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)))
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 os_free(wpa_s->conf->opensc_engine_path);
1233 wpa_s->conf->opensc_engine_path = opensc_engine_path;
1234 os_free(wpa_s->conf->pkcs11_engine_path);
1235 wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
1236 os_free(wpa_s->conf->pkcs11_module_path);
1237 wpa_s->conf->pkcs11_module_path = pkcs11_module_path;
1239 eapol_sm_deinit(wpa_s->eapol);
1240 wpa_supplicant_init_eapol(wpa_s);
1242 return wpas_dbus_new_success_reply(message);
1245 os_free(opensc_engine_path);
1246 os_free(pkcs11_engine_path);
1247 os_free(pkcs11_module_path);
1248 return wpas_dbus_new_invalid_opts_error(message, NULL);
1252 * wpas_dbus_iface_get_state - Get interface state
1253 * @message: Pointer to incoming dbus message
1254 * @wpa_s: wpa_supplicant structure for a network interface
1255 * Returns: A dbus message containing a STRING representing the current
1258 * Handler function for "state" method call.
1260 DBusMessage * wpas_dbus_iface_get_state(DBusMessage *message,
1261 struct wpa_supplicant *wpa_s)
1263 DBusMessage *reply = NULL;
1264 const char *str_state;
1266 reply = dbus_message_new_method_return(message);
1267 if (reply != NULL) {
1268 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
1269 dbus_message_append_args(reply, DBUS_TYPE_STRING, &str_state,
1278 * wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
1279 * @message: Pointer to incoming dbus message
1280 * @global: %wpa_supplicant global data structure
1281 * Returns: A dbus message containing a UINT32 indicating success (1) or
1284 * Asks wpa_supplicant to internally store a one or more binary blobs.
1286 DBusMessage * wpas_dbus_iface_set_blobs(DBusMessage *message,
1287 struct wpa_supplicant *wpa_s)
1289 DBusMessage *reply = NULL;
1290 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
1291 DBusMessageIter iter, iter_dict;
1293 dbus_message_iter_init(message, &iter);
1295 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
1296 return wpas_dbus_new_invalid_opts_error(message, NULL);
1298 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1299 struct wpa_config_blob *blob;
1301 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
1302 reply = wpas_dbus_new_invalid_opts_error(message,
1307 if (entry.type != DBUS_TYPE_ARRAY ||
1308 entry.array_type != DBUS_TYPE_BYTE) {
1309 reply = wpas_dbus_new_invalid_opts_error(
1310 message, "Byte array expected.");
1314 if ((entry.array_len <= 0) || (entry.array_len > 65536) ||
1315 !strlen(entry.key)) {
1316 reply = wpas_dbus_new_invalid_opts_error(
1317 message, "Invalid array size.");
1321 blob = os_zalloc(sizeof(*blob));
1323 reply = dbus_message_new_error(
1324 message, WPAS_ERROR_ADD_ERROR,
1325 "Not enough memory to add blob.");
1328 blob->data = os_zalloc(entry.array_len);
1329 if (blob->data == NULL) {
1330 reply = dbus_message_new_error(
1331 message, WPAS_ERROR_ADD_ERROR,
1332 "Not enough memory to add blob data.");
1337 blob->name = os_strdup(entry.key);
1338 blob->len = entry.array_len;
1339 os_memcpy(blob->data, (u8 *) entry.bytearray_value,
1341 if (blob->name == NULL || blob->data == NULL) {
1342 wpa_config_free_blob(blob);
1343 reply = dbus_message_new_error(
1344 message, WPAS_ERROR_ADD_ERROR,
1345 "Error adding blob.");
1350 wpa_config_remove_blob(wpa_s->conf, blob->name);
1351 wpa_config_set_blob(wpa_s->conf, blob);
1352 wpa_dbus_dict_entry_clear(&entry);
1354 wpa_dbus_dict_entry_clear(&entry);
1356 return reply ? reply : wpas_dbus_new_success_reply(message);
1361 * wpas_dbus_iface_remove_blob - Remove named binary blobs
1362 * @message: Pointer to incoming dbus message
1363 * @global: %wpa_supplicant global data structure
1364 * Returns: A dbus message containing a UINT32 indicating success (1) or
1367 * Asks wpa_supplicant to remove one or more previously stored binary blobs.
1369 DBusMessage * wpas_dbus_iface_remove_blobs(DBusMessage *message,
1370 struct wpa_supplicant *wpa_s)
1372 DBusMessageIter iter, array;
1373 char *err_msg = NULL;
1375 dbus_message_iter_init(message, &iter);
1377 if ((dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY) ||
1378 (dbus_message_iter_get_element_type (&iter) != DBUS_TYPE_STRING))
1379 return wpas_dbus_new_invalid_opts_error(message, NULL);
1381 dbus_message_iter_recurse(&iter, &array);
1382 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
1385 dbus_message_iter_get_basic(&array, &name);
1387 err_msg = "Invalid blob name.";
1389 if (wpa_config_remove_blob(wpa_s->conf, name) != 0)
1390 err_msg = "Error removing blob.";
1391 dbus_message_iter_next(&array);
1395 return dbus_message_new_error(message, WPAS_ERROR_REMOVE_ERROR,
1399 return wpas_dbus_new_success_reply(message);