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 wpa_s->after_wps = 0;
886 wpa_s->known_wps_freq = 0;
888 prev_current = wpa_s->current_ssid;
890 /* Enable the networks disabled during wpas_wps_reassoc */
891 wpas_wps_reenable_networks(wpa_s);
893 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
895 /* Remove any existing WPS network from configuration */
896 ssid = wpa_s->conf->ssid;
898 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
899 if (ssid == wpa_s->current_ssid) {
900 wpa_supplicant_deauthenticate(
901 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
909 if (prev_current == remove_ssid) {
910 wpa_sm_set_config(wpa_s->wpa, NULL);
911 eapol_sm_notify_config(wpa_s->eapol, NULL,
914 wpas_notify_network_removed(wpa_s, remove_ssid);
915 wpa_config_remove_network(wpa_s->conf, id);
919 wpas_wps_clear_ap_info(wpa_s);
923 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
925 struct wpa_supplicant *wpa_s = eloop_ctx;
926 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
928 wpas_clear_wps(wpa_s);
932 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
933 int registrar, const u8 *bssid)
935 struct wpa_ssid *ssid;
937 ssid = wpa_config_add_network(wpa_s->conf);
940 wpas_notify_network_added(wpa_s, ssid);
941 wpa_config_set_network_defaults(ssid);
943 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
944 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
945 wpa_config_set(ssid, "identity", registrar ?
946 "\"" WSC_ID_REGISTRAR "\"" :
947 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
948 wpas_notify_network_removed(wpa_s, ssid);
949 wpa_config_remove_network(wpa_s->conf, ssid->id);
957 #endif /* CONFIG_P2P */
959 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
963 * Note: With P2P, the SSID may change at the time the WPS
964 * provisioning is started, so better not filter the AP based
965 * on the current SSID in the scan results.
968 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
969 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
973 ssid->ssid = os_malloc(bss->ssid_len);
974 if (ssid->ssid == NULL)
976 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
977 ssid->ssid_len = bss->ssid_len;
978 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
980 ssid->ssid, ssid->ssid_len);
985 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
986 "for the AP; use wildcard");
991 #endif /* CONFIG_P2P */
998 static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
999 struct wpa_ssid *selected)
1001 struct wpa_ssid *ssid;
1003 if (wpa_s->current_ssid)
1004 wpa_supplicant_deauthenticate(
1005 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1007 /* Mark all other networks disabled and trigger reassociation */
1008 ssid = wpa_s->conf->ssid;
1010 int was_disabled = ssid->disabled;
1011 ssid->disabled_for_connect = 0;
1013 * In case the network object corresponds to a persistent group
1014 * then do not send out network disabled signal. In addition,
1015 * do not change disabled status of persistent network objects
1016 * from 2 to 1 should we connect to another network.
1018 if (was_disabled != 2) {
1019 ssid->disabled = ssid != selected;
1020 if (was_disabled != ssid->disabled) {
1022 ssid->disabled_for_connect = 1;
1023 wpas_notify_network_enabled_changed(wpa_s,
1032 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
1033 struct wpa_ssid *selected, const u8 *bssid)
1035 struct wpa_bss *bss;
1037 wpa_s->after_wps = 0;
1038 wpa_s->known_wps_freq = 0;
1040 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1041 if (bss && bss->freq > 0) {
1042 wpa_s->known_wps_freq = 1;
1043 wpa_s->wps_freq = bss->freq;
1047 wpas_wps_temp_disable(wpa_s, selected);
1049 wpa_s->disconnected = 0;
1050 wpa_s->reassociate = 1;
1051 wpa_s->scan_runs = 0;
1052 wpa_s->normal_scans = 0;
1053 wpa_s->wps_success = 0;
1054 wpa_s->blacklist_cleared = 0;
1056 wpa_supplicant_cancel_sched_scan(wpa_s);
1057 wpa_supplicant_req_scan(wpa_s, 0, 0);
1061 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1064 struct wpa_ssid *ssid;
1065 wpas_clear_wps(wpa_s);
1066 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
1069 ssid->temporary = 1;
1070 ssid->p2p_group = p2p_group;
1072 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1073 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1075 ssid->ssid_len = wpa_s->go_params->ssid_len;
1076 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1078 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1079 "SSID", ssid->ssid, ssid->ssid_len);
1082 #endif /* CONFIG_P2P */
1083 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
1085 if (wpa_s->wps_fragment_size)
1086 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1087 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1089 wpas_wps_reassoc(wpa_s, ssid, bssid);
1094 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1095 const char *pin, int p2p_group, u16 dev_pw_id)
1097 struct wpa_ssid *ssid;
1099 unsigned int rpin = 0;
1101 wpas_clear_wps(wpa_s);
1102 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
1105 ssid->temporary = 1;
1106 ssid->p2p_group = p2p_group;
1108 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1109 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1111 ssid->ssid_len = wpa_s->go_params->ssid_len;
1112 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1114 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1115 "SSID", ssid->ssid, ssid->ssid_len);
1118 #endif /* CONFIG_P2P */
1120 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
1123 rpin = wps_generate_pin();
1124 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
1127 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1129 if (wpa_s->wps_fragment_size)
1130 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1131 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1133 wpa_s->wps_ap_iter = 1;
1134 wpas_wps_reassoc(wpa_s, ssid, bssid);
1139 /* Cancel the wps pbc/pin requests */
1140 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1143 if (wpa_s->ap_iface) {
1144 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1145 return wpa_supplicant_ap_wps_cancel(wpa_s);
1147 #endif /* CONFIG_AP */
1149 if (wpa_s->wpa_state == WPA_SCANNING ||
1150 wpa_s->wpa_state == WPA_DISCONNECTED) {
1151 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1152 wpa_supplicant_cancel_scan(wpa_s);
1153 wpas_clear_wps(wpa_s);
1154 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1155 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1157 wpa_supplicant_deauthenticate(wpa_s,
1158 WLAN_REASON_DEAUTH_LEAVING);
1159 wpas_clear_wps(wpa_s);
1161 wpas_wps_reenable_networks(wpa_s);
1162 wpas_wps_clear_ap_info(wpa_s);
1165 wpa_s->after_wps = 0;
1171 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
1172 const char *pin, struct wps_new_ap_settings *settings)
1174 struct wpa_ssid *ssid;
1181 wpas_clear_wps(wpa_s);
1182 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
1185 ssid->temporary = 1;
1187 end = pos + sizeof(val);
1188 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
1189 if (res < 0 || res >= end - pos)
1193 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1194 "new_encr=%s new_key=%s",
1195 settings->ssid_hex, settings->auth,
1196 settings->encr, settings->key_hex);
1197 if (res < 0 || res >= end - pos)
1201 res = os_snprintf(pos, end - pos, "\"");
1202 if (res < 0 || res >= end - pos)
1204 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1206 if (wpa_s->wps_fragment_size)
1207 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1208 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1210 wpas_wps_reassoc(wpa_s, ssid, bssid);
1215 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
1216 const u8 *p2p_dev_addr, const u8 *psk,
1219 if (is_zero_ether_addr(p2p_dev_addr)) {
1220 wpa_printf(MSG_DEBUG,
1221 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
1224 wpa_printf(MSG_DEBUG,
1225 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1226 " P2P Device Addr " MACSTR,
1227 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
1229 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1237 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1238 const struct wps_device_data *dev)
1240 char uuid[40], txt[400];
1242 char devtype[WPS_DEV_TYPE_BUFSIZE];
1243 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1245 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1246 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1247 " [%s|%s|%s|%s|%s|%s]",
1248 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1249 dev->manufacturer, dev->model_name,
1250 dev->model_number, dev->serial_number,
1251 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1253 if (len > 0 && len < (int) sizeof(txt))
1254 wpa_printf(MSG_INFO, "%s", txt);
1258 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1259 u16 sel_reg_config_methods)
1261 #ifdef CONFIG_WPS_ER
1262 struct wpa_supplicant *wpa_s = ctx;
1264 if (wpa_s->wps_er == NULL)
1266 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1267 "dev_password_id=%u sel_reg_config_methods=0x%x",
1268 sel_reg, dev_passwd_id, sel_reg_config_methods);
1269 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1270 sel_reg_config_methods);
1271 #endif /* CONFIG_WPS_ER */
1275 static u16 wps_fix_config_methods(u16 config_methods)
1278 if ((config_methods &
1279 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1280 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1281 wpa_printf(MSG_INFO, "WPS: Converting display to "
1282 "virtual_display for WPS 2.0 compliance");
1283 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1285 if ((config_methods &
1286 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1287 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1288 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1289 "virtual_push_button for WPS 2.0 compliance");
1290 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1292 #endif /* CONFIG_WPS2 */
1294 return config_methods;
1298 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1299 struct wps_context *wps)
1301 wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
1302 if (is_nil_uuid(wpa_s->conf->uuid)) {
1303 struct wpa_supplicant *first;
1304 first = wpa_s->global->ifaces;
1305 while (first && first->next)
1306 first = first->next;
1307 if (first && first != wpa_s) {
1308 if (wps != wpa_s->global->ifaces->wps)
1309 os_memcpy(wps->uuid,
1310 wpa_s->global->ifaces->wps->uuid,
1312 wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
1313 "interface", wps->uuid, WPS_UUID_LEN);
1315 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1316 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1317 "address", wps->uuid, WPS_UUID_LEN);
1320 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1321 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
1322 wps->uuid, WPS_UUID_LEN);
1327 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1328 struct wps_context *wps)
1330 wpabuf_free(wps->dev.vendor_ext_m1);
1331 wps->dev.vendor_ext_m1 = NULL;
1333 if (wpa_s->conf->wps_vendor_ext_m1) {
1334 wps->dev.vendor_ext_m1 =
1335 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1336 if (!wps->dev.vendor_ext_m1) {
1337 wpa_printf(MSG_ERROR, "WPS: Cannot "
1338 "allocate memory for vendor_ext_m1");
1344 int wpas_wps_init(struct wpa_supplicant *wpa_s)
1346 struct wps_context *wps;
1347 struct wps_registrar_config rcfg;
1348 struct hostapd_hw_modes *modes;
1351 wps = os_zalloc(sizeof(*wps));
1355 wps->cred_cb = wpa_supplicant_wps_cred;
1356 wps->event_cb = wpa_supplicant_wps_event;
1357 wps->rf_band_cb = wpa_supplicant_wps_rf_band;
1358 wps->cb_ctx = wpa_s;
1360 wps->dev.device_name = wpa_s->conf->device_name;
1361 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1362 wps->dev.model_name = wpa_s->conf->model_name;
1363 wps->dev.model_number = wpa_s->conf->model_number;
1364 wps->dev.serial_number = wpa_s->conf->serial_number;
1365 wps->config_methods =
1366 wps_config_methods_str2bin(wpa_s->conf->config_methods);
1367 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1368 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1369 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1370 "methods are not allowed at the same time");
1374 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1375 wps->dev.config_methods = wps->config_methods;
1376 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1379 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1380 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1381 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
1383 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1385 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1386 modes = wpa_s->hw.modes;
1388 for (m = 0; m < wpa_s->hw.num_modes; m++) {
1389 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1390 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1391 wps->dev.rf_bands |= WPS_RF_24GHZ;
1392 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1393 wps->dev.rf_bands |= WPS_RF_50GHZ;
1396 if (wps->dev.rf_bands == 0) {
1398 * Default to claiming support for both bands if the driver
1399 * does not provide support for fetching supported bands.
1401 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1403 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
1404 wpas_wps_set_uuid(wpa_s, wps);
1406 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1407 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1409 os_memset(&rcfg, 0, sizeof(rcfg));
1410 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1411 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
1412 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
1413 rcfg.cb_ctx = wpa_s;
1415 wps->registrar = wps_registrar_init(wps, &rcfg);
1416 if (wps->registrar == NULL) {
1417 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1428 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1430 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
1431 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
1432 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
1433 wpas_wps_clear_ap_info(wpa_s);
1435 if (wpa_s->wps == NULL)
1438 #ifdef CONFIG_WPS_ER
1439 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1440 wpa_s->wps_er = NULL;
1441 #endif /* CONFIG_WPS_ER */
1443 wps_registrar_deinit(wpa_s->wps->registrar);
1444 wpabuf_free(wpa_s->wps->dh_pubkey);
1445 wpabuf_free(wpa_s->wps->dh_privkey);
1446 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
1447 os_free(wpa_s->wps->network_key);
1448 os_free(wpa_s->wps);
1453 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
1454 struct wpa_ssid *ssid, struct wpa_bss *bss)
1456 struct wpabuf *wps_ie;
1458 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1461 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1462 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1464 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1468 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1469 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1470 "without active PBC Registrar");
1471 wpabuf_free(wps_ie);
1475 /* TODO: overlap detection */
1476 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1478 wpabuf_free(wps_ie);
1482 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1484 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1489 * Start with WPS APs that advertise our address as an
1490 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1491 * allow any WPS AP after couple of scans since some APs do not
1492 * set Selected Registrar attribute properly when using
1493 * external Registrar.
1495 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
1496 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1497 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1498 "without active PIN Registrar");
1499 wpabuf_free(wps_ie);
1502 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1504 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1505 "(Authorized MAC or Active PIN)");
1507 wpabuf_free(wps_ie);
1512 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1513 wpabuf_free(wps_ie);
1521 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1522 struct wpa_ssid *ssid,
1523 struct wpa_bss *bss)
1525 struct wpabuf *wps_ie = NULL;
1528 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1529 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1530 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1531 /* allow wildcard SSID for WPS PBC */
1534 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1535 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1537 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
1538 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
1539 /* allow wildcard SSID for WPS PIN */
1544 if (!ret && ssid->bssid_set &&
1545 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1546 /* allow wildcard SSID due to hardcoded BSSID match */
1550 #ifdef CONFIG_WPS_STRICT
1552 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1555 if (bss->beacon_ie_len) {
1556 struct wpabuf *bcn_wps;
1557 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
1558 bss, WPS_IE_VENDOR_TYPE);
1559 if (bcn_wps == NULL) {
1560 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1561 "missing from AP Beacon");
1564 if (wps_validate_beacon(wps_ie) < 0)
1566 wpabuf_free(bcn_wps);
1570 #endif /* CONFIG_WPS_STRICT */
1572 wpabuf_free(wps_ie);
1578 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
1579 struct wpa_bss *selected, struct wpa_ssid *ssid)
1581 const u8 *sel_uuid, *uuid;
1582 struct wpabuf *wps_ie;
1584 struct wpa_bss *bss;
1586 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1589 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1590 "present in scan results; selected BSSID " MACSTR,
1591 MAC2STR(selected->bssid));
1593 /* Make sure that only one AP is in active PBC mode */
1594 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
1596 sel_uuid = wps_get_uuid_e(wps_ie);
1597 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1598 sel_uuid, UUID_LEN);
1600 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1605 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1607 if (bss == selected)
1609 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1612 if (!wps_is_selected_pbc_registrar(ie)) {
1616 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1617 MACSTR, MAC2STR(bss->bssid));
1618 uuid = wps_get_uuid_e(ie);
1619 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1621 if (sel_uuid == NULL || uuid == NULL ||
1622 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
1623 ret = 1; /* PBC overlap */
1624 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1625 MACSTR " and " MACSTR,
1626 MAC2STR(selected->bssid),
1627 MAC2STR(bss->bssid));
1632 /* TODO: verify that this is reasonable dual-band situation */
1637 wpabuf_free(wps_ie);
1643 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1645 struct wpa_bss *bss;
1646 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
1648 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1651 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1653 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1656 if (wps_is_selected_pbc_registrar(ie))
1658 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1660 else if (wps_is_selected_pin_registrar(ie))
1668 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1670 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1672 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1674 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
1678 int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1680 struct wpa_ssid *ssid;
1682 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1683 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1691 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1694 struct wpabuf *wps_ie;
1697 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1701 ret = wps_attr_text(wps_ie, buf, end);
1702 wpabuf_free(wps_ie);
1707 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
1709 #ifdef CONFIG_WPS_ER
1710 if (wpa_s->wps_er) {
1711 wps_er_refresh(wpa_s->wps_er);
1714 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
1715 if (wpa_s->wps_er == NULL)
1718 #else /* CONFIG_WPS_ER */
1720 #endif /* CONFIG_WPS_ER */
1724 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1726 #ifdef CONFIG_WPS_ER
1727 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1728 wpa_s->wps_er = NULL;
1729 #endif /* CONFIG_WPS_ER */
1734 #ifdef CONFIG_WPS_ER
1735 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1736 const char *uuid, const char *pin)
1739 const u8 *use_uuid = NULL;
1740 u8 addr_buf[ETH_ALEN];
1742 if (os_strcmp(uuid, "any") == 0) {
1743 } else if (uuid_str2bin(uuid, u) == 0) {
1745 } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1746 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1747 if (use_uuid == NULL)
1751 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1753 (const u8 *) pin, os_strlen(pin), 300);
1757 int wpas_wps_er_pbc(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)
1768 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
1772 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1775 u8 u[UUID_LEN], *use_uuid = NULL;
1776 u8 addr[ETH_ALEN], *use_addr = NULL;
1778 if (uuid_str2bin(uuid, u) == 0)
1780 else if (hwaddr_aton(uuid, addr) == 0)
1785 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
1790 static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
1791 struct wps_credential *cred)
1793 os_memset(cred, 0, sizeof(*cred));
1794 if (ssid->ssid_len > 32)
1796 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
1797 cred->ssid_len = ssid->ssid_len;
1798 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1799 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1800 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1801 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1802 cred->encr_type = WPS_ENCR_AES;
1804 cred->encr_type = WPS_ENCR_TKIP;
1805 if (ssid->passphrase) {
1806 cred->key_len = os_strlen(ssid->passphrase);
1807 if (cred->key_len >= 64)
1809 os_memcpy(cred->key, ssid->passphrase, cred->key_len);
1810 } else if (ssid->psk_set) {
1812 os_memcpy(cred->key, ssid->psk, 32);
1816 cred->auth_type = WPS_AUTH_OPEN;
1817 cred->encr_type = WPS_ENCR_NONE;
1824 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1827 u8 u[UUID_LEN], *use_uuid = NULL;
1828 u8 addr[ETH_ALEN], *use_addr = NULL;
1829 struct wpa_ssid *ssid;
1830 struct wps_credential cred;
1832 if (uuid_str2bin(uuid, u) == 0)
1834 else if (hwaddr_aton(uuid, addr) == 0)
1838 ssid = wpa_config_get_network(wpa_s->conf, id);
1839 if (ssid == NULL || ssid->ssid == NULL)
1842 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
1844 return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
1848 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1849 const char *pin, struct wps_new_ap_settings *settings)
1851 u8 u[UUID_LEN], *use_uuid = NULL;
1852 u8 addr[ETH_ALEN], *use_addr = NULL;
1853 struct wps_credential cred;
1856 if (uuid_str2bin(uuid, u) == 0)
1858 else if (hwaddr_aton(uuid, addr) == 0)
1862 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1863 settings->encr == NULL || settings->key_hex == NULL)
1866 os_memset(&cred, 0, sizeof(cred));
1867 len = os_strlen(settings->ssid_hex);
1868 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1869 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1871 cred.ssid_len = len / 2;
1873 len = os_strlen(settings->key_hex);
1874 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1875 hexstr2bin(settings->key_hex, cred.key, len / 2))
1877 cred.key_len = len / 2;
1879 if (os_strcmp(settings->auth, "OPEN") == 0)
1880 cred.auth_type = WPS_AUTH_OPEN;
1881 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1882 cred.auth_type = WPS_AUTH_WPAPSK;
1883 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1884 cred.auth_type = WPS_AUTH_WPA2PSK;
1888 if (os_strcmp(settings->encr, "NONE") == 0)
1889 cred.encr_type = WPS_ENCR_NONE;
1890 else if (os_strcmp(settings->encr, "WEP") == 0)
1891 cred.encr_type = WPS_ENCR_WEP;
1892 else if (os_strcmp(settings->encr, "TKIP") == 0)
1893 cred.encr_type = WPS_ENCR_TKIP;
1894 else if (os_strcmp(settings->encr, "CCMP") == 0)
1895 cred.encr_type = WPS_ENCR_AES;
1899 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
1900 (const u8 *) pin, os_strlen(pin), &cred);
1904 #ifdef CONFIG_WPS_NFC
1905 struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
1906 int ndef, const char *uuid)
1909 u8 u[UUID_LEN], *use_uuid = NULL;
1910 u8 addr[ETH_ALEN], *use_addr = NULL;
1915 if (uuid_str2bin(uuid, u) == 0)
1917 else if (hwaddr_aton(uuid, addr) == 0)
1922 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
1925 tmp = ndef_build_wifi(ret);
1934 #endif /* CONFIG_WPS_NFC */
1937 static int callbacks_pending = 0;
1939 static void wpas_wps_terminate_cb(void *ctx)
1941 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1942 if (--callbacks_pending <= 0)
1945 #endif /* CONFIG_WPS_ER */
1948 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1950 #ifdef CONFIG_WPS_ER
1951 if (wpa_s->wps_er) {
1952 callbacks_pending++;
1953 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1954 wpa_s->wps_er = NULL;
1957 #endif /* CONFIG_WPS_ER */
1962 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
1964 struct wpa_ssid *ssid;
1966 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1967 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
1975 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
1977 struct wps_context *wps = wpa_s->wps;
1982 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
1983 wps->config_methods = wps_config_methods_str2bin(
1984 wpa_s->conf->config_methods);
1985 if ((wps->config_methods &
1986 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1987 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1988 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
1989 "config methods are not allowed at the "
1991 wps->config_methods &= ~WPS_CONFIG_LABEL;
1994 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1995 wps->dev.config_methods = wps->config_methods;
1997 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
1998 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
2001 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
2002 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2003 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
2004 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
2007 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
2008 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
2010 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
2011 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
2013 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
2014 wpas_wps_set_uuid(wpa_s, wps);
2016 if (wpa_s->conf->changed_parameters &
2017 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
2018 /* Update pointers to make sure they refer current values */
2019 wps->dev.device_name = wpa_s->conf->device_name;
2020 wps->dev.manufacturer = wpa_s->conf->manufacturer;
2021 wps->dev.model_name = wpa_s->conf->model_name;
2022 wps->dev.model_number = wpa_s->conf->model_number;
2023 wps->dev.serial_number = wpa_s->conf->serial_number;
2028 #ifdef CONFIG_WPS_NFC
2030 #ifdef CONFIG_WPS_ER
2031 static struct wpabuf *
2032 wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
2033 struct wpa_ssid *ssid)
2036 struct wps_credential cred;
2038 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
2041 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
2045 tmp = ndef_build_wifi(ret);
2054 #endif /* CONFIG_WPS_ER */
2057 struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
2058 int ndef, const char *id_str)
2060 #ifdef CONFIG_WPS_ER
2064 struct wpa_ssid *ssid;
2066 id = strtol(id_str, &end, 10);
2070 ssid = wpa_config_get_network(wpa_s->conf, id);
2073 return wpas_wps_network_config_token(wpa_s, ndef, ssid);
2075 #endif /* CONFIG_WPS_ER */
2077 if (wpa_s->ap_iface)
2078 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
2079 #endif /* CONFIG_AP */
2084 struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
2086 if (wpa_s->conf->wps_nfc_pw_from_config) {
2087 return wps_nfc_token_build(ndef,
2088 wpa_s->conf->wps_nfc_dev_pw_id,
2089 wpa_s->conf->wps_nfc_dh_pubkey,
2090 wpa_s->conf->wps_nfc_dev_pw);
2093 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
2094 &wpa_s->conf->wps_nfc_dh_pubkey,
2095 &wpa_s->conf->wps_nfc_dh_privkey,
2096 &wpa_s->conf->wps_nfc_dev_pw);
2100 int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2102 struct wps_context *wps = wpa_s->wps;
2103 char pw[32 * 2 + 1];
2105 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
2106 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
2107 wpa_s->conf->wps_nfc_dev_pw == NULL)
2110 dh5_free(wps->dh_ctx);
2111 wpabuf_free(wps->dh_pubkey);
2112 wpabuf_free(wps->dh_privkey);
2113 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2114 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2115 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
2117 wpabuf_free(wps->dh_pubkey);
2118 wps->dh_pubkey = NULL;
2119 wpabuf_free(wps->dh_privkey);
2120 wps->dh_privkey = NULL;
2123 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
2124 if (wps->dh_ctx == NULL) {
2125 wpabuf_free(wps->dh_pubkey);
2126 wps->dh_pubkey = NULL;
2127 wpabuf_free(wps->dh_privkey);
2128 wps->dh_privkey = NULL;
2132 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
2133 wpabuf_head(wpa_s->conf->wps_nfc_dev_pw),
2134 wpabuf_len(wpa_s->conf->wps_nfc_dev_pw));
2135 return wpas_wps_start_pin(wpa_s, bssid, pw, 0,
2136 wpa_s->conf->wps_nfc_dev_pw_id);
2140 static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
2141 struct wps_parse_attr *attr)
2143 wpa_s->wps_ap_channel = 0;
2146 * Disable existing networks temporarily to allow the newly learned
2147 * credential to be preferred. Enable the temporarily disabled networks
2150 wpas_wps_temp_disable(wpa_s, NULL);
2151 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
2154 if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
2157 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
2160 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
2161 "based on the received credential added");
2162 wpa_s->normal_scans = 0;
2163 wpa_supplicant_reinit_autoscan(wpa_s);
2164 if (wpa_s->wps_ap_channel) {
2165 u16 chan = wpa_s->wps_ap_channel;
2168 if (chan >= 1 && chan <= 13)
2169 freq = 2407 + 5 * chan;
2170 else if (chan == 14)
2172 else if (chan >= 30)
2173 freq = 5000 + 5 * chan;
2176 wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
2177 "AP channel %u -> %u MHz", chan, freq);
2178 wpa_s->after_wps = 5;
2179 wpa_s->wps_freq = freq;
2182 wpa_s->disconnected = 0;
2183 wpa_s->reassociate = 1;
2185 wpa_supplicant_cancel_sched_scan(wpa_s);
2186 wpa_supplicant_req_scan(wpa_s, 0, 0);
2192 #ifdef CONFIG_WPS_ER
2193 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
2194 struct wps_parse_attr *attr)
2196 return wps_registrar_add_nfc_password_token(
2197 wpa_s->wps->registrar, attr->oob_dev_password,
2198 attr->oob_dev_password_len);
2200 #endif /* CONFIG_WPS_ER */
2203 static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2204 const struct wpabuf *wps)
2206 struct wps_parse_attr attr;
2208 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2210 if (wps_parse_msg(wps, &attr)) {
2211 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2216 return wpas_wps_use_cred(wpa_s, &attr);
2218 #ifdef CONFIG_WPS_ER
2219 if (attr.oob_dev_password)
2220 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2221 #endif /* CONFIG_WPS_ER */
2223 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2228 int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
2229 const struct wpabuf *data)
2231 const struct wpabuf *wps = data;
2232 struct wpabuf *tmp = NULL;
2235 if (wpabuf_len(data) < 4)
2238 if (*wpabuf_head_u8(data) != 0x10) {
2239 /* Assume this contains full NDEF record */
2240 tmp = ndef_parse_wifi(data);
2242 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2248 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2254 struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr)
2257 return ndef_build_wifi_hc(1);
2258 return ndef_build_wifi_hr();
2262 #ifdef CONFIG_WPS_NFC
2263 struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2264 int ndef, const char *uuid)
2266 #ifdef CONFIG_WPS_ER
2268 u8 u[UUID_LEN], *use_uuid = NULL;
2269 u8 addr[ETH_ALEN], *use_addr = NULL;
2276 if (uuid_str2bin(uuid, u) == 0)
2278 else if (hwaddr_aton(uuid, addr) == 0)
2284 * Handover Select carrier record for WPS uses the same format as
2285 * configuration token.
2287 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
2290 tmp = ndef_build_wifi(ret);
2298 #else /* CONFIG_WPS_ER */
2300 #endif /* CONFIG_WPS_ER */
2302 #endif /* CONFIG_WPS_NFC */
2305 struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2306 int ndef, int cr, const char *uuid)
2311 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2314 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
2318 int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
2319 const struct wpabuf *data)
2326 int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2327 const struct wpabuf *data)
2332 wps = ndef_parse_wifi(data);
2335 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2336 "payload from NFC connection handover");
2337 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps);
2338 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2345 int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2346 const struct wpabuf *req,
2347 const struct wpabuf *sel)
2349 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2350 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2351 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2352 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2355 #endif /* CONFIG_WPS_NFC */
2358 extern int wpa_debug_level;
2360 static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2365 if (wpa_debug_level > MSG_DEBUG)
2368 if (wpa_s->wps_ap == NULL)
2373 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2374 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2375 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2377 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2378 "tries=%d last_attempt=%d sec ago blacklist=%d",
2379 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2380 ap->last_attempt.sec > 0 ?
2381 (int) now.sec - (int) ap->last_attempt.sec : -1,
2387 static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2392 if (wpa_s->wps_ap == NULL)
2395 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2396 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2397 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2405 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2406 struct wpa_scan_res *res)
2409 enum wps_ap_info_type type;
2410 struct wps_ap_info *ap;
2413 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2416 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2420 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2422 type = WPS_AP_SEL_REG_OUR;
2424 type = WPS_AP_SEL_REG;
2426 type = WPS_AP_NOT_SEL_REG;
2430 ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2432 if (ap->type != type) {
2433 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2434 " changed type %d -> %d",
2435 MAC2STR(res->bssid), ap->type, type);
2437 if (type != WPS_AP_NOT_SEL_REG)
2438 wpa_blacklist_del(wpa_s, ap->bssid);
2443 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2444 sizeof(struct wps_ap_info));
2449 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2450 wpa_s->num_wps_ap++;
2452 os_memset(ap, 0, sizeof(*ap));
2453 os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2455 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2456 MAC2STR(ap->bssid), ap->type);
2460 void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2461 struct wpa_scan_results *scan_res)
2465 for (i = 0; i < scan_res->num; i++)
2466 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2468 wpas_wps_dump_ap_info(wpa_s);
2472 void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2474 struct wps_ap_info *ap;
2476 wpa_s->after_wps = 0;
2478 if (!wpa_s->wps_ap_iter)
2480 ap = wpas_wps_get_ap_info(wpa_s, bssid);
2484 os_get_time(&ap->last_attempt);