *real_rates;
3215         int rates_num, i;
3216         dbus_bool_t success = FALSE;
3217
3218         res = get_bss_helper(args, error, __func__);
3219         if (!res)
3220                 return FALSE;
3221
3222         rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
3223         if (rates_num < 0)
3224                 return FALSE;
3225
3226         qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
3227
3228         real_rates = os_malloc(sizeof(u32) * rates_num);
3229         if (!real_rates) {
3230                 os_free(ie_rates);
3231                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3232                 return FALSE;
3233         }
3234
3235         for (i = 0; i < rates_num; i++)
3236                 real_rates[i] = ie_rates[i] * 500000;
3237
3238         success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
3239                                                          real_rates, rates_num,
3240                                                          error);
3241
3242         os_free(ie_rates);
3243         os_free(real_rates);
3244         return success;
3245 }
3246
3247
3248 static dbus_bool_t wpas_dbus_get_bss_security_prop(DBusMessageIter *iter,
3249                                                    struct wpa_ie_data *ie_data,
3250                                                    DBusError *error)
3251 {
3252         DBusMessageIter iter_dict, variant_iter;
3253         const char *group;
3254         const char *pairwise[3]; /* max 3 pairwise ciphers is supported */
3255         const char *key_mgmt[7]; /* max 7 key managements may be supported */
3256         int n;
3257
3258         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3259                                               "a{sv}", &variant_iter))
3260                 goto nomem;
3261
3262         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3263                 goto nomem;
3264
3265         /* KeyMgmt */
3266         n = 0;
3267         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
3268                 key_mgmt[n++] = "wpa-psk";
3269         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
3270                 key_mgmt[n++] = "wpa-ft-psk";
3271         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
3272                 key_mgmt[n++] = "wpa-psk-sha256";
3273         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
3274                 key_mgmt[n++] = "wpa-eap";
3275         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
3276                 key_mgmt[n++] = "wpa-ft-eap";
3277         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
3278                 key_mgmt[n++] = "wpa-eap-sha256";
3279         if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
3280                 key_mgmt[n++] = "wpa-none";
3281
3282         if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
3283                                                key_mgmt, n))
3284                 goto nomem;
3285
3286         /* Group */
3287         switch (ie_data->group_cipher) {
3288         case WPA_CIPHER_WEP40:
3289                 group = "wep40";
3290                 break;
3291         case WPA_CIPHER_TKIP:
3292                 group = "tkip";
3293                 break;
3294         case WPA_CIPHER_CCMP:
3295                 group = "ccmp";
3296                 break;
3297         case WPA_CIPHER_GCMP:
3298                 group = "gcmp";
3299                 break;
3300         case WPA_CIPHER_WEP104:
3301                 group = "wep104";
3302                 break;
3303         default:
3304                 group = "";
3305                 break;
3306         }
3307
3308         if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
3309                 goto nomem;
3310
3311         /* Pairwise */
3312         n = 0;
3313         if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
3314                 pairwise[n++] = "tkip";
3315         if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
3316                 pairwise[n++] = "ccmp";
3317         if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
3318                 pairwise[n++] = "gcmp";
3319
3320         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
3321                                                pairwise, n))
3322                 goto nomem;
3323
3324         /* Management group (RSN only) */
3325         if (ie_data->proto == WPA_PROTO_RSN) {
3326                 switch (ie_data->mgmt_group_cipher) {
3327 #ifdef CONFIG_IEEE80211W
3328                 case WPA_CIPHER_AES_128_CMAC:
3329                         group = "aes128cmac";
3330                         break;
3331 #endif /* CONFIG_IEEE80211W */
3332                 default:
3333                         group = "";
3334                         break;
3335                 }
3336
3337                 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
3338                                                  group))
3339                         goto nomem;
3340         }
3341
3342         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3343                 goto nomem;
3344         if (!dbus_message_iter_close_container(iter, &variant_iter))
3345                 goto nomem;
3346
3347         return TRUE;
3348
3349 nomem:
3350         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3351         return FALSE;
3352 }
3353
3354
3355 /**
3356  * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
3357  * @iter: Pointer to incoming dbus message iter
3358  * @error: Location to store error on failure
3359  * @user_data: Function specific data
3360  * Returns: TRUE on success, FALSE on failure
3361  *
3362  * Getter for "WPA" property.
3363  */
3364 dbus_bool_t wpas_dbus_getter_bss_wpa(DBusMessageIter *iter, DBusError *error,
3365                                      void *user_data)
3366 {
3367         struct bss_handler_args *args = user_data;
3368         struct wpa_bss *res;
3369         struct wpa_ie_data wpa_data;
3370         const u8 *ie;
3371
3372         res = get_bss_helper(args, error, __func__);
3373         if (!res)
3374                 return FALSE;
3375
3376         os_memset(&wpa_data, 0, sizeof(wpa_data));
3377         ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
3378         if (ie) {
3379                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3380                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3381                                              "failed to parse WPA IE");
3382                         return FALSE;
3383                 }
3384         }
3385
3386         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3387 }
3388
3389
3390 /**
3391  * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
3392  * @iter: Pointer to incoming dbus message iter
3393  * @error: Location to store error on failure
3394  * @user_data: Function specific data
3395  * Returns: TRUE on success, FALSE on failure
3396  *
3397  * Getter for "RSN" property.
3398  */
3399 dbus_bool_t wpas_dbus_getter_bss_rsn(DBusMessageIter *iter, DBusError *error,
3400                                      void *user_data)
3401 {
3402         struct bss_handler_args *args = user_data;
3403         struct wpa_bss *res;
3404         struct wpa_ie_data wpa_data;
3405         const u8 *ie;
3406
3407         res = get_bss_helper(args, error, __func__);
3408         if (!res)
3409                 return FALSE;
3410
3411         os_memset(&wpa_data, 0, sizeof(wpa_data));
3412         ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
3413         if (ie) {
3414                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3415                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3416                                              "failed to parse RSN IE");
3417                         return FALSE;
3418                 }
3419         }
3420
3421         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3422 }
3423
3424
3425 /**
3426  * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
3427  * @iter: Pointer to incoming dbus message iter
3428  * @error: Location to store error on failure
3429  * @user_data: Function specific data
3430  * Returns: TRUE on success, FALSE on failure
3431  *
3432  * Getter for "WPS" property.
3433  */
3434 dbus_bool_t wpas_dbus_getter_bss_wps(DBusMessageIter *iter, DBusError *error,
3435                                      void *user_data)
3436 {
3437         struct bss_handler_args *args = user_data;
3438         struct wpa_bss *res;
3439 #ifdef CONFIG_WPS
3440         struct wpabuf *wps_ie;
3441 #endif /* CONFIG_WPS */
3442         DBusMessageIter iter_dict, variant_iter;
3443         const char *type = "";
3444
3445         res = get_bss_helper(args, error, __func__);
3446         if (!res)
3447                 return FALSE;
3448
3449         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3450                                               "a{sv}", &variant_iter))
3451                 goto nomem;
3452
3453         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3454                 goto nomem;
3455
3456 #ifdef CONFIG_WPS
3457         wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
3458         if (wps_ie) {
3459                 if (wps_is_selected_pbc_registrar(wps_ie))
3460                         type = "pbc";
3461                 else if (wps_is_selected_pin_registrar(wps_ie))
3462                         type = "pin";
3463         }
3464 #endif /* CONFIG_WPS */
3465
3466         if (!wpa_dbus_dict_append_string(&iter_dict, "Type", type))
3467                 goto nomem;
3468
3469         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3470                 goto nomem;
3471         if (!dbus_message_iter_close_container(iter, &variant_iter))
3472                 goto nomem;
3473
3474         return TRUE;
3475
3476 nomem:
3477         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3478         return FALSE;
3479 }
3480
3481
3482 /**
3483  * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
3484  * @iter: Pointer to incoming dbus message iter
3485  * @error: Location to store error on failure
3486  * @user_data: Function specific data
3487  * Returns: TRUE on success, FALSE on failure
3488  *
3489  * Getter for "IEs" property.
3490  */
3491 dbus_bool_t wpas_dbus_getter_bss_ies(DBusMessageIter *iter, DBusError *error,
3492                                      void *user_data)
3493 {
3494         struct bss_handler_args *args = user_data;
3495         struct wpa_bss *res;
3496
3497         res = get_bss_helper(args, error, __func__);
3498         if (!res)
3499                 return FALSE;
3500
3501         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3502                                                       res + 1, res->ie_len,
3503                                                       error);
3504 }
3505
3506
3507 /**
3508  * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
3509  * @iter: Pointer to incoming dbus message iter
3510  * @error: Location to store error on failure
3511  * @user_data: Function specific data
3512  * Returns: TRUE on success, FALSE on failure
3513  *
3514  * Getter for "enabled" property of a configured network.
3515  */
3516 dbus_bool_t wpas_dbus_getter_enabled(DBusMessageIter *iter, DBusError *error,
3517                                      void *user_data)
3518 {
3519         struct network_handler_args *net = user_data;
3520         dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
3521
3522         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3523                                                 &enabled, error);
3524 }
3525
3526
3527 /**
3528  * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
3529  * @iter: Pointer to incoming dbus message iter
3530  * @error: Location to store error on failure
3531  * @user_data: Function specific data
3532  * Returns: TRUE on success, FALSE on failure
3533  *
3534  * Setter for "Enabled" property of a configured network.
3535  */
3536 dbus_bool_t wpas_dbus_setter_enabled(DBusMessageIter *iter, DBusError *error,
3537                                      void *user_data)
3538 {
3539         struct network_handler_args *net = user_data;
3540         struct wpa_supplicant *wpa_s;
3541         struct wpa_ssid *ssid;
3542         dbus_bool_t enable;
3543
3544         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
3545                                               &enable))
3546                 return FALSE;
3547
3548         wpa_s = net->wpa_s;
3549         ssid = net->ssid;
3550
3551         if (enable)
3552                 wpa_supplicant_enable_network(wpa_s, ssid);
3553         else
3554                 wpa_supplicant_disable_network(wpa_s, ssid);
3555
3556         return TRUE;
3557 }
3558
3559
3560 /**
3561  * wpas_dbus_getter_network_properties - Get options for a configured network
3562  * @iter: Pointer to incoming dbus message iter
3563  * @error: Location to store error on failure
3564  * @user_data: Function specific data
3565  * Returns: TRUE on success, FALSE on failure
3566  *
3567  * Getter for "Properties" property of a configured network.
3568  */
3569 dbus_bool_t wpas_dbus_getter_network_properties(DBusMessageIter *iter,
3570                                                 DBusError *error,
3571                                                 void *user_data)
3572 {
3573         struct network_handler_args *net = user_data;
3574         DBusMessageIter variant_iter, dict_iter;
3575         char **iterator;
3576         char **props = wpa_config_get_all(net->ssid, 1);
3577         dbus_bool_t success = FALSE;
3578
3579         if (!props) {
3580                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3581                 return FALSE;
3582         }
3583
3584         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
3585                                               &variant_iter) ||
3586             !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
3587                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3588                 goto out;
3589         }
3590
3591         iterator = props;
3592         while (*iterator) {
3593                 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
3594                                                  *(iterator + 1))) {
3595                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3596                                              "no memory");
3597                         goto out;
3598                 }
3599                 iterator += 2;
3600         }
3601
3602
3603         if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
3604             !dbus_message_iter_close_container(iter, &variant_iter)) {
3605                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3606                 goto out;
3607         }
3608
3609         success = TRUE;
3610
3611 out:
3612         iterator = props;
3613         while (*iterator) {
3614                 os_free(*iterator);
3615                 iterator++;
3616         }
3617         os_free(props);
3618         return success;
3619 }
3620
3621
3622 /**
3623  * wpas_dbus_setter_network_properties - Set options for a configured network
3624  * @iter: Pointer to incoming dbus message iter
3625  * @error: Location to store error on failure
3626  * @user_data: Function specific data
3627  * Returns: TRUE on success, FALSE on failure
3628  *
3629  * Setter for "Properties" property of a configured network.
3630  */
3631 dbus_bool_t wpas_dbus_setter_network_properties(DBusMessageIter *iter,
3632                                                 DBusError *error,
3633                                                 void *user_data)
3634 {
3635         struct network_handler_args *net = user_data;
3636         struct wpa_ssid *ssid = net->ssid;
3637         DBusMessageIter variant_iter;
3638
3639         dbus_message_iter_recurse(iter, &variant_iter);
3640         return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
3641 }
3642
3643
3644 #ifdef CONFIG_AP
3645
3646 DBusMessage * wpas_dbus_handler_subscribe_preq(
3647         DBusMessage *message, struct wpa_supplicant *wpa_s)
3648 {
3649         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3650         char *name;
3651
3652         if (wpa_s->preq_notify_peer != NULL) {
3653                 if (os_strcmp(dbus_message_get_sender(message),
3654                               wpa_s->preq_notify_peer) == 0)
3655                         return NULL;
3656
3657                 return dbus_message_new_error(message,
3658                         WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
3659                         "Another application is already subscribed");
3660         }
3661
3662         name = os_strdup(dbus_message_get_sender(message));
3663         if (!name)
3664                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3665                                               "out of memory");
3666
3667         wpa_s->preq_notify_peer = name;
3668
3669         /* Subscribe to clean up if application closes socket */
3670         wpas_dbus_subscribe_noc(priv);
3671
3672         /*
3673          * Double-check it's still alive to make sure that we didn't
3674          * miss the NameOwnerChanged signal, e.g. while strdup'ing.
3675          */
3676         if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
3677                 /*
3678                  * Application no longer exists, clean up.
3679                  * The return value is irrelevant now.
3680                  *
3681                  * Need to check if the NameOwnerChanged handling
3682                  * already cleaned up because we have processed
3683                  * DBus messages while checking if the name still
3684                  * has an owner.
3685                  */
3686                 if (!wpa_s->preq_notify_peer)
3687                         return NULL;
3688                 os_free(wpa_s->preq_notify_peer);
3689                 wpa_s->preq_notify_peer = NULL;
3690                 wpas_dbus_unsubscribe_noc(priv);
3691         }
3692
3693         return NULL;
3694 }
3695
3696
3697 DBusMessage * wpas_dbus_handler_unsubscribe_preq(
3698         DBusMessage *message, struct wpa_supplicant *wpa_s)
3699 {
3700         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3701
3702         if (!wpa_s->preq_notify_peer)
3703                 return dbus_message_new_error(message,
3704                         WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
3705                         "Not subscribed");
3706
3707         if (os_strcmp(wpa_s->preq_notify_peer,
3708                       dbus_message_get_sender(message)))
3709                 return dbus_message_new_error(message,
3710                         WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
3711                         "Can't unsubscribe others");
3712
3713         os_free(wpa_s->preq_notify_peer);
3714         wpa_s->preq_notify_peer = NULL;
3715         wpas_dbus_unsubscribe_noc(priv);
3716         return NULL;
3717 }
3718
3719
3720 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
3721                            const u8 *addr, const u8 *dst, const u8 *bssid,
3722                            const u8 *ie, size_t ie_len, u32 ssi_signal)
3723 {
3724         DBusMessage *msg;
3725         DBusMessageIter iter, dict_iter;
3726         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3727
3728         /* Do nothing if the control interface is not turned on */
3729         if (priv == NULL)
3730                 return;
3731
3732         if (wpa_s->preq_notify_peer == NULL)
3733                 return;
3734
3735         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
3736                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
3737                                       "ProbeRequest");
3738         if (msg == NULL)
3739                 return;
3740
3741         dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
3742
3743         dbus_message_iter_init_append(msg, &iter);
3744
3745         if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
3746                 goto fail;
3747         if (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
3748                                                      (const char *) addr,
3749                                                      ETH_ALEN))
3750                 goto fail;
3751         if (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
3752                                                     (const char *) dst,
3753                                                     ETH_ALEN))
3754                 goto fail;
3755         if (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
3756                                                       (const char *) bssid,
3757                                                       ETH_ALEN))
3758                 goto fail;
3759         if (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
3760                                                              (const char *) ie,
3761                                                              ie_len))
3762                 goto fail;
3763         if (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
3764                                                       ssi_signal))
3765                 goto fail;
3766         if (!wpa_dbus_dict_close_write(&iter, &dict_iter))
3767                 goto fail;
3768
3769         dbus_connection_send(priv->con, msg, NULL);
3770         goto out;
3771 fail:
3772         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
3773 out:
3774         dbus_message_unref(msg);
3775 }
3776
3777 #endif /* CONFIG_AP */