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 /**
1700  * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1701  * @message: Pointer to incoming dbus message
1702  * @wpa_s: %wpa_supplicant data structure
1703  * Returns: A dbus message containing an error on failure or NULL on success
1704  *
1705  * Asks wpa_supplicant to internally store a binary blobs.
1706  */
1707 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1708                                          struct wpa_supplicant *wpa_s)
1709 {
1710         DBusMessage *reply = NULL;
1711         DBusMessageIter iter, array_iter;
1712
1713         char *blob_name;
1714         u8 *blob_data;
1715         int blob_len;
1716         struct wpa_config_blob *blob = NULL;
1717
1718         dbus_message_iter_init(message, &iter);
1719         dbus_message_iter_get_basic(&iter, &blob_name);
1720
1721         if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1722                 return dbus_message_new_error(message,
1723                                               WPAS_DBUS_ERROR_BLOB_EXISTS,
1724                                               NULL);
1725         }
1726
1727         dbus_message_iter_next(&iter);
1728         dbus_message_iter_recurse(&iter, &array_iter);
1729
1730         dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1731
1732         blob = os_zalloc(sizeof(*blob));
1733         if (!blob) {
1734                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1735                                                NULL);
1736                 goto err;
1737         }
1738
1739         blob->data = os_malloc(blob_len);
1740         if (!blob->data) {
1741                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1742                                                NULL);
1743                 goto err;
1744         }
1745         os_memcpy(blob->data, blob_data, blob_len);
1746
1747         blob->len = blob_len;
1748         blob->name = os_strdup(blob_name);
1749         if (!blob->name) {
1750                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1751                                                NULL);
1752                 goto err;
1753         }
1754
1755         wpa_config_set_blob(wpa_s->conf, blob);
1756         wpas_notify_blob_added(wpa_s, blob->name);
1757
1758         return reply;
1759
1760 err:
1761         if (blob) {
1762                 os_free(blob->name);
1763                 os_free(blob->data);
1764                 os_free(blob);
1765         }
1766         return reply;
1767 }
1768
1769
1770 /**
1771  * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1772  * @message: Pointer to incoming dbus message
1773  * @wpa_s: %wpa_supplicant data structure
1774  * Returns: A dbus message containing array of bytes (blob)
1775  *
1776  * Gets one wpa_supplicant's binary blobs.
1777  */
1778 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1779                                          struct wpa_supplicant *wpa_s)
1780 {
1781         DBusMessage *reply = NULL;
1782         DBusMessageIter iter, array_iter;
1783
1784         char *blob_name;
1785         const struct wpa_config_blob *blob;
1786
1787         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1788                               DBUS_TYPE_INVALID);
1789
1790         blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1791         if (!blob) {
1792                 return dbus_message_new_error(message,
1793                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1794                                               "Blob id not set");
1795         }
1796
1797         reply = dbus_message_new_method_return(message);
1798         if (!reply) {
1799                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1800                                                NULL);
1801                 goto out;
1802         }
1803
1804         dbus_message_iter_init_append(reply, &iter);
1805
1806         if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1807                                               DBUS_TYPE_BYTE_AS_STRING,
1808                                               &array_iter)) {
1809                 dbus_message_unref(reply);
1810                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1811                                                NULL);
1812                 goto out;
1813         }
1814
1815         if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1816                                                   &(blob->data), blob->len)) {
1817                 dbus_message_unref(reply);
1818                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1819                                                NULL);
1820                 goto out;
1821         }
1822
1823         if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1824                 dbus_message_unref(reply);
1825                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1826                                                NULL);
1827                 goto out;
1828         }
1829
1830 out:
1831         return reply;
1832 }
1833
1834
1835 /**
1836  * wpas_remove_handler_remove_blob - Remove named binary blob
1837  * @message: Pointer to incoming dbus message
1838  * @wpa_s: %wpa_supplicant data structure
1839  * Returns: NULL on success or dbus error
1840  *
1841  * Asks wpa_supplicant to internally remove a binary blobs.
1842  */
1843 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1844                                             struct wpa_supplicant *wpa_s)
1845 {
1846         DBusMessage *reply = NULL;
1847         char *blob_name;
1848
1849         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1850                               DBUS_TYPE_INVALID);
1851
1852         if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1853                 return dbus_message_new_error(message,
1854                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1855                                               "Blob id not set");
1856         }
1857         wpas_notify_blob_removed(wpa_s, blob_name);
1858
1859         return reply;
1860
1861 }
1862
1863 /*
1864  * wpas_dbus_handler_flush_bss - Flush the BSS cache
1865  * @message: Pointer to incoming dbus message
1866  * @wpa_s: wpa_supplicant structure for a network interface
1867  * Returns: NULL
1868  *
1869  * Handler function for "FlushBSS" method call of network interface.
1870  */
1871 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
1872                                           struct wpa_supplicant *wpa_s)
1873 {
1874         dbus_uint32_t age;
1875
1876         dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
1877                               DBUS_TYPE_INVALID);
1878
1879         if (age == 0)
1880                 wpa_bss_flush(wpa_s);
1881         else
1882                 wpa_bss_flush_by_age(wpa_s, age);
1883
1884         return NULL;
1885 }
1886
1887
1888 #ifdef CONFIG_AUTOSCAN
1889 /**
1890  * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
1891  * @message: Pointer to incoming dbus message
1892  * @wpa_s: wpa_supplicant structure for a network interface
1893  * Returns: NULL
1894  *
1895  * Handler function for "AutoScan" method call of network interface.
1896  */
1897 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
1898                                          struct wpa_supplicant *wpa_s)
1899 {
1900         DBusMessage *reply = NULL;
1901         enum wpa_states state = wpa_s->wpa_state;
1902         char *arg;
1903
1904         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
1905                               DBUS_TYPE_INVALID);
1906
1907         if (arg != NULL && os_strlen(arg) > 0) {
1908                 char *tmp;
1909                 tmp = os_strdup(arg);
1910                 if (tmp == NULL) {
1911                         reply = dbus_message_new_error(message,
1912                                                        DBUS_ERROR_NO_MEMORY,
1913                                                        NULL);
1914                 } else {
1915                         os_free(wpa_s->conf->autoscan);
1916                         wpa_s->conf->autoscan = tmp;
1917                         if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
1918                                 autoscan_init(wpa_s, 1);
1919                         else if (state == WPA_SCANNING)
1920                                 wpa_supplicant_reinit_autoscan(wpa_s);
1921                 }
1922         } else if (arg != NULL && os_strlen(arg) == 0) {
1923                 os_free(wpa_s->conf->autoscan);
1924                 wpa_s->conf->autoscan = NULL;
1925                 autoscan_deinit(wpa_s);
1926         } else
1927                 reply = dbus_message_new_error(message,
1928                                                DBUS_ERROR_INVALID_ARGS,
1929                                                NULL);
1930
1931         return reply;
1932 }
1933 #endif /* CONFIG_AUTOSCAN */
1934
1935
1936 /**
1937  * wpas_dbus_getter_capabilities - Return interface capabilities
1938  * @iter: Pointer to incoming dbus message iter
1939  * @error: Location to store error on failure
1940  * @user_data: Function specific data
1941  * Returns: TRUE on success, FALSE on failure
1942  *
1943  * Getter for "Capabilities" property of an interface.
1944  */
1945 dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
1946                                           DBusError *error, void *user_data)
1947 {
1948         struct wpa_supplicant *wpa_s = user_data;
1949         struct wpa_driver_capa capa;
1950         int res;
1951         DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
1952                 variant_iter;
1953         const char *scans[] = { "active", "passive", "ssid" };
1954
1955         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
1956                                               "a{sv}", &variant_iter))
1957                 goto nomem;
1958
1959         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1960                 goto nomem;
1961
1962         res = wpa_drv_get_capa(wpa_s, &capa);
1963
1964         /***** pairwise cipher */
1965         if (res < 0) {
1966                 const char *args[] = {"ccmp", "tkip", "none"};
1967                 if (!wpa_dbus_dict_append_string_array(
1968                             &iter_dict, "Pairwise", args,
1969                             sizeof(args) / sizeof(char*)))
1970                         goto nomem;
1971         } else {
1972                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1973                                                       &iter_dict_entry,
1974                                                       &iter_dict_val,
1975                                                       &iter_array))
1976                         goto nomem;
1977
1978                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1979                         if (!wpa_dbus_dict_string_array_add_element(
1980                                     &iter_array, "ccmp"))
1981                                 goto nomem;
1982                 }
1983
1984                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1985                         if (!wpa_dbus_dict_string_array_add_element(
1986                                     &iter_array, "gcmp"))
1987                                 goto nomem;
1988                 }
1989
1990                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1991                         if (!wpa_dbus_dict_string_array_add_element(
1992                                     &iter_array, "tkip"))
1993                                 goto nomem;
1994                 }
1995
1996                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1997                         if (!wpa_dbus_dict_string_array_add_element(
1998                                     &iter_array, "none"))
1999                                 goto nomem;
2000                 }
2001
2002                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2003                                                     &iter_dict_entry,
2004                                                     &iter_dict_val,
2005                                                     &iter_array))
2006                         goto nomem;
2007         }
2008
2009         /***** group cipher */
2010         if (res < 0) {
2011                 const char *args[] = {
2012                         "ccmp", "tkip", "wep104", "wep40"
2013                 };
2014                 if (!wpa_dbus_dict_append_string_array(
2015                             &iter_dict, "Group", args,
2016                             sizeof(args) / sizeof(char*)))
2017                         goto nomem;
2018         } else {
2019                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
2020                                                       &iter_dict_entry,
2021                                                       &iter_dict_val,
2022                                                       &iter_array))
2023                         goto nomem;
2024
2025                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2026                         if (!wpa_dbus_dict_string_array_add_element(
2027                                     &iter_array, "ccmp"))
2028                                 goto nomem;
2029                 }
2030
2031                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2032                         if (!wpa_dbus_dict_string_array_add_element(
2033                                     &iter_array, "gcmp"))
2034                                 goto nomem;
2035                 }
2036
2037                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2038                         if (!wpa_dbus_dict_string_array_add_element(
2039                                     &iter_array, "tkip"))
2040                                 goto nomem;
2041                 }
2042
2043                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2044                         if (!wpa_dbus_dict_string_array_add_element(
2045                                     &iter_array, "wep104"))
2046                                 goto nomem;
2047                 }
2048
2049                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2050                         if (!wpa_dbus_dict_string_array_add_element(
2051                                     &iter_array, "wep40"))
2052                                 goto nomem;
2053                 }
2054
2055                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2056                                                     &iter_dict_entry,
2057                                                     &iter_dict_val,
2058                                                     &iter_array))
2059                         goto nomem;
2060         }
2061
2062         /***** key management */
2063         if (res < 0) {
2064                 const char *args[] = {
2065                         "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
2066 #ifdef CONFIG_WPS
2067                         "wps",
2068 #endif /* CONFIG_WPS */
2069                         "none"
2070                 };
2071                 if (!wpa_dbus_dict_append_string_array(
2072                             &iter_dict, "KeyMgmt", args,
2073                             sizeof(args) / sizeof(char*)))
2074                         goto nomem;
2075         } else {
2076                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
2077                                                       &iter_dict_entry,
2078                                                       &iter_dict_val,
2079                                                       &iter_array))
2080                         goto nomem;
2081
2082                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2083                                                             "none"))
2084                         goto nomem;
2085
2086                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2087                                                             "ieee8021x"))
2088                         goto nomem;
2089
2090                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2091                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2092                         if (!wpa_dbus_dict_string_array_add_element(
2093                                     &iter_array, "wpa-eap"))
2094                                 goto nomem;
2095
2096                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
2097                                 if (!wpa_dbus_dict_string_array_add_element(
2098                                             &iter_array, "wpa-ft-eap"))
2099                                         goto nomem;
2100
2101 /* TODO: Ensure that driver actually supports sha256 encryption. */
2102 #ifdef CONFIG_IEEE80211W
2103                         if (!wpa_dbus_dict_string_array_add_element(
2104                                     &iter_array, "wpa-eap-sha256"))
2105                                 goto nomem;
2106 #endif /* CONFIG_IEEE80211W */
2107                 }
2108
2109                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2110                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2111                         if (!wpa_dbus_dict_string_array_add_element(
2112                                     &iter_array, "wpa-psk"))
2113                                 goto nomem;
2114
2115                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
2116                                 if (!wpa_dbus_dict_string_array_add_element(
2117                                             &iter_array, "wpa-ft-psk"))
2118                                         goto nomem;
2119
2120 /* TODO: Ensure that driver actually supports sha256 encryption. */
2121 #ifdef CONFIG_IEEE80211W
2122                         if (!wpa_dbus_dict_string_array_add_element(
2123                                     &iter_array, "wpa-psk-sha256"))
2124                                 goto nomem;
2125 #endif /* CONFIG_IEEE80211W */
2126                 }
2127
2128                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2129                         if (!wpa_dbus_dict_string_array_add_element(
2130                                     &iter_array, "wpa-none"))
2131                                 goto nomem;
2132                 }
2133
2134
2135 #ifdef CONFIG_WPS
2136                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2137                                                             "wps"))
2138                         goto nomem;
2139 #endif /* CONFIG_WPS */
2140
2141                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2142                                                     &iter_dict_entry,
2143                                                     &iter_dict_val,
2144                                                     &iter_array))
2145                         goto nomem;
2146         }
2147
2148         /***** WPA protocol */
2149         if (res < 0) {
2150                 const char *args[] = { "rsn", "wpa" };
2151                 if (!wpa_dbus_dict_append_string_array(
2152                             &iter_dict, "Protocol", args,
2153                             sizeof(args) / sizeof(char*)))
2154                         goto nomem;
2155         } else {
2156                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
2157                                                       &iter_dict_entry,
2158                                                       &iter_dict_val,
2159                                                       &iter_array))
2160                         goto nomem;
2161
2162                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2163                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2164                         if (!wpa_dbus_dict_string_array_add_element(
2165                                     &iter_array, "rsn"))
2166                                 goto nomem;
2167                 }
2168
2169                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2170                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2171                         if (!wpa_dbus_dict_string_array_add_element(
2172                                     &iter_array, "wpa"))
2173                                 goto nomem;
2174                 }
2175
2176                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2177                                                     &iter_dict_entry,
2178                                                     &iter_dict_val,
2179                                                     &iter_array))
2180                         goto nomem;
2181         }
2182
2183         /***** auth alg */
2184         if (res < 0) {
2185                 const char *args[] = { "open", "shared", "leap" };
2186                 if (!wpa_dbus_dict_append_string_array(
2187                             &iter_dict, "AuthAlg", args,
2188                             sizeof(args) / sizeof(char*)))
2189                         goto nomem;
2190         } else {
2191                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2192                                                       &iter_dict_entry,
2193                                                       &iter_dict_val,
2194                                                       &iter_array))
2195                         goto nomem;
2196
2197                 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
2198                         if (!wpa_dbus_dict_string_array_add_element(
2199                                     &iter_array, "open"))
2200                                 goto nomem;
2201                 }
2202
2203                 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
2204                         if (!wpa_dbus_dict_string_array_add_element(
2205                                     &iter_array, "shared"))
2206                                 goto nomem;
2207                 }
2208
2209                 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
2210                         if (!wpa_dbus_dict_string_array_add_element(
2211                                     &iter_array, "leap"))
2212                                 goto nomem;
2213                 }
2214
2215                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2216                                                     &iter_dict_entry,
2217                                                     &iter_dict_val,
2218                                                     &iter_array))
2219                         goto nomem;
2220         }
2221
2222         /***** Scan */
2223         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2224                                                sizeof(scans) / sizeof(char *)))
2225                 goto nomem;
2226
2227         /***** Modes */
2228         if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
2229                                               &iter_dict_entry,
2230                                               &iter_dict_val,
2231                                               &iter_array))
2232                 goto nomem;
2233
2234         if (!wpa_dbus_dict_string_array_add_element(
2235                             &iter_array, "infrastructure"))
2236                 goto nomem;
2237
2238         if (!wpa_dbus_dict_string_array_add_element(
2239                             &iter_array, "ad-hoc"))
2240                 goto nomem;
2241
2242         if (res >= 0) {
2243                 if (capa.flags & (WPA_DRIVER_FLAGS_AP)) {
2244                         if (!wpa_dbus_dict_string_array_add_element(
2245                                     &iter_array, "ap"))
2246                                 goto nomem;
2247                 }
2248
2249                 if (capa.flags & (WPA_DRIVER_FLAGS_P2P_CAPABLE)) {
2250                         if (!wpa_dbus_dict_string_array_add_element(
2251                                     &iter_array, "p2p"))
2252                                 goto nomem;
2253                 }
2254         }
2255
2256         if (!wpa_dbus_dict_end_string_array(&iter_dict,
2257                                             &iter_dict_entry,
2258                                             &iter_dict_val,
2259                                             &iter_array))
2260                 goto nomem;
2261         /***** Modes end */
2262
2263         if (res >= 0) {
2264                 dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
2265
2266                 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
2267                                                 max_scan_ssid))
2268                         goto nomem;
2269         }
2270
2271         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2272                 goto nomem;
2273         if (!dbus_message_iter_close_container(iter, &variant_iter))
2274                 goto nomem;
2275
2276         return TRUE;
2277
2278 nomem:
2279         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2280         return FALSE;
2281 }
2282
2283
2284 /**
2285  * wpas_dbus_getter_state - Get interface state
2286  * @iter: Pointer to incoming dbus message iter
2287  * @error: Location to store error on failure
2288  * @user_data: Function specific data
2289  * Returns: TRUE on success, FALSE on failure
2290  *
2291  * Getter for "State" property.
2292  */
2293 dbus_bool_t wpas_dbus_getter_state(DBusMessageIter *iter, DBusError *error,
2294                                    void *user_data)
2295 {
2296         struct wpa_supplicant *wpa_s = user_data;
2297         const char *str_state;
2298         char *state_ls, *tmp;
2299         dbus_bool_t success = FALSE;
2300
2301         str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2302
2303         /* make state string lowercase to fit new DBus API convention
2304          */
2305         state_ls = tmp = os_strdup(str_state);
2306         if (!tmp) {
2307                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2308                 return FALSE;
2309         }
2310         while (*tmp) {
2311                 *tmp = tolower(*tmp);
2312                 tmp++;
2313         }
2314
2315         success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2316                                                    &state_ls, error);
2317
2318         os_free(state_ls);
2319
2320         return success;
2321 }
2322
2323
2324 /**
2325  * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2326  * @iter: Pointer to incoming dbus message iter
2327  * @error: Location to store error on failure
2328  * @user_data: Function specific data
2329  * Returns: TRUE on success, FALSE on failure
2330  *
2331  * Getter for "scanning" property.
2332  */
2333 dbus_bool_t wpas_dbus_getter_scanning(DBusMessageIter *iter, DBusError *error,
2334                                       void *user_data)
2335 {
2336         struct wpa_supplicant *wpa_s = user_data;
2337         dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2338
2339         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2340                                                 &scanning, error);
2341 }
2342
2343
2344 /**
2345  * wpas_dbus_getter_ap_scan - Control roaming mode
2346  * @iter: Pointer to incoming dbus message iter
2347  * @error: Location to store error on failure
2348  * @user_data: Function specific data
2349  * Returns: TRUE on success, FALSE on failure
2350  *
2351  * Getter function for "ApScan" property.
2352  */
2353 dbus_bool_t wpas_dbus_getter_ap_scan(DBusMessageIter *iter, DBusError *error,
2354                                      void *user_data)
2355 {
2356         struct wpa_supplicant *wpa_s = user_data;
2357         dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2358
2359         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2360                                                 &ap_scan, error);
2361 }
2362
2363
2364 /**
2365  * wpas_dbus_setter_ap_scan - Control roaming mode
2366  * @iter: Pointer to incoming dbus message iter
2367  * @error: Location to store error on failure
2368  * @user_data: Function specific data
2369  * Returns: TRUE on success, FALSE on failure
2370  *
2371  * Setter function for "ApScan" property.
2372  */
2373 dbus_bool_t wpas_dbus_setter_ap_scan(DBusMessageIter *iter, DBusError *error,
2374                                      void *user_data)
2375 {
2376         struct wpa_supplicant *wpa_s = user_data;
2377         dbus_uint32_t ap_scan;
2378
2379         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2380                                               &ap_scan))
2381                 return FALSE;
2382
2383         if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2384                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2385                                      "ap_scan must be 0, 1, or 2");
2386                 return FALSE;
2387         }
2388         return TRUE;
2389 }
2390
2391
2392 /**
2393  * wpas_dbus_getter_fast_reauth - Control fast
2394  * reauthentication (TLS session resumption)
2395  * @iter: Pointer to incoming dbus message iter
2396  * @error: Location to store error on failure
2397  * @user_data: Function specific data
2398  * Returns: TRUE on success, FALSE on failure
2399  *
2400  * Getter function for "FastReauth" property.
2401  */
2402 dbus_bool_t wpas_dbus_getter_fast_reauth(DBusMessageIter *iter,
2403                                          DBusError *error,
2404                                          void *user_data)
2405 {
2406         struct wpa_supplicant *wpa_s = user_data;
2407         dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
2408
2409         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2410                                                 &fast_reauth, error);
2411 }
2412
2413
2414 /**
2415  * wpas_dbus_setter_fast_reauth - Control fast
2416  * reauthentication (TLS session resumption)
2417  * @iter: Pointer to incoming dbus message iter
2418  * @error: Location to store error on failure
2419  * @user_data: Function specific data
2420  * Returns: TRUE on success, FALSE on failure
2421  *
2422  * Setter function for "FastReauth" property.
2423  */
2424 dbus_bool_t wpas_dbus_setter_fast_reauth(DBusMessageIter *iter,
2425                                      DBusError *error,
2426                                      void *user_data)
2427 {
2428         struct wpa_supplicant *wpa_s = user_data;
2429         dbus_bool_t fast_reauth;
2430
2431         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
2432                                               &fast_reauth))
2433                 return FALSE;
2434
2435         wpa_s->conf->fast_reauth = fast_reauth;
2436         return TRUE;
2437 }
2438
2439
2440 /**
2441  * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
2442  * @iter: Pointer to incoming dbus message iter
2443  * @error: Location to store error on failure
2444  * @user_data: Function specific data
2445  * Returns: TRUE on success, FALSE on failure
2446  *
2447  * Getter for "DisconnectReason" property.  The reason is negative if it is
2448  * locally generated.
2449  */
2450 dbus_bool_t wpas_dbus_getter_disconnect_reason(DBusMessageIter *iter,
2451                                                DBusError *error,
2452                                                void *user_data)
2453 {
2454         struct wpa_supplicant *wpa_s = user_data;
2455         dbus_int32_t reason = wpa_s->disconnect_reason;
2456         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2457                                                 &reason, error);
2458 }
2459
2460
2461 /**
2462  * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2463  * @iter: Pointer to incoming dbus message iter
2464  * @error: Location to store error on failure
2465  * @user_data: Function specific data
2466  * Returns: TRUE on success, FALSE on failure
2467  *
2468  * Getter function for "BSSExpireAge" property.
2469  */
2470 dbus_bool_t wpas_dbus_getter_bss_expire_age(DBusMessageIter *iter,
2471                                             DBusError *error,
2472                                             void *user_data)
2473 {
2474         struct wpa_supplicant *wpa_s = user_data;
2475         dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2476
2477         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2478                                                 &expire_age, error);
2479 }
2480
2481
2482 /**
2483  * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2484  * @iter: Pointer to incoming dbus message iter
2485  * @error: Location to store error on failure
2486  * @user_data: Function specific data
2487  * Returns: TRUE on success, FALSE on failure
2488  *
2489  * Setter function for "BSSExpireAge" property.
2490  */
2491 dbus_bool_t wpas_dbus_setter_bss_expire_age(DBusMessageIter *iter,
2492                                             DBusError *error,
2493                                             void *user_data)
2494 {
2495         struct wpa_supplicant *wpa_s = user_data;
2496         dbus_uint32_t expire_age;
2497
2498         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2499                                               &expire_age))
2500                 return FALSE;
2501
2502         if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
2503                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2504                                      "BSSExpireAge must be >= 10");
2505                 return FALSE;
2506         }
2507         return TRUE;
2508 }
2509
2510
2511 /**
2512  * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
2513  * @iter: Pointer to incoming dbus message iter
2514  * @error: Location to store error on failure
2515  * @user_data: Function specific data
2516  * Returns: TRUE on success, FALSE on failure
2517  *
2518  * Getter function for "BSSExpireCount" property.
2519  */
2520 dbus_bool_t wpas_dbus_getter_bss_expire_count(DBusMessageIter *iter,
2521                                               DBusError *error,
2522                                               void *user_data)
2523 {
2524         struct wpa_supplicant *wpa_s = user_data;
2525         dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
2526
2527         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2528                                                 &expire_count, error);
2529 }
2530
2531
2532 /**
2533  * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
2534  * @iter: Pointer to incoming dbus message iter
2535  * @error: Location to store error on failure
2536  * @user_data: Function specific data
2537  * Returns: TRUE on success, FALSE on failure
2538  *
2539  * Setter function for "BSSExpireCount" property.
2540  */
2541 dbus_bool_t wpas_dbus_setter_bss_expire_count(DBusMessageIter *iter,
2542                                               DBusError *error,
2543                                               void *user_data)
2544 {
2545         struct wpa_supplicant *wpa_s = user_data;
2546         dbus_uint32_t expire_count;
2547
2548         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2549                                               &expire_count))
2550                 return FALSE;
2551
2552         if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
2553                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2554                                      "BSSExpireCount must be > 0");
2555                 return FALSE;
2556         }
2557         return TRUE;
2558 }
2559
2560
2561 /**
2562  * wpas_dbus_getter_country - Control country code
2563  * @iter: Pointer to incoming dbus message iter
2564  * @error: Location to store error on failure
2565  * @user_data: Function specific data
2566  * Returns: TRUE on success, FALSE on failure
2567  *
2568  * Getter function for "Country" property.
2569  */
2570 dbus_bool_t wpas_dbus_getter_country(DBusMessageIter *iter, DBusError *error,
2571                                      void *user_data)
2572 {
2573         struct wpa_supplicant *wpa_s = user_data;
2574         char country[3];
2575         char *str = country;
2576
2577         country[0] = wpa_s->conf->country[0];
2578         country[1] = wpa_s->conf->country[1];
2579         country[2] = '\0';
2580
2581         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2582                                                 &str, error);
2583 }
2584
2585
2586 /**
2587  * wpas_dbus_setter_country - Control country code
2588  * @iter: Pointer to incoming dbus message iter
2589  * @error: Location to store error on failure
2590  * @user_data: Function specific data
2591  * Returns: TRUE on success, FALSE on failure
2592  *
2593  * Setter function for "Country" property.
2594  */
2595 dbus_bool_t wpas_dbus_setter_country(DBusMessageIter *iter, DBusError *error,
2596                                      void *user_data)
2597 {
2598         struct wpa_supplicant *wpa_s = user_data;
2599         const char *country;
2600
2601         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
2602                                               &country))
2603                 return FALSE;
2604
2605         if (!country[0] || !country[1]) {
2606                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2607                                      "invalid country code");
2608                 return FALSE;
2609         }
2610
2611         if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
2612                 wpa_printf(MSG_DEBUG, "Failed to set country");
2613                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2614                                      "failed to set country code");
2615                 return FALSE;
2616         }
2617
2618         wpa_s->conf->country[0] = country[0];
2619         wpa_s->conf->country[1] = country[1];
2620         return TRUE;
2621 }
2622
2623
2624 /**
2625  * wpas_dbus_getter_scan_interval - Get scan interval
2626  * @iter: Pointer to incoming dbus message iter
2627  * @error: Location to store error on failure
2628  * @user_data: Function specific data
2629  * Returns: TRUE on success, FALSE on failure
2630  *
2631  * Getter function for "ScanInterval" property.
2632  */
2633 dbus_bool_t wpas_dbus_getter_scan_interval(DBusMessageIter *iter,
2634                                            DBusError *error,
2635                                            void *user_data)
2636 {
2637         struct wpa_supplicant *wpa_s = user_data;
2638         dbus_int32_t scan_interval = wpa_s->scan_interval;
2639
2640         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2641                                                 &scan_interval, error);
2642 }
2643
2644
2645 /**
2646  * wpas_dbus_setter_scan_interval - Control scan interval
2647  * @iter: Pointer to incoming dbus message iter
2648  * @error: Location to store error on failure
2649  * @user_data: Function specific data
2650  * Returns: TRUE on success, FALSE on failure
2651  *
2652  * Setter function for "ScanInterval" property.
2653  */
2654 dbus_bool_t wpas_dbus_setter_scan_interval(DBusMessageIter *iter,
2655                                            DBusError *error,
2656                                            void *user_data)
2657 {
2658         struct wpa_supplicant *wpa_s = user_data;
2659         dbus_int32_t scan_interval;
2660
2661         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
2662                                               &scan_interval))
2663                 return FALSE;
2664
2665         if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
2666                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2667                                      "scan_interval must be >= 0");
2668                 return FALSE;
2669         }
2670         return TRUE;
2671 }
2672
2673
2674 /**
2675  * wpas_dbus_getter_ifname - Get interface name
2676  * @iter: Pointer to incoming dbus message iter
2677  * @error: Location to store error on failure
2678  * @user_data: Function specific data
2679  * Returns: TRUE on success, FALSE on failure
2680  *
2681  * Getter for "Ifname" property.
2682  */
2683 dbus_bool_t wpas_dbus_getter_ifname(DBusMessageIter *iter, DBusError *error,
2684                                     void *user_data)
2685 {
2686         struct wpa_supplicant *wpa_s = user_data;
2687         const char *ifname = wpa_s->ifname;
2688
2689         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2690                                                 &ifname, error);
2691 }
2692
2693
2694 /**
2695  * wpas_dbus_getter_driver - Get interface name
2696  * @iter: Pointer to incoming dbus message iter
2697  * @error: Location to store error on failure
2698  * @user_data: Function specific data
2699  * Returns: TRUE on success, FALSE on failure
2700  *
2701  * Getter for "Driver" property.
2702  */
2703 dbus_bool_t wpas_dbus_getter_driver(DBusMessageIter *iter, DBusError *error,
2704                                     void *user_data)
2705 {
2706         struct wpa_supplicant *wpa_s = user_data;
2707         const char *driver;
2708
2709         if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2710                 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2711                            "wpa_s has no driver set");
2712                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
2713                                __func__);
2714                 return FALSE;
2715         }
2716
2717         driver = wpa_s->driver->name;
2718         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2719                                                 &driver, error);
2720 }
2721
2722
2723 /**
2724  * wpas_dbus_getter_current_bss - Get current bss object path
2725  * @iter: Pointer to incoming dbus message iter
2726  * @error: Location to store error on failure
2727  * @user_data: Function specific data
2728  * Returns: TRUE on success, FALSE on failure
2729  *
2730  * Getter for "CurrentBSS" property.
2731  */
2732 dbus_bool_t wpas_dbus_getter_current_bss(DBusMessageIter *iter,
2733                                          DBusError *error,
2734                                          void *user_data)
2735 {
2736         struct wpa_supplicant *wpa_s = user_data;
2737         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
2738
2739         if (wpa_s->current_bss)
2740                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2741                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2742                             wpa_s->dbus_new_path, wpa_s->current_bss->id);
2743         else
2744                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2745
2746         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2747                                                 &bss_obj_path, error);
2748 }
2749
2750
2751 /**
2752  * wpas_dbus_getter_current_network - Get current network object path
2753  * @iter: Pointer to incoming dbus message iter
2754  * @error: Location to store error on failure
2755  * @user_data: Function specific data
2756  * Returns: TRUE on success, FALSE on failure
2757  *
2758  * Getter for "CurrentNetwork" property.
2759  */
2760 dbus_bool_t wpas_dbus_getter_current_network(DBusMessageIter *iter,
2761                                              DBusError *error,
2762                                              void *user_data)
2763 {
2764         struct wpa_supplicant *wpa_s = user_data;
2765         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
2766
2767         if (wpa_s->current_ssid)
2768                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2769                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2770                             wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2771         else
2772                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2773
2774         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2775                                                 &net_obj_path, error);
2776 }
2777
2778
2779 /**
2780  * wpas_dbus_getter_current_auth_mode - Get current authentication type
2781  * @iter: Pointer to incoming dbus message iter
2782  * @error: Location to store error on failure
2783  * @user_data: Function specific data
2784  * Returns: TRUE on success, FALSE on failure
2785  *
2786  * Getter for "CurrentAuthMode" property.
2787  */
2788 dbus_bool_t wpas_dbus_getter_current_auth_mode(DBusMessageIter *iter,
2789                                                DBusError *error,
2790                                                void *user_data)
2791 {
2792         struct wpa_supplicant *wpa_s = user_data;
2793         const char *eap_mode;
2794         const char *auth_mode;
2795         char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
2796
2797         if (wpa_s->wpa_state != WPA_COMPLETED) {
2798                 auth_mode = "INACTIVE";
2799         } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
2800             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2801                 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
2802                 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
2803                             "EAP-%s", eap_mode);
2804                 auth_mode = eap_mode_buf;
2805
2806         } else {
2807                 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
2808                                              wpa_s->current_ssid->proto);
2809         }
2810
2811         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2812                                                 &auth_mode, error);
2813 }
2814
2815
2816 /**
2817  * wpas_dbus_getter_bridge_ifname - Get interface name
2818  * @iter: Pointer to incoming dbus message iter
2819  * @error: Location to store error on failure
2820  * @user_data: Function specific data
2821  * Returns: TRUE on success, FALSE on failure
2822  *
2823  * Getter for "BridgeIfname" property.
2824  */
2825 dbus_bool_t wpas_dbus_getter_bridge_ifname(DBusMessageIter *iter,
2826                                            DBusError *error,
2827                                            void *user_data)
2828 {
2829         struct wpa_supplicant *wpa_s = user_data;
2830         const char *bridge_ifname = wpa_s->bridge_ifname;
2831         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2832                                                 &bridge_ifname, error);
2833 }
2834
2835
2836 /**
2837  * wpas_dbus_getter_bsss - Get array of BSSs objects
2838  * @iter: Pointer to incoming dbus message iter
2839  * @error: Location to store error on failure
2840  * @user_data: Function specific data
2841  * Returns: TRUE on success, FALSE on failure
2842  *
2843  * Getter for "BSSs" property.
2844  */
2845 dbus_bool_t wpas_dbus_getter_bsss(DBusMessageIter *iter, DBusError *error,
2846                                   void *user_data)
2847 {
2848         struct wpa_supplicant *wpa_s = user_data;
2849         struct wpa_bss *bss;
2850         char **paths;
2851         unsigned int i = 0;
2852         dbus_bool_t success = FALSE;
2853
2854         paths = os_calloc(wpa_s->num_bss, sizeof(char *));
2855         if (!paths) {
2856                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2857                 return FALSE;
2858         }
2859
2860         /* Loop through scan results and append each result's object path */
2861         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2862                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2863                 if (paths[i] == NULL) {
2864                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2865                                              "no memory");
2866                         goto out;
2867                 }
2868                 /* Construct the object path for this BSS. */
2869                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2870                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2871                             wpa_s->dbus_new_path, bss->id);
2872         }
2873
2874         success = wpas_dbus_simple_array_property_getter(iter,
2875                                                          DBUS_TYPE_OBJECT_PATH,
2876                                                          paths, wpa_s->num_bss,
2877                                                          error);
2878
2879 out:
2880         while (i)
2881                 os_free(paths[--i]);
2882         os_free(paths);
2883         return success;
2884 }
2885
2886
2887 /**
2888  * wpas_dbus_getter_networks - Get array of networks objects
2889  * @iter: Pointer to incoming dbus message iter
2890  * @error: Location to store error on failure
2891  * @user_data: Function specific data
2892  * Returns: TRUE on success, FALSE on failure
2893  *
2894  * Getter for "Networks" property.
2895  */
2896 dbus_bool_t wpas_dbus_getter_networks(DBusMessageIter *iter, DBusError *error,
2897                                       void *user_data)
2898 {
2899         struct wpa_supplicant *wpa_s = user_data;
2900         struct wpa_ssid *ssid;
2901         char **paths;
2902         unsigned int i = 0, num = 0;
2903         dbus_bool_t success = FALSE;
2904
2905         if (wpa_s->conf == NULL) {
2906                 wpa_printf(MSG_ERROR, "%s[dbus]: An error occurred getting "
2907                            "networks list.", __func__);
2908                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: an error "
2909                                "occurred getting the networks list", __func__);
2910                 return FALSE;
2911         }
2912
2913         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2914                 if (!network_is_persistent_group(ssid))
2915                         num++;
2916
2917         paths = os_calloc(num, sizeof(char *));
2918         if (!paths) {
2919                 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2920                 return FALSE;
2921         }
2922
2923         /* Loop through configured networks and append object path of each */
2924         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2925                 if (network_is_persistent_group(ssid))
2926                         continue;
2927                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2928                 if (paths[i] == NULL) {
2929                         dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2930                         goto out;
2931                 }
2932
2933                 /* Construct the object path for this network. */
2934                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2935                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2936                             wpa_s->dbus_new_path, ssid->id);
2937         }
2938
2939         success = wpas_dbus_simple_array_property_getter(iter,
2940                                                          DBUS_TYPE_OBJECT_PATH,
2941                                                          paths, num, error);
2942
2943 out:
2944         while (i)
2945                 os_free(paths[--i]);
2946         os_free(paths);
2947         return success;
2948 }
2949
2950
2951 /**
2952  * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2953  * @iter: Pointer to incoming dbus message iter
2954  * @error: Location to store error on failure
2955  * @user_data: Function specific data
2956  * Returns: TRUE on success, FALSE on failure
2957  *
2958  * Getter for "Blobs" property.
2959  */
2960 dbus_bool_t wpas_dbus_getter_blobs(DBusMessageIter *iter, DBusError *error,
2961                                    void *user_data)
2962 {
2963         struct wpa_supplicant *wpa_s = user_data;
2964         DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
2965         struct wpa_config_blob *blob;
2966
2967         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
2968                                               "a{say}", &variant_iter) ||
2969             !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2970                                               "{say}", &dict_iter)) {
2971                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2972                 return FALSE;
2973         }
2974
2975         blob = wpa_s->conf->blobs;
2976         while (blob) {
2977                 if (!dbus_message_iter_open_container(&dict_iter,
2978                                                       DBUS_TYPE_DICT_ENTRY,
2979                                                       NULL, &entry_iter) ||
2980                     !dbus_message_iter_append_basic(&entry_iter,
2981                                                     DBUS_TYPE_STRING,
2982                                                     &(blob->name)) ||
2983                     !dbus_message_iter_open_container(&entry_iter,
2984                                                       DBUS_TYPE_ARRAY,
2985                                                       DBUS_TYPE_BYTE_AS_STRING,
2986                                                       &array_iter) ||
2987                     !dbus_message_iter_append_fixed_array(&array_iter,
2988                                                           DBUS_TYPE_BYTE,
2989                                                           &(blob->data),
2990                                                           blob->len) ||
2991                     !dbus_message_iter_close_container(&entry_iter,
2992                                                        &array_iter) ||
2993                     !dbus_message_iter_close_container(&dict_iter,
2994                                                        &entry_iter)) {
2995                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2996                                              "no memory");
2997                         return FALSE;
2998                 }
2999
3000                 blob = blob->next;
3001         }
3002
3003         if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
3004             !dbus_message_iter_close_container(iter, &variant_iter)) {
3005                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3006                 return FALSE;
3007         }
3008
3009         return TRUE;
3010 }
3011
3012
3013 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
3014                                        DBusError *error, const char *func_name)
3015 {
3016         struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
3017
3018         if (!res) {
3019                 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
3020                            func_name, args->id);
3021                 dbus_set_error(error, DBUS_ERROR_FAILED,
3022                                "%s: BSS %d not found",
3023                                func_name, args->id);
3024         }
3025
3026         return res;
3027 }
3028
3029
3030 /**
3031  * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
3032  * @iter: Pointer to incoming dbus message iter
3033  * @error: Location to store error on failure
3034  * @user_data: Function specific data
3035  * Returns: TRUE on success, FALSE on failure
3036  *
3037  * Getter for "BSSID" property.
3038  */
3039 dbus_bool_t wpas_dbus_getter_bss_bssid(DBusMessageIter *iter, DBusError *error,
3040                                        void *user_data)
3041 {
3042         struct bss_handler_args *args = user_data;
3043         struct wpa_bss *res;
3044
3045         res = get_bss_helper(args, error, __func__);
3046         if (!res)
3047                 return FALSE;
3048
3049         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3050                                                       res->bssid, ETH_ALEN,
3051                                                       error);
3052 }
3053
3054
3055 /**
3056  * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
3057  * @iter: Pointer to incoming dbus message iter
3058  * @error: Location to store error on failure
3059  * @user_data: Function specific data
3060  * Returns: TRUE on success, FALSE on failure
3061  *
3062  * Getter for "SSID" property.
3063  */
3064 dbus_bool_t wpas_dbus_getter_bss_ssid(DBusMessageIter *iter, DBusError *error,
3065                                       void *user_data)
3066 {
3067         struct bss_handler_args *args = user_data;
3068         struct wpa_bss *res;
3069
3070         res = get_bss_helper(args, error, __func__);
3071         if (!res)
3072                 return FALSE;
3073
3074         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3075                                                       res->ssid, res->ssid_len,
3076                                                       error);
3077 }
3078
3079
3080 /**
3081  * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
3082  * @iter: Pointer to incoming dbus message iter
3083  * @error: Location to store error on failure
3084  * @user_data: Function specific data
3085  * Returns: TRUE on success, FALSE on failure
3086  *
3087  * Getter for "Privacy" property.
3088  */
3089 dbus_bool_t wpas_dbus_getter_bss_privacy(DBusMessageIter *iter,
3090                                          DBusError *error, void *user_data)
3091 {
3092         struct bss_handler_args *args = user_data;
3093         struct wpa_bss *res;
3094         dbus_bool_t privacy;
3095
3096         res = get_bss_helper(args, error, __func__);
3097         if (!res)
3098                 return FALSE;
3099
3100         privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
3101         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3102                                                 &privacy, error);
3103 }
3104
3105
3106 /**
3107  * wpas_dbus_getter_bss_mode - Return the mode of a BSS
3108  * @iter: Pointer to incoming dbus message iter
3109  * @error: Location to store error on failure
3110  * @user_data: Function specific data
3111  * Returns: TRUE on success, FALSE on failure
3112  *
3113  * Getter for "Mode" property.
3114  */
3115 dbus_bool_t wpas_dbus_getter_bss_mode(DBusMessageIter *iter, DBusError *error,
3116                                       void *user_data)
3117 {
3118         struct bss_handler_args *args = user_data;
3119         struct wpa_bss *res;
3120         const char *mode;
3121
3122         res = get_bss_helper(args, error, __func__);
3123         if (!res)
3124                 return FALSE;
3125
3126         if (res->caps & IEEE80211_CAP_IBSS)
3127                 mode = "ad-hoc";
3128         else
3129                 mode = "infrastructure";
3130
3131         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3132                                                 &mode, error);
3133 }
3134
3135
3136 /**
3137  * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
3138  * @iter: Pointer to incoming dbus message iter
3139  * @error: Location to store error on failure
3140  * @user_data: Function specific data
3141  * Returns: TRUE on success, FALSE on failure
3142  *
3143  * Getter for "Level" property.
3144  */
3145 dbus_bool_t wpas_dbus_getter_bss_signal(DBusMessageIter *iter,
3146                                         DBusError *error, void *user_data)
3147 {
3148         struct bss_handler_args *args = user_data;
3149         struct wpa_bss *res;
3150         s16 level;
3151
3152         res = get_bss_helper(args, error, __func__);
3153         if (!res)
3154                 return FALSE;
3155
3156         level = (s16) res->level;
3157         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
3158                                                 &level, error);
3159 }
3160
3161
3162 /**
3163  * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
3164  * @iter: Pointer to incoming dbus message iter
3165  * @error: Location to store error on failure
3166  * @user_data: Function specific data
3167  * Returns: TRUE on success, FALSE on failure
3168  *
3169  * Getter for "Frequency" property.
3170  */
3171 dbus_bool_t wpas_dbus_getter_bss_frequency(DBusMessageIter *iter,
3172                                            DBusError *error, void *user_data)
3173 {
3174         struct bss_handler_args *args = user_data;
3175         struct wpa_bss *res;
3176         u16 freq;
3177
3178         res = get_bss_helper(args, error, __func__);
3179         if (!res)
3180                 return FALSE;
3181
3182         freq = (u16) res->freq;
3183         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
3184                                                 &freq, error);
3185 }
3186
3187
3188 static int cmp_u8s_desc(const void *a, const void *b)
3189 {
3190         return (*(u8 *) b - *(u8 *) a);
3191 }
3192
3193
3194 /**
3195  * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
3196  * @iter: Pointer to incoming dbus message iter
3197  * @error: Location to store error on failure
3198  * @user_data: Function specific data
3199  * Returns: TRUE on success, FALSE on failure
3200  *
3201  * Getter for "Rates" property.
3202  */
3203 dbus_bool_t wpas_dbus_getter_bss_rates(DBusMessageIter *iter,
3204                                        DBusError *error, void *user_data)
3205 {
3206         struct bss_handler_args *args = user_data;
3207         struct wpa_bss *res;
3208         u8 *ie_rates = NULL;
3209         u32 *real_rates;
3210         int rates_num, i;
3211         dbus_bool_t success = FALSE;
3212
3213         res = get_bss_helper(args, error, __func__);
3214         if (!res)
3215                 return FALSE;
3216
3217         rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
3218         if (rates_num < 0)
3219                 return FALSE;
3220
3221         qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
3222
3223         real_rates = os_malloc(sizeof(u32) * rates_num);
3224         if (!real_rates) {
3225                 os_free(ie_rates);
3226                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3227                 return FALSE;
3228         }
3229
3230         for (i = 0; i < rates_num; i++)
3231                 real_rates[i] = ie_rates[i] * 500000;
3232
3233         success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
3234                                                          real_rates, rates_num,
3235                                                          error);
3236
3237         os_free(ie_rates);
3238         os_free(real_rates);
3239         return success;
3240 }
3241
3242
3243 static dbus_bool_t wpas_dbus_get_bss_security_prop(DBusMessageIter *iter,
3244                                                    struct wpa_ie_data *ie_data,
3245                                                    DBusError *error)
3246 {
3247         DBusMessageIter iter_dict, variant_iter;
3248         const char *group;
3249         const char *pairwise[3]; /* max 3 pairwise ciphers is supported */
3250         const char *key_mgmt[7]; /* max 7 key managements may be supported */
3251         int n;
3252
3253         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3254                                               "a{sv}", &variant_iter))
3255                 goto nomem;
3256
3257         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3258                 goto nomem;
3259
3260         /* KeyMgmt */
3261         n = 0;
3262         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
3263                 key_mgmt[n++] = "wpa-psk";
3264         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
3265                 key_mgmt[n++] = "wpa-ft-psk";
3266         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
3267                 key_mgmt[n++] = "wpa-psk-sha256";
3268         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
3269                 key_mgmt[n++] = "wpa-eap";
3270         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
3271                 key_mgmt[n++] = "wpa-ft-eap";
3272         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
3273                 key_mgmt[n++] = "wpa-eap-sha256";
3274         if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
3275                 key_mgmt[n++] = "wpa-none";
3276
3277         if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
3278                                                key_mgmt, n))
3279                 goto nomem;
3280
3281         /* Group */
3282         switch (ie_data->group_cipher) {
3283         case WPA_CIPHER_WEP40:
3284                 group = "wep40";
3285                 break;
3286         case WPA_CIPHER_TKIP:
3287                 group = "tkip";
3288                 break;
3289         case WPA_CIPHER_CCMP:
3290                 group = "ccmp";
3291                 break;
3292         case WPA_CIPHER_GCMP:
3293                 group = "gcmp";
3294                 break;
3295         case WPA_CIPHER_WEP104:
3296                 group = "wep104";
3297                 break;
3298         default:
3299                 group = "";
3300                 break;
3301         }
3302
3303         if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
3304                 goto nomem;
3305
3306         /* Pairwise */
3307         n = 0;
3308         if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
3309                 pairwise[n++] = "tkip";
3310         if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
3311                 pairwise[n++] = "ccmp";
3312         if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
3313                 pairwise[n++] = "gcmp";
3314
3315         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
3316                                                pairwise, n))
3317                 goto nomem;
3318
3319         /* Management group (RSN only) */
3320         if (ie_data->proto == WPA_PROTO_RSN) {
3321                 switch (ie_data->mgmt_group_cipher) {
3322 #ifdef CONFIG_IEEE80211W
3323                 case WPA_CIPHER_AES_128_CMAC:
3324                         group = "aes128cmac";
3325                         break;
3326 #endif /* CONFIG_IEEE80211W */
3327                 default:
3328                         group = "";
3329                         break;
3330                 }
3331
3332                 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
3333                                                  group))
3334                         goto nomem;
3335         }
3336
3337         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3338                 goto nomem;
3339         if (!dbus_message_iter_close_container(iter, &variant_iter))
3340                 goto nomem;
3341
3342         return TRUE;
3343
3344 nomem:
3345         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3346         return FALSE;
3347 }
3348
3349
3350 /**
3351  * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
3352  * @iter: Pointer to incoming dbus message iter
3353  * @error: Location to store error on failure
3354  * @user_data: Function specific data
3355  * Returns: TRUE on success, FALSE on failure
3356  *
3357  * Getter for "WPA" property.
3358  */
3359 dbus_bool_t wpas_dbus_getter_bss_wpa(DBusMessageIter *iter, DBusError *error,
3360                                      void *user_data)
3361 {
3362         struct bss_handler_args *args = user_data;
3363         struct wpa_bss *res;
3364         struct wpa_ie_data wpa_data;
3365         const u8 *ie;
3366
3367         res = get_bss_helper(args, error, __func__);
3368         if (!res)
3369                 return FALSE;
3370
3371         os_memset(&wpa_data, 0, sizeof(wpa_data));
3372         ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
3373         if (ie) {
3374                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3375                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3376                                              "failed to parse WPA IE");
3377                         return FALSE;
3378                 }
3379         }
3380
3381         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3382 }
3383
3384
3385 /**
3386  * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
3387  * @iter: Pointer to incoming dbus message iter
3388  * @error: Location to store error on failure
3389  * @user_data: Function specific data
3390  * Returns: TRUE on success, FALSE on failure
3391  *
3392  * Getter for "RSN" property.
3393  */
3394 dbus_bool_t wpas_dbus_getter_bss_rsn(DBusMessageIter *iter, DBusError *error,
3395                                      void *user_data)
3396 {
3397         struct bss_handler_args *args = user_data;
3398         struct wpa_bss *res;
3399         struct wpa_ie_data wpa_data;
3400         const u8 *ie;
3401
3402         res = get_bss_helper(args, error, __func__);
3403         if (!res)
3404                 return FALSE;
3405
3406         os_memset(&wpa_data, 0, sizeof(wpa_data));
3407         ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
3408         if (ie) {
3409                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3410                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3411                                              "failed to parse RSN IE");
3412                         return FALSE;
3413                 }
3414         }
3415
3416         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3417 }
3418
3419
3420 /**
3421  * wpas_dbus_getter_bss_wps - Return the WPS options of a BSS
3422  * @iter: Pointer to incoming dbus message iter
3423  * @error: Location to store error on failure
3424  * @user_data: Function specific data
3425  * Returns: TRUE on success, FALSE on failure
3426  *
3427  * Getter for "WPS" property.
3428  */
3429 dbus_bool_t wpas_dbus_getter_bss_wps(DBusMessageIter *iter, DBusError *error,
3430                                      void *user_data)
3431 {
3432         struct bss_handler_args *args = user_data;
3433         struct wpa_bss *res;
3434 #ifdef CONFIG_WPS
3435         struct wpabuf *wps_ie;
3436 #endif /* CONFIG_WPS */
3437         DBusMessageIter iter_dict, variant_iter;
3438         const char *type = "";
3439
3440         res = get_bss_helper(args, error, __func__);
3441         if (!res)
3442                 return FALSE;
3443
3444         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3445                                               "a{sv}", &variant_iter))
3446                 goto nomem;
3447
3448         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3449                 goto nomem;
3450
3451 #ifdef CONFIG_WPS
3452         wps_ie = wpa_bss_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
3453         if (wps_ie) {
3454                 if (wps_is_selected_pbc_registrar(wps_ie))
3455                         type = "pbc";
3456                 else if (wps_is_selected_pin_registrar(wps_ie))
3457                         type = "pin";
3458         }
3459 #endif /* CONFIG_WPS */
3460
3461         if (!wpa_dbus_dict_append_string(&iter_dict, "Type", type))
3462                 goto nomem;
3463
3464         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3465                 goto nomem;
3466         if (!dbus_message_iter_close_container(iter, &variant_iter))
3467                 goto nomem;
3468
3469         return TRUE;
3470
3471 nomem:
3472         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3473         return FALSE;
3474 }
3475
3476
3477 /**
3478  * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
3479  * @iter: Pointer to incoming dbus message iter
3480  * @error: Location to store error on failure
3481  * @user_data: Function specific data
3482  * Returns: TRUE on success, FALSE on failure
3483  *
3484  * Getter for "IEs" property.
3485  */
3486 dbus_bool_t wpas_dbus_getter_bss_ies(DBusMessageIter *iter, DBusError *error,
3487                                      void *user_data)
3488 {
3489         struct bss_handler_args *args = user_data;
3490         struct wpa_bss *res;
3491
3492         res = get_bss_helper(args, error, __func__);
3493         if (!res)
3494                 return FALSE;
3495
3496         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3497                                                       res + 1, res->ie_len,
3498                                                       error);
3499 }
3500
3501
3502 /**
3503  * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
3504  * @iter: Pointer to incoming dbus message iter
3505  * @error: Location to store error on failure
3506  * @user_data: Function specific data
3507  * Returns: TRUE on success, FALSE on failure
3508  *
3509  * Getter for "enabled" property of a configured network.
3510  */
3511 dbus_bool_t wpas_dbus_getter_enabled(DBusMessageIter *iter, DBusError *error,
3512                                      void *user_data)
3513 {
3514         struct network_handler_args *net = user_data;
3515         dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
3516
3517         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3518                                                 &enabled, error);
3519 }
3520
3521
3522 /**
3523  * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
3524  * @iter: Pointer to incoming dbus message iter
3525  * @error: Location to store error on failure
3526  * @user_data: Function specific data
3527  * Returns: TRUE on success, FALSE on failure
3528  *
3529  * Setter for "Enabled" property of a configured network.
3530  */
3531 dbus_bool_t wpas_dbus_setter_enabled(DBusMessageIter *iter, DBusError *error,
3532                                      void *user_data)
3533 {
3534         struct network_handler_args *net = user_data;
3535         struct wpa_supplicant *wpa_s;
3536         struct wpa_ssid *ssid;
3537         dbus_bool_t enable;
3538
3539         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
3540                                               &enable))
3541                 return FALSE;
3542
3543         wpa_s = net->wpa_s;
3544         ssid = net->ssid;
3545
3546         if (enable)
3547                 wpa_supplicant_enable_network(wpa_s, ssid);
3548         else
3549                 wpa_supplicant_disable_network(wpa_s, ssid);
3550
3551         return TRUE;
3552 }
3553
3554
3555 /**
3556  * wpas_dbus_getter_network_properties - Get options for a configured network
3557  * @iter: Pointer to incoming dbus message iter
3558  * @error: Location to store error on failure
3559  * @user_data: Function specific data
3560  * Returns: TRUE on success, FALSE on failure
3561  *
3562  * Getter for "Properties" property of a configured network.
3563  */
3564 dbus_bool_t wpas_dbus_getter_network_properties(DBusMessageIter *iter,
3565                                                 DBusError *error,
3566                                                 void *user_data)
3567 {
3568         struct network_handler_args *net = user_data;
3569         DBusMessageIter variant_iter, dict_iter;
3570         char **iterator;
3571         char **props = wpa_config_get_all(net->ssid, 1);
3572         dbus_bool_t success = FALSE;
3573
3574         if (!props) {
3575                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3576                 return FALSE;
3577         }
3578
3579         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
3580                                               &variant_iter) ||
3581             !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
3582                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3583                 goto out;
3584         }
3585
3586         iterator = props;
3587         while (*iterator) {
3588                 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
3589                                                  *(iterator + 1))) {
3590                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3591                                              "no memory");
3592                         goto out;
3593                 }
3594                 iterator += 2;
3595         }
3596
3597
3598         if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
3599             !dbus_message_iter_close_container(iter, &variant_iter)) {
3600                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3601                 goto out;
3602         }
3603
3604         success = TRUE;
3605
3606 out:
3607         iterator = props;
3608         while (*iterator) {
3609                 os_free(*iterator);
3610                 iterator++;
3611         }
3612         os_free(props);
3613         return success;
3614 }
3615
3616
3617 /**
3618  * wpas_dbus_setter_network_properties - Set options for a configured network
3619  * @iter: Pointer to incoming dbus message iter
3620  * @error: Location to store error on failure
3621  * @user_data: Function specific data
3622  * Returns: TRUE on success, FALSE on failure
3623  *
3624  * Setter for "Properties" property of a configured network.
3625  */
3626 dbus_bool_t wpas_dbus_setter_network_properties(DBusMessageIter *iter,
3627                                                 DBusError *error,
3628                                                 void *user_data)
3629 {
3630         struct network_handler_args *net = user_data;
3631         struct wpa_ssid *ssid = net->ssid;
3632         DBusMessageIter variant_iter;
3633
3634         dbus_message_iter_recurse(iter, &variant_iter);
3635         return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
3636 }
3637
3638
3639 #ifdef CONFIG_AP
3640
3641 DBusMessage * wpas_dbus_handler_subscribe_preq(
3642         DBusMessage *message, struct wpa_supplicant *wpa_s)
3643 {
3644         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3645         char *name;
3646
3647         if (wpa_s->preq_notify_peer != NULL) {
3648                 if (os_strcmp(dbus_message_get_sender(message),
3649                               wpa_s->preq_notify_peer) == 0)
3650                         return NULL;
3651
3652                 return dbus_message_new_error(message,
3653                         WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
3654                         "Another application is already subscribed");
3655         }
3656
3657         name = os_strdup(dbus_message_get_sender(message));
3658         if (!name)
3659                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3660                                               "out of memory");
3661
3662         wpa_s->preq_notify_peer = name;
3663
3664         /* Subscribe to clean up if application closes socket */
3665         wpas_dbus_subscribe_noc(priv);
3666
3667         /*
3668          * Double-check it's still alive to make sure that we didn't
3669          * miss the NameOwnerChanged signal, e.g. while strdup'ing.
3670          */
3671         if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
3672                 /*
3673                  * Application no longer exists, clean up.
3674                  * The return value is irrelevant now.
3675                  *
3676                  * Need to check if the NameOwnerChanged handling
3677                  * already cleaned up because we have processed
3678                  * DBus messages while checking if the name still
3679                  * has an owner.
3680                  */
3681                 if (!wpa_s->preq_notify_peer)
3682                         return NULL;
3683                 os_free(wpa_s->preq_notify_peer);
3684                 wpa_s->preq_notify_peer = NULL;
3685                 wpas_dbus_unsubscribe_noc(priv);
3686         }
3687
3688         return NULL;
3689 }
3690
3691
3692 DBusMessage * wpas_dbus_handler_unsubscribe_preq(
3693         DBusMessage *message, struct wpa_supplicant *wpa_s)
3694 {
3695         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3696
3697         if (!wpa_s->preq_notify_peer)
3698                 return dbus_message_new_error(message,
3699                         WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
3700                         "Not subscribed");
3701
3702         if (os_strcmp(wpa_s->preq_notify_peer,
3703                       dbus_message_get_sender(message)))
3704                 return dbus_message_new_error(message,
3705                         WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
3706                         "Can't unsubscribe others");
3707
3708         os_free(wpa_s->preq_notify_peer);
3709         wpa_s->preq_notify_peer = NULL;
3710         wpas_dbus_unsubscribe_noc(priv);
3711         return NULL;
3712 }
3713
3714
3715 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
3716                            const u8 *addr, const u8 *dst, const u8 *bssid,
3717                            const u8 *ie, size_t ie_len, u32 ssi_signal)
3718 {
3719         DBusMessage *msg;
3720         DBusMessageIter iter, dict_iter;
3721         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3722
3723         /* Do nothing if the control interface is not turned on */
3724         if (priv == NULL)
3725                 return;
3726
3727         if (wpa_s->preq_notify_peer == NULL)
3728                 return;
3729
3730         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
3731                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
3732                                       "ProbeRequest");
3733         if (msg == NULL)
3734                 return;
3735
3736         dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
3737
3738         dbus_message_iter_init_append(msg, &iter);
3739
3740         if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
3741                 goto fail;
3742         if (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
3743                                                      (const char *) addr,
3744                                                      ETH_ALEN))
3745                 goto fail;
3746         if (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
3747                                                     (const char *) dst,
3748                                                     ETH_ALEN))
3749                 goto fail;
3750         if (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
3751                                                       (const char *) bssid,
3752                                                       ETH_ALEN))
3753                 goto fail;
3754         if (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
3755                                                              (const char *) ie,
3756                                                              ie_len))
3757                 goto fail;
3758         if (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
3759                                                       ssi_signal))
3760                 goto fail;
3761         if (!wpa_dbus_dict_close_write(&iter, &dict_iter))
3762                 goto fail;
3763
3764         dbus_connection_send(priv->con, msg, NULL);
3765         goto out;
3766 fail:
3767         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
3768 out:
3769         dbus_message_unref(msg);
3770 }
3771
3772 #endif /* CONFIG_AP */