2 * WPA Supplicant - Glue code to setup EAPOL and RSN modules
3 * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "eapol_supp/eapol_supp_sm.h"
13 #include "eap_peer/eap.h"
14 #include "rsn_supp/wpa.h"
17 #include "l2_packet/l2_packet.h"
18 #include "common/wpa_common.h"
19 #include "wpa_supplicant_i.h"
21 #include "rsn_supp/pmksa_cache.h"
23 #include "common/ieee802_11_defs.h"
24 #include "common/wpa_ctrl.h"
25 #include "wpas_glue.h"
26 #include "wps_supplicant.h"
33 #ifndef CONFIG_NO_CONFIG_BLOBS
34 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
35 static void wpa_supplicant_set_config_blob(void *ctx
,
36 struct wpa_config_blob
*blob
)
38 struct wpa_supplicant
*wpa_s
= ctx
;
39 wpa_config_set_blob(wpa_s
->conf
, blob
);
40 if (wpa_s
->conf
->update_config
) {
41 int ret
= wpa_config_write(wpa_s
->confname
, wpa_s
->conf
);
43 wpa_printf(MSG_DEBUG
, "Failed to update config after "
50 static const struct wpa_config_blob
*
51 wpa_supplicant_get_config_blob(void *ctx
, const char *name
)
53 struct wpa_supplicant
*wpa_s
= ctx
;
54 return wpa_config_get_blob(wpa_s
->conf
, name
);
56 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
57 #endif /* CONFIG_NO_CONFIG_BLOBS */
60 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
61 static u8
* wpa_alloc_eapol(const struct wpa_supplicant
*wpa_s
, u8 type
,
62 const void *data
, u16 data_len
,
63 size_t *msg_len
, void **data_pos
)
65 struct ieee802_1x_hdr
*hdr
;
67 *msg_len
= sizeof(*hdr
) + data_len
;
68 hdr
= os_malloc(*msg_len
);
72 hdr
->version
= wpa_s
->conf
->eapol_version
;
74 hdr
->length
= host_to_be16(data_len
);
77 os_memcpy(hdr
+ 1, data
, data_len
);
79 os_memset(hdr
+ 1, 0, data_len
);
89 * wpa_ether_send - Send Ethernet frame
90 * @wpa_s: Pointer to wpa_supplicant data
91 * @dest: Destination MAC address
92 * @proto: Ethertype in host byte order
93 * @buf: Frame payload starting from IEEE 802.1X header
94 * @len: Frame payload length
95 * Returns: >=0 on success, <0 on failure
97 static int wpa_ether_send(struct wpa_supplicant
*wpa_s
, const u8
*dest
,
98 u16 proto
, const u8
*buf
, size_t len
)
100 #ifdef CONFIG_TESTING_OPTIONS
101 if (wpa_s
->ext_eapol_frame_io
&& proto
== ETH_P_EAPOL
) {
102 size_t hex_len
= 2 * len
+ 1;
103 char *hex
= os_malloc(hex_len
);
107 wpa_snprintf_hex(hex
, hex_len
, buf
, len
);
108 wpa_msg(wpa_s
, MSG_INFO
, "EAPOL-TX " MACSTR
" %s",
113 #endif /* CONFIG_TESTING_OPTIONS */
116 return l2_packet_send(wpa_s
->l2
, dest
, proto
, buf
, len
);
121 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
124 #ifdef IEEE8021X_EAPOL
127 * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
128 * @ctx: Pointer to wpa_supplicant data (wpa_s)
129 * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
130 * @buf: EAPOL payload (after IEEE 802.1X header)
131 * @len: EAPOL payload length
132 * Returns: >=0 on success, <0 on failure
134 * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
135 * to the current Authenticator.
137 static int wpa_supplicant_eapol_send(void *ctx
, int type
, const u8
*buf
,
140 struct wpa_supplicant
*wpa_s
= ctx
;
141 u8
*msg
, *dst
, bssid
[ETH_ALEN
];
145 /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
148 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) ||
149 wpa_s
->key_mgmt
== WPA_KEY_MGMT_OWE
||
150 wpa_s
->key_mgmt
== WPA_KEY_MGMT_DPP
||
151 wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
) {
152 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
153 * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
155 wpa_printf(MSG_DEBUG
, "WPA: drop TX EAPOL in non-IEEE 802.1X "
156 "mode (type=%d len=%lu)", type
,
157 (unsigned long) len
);
161 if (pmksa_cache_get_current(wpa_s
->wpa
) &&
162 type
== IEEE802_1X_TYPE_EAPOL_START
) {
164 * We were trying to use PMKSA caching and sending EAPOL-Start
165 * would abort that and trigger full EAPOL authentication.
166 * However, we've already waited for the AP/Authenticator to
167 * start 4-way handshake or EAP authentication, and apparently
168 * it has not done so since the startWhen timer has reached zero
169 * to get the state machine sending EAPOL-Start. This is not
170 * really supposed to happen, but an interoperability issue with
171 * a deployed AP has been identified where the connection fails
172 * due to that AP failing to operate correctly if PMKID is
173 * included in the Association Request frame. To work around
174 * this, assume PMKSA caching failed and try to initiate full
175 * EAP authentication.
177 if (!wpa_s
->current_ssid
||
178 wpa_s
->current_ssid
->eap_workaround
) {
179 wpa_printf(MSG_DEBUG
,
180 "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
182 wpa_printf(MSG_DEBUG
,
183 "RSN: PMKSA caching - do not send EAPOL-Start");
188 if (is_zero_ether_addr(wpa_s
->bssid
)) {
189 wpa_printf(MSG_DEBUG
, "BSSID not set when trying to send an "
191 if (wpa_drv_get_bssid(wpa_s
, bssid
) == 0 &&
192 !is_zero_ether_addr(bssid
)) {
194 wpa_printf(MSG_DEBUG
, "Using current BSSID " MACSTR
195 " from the driver as the EAPOL destination",
198 dst
= wpa_s
->last_eapol_src
;
199 wpa_printf(MSG_DEBUG
, "Using the source address of the"
200 " last received EAPOL frame " MACSTR
" as "
201 "the EAPOL destination",
205 /* BSSID was already set (from (Re)Assoc event, so use it as
206 * the EAPOL destination. */
210 msg
= wpa_alloc_eapol(wpa_s
, type
, buf
, len
, &msglen
, NULL
);
214 wpa_printf(MSG_DEBUG
, "TX EAPOL: dst=" MACSTR
, MAC2STR(dst
));
215 wpa_hexdump(MSG_MSGDUMP
, "TX EAPOL", msg
, msglen
);
216 res
= wpa_ether_send(wpa_s
, dst
, ETH_P_EAPOL
, msg
, msglen
);
223 * wpa_eapol_set_wep_key - set WEP key for the driver
224 * @ctx: Pointer to wpa_supplicant data (wpa_s)
225 * @unicast: 1 = individual unicast key, 0 = broadcast key
226 * @keyidx: WEP key index (0..3)
227 * @key: Pointer to key data
228 * @keylen: Key length in bytes
229 * Returns: 0 on success or < 0 on error.
231 static int wpa_eapol_set_wep_key(void *ctx
, int unicast
, int keyidx
,
232 const u8
*key
, size_t keylen
)
234 struct wpa_supplicant
*wpa_s
= ctx
;
235 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
236 int cipher
= (keylen
== 5) ? WPA_CIPHER_WEP40
:
239 wpa_s
->pairwise_cipher
= cipher
;
241 wpa_s
->group_cipher
= cipher
;
243 return wpa_drv_set_key(wpa_s
, WPA_ALG_WEP
,
244 unicast
? wpa_s
->bssid
: NULL
,
245 keyidx
, unicast
, NULL
, 0, key
, keylen
);
249 static void wpa_supplicant_aborted_cached(void *ctx
)
251 struct wpa_supplicant
*wpa_s
= ctx
;
252 wpa_sm_aborted_cached(wpa_s
->wpa
);
256 static const char * result_str(enum eapol_supp_result result
)
259 case EAPOL_SUPP_RESULT_FAILURE
:
261 case EAPOL_SUPP_RESULT_SUCCESS
:
263 case EAPOL_SUPP_RESULT_EXPECTED_FAILURE
:
264 return "EXPECTED_FAILURE";
270 static void wpa_supplicant_eapol_cb(struct eapol_sm
*eapol
,
271 enum eapol_supp_result result
,
274 struct wpa_supplicant
*wpa_s
= ctx
;
278 wpa_printf(MSG_DEBUG
, "EAPOL authentication completed - result=%s",
281 if (wpas_wps_eapol_cb(wpa_s
) > 0)
284 wpa_s
->eap_expected_failure
= result
==
285 EAPOL_SUPP_RESULT_EXPECTED_FAILURE
;
287 if (result
!= EAPOL_SUPP_RESULT_SUCCESS
) {
289 * Make sure we do not get stuck here waiting for long EAPOL
290 * timeout if the AP does not disconnect in case of
291 * authentication failure.
293 wpa_supplicant_req_auth_timeout(wpa_s
, 2, 0);
295 ieee802_1x_notify_create_actor(wpa_s
, wpa_s
->last_eapol_src
);
298 if (result
!= EAPOL_SUPP_RESULT_SUCCESS
||
299 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
))
302 if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
))
305 wpa_printf(MSG_DEBUG
, "Configure PMK for driver-based RSN 4-way "
309 if (wpa_key_mgmt_ft(wpa_s
->key_mgmt
)) {
310 #ifdef CONFIG_IEEE80211R
312 wpa_printf(MSG_DEBUG
, "RSN: Use FT XXKey as PMK for "
313 "driver-based 4-way hs and FT");
314 res
= eapol_sm_get_key(eapol
, buf
, 2 * PMK_LEN
);
316 os_memcpy(pmk
, buf
+ PMK_LEN
, PMK_LEN
);
317 os_memset(buf
, 0, sizeof(buf
));
319 #else /* CONFIG_IEEE80211R */
321 #endif /* CONFIG_IEEE80211R */
323 res
= eapol_sm_get_key(eapol
, pmk
, PMK_LEN
);
326 * EAP-LEAP is an exception from other EAP methods: it
327 * uses only 16-byte PMK.
329 res
= eapol_sm_get_key(eapol
, pmk
, 16);
335 wpa_printf(MSG_DEBUG
, "Failed to get PMK from EAPOL state "
340 wpa_hexdump_key(MSG_DEBUG
, "RSN: Configure PMK for driver-based 4-way "
341 "handshake", pmk
, pmk_len
);
343 if (wpa_drv_set_key(wpa_s
, WPA_ALG_PMK
, NULL
, 0, 0, NULL
, 0, pmk
,
345 wpa_printf(MSG_DEBUG
, "Failed to set PMK to the driver");
348 wpa_supplicant_cancel_scan(wpa_s
);
349 wpa_supplicant_cancel_auth_timeout(wpa_s
);
350 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
355 static void wpa_supplicant_notify_eapol_done(void *ctx
)
357 struct wpa_supplicant
*wpa_s
= ctx
;
358 wpa_msg(wpa_s
, MSG_DEBUG
, "WPA: EAPOL processing complete");
359 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
360 wpa_supplicant_set_state(wpa_s
, WPA_4WAY_HANDSHAKE
);
362 wpa_supplicant_cancel_auth_timeout(wpa_s
);
363 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
367 #endif /* IEEE8021X_EAPOL */
370 #ifndef CONFIG_NO_WPA
372 static int wpa_get_beacon_ie(struct wpa_supplicant
*wpa_s
)
375 struct wpa_bss
*curr
= NULL
, *bss
;
376 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
379 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
380 if (os_memcmp(bss
->bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0)
383 ((bss
->ssid_len
== ssid
->ssid_len
&&
384 os_memcmp(bss
->ssid
, ssid
->ssid
, ssid
->ssid_len
) == 0) ||
385 ssid
->ssid_len
== 0)) {
392 ie
= wpa_bss_get_vendor_ie(curr
, WPA_IE_VENDOR_TYPE
);
393 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, ie
, ie
? 2 + ie
[1] : 0))
396 ie
= wpa_bss_get_ie(curr
, WLAN_EID_RSN
);
397 if (wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, ie
, ie
? 2 + ie
[1] : 0))
407 static int wpa_supplicant_get_beacon_ie(void *ctx
)
409 struct wpa_supplicant
*wpa_s
= ctx
;
410 if (wpa_get_beacon_ie(wpa_s
) == 0) {
414 /* No WPA/RSN IE found in the cached scan results. Try to get updated
415 * scan results from the driver. */
416 if (wpa_supplicant_update_scan_results(wpa_s
) < 0)
419 return wpa_get_beacon_ie(wpa_s
);
423 static u8
* _wpa_alloc_eapol(void *wpa_s
, u8 type
,
424 const void *data
, u16 data_len
,
425 size_t *msg_len
, void **data_pos
)
427 return wpa_alloc_eapol(wpa_s
, type
, data
, data_len
, msg_len
, data_pos
);
431 static int _wpa_ether_send(void *wpa_s
, const u8
*dest
, u16 proto
,
432 const u8
*buf
, size_t len
)
434 return wpa_ether_send(wpa_s
, dest
, proto
, buf
, len
);
438 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s
)
440 wpa_supplicant_cancel_auth_timeout(wpa_s
);
444 static void _wpa_supplicant_set_state(void *wpa_s
, enum wpa_states state
)
446 wpa_supplicant_set_state(wpa_s
, state
);
451 * wpa_supplicant_get_state - Get the connection state
452 * @wpa_s: Pointer to wpa_supplicant data
453 * Returns: The current connection state (WPA_*)
455 static enum wpa_states
wpa_supplicant_get_state(struct wpa_supplicant
*wpa_s
)
457 return wpa_s
->wpa_state
;
461 static enum wpa_states
_wpa_supplicant_get_state(void *wpa_s
)
463 return wpa_supplicant_get_state(wpa_s
);
467 static void _wpa_supplicant_deauthenticate(void *wpa_s
, int reason_code
)
469 wpa_supplicant_deauthenticate(wpa_s
, reason_code
);
470 /* Schedule a scan to make sure we continue looking for networks */
471 wpa_supplicant_req_scan(wpa_s
, 5, 0);
475 static void * wpa_supplicant_get_network_ctx(void *wpa_s
)
477 return wpa_supplicant_get_ssid(wpa_s
);
481 static int wpa_supplicant_get_bssid(void *ctx
, u8
*bssid
)
483 struct wpa_supplicant
*wpa_s
= ctx
;
484 return wpa_drv_get_bssid(wpa_s
, bssid
);
488 static int wpa_supplicant_set_key(void *_wpa_s
, enum wpa_alg alg
,
489 const u8
*addr
, int key_idx
, int set_tx
,
490 const u8
*seq
, size_t seq_len
,
491 const u8
*key
, size_t key_len
)
493 struct wpa_supplicant
*wpa_s
= _wpa_s
;
494 if (alg
== WPA_ALG_TKIP
&& key_idx
== 0 && key_len
== 32) {
495 /* Clear the MIC error counter when setting a new PTK. */
496 wpa_s
->mic_errors_seen
= 0;
498 #ifdef CONFIG_TESTING_GET_GTK
499 if (key_idx
> 0 && addr
&& is_broadcast_ether_addr(addr
) &&
500 alg
!= WPA_ALG_NONE
&& key_len
<= sizeof(wpa_s
->last_gtk
)) {
501 os_memcpy(wpa_s
->last_gtk
, key
, key_len
);
502 wpa_s
->last_gtk_len
= key_len
;
504 #endif /* CONFIG_TESTING_GET_GTK */
505 #ifdef CONFIG_TESTING_OPTIONS
506 if (addr
&& !is_broadcast_ether_addr(addr
)) {
507 wpa_s
->last_tk_alg
= alg
;
508 os_memcpy(wpa_s
->last_tk_addr
, addr
, ETH_ALEN
);
509 wpa_s
->last_tk_key_idx
= key_idx
;
511 os_memcpy(wpa_s
->last_tk
, key
, key_len
);
512 wpa_s
->last_tk_len
= key_len
;
514 #endif /* CONFIG_TESTING_OPTIONS */
515 return wpa_drv_set_key(wpa_s
, alg
, addr
, key_idx
, set_tx
, seq
, seq_len
,
520 static int wpa_supplicant_mlme_setprotection(void *wpa_s
, const u8
*addr
,
524 return wpa_drv_mlme_setprotection(wpa_s
, addr
, protection_type
,
529 static struct wpa_ssid
* wpas_get_network_ctx(struct wpa_supplicant
*wpa_s
,
532 struct wpa_ssid
*ssid
;
534 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
535 if (network_ctx
== ssid
)
543 static int wpa_supplicant_add_pmkid(void *_wpa_s
, void *network_ctx
,
544 const u8
*bssid
, const u8
*pmkid
,
545 const u8
*fils_cache_id
,
546 const u8
*pmk
, size_t pmk_len
)
548 struct wpa_supplicant
*wpa_s
= _wpa_s
;
549 struct wpa_ssid
*ssid
;
550 struct wpa_pmkid_params params
;
552 os_memset(¶ms
, 0, sizeof(params
));
553 ssid
= wpas_get_network_ctx(wpa_s
, network_ctx
);
555 wpa_msg(wpa_s
, MSG_INFO
, PMKSA_CACHE_ADDED MACSTR
" %d",
556 MAC2STR(bssid
), ssid
->id
);
557 if (ssid
&& fils_cache_id
) {
558 params
.ssid
= ssid
->ssid
;
559 params
.ssid_len
= ssid
->ssid_len
;
560 params
.fils_cache_id
= fils_cache_id
;
562 params
.bssid
= bssid
;
565 params
.pmkid
= pmkid
;
567 params
.pmk_len
= pmk_len
;
569 return wpa_drv_add_pmkid(wpa_s
, ¶ms
);
573 static int wpa_supplicant_remove_pmkid(void *_wpa_s
, void *network_ctx
,
574 const u8
*bssid
, const u8
*pmkid
,
575 const u8
*fils_cache_id
)
577 struct wpa_supplicant
*wpa_s
= _wpa_s
;
578 struct wpa_ssid
*ssid
;
579 struct wpa_pmkid_params params
;
581 os_memset(¶ms
, 0, sizeof(params
));
582 ssid
= wpas_get_network_ctx(wpa_s
, network_ctx
);
584 wpa_msg(wpa_s
, MSG_INFO
, PMKSA_CACHE_REMOVED MACSTR
" %d",
585 MAC2STR(bssid
), ssid
->id
);
586 if (ssid
&& fils_cache_id
) {
587 params
.ssid
= ssid
->ssid
;
588 params
.ssid_len
= ssid
->ssid_len
;
589 params
.fils_cache_id
= fils_cache_id
;
591 params
.bssid
= bssid
;
594 params
.pmkid
= pmkid
;
596 return wpa_drv_remove_pmkid(wpa_s
, ¶ms
);
600 #ifdef CONFIG_IEEE80211R
601 static int wpa_supplicant_update_ft_ies(void *ctx
, const u8
*md
,
602 const u8
*ies
, size_t ies_len
)
604 struct wpa_supplicant
*wpa_s
= ctx
;
605 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
606 return sme_update_ft_ies(wpa_s
, md
, ies
, ies_len
);
607 return wpa_drv_update_ft_ies(wpa_s
, md
, ies
, ies_len
);
611 static int wpa_supplicant_send_ft_action(void *ctx
, u8 action
,
613 const u8
*ies
, size_t ies_len
)
615 struct wpa_supplicant
*wpa_s
= ctx
;
621 wpa_printf(MSG_ERROR
, "Unsupported send_ft_action action %d",
627 * Action frame payload:
628 * Category[1] = 6 (Fast BSS Transition)
629 * Action[1] = 1 (Fast BSS Transition Request)
635 data_len
= 2 + 2 * ETH_ALEN
+ ies_len
;
636 data
= os_malloc(data_len
);
640 *pos
++ = 0x06; /* FT Action category */
642 os_memcpy(pos
, wpa_s
->own_addr
, ETH_ALEN
);
644 os_memcpy(pos
, target_ap
, ETH_ALEN
);
646 os_memcpy(pos
, ies
, ies_len
);
648 ret
= wpa_drv_send_action(wpa_s
, wpa_s
->assoc_freq
, 0,
649 wpa_s
->bssid
, wpa_s
->own_addr
, wpa_s
->bssid
,
657 static int wpa_supplicant_mark_authenticated(void *ctx
, const u8
*target_ap
)
659 struct wpa_supplicant
*wpa_s
= ctx
;
660 struct wpa_driver_auth_params params
;
663 bss
= wpa_bss_get_bssid(wpa_s
, target_ap
);
667 os_memset(¶ms
, 0, sizeof(params
));
668 params
.bssid
= target_ap
;
669 params
.freq
= bss
->freq
;
670 params
.ssid
= bss
->ssid
;
671 params
.ssid_len
= bss
->ssid_len
;
672 params
.auth_alg
= WPA_AUTH_ALG_FT
;
673 params
.local_state_change
= 1;
674 return wpa_drv_authenticate(wpa_s
, ¶ms
);
676 #endif /* CONFIG_IEEE80211R */
681 static int wpa_supplicant_tdls_get_capa(void *ctx
, int *tdls_supported
,
683 int *tdls_chan_switch
)
685 struct wpa_supplicant
*wpa_s
= ctx
;
689 *tdls_chan_switch
= 0;
691 if (!wpa_s
->drv_capa_known
)
694 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
)
697 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP
)
700 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH
)
701 *tdls_chan_switch
= 1;
707 static int wpa_supplicant_send_tdls_mgmt(void *ctx
, const u8
*dst
,
708 u8 action_code
, u8 dialog_token
,
709 u16 status_code
, u32 peer_capab
,
710 int initiator
, const u8
*buf
,
713 struct wpa_supplicant
*wpa_s
= ctx
;
714 return wpa_drv_send_tdls_mgmt(wpa_s
, dst
, action_code
, dialog_token
,
715 status_code
, peer_capab
, initiator
, buf
,
720 static int wpa_supplicant_tdls_oper(void *ctx
, int oper
, const u8
*peer
)
722 struct wpa_supplicant
*wpa_s
= ctx
;
723 return wpa_drv_tdls_oper(wpa_s
, oper
, peer
);
727 static int wpa_supplicant_tdls_peer_addset(
728 void *ctx
, const u8
*peer
, int add
, u16 aid
, u16 capability
,
729 const u8
*supp_rates
, size_t supp_rates_len
,
730 const struct ieee80211_ht_capabilities
*ht_capab
,
731 const struct ieee80211_vht_capabilities
*vht_capab
,
732 u8 qosinfo
, int wmm
, const u8
*ext_capab
, size_t ext_capab_len
,
733 const u8
*supp_channels
, size_t supp_channels_len
,
734 const u8
*supp_oper_classes
, size_t supp_oper_classes_len
)
736 struct wpa_supplicant
*wpa_s
= ctx
;
737 struct hostapd_sta_add_params params
;
739 os_memset(¶ms
, 0, sizeof(params
));
743 params
.capability
= capability
;
744 params
.flags
= WPA_STA_TDLS_PEER
| WPA_STA_AUTHORIZED
;
747 * Don't rely only on qosinfo for WMM capability. It may be 0 even when
748 * present. Allow the WMM IE to also indicate QoS support.
751 params
.flags
|= WPA_STA_WMM
;
753 params
.ht_capabilities
= ht_capab
;
754 params
.vht_capabilities
= vht_capab
;
755 params
.qosinfo
= qosinfo
;
756 params
.listen_interval
= 0;
757 params
.supp_rates
= supp_rates
;
758 params
.supp_rates_len
= supp_rates_len
;
760 params
.ext_capab
= ext_capab
;
761 params
.ext_capab_len
= ext_capab_len
;
762 params
.supp_channels
= supp_channels
;
763 params
.supp_channels_len
= supp_channels_len
;
764 params
.supp_oper_classes
= supp_oper_classes
;
765 params
.supp_oper_classes_len
= supp_oper_classes_len
;
767 return wpa_drv_sta_add(wpa_s
, ¶ms
);
771 static int wpa_supplicant_tdls_enable_channel_switch(
772 void *ctx
, const u8
*addr
, u8 oper_class
,
773 const struct hostapd_freq_params
*params
)
775 struct wpa_supplicant
*wpa_s
= ctx
;
777 return wpa_drv_tdls_enable_channel_switch(wpa_s
, addr
, oper_class
,
782 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx
, const u8
*addr
)
784 struct wpa_supplicant
*wpa_s
= ctx
;
786 return wpa_drv_tdls_disable_channel_switch(wpa_s
, addr
);
789 #endif /* CONFIG_TDLS */
791 #endif /* CONFIG_NO_WPA */
794 enum wpa_ctrl_req_type
wpa_supplicant_ctrl_req_from_string(const char *field
)
796 if (os_strcmp(field
, "IDENTITY") == 0)
797 return WPA_CTRL_REQ_EAP_IDENTITY
;
798 else if (os_strcmp(field
, "PASSWORD") == 0)
799 return WPA_CTRL_REQ_EAP_PASSWORD
;
800 else if (os_strcmp(field
, "NEW_PASSWORD") == 0)
801 return WPA_CTRL_REQ_EAP_NEW_PASSWORD
;
802 else if (os_strcmp(field
, "PIN") == 0)
803 return WPA_CTRL_REQ_EAP_PIN
;
804 else if (os_strcmp(field
, "OTP") == 0)
805 return WPA_CTRL_REQ_EAP_OTP
;
806 else if (os_strcmp(field
, "PASSPHRASE") == 0)
807 return WPA_CTRL_REQ_EAP_PASSPHRASE
;
808 else if (os_strcmp(field
, "SIM") == 0)
809 return WPA_CTRL_REQ_SIM
;
810 else if (os_strcmp(field
, "PSK_PASSPHRASE") == 0)
811 return WPA_CTRL_REQ_PSK_PASSPHRASE
;
812 else if (os_strcmp(field
, "EXT_CERT_CHECK") == 0)
813 return WPA_CTRL_REQ_EXT_CERT_CHECK
;
814 return WPA_CTRL_REQ_UNKNOWN
;
818 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field
,
819 const char *default_txt
,
822 const char *ret
= NULL
;
827 case WPA_CTRL_REQ_EAP_IDENTITY
:
831 case WPA_CTRL_REQ_EAP_PASSWORD
:
835 case WPA_CTRL_REQ_EAP_NEW_PASSWORD
:
836 *txt
= "New Password";
837 ret
= "NEW_PASSWORD";
839 case WPA_CTRL_REQ_EAP_PIN
:
843 case WPA_CTRL_REQ_EAP_OTP
:
846 case WPA_CTRL_REQ_EAP_PASSPHRASE
:
847 *txt
= "Private key passphrase";
850 case WPA_CTRL_REQ_SIM
:
853 case WPA_CTRL_REQ_PSK_PASSPHRASE
:
854 *txt
= "PSK or passphrase";
855 ret
= "PSK_PASSPHRASE";
857 case WPA_CTRL_REQ_EXT_CERT_CHECK
:
858 *txt
= "External server certificate validation";
859 ret
= "EXT_CERT_CHECK";
865 /* txt needs to be something */
867 wpa_printf(MSG_WARNING
, "No message for request %d", field
);
875 void wpas_send_ctrl_req(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
876 const char *field_name
, const char *txt
)
882 buflen
= 100 + os_strlen(txt
) + ssid
->ssid_len
;
883 buf
= os_malloc(buflen
);
886 len
= os_snprintf(buf
, buflen
, "%s-%d:%s needed for SSID ",
887 field_name
, ssid
->id
, txt
);
888 if (os_snprintf_error(buflen
, len
)) {
892 if (ssid
->ssid
&& buflen
> len
+ ssid
->ssid_len
) {
893 os_memcpy(buf
+ len
, ssid
->ssid
, ssid
->ssid_len
);
894 len
+= ssid
->ssid_len
;
897 buf
[buflen
- 1] = '\0';
898 wpa_msg(wpa_s
, MSG_INFO
, WPA_CTRL_REQ
"%s", buf
);
903 #ifdef IEEE8021X_EAPOL
904 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
905 static void wpa_supplicant_eap_param_needed(void *ctx
,
906 enum wpa_ctrl_req_type field
,
907 const char *default_txt
)
909 struct wpa_supplicant
*wpa_s
= ctx
;
910 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
911 const char *field_name
, *txt
= NULL
;
916 if (field
== WPA_CTRL_REQ_EXT_CERT_CHECK
)
917 ssid
->eap
.pending_ext_cert_check
= PENDING_CHECK
;
918 wpas_notify_network_request(wpa_s
, ssid
, field
, default_txt
);
920 field_name
= wpa_supplicant_ctrl_req_to_string(field
, default_txt
,
922 if (field_name
== NULL
) {
923 wpa_printf(MSG_WARNING
, "Unhandled EAP param %d needed",
928 wpas_notify_eap_status(wpa_s
, "eap parameter needed", field_name
);
930 wpas_send_ctrl_req(wpa_s
, ssid
, field_name
, txt
);
932 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
933 #define wpa_supplicant_eap_param_needed NULL
934 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
937 #ifdef CONFIG_EAP_PROXY
939 static void wpa_supplicant_eap_proxy_cb(void *ctx
)
941 struct wpa_supplicant
*wpa_s
= ctx
;
944 wpa_s
->mnc_len
= eapol_sm_get_eap_proxy_imsi(wpa_s
->eapol
, -1,
946 if (wpa_s
->mnc_len
> 0) {
947 wpa_s
->imsi
[len
] = '\0';
948 wpa_printf(MSG_DEBUG
, "eap_proxy: IMSI %s (MNC length %d)",
949 wpa_s
->imsi
, wpa_s
->mnc_len
);
951 wpa_printf(MSG_DEBUG
, "eap_proxy: IMSI not available");
956 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant
*wpa_s
)
959 struct wpa_ssid
*ssid
;
960 const struct eap_method_type
*eap_methods
;
965 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
966 eap_methods
= ssid
->eap
.eap_methods
;
970 for (i
= 0; eap_methods
[i
].method
!= EAP_TYPE_NONE
; i
++) {
971 if (eap_methods
[i
].vendor
== EAP_VENDOR_IETF
&&
972 (eap_methods
[i
].method
== EAP_TYPE_SIM
||
973 eap_methods
[i
].method
== EAP_TYPE_AKA
||
974 eap_methods
[i
].method
== EAP_TYPE_AKA_PRIME
)) {
975 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, ssid
);
984 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx
,
985 enum eap_proxy_sim_state sim_state
)
987 struct wpa_supplicant
*wpa_s
= ctx
;
989 wpa_printf(MSG_DEBUG
, "eap_proxy: SIM card status %u", sim_state
);
991 case SIM_STATE_ERROR
:
992 wpa_sm_sim_state_error_handler(wpa_s
);
995 wpa_printf(MSG_DEBUG
, "eap_proxy: SIM card status unknown");
1000 #endif /* CONFIG_EAP_PROXY */
1003 static void wpa_supplicant_port_cb(void *ctx
, int authorized
)
1005 struct wpa_supplicant
*wpa_s
= ctx
;
1007 if (wpa_s
->ap_iface
) {
1008 wpa_printf(MSG_DEBUG
, "AP mode active - skip EAPOL Supplicant "
1010 authorized
? "Authorized" : "Unauthorized");
1013 #endif /* CONFIG_AP */
1014 wpa_printf(MSG_DEBUG
, "EAPOL: Supplicant port status: %s",
1015 authorized
? "Authorized" : "Unauthorized");
1016 wpa_drv_set_supp_port(wpa_s
, authorized
);
1020 static void wpa_supplicant_cert_cb(void *ctx
, int depth
, const char *subject
,
1021 const char *altsubject
[], int num_altsubject
,
1022 const char *cert_hash
,
1023 const struct wpabuf
*cert
)
1025 struct wpa_supplicant
*wpa_s
= ctx
;
1027 wpas_notify_certification(wpa_s
, depth
, subject
, altsubject
,
1028 num_altsubject
, cert_hash
, cert
);
1032 static void wpa_supplicant_status_cb(void *ctx
, const char *status
,
1033 const char *parameter
)
1035 struct wpa_supplicant
*wpa_s
= ctx
;
1037 wpas_notify_eap_status(wpa_s
, status
, parameter
);
1041 static void wpa_supplicant_eap_error_cb(void *ctx
, int error_code
)
1043 struct wpa_supplicant
*wpa_s
= ctx
;
1045 wpas_notify_eap_error(wpa_s
, error_code
);
1049 static void wpa_supplicant_set_anon_id(void *ctx
, const u8
*id
, size_t len
)
1051 struct wpa_supplicant
*wpa_s
= ctx
;
1055 wpa_hexdump_ascii(MSG_DEBUG
, "EAP method updated anonymous_identity",
1058 if (wpa_s
->current_ssid
== NULL
)
1062 if (wpa_config_set(wpa_s
->current_ssid
, "anonymous_identity",
1066 str
= os_malloc(len
* 2 + 1);
1069 wpa_snprintf_hex(str
, len
* 2 + 1, id
, len
);
1070 res
= wpa_config_set(wpa_s
->current_ssid
, "anonymous_identity",
1077 if (wpa_s
->conf
->update_config
) {
1078 res
= wpa_config_write(wpa_s
->confname
, wpa_s
->conf
);
1080 wpa_printf(MSG_DEBUG
, "Failed to update config after "
1081 "anonymous_id update");
1085 #endif /* IEEE8021X_EAPOL */
1088 int wpa_supplicant_init_eapol(struct wpa_supplicant
*wpa_s
)
1090 #ifdef IEEE8021X_EAPOL
1091 struct eapol_ctx
*ctx
;
1092 ctx
= os_zalloc(sizeof(*ctx
));
1094 wpa_printf(MSG_ERROR
, "Failed to allocate EAPOL context.");
1099 ctx
->msg_ctx
= wpa_s
;
1100 ctx
->eapol_send_ctx
= wpa_s
;
1102 ctx
->eapol_done_cb
= wpa_supplicant_notify_eapol_done
;
1103 ctx
->eapol_send
= wpa_supplicant_eapol_send
;
1104 ctx
->set_wep_key
= wpa_eapol_set_wep_key
;
1105 #ifndef CONFIG_NO_CONFIG_BLOBS
1106 ctx
->set_config_blob
= wpa_supplicant_set_config_blob
;
1107 ctx
->get_config_blob
= wpa_supplicant_get_config_blob
;
1108 #endif /* CONFIG_NO_CONFIG_BLOBS */
1109 ctx
->aborted_cached
= wpa_supplicant_aborted_cached
;
1110 ctx
->opensc_engine_path
= wpa_s
->conf
->opensc_engine_path
;
1111 ctx
->pkcs11_engine_path
= wpa_s
->conf
->pkcs11_engine_path
;
1112 ctx
->pkcs11_module_path
= wpa_s
->conf
->pkcs11_module_path
;
1113 ctx
->openssl_ciphers
= wpa_s
->conf
->openssl_ciphers
;
1114 ctx
->wps
= wpa_s
->wps
;
1115 ctx
->eap_param_needed
= wpa_supplicant_eap_param_needed
;
1116 #ifdef CONFIG_EAP_PROXY
1117 ctx
->eap_proxy_cb
= wpa_supplicant_eap_proxy_cb
;
1118 ctx
->eap_proxy_notify_sim_status
=
1119 wpa_supplicant_eap_proxy_notify_sim_status
;
1120 #endif /* CONFIG_EAP_PROXY */
1121 ctx
->port_cb
= wpa_supplicant_port_cb
;
1122 ctx
->cb
= wpa_supplicant_eapol_cb
;
1123 ctx
->cert_cb
= wpa_supplicant_cert_cb
;
1124 ctx
->cert_in_cb
= wpa_s
->conf
->cert_in_cb
;
1125 ctx
->status_cb
= wpa_supplicant_status_cb
;
1126 ctx
->eap_error_cb
= wpa_supplicant_eap_error_cb
;
1127 ctx
->set_anon_id
= wpa_supplicant_set_anon_id
;
1128 ctx
->cb_ctx
= wpa_s
;
1129 wpa_s
->eapol
= eapol_sm_init(ctx
);
1130 if (wpa_s
->eapol
== NULL
) {
1132 wpa_printf(MSG_ERROR
, "Failed to initialize EAPOL state "
1136 #endif /* IEEE8021X_EAPOL */
1142 #ifndef CONFIG_NO_WPA
1144 static void wpa_supplicant_set_rekey_offload(void *ctx
,
1145 const u8
*kek
, size_t kek_len
,
1146 const u8
*kck
, size_t kck_len
,
1147 const u8
*replay_ctr
)
1149 struct wpa_supplicant
*wpa_s
= ctx
;
1151 wpa_drv_set_rekey_info(wpa_s
, kek
, kek_len
, kck
, kck_len
, replay_ctr
);
1155 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx
, const u8
*pmk
,
1158 struct wpa_supplicant
*wpa_s
= ctx
;
1160 if (wpa_s
->conf
->key_mgmt_offload
&&
1161 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD
))
1162 return wpa_drv_set_key(wpa_s
, WPA_ALG_PMK
, NULL
, 0, 0,
1163 NULL
, 0, pmk
, pmk_len
);
1169 static void wpa_supplicant_fils_hlp_rx(void *ctx
, const u8
*dst
, const u8
*src
,
1170 const u8
*pkt
, size_t pkt_len
)
1172 struct wpa_supplicant
*wpa_s
= ctx
;
1176 hexlen
= pkt_len
* 2 + 1;
1177 hex
= os_malloc(hexlen
);
1180 wpa_snprintf_hex(hex
, hexlen
, pkt
, pkt_len
);
1181 wpa_msg(wpa_s
, MSG_INFO
, FILS_HLP_RX
"dst=" MACSTR
" src=" MACSTR
1182 " frame=%s", MAC2STR(dst
), MAC2STR(src
), hex
);
1186 #endif /* CONFIG_NO_WPA */
1189 int wpa_supplicant_init_wpa(struct wpa_supplicant
*wpa_s
)
1191 #ifndef CONFIG_NO_WPA
1192 struct wpa_sm_ctx
*ctx
;
1193 ctx
= os_zalloc(sizeof(*ctx
));
1195 wpa_printf(MSG_ERROR
, "Failed to allocate WPA context.");
1200 ctx
->msg_ctx
= wpa_s
;
1201 ctx
->set_state
= _wpa_supplicant_set_state
;
1202 ctx
->get_state
= _wpa_supplicant_get_state
;
1203 ctx
->deauthenticate
= _wpa_supplicant_deauthenticate
;
1204 ctx
->set_key
= wpa_supplicant_set_key
;
1205 ctx
->get_network_ctx
= wpa_supplicant_get_network_ctx
;
1206 ctx
->get_bssid
= wpa_supplicant_get_bssid
;
1207 ctx
->ether_send
= _wpa_ether_send
;
1208 ctx
->get_beacon_ie
= wpa_supplicant_get_beacon_ie
;
1209 ctx
->alloc_eapol
= _wpa_alloc_eapol
;
1210 ctx
->cancel_auth_timeout
= _wpa_supplicant_cancel_auth_timeout
;
1211 ctx
->add_pmkid
= wpa_supplicant_add_pmkid
;
1212 ctx
->remove_pmkid
= wpa_supplicant_remove_pmkid
;
1213 #ifndef CONFIG_NO_CONFIG_BLOBS
1214 ctx
->set_config_blob
= wpa_supplicant_set_config_blob
;
1215 ctx
->get_config_blob
= wpa_supplicant_get_config_blob
;
1216 #endif /* CONFIG_NO_CONFIG_BLOBS */
1217 ctx
->mlme_setprotection
= wpa_supplicant_mlme_setprotection
;
1218 #ifdef CONFIG_IEEE80211R
1219 ctx
->update_ft_ies
= wpa_supplicant_update_ft_ies
;
1220 ctx
->send_ft_action
= wpa_supplicant_send_ft_action
;
1221 ctx
->mark_authenticated
= wpa_supplicant_mark_authenticated
;
1222 #endif /* CONFIG_IEEE80211R */
1224 ctx
->tdls_get_capa
= wpa_supplicant_tdls_get_capa
;
1225 ctx
->send_tdls_mgmt
= wpa_supplicant_send_tdls_mgmt
;
1226 ctx
->tdls_oper
= wpa_supplicant_tdls_oper
;
1227 ctx
->tdls_peer_addset
= wpa_supplicant_tdls_peer_addset
;
1228 ctx
->tdls_enable_channel_switch
=
1229 wpa_supplicant_tdls_enable_channel_switch
;
1230 ctx
->tdls_disable_channel_switch
=
1231 wpa_supplicant_tdls_disable_channel_switch
;
1232 #endif /* CONFIG_TDLS */
1233 ctx
->set_rekey_offload
= wpa_supplicant_set_rekey_offload
;
1234 ctx
->key_mgmt_set_pmk
= wpa_supplicant_key_mgmt_set_pmk
;
1235 ctx
->fils_hlp_rx
= wpa_supplicant_fils_hlp_rx
;
1237 wpa_s
->wpa
= wpa_sm_init(ctx
);
1238 if (wpa_s
->wpa
== NULL
) {
1239 wpa_printf(MSG_ERROR
, "Failed to initialize WPA state "
1244 #endif /* CONFIG_NO_WPA */
1250 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant
*wpa_s
,
1251 struct wpa_ssid
*ssid
)
1253 struct rsn_supp_config conf
;
1255 os_memset(&conf
, 0, sizeof(conf
));
1256 conf
.network_ctx
= ssid
;
1257 conf
.allowed_pairwise_cipher
= ssid
->pairwise_cipher
;
1258 #ifdef IEEE8021X_EAPOL
1259 conf
.proactive_key_caching
= ssid
->proactive_key_caching
< 0 ?
1260 wpa_s
->conf
->okc
: ssid
->proactive_key_caching
;
1261 conf
.eap_workaround
= ssid
->eap_workaround
;
1262 conf
.eap_conf_ctx
= &ssid
->eap
;
1263 #endif /* IEEE8021X_EAPOL */
1264 conf
.ssid
= ssid
->ssid
;
1265 conf
.ssid_len
= ssid
->ssid_len
;
1266 conf
.wpa_ptk_rekey
= ssid
->wpa_ptk_rekey
;
1268 if (ssid
->p2p_group
&& wpa_s
->current_bss
&&
1269 !wpa_s
->p2p_disable_ip_addr_req
) {
1271 p2p
= wpa_bss_get_vendor_ie_multi(wpa_s
->current_bss
,
1272 P2P_IE_VENDOR_TYPE
);
1275 group_capab
= p2p_get_group_capab(p2p
);
1277 P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION
)
1282 #endif /* CONFIG_P2P */
1283 conf
.wpa_rsc_relaxation
= wpa_s
->conf
->wpa_rsc_relaxation
;
1285 if (wpa_key_mgmt_fils(wpa_s
->key_mgmt
))
1286 conf
.fils_cache_id
=
1287 wpa_bss_get_fils_cache_id(wpa_s
->current_bss
);
1288 #endif /* CONFIG_FILS */
1290 wpa_sm_set_config(wpa_s
->wpa
, ssid
? &conf
: NULL
);