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wpa_supplicant: Unify hardware feature data
[thirdparty/hostap.git] / wpa_supplicant / wps_supplicant.c
1 /*
2 * wpa_supplicant / WPS integration
3 * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
4 *
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.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15 #include "includes.h"
16
17 #include "common.h"
18 #include "eloop.h"
19 #include "uuid.h"
20 #include "crypto/dh_group5.h"
21 #include "common/ieee802_11_defs.h"
22 #include "common/ieee802_11_common.h"
23 #include "common/wpa_common.h"
24 #include "common/wpa_ctrl.h"
25 #include "eap_common/eap_wsc_common.h"
26 #include "eap_peer/eap.h"
27 #include "eapol_supp/eapol_supp_sm.h"
28 #include "rsn_supp/wpa.h"
29 #include "config.h"
30 #include "wpa_supplicant_i.h"
31 #include "driver_i.h"
32 #include "notify.h"
33 #include "blacklist.h"
34 #include "bss.h"
35 #include "scan.h"
36 #include "ap.h"
37 #include "p2p/p2p.h"
38 #include "p2p_supplicant.h"
39 #include "wps_supplicant.h"
40
41
42 #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
43 #define WPS_PIN_SCAN_IGNORE_SEL_REG 3
44 #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
45
46 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
47 static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
48
49
50 int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
51 {
52 if (!wpa_s->wps_success &&
53 wpa_s->current_ssid &&
54 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
55 const u8 *bssid = wpa_s->bssid;
56 if (is_zero_ether_addr(bssid))
57 bssid = wpa_s->pending_bssid;
58
59 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
60 " did not succeed - continue trying to find "
61 "suitable AP", MAC2STR(bssid));
62 wpa_blacklist_add(wpa_s, bssid);
63
64 wpa_supplicant_deauthenticate(wpa_s,
65 WLAN_REASON_DEAUTH_LEAVING);
66 wpa_s->reassociate = 1;
67 wpa_supplicant_req_scan(wpa_s,
68 wpa_s->blacklist_cleared ? 5 : 0, 0);
69 wpa_s->blacklist_cleared = 0;
70 return 1;
71 }
72
73 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
74 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
75 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
76
77 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
78 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
79 int disabled = wpa_s->current_ssid->disabled;
80 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
81 "try to associate with the received credential");
82 wpa_supplicant_deauthenticate(wpa_s,
83 WLAN_REASON_DEAUTH_LEAVING);
84 if (disabled) {
85 wpa_printf(MSG_DEBUG, "WPS: Current network is "
86 "disabled - wait for user to enable");
87 return 1;
88 }
89 wpa_s->after_wps = 5;
90 wpa_s->wps_freq = wpa_s->assoc_freq;
91 wpa_s->reassociate = 1;
92 wpa_supplicant_req_scan(wpa_s, 0, 0);
93 return 1;
94 }
95
96 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
97 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
98 "for external credential processing");
99 wpas_clear_wps(wpa_s);
100 wpa_supplicant_deauthenticate(wpa_s,
101 WLAN_REASON_DEAUTH_LEAVING);
102 return 1;
103 }
104
105 return 0;
106 }
107
108
109 static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
110 struct wpa_ssid *ssid,
111 const struct wps_credential *cred)
112 {
113 struct wpa_driver_capa capa;
114 struct wpa_bss *bss;
115 const u8 *ie;
116 struct wpa_ie_data adv;
117 int wpa2 = 0, ccmp = 0;
118
119 /*
120 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
121 * case they are configured for mixed mode operation (WPA+WPA2 and
122 * TKIP+CCMP). Try to use scan results to figure out whether the AP
123 * actually supports stronger security and select that if the client
124 * has support for it, too.
125 */
126
127 if (wpa_drv_get_capa(wpa_s, &capa))
128 return; /* Unknown what driver supports */
129
130 if (ssid->ssid == NULL)
131 return;
132 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
133 if (bss == NULL) {
134 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
135 "table - use credential as-is");
136 return;
137 }
138
139 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
140
141 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
142 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
143 wpa2 = 1;
144 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
145 ccmp = 1;
146 } else {
147 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
148 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
149 adv.pairwise_cipher & WPA_CIPHER_CCMP)
150 ccmp = 1;
151 }
152
153 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
154 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
155 /*
156 * TODO: This could be the initial AP configuration and the
157 * Beacon contents could change shortly. Should request a new
158 * scan and delay addition of the network until the updated
159 * scan results are available.
160 */
161 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
162 "support - use credential as-is");
163 return;
164 }
165
166 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
167 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
168 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
169 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
170 "based on scan results");
171 if (wpa_s->conf->ap_scan == 1)
172 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
173 else
174 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
175 }
176
177 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
178 (ssid->proto & WPA_PROTO_WPA) &&
179 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
180 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
181 "based on scan results");
182 if (wpa_s->conf->ap_scan == 1)
183 ssid->proto |= WPA_PROTO_RSN;
184 else
185 ssid->proto = WPA_PROTO_RSN;
186 }
187 }
188
189
190 static int wpa_supplicant_wps_cred(void *ctx,
191 const struct wps_credential *cred)
192 {
193 struct wpa_supplicant *wpa_s = ctx;
194 struct wpa_ssid *ssid = wpa_s->current_ssid;
195 u8 key_idx = 0;
196 u16 auth_type;
197 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
198 int registrar = 0;
199 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
200
201 if ((wpa_s->conf->wps_cred_processing == 1 ||
202 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
203 size_t blen = cred->cred_attr_len * 2 + 1;
204 char *buf = os_malloc(blen);
205 if (buf) {
206 wpa_snprintf_hex(buf, blen,
207 cred->cred_attr, cred->cred_attr_len);
208 wpa_msg(wpa_s, MSG_INFO, "%s%s",
209 WPS_EVENT_CRED_RECEIVED, buf);
210 os_free(buf);
211 }
212
213 wpas_notify_wps_credential(wpa_s, cred);
214 } else
215 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
216
217 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
218 cred->cred_attr, cred->cred_attr_len);
219
220 if (wpa_s->conf->wps_cred_processing == 1)
221 return 0;
222
223 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
224 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
225 cred->auth_type);
226 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
227 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
228 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
229 cred->key, cred->key_len);
230 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
231 MAC2STR(cred->mac_addr));
232
233 auth_type = cred->auth_type;
234 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
235 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
236 "auth_type into WPA2PSK");
237 auth_type = WPS_AUTH_WPA2PSK;
238 }
239
240 if (auth_type != WPS_AUTH_OPEN &&
241 auth_type != WPS_AUTH_SHARED &&
242 auth_type != WPS_AUTH_WPAPSK &&
243 auth_type != WPS_AUTH_WPA2PSK) {
244 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
245 "unsupported authentication type 0x%x",
246 auth_type);
247 return 0;
248 }
249
250 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
251 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
252 "on the received credential");
253 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
254 if (ssid->eap.identity &&
255 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
256 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
257 WSC_ID_REGISTRAR_LEN) == 0)
258 registrar = 1;
259 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
260 os_free(ssid->eap.identity);
261 ssid->eap.identity = NULL;
262 ssid->eap.identity_len = 0;
263 os_free(ssid->eap.phase1);
264 ssid->eap.phase1 = NULL;
265 os_free(ssid->eap.eap_methods);
266 ssid->eap.eap_methods = NULL;
267 if (!ssid->p2p_group)
268 ssid->temporary = 0;
269 } else {
270 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
271 "received credential");
272 ssid = wpa_config_add_network(wpa_s->conf);
273 if (ssid == NULL)
274 return -1;
275 wpas_notify_network_added(wpa_s, ssid);
276 }
277
278 wpa_config_set_network_defaults(ssid);
279
280 os_free(ssid->ssid);
281 ssid->ssid = os_malloc(cred->ssid_len);
282 if (ssid->ssid) {
283 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
284 ssid->ssid_len = cred->ssid_len;
285 }
286
287 switch (cred->encr_type) {
288 case WPS_ENCR_NONE:
289 break;
290 case WPS_ENCR_WEP:
291 if (cred->key_len <= 0)
292 break;
293 if (cred->key_len != 5 && cred->key_len != 13 &&
294 cred->key_len != 10 && cred->key_len != 26) {
295 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
296 "%lu", (unsigned long) cred->key_len);
297 return -1;
298 }
299 if (cred->key_idx > NUM_WEP_KEYS) {
300 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
301 cred->key_idx);
302 return -1;
303 }
304 if (cred->key_idx)
305 key_idx = cred->key_idx - 1;
306 if (cred->key_len == 10 || cred->key_len == 26) {
307 if (hexstr2bin((char *) cred->key,
308 ssid->wep_key[key_idx],
309 cred->key_len / 2) < 0) {
310 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
311 "%d", key_idx);
312 return -1;
313 }
314 ssid->wep_key_len[key_idx] = cred->key_len / 2;
315 } else {
316 os_memcpy(ssid->wep_key[key_idx], cred->key,
317 cred->key_len);
318 ssid->wep_key_len[key_idx] = cred->key_len;
319 }
320 ssid->wep_tx_keyidx = key_idx;
321 break;
322 case WPS_ENCR_TKIP:
323 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
324 break;
325 case WPS_ENCR_AES:
326 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
327 break;
328 }
329
330 switch (auth_type) {
331 case WPS_AUTH_OPEN:
332 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
333 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
334 ssid->proto = 0;
335 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
336 if (registrar) {
337 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
338 "id=%d - Credentials for an open "
339 "network disabled by default - use "
340 "'select_network %d' to enable",
341 ssid->id, ssid->id);
342 ssid->disabled = 1;
343 }
344 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
345 break;
346 case WPS_AUTH_SHARED:
347 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
348 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
349 ssid->proto = 0;
350 break;
351 case WPS_AUTH_WPAPSK:
352 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
353 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
354 ssid->proto = WPA_PROTO_WPA;
355 break;
356 case WPS_AUTH_WPA:
357 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
358 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
359 ssid->proto = WPA_PROTO_WPA;
360 break;
361 case WPS_AUTH_WPA2:
362 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
363 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
364 ssid->proto = WPA_PROTO_RSN;
365 break;
366 case WPS_AUTH_WPA2PSK:
367 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
368 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
369 ssid->proto = WPA_PROTO_RSN;
370 break;
371 }
372
373 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
374 if (cred->key_len == 2 * PMK_LEN) {
375 if (hexstr2bin((const char *) cred->key, ssid->psk,
376 PMK_LEN)) {
377 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
378 "Key");
379 return -1;
380 }
381 ssid->psk_set = 1;
382 ssid->export_keys = 1;
383 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
384 os_free(ssid->passphrase);
385 ssid->passphrase = os_malloc(cred->key_len + 1);
386 if (ssid->passphrase == NULL)
387 return -1;
388 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
389 ssid->passphrase[cred->key_len] = '\0';
390 wpa_config_update_psk(ssid);
391 ssid->export_keys = 1;
392 } else {
393 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
394 "length %lu",
395 (unsigned long) cred->key_len);
396 return -1;
397 }
398 }
399
400 wpas_wps_security_workaround(wpa_s, ssid, cred);
401
402 #ifndef CONFIG_NO_CONFIG_WRITE
403 if (wpa_s->conf->update_config &&
404 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
405 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
406 return -1;
407 }
408 #endif /* CONFIG_NO_CONFIG_WRITE */
409
410 return 0;
411 }
412
413
414 #ifdef CONFIG_P2P
415 static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
416 {
417 struct wpa_supplicant *wpa_s = eloop_ctx;
418 wpas_p2p_notif_pbc_overlap(wpa_s);
419 }
420 #endif /* CONFIG_P2P */
421
422
423 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
424 struct wps_event_m2d *m2d)
425 {
426 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
427 "dev_password_id=%d config_error=%d",
428 m2d->dev_password_id, m2d->config_error);
429 wpas_notify_wps_event_m2d(wpa_s, m2d);
430 #ifdef CONFIG_P2P
431 if (wpa_s->parent && wpa_s->parent != wpa_s) {
432 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
433 "dev_password_id=%d config_error=%d",
434 m2d->dev_password_id, m2d->config_error);
435 }
436 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
437 /*
438 * Notify P2P from eloop timeout to avoid issues with the
439 * interface getting removed while processing a message.
440 */
441 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
442 NULL);
443 }
444 #endif /* CONFIG_P2P */
445 }
446
447
448 static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
449 "No Error", /* WPS_EI_NO_ERROR */
450 "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
451 "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
452 };
453
454 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
455 struct wps_event_fail *fail)
456 {
457 if (fail->error_indication > 0 &&
458 fail->error_indication < NUM_WPS_EI_VALUES) {
459 wpa_msg(wpa_s, MSG_INFO,
460 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
461 fail->msg, fail->config_error, fail->error_indication,
462 wps_event_fail_reason[fail->error_indication]);
463 if (wpa_s->parent && wpa_s->parent != wpa_s)
464 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
465 "msg=%d config_error=%d reason=%d (%s)",
466 fail->msg, fail->config_error,
467 fail->error_indication,
468 wps_event_fail_reason[fail->error_indication]);
469 } else {
470 wpa_msg(wpa_s, MSG_INFO,
471 WPS_EVENT_FAIL "msg=%d config_error=%d",
472 fail->msg, fail->config_error);
473 if (wpa_s->parent && wpa_s->parent != wpa_s)
474 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
475 "msg=%d config_error=%d",
476 fail->msg, fail->config_error);
477 }
478 wpas_clear_wps(wpa_s);
479 wpas_notify_wps_event_fail(wpa_s, fail);
480 #ifdef CONFIG_P2P
481 wpas_p2p_wps_failed(wpa_s, fail);
482 #endif /* CONFIG_P2P */
483 }
484
485
486 static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
487 {
488 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
489 wpa_s->wps_success = 1;
490 wpas_notify_wps_event_success(wpa_s);
491 #ifdef CONFIG_P2P
492 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
493 #endif /* CONFIG_P2P */
494 }
495
496
497 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
498 struct wps_event_er_ap *ap)
499 {
500 char uuid_str[100];
501 char dev_type[WPS_DEV_TYPE_BUFSIZE];
502
503 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
504 if (ap->pri_dev_type)
505 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
506 sizeof(dev_type));
507 else
508 dev_type[0] = '\0';
509
510 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
511 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
512 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
513 ap->friendly_name ? ap->friendly_name : "",
514 ap->manufacturer ? ap->manufacturer : "",
515 ap->model_description ? ap->model_description : "",
516 ap->model_name ? ap->model_name : "",
517 ap->manufacturer_url ? ap->manufacturer_url : "",
518 ap->model_url ? ap->model_url : "");
519 }
520
521
522 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
523 struct wps_event_er_ap *ap)
524 {
525 char uuid_str[100];
526 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
527 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
528 }
529
530
531 static void wpa_supplicant_wps_event_er_enrollee_add(
532 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
533 {
534 char uuid_str[100];
535 char dev_type[WPS_DEV_TYPE_BUFSIZE];
536
537 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
538 if (enrollee->pri_dev_type)
539 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
540 sizeof(dev_type));
541 else
542 dev_type[0] = '\0';
543
544 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
545 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
546 "|%s|%s|%s|%s|%s|",
547 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
548 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
549 enrollee->dev_name ? enrollee->dev_name : "",
550 enrollee->manufacturer ? enrollee->manufacturer : "",
551 enrollee->model_name ? enrollee->model_name : "",
552 enrollee->model_number ? enrollee->model_number : "",
553 enrollee->serial_number ? enrollee->serial_number : "");
554 }
555
556
557 static void wpa_supplicant_wps_event_er_enrollee_remove(
558 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
559 {
560 char uuid_str[100];
561 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
562 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
563 uuid_str, MAC2STR(enrollee->mac_addr));
564 }
565
566
567 static void wpa_supplicant_wps_event_er_ap_settings(
568 struct wpa_supplicant *wpa_s,
569 struct wps_event_er_ap_settings *ap_settings)
570 {
571 char uuid_str[100];
572 char key_str[65];
573 const struct wps_credential *cred = ap_settings->cred;
574
575 key_str[0] = '\0';
576 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
577 if (cred->key_len >= 8 && cred->key_len <= 64) {
578 os_memcpy(key_str, cred->key, cred->key_len);
579 key_str[cred->key_len] = '\0';
580 }
581 }
582
583 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
584 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
585 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
586 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
587 "key=%s",
588 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
589 cred->auth_type, cred->encr_type, key_str);
590 }
591
592
593 static void wpa_supplicant_wps_event_er_set_sel_reg(
594 struct wpa_supplicant *wpa_s,
595 struct wps_event_er_set_selected_registrar *ev)
596 {
597 char uuid_str[100];
598
599 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
600 switch (ev->state) {
601 case WPS_ER_SET_SEL_REG_START:
602 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
603 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
604 "sel_reg_config_methods=0x%x",
605 uuid_str, ev->sel_reg, ev->dev_passwd_id,
606 ev->sel_reg_config_methods);
607 break;
608 case WPS_ER_SET_SEL_REG_DONE:
609 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
610 "uuid=%s state=DONE", uuid_str);
611 break;
612 case WPS_ER_SET_SEL_REG_FAILED:
613 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
614 "uuid=%s state=FAILED", uuid_str);
615 break;
616 }
617 }
618
619
620 static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
621 union wps_event_data *data)
622 {
623 struct wpa_supplicant *wpa_s = ctx;
624 switch (event) {
625 case WPS_EV_M2D:
626 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
627 break;
628 case WPS_EV_FAIL:
629 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
630 break;
631 case WPS_EV_SUCCESS:
632 wpa_supplicant_wps_event_success(wpa_s);
633 break;
634 case WPS_EV_PWD_AUTH_FAIL:
635 #ifdef CONFIG_AP
636 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
637 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
638 #endif /* CONFIG_AP */
639 break;
640 case WPS_EV_PBC_OVERLAP:
641 break;
642 case WPS_EV_PBC_TIMEOUT:
643 break;
644 case WPS_EV_ER_AP_ADD:
645 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
646 break;
647 case WPS_EV_ER_AP_REMOVE:
648 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
649 break;
650 case WPS_EV_ER_ENROLLEE_ADD:
651 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
652 &data->enrollee);
653 break;
654 case WPS_EV_ER_ENROLLEE_REMOVE:
655 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
656 &data->enrollee);
657 break;
658 case WPS_EV_ER_AP_SETTINGS:
659 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
660 &data->ap_settings);
661 break;
662 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
663 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
664 &data->set_sel_reg);
665 break;
666 }
667 }
668
669
670 enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
671 {
672 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
673 eap_is_wps_pin_enrollee(&ssid->eap))
674 return WPS_REQ_ENROLLEE;
675 else
676 return WPS_REQ_REGISTRAR;
677 }
678
679
680 static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
681 {
682 int id;
683 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
684
685 prev_current = wpa_s->current_ssid;
686
687 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
688
689 /* Remove any existing WPS network from configuration */
690 ssid = wpa_s->conf->ssid;
691 while (ssid) {
692 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
693 if (ssid == wpa_s->current_ssid) {
694 wpa_s->current_ssid = NULL;
695 if (ssid != NULL)
696 wpas_notify_network_changed(wpa_s);
697 }
698 id = ssid->id;
699 remove_ssid = ssid;
700 } else
701 id = -1;
702 ssid = ssid->next;
703 if (id >= 0) {
704 if (prev_current == remove_ssid) {
705 wpa_sm_set_config(wpa_s->wpa, NULL);
706 eapol_sm_notify_config(wpa_s->eapol, NULL,
707 NULL);
708 }
709 wpas_notify_network_removed(wpa_s, remove_ssid);
710 wpa_config_remove_network(wpa_s->conf, id);
711 }
712 }
713 }
714
715
716 static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
717 {
718 struct wpa_supplicant *wpa_s = eloop_ctx;
719 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
720 "out");
721 wpas_clear_wps(wpa_s);
722 }
723
724
725 static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
726 int registrar, const u8 *bssid)
727 {
728 struct wpa_ssid *ssid;
729
730 ssid = wpa_config_add_network(wpa_s->conf);
731 if (ssid == NULL)
732 return NULL;
733 wpas_notify_network_added(wpa_s, ssid);
734 wpa_config_set_network_defaults(ssid);
735 ssid->temporary = 1;
736 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
737 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
738 wpa_config_set(ssid, "identity", registrar ?
739 "\"" WSC_ID_REGISTRAR "\"" :
740 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
741 wpas_notify_network_removed(wpa_s, ssid);
742 wpa_config_remove_network(wpa_s->conf, ssid->id);
743 return NULL;
744 }
745
746 if (bssid) {
747 #ifndef CONFIG_P2P
748 struct wpa_bss *bss;
749 int count = 0;
750 #endif /* CONFIG_P2P */
751
752 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
753 ssid->bssid_set = 1;
754
755 /*
756 * Note: With P2P, the SSID may change at the time the WPS
757 * provisioning is started, so better not filter the AP based
758 * on the current SSID in the scan results.
759 */
760 #ifndef CONFIG_P2P
761 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
762 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
763 continue;
764
765 os_free(ssid->ssid);
766 ssid->ssid = os_malloc(bss->ssid_len);
767 if (ssid->ssid == NULL)
768 break;
769 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
770 ssid->ssid_len = bss->ssid_len;
771 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
772 "scan results",
773 ssid->ssid, ssid->ssid_len);
774 count++;
775 }
776
777 if (count > 1) {
778 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
779 "for the AP; use wildcard");
780 os_free(ssid->ssid);
781 ssid->ssid = NULL;
782 ssid->ssid_len = 0;
783 }
784 #endif /* CONFIG_P2P */
785 }
786
787 return ssid;
788 }
789
790
791 static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
792 struct wpa_ssid *selected)
793 {
794 struct wpa_ssid *ssid;
795
796 /* Mark all other networks disabled and trigger reassociation */
797 ssid = wpa_s->conf->ssid;
798 while (ssid) {
799 int was_disabled = ssid->disabled;
800 /*
801 * In case the network object corresponds to a persistent group
802 * then do not send out network disabled signal. In addition,
803 * do not change disabled status of persistent network objects
804 * from 2 to 1 should we connect to another network.
805 */
806 if (was_disabled != 2) {
807 ssid->disabled = ssid != selected;
808 if (was_disabled != ssid->disabled)
809 wpas_notify_network_enabled_changed(wpa_s,
810 ssid);
811 }
812 ssid = ssid->next;
813 }
814 wpa_s->disconnected = 0;
815 wpa_s->reassociate = 1;
816 wpa_s->scan_runs = 0;
817 wpa_s->wps_success = 0;
818 wpa_s->blacklist_cleared = 0;
819 wpa_supplicant_req_scan(wpa_s, 0, 0);
820 }
821
822
823 int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
824 int p2p_group)
825 {
826 struct wpa_ssid *ssid;
827 wpas_clear_wps(wpa_s);
828 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
829 if (ssid == NULL)
830 return -1;
831 ssid->temporary = 1;
832 ssid->p2p_group = p2p_group;
833 #ifdef CONFIG_P2P
834 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
835 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
836 if (ssid->ssid) {
837 ssid->ssid_len = wpa_s->go_params->ssid_len;
838 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
839 ssid->ssid_len);
840 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
841 "SSID", ssid->ssid, ssid->ssid_len);
842 }
843 }
844 #endif /* CONFIG_P2P */
845 wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
846 if (wpa_s->wps_fragment_size)
847 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
848 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
849 wpa_s, NULL);
850 wpas_wps_reassoc(wpa_s, ssid);
851 return 0;
852 }
853
854
855 int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
856 const char *pin, int p2p_group, u16 dev_pw_id)
857 {
858 struct wpa_ssid *ssid;
859 char val[128];
860 unsigned int rpin = 0;
861
862 wpas_clear_wps(wpa_s);
863 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
864 if (ssid == NULL)
865 return -1;
866 ssid->temporary = 1;
867 ssid->p2p_group = p2p_group;
868 #ifdef CONFIG_P2P
869 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
870 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
871 if (ssid->ssid) {
872 ssid->ssid_len = wpa_s->go_params->ssid_len;
873 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
874 ssid->ssid_len);
875 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
876 "SSID", ssid->ssid, ssid->ssid_len);
877 }
878 }
879 #endif /* CONFIG_P2P */
880 if (pin)
881 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
882 pin, dev_pw_id);
883 else {
884 rpin = wps_generate_pin();
885 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
886 rpin, dev_pw_id);
887 }
888 wpa_config_set(ssid, "phase1", val, 0);
889 if (wpa_s->wps_fragment_size)
890 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
891 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
892 wpa_s, NULL);
893 wpas_wps_reassoc(wpa_s, ssid);
894 return rpin;
895 }
896
897
898 /* Cancel the wps pbc/pin requests */
899 int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
900 {
901 #ifdef CONFIG_AP
902 if (wpa_s->ap_iface) {
903 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
904 return wpa_supplicant_ap_wps_cancel(wpa_s);
905 }
906 #endif /* CONFIG_AP */
907
908 if (wpa_s->wpa_state == WPA_SCANNING) {
909 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
910 wpa_supplicant_cancel_scan(wpa_s);
911 wpas_clear_wps(wpa_s);
912 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
913 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
914 "deauthenticate");
915 wpa_supplicant_deauthenticate(wpa_s,
916 WLAN_REASON_DEAUTH_LEAVING);
917 wpas_clear_wps(wpa_s);
918 }
919
920 return 0;
921 }
922
923
924 #ifdef CONFIG_WPS_OOB
925 int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
926 char *path, char *method, char *name)
927 {
928 struct wps_context *wps = wpa_s->wps;
929 struct oob_device_data *oob_dev;
930
931 oob_dev = wps_get_oob_device(device_type);
932 if (oob_dev == NULL)
933 return -1;
934 oob_dev->device_path = path;
935 oob_dev->device_name = name;
936 wps->oob_conf.oob_method = wps_get_oob_method(method);
937
938 if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
939 /*
940 * Use pre-configured DH keys in order to be able to write the
941 * key hash into the OOB file.
942 */
943 wpabuf_free(wps->dh_pubkey);
944 wpabuf_free(wps->dh_privkey);
945 wps->dh_privkey = NULL;
946 wps->dh_pubkey = NULL;
947 dh5_free(wps->dh_ctx);
948 wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
949 wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
950 if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
951 wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
952 "Diffie-Hellman handshake");
953 return -1;
954 }
955 }
956
957 if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
958 wpas_clear_wps(wpa_s);
959
960 if (wps_process_oob(wps, oob_dev, 0) < 0)
961 return -1;
962
963 if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
964 wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
965 wpas_wps_start_pin(wpa_s, NULL,
966 wpabuf_head(wps->oob_conf.dev_password), 0,
967 DEV_PW_DEFAULT) < 0)
968 return -1;
969
970 return 0;
971 }
972 #endif /* CONFIG_WPS_OOB */
973
974
975 int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
976 const char *pin, struct wps_new_ap_settings *settings)
977 {
978 struct wpa_ssid *ssid;
979 char val[200];
980 char *pos, *end;
981 int res;
982
983 if (!pin)
984 return -1;
985 wpas_clear_wps(wpa_s);
986 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
987 if (ssid == NULL)
988 return -1;
989 ssid->temporary = 1;
990 pos = val;
991 end = pos + sizeof(val);
992 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
993 if (res < 0 || res >= end - pos)
994 return -1;
995 pos += res;
996 if (settings) {
997 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
998 "new_encr=%s new_key=%s",
999 settings->ssid_hex, settings->auth,
1000 settings->encr, settings->key_hex);
1001 if (res < 0 || res >= end - pos)
1002 return -1;
1003 pos += res;
1004 }
1005 res = os_snprintf(pos, end - pos, "\"");
1006 if (res < 0 || res >= end - pos)
1007 return -1;
1008 wpa_config_set(ssid, "phase1", val, 0);
1009 if (wpa_s->wps_fragment_size)
1010 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
1011 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1012 wpa_s, NULL);
1013 wpas_wps_reassoc(wpa_s, ssid);
1014 return 0;
1015 }
1016
1017
1018 static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
1019 size_t psk_len)
1020 {
1021 wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
1022 "STA " MACSTR, MAC2STR(mac_addr));
1023 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1024
1025 /* TODO */
1026
1027 return 0;
1028 }
1029
1030
1031 static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1032 const struct wps_device_data *dev)
1033 {
1034 char uuid[40], txt[400];
1035 int len;
1036 char devtype[WPS_DEV_TYPE_BUFSIZE];
1037 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1038 return;
1039 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1040 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1041 " [%s|%s|%s|%s|%s|%s]",
1042 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1043 dev->manufacturer, dev->model_name,
1044 dev->model_number, dev->serial_number,
1045 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1046 sizeof(devtype)));
1047 if (len > 0 && len < (int) sizeof(txt))
1048 wpa_printf(MSG_INFO, "%s", txt);
1049 }
1050
1051
1052 static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1053 u16 sel_reg_config_methods)
1054 {
1055 #ifdef CONFIG_WPS_ER
1056 struct wpa_supplicant *wpa_s = ctx;
1057
1058 if (wpa_s->wps_er == NULL)
1059 return;
1060 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1061 "dev_password_id=%u sel_reg_config_methods=0x%x",
1062 sel_reg, dev_passwd_id, sel_reg_config_methods);
1063 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1064 sel_reg_config_methods);
1065 #endif /* CONFIG_WPS_ER */
1066 }
1067
1068
1069 static u16 wps_fix_config_methods(u16 config_methods)
1070 {
1071 #ifdef CONFIG_WPS2
1072 if ((config_methods &
1073 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1074 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1075 wpa_printf(MSG_INFO, "WPS: Converting display to "
1076 "virtual_display for WPS 2.0 compliance");
1077 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1078 }
1079 if ((config_methods &
1080 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1081 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1082 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1083 "virtual_push_button for WPS 2.0 compliance");
1084 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1085 }
1086 #endif /* CONFIG_WPS2 */
1087
1088 return config_methods;
1089 }
1090
1091
1092 static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1093 struct wps_context *wps)
1094 {
1095 wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
1096 if (is_nil_uuid(wpa_s->conf->uuid)) {
1097 struct wpa_supplicant *first;
1098 first = wpa_s->global->ifaces;
1099 while (first && first->next)
1100 first = first->next;
1101 if (first && first != wpa_s) {
1102 os_memcpy(wps->uuid, wpa_s->global->ifaces->wps->uuid,
1103 WPS_UUID_LEN);
1104 wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
1105 "interface", wps->uuid, WPS_UUID_LEN);
1106 } else {
1107 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
1108 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1109 "address", wps->uuid, WPS_UUID_LEN);
1110 }
1111 } else {
1112 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
1113 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
1114 wps->uuid, WPS_UUID_LEN);
1115 }
1116 }
1117
1118
1119 int wpas_wps_init(struct wpa_supplicant *wpa_s)
1120 {
1121 struct wps_context *wps;
1122 struct wps_registrar_config rcfg;
1123 struct hostapd_hw_modes *modes;
1124 u16 m;
1125
1126 wps = os_zalloc(sizeof(*wps));
1127 if (wps == NULL)
1128 return -1;
1129
1130 wps->cred_cb = wpa_supplicant_wps_cred;
1131 wps->event_cb = wpa_supplicant_wps_event;
1132 wps->cb_ctx = wpa_s;
1133
1134 wps->dev.device_name = wpa_s->conf->device_name;
1135 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1136 wps->dev.model_name = wpa_s->conf->model_name;
1137 wps->dev.model_number = wpa_s->conf->model_number;
1138 wps->dev.serial_number = wpa_s->conf->serial_number;
1139 wps->config_methods =
1140 wps_config_methods_str2bin(wpa_s->conf->config_methods);
1141 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1142 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1143 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1144 "methods are not allowed at the same time");
1145 os_free(wps);
1146 return -1;
1147 }
1148 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1149 wps->dev.config_methods = wps->config_methods;
1150 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1151 WPS_DEV_TYPE_LEN);
1152
1153 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1154 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1155 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
1156
1157 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1158 modes = wpa_s->hw.modes;
1159 if (modes) {
1160 for (m = 0; m < wpa_s->hw.num_modes; m++) {
1161 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1162 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1163 wps->dev.rf_bands |= WPS_RF_24GHZ;
1164 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1165 wps->dev.rf_bands |= WPS_RF_50GHZ;
1166 }
1167 }
1168 if (wps->dev.rf_bands == 0) {
1169 /*
1170 * Default to claiming support for both bands if the driver
1171 * does not provide support for fetching supported bands.
1172 */
1173 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1174 }
1175 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
1176 wpas_wps_set_uuid(wpa_s, wps);
1177
1178 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1179 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1180
1181 os_memset(&rcfg, 0, sizeof(rcfg));
1182 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1183 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
1184 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
1185 rcfg.cb_ctx = wpa_s;
1186
1187 wps->registrar = wps_registrar_init(wps, &rcfg);
1188 if (wps->registrar == NULL) {
1189 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1190 os_free(wps);
1191 return -1;
1192 }
1193
1194 wpa_s->wps = wps;
1195
1196 return 0;
1197 }
1198
1199
1200 void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1201 {
1202 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
1203
1204 if (wpa_s->wps == NULL)
1205 return;
1206
1207 #ifdef CONFIG_WPS_ER
1208 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1209 wpa_s->wps_er = NULL;
1210 #endif /* CONFIG_WPS_ER */
1211
1212 wps_registrar_deinit(wpa_s->wps->registrar);
1213 wpabuf_free(wpa_s->wps->dh_pubkey);
1214 wpabuf_free(wpa_s->wps->dh_privkey);
1215 wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
1216 wpabuf_free(wpa_s->wps->oob_conf.dev_password);
1217 os_free(wpa_s->wps->network_key);
1218 os_free(wpa_s->wps);
1219 wpa_s->wps = NULL;
1220 }
1221
1222
1223 int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
1224 struct wpa_ssid *ssid, struct wpa_scan_res *bss)
1225 {
1226 struct wpabuf *wps_ie;
1227
1228 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1229 return -1;
1230
1231 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1232 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1233 if (!wps_ie) {
1234 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1235 return 0;
1236 }
1237
1238 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1239 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1240 "without active PBC Registrar");
1241 wpabuf_free(wps_ie);
1242 return 0;
1243 }
1244
1245 /* TODO: overlap detection */
1246 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1247 "(Active PBC)");
1248 wpabuf_free(wps_ie);
1249 return 1;
1250 }
1251
1252 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1253 if (!wps_ie) {
1254 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1255 return 0;
1256 }
1257
1258 /*
1259 * Start with WPS APs that advertise our address as an
1260 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1261 * allow any WPS AP after couple of scans since some APs do not
1262 * set Selected Registrar attribute properly when using
1263 * external Registrar.
1264 */
1265 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
1266 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1267 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1268 "without active PIN Registrar");
1269 wpabuf_free(wps_ie);
1270 return 0;
1271 }
1272 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1273 } else {
1274 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1275 "(Authorized MAC or Active PIN)");
1276 }
1277 wpabuf_free(wps_ie);
1278 return 1;
1279 }
1280
1281 if (wps_ie) {
1282 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1283 wpabuf_free(wps_ie);
1284 return 1;
1285 }
1286
1287 return -1;
1288 }
1289
1290
1291 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1292 struct wpa_ssid *ssid,
1293 struct wpa_scan_res *bss)
1294 {
1295 struct wpabuf *wps_ie = NULL;
1296 int ret = 0;
1297
1298 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1299 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1300 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1301 /* allow wildcard SSID for WPS PBC */
1302 ret = 1;
1303 }
1304 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1305 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1306 if (wps_ie &&
1307 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
1308 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
1309 /* allow wildcard SSID for WPS PIN */
1310 ret = 1;
1311 }
1312 }
1313
1314 if (!ret && ssid->bssid_set &&
1315 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1316 /* allow wildcard SSID due to hardcoded BSSID match */
1317 ret = 1;
1318 }
1319
1320 #ifdef CONFIG_WPS_STRICT
1321 if (wps_ie) {
1322 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1323 0, bss->bssid) < 0)
1324 ret = 0;
1325 if (bss->beacon_ie_len) {
1326 struct wpabuf *bcn_wps;
1327 bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
1328 bss, WPS_IE_VENDOR_TYPE);
1329 if (bcn_wps == NULL) {
1330 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1331 "missing from AP Beacon");
1332 ret = 0;
1333 } else {
1334 if (wps_validate_beacon(wps_ie) < 0)
1335 ret = 0;
1336 wpabuf_free(bcn_wps);
1337 }
1338 }
1339 }
1340 #endif /* CONFIG_WPS_STRICT */
1341
1342 wpabuf_free(wps_ie);
1343
1344 return ret;
1345 }
1346
1347
1348 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
1349 struct wpa_bss *selected, struct wpa_ssid *ssid)
1350 {
1351 const u8 *sel_uuid, *uuid;
1352 struct wpabuf *wps_ie;
1353 int ret = 0;
1354 struct wpa_bss *bss;
1355
1356 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1357 return 0;
1358
1359 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1360 "present in scan results; selected BSSID " MACSTR,
1361 MAC2STR(selected->bssid));
1362
1363 /* Make sure that only one AP is in active PBC mode */
1364 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
1365 if (wps_ie) {
1366 sel_uuid = wps_get_uuid_e(wps_ie);
1367 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1368 sel_uuid, UUID_LEN);
1369 } else {
1370 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1371 "WPS IE?!");
1372 sel_uuid = NULL;
1373 }
1374
1375 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1376 struct wpabuf *ie;
1377 if (bss == selected)
1378 continue;
1379 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1380 if (!ie)
1381 continue;
1382 if (!wps_is_selected_pbc_registrar(ie)) {
1383 wpabuf_free(ie);
1384 continue;
1385 }
1386 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1387 MACSTR, MAC2STR(bss->bssid));
1388 uuid = wps_get_uuid_e(ie);
1389 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1390 uuid, UUID_LEN);
1391 if (sel_uuid == NULL || uuid == NULL ||
1392 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
1393 ret = 1; /* PBC overlap */
1394 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1395 MACSTR " and " MACSTR,
1396 MAC2STR(selected->bssid),
1397 MAC2STR(bss->bssid));
1398 wpabuf_free(ie);
1399 break;
1400 }
1401
1402 /* TODO: verify that this is reasonable dual-band situation */
1403
1404 wpabuf_free(ie);
1405 }
1406
1407 wpabuf_free(wps_ie);
1408
1409 return ret;
1410 }
1411
1412
1413 void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1414 {
1415 struct wpa_bss *bss;
1416 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
1417
1418 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1419 return;
1420
1421 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1422 struct wpabuf *ie;
1423 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1424 if (!ie)
1425 continue;
1426 if (wps_is_selected_pbc_registrar(ie))
1427 pbc++;
1428 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1429 auth++;
1430 else if (wps_is_selected_pin_registrar(ie))
1431 pin++;
1432 else
1433 wps++;
1434 wpabuf_free(ie);
1435 }
1436
1437 if (pbc)
1438 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1439 else if (auth)
1440 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1441 else if (pin)
1442 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1443 else if (wps)
1444 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
1445 }
1446
1447
1448 int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1449 {
1450 struct wpa_ssid *ssid;
1451
1452 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1453 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1454 return 1;
1455 }
1456
1457 return 0;
1458 }
1459
1460
1461 int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1462 char *end)
1463 {
1464 struct wpabuf *wps_ie;
1465 int ret;
1466
1467 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1468 if (wps_ie == NULL)
1469 return 0;
1470
1471 ret = wps_attr_text(wps_ie, buf, end);
1472 wpabuf_free(wps_ie);
1473 return ret;
1474 }
1475
1476
1477 int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
1478 {
1479 #ifdef CONFIG_WPS_ER
1480 if (wpa_s->wps_er) {
1481 wps_er_refresh(wpa_s->wps_er);
1482 return 0;
1483 }
1484 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
1485 if (wpa_s->wps_er == NULL)
1486 return -1;
1487 return 0;
1488 #else /* CONFIG_WPS_ER */
1489 return 0;
1490 #endif /* CONFIG_WPS_ER */
1491 }
1492
1493
1494 int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1495 {
1496 #ifdef CONFIG_WPS_ER
1497 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
1498 wpa_s->wps_er = NULL;
1499 #endif /* CONFIG_WPS_ER */
1500 return 0;
1501 }
1502
1503
1504 #ifdef CONFIG_WPS_ER
1505 int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1506 const char *uuid, const char *pin)
1507 {
1508 u8 u[UUID_LEN];
1509 int any = 0;
1510
1511 if (os_strcmp(uuid, "any") == 0)
1512 any = 1;
1513 else if (uuid_str2bin(uuid, u))
1514 return -1;
1515 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1516 any ? NULL : u,
1517 (const u8 *) pin, os_strlen(pin), 300);
1518 }
1519
1520
1521 int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1522 {
1523 u8 u[UUID_LEN];
1524
1525 if (uuid_str2bin(uuid, u))
1526 return -1;
1527 return wps_er_pbc(wpa_s->wps_er, u);
1528 }
1529
1530
1531 int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1532 const char *pin)
1533 {
1534 u8 u[UUID_LEN];
1535
1536 if (uuid_str2bin(uuid, u))
1537 return -1;
1538 return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
1539 os_strlen(pin));
1540 }
1541
1542
1543 int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1544 int id)
1545 {
1546 u8 u[UUID_LEN];
1547 struct wpa_ssid *ssid;
1548 struct wps_credential cred;
1549
1550 if (uuid_str2bin(uuid, u))
1551 return -1;
1552 ssid = wpa_config_get_network(wpa_s->conf, id);
1553 if (ssid == NULL || ssid->ssid == NULL)
1554 return -1;
1555
1556 os_memset(&cred, 0, sizeof(cred));
1557 if (ssid->ssid_len > 32)
1558 return -1;
1559 os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
1560 cred.ssid_len = ssid->ssid_len;
1561 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1562 cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1563 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1564 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1565 cred.encr_type = WPS_ENCR_AES;
1566 else
1567 cred.encr_type = WPS_ENCR_TKIP;
1568 if (ssid->passphrase) {
1569 cred.key_len = os_strlen(ssid->passphrase);
1570 if (cred.key_len >= 64)
1571 return -1;
1572 os_memcpy(cred.key, ssid->passphrase, cred.key_len);
1573 } else if (ssid->psk_set) {
1574 cred.key_len = 32;
1575 os_memcpy(cred.key, ssid->psk, 32);
1576 } else
1577 return -1;
1578 } else {
1579 cred.auth_type = WPS_AUTH_OPEN;
1580 cred.encr_type = WPS_ENCR_NONE;
1581 }
1582 return wps_er_set_config(wpa_s->wps_er, u, &cred);
1583 }
1584
1585
1586 int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1587 const char *pin, struct wps_new_ap_settings *settings)
1588 {
1589 u8 u[UUID_LEN];
1590 struct wps_credential cred;
1591 size_t len;
1592
1593 if (uuid_str2bin(uuid, u))
1594 return -1;
1595 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1596 settings->encr == NULL || settings->key_hex == NULL)
1597 return -1;
1598
1599 os_memset(&cred, 0, sizeof(cred));
1600 len = os_strlen(settings->ssid_hex);
1601 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1602 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1603 return -1;
1604 cred.ssid_len = len / 2;
1605
1606 len = os_strlen(settings->key_hex);
1607 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1608 hexstr2bin(settings->key_hex, cred.key, len / 2))
1609 return -1;
1610 cred.key_len = len / 2;
1611
1612 if (os_strcmp(settings->auth, "OPEN") == 0)
1613 cred.auth_type = WPS_AUTH_OPEN;
1614 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1615 cred.auth_type = WPS_AUTH_WPAPSK;
1616 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1617 cred.auth_type = WPS_AUTH_WPA2PSK;
1618 else
1619 return -1;
1620
1621 if (os_strcmp(settings->encr, "NONE") == 0)
1622 cred.encr_type = WPS_ENCR_NONE;
1623 else if (os_strcmp(settings->encr, "WEP") == 0)
1624 cred.encr_type = WPS_ENCR_WEP;
1625 else if (os_strcmp(settings->encr, "TKIP") == 0)
1626 cred.encr_type = WPS_ENCR_TKIP;
1627 else if (os_strcmp(settings->encr, "CCMP") == 0)
1628 cred.encr_type = WPS_ENCR_AES;
1629 else
1630 return -1;
1631
1632 return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
1633 os_strlen(pin), &cred);
1634 }
1635
1636
1637 static int callbacks_pending = 0;
1638
1639 static void wpas_wps_terminate_cb(void *ctx)
1640 {
1641 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1642 if (--callbacks_pending <= 0)
1643 eloop_terminate();
1644 }
1645 #endif /* CONFIG_WPS_ER */
1646
1647
1648 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1649 {
1650 #ifdef CONFIG_WPS_ER
1651 if (wpa_s->wps_er) {
1652 callbacks_pending++;
1653 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1654 wpa_s->wps_er = NULL;
1655 return 1;
1656 }
1657 #endif /* CONFIG_WPS_ER */
1658 return 0;
1659 }
1660
1661
1662 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
1663 {
1664 struct wpa_ssid *ssid;
1665
1666 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1667 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
1668 return 1;
1669 }
1670
1671 return 0;
1672 }
1673
1674
1675 void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
1676 {
1677 struct wps_context *wps = wpa_s->wps;
1678
1679 if (wps == NULL)
1680 return;
1681
1682 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
1683 wps->config_methods = wps_config_methods_str2bin(
1684 wpa_s->conf->config_methods);
1685 if ((wps->config_methods &
1686 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1687 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1688 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
1689 "config methods are not allowed at the "
1690 "same time");
1691 wps->config_methods &= ~WPS_CONFIG_LABEL;
1692 }
1693 }
1694 wps->config_methods = wps_fix_config_methods(wps->config_methods);
1695
1696 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
1697 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1698 WPS_DEV_TYPE_LEN);
1699
1700 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
1701 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1702 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1703 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
1704 }
1705
1706 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
1707 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1708
1709 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
1710 wpas_wps_set_uuid(wpa_s, wps);
1711
1712 if (wpa_s->conf->changed_parameters &
1713 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
1714 /* Update pointers to make sure they refer current values */
1715 wps->dev.device_name = wpa_s->conf->device_name;
1716 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1717 wps->dev.model_name = wpa_s->conf->model_name;
1718 wps->dev.model_number = wpa_s->conf->model_number;
1719 wps->dev.serial_number = wpa_s->conf->serial_number;
1720 }
1721 }
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