2 * wpa_supplicant / WPS integration
3 * Copyright (c) 2008-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
14 #include "crypto/random.h"
15 #include "crypto/dh_group5.h"
16 #include "common/ieee802_11_defs.h"
17 #include "common/ieee802_11_common.h"
18 #include "common/wpa_common.h"
19 #include "common/wpa_ctrl.h"
20 #include "eap_common/eap_wsc_common.h"
21 #include "eap_peer/eap.h"
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "rsn_supp/wpa.h"
24 #include "wps/wps_attr_parse.h"
26 #include "wpa_supplicant_i.h"
29 #include "blacklist.h"
34 #include "p2p_supplicant.h"
35 #include "wps_supplicant.h"
38 #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
39 #define WPS_PIN_SCAN_IGNORE_SEL_REG 3
40 #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
42 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
43 static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
46 static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
48 os_free(wpa_s->wps_ap);
50 wpa_s->num_wps_ap = 0;
51 wpa_s->wps_ap_iter = 0;
55 int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
57 if (!wpa_s->wps_success &&
58 wpa_s->current_ssid &&
59 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
60 const u8 *bssid = wpa_s->bssid;
61 if (is_zero_ether_addr(bssid))
62 bssid = wpa_s->pending_bssid;
64 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
65 " did not succeed - continue trying to find "
66 "suitable AP", MAC2STR(bssid));
67 wpa_blacklist_add(wpa_s, bssid);
69 wpa_supplicant_deauthenticate(wpa_s,
70 WLAN_REASON_DEAUTH_LEAVING);
71 wpa_s->reassociate = 1;
72 wpa_supplicant_req_scan(wpa_s,
73 wpa_s->blacklist_cleared ? 5 : 0, 0);
74 wpa_s->blacklist_cleared = 0;
78 wpas_wps_clear_ap_info(wpa_s);
79 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
80 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
81 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
83 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
84 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
85 int disabled = wpa_s->current_ssid->disabled;
86 unsigned int freq = wpa_s->assoc_freq;
88 struct wpa_ssid *ssid = NULL;
89 int use_fast_assoc = 0;
91 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
92 "try to associate with the received credential "
94 wpa_supplicant_deauthenticate(wpa_s,
95 WLAN_REASON_DEAUTH_LEAVING);
97 wpa_printf(MSG_DEBUG, "WPS: Current network is "
98 "disabled - wait for user to enable");
101 wpa_s->after_wps = 5;
102 wpa_s->wps_freq = freq;
103 wpa_s->normal_scans = 0;
104 wpa_s->reassociate = 1;
106 wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
107 "without a new scan can be used");
108 bss = wpa_supplicant_pick_network(wpa_s, &ssid);
111 struct wps_parse_attr attr;
113 wps = wpa_bss_get_vendor_ie_multi(bss,
115 if (wps && wps_parse_msg(wps, &attr) == 0 &&
117 *attr.wps_state == WPS_STATE_CONFIGURED)
122 if (!use_fast_assoc ||
123 wpa_supplicant_fast_associate(wpa_s) != 1)
124 wpa_supplicant_req_scan(wpa_s, 0, 0);
128 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
129 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
130 "for external credential processing");
131 wpas_clear_wps(wpa_s);
132 wpa_supplicant_deauthenticate(wpa_s,
133 WLAN_REASON_DEAUTH_LEAVING);
141 static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
142 struct wpa_ssid *ssid,
143 const struct wps_credential *cred)
145 struct wpa_driver_capa capa;
148 struct wpa_ie_data adv;
149 int wpa2 = 0, ccmp = 0;
152 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
153 * case they are configured for mixed mode operation (WPA+WPA2 and
154 * TKIP+CCMP). Try to use scan results to figure out whether the AP
155 * actually supports stronger security and select that if the client
156 * has support for it, too.
159 if (wpa_drv_get_capa(wpa_s, &capa))
160 return; /* Unknown what driver supports */
162 if (ssid->ssid == NULL)
164 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
166 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
167 "table - use credential as-is");
171 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
173 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
174 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
176 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
179 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
180 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
181 adv.pairwise_cipher & WPA_CIPHER_CCMP)
185 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
186 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
188 * TODO: This could be the initial AP configuration and the
189 * Beacon contents could change shortly. Should request a new
190 * scan and delay addition of the network until the updated
191 * scan results are available.
193 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
194 "support - use credential as-is");
198 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
199 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
200 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
201 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
202 "based on scan results");
203 if (wpa_s->conf->ap_scan == 1)
204 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
206 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
209 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
210 (ssid->proto & WPA_PROTO_WPA) &&
211 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
212 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
213 "based on scan results");
214 if (wpa_s->conf->ap_scan == 1)
215 ssid->proto |= WPA_PROTO_RSN;
217 ssid->proto = WPA_PROTO_RSN;
222 static int wpa_supplicant_wps_cred(void *ctx,
223 const struct wps_credential *cred)
225 struct wpa_supplicant *wpa_s = ctx;
226 struct wpa_ssid *ssid = wpa_s->current_ssid;
229 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
231 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
233 if ((wpa_s->conf->wps_cred_processing == 1 ||
234 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
235 size_t blen = cred->cred_attr_len * 2 + 1;
236 char *buf = os_malloc(blen);
238 wpa_snprintf_hex(buf, blen,
239 cred->cred_attr, cred->cred_attr_len);
240 wpa_msg(wpa_s, MSG_INFO, "%s%s",
241 WPS_EVENT_CRED_RECEIVED, buf);
245 wpas_notify_wps_credential(wpa_s, cred);
247 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
249 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
250 cred->cred_attr, cred->cred_attr_len);
252 if (wpa_s->conf->wps_cred_processing == 1)
255 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
256 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
258 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
259 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
260 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
261 cred->key, cred->key_len);
262 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
263 MAC2STR(cred->mac_addr));
265 auth_type = cred->auth_type;
266 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
267 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
268 "auth_type into WPA2PSK");
269 auth_type = WPS_AUTH_WPA2PSK;
272 if (auth_type != WPS_AUTH_OPEN &&
273 auth_type != WPS_AUTH_SHARED &&
274 auth_type != WPS_AUTH_WPAPSK &&
275 auth_type != WPS_AUTH_WPA2PSK) {
276 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
277 "unsupported authentication type 0x%x",
282 if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
283 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
284 wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
285 "invalid Network Key length %lu",
286 (unsigned long) cred->key_len);
291 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
292 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
293 "on the received credential");
294 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
295 if (ssid->eap.identity &&
296 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
297 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
298 WSC_ID_REGISTRAR_LEN) == 0)
300 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
301 os_free(ssid->eap.identity);
302 ssid->eap.identity = NULL;
303 ssid->eap.identity_len = 0;
304 os_free(ssid->eap.phase1);
305 ssid->eap.phase1 = NULL;
306 os_free(ssid->eap.eap_methods);
307 ssid->eap.eap_methods = NULL;
308 if (!ssid->p2p_group) {
312 ssid->disabled_until.sec = 0;
313 ssid->disabled_until.usec = 0;
314 ssid->auth_failures = 0;
316 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
317 "received credential");
318 ssid = wpa_config_add_network(wpa_s->conf);
321 wpas_notify_network_added(wpa_s, ssid);
324 wpa_config_set_network_defaults(ssid);
327 ssid->ssid = os_malloc(cred->ssid_len);
329 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
330 ssid->ssid_len = cred->ssid_len;
333 switch (cred->encr_type) {
337 if (cred->key_len <= 0)
339 if (cred->key_len != 5 && cred->key_len != 13 &&
340 cred->key_len != 10 && cred->key_len != 26) {
341 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
342 "%lu", (unsigned long) cred->key_len);
345 if (cred->key_idx > NUM_WEP_KEYS) {
346 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
351 key_idx = cred->key_idx - 1;
352 if (cred->key_len == 10 || cred->key_len == 26) {
353 if (hexstr2bin((char *) cred->key,
354 ssid->wep_key[key_idx],
355 cred->key_len / 2) < 0) {
356 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
360 ssid->wep_key_len[key_idx] = cred->key_len / 2;
362 os_memcpy(ssid->wep_key[key_idx], cred->key,
364 ssid->wep_key_len[key_idx] = cred->key_len;
366 ssid->wep_tx_keyidx = key_idx;
369 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
372 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
378 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
379 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
381 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
383 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
384 "id=%d - Credentials for an open "
385 "network disabled by default - use "
386 "'select_network %d' to enable",
390 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
392 case WPS_AUTH_SHARED:
393 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
394 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
397 case WPS_AUTH_WPAPSK:
398 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
399 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
400 ssid->proto = WPA_PROTO_WPA;
402 case WPS_AUTH_WPA2PSK:
403 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
404 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
405 ssid->proto = WPA_PROTO_RSN;
409 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
410 if (cred->key_len == 2 * PMK_LEN) {
411 if (hexstr2bin((const char *) cred->key, ssid->psk,
413 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
418 ssid->export_keys = 1;
419 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
420 os_free(ssid->passphrase);
421 ssid->passphrase = os_malloc(cred->key_len + 1);
422 if (ssid->passphrase == NULL)
424 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
425 ssid->passphrase[cred->key_len] = '\0';
426 wpa_config_update_psk(ssid);
427 ssid->export_keys = 1;
429 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
431 (unsigned long) cred->key_len);
436 wpas_wps_security_workaround(wpa_s, ssid, cred);
438 if (cred->ap_channel)
439 wpa_s->wps_ap_channel = cred->ap_channel;
441 #ifndef CONFIG_NO_CONFIG_WRITE
442 if (wpa_s->conf->update_config &&
443 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
444 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
447 #endif /* CONFIG_NO_CONFIG_WRITE */
450 * Optimize the post-WPS scan based on the channel used during
451 * the provisioning in case EAP-Failure is not received.
453 wpa_s->after_wps = 5;
454 wpa_s->wps_freq = wpa_s->assoc_freq;
461 static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
463 struct wpa_supplicant *wpa_s = eloop_ctx;
464 wpas_p2p_notif_pbc_overlap(wpa_s);
466 #endif /* CONFIG_P2P */
469 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
470 struct wps_event_m2d *m2d)
472 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
473 "dev_password_id=%d config_error=%d",
474 m2d->dev_password_id, m2d->config_error);
475 wpas_notify_wps_event_m2d(wpa_s, m2d);
477 if (wpa_s->parent && wpa_s->parent != wpa_s) {
478 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
479 "dev_password_id=%d config_error=%d",
480 m2d->dev_password_id, m2d->config_error);
482 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
484 * Notify P2P from eloop timeout to avoid issues with the
485 * interface getting removed while processing a message.
487 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
490 #endif /* CONFIG_P2P */
494 static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
495 "No Error", /* WPS_EI_NO_ERROR */
496 "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
497 "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
500 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
501 struct wps_event_fail *fail)
503 if (fail->error_indication > 0 &&
504 fail->error_indication < NUM_WPS_EI_VALUES) {
505 wpa_msg(wpa_s, MSG_INFO,
506 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
507 fail->msg, fail->config_error, fail->error_indication,
508 wps_event_fail_reason[fail->error_indication]);
509 if (wpa_s->parent && wpa_s->parent != wpa_s)
510 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
511 "msg=%d config_error=%d reason=%d (%s)",
512 fail->msg, fail->config_error,
513 fail->error_indication,
514 wps_event_fail_reason[fail->error_indication]);
516 wpa_msg(wpa_s, MSG_INFO,
517 WPS_EVENT_FAIL "msg=%d config_error=%d",
518 fail->msg, fail->config_error);
519 if (wpa_s->parent && wpa_s->parent != wpa_s)
520 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
521 "msg=%d config_error=%d",
522 fail->msg, fail->config_error);
524 wpas_clear_wps(wpa_s);
525 wpas_notify_wps_event_fail(wpa_s, fail);
527 wpas_p2p_wps_failed(wpa_s, fail);
528 #endif /* CONFIG_P2P */
532 static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
534 static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
536 struct wpa_ssid *ssid;
539 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
541 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
542 if (ssid->disabled_for_connect && ssid->disabled) {
543 ssid->disabled_for_connect = 0;
545 wpas_notify_network_enabled_changed(wpa_s, ssid);
551 #ifndef CONFIG_NO_CONFIG_WRITE
552 if (wpa_s->conf->update_config &&
553 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
554 wpa_printf(MSG_DEBUG, "WPS: Failed to update "
557 #endif /* CONFIG_NO_CONFIG_WRITE */
562 static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
564 struct wpa_supplicant *wpa_s = eloop_ctx;
565 /* Enable the networks disabled during wpas_wps_reassoc */
566 wpas_wps_reenable_networks(wpa_s);
570 static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
572 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
573 wpa_s->wps_success = 1;
574 wpas_notify_wps_event_success(wpa_s);
577 * Enable the networks disabled during wpas_wps_reassoc after 10
578 * seconds. The 10 seconds timer is to allow the data connection to be
579 * formed before allowing other networks to be selected.
581 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
585 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
586 #endif /* CONFIG_P2P */
590 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
591 struct wps_event_er_ap *ap)
594 char dev_type[WPS_DEV_TYPE_BUFSIZE];
596 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
597 if (ap->pri_dev_type)
598 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
603 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
604 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
605 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
606 ap->friendly_name ? ap->friendly_name : "",
607 ap->manufacturer ? ap->manufacturer : "",
608 ap->model_description ? ap->model_description : "",
609 ap->model_name ? ap->model_name : "",
610 ap->manufacturer_url ? ap->manufacturer_url : "",
611 ap->model_url ? ap->model_url : "");
615 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
616 struct wps_event_er_ap *ap)
619 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
620 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
624 static void wpa_supplicant_wps_event_er_enrollee_add(
625 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
628 char dev_type[WPS_DEV_TYPE_BUFSIZE];
630 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
631 if (enrollee->pri_dev_type)
632 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
637 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
638 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
640 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
641 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
642 enrollee->dev_name ? enrollee->dev_name : "",
643 enrollee->manufacturer ? enrollee->manufacturer : "",
644 enrollee->model_name ? enrollee->model_name : "",
645 enrollee->model_number ? enrollee->model_number : "",
646 enrollee->serial_number ? enrollee->serial_number : "");
650 static void wpa_supplicant_wps_event_er_enrollee_remove(
651 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
654 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
655 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
656 uuid_str, MAC2STR(enrollee->mac_addr));
660 static void wpa_supplicant_wps_event_er_ap_settings(
661 struct wpa_supplicant *wpa_s,
662 struct wps_event_er_ap_settings *ap_settings)
666 const struct wps_credential *cred = ap_settings->cred;
669 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
670 if (cred->key_len >= 8 && cred->key_len <= 64) {
671 os_memcpy(key_str, cred->key, cred->key_len);
672 key_str[cred->key_len] = '\0';
676 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
677 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
678 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
679 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
681 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
682 cred->auth_type, cred->encr_type, key_str);
686 static void wpa_supplicant_wps_event_er_set_sel_reg(
687 struct wpa_supplicant *wpa_s,
688 struct wps_event_er_set_selected_registrar *ev)
692 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
694 case WPS_ER_SET_SEL_REG_START:
695 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
696 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
697 "sel_reg_config_methods=0x%x",
698 uuid_str, ev->sel_reg, ev->dev_passwd_id,
699 ev->sel_reg_config_methods);
701 case WPS_ER_SET_SEL_REG_DONE:
702 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
703 "uuid=%s state=DONE", uuid_str);
705 case WPS_ER_SET_SEL_REG_FAILED:
706 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
707 "uuid=%s state=FAILED", uuid_str);
713 static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
714 union wps_event_data *data)
716 struct wpa_supplicant *wpa_s = ctx;
719 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
722 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
725 wpa_supplicant_wps_event_success(wpa_s);
727 case WPS_EV_PWD_AUTH_FAIL:
729 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
730 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
731 #endif /* CONFIG_AP */
733 case WPS_EV_PBC_OVERLAP:
735 case WPS_EV_PBC_TIMEOUT:
737 case WPS_EV_ER_AP_ADD:
738 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
740 case WPS_EV_ER_AP_REMOVE:
741 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
743 case WPS_EV_ER_ENROLLEE_ADD:
744 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
747 case WPS_EV_ER_ENROLLEE_REMOVE:
748 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
751 case WPS_EV_ER_AP_SETTINGS:
752 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
755 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
756 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
759 case WPS_EV_AP_PIN_SUCCESS:
765 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
767 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
768 eap_is_wps_pin_enrollee(&ssid->eap))
769 return WPS_REQ_ENROLLEE;
771 return WPS_REQ_REGISTRAR;
775 static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
778 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
780 prev_current = wpa_s->current_ssid;
782 /* Enable the networks disabled during wpas_wps_reassoc */
783 wpas_wps_reenable_networks(wpa_s);
785 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
787 /* Remove any existing WPS network from configuration */
788 ssid = wpa_s->conf->ssid;
790 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
791 if (ssid == wpa_s->current_ssid) {
792 wpa_s->current_ssid = NULL;
794 wpas_notify_network_changed(wpa_s);
802 if (prev_current == remove_ssid) {
803 wpa_sm_set_config(wpa_s->wpa, NULL);
804 eapol_sm_notify_config(wpa_s->eapol, NULL,
807 wpas_notify_network_removed(wpa_s, remove_ssid);
808 wpa_config_remove_network(wpa_s->conf, id);
812 wpas_wps_clear_ap_info(wpa_s);
816 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
818 struct wpa_supplicant *wpa_s = eloop_ctx;
819 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
821 wpas_clear_wps(wpa_s);
825 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
826 int registrar, const u8 *bssid)
828 struct wpa_ssid *ssid;
830 ssid = wpa_config_add_network(wpa_s->conf);
833 wpas_notify_network_added(wpa_s, ssid);
834 wpa_config_set_network_defaults(ssid);
836 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
837 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
838 wpa_config_set(ssid, "identity", registrar ?
839 "\"" WSC_ID_REGISTRAR "\"" :
840 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
841 wpas_notify_network_removed(wpa_s, ssid);
842 wpa_config_remove_network(wpa_s->conf, ssid->id);
850 #endif /* CONFIG_P2P */
852 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
856 * Note: With P2P, the SSID may change at the time the WPS
857 * provisioning is started, so better not filter the AP based
858 * on the current SSID in the scan results.
861 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
862 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
866 ssid->ssid = os_malloc(bss->ssid_len);
867 if (ssid->ssid == NULL)
869 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
870 ssid->ssid_len = bss->ssid_len;
871 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
873 ssid->ssid, ssid->ssid_len);
878 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
879 "for the AP; use wildcard");
884 #endif /* CONFIG_P2P */
891 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
892 struct wpa_ssid *selected, const u8 *bssid)
894 struct wpa_ssid *ssid;
897 wpa_s->after_wps = 0;
898 wpa_s->known_wps_freq = 0;
900 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
901 if (bss && bss->freq > 0) {
902 wpa_s->known_wps_freq = 1;
903 wpa_s->wps_freq = bss->freq;
907 if (wpa_s->current_ssid)
908 wpa_supplicant_deauthenticate(
909 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
911 /* Mark all other networks disabled and trigger reassociation */
912 ssid = wpa_s->conf->ssid;
914 int was_disabled = ssid->disabled;
915 ssid->disabled_for_connect = 0;
917 * In case the network object corresponds to a persistent group
918 * then do not send out network disabled signal. In addition,
919 * do not change disabled status of persistent network objects
920 * from 2 to 1 should we connect to another network.
922 if (was_disabled != 2) {
923 ssid->disabled = ssid != selected;
924 if (was_disabled != ssid->disabled) {
926 ssid->disabled_for_connect = 1;
927 wpas_notify_network_enabled_changed(wpa_s,
933 wpa_s->disconnected = 0;
934 wpa_s->reassociate = 1;
935 wpa_s->scan_runs = 0;
936 wpa_s->normal_scans = 0;
937 wpa_s->wps_success = 0;
938 wpa_s->blacklist_cleared = 0;
939 wpa_supplicant_req_scan(wpa_s, 0, 0);
943 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
946 struct wpa_ssid *ssid;
947 wpas_clear_wps(wpa_s);
948 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
952 ssid->p2p_group = p2p_group;
954 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
955 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
957 ssid->ssid_len = wpa_s->go_params->ssid_len;
958 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
960 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
961 "SSID", ssid->ssid, ssid->ssid_len);
964 #endif /* CONFIG_P2P */
965 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
967 if (wpa_s->wps_fragment_size)
968 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
969 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
971 wpas_wps_reassoc(wpa_s, ssid, bssid);
976 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
977 const char *pin, int p2p_group, u16 dev_pw_id)
979 struct wpa_ssid *ssid;
981 unsigned int rpin = 0;
983 wpas_clear_wps(wpa_s);
984 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
988 ssid->p2p_group = p2p_group;
990 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
991 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
993 ssid->ssid_len = wpa_s->go_params->ssid_len;
994 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
996 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
997 "SSID", ssid->ssid, ssid->ssid_len);
1000 #endif /* CONFIG_P2P */
1002 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
1005 rpin = wps_generate_pin();
1006 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
1009 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1011 if (wpa_s->wps_fragment_size)
1012 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1013 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1015 wpa_s->wps_ap_iter = 1;
1016 wpas_wps_reassoc(wpa_s, ssid, bssid);
1021 /* Cancel the wps pbc/pin requests */
1022 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1025 if (wpa_s->ap_iface) {
1026 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1027 return wpa_supplicant_ap_wps_cancel(wpa_s);
1029 #endif /* CONFIG_AP */
1031 if (wpa_s->wpa_state == WPA_SCANNING ||
1032 wpa_s->wpa_state == WPA_DISCONNECTED) {
1033 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1034 wpa_supplicant_cancel_scan(wpa_s);
1035 wpas_clear_wps(wpa_s);
1036 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1037 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1039 wpa_supplicant_deauthenticate(wpa_s,
1040 WLAN_REASON_DEAUTH_LEAVING);
1041 wpas_clear_wps(wpa_s);
1043 wpas_wps_reenable_networks(wpa_s);
1044 wpas_wps_clear_ap_info(wpa_s);
1051 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
1052 const char *pin, struct wps_new_ap_settings *settings)
1054 struct wpa_ssid *ssid;
1061 wpas_clear_wps(wpa_s);
1062 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
1065 ssid->temporary = 1;
1067 end = pos + sizeof(val);
1068 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
1069 if (res < 0 || res >= end - pos)
1073 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1074 "new_encr=%s new_key=%s",
1075 settings->ssid_hex, settings->auth,
1076 settings->encr, settings->key_hex);
1077 if (res < 0 || res >= end - pos)
1081 res = os_snprintf(pos, end - pos, "\"");
1082 if (res < 0 || res >= end - pos)
1084 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1086 if (wpa_s->wps_fragment_size)
1087 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1088 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1090 wpas_wps_reassoc(wpa_s, ssid, bssid);
1095 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
1098 wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
1099 "STA " MACSTR, MAC2STR(mac_addr));
1100 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1108 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1109 const struct wps_device_data *dev)
1111 char uuid[40], txt[400];
1113 char devtype[WPS_DEV_TYPE_BUFSIZE];
1114 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1116 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1117 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1118 " [%s|%s|%s|%s|%s|%s]",
1119 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1120 dev->manufacturer, dev->model_name,
1121 dev->model_number, dev->serial_number,
1122 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1124 if (len > 0 && len < (int) sizeof(txt))
1125 wpa_printf(MSG_INFO, "%s", txt);
1129 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1130 u16 sel_reg_config_methods)
1132 #ifdef CONFIG_WPS_ER
1133 struct wpa_supplicant *wpa_s = ctx;
1135 if (wpa_s->wps_er == NULL)
1137 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1138 "dev_password_id=%u sel_reg_config_methods=0x%x",
1139 sel_reg, dev_passwd_id, sel_reg_config_methods);
1140 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1141 sel_reg_config_methods);
1142 #endif /* CONFIG_WPS_ER */
1146 static u16 wps_fix_config_methods(u16 config_methods)
1149 if ((config_methods &
1150 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1151 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1152 wpa_printf(MSG_INFO, "WPS: Converting display to "
1153 "virtual_display for WPS 2.0 compliance");
1154 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1156 if ((config_methods &
1157 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1158 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1159 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1160 "virtual_push_button for WPS 2.0 compliance");
1161 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1163 #endif /* CONFIG_WPS2 */
1165 return config_methods;
1169 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1170 struct wps_context *wps)
1172 wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
1173 if (is_nil_uuid(wpa_s->conf->uuid)) {
1174 struct wpa_supplicant *first;
1175 first = wpa_s->global->ifaces;
1176 while (first && first->next)
1177 first = first->next;
1178 if (first && first != wpa_s) {
1179 if (wps != wpa_s->global->ifaces->wps)
1180 os_memcpy(wps->uuid,
1181 wpa_s->global->ifaces->wps->uuid,
1183 wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
1184 "interface", wps->uuid, WPS_UUID_LEN);
1186 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1187 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1188 "address", wps->uuid, WPS_UUID_LEN);
1191 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1192 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
1193 wps->uuid, WPS_UUID_LEN);
1198 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1199 struct wps_context *wps)
1201 wpabuf_free(wps->dev.vendor_ext_m1);
1202 wps->dev.vendor_ext_m1 = NULL;
1204 if (wpa_s->conf->wps_vendor_ext_m1) {
1205 wps->dev.vendor_ext_m1 =
1206 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1207 if (!wps->dev.vendor_ext_m1) {
1208 wpa_printf(MSG_ERROR, "WPS: Cannot "
1209 "allocate memory for vendor_ext_m1");
1215 int wpas_wps_init(struct wpa_supplicant *wpa_s)
1217 struct wps_context *wps;
1218 struct wps_registrar_config rcfg;
1219 struct hostapd_hw_modes *modes;
1222 wps = os_zalloc(sizeof(*wps));
1226 wps->cred_cb = wpa_supplicant_wps_cred;
1227 wps->event_cb = wpa_supplicant_wps_event;
1228 wps->cb_ctx = wpa_s;
1230 wps->dev.device_name = wpa_s->conf->device_name;
1231 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1232 wps->dev.model_name = wpa_s->conf->model_name;
1233 wps->dev.model_number = wpa_s->conf->model_number;
1234 wps->dev.serial_number = wpa_s->conf->serial_number;
1235 wps->config_methods =
1236 wps_config_methods_str2bin(wpa_s->conf->config_methods);
1237 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1238 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1239 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1240 "methods are not allowed at the same time");
1244 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1245 wps->dev.config_methods = wps->config_methods;
1246 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1249 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1250 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1251 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
1253 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1255 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1256 modes = wpa_s->hw.modes;
1258 for (m = 0; m < wpa_s->hw.num_modes; m++) {
1259 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1260 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1261 wps->dev.rf_bands |= WPS_RF_24GHZ;
1262 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1263 wps->dev.rf_bands |= WPS_RF_50GHZ;
1266 if (wps->dev.rf_bands == 0) {
1268 * Default to claiming support for both bands if the driver
1269 * does not provide support for fetching supported bands.
1271 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1273 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
1274 wpas_wps_set_uuid(wpa_s, wps);
1276 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1277 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1279 os_memset(&rcfg, 0, sizeof(rcfg));
1280 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1281 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
1282 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
1283 rcfg.cb_ctx = wpa_s;
1285 wps->registrar = wps_registrar_init(wps, &rcfg);
1286 if (wps->registrar == NULL) {
1287 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1298 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1300 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
1301 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
1302 wpas_wps_clear_ap_info(wpa_s);
1304 if (wpa_s->wps == NULL)
1307 #ifdef CONFIG_WPS_ER
1308 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1309 wpa_s->wps_er = NULL;
1310 #endif /* CONFIG_WPS_ER */
1312 wps_registrar_deinit(wpa_s->wps->registrar);
1313 wpabuf_free(wpa_s->wps->dh_pubkey);
1314 wpabuf_free(wpa_s->wps->dh_privkey);
1315 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
1316 os_free(wpa_s->wps->network_key);
1317 os_free(wpa_s->wps);
1322 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
1323 struct wpa_ssid *ssid, struct wpa_bss *bss)
1325 struct wpabuf *wps_ie;
1327 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1330 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1331 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1333 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1337 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1338 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1339 "without active PBC Registrar");
1340 wpabuf_free(wps_ie);
1344 /* TODO: overlap detection */
1345 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1347 wpabuf_free(wps_ie);
1351 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1353 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1358 * Start with WPS APs that advertise our address as an
1359 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1360 * allow any WPS AP after couple of scans since some APs do not
1361 * set Selected Registrar attribute properly when using
1362 * external Registrar.
1364 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
1365 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1366 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1367 "without active PIN Registrar");
1368 wpabuf_free(wps_ie);
1371 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1373 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1374 "(Authorized MAC or Active PIN)");
1376 wpabuf_free(wps_ie);
1381 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1382 wpabuf_free(wps_ie);
1390 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1391 struct wpa_ssid *ssid,
1392 struct wpa_bss *bss)
1394 struct wpabuf *wps_ie = NULL;
1397 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1398 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1399 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1400 /* allow wildcard SSID for WPS PBC */
1403 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1404 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1406 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
1407 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
1408 /* allow wildcard SSID for WPS PIN */
1413 if (!ret && ssid->bssid_set &&
1414 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1415 /* allow wildcard SSID due to hardcoded BSSID match */
1419 #ifdef CONFIG_WPS_STRICT
1421 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1424 if (bss->beacon_ie_len) {
1425 struct wpabuf *bcn_wps;
1426 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
1427 bss, WPS_IE_VENDOR_TYPE);
1428 if (bcn_wps == NULL) {
1429 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1430 "missing from AP Beacon");
1433 if (wps_validate_beacon(wps_ie) < 0)
1435 wpabuf_free(bcn_wps);
1439 #endif /* CONFIG_WPS_STRICT */
1441 wpabuf_free(wps_ie);
1447 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
1448 struct wpa_bss *selected, struct wpa_ssid *ssid)
1450 const u8 *sel_uuid, *uuid;
1451 struct wpabuf *wps_ie;
1453 struct wpa_bss *bss;
1455 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1458 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1459 "present in scan results; selected BSSID " MACSTR,
1460 MAC2STR(selected->bssid));
1462 /* Make sure that only one AP is in active PBC mode */
1463 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
1465 sel_uuid = wps_get_uuid_e(wps_ie);
1466 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1467 sel_uuid, UUID_LEN);
1469 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1474 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1476 if (bss == selected)
1478 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1481 if (!wps_is_selected_pbc_registrar(ie)) {
1485 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1486 MACSTR, MAC2STR(bss->bssid));
1487 uuid = wps_get_uuid_e(ie);
1488 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1490 if (sel_uuid == NULL || uuid == NULL ||
1491 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
1492 ret = 1; /* PBC overlap */
1493 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1494 MACSTR " and " MACSTR,
1495 MAC2STR(selected->bssid),
1496 MAC2STR(bss->bssid));
1501 /* TODO: verify that this is reasonable dual-band situation */
1506 wpabuf_free(wps_ie);
1512 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1514 struct wpa_bss *bss;
1515 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
1517 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1520 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1522 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1525 if (wps_is_selected_pbc_registrar(ie))
1527 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1529 else if (wps_is_selected_pin_registrar(ie))
1537 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1539 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1541 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1543 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
1547 int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1549 struct wpa_ssid *ssid;
1551 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1552 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1560 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1563 struct wpabuf *wps_ie;
1566 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1570 ret = wps_attr_text(wps_ie, buf, end);
1571 wpabuf_free(wps_ie);
1576 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
1578 #ifdef CONFIG_WPS_ER
1579 if (wpa_s->wps_er) {
1580 wps_er_refresh(wpa_s->wps_er);
1583 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
1584 if (wpa_s->wps_er == NULL)
1587 #else /* CONFIG_WPS_ER */
1589 #endif /* CONFIG_WPS_ER */
1593 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1595 #ifdef CONFIG_WPS_ER
1596 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1597 wpa_s->wps_er = NULL;
1598 #endif /* CONFIG_WPS_ER */
1603 #ifdef CONFIG_WPS_ER
1604 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1605 const char *uuid, const char *pin)
1608 const u8 *use_uuid = NULL;
1609 u8 addr_buf[ETH_ALEN];
1611 if (os_strcmp(uuid, "any") == 0) {
1612 } else if (uuid_str2bin(uuid, u) == 0) {
1614 } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1615 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1616 if (use_uuid == NULL)
1620 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1622 (const u8 *) pin, os_strlen(pin), 300);
1626 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1628 u8 u[UUID_LEN], *use_uuid = NULL;
1629 u8 addr[ETH_ALEN], *use_addr = NULL;
1631 if (uuid_str2bin(uuid, u) == 0)
1633 else if (hwaddr_aton(uuid, addr) == 0)
1637 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
1641 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1644 u8 u[UUID_LEN], *use_uuid = NULL;
1645 u8 addr[ETH_ALEN], *use_addr = NULL;
1647 if (uuid_str2bin(uuid, u) == 0)
1649 else if (hwaddr_aton(uuid, addr) == 0)
1654 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
1659 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1662 u8 u[UUID_LEN], *use_uuid = NULL;
1663 u8 addr[ETH_ALEN], *use_addr = NULL;
1664 struct wpa_ssid *ssid;
1665 struct wps_credential cred;
1667 if (uuid_str2bin(uuid, u) == 0)
1669 else if (hwaddr_aton(uuid, addr) == 0)
1673 ssid = wpa_config_get_network(wpa_s->conf, id);
1674 if (ssid == NULL || ssid->ssid == NULL)
1677 os_memset(&cred, 0, sizeof(cred));
1678 if (ssid->ssid_len > 32)
1680 os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
1681 cred.ssid_len = ssid->ssid_len;
1682 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1683 cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1684 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1685 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1686 cred.encr_type = WPS_ENCR_AES;
1688 cred.encr_type = WPS_ENCR_TKIP;
1689 if (ssid->passphrase) {
1690 cred.key_len = os_strlen(ssid->passphrase);
1691 if (cred.key_len >= 64)
1693 os_memcpy(cred.key, ssid->passphrase, cred.key_len);
1694 } else if (ssid->psk_set) {
1696 os_memcpy(cred.key, ssid->psk, 32);
1700 cred.auth_type = WPS_AUTH_OPEN;
1701 cred.encr_type = WPS_ENCR_NONE;
1703 return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
1707 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1708 const char *pin, struct wps_new_ap_settings *settings)
1710 u8 u[UUID_LEN], *use_uuid = NULL;
1711 u8 addr[ETH_ALEN], *use_addr = NULL;
1712 struct wps_credential cred;
1715 if (uuid_str2bin(uuid, u) == 0)
1717 else if (hwaddr_aton(uuid, addr) == 0)
1721 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1722 settings->encr == NULL || settings->key_hex == NULL)
1725 os_memset(&cred, 0, sizeof(cred));
1726 len = os_strlen(settings->ssid_hex);
1727 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1728 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1730 cred.ssid_len = len / 2;
1732 len = os_strlen(settings->key_hex);
1733 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1734 hexstr2bin(settings->key_hex, cred.key, len / 2))
1736 cred.key_len = len / 2;
1738 if (os_strcmp(settings->auth, "OPEN") == 0)
1739 cred.auth_type = WPS_AUTH_OPEN;
1740 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1741 cred.auth_type = WPS_AUTH_WPAPSK;
1742 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1743 cred.auth_type = WPS_AUTH_WPA2PSK;
1747 if (os_strcmp(settings->encr, "NONE") == 0)
1748 cred.encr_type = WPS_ENCR_NONE;
1749 else if (os_strcmp(settings->encr, "WEP") == 0)
1750 cred.encr_type = WPS_ENCR_WEP;
1751 else if (os_strcmp(settings->encr, "TKIP") == 0)
1752 cred.encr_type = WPS_ENCR_TKIP;
1753 else if (os_strcmp(settings->encr, "CCMP") == 0)
1754 cred.encr_type = WPS_ENCR_AES;
1758 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
1759 (const u8 *) pin, os_strlen(pin), &cred);
1763 #ifdef CONFIG_WPS_NFC
1764 struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
1765 int ndef, const char *uuid)
1768 u8 u[UUID_LEN], *use_uuid = NULL;
1769 u8 addr[ETH_ALEN], *use_addr = NULL;
1774 if (uuid_str2bin(uuid, u) == 0)
1776 else if (hwaddr_aton(uuid, addr) == 0)
1781 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
1784 tmp = ndef_build_wifi(ret);
1793 #endif /* CONFIG_WPS_NFC */
1796 static int callbacks_pending = 0;
1798 static void wpas_wps_terminate_cb(void *ctx)
1800 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1801 if (--callbacks_pending <= 0)
1804 #endif /* CONFIG_WPS_ER */
1807 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1809 #ifdef CONFIG_WPS_ER
1810 if (wpa_s->wps_er) {
1811 callbacks_pending++;
1812 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1813 wpa_s->wps_er = NULL;
1816 #endif /* CONFIG_WPS_ER */
1821 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
1823 struct wpa_ssid *ssid;
1825 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1826 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
1834 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
1836 struct wps_context *wps = wpa_s->wps;
1841 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
1842 wps->config_methods = wps_config_methods_str2bin(
1843 wpa_s->conf->config_methods);
1844 if ((wps->config_methods &
1845 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1846 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1847 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
1848 "config methods are not allowed at the "
1850 wps->config_methods &= ~WPS_CONFIG_LABEL;
1853 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1854 wps->dev.config_methods = wps->config_methods;
1856 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
1857 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1860 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
1861 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1862 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1863 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
1866 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
1867 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1869 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
1870 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1872 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
1873 wpas_wps_set_uuid(wpa_s, wps);
1875 if (wpa_s->conf->changed_parameters &
1876 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
1877 /* Update pointers to make sure they refer current values */
1878 wps->dev.device_name = wpa_s->conf->device_name;
1879 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1880 wps->dev.model_name = wpa_s->conf->model_name;
1881 wps->dev.model_number = wpa_s->conf->model_number;
1882 wps->dev.serial_number = wpa_s->conf->serial_number;
1887 #ifdef CONFIG_WPS_NFC
1889 struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1893 if (wpa_s->ap_iface)
1894 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
1895 #endif /* CONFIG_AP */
1900 struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
1902 if (wpa_s->conf->wps_nfc_pw_from_config) {
1903 return wps_nfc_token_build(ndef,
1904 wpa_s->conf->wps_nfc_dev_pw_id,
1905 wpa_s->conf->wps_nfc_dh_pubkey,
1906 wpa_s->conf->wps_nfc_dev_pw);
1909 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
1910 &wpa_s->conf->wps_nfc_dh_pubkey,
1911 &wpa_s->conf->wps_nfc_dh_privkey,
1912 &wpa_s->conf->wps_nfc_dev_pw);
1916 int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
1918 struct wps_context *wps = wpa_s->wps;
1919 char pw[32 * 2 + 1];
1921 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
1922 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
1923 wpa_s->conf->wps_nfc_dev_pw == NULL)
1926 dh5_free(wps->dh_ctx);
1927 wpabuf_free(wps->dh_pubkey);
1928 wpabuf_free(wps->dh_privkey);
1929 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
1930 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
1931 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1933 wpabuf_free(wps->dh_pubkey);
1934 wps->dh_pubkey = NULL;
1935 wpabuf_free(wps->dh_privkey);
1936 wps->dh_privkey = NULL;
1939 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1940 if (wps->dh_ctx == NULL) {
1941 wpabuf_free(wps->dh_pubkey);
1942 wps->dh_pubkey = NULL;
1943 wpabuf_free(wps->dh_privkey);
1944 wps->dh_privkey = NULL;
1948 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
1949 wpabuf_head(wpa_s->conf->wps_nfc_dev_pw),
1950 wpabuf_len(wpa_s->conf->wps_nfc_dev_pw));
1951 return wpas_wps_start_pin(wpa_s, bssid, pw, 0,
1952 wpa_s->conf->wps_nfc_dev_pw_id);
1956 static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
1957 struct wps_parse_attr *attr)
1959 wpa_s->wps_ap_channel = 0;
1961 if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
1964 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
1967 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
1968 "based on the received credential added");
1969 wpa_s->normal_scans = 0;
1970 wpa_supplicant_reinit_autoscan(wpa_s);
1971 if (wpa_s->wps_ap_channel) {
1972 u16 chan = wpa_s->wps_ap_channel;
1975 if (chan >= 1 && chan <= 13)
1976 freq = 2407 + 5 * chan;
1977 else if (chan == 14)
1979 else if (chan >= 30)
1980 freq = 5000 + 5 * chan;
1983 wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
1984 "AP channel %u -> %u MHz", chan, freq);
1985 wpa_s->after_wps = 5;
1986 wpa_s->wps_freq = freq;
1989 wpa_s->disconnected = 0;
1990 wpa_s->reassociate = 1;
1991 wpa_supplicant_req_scan(wpa_s, 0, 0);
1997 #ifdef CONFIG_WPS_ER
1998 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
1999 struct wps_parse_attr *attr)
2001 return wps_registrar_add_nfc_password_token(
2002 wpa_s->wps->registrar, attr->oob_dev_password,
2003 attr->oob_dev_password_len);
2005 #endif /* CONFIG_WPS_ER */
2008 static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2009 const struct wpabuf *wps)
2011 struct wps_parse_attr attr;
2013 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2015 if (wps_parse_msg(wps, &attr)) {
2016 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2021 return wpas_wps_use_cred(wpa_s, &attr);
2023 #ifdef CONFIG_WPS_ER
2024 if (attr.oob_dev_password)
2025 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2026 #endif /* CONFIG_WPS_ER */
2028 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2033 int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
2034 const struct wpabuf *data)
2036 const struct wpabuf *wps = data;
2037 struct wpabuf *tmp = NULL;
2040 if (wpabuf_len(data) < 4)
2043 if (*wpabuf_head_u8(data) != 0x10) {
2044 /* Assume this contains full NDEF record */
2045 tmp = ndef_parse_wifi(data);
2047 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2053 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2059 struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr)
2062 return ndef_build_wifi_hc(1);
2063 return ndef_build_wifi_hr();
2067 #ifdef CONFIG_WPS_NFC
2068 struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2069 int ndef, const char *uuid)
2071 #ifdef CONFIG_WPS_ER
2073 u8 u[UUID_LEN], *use_uuid = NULL;
2074 u8 addr[ETH_ALEN], *use_addr = NULL;
2081 if (uuid_str2bin(uuid, u) == 0)
2083 else if (hwaddr_aton(uuid, addr) == 0)
2089 * Handover Select carrier record for WPS uses the same format as
2090 * configuration token.
2092 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
2095 tmp = ndef_build_wifi(ret);
2103 #else /* CONFIG_WPS_ER */
2105 #endif /* CONFIG_WPS_ER */
2107 #endif /* CONFIG_WPS_NFC */
2110 struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2111 int ndef, int cr, const char *uuid)
2116 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2119 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
2123 int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
2124 const struct wpabuf *data)
2131 int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2132 const struct wpabuf *data)
2137 wps = ndef_parse_wifi(data);
2140 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2141 "payload from NFC connection handover");
2142 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps);
2143 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2150 int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2151 const struct wpabuf *req,
2152 const struct wpabuf *sel)
2154 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2155 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2156 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2157 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2160 #endif /* CONFIG_WPS_NFC */
2163 extern int wpa_debug_level;
2165 static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2170 if (wpa_debug_level > MSG_DEBUG)
2173 if (wpa_s->wps_ap == NULL)
2178 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2179 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2180 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2182 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2183 "tries=%d last_attempt=%d sec ago blacklist=%d",
2184 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2185 ap->last_attempt.sec > 0 ?
2186 (int) now.sec - (int) ap->last_attempt.sec : -1,
2192 static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2197 if (wpa_s->wps_ap == NULL)
2200 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2201 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2202 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2210 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2211 struct wpa_scan_res *res)
2214 enum wps_ap_info_type type;
2215 struct wps_ap_info *ap;
2218 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2221 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2225 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2227 type = WPS_AP_SEL_REG_OUR;
2229 type = WPS_AP_SEL_REG;
2231 type = WPS_AP_NOT_SEL_REG;
2235 ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2237 if (ap->type != type) {
2238 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2239 " changed type %d -> %d",
2240 MAC2STR(res->bssid), ap->type, type);
2242 if (type != WPS_AP_NOT_SEL_REG)
2243 wpa_blacklist_del(wpa_s, ap->bssid);
2248 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2249 sizeof(struct wps_ap_info));
2254 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2255 wpa_s->num_wps_ap++;
2257 os_memset(ap, 0, sizeof(*ap));
2258 os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2260 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2261 MAC2STR(ap->bssid), ap->type);
2265 void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2266 struct wpa_scan_results *scan_res)
2270 for (i = 0; i < scan_res->num; i++)
2271 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2273 wpas_wps_dump_ap_info(wpa_s);
2277 void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2279 struct wps_ap_info *ap;
2280 if (!wpa_s->wps_ap_iter)
2282 ap = wpas_wps_get_ap_info(wpa_s, bssid);
2286 os_get_time(&ap->last_attempt);