2 * wpa_supplicant / WPS integration
3 * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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 */
42 static void wpas_wps_timeout(void *eloop_ctx
, void *timeout_ctx
);
43 static void wpas_clear_wps(struct wpa_supplicant
*wpa_s
);
46 static void wpas_wps_clear_ap_info(struct wpa_supplicant
*wpa_s
)
48 os_free(wpa_s
->wps_ap
);
50 wpa_s
->num_wps_ap
= 0;
51 wpa_s
->wps_ap_iter
= 0;
55 int wpas_wps_eapol_cb(struct wpa_supplicant
*wpa_s
)
57 if (!wpa_s
->wps_success
&&
58 wpa_s
->current_ssid
&&
59 eap_is_wps_pin_enrollee(&wpa_s
->current_ssid
->eap
)) {
60 const u8
*bssid
= wpa_s
->bssid
;
61 if (is_zero_ether_addr(bssid
))
62 bssid
= wpa_s
->pending_bssid
;
64 wpa_printf(MSG_DEBUG
, "WPS: PIN registration with " MACSTR
65 " did not succeed - continue trying to find "
66 "suitable AP", MAC2STR(bssid
));
67 wpa_blacklist_add(wpa_s
, bssid
);
69 wpa_supplicant_deauthenticate(wpa_s
,
70 WLAN_REASON_DEAUTH_LEAVING
);
71 wpa_s
->reassociate
= 1;
72 wpa_supplicant_req_scan(wpa_s
,
73 wpa_s
->blacklist_cleared
? 5 : 0, 0);
74 wpa_s
->blacklist_cleared
= 0;
78 wpas_wps_clear_ap_info(wpa_s
);
79 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
80 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
&& !wpa_s
->wps_success
)
81 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_FAIL
);
83 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
&& wpa_s
->current_ssid
&&
84 !(wpa_s
->current_ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
85 int disabled
= wpa_s
->current_ssid
->disabled
;
86 unsigned int freq
= wpa_s
->assoc_freq
;
87 wpa_printf(MSG_DEBUG
, "WPS: Network configuration replaced - "
88 "try to associate with the received credential "
90 wpa_supplicant_deauthenticate(wpa_s
,
91 WLAN_REASON_DEAUTH_LEAVING
);
93 wpa_printf(MSG_DEBUG
, "WPS: Current network is "
94 "disabled - wait for user to enable");
98 wpa_s
->wps_freq
= freq
;
99 wpa_s
->normal_scans
= 0;
100 wpa_s
->reassociate
= 1;
101 wpa_supplicant_req_scan(wpa_s
, 0, 0);
105 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
&& wpa_s
->current_ssid
) {
106 wpa_printf(MSG_DEBUG
, "WPS: Registration completed - waiting "
107 "for external credential processing");
108 wpas_clear_wps(wpa_s
);
109 wpa_supplicant_deauthenticate(wpa_s
,
110 WLAN_REASON_DEAUTH_LEAVING
);
118 static void wpas_wps_security_workaround(struct wpa_supplicant
*wpa_s
,
119 struct wpa_ssid
*ssid
,
120 const struct wps_credential
*cred
)
122 struct wpa_driver_capa capa
;
125 struct wpa_ie_data adv
;
126 int wpa2
= 0, ccmp
= 0;
129 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
130 * case they are configured for mixed mode operation (WPA+WPA2 and
131 * TKIP+CCMP). Try to use scan results to figure out whether the AP
132 * actually supports stronger security and select that if the client
133 * has support for it, too.
136 if (wpa_drv_get_capa(wpa_s
, &capa
))
137 return; /* Unknown what driver supports */
139 if (ssid
->ssid
== NULL
)
141 bss
= wpa_bss_get(wpa_s
, cred
->mac_addr
, ssid
->ssid
, ssid
->ssid_len
);
143 wpa_printf(MSG_DEBUG
, "WPS: The AP was not found from BSS "
144 "table - use credential as-is");
148 wpa_printf(MSG_DEBUG
, "WPS: AP found from BSS table");
150 ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
151 if (ie
&& wpa_parse_wpa_ie(ie
, 2 + ie
[1], &adv
) == 0) {
153 if (adv
.pairwise_cipher
& WPA_CIPHER_CCMP
)
156 ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
157 if (ie
&& wpa_parse_wpa_ie(ie
, 2 + ie
[1], &adv
) == 0 &&
158 adv
.pairwise_cipher
& WPA_CIPHER_CCMP
)
162 if (ie
== NULL
&& (ssid
->proto
& WPA_PROTO_WPA
) &&
163 (ssid
->pairwise_cipher
& WPA_CIPHER_TKIP
)) {
165 * TODO: This could be the initial AP configuration and the
166 * Beacon contents could change shortly. Should request a new
167 * scan and delay addition of the network until the updated
168 * scan results are available.
170 wpa_printf(MSG_DEBUG
, "WPS: The AP did not yet advertise WPA "
171 "support - use credential as-is");
175 if (ccmp
&& !(ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
) &&
176 (ssid
->pairwise_cipher
& WPA_CIPHER_TKIP
) &&
177 (capa
.key_mgmt
& WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK
)) {
178 wpa_printf(MSG_DEBUG
, "WPS: Add CCMP into the credential "
179 "based on scan results");
180 if (wpa_s
->conf
->ap_scan
== 1)
181 ssid
->pairwise_cipher
|= WPA_CIPHER_CCMP
;
183 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
186 if (wpa2
&& !(ssid
->proto
& WPA_PROTO_RSN
) &&
187 (ssid
->proto
& WPA_PROTO_WPA
) &&
188 (capa
.enc
& WPA_DRIVER_CAPA_ENC_CCMP
)) {
189 wpa_printf(MSG_DEBUG
, "WPS: Add WPA2 into the credential "
190 "based on scan results");
191 if (wpa_s
->conf
->ap_scan
== 1)
192 ssid
->proto
|= WPA_PROTO_RSN
;
194 ssid
->proto
= WPA_PROTO_RSN
;
199 static int wpa_supplicant_wps_cred(void *ctx
,
200 const struct wps_credential
*cred
)
202 struct wpa_supplicant
*wpa_s
= ctx
;
203 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
206 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
208 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
210 if ((wpa_s
->conf
->wps_cred_processing
== 1 ||
211 wpa_s
->conf
->wps_cred_processing
== 2) && cred
->cred_attr
) {
212 size_t blen
= cred
->cred_attr_len
* 2 + 1;
213 char *buf
= os_malloc(blen
);
215 wpa_snprintf_hex(buf
, blen
,
216 cred
->cred_attr
, cred
->cred_attr_len
);
217 wpa_msg(wpa_s
, MSG_INFO
, "%s%s",
218 WPS_EVENT_CRED_RECEIVED
, buf
);
222 wpas_notify_wps_credential(wpa_s
, cred
);
224 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_CRED_RECEIVED
);
226 wpa_hexdump_key(MSG_DEBUG
, "WPS: Received Credential attribute",
227 cred
->cred_attr
, cred
->cred_attr_len
);
229 if (wpa_s
->conf
->wps_cred_processing
== 1)
232 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: SSID", cred
->ssid
, cred
->ssid_len
);
233 wpa_printf(MSG_DEBUG
, "WPS: Authentication Type 0x%x",
235 wpa_printf(MSG_DEBUG
, "WPS: Encryption Type 0x%x", cred
->encr_type
);
236 wpa_printf(MSG_DEBUG
, "WPS: Network Key Index %d", cred
->key_idx
);
237 wpa_hexdump_key(MSG_DEBUG
, "WPS: Network Key",
238 cred
->key
, cred
->key_len
);
239 wpa_printf(MSG_DEBUG
, "WPS: MAC Address " MACSTR
,
240 MAC2STR(cred
->mac_addr
));
242 auth_type
= cred
->auth_type
;
243 if (auth_type
== (WPS_AUTH_WPAPSK
| WPS_AUTH_WPA2PSK
)) {
244 wpa_printf(MSG_DEBUG
, "WPS: Workaround - convert mixed-mode "
245 "auth_type into WPA2PSK");
246 auth_type
= WPS_AUTH_WPA2PSK
;
249 if (auth_type
!= WPS_AUTH_OPEN
&&
250 auth_type
!= WPS_AUTH_SHARED
&&
251 auth_type
!= WPS_AUTH_WPAPSK
&&
252 auth_type
!= WPS_AUTH_WPA2PSK
) {
253 wpa_printf(MSG_DEBUG
, "WPS: Ignored credentials for "
254 "unsupported authentication type 0x%x",
259 if (ssid
&& (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
260 wpa_printf(MSG_DEBUG
, "WPS: Replace WPS network block based "
261 "on the received credential");
262 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
263 if (ssid
->eap
.identity
&&
264 ssid
->eap
.identity_len
== WSC_ID_REGISTRAR_LEN
&&
265 os_memcmp(ssid
->eap
.identity
, WSC_ID_REGISTRAR
,
266 WSC_ID_REGISTRAR_LEN
) == 0)
268 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
269 os_free(ssid
->eap
.identity
);
270 ssid
->eap
.identity
= NULL
;
271 ssid
->eap
.identity_len
= 0;
272 os_free(ssid
->eap
.phase1
);
273 ssid
->eap
.phase1
= NULL
;
274 os_free(ssid
->eap
.eap_methods
);
275 ssid
->eap
.eap_methods
= NULL
;
276 if (!ssid
->p2p_group
) {
280 ssid
->disabled_until
.sec
= 0;
281 ssid
->disabled_until
.usec
= 0;
282 ssid
->auth_failures
= 0;
284 wpa_printf(MSG_DEBUG
, "WPS: Create a new network based on the "
285 "received credential");
286 ssid
= wpa_config_add_network(wpa_s
->conf
);
289 wpas_notify_network_added(wpa_s
, ssid
);
292 wpa_config_set_network_defaults(ssid
);
295 ssid
->ssid
= os_malloc(cred
->ssid_len
);
297 os_memcpy(ssid
->ssid
, cred
->ssid
, cred
->ssid_len
);
298 ssid
->ssid_len
= cred
->ssid_len
;
301 switch (cred
->encr_type
) {
305 if (cred
->key_len
<= 0)
307 if (cred
->key_len
!= 5 && cred
->key_len
!= 13 &&
308 cred
->key_len
!= 10 && cred
->key_len
!= 26) {
309 wpa_printf(MSG_ERROR
, "WPS: Invalid WEP Key length "
310 "%lu", (unsigned long) cred
->key_len
);
313 if (cred
->key_idx
> NUM_WEP_KEYS
) {
314 wpa_printf(MSG_ERROR
, "WPS: Invalid WEP Key index %d",
319 key_idx
= cred
->key_idx
- 1;
320 if (cred
->key_len
== 10 || cred
->key_len
== 26) {
321 if (hexstr2bin((char *) cred
->key
,
322 ssid
->wep_key
[key_idx
],
323 cred
->key_len
/ 2) < 0) {
324 wpa_printf(MSG_ERROR
, "WPS: Invalid WEP Key "
328 ssid
->wep_key_len
[key_idx
] = cred
->key_len
/ 2;
330 os_memcpy(ssid
->wep_key
[key_idx
], cred
->key
,
332 ssid
->wep_key_len
[key_idx
] = cred
->key_len
;
334 ssid
->wep_tx_keyidx
= key_idx
;
337 ssid
->pairwise_cipher
= WPA_CIPHER_TKIP
;
340 ssid
->pairwise_cipher
= WPA_CIPHER_CCMP
;
346 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
347 ssid
->key_mgmt
= WPA_KEY_MGMT_NONE
;
349 #ifdef CONFIG_WPS_REG_DISABLE_OPEN
351 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_OPEN_NETWORK
352 "id=%d - Credentials for an open "
353 "network disabled by default - use "
354 "'select_network %d' to enable",
358 #endif /* CONFIG_WPS_REG_DISABLE_OPEN */
360 case WPS_AUTH_SHARED
:
361 ssid
->auth_alg
= WPA_AUTH_ALG_SHARED
;
362 ssid
->key_mgmt
= WPA_KEY_MGMT_NONE
;
365 case WPS_AUTH_WPAPSK
:
366 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
367 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
368 ssid
->proto
= WPA_PROTO_WPA
;
370 case WPS_AUTH_WPA2PSK
:
371 ssid
->auth_alg
= WPA_AUTH_ALG_OPEN
;
372 ssid
->key_mgmt
= WPA_KEY_MGMT_PSK
;
373 ssid
->proto
= WPA_PROTO_RSN
;
377 if (ssid
->key_mgmt
== WPA_KEY_MGMT_PSK
) {
378 if (cred
->key_len
== 2 * PMK_LEN
) {
379 if (hexstr2bin((const char *) cred
->key
, ssid
->psk
,
381 wpa_printf(MSG_ERROR
, "WPS: Invalid Network "
386 ssid
->export_keys
= 1;
387 } else if (cred
->key_len
>= 8 && cred
->key_len
< 2 * PMK_LEN
) {
388 os_free(ssid
->passphrase
);
389 ssid
->passphrase
= os_malloc(cred
->key_len
+ 1);
390 if (ssid
->passphrase
== NULL
)
392 os_memcpy(ssid
->passphrase
, cred
->key
, cred
->key_len
);
393 ssid
->passphrase
[cred
->key_len
] = '\0';
394 wpa_config_update_psk(ssid
);
395 ssid
->export_keys
= 1;
397 wpa_printf(MSG_ERROR
, "WPS: Invalid Network Key "
399 (unsigned long) cred
->key_len
);
404 wpas_wps_security_workaround(wpa_s
, ssid
, cred
);
406 #ifndef CONFIG_NO_CONFIG_WRITE
407 if (wpa_s
->conf
->update_config
&&
408 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
)) {
409 wpa_printf(MSG_DEBUG
, "WPS: Failed to update configuration");
412 #endif /* CONFIG_NO_CONFIG_WRITE */
419 static void wpas_wps_pbc_overlap_cb(void *eloop_ctx
, void *timeout_ctx
)
421 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
422 wpas_p2p_notif_pbc_overlap(wpa_s
);
424 #endif /* CONFIG_P2P */
427 static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant
*wpa_s
,
428 struct wps_event_m2d
*m2d
)
430 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_M2D
431 "dev_password_id=%d config_error=%d",
432 m2d
->dev_password_id
, m2d
->config_error
);
433 wpas_notify_wps_event_m2d(wpa_s
, m2d
);
435 if (wpa_s
->parent
&& wpa_s
->parent
!= wpa_s
) {
436 wpa_msg(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_M2D
437 "dev_password_id=%d config_error=%d",
438 m2d
->dev_password_id
, m2d
->config_error
);
440 if (m2d
->config_error
== WPS_CFG_MULTIPLE_PBC_DETECTED
) {
442 * Notify P2P from eloop timeout to avoid issues with the
443 * interface getting removed while processing a message.
445 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb
, wpa_s
,
448 #endif /* CONFIG_P2P */
452 static const char * wps_event_fail_reason
[NUM_WPS_EI_VALUES
] = {
453 "No Error", /* WPS_EI_NO_ERROR */
454 "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
455 "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
458 static void wpa_supplicant_wps_event_fail(struct wpa_supplicant
*wpa_s
,
459 struct wps_event_fail
*fail
)
461 if (fail
->error_indication
> 0 &&
462 fail
->error_indication
< NUM_WPS_EI_VALUES
) {
463 wpa_msg(wpa_s
, MSG_INFO
,
464 WPS_EVENT_FAIL
"msg=%d config_error=%d reason=%d (%s)",
465 fail
->msg
, fail
->config_error
, fail
->error_indication
,
466 wps_event_fail_reason
[fail
->error_indication
]);
467 if (wpa_s
->parent
&& wpa_s
->parent
!= wpa_s
)
468 wpa_msg(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_FAIL
469 "msg=%d config_error=%d reason=%d (%s)",
470 fail
->msg
, fail
->config_error
,
471 fail
->error_indication
,
472 wps_event_fail_reason
[fail
->error_indication
]);
474 wpa_msg(wpa_s
, MSG_INFO
,
475 WPS_EVENT_FAIL
"msg=%d config_error=%d",
476 fail
->msg
, fail
->config_error
);
477 if (wpa_s
->parent
&& wpa_s
->parent
!= wpa_s
)
478 wpa_msg(wpa_s
->parent
, MSG_INFO
, WPS_EVENT_FAIL
479 "msg=%d config_error=%d",
480 fail
->msg
, fail
->config_error
);
482 wpas_clear_wps(wpa_s
);
483 wpas_notify_wps_event_fail(wpa_s
, fail
);
485 wpas_p2p_wps_failed(wpa_s
, fail
);
486 #endif /* CONFIG_P2P */
490 static void wpa_supplicant_wps_event_success(struct wpa_supplicant
*wpa_s
)
492 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_SUCCESS
);
493 wpa_s
->wps_success
= 1;
494 wpas_notify_wps_event_success(wpa_s
);
496 wpas_p2p_wps_success(wpa_s
, wpa_s
->bssid
, 0);
497 #endif /* CONFIG_P2P */
501 static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant
*wpa_s
,
502 struct wps_event_er_ap
*ap
)
505 char dev_type
[WPS_DEV_TYPE_BUFSIZE
];
507 uuid_bin2str(ap
->uuid
, uuid_str
, sizeof(uuid_str
));
508 if (ap
->pri_dev_type
)
509 wps_dev_type_bin2str(ap
->pri_dev_type
, dev_type
,
514 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_ADD
"%s " MACSTR
515 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
516 uuid_str
, MAC2STR(ap
->mac_addr
), dev_type
, ap
->wps_state
,
517 ap
->friendly_name
? ap
->friendly_name
: "",
518 ap
->manufacturer
? ap
->manufacturer
: "",
519 ap
->model_description
? ap
->model_description
: "",
520 ap
->model_name
? ap
->model_name
: "",
521 ap
->manufacturer_url
? ap
->manufacturer_url
: "",
522 ap
->model_url
? ap
->model_url
: "");
526 static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant
*wpa_s
,
527 struct wps_event_er_ap
*ap
)
530 uuid_bin2str(ap
->uuid
, uuid_str
, sizeof(uuid_str
));
531 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_REMOVE
"%s", uuid_str
);
535 static void wpa_supplicant_wps_event_er_enrollee_add(
536 struct wpa_supplicant
*wpa_s
, struct wps_event_er_enrollee
*enrollee
)
539 char dev_type
[WPS_DEV_TYPE_BUFSIZE
];
541 uuid_bin2str(enrollee
->uuid
, uuid_str
, sizeof(uuid_str
));
542 if (enrollee
->pri_dev_type
)
543 wps_dev_type_bin2str(enrollee
->pri_dev_type
, dev_type
,
548 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_ENROLLEE_ADD
"%s " MACSTR
549 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
551 uuid_str
, MAC2STR(enrollee
->mac_addr
), enrollee
->m1_received
,
552 enrollee
->config_methods
, enrollee
->dev_passwd_id
, dev_type
,
553 enrollee
->dev_name
? enrollee
->dev_name
: "",
554 enrollee
->manufacturer
? enrollee
->manufacturer
: "",
555 enrollee
->model_name
? enrollee
->model_name
: "",
556 enrollee
->model_number
? enrollee
->model_number
: "",
557 enrollee
->serial_number
? enrollee
->serial_number
: "");
561 static void wpa_supplicant_wps_event_er_enrollee_remove(
562 struct wpa_supplicant
*wpa_s
, struct wps_event_er_enrollee
*enrollee
)
565 uuid_bin2str(enrollee
->uuid
, uuid_str
, sizeof(uuid_str
));
566 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_ENROLLEE_REMOVE
"%s " MACSTR
,
567 uuid_str
, MAC2STR(enrollee
->mac_addr
));
571 static void wpa_supplicant_wps_event_er_ap_settings(
572 struct wpa_supplicant
*wpa_s
,
573 struct wps_event_er_ap_settings
*ap_settings
)
577 const struct wps_credential
*cred
= ap_settings
->cred
;
580 if (cred
->auth_type
& (WPS_AUTH_WPAPSK
| WPS_AUTH_WPA2PSK
)) {
581 if (cred
->key_len
>= 8 && cred
->key_len
<= 64) {
582 os_memcpy(key_str
, cred
->key
, cred
->key_len
);
583 key_str
[cred
->key_len
] = '\0';
587 uuid_bin2str(ap_settings
->uuid
, uuid_str
, sizeof(uuid_str
));
588 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
589 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_ER_AP_SETTINGS
590 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
592 uuid_str
, wpa_ssid_txt(cred
->ssid
, cred
->ssid_len
),
593 cred
->auth_type
, cred
->encr_type
, key_str
);
597 static void wpa_supplicant_wps_event_er_set_sel_reg(
598 struct wpa_supplicant
*wpa_s
,
599 struct wps_event_er_set_selected_registrar
*ev
)
603 uuid_bin2str(ev
->uuid
, uuid_str
, sizeof(uuid_str
));
605 case WPS_ER_SET_SEL_REG_START
:
606 wpa_msg(wpa_s
, MSG_DEBUG
, WPS_EVENT_ER_SET_SEL_REG
607 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
608 "sel_reg_config_methods=0x%x",
609 uuid_str
, ev
->sel_reg
, ev
->dev_passwd_id
,
610 ev
->sel_reg_config_methods
);
612 case WPS_ER_SET_SEL_REG_DONE
:
613 wpa_msg(wpa_s
, MSG_DEBUG
, WPS_EVENT_ER_SET_SEL_REG
614 "uuid=%s state=DONE", uuid_str
);
616 case WPS_ER_SET_SEL_REG_FAILED
:
617 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_ER_SET_SEL_REG
618 "uuid=%s state=FAILED", uuid_str
);
624 static void wpa_supplicant_wps_event(void *ctx
, enum wps_event event
,
625 union wps_event_data
*data
)
627 struct wpa_supplicant
*wpa_s
= ctx
;
630 wpa_supplicant_wps_event_m2d(wpa_s
, &data
->m2d
);
633 wpa_supplicant_wps_event_fail(wpa_s
, &data
->fail
);
636 wpa_supplicant_wps_event_success(wpa_s
);
638 case WPS_EV_PWD_AUTH_FAIL
:
640 if (wpa_s
->ap_iface
&& data
->pwd_auth_fail
.enrollee
)
641 wpa_supplicant_ap_pwd_auth_fail(wpa_s
);
642 #endif /* CONFIG_AP */
644 case WPS_EV_PBC_OVERLAP
:
646 case WPS_EV_PBC_TIMEOUT
:
648 case WPS_EV_ER_AP_ADD
:
649 wpa_supplicant_wps_event_er_ap_add(wpa_s
, &data
->ap
);
651 case WPS_EV_ER_AP_REMOVE
:
652 wpa_supplicant_wps_event_er_ap_remove(wpa_s
, &data
->ap
);
654 case WPS_EV_ER_ENROLLEE_ADD
:
655 wpa_supplicant_wps_event_er_enrollee_add(wpa_s
,
658 case WPS_EV_ER_ENROLLEE_REMOVE
:
659 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s
,
662 case WPS_EV_ER_AP_SETTINGS
:
663 wpa_supplicant_wps_event_er_ap_settings(wpa_s
,
666 case WPS_EV_ER_SET_SELECTED_REGISTRAR
:
667 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s
,
670 case WPS_EV_AP_PIN_SUCCESS
:
676 enum wps_request_type
wpas_wps_get_req_type(struct wpa_ssid
*ssid
)
678 if (eap_is_wps_pbc_enrollee(&ssid
->eap
) ||
679 eap_is_wps_pin_enrollee(&ssid
->eap
))
680 return WPS_REQ_ENROLLEE
;
682 return WPS_REQ_REGISTRAR
;
686 static void wpas_clear_wps(struct wpa_supplicant
*wpa_s
)
689 struct wpa_ssid
*ssid
, *remove_ssid
= NULL
, *prev_current
;
691 prev_current
= wpa_s
->current_ssid
;
693 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
695 /* Remove any existing WPS network from configuration */
696 ssid
= wpa_s
->conf
->ssid
;
698 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
699 if (ssid
== wpa_s
->current_ssid
) {
700 wpa_s
->current_ssid
= NULL
;
702 wpas_notify_network_changed(wpa_s
);
710 if (prev_current
== remove_ssid
) {
711 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
712 eapol_sm_notify_config(wpa_s
->eapol
, NULL
,
715 wpas_notify_network_removed(wpa_s
, remove_ssid
);
716 wpa_config_remove_network(wpa_s
->conf
, id
);
720 wpas_wps_clear_ap_info(wpa_s
);
724 static void wpas_wps_timeout(void *eloop_ctx
, void *timeout_ctx
)
726 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
727 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_TIMEOUT
"Requested operation timed "
729 wpas_clear_wps(wpa_s
);
733 static struct wpa_ssid
* wpas_wps_add_network(struct wpa_supplicant
*wpa_s
,
734 int registrar
, const u8
*bssid
)
736 struct wpa_ssid
*ssid
;
738 ssid
= wpa_config_add_network(wpa_s
->conf
);
741 wpas_notify_network_added(wpa_s
, ssid
);
742 wpa_config_set_network_defaults(ssid
);
744 if (wpa_config_set(ssid
, "key_mgmt", "WPS", 0) < 0 ||
745 wpa_config_set(ssid
, "eap", "WSC", 0) < 0 ||
746 wpa_config_set(ssid
, "identity", registrar
?
747 "\"" WSC_ID_REGISTRAR
"\"" :
748 "\"" WSC_ID_ENROLLEE
"\"", 0) < 0) {
749 wpas_notify_network_removed(wpa_s
, ssid
);
750 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
758 #endif /* CONFIG_P2P */
760 os_memcpy(ssid
->bssid
, bssid
, ETH_ALEN
);
764 * Note: With P2P, the SSID may change at the time the WPS
765 * provisioning is started, so better not filter the AP based
766 * on the current SSID in the scan results.
769 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
770 if (os_memcmp(bssid
, bss
->bssid
, ETH_ALEN
) != 0)
774 ssid
->ssid
= os_malloc(bss
->ssid_len
);
775 if (ssid
->ssid
== NULL
)
777 os_memcpy(ssid
->ssid
, bss
->ssid
, bss
->ssid_len
);
778 ssid
->ssid_len
= bss
->ssid_len
;
779 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Picked SSID from "
781 ssid
->ssid
, ssid
->ssid_len
);
786 wpa_printf(MSG_DEBUG
, "WPS: More than one SSID found "
787 "for the AP; use wildcard");
792 #endif /* CONFIG_P2P */
799 static void wpas_wps_reassoc(struct wpa_supplicant
*wpa_s
,
800 struct wpa_ssid
*selected
, const u8
*bssid
)
802 struct wpa_ssid
*ssid
;
805 wpa_s
->known_wps_freq
= 0;
807 bss
= wpa_bss_get_bssid(wpa_s
, bssid
);
808 if (bss
&& bss
->freq
> 0) {
809 wpa_s
->known_wps_freq
= 1;
810 wpa_s
->wps_freq
= bss
->freq
;
814 if (wpa_s
->current_ssid
)
815 wpa_supplicant_deauthenticate(
816 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
818 /* Mark all other networks disabled and trigger reassociation */
819 ssid
= wpa_s
->conf
->ssid
;
821 int was_disabled
= ssid
->disabled
;
823 * In case the network object corresponds to a persistent group
824 * then do not send out network disabled signal. In addition,
825 * do not change disabled status of persistent network objects
826 * from 2 to 1 should we connect to another network.
828 if (was_disabled
!= 2) {
829 ssid
->disabled
= ssid
!= selected
;
830 if (was_disabled
!= ssid
->disabled
)
831 wpas_notify_network_enabled_changed(wpa_s
,
836 wpa_s
->disconnected
= 0;
837 wpa_s
->reassociate
= 1;
838 wpa_s
->scan_runs
= 0;
839 wpa_s
->normal_scans
= 0;
840 wpa_s
->wps_success
= 0;
841 wpa_s
->blacklist_cleared
= 0;
842 wpa_supplicant_req_scan(wpa_s
, 0, 0);
846 int wpas_wps_start_pbc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
849 struct wpa_ssid
*ssid
;
850 wpas_clear_wps(wpa_s
);
851 ssid
= wpas_wps_add_network(wpa_s
, 0, bssid
);
855 ssid
->p2p_group
= p2p_group
;
857 if (p2p_group
&& wpa_s
->go_params
&& wpa_s
->go_params
->ssid_len
) {
858 ssid
->ssid
= os_zalloc(wpa_s
->go_params
->ssid_len
+ 1);
860 ssid
->ssid_len
= wpa_s
->go_params
->ssid_len
;
861 os_memcpy(ssid
->ssid
, wpa_s
->go_params
->ssid
,
863 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Use specific AP "
864 "SSID", ssid
->ssid
, ssid
->ssid_len
);
867 #endif /* CONFIG_P2P */
868 wpa_config_set(ssid
, "phase1", "\"pbc=1\"", 0);
869 if (wpa_s
->wps_fragment_size
)
870 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
871 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
873 wpas_wps_reassoc(wpa_s
, ssid
, bssid
);
878 int wpas_wps_start_pin(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
879 const char *pin
, int p2p_group
, u16 dev_pw_id
)
881 struct wpa_ssid
*ssid
;
883 unsigned int rpin
= 0;
885 wpas_clear_wps(wpa_s
);
886 ssid
= wpas_wps_add_network(wpa_s
, 0, bssid
);
890 ssid
->p2p_group
= p2p_group
;
892 if (p2p_group
&& wpa_s
->go_params
&& wpa_s
->go_params
->ssid_len
) {
893 ssid
->ssid
= os_zalloc(wpa_s
->go_params
->ssid_len
+ 1);
895 ssid
->ssid_len
= wpa_s
->go_params
->ssid_len
;
896 os_memcpy(ssid
->ssid
, wpa_s
->go_params
->ssid
,
898 wpa_hexdump_ascii(MSG_DEBUG
, "WPS: Use specific AP "
899 "SSID", ssid
->ssid
, ssid
->ssid_len
);
902 #endif /* CONFIG_P2P */
904 os_snprintf(val
, sizeof(val
), "\"pin=%s dev_pw_id=%u\"",
907 rpin
= wps_generate_pin();
908 os_snprintf(val
, sizeof(val
), "\"pin=%08d dev_pw_id=%u\"",
911 wpa_config_set(ssid
, "phase1", val
, 0);
912 if (wpa_s
->wps_fragment_size
)
913 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
914 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
916 wpa_s
->wps_ap_iter
= 1;
917 wpas_wps_reassoc(wpa_s
, ssid
, bssid
);
922 /* Cancel the wps pbc/pin requests */
923 int wpas_wps_cancel(struct wpa_supplicant
*wpa_s
)
926 if (wpa_s
->ap_iface
) {
927 wpa_printf(MSG_DEBUG
, "WPS: Cancelling in AP mode");
928 return wpa_supplicant_ap_wps_cancel(wpa_s
);
930 #endif /* CONFIG_AP */
932 if (wpa_s
->wpa_state
== WPA_SCANNING
||
933 wpa_s
->wpa_state
== WPA_DISCONNECTED
) {
934 wpa_printf(MSG_DEBUG
, "WPS: Cancel operation - cancel scan");
935 wpa_supplicant_cancel_scan(wpa_s
);
936 wpas_clear_wps(wpa_s
);
937 } else if (wpa_s
->wpa_state
>= WPA_ASSOCIATED
) {
938 wpa_printf(MSG_DEBUG
, "WPS: Cancel operation - "
940 wpa_supplicant_deauthenticate(wpa_s
,
941 WLAN_REASON_DEAUTH_LEAVING
);
942 wpas_clear_wps(wpa_s
);
944 wpas_wps_clear_ap_info(wpa_s
);
950 #ifdef CONFIG_WPS_OOB
951 int wpas_wps_start_oob(struct wpa_supplicant
*wpa_s
, char *device_type
,
952 char *path
, char *method
, char *name
)
954 struct wps_context
*wps
= wpa_s
->wps
;
955 struct oob_device_data
*oob_dev
;
957 oob_dev
= wps_get_oob_device(device_type
);
960 oob_dev
->device_path
= path
;
961 oob_dev
->device_name
= name
;
962 wps
->oob_conf
.oob_method
= wps_get_oob_method(method
);
964 if (wps
->oob_conf
.oob_method
== OOB_METHOD_DEV_PWD_E
) {
966 * Use pre-configured DH keys in order to be able to write the
967 * key hash into the OOB file.
969 wpabuf_free(wps
->dh_pubkey
);
970 wpabuf_free(wps
->dh_privkey
);
971 wps
->dh_privkey
= NULL
;
972 wps
->dh_pubkey
= NULL
;
973 dh5_free(wps
->dh_ctx
);
974 wps
->dh_ctx
= dh5_init(&wps
->dh_privkey
, &wps
->dh_pubkey
);
975 wps
->dh_pubkey
= wpabuf_zeropad(wps
->dh_pubkey
, 192);
976 if (wps
->dh_ctx
== NULL
|| wps
->dh_pubkey
== NULL
) {
977 wpa_printf(MSG_ERROR
, "WPS: Failed to initialize "
978 "Diffie-Hellman handshake");
983 if (wps
->oob_conf
.oob_method
== OOB_METHOD_CRED
)
984 wpas_clear_wps(wpa_s
);
986 if (wps_process_oob(wps
, oob_dev
, 0) < 0)
989 if ((wps
->oob_conf
.oob_method
== OOB_METHOD_DEV_PWD_E
||
990 wps
->oob_conf
.oob_method
== OOB_METHOD_DEV_PWD_R
) &&
991 wpas_wps_start_pin(wpa_s
, NULL
,
992 wpabuf_head(wps
->oob_conf
.dev_password
), 0,
998 #endif /* CONFIG_WPS_OOB */
1001 int wpas_wps_start_reg(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
1002 const char *pin
, struct wps_new_ap_settings
*settings
)
1004 struct wpa_ssid
*ssid
;
1011 wpas_clear_wps(wpa_s
);
1012 ssid
= wpas_wps_add_network(wpa_s
, 1, bssid
);
1015 ssid
->temporary
= 1;
1017 end
= pos
+ sizeof(val
);
1018 res
= os_snprintf(pos
, end
- pos
, "\"pin=%s", pin
);
1019 if (res
< 0 || res
>= end
- pos
)
1023 res
= os_snprintf(pos
, end
- pos
, " new_ssid=%s new_auth=%s "
1024 "new_encr=%s new_key=%s",
1025 settings
->ssid_hex
, settings
->auth
,
1026 settings
->encr
, settings
->key_hex
);
1027 if (res
< 0 || res
>= end
- pos
)
1031 res
= os_snprintf(pos
, end
- pos
, "\"");
1032 if (res
< 0 || res
>= end
- pos
)
1034 wpa_config_set(ssid
, "phase1", val
, 0);
1035 if (wpa_s
->wps_fragment_size
)
1036 ssid
->eap
.fragment_size
= wpa_s
->wps_fragment_size
;
1037 eloop_register_timeout(WPS_PBC_WALK_TIME
, 0, wpas_wps_timeout
,
1039 wpas_wps_reassoc(wpa_s
, ssid
, bssid
);
1044 static int wpas_wps_new_psk_cb(void *ctx
, const u8
*mac_addr
, const u8
*psk
,
1047 wpa_printf(MSG_DEBUG
, "WPS: Received new WPA/WPA2-PSK from WPS for "
1048 "STA " MACSTR
, MAC2STR(mac_addr
));
1049 wpa_hexdump_key(MSG_DEBUG
, "Per-device PSK", psk
, psk_len
);
1057 static void wpas_wps_pin_needed_cb(void *ctx
, const u8
*uuid_e
,
1058 const struct wps_device_data
*dev
)
1060 char uuid
[40], txt
[400];
1062 char devtype
[WPS_DEV_TYPE_BUFSIZE
];
1063 if (uuid_bin2str(uuid_e
, uuid
, sizeof(uuid
)))
1065 wpa_printf(MSG_DEBUG
, "WPS: PIN needed for UUID-E %s", uuid
);
1066 len
= os_snprintf(txt
, sizeof(txt
), "WPS-EVENT-PIN-NEEDED %s " MACSTR
1067 " [%s|%s|%s|%s|%s|%s]",
1068 uuid
, MAC2STR(dev
->mac_addr
), dev
->device_name
,
1069 dev
->manufacturer
, dev
->model_name
,
1070 dev
->model_number
, dev
->serial_number
,
1071 wps_dev_type_bin2str(dev
->pri_dev_type
, devtype
,
1073 if (len
> 0 && len
< (int) sizeof(txt
))
1074 wpa_printf(MSG_INFO
, "%s", txt
);
1078 static void wpas_wps_set_sel_reg_cb(void *ctx
, int sel_reg
, u16 dev_passwd_id
,
1079 u16 sel_reg_config_methods
)
1081 #ifdef CONFIG_WPS_ER
1082 struct wpa_supplicant
*wpa_s
= ctx
;
1084 if (wpa_s
->wps_er
== NULL
)
1086 wpa_printf(MSG_DEBUG
, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1087 "dev_password_id=%u sel_reg_config_methods=0x%x",
1088 sel_reg
, dev_passwd_id
, sel_reg_config_methods
);
1089 wps_er_set_sel_reg(wpa_s
->wps_er
, sel_reg
, dev_passwd_id
,
1090 sel_reg_config_methods
);
1091 #endif /* CONFIG_WPS_ER */
1095 static u16
wps_fix_config_methods(u16 config_methods
)
1098 if ((config_methods
&
1099 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_VIRT_DISPLAY
|
1100 WPS_CONFIG_PHY_DISPLAY
)) == WPS_CONFIG_DISPLAY
) {
1101 wpa_printf(MSG_INFO
, "WPS: Converting display to "
1102 "virtual_display for WPS 2.0 compliance");
1103 config_methods
|= WPS_CONFIG_VIRT_DISPLAY
;
1105 if ((config_methods
&
1106 (WPS_CONFIG_PUSHBUTTON
| WPS_CONFIG_VIRT_PUSHBUTTON
|
1107 WPS_CONFIG_PHY_PUSHBUTTON
)) == WPS_CONFIG_PUSHBUTTON
) {
1108 wpa_printf(MSG_INFO
, "WPS: Converting push_button to "
1109 "virtual_push_button for WPS 2.0 compliance");
1110 config_methods
|= WPS_CONFIG_VIRT_PUSHBUTTON
;
1112 #endif /* CONFIG_WPS2 */
1114 return config_methods
;
1118 static void wpas_wps_set_uuid(struct wpa_supplicant
*wpa_s
,
1119 struct wps_context
*wps
)
1121 wpa_printf(MSG_DEBUG
, "WPS: Set UUID for interface %s", wpa_s
->ifname
);
1122 if (is_nil_uuid(wpa_s
->conf
->uuid
)) {
1123 struct wpa_supplicant
*first
;
1124 first
= wpa_s
->global
->ifaces
;
1125 while (first
&& first
->next
)
1126 first
= first
->next
;
1127 if (first
&& first
!= wpa_s
) {
1128 if (wps
!= wpa_s
->global
->ifaces
->wps
)
1129 os_memcpy(wps
->uuid
,
1130 wpa_s
->global
->ifaces
->wps
->uuid
,
1132 wpa_hexdump(MSG_DEBUG
, "WPS: UUID from the first "
1133 "interface", wps
->uuid
, WPS_UUID_LEN
);
1135 uuid_gen_mac_addr(wpa_s
->own_addr
, wps
->uuid
);
1136 wpa_hexdump(MSG_DEBUG
, "WPS: UUID based on MAC "
1137 "address", wps
->uuid
, WPS_UUID_LEN
);
1140 os_memcpy(wps
->uuid
, wpa_s
->conf
->uuid
, WPS_UUID_LEN
);
1141 wpa_hexdump(MSG_DEBUG
, "WPS: UUID based on configuration",
1142 wps
->uuid
, WPS_UUID_LEN
);
1147 static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant
*wpa_s
,
1148 struct wps_context
*wps
)
1150 wpabuf_free(wps
->dev
.vendor_ext_m1
);
1151 wps
->dev
.vendor_ext_m1
= NULL
;
1153 if (wpa_s
->conf
->wps_vendor_ext_m1
) {
1154 wps
->dev
.vendor_ext_m1
=
1155 wpabuf_dup(wpa_s
->conf
->wps_vendor_ext_m1
);
1156 if (!wps
->dev
.vendor_ext_m1
) {
1157 wpa_printf(MSG_ERROR
, "WPS: Cannot "
1158 "allocate memory for vendor_ext_m1");
1164 int wpas_wps_init(struct wpa_supplicant
*wpa_s
)
1166 struct wps_context
*wps
;
1167 struct wps_registrar_config rcfg
;
1168 struct hostapd_hw_modes
*modes
;
1171 wps
= os_zalloc(sizeof(*wps
));
1175 wps
->cred_cb
= wpa_supplicant_wps_cred
;
1176 wps
->event_cb
= wpa_supplicant_wps_event
;
1177 wps
->cb_ctx
= wpa_s
;
1179 wps
->dev
.device_name
= wpa_s
->conf
->device_name
;
1180 wps
->dev
.manufacturer
= wpa_s
->conf
->manufacturer
;
1181 wps
->dev
.model_name
= wpa_s
->conf
->model_name
;
1182 wps
->dev
.model_number
= wpa_s
->conf
->model_number
;
1183 wps
->dev
.serial_number
= wpa_s
->conf
->serial_number
;
1184 wps
->config_methods
=
1185 wps_config_methods_str2bin(wpa_s
->conf
->config_methods
);
1186 if ((wps
->config_methods
& (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) ==
1187 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) {
1188 wpa_printf(MSG_ERROR
, "WPS: Both Label and Display config "
1189 "methods are not allowed at the same time");
1193 wps
->config_methods
= wps_fix_config_methods(wps
->config_methods
);
1194 wps
->dev
.config_methods
= wps
->config_methods
;
1195 os_memcpy(wps
->dev
.pri_dev_type
, wpa_s
->conf
->device_type
,
1198 wps
->dev
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
1199 os_memcpy(wps
->dev
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
1200 WPS_DEV_TYPE_LEN
* wps
->dev
.num_sec_dev_types
);
1202 wpas_wps_set_vendor_ext_m1(wpa_s
, wps
);
1204 wps
->dev
.os_version
= WPA_GET_BE32(wpa_s
->conf
->os_version
);
1205 modes
= wpa_s
->hw
.modes
;
1207 for (m
= 0; m
< wpa_s
->hw
.num_modes
; m
++) {
1208 if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211B
||
1209 modes
[m
].mode
== HOSTAPD_MODE_IEEE80211G
)
1210 wps
->dev
.rf_bands
|= WPS_RF_24GHZ
;
1211 else if (modes
[m
].mode
== HOSTAPD_MODE_IEEE80211A
)
1212 wps
->dev
.rf_bands
|= WPS_RF_50GHZ
;
1215 if (wps
->dev
.rf_bands
== 0) {
1217 * Default to claiming support for both bands if the driver
1218 * does not provide support for fetching supported bands.
1220 wps
->dev
.rf_bands
= WPS_RF_24GHZ
| WPS_RF_50GHZ
;
1222 os_memcpy(wps
->dev
.mac_addr
, wpa_s
->own_addr
, ETH_ALEN
);
1223 wpas_wps_set_uuid(wpa_s
, wps
);
1225 wps
->auth_types
= WPS_AUTH_WPA2PSK
| WPS_AUTH_WPAPSK
;
1226 wps
->encr_types
= WPS_ENCR_AES
| WPS_ENCR_TKIP
;
1228 os_memset(&rcfg
, 0, sizeof(rcfg
));
1229 rcfg
.new_psk_cb
= wpas_wps_new_psk_cb
;
1230 rcfg
.pin_needed_cb
= wpas_wps_pin_needed_cb
;
1231 rcfg
.set_sel_reg_cb
= wpas_wps_set_sel_reg_cb
;
1232 rcfg
.cb_ctx
= wpa_s
;
1234 wps
->registrar
= wps_registrar_init(wps
, &rcfg
);
1235 if (wps
->registrar
== NULL
) {
1236 wpa_printf(MSG_DEBUG
, "Failed to initialize WPS Registrar");
1247 void wpas_wps_deinit(struct wpa_supplicant
*wpa_s
)
1249 eloop_cancel_timeout(wpas_wps_timeout
, wpa_s
, NULL
);
1250 wpas_wps_clear_ap_info(wpa_s
);
1252 if (wpa_s
->wps
== NULL
)
1255 #ifdef CONFIG_WPS_ER
1256 wps_er_deinit(wpa_s
->wps_er
, NULL
, NULL
);
1257 wpa_s
->wps_er
= NULL
;
1258 #endif /* CONFIG_WPS_ER */
1260 wps_registrar_deinit(wpa_s
->wps
->registrar
);
1261 wpabuf_free(wpa_s
->wps
->dh_pubkey
);
1262 wpabuf_free(wpa_s
->wps
->dh_privkey
);
1263 wpabuf_free(wpa_s
->wps
->oob_conf
.pubkey_hash
);
1264 wpabuf_free(wpa_s
->wps
->oob_conf
.dev_password
);
1265 wpabuf_free(wpa_s
->wps
->dev
.vendor_ext_m1
);
1266 os_free(wpa_s
->wps
->network_key
);
1267 os_free(wpa_s
->wps
);
1272 int wpas_wps_ssid_bss_match(struct wpa_supplicant
*wpa_s
,
1273 struct wpa_ssid
*ssid
, struct wpa_bss
*bss
)
1275 struct wpabuf
*wps_ie
;
1277 if (!(ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
))
1280 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1281 if (eap_is_wps_pbc_enrollee(&ssid
->eap
)) {
1283 wpa_printf(MSG_DEBUG
, " skip - non-WPS AP");
1287 if (!wps_is_selected_pbc_registrar(wps_ie
)) {
1288 wpa_printf(MSG_DEBUG
, " skip - WPS AP "
1289 "without active PBC Registrar");
1290 wpabuf_free(wps_ie
);
1294 /* TODO: overlap detection */
1295 wpa_printf(MSG_DEBUG
, " selected based on WPS IE "
1297 wpabuf_free(wps_ie
);
1301 if (eap_is_wps_pin_enrollee(&ssid
->eap
)) {
1303 wpa_printf(MSG_DEBUG
, " skip - non-WPS AP");
1308 * Start with WPS APs that advertise our address as an
1309 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1310 * allow any WPS AP after couple of scans since some APs do not
1311 * set Selected Registrar attribute properly when using
1312 * external Registrar.
1314 if (!wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1)) {
1315 if (wpa_s
->scan_runs
< WPS_PIN_SCAN_IGNORE_SEL_REG
) {
1316 wpa_printf(MSG_DEBUG
, " skip - WPS AP "
1317 "without active PIN Registrar");
1318 wpabuf_free(wps_ie
);
1321 wpa_printf(MSG_DEBUG
, " selected based on WPS IE");
1323 wpa_printf(MSG_DEBUG
, " selected based on WPS IE "
1324 "(Authorized MAC or Active PIN)");
1326 wpabuf_free(wps_ie
);
1331 wpa_printf(MSG_DEBUG
, " selected based on WPS IE");
1332 wpabuf_free(wps_ie
);
1340 int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant
*wpa_s
,
1341 struct wpa_ssid
*ssid
,
1342 struct wpa_bss
*bss
)
1344 struct wpabuf
*wps_ie
= NULL
;
1347 if (eap_is_wps_pbc_enrollee(&ssid
->eap
)) {
1348 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1349 if (wps_ie
&& wps_is_selected_pbc_registrar(wps_ie
)) {
1350 /* allow wildcard SSID for WPS PBC */
1353 } else if (eap_is_wps_pin_enrollee(&ssid
->eap
)) {
1354 wps_ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1356 (wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1) ||
1357 wpa_s
->scan_runs
>= WPS_PIN_SCAN_IGNORE_SEL_REG
)) {
1358 /* allow wildcard SSID for WPS PIN */
1363 if (!ret
&& ssid
->bssid_set
&&
1364 os_memcmp(ssid
->bssid
, bss
->bssid
, ETH_ALEN
) == 0) {
1365 /* allow wildcard SSID due to hardcoded BSSID match */
1369 #ifdef CONFIG_WPS_STRICT
1371 if (wps_validate_beacon_probe_resp(wps_ie
, bss
->beacon_ie_len
>
1374 if (bss
->beacon_ie_len
) {
1375 struct wpabuf
*bcn_wps
;
1376 bcn_wps
= wpa_bss_get_vendor_ie_multi_beacon(
1377 bss
, WPS_IE_VENDOR_TYPE
);
1378 if (bcn_wps
== NULL
) {
1379 wpa_printf(MSG_DEBUG
, "WPS: Mandatory WPS IE "
1380 "missing from AP Beacon");
1383 if (wps_validate_beacon(wps_ie
) < 0)
1385 wpabuf_free(bcn_wps
);
1389 #endif /* CONFIG_WPS_STRICT */
1391 wpabuf_free(wps_ie
);
1397 int wpas_wps_scan_pbc_overlap(struct wpa_supplicant
*wpa_s
,
1398 struct wpa_bss
*selected
, struct wpa_ssid
*ssid
)
1400 const u8
*sel_uuid
, *uuid
;
1401 struct wpabuf
*wps_ie
;
1403 struct wpa_bss
*bss
;
1405 if (!eap_is_wps_pbc_enrollee(&ssid
->eap
))
1408 wpa_printf(MSG_DEBUG
, "WPS: Check whether PBC session overlap is "
1409 "present in scan results; selected BSSID " MACSTR
,
1410 MAC2STR(selected
->bssid
));
1412 /* Make sure that only one AP is in active PBC mode */
1413 wps_ie
= wpa_bss_get_vendor_ie_multi(selected
, WPS_IE_VENDOR_TYPE
);
1415 sel_uuid
= wps_get_uuid_e(wps_ie
);
1416 wpa_hexdump(MSG_DEBUG
, "WPS: UUID of the selected BSS",
1417 sel_uuid
, UUID_LEN
);
1419 wpa_printf(MSG_DEBUG
, "WPS: Selected BSS does not include "
1424 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1426 if (bss
== selected
)
1428 ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1431 if (!wps_is_selected_pbc_registrar(ie
)) {
1435 wpa_printf(MSG_DEBUG
, "WPS: Another BSS in active PBC mode: "
1436 MACSTR
, MAC2STR(bss
->bssid
));
1437 uuid
= wps_get_uuid_e(ie
);
1438 wpa_hexdump(MSG_DEBUG
, "WPS: UUID of the other BSS",
1440 if (sel_uuid
== NULL
|| uuid
== NULL
||
1441 os_memcmp(sel_uuid
, uuid
, UUID_LEN
) != 0) {
1442 ret
= 1; /* PBC overlap */
1443 wpa_msg(wpa_s
, MSG_INFO
, "WPS: PBC overlap detected: "
1444 MACSTR
" and " MACSTR
,
1445 MAC2STR(selected
->bssid
),
1446 MAC2STR(bss
->bssid
));
1451 /* TODO: verify that this is reasonable dual-band situation */
1456 wpabuf_free(wps_ie
);
1462 void wpas_wps_notify_scan_results(struct wpa_supplicant
*wpa_s
)
1464 struct wpa_bss
*bss
;
1465 unsigned int pbc
= 0, auth
= 0, pin
= 0, wps
= 0;
1467 if (wpa_s
->disconnected
|| wpa_s
->wpa_state
>= WPA_ASSOCIATED
)
1470 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1472 ie
= wpa_bss_get_vendor_ie_multi(bss
, WPS_IE_VENDOR_TYPE
);
1475 if (wps_is_selected_pbc_registrar(ie
))
1477 else if (wps_is_addr_authorized(ie
, wpa_s
->own_addr
, 0))
1479 else if (wps_is_selected_pin_registrar(ie
))
1487 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_PBC
);
1489 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_AUTH
);
1491 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE_PIN
);
1493 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPS_EVENT_AP_AVAILABLE
);
1497 int wpas_wps_searching(struct wpa_supplicant
*wpa_s
)
1499 struct wpa_ssid
*ssid
;
1501 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1502 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) && !ssid
->disabled
)
1510 int wpas_wps_scan_result_text(const u8
*ies
, size_t ies_len
, char *buf
,
1513 struct wpabuf
*wps_ie
;
1516 wps_ie
= ieee802_11_vendor_ie_concat(ies
, ies_len
, WPS_DEV_OUI_WFA
);
1520 ret
= wps_attr_text(wps_ie
, buf
, end
);
1521 wpabuf_free(wps_ie
);
1526 int wpas_wps_er_start(struct wpa_supplicant
*wpa_s
, const char *filter
)
1528 #ifdef CONFIG_WPS_ER
1529 if (wpa_s
->wps_er
) {
1530 wps_er_refresh(wpa_s
->wps_er
);
1533 wpa_s
->wps_er
= wps_er_init(wpa_s
->wps
, wpa_s
->ifname
, filter
);
1534 if (wpa_s
->wps_er
== NULL
)
1537 #else /* CONFIG_WPS_ER */
1539 #endif /* CONFIG_WPS_ER */
1543 int wpas_wps_er_stop(struct wpa_supplicant
*wpa_s
)
1545 #ifdef CONFIG_WPS_ER
1546 wps_er_deinit(wpa_s
->wps_er
, NULL
, NULL
);
1547 wpa_s
->wps_er
= NULL
;
1548 #endif /* CONFIG_WPS_ER */
1553 #ifdef CONFIG_WPS_ER
1554 int wpas_wps_er_add_pin(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
1555 const char *uuid
, const char *pin
)
1560 if (os_strcmp(uuid
, "any") == 0)
1562 else if (uuid_str2bin(uuid
, u
))
1564 return wps_registrar_add_pin(wpa_s
->wps
->registrar
, addr
,
1566 (const u8
*) pin
, os_strlen(pin
), 300);
1570 int wpas_wps_er_pbc(struct wpa_supplicant
*wpa_s
, const char *uuid
)
1574 if (uuid_str2bin(uuid
, u
))
1576 return wps_er_pbc(wpa_s
->wps_er
, u
);
1580 int wpas_wps_er_learn(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1585 if (uuid_str2bin(uuid
, u
))
1587 return wps_er_learn(wpa_s
->wps_er
, u
, (const u8
*) pin
,
1592 int wpas_wps_er_set_config(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1596 struct wpa_ssid
*ssid
;
1597 struct wps_credential cred
;
1599 if (uuid_str2bin(uuid
, u
))
1601 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
1602 if (ssid
== NULL
|| ssid
->ssid
== NULL
)
1605 os_memset(&cred
, 0, sizeof(cred
));
1606 if (ssid
->ssid_len
> 32)
1608 os_memcpy(cred
.ssid
, ssid
->ssid
, ssid
->ssid_len
);
1609 cred
.ssid_len
= ssid
->ssid_len
;
1610 if (ssid
->key_mgmt
& WPA_KEY_MGMT_PSK
) {
1611 cred
.auth_type
= (ssid
->proto
& WPA_PROTO_RSN
) ?
1612 WPS_AUTH_WPA2PSK
: WPS_AUTH_WPAPSK
;
1613 if (ssid
->pairwise_cipher
& WPA_CIPHER_CCMP
)
1614 cred
.encr_type
= WPS_ENCR_AES
;
1616 cred
.encr_type
= WPS_ENCR_TKIP
;
1617 if (ssid
->passphrase
) {
1618 cred
.key_len
= os_strlen(ssid
->passphrase
);
1619 if (cred
.key_len
>= 64)
1621 os_memcpy(cred
.key
, ssid
->passphrase
, cred
.key_len
);
1622 } else if (ssid
->psk_set
) {
1624 os_memcpy(cred
.key
, ssid
->psk
, 32);
1628 cred
.auth_type
= WPS_AUTH_OPEN
;
1629 cred
.encr_type
= WPS_ENCR_NONE
;
1631 return wps_er_set_config(wpa_s
->wps_er
, u
, &cred
);
1635 int wpas_wps_er_config(struct wpa_supplicant
*wpa_s
, const char *uuid
,
1636 const char *pin
, struct wps_new_ap_settings
*settings
)
1639 struct wps_credential cred
;
1642 if (uuid_str2bin(uuid
, u
))
1644 if (settings
->ssid_hex
== NULL
|| settings
->auth
== NULL
||
1645 settings
->encr
== NULL
|| settings
->key_hex
== NULL
)
1648 os_memset(&cred
, 0, sizeof(cred
));
1649 len
= os_strlen(settings
->ssid_hex
);
1650 if ((len
& 1) || len
> 2 * sizeof(cred
.ssid
) ||
1651 hexstr2bin(settings
->ssid_hex
, cred
.ssid
, len
/ 2))
1653 cred
.ssid_len
= len
/ 2;
1655 len
= os_strlen(settings
->key_hex
);
1656 if ((len
& 1) || len
> 2 * sizeof(cred
.key
) ||
1657 hexstr2bin(settings
->key_hex
, cred
.key
, len
/ 2))
1659 cred
.key_len
= len
/ 2;
1661 if (os_strcmp(settings
->auth
, "OPEN") == 0)
1662 cred
.auth_type
= WPS_AUTH_OPEN
;
1663 else if (os_strcmp(settings
->auth
, "WPAPSK") == 0)
1664 cred
.auth_type
= WPS_AUTH_WPAPSK
;
1665 else if (os_strcmp(settings
->auth
, "WPA2PSK") == 0)
1666 cred
.auth_type
= WPS_AUTH_WPA2PSK
;
1670 if (os_strcmp(settings
->encr
, "NONE") == 0)
1671 cred
.encr_type
= WPS_ENCR_NONE
;
1672 else if (os_strcmp(settings
->encr
, "WEP") == 0)
1673 cred
.encr_type
= WPS_ENCR_WEP
;
1674 else if (os_strcmp(settings
->encr
, "TKIP") == 0)
1675 cred
.encr_type
= WPS_ENCR_TKIP
;
1676 else if (os_strcmp(settings
->encr
, "CCMP") == 0)
1677 cred
.encr_type
= WPS_ENCR_AES
;
1681 return wps_er_config(wpa_s
->wps_er
, u
, (const u8
*) pin
,
1682 os_strlen(pin
), &cred
);
1686 #ifdef CONFIG_WPS_NFC
1687 struct wpabuf
* wpas_wps_er_nfc_config_token(struct wpa_supplicant
*wpa_s
,
1688 int ndef
, const char *uuid
)
1696 if (uuid_str2bin(uuid
, u
))
1699 ret
= wps_er_nfc_config_token(wpa_s
->wps_er
, u
);
1702 tmp
= ndef_build_wifi(ret
);
1711 #endif /* CONFIG_WPS_NFC */
1714 static int callbacks_pending
= 0;
1716 static void wpas_wps_terminate_cb(void *ctx
)
1718 wpa_printf(MSG_DEBUG
, "WPS ER: Terminated");
1719 if (--callbacks_pending
<= 0)
1722 #endif /* CONFIG_WPS_ER */
1725 int wpas_wps_terminate_pending(struct wpa_supplicant
*wpa_s
)
1727 #ifdef CONFIG_WPS_ER
1728 if (wpa_s
->wps_er
) {
1729 callbacks_pending
++;
1730 wps_er_deinit(wpa_s
->wps_er
, wpas_wps_terminate_cb
, wpa_s
);
1731 wpa_s
->wps_er
= NULL
;
1734 #endif /* CONFIG_WPS_ER */
1739 int wpas_wps_in_progress(struct wpa_supplicant
*wpa_s
)
1741 struct wpa_ssid
*ssid
;
1743 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1744 if (!ssid
->disabled
&& ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
)
1752 void wpas_wps_update_config(struct wpa_supplicant
*wpa_s
)
1754 struct wps_context
*wps
= wpa_s
->wps
;
1759 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_CONFIG_METHODS
) {
1760 wps
->config_methods
= wps_config_methods_str2bin(
1761 wpa_s
->conf
->config_methods
);
1762 if ((wps
->config_methods
&
1763 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) ==
1764 (WPS_CONFIG_DISPLAY
| WPS_CONFIG_LABEL
)) {
1765 wpa_printf(MSG_ERROR
, "WPS: Both Label and Display "
1766 "config methods are not allowed at the "
1768 wps
->config_methods
&= ~WPS_CONFIG_LABEL
;
1771 wps
->config_methods
= wps_fix_config_methods(wps
->config_methods
);
1772 wps
->dev
.config_methods
= wps
->config_methods
;
1774 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_DEVICE_TYPE
)
1775 os_memcpy(wps
->dev
.pri_dev_type
, wpa_s
->conf
->device_type
,
1778 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SEC_DEVICE_TYPE
) {
1779 wps
->dev
.num_sec_dev_types
= wpa_s
->conf
->num_sec_device_types
;
1780 os_memcpy(wps
->dev
.sec_dev_type
, wpa_s
->conf
->sec_device_type
,
1781 wps
->dev
.num_sec_dev_types
* WPS_DEV_TYPE_LEN
);
1784 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_VENDOR_EXTENSION
)
1785 wpas_wps_set_vendor_ext_m1(wpa_s
, wps
);
1787 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_OS_VERSION
)
1788 wps
->dev
.os_version
= WPA_GET_BE32(wpa_s
->conf
->os_version
);
1790 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_UUID
)
1791 wpas_wps_set_uuid(wpa_s
, wps
);
1793 if (wpa_s
->conf
->changed_parameters
&
1794 (CFG_CHANGED_DEVICE_NAME
| CFG_CHANGED_WPS_STRING
)) {
1795 /* Update pointers to make sure they refer current values */
1796 wps
->dev
.device_name
= wpa_s
->conf
->device_name
;
1797 wps
->dev
.manufacturer
= wpa_s
->conf
->manufacturer
;
1798 wps
->dev
.model_name
= wpa_s
->conf
->model_name
;
1799 wps
->dev
.model_number
= wpa_s
->conf
->model_number
;
1800 wps
->dev
.serial_number
= wpa_s
->conf
->serial_number
;
1805 #ifdef CONFIG_WPS_NFC
1807 struct wpabuf
* wpas_wps_nfc_token(struct wpa_supplicant
*wpa_s
, int ndef
)
1809 return wps_nfc_token_gen(ndef
, &wpa_s
->conf
->wps_nfc_dev_pw_id
,
1810 &wpa_s
->conf
->wps_nfc_dh_pubkey
,
1811 &wpa_s
->conf
->wps_nfc_dh_privkey
,
1812 &wpa_s
->conf
->wps_nfc_dev_pw
);
1816 int wpas_wps_start_nfc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
1818 struct wps_context
*wps
= wpa_s
->wps
;
1819 char pw
[32 * 2 + 1];
1821 if (wpa_s
->conf
->wps_nfc_dh_pubkey
== NULL
||
1822 wpa_s
->conf
->wps_nfc_dh_privkey
== NULL
||
1823 wpa_s
->conf
->wps_nfc_dev_pw
== NULL
)
1826 dh5_free(wps
->dh_ctx
);
1827 wpabuf_free(wps
->dh_pubkey
);
1828 wpabuf_free(wps
->dh_privkey
);
1829 wps
->dh_privkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_privkey
);
1830 wps
->dh_pubkey
= wpabuf_dup(wpa_s
->conf
->wps_nfc_dh_pubkey
);
1831 if (wps
->dh_privkey
== NULL
|| wps
->dh_pubkey
== NULL
) {
1833 wpabuf_free(wps
->dh_pubkey
);
1834 wps
->dh_pubkey
= NULL
;
1835 wpabuf_free(wps
->dh_privkey
);
1836 wps
->dh_privkey
= NULL
;
1839 wps
->dh_ctx
= dh5_init_fixed(wps
->dh_privkey
, wps
->dh_pubkey
);
1840 if (wps
->dh_ctx
== NULL
)
1843 wpa_snprintf_hex_uppercase(pw
, sizeof(pw
),
1844 wpabuf_head(wpa_s
->conf
->wps_nfc_dev_pw
),
1845 wpabuf_len(wpa_s
->conf
->wps_nfc_dev_pw
));
1846 return wpas_wps_start_pin(wpa_s
, bssid
, pw
, 0,
1847 wpa_s
->conf
->wps_nfc_dev_pw_id
);
1851 static int wpas_wps_use_cred(struct wpa_supplicant
*wpa_s
,
1852 struct wps_parse_attr
*attr
)
1854 if (wps_oob_use_cred(wpa_s
->wps
, attr
) < 0)
1857 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
1860 wpa_printf(MSG_DEBUG
, "WPS: Request reconnection with new network "
1861 "based on the received credential added");
1862 wpa_s
->normal_scans
= 0;
1863 wpa_supplicant_reinit_autoscan(wpa_s
);
1864 wpa_s
->disconnected
= 0;
1865 wpa_s
->reassociate
= 1;
1866 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1872 #ifdef CONFIG_WPS_ER
1873 static int wpas_wps_add_nfc_password_token(struct wpa_supplicant
*wpa_s
,
1874 struct wps_parse_attr
*attr
)
1876 return wps_registrar_add_nfc_password_token(
1877 wpa_s
->wps
->registrar
, attr
->oob_dev_password
,
1878 attr
->oob_dev_password_len
);
1880 #endif /* CONFIG_WPS_ER */
1883 static int wpas_wps_nfc_tag_process(struct wpa_supplicant
*wpa_s
,
1884 const struct wpabuf
*wps
)
1886 struct wps_parse_attr attr
;
1888 wpa_hexdump_buf(MSG_DEBUG
, "WPS: Received NFC tag payload", wps
);
1890 if (wps_parse_msg(wps
, &attr
)) {
1891 wpa_printf(MSG_DEBUG
, "WPS: Ignore invalid data from NFC tag");
1896 return wpas_wps_use_cred(wpa_s
, &attr
);
1898 #ifdef CONFIG_WPS_ER
1899 if (attr
.oob_dev_password
)
1900 return wpas_wps_add_nfc_password_token(wpa_s
, &attr
);
1901 #endif /* CONFIG_WPS_ER */
1903 wpa_printf(MSG_DEBUG
, "WPS: Ignore unrecognized NFC tag");
1908 int wpas_wps_nfc_tag_read(struct wpa_supplicant
*wpa_s
,
1909 const struct wpabuf
*data
)
1911 const struct wpabuf
*wps
= data
;
1912 struct wpabuf
*tmp
= NULL
;
1915 if (wpabuf_len(data
) < 4)
1918 if (*wpabuf_head_u8(data
) != 0x10) {
1919 /* Assume this contains full NDEF record */
1920 tmp
= ndef_parse_wifi(data
);
1922 wpa_printf(MSG_DEBUG
, "WPS: Could not parse NDEF");
1928 ret
= wpas_wps_nfc_tag_process(wpa_s
, wps
);
1933 #endif /* CONFIG_WPS_NFC */
1936 extern int wpa_debug_level
;
1938 static void wpas_wps_dump_ap_info(struct wpa_supplicant
*wpa_s
)
1943 if (wpa_debug_level
> MSG_DEBUG
)
1946 if (wpa_s
->wps_ap
== NULL
)
1951 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
1952 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
1953 struct wpa_blacklist
*e
= wpa_blacklist_get(wpa_s
, ap
->bssid
);
1955 wpa_printf(MSG_DEBUG
, "WPS: AP[%d] " MACSTR
" type=%d "
1956 "tries=%d last_attempt=%d sec ago blacklist=%d",
1957 (int) i
, MAC2STR(ap
->bssid
), ap
->type
, ap
->tries
,
1958 ap
->last_attempt
.sec
> 0 ?
1959 (int) now
.sec
- (int) ap
->last_attempt
.sec
: -1,
1965 static struct wps_ap_info
* wpas_wps_get_ap_info(struct wpa_supplicant
*wpa_s
,
1970 if (wpa_s
->wps_ap
== NULL
)
1973 for (i
= 0; i
< wpa_s
->num_wps_ap
; i
++) {
1974 struct wps_ap_info
*ap
= &wpa_s
->wps_ap
[i
];
1975 if (os_memcmp(ap
->bssid
, bssid
, ETH_ALEN
) == 0)
1983 static void wpas_wps_update_ap_info_bss(struct wpa_supplicant
*wpa_s
,
1984 struct wpa_scan_res
*res
)
1987 enum wps_ap_info_type type
;
1988 struct wps_ap_info
*ap
;
1991 if (wpa_scan_get_vendor_ie(res
, WPS_IE_VENDOR_TYPE
) == NULL
)
1994 wps
= wpa_scan_get_vendor_ie_multi(res
, WPS_IE_VENDOR_TYPE
);
1998 r
= wps_is_addr_authorized(wps
, wpa_s
->own_addr
, 1);
2000 type
= WPS_AP_SEL_REG_OUR
;
2002 type
= WPS_AP_SEL_REG
;
2004 type
= WPS_AP_NOT_SEL_REG
;
2008 ap
= wpas_wps_get_ap_info(wpa_s
, res
->bssid
);
2010 if (ap
->type
!= type
) {
2011 wpa_printf(MSG_DEBUG
, "WPS: AP " MACSTR
2012 " changed type %d -> %d",
2013 MAC2STR(res
->bssid
), ap
->type
, type
);
2015 if (type
!= WPS_AP_NOT_SEL_REG
)
2016 wpa_blacklist_del(wpa_s
, ap
->bssid
);
2021 ap
= os_realloc_array(wpa_s
->wps_ap
, wpa_s
->num_wps_ap
+ 1,
2022 sizeof(struct wps_ap_info
));
2027 ap
= &wpa_s
->wps_ap
[wpa_s
->num_wps_ap
];
2028 wpa_s
->num_wps_ap
++;
2030 os_memset(ap
, 0, sizeof(*ap
));
2031 os_memcpy(ap
->bssid
, res
->bssid
, ETH_ALEN
);
2033 wpa_printf(MSG_DEBUG
, "WPS: AP " MACSTR
" type %d added",
2034 MAC2STR(ap
->bssid
), ap
->type
);
2038 void wpas_wps_update_ap_info(struct wpa_supplicant
*wpa_s
,
2039 struct wpa_scan_results
*scan_res
)
2043 for (i
= 0; i
< scan_res
->num
; i
++)
2044 wpas_wps_update_ap_info_bss(wpa_s
, scan_res
->res
[i
]);
2046 wpas_wps_dump_ap_info(wpa_s
);
2050 void wpas_wps_notify_assoc(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
2052 struct wps_ap_info
*ap
;
2053 if (!wpa_s
->wps_ap_iter
)
2055 ap
= wpas_wps_get_ap_info(wpa_s
, bssid
);
2059 os_get_time(&ap
->last_attempt
);