2 * WPA Supplicant / dbus-based control interface
3 * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
10 #include <dbus/dbus.h>
13 #include "eap_peer/eap_methods.h"
14 #include "common/ieee802_11_defs.h"
15 #include "eapol_supp/eapol_supp_sm.h"
16 #include "rsn_supp/wpa.h"
17 #include "../config.h"
18 #include "../wpa_supplicant_i.h"
19 #include "../driver_i.h"
20 #include "../notify.h"
21 #include "../wpas_glue.h"
25 #include "dbus_old_handlers.h"
26 #include "dbus_dict_helpers.h"
29 * wpas_dbus_new_invalid_opts_error - Return a new invalid options error message
30 * @message: Pointer to incoming dbus message this error refers to
31 * Returns: a dbus error message
33 * Convenience function to create and return an invalid options error
35 DBusMessage * wpas_dbus_new_invalid_opts_error(DBusMessage *message,
40 reply = dbus_message_new_error(
41 message, WPAS_ERROR_INVALID_OPTS,
42 "Did not receive correct message arguments.");
44 dbus_message_append_args(reply, DBUS_TYPE_STRING, &arg,
52 * wpas_dbus_new_success_reply - Return a new success reply message
53 * @message: Pointer to incoming dbus message this reply refers to
54 * Returns: a dbus message containing a single UINT32 that indicates
55 * success (ie, a value of 1)
57 * Convenience function to create and return a success reply message
59 DBusMessage * wpas_dbus_new_success_reply(DBusMessage *message)
62 unsigned int success = 1;
64 reply = dbus_message_new_method_return(message);
65 dbus_message_append_args(reply, DBUS_TYPE_UINT32, &success,
72 * wpas_dbus_global_add_interface - Request registration of a network interface
73 * @message: Pointer to incoming dbus message
74 * @global: %wpa_supplicant global data structure
75 * Returns: The object path of the new interface object,
76 * or a dbus error message with more information
78 * Handler function for "addInterface" method call. Handles requests
79 * by dbus clients to register a network interface that wpa_supplicant
82 DBusMessage * wpas_dbus_global_add_interface(DBusMessage *message,
83 struct wpa_global *global)
87 char *driver_param = NULL;
88 char *confname = NULL;
89 char *bridge_ifname = NULL;
90 DBusMessage *reply = NULL;
93 dbus_message_iter_init(message, &iter);
95 /* First argument: interface name (DBUS_TYPE_STRING)
96 * Required; must be non-zero length
98 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
100 dbus_message_iter_get_basic(&iter, &ifname);
101 if (!os_strlen(ifname))
104 /* Second argument: dict of options */
105 if (dbus_message_iter_next(&iter)) {
106 DBusMessageIter iter_dict;
107 struct wpa_dbus_dict_entry entry;
109 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
111 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
112 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
114 if (!strcmp(entry.key, "driver") &&
115 entry.type == DBUS_TYPE_STRING) {
117 driver = os_strdup(entry.str_value);
118 wpa_dbus_dict_entry_clear(&entry);
121 } else if (!strcmp(entry.key, "driver-params") &&
122 entry.type == DBUS_TYPE_STRING) {
123 os_free(driver_param);
124 driver_param = os_strdup(entry.str_value);
125 wpa_dbus_dict_entry_clear(&entry);
126 if (driver_param == NULL)
128 } else if (!strcmp(entry.key, "config-file") &&
129 entry.type == DBUS_TYPE_STRING) {
131 confname = os_strdup(entry.str_value);
132 wpa_dbus_dict_entry_clear(&entry);
133 if (confname == NULL)
135 } else if (!strcmp(entry.key, "bridge-ifname") &&
136 entry.type == DBUS_TYPE_STRING) {
137 os_free(bridge_ifname);
138 bridge_ifname = os_strdup(entry.str_value);
139 wpa_dbus_dict_entry_clear(&entry);
140 if (bridge_ifname == NULL)
143 wpa_dbus_dict_entry_clear(&entry);
150 * Try to get the wpa_supplicant record for this iface, return
151 * an error if we already control it.
153 if (wpa_supplicant_get_iface(global, ifname) != NULL) {
154 reply = dbus_message_new_error(
155 message, WPAS_ERROR_EXISTS_ERROR,
156 "wpa_supplicant already controls this interface.");
158 struct wpa_supplicant *wpa_s;
159 struct wpa_interface iface;
161 os_memset(&iface, 0, sizeof(iface));
162 iface.ifname = ifname;
163 iface.driver = driver;
164 iface.driver_param = driver_param;
165 iface.confname = confname;
166 iface.bridge_ifname = bridge_ifname;
167 /* Otherwise, have wpa_supplicant attach to it. */
168 wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
169 if (wpa_s && wpa_s->dbus_path) {
170 const char *path = wpa_s->dbus_path;
172 reply = dbus_message_new_method_return(message);
173 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
174 &path, DBUS_TYPE_INVALID);
176 reply = dbus_message_new_error(
177 message, WPAS_ERROR_ADD_ERROR,
178 "wpa_supplicant couldn't grab this interface.");
184 os_free(driver_param);
186 os_free(bridge_ifname);
190 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
196 * wpas_dbus_global_remove_interface - Request deregistration of an interface
197 * @message: Pointer to incoming dbus message
198 * @global: wpa_supplicant global data structure
199 * Returns: a dbus message containing a UINT32 indicating success (1) or
200 * failure (0), or returns a dbus error message with more information
202 * Handler function for "removeInterface" method call. Handles requests
203 * by dbus clients to deregister a network interface that wpa_supplicant
206 DBusMessage * wpas_dbus_global_remove_interface(DBusMessage *message,
207 struct wpa_global *global)
209 struct wpa_supplicant *wpa_s;
211 DBusMessage *reply = NULL;
213 if (!dbus_message_get_args(message, NULL,
214 DBUS_TYPE_OBJECT_PATH, &path,
215 DBUS_TYPE_INVALID)) {
216 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
220 wpa_s = wpa_supplicant_get_iface_by_dbus_path(global, path);
222 reply = wpas_dbus_new_invalid_iface_error(message);
226 if (!wpa_supplicant_remove_iface(global, wpa_s, 0)) {
227 reply = wpas_dbus_new_success_reply(message);
229 reply = dbus_message_new_error(
230 message, WPAS_ERROR_REMOVE_ERROR,
231 "wpa_supplicant couldn't remove this interface.");
240 * wpas_dbus_global_get_interface - Get the object path for an interface name
241 * @message: Pointer to incoming dbus message
242 * @global: %wpa_supplicant global data structure
243 * Returns: The object path of the interface object,
244 * or a dbus error message with more information
246 * Handler function for "getInterface" method call. Handles requests
247 * by dbus clients for the object path of an specific network interface.
249 DBusMessage * wpas_dbus_global_get_interface(DBusMessage *message,
250 struct wpa_global *global)
252 DBusMessage *reply = NULL;
255 struct wpa_supplicant *wpa_s;
257 if (!dbus_message_get_args(message, NULL,
258 DBUS_TYPE_STRING, &ifname,
259 DBUS_TYPE_INVALID)) {
260 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
264 wpa_s = wpa_supplicant_get_iface(global, ifname);
265 if (wpa_s == NULL || !wpa_s->dbus_path) {
266 reply = wpas_dbus_new_invalid_iface_error(message);
270 path = wpa_s->dbus_path;
271 reply = dbus_message_new_method_return(message);
272 dbus_message_append_args(reply,
273 DBUS_TYPE_OBJECT_PATH, &path,
282 * wpas_dbus_global_set_debugparams- Set the debug params
283 * @message: Pointer to incoming dbus message
284 * @global: %wpa_supplicant global data structure
285 * Returns: a dbus message containing a UINT32 indicating success (1) or
286 * failure (0), or returns a dbus error message with more information
288 * Handler function for "setDebugParams" method call. Handles requests
289 * by dbus clients for the object path of an specific network interface.
291 DBusMessage * wpas_dbus_global_set_debugparams(DBusMessage *message,
292 struct wpa_global *global)
294 DBusMessage *reply = NULL;
296 dbus_bool_t debug_timestamp;
297 dbus_bool_t debug_show_keys;
299 if (!dbus_message_get_args(message, NULL,
300 DBUS_TYPE_INT32, &debug_level,
301 DBUS_TYPE_BOOLEAN, &debug_timestamp,
302 DBUS_TYPE_BOOLEAN, &debug_show_keys,
303 DBUS_TYPE_INVALID)) {
304 return wpas_dbus_new_invalid_opts_error(message, NULL);
307 if (wpa_supplicant_set_debug_params(global, debug_level,
308 debug_timestamp ? 1 : 0,
309 debug_show_keys ? 1 : 0)) {
310 return wpas_dbus_new_invalid_opts_error(message, NULL);
313 reply = wpas_dbus_new_success_reply(message);
320 * wpas_dbus_iface_scan - Request a wireless scan on an interface
321 * @message: Pointer to incoming dbus message
322 * @wpa_s: wpa_supplicant structure for a network interface
323 * Returns: a dbus message containing a UINT32 indicating success (1) or
326 * Handler function for "scan" method call of a network device. Requests
327 * that wpa_supplicant perform a wireless scan as soon as possible
328 * on a particular wireless interface.
330 DBusMessage * wpas_dbus_iface_scan(DBusMessage *message,
331 struct wpa_supplicant *wpa_s)
333 wpa_s->scan_req = MANUAL_SCAN_REQ;
334 wpa_supplicant_req_scan(wpa_s, 0, 0);
335 return wpas_dbus_new_success_reply(message);
340 * wpas_dbus_iface_scan_results - Get the results of a recent scan request
341 * @message: Pointer to incoming dbus message
342 * @wpa_s: wpa_supplicant structure for a network interface
343 * Returns: a dbus message containing a dbus array of objects paths, or returns
344 * a dbus error message if not scan results could be found
346 * Handler function for "scanResults" method call of a network device. Returns
347 * a dbus message containing the object paths of wireless networks found.
349 DBusMessage * wpas_dbus_iface_scan_results(DBusMessage *message,
350 struct wpa_supplicant *wpa_s)
353 DBusMessageIter iter;
354 DBusMessageIter sub_iter;
357 if (!wpa_s->dbus_path)
358 return dbus_message_new_error(message,
359 WPAS_ERROR_INTERNAL_ERROR,
360 "no D-Bus interface available");
362 /* Create and initialize the return message */
363 reply = dbus_message_new_method_return(message);
364 dbus_message_iter_init_append(reply, &iter);
365 if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
366 DBUS_TYPE_OBJECT_PATH_AS_STRING,
370 /* Loop through scan results and append each result's object path */
371 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
372 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX];
373 char *path = path_buf;
375 /* Construct the object path for this network. Note that ':'
376 * is not a valid character in dbus object paths.
378 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
379 "%s/" WPAS_DBUS_BSSIDS_PART "/"
380 WPAS_DBUS_BSSID_FORMAT,
381 wpa_s->dbus_path, MAC2STR(bss->bssid));
382 if (!dbus_message_iter_append_basic(&sub_iter,
383 DBUS_TYPE_OBJECT_PATH,
388 if (!dbus_message_iter_close_container(&iter, &sub_iter))
394 dbus_message_unref(reply);
395 return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR,
396 "an internal error occurred returning scan results");
401 * wpas_dbus_bssid_properties - Return the properties of a scanned network
402 * @message: Pointer to incoming dbus message
403 * @wpa_s: wpa_supplicant structure for a network interface
404 * @res: wpa_supplicant scan result for which to get properties
405 * Returns: a dbus message containing the properties for the requested network
407 * Handler function for "properties" method call of a scanned network.
408 * Returns a dbus message containing the the properties.
410 DBusMessage * wpas_dbus_bssid_properties(DBusMessage *message,
411 struct wpa_supplicant *wpa_s,
415 DBusMessageIter iter, iter_dict;
416 const u8 *wpa_ie, *rsn_ie, *wps_ie;
418 /* Dump the properties into a dbus message */
419 reply = dbus_message_new_method_return(message);
421 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
422 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
423 wps_ie = wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE);
425 dbus_message_iter_init_append(reply, &iter);
426 if (!wpa_dbus_dict_open_write(&iter, &iter_dict) ||
427 !wpa_dbus_dict_append_byte_array(&iter_dict, "bssid",
428 (const char *) bss->bssid,
430 !wpa_dbus_dict_append_byte_array(&iter_dict, "ssid",
431 (const char *) bss->ssid,
434 !wpa_dbus_dict_append_byte_array(&iter_dict, "wpaie",
435 (const char *) wpa_ie,
438 !wpa_dbus_dict_append_byte_array(&iter_dict, "rsnie",
439 (const char *) rsn_ie,
442 !wpa_dbus_dict_append_byte_array(&iter_dict, "wpsie",
443 (const char *) wps_ie,
446 !wpa_dbus_dict_append_int32(&iter_dict, "frequency", bss->freq)) ||
447 !wpa_dbus_dict_append_uint16(&iter_dict, "capabilities",
449 (!(bss->flags & WPA_BSS_QUAL_INVALID) &&
450 !wpa_dbus_dict_append_int32(&iter_dict, "quality", bss->qual)) ||
451 (!(bss->flags & WPA_BSS_NOISE_INVALID) &&
452 !wpa_dbus_dict_append_int32(&iter_dict, "noise", bss->noise)) ||
453 (!(bss->flags & WPA_BSS_LEVEL_INVALID) &&
454 !wpa_dbus_dict_append_int32(&iter_dict, "level", bss->level)) ||
455 !wpa_dbus_dict_append_int32(&iter_dict, "maxrate",
456 wpa_bss_get_max_rate(bss) * 500000) ||
457 !wpa_dbus_dict_close_write(&iter, &iter_dict)) {
459 dbus_message_unref(reply);
460 reply = dbus_message_new_error(
461 message, WPAS_ERROR_INTERNAL_ERROR,
462 "an internal error occurred returning BSSID properties.");
470 * wpas_dbus_iface_capabilities - Return interface capabilities
471 * @message: Pointer to incoming dbus message
472 * @wpa_s: wpa_supplicant structure for a network interface
473 * Returns: A dbus message containing a dict of strings
475 * Handler function for "capabilities" method call of an interface.
477 DBusMessage * wpas_dbus_iface_capabilities(DBusMessage *message,
478 struct wpa_supplicant *wpa_s)
480 DBusMessage *reply = NULL;
481 struct wpa_driver_capa capa;
483 DBusMessageIter iter, iter_dict;
486 dbus_bool_t strict = FALSE;
487 DBusMessageIter iter_dict_entry, iter_dict_val, iter_array;
489 if (!dbus_message_get_args(message, NULL,
490 DBUS_TYPE_BOOLEAN, &strict,
494 reply = dbus_message_new_method_return(message);
496 dbus_message_iter_init_append(reply, &iter);
497 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
501 eap_methods = eap_get_names_as_string_array(&num_items);
506 success = wpa_dbus_dict_append_string_array(
507 &iter_dict, "eap", (const char **) eap_methods,
510 /* free returned method array */
511 while (eap_methods[i])
512 os_free(eap_methods[i++]);
513 os_free(eap_methods);
519 res = wpa_drv_get_capa(wpa_s, &capa);
521 /***** pairwise cipher */
524 const char *args[] = {"CCMP", "TKIP", "NONE"};
526 if (!wpa_dbus_dict_append_string_array(
527 &iter_dict, "pairwise", args,
532 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "pairwise",
536 ((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
537 !wpa_dbus_dict_string_array_add_element(
538 &iter_array, "CCMP")) ||
539 ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
540 !wpa_dbus_dict_string_array_add_element(
541 &iter_array, "TKIP")) ||
542 ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
543 !wpa_dbus_dict_string_array_add_element(
544 &iter_array, "NONE")) ||
545 !wpa_dbus_dict_end_string_array(&iter_dict,
552 /***** group cipher */
555 const char *args[] = {
556 "CCMP", "TKIP", "WEP104", "WEP40"
559 if (!wpa_dbus_dict_append_string_array(
560 &iter_dict, "group", args,
565 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "group",
571 if (((capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) &&
572 !wpa_dbus_dict_string_array_add_element(
573 &iter_array, "CCMP")) ||
574 ((capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) &&
575 !wpa_dbus_dict_string_array_add_element(
576 &iter_array, "TKIP")) ||
577 ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) &&
578 !wpa_dbus_dict_string_array_add_element(
579 &iter_array, "WEP104")) ||
580 ((capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) &&
581 !wpa_dbus_dict_string_array_add_element(
582 &iter_array, "WEP40")) ||
583 !wpa_dbus_dict_end_string_array(&iter_dict,
590 /***** key management */
593 const char *args[] = {
594 "WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE",
597 if (!wpa_dbus_dict_append_string_array(
598 &iter_dict, "key_mgmt", args,
603 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "key_mgmt",
607 !wpa_dbus_dict_string_array_add_element(&iter_array,
609 !wpa_dbus_dict_string_array_add_element(&iter_array,
611 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
612 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) &&
613 !wpa_dbus_dict_string_array_add_element(
614 &iter_array, "WPA-EAP")) ||
615 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
616 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) &&
617 !wpa_dbus_dict_string_array_add_element(
618 &iter_array, "WPA-PSK")) ||
619 ((capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) &&
620 !wpa_dbus_dict_string_array_add_element(
621 &iter_array, "WPA-NONE")) ||
622 !wpa_dbus_dict_end_string_array(&iter_dict,
629 /***** WPA protocol */
632 const char *args[] = { "RSN", "WPA" };
634 if (!wpa_dbus_dict_append_string_array(
635 &iter_dict, "proto", args,
640 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "proto",
644 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
645 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) &&
646 !wpa_dbus_dict_string_array_add_element(
647 &iter_array, "RSN")) ||
648 ((capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
649 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) &&
650 !wpa_dbus_dict_string_array_add_element(
651 &iter_array, "WPA")) ||
652 !wpa_dbus_dict_end_string_array(&iter_dict,
662 const char *args[] = { "OPEN", "SHARED", "LEAP" };
664 if (!wpa_dbus_dict_append_string_array(
665 &iter_dict, "auth_alg", args,
670 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "auth_alg",
674 ((capa.auth & WPA_DRIVER_AUTH_OPEN) &&
675 !wpa_dbus_dict_string_array_add_element(
676 &iter_array, "OPEN")) ||
677 ((capa.auth & WPA_DRIVER_AUTH_SHARED) &&
678 !wpa_dbus_dict_string_array_add_element(
679 &iter_array, "SHARED")) ||
680 ((capa.auth & WPA_DRIVER_AUTH_LEAP) &&
681 !wpa_dbus_dict_string_array_add_element(
682 &iter_array, "LEAP")) ||
683 !wpa_dbus_dict_end_string_array(&iter_dict,
690 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
697 dbus_message_unref(reply);
698 return dbus_message_new_error(
699 message, WPAS_ERROR_INTERNAL_ERROR,
700 "an internal error occurred returning interface capabilities.");
705 * wpas_dbus_iface_add_network - Add a new configured network
706 * @message: Pointer to incoming dbus message
707 * @wpa_s: wpa_supplicant structure for a network interface
708 * Returns: A dbus message containing the object path of the new network
710 * Handler function for "addNetwork" method call of a network interface.
712 DBusMessage * wpas_dbus_iface_add_network(DBusMessage *message,
713 struct wpa_supplicant *wpa_s)
715 DBusMessage *reply = NULL;
716 struct wpa_ssid *ssid = NULL;
717 char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
719 if (wpa_s->dbus_path)
720 ssid = wpa_supplicant_add_network(wpa_s);
722 reply = dbus_message_new_error(
723 message, WPAS_ERROR_ADD_NETWORK_ERROR,
724 "wpa_supplicant could not add a network on this interface.");
728 /* Construct the object path for this network. */
729 os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
730 "%s/" WPAS_DBUS_NETWORKS_PART "/%d",
731 wpa_s->dbus_path, ssid->id);
733 reply = dbus_message_new_method_return(message);
734 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
735 &path, DBUS_TYPE_INVALID);
743 * wpas_dbus_iface_remove_network - Remove a configured network
744 * @message: Pointer to incoming dbus message
745 * @wpa_s: wpa_supplicant structure for a network interface
746 * Returns: A dbus message containing a UINT32 indicating success (1) or
749 * Handler function for "removeNetwork" method call of a network interface.
751 DBusMessage * wpas_dbus_iface_remove_network(DBusMessage *message,
752 struct wpa_supplicant *wpa_s)
754 DBusMessage *reply = NULL;
756 char *iface = NULL, *net_id = NULL;
760 if (!dbus_message_get_args(message, NULL,
761 DBUS_TYPE_OBJECT_PATH, &op,
762 DBUS_TYPE_INVALID)) {
763 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
767 /* Extract the network ID */
768 iface = wpas_dbus_decompose_object_path(op, &net_id, NULL);
769 if (iface == NULL || net_id == NULL) {
770 reply = wpas_dbus_new_invalid_network_error(message);
774 /* Ensure the network is actually a child of this interface */
775 if (!wpa_s->dbus_path || os_strcmp(iface, wpa_s->dbus_path) != 0) {
776 reply = wpas_dbus_new_invalid_network_error(message);
780 id = strtoul(net_id, NULL, 10);
781 result = wpa_supplicant_remove_network(wpa_s, id);
783 reply = wpas_dbus_new_invalid_network_error(message);
787 reply = dbus_message_new_error(
788 message, WPAS_ERROR_REMOVE_NETWORK_ERROR,
789 "error removing the specified on this interface.");
793 reply = wpas_dbus_new_success_reply(message);
802 static const char * const dont_quote[] = {
803 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
804 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
805 "bssid", "scan_freq", "freq_list", NULL
809 static dbus_bool_t should_quote_opt(const char *key)
813 while (dont_quote[i] != NULL) {
814 if (os_strcmp(key, dont_quote[i]) == 0)
823 * wpas_dbus_iface_set_network - Set options for a configured network
824 * @message: Pointer to incoming dbus message
825 * @wpa_s: wpa_supplicant structure for a network interface
826 * @ssid: wpa_ssid structure for a configured network
827 * Returns: a dbus message containing a UINT32 indicating success (1) or
830 * Handler function for "set" method call of a configured network.
832 DBusMessage * wpas_dbus_iface_set_network(DBusMessage *message,
833 struct wpa_supplicant *wpa_s,
834 struct wpa_ssid *ssid)
836 DBusMessage *reply = NULL;
837 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
838 DBusMessageIter iter, iter_dict;
840 dbus_message_iter_init(message, &iter);
842 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL)) {
843 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
847 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
852 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
853 reply = wpas_dbus_new_invalid_opts_error(message,
858 /* Type conversions, since wpa_supplicant wants strings */
859 if (entry.type == DBUS_TYPE_ARRAY &&
860 entry.array_type == DBUS_TYPE_BYTE) {
861 if (entry.array_len <= 0)
864 size = entry.array_len * 2 + 1;
865 value = os_zalloc(size);
868 ret = wpa_snprintf_hex(value, size,
869 (u8 *) entry.bytearray_value,
873 } else if (entry.type == DBUS_TYPE_STRING) {
874 if (should_quote_opt(entry.key)) {
875 size = os_strlen(entry.str_value);
876 /* Zero-length option check */
879 size += 3; /* For quotes and terminator */
880 value = os_zalloc(size);
883 ret = os_snprintf(value, size, "\"%s\"",
885 if (os_snprintf_error(size, ret))
888 value = os_strdup(entry.str_value);
892 } else if (entry.type == DBUS_TYPE_UINT32) {
893 value = os_zalloc(size);
896 ret = os_snprintf(value, size, "%u",
898 if (os_snprintf_error(size, ret))
900 } else if (entry.type == DBUS_TYPE_INT32) {
901 value = os_zalloc(size);
904 ret = os_snprintf(value, size, "%d",
906 if (os_snprintf_error(size, ret))
911 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
914 if ((os_strcmp(entry.key, "psk") == 0 &&
915 value[0] == '"' && ssid->ssid_len) ||
916 (os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
917 wpa_config_update_psk(ssid);
918 else if (os_strcmp(entry.key, "priority") == 0)
919 wpa_config_update_prio_list(wpa_s->conf);
922 wpa_dbus_dict_entry_clear(&entry);
927 reply = wpas_dbus_new_invalid_opts_error(message, entry.key);
928 wpa_dbus_dict_entry_clear(&entry);
933 reply = wpas_dbus_new_success_reply(message);
941 * wpas_dbus_iface_enable_network - Mark a configured network as enabled
942 * @message: Pointer to incoming dbus message
943 * @wpa_s: wpa_supplicant structure for a network interface
944 * @ssid: wpa_ssid structure for a configured network
945 * Returns: A dbus message containing a UINT32 indicating success (1) or
948 * Handler function for "enable" method call of a configured network.
950 DBusMessage * wpas_dbus_iface_enable_network(DBusMessage *message,
951 struct wpa_supplicant *wpa_s,
952 struct wpa_ssid *ssid)
954 wpa_supplicant_enable_network(wpa_s, ssid);
955 return wpas_dbus_new_success_reply(message);
960 * wpas_dbus_iface_disable_network - Mark a configured network as disabled
961 * @message: Pointer to incoming dbus message
962 * @wpa_s: wpa_supplicant structure for a network interface
963 * @ssid: wpa_ssid structure for a configured network
964 * Returns: A dbus message containing a UINT32 indicating success (1) or
967 * Handler function for "disable" method call of a configured network.
969 DBusMessage * wpas_dbus_iface_disable_network(DBusMessage *message,
970 struct wpa_supplicant *wpa_s,
971 struct wpa_ssid *ssid)
973 wpa_supplicant_disable_network(wpa_s, ssid);
974 return wpas_dbus_new_success_reply(message);
979 * wpas_dbus_iface_select_network - Attempt association with a configured network
980 * @message: Pointer to incoming dbus message
981 * @wpa_s: wpa_supplicant structure for a network interface
982 * Returns: A dbus message containing a UINT32 indicating success (1) or
985 * Handler function for "selectNetwork" method call of network interface.
987 DBusMessage * wpas_dbus_iface_select_network(DBusMessage *message,
988 struct wpa_supplicant *wpa_s)
990 DBusMessage *reply = NULL;
992 struct wpa_ssid *ssid;
993 char *iface_obj_path = NULL;
994 char *network = NULL;
996 if (os_strlen(dbus_message_get_signature(message)) == 0) {
1002 if (!dbus_message_get_args(message, NULL,
1003 DBUS_TYPE_OBJECT_PATH, &op,
1004 DBUS_TYPE_INVALID)) {
1005 reply = wpas_dbus_new_invalid_opts_error(message,
1010 /* Extract the network number */
1011 iface_obj_path = wpas_dbus_decompose_object_path(op,
1014 if (iface_obj_path == NULL) {
1015 reply = wpas_dbus_new_invalid_iface_error(message);
1018 /* Ensure the object path really points to this interface */
1019 if (network == NULL || !wpa_s->dbus_path ||
1020 os_strcmp(iface_obj_path, wpa_s->dbus_path) != 0) {
1021 reply = wpas_dbus_new_invalid_network_error(message);
1025 nid = strtoul(network, NULL, 10);
1026 if (errno == EINVAL) {
1027 reply = wpas_dbus_new_invalid_network_error(message);
1031 ssid = wpa_config_get_network(wpa_s->conf, nid);
1033 reply = wpas_dbus_new_invalid_network_error(message);
1038 /* Finally, associate with the network */
1039 wpa_supplicant_select_network(wpa_s, ssid);
1041 reply = wpas_dbus_new_success_reply(message);
1044 os_free(iface_obj_path);
1051 * wpas_dbus_iface_disconnect - Terminate the current connection
1052 * @message: Pointer to incoming dbus message
1053 * @wpa_s: wpa_supplicant structure for a network interface
1054 * Returns: A dbus message containing a UINT32 indicating success (1) or
1057 * Handler function for "disconnect" method call of network interface.
1059 DBusMessage * wpas_dbus_iface_disconnect(DBusMessage *message,
1060 struct wpa_supplicant *wpa_s)
1062 wpas_request_disconnection(wpa_s);
1064 return wpas_dbus_new_success_reply(message);
1069 * wpas_dbus_iface_set_ap_scan - Control roaming mode
1070 * @message: Pointer to incoming dbus message
1071 * @wpa_s: wpa_supplicant structure for a network interface
1072 * Returns: A dbus message containing a UINT32 indicating success (1) or
1075 * Handler function for "setAPScan" method call.
1077 DBusMessage * wpas_dbus_iface_set_ap_scan(DBusMessage *message,
1078 struct wpa_supplicant *wpa_s)
1080 DBusMessage *reply = NULL;
1081 dbus_uint32_t ap_scan = 1;
1083 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &ap_scan,
1084 DBUS_TYPE_INVALID)) {
1085 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
1089 if (wpa_supplicant_set_ap_scan(wpa_s, ap_scan)) {
1090 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
1094 reply = wpas_dbus_new_success_reply(message);
1102 * wpas_dbus_iface_set_smartcard_modules - Set smartcard related module paths
1103 * @message: Pointer to incoming dbus message
1104 * @wpa_s: wpa_supplicant structure for a network interface
1105 * Returns: A dbus message containing a UINT32 indicating success (1) or
1108 * Handler function for "setSmartcardModules" method call.
1110 DBusMessage * wpas_dbus_iface_set_smartcard_modules(
1111 DBusMessage *message, struct wpa_supplicant *wpa_s)
1113 DBusMessageIter iter, iter_dict;
1114 char *opensc_engine_path = NULL;
1115 char *pkcs11_engine_path = NULL;
1116 char *pkcs11_module_path = NULL;
1117 struct wpa_dbus_dict_entry entry;
1119 if (!dbus_message_iter_init(message, &iter))
1122 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
1125 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1126 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
1128 if (!strcmp(entry.key, "opensc_engine_path") &&
1129 entry.type == DBUS_TYPE_STRING) {
1130 os_free(opensc_engine_path);
1131 opensc_engine_path = os_strdup(entry.str_value);
1132 wpa_dbus_dict_entry_clear(&entry);
1133 if (opensc_engine_path == NULL)
1135 } else if (!strcmp(entry.key, "pkcs11_engine_path") &&
1136 entry.type == DBUS_TYPE_STRING) {
1137 os_free(pkcs11_engine_path);
1138 pkcs11_engine_path = os_strdup(entry.str_value);
1139 wpa_dbus_dict_entry_clear(&entry);
1140 if (pkcs11_engine_path == NULL)
1142 } else if (!strcmp(entry.key, "pkcs11_module_path") &&
1143 entry.type == DBUS_TYPE_STRING) {
1144 os_free(pkcs11_module_path);
1145 pkcs11_module_path = os_strdup(entry.str_value);
1146 wpa_dbus_dict_entry_clear(&entry);
1147 if (pkcs11_module_path == NULL)
1150 wpa_dbus_dict_entry_clear(&entry);
1155 os_free(wpa_s->conf->opensc_engine_path);
1156 wpa_s->conf->opensc_engine_path = opensc_engine_path;
1157 os_free(wpa_s->conf->pkcs11_engine_path);
1158 wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
1159 os_free(wpa_s->conf->pkcs11_module_path);
1160 wpa_s->conf->pkcs11_module_path = pkcs11_module_path;
1162 wpa_sm_set_eapol(wpa_s->wpa, NULL);
1163 eapol_sm_deinit(wpa_s->eapol);
1164 wpa_s->eapol = NULL;
1165 wpa_supplicant_init_eapol(wpa_s);
1166 wpa_sm_set_eapol(wpa_s->wpa, wpa_s->eapol);
1168 return wpas_dbus_new_success_reply(message);
1171 os_free(opensc_engine_path);
1172 os_free(pkcs11_engine_path);
1173 os_free(pkcs11_module_path);
1174 return wpas_dbus_new_invalid_opts_error(message, NULL);
1179 * wpas_dbus_iface_get_state - Get interface state
1180 * @message: Pointer to incoming dbus message
1181 * @wpa_s: wpa_supplicant structure for a network interface
1182 * Returns: A dbus message containing a STRING representing the current
1185 * Handler function for "state" method call.
1187 DBusMessage * wpas_dbus_iface_get_state(DBusMessage *message,
1188 struct wpa_supplicant *wpa_s)
1190 DBusMessage *reply = NULL;
1191 const char *str_state;
1193 reply = dbus_message_new_method_return(message);
1194 if (reply != NULL) {
1195 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
1196 dbus_message_append_args(reply, DBUS_TYPE_STRING, &str_state,
1205 * wpas_dbus_iface_get_scanning - Get interface scanning state
1206 * @message: Pointer to incoming dbus message
1207 * @wpa_s: wpa_supplicant structure for a network interface
1208 * Returns: A dbus message containing whether the interface is scanning
1210 * Handler function for "scanning" method call.
1212 DBusMessage * wpas_dbus_iface_get_scanning(DBusMessage *message,
1213 struct wpa_supplicant *wpa_s)
1215 DBusMessage *reply = NULL;
1216 dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
1218 reply = dbus_message_new_method_return(message);
1219 if (reply != NULL) {
1220 dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &scanning,
1223 wpa_printf(MSG_ERROR,
1224 "dbus: Not enough memory to return scanning state");
1231 #ifndef CONFIG_NO_CONFIG_BLOBS
1234 * wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
1235 * @message: Pointer to incoming dbus message
1236 * @wpa_s: %wpa_supplicant data structure
1237 * Returns: A dbus message containing a UINT32 indicating success (1) or
1240 * Asks wpa_supplicant to internally store a one or more binary blobs.
1242 DBusMessage * wpas_dbus_iface_set_blobs(DBusMessage *message,
1243 struct wpa_supplicant *wpa_s)
1245 DBusMessage *reply = NULL;
1246 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
1247 DBusMessageIter iter, iter_dict;
1249 dbus_message_iter_init(message, &iter);
1251 if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
1252 return wpas_dbus_new_invalid_opts_error(message, NULL);
1254 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1255 struct wpa_config_blob *blob;
1257 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
1258 reply = wpas_dbus_new_invalid_opts_error(message,
1263 if (entry.type != DBUS_TYPE_ARRAY ||
1264 entry.array_type != DBUS_TYPE_BYTE) {
1265 reply = wpas_dbus_new_invalid_opts_error(
1266 message, "Byte array expected.");
1270 if ((entry.array_len <= 0) || (entry.array_len > 65536) ||
1271 !strlen(entry.key)) {
1272 reply = wpas_dbus_new_invalid_opts_error(
1273 message, "Invalid array size.");
1277 blob = os_zalloc(sizeof(*blob));
1279 reply = dbus_message_new_error(
1280 message, WPAS_ERROR_ADD_ERROR,
1281 "Not enough memory to add blob.");
1284 blob->data = os_zalloc(entry.array_len);
1285 if (blob->data == NULL) {
1286 reply = dbus_message_new_error(
1287 message, WPAS_ERROR_ADD_ERROR,
1288 "Not enough memory to add blob data.");
1293 blob->name = os_strdup(entry.key);
1294 blob->len = entry.array_len;
1295 os_memcpy(blob->data, (u8 *) entry.bytearray_value,
1297 if (blob->name == NULL) {
1298 wpa_config_free_blob(blob);
1299 reply = dbus_message_new_error(
1300 message, WPAS_ERROR_ADD_ERROR,
1301 "Error adding blob.");
1306 if (!wpa_config_remove_blob(wpa_s->conf, blob->name))
1307 wpas_notify_blob_removed(wpa_s, blob->name);
1308 wpa_config_set_blob(wpa_s->conf, blob);
1309 wpas_notify_blob_added(wpa_s, blob->name);
1311 wpa_dbus_dict_entry_clear(&entry);
1313 wpa_dbus_dict_entry_clear(&entry);
1315 return reply ? reply : wpas_dbus_new_success_reply(message);
1320 * wpas_dbus_iface_remove_blob - Remove named binary blobs
1321 * @message: Pointer to incoming dbus message
1322 * @wpa_s: %wpa_supplicant data structure
1323 * Returns: A dbus message containing a UINT32 indicating success (1) or
1326 * Asks wpa_supplicant to remove one or more previously stored binary blobs.
1328 DBusMessage * wpas_dbus_iface_remove_blobs(DBusMessage *message,
1329 struct wpa_supplicant *wpa_s)
1331 DBusMessageIter iter, array;
1332 char *err_msg = NULL;
1334 dbus_message_iter_init(message, &iter);
1336 if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
1337 dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING)
1338 return wpas_dbus_new_invalid_opts_error(message, NULL);
1340 dbus_message_iter_recurse(&iter, &array);
1341 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
1344 dbus_message_iter_get_basic(&array, &name);
1345 if (!os_strlen(name))
1346 err_msg = "Invalid blob name.";
1347 else if (wpa_config_remove_blob(wpa_s->conf, name) != 0)
1348 err_msg = "Error removing blob.";
1350 wpas_notify_blob_removed(wpa_s, name);
1351 dbus_message_iter_next(&array);
1355 return dbus_message_new_error(message, WPAS_ERROR_REMOVE_ERROR,
1358 return wpas_dbus_new_success_reply(message);
1361 #endif /* CONFIG_NO_CONFIG_BLOBS */
1365 * wpas_dbus_iface_flush - Clear BSS of old or all inactive entries
1366 * @message: Pointer to incoming dbus message
1367 * @wpa_s: %wpa_supplicant data structure
1368 * Returns: a dbus message containing a UINT32 indicating success (1) or
1369 * failure (0), or returns a dbus error message with more information
1371 * Handler function for "flush" method call. Handles requests for an
1372 * interface with an optional "age" parameter that specifies the minimum
1373 * age of a BSS to be flushed.
1375 DBusMessage * wpas_dbus_iface_flush(DBusMessage *message,
1376 struct wpa_supplicant *wpa_s)
1380 if (os_strlen(dbus_message_get_signature(message)) != 0 &&
1381 !dbus_message_get_args(message, NULL,
1382 DBUS_TYPE_INT32, &flush_age,
1383 DBUS_TYPE_INVALID)) {
1384 return wpas_dbus_new_invalid_opts_error(message, NULL);
1388 wpa_bss_flush(wpa_s);
1390 wpa_bss_flush_by_age(wpa_s, flush_age);
1392 return wpas_dbus_new_success_reply(message);