2 * hostapd / WPS integration
3 * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
20 #include "crypto/dh_groups.h"
21 #include "common/wpa_ctrl.h"
22 #include "common/ieee802_11_defs.h"
23 #include "common/ieee802_11_common.h"
24 #include "eapol_auth/eapol_auth_sm.h"
25 #include "eapol_auth/eapol_auth_sm_i.h"
27 #include "wps/wps_defs.h"
28 #include "wps/wps_dev_attr.h"
32 #include "wps_hostapd.h"
35 #ifdef CONFIG_WPS_UPNP
36 #include "wps/wps_upnp.h"
37 static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
38 struct wps_context *wps);
39 static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
40 #endif /* CONFIG_WPS_UPNP */
42 static void hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
43 const u8 *ie, size_t ie_len);
46 static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
49 struct hostapd_data *hapd = ctx;
50 struct hostapd_wpa_psk *p;
51 struct hostapd_ssid *ssid = &hapd->conf->ssid;
53 wpa_printf(MSG_DEBUG, "Received new WPA/WPA2-PSK from WPS for STA "
54 MACSTR, MAC2STR(mac_addr));
55 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
57 if (psk_len != PMK_LEN) {
58 wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu",
59 (unsigned long) psk_len);
63 /* Add the new PSK to runtime PSK list */
64 p = os_zalloc(sizeof(*p));
67 os_memcpy(p->addr, mac_addr, ETH_ALEN);
68 os_memcpy(p->psk, psk, PMK_LEN);
70 p->next = ssid->wpa_psk;
73 if (ssid->wpa_psk_file) {
75 char hex[PMK_LEN * 2 + 1];
76 /* Add the new PSK to PSK list file */
77 f = fopen(ssid->wpa_psk_file, "a");
79 wpa_printf(MSG_DEBUG, "Failed to add the PSK to "
80 "'%s'", ssid->wpa_psk_file);
84 wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len);
85 fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex);
93 static int hostapd_wps_set_ie_cb(void *ctx, const u8 *beacon_ie,
94 size_t beacon_ie_len, const u8 *probe_resp_ie,
95 size_t probe_resp_ie_len)
97 struct hostapd_data *hapd = ctx;
99 os_free(hapd->wps_beacon_ie);
100 if (beacon_ie_len == 0) {
101 hapd->wps_beacon_ie = NULL;
102 hapd->wps_beacon_ie_len = 0;
104 hapd->wps_beacon_ie = os_malloc(beacon_ie_len);
105 if (hapd->wps_beacon_ie == NULL) {
106 hapd->wps_beacon_ie_len = 0;
109 os_memcpy(hapd->wps_beacon_ie, beacon_ie, beacon_ie_len);
110 hapd->wps_beacon_ie_len = beacon_ie_len;
112 hostapd_set_wps_beacon_ie(hapd, hapd->wps_beacon_ie,
113 hapd->wps_beacon_ie_len);
115 os_free(hapd->wps_probe_resp_ie);
116 if (probe_resp_ie_len == 0) {
117 hapd->wps_probe_resp_ie = NULL;
118 hapd->wps_probe_resp_ie_len = 0;
120 hapd->wps_probe_resp_ie = os_malloc(probe_resp_ie_len);
121 if (hapd->wps_probe_resp_ie == NULL) {
122 hapd->wps_probe_resp_ie_len = 0;
125 os_memcpy(hapd->wps_probe_resp_ie, probe_resp_ie,
127 hapd->wps_probe_resp_ie_len = probe_resp_ie_len;
129 hostapd_set_wps_probe_resp_ie(hapd, hapd->wps_probe_resp_ie,
130 hapd->wps_probe_resp_ie_len);
136 static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
137 const struct wps_device_data *dev)
139 struct hostapd_data *hapd = ctx;
140 char uuid[40], txt[400];
142 char devtype[WPS_DEV_TYPE_BUFSIZE];
143 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
145 wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid);
146 len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED
147 "%s " MACSTR " [%s|%s|%s|%s|%s|%s]",
148 uuid, MAC2STR(dev->mac_addr), dev->device_name,
149 dev->manufacturer, dev->model_name,
150 dev->model_number, dev->serial_number,
151 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
153 if (len > 0 && len < (int) sizeof(txt))
154 wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
156 if (hapd->conf->wps_pin_requests) {
159 f = fopen(hapd->conf->wps_pin_requests, "a");
163 fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
165 t.sec, uuid, MAC2STR(dev->mac_addr), dev->device_name,
166 dev->manufacturer, dev->model_name, dev->model_number,
168 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
175 static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
178 struct hostapd_data *hapd = ctx;
180 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
182 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
183 MAC2STR(mac_addr), uuid);
187 static int str_starts(const char *str, const char *start)
189 return os_strncmp(str, start, os_strlen(start)) == 0;
193 static void wps_reload_config(void *eloop_data, void *user_ctx)
195 struct hostapd_iface *iface = eloop_data;
197 wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
198 if (hostapd_reload_config(iface) < 0) {
199 wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
205 static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
207 struct hostapd_data *hapd = ctx;
215 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
216 cred->cred_attr, cred->cred_attr_len);
218 wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings");
219 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
220 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
222 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
223 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
224 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
225 cred->key, cred->key_len);
226 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
227 MAC2STR(cred->mac_addr));
229 if ((hapd->conf->wps_cred_processing == 1 ||
230 hapd->conf->wps_cred_processing == 2) && cred->cred_attr) {
231 size_t blen = cred->cred_attr_len * 2 + 1;
232 char *_buf = os_malloc(blen);
234 wpa_snprintf_hex(_buf, blen,
235 cred->cred_attr, cred->cred_attr_len);
236 wpa_msg(hapd->msg_ctx, MSG_INFO, "%s%s",
237 WPS_EVENT_NEW_AP_SETTINGS, _buf);
241 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
243 if (hapd->conf->wps_cred_processing == 1)
246 os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
247 hapd->wps->ssid_len = cred->ssid_len;
248 hapd->wps->encr_types = cred->encr_type;
249 hapd->wps->auth_types = cred->auth_type;
250 if (cred->key_len == 0) {
251 os_free(hapd->wps->network_key);
252 hapd->wps->network_key = NULL;
253 hapd->wps->network_key_len = 0;
255 if (hapd->wps->network_key == NULL ||
256 hapd->wps->network_key_len < cred->key_len) {
257 hapd->wps->network_key_len = 0;
258 os_free(hapd->wps->network_key);
259 hapd->wps->network_key = os_malloc(cred->key_len);
260 if (hapd->wps->network_key == NULL)
263 hapd->wps->network_key_len = cred->key_len;
264 os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
266 hapd->wps->wps_state = WPS_STATE_CONFIGURED;
268 len = os_strlen(hapd->iface->config_fname) + 5;
269 tmp_fname = os_malloc(len);
270 if (tmp_fname == NULL)
272 os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname);
274 oconf = fopen(hapd->iface->config_fname, "r");
276 wpa_printf(MSG_WARNING, "WPS: Could not open current "
277 "configuration file");
282 nconf = fopen(tmp_fname, "w");
284 wpa_printf(MSG_WARNING, "WPS: Could not write updated "
285 "configuration file");
291 fprintf(nconf, "# WPS configuration - START\n");
293 fprintf(nconf, "wps_state=2\n");
295 fprintf(nconf, "ssid=");
296 for (i = 0; i < cred->ssid_len; i++)
297 fputc(cred->ssid[i], nconf);
298 fprintf(nconf, "\n");
300 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
301 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
303 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
305 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
312 fprintf(nconf, "wpa=%d\n", wpa);
314 fprintf(nconf, "wpa_key_mgmt=");
316 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) {
317 fprintf(nconf, "WPA-EAP");
320 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
321 fprintf(nconf, "%sWPA-PSK", prefix);
322 fprintf(nconf, "\n");
324 fprintf(nconf, "wpa_pairwise=");
326 if (cred->encr_type & WPS_ENCR_AES) {
327 fprintf(nconf, "CCMP");
330 if (cred->encr_type & WPS_ENCR_TKIP) {
331 fprintf(nconf, "%sTKIP", prefix);
333 fprintf(nconf, "\n");
335 if (cred->key_len >= 8 && cred->key_len < 64) {
336 fprintf(nconf, "wpa_passphrase=");
337 for (i = 0; i < cred->key_len; i++)
338 fputc(cred->key[i], nconf);
339 fprintf(nconf, "\n");
340 } else if (cred->key_len == 64) {
341 fprintf(nconf, "wpa_psk=");
342 for (i = 0; i < cred->key_len; i++)
343 fputc(cred->key[i], nconf);
344 fprintf(nconf, "\n");
346 wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu "
348 (unsigned long) cred->key_len);
351 fprintf(nconf, "auth_algs=1\n");
353 if ((cred->auth_type & WPS_AUTH_OPEN) &&
354 (cred->auth_type & WPS_AUTH_SHARED))
355 fprintf(nconf, "auth_algs=3\n");
356 else if (cred->auth_type & WPS_AUTH_SHARED)
357 fprintf(nconf, "auth_algs=2\n");
359 fprintf(nconf, "auth_algs=1\n");
361 if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx <= 4) {
362 int key_idx = cred->key_idx;
365 fprintf(nconf, "wep_default_key=%d\n", key_idx);
366 fprintf(nconf, "wep_key%d=", key_idx);
367 if (cred->key_len == 10 || cred->key_len == 26) {
368 /* WEP key as a hex string */
369 for (i = 0; i < cred->key_len; i++)
370 fputc(cred->key[i], nconf);
372 /* Raw WEP key; convert to hex */
373 for (i = 0; i < cred->key_len; i++)
374 fprintf(nconf, "%02x", cred->key[i]);
376 fprintf(nconf, "\n");
380 fprintf(nconf, "# WPS configuration - END\n");
383 while (fgets(buf, sizeof(buf), oconf)) {
384 if (os_strncmp(buf, "bss=", 4) == 0)
387 (str_starts(buf, "ssid=") ||
388 str_starts(buf, "auth_algs=") ||
389 str_starts(buf, "wps_state=") ||
390 str_starts(buf, "wpa=") ||
391 str_starts(buf, "wpa_psk=") ||
392 str_starts(buf, "wpa_pairwise=") ||
393 str_starts(buf, "rsn_pairwise=") ||
394 str_starts(buf, "wpa_key_mgmt=") ||
395 str_starts(buf, "wpa_passphrase="))) {
396 fprintf(nconf, "#WPS# %s", buf);
398 fprintf(nconf, "%s", buf);
404 if (rename(tmp_fname, hapd->iface->config_fname) < 0) {
405 wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated "
406 "configuration file: %s", strerror(errno));
413 /* Schedule configuration reload after short period of time to allow
414 * EAP-WSC to be finished.
416 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
419 /* TODO: dualband AP may need to update multiple configuration files */
421 wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
427 static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
428 struct wps_event_pwd_auth_fail *data)
436 * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup
437 * if this happens multiple times.
439 hapd->ap_pin_failures++;
440 if (hapd->ap_pin_failures < 4)
443 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
444 hapd->wps->ap_setup_locked = 1;
446 wps_registrar_update_ie(hapd->wps->registrar);
448 if (hapd->conf->wps_cred_processing == 1)
451 f = fopen(hapd->iface->config_fname, "a");
453 wpa_printf(MSG_WARNING, "WPS: Could not append to the current "
454 "configuration file");
458 fprintf(f, "# WPS AP Setup Locked based on possible attack\n");
459 fprintf(f, "ap_setup_locked=1\n");
462 /* TODO: dualband AP may need to update multiple configuration files */
464 wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
468 static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
469 union wps_event_data *data)
471 struct hostapd_data *hapd = ctx;
473 if (event == WPS_EV_PWD_AUTH_FAIL)
474 hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
478 static void hostapd_wps_clear_ies(struct hostapd_data *hapd)
480 os_free(hapd->wps_beacon_ie);
481 hapd->wps_beacon_ie = NULL;
482 hapd->wps_beacon_ie_len = 0;
483 hostapd_set_wps_beacon_ie(hapd, NULL, 0);
485 os_free(hapd->wps_probe_resp_ie);
486 hapd->wps_probe_resp_ie = NULL;
487 hapd->wps_probe_resp_ie_len = 0;
488 hostapd_set_wps_probe_resp_ie(hapd, NULL, 0);
492 int hostapd_init_wps(struct hostapd_data *hapd,
493 struct hostapd_bss_config *conf)
495 struct wps_context *wps;
496 struct wps_registrar_config cfg;
498 if (conf->wps_state == 0) {
499 hostapd_wps_clear_ies(hapd);
503 wps = os_zalloc(sizeof(*wps));
507 wps->cred_cb = hostapd_wps_cred_cb;
508 wps->event_cb = hostapd_wps_event_cb;
511 os_memset(&cfg, 0, sizeof(cfg));
512 wps->wps_state = hapd->conf->wps_state;
513 wps->ap_setup_locked = hapd->conf->ap_setup_locked;
514 if (is_nil_uuid(hapd->conf->uuid)) {
515 uuid_gen_mac_addr(hapd->own_addr, wps->uuid);
516 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address",
517 wps->uuid, UUID_LEN);
519 os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN);
520 wps->ssid_len = hapd->conf->ssid.ssid_len;
521 os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len);
523 os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN);
524 wps->dev.device_name = hapd->conf->device_name ?
525 os_strdup(hapd->conf->device_name) : NULL;
526 wps->dev.manufacturer = hapd->conf->manufacturer ?
527 os_strdup(hapd->conf->manufacturer) : NULL;
528 wps->dev.model_name = hapd->conf->model_name ?
529 os_strdup(hapd->conf->model_name) : NULL;
530 wps->dev.model_number = hapd->conf->model_number ?
531 os_strdup(hapd->conf->model_number) : NULL;
532 wps->dev.serial_number = hapd->conf->serial_number ?
533 os_strdup(hapd->conf->serial_number) : NULL;
534 wps->config_methods =
535 wps_config_methods_str2bin(hapd->conf->config_methods);
536 if (hapd->conf->device_type &&
537 wps_dev_type_str2bin(hapd->conf->device_type,
538 wps->dev.pri_dev_type) < 0) {
539 wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
543 wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
544 wps->dev.rf_bands = hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
545 WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
547 if (conf->wpa & WPA_PROTO_RSN) {
548 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
549 wps->auth_types |= WPS_AUTH_WPA2PSK;
550 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
551 wps->auth_types |= WPS_AUTH_WPA2;
553 if (conf->rsn_pairwise & WPA_CIPHER_CCMP)
554 wps->encr_types |= WPS_ENCR_AES;
555 if (conf->rsn_pairwise & WPA_CIPHER_TKIP)
556 wps->encr_types |= WPS_ENCR_TKIP;
559 if (conf->wpa & WPA_PROTO_WPA) {
560 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
561 wps->auth_types |= WPS_AUTH_WPAPSK;
562 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
563 wps->auth_types |= WPS_AUTH_WPA;
565 if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
566 wps->encr_types |= WPS_ENCR_AES;
567 if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
568 wps->encr_types |= WPS_ENCR_TKIP;
571 if (conf->ssid.security_policy == SECURITY_PLAINTEXT) {
572 wps->encr_types |= WPS_ENCR_NONE;
573 wps->auth_types |= WPS_AUTH_OPEN;
574 } else if (conf->ssid.security_policy == SECURITY_STATIC_WEP) {
575 wps->encr_types |= WPS_ENCR_WEP;
576 if (conf->auth_algs & WPA_AUTH_ALG_OPEN)
577 wps->auth_types |= WPS_AUTH_OPEN;
578 if (conf->auth_algs & WPA_AUTH_ALG_SHARED)
579 wps->auth_types |= WPS_AUTH_SHARED;
580 } else if (conf->ssid.security_policy == SECURITY_IEEE_802_1X) {
581 wps->auth_types |= WPS_AUTH_OPEN;
582 if (conf->default_wep_key_len)
583 wps->encr_types |= WPS_ENCR_WEP;
585 wps->encr_types |= WPS_ENCR_NONE;
588 if (conf->ssid.wpa_psk_file) {
589 /* Use per-device PSKs */
590 } else if (conf->ssid.wpa_passphrase) {
591 wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase);
592 wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase);
593 } else if (conf->ssid.wpa_psk) {
594 wps->network_key = os_malloc(2 * PMK_LEN + 1);
595 if (wps->network_key == NULL) {
599 wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1,
600 conf->ssid.wpa_psk->psk, PMK_LEN);
601 wps->network_key_len = 2 * PMK_LEN;
602 } else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) {
603 wps->network_key = os_malloc(conf->ssid.wep.len[0]);
604 if (wps->network_key == NULL) {
608 os_memcpy(wps->network_key, conf->ssid.wep.key[0],
609 conf->ssid.wep.len[0]);
610 wps->network_key_len = conf->ssid.wep.len[0];
613 if (conf->ssid.wpa_psk) {
614 os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN);
618 if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
619 /* Override parameters to enable security by default */
620 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
621 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
624 wps->ap_settings = conf->ap_settings;
625 wps->ap_settings_len = conf->ap_settings_len;
627 cfg.new_psk_cb = hostapd_wps_new_psk_cb;
628 cfg.set_ie_cb = hostapd_wps_set_ie_cb;
629 cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
630 cfg.reg_success_cb = hostapd_wps_reg_success_cb;
632 cfg.skip_cred_build = conf->skip_cred_build;
633 cfg.extra_cred = conf->extra_cred;
634 cfg.extra_cred_len = conf->extra_cred_len;
635 cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
636 conf->skip_cred_build;
637 if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
638 cfg.static_wep_only = 1;
640 wps->registrar = wps_registrar_init(wps, &cfg);
641 if (wps->registrar == NULL) {
642 printf("Failed to initialize WPS Registrar\n");
643 os_free(wps->network_key);
648 #ifdef CONFIG_WPS_UPNP
649 wps->friendly_name = hapd->conf->friendly_name;
650 wps->manufacturer_url = hapd->conf->manufacturer_url;
651 wps->model_description = hapd->conf->model_description;
652 wps->model_url = hapd->conf->model_url;
653 wps->upc = hapd->conf->upc;
655 if (hostapd_wps_upnp_init(hapd, wps) < 0) {
656 wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
657 wps_registrar_deinit(wps->registrar);
658 os_free(wps->network_key);
662 #endif /* CONFIG_WPS_UPNP */
664 hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
672 void hostapd_deinit_wps(struct hostapd_data *hapd)
674 if (hapd->wps == NULL)
676 #ifdef CONFIG_WPS_UPNP
677 hostapd_wps_upnp_deinit(hapd);
678 #endif /* CONFIG_WPS_UPNP */
679 wps_registrar_deinit(hapd->wps->registrar);
680 os_free(hapd->wps->network_key);
681 wps_device_data_free(&hapd->wps->dev);
682 wpabuf_free(hapd->wps->dh_pubkey);
683 wpabuf_free(hapd->wps->dh_privkey);
684 wpabuf_free(hapd->wps->oob_conf.pubkey_hash);
685 wpabuf_free(hapd->wps->oob_conf.dev_password);
686 wps_free_pending_msgs(hapd->wps->upnp_msgs);
689 hostapd_wps_clear_ies(hapd);
693 int hostapd_wps_add_pin(struct hostapd_data *hapd, const char *uuid,
694 const char *pin, int timeout)
699 if (hapd->wps == NULL)
701 if (os_strcmp(uuid, "any") == 0)
703 else if (uuid_str2bin(uuid, u))
705 return wps_registrar_add_pin(hapd->wps->registrar, any ? NULL : u,
706 (const u8 *) pin, os_strlen(pin),
711 int hostapd_wps_button_pushed(struct hostapd_data *hapd)
713 if (hapd->wps == NULL)
715 return wps_registrar_button_pushed(hapd->wps->registrar);
719 #ifdef CONFIG_WPS_OOB
720 int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
721 char *path, char *method, char *name)
723 struct wps_context *wps = hapd->wps;
724 struct oob_device_data *oob_dev;
726 oob_dev = wps_get_oob_device(device_type);
729 oob_dev->device_path = path;
730 oob_dev->device_name = name;
731 wps->oob_conf.oob_method = wps_get_oob_method(method);
733 if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) {
735 * Use pre-configured DH keys in order to be able to write the
736 * key hash into the OOB file.
738 wpabuf_free(wps->dh_pubkey);
739 wpabuf_free(wps->dh_privkey);
740 wps->dh_privkey = NULL;
741 wps->dh_pubkey = dh_init(dh_groups_get(WPS_DH_GROUP),
743 wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
744 if (wps->dh_pubkey == NULL) {
745 wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
746 "Diffie-Hellman handshake");
751 if (wps_process_oob(wps, oob_dev, 1) < 0)
754 if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
755 wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
756 hostapd_wps_add_pin(hapd, "any",
757 wpabuf_head(wps->oob_conf.dev_password), 0) <
764 wpabuf_free(wps->dh_pubkey);
765 wps->dh_pubkey = NULL;
766 wpabuf_free(wps->dh_privkey);
767 wps->dh_privkey = NULL;
770 #endif /* CONFIG_WPS_OOB */
773 static void hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
774 const u8 *ie, size_t ie_len)
776 struct hostapd_data *hapd = ctx;
777 struct wpabuf *wps_ie;
779 if (hapd->wps == NULL)
782 wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
786 if (wpabuf_len(wps_ie) > 0) {
787 wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie);
788 #ifdef CONFIG_WPS_UPNP
789 /* FIX: what exactly should be included in the WLANEvent?
790 * WPS attributes? Full ProbeReq frame? */
791 upnp_wps_device_send_wlan_event(hapd->wps_upnp, addr,
792 UPNP_WPS_WLANEVENT_TYPE_PROBE,
794 #endif /* CONFIG_WPS_UPNP */
801 #ifdef CONFIG_WPS_UPNP
803 static int hostapd_rx_req_put_wlan_response(
804 void *priv, enum upnp_wps_wlanevent_type ev_type,
805 const u8 *mac_addr, const struct wpabuf *msg,
806 enum wps_msg_type msg_type)
808 struct hostapd_data *hapd = priv;
809 struct sta_info *sta;
810 struct upnp_pending_message *p;
812 wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
813 MACSTR, ev_type, MAC2STR(mac_addr));
814 wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
815 wpabuf_head(msg), wpabuf_len(msg));
816 if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
817 wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
818 "PutWLANResponse WLANEventType %d", ev_type);
823 * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
824 * server implementation for delivery to the peer.
827 sta = ap_get_sta(hapd, mac_addr);
830 * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
831 * Pick STA that is in an ongoing WPS registration without
832 * checking the MAC address.
834 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
835 "on NewWLANEventMAC; try wildcard match");
836 for (sta = hapd->sta_list; sta; sta = sta->next) {
837 if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
843 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
847 p = os_zalloc(sizeof(*p));
850 os_memcpy(p->addr, sta->addr, ETH_ALEN);
851 p->msg = wpabuf_dup(msg);
853 p->next = hapd->wps->upnp_msgs;
854 hapd->wps->upnp_msgs = p;
856 return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
860 static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
861 struct wps_context *wps)
863 struct upnp_wps_device_ctx *ctx;
865 if (!hapd->conf->upnp_iface)
867 ctx = os_zalloc(sizeof(*ctx));
871 ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
872 if (hapd->conf->ap_pin)
873 ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
875 hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd);
876 if (hapd->wps_upnp == NULL) {
880 wps->wps_upnp = hapd->wps_upnp;
882 if (upnp_wps_device_start(hapd->wps_upnp, hapd->conf->upnp_iface)) {
883 upnp_wps_device_deinit(hapd->wps_upnp);
884 hapd->wps_upnp = NULL;
892 static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
894 upnp_wps_device_deinit(hapd->wps_upnp);
897 #endif /* CONFIG_WPS_UPNP */
900 int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
901 char *buf, size_t buflen)
903 return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);