2 * WPA Supplicant / dbus-based control interface
3 * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
19 #include "wpa_supplicant_i.h"
20 #include "ctrl_iface_dbus.h"
21 #include "ctrl_iface_dbus_handlers.h"
22 #include "eap_peer/eap_methods.h"
23 #include "dbus_dict_helpers.h"
24 #include "ieee802_11_defs.h"
25 #include "wpas_glue.h"
26 #include "eapol_supp/eapol_supp_sm.h"
30 * wpas_dbus_new_invalid_opts_error - Return a new invalid options error message
31 * @message: Pointer to incoming dbus message this error refers to
32 * Returns: a dbus error message
34 * Convenience function to create and return an invalid options error
36 static DBusMessage
* wpas_dbus_new_invalid_opts_error(DBusMessage
*message
,
41 reply
= dbus_message_new_error(message
, WPAS_ERROR_INVALID_OPTS
,
42 "Did not receive correct message "
45 dbus_message_append_args(reply
, DBUS_TYPE_STRING
, &arg
,
53 * wpas_dbus_new_success_reply - Return a new success reply message
54 * @message: Pointer to incoming dbus message this reply refers to
55 * Returns: a dbus message containing a single UINT32 that indicates
56 * success (ie, a value of 1)
58 * Convenience function to create and return a success reply message
60 static DBusMessage
* wpas_dbus_new_success_reply(DBusMessage
*message
)
63 unsigned int success
= 1;
65 reply
= dbus_message_new_method_return(message
);
66 dbus_message_append_args(reply
, DBUS_TYPE_UINT32
, &success
,
72 static void wpas_dbus_free_wpa_interface(struct wpa_interface
*iface
)
74 free((char *) iface
->driver
);
75 free((char *) iface
->driver_param
);
76 free((char *) iface
->confname
);
77 free((char *) iface
->bridge_ifname
);
82 * wpas_dbus_global_add_interface - Request registration of a network interface
83 * @message: Pointer to incoming dbus message
84 * @global: %wpa_supplicant global data structure
85 * Returns: The object path of the new interface object,
86 * or a dbus error message with more information
88 * Handler function for "addInterface" method call. Handles requests
89 * by dbus clients to register a network interface that wpa_supplicant
92 DBusMessage
* wpas_dbus_global_add_interface(DBusMessage
*message
,
93 struct wpa_global
*global
)
95 struct wpa_interface iface
;
97 DBusMessage
*reply
= NULL
;
100 memset(&iface
, 0, sizeof(iface
));
102 dbus_message_iter_init(message
, &iter
);
104 /* First argument: interface name (DBUS_TYPE_STRING)
105 * Required; must be non-zero length
107 if (dbus_message_iter_get_arg_type(&iter
) != DBUS_TYPE_STRING
)
109 dbus_message_iter_get_basic(&iter
, &ifname
);
112 iface
.ifname
= ifname
;
114 /* Second argument: dict of options */
115 if (dbus_message_iter_next(&iter
)) {
116 DBusMessageIter iter_dict
;
117 struct wpa_dbus_dict_entry entry
;
119 if (!wpa_dbus_dict_open_read(&iter
, &iter_dict
))
121 while (wpa_dbus_dict_has_dict_entry(&iter_dict
)) {
122 if (!wpa_dbus_dict_get_entry(&iter_dict
, &entry
))
124 if (!strcmp(entry
.key
, "driver") &&
125 (entry
.type
== DBUS_TYPE_STRING
)) {
126 iface
.driver
= strdup(entry
.str_value
);
127 if (iface
.driver
== NULL
)
129 } else if (!strcmp(entry
.key
, "driver-params") &&
130 (entry
.type
== DBUS_TYPE_STRING
)) {
131 iface
.driver_param
= strdup(entry
.str_value
);
132 if (iface
.driver_param
== NULL
)
134 } else if (!strcmp(entry
.key
, "config-file") &&
135 (entry
.type
== DBUS_TYPE_STRING
)) {
136 iface
.confname
= strdup(entry
.str_value
);
137 if (iface
.confname
== NULL
)
139 } else if (!strcmp(entry
.key
, "bridge-ifname") &&
140 (entry
.type
== DBUS_TYPE_STRING
)) {
141 iface
.bridge_ifname
= strdup(entry
.str_value
);
142 if (iface
.bridge_ifname
== NULL
)
145 wpa_dbus_dict_entry_clear(&entry
);
148 wpa_dbus_dict_entry_clear(&entry
);
153 * Try to get the wpa_supplicant record for this iface, return
154 * an error if we already control it.
156 if (wpa_supplicant_get_iface(global
, iface
.ifname
) != 0) {
157 reply
= dbus_message_new_error(message
,
158 WPAS_ERROR_EXISTS_ERROR
,
159 "wpa_supplicant already "
160 "controls this interface.");
162 struct wpa_supplicant
*wpa_s
;
163 /* Otherwise, have wpa_supplicant attach to it. */
164 if ((wpa_s
= wpa_supplicant_add_iface(global
, &iface
))) {
165 const char *path
= wpa_supplicant_get_dbus_path(wpa_s
);
166 reply
= dbus_message_new_method_return(message
);
167 dbus_message_append_args(reply
, DBUS_TYPE_OBJECT_PATH
,
168 &path
, DBUS_TYPE_INVALID
);
170 reply
= dbus_message_new_error(message
,
171 WPAS_ERROR_ADD_ERROR
,
173 "couldn't grab this "
177 wpas_dbus_free_wpa_interface(&iface
);
181 wpas_dbus_free_wpa_interface(&iface
);
182 return wpas_dbus_new_invalid_opts_error(message
, NULL
);
187 * wpas_dbus_global_remove_interface - Request deregistration of an interface
188 * @message: Pointer to incoming dbus message
189 * @global: wpa_supplicant global data structure
190 * Returns: a dbus message containing a UINT32 indicating success (1) or
191 * failure (0), or returns a dbus error message with more information
193 * Handler function for "removeInterface" method call. Handles requests
194 * by dbus clients to deregister a network interface that wpa_supplicant
197 DBusMessage
* wpas_dbus_global_remove_interface(DBusMessage
*message
,
198 struct wpa_global
*global
)
200 struct wpa_supplicant
*wpa_s
;
202 DBusMessage
*reply
= NULL
;
204 if (!dbus_message_get_args(message
, NULL
,
205 DBUS_TYPE_OBJECT_PATH
, &path
,
206 DBUS_TYPE_INVALID
)) {
207 reply
= wpas_dbus_new_invalid_opts_error(message
, NULL
);
211 wpa_s
= wpa_supplicant_get_iface_by_dbus_path(global
, path
);
213 reply
= wpas_dbus_new_invalid_iface_error(message
);
217 if (!wpa_supplicant_remove_iface(global
, wpa_s
)) {
218 reply
= wpas_dbus_new_success_reply(message
);
220 reply
= dbus_message_new_error(message
,
221 WPAS_ERROR_REMOVE_ERROR
,
222 "wpa_supplicant couldn't "
223 "remove this interface.");
232 * wpas_dbus_global_get_interface - Get the object path for an interface name
233 * @message: Pointer to incoming dbus message
234 * @global: %wpa_supplicant global data structure
235 * Returns: The object path of the interface object,
236 * or a dbus error message with more information
238 * Handler function for "getInterface" method call. Handles requests
239 * by dbus clients for the object path of an specific network interface.
241 DBusMessage
* wpas_dbus_global_get_interface(DBusMessage
*message
,
242 struct wpa_global
*global
)
244 DBusMessage
*reply
= NULL
;
247 struct wpa_supplicant
*wpa_s
;
249 if (!dbus_message_get_args(message
, NULL
,
250 DBUS_TYPE_STRING
, &ifname
,
251 DBUS_TYPE_INVALID
)) {
252 reply
= wpas_dbus_new_invalid_opts_error(message
, NULL
);
256 wpa_s
= wpa_supplicant_get_iface(global
, ifname
);
258 reply
= wpas_dbus_new_invalid_iface_error(message
);
262 path
= wpa_supplicant_get_dbus_path(wpa_s
);
264 reply
= dbus_message_new_error(message
,
265 WPAS_ERROR_INTERNAL_ERROR
,
266 "an internal error occurred "
267 "getting the interface.");
271 reply
= dbus_message_new_method_return(message
);
272 dbus_message_append_args(reply
,
273 DBUS_TYPE_OBJECT_PATH
, &path
,
282 * wpas_dbus_iface_scan - Request a wireless scan on an interface
283 * @message: Pointer to incoming dbus message
284 * @wpa_s: wpa_supplicant structure for a network interface
285 * Returns: a dbus message containing a UINT32 indicating success (1) or
288 * Handler function for "scan" method call of a network device. Requests
289 * that wpa_supplicant perform a wireless scan as soon as possible
290 * on a particular wireless interface.
292 DBusMessage
* wpas_dbus_iface_scan(DBusMessage
*message
,
293 struct wpa_supplicant
*wpa_s
)
296 wpa_supplicant_req_scan(wpa_s
, 0, 0);
297 return wpas_dbus_new_success_reply(message
);
302 * wpas_dbus_iface_scan_results - Get the results of a recent scan request
303 * @message: Pointer to incoming dbus message
304 * @wpa_s: wpa_supplicant structure for a network interface
305 * Returns: a dbus message containing a dbus array of objects paths, or returns
306 * a dbus error message if not scan results could be found
308 * Handler function for "scanResults" method call of a network device. Returns
309 * a dbus message containing the object paths of wireless networks found.
311 DBusMessage
* wpas_dbus_iface_scan_results(DBusMessage
*message
,
312 struct wpa_supplicant
*wpa_s
)
314 DBusMessage
*reply
= NULL
;
315 DBusMessageIter iter
;
316 DBusMessageIter sub_iter
;
319 /* Ensure we've actually got scan results to return */
320 if (wpa_s
->scan_res
== NULL
&&
321 wpa_supplicant_get_scan_results(wpa_s
) < 0) {
322 reply
= dbus_message_new_error(message
, WPAS_ERROR_SCAN_ERROR
,
323 "An error ocurred getting scan "
328 /* Create and initialize the return message */
329 reply
= dbus_message_new_method_return(message
);
330 dbus_message_iter_init_append(reply
, &iter
);
331 dbus_message_iter_open_container(&iter
, DBUS_TYPE_ARRAY
,
332 DBUS_TYPE_OBJECT_PATH_AS_STRING
,
335 /* Loop through scan results and append each result's object path */
336 for (i
= 0; i
< wpa_s
->scan_res
->num
; i
++) {
337 struct wpa_scan_res
*res
= wpa_s
->scan_res
->res
[i
];
340 path
= os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX
);
342 perror("wpas_dbus_iface_scan_results[dbus]: out of "
344 wpa_printf(MSG_ERROR
, "dbus control interface: not "
345 "enough memory to send scan results "
349 /* Construct the object path for this network. Note that ':'
350 * is not a valid character in dbus object paths.
352 snprintf(path
, WPAS_DBUS_OBJECT_PATH_MAX
,
353 "%s/" WPAS_DBUS_BSSIDS_PART
"/"
354 WPAS_DBUS_BSSID_FORMAT
,
355 wpa_supplicant_get_dbus_path(wpa_s
),
356 MAC2STR(res
->bssid
));
357 dbus_message_iter_append_basic(&sub_iter
,
358 DBUS_TYPE_OBJECT_PATH
, &path
);
362 dbus_message_iter_close_container(&iter
, &sub_iter
);
370 * wpas_dbus_bssid_properties - Return the properties of a scanned network
371 * @message: Pointer to incoming dbus message
372 * @wpa_s: wpa_supplicant structure for a network interface
373 * @res: wpa_supplicant scan result for which to get properties
374 * Returns: a dbus message containing the properties for the requested network
376 * Handler function for "properties" method call of a scanned network.
377 * Returns a dbus message containing the the properties.
379 DBusMessage
* wpas_dbus_bssid_properties(DBusMessage
*message
,
380 struct wpa_supplicant
*wpa_s
,
381 struct wpa_scan_res
*res
)
383 DBusMessage
*reply
= NULL
;
384 DBusMessageIter iter
, iter_dict
;
387 /* Dump the properties into a dbus message */
388 reply
= dbus_message_new_method_return(message
);
390 dbus_message_iter_init_append(reply
, &iter
);
391 if (!wpa_dbus_dict_open_write(&iter
, &iter_dict
))
394 if (!wpa_dbus_dict_append_byte_array(&iter_dict
, "bssid",
395 (const char *) res
->bssid
,
399 ie
= wpa_scan_get_ie(res
, WLAN_EID_SSID
);
401 if (!wpa_dbus_dict_append_byte_array(&iter_dict
, "ssid",
402 (const char *) (ie
+ 2),
407 ie
= wpa_scan_get_vendor_ie(res
, WPA_IE_VENDOR_TYPE
);
409 if (!wpa_dbus_dict_append_byte_array(&iter_dict
, "wpaie",
415 ie
= wpa_scan_get_ie(res
, WLAN_EID_RSN
);
417 if (!wpa_dbus_dict_append_byte_array(&iter_dict
, "rsnie",
424 if (!wpa_dbus_dict_append_int32(&iter_dict
, "frequency",
428 if (!wpa_dbus_dict_append_uint16(&iter_dict
, "capabilities",
431 if (!wpa_dbus_dict_append_int32(&iter_dict
, "quality", res
->qual
))
433 if (!wpa_dbus_dict_append_int32(&iter_dict
, "noise", res
->noise
))
435 if (!wpa_dbus_dict_append_int32(&iter_dict
, "level", res
->level
))
437 if (!wpa_dbus_dict_append_int32(&iter_dict
, "maxrate",
438 wpa_scan_get_max_rate(res
) * 500000))
441 if (!wpa_dbus_dict_close_write(&iter
, &iter_dict
))
448 dbus_message_unref(reply
);
449 return dbus_message_new_error(message
, WPAS_ERROR_INTERNAL_ERROR
,
450 "an internal error occurred returning "
451 "BSSID properties.");
456 * wpas_dbus_iface_capabilities - Return interface capabilities
457 * @message: Pointer to incoming dbus message
458 * @wpa_s: wpa_supplicant structure for a network interface
459 * Returns: A dbus message containing a dict of strings
461 * Handler function for "capabilities" method call of an interface.
463 DBusMessage
* wpas_dbus_iface_capabilities(DBusMessage
*message
,
464 struct wpa_supplicant
*wpa_s
)
466 DBusMessage
*reply
= NULL
;
467 struct wpa_driver_capa capa
;
469 DBusMessageIter iter
, iter_dict
;
472 dbus_bool_t strict
= FALSE
;
473 DBusMessageIter iter_dict_entry
, iter_dict_val
, iter_array
;
475 if (!dbus_message_get_args(message
, NULL
,
476 DBUS_TYPE_BOOLEAN
, &strict
,
480 reply
= dbus_message_new_method_return(message
);
482 dbus_message_iter_init_append(reply
, &iter
);
483 if (!wpa_dbus_dict_open_write(&iter
, &iter_dict
))
487 eap_methods
= eap_get_names_as_string_array(&num_items
);
489 dbus_bool_t success
= FALSE
;
492 success
= wpa_dbus_dict_append_string_array(
493 &iter_dict
, "eap", (const char **) eap_methods
,
496 /* free returned method array */
497 while (eap_methods
[i
])
498 free(eap_methods
[i
++]);
505 res
= wpa_drv_get_capa(wpa_s
, &capa
);
507 /***** pairwise cipher */
510 const char *args
[] = {"CCMP", "TKIP", "NONE"};
511 if (!wpa_dbus_dict_append_string_array(
512 &iter_dict
, "pairwise", args
,
513 sizeof(args
) / sizeof(char*)))
517 if (!wpa_dbus_dict_begin_string_array(&iter_dict
, "pairwise",
523 if (capa
.enc
& WPA_DRIVER_CAPA_ENC_CCMP
) {
524 if (!wpa_dbus_dict_string_array_add_element(
525 &iter_array
, "CCMP"))
529 if (capa
.enc
& WPA_DRIVER_CAPA_ENC_TKIP
) {
530 if (!wpa_dbus_dict_string_array_add_element(
531 &iter_array
, "TKIP"))
535 if (capa
.key_mgmt
& WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE
) {
536 if (!wpa_dbus_dict_string_array_add_element(
537 &iter_array
, "NONE"))
541 if (!wpa_dbus_dict_end_string_array(&iter_dict
,
548 /***** group cipher */
551 const char *args
[] = {
552 "CCMP", "TKIP", "WEP104", "WEP40"
554 if (!wpa_dbus_dict_append_string_array(
555 &iter_dict
, "group", args
,
556 sizeof(args
) / sizeof(char*)))
560 if (!wpa_dbus_dict_begin_string_array(&iter_dict
, "group",
566 if (capa
.enc
& WPA_DRIVER_CAPA_ENC_CCMP
) {
567 if (!wpa_dbus_dict_string_array_add_element(
568 &iter_array
, "CCMP"))
572 if (capa
.enc
& WPA_DRIVER_CAPA_ENC_TKIP
) {
573 if (!wpa_dbus_dict_string_array_add_element(
574 &iter_array
, "TKIP"))
578 if (capa
.enc
& WPA_DRIVER_CAPA_ENC_WEP104
) {
579 if (!wpa_dbus_dict_string_array_add_element(
580 &iter_array
, "WEP104"))
584 if (capa
.enc
& WPA_DRIVER_CAPA_ENC_WEP40
) {
585 if (!wpa_dbus_dict_string_array_add_element(
586 &iter_array
, "WEP40"))
590 if (!wpa_dbus_dict_end_string_array(&iter_dict
,
597 /***** key management */
600 const char *args
[] = {
601 "WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE",
604 if (!wpa_dbus_dict_append_string_array(
605 &iter_dict
, "key_mgmt", args
,
606 sizeof(args
) / sizeof(char*)))
610 if (!wpa_dbus_dict_begin_string_array(&iter_dict
, "key_mgmt",
616 if (!wpa_dbus_dict_string_array_add_element(&iter_array
,
620 if (!wpa_dbus_dict_string_array_add_element(&iter_array
,
624 if (capa
.key_mgmt
& (WPA_DRIVER_CAPA_KEY_MGMT_WPA
|
625 WPA_DRIVER_CAPA_KEY_MGMT_WPA2
)) {
626 if (!wpa_dbus_dict_string_array_add_element(
627 &iter_array
, "WPA-EAP"))
631 if (capa
.key_mgmt
& (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK
|
632 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK
)) {
633 if (!wpa_dbus_dict_string_array_add_element(
634 &iter_array
, "WPA-PSK"))
638 if (capa
.key_mgmt
& WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE
) {
639 if (!wpa_dbus_dict_string_array_add_element(
640 &iter_array
, "WPA-NONE"))
644 if (!wpa_dbus_dict_end_string_array(&iter_dict
,
651 /***** WPA protocol */
654 const char *args
[] = { "RSN", "WPA" };
655 if (!wpa_dbus_dict_append_string_array(
656 &iter_dict
, "proto", args
,
657 sizeof(args
) / sizeof(char*)))
661 if (!wpa_dbus_dict_begin_string_array(&iter_dict
, "proto",
667 if (capa
.key_mgmt
& (WPA_DRIVER_CAPA_KEY_MGMT_WPA2
|
668 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK
)) {
669 if (!wpa_dbus_dict_string_array_add_element(
674 if (capa
.key_mgmt
& (WPA_DRIVER_CAPA_KEY_MGMT_WPA
|
675 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK
)) {
676 if (!wpa_dbus_dict_string_array_add_element(
681 if (!wpa_dbus_dict_end_string_array(&iter_dict
,
691 const char *args
[] = { "OPEN", "SHARED", "LEAP" };
692 if (!wpa_dbus_dict_append_string_array(
693 &iter_dict
, "auth_alg", args
,
694 sizeof(args
) / sizeof(char*)))
698 if (!wpa_dbus_dict_begin_string_array(&iter_dict
, "auth_alg",
704 if (capa
.auth
& (WPA_DRIVER_AUTH_OPEN
)) {
705 if (!wpa_dbus_dict_string_array_add_element(
706 &iter_array
, "OPEN"))
710 if (capa
.auth
& (WPA_DRIVER_AUTH_SHARED
)) {
711 if (!wpa_dbus_dict_string_array_add_element(
712 &iter_array
, "SHARED"))
716 if (capa
.auth
& (WPA_DRIVER_AUTH_LEAP
)) {
717 if (!wpa_dbus_dict_string_array_add_element(
718 &iter_array
, "LEAP"))
722 if (!wpa_dbus_dict_end_string_array(&iter_dict
,
729 if (!wpa_dbus_dict_close_write(&iter
, &iter_dict
))
736 dbus_message_unref(reply
);
737 return dbus_message_new_error(message
, WPAS_ERROR_INTERNAL_ERROR
,
738 "an internal error occurred returning "
739 "interface capabilities.");
744 * wpas_dbus_iface_add_network - Add a new configured network
745 * @message: Pointer to incoming dbus message
746 * @wpa_s: wpa_supplicant structure for a network interface
747 * Returns: A dbus message containing the object path of the new network
749 * Handler function for "addNetwork" method call of a network interface.
751 DBusMessage
* wpas_dbus_iface_add_network(DBusMessage
*message
,
752 struct wpa_supplicant
*wpa_s
)
754 DBusMessage
*reply
= NULL
;
755 struct wpa_ssid
*ssid
;
758 path
= os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX
);
760 perror("wpas_dbus_iface_scan_results[dbus]: out of "
762 wpa_printf(MSG_ERROR
, "dbus control interface: not "
763 "enough memory to send scan results "
768 ssid
= wpa_config_add_network(wpa_s
->conf
);
770 reply
= dbus_message_new_error(message
,
771 WPAS_ERROR_ADD_NETWORK_ERROR
,
772 "wpa_supplicant could not add "
773 "a network on this interface.");
777 wpa_config_set_network_defaults(ssid
);
779 /* Construct the object path for this network. */
780 snprintf(path
, WPAS_DBUS_OBJECT_PATH_MAX
,
781 "%s/" WPAS_DBUS_NETWORKS_PART
"/%d",
782 wpa_supplicant_get_dbus_path(wpa_s
),
785 reply
= dbus_message_new_method_return(message
);
786 dbus_message_append_args(reply
, DBUS_TYPE_OBJECT_PATH
,
787 &path
, DBUS_TYPE_INVALID
);
796 * wpas_dbus_iface_remove_network - Remove a configured network
797 * @message: Pointer to incoming dbus message
798 * @wpa_s: wpa_supplicant structure for a network interface
799 * Returns: A dbus message containing a UINT32 indicating success (1) or
802 * Handler function for "removeNetwork" method call of a network interface.
804 DBusMessage
* wpas_dbus_iface_remove_network(DBusMessage
*message
,
805 struct wpa_supplicant
*wpa_s
)
807 DBusMessage
*reply
= NULL
;
809 char *iface
= NULL
, *net_id
= NULL
;
811 struct wpa_ssid
*ssid
;
813 if (!dbus_message_get_args(message
, NULL
,
814 DBUS_TYPE_OBJECT_PATH
, &op
,
815 DBUS_TYPE_INVALID
)) {
816 reply
= wpas_dbus_new_invalid_opts_error(message
, NULL
);
820 /* Extract the network ID */
821 iface
= wpas_dbus_decompose_object_path(op
, &net_id
, NULL
);
823 reply
= wpas_dbus_new_invalid_network_error(message
);
826 /* Ensure the network is actually a child of this interface */
827 if (strcmp(iface
, wpa_supplicant_get_dbus_path(wpa_s
)) != 0) {
828 reply
= wpas_dbus_new_invalid_network_error(message
);
832 id
= strtoul(net_id
, NULL
, 10);
833 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
835 reply
= wpas_dbus_new_invalid_network_error(message
);
839 if (wpa_config_remove_network(wpa_s
->conf
, id
) < 0) {
840 reply
= dbus_message_new_error(message
,
841 WPAS_ERROR_REMOVE_NETWORK_ERROR
,
842 "error removing the specified "
843 "on this interface.");
847 if (ssid
== wpa_s
->current_ssid
)
848 wpa_supplicant_disassociate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
849 reply
= wpas_dbus_new_success_reply(message
);
858 static const char *dont_quote
[] = {
859 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
860 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
864 static dbus_bool_t
should_quote_opt(const char *key
)
867 while (dont_quote
[i
] != NULL
) {
868 if (strcmp(key
, dont_quote
[i
]) == 0)
876 * wpas_dbus_iface_set_network - Set options for a configured network
877 * @message: Pointer to incoming dbus message
878 * @wpa_s: wpa_supplicant structure for a network interface
879 * @ssid: wpa_ssid structure for a configured network
880 * Returns: a dbus message containing a UINT32 indicating success (1) or
883 * Handler function for "set" method call of a configured network.
885 DBusMessage
* wpas_dbus_iface_set_network(DBusMessage
*message
,
886 struct wpa_supplicant
*wpa_s
,
887 struct wpa_ssid
*ssid
)
889 DBusMessage
*reply
= NULL
;
890 struct wpa_dbus_dict_entry entry
= { .type
= DBUS_TYPE_STRING
};
891 DBusMessageIter iter
, iter_dict
;
893 dbus_message_iter_init(message
, &iter
);
895 if (!wpa_dbus_dict_open_read(&iter
, &iter_dict
)) {
896 reply
= wpas_dbus_new_invalid_opts_error(message
, NULL
);
900 while (wpa_dbus_dict_has_dict_entry(&iter_dict
)) {
905 if (!wpa_dbus_dict_get_entry(&iter_dict
, &entry
)) {
906 reply
= wpas_dbus_new_invalid_opts_error(message
,
911 /* Type conversions, since wpa_supplicant wants strings */
912 if (entry
.type
== DBUS_TYPE_ARRAY
&&
913 entry
.array_type
== DBUS_TYPE_BYTE
) {
914 if (entry
.array_len
<= 0)
917 size
= entry
.array_len
* 2 + 1;
918 value
= os_zalloc(size
);
921 ret
= wpa_snprintf_hex(value
, size
,
922 (u8
*) entry
.bytearray_value
,
926 } else if (entry
.type
== DBUS_TYPE_STRING
) {
927 if (should_quote_opt(entry
.key
)) {
928 size
= strlen(entry
.str_value
);
929 /* Zero-length option check */
932 size
+= 3; /* For quotes and terminator */
933 value
= os_zalloc(size
);
936 ret
= snprintf(value
, size
, "\"%s\"",
938 if (ret
< 0 || (size_t) ret
!= (size
- 1))
941 value
= strdup(entry
.str_value
);
945 } else if (entry
.type
== DBUS_TYPE_UINT32
) {
946 value
= os_zalloc(size
);
949 ret
= snprintf(value
, size
, "%u", entry
.uint32_value
);
952 } else if (entry
.type
== DBUS_TYPE_INT32
) {
953 value
= os_zalloc(size
);
956 ret
= snprintf(value
, size
, "%d", entry
.int32_value
);
962 if (wpa_config_set(ssid
, entry
.key
, value
, 0) < 0)
965 if ((strcmp(entry
.key
, "psk") == 0 &&
966 value
[0] == '"' && ssid
->ssid_len
) ||
967 (strcmp(entry
.key
, "ssid") == 0 && ssid
->passphrase
))
968 wpa_config_update_psk(ssid
);
971 wpa_dbus_dict_entry_clear(&entry
);
976 reply
= wpas_dbus_new_invalid_opts_error(message
, entry
.key
);
977 wpa_dbus_dict_entry_clear(&entry
);
982 reply
= wpas_dbus_new_success_reply(message
);
990 * wpas_dbus_iface_enable_network - Mark a configured network as enabled
991 * @message: Pointer to incoming dbus message
992 * @wpa_s: wpa_supplicant structure for a network interface
993 * @ssid: wpa_ssid structure for a configured network
994 * Returns: A dbus message containing a UINT32 indicating success (1) or
997 * Handler function for "enable" method call of a configured network.
999 DBusMessage
* wpas_dbus_iface_enable_network(DBusMessage
*message
,
1000 struct wpa_supplicant
*wpa_s
,
1001 struct wpa_ssid
*ssid
)
1003 if (wpa_s
->current_ssid
== NULL
&& ssid
->disabled
) {
1005 * Try to reassociate since there is no current configuration
1006 * and a new network was made available.
1008 wpa_s
->reassociate
= 1;
1009 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1013 return wpas_dbus_new_success_reply(message
);
1018 * wpas_dbus_iface_disable_network - Mark a configured network as disabled
1019 * @message: Pointer to incoming dbus message
1020 * @wpa_s: wpa_supplicant structure for a network interface
1021 * @ssid: wpa_ssid structure for a configured network
1022 * Returns: A dbus message containing a UINT32 indicating success (1) or
1025 * Handler function for "disable" method call of a configured network.
1027 DBusMessage
* wpas_dbus_iface_disable_network(DBusMessage
*message
,
1028 struct wpa_supplicant
*wpa_s
,
1029 struct wpa_ssid
*ssid
)
1031 if (ssid
== wpa_s
->current_ssid
)
1032 wpa_supplicant_disassociate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1035 return wpas_dbus_new_success_reply(message
);
1040 * wpas_dbus_iface_select_network - Attempt association with a configured network
1041 * @message: Pointer to incoming dbus message
1042 * @wpa_s: wpa_supplicant structure for a network interface
1043 * Returns: A dbus message containing a UINT32 indicating success (1) or
1046 * Handler function for "selectNetwork" method call of network interface.
1048 DBusMessage
* wpas_dbus_iface_select_network(DBusMessage
*message
,
1049 struct wpa_supplicant
*wpa_s
)
1051 DBusMessage
*reply
= NULL
;
1053 struct wpa_ssid
*ssid
;
1054 char *iface_obj_path
= NULL
;
1055 char *network
= NULL
;
1057 if (strlen(dbus_message_get_signature(message
)) == 0) {
1059 ssid
= wpa_s
->conf
->ssid
;
1064 wpa_s
->reassociate
= 1;
1065 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1067 const char *obj_path
;
1070 if (!dbus_message_get_args(message
, NULL
,
1071 DBUS_TYPE_OBJECT_PATH
, &op
,
1072 DBUS_TYPE_INVALID
)) {
1073 reply
= wpas_dbus_new_invalid_opts_error(message
,
1078 /* Extract the network number */
1079 iface_obj_path
= wpas_dbus_decompose_object_path(op
,
1082 if (iface_obj_path
== NULL
) {
1083 reply
= wpas_dbus_new_invalid_iface_error(message
);
1086 /* Ensure the object path really points to this interface */
1087 obj_path
= wpa_supplicant_get_dbus_path(wpa_s
);
1088 if (strcmp(iface_obj_path
, obj_path
) != 0) {
1089 reply
= wpas_dbus_new_invalid_network_error(message
);
1093 nid
= strtoul(network
, NULL
, 10);
1094 if (errno
== EINVAL
) {
1095 reply
= wpas_dbus_new_invalid_network_error(message
);
1099 ssid
= wpa_config_get_network(wpa_s
->conf
, nid
);
1101 reply
= wpas_dbus_new_invalid_network_error(message
);
1105 /* Finally, associate with the network */
1106 if (ssid
!= wpa_s
->current_ssid
&& wpa_s
->current_ssid
)
1107 wpa_supplicant_disassociate(
1108 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1110 /* Mark all other networks disabled and trigger reassociation
1112 ssid
= wpa_s
->conf
->ssid
;
1114 ssid
->disabled
= (nid
!= ssid
->id
);
1117 wpa_s
->disconnected
= 0;
1118 wpa_s
->reassociate
= 1;
1119 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1122 reply
= wpas_dbus_new_success_reply(message
);
1125 free(iface_obj_path
);
1132 * wpas_dbus_iface_disconnect - Terminate the current connection
1133 * @message: Pointer to incoming dbus message
1134 * @wpa_s: wpa_supplicant structure for a network interface
1135 * Returns: A dbus message containing a UINT32 indicating success (1) or
1138 * Handler function for "disconnect" method call of network interface.
1140 DBusMessage
* wpas_dbus_iface_disconnect(DBusMessage
*message
,
1141 struct wpa_supplicant
*wpa_s
)
1143 wpa_s
->disconnected
= 1;
1144 wpa_supplicant_disassociate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1146 return wpas_dbus_new_success_reply(message
);
1151 * wpas_dbus_iface_set_ap_scan - Control roaming mode
1152 * @message: Pointer to incoming dbus message
1153 * @wpa_s: wpa_supplicant structure for a network interface
1154 * Returns: A dbus message containing a UINT32 indicating success (1) or
1157 * Handler function for "setAPScan" method call.
1159 DBusMessage
* wpas_dbus_iface_set_ap_scan(DBusMessage
*message
,
1160 struct wpa_supplicant
*wpa_s
)
1162 DBusMessage
*reply
= NULL
;
1163 dbus_uint32_t ap_scan
= 1;
1165 if (!dbus_message_get_args(message
, NULL
, DBUS_TYPE_UINT32
, &ap_scan
,
1166 DBUS_TYPE_INVALID
)) {
1167 reply
= wpas_dbus_new_invalid_opts_error(message
, NULL
);
1172 reply
= wpas_dbus_new_invalid_opts_error(message
, NULL
);
1175 wpa_s
->conf
->ap_scan
= ap_scan
;
1176 reply
= wpas_dbus_new_success_reply(message
);
1184 * wpas_dbus_iface_set_smartcard_modules - Set smartcard related module paths
1185 * @message: Pointer to incoming dbus message
1186 * @wpa_s: wpa_supplicant structure for a network interface
1187 * Returns: A dbus message containing a UINT32 indicating success (1) or
1190 * Handler function for "setSmartcardModules" method call.
1192 DBusMessage
* wpas_dbus_iface_set_smartcard_modules(
1193 DBusMessage
*message
, struct wpa_supplicant
*wpa_s
)
1195 DBusMessageIter iter
, iter_dict
;
1196 char *opensc_engine_path
= NULL
;
1197 char *pkcs11_engine_path
= NULL
;
1198 char *pkcs11_module_path
= NULL
;
1199 struct wpa_dbus_dict_entry entry
;
1201 if (!dbus_message_iter_init(message
, &iter
))
1204 if (!wpa_dbus_dict_open_read(&iter
, &iter_dict
))
1207 while (wpa_dbus_dict_has_dict_entry(&iter_dict
)) {
1208 if (!wpa_dbus_dict_get_entry(&iter_dict
, &entry
))
1210 if (!strcmp(entry
.key
, "opensc_engine_path") &&
1211 (entry
.type
== DBUS_TYPE_STRING
)) {
1212 opensc_engine_path
= os_strdup(entry
.str_value
);
1213 if (opensc_engine_path
== NULL
)
1215 } else if (!strcmp(entry
.key
, "pkcs11_engine_path") &&
1216 (entry
.type
== DBUS_TYPE_STRING
)) {
1217 pkcs11_engine_path
= os_strdup(entry
.str_value
);
1218 if (pkcs11_engine_path
== NULL
)
1220 } else if (!strcmp(entry
.key
, "pkcs11_module_path") &&
1221 (entry
.type
== DBUS_TYPE_STRING
)) {
1222 pkcs11_module_path
= os_strdup(entry
.str_value
);
1223 if (pkcs11_module_path
== NULL
)
1226 wpa_dbus_dict_entry_clear(&entry
);
1229 wpa_dbus_dict_entry_clear(&entry
);
1232 #ifdef EAP_TLS_OPENSSL
1233 os_free(wpa_s
->conf
->opensc_engine_path
);
1234 wpa_s
->conf
->opensc_engine_path
= opensc_engine_path
;
1235 os_free(wpa_s
->conf
->pkcs11_engine_path
);
1236 wpa_s
->conf
->pkcs11_engine_path
= pkcs11_engine_path
;
1237 os_free(wpa_s
->conf
->pkcs11_module_path
);
1238 wpa_s
->conf
->pkcs11_module_path
= pkcs11_module_path
;
1239 #endif /* EAP_TLS_OPENSSL */
1241 eapol_sm_deinit(wpa_s
->eapol
);
1242 wpa_supplicant_init_eapol(wpa_s
);
1244 return wpas_dbus_new_success_reply(message
);
1247 os_free(opensc_engine_path
);
1248 os_free(pkcs11_engine_path
);
1249 os_free(pkcs11_module_path
);
1250 return wpas_dbus_new_invalid_opts_error(message
, NULL
);
1254 * wpas_dbus_iface_get_state - Get interface state
1255 * @message: Pointer to incoming dbus message
1256 * @wpa_s: wpa_supplicant structure for a network interface
1257 * Returns: A dbus message containing a STRING representing the current
1260 * Handler function for "state" method call.
1262 DBusMessage
* wpas_dbus_iface_get_state(DBusMessage
*message
,
1263 struct wpa_supplicant
*wpa_s
)
1265 DBusMessage
*reply
= NULL
;
1266 const char *str_state
;
1268 reply
= dbus_message_new_method_return(message
);
1269 if (reply
!= NULL
) {
1270 str_state
= wpa_supplicant_state_txt(wpa_s
->wpa_state
);
1271 dbus_message_append_args(reply
, DBUS_TYPE_STRING
, &str_state
,
1280 * wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
1281 * @message: Pointer to incoming dbus message
1282 * @global: %wpa_supplicant global data structure
1283 * Returns: A dbus message containing a UINT32 indicating success (1) or
1286 * Asks wpa_supplicant to internally store a one or more binary blobs.
1288 DBusMessage
* wpas_dbus_iface_set_blobs(DBusMessage
*message
,
1289 struct wpa_supplicant
*wpa_s
)
1291 DBusMessage
*reply
= NULL
;
1292 struct wpa_dbus_dict_entry entry
= { .type
= DBUS_TYPE_STRING
};
1293 DBusMessageIter iter
, iter_dict
;
1295 dbus_message_iter_init(message
, &iter
);
1297 if (!wpa_dbus_dict_open_read(&iter
, &iter_dict
))
1298 return wpas_dbus_new_invalid_opts_error(message
, NULL
);
1300 while (wpa_dbus_dict_has_dict_entry(&iter_dict
)) {
1301 struct wpa_config_blob
*blob
;
1303 if (!wpa_dbus_dict_get_entry(&iter_dict
, &entry
)) {
1304 reply
= wpas_dbus_new_invalid_opts_error(message
,
1309 if (entry
.type
!= DBUS_TYPE_ARRAY
||
1310 entry
.array_type
!= DBUS_TYPE_BYTE
) {
1311 reply
= wpas_dbus_new_invalid_opts_error(
1312 message
, "Byte array expected.");
1316 if ((entry
.array_len
<= 0) || (entry
.array_len
> 65536) ||
1317 !strlen(entry
.key
)) {
1318 reply
= wpas_dbus_new_invalid_opts_error(
1319 message
, "Invalid array size.");
1323 blob
= os_zalloc(sizeof(*blob
));
1325 reply
= dbus_message_new_error(
1326 message
, WPAS_ERROR_ADD_ERROR
,
1327 "Not enough memory to add blob.");
1330 blob
->data
= os_zalloc(entry
.array_len
);
1331 if (blob
->data
== NULL
) {
1332 reply
= dbus_message_new_error(
1333 message
, WPAS_ERROR_ADD_ERROR
,
1334 "Not enough memory to add blob data.");
1339 blob
->name
= os_strdup(entry
.key
);
1340 blob
->len
= entry
.array_len
;
1341 os_memcpy(blob
->data
, (u8
*) entry
.bytearray_value
,
1343 if (blob
->name
== NULL
|| blob
->data
== NULL
) {
1344 wpa_config_free_blob(blob
);
1345 reply
= dbus_message_new_error(
1346 message
, WPAS_ERROR_ADD_ERROR
,
1347 "Error adding blob.");
1352 wpa_config_remove_blob(wpa_s
->conf
, blob
->name
);
1353 wpa_config_set_blob(wpa_s
->conf
, blob
);
1354 wpa_dbus_dict_entry_clear(&entry
);
1356 wpa_dbus_dict_entry_clear(&entry
);
1358 return reply
? reply
: wpas_dbus_new_success_reply(message
);
1363 * wpas_dbus_iface_remove_blob - Remove named binary blobs
1364 * @message: Pointer to incoming dbus message
1365 * @global: %wpa_supplicant global data structure
1366 * Returns: A dbus message containing a UINT32 indicating success (1) or
1369 * Asks wpa_supplicant to remove one or more previously stored binary blobs.
1371 DBusMessage
* wpas_dbus_iface_remove_blobs(DBusMessage
*message
,
1372 struct wpa_supplicant
*wpa_s
)
1374 DBusMessageIter iter
, array
;
1375 char *err_msg
= NULL
;
1377 dbus_message_iter_init(message
, &iter
);
1379 if ((dbus_message_iter_get_arg_type (&iter
) != DBUS_TYPE_ARRAY
) ||
1380 (dbus_message_iter_get_element_type (&iter
) != DBUS_TYPE_STRING
))
1381 return wpas_dbus_new_invalid_opts_error(message
, NULL
);
1383 dbus_message_iter_recurse(&iter
, &array
);
1384 while (dbus_message_iter_get_arg_type(&array
) == DBUS_TYPE_STRING
) {
1387 dbus_message_iter_get_basic(&array
, &name
);
1389 err_msg
= "Invalid blob name.";
1391 if (wpa_config_remove_blob(wpa_s
->conf
, name
) != 0)
1392 err_msg
= "Error removing blob.";
1393 dbus_message_iter_next(&array
);
1397 return dbus_message_new_error(message
, WPAS_ERROR_REMOVE_ERROR
,
1401 return wpas_dbus_new_success_reply(message
);