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) != NULL) {
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",
423 ie = wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE);
425 if (!wpa_dbus_dict_append_byte_array(&iter_dict, "wpsie",
432 if (!wpa_dbus_dict_append_int32(&iter_dict, "frequency",
436 if (!wpa_dbus_dict_append_uint16(&iter_dict, "capabilities",
439 if (!wpa_dbus_dict_append_int32(&iter_dict, "quality", res->qual))
441 if (!wpa_dbus_dict_append_int32(&iter_dict, "noise", res->noise))
443 if (!wpa_dbus_dict_append_int32(&iter_dict, "level", res->level))
445 if (!wpa_dbus_dict_append_int32(&iter_dict, "maxrate",
446 wpa_scan_get_max_rate(res) * 500000))
449 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
456 dbus_message_unref(reply);
457 return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR,
458 "an internal error occurred returning "
459 "BSSID properties.");
464 * wpas_dbus_iface_capabilities - Return interface capabilities
465 * @message: Pointer to incoming dbus message
466 * @wpa_s: wpa_supplicant structure for a network interface
467 * Returns: A dbus message containing a dict of strings
469 * Handler function for "capabilities" method call of an interface.
471 DBusMessage * wpas_dbus_iface_capabilities(DBusMessage *message,
472 struct wpa_supplicant *wpa_s)
474 DBusMessage *reply = NULL;
475 struct wpa_driver_capa capa;
477 DBusMessageIter iter, iter_dict;
480 dbus_bool_t strict = FALSE;
481 DBusMessageIter iter_dict_entry, iter_dict_val, iter_array;
483 if (!dbus_message_get_args(message, NULL,
484 DBUS_TYPE_BOOLEAN, &strict,
488 reply = dbus_message_new_method_return(message);
490 dbus_message_iter_init_append(reply, &iter);
491 if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
495 eap_methods = eap_get_names_as_string_array(&num_items);
497 dbus_bool_t success = FALSE;
500 success = wpa_dbus_dict_append_string_array(
501 &iter_dict, "eap", (const char **) eap_methods,
504 /* free returned method array */
505 while (eap_methods[i])
506 free(eap_methods[i++]);
513 res = wpa_drv_get_capa(wpa_s, &capa);
515 /***** pairwise cipher */
518 const char *args[] = {"CCMP", "TKIP", "NONE"};
519 if (!wpa_dbus_dict_append_string_array(
520 &iter_dict, "pairwise", args,
521 sizeof(args) / sizeof(char*)))
525 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "pairwise",
531 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
532 if (!wpa_dbus_dict_string_array_add_element(
533 &iter_array, "CCMP"))
537 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
538 if (!wpa_dbus_dict_string_array_add_element(
539 &iter_array, "TKIP"))
543 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
544 if (!wpa_dbus_dict_string_array_add_element(
545 &iter_array, "NONE"))
549 if (!wpa_dbus_dict_end_string_array(&iter_dict,
556 /***** group cipher */
559 const char *args[] = {
560 "CCMP", "TKIP", "WEP104", "WEP40"
562 if (!wpa_dbus_dict_append_string_array(
563 &iter_dict, "group", args,
564 sizeof(args) / sizeof(char*)))
568 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "group",
574 if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) {
575 if (!wpa_dbus_dict_string_array_add_element(
576 &iter_array, "CCMP"))
580 if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) {
581 if (!wpa_dbus_dict_string_array_add_element(
582 &iter_array, "TKIP"))
586 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) {
587 if (!wpa_dbus_dict_string_array_add_element(
588 &iter_array, "WEP104"))
592 if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) {
593 if (!wpa_dbus_dict_string_array_add_element(
594 &iter_array, "WEP40"))
598 if (!wpa_dbus_dict_end_string_array(&iter_dict,
605 /***** key management */
608 const char *args[] = {
609 "WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE",
612 if (!wpa_dbus_dict_append_string_array(
613 &iter_dict, "key_mgmt", args,
614 sizeof(args) / sizeof(char*)))
618 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "key_mgmt",
624 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
628 if (!wpa_dbus_dict_string_array_add_element(&iter_array,
632 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
633 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
634 if (!wpa_dbus_dict_string_array_add_element(
635 &iter_array, "WPA-EAP"))
639 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
640 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
641 if (!wpa_dbus_dict_string_array_add_element(
642 &iter_array, "WPA-PSK"))
646 if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
647 if (!wpa_dbus_dict_string_array_add_element(
648 &iter_array, "WPA-NONE"))
652 if (!wpa_dbus_dict_end_string_array(&iter_dict,
659 /***** WPA protocol */
662 const char *args[] = { "RSN", "WPA" };
663 if (!wpa_dbus_dict_append_string_array(
664 &iter_dict, "proto", args,
665 sizeof(args) / sizeof(char*)))
669 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "proto",
675 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
676 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
677 if (!wpa_dbus_dict_string_array_add_element(
682 if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
683 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
684 if (!wpa_dbus_dict_string_array_add_element(
689 if (!wpa_dbus_dict_end_string_array(&iter_dict,
699 const char *args[] = { "OPEN", "SHARED", "LEAP" };
700 if (!wpa_dbus_dict_append_string_array(
701 &iter_dict, "auth_alg", args,
702 sizeof(args) / sizeof(char*)))
706 if (!wpa_dbus_dict_begin_string_array(&iter_dict, "auth_alg",
712 if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) {
713 if (!wpa_dbus_dict_string_array_add_element(
714 &iter_array, "OPEN"))
718 if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) {
719 if (!wpa_dbus_dict_string_array_add_element(
720 &iter_array, "SHARED"))
724 if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) {
725 if (!wpa_dbus_dict_string_array_add_element(
726 &iter_array, "LEAP"))
730 if (!wpa_dbus_dict_end_string_array(&iter_dict,
737 if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
744 dbus_message_unref(reply);
745 return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR,
746 "an internal error occurred returning "
747 "interface capabilities.");
752 * wpas_dbus_iface_add_network - Add a new configured network
753 * @message: Pointer to incoming dbus message
754 * @wpa_s: wpa_supplicant structure for a network interface
755 * Returns: A dbus message containing the object path of the new network
757 * Handler function for "addNetwork" method call of a network interface.
759 DBusMessage * wpas_dbus_iface_add_network(DBusMessage *message,
760 struct wpa_supplicant *wpa_s)
762 DBusMessage *reply = NULL;
763 struct wpa_ssid *ssid;
766 path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
768 perror("wpas_dbus_iface_scan_results[dbus]: out of "
770 wpa_printf(MSG_ERROR, "dbus control interface: not "
771 "enough memory to send scan results "
776 ssid = wpa_config_add_network(wpa_s->conf);
778 reply = dbus_message_new_error(message,
779 WPAS_ERROR_ADD_NETWORK_ERROR,
780 "wpa_supplicant could not add "
781 "a network on this interface.");
785 wpa_config_set_network_defaults(ssid);
787 /* Construct the object path for this network. */
788 snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
789 "%s/" WPAS_DBUS_NETWORKS_PART "/%d",
790 wpa_supplicant_get_dbus_path(wpa_s),
793 reply = dbus_message_new_method_return(message);
794 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
795 &path, DBUS_TYPE_INVALID);
804 * wpas_dbus_iface_remove_network - Remove a configured network
805 * @message: Pointer to incoming dbus message
806 * @wpa_s: wpa_supplicant structure for a network interface
807 * Returns: A dbus message containing a UINT32 indicating success (1) or
810 * Handler function for "removeNetwork" method call of a network interface.
812 DBusMessage * wpas_dbus_iface_remove_network(DBusMessage *message,
813 struct wpa_supplicant *wpa_s)
815 DBusMessage *reply = NULL;
817 char *iface = NULL, *net_id = NULL;
819 struct wpa_ssid *ssid;
821 if (!dbus_message_get_args(message, NULL,
822 DBUS_TYPE_OBJECT_PATH, &op,
823 DBUS_TYPE_INVALID)) {
824 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
828 /* Extract the network ID */
829 iface = wpas_dbus_decompose_object_path(op, &net_id, NULL);
831 reply = wpas_dbus_new_invalid_network_error(message);
834 /* Ensure the network is actually a child of this interface */
835 if (strcmp(iface, wpa_supplicant_get_dbus_path(wpa_s)) != 0) {
836 reply = wpas_dbus_new_invalid_network_error(message);
840 id = strtoul(net_id, NULL, 10);
841 ssid = wpa_config_get_network(wpa_s->conf, id);
843 reply = wpas_dbus_new_invalid_network_error(message);
847 if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
848 reply = dbus_message_new_error(message,
849 WPAS_ERROR_REMOVE_NETWORK_ERROR,
850 "error removing the specified "
851 "on this interface.");
855 if (ssid == wpa_s->current_ssid)
856 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
857 reply = wpas_dbus_new_success_reply(message);
866 static const char *dont_quote[] = {
867 "key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
868 "opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
872 static dbus_bool_t should_quote_opt(const char *key)
875 while (dont_quote[i] != NULL) {
876 if (strcmp(key, dont_quote[i]) == 0)
884 * wpas_dbus_iface_set_network - Set options for a configured network
885 * @message: Pointer to incoming dbus message
886 * @wpa_s: wpa_supplicant structure for a network interface
887 * @ssid: wpa_ssid structure for a configured network
888 * Returns: a dbus message containing a UINT32 indicating success (1) or
891 * Handler function for "set" method call of a configured network.
893 DBusMessage * wpas_dbus_iface_set_network(DBusMessage *message,
894 struct wpa_supplicant *wpa_s,
895 struct wpa_ssid *ssid)
897 DBusMessage *reply = NULL;
898 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
899 DBusMessageIter iter, iter_dict;
901 dbus_message_iter_init(message, &iter);
903 if (!wpa_dbus_dict_open_read(&iter, &iter_dict)) {
904 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
908 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
913 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
914 reply = wpas_dbus_new_invalid_opts_error(message,
919 /* Type conversions, since wpa_supplicant wants strings */
920 if (entry.type == DBUS_TYPE_ARRAY &&
921 entry.array_type == DBUS_TYPE_BYTE) {
922 if (entry.array_len <= 0)
925 size = entry.array_len * 2 + 1;
926 value = os_zalloc(size);
929 ret = wpa_snprintf_hex(value, size,
930 (u8 *) entry.bytearray_value,
934 } else if (entry.type == DBUS_TYPE_STRING) {
935 if (should_quote_opt(entry.key)) {
936 size = strlen(entry.str_value);
937 /* Zero-length option check */
940 size += 3; /* For quotes and terminator */
941 value = os_zalloc(size);
944 ret = snprintf(value, size, "\"%s\"",
946 if (ret < 0 || (size_t) ret != (size - 1))
949 value = strdup(entry.str_value);
953 } else if (entry.type == DBUS_TYPE_UINT32) {
954 value = os_zalloc(size);
957 ret = snprintf(value, size, "%u", entry.uint32_value);
960 } else if (entry.type == DBUS_TYPE_INT32) {
961 value = os_zalloc(size);
964 ret = snprintf(value, size, "%d", entry.int32_value);
970 if (wpa_config_set(ssid, entry.key, value, 0) < 0)
973 if ((strcmp(entry.key, "psk") == 0 &&
974 value[0] == '"' && ssid->ssid_len) ||
975 (strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
976 wpa_config_update_psk(ssid);
979 wpa_dbus_dict_entry_clear(&entry);
984 reply = wpas_dbus_new_invalid_opts_error(message, entry.key);
985 wpa_dbus_dict_entry_clear(&entry);
990 reply = wpas_dbus_new_success_reply(message);
998 * wpas_dbus_iface_enable_network - Mark a configured network as enabled
999 * @message: Pointer to incoming dbus message
1000 * @wpa_s: wpa_supplicant structure for a network interface
1001 * @ssid: wpa_ssid structure for a configured network
1002 * Returns: A dbus message containing a UINT32 indicating success (1) or
1005 * Handler function for "enable" method call of a configured network.
1007 DBusMessage * wpas_dbus_iface_enable_network(DBusMessage *message,
1008 struct wpa_supplicant *wpa_s,
1009 struct wpa_ssid *ssid)
1011 if (wpa_s->current_ssid == NULL && ssid->disabled) {
1013 * Try to reassociate since there is no current configuration
1014 * and a new network was made available.
1016 wpa_s->reassociate = 1;
1017 wpa_supplicant_req_scan(wpa_s, 0, 0);
1021 return wpas_dbus_new_success_reply(message);
1026 * wpas_dbus_iface_disable_network - Mark a configured network as disabled
1027 * @message: Pointer to incoming dbus message
1028 * @wpa_s: wpa_supplicant structure for a network interface
1029 * @ssid: wpa_ssid structure for a configured network
1030 * Returns: A dbus message containing a UINT32 indicating success (1) or
1033 * Handler function for "disable" method call of a configured network.
1035 DBusMessage * wpas_dbus_iface_disable_network(DBusMessage *message,
1036 struct wpa_supplicant *wpa_s,
1037 struct wpa_ssid *ssid)
1039 if (ssid == wpa_s->current_ssid)
1040 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1043 return wpas_dbus_new_success_reply(message);
1048 * wpas_dbus_iface_select_network - Attempt association with a configured network
1049 * @message: Pointer to incoming dbus message
1050 * @wpa_s: wpa_supplicant structure for a network interface
1051 * Returns: A dbus message containing a UINT32 indicating success (1) or
1054 * Handler function for "selectNetwork" method call of network interface.
1056 DBusMessage * wpas_dbus_iface_select_network(DBusMessage *message,
1057 struct wpa_supplicant *wpa_s)
1059 DBusMessage *reply = NULL;
1061 struct wpa_ssid *ssid;
1062 char *iface_obj_path = NULL;
1063 char *network = NULL;
1065 if (strlen(dbus_message_get_signature(message)) == 0) {
1067 ssid = wpa_s->conf->ssid;
1072 wpa_s->reassociate = 1;
1073 wpa_supplicant_req_scan(wpa_s, 0, 0);
1075 const char *obj_path;
1078 if (!dbus_message_get_args(message, NULL,
1079 DBUS_TYPE_OBJECT_PATH, &op,
1080 DBUS_TYPE_INVALID)) {
1081 reply = wpas_dbus_new_invalid_opts_error(message,
1086 /* Extract the network number */
1087 iface_obj_path = wpas_dbus_decompose_object_path(op,
1090 if (iface_obj_path == NULL) {
1091 reply = wpas_dbus_new_invalid_iface_error(message);
1094 /* Ensure the object path really points to this interface */
1095 obj_path = wpa_supplicant_get_dbus_path(wpa_s);
1096 if (strcmp(iface_obj_path, obj_path) != 0) {
1097 reply = wpas_dbus_new_invalid_network_error(message);
1101 nid = strtoul(network, NULL, 10);
1102 if (errno == EINVAL) {
1103 reply = wpas_dbus_new_invalid_network_error(message);
1107 ssid = wpa_config_get_network(wpa_s->conf, nid);
1109 reply = wpas_dbus_new_invalid_network_error(message);
1113 /* Finally, associate with the network */
1114 if (ssid != wpa_s->current_ssid && wpa_s->current_ssid)
1115 wpa_supplicant_disassociate(
1116 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1118 /* Mark all other networks disabled and trigger reassociation
1120 ssid = wpa_s->conf->ssid;
1122 ssid->disabled = (nid != ssid->id);
1125 wpa_s->disconnected = 0;
1126 wpa_s->reassociate = 1;
1127 wpa_supplicant_req_scan(wpa_s, 0, 0);
1130 reply = wpas_dbus_new_success_reply(message);
1133 free(iface_obj_path);
1140 * wpas_dbus_iface_disconnect - Terminate the current connection
1141 * @message: Pointer to incoming dbus message
1142 * @wpa_s: wpa_supplicant structure for a network interface
1143 * Returns: A dbus message containing a UINT32 indicating success (1) or
1146 * Handler function for "disconnect" method call of network interface.
1148 DBusMessage * wpas_dbus_iface_disconnect(DBusMessage *message,
1149 struct wpa_supplicant *wpa_s)
1151 wpa_s->disconnected = 1;
1152 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1154 return wpas_dbus_new_success_reply(message);
1159 * wpas_dbus_iface_set_ap_scan - Control roaming mode
1160 * @message: Pointer to incoming dbus message
1161 * @wpa_s: wpa_supplicant structure for a network interface
1162 * Returns: A dbus message containing a UINT32 indicating success (1) or
1165 * Handler function for "setAPScan" method call.
1167 DBusMessage * wpas_dbus_iface_set_ap_scan(DBusMessage *message,
1168 struct wpa_supplicant *wpa_s)
1170 DBusMessage *reply = NULL;
1171 dbus_uint32_t ap_scan = 1;
1173 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_UINT32, &ap_scan,
1174 DBUS_TYPE_INVALID)) {
1175 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
1180 reply = wpas_dbus_new_invalid_opts_error(message, NULL);
1183 wpa_s->conf->ap_scan = ap_scan;
1184 reply = wpas_dbus_new_success_reply(message);
1192 * wpas_dbus_iface_set_smartcard_modules - Set smartcard related module paths
1193 * @message: Pointer to incoming dbus message
1194 * @wpa_s: wpa_supplicant structure for a network interface
1195 * Returns: A dbus message containing a UINT32 indicating success (1) or
1198 * Handler function for "setSmartcardModules" method call.
1200 DBusMessage * wpas_dbus_iface_set_smartcard_modules(
1201 DBusMessage *message, struct wpa_supplicant *wpa_s)
1203 DBusMessageIter iter, iter_dict;
1204 char *opensc_engine_path = NULL;
1205 char *pkcs11_engine_path = NULL;
1206 char *pkcs11_module_path = NULL;
1207 struct wpa_dbus_dict_entry entry;
1209 if (!dbus_message_iter_init(message, &iter))
1212 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
1215 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1216 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
1218 if (!strcmp(entry.key, "opensc_engine_path") &&
1219 (entry.type == DBUS_TYPE_STRING)) {
1220 opensc_engine_path = os_strdup(entry.str_value);
1221 if (opensc_engine_path == NULL)
1223 } else if (!strcmp(entry.key, "pkcs11_engine_path") &&
1224 (entry.type == DBUS_TYPE_STRING)) {
1225 pkcs11_engine_path = os_strdup(entry.str_value);
1226 if (pkcs11_engine_path == NULL)
1228 } else if (!strcmp(entry.key, "pkcs11_module_path") &&
1229 (entry.type == DBUS_TYPE_STRING)) {
1230 pkcs11_module_path = os_strdup(entry.str_value);
1231 if (pkcs11_module_path == NULL)
1234 wpa_dbus_dict_entry_clear(&entry);
1237 wpa_dbus_dict_entry_clear(&entry);
1240 #ifdef EAP_TLS_OPENSSL
1241 os_free(wpa_s->conf->opensc_engine_path);
1242 wpa_s->conf->opensc_engine_path = opensc_engine_path;
1243 os_free(wpa_s->conf->pkcs11_engine_path);
1244 wpa_s->conf->pkcs11_engine_path = pkcs11_engine_path;
1245 os_free(wpa_s->conf->pkcs11_module_path);
1246 wpa_s->conf->pkcs11_module_path = pkcs11_module_path;
1247 #endif /* EAP_TLS_OPENSSL */
1249 eapol_sm_deinit(wpa_s->eapol);
1250 wpa_supplicant_init_eapol(wpa_s);
1252 return wpas_dbus_new_success_reply(message);
1255 os_free(opensc_engine_path);
1256 os_free(pkcs11_engine_path);
1257 os_free(pkcs11_module_path);
1258 return wpas_dbus_new_invalid_opts_error(message, NULL);
1262 * wpas_dbus_iface_get_state - Get interface state
1263 * @message: Pointer to incoming dbus message
1264 * @wpa_s: wpa_supplicant structure for a network interface
1265 * Returns: A dbus message containing a STRING representing the current
1268 * Handler function for "state" method call.
1270 DBusMessage * wpas_dbus_iface_get_state(DBusMessage *message,
1271 struct wpa_supplicant *wpa_s)
1273 DBusMessage *reply = NULL;
1274 const char *str_state;
1276 reply = dbus_message_new_method_return(message);
1277 if (reply != NULL) {
1278 str_state = wpa_supplicant_state_txt(wpa_s->wpa_state);
1279 dbus_message_append_args(reply, DBUS_TYPE_STRING, &str_state,
1288 * wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
1289 * @message: Pointer to incoming dbus message
1290 * @wpa_s: %wpa_supplicant data structure
1291 * Returns: A dbus message containing a UINT32 indicating success (1) or
1294 * Asks wpa_supplicant to internally store a one or more binary blobs.
1296 DBusMessage * wpas_dbus_iface_set_blobs(DBusMessage *message,
1297 struct wpa_supplicant *wpa_s)
1299 DBusMessage *reply = NULL;
1300 struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
1301 DBusMessageIter iter, iter_dict;
1303 dbus_message_iter_init(message, &iter);
1305 if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
1306 return wpas_dbus_new_invalid_opts_error(message, NULL);
1308 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
1309 struct wpa_config_blob *blob;
1311 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
1312 reply = wpas_dbus_new_invalid_opts_error(message,
1317 if (entry.type != DBUS_TYPE_ARRAY ||
1318 entry.array_type != DBUS_TYPE_BYTE) {
1319 reply = wpas_dbus_new_invalid_opts_error(
1320 message, "Byte array expected.");
1324 if ((entry.array_len <= 0) || (entry.array_len > 65536) ||
1325 !strlen(entry.key)) {
1326 reply = wpas_dbus_new_invalid_opts_error(
1327 message, "Invalid array size.");
1331 blob = os_zalloc(sizeof(*blob));
1333 reply = dbus_message_new_error(
1334 message, WPAS_ERROR_ADD_ERROR,
1335 "Not enough memory to add blob.");
1338 blob->data = os_zalloc(entry.array_len);
1339 if (blob->data == NULL) {
1340 reply = dbus_message_new_error(
1341 message, WPAS_ERROR_ADD_ERROR,
1342 "Not enough memory to add blob data.");
1347 blob->name = os_strdup(entry.key);
1348 blob->len = entry.array_len;
1349 os_memcpy(blob->data, (u8 *) entry.bytearray_value,
1351 if (blob->name == NULL || blob->data == NULL) {
1352 wpa_config_free_blob(blob);
1353 reply = dbus_message_new_error(
1354 message, WPAS_ERROR_ADD_ERROR,
1355 "Error adding blob.");
1360 wpa_config_remove_blob(wpa_s->conf, blob->name);
1361 wpa_config_set_blob(wpa_s->conf, blob);
1362 wpa_dbus_dict_entry_clear(&entry);
1364 wpa_dbus_dict_entry_clear(&entry);
1366 return reply ? reply : wpas_dbus_new_success_reply(message);
1371 * wpas_dbus_iface_remove_blob - Remove named binary blobs
1372 * @message: Pointer to incoming dbus message
1373 * @wpa_s: %wpa_supplicant data structure
1374 * Returns: A dbus message containing a UINT32 indicating success (1) or
1377 * Asks wpa_supplicant to remove one or more previously stored binary blobs.
1379 DBusMessage * wpas_dbus_iface_remove_blobs(DBusMessage *message,
1380 struct wpa_supplicant *wpa_s)
1382 DBusMessageIter iter, array;
1383 char *err_msg = NULL;
1385 dbus_message_iter_init(message, &iter);
1387 if ((dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY) ||
1388 (dbus_message_iter_get_element_type (&iter) != DBUS_TYPE_STRING))
1389 return wpas_dbus_new_invalid_opts_error(message, NULL);
1391 dbus_message_iter_recurse(&iter, &array);
1392 while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_STRING) {
1395 dbus_message_iter_get_basic(&array, &name);
1397 err_msg = "Invalid blob name.";
1399 if (wpa_config_remove_blob(wpa_s->conf, name) != 0)
1400 err_msg = "Error removing blob.";
1401 dbus_message_iter_next(&array);
1405 return dbus_message_new_error(message, WPAS_ERROR_REMOVE_ERROR,
1409 return wpas_dbus_new_success_reply(message);