3 * Copyright (c) 2017, Qualcomm Atheros, Inc.
4 * Copyright (c) 2018-2019, The Linux Foundation
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
10 #include "utils/includes.h"
12 #include "utils/common.h"
13 #include "utils/eloop.h"
14 #include "utils/ip_addr.h"
15 #include "common/dpp.h"
16 #include "common/gas.h"
17 #include "common/gas_server.h"
18 #include "rsn_supp/wpa.h"
19 #include "rsn_supp/pmksa_cache.h"
20 #include "wpa_supplicant_i.h"
23 #include "offchannel.h"
24 #include "gas_query.h"
28 #include "dpp_supplicant.h"
31 static int wpas_dpp_listen_start(struct wpa_supplicant
*wpa_s
,
33 static void wpas_dpp_reply_wait_timeout(void *eloop_ctx
, void *timeout_ctx
);
34 static void wpas_dpp_auth_success(struct wpa_supplicant
*wpa_s
, int initiator
);
35 static void wpas_dpp_tx_status(struct wpa_supplicant
*wpa_s
,
36 unsigned int freq
, const u8
*dst
,
37 const u8
*src
, const u8
*bssid
,
38 const u8
*data
, size_t data_len
,
39 enum offchannel_send_action_result result
);
40 static void wpas_dpp_init_timeout(void *eloop_ctx
, void *timeout_ctx
);
41 static int wpas_dpp_auth_init_next(struct wpa_supplicant
*wpa_s
);
43 wpas_dpp_tx_pkex_status(struct wpa_supplicant
*wpa_s
,
44 unsigned int freq
, const u8
*dst
,
45 const u8
*src
, const u8
*bssid
,
46 const u8
*data
, size_t data_len
,
47 enum offchannel_send_action_result result
);
49 static const u8 broadcast
[ETH_ALEN
] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
51 /* Use a hardcoded Transaction ID 1 in Peer Discovery frames since there is only
52 * a single transaction in progress at any point in time. */
53 static const u8 TRANSACTION_ID
= 1;
57 * wpas_dpp_qr_code - Parse and add DPP bootstrapping info from a QR Code
58 * @wpa_s: Pointer to wpa_supplicant data
59 * @cmd: DPP URI read from a QR Code
60 * Returns: Identifier of the stored info or -1 on failure
62 int wpas_dpp_qr_code(struct wpa_supplicant
*wpa_s
, const char *cmd
)
64 struct dpp_bootstrap_info
*bi
;
65 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
67 bi
= dpp_add_qr_code(wpa_s
->dpp
, cmd
);
71 if (auth
&& auth
->response_pending
&&
72 dpp_notify_new_qr_code(auth
, bi
) == 1) {
74 "DPP: Sending out pending authentication response");
75 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
77 MAC2STR(auth
->peer_mac_addr
), auth
->curr_freq
,
78 DPP_PA_AUTHENTICATION_RESP
);
79 offchannel_send_action(wpa_s
, auth
->curr_freq
,
80 auth
->peer_mac_addr
, wpa_s
->own_addr
,
82 wpabuf_head(auth
->resp_msg
),
83 wpabuf_len(auth
->resp_msg
),
84 500, wpas_dpp_tx_status
, 0);
91 static void wpas_dpp_auth_resp_retry_timeout(void *eloop_ctx
, void *timeout_ctx
)
93 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
94 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
96 if (!auth
|| !auth
->resp_msg
)
100 "DPP: Retry Authentication Response after timeout");
101 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
103 MAC2STR(auth
->peer_mac_addr
), auth
->curr_freq
,
104 DPP_PA_AUTHENTICATION_RESP
);
105 offchannel_send_action(wpa_s
, auth
->curr_freq
, auth
->peer_mac_addr
,
106 wpa_s
->own_addr
, broadcast
,
107 wpabuf_head(auth
->resp_msg
),
108 wpabuf_len(auth
->resp_msg
),
109 500, wpas_dpp_tx_status
, 0);
113 static void wpas_dpp_auth_resp_retry(struct wpa_supplicant
*wpa_s
)
115 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
116 unsigned int wait_time
, max_tries
;
118 if (!auth
|| !auth
->resp_msg
)
121 if (wpa_s
->dpp_resp_max_tries
)
122 max_tries
= wpa_s
->dpp_resp_max_tries
;
125 auth
->auth_resp_tries
++;
126 if (auth
->auth_resp_tries
>= max_tries
) {
127 wpa_printf(MSG_INFO
, "DPP: No confirm received from initiator - stopping exchange");
128 offchannel_send_action_done(wpa_s
);
129 dpp_auth_deinit(wpa_s
->dpp_auth
);
130 wpa_s
->dpp_auth
= NULL
;
134 if (wpa_s
->dpp_resp_retry_time
)
135 wait_time
= wpa_s
->dpp_resp_retry_time
;
138 wpa_printf(MSG_DEBUG
,
139 "DPP: Schedule retransmission of Authentication Response frame in %u ms",
141 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout
, wpa_s
, NULL
);
142 eloop_register_timeout(wait_time
/ 1000,
143 (wait_time
% 1000) * 1000,
144 wpas_dpp_auth_resp_retry_timeout
, wpa_s
, NULL
);
148 static void wpas_dpp_try_to_connect(struct wpa_supplicant
*wpa_s
)
150 wpa_printf(MSG_DEBUG
, "DPP: Trying to connect to the new network");
151 wpa_s
->disconnected
= 0;
152 wpa_s
->reassociate
= 1;
153 wpa_s
->scan_runs
= 0;
154 wpa_s
->normal_scans
= 0;
155 wpa_supplicant_cancel_sched_scan(wpa_s
);
156 wpa_supplicant_req_scan(wpa_s
, 0, 0);
160 static void wpas_dpp_tx_status(struct wpa_supplicant
*wpa_s
,
161 unsigned int freq
, const u8
*dst
,
162 const u8
*src
, const u8
*bssid
,
163 const u8
*data
, size_t data_len
,
164 enum offchannel_send_action_result result
)
167 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
169 res_txt
= result
== OFFCHANNEL_SEND_ACTION_SUCCESS
? "SUCCESS" :
170 (result
== OFFCHANNEL_SEND_ACTION_NO_ACK
? "no-ACK" :
172 wpa_printf(MSG_DEBUG
, "DPP: TX status: freq=%u dst=" MACSTR
173 " result=%s", freq
, MAC2STR(dst
), res_txt
);
174 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX_STATUS
"dst=" MACSTR
175 " freq=%u result=%s", MAC2STR(dst
), freq
, res_txt
);
177 if (!wpa_s
->dpp_auth
) {
178 wpa_printf(MSG_DEBUG
,
179 "DPP: Ignore TX status since there is no ongoing authentication exchange");
184 if (auth
->connect_on_tx_status
) {
185 wpa_printf(MSG_DEBUG
,
186 "DPP: Try to connect after completed configuration result");
187 wpas_dpp_try_to_connect(wpa_s
);
188 dpp_auth_deinit(wpa_s
->dpp_auth
);
189 wpa_s
->dpp_auth
= NULL
;
192 #endif /* CONFIG_DPP2 */
194 if (wpa_s
->dpp_auth
->remove_on_tx_status
) {
195 wpa_printf(MSG_DEBUG
,
196 "DPP: Terminate authentication exchange due to an earlier error");
197 eloop_cancel_timeout(wpas_dpp_init_timeout
, wpa_s
, NULL
);
198 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
199 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout
, wpa_s
,
201 offchannel_send_action_done(wpa_s
);
202 dpp_auth_deinit(wpa_s
->dpp_auth
);
203 wpa_s
->dpp_auth
= NULL
;
207 if (wpa_s
->dpp_auth_ok_on_ack
)
208 wpas_dpp_auth_success(wpa_s
, 1);
210 if (!is_broadcast_ether_addr(dst
) &&
211 result
!= OFFCHANNEL_SEND_ACTION_SUCCESS
) {
212 wpa_printf(MSG_DEBUG
,
213 "DPP: Unicast DPP Action frame was not ACKed");
214 if (auth
->waiting_auth_resp
) {
215 /* In case of DPP Authentication Request frame, move to
216 * the next channel immediately. */
217 offchannel_send_action_done(wpa_s
);
218 wpas_dpp_auth_init_next(wpa_s
);
221 if (auth
->waiting_auth_conf
) {
222 wpas_dpp_auth_resp_retry(wpa_s
);
227 if (!is_broadcast_ether_addr(dst
) && auth
->waiting_auth_resp
&&
228 result
== OFFCHANNEL_SEND_ACTION_SUCCESS
) {
229 /* Allow timeout handling to stop iteration if no response is
230 * received from a peer that has ACKed a request. */
231 auth
->auth_req_ack
= 1;
234 if (!wpa_s
->dpp_auth_ok_on_ack
&& wpa_s
->dpp_auth
->neg_freq
> 0 &&
235 wpa_s
->dpp_auth
->curr_freq
!= wpa_s
->dpp_auth
->neg_freq
) {
236 wpa_printf(MSG_DEBUG
,
237 "DPP: Move from curr_freq %u MHz to neg_freq %u MHz for response",
238 wpa_s
->dpp_auth
->curr_freq
,
239 wpa_s
->dpp_auth
->neg_freq
);
240 offchannel_send_action_done(wpa_s
);
241 wpas_dpp_listen_start(wpa_s
, wpa_s
->dpp_auth
->neg_freq
);
244 if (wpa_s
->dpp_auth_ok_on_ack
)
245 wpa_s
->dpp_auth_ok_on_ack
= 0;
249 static void wpas_dpp_reply_wait_timeout(void *eloop_ctx
, void *timeout_ctx
)
251 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
252 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
254 struct os_reltime now
, diff
;
255 unsigned int wait_time
, diff_ms
;
257 if (!auth
|| !auth
->waiting_auth_resp
)
260 wait_time
= wpa_s
->dpp_resp_wait_time
?
261 wpa_s
->dpp_resp_wait_time
: 2000;
262 os_get_reltime(&now
);
263 os_reltime_sub(&now
, &wpa_s
->dpp_last_init
, &diff
);
264 diff_ms
= diff
.sec
* 1000 + diff
.usec
/ 1000;
265 wpa_printf(MSG_DEBUG
,
266 "DPP: Reply wait timeout - wait_time=%u diff_ms=%u",
269 if (auth
->auth_req_ack
&& diff_ms
>= wait_time
) {
270 /* Peer ACK'ed Authentication Request frame, but did not reply
271 * with Authentication Response frame within two seconds. */
273 "DPP: No response received from responder - stopping initiation attempt");
274 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_AUTH_INIT_FAILED
);
275 offchannel_send_action_done(wpa_s
);
276 wpas_dpp_listen_stop(wpa_s
);
277 dpp_auth_deinit(auth
);
278 wpa_s
->dpp_auth
= NULL
;
282 if (diff_ms
>= wait_time
) {
283 /* Authentication Request frame was not ACK'ed and no reply
284 * was receiving within two seconds. */
285 wpa_printf(MSG_DEBUG
,
286 "DPP: Continue Initiator channel iteration");
287 offchannel_send_action_done(wpa_s
);
288 wpas_dpp_listen_stop(wpa_s
);
289 wpas_dpp_auth_init_next(wpa_s
);
293 /* Driver did not support 2000 ms long wait_time with TX command, so
294 * schedule listen operation to continue waiting for the response.
296 * DPP listen operations continue until stopped, so simply schedule a
297 * new call to this function at the point when the two second reply
298 * wait has expired. */
299 wait_time
-= diff_ms
;
301 freq
= auth
->curr_freq
;
302 if (auth
->neg_freq
> 0)
303 freq
= auth
->neg_freq
;
304 wpa_printf(MSG_DEBUG
,
305 "DPP: Continue reply wait on channel %u MHz for %u ms",
307 wpa_s
->dpp_in_response_listen
= 1;
308 wpas_dpp_listen_start(wpa_s
, freq
);
310 eloop_register_timeout(wait_time
/ 1000, (wait_time
% 1000) * 1000,
311 wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
315 static void wpas_dpp_set_testing_options(struct wpa_supplicant
*wpa_s
,
316 struct dpp_authentication
*auth
)
318 #ifdef CONFIG_TESTING_OPTIONS
319 if (wpa_s
->dpp_config_obj_override
)
320 auth
->config_obj_override
=
321 os_strdup(wpa_s
->dpp_config_obj_override
);
322 if (wpa_s
->dpp_discovery_override
)
323 auth
->discovery_override
=
324 os_strdup(wpa_s
->dpp_discovery_override
);
325 if (wpa_s
->dpp_groups_override
)
326 auth
->groups_override
=
327 os_strdup(wpa_s
->dpp_groups_override
);
328 auth
->ignore_netaccesskey_mismatch
=
329 wpa_s
->dpp_ignore_netaccesskey_mismatch
;
330 #endif /* CONFIG_TESTING_OPTIONS */
334 static void wpas_dpp_init_timeout(void *eloop_ctx
, void *timeout_ctx
)
336 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
338 if (!wpa_s
->dpp_auth
)
340 wpa_printf(MSG_DEBUG
, "DPP: Retry initiation after timeout");
341 wpas_dpp_auth_init_next(wpa_s
);
345 static int wpas_dpp_auth_init_next(struct wpa_supplicant
*wpa_s
)
347 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
349 unsigned int wait_time
, max_wait_time
, freq
, max_tries
, used
;
350 struct os_reltime now
, diff
;
352 wpa_s
->dpp_in_response_listen
= 0;
356 if (auth
->freq_idx
== 0)
357 os_get_reltime(&wpa_s
->dpp_init_iter_start
);
359 if (auth
->freq_idx
>= auth
->num_freq
) {
360 auth
->num_freq_iters
++;
361 if (wpa_s
->dpp_init_max_tries
)
362 max_tries
= wpa_s
->dpp_init_max_tries
;
365 if (auth
->num_freq_iters
>= max_tries
|| auth
->auth_req_ack
) {
367 "DPP: No response received from responder - stopping initiation attempt");
368 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_AUTH_INIT_FAILED
);
369 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
,
371 offchannel_send_action_done(wpa_s
);
372 dpp_auth_deinit(wpa_s
->dpp_auth
);
373 wpa_s
->dpp_auth
= NULL
;
377 eloop_cancel_timeout(wpas_dpp_init_timeout
, wpa_s
, NULL
);
378 if (wpa_s
->dpp_init_retry_time
)
379 wait_time
= wpa_s
->dpp_init_retry_time
;
382 os_get_reltime(&now
);
383 os_reltime_sub(&now
, &wpa_s
->dpp_init_iter_start
, &diff
);
384 used
= diff
.sec
* 1000 + diff
.usec
/ 1000;
385 if (used
> wait_time
)
389 wpa_printf(MSG_DEBUG
, "DPP: Next init attempt in %u ms",
391 eloop_register_timeout(wait_time
/ 1000,
392 (wait_time
% 1000) * 1000,
393 wpas_dpp_init_timeout
, wpa_s
,
397 freq
= auth
->freq
[auth
->freq_idx
++];
398 auth
->curr_freq
= freq
;
400 if (is_zero_ether_addr(auth
->peer_bi
->mac_addr
))
403 dst
= auth
->peer_bi
->mac_addr
;
404 wpa_s
->dpp_auth_ok_on_ack
= 0;
405 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
406 wait_time
= wpa_s
->max_remain_on_chan
;
407 max_wait_time
= wpa_s
->dpp_resp_wait_time
?
408 wpa_s
->dpp_resp_wait_time
: 2000;
409 if (wait_time
> max_wait_time
)
410 wait_time
= max_wait_time
;
411 wait_time
+= 10; /* give the driver some extra time to complete */
412 eloop_register_timeout(wait_time
/ 1000, (wait_time
% 1000) * 1000,
413 wpas_dpp_reply_wait_timeout
,
416 if (auth
->neg_freq
> 0 && freq
!= auth
->neg_freq
) {
417 wpa_printf(MSG_DEBUG
,
418 "DPP: Initiate on %u MHz and move to neg_freq %u MHz for response",
419 freq
, auth
->neg_freq
);
421 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
422 MAC2STR(dst
), freq
, DPP_PA_AUTHENTICATION_REQ
);
423 auth
->auth_req_ack
= 0;
424 os_get_reltime(&wpa_s
->dpp_last_init
);
425 return offchannel_send_action(wpa_s
, freq
, dst
,
426 wpa_s
->own_addr
, broadcast
,
427 wpabuf_head(auth
->req_msg
),
428 wpabuf_len(auth
->req_msg
),
429 wait_time
, wpas_dpp_tx_status
, 0);
433 int wpas_dpp_auth_init(struct wpa_supplicant
*wpa_s
, const char *cmd
)
436 struct dpp_bootstrap_info
*peer_bi
, *own_bi
= NULL
;
437 struct dpp_authentication
*auth
;
438 u8 allowed_roles
= DPP_CAPAB_CONFIGURATOR
;
439 unsigned int neg_freq
= 0;
442 int tcp_port
= DPP_TCP_PORT
;
443 struct hostapd_ip_addr ipaddr
;
445 #endif /* CONFIG_DPP2 */
447 wpa_s
->dpp_gas_client
= 0;
449 pos
= os_strstr(cmd
, " peer=");
453 peer_bi
= dpp_bootstrap_get_id(wpa_s
->dpp
, atoi(pos
));
456 "DPP: Could not find bootstrapping info for the identified peer");
461 pos
= os_strstr(cmd
, " tcp_port=");
464 tcp_port
= atoi(pos
);
467 addr
= get_param(cmd
, " tcp_addr=");
471 res
= hostapd_parse_ip_addr(addr
, &ipaddr
);
477 #endif /* CONFIG_DPP2 */
479 pos
= os_strstr(cmd
, " own=");
482 own_bi
= dpp_bootstrap_get_id(wpa_s
->dpp
, atoi(pos
));
485 "DPP: Could not find bootstrapping info for the identified local entry");
489 if (peer_bi
->curve
!= own_bi
->curve
) {
491 "DPP: Mismatching curves in bootstrapping info (peer=%s own=%s)",
492 peer_bi
->curve
->name
, own_bi
->curve
->name
);
497 pos
= os_strstr(cmd
, " role=");
500 if (os_strncmp(pos
, "configurator", 12) == 0)
501 allowed_roles
= DPP_CAPAB_CONFIGURATOR
;
502 else if (os_strncmp(pos
, "enrollee", 8) == 0)
503 allowed_roles
= DPP_CAPAB_ENROLLEE
;
504 else if (os_strncmp(pos
, "either", 6) == 0)
505 allowed_roles
= DPP_CAPAB_CONFIGURATOR
|
511 pos
= os_strstr(cmd
, " netrole=");
514 wpa_s
->dpp_netrole_ap
= os_strncmp(pos
, "ap", 2) == 0;
517 pos
= os_strstr(cmd
, " neg_freq=");
519 neg_freq
= atoi(pos
+ 10);
521 if (!tcp
&& wpa_s
->dpp_auth
) {
522 eloop_cancel_timeout(wpas_dpp_init_timeout
, wpa_s
, NULL
);
523 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
524 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout
, wpa_s
,
526 offchannel_send_action_done(wpa_s
);
527 dpp_auth_deinit(wpa_s
->dpp_auth
);
528 wpa_s
->dpp_auth
= NULL
;
531 auth
= dpp_auth_init(wpa_s
, peer_bi
, own_bi
, allowed_roles
, neg_freq
,
532 wpa_s
->hw
.modes
, wpa_s
->hw
.num_modes
);
535 wpas_dpp_set_testing_options(wpa_s
, auth
);
536 if (dpp_set_configurator(wpa_s
->dpp
, wpa_s
, auth
, cmd
) < 0) {
537 dpp_auth_deinit(auth
);
541 auth
->neg_freq
= neg_freq
;
543 if (!is_zero_ether_addr(peer_bi
->mac_addr
))
544 os_memcpy(auth
->peer_mac_addr
, peer_bi
->mac_addr
, ETH_ALEN
);
548 return dpp_tcp_init(wpa_s
->dpp
, auth
, &ipaddr
, tcp_port
);
549 #endif /* CONFIG_DPP2 */
551 wpa_s
->dpp_auth
= auth
;
552 return wpas_dpp_auth_init_next(wpa_s
);
558 struct wpas_dpp_listen_work
{
560 unsigned int duration
;
561 struct wpabuf
*probe_resp_ie
;
565 static void wpas_dpp_listen_work_free(struct wpas_dpp_listen_work
*lwork
)
573 static void wpas_dpp_listen_work_done(struct wpa_supplicant
*wpa_s
)
575 struct wpas_dpp_listen_work
*lwork
;
577 if (!wpa_s
->dpp_listen_work
)
580 lwork
= wpa_s
->dpp_listen_work
->ctx
;
581 wpas_dpp_listen_work_free(lwork
);
582 radio_work_done(wpa_s
->dpp_listen_work
);
583 wpa_s
->dpp_listen_work
= NULL
;
587 static void dpp_start_listen_cb(struct wpa_radio_work
*work
, int deinit
)
589 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
590 struct wpas_dpp_listen_work
*lwork
= work
->ctx
;
594 wpa_s
->dpp_listen_work
= NULL
;
595 wpas_dpp_listen_stop(wpa_s
);
597 wpas_dpp_listen_work_free(lwork
);
601 wpa_s
->dpp_listen_work
= work
;
603 wpa_s
->dpp_pending_listen_freq
= lwork
->freq
;
605 if (wpa_drv_remain_on_channel(wpa_s
, lwork
->freq
,
606 wpa_s
->max_remain_on_chan
) < 0) {
607 wpa_printf(MSG_DEBUG
,
608 "DPP: Failed to request the driver to remain on channel (%u MHz) for listen",
610 wpa_s
->dpp_listen_freq
= 0;
611 wpas_dpp_listen_work_done(wpa_s
);
612 wpa_s
->dpp_pending_listen_freq
= 0;
615 wpa_s
->off_channel_freq
= 0;
616 wpa_s
->roc_waiting_drv_freq
= lwork
->freq
;
620 static int wpas_dpp_listen_start(struct wpa_supplicant
*wpa_s
,
623 struct wpas_dpp_listen_work
*lwork
;
625 if (wpa_s
->dpp_listen_work
) {
626 wpa_printf(MSG_DEBUG
,
627 "DPP: Reject start_listen since dpp_listen_work already exists");
631 if (wpa_s
->dpp_listen_freq
)
632 wpas_dpp_listen_stop(wpa_s
);
633 wpa_s
->dpp_listen_freq
= freq
;
635 lwork
= os_zalloc(sizeof(*lwork
));
640 if (radio_add_work(wpa_s
, freq
, "dpp-listen", 0, dpp_start_listen_cb
,
642 wpas_dpp_listen_work_free(lwork
);
650 int wpas_dpp_listen(struct wpa_supplicant
*wpa_s
, const char *cmd
)
658 if (os_strstr(cmd
, " role=configurator"))
659 wpa_s
->dpp_allowed_roles
= DPP_CAPAB_CONFIGURATOR
;
660 else if (os_strstr(cmd
, " role=enrollee"))
661 wpa_s
->dpp_allowed_roles
= DPP_CAPAB_ENROLLEE
;
663 wpa_s
->dpp_allowed_roles
= DPP_CAPAB_CONFIGURATOR
|
665 wpa_s
->dpp_qr_mutual
= os_strstr(cmd
, " qr=mutual") != NULL
;
666 wpa_s
->dpp_netrole_ap
= os_strstr(cmd
, " netrole=ap") != NULL
;
667 if (wpa_s
->dpp_listen_freq
== (unsigned int) freq
) {
668 wpa_printf(MSG_DEBUG
, "DPP: Already listening on %u MHz",
673 return wpas_dpp_listen_start(wpa_s
, freq
);
677 void wpas_dpp_listen_stop(struct wpa_supplicant
*wpa_s
)
679 wpa_s
->dpp_in_response_listen
= 0;
680 if (!wpa_s
->dpp_listen_freq
)
683 wpa_printf(MSG_DEBUG
, "DPP: Stop listen on %u MHz",
684 wpa_s
->dpp_listen_freq
);
685 wpa_drv_cancel_remain_on_channel(wpa_s
);
686 wpa_s
->dpp_listen_freq
= 0;
687 wpas_dpp_listen_work_done(wpa_s
);
691 void wpas_dpp_cancel_remain_on_channel_cb(struct wpa_supplicant
*wpa_s
,
694 wpas_dpp_listen_work_done(wpa_s
);
696 if (wpa_s
->dpp_auth
&& wpa_s
->dpp_in_response_listen
) {
697 unsigned int new_freq
;
699 /* Continue listen with a new remain-on-channel */
700 if (wpa_s
->dpp_auth
->neg_freq
> 0)
701 new_freq
= wpa_s
->dpp_auth
->neg_freq
;
703 new_freq
= wpa_s
->dpp_auth
->curr_freq
;
704 wpa_printf(MSG_DEBUG
,
705 "DPP: Continue wait on %u MHz for the ongoing DPP provisioning session",
707 wpas_dpp_listen_start(wpa_s
, new_freq
);
711 if (wpa_s
->dpp_listen_freq
) {
712 /* Continue listen with a new remain-on-channel */
713 wpas_dpp_listen_start(wpa_s
, wpa_s
->dpp_listen_freq
);
718 static void wpas_dpp_rx_auth_req(struct wpa_supplicant
*wpa_s
, const u8
*src
,
719 const u8
*hdr
, const u8
*buf
, size_t len
,
722 const u8
*r_bootstrap
, *i_bootstrap
;
723 u16 r_bootstrap_len
, i_bootstrap_len
;
724 struct dpp_bootstrap_info
*own_bi
= NULL
, *peer_bi
= NULL
;
729 wpa_printf(MSG_DEBUG
, "DPP: Authentication Request from " MACSTR
,
732 r_bootstrap
= dpp_get_attr(buf
, len
, DPP_ATTR_R_BOOTSTRAP_KEY_HASH
,
734 if (!r_bootstrap
|| r_bootstrap_len
!= SHA256_MAC_LEN
) {
735 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_FAIL
736 "Missing or invalid required Responder Bootstrapping Key Hash attribute");
739 wpa_hexdump(MSG_MSGDUMP
, "DPP: Responder Bootstrapping Key Hash",
740 r_bootstrap
, r_bootstrap_len
);
742 i_bootstrap
= dpp_get_attr(buf
, len
, DPP_ATTR_I_BOOTSTRAP_KEY_HASH
,
744 if (!i_bootstrap
|| i_bootstrap_len
!= SHA256_MAC_LEN
) {
745 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_FAIL
746 "Missing or invalid required Initiator Bootstrapping Key Hash attribute");
749 wpa_hexdump(MSG_MSGDUMP
, "DPP: Initiator Bootstrapping Key Hash",
750 i_bootstrap
, i_bootstrap_len
);
752 /* Try to find own and peer bootstrapping key matches based on the
753 * received hash values */
754 dpp_bootstrap_find_pair(wpa_s
->dpp
, i_bootstrap
, r_bootstrap
,
757 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_FAIL
758 "No matching own bootstrapping key found - ignore message");
762 if (wpa_s
->dpp_auth
) {
763 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_FAIL
764 "Already in DPP authentication exchange - ignore new one");
768 wpa_s
->dpp_gas_client
= 0;
769 wpa_s
->dpp_auth_ok_on_ack
= 0;
770 wpa_s
->dpp_auth
= dpp_auth_req_rx(wpa_s
, wpa_s
->dpp_allowed_roles
,
771 wpa_s
->dpp_qr_mutual
,
772 peer_bi
, own_bi
, freq
, hdr
, buf
, len
);
773 if (!wpa_s
->dpp_auth
) {
774 wpa_printf(MSG_DEBUG
, "DPP: No response generated");
777 wpas_dpp_set_testing_options(wpa_s
, wpa_s
->dpp_auth
);
778 if (dpp_set_configurator(wpa_s
->dpp
, wpa_s
, wpa_s
->dpp_auth
,
779 wpa_s
->dpp_configurator_params
) < 0) {
780 dpp_auth_deinit(wpa_s
->dpp_auth
);
781 wpa_s
->dpp_auth
= NULL
;
784 os_memcpy(wpa_s
->dpp_auth
->peer_mac_addr
, src
, ETH_ALEN
);
786 if (wpa_s
->dpp_listen_freq
&&
787 wpa_s
->dpp_listen_freq
!= wpa_s
->dpp_auth
->curr_freq
) {
788 wpa_printf(MSG_DEBUG
,
789 "DPP: Stop listen on %u MHz to allow response on the request %u MHz",
790 wpa_s
->dpp_listen_freq
, wpa_s
->dpp_auth
->curr_freq
);
791 wpas_dpp_listen_stop(wpa_s
);
794 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
795 MAC2STR(src
), wpa_s
->dpp_auth
->curr_freq
,
796 DPP_PA_AUTHENTICATION_RESP
);
797 offchannel_send_action(wpa_s
, wpa_s
->dpp_auth
->curr_freq
,
798 src
, wpa_s
->own_addr
, broadcast
,
799 wpabuf_head(wpa_s
->dpp_auth
->resp_msg
),
800 wpabuf_len(wpa_s
->dpp_auth
->resp_msg
),
801 500, wpas_dpp_tx_status
, 0);
805 static void wpas_dpp_start_gas_server(struct wpa_supplicant
*wpa_s
)
807 /* TODO: stop wait and start ROC */
811 static struct wpa_ssid
* wpas_dpp_add_network(struct wpa_supplicant
*wpa_s
,
812 struct dpp_authentication
*auth
)
814 struct wpa_ssid
*ssid
;
817 if (auth
->akm
== DPP_AKM_SAE
) {
819 struct wpa_driver_capa capa
;
822 res
= wpa_drv_get_capa(wpa_s
, &capa
);
824 !(capa
.key_mgmt
& WPA_DRIVER_CAPA_KEY_MGMT_SAE
) &&
825 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SAE
)) {
826 wpa_printf(MSG_DEBUG
,
827 "DPP: SAE not supported by the driver");
830 #else /* CONFIG_SAE */
831 wpa_printf(MSG_DEBUG
, "DPP: SAE not supported in the build");
833 #endif /* CONFIG_SAE */
835 #endif /* CONFIG_DPP2 */
837 ssid
= wpa_config_add_network(wpa_s
->conf
);
840 wpas_notify_network_added(wpa_s
, ssid
);
841 wpa_config_set_network_defaults(ssid
);
844 ssid
->ssid
= os_malloc(auth
->ssid_len
);
847 os_memcpy(ssid
->ssid
, auth
->ssid
, auth
->ssid_len
);
848 ssid
->ssid_len
= auth
->ssid_len
;
850 if (auth
->connector
) {
851 ssid
->key_mgmt
= WPA_KEY_MGMT_DPP
;
852 ssid
->ieee80211w
= MGMT_FRAME_PROTECTION_REQUIRED
;
853 ssid
->dpp_connector
= os_strdup(auth
->connector
);
854 if (!ssid
->dpp_connector
)
858 if (auth
->c_sign_key
) {
859 ssid
->dpp_csign
= os_malloc(wpabuf_len(auth
->c_sign_key
));
860 if (!ssid
->dpp_csign
)
862 os_memcpy(ssid
->dpp_csign
, wpabuf_head(auth
->c_sign_key
),
863 wpabuf_len(auth
->c_sign_key
));
864 ssid
->dpp_csign_len
= wpabuf_len(auth
->c_sign_key
);
867 if (auth
->net_access_key
) {
868 ssid
->dpp_netaccesskey
=
869 os_malloc(wpabuf_len(auth
->net_access_key
));
870 if (!ssid
->dpp_netaccesskey
)
872 os_memcpy(ssid
->dpp_netaccesskey
,
873 wpabuf_head(auth
->net_access_key
),
874 wpabuf_len(auth
->net_access_key
));
875 ssid
->dpp_netaccesskey_len
= wpabuf_len(auth
->net_access_key
);
876 ssid
->dpp_netaccesskey_expiry
= auth
->net_access_key_expiry
;
879 if (!auth
->connector
|| dpp_akm_psk(auth
->akm
) ||
880 dpp_akm_sae(auth
->akm
)) {
881 if (!auth
->connector
)
883 if (dpp_akm_psk(auth
->akm
))
884 ssid
->key_mgmt
|= WPA_KEY_MGMT_PSK
|
885 WPA_KEY_MGMT_PSK_SHA256
| WPA_KEY_MGMT_FT_PSK
;
886 if (dpp_akm_sae(auth
->akm
))
887 ssid
->key_mgmt
|= WPA_KEY_MGMT_SAE
|
889 ssid
->ieee80211w
= MGMT_FRAME_PROTECTION_OPTIONAL
;
890 if (auth
->passphrase
[0]) {
891 if (wpa_config_set_quoted(ssid
, "psk",
892 auth
->passphrase
) < 0)
894 wpa_config_update_psk(ssid
);
895 ssid
->export_keys
= 1;
897 ssid
->psk_set
= auth
->psk_set
;
898 os_memcpy(ssid
->psk
, auth
->psk
, PMK_LEN
);
904 wpas_notify_network_removed(wpa_s
, ssid
);
905 wpa_config_remove_network(wpa_s
->conf
, ssid
->id
);
910 static int wpas_dpp_process_config(struct wpa_supplicant
*wpa_s
,
911 struct dpp_authentication
*auth
)
913 struct wpa_ssid
*ssid
;
915 if (wpa_s
->conf
->dpp_config_processing
< 1)
918 ssid
= wpas_dpp_add_network(wpa_s
, auth
);
922 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_NETWORK_ID
"%d", ssid
->id
);
923 if (wpa_s
->conf
->dpp_config_processing
== 2)
926 #ifndef CONFIG_NO_CONFIG_WRITE
927 if (wpa_s
->conf
->update_config
&&
928 wpa_config_write(wpa_s
->confname
, wpa_s
->conf
))
929 wpa_printf(MSG_DEBUG
, "DPP: Failed to update configuration");
930 #endif /* CONFIG_NO_CONFIG_WRITE */
932 if (wpa_s
->conf
->dpp_config_processing
< 2)
936 if (auth
->peer_version
>= 2) {
937 wpa_printf(MSG_DEBUG
,
938 "DPP: Postpone connection attempt to wait for completion of DPP Configuration Result");
939 auth
->connect_on_tx_status
= 1;
942 #endif /* CONFIG_DPP2 */
944 wpas_dpp_try_to_connect(wpa_s
);
949 static int wpas_dpp_handle_config_obj(struct wpa_supplicant
*wpa_s
,
950 struct dpp_authentication
*auth
)
952 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_RECEIVED
);
954 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONFOBJ_SSID
"%s",
955 wpa_ssid_txt(auth
->ssid
, auth
->ssid_len
));
956 if (auth
->connector
) {
957 /* TODO: Save the Connector and consider using a command
958 * to fetch the value instead of sending an event with
959 * it. The Connector could end up being larger than what
960 * most clients are ready to receive as an event
962 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONNECTOR
"%s",
965 if (auth
->c_sign_key
) {
969 hexlen
= 2 * wpabuf_len(auth
->c_sign_key
) + 1;
970 hex
= os_malloc(hexlen
);
972 wpa_snprintf_hex(hex
, hexlen
,
973 wpabuf_head(auth
->c_sign_key
),
974 wpabuf_len(auth
->c_sign_key
));
975 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_C_SIGN_KEY
"%s",
980 if (auth
->net_access_key
) {
984 hexlen
= 2 * wpabuf_len(auth
->net_access_key
) + 1;
985 hex
= os_malloc(hexlen
);
987 wpa_snprintf_hex(hex
, hexlen
,
988 wpabuf_head(auth
->net_access_key
),
989 wpabuf_len(auth
->net_access_key
));
990 if (auth
->net_access_key_expiry
)
991 wpa_msg(wpa_s
, MSG_INFO
,
992 DPP_EVENT_NET_ACCESS_KEY
"%s %lu", hex
,
994 auth
->net_access_key_expiry
);
996 wpa_msg(wpa_s
, MSG_INFO
,
997 DPP_EVENT_NET_ACCESS_KEY
"%s", hex
);
1002 return wpas_dpp_process_config(wpa_s
, auth
);
1006 static void wpas_dpp_gas_resp_cb(void *ctx
, const u8
*addr
, u8 dialog_token
,
1007 enum gas_query_result result
,
1008 const struct wpabuf
*adv_proto
,
1009 const struct wpabuf
*resp
, u16 status_code
)
1011 struct wpa_supplicant
*wpa_s
= ctx
;
1013 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1015 enum dpp_status_error status
= DPP_STATUS_CONFIG_REJECTED
;
1017 wpa_s
->dpp_gas_dialog_token
= -1;
1019 if (!auth
|| !auth
->auth_success
) {
1020 wpa_printf(MSG_DEBUG
, "DPP: No matching exchange in progress");
1023 if (result
!= GAS_QUERY_SUCCESS
||
1024 !resp
|| status_code
!= WLAN_STATUS_SUCCESS
) {
1025 wpa_printf(MSG_DEBUG
, "DPP: GAS query did not succeed");
1029 wpa_hexdump_buf(MSG_DEBUG
, "DPP: Configuration Response adv_proto",
1031 wpa_hexdump_buf(MSG_DEBUG
, "DPP: Configuration Response (GAS response)",
1034 if (wpabuf_len(adv_proto
) != 10 ||
1035 !(pos
= wpabuf_head(adv_proto
)) ||
1036 pos
[0] != WLAN_EID_ADV_PROTO
||
1038 pos
[3] != WLAN_EID_VENDOR_SPECIFIC
||
1040 WPA_GET_BE24(&pos
[5]) != OUI_WFA
||
1043 wpa_printf(MSG_DEBUG
,
1044 "DPP: Not a DPP Advertisement Protocol ID");
1048 if (dpp_conf_resp_rx(auth
, resp
) < 0) {
1049 wpa_printf(MSG_DEBUG
, "DPP: Configuration attempt failed");
1053 res
= wpas_dpp_handle_config_obj(wpa_s
, auth
);
1057 status
= DPP_STATUS_OK
;
1058 #ifdef CONFIG_TESTING_OPTIONS
1059 if (dpp_test
== DPP_TEST_REJECT_CONFIG
) {
1060 wpa_printf(MSG_INFO
, "DPP: TESTING - Reject Config Object");
1061 status
= DPP_STATUS_CONFIG_REJECTED
;
1063 #endif /* CONFIG_TESTING_OPTIONS */
1065 if (status
!= DPP_STATUS_OK
)
1066 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_FAILED
);
1068 if (auth
->peer_version
>= 2 &&
1069 auth
->conf_resp_status
== DPP_STATUS_OK
) {
1072 wpa_printf(MSG_DEBUG
, "DPP: Send DPP Configuration Result");
1073 msg
= dpp_build_conf_result(auth
, status
);
1077 wpa_msg(wpa_s
, MSG_INFO
,
1078 DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
1079 MAC2STR(addr
), auth
->curr_freq
,
1080 DPP_PA_CONFIGURATION_RESULT
);
1081 offchannel_send_action(wpa_s
, auth
->curr_freq
,
1082 addr
, wpa_s
->own_addr
, broadcast
,
1085 500, wpas_dpp_tx_status
, 0);
1088 /* This exchange will be terminated in the TX status handler */
1092 #endif /* CONFIG_DPP2 */
1093 dpp_auth_deinit(wpa_s
->dpp_auth
);
1094 wpa_s
->dpp_auth
= NULL
;
1098 static void wpas_dpp_start_gas_client(struct wpa_supplicant
*wpa_s
)
1100 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1105 wpa_s
->dpp_gas_client
= 1;
1106 os_snprintf(json
, sizeof(json
),
1107 "{\"name\":\"Test\","
1108 "\"wi-fi_tech\":\"infra\","
1109 "\"netRole\":\"%s\"}",
1110 wpa_s
->dpp_netrole_ap
? "ap" : "sta");
1111 #ifdef CONFIG_TESTING_OPTIONS
1112 if (dpp_test
== DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ
) {
1113 wpa_printf(MSG_INFO
, "DPP: TESTING - invalid Config Attr");
1114 json
[29] = 'k'; /* replace "infra" with "knfra" */
1116 #endif /* CONFIG_TESTING_OPTIONS */
1117 wpa_printf(MSG_DEBUG
, "DPP: GAS Config Attributes: %s", json
);
1119 offchannel_send_action_done(wpa_s
);
1120 wpas_dpp_listen_stop(wpa_s
);
1122 buf
= dpp_build_conf_req(auth
, json
);
1124 wpa_printf(MSG_DEBUG
,
1125 "DPP: No configuration request data available");
1129 wpa_printf(MSG_DEBUG
, "DPP: GAS request to " MACSTR
" (freq %u MHz)",
1130 MAC2STR(auth
->peer_mac_addr
), auth
->curr_freq
);
1132 res
= gas_query_req(wpa_s
->gas
, auth
->peer_mac_addr
, auth
->curr_freq
,
1133 1, buf
, wpas_dpp_gas_resp_cb
, wpa_s
);
1135 wpa_msg(wpa_s
, MSG_DEBUG
, "GAS: Failed to send Query Request");
1138 wpa_printf(MSG_DEBUG
,
1139 "DPP: GAS query started with dialog token %u", res
);
1140 wpa_s
->dpp_gas_dialog_token
= res
;
1145 static void wpas_dpp_auth_success(struct wpa_supplicant
*wpa_s
, int initiator
)
1147 wpa_printf(MSG_DEBUG
, "DPP: Authentication succeeded");
1148 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_AUTH_SUCCESS
"init=%d", initiator
);
1149 #ifdef CONFIG_TESTING_OPTIONS
1150 if (dpp_test
== DPP_TEST_STOP_AT_AUTH_CONF
) {
1151 wpa_printf(MSG_INFO
,
1152 "DPP: TESTING - stop at Authentication Confirm");
1153 if (wpa_s
->dpp_auth
->configurator
) {
1154 /* Prevent GAS response */
1155 wpa_s
->dpp_auth
->auth_success
= 0;
1159 #endif /* CONFIG_TESTING_OPTIONS */
1161 if (wpa_s
->dpp_auth
->configurator
)
1162 wpas_dpp_start_gas_server(wpa_s
);
1164 wpas_dpp_start_gas_client(wpa_s
);
1168 static void wpas_dpp_rx_auth_resp(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1169 const u8
*hdr
, const u8
*buf
, size_t len
,
1172 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1175 wpa_printf(MSG_DEBUG
, "DPP: Authentication Response from " MACSTR
1176 " (freq %u MHz)", MAC2STR(src
), freq
);
1179 wpa_printf(MSG_DEBUG
,
1180 "DPP: No DPP Authentication in progress - drop");
1184 if (!is_zero_ether_addr(auth
->peer_mac_addr
) &&
1185 os_memcmp(src
, auth
->peer_mac_addr
, ETH_ALEN
) != 0) {
1186 wpa_printf(MSG_DEBUG
, "DPP: MAC address mismatch (expected "
1187 MACSTR
") - drop", MAC2STR(auth
->peer_mac_addr
));
1191 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
1193 if (auth
->curr_freq
!= freq
&& auth
->neg_freq
== freq
) {
1194 wpa_printf(MSG_DEBUG
,
1195 "DPP: Responder accepted request for different negotiation channel");
1196 auth
->curr_freq
= freq
;
1199 eloop_cancel_timeout(wpas_dpp_init_timeout
, wpa_s
, NULL
);
1200 msg
= dpp_auth_resp_rx(auth
, hdr
, buf
, len
);
1202 if (auth
->auth_resp_status
== DPP_STATUS_RESPONSE_PENDING
) {
1203 wpa_printf(MSG_DEBUG
,
1204 "DPP: Start wait for full response");
1205 offchannel_send_action_done(wpa_s
);
1206 wpas_dpp_listen_start(wpa_s
, auth
->curr_freq
);
1209 wpa_printf(MSG_DEBUG
, "DPP: No confirm generated");
1212 os_memcpy(auth
->peer_mac_addr
, src
, ETH_ALEN
);
1214 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
1215 MAC2STR(src
), auth
->curr_freq
, DPP_PA_AUTHENTICATION_CONF
);
1216 offchannel_send_action(wpa_s
, auth
->curr_freq
,
1217 src
, wpa_s
->own_addr
, broadcast
,
1218 wpabuf_head(msg
), wpabuf_len(msg
),
1219 500, wpas_dpp_tx_status
, 0);
1221 wpa_s
->dpp_auth_ok_on_ack
= 1;
1225 static void wpas_dpp_rx_auth_conf(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1226 const u8
*hdr
, const u8
*buf
, size_t len
)
1228 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1230 wpa_printf(MSG_DEBUG
, "DPP: Authentication Confirmation from " MACSTR
,
1234 wpa_printf(MSG_DEBUG
,
1235 "DPP: No DPP Authentication in progress - drop");
1239 if (os_memcmp(src
, auth
->peer_mac_addr
, ETH_ALEN
) != 0) {
1240 wpa_printf(MSG_DEBUG
, "DPP: MAC address mismatch (expected "
1241 MACSTR
") - drop", MAC2STR(auth
->peer_mac_addr
));
1245 if (dpp_auth_conf_rx(auth
, hdr
, buf
, len
) < 0) {
1246 wpa_printf(MSG_DEBUG
, "DPP: Authentication failed");
1250 wpas_dpp_auth_success(wpa_s
, 0);
1256 static void wpas_dpp_config_result_wait_timeout(void *eloop_ctx
,
1259 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1260 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1262 if (!auth
|| !auth
->waiting_conf_result
)
1265 wpa_printf(MSG_DEBUG
,
1266 "DPP: Timeout while waiting for Configuration Result");
1267 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_FAILED
);
1268 dpp_auth_deinit(auth
);
1269 wpa_s
->dpp_auth
= NULL
;
1273 static void wpas_dpp_rx_conf_result(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1274 const u8
*hdr
, const u8
*buf
, size_t len
)
1276 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1277 enum dpp_status_error status
;
1279 wpa_printf(MSG_DEBUG
, "DPP: Configuration Result from " MACSTR
,
1282 if (!auth
|| !auth
->waiting_conf_result
) {
1283 wpa_printf(MSG_DEBUG
,
1284 "DPP: No DPP Configuration waiting for result - drop");
1288 if (os_memcmp(src
, auth
->peer_mac_addr
, ETH_ALEN
) != 0) {
1289 wpa_printf(MSG_DEBUG
, "DPP: MAC address mismatch (expected "
1290 MACSTR
") - drop", MAC2STR(auth
->peer_mac_addr
));
1294 status
= dpp_conf_result_rx(auth
, hdr
, buf
, len
);
1296 offchannel_send_action_done(wpa_s
);
1297 wpas_dpp_listen_stop(wpa_s
);
1298 if (status
== DPP_STATUS_OK
)
1299 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_SENT
);
1301 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_FAILED
);
1302 dpp_auth_deinit(auth
);
1303 wpa_s
->dpp_auth
= NULL
;
1304 eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout
, wpa_s
, NULL
);
1308 static int wpas_dpp_process_conf_obj(void *ctx
,
1309 struct dpp_authentication
*auth
)
1311 struct wpa_supplicant
*wpa_s
= ctx
;
1313 return wpas_dpp_handle_config_obj(wpa_s
, auth
);
1316 #endif /* CONFIG_DPP2 */
1319 static void wpas_dpp_rx_peer_disc_resp(struct wpa_supplicant
*wpa_s
,
1321 const u8
*buf
, size_t len
)
1323 struct wpa_ssid
*ssid
;
1324 const u8
*connector
, *trans_id
, *status
;
1325 u16 connector_len
, trans_id_len
, status_len
;
1326 struct dpp_introduction intro
;
1327 struct rsn_pmksa_cache_entry
*entry
;
1329 struct os_reltime rnow
;
1331 unsigned int seconds
;
1332 enum dpp_status_error res
;
1334 wpa_printf(MSG_DEBUG
, "DPP: Peer Discovery Response from " MACSTR
,
1336 if (is_zero_ether_addr(wpa_s
->dpp_intro_bssid
) ||
1337 os_memcmp(src
, wpa_s
->dpp_intro_bssid
, ETH_ALEN
) != 0) {
1338 wpa_printf(MSG_DEBUG
, "DPP: Not waiting for response from "
1339 MACSTR
" - drop", MAC2STR(src
));
1342 offchannel_send_action_done(wpa_s
);
1344 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1345 if (ssid
== wpa_s
->dpp_intro_network
)
1348 if (!ssid
|| !ssid
->dpp_connector
|| !ssid
->dpp_netaccesskey
||
1350 wpa_printf(MSG_DEBUG
,
1351 "DPP: Profile not found for network introduction");
1355 trans_id
= dpp_get_attr(buf
, len
, DPP_ATTR_TRANSACTION_ID
,
1357 if (!trans_id
|| trans_id_len
!= 1) {
1358 wpa_printf(MSG_DEBUG
,
1359 "DPP: Peer did not include Transaction ID");
1360 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1361 " fail=missing_transaction_id", MAC2STR(src
));
1364 if (trans_id
[0] != TRANSACTION_ID
) {
1365 wpa_printf(MSG_DEBUG
,
1366 "DPP: Ignore frame with unexpected Transaction ID %u",
1368 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1369 " fail=transaction_id_mismatch", MAC2STR(src
));
1373 status
= dpp_get_attr(buf
, len
, DPP_ATTR_STATUS
, &status_len
);
1374 if (!status
|| status_len
!= 1) {
1375 wpa_printf(MSG_DEBUG
, "DPP: Peer did not include Status");
1376 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1377 " fail=missing_status", MAC2STR(src
));
1380 if (status
[0] != DPP_STATUS_OK
) {
1381 wpa_printf(MSG_DEBUG
,
1382 "DPP: Peer rejected network introduction: Status %u",
1384 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1385 " status=%u", MAC2STR(src
), status
[0]);
1389 connector
= dpp_get_attr(buf
, len
, DPP_ATTR_CONNECTOR
, &connector_len
);
1391 wpa_printf(MSG_DEBUG
,
1392 "DPP: Peer did not include its Connector");
1393 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1394 " fail=missing_connector", MAC2STR(src
));
1398 res
= dpp_peer_intro(&intro
, ssid
->dpp_connector
,
1399 ssid
->dpp_netaccesskey
,
1400 ssid
->dpp_netaccesskey_len
,
1402 ssid
->dpp_csign_len
,
1403 connector
, connector_len
, &expiry
);
1404 if (res
!= DPP_STATUS_OK
) {
1405 wpa_printf(MSG_INFO
,
1406 "DPP: Network Introduction protocol resulted in failure");
1407 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1408 " fail=peer_connector_validation_failed", MAC2STR(src
));
1412 entry
= os_zalloc(sizeof(*entry
));
1415 os_memcpy(entry
->aa
, src
, ETH_ALEN
);
1416 os_memcpy(entry
->pmkid
, intro
.pmkid
, PMKID_LEN
);
1417 os_memcpy(entry
->pmk
, intro
.pmk
, intro
.pmk_len
);
1418 entry
->pmk_len
= intro
.pmk_len
;
1419 entry
->akmp
= WPA_KEY_MGMT_DPP
;
1422 seconds
= expiry
- now
.sec
;
1424 seconds
= 86400 * 7;
1426 os_get_reltime(&rnow
);
1427 entry
->expiration
= rnow
.sec
+ seconds
;
1428 entry
->reauth_time
= rnow
.sec
+ seconds
;
1429 entry
->network_ctx
= ssid
;
1430 wpa_sm_pmksa_cache_add_entry(wpa_s
->wpa
, entry
);
1432 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_INTRO
"peer=" MACSTR
1433 " status=%u", MAC2STR(src
), status
[0]);
1435 wpa_printf(MSG_DEBUG
,
1436 "DPP: Try connection again after successful network introduction");
1437 if (wpa_supplicant_fast_associate(wpa_s
) != 1) {
1438 wpa_supplicant_cancel_sched_scan(wpa_s
);
1439 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1442 os_memset(&intro
, 0, sizeof(intro
));
1446 static int wpas_dpp_allow_ir(struct wpa_supplicant
*wpa_s
, unsigned int freq
)
1450 if (!wpa_s
->hw
.modes
)
1453 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
1454 struct hostapd_hw_modes
*mode
= &wpa_s
->hw
.modes
[i
];
1456 for (j
= 0; j
< mode
->num_channels
; j
++) {
1457 struct hostapd_channel_data
*chan
= &mode
->channels
[j
];
1459 if (chan
->freq
!= (int) freq
)
1462 if (chan
->flag
& (HOSTAPD_CHAN_DISABLED
|
1463 HOSTAPD_CHAN_NO_IR
|
1464 HOSTAPD_CHAN_RADAR
))
1471 wpa_printf(MSG_DEBUG
,
1472 "DPP: Frequency %u MHz not supported or does not allow PKEX initiation in the current channel list",
1479 static int wpas_dpp_pkex_next_channel(struct wpa_supplicant
*wpa_s
,
1480 struct dpp_pkex
*pkex
)
1482 if (pkex
->freq
== 2437)
1484 else if (pkex
->freq
== 5745)
1486 else if (pkex
->freq
== 5220)
1489 return -1; /* no more channels to try */
1491 if (wpas_dpp_allow_ir(wpa_s
, pkex
->freq
) == 1) {
1492 wpa_printf(MSG_DEBUG
, "DPP: Try to initiate on %u MHz",
1497 /* Could not use this channel - try the next one */
1498 return wpas_dpp_pkex_next_channel(wpa_s
, pkex
);
1502 static void wpas_dpp_pkex_retry_timeout(void *eloop_ctx
, void *timeout_ctx
)
1504 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1505 struct dpp_pkex
*pkex
= wpa_s
->dpp_pkex
;
1507 if (!pkex
|| !pkex
->exchange_req
)
1509 if (pkex
->exch_req_tries
>= 5) {
1510 if (wpas_dpp_pkex_next_channel(wpa_s
, pkex
) < 0) {
1511 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_FAIL
1512 "No response from PKEX peer");
1513 dpp_pkex_free(pkex
);
1514 wpa_s
->dpp_pkex
= NULL
;
1517 pkex
->exch_req_tries
= 0;
1520 pkex
->exch_req_tries
++;
1521 wpa_printf(MSG_DEBUG
, "DPP: Retransmit PKEX Exchange Request (try %u)",
1522 pkex
->exch_req_tries
);
1523 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
1524 MAC2STR(broadcast
), pkex
->freq
, DPP_PA_PKEX_EXCHANGE_REQ
);
1525 offchannel_send_action(wpa_s
, pkex
->freq
, broadcast
,
1526 wpa_s
->own_addr
, broadcast
,
1527 wpabuf_head(pkex
->exchange_req
),
1528 wpabuf_len(pkex
->exchange_req
),
1529 pkex
->exch_req_wait_time
,
1530 wpas_dpp_tx_pkex_status
, 0);
1535 wpas_dpp_tx_pkex_status(struct wpa_supplicant
*wpa_s
,
1536 unsigned int freq
, const u8
*dst
,
1537 const u8
*src
, const u8
*bssid
,
1538 const u8
*data
, size_t data_len
,
1539 enum offchannel_send_action_result result
)
1541 const char *res_txt
;
1542 struct dpp_pkex
*pkex
= wpa_s
->dpp_pkex
;
1544 res_txt
= result
== OFFCHANNEL_SEND_ACTION_SUCCESS
? "SUCCESS" :
1545 (result
== OFFCHANNEL_SEND_ACTION_NO_ACK
? "no-ACK" :
1547 wpa_printf(MSG_DEBUG
, "DPP: TX status: freq=%u dst=" MACSTR
1548 " result=%s (PKEX)",
1549 freq
, MAC2STR(dst
), res_txt
);
1550 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX_STATUS
"dst=" MACSTR
1551 " freq=%u result=%s", MAC2STR(dst
), freq
, res_txt
);
1554 wpa_printf(MSG_DEBUG
,
1555 "DPP: Ignore TX status since there is no ongoing PKEX exchange");
1560 wpa_printf(MSG_DEBUG
,
1561 "DPP: Terminate PKEX exchange due to an earlier error");
1562 if (pkex
->t
> pkex
->own_bi
->pkex_t
)
1563 pkex
->own_bi
->pkex_t
= pkex
->t
;
1564 dpp_pkex_free(pkex
);
1565 wpa_s
->dpp_pkex
= NULL
;
1569 if (pkex
->exch_req_wait_time
&& pkex
->exchange_req
) {
1570 /* Wait for PKEX Exchange Response frame and retry request if
1571 * no response is seen. */
1572 eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout
, wpa_s
, NULL
);
1573 eloop_register_timeout(pkex
->exch_req_wait_time
/ 1000,
1574 (pkex
->exch_req_wait_time
% 1000) * 1000,
1575 wpas_dpp_pkex_retry_timeout
, wpa_s
,
1582 wpas_dpp_rx_pkex_exchange_req(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1583 const u8
*buf
, size_t len
, unsigned int freq
)
1586 unsigned int wait_time
;
1588 wpa_printf(MSG_DEBUG
, "DPP: PKEX Exchange Request from " MACSTR
,
1591 /* TODO: Support multiple PKEX codes by iterating over all the enabled
1594 if (!wpa_s
->dpp_pkex_code
|| !wpa_s
->dpp_pkex_bi
) {
1595 wpa_printf(MSG_DEBUG
,
1596 "DPP: No PKEX code configured - ignore request");
1600 if (wpa_s
->dpp_pkex
) {
1601 /* TODO: Support parallel operations */
1602 wpa_printf(MSG_DEBUG
,
1603 "DPP: Already in PKEX session - ignore new request");
1607 wpa_s
->dpp_pkex
= dpp_pkex_rx_exchange_req(wpa_s
, wpa_s
->dpp_pkex_bi
,
1608 wpa_s
->own_addr
, src
,
1609 wpa_s
->dpp_pkex_identifier
,
1610 wpa_s
->dpp_pkex_code
,
1612 if (!wpa_s
->dpp_pkex
) {
1613 wpa_printf(MSG_DEBUG
,
1614 "DPP: Failed to process the request - ignore it");
1618 msg
= wpa_s
->dpp_pkex
->exchange_resp
;
1619 wait_time
= wpa_s
->max_remain_on_chan
;
1620 if (wait_time
> 2000)
1622 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
1623 MAC2STR(src
), freq
, DPP_PA_PKEX_EXCHANGE_RESP
);
1624 offchannel_send_action(wpa_s
, freq
, src
, wpa_s
->own_addr
,
1626 wpabuf_head(msg
), wpabuf_len(msg
),
1627 wait_time
, wpas_dpp_tx_pkex_status
, 0);
1632 wpas_dpp_rx_pkex_exchange_resp(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1633 const u8
*buf
, size_t len
, unsigned int freq
)
1636 unsigned int wait_time
;
1638 wpa_printf(MSG_DEBUG
, "DPP: PKEX Exchange Response from " MACSTR
,
1641 /* TODO: Support multiple PKEX codes by iterating over all the enabled
1644 if (!wpa_s
->dpp_pkex
|| !wpa_s
->dpp_pkex
->initiator
||
1645 wpa_s
->dpp_pkex
->exchange_done
) {
1646 wpa_printf(MSG_DEBUG
, "DPP: No matching PKEX session");
1650 eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout
, wpa_s
, NULL
);
1651 wpa_s
->dpp_pkex
->exch_req_wait_time
= 0;
1653 msg
= dpp_pkex_rx_exchange_resp(wpa_s
->dpp_pkex
, src
, buf
, len
);
1655 wpa_printf(MSG_DEBUG
, "DPP: Failed to process the response");
1659 wpa_printf(MSG_DEBUG
, "DPP: Send PKEX Commit-Reveal Request to " MACSTR
,
1662 wait_time
= wpa_s
->max_remain_on_chan
;
1663 if (wait_time
> 2000)
1665 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
1666 MAC2STR(src
), freq
, DPP_PA_PKEX_COMMIT_REVEAL_REQ
);
1667 offchannel_send_action(wpa_s
, freq
, src
, wpa_s
->own_addr
,
1669 wpabuf_head(msg
), wpabuf_len(msg
),
1670 wait_time
, wpas_dpp_tx_pkex_status
, 0);
1675 static struct dpp_bootstrap_info
*
1676 wpas_dpp_pkex_finish(struct wpa_supplicant
*wpa_s
, const u8
*peer
,
1679 struct dpp_bootstrap_info
*bi
;
1681 bi
= dpp_pkex_finish(wpa_s
->dpp
, wpa_s
->dpp_pkex
, peer
, freq
);
1684 wpa_s
->dpp_pkex
= NULL
;
1690 wpas_dpp_rx_pkex_commit_reveal_req(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1691 const u8
*hdr
, const u8
*buf
, size_t len
,
1695 unsigned int wait_time
;
1696 struct dpp_pkex
*pkex
= wpa_s
->dpp_pkex
;
1698 wpa_printf(MSG_DEBUG
, "DPP: PKEX Commit-Reveal Request from " MACSTR
,
1701 if (!pkex
|| pkex
->initiator
|| !pkex
->exchange_done
) {
1702 wpa_printf(MSG_DEBUG
, "DPP: No matching PKEX session");
1706 msg
= dpp_pkex_rx_commit_reveal_req(pkex
, hdr
, buf
, len
);
1708 wpa_printf(MSG_DEBUG
, "DPP: Failed to process the request");
1710 wpa_printf(MSG_DEBUG
, "DPP: Terminate PKEX exchange");
1711 if (pkex
->t
> pkex
->own_bi
->pkex_t
)
1712 pkex
->own_bi
->pkex_t
= pkex
->t
;
1713 dpp_pkex_free(wpa_s
->dpp_pkex
);
1714 wpa_s
->dpp_pkex
= NULL
;
1719 wpa_printf(MSG_DEBUG
, "DPP: Send PKEX Commit-Reveal Response to "
1720 MACSTR
, MAC2STR(src
));
1722 wait_time
= wpa_s
->max_remain_on_chan
;
1723 if (wait_time
> 2000)
1725 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
1726 MAC2STR(src
), freq
, DPP_PA_PKEX_COMMIT_REVEAL_RESP
);
1727 offchannel_send_action(wpa_s
, freq
, src
, wpa_s
->own_addr
,
1729 wpabuf_head(msg
), wpabuf_len(msg
),
1730 wait_time
, wpas_dpp_tx_pkex_status
, 0);
1733 wpas_dpp_pkex_finish(wpa_s
, src
, freq
);
1738 wpas_dpp_rx_pkex_commit_reveal_resp(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1739 const u8
*hdr
, const u8
*buf
, size_t len
,
1743 struct dpp_bootstrap_info
*bi
;
1744 struct dpp_pkex
*pkex
= wpa_s
->dpp_pkex
;
1747 wpa_printf(MSG_DEBUG
, "DPP: PKEX Commit-Reveal Response from " MACSTR
,
1750 if (!pkex
|| !pkex
->initiator
|| !pkex
->exchange_done
) {
1751 wpa_printf(MSG_DEBUG
, "DPP: No matching PKEX session");
1755 res
= dpp_pkex_rx_commit_reveal_resp(pkex
, hdr
, buf
, len
);
1757 wpa_printf(MSG_DEBUG
, "DPP: Failed to process the response");
1761 bi
= wpas_dpp_pkex_finish(wpa_s
, src
, freq
);
1765 os_snprintf(cmd
, sizeof(cmd
), " peer=%u %s",
1767 wpa_s
->dpp_pkex_auth_cmd
? wpa_s
->dpp_pkex_auth_cmd
: "");
1768 wpa_printf(MSG_DEBUG
,
1769 "DPP: Start authentication after PKEX with parameters: %s",
1771 if (wpas_dpp_auth_init(wpa_s
, cmd
) < 0) {
1772 wpa_printf(MSG_DEBUG
,
1773 "DPP: Authentication initialization failed");
1779 void wpas_dpp_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*src
,
1780 const u8
*buf
, size_t len
, unsigned int freq
)
1783 enum dpp_public_action_frame_type type
;
1785 unsigned int pkex_t
;
1787 if (len
< DPP_HDR_LEN
)
1789 if (WPA_GET_BE24(buf
) != OUI_WFA
|| buf
[3] != DPP_OUI_TYPE
)
1794 crypto_suite
= *buf
++;
1798 wpa_printf(MSG_DEBUG
,
1799 "DPP: Received DPP Public Action frame crypto suite %u type %d from "
1801 crypto_suite
, type
, MAC2STR(src
), freq
);
1802 if (crypto_suite
!= 1) {
1803 wpa_printf(MSG_DEBUG
, "DPP: Unsupported crypto suite %u",
1805 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_RX
"src=" MACSTR
1806 " freq=%u type=%d ignore=unsupported-crypto-suite",
1807 MAC2STR(src
), freq
, type
);
1810 wpa_hexdump(MSG_MSGDUMP
, "DPP: Received message attributes", buf
, len
);
1811 if (dpp_check_attrs(buf
, len
) < 0) {
1812 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_RX
"src=" MACSTR
1813 " freq=%u type=%d ignore=invalid-attributes",
1814 MAC2STR(src
), freq
, type
);
1817 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_RX
"src=" MACSTR
" freq=%u type=%d",
1818 MAC2STR(src
), freq
, type
);
1821 case DPP_PA_AUTHENTICATION_REQ
:
1822 wpas_dpp_rx_auth_req(wpa_s
, src
, hdr
, buf
, len
, freq
);
1824 case DPP_PA_AUTHENTICATION_RESP
:
1825 wpas_dpp_rx_auth_resp(wpa_s
, src
, hdr
, buf
, len
, freq
);
1827 case DPP_PA_AUTHENTICATION_CONF
:
1828 wpas_dpp_rx_auth_conf(wpa_s
, src
, hdr
, buf
, len
);
1830 case DPP_PA_PEER_DISCOVERY_RESP
:
1831 wpas_dpp_rx_peer_disc_resp(wpa_s
, src
, buf
, len
);
1833 case DPP_PA_PKEX_EXCHANGE_REQ
:
1834 wpas_dpp_rx_pkex_exchange_req(wpa_s
, src
, buf
, len
, freq
);
1836 case DPP_PA_PKEX_EXCHANGE_RESP
:
1837 wpas_dpp_rx_pkex_exchange_resp(wpa_s
, src
, buf
, len
, freq
);
1839 case DPP_PA_PKEX_COMMIT_REVEAL_REQ
:
1840 wpas_dpp_rx_pkex_commit_reveal_req(wpa_s
, src
, hdr
, buf
, len
,
1843 case DPP_PA_PKEX_COMMIT_REVEAL_RESP
:
1844 wpas_dpp_rx_pkex_commit_reveal_resp(wpa_s
, src
, hdr
, buf
, len
,
1848 case DPP_PA_CONFIGURATION_RESULT
:
1849 wpas_dpp_rx_conf_result(wpa_s
, src
, hdr
, buf
, len
);
1851 #endif /* CONFIG_DPP2 */
1853 wpa_printf(MSG_DEBUG
,
1854 "DPP: Ignored unsupported frame subtype %d", type
);
1858 if (wpa_s
->dpp_pkex
)
1859 pkex_t
= wpa_s
->dpp_pkex
->t
;
1860 else if (wpa_s
->dpp_pkex_bi
)
1861 pkex_t
= wpa_s
->dpp_pkex_bi
->pkex_t
;
1864 if (pkex_t
>= PKEX_COUNTER_T_LIMIT
) {
1865 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_PKEX_T_LIMIT
"id=0");
1866 wpas_dpp_pkex_remove(wpa_s
, "*");
1871 static struct wpabuf
*
1872 wpas_dpp_gas_req_handler(void *ctx
, const u8
*sa
, const u8
*query
,
1875 struct wpa_supplicant
*wpa_s
= ctx
;
1876 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1877 struct wpabuf
*resp
;
1879 wpa_printf(MSG_DEBUG
, "DPP: GAS request from " MACSTR
,
1881 if (!auth
|| !auth
->auth_success
||
1882 os_memcmp(sa
, auth
->peer_mac_addr
, ETH_ALEN
) != 0) {
1883 wpa_printf(MSG_DEBUG
, "DPP: No matching exchange in progress");
1887 if (wpa_s
->dpp_auth_ok_on_ack
&& auth
->configurator
) {
1888 wpa_printf(MSG_DEBUG
,
1889 "DPP: Have not received ACK for Auth Confirm yet - assume it was received based on this GAS request");
1890 /* wpas_dpp_auth_success() would normally have been called from
1891 * TX status handler, but since there was no such handler call
1892 * yet, simply send out the event message and proceed with
1894 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_AUTH_SUCCESS
"init=1");
1895 wpa_s
->dpp_auth_ok_on_ack
= 0;
1898 wpa_hexdump(MSG_DEBUG
,
1899 "DPP: Received Configuration Request (GAS Query Request)",
1901 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_REQ_RX
"src=" MACSTR
,
1903 resp
= dpp_conf_req_rx(auth
, query
, query_len
);
1905 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_FAILED
);
1906 auth
->conf_resp
= resp
;
1912 wpas_dpp_gas_status_handler(void *ctx
, struct wpabuf
*resp
, int ok
)
1914 struct wpa_supplicant
*wpa_s
= ctx
;
1915 struct dpp_authentication
*auth
= wpa_s
->dpp_auth
;
1921 if (auth
->conf_resp
!= resp
) {
1922 wpa_printf(MSG_DEBUG
,
1923 "DPP: Ignore GAS status report (ok=%d) for unknown response",
1929 wpa_printf(MSG_DEBUG
, "DPP: Configuration exchange completed (ok=%d)",
1931 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
1932 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout
, wpa_s
, NULL
);
1934 if (ok
&& auth
->peer_version
>= 2 &&
1935 auth
->conf_resp_status
== DPP_STATUS_OK
) {
1936 wpa_printf(MSG_DEBUG
, "DPP: Wait for Configuration Result");
1937 auth
->waiting_conf_result
= 1;
1938 auth
->conf_resp
= NULL
;
1940 eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout
,
1942 eloop_register_timeout(2, 0,
1943 wpas_dpp_config_result_wait_timeout
,
1947 #endif /* CONFIG_DPP2 */
1948 offchannel_send_action_done(wpa_s
);
1949 wpas_dpp_listen_stop(wpa_s
);
1951 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_SENT
);
1953 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_CONF_FAILED
);
1954 dpp_auth_deinit(wpa_s
->dpp_auth
);
1955 wpa_s
->dpp_auth
= NULL
;
1960 int wpas_dpp_configurator_sign(struct wpa_supplicant
*wpa_s
, const char *cmd
)
1962 struct dpp_authentication
*auth
;
1966 auth
= os_zalloc(sizeof(*auth
));
1970 curve
= get_param(cmd
, " curve=");
1971 wpas_dpp_set_testing_options(wpa_s
, auth
);
1972 if (dpp_set_configurator(wpa_s
->dpp
, wpa_s
, auth
, cmd
) == 0 &&
1973 dpp_configurator_own_config(auth
, curve
, 0) == 0)
1974 ret
= wpas_dpp_handle_config_obj(wpa_s
, auth
);
1976 dpp_auth_deinit(auth
);
1984 wpas_dpp_tx_introduction_status(struct wpa_supplicant
*wpa_s
,
1985 unsigned int freq
, const u8
*dst
,
1986 const u8
*src
, const u8
*bssid
,
1987 const u8
*data
, size_t data_len
,
1988 enum offchannel_send_action_result result
)
1990 const char *res_txt
;
1992 res_txt
= result
== OFFCHANNEL_SEND_ACTION_SUCCESS
? "SUCCESS" :
1993 (result
== OFFCHANNEL_SEND_ACTION_NO_ACK
? "no-ACK" :
1995 wpa_printf(MSG_DEBUG
, "DPP: TX status: freq=%u dst=" MACSTR
1996 " result=%s (DPP Peer Discovery Request)",
1997 freq
, MAC2STR(dst
), res_txt
);
1998 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX_STATUS
"dst=" MACSTR
1999 " freq=%u result=%s", MAC2STR(dst
), freq
, res_txt
);
2000 /* TODO: Time out wait for response more quickly in error cases? */
2004 int wpas_dpp_check_connect(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
2005 struct wpa_bss
*bss
)
2009 unsigned int wait_time
;
2011 struct wpa_ie_data ied
;
2013 if (!(ssid
->key_mgmt
& WPA_KEY_MGMT_DPP
) || !bss
)
2014 return 0; /* Not using DPP AKM - continue */
2015 rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
2016 if (rsn
&& wpa_parse_wpa_ie(rsn
, 2 + rsn
[1], &ied
) == 0 &&
2017 !(ied
.key_mgmt
& WPA_KEY_MGMT_DPP
))
2018 return 0; /* AP does not support DPP AKM - continue */
2019 if (wpa_sm_pmksa_exists(wpa_s
->wpa
, bss
->bssid
, ssid
))
2020 return 0; /* PMKSA exists for DPP AKM - continue */
2022 if (!ssid
->dpp_connector
|| !ssid
->dpp_netaccesskey
||
2024 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_MISSING_CONNECTOR
2026 !ssid
->dpp_connector
? "Connector" :
2027 (!ssid
->dpp_netaccesskey
? "netAccessKey" :
2034 if (ssid
->dpp_netaccesskey_expiry
&&
2035 (os_time_t
) ssid
->dpp_netaccesskey_expiry
< now
.sec
) {
2036 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_MISSING_CONNECTOR
2037 "netAccessKey expired");
2041 wpa_printf(MSG_DEBUG
,
2042 "DPP: Starting network introduction protocol to derive PMKSA for "
2043 MACSTR
, MAC2STR(bss
->bssid
));
2045 msg
= dpp_alloc_msg(DPP_PA_PEER_DISCOVERY_REQ
,
2046 5 + 4 + os_strlen(ssid
->dpp_connector
));
2050 #ifdef CONFIG_TESTING_OPTIONS
2051 if (dpp_test
== DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ
) {
2052 wpa_printf(MSG_INFO
, "DPP: TESTING - no Transaction ID");
2055 if (dpp_test
== DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ
) {
2056 wpa_printf(MSG_INFO
, "DPP: TESTING - invalid Transaction ID");
2057 wpabuf_put_le16(msg
, DPP_ATTR_TRANSACTION_ID
);
2058 wpabuf_put_le16(msg
, 0);
2061 #endif /* CONFIG_TESTING_OPTIONS */
2063 /* Transaction ID */
2064 wpabuf_put_le16(msg
, DPP_ATTR_TRANSACTION_ID
);
2065 wpabuf_put_le16(msg
, 1);
2066 wpabuf_put_u8(msg
, TRANSACTION_ID
);
2068 #ifdef CONFIG_TESTING_OPTIONS
2070 if (dpp_test
== DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ
) {
2071 wpa_printf(MSG_INFO
, "DPP: TESTING - no Connector");
2072 goto skip_connector
;
2074 if (dpp_test
== DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ
) {
2077 wpa_printf(MSG_INFO
, "DPP: TESTING - invalid Connector");
2078 connector
= dpp_corrupt_connector_signature(
2079 ssid
->dpp_connector
);
2084 wpabuf_put_le16(msg
, DPP_ATTR_CONNECTOR
);
2085 wpabuf_put_le16(msg
, os_strlen(connector
));
2086 wpabuf_put_str(msg
, connector
);
2088 goto skip_connector
;
2090 #endif /* CONFIG_TESTING_OPTIONS */
2093 wpabuf_put_le16(msg
, DPP_ATTR_CONNECTOR
);
2094 wpabuf_put_le16(msg
, os_strlen(ssid
->dpp_connector
));
2095 wpabuf_put_str(msg
, ssid
->dpp_connector
);
2097 #ifdef CONFIG_TESTING_OPTIONS
2099 #endif /* CONFIG_TESTING_OPTIONS */
2101 /* TODO: Timeout on AP response */
2102 wait_time
= wpa_s
->max_remain_on_chan
;
2103 if (wait_time
> 2000)
2105 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
" freq=%u type=%d",
2106 MAC2STR(bss
->bssid
), bss
->freq
, DPP_PA_PEER_DISCOVERY_REQ
);
2107 offchannel_send_action(wpa_s
, bss
->freq
, bss
->bssid
, wpa_s
->own_addr
,
2109 wpabuf_head(msg
), wpabuf_len(msg
),
2110 wait_time
, wpas_dpp_tx_introduction_status
, 0);
2113 /* Request this connection attempt to terminate - new one will be
2114 * started when network introduction protocol completes */
2115 os_memcpy(wpa_s
->dpp_intro_bssid
, bss
->bssid
, ETH_ALEN
);
2116 wpa_s
->dpp_intro_network
= ssid
;
2121 int wpas_dpp_pkex_add(struct wpa_supplicant
*wpa_s
, const char *cmd
)
2123 struct dpp_bootstrap_info
*own_bi
;
2124 const char *pos
, *end
;
2125 unsigned int wait_time
;
2127 pos
= os_strstr(cmd
, " own=");
2131 own_bi
= dpp_bootstrap_get_id(wpa_s
->dpp
, atoi(pos
));
2133 wpa_printf(MSG_DEBUG
,
2134 "DPP: Identified bootstrap info not found");
2137 if (own_bi
->type
!= DPP_BOOTSTRAP_PKEX
) {
2138 wpa_printf(MSG_DEBUG
,
2139 "DPP: Identified bootstrap info not for PKEX");
2142 wpa_s
->dpp_pkex_bi
= own_bi
;
2143 own_bi
->pkex_t
= 0; /* clear pending errors on new code */
2145 os_free(wpa_s
->dpp_pkex_identifier
);
2146 wpa_s
->dpp_pkex_identifier
= NULL
;
2147 pos
= os_strstr(cmd
, " identifier=");
2150 end
= os_strchr(pos
, ' ');
2153 wpa_s
->dpp_pkex_identifier
= os_malloc(end
- pos
+ 1);
2154 if (!wpa_s
->dpp_pkex_identifier
)
2156 os_memcpy(wpa_s
->dpp_pkex_identifier
, pos
, end
- pos
);
2157 wpa_s
->dpp_pkex_identifier
[end
- pos
] = '\0';
2160 pos
= os_strstr(cmd
, " code=");
2163 os_free(wpa_s
->dpp_pkex_code
);
2164 wpa_s
->dpp_pkex_code
= os_strdup(pos
+ 6);
2165 if (!wpa_s
->dpp_pkex_code
)
2168 if (os_strstr(cmd
, " init=1")) {
2169 struct dpp_pkex
*pkex
;
2172 wpa_printf(MSG_DEBUG
, "DPP: Initiating PKEX");
2173 dpp_pkex_free(wpa_s
->dpp_pkex
);
2174 wpa_s
->dpp_pkex
= dpp_pkex_init(wpa_s
, own_bi
, wpa_s
->own_addr
,
2175 wpa_s
->dpp_pkex_identifier
,
2176 wpa_s
->dpp_pkex_code
);
2177 pkex
= wpa_s
->dpp_pkex
;
2181 msg
= pkex
->exchange_req
;
2182 wait_time
= wpa_s
->max_remain_on_chan
;
2183 if (wait_time
> 2000)
2186 wpa_msg(wpa_s
, MSG_INFO
, DPP_EVENT_TX
"dst=" MACSTR
2188 MAC2STR(broadcast
), pkex
->freq
,
2189 DPP_PA_PKEX_EXCHANGE_REQ
);
2190 offchannel_send_action(wpa_s
, pkex
->freq
, broadcast
,
2191 wpa_s
->own_addr
, broadcast
,
2192 wpabuf_head(msg
), wpabuf_len(msg
),
2193 wait_time
, wpas_dpp_tx_pkex_status
, 0);
2196 pkex
->exch_req_wait_time
= wait_time
;
2197 pkex
->exch_req_tries
= 1;
2200 /* TODO: Support multiple PKEX info entries */
2202 os_free(wpa_s
->dpp_pkex_auth_cmd
);
2203 wpa_s
->dpp_pkex_auth_cmd
= os_strdup(cmd
);
2209 int wpas_dpp_pkex_remove(struct wpa_supplicant
*wpa_s
, const char *id
)
2211 unsigned int id_val
;
2213 if (os_strcmp(id
, "*") == 0) {
2221 if ((id_val
!= 0 && id_val
!= 1) || !wpa_s
->dpp_pkex_code
)
2224 /* TODO: Support multiple PKEX entries */
2225 os_free(wpa_s
->dpp_pkex_code
);
2226 wpa_s
->dpp_pkex_code
= NULL
;
2227 os_free(wpa_s
->dpp_pkex_identifier
);
2228 wpa_s
->dpp_pkex_identifier
= NULL
;
2229 os_free(wpa_s
->dpp_pkex_auth_cmd
);
2230 wpa_s
->dpp_pkex_auth_cmd
= NULL
;
2231 wpa_s
->dpp_pkex_bi
= NULL
;
2232 /* TODO: Remove dpp_pkex only if it is for the identified PKEX code */
2233 dpp_pkex_free(wpa_s
->dpp_pkex
);
2234 wpa_s
->dpp_pkex
= NULL
;
2239 void wpas_dpp_stop(struct wpa_supplicant
*wpa_s
)
2241 dpp_auth_deinit(wpa_s
->dpp_auth
);
2242 wpa_s
->dpp_auth
= NULL
;
2243 dpp_pkex_free(wpa_s
->dpp_pkex
);
2244 wpa_s
->dpp_pkex
= NULL
;
2245 if (wpa_s
->dpp_gas_client
&& wpa_s
->dpp_gas_dialog_token
>= 0)
2246 gas_query_stop(wpa_s
->gas
, wpa_s
->dpp_gas_dialog_token
);
2250 int wpas_dpp_init(struct wpa_supplicant
*wpa_s
)
2252 struct dpp_global_config config
;
2255 adv_proto_id
[0] = WLAN_EID_VENDOR_SPECIFIC
;
2256 adv_proto_id
[1] = 5;
2257 WPA_PUT_BE24(&adv_proto_id
[2], OUI_WFA
);
2258 adv_proto_id
[5] = DPP_OUI_TYPE
;
2259 adv_proto_id
[6] = 0x01;
2261 if (gas_server_register(wpa_s
->gas_server
, adv_proto_id
,
2262 sizeof(adv_proto_id
), wpas_dpp_gas_req_handler
,
2263 wpas_dpp_gas_status_handler
, wpa_s
) < 0)
2266 os_memset(&config
, 0, sizeof(config
));
2267 config
.msg_ctx
= wpa_s
;
2268 config
.cb_ctx
= wpa_s
;
2270 config
.process_conf_obj
= wpas_dpp_process_conf_obj
;
2271 #endif /* CONFIG_DPP2 */
2272 wpa_s
->dpp
= dpp_global_init(&config
);
2273 return wpa_s
->dpp
? 0 : -1;
2277 void wpas_dpp_deinit(struct wpa_supplicant
*wpa_s
)
2279 #ifdef CONFIG_TESTING_OPTIONS
2280 os_free(wpa_s
->dpp_config_obj_override
);
2281 wpa_s
->dpp_config_obj_override
= NULL
;
2282 os_free(wpa_s
->dpp_discovery_override
);
2283 wpa_s
->dpp_discovery_override
= NULL
;
2284 os_free(wpa_s
->dpp_groups_override
);
2285 wpa_s
->dpp_groups_override
= NULL
;
2286 wpa_s
->dpp_ignore_netaccesskey_mismatch
= 0;
2287 #endif /* CONFIG_TESTING_OPTIONS */
2290 dpp_global_clear(wpa_s
->dpp
);
2291 eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout
, wpa_s
, NULL
);
2292 eloop_cancel_timeout(wpas_dpp_reply_wait_timeout
, wpa_s
, NULL
);
2293 eloop_cancel_timeout(wpas_dpp_init_timeout
, wpa_s
, NULL
);
2294 eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout
, wpa_s
, NULL
);
2296 eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout
, wpa_s
, NULL
);
2297 dpp_pfs_free(wpa_s
->dpp_pfs
);
2298 wpa_s
->dpp_pfs
= NULL
;
2299 #endif /* CONFIG_DPP2 */
2300 offchannel_send_action_done(wpa_s
);
2301 wpas_dpp_listen_stop(wpa_s
);
2302 wpas_dpp_stop(wpa_s
);
2303 wpas_dpp_pkex_remove(wpa_s
, "*");
2304 os_memset(wpa_s
->dpp_intro_bssid
, 0, ETH_ALEN
);
2305 os_free(wpa_s
->dpp_configurator_params
);
2306 wpa_s
->dpp_configurator_params
= NULL
;
2311 int wpas_dpp_controller_start(struct wpa_supplicant
*wpa_s
, const char *cmd
)
2313 struct dpp_controller_config config
;
2316 os_memset(&config
, 0, sizeof(config
));
2318 pos
= os_strstr(cmd
, " tcp_port=");
2321 config
.tcp_port
= atoi(pos
);
2324 config
.configurator_params
= wpa_s
->dpp_configurator_params
;
2325 return dpp_controller_start(wpa_s
->dpp
, &config
);
2327 #endif /* CONFIG_DPP2 */