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 void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
223 struct wpa_ssid *new_ssid)
225 struct wpa_ssid *ssid, *next;
227 for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
228 ssid = next, next = ssid ? ssid->next : NULL) {
230 * new_ssid has already been added to the list in
231 * wpas_wps_add_network(), so skip it.
233 if (ssid == new_ssid)
236 if (ssid->bssid_set || new_ssid->bssid_set) {
237 if (ssid->bssid_set != new_ssid->bssid_set)
239 if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
245 if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
248 if (ssid->ssid && new_ssid->ssid) {
249 if (os_memcmp(ssid->ssid, new_ssid->ssid,
250 ssid->ssid_len) != 0)
252 } else if (ssid->ssid || new_ssid->ssid)
255 /* compare security parameters */
256 if (ssid->auth_alg != new_ssid->auth_alg ||
257 ssid->key_mgmt != new_ssid->key_mgmt ||
258 ssid->proto != new_ssid->proto ||
259 ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
260 ssid->group_cipher != new_ssid->group_cipher)
263 if (ssid->passphrase && new_ssid->passphrase) {
264 if (os_strlen(ssid->passphrase) !=
265 os_strlen(new_ssid->passphrase))
267 if (os_strcmp(ssid->passphrase, new_ssid->passphrase) !=
270 } else if (ssid->passphrase || new_ssid->passphrase)
273 if ((ssid->psk_set || new_ssid->psk_set) &&
274 os_memcmp(ssid->psk, new_ssid->psk, sizeof(ssid->psk)) != 0)
277 if (ssid->auth_alg == WPA_ALG_WEP) {
278 if (ssid->wep_tx_keyidx != new_ssid->wep_tx_keyidx)
280 if (os_memcmp(ssid->wep_key, new_ssid->wep_key,
281 sizeof(ssid->wep_key)))
283 if (os_memcmp(ssid->wep_key_len, new_ssid->wep_key_len,
284 sizeof(ssid->wep_key_len)))
288 /* Remove the duplicated older network entry. */
289 wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
290 wpas_notify_network_removed(wpa_s, ssid);
291 wpa_config_remove_network(wpa_s->conf, ssid->id);
296 static int wpa_supplicant_wps_cred(void *ctx,
297 const struct wps_credential *cred)
299 struct wpa_supplicant *wpa_s = ctx;
300 struct wpa_ssid *ssid = wpa_s->current_ssid;
303 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
305 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
307 if ((wpa_s->conf->wps_cred_processing == 1 ||
308 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
309 size_t blen = cred->cred_attr_len * 2 + 1;
310 char *buf = os_malloc(blen);
312 wpa_snprintf_hex(buf, blen,
313 cred->cred_attr, cred->cred_attr_len);
314 wpa_msg(wpa_s, MSG_INFO, "%s%s",
315 WPS_EVENT_CRED_RECEIVED, buf);
319 wpas_notify_wps_credential(wpa_s, cred);
321 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
323 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
324 cred->cred_attr, cred->cred_attr_len);
326 if (wpa_s->conf->wps_cred_processing == 1)
329 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
330 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
332 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
333 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
334 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
335 cred->key, cred->key_len);
336 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
337 MAC2STR(cred->mac_addr));
339 auth_type = cred->auth_type;
340 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
341 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
342 "auth_type into WPA2PSK");
343 auth_type = WPS_AUTH_WPA2PSK;
346 if (auth_type != WPS_AUTH_OPEN &&
347 auth_type != WPS_AUTH_SHARED &&
348 auth_type != WPS_AUTH_WPAPSK &&
349 auth_type != WPS_AUTH_WPA2PSK) {
350 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
351 "unsupported authentication type 0x%x",
356 if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
357 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
358 wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
359 "invalid Network Key length %lu",
360 (unsigned long) cred->key_len);
365 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
366 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
367 "on the received credential");
368 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
369 if (ssid->eap.identity &&
370 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
371 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
372 WSC_ID_REGISTRAR_LEN) == 0)
374 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
375 os_free(ssid->eap.identity);
376 ssid->eap.identity = NULL;
377 ssid->eap.identity_len = 0;
378 os_free(ssid->eap.phase1);
379 ssid->eap.phase1 = NULL;
380 os_free(ssid->eap.eap_methods);
381 ssid->eap.eap_methods = NULL;
382 if (!ssid->p2p_group) {
386 ssid->disabled_until.sec = 0;
387 ssid->disabled_until.usec = 0;
388 ssid->auth_failures = 0;
390 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
391 "received credential");
392 ssid = wpa_config_add_network(wpa_s->conf);
395 wpas_notify_network_added(wpa_s, ssid);
398 wpa_config_set_network_defaults(ssid);
401 ssid->ssid = os_malloc(cred->ssid_len);
403 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
404 ssid->ssid_len = cred->ssid_len;
407 switch (cred->encr_type) {
411 if (cred->key_len <= 0)
413 if (cred->key_len != 5 && cred->key_len != 13 &&
414 cred->key_len != 10 && cred->key_len != 26) {
415 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
416 "%lu", (unsigned long) cred->key_len);
419 if (cred->key_idx > NUM_WEP_KEYS) {
420 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
425 key_idx = cred->key_idx - 1;
426 if (cred->key_len == 10 || cred->key_len == 26) {
427 if (hexstr2bin((char *) cred->key,
428 ssid->wep_key[key_idx],
429 cred->key_len / 2) < 0) {
430 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
434 ssid->wep_key_len[key_idx] = cred->key_len / 2;
436 os_memcpy(ssid->wep_key[key_idx], cred->key,
438 ssid->wep_key_len[key_idx] = cred->key_len;
440 ssid->wep_tx_keyidx = key_idx;
443 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
446 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
452 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
453 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
455 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
457 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
458 "id=%d - Credentials for an open "
459 "network disabled by default - use "
460 "'select_network %d' to enable",
464 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
466 case WPS_AUTH_SHARED:
467 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
468 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
471 case WPS_AUTH_WPAPSK:
472 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
473 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
474 ssid->proto = WPA_PROTO_WPA;
476 case WPS_AUTH_WPA2PSK:
477 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
478 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
479 ssid->proto = WPA_PROTO_RSN;
483 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
484 if (cred->key_len == 2 * PMK_LEN) {
485 if (hexstr2bin((const char *) cred->key, ssid->psk,
487 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
492 ssid->export_keys = 1;
493 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
494 os_free(ssid->passphrase);
495 ssid->passphrase = os_malloc(cred->key_len + 1);
496 if (ssid->passphrase == NULL)
498 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
499 ssid->passphrase[cred->key_len] = '\0';
500 wpa_config_update_psk(ssid);
501 ssid->export_keys = 1;
503 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
505 (unsigned long) cred->key_len);
510 wpas_wps_security_workaround(wpa_s, ssid, cred);
512 if (cred->ap_channel)
513 wpa_s->wps_ap_channel = cred->ap_channel;
515 wpas_wps_remove_dup_network(wpa_s, ssid);
517 #ifndef CONFIG_NO_CONFIG_WRITE
518 if (wpa_s->conf->update_config &&
519 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
520 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
523 #endif /* CONFIG_NO_CONFIG_WRITE */
526 * Optimize the post-WPS scan based on the channel used during
527 * the provisioning in case EAP-Failure is not received.
529 wpa_s->after_wps = 5;
530 wpa_s->wps_freq = wpa_s->assoc_freq;
537 static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
539 struct wpa_supplicant *wpa_s = eloop_ctx;
540 wpas_p2p_notif_pbc_overlap(wpa_s);
542 #endif /* CONFIG_P2P */
545 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
546 struct wps_event_m2d *m2d)
548 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
549 "dev_password_id=%d config_error=%d",
550 m2d->dev_password_id, m2d->config_error);
551 wpas_notify_wps_event_m2d(wpa_s, m2d);
553 if (wpa_s->parent && wpa_s->parent != wpa_s) {
554 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
555 "dev_password_id=%d config_error=%d",
556 m2d->dev_password_id, m2d->config_error);
558 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
560 * Notify P2P from eloop timeout to avoid issues with the
561 * interface getting removed while processing a message.
563 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
566 #endif /* CONFIG_P2P */
570 static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
572 struct wpa_supplicant *wpa_s = eloop_ctx;
573 wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
574 wpas_clear_wps(wpa_s);
578 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
579 struct wps_event_fail *fail)
581 if (fail->error_indication > 0 &&
582 fail->error_indication < NUM_WPS_EI_VALUES) {
583 wpa_msg(wpa_s, MSG_INFO,
584 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
585 fail->msg, fail->config_error, fail->error_indication,
586 wps_ei_str(fail->error_indication));
587 if (wpa_s->parent && wpa_s->parent != wpa_s)
588 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
589 "msg=%d config_error=%d reason=%d (%s)",
590 fail->msg, fail->config_error,
591 fail->error_indication,
592 wps_ei_str(fail->error_indication));
594 wpa_msg(wpa_s, MSG_INFO,
595 WPS_EVENT_FAIL "msg=%d config_error=%d",
596 fail->msg, fail->config_error);
597 if (wpa_s->parent && wpa_s->parent != wpa_s)
598 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
599 "msg=%d config_error=%d",
600 fail->msg, fail->config_error);
604 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
606 wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
607 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
608 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
610 wpas_notify_wps_event_fail(wpa_s, fail);
612 wpas_p2p_wps_failed(wpa_s, fail);
613 #endif /* CONFIG_P2P */
617 static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
619 static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
621 struct wpa_ssid *ssid;
624 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
626 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
627 if (ssid->disabled_for_connect && ssid->disabled) {
628 ssid->disabled_for_connect = 0;
630 wpas_notify_network_enabled_changed(wpa_s, ssid);
636 #ifndef CONFIG_NO_CONFIG_WRITE
637 if (wpa_s->conf->update_config &&
638 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
639 wpa_printf(MSG_DEBUG, "WPS: Failed to update "
642 #endif /* CONFIG_NO_CONFIG_WRITE */
647 static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
649 struct wpa_supplicant *wpa_s = eloop_ctx;
650 /* Enable the networks disabled during wpas_wps_reassoc */
651 wpas_wps_reenable_networks(wpa_s);
655 static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
657 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
658 wpa_s->wps_success = 1;
659 wpas_notify_wps_event_success(wpa_s);
660 if (wpa_s->current_ssid)
661 wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
662 wpa_s->extra_blacklist_count = 0;
665 * Enable the networks disabled during wpas_wps_reassoc after 10
666 * seconds. The 10 seconds timer is to allow the data connection to be
667 * formed before allowing other networks to be selected.
669 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
673 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
674 #endif /* CONFIG_P2P */
678 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
679 struct wps_event_er_ap *ap)
682 char dev_type[WPS_DEV_TYPE_BUFSIZE];
684 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
685 if (ap->pri_dev_type)
686 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
691 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
692 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
693 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
694 ap->friendly_name ? ap->friendly_name : "",
695 ap->manufacturer ? ap->manufacturer : "",
696 ap->model_description ? ap->model_description : "",
697 ap->model_name ? ap->model_name : "",
698 ap->manufacturer_url ? ap->manufacturer_url : "",
699 ap->model_url ? ap->model_url : "");
703 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
704 struct wps_event_er_ap *ap)
707 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
708 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
712 static void wpa_supplicant_wps_event_er_enrollee_add(
713 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
716 char dev_type[WPS_DEV_TYPE_BUFSIZE];
718 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
719 if (enrollee->pri_dev_type)
720 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
725 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
726 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
728 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
729 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
730 enrollee->dev_name ? enrollee->dev_name : "",
731 enrollee->manufacturer ? enrollee->manufacturer : "",
732 enrollee->model_name ? enrollee->model_name : "",
733 enrollee->model_number ? enrollee->model_number : "",
734 enrollee->serial_number ? enrollee->serial_number : "");
738 static void wpa_supplicant_wps_event_er_enrollee_remove(
739 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
742 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
743 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
744 uuid_str, MAC2STR(enrollee->mac_addr));
748 static void wpa_supplicant_wps_event_er_ap_settings(
749 struct wpa_supplicant *wpa_s,
750 struct wps_event_er_ap_settings *ap_settings)
754 const struct wps_credential *cred = ap_settings->cred;
757 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
758 if (cred->key_len >= 8 && cred->key_len <= 64) {
759 os_memcpy(key_str, cred->key, cred->key_len);
760 key_str[cred->key_len] = '\0';
764 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
765 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
766 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
767 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
769 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
770 cred->auth_type, cred->encr_type, key_str);
774 static void wpa_supplicant_wps_event_er_set_sel_reg(
775 struct wpa_supplicant *wpa_s,
776 struct wps_event_er_set_selected_registrar *ev)
780 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
782 case WPS_ER_SET_SEL_REG_START:
783 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
784 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
785 "sel_reg_config_methods=0x%x",
786 uuid_str, ev->sel_reg, ev->dev_passwd_id,
787 ev->sel_reg_config_methods);
789 case WPS_ER_SET_SEL_REG_DONE:
790 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
791 "uuid=%s state=DONE", uuid_str);
793 case WPS_ER_SET_SEL_REG_FAILED:
794 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
795 "uuid=%s state=FAILED", uuid_str);
801 static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
802 union wps_event_data *data)
804 struct wpa_supplicant *wpa_s = ctx;
807 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
810 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
813 wpa_supplicant_wps_event_success(wpa_s);
815 case WPS_EV_PWD_AUTH_FAIL:
817 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
818 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
819 #endif /* CONFIG_AP */
821 case WPS_EV_PBC_OVERLAP:
823 case WPS_EV_PBC_TIMEOUT:
825 case WPS_EV_PBC_ACTIVE:
826 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
828 case WPS_EV_PBC_DISABLE:
829 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
831 case WPS_EV_ER_AP_ADD:
832 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
834 case WPS_EV_ER_AP_REMOVE:
835 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
837 case WPS_EV_ER_ENROLLEE_ADD:
838 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
841 case WPS_EV_ER_ENROLLEE_REMOVE:
842 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
845 case WPS_EV_ER_AP_SETTINGS:
846 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
849 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
850 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
853 case WPS_EV_AP_PIN_SUCCESS:
859 static int wpa_supplicant_wps_rf_band(void *ctx)
861 struct wpa_supplicant *wpa_s = ctx;
863 if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
866 return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
870 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
872 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
873 eap_is_wps_pin_enrollee(&ssid->eap))
874 return WPS_REQ_ENROLLEE;
876 return WPS_REQ_REGISTRAR;
880 static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
883 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
885 prev_current = wpa_s->current_ssid;
887 /* Enable the networks disabled during wpas_wps_reassoc */
888 wpas_wps_reenable_networks(wpa_s);
890 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
892 /* Remove any existing WPS network from configuration */
893 ssid = wpa_s->conf->ssid;
895 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
896 if (ssid == wpa_s->current_ssid) {
897 wpa_supplicant_deauthenticate(
898 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
906 if (prev_current == remove_ssid) {
907 wpa_sm_set_config(wpa_s->wpa, NULL);
908 eapol_sm_notify_config(wpa_s->eapol, NULL,
911 wpas_notify_network_removed(wpa_s, remove_ssid);
912 wpa_config_remove_network(wpa_s->conf, id);
916 wpas_wps_clear_ap_info(wpa_s);
920 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
922 struct wpa_supplicant *wpa_s = eloop_ctx;
923 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
925 wpas_clear_wps(wpa_s);
929 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
930 int registrar, const u8 *bssid)
932 struct wpa_ssid *ssid;
934 ssid = wpa_config_add_network(wpa_s->conf);
937 wpas_notify_network_added(wpa_s, ssid);
938 wpa_config_set_network_defaults(ssid);
940 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
941 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
942 wpa_config_set(ssid, "identity", registrar ?
943 "\"" WSC_ID_REGISTRAR "\"" :
944 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
945 wpas_notify_network_removed(wpa_s, ssid);
946 wpa_config_remove_network(wpa_s->conf, ssid->id);
954 #endif /* CONFIG_P2P */
956 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
960 * Note: With P2P, the SSID may change at the time the WPS
961 * provisioning is started, so better not filter the AP based
962 * on the current SSID in the scan results.
965 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
966 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
970 ssid->ssid = os_malloc(bss->ssid_len);
971 if (ssid->ssid == NULL)
973 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
974 ssid->ssid_len = bss->ssid_len;
975 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
977 ssid->ssid, ssid->ssid_len);
982 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
983 "for the AP; use wildcard");
988 #endif /* CONFIG_P2P */
995 static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
996 struct wpa_ssid *selected)
998 struct wpa_ssid *ssid;
1000 if (wpa_s->current_ssid)
1001 wpa_supplicant_deauthenticate(
1002 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1004 /* Mark all other networks disabled and trigger reassociation */
1005 ssid = wpa_s->conf->ssid;
1007 int was_disabled = ssid->disabled;
1008 ssid->disabled_for_connect = 0;
1010 * In case the network object corresponds to a persistent group
1011 * then do not send out network disabled signal. In addition,
1012 * do not change disabled status of persistent network objects
1013 * from 2 to 1 should we connect to another network.
1015 if (was_disabled != 2) {
1016 ssid->disabled = ssid != selected;
1017 if (was_disabled != ssid->disabled) {
1019 ssid->disabled_for_connect = 1;
1020 wpas_notify_network_enabled_changed(wpa_s,
1029 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
1030 struct wpa_ssid *selected, const u8 *bssid)
1032 struct wpa_bss *bss;
1034 wpa_s->after_wps = 0;
1035 wpa_s->known_wps_freq = 0;
1037 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1038 if (bss && bss->freq > 0) {
1039 wpa_s->known_wps_freq = 1;
1040 wpa_s->wps_freq = bss->freq;
1044 wpas_wps_temp_disable(wpa_s, selected);
1046 wpa_s->disconnected = 0;
1047 wpa_s->reassociate = 1;
1048 wpa_s->scan_runs = 0;
1049 wpa_s->normal_scans = 0;
1050 wpa_s->wps_success = 0;
1051 wpa_s->blacklist_cleared = 0;
1052 wpa_supplicant_req_scan(wpa_s, 0, 0);
1056 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1059 struct wpa_ssid *ssid;
1060 wpas_clear_wps(wpa_s);
1061 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
1064 ssid->temporary = 1;
1065 ssid->p2p_group = p2p_group;
1067 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1068 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1070 ssid->ssid_len = wpa_s->go_params->ssid_len;
1071 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1073 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1074 "SSID", ssid->ssid, ssid->ssid_len);
1077 #endif /* CONFIG_P2P */
1078 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
1080 if (wpa_s->wps_fragment_size)
1081 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1082 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1084 wpas_wps_reassoc(wpa_s, ssid, bssid);
1089 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1090 const char *pin, int p2p_group, u16 dev_pw_id)
1092 struct wpa_ssid *ssid;
1094 unsigned int rpin = 0;
1096 wpas_clear_wps(wpa_s);
1097 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
1100 ssid->temporary = 1;
1101 ssid->p2p_group = p2p_group;
1103 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1104 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1106 ssid->ssid_len = wpa_s->go_params->ssid_len;
1107 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1109 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1110 "SSID", ssid->ssid, ssid->ssid_len);
1113 #endif /* CONFIG_P2P */
1115 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
1118 rpin = wps_generate_pin();
1119 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
1122 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1124 if (wpa_s->wps_fragment_size)
1125 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1126 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1128 wpa_s->wps_ap_iter = 1;
1129 wpas_wps_reassoc(wpa_s, ssid, bssid);
1134 /* Cancel the wps pbc/pin requests */
1135 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1138 if (wpa_s->ap_iface) {
1139 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1140 return wpa_supplicant_ap_wps_cancel(wpa_s);
1142 #endif /* CONFIG_AP */
1144 if (wpa_s->wpa_state == WPA_SCANNING ||
1145 wpa_s->wpa_state == WPA_DISCONNECTED) {
1146 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1147 wpa_supplicant_cancel_scan(wpa_s);
1148 wpas_clear_wps(wpa_s);
1149 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1150 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1152 wpa_supplicant_deauthenticate(wpa_s,
1153 WLAN_REASON_DEAUTH_LEAVING);
1154 wpas_clear_wps(wpa_s);
1156 wpas_wps_reenable_networks(wpa_s);
1157 wpas_wps_clear_ap_info(wpa_s);
1164 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
1165 const char *pin, struct wps_new_ap_settings *settings)
1167 struct wpa_ssid *ssid;
1174 wpas_clear_wps(wpa_s);
1175 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
1178 ssid->temporary = 1;
1180 end = pos + sizeof(val);
1181 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
1182 if (res < 0 || res >= end - pos)
1186 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1187 "new_encr=%s new_key=%s",
1188 settings->ssid_hex, settings->auth,
1189 settings->encr, settings->key_hex);
1190 if (res < 0 || res >= end - pos)
1194 res = os_snprintf(pos, end - pos, "\"");
1195 if (res < 0 || res >= end - pos)
1197 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1199 if (wpa_s->wps_fragment_size)
1200 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1201 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1203 wpas_wps_reassoc(wpa_s, ssid, bssid);
1208 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
1211 wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
1212 "STA " MACSTR, MAC2STR(mac_addr));
1213 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1221 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1222 const struct wps_device_data *dev)
1224 char uuid[40], txt[400];
1226 char devtype[WPS_DEV_TYPE_BUFSIZE];
1227 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1229 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1230 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1231 " [%s|%s|%s|%s|%s|%s]",
1232 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1233 dev->manufacturer, dev->model_name,
1234 dev->model_number, dev->serial_number,
1235 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1237 if (len > 0 && len < (int) sizeof(txt))
1238 wpa_printf(MSG_INFO, "%s", txt);
1242 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1243 u16 sel_reg_config_methods)
1245 #ifdef CONFIG_WPS_ER
1246 struct wpa_supplicant *wpa_s = ctx;
1248 if (wpa_s->wps_er == NULL)
1250 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1251 "dev_password_id=%u sel_reg_config_methods=0x%x",
1252 sel_reg, dev_passwd_id, sel_reg_config_methods);
1253 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1254 sel_reg_config_methods);
1255 #endif /* CONFIG_WPS_ER */
1259 static u16 wps_fix_config_methods(u16 config_methods)
1262 if ((config_methods &
1263 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1264 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1265 wpa_printf(MSG_INFO, "WPS: Converting display to "
1266 "virtual_display for WPS 2.0 compliance");
1267 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1269 if ((config_methods &
1270 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1271 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1272 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1273 "virtual_push_button for WPS 2.0 compliance");
1274 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1276 #endif /* CONFIG_WPS2 */
1278 return config_methods;
1282 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1283 struct wps_context *wps)
1285 wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
1286 if (is_nil_uuid(wpa_s->conf->uuid)) {
1287 struct wpa_supplicant *first;
1288 first = wpa_s->global->ifaces;
1289 while (first && first->next)
1290 first = first->next;
1291 if (first && first != wpa_s) {
1292 if (wps != wpa_s->global->ifaces->wps)
1293 os_memcpy(wps->uuid,
1294 wpa_s->global->ifaces->wps->uuid,
1296 wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
1297 "interface", wps->uuid, WPS_UUID_LEN);
1299 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1300 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1301 "address", wps->uuid, WPS_UUID_LEN);
1304 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1305 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
1306 wps->uuid, WPS_UUID_LEN);
1311 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1312 struct wps_context *wps)
1314 wpabuf_free(wps->dev.vendor_ext_m1);
1315 wps->dev.vendor_ext_m1 = NULL;
1317 if (wpa_s->conf->wps_vendor_ext_m1) {
1318 wps->dev.vendor_ext_m1 =
1319 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1320 if (!wps->dev.vendor_ext_m1) {
1321 wpa_printf(MSG_ERROR, "WPS: Cannot "
1322 "allocate memory for vendor_ext_m1");
1328 int wpas_wps_init(struct wpa_supplicant *wpa_s)
1330 struct wps_context *wps;
1331 struct wps_registrar_config rcfg;
1332 struct hostapd_hw_modes *modes;
1335 wps = os_zalloc(sizeof(*wps));
1339 wps->cred_cb = wpa_supplicant_wps_cred;
1340 wps->event_cb = wpa_supplicant_wps_event;
1341 wps->rf_band_cb = wpa_supplicant_wps_rf_band;
1342 wps->cb_ctx = wpa_s;
1344 wps->dev.device_name = wpa_s->conf->device_name;
1345 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1346 wps->dev.model_name = wpa_s->conf->model_name;
1347 wps->dev.model_number = wpa_s->conf->model_number;
1348 wps->dev.serial_number = wpa_s->conf->serial_number;
1349 wps->config_methods =
1350 wps_config_methods_str2bin(wpa_s->conf->config_methods);
1351 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1352 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1353 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1354 "methods are not allowed at the same time");
1358 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1359 wps->dev.config_methods = wps->config_methods;
1360 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1363 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1364 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1365 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
1367 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1369 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1370 modes = wpa_s->hw.modes;
1372 for (m = 0; m < wpa_s->hw.num_modes; m++) {
1373 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1374 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1375 wps->dev.rf_bands |= WPS_RF_24GHZ;
1376 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1377 wps->dev.rf_bands |= WPS_RF_50GHZ;
1380 if (wps->dev.rf_bands == 0) {
1382 * Default to claiming support for both bands if the driver
1383 * does not provide support for fetching supported bands.
1385 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1387 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
1388 wpas_wps_set_uuid(wpa_s, wps);
1390 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1391 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1393 os_memset(&rcfg, 0, sizeof(rcfg));
1394 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1395 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
1396 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
1397 rcfg.cb_ctx = wpa_s;
1399 wps->registrar = wps_registrar_init(wps, &rcfg);
1400 if (wps->registrar == NULL) {
1401 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1412 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1414 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
1415 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
1416 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
1417 wpas_wps_clear_ap_info(wpa_s);
1419 if (wpa_s->wps == NULL)
1422 #ifdef CONFIG_WPS_ER
1423 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1424 wpa_s->wps_er = NULL;
1425 #endif /* CONFIG_WPS_ER */
1427 wps_registrar_deinit(wpa_s->wps->registrar);
1428 wpabuf_free(wpa_s->wps->dh_pubkey);
1429 wpabuf_free(wpa_s->wps->dh_privkey);
1430 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
1431 os_free(wpa_s->wps->network_key);
1432 os_free(wpa_s->wps);
1437 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
1438 struct wpa_ssid *ssid, struct wpa_bss *bss)
1440 struct wpabuf *wps_ie;
1442 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1445 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1446 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1448 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1452 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1453 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1454 "without active PBC Registrar");
1455 wpabuf_free(wps_ie);
1459 /* TODO: overlap detection */
1460 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1462 wpabuf_free(wps_ie);
1466 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1468 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1473 * Start with WPS APs that advertise our address as an
1474 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1475 * allow any WPS AP after couple of scans since some APs do not
1476 * set Selected Registrar attribute properly when using
1477 * external Registrar.
1479 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
1480 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1481 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1482 "without active PIN Registrar");
1483 wpabuf_free(wps_ie);
1486 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1488 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1489 "(Authorized MAC or Active PIN)");
1491 wpabuf_free(wps_ie);
1496 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1497 wpabuf_free(wps_ie);
1505 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1506 struct wpa_ssid *ssid,
1507 struct wpa_bss *bss)
1509 struct wpabuf *wps_ie = NULL;
1512 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1513 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1514 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1515 /* allow wildcard SSID for WPS PBC */
1518 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1519 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1521 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
1522 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
1523 /* allow wildcard SSID for WPS PIN */
1528 if (!ret && ssid->bssid_set &&
1529 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1530 /* allow wildcard SSID due to hardcoded BSSID match */
1534 #ifdef CONFIG_WPS_STRICT
1536 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1539 if (bss->beacon_ie_len) {
1540 struct wpabuf *bcn_wps;
1541 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
1542 bss, WPS_IE_VENDOR_TYPE);
1543 if (bcn_wps == NULL) {
1544 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1545 "missing from AP Beacon");
1548 if (wps_validate_beacon(wps_ie) < 0)
1550 wpabuf_free(bcn_wps);
1554 #endif /* CONFIG_WPS_STRICT */
1556 wpabuf_free(wps_ie);
1562 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
1563 struct wpa_bss *selected, struct wpa_ssid *ssid)
1565 const u8 *sel_uuid, *uuid;
1566 struct wpabuf *wps_ie;
1568 struct wpa_bss *bss;
1570 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1573 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1574 "present in scan results; selected BSSID " MACSTR,
1575 MAC2STR(selected->bssid));
1577 /* Make sure that only one AP is in active PBC mode */
1578 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
1580 sel_uuid = wps_get_uuid_e(wps_ie);
1581 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1582 sel_uuid, UUID_LEN);
1584 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1589 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1591 if (bss == selected)
1593 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1596 if (!wps_is_selected_pbc_registrar(ie)) {
1600 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1601 MACSTR, MAC2STR(bss->bssid));
1602 uuid = wps_get_uuid_e(ie);
1603 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1605 if (sel_uuid == NULL || uuid == NULL ||
1606 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
1607 ret = 1; /* PBC overlap */
1608 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1609 MACSTR " and " MACSTR,
1610 MAC2STR(selected->bssid),
1611 MAC2STR(bss->bssid));
1616 /* TODO: verify that this is reasonable dual-band situation */
1621 wpabuf_free(wps_ie);
1627 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1629 struct wpa_bss *bss;
1630 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
1632 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1635 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1637 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1640 if (wps_is_selected_pbc_registrar(ie))
1642 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1644 else if (wps_is_selected_pin_registrar(ie))
1652 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1654 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1656 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1658 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
1662 int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1664 struct wpa_ssid *ssid;
1666 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1667 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1675 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1678 struct wpabuf *wps_ie;
1681 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1685 ret = wps_attr_text(wps_ie, buf, end);
1686 wpabuf_free(wps_ie);
1691 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
1693 #ifdef CONFIG_WPS_ER
1694 if (wpa_s->wps_er) {
1695 wps_er_refresh(wpa_s->wps_er);
1698 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
1699 if (wpa_s->wps_er == NULL)
1702 #else /* CONFIG_WPS_ER */
1704 #endif /* CONFIG_WPS_ER */
1708 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1710 #ifdef CONFIG_WPS_ER
1711 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1712 wpa_s->wps_er = NULL;
1713 #endif /* CONFIG_WPS_ER */
1718 #ifdef CONFIG_WPS_ER
1719 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1720 const char *uuid, const char *pin)
1723 const u8 *use_uuid = NULL;
1724 u8 addr_buf[ETH_ALEN];
1726 if (os_strcmp(uuid, "any") == 0) {
1727 } else if (uuid_str2bin(uuid, u) == 0) {
1729 } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1730 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1731 if (use_uuid == NULL)
1735 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1737 (const u8 *) pin, os_strlen(pin), 300);
1741 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1743 u8 u[UUID_LEN], *use_uuid = NULL;
1744 u8 addr[ETH_ALEN], *use_addr = NULL;
1746 if (uuid_str2bin(uuid, u) == 0)
1748 else if (hwaddr_aton(uuid, addr) == 0)
1752 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
1756 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1759 u8 u[UUID_LEN], *use_uuid = NULL;
1760 u8 addr[ETH_ALEN], *use_addr = NULL;
1762 if (uuid_str2bin(uuid, u) == 0)
1764 else if (hwaddr_aton(uuid, addr) == 0)
1769 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
1774 static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
1775 struct wps_credential *cred)
1777 os_memset(cred, 0, sizeof(*cred));
1778 if (ssid->ssid_len > 32)
1780 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
1781 cred->ssid_len = ssid->ssid_len;
1782 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1783 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1784 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1785 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1786 cred->encr_type = WPS_ENCR_AES;
1788 cred->encr_type = WPS_ENCR_TKIP;
1789 if (ssid->passphrase) {
1790 cred->key_len = os_strlen(ssid->passphrase);
1791 if (cred->key_len >= 64)
1793 os_memcpy(cred->key, ssid->passphrase, cred->key_len);
1794 } else if (ssid->psk_set) {
1796 os_memcpy(cred->key, ssid->psk, 32);
1800 cred->auth_type = WPS_AUTH_OPEN;
1801 cred->encr_type = WPS_ENCR_NONE;
1808 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1811 u8 u[UUID_LEN], *use_uuid = NULL;
1812 u8 addr[ETH_ALEN], *use_addr = NULL;
1813 struct wpa_ssid *ssid;
1814 struct wps_credential cred;
1816 if (uuid_str2bin(uuid, u) == 0)
1818 else if (hwaddr_aton(uuid, addr) == 0)
1822 ssid = wpa_config_get_network(wpa_s->conf, id);
1823 if (ssid == NULL || ssid->ssid == NULL)
1826 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
1828 return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
1832 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1833 const char *pin, struct wps_new_ap_settings *settings)
1835 u8 u[UUID_LEN], *use_uuid = NULL;
1836 u8 addr[ETH_ALEN], *use_addr = NULL;
1837 struct wps_credential cred;
1840 if (uuid_str2bin(uuid, u) == 0)
1842 else if (hwaddr_aton(uuid, addr) == 0)
1846 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1847 settings->encr == NULL || settings->key_hex == NULL)
1850 os_memset(&cred, 0, sizeof(cred));
1851 len = os_strlen(settings->ssid_hex);
1852 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1853 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1855 cred.ssid_len = len / 2;
1857 len = os_strlen(settings->key_hex);
1858 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1859 hexstr2bin(settings->key_hex, cred.key, len / 2))
1861 cred.key_len = len / 2;
1863 if (os_strcmp(settings->auth, "OPEN") == 0)
1864 cred.auth_type = WPS_AUTH_OPEN;
1865 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1866 cred.auth_type = WPS_AUTH_WPAPSK;
1867 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1868 cred.auth_type = WPS_AUTH_WPA2PSK;
1872 if (os_strcmp(settings->encr, "NONE") == 0)
1873 cred.encr_type = WPS_ENCR_NONE;
1874 else if (os_strcmp(settings->encr, "WEP") == 0)
1875 cred.encr_type = WPS_ENCR_WEP;
1876 else if (os_strcmp(settings->encr, "TKIP") == 0)
1877 cred.encr_type = WPS_ENCR_TKIP;
1878 else if (os_strcmp(settings->encr, "CCMP") == 0)
1879 cred.encr_type = WPS_ENCR_AES;
1883 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
1884 (const u8 *) pin, os_strlen(pin), &cred);
1888 #ifdef CONFIG_WPS_NFC
1889 struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
1890 int ndef, const char *uuid)
1893 u8 u[UUID_LEN], *use_uuid = NULL;
1894 u8 addr[ETH_ALEN], *use_addr = NULL;
1899 if (uuid_str2bin(uuid, u) == 0)
1901 else if (hwaddr_aton(uuid, addr) == 0)
1906 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
1909 tmp = ndef_build_wifi(ret);
1918 #endif /* CONFIG_WPS_NFC */
1921 static int callbacks_pending = 0;
1923 static void wpas_wps_terminate_cb(void *ctx)
1925 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1926 if (--callbacks_pending <= 0)
1929 #endif /* CONFIG_WPS_ER */
1932 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1934 #ifdef CONFIG_WPS_ER
1935 if (wpa_s->wps_er) {
1936 callbacks_pending++;
1937 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1938 wpa_s->wps_er = NULL;
1941 #endif /* CONFIG_WPS_ER */
1946 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
1948 struct wpa_ssid *ssid;
1950 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1951 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
1959 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
1961 struct wps_context *wps = wpa_s->wps;
1966 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
1967 wps->config_methods = wps_config_methods_str2bin(
1968 wpa_s->conf->config_methods);
1969 if ((wps->config_methods &
1970 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1971 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1972 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
1973 "config methods are not allowed at the "
1975 wps->config_methods &= ~WPS_CONFIG_LABEL;
1978 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1979 wps->dev.config_methods = wps->config_methods;
1981 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
1982 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1985 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
1986 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1987 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1988 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
1991 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
1992 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1994 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
1995 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1997 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
1998 wpas_wps_set_uuid(wpa_s, wps);
2000 if (wpa_s->conf->changed_parameters &
2001 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
2002 /* Update pointers to make sure they refer current values */
2003 wps->dev.device_name = wpa_s->conf->device_name;
2004 wps->dev.manufacturer = wpa_s->conf->manufacturer;
2005 wps->dev.model_name = wpa_s->conf->model_name;
2006 wps->dev.model_number = wpa_s->conf->model_number;
2007 wps->dev.serial_number = wpa_s->conf->serial_number;
2012 #ifdef CONFIG_WPS_NFC
2014 #ifdef CONFIG_WPS_ER
2015 static struct wpabuf *
2016 wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
2017 struct wpa_ssid *ssid)
2020 struct wps_credential cred;
2022 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
2025 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
2029 tmp = ndef_build_wifi(ret);
2038 #endif /* CONFIG_WPS_ER */
2041 struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
2042 int ndef, const char *id_str)
2044 #ifdef CONFIG_WPS_ER
2048 struct wpa_ssid *ssid;
2050 id = strtol(id_str, &end, 10);
2054 ssid = wpa_config_get_network(wpa_s->conf, id);
2057 return wpas_wps_network_config_token(wpa_s, ndef, ssid);
2059 #endif /* CONFIG_WPS_ER */
2061 if (wpa_s->ap_iface)
2062 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
2063 #endif /* CONFIG_AP */
2068 struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
2070 if (wpa_s->conf->wps_nfc_pw_from_config) {
2071 return wps_nfc_token_build(ndef,
2072 wpa_s->conf->wps_nfc_dev_pw_id,
2073 wpa_s->conf->wps_nfc_dh_pubkey,
2074 wpa_s->conf->wps_nfc_dev_pw);
2077 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
2078 &wpa_s->conf->wps_nfc_dh_pubkey,
2079 &wpa_s->conf->wps_nfc_dh_privkey,
2080 &wpa_s->conf->wps_nfc_dev_pw);
2084 int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2086 struct wps_context *wps = wpa_s->wps;
2087 char pw[32 * 2 + 1];
2089 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
2090 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
2091 wpa_s->conf->wps_nfc_dev_pw == NULL)
2094 dh5_free(wps->dh_ctx);
2095 wpabuf_free(wps->dh_pubkey);
2096 wpabuf_free(wps->dh_privkey);
2097 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2098 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2099 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
2101 wpabuf_free(wps->dh_pubkey);
2102 wps->dh_pubkey = NULL;
2103 wpabuf_free(wps->dh_privkey);
2104 wps->dh_privkey = NULL;
2107 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
2108 if (wps->dh_ctx == NULL) {
2109 wpabuf_free(wps->dh_pubkey);
2110 wps->dh_pubkey = NULL;
2111 wpabuf_free(wps->dh_privkey);
2112 wps->dh_privkey = NULL;
2116 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
2117 wpabuf_head(wpa_s->conf->wps_nfc_dev_pw),
2118 wpabuf_len(wpa_s->conf->wps_nfc_dev_pw));
2119 return wpas_wps_start_pin(wpa_s, bssid, pw, 0,
2120 wpa_s->conf->wps_nfc_dev_pw_id);
2124 static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
2125 struct wps_parse_attr *attr)
2127 wpa_s->wps_ap_channel = 0;
2130 * Disable existing networks temporarily to allow the newly learned
2131 * credential to be preferred. Enable the temporarily disabled networks
2134 wpas_wps_temp_disable(wpa_s, NULL);
2135 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
2138 if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
2141 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
2144 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
2145 "based on the received credential added");
2146 wpa_s->normal_scans = 0;
2147 wpa_supplicant_reinit_autoscan(wpa_s);
2148 if (wpa_s->wps_ap_channel) {
2149 u16 chan = wpa_s->wps_ap_channel;
2152 if (chan >= 1 && chan <= 13)
2153 freq = 2407 + 5 * chan;
2154 else if (chan == 14)
2156 else if (chan >= 30)
2157 freq = 5000 + 5 * chan;
2160 wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
2161 "AP channel %u -> %u MHz", chan, freq);
2162 wpa_s->after_wps = 5;
2163 wpa_s->wps_freq = freq;
2166 wpa_s->disconnected = 0;
2167 wpa_s->reassociate = 1;
2168 wpa_supplicant_req_scan(wpa_s, 0, 0);
2174 #ifdef CONFIG_WPS_ER
2175 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
2176 struct wps_parse_attr *attr)
2178 return wps_registrar_add_nfc_password_token(
2179 wpa_s->wps->registrar, attr->oob_dev_password,
2180 attr->oob_dev_password_len);
2182 #endif /* CONFIG_WPS_ER */
2185 static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2186 const struct wpabuf *wps)
2188 struct wps_parse_attr attr;
2190 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2192 if (wps_parse_msg(wps, &attr)) {
2193 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2198 return wpas_wps_use_cred(wpa_s, &attr);
2200 #ifdef CONFIG_WPS_ER
2201 if (attr.oob_dev_password)
2202 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2203 #endif /* CONFIG_WPS_ER */
2205 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2210 int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
2211 const struct wpabuf *data)
2213 const struct wpabuf *wps = data;
2214 struct wpabuf *tmp = NULL;
2217 if (wpabuf_len(data) < 4)
2220 if (*wpabuf_head_u8(data) != 0x10) {
2221 /* Assume this contains full NDEF record */
2222 tmp = ndef_parse_wifi(data);
2224 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2230 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2236 struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr)
2239 return ndef_build_wifi_hc(1);
2240 return ndef_build_wifi_hr();
2244 #ifdef CONFIG_WPS_NFC
2245 struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2246 int ndef, const char *uuid)
2248 #ifdef CONFIG_WPS_ER
2250 u8 u[UUID_LEN], *use_uuid = NULL;
2251 u8 addr[ETH_ALEN], *use_addr = NULL;
2258 if (uuid_str2bin(uuid, u) == 0)
2260 else if (hwaddr_aton(uuid, addr) == 0)
2266 * Handover Select carrier record for WPS uses the same format as
2267 * configuration token.
2269 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
2272 tmp = ndef_build_wifi(ret);
2280 #else /* CONFIG_WPS_ER */
2282 #endif /* CONFIG_WPS_ER */
2284 #endif /* CONFIG_WPS_NFC */
2287 struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2288 int ndef, int cr, const char *uuid)
2293 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2296 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
2300 int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
2301 const struct wpabuf *data)
2308 int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2309 const struct wpabuf *data)
2314 wps = ndef_parse_wifi(data);
2317 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2318 "payload from NFC connection handover");
2319 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps);
2320 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2327 int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2328 const struct wpabuf *req,
2329 const struct wpabuf *sel)
2331 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2332 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2333 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2334 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2337 #endif /* CONFIG_WPS_NFC */
2340 extern int wpa_debug_level;
2342 static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2347 if (wpa_debug_level > MSG_DEBUG)
2350 if (wpa_s->wps_ap == NULL)
2355 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2356 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2357 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2359 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2360 "tries=%d last_attempt=%d sec ago blacklist=%d",
2361 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2362 ap->last_attempt.sec > 0 ?
2363 (int) now.sec - (int) ap->last_attempt.sec : -1,
2369 static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2374 if (wpa_s->wps_ap == NULL)
2377 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2378 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2379 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2387 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2388 struct wpa_scan_res *res)
2391 enum wps_ap_info_type type;
2392 struct wps_ap_info *ap;
2395 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2398 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2402 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2404 type = WPS_AP_SEL_REG_OUR;
2406 type = WPS_AP_SEL_REG;
2408 type = WPS_AP_NOT_SEL_REG;
2412 ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2414 if (ap->type != type) {
2415 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2416 " changed type %d -> %d",
2417 MAC2STR(res->bssid), ap->type, type);
2419 if (type != WPS_AP_NOT_SEL_REG)
2420 wpa_blacklist_del(wpa_s, ap->bssid);
2425 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2426 sizeof(struct wps_ap_info));
2431 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2432 wpa_s->num_wps_ap++;
2434 os_memset(ap, 0, sizeof(*ap));
2435 os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2437 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2438 MAC2STR(ap->bssid), ap->type);
2442 void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2443 struct wpa_scan_results *scan_res)
2447 for (i = 0; i < scan_res->num; i++)
2448 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2450 wpas_wps_dump_ap_info(wpa_s);
2454 void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2456 struct wps_ap_info *ap;
2457 if (!wpa_s->wps_ap_iter)
2459 ap = wpas_wps_get_ap_info(wpa_s, bssid);
2463 os_get_time(&ap->last_attempt);