2 * wpa_supplicant / WPS integration
3 * Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
14 #include "crypto/random.h"
15 #include "crypto/dh_group5.h"
16 #include "common/ieee802_11_defs.h"
17 #include "common/ieee802_11_common.h"
18 #include "common/wpa_common.h"
19 #include "common/wpa_ctrl.h"
20 #include "eap_common/eap_wsc_common.h"
21 #include "eap_peer/eap.h"
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "rsn_supp/wpa.h"
24 #include "wps/wps_attr_parse.h"
26 #include "wpa_supplicant_i.h"
29 #include "blacklist.h"
34 #include "p2p_supplicant.h"
35 #include "wps_supplicant.h"
38 #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
39 #define WPS_PIN_SCAN_IGNORE_SEL_REG 3
40 #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
43 * The minimum time in seconds before trying to associate to a WPS PIN AP that
44 * does not have Selected Registrar TRUE.
46 #ifndef WPS_PIN_TIME_IGNORE_SEL_REG
47 #define WPS_PIN_TIME_IGNORE_SEL_REG 5
48 #endif /* WPS_PIN_TIME_IGNORE_SEL_REG */
50 static void wpas_wps_timeout(void *eloop_ctx
, void *timeout_ctx
);
51 static void wpas_clear_wps(struct wpa_supplicant
*wpa_s
);
54 static void wpas_wps_clear_ap_info(struct wpa_supplicant
*wpa_s
)
56 os_free(wpa_s
->wps_ap
);
58 wpa_s
->num_wps_ap
= 0;
59 wpa_s
->wps_ap_iter
= 0;
63 static void wpas_wps_assoc_with_cred(void *eloop_ctx
, void *timeout_ctx
)
65 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
66 int use_fast_assoc
= timeout_ctx
!= NULL
;
68 wpa_printf(MSG_DEBUG
, "WPS: Continuing association after eapol_cb");
69 if (!use_fast_assoc
||
70 wpa_supplicant_fast_associate(wpa_s
) != 1)
71 wpa_supplicant_req_scan(wpa_s
, 0, 0);
75 static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant
*wpa_s
)
77 eloop_cancel_timeout(wpas_wps_assoc_with_cred
, wpa_s
, (void *) 0);
78 eloop_cancel_timeout(wpas_wps_assoc_with_cred
, wpa_s
, (void *) 1);
82 int wpas_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
84 if (wpas_p2p_wps_eapol_cb(wpa_s
) > 0)
87 if (!wpa_s
->wps_success
&&
88 wpa_s
->current_ssid
&&
89 eap_is_wps_pin_enrollee(&wpa_s
->current_ssid
->eap
)) {
90 const u8
*bssid
= wpa_s
->bssid
;
91 if (is_zero_ether_addr(bssid
))
92 bssid
= wpa_s
->pending_bssid
;
94 wpa_printf(MSG_DEBUG
, "WPS: PIN registration with " MACSTR
95 " did not succeed - continue trying to find "
96 "suitable AP", MAC2STR(bssid
));
97 wpa_blacklist_add(wpa_s
, bssid
);
99 wpa_supplicant_deauthenticate(wpa_s
,
100 WLAN_REASON_DEAUTH_LEAVING
);
101 wpa_s
->reassociate
= 1;
102 wpa_supplicant_req_scan(wpa_s
,
103 wpa_s
->blacklist_cleared
? 5 : 0, 0);
104 wpa_s
->blacklist_cleared
= 0;
108 wpas_wps_clear_ap_info(wpa_s
);
109 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
110 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
&& !wpa_s
->wps_success
)
111 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_FAIL
);
113 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
&& wpa_s
->current_ssid
&&
114 !(wpa_s
->current_ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
115 int disabled
= wpa_s
->current_ssid
->disabled
;
116 unsigned int freq
= wpa_s
->assoc_freq
;
118 struct wpa_ssid
*ssid
= NULL
;
119 int use_fast_assoc
= 0;
121 wpa_printf(MSG_DEBUG
, "WPS: Network configuration replaced - "
122 "try to associate with the received credential "
124 wpa_s
->own_disconnect_req
= 1;
125 wpa_supplicant_deauthenticate(wpa_s
,
126 WLAN_REASON_DEAUTH_LEAVING
);
128 wpa_printf(MSG_DEBUG
, "WPS: Current network is "
129 "disabled - wait for user to enable");
132 wpa_s
->after_wps
= 5;
133 wpa_s
->wps_freq
= freq
;
134 wpa_s
->normal_scans
= 0;
135 wpa_s
->reassociate
= 1;
137 wpa_printf(MSG_DEBUG
, "WPS: Checking whether fast association "
138 "without a new scan can be used");
139 bss
= wpa_supplicant_pick_network(wpa_s
, &ssid
);
142 struct wps_parse_attr attr
;
144 wps
= wpa_bss_get_vendor_ie_multi(bss
,
146 if (wps
&& wps_parse_msg(wps
, &attr
) == 0 &&
148 *attr
.wps_state
== WPS_STATE_CONFIGURED
)
154 * Complete the next step from an eloop timeout to allow pending
155 * driver events related to the disconnection to be processed
156 * first. This makes it less likely for disconnection event to
157 * cause problems with the following connection.
159 wpa_printf(MSG_DEBUG
, "WPS: Continue association from timeout");
160 wpas_wps_assoc_with_cred_cancel(wpa_s
);
161 eloop_register_timeout(0, 10000,
162 wpas_wps_assoc_with_cred
, wpa_s
,
163 use_fast_assoc
? (void *) 1 :
168 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
&& wpa_s
->current_ssid
) {
169 wpa_printf(MSG_DEBUG
, "WPS: Registration completed - waiting "
170 "for external credential processing");
171 wpas_clear_wps(wpa_s
);
172 wpa_s
->own_disconnect_req
= 1;
173 wpa_supplicant_deauthenticate(wpa_s
,
174 WLAN_REASON_DEAUTH_LEAVING
);
182 static void wpas_wps_security_workaround(struct wpa_supplicant
*wpa_s
,
183 struct wpa_ssid
*ssid
,
184 const struct wps_credential
*cred
)
186 struct wpa_driver_capa capa
;
189 struct wpa_ie_data adv
;
190 int wpa2
= 0, ccmp
= 0;
193 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
194 * case they are configured for mixed mode operation (WPA+WPA2 and
195 * TKIP+CCMP). Try to use scan results to figure out whether the AP
196 * actually supports stronger security and select that if the client
197 * has support for it, too.
200 if (wpa_drv_get_capa(wpa_s
, &capa
))
201 return; /* Unknown what driver supports */
203 if (ssid
->ssid
== NULL
)
205 bss
= wpa_bss_get(wpa_s
, cred
->mac_addr
, ssid
->ssid
, ssid
->ssid_len
);
207 bss
= wpa_bss_get(wpa_s
, wpa_s
->bssid
,
208 ssid
->ssid
, ssid
->ssid_len
);
210 wpa_printf(MSG_DEBUG
, "WPS: The AP was not found from BSS "
211 "table - use credential as-is");
215 wpa_printf(MSG_DEBUG
, "WPS: AP found from BSS table");
217 ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
218 if (ie
&& wpa_parse_wpa_ie(ie
, 2 + ie
[1], &adv
) == 0) {
220 if (adv
.pairwise_cipher
& WPA_CIPHER_CCMP
)
223 ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
224 if (ie
&& wpa_parse_wpa_ie(ie
, 2 + ie
[1], &adv
) == 0 &&
225 adv
.pairwise_cipher
& WPA_CIPHER_CCMP
)
229 if (ie
== NULL
&& (ssid
->proto
& WPA_PROTO_WPA
) &&
230 (ssid
->pairwise_cipher
& WPA_CIPHER_TKIP
)) {
232 * TODO: This could be the initial AP configuration and the
233 * Beacon contents could change shortly. Should request a new
234 * scan and delay addition of the network until the updated
235 * scan results are available.
237 wpa_printf(MSG_DEBUG
, "WPS: The AP did not yet advertise WPA "
238 "support - use credential as-is");
242 if (ccmp
&& !(ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
) &&
243 (ssid
->pairwise_cipher
& WPA_CIPHER_TKIP
) &&
244 (capa
.key_mgmt
& WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK
)) {
245 wpa_printf(MSG_DEBUG
, "WPS: Add CCMP into the credential "
246 "based on scan results");
247 if (wpa_s
->conf
->ap_scan
== 1)
248 ssid
->pairwise_cipher
|= WPA_CIPHER_CCMP
;
250 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
253 if (wpa2
&& !(ssid
->proto
& WPA_PROTO_RSN
) &&
254 (ssid
->proto
& WPA_PROTO_WPA
) &&
255 (capa
.enc
& WPA_DRIVER_CAPA_ENC_CCMP
)) {
256 wpa_printf(MSG_DEBUG
, "WPS: Add WPA2 into the credential "
257 "based on scan results");
258 if (wpa_s
->conf
->ap_scan
== 1)
259 ssid
->proto
|= WPA_PROTO_RSN
;
261 ssid
->proto
= WPA_PROTO_RSN
;
266 static void wpas_wps_remove_dup_network(struct wpa_supplicant
*wpa_s
,
267 struct wpa_ssid
*new_ssid
)
269 struct wpa_ssid
*ssid
, *next
;
271 for (ssid
= wpa_s
->conf
->ssid
, next
= ssid
? ssid
->next
: NULL
; ssid
;
272 ssid
= next
, next
= ssid
? ssid
->next
: NULL
) {
274 * new_ssid has already been added to the list in
275 * wpas_wps_add_network(), so skip it.
277 if (ssid
== new_ssid
)
280 if (ssid
->bssid_set
|| new_ssid
->bssid_set
) {
281 if (ssid
->bssid_set
!= new_ssid
->bssid_set
)
283 if (os_memcmp(ssid
->bssid
, new_ssid
->bssid
, ETH_ALEN
) !=
289 if (ssid
->ssid_len
== 0 || ssid
->ssid_len
!= new_ssid
->ssid_len
)
292 if (ssid
->ssid
&& new_ssid
->ssid
) {
293 if (os_memcmp(ssid
->ssid
, new_ssid
->ssid
,
294 ssid
->ssid_len
) != 0)
296 } else if (ssid
->ssid
|| new_ssid
->ssid
)
299 /* compare security parameters */
300 if (ssid
->auth_alg
!= new_ssid
->auth_alg
||
301 ssid
->key_mgmt
!= new_ssid
->key_mgmt
||
302 (ssid
->group_cipher
!= new_ssid
->group_cipher
&&
303 !(ssid
->group_cipher
& new_ssid
->group_cipher
&
308 * Some existing WPS APs will send two creds in case they are
309 * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP).
310 * Try to merge these two creds if they are received in the same
313 if (ssid
->wps_run
&& ssid
->wps_run
== new_ssid
->wps_run
&&
314 wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
)) {
315 if (new_ssid
->passphrase
&& ssid
->passphrase
&&
316 os_strcmp(new_ssid
->passphrase
, ssid
->passphrase
) !=
318 wpa_printf(MSG_DEBUG
,
319 "WPS: M8 Creds with different passphrase - do not merge");
323 if (new_ssid
->psk_set
&&
325 os_memcmp(new_ssid
->psk
, ssid
->psk
, 32) != 0)) {
326 wpa_printf(MSG_DEBUG
,
327 "WPS: M8 Creds with different PSK - do not merge");
331 if ((new_ssid
->passphrase
&& !ssid
->passphrase
) ||
332 (!new_ssid
->passphrase
&& ssid
->passphrase
)) {
333 wpa_printf(MSG_DEBUG
,
334 "WPS: M8 Creds with different passphrase/PSK type - do not merge");
338 wpa_printf(MSG_DEBUG
,
339 "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message");
340 new_ssid
->proto
|= ssid
->proto
;
341 new_ssid
->pairwise_cipher
|= ssid
->pairwise_cipher
;
344 * proto and pairwise_cipher difference matter for
345 * non-mixed-mode creds.
347 if (ssid
->proto
!= new_ssid
->proto
||
348 ssid
->pairwise_cipher
!= new_ssid
->pairwise_cipher
)
352 /* Remove the duplicated older network entry. */
353 wpa_printf(MSG_DEBUG
, "Remove duplicate network %d", ssid
->id
);
354 wpas_notify_network_removed(wpa_s
, ssid
);
355 if (wpa_s
->current_ssid
== ssid
)
356 wpa_s
->current_ssid
= NULL
;
357 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
362 static int wpa_supplicant_wps_cred(void *ctx
,
363 const struct wps_credential
*cred
)
365 struct wpa_supplicant
*wpa_s
= ctx
;
366 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
368 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
370 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
372 if ((wpa_s
->conf
->wps_cred_processing
== 1 ||
373 wpa_s
->conf
->wps_cred_processing
== 2) && cred
->cred_attr
) {
374 size_t blen
= cred
->cred_attr_len
* 2 + 1;
375 char *buf
= os_malloc(blen
);
377 wpa_snprintf_hex(buf
, blen
,
378 cred
->cred_attr
, cred
->cred_attr_len
);
379 wpa_msg(wpa_s
, MSG_INFO
, "%s%s",
380 WPS_EVENT_CRED_RECEIVED
, buf
);
384 wpas_notify_wps_credential(wpa_s
, cred
);
386 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_CRED_RECEIVED
);
388 wpa_hexdump_key(MSG_DEBUG
, "WPS: Received Credential attribute",
389 cred
->cred_attr
, cred
->cred_attr_len
);
391 if (wpa_s
->conf
->wps_cred_processing
== 1)
394 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: SSID", cred
->ssid
, cred
->ssid_len
);
395 wpa_printf(MSG_DEBUG
, "WPS: Authentication Type 0x%x",
397 wpa_printf(MSG_DEBUG
, "WPS: Encryption Type 0x%x", cred
->encr_type
);
398 wpa_printf(MSG_DEBUG
, "WPS: Network Key Index %d", cred
->key_idx
);
399 wpa_hexdump_key(MSG_DEBUG
, "WPS: Network Key",
400 cred
->key
, cred
->key_len
);
401 wpa_printf(MSG_DEBUG
, "WPS: MAC Address " MACSTR
,
402 MAC2STR(cred
->mac_addr
));
404 auth_type
= cred
->auth_type
;
405 if (auth_type
== (WPS_AUTH_WPAPSK
| WPS_AUTH_WPA2PSK
)) {
406 wpa_printf(MSG_DEBUG
, "WPS: Workaround - convert mixed-mode "
407 "auth_type into WPA2PSK");
408 auth_type
= WPS_AUTH_WPA2PSK
;
411 if (auth_type
!= WPS_AUTH_OPEN
&&
412 auth_type
!= WPS_AUTH_WPAPSK
&&
413 auth_type
!= WPS_AUTH_WPA2PSK
) {
414 wpa_printf(MSG_DEBUG
, "WPS: Ignored credentials for "
415 "unsupported authentication type 0x%x",
420 if (auth_type
== WPS_AUTH_WPAPSK
|| auth_type
== WPS_AUTH_WPA2PSK
) {
421 if (cred
->key_len
< 8 || cred
->key_len
> 2 * PMK_LEN
) {
422 wpa_printf(MSG_ERROR
, "WPS: Reject PSK credential with "
423 "invalid Network Key length %lu",
424 (unsigned long) cred
->key_len
);
429 if (ssid
&& (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
430 wpa_printf(MSG_DEBUG
, "WPS: Replace WPS network block based "
431 "on the received credential");
432 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
433 if (ssid
->eap
.identity
&&
434 ssid
->eap
.identity_len
== WSC_ID_REGISTRAR_LEN
&&
435 os_memcmp(ssid
->eap
.identity
, WSC_ID_REGISTRAR
,
436 WSC_ID_REGISTRAR_LEN
) == 0)
438 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
439 os_free(ssid
->eap
.identity
);
440 ssid
->eap
.identity
= NULL
;
441 ssid
->eap
.identity_len
= 0;
442 os_free(ssid
->eap
.phase1
);
443 ssid
->eap
.phase1
= NULL
;
444 os_free(ssid
->eap
.eap_methods
);
445 ssid
->eap
.eap_methods
= NULL
;
446 if (!ssid
->p2p_group
) {
450 ssid
->disabled_until
.sec
= 0;
451 ssid
->disabled_until
.usec
= 0;
452 ssid
->auth_failures
= 0;
454 wpa_printf(MSG_DEBUG
, "WPS: Create a new network based on the "
455 "received credential");
456 ssid
= wpa_config_add_network(wpa_s
->conf
);
459 if (wpa_s
->current_ssid
) {
461 * Should the GO issue multiple credentials for some
462 * reason, each credential should be marked as a
463 * temporary P2P group similarly to the one that gets
464 * marked as such based on the pre-configured values
465 * used for the WPS network block.
467 ssid
->p2p_group
= wpa_s
->current_ssid
->p2p_group
;
468 ssid
->temporary
= wpa_s
->current_ssid
->temporary
;
470 wpas_notify_network_added(wpa_s
, ssid
);
473 wpa_config_set_network_defaults(ssid
);
474 ssid
->wps_run
= wpa_s
->wps_run
;
477 ssid
->ssid
= os_malloc(cred
->ssid_len
);
479 os_memcpy(ssid
->ssid
, cred
->ssid
, cred
->ssid_len
);
480 ssid
->ssid_len
= cred
->ssid_len
;
483 switch (cred
->encr_type
) {
487 ssid
->pairwise_cipher
= WPA_CIPHER_TKIP
;
490 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
491 if (wpa_s
->drv_capa_known
&&
492 (wpa_s
->drv_enc
& WPA_DRIVER_CAPA_ENC_GCMP
)) {
493 ssid
->pairwise_cipher
|= WPA_CIPHER_GCMP
;
494 ssid
->group_cipher
|= WPA_CIPHER_GCMP
;
496 if (wpa_s
->drv_capa_known
&&
497 (wpa_s
->drv_enc
& WPA_DRIVER_CAPA_ENC_GCMP_256
)) {
498 ssid
->pairwise_cipher
|= WPA_CIPHER_GCMP_256
;
499 ssid
->group_cipher
|= WPA_CIPHER_GCMP_256
;
501 if (wpa_s
->drv_capa_known
&&
502 (wpa_s
->drv_enc
& WPA_DRIVER_CAPA_ENC_CCMP_256
)) {
503 ssid
->pairwise_cipher
|= WPA_CIPHER_CCMP_256
;
504 ssid
->group_cipher
|= WPA_CIPHER_CCMP_256
;
511 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
512 ssid
->key_mgmt
= WPA_KEY_MGMT_NONE
;
514 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
516 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_OPEN_NETWORK
517 "id=%d - Credentials for an open "
518 "network disabled by default - use "
519 "'select_network %d' to enable",
523 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
525 case WPS_AUTH_WPAPSK
:
526 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
527 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
528 ssid
->proto
= WPA_PROTO_WPA
;
530 case WPS_AUTH_WPA2PSK
:
531 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
532 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
533 if (wpa_s
->conf
->wps_cred_add_sae
&&
534 cred
->key_len
!= 2 * PMK_LEN
) {
535 ssid
->key_mgmt
|= WPA_KEY_MGMT_SAE
;
536 #ifdef CONFIG_IEEE80211W
537 ssid
->ieee80211w
= MGMT_FRAME_PROTECTION_OPTIONAL
;
538 #endif /* CONFIG_IEEE80211W */
540 ssid
->proto
= WPA_PROTO_RSN
;
544 if (ssid
->key_mgmt
& WPA_KEY_MGMT_PSK
) {
545 if (cred
->key_len
== 2 * PMK_LEN
) {
546 if (hexstr2bin((const char *) cred
->key
, ssid
->psk
,
548 wpa_printf(MSG_ERROR
, "WPS: Invalid Network "
553 ssid
->export_keys
= 1;
554 } else if (cred
->key_len
>= 8 && cred
->key_len
< 2 * PMK_LEN
) {
555 os_free(ssid
->passphrase
);
556 ssid
->passphrase
= os_malloc(cred
->key_len
+ 1);
557 if (ssid
->passphrase
== NULL
)
559 os_memcpy(ssid
->passphrase
, cred
->key
, cred
->key_len
);
560 ssid
->passphrase
[cred
->key_len
] = '\0';
561 wpa_config_update_psk(ssid
);
562 ssid
->export_keys
= 1;
564 wpa_printf(MSG_ERROR
, "WPS: Invalid Network Key "
566 (unsigned long) cred
->key_len
);
570 ssid
->priority
= wpa_s
->conf
->wps_priority
;
572 wpas_wps_security_workaround(wpa_s
, ssid
, cred
);
574 wpas_wps_remove_dup_network(wpa_s
, ssid
);
576 #ifndef CONFIG_NO_CONFIG_WRITE
577 if (wpa_s
->conf
->update_config
&&
578 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
579 wpa_printf(MSG_DEBUG
, "WPS: Failed to update configuration");
582 #endif /* CONFIG_NO_CONFIG_WRITE */
585 wpa_config_update_prio_list(wpa_s
->conf
);
588 * Optimize the post-WPS scan based on the channel used during
589 * the provisioning in case EAP-Failure is not received.
591 wpa_s
->after_wps
= 5;
592 wpa_s
->wps_freq
= wpa_s
->assoc_freq
;
598 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant
*wpa_s
,
599 struct wps_event_m2d
*m2d
)
601 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_M2D
602 "dev_password_id=%d config_error=%d",
603 m2d
->dev_password_id
, m2d
->config_error
);
604 wpas_notify_wps_event_m2d(wpa_s
, m2d
);
606 if (wpa_s
->p2pdev
&& wpa_s
->p2pdev
!= wpa_s
) {
607 wpa_msg(wpa_s
->p2pdev
, MSG_INFO
, WPS_EVENT_M2D
608 "dev_password_id=%d config_error=%d",
609 m2d
->dev_password_id
, m2d
->config_error
);
611 if (m2d
->config_error
== WPS_CFG_MULTIPLE_PBC_DETECTED
) {
613 * Notify P2P from eloop timeout to avoid issues with the
614 * interface getting removed while processing a message.
616 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb
, wpa_s
,
619 #endif /* CONFIG_P2P */
623 static void wpas_wps_clear_timeout(void *eloop_ctx
, void *timeout_ctx
)
625 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
626 wpa_printf(MSG_DEBUG
, "WPS: Clear WPS network from timeout");
627 wpas_clear_wps(wpa_s
);
631 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant
*wpa_s
,
632 struct wps_event_fail
*fail
)
634 if (fail
->error_indication
> 0 &&
635 fail
->error_indication
< NUM_WPS_EI_VALUES
) {
636 wpa_msg(wpa_s
, MSG_INFO
,
637 WPS_EVENT_FAIL
"msg=%d config_error=%d reason=%d (%s)",
638 fail
->msg
, fail
->config_error
, fail
->error_indication
,
639 wps_ei_str(fail
->error_indication
));
640 if (wpa_s
->p2pdev
&& wpa_s
->p2pdev
!= wpa_s
)
641 wpa_msg(wpa_s
->p2pdev
, MSG_INFO
, WPS_EVENT_FAIL
642 "msg=%d config_error=%d reason=%d (%s)",
643 fail
->msg
, fail
->config_error
,
644 fail
->error_indication
,
645 wps_ei_str(fail
->error_indication
));
647 wpa_msg(wpa_s
, MSG_INFO
,
648 WPS_EVENT_FAIL
"msg=%d config_error=%d",
649 fail
->msg
, fail
->config_error
);
650 if (wpa_s
->p2pdev
&& wpa_s
->p2pdev
!= wpa_s
)
651 wpa_msg(wpa_s
->p2pdev
, MSG_INFO
, WPS_EVENT_FAIL
652 "msg=%d config_error=%d",
653 fail
->msg
, fail
->config_error
);
657 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
659 wpa_printf(MSG_DEBUG
, "WPS: Register timeout to clear WPS network");
660 eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
);
661 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout
, wpa_s
, NULL
);
663 wpas_notify_wps_event_fail(wpa_s
, fail
);
664 wpas_p2p_wps_failed(wpa_s
, fail
);
668 static void wpas_wps_reenable_networks_cb(void *eloop_ctx
, void *timeout_ctx
);
670 static void wpas_wps_reenable_networks(struct wpa_supplicant
*wpa_s
)
672 struct wpa_ssid
*ssid
;
675 eloop_cancel_timeout(wpas_wps_reenable_networks_cb
, wpa_s
, NULL
);
677 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
678 if (ssid
->disabled_for_connect
&& ssid
->disabled
) {
679 ssid
->disabled_for_connect
= 0;
681 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
687 #ifndef CONFIG_NO_CONFIG_WRITE
688 if (wpa_s
->conf
->update_config
&&
689 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
690 wpa_printf(MSG_DEBUG
, "WPS: Failed to update "
693 #endif /* CONFIG_NO_CONFIG_WRITE */
698 static void wpas_wps_reenable_networks_cb(void *eloop_ctx
, void *timeout_ctx
)
700 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
701 /* Enable the networks disabled during wpas_wps_reassoc */
702 wpas_wps_reenable_networks(wpa_s
);
706 int wpas_wps_reenable_networks_pending(struct wpa_supplicant
*wpa_s
)
708 return eloop_is_timeout_registered(wpas_wps_reenable_networks_cb
,
713 static void wpa_supplicant_wps_event_success(struct wpa_supplicant
*wpa_s
)
715 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_SUCCESS
);
716 wpa_s
->wps_success
= 1;
717 wpas_notify_wps_event_success(wpa_s
);
718 if (wpa_s
->current_ssid
)
719 wpas_clear_temp_disabled(wpa_s
, wpa_s
->current_ssid
, 1);
720 wpa_s
->extra_blacklist_count
= 0;
723 * Enable the networks disabled during wpas_wps_reassoc after 10
724 * seconds. The 10 seconds timer is to allow the data connection to be
725 * formed before allowing other networks to be selected.
727 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb
, wpa_s
,
730 wpas_p2p_wps_success(wpa_s
, wpa_s
->bssid
, 0);
734 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant
*wpa_s
,
735 struct wps_event_er_ap
*ap
)
738 char dev_type
[WPS_DEV_TYPE_BUFSIZE
];
740 uuid_bin2str(ap
->uuid
, uuid_str
, sizeof(uuid_str
));
741 if (ap
->pri_dev_type
)
742 wps_dev_type_bin2str(ap
->pri_dev_type
, dev_type
,
747 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_ADD
"%s " MACSTR
748 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
749 uuid_str
, MAC2STR(ap
->mac_addr
), dev_type
, ap
->wps_state
,
750 ap
->friendly_name
? ap
->friendly_name
: "",
751 ap
->manufacturer
? ap
->manufacturer
: "",
752 ap
->model_description
? ap
->model_description
: "",
753 ap
->model_name
? ap
->model_name
: "",
754 ap
->manufacturer_url
? ap
->manufacturer_url
: "",
755 ap
->model_url
? ap
->model_url
: "");
759 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant
*wpa_s
,
760 struct wps_event_er_ap
*ap
)
763 uuid_bin2str(ap
->uuid
, uuid_str
, sizeof(uuid_str
));
764 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_REMOVE
"%s", uuid_str
);
768 static void wpa_supplicant_wps_event_er_enrollee_add(
769 struct wpa_supplicant
*wpa_s
, struct wps_event_er_enrollee
*enrollee
)
772 char dev_type
[WPS_DEV_TYPE_BUFSIZE
];
774 uuid_bin2str(enrollee
->uuid
, uuid_str
, sizeof(uuid_str
));
775 if (enrollee
->pri_dev_type
)
776 wps_dev_type_bin2str(enrollee
->pri_dev_type
, dev_type
,
781 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_ENROLLEE_ADD
"%s " MACSTR
782 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
784 uuid_str
, MAC2STR(enrollee
->mac_addr
), enrollee
->m1_received
,
785 enrollee
->config_methods
, enrollee
->dev_passwd_id
, dev_type
,
786 enrollee
->dev_name
? enrollee
->dev_name
: "",
787 enrollee
->manufacturer
? enrollee
->manufacturer
: "",
788 enrollee
->model_name
? enrollee
->model_name
: "",
789 enrollee
->model_number
? enrollee
->model_number
: "",
790 enrollee
->serial_number
? enrollee
->serial_number
: "");
794 static void wpa_supplicant_wps_event_er_enrollee_remove(
795 struct wpa_supplicant
*wpa_s
, struct wps_event_er_enrollee
*enrollee
)
798 uuid_bin2str(enrollee
->uuid
, uuid_str
, sizeof(uuid_str
));
799 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_ENROLLEE_REMOVE
"%s " MACSTR
,
800 uuid_str
, MAC2STR(enrollee
->mac_addr
));
804 static void wpa_supplicant_wps_event_er_ap_settings(
805 struct wpa_supplicant
*wpa_s
,
806 struct wps_event_er_ap_settings
*ap_settings
)
810 const struct wps_credential
*cred
= ap_settings
->cred
;
813 if (cred
->auth_type
& (WPS_AUTH_WPAPSK
| WPS_AUTH_WPA2PSK
)) {
814 if (cred
->key_len
>= 8 && cred
->key_len
<= 64) {
815 os_memcpy(key_str
, cred
->key
, cred
->key_len
);
816 key_str
[cred
->key_len
] = '\0';
820 uuid_bin2str(ap_settings
->uuid
, uuid_str
, sizeof(uuid_str
));
821 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
822 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_SETTINGS
823 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
825 uuid_str
, wpa_ssid_txt(cred
->ssid
, cred
->ssid_len
),
826 cred
->auth_type
, cred
->encr_type
, key_str
);
830 static void wpa_supplicant_wps_event_er_set_sel_reg(
831 struct wpa_supplicant
*wpa_s
,
832 struct wps_event_er_set_selected_registrar
*ev
)
836 uuid_bin2str(ev
->uuid
, uuid_str
, sizeof(uuid_str
));
838 case WPS_ER_SET_SEL_REG_START
:
839 wpa_msg(wpa_s
, MSG_DEBUG
, WPS_EVENT_ER_SET_SEL_REG
840 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
841 "sel_reg_config_methods=0x%x",
842 uuid_str
, ev
->sel_reg
, ev
->dev_passwd_id
,
843 ev
->sel_reg_config_methods
);
845 case WPS_ER_SET_SEL_REG_DONE
:
846 wpa_msg(wpa_s
, MSG_DEBUG
, WPS_EVENT_ER_SET_SEL_REG
847 "uuid=%s state=DONE", uuid_str
);
849 case WPS_ER_SET_SEL_REG_FAILED
:
850 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_SET_SEL_REG
851 "uuid=%s state=FAILED", uuid_str
);
857 static void wpa_supplicant_wps_event(void *ctx
, enum wps_event event
,
858 union wps_event_data
*data
)
860 struct wpa_supplicant
*wpa_s
= ctx
;
863 wpa_supplicant_wps_event_m2d(wpa_s
, &data
->m2d
);
866 wpa_supplicant_wps_event_fail(wpa_s
, &data
->fail
);
869 wpa_supplicant_wps_event_success(wpa_s
);
871 case WPS_EV_PWD_AUTH_FAIL
:
873 if (wpa_s
->ap_iface
&& data
->pwd_auth_fail
.enrollee
)
874 wpa_supplicant_ap_pwd_auth_fail(wpa_s
);
875 #endif /* CONFIG_AP */
877 case WPS_EV_PBC_OVERLAP
:
879 case WPS_EV_PBC_TIMEOUT
:
881 case WPS_EV_PBC_ACTIVE
:
882 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ACTIVE
);
884 case WPS_EV_PBC_DISABLE
:
885 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_DISABLE
);
887 case WPS_EV_ER_AP_ADD
:
888 wpa_supplicant_wps_event_er_ap_add(wpa_s
, &data
->ap
);
890 case WPS_EV_ER_AP_REMOVE
:
891 wpa_supplicant_wps_event_er_ap_remove(wpa_s
, &data
->ap
);
893 case WPS_EV_ER_ENROLLEE_ADD
:
894 wpa_supplicant_wps_event_er_enrollee_add(wpa_s
,
897 case WPS_EV_ER_ENROLLEE_REMOVE
:
898 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s
,
901 case WPS_EV_ER_AP_SETTINGS
:
902 wpa_supplicant_wps_event_er_ap_settings(wpa_s
,
905 case WPS_EV_ER_SET_SELECTED_REGISTRAR
:
906 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s
,
909 case WPS_EV_AP_PIN_SUCCESS
:
915 static int wpa_supplicant_wps_rf_band(void *ctx
)
917 struct wpa_supplicant
*wpa_s
= ctx
;
919 if (!wpa_s
->current_ssid
|| !wpa_s
->assoc_freq
)
922 return (wpa_s
->assoc_freq
> 50000) ? WPS_RF_60GHZ
:
923 (wpa_s
->assoc_freq
> 2484) ? WPS_RF_50GHZ
: WPS_RF_24GHZ
;
927 enum wps_request_type
wpas_wps_get_req_type(struct wpa_ssid
*ssid
)
929 if (eap_is_wps_pbc_enrollee(&ssid
->eap
) ||
930 eap_is_wps_pin_enrollee(&ssid
->eap
))
931 return WPS_REQ_ENROLLEE
;
933 return WPS_REQ_REGISTRAR
;
937 static void wpas_clear_wps(struct wpa_supplicant
*wpa_s
)
940 struct wpa_ssid
*ssid
, *remove_ssid
= NULL
, *prev_current
;
942 wpa_s
->after_wps
= 0;
943 wpa_s
->known_wps_freq
= 0;
945 prev_current
= wpa_s
->current_ssid
;
947 /* Enable the networks disabled during wpas_wps_reassoc */
948 wpas_wps_reenable_networks(wpa_s
);
950 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
951 eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
);
953 /* Remove any existing WPS network from configuration */
954 ssid
= wpa_s
->conf
->ssid
;
956 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
957 if (ssid
== wpa_s
->current_ssid
) {
958 wpa_s
->own_disconnect_req
= 1;
959 wpa_supplicant_deauthenticate(
960 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
968 if (prev_current
== remove_ssid
) {
969 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
970 eapol_sm_notify_config(wpa_s
->eapol
, NULL
,
973 wpas_notify_network_removed(wpa_s
, remove_ssid
);
974 wpa_config_remove_network(wpa_s
->conf
, id
);
978 wpas_wps_clear_ap_info(wpa_s
);
982 static void wpas_wps_timeout(void *eloop_ctx
, void *timeout_ctx
)
984 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
985 union wps_event_data data
;
987 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_TIMEOUT
"Requested operation timed "
989 os_memset(&data
, 0, sizeof(data
));
990 data
.fail
.config_error
= WPS_CFG_MSG_TIMEOUT
;
991 data
.fail
.error_indication
= WPS_EI_NO_ERROR
;
993 * Call wpas_notify_wps_event_fail() directly instead of through
994 * wpa_supplicant_wps_event() which would end up registering unnecessary
995 * timeouts (those are only for the case where the failure happens
996 * during an EAP-WSC exchange).
998 wpas_notify_wps_event_fail(wpa_s
, &data
.fail
);
999 wpas_clear_wps(wpa_s
);
1003 static struct wpa_ssid
* wpas_wps_add_network(struct wpa_supplicant
*wpa_s
,
1004 int registrar
, const u8
*dev_addr
,
1007 struct wpa_ssid
*ssid
;
1009 ssid
= wpa_config_add_network(wpa_s
->conf
);
1012 wpas_notify_network_added(wpa_s
, ssid
);
1013 wpa_config_set_network_defaults(ssid
);
1014 ssid
->temporary
= 1;
1015 if (wpa_config_set(ssid
, "key_mgmt", "WPS", 0) < 0 ||
1016 wpa_config_set(ssid
, "eap", "WSC", 0) < 0 ||
1017 wpa_config_set(ssid
, "identity", registrar
?
1018 "\"" WSC_ID_REGISTRAR
"\"" :
1019 "\"" WSC_ID_ENROLLEE
"\"", 0) < 0) {
1020 wpas_notify_network_removed(wpa_s
, ssid
);
1021 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1027 os_memcpy(ssid
->go_p2p_dev_addr
, dev_addr
, ETH_ALEN
);
1028 #endif /* CONFIG_P2P */
1032 struct wpa_bss
*bss
;
1034 #endif /* CONFIG_P2P */
1036 os_memcpy(ssid
->bssid
, bssid
, ETH_ALEN
);
1037 ssid
->bssid_set
= 1;
1040 * Note: With P2P, the SSID may change at the time the WPS
1041 * provisioning is started, so better not filter the AP based
1042 * on the current SSID in the scan results.
1045 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1046 if (os_memcmp(bssid
, bss
->bssid
, ETH_ALEN
) != 0)
1049 os_free(ssid
->ssid
);
1050 ssid
->ssid
= os_memdup(bss
->ssid
, bss
->ssid_len
);
1051 if (ssid
->ssid
== NULL
)
1053 ssid
->ssid_len
= bss
->ssid_len
;
1054 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Picked SSID from "
1056 ssid
->ssid
, ssid
->ssid_len
);
1061 wpa_printf(MSG_DEBUG
, "WPS: More than one SSID found "
1062 "for the AP; use wildcard");
1063 os_free(ssid
->ssid
);
1067 #endif /* CONFIG_P2P */
1074 static void wpas_wps_temp_disable(struct wpa_supplicant
*wpa_s
,
1075 struct wpa_ssid
*selected
)
1077 struct wpa_ssid
*ssid
;
1079 if (wpa_s
->current_ssid
) {
1080 wpa_s
->own_disconnect_req
= 1;
1081 wpa_supplicant_deauthenticate(
1082 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1085 /* Mark all other networks disabled and trigger reassociation */
1086 ssid
= wpa_s
->conf
->ssid
;
1088 int was_disabled
= ssid
->disabled
;
1089 ssid
->disabled_for_connect
= 0;
1091 * In case the network object corresponds to a persistent group
1092 * then do not send out network disabled signal. In addition,
1093 * do not change disabled status of persistent network objects
1094 * from 2 to 1 should we connect to another network.
1096 if (was_disabled
!= 2) {
1097 ssid
->disabled
= ssid
!= selected
;
1098 if (was_disabled
!= ssid
->disabled
) {
1100 ssid
->disabled_for_connect
= 1;
1101 wpas_notify_network_enabled_changed(wpa_s
,
1110 static void wpas_wps_reassoc(struct wpa_supplicant
*wpa_s
,
1111 struct wpa_ssid
*selected
, const u8
*bssid
,
1114 struct wpa_bss
*bss
;
1117 if (wpa_s
->wps_run
== 0)
1119 wpa_s
->after_wps
= 0;
1120 wpa_s
->known_wps_freq
= 0;
1122 wpa_s
->after_wps
= 5;
1123 wpa_s
->wps_freq
= freq
;
1125 bss
= wpa_bss_get_bssid_latest(wpa_s
, bssid
);
1126 if (bss
&& bss
->freq
> 0) {
1127 wpa_s
->known_wps_freq
= 1;
1128 wpa_s
->wps_freq
= bss
->freq
;
1132 wpas_wps_temp_disable(wpa_s
, selected
);
1134 wpa_s
->disconnected
= 0;
1135 wpa_s
->reassociate
= 1;
1136 wpa_s
->scan_runs
= 0;
1137 wpa_s
->normal_scans
= 0;
1138 wpa_s
->wps_success
= 0;
1139 wpa_s
->blacklist_cleared
= 0;
1141 wpa_supplicant_cancel_sched_scan(wpa_s
);
1142 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1146 int wpas_wps_start_pbc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1147 int p2p_group
, int multi_ap_backhaul_sta
)
1149 struct wpa_ssid
*ssid
;
1153 if (wpa_s
->ap_iface
) {
1154 wpa_printf(MSG_DEBUG
,
1155 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1158 #endif /* CONFIG_AP */
1159 wpas_clear_wps(wpa_s
);
1160 ssid
= wpas_wps_add_network(wpa_s
, 0, NULL
, bssid
);
1163 ssid
->temporary
= 1;
1164 ssid
->p2p_group
= p2p_group
;
1166 * When starting a regular WPS process (not P2P group formation)
1167 * the registrar/final station can be either AP or PCP
1168 * so use a "don't care" value for the pbss flag.
1173 if (p2p_group
&& wpa_s
->go_params
&& wpa_s
->go_params
->ssid_len
) {
1174 ssid
->ssid
= os_zalloc(wpa_s
->go_params
->ssid_len
+ 1);
1176 ssid
->ssid_len
= wpa_s
->go_params
->ssid_len
;
1177 os_memcpy(ssid
->ssid
, wpa_s
->go_params
->ssid
,
1179 if (wpa_s
->go_params
->freq
> 56160) {
1180 /* P2P in 60 GHz uses PBSS */
1183 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Use specific AP "
1184 "SSID", ssid
->ssid
, ssid
->ssid_len
);
1187 #endif /* CONFIG_P2P */
1188 os_snprintf(phase1
, sizeof(phase1
), "pbc=1%s",
1189 multi_ap_backhaul_sta
? " multi_ap=1" : "");
1190 if (wpa_config_set_quoted(ssid
, "phase1", phase1
) < 0)
1192 if (wpa_s
->wps_fragment_size
)
1193 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1194 if (multi_ap_backhaul_sta
)
1195 ssid
->multi_ap_backhaul_sta
= 1;
1196 wpa_supplicant_wps_event(wpa_s
, WPS_EV_PBC_ACTIVE
, NULL
);
1197 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1199 wpas_wps_reassoc(wpa_s
, ssid
, bssid
, 0);
1204 static int wpas_wps_start_dev_pw(struct wpa_supplicant
*wpa_s
,
1205 const u8
*dev_addr
, const u8
*bssid
,
1206 const char *pin
, int p2p_group
, u16 dev_pw_id
,
1207 const u8
*peer_pubkey_hash
,
1208 const u8
*ssid_val
, size_t ssid_len
, int freq
)
1210 struct wpa_ssid
*ssid
;
1211 char val
[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN
];
1212 unsigned int rpin
= 0;
1213 char hash
[2 * WPS_OOB_PUBKEY_HASH_LEN
+ 10];
1216 if (wpa_s
->ap_iface
) {
1217 wpa_printf(MSG_DEBUG
,
1218 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1221 #endif /* CONFIG_AP */
1222 wpas_clear_wps(wpa_s
);
1223 if (bssid
&& is_zero_ether_addr(bssid
))
1225 ssid
= wpas_wps_add_network(wpa_s
, 0, dev_addr
, bssid
);
1227 wpa_printf(MSG_DEBUG
, "WPS: Could not add network");
1230 ssid
->temporary
= 1;
1231 ssid
->p2p_group
= p2p_group
;
1233 * When starting a regular WPS process (not P2P group formation)
1234 * the registrar/final station can be either AP or PCP
1235 * so use a "don't care" value for the pbss flag.
1240 ssid
->ssid
= os_malloc(ssid_len
);
1242 os_memcpy(ssid
->ssid
, ssid_val
, ssid_len
);
1243 ssid
->ssid_len
= ssid_len
;
1246 if (peer_pubkey_hash
) {
1247 os_memcpy(hash
, " pkhash=", 8);
1248 wpa_snprintf_hex_uppercase(hash
+ 8, sizeof(hash
) - 8,
1250 WPS_OOB_PUBKEY_HASH_LEN
);
1255 if (p2p_group
&& wpa_s
->go_params
&& wpa_s
->go_params
->ssid_len
) {
1256 os_free(ssid
->ssid
);
1257 ssid
->ssid
= os_zalloc(wpa_s
->go_params
->ssid_len
+ 1);
1259 ssid
->ssid_len
= wpa_s
->go_params
->ssid_len
;
1260 os_memcpy(ssid
->ssid
, wpa_s
->go_params
->ssid
,
1262 if (wpa_s
->go_params
->freq
> 56160) {
1263 /* P2P in 60 GHz uses PBSS */
1266 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Use specific AP "
1267 "SSID", ssid
->ssid
, ssid
->ssid_len
);
1270 #endif /* CONFIG_P2P */
1272 os_snprintf(val
, sizeof(val
), "\"pin=%s dev_pw_id=%u%s\"",
1273 pin
, dev_pw_id
, hash
);
1274 else if (pin
== NULL
&& dev_pw_id
== DEV_PW_NFC_CONNECTION_HANDOVER
) {
1275 os_snprintf(val
, sizeof(val
), "\"dev_pw_id=%u%s\"",
1278 if (wps_generate_pin(&rpin
) < 0) {
1279 wpa_printf(MSG_DEBUG
, "WPS: Could not generate PIN");
1282 os_snprintf(val
, sizeof(val
), "\"pin=%08d dev_pw_id=%u%s\"",
1283 rpin
, dev_pw_id
, hash
);
1285 if (wpa_config_set(ssid
, "phase1", val
, 0) < 0) {
1286 wpa_printf(MSG_DEBUG
, "WPS: Failed to set phase1 '%s'", val
);
1289 if (wpa_s
->wps_fragment_size
)
1290 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1291 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1293 wpa_s
->wps_ap_iter
= 1;
1294 wpas_wps_reassoc(wpa_s
, ssid
, bssid
, freq
);
1299 int wpas_wps_start_pin(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1300 const char *pin
, int p2p_group
, u16 dev_pw_id
)
1302 os_get_reltime(&wpa_s
->wps_pin_start_time
);
1303 return wpas_wps_start_dev_pw(wpa_s
, NULL
, bssid
, pin
, p2p_group
,
1304 dev_pw_id
, NULL
, NULL
, 0, 0);
1308 void wpas_wps_pbc_overlap(struct wpa_supplicant
*wpa_s
)
1310 union wps_event_data data
;
1312 os_memset(&data
, 0, sizeof(data
));
1313 data
.fail
.config_error
= WPS_CFG_MULTIPLE_PBC_DETECTED
;
1314 data
.fail
.error_indication
= WPS_EI_NO_ERROR
;
1316 * Call wpas_notify_wps_event_fail() directly instead of through
1317 * wpa_supplicant_wps_event() which would end up registering unnecessary
1318 * timeouts (those are only for the case where the failure happens
1319 * during an EAP-WSC exchange).
1321 wpas_notify_wps_event_fail(wpa_s
, &data
.fail
);
1324 /* Cancel the wps pbc/pin requests */
1325 int wpas_wps_cancel(struct wpa_supplicant
*wpa_s
)
1328 if (wpa_s
->ap_iface
) {
1329 wpa_printf(MSG_DEBUG
, "WPS: Cancelling in AP mode");
1330 return wpa_supplicant_ap_wps_cancel(wpa_s
);
1332 #endif /* CONFIG_AP */
1334 if (wpa_s
->wpa_state
== WPA_SCANNING
||
1335 wpa_s
->wpa_state
== WPA_DISCONNECTED
) {
1336 wpa_printf(MSG_DEBUG
, "WPS: Cancel operation - cancel scan");
1337 wpa_supplicant_cancel_scan(wpa_s
);
1338 wpas_clear_wps(wpa_s
);
1339 } else if (wpa_s
->wpa_state
>= WPA_ASSOCIATED
) {
1340 wpa_printf(MSG_DEBUG
, "WPS: Cancel operation - "
1342 wpa_s
->own_disconnect_req
= 1;
1343 wpa_supplicant_deauthenticate(wpa_s
,
1344 WLAN_REASON_DEAUTH_LEAVING
);
1345 wpas_clear_wps(wpa_s
);
1347 wpas_wps_reenable_networks(wpa_s
);
1348 wpas_wps_clear_ap_info(wpa_s
);
1349 if (eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
) >
1351 wpas_clear_wps(wpa_s
);
1354 wpa_s
->after_wps
= 0;
1360 int wpas_wps_start_reg(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1361 const char *pin
, struct wps_new_ap_settings
*settings
)
1363 struct wpa_ssid
*ssid
;
1369 if (wpa_s
->ap_iface
) {
1370 wpa_printf(MSG_DEBUG
,
1371 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1374 #endif /* CONFIG_AP */
1377 wpas_clear_wps(wpa_s
);
1378 ssid
= wpas_wps_add_network(wpa_s
, 1, NULL
, bssid
);
1381 ssid
->temporary
= 1;
1383 end
= pos
+ sizeof(val
);
1384 res
= os_snprintf(pos
, end
- pos
, "\"pin=%s", pin
);
1385 if (os_snprintf_error(end
- pos
, res
))
1389 res
= os_snprintf(pos
, end
- pos
, " new_ssid=%s new_auth=%s "
1390 "new_encr=%s new_key=%s",
1391 settings
->ssid_hex
, settings
->auth
,
1392 settings
->encr
, settings
->key_hex
);
1393 if (os_snprintf_error(end
- pos
, res
))
1397 res
= os_snprintf(pos
, end
- pos
, "\"");
1398 if (os_snprintf_error(end
- pos
, res
))
1400 if (wpa_config_set(ssid
, "phase1", val
, 0) < 0)
1402 if (wpa_s
->wps_fragment_size
)
1403 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1404 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1406 wpas_wps_reassoc(wpa_s
, ssid
, bssid
, 0);
1411 static int wpas_wps_new_psk_cb(void *ctx
, const u8
*mac_addr
,
1412 const u8
*p2p_dev_addr
, const u8
*psk
,
1415 if (is_zero_ether_addr(p2p_dev_addr
)) {
1416 wpa_printf(MSG_DEBUG
,
1417 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
,
1420 wpa_printf(MSG_DEBUG
,
1421 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1422 " P2P Device Addr " MACSTR
,
1423 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
1425 wpa_hexdump_key(MSG_DEBUG
, "Per-device PSK", psk
, psk_len
);
1433 static void wpas_wps_pin_needed_cb(void *ctx
, const u8
*uuid_e
,
1434 const struct wps_device_data
*dev
)
1436 char uuid
[40], txt
[400];
1438 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
1439 if (uuid_bin2str(uuid_e
, uuid
, sizeof(uuid
)))
1441 wpa_printf(MSG_DEBUG
, "WPS: PIN needed for UUID-E %s", uuid
);
1442 len
= os_snprintf(txt
, sizeof(txt
), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1443 " [%s|%s|%s|%s|%s|%s]",
1444 uuid
, MAC2STR(dev
->mac_addr
), dev
->device_name
,
1445 dev
->manufacturer
, dev
->model_name
,
1446 dev
->model_number
, dev
->serial_number
,
1447 wps_dev_type_bin2str(dev
->pri_dev_type
, devtype
,
1449 if (!os_snprintf_error(sizeof(txt
), len
))
1450 wpa_printf(MSG_INFO
, "%s", txt
);
1454 static void wpas_wps_set_sel_reg_cb(void *ctx
, int sel_reg
, u16 dev_passwd_id
,
1455 u16 sel_reg_config_methods
)
1457 #ifdef CONFIG_WPS_ER
1458 struct wpa_supplicant
*wpa_s
= ctx
;
1460 if (wpa_s
->wps_er
== NULL
)
1462 wpa_printf(MSG_DEBUG
, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1463 "dev_password_id=%u sel_reg_config_methods=0x%x",
1464 sel_reg
, dev_passwd_id
, sel_reg_config_methods
);
1465 wps_er_set_sel_reg(wpa_s
->wps_er
, sel_reg
, dev_passwd_id
,
1466 sel_reg_config_methods
);
1467 #endif /* CONFIG_WPS_ER */
1471 static u16
wps_fix_config_methods(u16 config_methods
)
1473 if ((config_methods
&
1474 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_VIRT_DISPLAY
|
1475 WPS_CONFIG_PHY_DISPLAY
)) == WPS_CONFIG_DISPLAY
) {
1476 wpa_printf(MSG_INFO
, "WPS: Converting display to "
1477 "virtual_display for WPS 2.0 compliance");
1478 config_methods
|= WPS_CONFIG_VIRT_DISPLAY
;
1480 if ((config_methods
&
1481 (WPS_CONFIG_PUSHBUTTON
| WPS_CONFIG_VIRT_PUSHBUTTON
|
1482 WPS_CONFIG_PHY_PUSHBUTTON
)) == WPS_CONFIG_PUSHBUTTON
) {
1483 wpa_printf(MSG_INFO
, "WPS: Converting push_button to "
1484 "virtual_push_button for WPS 2.0 compliance");
1485 config_methods
|= WPS_CONFIG_VIRT_PUSHBUTTON
;
1488 return config_methods
;
1492 static void wpas_wps_set_uuid(struct wpa_supplicant
*wpa_s
,
1493 struct wps_context
*wps
)
1498 if (is_nil_uuid(wpa_s
->conf
->uuid
)) {
1499 struct wpa_supplicant
*first
;
1500 first
= wpa_s
->global
->ifaces
;
1501 while (first
&& first
->next
)
1502 first
= first
->next
;
1503 if (first
&& first
!= wpa_s
) {
1504 if (wps
!= wpa_s
->global
->ifaces
->wps
)
1505 os_memcpy(wps
->uuid
,
1506 wpa_s
->global
->ifaces
->wps
->uuid
,
1508 src
= "from the first interface";
1509 } else if (wpa_s
->conf
->auto_uuid
== 1) {
1510 uuid_random(wps
->uuid
);
1511 src
= "based on random data";
1513 uuid_gen_mac_addr(wpa_s
->own_addr
, wps
->uuid
);
1514 src
= "based on MAC address";
1517 os_memcpy(wps
->uuid
, wpa_s
->conf
->uuid
, WPS_UUID_LEN
);
1518 src
= "based on configuration";
1521 uuid_bin2str(wps
->uuid
, buf
, sizeof(buf
));
1522 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPS: UUID %s: %s", src
, buf
);
1526 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant
*wpa_s
,
1527 struct wps_context
*wps
)
1529 wpabuf_free(wps
->dev
.vendor_ext_m1
);
1530 wps
->dev
.vendor_ext_m1
= NULL
;
1532 if (wpa_s
->conf
->wps_vendor_ext_m1
) {
1533 wps
->dev
.vendor_ext_m1
=
1534 wpabuf_dup(wpa_s
->conf
->wps_vendor_ext_m1
);
1535 if (!wps
->dev
.vendor_ext_m1
) {
1536 wpa_printf(MSG_ERROR
, "WPS: Cannot "
1537 "allocate memory for vendor_ext_m1");
1543 int wpas_wps_init(struct wpa_supplicant
*wpa_s
)
1545 struct wps_context
*wps
;
1546 struct wps_registrar_config rcfg
;
1547 struct hostapd_hw_modes
*modes
;
1550 wps
= os_zalloc(sizeof(*wps
));
1554 wps
->cred_cb
= wpa_supplicant_wps_cred
;
1555 wps
->event_cb
= wpa_supplicant_wps_event
;
1556 wps
->rf_band_cb
= wpa_supplicant_wps_rf_band
;
1557 wps
->cb_ctx
= wpa_s
;
1559 wps
->dev
.device_name
= wpa_s
->conf
->device_name
;
1560 wps
->dev
.manufacturer
= wpa_s
->conf
->manufacturer
;
1561 wps
->dev
.model_name
= wpa_s
->conf
->model_name
;
1562 wps
->dev
.model_number
= wpa_s
->conf
->model_number
;
1563 wps
->dev
.serial_number
= wpa_s
->conf
->serial_number
;
1564 wps
->config_methods
=
1565 wps_config_methods_str2bin(wpa_s
->conf
->config_methods
);
1566 if ((wps
->config_methods
& (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) ==
1567 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) {
1568 wpa_printf(MSG_ERROR
, "WPS: Both Label and Display config "
1569 "methods are not allowed at the same time");
1573 wps
->config_methods
= wps_fix_config_methods(wps
->config_methods
);
1574 wps
->dev
.config_methods
= wps
->config_methods
;
1575 os_memcpy(wps
->dev
.pri_dev_type
, wpa_s
->conf
->device_type
,
1578 wps
->dev
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
1579 os_memcpy(wps
->dev
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
1580 WPS_DEV_TYPE_LEN
* wps
->dev
.num_sec_dev_types
);
1582 wpas_wps_set_vendor_ext_m1(wpa_s
, wps
);
1584 wps
->dev
.os_version
= WPA_GET_BE32(wpa_s
->conf
->os_version
);
1585 modes
= wpa_s
->hw
.modes
;
1587 for (m
= 0; m
< wpa_s
->hw
.num_modes
; m
++) {
1588 if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211B
||
1589 modes
[m
].mode
== HOSTAPD_MODE_IEEE80211G
)
1590 wps
->dev
.rf_bands
|= WPS_RF_24GHZ
;
1591 else if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211A
)
1592 wps
->dev
.rf_bands
|= WPS_RF_50GHZ
;
1593 else if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211AD
)
1594 wps
->dev
.rf_bands
|= WPS_RF_60GHZ
;
1597 if (wps
->dev
.rf_bands
== 0) {
1599 * Default to claiming support for both bands if the driver
1600 * does not provide support for fetching supported bands.
1602 wps
->dev
.rf_bands
= WPS_RF_24GHZ
| WPS_RF_50GHZ
;
1604 os_memcpy(wps
->dev
.mac_addr
, wpa_s
->own_addr
, ETH_ALEN
);
1605 wpas_wps_set_uuid(wpa_s
, wps
);
1607 wps
->auth_types
= WPS_AUTH_WPA2PSK
| WPS_AUTH_WPAPSK
;
1608 wps
->encr_types
= WPS_ENCR_AES
| WPS_ENCR_TKIP
;
1610 os_memset(&rcfg
, 0, sizeof(rcfg
));
1611 rcfg
.new_psk_cb
= wpas_wps_new_psk_cb
;
1612 rcfg
.pin_needed_cb
= wpas_wps_pin_needed_cb
;
1613 rcfg
.set_sel_reg_cb
= wpas_wps_set_sel_reg_cb
;
1614 rcfg
.cb_ctx
= wpa_s
;
1616 wps
->registrar
= wps_registrar_init(wps
, &rcfg
);
1617 if (wps
->registrar
== NULL
) {
1618 wpa_printf(MSG_DEBUG
, "Failed to initialize WPS Registrar");
1629 #ifdef CONFIG_WPS_ER
1630 static void wpas_wps_nfc_clear(struct wps_context
*wps
)
1632 wps
->ap_nfc_dev_pw_id
= 0;
1633 wpabuf_free(wps
->ap_nfc_dh_pubkey
);
1634 wps
->ap_nfc_dh_pubkey
= NULL
;
1635 wpabuf_free(wps
->ap_nfc_dh_privkey
);
1636 wps
->ap_nfc_dh_privkey
= NULL
;
1637 wpabuf_free(wps
->ap_nfc_dev_pw
);
1638 wps
->ap_nfc_dev_pw
= NULL
;
1640 #endif /* CONFIG_WPS_ER */
1643 void wpas_wps_deinit(struct wpa_supplicant
*wpa_s
)
1645 wpas_wps_assoc_with_cred_cancel(wpa_s
);
1646 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
1647 eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
);
1648 eloop_cancel_timeout(wpas_wps_reenable_networks_cb
, wpa_s
, NULL
);
1649 wpas_wps_clear_ap_info(wpa_s
);
1652 eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb
, wpa_s
, NULL
);
1653 #endif /* CONFIG_P2P */
1655 if (wpa_s
->wps
== NULL
)
1658 #ifdef CONFIG_WPS_ER
1659 wps_er_deinit(wpa_s
->wps_er
, NULL
, NULL
);
1660 wpa_s
->wps_er
= NULL
;
1661 wpas_wps_nfc_clear(wpa_s
->wps
);
1662 #endif /* CONFIG_WPS_ER */
1664 wps_registrar_deinit(wpa_s
->wps
->registrar
);
1665 wpabuf_free(wpa_s
->wps
->dh_pubkey
);
1666 wpabuf_free(wpa_s
->wps
->dh_privkey
);
1667 wpabuf_free(wpa_s
->wps
->dev
.vendor_ext_m1
);
1668 os_free(wpa_s
->wps
->network_key
);
1669 os_free(wpa_s
->wps
);
1674 int wpas_wps_ssid_bss_match(struct wpa_supplicant
*wpa_s
,
1675 struct wpa_ssid
*ssid
, struct wpa_bss
*bss
)
1677 struct wpabuf
*wps_ie
;
1679 if (!(ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))
1682 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1683 if (eap_is_wps_pbc_enrollee(&ssid
->eap
)) {
1685 wpa_printf(MSG_DEBUG
, " skip - non-WPS AP");
1689 if (!wps_is_selected_pbc_registrar(wps_ie
)) {
1690 wpa_printf(MSG_DEBUG
, " skip - WPS AP "
1691 "without active PBC Registrar");
1692 wpabuf_free(wps_ie
);
1696 /* TODO: overlap detection */
1697 wpa_printf(MSG_DEBUG
, " selected based on WPS IE "
1699 wpabuf_free(wps_ie
);
1703 if (eap_is_wps_pin_enrollee(&ssid
->eap
)) {
1705 wpa_printf(MSG_DEBUG
, " skip - non-WPS AP");
1710 * Start with WPS APs that advertise our address as an
1711 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1712 * allow any WPS AP after couple of scans since some APs do not
1713 * set Selected Registrar attribute properly when using
1714 * external Registrar.
1716 if (!wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1)) {
1717 struct os_reltime age
;
1719 os_reltime_age(&wpa_s
->wps_pin_start_time
, &age
);
1721 if (wpa_s
->scan_runs
< WPS_PIN_SCAN_IGNORE_SEL_REG
||
1722 age
.sec
< WPS_PIN_TIME_IGNORE_SEL_REG
) {
1723 wpa_printf(MSG_DEBUG
,
1724 " skip - WPS AP without active PIN Registrar (scan_runs=%d age=%d)",
1725 wpa_s
->scan_runs
, (int) age
.sec
);
1726 wpabuf_free(wps_ie
);
1729 wpa_printf(MSG_DEBUG
, " selected based on WPS IE");
1731 wpa_printf(MSG_DEBUG
, " selected based on WPS IE "
1732 "(Authorized MAC or Active PIN)");
1734 wpabuf_free(wps_ie
);
1739 wpa_printf(MSG_DEBUG
, " selected based on WPS IE");
1740 wpabuf_free(wps_ie
);
1748 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant
*wpa_s
,
1749 struct wpa_ssid
*ssid
,
1750 struct wpa_bss
*bss
)
1752 struct wpabuf
*wps_ie
= NULL
;
1755 if (eap_is_wps_pbc_enrollee(&ssid
->eap
)) {
1756 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1757 if (wps_ie
&& wps_is_selected_pbc_registrar(wps_ie
)) {
1758 /* allow wildcard SSID for WPS PBC */
1761 } else if (eap_is_wps_pin_enrollee(&ssid
->eap
)) {
1762 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1764 (wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1) ||
1765 wpa_s
->scan_runs
>= WPS_PIN_SCAN_IGNORE_SEL_REG
)) {
1766 /* allow wildcard SSID for WPS PIN */
1771 if (!ret
&& ssid
->bssid_set
&&
1772 os_memcmp(ssid
->bssid
, bss
->bssid
, ETH_ALEN
) == 0) {
1773 /* allow wildcard SSID due to hardcoded BSSID match */
1777 #ifdef CONFIG_WPS_STRICT
1779 if (wps_validate_beacon_probe_resp(wps_ie
, bss
->beacon_ie_len
>
1782 if (bss
->beacon_ie_len
) {
1783 struct wpabuf
*bcn_wps
;
1784 bcn_wps
= wpa_bss_get_vendor_ie_multi_beacon(
1785 bss
, WPS_IE_VENDOR_TYPE
);
1786 if (bcn_wps
== NULL
) {
1787 wpa_printf(MSG_DEBUG
, "WPS: Mandatory WPS IE "
1788 "missing from AP Beacon");
1791 if (wps_validate_beacon(wps_ie
) < 0)
1793 wpabuf_free(bcn_wps
);
1797 #endif /* CONFIG_WPS_STRICT */
1799 wpabuf_free(wps_ie
);
1805 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant
*wpa_s
,
1806 struct wpa_bss
*selected
, struct wpa_ssid
*ssid
)
1809 struct wpabuf
*wps_ie
;
1813 if (!eap_is_wps_pbc_enrollee(&ssid
->eap
))
1816 wpa_printf(MSG_DEBUG
, "WPS: Check whether PBC session overlap is "
1817 "present in scan results; selected BSSID " MACSTR
,
1818 MAC2STR(selected
->bssid
));
1820 /* Make sure that only one AP is in active PBC mode */
1821 wps_ie
= wpa_bss_get_vendor_ie_multi(selected
, WPS_IE_VENDOR_TYPE
);
1823 sel_uuid
= wps_get_uuid_e(wps_ie
);
1824 wpa_hexdump(MSG_DEBUG
, "WPS: UUID of the selected BSS",
1825 sel_uuid
, UUID_LEN
);
1827 wpa_printf(MSG_DEBUG
, "WPS: Selected BSS does not include "
1832 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
1833 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
1835 if (!ap
->pbc_active
||
1836 os_memcmp(selected
->bssid
, ap
->bssid
, ETH_ALEN
) == 0)
1839 wpa_printf(MSG_DEBUG
, "WPS: Another BSS in active PBC mode: "
1840 MACSTR
, MAC2STR(ap
->bssid
));
1841 wpa_hexdump(MSG_DEBUG
, "WPS: UUID of the other BSS",
1842 ap
->uuid
, UUID_LEN
);
1843 if (sel_uuid
== NULL
||
1844 os_memcmp(sel_uuid
, ap
->uuid
, UUID_LEN
) != 0) {
1845 ret
= 1; /* PBC overlap */
1846 wpa_msg(wpa_s
, MSG_INFO
, "WPS: PBC overlap detected: "
1847 MACSTR
" and " MACSTR
,
1848 MAC2STR(selected
->bssid
),
1849 MAC2STR(ap
->bssid
));
1853 /* TODO: verify that this is reasonable dual-band situation */
1856 wpabuf_free(wps_ie
);
1862 void wpas_wps_notify_scan_results(struct wpa_supplicant
*wpa_s
)
1864 struct wpa_bss
*bss
;
1865 unsigned int pbc
= 0, auth
= 0, pin
= 0, wps
= 0;
1867 if (wpa_s
->disconnected
|| wpa_s
->wpa_state
>= WPA_ASSOCIATED
)
1870 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1872 ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1875 if (wps_is_selected_pbc_registrar(ie
))
1877 else if (wps_is_addr_authorized(ie
, wpa_s
->own_addr
, 0))
1879 else if (wps_is_selected_pin_registrar(ie
))
1887 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_PBC
);
1889 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_AUTH
);
1891 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_PIN
);
1893 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE
);
1897 int wpas_wps_searching(struct wpa_supplicant
*wpa_s
)
1899 struct wpa_ssid
*ssid
;
1901 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1902 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) && !ssid
->disabled
)
1910 int wpas_wps_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
1913 struct wpabuf
*wps_ie
;
1916 wps_ie
= ieee802_11_vendor_ie_concat(ies
, ies_len
, WPS_DEV_OUI_WFA
);
1920 ret
= wps_attr_text(wps_ie
, buf
, end
);
1921 wpabuf_free(wps_ie
);
1926 int wpas_wps_er_start(struct wpa_supplicant
*wpa_s
, const char *filter
)
1928 #ifdef CONFIG_WPS_ER
1929 if (wpa_s
->wps_er
) {
1930 wps_er_refresh(wpa_s
->wps_er
);
1933 wpa_s
->wps_er
= wps_er_init(wpa_s
->wps
, wpa_s
->ifname
, filter
);
1934 if (wpa_s
->wps_er
== NULL
)
1937 #else /* CONFIG_WPS_ER */
1939 #endif /* CONFIG_WPS_ER */
1943 void wpas_wps_er_stop(struct wpa_supplicant
*wpa_s
)
1945 #ifdef CONFIG_WPS_ER
1946 wps_er_deinit(wpa_s
->wps_er
, NULL
, NULL
);
1947 wpa_s
->wps_er
= NULL
;
1948 #endif /* CONFIG_WPS_ER */
1952 #ifdef CONFIG_WPS_ER
1953 int wpas_wps_er_add_pin(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
1954 const char *uuid
, const char *pin
)
1957 const u8
*use_uuid
= NULL
;
1958 u8 addr_buf
[ETH_ALEN
];
1960 if (os_strcmp(uuid
, "any") == 0) {
1961 } else if (uuid_str2bin(uuid
, u
) == 0) {
1963 } else if (hwaddr_aton(uuid
, addr_buf
) == 0) {
1964 use_uuid
= wps_er_get_sta_uuid(wpa_s
->wps_er
, addr_buf
);
1965 if (use_uuid
== NULL
)
1969 return wps_registrar_add_pin(wpa_s
->wps
->registrar
, addr
,
1971 (const u8
*) pin
, os_strlen(pin
), 300);
1975 int wpas_wps_er_pbc(struct wpa_supplicant
*wpa_s
, const char *uuid
)
1977 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
1978 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
1980 if (uuid_str2bin(uuid
, u
) == 0)
1982 else if (hwaddr_aton(uuid
, addr
) == 0)
1986 return wps_er_pbc(wpa_s
->wps_er
, use_uuid
, use_addr
);
1990 int wpas_wps_er_learn(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1993 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
1994 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
1996 if (uuid_str2bin(uuid
, u
) == 0)
1998 else if (hwaddr_aton(uuid
, addr
) == 0)
2003 return wps_er_learn(wpa_s
->wps_er
, use_uuid
, use_addr
, (const u8
*) pin
,
2008 static int wpas_wps_network_to_cred(struct wpa_ssid
*ssid
,
2009 struct wps_credential
*cred
)
2011 os_memset(cred
, 0, sizeof(*cred
));
2012 if (ssid
->ssid_len
> SSID_MAX_LEN
)
2014 os_memcpy(cred
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
2015 cred
->ssid_len
= ssid
->ssid_len
;
2016 if (ssid
->key_mgmt
& WPA_KEY_MGMT_PSK
) {
2017 cred
->auth_type
= (ssid
->proto
& WPA_PROTO_RSN
) ?
2018 WPS_AUTH_WPA2PSK
: WPS_AUTH_WPAPSK
;
2019 if (ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
)
2020 cred
->encr_type
= WPS_ENCR_AES
;
2022 cred
->encr_type
= WPS_ENCR_TKIP
;
2023 if (ssid
->passphrase
) {
2024 cred
->key_len
= os_strlen(ssid
->passphrase
);
2025 if (cred
->key_len
>= 64)
2027 os_memcpy(cred
->key
, ssid
->passphrase
, cred
->key_len
);
2028 } else if (ssid
->psk_set
) {
2030 os_memcpy(cred
->key
, ssid
->psk
, 32);
2034 cred
->auth_type
= WPS_AUTH_OPEN
;
2035 cred
->encr_type
= WPS_ENCR_NONE
;
2042 int wpas_wps_er_set_config(struct wpa_supplicant
*wpa_s
, const char *uuid
,
2045 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
2046 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
2047 struct wpa_ssid
*ssid
;
2048 struct wps_credential cred
;
2051 if (uuid_str2bin(uuid
, u
) == 0)
2053 else if (hwaddr_aton(uuid
, addr
) == 0)
2057 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
2058 if (ssid
== NULL
|| ssid
->ssid
== NULL
)
2061 if (wpas_wps_network_to_cred(ssid
, &cred
) < 0)
2063 ret
= wps_er_set_config(wpa_s
->wps_er
, use_uuid
, use_addr
, &cred
);
2064 os_memset(&cred
, 0, sizeof(cred
));
2069 int wpas_wps_er_config(struct wpa_supplicant
*wpa_s
, const char *uuid
,
2070 const char *pin
, struct wps_new_ap_settings
*settings
)
2072 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
2073 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
2074 struct wps_credential cred
;
2077 if (uuid_str2bin(uuid
, u
) == 0)
2079 else if (hwaddr_aton(uuid
, addr
) == 0)
2083 if (settings
->ssid_hex
== NULL
|| settings
->auth
== NULL
||
2084 settings
->encr
== NULL
|| settings
->key_hex
== NULL
)
2087 os_memset(&cred
, 0, sizeof(cred
));
2088 len
= os_strlen(settings
->ssid_hex
);
2089 if ((len
& 1) || len
> 2 * sizeof(cred
.ssid
) ||
2090 hexstr2bin(settings
->ssid_hex
, cred
.ssid
, len
/ 2))
2092 cred
.ssid_len
= len
/ 2;
2094 len
= os_strlen(settings
->key_hex
);
2095 if ((len
& 1) || len
> 2 * sizeof(cred
.key
) ||
2096 hexstr2bin(settings
->key_hex
, cred
.key
, len
/ 2))
2098 cred
.key_len
= len
/ 2;
2100 if (os_strcmp(settings
->auth
, "OPEN") == 0)
2101 cred
.auth_type
= WPS_AUTH_OPEN
;
2102 else if (os_strcmp(settings
->auth
, "WPAPSK") == 0)
2103 cred
.auth_type
= WPS_AUTH_WPAPSK
;
2104 else if (os_strcmp(settings
->auth
, "WPA2PSK") == 0)
2105 cred
.auth_type
= WPS_AUTH_WPA2PSK
;
2109 if (os_strcmp(settings
->encr
, "NONE") == 0)
2110 cred
.encr_type
= WPS_ENCR_NONE
;
2111 #ifdef CONFIG_TESTING_OPTIONS
2112 else if (os_strcmp(settings
->encr
, "WEP") == 0)
2113 cred
.encr_type
= WPS_ENCR_WEP
;
2114 #endif /* CONFIG_TESTING_OPTIONS */
2115 else if (os_strcmp(settings
->encr
, "TKIP") == 0)
2116 cred
.encr_type
= WPS_ENCR_TKIP
;
2117 else if (os_strcmp(settings
->encr
, "CCMP") == 0)
2118 cred
.encr_type
= WPS_ENCR_AES
;
2122 return wps_er_config(wpa_s
->wps_er
, use_uuid
, use_addr
,
2123 (const u8
*) pin
, os_strlen(pin
), &cred
);
2127 #ifdef CONFIG_WPS_NFC
2128 struct wpabuf
* wpas_wps_er_nfc_config_token(struct wpa_supplicant
*wpa_s
,
2129 int ndef
, const char *uuid
)
2132 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
2133 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
2138 if (uuid_str2bin(uuid
, u
) == 0)
2140 else if (hwaddr_aton(uuid
, addr
) == 0)
2145 ret
= wps_er_nfc_config_token(wpa_s
->wps_er
, use_uuid
, use_addr
);
2148 tmp
= ndef_build_wifi(ret
);
2157 #endif /* CONFIG_WPS_NFC */
2160 static int callbacks_pending
= 0;
2162 static void wpas_wps_terminate_cb(void *ctx
)
2164 wpa_printf(MSG_DEBUG
, "WPS ER: Terminated");
2165 if (--callbacks_pending
<= 0)
2168 #endif /* CONFIG_WPS_ER */
2171 int wpas_wps_terminate_pending(struct wpa_supplicant
*wpa_s
)
2173 #ifdef CONFIG_WPS_ER
2174 if (wpa_s
->wps_er
) {
2175 callbacks_pending
++;
2176 wps_er_deinit(wpa_s
->wps_er
, wpas_wps_terminate_cb
, wpa_s
);
2177 wpa_s
->wps_er
= NULL
;
2180 #endif /* CONFIG_WPS_ER */
2185 void wpas_wps_update_config(struct wpa_supplicant
*wpa_s
)
2187 struct wps_context
*wps
= wpa_s
->wps
;
2192 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
) {
2193 wps
->config_methods
= wps_config_methods_str2bin(
2194 wpa_s
->conf
->config_methods
);
2195 if ((wps
->config_methods
&
2196 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) ==
2197 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) {
2198 wpa_printf(MSG_ERROR
, "WPS: Both Label and Display "
2199 "config methods are not allowed at the "
2201 wps
->config_methods
&= ~WPS_CONFIG_LABEL
;
2204 wps
->config_methods
= wps_fix_config_methods(wps
->config_methods
);
2205 wps
->dev
.config_methods
= wps
->config_methods
;
2207 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
2208 os_memcpy(wps
->dev
.pri_dev_type
, wpa_s
->conf
->device_type
,
2211 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
) {
2212 wps
->dev
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
2213 os_memcpy(wps
->dev
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
2214 wps
->dev
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
2217 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
)
2218 wpas_wps_set_vendor_ext_m1(wpa_s
, wps
);
2220 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_OS_VERSION
)
2221 wps
->dev
.os_version
= WPA_GET_BE32(wpa_s
->conf
->os_version
);
2223 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
)
2224 wpas_wps_set_uuid(wpa_s
, wps
);
2226 if (wpa_s
->conf
->changed_parameters
&
2227 (CFG_CHANGED_DEVICE_NAME
| CFG_CHANGED_WPS_STRING
)) {
2228 /* Update pointers to make sure they refer current values */
2229 wps
->dev
.device_name
= wpa_s
->conf
->device_name
;
2230 wps
->dev
.manufacturer
= wpa_s
->conf
->manufacturer
;
2231 wps
->dev
.model_name
= wpa_s
->conf
->model_name
;
2232 wps
->dev
.model_number
= wpa_s
->conf
->model_number
;
2233 wps
->dev
.serial_number
= wpa_s
->conf
->serial_number
;
2238 #ifdef CONFIG_WPS_NFC
2240 #ifdef CONFIG_WPS_ER
2241 static struct wpabuf
*
2242 wpas_wps_network_config_token(struct wpa_supplicant
*wpa_s
, int ndef
,
2243 struct wpa_ssid
*ssid
)
2246 struct wps_credential cred
;
2248 if (wpas_wps_network_to_cred(ssid
, &cred
) < 0)
2251 ret
= wps_er_config_token_from_cred(wpa_s
->wps
, &cred
);
2255 tmp
= ndef_build_wifi(ret
);
2264 #endif /* CONFIG_WPS_ER */
2267 struct wpabuf
* wpas_wps_nfc_config_token(struct wpa_supplicant
*wpa_s
,
2268 int ndef
, const char *id_str
)
2270 #ifdef CONFIG_WPS_ER
2274 struct wpa_ssid
*ssid
;
2276 id
= strtol(id_str
, &end
, 10);
2280 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
2283 return wpas_wps_network_config_token(wpa_s
, ndef
, ssid
);
2285 #endif /* CONFIG_WPS_ER */
2287 if (wpa_s
->ap_iface
)
2288 return wpas_ap_wps_nfc_config_token(wpa_s
, ndef
);
2289 #endif /* CONFIG_AP */
2294 struct wpabuf
* wpas_wps_nfc_token(struct wpa_supplicant
*wpa_s
, int ndef
)
2296 if (wpa_s
->conf
->wps_nfc_pw_from_config
) {
2297 return wps_nfc_token_build(ndef
,
2298 wpa_s
->conf
->wps_nfc_dev_pw_id
,
2299 wpa_s
->conf
->wps_nfc_dh_pubkey
,
2300 wpa_s
->conf
->wps_nfc_dev_pw
);
2303 return wps_nfc_token_gen(ndef
, &wpa_s
->conf
->wps_nfc_dev_pw_id
,
2304 &wpa_s
->conf
->wps_nfc_dh_pubkey
,
2305 &wpa_s
->conf
->wps_nfc_dh_privkey
,
2306 &wpa_s
->conf
->wps_nfc_dev_pw
);
2310 int wpas_wps_start_nfc(struct wpa_supplicant
*wpa_s
, const u8
*go_dev_addr
,
2312 const struct wpabuf
*dev_pw
, u16 dev_pw_id
,
2313 int p2p_group
, const u8
*peer_pubkey_hash
,
2314 const u8
*ssid
, size_t ssid_len
, int freq
)
2316 struct wps_context
*wps
= wpa_s
->wps
;
2317 char pw
[32 * 2 + 1];
2319 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
&& dev_pw
== NULL
) {
2320 dev_pw
= wpa_s
->conf
->wps_nfc_dev_pw
;
2321 dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
2324 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
2325 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
) {
2326 wpa_printf(MSG_DEBUG
, "WPS: Missing DH params - "
2327 "cannot start NFC-triggered connection");
2331 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
&& dev_pw
== NULL
) {
2332 wpa_printf(MSG_DEBUG
, "WPS: Missing Device Password (id=%u) - "
2333 "cannot start NFC-triggered connection", dev_pw_id
);
2337 dh5_free(wps
->dh_ctx
);
2338 wpabuf_free(wps
->dh_pubkey
);
2339 wpabuf_free(wps
->dh_privkey
);
2340 wps
->dh_privkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
2341 wps
->dh_pubkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
2342 if (wps
->dh_privkey
== NULL
|| wps
->dh_pubkey
== NULL
) {
2344 wpabuf_free(wps
->dh_pubkey
);
2345 wps
->dh_pubkey
= NULL
;
2346 wpabuf_free(wps
->dh_privkey
);
2347 wps
->dh_privkey
= NULL
;
2348 wpa_printf(MSG_DEBUG
, "WPS: Failed to get DH priv/pub key");
2351 wps
->dh_ctx
= dh5_init_fixed(wps
->dh_privkey
, wps
->dh_pubkey
);
2352 if (wps
->dh_ctx
== NULL
) {
2353 wpabuf_free(wps
->dh_pubkey
);
2354 wps
->dh_pubkey
= NULL
;
2355 wpabuf_free(wps
->dh_privkey
);
2356 wps
->dh_privkey
= NULL
;
2357 wpa_printf(MSG_DEBUG
, "WPS: Failed to initialize DH context");
2362 wpa_snprintf_hex_uppercase(pw
, sizeof(pw
),
2363 wpabuf_head(dev_pw
),
2364 wpabuf_len(dev_pw
));
2366 return wpas_wps_start_dev_pw(wpa_s
, go_dev_addr
, bssid
,
2368 p2p_group
, dev_pw_id
, peer_pubkey_hash
,
2369 ssid
, ssid_len
, freq
);
2373 static int wpas_wps_use_cred(struct wpa_supplicant
*wpa_s
,
2374 struct wps_parse_attr
*attr
)
2377 * Disable existing networks temporarily to allow the newly learned
2378 * credential to be preferred. Enable the temporarily disabled networks
2381 wpas_wps_temp_disable(wpa_s
, NULL
);
2382 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb
, wpa_s
,
2385 if (wps_oob_use_cred(wpa_s
->wps
, attr
) < 0)
2388 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
2391 if (attr
->ap_channel
) {
2392 u16 chan
= WPA_GET_BE16(attr
->ap_channel
);
2395 if (chan
>= 1 && chan
<= 13)
2396 freq
= 2407 + 5 * chan
;
2397 else if (chan
== 14)
2399 else if (chan
>= 30)
2400 freq
= 5000 + 5 * chan
;
2403 wpa_printf(MSG_DEBUG
, "WPS: Credential container indicated AP channel %u -> %u MHz",
2405 wpa_s
->after_wps
= 5;
2406 wpa_s
->wps_freq
= freq
;
2410 wpa_printf(MSG_DEBUG
, "WPS: Request reconnection with new network "
2411 "based on the received credential added");
2412 wpa_s
->normal_scans
= 0;
2413 wpa_supplicant_reinit_autoscan(wpa_s
);
2414 wpa_s
->disconnected
= 0;
2415 wpa_s
->reassociate
= 1;
2417 wpa_supplicant_cancel_sched_scan(wpa_s
);
2418 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2424 #ifdef CONFIG_WPS_ER
2425 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant
*wpa_s
,
2426 struct wps_parse_attr
*attr
)
2428 return wps_registrar_add_nfc_password_token(
2429 wpa_s
->wps
->registrar
, attr
->oob_dev_password
,
2430 attr
->oob_dev_password_len
);
2432 #endif /* CONFIG_WPS_ER */
2435 static int wpas_wps_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
2436 const struct wpabuf
*wps
)
2438 struct wps_parse_attr attr
;
2440 wpa_hexdump_buf(MSG_DEBUG
, "WPS: Received NFC tag payload", wps
);
2442 if (wps_parse_msg(wps
, &attr
)) {
2443 wpa_printf(MSG_DEBUG
, "WPS: Ignore invalid data from NFC tag");
2448 return wpas_wps_use_cred(wpa_s
, &attr
);
2450 #ifdef CONFIG_WPS_ER
2451 if (attr
.oob_dev_password
)
2452 return wpas_wps_add_nfc_password_token(wpa_s
, &attr
);
2453 #endif /* CONFIG_WPS_ER */
2455 wpa_printf(MSG_DEBUG
, "WPS: Ignore unrecognized NFC tag");
2460 int wpas_wps_nfc_tag_read(struct wpa_supplicant
*wpa_s
,
2461 const struct wpabuf
*data
, int forced_freq
)
2463 const struct wpabuf
*wps
= data
;
2464 struct wpabuf
*tmp
= NULL
;
2467 if (wpabuf_len(data
) < 4)
2470 if (*wpabuf_head_u8(data
) != 0x10) {
2471 /* Assume this contains full NDEF record */
2472 tmp
= ndef_parse_wifi(data
);
2475 tmp
= ndef_parse_p2p(data
);
2477 ret
= wpas_p2p_nfc_tag_process(wpa_s
, tmp
,
2482 #endif /* CONFIG_P2P */
2483 wpa_printf(MSG_DEBUG
, "WPS: Could not parse NDEF");
2489 ret
= wpas_wps_nfc_tag_process(wpa_s
, wps
);
2495 struct wpabuf
* wpas_wps_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
2500 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
2501 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
2502 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
2505 ret
= wps_build_nfc_handover_req(wpa_s
->wps
,
2506 wpa_s
->conf
->wps_nfc_dh_pubkey
);
2510 tmp
= ndef_build_wifi(ret
);
2521 #ifdef CONFIG_WPS_NFC
2523 static struct wpabuf
*
2524 wpas_wps_er_nfc_handover_sel(struct wpa_supplicant
*wpa_s
, int ndef
,
2527 #ifdef CONFIG_WPS_ER
2529 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
2530 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
2531 struct wps_context
*wps
= wpa_s
->wps
;
2538 if (uuid_str2bin(uuid
, u
) == 0)
2540 else if (hwaddr_aton(uuid
, addr
) == 0)
2545 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
) {
2546 if (wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
2547 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
2551 wpas_wps_nfc_clear(wps
);
2552 wps
->ap_nfc_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
2553 wps
->ap_nfc_dh_pubkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
2554 wps
->ap_nfc_dh_privkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
2555 if (!wps
->ap_nfc_dh_pubkey
|| !wps
->ap_nfc_dh_privkey
) {
2556 wpas_wps_nfc_clear(wps
);
2560 ret
= wps_er_nfc_handover_sel(wpa_s
->wps_er
, wpa_s
->wps
, use_uuid
,
2561 use_addr
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
2564 tmp
= ndef_build_wifi(ret
);
2572 #else /* CONFIG_WPS_ER */
2574 #endif /* CONFIG_WPS_ER */
2576 #endif /* CONFIG_WPS_NFC */
2579 struct wpabuf
* wpas_wps_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
2580 int ndef
, int cr
, const char *uuid
)
2585 ret
= wpas_ap_wps_nfc_handover_sel(wpa_s
, ndef
);
2588 return wpas_wps_er_nfc_handover_sel(wpa_s
, ndef
, uuid
);
2592 static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant
*wpa_s
,
2593 const struct wpabuf
*data
)
2600 struct wps_parse_attr attr
;
2602 const u8
*bssid
= NULL
;
2605 wps
= ndef_parse_wifi(data
);
2608 wpa_printf(MSG_DEBUG
, "WPS: Received application/vnd.wfa.wsc "
2609 "payload from NFC connection handover");
2610 wpa_hexdump_buf(MSG_DEBUG
, "WPS: NFC payload", wps
);
2611 if (wpabuf_len(wps
) < 2) {
2612 wpa_printf(MSG_DEBUG
, "WPS: Too short Wi-Fi Handover Select "
2616 pos
= wpabuf_head(wps
);
2617 wsc_len
= WPA_GET_BE16(pos
);
2618 if (wsc_len
> wpabuf_len(wps
) - 2) {
2619 wpa_printf(MSG_DEBUG
, "WPS: Invalid WSC attribute length (%u) "
2620 "in Wi-Fi Handover Select Message", wsc_len
);
2625 wpa_hexdump(MSG_DEBUG
,
2626 "WPS: WSC attributes in Wi-Fi Handover Select Message",
2628 if (wsc_len
< wpabuf_len(wps
) - 2) {
2629 wpa_hexdump(MSG_DEBUG
,
2630 "WPS: Ignore extra data after WSC attributes",
2631 pos
+ wsc_len
, wpabuf_len(wps
) - 2 - wsc_len
);
2634 wpabuf_set(&msg
, pos
, wsc_len
);
2635 ret
= wps_parse_msg(&msg
, &attr
);
2637 wpa_printf(MSG_DEBUG
, "WPS: Could not parse WSC attributes in "
2638 "Wi-Fi Handover Select Message");
2642 if (attr
.oob_dev_password
== NULL
||
2643 attr
.oob_dev_password_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
2644 wpa_printf(MSG_DEBUG
, "WPS: No Out-of-Band Device Password "
2645 "included in Wi-Fi Handover Select Message");
2650 if (attr
.ssid
== NULL
) {
2651 wpa_printf(MSG_DEBUG
, "WPS: No SSID included in Wi-Fi Handover "
2657 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: SSID", attr
.ssid
, attr
.ssid_len
);
2659 if (attr
.mac_addr
) {
2660 bssid
= attr
.mac_addr
;
2661 wpa_printf(MSG_DEBUG
, "WPS: MAC Address (BSSID): " MACSTR
,
2666 wpa_printf(MSG_DEBUG
, "WPS: RF Bands: %d", *attr
.rf_bands
);
2668 if (attr
.ap_channel
) {
2669 u16 chan
= WPA_GET_BE16(attr
.ap_channel
);
2671 wpa_printf(MSG_DEBUG
, "WPS: AP Channel: %d", chan
);
2673 if (chan
>= 1 && chan
<= 13 &&
2674 (attr
.rf_bands
== NULL
|| *attr
.rf_bands
& WPS_RF_24GHZ
))
2675 freq
= 2407 + 5 * chan
;
2676 else if (chan
== 14 &&
2677 (attr
.rf_bands
== NULL
||
2678 *attr
.rf_bands
& WPS_RF_24GHZ
))
2680 else if (chan
>= 30 &&
2681 (attr
.rf_bands
== NULL
||
2682 *attr
.rf_bands
& WPS_RF_50GHZ
))
2683 freq
= 5000 + 5 * chan
;
2684 else if (chan
>= 1 && chan
<= 4 &&
2685 (attr
.rf_bands
== NULL
||
2686 *attr
.rf_bands
& WPS_RF_60GHZ
))
2687 freq
= 56160 + 2160 * chan
;
2690 wpa_printf(MSG_DEBUG
,
2691 "WPS: AP indicated channel %u -> %u MHz",
2696 wpa_hexdump(MSG_DEBUG
, "WPS: Out-of-Band Device Password",
2697 attr
.oob_dev_password
, attr
.oob_dev_password_len
);
2698 dev_pw_id
= WPA_GET_BE16(attr
.oob_dev_password
+
2699 WPS_OOB_PUBKEY_HASH_LEN
);
2700 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
) {
2701 wpa_printf(MSG_DEBUG
, "WPS: Unexpected OOB Device Password ID "
2702 "%u in Wi-Fi Handover Select Message", dev_pw_id
);
2706 wpa_hexdump(MSG_DEBUG
, "WPS: AP Public Key hash",
2707 attr
.oob_dev_password
, WPS_OOB_PUBKEY_HASH_LEN
);
2709 ret
= wpas_wps_start_nfc(wpa_s
, NULL
, bssid
, NULL
, dev_pw_id
, 0,
2710 attr
.oob_dev_password
,
2711 attr
.ssid
, attr
.ssid_len
, freq
);
2719 int wpas_wps_nfc_report_handover(struct wpa_supplicant
*wpa_s
,
2720 const struct wpabuf
*req
,
2721 const struct wpabuf
*sel
)
2723 wpa_printf(MSG_DEBUG
, "NFC: WPS connection handover reported");
2724 wpa_hexdump_buf_key(MSG_DEBUG
, "WPS: Carrier record in request", req
);
2725 wpa_hexdump_buf_key(MSG_DEBUG
, "WPS: Carrier record in select", sel
);
2726 return wpas_wps_nfc_rx_handover_sel(wpa_s
, sel
);
2730 int wpas_er_wps_nfc_report_handover(struct wpa_supplicant
*wpa_s
,
2731 const struct wpabuf
*req
,
2732 const struct wpabuf
*sel
)
2739 struct wps_parse_attr attr
;
2743 * Enrollee/station is always initiator of the NFC connection handover,
2744 * so use the request message here to find Enrollee public key hash.
2746 wps
= ndef_parse_wifi(req
);
2749 wpa_printf(MSG_DEBUG
, "WPS: Received application/vnd.wfa.wsc "
2750 "payload from NFC connection handover");
2751 wpa_hexdump_buf(MSG_DEBUG
, "WPS: NFC payload", wps
);
2752 if (wpabuf_len(wps
) < 2) {
2753 wpa_printf(MSG_DEBUG
, "WPS: Too short Wi-Fi Handover Request "
2757 pos
= wpabuf_head(wps
);
2758 wsc_len
= WPA_GET_BE16(pos
);
2759 if (wsc_len
> wpabuf_len(wps
) - 2) {
2760 wpa_printf(MSG_DEBUG
, "WPS: Invalid WSC attribute length (%u) "
2761 "in rt Wi-Fi Handover Request Message", wsc_len
);
2766 wpa_hexdump(MSG_DEBUG
,
2767 "WPS: WSC attributes in Wi-Fi Handover Request Message",
2769 if (wsc_len
< wpabuf_len(wps
) - 2) {
2770 wpa_hexdump(MSG_DEBUG
,
2771 "WPS: Ignore extra data after WSC attributes",
2772 pos
+ wsc_len
, wpabuf_len(wps
) - 2 - wsc_len
);
2775 wpabuf_set(&msg
, pos
, wsc_len
);
2776 ret
= wps_parse_msg(&msg
, &attr
);
2778 wpa_printf(MSG_DEBUG
, "WPS: Could not parse WSC attributes in "
2779 "Wi-Fi Handover Request Message");
2783 if (attr
.oob_dev_password
== NULL
||
2784 attr
.oob_dev_password_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
2785 wpa_printf(MSG_DEBUG
, "WPS: No Out-of-Band Device Password "
2786 "included in Wi-Fi Handover Request Message");
2791 if (attr
.uuid_e
== NULL
) {
2792 wpa_printf(MSG_DEBUG
, "WPS: No UUID-E included in Wi-Fi "
2793 "Handover Request Message");
2798 wpa_hexdump(MSG_DEBUG
, "WPS: UUID-E", attr
.uuid_e
, WPS_UUID_LEN
);
2800 wpa_hexdump(MSG_DEBUG
, "WPS: Out-of-Band Device Password",
2801 attr
.oob_dev_password
, attr
.oob_dev_password_len
);
2802 dev_pw_id
= WPA_GET_BE16(attr
.oob_dev_password
+
2803 WPS_OOB_PUBKEY_HASH_LEN
);
2804 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
) {
2805 wpa_printf(MSG_DEBUG
, "WPS: Unexpected OOB Device Password ID "
2806 "%u in Wi-Fi Handover Request Message", dev_pw_id
);
2810 wpa_hexdump(MSG_DEBUG
, "WPS: Enrollee Public Key hash",
2811 attr
.oob_dev_password
, WPS_OOB_PUBKEY_HASH_LEN
);
2813 ret
= wps_registrar_add_nfc_pw_token(wpa_s
->wps
->registrar
,
2814 attr
.oob_dev_password
,
2815 DEV_PW_NFC_CONNECTION_HANDOVER
,
2823 #endif /* CONFIG_WPS_NFC */
2826 static void wpas_wps_dump_ap_info(struct wpa_supplicant
*wpa_s
)
2829 struct os_reltime now
;
2831 if (wpa_debug_level
> MSG_DEBUG
)
2834 if (wpa_s
->wps_ap
== NULL
)
2837 os_get_reltime(&now
);
2839 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
2840 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
2841 struct wpa_blacklist
*e
= wpa_blacklist_get(wpa_s
, ap
->bssid
);
2843 wpa_printf(MSG_DEBUG
, "WPS: AP[%d] " MACSTR
" type=%d "
2844 "tries=%d last_attempt=%d sec ago blacklist=%d",
2845 (int) i
, MAC2STR(ap
->bssid
), ap
->type
, ap
->tries
,
2846 ap
->last_attempt
.sec
> 0 ?
2847 (int) now
.sec
- (int) ap
->last_attempt
.sec
: -1,
2853 static struct wps_ap_info
* wpas_wps_get_ap_info(struct wpa_supplicant
*wpa_s
,
2858 if (wpa_s
->wps_ap
== NULL
)
2861 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
2862 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
2863 if (os_memcmp(ap
->bssid
, bssid
, ETH_ALEN
) == 0)
2871 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant
*wpa_s
,
2872 struct wpa_scan_res
*res
)
2875 enum wps_ap_info_type type
;
2876 struct wps_ap_info
*ap
;
2880 if (wpa_scan_get_vendor_ie(res
, WPS_IE_VENDOR_TYPE
) == NULL
)
2883 wps
= wpa_scan_get_vendor_ie_multi(res
, WPS_IE_VENDOR_TYPE
);
2887 r
= wps_is_addr_authorized(wps
, wpa_s
->own_addr
, 1);
2889 type
= WPS_AP_SEL_REG_OUR
;
2891 type
= WPS_AP_SEL_REG
;
2893 type
= WPS_AP_NOT_SEL_REG
;
2895 uuid
= wps_get_uuid_e(wps
);
2896 pbc_active
= wps_is_selected_pbc_registrar(wps
);
2898 ap
= wpas_wps_get_ap_info(wpa_s
, res
->bssid
);
2900 if (ap
->type
!= type
) {
2901 wpa_printf(MSG_DEBUG
, "WPS: AP " MACSTR
2902 " changed type %d -> %d",
2903 MAC2STR(res
->bssid
), ap
->type
, type
);
2905 if (type
!= WPS_AP_NOT_SEL_REG
)
2906 wpa_blacklist_del(wpa_s
, ap
->bssid
);
2908 ap
->pbc_active
= pbc_active
;
2910 os_memcpy(ap
->uuid
, uuid
, WPS_UUID_LEN
);
2914 ap
= os_realloc_array(wpa_s
->wps_ap
, wpa_s
->num_wps_ap
+ 1,
2915 sizeof(struct wps_ap_info
));
2920 ap
= &wpa_s
->wps_ap
[wpa_s
->num_wps_ap
];
2921 wpa_s
->num_wps_ap
++;
2923 os_memset(ap
, 0, sizeof(*ap
));
2924 os_memcpy(ap
->bssid
, res
->bssid
, ETH_ALEN
);
2926 ap
->pbc_active
= pbc_active
;
2928 os_memcpy(ap
->uuid
, uuid
, WPS_UUID_LEN
);
2929 wpa_printf(MSG_DEBUG
, "WPS: AP " MACSTR
" type %d added",
2930 MAC2STR(ap
->bssid
), ap
->type
);
2937 void wpas_wps_update_ap_info(struct wpa_supplicant
*wpa_s
,
2938 struct wpa_scan_results
*scan_res
)
2942 for (i
= 0; i
< scan_res
->num
; i
++)
2943 wpas_wps_update_ap_info_bss(wpa_s
, scan_res
->res
[i
]);
2945 wpas_wps_dump_ap_info(wpa_s
);
2949 void wpas_wps_notify_assoc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
2951 struct wps_ap_info
*ap
;
2953 wpa_s
->after_wps
= 0;
2955 if (!wpa_s
->wps_ap_iter
)
2957 ap
= wpas_wps_get_ap_info(wpa_s
, bssid
);
2961 os_get_reltime(&ap
->last_attempt
);