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_calloc(num, sizeof(char *));
 875         if (!paths) {
 876                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 877                 return FALSE;
 878         }
 879
 880         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 881                 paths[i++] = wpa_s->dbus_new_path;
 882
 883         success = wpas_dbus_simple_array_property_getter(iter,
 884                                                          DBUS_TYPE_OBJECT_PATH,
 885                                                          paths, num, error);
 886
 887         os_free(paths);
 888         return success;
 889 }
 890
 891
 892 /**
 893  * wpas_dbus_getter_eap_methods - Request supported EAP methods list
 894  * @iter: Pointer to incoming dbus message iter
 895  * @error: Location to store error on failure
 896  * @user_data: Function specific data
 897  * Returns: TRUE on success, FALSE on failure
 898  *
 899  * Getter for "EapMethods" property. Handles requests
 900  * by dbus clients to return list of strings with supported EAP methods
 901  */
 902 dbus_bool_t wpas_dbus_getter_eap_methods(DBusMessageIter *iter,
 903                                          DBusError *error, void *user_data)
 904 {
 905         char **eap_methods;
 906         size_t num_items = 0;
 907         dbus_bool_t success;
 908
 909         eap_methods = eap_get_names_as_string_array(&num_items);
 910         if (!eap_methods) {
 911                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 912                 return FALSE;
 913         }
 914
 915         success = wpas_dbus_simple_array_property_getter(iter,
 916                                                          DBUS_TYPE_STRING,
 917                                                          eap_methods,
 918                                                          num_items, error);
 919
 920         while (num_items)
 921                 os_free(eap_methods[--num_items]);
 922         os_free(eap_methods);
 923         return success;
 924 }
 925
 926
 927 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_array(
1163                                 freqs, freqs_num + FREQS_ALLOC_CHUNK,
1164                                 sizeof(int));
1165                         if (nfreqs == NULL)
1166                                 os_free(freqs);
1167                         freqs = nfreqs;
1168                 }
1169                 if (freqs == NULL) {
1170                         wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1171                                    "out of memory. can't allocate memory for "
1172                                    "freqs");
1173                         *reply = dbus_message_new_error(
1174                                 message, DBUS_ERROR_NO_MEMORY, NULL);
1175                         return -1;
1176                 }
1177
1178                 freqs[freqs_num] = freq;
1179
1180                 freqs_num++;
1181                 dbus_message_iter_next(&array_iter);
1182         }
1183
1184         nfreqs = os_realloc_array(freqs, freqs_num + 1, sizeof(int));
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_reassociate - Reassociate to current AP
1409  * @message: Pointer to incoming dbus message
1410  * @wpa_s: wpa_supplicant structure for a network interface
1411  * Returns: NotConnected DBus error message if not connected
1412  * or NULL otherwise.
1413  *
1414  * Handler function for "Reassociate" method call of network interface.
1415  */
1416 DBusMessage * wpas_dbus_handler_reassociate(DBusMessage *message,
1417                                             struct wpa_supplicant *wpa_s)
1418 {
1419         if (wpa_s->current_ssid != NULL) {
1420                 wpa_s->normal_scans = 0;
1421                 wpa_supplicant_reinit_autoscan(wpa_s);
1422                 wpa_s->disconnected = 0;
1423                 wpa_s->reassociate = 1;
1424                 wpa_supplicant_req_scan(wpa_s, 0, 0);
1425
1426                 return NULL;
1427         }
1428
1429         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1430                                       "This interface is not connected");
1431 }
1432
1433
1434 /**
1435  * wpas_dbus_handler_remove_network - Remove a configured network
1436  * @message: Pointer to incoming dbus message
1437  * @wpa_s: wpa_supplicant structure for a network interface
1438  * Returns: NULL on success or dbus error on failure
1439  *
1440  * Handler function for "RemoveNetwork" method call of a network interface.
1441  */
1442 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1443                                                struct wpa_supplicant *wpa_s)
1444 {
1445         DBusMessage *reply = NULL;
1446         const char *op;
1447         char *iface = NULL, *net_id = NULL;
1448         int id;
1449         struct wpa_ssid *ssid;
1450
1451         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1452                               DBUS_TYPE_INVALID);
1453
1454         /* Extract the network ID and ensure the network */
1455         /* is actually a child of this interface */
1456         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1457         if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1458                 reply = wpas_dbus_error_invalid_args(message, op);
1459                 goto out;
1460         }
1461
1462         id = strtoul(net_id, NULL, 10);
1463         if (errno == EINVAL) {
1464                 reply = wpas_dbus_error_invalid_args(message, op);
1465                 goto out;
1466         }
1467
1468         ssid = wpa_config_get_network(wpa_s->conf, id);
1469         if (ssid == NULL) {
1470                 reply = wpas_dbus_error_network_unknown(message);
1471                 goto out;
1472         }
1473
1474         wpas_notify_network_removed(wpa_s, ssid);
1475
1476         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1477                 wpa_printf(MSG_ERROR,
1478                            "wpas_dbus_handler_remove_network[dbus]: "
1479                            "error occurred when removing network %d", id);
1480                 reply = wpas_dbus_error_unknown_error(
1481                         message, "error removing the specified network on "
1482                         "this interface.");
1483                 goto out;
1484         }
1485
1486         if (ssid == wpa_s->current_ssid)
1487                 wpa_supplicant_deauthenticate(wpa_s,
1488                                               WLAN_REASON_DEAUTH_LEAVING);
1489
1490 out:
1491         os_free(iface);
1492         os_free(net_id);
1493         return reply;
1494 }
1495
1496
1497 static void remove_network(void *arg, struct wpa_ssid *ssid)
1498 {
1499         struct wpa_supplicant *wpa_s = arg;
1500
1501         wpas_notify_network_removed(wpa_s, ssid);
1502
1503         if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1504                 wpa_printf(MSG_ERROR,
1505                            "wpas_dbus_handler_remove_all_networks[dbus]: "
1506                            "error occurred when removing network %d",
1507                            ssid->id);
1508                 return;
1509         }
1510
1511         if (ssid == wpa_s->current_ssid)
1512                 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1513 }
1514
1515
1516 /**
1517  * wpas_dbus_handler_remove_all_networks - Remove all configured networks
1518  * @message: Pointer to incoming dbus message
1519  * @wpa_s: wpa_supplicant structure for a network interface
1520  * Returns: NULL on success or dbus error on failure
1521  *
1522  * Handler function for "RemoveAllNetworks" method call of a network interface.
1523  */
1524 DBusMessage * wpas_dbus_handler_remove_all_networks(
1525         DBusMessage *message, struct wpa_supplicant *wpa_s)
1526 {
1527         /* NB: could check for failure and return an error */
1528         wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
1529         return NULL;
1530 }
1531
1532
1533 /**
1534  * wpas_dbus_handler_select_network - Attempt association with a network
1535  * @message: Pointer to incoming dbus message
1536  * @wpa_s: wpa_supplicant structure for a network interface
1537  * Returns: NULL on success or dbus error on failure
1538  *
1539  * Handler function for "SelectNetwork" method call of network interface.
1540  */
1541 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1542                                                struct wpa_supplicant *wpa_s)
1543 {
1544         DBusMessage *reply = NULL;
1545         const char *op;
1546         char *iface = NULL, *net_id = NULL;
1547         int id;
1548         struct wpa_ssid *ssid;
1549
1550         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1551                               DBUS_TYPE_INVALID);
1552
1553         /* Extract the network ID and ensure the network */
1554         /* is actually a child of this interface */
1555         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1556         if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1557                 reply = wpas_dbus_error_invalid_args(message, op);
1558                 goto out;
1559         }
1560
1561         id = strtoul(net_id, NULL, 10);
1562         if (errno == EINVAL) {
1563                 reply = wpas_dbus_error_invalid_args(message, op);
1564                 goto out;
1565         }
1566
1567         ssid = wpa_config_get_network(wpa_s->conf, id);
1568         if (ssid == NULL) {
1569                 reply = wpas_dbus_error_network_unknown(message);
1570                 goto out;
1571         }
1572
1573         /* Finally, associate with the network */
1574         wpa_supplicant_select_network(wpa_s, ssid);
1575
1576 out:
1577         os_free(iface);
1578         os_free(net_id);
1579         return reply;
1580 }
1581
1582
1583 /**
1584  * wpas_dbus_handler_network_reply - Reply to a NetworkRequest signal
1585  * @message: Pointer to incoming dbus message
1586  * @wpa_s: wpa_supplicant structure for a network interface
1587  * Returns: NULL on success or dbus error on failure
1588  *
1589  * Handler function for "NetworkReply" method call of network interface.
1590  */
1591 DBusMessage * wpas_dbus_handler_network_reply(DBusMessage *message,
1592                                               struct wpa_supplicant *wpa_s)
1593 {
1594 #ifdef IEEE8021X_EAPOL
1595         DBusMessage *reply = NULL;
1596         const char *op, *field, *value;
1597         char *iface = NULL, *net_id = NULL;
1598         int id;
1599         struct wpa_ssid *ssid;
1600
1601         if (!dbus_message_get_args(message, NULL,
1602                                    DBUS_TYPE_OBJECT_PATH, &op,
1603                                    DBUS_TYPE_STRING, &field,
1604                                    DBUS_TYPE_STRING, &value,
1605                                    DBUS_TYPE_INVALID))
1606                 return wpas_dbus_error_invalid_args(message, NULL);
1607
1608         /* Extract the network ID and ensure the network */
1609         /* is actually a child of this interface */
1610         iface = wpas_dbus_new_decompose_object_path(op, 0, &net_id, NULL);
1611         if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1612                 reply = wpas_dbus_error_invalid_args(message, op);
1613                 goto out;
1614         }
1615
1616         id = strtoul(net_id, NULL, 10);
1617         if (errno == EINVAL) {
1618                 reply = wpas_dbus_error_invalid_args(message, net_id);
1619                 goto out;
1620         }
1621
1622         ssid = wpa_config_get_network(wpa_s->conf, id);
1623         if (ssid == NULL) {
1624                 reply = wpas_dbus_error_network_unknown(message);
1625                 goto out;
1626         }
1627
1628         if (wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid,
1629                                                       field, value) < 0)
1630                 reply = wpas_dbus_error_invalid_args(message, field);
1631         else {
1632                 /* Tell EAP to retry immediately */
1633                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
1634         }
1635
1636 out:
1637         os_free(iface);
1638         os_free(net_id);
1639         return reply;
1640 #else /* IEEE8021X_EAPOL */
1641         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1642         return wpas_dbus_error_unknown_error(message, "802.1X not included");
1643 #endif /* IEEE8021X_EAPOL */
1644 }
1645
1646
1647 /**
1648  * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1649  * @message: Pointer to incoming dbus message
1650  * @wpa_s: %wpa_supplicant data structure
1651  * Returns: A dbus message containing an error on failure or NULL on success
1652  *
1653  * Asks wpa_supplicant to internally store a binary blobs.
1654  */
1655 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1656                                          struct wpa_supplicant *wpa_s)
1657 {
1658         DBusMessage *reply = NULL;
1659         DBusMessageIter iter, array_iter;
1660
1661         char *blob_name;
1662         u8 *blob_data;
1663         int blob_len;
1664         struct wpa_config_blob *blob = NULL;
1665
1666         dbus_message_iter_init(message, &iter);
1667         dbus_message_iter_get_basic(&iter, &blob_name);
1668
1669         if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1670                 return dbus_message_new_error(message,
1671                                               WPAS_DBUS_ERROR_BLOB_EXISTS,
1672                                               NULL);
1673         }
1674
1675         dbus_message_iter_next(&iter);
1676         dbus_message_iter_recurse(&iter, &array_iter);
1677
1678         dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1679
1680         blob = os_zalloc(sizeof(*blob));
1681         if (!blob) {
1682                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1683                                                NULL);
1684                 goto err;
1685         }
1686
1687         blob->data = os_malloc(blob_len);
1688         if (!blob->data) {
1689                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1690                                                NULL);
1691                 goto err;
1692         }
1693         os_memcpy(blob->data, blob_data, blob_len);
1694
1695         blob->len = blob_len;
1696         blob->name = os_strdup(blob_name);
1697         if (!blob->name) {
1698                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1699                                                NULL);
1700                 goto err;
1701         }
1702
1703         wpa_config_set_blob(wpa_s->conf, blob);
1704         wpas_notify_blob_added(wpa_s, blob->name);
1705
1706         return reply;
1707
1708 err:
1709         if (blob) {
1710                 os_free(blob->name);
1711                 os_free(blob->data);
1712                 os_free(blob);
1713         }
1714         return reply;
1715 }
1716
1717
1718 /**
1719  * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1720  * @message: Pointer to incoming dbus message
1721  * @wpa_s: %wpa_supplicant data structure
1722  * Returns: A dbus message containing array of bytes (blob)
1723  *
1724  * Gets one wpa_supplicant's binary blobs.
1725  */
1726 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1727                                          struct wpa_supplicant *wpa_s)
1728 {
1729         DBusMessage *reply = NULL;
1730         DBusMessageIter iter, array_iter;
1731
1732         char *blob_name;
1733         const struct wpa_config_blob *blob;
1734
1735         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1736                               DBUS_TYPE_INVALID);
1737
1738         blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1739         if (!blob) {
1740                 return dbus_message_new_error(message,
1741                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1742                                               "Blob id not set");
1743         }
1744
1745         reply = dbus_message_new_method_return(message);
1746         if (!reply) {
1747                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1748                                                NULL);
1749                 goto out;
1750         }
1751
1752         dbus_message_iter_init_append(reply, &iter);
1753
1754         if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1755                                               DBUS_TYPE_BYTE_AS_STRING,
1756                                               &array_iter)) {
1757                 dbus_message_unref(reply);
1758                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1759                                                NULL);
1760                 goto out;
1761         }
1762
1763         if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1764                                                   &(blob->data), blob->len)) {
1765                 dbus_message_unref(reply);
1766                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1767                                                NULL);
1768                 goto out;
1769         }
1770
1771         if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1772                 dbus_message_unref(reply);
1773                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1774                                                NULL);
1775                 goto out;
1776         }
1777
1778 out:
1779         return reply;
1780 }
1781
1782
1783 /**
1784  * wpas_remove_handler_remove_blob - Remove named binary blob
1785  * @message: Pointer to incoming dbus message
1786  * @wpa_s: %wpa_supplicant data structure
1787  * Returns: NULL on success or dbus error
1788  *
1789  * Asks wpa_supplicant to internally remove a binary blobs.
1790  */
1791 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1792                                             struct wpa_supplicant *wpa_s)
1793 {
1794         DBusMessage *reply = NULL;
1795         char *blob_name;
1796
1797         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1798                               DBUS_TYPE_INVALID);
1799
1800         if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1801                 return dbus_message_new_error(message,
1802                                               WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1803                                               "Blob id not set");
1804         }
1805         wpas_notify_blob_removed(wpa_s, blob_name);
1806
1807         return reply;
1808
1809 }
1810
1811 /*
1812  * wpas_dbus_handler_flush_bss - Flush the BSS cache
1813  * @message: Pointer to incoming dbus message
1814  * @wpa_s: wpa_supplicant structure for a network interface
1815  * Returns: NULL
1816  *
1817  * Handler function for "FlushBSS" method call of network interface.
1818  */
1819 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
1820                                           struct wpa_supplicant *wpa_s)
1821 {
1822         dbus_uint32_t age;
1823
1824         dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
1825                               DBUS_TYPE_INVALID);
1826
1827         if (age == 0)
1828                 wpa_bss_flush(wpa_s);
1829         else
1830                 wpa_bss_flush_by_age(wpa_s, age);
1831
1832         return NULL;
1833 }
1834
1835
1836 #ifdef CONFIG_AUTOSCAN
1837 /**
1838  * wpas_dbus_handler_autoscan - Set autoscan parameters for the interface
1839  * @message: Pointer to incoming dbus message
1840  * @wpa_s: wpa_supplicant structure for a network interface
1841  * Returns: NULL
1842  *
1843  * Handler function for "AutoScan" method call of network interface.
1844  */
1845 DBusMessage * wpas_dbus_handler_autoscan(DBusMessage *message,
1846                                          struct wpa_supplicant *wpa_s)
1847 {
1848         DBusMessage *reply = NULL;
1849         enum wpa_states state = wpa_s->wpa_state;
1850         char *arg;
1851
1852         dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &arg,
1853                               DBUS_TYPE_INVALID);
1854
1855         if (arg != NULL && os_strlen(arg) > 0) {
1856                 char *tmp;
1857                 tmp = os_strdup(arg);
1858                 if (tmp == NULL) {
1859                         reply = dbus_message_new_error(message,
1860                                                        DBUS_ERROR_NO_MEMORY,
1861                                                        NULL);
1862                 } else {
1863                         os_free(wpa_s->conf->autoscan);
1864                         wpa_s->conf->autoscan = tmp;
1865                         if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
1866                                 autoscan_init(wpa_s, 1);
1867                         else if (state == WPA_SCANNING)
1868                                 wpa_supplicant_reinit_autoscan(wpa_s);
1869                 }
1870         } else if (arg != NULL && os_strlen(arg) == 0) {
1871                 os_free(wpa_s->conf->autoscan);
1872                 wpa_s->conf->autoscan = NULL;
1873                 autoscan_deinit(wpa_s);
1874         } else
1875                 reply = dbus_message_new_error(message,
1876                                                DBUS_ERROR_INVALID_ARGS,
1877                                                NULL);
1878
1879         return reply;
1880 }
1881 #endif /* CONFIG_AUTOSCAN */
1882
1883
1884 /**
1885  * wpas_dbus_getter_capabilities - Return interface capabilities
1886  * @iter: Pointer to incoming dbus message iter
1887  * @error: Location to store error on failure
1888  * @user_data: Function specific data
1889  * Returns: TRUE on success, FALSE on failure
1890  *
1891  * Getter for "Capabilities" property of an interface.
1892  */
1893 dbus_bool_t wpas_dbus_getter_capabilities(DBusMessageIter *iter,
1894                                           DBusError *error, void *user_data)
1895 {
1896         struct wpa_supplicant *wpa_s = user_data;
1897         struct wpa_driver_capa capa;
1898         int res;
1899         DBusMessageIter iter_dict, iter_dict_entry, iter_dict_val, iter_array,
1900                 variant_iter;
1901         const char *scans[] = { "active", "passive", "ssid" };
1902
1903         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
1904                                               "a{sv}", &variant_iter))
1905                 goto nomem;
1906
1907         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1908                 goto nomem;
1909
1910         res = wpa_drv_get_capa(wpa_s, &capa);
1911
1912         /***** pairwise cipher */
1913         if (res < 0) {
1914                 const char *args[] = {"ccmp", "tkip", "none"};
1915                 if (!wpa_dbus_dict_append_string_array(
1916                             &iter_dict, "Pairwise", args,
1917                             sizeof(args) / sizeof(char*)))
1918                         goto nomem;
1919         } else {
1920                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1921                                                       &iter_dict_entry,
1922                                                       &iter_dict_val,
1923                                                       &iter_array))
1924                         goto nomem;
1925
1926                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1927                         if (!wpa_dbus_dict_string_array_add_element(
1928                                     &iter_array, "ccmp"))
1929                                 goto nomem;
1930                 }
1931
1932                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1933                         if (!wpa_dbus_dict_string_array_add_element(
1934                                     &iter_array, "gcmp"))
1935                                 goto nomem;
1936                 }
1937
1938                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1939                         if (!wpa_dbus_dict_string_array_add_element(
1940                                     &iter_array, "tkip"))
1941                                 goto nomem;
1942                 }
1943
1944                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1945                         if (!wpa_dbus_dict_string_array_add_element(
1946                                     &iter_array, "none"))
1947                                 goto nomem;
1948                 }
1949
1950                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1951                                                     &iter_dict_entry,
1952                                                     &iter_dict_val,
1953                                                     &iter_array))
1954                         goto nomem;
1955         }
1956
1957         /***** group cipher */
1958         if (res < 0) {
1959                 const char *args[] = {
1960                         "ccmp", "tkip", "wep104", "wep40"
1961                 };
1962                 if (!wpa_dbus_dict_append_string_array(
1963                             &iter_dict, "Group", args,
1964                             sizeof(args) / sizeof(char*)))
1965                         goto nomem;
1966         } else {
1967                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
1968                                                       &iter_dict_entry,
1969                                                       &iter_dict_val,
1970                                                       &iter_array))
1971                         goto nomem;
1972
1973                 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1974                         if (!wpa_dbus_dict_string_array_add_element(
1975                                     &iter_array, "ccmp"))
1976                                 goto nomem;
1977                 }
1978
1979                 if (capa.enc & WPA_DRIVER_CAPA_ENC_GCMP) {
1980                         if (!wpa_dbus_dict_string_array_add_element(
1981                                     &iter_array, "gcmp"))
1982                                 goto nomem;
1983                 }
1984
1985                 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1986                         if (!wpa_dbus_dict_string_array_add_element(
1987                                     &iter_array, "tkip"))
1988                                 goto nomem;
1989                 }
1990
1991                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1992                         if (!wpa_dbus_dict_string_array_add_element(
1993                                     &iter_array, "wep104"))
1994                                 goto nomem;
1995                 }
1996
1997                 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1998                         if (!wpa_dbus_dict_string_array_add_element(
1999                                     &iter_array, "wep40"))
2000                                 goto nomem;
2001                 }
2002
2003                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2004                                                     &iter_dict_entry,
2005                                                     &iter_dict_val,
2006                                                     &iter_array))
2007                         goto nomem;
2008         }
2009
2010         /***** key management */
2011         if (res < 0) {
2012                 const char *args[] = {
2013                         "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
2014 #ifdef CONFIG_WPS
2015                         "wps",
2016 #endif /* CONFIG_WPS */
2017                         "none"
2018                 };
2019                 if (!wpa_dbus_dict_append_string_array(
2020                             &iter_dict, "KeyMgmt", args,
2021                             sizeof(args) / sizeof(char*)))
2022                         goto nomem;
2023         } else {
2024                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
2025                                                       &iter_dict_entry,
2026                                                       &iter_dict_val,
2027                                                       &iter_array))
2028                         goto nomem;
2029
2030                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2031                                                             "none"))
2032                         goto nomem;
2033
2034                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2035                                                             "ieee8021x"))
2036                         goto nomem;
2037
2038                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2039                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2040                         if (!wpa_dbus_dict_string_array_add_element(
2041                                     &iter_array, "wpa-eap"))
2042                                 goto nomem;
2043
2044                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
2045                                 if (!wpa_dbus_dict_string_array_add_element(
2046                                             &iter_array, "wpa-ft-eap"))
2047                                         goto nomem;
2048
2049 /* TODO: Ensure that driver actually supports sha256 encryption. */
2050 #ifdef CONFIG_IEEE80211W
2051                         if (!wpa_dbus_dict_string_array_add_element(
2052                                     &iter_array, "wpa-eap-sha256"))
2053                                 goto nomem;
2054 #endif /* CONFIG_IEEE80211W */
2055                 }
2056
2057                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2058                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2059                         if (!wpa_dbus_dict_string_array_add_element(
2060                                     &iter_array, "wpa-psk"))
2061                                 goto nomem;
2062
2063                         if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
2064                                 if (!wpa_dbus_dict_string_array_add_element(
2065                                             &iter_array, "wpa-ft-psk"))
2066                                         goto nomem;
2067
2068 /* TODO: Ensure that driver actually supports sha256 encryption. */
2069 #ifdef CONFIG_IEEE80211W
2070                         if (!wpa_dbus_dict_string_array_add_element(
2071                                     &iter_array, "wpa-psk-sha256"))
2072                                 goto nomem;
2073 #endif /* CONFIG_IEEE80211W */
2074                 }
2075
2076                 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2077                         if (!wpa_dbus_dict_string_array_add_element(
2078                                     &iter_array, "wpa-none"))
2079                                 goto nomem;
2080                 }
2081
2082
2083 #ifdef CONFIG_WPS
2084                 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
2085                                                             "wps"))
2086                         goto nomem;
2087 #endif /* CONFIG_WPS */
2088
2089                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2090                                                     &iter_dict_entry,
2091                                                     &iter_dict_val,
2092                                                     &iter_array))
2093                         goto nomem;
2094         }
2095
2096         /***** WPA protocol */
2097         if (res < 0) {
2098                 const char *args[] = { "rsn", "wpa" };
2099                 if (!wpa_dbus_dict_append_string_array(
2100                             &iter_dict, "Protocol", args,
2101                             sizeof(args) / sizeof(char*)))
2102                         goto nomem;
2103         } else {
2104                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
2105                                                       &iter_dict_entry,
2106                                                       &iter_dict_val,
2107                                                       &iter_array))
2108                         goto nomem;
2109
2110                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2111                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2112                         if (!wpa_dbus_dict_string_array_add_element(
2113                                     &iter_array, "rsn"))
2114                                 goto nomem;
2115                 }
2116
2117                 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2118                                      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2119                         if (!wpa_dbus_dict_string_array_add_element(
2120                                     &iter_array, "wpa"))
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         /***** auth alg */
2132         if (res < 0) {
2133                 const char *args[] = { "open", "shared", "leap" };
2134                 if (!wpa_dbus_dict_append_string_array(
2135                             &iter_dict, "AuthAlg", args,
2136                             sizeof(args) / sizeof(char*)))
2137                         goto nomem;
2138         } else {
2139                 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2140                                                       &iter_dict_entry,
2141                                                       &iter_dict_val,
2142                                                       &iter_array))
2143                         goto nomem;
2144
2145                 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
2146                         if (!wpa_dbus_dict_string_array_add_element(
2147                                     &iter_array, "open"))
2148                                 goto nomem;
2149                 }
2150
2151                 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
2152                         if (!wpa_dbus_dict_string_array_add_element(
2153                                     &iter_array, "shared"))
2154                                 goto nomem;
2155                 }
2156
2157                 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
2158                         if (!wpa_dbus_dict_string_array_add_element(
2159                                     &iter_array, "leap"))
2160                                 goto nomem;
2161                 }
2162
2163                 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2164                                                     &iter_dict_entry,
2165                                                     &iter_dict_val,
2166                                                     &iter_array))
2167                         goto nomem;
2168         }
2169
2170         /***** Scan */
2171         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2172                                                sizeof(scans) / sizeof(char *)))
2173                 goto nomem;
2174
2175         /***** Modes */
2176         if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Modes",
2177                                               &iter_dict_entry,
2178                                               &iter_dict_val,
2179                                               &iter_array))
2180                 goto nomem;
2181
2182         if (!wpa_dbus_dict_string_array_add_element(
2183                             &iter_array, "infrastructure"))
2184                 goto nomem;
2185
2186         if (!wpa_dbus_dict_string_array_add_element(
2187                             &iter_array, "ad-hoc"))
2188                 goto nomem;
2189
2190         if (res >= 0) {
2191                 if (capa.flags & (WPA_DRIVER_FLAGS_AP)) {
2192                         if (!wpa_dbus_dict_string_array_add_element(
2193                                     &iter_array, "ap"))
2194                                 goto nomem;
2195                 }
2196
2197                 if (capa.flags & (WPA_DRIVER_FLAGS_P2P_CAPABLE)) {
2198                         if (!wpa_dbus_dict_string_array_add_element(
2199                                     &iter_array, "p2p"))
2200                                 goto nomem;
2201                 }
2202         }
2203
2204         if (!wpa_dbus_dict_end_string_array(&iter_dict,
2205                                             &iter_dict_entry,
2206                                             &iter_dict_val,
2207                                             &iter_array))
2208                 goto nomem;
2209         /***** Modes end */
2210
2211         if (res >= 0) {
2212                 dbus_int32_t max_scan_ssid = capa.max_scan_ssids;
2213
2214                 if (!wpa_dbus_dict_append_int32(&iter_dict, "MaxScanSSID",
2215                                                 max_scan_ssid))
2216                         goto nomem;
2217         }
2218
2219         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2220                 goto nomem;
2221         if (!dbus_message_iter_close_container(iter, &variant_iter))
2222                 goto nomem;
2223
2224         return TRUE;
2225
2226 nomem:
2227         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2228         return FALSE;
2229 }
2230
2231
2232 /**
2233  * wpas_dbus_getter_state - Get interface state
2234  * @iter: Pointer to incoming dbus message iter
2235  * @error: Location to store error on failure
2236  * @user_data: Function specific data
2237  * Returns: TRUE on success, FALSE on failure
2238  *
2239  * Getter for "State" property.
2240  */
2241 dbus_bool_t wpas_dbus_getter_state(DBusMessageIter *iter, DBusError *error,
2242                                    void *user_data)
2243 {
2244         struct wpa_supplicant *wpa_s = user_data;
2245         const char *str_state;
2246         char *state_ls, *tmp;
2247         dbus_bool_t success = FALSE;
2248
2249         str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2250
2251         /* make state string lowercase to fit new DBus API convention
2252          */
2253         state_ls = tmp = os_strdup(str_state);
2254         if (!tmp) {
2255                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2256                 return FALSE;
2257         }
2258         while (*tmp) {
2259                 *tmp = tolower(*tmp);
2260                 tmp++;
2261         }
2262
2263         success = wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2264                                                    &state_ls, error);
2265
2266         os_free(state_ls);
2267
2268         return success;
2269 }
2270
2271
2272 /**
2273  * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2274  * @iter: Pointer to incoming dbus message iter
2275  * @error: Location to store error on failure
2276  * @user_data: Function specific data
2277  * Returns: TRUE on success, FALSE on failure
2278  *
2279  * Getter for "scanning" property.
2280  */
2281 dbus_bool_t wpas_dbus_getter_scanning(DBusMessageIter *iter, DBusError *error,
2282                                       void *user_data)
2283 {
2284         struct wpa_supplicant *wpa_s = user_data;
2285         dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2286
2287         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2288                                                 &scanning, error);
2289 }
2290
2291
2292 /**
2293  * wpas_dbus_getter_ap_scan - Control roaming mode
2294  * @iter: Pointer to incoming dbus message iter
2295  * @error: Location to store error on failure
2296  * @user_data: Function specific data
2297  * Returns: TRUE on success, FALSE on failure
2298  *
2299  * Getter function for "ApScan" property.
2300  */
2301 dbus_bool_t wpas_dbus_getter_ap_scan(DBusMessageIter *iter, DBusError *error,
2302                                      void *user_data)
2303 {
2304         struct wpa_supplicant *wpa_s = user_data;
2305         dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2306
2307         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2308                                                 &ap_scan, error);
2309 }
2310
2311
2312 /**
2313  * wpas_dbus_setter_ap_scan - Control roaming mode
2314  * @iter: Pointer to incoming dbus message iter
2315  * @error: Location to store error on failure
2316  * @user_data: Function specific data
2317  * Returns: TRUE on success, FALSE on failure
2318  *
2319  * Setter function for "ApScan" property.
2320  */
2321 dbus_bool_t wpas_dbus_setter_ap_scan(DBusMessageIter *iter, DBusError *error,
2322                                      void *user_data)
2323 {
2324         struct wpa_supplicant *wpa_s = user_data;
2325         dbus_uint32_t ap_scan;
2326
2327         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2328                                               &ap_scan))
2329                 return FALSE;
2330
2331         if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2332                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2333                                      "ap_scan must be 0, 1, or 2");
2334                 return FALSE;
2335         }
2336         return TRUE;
2337 }
2338
2339
2340 /**
2341  * wpas_dbus_getter_fast_reauth - Control fast
2342  * reauthentication (TLS session resumption)
2343  * @iter: Pointer to incoming dbus message iter
2344  * @error: Location to store error on failure
2345  * @user_data: Function specific data
2346  * Returns: TRUE on success, FALSE on failure
2347  *
2348  * Getter function for "FastReauth" property.
2349  */
2350 dbus_bool_t wpas_dbus_getter_fast_reauth(DBusMessageIter *iter,
2351                                          DBusError *error,
2352                                          void *user_data)
2353 {
2354         struct wpa_supplicant *wpa_s = user_data;
2355         dbus_bool_t fast_reauth = wpa_s->conf->fast_reauth ? TRUE : FALSE;
2356
2357         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
2358                                                 &fast_reauth, error);
2359 }
2360
2361
2362 /**
2363  * wpas_dbus_setter_fast_reauth - Control fast
2364  * reauthentication (TLS session resumption)
2365  * @iter: Pointer to incoming dbus message iter
2366  * @error: Location to store error on failure
2367  * @user_data: Function specific data
2368  * Returns: TRUE on success, FALSE on failure
2369  *
2370  * Setter function for "FastReauth" property.
2371  */
2372 dbus_bool_t wpas_dbus_setter_fast_reauth(DBusMessageIter *iter,
2373                                      DBusError *error,
2374                                      void *user_data)
2375 {
2376         struct wpa_supplicant *wpa_s = user_data;
2377         dbus_bool_t fast_reauth;
2378
2379         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
2380                                               &fast_reauth))
2381                 return FALSE;
2382
2383         wpa_s->conf->fast_reauth = fast_reauth;
2384         return TRUE;
2385 }
2386
2387
2388 /**
2389  * wpas_dbus_getter_disconnect_reason - Get most recent reason for disconnect
2390  * @iter: Pointer to incoming dbus message iter
2391  * @error: Location to store error on failure
2392  * @user_data: Function specific data
2393  * Returns: TRUE on success, FALSE on failure
2394  *
2395  * Getter for "DisconnectReason" property.  The reason is negative if it is
2396  * locally generated.
2397  */
2398 dbus_bool_t wpas_dbus_getter_disconnect_reason(DBusMessageIter *iter,
2399                                                DBusError *error,
2400                                                void *user_data)
2401 {
2402         struct wpa_supplicant *wpa_s = user_data;
2403         dbus_int32_t reason = wpa_s->disconnect_reason;
2404         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2405                                                 &reason, error);
2406 }
2407
2408
2409 /**
2410  * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2411  * @iter: Pointer to incoming dbus message iter
2412  * @error: Location to store error on failure
2413  * @user_data: Function specific data
2414  * Returns: TRUE on success, FALSE on failure
2415  *
2416  * Getter function for "BSSExpireAge" property.
2417  */
2418 dbus_bool_t wpas_dbus_getter_bss_expire_age(DBusMessageIter *iter,
2419                                             DBusError *error,
2420                                             void *user_data)
2421 {
2422         struct wpa_supplicant *wpa_s = user_data;
2423         dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2424
2425         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2426                                                 &expire_age, error);
2427 }
2428
2429
2430 /**
2431  * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2432  * @iter: Pointer to incoming dbus message iter
2433  * @error: Location to store error on failure
2434  * @user_data: Function specific data
2435  * Returns: TRUE on success, FALSE on failure
2436  *
2437  * Setter function for "BSSExpireAge" property.
2438  */
2439 dbus_bool_t wpas_dbus_setter_bss_expire_age(DBusMessageIter *iter,
2440                                             DBusError *error,
2441                                             void *user_data)
2442 {
2443         struct wpa_supplicant *wpa_s = user_data;
2444         dbus_uint32_t expire_age;
2445
2446         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2447                                               &expire_age))
2448                 return FALSE;
2449
2450         if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
2451                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2452                                      "BSSExpireAge must be >= 10");
2453                 return FALSE;
2454         }
2455         return TRUE;
2456 }
2457
2458
2459 /**
2460  * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
2461  * @iter: Pointer to incoming dbus message iter
2462  * @error: Location to store error on failure
2463  * @user_data: Function specific data
2464  * Returns: TRUE on success, FALSE on failure
2465  *
2466  * Getter function for "BSSExpireCount" property.
2467  */
2468 dbus_bool_t wpas_dbus_getter_bss_expire_count(DBusMessageIter *iter,
2469                                               DBusError *error,
2470                                               void *user_data)
2471 {
2472         struct wpa_supplicant *wpa_s = user_data;
2473         dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_scan_count;
2474
2475         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT32,
2476                                                 &expire_count, error);
2477 }
2478
2479
2480 /**
2481  * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
2482  * @iter: Pointer to incoming dbus message iter
2483  * @error: Location to store error on failure
2484  * @user_data: Function specific data
2485  * Returns: TRUE on success, FALSE on failure
2486  *
2487  * Setter function for "BSSExpireCount" property.
2488  */
2489 dbus_bool_t wpas_dbus_setter_bss_expire_count(DBusMessageIter *iter,
2490                                               DBusError *error,
2491                                               void *user_data)
2492 {
2493         struct wpa_supplicant *wpa_s = user_data;
2494         dbus_uint32_t expire_count;
2495
2496         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_UINT32,
2497                                               &expire_count))
2498                 return FALSE;
2499
2500         if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
2501                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2502                                      "BSSExpireCount must be > 0");
2503                 return FALSE;
2504         }
2505         return TRUE;
2506 }
2507
2508
2509 /**
2510  * wpas_dbus_getter_country - Control country code
2511  * @iter: Pointer to incoming dbus message iter
2512  * @error: Location to store error on failure
2513  * @user_data: Function specific data
2514  * Returns: TRUE on success, FALSE on failure
2515  *
2516  * Getter function for "Country" property.
2517  */
2518 dbus_bool_t wpas_dbus_getter_country(DBusMessageIter *iter, DBusError *error,
2519                                      void *user_data)
2520 {
2521         struct wpa_supplicant *wpa_s = user_data;
2522         char country[3];
2523         char *str = country;
2524
2525         country[0] = wpa_s->conf->country[0];
2526         country[1] = wpa_s->conf->country[1];
2527         country[2] = '\0';
2528
2529         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2530                                                 &str, error);
2531 }
2532
2533
2534 /**
2535  * wpas_dbus_setter_country - Control country code
2536  * @iter: Pointer to incoming dbus message iter
2537  * @error: Location to store error on failure
2538  * @user_data: Function specific data
2539  * Returns: TRUE on success, FALSE on failure
2540  *
2541  * Setter function for "Country" property.
2542  */
2543 dbus_bool_t wpas_dbus_setter_country(DBusMessageIter *iter, DBusError *error,
2544                                      void *user_data)
2545 {
2546         struct wpa_supplicant *wpa_s = user_data;
2547         const char *country;
2548
2549         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_STRING,
2550                                               &country))
2551                 return FALSE;
2552
2553         if (!country[0] || !country[1]) {
2554                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2555                                      "invalid country code");
2556                 return FALSE;
2557         }
2558
2559         if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
2560                 wpa_printf(MSG_DEBUG, "Failed to set country");
2561                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2562                                      "failed to set country code");
2563                 return FALSE;
2564         }
2565
2566         wpa_s->conf->country[0] = country[0];
2567         wpa_s->conf->country[1] = country[1];
2568         return TRUE;
2569 }
2570
2571
2572 /**
2573  * wpas_dbus_getter_scan_interval - Get scan interval
2574  * @iter: Pointer to incoming dbus message iter
2575  * @error: Location to store error on failure
2576  * @user_data: Function specific data
2577  * Returns: TRUE on success, FALSE on failure
2578  *
2579  * Getter function for "ScanInterval" property.
2580  */
2581 dbus_bool_t wpas_dbus_getter_scan_interval(DBusMessageIter *iter,
2582                                            DBusError *error,
2583                                            void *user_data)
2584 {
2585         struct wpa_supplicant *wpa_s = user_data;
2586         dbus_int32_t scan_interval = wpa_s->scan_interval;
2587
2588         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
2589                                                 &scan_interval, error);
2590 }
2591
2592
2593 /**
2594  * wpas_dbus_setter_scan_interval - Control scan interval
2595  * @iter: Pointer to incoming dbus message iter
2596  * @error: Location to store error on failure
2597  * @user_data: Function specific data
2598  * Returns: TRUE on success, FALSE on failure
2599  *
2600  * Setter function for "ScanInterval" property.
2601  */
2602 dbus_bool_t wpas_dbus_setter_scan_interval(DBusMessageIter *iter,
2603                                            DBusError *error,
2604                                            void *user_data)
2605 {
2606         struct wpa_supplicant *wpa_s = user_data;
2607         dbus_int32_t scan_interval;
2608
2609         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_INT32,
2610                                               &scan_interval))
2611                 return FALSE;
2612
2613         if (wpa_supplicant_set_scan_interval(wpa_s, scan_interval)) {
2614                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
2615                                      "scan_interval must be >= 0");
2616                 return FALSE;
2617         }
2618         return TRUE;
2619 }
2620
2621
2622 /**
2623  * wpas_dbus_getter_ifname - Get interface name
2624  * @iter: Pointer to incoming dbus message iter
2625  * @error: Location to store error on failure
2626  * @user_data: Function specific data
2627  * Returns: TRUE on success, FALSE on failure
2628  *
2629  * Getter for "Ifname" property.
2630  */
2631 dbus_bool_t wpas_dbus_getter_ifname(DBusMessageIter *iter, DBusError *error,
2632                                     void *user_data)
2633 {
2634         struct wpa_supplicant *wpa_s = user_data;
2635         const char *ifname = wpa_s->ifname;
2636
2637         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2638                                                 &ifname, error);
2639 }
2640
2641
2642 /**
2643  * wpas_dbus_getter_driver - Get interface name
2644  * @iter: Pointer to incoming dbus message iter
2645  * @error: Location to store error on failure
2646  * @user_data: Function specific data
2647  * Returns: TRUE on success, FALSE on failure
2648  *
2649  * Getter for "Driver" property.
2650  */
2651 dbus_bool_t wpas_dbus_getter_driver(DBusMessageIter *iter, DBusError *error,
2652                                     void *user_data)
2653 {
2654         struct wpa_supplicant *wpa_s = user_data;
2655         const char *driver;
2656
2657         if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2658                 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2659                            "wpa_s has no driver set");
2660                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: no driver set",
2661                                __func__);
2662                 return FALSE;
2663         }
2664
2665         driver = wpa_s->driver->name;
2666         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2667                                                 &driver, error);
2668 }
2669
2670
2671 /**
2672  * wpas_dbus_getter_current_bss - Get current bss object path
2673  * @iter: Pointer to incoming dbus message iter
2674  * @error: Location to store error on failure
2675  * @user_data: Function specific data
2676  * Returns: TRUE on success, FALSE on failure
2677  *
2678  * Getter for "CurrentBSS" property.
2679  */
2680 dbus_bool_t wpas_dbus_getter_current_bss(DBusMessageIter *iter,
2681                                          DBusError *error,
2682                                          void *user_data)
2683 {
2684         struct wpa_supplicant *wpa_s = user_data;
2685         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
2686
2687         if (wpa_s->current_bss)
2688                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2689                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2690                             wpa_s->dbus_new_path, wpa_s->current_bss->id);
2691         else
2692                 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2693
2694         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2695                                                 &bss_obj_path, error);
2696 }
2697
2698
2699 /**
2700  * wpas_dbus_getter_current_network - Get current network object path
2701  * @iter: Pointer to incoming dbus message iter
2702  * @error: Location to store error on failure
2703  * @user_data: Function specific data
2704  * Returns: TRUE on success, FALSE on failure
2705  *
2706  * Getter for "CurrentNetwork" property.
2707  */
2708 dbus_bool_t wpas_dbus_getter_current_network(DBusMessageIter *iter,
2709                                              DBusError *error,
2710                                              void *user_data)
2711 {
2712         struct wpa_supplicant *wpa_s = user_data;
2713         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
2714
2715         if (wpa_s->current_ssid)
2716                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2717                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2718                             wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2719         else
2720                 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2721
2722         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
2723                                                 &net_obj_path, error);
2724 }
2725
2726
2727 /**
2728  * wpas_dbus_getter_current_auth_mode - Get current authentication type
2729  * @iter: Pointer to incoming dbus message iter
2730  * @error: Location to store error on failure
2731  * @user_data: Function specific data
2732  * Returns: TRUE on success, FALSE on failure
2733  *
2734  * Getter for "CurrentAuthMode" property.
2735  */
2736 dbus_bool_t wpas_dbus_getter_current_auth_mode(DBusMessageIter *iter,
2737                                                DBusError *error,
2738                                                void *user_data)
2739 {
2740         struct wpa_supplicant *wpa_s = user_data;
2741         const char *eap_mode;
2742         const char *auth_mode;
2743         char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
2744
2745         if (wpa_s->wpa_state != WPA_COMPLETED) {
2746                 auth_mode = "INACTIVE";
2747         } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
2748             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2749                 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
2750                 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
2751                             "EAP-%s", eap_mode);
2752                 auth_mode = eap_mode_buf;
2753
2754         } else {
2755                 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
2756                                              wpa_s->current_ssid->proto);
2757         }
2758
2759         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2760                                                 &auth_mode, error);
2761 }
2762
2763
2764 /**
2765  * wpas_dbus_getter_bridge_ifname - Get interface name
2766  * @iter: Pointer to incoming dbus message iter
2767  * @error: Location to store error on failure
2768  * @user_data: Function specific data
2769  * Returns: TRUE on success, FALSE on failure
2770  *
2771  * Getter for "BridgeIfname" property.
2772  */
2773 dbus_bool_t wpas_dbus_getter_bridge_ifname(DBusMessageIter *iter,
2774                                            DBusError *error,
2775                                            void *user_data)
2776 {
2777         struct wpa_supplicant *wpa_s = user_data;
2778         const char *bridge_ifname = wpa_s->bridge_ifname;
2779         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
2780                                                 &bridge_ifname, error);
2781 }
2782
2783
2784 /**
2785  * wpas_dbus_getter_bsss - Get array of BSSs objects
2786  * @iter: Pointer to incoming dbus message iter
2787  * @error: Location to store error on failure
2788  * @user_data: Function specific data
2789  * Returns: TRUE on success, FALSE on failure
2790  *
2791  * Getter for "BSSs" property.
2792  */
2793 dbus_bool_t wpas_dbus_getter_bsss(DBusMessageIter *iter, DBusError *error,
2794                                   void *user_data)
2795 {
2796         struct wpa_supplicant *wpa_s = user_data;
2797         struct wpa_bss *bss;
2798         char **paths;
2799         unsigned int i = 0;
2800         dbus_bool_t success = FALSE;
2801
2802         paths = os_calloc(wpa_s->num_bss, sizeof(char *));
2803         if (!paths) {
2804                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2805                 return FALSE;
2806         }
2807
2808         /* Loop through scan results and append each result's object path */
2809         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2810                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2811                 if (paths[i] == NULL) {
2812                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2813                                              "no memory");
2814                         goto out;
2815                 }
2816                 /* Construct the object path for this BSS. */
2817                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2818                             "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2819                             wpa_s->dbus_new_path, bss->id);
2820         }
2821
2822         success = wpas_dbus_simple_array_property_getter(iter,
2823                                                          DBUS_TYPE_OBJECT_PATH,
2824                                                          paths, wpa_s->num_bss,
2825                                                          error);
2826
2827 out:
2828         while (i)
2829                 os_free(paths[--i]);
2830         os_free(paths);
2831         return success;
2832 }
2833
2834
2835 /**
2836  * wpas_dbus_getter_networks - Get array of networks objects
2837  * @iter: Pointer to incoming dbus message iter
2838  * @error: Location to store error on failure
2839  * @user_data: Function specific data
2840  * Returns: TRUE on success, FALSE on failure
2841  *
2842  * Getter for "Networks" property.
2843  */
2844 dbus_bool_t wpas_dbus_getter_networks(DBusMessageIter *iter, DBusError *error,
2845                                       void *user_data)
2846 {
2847         struct wpa_supplicant *wpa_s = user_data;
2848         struct wpa_ssid *ssid;
2849         char **paths;
2850         unsigned int i = 0, num = 0;
2851         dbus_bool_t success = FALSE;
2852
2853         if (wpa_s->conf == NULL) {
2854                 wpa_printf(MSG_ERROR, "%s[dbus]: An error occurred getting "
2855                            "networks list.", __func__);
2856                 dbus_set_error(error, DBUS_ERROR_FAILED, "%s: an error "
2857                                "occurred getting the networks list", __func__);
2858                 return FALSE;
2859         }
2860
2861         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2862                 if (!network_is_persistent_group(ssid))
2863                         num++;
2864
2865         paths = os_calloc(num, sizeof(char *));
2866         if (!paths) {
2867                 dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2868                 return FALSE;
2869         }
2870
2871         /* Loop through configured networks and append object path of each */
2872         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2873                 if (network_is_persistent_group(ssid))
2874                         continue;
2875                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2876                 if (paths[i] == NULL) {
2877                         dbus_set_error(error, DBUS_ERROR_NO_MEMORY, "no memory");
2878                         goto out;
2879                 }
2880
2881                 /* Construct the object path for this network. */
2882                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2883                             "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2884                             wpa_s->dbus_new_path, ssid->id);
2885         }
2886
2887         success = wpas_dbus_simple_array_property_getter(iter,
2888                                                          DBUS_TYPE_OBJECT_PATH,
2889                                                          paths, num, error);
2890
2891 out:
2892         while (i)
2893                 os_free(paths[--i]);
2894         os_free(paths);
2895         return success;
2896 }
2897
2898
2899 /**
2900  * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2901  * @iter: Pointer to incoming dbus message iter
2902  * @error: Location to store error on failure
2903  * @user_data: Function specific data
2904  * Returns: TRUE on success, FALSE on failure
2905  *
2906  * Getter for "Blobs" property.
2907  */
2908 dbus_bool_t wpas_dbus_getter_blobs(DBusMessageIter *iter, DBusError *error,
2909                                    void *user_data)
2910 {
2911         struct wpa_supplicant *wpa_s = user_data;
2912         DBusMessageIter variant_iter, dict_iter, entry_iter, array_iter;
2913         struct wpa_config_blob *blob;
2914
2915         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
2916                                               "a{say}", &variant_iter) ||
2917             !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2918                                               "{say}", &dict_iter)) {
2919                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2920                 return FALSE;
2921         }
2922
2923         blob = wpa_s->conf->blobs;
2924         while (blob) {
2925                 if (!dbus_message_iter_open_container(&dict_iter,
2926                                                       DBUS_TYPE_DICT_ENTRY,
2927                                                       NULL, &entry_iter) ||
2928                     !dbus_message_iter_append_basic(&entry_iter,
2929                                                     DBUS_TYPE_STRING,
2930                                                     &(blob->name)) ||
2931                     !dbus_message_iter_open_container(&entry_iter,
2932                                                       DBUS_TYPE_ARRAY,
2933                                                       DBUS_TYPE_BYTE_AS_STRING,
2934                                                       &array_iter) ||
2935                     !dbus_message_iter_append_fixed_array(&array_iter,
2936                                                           DBUS_TYPE_BYTE,
2937                                                           &(blob->data),
2938                                                           blob->len) ||
2939                     !dbus_message_iter_close_container(&entry_iter,
2940                                                        &array_iter) ||
2941                     !dbus_message_iter_close_container(&dict_iter,
2942                                                        &entry_iter)) {
2943                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
2944                                              "no memory");
2945                         return FALSE;
2946                 }
2947
2948                 blob = blob->next;
2949         }
2950
2951         if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
2952             !dbus_message_iter_close_container(iter, &variant_iter)) {
2953                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
2954                 return FALSE;
2955         }
2956
2957         return TRUE;
2958 }
2959
2960
2961 static struct wpa_bss * get_bss_helper(struct bss_handler_args *args,
2962                                        DBusError *error, const char *func_name)
2963 {
2964         struct wpa_bss *res = wpa_bss_get_id(args->wpa_s, args->id);
2965
2966         if (!res) {
2967                 wpa_printf(MSG_ERROR, "%s[dbus]: no bss with id %d found",
2968                            func_name, args->id);
2969                 dbus_set_error(error, DBUS_ERROR_FAILED,
2970                                "%s: BSS %d not found",
2971                                func_name, args->id);
2972         }
2973
2974         return res;
2975 }
2976
2977
2978 /**
2979  * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
2980  * @iter: Pointer to incoming dbus message iter
2981  * @error: Location to store error on failure
2982  * @user_data: Function specific data
2983  * Returns: TRUE on success, FALSE on failure
2984  *
2985  * Getter for "BSSID" property.
2986  */
2987 dbus_bool_t wpas_dbus_getter_bss_bssid(DBusMessageIter *iter, DBusError *error,
2988                                        void *user_data)
2989 {
2990         struct bss_handler_args *args = user_data;
2991         struct wpa_bss *res;
2992
2993         res = get_bss_helper(args, error, __func__);
2994         if (!res)
2995                 return FALSE;
2996
2997         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
2998                                                       res->bssid, ETH_ALEN,
2999                                                       error);
3000 }
3001
3002
3003 /**
3004  * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
3005  * @iter: Pointer to incoming dbus message iter
3006  * @error: Location to store error on failure
3007  * @user_data: Function specific data
3008  * Returns: TRUE on success, FALSE on failure
3009  *
3010  * Getter for "SSID" property.
3011  */
3012 dbus_bool_t wpas_dbus_getter_bss_ssid(DBusMessageIter *iter, DBusError *error,
3013                                       void *user_data)
3014 {
3015         struct bss_handler_args *args = user_data;
3016         struct wpa_bss *res;
3017
3018         res = get_bss_helper(args, error, __func__);
3019         if (!res)
3020                 return FALSE;
3021
3022         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3023                                                       res->ssid, res->ssid_len,
3024                                                       error);
3025 }
3026
3027
3028 /**
3029  * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
3030  * @iter: Pointer to incoming dbus message iter
3031  * @error: Location to store error on failure
3032  * @user_data: Function specific data
3033  * Returns: TRUE on success, FALSE on failure
3034  *
3035  * Getter for "Privacy" property.
3036  */
3037 dbus_bool_t wpas_dbus_getter_bss_privacy(DBusMessageIter *iter,
3038                                          DBusError *error, void *user_data)
3039 {
3040         struct bss_handler_args *args = user_data;
3041         struct wpa_bss *res;
3042         dbus_bool_t privacy;
3043
3044         res = get_bss_helper(args, error, __func__);
3045         if (!res)
3046                 return FALSE;
3047
3048         privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
3049         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3050                                                 &privacy, error);
3051 }
3052
3053
3054 /**
3055  * wpas_dbus_getter_bss_mode - Return the mode of a BSS
3056  * @iter: Pointer to incoming dbus message iter
3057  * @error: Location to store error on failure
3058  * @user_data: Function specific data
3059  * Returns: TRUE on success, FALSE on failure
3060  *
3061  * Getter for "Mode" property.
3062  */
3063 dbus_bool_t wpas_dbus_getter_bss_mode(DBusMessageIter *iter, DBusError *error,
3064                                       void *user_data)
3065 {
3066         struct bss_handler_args *args = user_data;
3067         struct wpa_bss *res;
3068         const char *mode;
3069
3070         res = get_bss_helper(args, error, __func__);
3071         if (!res)
3072                 return FALSE;
3073
3074         if (res->caps & IEEE80211_CAP_IBSS)
3075                 mode = "ad-hoc";
3076         else
3077                 mode = "infrastructure";
3078
3079         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
3080                                                 &mode, error);
3081 }
3082
3083
3084 /**
3085  * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
3086  * @iter: Pointer to incoming dbus message iter
3087  * @error: Location to store error on failure
3088  * @user_data: Function specific data
3089  * Returns: TRUE on success, FALSE on failure
3090  *
3091  * Getter for "Level" property.
3092  */
3093 dbus_bool_t wpas_dbus_getter_bss_signal(DBusMessageIter *iter,
3094                                         DBusError *error, void *user_data)
3095 {
3096         struct bss_handler_args *args = user_data;
3097         struct wpa_bss *res;
3098         s16 level;
3099
3100         res = get_bss_helper(args, error, __func__);
3101         if (!res)
3102                 return FALSE;
3103
3104         level = (s16) res->level;
3105         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT16,
3106                                                 &level, error);
3107 }
3108
3109
3110 /**
3111  * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
3112  * @iter: Pointer to incoming dbus message iter
3113  * @error: Location to store error on failure
3114  * @user_data: Function specific data
3115  * Returns: TRUE on success, FALSE on failure
3116  *
3117  * Getter for "Frequency" property.
3118  */
3119 dbus_bool_t wpas_dbus_getter_bss_frequency(DBusMessageIter *iter,
3120                                            DBusError *error, void *user_data)
3121 {
3122         struct bss_handler_args *args = user_data;
3123         struct wpa_bss *res;
3124         u16 freq;
3125
3126         res = get_bss_helper(args, error, __func__);
3127         if (!res)
3128                 return FALSE;
3129
3130         freq = (u16) res->freq;
3131         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
3132                                                 &freq, error);
3133 }
3134
3135
3136 static int cmp_u8s_desc(const void *a, const void *b)
3137 {
3138         return (*(u8 *) b - *(u8 *) a);
3139 }
3140
3141
3142 /**
3143  * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
3144  * @iter: Pointer to incoming dbus message iter
3145  * @error: Location to store error on failure
3146  * @user_data: Function specific data
3147  * Returns: TRUE on success, FALSE on failure
3148  *
3149  * Getter for "Rates" property.
3150  */
3151 dbus_bool_t wpas_dbus_getter_bss_rates(DBusMessageIter *iter,
3152                                        DBusError *error, void *user_data)
3153 {
3154         struct bss_handler_args *args = user_data;
3155         struct wpa_bss *res;
3156         u8 *ie_rates = NULL;
3157         u32 *real_rates;
3158         int rates_num, i;
3159         dbus_bool_t success = FALSE;
3160
3161         res = get_bss_helper(args, error, __func__);
3162         if (!res)
3163                 return FALSE;
3164
3165         rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
3166         if (rates_num < 0)
3167                 return FALSE;
3168
3169         qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
3170
3171         real_rates = os_malloc(sizeof(u32) * rates_num);
3172         if (!real_rates) {
3173                 os_free(ie_rates);
3174                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3175                 return FALSE;
3176         }
3177
3178         for (i = 0; i < rates_num; i++)
3179                 real_rates[i] = ie_rates[i] * 500000;
3180
3181         success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_UINT32,
3182                                                          real_rates, rates_num,
3183                                                          error);
3184
3185         os_free(ie_rates);
3186         os_free(real_rates);
3187         return success;
3188 }
3189
3190
3191 static dbus_bool_t wpas_dbus_get_bss_security_prop(DBusMessageIter *iter,
3192                                                    struct wpa_ie_data *ie_data,
3193                                                    DBusError *error)
3194 {
3195         DBusMessageIter iter_dict, variant_iter;
3196         const char *group;
3197         const char *pairwise[3]; /* max 3 pairwise ciphers is supported */
3198         const char *key_mgmt[7]; /* max 7 key managements may be supported */
3199         int n;
3200
3201         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
3202                                               "a{sv}", &variant_iter))
3203                 goto nomem;
3204
3205         if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
3206                 goto nomem;
3207
3208         /* KeyMgmt */
3209         n = 0;
3210         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
3211                 key_mgmt[n++] = "wpa-psk";
3212         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
3213                 key_mgmt[n++] = "wpa-ft-psk";
3214         if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
3215                 key_mgmt[n++] = "wpa-psk-sha256";
3216         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
3217                 key_mgmt[n++] = "wpa-eap";
3218         if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
3219                 key_mgmt[n++] = "wpa-ft-eap";
3220         if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
3221                 key_mgmt[n++] = "wpa-eap-sha256";
3222         if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
3223                 key_mgmt[n++] = "wpa-none";
3224
3225         if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
3226                                                key_mgmt, n))
3227                 goto nomem;
3228
3229         /* Group */
3230         switch (ie_data->group_cipher) {
3231         case WPA_CIPHER_WEP40:
3232                 group = "wep40";
3233                 break;
3234         case WPA_CIPHER_TKIP:
3235                 group = "tkip";
3236                 break;
3237         case WPA_CIPHER_CCMP:
3238                 group = "ccmp";
3239                 break;
3240         case WPA_CIPHER_GCMP:
3241                 group = "gcmp";
3242                 break;
3243         case WPA_CIPHER_WEP104:
3244                 group = "wep104";
3245                 break;
3246         default:
3247                 group = "";
3248                 break;
3249         }
3250
3251         if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
3252                 goto nomem;
3253
3254         /* Pairwise */
3255         n = 0;
3256         if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
3257                 pairwise[n++] = "tkip";
3258         if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
3259                 pairwise[n++] = "ccmp";
3260         if (ie_data->pairwise_cipher & WPA_CIPHER_GCMP)
3261                 pairwise[n++] = "gcmp";
3262
3263         if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
3264                                                pairwise, n))
3265                 goto nomem;
3266
3267         /* Management group (RSN only) */
3268         if (ie_data->proto == WPA_PROTO_RSN) {
3269                 switch (ie_data->mgmt_group_cipher) {
3270 #ifdef CONFIG_IEEE80211W
3271                 case WPA_CIPHER_AES_128_CMAC:
3272                         group = "aes128cmac";
3273                         break;
3274 #endif /* CONFIG_IEEE80211W */
3275                 default:
3276                         group = "";
3277                         break;
3278                 }
3279
3280                 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
3281                                                  group))
3282                         goto nomem;
3283         }
3284
3285         if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
3286                 goto nomem;
3287         if (!dbus_message_iter_close_container(iter, &variant_iter))
3288                 goto nomem;
3289
3290         return TRUE;
3291
3292 nomem:
3293         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3294         return FALSE;
3295 }
3296
3297
3298 /**
3299  * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
3300  * @iter: Pointer to incoming dbus message iter
3301  * @error: Location to store error on failure
3302  * @user_data: Function specific data
3303  * Returns: TRUE on success, FALSE on failure
3304  *
3305  * Getter for "WPA" property.
3306  */
3307 dbus_bool_t wpas_dbus_getter_bss_wpa(DBusMessageIter *iter, DBusError *error,
3308                                      void *user_data)
3309 {
3310         struct bss_handler_args *args = user_data;
3311         struct wpa_bss *res;
3312         struct wpa_ie_data wpa_data;
3313         const u8 *ie;
3314
3315         res = get_bss_helper(args, error, __func__);
3316         if (!res)
3317                 return FALSE;
3318
3319         os_memset(&wpa_data, 0, sizeof(wpa_data));
3320         ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
3321         if (ie) {
3322                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3323                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3324                                              "failed to parse WPA IE");
3325                         return FALSE;
3326                 }
3327         }
3328
3329         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3330 }
3331
3332
3333 /**
3334  * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
3335  * @iter: Pointer to incoming dbus message iter
3336  * @error: Location to store error on failure
3337  * @user_data: Function specific data
3338  * Returns: TRUE on success, FALSE on failure
3339  *
3340  * Getter for "RSN" property.
3341  */
3342 dbus_bool_t wpas_dbus_getter_bss_rsn(DBusMessageIter *iter, DBusError *error,
3343                                      void *user_data)
3344 {
3345         struct bss_handler_args *args = user_data;
3346         struct wpa_bss *res;
3347         struct wpa_ie_data wpa_data;
3348         const u8 *ie;
3349
3350         res = get_bss_helper(args, error, __func__);
3351         if (!res)
3352                 return FALSE;
3353
3354         os_memset(&wpa_data, 0, sizeof(wpa_data));
3355         ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
3356         if (ie) {
3357                 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0) {
3358                         dbus_set_error_const(error, DBUS_ERROR_FAILED,
3359                                              "failed to parse RSN IE");
3360                         return FALSE;
3361                 }
3362         }
3363
3364         return wpas_dbus_get_bss_security_prop(iter, &wpa_data, error);
3365 }
3366
3367
3368 /**
3369  * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
3370  * @iter: Pointer to incoming dbus message iter
3371  * @error: Location to store error on failure
3372  * @user_data: Function specific data
3373  * Returns: TRUE on success, FALSE on failure
3374  *
3375  * Getter for "IEs" property.
3376  */
3377 dbus_bool_t wpas_dbus_getter_bss_ies(DBusMessageIter *iter, DBusError *error,
3378                                      void *user_data)
3379 {
3380         struct bss_handler_args *args = user_data;
3381         struct wpa_bss *res;
3382
3383         res = get_bss_helper(args, error, __func__);
3384         if (!res)
3385                 return FALSE;
3386
3387         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
3388                                                       res + 1, res->ie_len,
3389                                                       error);
3390 }
3391
3392
3393 /**
3394  * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
3395  * @iter: Pointer to incoming dbus message iter
3396  * @error: Location to store error on failure
3397  * @user_data: Function specific data
3398  * Returns: TRUE on success, FALSE on failure
3399  *
3400  * Getter for "enabled" property of a configured network.
3401  */
3402 dbus_bool_t wpas_dbus_getter_enabled(DBusMessageIter *iter, DBusError *error,
3403                                      void *user_data)
3404 {
3405         struct network_handler_args *net = user_data;
3406         dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
3407
3408         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BOOLEAN,
3409                                                 &enabled, error);
3410 }
3411
3412
3413 /**
3414  * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
3415  * @iter: Pointer to incoming dbus message iter
3416  * @error: Location to store error on failure
3417  * @user_data: Function specific data
3418  * Returns: TRUE on success, FALSE on failure
3419  *
3420  * Setter for "Enabled" property of a configured network.
3421  */
3422 dbus_bool_t wpas_dbus_setter_enabled(DBusMessageIter *iter, DBusError *error,
3423                                      void *user_data)
3424 {
3425         struct network_handler_args *net = user_data;
3426         struct wpa_supplicant *wpa_s;
3427         struct wpa_ssid *ssid;
3428         dbus_bool_t enable;
3429
3430         if (!wpas_dbus_simple_property_setter(iter, error, DBUS_TYPE_BOOLEAN,
3431                                               &enable))
3432                 return FALSE;
3433
3434         wpa_s = net->wpa_s;
3435         ssid = net->ssid;
3436
3437         if (enable)
3438                 wpa_supplicant_enable_network(wpa_s, ssid);
3439         else
3440                 wpa_supplicant_disable_network(wpa_s, ssid);
3441
3442         return TRUE;
3443 }
3444
3445
3446 /**
3447  * wpas_dbus_getter_network_properties - Get options for a configured network
3448  * @iter: Pointer to incoming dbus message iter
3449  * @error: Location to store error on failure
3450  * @user_data: Function specific data
3451  * Returns: TRUE on success, FALSE on failure
3452  *
3453  * Getter for "Properties" property of a configured network.
3454  */
3455 dbus_bool_t wpas_dbus_getter_network_properties(DBusMessageIter *iter,
3456                                                 DBusError *error,
3457                                                 void *user_data)
3458 {
3459         struct network_handler_args *net = user_data;
3460         DBusMessageIter variant_iter, dict_iter;
3461         char **iterator;
3462         char **props = wpa_config_get_all(net->ssid, 1);
3463         dbus_bool_t success = FALSE;
3464
3465         if (!props) {
3466                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3467                 return FALSE;
3468         }
3469
3470         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
3471                                               &variant_iter) ||
3472             !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
3473                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3474                 goto out;
3475         }
3476
3477         iterator = props;
3478         while (*iterator) {
3479                 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
3480                                                  *(iterator + 1))) {
3481                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
3482                                              "no memory");
3483                         goto out;
3484                 }
3485                 iterator += 2;
3486         }
3487
3488
3489         if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
3490             !dbus_message_iter_close_container(iter, &variant_iter)) {
3491                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
3492                 goto out;
3493         }
3494
3495         success = TRUE;
3496
3497 out:
3498         iterator = props;
3499         while (*iterator) {
3500                 os_free(*iterator);
3501                 iterator++;
3502         }
3503         os_free(props);
3504         return success;
3505 }
3506
3507
3508 /**
3509  * wpas_dbus_setter_network_properties - Set options for a configured network
3510  * @iter: Pointer to incoming dbus message iter
3511  * @error: Location to store error on failure
3512  * @user_data: Function specific data
3513  * Returns: TRUE on success, FALSE on failure
3514  *
3515  * Setter for "Properties" property of a configured network.
3516  */
3517 dbus_bool_t wpas_dbus_setter_network_properties(DBusMessageIter *iter,
3518                                                 DBusError *error,
3519                                                 void *user_data)
3520 {
3521         struct network_handler_args *net = user_data;
3522         struct wpa_ssid *ssid = net->ssid;
3523         DBusMessageIter variant_iter;
3524
3525         dbus_message_iter_recurse(iter, &variant_iter);
3526         return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
3527 }
3528
3529
3530 #ifdef CONFIG_AP
3531
3532 DBusMessage * wpas_dbus_handler_subscribe_preq(
3533         DBusMessage *message, struct wpa_supplicant *wpa_s)
3534 {
3535         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3536         char *name;
3537
3538         if (wpa_s->preq_notify_peer != NULL) {
3539                 if (os_strcmp(dbus_message_get_sender(message),
3540                               wpa_s->preq_notify_peer) == 0)
3541                         return NULL;
3542
3543                 return dbus_message_new_error(message,
3544                         WPAS_DBUS_ERROR_SUBSCRIPTION_IN_USE,
3545                         "Another application is already subscribed");
3546         }
3547
3548         name = os_strdup(dbus_message_get_sender(message));
3549         if (!name)
3550                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3551                                               "out of memory");
3552
3553         wpa_s->preq_notify_peer = name;
3554
3555         /* Subscribe to clean up if application closes socket */
3556         wpas_dbus_subscribe_noc(priv);
3557
3558         /*
3559          * Double-check it's still alive to make sure that we didn't
3560          * miss the NameOwnerChanged signal, e.g. while strdup'ing.
3561          */
3562         if (!dbus_bus_name_has_owner(priv->con, name, NULL)) {
3563                 /*
3564                  * Application no longer exists, clean up.
3565                  * The return value is irrelevant now.
3566                  *
3567                  * Need to check if the NameOwnerChanged handling
3568                  * already cleaned up because we have processed
3569                  * DBus messages while checking if the name still
3570                  * has an owner.
3571                  */
3572                 if (!wpa_s->preq_notify_peer)
3573                         return NULL;
3574                 os_free(wpa_s->preq_notify_peer);
3575                 wpa_s->preq_notify_peer = NULL;
3576                 wpas_dbus_unsubscribe_noc(priv);
3577         }
3578
3579         return NULL;
3580 }
3581
3582
3583 DBusMessage * wpas_dbus_handler_unsubscribe_preq(
3584         DBusMessage *message, struct wpa_supplicant *wpa_s)
3585 {
3586         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3587
3588         if (!wpa_s->preq_notify_peer)
3589                 return dbus_message_new_error(message,
3590                         WPAS_DBUS_ERROR_NO_SUBSCRIPTION,
3591                         "Not subscribed");
3592
3593         if (os_strcmp(wpa_s->preq_notify_peer,
3594                       dbus_message_get_sender(message)))
3595                 return dbus_message_new_error(message,
3596                         WPAS_DBUS_ERROR_SUBSCRIPTION_EPERM,
3597                         "Can't unsubscribe others");
3598
3599         os_free(wpa_s->preq_notify_peer);
3600         wpa_s->preq_notify_peer = NULL;
3601         wpas_dbus_unsubscribe_noc(priv);
3602         return NULL;
3603 }
3604
3605
3606 void wpas_dbus_signal_preq(struct wpa_supplicant *wpa_s,
3607                            const u8 *addr, const u8 *dst, const u8 *bssid,
3608                            const u8 *ie, size_t ie_len, u32 ssi_signal)
3609 {
3610         DBusMessage *msg;
3611         DBusMessageIter iter, dict_iter;
3612         struct wpas_dbus_priv *priv = wpa_s->global->dbus;
3613
3614         /* Do nothing if the control interface is not turned on */
3615         if (priv == NULL)
3616                 return;
3617
3618         if (wpa_s->preq_notify_peer == NULL)
3619                 return;
3620
3621         msg = dbus_message_new_signal(wpa_s->dbus_new_path,
3622                                       WPAS_DBUS_NEW_IFACE_INTERFACE,
3623                                       "ProbeRequest");
3624         if (msg == NULL)
3625                 return;
3626
3627         dbus_message_set_destination(msg, wpa_s->preq_notify_peer);
3628
3629         dbus_message_iter_init_append(msg, &iter);
3630
3631         if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
3632                 goto fail;
3633         if (addr && !wpa_dbus_dict_append_byte_array(&dict_iter, "addr",
3634                                                      (const char *) addr,
3635                                                      ETH_ALEN))
3636                 goto fail;
3637         if (dst && !wpa_dbus_dict_append_byte_array(&dict_iter, "dst",
3638                                                     (const char *) dst,
3639                                                     ETH_ALEN))
3640                 goto fail;
3641         if (bssid && !wpa_dbus_dict_append_byte_array(&dict_iter, "bssid",
3642                                                       (const char *) bssid,
3643                                                       ETH_ALEN))
3644                 goto fail;
3645         if (ie && ie_len && !wpa_dbus_dict_append_byte_array(&dict_iter, "ies",
3646                                                              (const char *) ie,
3647                                                              ie_len))
3648                 goto fail;
3649         if (ssi_signal && !wpa_dbus_dict_append_int32(&dict_iter, "signal",
3650                                                       ssi_signal))
3651                 goto fail;
3652         if (!wpa_dbus_dict_close_write(&iter, &dict_iter))
3653                 goto fail;
3654
3655         dbus_connection_send(priv->con, msg, NULL);
3656         goto out;
3657 fail:
3658         wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
3659 out:
3660         dbus_message_unref(msg);
3661 }
3662
3663 #endif /* CONFIG_AP */