wpa_supplicant/dbus/dbus_new_handlers.c

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