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 wpa_printf(MSG_DEBUG
, "WPS: The AP was not found from BSS "
208 "table - use credential as-is");
212 wpa_printf(MSG_DEBUG
, "WPS: AP found from BSS table");
214 ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
215 if (ie
&& wpa_parse_wpa_ie(ie
, 2 + ie
[1], &adv
) == 0) {
217 if (adv
.pairwise_cipher
& WPA_CIPHER_CCMP
)
220 ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
221 if (ie
&& wpa_parse_wpa_ie(ie
, 2 + ie
[1], &adv
) == 0 &&
222 adv
.pairwise_cipher
& WPA_CIPHER_CCMP
)
226 if (ie
== NULL
&& (ssid
->proto
& WPA_PROTO_WPA
) &&
227 (ssid
->pairwise_cipher
& WPA_CIPHER_TKIP
)) {
229 * TODO: This could be the initial AP configuration and the
230 * Beacon contents could change shortly. Should request a new
231 * scan and delay addition of the network until the updated
232 * scan results are available.
234 wpa_printf(MSG_DEBUG
, "WPS: The AP did not yet advertise WPA "
235 "support - use credential as-is");
239 if (ccmp
&& !(ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
) &&
240 (ssid
->pairwise_cipher
& WPA_CIPHER_TKIP
) &&
241 (capa
.key_mgmt
& WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK
)) {
242 wpa_printf(MSG_DEBUG
, "WPS: Add CCMP into the credential "
243 "based on scan results");
244 if (wpa_s
->conf
->ap_scan
== 1)
245 ssid
->pairwise_cipher
|= WPA_CIPHER_CCMP
;
247 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
250 if (wpa2
&& !(ssid
->proto
& WPA_PROTO_RSN
) &&
251 (ssid
->proto
& WPA_PROTO_WPA
) &&
252 (capa
.enc
& WPA_DRIVER_CAPA_ENC_CCMP
)) {
253 wpa_printf(MSG_DEBUG
, "WPS: Add WPA2 into the credential "
254 "based on scan results");
255 if (wpa_s
->conf
->ap_scan
== 1)
256 ssid
->proto
|= WPA_PROTO_RSN
;
258 ssid
->proto
= WPA_PROTO_RSN
;
263 static void wpas_wps_remove_dup_network(struct wpa_supplicant
*wpa_s
,
264 struct wpa_ssid
*new_ssid
)
266 struct wpa_ssid
*ssid
, *next
;
268 for (ssid
= wpa_s
->conf
->ssid
, next
= ssid
? ssid
->next
: NULL
; ssid
;
269 ssid
= next
, next
= ssid
? ssid
->next
: NULL
) {
271 * new_ssid has already been added to the list in
272 * wpas_wps_add_network(), so skip it.
274 if (ssid
== new_ssid
)
277 if (ssid
->bssid_set
|| new_ssid
->bssid_set
) {
278 if (ssid
->bssid_set
!= new_ssid
->bssid_set
)
280 if (os_memcmp(ssid
->bssid
, new_ssid
->bssid
, ETH_ALEN
) !=
286 if (ssid
->ssid_len
== 0 || ssid
->ssid_len
!= new_ssid
->ssid_len
)
289 if (ssid
->ssid
&& new_ssid
->ssid
) {
290 if (os_memcmp(ssid
->ssid
, new_ssid
->ssid
,
291 ssid
->ssid_len
) != 0)
293 } else if (ssid
->ssid
|| new_ssid
->ssid
)
296 /* compare security parameters */
297 if (ssid
->auth_alg
!= new_ssid
->auth_alg
||
298 ssid
->key_mgmt
!= new_ssid
->key_mgmt
||
299 (ssid
->group_cipher
!= new_ssid
->group_cipher
&&
300 !(ssid
->group_cipher
& new_ssid
->group_cipher
&
305 * Some existing WPS APs will send two creds in case they are
306 * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP).
307 * Try to merge these two creds if they are received in the same
310 if (ssid
->wps_run
&& ssid
->wps_run
== new_ssid
->wps_run
&&
311 wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
)) {
312 if (new_ssid
->passphrase
&& ssid
->passphrase
&&
313 os_strcmp(new_ssid
->passphrase
, ssid
->passphrase
) !=
315 wpa_printf(MSG_DEBUG
,
316 "WPS: M8 Creds with different passphrase - do not merge");
320 if (new_ssid
->psk_set
&&
322 os_memcmp(new_ssid
->psk
, ssid
->psk
, 32) != 0)) {
323 wpa_printf(MSG_DEBUG
,
324 "WPS: M8 Creds with different PSK - do not merge");
328 if ((new_ssid
->passphrase
&& !ssid
->passphrase
) ||
329 (!new_ssid
->passphrase
&& ssid
->passphrase
)) {
330 wpa_printf(MSG_DEBUG
,
331 "WPS: M8 Creds with different passphrase/PSK type - do not merge");
335 wpa_printf(MSG_DEBUG
,
336 "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message");
337 new_ssid
->proto
|= ssid
->proto
;
338 new_ssid
->pairwise_cipher
|= ssid
->pairwise_cipher
;
341 * proto and pairwise_cipher difference matter for
342 * non-mixed-mode creds.
344 if (ssid
->proto
!= new_ssid
->proto
||
345 ssid
->pairwise_cipher
!= new_ssid
->pairwise_cipher
)
349 /* Remove the duplicated older network entry. */
350 wpa_printf(MSG_DEBUG
, "Remove duplicate network %d", ssid
->id
);
351 wpas_notify_network_removed(wpa_s
, ssid
);
352 if (wpa_s
->current_ssid
== ssid
)
353 wpa_s
->current_ssid
= NULL
;
354 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
359 static int wpa_supplicant_wps_cred(void *ctx
,
360 const struct wps_credential
*cred
)
362 struct wpa_supplicant
*wpa_s
= ctx
;
363 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
365 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
367 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
369 if ((wpa_s
->conf
->wps_cred_processing
== 1 ||
370 wpa_s
->conf
->wps_cred_processing
== 2) && cred
->cred_attr
) {
371 size_t blen
= cred
->cred_attr_len
* 2 + 1;
372 char *buf
= os_malloc(blen
);
374 wpa_snprintf_hex(buf
, blen
,
375 cred
->cred_attr
, cred
->cred_attr_len
);
376 wpa_msg(wpa_s
, MSG_INFO
, "%s%s",
377 WPS_EVENT_CRED_RECEIVED
, buf
);
381 wpas_notify_wps_credential(wpa_s
, cred
);
383 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_CRED_RECEIVED
);
385 wpa_hexdump_key(MSG_DEBUG
, "WPS: Received Credential attribute",
386 cred
->cred_attr
, cred
->cred_attr_len
);
388 if (wpa_s
->conf
->wps_cred_processing
== 1)
391 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: SSID", cred
->ssid
, cred
->ssid_len
);
392 wpa_printf(MSG_DEBUG
, "WPS: Authentication Type 0x%x",
394 wpa_printf(MSG_DEBUG
, "WPS: Encryption Type 0x%x", cred
->encr_type
);
395 wpa_printf(MSG_DEBUG
, "WPS: Network Key Index %d", cred
->key_idx
);
396 wpa_hexdump_key(MSG_DEBUG
, "WPS: Network Key",
397 cred
->key
, cred
->key_len
);
398 wpa_printf(MSG_DEBUG
, "WPS: MAC Address " MACSTR
,
399 MAC2STR(cred
->mac_addr
));
401 auth_type
= cred
->auth_type
;
402 if (auth_type
== (WPS_AUTH_WPAPSK
| WPS_AUTH_WPA2PSK
)) {
403 wpa_printf(MSG_DEBUG
, "WPS: Workaround - convert mixed-mode "
404 "auth_type into WPA2PSK");
405 auth_type
= WPS_AUTH_WPA2PSK
;
408 if (auth_type
!= WPS_AUTH_OPEN
&&
409 auth_type
!= WPS_AUTH_WPAPSK
&&
410 auth_type
!= WPS_AUTH_WPA2PSK
) {
411 wpa_printf(MSG_DEBUG
, "WPS: Ignored credentials for "
412 "unsupported authentication type 0x%x",
417 if (auth_type
== WPS_AUTH_WPAPSK
|| auth_type
== WPS_AUTH_WPA2PSK
) {
418 if (cred
->key_len
< 8 || cred
->key_len
> 2 * PMK_LEN
) {
419 wpa_printf(MSG_ERROR
, "WPS: Reject PSK credential with "
420 "invalid Network Key length %lu",
421 (unsigned long) cred
->key_len
);
426 if (ssid
&& (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
427 wpa_printf(MSG_DEBUG
, "WPS: Replace WPS network block based "
428 "on the received credential");
429 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
430 if (ssid
->eap
.identity
&&
431 ssid
->eap
.identity_len
== WSC_ID_REGISTRAR_LEN
&&
432 os_memcmp(ssid
->eap
.identity
, WSC_ID_REGISTRAR
,
433 WSC_ID_REGISTRAR_LEN
) == 0)
435 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
436 os_free(ssid
->eap
.identity
);
437 ssid
->eap
.identity
= NULL
;
438 ssid
->eap
.identity_len
= 0;
439 os_free(ssid
->eap
.phase1
);
440 ssid
->eap
.phase1
= NULL
;
441 os_free(ssid
->eap
.eap_methods
);
442 ssid
->eap
.eap_methods
= NULL
;
443 if (!ssid
->p2p_group
) {
447 ssid
->disabled_until
.sec
= 0;
448 ssid
->disabled_until
.usec
= 0;
449 ssid
->auth_failures
= 0;
451 wpa_printf(MSG_DEBUG
, "WPS: Create a new network based on the "
452 "received credential");
453 ssid
= wpa_config_add_network(wpa_s
->conf
);
456 if (wpa_s
->current_ssid
) {
458 * Should the GO issue multiple credentials for some
459 * reason, each credential should be marked as a
460 * temporary P2P group similarly to the one that gets
461 * marked as such based on the pre-configured values
462 * used for the WPS network block.
464 ssid
->p2p_group
= wpa_s
->current_ssid
->p2p_group
;
465 ssid
->temporary
= wpa_s
->current_ssid
->temporary
;
467 wpas_notify_network_added(wpa_s
, ssid
);
470 wpa_config_set_network_defaults(ssid
);
471 ssid
->wps_run
= wpa_s
->wps_run
;
474 ssid
->ssid
= os_malloc(cred
->ssid_len
);
476 os_memcpy(ssid
->ssid
, cred
->ssid
, cred
->ssid_len
);
477 ssid
->ssid_len
= cred
->ssid_len
;
480 switch (cred
->encr_type
) {
484 ssid
->pairwise_cipher
= WPA_CIPHER_TKIP
;
487 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
488 if (wpa_s
->drv_capa_known
&&
489 (wpa_s
->drv_enc
& WPA_DRIVER_CAPA_ENC_GCMP
)) {
490 ssid
->pairwise_cipher
|= WPA_CIPHER_GCMP
;
491 ssid
->group_cipher
|= WPA_CIPHER_GCMP
;
498 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
499 ssid
->key_mgmt
= WPA_KEY_MGMT_NONE
;
501 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
503 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_OPEN_NETWORK
504 "id=%d - Credentials for an open "
505 "network disabled by default - use "
506 "'select_network %d' to enable",
510 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
512 case WPS_AUTH_WPAPSK
:
513 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
514 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
515 ssid
->proto
= WPA_PROTO_WPA
;
517 case WPS_AUTH_WPA2PSK
:
518 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
519 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
520 ssid
->proto
= WPA_PROTO_RSN
;
524 if (ssid
->key_mgmt
== WPA_KEY_MGMT_PSK
) {
525 if (cred
->key_len
== 2 * PMK_LEN
) {
526 if (hexstr2bin((const char *) cred
->key
, ssid
->psk
,
528 wpa_printf(MSG_ERROR
, "WPS: Invalid Network "
533 ssid
->export_keys
= 1;
534 } else if (cred
->key_len
>= 8 && cred
->key_len
< 2 * PMK_LEN
) {
535 os_free(ssid
->passphrase
);
536 ssid
->passphrase
= os_malloc(cred
->key_len
+ 1);
537 if (ssid
->passphrase
== NULL
)
539 os_memcpy(ssid
->passphrase
, cred
->key
, cred
->key_len
);
540 ssid
->passphrase
[cred
->key_len
] = '\0';
541 wpa_config_update_psk(ssid
);
542 ssid
->export_keys
= 1;
544 wpa_printf(MSG_ERROR
, "WPS: Invalid Network Key "
546 (unsigned long) cred
->key_len
);
550 ssid
->priority
= wpa_s
->conf
->wps_priority
;
552 wpas_wps_security_workaround(wpa_s
, ssid
, cred
);
554 wpas_wps_remove_dup_network(wpa_s
, ssid
);
556 #ifndef CONFIG_NO_CONFIG_WRITE
557 if (wpa_s
->conf
->update_config
&&
558 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
559 wpa_printf(MSG_DEBUG
, "WPS: Failed to update configuration");
562 #endif /* CONFIG_NO_CONFIG_WRITE */
565 wpa_config_update_prio_list(wpa_s
->conf
);
568 * Optimize the post-WPS scan based on the channel used during
569 * the provisioning in case EAP-Failure is not received.
571 wpa_s
->after_wps
= 5;
572 wpa_s
->wps_freq
= wpa_s
->assoc_freq
;
578 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant
*wpa_s
,
579 struct wps_event_m2d
*m2d
)
581 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_M2D
582 "dev_password_id=%d config_error=%d",
583 m2d
->dev_password_id
, m2d
->config_error
);
584 wpas_notify_wps_event_m2d(wpa_s
, m2d
);
586 if (wpa_s
->parent
&& wpa_s
->parent
!= wpa_s
) {
587 wpa_msg(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_M2D
588 "dev_password_id=%d config_error=%d",
589 m2d
->dev_password_id
, m2d
->config_error
);
591 if (m2d
->config_error
== WPS_CFG_MULTIPLE_PBC_DETECTED
) {
593 * Notify P2P from eloop timeout to avoid issues with the
594 * interface getting removed while processing a message.
596 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb
, wpa_s
,
599 #endif /* CONFIG_P2P */
603 static void wpas_wps_clear_timeout(void *eloop_ctx
, void *timeout_ctx
)
605 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
606 wpa_printf(MSG_DEBUG
, "WPS: Clear WPS network from timeout");
607 wpas_clear_wps(wpa_s
);
611 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant
*wpa_s
,
612 struct wps_event_fail
*fail
)
614 if (fail
->error_indication
> 0 &&
615 fail
->error_indication
< NUM_WPS_EI_VALUES
) {
616 wpa_msg(wpa_s
, MSG_INFO
,
617 WPS_EVENT_FAIL
"msg=%d config_error=%d reason=%d (%s)",
618 fail
->msg
, fail
->config_error
, fail
->error_indication
,
619 wps_ei_str(fail
->error_indication
));
620 if (wpa_s
->parent
&& wpa_s
->parent
!= wpa_s
)
621 wpa_msg(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_FAIL
622 "msg=%d config_error=%d reason=%d (%s)",
623 fail
->msg
, fail
->config_error
,
624 fail
->error_indication
,
625 wps_ei_str(fail
->error_indication
));
627 wpa_msg(wpa_s
, MSG_INFO
,
628 WPS_EVENT_FAIL
"msg=%d config_error=%d",
629 fail
->msg
, fail
->config_error
);
630 if (wpa_s
->parent
&& wpa_s
->parent
!= wpa_s
)
631 wpa_msg(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_FAIL
632 "msg=%d config_error=%d",
633 fail
->msg
, fail
->config_error
);
637 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
639 wpa_printf(MSG_DEBUG
, "WPS: Register timeout to clear WPS network");
640 eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
);
641 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout
, wpa_s
, NULL
);
643 wpas_notify_wps_event_fail(wpa_s
, fail
);
644 wpas_p2p_wps_failed(wpa_s
, fail
);
648 static void wpas_wps_reenable_networks_cb(void *eloop_ctx
, void *timeout_ctx
);
650 static void wpas_wps_reenable_networks(struct wpa_supplicant
*wpa_s
)
652 struct wpa_ssid
*ssid
;
655 eloop_cancel_timeout(wpas_wps_reenable_networks_cb
, wpa_s
, NULL
);
657 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
658 if (ssid
->disabled_for_connect
&& ssid
->disabled
) {
659 ssid
->disabled_for_connect
= 0;
661 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
667 #ifndef CONFIG_NO_CONFIG_WRITE
668 if (wpa_s
->conf
->update_config
&&
669 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
670 wpa_printf(MSG_DEBUG
, "WPS: Failed to update "
673 #endif /* CONFIG_NO_CONFIG_WRITE */
678 static void wpas_wps_reenable_networks_cb(void *eloop_ctx
, void *timeout_ctx
)
680 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
681 /* Enable the networks disabled during wpas_wps_reassoc */
682 wpas_wps_reenable_networks(wpa_s
);
686 static void wpa_supplicant_wps_event_success(struct wpa_supplicant
*wpa_s
)
688 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_SUCCESS
);
689 wpa_s
->wps_success
= 1;
690 wpas_notify_wps_event_success(wpa_s
);
691 if (wpa_s
->current_ssid
)
692 wpas_clear_temp_disabled(wpa_s
, wpa_s
->current_ssid
, 1);
693 wpa_s
->extra_blacklist_count
= 0;
696 * Enable the networks disabled during wpas_wps_reassoc after 10
697 * seconds. The 10 seconds timer is to allow the data connection to be
698 * formed before allowing other networks to be selected.
700 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb
, wpa_s
,
703 wpas_p2p_wps_success(wpa_s
, wpa_s
->bssid
, 0);
707 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant
*wpa_s
,
708 struct wps_event_er_ap
*ap
)
711 char dev_type
[WPS_DEV_TYPE_BUFSIZE
];
713 uuid_bin2str(ap
->uuid
, uuid_str
, sizeof(uuid_str
));
714 if (ap
->pri_dev_type
)
715 wps_dev_type_bin2str(ap
->pri_dev_type
, dev_type
,
720 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_ADD
"%s " MACSTR
721 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
722 uuid_str
, MAC2STR(ap
->mac_addr
), dev_type
, ap
->wps_state
,
723 ap
->friendly_name
? ap
->friendly_name
: "",
724 ap
->manufacturer
? ap
->manufacturer
: "",
725 ap
->model_description
? ap
->model_description
: "",
726 ap
->model_name
? ap
->model_name
: "",
727 ap
->manufacturer_url
? ap
->manufacturer_url
: "",
728 ap
->model_url
? ap
->model_url
: "");
732 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant
*wpa_s
,
733 struct wps_event_er_ap
*ap
)
736 uuid_bin2str(ap
->uuid
, uuid_str
, sizeof(uuid_str
));
737 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_REMOVE
"%s", uuid_str
);
741 static void wpa_supplicant_wps_event_er_enrollee_add(
742 struct wpa_supplicant
*wpa_s
, struct wps_event_er_enrollee
*enrollee
)
745 char dev_type
[WPS_DEV_TYPE_BUFSIZE
];
747 uuid_bin2str(enrollee
->uuid
, uuid_str
, sizeof(uuid_str
));
748 if (enrollee
->pri_dev_type
)
749 wps_dev_type_bin2str(enrollee
->pri_dev_type
, dev_type
,
754 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_ENROLLEE_ADD
"%s " MACSTR
755 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
757 uuid_str
, MAC2STR(enrollee
->mac_addr
), enrollee
->m1_received
,
758 enrollee
->config_methods
, enrollee
->dev_passwd_id
, dev_type
,
759 enrollee
->dev_name
? enrollee
->dev_name
: "",
760 enrollee
->manufacturer
? enrollee
->manufacturer
: "",
761 enrollee
->model_name
? enrollee
->model_name
: "",
762 enrollee
->model_number
? enrollee
->model_number
: "",
763 enrollee
->serial_number
? enrollee
->serial_number
: "");
767 static void wpa_supplicant_wps_event_er_enrollee_remove(
768 struct wpa_supplicant
*wpa_s
, struct wps_event_er_enrollee
*enrollee
)
771 uuid_bin2str(enrollee
->uuid
, uuid_str
, sizeof(uuid_str
));
772 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_ENROLLEE_REMOVE
"%s " MACSTR
,
773 uuid_str
, MAC2STR(enrollee
->mac_addr
));
777 static void wpa_supplicant_wps_event_er_ap_settings(
778 struct wpa_supplicant
*wpa_s
,
779 struct wps_event_er_ap_settings
*ap_settings
)
783 const struct wps_credential
*cred
= ap_settings
->cred
;
786 if (cred
->auth_type
& (WPS_AUTH_WPAPSK
| WPS_AUTH_WPA2PSK
)) {
787 if (cred
->key_len
>= 8 && cred
->key_len
<= 64) {
788 os_memcpy(key_str
, cred
->key
, cred
->key_len
);
789 key_str
[cred
->key_len
] = '\0';
793 uuid_bin2str(ap_settings
->uuid
, uuid_str
, sizeof(uuid_str
));
794 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
795 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_SETTINGS
796 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
798 uuid_str
, wpa_ssid_txt(cred
->ssid
, cred
->ssid_len
),
799 cred
->auth_type
, cred
->encr_type
, key_str
);
803 static void wpa_supplicant_wps_event_er_set_sel_reg(
804 struct wpa_supplicant
*wpa_s
,
805 struct wps_event_er_set_selected_registrar
*ev
)
809 uuid_bin2str(ev
->uuid
, uuid_str
, sizeof(uuid_str
));
811 case WPS_ER_SET_SEL_REG_START
:
812 wpa_msg(wpa_s
, MSG_DEBUG
, WPS_EVENT_ER_SET_SEL_REG
813 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
814 "sel_reg_config_methods=0x%x",
815 uuid_str
, ev
->sel_reg
, ev
->dev_passwd_id
,
816 ev
->sel_reg_config_methods
);
818 case WPS_ER_SET_SEL_REG_DONE
:
819 wpa_msg(wpa_s
, MSG_DEBUG
, WPS_EVENT_ER_SET_SEL_REG
820 "uuid=%s state=DONE", uuid_str
);
822 case WPS_ER_SET_SEL_REG_FAILED
:
823 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_SET_SEL_REG
824 "uuid=%s state=FAILED", uuid_str
);
830 static void wpa_supplicant_wps_event(void *ctx
, enum wps_event event
,
831 union wps_event_data
*data
)
833 struct wpa_supplicant
*wpa_s
= ctx
;
836 wpa_supplicant_wps_event_m2d(wpa_s
, &data
->m2d
);
839 wpa_supplicant_wps_event_fail(wpa_s
, &data
->fail
);
842 wpa_supplicant_wps_event_success(wpa_s
);
844 case WPS_EV_PWD_AUTH_FAIL
:
846 if (wpa_s
->ap_iface
&& data
->pwd_auth_fail
.enrollee
)
847 wpa_supplicant_ap_pwd_auth_fail(wpa_s
);
848 #endif /* CONFIG_AP */
850 case WPS_EV_PBC_OVERLAP
:
852 case WPS_EV_PBC_TIMEOUT
:
854 case WPS_EV_PBC_ACTIVE
:
855 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ACTIVE
);
857 case WPS_EV_PBC_DISABLE
:
858 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_DISABLE
);
860 case WPS_EV_ER_AP_ADD
:
861 wpa_supplicant_wps_event_er_ap_add(wpa_s
, &data
->ap
);
863 case WPS_EV_ER_AP_REMOVE
:
864 wpa_supplicant_wps_event_er_ap_remove(wpa_s
, &data
->ap
);
866 case WPS_EV_ER_ENROLLEE_ADD
:
867 wpa_supplicant_wps_event_er_enrollee_add(wpa_s
,
870 case WPS_EV_ER_ENROLLEE_REMOVE
:
871 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s
,
874 case WPS_EV_ER_AP_SETTINGS
:
875 wpa_supplicant_wps_event_er_ap_settings(wpa_s
,
878 case WPS_EV_ER_SET_SELECTED_REGISTRAR
:
879 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s
,
882 case WPS_EV_AP_PIN_SUCCESS
:
888 static int wpa_supplicant_wps_rf_band(void *ctx
)
890 struct wpa_supplicant
*wpa_s
= ctx
;
892 if (!wpa_s
->current_ssid
|| !wpa_s
->assoc_freq
)
895 return (wpa_s
->assoc_freq
> 50000) ? WPS_RF_60GHZ
:
896 (wpa_s
->assoc_freq
> 2484) ? WPS_RF_50GHZ
: WPS_RF_24GHZ
;
900 enum wps_request_type
wpas_wps_get_req_type(struct wpa_ssid
*ssid
)
902 if (eap_is_wps_pbc_enrollee(&ssid
->eap
) ||
903 eap_is_wps_pin_enrollee(&ssid
->eap
))
904 return WPS_REQ_ENROLLEE
;
906 return WPS_REQ_REGISTRAR
;
910 static void wpas_clear_wps(struct wpa_supplicant
*wpa_s
)
913 struct wpa_ssid
*ssid
, *remove_ssid
= NULL
, *prev_current
;
915 wpa_s
->after_wps
= 0;
916 wpa_s
->known_wps_freq
= 0;
918 prev_current
= wpa_s
->current_ssid
;
920 /* Enable the networks disabled during wpas_wps_reassoc */
921 wpas_wps_reenable_networks(wpa_s
);
923 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
924 eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
);
926 /* Remove any existing WPS network from configuration */
927 ssid
= wpa_s
->conf
->ssid
;
929 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
930 if (ssid
== wpa_s
->current_ssid
) {
931 wpa_s
->own_disconnect_req
= 1;
932 wpa_supplicant_deauthenticate(
933 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
941 if (prev_current
== remove_ssid
) {
942 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
943 eapol_sm_notify_config(wpa_s
->eapol
, NULL
,
946 wpas_notify_network_removed(wpa_s
, remove_ssid
);
947 wpa_config_remove_network(wpa_s
->conf
, id
);
951 wpas_wps_clear_ap_info(wpa_s
);
955 static void wpas_wps_timeout(void *eloop_ctx
, void *timeout_ctx
)
957 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
958 union wps_event_data data
;
960 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_TIMEOUT
"Requested operation timed "
962 os_memset(&data
, 0, sizeof(data
));
963 data
.fail
.config_error
= WPS_CFG_MSG_TIMEOUT
;
964 data
.fail
.error_indication
= WPS_EI_NO_ERROR
;
966 * Call wpas_notify_wps_event_fail() directly instead of through
967 * wpa_supplicant_wps_event() which would end up registering unnecessary
968 * timeouts (those are only for the case where the failure happens
969 * during an EAP-WSC exchange).
971 wpas_notify_wps_event_fail(wpa_s
, &data
.fail
);
972 wpas_clear_wps(wpa_s
);
976 static struct wpa_ssid
* wpas_wps_add_network(struct wpa_supplicant
*wpa_s
,
977 int registrar
, const u8
*dev_addr
,
980 struct wpa_ssid
*ssid
;
982 ssid
= wpa_config_add_network(wpa_s
->conf
);
985 wpas_notify_network_added(wpa_s
, ssid
);
986 wpa_config_set_network_defaults(ssid
);
988 if (wpa_config_set(ssid
, "key_mgmt", "WPS", 0) < 0 ||
989 wpa_config_set(ssid
, "eap", "WSC", 0) < 0 ||
990 wpa_config_set(ssid
, "identity", registrar
?
991 "\"" WSC_ID_REGISTRAR
"\"" :
992 "\"" WSC_ID_ENROLLEE
"\"", 0) < 0) {
993 wpas_notify_network_removed(wpa_s
, ssid
);
994 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
1000 os_memcpy(ssid
->go_p2p_dev_addr
, dev_addr
, ETH_ALEN
);
1001 #endif /* CONFIG_P2P */
1005 struct wpa_bss
*bss
;
1007 #endif /* CONFIG_P2P */
1009 os_memcpy(ssid
->bssid
, bssid
, ETH_ALEN
);
1010 ssid
->bssid_set
= 1;
1013 * Note: With P2P, the SSID may change at the time the WPS
1014 * provisioning is started, so better not filter the AP based
1015 * on the current SSID in the scan results.
1018 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1019 if (os_memcmp(bssid
, bss
->bssid
, ETH_ALEN
) != 0)
1022 os_free(ssid
->ssid
);
1023 ssid
->ssid
= os_malloc(bss
->ssid_len
);
1024 if (ssid
->ssid
== NULL
)
1026 os_memcpy(ssid
->ssid
, bss
->ssid
, bss
->ssid_len
);
1027 ssid
->ssid_len
= bss
->ssid_len
;
1028 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Picked SSID from "
1030 ssid
->ssid
, ssid
->ssid_len
);
1035 wpa_printf(MSG_DEBUG
, "WPS: More than one SSID found "
1036 "for the AP; use wildcard");
1037 os_free(ssid
->ssid
);
1041 #endif /* CONFIG_P2P */
1048 static void wpas_wps_temp_disable(struct wpa_supplicant
*wpa_s
,
1049 struct wpa_ssid
*selected
)
1051 struct wpa_ssid
*ssid
;
1053 if (wpa_s
->current_ssid
) {
1054 wpa_s
->own_disconnect_req
= 1;
1055 wpa_supplicant_deauthenticate(
1056 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1059 /* Mark all other networks disabled and trigger reassociation */
1060 ssid
= wpa_s
->conf
->ssid
;
1062 int was_disabled
= ssid
->disabled
;
1063 ssid
->disabled_for_connect
= 0;
1065 * In case the network object corresponds to a persistent group
1066 * then do not send out network disabled signal. In addition,
1067 * do not change disabled status of persistent network objects
1068 * from 2 to 1 should we connect to another network.
1070 if (was_disabled
!= 2) {
1071 ssid
->disabled
= ssid
!= selected
;
1072 if (was_disabled
!= ssid
->disabled
) {
1074 ssid
->disabled_for_connect
= 1;
1075 wpas_notify_network_enabled_changed(wpa_s
,
1084 static void wpas_wps_reassoc(struct wpa_supplicant
*wpa_s
,
1085 struct wpa_ssid
*selected
, const u8
*bssid
,
1088 struct wpa_bss
*bss
;
1091 if (wpa_s
->wps_run
== 0)
1093 wpa_s
->after_wps
= 0;
1094 wpa_s
->known_wps_freq
= 0;
1096 wpa_s
->after_wps
= 5;
1097 wpa_s
->wps_freq
= freq
;
1099 bss
= wpa_bss_get_bssid_latest(wpa_s
, bssid
);
1100 if (bss
&& bss
->freq
> 0) {
1101 wpa_s
->known_wps_freq
= 1;
1102 wpa_s
->wps_freq
= bss
->freq
;
1106 wpas_wps_temp_disable(wpa_s
, selected
);
1108 wpa_s
->disconnected
= 0;
1109 wpa_s
->reassociate
= 1;
1110 wpa_s
->scan_runs
= 0;
1111 wpa_s
->normal_scans
= 0;
1112 wpa_s
->wps_success
= 0;
1113 wpa_s
->blacklist_cleared
= 0;
1115 wpa_supplicant_cancel_sched_scan(wpa_s
);
1116 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1120 int wpas_wps_start_pbc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1123 struct wpa_ssid
*ssid
;
1126 if (wpa_s
->ap_iface
) {
1127 wpa_printf(MSG_DEBUG
,
1128 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1131 #endif /* CONFIG_AP */
1132 wpas_clear_wps(wpa_s
);
1133 ssid
= wpas_wps_add_network(wpa_s
, 0, NULL
, bssid
);
1136 ssid
->temporary
= 1;
1137 ssid
->p2p_group
= p2p_group
;
1139 if (p2p_group
&& wpa_s
->go_params
&& wpa_s
->go_params
->ssid_len
) {
1140 ssid
->ssid
= os_zalloc(wpa_s
->go_params
->ssid_len
+ 1);
1142 ssid
->ssid_len
= wpa_s
->go_params
->ssid_len
;
1143 os_memcpy(ssid
->ssid
, wpa_s
->go_params
->ssid
,
1145 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Use specific AP "
1146 "SSID", ssid
->ssid
, ssid
->ssid_len
);
1149 #endif /* CONFIG_P2P */
1150 if (wpa_config_set(ssid
, "phase1", "\"pbc=1\"", 0) < 0)
1152 if (wpa_s
->wps_fragment_size
)
1153 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1154 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1156 wpas_wps_reassoc(wpa_s
, ssid
, bssid
, 0);
1161 static int wpas_wps_start_dev_pw(struct wpa_supplicant
*wpa_s
,
1162 const u8
*dev_addr
, const u8
*bssid
,
1163 const char *pin
, int p2p_group
, u16 dev_pw_id
,
1164 const u8
*peer_pubkey_hash
,
1165 const u8
*ssid_val
, size_t ssid_len
, int freq
)
1167 struct wpa_ssid
*ssid
;
1168 char val
[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN
];
1169 unsigned int rpin
= 0;
1170 char hash
[2 * WPS_OOB_PUBKEY_HASH_LEN
+ 10];
1173 if (wpa_s
->ap_iface
) {
1174 wpa_printf(MSG_DEBUG
,
1175 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1178 #endif /* CONFIG_AP */
1179 wpas_clear_wps(wpa_s
);
1180 if (bssid
&& is_zero_ether_addr(bssid
))
1182 ssid
= wpas_wps_add_network(wpa_s
, 0, dev_addr
, bssid
);
1184 wpa_printf(MSG_DEBUG
, "WPS: Could not add network");
1187 ssid
->temporary
= 1;
1188 ssid
->p2p_group
= p2p_group
;
1190 ssid
->ssid
= os_malloc(ssid_len
);
1192 os_memcpy(ssid
->ssid
, ssid_val
, ssid_len
);
1193 ssid
->ssid_len
= ssid_len
;
1196 if (peer_pubkey_hash
) {
1197 os_memcpy(hash
, " pkhash=", 8);
1198 wpa_snprintf_hex_uppercase(hash
+ 8, sizeof(hash
) - 8,
1200 WPS_OOB_PUBKEY_HASH_LEN
);
1205 if (p2p_group
&& wpa_s
->go_params
&& wpa_s
->go_params
->ssid_len
) {
1206 os_free(ssid
->ssid
);
1207 ssid
->ssid
= os_zalloc(wpa_s
->go_params
->ssid_len
+ 1);
1209 ssid
->ssid_len
= wpa_s
->go_params
->ssid_len
;
1210 os_memcpy(ssid
->ssid
, wpa_s
->go_params
->ssid
,
1212 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Use specific AP "
1213 "SSID", ssid
->ssid
, ssid
->ssid_len
);
1216 #endif /* CONFIG_P2P */
1218 os_snprintf(val
, sizeof(val
), "\"pin=%s dev_pw_id=%u%s\"",
1219 pin
, dev_pw_id
, hash
);
1220 else if (pin
== NULL
&& dev_pw_id
== DEV_PW_NFC_CONNECTION_HANDOVER
) {
1221 os_snprintf(val
, sizeof(val
), "\"dev_pw_id=%u%s\"",
1224 rpin
= wps_generate_pin();
1225 os_snprintf(val
, sizeof(val
), "\"pin=%08d dev_pw_id=%u%s\"",
1226 rpin
, dev_pw_id
, hash
);
1228 if (wpa_config_set(ssid
, "phase1", val
, 0) < 0) {
1229 wpa_printf(MSG_DEBUG
, "WPS: Failed to set phase1 '%s'", val
);
1232 if (wpa_s
->wps_fragment_size
)
1233 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1234 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1236 wpa_s
->wps_ap_iter
= 1;
1237 wpas_wps_reassoc(wpa_s
, ssid
, bssid
, freq
);
1242 int wpas_wps_start_pin(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1243 const char *pin
, int p2p_group
, u16 dev_pw_id
)
1245 os_get_reltime(&wpa_s
->wps_pin_start_time
);
1246 return wpas_wps_start_dev_pw(wpa_s
, NULL
, bssid
, pin
, p2p_group
,
1247 dev_pw_id
, NULL
, NULL
, 0, 0);
1251 /* Cancel the wps pbc/pin requests */
1252 int wpas_wps_cancel(struct wpa_supplicant
*wpa_s
)
1255 if (wpa_s
->ap_iface
) {
1256 wpa_printf(MSG_DEBUG
, "WPS: Cancelling in AP mode");
1257 return wpa_supplicant_ap_wps_cancel(wpa_s
);
1259 #endif /* CONFIG_AP */
1261 if (wpa_s
->wpa_state
== WPA_SCANNING
||
1262 wpa_s
->wpa_state
== WPA_DISCONNECTED
) {
1263 wpa_printf(MSG_DEBUG
, "WPS: Cancel operation - cancel scan");
1264 wpa_supplicant_cancel_scan(wpa_s
);
1265 wpas_clear_wps(wpa_s
);
1266 } else if (wpa_s
->wpa_state
>= WPA_ASSOCIATED
) {
1267 wpa_printf(MSG_DEBUG
, "WPS: Cancel operation - "
1269 wpa_s
->own_disconnect_req
= 1;
1270 wpa_supplicant_deauthenticate(wpa_s
,
1271 WLAN_REASON_DEAUTH_LEAVING
);
1272 wpas_clear_wps(wpa_s
);
1274 wpas_wps_reenable_networks(wpa_s
);
1275 wpas_wps_clear_ap_info(wpa_s
);
1276 if (eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
) >
1278 wpas_clear_wps(wpa_s
);
1281 wpa_s
->after_wps
= 0;
1287 int wpas_wps_start_reg(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1288 const char *pin
, struct wps_new_ap_settings
*settings
)
1290 struct wpa_ssid
*ssid
;
1296 if (wpa_s
->ap_iface
) {
1297 wpa_printf(MSG_DEBUG
,
1298 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1301 #endif /* CONFIG_AP */
1304 wpas_clear_wps(wpa_s
);
1305 ssid
= wpas_wps_add_network(wpa_s
, 1, NULL
, bssid
);
1308 ssid
->temporary
= 1;
1310 end
= pos
+ sizeof(val
);
1311 res
= os_snprintf(pos
, end
- pos
, "\"pin=%s", pin
);
1312 if (os_snprintf_error(end
- pos
, res
))
1316 res
= os_snprintf(pos
, end
- pos
, " new_ssid=%s new_auth=%s "
1317 "new_encr=%s new_key=%s",
1318 settings
->ssid_hex
, settings
->auth
,
1319 settings
->encr
, settings
->key_hex
);
1320 if (os_snprintf_error(end
- pos
, res
))
1324 res
= os_snprintf(pos
, end
- pos
, "\"");
1325 if (os_snprintf_error(end
- pos
, res
))
1327 if (wpa_config_set(ssid
, "phase1", val
, 0) < 0)
1329 if (wpa_s
->wps_fragment_size
)
1330 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1331 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1333 wpas_wps_reassoc(wpa_s
, ssid
, bssid
, 0);
1338 static int wpas_wps_new_psk_cb(void *ctx
, const u8
*mac_addr
,
1339 const u8
*p2p_dev_addr
, const u8
*psk
,
1342 if (is_zero_ether_addr(p2p_dev_addr
)) {
1343 wpa_printf(MSG_DEBUG
,
1344 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
,
1347 wpa_printf(MSG_DEBUG
,
1348 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1349 " P2P Device Addr " MACSTR
,
1350 MAC2STR(mac_addr
), MAC2STR(p2p_dev_addr
));
1352 wpa_hexdump_key(MSG_DEBUG
, "Per-device PSK", psk
, psk_len
);
1360 static void wpas_wps_pin_needed_cb(void *ctx
, const u8
*uuid_e
,
1361 const struct wps_device_data
*dev
)
1363 char uuid
[40], txt
[400];
1365 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
1366 if (uuid_bin2str(uuid_e
, uuid
, sizeof(uuid
)))
1368 wpa_printf(MSG_DEBUG
, "WPS: PIN needed for UUID-E %s", uuid
);
1369 len
= os_snprintf(txt
, sizeof(txt
), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1370 " [%s|%s|%s|%s|%s|%s]",
1371 uuid
, MAC2STR(dev
->mac_addr
), dev
->device_name
,
1372 dev
->manufacturer
, dev
->model_name
,
1373 dev
->model_number
, dev
->serial_number
,
1374 wps_dev_type_bin2str(dev
->pri_dev_type
, devtype
,
1376 if (!os_snprintf_error(sizeof(txt
), len
))
1377 wpa_printf(MSG_INFO
, "%s", txt
);
1381 static void wpas_wps_set_sel_reg_cb(void *ctx
, int sel_reg
, u16 dev_passwd_id
,
1382 u16 sel_reg_config_methods
)
1384 #ifdef CONFIG_WPS_ER
1385 struct wpa_supplicant
*wpa_s
= ctx
;
1387 if (wpa_s
->wps_er
== NULL
)
1389 wpa_printf(MSG_DEBUG
, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1390 "dev_password_id=%u sel_reg_config_methods=0x%x",
1391 sel_reg
, dev_passwd_id
, sel_reg_config_methods
);
1392 wps_er_set_sel_reg(wpa_s
->wps_er
, sel_reg
, dev_passwd_id
,
1393 sel_reg_config_methods
);
1394 #endif /* CONFIG_WPS_ER */
1398 static u16
wps_fix_config_methods(u16 config_methods
)
1400 if ((config_methods
&
1401 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_VIRT_DISPLAY
|
1402 WPS_CONFIG_PHY_DISPLAY
)) == WPS_CONFIG_DISPLAY
) {
1403 wpa_printf(MSG_INFO
, "WPS: Converting display to "
1404 "virtual_display for WPS 2.0 compliance");
1405 config_methods
|= WPS_CONFIG_VIRT_DISPLAY
;
1407 if ((config_methods
&
1408 (WPS_CONFIG_PUSHBUTTON
| WPS_CONFIG_VIRT_PUSHBUTTON
|
1409 WPS_CONFIG_PHY_PUSHBUTTON
)) == WPS_CONFIG_PUSHBUTTON
) {
1410 wpa_printf(MSG_INFO
, "WPS: Converting push_button to "
1411 "virtual_push_button for WPS 2.0 compliance");
1412 config_methods
|= WPS_CONFIG_VIRT_PUSHBUTTON
;
1415 return config_methods
;
1419 static void wpas_wps_set_uuid(struct wpa_supplicant
*wpa_s
,
1420 struct wps_context
*wps
)
1425 if (is_nil_uuid(wpa_s
->conf
->uuid
)) {
1426 struct wpa_supplicant
*first
;
1427 first
= wpa_s
->global
->ifaces
;
1428 while (first
&& first
->next
)
1429 first
= first
->next
;
1430 if (first
&& first
!= wpa_s
) {
1431 if (wps
!= wpa_s
->global
->ifaces
->wps
)
1432 os_memcpy(wps
->uuid
,
1433 wpa_s
->global
->ifaces
->wps
->uuid
,
1435 src
= "from the first interface";
1437 uuid_gen_mac_addr(wpa_s
->own_addr
, wps
->uuid
);
1438 src
= "based on MAC address";
1441 os_memcpy(wps
->uuid
, wpa_s
->conf
->uuid
, WPS_UUID_LEN
);
1442 src
= "based on configuration";
1445 uuid_bin2str(wps
->uuid
, buf
, sizeof(buf
));
1446 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPS: UUID %s: %s", src
, buf
);
1450 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant
*wpa_s
,
1451 struct wps_context
*wps
)
1453 wpabuf_free(wps
->dev
.vendor_ext_m1
);
1454 wps
->dev
.vendor_ext_m1
= NULL
;
1456 if (wpa_s
->conf
->wps_vendor_ext_m1
) {
1457 wps
->dev
.vendor_ext_m1
=
1458 wpabuf_dup(wpa_s
->conf
->wps_vendor_ext_m1
);
1459 if (!wps
->dev
.vendor_ext_m1
) {
1460 wpa_printf(MSG_ERROR
, "WPS: Cannot "
1461 "allocate memory for vendor_ext_m1");
1467 int wpas_wps_init(struct wpa_supplicant
*wpa_s
)
1469 struct wps_context
*wps
;
1470 struct wps_registrar_config rcfg
;
1471 struct hostapd_hw_modes
*modes
;
1474 wps
= os_zalloc(sizeof(*wps
));
1478 wps
->cred_cb
= wpa_supplicant_wps_cred
;
1479 wps
->event_cb
= wpa_supplicant_wps_event
;
1480 wps
->rf_band_cb
= wpa_supplicant_wps_rf_band
;
1481 wps
->cb_ctx
= wpa_s
;
1483 wps
->dev
.device_name
= wpa_s
->conf
->device_name
;
1484 wps
->dev
.manufacturer
= wpa_s
->conf
->manufacturer
;
1485 wps
->dev
.model_name
= wpa_s
->conf
->model_name
;
1486 wps
->dev
.model_number
= wpa_s
->conf
->model_number
;
1487 wps
->dev
.serial_number
= wpa_s
->conf
->serial_number
;
1488 wps
->config_methods
=
1489 wps_config_methods_str2bin(wpa_s
->conf
->config_methods
);
1490 if ((wps
->config_methods
& (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) ==
1491 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) {
1492 wpa_printf(MSG_ERROR
, "WPS: Both Label and Display config "
1493 "methods are not allowed at the same time");
1497 wps
->config_methods
= wps_fix_config_methods(wps
->config_methods
);
1498 wps
->dev
.config_methods
= wps
->config_methods
;
1499 os_memcpy(wps
->dev
.pri_dev_type
, wpa_s
->conf
->device_type
,
1502 wps
->dev
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
1503 os_memcpy(wps
->dev
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
1504 WPS_DEV_TYPE_LEN
* wps
->dev
.num_sec_dev_types
);
1506 wpas_wps_set_vendor_ext_m1(wpa_s
, wps
);
1508 wps
->dev
.os_version
= WPA_GET_BE32(wpa_s
->conf
->os_version
);
1509 modes
= wpa_s
->hw
.modes
;
1511 for (m
= 0; m
< wpa_s
->hw
.num_modes
; m
++) {
1512 if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211B
||
1513 modes
[m
].mode
== HOSTAPD_MODE_IEEE80211G
)
1514 wps
->dev
.rf_bands
|= WPS_RF_24GHZ
;
1515 else if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211A
)
1516 wps
->dev
.rf_bands
|= WPS_RF_50GHZ
;
1517 else if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211AD
)
1518 wps
->dev
.rf_bands
|= WPS_RF_60GHZ
;
1521 if (wps
->dev
.rf_bands
== 0) {
1523 * Default to claiming support for both bands if the driver
1524 * does not provide support for fetching supported bands.
1526 wps
->dev
.rf_bands
= WPS_RF_24GHZ
| WPS_RF_50GHZ
;
1528 os_memcpy(wps
->dev
.mac_addr
, wpa_s
->own_addr
, ETH_ALEN
);
1529 wpas_wps_set_uuid(wpa_s
, wps
);
1531 wps
->auth_types
= WPS_AUTH_WPA2PSK
| WPS_AUTH_WPAPSK
;
1532 wps
->encr_types
= WPS_ENCR_AES
| WPS_ENCR_TKIP
;
1534 os_memset(&rcfg
, 0, sizeof(rcfg
));
1535 rcfg
.new_psk_cb
= wpas_wps_new_psk_cb
;
1536 rcfg
.pin_needed_cb
= wpas_wps_pin_needed_cb
;
1537 rcfg
.set_sel_reg_cb
= wpas_wps_set_sel_reg_cb
;
1538 rcfg
.cb_ctx
= wpa_s
;
1540 wps
->registrar
= wps_registrar_init(wps
, &rcfg
);
1541 if (wps
->registrar
== NULL
) {
1542 wpa_printf(MSG_DEBUG
, "Failed to initialize WPS Registrar");
1553 #ifdef CONFIG_WPS_ER
1554 static void wpas_wps_nfc_clear(struct wps_context
*wps
)
1556 wps
->ap_nfc_dev_pw_id
= 0;
1557 wpabuf_free(wps
->ap_nfc_dh_pubkey
);
1558 wps
->ap_nfc_dh_pubkey
= NULL
;
1559 wpabuf_free(wps
->ap_nfc_dh_privkey
);
1560 wps
->ap_nfc_dh_privkey
= NULL
;
1561 wpabuf_free(wps
->ap_nfc_dev_pw
);
1562 wps
->ap_nfc_dev_pw
= NULL
;
1564 #endif /* CONFIG_WPS_ER */
1567 void wpas_wps_deinit(struct wpa_supplicant
*wpa_s
)
1569 wpas_wps_assoc_with_cred_cancel(wpa_s
);
1570 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
1571 eloop_cancel_timeout(wpas_wps_clear_timeout
, wpa_s
, NULL
);
1572 eloop_cancel_timeout(wpas_wps_reenable_networks_cb
, wpa_s
, NULL
);
1573 wpas_wps_clear_ap_info(wpa_s
);
1576 eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb
, wpa_s
, NULL
);
1577 #endif /* CONFIG_P2P */
1579 if (wpa_s
->wps
== NULL
)
1582 #ifdef CONFIG_WPS_ER
1583 wps_er_deinit(wpa_s
->wps_er
, NULL
, NULL
);
1584 wpa_s
->wps_er
= NULL
;
1585 wpas_wps_nfc_clear(wpa_s
->wps
);
1586 #endif /* CONFIG_WPS_ER */
1588 wps_registrar_deinit(wpa_s
->wps
->registrar
);
1589 wpabuf_free(wpa_s
->wps
->dh_pubkey
);
1590 wpabuf_free(wpa_s
->wps
->dh_privkey
);
1591 wpabuf_free(wpa_s
->wps
->dev
.vendor_ext_m1
);
1592 os_free(wpa_s
->wps
->network_key
);
1593 os_free(wpa_s
->wps
);
1598 int wpas_wps_ssid_bss_match(struct wpa_supplicant
*wpa_s
,
1599 struct wpa_ssid
*ssid
, struct wpa_bss
*bss
)
1601 struct wpabuf
*wps_ie
;
1603 if (!(ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))
1606 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1607 if (eap_is_wps_pbc_enrollee(&ssid
->eap
)) {
1609 wpa_printf(MSG_DEBUG
, " skip - non-WPS AP");
1613 if (!wps_is_selected_pbc_registrar(wps_ie
)) {
1614 wpa_printf(MSG_DEBUG
, " skip - WPS AP "
1615 "without active PBC Registrar");
1616 wpabuf_free(wps_ie
);
1620 /* TODO: overlap detection */
1621 wpa_printf(MSG_DEBUG
, " selected based on WPS IE "
1623 wpabuf_free(wps_ie
);
1627 if (eap_is_wps_pin_enrollee(&ssid
->eap
)) {
1629 wpa_printf(MSG_DEBUG
, " skip - non-WPS AP");
1634 * Start with WPS APs that advertise our address as an
1635 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1636 * allow any WPS AP after couple of scans since some APs do not
1637 * set Selected Registrar attribute properly when using
1638 * external Registrar.
1640 if (!wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1)) {
1641 struct os_reltime age
;
1643 os_reltime_age(&wpa_s
->wps_pin_start_time
, &age
);
1645 if (wpa_s
->scan_runs
< WPS_PIN_SCAN_IGNORE_SEL_REG
||
1646 age
.sec
< WPS_PIN_TIME_IGNORE_SEL_REG
) {
1647 wpa_printf(MSG_DEBUG
,
1648 " skip - WPS AP without active PIN Registrar (scan_runs=%d age=%d)",
1649 wpa_s
->scan_runs
, (int) age
.sec
);
1650 wpabuf_free(wps_ie
);
1653 wpa_printf(MSG_DEBUG
, " selected based on WPS IE");
1655 wpa_printf(MSG_DEBUG
, " selected based on WPS IE "
1656 "(Authorized MAC or Active PIN)");
1658 wpabuf_free(wps_ie
);
1663 wpa_printf(MSG_DEBUG
, " selected based on WPS IE");
1664 wpabuf_free(wps_ie
);
1672 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant
*wpa_s
,
1673 struct wpa_ssid
*ssid
,
1674 struct wpa_bss
*bss
)
1676 struct wpabuf
*wps_ie
= NULL
;
1679 if (eap_is_wps_pbc_enrollee(&ssid
->eap
)) {
1680 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1681 if (wps_ie
&& wps_is_selected_pbc_registrar(wps_ie
)) {
1682 /* allow wildcard SSID for WPS PBC */
1685 } else if (eap_is_wps_pin_enrollee(&ssid
->eap
)) {
1686 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1688 (wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1) ||
1689 wpa_s
->scan_runs
>= WPS_PIN_SCAN_IGNORE_SEL_REG
)) {
1690 /* allow wildcard SSID for WPS PIN */
1695 if (!ret
&& ssid
->bssid_set
&&
1696 os_memcmp(ssid
->bssid
, bss
->bssid
, ETH_ALEN
) == 0) {
1697 /* allow wildcard SSID due to hardcoded BSSID match */
1701 #ifdef CONFIG_WPS_STRICT
1703 if (wps_validate_beacon_probe_resp(wps_ie
, bss
->beacon_ie_len
>
1706 if (bss
->beacon_ie_len
) {
1707 struct wpabuf
*bcn_wps
;
1708 bcn_wps
= wpa_bss_get_vendor_ie_multi_beacon(
1709 bss
, WPS_IE_VENDOR_TYPE
);
1710 if (bcn_wps
== NULL
) {
1711 wpa_printf(MSG_DEBUG
, "WPS: Mandatory WPS IE "
1712 "missing from AP Beacon");
1715 if (wps_validate_beacon(wps_ie
) < 0)
1717 wpabuf_free(bcn_wps
);
1721 #endif /* CONFIG_WPS_STRICT */
1723 wpabuf_free(wps_ie
);
1729 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant
*wpa_s
,
1730 struct wpa_bss
*selected
, struct wpa_ssid
*ssid
)
1733 struct wpabuf
*wps_ie
;
1737 if (!eap_is_wps_pbc_enrollee(&ssid
->eap
))
1740 wpa_printf(MSG_DEBUG
, "WPS: Check whether PBC session overlap is "
1741 "present in scan results; selected BSSID " MACSTR
,
1742 MAC2STR(selected
->bssid
));
1744 /* Make sure that only one AP is in active PBC mode */
1745 wps_ie
= wpa_bss_get_vendor_ie_multi(selected
, WPS_IE_VENDOR_TYPE
);
1747 sel_uuid
= wps_get_uuid_e(wps_ie
);
1748 wpa_hexdump(MSG_DEBUG
, "WPS: UUID of the selected BSS",
1749 sel_uuid
, UUID_LEN
);
1751 wpa_printf(MSG_DEBUG
, "WPS: Selected BSS does not include "
1756 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
1757 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
1759 if (!ap
->pbc_active
||
1760 os_memcmp(selected
->bssid
, ap
->bssid
, ETH_ALEN
) == 0)
1763 wpa_printf(MSG_DEBUG
, "WPS: Another BSS in active PBC mode: "
1764 MACSTR
, MAC2STR(ap
->bssid
));
1765 wpa_hexdump(MSG_DEBUG
, "WPS: UUID of the other BSS",
1766 ap
->uuid
, UUID_LEN
);
1767 if (sel_uuid
== NULL
||
1768 os_memcmp(sel_uuid
, ap
->uuid
, UUID_LEN
) != 0) {
1769 ret
= 1; /* PBC overlap */
1770 wpa_msg(wpa_s
, MSG_INFO
, "WPS: PBC overlap detected: "
1771 MACSTR
" and " MACSTR
,
1772 MAC2STR(selected
->bssid
),
1773 MAC2STR(ap
->bssid
));
1777 /* TODO: verify that this is reasonable dual-band situation */
1780 wpabuf_free(wps_ie
);
1786 void wpas_wps_notify_scan_results(struct wpa_supplicant
*wpa_s
)
1788 struct wpa_bss
*bss
;
1789 unsigned int pbc
= 0, auth
= 0, pin
= 0, wps
= 0;
1791 if (wpa_s
->disconnected
|| wpa_s
->wpa_state
>= WPA_ASSOCIATED
)
1794 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1796 ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1799 if (wps_is_selected_pbc_registrar(ie
))
1801 else if (wps_is_addr_authorized(ie
, wpa_s
->own_addr
, 0))
1803 else if (wps_is_selected_pin_registrar(ie
))
1811 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_PBC
);
1813 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_AUTH
);
1815 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_PIN
);
1817 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE
);
1821 int wpas_wps_searching(struct wpa_supplicant
*wpa_s
)
1823 struct wpa_ssid
*ssid
;
1825 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1826 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) && !ssid
->disabled
)
1834 int wpas_wps_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
1837 struct wpabuf
*wps_ie
;
1840 wps_ie
= ieee802_11_vendor_ie_concat(ies
, ies_len
, WPS_DEV_OUI_WFA
);
1844 ret
= wps_attr_text(wps_ie
, buf
, end
);
1845 wpabuf_free(wps_ie
);
1850 int wpas_wps_er_start(struct wpa_supplicant
*wpa_s
, const char *filter
)
1852 #ifdef CONFIG_WPS_ER
1853 if (wpa_s
->wps_er
) {
1854 wps_er_refresh(wpa_s
->wps_er
);
1857 wpa_s
->wps_er
= wps_er_init(wpa_s
->wps
, wpa_s
->ifname
, filter
);
1858 if (wpa_s
->wps_er
== NULL
)
1861 #else /* CONFIG_WPS_ER */
1863 #endif /* CONFIG_WPS_ER */
1867 void wpas_wps_er_stop(struct wpa_supplicant
*wpa_s
)
1869 #ifdef CONFIG_WPS_ER
1870 wps_er_deinit(wpa_s
->wps_er
, NULL
, NULL
);
1871 wpa_s
->wps_er
= NULL
;
1872 #endif /* CONFIG_WPS_ER */
1876 #ifdef CONFIG_WPS_ER
1877 int wpas_wps_er_add_pin(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
1878 const char *uuid
, const char *pin
)
1881 const u8
*use_uuid
= NULL
;
1882 u8 addr_buf
[ETH_ALEN
];
1884 if (os_strcmp(uuid
, "any") == 0) {
1885 } else if (uuid_str2bin(uuid
, u
) == 0) {
1887 } else if (hwaddr_aton(uuid
, addr_buf
) == 0) {
1888 use_uuid
= wps_er_get_sta_uuid(wpa_s
->wps_er
, addr_buf
);
1889 if (use_uuid
== NULL
)
1893 return wps_registrar_add_pin(wpa_s
->wps
->registrar
, addr
,
1895 (const u8
*) pin
, os_strlen(pin
), 300);
1899 int wpas_wps_er_pbc(struct wpa_supplicant
*wpa_s
, const char *uuid
)
1901 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
1902 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
1904 if (uuid_str2bin(uuid
, u
) == 0)
1906 else if (hwaddr_aton(uuid
, addr
) == 0)
1910 return wps_er_pbc(wpa_s
->wps_er
, use_uuid
, use_addr
);
1914 int wpas_wps_er_learn(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1917 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
1918 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
1920 if (uuid_str2bin(uuid
, u
) == 0)
1922 else if (hwaddr_aton(uuid
, addr
) == 0)
1927 return wps_er_learn(wpa_s
->wps_er
, use_uuid
, use_addr
, (const u8
*) pin
,
1932 static int wpas_wps_network_to_cred(struct wpa_ssid
*ssid
,
1933 struct wps_credential
*cred
)
1935 os_memset(cred
, 0, sizeof(*cred
));
1936 if (ssid
->ssid_len
> SSID_MAX_LEN
)
1938 os_memcpy(cred
->ssid
, ssid
->ssid
, ssid
->ssid_len
);
1939 cred
->ssid_len
= ssid
->ssid_len
;
1940 if (ssid
->key_mgmt
& WPA_KEY_MGMT_PSK
) {
1941 cred
->auth_type
= (ssid
->proto
& WPA_PROTO_RSN
) ?
1942 WPS_AUTH_WPA2PSK
: WPS_AUTH_WPAPSK
;
1943 if (ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
)
1944 cred
->encr_type
= WPS_ENCR_AES
;
1946 cred
->encr_type
= WPS_ENCR_TKIP
;
1947 if (ssid
->passphrase
) {
1948 cred
->key_len
= os_strlen(ssid
->passphrase
);
1949 if (cred
->key_len
>= 64)
1951 os_memcpy(cred
->key
, ssid
->passphrase
, cred
->key_len
);
1952 } else if (ssid
->psk_set
) {
1954 os_memcpy(cred
->key
, ssid
->psk
, 32);
1958 cred
->auth_type
= WPS_AUTH_OPEN
;
1959 cred
->encr_type
= WPS_ENCR_NONE
;
1966 int wpas_wps_er_set_config(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1969 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
1970 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
1971 struct wpa_ssid
*ssid
;
1972 struct wps_credential cred
;
1975 if (uuid_str2bin(uuid
, u
) == 0)
1977 else if (hwaddr_aton(uuid
, addr
) == 0)
1981 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
1982 if (ssid
== NULL
|| ssid
->ssid
== NULL
)
1985 if (wpas_wps_network_to_cred(ssid
, &cred
) < 0)
1987 ret
= wps_er_set_config(wpa_s
->wps_er
, use_uuid
, use_addr
, &cred
);
1988 os_memset(&cred
, 0, sizeof(cred
));
1993 int wpas_wps_er_config(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1994 const char *pin
, struct wps_new_ap_settings
*settings
)
1996 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
1997 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
1998 struct wps_credential cred
;
2001 if (uuid_str2bin(uuid
, u
) == 0)
2003 else if (hwaddr_aton(uuid
, addr
) == 0)
2007 if (settings
->ssid_hex
== NULL
|| settings
->auth
== NULL
||
2008 settings
->encr
== NULL
|| settings
->key_hex
== NULL
)
2011 os_memset(&cred
, 0, sizeof(cred
));
2012 len
= os_strlen(settings
->ssid_hex
);
2013 if ((len
& 1) || len
> 2 * sizeof(cred
.ssid
) ||
2014 hexstr2bin(settings
->ssid_hex
, cred
.ssid
, len
/ 2))
2016 cred
.ssid_len
= len
/ 2;
2018 len
= os_strlen(settings
->key_hex
);
2019 if ((len
& 1) || len
> 2 * sizeof(cred
.key
) ||
2020 hexstr2bin(settings
->key_hex
, cred
.key
, len
/ 2))
2022 cred
.key_len
= len
/ 2;
2024 if (os_strcmp(settings
->auth
, "OPEN") == 0)
2025 cred
.auth_type
= WPS_AUTH_OPEN
;
2026 else if (os_strcmp(settings
->auth
, "WPAPSK") == 0)
2027 cred
.auth_type
= WPS_AUTH_WPAPSK
;
2028 else if (os_strcmp(settings
->auth
, "WPA2PSK") == 0)
2029 cred
.auth_type
= WPS_AUTH_WPA2PSK
;
2033 if (os_strcmp(settings
->encr
, "NONE") == 0)
2034 cred
.encr_type
= WPS_ENCR_NONE
;
2035 #ifdef CONFIG_TESTING_OPTIONS
2036 else if (os_strcmp(settings
->encr
, "WEP") == 0)
2037 cred
.encr_type
= WPS_ENCR_WEP
;
2038 #endif /* CONFIG_TESTING_OPTIONS */
2039 else if (os_strcmp(settings
->encr
, "TKIP") == 0)
2040 cred
.encr_type
= WPS_ENCR_TKIP
;
2041 else if (os_strcmp(settings
->encr
, "CCMP") == 0)
2042 cred
.encr_type
= WPS_ENCR_AES
;
2046 return wps_er_config(wpa_s
->wps_er
, use_uuid
, use_addr
,
2047 (const u8
*) pin
, os_strlen(pin
), &cred
);
2051 #ifdef CONFIG_WPS_NFC
2052 struct wpabuf
* wpas_wps_er_nfc_config_token(struct wpa_supplicant
*wpa_s
,
2053 int ndef
, const char *uuid
)
2056 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
2057 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
2062 if (uuid_str2bin(uuid
, u
) == 0)
2064 else if (hwaddr_aton(uuid
, addr
) == 0)
2069 ret
= wps_er_nfc_config_token(wpa_s
->wps_er
, use_uuid
, use_addr
);
2072 tmp
= ndef_build_wifi(ret
);
2081 #endif /* CONFIG_WPS_NFC */
2084 static int callbacks_pending
= 0;
2086 static void wpas_wps_terminate_cb(void *ctx
)
2088 wpa_printf(MSG_DEBUG
, "WPS ER: Terminated");
2089 if (--callbacks_pending
<= 0)
2092 #endif /* CONFIG_WPS_ER */
2095 int wpas_wps_terminate_pending(struct wpa_supplicant
*wpa_s
)
2097 #ifdef CONFIG_WPS_ER
2098 if (wpa_s
->wps_er
) {
2099 callbacks_pending
++;
2100 wps_er_deinit(wpa_s
->wps_er
, wpas_wps_terminate_cb
, wpa_s
);
2101 wpa_s
->wps_er
= NULL
;
2104 #endif /* CONFIG_WPS_ER */
2109 void wpas_wps_update_config(struct wpa_supplicant
*wpa_s
)
2111 struct wps_context
*wps
= wpa_s
->wps
;
2116 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
) {
2117 wps
->config_methods
= wps_config_methods_str2bin(
2118 wpa_s
->conf
->config_methods
);
2119 if ((wps
->config_methods
&
2120 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) ==
2121 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) {
2122 wpa_printf(MSG_ERROR
, "WPS: Both Label and Display "
2123 "config methods are not allowed at the "
2125 wps
->config_methods
&= ~WPS_CONFIG_LABEL
;
2128 wps
->config_methods
= wps_fix_config_methods(wps
->config_methods
);
2129 wps
->dev
.config_methods
= wps
->config_methods
;
2131 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
2132 os_memcpy(wps
->dev
.pri_dev_type
, wpa_s
->conf
->device_type
,
2135 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
) {
2136 wps
->dev
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
2137 os_memcpy(wps
->dev
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
2138 wps
->dev
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
2141 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
)
2142 wpas_wps_set_vendor_ext_m1(wpa_s
, wps
);
2144 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_OS_VERSION
)
2145 wps
->dev
.os_version
= WPA_GET_BE32(wpa_s
->conf
->os_version
);
2147 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
)
2148 wpas_wps_set_uuid(wpa_s
, wps
);
2150 if (wpa_s
->conf
->changed_parameters
&
2151 (CFG_CHANGED_DEVICE_NAME
| CFG_CHANGED_WPS_STRING
)) {
2152 /* Update pointers to make sure they refer current values */
2153 wps
->dev
.device_name
= wpa_s
->conf
->device_name
;
2154 wps
->dev
.manufacturer
= wpa_s
->conf
->manufacturer
;
2155 wps
->dev
.model_name
= wpa_s
->conf
->model_name
;
2156 wps
->dev
.model_number
= wpa_s
->conf
->model_number
;
2157 wps
->dev
.serial_number
= wpa_s
->conf
->serial_number
;
2162 #ifdef CONFIG_WPS_NFC
2164 #ifdef CONFIG_WPS_ER
2165 static struct wpabuf
*
2166 wpas_wps_network_config_token(struct wpa_supplicant
*wpa_s
, int ndef
,
2167 struct wpa_ssid
*ssid
)
2170 struct wps_credential cred
;
2172 if (wpas_wps_network_to_cred(ssid
, &cred
) < 0)
2175 ret
= wps_er_config_token_from_cred(wpa_s
->wps
, &cred
);
2179 tmp
= ndef_build_wifi(ret
);
2188 #endif /* CONFIG_WPS_ER */
2191 struct wpabuf
* wpas_wps_nfc_config_token(struct wpa_supplicant
*wpa_s
,
2192 int ndef
, const char *id_str
)
2194 #ifdef CONFIG_WPS_ER
2198 struct wpa_ssid
*ssid
;
2200 id
= strtol(id_str
, &end
, 10);
2204 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
2207 return wpas_wps_network_config_token(wpa_s
, ndef
, ssid
);
2209 #endif /* CONFIG_WPS_ER */
2211 if (wpa_s
->ap_iface
)
2212 return wpas_ap_wps_nfc_config_token(wpa_s
, ndef
);
2213 #endif /* CONFIG_AP */
2218 struct wpabuf
* wpas_wps_nfc_token(struct wpa_supplicant
*wpa_s
, int ndef
)
2220 if (wpa_s
->conf
->wps_nfc_pw_from_config
) {
2221 return wps_nfc_token_build(ndef
,
2222 wpa_s
->conf
->wps_nfc_dev_pw_id
,
2223 wpa_s
->conf
->wps_nfc_dh_pubkey
,
2224 wpa_s
->conf
->wps_nfc_dev_pw
);
2227 return wps_nfc_token_gen(ndef
, &wpa_s
->conf
->wps_nfc_dev_pw_id
,
2228 &wpa_s
->conf
->wps_nfc_dh_pubkey
,
2229 &wpa_s
->conf
->wps_nfc_dh_privkey
,
2230 &wpa_s
->conf
->wps_nfc_dev_pw
);
2234 int wpas_wps_start_nfc(struct wpa_supplicant
*wpa_s
, const u8
*go_dev_addr
,
2236 const struct wpabuf
*dev_pw
, u16 dev_pw_id
,
2237 int p2p_group
, const u8
*peer_pubkey_hash
,
2238 const u8
*ssid
, size_t ssid_len
, int freq
)
2240 struct wps_context
*wps
= wpa_s
->wps
;
2241 char pw
[32 * 2 + 1];
2243 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
&& dev_pw
== NULL
) {
2244 dev_pw
= wpa_s
->conf
->wps_nfc_dev_pw
;
2245 dev_pw_id
= wpa_s
->conf
->wps_nfc_dev_pw_id
;
2248 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
2249 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
) {
2250 wpa_printf(MSG_DEBUG
, "WPS: Missing DH params - "
2251 "cannot start NFC-triggered connection");
2255 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
&& dev_pw
== NULL
) {
2256 wpa_printf(MSG_DEBUG
, "WPS: Missing Device Password (id=%u) - "
2257 "cannot start NFC-triggered connection", dev_pw_id
);
2261 dh5_free(wps
->dh_ctx
);
2262 wpabuf_free(wps
->dh_pubkey
);
2263 wpabuf_free(wps
->dh_privkey
);
2264 wps
->dh_privkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
2265 wps
->dh_pubkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
2266 if (wps
->dh_privkey
== NULL
|| wps
->dh_pubkey
== NULL
) {
2268 wpabuf_free(wps
->dh_pubkey
);
2269 wps
->dh_pubkey
= NULL
;
2270 wpabuf_free(wps
->dh_privkey
);
2271 wps
->dh_privkey
= NULL
;
2272 wpa_printf(MSG_DEBUG
, "WPS: Failed to get DH priv/pub key");
2275 wps
->dh_ctx
= dh5_init_fixed(wps
->dh_privkey
, wps
->dh_pubkey
);
2276 if (wps
->dh_ctx
== NULL
) {
2277 wpabuf_free(wps
->dh_pubkey
);
2278 wps
->dh_pubkey
= NULL
;
2279 wpabuf_free(wps
->dh_privkey
);
2280 wps
->dh_privkey
= NULL
;
2281 wpa_printf(MSG_DEBUG
, "WPS: Failed to initialize DH context");
2286 wpa_snprintf_hex_uppercase(pw
, sizeof(pw
),
2287 wpabuf_head(dev_pw
),
2288 wpabuf_len(dev_pw
));
2290 return wpas_wps_start_dev_pw(wpa_s
, go_dev_addr
, bssid
,
2292 p2p_group
, dev_pw_id
, peer_pubkey_hash
,
2293 ssid
, ssid_len
, freq
);
2297 static int wpas_wps_use_cred(struct wpa_supplicant
*wpa_s
,
2298 struct wps_parse_attr
*attr
)
2301 * Disable existing networks temporarily to allow the newly learned
2302 * credential to be preferred. Enable the temporarily disabled networks
2305 wpas_wps_temp_disable(wpa_s
, NULL
);
2306 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb
, wpa_s
,
2309 if (wps_oob_use_cred(wpa_s
->wps
, attr
) < 0)
2312 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
2315 if (attr
->ap_channel
) {
2316 u16 chan
= WPA_GET_BE16(attr
->ap_channel
);
2319 if (chan
>= 1 && chan
<= 13)
2320 freq
= 2407 + 5 * chan
;
2321 else if (chan
== 14)
2323 else if (chan
>= 30)
2324 freq
= 5000 + 5 * chan
;
2327 wpa_printf(MSG_DEBUG
, "WPS: Credential container indicated AP channel %u -> %u MHz",
2329 wpa_s
->after_wps
= 5;
2330 wpa_s
->wps_freq
= freq
;
2334 wpa_printf(MSG_DEBUG
, "WPS: Request reconnection with new network "
2335 "based on the received credential added");
2336 wpa_s
->normal_scans
= 0;
2337 wpa_supplicant_reinit_autoscan(wpa_s
);
2338 wpa_s
->disconnected
= 0;
2339 wpa_s
->reassociate
= 1;
2341 wpa_supplicant_cancel_sched_scan(wpa_s
);
2342 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2348 #ifdef CONFIG_WPS_ER
2349 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant
*wpa_s
,
2350 struct wps_parse_attr
*attr
)
2352 return wps_registrar_add_nfc_password_token(
2353 wpa_s
->wps
->registrar
, attr
->oob_dev_password
,
2354 attr
->oob_dev_password_len
);
2356 #endif /* CONFIG_WPS_ER */
2359 static int wpas_wps_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
2360 const struct wpabuf
*wps
)
2362 struct wps_parse_attr attr
;
2364 wpa_hexdump_buf(MSG_DEBUG
, "WPS: Received NFC tag payload", wps
);
2366 if (wps_parse_msg(wps
, &attr
)) {
2367 wpa_printf(MSG_DEBUG
, "WPS: Ignore invalid data from NFC tag");
2372 return wpas_wps_use_cred(wpa_s
, &attr
);
2374 #ifdef CONFIG_WPS_ER
2375 if (attr
.oob_dev_password
)
2376 return wpas_wps_add_nfc_password_token(wpa_s
, &attr
);
2377 #endif /* CONFIG_WPS_ER */
2379 wpa_printf(MSG_DEBUG
, "WPS: Ignore unrecognized NFC tag");
2384 int wpas_wps_nfc_tag_read(struct wpa_supplicant
*wpa_s
,
2385 const struct wpabuf
*data
, int forced_freq
)
2387 const struct wpabuf
*wps
= data
;
2388 struct wpabuf
*tmp
= NULL
;
2391 if (wpabuf_len(data
) < 4)
2394 if (*wpabuf_head_u8(data
) != 0x10) {
2395 /* Assume this contains full NDEF record */
2396 tmp
= ndef_parse_wifi(data
);
2399 tmp
= ndef_parse_p2p(data
);
2401 ret
= wpas_p2p_nfc_tag_process(wpa_s
, tmp
,
2406 #endif /* CONFIG_P2P */
2407 wpa_printf(MSG_DEBUG
, "WPS: Could not parse NDEF");
2413 ret
= wpas_wps_nfc_tag_process(wpa_s
, wps
);
2419 struct wpabuf
* wpas_wps_nfc_handover_req(struct wpa_supplicant
*wpa_s
,
2424 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
&&
2425 wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
2426 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
2429 ret
= wps_build_nfc_handover_req(wpa_s
->wps
,
2430 wpa_s
->conf
->wps_nfc_dh_pubkey
);
2434 tmp
= ndef_build_wifi(ret
);
2445 #ifdef CONFIG_WPS_NFC
2447 static struct wpabuf
*
2448 wpas_wps_er_nfc_handover_sel(struct wpa_supplicant
*wpa_s
, int ndef
,
2451 #ifdef CONFIG_WPS_ER
2453 u8 u
[UUID_LEN
], *use_uuid
= NULL
;
2454 u8 addr
[ETH_ALEN
], *use_addr
= NULL
;
2455 struct wps_context
*wps
= wpa_s
->wps
;
2462 if (uuid_str2bin(uuid
, u
) == 0)
2464 else if (hwaddr_aton(uuid
, addr
) == 0)
2469 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
) {
2470 if (wps_nfc_gen_dh(&wpa_s
->conf
->wps_nfc_dh_pubkey
,
2471 &wpa_s
->conf
->wps_nfc_dh_privkey
) < 0)
2475 wpas_wps_nfc_clear(wps
);
2476 wps
->ap_nfc_dev_pw_id
= DEV_PW_NFC_CONNECTION_HANDOVER
;
2477 wps
->ap_nfc_dh_pubkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
2478 wps
->ap_nfc_dh_privkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
2479 if (!wps
->ap_nfc_dh_pubkey
|| !wps
->ap_nfc_dh_privkey
) {
2480 wpas_wps_nfc_clear(wps
);
2484 ret
= wps_er_nfc_handover_sel(wpa_s
->wps_er
, wpa_s
->wps
, use_uuid
,
2485 use_addr
, wpa_s
->conf
->wps_nfc_dh_pubkey
);
2488 tmp
= ndef_build_wifi(ret
);
2496 #else /* CONFIG_WPS_ER */
2498 #endif /* CONFIG_WPS_ER */
2500 #endif /* CONFIG_WPS_NFC */
2503 struct wpabuf
* wpas_wps_nfc_handover_sel(struct wpa_supplicant
*wpa_s
,
2504 int ndef
, int cr
, const char *uuid
)
2509 ret
= wpas_ap_wps_nfc_handover_sel(wpa_s
, ndef
);
2512 return wpas_wps_er_nfc_handover_sel(wpa_s
, ndef
, uuid
);
2516 static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant
*wpa_s
,
2517 const struct wpabuf
*data
)
2524 struct wps_parse_attr attr
;
2526 const u8
*bssid
= NULL
;
2529 wps
= ndef_parse_wifi(data
);
2532 wpa_printf(MSG_DEBUG
, "WPS: Received application/vnd.wfa.wsc "
2533 "payload from NFC connection handover");
2534 wpa_hexdump_buf(MSG_DEBUG
, "WPS: NFC payload", wps
);
2535 if (wpabuf_len(wps
) < 2) {
2536 wpa_printf(MSG_DEBUG
, "WPS: Too short Wi-Fi Handover Select "
2540 pos
= wpabuf_head(wps
);
2541 wsc_len
= WPA_GET_BE16(pos
);
2542 if (wsc_len
> wpabuf_len(wps
) - 2) {
2543 wpa_printf(MSG_DEBUG
, "WPS: Invalid WSC attribute length (%u) "
2544 "in Wi-Fi Handover Select Message", wsc_len
);
2549 wpa_hexdump(MSG_DEBUG
,
2550 "WPS: WSC attributes in Wi-Fi Handover Select Message",
2552 if (wsc_len
< wpabuf_len(wps
) - 2) {
2553 wpa_hexdump(MSG_DEBUG
,
2554 "WPS: Ignore extra data after WSC attributes",
2555 pos
+ wsc_len
, wpabuf_len(wps
) - 2 - wsc_len
);
2558 wpabuf_set(&msg
, pos
, wsc_len
);
2559 ret
= wps_parse_msg(&msg
, &attr
);
2561 wpa_printf(MSG_DEBUG
, "WPS: Could not parse WSC attributes in "
2562 "Wi-Fi Handover Select Message");
2566 if (attr
.oob_dev_password
== NULL
||
2567 attr
.oob_dev_password_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
2568 wpa_printf(MSG_DEBUG
, "WPS: No Out-of-Band Device Password "
2569 "included in Wi-Fi Handover Select Message");
2574 if (attr
.ssid
== NULL
) {
2575 wpa_printf(MSG_DEBUG
, "WPS: No SSID included in Wi-Fi Handover "
2581 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: SSID", attr
.ssid
, attr
.ssid_len
);
2583 if (attr
.mac_addr
) {
2584 bssid
= attr
.mac_addr
;
2585 wpa_printf(MSG_DEBUG
, "WPS: MAC Address (BSSID): " MACSTR
,
2590 wpa_printf(MSG_DEBUG
, "WPS: RF Bands: %d", *attr
.rf_bands
);
2592 if (attr
.ap_channel
) {
2593 u16 chan
= WPA_GET_BE16(attr
.ap_channel
);
2595 wpa_printf(MSG_DEBUG
, "WPS: AP Channel: %d", chan
);
2597 if (chan
>= 1 && chan
<= 13 &&
2598 (attr
.rf_bands
== NULL
|| *attr
.rf_bands
& WPS_RF_24GHZ
))
2599 freq
= 2407 + 5 * chan
;
2600 else if (chan
== 14 &&
2601 (attr
.rf_bands
== NULL
||
2602 *attr
.rf_bands
& WPS_RF_24GHZ
))
2604 else if (chan
>= 30 &&
2605 (attr
.rf_bands
== NULL
||
2606 *attr
.rf_bands
& WPS_RF_50GHZ
))
2607 freq
= 5000 + 5 * chan
;
2608 else if (chan
>= 1 && chan
<= 4 &&
2609 (attr
.rf_bands
== NULL
||
2610 *attr
.rf_bands
& WPS_RF_60GHZ
))
2611 freq
= 56160 + 2160 * chan
;
2614 wpa_printf(MSG_DEBUG
,
2615 "WPS: AP indicated channel %u -> %u MHz",
2620 wpa_hexdump(MSG_DEBUG
, "WPS: Out-of-Band Device Password",
2621 attr
.oob_dev_password
, attr
.oob_dev_password_len
);
2622 dev_pw_id
= WPA_GET_BE16(attr
.oob_dev_password
+
2623 WPS_OOB_PUBKEY_HASH_LEN
);
2624 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
) {
2625 wpa_printf(MSG_DEBUG
, "WPS: Unexpected OOB Device Password ID "
2626 "%u in Wi-Fi Handover Select Message", dev_pw_id
);
2630 wpa_hexdump(MSG_DEBUG
, "WPS: AP Public Key hash",
2631 attr
.oob_dev_password
, WPS_OOB_PUBKEY_HASH_LEN
);
2633 ret
= wpas_wps_start_nfc(wpa_s
, NULL
, bssid
, NULL
, dev_pw_id
, 0,
2634 attr
.oob_dev_password
,
2635 attr
.ssid
, attr
.ssid_len
, freq
);
2643 int wpas_wps_nfc_report_handover(struct wpa_supplicant
*wpa_s
,
2644 const struct wpabuf
*req
,
2645 const struct wpabuf
*sel
)
2647 wpa_printf(MSG_DEBUG
, "NFC: WPS connection handover reported");
2648 wpa_hexdump_buf_key(MSG_DEBUG
, "WPS: Carrier record in request", req
);
2649 wpa_hexdump_buf_key(MSG_DEBUG
, "WPS: Carrier record in select", sel
);
2650 return wpas_wps_nfc_rx_handover_sel(wpa_s
, sel
);
2654 int wpas_er_wps_nfc_report_handover(struct wpa_supplicant
*wpa_s
,
2655 const struct wpabuf
*req
,
2656 const struct wpabuf
*sel
)
2663 struct wps_parse_attr attr
;
2667 * Enrollee/station is always initiator of the NFC connection handover,
2668 * so use the request message here to find Enrollee public key hash.
2670 wps
= ndef_parse_wifi(req
);
2673 wpa_printf(MSG_DEBUG
, "WPS: Received application/vnd.wfa.wsc "
2674 "payload from NFC connection handover");
2675 wpa_hexdump_buf(MSG_DEBUG
, "WPS: NFC payload", wps
);
2676 if (wpabuf_len(wps
) < 2) {
2677 wpa_printf(MSG_DEBUG
, "WPS: Too short Wi-Fi Handover Request "
2681 pos
= wpabuf_head(wps
);
2682 wsc_len
= WPA_GET_BE16(pos
);
2683 if (wsc_len
> wpabuf_len(wps
) - 2) {
2684 wpa_printf(MSG_DEBUG
, "WPS: Invalid WSC attribute length (%u) "
2685 "in rt Wi-Fi Handover Request Message", wsc_len
);
2690 wpa_hexdump(MSG_DEBUG
,
2691 "WPS: WSC attributes in Wi-Fi Handover Request Message",
2693 if (wsc_len
< wpabuf_len(wps
) - 2) {
2694 wpa_hexdump(MSG_DEBUG
,
2695 "WPS: Ignore extra data after WSC attributes",
2696 pos
+ wsc_len
, wpabuf_len(wps
) - 2 - wsc_len
);
2699 wpabuf_set(&msg
, pos
, wsc_len
);
2700 ret
= wps_parse_msg(&msg
, &attr
);
2702 wpa_printf(MSG_DEBUG
, "WPS: Could not parse WSC attributes in "
2703 "Wi-Fi Handover Request Message");
2707 if (attr
.oob_dev_password
== NULL
||
2708 attr
.oob_dev_password_len
< WPS_OOB_PUBKEY_HASH_LEN
+ 2) {
2709 wpa_printf(MSG_DEBUG
, "WPS: No Out-of-Band Device Password "
2710 "included in Wi-Fi Handover Request Message");
2715 if (attr
.uuid_e
== NULL
) {
2716 wpa_printf(MSG_DEBUG
, "WPS: No UUID-E included in Wi-Fi "
2717 "Handover Request Message");
2722 wpa_hexdump(MSG_DEBUG
, "WPS: UUID-E", attr
.uuid_e
, WPS_UUID_LEN
);
2724 wpa_hexdump(MSG_DEBUG
, "WPS: Out-of-Band Device Password",
2725 attr
.oob_dev_password
, attr
.oob_dev_password_len
);
2726 dev_pw_id
= WPA_GET_BE16(attr
.oob_dev_password
+
2727 WPS_OOB_PUBKEY_HASH_LEN
);
2728 if (dev_pw_id
!= DEV_PW_NFC_CONNECTION_HANDOVER
) {
2729 wpa_printf(MSG_DEBUG
, "WPS: Unexpected OOB Device Password ID "
2730 "%u in Wi-Fi Handover Request Message", dev_pw_id
);
2734 wpa_hexdump(MSG_DEBUG
, "WPS: Enrollee Public Key hash",
2735 attr
.oob_dev_password
, WPS_OOB_PUBKEY_HASH_LEN
);
2737 ret
= wps_registrar_add_nfc_pw_token(wpa_s
->wps
->registrar
,
2738 attr
.oob_dev_password
,
2739 DEV_PW_NFC_CONNECTION_HANDOVER
,
2747 #endif /* CONFIG_WPS_NFC */
2750 static void wpas_wps_dump_ap_info(struct wpa_supplicant
*wpa_s
)
2753 struct os_reltime now
;
2755 if (wpa_debug_level
> MSG_DEBUG
)
2758 if (wpa_s
->wps_ap
== NULL
)
2761 os_get_reltime(&now
);
2763 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
2764 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
2765 struct wpa_blacklist
*e
= wpa_blacklist_get(wpa_s
, ap
->bssid
);
2767 wpa_printf(MSG_DEBUG
, "WPS: AP[%d] " MACSTR
" type=%d "
2768 "tries=%d last_attempt=%d sec ago blacklist=%d",
2769 (int) i
, MAC2STR(ap
->bssid
), ap
->type
, ap
->tries
,
2770 ap
->last_attempt
.sec
> 0 ?
2771 (int) now
.sec
- (int) ap
->last_attempt
.sec
: -1,
2777 static struct wps_ap_info
* wpas_wps_get_ap_info(struct wpa_supplicant
*wpa_s
,
2782 if (wpa_s
->wps_ap
== NULL
)
2785 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
2786 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
2787 if (os_memcmp(ap
->bssid
, bssid
, ETH_ALEN
) == 0)
2795 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant
*wpa_s
,
2796 struct wpa_scan_res
*res
)
2799 enum wps_ap_info_type type
;
2800 struct wps_ap_info
*ap
;
2804 if (wpa_scan_get_vendor_ie(res
, WPS_IE_VENDOR_TYPE
) == NULL
)
2807 wps
= wpa_scan_get_vendor_ie_multi(res
, WPS_IE_VENDOR_TYPE
);
2811 r
= wps_is_addr_authorized(wps
, wpa_s
->own_addr
, 1);
2813 type
= WPS_AP_SEL_REG_OUR
;
2815 type
= WPS_AP_SEL_REG
;
2817 type
= WPS_AP_NOT_SEL_REG
;
2819 uuid
= wps_get_uuid_e(wps
);
2820 pbc_active
= wps_is_selected_pbc_registrar(wps
);
2822 ap
= wpas_wps_get_ap_info(wpa_s
, res
->bssid
);
2824 if (ap
->type
!= type
) {
2825 wpa_printf(MSG_DEBUG
, "WPS: AP " MACSTR
2826 " changed type %d -> %d",
2827 MAC2STR(res
->bssid
), ap
->type
, type
);
2829 if (type
!= WPS_AP_NOT_SEL_REG
)
2830 wpa_blacklist_del(wpa_s
, ap
->bssid
);
2832 ap
->pbc_active
= pbc_active
;
2834 os_memcpy(ap
->uuid
, uuid
, WPS_UUID_LEN
);
2838 ap
= os_realloc_array(wpa_s
->wps_ap
, wpa_s
->num_wps_ap
+ 1,
2839 sizeof(struct wps_ap_info
));
2844 ap
= &wpa_s
->wps_ap
[wpa_s
->num_wps_ap
];
2845 wpa_s
->num_wps_ap
++;
2847 os_memset(ap
, 0, sizeof(*ap
));
2848 os_memcpy(ap
->bssid
, res
->bssid
, ETH_ALEN
);
2850 ap
->pbc_active
= pbc_active
;
2852 os_memcpy(ap
->uuid
, uuid
, WPS_UUID_LEN
);
2853 wpa_printf(MSG_DEBUG
, "WPS: AP " MACSTR
" type %d added",
2854 MAC2STR(ap
->bssid
), ap
->type
);
2861 void wpas_wps_update_ap_info(struct wpa_supplicant
*wpa_s
,
2862 struct wpa_scan_results
*scan_res
)
2866 for (i
= 0; i
< scan_res
->num
; i
++)
2867 wpas_wps_update_ap_info_bss(wpa_s
, scan_res
->res
[i
]);
2869 wpas_wps_dump_ap_info(wpa_s
);
2873 void wpas_wps_notify_assoc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
2875 struct wps_ap_info
*ap
;
2877 wpa_s
->after_wps
= 0;
2879 if (!wpa_s
->wps_ap_iter
)
2881 ap
= wpas_wps_get_ap_info(wpa_s
, bssid
);
2885 os_get_reltime(&ap
->last_attempt
);