2 * wpa_supplicant / WPS integration
3 * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
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.
20 #include "crypto/dh_group5.h"
21 #include "common/ieee802_11_defs.h"
22 #include "common/ieee802_11_common.h"
23 #include "common/wpa_common.h"
24 #include "common/wpa_ctrl.h"
25 #include "eap_common/eap_wsc_common.h"
26 #include "eap_peer/eap.h"
27 #include "rsn_supp/wpa.h"
29 #include "wpa_supplicant_i.h"
32 #include "blacklist.h"
37 #include "p2p_supplicant.h"
38 #include "wps_supplicant.h"
41 #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
42 #define WPS_PIN_SCAN_IGNORE_SEL_REG 3
43 #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
45 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
46 static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
49 int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
51 if (!wpa_s->wps_success &&
52 wpa_s->current_ssid &&
53 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
54 const u8 *bssid = wpa_s->bssid;
55 if (is_zero_ether_addr(bssid))
56 bssid = wpa_s->pending_bssid;
58 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
59 " did not succeed - continue trying to find "
60 "suitable AP", MAC2STR(bssid));
61 wpa_blacklist_add(wpa_s, bssid);
63 wpa_supplicant_deauthenticate(wpa_s,
64 WLAN_REASON_DEAUTH_LEAVING);
65 wpa_s->reassociate = 1;
66 wpa_supplicant_req_scan(wpa_s,
67 wpa_s->blacklist_cleared ? 5 : 0, 0);
68 wpa_s->blacklist_cleared = 0;
72 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
74 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
75 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
76 int disabled = wpa_s->current_ssid->disabled;
77 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
78 "try to associate with the received credential");
79 wpa_supplicant_deauthenticate(wpa_s,
80 WLAN_REASON_DEAUTH_LEAVING);
82 wpa_printf(MSG_DEBUG, "WPS: Current network is "
83 "disabled - wait for user to enable");
87 wpa_s->wps_freq = wpa_s->assoc_freq;
88 wpa_s->reassociate = 1;
89 wpa_supplicant_req_scan(wpa_s, 0, 0);
93 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
94 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
95 "for external credential processing");
96 wpas_clear_wps(wpa_s);
97 wpa_supplicant_deauthenticate(wpa_s,
98 WLAN_REASON_DEAUTH_LEAVING);
106 static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
107 struct wpa_ssid *ssid,
108 const struct wps_credential *cred)
110 struct wpa_driver_capa capa;
113 struct wpa_ie_data adv;
114 int wpa2 = 0, ccmp = 0;
117 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
118 * case they are configured for mixed mode operation (WPA+WPA2 and
119 * TKIP+CCMP). Try to use scan results to figure out whether the AP
120 * actually supports stronger security and select that if the client
121 * has support for it, too.
124 if (wpa_drv_get_capa(wpa_s, &capa))
125 return; /* Unknown what driver supports */
127 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
129 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
130 "table - use credential as-is");
134 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
136 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
137 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
139 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
142 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
143 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
144 adv.pairwise_cipher & WPA_CIPHER_CCMP)
148 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
149 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
151 * TODO: This could be the initial AP configuration and the
152 * Beacon contents could change shortly. Should request a new
153 * scan and delay addition of the network until the updated
154 * scan results are available.
156 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
157 "support - use credential as-is");
161 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
162 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
163 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
164 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
165 "based on scan results");
166 if (wpa_s->conf->ap_scan == 1)
167 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
169 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
172 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
173 (ssid->proto & WPA_PROTO_WPA) &&
174 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
175 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
176 "based on scan results");
177 if (wpa_s->conf->ap_scan == 1)
178 ssid->proto |= WPA_PROTO_RSN;
180 ssid->proto = WPA_PROTO_RSN;
185 static int wpa_supplicant_wps_cred(void *ctx,
186 const struct wps_credential *cred)
188 struct wpa_supplicant *wpa_s = ctx;
189 struct wpa_ssid *ssid = wpa_s->current_ssid;
194 if ((wpa_s->conf->wps_cred_processing == 1 ||
195 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
196 size_t blen = cred->cred_attr_len * 2 + 1;
197 char *buf = os_malloc(blen);
199 wpa_snprintf_hex(buf, blen,
200 cred->cred_attr, cred->cred_attr_len);
201 wpa_msg(wpa_s, MSG_INFO, "%s%s",
202 WPS_EVENT_CRED_RECEIVED, buf);
206 wpas_notify_wps_credential(wpa_s, cred);
208 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
210 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
211 cred->cred_attr, cred->cred_attr_len);
213 if (wpa_s->conf->wps_cred_processing == 1)
216 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
217 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
219 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
220 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
221 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
222 cred->key, cred->key_len);
223 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
224 MAC2STR(cred->mac_addr));
226 auth_type = cred->auth_type;
227 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
228 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
229 "auth_type into WPA2PSK");
230 auth_type = WPS_AUTH_WPA2PSK;
233 if (auth_type != WPS_AUTH_OPEN &&
234 auth_type != WPS_AUTH_SHARED &&
235 auth_type != WPS_AUTH_WPAPSK &&
236 auth_type != WPS_AUTH_WPA2PSK) {
237 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
238 "unsupported authentication type 0x%x",
243 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
244 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
245 "on the received credential");
246 if (ssid->eap.identity &&
247 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
248 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
249 WSC_ID_REGISTRAR_LEN) == 0)
251 os_free(ssid->eap.identity);
252 ssid->eap.identity = NULL;
253 ssid->eap.identity_len = 0;
254 os_free(ssid->eap.phase1);
255 ssid->eap.phase1 = NULL;
256 os_free(ssid->eap.eap_methods);
257 ssid->eap.eap_methods = NULL;
258 if (!ssid->p2p_group)
261 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
262 "received credential");
263 ssid = wpa_config_add_network(wpa_s->conf);
266 wpas_notify_network_added(wpa_s, ssid);
269 wpa_config_set_network_defaults(ssid);
272 ssid->ssid = os_malloc(cred->ssid_len);
274 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
275 ssid->ssid_len = cred->ssid_len;
278 switch (cred->encr_type) {
282 if (cred->key_len <= 0)
284 if (cred->key_len != 5 && cred->key_len != 13 &&
285 cred->key_len != 10 && cred->key_len != 26) {
286 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
287 "%lu", (unsigned long) cred->key_len);
290 if (cred->key_idx > NUM_WEP_KEYS) {
291 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
296 key_idx = cred->key_idx - 1;
297 if (cred->key_len == 10 || cred->key_len == 26) {
298 if (hexstr2bin((char *) cred->key,
299 ssid->wep_key[key_idx],
300 cred->key_len / 2) < 0) {
301 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
305 ssid->wep_key_len[key_idx] = cred->key_len / 2;
307 os_memcpy(ssid->wep_key[key_idx], cred->key,
309 ssid->wep_key_len[key_idx] = cred->key_len;
311 ssid->wep_tx_keyidx = key_idx;
314 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
317 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
323 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
324 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
326 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
328 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
329 "id=%d - Credentials for an open "
330 "network disabled by default - use "
331 "'select_network %d' to enable",
335 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
337 case WPS_AUTH_SHARED:
338 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
339 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
342 case WPS_AUTH_WPAPSK:
343 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
344 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
345 ssid->proto = WPA_PROTO_WPA;
348 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
349 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
350 ssid->proto = WPA_PROTO_WPA;
353 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
354 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
355 ssid->proto = WPA_PROTO_RSN;
357 case WPS_AUTH_WPA2PSK:
358 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
359 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
360 ssid->proto = WPA_PROTO_RSN;
364 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
365 if (cred->key_len == 2 * PMK_LEN) {
366 if (hexstr2bin((const char *) cred->key, ssid->psk,
368 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
373 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
374 os_free(ssid->passphrase);
375 ssid->passphrase = os_malloc(cred->key_len + 1);
376 if (ssid->passphrase == NULL)
378 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
379 ssid->passphrase[cred->key_len] = '\0';
380 wpa_config_update_psk(ssid);
382 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
384 (unsigned long) cred->key_len);
389 wpas_wps_security_workaround(wpa_s, ssid, cred);
391 #ifndef CONFIG_NO_CONFIG_WRITE
392 if (wpa_s->conf->update_config &&
393 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
394 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
397 #endif /* CONFIG_NO_CONFIG_WRITE */
403 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
404 struct wps_event_m2d *m2d)
406 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
407 "dev_password_id=%d config_error=%d",
408 m2d->dev_password_id, m2d->config_error);
409 wpas_notify_wps_event_m2d(wpa_s, m2d);
413 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
414 struct wps_event_fail *fail)
416 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d config_error=%d",
417 fail->msg, fail->config_error);
418 if (wpa_s->parent && wpa_s->parent != wpa_s)
419 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
420 "msg=%d config_error=%d",
421 fail->msg, fail->config_error);
422 wpas_clear_wps(wpa_s);
423 wpas_notify_wps_event_fail(wpa_s, fail);
427 static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
429 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
430 wpa_s->wps_success = 1;
431 wpas_notify_wps_event_success(wpa_s);
433 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
434 #endif /* CONFIG_P2P */
438 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
439 struct wps_event_er_ap *ap)
442 char dev_type[WPS_DEV_TYPE_BUFSIZE];
444 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
445 if (ap->pri_dev_type)
446 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
451 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
452 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
453 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
454 ap->friendly_name ? ap->friendly_name : "",
455 ap->manufacturer ? ap->manufacturer : "",
456 ap->model_description ? ap->model_description : "",
457 ap->model_name ? ap->model_name : "",
458 ap->manufacturer_url ? ap->manufacturer_url : "",
459 ap->model_url ? ap->model_url : "");
463 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
464 struct wps_event_er_ap *ap)
467 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
468 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
472 static void wpa_supplicant_wps_event_er_enrollee_add(
473 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
476 char dev_type[WPS_DEV_TYPE_BUFSIZE];
478 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
479 if (enrollee->pri_dev_type)
480 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
485 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
486 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
488 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
489 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
490 enrollee->dev_name ? enrollee->dev_name : "",
491 enrollee->manufacturer ? enrollee->manufacturer : "",
492 enrollee->model_name ? enrollee->model_name : "",
493 enrollee->model_number ? enrollee->model_number : "",
494 enrollee->serial_number ? enrollee->serial_number : "");
498 static void wpa_supplicant_wps_event_er_enrollee_remove(
499 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
502 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
503 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
504 uuid_str, MAC2STR(enrollee->mac_addr));
508 static void wpa_supplicant_wps_event_er_ap_settings(
509 struct wpa_supplicant *wpa_s,
510 struct wps_event_er_ap_settings *ap_settings)
514 const struct wps_credential *cred = ap_settings->cred;
517 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
518 if (cred->key_len >= 8 && cred->key_len <= 64) {
519 os_memcpy(key_str, cred->key, cred->key_len);
520 key_str[cred->key_len] = '\0';
524 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
525 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
526 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
527 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
529 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
530 cred->auth_type, cred->encr_type, key_str);
534 static void wpa_supplicant_wps_event_er_set_sel_reg(
535 struct wpa_supplicant *wpa_s,
536 struct wps_event_er_set_selected_registrar *ev)
540 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
542 case WPS_ER_SET_SEL_REG_START:
543 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
544 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
545 "sel_reg_config_methods=0x%x",
546 uuid_str, ev->sel_reg, ev->dev_passwd_id,
547 ev->sel_reg_config_methods);
549 case WPS_ER_SET_SEL_REG_DONE:
550 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
551 "uuid=%s state=DONE", uuid_str);
553 case WPS_ER_SET_SEL_REG_FAILED:
554 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
555 "uuid=%s state=FAILED", uuid_str);
561 static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
562 union wps_event_data *data)
564 struct wpa_supplicant *wpa_s = ctx;
567 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
570 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
573 wpa_supplicant_wps_event_success(wpa_s);
575 case WPS_EV_PWD_AUTH_FAIL:
577 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
578 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
579 #endif /* CONFIG_AP */
581 case WPS_EV_PBC_OVERLAP:
583 case WPS_EV_PBC_TIMEOUT:
585 case WPS_EV_ER_AP_ADD:
586 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
588 case WPS_EV_ER_AP_REMOVE:
589 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
591 case WPS_EV_ER_ENROLLEE_ADD:
592 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
595 case WPS_EV_ER_ENROLLEE_REMOVE:
596 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
599 case WPS_EV_ER_AP_SETTINGS:
600 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
603 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
604 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
611 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
613 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
614 eap_is_wps_pin_enrollee(&ssid->eap))
615 return WPS_REQ_ENROLLEE;
617 return WPS_REQ_REGISTRAR;
621 static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
624 struct wpa_ssid *ssid, *remove_ssid = NULL;
626 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
628 /* Remove any existing WPS network from configuration */
629 ssid = wpa_s->conf->ssid;
631 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
632 if (ssid == wpa_s->current_ssid) {
633 wpa_s->current_ssid = NULL;
635 wpas_notify_network_changed(wpa_s);
643 wpas_notify_network_removed(wpa_s, remove_ssid);
644 wpa_config_remove_network(wpa_s->conf, id);
650 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
652 struct wpa_supplicant *wpa_s = eloop_ctx;
653 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
655 wpas_clear_wps(wpa_s);
659 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
660 int registrar, const u8 *bssid)
662 struct wpa_ssid *ssid;
664 ssid = wpa_config_add_network(wpa_s->conf);
667 wpas_notify_network_added(wpa_s, ssid);
668 wpa_config_set_network_defaults(ssid);
670 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
671 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
672 wpa_config_set(ssid, "identity", registrar ?
673 "\"" WSC_ID_REGISTRAR "\"" :
674 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
675 wpas_notify_network_removed(wpa_s, ssid);
676 wpa_config_remove_network(wpa_s->conf, ssid->id);
684 #endif /* CONFIG_P2P */
686 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
690 * Note: With P2P, the SSID may change at the time the WPS
691 * provisioning is started, so better not filter the AP based
692 * on the current SSID in the scan results.
695 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
696 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
700 ssid->ssid = os_malloc(bss->ssid_len);
701 if (ssid->ssid == NULL)
703 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
704 ssid->ssid_len = bss->ssid_len;
705 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
707 ssid->ssid, ssid->ssid_len);
712 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
713 "for the AP; use wildcard");
718 #endif /* CONFIG_P2P */
725 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
726 struct wpa_ssid *selected)
728 struct wpa_ssid *ssid;
730 /* Mark all other networks disabled and trigger reassociation */
731 ssid = wpa_s->conf->ssid;
733 int was_disabled = ssid->disabled;
734 ssid->disabled = ssid != selected;
735 if (was_disabled != ssid->disabled)
736 wpas_notify_network_enabled_changed(wpa_s, ssid);
739 wpa_s->disconnected = 0;
740 wpa_s->reassociate = 1;
741 wpa_s->scan_runs = 0;
742 wpa_s->wps_success = 0;
743 wpa_s->blacklist_cleared = 0;
744 wpa_supplicant_req_scan(wpa_s, 0, 0);
748 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
751 struct wpa_ssid *ssid;
752 wpas_clear_wps(wpa_s);
753 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
757 ssid->p2p_group = p2p_group;
759 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
760 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
762 ssid->ssid_len = wpa_s->go_params->ssid_len;
763 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
765 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
766 "SSID", ssid->ssid, ssid->ssid_len);
769 #endif /* CONFIG_P2P */
770 wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
771 if (wpa_s->wps_fragment_size)
772 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
773 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
775 wpas_wps_reassoc(wpa_s, ssid);
780 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
781 const char *pin, int p2p_group, u16 dev_pw_id)
783 struct wpa_ssid *ssid;
785 unsigned int rpin = 0;
787 wpas_clear_wps(wpa_s);
788 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
792 ssid->p2p_group = p2p_group;
794 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
795 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
797 ssid->ssid_len = wpa_s->go_params->ssid_len;
798 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
800 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
801 "SSID", ssid->ssid, ssid->ssid_len);
804 #endif /* CONFIG_P2P */
806 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
809 rpin = wps_generate_pin();
810 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
813 wpa_config_set(ssid, "phase1", val, 0);
814 if (wpa_s->wps_fragment_size)
815 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
816 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
818 wpas_wps_reassoc(wpa_s, ssid);
823 /* Cancel the wps pbc/pin requests */
824 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
827 if (wpa_s->ap_iface) {
828 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
829 return wpa_supplicant_ap_wps_cancel(wpa_s);
831 #endif /* CONFIG_AP */
833 if (wpa_s->wpa_state == WPA_SCANNING) {
834 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
835 wpa_supplicant_cancel_scan(wpa_s);
836 wpas_clear_wps(wpa_s);
837 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
838 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
840 wpa_supplicant_deauthenticate(wpa_s,
841 WLAN_REASON_DEAUTH_LEAVING);
842 wpas_clear_wps(wpa_s);
849 #ifdef CONFIG_WPS_OOB
850 int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
851 char *path, char *method, char *name)
853 struct wps_context *wps = wpa_s->wps;
854 struct oob_device_data *oob_dev;
856 oob_dev = wps_get_oob_device(device_type);
859 oob_dev->device_path = path;
860 oob_dev->device_name = name;
861 wps->oob_conf.oob_method = wps_get_oob_method(method);
863 if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
865 * Use pre-configured DH keys in order to be able to write the
866 * key hash into the OOB file.
868 wpabuf_free(wps->dh_pubkey);
869 wpabuf_free(wps->dh_privkey);
870 wps->dh_privkey = NULL;
871 wps->dh_pubkey = NULL;
872 dh5_free(wps->dh_ctx);
873 wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
874 wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
875 if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
876 wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
877 "Diffie-Hellman handshake");
882 if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
883 wpas_clear_wps(wpa_s);
885 if (wps_process_oob(wps, oob_dev, 0) < 0)
888 if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
889 wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
890 wpas_wps_start_pin(wpa_s, NULL,
891 wpabuf_head(wps->oob_conf.dev_password), 0,
897 #endif /* CONFIG_WPS_OOB */
900 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
901 const char *pin, struct wps_new_ap_settings *settings)
903 struct wpa_ssid *ssid;
910 wpas_clear_wps(wpa_s);
911 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
916 end = pos + sizeof(val);
917 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
918 if (res < 0 || res >= end - pos)
922 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
923 "new_encr=%s new_key=%s",
924 settings->ssid_hex, settings->auth,
925 settings->encr, settings->key_hex);
926 if (res < 0 || res >= end - pos)
930 res = os_snprintf(pos, end - pos, "\"");
931 if (res < 0 || res >= end - pos)
933 wpa_config_set(ssid, "phase1", val, 0);
934 if (wpa_s->wps_fragment_size)
935 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
936 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
938 wpas_wps_reassoc(wpa_s, ssid);
943 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
946 wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
947 "STA " MACSTR, MAC2STR(mac_addr));
948 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
956 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
957 const struct wps_device_data *dev)
959 char uuid[40], txt[400];
961 char devtype[WPS_DEV_TYPE_BUFSIZE];
962 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
964 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
965 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
966 " [%s|%s|%s|%s|%s|%s]",
967 uuid, MAC2STR(dev->mac_addr), dev->device_name,
968 dev->manufacturer, dev->model_name,
969 dev->model_number, dev->serial_number,
970 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
972 if (len > 0 && len < (int) sizeof(txt))
973 wpa_printf(MSG_INFO, "%s", txt);
977 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
978 u16 sel_reg_config_methods)
981 struct wpa_supplicant *wpa_s = ctx;
983 if (wpa_s->wps_er == NULL)
985 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
986 "dev_password_id=%u sel_reg_config_methods=0x%x",
987 sel_reg, dev_passwd_id, sel_reg_config_methods);
988 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
989 sel_reg_config_methods);
990 #endif /* CONFIG_WPS_ER */
994 static u16 wps_fix_config_methods(u16 config_methods)
997 if ((config_methods &
998 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
999 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1000 wpa_printf(MSG_INFO, "WPS: Converting display to "
1001 "virtual_display for WPS 2.0 compliance");
1002 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1004 if ((config_methods &
1005 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1006 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1007 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1008 "virtual_push_button for WPS 2.0 compliance");
1009 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1011 #endif /* CONFIG_WPS2 */
1013 return config_methods;
1017 int wpas_wps_init(struct wpa_supplicant *wpa_s)
1019 struct wps_context *wps;
1020 struct wps_registrar_config rcfg;
1022 wps = os_zalloc(sizeof(*wps));
1026 wps->cred_cb = wpa_supplicant_wps_cred;
1027 wps->event_cb = wpa_supplicant_wps_event;
1028 wps->cb_ctx = wpa_s;
1030 wps->dev.device_name = wpa_s->conf->device_name;
1031 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1032 wps->dev.model_name = wpa_s->conf->model_name;
1033 wps->dev.model_number = wpa_s->conf->model_number;
1034 wps->dev.serial_number = wpa_s->conf->serial_number;
1035 wps->config_methods =
1036 wps_config_methods_str2bin(wpa_s->conf->config_methods);
1037 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1038 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1039 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1040 "methods are not allowed at the same time");
1044 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1045 if (wpa_s->conf->device_type &&
1046 wps_dev_type_str2bin(wpa_s->conf->device_type,
1047 wps->dev.pri_dev_type) < 0) {
1048 wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
1052 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1053 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
1054 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
1055 if (is_nil_uuid(wpa_s->conf->uuid)) {
1056 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1057 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address",
1058 wps->uuid, WPS_UUID_LEN);
1060 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1062 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1063 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1065 os_memset(&rcfg, 0, sizeof(rcfg));
1066 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1067 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
1068 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
1069 rcfg.cb_ctx = wpa_s;
1071 wps->registrar = wps_registrar_init(wps, &rcfg);
1072 if (wps->registrar == NULL) {
1073 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1084 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1086 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
1088 if (wpa_s->wps == NULL)
1091 #ifdef CONFIG_WPS_ER
1092 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1093 wpa_s->wps_er = NULL;
1094 #endif /* CONFIG_WPS_ER */
1096 wps_registrar_deinit(wpa_s->wps->registrar);
1097 wpabuf_free(wpa_s->wps->dh_pubkey);
1098 wpabuf_free(wpa_s->wps->dh_privkey);
1099 wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
1100 wpabuf_free(wpa_s->wps->oob_conf.dev_password);
1101 os_free(wpa_s->wps->network_key);
1102 os_free(wpa_s->wps);
1107 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
1108 struct wpa_ssid *ssid, struct wpa_scan_res *bss)
1110 struct wpabuf *wps_ie;
1112 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1115 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1116 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1118 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1122 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1123 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1124 "without active PBC Registrar");
1125 wpabuf_free(wps_ie);
1129 /* TODO: overlap detection */
1130 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1132 wpabuf_free(wps_ie);
1136 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1138 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1143 * Start with WPS APs that advertise our address as an
1144 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1145 * allow any WPS AP after couple of scans since some APs do not
1146 * set Selected Registrar attribute properly when using
1147 * external Registrar.
1149 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
1150 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1151 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1152 "without active PIN Registrar");
1153 wpabuf_free(wps_ie);
1156 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1158 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1159 "(Authorized MAC or Active PIN)");
1161 wpabuf_free(wps_ie);
1166 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1167 wpabuf_free(wps_ie);
1175 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1176 struct wpa_ssid *ssid,
1177 struct wpa_scan_res *bss)
1179 struct wpabuf *wps_ie = NULL;
1182 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1183 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1184 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1185 /* allow wildcard SSID for WPS PBC */
1188 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1189 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1191 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
1192 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
1193 /* allow wildcard SSID for WPS PIN */
1198 if (!ret && ssid->bssid_set &&
1199 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1200 /* allow wildcard SSID due to hardcoded BSSID match */
1204 #ifdef CONFIG_WPS_STRICT
1206 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1209 if (bss->beacon_ie_len) {
1210 struct wpabuf *bcn_wps;
1211 bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
1212 bss, WPS_IE_VENDOR_TYPE);
1213 if (bcn_wps == NULL) {
1214 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1215 "missing from AP Beacon");
1218 if (wps_validate_beacon(wps_ie) < 0)
1220 wpabuf_free(bcn_wps);
1224 #endif /* CONFIG_WPS_STRICT */
1226 wpabuf_free(wps_ie);
1232 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
1233 struct wpa_bss *selected, struct wpa_ssid *ssid)
1235 const u8 *sel_uuid, *uuid;
1236 struct wpabuf *wps_ie;
1238 struct wpa_bss *bss;
1240 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1243 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1244 "present in scan results; selected BSSID " MACSTR,
1245 MAC2STR(selected->bssid));
1247 /* Make sure that only one AP is in active PBC mode */
1248 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
1250 sel_uuid = wps_get_uuid_e(wps_ie);
1251 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1252 sel_uuid, UUID_LEN);
1254 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1259 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1261 if (bss == selected)
1263 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1266 if (!wps_is_selected_pbc_registrar(ie)) {
1270 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1271 MACSTR, MAC2STR(bss->bssid));
1272 uuid = wps_get_uuid_e(ie);
1273 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1275 if (sel_uuid == NULL || uuid == NULL ||
1276 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
1277 ret = 1; /* PBC overlap */
1278 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1279 MACSTR " and " MACSTR,
1280 MAC2STR(selected->bssid),
1281 MAC2STR(bss->bssid));
1286 /* TODO: verify that this is reasonable dual-band situation */
1291 wpabuf_free(wps_ie);
1297 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1299 struct wpa_bss *bss;
1301 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1304 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1306 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1309 if (wps_is_selected_pbc_registrar(ie))
1310 wpa_msg_ctrl(wpa_s, MSG_INFO,
1311 WPS_EVENT_AP_AVAILABLE_PBC);
1312 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1313 wpa_msg_ctrl(wpa_s, MSG_INFO,
1314 WPS_EVENT_AP_AVAILABLE_AUTH);
1315 else if (wps_is_selected_pin_registrar(ie))
1316 wpa_msg_ctrl(wpa_s, MSG_INFO,
1317 WPS_EVENT_AP_AVAILABLE_PIN);
1319 wpa_msg_ctrl(wpa_s, MSG_INFO,
1320 WPS_EVENT_AP_AVAILABLE);
1327 int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1329 struct wpa_ssid *ssid;
1331 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1332 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1340 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1343 struct wpabuf *wps_ie;
1346 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1350 ret = wps_attr_text(wps_ie, buf, end);
1351 wpabuf_free(wps_ie);
1356 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
1358 #ifdef CONFIG_WPS_ER
1359 if (wpa_s->wps_er) {
1360 wps_er_refresh(wpa_s->wps_er);
1363 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
1364 if (wpa_s->wps_er == NULL)
1367 #else /* CONFIG_WPS_ER */
1369 #endif /* CONFIG_WPS_ER */
1373 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1375 #ifdef CONFIG_WPS_ER
1376 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1377 wpa_s->wps_er = NULL;
1378 #endif /* CONFIG_WPS_ER */
1383 #ifdef CONFIG_WPS_ER
1384 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1385 const char *uuid, const char *pin)
1390 if (os_strcmp(uuid, "any") == 0)
1392 else if (uuid_str2bin(uuid, u))
1394 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1396 (const u8 *) pin, os_strlen(pin), 300);
1400 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1404 if (uuid_str2bin(uuid, u))
1406 return wps_er_pbc(wpa_s->wps_er, u);
1410 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1415 if (uuid_str2bin(uuid, u))
1417 return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
1422 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1426 struct wpa_ssid *ssid;
1427 struct wps_credential cred;
1429 if (uuid_str2bin(uuid, u))
1431 ssid = wpa_config_get_network(wpa_s->conf, id);
1432 if (ssid == NULL || ssid->ssid == NULL)
1435 os_memset(&cred, 0, sizeof(cred));
1436 if (ssid->ssid_len > 32)
1438 os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
1439 cred.ssid_len = ssid->ssid_len;
1440 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1441 cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1442 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1443 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1444 cred.encr_type = WPS_ENCR_AES;
1446 cred.encr_type = WPS_ENCR_TKIP;
1447 if (ssid->passphrase) {
1448 cred.key_len = os_strlen(ssid->passphrase);
1449 if (cred.key_len >= 64)
1451 os_memcpy(cred.key, ssid->passphrase, cred.key_len);
1452 } else if (ssid->psk_set) {
1454 os_memcpy(cred.key, ssid->psk, 32);
1458 cred.auth_type = WPS_AUTH_OPEN;
1459 cred.encr_type = WPS_ENCR_NONE;
1461 return wps_er_set_config(wpa_s->wps_er, u, &cred);
1465 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1466 const char *pin, struct wps_new_ap_settings *settings)
1469 struct wps_credential cred;
1472 if (uuid_str2bin(uuid, u))
1474 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1475 settings->encr == NULL || settings->key_hex == NULL)
1478 os_memset(&cred, 0, sizeof(cred));
1479 len = os_strlen(settings->ssid_hex);
1480 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1481 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1483 cred.ssid_len = len / 2;
1485 len = os_strlen(settings->key_hex);
1486 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1487 hexstr2bin(settings->key_hex, cred.key, len / 2))
1489 cred.key_len = len / 2;
1491 if (os_strcmp(settings->auth, "OPEN") == 0)
1492 cred.auth_type = WPS_AUTH_OPEN;
1493 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1494 cred.auth_type = WPS_AUTH_WPAPSK;
1495 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1496 cred.auth_type = WPS_AUTH_WPA2PSK;
1500 if (os_strcmp(settings->encr, "NONE") == 0)
1501 cred.encr_type = WPS_ENCR_NONE;
1502 else if (os_strcmp(settings->encr, "WEP") == 0)
1503 cred.encr_type = WPS_ENCR_WEP;
1504 else if (os_strcmp(settings->encr, "TKIP") == 0)
1505 cred.encr_type = WPS_ENCR_TKIP;
1506 else if (os_strcmp(settings->encr, "CCMP") == 0)
1507 cred.encr_type = WPS_ENCR_AES;
1511 return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
1512 os_strlen(pin), &cred);
1516 static void wpas_wps_terminate_cb(void *ctx)
1518 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1521 #endif /* CONFIG_WPS_ER */
1524 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1526 #ifdef CONFIG_WPS_ER
1527 if (wpa_s->wps_er) {
1528 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1529 wpa_s->wps_er = NULL;
1532 #endif /* CONFIG_WPS_ER */
1537 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
1539 struct wpa_ssid *ssid;
1541 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1542 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
1550 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
1552 struct wps_context *wps = wpa_s->wps;
1557 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
1558 wps->config_methods = wps_config_methods_str2bin(
1559 wpa_s->conf->config_methods);
1560 if ((wps->config_methods &
1561 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1562 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1563 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
1564 "config methods are not allowed at the "
1566 wps->config_methods &= ~WPS_CONFIG_LABEL;
1569 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1571 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
1572 if (wpa_s->conf->device_type &&
1573 wps_dev_type_str2bin(wpa_s->conf->device_type,
1574 wps->dev.pri_dev_type) < 0)
1575 wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
1578 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
1579 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1581 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) {
1582 if (is_nil_uuid(wpa_s->conf->uuid)) {
1583 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1584 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1585 "address", wps->uuid, WPS_UUID_LEN);
1587 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1590 if (wpa_s->conf->changed_parameters &
1591 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
1592 /* Update pointers to make sure they refer current values */
1593 wps->dev.device_name = wpa_s->conf->device_name;
1594 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1595 wps->dev.model_name = wpa_s->conf->model_name;
1596 wps->dev.model_number = wpa_s->conf->model_number;
1597 wps->dev.serial_number = wpa_s->conf->serial_number;