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>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * Alternatively, this software may be distributed under the terms of BSD
14 * See README and COPYING for more details.
20 #include "common/ieee802_11_defs.h"
21 #include "eap_peer/eap_methods.h"
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "rsn_supp/wpa.h"
24 #include "../config.h"
25 #include "../wpa_supplicant_i.h"
26 #include "../driver_i.h"
27 #include "../notify.h"
28 #include "../wpas_glue.h"
31 #include "dbus_new_helpers.h"
33 #include "dbus_new_handlers.h"
34 #include "dbus_dict_helpers.h"
36 extern int wpa_debug_level;
37 extern int wpa_debug_show_keys;
38 extern int wpa_debug_timestamp;
40 static const char *debug_strings[] = {
41 "excessive", "msgdump", "debug", "info", "warning", "error", NULL
46 * wpas_dbus_new_decompose_object_path - Decompose an interface object path into parts
47 * @path: The dbus object path
48 * @network: (out) the configured network this object path refers to, if any
49 * @bssid: (out) the scanned bssid this object path refers to, if any
50 * Returns: The object path of the network interface this path refers to
52 * For a given object path, decomposes the object path into object id, network,
53 * and BSSID parts, if those parts exist.
55 static char * wpas_dbus_new_decompose_object_path(const char *path,
59 const unsigned int dev_path_prefix_len =
60 strlen(WPAS_DBUS_NEW_PATH_INTERFACES "/");
64 /* Be a bit paranoid about path */
65 if (!path || os_strncmp(path, WPAS_DBUS_NEW_PATH_INTERFACES "/",
69 /* Ensure there's something at the end of the path */
70 if ((path + dev_path_prefix_len)[0] == '\0')
73 obj_path_only = os_strdup(path);
74 if (obj_path_only == NULL)
77 next_sep = os_strchr(obj_path_only + dev_path_prefix_len, '/');
78 if (next_sep != NULL) {
79 const char *net_part = os_strstr(
80 next_sep, WPAS_DBUS_NEW_NETWORKS_PART "/");
81 const char *bssid_part = os_strstr(
82 next_sep, WPAS_DBUS_NEW_BSSIDS_PART "/");
84 if (network && net_part) {
85 /* Deal with a request for a configured network */
86 const char *net_name = net_part +
87 os_strlen(WPAS_DBUS_NEW_NETWORKS_PART "/");
89 if (os_strlen(net_name))
90 *network = os_strdup(net_name);
91 } else if (bssid && bssid_part) {
92 /* Deal with a request for a scanned BSSID */
93 const char *bssid_name = bssid_part +
94 os_strlen(WPAS_DBUS_NEW_BSSIDS_PART "/");
95 if (strlen(bssid_name))
96 *bssid = os_strdup(bssid_name);
101 /* Cut off interface object path before "/" */
105 return obj_path_only;
110 * wpas_dbus_error_unknown_error - Return a new InvalidArgs error message
111 * @message: Pointer to incoming dbus message this error refers to
112 * @arg: Optional string appended to error message
113 * Returns: a dbus error message
115 * Convenience function to create and return an UnknownError
117 DBusMessage * wpas_dbus_error_unknown_error(DBusMessage *message,
121 * This function can be called as a result of a failure
122 * within internal getter calls, which will call this function
123 * with a NULL message parameter. However, dbus_message_new_error
124 * looks very unkindly (i.e, abort()) on a NULL message, so
125 * in this case, we should not call it.
127 if (message == NULL) {
128 wpa_printf(MSG_INFO, "dbus: wpas_dbus_error_unknown_error "
129 "called with NULL message (arg=%s)",
134 return dbus_message_new_error(message, WPAS_DBUS_ERROR_UNKNOWN_ERROR,
140 * wpas_dbus_error_iface_unknown - Return a new invalid interface error message
141 * @message: Pointer to incoming dbus message this error refers to
142 * Returns: A dbus error message
144 * Convenience function to create and return an invalid interface error
146 static DBusMessage * wpas_dbus_error_iface_unknown(DBusMessage *message)
148 return dbus_message_new_error(message, WPAS_DBUS_ERROR_IFACE_UNKNOWN,
149 "wpa_supplicant knows nothing about "
155 * wpas_dbus_error_network_unknown - Return a new NetworkUnknown error message
156 * @message: Pointer to incoming dbus message this error refers to
157 * Returns: a dbus error message
159 * Convenience function to create and return an invalid network error
161 static DBusMessage * wpas_dbus_error_network_unknown(DBusMessage *message)
163 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
164 "There is no such a network in this "
170 * wpas_dbus_error_invalid_args - Return a new InvalidArgs error message
171 * @message: Pointer to incoming dbus message this error refers to
172 * Returns: a dbus error message
174 * Convenience function to create and return an invalid options error
176 DBusMessage * wpas_dbus_error_invalid_args(DBusMessage *message,
181 reply = dbus_message_new_error(message, WPAS_DBUS_ERROR_INVALID_ARGS,
182 "Did not receive correct message "
185 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
192 static const char *dont_quote[] = {
193 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
194 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
198 static dbus_bool_t should_quote_opt(const char *key)
201 while (dont_quote[i] != NULL) {
202 if (os_strcmp(key, dont_quote[i]) == 0)
210 * get_iface_by_dbus_path - Get a new network interface
211 * @global: Pointer to global data from wpa_supplicant_init()
212 * @path: Pointer to a dbus object path representing an interface
213 * Returns: Pointer to the interface or %NULL if not found
215 static struct wpa_supplicant * get_iface_by_dbus_path(
216 struct wpa_global *global, const char *path)
218 struct wpa_supplicant *wpa_s;
220 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
221 if (os_strcmp(wpa_s->dbus_new_path, path) == 0)
229 * set_network_properties - Set properties of a configured network
230 * @message: Pointer to incoming dbus message
231 * @wpa_s: wpa_supplicant structure for a network interface
232 * @ssid: wpa_ssid structure for a configured network
233 * @iter: DBus message iterator containing dictionary of network
235 * Returns: NULL when succeed or DBus error on failure
237 * Sets network configuration with parameters given id DBus dictionary
239 static DBusMessage * set_network_properties(DBusMessage *message,
240 struct wpa_supplicant *wpa_s,
241 struct wpa_ssid *ssid,
242 DBusMessageIter *iter)
245 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
246 DBusMessage *reply = NULL;
247 DBusMessageIter iter_dict;
249 if (!wpa_dbus_dict_open_read(iter, &iter_dict))
250 return wpas_dbus_error_invalid_args(message, NULL);
252 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
256 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
257 reply = wpas_dbus_error_invalid_args(message, NULL);
260 if (entry.type == DBUS_TYPE_ARRAY &&
261 entry.array_type == DBUS_TYPE_BYTE) {
262 if (entry.array_len <= 0)
265 size = entry.array_len * 2 + 1;
266 value = os_zalloc(size);
270 ret = wpa_snprintf_hex(value, size,
271 (u8 *) entry.bytearray_value,
275 } else if (entry.type == DBUS_TYPE_STRING) {
276 if (should_quote_opt(entry.key)) {
277 size = os_strlen(entry.str_value);
282 value = os_zalloc(size);
286 ret = os_snprintf(value, size, "\"%s\"",
288 if (ret < 0 || (size_t) ret != (size - 1))
291 value = os_strdup(entry.str_value);
295 } else if (entry.type == DBUS_TYPE_UINT32) {
296 value = os_zalloc(size);
300 ret = os_snprintf(value, size, "%u",
304 } else if (entry.type == DBUS_TYPE_INT32) {
305 value = os_zalloc(size);
309 ret = os_snprintf(value, size, "%d",
316 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
319 if ((os_strcmp(entry.key, "psk") == 0 &&
320 value[0] == '"' && ssid->ssid_len) ||
321 (strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
322 wpa_config_update_psk(ssid);
323 else if (os_strcmp(entry.key, "priority") == 0)
324 wpa_config_update_prio_list(wpa_s->conf);
327 wpa_dbus_dict_entry_clear(&entry);
332 reply = wpas_dbus_error_invalid_args(message, entry.key);
333 wpa_dbus_dict_entry_clear(&entry);
342 * wpas_dbus_simple_property_getter - Get basic type property
343 * @message: Pointer to incoming dbus message
344 * @type: DBus type of property (must be basic type)
345 * @val: pointer to place holding property value
346 * Returns: The DBus message containing response for Properties.Get call
347 * or DBus error message if error occurred.
349 * Generic getter for basic type properties. Type is required to be basic.
351 DBusMessage * wpas_dbus_simple_property_getter(DBusMessage *message,
352 const int type, const void *val)
354 DBusMessage *reply = NULL;
355 DBusMessageIter iter, variant_iter;
357 if (!dbus_type_is_basic(type)) {
358 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_getter:"
359 " given type is not basic");
360 return wpas_dbus_error_unknown_error(message, NULL);
364 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
366 reply = dbus_message_new_method_return(message);
369 dbus_message_iter_init_append(reply, &iter);
370 if (!dbus_message_iter_open_container(
371 &iter, DBUS_TYPE_VARIANT,
372 wpa_dbus_type_as_string(type), &variant_iter) ||
373 !dbus_message_iter_append_basic(&variant_iter, type,
375 !dbus_message_iter_close_container(&iter, &variant_iter)) {
376 wpa_printf(MSG_ERROR, "dbus: "
377 "wpas_dbus_simple_property_getter: out of "
378 "memory to put property value into "
380 dbus_message_unref(reply);
381 reply = dbus_message_new_error(message,
382 DBUS_ERROR_NO_MEMORY,
386 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_getter:"
387 " out of memory to return property value");
388 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
397 * wpas_dbus_simple_property_setter - Set basic type property
398 * @message: Pointer to incoming dbus message
399 * @type: DBus type of property (must be basic type)
400 * @val: pointer to place where value being set will be stored
401 * Returns: NULL or DBus error message if error occurred.
403 * Generic setter for basic type properties. Type is required to be basic.
405 DBusMessage * wpas_dbus_simple_property_setter(DBusMessage *message,
406 const int type, void *val)
408 DBusMessageIter iter, variant_iter;
410 if (!dbus_type_is_basic(type)) {
411 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_setter:"
412 " given type is not basic");
413 return wpas_dbus_error_unknown_error(message, NULL);
416 if (!dbus_message_iter_init(message, &iter)) {
417 wpa_printf(MSG_ERROR, "dbus: wpas_dbus_simple_property_setter:"
418 " out of memory to return scanning state");
419 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
423 /* omit first and second argument and get value from third */
424 dbus_message_iter_next(&iter);
425 dbus_message_iter_next(&iter);
426 dbus_message_iter_recurse(&iter, &variant_iter);
428 if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
429 wpa_printf(MSG_DEBUG, "dbus: wpas_dbus_simple_property_setter:"
430 " wrong property type");
431 return wpas_dbus_error_invalid_args(message,
432 "wrong property type");
434 dbus_message_iter_get_basic(&variant_iter, val);
441 * wpas_dbus_simple_array_property_getter - Get array type property
442 * @message: Pointer to incoming dbus message
443 * @type: DBus type of property array elements (must be basic type)
444 * @array: pointer to array of elements to put into response message
445 * @array_len: length of above array
446 * Returns: The DBus message containing response for Properties.Get call
447 * or DBus error message if error occurred.
449 * Generic getter for array type properties. Array elements type is
450 * required to be basic.
452 DBusMessage * wpas_dbus_simple_array_property_getter(DBusMessage *message,
457 DBusMessage *reply = NULL;
458 DBusMessageIter iter, variant_iter, array_iter;
459 char type_str[] = "a?"; /* ? will be replaced with subtype letter; */
460 const char *sub_type_str;
461 size_t element_size, i;
463 if (!dbus_type_is_basic(type)) {
464 wpa_printf(MSG_ERROR, "dbus: "
465 "wpas_dbus_simple_array_property_getter: given "
466 "type is not basic");
467 return wpas_dbus_error_unknown_error(message, NULL);
470 sub_type_str = wpa_dbus_type_as_string(type);
471 type_str[1] = sub_type_str[0];
474 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
476 reply = dbus_message_new_method_return(message);
478 wpa_printf(MSG_ERROR, "dbus: "
479 "wpas_dbus_simple_array_property_getter: out of "
480 "memory to create return message");
481 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
485 dbus_message_iter_init_append(reply, &iter);
487 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
488 type_str, &variant_iter) ||
489 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
490 sub_type_str, &array_iter)) {
491 wpa_printf(MSG_ERROR, "dbus: "
492 "wpas_dbus_simple_array_property_getter: out of "
493 "memory to open container");
494 dbus_message_unref(reply);
495 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
501 case DBUS_TYPE_BOOLEAN:
504 case DBUS_TYPE_INT16:
505 case DBUS_TYPE_UINT16:
506 element_size = sizeof(uint16_t);
508 case DBUS_TYPE_INT32:
509 case DBUS_TYPE_UINT32:
510 element_size = sizeof(uint32_t);
512 case DBUS_TYPE_INT64:
513 case DBUS_TYPE_UINT64:
514 element_size = sizeof(uint64_t);
516 case DBUS_TYPE_DOUBLE:
517 element_size = sizeof(double);
519 case DBUS_TYPE_STRING:
520 case DBUS_TYPE_OBJECT_PATH:
521 element_size = sizeof(char *);
524 wpa_printf(MSG_ERROR, "dbus: "
525 "wpas_dbus_simple_array_property_getter: "
526 "fatal: unknown element type");
531 for (i = 0; i < array_len; i++) {
532 dbus_message_iter_append_basic(&array_iter, type,
533 array + i * element_size);
536 if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
537 !dbus_message_iter_close_container(&iter, &variant_iter)) {
538 wpa_printf(MSG_ERROR, "dbus: "
539 "wpas_dbus_simple_array_property_getter: out of "
540 "memory to close container");
541 dbus_message_unref(reply);
542 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
551 * wpas_dbus_handler_create_interface - Request registration of a network iface
552 * @message: Pointer to incoming dbus message
553 * @global: %wpa_supplicant global data structure
554 * Returns: The object path of the new interface object,
555 * or a dbus error message with more information
557 * Handler function for "CreateInterface" method call. Handles requests
558 * by dbus clients to register a network interface that wpa_supplicant
561 DBusMessage * wpas_dbus_handler_create_interface(DBusMessage *message,
562 struct wpa_global *global)
564 DBusMessageIter iter_dict;
565 DBusMessage *reply = NULL;
566 DBusMessageIter iter;
567 struct wpa_dbus_dict_entry entry;
570 char *confname = NULL;
571 char *bridge_ifname = NULL;
573 dbus_message_iter_init(message, &iter);
575 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
577 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
578 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
580 if (!strcmp(entry.key, "Driver") &&
581 (entry.type == DBUS_TYPE_STRING)) {
582 driver = os_strdup(entry.str_value);
583 wpa_dbus_dict_entry_clear(&entry);
586 } else if (!strcmp(entry.key, "Ifname") &&
587 (entry.type == DBUS_TYPE_STRING)) {
588 ifname = os_strdup(entry.str_value);
589 wpa_dbus_dict_entry_clear(&entry);
592 } else if (!strcmp(entry.key, "ConfigFile") &&
593 (entry.type == DBUS_TYPE_STRING)) {
594 confname = os_strdup(entry.str_value);
595 wpa_dbus_dict_entry_clear(&entry);
596 if (confname == NULL)
598 } else if (!strcmp(entry.key, "BridgeIfname") &&
599 (entry.type == DBUS_TYPE_STRING)) {
600 bridge_ifname = os_strdup(entry.str_value);
601 wpa_dbus_dict_entry_clear(&entry);
602 if (bridge_ifname == NULL)
605 wpa_dbus_dict_entry_clear(&entry);
611 goto error; /* Required Ifname argument missing */
614 * Try to get the wpa_supplicant record for this iface, return
615 * an error if we already control it.
617 if (wpa_supplicant_get_iface(global, ifname) != NULL) {
618 reply = dbus_message_new_error(message,
619 WPAS_DBUS_ERROR_IFACE_EXISTS,
620 "wpa_supplicant already "
621 "controls this interface.");
623 struct wpa_supplicant *wpa_s;
624 struct wpa_interface iface;
625 os_memset(&iface, 0, sizeof(iface));
626 iface.driver = driver;
627 iface.ifname = ifname;
628 iface.confname = confname;
629 iface.bridge_ifname = bridge_ifname;
630 /* Otherwise, have wpa_supplicant attach to it. */
631 if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
632 const char *path = wpa_s->dbus_new_path;
633 reply = dbus_message_new_method_return(message);
634 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
635 &path, DBUS_TYPE_INVALID);
637 reply = wpas_dbus_error_unknown_error(
638 message, "wpa_supplicant couldn't grab this "
646 os_free(bridge_ifname);
650 reply = wpas_dbus_error_invalid_args(message, NULL);
656 * wpas_dbus_handler_remove_interface - Request deregistration of an interface
657 * @message: Pointer to incoming dbus message
658 * @global: wpa_supplicant global data structure
659 * Returns: a dbus message containing a UINT32 indicating success (1) or
660 * failure (0), or returns a dbus error message with more information
662 * Handler function for "removeInterface" method call. Handles requests
663 * by dbus clients to deregister a network interface that wpa_supplicant
666 DBusMessage * wpas_dbus_handler_remove_interface(DBusMessage *message,
667 struct wpa_global *global)
669 struct wpa_supplicant *wpa_s;
671 DBusMessage *reply = NULL;
673 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path,
676 wpa_s = get_iface_by_dbus_path(global, path);
678 reply = wpas_dbus_error_iface_unknown(message);
679 else if (wpa_supplicant_remove_iface(global, wpa_s)) {
680 reply = wpas_dbus_error_unknown_error(
681 message, "wpa_supplicant couldn't remove this "
690 * wpas_dbus_handler_get_interface - Get the object path for an interface name
691 * @message: Pointer to incoming dbus message
692 * @global: %wpa_supplicant global data structure
693 * Returns: The object path of the interface object,
694 * or a dbus error message with more information
696 * Handler function for "getInterface" method call.
698 DBusMessage * wpas_dbus_handler_get_interface(DBusMessage *message,
699 struct wpa_global *global)
701 DBusMessage *reply = NULL;
704 struct wpa_supplicant *wpa_s;
706 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &ifname,
709 wpa_s = wpa_supplicant_get_iface(global, ifname);
711 return wpas_dbus_error_iface_unknown(message);
713 path = wpa_s->dbus_new_path;
714 reply = dbus_message_new_method_return(message);
716 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
718 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
719 DBUS_TYPE_INVALID)) {
720 dbus_message_unref(reply);
721 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
730 * wpas_dbus_getter_debug_level - Get debug level
731 * @message: Pointer to incoming dbus message
732 * @global: %wpa_supplicant global data structure
733 * Returns: DBus message with value of debug level
735 * Getter for "DebugLevel" property.
737 DBusMessage * wpas_dbus_getter_debug_level(DBusMessage *message,
738 struct wpa_global *global)
741 int idx = wpa_debug_level;
746 str = debug_strings[idx];
747 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
753 * wpas_dbus_getter_debug_timestamp - Get debug timestamp
754 * @message: Pointer to incoming dbus message
755 * @global: %wpa_supplicant global data structure
756 * Returns: DBus message with value of debug timestamp
758 * Getter for "DebugTimestamp" property.
760 DBusMessage * wpas_dbus_getter_debug_timestamp(DBusMessage *message,
761 struct wpa_global *global)
763 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
764 &wpa_debug_timestamp);
770 * wpas_dbus_getter_debug_show_keys - Get debug show keys
771 * @message: Pointer to incoming dbus message
772 * @global: %wpa_supplicant global data structure
773 * Returns: DBus message with value of debug show_keys
775 * Getter for "DebugShowKeys" property.
777 DBusMessage * wpas_dbus_getter_debug_show_keys(DBusMessage *message,
778 struct wpa_global *global)
780 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
781 &wpa_debug_show_keys);
786 * wpas_dbus_setter_debug_level - Set debug level
787 * @message: Pointer to incoming dbus message
788 * @global: %wpa_supplicant global data structure
789 * Returns: %NULL or DBus error message
791 * Setter for "DebugLevel" property.
793 DBusMessage * wpas_dbus_setter_debug_level(DBusMessage *message,
794 struct wpa_global *global)
797 const char *str = NULL;
800 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_STRING,
805 for (i = 0; debug_strings[i]; i++)
806 if (os_strcmp(debug_strings[i], str) == 0) {
812 wpa_supplicant_set_debug_params(global, val, wpa_debug_timestamp,
813 wpa_debug_show_keys)) {
814 return wpas_dbus_error_invalid_args(
815 message, "Wrong debug level value");
823 * wpas_dbus_setter_debug_timestamp - Set debug timestamp
824 * @message: Pointer to incoming dbus message
825 * @global: %wpa_supplicant global data structure
826 * Returns: %NULL or DBus error message
828 * Setter for "DebugTimestamp" property.
830 DBusMessage * wpas_dbus_setter_debug_timestamp(DBusMessage *message,
831 struct wpa_global *global)
836 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
841 wpa_supplicant_set_debug_params(global, wpa_debug_level, val ? 1 : 0,
842 wpa_debug_show_keys);
849 * wpas_dbus_setter_debug_show_keys - Set debug show keys
850 * @message: Pointer to incoming dbus message
851 * @global: %wpa_supplicant global data structure
852 * Returns: %NULL or DBus error message
854 * Setter for "DebugShowKeys" property.
856 DBusMessage * wpas_dbus_setter_debug_show_keys(DBusMessage *message,
857 struct wpa_global *global)
862 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
867 wpa_supplicant_set_debug_params(global, wpa_debug_level,
876 * wpas_dbus_getter_interfaces - Request registered interfaces list
877 * @message: Pointer to incoming dbus message
878 * @global: %wpa_supplicant global data structure
879 * Returns: The object paths array containing registered interfaces
880 * objects paths or DBus error on failure
882 * Getter for "Interfaces" property. Handles requests
883 * by dbus clients to return list of registered interfaces objects
886 DBusMessage * wpas_dbus_getter_interfaces(DBusMessage *message,
887 struct wpa_global *global)
889 DBusMessage *reply = NULL;
890 struct wpa_supplicant *wpa_s;
892 unsigned int i = 0, num = 0;
894 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
897 paths = os_zalloc(num * sizeof(char*));
899 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
903 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
904 paths[i++] = wpa_s->dbus_new_path;
906 reply = wpas_dbus_simple_array_property_getter(message,
907 DBUS_TYPE_OBJECT_PATH,
916 * wpas_dbus_getter_eap_methods - Request supported EAP methods list
917 * @message: Pointer to incoming dbus message
918 * @nothing: not used argument. may be NULL or anything else
919 * Returns: The object paths array containing supported EAP methods
920 * represented by strings or DBus error on failure
922 * Getter for "EapMethods" property. Handles requests
923 * by dbus clients to return list of strings with supported EAP methods
925 DBusMessage * wpas_dbus_getter_eap_methods(DBusMessage *message, void *nothing)
927 DBusMessage *reply = NULL;
929 size_t num_items = 0;
931 eap_methods = eap_get_names_as_string_array(&num_items);
933 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
937 reply = wpas_dbus_simple_array_property_getter(message,
939 eap_methods, num_items);
942 os_free(eap_methods[--num_items]);
943 os_free(eap_methods);
948 static int wpas_dbus_get_scan_type(DBusMessage *message, DBusMessageIter *var,
949 char **type, DBusMessage **reply)
951 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_STRING) {
952 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
953 "Type must be a string");
954 *reply = wpas_dbus_error_invalid_args(
955 message, "Wrong Type value type. String required");
958 dbus_message_iter_get_basic(var, type);
963 static int wpas_dbus_get_scan_ssids(DBusMessage *message, DBusMessageIter *var,
964 struct wpa_driver_scan_params *params,
967 struct wpa_driver_scan_ssid *ssids = params->ssids;
968 size_t ssids_num = 0;
970 DBusMessageIter array_iter, sub_array_iter;
974 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
975 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
976 "must be an array of arrays of bytes");
977 *reply = wpas_dbus_error_invalid_args(
978 message, "Wrong SSIDs value type. Array of arrays of "
983 dbus_message_iter_recurse(var, &array_iter);
985 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
986 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
988 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ssids "
989 "must be an array of arrays of bytes");
990 *reply = wpas_dbus_error_invalid_args(
991 message, "Wrong SSIDs value type. Array of arrays of "
996 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
998 if (ssids_num >= WPAS_MAX_SCAN_SSIDS) {
999 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1000 "Too many ssids specified on scan dbus "
1002 *reply = wpas_dbus_error_invalid_args(
1003 message, "Too many ssids specified. Specify "
1008 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1010 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1013 ssid = os_malloc(len);
1015 wpa_printf(MSG_DEBUG,
1016 "wpas_dbus_handler_scan[dbus]: "
1017 "out of memory. Cannot allocate "
1019 *reply = dbus_message_new_error(
1020 message, DBUS_ERROR_NO_MEMORY, NULL);
1023 os_memcpy(ssid, val, len);
1025 /* Allow zero-length SSIDs */
1029 ssids[ssids_num].ssid = ssid;
1030 ssids[ssids_num].ssid_len = len;
1032 dbus_message_iter_next(&array_iter);
1036 params->num_ssids = ssids_num;
1041 static int wpas_dbus_get_scan_ies(DBusMessage *message, DBusMessageIter *var,
1042 struct wpa_driver_scan_params *params,
1043 DBusMessage **reply)
1045 u8 *ies = NULL, *nies;
1047 DBusMessageIter array_iter, sub_array_iter;
1051 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1052 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1053 "be an array of arrays of bytes");
1054 *reply = wpas_dbus_error_invalid_args(
1055 message, "Wrong IEs value type. Array of arrays of "
1060 dbus_message_iter_recurse(var, &array_iter);
1062 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_ARRAY ||
1063 dbus_message_iter_get_element_type(&array_iter) != DBUS_TYPE_BYTE)
1065 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: ies must "
1066 "be an array of arrays of bytes");
1067 *reply = wpas_dbus_error_invalid_args(
1068 message, "Wrong IEs value type. Array required");
1072 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_ARRAY)
1074 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1076 dbus_message_iter_get_fixed_array(&sub_array_iter, &val, &len);
1078 dbus_message_iter_next(&array_iter);
1082 nies = os_realloc(ies, ies_len + len);
1084 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1085 "out of memory. Cannot allocate memory for "
1088 *reply = dbus_message_new_error(
1089 message, DBUS_ERROR_NO_MEMORY, NULL);
1093 os_memcpy(ies + ies_len, val, len);
1096 dbus_message_iter_next(&array_iter);
1099 params->extra_ies = ies;
1100 params->extra_ies_len = ies_len;
1105 static int wpas_dbus_get_scan_channels(DBusMessage *message,
1106 DBusMessageIter *var,
1107 struct wpa_driver_scan_params *params,
1108 DBusMessage **reply)
1110 DBusMessageIter array_iter, sub_array_iter;
1111 int *freqs = NULL, *nfreqs;
1114 if (dbus_message_iter_get_arg_type(var) != DBUS_TYPE_ARRAY) {
1115 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1116 "Channels must be an array of structs");
1117 *reply = wpas_dbus_error_invalid_args(
1118 message, "Wrong Channels value type. Array of structs "
1123 dbus_message_iter_recurse(var, &array_iter);
1125 if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_STRUCT) {
1126 wpa_printf(MSG_DEBUG,
1127 "wpas_dbus_handler_scan[dbus]: Channels must be an "
1128 "array of structs");
1129 *reply = wpas_dbus_error_invalid_args(
1130 message, "Wrong Channels value type. Array of structs "
1135 while (dbus_message_iter_get_arg_type(&array_iter) == DBUS_TYPE_STRUCT)
1139 dbus_message_iter_recurse(&array_iter, &sub_array_iter);
1141 if (dbus_message_iter_get_arg_type(&sub_array_iter) !=
1143 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1144 "Channel must by specified by struct of "
1146 dbus_message_iter_get_arg_type(
1148 *reply = wpas_dbus_error_invalid_args(
1149 message, "Wrong Channel struct. Two UINT32s "
1154 dbus_message_iter_get_basic(&sub_array_iter, &freq);
1156 if (!dbus_message_iter_next(&sub_array_iter) ||
1157 dbus_message_iter_get_arg_type(&sub_array_iter) !=
1159 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1160 "Channel must by specified by struct of "
1162 *reply = wpas_dbus_error_invalid_args(
1164 "Wrong Channel struct. Two UINT32s required");
1169 dbus_message_iter_get_basic(&sub_array_iter, &width);
1171 #define FREQS_ALLOC_CHUNK 32
1172 if (freqs_num % FREQS_ALLOC_CHUNK == 0) {
1173 nfreqs = os_realloc(freqs, sizeof(int) *
1174 (freqs_num + FREQS_ALLOC_CHUNK));
1179 if (freqs == NULL) {
1180 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1181 "out of memory. can't allocate memory for "
1183 *reply = dbus_message_new_error(
1184 message, DBUS_ERROR_NO_MEMORY, NULL);
1188 freqs[freqs_num] = freq;
1191 dbus_message_iter_next(&array_iter);
1194 nfreqs = os_realloc(freqs,
1195 sizeof(int) * (freqs_num + 1));
1199 if (freqs == NULL) {
1200 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1201 "out of memory. Can't allocate memory for freqs");
1202 *reply = dbus_message_new_error(
1203 message, DBUS_ERROR_NO_MEMORY, NULL);
1206 freqs[freqs_num] = 0;
1208 params->freqs = freqs;
1214 * wpas_dbus_handler_scan - Request a wireless scan on an interface
1215 * @message: Pointer to incoming dbus message
1216 * @wpa_s: wpa_supplicant structure for a network interface
1217 * Returns: NULL indicating success or DBus error message on failure
1219 * Handler function for "Scan" method call of a network device. Requests
1220 * that wpa_supplicant perform a wireless scan as soon as possible
1221 * on a particular wireless interface.
1223 DBusMessage * wpas_dbus_handler_scan(DBusMessage *message,
1224 struct wpa_supplicant *wpa_s)
1226 DBusMessage *reply = NULL;
1227 DBusMessageIter iter, dict_iter, entry_iter, variant_iter;
1228 char *key = NULL, *type = NULL;
1229 struct wpa_driver_scan_params params;
1232 os_memset(¶ms, 0, sizeof(params));
1234 dbus_message_iter_init(message, &iter);
1236 dbus_message_iter_recurse(&iter, &dict_iter);
1238 while (dbus_message_iter_get_arg_type(&dict_iter) ==
1239 DBUS_TYPE_DICT_ENTRY) {
1240 dbus_message_iter_recurse(&dict_iter, &entry_iter);
1241 dbus_message_iter_get_basic(&entry_iter, &key);
1242 dbus_message_iter_next(&entry_iter);
1243 dbus_message_iter_recurse(&entry_iter, &variant_iter);
1245 if (os_strcmp(key, "Type") == 0) {
1246 if (wpas_dbus_get_scan_type(message, &variant_iter,
1249 } else if (os_strcmp(key, "SSIDs") == 0) {
1250 if (wpas_dbus_get_scan_ssids(message, &variant_iter,
1251 ¶ms, &reply) < 0)
1253 } else if (os_strcmp(key, "IEs") == 0) {
1254 if (wpas_dbus_get_scan_ies(message, &variant_iter,
1255 ¶ms, &reply) < 0)
1257 } else if (os_strcmp(key, "Channels") == 0) {
1258 if (wpas_dbus_get_scan_channels(message, &variant_iter,
1259 ¶ms, &reply) < 0)
1262 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1263 "Unknown argument %s", key);
1264 reply = wpas_dbus_error_invalid_args(message, key);
1268 dbus_message_iter_next(&dict_iter);
1272 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1273 "Scan type not specified");
1274 reply = wpas_dbus_error_invalid_args(message, key);
1278 if (!os_strcmp(type, "passive")) {
1279 if (params.num_ssids || params.extra_ies_len) {
1280 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1281 "SSIDs or IEs specified for passive scan.");
1282 reply = wpas_dbus_error_invalid_args(
1283 message, "You can specify only Channels in "
1286 } else if (params.freqs && params.freqs[0]) {
1287 wpa_supplicant_trigger_scan(wpa_s, ¶ms);
1289 wpa_s->scan_req = 2;
1290 wpa_supplicant_req_scan(wpa_s, 0, 0);
1292 } else if (!os_strcmp(type, "active")) {
1293 if (!params.num_ssids) {
1294 /* Add wildcard ssid */
1297 wpa_supplicant_trigger_scan(wpa_s, ¶ms);
1299 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_scan[dbus]: "
1300 "Unknown scan type: %s", type);
1301 reply = wpas_dbus_error_invalid_args(message,
1307 for (i = 0; i < WPAS_MAX_SCAN_SSIDS; i++)
1308 os_free((u8 *) params.ssids[i].ssid);
1309 os_free((u8 *) params.extra_ies);
1310 os_free(params.freqs);
1316 * wpas_dbus_handler_disconnect - Terminate the current connection
1317 * @message: Pointer to incoming dbus message
1318 * @wpa_s: wpa_supplicant structure for a network interface
1319 * Returns: NotConnected DBus error message if already not connected
1320 * or NULL otherwise.
1322 * Handler function for "Disconnect" method call of network interface.
1324 DBusMessage * wpas_dbus_handler_disconnect(DBusMessage *message,
1325 struct wpa_supplicant *wpa_s)
1327 if (wpa_s->current_ssid != NULL) {
1328 wpa_s->disconnected = 1;
1329 wpa_supplicant_deauthenticate(wpa_s,
1330 WLAN_REASON_DEAUTH_LEAVING);
1335 return dbus_message_new_error(message, WPAS_DBUS_ERROR_NOT_CONNECTED,
1336 "This interface is not connected");
1341 * wpas_dbus_new_iface_add_network - Add a new configured network
1342 * @message: Pointer to incoming dbus message
1343 * @wpa_s: wpa_supplicant structure for a network interface
1344 * Returns: A dbus message containing the object path of the new network
1346 * Handler function for "AddNetwork" method call of a network interface.
1348 DBusMessage * wpas_dbus_handler_add_network(DBusMessage *message,
1349 struct wpa_supplicant *wpa_s)
1351 DBusMessage *reply = NULL;
1352 DBusMessageIter iter;
1353 struct wpa_ssid *ssid = NULL;
1354 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
1356 dbus_message_iter_init(message, &iter);
1358 ssid = wpa_config_add_network(wpa_s->conf);
1360 wpa_printf(MSG_ERROR, "wpas_dbus_handler_add_network[dbus]: "
1361 "can't add new interface.");
1362 reply = wpas_dbus_error_unknown_error(
1364 "wpa_supplicant could not add "
1365 "a network on this interface.");
1368 wpas_notify_network_added(wpa_s, ssid);
1370 wpa_config_set_network_defaults(ssid);
1372 reply = set_network_properties(message, wpa_s, ssid, &iter);
1374 wpa_printf(MSG_DEBUG, "wpas_dbus_handler_add_network[dbus]:"
1375 "control interface couldn't set network "
1380 /* Construct the object path for this network. */
1381 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1382 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
1383 wpa_s->dbus_new_path, ssid->id);
1385 reply = dbus_message_new_method_return(message);
1386 if (reply == NULL) {
1387 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1391 if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1392 DBUS_TYPE_INVALID)) {
1393 dbus_message_unref(reply);
1394 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1403 wpas_notify_network_removed(wpa_s, ssid);
1404 wpa_config_remove_network(wpa_s->conf, ssid->id);
1411 * wpas_dbus_handler_remove_network - Remove a configured network
1412 * @message: Pointer to incoming dbus message
1413 * @wpa_s: wpa_supplicant structure for a network interface
1414 * Returns: NULL on success or dbus error on failure
1416 * Handler function for "RemoveNetwork" method call of a network interface.
1418 DBusMessage * wpas_dbus_handler_remove_network(DBusMessage *message,
1419 struct wpa_supplicant *wpa_s)
1421 DBusMessage *reply = NULL;
1423 char *iface = NULL, *net_id = NULL;
1425 struct wpa_ssid *ssid;
1427 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1430 /* Extract the network ID and ensure the network */
1431 /* is actually a child of this interface */
1432 iface = wpas_dbus_new_decompose_object_path(op, &net_id, NULL);
1433 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1434 reply = wpas_dbus_error_invalid_args(message, op);
1438 id = strtoul(net_id, NULL, 10);
1439 if (errno == EINVAL) {
1440 reply = wpas_dbus_error_invalid_args(message, op);
1444 ssid = wpa_config_get_network(wpa_s->conf, id);
1446 reply = wpas_dbus_error_network_unknown(message);
1450 wpas_notify_network_removed(wpa_s, ssid);
1452 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1453 wpa_printf(MSG_ERROR,
1454 "wpas_dbus_handler_remove_network[dbus]: "
1455 "error occurred when removing network %d", id);
1456 reply = wpas_dbus_error_unknown_error(
1457 message, "error removing the specified network on "
1462 if (ssid == wpa_s->current_ssid)
1463 wpa_supplicant_deauthenticate(wpa_s,
1464 WLAN_REASON_DEAUTH_LEAVING);
1473 static void remove_network(void *arg, struct wpa_ssid *ssid)
1475 struct wpa_supplicant *wpa_s = arg;
1477 wpas_notify_network_removed(wpa_s, ssid);
1479 if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1480 wpa_printf(MSG_ERROR,
1481 "wpas_dbus_handler_remove_all_networks[dbus]: "
1482 "error occurred when removing network %d",
1487 if (ssid == wpa_s->current_ssid)
1488 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1493 * wpas_dbus_handler_remove_all_networks - Remove all configured networks
1494 * @message: Pointer to incoming dbus message
1495 * @wpa_s: wpa_supplicant structure for a network interface
1496 * Returns: NULL on success or dbus error on failure
1498 * Handler function for "RemoveAllNetworks" method call of a network interface.
1500 DBusMessage * wpas_dbus_handler_remove_all_networks(
1501 DBusMessage *message, struct wpa_supplicant *wpa_s)
1503 /* NB: could check for failure and return an error */
1504 wpa_config_foreach_network(wpa_s->conf, remove_network, wpa_s);
1510 * wpas_dbus_handler_select_network - Attempt association with a network
1511 * @message: Pointer to incoming dbus message
1512 * @wpa_s: wpa_supplicant structure for a network interface
1513 * Returns: NULL on success or dbus error on failure
1515 * Handler function for "SelectNetwork" method call of network interface.
1517 DBusMessage * wpas_dbus_handler_select_network(DBusMessage *message,
1518 struct wpa_supplicant *wpa_s)
1520 DBusMessage *reply = NULL;
1522 char *iface = NULL, *net_id = NULL;
1524 struct wpa_ssid *ssid;
1526 dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1529 /* Extract the network ID and ensure the network */
1530 /* is actually a child of this interface */
1531 iface = wpas_dbus_new_decompose_object_path(op, &net_id, NULL);
1532 if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1533 reply = wpas_dbus_error_invalid_args(message, op);
1537 id = strtoul(net_id, NULL, 10);
1538 if (errno == EINVAL) {
1539 reply = wpas_dbus_error_invalid_args(message, op);
1543 ssid = wpa_config_get_network(wpa_s->conf, id);
1545 reply = wpas_dbus_error_network_unknown(message);
1549 /* Finally, associate with the network */
1550 wpa_supplicant_select_network(wpa_s, ssid);
1560 * wpas_dbus_handler_add_blob - Store named binary blob (ie, for certificates)
1561 * @message: Pointer to incoming dbus message
1562 * @wpa_s: %wpa_supplicant data structure
1563 * Returns: A dbus message containing an error on failure or NULL on success
1565 * Asks wpa_supplicant to internally store a binary blobs.
1567 DBusMessage * wpas_dbus_handler_add_blob(DBusMessage *message,
1568 struct wpa_supplicant *wpa_s)
1570 DBusMessage *reply = NULL;
1571 DBusMessageIter iter, array_iter;
1576 struct wpa_config_blob *blob = NULL;
1578 dbus_message_iter_init(message, &iter);
1579 dbus_message_iter_get_basic(&iter, &blob_name);
1581 if (wpa_config_get_blob(wpa_s->conf, blob_name)) {
1582 return dbus_message_new_error(message,
1583 WPAS_DBUS_ERROR_BLOB_EXISTS,
1587 dbus_message_iter_next(&iter);
1588 dbus_message_iter_recurse(&iter, &array_iter);
1590 dbus_message_iter_get_fixed_array(&array_iter, &blob_data, &blob_len);
1592 blob = os_zalloc(sizeof(*blob));
1594 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1599 blob->data = os_malloc(blob_len);
1601 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1605 os_memcpy(blob->data, blob_data, blob_len);
1607 blob->len = blob_len;
1608 blob->name = os_strdup(blob_name);
1610 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1615 wpa_config_set_blob(wpa_s->conf, blob);
1616 wpas_notify_blob_added(wpa_s, blob->name);
1622 os_free(blob->name);
1623 os_free(blob->data);
1631 * wpas_dbus_handler_get_blob - Get named binary blob (ie, for certificates)
1632 * @message: Pointer to incoming dbus message
1633 * @wpa_s: %wpa_supplicant data structure
1634 * Returns: A dbus message containing array of bytes (blob)
1636 * Gets one wpa_supplicant's binary blobs.
1638 DBusMessage * wpas_dbus_handler_get_blob(DBusMessage *message,
1639 struct wpa_supplicant *wpa_s)
1641 DBusMessage *reply = NULL;
1642 DBusMessageIter iter, array_iter;
1645 const struct wpa_config_blob *blob;
1647 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1650 blob = wpa_config_get_blob(wpa_s->conf, blob_name);
1652 return dbus_message_new_error(message,
1653 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1657 reply = dbus_message_new_method_return(message);
1659 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1664 dbus_message_iter_init_append(reply, &iter);
1666 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
1667 DBUS_TYPE_BYTE_AS_STRING,
1669 dbus_message_unref(reply);
1670 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1675 if (!dbus_message_iter_append_fixed_array(&array_iter, DBUS_TYPE_BYTE,
1676 &(blob->data), blob->len)) {
1677 dbus_message_unref(reply);
1678 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1683 if (!dbus_message_iter_close_container(&iter, &array_iter)) {
1684 dbus_message_unref(reply);
1685 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1696 * wpas_remove_handler_remove_blob - Remove named binary blob
1697 * @message: Pointer to incoming dbus message
1698 * @wpa_s: %wpa_supplicant data structure
1699 * Returns: NULL on success or dbus error
1701 * Asks wpa_supplicant to internally remove a binary blobs.
1703 DBusMessage * wpas_dbus_handler_remove_blob(DBusMessage *message,
1704 struct wpa_supplicant *wpa_s)
1706 DBusMessage *reply = NULL;
1709 dbus_message_get_args(message, NULL, DBUS_TYPE_STRING, &blob_name,
1712 if (wpa_config_remove_blob(wpa_s->conf, blob_name)) {
1713 return dbus_message_new_error(message,
1714 WPAS_DBUS_ERROR_BLOB_UNKNOWN,
1717 wpas_notify_blob_removed(wpa_s, blob_name);
1724 * wpas_dbus_handler_flush_bss - Flush the BSS cache
1725 * @message: Pointer to incoming dbus message
1726 * @wpa_s: wpa_supplicant structure for a network interface
1729 * Handler function for "FlushBSS" method call of network interface.
1731 DBusMessage * wpas_dbus_handler_flush_bss(DBusMessage *message,
1732 struct wpa_supplicant *wpa_s)
1736 dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &age,
1740 wpa_bss_flush(wpa_s);
1742 wpa_bss_flush_by_age(wpa_s, age);
1749 * wpas_dbus_getter_capabilities - Return interface capabilities
1750 * @message: Pointer to incoming dbus message
1751 * @wpa_s: wpa_supplicant structure for a network interface
1752 * Returns: A dbus message containing a dict of strings
1754 * Getter for "Capabilities" property of an interface.
1756 DBusMessage * wpas_dbus_getter_capabilities(DBusMessage *message,
1757 struct wpa_supplicant *wpa_s)
1759 DBusMessage *reply = NULL;
1760 struct wpa_driver_capa capa;
1762 DBusMessageIter iter, iter_dict;
1763 DBusMessageIter iter_dict_entry, iter_dict_val, iter_array,
1765 const char *scans[] = { "active", "passive", "ssid" };
1766 const char *modes[] = { "infrastructure", "ad-hoc", "ap" };
1767 int n = sizeof(modes) / sizeof(char *);
1769 if (message == NULL)
1770 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
1772 reply = dbus_message_new_method_return(message);
1776 dbus_message_iter_init_append(reply, &iter);
1777 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
1778 "a{sv}", &variant_iter))
1781 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
1784 res = wpa_drv_get_capa(wpa_s, &capa);
1786 /***** pairwise cipher */
1788 const char *args[] = {"ccmp", "tkip", "none"};
1789 if (!wpa_dbus_dict_append_string_array(
1790 &iter_dict, "Pairwise", args,
1791 sizeof(args) / sizeof(char*)))
1794 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Pairwise",
1800 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1801 if (!wpa_dbus_dict_string_array_add_element(
1802 &iter_array, "ccmp"))
1806 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1807 if (!wpa_dbus_dict_string_array_add_element(
1808 &iter_array, "tkip"))
1812 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1813 if (!wpa_dbus_dict_string_array_add_element(
1814 &iter_array, "none"))
1818 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1825 /***** group cipher */
1827 const char *args[] = {
1828 "ccmp", "tkip", "wep104", "wep40"
1830 if (!wpa_dbus_dict_append_string_array(
1831 &iter_dict, "Group", args,
1832 sizeof(args) / sizeof(char*)))
1835 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Group",
1841 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
1842 if (!wpa_dbus_dict_string_array_add_element(
1843 &iter_array, "ccmp"))
1847 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
1848 if (!wpa_dbus_dict_string_array_add_element(
1849 &iter_array, "tkip"))
1853 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
1854 if (!wpa_dbus_dict_string_array_add_element(
1855 &iter_array, "wep104"))
1859 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
1860 if (!wpa_dbus_dict_string_array_add_element(
1861 &iter_array, "wep40"))
1865 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1872 /***** key management */
1874 const char *args[] = {
1875 "wpa-psk", "wpa-eap", "ieee8021x", "wpa-none",
1878 #endif /* CONFIG_WPS */
1881 if (!wpa_dbus_dict_append_string_array(
1882 &iter_dict, "KeyMgmt", args,
1883 sizeof(args) / sizeof(char*)))
1886 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "KeyMgmt",
1892 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
1896 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
1900 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1901 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
1902 if (!wpa_dbus_dict_string_array_add_element(
1903 &iter_array, "wpa-eap"))
1906 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT)
1907 if (!wpa_dbus_dict_string_array_add_element(
1908 &iter_array, "wpa-ft-eap"))
1911 /* TODO: Ensure that driver actually supports sha256 encryption. */
1912 #ifdef CONFIG_IEEE80211W
1913 if (!wpa_dbus_dict_string_array_add_element(
1914 &iter_array, "wpa-eap-sha256"))
1916 #endif /* CONFIG_IEEE80211W */
1919 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
1920 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1921 if (!wpa_dbus_dict_string_array_add_element(
1922 &iter_array, "wpa-psk"))
1925 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK)
1926 if (!wpa_dbus_dict_string_array_add_element(
1927 &iter_array, "wpa-ft-psk"))
1930 /* TODO: Ensure that driver actually supports sha256 encryption. */
1931 #ifdef CONFIG_IEEE80211W
1932 if (!wpa_dbus_dict_string_array_add_element(
1933 &iter_array, "wpa-psk-sha256"))
1935 #endif /* CONFIG_IEEE80211W */
1938 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
1939 if (!wpa_dbus_dict_string_array_add_element(
1940 &iter_array, "wpa-none"))
1946 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
1949 #endif /* CONFIG_WPS */
1951 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1958 /***** WPA protocol */
1960 const char *args[] = { "rsn", "wpa" };
1961 if (!wpa_dbus_dict_append_string_array(
1962 &iter_dict, "Protocol", args,
1963 sizeof(args) / sizeof(char*)))
1966 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "Protocol",
1972 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1973 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
1974 if (!wpa_dbus_dict_string_array_add_element(
1975 &iter_array, "rsn"))
1979 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1980 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
1981 if (!wpa_dbus_dict_string_array_add_element(
1982 &iter_array, "wpa"))
1986 if (!wpa_dbus_dict_end_string_array(&iter_dict,
1995 const char *args[] = { "open", "shared", "leap" };
1996 if (!wpa_dbus_dict_append_string_array(
1997 &iter_dict, "AuthAlg", args,
1998 sizeof(args) / sizeof(char*)))
2001 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "AuthAlg",
2007 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
2008 if (!wpa_dbus_dict_string_array_add_element(
2009 &iter_array, "open"))
2013 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
2014 if (!wpa_dbus_dict_string_array_add_element(
2015 &iter_array, "shared"))
2019 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
2020 if (!wpa_dbus_dict_string_array_add_element(
2021 &iter_array, "leap"))
2025 if (!wpa_dbus_dict_end_string_array(&iter_dict,
2033 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Scan", scans,
2034 sizeof(scans) / sizeof(char *)))
2038 if (res < 0 || !(capa.flags & WPA_DRIVER_FLAGS_AP))
2039 n--; /* exclude ap mode if it is not supported by the driver */
2040 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Modes", modes, n))
2043 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2045 if (!dbus_message_iter_close_container(&iter, &variant_iter))
2052 dbus_message_unref(reply);
2054 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL);
2059 * wpas_dbus_getter_state - Get interface state
2060 * @message: Pointer to incoming dbus message
2061 * @wpa_s: wpa_supplicant structure for a network interface
2062 * Returns: A dbus message containing a STRING representing the current
2065 * Getter for "State" property.
2067 DBusMessage * wpas_dbus_getter_state(DBusMessage *message,
2068 struct wpa_supplicant *wpa_s)
2070 DBusMessage *reply = NULL;
2071 const char *str_state;
2072 char *state_ls, *tmp;
2074 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
2076 /* make state string lowercase to fit new DBus API convention
2078 state_ls = tmp = os_strdup(str_state);
2080 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2084 *tmp = tolower(*tmp);
2088 reply = wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2098 * wpas_dbus_new_iface_get_scanning - Get interface scanning state
2099 * @message: Pointer to incoming dbus message
2100 * @wpa_s: wpa_supplicant structure for a network interface
2101 * Returns: A dbus message containing whether the interface is scanning
2103 * Getter for "scanning" property.
2105 DBusMessage * wpas_dbus_getter_scanning(DBusMessage *message,
2106 struct wpa_supplicant *wpa_s)
2108 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
2109 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
2115 * wpas_dbus_getter_ap_scan - Control roaming mode
2116 * @message: Pointer to incoming dbus message
2117 * @wpa_s: wpa_supplicant structure for a network interface
2118 * Returns: A message containong value of ap_scan variable
2120 * Getter function for "ApScan" property.
2122 DBusMessage * wpas_dbus_getter_ap_scan(DBusMessage *message,
2123 struct wpa_supplicant *wpa_s)
2125 dbus_uint32_t ap_scan = wpa_s->conf->ap_scan;
2126 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT32,
2132 * wpas_dbus_setter_ap_scan - Control roaming mode
2133 * @message: Pointer to incoming dbus message
2134 * @wpa_s: wpa_supplicant structure for a network interface
2137 * Setter function for "ApScan" property.
2139 DBusMessage * wpas_dbus_setter_ap_scan(DBusMessage *message,
2140 struct wpa_supplicant *wpa_s)
2142 DBusMessage *reply = NULL;
2143 dbus_uint32_t ap_scan;
2145 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_UINT32,
2150 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
2151 return wpas_dbus_error_invalid_args(
2152 message, "ap_scan must equal 0, 1 or 2");
2159 * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
2160 * @message: Pointer to incoming dbus message
2161 * @wpa_s: wpa_supplicant structure for a network interface
2162 * Returns: A message containing value of bss_expiration_age variable
2164 * Getter function for "BSSExpireAge" property.
2166 DBusMessage * wpas_dbus_getter_bss_expire_age(DBusMessage *message,
2167 struct wpa_supplicant *wpa_s)
2169 dbus_uint32_t expire_age = wpa_s->conf->bss_expiration_age;
2170 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT32,
2176 * wpas_dbus_setter_bss_expire_age - Control BSS entry expiration age
2177 * @message: Pointer to incoming dbus message
2178 * @wpa_s: wpa_supplicant structure for a network interface
2181 * Setter function for "BSSExpireAge" property.
2183 DBusMessage * wpas_dbus_setter_bss_expire_age(DBusMessage *message,
2184 struct wpa_supplicant *wpa_s)
2186 DBusMessage *reply = NULL;
2187 dbus_uint32_t expire_age;
2189 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_UINT32,
2194 if (wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age)) {
2195 return wpas_dbus_error_invalid_args(
2196 message, "BSSExpireAge must be >=10");
2203 * wpas_dbus_getter_bss_expire_count - Get BSS entry expiration scan count
2204 * @message: Pointer to incoming dbus message
2205 * @wpa_s: wpa_supplicant structure for a network interface
2206 * Returns: A message containing value of bss_expire_count variable
2208 * Getter function for "BSSExpireCount" property.
2210 DBusMessage * wpas_dbus_getter_bss_expire_count(DBusMessage *message,
2211 struct wpa_supplicant *wpa_s)
2213 dbus_uint32_t expire_count = wpa_s->conf->bss_expiration_age;
2214 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT32,
2220 * wpas_dbus_setter_bss_expire_count - Control BSS entry expiration scan count
2221 * @message: Pointer to incoming dbus message
2222 * @wpa_s: wpa_supplicant structure for a network interface
2225 * Setter function for "BSSExpireCount" property.
2227 DBusMessage * wpas_dbus_setter_bss_expire_count(DBusMessage *message,
2228 struct wpa_supplicant *wpa_s)
2230 DBusMessage *reply = NULL;
2231 dbus_uint32_t expire_count;
2233 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_UINT32,
2238 if (wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count)) {
2239 return wpas_dbus_error_invalid_args(
2240 message, "BSSExpireCount must be >0");
2247 * wpas_dbus_getter_country - Control country code
2248 * @message: Pointer to incoming dbus message
2249 * @wpa_s: wpa_supplicant structure for a network interface
2250 * Returns: A message containong value of country variable
2252 * Getter function for "Country" property.
2254 DBusMessage * wpas_dbus_getter_country(DBusMessage *message,
2255 struct wpa_supplicant *wpa_s)
2258 char *str = country;
2260 country[0] = wpa_s->conf->country[0];
2261 country[1] = wpa_s->conf->country[1];
2264 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2270 * wpas_dbus_setter_country - Control country code
2271 * @message: Pointer to incoming dbus message
2272 * @wpa_s: wpa_supplicant structure for a network interface
2275 * Setter function for "Country" property.
2277 DBusMessage * wpas_dbus_setter_country(DBusMessage *message,
2278 struct wpa_supplicant *wpa_s)
2280 DBusMessage *reply = NULL;
2281 const char *country;
2283 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_STRING,
2288 if (!country[0] || !country[1])
2289 return wpas_dbus_error_invalid_args(message,
2290 "invalid country code");
2292 if (wpa_s->drv_priv != NULL && wpa_drv_set_country(wpa_s, country)) {
2293 wpa_printf(MSG_DEBUG, "Failed to set country");
2294 return wpas_dbus_error_invalid_args(
2295 message, "failed to set country code");
2298 wpa_s->conf->country[0] = country[0];
2299 wpa_s->conf->country[1] = country[1];
2305 * wpas_dbus_getter_ifname - Get interface name
2306 * @message: Pointer to incoming dbus message
2307 * @wpa_s: wpa_supplicant structure for a network interface
2308 * Returns: A dbus message containing a name of network interface
2309 * associated with with wpa_s
2311 * Getter for "Ifname" property.
2313 DBusMessage * wpas_dbus_getter_ifname(DBusMessage *message,
2314 struct wpa_supplicant *wpa_s)
2316 const char *ifname = wpa_s->ifname;
2317 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2323 * wpas_dbus_getter_driver - Get interface name
2324 * @message: Pointer to incoming dbus message
2325 * @wpa_s: wpa_supplicant structure for a network interface
2326 * Returns: A dbus message containing a name of network interface
2327 * driver associated with with wpa_s
2329 * Getter for "Driver" property.
2331 DBusMessage * wpas_dbus_getter_driver(DBusMessage *message,
2332 struct wpa_supplicant *wpa_s)
2336 if (wpa_s->driver == NULL || wpa_s->driver->name == NULL) {
2337 wpa_printf(MSG_DEBUG, "wpas_dbus_getter_driver[dbus]: "
2338 "wpa_s has no driver set");
2339 return wpas_dbus_error_unknown_error(message, NULL);
2342 driver = wpa_s->driver->name;
2343 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2349 * wpas_dbus_getter_current_bss - Get current bss object path
2350 * @message: Pointer to incoming dbus message
2351 * @wpa_s: wpa_supplicant structure for a network interface
2352 * Returns: A dbus message containing a DBus object path to
2355 * Getter for "CurrentBSS" property.
2357 DBusMessage * wpas_dbus_getter_current_bss(DBusMessage *message,
2358 struct wpa_supplicant *wpa_s)
2361 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *bss_obj_path = path_buf;
2363 if (wpa_s->current_bss)
2364 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2365 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2366 wpa_s->dbus_new_path, wpa_s->current_bss->id);
2368 os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2370 reply = wpas_dbus_simple_property_getter(message,
2371 DBUS_TYPE_OBJECT_PATH,
2379 * wpas_dbus_getter_current_network - Get current network object path
2380 * @message: Pointer to incoming dbus message
2381 * @wpa_s: wpa_supplicant structure for a network interface
2382 * Returns: A dbus message containing a DBus object path to
2385 * Getter for "CurrentNetwork" property.
2387 DBusMessage * wpas_dbus_getter_current_network(DBusMessage *message,
2388 struct wpa_supplicant *wpa_s)
2391 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *net_obj_path = path_buf;
2393 if (wpa_s->current_ssid)
2394 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
2395 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
2396 wpa_s->dbus_new_path, wpa_s->current_ssid->id);
2398 os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
2400 reply = wpas_dbus_simple_property_getter(message,
2401 DBUS_TYPE_OBJECT_PATH,
2409 * wpas_dbus_getter_current_auth_mode - Get current authentication type
2410 * @message: Pointer to incoming dbus message
2411 * @wpa_s: wpa_supplicant structure for a network interface
2412 * Returns: A dbus message containing a string indicating the current
2413 * authentication type.
2415 * Getter for "CurrentAuthMode" property.
2417 DBusMessage * wpas_dbus_getter_current_auth_mode(DBusMessage *message,
2418 struct wpa_supplicant *wpa_s)
2421 const char *eap_mode;
2422 const char *auth_mode;
2423 char eap_mode_buf[WPAS_DBUS_AUTH_MODE_MAX];
2425 if (wpa_s->wpa_state != WPA_COMPLETED) {
2426 auth_mode = "INACTIVE";
2427 } else if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
2428 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2429 eap_mode = wpa_supplicant_get_eap_mode(wpa_s);
2430 os_snprintf(eap_mode_buf, WPAS_DBUS_AUTH_MODE_MAX,
2431 "EAP-%s", eap_mode);
2432 auth_mode = eap_mode_buf;
2435 auth_mode = wpa_key_mgmt_txt(wpa_s->key_mgmt,
2436 wpa_s->current_ssid->proto);
2439 reply = wpas_dbus_simple_property_getter(message,
2448 * wpas_dbus_getter_bridge_ifname - Get interface name
2449 * @message: Pointer to incoming dbus message
2450 * @wpa_s: wpa_supplicant structure for a network interface
2451 * Returns: A dbus message containing a name of bridge network
2452 * interface associated with with wpa_s
2454 * Getter for "BridgeIfname" property.
2456 DBusMessage * wpas_dbus_getter_bridge_ifname(DBusMessage *message,
2457 struct wpa_supplicant *wpa_s)
2459 const char *bridge_ifname = NULL;
2461 bridge_ifname = wpa_s->bridge_ifname;
2462 if (bridge_ifname == NULL) {
2463 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bridge_ifname[dbus]: "
2464 "wpa_s has no bridge interface name set");
2465 return wpas_dbus_error_unknown_error(message, NULL);
2468 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2474 * wpas_dbus_getter_bsss - Get array of BSSs objects
2475 * @message: Pointer to incoming dbus message
2476 * @wpa_s: wpa_supplicant structure for a network interface
2477 * Returns: a dbus message containing an array of all known BSS objects
2480 * Getter for "BSSs" property.
2482 DBusMessage * wpas_dbus_getter_bsss(DBusMessage *message,
2483 struct wpa_supplicant *wpa_s)
2485 DBusMessage *reply = NULL;
2486 struct wpa_bss *bss;
2490 paths = os_zalloc(wpa_s->num_bss * sizeof(char *));
2492 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2496 /* Loop through scan results and append each result's object path */
2497 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2498 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2499 if (paths[i] == NULL) {
2500 reply = dbus_message_new_error(message,
2501 DBUS_ERROR_NO_MEMORY,
2505 /* Construct the object path for this BSS. */
2506 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2507 "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
2508 wpa_s->dbus_new_path, bss->id);
2511 reply = wpas_dbus_simple_array_property_getter(message,
2512 DBUS_TYPE_OBJECT_PATH,
2513 paths, wpa_s->num_bss);
2517 os_free(paths[--i]);
2524 * wpas_dbus_getter_networks - Get array of networks objects
2525 * @message: Pointer to incoming dbus message
2526 * @wpa_s: wpa_supplicant structure for a network interface
2527 * Returns: a dbus message containing an array of all configured
2528 * networks dbus object paths.
2530 * Getter for "Networks" property.
2532 DBusMessage * wpas_dbus_getter_networks(DBusMessage *message,
2533 struct wpa_supplicant *wpa_s)
2535 DBusMessage *reply = NULL;
2536 struct wpa_ssid *ssid;
2538 unsigned int i = 0, num = 0;
2540 if (wpa_s->conf == NULL) {
2541 wpa_printf(MSG_ERROR, "wpas_dbus_getter_networks[dbus]: "
2542 "An error occurred getting networks list.");
2543 return wpas_dbus_error_unknown_error(message, NULL);
2546 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
2549 paths = os_zalloc(num * sizeof(char *));
2551 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2555 /* Loop through configured networks and append object path of each */
2556 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
2557 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
2558 if (paths[i] == NULL) {
2559 reply = dbus_message_new_error(message,
2560 DBUS_ERROR_NO_MEMORY,
2565 /* Construct the object path for this network. */
2566 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
2567 "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
2568 wpa_s->dbus_new_path, ssid->id);
2571 reply = wpas_dbus_simple_array_property_getter(message,
2572 DBUS_TYPE_OBJECT_PATH,
2577 os_free(paths[--i]);
2584 * wpas_dbus_getter_blobs - Get all blobs defined for this interface
2585 * @message: Pointer to incoming dbus message
2586 * @wpa_s: wpa_supplicant structure for a network interface
2587 * Returns: a dbus message containing a dictionary of pairs (blob_name, blob)
2589 * Getter for "Blobs" property.
2591 DBusMessage * wpas_dbus_getter_blobs(DBusMessage *message,
2592 struct wpa_supplicant *wpa_s)
2594 DBusMessage *reply = NULL;
2595 DBusMessageIter iter, variant_iter, dict_iter, entry_iter, array_iter;
2596 struct wpa_config_blob *blob;
2598 if (message == NULL)
2599 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
2601 reply = dbus_message_new_method_return(message);
2603 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2606 dbus_message_iter_init_append(reply, &iter);
2608 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
2609 "a{say}", &variant_iter) ||
2610 !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
2611 "{say}", &dict_iter)) {
2612 dbus_message_unref(reply);
2613 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2617 blob = wpa_s->conf->blobs;
2619 if (!dbus_message_iter_open_container(&dict_iter,
2620 DBUS_TYPE_DICT_ENTRY,
2621 NULL, &entry_iter) ||
2622 !dbus_message_iter_append_basic(&entry_iter,
2625 !dbus_message_iter_open_container(&entry_iter,
2627 DBUS_TYPE_BYTE_AS_STRING,
2629 !dbus_message_iter_append_fixed_array(&array_iter,
2633 !dbus_message_iter_close_container(&entry_iter,
2635 !dbus_message_iter_close_container(&dict_iter,
2637 dbus_message_unref(reply);
2638 return dbus_message_new_error(message,
2639 DBUS_ERROR_NO_MEMORY,
2646 if (!dbus_message_iter_close_container(&variant_iter, &dict_iter) ||
2647 !dbus_message_iter_close_container(&iter, &variant_iter)) {
2648 dbus_message_unref(reply);
2649 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2658 * wpas_dbus_getter_bss_bssid - Return the BSSID of a BSS
2659 * @message: Pointer to incoming dbus message
2660 * @bss: a pair of interface describing structure and bss's id
2661 * Returns: a dbus message containing the bssid for the requested bss
2663 * Getter for "BSSID" property.
2665 DBusMessage * wpas_dbus_getter_bss_bssid(DBusMessage *message,
2666 struct bss_handler_args *bss)
2668 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2671 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_bssid[dbus]: no "
2672 "bss with id %d found", bss->id);
2676 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2677 res->bssid, ETH_ALEN);
2682 * wpas_dbus_getter_bss_ssid - Return the SSID of a BSS
2683 * @message: Pointer to incoming dbus message
2684 * @bss: a pair of interface describing structure and bss's id
2685 * Returns: a dbus message containing the ssid for the requested bss
2687 * Getter for "SSID" property.
2689 DBusMessage * wpas_dbus_getter_bss_ssid(DBusMessage *message,
2690 struct bss_handler_args *bss)
2692 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2695 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_ssid[dbus]: no "
2696 "bss with id %d found", bss->id);
2700 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
2707 * wpas_dbus_getter_bss_privacy - Return the privacy flag of a BSS
2708 * @message: Pointer to incoming dbus message
2709 * @bss: a pair of interface describing structure and bss's id
2710 * Returns: a dbus message containing the privacy flag value of requested bss
2712 * Getter for "Privacy" property.
2714 DBusMessage * wpas_dbus_getter_bss_privacy(DBusMessage *message,
2715 struct bss_handler_args *bss)
2717 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2718 dbus_bool_t privacy;
2721 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_privacy[dbus]: no "
2722 "bss with id %d found", bss->id);
2726 privacy = (res->caps & IEEE80211_CAP_PRIVACY) ? TRUE : FALSE;
2727 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
2733 * wpas_dbus_getter_bss_mode - Return the mode of a BSS
2734 * @message: Pointer to incoming dbus message
2735 * @bss: a pair of interface describing structure and bss's id
2736 * Returns: a dbus message containing the mode of requested bss
2738 * Getter for "Mode" property.
2740 DBusMessage * wpas_dbus_getter_bss_mode(DBusMessage *message,
2741 struct bss_handler_args *bss)
2743 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2747 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_mode[dbus]: no "
2748 "bss with id %d found", bss->id);
2752 if (res->caps & IEEE80211_CAP_IBSS)
2755 mode = "infrastructure";
2757 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_STRING,
2763 * wpas_dbus_getter_bss_level - Return the signal strength of a BSS
2764 * @message: Pointer to incoming dbus message
2765 * @bss: a pair of interface describing structure and bss's id
2766 * Returns: a dbus message containing the signal strength of requested bss
2768 * Getter for "Level" property.
2770 DBusMessage * wpas_dbus_getter_bss_signal(DBusMessage *message,
2771 struct bss_handler_args *bss)
2773 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2776 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_signal[dbus]: no "
2777 "bss with id %d found", bss->id);
2781 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_INT16,
2787 * wpas_dbus_getter_bss_frequency - Return the frequency of a BSS
2788 * @message: Pointer to incoming dbus message
2789 * @bss: a pair of interface describing structure and bss's id
2790 * Returns: a dbus message containing the frequency of requested bss
2792 * Getter for "Frequency" property.
2794 DBusMessage * wpas_dbus_getter_bss_frequency(DBusMessage *message,
2795 struct bss_handler_args *bss)
2797 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2800 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_frequency[dbus]: "
2801 "no bss with id %d found", bss->id);
2805 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_UINT16,
2810 static int cmp_u8s_desc(const void *a, const void *b)
2812 return (*(u8 *) b - *(u8 *) a);
2817 * wpas_dbus_getter_bss_rates - Return available bit rates of a BSS
2818 * @message: Pointer to incoming dbus message
2819 * @bss: a pair of interface describing structure and bss's id
2820 * Returns: a dbus message containing sorted array of bit rates
2822 * Getter for "Rates" property.
2824 DBusMessage * wpas_dbus_getter_bss_rates(DBusMessage *message,
2825 struct bss_handler_args *bss)
2828 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2829 u8 *ie_rates = NULL;
2834 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_rates[dbus]: "
2835 "no bss with id %d found", bss->id);
2839 rates_num = wpa_bss_get_bit_rates(res, &ie_rates);
2843 qsort(ie_rates, rates_num, 1, cmp_u8s_desc);
2845 real_rates = os_malloc(sizeof(u32) * rates_num);
2848 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
2852 for (i = 0; i < rates_num; i++)
2853 real_rates[i] = ie_rates[i] * 500000;
2855 reply = wpas_dbus_simple_array_property_getter(message,
2857 real_rates, rates_num);
2860 os_free(real_rates);
2865 static DBusMessage * wpas_dbus_get_bss_security_prop(
2866 DBusMessage *message, struct wpa_ie_data *ie_data)
2869 DBusMessageIter iter, iter_dict, variant_iter;
2871 const char *pairwise[2]; /* max 2 pairwise ciphers is supported */
2872 const char *key_mgmt[7]; /* max 7 key managements may be supported */
2875 if (message == NULL)
2876 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
2878 reply = dbus_message_new_method_return(message);
2882 dbus_message_iter_init_append(reply, &iter);
2883 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
2884 "a{sv}", &variant_iter))
2887 if (!wpa_dbus_dict_open_write(&variant_iter, &iter_dict))
2892 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK)
2893 key_mgmt[n++] = "wpa-psk";
2894 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_PSK)
2895 key_mgmt[n++] = "wpa-ft-psk";
2896 if (ie_data->key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
2897 key_mgmt[n++] = "wpa-psk-sha256";
2898 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X)
2899 key_mgmt[n++] = "wpa-eap";
2900 if (ie_data->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
2901 key_mgmt[n++] = "wpa-ft-eap";
2902 if (ie_data->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
2903 key_mgmt[n++] = "wpa-eap-sha256";
2904 if (ie_data->key_mgmt & WPA_KEY_MGMT_NONE)
2905 key_mgmt[n++] = "wpa-none";
2907 if (!wpa_dbus_dict_append_string_array(&iter_dict, "KeyMgmt",
2912 switch (ie_data->group_cipher) {
2913 case WPA_CIPHER_WEP40:
2916 case WPA_CIPHER_TKIP:
2919 case WPA_CIPHER_CCMP:
2922 case WPA_CIPHER_WEP104:
2930 if (!wpa_dbus_dict_append_string(&iter_dict, "Group", group))
2935 if (ie_data->pairwise_cipher & WPA_CIPHER_TKIP)
2936 pairwise[n++] = "tkip";
2937 if (ie_data->pairwise_cipher & WPA_CIPHER_CCMP)
2938 pairwise[n++] = "ccmp";
2940 if (!wpa_dbus_dict_append_string_array(&iter_dict, "Pairwise",
2944 /* Management group (RSN only) */
2945 if (ie_data->proto == WPA_PROTO_RSN) {
2946 switch (ie_data->mgmt_group_cipher) {
2947 #ifdef CONFIG_IEEE80211W
2948 case WPA_CIPHER_AES_128_CMAC:
2949 group = "aes128cmac";
2951 #endif /* CONFIG_IEEE80211W */
2957 if (!wpa_dbus_dict_append_string(&iter_dict, "MgmtGroup",
2962 if (!wpa_dbus_dict_close_write(&variant_iter, &iter_dict))
2964 if (!dbus_message_iter_close_container(&iter, &variant_iter))
2971 dbus_message_unref(reply);
2973 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY, NULL);
2978 * wpas_dbus_getter_bss_wpa - Return the WPA options of a BSS
2979 * @message: Pointer to incoming dbus message
2980 * @bss: a pair of interface describing structure and bss's id
2981 * Returns: a dbus message containing the WPA options of requested bss
2983 * Getter for "WPA" property.
2985 DBusMessage * wpas_dbus_getter_bss_wpa(DBusMessage *message,
2986 struct bss_handler_args *bss)
2988 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
2989 struct wpa_ie_data wpa_data;
2993 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_wpa[dbus]: no "
2994 "bss with id %d found", bss->id);
2998 os_memset(&wpa_data, 0, sizeof(wpa_data));
2999 ie = wpa_bss_get_vendor_ie(res, WPA_IE_VENDOR_TYPE);
3001 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0)
3002 return wpas_dbus_error_unknown_error(message,
3006 return wpas_dbus_get_bss_security_prop(message, &wpa_data);
3011 * wpas_dbus_getter_bss_rsn - Return the RSN options of a BSS
3012 * @message: Pointer to incoming dbus message
3013 * @bss: a pair of interface describing structure and bss's id
3014 * Returns: a dbus message containing the RSN options of requested bss
3016 * Getter for "RSN" property.
3018 DBusMessage * wpas_dbus_getter_bss_rsn(DBusMessage *message,
3019 struct bss_handler_args *bss)
3021 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
3022 struct wpa_ie_data wpa_data;
3026 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_rsn[dbus]: no "
3027 "bss with id %d found", bss->id);
3031 os_memset(&wpa_data, 0, sizeof(wpa_data));
3032 ie = wpa_bss_get_ie(res, WLAN_EID_RSN);
3034 if (wpa_parse_wpa_ie(ie, 2 + ie[1], &wpa_data) < 0)
3035 return wpas_dbus_error_unknown_error(message,
3039 return wpas_dbus_get_bss_security_prop(message, &wpa_data);
3044 * wpas_dbus_getter_bss_ies - Return all IEs of a BSS
3045 * @message: Pointer to incoming dbus message
3046 * @bss: a pair of interface describing structure and bss's id
3047 * Returns: a dbus message containing IEs byte array
3049 * Getter for "IEs" property.
3051 DBusMessage * wpas_dbus_getter_bss_ies(DBusMessage *message,
3052 struct bss_handler_args *bss)
3054 struct wpa_bss *res = wpa_bss_get_id(bss->wpa_s, bss->id);
3057 wpa_printf(MSG_ERROR, "wpas_dbus_getter_bss_ies[dbus]: no "
3058 "bss with id %d found", bss->id);
3062 return wpas_dbus_simple_array_property_getter(message, DBUS_TYPE_BYTE,
3063 res + 1, res->ie_len);
3068 * wpas_dbus_getter_enabled - Check whether network is enabled or disabled
3069 * @message: Pointer to incoming dbus message
3070 * @wpas_dbus_setter_enabled: wpa_supplicant structure for a network interface
3071 * and wpa_ssid structure for a configured network
3072 * Returns: DBus message with boolean indicating state of configured network
3073 * or DBus error on failure
3075 * Getter for "enabled" property of a configured network.
3077 DBusMessage * wpas_dbus_getter_enabled(DBusMessage *message,
3078 struct network_handler_args *net)
3080 dbus_bool_t enabled = net->ssid->disabled ? FALSE : TRUE;
3081 return wpas_dbus_simple_property_getter(message, DBUS_TYPE_BOOLEAN,
3087 * wpas_dbus_setter_enabled - Mark a configured network as enabled or disabled
3088 * @message: Pointer to incoming dbus message
3089 * @wpas_dbus_setter_enabled: wpa_supplicant structure for a network interface
3090 * and wpa_ssid structure for a configured network
3091 * Returns: NULL indicating success or DBus error on failure
3093 * Setter for "Enabled" property of a configured network.
3095 DBusMessage * wpas_dbus_setter_enabled(DBusMessage *message,
3096 struct network_handler_args *net)
3098 DBusMessage *reply = NULL;
3100 struct wpa_supplicant *wpa_s;
3101 struct wpa_ssid *ssid;
3105 reply = wpas_dbus_simple_property_setter(message, DBUS_TYPE_BOOLEAN,
3115 wpa_supplicant_enable_network(wpa_s, ssid);
3117 wpa_supplicant_disable_network(wpa_s, ssid);
3124 * wpas_dbus_getter_network_properties - Get options for a configured network
3125 * @message: Pointer to incoming dbus message
3126 * @net: wpa_supplicant structure for a network interface and
3127 * wpa_ssid structure for a configured network
3128 * Returns: DBus message with network properties or DBus error on failure
3130 * Getter for "Properties" property of a configured network.
3132 DBusMessage * wpas_dbus_getter_network_properties(
3133 DBusMessage *message, struct network_handler_args *net)
3135 DBusMessage *reply = NULL;
3136 DBusMessageIter iter, variant_iter, dict_iter;
3138 char **props = wpa_config_get_all(net->ssid, 1);
3140 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3143 if (message == NULL)
3144 reply = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL);
3146 reply = dbus_message_new_method_return(message);
3148 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3153 dbus_message_iter_init_append(reply, &iter);
3155 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
3156 "a{sv}", &variant_iter) ||
3157 !wpa_dbus_dict_open_write(&variant_iter, &dict_iter)) {
3158 dbus_message_unref(reply);
3159 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3166 if (!wpa_dbus_dict_append_string(&dict_iter, *iterator,
3168 dbus_message_unref(reply);
3169 reply = dbus_message_new_error(message,
3170 DBUS_ERROR_NO_MEMORY,
3178 if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
3179 !dbus_message_iter_close_container(&iter, &variant_iter)) {
3180 dbus_message_unref(reply);
3181 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
3198 * wpas_dbus_setter_network_properties - Set options for a configured network
3199 * @message: Pointer to incoming dbus message
3200 * @net: wpa_supplicant structure for a network interface and
3201 * wpa_ssid structure for a configured network
3202 * Returns: NULL indicating success or DBus error on failure
3204 * Setter for "Properties" property of a configured network.
3206 DBusMessage * wpas_dbus_setter_network_properties(
3207 DBusMessage *message, struct network_handler_args *net)
3209 struct wpa_ssid *ssid = net->ssid;
3211 DBusMessage *reply = NULL;
3212 DBusMessageIter iter, variant_iter;
3214 dbus_message_iter_init(message, &iter);
3216 dbus_message_iter_next(&iter);
3217 dbus_message_iter_next(&iter);
3219 dbus_message_iter_recurse(&iter, &variant_iter);
3221 reply = set_network_properties(message, net->wpa_s, ssid,
3224 wpa_printf(MSG_DEBUG, "dbus control interface couldn't set "
3225 "network properties");