2 * hostapd / WPS integration
3 * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #include "utils/includes.h"
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "utils/uuid.h"
14 #include "common/wpa_ctrl.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/ieee802_11_common.h"
17 #include "eapol_auth/eapol_auth_sm.h"
18 #include "eapol_auth/eapol_auth_sm_i.h"
20 #include "wps/wps_defs.h"
21 #include "wps/wps_dev_attr.h"
22 #include "wps/wps_attr_parse.h"
24 #include "ap_config.h"
25 #include "ap_drv_ops.h"
28 #include "wps_hostapd.h"
31 #ifdef CONFIG_WPS_UPNP
32 #include "wps/wps_upnp.h"
33 static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
34 struct wps_context *wps);
35 static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
36 #endif /* CONFIG_WPS_UPNP */
38 static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
40 const u8 *ie, size_t ie_len,
42 static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
43 static void hostapd_wps_nfc_clear(struct wps_context *wps);
46 struct wps_for_each_data {
47 int (*func)(struct hostapd_data *h, void *ctx);
49 struct hostapd_data *calling_hapd;
53 static int wps_for_each(struct hostapd_iface *iface, void *ctx)
55 struct wps_for_each_data *data = ctx;
60 for (j = 0; j < iface->num_bss; j++) {
61 struct hostapd_data *hapd = iface->bss[j];
64 if (hapd != data->calling_hapd &&
65 (hapd->conf->wps_independent ||
66 data->calling_hapd->conf->wps_independent))
69 ret = data->func(hapd, data->ctx);
78 static int hostapd_wps_for_each(struct hostapd_data *hapd,
79 int (*func)(struct hostapd_data *h, void *ctx),
82 struct hostapd_iface *iface = hapd->iface;
83 struct wps_for_each_data data;
86 data.calling_hapd = hapd;
87 if (iface->interfaces == NULL ||
88 iface->interfaces->for_each_interface == NULL)
89 return wps_for_each(iface, &data);
90 return iface->interfaces->for_each_interface(iface->interfaces,
95 static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
96 const u8 *p2p_dev_addr, const u8 *psk,
99 struct hostapd_data *hapd = ctx;
100 struct hostapd_wpa_psk *p;
101 struct hostapd_ssid *ssid = &hapd->conf->ssid;
103 if (is_zero_ether_addr(p2p_dev_addr)) {
104 wpa_printf(MSG_DEBUG,
105 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
108 wpa_printf(MSG_DEBUG,
109 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
110 " P2P Device Addr " MACSTR,
111 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
113 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
115 if (psk_len != PMK_LEN) {
116 wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu",
117 (unsigned long) psk_len);
121 /* Add the new PSK to runtime PSK list */
122 p = os_zalloc(sizeof(*p));
125 os_memcpy(p->addr, mac_addr, ETH_ALEN);
126 os_memcpy(p->p2p_dev_addr, p2p_dev_addr, ETH_ALEN);
127 os_memcpy(p->psk, psk, PMK_LEN);
129 if (hapd->new_psk_cb) {
130 hapd->new_psk_cb(hapd->new_psk_cb_ctx, mac_addr, p2p_dev_addr,
134 p->next = ssid->wpa_psk;
137 if (ssid->wpa_psk_file) {
139 char hex[PMK_LEN * 2 + 1];
140 /* Add the new PSK to PSK list file */
141 f = fopen(ssid->wpa_psk_file, "a");
143 wpa_printf(MSG_DEBUG, "Failed to add the PSK to "
144 "'%s'", ssid->wpa_psk_file);
148 wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len);
149 fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex);
157 static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie,
158 struct wpabuf *probe_resp_ie)
160 struct hostapd_data *hapd = ctx;
161 wpabuf_free(hapd->wps_beacon_ie);
162 hapd->wps_beacon_ie = beacon_ie;
163 wpabuf_free(hapd->wps_probe_resp_ie);
164 hapd->wps_probe_resp_ie = probe_resp_ie;
165 if (hapd->beacon_set_done)
166 ieee802_11_set_beacon(hapd);
167 return hostapd_set_ap_wps_ie(hapd);
171 static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
172 const struct wps_device_data *dev)
174 struct hostapd_data *hapd = ctx;
175 char uuid[40], txt[400];
177 char devtype[WPS_DEV_TYPE_BUFSIZE];
178 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
180 wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid);
181 len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED
182 "%s " MACSTR " [%s|%s|%s|%s|%s|%s]",
183 uuid, MAC2STR(dev->mac_addr), dev->device_name,
184 dev->manufacturer, dev->model_name,
185 dev->model_number, dev->serial_number,
186 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
188 if (!os_snprintf_error(sizeof(txt), len))
189 wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
191 if (hapd->conf->wps_pin_requests) {
194 f = fopen(hapd->conf->wps_pin_requests, "a");
198 fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
200 t.sec, uuid, MAC2STR(dev->mac_addr), dev->device_name,
201 dev->manufacturer, dev->model_name, dev->model_number,
203 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
210 struct wps_stop_reg_data {
211 struct hostapd_data *current_hapd;
217 static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx)
219 struct wps_stop_reg_data *data = ctx;
220 if (hapd != data->current_hapd && hapd->wps != NULL)
221 wps_registrar_complete(hapd->wps->registrar, data->uuid_e,
222 data->dev_pw, data->dev_pw_len);
227 static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
228 const u8 *uuid_e, const u8 *dev_pw,
231 struct hostapd_data *hapd = ctx;
233 struct wps_stop_reg_data data;
234 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
236 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
237 MAC2STR(mac_addr), uuid);
238 if (hapd->wps_reg_success_cb)
239 hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx,
241 data.current_hapd = hapd;
242 data.uuid_e = uuid_e;
243 data.dev_pw = dev_pw;
244 data.dev_pw_len = dev_pw_len;
245 hostapd_wps_for_each(hapd, wps_stop_registrar, &data);
249 static void hostapd_wps_enrollee_seen_cb(void *ctx, const u8 *addr,
251 const u8 *pri_dev_type,
253 u16 dev_password_id, u8 request_type,
254 const char *dev_name)
256 struct hostapd_data *hapd = ctx;
258 char devtype[WPS_DEV_TYPE_BUFSIZE];
259 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
261 if (dev_name == NULL)
263 wpa_msg_ctrl(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ENROLLEE_SEEN MACSTR
264 " %s %s 0x%x %u %u [%s]",
266 wps_dev_type_bin2str(pri_dev_type, devtype,
268 config_methods, dev_password_id, request_type, dev_name);
272 static int str_starts(const char *str, const char *start)
274 return os_strncmp(str, start, os_strlen(start)) == 0;
278 static void wps_reload_config(void *eloop_data, void *user_ctx)
280 struct hostapd_iface *iface = eloop_data;
282 wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
283 if (iface->interfaces == NULL ||
284 iface->interfaces->reload_config(iface) < 0) {
285 wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
291 void hostapd_wps_eap_completed(struct hostapd_data *hapd)
294 * Reduce race condition of the station trying to reconnect immediately
295 * after AP reconfiguration through WPS by rescheduling the reload
296 * timeout to happen after EAP completion rather than the originally
297 * scheduled 100 ms after new configuration became known.
299 if (eloop_deplete_timeout(0, 0, wps_reload_config, hapd->iface, NULL) ==
301 wpa_printf(MSG_DEBUG, "WPS: Reschedule immediate configuration reload");
305 static void hapd_new_ap_event(struct hostapd_data *hapd, const u8 *attr,
308 size_t blen = attr_len * 2 + 1;
309 char *buf = os_malloc(blen);
311 wpa_snprintf_hex(buf, blen, attr, attr_len);
312 wpa_msg(hapd->msg_ctx, MSG_INFO,
313 WPS_EVENT_NEW_AP_SETTINGS "%s", buf);
319 static int hapd_wps_reconfig_in_memory(struct hostapd_data *hapd,
320 const struct wps_credential *cred)
322 struct hostapd_bss_config *bss = hapd->conf;
324 wpa_printf(MSG_DEBUG, "WPS: Updating in-memory configuration");
327 if (cred->ssid_len <= SSID_MAX_LEN) {
328 os_memcpy(bss->ssid.ssid, cred->ssid, cred->ssid_len);
329 bss->ssid.ssid_len = cred->ssid_len;
330 bss->ssid.ssid_set = 1;
333 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
334 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
336 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
338 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
344 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA))
345 bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X;
346 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
347 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
349 bss->wpa_pairwise = 0;
350 if (cred->encr_type & WPS_ENCR_AES) {
351 if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
352 bss->wpa_pairwise |= WPA_CIPHER_GCMP;
354 bss->wpa_pairwise |= WPA_CIPHER_CCMP;
356 if (cred->encr_type & WPS_ENCR_TKIP)
357 bss->wpa_pairwise |= WPA_CIPHER_TKIP;
358 bss->rsn_pairwise = bss->wpa_pairwise;
359 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa,
363 if (cred->key_len >= 8 && cred->key_len < 64) {
364 os_free(bss->ssid.wpa_passphrase);
365 bss->ssid.wpa_passphrase = os_zalloc(cred->key_len + 1);
366 if (bss->ssid.wpa_passphrase)
367 os_memcpy(bss->ssid.wpa_passphrase, cred->key,
369 hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
370 } else if (cred->key_len == 64) {
371 hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
373 os_zalloc(sizeof(struct hostapd_wpa_psk));
374 if (bss->ssid.wpa_psk &&
375 hexstr2bin((const char *) cred->key,
376 bss->ssid.wpa_psk->psk, PMK_LEN) == 0) {
377 bss->ssid.wpa_psk->group = 1;
378 os_free(bss->ssid.wpa_passphrase);
379 bss->ssid.wpa_passphrase = NULL;
385 * WPS 2.0 does not allow WEP to be configured, so no need to
386 * process that option here either.
391 /* Schedule configuration reload after short period of time to allow
392 * EAP-WSC to be finished.
394 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
401 static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx)
403 const struct wps_credential *cred = ctx;
411 if (hapd->wps == NULL)
414 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
415 cred->cred_attr, cred->cred_attr_len);
417 wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings");
418 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
419 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
421 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
422 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
423 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
424 cred->key, cred->key_len);
425 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
426 MAC2STR(cred->mac_addr));
428 if ((hapd->conf->wps_cred_processing == 1 ||
429 hapd->conf->wps_cred_processing == 2) && cred->cred_attr) {
430 hapd_new_ap_event(hapd, cred->cred_attr, cred->cred_attr_len);
431 } else if (hapd->conf->wps_cred_processing == 1 ||
432 hapd->conf->wps_cred_processing == 2) {
434 attr = wpabuf_alloc(200);
435 if (attr && wps_build_credential_wrap(attr, cred) == 0)
436 hapd_new_ap_event(hapd, wpabuf_head_u8(attr),
440 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
442 if (hapd->conf->wps_cred_processing == 1)
445 os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
446 hapd->wps->ssid_len = cred->ssid_len;
447 hapd->wps->encr_types = cred->encr_type;
448 hapd->wps->auth_types = cred->auth_type;
449 hapd->wps->ap_encr_type = cred->encr_type;
450 hapd->wps->ap_auth_type = cred->auth_type;
451 if (cred->key_len == 0) {
452 os_free(hapd->wps->network_key);
453 hapd->wps->network_key = NULL;
454 hapd->wps->network_key_len = 0;
455 } else if ((cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK)) &&
456 (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN)) {
457 wpa_printf(MSG_INFO, "WPS: Invalid key length %lu for WPA/WPA2",
458 (unsigned long) cred->key_len);
461 if (hapd->wps->network_key == NULL ||
462 hapd->wps->network_key_len < cred->key_len) {
463 hapd->wps->network_key_len = 0;
464 os_free(hapd->wps->network_key);
465 hapd->wps->network_key = os_malloc(cred->key_len);
466 if (hapd->wps->network_key == NULL)
469 hapd->wps->network_key_len = cred->key_len;
470 os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
472 hapd->wps->wps_state = WPS_STATE_CONFIGURED;
474 if (hapd->iface->config_fname == NULL)
475 return hapd_wps_reconfig_in_memory(hapd, cred);
476 len = os_strlen(hapd->iface->config_fname) + 5;
477 tmp_fname = os_malloc(len);
478 if (tmp_fname == NULL)
480 os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname);
482 oconf = fopen(hapd->iface->config_fname, "r");
484 wpa_printf(MSG_WARNING, "WPS: Could not open current "
485 "configuration file");
490 nconf = fopen(tmp_fname, "w");
492 wpa_printf(MSG_WARNING, "WPS: Could not write updated "
493 "configuration file");
499 fprintf(nconf, "# WPS configuration - START\n");
501 fprintf(nconf, "wps_state=2\n");
503 if (is_hex(cred->ssid, cred->ssid_len)) {
504 fprintf(nconf, "ssid2=");
505 for (i = 0; i < cred->ssid_len; i++)
506 fprintf(nconf, "%02x", cred->ssid[i]);
507 fprintf(nconf, "\n");
509 fprintf(nconf, "ssid=");
510 for (i = 0; i < cred->ssid_len; i++)
511 fputc(cred->ssid[i], nconf);
512 fprintf(nconf, "\n");
515 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
516 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
518 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
520 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
527 fprintf(nconf, "wpa=%d\n", wpa);
529 fprintf(nconf, "wpa_key_mgmt=");
531 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) {
532 fprintf(nconf, "WPA-EAP");
535 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
536 fprintf(nconf, "%sWPA-PSK", prefix);
537 fprintf(nconf, "\n");
539 fprintf(nconf, "wpa_pairwise=");
541 if (cred->encr_type & WPS_ENCR_AES) {
542 if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
543 fprintf(nconf, "GCMP");
545 fprintf(nconf, "CCMP");
549 if (cred->encr_type & WPS_ENCR_TKIP) {
550 fprintf(nconf, "%sTKIP", prefix);
552 fprintf(nconf, "\n");
554 if (cred->key_len >= 8 && cred->key_len < 64) {
555 fprintf(nconf, "wpa_passphrase=");
556 for (i = 0; i < cred->key_len; i++)
557 fputc(cred->key[i], nconf);
558 fprintf(nconf, "\n");
559 } else if (cred->key_len == 64) {
560 fprintf(nconf, "wpa_psk=");
561 for (i = 0; i < cred->key_len; i++)
562 fputc(cred->key[i], nconf);
563 fprintf(nconf, "\n");
565 wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu "
567 (unsigned long) cred->key_len);
570 fprintf(nconf, "auth_algs=1\n");
573 * WPS 2.0 does not allow WEP to be configured, so no need to
574 * process that option here either.
576 fprintf(nconf, "auth_algs=1\n");
579 fprintf(nconf, "# WPS configuration - END\n");
582 while (fgets(buf, sizeof(buf), oconf)) {
583 if (os_strncmp(buf, "bss=", 4) == 0)
586 (str_starts(buf, "ssid=") ||
587 str_starts(buf, "ssid2=") ||
588 str_starts(buf, "auth_algs=") ||
589 str_starts(buf, "wep_default_key=") ||
590 str_starts(buf, "wep_key") ||
591 str_starts(buf, "wps_state=") ||
592 str_starts(buf, "wpa=") ||
593 str_starts(buf, "wpa_psk=") ||
594 str_starts(buf, "wpa_pairwise=") ||
595 str_starts(buf, "rsn_pairwise=") ||
596 str_starts(buf, "wpa_key_mgmt=") ||
597 str_starts(buf, "wpa_passphrase="))) {
598 fprintf(nconf, "#WPS# %s", buf);
600 fprintf(nconf, "%s", buf);
606 if (rename(tmp_fname, hapd->iface->config_fname) < 0) {
607 wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated "
608 "configuration file: %s", strerror(errno));
615 /* Schedule configuration reload after short period of time to allow
616 * EAP-WSC to be finished.
618 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
621 wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
627 static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
629 struct hostapd_data *hapd = ctx;
630 return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred);
634 static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx)
636 struct hostapd_data *hapd = eloop_data;
638 if (hapd->conf->ap_setup_locked)
640 if (hapd->ap_pin_failures_consecutive >= 10)
643 wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN");
644 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
645 hapd->wps->ap_setup_locked = 0;
646 wps_registrar_update_ie(hapd->wps->registrar);
650 static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx)
652 struct wps_event_pwd_auth_fail *data = ctx;
654 if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL)
658 * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup
659 * for some time if this happens multiple times to slow down brute
662 hapd->ap_pin_failures++;
663 hapd->ap_pin_failures_consecutive++;
664 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u "
666 hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
667 if (hapd->ap_pin_failures < 3)
670 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
671 hapd->wps->ap_setup_locked = 1;
673 wps_registrar_update_ie(hapd->wps->registrar);
675 if (!hapd->conf->ap_setup_locked &&
676 hapd->ap_pin_failures_consecutive >= 10) {
678 * In indefinite lockdown - disable automatic AP PIN
681 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
682 wpa_printf(MSG_DEBUG, "WPS: AP PIN disabled indefinitely");
683 } else if (!hapd->conf->ap_setup_locked) {
684 if (hapd->ap_pin_lockout_time == 0)
685 hapd->ap_pin_lockout_time = 60;
686 else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 &&
687 (hapd->ap_pin_failures % 3) == 0)
688 hapd->ap_pin_lockout_time *= 2;
690 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN for %u seconds",
691 hapd->ap_pin_lockout_time);
692 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
693 eloop_register_timeout(hapd->ap_pin_lockout_time, 0,
694 hostapd_wps_reenable_ap_pin, hapd,
702 static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
703 struct wps_event_pwd_auth_fail *data)
705 /* Update WPS Status - Authentication Failure */
706 wpa_printf(MSG_DEBUG, "WPS: Authentication failure update");
707 hapd->wps_stats.status = WPS_STATUS_FAILURE;
708 hapd->wps_stats.failure_reason = WPS_EI_AUTH_FAILURE;
709 os_memcpy(hapd->wps_stats.peer_addr, data->peer_macaddr, ETH_ALEN);
711 hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
715 static int wps_ap_pin_success(struct hostapd_data *hapd, void *ctx)
717 if (hapd->conf->ap_pin == NULL || hapd->wps == NULL)
720 if (hapd->ap_pin_failures_consecutive == 0)
723 wpa_printf(MSG_DEBUG, "WPS: Clear consecutive AP PIN failure counter "
724 "- total validation failures %u (%u consecutive)",
725 hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
726 hapd->ap_pin_failures_consecutive = 0;
732 static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd)
734 hostapd_wps_for_each(hapd, wps_ap_pin_success, NULL);
738 static void hostapd_wps_event_pbc_overlap(struct hostapd_data *hapd)
740 /* Update WPS Status - PBC Overlap */
741 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_OVERLAP;
745 static void hostapd_wps_event_pbc_timeout(struct hostapd_data *hapd)
747 /* Update WPS PBC Status:PBC Timeout */
748 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_TIMEOUT;
752 static void hostapd_wps_event_pbc_active(struct hostapd_data *hapd)
754 /* Update WPS PBC status - Active */
755 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_ACTIVE;
759 static void hostapd_wps_event_pbc_disable(struct hostapd_data *hapd)
761 /* Update WPS PBC status - Active */
762 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
766 static void hostapd_wps_event_success(struct hostapd_data *hapd,
767 struct wps_event_success *success)
769 /* Update WPS status - Success */
770 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
771 hapd->wps_stats.status = WPS_STATUS_SUCCESS;
772 os_memcpy(hapd->wps_stats.peer_addr, success->peer_macaddr, ETH_ALEN);
776 static void hostapd_wps_event_fail(struct hostapd_data *hapd,
777 struct wps_event_fail *fail)
779 /* Update WPS status - Failure */
780 hapd->wps_stats.status = WPS_STATUS_FAILURE;
781 os_memcpy(hapd->wps_stats.peer_addr, fail->peer_macaddr, ETH_ALEN);
783 hapd->wps_stats.failure_reason = fail->error_indication;
785 if (fail->error_indication > 0 &&
786 fail->error_indication < NUM_WPS_EI_VALUES) {
787 wpa_msg(hapd->msg_ctx, MSG_INFO,
788 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
789 fail->msg, fail->config_error, fail->error_indication,
790 wps_ei_str(fail->error_indication));
792 wpa_msg(hapd->msg_ctx, MSG_INFO,
793 WPS_EVENT_FAIL "msg=%d config_error=%d",
794 fail->msg, fail->config_error);
799 static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
800 union wps_event_data *data)
802 struct hostapd_data *hapd = ctx;
806 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_M2D);
809 hostapd_wps_event_fail(hapd, &data->fail);
812 hostapd_wps_event_success(hapd, &data->success);
813 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS);
815 case WPS_EV_PWD_AUTH_FAIL:
816 hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
818 case WPS_EV_PBC_OVERLAP:
819 hostapd_wps_event_pbc_overlap(hapd);
820 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_OVERLAP);
822 case WPS_EV_PBC_TIMEOUT:
823 hostapd_wps_event_pbc_timeout(hapd);
824 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_TIMEOUT);
826 case WPS_EV_PBC_ACTIVE:
827 hostapd_wps_event_pbc_active(hapd);
828 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ACTIVE);
830 case WPS_EV_PBC_DISABLE:
831 hostapd_wps_event_pbc_disable(hapd);
832 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_DISABLE);
834 case WPS_EV_ER_AP_ADD:
836 case WPS_EV_ER_AP_REMOVE:
838 case WPS_EV_ER_ENROLLEE_ADD:
840 case WPS_EV_ER_ENROLLEE_REMOVE:
842 case WPS_EV_ER_AP_SETTINGS:
844 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
846 case WPS_EV_AP_PIN_SUCCESS:
847 hostapd_wps_ap_pin_success(hapd);
850 if (hapd->wps_event_cb)
851 hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data);
855 static int hostapd_wps_rf_band_cb(void *ctx)
857 struct hostapd_data *hapd = ctx;
859 return hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
861 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
862 WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
866 static void hostapd_wps_clear_ies(struct hostapd_data *hapd, int deinit_only)
868 wpabuf_free(hapd->wps_beacon_ie);
869 hapd->wps_beacon_ie = NULL;
871 wpabuf_free(hapd->wps_probe_resp_ie);
872 hapd->wps_probe_resp_ie = NULL;
875 hostapd_reset_ap_wps_ie(hapd);
879 hostapd_set_ap_wps_ie(hapd);
883 static int get_uuid_cb(struct hostapd_iface *iface, void *ctx)
885 const u8 **uuid = ctx;
890 for (j = 0; j < iface->num_bss; j++) {
891 struct hostapd_data *hapd = iface->bss[j];
892 if (hapd->wps && !hapd->conf->wps_independent &&
893 !is_nil_uuid(hapd->wps->uuid)) {
894 *uuid = hapd->wps->uuid;
903 static const u8 * get_own_uuid(struct hostapd_iface *iface)
906 if (iface->interfaces == NULL ||
907 iface->interfaces->for_each_interface == NULL)
910 iface->interfaces->for_each_interface(iface->interfaces, get_uuid_cb,
916 static int count_interface_cb(struct hostapd_iface *iface, void *ctx)
924 static int interface_count(struct hostapd_iface *iface)
927 if (iface->interfaces == NULL ||
928 iface->interfaces->for_each_interface == NULL)
930 iface->interfaces->for_each_interface(iface->interfaces,
931 count_interface_cb, &count);
936 static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd,
937 struct wps_context *wps)
941 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
942 wpabuf_free(wps->dev.vendor_ext[i]);
943 wps->dev.vendor_ext[i] = NULL;
945 if (hapd->conf->wps_vendor_ext[i] == NULL)
948 wps->dev.vendor_ext[i] =
949 wpabuf_dup(hapd->conf->wps_vendor_ext[i]);
950 if (wps->dev.vendor_ext[i] == NULL) {
952 wpabuf_free(wps->dev.vendor_ext[i]);
961 static void hostapd_free_wps(struct wps_context *wps)
965 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
966 wpabuf_free(wps->dev.vendor_ext[i]);
967 wps_device_data_free(&wps->dev);
968 os_free(wps->network_key);
969 hostapd_wps_nfc_clear(wps);
970 wpabuf_free(wps->dh_pubkey);
971 wpabuf_free(wps->dh_privkey);
976 int hostapd_init_wps(struct hostapd_data *hapd,
977 struct hostapd_bss_config *conf)
979 struct wps_context *wps;
980 struct wps_registrar_config cfg;
982 if (conf->wps_state == 0) {
983 hostapd_wps_clear_ies(hapd, 0);
987 wps = os_zalloc(sizeof(*wps));
991 wps->cred_cb = hostapd_wps_cred_cb;
992 wps->event_cb = hostapd_wps_event_cb;
993 wps->rf_band_cb = hostapd_wps_rf_band_cb;
996 os_memset(&cfg, 0, sizeof(cfg));
997 wps->wps_state = hapd->conf->wps_state;
998 wps->ap_setup_locked = hapd->conf->ap_setup_locked;
999 if (is_nil_uuid(hapd->conf->uuid)) {
1001 uuid = get_own_uuid(hapd->iface);
1002 if (uuid && !conf->wps_independent) {
1003 os_memcpy(wps->uuid, uuid, UUID_LEN);
1004 wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another "
1005 "interface", wps->uuid, UUID_LEN);
1007 uuid_gen_mac_addr(hapd->own_addr, wps->uuid);
1008 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1009 "address", wps->uuid, UUID_LEN);
1012 os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN);
1013 wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID",
1014 wps->uuid, UUID_LEN);
1016 wps->ssid_len = hapd->conf->ssid.ssid_len;
1017 os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len);
1019 os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN);
1020 wps->dev.device_name = hapd->conf->device_name ?
1021 os_strdup(hapd->conf->device_name) : NULL;
1022 wps->dev.manufacturer = hapd->conf->manufacturer ?
1023 os_strdup(hapd->conf->manufacturer) : NULL;
1024 wps->dev.model_name = hapd->conf->model_name ?
1025 os_strdup(hapd->conf->model_name) : NULL;
1026 wps->dev.model_number = hapd->conf->model_number ?
1027 os_strdup(hapd->conf->model_number) : NULL;
1028 wps->dev.serial_number = hapd->conf->serial_number ?
1029 os_strdup(hapd->conf->serial_number) : NULL;
1030 wps->config_methods =
1031 wps_config_methods_str2bin(hapd->conf->config_methods);
1032 if ((wps->config_methods &
1033 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1034 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1035 wpa_printf(MSG_INFO, "WPS: Converting display to "
1036 "virtual_display for WPS 2.0 compliance");
1037 wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1039 if ((wps->config_methods &
1040 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1041 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1042 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1043 "virtual_push_button for WPS 2.0 compliance");
1044 wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1046 os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type,
1049 if (hostapd_wps_set_vendor_ext(hapd, wps) < 0)
1052 wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
1054 if (conf->wps_rf_bands) {
1055 wps->dev.rf_bands = conf->wps_rf_bands;
1058 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
1060 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
1061 WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
1064 if (conf->wpa & WPA_PROTO_RSN) {
1065 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
1066 wps->auth_types |= WPS_AUTH_WPA2PSK;
1067 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
1068 wps->auth_types |= WPS_AUTH_WPA2;
1070 if (conf->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))
1071 wps->encr_types |= WPS_ENCR_AES;
1072 if (conf->rsn_pairwise & WPA_CIPHER_TKIP)
1073 wps->encr_types |= WPS_ENCR_TKIP;
1076 if (conf->wpa & WPA_PROTO_WPA) {
1077 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
1078 wps->auth_types |= WPS_AUTH_WPAPSK;
1079 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
1080 wps->auth_types |= WPS_AUTH_WPA;
1082 if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
1083 wps->encr_types |= WPS_ENCR_AES;
1084 if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
1085 wps->encr_types |= WPS_ENCR_TKIP;
1088 if (conf->ssid.security_policy == SECURITY_PLAINTEXT) {
1089 wps->encr_types |= WPS_ENCR_NONE;
1090 wps->auth_types |= WPS_AUTH_OPEN;
1093 if (conf->ssid.wpa_psk_file) {
1094 /* Use per-device PSKs */
1095 } else if (conf->ssid.wpa_passphrase) {
1096 wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase);
1097 wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase);
1098 } else if (conf->ssid.wpa_psk) {
1099 wps->network_key = os_malloc(2 * PMK_LEN + 1);
1100 if (wps->network_key == NULL)
1102 wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1,
1103 conf->ssid.wpa_psk->psk, PMK_LEN);
1104 wps->network_key_len = 2 * PMK_LEN;
1105 } else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) {
1106 wps->network_key = os_malloc(conf->ssid.wep.len[0]);
1107 if (wps->network_key == NULL)
1109 os_memcpy(wps->network_key, conf->ssid.wep.key[0],
1110 conf->ssid.wep.len[0]);
1111 wps->network_key_len = conf->ssid.wep.len[0];
1114 if (conf->ssid.wpa_psk) {
1115 os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN);
1119 wps->ap_auth_type = wps->auth_types;
1120 wps->ap_encr_type = wps->encr_types;
1121 if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
1122 /* Override parameters to enable security by default */
1123 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1124 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1127 wps->ap_settings = conf->ap_settings;
1128 wps->ap_settings_len = conf->ap_settings_len;
1130 cfg.new_psk_cb = hostapd_wps_new_psk_cb;
1131 cfg.set_ie_cb = hostapd_wps_set_ie_cb;
1132 cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
1133 cfg.reg_success_cb = hostapd_wps_reg_success_cb;
1134 cfg.enrollee_seen_cb = hostapd_wps_enrollee_seen_cb;
1136 cfg.skip_cred_build = conf->skip_cred_build;
1137 cfg.extra_cred = conf->extra_cred;
1138 cfg.extra_cred_len = conf->extra_cred_len;
1139 cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
1140 conf->skip_cred_build;
1141 if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
1142 cfg.static_wep_only = 1;
1143 cfg.dualband = interface_count(hapd->iface) > 1;
1144 if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) ==
1145 (WPS_RF_50GHZ | WPS_RF_24GHZ))
1148 wpa_printf(MSG_DEBUG, "WPS: Dualband AP");
1149 cfg.force_per_enrollee_psk = conf->force_per_enrollee_psk;
1151 wps->registrar = wps_registrar_init(wps, &cfg);
1152 if (wps->registrar == NULL) {
1153 wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar");
1157 #ifdef CONFIG_WPS_UPNP
1158 wps->friendly_name = hapd->conf->friendly_name;
1159 wps->manufacturer_url = hapd->conf->manufacturer_url;
1160 wps->model_description = hapd->conf->model_description;
1161 wps->model_url = hapd->conf->model_url;
1162 wps->upc = hapd->conf->upc;
1163 #endif /* CONFIG_WPS_UPNP */
1165 hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
1172 hostapd_free_wps(wps);
1177 int hostapd_init_wps_complete(struct hostapd_data *hapd)
1179 struct wps_context *wps = hapd->wps;
1184 #ifdef CONFIG_WPS_UPNP
1185 if (hostapd_wps_upnp_init(hapd, wps) < 0) {
1186 wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
1187 wps_registrar_deinit(wps->registrar);
1188 hostapd_free_wps(wps);
1192 #endif /* CONFIG_WPS_UPNP */
1198 static void hostapd_wps_nfc_clear(struct wps_context *wps)
1200 #ifdef CONFIG_WPS_NFC
1201 wpa_printf(MSG_DEBUG, "WPS: Clear NFC Tag context %p", wps);
1202 wps->ap_nfc_dev_pw_id = 0;
1203 wpabuf_free(wps->ap_nfc_dh_pubkey);
1204 wps->ap_nfc_dh_pubkey = NULL;
1205 wpabuf_free(wps->ap_nfc_dh_privkey);
1206 wps->ap_nfc_dh_privkey = NULL;
1207 wpabuf_free(wps->ap_nfc_dev_pw);
1208 wps->ap_nfc_dev_pw = NULL;
1209 #endif /* CONFIG_WPS_NFC */
1213 void hostapd_deinit_wps(struct hostapd_data *hapd)
1215 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
1216 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1217 eloop_cancel_timeout(wps_reload_config, hapd->iface, NULL);
1218 if (hapd->wps == NULL) {
1219 hostapd_wps_clear_ies(hapd, 1);
1222 #ifdef CONFIG_WPS_UPNP
1223 hostapd_wps_upnp_deinit(hapd);
1224 #endif /* CONFIG_WPS_UPNP */
1225 wps_registrar_deinit(hapd->wps->registrar);
1226 wps_free_pending_msgs(hapd->wps->upnp_msgs);
1227 hostapd_free_wps(hapd->wps);
1229 hostapd_wps_clear_ies(hapd, 1);
1233 void hostapd_update_wps(struct hostapd_data *hapd)
1235 if (hapd->wps == NULL)
1238 #ifdef CONFIG_WPS_UPNP
1239 hapd->wps->friendly_name = hapd->conf->friendly_name;
1240 hapd->wps->manufacturer_url = hapd->conf->manufacturer_url;
1241 hapd->wps->model_description = hapd->conf->model_description;
1242 hapd->wps->model_url = hapd->conf->model_url;
1243 hapd->wps->upc = hapd->conf->upc;
1244 #endif /* CONFIG_WPS_UPNP */
1246 hostapd_wps_set_vendor_ext(hapd, hapd->wps);
1248 if (hapd->conf->wps_state)
1249 wps_registrar_update_ie(hapd->wps->registrar);
1251 hostapd_deinit_wps(hapd);
1255 struct wps_add_pin_data {
1265 static int wps_add_pin(struct hostapd_data *hapd, void *ctx)
1267 struct wps_add_pin_data *data = ctx;
1270 if (hapd->wps == NULL)
1272 ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr,
1273 data->uuid, data->pin, data->pin_len,
1281 int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
1282 const char *uuid, const char *pin, int timeout)
1285 struct wps_add_pin_data data;
1289 data.pin = (const u8 *) pin;
1290 data.pin_len = os_strlen(pin);
1291 data.timeout = timeout;
1294 if (os_strcmp(uuid, "any") == 0)
1297 if (uuid_str2bin(uuid, u))
1301 if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0)
1303 return data.added ? 0 : -1;
1307 struct wps_button_pushed_ctx {
1308 const u8 *p2p_dev_addr;
1312 static int wps_button_pushed(struct hostapd_data *hapd, void *ctx)
1314 struct wps_button_pushed_ctx *data = ctx;
1318 return wps_registrar_button_pushed(hapd->wps->registrar,
1319 data->p2p_dev_addr);
1326 int hostapd_wps_button_pushed(struct hostapd_data *hapd,
1327 const u8 *p2p_dev_addr)
1329 struct wps_button_pushed_ctx ctx;
1332 os_memset(&ctx, 0, sizeof(ctx));
1333 ctx.p2p_dev_addr = p2p_dev_addr;
1334 ret = hostapd_wps_for_each(hapd, wps_button_pushed, &ctx);
1335 if (ret == 0 && !ctx.count)
1341 struct wps_cancel_ctx {
1345 static int wps_cancel(struct hostapd_data *hapd, void *ctx)
1347 struct wps_cancel_ctx *data = ctx;
1351 wps_registrar_wps_cancel(hapd->wps->registrar);
1352 ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
1359 int hostapd_wps_cancel(struct hostapd_data *hapd)
1361 struct wps_cancel_ctx ctx;
1364 os_memset(&ctx, 0, sizeof(ctx));
1365 ret = hostapd_wps_for_each(hapd, wps_cancel, &ctx);
1366 if (ret == 0 && !ctx.count)
1372 static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
1374 const u8 *ie, size_t ie_len,
1377 struct hostapd_data *hapd = ctx;
1378 struct wpabuf *wps_ie;
1379 struct ieee802_11_elems elems;
1381 if (hapd->wps == NULL)
1384 if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
1385 wpa_printf(MSG_DEBUG, "WPS: Could not parse ProbeReq from "
1386 MACSTR, MAC2STR(addr));
1390 if (elems.ssid && elems.ssid_len > 0 &&
1391 (elems.ssid_len != hapd->conf->ssid.ssid_len ||
1392 os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) !=
1394 return 0; /* Not for us */
1396 wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
1399 if (wps_validate_probe_req(wps_ie, addr) < 0) {
1400 wpabuf_free(wps_ie);
1404 if (wpabuf_len(wps_ie) > 0) {
1405 int p2p_wildcard = 0;
1407 if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
1408 os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
1409 P2P_WILDCARD_SSID_LEN) == 0)
1411 #endif /* CONFIG_P2P */
1412 wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie,
1414 #ifdef CONFIG_WPS_UPNP
1415 /* FIX: what exactly should be included in the WLANEvent?
1416 * WPS attributes? Full ProbeReq frame? */
1418 upnp_wps_device_send_wlan_event(
1419 hapd->wps_upnp, addr,
1420 UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie);
1421 #endif /* CONFIG_WPS_UPNP */
1424 wpabuf_free(wps_ie);
1430 #ifdef CONFIG_WPS_UPNP
1432 static int hostapd_rx_req_put_wlan_response(
1433 void *priv, enum upnp_wps_wlanevent_type ev_type,
1434 const u8 *mac_addr, const struct wpabuf *msg,
1435 enum wps_msg_type msg_type)
1437 struct hostapd_data *hapd = priv;
1438 struct sta_info *sta;
1439 struct upnp_pending_message *p;
1441 wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
1442 MACSTR, ev_type, MAC2STR(mac_addr));
1443 wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
1444 wpabuf_head(msg), wpabuf_len(msg));
1445 if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
1446 wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
1447 "PutWLANResponse WLANEventType %d", ev_type);
1452 * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
1453 * server implementation for delivery to the peer.
1456 sta = ap_get_sta(hapd, mac_addr);
1457 #ifndef CONFIG_WPS_STRICT
1460 * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
1461 * Pick STA that is in an ongoing WPS registration without
1462 * checking the MAC address.
1464 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
1465 "on NewWLANEventMAC; try wildcard match");
1466 for (sta = hapd->sta_list; sta; sta = sta->next) {
1467 if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
1471 #endif /* CONFIG_WPS_STRICT */
1473 if (!sta || !(sta->flags & WLAN_STA_WPS)) {
1474 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
1478 if (!sta->eapol_sm) {
1480 * This can happen, e.g., if an ER sends an extra message after
1481 * the station has disassociated (but not fully
1484 wpa_printf(MSG_DEBUG, "WPS UPnP: Matching STA did not have EAPOL state machine initialized");
1488 p = os_zalloc(sizeof(*p));
1491 os_memcpy(p->addr, sta->addr, ETH_ALEN);
1492 p->msg = wpabuf_dup(msg);
1494 p->next = hapd->wps->upnp_msgs;
1495 hapd->wps->upnp_msgs = p;
1497 return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
1501 static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
1502 struct wps_context *wps)
1504 struct upnp_wps_device_ctx *ctx;
1506 if (!hapd->conf->upnp_iface)
1508 ctx = os_zalloc(sizeof(*ctx));
1512 ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
1513 if (hapd->conf->ap_pin)
1514 ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
1516 hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd,
1517 hapd->conf->upnp_iface);
1518 if (hapd->wps_upnp == NULL)
1520 wps->wps_upnp = hapd->wps_upnp;
1526 static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
1528 upnp_wps_device_deinit(hapd->wps_upnp, hapd);
1531 #endif /* CONFIG_WPS_UPNP */
1534 int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
1535 char *buf, size_t buflen)
1537 if (hapd->wps == NULL)
1539 return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);
1543 static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
1545 struct hostapd_data *hapd = eloop_data;
1546 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
1547 hostapd_wps_ap_pin_disable(hapd);
1548 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_PIN_DISABLED);
1552 static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout)
1554 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
1555 hapd->ap_pin_failures = 0;
1556 hapd->ap_pin_failures_consecutive = 0;
1557 hapd->conf->ap_setup_locked = 0;
1558 if (hapd->wps->ap_setup_locked) {
1559 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
1560 hapd->wps->ap_setup_locked = 0;
1561 wps_registrar_update_ie(hapd->wps->registrar);
1563 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1565 eloop_register_timeout(timeout, 0,
1566 hostapd_wps_ap_pin_timeout, hapd, NULL);
1570 static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx)
1572 os_free(hapd->conf->ap_pin);
1573 hapd->conf->ap_pin = NULL;
1574 #ifdef CONFIG_WPS_UPNP
1575 upnp_wps_set_ap_pin(hapd->wps_upnp, NULL);
1576 #endif /* CONFIG_WPS_UPNP */
1577 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1582 void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd)
1584 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
1585 hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL);
1589 struct wps_ap_pin_data {
1595 static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx)
1597 struct wps_ap_pin_data *data = ctx;
1602 os_free(hapd->conf->ap_pin);
1603 hapd->conf->ap_pin = os_strdup(data->pin_txt);
1604 #ifdef CONFIG_WPS_UPNP
1605 upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt);
1606 #endif /* CONFIG_WPS_UPNP */
1607 hostapd_wps_ap_pin_enable(hapd, data->timeout);
1612 const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout)
1615 struct wps_ap_pin_data data;
1617 pin = wps_generate_pin();
1618 os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%08u", pin);
1619 data.timeout = timeout;
1620 hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
1621 return hapd->conf->ap_pin;
1625 const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd)
1627 return hapd->conf->ap_pin;
1631 int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin,
1634 struct wps_ap_pin_data data;
1637 ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin);
1638 if (os_snprintf_error(sizeof(data.pin_txt), ret))
1640 data.timeout = timeout;
1641 return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
1645 static int wps_update_ie(struct hostapd_data *hapd, void *ctx)
1648 wps_registrar_update_ie(hapd->wps->registrar);
1653 void hostapd_wps_update_ie(struct hostapd_data *hapd)
1655 hostapd_wps_for_each(hapd, wps_update_ie, NULL);
1659 int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
1660 const char *auth, const char *encr, const char *key)
1662 struct wps_credential cred;
1665 os_memset(&cred, 0, sizeof(cred));
1667 len = os_strlen(ssid);
1668 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1669 hexstr2bin(ssid, cred.ssid, len / 2))
1671 cred.ssid_len = len / 2;
1673 if (os_strncmp(auth, "OPEN", 4) == 0)
1674 cred.auth_type = WPS_AUTH_OPEN;
1675 else if (os_strncmp(auth, "WPAPSK", 6) == 0)
1676 cred.auth_type = WPS_AUTH_WPAPSK;
1677 else if (os_strncmp(auth, "WPA2PSK", 7) == 0)
1678 cred.auth_type = WPS_AUTH_WPA2PSK;
1683 if (os_strncmp(encr, "NONE", 4) == 0)
1684 cred.encr_type = WPS_ENCR_NONE;
1685 else if (os_strncmp(encr, "TKIP", 4) == 0)
1686 cred.encr_type = WPS_ENCR_TKIP;
1687 else if (os_strncmp(encr, "CCMP", 4) == 0)
1688 cred.encr_type = WPS_ENCR_AES;
1692 cred.encr_type = WPS_ENCR_NONE;
1695 len = os_strlen(key);
1696 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1697 hexstr2bin(key, cred.key, len / 2))
1699 cred.key_len = len / 2;
1702 return wps_registrar_config_ap(hapd->wps->registrar, &cred);
1706 #ifdef CONFIG_WPS_NFC
1708 struct wps_nfc_password_token_data {
1709 const u8 *oob_dev_pw;
1710 size_t oob_dev_pw_len;
1715 static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx)
1717 struct wps_nfc_password_token_data *data = ctx;
1720 if (hapd->wps == NULL)
1722 ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar,
1724 data->oob_dev_pw_len);
1731 static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd,
1732 struct wps_parse_attr *attr)
1734 struct wps_nfc_password_token_data data;
1736 data.oob_dev_pw = attr->oob_dev_password;
1737 data.oob_dev_pw_len = attr->oob_dev_password_len;
1739 if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0)
1741 return data.added ? 0 : -1;
1745 static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd,
1746 const struct wpabuf *wps)
1748 struct wps_parse_attr attr;
1750 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
1752 if (wps_parse_msg(wps, &attr)) {
1753 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
1757 if (attr.oob_dev_password)
1758 return hostapd_wps_add_nfc_password_token(hapd, &attr);
1760 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
1765 int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd,
1766 const struct wpabuf *data)
1768 const struct wpabuf *wps = data;
1769 struct wpabuf *tmp = NULL;
1772 if (wpabuf_len(data) < 4)
1775 if (*wpabuf_head_u8(data) != 0x10) {
1776 /* Assume this contains full NDEF record */
1777 tmp = ndef_parse_wifi(data);
1779 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
1785 ret = hostapd_wps_nfc_tag_process(hapd, wps);
1791 struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd,
1796 if (hapd->wps == NULL)
1799 ret = wps_get_oob_cred(hapd->wps, hostapd_wps_rf_band_cb(hapd),
1800 hapd->iconf->channel);
1803 tmp = ndef_build_wifi(ret);
1814 struct wpabuf * hostapd_wps_nfc_hs_cr(struct hostapd_data *hapd, int ndef)
1818 if (hapd->wps == NULL)
1821 if (hapd->conf->wps_nfc_dh_pubkey == NULL) {
1822 struct wps_context *wps = hapd->wps;
1823 if (wps_nfc_gen_dh(&hapd->conf->wps_nfc_dh_pubkey,
1824 &hapd->conf->wps_nfc_dh_privkey) < 0)
1826 hostapd_wps_nfc_clear(wps);
1827 wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
1828 wps->ap_nfc_dh_pubkey =
1829 wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
1830 wps->ap_nfc_dh_privkey =
1831 wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
1832 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
1833 hostapd_wps_nfc_clear(wps);
1838 ret = wps_build_nfc_handover_sel(hapd->wps,
1839 hapd->conf->wps_nfc_dh_pubkey,
1840 hapd->own_addr, hapd->iface->freq);
1844 tmp = ndef_build_wifi(ret);
1855 int hostapd_wps_nfc_report_handover(struct hostapd_data *hapd,
1856 const struct wpabuf *req,
1857 const struct wpabuf *sel)
1864 struct wps_parse_attr attr;
1868 * Enrollee/station is always initiator of the NFC connection handover,
1869 * so use the request message here to find Enrollee public key hash.
1871 wps = ndef_parse_wifi(req);
1874 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
1875 "payload from NFC connection handover");
1876 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
1877 if (wpabuf_len(wps) < 2) {
1878 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
1882 pos = wpabuf_head(wps);
1883 wsc_len = WPA_GET_BE16(pos);
1884 if (wsc_len > wpabuf_len(wps) - 2) {
1885 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
1886 "in rt Wi-Fi Handover Request Message", wsc_len);
1891 wpa_hexdump(MSG_DEBUG,
1892 "WPS: WSC attributes in Wi-Fi Handover Request Message",
1894 if (wsc_len < wpabuf_len(wps) - 2) {
1895 wpa_hexdump(MSG_DEBUG,
1896 "WPS: Ignore extra data after WSC attributes",
1897 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
1900 wpabuf_set(&msg, pos, wsc_len);
1901 ret = wps_parse_msg(&msg, &attr);
1903 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
1904 "Wi-Fi Handover Request Message");
1908 if (attr.oob_dev_password == NULL ||
1909 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
1910 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
1911 "included in Wi-Fi Handover Request Message");
1916 if (attr.uuid_e == NULL) {
1917 wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
1918 "Handover Request Message");
1923 wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
1925 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
1926 attr.oob_dev_password, attr.oob_dev_password_len);
1927 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
1928 WPS_OOB_PUBKEY_HASH_LEN);
1929 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
1930 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
1931 "%u in Wi-Fi Handover Request Message", dev_pw_id);
1935 wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
1936 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
1938 ret = wps_registrar_add_nfc_pw_token(hapd->wps->registrar,
1939 attr.oob_dev_password,
1940 DEV_PW_NFC_CONNECTION_HANDOVER,
1949 struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef)
1951 if (hapd->conf->wps_nfc_pw_from_config) {
1952 return wps_nfc_token_build(ndef,
1953 hapd->conf->wps_nfc_dev_pw_id,
1954 hapd->conf->wps_nfc_dh_pubkey,
1955 hapd->conf->wps_nfc_dev_pw);
1958 return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id,
1959 &hapd->conf->wps_nfc_dh_pubkey,
1960 &hapd->conf->wps_nfc_dh_privkey,
1961 &hapd->conf->wps_nfc_dev_pw);
1965 int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd)
1967 struct wps_context *wps = hapd->wps;
1973 if (!hapd->conf->wps_nfc_dh_pubkey ||
1974 !hapd->conf->wps_nfc_dh_privkey ||
1975 !hapd->conf->wps_nfc_dev_pw ||
1976 !hapd->conf->wps_nfc_dev_pw_id)
1979 hostapd_wps_nfc_clear(wps);
1980 wpa_printf(MSG_DEBUG,
1981 "WPS: Enable NFC Tag (Dev Pw Id %u) for AP interface %s (context %p)",
1982 hapd->conf->wps_nfc_dev_pw_id, hapd->conf->iface, wps);
1983 wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id;
1984 wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
1985 wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
1986 pw = hapd->conf->wps_nfc_dev_pw;
1987 wps->ap_nfc_dev_pw = wpabuf_alloc(
1988 wpabuf_len(pw) * 2 + 1);
1989 if (wps->ap_nfc_dev_pw) {
1990 wpa_snprintf_hex_uppercase(
1991 (char *) wpabuf_put(wps->ap_nfc_dev_pw,
1992 wpabuf_len(pw) * 2),
1993 wpabuf_len(pw) * 2 + 1,
1994 wpabuf_head(pw), wpabuf_len(pw));
1997 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey ||
1998 !wps->ap_nfc_dev_pw) {
1999 hostapd_wps_nfc_clear(wps);
2007 void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd)
2009 wpa_printf(MSG_DEBUG, "WPS: Disable NFC token for AP interface %s",
2011 hostapd_wps_nfc_clear(hapd->wps);
2014 #endif /* CONFIG_WPS_NFC */