3 * Copyright (c) 2003-2017, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
8 * This file implements functions for registering and unregistering
9 * %wpa_supplicant interfaces. In addition, this file contains number of
10 * functions for managing network connections.
14 #ifdef CONFIG_MATCH_IFACE
17 #endif /* CONFIG_MATCH_IFACE */
20 #include "crypto/random.h"
21 #include "crypto/sha1.h"
22 #include "eapol_supp/eapol_supp_sm.h"
23 #include "eap_peer/eap.h"
24 #include "eap_peer/eap_proxy.h"
25 #include "eap_server/eap_methods.h"
26 #include "rsn_supp/wpa.h"
29 #include "utils/ext_password.h"
30 #include "l2_packet/l2_packet.h"
31 #include "wpa_supplicant_i.h"
33 #include "ctrl_iface.h"
34 #include "pcsc_funcs.h"
35 #include "common/version.h"
36 #include "rsn_supp/preauth.h"
37 #include "rsn_supp/pmksa_cache.h"
38 #include "common/wpa_ctrl.h"
39 #include "common/ieee802_11_defs.h"
40 #include "common/hw_features_common.h"
43 #include "blacklist.h"
44 #include "wpas_glue.h"
45 #include "wps_supplicant.h"
48 #include "gas_query.h"
50 #include "p2p_supplicant.h"
51 #include "wifi_display.h"
57 #include "offchannel.h"
58 #include "hs20_supplicant.h"
63 const char *const wpa_supplicant_version
=
64 "wpa_supplicant v" VERSION_STR
"\n"
65 "Copyright (c) 2003-2017, Jouni Malinen <j@w1.fi> and contributors";
67 const char *const wpa_supplicant_license
=
68 "This software may be distributed under the terms of the BSD license.\n"
69 "See README for more details.\n"
70 #ifdef EAP_TLS_OPENSSL
71 "\nThis product includes software developed by the OpenSSL Project\n"
72 "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n"
73 #endif /* EAP_TLS_OPENSSL */
76 #ifndef CONFIG_NO_STDOUT_DEBUG
77 /* Long text divided into parts in order to fit in C89 strings size limits. */
78 const char *const wpa_supplicant_full_license1
=
80 const char *const wpa_supplicant_full_license2
=
81 "This software may be distributed under the terms of the BSD license.\n"
83 "Redistribution and use in source and binary forms, with or without\n"
84 "modification, are permitted provided that the following conditions are\n"
87 const char *const wpa_supplicant_full_license3
=
88 "1. Redistributions of source code must retain the above copyright\n"
89 " notice, this list of conditions and the following disclaimer.\n"
91 "2. Redistributions in binary form must reproduce the above copyright\n"
92 " notice, this list of conditions and the following disclaimer in the\n"
93 " documentation and/or other materials provided with the distribution.\n"
95 const char *const wpa_supplicant_full_license4
=
96 "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
97 " names of its contributors may be used to endorse or promote products\n"
98 " derived from this software without specific prior written permission.\n"
100 "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
101 "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
102 "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
103 "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n";
104 const char *const wpa_supplicant_full_license5
=
105 "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
106 "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
107 "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
108 "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
109 "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
110 "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
111 "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
113 #endif /* CONFIG_NO_STDOUT_DEBUG */
115 /* Configure default/group WEP keys for static WEP */
116 int wpa_set_wep_keys(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
120 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
121 if (ssid
->wep_key_len
[i
] == 0)
125 wpa_drv_set_key(wpa_s
, WPA_ALG_WEP
, NULL
,
126 i
, i
== ssid
->wep_tx_keyidx
, NULL
, 0,
127 ssid
->wep_key
[i
], ssid
->wep_key_len
[i
]);
134 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant
*wpa_s
,
135 struct wpa_ssid
*ssid
)
143 /* IBSS/WPA-None uses only one key (Group) for both receiving and
144 * sending unicast and multicast packets. */
146 if (ssid
->mode
!= WPAS_MODE_IBSS
) {
147 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Invalid mode %d (not "
148 "IBSS/ad-hoc) for WPA-None", ssid
->mode
);
152 if (!ssid
->psk_set
) {
153 wpa_msg(wpa_s
, MSG_INFO
, "WPA: No PSK configured for "
158 switch (wpa_s
->group_cipher
) {
159 case WPA_CIPHER_CCMP
:
160 os_memcpy(key
, ssid
->psk
, 16);
164 case WPA_CIPHER_GCMP
:
165 os_memcpy(key
, ssid
->psk
, 16);
169 case WPA_CIPHER_TKIP
:
170 /* WPA-None uses the same Michael MIC key for both TX and RX */
171 os_memcpy(key
, ssid
->psk
, 16 + 8);
172 os_memcpy(key
+ 16 + 8, ssid
->psk
+ 16, 8);
177 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Invalid group cipher %d for "
178 "WPA-None", wpa_s
->group_cipher
);
182 /* TODO: should actually remember the previously used seq#, both for TX
183 * and RX from each STA.. */
185 ret
= wpa_drv_set_key(wpa_s
, alg
, NULL
, 0, 1, seq
, 6, key
, keylen
);
186 os_memset(key
, 0, sizeof(key
));
191 static void wpa_supplicant_timeout(void *eloop_ctx
, void *timeout_ctx
)
193 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
194 const u8
*bssid
= wpa_s
->bssid
;
195 if (!is_zero_ether_addr(wpa_s
->pending_bssid
) &&
196 (wpa_s
->wpa_state
== WPA_AUTHENTICATING
||
197 wpa_s
->wpa_state
== WPA_ASSOCIATING
))
198 bssid
= wpa_s
->pending_bssid
;
199 wpa_msg(wpa_s
, MSG_INFO
, "Authentication with " MACSTR
" timed out.",
201 wpa_blacklist_add(wpa_s
, bssid
);
202 wpa_sm_notify_disassoc(wpa_s
->wpa
);
203 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
204 wpa_s
->reassociate
= 1;
207 * If we timed out, the AP or the local radio may be busy.
208 * So, wait a second until scanning again.
210 wpa_supplicant_req_scan(wpa_s
, 1, 0);
215 * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication
216 * @wpa_s: Pointer to wpa_supplicant data
217 * @sec: Number of seconds after which to time out authentication
218 * @usec: Number of microseconds after which to time out authentication
220 * This function is used to schedule a timeout for the current authentication
223 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant
*wpa_s
,
226 if (wpa_s
->conf
->ap_scan
== 0 &&
227 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
))
230 wpa_dbg(wpa_s
, MSG_DEBUG
, "Setting authentication timeout: %d sec "
231 "%d usec", sec
, usec
);
232 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
233 eloop_register_timeout(sec
, usec
, wpa_supplicant_timeout
, wpa_s
, NULL
);
238 * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout
239 * @wpa_s: Pointer to wpa_supplicant data
241 * This function is used to cancel authentication timeout scheduled with
242 * wpa_supplicant_req_auth_timeout() and it is called when authentication has
245 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant
*wpa_s
)
247 wpa_dbg(wpa_s
, MSG_DEBUG
, "Cancelling authentication timeout");
248 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
249 wpa_blacklist_del(wpa_s
, wpa_s
->bssid
);
254 * wpa_supplicant_initiate_eapol - Configure EAPOL state machine
255 * @wpa_s: Pointer to wpa_supplicant data
257 * This function is used to configure EAPOL state machine based on the selected
258 * authentication mode.
260 void wpa_supplicant_initiate_eapol(struct wpa_supplicant
*wpa_s
)
262 #ifdef IEEE8021X_EAPOL
263 struct eapol_config eapol_conf
;
264 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
266 #ifdef CONFIG_IBSS_RSN
267 if (ssid
->mode
== WPAS_MODE_IBSS
&&
268 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
269 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
) {
271 * RSN IBSS authentication is per-STA and we can disable the
272 * per-BSSID EAPOL authentication.
274 eapol_sm_notify_portControl(wpa_s
->eapol
, ForceAuthorized
);
275 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
276 eapol_sm_notify_eap_fail(wpa_s
->eapol
, FALSE
);
279 #endif /* CONFIG_IBSS_RSN */
281 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
282 eapol_sm_notify_eap_fail(wpa_s
->eapol
, FALSE
);
284 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
285 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
)
286 eapol_sm_notify_portControl(wpa_s
->eapol
, ForceAuthorized
);
288 eapol_sm_notify_portControl(wpa_s
->eapol
, Auto
);
290 os_memset(&eapol_conf
, 0, sizeof(eapol_conf
));
291 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
292 eapol_conf
.accept_802_1x_keys
= 1;
293 eapol_conf
.required_keys
= 0;
294 if (ssid
->eapol_flags
& EAPOL_FLAG_REQUIRE_KEY_UNICAST
) {
295 eapol_conf
.required_keys
|= EAPOL_REQUIRE_KEY_UNICAST
;
297 if (ssid
->eapol_flags
& EAPOL_FLAG_REQUIRE_KEY_BROADCAST
) {
298 eapol_conf
.required_keys
|=
299 EAPOL_REQUIRE_KEY_BROADCAST
;
302 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
)
303 eapol_conf
.required_keys
= 0;
305 eapol_conf
.fast_reauth
= wpa_s
->conf
->fast_reauth
;
306 eapol_conf
.workaround
= ssid
->eap_workaround
;
307 eapol_conf
.eap_disabled
=
308 !wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) &&
309 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
310 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPS
;
311 eapol_conf
.external_sim
= wpa_s
->conf
->external_sim
;
314 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
315 eapol_conf
.wps
|= EAPOL_LOCAL_WPS_IN_USE
;
316 if (wpa_s
->current_bss
) {
318 ie
= wpa_bss_get_vendor_ie_multi(wpa_s
->current_bss
,
323 EAPOL_PEER_IS_WPS20_AP
;
328 #endif /* CONFIG_WPS */
330 eapol_sm_notify_config(wpa_s
->eapol
, &ssid
->eap
, &eapol_conf
);
333 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
&& ssid
->mka_psk_set
)
334 ieee802_1x_create_preshared_mka(wpa_s
, ssid
);
336 ieee802_1x_alloc_kay_sm(wpa_s
, ssid
);
337 #endif /* CONFIG_MACSEC */
338 #endif /* IEEE8021X_EAPOL */
343 * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
344 * @wpa_s: Pointer to wpa_supplicant data
345 * @ssid: Configuration data for the network
347 * This function is used to configure WPA state machine and related parameters
348 * to a mode where WPA is not enabled. This is called as part of the
349 * authentication configuration when the selected network does not use WPA.
351 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant
*wpa_s
,
352 struct wpa_ssid
*ssid
)
356 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)
357 wpa_s
->key_mgmt
= WPA_KEY_MGMT_WPS
;
358 else if (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)
359 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_NO_WPA
;
361 wpa_s
->key_mgmt
= WPA_KEY_MGMT_NONE
;
362 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, NULL
, 0);
363 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, NULL
, 0);
364 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
365 wpa_s
->pairwise_cipher
= WPA_CIPHER_NONE
;
366 wpa_s
->group_cipher
= WPA_CIPHER_NONE
;
367 wpa_s
->mgmt_group_cipher
= 0;
369 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
370 if (ssid
->wep_key_len
[i
] > 5) {
371 wpa_s
->pairwise_cipher
= WPA_CIPHER_WEP104
;
372 wpa_s
->group_cipher
= WPA_CIPHER_WEP104
;
374 } else if (ssid
->wep_key_len
[i
] > 0) {
375 wpa_s
->pairwise_cipher
= WPA_CIPHER_WEP40
;
376 wpa_s
->group_cipher
= WPA_CIPHER_WEP40
;
381 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_RSN_ENABLED
, 0);
382 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_KEY_MGMT
, wpa_s
->key_mgmt
);
383 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PAIRWISE
,
384 wpa_s
->pairwise_cipher
);
385 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_GROUP
, wpa_s
->group_cipher
);
386 #ifdef CONFIG_IEEE80211W
387 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MGMT_GROUP
,
388 wpa_s
->mgmt_group_cipher
);
389 #endif /* CONFIG_IEEE80211W */
391 pmksa_cache_clear_current(wpa_s
->wpa
);
395 void free_hw_features(struct wpa_supplicant
*wpa_s
)
398 if (wpa_s
->hw
.modes
== NULL
)
401 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
402 os_free(wpa_s
->hw
.modes
[i
].channels
);
403 os_free(wpa_s
->hw
.modes
[i
].rates
);
406 os_free(wpa_s
->hw
.modes
);
407 wpa_s
->hw
.modes
= NULL
;
411 static void free_bss_tmp_disallowed(struct wpa_supplicant
*wpa_s
)
413 struct wpa_bss_tmp_disallowed
*bss
, *prev
;
415 dl_list_for_each_safe(bss
, prev
, &wpa_s
->bss_tmp_disallowed
,
416 struct wpa_bss_tmp_disallowed
, list
) {
417 dl_list_del(&bss
->list
);
423 static void wpa_supplicant_cleanup(struct wpa_supplicant
*wpa_s
)
427 bgscan_deinit(wpa_s
);
428 autoscan_deinit(wpa_s
);
429 scard_deinit(wpa_s
->scard
);
431 wpa_sm_set_scard_ctx(wpa_s
->wpa
, NULL
);
432 eapol_sm_register_scard_ctx(wpa_s
->eapol
, NULL
);
433 l2_packet_deinit(wpa_s
->l2
);
436 l2_packet_deinit(wpa_s
->l2_br
);
439 #ifdef CONFIG_TESTING_OPTIONS
440 l2_packet_deinit(wpa_s
->l2_test
);
441 wpa_s
->l2_test
= NULL
;
442 #endif /* CONFIG_TESTING_OPTIONS */
444 if (wpa_s
->conf
!= NULL
) {
445 struct wpa_ssid
*ssid
;
446 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
447 wpas_notify_network_removed(wpa_s
, ssid
);
450 os_free(wpa_s
->confname
);
451 wpa_s
->confname
= NULL
;
453 os_free(wpa_s
->confanother
);
454 wpa_s
->confanother
= NULL
;
456 wpa_sm_set_eapol(wpa_s
->wpa
, NULL
);
457 eapol_sm_deinit(wpa_s
->eapol
);
460 rsn_preauth_deinit(wpa_s
->wpa
);
463 wpa_tdls_deinit(wpa_s
->wpa
);
464 #endif /* CONFIG_TDLS */
466 wmm_ac_clear_saved_tspecs(wpa_s
);
467 pmksa_candidate_free(wpa_s
->wpa
);
468 wpa_sm_deinit(wpa_s
->wpa
);
470 wpa_blacklist_clear(wpa_s
);
472 wpa_bss_deinit(wpa_s
);
474 wpa_supplicant_cancel_delayed_sched_scan(wpa_s
);
475 wpa_supplicant_cancel_scan(wpa_s
);
476 wpa_supplicant_cancel_auth_timeout(wpa_s
);
477 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures
, wpa_s
, NULL
);
478 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
479 eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report
,
481 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
483 eloop_cancel_timeout(wpas_network_reenabled
, wpa_s
, NULL
);
485 wpas_wps_deinit(wpa_s
);
487 wpabuf_free(wpa_s
->pending_eapol_rx
);
488 wpa_s
->pending_eapol_rx
= NULL
;
490 #ifdef CONFIG_IBSS_RSN
491 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
492 wpa_s
->ibss_rsn
= NULL
;
493 #endif /* CONFIG_IBSS_RSN */
498 wpa_supplicant_ap_deinit(wpa_s
);
499 #endif /* CONFIG_AP */
501 wpas_p2p_deinit(wpa_s
);
503 #ifdef CONFIG_OFFCHANNEL
504 offchannel_deinit(wpa_s
);
505 #endif /* CONFIG_OFFCHANNEL */
507 wpa_supplicant_cancel_sched_scan(wpa_s
);
509 os_free(wpa_s
->next_scan_freqs
);
510 wpa_s
->next_scan_freqs
= NULL
;
512 os_free(wpa_s
->manual_scan_freqs
);
513 wpa_s
->manual_scan_freqs
= NULL
;
515 os_free(wpa_s
->manual_sched_scan_freqs
);
516 wpa_s
->manual_sched_scan_freqs
= NULL
;
518 wpas_mac_addr_rand_scan_clear(wpa_s
, MAC_ADDR_RAND_ALL
);
521 * Need to remove any pending gas-query radio work before the
522 * gas_query_deinit() call because gas_query::work has not yet been set
523 * for works that have not been started. gas_query_free() will be unable
524 * to cancel such pending radio works and once the pending gas-query
525 * radio work eventually gets removed, the deinit notification call to
526 * gas_query_start_cb() would result in dereferencing freed memory.
529 radio_remove_works(wpa_s
, "gas-query", 0);
530 gas_query_deinit(wpa_s
->gas
);
533 free_hw_features(wpa_s
);
535 ieee802_1x_dealloc_kay_sm(wpa_s
);
537 os_free(wpa_s
->bssid_filter
);
538 wpa_s
->bssid_filter
= NULL
;
540 os_free(wpa_s
->disallow_aps_bssid
);
541 wpa_s
->disallow_aps_bssid
= NULL
;
542 os_free(wpa_s
->disallow_aps_ssid
);
543 wpa_s
->disallow_aps_ssid
= NULL
;
545 wnm_bss_keep_alive_deinit(wpa_s
);
547 wnm_deallocate_memory(wpa_s
);
548 #endif /* CONFIG_WNM */
550 ext_password_deinit(wpa_s
->ext_pw
);
551 wpa_s
->ext_pw
= NULL
;
553 wpabuf_free(wpa_s
->last_gas_resp
);
554 wpa_s
->last_gas_resp
= NULL
;
555 wpabuf_free(wpa_s
->prev_gas_resp
);
556 wpa_s
->prev_gas_resp
= NULL
;
558 os_free(wpa_s
->last_scan_res
);
559 wpa_s
->last_scan_res
= NULL
;
563 wpa_drv_configure_frame_filters(wpa_s
, 0);
565 #endif /* CONFIG_HS20 */
567 for (i
= 0; i
< NUM_VENDOR_ELEM_FRAMES
; i
++) {
568 wpabuf_free(wpa_s
->vendor_elem
[i
]);
569 wpa_s
->vendor_elem
[i
] = NULL
;
572 wmm_ac_notify_disassoc(wpa_s
);
574 wpa_s
->sched_scan_plans_num
= 0;
575 os_free(wpa_s
->sched_scan_plans
);
576 wpa_s
->sched_scan_plans
= NULL
;
579 wpa_s
->non_pref_chan_num
= 0;
580 os_free(wpa_s
->non_pref_chan
);
581 wpa_s
->non_pref_chan
= NULL
;
582 #endif /* CONFIG_MBO */
584 free_bss_tmp_disallowed(wpa_s
);
586 wpabuf_free(wpa_s
->lci
);
588 wpas_clear_beacon_rep_data(wpa_s
);
590 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
593 struct external_pmksa_cache
*entry
;
595 while ((entry
= dl_list_last(&wpa_s
->mesh_external_pmksa_cache
,
596 struct external_pmksa_cache
,
598 dl_list_del(&entry
->list
);
599 os_free(entry
->pmksa_cache
);
603 #endif /* CONFIG_MESH */
604 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
609 * wpa_clear_keys - Clear keys configured for the driver
610 * @wpa_s: Pointer to wpa_supplicant data
611 * @addr: Previously used BSSID or %NULL if not available
613 * This function clears the encryption keys that has been previously configured
616 void wpa_clear_keys(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
620 #ifdef CONFIG_IEEE80211W
622 #else /* CONFIG_IEEE80211W */
624 #endif /* CONFIG_IEEE80211W */
626 /* MLME-DELETEKEYS.request */
627 for (i
= 0; i
< max
; i
++) {
628 if (wpa_s
->keys_cleared
& BIT(i
))
630 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, i
, 0, NULL
, 0,
633 if (!(wpa_s
->keys_cleared
& BIT(0)) && addr
&&
634 !is_zero_ether_addr(addr
)) {
635 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, addr
, 0, 0, NULL
, 0, NULL
,
637 /* MLME-SETPROTECTION.request(None) */
638 wpa_drv_mlme_setprotection(
640 MLME_SETPROTECTION_PROTECT_TYPE_NONE
,
641 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE
);
643 wpa_s
->keys_cleared
= (u32
) -1;
648 * wpa_supplicant_state_txt - Get the connection state name as a text string
649 * @state: State (wpa_state; WPA_*)
650 * Returns: The state name as a printable text string
652 const char * wpa_supplicant_state_txt(enum wpa_states state
)
655 case WPA_DISCONNECTED
:
656 return "DISCONNECTED";
659 case WPA_INTERFACE_DISABLED
:
660 return "INTERFACE_DISABLED";
663 case WPA_AUTHENTICATING
:
664 return "AUTHENTICATING";
665 case WPA_ASSOCIATING
:
666 return "ASSOCIATING";
669 case WPA_4WAY_HANDSHAKE
:
670 return "4WAY_HANDSHAKE";
671 case WPA_GROUP_HANDSHAKE
:
672 return "GROUP_HANDSHAKE";
683 static void wpa_supplicant_start_bgscan(struct wpa_supplicant
*wpa_s
)
687 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->bgscan
)
688 name
= wpa_s
->current_ssid
->bgscan
;
690 name
= wpa_s
->conf
->bgscan
;
691 if (name
== NULL
|| name
[0] == '\0')
693 if (wpas_driver_bss_selection(wpa_s
))
695 if (wpa_s
->current_ssid
== wpa_s
->bgscan_ssid
)
698 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
700 #endif /* CONFIG_P2P */
702 bgscan_deinit(wpa_s
);
703 if (wpa_s
->current_ssid
) {
704 if (bgscan_init(wpa_s
, wpa_s
->current_ssid
, name
)) {
705 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize "
708 * Live without bgscan; it is only used as a roaming
709 * optimization, so the initial connection is not
713 struct wpa_scan_results
*scan_res
;
714 wpa_s
->bgscan_ssid
= wpa_s
->current_ssid
;
715 scan_res
= wpa_supplicant_get_scan_results(wpa_s
, NULL
,
718 bgscan_notify_scan(wpa_s
, scan_res
);
719 wpa_scan_results_free(scan_res
);
723 wpa_s
->bgscan_ssid
= NULL
;
727 static void wpa_supplicant_stop_bgscan(struct wpa_supplicant
*wpa_s
)
729 if (wpa_s
->bgscan_ssid
!= NULL
) {
730 bgscan_deinit(wpa_s
);
731 wpa_s
->bgscan_ssid
= NULL
;
735 #endif /* CONFIG_BGSCAN */
738 static void wpa_supplicant_start_autoscan(struct wpa_supplicant
*wpa_s
)
740 if (autoscan_init(wpa_s
, 0))
741 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize autoscan");
745 static void wpa_supplicant_stop_autoscan(struct wpa_supplicant
*wpa_s
)
747 autoscan_deinit(wpa_s
);
751 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant
*wpa_s
)
753 if (wpa_s
->wpa_state
== WPA_DISCONNECTED
||
754 wpa_s
->wpa_state
== WPA_SCANNING
) {
755 autoscan_deinit(wpa_s
);
756 wpa_supplicant_start_autoscan(wpa_s
);
762 * wpa_supplicant_set_state - Set current connection state
763 * @wpa_s: Pointer to wpa_supplicant data
764 * @state: The new connection state
766 * This function is called whenever the connection state changes, e.g.,
767 * association is completed for WPA/WPA2 4-Way Handshake is started.
769 void wpa_supplicant_set_state(struct wpa_supplicant
*wpa_s
,
770 enum wpa_states state
)
772 enum wpa_states old_state
= wpa_s
->wpa_state
;
774 wpa_dbg(wpa_s
, MSG_DEBUG
, "State: %s -> %s",
775 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
776 wpa_supplicant_state_txt(state
));
778 if (state
== WPA_INTERFACE_DISABLED
) {
779 /* Assure normal scan when interface is restored */
780 wpa_s
->normal_scans
= 0;
783 if (state
== WPA_COMPLETED
) {
784 wpas_connect_work_done(wpa_s
);
785 /* Reinitialize normal_scan counter */
786 wpa_s
->normal_scans
= 0;
791 * P2PS client has to reply to Probe Request frames received on the
792 * group operating channel. Enable Probe Request frame reporting for
793 * P2P connected client in case p2p_cli_probe configuration property is
796 if (wpa_s
->conf
->p2p_cli_probe
&& wpa_s
->current_ssid
&&
797 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
798 wpa_s
->current_ssid
->p2p_group
) {
799 if (state
== WPA_COMPLETED
&& !wpa_s
->p2p_cli_probe
) {
800 wpa_dbg(wpa_s
, MSG_DEBUG
,
801 "P2P: Enable CLI Probe Request RX reporting");
802 wpa_s
->p2p_cli_probe
=
803 wpa_drv_probe_req_report(wpa_s
, 1) >= 0;
804 } else if (state
!= WPA_COMPLETED
&& wpa_s
->p2p_cli_probe
) {
805 wpa_dbg(wpa_s
, MSG_DEBUG
,
806 "P2P: Disable CLI Probe Request RX reporting");
807 wpa_s
->p2p_cli_probe
= 0;
808 wpa_drv_probe_req_report(wpa_s
, 0);
811 #endif /* CONFIG_P2P */
813 if (state
!= WPA_SCANNING
)
814 wpa_supplicant_notify_scanning(wpa_s
, 0);
816 if (state
== WPA_COMPLETED
&& wpa_s
->new_connection
) {
817 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
818 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
819 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_CONNECTED
"- Connection to "
820 MACSTR
" completed [id=%d id_str=%s]",
821 MAC2STR(wpa_s
->bssid
),
822 ssid
? ssid
->id
: -1,
823 ssid
&& ssid
->id_str
? ssid
->id_str
: "");
824 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
825 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
826 wpa_blacklist_clear(wpa_s
);
827 wpa_s
->extra_blacklist_count
= 0;
828 wpa_s
->new_connection
= 0;
829 wpa_drv_set_operstate(wpa_s
, 1);
830 #ifndef IEEE8021X_EAPOL
831 wpa_drv_set_supp_port(wpa_s
, 1);
832 #endif /* IEEE8021X_EAPOL */
833 wpa_s
->after_wps
= 0;
834 wpa_s
->known_wps_freq
= 0;
835 wpas_p2p_completed(wpa_s
);
837 sme_sched_obss_scan(wpa_s
, 1);
838 } else if (state
== WPA_DISCONNECTED
|| state
== WPA_ASSOCIATING
||
839 state
== WPA_ASSOCIATED
) {
840 wpa_s
->new_connection
= 1;
841 wpa_drv_set_operstate(wpa_s
, 0);
842 #ifndef IEEE8021X_EAPOL
843 wpa_drv_set_supp_port(wpa_s
, 0);
844 #endif /* IEEE8021X_EAPOL */
845 sme_sched_obss_scan(wpa_s
, 0);
847 wpa_s
->wpa_state
= state
;
850 if (state
== WPA_COMPLETED
)
851 wpa_supplicant_start_bgscan(wpa_s
);
852 else if (state
< WPA_ASSOCIATED
)
853 wpa_supplicant_stop_bgscan(wpa_s
);
854 #endif /* CONFIG_BGSCAN */
856 if (state
== WPA_AUTHENTICATING
)
857 wpa_supplicant_stop_autoscan(wpa_s
);
859 if (state
== WPA_DISCONNECTED
|| state
== WPA_INACTIVE
)
860 wpa_supplicant_start_autoscan(wpa_s
);
862 if (old_state
>= WPA_ASSOCIATED
&& wpa_s
->wpa_state
< WPA_ASSOCIATED
)
863 wmm_ac_notify_disassoc(wpa_s
);
865 if (wpa_s
->wpa_state
!= old_state
) {
866 wpas_notify_state_changed(wpa_s
, wpa_s
->wpa_state
, old_state
);
869 * Notify the P2P Device interface about a state change in one
872 wpas_p2p_indicate_state_change(wpa_s
);
874 if (wpa_s
->wpa_state
== WPA_COMPLETED
||
875 old_state
== WPA_COMPLETED
)
876 wpas_notify_auth_changed(wpa_s
);
881 void wpa_supplicant_terminate_proc(struct wpa_global
*global
)
885 struct wpa_supplicant
*wpa_s
= global
->ifaces
;
887 struct wpa_supplicant
*next
= wpa_s
->next
;
888 if (wpas_wps_terminate_pending(wpa_s
) == 1)
891 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
||
892 (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->p2p_group
))
893 wpas_p2p_disconnect(wpa_s
);
894 #endif /* CONFIG_P2P */
897 #endif /* CONFIG_WPS */
904 static void wpa_supplicant_terminate(int sig
, void *signal_ctx
)
906 struct wpa_global
*global
= signal_ctx
;
907 wpa_supplicant_terminate_proc(global
);
911 void wpa_supplicant_clear_status(struct wpa_supplicant
*wpa_s
)
913 enum wpa_states old_state
= wpa_s
->wpa_state
;
915 wpa_s
->pairwise_cipher
= 0;
916 wpa_s
->group_cipher
= 0;
917 wpa_s
->mgmt_group_cipher
= 0;
919 if (wpa_s
->wpa_state
!= WPA_INTERFACE_DISABLED
)
920 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
922 if (wpa_s
->wpa_state
!= old_state
)
923 wpas_notify_state_changed(wpa_s
, wpa_s
->wpa_state
, old_state
);
928 * wpa_supplicant_reload_configuration - Reload configuration data
929 * @wpa_s: Pointer to wpa_supplicant data
930 * Returns: 0 on success or -1 if configuration parsing failed
932 * This function can be used to request that the configuration data is reloaded
933 * (e.g., after configuration file change). This function is reloading
934 * configuration only for one interface, so this may need to be called multiple
935 * times if %wpa_supplicant is controlling multiple interfaces and all
936 * interfaces need reconfiguration.
938 int wpa_supplicant_reload_configuration(struct wpa_supplicant
*wpa_s
)
940 struct wpa_config
*conf
;
944 if (wpa_s
->confname
== NULL
)
946 conf
= wpa_config_read(wpa_s
->confname
, NULL
);
948 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to parse the configuration "
949 "file '%s' - exiting", wpa_s
->confname
);
952 wpa_config_read(wpa_s
->confanother
, conf
);
954 conf
->changed_parameters
= (unsigned int) -1;
956 reconf_ctrl
= !!conf
->ctrl_interface
!= !!wpa_s
->conf
->ctrl_interface
957 || (conf
->ctrl_interface
&& wpa_s
->conf
->ctrl_interface
&&
958 os_strcmp(conf
->ctrl_interface
,
959 wpa_s
->conf
->ctrl_interface
) != 0);
961 if (reconf_ctrl
&& wpa_s
->ctrl_iface
) {
962 wpa_supplicant_ctrl_iface_deinit(wpa_s
->ctrl_iface
);
963 wpa_s
->ctrl_iface
= NULL
;
966 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
967 if (wpa_s
->current_ssid
) {
968 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
969 wpa_s
->own_disconnect_req
= 1;
970 wpa_supplicant_deauthenticate(wpa_s
,
971 WLAN_REASON_DEAUTH_LEAVING
);
975 * TODO: should notify EAPOL SM about changes in opensc_engine_path,
976 * pkcs11_engine_path, pkcs11_module_path, openssl_ciphers.
978 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
)) {
980 * Clear forced success to clear EAP state for next
983 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
985 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
986 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
987 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, NULL
);
988 wpa_sm_set_fast_reauth(wpa_s
->wpa
, wpa_s
->conf
->fast_reauth
);
989 rsn_preauth_deinit(wpa_s
->wpa
);
991 old_ap_scan
= wpa_s
->conf
->ap_scan
;
992 wpa_config_free(wpa_s
->conf
);
994 if (old_ap_scan
!= wpa_s
->conf
->ap_scan
)
995 wpas_notify_ap_scan_changed(wpa_s
);
998 wpa_s
->ctrl_iface
= wpa_supplicant_ctrl_iface_init(wpa_s
);
1000 wpa_supplicant_update_config(wpa_s
);
1002 wpa_supplicant_clear_status(wpa_s
);
1003 if (wpa_supplicant_enabled_networks(wpa_s
)) {
1004 wpa_s
->reassociate
= 1;
1005 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1007 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reconfiguration completed");
1012 static void wpa_supplicant_reconfig(int sig
, void *signal_ctx
)
1014 struct wpa_global
*global
= signal_ctx
;
1015 struct wpa_supplicant
*wpa_s
;
1016 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
1017 wpa_dbg(wpa_s
, MSG_DEBUG
, "Signal %d received - reconfiguring",
1019 if (wpa_supplicant_reload_configuration(wpa_s
) < 0) {
1020 wpa_supplicant_terminate_proc(global
);
1024 if (wpa_debug_reopen_file() < 0) {
1025 /* Ignore errors since we cannot really do much to fix this */
1026 wpa_printf(MSG_DEBUG
, "Could not reopen debug log file");
1031 static int wpa_supplicant_suites_from_ai(struct wpa_supplicant
*wpa_s
,
1032 struct wpa_ssid
*ssid
,
1033 struct wpa_ie_data
*ie
)
1035 int ret
= wpa_sm_parse_own_wpa_ie(wpa_s
->wpa
, ie
);
1038 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Failed to parse WPA IE "
1039 "from association info");
1044 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Using WPA IE from AssocReq to set "
1046 if (!(ie
->group_cipher
& ssid
->group_cipher
)) {
1047 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled group "
1048 "cipher 0x%x (mask 0x%x) - reject",
1049 ie
->group_cipher
, ssid
->group_cipher
);
1052 if (!(ie
->pairwise_cipher
& ssid
->pairwise_cipher
)) {
1053 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled pairwise "
1054 "cipher 0x%x (mask 0x%x) - reject",
1055 ie
->pairwise_cipher
, ssid
->pairwise_cipher
);
1058 if (!(ie
->key_mgmt
& ssid
->key_mgmt
)) {
1059 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled key "
1060 "management 0x%x (mask 0x%x) - reject",
1061 ie
->key_mgmt
, ssid
->key_mgmt
);
1065 #ifdef CONFIG_IEEE80211W
1066 if (!(ie
->capabilities
& WPA_CAPABILITY_MFPC
) &&
1067 wpas_get_ssid_pmf(wpa_s
, ssid
) == MGMT_FRAME_PROTECTION_REQUIRED
) {
1068 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver associated with an AP "
1069 "that does not support management frame protection - "
1073 #endif /* CONFIG_IEEE80211W */
1080 * wpa_supplicant_set_suites - Set authentication and encryption parameters
1081 * @wpa_s: Pointer to wpa_supplicant data
1082 * @bss: Scan results for the selected BSS, or %NULL if not available
1083 * @ssid: Configuration data for the selected network
1084 * @wpa_ie: Buffer for the WPA/RSN IE
1085 * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the
1086 * used buffer length in case the functions returns success.
1087 * Returns: 0 on success or -1 on failure
1089 * This function is used to configure authentication and encryption parameters
1090 * based on the network configuration and scan result for the selected BSS (if
1093 int wpa_supplicant_set_suites(struct wpa_supplicant
*wpa_s
,
1094 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
,
1095 u8
*wpa_ie
, size_t *wpa_ie_len
)
1097 struct wpa_ie_data ie
;
1099 const u8
*bss_wpa
, *bss_rsn
, *bss_osen
;
1102 bss_wpa
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
1103 bss_rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
1104 bss_osen
= wpa_bss_get_vendor_ie(bss
, OSEN_IE_VENDOR_TYPE
);
1106 bss_wpa
= bss_rsn
= bss_osen
= NULL
;
1108 if (bss_rsn
&& (ssid
->proto
& WPA_PROTO_RSN
) &&
1109 wpa_parse_wpa_ie(bss_rsn
, 2 + bss_rsn
[1], &ie
) == 0 &&
1110 (ie
.group_cipher
& ssid
->group_cipher
) &&
1111 (ie
.pairwise_cipher
& ssid
->pairwise_cipher
) &&
1112 (ie
.key_mgmt
& ssid
->key_mgmt
)) {
1113 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using IEEE 802.11i/D9.0");
1114 proto
= WPA_PROTO_RSN
;
1115 } else if (bss_wpa
&& (ssid
->proto
& WPA_PROTO_WPA
) &&
1116 wpa_parse_wpa_ie(bss_wpa
, 2 + bss_wpa
[1], &ie
) == 0 &&
1117 (ie
.group_cipher
& ssid
->group_cipher
) &&
1118 (ie
.pairwise_cipher
& ssid
->pairwise_cipher
) &&
1119 (ie
.key_mgmt
& ssid
->key_mgmt
)) {
1120 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using IEEE 802.11i/D3.0");
1121 proto
= WPA_PROTO_WPA
;
1123 } else if (bss_osen
&& (ssid
->proto
& WPA_PROTO_OSEN
)) {
1124 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: using OSEN");
1125 /* TODO: parse OSEN element */
1126 os_memset(&ie
, 0, sizeof(ie
));
1127 ie
.group_cipher
= WPA_CIPHER_CCMP
;
1128 ie
.pairwise_cipher
= WPA_CIPHER_CCMP
;
1129 ie
.key_mgmt
= WPA_KEY_MGMT_OSEN
;
1130 proto
= WPA_PROTO_OSEN
;
1131 #endif /* CONFIG_HS20 */
1133 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select WPA/RSN");
1134 wpa_dbg(wpa_s
, MSG_DEBUG
,
1135 "WPA: ssid proto=0x%x pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
1136 ssid
->proto
, ssid
->pairwise_cipher
, ssid
->group_cipher
,
1138 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: BSS " MACSTR
" ssid='%s'%s%s%s",
1139 MAC2STR(bss
->bssid
),
1140 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
),
1141 bss_wpa
? " WPA" : "",
1142 bss_rsn
? " RSN" : "",
1143 bss_osen
? " OSEN" : "");
1145 wpa_hexdump(MSG_DEBUG
, "RSN", bss_rsn
, 2 + bss_rsn
[1]);
1146 if (wpa_parse_wpa_ie(bss_rsn
, 2 + bss_rsn
[1], &ie
)) {
1147 wpa_dbg(wpa_s
, MSG_DEBUG
,
1148 "Could not parse RSN element");
1150 wpa_dbg(wpa_s
, MSG_DEBUG
,
1151 "RSN: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
1152 ie
.pairwise_cipher
, ie
.group_cipher
,
1157 wpa_hexdump(MSG_DEBUG
, "WPA", bss_wpa
, 2 + bss_wpa
[1]);
1158 if (wpa_parse_wpa_ie(bss_wpa
, 2 + bss_wpa
[1], &ie
)) {
1159 wpa_dbg(wpa_s
, MSG_DEBUG
,
1160 "Could not parse WPA element");
1162 wpa_dbg(wpa_s
, MSG_DEBUG
,
1163 "WPA: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
1164 ie
.pairwise_cipher
, ie
.group_cipher
,
1170 if (ssid
->proto
& WPA_PROTO_OSEN
)
1171 proto
= WPA_PROTO_OSEN
;
1172 else if (ssid
->proto
& WPA_PROTO_RSN
)
1173 proto
= WPA_PROTO_RSN
;
1175 proto
= WPA_PROTO_WPA
;
1176 if (wpa_supplicant_suites_from_ai(wpa_s
, ssid
, &ie
) < 0) {
1177 os_memset(&ie
, 0, sizeof(ie
));
1178 ie
.group_cipher
= ssid
->group_cipher
;
1179 ie
.pairwise_cipher
= ssid
->pairwise_cipher
;
1180 ie
.key_mgmt
= ssid
->key_mgmt
;
1181 #ifdef CONFIG_IEEE80211W
1182 ie
.mgmt_group_cipher
=
1183 ssid
->ieee80211w
!= NO_MGMT_FRAME_PROTECTION
?
1184 WPA_CIPHER_AES_128_CMAC
: 0;
1185 #endif /* CONFIG_IEEE80211W */
1186 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Set cipher suites "
1187 "based on configuration");
1192 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected cipher suites: group %d "
1193 "pairwise %d key_mgmt %d proto %d",
1194 ie
.group_cipher
, ie
.pairwise_cipher
, ie
.key_mgmt
, proto
);
1195 #ifdef CONFIG_IEEE80211W
1196 if (ssid
->ieee80211w
) {
1197 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected mgmt group cipher %d",
1198 ie
.mgmt_group_cipher
);
1200 #endif /* CONFIG_IEEE80211W */
1202 wpa_s
->wpa_proto
= proto
;
1203 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PROTO
, proto
);
1204 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_RSN_ENABLED
,
1205 !!(ssid
->proto
& (WPA_PROTO_RSN
| WPA_PROTO_OSEN
)));
1207 if (bss
|| !wpa_s
->ap_ies_from_associnfo
) {
1208 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, bss_wpa
,
1209 bss_wpa
? 2 + bss_wpa
[1] : 0) ||
1210 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, bss_rsn
,
1211 bss_rsn
? 2 + bss_rsn
[1] : 0))
1215 #ifdef CONFIG_NO_WPA
1216 wpa_s
->group_cipher
= WPA_CIPHER_NONE
;
1217 wpa_s
->pairwise_cipher
= WPA_CIPHER_NONE
;
1218 #else /* CONFIG_NO_WPA */
1219 sel
= ie
.group_cipher
& ssid
->group_cipher
;
1220 wpa_s
->group_cipher
= wpa_pick_group_cipher(sel
);
1221 if (wpa_s
->group_cipher
< 0) {
1222 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select group "
1226 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK %s",
1227 wpa_cipher_txt(wpa_s
->group_cipher
));
1229 sel
= ie
.pairwise_cipher
& ssid
->pairwise_cipher
;
1230 wpa_s
->pairwise_cipher
= wpa_pick_pairwise_cipher(sel
, 1);
1231 if (wpa_s
->pairwise_cipher
< 0) {
1232 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select pairwise "
1236 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using PTK %s",
1237 wpa_cipher_txt(wpa_s
->pairwise_cipher
));
1238 #endif /* CONFIG_NO_WPA */
1240 sel
= ie
.key_mgmt
& ssid
->key_mgmt
;
1242 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SAE
))
1243 sel
&= ~(WPA_KEY_MGMT_SAE
| WPA_KEY_MGMT_FT_SAE
);
1244 #endif /* CONFIG_SAE */
1246 #ifdef CONFIG_SUITEB192
1247 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
) {
1248 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
;
1249 wpa_dbg(wpa_s
, MSG_DEBUG
,
1250 "WPA: using KEY_MGMT 802.1X with Suite B (192-bit)");
1251 #endif /* CONFIG_SUITEB192 */
1252 #ifdef CONFIG_SUITEB
1253 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SUITE_B
) {
1254 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SUITE_B
;
1255 wpa_dbg(wpa_s
, MSG_DEBUG
,
1256 "WPA: using KEY_MGMT 802.1X with Suite B");
1257 #endif /* CONFIG_SUITEB */
1259 #ifdef CONFIG_IEEE80211R
1260 } else if (sel
& WPA_KEY_MGMT_FT_FILS_SHA384
) {
1261 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_FILS_SHA384
;
1262 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT-FILS-SHA384");
1263 } else if (sel
& WPA_KEY_MGMT_FT_FILS_SHA256
) {
1264 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_FILS_SHA256
;
1265 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT-FILS-SHA256");
1266 #endif /* CONFIG_IEEE80211R */
1267 } else if (sel
& WPA_KEY_MGMT_FILS_SHA384
) {
1268 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FILS_SHA384
;
1269 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FILS-SHA384");
1270 } else if (sel
& WPA_KEY_MGMT_FILS_SHA256
) {
1271 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FILS_SHA256
;
1272 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FILS-SHA256");
1273 #endif /* CONFIG_FILS */
1274 #ifdef CONFIG_IEEE80211R
1275 } else if (sel
& WPA_KEY_MGMT_FT_IEEE8021X
) {
1276 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_IEEE8021X
;
1277 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT/802.1X");
1278 } else if (sel
& WPA_KEY_MGMT_FT_PSK
) {
1279 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_PSK
;
1280 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT/PSK");
1281 #endif /* CONFIG_IEEE80211R */
1283 } else if (sel
& WPA_KEY_MGMT_SAE
) {
1284 wpa_s
->key_mgmt
= WPA_KEY_MGMT_SAE
;
1285 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using KEY_MGMT SAE");
1286 } else if (sel
& WPA_KEY_MGMT_FT_SAE
) {
1287 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_SAE
;
1288 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using KEY_MGMT FT/SAE");
1289 #endif /* CONFIG_SAE */
1290 #ifdef CONFIG_IEEE80211W
1291 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SHA256
) {
1292 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SHA256
;
1293 wpa_dbg(wpa_s
, MSG_DEBUG
,
1294 "WPA: using KEY_MGMT 802.1X with SHA256");
1295 } else if (sel
& WPA_KEY_MGMT_PSK_SHA256
) {
1296 wpa_s
->key_mgmt
= WPA_KEY_MGMT_PSK_SHA256
;
1297 wpa_dbg(wpa_s
, MSG_DEBUG
,
1298 "WPA: using KEY_MGMT PSK with SHA256");
1299 #endif /* CONFIG_IEEE80211W */
1300 } else if (sel
& WPA_KEY_MGMT_IEEE8021X
) {
1301 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X
;
1302 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT 802.1X");
1303 } else if (sel
& WPA_KEY_MGMT_PSK
) {
1304 wpa_s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1305 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT WPA-PSK");
1306 } else if (sel
& WPA_KEY_MGMT_WPA_NONE
) {
1307 wpa_s
->key_mgmt
= WPA_KEY_MGMT_WPA_NONE
;
1308 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT WPA-NONE");
1310 } else if (sel
& WPA_KEY_MGMT_OSEN
) {
1311 wpa_s
->key_mgmt
= WPA_KEY_MGMT_OSEN
;
1312 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: using KEY_MGMT OSEN");
1313 #endif /* CONFIG_HS20 */
1315 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select "
1316 "authenticated key management type");
1320 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_KEY_MGMT
, wpa_s
->key_mgmt
);
1321 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PAIRWISE
,
1322 wpa_s
->pairwise_cipher
);
1323 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_GROUP
, wpa_s
->group_cipher
);
1325 #ifdef CONFIG_IEEE80211W
1326 sel
= ie
.mgmt_group_cipher
;
1327 if (wpas_get_ssid_pmf(wpa_s
, ssid
) == NO_MGMT_FRAME_PROTECTION
||
1328 !(ie
.capabilities
& WPA_CAPABILITY_MFPC
))
1330 if (sel
& WPA_CIPHER_AES_128_CMAC
) {
1331 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_AES_128_CMAC
;
1332 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1334 } else if (sel
& WPA_CIPHER_BIP_GMAC_128
) {
1335 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_BIP_GMAC_128
;
1336 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1338 } else if (sel
& WPA_CIPHER_BIP_GMAC_256
) {
1339 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_BIP_GMAC_256
;
1340 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1342 } else if (sel
& WPA_CIPHER_BIP_CMAC_256
) {
1343 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_BIP_CMAC_256
;
1344 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1347 wpa_s
->mgmt_group_cipher
= 0;
1348 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: not using MGMT group cipher");
1350 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MGMT_GROUP
,
1351 wpa_s
->mgmt_group_cipher
);
1352 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MFP
,
1353 wpas_get_ssid_pmf(wpa_s
, ssid
));
1354 #endif /* CONFIG_IEEE80211W */
1356 if (wpa_sm_set_assoc_wpa_ie_default(wpa_s
->wpa
, wpa_ie
, wpa_ie_len
)) {
1357 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to generate WPA IE");
1361 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
)) {
1364 if (ssid
->psk_set
) {
1365 wpa_sm_set_pmk(wpa_s
->wpa
, ssid
->psk
, PMK_LEN
, NULL
,
1369 #ifndef CONFIG_NO_PBKDF2
1370 if (bss
&& ssid
->bssid_set
&& ssid
->ssid_len
== 0 &&
1373 pbkdf2_sha1(ssid
->passphrase
, bss
->ssid
, bss
->ssid_len
,
1374 4096, psk
, PMK_LEN
);
1375 wpa_hexdump_key(MSG_MSGDUMP
, "PSK (from passphrase)",
1377 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
, NULL
, NULL
);
1379 os_memset(psk
, 0, sizeof(psk
));
1381 #endif /* CONFIG_NO_PBKDF2 */
1382 #ifdef CONFIG_EXT_PASSWORD
1383 if (ssid
->ext_psk
) {
1384 struct wpabuf
*pw
= ext_password_get(wpa_s
->ext_pw
,
1386 char pw_str
[64 + 1];
1390 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: No PSK "
1391 "found from external storage");
1395 if (wpabuf_len(pw
) < 8 || wpabuf_len(pw
) > 64) {
1396 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: Unexpected "
1397 "PSK length %d in external storage",
1398 (int) wpabuf_len(pw
));
1399 ext_password_free(pw
);
1403 os_memcpy(pw_str
, wpabuf_head(pw
), wpabuf_len(pw
));
1404 pw_str
[wpabuf_len(pw
)] = '\0';
1406 #ifndef CONFIG_NO_PBKDF2
1407 if (wpabuf_len(pw
) >= 8 && wpabuf_len(pw
) < 64 && bss
)
1409 pbkdf2_sha1(pw_str
, bss
->ssid
, bss
->ssid_len
,
1410 4096, psk
, PMK_LEN
);
1411 os_memset(pw_str
, 0, sizeof(pw_str
));
1412 wpa_hexdump_key(MSG_MSGDUMP
, "PSK (from "
1413 "external passphrase)",
1415 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
, NULL
,
1418 os_memset(psk
, 0, sizeof(psk
));
1420 #endif /* CONFIG_NO_PBKDF2 */
1421 if (wpabuf_len(pw
) == 2 * PMK_LEN
) {
1422 if (hexstr2bin(pw_str
, psk
, PMK_LEN
) < 0) {
1423 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: "
1424 "Invalid PSK hex string");
1425 os_memset(pw_str
, 0, sizeof(pw_str
));
1426 ext_password_free(pw
);
1429 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
, NULL
,
1432 os_memset(psk
, 0, sizeof(psk
));
1434 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: No suitable "
1436 os_memset(pw_str
, 0, sizeof(pw_str
));
1437 ext_password_free(pw
);
1441 os_memset(pw_str
, 0, sizeof(pw_str
));
1442 ext_password_free(pw
);
1444 #endif /* CONFIG_EXT_PASSWORD */
1447 wpa_msg(wpa_s
, MSG_INFO
,
1448 "No PSK available for association");
1452 wpa_sm_set_pmk_from_pmksa(wpa_s
->wpa
);
1458 static void wpas_ext_capab_byte(struct wpa_supplicant
*wpa_s
, u8
*pos
, int idx
)
1463 case 0: /* Bits 0-7 */
1465 case 1: /* Bits 8-15 */
1467 case 2: /* Bits 16-23 */
1469 *pos
|= 0x02; /* Bit 17 - WNM-Sleep Mode */
1470 *pos
|= 0x08; /* Bit 19 - BSS Transition */
1471 #endif /* CONFIG_WNM */
1473 case 3: /* Bits 24-31 */
1475 *pos
|= 0x02; /* Bit 25 - SSID List */
1476 #endif /* CONFIG_WNM */
1477 #ifdef CONFIG_INTERWORKING
1478 if (wpa_s
->conf
->interworking
)
1479 *pos
|= 0x80; /* Bit 31 - Interworking */
1480 #endif /* CONFIG_INTERWORKING */
1482 case 4: /* Bits 32-39 */
1483 #ifdef CONFIG_INTERWORKING
1484 if (wpa_s
->drv_flags
/ WPA_DRIVER_FLAGS_QOS_MAPPING
)
1485 *pos
|= 0x01; /* Bit 32 - QoS Map */
1486 #endif /* CONFIG_INTERWORKING */
1488 case 5: /* Bits 40-47 */
1490 if (wpa_s
->conf
->hs20
)
1491 *pos
|= 0x40; /* Bit 46 - WNM-Notification */
1492 #endif /* CONFIG_HS20 */
1494 *pos
|= 0x40; /* Bit 46 - WNM-Notification */
1495 #endif /* CONFIG_MBO */
1497 case 6: /* Bits 48-55 */
1499 case 7: /* Bits 56-63 */
1501 case 8: /* Bits 64-71 */
1502 if (wpa_s
->conf
->ftm_responder
)
1503 *pos
|= 0x40; /* Bit 70 - FTM responder */
1504 if (wpa_s
->conf
->ftm_initiator
)
1505 *pos
|= 0x80; /* Bit 71 - FTM initiator */
1507 case 9: /* Bits 72-79 */
1510 #endif /* CONFIG_FILS */
1516 int wpas_build_ext_capab(struct wpa_supplicant
*wpa_s
, u8
*buf
, size_t buflen
)
1521 if (len
< wpa_s
->extended_capa_len
)
1522 len
= wpa_s
->extended_capa_len
;
1523 if (buflen
< (size_t) len
+ 2) {
1524 wpa_printf(MSG_INFO
,
1525 "Not enough room for building extended capabilities element");
1529 *pos
++ = WLAN_EID_EXT_CAPAB
;
1531 for (i
= 0; i
< len
; i
++, pos
++) {
1532 wpas_ext_capab_byte(wpa_s
, pos
, i
);
1534 if (i
< wpa_s
->extended_capa_len
) {
1535 *pos
&= ~wpa_s
->extended_capa_mask
[i
];
1536 *pos
|= wpa_s
->extended_capa
[i
];
1540 while (len
> 0 && buf
[1 + len
] == 0) {
1551 static int wpas_valid_bss(struct wpa_supplicant
*wpa_s
,
1552 struct wpa_bss
*test_bss
)
1554 struct wpa_bss
*bss
;
1556 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1557 if (bss
== test_bss
)
1565 static int wpas_valid_ssid(struct wpa_supplicant
*wpa_s
,
1566 struct wpa_ssid
*test_ssid
)
1568 struct wpa_ssid
*ssid
;
1570 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1571 if (ssid
== test_ssid
)
1579 int wpas_valid_bss_ssid(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*test_bss
,
1580 struct wpa_ssid
*test_ssid
)
1582 if (test_bss
&& !wpas_valid_bss(wpa_s
, test_bss
))
1585 return test_ssid
== NULL
|| wpas_valid_ssid(wpa_s
, test_ssid
);
1589 void wpas_connect_work_free(struct wpa_connect_work
*cwork
)
1597 void wpas_connect_work_done(struct wpa_supplicant
*wpa_s
)
1599 struct wpa_connect_work
*cwork
;
1600 struct wpa_radio_work
*work
= wpa_s
->connect_work
;
1605 wpa_s
->connect_work
= NULL
;
1608 wpas_connect_work_free(cwork
);
1609 radio_work_done(work
);
1613 int wpas_update_random_addr(struct wpa_supplicant
*wpa_s
, int style
)
1615 struct os_reltime now
;
1618 os_get_reltime(&now
);
1619 if (wpa_s
->last_mac_addr_style
== style
&&
1620 wpa_s
->last_mac_addr_change
.sec
!= 0 &&
1621 !os_reltime_expired(&now
, &wpa_s
->last_mac_addr_change
,
1622 wpa_s
->conf
->rand_addr_lifetime
)) {
1623 wpa_msg(wpa_s
, MSG_DEBUG
,
1624 "Previously selected random MAC address has not yet expired");
1630 if (random_mac_addr(addr
) < 0)
1634 os_memcpy(addr
, wpa_s
->perm_addr
, ETH_ALEN
);
1635 if (random_mac_addr_keep_oui(addr
) < 0)
1642 if (wpa_drv_set_mac_addr(wpa_s
, addr
) < 0) {
1643 wpa_msg(wpa_s
, MSG_INFO
,
1644 "Failed to set random MAC address");
1648 os_get_reltime(&wpa_s
->last_mac_addr_change
);
1649 wpa_s
->mac_addr_changed
= 1;
1650 wpa_s
->last_mac_addr_style
= style
;
1652 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0) {
1653 wpa_msg(wpa_s
, MSG_INFO
,
1654 "Could not update MAC address information");
1658 wpa_msg(wpa_s
, MSG_DEBUG
, "Using random MAC address " MACSTR
,
1665 int wpas_update_random_addr_disassoc(struct wpa_supplicant
*wpa_s
)
1667 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
||
1668 !wpa_s
->conf
->preassoc_mac_addr
)
1671 return wpas_update_random_addr(wpa_s
, wpa_s
->conf
->preassoc_mac_addr
);
1675 static void wpas_start_assoc_cb(struct wpa_radio_work
*work
, int deinit
);
1678 * wpa_supplicant_associate - Request association
1679 * @wpa_s: Pointer to wpa_supplicant data
1680 * @bss: Scan results for the selected BSS, or %NULL if not available
1681 * @ssid: Configuration data for the selected network
1683 * This function is used to request %wpa_supplicant to associate with a BSS.
1685 void wpa_supplicant_associate(struct wpa_supplicant
*wpa_s
,
1686 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
)
1688 struct wpa_connect_work
*cwork
;
1691 wpa_s
->own_disconnect_req
= 0;
1694 * If we are starting a new connection, any previously pending EAPOL
1695 * RX cannot be valid anymore.
1697 wpabuf_free(wpa_s
->pending_eapol_rx
);
1698 wpa_s
->pending_eapol_rx
= NULL
;
1700 if (ssid
->mac_addr
== -1)
1701 rand_style
= wpa_s
->conf
->mac_addr
;
1703 rand_style
= ssid
->mac_addr
;
1705 wmm_ac_clear_saved_tspecs(wpa_s
);
1706 wpa_s
->reassoc_same_bss
= 0;
1707 wpa_s
->reassoc_same_ess
= 0;
1709 if (wpa_s
->last_ssid
== ssid
) {
1710 wpa_dbg(wpa_s
, MSG_DEBUG
, "Re-association to the same ESS");
1711 wpa_s
->reassoc_same_ess
= 1;
1712 if (wpa_s
->current_bss
&& wpa_s
->current_bss
== bss
) {
1713 wmm_ac_save_tspecs(wpa_s
);
1714 wpa_s
->reassoc_same_bss
= 1;
1718 if (rand_style
> 0 && !wpa_s
->reassoc_same_ess
) {
1719 if (wpas_update_random_addr(wpa_s
, rand_style
) < 0)
1721 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, ssid
);
1722 } else if (rand_style
== 0 && wpa_s
->mac_addr_changed
) {
1723 if (wpa_drv_set_mac_addr(wpa_s
, NULL
) < 0) {
1724 wpa_msg(wpa_s
, MSG_INFO
,
1725 "Could not restore permanent MAC address");
1728 wpa_s
->mac_addr_changed
= 0;
1729 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0) {
1730 wpa_msg(wpa_s
, MSG_INFO
,
1731 "Could not update MAC address information");
1734 wpa_msg(wpa_s
, MSG_DEBUG
, "Using permanent MAC address");
1736 wpa_s
->last_ssid
= ssid
;
1738 #ifdef CONFIG_IBSS_RSN
1739 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
1740 wpa_s
->ibss_rsn
= NULL
;
1741 #else /* CONFIG_IBSS_RSN */
1742 if (ssid
->mode
== WPAS_MODE_IBSS
&&
1743 !(ssid
->key_mgmt
& (WPA_KEY_MGMT_NONE
| WPA_KEY_MGMT_WPA_NONE
))) {
1744 wpa_msg(wpa_s
, MSG_INFO
,
1745 "IBSS RSN not supported in the build");
1748 #endif /* CONFIG_IBSS_RSN */
1750 if (ssid
->mode
== WPAS_MODE_AP
|| ssid
->mode
== WPAS_MODE_P2P_GO
||
1751 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1753 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_AP
)) {
1754 wpa_msg(wpa_s
, MSG_INFO
, "Driver does not support AP "
1758 if (wpa_supplicant_create_ap(wpa_s
, ssid
) < 0) {
1759 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1760 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
)
1761 wpas_p2p_ap_setup_failed(wpa_s
);
1764 wpa_s
->current_bss
= bss
;
1765 #else /* CONFIG_AP */
1766 wpa_msg(wpa_s
, MSG_ERROR
, "AP mode support not included in "
1768 #endif /* CONFIG_AP */
1772 if (ssid
->mode
== WPAS_MODE_MESH
) {
1774 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_MESH
)) {
1775 wpa_msg(wpa_s
, MSG_INFO
,
1776 "Driver does not support mesh mode");
1780 ssid
->frequency
= bss
->freq
;
1781 if (wpa_supplicant_join_mesh(wpa_s
, ssid
) < 0) {
1782 wpa_msg(wpa_s
, MSG_ERROR
, "Could not join mesh");
1785 wpa_s
->current_bss
= bss
;
1786 wpa_msg(wpa_s
, MSG_INFO
, MESH_GROUP_STARTED
"ssid=\"%s\" id=%d",
1787 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
1789 #else /* CONFIG_MESH */
1790 wpa_msg(wpa_s
, MSG_ERROR
,
1791 "mesh mode support not included in the build");
1792 #endif /* CONFIG_MESH */
1798 wpa_tdls_ap_ies(wpa_s
->wpa
, (const u8
*) (bss
+ 1),
1800 #endif /* CONFIG_TDLS */
1802 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
1803 ssid
->mode
== IEEE80211_MODE_INFRA
) {
1804 sme_authenticate(wpa_s
, bss
, ssid
);
1808 if (wpa_s
->connect_work
) {
1809 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reject wpa_supplicant_associate() call since connect_work exist");
1813 if (radio_work_pending(wpa_s
, "connect")) {
1814 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reject wpa_supplicant_associate() call since pending work exist");
1819 if (ssid
->mode
== WPAS_MODE_IBSS
|| ssid
->mode
== WPAS_MODE_MESH
) {
1820 /* Clear possibly set auth_alg, if any, from last attempt. */
1821 wpa_s
->sme
.auth_alg
= WPA_AUTH_ALG_OPEN
;
1823 #endif /* CONFIG_SME */
1825 wpas_abort_ongoing_scan(wpa_s
);
1827 cwork
= os_zalloc(sizeof(*cwork
));
1834 if (radio_add_work(wpa_s
, bss
? bss
->freq
: 0, "connect", 1,
1835 wpas_start_assoc_cb
, cwork
) < 0) {
1841 static int bss_is_ibss(struct wpa_bss
*bss
)
1843 return (bss
->caps
& (IEEE80211_CAP_ESS
| IEEE80211_CAP_IBSS
)) ==
1848 static int drv_supports_vht(struct wpa_supplicant
*wpa_s
,
1849 const struct wpa_ssid
*ssid
)
1851 enum hostapd_hw_mode hw_mode
;
1852 struct hostapd_hw_modes
*mode
= NULL
;
1856 #ifdef CONFIG_HT_OVERRIDES
1857 if (ssid
->disable_ht
)
1859 #endif /* CONFIG_HT_OVERRIDES */
1861 hw_mode
= ieee80211_freq_to_chan(ssid
->frequency
, &channel
);
1862 if (hw_mode
== NUM_HOSTAPD_MODES
)
1864 for (i
= 0; wpa_s
->hw
.modes
&& i
< wpa_s
->hw
.num_modes
; i
++) {
1865 if (wpa_s
->hw
.modes
[i
].mode
== hw_mode
) {
1866 mode
= &wpa_s
->hw
.modes
[i
];
1874 return mode
->vht_capab
!= 0;
1878 void ibss_mesh_setup_freq(struct wpa_supplicant
*wpa_s
,
1879 const struct wpa_ssid
*ssid
,
1880 struct hostapd_freq_params
*freq
)
1882 enum hostapd_hw_mode hw_mode
;
1883 struct hostapd_hw_modes
*mode
= NULL
;
1884 int ht40plus
[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157,
1886 int vht80
[] = { 36, 52, 100, 116, 132, 149 };
1887 struct hostapd_channel_data
*pri_chan
= NULL
, *sec_chan
= NULL
;
1889 int i
, chan_idx
, ht40
= -1, res
, obss_scan
= 1;
1891 struct hostapd_freq_params vht_freq
;
1892 int chwidth
, seg0
, seg1
;
1895 freq
->freq
= ssid
->frequency
;
1897 for (j
= 0; j
< wpa_s
->last_scan_res_used
; j
++) {
1898 struct wpa_bss
*bss
= wpa_s
->last_scan_res
[j
];
1900 if (ssid
->mode
!= WPAS_MODE_IBSS
)
1903 /* Don't adjust control freq in case of fixed_freq */
1904 if (ssid
->fixed_freq
)
1907 if (!bss_is_ibss(bss
))
1910 if (ssid
->ssid_len
== bss
->ssid_len
&&
1911 os_memcmp(ssid
->ssid
, bss
->ssid
, bss
->ssid_len
) == 0) {
1912 wpa_printf(MSG_DEBUG
,
1913 "IBSS already found in scan results, adjust control freq: %d",
1915 freq
->freq
= bss
->freq
;
1921 /* For IBSS check HT_IBSS flag */
1922 if (ssid
->mode
== WPAS_MODE_IBSS
&&
1923 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_HT_IBSS
))
1926 if (wpa_s
->group_cipher
== WPA_CIPHER_WEP40
||
1927 wpa_s
->group_cipher
== WPA_CIPHER_WEP104
||
1928 wpa_s
->pairwise_cipher
== WPA_CIPHER_TKIP
) {
1929 wpa_printf(MSG_DEBUG
,
1930 "IBSS: WEP/TKIP detected, do not try to enable HT");
1934 hw_mode
= ieee80211_freq_to_chan(freq
->freq
, &channel
);
1935 for (i
= 0; wpa_s
->hw
.modes
&& i
< wpa_s
->hw
.num_modes
; i
++) {
1936 if (wpa_s
->hw
.modes
[i
].mode
== hw_mode
) {
1937 mode
= &wpa_s
->hw
.modes
[i
];
1945 #ifdef CONFIG_HT_OVERRIDES
1946 if (ssid
->disable_ht
) {
1947 freq
->ht_enabled
= 0;
1950 #endif /* CONFIG_HT_OVERRIDES */
1952 freq
->ht_enabled
= ht_supported(mode
);
1953 if (!freq
->ht_enabled
)
1956 /* Setup higher BW only for 5 GHz */
1957 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
1960 for (chan_idx
= 0; chan_idx
< mode
->num_channels
; chan_idx
++) {
1961 pri_chan
= &mode
->channels
[chan_idx
];
1962 if (pri_chan
->chan
== channel
)
1969 /* Check primary channel flags */
1970 if (pri_chan
->flag
& (HOSTAPD_CHAN_DISABLED
| HOSTAPD_CHAN_NO_IR
))
1973 #ifdef CONFIG_HT_OVERRIDES
1974 if (ssid
->disable_ht40
)
1976 #endif /* CONFIG_HT_OVERRIDES */
1978 /* Check/setup HT40+/HT40- */
1979 for (j
= 0; j
< ARRAY_SIZE(ht40plus
); j
++) {
1980 if (ht40plus
[j
] == channel
) {
1986 /* Find secondary channel */
1987 for (i
= 0; i
< mode
->num_channels
; i
++) {
1988 sec_chan
= &mode
->channels
[i
];
1989 if (sec_chan
->chan
== channel
+ ht40
* 4)
1996 /* Check secondary channel flags */
1997 if (sec_chan
->flag
& (HOSTAPD_CHAN_DISABLED
| HOSTAPD_CHAN_NO_IR
))
2000 freq
->channel
= pri_chan
->chan
;
2003 if (!(pri_chan
->flag
& HOSTAPD_CHAN_HT40MINUS
))
2006 if (!(pri_chan
->flag
& HOSTAPD_CHAN_HT40PLUS
))
2009 freq
->sec_channel_offset
= ht40
;
2012 struct wpa_scan_results
*scan_res
;
2014 scan_res
= wpa_supplicant_get_scan_results(wpa_s
, NULL
, 0);
2015 if (scan_res
== NULL
) {
2017 freq
->sec_channel_offset
= 0;
2021 res
= check_40mhz_5g(mode
, scan_res
, pri_chan
->chan
,
2026 freq
->sec_channel_offset
= 0;
2029 /* Configuration allowed */
2032 /* Switch pri/sec channels */
2033 freq
->freq
= hw_get_freq(mode
, sec_chan
->chan
);
2034 freq
->sec_channel_offset
= -freq
->sec_channel_offset
;
2035 freq
->channel
= sec_chan
->chan
;
2038 freq
->sec_channel_offset
= 0;
2042 wpa_scan_results_free(scan_res
);
2045 wpa_printf(MSG_DEBUG
,
2046 "IBSS/mesh: setup freq channel %d, sec_channel_offset %d",
2047 freq
->channel
, freq
->sec_channel_offset
);
2049 if (!drv_supports_vht(wpa_s
, ssid
))
2052 /* For IBSS check VHT_IBSS flag */
2053 if (ssid
->mode
== WPAS_MODE_IBSS
&&
2054 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_VHT_IBSS
))
2059 vht_freq
.vht_enabled
= vht_supported(mode
);
2060 if (!vht_freq
.vht_enabled
)
2063 /* setup center_freq1, bandwidth */
2064 for (j
= 0; j
< ARRAY_SIZE(vht80
); j
++) {
2065 if (freq
->channel
>= vht80
[j
] &&
2066 freq
->channel
< vht80
[j
] + 16)
2070 if (j
== ARRAY_SIZE(vht80
))
2073 for (i
= vht80
[j
]; i
< vht80
[j
] + 16; i
+= 4) {
2074 struct hostapd_channel_data
*chan
;
2076 chan
= hw_get_channel_chan(mode
, i
, NULL
);
2080 /* Back to HT configuration if channel not usable */
2081 if (chan
->flag
& (HOSTAPD_CHAN_DISABLED
| HOSTAPD_CHAN_NO_IR
))
2085 chwidth
= VHT_CHANWIDTH_80MHZ
;
2086 seg0
= vht80
[j
] + 6;
2089 if (ssid
->max_oper_chwidth
== VHT_CHANWIDTH_80P80MHZ
) {
2090 /* setup center_freq2, bandwidth */
2091 for (k
= 0; k
< ARRAY_SIZE(vht80
); k
++) {
2092 /* Only accept 80 MHz segments separated by a gap */
2093 if (j
== k
|| abs(vht80
[j
] - vht80
[k
]) == 16)
2095 for (i
= vht80
[k
]; i
< vht80
[k
] + 16; i
+= 4) {
2096 struct hostapd_channel_data
*chan
;
2098 chan
= hw_get_channel_chan(mode
, i
, NULL
);
2102 if (chan
->flag
& (HOSTAPD_CHAN_DISABLED
|
2103 HOSTAPD_CHAN_NO_IR
|
2104 HOSTAPD_CHAN_RADAR
))
2107 /* Found a suitable second segment for 80+80 */
2108 chwidth
= VHT_CHANWIDTH_80P80MHZ
;
2110 VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ
;
2111 seg1
= vht80
[k
] + 6;
2114 if (chwidth
== VHT_CHANWIDTH_80P80MHZ
)
2117 } else if (ssid
->max_oper_chwidth
== VHT_CHANWIDTH_160MHZ
) {
2118 if (freq
->freq
== 5180) {
2119 chwidth
= VHT_CHANWIDTH_160MHZ
;
2120 vht_caps
|= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ
;
2122 } else if (freq
->freq
== 5520) {
2123 chwidth
= VHT_CHANWIDTH_160MHZ
;
2124 vht_caps
|= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ
;
2129 if (hostapd_set_freq_params(&vht_freq
, mode
->mode
, freq
->freq
,
2130 freq
->channel
, freq
->ht_enabled
,
2131 vht_freq
.vht_enabled
,
2132 freq
->sec_channel_offset
,
2133 chwidth
, seg0
, seg1
, vht_caps
) != 0)
2138 wpa_printf(MSG_DEBUG
, "IBSS: VHT setup freq cf1 %d, cf2 %d, bw %d",
2139 freq
->center_freq1
, freq
->center_freq2
, freq
->bandwidth
);
2143 static void wpas_start_assoc_cb(struct wpa_radio_work
*work
, int deinit
)
2145 struct wpa_connect_work
*cwork
= work
->ctx
;
2146 struct wpa_bss
*bss
= cwork
->bss
;
2147 struct wpa_ssid
*ssid
= cwork
->ssid
;
2148 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2151 int use_crypt
, ret
, i
, bssid_changed
;
2152 int algs
= WPA_AUTH_ALG_OPEN
;
2153 unsigned int cipher_pairwise
, cipher_group
;
2154 struct wpa_driver_associate_params params
;
2155 int wep_keys_set
= 0;
2156 int assoc_failed
= 0;
2157 struct wpa_ssid
*old_ssid
;
2158 u8 prev_bssid
[ETH_ALEN
];
2159 #ifdef CONFIG_HT_OVERRIDES
2160 struct ieee80211_ht_capabilities htcaps
;
2161 struct ieee80211_ht_capabilities htcaps_mask
;
2162 #endif /* CONFIG_HT_OVERRIDES */
2163 #ifdef CONFIG_VHT_OVERRIDES
2164 struct ieee80211_vht_capabilities vhtcaps
;
2165 struct ieee80211_vht_capabilities vhtcaps_mask
;
2166 #endif /* CONFIG_VHT_OVERRIDES */
2169 if (work
->started
) {
2170 wpa_s
->connect_work
= NULL
;
2172 /* cancel possible auth. timeout */
2173 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
,
2176 wpas_connect_work_free(cwork
);
2180 wpa_s
->connect_work
= work
;
2182 if (cwork
->bss_removed
|| !wpas_valid_bss_ssid(wpa_s
, bss
, ssid
) ||
2183 wpas_network_disabled(wpa_s
, ssid
)) {
2184 wpa_dbg(wpa_s
, MSG_DEBUG
, "BSS/SSID entry for association not valid anymore - drop connection attempt");
2185 wpas_connect_work_done(wpa_s
);
2189 os_memcpy(prev_bssid
, wpa_s
->bssid
, ETH_ALEN
);
2190 os_memset(¶ms
, 0, sizeof(params
));
2191 wpa_s
->reassociate
= 0;
2192 wpa_s
->eap_expected_failure
= 0;
2194 (!wpas_driver_bss_selection(wpa_s
) || wpas_wps_searching(wpa_s
))) {
2195 #ifdef CONFIG_IEEE80211R
2196 const u8
*ie
, *md
= NULL
;
2197 #endif /* CONFIG_IEEE80211R */
2198 wpa_msg(wpa_s
, MSG_INFO
, "Trying to associate with " MACSTR
2199 " (SSID='%s' freq=%d MHz)", MAC2STR(bss
->bssid
),
2200 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
), bss
->freq
);
2201 bssid_changed
= !is_zero_ether_addr(wpa_s
->bssid
);
2202 os_memset(wpa_s
->bssid
, 0, ETH_ALEN
);
2203 os_memcpy(wpa_s
->pending_bssid
, bss
->bssid
, ETH_ALEN
);
2205 wpas_notify_bssid_changed(wpa_s
);
2206 #ifdef CONFIG_IEEE80211R
2207 ie
= wpa_bss_get_ie(bss
, WLAN_EID_MOBILITY_DOMAIN
);
2208 if (ie
&& ie
[1] >= MOBILITY_DOMAIN_ID_LEN
)
2210 wpa_sm_set_ft_params(wpa_s
->wpa
, ie
, ie
? 2 + ie
[1] : 0);
2212 /* Prepare for the next transition */
2213 wpa_ft_prepare_auth_request(wpa_s
->wpa
, ie
);
2215 #endif /* CONFIG_IEEE80211R */
2217 } else if ((ssid
->ssid
== NULL
|| ssid
->ssid_len
== 0) &&
2218 wpa_s
->conf
->ap_scan
== 2 &&
2219 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
2220 /* Use ap_scan==1 style network selection to find the network
2222 wpas_connect_work_done(wpa_s
);
2223 wpa_s
->scan_req
= MANUAL_SCAN_REQ
;
2224 wpa_s
->reassociate
= 1;
2225 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2227 #endif /* CONFIG_WPS */
2229 wpa_msg(wpa_s
, MSG_INFO
, "Trying to associate with SSID '%s'",
2230 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2232 os_memcpy(wpa_s
->pending_bssid
, bss
->bssid
, ETH_ALEN
);
2234 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
2237 wpa_supplicant_cancel_sched_scan(wpa_s
);
2239 wpa_supplicant_cancel_scan(wpa_s
);
2241 /* Starting new association, so clear the possibly used WPA IE from the
2242 * previous association. */
2243 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
2245 #ifdef IEEE8021X_EAPOL
2246 if (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
2248 if (ssid
->non_leap
== 0)
2249 algs
= WPA_AUTH_ALG_LEAP
;
2251 algs
|= WPA_AUTH_ALG_LEAP
;
2254 #endif /* IEEE8021X_EAPOL */
2255 wpa_dbg(wpa_s
, MSG_DEBUG
, "Automatic auth_alg selection: 0x%x", algs
);
2256 if (ssid
->auth_alg
) {
2257 algs
= ssid
->auth_alg
;
2258 wpa_dbg(wpa_s
, MSG_DEBUG
, "Overriding auth_alg selection: "
2262 if (bss
&& (wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
) ||
2263 wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) &&
2264 wpa_key_mgmt_wpa(ssid
->key_mgmt
)) {
2265 int try_opportunistic
;
2266 try_opportunistic
= (ssid
->proactive_key_caching
< 0 ?
2268 ssid
->proactive_key_caching
) &&
2269 (ssid
->proto
& WPA_PROTO_RSN
);
2270 if (pmksa_cache_set_current(wpa_s
->wpa
, NULL
, bss
->bssid
,
2271 ssid
, try_opportunistic
) == 0)
2272 eapol_sm_notify_pmkid_attempt(wpa_s
->eapol
);
2273 wpa_ie_len
= sizeof(wpa_ie
);
2274 if (wpa_supplicant_set_suites(wpa_s
, bss
, ssid
,
2275 wpa_ie
, &wpa_ie_len
)) {
2276 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to set WPA "
2277 "key management and encryption suites");
2278 wpas_connect_work_done(wpa_s
);
2281 } else if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) && bss
&&
2282 wpa_key_mgmt_wpa_ieee8021x(ssid
->key_mgmt
)) {
2284 * Both WPA and non-WPA IEEE 802.1X enabled in configuration -
2285 * use non-WPA since the scan results did not indicate that the
2286 * AP is using WPA or WPA2.
2288 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
2290 wpa_s
->wpa_proto
= 0;
2291 } else if (wpa_key_mgmt_wpa_any(ssid
->key_mgmt
)) {
2292 wpa_ie_len
= sizeof(wpa_ie
);
2293 if (wpa_supplicant_set_suites(wpa_s
, NULL
, ssid
,
2294 wpa_ie
, &wpa_ie_len
)) {
2295 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to set WPA "
2296 "key management and encryption suites (no "
2298 wpas_connect_work_done(wpa_s
);
2302 } else if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
2303 struct wpabuf
*wps_ie
;
2304 wps_ie
= wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid
));
2305 if (wps_ie
&& wpabuf_len(wps_ie
) <= sizeof(wpa_ie
)) {
2306 wpa_ie_len
= wpabuf_len(wps_ie
);
2307 os_memcpy(wpa_ie
, wpabuf_head(wps_ie
), wpa_ie_len
);
2310 wpabuf_free(wps_ie
);
2311 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
2312 if (!bss
|| (bss
->caps
& IEEE80211_CAP_PRIVACY
))
2313 params
.wps
= WPS_MODE_PRIVACY
;
2315 params
.wps
= WPS_MODE_OPEN
;
2316 wpa_s
->wpa_proto
= 0;
2317 #endif /* CONFIG_WPS */
2319 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
2321 wpa_s
->wpa_proto
= 0;
2325 if (wpa_s
->global
->p2p
) {
2329 pos
= wpa_ie
+ wpa_ie_len
;
2330 len
= sizeof(wpa_ie
) - wpa_ie_len
;
2331 res
= wpas_p2p_assoc_req_ie(wpa_s
, bss
, pos
, len
,
2337 wpa_s
->cross_connect_disallowed
= 0;
2340 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
2342 wpa_s
->cross_connect_disallowed
=
2343 p2p_get_cross_connect_disallowed(p2p
);
2345 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: WLAN AP %s cross "
2347 wpa_s
->cross_connect_disallowed
?
2348 "disallows" : "allows");
2352 os_memset(wpa_s
->p2p_ip_addr_info
, 0, sizeof(wpa_s
->p2p_ip_addr_info
));
2353 #endif /* CONFIG_P2P */
2356 wpa_ie_len
+= wpas_supp_op_class_ie(wpa_s
, bss
->freq
,
2357 wpa_ie
+ wpa_ie_len
,
2363 * Workaround: Add Extended Capabilities element only if the AP
2364 * included this element in Beacon/Probe Response frames. Some older
2365 * APs seem to have interoperability issues if this element is
2366 * included, so while the standard may require us to include the
2367 * element in all cases, it is justifiable to skip it to avoid
2368 * interoperability issues.
2370 if (ssid
->p2p_group
)
2371 wpa_drv_get_ext_capa(wpa_s
, WPA_IF_P2P_CLIENT
);
2373 wpa_drv_get_ext_capa(wpa_s
, WPA_IF_STATION
);
2375 if (!bss
|| wpa_bss_get_ie(bss
, WLAN_EID_EXT_CAPAB
)) {
2378 ext_capab_len
= wpas_build_ext_capab(wpa_s
, ext_capab
,
2380 if (ext_capab_len
> 0) {
2382 if (wpa_ie_len
> 0 && pos
[0] == WLAN_EID_RSN
)
2384 os_memmove(pos
+ ext_capab_len
, pos
,
2385 wpa_ie_len
- (pos
- wpa_ie
));
2386 wpa_ie_len
+= ext_capab_len
;
2387 os_memcpy(pos
, ext_capab
, ext_capab_len
);
2392 if (is_hs20_network(wpa_s
, ssid
, bss
)) {
2393 struct wpabuf
*hs20
;
2395 hs20
= wpabuf_alloc(20);
2397 int pps_mo_id
= hs20_get_pps_mo_id(wpa_s
, ssid
);
2400 wpas_hs20_add_indication(hs20
, pps_mo_id
);
2401 len
= sizeof(wpa_ie
) - wpa_ie_len
;
2402 if (wpabuf_len(hs20
) <= len
) {
2403 os_memcpy(wpa_ie
+ wpa_ie_len
,
2404 wpabuf_head(hs20
), wpabuf_len(hs20
));
2405 wpa_ie_len
+= wpabuf_len(hs20
);
2409 hs20_configure_frame_filters(wpa_s
);
2412 #endif /* CONFIG_HS20 */
2414 if (wpa_s
->vendor_elem
[VENDOR_ELEM_ASSOC_REQ
]) {
2415 struct wpabuf
*buf
= wpa_s
->vendor_elem
[VENDOR_ELEM_ASSOC_REQ
];
2418 len
= sizeof(wpa_ie
) - wpa_ie_len
;
2419 if (wpabuf_len(buf
) <= len
) {
2420 os_memcpy(wpa_ie
+ wpa_ie_len
,
2421 wpabuf_head(buf
), wpabuf_len(buf
));
2422 wpa_ie_len
+= wpabuf_len(buf
);
2427 if (wpa_s
->fst_ies
) {
2428 int fst_ies_len
= wpabuf_len(wpa_s
->fst_ies
);
2430 if (wpa_ie_len
+ fst_ies_len
<= sizeof(wpa_ie
)) {
2431 os_memcpy(wpa_ie
+ wpa_ie_len
,
2432 wpabuf_head(wpa_s
->fst_ies
), fst_ies_len
);
2433 wpa_ie_len
+= fst_ies_len
;
2436 #endif /* CONFIG_FST */
2439 if (bss
&& wpa_bss_get_vendor_ie(bss
, MBO_IE_VENDOR_TYPE
)) {
2442 len
= wpas_mbo_ie(wpa_s
, wpa_ie
+ wpa_ie_len
,
2443 sizeof(wpa_ie
) - wpa_ie_len
);
2447 #endif /* CONFIG_MBO */
2449 wpa_clear_keys(wpa_s
, bss
? bss
->bssid
: NULL
);
2451 cipher_pairwise
= wpa_s
->pairwise_cipher
;
2452 cipher_group
= wpa_s
->group_cipher
;
2453 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
2454 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
2455 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
)
2457 if (wpa_set_wep_keys(wpa_s
, ssid
)) {
2462 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
)
2465 #ifdef IEEE8021X_EAPOL
2466 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
2467 if ((ssid
->eapol_flags
&
2468 (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
2469 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
)) == 0 &&
2473 /* Assume that dynamic WEP-104 keys will be used and
2474 * set cipher suites in order for drivers to expect
2476 cipher_pairwise
= cipher_group
= WPA_CIPHER_WEP104
;
2479 #endif /* IEEE8021X_EAPOL */
2481 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2482 /* Set the key before (and later after) association */
2483 wpa_supplicant_set_wpa_none_key(wpa_s
, ssid
);
2486 wpa_supplicant_set_state(wpa_s
, WPA_ASSOCIATING
);
2488 params
.ssid
= bss
->ssid
;
2489 params
.ssid_len
= bss
->ssid_len
;
2490 if (!wpas_driver_bss_selection(wpa_s
) || ssid
->bssid_set
||
2491 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
2492 wpa_printf(MSG_DEBUG
, "Limit connection to BSSID "
2493 MACSTR
" freq=%u MHz based on scan results "
2494 "(bssid_set=%d wps=%d)",
2495 MAC2STR(bss
->bssid
), bss
->freq
,
2497 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
);
2498 params
.bssid
= bss
->bssid
;
2499 params
.freq
.freq
= bss
->freq
;
2501 params
.bssid_hint
= bss
->bssid
;
2502 params
.freq_hint
= bss
->freq
;
2503 params
.pbss
= bss_is_pbss(bss
);
2505 params
.ssid
= ssid
->ssid
;
2506 params
.ssid_len
= ssid
->ssid_len
;
2507 params
.pbss
= (ssid
->pbss
!= 2) ? ssid
->pbss
: 0;
2510 if (ssid
->mode
== WPAS_MODE_IBSS
&& ssid
->bssid_set
&&
2511 wpa_s
->conf
->ap_scan
== 2) {
2512 params
.bssid
= ssid
->bssid
;
2513 params
.fixed_bssid
= 1;
2516 /* Initial frequency for IBSS/mesh */
2517 if ((ssid
->mode
== WPAS_MODE_IBSS
|| ssid
->mode
== WPAS_MODE_MESH
) &&
2518 ssid
->frequency
> 0 && params
.freq
.freq
== 0)
2519 ibss_mesh_setup_freq(wpa_s
, ssid
, ¶ms
.freq
);
2521 if (ssid
->mode
== WPAS_MODE_IBSS
) {
2522 params
.fixed_freq
= ssid
->fixed_freq
;
2523 if (ssid
->beacon_int
)
2524 params
.beacon_int
= ssid
->beacon_int
;
2526 params
.beacon_int
= wpa_s
->conf
->beacon_int
;
2529 params
.wpa_ie
= wpa_ie
;
2530 params
.wpa_ie_len
= wpa_ie_len
;
2531 params
.pairwise_suite
= cipher_pairwise
;
2532 params
.group_suite
= cipher_group
;
2533 params
.key_mgmt_suite
= wpa_s
->key_mgmt
;
2534 params
.wpa_proto
= wpa_s
->wpa_proto
;
2535 params
.auth_alg
= algs
;
2536 params
.mode
= ssid
->mode
;
2537 params
.bg_scan_period
= ssid
->bg_scan_period
;
2538 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
2539 if (ssid
->wep_key_len
[i
])
2540 params
.wep_key
[i
] = ssid
->wep_key
[i
];
2541 params
.wep_key_len
[i
] = ssid
->wep_key_len
[i
];
2543 params
.wep_tx_keyidx
= ssid
->wep_tx_keyidx
;
2545 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
2546 (params
.key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
2547 params
.key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
)) {
2548 params
.passphrase
= ssid
->passphrase
;
2550 params
.psk
= ssid
->psk
;
2553 if (wpa_s
->conf
->key_mgmt_offload
) {
2554 if (params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X
||
2555 params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SHA256
||
2556 params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B
||
2557 params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
)
2558 params
.req_key_mgmt_offload
=
2559 ssid
->proactive_key_caching
< 0 ?
2560 wpa_s
->conf
->okc
: ssid
->proactive_key_caching
;
2562 params
.req_key_mgmt_offload
= 1;
2564 if ((params
.key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
2565 params
.key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
||
2566 params
.key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
) &&
2568 params
.psk
= ssid
->psk
;
2571 params
.drop_unencrypted
= use_crypt
;
2573 #ifdef CONFIG_IEEE80211W
2574 params
.mgmt_frame_protection
= wpas_get_ssid_pmf(wpa_s
, ssid
);
2575 if (params
.mgmt_frame_protection
!= NO_MGMT_FRAME_PROTECTION
&& bss
) {
2576 const u8
*rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
2577 struct wpa_ie_data ie
;
2578 if (rsn
&& wpa_parse_wpa_ie(rsn
, 2 + rsn
[1], &ie
) == 0 &&
2580 (WPA_CAPABILITY_MFPC
| WPA_CAPABILITY_MFPR
)) {
2581 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected AP supports "
2582 "MFP: require MFP");
2583 params
.mgmt_frame_protection
=
2584 MGMT_FRAME_PROTECTION_REQUIRED
;
2587 #endif /* CONFIG_IEEE80211W */
2589 params
.p2p
= ssid
->p2p_group
;
2591 if (wpa_s
->p2pdev
->set_sta_uapsd
)
2592 params
.uapsd
= wpa_s
->p2pdev
->sta_uapsd
;
2596 #ifdef CONFIG_HT_OVERRIDES
2597 os_memset(&htcaps
, 0, sizeof(htcaps
));
2598 os_memset(&htcaps_mask
, 0, sizeof(htcaps_mask
));
2599 params
.htcaps
= (u8
*) &htcaps
;
2600 params
.htcaps_mask
= (u8
*) &htcaps_mask
;
2601 wpa_supplicant_apply_ht_overrides(wpa_s
, ssid
, ¶ms
);
2602 #endif /* CONFIG_HT_OVERRIDES */
2603 #ifdef CONFIG_VHT_OVERRIDES
2604 os_memset(&vhtcaps
, 0, sizeof(vhtcaps
));
2605 os_memset(&vhtcaps_mask
, 0, sizeof(vhtcaps_mask
));
2606 params
.vhtcaps
= &vhtcaps
;
2607 params
.vhtcaps_mask
= &vhtcaps_mask
;
2608 wpa_supplicant_apply_vht_overrides(wpa_s
, ssid
, ¶ms
);
2609 #endif /* CONFIG_VHT_OVERRIDES */
2613 * If multi-channel concurrency is not supported, check for any
2614 * frequency conflict. In case of any frequency conflict, remove the
2615 * least prioritized connection.
2617 if (wpa_s
->num_multichan_concurrent
< 2) {
2619 num
= get_shared_radio_freqs(wpa_s
, &freq
, 1);
2620 if (num
> 0 && freq
> 0 && freq
!= params
.freq
.freq
) {
2621 wpa_printf(MSG_DEBUG
,
2622 "Assoc conflicting freq found (%d != %d)",
2623 freq
, params
.freq
.freq
);
2624 if (wpas_p2p_handle_frequency_conflicts(
2625 wpa_s
, params
.freq
.freq
, ssid
) < 0) {
2626 wpas_connect_work_done(wpa_s
);
2631 #endif /* CONFIG_P2P */
2633 if (wpa_s
->reassoc_same_ess
&& !is_zero_ether_addr(prev_bssid
) &&
2634 wpa_s
->current_ssid
)
2635 params
.prev_bssid
= prev_bssid
;
2637 ret
= wpa_drv_associate(wpa_s
, ¶ms
);
2639 wpa_msg(wpa_s
, MSG_INFO
, "Association request to the driver "
2641 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SANE_ERROR_CODES
) {
2643 * The driver is known to mean what is saying, so we
2644 * can stop right here; the association will not
2647 wpas_connection_failed(wpa_s
, wpa_s
->pending_bssid
);
2648 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
2649 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
2652 /* try to continue anyway; new association will be tried again
2657 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2658 /* Set the key after the association just in case association
2659 * cleared the previously configured key. */
2660 wpa_supplicant_set_wpa_none_key(wpa_s
, ssid
);
2661 /* No need to timeout authentication since there is no key
2663 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2664 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
2665 #ifdef CONFIG_IBSS_RSN
2666 } else if (ssid
->mode
== WPAS_MODE_IBSS
&&
2667 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
2668 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
) {
2670 * RSN IBSS authentication is per-STA and we can disable the
2671 * per-BSSID authentication.
2673 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2674 #endif /* CONFIG_IBSS_RSN */
2676 /* Timeout for IEEE 802.11 authentication and association */
2680 /* give IBSS a bit more time */
2681 timeout
= ssid
->mode
== WPAS_MODE_IBSS
? 10 : 5;
2682 } else if (wpa_s
->conf
->ap_scan
== 1) {
2683 /* give IBSS a bit more time */
2684 timeout
= ssid
->mode
== WPAS_MODE_IBSS
? 20 : 10;
2686 wpa_supplicant_req_auth_timeout(wpa_s
, timeout
, 0);
2690 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC
)) {
2691 /* Set static WEP keys again */
2692 wpa_set_wep_keys(wpa_s
, ssid
);
2695 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
!= ssid
) {
2697 * Do not allow EAP session resumption between different
2698 * network configurations.
2700 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
2702 old_ssid
= wpa_s
->current_ssid
;
2703 wpa_s
->current_ssid
= ssid
;
2705 if (!wpas_driver_bss_selection(wpa_s
) || ssid
->bssid_set
) {
2706 wpa_s
->current_bss
= bss
;
2708 hs20_configure_frame_filters(wpa_s
);
2709 #endif /* CONFIG_HS20 */
2712 wpa_supplicant_rsn_supp_set_config(wpa_s
, wpa_s
->current_ssid
);
2713 wpa_supplicant_initiate_eapol(wpa_s
);
2714 if (old_ssid
!= wpa_s
->current_ssid
)
2715 wpas_notify_network_changed(wpa_s
);
2719 static void wpa_supplicant_clear_connection(struct wpa_supplicant
*wpa_s
,
2722 struct wpa_ssid
*old_ssid
;
2724 wpas_connect_work_done(wpa_s
);
2725 wpa_clear_keys(wpa_s
, addr
);
2726 old_ssid
= wpa_s
->current_ssid
;
2727 wpa_supplicant_mark_disassoc(wpa_s
);
2728 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
2729 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
2730 if (old_ssid
!= wpa_s
->current_ssid
)
2731 wpas_notify_network_changed(wpa_s
);
2732 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
2737 * wpa_supplicant_deauthenticate - Deauthenticate the current connection
2738 * @wpa_s: Pointer to wpa_supplicant data
2739 * @reason_code: IEEE 802.11 reason code for the deauthenticate frame
2741 * This function is used to request %wpa_supplicant to deauthenticate from the
2744 void wpa_supplicant_deauthenticate(struct wpa_supplicant
*wpa_s
,
2748 union wpa_event_data event
;
2751 wpa_dbg(wpa_s
, MSG_DEBUG
, "Request to deauthenticate - bssid=" MACSTR
2752 " pending_bssid=" MACSTR
" reason=%d state=%s",
2753 MAC2STR(wpa_s
->bssid
), MAC2STR(wpa_s
->pending_bssid
),
2754 reason_code
, wpa_supplicant_state_txt(wpa_s
->wpa_state
));
2756 if (!is_zero_ether_addr(wpa_s
->pending_bssid
) &&
2757 (wpa_s
->wpa_state
== WPA_AUTHENTICATING
||
2758 wpa_s
->wpa_state
== WPA_ASSOCIATING
))
2759 addr
= wpa_s
->pending_bssid
;
2760 else if (!is_zero_ether_addr(wpa_s
->bssid
))
2761 addr
= wpa_s
->bssid
;
2762 else if (wpa_s
->wpa_state
== WPA_ASSOCIATING
) {
2764 * When using driver-based BSS selection, we may not know the
2765 * BSSID with which we are currently trying to associate. We
2766 * need to notify the driver of this disconnection even in such
2767 * a case, so use the all zeros address here.
2769 addr
= wpa_s
->bssid
;
2774 wpa_tdls_teardown_peers(wpa_s
->wpa
);
2775 #endif /* CONFIG_TDLS */
2779 wpa_msg(wpa_s
, MSG_INFO
, MESH_GROUP_REMOVED
"%s",
2781 wpa_supplicant_leave_mesh(wpa_s
);
2783 #endif /* CONFIG_MESH */
2786 wpa_drv_deauthenticate(wpa_s
, addr
, reason_code
);
2787 os_memset(&event
, 0, sizeof(event
));
2788 event
.deauth_info
.reason_code
= (u16
) reason_code
;
2789 event
.deauth_info
.locally_generated
= 1;
2790 wpa_supplicant_event(wpa_s
, EVENT_DEAUTH
, &event
);
2795 wpa_supplicant_clear_connection(wpa_s
, addr
);
2798 static void wpa_supplicant_enable_one_network(struct wpa_supplicant
*wpa_s
,
2799 struct wpa_ssid
*ssid
)
2801 if (!ssid
|| !ssid
->disabled
|| ssid
->disabled
== 2)
2805 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
2806 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
2809 * Try to reassociate since there is no current configuration and a new
2810 * network was made available.
2812 if (!wpa_s
->current_ssid
&& !wpa_s
->disconnected
)
2813 wpa_s
->reassociate
= 1;
2818 * wpa_supplicant_add_network - Add a new network
2819 * @wpa_s: wpa_supplicant structure for a network interface
2820 * Returns: The new network configuration or %NULL if operation failed
2822 * This function performs the following operations:
2823 * 1. Adds a new network.
2824 * 2. Send network addition notification.
2825 * 3. Marks the network disabled.
2826 * 4. Set network default parameters.
2828 struct wpa_ssid
* wpa_supplicant_add_network(struct wpa_supplicant
*wpa_s
)
2830 struct wpa_ssid
*ssid
;
2832 ssid
= wpa_config_add_network(wpa_s
->conf
);
2835 wpas_notify_network_added(wpa_s
, ssid
);
2837 wpa_config_set_network_defaults(ssid
);
2844 * wpa_supplicant_remove_network - Remove a configured network based on id
2845 * @wpa_s: wpa_supplicant structure for a network interface
2846 * @id: Unique network id to search for
2847 * Returns: 0 on success, or -1 if the network was not found, -2 if the network
2848 * could not be removed
2850 * This function performs the following operations:
2851 * 1. Removes the network.
2852 * 2. Send network removal notification.
2853 * 3. Update internal state machines.
2854 * 4. Stop any running sched scans.
2856 int wpa_supplicant_remove_network(struct wpa_supplicant
*wpa_s
, int id
)
2858 struct wpa_ssid
*ssid
;
2861 ssid
= wpa_config_get_network(wpa_s
->conf
, id
);
2864 wpas_notify_network_removed(wpa_s
, ssid
);
2866 if (wpa_s
->last_ssid
== ssid
)
2867 wpa_s
->last_ssid
= NULL
;
2869 if (ssid
== wpa_s
->current_ssid
|| !wpa_s
->current_ssid
) {
2871 wpa_s
->sme
.prev_bssid_set
= 0;
2872 #endif /* CONFIG_SME */
2874 * Invalidate the EAP session cache if the current or
2875 * previously used network is removed.
2877 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
2880 if (ssid
== wpa_s
->current_ssid
) {
2881 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
2882 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
2884 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
2885 wpa_s
->own_disconnect_req
= 1;
2886 wpa_supplicant_deauthenticate(wpa_s
,
2887 WLAN_REASON_DEAUTH_LEAVING
);
2890 was_disabled
= ssid
->disabled
;
2892 if (wpa_config_remove_network(wpa_s
->conf
, id
) < 0)
2895 if (!was_disabled
&& wpa_s
->sched_scanning
) {
2896 wpa_printf(MSG_DEBUG
,
2897 "Stop ongoing sched_scan to remove network from filters");
2898 wpa_supplicant_cancel_sched_scan(wpa_s
);
2899 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2907 * wpa_supplicant_enable_network - Mark a configured network as enabled
2908 * @wpa_s: wpa_supplicant structure for a network interface
2909 * @ssid: wpa_ssid structure for a configured network or %NULL
2911 * Enables the specified network or all networks if no network specified.
2913 void wpa_supplicant_enable_network(struct wpa_supplicant
*wpa_s
,
2914 struct wpa_ssid
*ssid
)
2917 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
2918 wpa_supplicant_enable_one_network(wpa_s
, ssid
);
2920 wpa_supplicant_enable_one_network(wpa_s
, ssid
);
2922 if (wpa_s
->reassociate
&& !wpa_s
->disconnected
&&
2923 (!wpa_s
->current_ssid
||
2924 wpa_s
->wpa_state
== WPA_DISCONNECTED
||
2925 wpa_s
->wpa_state
== WPA_SCANNING
)) {
2926 if (wpa_s
->sched_scanning
) {
2927 wpa_printf(MSG_DEBUG
, "Stop ongoing sched_scan to add "
2928 "new network to scan filters");
2929 wpa_supplicant_cancel_sched_scan(wpa_s
);
2932 if (wpa_supplicant_fast_associate(wpa_s
) != 1) {
2933 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
2934 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2941 * wpa_supplicant_disable_network - Mark a configured network as disabled
2942 * @wpa_s: wpa_supplicant structure for a network interface
2943 * @ssid: wpa_ssid structure for a configured network or %NULL
2945 * Disables the specified network or all networks if no network specified.
2947 void wpa_supplicant_disable_network(struct wpa_supplicant
*wpa_s
,
2948 struct wpa_ssid
*ssid
)
2950 struct wpa_ssid
*other_ssid
;
2954 if (wpa_s
->sched_scanning
)
2955 wpa_supplicant_cancel_sched_scan(wpa_s
);
2957 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
2958 other_ssid
= other_ssid
->next
) {
2959 was_disabled
= other_ssid
->disabled
;
2960 if (was_disabled
== 2)
2961 continue; /* do not change persistent P2P group
2964 other_ssid
->disabled
= 1;
2966 if (was_disabled
!= other_ssid
->disabled
)
2967 wpas_notify_network_enabled_changed(
2970 if (wpa_s
->current_ssid
)
2971 wpa_supplicant_deauthenticate(
2972 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2973 } else if (ssid
->disabled
!= 2) {
2974 if (ssid
== wpa_s
->current_ssid
)
2975 wpa_supplicant_deauthenticate(
2976 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2978 was_disabled
= ssid
->disabled
;
2982 if (was_disabled
!= ssid
->disabled
) {
2983 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
2984 if (wpa_s
->sched_scanning
) {
2985 wpa_printf(MSG_DEBUG
, "Stop ongoing sched_scan "
2986 "to remove network from filters");
2987 wpa_supplicant_cancel_sched_scan(wpa_s
);
2988 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2996 * wpa_supplicant_select_network - Attempt association with a network
2997 * @wpa_s: wpa_supplicant structure for a network interface
2998 * @ssid: wpa_ssid structure for a configured network or %NULL for any network
3000 void wpa_supplicant_select_network(struct wpa_supplicant
*wpa_s
,
3001 struct wpa_ssid
*ssid
)
3004 struct wpa_ssid
*other_ssid
;
3005 int disconnected
= 0;
3007 if (ssid
&& ssid
!= wpa_s
->current_ssid
&& wpa_s
->current_ssid
) {
3008 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
3009 wpa_s
->own_disconnect_req
= 1;
3010 wpa_supplicant_deauthenticate(
3011 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
3016 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
3019 * Mark all other networks disabled or mark all networks enabled if no
3020 * network specified.
3022 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
3023 other_ssid
= other_ssid
->next
) {
3024 int was_disabled
= other_ssid
->disabled
;
3025 if (was_disabled
== 2)
3026 continue; /* do not change persistent P2P group data */
3028 other_ssid
->disabled
= ssid
? (ssid
->id
!= other_ssid
->id
) : 0;
3029 if (was_disabled
&& !other_ssid
->disabled
)
3030 wpas_clear_temp_disabled(wpa_s
, other_ssid
, 0);
3032 if (was_disabled
!= other_ssid
->disabled
)
3033 wpas_notify_network_enabled_changed(wpa_s
, other_ssid
);
3036 if (ssid
&& ssid
== wpa_s
->current_ssid
&& wpa_s
->current_ssid
&&
3037 wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
3038 /* We are already associated with the selected network */
3039 wpa_printf(MSG_DEBUG
, "Already associated with the "
3040 "selected network - do nothing");
3045 wpa_s
->current_ssid
= ssid
;
3046 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
3047 wpa_s
->connect_without_scan
=
3048 (ssid
->mode
== WPAS_MODE_MESH
) ? ssid
: NULL
;
3051 * Don't optimize next scan freqs since a new ESS has been
3054 os_free(wpa_s
->next_scan_freqs
);
3055 wpa_s
->next_scan_freqs
= NULL
;
3057 wpa_s
->connect_without_scan
= NULL
;
3060 wpa_s
->disconnected
= 0;
3061 wpa_s
->reassociate
= 1;
3063 if (wpa_s
->connect_without_scan
||
3064 wpa_supplicant_fast_associate(wpa_s
) != 1) {
3065 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
3066 wpas_scan_reset_sched_scan(wpa_s
);
3067 wpa_supplicant_req_scan(wpa_s
, 0, disconnected
? 100000 : 0);
3071 wpas_notify_network_selected(wpa_s
, ssid
);
3076 * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
3077 * @wpa_s: wpa_supplicant structure for a network interface
3078 * @pkcs11_engine_path: PKCS #11 engine path or NULL
3079 * @pkcs11_module_path: PKCS #11 module path or NULL
3080 * Returns: 0 on success; -1 on failure
3082 * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid
3083 * path. If resetting the EAPOL state machine with the new PKCS #11 engine and
3084 * module path fails the paths will be reset to the default value (NULL).
3086 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant
*wpa_s
,
3087 const char *pkcs11_engine_path
,
3088 const char *pkcs11_module_path
)
3090 char *pkcs11_engine_path_copy
= NULL
;
3091 char *pkcs11_module_path_copy
= NULL
;
3093 if (pkcs11_engine_path
!= NULL
) {
3094 pkcs11_engine_path_copy
= os_strdup(pkcs11_engine_path
);
3095 if (pkcs11_engine_path_copy
== NULL
)
3098 if (pkcs11_module_path
!= NULL
) {
3099 pkcs11_module_path_copy
= os_strdup(pkcs11_module_path
);
3100 if (pkcs11_module_path_copy
== NULL
) {
3101 os_free(pkcs11_engine_path_copy
);
3106 os_free(wpa_s
->conf
->pkcs11_engine_path
);
3107 os_free(wpa_s
->conf
->pkcs11_module_path
);
3108 wpa_s
->conf
->pkcs11_engine_path
= pkcs11_engine_path_copy
;
3109 wpa_s
->conf
->pkcs11_module_path
= pkcs11_module_path_copy
;
3111 wpa_sm_set_eapol(wpa_s
->wpa
, NULL
);
3112 eapol_sm_deinit(wpa_s
->eapol
);
3113 wpa_s
->eapol
= NULL
;
3114 if (wpa_supplicant_init_eapol(wpa_s
)) {
3115 /* Error -> Reset paths to the default value (NULL) once. */
3116 if (pkcs11_engine_path
!= NULL
&& pkcs11_module_path
!= NULL
)
3117 wpas_set_pkcs11_engine_and_module_path(wpa_s
, NULL
,
3122 wpa_sm_set_eapol(wpa_s
->wpa
, wpa_s
->eapol
);
3129 * wpa_supplicant_set_ap_scan - Set AP scan mode for interface
3130 * @wpa_s: wpa_supplicant structure for a network interface
3131 * @ap_scan: AP scan mode
3132 * Returns: 0 if succeed or -1 if ap_scan has an invalid value
3135 int wpa_supplicant_set_ap_scan(struct wpa_supplicant
*wpa_s
, int ap_scan
)
3140 if (ap_scan
< 0 || ap_scan
> 2)
3143 if (ap_scan
== 2 && os_strcmp(wpa_s
->driver
->name
, "nl80211") == 0) {
3144 wpa_printf(MSG_INFO
,
3145 "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
3149 if (ap_scan
== 2 && ap_scan
!= wpa_s
->conf
->ap_scan
&&
3150 wpa_s
->wpa_state
>= WPA_ASSOCIATING
&&
3151 wpa_s
->wpa_state
< WPA_COMPLETED
) {
3152 wpa_printf(MSG_ERROR
, "ap_scan = %d (%d) rejected while "
3153 "associating", wpa_s
->conf
->ap_scan
, ap_scan
);
3156 #endif /* ANDROID */
3158 old_ap_scan
= wpa_s
->conf
->ap_scan
;
3159 wpa_s
->conf
->ap_scan
= ap_scan
;
3161 if (old_ap_scan
!= wpa_s
->conf
->ap_scan
)
3162 wpas_notify_ap_scan_changed(wpa_s
);
3169 * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age
3170 * @wpa_s: wpa_supplicant structure for a network interface
3171 * @expire_age: Expiration age in seconds
3172 * Returns: 0 if succeed or -1 if expire_age has an invalid value
3175 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant
*wpa_s
,
3176 unsigned int bss_expire_age
)
3178 if (bss_expire_age
< 10) {
3179 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid bss expiration age %u",
3183 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting bss expiration age: %d sec",
3185 wpa_s
->conf
->bss_expiration_age
= bss_expire_age
;
3192 * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count
3193 * @wpa_s: wpa_supplicant structure for a network interface
3194 * @expire_count: number of scans after which an unseen BSS is reclaimed
3195 * Returns: 0 if succeed or -1 if expire_count has an invalid value
3198 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant
*wpa_s
,
3199 unsigned int bss_expire_count
)
3201 if (bss_expire_count
< 1) {
3202 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid bss expiration count %u",
3206 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting bss expiration scan count: %u",
3208 wpa_s
->conf
->bss_expiration_scan_count
= bss_expire_count
;
3215 * wpa_supplicant_set_scan_interval - Set scan interval
3216 * @wpa_s: wpa_supplicant structure for a network interface
3217 * @scan_interval: scan interval in seconds
3218 * Returns: 0 if succeed or -1 if scan_interval has an invalid value
3221 int wpa_supplicant_set_scan_interval(struct wpa_supplicant
*wpa_s
,
3224 if (scan_interval
< 0) {
3225 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid scan interval %d",
3229 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting scan interval: %d sec",
3231 wpa_supplicant_update_scan_int(wpa_s
, scan_interval
);
3238 * wpa_supplicant_set_debug_params - Set global debug params
3239 * @global: wpa_global structure
3240 * @debug_level: debug level
3241 * @debug_timestamp: determines if show timestamp in debug data
3242 * @debug_show_keys: determines if show keys in debug data
3243 * Returns: 0 if succeed or -1 if debug_level has wrong value
3245 int wpa_supplicant_set_debug_params(struct wpa_global
*global
, int debug_level
,
3246 int debug_timestamp
, int debug_show_keys
)
3249 int old_level
, old_timestamp
, old_show_keys
;
3251 /* check for allowed debuglevels */
3252 if (debug_level
!= MSG_EXCESSIVE
&&
3253 debug_level
!= MSG_MSGDUMP
&&
3254 debug_level
!= MSG_DEBUG
&&
3255 debug_level
!= MSG_INFO
&&
3256 debug_level
!= MSG_WARNING
&&
3257 debug_level
!= MSG_ERROR
)
3260 old_level
= wpa_debug_level
;
3261 old_timestamp
= wpa_debug_timestamp
;
3262 old_show_keys
= wpa_debug_show_keys
;
3264 wpa_debug_level
= debug_level
;
3265 wpa_debug_timestamp
= debug_timestamp
? 1 : 0;
3266 wpa_debug_show_keys
= debug_show_keys
? 1 : 0;
3268 if (wpa_debug_level
!= old_level
)
3269 wpas_notify_debug_level_changed(global
);
3270 if (wpa_debug_timestamp
!= old_timestamp
)
3271 wpas_notify_debug_timestamp_changed(global
);
3272 if (wpa_debug_show_keys
!= old_show_keys
)
3273 wpas_notify_debug_show_keys_changed(global
);
3280 * wpa_supplicant_get_ssid - Get a pointer to the current network structure
3281 * @wpa_s: Pointer to wpa_supplicant data
3282 * Returns: A pointer to the current network structure or %NULL on failure
3284 struct wpa_ssid
* wpa_supplicant_get_ssid(struct wpa_supplicant
*wpa_s
)
3286 struct wpa_ssid
*entry
;
3287 u8 ssid
[SSID_MAX_LEN
];
3293 res
= wpa_drv_get_ssid(wpa_s
, ssid
);
3295 wpa_msg(wpa_s
, MSG_WARNING
, "Could not read SSID from "
3301 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0) {
3302 wpa_msg(wpa_s
, MSG_WARNING
, "Could not read BSSID from "
3307 wired
= wpa_s
->conf
->ap_scan
== 0 &&
3308 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
);
3310 entry
= wpa_s
->conf
->ssid
;
3312 if (!wpas_network_disabled(wpa_s
, entry
) &&
3313 ((ssid_len
== entry
->ssid_len
&&
3314 os_memcmp(ssid
, entry
->ssid
, ssid_len
) == 0) || wired
) &&
3315 (!entry
->bssid_set
||
3316 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0))
3319 if (!wpas_network_disabled(wpa_s
, entry
) &&
3320 (entry
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
3321 (entry
->ssid
== NULL
|| entry
->ssid_len
== 0) &&
3322 (!entry
->bssid_set
||
3323 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0))
3325 #endif /* CONFIG_WPS */
3327 if (!wpas_network_disabled(wpa_s
, entry
) && entry
->bssid_set
&&
3328 entry
->ssid_len
== 0 &&
3329 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0)
3332 entry
= entry
->next
;
3339 static int select_driver(struct wpa_supplicant
*wpa_s
, int i
)
3341 struct wpa_global
*global
= wpa_s
->global
;
3343 if (wpa_drivers
[i
]->global_init
&& global
->drv_priv
[i
] == NULL
) {
3344 global
->drv_priv
[i
] = wpa_drivers
[i
]->global_init(global
);
3345 if (global
->drv_priv
[i
] == NULL
) {
3346 wpa_printf(MSG_ERROR
, "Failed to initialize driver "
3347 "'%s'", wpa_drivers
[i
]->name
);
3352 wpa_s
->driver
= wpa_drivers
[i
];
3353 wpa_s
->global_drv_priv
= global
->drv_priv
[i
];
3359 static int wpa_supplicant_set_driver(struct wpa_supplicant
*wpa_s
,
3364 const char *pos
, *driver
= name
;
3369 if (wpa_drivers
[0] == NULL
) {
3370 wpa_msg(wpa_s
, MSG_ERROR
, "No driver interfaces build into "
3376 /* default to first driver in the list */
3377 return select_driver(wpa_s
, 0);
3381 pos
= os_strchr(driver
, ',');
3385 len
= os_strlen(driver
);
3387 for (i
= 0; wpa_drivers
[i
]; i
++) {
3388 if (os_strlen(wpa_drivers
[i
]->name
) == len
&&
3389 os_strncmp(driver
, wpa_drivers
[i
]->name
, len
) ==
3391 /* First driver that succeeds wins */
3392 if (select_driver(wpa_s
, i
) == 0)
3400 wpa_msg(wpa_s
, MSG_ERROR
, "Unsupported driver '%s'", name
);
3406 * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
3407 * @ctx: Context pointer (wpa_s); this is the ctx variable registered
3408 * with struct wpa_driver_ops::init()
3409 * @src_addr: Source address of the EAPOL frame
3410 * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
3411 * @len: Length of the EAPOL data
3413 * This function is called for each received EAPOL frame. Most driver
3414 * interfaces rely on more generic OS mechanism for receiving frames through
3415 * l2_packet, but if such a mechanism is not available, the driver wrapper may
3416 * take care of received EAPOL frames and deliver them to the core supplicant
3417 * code by calling this function.
3419 void wpa_supplicant_rx_eapol(void *ctx
, const u8
*src_addr
,
3420 const u8
*buf
, size_t len
)
3422 struct wpa_supplicant
*wpa_s
= ctx
;
3424 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
, MAC2STR(src_addr
));
3425 wpa_hexdump(MSG_MSGDUMP
, "RX EAPOL", buf
, len
);
3427 #ifdef CONFIG_TESTING_OPTIONS
3428 if (wpa_s
->ignore_auth_resp
) {
3429 wpa_printf(MSG_INFO
, "RX EAPOL - ignore_auth_resp active!");
3432 #endif /* CONFIG_TESTING_OPTIONS */
3434 #ifdef CONFIG_PEERKEY
3435 if (wpa_s
->wpa_state
> WPA_ASSOCIATED
&& wpa_s
->current_ssid
&&
3436 wpa_s
->current_ssid
->peerkey
&&
3437 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
3438 wpa_sm_rx_eapol_peerkey(wpa_s
->wpa
, src_addr
, buf
, len
) == 1) {
3439 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: Processed PeerKey EAPOL-Key");
3442 #endif /* CONFIG_PEERKEY */
3444 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
3445 (wpa_s
->last_eapol_matches_bssid
&&
3448 #endif /* CONFIG_AP */
3449 os_memcmp(src_addr
, wpa_s
->bssid
, ETH_ALEN
) != 0)) {
3451 * There is possible race condition between receiving the
3452 * association event and the EAPOL frame since they are coming
3453 * through different paths from the driver. In order to avoid
3454 * issues in trying to process the EAPOL frame before receiving
3455 * association information, lets queue it for processing until
3456 * the association event is received. This may also be needed in
3457 * driver-based roaming case, so also use src_addr != BSSID as a
3458 * trigger if we have previously confirmed that the
3459 * Authenticator uses BSSID as the src_addr (which is not the
3460 * case with wired IEEE 802.1X).
3462 wpa_dbg(wpa_s
, MSG_DEBUG
, "Not associated - Delay processing "
3463 "of received EAPOL frame (state=%s bssid=" MACSTR
")",
3464 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
3465 MAC2STR(wpa_s
->bssid
));
3466 wpabuf_free(wpa_s
->pending_eapol_rx
);
3467 wpa_s
->pending_eapol_rx
= wpabuf_alloc_copy(buf
, len
);
3468 if (wpa_s
->pending_eapol_rx
) {
3469 os_get_reltime(&wpa_s
->pending_eapol_rx_time
);
3470 os_memcpy(wpa_s
->pending_eapol_rx_src
, src_addr
,
3476 wpa_s
->last_eapol_matches_bssid
=
3477 os_memcmp(src_addr
, wpa_s
->bssid
, ETH_ALEN
) == 0;
3480 if (wpa_s
->ap_iface
) {
3481 wpa_supplicant_ap_rx_eapol(wpa_s
, src_addr
, buf
, len
);
3484 #endif /* CONFIG_AP */
3486 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
) {
3487 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignored received EAPOL frame since "
3488 "no key management is configured");
3492 if (wpa_s
->eapol_received
== 0 &&
3493 (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) ||
3494 !wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) ||
3495 wpa_s
->wpa_state
!= WPA_COMPLETED
) &&
3496 (wpa_s
->current_ssid
== NULL
||
3497 wpa_s
->current_ssid
->mode
!= IEEE80211_MODE_IBSS
)) {
3498 /* Timeout for completing IEEE 802.1X and WPA authentication */
3501 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) ||
3502 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
||
3503 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
3504 /* Use longer timeout for IEEE 802.1X/EAP */
3509 if (wpa_s
->current_ssid
&& wpa_s
->current_bss
&&
3510 (wpa_s
->current_ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
3511 eap_is_wps_pin_enrollee(&wpa_s
->current_ssid
->eap
)) {
3513 * Use shorter timeout if going through WPS AP iteration
3514 * for PIN config method with an AP that does not
3515 * advertise Selected Registrar.
3517 struct wpabuf
*wps_ie
;
3519 wps_ie
= wpa_bss_get_vendor_ie_multi(
3520 wpa_s
->current_bss
, WPS_IE_VENDOR_TYPE
);
3522 !wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1))
3524 wpabuf_free(wps_ie
);
3526 #endif /* CONFIG_WPS */
3528 wpa_supplicant_req_auth_timeout(wpa_s
, timeout
, 0);
3530 wpa_s
->eapol_received
++;
3532 if (wpa_s
->countermeasures
) {
3533 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Countermeasures - dropped "
3538 #ifdef CONFIG_IBSS_RSN
3539 if (wpa_s
->current_ssid
&&
3540 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
) {
3541 ibss_rsn_rx_eapol(wpa_s
->ibss_rsn
, src_addr
, buf
, len
);
3544 #endif /* CONFIG_IBSS_RSN */
3546 /* Source address of the incoming EAPOL frame could be compared to the
3547 * current BSSID. However, it is possible that a centralized
3548 * Authenticator could be using another MAC address than the BSSID of
3549 * an AP, so just allow any address to be used for now. The replies are
3550 * still sent to the current BSSID (if available), though. */
3552 os_memcpy(wpa_s
->last_eapol_src
, src_addr
, ETH_ALEN
);
3553 if (!wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) &&
3554 eapol_sm_rx_eapol(wpa_s
->eapol
, src_addr
, buf
, len
) > 0)
3556 wpa_drv_poll(wpa_s
);
3557 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
))
3558 wpa_sm_rx_eapol(wpa_s
->wpa
, src_addr
, buf
, len
);
3559 else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
3561 * Set portValid = TRUE here since we are going to skip 4-way
3562 * handshake processing which would normally set portValid. We
3563 * need this to allow the EAPOL state machines to be completed
3564 * without going through EAPOL-Key handshake.
3566 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
3571 int wpa_supplicant_update_mac_addr(struct wpa_supplicant
*wpa_s
)
3573 if ((!wpa_s
->p2p_mgmt
||
3574 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)) &&
3575 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)) {
3576 l2_packet_deinit(wpa_s
->l2
);
3577 wpa_s
->l2
= l2_packet_init(wpa_s
->ifname
,
3578 wpa_drv_get_mac_addr(wpa_s
),
3580 wpa_supplicant_rx_eapol
, wpa_s
, 0);
3581 if (wpa_s
->l2
== NULL
)
3584 const u8
*addr
= wpa_drv_get_mac_addr(wpa_s
);
3586 os_memcpy(wpa_s
->own_addr
, addr
, ETH_ALEN
);
3589 if (wpa_s
->l2
&& l2_packet_get_own_addr(wpa_s
->l2
, wpa_s
->own_addr
)) {
3590 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to get own L2 address");
3594 wpa_sm_set_own_addr(wpa_s
->wpa
, wpa_s
->own_addr
);
3600 static void wpa_supplicant_rx_eapol_bridge(void *ctx
, const u8
*src_addr
,
3601 const u8
*buf
, size_t len
)
3603 struct wpa_supplicant
*wpa_s
= ctx
;
3604 const struct l2_ethhdr
*eth
;
3606 if (len
< sizeof(*eth
))
3608 eth
= (const struct l2_ethhdr
*) buf
;
3610 if (os_memcmp(eth
->h_dest
, wpa_s
->own_addr
, ETH_ALEN
) != 0 &&
3611 !(eth
->h_dest
[0] & 0x01)) {
3612 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
" to " MACSTR
3613 " (bridge - not for this interface - ignore)",
3614 MAC2STR(src_addr
), MAC2STR(eth
->h_dest
));
3618 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
" to " MACSTR
3619 " (bridge)", MAC2STR(src_addr
), MAC2STR(eth
->h_dest
));
3620 wpa_supplicant_rx_eapol(wpa_s
, src_addr
, buf
+ sizeof(*eth
),
3621 len
- sizeof(*eth
));
3626 * wpa_supplicant_driver_init - Initialize driver interface parameters
3627 * @wpa_s: Pointer to wpa_supplicant data
3628 * Returns: 0 on success, -1 on failure
3630 * This function is called to initialize driver interface parameters.
3631 * wpa_drv_init() must have been called before this function to initialize the
3634 int wpa_supplicant_driver_init(struct wpa_supplicant
*wpa_s
)
3636 static int interface_count
= 0;
3638 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0)
3641 wpa_dbg(wpa_s
, MSG_DEBUG
, "Own MAC address: " MACSTR
,
3642 MAC2STR(wpa_s
->own_addr
));
3643 os_memcpy(wpa_s
->perm_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3644 wpa_sm_set_own_addr(wpa_s
->wpa
, wpa_s
->own_addr
);
3646 if (wpa_s
->bridge_ifname
[0]) {
3647 wpa_dbg(wpa_s
, MSG_DEBUG
, "Receiving packets from bridge "
3648 "interface '%s'", wpa_s
->bridge_ifname
);
3649 wpa_s
->l2_br
= l2_packet_init_bridge(
3650 wpa_s
->bridge_ifname
, wpa_s
->ifname
, wpa_s
->own_addr
,
3651 ETH_P_EAPOL
, wpa_supplicant_rx_eapol_bridge
, wpa_s
, 1);
3652 if (wpa_s
->l2_br
== NULL
) {
3653 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to open l2_packet "
3654 "connection for the bridge interface '%s'",
3655 wpa_s
->bridge_ifname
);
3660 if (wpa_s
->conf
->ap_scan
== 2 &&
3661 os_strcmp(wpa_s
->driver
->name
, "nl80211") == 0) {
3662 wpa_printf(MSG_INFO
,
3663 "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
3666 wpa_clear_keys(wpa_s
, NULL
);
3668 /* Make sure that TKIP countermeasures are not left enabled (could
3669 * happen if wpa_supplicant is killed during countermeasures. */
3670 wpa_drv_set_countermeasures(wpa_s
, 0);
3672 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: flushing PMKID list in the driver");
3673 wpa_drv_flush_pmkid(wpa_s
);
3675 wpa_s
->prev_scan_ssid
= WILDCARD_SSID_SCAN
;
3676 wpa_s
->prev_scan_wildcard
= 0;
3678 if (wpa_supplicant_enabled_networks(wpa_s
)) {
3679 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
3680 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
3681 interface_count
= 0;
3684 if (!wpa_s
->p2p_mgmt
&&
3685 wpa_supplicant_delayed_sched_scan(wpa_s
,
3686 interface_count
% 3,
3688 wpa_supplicant_req_scan(wpa_s
, interface_count
% 3,
3690 #endif /* ANDROID */
3693 wpa_supplicant_set_state(wpa_s
, WPA_INACTIVE
);
3699 static int wpa_supplicant_daemon(const char *pid_file
)
3701 wpa_printf(MSG_DEBUG
, "Daemonize..");
3702 return os_daemonize(pid_file
);
3706 static struct wpa_supplicant
*
3707 wpa_supplicant_alloc(struct wpa_supplicant
*parent
)
3709 struct wpa_supplicant
*wpa_s
;
3711 wpa_s
= os_zalloc(sizeof(*wpa_s
));
3714 wpa_s
->scan_req
= INITIAL_SCAN_REQ
;
3715 wpa_s
->scan_interval
= 5;
3716 wpa_s
->new_connection
= 1;
3717 wpa_s
->parent
= parent
? parent
: wpa_s
;
3718 wpa_s
->p2pdev
= wpa_s
->parent
;
3719 wpa_s
->sched_scanning
= 0;
3721 dl_list_init(&wpa_s
->bss_tmp_disallowed
);
3727 #ifdef CONFIG_HT_OVERRIDES
3729 static int wpa_set_htcap_mcs(struct wpa_supplicant
*wpa_s
,
3730 struct ieee80211_ht_capabilities
*htcaps
,
3731 struct ieee80211_ht_capabilities
*htcaps_mask
,
3734 /* parse ht_mcs into hex array */
3736 const char *tmp
= ht_mcs
;
3739 /* If ht_mcs is null, do not set anything */
3743 /* This is what we are setting in the kernel */
3744 os_memset(&htcaps
->supported_mcs_set
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3746 wpa_msg(wpa_s
, MSG_DEBUG
, "set_htcap, ht_mcs -:%s:-", ht_mcs
);
3748 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3750 long v
= strtol(tmp
, &end
, 16);
3752 wpa_msg(wpa_s
, MSG_DEBUG
,
3753 "htcap value[%i]: %ld end: %p tmp: %p",
3758 htcaps
->supported_mcs_set
[i
] = v
;
3761 wpa_msg(wpa_s
, MSG_ERROR
,
3762 "Failed to parse ht-mcs: %s, error: %s\n",
3763 ht_mcs
, strerror(errno
));
3769 * If we were able to parse any values, then set mask for the MCS set.
3772 os_memset(&htcaps_mask
->supported_mcs_set
, 0xff,
3773 IEEE80211_HT_MCS_MASK_LEN
- 1);
3774 /* skip the 3 reserved bits */
3775 htcaps_mask
->supported_mcs_set
[IEEE80211_HT_MCS_MASK_LEN
- 1] =
3783 static int wpa_disable_max_amsdu(struct wpa_supplicant
*wpa_s
,
3784 struct ieee80211_ht_capabilities
*htcaps
,
3785 struct ieee80211_ht_capabilities
*htcaps_mask
,
3790 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_max_amsdu: %d", disabled
);
3795 msk
= host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE
);
3796 htcaps_mask
->ht_capabilities_info
|= msk
;
3798 htcaps
->ht_capabilities_info
&= msk
;
3800 htcaps
->ht_capabilities_info
|= msk
;
3806 static int wpa_set_ampdu_factor(struct wpa_supplicant
*wpa_s
,
3807 struct ieee80211_ht_capabilities
*htcaps
,
3808 struct ieee80211_ht_capabilities
*htcaps_mask
,
3811 wpa_msg(wpa_s
, MSG_DEBUG
, "set_ampdu_factor: %d", factor
);
3816 if (factor
< 0 || factor
> 3) {
3817 wpa_msg(wpa_s
, MSG_ERROR
, "ampdu_factor: %d out of range. "
3818 "Must be 0-3 or -1", factor
);
3822 htcaps_mask
->a_mpdu_params
|= 0x3; /* 2 bits for factor */
3823 htcaps
->a_mpdu_params
&= ~0x3;
3824 htcaps
->a_mpdu_params
|= factor
& 0x3;
3830 static int wpa_set_ampdu_density(struct wpa_supplicant
*wpa_s
,
3831 struct ieee80211_ht_capabilities
*htcaps
,
3832 struct ieee80211_ht_capabilities
*htcaps_mask
,
3835 wpa_msg(wpa_s
, MSG_DEBUG
, "set_ampdu_density: %d", density
);
3840 if (density
< 0 || density
> 7) {
3841 wpa_msg(wpa_s
, MSG_ERROR
,
3842 "ampdu_density: %d out of range. Must be 0-7 or -1.",
3847 htcaps_mask
->a_mpdu_params
|= 0x1C;
3848 htcaps
->a_mpdu_params
&= ~(0x1C);
3849 htcaps
->a_mpdu_params
|= (density
<< 2) & 0x1C;
3855 static int wpa_set_disable_ht40(struct wpa_supplicant
*wpa_s
,
3856 struct ieee80211_ht_capabilities
*htcaps
,
3857 struct ieee80211_ht_capabilities
*htcaps_mask
,
3860 /* Masking these out disables HT40 */
3861 le16 msk
= host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET
|
3862 HT_CAP_INFO_SHORT_GI40MHZ
);
3864 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_ht40: %d", disabled
);
3867 htcaps
->ht_capabilities_info
&= ~msk
;
3869 htcaps
->ht_capabilities_info
|= msk
;
3871 htcaps_mask
->ht_capabilities_info
|= msk
;
3877 static int wpa_set_disable_sgi(struct wpa_supplicant
*wpa_s
,
3878 struct ieee80211_ht_capabilities
*htcaps
,
3879 struct ieee80211_ht_capabilities
*htcaps_mask
,
3882 /* Masking these out disables SGI */
3883 le16 msk
= host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ
|
3884 HT_CAP_INFO_SHORT_GI40MHZ
);
3886 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_sgi: %d", disabled
);
3889 htcaps
->ht_capabilities_info
&= ~msk
;
3891 htcaps
->ht_capabilities_info
|= msk
;
3893 htcaps_mask
->ht_capabilities_info
|= msk
;
3899 static int wpa_set_disable_ldpc(struct wpa_supplicant
*wpa_s
,
3900 struct ieee80211_ht_capabilities
*htcaps
,
3901 struct ieee80211_ht_capabilities
*htcaps_mask
,
3904 /* Masking these out disables LDPC */
3905 le16 msk
= host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP
);
3907 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_ldpc: %d", disabled
);
3910 htcaps
->ht_capabilities_info
&= ~msk
;
3912 htcaps
->ht_capabilities_info
|= msk
;
3914 htcaps_mask
->ht_capabilities_info
|= msk
;
3920 void wpa_supplicant_apply_ht_overrides(
3921 struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
3922 struct wpa_driver_associate_params
*params
)
3924 struct ieee80211_ht_capabilities
*htcaps
;
3925 struct ieee80211_ht_capabilities
*htcaps_mask
;
3930 params
->disable_ht
= ssid
->disable_ht
;
3931 if (!params
->htcaps
|| !params
->htcaps_mask
)
3934 htcaps
= (struct ieee80211_ht_capabilities
*) params
->htcaps
;
3935 htcaps_mask
= (struct ieee80211_ht_capabilities
*) params
->htcaps_mask
;
3936 wpa_set_htcap_mcs(wpa_s
, htcaps
, htcaps_mask
, ssid
->ht_mcs
);
3937 wpa_disable_max_amsdu(wpa_s
, htcaps
, htcaps_mask
,
3938 ssid
->disable_max_amsdu
);
3939 wpa_set_ampdu_factor(wpa_s
, htcaps
, htcaps_mask
, ssid
->ampdu_factor
);
3940 wpa_set_ampdu_density(wpa_s
, htcaps
, htcaps_mask
, ssid
->ampdu_density
);
3941 wpa_set_disable_ht40(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_ht40
);
3942 wpa_set_disable_sgi(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_sgi
);
3943 wpa_set_disable_ldpc(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_ldpc
);
3945 if (ssid
->ht40_intolerant
) {
3946 le16 bit
= host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT
);
3947 htcaps
->ht_capabilities_info
|= bit
;
3948 htcaps_mask
->ht_capabilities_info
|= bit
;
3952 #endif /* CONFIG_HT_OVERRIDES */
3955 #ifdef CONFIG_VHT_OVERRIDES
3956 void wpa_supplicant_apply_vht_overrides(
3957 struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
3958 struct wpa_driver_associate_params
*params
)
3960 struct ieee80211_vht_capabilities
*vhtcaps
;
3961 struct ieee80211_vht_capabilities
*vhtcaps_mask
;
3966 params
->disable_vht
= ssid
->disable_vht
;
3968 vhtcaps
= (void *) params
->vhtcaps
;
3969 vhtcaps_mask
= (void *) params
->vhtcaps_mask
;
3971 if (!vhtcaps
|| !vhtcaps_mask
)
3974 vhtcaps
->vht_capabilities_info
= host_to_le32(ssid
->vht_capa
);
3975 vhtcaps_mask
->vht_capabilities_info
= host_to_le32(ssid
->vht_capa_mask
);
3977 #ifdef CONFIG_HT_OVERRIDES
3978 /* if max ampdu is <= 3, we have to make the HT cap the same */
3979 if (ssid
->vht_capa_mask
& VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX
) {
3982 max_ampdu
= (ssid
->vht_capa
&
3983 VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX
) >>
3984 VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX_SHIFT
;
3986 max_ampdu
= max_ampdu
< 3 ? max_ampdu
: 3;
3987 wpa_set_ampdu_factor(wpa_s
,
3988 (void *) params
->htcaps
,
3989 (void *) params
->htcaps_mask
,
3992 #endif /* CONFIG_HT_OVERRIDES */
3994 #define OVERRIDE_MCS(i) \
3995 if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \
3996 vhtcaps_mask->vht_supported_mcs_set.tx_map |= \
3997 host_to_le16(3 << 2 * (i - 1)); \
3998 vhtcaps->vht_supported_mcs_set.tx_map |= \
3999 host_to_le16(ssid->vht_tx_mcs_nss_ ##i << \
4002 if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \
4003 vhtcaps_mask->vht_supported_mcs_set.rx_map |= \
4004 host_to_le16(3 << 2 * (i - 1)); \
4005 vhtcaps->vht_supported_mcs_set.rx_map |= \
4006 host_to_le16(ssid->vht_rx_mcs_nss_ ##i << \
4019 #endif /* CONFIG_VHT_OVERRIDES */
4022 static int pcsc_reader_init(struct wpa_supplicant
*wpa_s
)
4027 if (!wpa_s
->conf
->pcsc_reader
)
4030 wpa_s
->scard
= scard_init(wpa_s
->conf
->pcsc_reader
);
4034 if (wpa_s
->conf
->pcsc_pin
&&
4035 scard_set_pin(wpa_s
->scard
, wpa_s
->conf
->pcsc_pin
) < 0) {
4036 scard_deinit(wpa_s
->scard
);
4037 wpa_s
->scard
= NULL
;
4038 wpa_msg(wpa_s
, MSG_ERROR
, "PC/SC PIN validation failed");
4042 len
= sizeof(wpa_s
->imsi
) - 1;
4043 if (scard_get_imsi(wpa_s
->scard
, wpa_s
->imsi
, &len
)) {
4044 scard_deinit(wpa_s
->scard
);
4045 wpa_s
->scard
= NULL
;
4046 wpa_msg(wpa_s
, MSG_ERROR
, "Could not read IMSI");
4049 wpa_s
->imsi
[len
] = '\0';
4051 wpa_s
->mnc_len
= scard_get_mnc_len(wpa_s
->scard
);
4053 wpa_printf(MSG_DEBUG
, "SCARD: IMSI %s (MNC length %d)",
4054 wpa_s
->imsi
, wpa_s
->mnc_len
);
4056 wpa_sm_set_scard_ctx(wpa_s
->wpa
, wpa_s
->scard
);
4057 eapol_sm_register_scard_ctx(wpa_s
->eapol
, wpa_s
->scard
);
4058 #endif /* PCSC_FUNCS */
4064 int wpas_init_ext_pw(struct wpa_supplicant
*wpa_s
)
4068 ext_password_deinit(wpa_s
->ext_pw
);
4069 wpa_s
->ext_pw
= NULL
;
4070 eapol_sm_set_ext_pw_ctx(wpa_s
->eapol
, NULL
);
4072 if (!wpa_s
->conf
->ext_password_backend
)
4075 val
= os_strdup(wpa_s
->conf
->ext_password_backend
);
4078 pos
= os_strchr(val
, ':');
4082 wpa_printf(MSG_DEBUG
, "EXT PW: Initialize backend '%s'", val
);
4084 wpa_s
->ext_pw
= ext_password_init(val
, pos
);
4086 if (wpa_s
->ext_pw
== NULL
) {
4087 wpa_printf(MSG_DEBUG
, "EXT PW: Failed to initialize backend");
4090 eapol_sm_set_ext_pw_ctx(wpa_s
->eapol
, wpa_s
->ext_pw
);
4098 static const u8
* wpas_fst_get_bssid_cb(void *ctx
)
4100 struct wpa_supplicant
*wpa_s
= ctx
;
4102 return (is_zero_ether_addr(wpa_s
->bssid
) ||
4103 wpa_s
->wpa_state
!= WPA_COMPLETED
) ? NULL
: wpa_s
->bssid
;
4107 static void wpas_fst_get_channel_info_cb(void *ctx
,
4108 enum hostapd_hw_mode
*hw_mode
,
4111 struct wpa_supplicant
*wpa_s
= ctx
;
4113 if (wpa_s
->current_bss
) {
4114 *hw_mode
= ieee80211_freq_to_chan(wpa_s
->current_bss
->freq
,
4116 } else if (wpa_s
->hw
.num_modes
) {
4117 *hw_mode
= wpa_s
->hw
.modes
[0].mode
;
4125 static int wpas_fst_get_hw_modes(void *ctx
, struct hostapd_hw_modes
**modes
)
4127 struct wpa_supplicant
*wpa_s
= ctx
;
4129 *modes
= wpa_s
->hw
.modes
;
4130 return wpa_s
->hw
.num_modes
;
4134 static void wpas_fst_set_ies_cb(void *ctx
, const struct wpabuf
*fst_ies
)
4136 struct wpa_supplicant
*wpa_s
= ctx
;
4138 wpa_hexdump_buf(MSG_DEBUG
, "FST: Set IEs", fst_ies
);
4139 wpa_s
->fst_ies
= fst_ies
;
4143 static int wpas_fst_send_action_cb(void *ctx
, const u8
*da
, struct wpabuf
*data
)
4145 struct wpa_supplicant
*wpa_s
= ctx
;
4147 WPA_ASSERT(os_memcmp(wpa_s
->bssid
, da
, ETH_ALEN
) == 0);
4148 return wpa_drv_send_action(wpa_s
, wpa_s
->assoc_freq
, 0, wpa_s
->bssid
,
4149 wpa_s
->own_addr
, wpa_s
->bssid
,
4150 wpabuf_head(data
), wpabuf_len(data
),
4155 static const struct wpabuf
* wpas_fst_get_mb_ie_cb(void *ctx
, const u8
*addr
)
4157 struct wpa_supplicant
*wpa_s
= ctx
;
4159 WPA_ASSERT(os_memcmp(wpa_s
->bssid
, addr
, ETH_ALEN
) == 0);
4160 return wpa_s
->received_mb_ies
;
4164 static void wpas_fst_update_mb_ie_cb(void *ctx
, const u8
*addr
,
4165 const u8
*buf
, size_t size
)
4167 struct wpa_supplicant
*wpa_s
= ctx
;
4168 struct mb_ies_info info
;
4170 WPA_ASSERT(os_memcmp(wpa_s
->bssid
, addr
, ETH_ALEN
) == 0);
4172 if (!mb_ies_info_by_ies(&info
, buf
, size
)) {
4173 wpabuf_free(wpa_s
->received_mb_ies
);
4174 wpa_s
->received_mb_ies
= mb_ies_by_info(&info
);
4179 static const u8
* wpas_fst_get_peer_first(void *ctx
,
4180 struct fst_get_peer_ctx
**get_ctx
,
4183 struct wpa_supplicant
*wpa_s
= ctx
;
4186 if (!is_zero_ether_addr(wpa_s
->bssid
))
4187 return (wpa_s
->received_mb_ies
|| !mb_only
) ?
4188 wpa_s
->bssid
: NULL
;
4193 static const u8
* wpas_fst_get_peer_next(void *ctx
,
4194 struct fst_get_peer_ctx
**get_ctx
,
4200 void fst_wpa_supplicant_fill_iface_obj(struct wpa_supplicant
*wpa_s
,
4201 struct fst_wpa_obj
*iface_obj
)
4203 iface_obj
->ctx
= wpa_s
;
4204 iface_obj
->get_bssid
= wpas_fst_get_bssid_cb
;
4205 iface_obj
->get_channel_info
= wpas_fst_get_channel_info_cb
;
4206 iface_obj
->get_hw_modes
= wpas_fst_get_hw_modes
;
4207 iface_obj
->set_ies
= wpas_fst_set_ies_cb
;
4208 iface_obj
->send_action
= wpas_fst_send_action_cb
;
4209 iface_obj
->get_mb_ie
= wpas_fst_get_mb_ie_cb
;
4210 iface_obj
->update_mb_ie
= wpas_fst_update_mb_ie_cb
;
4211 iface_obj
->get_peer_first
= wpas_fst_get_peer_first
;
4212 iface_obj
->get_peer_next
= wpas_fst_get_peer_next
;
4214 #endif /* CONFIG_FST */
4216 static int wpas_set_wowlan_triggers(struct wpa_supplicant
*wpa_s
,
4217 const struct wpa_driver_capa
*capa
)
4219 struct wowlan_triggers
*triggers
;
4222 if (!wpa_s
->conf
->wowlan_triggers
)
4225 triggers
= wpa_get_wowlan_triggers(wpa_s
->conf
->wowlan_triggers
, capa
);
4227 ret
= wpa_drv_wowlan(wpa_s
, triggers
);
4234 enum wpa_radio_work_band
wpas_freq_to_band(int freq
)
4237 return BAND_2_4_GHZ
;
4244 unsigned int wpas_get_bands(struct wpa_supplicant
*wpa_s
, const int *freqs
)
4247 unsigned int band
= 0;
4250 /* freqs are specified for the radio work */
4251 for (i
= 0; freqs
[i
]; i
++)
4252 band
|= wpas_freq_to_band(freqs
[i
]);
4255 * freqs are not specified, implies all
4256 * the supported freqs by HW
4258 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
4259 if (wpa_s
->hw
.modes
[i
].num_channels
!= 0) {
4260 if (wpa_s
->hw
.modes
[i
].mode
==
4261 HOSTAPD_MODE_IEEE80211B
||
4262 wpa_s
->hw
.modes
[i
].mode
==
4263 HOSTAPD_MODE_IEEE80211G
)
4264 band
|= BAND_2_4_GHZ
;
4265 else if (wpa_s
->hw
.modes
[i
].mode
==
4266 HOSTAPD_MODE_IEEE80211A
)
4268 else if (wpa_s
->hw
.modes
[i
].mode
==
4269 HOSTAPD_MODE_IEEE80211AD
)
4270 band
|= BAND_60_GHZ
;
4271 else if (wpa_s
->hw
.modes
[i
].mode
==
4272 HOSTAPD_MODE_IEEE80211ANY
)
4273 band
= BAND_2_4_GHZ
| BAND_5_GHZ
|
4283 static struct wpa_radio
* radio_add_interface(struct wpa_supplicant
*wpa_s
,
4286 struct wpa_supplicant
*iface
= wpa_s
->global
->ifaces
;
4287 struct wpa_radio
*radio
;
4289 while (rn
&& iface
) {
4290 radio
= iface
->radio
;
4291 if (radio
&& os_strcmp(rn
, radio
->name
) == 0) {
4292 wpa_printf(MSG_DEBUG
, "Add interface %s to existing radio %s",
4294 dl_list_add(&radio
->ifaces
, &wpa_s
->radio_list
);
4298 iface
= iface
->next
;
4301 wpa_printf(MSG_DEBUG
, "Add interface %s to a new radio %s",
4302 wpa_s
->ifname
, rn
? rn
: "N/A");
4303 radio
= os_zalloc(sizeof(*radio
));
4308 os_strlcpy(radio
->name
, rn
, sizeof(radio
->name
));
4309 dl_list_init(&radio
->ifaces
);
4310 dl_list_init(&radio
->work
);
4311 dl_list_add(&radio
->ifaces
, &wpa_s
->radio_list
);
4317 static void radio_work_free(struct wpa_radio_work
*work
)
4319 if (work
->wpa_s
->scan_work
== work
) {
4320 /* This should not really happen. */
4321 wpa_dbg(work
->wpa_s
, MSG_INFO
, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work",
4322 work
->type
, work
, work
->started
);
4323 work
->wpa_s
->scan_work
= NULL
;
4327 if (work
->wpa_s
->p2p_scan_work
== work
) {
4328 /* This should not really happen. */
4329 wpa_dbg(work
->wpa_s
, MSG_INFO
, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work",
4330 work
->type
, work
, work
->started
);
4331 work
->wpa_s
->p2p_scan_work
= NULL
;
4333 #endif /* CONFIG_P2P */
4335 if (work
->started
) {
4336 work
->wpa_s
->radio
->num_active_works
--;
4337 wpa_dbg(work
->wpa_s
, MSG_DEBUG
,
4338 "radio_work_free('%s'@%p: num_active_works --> %u",
4340 work
->wpa_s
->radio
->num_active_works
);
4343 dl_list_del(&work
->list
);
4348 static struct wpa_radio_work
* radio_work_get_next_work(struct wpa_radio
*radio
)
4350 struct wpa_radio_work
*active_work
= NULL
;
4351 struct wpa_radio_work
*tmp
;
4353 /* Get the active work to know the type and band. */
4354 dl_list_for_each(tmp
, &radio
->work
, struct wpa_radio_work
, list
) {
4362 /* No active work, start one */
4363 radio
->num_active_works
= 0;
4364 dl_list_for_each(tmp
, &radio
->work
, struct wpa_radio_work
,
4366 if (os_strcmp(tmp
->type
, "scan") == 0 &&
4367 radio
->external_scan_running
&&
4368 (((struct wpa_driver_scan_params
*)
4369 tmp
->ctx
)->only_new_results
||
4370 tmp
->wpa_s
->clear_driver_scan_cache
))
4377 if (os_strcmp(active_work
->type
, "sme-connect") == 0 ||
4378 os_strcmp(active_work
->type
, "connect") == 0) {
4380 * If the active work is either connect or sme-connect,
4381 * do not parallelize them with other radio works.
4383 wpa_dbg(active_work
->wpa_s
, MSG_DEBUG
,
4384 "Do not parallelize radio work with %s",
4389 dl_list_for_each(tmp
, &radio
->work
, struct wpa_radio_work
, list
) {
4394 * If connect or sme-connect are enqueued, parallelize only
4395 * those operations ahead of them in the queue.
4397 if (os_strcmp(tmp
->type
, "connect") == 0 ||
4398 os_strcmp(tmp
->type
, "sme-connect") == 0)
4402 * Check that the radio works are distinct and
4403 * on different bands.
4405 if (os_strcmp(active_work
->type
, tmp
->type
) != 0 &&
4406 (active_work
->bands
!= tmp
->bands
)) {
4408 * If a scan has to be scheduled through nl80211 scan
4409 * interface and if an external scan is already running,
4410 * do not schedule the scan since it is likely to get
4411 * rejected by kernel.
4413 if (os_strcmp(tmp
->type
, "scan") == 0 &&
4414 radio
->external_scan_running
&&
4415 (((struct wpa_driver_scan_params
*)
4416 tmp
->ctx
)->only_new_results
||
4417 tmp
->wpa_s
->clear_driver_scan_cache
))
4420 wpa_dbg(active_work
->wpa_s
, MSG_DEBUG
,
4421 "active_work:%s new_work:%s",
4422 active_work
->type
, tmp
->type
);
4427 /* Did not find a radio work to schedule in parallel. */
4432 static void radio_start_next_work(void *eloop_ctx
, void *timeout_ctx
)
4434 struct wpa_radio
*radio
= eloop_ctx
;
4435 struct wpa_radio_work
*work
;
4436 struct os_reltime now
, diff
;
4437 struct wpa_supplicant
*wpa_s
;
4439 work
= dl_list_first(&radio
->work
, struct wpa_radio_work
, list
);
4441 radio
->num_active_works
= 0;
4445 wpa_s
= dl_list_first(&radio
->ifaces
, struct wpa_supplicant
,
4449 wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS
)) {
4451 return; /* already started and still in progress */
4453 if (wpa_s
&& wpa_s
->radio
->external_scan_running
) {
4454 wpa_printf(MSG_DEBUG
, "Delay radio work start until externally triggered scan completes");
4459 if (radio
->num_active_works
< MAX_ACTIVE_WORKS
) {
4460 /* get the work to schedule next */
4461 work
= radio_work_get_next_work(radio
);
4467 wpa_s
= work
->wpa_s
;
4468 os_get_reltime(&now
);
4469 os_reltime_sub(&now
, &work
->time
, &diff
);
4470 wpa_dbg(wpa_s
, MSG_DEBUG
,
4471 "Starting radio work '%s'@%p after %ld.%06ld second wait",
4472 work
->type
, work
, diff
.sec
, diff
.usec
);
4475 radio
->num_active_works
++;
4479 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS
) &&
4480 radio
->num_active_works
< MAX_ACTIVE_WORKS
)
4481 radio_work_check_next(wpa_s
);
4486 * This function removes both started and pending radio works running on
4487 * the provided interface's radio.
4488 * Prior to the removal of the radio work, its callback (cb) is called with
4489 * deinit set to be 1. Each work's callback is responsible for clearing its
4490 * internal data and restoring to a correct state.
4491 * @wpa_s: wpa_supplicant data
4492 * @type: type of works to be removed
4493 * @remove_all: 1 to remove all the works on this radio, 0 to remove only
4494 * this interface's works.
4496 void radio_remove_works(struct wpa_supplicant
*wpa_s
,
4497 const char *type
, int remove_all
)
4499 struct wpa_radio_work
*work
, *tmp
;
4500 struct wpa_radio
*radio
= wpa_s
->radio
;
4502 dl_list_for_each_safe(work
, tmp
, &radio
->work
, struct wpa_radio_work
,
4504 if (type
&& os_strcmp(type
, work
->type
) != 0)
4507 /* skip other ifaces' works */
4508 if (!remove_all
&& work
->wpa_s
!= wpa_s
)
4511 wpa_dbg(wpa_s
, MSG_DEBUG
, "Remove radio work '%s'@%p%s",
4512 work
->type
, work
, work
->started
? " (started)" : "");
4514 radio_work_free(work
);
4517 /* in case we removed the started work */
4518 radio_work_check_next(wpa_s
);
4522 static void radio_remove_interface(struct wpa_supplicant
*wpa_s
)
4524 struct wpa_radio
*radio
= wpa_s
->radio
;
4529 wpa_printf(MSG_DEBUG
, "Remove interface %s from radio %s",
4530 wpa_s
->ifname
, radio
->name
);
4531 dl_list_del(&wpa_s
->radio_list
);
4532 radio_remove_works(wpa_s
, NULL
, 0);
4533 wpa_s
->radio
= NULL
;
4534 if (!dl_list_empty(&radio
->ifaces
))
4535 return; /* Interfaces remain for this radio */
4537 wpa_printf(MSG_DEBUG
, "Remove radio %s", radio
->name
);
4538 eloop_cancel_timeout(radio_start_next_work
, radio
, NULL
);
4543 void radio_work_check_next(struct wpa_supplicant
*wpa_s
)
4545 struct wpa_radio
*radio
= wpa_s
->radio
;
4547 if (dl_list_empty(&radio
->work
))
4549 if (wpa_s
->ext_work_in_progress
) {
4550 wpa_printf(MSG_DEBUG
,
4551 "External radio work in progress - delay start of pending item");
4554 eloop_cancel_timeout(radio_start_next_work
, radio
, NULL
);
4555 eloop_register_timeout(0, 0, radio_start_next_work
, radio
, NULL
);
4560 * radio_add_work - Add a radio work item
4561 * @wpa_s: Pointer to wpa_supplicant data
4562 * @freq: Frequency of the offchannel operation in MHz or 0
4563 * @type: Unique identifier for each type of work
4564 * @next: Force as the next work to be executed
4565 * @cb: Callback function for indicating when radio is available
4566 * @ctx: Context pointer for the work (work->ctx in cb())
4567 * Returns: 0 on success, -1 on failure
4569 * This function is used to request time for an operation that requires
4570 * exclusive radio control. Once the radio is available, the registered callback
4571 * function will be called. radio_work_done() must be called once the exclusive
4572 * radio operation has been completed, so that the radio is freed for other
4573 * operations. The special case of deinit=1 is used to free the context data
4574 * during interface removal. That does not allow the callback function to start
4575 * the radio operation, i.e., it must free any resources allocated for the radio
4578 * The @freq parameter can be used to indicate a single channel on which the
4579 * offchannel operation will occur. This may allow multiple radio work
4580 * operations to be performed in parallel if they apply for the same channel.
4581 * Setting this to 0 indicates that the work item may use multiple channels or
4582 * requires exclusive control of the radio.
4584 int radio_add_work(struct wpa_supplicant
*wpa_s
, unsigned int freq
,
4585 const char *type
, int next
,
4586 void (*cb
)(struct wpa_radio_work
*work
, int deinit
),
4589 struct wpa_radio
*radio
= wpa_s
->radio
;
4590 struct wpa_radio_work
*work
;
4593 work
= os_zalloc(sizeof(*work
));
4596 wpa_dbg(wpa_s
, MSG_DEBUG
, "Add radio work '%s'@%p", type
, work
);
4597 os_get_reltime(&work
->time
);
4600 work
->wpa_s
= wpa_s
;
4605 work
->bands
= wpas_freq_to_band(freq
);
4606 else if (os_strcmp(type
, "scan") == 0 ||
4607 os_strcmp(type
, "p2p-scan") == 0)
4608 work
->bands
= wpas_get_bands(wpa_s
,
4609 ((struct wpa_driver_scan_params
*)
4612 work
->bands
= wpas_get_bands(wpa_s
, NULL
);
4614 was_empty
= dl_list_empty(&wpa_s
->radio
->work
);
4616 dl_list_add(&wpa_s
->radio
->work
, &work
->list
);
4618 dl_list_add_tail(&wpa_s
->radio
->work
, &work
->list
);
4620 wpa_dbg(wpa_s
, MSG_DEBUG
, "First radio work item in the queue - schedule start immediately");
4621 radio_work_check_next(wpa_s
);
4622 } else if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS
)
4623 && radio
->num_active_works
< MAX_ACTIVE_WORKS
) {
4624 wpa_dbg(wpa_s
, MSG_DEBUG
,
4625 "Try to schedule a radio work (num_active_works=%u)",
4626 radio
->num_active_works
);
4627 radio_work_check_next(wpa_s
);
4635 * radio_work_done - Indicate that a radio work item has been completed
4636 * @work: Completed work
4638 * This function is called once the callback function registered with
4639 * radio_add_work() has completed its work.
4641 void radio_work_done(struct wpa_radio_work
*work
)
4643 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
4644 struct os_reltime now
, diff
;
4645 unsigned int started
= work
->started
;
4647 os_get_reltime(&now
);
4648 os_reltime_sub(&now
, &work
->time
, &diff
);
4649 wpa_dbg(wpa_s
, MSG_DEBUG
, "Radio work '%s'@%p %s in %ld.%06ld seconds",
4650 work
->type
, work
, started
? "done" : "canceled",
4651 diff
.sec
, diff
.usec
);
4652 radio_work_free(work
);
4654 radio_work_check_next(wpa_s
);
4658 struct wpa_radio_work
*
4659 radio_work_pending(struct wpa_supplicant
*wpa_s
, const char *type
)
4661 struct wpa_radio_work
*work
;
4662 struct wpa_radio
*radio
= wpa_s
->radio
;
4664 dl_list_for_each(work
, &radio
->work
, struct wpa_radio_work
, list
) {
4665 if (work
->wpa_s
== wpa_s
&& os_strcmp(work
->type
, type
) == 0)
4673 static int wpas_init_driver(struct wpa_supplicant
*wpa_s
,
4674 struct wpa_interface
*iface
)
4676 const char *ifname
, *driver
, *rn
;
4678 driver
= iface
->driver
;
4680 if (wpa_supplicant_set_driver(wpa_s
, driver
) < 0)
4683 wpa_s
->drv_priv
= wpa_drv_init(wpa_s
, wpa_s
->ifname
);
4684 if (wpa_s
->drv_priv
== NULL
) {
4686 pos
= driver
? os_strchr(driver
, ',') : NULL
;
4688 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize "
4689 "driver interface - try next driver wrapper");
4693 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to initialize driver "
4697 if (wpa_drv_set_param(wpa_s
, wpa_s
->conf
->driver_param
) < 0) {
4698 wpa_msg(wpa_s
, MSG_ERROR
, "Driver interface rejected "
4699 "driver_param '%s'", wpa_s
->conf
->driver_param
);
4703 ifname
= wpa_drv_get_ifname(wpa_s
);
4704 if (ifname
&& os_strcmp(ifname
, wpa_s
->ifname
) != 0) {
4705 wpa_dbg(wpa_s
, MSG_DEBUG
, "Driver interface replaced "
4706 "interface name with '%s'", ifname
);
4707 os_strlcpy(wpa_s
->ifname
, ifname
, sizeof(wpa_s
->ifname
));
4710 rn
= wpa_driver_get_radio_name(wpa_s
);
4711 if (rn
&& rn
[0] == '\0')
4714 wpa_s
->radio
= radio_add_interface(wpa_s
, rn
);
4715 if (wpa_s
->radio
== NULL
)
4722 static int wpa_supplicant_init_iface(struct wpa_supplicant
*wpa_s
,
4723 struct wpa_interface
*iface
)
4725 struct wpa_driver_capa capa
;
4728 wpa_printf(MSG_DEBUG
, "Initializing interface '%s' conf '%s' driver "
4729 "'%s' ctrl_interface '%s' bridge '%s'", iface
->ifname
,
4730 iface
->confname
? iface
->confname
: "N/A",
4731 iface
->driver
? iface
->driver
: "default",
4732 iface
->ctrl_interface
? iface
->ctrl_interface
: "N/A",
4733 iface
->bridge_ifname
? iface
->bridge_ifname
: "N/A");
4735 if (iface
->confname
) {
4736 #ifdef CONFIG_BACKEND_FILE
4737 wpa_s
->confname
= os_rel2abs_path(iface
->confname
);
4738 if (wpa_s
->confname
== NULL
) {
4739 wpa_printf(MSG_ERROR
, "Failed to get absolute path "
4740 "for configuration file '%s'.",
4744 wpa_printf(MSG_DEBUG
, "Configuration file '%s' -> '%s'",
4745 iface
->confname
, wpa_s
->confname
);
4746 #else /* CONFIG_BACKEND_FILE */
4747 wpa_s
->confname
= os_strdup(iface
->confname
);
4748 #endif /* CONFIG_BACKEND_FILE */
4749 wpa_s
->conf
= wpa_config_read(wpa_s
->confname
, NULL
);
4750 if (wpa_s
->conf
== NULL
) {
4751 wpa_printf(MSG_ERROR
, "Failed to read or parse "
4752 "configuration '%s'.", wpa_s
->confname
);
4755 wpa_s
->confanother
= os_rel2abs_path(iface
->confanother
);
4756 wpa_config_read(wpa_s
->confanother
, wpa_s
->conf
);
4759 * Override ctrl_interface and driver_param if set on command
4762 if (iface
->ctrl_interface
) {
4763 os_free(wpa_s
->conf
->ctrl_interface
);
4764 wpa_s
->conf
->ctrl_interface
=
4765 os_strdup(iface
->ctrl_interface
);
4768 if (iface
->driver_param
) {
4769 os_free(wpa_s
->conf
->driver_param
);
4770 wpa_s
->conf
->driver_param
=
4771 os_strdup(iface
->driver_param
);
4774 if (iface
->p2p_mgmt
&& !iface
->ctrl_interface
) {
4775 os_free(wpa_s
->conf
->ctrl_interface
);
4776 wpa_s
->conf
->ctrl_interface
= NULL
;
4779 wpa_s
->conf
= wpa_config_alloc_empty(iface
->ctrl_interface
,
4780 iface
->driver_param
);
4782 if (wpa_s
->conf
== NULL
) {
4783 wpa_printf(MSG_ERROR
, "\nNo configuration found.");
4787 if (iface
->ifname
== NULL
) {
4788 wpa_printf(MSG_ERROR
, "\nInterface name is required.");
4791 if (os_strlen(iface
->ifname
) >= sizeof(wpa_s
->ifname
)) {
4792 wpa_printf(MSG_ERROR
, "\nToo long interface name '%s'.",
4796 os_strlcpy(wpa_s
->ifname
, iface
->ifname
, sizeof(wpa_s
->ifname
));
4798 if (iface
->bridge_ifname
) {
4799 if (os_strlen(iface
->bridge_ifname
) >=
4800 sizeof(wpa_s
->bridge_ifname
)) {
4801 wpa_printf(MSG_ERROR
, "\nToo long bridge interface "
4802 "name '%s'.", iface
->bridge_ifname
);
4805 os_strlcpy(wpa_s
->bridge_ifname
, iface
->bridge_ifname
,
4806 sizeof(wpa_s
->bridge_ifname
));
4809 /* RSNA Supplicant Key Management - INITIALIZE */
4810 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
4811 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
4813 /* Initialize driver interface and register driver event handler before
4814 * L2 receive handler so that association events are processed before
4815 * EAPOL-Key packets if both become available for the same select()
4817 if (wpas_init_driver(wpa_s
, iface
) < 0)
4820 if (wpa_supplicant_init_wpa(wpa_s
) < 0)
4823 wpa_sm_set_ifname(wpa_s
->wpa
, wpa_s
->ifname
,
4824 wpa_s
->bridge_ifname
[0] ? wpa_s
->bridge_ifname
:
4826 wpa_sm_set_fast_reauth(wpa_s
->wpa
, wpa_s
->conf
->fast_reauth
);
4828 if (wpa_s
->conf
->dot11RSNAConfigPMKLifetime
&&
4829 wpa_sm_set_param(wpa_s
->wpa
, RSNA_PMK_LIFETIME
,
4830 wpa_s
->conf
->dot11RSNAConfigPMKLifetime
)) {
4831 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
4832 "dot11RSNAConfigPMKLifetime");
4836 if (wpa_s
->conf
->dot11RSNAConfigPMKReauthThreshold
&&
4837 wpa_sm_set_param(wpa_s
->wpa
, RSNA_PMK_REAUTH_THRESHOLD
,
4838 wpa_s
->conf
->dot11RSNAConfigPMKReauthThreshold
)) {
4839 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
4840 "dot11RSNAConfigPMKReauthThreshold");
4844 if (wpa_s
->conf
->dot11RSNAConfigSATimeout
&&
4845 wpa_sm_set_param(wpa_s
->wpa
, RSNA_SA_TIMEOUT
,
4846 wpa_s
->conf
->dot11RSNAConfigSATimeout
)) {
4847 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
4848 "dot11RSNAConfigSATimeout");
4852 wpa_s
->hw
.modes
= wpa_drv_get_hw_feature_data(wpa_s
,
4853 &wpa_s
->hw
.num_modes
,
4855 if (wpa_s
->hw
.modes
) {
4858 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
4859 if (wpa_s
->hw
.modes
[i
].vht_capab
) {
4860 wpa_s
->hw_capab
= CAPAB_VHT
;
4864 if (wpa_s
->hw
.modes
[i
].ht_capab
&
4865 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET
)
4866 wpa_s
->hw_capab
= CAPAB_HT40
;
4867 else if (wpa_s
->hw
.modes
[i
].ht_capab
&&
4868 wpa_s
->hw_capab
== CAPAB_NO_HT_VHT
)
4869 wpa_s
->hw_capab
= CAPAB_HT
;
4873 capa_res
= wpa_drv_get_capa(wpa_s
, &capa
);
4874 if (capa_res
== 0) {
4875 wpa_s
->drv_capa_known
= 1;
4876 wpa_s
->drv_flags
= capa
.flags
;
4877 wpa_s
->drv_enc
= capa
.enc
;
4878 wpa_s
->drv_smps_modes
= capa
.smps_modes
;
4879 wpa_s
->drv_rrm_flags
= capa
.rrm_flags
;
4880 wpa_s
->probe_resp_offloads
= capa
.probe_resp_offloads
;
4881 wpa_s
->max_scan_ssids
= capa
.max_scan_ssids
;
4882 wpa_s
->max_sched_scan_ssids
= capa
.max_sched_scan_ssids
;
4883 wpa_s
->max_sched_scan_plans
= capa
.max_sched_scan_plans
;
4884 wpa_s
->max_sched_scan_plan_interval
=
4885 capa
.max_sched_scan_plan_interval
;
4886 wpa_s
->max_sched_scan_plan_iterations
=
4887 capa
.max_sched_scan_plan_iterations
;
4888 wpa_s
->sched_scan_supported
= capa
.sched_scan_supported
;
4889 wpa_s
->max_match_sets
= capa
.max_match_sets
;
4890 wpa_s
->max_remain_on_chan
= capa
.max_remain_on_chan
;
4891 wpa_s
->max_stations
= capa
.max_stations
;
4892 wpa_s
->extended_capa
= capa
.extended_capa
;
4893 wpa_s
->extended_capa_mask
= capa
.extended_capa_mask
;
4894 wpa_s
->extended_capa_len
= capa
.extended_capa_len
;
4895 wpa_s
->num_multichan_concurrent
=
4896 capa
.num_multichan_concurrent
;
4897 wpa_s
->wmm_ac_supported
= capa
.wmm_ac_supported
;
4899 if (capa
.mac_addr_rand_scan_supported
)
4900 wpa_s
->mac_addr_rand_supported
|= MAC_ADDR_RAND_SCAN
;
4901 if (wpa_s
->sched_scan_supported
&&
4902 capa
.mac_addr_rand_sched_scan_supported
)
4903 wpa_s
->mac_addr_rand_supported
|=
4904 (MAC_ADDR_RAND_SCHED_SCAN
| MAC_ADDR_RAND_PNO
);
4906 if (wpa_s
->max_remain_on_chan
== 0)
4907 wpa_s
->max_remain_on_chan
= 1000;
4910 * Only take p2p_mgmt parameters when P2P Device is supported.
4911 * Doing it here as it determines whether l2_packet_init() will be done
4912 * during wpa_supplicant_driver_init().
4914 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)
4915 wpa_s
->p2p_mgmt
= iface
->p2p_mgmt
;
4917 iface
->p2p_mgmt
= 1;
4919 if (wpa_s
->num_multichan_concurrent
== 0)
4920 wpa_s
->num_multichan_concurrent
= 1;
4922 if (wpa_supplicant_driver_init(wpa_s
) < 0)
4926 if ((!iface
->p2p_mgmt
||
4927 !(wpa_s
->drv_flags
&
4928 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)) &&
4929 wpa_tdls_init(wpa_s
->wpa
))
4931 #endif /* CONFIG_TDLS */
4933 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1] &&
4934 wpa_drv_set_country(wpa_s
, wpa_s
->conf
->country
)) {
4935 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to set country");
4940 if (wpa_s
->conf
->fst_group_id
) {
4941 struct fst_iface_cfg cfg
;
4942 struct fst_wpa_obj iface_obj
;
4944 fst_wpa_supplicant_fill_iface_obj(wpa_s
, &iface_obj
);
4945 os_strlcpy(cfg
.group_id
, wpa_s
->conf
->fst_group_id
,
4946 sizeof(cfg
.group_id
));
4947 cfg
.priority
= wpa_s
->conf
->fst_priority
;
4948 cfg
.llt
= wpa_s
->conf
->fst_llt
;
4950 wpa_s
->fst
= fst_attach(wpa_s
->ifname
, wpa_s
->own_addr
,
4953 wpa_msg(wpa_s
, MSG_ERROR
,
4954 "FST: Cannot attach iface %s to group %s",
4955 wpa_s
->ifname
, cfg
.group_id
);
4959 #endif /* CONFIG_FST */
4961 if (wpas_wps_init(wpa_s
))
4964 if (wpa_supplicant_init_eapol(wpa_s
) < 0)
4966 wpa_sm_set_eapol(wpa_s
->wpa
, wpa_s
->eapol
);
4968 wpa_s
->ctrl_iface
= wpa_supplicant_ctrl_iface_init(wpa_s
);
4969 if (wpa_s
->ctrl_iface
== NULL
) {
4970 wpa_printf(MSG_ERROR
,
4971 "Failed to initialize control interface '%s'.\n"
4972 "You may have another wpa_supplicant process "
4973 "already running or the file was\n"
4974 "left by an unclean termination of wpa_supplicant "
4975 "in which case you will need\n"
4976 "to manually remove this file before starting "
4977 "wpa_supplicant again.\n",
4978 wpa_s
->conf
->ctrl_interface
);
4982 wpa_s
->gas
= gas_query_init(wpa_s
);
4983 if (wpa_s
->gas
== NULL
) {
4984 wpa_printf(MSG_ERROR
, "Failed to initialize GAS query");
4988 if (iface
->p2p_mgmt
&& wpas_p2p_init(wpa_s
->global
, wpa_s
) < 0) {
4989 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to init P2P");
4993 if (wpa_bss_init(wpa_s
) < 0)
4996 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
4998 dl_list_init(&wpa_s
->mesh_external_pmksa_cache
);
4999 #endif /* CONFIG_MESH */
5000 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
5003 * Set Wake-on-WLAN triggers, if configured.
5004 * Note: We don't restore/remove the triggers on shutdown (it doesn't
5005 * have effect anyway when the interface is down).
5007 if (capa_res
== 0 && wpas_set_wowlan_triggers(wpa_s
, &capa
) < 0)
5010 #ifdef CONFIG_EAP_PROXY
5013 wpa_s
->mnc_len
= eapol_sm_get_eap_proxy_imsi(wpa_s
->eapol
, wpa_s
->imsi
,
5015 if (wpa_s
->mnc_len
> 0) {
5016 wpa_s
->imsi
[len
] = '\0';
5017 wpa_printf(MSG_DEBUG
, "eap_proxy: IMSI %s (MNC length %d)",
5018 wpa_s
->imsi
, wpa_s
->mnc_len
);
5020 wpa_printf(MSG_DEBUG
, "eap_proxy: IMSI not available");
5023 #endif /* CONFIG_EAP_PROXY */
5025 if (pcsc_reader_init(wpa_s
) < 0)
5028 if (wpas_init_ext_pw(wpa_s
) < 0)
5031 wpas_rrm_reset(wpa_s
);
5033 wpas_sched_scan_plans_set(wpa_s
, wpa_s
->conf
->sched_scan_plans
);
5037 #endif /* CONFIG_HS20 */
5039 wpas_mbo_update_non_pref_chan(wpa_s
, wpa_s
->conf
->non_pref_chan
);
5040 #endif /* CONFIG_MBO */
5042 wpa_supplicant_set_default_scan_ies(wpa_s
);
5048 static void wpa_supplicant_deinit_iface(struct wpa_supplicant
*wpa_s
,
5049 int notify
, int terminate
)
5051 struct wpa_global
*global
= wpa_s
->global
;
5052 struct wpa_supplicant
*iface
, *prev
;
5054 if (wpa_s
== wpa_s
->parent
)
5055 wpas_p2p_group_remove(wpa_s
, "*");
5057 iface
= global
->ifaces
;
5059 if (iface
->p2pdev
== wpa_s
)
5060 iface
->p2pdev
= iface
->parent
;
5061 if (iface
== wpa_s
|| iface
->parent
!= wpa_s
) {
5062 iface
= iface
->next
;
5065 wpa_printf(MSG_DEBUG
,
5066 "Remove remaining child interface %s from parent %s",
5067 iface
->ifname
, wpa_s
->ifname
);
5069 iface
= iface
->next
;
5070 wpa_supplicant_remove_iface(global
, prev
, terminate
);
5073 wpa_s
->disconnected
= 1;
5074 if (wpa_s
->drv_priv
) {
5075 wpa_supplicant_deauthenticate(wpa_s
,
5076 WLAN_REASON_DEAUTH_LEAVING
);
5078 wpa_drv_set_countermeasures(wpa_s
, 0);
5079 wpa_clear_keys(wpa_s
, NULL
);
5082 wpa_supplicant_cleanup(wpa_s
);
5083 wpas_p2p_deinit_iface(wpa_s
);
5085 wpas_ctrl_radio_work_flush(wpa_s
);
5086 radio_remove_interface(wpa_s
);
5090 fst_detach(wpa_s
->fst
);
5093 if (wpa_s
->received_mb_ies
) {
5094 wpabuf_free(wpa_s
->received_mb_ies
);
5095 wpa_s
->received_mb_ies
= NULL
;
5097 #endif /* CONFIG_FST */
5099 if (wpa_s
->drv_priv
)
5100 wpa_drv_deinit(wpa_s
);
5103 wpas_notify_iface_removed(wpa_s
);
5106 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_TERMINATING
);
5108 if (wpa_s
->ctrl_iface
) {
5109 wpa_supplicant_ctrl_iface_deinit(wpa_s
->ctrl_iface
);
5110 wpa_s
->ctrl_iface
= NULL
;
5115 wpa_supplicant_mesh_iface_deinit(wpa_s
, wpa_s
->ifmsh
);
5116 wpa_s
->ifmsh
= NULL
;
5118 #endif /* CONFIG_MESH */
5120 if (wpa_s
->conf
!= NULL
) {
5121 wpa_config_free(wpa_s
->conf
);
5125 os_free(wpa_s
->ssids_from_scan_req
);
5131 #ifdef CONFIG_MATCH_IFACE
5134 * wpa_supplicant_match_iface - Match an interface description to a name
5135 * @global: Pointer to global data from wpa_supplicant_init()
5136 * @ifname: Name of the interface to match
5137 * Returns: Pointer to the created interface description or %NULL on failure
5139 struct wpa_interface
* wpa_supplicant_match_iface(struct wpa_global
*global
,
5143 struct wpa_interface
*iface
, *miface
;
5145 for (i
= 0; i
< global
->params
.match_iface_count
; i
++) {
5146 miface
= &global
->params
.match_ifaces
[i
];
5147 if (!miface
->ifname
||
5148 fnmatch(miface
->ifname
, ifname
, 0) == 0) {
5149 iface
= os_zalloc(sizeof(*iface
));
5153 iface
->ifname
= ifname
;
5163 * wpa_supplicant_match_existing - Match existing interfaces
5164 * @global: Pointer to global data from wpa_supplicant_init()
5165 * Returns: 0 on success, -1 on failure
5167 static int wpa_supplicant_match_existing(struct wpa_global
*global
)
5169 struct if_nameindex
*ifi
, *ifp
;
5170 struct wpa_supplicant
*wpa_s
;
5171 struct wpa_interface
*iface
;
5173 ifp
= if_nameindex();
5175 wpa_printf(MSG_ERROR
, "if_nameindex: %s", strerror(errno
));
5179 for (ifi
= ifp
; ifi
->if_name
; ifi
++) {
5180 wpa_s
= wpa_supplicant_get_iface(global
, ifi
->if_name
);
5183 iface
= wpa_supplicant_match_iface(global
, ifi
->if_name
);
5185 wpa_s
= wpa_supplicant_add_iface(global
, iface
, NULL
);
5192 if_freenameindex(ifp
);
5196 #endif /* CONFIG_MATCH_IFACE */
5200 * wpa_supplicant_add_iface - Add a new network interface
5201 * @global: Pointer to global data from wpa_supplicant_init()
5202 * @iface: Interface configuration options
5203 * @parent: Parent interface or %NULL to assign new interface as parent
5204 * Returns: Pointer to the created interface or %NULL on failure
5206 * This function is used to add new network interfaces for %wpa_supplicant.
5207 * This can be called before wpa_supplicant_run() to add interfaces before the
5208 * main event loop has been started. In addition, new interfaces can be added
5209 * dynamically while %wpa_supplicant is already running. This could happen,
5210 * e.g., when a hotplug network adapter is inserted.
5212 struct wpa_supplicant
* wpa_supplicant_add_iface(struct wpa_global
*global
,
5213 struct wpa_interface
*iface
,
5214 struct wpa_supplicant
*parent
)
5216 struct wpa_supplicant
*wpa_s
;
5217 struct wpa_interface t_iface
;
5218 struct wpa_ssid
*ssid
;
5220 if (global
== NULL
|| iface
== NULL
)
5223 wpa_s
= wpa_supplicant_alloc(parent
);
5227 wpa_s
->global
= global
;
5230 if (global
->params
.override_driver
) {
5231 wpa_printf(MSG_DEBUG
, "Override interface parameter: driver "
5233 iface
->driver
, global
->params
.override_driver
);
5234 t_iface
.driver
= global
->params
.override_driver
;
5236 if (global
->params
.override_ctrl_interface
) {
5237 wpa_printf(MSG_DEBUG
, "Override interface parameter: "
5238 "ctrl_interface ('%s' -> '%s')",
5239 iface
->ctrl_interface
,
5240 global
->params
.override_ctrl_interface
);
5241 t_iface
.ctrl_interface
=
5242 global
->params
.override_ctrl_interface
;
5244 if (wpa_supplicant_init_iface(wpa_s
, &t_iface
)) {
5245 wpa_printf(MSG_DEBUG
, "Failed to add interface %s",
5247 wpa_supplicant_deinit_iface(wpa_s
, 0, 0);
5251 if (iface
->p2p_mgmt
== 0) {
5252 /* Notify the control interfaces about new iface */
5253 if (wpas_notify_iface_added(wpa_s
)) {
5254 wpa_supplicant_deinit_iface(wpa_s
, 1, 0);
5258 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
5259 wpas_notify_network_added(wpa_s
, ssid
);
5262 wpa_s
->next
= global
->ifaces
;
5263 global
->ifaces
= wpa_s
;
5265 wpa_dbg(wpa_s
, MSG_DEBUG
, "Added interface %s", wpa_s
->ifname
);
5266 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
5269 if (wpa_s
->global
->p2p
== NULL
&&
5270 !wpa_s
->global
->p2p_disabled
&& !wpa_s
->conf
->p2p_disabled
&&
5271 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
5272 wpas_p2p_add_p2pdev_interface(
5273 wpa_s
, wpa_s
->global
->params
.conf_p2p_dev
) < 0) {
5274 wpa_printf(MSG_INFO
,
5275 "P2P: Failed to enable P2P Device interface");
5276 /* Try to continue without. P2P will be disabled. */
5278 #endif /* CONFIG_P2P */
5285 * wpa_supplicant_remove_iface - Remove a network interface
5286 * @global: Pointer to global data from wpa_supplicant_init()
5287 * @wpa_s: Pointer to the network interface to be removed
5288 * Returns: 0 if interface was removed, -1 if interface was not found
5290 * This function can be used to dynamically remove network interfaces from
5291 * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In
5292 * addition, this function is used to remove all remaining interfaces when
5293 * %wpa_supplicant is terminated.
5295 int wpa_supplicant_remove_iface(struct wpa_global
*global
,
5296 struct wpa_supplicant
*wpa_s
,
5299 struct wpa_supplicant
*prev
;
5301 unsigned int mesh_if_created
= wpa_s
->mesh_if_created
;
5302 char *ifname
= NULL
;
5303 #endif /* CONFIG_MESH */
5305 /* Remove interface from the global list of interfaces */
5306 prev
= global
->ifaces
;
5307 if (prev
== wpa_s
) {
5308 global
->ifaces
= wpa_s
->next
;
5310 while (prev
&& prev
->next
!= wpa_s
)
5314 prev
->next
= wpa_s
->next
;
5317 wpa_dbg(wpa_s
, MSG_DEBUG
, "Removing interface %s", wpa_s
->ifname
);
5320 if (mesh_if_created
) {
5321 ifname
= os_strdup(wpa_s
->ifname
);
5322 if (ifname
== NULL
) {
5323 wpa_dbg(wpa_s
, MSG_ERROR
,
5324 "mesh: Failed to malloc ifname");
5328 #endif /* CONFIG_MESH */
5330 if (global
->p2p_group_formation
== wpa_s
)
5331 global
->p2p_group_formation
= NULL
;
5332 if (global
->p2p_invite_group
== wpa_s
)
5333 global
->p2p_invite_group
= NULL
;
5334 wpa_supplicant_deinit_iface(wpa_s
, 1, terminate
);
5337 if (mesh_if_created
) {
5338 wpa_drv_if_remove(global
->ifaces
, WPA_IF_MESH
, ifname
);
5341 #endif /* CONFIG_MESH */
5348 * wpa_supplicant_get_eap_mode - Get the current EAP mode
5349 * @wpa_s: Pointer to the network interface
5350 * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found
5352 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant
*wpa_s
)
5354 const char *eapol_method
;
5356 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) == 0 &&
5357 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
5361 eapol_method
= eapol_sm_get_method_name(wpa_s
->eapol
);
5362 if (eapol_method
== NULL
)
5363 return "UNKNOWN-EAP";
5365 return eapol_method
;
5370 * wpa_supplicant_get_iface - Get a new network interface
5371 * @global: Pointer to global data from wpa_supplicant_init()
5372 * @ifname: Interface name
5373 * Returns: Pointer to the interface or %NULL if not found
5375 struct wpa_supplicant
* wpa_supplicant_get_iface(struct wpa_global
*global
,
5378 struct wpa_supplicant
*wpa_s
;
5380 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5381 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5388 #ifndef CONFIG_NO_WPA_MSG
5389 static const char * wpa_supplicant_msg_ifname_cb(void *ctx
)
5391 struct wpa_supplicant
*wpa_s
= ctx
;
5394 return wpa_s
->ifname
;
5396 #endif /* CONFIG_NO_WPA_MSG */
5399 #ifndef WPA_SUPPLICANT_CLEANUP_INTERVAL
5400 #define WPA_SUPPLICANT_CLEANUP_INTERVAL 10
5401 #endif /* WPA_SUPPLICANT_CLEANUP_INTERVAL */
5403 /* Periodic cleanup tasks */
5404 static void wpas_periodic(void *eloop_ctx
, void *timeout_ctx
)
5406 struct wpa_global
*global
= eloop_ctx
;
5407 struct wpa_supplicant
*wpa_s
;
5409 eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL
, 0,
5410 wpas_periodic
, global
, NULL
);
5414 p2p_expire_peers(global
->p2p
);
5415 #endif /* CONFIG_P2P */
5417 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5418 wpa_bss_flush_by_age(wpa_s
, wpa_s
->conf
->bss_expiration_age
);
5421 #endif /* CONFIG_AP */
5427 * wpa_supplicant_init - Initialize %wpa_supplicant
5428 * @params: Parameters for %wpa_supplicant
5429 * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure
5431 * This function is used to initialize %wpa_supplicant. After successful
5432 * initialization, the returned data pointer can be used to add and remove
5433 * network interfaces, and eventually, to deinitialize %wpa_supplicant.
5435 struct wpa_global
* wpa_supplicant_init(struct wpa_params
*params
)
5437 struct wpa_global
*global
;
5443 #ifdef CONFIG_DRIVER_NDIS
5445 void driver_ndis_init_ops(void);
5446 driver_ndis_init_ops();
5448 #endif /* CONFIG_DRIVER_NDIS */
5450 #ifndef CONFIG_NO_WPA_MSG
5451 wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb
);
5452 #endif /* CONFIG_NO_WPA_MSG */
5454 if (params
->wpa_debug_file_path
)
5455 wpa_debug_open_file(params
->wpa_debug_file_path
);
5457 wpa_debug_setup_stdout();
5458 if (params
->wpa_debug_syslog
)
5459 wpa_debug_open_syslog();
5460 if (params
->wpa_debug_tracing
) {
5461 ret
= wpa_debug_open_linux_tracing();
5463 wpa_printf(MSG_ERROR
,
5464 "Failed to enable trace logging");
5469 ret
= eap_register_methods();
5471 wpa_printf(MSG_ERROR
, "Failed to register EAP methods");
5473 wpa_printf(MSG_ERROR
, "Two or more EAP methods used "
5474 "the same EAP type.");
5478 global
= os_zalloc(sizeof(*global
));
5481 dl_list_init(&global
->p2p_srv_bonjour
);
5482 dl_list_init(&global
->p2p_srv_upnp
);
5483 global
->params
.daemonize
= params
->daemonize
;
5484 global
->params
.wait_for_monitor
= params
->wait_for_monitor
;
5485 global
->params
.dbus_ctrl_interface
= params
->dbus_ctrl_interface
;
5486 if (params
->pid_file
)
5487 global
->params
.pid_file
= os_strdup(params
->pid_file
);
5488 if (params
->ctrl_interface
)
5489 global
->params
.ctrl_interface
=
5490 os_strdup(params
->ctrl_interface
);
5491 if (params
->ctrl_interface_group
)
5492 global
->params
.ctrl_interface_group
=
5493 os_strdup(params
->ctrl_interface_group
);
5494 if (params
->override_driver
)
5495 global
->params
.override_driver
=
5496 os_strdup(params
->override_driver
);
5497 if (params
->override_ctrl_interface
)
5498 global
->params
.override_ctrl_interface
=
5499 os_strdup(params
->override_ctrl_interface
);
5500 #ifdef CONFIG_MATCH_IFACE
5501 global
->params
.match_iface_count
= params
->match_iface_count
;
5502 if (params
->match_iface_count
) {
5503 global
->params
.match_ifaces
=
5504 os_calloc(params
->match_iface_count
,
5505 sizeof(struct wpa_interface
));
5506 os_memcpy(global
->params
.match_ifaces
,
5507 params
->match_ifaces
,
5508 params
->match_iface_count
*
5509 sizeof(struct wpa_interface
));
5511 #endif /* CONFIG_MATCH_IFACE */
5513 if (params
->conf_p2p_dev
)
5514 global
->params
.conf_p2p_dev
=
5515 os_strdup(params
->conf_p2p_dev
);
5516 #endif /* CONFIG_P2P */
5517 wpa_debug_level
= global
->params
.wpa_debug_level
=
5518 params
->wpa_debug_level
;
5519 wpa_debug_show_keys
= global
->params
.wpa_debug_show_keys
=
5520 params
->wpa_debug_show_keys
;
5521 wpa_debug_timestamp
= global
->params
.wpa_debug_timestamp
=
5522 params
->wpa_debug_timestamp
;
5524 wpa_printf(MSG_DEBUG
, "wpa_supplicant v" VERSION_STR
);
5527 wpa_printf(MSG_ERROR
, "Failed to initialize event loop");
5528 wpa_supplicant_deinit(global
);
5532 random_init(params
->entropy_file
);
5534 global
->ctrl_iface
= wpa_supplicant_global_ctrl_iface_init(global
);
5535 if (global
->ctrl_iface
== NULL
) {
5536 wpa_supplicant_deinit(global
);
5540 if (wpas_notify_supplicant_initialized(global
)) {
5541 wpa_supplicant_deinit(global
);
5545 for (i
= 0; wpa_drivers
[i
]; i
++)
5546 global
->drv_count
++;
5547 if (global
->drv_count
== 0) {
5548 wpa_printf(MSG_ERROR
, "No drivers enabled");
5549 wpa_supplicant_deinit(global
);
5552 global
->drv_priv
= os_calloc(global
->drv_count
, sizeof(void *));
5553 if (global
->drv_priv
== NULL
) {
5554 wpa_supplicant_deinit(global
);
5558 #ifdef CONFIG_WIFI_DISPLAY
5559 if (wifi_display_init(global
) < 0) {
5560 wpa_printf(MSG_ERROR
, "Failed to initialize Wi-Fi Display");
5561 wpa_supplicant_deinit(global
);
5564 #endif /* CONFIG_WIFI_DISPLAY */
5566 eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL
, 0,
5567 wpas_periodic
, global
, NULL
);
5574 * wpa_supplicant_run - Run the %wpa_supplicant main event loop
5575 * @global: Pointer to global data from wpa_supplicant_init()
5576 * Returns: 0 after successful event loop run, -1 on failure
5578 * This function starts the main event loop and continues running as long as
5579 * there are any remaining events. In most cases, this function is running as
5580 * long as the %wpa_supplicant process in still in use.
5582 int wpa_supplicant_run(struct wpa_global
*global
)
5584 struct wpa_supplicant
*wpa_s
;
5586 if (global
->params
.daemonize
&&
5587 (wpa_supplicant_daemon(global
->params
.pid_file
) ||
5588 eloop_sock_requeue()))
5591 #ifdef CONFIG_MATCH_IFACE
5592 if (wpa_supplicant_match_existing(global
))
5596 if (global
->params
.wait_for_monitor
) {
5597 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
)
5598 if (wpa_s
->ctrl_iface
&& !wpa_s
->p2p_mgmt
)
5599 wpa_supplicant_ctrl_iface_wait(
5603 eloop_register_signal_terminate(wpa_supplicant_terminate
, global
);
5604 eloop_register_signal_reconfig(wpa_supplicant_reconfig
, global
);
5613 * wpa_supplicant_deinit - Deinitialize %wpa_supplicant
5614 * @global: Pointer to global data from wpa_supplicant_init()
5616 * This function is called to deinitialize %wpa_supplicant and to free all
5617 * allocated resources. Remaining network interfaces will also be removed.
5619 void wpa_supplicant_deinit(struct wpa_global
*global
)
5626 eloop_cancel_timeout(wpas_periodic
, global
, NULL
);
5628 #ifdef CONFIG_WIFI_DISPLAY
5629 wifi_display_deinit(global
);
5630 #endif /* CONFIG_WIFI_DISPLAY */
5632 while (global
->ifaces
)
5633 wpa_supplicant_remove_iface(global
, global
->ifaces
, 1);
5635 if (global
->ctrl_iface
)
5636 wpa_supplicant_global_ctrl_iface_deinit(global
->ctrl_iface
);
5638 wpas_notify_supplicant_deinitialized(global
);
5640 eap_peer_unregister_methods();
5642 eap_server_unregister_methods();
5643 #endif /* CONFIG_AP */
5645 for (i
= 0; wpa_drivers
[i
] && global
->drv_priv
; i
++) {
5646 if (!global
->drv_priv
[i
])
5648 wpa_drivers
[i
]->global_deinit(global
->drv_priv
[i
]);
5650 os_free(global
->drv_priv
);
5656 if (global
->params
.pid_file
) {
5657 os_daemonize_terminate(global
->params
.pid_file
);
5658 os_free(global
->params
.pid_file
);
5660 os_free(global
->params
.ctrl_interface
);
5661 os_free(global
->params
.ctrl_interface_group
);
5662 os_free(global
->params
.override_driver
);
5663 os_free(global
->params
.override_ctrl_interface
);
5664 #ifdef CONFIG_MATCH_IFACE
5665 os_free(global
->params
.match_ifaces
);
5666 #endif /* CONFIG_MATCH_IFACE */
5668 os_free(global
->params
.conf_p2p_dev
);
5669 #endif /* CONFIG_P2P */
5671 os_free(global
->p2p_disallow_freq
.range
);
5672 os_free(global
->p2p_go_avoid_freq
.range
);
5673 os_free(global
->add_psk
);
5676 wpa_debug_close_syslog();
5677 wpa_debug_close_file();
5678 wpa_debug_close_linux_tracing();
5682 void wpa_supplicant_update_config(struct wpa_supplicant
*wpa_s
)
5684 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
5685 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
5687 country
[0] = wpa_s
->conf
->country
[0];
5688 country
[1] = wpa_s
->conf
->country
[1];
5690 if (wpa_drv_set_country(wpa_s
, country
) < 0) {
5691 wpa_printf(MSG_ERROR
, "Failed to set country code "
5696 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_EXT_PW_BACKEND
)
5697 wpas_init_ext_pw(wpa_s
);
5699 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SCHED_SCAN_PLANS
)
5700 wpas_sched_scan_plans_set(wpa_s
, wpa_s
->conf
->sched_scan_plans
);
5703 wpas_wps_update_config(wpa_s
);
5704 #endif /* CONFIG_WPS */
5705 wpas_p2p_update_config(wpa_s
);
5706 wpa_s
->conf
->changed_parameters
= 0;
5710 void add_freq(int *freqs
, int *num_freqs
, int freq
)
5714 for (i
= 0; i
< *num_freqs
; i
++) {
5715 if (freqs
[i
] == freq
)
5719 freqs
[*num_freqs
] = freq
;
5724 static int * get_bss_freqs_in_ess(struct wpa_supplicant
*wpa_s
)
5726 struct wpa_bss
*bss
, *cbss
;
5727 const int max_freqs
= 10;
5731 freqs
= os_calloc(max_freqs
+ 1, sizeof(int));
5735 cbss
= wpa_s
->current_bss
;
5737 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
5740 if (bss
->ssid_len
== cbss
->ssid_len
&&
5741 os_memcmp(bss
->ssid
, cbss
->ssid
, bss
->ssid_len
) == 0 &&
5742 wpa_blacklist_get(wpa_s
, bss
->bssid
) == NULL
) {
5743 add_freq(freqs
, &num_freqs
, bss
->freq
);
5744 if (num_freqs
== max_freqs
)
5749 if (num_freqs
== 0) {
5758 void wpas_connection_failed(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
5764 wpas_connect_work_done(wpa_s
);
5767 * Remove possible authentication timeout since the connection failed.
5769 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
5772 * There is no point in blacklisting the AP if this event is
5773 * generated based on local request to disconnect.
5775 if (wpa_s
->own_disconnect_req
) {
5776 wpa_s
->own_disconnect_req
= 0;
5777 wpa_dbg(wpa_s
, MSG_DEBUG
,
5778 "Ignore connection failure due to local request to disconnect");
5781 if (wpa_s
->disconnected
) {
5782 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore connection failure "
5783 "indication since interface has been put into "
5784 "disconnected state");
5789 * Add the failed BSSID into the blacklist and speed up next scan
5790 * attempt if there could be other APs that could accept association.
5791 * The current blacklist count indicates how many times we have tried
5792 * connecting to this AP and multiple attempts mean that other APs are
5793 * either not available or has already been tried, so that we can start
5794 * increasing the delay here to avoid constant scanning.
5796 count
= wpa_blacklist_add(wpa_s
, bssid
);
5797 if (count
== 1 && wpa_s
->current_bss
) {
5799 * This BSS was not in the blacklist before. If there is
5800 * another BSS available for the same ESS, we should try that
5801 * next. Otherwise, we may as well try this one once more
5802 * before allowing other, likely worse, ESSes to be considered.
5804 freqs
= get_bss_freqs_in_ess(wpa_s
);
5806 wpa_dbg(wpa_s
, MSG_DEBUG
, "Another BSS in this ESS "
5807 "has been seen; try it next");
5808 wpa_blacklist_add(wpa_s
, bssid
);
5810 * On the next scan, go through only the known channels
5811 * used in this ESS based on previous scans to speed up
5812 * common load balancing use case.
5814 os_free(wpa_s
->next_scan_freqs
);
5815 wpa_s
->next_scan_freqs
= freqs
;
5820 * Add previous failure count in case the temporary blacklist was
5821 * cleared due to no other BSSes being available.
5823 count
+= wpa_s
->extra_blacklist_count
;
5825 if (count
> 3 && wpa_s
->current_ssid
) {
5826 wpa_printf(MSG_DEBUG
, "Continuous association failures - "
5827 "consider temporary network disabling");
5828 wpas_auth_failed(wpa_s
, "CONN_FAILED");
5849 wpa_dbg(wpa_s
, MSG_DEBUG
, "Blacklist count %d --> request scan in %d "
5850 "ms", count
, timeout
);
5853 * TODO: if more than one possible AP is available in scan results,
5854 * could try the other ones before requesting a new scan.
5856 wpa_supplicant_req_scan(wpa_s
, timeout
/ 1000,
5857 1000 * (timeout
% 1000));
5861 int wpas_driver_bss_selection(struct wpa_supplicant
*wpa_s
)
5863 return wpa_s
->conf
->ap_scan
== 2 ||
5864 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_BSS_SELECTION
);
5868 #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW)
5869 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant
*wpa_s
,
5870 struct wpa_ssid
*ssid
,
5874 #ifdef IEEE8021X_EAPOL
5875 struct eap_peer_config
*eap
= &ssid
->eap
;
5877 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: response handle field=%s", field
);
5878 wpa_hexdump_ascii_key(MSG_DEBUG
, "CTRL_IFACE: response value",
5879 (const u8
*) value
, os_strlen(value
));
5881 switch (wpa_supplicant_ctrl_req_from_string(field
)) {
5882 case WPA_CTRL_REQ_EAP_IDENTITY
:
5883 os_free(eap
->identity
);
5884 eap
->identity
= (u8
*) os_strdup(value
);
5885 eap
->identity_len
= os_strlen(value
);
5886 eap
->pending_req_identity
= 0;
5887 if (ssid
== wpa_s
->current_ssid
)
5888 wpa_s
->reassociate
= 1;
5890 case WPA_CTRL_REQ_EAP_PASSWORD
:
5891 bin_clear_free(eap
->password
, eap
->password_len
);
5892 eap
->password
= (u8
*) os_strdup(value
);
5893 eap
->password_len
= os_strlen(value
);
5894 eap
->pending_req_password
= 0;
5895 if (ssid
== wpa_s
->current_ssid
)
5896 wpa_s
->reassociate
= 1;
5898 case WPA_CTRL_REQ_EAP_NEW_PASSWORD
:
5899 bin_clear_free(eap
->new_password
, eap
->new_password_len
);
5900 eap
->new_password
= (u8
*) os_strdup(value
);
5901 eap
->new_password_len
= os_strlen(value
);
5902 eap
->pending_req_new_password
= 0;
5903 if (ssid
== wpa_s
->current_ssid
)
5904 wpa_s
->reassociate
= 1;
5906 case WPA_CTRL_REQ_EAP_PIN
:
5907 str_clear_free(eap
->pin
);
5908 eap
->pin
= os_strdup(value
);
5909 eap
->pending_req_pin
= 0;
5910 if (ssid
== wpa_s
->current_ssid
)
5911 wpa_s
->reassociate
= 1;
5913 case WPA_CTRL_REQ_EAP_OTP
:
5914 bin_clear_free(eap
->otp
, eap
->otp_len
);
5915 eap
->otp
= (u8
*) os_strdup(value
);
5916 eap
->otp_len
= os_strlen(value
);
5917 os_free(eap
->pending_req_otp
);
5918 eap
->pending_req_otp
= NULL
;
5919 eap
->pending_req_otp_len
= 0;
5921 case WPA_CTRL_REQ_EAP_PASSPHRASE
:
5922 str_clear_free(eap
->private_key_passwd
);
5923 eap
->private_key_passwd
= os_strdup(value
);
5924 eap
->pending_req_passphrase
= 0;
5925 if (ssid
== wpa_s
->current_ssid
)
5926 wpa_s
->reassociate
= 1;
5928 case WPA_CTRL_REQ_SIM
:
5929 str_clear_free(eap
->external_sim_resp
);
5930 eap
->external_sim_resp
= os_strdup(value
);
5932 case WPA_CTRL_REQ_PSK_PASSPHRASE
:
5933 if (wpa_config_set(ssid
, "psk", value
, 0) < 0)
5935 ssid
->mem_only_psk
= 1;
5936 if (ssid
->passphrase
)
5937 wpa_config_update_psk(ssid
);
5938 if (wpa_s
->wpa_state
== WPA_SCANNING
&& !wpa_s
->scanning
)
5939 wpa_supplicant_req_scan(wpa_s
, 0, 0);
5941 case WPA_CTRL_REQ_EXT_CERT_CHECK
:
5942 if (eap
->pending_ext_cert_check
!= PENDING_CHECK
)
5944 if (os_strcmp(value
, "good") == 0)
5945 eap
->pending_ext_cert_check
= EXT_CERT_CHECK_GOOD
;
5946 else if (os_strcmp(value
, "bad") == 0)
5947 eap
->pending_ext_cert_check
= EXT_CERT_CHECK_BAD
;
5952 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: Unknown field '%s'", field
);
5957 #else /* IEEE8021X_EAPOL */
5958 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: IEEE 802.1X not included");
5960 #endif /* IEEE8021X_EAPOL */
5962 #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */
5965 int wpas_network_disabled(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
5968 unsigned int drv_enc
;
5970 if (wpa_s
->p2p_mgmt
)
5971 return 1; /* no normal network profiles on p2p_mgmt interface */
5979 if (wpa_s
->drv_capa_known
)
5980 drv_enc
= wpa_s
->drv_enc
;
5982 drv_enc
= (unsigned int) -1;
5984 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
5985 size_t len
= ssid
->wep_key_len
[i
];
5988 if (len
== 5 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP40
))
5990 if (len
== 13 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP104
))
5992 if (len
== 16 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP128
))
5994 return 1; /* invalid WEP key */
5997 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
) && !ssid
->psk_set
&&
5998 (!ssid
->passphrase
|| ssid
->ssid_len
!= 0) && !ssid
->ext_psk
&&
5999 !ssid
->mem_only_psk
)
6006 int wpas_get_ssid_pmf(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
6008 #ifdef CONFIG_IEEE80211W
6009 if (ssid
== NULL
|| ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
) {
6010 if (wpa_s
->conf
->pmf
== MGMT_FRAME_PROTECTION_OPTIONAL
&&
6011 !(wpa_s
->drv_enc
& WPA_DRIVER_CAPA_ENC_BIP
)) {
6013 * Driver does not support BIP -- ignore pmf=1 default
6014 * since the connection with PMF would fail and the
6015 * configuration does not require PMF to be enabled.
6017 return NO_MGMT_FRAME_PROTECTION
;
6022 ~(WPA_KEY_MGMT_NONE
| WPA_KEY_MGMT_WPS
|
6023 WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) == 0) {
6025 * Do not use the default PMF value for non-RSN networks
6026 * since PMF is available only with RSN and pmf=2
6027 * configuration would otherwise prevent connections to
6028 * all open networks.
6030 return NO_MGMT_FRAME_PROTECTION
;
6033 return wpa_s
->conf
->pmf
;
6036 return ssid
->ieee80211w
;
6037 #else /* CONFIG_IEEE80211W */
6038 return NO_MGMT_FRAME_PROTECTION
;
6039 #endif /* CONFIG_IEEE80211W */
6043 int wpas_is_p2p_prioritized(struct wpa_supplicant
*wpa_s
)
6045 if (wpa_s
->global
->conc_pref
== WPA_CONC_PREF_P2P
)
6047 if (wpa_s
->global
->conc_pref
== WPA_CONC_PREF_STA
)
6053 void wpas_auth_failed(struct wpa_supplicant
*wpa_s
, char *reason
)
6055 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
6057 struct os_reltime now
;
6060 wpa_printf(MSG_DEBUG
, "Authentication failure but no known "
6065 if (ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
)
6068 ssid
->auth_failures
++;
6071 if (ssid
->p2p_group
&&
6072 (wpa_s
->p2p_in_provisioning
|| wpa_s
->show_group_started
)) {
6074 * Skip the wait time since there is a short timeout on the
6075 * connection to a P2P group.
6079 #endif /* CONFIG_P2P */
6081 if (ssid
->auth_failures
> 50)
6083 else if (ssid
->auth_failures
> 10)
6085 else if (ssid
->auth_failures
> 5)
6087 else if (ssid
->auth_failures
> 3)
6089 else if (ssid
->auth_failures
> 2)
6091 else if (ssid
->auth_failures
> 1)
6096 if (ssid
->auth_failures
> 1 &&
6097 wpa_key_mgmt_wpa_ieee8021x(ssid
->key_mgmt
))
6098 dur
+= os_random() % (ssid
->auth_failures
* 10);
6100 os_get_reltime(&now
);
6101 if (now
.sec
+ dur
<= ssid
->disabled_until
.sec
)
6104 ssid
->disabled_until
.sec
= now
.sec
+ dur
;
6106 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_TEMP_DISABLED
6107 "id=%d ssid=\"%s\" auth_failures=%u duration=%d reason=%s",
6108 ssid
->id
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
6109 ssid
->auth_failures
, dur
, reason
);
6113 void wpas_clear_temp_disabled(struct wpa_supplicant
*wpa_s
,
6114 struct wpa_ssid
*ssid
, int clear_failures
)
6119 if (ssid
->disabled_until
.sec
) {
6120 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_REENABLED
6121 "id=%d ssid=\"%s\"",
6122 ssid
->id
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
6124 ssid
->disabled_until
.sec
= 0;
6125 ssid
->disabled_until
.usec
= 0;
6127 ssid
->auth_failures
= 0;
6131 int disallowed_bssid(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
6135 if (wpa_s
->disallow_aps_bssid
== NULL
)
6138 for (i
= 0; i
< wpa_s
->disallow_aps_bssid_count
; i
++) {
6139 if (os_memcmp(wpa_s
->disallow_aps_bssid
+ i
* ETH_ALEN
,
6140 bssid
, ETH_ALEN
) == 0)
6148 int disallowed_ssid(struct wpa_supplicant
*wpa_s
, const u8
*ssid
,
6153 if (wpa_s
->disallow_aps_ssid
== NULL
|| ssid
== NULL
)
6156 for (i
= 0; i
< wpa_s
->disallow_aps_ssid_count
; i
++) {
6157 struct wpa_ssid_value
*s
= &wpa_s
->disallow_aps_ssid
[i
];
6158 if (ssid_len
== s
->ssid_len
&&
6159 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
6168 * wpas_request_connection - Request a new connection
6169 * @wpa_s: Pointer to the network interface
6171 * This function is used to request a new connection to be found. It will mark
6172 * the interface to allow reassociation and request a new scan to find a
6173 * suitable network to connect to.
6175 void wpas_request_connection(struct wpa_supplicant
*wpa_s
)
6177 wpa_s
->normal_scans
= 0;
6178 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
6179 wpa_supplicant_reinit_autoscan(wpa_s
);
6180 wpa_s
->extra_blacklist_count
= 0;
6181 wpa_s
->disconnected
= 0;
6182 wpa_s
->reassociate
= 1;
6184 if (wpa_supplicant_fast_associate(wpa_s
) != 1)
6185 wpa_supplicant_req_scan(wpa_s
, 0, 0);
6187 wpa_s
->reattach
= 0;
6192 * wpas_request_disconnection - Request disconnection
6193 * @wpa_s: Pointer to the network interface
6195 * This function is used to request disconnection from the currently connected
6196 * network. This will stop any ongoing scans and initiate deauthentication.
6198 void wpas_request_disconnection(struct wpa_supplicant
*wpa_s
)
6201 wpa_s
->sme
.prev_bssid_set
= 0;
6202 #endif /* CONFIG_SME */
6203 wpa_s
->reassociate
= 0;
6204 wpa_s
->disconnected
= 1;
6205 wpa_supplicant_cancel_sched_scan(wpa_s
);
6206 wpa_supplicant_cancel_scan(wpa_s
);
6207 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
6208 eloop_cancel_timeout(wpas_network_reenabled
, wpa_s
, NULL
);
6212 void dump_freq_data(struct wpa_supplicant
*wpa_s
, const char *title
,
6213 struct wpa_used_freq_data
*freqs_data
,
6218 wpa_dbg(wpa_s
, MSG_DEBUG
, "Shared frequencies (len=%u): %s",
6220 for (i
= 0; i
< len
; i
++) {
6221 struct wpa_used_freq_data
*cur
= &freqs_data
[i
];
6222 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq[%u]: %d, flags=0x%X",
6223 i
, cur
->freq
, cur
->flags
);
6229 * Find the operating frequencies of any of the virtual interfaces that
6230 * are using the same radio as the current interface, and in addition, get
6231 * information about the interface types that are using the frequency.
6233 int get_shared_radio_freqs_data(struct wpa_supplicant
*wpa_s
,
6234 struct wpa_used_freq_data
*freqs_data
,
6237 struct wpa_supplicant
*ifs
;
6240 unsigned int idx
= 0, i
;
6242 wpa_dbg(wpa_s
, MSG_DEBUG
,
6243 "Determining shared radio frequencies (max len %u)", len
);
6244 os_memset(freqs_data
, 0, sizeof(struct wpa_used_freq_data
) * len
);
6246 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
6251 if (ifs
->current_ssid
== NULL
|| ifs
->assoc_freq
== 0)
6254 if (ifs
->current_ssid
->mode
== WPAS_MODE_AP
||
6255 ifs
->current_ssid
->mode
== WPAS_MODE_P2P_GO
||
6256 ifs
->current_ssid
->mode
== WPAS_MODE_MESH
)
6257 freq
= ifs
->current_ssid
->frequency
;
6258 else if (wpa_drv_get_bssid(ifs
, bssid
) == 0)
6259 freq
= ifs
->assoc_freq
;
6263 /* Hold only distinct freqs */
6264 for (i
= 0; i
< idx
; i
++)
6265 if (freqs_data
[i
].freq
== freq
)
6269 freqs_data
[idx
++].freq
= freq
;
6271 if (ifs
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6272 freqs_data
[i
].flags
|= ifs
->current_ssid
->p2p_group
?
6273 WPA_FREQ_USED_BY_P2P_CLIENT
:
6274 WPA_FREQ_USED_BY_INFRA_STATION
;
6278 dump_freq_data(wpa_s
, "completed iteration", freqs_data
, idx
);
6284 * Find the operating frequencies of any of the virtual interfaces that
6285 * are using the same radio as the current interface.
6287 int get_shared_radio_freqs(struct wpa_supplicant
*wpa_s
,
6288 int *freq_array
, unsigned int len
)
6290 struct wpa_used_freq_data
*freqs_data
;
6293 os_memset(freq_array
, 0, sizeof(int) * len
);
6295 freqs_data
= os_calloc(len
, sizeof(struct wpa_used_freq_data
));
6299 num
= get_shared_radio_freqs_data(wpa_s
, freqs_data
, len
);
6300 for (i
= 0; i
< num
; i
++)
6301 freq_array
[i
] = freqs_data
[i
].freq
;
6303 os_free(freqs_data
);
6309 struct wpa_supplicant
*
6310 wpas_vendor_elem(struct wpa_supplicant
*wpa_s
, enum wpa_vendor_elem_frame frame
)
6314 case VENDOR_ELEM_PROBE_REQ_P2P
:
6315 case VENDOR_ELEM_PROBE_RESP_P2P
:
6316 case VENDOR_ELEM_PROBE_RESP_P2P_GO
:
6317 case VENDOR_ELEM_BEACON_P2P_GO
:
6318 case VENDOR_ELEM_P2P_PD_REQ
:
6319 case VENDOR_ELEM_P2P_PD_RESP
:
6320 case VENDOR_ELEM_P2P_GO_NEG_REQ
:
6321 case VENDOR_ELEM_P2P_GO_NEG_RESP
:
6322 case VENDOR_ELEM_P2P_GO_NEG_CONF
:
6323 case VENDOR_ELEM_P2P_INV_REQ
:
6324 case VENDOR_ELEM_P2P_INV_RESP
:
6325 case VENDOR_ELEM_P2P_ASSOC_REQ
:
6326 case VENDOR_ELEM_P2P_ASSOC_RESP
:
6327 return wpa_s
->p2pdev
;
6328 #endif /* CONFIG_P2P */
6335 void wpas_vendor_elem_update(struct wpa_supplicant
*wpa_s
)
6340 wpa_printf(MSG_DEBUG
, "Update vendor elements");
6342 for (i
= 0; i
< NUM_VENDOR_ELEM_FRAMES
; i
++) {
6343 if (wpa_s
->vendor_elem
[i
]) {
6346 res
= os_snprintf(buf
, sizeof(buf
), "frame[%u]", i
);
6347 if (!os_snprintf_error(sizeof(buf
), res
)) {
6348 wpa_hexdump_buf(MSG_DEBUG
, buf
,
6349 wpa_s
->vendor_elem
[i
]);
6355 if (wpa_s
->parent
== wpa_s
&&
6356 wpa_s
->global
->p2p
&&
6357 !wpa_s
->global
->p2p_disabled
)
6358 p2p_set_vendor_elems(wpa_s
->global
->p2p
, wpa_s
->vendor_elem
);
6359 #endif /* CONFIG_P2P */
6363 int wpas_vendor_elem_remove(struct wpa_supplicant
*wpa_s
, int frame
,
6364 const u8
*elem
, size_t len
)
6368 ie
= wpabuf_mhead_u8(wpa_s
->vendor_elem
[frame
]);
6369 end
= ie
+ wpabuf_len(wpa_s
->vendor_elem
[frame
]);
6371 for (; ie
+ 1 < end
; ie
+= 2 + ie
[1]) {
6374 if (os_memcmp(ie
, elem
, len
) != 0)
6377 if (wpabuf_len(wpa_s
->vendor_elem
[frame
]) == len
) {
6378 wpabuf_free(wpa_s
->vendor_elem
[frame
]);
6379 wpa_s
->vendor_elem
[frame
] = NULL
;
6381 os_memmove(ie
, ie
+ len
, end
- (ie
+ len
));
6382 wpa_s
->vendor_elem
[frame
]->used
-= len
;
6384 wpas_vendor_elem_update(wpa_s
);
6392 struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
6393 u16 num_modes
, enum hostapd_hw_mode mode
)
6397 for (i
= 0; i
< num_modes
; i
++) {
6398 if (modes
[i
].mode
== mode
)
6407 wpa_bss_tmp_disallowed
* wpas_get_disallowed_bss(struct wpa_supplicant
*wpa_s
,
6410 struct wpa_bss_tmp_disallowed
*bss
;
6412 dl_list_for_each(bss
, &wpa_s
->bss_tmp_disallowed
,
6413 struct wpa_bss_tmp_disallowed
, list
) {
6414 if (os_memcmp(bssid
, bss
->bssid
, ETH_ALEN
) == 0)
6422 void wpa_bss_tmp_disallow(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6425 struct wpa_bss_tmp_disallowed
*bss
;
6426 struct os_reltime until
;
6428 os_get_reltime(&until
);
6431 bss
= wpas_get_disallowed_bss(wpa_s
, bssid
);
6433 bss
->disallowed_until
= until
;
6437 bss
= os_malloc(sizeof(*bss
));
6439 wpa_printf(MSG_DEBUG
,
6440 "Failed to allocate memory for temp disallow BSS");
6444 bss
->disallowed_until
= until
;
6445 os_memcpy(bss
->bssid
, bssid
, ETH_ALEN
);
6446 dl_list_add(&wpa_s
->bss_tmp_disallowed
, &bss
->list
);
6450 int wpa_is_bss_tmp_disallowed(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
6452 struct wpa_bss_tmp_disallowed
*bss
= NULL
, *tmp
, *prev
;
6453 struct os_reltime now
, age
;
6455 os_get_reltime(&now
);
6457 dl_list_for_each_safe(tmp
, prev
, &wpa_s
->bss_tmp_disallowed
,
6458 struct wpa_bss_tmp_disallowed
, list
) {
6459 if (!os_reltime_before(&now
, &tmp
->disallowed_until
)) {
6460 /* This BSS is not disallowed anymore */
6461 dl_list_del(&tmp
->list
);
6465 if (os_memcmp(bssid
, tmp
->bssid
, ETH_ALEN
) == 0) {
6473 os_reltime_sub(&bss
->disallowed_until
, &now
, &age
);
6474 wpa_printf(MSG_DEBUG
,
6475 "BSS " MACSTR
" disabled for %ld.%0ld seconds",
6476 MAC2STR(bss
->bssid
), age
.sec
, age
.usec
);