3 * Copyright (c) 2003-2016, 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) 2003-2016, 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(bssid
))
196 bssid
= wpa_s
->pending_bssid
;
197 wpa_msg(wpa_s
, MSG_INFO
, "Authentication with " MACSTR
" timed out.",
199 wpa_blacklist_add(wpa_s
, bssid
);
200 wpa_sm_notify_disassoc(wpa_s
->wpa
);
201 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
202 wpa_s
->reassociate
= 1;
205 * If we timed out, the AP or the local radio may be busy.
206 * So, wait a second until scanning again.
208 wpa_supplicant_req_scan(wpa_s
, 1, 0);
213 * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication
214 * @wpa_s: Pointer to wpa_supplicant data
215 * @sec: Number of seconds after which to time out authentication
216 * @usec: Number of microseconds after which to time out authentication
218 * This function is used to schedule a timeout for the current authentication
221 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant
*wpa_s
,
224 if (wpa_s
->conf
->ap_scan
== 0 &&
225 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
))
228 wpa_dbg(wpa_s
, MSG_DEBUG
, "Setting authentication timeout: %d sec "
229 "%d usec", sec
, usec
);
230 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
231 eloop_register_timeout(sec
, usec
, wpa_supplicant_timeout
, wpa_s
, NULL
);
236 * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout
237 * @wpa_s: Pointer to wpa_supplicant data
239 * This function is used to cancel authentication timeout scheduled with
240 * wpa_supplicant_req_auth_timeout() and it is called when authentication has
243 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant
*wpa_s
)
245 wpa_dbg(wpa_s
, MSG_DEBUG
, "Cancelling authentication timeout");
246 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
247 wpa_blacklist_del(wpa_s
, wpa_s
->bssid
);
252 * wpa_supplicant_initiate_eapol - Configure EAPOL state machine
253 * @wpa_s: Pointer to wpa_supplicant data
255 * This function is used to configure EAPOL state machine based on the selected
256 * authentication mode.
258 void wpa_supplicant_initiate_eapol(struct wpa_supplicant
*wpa_s
)
260 #ifdef IEEE8021X_EAPOL
261 struct eapol_config eapol_conf
;
262 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
264 #ifdef CONFIG_IBSS_RSN
265 if (ssid
->mode
== WPAS_MODE_IBSS
&&
266 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
267 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
) {
269 * RSN IBSS authentication is per-STA and we can disable the
270 * per-BSSID EAPOL authentication.
272 eapol_sm_notify_portControl(wpa_s
->eapol
, ForceAuthorized
);
273 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
274 eapol_sm_notify_eap_fail(wpa_s
->eapol
, FALSE
);
277 #endif /* CONFIG_IBSS_RSN */
279 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
280 eapol_sm_notify_eap_fail(wpa_s
->eapol
, FALSE
);
282 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
283 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
)
284 eapol_sm_notify_portControl(wpa_s
->eapol
, ForceAuthorized
);
286 eapol_sm_notify_portControl(wpa_s
->eapol
, Auto
);
288 os_memset(&eapol_conf
, 0, sizeof(eapol_conf
));
289 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
290 eapol_conf
.accept_802_1x_keys
= 1;
291 eapol_conf
.required_keys
= 0;
292 if (ssid
->eapol_flags
& EAPOL_FLAG_REQUIRE_KEY_UNICAST
) {
293 eapol_conf
.required_keys
|= EAPOL_REQUIRE_KEY_UNICAST
;
295 if (ssid
->eapol_flags
& EAPOL_FLAG_REQUIRE_KEY_BROADCAST
) {
296 eapol_conf
.required_keys
|=
297 EAPOL_REQUIRE_KEY_BROADCAST
;
300 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
)
301 eapol_conf
.required_keys
= 0;
303 eapol_conf
.fast_reauth
= wpa_s
->conf
->fast_reauth
;
304 eapol_conf
.workaround
= ssid
->eap_workaround
;
305 eapol_conf
.eap_disabled
=
306 !wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) &&
307 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
308 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPS
;
309 eapol_conf
.external_sim
= wpa_s
->conf
->external_sim
;
312 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
313 eapol_conf
.wps
|= EAPOL_LOCAL_WPS_IN_USE
;
314 if (wpa_s
->current_bss
) {
316 ie
= wpa_bss_get_vendor_ie_multi(wpa_s
->current_bss
,
321 EAPOL_PEER_IS_WPS20_AP
;
326 #endif /* CONFIG_WPS */
328 eapol_sm_notify_config(wpa_s
->eapol
, &ssid
->eap
, &eapol_conf
);
330 ieee802_1x_alloc_kay_sm(wpa_s
, ssid
);
331 #endif /* IEEE8021X_EAPOL */
336 * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
337 * @wpa_s: Pointer to wpa_supplicant data
338 * @ssid: Configuration data for the network
340 * This function is used to configure WPA state machine and related parameters
341 * to a mode where WPA is not enabled. This is called as part of the
342 * authentication configuration when the selected network does not use WPA.
344 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant
*wpa_s
,
345 struct wpa_ssid
*ssid
)
349 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)
350 wpa_s
->key_mgmt
= WPA_KEY_MGMT_WPS
;
351 else if (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)
352 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_NO_WPA
;
354 wpa_s
->key_mgmt
= WPA_KEY_MGMT_NONE
;
355 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, NULL
, 0);
356 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, NULL
, 0);
357 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
358 wpa_s
->pairwise_cipher
= WPA_CIPHER_NONE
;
359 wpa_s
->group_cipher
= WPA_CIPHER_NONE
;
360 wpa_s
->mgmt_group_cipher
= 0;
362 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
363 if (ssid
->wep_key_len
[i
] > 5) {
364 wpa_s
->pairwise_cipher
= WPA_CIPHER_WEP104
;
365 wpa_s
->group_cipher
= WPA_CIPHER_WEP104
;
367 } else if (ssid
->wep_key_len
[i
] > 0) {
368 wpa_s
->pairwise_cipher
= WPA_CIPHER_WEP40
;
369 wpa_s
->group_cipher
= WPA_CIPHER_WEP40
;
374 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_RSN_ENABLED
, 0);
375 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_KEY_MGMT
, wpa_s
->key_mgmt
);
376 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PAIRWISE
,
377 wpa_s
->pairwise_cipher
);
378 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_GROUP
, wpa_s
->group_cipher
);
379 #ifdef CONFIG_IEEE80211W
380 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MGMT_GROUP
,
381 wpa_s
->mgmt_group_cipher
);
382 #endif /* CONFIG_IEEE80211W */
384 pmksa_cache_clear_current(wpa_s
->wpa
);
388 void free_hw_features(struct wpa_supplicant
*wpa_s
)
391 if (wpa_s
->hw
.modes
== NULL
)
394 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
395 os_free(wpa_s
->hw
.modes
[i
].channels
);
396 os_free(wpa_s
->hw
.modes
[i
].rates
);
399 os_free(wpa_s
->hw
.modes
);
400 wpa_s
->hw
.modes
= NULL
;
404 static void free_bss_tmp_disallowed(struct wpa_supplicant
*wpa_s
)
406 struct wpa_bss_tmp_disallowed
*bss
, *prev
;
408 dl_list_for_each_safe(bss
, prev
, &wpa_s
->bss_tmp_disallowed
,
409 struct wpa_bss_tmp_disallowed
, list
) {
410 dl_list_del(&bss
->list
);
416 static void wpa_supplicant_cleanup(struct wpa_supplicant
*wpa_s
)
420 bgscan_deinit(wpa_s
);
421 autoscan_deinit(wpa_s
);
422 scard_deinit(wpa_s
->scard
);
424 wpa_sm_set_scard_ctx(wpa_s
->wpa
, NULL
);
425 eapol_sm_register_scard_ctx(wpa_s
->eapol
, NULL
);
426 l2_packet_deinit(wpa_s
->l2
);
429 l2_packet_deinit(wpa_s
->l2_br
);
432 #ifdef CONFIG_TESTING_OPTIONS
433 l2_packet_deinit(wpa_s
->l2_test
);
434 wpa_s
->l2_test
= NULL
;
435 #endif /* CONFIG_TESTING_OPTIONS */
437 if (wpa_s
->conf
!= NULL
) {
438 struct wpa_ssid
*ssid
;
439 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
440 wpas_notify_network_removed(wpa_s
, ssid
);
443 os_free(wpa_s
->confname
);
444 wpa_s
->confname
= NULL
;
446 os_free(wpa_s
->confanother
);
447 wpa_s
->confanother
= NULL
;
449 wpa_sm_set_eapol(wpa_s
->wpa
, NULL
);
450 eapol_sm_deinit(wpa_s
->eapol
);
453 rsn_preauth_deinit(wpa_s
->wpa
);
456 wpa_tdls_deinit(wpa_s
->wpa
);
457 #endif /* CONFIG_TDLS */
459 wmm_ac_clear_saved_tspecs(wpa_s
);
460 pmksa_candidate_free(wpa_s
->wpa
);
461 wpa_sm_deinit(wpa_s
->wpa
);
463 wpa_blacklist_clear(wpa_s
);
465 wpa_bss_deinit(wpa_s
);
467 wpa_supplicant_cancel_delayed_sched_scan(wpa_s
);
468 wpa_supplicant_cancel_scan(wpa_s
);
469 wpa_supplicant_cancel_auth_timeout(wpa_s
);
470 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures
, wpa_s
, NULL
);
471 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
472 eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report
,
474 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
476 eloop_cancel_timeout(wpas_network_reenabled
, wpa_s
, NULL
);
478 wpas_wps_deinit(wpa_s
);
480 wpabuf_free(wpa_s
->pending_eapol_rx
);
481 wpa_s
->pending_eapol_rx
= NULL
;
483 #ifdef CONFIG_IBSS_RSN
484 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
485 wpa_s
->ibss_rsn
= NULL
;
486 #endif /* CONFIG_IBSS_RSN */
491 wpa_supplicant_ap_deinit(wpa_s
);
492 #endif /* CONFIG_AP */
494 wpas_p2p_deinit(wpa_s
);
496 #ifdef CONFIG_OFFCHANNEL
497 offchannel_deinit(wpa_s
);
498 #endif /* CONFIG_OFFCHANNEL */
500 wpa_supplicant_cancel_sched_scan(wpa_s
);
502 os_free(wpa_s
->next_scan_freqs
);
503 wpa_s
->next_scan_freqs
= NULL
;
505 os_free(wpa_s
->manual_scan_freqs
);
506 wpa_s
->manual_scan_freqs
= NULL
;
508 os_free(wpa_s
->manual_sched_scan_freqs
);
509 wpa_s
->manual_sched_scan_freqs
= NULL
;
511 wpas_mac_addr_rand_scan_clear(wpa_s
, MAC_ADDR_RAND_ALL
);
514 * Need to remove any pending gas-query radio work before the
515 * gas_query_deinit() call because gas_query::work has not yet been set
516 * for works that have not been started. gas_query_free() will be unable
517 * to cancel such pending radio works and once the pending gas-query
518 * radio work eventually gets removed, the deinit notification call to
519 * gas_query_start_cb() would result in dereferencing freed memory.
522 radio_remove_works(wpa_s
, "gas-query", 0);
523 gas_query_deinit(wpa_s
->gas
);
526 free_hw_features(wpa_s
);
528 ieee802_1x_dealloc_kay_sm(wpa_s
);
530 os_free(wpa_s
->bssid_filter
);
531 wpa_s
->bssid_filter
= NULL
;
533 os_free(wpa_s
->disallow_aps_bssid
);
534 wpa_s
->disallow_aps_bssid
= NULL
;
535 os_free(wpa_s
->disallow_aps_ssid
);
536 wpa_s
->disallow_aps_ssid
= NULL
;
538 wnm_bss_keep_alive_deinit(wpa_s
);
540 wnm_deallocate_memory(wpa_s
);
541 #endif /* CONFIG_WNM */
543 ext_password_deinit(wpa_s
->ext_pw
);
544 wpa_s
->ext_pw
= NULL
;
546 wpabuf_free(wpa_s
->last_gas_resp
);
547 wpa_s
->last_gas_resp
= NULL
;
548 wpabuf_free(wpa_s
->prev_gas_resp
);
549 wpa_s
->prev_gas_resp
= NULL
;
551 os_free(wpa_s
->last_scan_res
);
552 wpa_s
->last_scan_res
= NULL
;
556 #endif /* CONFIG_HS20 */
558 for (i
= 0; i
< NUM_VENDOR_ELEM_FRAMES
; i
++) {
559 wpabuf_free(wpa_s
->vendor_elem
[i
]);
560 wpa_s
->vendor_elem
[i
] = NULL
;
563 wmm_ac_notify_disassoc(wpa_s
);
565 wpa_s
->sched_scan_plans_num
= 0;
566 os_free(wpa_s
->sched_scan_plans
);
567 wpa_s
->sched_scan_plans
= NULL
;
570 wpa_s
->non_pref_chan_num
= 0;
571 os_free(wpa_s
->non_pref_chan
);
572 wpa_s
->non_pref_chan
= NULL
;
573 #endif /* CONFIG_MBO */
575 free_bss_tmp_disallowed(wpa_s
);
580 * wpa_clear_keys - Clear keys configured for the driver
581 * @wpa_s: Pointer to wpa_supplicant data
582 * @addr: Previously used BSSID or %NULL if not available
584 * This function clears the encryption keys that has been previously configured
587 void wpa_clear_keys(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
591 #ifdef CONFIG_IEEE80211W
593 #else /* CONFIG_IEEE80211W */
595 #endif /* CONFIG_IEEE80211W */
597 /* MLME-DELETEKEYS.request */
598 for (i
= 0; i
< max
; i
++) {
599 if (wpa_s
->keys_cleared
& BIT(i
))
601 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, i
, 0, NULL
, 0,
604 if (!(wpa_s
->keys_cleared
& BIT(0)) && addr
&&
605 !is_zero_ether_addr(addr
)) {
606 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, addr
, 0, 0, NULL
, 0, NULL
,
608 /* MLME-SETPROTECTION.request(None) */
609 wpa_drv_mlme_setprotection(
611 MLME_SETPROTECTION_PROTECT_TYPE_NONE
,
612 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE
);
614 wpa_s
->keys_cleared
= (u32
) -1;
619 * wpa_supplicant_state_txt - Get the connection state name as a text string
620 * @state: State (wpa_state; WPA_*)
621 * Returns: The state name as a printable text string
623 const char * wpa_supplicant_state_txt(enum wpa_states state
)
626 case WPA_DISCONNECTED
:
627 return "DISCONNECTED";
630 case WPA_INTERFACE_DISABLED
:
631 return "INTERFACE_DISABLED";
634 case WPA_AUTHENTICATING
:
635 return "AUTHENTICATING";
636 case WPA_ASSOCIATING
:
637 return "ASSOCIATING";
640 case WPA_4WAY_HANDSHAKE
:
641 return "4WAY_HANDSHAKE";
642 case WPA_GROUP_HANDSHAKE
:
643 return "GROUP_HANDSHAKE";
654 static void wpa_supplicant_start_bgscan(struct wpa_supplicant
*wpa_s
)
658 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->bgscan
)
659 name
= wpa_s
->current_ssid
->bgscan
;
661 name
= wpa_s
->conf
->bgscan
;
662 if (name
== NULL
|| name
[0] == '\0')
664 if (wpas_driver_bss_selection(wpa_s
))
666 if (wpa_s
->current_ssid
== wpa_s
->bgscan_ssid
)
669 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
)
671 #endif /* CONFIG_P2P */
673 bgscan_deinit(wpa_s
);
674 if (wpa_s
->current_ssid
) {
675 if (bgscan_init(wpa_s
, wpa_s
->current_ssid
, name
)) {
676 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize "
679 * Live without bgscan; it is only used as a roaming
680 * optimization, so the initial connection is not
684 struct wpa_scan_results
*scan_res
;
685 wpa_s
->bgscan_ssid
= wpa_s
->current_ssid
;
686 scan_res
= wpa_supplicant_get_scan_results(wpa_s
, NULL
,
689 bgscan_notify_scan(wpa_s
, scan_res
);
690 wpa_scan_results_free(scan_res
);
694 wpa_s
->bgscan_ssid
= NULL
;
698 static void wpa_supplicant_stop_bgscan(struct wpa_supplicant
*wpa_s
)
700 if (wpa_s
->bgscan_ssid
!= NULL
) {
701 bgscan_deinit(wpa_s
);
702 wpa_s
->bgscan_ssid
= NULL
;
706 #endif /* CONFIG_BGSCAN */
709 static void wpa_supplicant_start_autoscan(struct wpa_supplicant
*wpa_s
)
711 if (autoscan_init(wpa_s
, 0))
712 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize autoscan");
716 static void wpa_supplicant_stop_autoscan(struct wpa_supplicant
*wpa_s
)
718 autoscan_deinit(wpa_s
);
722 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant
*wpa_s
)
724 if (wpa_s
->wpa_state
== WPA_DISCONNECTED
||
725 wpa_s
->wpa_state
== WPA_SCANNING
) {
726 autoscan_deinit(wpa_s
);
727 wpa_supplicant_start_autoscan(wpa_s
);
733 * wpa_supplicant_set_state - Set current connection state
734 * @wpa_s: Pointer to wpa_supplicant data
735 * @state: The new connection state
737 * This function is called whenever the connection state changes, e.g.,
738 * association is completed for WPA/WPA2 4-Way Handshake is started.
740 void wpa_supplicant_set_state(struct wpa_supplicant
*wpa_s
,
741 enum wpa_states state
)
743 enum wpa_states old_state
= wpa_s
->wpa_state
;
745 wpa_dbg(wpa_s
, MSG_DEBUG
, "State: %s -> %s",
746 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
747 wpa_supplicant_state_txt(state
));
749 if (state
== WPA_INTERFACE_DISABLED
) {
750 /* Assure normal scan when interface is restored */
751 wpa_s
->normal_scans
= 0;
754 if (state
== WPA_COMPLETED
) {
755 wpas_connect_work_done(wpa_s
);
756 /* Reinitialize normal_scan counter */
757 wpa_s
->normal_scans
= 0;
762 * P2PS client has to reply to Probe Request frames received on the
763 * group operating channel. Enable Probe Request frame reporting for
764 * P2P connected client in case p2p_cli_probe configuration property is
767 if (wpa_s
->conf
->p2p_cli_probe
&& wpa_s
->current_ssid
&&
768 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
769 wpa_s
->current_ssid
->p2p_group
) {
770 if (state
== WPA_COMPLETED
&& !wpa_s
->p2p_cli_probe
) {
771 wpa_dbg(wpa_s
, MSG_DEBUG
,
772 "P2P: Enable CLI Probe Request RX reporting");
773 wpa_s
->p2p_cli_probe
=
774 wpa_drv_probe_req_report(wpa_s
, 1) >= 0;
775 } else if (state
!= WPA_COMPLETED
&& wpa_s
->p2p_cli_probe
) {
776 wpa_dbg(wpa_s
, MSG_DEBUG
,
777 "P2P: Disable CLI Probe Request RX reporting");
778 wpa_s
->p2p_cli_probe
= 0;
779 wpa_drv_probe_req_report(wpa_s
, 0);
782 #endif /* CONFIG_P2P */
784 if (state
!= WPA_SCANNING
)
785 wpa_supplicant_notify_scanning(wpa_s
, 0);
787 if (state
== WPA_COMPLETED
&& wpa_s
->new_connection
) {
788 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
789 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
790 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_CONNECTED
"- Connection to "
791 MACSTR
" completed [id=%d id_str=%s]",
792 MAC2STR(wpa_s
->bssid
),
793 ssid
? ssid
->id
: -1,
794 ssid
&& ssid
->id_str
? ssid
->id_str
: "");
795 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
796 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
797 wpa_blacklist_clear(wpa_s
);
798 wpa_s
->extra_blacklist_count
= 0;
799 wpa_s
->new_connection
= 0;
800 wpa_drv_set_operstate(wpa_s
, 1);
801 #ifndef IEEE8021X_EAPOL
802 wpa_drv_set_supp_port(wpa_s
, 1);
803 #endif /* IEEE8021X_EAPOL */
804 wpa_s
->after_wps
= 0;
805 wpa_s
->known_wps_freq
= 0;
806 wpas_p2p_completed(wpa_s
);
808 sme_sched_obss_scan(wpa_s
, 1);
809 } else if (state
== WPA_DISCONNECTED
|| state
== WPA_ASSOCIATING
||
810 state
== WPA_ASSOCIATED
) {
811 wpa_s
->new_connection
= 1;
812 wpa_drv_set_operstate(wpa_s
, 0);
813 #ifndef IEEE8021X_EAPOL
814 wpa_drv_set_supp_port(wpa_s
, 0);
815 #endif /* IEEE8021X_EAPOL */
816 sme_sched_obss_scan(wpa_s
, 0);
818 wpa_s
->wpa_state
= state
;
821 if (state
== WPA_COMPLETED
)
822 wpa_supplicant_start_bgscan(wpa_s
);
823 else if (state
< WPA_ASSOCIATED
)
824 wpa_supplicant_stop_bgscan(wpa_s
);
825 #endif /* CONFIG_BGSCAN */
827 if (state
== WPA_AUTHENTICATING
)
828 wpa_supplicant_stop_autoscan(wpa_s
);
830 if (state
== WPA_DISCONNECTED
|| state
== WPA_INACTIVE
)
831 wpa_supplicant_start_autoscan(wpa_s
);
833 if (old_state
>= WPA_ASSOCIATED
&& wpa_s
->wpa_state
< WPA_ASSOCIATED
)
834 wmm_ac_notify_disassoc(wpa_s
);
836 if (wpa_s
->wpa_state
!= old_state
) {
837 wpas_notify_state_changed(wpa_s
, wpa_s
->wpa_state
, old_state
);
840 * Notify the P2P Device interface about a state change in one
843 wpas_p2p_indicate_state_change(wpa_s
);
845 if (wpa_s
->wpa_state
== WPA_COMPLETED
||
846 old_state
== WPA_COMPLETED
)
847 wpas_notify_auth_changed(wpa_s
);
852 void wpa_supplicant_terminate_proc(struct wpa_global
*global
)
856 struct wpa_supplicant
*wpa_s
= global
->ifaces
;
858 struct wpa_supplicant
*next
= wpa_s
->next
;
859 if (wpas_wps_terminate_pending(wpa_s
) == 1)
862 if (wpa_s
->p2p_group_interface
!= NOT_P2P_GROUP_INTERFACE
||
863 (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->p2p_group
))
864 wpas_p2p_disconnect(wpa_s
);
865 #endif /* CONFIG_P2P */
868 #endif /* CONFIG_WPS */
875 static void wpa_supplicant_terminate(int sig
, void *signal_ctx
)
877 struct wpa_global
*global
= signal_ctx
;
878 wpa_supplicant_terminate_proc(global
);
882 void wpa_supplicant_clear_status(struct wpa_supplicant
*wpa_s
)
884 enum wpa_states old_state
= wpa_s
->wpa_state
;
886 wpa_s
->pairwise_cipher
= 0;
887 wpa_s
->group_cipher
= 0;
888 wpa_s
->mgmt_group_cipher
= 0;
890 if (wpa_s
->wpa_state
!= WPA_INTERFACE_DISABLED
)
891 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
893 if (wpa_s
->wpa_state
!= old_state
)
894 wpas_notify_state_changed(wpa_s
, wpa_s
->wpa_state
, old_state
);
899 * wpa_supplicant_reload_configuration - Reload configuration data
900 * @wpa_s: Pointer to wpa_supplicant data
901 * Returns: 0 on success or -1 if configuration parsing failed
903 * This function can be used to request that the configuration data is reloaded
904 * (e.g., after configuration file change). This function is reloading
905 * configuration only for one interface, so this may need to be called multiple
906 * times if %wpa_supplicant is controlling multiple interfaces and all
907 * interfaces need reconfiguration.
909 int wpa_supplicant_reload_configuration(struct wpa_supplicant
*wpa_s
)
911 struct wpa_config
*conf
;
915 if (wpa_s
->confname
== NULL
)
917 conf
= wpa_config_read(wpa_s
->confname
, NULL
);
919 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to parse the configuration "
920 "file '%s' - exiting", wpa_s
->confname
);
923 wpa_config_read(wpa_s
->confanother
, conf
);
925 conf
->changed_parameters
= (unsigned int) -1;
927 reconf_ctrl
= !!conf
->ctrl_interface
!= !!wpa_s
->conf
->ctrl_interface
928 || (conf
->ctrl_interface
&& wpa_s
->conf
->ctrl_interface
&&
929 os_strcmp(conf
->ctrl_interface
,
930 wpa_s
->conf
->ctrl_interface
) != 0);
932 if (reconf_ctrl
&& wpa_s
->ctrl_iface
) {
933 wpa_supplicant_ctrl_iface_deinit(wpa_s
->ctrl_iface
);
934 wpa_s
->ctrl_iface
= NULL
;
937 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
938 if (wpa_s
->current_ssid
) {
939 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
940 wpa_s
->own_disconnect_req
= 1;
941 wpa_supplicant_deauthenticate(wpa_s
,
942 WLAN_REASON_DEAUTH_LEAVING
);
946 * TODO: should notify EAPOL SM about changes in opensc_engine_path,
947 * pkcs11_engine_path, pkcs11_module_path, openssl_ciphers.
949 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
)) {
951 * Clear forced success to clear EAP state for next
954 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
956 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
957 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
958 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, NULL
);
959 wpa_sm_set_fast_reauth(wpa_s
->wpa
, wpa_s
->conf
->fast_reauth
);
960 rsn_preauth_deinit(wpa_s
->wpa
);
962 old_ap_scan
= wpa_s
->conf
->ap_scan
;
963 wpa_config_free(wpa_s
->conf
);
965 if (old_ap_scan
!= wpa_s
->conf
->ap_scan
)
966 wpas_notify_ap_scan_changed(wpa_s
);
969 wpa_s
->ctrl_iface
= wpa_supplicant_ctrl_iface_init(wpa_s
);
971 wpa_supplicant_update_config(wpa_s
);
973 wpa_supplicant_clear_status(wpa_s
);
974 if (wpa_supplicant_enabled_networks(wpa_s
)) {
975 wpa_s
->reassociate
= 1;
976 wpa_supplicant_req_scan(wpa_s
, 0, 0);
978 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reconfiguration completed");
983 static void wpa_supplicant_reconfig(int sig
, void *signal_ctx
)
985 struct wpa_global
*global
= signal_ctx
;
986 struct wpa_supplicant
*wpa_s
;
987 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
988 wpa_dbg(wpa_s
, MSG_DEBUG
, "Signal %d received - reconfiguring",
990 if (wpa_supplicant_reload_configuration(wpa_s
) < 0) {
991 wpa_supplicant_terminate_proc(global
);
995 if (wpa_debug_reopen_file() < 0) {
996 /* Ignore errors since we cannot really do much to fix this */
997 wpa_printf(MSG_DEBUG
, "Could not reopen debug log file");
1002 static int wpa_supplicant_suites_from_ai(struct wpa_supplicant
*wpa_s
,
1003 struct wpa_ssid
*ssid
,
1004 struct wpa_ie_data
*ie
)
1006 int ret
= wpa_sm_parse_own_wpa_ie(wpa_s
->wpa
, ie
);
1009 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Failed to parse WPA IE "
1010 "from association info");
1015 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Using WPA IE from AssocReq to set "
1017 if (!(ie
->group_cipher
& ssid
->group_cipher
)) {
1018 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled group "
1019 "cipher 0x%x (mask 0x%x) - reject",
1020 ie
->group_cipher
, ssid
->group_cipher
);
1023 if (!(ie
->pairwise_cipher
& ssid
->pairwise_cipher
)) {
1024 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled pairwise "
1025 "cipher 0x%x (mask 0x%x) - reject",
1026 ie
->pairwise_cipher
, ssid
->pairwise_cipher
);
1029 if (!(ie
->key_mgmt
& ssid
->key_mgmt
)) {
1030 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled key "
1031 "management 0x%x (mask 0x%x) - reject",
1032 ie
->key_mgmt
, ssid
->key_mgmt
);
1036 #ifdef CONFIG_IEEE80211W
1037 if (!(ie
->capabilities
& WPA_CAPABILITY_MFPC
) &&
1038 wpas_get_ssid_pmf(wpa_s
, ssid
) == MGMT_FRAME_PROTECTION_REQUIRED
) {
1039 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver associated with an AP "
1040 "that does not support management frame protection - "
1044 #endif /* CONFIG_IEEE80211W */
1051 * wpa_supplicant_set_suites - Set authentication and encryption parameters
1052 * @wpa_s: Pointer to wpa_supplicant data
1053 * @bss: Scan results for the selected BSS, or %NULL if not available
1054 * @ssid: Configuration data for the selected network
1055 * @wpa_ie: Buffer for the WPA/RSN IE
1056 * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the
1057 * used buffer length in case the functions returns success.
1058 * Returns: 0 on success or -1 on failure
1060 * This function is used to configure authentication and encryption parameters
1061 * based on the network configuration and scan result for the selected BSS (if
1064 int wpa_supplicant_set_suites(struct wpa_supplicant
*wpa_s
,
1065 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
,
1066 u8
*wpa_ie
, size_t *wpa_ie_len
)
1068 struct wpa_ie_data ie
;
1070 const u8
*bss_wpa
, *bss_rsn
, *bss_osen
;
1073 bss_wpa
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
1074 bss_rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
1075 bss_osen
= wpa_bss_get_vendor_ie(bss
, OSEN_IE_VENDOR_TYPE
);
1077 bss_wpa
= bss_rsn
= bss_osen
= NULL
;
1079 if (bss_rsn
&& (ssid
->proto
& WPA_PROTO_RSN
) &&
1080 wpa_parse_wpa_ie(bss_rsn
, 2 + bss_rsn
[1], &ie
) == 0 &&
1081 (ie
.group_cipher
& ssid
->group_cipher
) &&
1082 (ie
.pairwise_cipher
& ssid
->pairwise_cipher
) &&
1083 (ie
.key_mgmt
& ssid
->key_mgmt
)) {
1084 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using IEEE 802.11i/D9.0");
1085 proto
= WPA_PROTO_RSN
;
1086 } else if (bss_wpa
&& (ssid
->proto
& WPA_PROTO_WPA
) &&
1087 wpa_parse_wpa_ie(bss_wpa
, 2 + bss_wpa
[1], &ie
) == 0 &&
1088 (ie
.group_cipher
& ssid
->group_cipher
) &&
1089 (ie
.pairwise_cipher
& ssid
->pairwise_cipher
) &&
1090 (ie
.key_mgmt
& ssid
->key_mgmt
)) {
1091 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using IEEE 802.11i/D3.0");
1092 proto
= WPA_PROTO_WPA
;
1094 } else if (bss_osen
&& (ssid
->proto
& WPA_PROTO_OSEN
)) {
1095 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: using OSEN");
1096 /* TODO: parse OSEN element */
1097 os_memset(&ie
, 0, sizeof(ie
));
1098 ie
.group_cipher
= WPA_CIPHER_CCMP
;
1099 ie
.pairwise_cipher
= WPA_CIPHER_CCMP
;
1100 ie
.key_mgmt
= WPA_KEY_MGMT_OSEN
;
1101 proto
= WPA_PROTO_OSEN
;
1102 #endif /* CONFIG_HS20 */
1104 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select WPA/RSN");
1105 wpa_dbg(wpa_s
, MSG_DEBUG
,
1106 "WPA: ssid proto=0x%x pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
1107 ssid
->proto
, ssid
->pairwise_cipher
, ssid
->group_cipher
,
1109 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: BSS " MACSTR
" ssid='%s'%s%s%s",
1110 MAC2STR(bss
->bssid
),
1111 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
),
1112 bss_wpa
? " WPA" : "",
1113 bss_rsn
? " RSN" : "",
1114 bss_osen
? " OSEN" : "");
1116 wpa_hexdump(MSG_DEBUG
, "RSN", bss_rsn
, 2 + bss_rsn
[1]);
1117 if (wpa_parse_wpa_ie(bss_rsn
, 2 + bss_rsn
[1], &ie
)) {
1118 wpa_dbg(wpa_s
, MSG_DEBUG
,
1119 "Could not parse RSN element");
1121 wpa_dbg(wpa_s
, MSG_DEBUG
,
1122 "RSN: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
1123 ie
.pairwise_cipher
, ie
.group_cipher
,
1128 wpa_hexdump(MSG_DEBUG
, "WPA", bss_wpa
, 2 + bss_wpa
[1]);
1129 if (wpa_parse_wpa_ie(bss_wpa
, 2 + bss_wpa
[1], &ie
)) {
1130 wpa_dbg(wpa_s
, MSG_DEBUG
,
1131 "Could not parse WPA element");
1133 wpa_dbg(wpa_s
, MSG_DEBUG
,
1134 "WPA: pairwise_cipher=0x%x group_cipher=0x%x key_mgmt=0x%x",
1135 ie
.pairwise_cipher
, ie
.group_cipher
,
1141 if (ssid
->proto
& WPA_PROTO_OSEN
)
1142 proto
= WPA_PROTO_OSEN
;
1143 else if (ssid
->proto
& WPA_PROTO_RSN
)
1144 proto
= WPA_PROTO_RSN
;
1146 proto
= WPA_PROTO_WPA
;
1147 if (wpa_supplicant_suites_from_ai(wpa_s
, ssid
, &ie
) < 0) {
1148 os_memset(&ie
, 0, sizeof(ie
));
1149 ie
.group_cipher
= ssid
->group_cipher
;
1150 ie
.pairwise_cipher
= ssid
->pairwise_cipher
;
1151 ie
.key_mgmt
= ssid
->key_mgmt
;
1152 #ifdef CONFIG_IEEE80211W
1153 ie
.mgmt_group_cipher
=
1154 ssid
->ieee80211w
!= NO_MGMT_FRAME_PROTECTION
?
1155 WPA_CIPHER_AES_128_CMAC
: 0;
1156 #endif /* CONFIG_IEEE80211W */
1157 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Set cipher suites "
1158 "based on configuration");
1163 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected cipher suites: group %d "
1164 "pairwise %d key_mgmt %d proto %d",
1165 ie
.group_cipher
, ie
.pairwise_cipher
, ie
.key_mgmt
, proto
);
1166 #ifdef CONFIG_IEEE80211W
1167 if (ssid
->ieee80211w
) {
1168 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected mgmt group cipher %d",
1169 ie
.mgmt_group_cipher
);
1171 #endif /* CONFIG_IEEE80211W */
1173 wpa_s
->wpa_proto
= proto
;
1174 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PROTO
, proto
);
1175 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_RSN_ENABLED
,
1176 !!(ssid
->proto
& (WPA_PROTO_RSN
| WPA_PROTO_OSEN
)));
1178 if (bss
|| !wpa_s
->ap_ies_from_associnfo
) {
1179 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, bss_wpa
,
1180 bss_wpa
? 2 + bss_wpa
[1] : 0) ||
1181 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, bss_rsn
,
1182 bss_rsn
? 2 + bss_rsn
[1] : 0))
1186 #ifdef CONFIG_NO_WPA
1187 wpa_s
->group_cipher
= WPA_CIPHER_NONE
;
1188 wpa_s
->pairwise_cipher
= WPA_CIPHER_NONE
;
1189 #else /* CONFIG_NO_WPA */
1190 sel
= ie
.group_cipher
& ssid
->group_cipher
;
1191 wpa_s
->group_cipher
= wpa_pick_group_cipher(sel
);
1192 if (wpa_s
->group_cipher
< 0) {
1193 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select group "
1197 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK %s",
1198 wpa_cipher_txt(wpa_s
->group_cipher
));
1200 sel
= ie
.pairwise_cipher
& ssid
->pairwise_cipher
;
1201 wpa_s
->pairwise_cipher
= wpa_pick_pairwise_cipher(sel
, 1);
1202 if (wpa_s
->pairwise_cipher
< 0) {
1203 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select pairwise "
1207 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using PTK %s",
1208 wpa_cipher_txt(wpa_s
->pairwise_cipher
));
1209 #endif /* CONFIG_NO_WPA */
1211 sel
= ie
.key_mgmt
& ssid
->key_mgmt
;
1213 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SAE
))
1214 sel
&= ~(WPA_KEY_MGMT_SAE
| WPA_KEY_MGMT_FT_SAE
);
1215 #endif /* CONFIG_SAE */
1217 #ifdef CONFIG_SUITEB192
1218 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
) {
1219 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
;
1220 wpa_dbg(wpa_s
, MSG_DEBUG
,
1221 "WPA: using KEY_MGMT 802.1X with Suite B (192-bit)");
1222 #endif /* CONFIG_SUITEB192 */
1223 #ifdef CONFIG_SUITEB
1224 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SUITE_B
) {
1225 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SUITE_B
;
1226 wpa_dbg(wpa_s
, MSG_DEBUG
,
1227 "WPA: using KEY_MGMT 802.1X with Suite B");
1228 #endif /* CONFIG_SUITEB */
1229 #ifdef CONFIG_IEEE80211R
1230 } else if (sel
& WPA_KEY_MGMT_FT_IEEE8021X
) {
1231 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_IEEE8021X
;
1232 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT/802.1X");
1233 } else if (sel
& WPA_KEY_MGMT_FT_PSK
) {
1234 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_PSK
;
1235 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT/PSK");
1236 #endif /* CONFIG_IEEE80211R */
1238 } else if (sel
& WPA_KEY_MGMT_SAE
) {
1239 wpa_s
->key_mgmt
= WPA_KEY_MGMT_SAE
;
1240 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using KEY_MGMT SAE");
1241 } else if (sel
& WPA_KEY_MGMT_FT_SAE
) {
1242 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_SAE
;
1243 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using KEY_MGMT FT/SAE");
1244 #endif /* CONFIG_SAE */
1245 #ifdef CONFIG_IEEE80211W
1246 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SHA256
) {
1247 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SHA256
;
1248 wpa_dbg(wpa_s
, MSG_DEBUG
,
1249 "WPA: using KEY_MGMT 802.1X with SHA256");
1250 } else if (sel
& WPA_KEY_MGMT_PSK_SHA256
) {
1251 wpa_s
->key_mgmt
= WPA_KEY_MGMT_PSK_SHA256
;
1252 wpa_dbg(wpa_s
, MSG_DEBUG
,
1253 "WPA: using KEY_MGMT PSK with SHA256");
1254 #endif /* CONFIG_IEEE80211W */
1255 } else if (sel
& WPA_KEY_MGMT_IEEE8021X
) {
1256 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X
;
1257 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT 802.1X");
1258 } else if (sel
& WPA_KEY_MGMT_PSK
) {
1259 wpa_s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1260 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT WPA-PSK");
1261 } else if (sel
& WPA_KEY_MGMT_WPA_NONE
) {
1262 wpa_s
->key_mgmt
= WPA_KEY_MGMT_WPA_NONE
;
1263 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT WPA-NONE");
1265 } else if (sel
& WPA_KEY_MGMT_OSEN
) {
1266 wpa_s
->key_mgmt
= WPA_KEY_MGMT_OSEN
;
1267 wpa_dbg(wpa_s
, MSG_DEBUG
, "HS 2.0: using KEY_MGMT OSEN");
1268 #endif /* CONFIG_HS20 */
1270 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select "
1271 "authenticated key management type");
1275 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_KEY_MGMT
, wpa_s
->key_mgmt
);
1276 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PAIRWISE
,
1277 wpa_s
->pairwise_cipher
);
1278 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_GROUP
, wpa_s
->group_cipher
);
1280 #ifdef CONFIG_IEEE80211W
1281 sel
= ie
.mgmt_group_cipher
;
1282 if (wpas_get_ssid_pmf(wpa_s
, ssid
) == NO_MGMT_FRAME_PROTECTION
||
1283 !(ie
.capabilities
& WPA_CAPABILITY_MFPC
))
1285 if (sel
& WPA_CIPHER_AES_128_CMAC
) {
1286 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_AES_128_CMAC
;
1287 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1289 } else if (sel
& WPA_CIPHER_BIP_GMAC_128
) {
1290 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_BIP_GMAC_128
;
1291 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1293 } else if (sel
& WPA_CIPHER_BIP_GMAC_256
) {
1294 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_BIP_GMAC_256
;
1295 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1297 } else if (sel
& WPA_CIPHER_BIP_CMAC_256
) {
1298 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_BIP_CMAC_256
;
1299 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1302 wpa_s
->mgmt_group_cipher
= 0;
1303 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: not using MGMT group cipher");
1305 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MGMT_GROUP
,
1306 wpa_s
->mgmt_group_cipher
);
1307 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MFP
,
1308 wpas_get_ssid_pmf(wpa_s
, ssid
));
1309 #endif /* CONFIG_IEEE80211W */
1311 if (wpa_sm_set_assoc_wpa_ie_default(wpa_s
->wpa
, wpa_ie
, wpa_ie_len
)) {
1312 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to generate WPA IE");
1316 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
)) {
1319 if (ssid
->psk_set
) {
1320 wpa_sm_set_pmk(wpa_s
->wpa
, ssid
->psk
, PMK_LEN
, NULL
,
1324 #ifndef CONFIG_NO_PBKDF2
1325 if (bss
&& ssid
->bssid_set
&& ssid
->ssid_len
== 0 &&
1328 pbkdf2_sha1(ssid
->passphrase
, bss
->ssid
, bss
->ssid_len
,
1329 4096, psk
, PMK_LEN
);
1330 wpa_hexdump_key(MSG_MSGDUMP
, "PSK (from passphrase)",
1332 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
, NULL
, NULL
);
1334 os_memset(psk
, 0, sizeof(psk
));
1336 #endif /* CONFIG_NO_PBKDF2 */
1337 #ifdef CONFIG_EXT_PASSWORD
1338 if (ssid
->ext_psk
) {
1339 struct wpabuf
*pw
= ext_password_get(wpa_s
->ext_pw
,
1341 char pw_str
[64 + 1];
1345 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: No PSK "
1346 "found from external storage");
1350 if (wpabuf_len(pw
) < 8 || wpabuf_len(pw
) > 64) {
1351 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: Unexpected "
1352 "PSK length %d in external storage",
1353 (int) wpabuf_len(pw
));
1354 ext_password_free(pw
);
1358 os_memcpy(pw_str
, wpabuf_head(pw
), wpabuf_len(pw
));
1359 pw_str
[wpabuf_len(pw
)] = '\0';
1361 #ifndef CONFIG_NO_PBKDF2
1362 if (wpabuf_len(pw
) >= 8 && wpabuf_len(pw
) < 64 && bss
)
1364 pbkdf2_sha1(pw_str
, bss
->ssid
, bss
->ssid_len
,
1365 4096, psk
, PMK_LEN
);
1366 os_memset(pw_str
, 0, sizeof(pw_str
));
1367 wpa_hexdump_key(MSG_MSGDUMP
, "PSK (from "
1368 "external passphrase)",
1370 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
, NULL
,
1373 os_memset(psk
, 0, sizeof(psk
));
1375 #endif /* CONFIG_NO_PBKDF2 */
1376 if (wpabuf_len(pw
) == 2 * PMK_LEN
) {
1377 if (hexstr2bin(pw_str
, psk
, PMK_LEN
) < 0) {
1378 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: "
1379 "Invalid PSK hex string");
1380 os_memset(pw_str
, 0, sizeof(pw_str
));
1381 ext_password_free(pw
);
1384 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
, NULL
,
1387 os_memset(psk
, 0, sizeof(psk
));
1389 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: No suitable "
1391 os_memset(pw_str
, 0, sizeof(pw_str
));
1392 ext_password_free(pw
);
1396 os_memset(pw_str
, 0, sizeof(pw_str
));
1397 ext_password_free(pw
);
1399 #endif /* CONFIG_EXT_PASSWORD */
1402 wpa_msg(wpa_s
, MSG_INFO
,
1403 "No PSK available for association");
1407 wpa_sm_set_pmk_from_pmksa(wpa_s
->wpa
);
1413 static void wpas_ext_capab_byte(struct wpa_supplicant
*wpa_s
, u8
*pos
, int idx
)
1418 case 0: /* Bits 0-7 */
1420 case 1: /* Bits 8-15 */
1422 case 2: /* Bits 16-23 */
1424 *pos
|= 0x02; /* Bit 17 - WNM-Sleep Mode */
1425 *pos
|= 0x08; /* Bit 19 - BSS Transition */
1426 #endif /* CONFIG_WNM */
1428 case 3: /* Bits 24-31 */
1430 *pos
|= 0x02; /* Bit 25 - SSID List */
1431 #endif /* CONFIG_WNM */
1432 #ifdef CONFIG_INTERWORKING
1433 if (wpa_s
->conf
->interworking
)
1434 *pos
|= 0x80; /* Bit 31 - Interworking */
1435 #endif /* CONFIG_INTERWORKING */
1437 case 4: /* Bits 32-39 */
1438 #ifdef CONFIG_INTERWORKING
1439 if (wpa_s
->drv_flags
/ WPA_DRIVER_FLAGS_QOS_MAPPING
)
1440 *pos
|= 0x01; /* Bit 32 - QoS Map */
1441 #endif /* CONFIG_INTERWORKING */
1443 case 5: /* Bits 40-47 */
1445 if (wpa_s
->conf
->hs20
)
1446 *pos
|= 0x40; /* Bit 46 - WNM-Notification */
1447 #endif /* CONFIG_HS20 */
1449 *pos
|= 0x40; /* Bit 46 - WNM-Notification */
1450 #endif /* CONFIG_MBO */
1452 case 6: /* Bits 48-55 */
1458 int wpas_build_ext_capab(struct wpa_supplicant
*wpa_s
, u8
*buf
, size_t buflen
)
1463 if (len
< wpa_s
->extended_capa_len
)
1464 len
= wpa_s
->extended_capa_len
;
1465 if (buflen
< (size_t) len
+ 2) {
1466 wpa_printf(MSG_INFO
,
1467 "Not enough room for building extended capabilities element");
1471 *pos
++ = WLAN_EID_EXT_CAPAB
;
1473 for (i
= 0; i
< len
; i
++, pos
++) {
1474 wpas_ext_capab_byte(wpa_s
, pos
, i
);
1476 if (i
< wpa_s
->extended_capa_len
) {
1477 *pos
&= ~wpa_s
->extended_capa_mask
[i
];
1478 *pos
|= wpa_s
->extended_capa
[i
];
1482 while (len
> 0 && buf
[1 + len
] == 0) {
1493 static int wpas_valid_bss(struct wpa_supplicant
*wpa_s
,
1494 struct wpa_bss
*test_bss
)
1496 struct wpa_bss
*bss
;
1498 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1499 if (bss
== test_bss
)
1507 static int wpas_valid_ssid(struct wpa_supplicant
*wpa_s
,
1508 struct wpa_ssid
*test_ssid
)
1510 struct wpa_ssid
*ssid
;
1512 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1513 if (ssid
== test_ssid
)
1521 int wpas_valid_bss_ssid(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*test_bss
,
1522 struct wpa_ssid
*test_ssid
)
1524 if (test_bss
&& !wpas_valid_bss(wpa_s
, test_bss
))
1527 return test_ssid
== NULL
|| wpas_valid_ssid(wpa_s
, test_ssid
);
1531 void wpas_connect_work_free(struct wpa_connect_work
*cwork
)
1539 void wpas_connect_work_done(struct wpa_supplicant
*wpa_s
)
1541 struct wpa_connect_work
*cwork
;
1542 struct wpa_radio_work
*work
= wpa_s
->connect_work
;
1547 wpa_s
->connect_work
= NULL
;
1550 wpas_connect_work_free(cwork
);
1551 radio_work_done(work
);
1555 int wpas_update_random_addr(struct wpa_supplicant
*wpa_s
, int style
)
1557 struct os_reltime now
;
1560 os_get_reltime(&now
);
1561 if (wpa_s
->last_mac_addr_style
== style
&&
1562 wpa_s
->last_mac_addr_change
.sec
!= 0 &&
1563 !os_reltime_expired(&now
, &wpa_s
->last_mac_addr_change
,
1564 wpa_s
->conf
->rand_addr_lifetime
)) {
1565 wpa_msg(wpa_s
, MSG_DEBUG
,
1566 "Previously selected random MAC address has not yet expired");
1572 if (random_mac_addr(addr
) < 0)
1576 os_memcpy(addr
, wpa_s
->perm_addr
, ETH_ALEN
);
1577 if (random_mac_addr_keep_oui(addr
) < 0)
1584 if (wpa_drv_set_mac_addr(wpa_s
, addr
) < 0) {
1585 wpa_msg(wpa_s
, MSG_INFO
,
1586 "Failed to set random MAC address");
1590 os_get_reltime(&wpa_s
->last_mac_addr_change
);
1591 wpa_s
->mac_addr_changed
= 1;
1592 wpa_s
->last_mac_addr_style
= style
;
1594 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0) {
1595 wpa_msg(wpa_s
, MSG_INFO
,
1596 "Could not update MAC address information");
1600 wpa_msg(wpa_s
, MSG_DEBUG
, "Using random MAC address " MACSTR
,
1607 int wpas_update_random_addr_disassoc(struct wpa_supplicant
*wpa_s
)
1609 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
||
1610 !wpa_s
->conf
->preassoc_mac_addr
)
1613 return wpas_update_random_addr(wpa_s
, wpa_s
->conf
->preassoc_mac_addr
);
1617 static void wpas_start_assoc_cb(struct wpa_radio_work
*work
, int deinit
);
1620 * wpa_supplicant_associate - Request association
1621 * @wpa_s: Pointer to wpa_supplicant data
1622 * @bss: Scan results for the selected BSS, or %NULL if not available
1623 * @ssid: Configuration data for the selected network
1625 * This function is used to request %wpa_supplicant to associate with a BSS.
1627 void wpa_supplicant_associate(struct wpa_supplicant
*wpa_s
,
1628 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
)
1630 struct wpa_connect_work
*cwork
;
1633 wpa_s
->own_disconnect_req
= 0;
1636 * If we are starting a new connection, any previously pending EAPOL
1637 * RX cannot be valid anymore.
1639 wpabuf_free(wpa_s
->pending_eapol_rx
);
1640 wpa_s
->pending_eapol_rx
= NULL
;
1642 if (ssid
->mac_addr
== -1)
1643 rand_style
= wpa_s
->conf
->mac_addr
;
1645 rand_style
= ssid
->mac_addr
;
1647 wmm_ac_clear_saved_tspecs(wpa_s
);
1648 wpa_s
->reassoc_same_bss
= 0;
1650 if (wpa_s
->last_ssid
== ssid
) {
1651 wpa_dbg(wpa_s
, MSG_DEBUG
, "Re-association to the same ESS");
1652 if (wpa_s
->current_bss
&& wpa_s
->current_bss
== bss
) {
1653 wmm_ac_save_tspecs(wpa_s
);
1654 wpa_s
->reassoc_same_bss
= 1;
1656 } else if (rand_style
> 0) {
1657 if (wpas_update_random_addr(wpa_s
, rand_style
) < 0)
1659 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, ssid
);
1660 } else if (wpa_s
->mac_addr_changed
) {
1661 if (wpa_drv_set_mac_addr(wpa_s
, NULL
) < 0) {
1662 wpa_msg(wpa_s
, MSG_INFO
,
1663 "Could not restore permanent MAC address");
1666 wpa_s
->mac_addr_changed
= 0;
1667 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0) {
1668 wpa_msg(wpa_s
, MSG_INFO
,
1669 "Could not update MAC address information");
1672 wpa_msg(wpa_s
, MSG_DEBUG
, "Using permanent MAC address");
1674 wpa_s
->last_ssid
= ssid
;
1676 #ifdef CONFIG_IBSS_RSN
1677 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
1678 wpa_s
->ibss_rsn
= NULL
;
1679 #endif /* CONFIG_IBSS_RSN */
1681 if (ssid
->mode
== WPAS_MODE_AP
|| ssid
->mode
== WPAS_MODE_P2P_GO
||
1682 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1684 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_AP
)) {
1685 wpa_msg(wpa_s
, MSG_INFO
, "Driver does not support AP "
1689 if (wpa_supplicant_create_ap(wpa_s
, ssid
) < 0) {
1690 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1691 if (ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
)
1692 wpas_p2p_ap_setup_failed(wpa_s
);
1695 wpa_s
->current_bss
= bss
;
1696 #else /* CONFIG_AP */
1697 wpa_msg(wpa_s
, MSG_ERROR
, "AP mode support not included in "
1699 #endif /* CONFIG_AP */
1703 if (ssid
->mode
== WPAS_MODE_MESH
) {
1705 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_MESH
)) {
1706 wpa_msg(wpa_s
, MSG_INFO
,
1707 "Driver does not support mesh mode");
1711 ssid
->frequency
= bss
->freq
;
1712 if (wpa_supplicant_join_mesh(wpa_s
, ssid
) < 0) {
1713 wpa_msg(wpa_s
, MSG_ERROR
, "Could not join mesh");
1716 wpa_s
->current_bss
= bss
;
1717 wpa_msg(wpa_s
, MSG_INFO
, MESH_GROUP_STARTED
"ssid=\"%s\" id=%d",
1718 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
1720 #else /* CONFIG_MESH */
1721 wpa_msg(wpa_s
, MSG_ERROR
,
1722 "mesh mode support not included in the build");
1723 #endif /* CONFIG_MESH */
1729 wpa_tdls_ap_ies(wpa_s
->wpa
, (const u8
*) (bss
+ 1),
1731 #endif /* CONFIG_TDLS */
1733 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
1734 ssid
->mode
== IEEE80211_MODE_INFRA
) {
1735 sme_authenticate(wpa_s
, bss
, ssid
);
1739 if (wpa_s
->connect_work
) {
1740 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reject wpa_supplicant_associate() call since connect_work exist");
1744 if (radio_work_pending(wpa_s
, "connect")) {
1745 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reject wpa_supplicant_associate() call since pending work exist");
1749 wpas_abort_ongoing_scan(wpa_s
);
1751 cwork
= os_zalloc(sizeof(*cwork
));
1758 if (radio_add_work(wpa_s
, bss
? bss
->freq
: 0, "connect", 1,
1759 wpas_start_assoc_cb
, cwork
) < 0) {
1765 static int bss_is_ibss(struct wpa_bss
*bss
)
1767 return (bss
->caps
& (IEEE80211_CAP_ESS
| IEEE80211_CAP_IBSS
)) ==
1772 static int drv_supports_vht(struct wpa_supplicant
*wpa_s
,
1773 const struct wpa_ssid
*ssid
)
1775 enum hostapd_hw_mode hw_mode
;
1776 struct hostapd_hw_modes
*mode
= NULL
;
1780 #ifdef CONFIG_HT_OVERRIDES
1781 if (ssid
->disable_ht
)
1783 #endif /* CONFIG_HT_OVERRIDES */
1785 hw_mode
= ieee80211_freq_to_chan(ssid
->frequency
, &channel
);
1786 if (hw_mode
== NUM_HOSTAPD_MODES
)
1788 for (i
= 0; wpa_s
->hw
.modes
&& i
< wpa_s
->hw
.num_modes
; i
++) {
1789 if (wpa_s
->hw
.modes
[i
].mode
== hw_mode
) {
1790 mode
= &wpa_s
->hw
.modes
[i
];
1798 return mode
->vht_capab
!= 0;
1802 void ibss_mesh_setup_freq(struct wpa_supplicant
*wpa_s
,
1803 const struct wpa_ssid
*ssid
,
1804 struct hostapd_freq_params
*freq
)
1806 enum hostapd_hw_mode hw_mode
;
1807 struct hostapd_hw_modes
*mode
= NULL
;
1808 int ht40plus
[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157,
1810 int vht80
[] = { 36, 52, 100, 116, 132, 149 };
1811 struct hostapd_channel_data
*pri_chan
= NULL
, *sec_chan
= NULL
;
1813 int i
, chan_idx
, ht40
= -1, res
, obss_scan
= 1;
1815 struct hostapd_freq_params vht_freq
;
1816 int chwidth
, seg0
, seg1
;
1819 freq
->freq
= ssid
->frequency
;
1821 for (j
= 0; j
< wpa_s
->last_scan_res_used
; j
++) {
1822 struct wpa_bss
*bss
= wpa_s
->last_scan_res
[j
];
1824 if (ssid
->mode
!= WPAS_MODE_IBSS
)
1827 /* Don't adjust control freq in case of fixed_freq */
1828 if (ssid
->fixed_freq
)
1831 if (!bss_is_ibss(bss
))
1834 if (ssid
->ssid_len
== bss
->ssid_len
&&
1835 os_memcmp(ssid
->ssid
, bss
->ssid
, bss
->ssid_len
) == 0) {
1836 wpa_printf(MSG_DEBUG
,
1837 "IBSS already found in scan results, adjust control freq: %d",
1839 freq
->freq
= bss
->freq
;
1845 /* For IBSS check HT_IBSS flag */
1846 if (ssid
->mode
== WPAS_MODE_IBSS
&&
1847 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_HT_IBSS
))
1850 if (wpa_s
->group_cipher
== WPA_CIPHER_WEP40
||
1851 wpa_s
->group_cipher
== WPA_CIPHER_WEP104
||
1852 wpa_s
->pairwise_cipher
== WPA_CIPHER_TKIP
) {
1853 wpa_printf(MSG_DEBUG
,
1854 "IBSS: WEP/TKIP detected, do not try to enable HT");
1858 hw_mode
= ieee80211_freq_to_chan(freq
->freq
, &channel
);
1859 for (i
= 0; wpa_s
->hw
.modes
&& i
< wpa_s
->hw
.num_modes
; i
++) {
1860 if (wpa_s
->hw
.modes
[i
].mode
== hw_mode
) {
1861 mode
= &wpa_s
->hw
.modes
[i
];
1869 freq
->ht_enabled
= ht_supported(mode
);
1870 if (!freq
->ht_enabled
)
1873 /* Setup higher BW only for 5 GHz */
1874 if (mode
->mode
!= HOSTAPD_MODE_IEEE80211A
)
1877 for (chan_idx
= 0; chan_idx
< mode
->num_channels
; chan_idx
++) {
1878 pri_chan
= &mode
->channels
[chan_idx
];
1879 if (pri_chan
->chan
== channel
)
1886 /* Check primary channel flags */
1887 if (pri_chan
->flag
& (HOSTAPD_CHAN_DISABLED
| HOSTAPD_CHAN_NO_IR
))
1890 /* Check/setup HT40+/HT40- */
1891 for (j
= 0; j
< ARRAY_SIZE(ht40plus
); j
++) {
1892 if (ht40plus
[j
] == channel
) {
1898 /* Find secondary channel */
1899 for (i
= 0; i
< mode
->num_channels
; i
++) {
1900 sec_chan
= &mode
->channels
[i
];
1901 if (sec_chan
->chan
== channel
+ ht40
* 4)
1908 /* Check secondary channel flags */
1909 if (sec_chan
->flag
& (HOSTAPD_CHAN_DISABLED
| HOSTAPD_CHAN_NO_IR
))
1912 freq
->channel
= pri_chan
->chan
;
1916 if (!(pri_chan
->flag
& HOSTAPD_CHAN_HT40MINUS
))
1918 freq
->sec_channel_offset
= -1;
1921 if (!(pri_chan
->flag
& HOSTAPD_CHAN_HT40PLUS
))
1923 freq
->sec_channel_offset
= 1;
1929 if (freq
->sec_channel_offset
&& obss_scan
) {
1930 struct wpa_scan_results
*scan_res
;
1932 scan_res
= wpa_supplicant_get_scan_results(wpa_s
, NULL
, 0);
1933 if (scan_res
== NULL
) {
1935 freq
->sec_channel_offset
= 0;
1939 res
= check_40mhz_5g(mode
, scan_res
, pri_chan
->chan
,
1944 freq
->sec_channel_offset
= 0;
1947 /* Configuration allowed */
1950 /* Switch pri/sec channels */
1951 freq
->freq
= hw_get_freq(mode
, sec_chan
->chan
);
1952 freq
->sec_channel_offset
= -freq
->sec_channel_offset
;
1953 freq
->channel
= sec_chan
->chan
;
1956 freq
->sec_channel_offset
= 0;
1960 wpa_scan_results_free(scan_res
);
1963 wpa_printf(MSG_DEBUG
,
1964 "IBSS/mesh: setup freq channel %d, sec_channel_offset %d",
1965 freq
->channel
, freq
->sec_channel_offset
);
1967 if (!drv_supports_vht(wpa_s
, ssid
))
1970 /* For IBSS check VHT_IBSS flag */
1971 if (ssid
->mode
== WPAS_MODE_IBSS
&&
1972 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_VHT_IBSS
))
1977 vht_freq
.vht_enabled
= vht_supported(mode
);
1978 if (!vht_freq
.vht_enabled
)
1981 /* setup center_freq1, bandwidth */
1982 for (j
= 0; j
< ARRAY_SIZE(vht80
); j
++) {
1983 if (freq
->channel
>= vht80
[j
] &&
1984 freq
->channel
< vht80
[j
] + 16)
1988 if (j
== ARRAY_SIZE(vht80
))
1991 for (i
= vht80
[j
]; i
< vht80
[j
] + 16; i
+= 4) {
1992 struct hostapd_channel_data
*chan
;
1994 chan
= hw_get_channel_chan(mode
, i
, NULL
);
1998 /* Back to HT configuration if channel not usable */
1999 if (chan
->flag
& (HOSTAPD_CHAN_DISABLED
| HOSTAPD_CHAN_NO_IR
))
2003 chwidth
= VHT_CHANWIDTH_80MHZ
;
2004 seg0
= vht80
[j
] + 6;
2007 if (ssid
->max_oper_chwidth
== VHT_CHANWIDTH_80P80MHZ
) {
2008 /* setup center_freq2, bandwidth */
2009 for (k
= 0; k
< ARRAY_SIZE(vht80
); k
++) {
2010 /* Only accept 80 MHz segments separated by a gap */
2011 if (j
== k
|| abs(vht80
[j
] - vht80
[k
]) == 16)
2013 for (i
= vht80
[k
]; i
< vht80
[k
] + 16; i
+= 4) {
2014 struct hostapd_channel_data
*chan
;
2016 chan
= hw_get_channel_chan(mode
, i
, NULL
);
2020 if (chan
->flag
& (HOSTAPD_CHAN_DISABLED
|
2021 HOSTAPD_CHAN_NO_IR
|
2022 HOSTAPD_CHAN_RADAR
))
2025 /* Found a suitable second segment for 80+80 */
2026 chwidth
= VHT_CHANWIDTH_80P80MHZ
;
2028 VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ
;
2029 seg1
= vht80
[k
] + 6;
2032 if (chwidth
== VHT_CHANWIDTH_80P80MHZ
)
2037 if (hostapd_set_freq_params(&vht_freq
, mode
->mode
, freq
->freq
,
2038 freq
->channel
, freq
->ht_enabled
,
2039 vht_freq
.vht_enabled
,
2040 freq
->sec_channel_offset
,
2041 chwidth
, seg0
, seg1
, vht_caps
) != 0)
2046 wpa_printf(MSG_DEBUG
, "IBSS: VHT setup freq cf1 %d, cf2 %d, bw %d",
2047 freq
->center_freq1
, freq
->center_freq2
, freq
->bandwidth
);
2051 static void wpas_start_assoc_cb(struct wpa_radio_work
*work
, int deinit
)
2053 struct wpa_connect_work
*cwork
= work
->ctx
;
2054 struct wpa_bss
*bss
= cwork
->bss
;
2055 struct wpa_ssid
*ssid
= cwork
->ssid
;
2056 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
2059 int use_crypt
, ret
, i
, bssid_changed
;
2060 int algs
= WPA_AUTH_ALG_OPEN
;
2061 unsigned int cipher_pairwise
, cipher_group
;
2062 struct wpa_driver_associate_params params
;
2063 int wep_keys_set
= 0;
2064 int assoc_failed
= 0;
2065 struct wpa_ssid
*old_ssid
;
2066 #ifdef CONFIG_HT_OVERRIDES
2067 struct ieee80211_ht_capabilities htcaps
;
2068 struct ieee80211_ht_capabilities htcaps_mask
;
2069 #endif /* CONFIG_HT_OVERRIDES */
2070 #ifdef CONFIG_VHT_OVERRIDES
2071 struct ieee80211_vht_capabilities vhtcaps
;
2072 struct ieee80211_vht_capabilities vhtcaps_mask
;
2073 #endif /* CONFIG_VHT_OVERRIDES */
2075 const u8
*mbo
= NULL
;
2076 #endif /* CONFIG_MBO */
2079 if (work
->started
) {
2080 wpa_s
->connect_work
= NULL
;
2082 /* cancel possible auth. timeout */
2083 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
,
2086 wpas_connect_work_free(cwork
);
2090 wpa_s
->connect_work
= work
;
2092 if (cwork
->bss_removed
|| !wpas_valid_bss_ssid(wpa_s
, bss
, ssid
) ||
2093 wpas_network_disabled(wpa_s
, ssid
)) {
2094 wpa_dbg(wpa_s
, MSG_DEBUG
, "BSS/SSID entry for association not valid anymore - drop connection attempt");
2095 wpas_connect_work_done(wpa_s
);
2099 os_memset(¶ms
, 0, sizeof(params
));
2100 wpa_s
->reassociate
= 0;
2101 wpa_s
->eap_expected_failure
= 0;
2103 (!wpas_driver_bss_selection(wpa_s
) || wpas_wps_searching(wpa_s
))) {
2104 #ifdef CONFIG_IEEE80211R
2105 const u8
*ie
, *md
= NULL
;
2106 #endif /* CONFIG_IEEE80211R */
2107 wpa_msg(wpa_s
, MSG_INFO
, "Trying to associate with " MACSTR
2108 " (SSID='%s' freq=%d MHz)", MAC2STR(bss
->bssid
),
2109 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
), bss
->freq
);
2110 bssid_changed
= !is_zero_ether_addr(wpa_s
->bssid
);
2111 os_memset(wpa_s
->bssid
, 0, ETH_ALEN
);
2112 os_memcpy(wpa_s
->pending_bssid
, bss
->bssid
, ETH_ALEN
);
2114 wpas_notify_bssid_changed(wpa_s
);
2115 #ifdef CONFIG_IEEE80211R
2116 ie
= wpa_bss_get_ie(bss
, WLAN_EID_MOBILITY_DOMAIN
);
2117 if (ie
&& ie
[1] >= MOBILITY_DOMAIN_ID_LEN
)
2119 wpa_sm_set_ft_params(wpa_s
->wpa
, ie
, ie
? 2 + ie
[1] : 0);
2121 /* Prepare for the next transition */
2122 wpa_ft_prepare_auth_request(wpa_s
->wpa
, ie
);
2124 #endif /* CONFIG_IEEE80211R */
2126 } else if ((ssid
->ssid
== NULL
|| ssid
->ssid_len
== 0) &&
2127 wpa_s
->conf
->ap_scan
== 2 &&
2128 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
2129 /* Use ap_scan==1 style network selection to find the network
2131 wpas_connect_work_done(wpa_s
);
2132 wpa_s
->scan_req
= MANUAL_SCAN_REQ
;
2133 wpa_s
->reassociate
= 1;
2134 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2136 #endif /* CONFIG_WPS */
2138 wpa_msg(wpa_s
, MSG_INFO
, "Trying to associate with SSID '%s'",
2139 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
2140 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
2143 wpa_supplicant_cancel_sched_scan(wpa_s
);
2145 wpa_supplicant_cancel_scan(wpa_s
);
2147 /* Starting new association, so clear the possibly used WPA IE from the
2148 * previous association. */
2149 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
2151 #ifdef IEEE8021X_EAPOL
2152 if (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
2154 if (ssid
->non_leap
== 0)
2155 algs
= WPA_AUTH_ALG_LEAP
;
2157 algs
|= WPA_AUTH_ALG_LEAP
;
2160 #endif /* IEEE8021X_EAPOL */
2161 wpa_dbg(wpa_s
, MSG_DEBUG
, "Automatic auth_alg selection: 0x%x", algs
);
2162 if (ssid
->auth_alg
) {
2163 algs
= ssid
->auth_alg
;
2164 wpa_dbg(wpa_s
, MSG_DEBUG
, "Overriding auth_alg selection: "
2168 if (bss
&& (wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
) ||
2169 wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) &&
2170 wpa_key_mgmt_wpa(ssid
->key_mgmt
)) {
2171 int try_opportunistic
;
2172 try_opportunistic
= (ssid
->proactive_key_caching
< 0 ?
2174 ssid
->proactive_key_caching
) &&
2175 (ssid
->proto
& WPA_PROTO_RSN
);
2176 if (pmksa_cache_set_current(wpa_s
->wpa
, NULL
, bss
->bssid
,
2177 ssid
, try_opportunistic
) == 0)
2178 eapol_sm_notify_pmkid_attempt(wpa_s
->eapol
);
2179 wpa_ie_len
= sizeof(wpa_ie
);
2180 if (wpa_supplicant_set_suites(wpa_s
, bss
, ssid
,
2181 wpa_ie
, &wpa_ie_len
)) {
2182 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to set WPA "
2183 "key management and encryption suites");
2184 wpas_connect_work_done(wpa_s
);
2187 } else if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) && bss
&&
2188 wpa_key_mgmt_wpa_ieee8021x(ssid
->key_mgmt
)) {
2190 * Both WPA and non-WPA IEEE 802.1X enabled in configuration -
2191 * use non-WPA since the scan results did not indicate that the
2192 * AP is using WPA or WPA2.
2194 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
2196 wpa_s
->wpa_proto
= 0;
2197 } else if (wpa_key_mgmt_wpa_any(ssid
->key_mgmt
)) {
2198 wpa_ie_len
= sizeof(wpa_ie
);
2199 if (wpa_supplicant_set_suites(wpa_s
, NULL
, ssid
,
2200 wpa_ie
, &wpa_ie_len
)) {
2201 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to set WPA "
2202 "key management and encryption suites (no "
2204 wpas_connect_work_done(wpa_s
);
2208 } else if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
2209 struct wpabuf
*wps_ie
;
2210 wps_ie
= wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid
));
2211 if (wps_ie
&& wpabuf_len(wps_ie
) <= sizeof(wpa_ie
)) {
2212 wpa_ie_len
= wpabuf_len(wps_ie
);
2213 os_memcpy(wpa_ie
, wpabuf_head(wps_ie
), wpa_ie_len
);
2216 wpabuf_free(wps_ie
);
2217 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
2218 if (!bss
|| (bss
->caps
& IEEE80211_CAP_PRIVACY
))
2219 params
.wps
= WPS_MODE_PRIVACY
;
2221 params
.wps
= WPS_MODE_OPEN
;
2222 wpa_s
->wpa_proto
= 0;
2223 #endif /* CONFIG_WPS */
2225 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
2227 wpa_s
->wpa_proto
= 0;
2231 if (wpa_s
->global
->p2p
) {
2235 pos
= wpa_ie
+ wpa_ie_len
;
2236 len
= sizeof(wpa_ie
) - wpa_ie_len
;
2237 res
= wpas_p2p_assoc_req_ie(wpa_s
, bss
, pos
, len
,
2243 wpa_s
->cross_connect_disallowed
= 0;
2246 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
2248 wpa_s
->cross_connect_disallowed
=
2249 p2p_get_cross_connect_disallowed(p2p
);
2251 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: WLAN AP %s cross "
2253 wpa_s
->cross_connect_disallowed
?
2254 "disallows" : "allows");
2258 os_memset(wpa_s
->p2p_ip_addr_info
, 0, sizeof(wpa_s
->p2p_ip_addr_info
));
2259 #endif /* CONFIG_P2P */
2263 mbo
= wpa_bss_get_vendor_ie(bss
, MBO_IE_VENDOR_TYPE
);
2267 len
= wpas_mbo_supp_op_class_ie(wpa_s
, bss
->freq
,
2268 wpa_ie
+ wpa_ie_len
,
2275 #endif /* CONFIG_MBO */
2278 * Workaround: Add Extended Capabilities element only if the AP
2279 * included this element in Beacon/Probe Response frames. Some older
2280 * APs seem to have interoperability issues if this element is
2281 * included, so while the standard may require us to include the
2282 * element in all cases, it is justifiable to skip it to avoid
2283 * interoperability issues.
2285 if (!bss
|| wpa_bss_get_ie(bss
, WLAN_EID_EXT_CAPAB
)) {
2288 ext_capab_len
= wpas_build_ext_capab(wpa_s
, ext_capab
,
2290 if (ext_capab_len
> 0) {
2292 if (wpa_ie_len
> 0 && pos
[0] == WLAN_EID_RSN
)
2294 os_memmove(pos
+ ext_capab_len
, pos
,
2295 wpa_ie_len
- (pos
- wpa_ie
));
2296 wpa_ie_len
+= ext_capab_len
;
2297 os_memcpy(pos
, ext_capab
, ext_capab_len
);
2302 if (is_hs20_network(wpa_s
, ssid
, bss
)) {
2303 struct wpabuf
*hs20
;
2305 hs20
= wpabuf_alloc(20);
2307 int pps_mo_id
= hs20_get_pps_mo_id(wpa_s
, ssid
);
2310 wpas_hs20_add_indication(hs20
, pps_mo_id
);
2311 len
= sizeof(wpa_ie
) - wpa_ie_len
;
2312 if (wpabuf_len(hs20
) <= len
) {
2313 os_memcpy(wpa_ie
+ wpa_ie_len
,
2314 wpabuf_head(hs20
), wpabuf_len(hs20
));
2315 wpa_ie_len
+= wpabuf_len(hs20
);
2320 #endif /* CONFIG_HS20 */
2322 if (wpa_s
->vendor_elem
[VENDOR_ELEM_ASSOC_REQ
]) {
2323 struct wpabuf
*buf
= wpa_s
->vendor_elem
[VENDOR_ELEM_ASSOC_REQ
];
2326 len
= sizeof(wpa_ie
) - wpa_ie_len
;
2327 if (wpabuf_len(buf
) <= len
) {
2328 os_memcpy(wpa_ie
+ wpa_ie_len
,
2329 wpabuf_head(buf
), wpabuf_len(buf
));
2330 wpa_ie_len
+= wpabuf_len(buf
);
2335 if (wpa_s
->fst_ies
) {
2336 int fst_ies_len
= wpabuf_len(wpa_s
->fst_ies
);
2338 if (wpa_ie_len
+ fst_ies_len
<= sizeof(wpa_ie
)) {
2339 os_memcpy(wpa_ie
+ wpa_ie_len
,
2340 wpabuf_head(wpa_s
->fst_ies
), fst_ies_len
);
2341 wpa_ie_len
+= fst_ies_len
;
2344 #endif /* CONFIG_FST */
2350 len
= wpas_mbo_ie(wpa_s
, wpa_ie
+ wpa_ie_len
,
2351 sizeof(wpa_ie
) - wpa_ie_len
);
2355 #endif /* CONFIG_MBO */
2357 wpa_clear_keys(wpa_s
, bss
? bss
->bssid
: NULL
);
2359 cipher_pairwise
= wpa_s
->pairwise_cipher
;
2360 cipher_group
= wpa_s
->group_cipher
;
2361 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
2362 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
2363 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
)
2365 if (wpa_set_wep_keys(wpa_s
, ssid
)) {
2370 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
)
2373 #ifdef IEEE8021X_EAPOL
2374 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
2375 if ((ssid
->eapol_flags
&
2376 (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
2377 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
)) == 0 &&
2381 /* Assume that dynamic WEP-104 keys will be used and
2382 * set cipher suites in order for drivers to expect
2384 cipher_pairwise
= cipher_group
= WPA_CIPHER_WEP104
;
2387 #endif /* IEEE8021X_EAPOL */
2389 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2390 /* Set the key before (and later after) association */
2391 wpa_supplicant_set_wpa_none_key(wpa_s
, ssid
);
2394 wpa_supplicant_set_state(wpa_s
, WPA_ASSOCIATING
);
2396 params
.ssid
= bss
->ssid
;
2397 params
.ssid_len
= bss
->ssid_len
;
2398 if (!wpas_driver_bss_selection(wpa_s
) || ssid
->bssid_set
) {
2399 wpa_printf(MSG_DEBUG
, "Limit connection to BSSID "
2400 MACSTR
" freq=%u MHz based on scan results "
2402 MAC2STR(bss
->bssid
), bss
->freq
,
2404 params
.bssid
= bss
->bssid
;
2405 params
.freq
.freq
= bss
->freq
;
2407 params
.bssid_hint
= bss
->bssid
;
2408 params
.freq_hint
= bss
->freq
;
2409 params
.pbss
= bss_is_pbss(bss
);
2411 params
.ssid
= ssid
->ssid
;
2412 params
.ssid_len
= ssid
->ssid_len
;
2413 params
.pbss
= ssid
->pbss
;
2416 if (ssid
->mode
== WPAS_MODE_IBSS
&& ssid
->bssid_set
&&
2417 wpa_s
->conf
->ap_scan
== 2) {
2418 params
.bssid
= ssid
->bssid
;
2419 params
.fixed_bssid
= 1;
2422 /* Initial frequency for IBSS/mesh */
2423 if ((ssid
->mode
== WPAS_MODE_IBSS
|| ssid
->mode
== WPAS_MODE_MESH
) &&
2424 ssid
->frequency
> 0 && params
.freq
.freq
== 0)
2425 ibss_mesh_setup_freq(wpa_s
, ssid
, ¶ms
.freq
);
2427 if (ssid
->mode
== WPAS_MODE_IBSS
) {
2428 params
.fixed_freq
= ssid
->fixed_freq
;
2429 if (ssid
->beacon_int
)
2430 params
.beacon_int
= ssid
->beacon_int
;
2432 params
.beacon_int
= wpa_s
->conf
->beacon_int
;
2435 params
.wpa_ie
= wpa_ie
;
2436 params
.wpa_ie_len
= wpa_ie_len
;
2437 params
.pairwise_suite
= cipher_pairwise
;
2438 params
.group_suite
= cipher_group
;
2439 params
.key_mgmt_suite
= wpa_s
->key_mgmt
;
2440 params
.wpa_proto
= wpa_s
->wpa_proto
;
2441 params
.auth_alg
= algs
;
2442 params
.mode
= ssid
->mode
;
2443 params
.bg_scan_period
= ssid
->bg_scan_period
;
2444 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
2445 if (ssid
->wep_key_len
[i
])
2446 params
.wep_key
[i
] = ssid
->wep_key
[i
];
2447 params
.wep_key_len
[i
] = ssid
->wep_key_len
[i
];
2449 params
.wep_tx_keyidx
= ssid
->wep_tx_keyidx
;
2451 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
2452 (params
.key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
2453 params
.key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
)) {
2454 params
.passphrase
= ssid
->passphrase
;
2456 params
.psk
= ssid
->psk
;
2459 if (wpa_s
->conf
->key_mgmt_offload
) {
2460 if (params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X
||
2461 params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SHA256
||
2462 params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B
||
2463 params
.key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
)
2464 params
.req_key_mgmt_offload
=
2465 ssid
->proactive_key_caching
< 0 ?
2466 wpa_s
->conf
->okc
: ssid
->proactive_key_caching
;
2468 params
.req_key_mgmt_offload
= 1;
2470 if ((params
.key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
2471 params
.key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
||
2472 params
.key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
) &&
2474 params
.psk
= ssid
->psk
;
2477 params
.drop_unencrypted
= use_crypt
;
2479 #ifdef CONFIG_IEEE80211W
2480 params
.mgmt_frame_protection
= wpas_get_ssid_pmf(wpa_s
, ssid
);
2481 if (params
.mgmt_frame_protection
!= NO_MGMT_FRAME_PROTECTION
&& bss
) {
2482 const u8
*rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
2483 struct wpa_ie_data ie
;
2484 if (rsn
&& wpa_parse_wpa_ie(rsn
, 2 + rsn
[1], &ie
) == 0 &&
2486 (WPA_CAPABILITY_MFPC
| WPA_CAPABILITY_MFPR
)) {
2487 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected AP supports "
2488 "MFP: require MFP");
2489 params
.mgmt_frame_protection
=
2490 MGMT_FRAME_PROTECTION_REQUIRED
;
2493 #endif /* CONFIG_IEEE80211W */
2495 params
.p2p
= ssid
->p2p_group
;
2497 if (wpa_s
->p2pdev
->set_sta_uapsd
)
2498 params
.uapsd
= wpa_s
->p2pdev
->sta_uapsd
;
2502 #ifdef CONFIG_HT_OVERRIDES
2503 os_memset(&htcaps
, 0, sizeof(htcaps
));
2504 os_memset(&htcaps_mask
, 0, sizeof(htcaps_mask
));
2505 params
.htcaps
= (u8
*) &htcaps
;
2506 params
.htcaps_mask
= (u8
*) &htcaps_mask
;
2507 wpa_supplicant_apply_ht_overrides(wpa_s
, ssid
, ¶ms
);
2508 #endif /* CONFIG_HT_OVERRIDES */
2509 #ifdef CONFIG_VHT_OVERRIDES
2510 os_memset(&vhtcaps
, 0, sizeof(vhtcaps
));
2511 os_memset(&vhtcaps_mask
, 0, sizeof(vhtcaps_mask
));
2512 params
.vhtcaps
= &vhtcaps
;
2513 params
.vhtcaps_mask
= &vhtcaps_mask
;
2514 wpa_supplicant_apply_vht_overrides(wpa_s
, ssid
, ¶ms
);
2515 #endif /* CONFIG_VHT_OVERRIDES */
2519 * If multi-channel concurrency is not supported, check for any
2520 * frequency conflict. In case of any frequency conflict, remove the
2521 * least prioritized connection.
2523 if (wpa_s
->num_multichan_concurrent
< 2) {
2525 num
= get_shared_radio_freqs(wpa_s
, &freq
, 1);
2526 if (num
> 0 && freq
> 0 && freq
!= params
.freq
.freq
) {
2527 wpa_printf(MSG_DEBUG
,
2528 "Assoc conflicting freq found (%d != %d)",
2529 freq
, params
.freq
.freq
);
2530 if (wpas_p2p_handle_frequency_conflicts(
2531 wpa_s
, params
.freq
.freq
, ssid
) < 0) {
2532 wpas_connect_work_done(wpa_s
);
2537 #endif /* CONFIG_P2P */
2539 ret
= wpa_drv_associate(wpa_s
, ¶ms
);
2541 wpa_msg(wpa_s
, MSG_INFO
, "Association request to the driver "
2543 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SANE_ERROR_CODES
) {
2545 * The driver is known to mean what is saying, so we
2546 * can stop right here; the association will not
2549 wpas_connection_failed(wpa_s
, wpa_s
->pending_bssid
);
2550 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
2551 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
2554 /* try to continue anyway; new association will be tried again
2559 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2560 /* Set the key after the association just in case association
2561 * cleared the previously configured key. */
2562 wpa_supplicant_set_wpa_none_key(wpa_s
, ssid
);
2563 /* No need to timeout authentication since there is no key
2565 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2566 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
2567 #ifdef CONFIG_IBSS_RSN
2568 } else if (ssid
->mode
== WPAS_MODE_IBSS
&&
2569 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
2570 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
) {
2572 * RSN IBSS authentication is per-STA and we can disable the
2573 * per-BSSID authentication.
2575 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2576 #endif /* CONFIG_IBSS_RSN */
2578 /* Timeout for IEEE 802.11 authentication and association */
2582 /* give IBSS a bit more time */
2583 timeout
= ssid
->mode
== WPAS_MODE_IBSS
? 10 : 5;
2584 } else if (wpa_s
->conf
->ap_scan
== 1) {
2585 /* give IBSS a bit more time */
2586 timeout
= ssid
->mode
== WPAS_MODE_IBSS
? 20 : 10;
2588 wpa_supplicant_req_auth_timeout(wpa_s
, timeout
, 0);
2592 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC
)) {
2593 /* Set static WEP keys again */
2594 wpa_set_wep_keys(wpa_s
, ssid
);
2597 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
!= ssid
) {
2599 * Do not allow EAP session resumption between different
2600 * network configurations.
2602 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
2604 old_ssid
= wpa_s
->current_ssid
;
2605 wpa_s
->current_ssid
= ssid
;
2606 if (!wpas_driver_bss_selection(wpa_s
) || ssid
->bssid_set
)
2607 wpa_s
->current_bss
= bss
;
2608 wpa_supplicant_rsn_supp_set_config(wpa_s
, wpa_s
->current_ssid
);
2609 wpa_supplicant_initiate_eapol(wpa_s
);
2610 if (old_ssid
!= wpa_s
->current_ssid
)
2611 wpas_notify_network_changed(wpa_s
);
2615 static void wpa_supplicant_clear_connection(struct wpa_supplicant
*wpa_s
,
2618 struct wpa_ssid
*old_ssid
;
2620 wpas_connect_work_done(wpa_s
);
2621 wpa_clear_keys(wpa_s
, addr
);
2622 old_ssid
= wpa_s
->current_ssid
;
2623 wpa_supplicant_mark_disassoc(wpa_s
);
2624 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
2625 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
2626 if (old_ssid
!= wpa_s
->current_ssid
)
2627 wpas_notify_network_changed(wpa_s
);
2628 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
2633 * wpa_supplicant_deauthenticate - Deauthenticate the current connection
2634 * @wpa_s: Pointer to wpa_supplicant data
2635 * @reason_code: IEEE 802.11 reason code for the deauthenticate frame
2637 * This function is used to request %wpa_supplicant to deauthenticate from the
2640 void wpa_supplicant_deauthenticate(struct wpa_supplicant
*wpa_s
,
2644 union wpa_event_data event
;
2647 wpa_dbg(wpa_s
, MSG_DEBUG
, "Request to deauthenticate - bssid=" MACSTR
2648 " pending_bssid=" MACSTR
" reason=%d state=%s",
2649 MAC2STR(wpa_s
->bssid
), MAC2STR(wpa_s
->pending_bssid
),
2650 reason_code
, wpa_supplicant_state_txt(wpa_s
->wpa_state
));
2652 if (!is_zero_ether_addr(wpa_s
->bssid
))
2653 addr
= wpa_s
->bssid
;
2654 else if (!is_zero_ether_addr(wpa_s
->pending_bssid
) &&
2655 (wpa_s
->wpa_state
== WPA_AUTHENTICATING
||
2656 wpa_s
->wpa_state
== WPA_ASSOCIATING
))
2657 addr
= wpa_s
->pending_bssid
;
2658 else if (wpa_s
->wpa_state
== WPA_ASSOCIATING
) {
2660 * When using driver-based BSS selection, we may not know the
2661 * BSSID with which we are currently trying to associate. We
2662 * need to notify the driver of this disconnection even in such
2663 * a case, so use the all zeros address here.
2665 addr
= wpa_s
->bssid
;
2670 wpa_tdls_teardown_peers(wpa_s
->wpa
);
2671 #endif /* CONFIG_TDLS */
2675 wpa_msg(wpa_s
, MSG_INFO
, MESH_GROUP_REMOVED
"%s",
2677 wpa_supplicant_leave_mesh(wpa_s
);
2679 #endif /* CONFIG_MESH */
2682 wpa_drv_deauthenticate(wpa_s
, addr
, reason_code
);
2683 os_memset(&event
, 0, sizeof(event
));
2684 event
.deauth_info
.reason_code
= (u16
) reason_code
;
2685 event
.deauth_info
.locally_generated
= 1;
2686 wpa_supplicant_event(wpa_s
, EVENT_DEAUTH
, &event
);
2691 wpa_supplicant_clear_connection(wpa_s
, addr
);
2694 static void wpa_supplicant_enable_one_network(struct wpa_supplicant
*wpa_s
,
2695 struct wpa_ssid
*ssid
)
2697 if (!ssid
|| !ssid
->disabled
|| ssid
->disabled
== 2)
2701 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
2702 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
2705 * Try to reassociate since there is no current configuration and a new
2706 * network was made available.
2708 if (!wpa_s
->current_ssid
&& !wpa_s
->disconnected
)
2709 wpa_s
->reassociate
= 1;
2714 * wpa_supplicant_enable_network - Mark a configured network as enabled
2715 * @wpa_s: wpa_supplicant structure for a network interface
2716 * @ssid: wpa_ssid structure for a configured network or %NULL
2718 * Enables the specified network or all networks if no network specified.
2720 void wpa_supplicant_enable_network(struct wpa_supplicant
*wpa_s
,
2721 struct wpa_ssid
*ssid
)
2724 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
2725 wpa_supplicant_enable_one_network(wpa_s
, ssid
);
2727 wpa_supplicant_enable_one_network(wpa_s
, ssid
);
2729 if (wpa_s
->reassociate
&& !wpa_s
->disconnected
&&
2730 (!wpa_s
->current_ssid
||
2731 wpa_s
->wpa_state
== WPA_DISCONNECTED
||
2732 wpa_s
->wpa_state
== WPA_SCANNING
)) {
2733 if (wpa_s
->sched_scanning
) {
2734 wpa_printf(MSG_DEBUG
, "Stop ongoing sched_scan to add "
2735 "new network to scan filters");
2736 wpa_supplicant_cancel_sched_scan(wpa_s
);
2739 if (wpa_supplicant_fast_associate(wpa_s
) != 1) {
2740 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
2741 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2748 * wpa_supplicant_disable_network - Mark a configured network as disabled
2749 * @wpa_s: wpa_supplicant structure for a network interface
2750 * @ssid: wpa_ssid structure for a configured network or %NULL
2752 * Disables the specified network or all networks if no network specified.
2754 void wpa_supplicant_disable_network(struct wpa_supplicant
*wpa_s
,
2755 struct wpa_ssid
*ssid
)
2757 struct wpa_ssid
*other_ssid
;
2761 if (wpa_s
->sched_scanning
)
2762 wpa_supplicant_cancel_sched_scan(wpa_s
);
2764 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
2765 other_ssid
= other_ssid
->next
) {
2766 was_disabled
= other_ssid
->disabled
;
2767 if (was_disabled
== 2)
2768 continue; /* do not change persistent P2P group
2771 other_ssid
->disabled
= 1;
2773 if (was_disabled
!= other_ssid
->disabled
)
2774 wpas_notify_network_enabled_changed(
2777 if (wpa_s
->current_ssid
)
2778 wpa_supplicant_deauthenticate(
2779 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2780 } else if (ssid
->disabled
!= 2) {
2781 if (ssid
== wpa_s
->current_ssid
)
2782 wpa_supplicant_deauthenticate(
2783 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2785 was_disabled
= ssid
->disabled
;
2789 if (was_disabled
!= ssid
->disabled
) {
2790 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
2791 if (wpa_s
->sched_scanning
) {
2792 wpa_printf(MSG_DEBUG
, "Stop ongoing sched_scan "
2793 "to remove network from filters");
2794 wpa_supplicant_cancel_sched_scan(wpa_s
);
2795 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2803 * wpa_supplicant_select_network - Attempt association with a network
2804 * @wpa_s: wpa_supplicant structure for a network interface
2805 * @ssid: wpa_ssid structure for a configured network or %NULL for any network
2807 void wpa_supplicant_select_network(struct wpa_supplicant
*wpa_s
,
2808 struct wpa_ssid
*ssid
)
2811 struct wpa_ssid
*other_ssid
;
2812 int disconnected
= 0;
2814 if (ssid
&& ssid
!= wpa_s
->current_ssid
&& wpa_s
->current_ssid
) {
2815 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
2816 wpa_s
->own_disconnect_req
= 1;
2817 wpa_supplicant_deauthenticate(
2818 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2823 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
2826 * Mark all other networks disabled or mark all networks enabled if no
2827 * network specified.
2829 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
2830 other_ssid
= other_ssid
->next
) {
2831 int was_disabled
= other_ssid
->disabled
;
2832 if (was_disabled
== 2)
2833 continue; /* do not change persistent P2P group data */
2835 other_ssid
->disabled
= ssid
? (ssid
->id
!= other_ssid
->id
) : 0;
2836 if (was_disabled
&& !other_ssid
->disabled
)
2837 wpas_clear_temp_disabled(wpa_s
, other_ssid
, 0);
2839 if (was_disabled
!= other_ssid
->disabled
)
2840 wpas_notify_network_enabled_changed(wpa_s
, other_ssid
);
2843 if (ssid
&& ssid
== wpa_s
->current_ssid
&& wpa_s
->current_ssid
&&
2844 wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2845 /* We are already associated with the selected network */
2846 wpa_printf(MSG_DEBUG
, "Already associated with the "
2847 "selected network - do nothing");
2852 wpa_s
->current_ssid
= ssid
;
2853 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
2854 wpa_s
->connect_without_scan
=
2855 (ssid
->mode
== WPAS_MODE_MESH
) ? ssid
: NULL
;
2858 * Don't optimize next scan freqs since a new ESS has been
2861 os_free(wpa_s
->next_scan_freqs
);
2862 wpa_s
->next_scan_freqs
= NULL
;
2864 wpa_s
->connect_without_scan
= NULL
;
2867 wpa_s
->disconnected
= 0;
2868 wpa_s
->reassociate
= 1;
2870 if (wpa_s
->connect_without_scan
||
2871 wpa_supplicant_fast_associate(wpa_s
) != 1) {
2872 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
2873 wpa_supplicant_req_scan(wpa_s
, 0, disconnected
? 100000 : 0);
2877 wpas_notify_network_selected(wpa_s
, ssid
);
2882 * wpas_set_pkcs11_engine_and_module_path - Set PKCS #11 engine and module path
2883 * @wpa_s: wpa_supplicant structure for a network interface
2884 * @pkcs11_engine_path: PKCS #11 engine path or NULL
2885 * @pkcs11_module_path: PKCS #11 module path or NULL
2886 * Returns: 0 on success; -1 on failure
2888 * Sets the PKCS #11 engine and module path. Both have to be NULL or a valid
2889 * path. If resetting the EAPOL state machine with the new PKCS #11 engine and
2890 * module path fails the paths will be reset to the default value (NULL).
2892 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant
*wpa_s
,
2893 const char *pkcs11_engine_path
,
2894 const char *pkcs11_module_path
)
2896 char *pkcs11_engine_path_copy
= NULL
;
2897 char *pkcs11_module_path_copy
= NULL
;
2899 if (pkcs11_engine_path
!= NULL
) {
2900 pkcs11_engine_path_copy
= os_strdup(pkcs11_engine_path
);
2901 if (pkcs11_engine_path_copy
== NULL
)
2904 if (pkcs11_module_path
!= NULL
) {
2905 pkcs11_module_path_copy
= os_strdup(pkcs11_module_path
);
2906 if (pkcs11_module_path_copy
== NULL
) {
2907 os_free(pkcs11_engine_path_copy
);
2912 os_free(wpa_s
->conf
->pkcs11_engine_path
);
2913 os_free(wpa_s
->conf
->pkcs11_module_path
);
2914 wpa_s
->conf
->pkcs11_engine_path
= pkcs11_engine_path_copy
;
2915 wpa_s
->conf
->pkcs11_module_path
= pkcs11_module_path_copy
;
2917 wpa_sm_set_eapol(wpa_s
->wpa
, NULL
);
2918 eapol_sm_deinit(wpa_s
->eapol
);
2919 wpa_s
->eapol
= NULL
;
2920 if (wpa_supplicant_init_eapol(wpa_s
)) {
2921 /* Error -> Reset paths to the default value (NULL) once. */
2922 if (pkcs11_engine_path
!= NULL
&& pkcs11_module_path
!= NULL
)
2923 wpas_set_pkcs11_engine_and_module_path(wpa_s
, NULL
,
2928 wpa_sm_set_eapol(wpa_s
->wpa
, wpa_s
->eapol
);
2935 * wpa_supplicant_set_ap_scan - Set AP scan mode for interface
2936 * @wpa_s: wpa_supplicant structure for a network interface
2937 * @ap_scan: AP scan mode
2938 * Returns: 0 if succeed or -1 if ap_scan has an invalid value
2941 int wpa_supplicant_set_ap_scan(struct wpa_supplicant
*wpa_s
, int ap_scan
)
2946 if (ap_scan
< 0 || ap_scan
> 2)
2949 if (ap_scan
== 2 && os_strcmp(wpa_s
->driver
->name
, "nl80211") == 0) {
2950 wpa_printf(MSG_INFO
,
2951 "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
2955 if (ap_scan
== 2 && ap_scan
!= wpa_s
->conf
->ap_scan
&&
2956 wpa_s
->wpa_state
>= WPA_ASSOCIATING
&&
2957 wpa_s
->wpa_state
< WPA_COMPLETED
) {
2958 wpa_printf(MSG_ERROR
, "ap_scan = %d (%d) rejected while "
2959 "associating", wpa_s
->conf
->ap_scan
, ap_scan
);
2962 #endif /* ANDROID */
2964 old_ap_scan
= wpa_s
->conf
->ap_scan
;
2965 wpa_s
->conf
->ap_scan
= ap_scan
;
2967 if (old_ap_scan
!= wpa_s
->conf
->ap_scan
)
2968 wpas_notify_ap_scan_changed(wpa_s
);
2975 * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age
2976 * @wpa_s: wpa_supplicant structure for a network interface
2977 * @expire_age: Expiration age in seconds
2978 * Returns: 0 if succeed or -1 if expire_age has an invalid value
2981 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant
*wpa_s
,
2982 unsigned int bss_expire_age
)
2984 if (bss_expire_age
< 10) {
2985 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid bss expiration age %u",
2989 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting bss expiration age: %d sec",
2991 wpa_s
->conf
->bss_expiration_age
= bss_expire_age
;
2998 * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count
2999 * @wpa_s: wpa_supplicant structure for a network interface
3000 * @expire_count: number of scans after which an unseen BSS is reclaimed
3001 * Returns: 0 if succeed or -1 if expire_count has an invalid value
3004 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant
*wpa_s
,
3005 unsigned int bss_expire_count
)
3007 if (bss_expire_count
< 1) {
3008 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid bss expiration count %u",
3012 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting bss expiration scan count: %u",
3014 wpa_s
->conf
->bss_expiration_scan_count
= bss_expire_count
;
3021 * wpa_supplicant_set_scan_interval - Set scan interval
3022 * @wpa_s: wpa_supplicant structure for a network interface
3023 * @scan_interval: scan interval in seconds
3024 * Returns: 0 if succeed or -1 if scan_interval has an invalid value
3027 int wpa_supplicant_set_scan_interval(struct wpa_supplicant
*wpa_s
,
3030 if (scan_interval
< 0) {
3031 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid scan interval %d",
3035 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting scan interval: %d sec",
3037 wpa_supplicant_update_scan_int(wpa_s
, scan_interval
);
3044 * wpa_supplicant_set_debug_params - Set global debug params
3045 * @global: wpa_global structure
3046 * @debug_level: debug level
3047 * @debug_timestamp: determines if show timestamp in debug data
3048 * @debug_show_keys: determines if show keys in debug data
3049 * Returns: 0 if succeed or -1 if debug_level has wrong value
3051 int wpa_supplicant_set_debug_params(struct wpa_global
*global
, int debug_level
,
3052 int debug_timestamp
, int debug_show_keys
)
3055 int old_level
, old_timestamp
, old_show_keys
;
3057 /* check for allowed debuglevels */
3058 if (debug_level
!= MSG_EXCESSIVE
&&
3059 debug_level
!= MSG_MSGDUMP
&&
3060 debug_level
!= MSG_DEBUG
&&
3061 debug_level
!= MSG_INFO
&&
3062 debug_level
!= MSG_WARNING
&&
3063 debug_level
!= MSG_ERROR
)
3066 old_level
= wpa_debug_level
;
3067 old_timestamp
= wpa_debug_timestamp
;
3068 old_show_keys
= wpa_debug_show_keys
;
3070 wpa_debug_level
= debug_level
;
3071 wpa_debug_timestamp
= debug_timestamp
? 1 : 0;
3072 wpa_debug_show_keys
= debug_show_keys
? 1 : 0;
3074 if (wpa_debug_level
!= old_level
)
3075 wpas_notify_debug_level_changed(global
);
3076 if (wpa_debug_timestamp
!= old_timestamp
)
3077 wpas_notify_debug_timestamp_changed(global
);
3078 if (wpa_debug_show_keys
!= old_show_keys
)
3079 wpas_notify_debug_show_keys_changed(global
);
3086 * wpa_supplicant_get_ssid - Get a pointer to the current network structure
3087 * @wpa_s: Pointer to wpa_supplicant data
3088 * Returns: A pointer to the current network structure or %NULL on failure
3090 struct wpa_ssid
* wpa_supplicant_get_ssid(struct wpa_supplicant
*wpa_s
)
3092 struct wpa_ssid
*entry
;
3093 u8 ssid
[SSID_MAX_LEN
];
3099 res
= wpa_drv_get_ssid(wpa_s
, ssid
);
3101 wpa_msg(wpa_s
, MSG_WARNING
, "Could not read SSID from "
3107 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0) {
3108 wpa_msg(wpa_s
, MSG_WARNING
, "Could not read BSSID from "
3113 wired
= wpa_s
->conf
->ap_scan
== 0 &&
3114 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
);
3116 entry
= wpa_s
->conf
->ssid
;
3118 if (!wpas_network_disabled(wpa_s
, entry
) &&
3119 ((ssid_len
== entry
->ssid_len
&&
3120 os_memcmp(ssid
, entry
->ssid
, ssid_len
) == 0) || wired
) &&
3121 (!entry
->bssid_set
||
3122 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0))
3125 if (!wpas_network_disabled(wpa_s
, entry
) &&
3126 (entry
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
3127 (entry
->ssid
== NULL
|| entry
->ssid_len
== 0) &&
3128 (!entry
->bssid_set
||
3129 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0))
3131 #endif /* CONFIG_WPS */
3133 if (!wpas_network_disabled(wpa_s
, entry
) && entry
->bssid_set
&&
3134 entry
->ssid_len
== 0 &&
3135 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0)
3138 entry
= entry
->next
;
3145 static int select_driver(struct wpa_supplicant
*wpa_s
, int i
)
3147 struct wpa_global
*global
= wpa_s
->global
;
3149 if (wpa_drivers
[i
]->global_init
&& global
->drv_priv
[i
] == NULL
) {
3150 global
->drv_priv
[i
] = wpa_drivers
[i
]->global_init(global
);
3151 if (global
->drv_priv
[i
] == NULL
) {
3152 wpa_printf(MSG_ERROR
, "Failed to initialize driver "
3153 "'%s'", wpa_drivers
[i
]->name
);
3158 wpa_s
->driver
= wpa_drivers
[i
];
3159 wpa_s
->global_drv_priv
= global
->drv_priv
[i
];
3165 static int wpa_supplicant_set_driver(struct wpa_supplicant
*wpa_s
,
3170 const char *pos
, *driver
= name
;
3175 if (wpa_drivers
[0] == NULL
) {
3176 wpa_msg(wpa_s
, MSG_ERROR
, "No driver interfaces build into "
3182 /* default to first driver in the list */
3183 return select_driver(wpa_s
, 0);
3187 pos
= os_strchr(driver
, ',');
3191 len
= os_strlen(driver
);
3193 for (i
= 0; wpa_drivers
[i
]; i
++) {
3194 if (os_strlen(wpa_drivers
[i
]->name
) == len
&&
3195 os_strncmp(driver
, wpa_drivers
[i
]->name
, len
) ==
3197 /* First driver that succeeds wins */
3198 if (select_driver(wpa_s
, i
) == 0)
3206 wpa_msg(wpa_s
, MSG_ERROR
, "Unsupported driver '%s'", name
);
3212 * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
3213 * @ctx: Context pointer (wpa_s); this is the ctx variable registered
3214 * with struct wpa_driver_ops::init()
3215 * @src_addr: Source address of the EAPOL frame
3216 * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
3217 * @len: Length of the EAPOL data
3219 * This function is called for each received EAPOL frame. Most driver
3220 * interfaces rely on more generic OS mechanism for receiving frames through
3221 * l2_packet, but if such a mechanism is not available, the driver wrapper may
3222 * take care of received EAPOL frames and deliver them to the core supplicant
3223 * code by calling this function.
3225 void wpa_supplicant_rx_eapol(void *ctx
, const u8
*src_addr
,
3226 const u8
*buf
, size_t len
)
3228 struct wpa_supplicant
*wpa_s
= ctx
;
3230 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
, MAC2STR(src_addr
));
3231 wpa_hexdump(MSG_MSGDUMP
, "RX EAPOL", buf
, len
);
3233 #ifdef CONFIG_PEERKEY
3234 if (wpa_s
->wpa_state
> WPA_ASSOCIATED
&& wpa_s
->current_ssid
&&
3235 wpa_s
->current_ssid
->peerkey
&&
3236 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
3237 wpa_sm_rx_eapol_peerkey(wpa_s
->wpa
, src_addr
, buf
, len
) == 1) {
3238 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: Processed PeerKey EAPOL-Key");
3241 #endif /* CONFIG_PEERKEY */
3243 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
||
3244 (wpa_s
->last_eapol_matches_bssid
&&
3247 #endif /* CONFIG_AP */
3248 os_memcmp(src_addr
, wpa_s
->bssid
, ETH_ALEN
) != 0)) {
3250 * There is possible race condition between receiving the
3251 * association event and the EAPOL frame since they are coming
3252 * through different paths from the driver. In order to avoid
3253 * issues in trying to process the EAPOL frame before receiving
3254 * association information, lets queue it for processing until
3255 * the association event is received. This may also be needed in
3256 * driver-based roaming case, so also use src_addr != BSSID as a
3257 * trigger if we have previously confirmed that the
3258 * Authenticator uses BSSID as the src_addr (which is not the
3259 * case with wired IEEE 802.1X).
3261 wpa_dbg(wpa_s
, MSG_DEBUG
, "Not associated - Delay processing "
3262 "of received EAPOL frame (state=%s bssid=" MACSTR
")",
3263 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
3264 MAC2STR(wpa_s
->bssid
));
3265 wpabuf_free(wpa_s
->pending_eapol_rx
);
3266 wpa_s
->pending_eapol_rx
= wpabuf_alloc_copy(buf
, len
);
3267 if (wpa_s
->pending_eapol_rx
) {
3268 os_get_reltime(&wpa_s
->pending_eapol_rx_time
);
3269 os_memcpy(wpa_s
->pending_eapol_rx_src
, src_addr
,
3275 wpa_s
->last_eapol_matches_bssid
=
3276 os_memcmp(src_addr
, wpa_s
->bssid
, ETH_ALEN
) == 0;
3279 if (wpa_s
->ap_iface
) {
3280 wpa_supplicant_ap_rx_eapol(wpa_s
, src_addr
, buf
, len
);
3283 #endif /* CONFIG_AP */
3285 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
) {
3286 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignored received EAPOL frame since "
3287 "no key management is configured");
3291 if (wpa_s
->eapol_received
== 0 &&
3292 (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) ||
3293 !wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) ||
3294 wpa_s
->wpa_state
!= WPA_COMPLETED
) &&
3295 (wpa_s
->current_ssid
== NULL
||
3296 wpa_s
->current_ssid
->mode
!= IEEE80211_MODE_IBSS
)) {
3297 /* Timeout for completing IEEE 802.1X and WPA authentication */
3300 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) ||
3301 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
||
3302 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
3303 /* Use longer timeout for IEEE 802.1X/EAP */
3308 if (wpa_s
->current_ssid
&& wpa_s
->current_bss
&&
3309 (wpa_s
->current_ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
3310 eap_is_wps_pin_enrollee(&wpa_s
->current_ssid
->eap
)) {
3312 * Use shorter timeout if going through WPS AP iteration
3313 * for PIN config method with an AP that does not
3314 * advertise Selected Registrar.
3316 struct wpabuf
*wps_ie
;
3318 wps_ie
= wpa_bss_get_vendor_ie_multi(
3319 wpa_s
->current_bss
, WPS_IE_VENDOR_TYPE
);
3321 !wps_is_addr_authorized(wps_ie
, wpa_s
->own_addr
, 1))
3323 wpabuf_free(wps_ie
);
3325 #endif /* CONFIG_WPS */
3327 wpa_supplicant_req_auth_timeout(wpa_s
, timeout
, 0);
3329 wpa_s
->eapol_received
++;
3331 if (wpa_s
->countermeasures
) {
3332 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Countermeasures - dropped "
3337 #ifdef CONFIG_IBSS_RSN
3338 if (wpa_s
->current_ssid
&&
3339 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
) {
3340 ibss_rsn_rx_eapol(wpa_s
->ibss_rsn
, src_addr
, buf
, len
);
3343 #endif /* CONFIG_IBSS_RSN */
3345 /* Source address of the incoming EAPOL frame could be compared to the
3346 * current BSSID. However, it is possible that a centralized
3347 * Authenticator could be using another MAC address than the BSSID of
3348 * an AP, so just allow any address to be used for now. The replies are
3349 * still sent to the current BSSID (if available), though. */
3351 os_memcpy(wpa_s
->last_eapol_src
, src_addr
, ETH_ALEN
);
3352 if (!wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) &&
3353 eapol_sm_rx_eapol(wpa_s
->eapol
, src_addr
, buf
, len
) > 0)
3355 wpa_drv_poll(wpa_s
);
3356 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
))
3357 wpa_sm_rx_eapol(wpa_s
->wpa
, src_addr
, buf
, len
);
3358 else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
3360 * Set portValid = TRUE here since we are going to skip 4-way
3361 * handshake processing which would normally set portValid. We
3362 * need this to allow the EAPOL state machines to be completed
3363 * without going through EAPOL-Key handshake.
3365 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
3370 int wpa_supplicant_update_mac_addr(struct wpa_supplicant
*wpa_s
)
3372 if ((!wpa_s
->p2p_mgmt
||
3373 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)) &&
3374 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)) {
3375 l2_packet_deinit(wpa_s
->l2
);
3376 wpa_s
->l2
= l2_packet_init(wpa_s
->ifname
,
3377 wpa_drv_get_mac_addr(wpa_s
),
3379 wpa_supplicant_rx_eapol
, wpa_s
, 0);
3380 if (wpa_s
->l2
== NULL
)
3383 const u8
*addr
= wpa_drv_get_mac_addr(wpa_s
);
3385 os_memcpy(wpa_s
->own_addr
, addr
, ETH_ALEN
);
3388 if (wpa_s
->l2
&& l2_packet_get_own_addr(wpa_s
->l2
, wpa_s
->own_addr
)) {
3389 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to get own L2 address");
3393 wpa_sm_set_own_addr(wpa_s
->wpa
, wpa_s
->own_addr
);
3399 static void wpa_supplicant_rx_eapol_bridge(void *ctx
, const u8
*src_addr
,
3400 const u8
*buf
, size_t len
)
3402 struct wpa_supplicant
*wpa_s
= ctx
;
3403 const struct l2_ethhdr
*eth
;
3405 if (len
< sizeof(*eth
))
3407 eth
= (const struct l2_ethhdr
*) buf
;
3409 if (os_memcmp(eth
->h_dest
, wpa_s
->own_addr
, ETH_ALEN
) != 0 &&
3410 !(eth
->h_dest
[0] & 0x01)) {
3411 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
" to " MACSTR
3412 " (bridge - not for this interface - ignore)",
3413 MAC2STR(src_addr
), MAC2STR(eth
->h_dest
));
3417 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
" to " MACSTR
3418 " (bridge)", MAC2STR(src_addr
), MAC2STR(eth
->h_dest
));
3419 wpa_supplicant_rx_eapol(wpa_s
, src_addr
, buf
+ sizeof(*eth
),
3420 len
- sizeof(*eth
));
3425 * wpa_supplicant_driver_init - Initialize driver interface parameters
3426 * @wpa_s: Pointer to wpa_supplicant data
3427 * Returns: 0 on success, -1 on failure
3429 * This function is called to initialize driver interface parameters.
3430 * wpa_drv_init() must have been called before this function to initialize the
3433 int wpa_supplicant_driver_init(struct wpa_supplicant
*wpa_s
)
3435 static int interface_count
= 0;
3437 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0)
3440 wpa_dbg(wpa_s
, MSG_DEBUG
, "Own MAC address: " MACSTR
,
3441 MAC2STR(wpa_s
->own_addr
));
3442 os_memcpy(wpa_s
->perm_addr
, wpa_s
->own_addr
, ETH_ALEN
);
3443 wpa_sm_set_own_addr(wpa_s
->wpa
, wpa_s
->own_addr
);
3445 if (wpa_s
->bridge_ifname
[0]) {
3446 wpa_dbg(wpa_s
, MSG_DEBUG
, "Receiving packets from bridge "
3447 "interface '%s'", wpa_s
->bridge_ifname
);
3448 wpa_s
->l2_br
= l2_packet_init_bridge(
3449 wpa_s
->bridge_ifname
, wpa_s
->ifname
, wpa_s
->own_addr
,
3450 ETH_P_EAPOL
, wpa_supplicant_rx_eapol_bridge
, wpa_s
, 1);
3451 if (wpa_s
->l2_br
== NULL
) {
3452 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to open l2_packet "
3453 "connection for the bridge interface '%s'",
3454 wpa_s
->bridge_ifname
);
3459 if (wpa_s
->conf
->ap_scan
== 2 &&
3460 os_strcmp(wpa_s
->driver
->name
, "nl80211") == 0) {
3461 wpa_printf(MSG_INFO
,
3462 "Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures");
3465 wpa_clear_keys(wpa_s
, NULL
);
3467 /* Make sure that TKIP countermeasures are not left enabled (could
3468 * happen if wpa_supplicant is killed during countermeasures. */
3469 wpa_drv_set_countermeasures(wpa_s
, 0);
3471 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: flushing PMKID list in the driver");
3472 wpa_drv_flush_pmkid(wpa_s
);
3474 wpa_s
->prev_scan_ssid
= WILDCARD_SSID_SCAN
;
3475 wpa_s
->prev_scan_wildcard
= 0;
3477 if (wpa_supplicant_enabled_networks(wpa_s
)) {
3478 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
3479 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
3480 interface_count
= 0;
3483 if (!wpa_s
->p2p_mgmt
&&
3484 wpa_supplicant_delayed_sched_scan(wpa_s
,
3485 interface_count
% 3,
3487 wpa_supplicant_req_scan(wpa_s
, interface_count
% 3,
3489 #endif /* ANDROID */
3492 wpa_supplicant_set_state(wpa_s
, WPA_INACTIVE
);
3498 static int wpa_supplicant_daemon(const char *pid_file
)
3500 wpa_printf(MSG_DEBUG
, "Daemonize..");
3501 return os_daemonize(pid_file
);
3505 static struct wpa_supplicant
*
3506 wpa_supplicant_alloc(struct wpa_supplicant
*parent
)
3508 struct wpa_supplicant
*wpa_s
;
3510 wpa_s
= os_zalloc(sizeof(*wpa_s
));
3513 wpa_s
->scan_req
= INITIAL_SCAN_REQ
;
3514 wpa_s
->scan_interval
= 5;
3515 wpa_s
->new_connection
= 1;
3516 wpa_s
->parent
= parent
? parent
: wpa_s
;
3517 wpa_s
->p2pdev
= wpa_s
->parent
;
3518 wpa_s
->sched_scanning
= 0;
3520 dl_list_init(&wpa_s
->bss_tmp_disallowed
);
3526 #ifdef CONFIG_HT_OVERRIDES
3528 static int wpa_set_htcap_mcs(struct wpa_supplicant
*wpa_s
,
3529 struct ieee80211_ht_capabilities
*htcaps
,
3530 struct ieee80211_ht_capabilities
*htcaps_mask
,
3533 /* parse ht_mcs into hex array */
3535 const char *tmp
= ht_mcs
;
3538 /* If ht_mcs is null, do not set anything */
3542 /* This is what we are setting in the kernel */
3543 os_memset(&htcaps
->supported_mcs_set
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3545 wpa_msg(wpa_s
, MSG_DEBUG
, "set_htcap, ht_mcs -:%s:-", ht_mcs
);
3547 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3549 long v
= strtol(tmp
, &end
, 16);
3551 wpa_msg(wpa_s
, MSG_DEBUG
,
3552 "htcap value[%i]: %ld end: %p tmp: %p",
3557 htcaps
->supported_mcs_set
[i
] = v
;
3560 wpa_msg(wpa_s
, MSG_ERROR
,
3561 "Failed to parse ht-mcs: %s, error: %s\n",
3562 ht_mcs
, strerror(errno
));
3568 * If we were able to parse any values, then set mask for the MCS set.
3571 os_memset(&htcaps_mask
->supported_mcs_set
, 0xff,
3572 IEEE80211_HT_MCS_MASK_LEN
- 1);
3573 /* skip the 3 reserved bits */
3574 htcaps_mask
->supported_mcs_set
[IEEE80211_HT_MCS_MASK_LEN
- 1] =
3582 static int wpa_disable_max_amsdu(struct wpa_supplicant
*wpa_s
,
3583 struct ieee80211_ht_capabilities
*htcaps
,
3584 struct ieee80211_ht_capabilities
*htcaps_mask
,
3589 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_max_amsdu: %d", disabled
);
3594 msk
= host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE
);
3595 htcaps_mask
->ht_capabilities_info
|= msk
;
3597 htcaps
->ht_capabilities_info
&= msk
;
3599 htcaps
->ht_capabilities_info
|= msk
;
3605 static int wpa_set_ampdu_factor(struct wpa_supplicant
*wpa_s
,
3606 struct ieee80211_ht_capabilities
*htcaps
,
3607 struct ieee80211_ht_capabilities
*htcaps_mask
,
3610 wpa_msg(wpa_s
, MSG_DEBUG
, "set_ampdu_factor: %d", factor
);
3615 if (factor
< 0 || factor
> 3) {
3616 wpa_msg(wpa_s
, MSG_ERROR
, "ampdu_factor: %d out of range. "
3617 "Must be 0-3 or -1", factor
);
3621 htcaps_mask
->a_mpdu_params
|= 0x3; /* 2 bits for factor */
3622 htcaps
->a_mpdu_params
&= ~0x3;
3623 htcaps
->a_mpdu_params
|= factor
& 0x3;
3629 static int wpa_set_ampdu_density(struct wpa_supplicant
*wpa_s
,
3630 struct ieee80211_ht_capabilities
*htcaps
,
3631 struct ieee80211_ht_capabilities
*htcaps_mask
,
3634 wpa_msg(wpa_s
, MSG_DEBUG
, "set_ampdu_density: %d", density
);
3639 if (density
< 0 || density
> 7) {
3640 wpa_msg(wpa_s
, MSG_ERROR
,
3641 "ampdu_density: %d out of range. Must be 0-7 or -1.",
3646 htcaps_mask
->a_mpdu_params
|= 0x1C;
3647 htcaps
->a_mpdu_params
&= ~(0x1C);
3648 htcaps
->a_mpdu_params
|= (density
<< 2) & 0x1C;
3654 static int wpa_set_disable_ht40(struct wpa_supplicant
*wpa_s
,
3655 struct ieee80211_ht_capabilities
*htcaps
,
3656 struct ieee80211_ht_capabilities
*htcaps_mask
,
3659 /* Masking these out disables HT40 */
3660 le16 msk
= host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET
|
3661 HT_CAP_INFO_SHORT_GI40MHZ
);
3663 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_ht40: %d", disabled
);
3666 htcaps
->ht_capabilities_info
&= ~msk
;
3668 htcaps
->ht_capabilities_info
|= msk
;
3670 htcaps_mask
->ht_capabilities_info
|= msk
;
3676 static int wpa_set_disable_sgi(struct wpa_supplicant
*wpa_s
,
3677 struct ieee80211_ht_capabilities
*htcaps
,
3678 struct ieee80211_ht_capabilities
*htcaps_mask
,
3681 /* Masking these out disables SGI */
3682 le16 msk
= host_to_le16(HT_CAP_INFO_SHORT_GI20MHZ
|
3683 HT_CAP_INFO_SHORT_GI40MHZ
);
3685 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_sgi: %d", disabled
);
3688 htcaps
->ht_capabilities_info
&= ~msk
;
3690 htcaps
->ht_capabilities_info
|= msk
;
3692 htcaps_mask
->ht_capabilities_info
|= msk
;
3698 static int wpa_set_disable_ldpc(struct wpa_supplicant
*wpa_s
,
3699 struct ieee80211_ht_capabilities
*htcaps
,
3700 struct ieee80211_ht_capabilities
*htcaps_mask
,
3703 /* Masking these out disables LDPC */
3704 le16 msk
= host_to_le16(HT_CAP_INFO_LDPC_CODING_CAP
);
3706 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_ldpc: %d", disabled
);
3709 htcaps
->ht_capabilities_info
&= ~msk
;
3711 htcaps
->ht_capabilities_info
|= msk
;
3713 htcaps_mask
->ht_capabilities_info
|= msk
;
3719 void wpa_supplicant_apply_ht_overrides(
3720 struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
3721 struct wpa_driver_associate_params
*params
)
3723 struct ieee80211_ht_capabilities
*htcaps
;
3724 struct ieee80211_ht_capabilities
*htcaps_mask
;
3729 params
->disable_ht
= ssid
->disable_ht
;
3730 if (!params
->htcaps
|| !params
->htcaps_mask
)
3733 htcaps
= (struct ieee80211_ht_capabilities
*) params
->htcaps
;
3734 htcaps_mask
= (struct ieee80211_ht_capabilities
*) params
->htcaps_mask
;
3735 wpa_set_htcap_mcs(wpa_s
, htcaps
, htcaps_mask
, ssid
->ht_mcs
);
3736 wpa_disable_max_amsdu(wpa_s
, htcaps
, htcaps_mask
,
3737 ssid
->disable_max_amsdu
);
3738 wpa_set_ampdu_factor(wpa_s
, htcaps
, htcaps_mask
, ssid
->ampdu_factor
);
3739 wpa_set_ampdu_density(wpa_s
, htcaps
, htcaps_mask
, ssid
->ampdu_density
);
3740 wpa_set_disable_ht40(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_ht40
);
3741 wpa_set_disable_sgi(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_sgi
);
3742 wpa_set_disable_ldpc(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_ldpc
);
3744 if (ssid
->ht40_intolerant
) {
3745 le16 bit
= host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT
);
3746 htcaps
->ht_capabilities_info
|= bit
;
3747 htcaps_mask
->ht_capabilities_info
|= bit
;
3751 #endif /* CONFIG_HT_OVERRIDES */
3754 #ifdef CONFIG_VHT_OVERRIDES
3755 void wpa_supplicant_apply_vht_overrides(
3756 struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
3757 struct wpa_driver_associate_params
*params
)
3759 struct ieee80211_vht_capabilities
*vhtcaps
;
3760 struct ieee80211_vht_capabilities
*vhtcaps_mask
;
3765 params
->disable_vht
= ssid
->disable_vht
;
3767 vhtcaps
= (void *) params
->vhtcaps
;
3768 vhtcaps_mask
= (void *) params
->vhtcaps_mask
;
3770 if (!vhtcaps
|| !vhtcaps_mask
)
3773 vhtcaps
->vht_capabilities_info
= ssid
->vht_capa
;
3774 vhtcaps_mask
->vht_capabilities_info
= ssid
->vht_capa_mask
;
3776 #ifdef CONFIG_HT_OVERRIDES
3777 /* if max ampdu is <= 3, we have to make the HT cap the same */
3778 if (ssid
->vht_capa_mask
& VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX
) {
3781 max_ampdu
= (ssid
->vht_capa
&
3782 VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX
) >>
3783 VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX_SHIFT
;
3785 max_ampdu
= max_ampdu
< 3 ? max_ampdu
: 3;
3786 wpa_set_ampdu_factor(wpa_s
,
3787 (void *) params
->htcaps
,
3788 (void *) params
->htcaps_mask
,
3791 #endif /* CONFIG_HT_OVERRIDES */
3793 #define OVERRIDE_MCS(i) \
3794 if (ssid->vht_tx_mcs_nss_ ##i >= 0) { \
3795 vhtcaps_mask->vht_supported_mcs_set.tx_map |= \
3797 vhtcaps->vht_supported_mcs_set.tx_map |= \
3798 ssid->vht_tx_mcs_nss_ ##i << 2 * (i - 1); \
3800 if (ssid->vht_rx_mcs_nss_ ##i >= 0) { \
3801 vhtcaps_mask->vht_supported_mcs_set.rx_map |= \
3803 vhtcaps->vht_supported_mcs_set.rx_map |= \
3804 ssid->vht_rx_mcs_nss_ ##i << 2 * (i - 1); \
3816 #endif /* CONFIG_VHT_OVERRIDES */
3819 static int pcsc_reader_init(struct wpa_supplicant
*wpa_s
)
3824 if (!wpa_s
->conf
->pcsc_reader
)
3827 wpa_s
->scard
= scard_init(wpa_s
->conf
->pcsc_reader
);
3831 if (wpa_s
->conf
->pcsc_pin
&&
3832 scard_set_pin(wpa_s
->scard
, wpa_s
->conf
->pcsc_pin
) < 0) {
3833 scard_deinit(wpa_s
->scard
);
3834 wpa_s
->scard
= NULL
;
3835 wpa_msg(wpa_s
, MSG_ERROR
, "PC/SC PIN validation failed");
3839 len
= sizeof(wpa_s
->imsi
) - 1;
3840 if (scard_get_imsi(wpa_s
->scard
, wpa_s
->imsi
, &len
)) {
3841 scard_deinit(wpa_s
->scard
);
3842 wpa_s
->scard
= NULL
;
3843 wpa_msg(wpa_s
, MSG_ERROR
, "Could not read IMSI");
3846 wpa_s
->imsi
[len
] = '\0';
3848 wpa_s
->mnc_len
= scard_get_mnc_len(wpa_s
->scard
);
3850 wpa_printf(MSG_DEBUG
, "SCARD: IMSI %s (MNC length %d)",
3851 wpa_s
->imsi
, wpa_s
->mnc_len
);
3853 wpa_sm_set_scard_ctx(wpa_s
->wpa
, wpa_s
->scard
);
3854 eapol_sm_register_scard_ctx(wpa_s
->eapol
, wpa_s
->scard
);
3855 #endif /* PCSC_FUNCS */
3861 int wpas_init_ext_pw(struct wpa_supplicant
*wpa_s
)
3865 ext_password_deinit(wpa_s
->ext_pw
);
3866 wpa_s
->ext_pw
= NULL
;
3867 eapol_sm_set_ext_pw_ctx(wpa_s
->eapol
, NULL
);
3869 if (!wpa_s
->conf
->ext_password_backend
)
3872 val
= os_strdup(wpa_s
->conf
->ext_password_backend
);
3875 pos
= os_strchr(val
, ':');
3879 wpa_printf(MSG_DEBUG
, "EXT PW: Initialize backend '%s'", val
);
3881 wpa_s
->ext_pw
= ext_password_init(val
, pos
);
3883 if (wpa_s
->ext_pw
== NULL
) {
3884 wpa_printf(MSG_DEBUG
, "EXT PW: Failed to initialize backend");
3887 eapol_sm_set_ext_pw_ctx(wpa_s
->eapol
, wpa_s
->ext_pw
);
3895 static const u8
* wpas_fst_get_bssid_cb(void *ctx
)
3897 struct wpa_supplicant
*wpa_s
= ctx
;
3899 return (is_zero_ether_addr(wpa_s
->bssid
) ||
3900 wpa_s
->wpa_state
!= WPA_COMPLETED
) ? NULL
: wpa_s
->bssid
;
3904 static void wpas_fst_get_channel_info_cb(void *ctx
,
3905 enum hostapd_hw_mode
*hw_mode
,
3908 struct wpa_supplicant
*wpa_s
= ctx
;
3910 if (wpa_s
->current_bss
) {
3911 *hw_mode
= ieee80211_freq_to_chan(wpa_s
->current_bss
->freq
,
3913 } else if (wpa_s
->hw
.num_modes
) {
3914 *hw_mode
= wpa_s
->hw
.modes
[0].mode
;
3922 static int wpas_fst_get_hw_modes(void *ctx
, struct hostapd_hw_modes
**modes
)
3924 struct wpa_supplicant
*wpa_s
= ctx
;
3926 *modes
= wpa_s
->hw
.modes
;
3927 return wpa_s
->hw
.num_modes
;
3931 static void wpas_fst_set_ies_cb(void *ctx
, const struct wpabuf
*fst_ies
)
3933 struct wpa_supplicant
*wpa_s
= ctx
;
3935 wpa_hexdump_buf(MSG_DEBUG
, "FST: Set IEs", fst_ies
);
3936 wpa_s
->fst_ies
= fst_ies
;
3940 static int wpas_fst_send_action_cb(void *ctx
, const u8
*da
, struct wpabuf
*data
)
3942 struct wpa_supplicant
*wpa_s
= ctx
;
3944 WPA_ASSERT(os_memcmp(wpa_s
->bssid
, da
, ETH_ALEN
) == 0);
3945 return wpa_drv_send_action(wpa_s
, wpa_s
->assoc_freq
, 0, wpa_s
->bssid
,
3946 wpa_s
->own_addr
, wpa_s
->bssid
,
3947 wpabuf_head(data
), wpabuf_len(data
),
3952 static const struct wpabuf
* wpas_fst_get_mb_ie_cb(void *ctx
, const u8
*addr
)
3954 struct wpa_supplicant
*wpa_s
= ctx
;
3956 WPA_ASSERT(os_memcmp(wpa_s
->bssid
, addr
, ETH_ALEN
) == 0);
3957 return wpa_s
->received_mb_ies
;
3961 static void wpas_fst_update_mb_ie_cb(void *ctx
, const u8
*addr
,
3962 const u8
*buf
, size_t size
)
3964 struct wpa_supplicant
*wpa_s
= ctx
;
3965 struct mb_ies_info info
;
3967 WPA_ASSERT(os_memcmp(wpa_s
->bssid
, addr
, ETH_ALEN
) == 0);
3969 if (!mb_ies_info_by_ies(&info
, buf
, size
)) {
3970 wpabuf_free(wpa_s
->received_mb_ies
);
3971 wpa_s
->received_mb_ies
= mb_ies_by_info(&info
);
3976 const u8
* wpas_fst_get_peer_first(void *ctx
, struct fst_get_peer_ctx
**get_ctx
,
3979 struct wpa_supplicant
*wpa_s
= ctx
;
3982 if (!is_zero_ether_addr(wpa_s
->bssid
))
3983 return (wpa_s
->received_mb_ies
|| !mb_only
) ?
3984 wpa_s
->bssid
: NULL
;
3989 const u8
* wpas_fst_get_peer_next(void *ctx
, struct fst_get_peer_ctx
**get_ctx
,
3995 void fst_wpa_supplicant_fill_iface_obj(struct wpa_supplicant
*wpa_s
,
3996 struct fst_wpa_obj
*iface_obj
)
3998 iface_obj
->ctx
= wpa_s
;
3999 iface_obj
->get_bssid
= wpas_fst_get_bssid_cb
;
4000 iface_obj
->get_channel_info
= wpas_fst_get_channel_info_cb
;
4001 iface_obj
->get_hw_modes
= wpas_fst_get_hw_modes
;
4002 iface_obj
->set_ies
= wpas_fst_set_ies_cb
;
4003 iface_obj
->send_action
= wpas_fst_send_action_cb
;
4004 iface_obj
->get_mb_ie
= wpas_fst_get_mb_ie_cb
;
4005 iface_obj
->update_mb_ie
= wpas_fst_update_mb_ie_cb
;
4006 iface_obj
->get_peer_first
= wpas_fst_get_peer_first
;
4007 iface_obj
->get_peer_next
= wpas_fst_get_peer_next
;
4009 #endif /* CONFIG_FST */
4011 static int wpas_set_wowlan_triggers(struct wpa_supplicant
*wpa_s
,
4012 const struct wpa_driver_capa
*capa
)
4014 struct wowlan_triggers
*triggers
;
4017 if (!wpa_s
->conf
->wowlan_triggers
)
4020 triggers
= wpa_get_wowlan_triggers(wpa_s
->conf
->wowlan_triggers
, capa
);
4022 ret
= wpa_drv_wowlan(wpa_s
, triggers
);
4029 enum wpa_radio_work_band
wpas_freq_to_band(int freq
)
4032 return BAND_2_4_GHZ
;
4039 unsigned int wpas_get_bands(struct wpa_supplicant
*wpa_s
, const int *freqs
)
4042 unsigned int band
= 0;
4045 /* freqs are specified for the radio work */
4046 for (i
= 0; freqs
[i
]; i
++)
4047 band
|= wpas_freq_to_band(freqs
[i
]);
4050 * freqs are not specified, implies all
4051 * the supported freqs by HW
4053 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
4054 if (wpa_s
->hw
.modes
[i
].num_channels
!= 0) {
4055 if (wpa_s
->hw
.modes
[i
].mode
==
4056 HOSTAPD_MODE_IEEE80211B
||
4057 wpa_s
->hw
.modes
[i
].mode
==
4058 HOSTAPD_MODE_IEEE80211G
)
4059 band
|= BAND_2_4_GHZ
;
4060 else if (wpa_s
->hw
.modes
[i
].mode
==
4061 HOSTAPD_MODE_IEEE80211A
)
4063 else if (wpa_s
->hw
.modes
[i
].mode
==
4064 HOSTAPD_MODE_IEEE80211AD
)
4065 band
|= BAND_60_GHZ
;
4066 else if (wpa_s
->hw
.modes
[i
].mode
==
4067 HOSTAPD_MODE_IEEE80211ANY
)
4068 band
= BAND_2_4_GHZ
| BAND_5_GHZ
|
4078 static struct wpa_radio
* radio_add_interface(struct wpa_supplicant
*wpa_s
,
4081 struct wpa_supplicant
*iface
= wpa_s
->global
->ifaces
;
4082 struct wpa_radio
*radio
;
4084 while (rn
&& iface
) {
4085 radio
= iface
->radio
;
4086 if (radio
&& os_strcmp(rn
, radio
->name
) == 0) {
4087 wpa_printf(MSG_DEBUG
, "Add interface %s to existing radio %s",
4089 dl_list_add(&radio
->ifaces
, &wpa_s
->radio_list
);
4093 iface
= iface
->next
;
4096 wpa_printf(MSG_DEBUG
, "Add interface %s to a new radio %s",
4097 wpa_s
->ifname
, rn
? rn
: "N/A");
4098 radio
= os_zalloc(sizeof(*radio
));
4103 os_strlcpy(radio
->name
, rn
, sizeof(radio
->name
));
4104 dl_list_init(&radio
->ifaces
);
4105 dl_list_init(&radio
->work
);
4106 dl_list_add(&radio
->ifaces
, &wpa_s
->radio_list
);
4112 static void radio_work_free(struct wpa_radio_work
*work
)
4114 if (work
->wpa_s
->scan_work
== work
) {
4115 /* This should not really happen. */
4116 wpa_dbg(work
->wpa_s
, MSG_INFO
, "Freeing radio work '%s'@%p (started=%d) that is marked as scan_work",
4117 work
->type
, work
, work
->started
);
4118 work
->wpa_s
->scan_work
= NULL
;
4122 if (work
->wpa_s
->p2p_scan_work
== work
) {
4123 /* This should not really happen. */
4124 wpa_dbg(work
->wpa_s
, MSG_INFO
, "Freeing radio work '%s'@%p (started=%d) that is marked as p2p_scan_work",
4125 work
->type
, work
, work
->started
);
4126 work
->wpa_s
->p2p_scan_work
= NULL
;
4128 #endif /* CONFIG_P2P */
4130 if (work
->started
) {
4131 work
->wpa_s
->radio
->num_active_works
--;
4132 wpa_dbg(work
->wpa_s
, MSG_DEBUG
,
4133 "radio_work_free('%s'@%p: num_active_works --> %u",
4135 work
->wpa_s
->radio
->num_active_works
);
4138 dl_list_del(&work
->list
);
4143 static struct wpa_radio_work
* radio_work_get_next_work(struct wpa_radio
*radio
)
4145 struct wpa_radio_work
*active_work
= NULL
;
4146 struct wpa_radio_work
*tmp
;
4148 /* Get the active work to know the type and band. */
4149 dl_list_for_each(tmp
, &radio
->work
, struct wpa_radio_work
, list
) {
4157 /* No active work, start one */
4158 radio
->num_active_works
= 0;
4159 dl_list_for_each(tmp
, &radio
->work
, struct wpa_radio_work
,
4161 if (os_strcmp(tmp
->type
, "scan") == 0 &&
4162 radio
->external_scan_running
&&
4163 (((struct wpa_driver_scan_params
*)
4164 tmp
->ctx
)->only_new_results
||
4165 tmp
->wpa_s
->clear_driver_scan_cache
))
4172 if (os_strcmp(active_work
->type
, "sme-connect") == 0 ||
4173 os_strcmp(active_work
->type
, "connect") == 0) {
4175 * If the active work is either connect or sme-connect,
4176 * do not parallelize them with other radio works.
4178 wpa_dbg(active_work
->wpa_s
, MSG_DEBUG
,
4179 "Do not parallelize radio work with %s",
4184 dl_list_for_each(tmp
, &radio
->work
, struct wpa_radio_work
, list
) {
4189 * If connect or sme-connect are enqueued, parallelize only
4190 * those operations ahead of them in the queue.
4192 if (os_strcmp(tmp
->type
, "connect") == 0 ||
4193 os_strcmp(tmp
->type
, "sme-connect") == 0)
4197 * Check that the radio works are distinct and
4198 * on different bands.
4200 if (os_strcmp(active_work
->type
, tmp
->type
) != 0 &&
4201 (active_work
->bands
!= tmp
->bands
)) {
4203 * If a scan has to be scheduled through nl80211 scan
4204 * interface and if an external scan is already running,
4205 * do not schedule the scan since it is likely to get
4206 * rejected by kernel.
4208 if (os_strcmp(tmp
->type
, "scan") == 0 &&
4209 radio
->external_scan_running
&&
4210 (((struct wpa_driver_scan_params
*)
4211 tmp
->ctx
)->only_new_results
||
4212 tmp
->wpa_s
->clear_driver_scan_cache
))
4215 wpa_dbg(active_work
->wpa_s
, MSG_DEBUG
,
4216 "active_work:%s new_work:%s",
4217 active_work
->type
, tmp
->type
);
4222 /* Did not find a radio work to schedule in parallel. */
4227 static void radio_start_next_work(void *eloop_ctx
, void *timeout_ctx
)
4229 struct wpa_radio
*radio
= eloop_ctx
;
4230 struct wpa_radio_work
*work
;
4231 struct os_reltime now
, diff
;
4232 struct wpa_supplicant
*wpa_s
;
4234 work
= dl_list_first(&radio
->work
, struct wpa_radio_work
, list
);
4236 radio
->num_active_works
= 0;
4240 wpa_s
= dl_list_first(&radio
->ifaces
, struct wpa_supplicant
,
4244 wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS
)) {
4246 return; /* already started and still in progress */
4248 if (wpa_s
&& wpa_s
->radio
->external_scan_running
) {
4249 wpa_printf(MSG_DEBUG
, "Delay radio work start until externally triggered scan completes");
4254 if (radio
->num_active_works
< MAX_ACTIVE_WORKS
) {
4255 /* get the work to schedule next */
4256 work
= radio_work_get_next_work(radio
);
4262 wpa_s
= work
->wpa_s
;
4263 os_get_reltime(&now
);
4264 os_reltime_sub(&now
, &work
->time
, &diff
);
4265 wpa_dbg(wpa_s
, MSG_DEBUG
,
4266 "Starting radio work '%s'@%p after %ld.%06ld second wait",
4267 work
->type
, work
, diff
.sec
, diff
.usec
);
4270 radio
->num_active_works
++;
4274 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS
) &&
4275 radio
->num_active_works
< MAX_ACTIVE_WORKS
)
4276 radio_work_check_next(wpa_s
);
4281 * This function removes both started and pending radio works running on
4282 * the provided interface's radio.
4283 * Prior to the removal of the radio work, its callback (cb) is called with
4284 * deinit set to be 1. Each work's callback is responsible for clearing its
4285 * internal data and restoring to a correct state.
4286 * @wpa_s: wpa_supplicant data
4287 * @type: type of works to be removed
4288 * @remove_all: 1 to remove all the works on this radio, 0 to remove only
4289 * this interface's works.
4291 void radio_remove_works(struct wpa_supplicant
*wpa_s
,
4292 const char *type
, int remove_all
)
4294 struct wpa_radio_work
*work
, *tmp
;
4295 struct wpa_radio
*radio
= wpa_s
->radio
;
4297 dl_list_for_each_safe(work
, tmp
, &radio
->work
, struct wpa_radio_work
,
4299 if (type
&& os_strcmp(type
, work
->type
) != 0)
4302 /* skip other ifaces' works */
4303 if (!remove_all
&& work
->wpa_s
!= wpa_s
)
4306 wpa_dbg(wpa_s
, MSG_DEBUG
, "Remove radio work '%s'@%p%s",
4307 work
->type
, work
, work
->started
? " (started)" : "");
4309 radio_work_free(work
);
4312 /* in case we removed the started work */
4313 radio_work_check_next(wpa_s
);
4317 static void radio_remove_interface(struct wpa_supplicant
*wpa_s
)
4319 struct wpa_radio
*radio
= wpa_s
->radio
;
4324 wpa_printf(MSG_DEBUG
, "Remove interface %s from radio %s",
4325 wpa_s
->ifname
, radio
->name
);
4326 dl_list_del(&wpa_s
->radio_list
);
4327 radio_remove_works(wpa_s
, NULL
, 0);
4328 wpa_s
->radio
= NULL
;
4329 if (!dl_list_empty(&radio
->ifaces
))
4330 return; /* Interfaces remain for this radio */
4332 wpa_printf(MSG_DEBUG
, "Remove radio %s", radio
->name
);
4333 eloop_cancel_timeout(radio_start_next_work
, radio
, NULL
);
4338 void radio_work_check_next(struct wpa_supplicant
*wpa_s
)
4340 struct wpa_radio
*radio
= wpa_s
->radio
;
4342 if (dl_list_empty(&radio
->work
))
4344 if (wpa_s
->ext_work_in_progress
) {
4345 wpa_printf(MSG_DEBUG
,
4346 "External radio work in progress - delay start of pending item");
4349 eloop_cancel_timeout(radio_start_next_work
, radio
, NULL
);
4350 eloop_register_timeout(0, 0, radio_start_next_work
, radio
, NULL
);
4355 * radio_add_work - Add a radio work item
4356 * @wpa_s: Pointer to wpa_supplicant data
4357 * @freq: Frequency of the offchannel operation in MHz or 0
4358 * @type: Unique identifier for each type of work
4359 * @next: Force as the next work to be executed
4360 * @cb: Callback function for indicating when radio is available
4361 * @ctx: Context pointer for the work (work->ctx in cb())
4362 * Returns: 0 on success, -1 on failure
4364 * This function is used to request time for an operation that requires
4365 * exclusive radio control. Once the radio is available, the registered callback
4366 * function will be called. radio_work_done() must be called once the exclusive
4367 * radio operation has been completed, so that the radio is freed for other
4368 * operations. The special case of deinit=1 is used to free the context data
4369 * during interface removal. That does not allow the callback function to start
4370 * the radio operation, i.e., it must free any resources allocated for the radio
4373 * The @freq parameter can be used to indicate a single channel on which the
4374 * offchannel operation will occur. This may allow multiple radio work
4375 * operations to be performed in parallel if they apply for the same channel.
4376 * Setting this to 0 indicates that the work item may use multiple channels or
4377 * requires exclusive control of the radio.
4379 int radio_add_work(struct wpa_supplicant
*wpa_s
, unsigned int freq
,
4380 const char *type
, int next
,
4381 void (*cb
)(struct wpa_radio_work
*work
, int deinit
),
4384 struct wpa_radio
*radio
= wpa_s
->radio
;
4385 struct wpa_radio_work
*work
;
4388 work
= os_zalloc(sizeof(*work
));
4391 wpa_dbg(wpa_s
, MSG_DEBUG
, "Add radio work '%s'@%p", type
, work
);
4392 os_get_reltime(&work
->time
);
4395 work
->wpa_s
= wpa_s
;
4400 work
->bands
= wpas_freq_to_band(freq
);
4401 else if (os_strcmp(type
, "scan") == 0 ||
4402 os_strcmp(type
, "p2p-scan") == 0)
4403 work
->bands
= wpas_get_bands(wpa_s
,
4404 ((struct wpa_driver_scan_params
*)
4407 work
->bands
= wpas_get_bands(wpa_s
, NULL
);
4409 was_empty
= dl_list_empty(&wpa_s
->radio
->work
);
4411 dl_list_add(&wpa_s
->radio
->work
, &work
->list
);
4413 dl_list_add_tail(&wpa_s
->radio
->work
, &work
->list
);
4415 wpa_dbg(wpa_s
, MSG_DEBUG
, "First radio work item in the queue - schedule start immediately");
4416 radio_work_check_next(wpa_s
);
4417 } else if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS
)
4418 && radio
->num_active_works
< MAX_ACTIVE_WORKS
) {
4419 wpa_dbg(wpa_s
, MSG_DEBUG
,
4420 "Try to schedule a radio work (num_active_works=%u)",
4421 radio
->num_active_works
);
4422 radio_work_check_next(wpa_s
);
4430 * radio_work_done - Indicate that a radio work item has been completed
4431 * @work: Completed work
4433 * This function is called once the callback function registered with
4434 * radio_add_work() has completed its work.
4436 void radio_work_done(struct wpa_radio_work
*work
)
4438 struct wpa_supplicant
*wpa_s
= work
->wpa_s
;
4439 struct os_reltime now
, diff
;
4440 unsigned int started
= work
->started
;
4442 os_get_reltime(&now
);
4443 os_reltime_sub(&now
, &work
->time
, &diff
);
4444 wpa_dbg(wpa_s
, MSG_DEBUG
, "Radio work '%s'@%p %s in %ld.%06ld seconds",
4445 work
->type
, work
, started
? "done" : "canceled",
4446 diff
.sec
, diff
.usec
);
4447 radio_work_free(work
);
4449 radio_work_check_next(wpa_s
);
4453 struct wpa_radio_work
*
4454 radio_work_pending(struct wpa_supplicant
*wpa_s
, const char *type
)
4456 struct wpa_radio_work
*work
;
4457 struct wpa_radio
*radio
= wpa_s
->radio
;
4459 dl_list_for_each(work
, &radio
->work
, struct wpa_radio_work
, list
) {
4460 if (work
->wpa_s
== wpa_s
&& os_strcmp(work
->type
, type
) == 0)
4468 static int wpas_init_driver(struct wpa_supplicant
*wpa_s
,
4469 struct wpa_interface
*iface
)
4471 const char *ifname
, *driver
, *rn
;
4473 driver
= iface
->driver
;
4475 if (wpa_supplicant_set_driver(wpa_s
, driver
) < 0)
4478 wpa_s
->drv_priv
= wpa_drv_init(wpa_s
, wpa_s
->ifname
);
4479 if (wpa_s
->drv_priv
== NULL
) {
4481 pos
= driver
? os_strchr(driver
, ',') : NULL
;
4483 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize "
4484 "driver interface - try next driver wrapper");
4488 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to initialize driver "
4492 if (wpa_drv_set_param(wpa_s
, wpa_s
->conf
->driver_param
) < 0) {
4493 wpa_msg(wpa_s
, MSG_ERROR
, "Driver interface rejected "
4494 "driver_param '%s'", wpa_s
->conf
->driver_param
);
4498 ifname
= wpa_drv_get_ifname(wpa_s
);
4499 if (ifname
&& os_strcmp(ifname
, wpa_s
->ifname
) != 0) {
4500 wpa_dbg(wpa_s
, MSG_DEBUG
, "Driver interface replaced "
4501 "interface name with '%s'", ifname
);
4502 os_strlcpy(wpa_s
->ifname
, ifname
, sizeof(wpa_s
->ifname
));
4505 rn
= wpa_driver_get_radio_name(wpa_s
);
4506 if (rn
&& rn
[0] == '\0')
4509 wpa_s
->radio
= radio_add_interface(wpa_s
, rn
);
4510 if (wpa_s
->radio
== NULL
)
4517 static int wpa_supplicant_init_iface(struct wpa_supplicant
*wpa_s
,
4518 struct wpa_interface
*iface
)
4520 struct wpa_driver_capa capa
;
4523 wpa_printf(MSG_DEBUG
, "Initializing interface '%s' conf '%s' driver "
4524 "'%s' ctrl_interface '%s' bridge '%s'", iface
->ifname
,
4525 iface
->confname
? iface
->confname
: "N/A",
4526 iface
->driver
? iface
->driver
: "default",
4527 iface
->ctrl_interface
? iface
->ctrl_interface
: "N/A",
4528 iface
->bridge_ifname
? iface
->bridge_ifname
: "N/A");
4530 if (iface
->confname
) {
4531 #ifdef CONFIG_BACKEND_FILE
4532 wpa_s
->confname
= os_rel2abs_path(iface
->confname
);
4533 if (wpa_s
->confname
== NULL
) {
4534 wpa_printf(MSG_ERROR
, "Failed to get absolute path "
4535 "for configuration file '%s'.",
4539 wpa_printf(MSG_DEBUG
, "Configuration file '%s' -> '%s'",
4540 iface
->confname
, wpa_s
->confname
);
4541 #else /* CONFIG_BACKEND_FILE */
4542 wpa_s
->confname
= os_strdup(iface
->confname
);
4543 #endif /* CONFIG_BACKEND_FILE */
4544 wpa_s
->conf
= wpa_config_read(wpa_s
->confname
, NULL
);
4545 if (wpa_s
->conf
== NULL
) {
4546 wpa_printf(MSG_ERROR
, "Failed to read or parse "
4547 "configuration '%s'.", wpa_s
->confname
);
4550 wpa_s
->confanother
= os_rel2abs_path(iface
->confanother
);
4551 wpa_config_read(wpa_s
->confanother
, wpa_s
->conf
);
4554 * Override ctrl_interface and driver_param if set on command
4557 if (iface
->ctrl_interface
) {
4558 os_free(wpa_s
->conf
->ctrl_interface
);
4559 wpa_s
->conf
->ctrl_interface
=
4560 os_strdup(iface
->ctrl_interface
);
4563 if (iface
->driver_param
) {
4564 os_free(wpa_s
->conf
->driver_param
);
4565 wpa_s
->conf
->driver_param
=
4566 os_strdup(iface
->driver_param
);
4569 if (iface
->p2p_mgmt
&& !iface
->ctrl_interface
) {
4570 os_free(wpa_s
->conf
->ctrl_interface
);
4571 wpa_s
->conf
->ctrl_interface
= NULL
;
4574 wpa_s
->conf
= wpa_config_alloc_empty(iface
->ctrl_interface
,
4575 iface
->driver_param
);
4577 if (wpa_s
->conf
== NULL
) {
4578 wpa_printf(MSG_ERROR
, "\nNo configuration found.");
4582 if (iface
->ifname
== NULL
) {
4583 wpa_printf(MSG_ERROR
, "\nInterface name is required.");
4586 if (os_strlen(iface
->ifname
) >= sizeof(wpa_s
->ifname
)) {
4587 wpa_printf(MSG_ERROR
, "\nToo long interface name '%s'.",
4591 os_strlcpy(wpa_s
->ifname
, iface
->ifname
, sizeof(wpa_s
->ifname
));
4593 if (iface
->bridge_ifname
) {
4594 if (os_strlen(iface
->bridge_ifname
) >=
4595 sizeof(wpa_s
->bridge_ifname
)) {
4596 wpa_printf(MSG_ERROR
, "\nToo long bridge interface "
4597 "name '%s'.", iface
->bridge_ifname
);
4600 os_strlcpy(wpa_s
->bridge_ifname
, iface
->bridge_ifname
,
4601 sizeof(wpa_s
->bridge_ifname
));
4604 /* RSNA Supplicant Key Management - INITIALIZE */
4605 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
4606 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
4608 /* Initialize driver interface and register driver event handler before
4609 * L2 receive handler so that association events are processed before
4610 * EAPOL-Key packets if both become available for the same select()
4612 if (wpas_init_driver(wpa_s
, iface
) < 0)
4615 if (wpa_supplicant_init_wpa(wpa_s
) < 0)
4618 wpa_sm_set_ifname(wpa_s
->wpa
, wpa_s
->ifname
,
4619 wpa_s
->bridge_ifname
[0] ? wpa_s
->bridge_ifname
:
4621 wpa_sm_set_fast_reauth(wpa_s
->wpa
, wpa_s
->conf
->fast_reauth
);
4623 if (wpa_s
->conf
->dot11RSNAConfigPMKLifetime
&&
4624 wpa_sm_set_param(wpa_s
->wpa
, RSNA_PMK_LIFETIME
,
4625 wpa_s
->conf
->dot11RSNAConfigPMKLifetime
)) {
4626 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
4627 "dot11RSNAConfigPMKLifetime");
4631 if (wpa_s
->conf
->dot11RSNAConfigPMKReauthThreshold
&&
4632 wpa_sm_set_param(wpa_s
->wpa
, RSNA_PMK_REAUTH_THRESHOLD
,
4633 wpa_s
->conf
->dot11RSNAConfigPMKReauthThreshold
)) {
4634 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
4635 "dot11RSNAConfigPMKReauthThreshold");
4639 if (wpa_s
->conf
->dot11RSNAConfigSATimeout
&&
4640 wpa_sm_set_param(wpa_s
->wpa
, RSNA_SA_TIMEOUT
,
4641 wpa_s
->conf
->dot11RSNAConfigSATimeout
)) {
4642 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
4643 "dot11RSNAConfigSATimeout");
4647 wpa_s
->hw
.modes
= wpa_drv_get_hw_feature_data(wpa_s
,
4648 &wpa_s
->hw
.num_modes
,
4650 if (wpa_s
->hw
.modes
) {
4653 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
4654 if (wpa_s
->hw
.modes
[i
].vht_capab
) {
4655 wpa_s
->hw_capab
= CAPAB_VHT
;
4659 if (wpa_s
->hw
.modes
[i
].ht_capab
&
4660 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET
)
4661 wpa_s
->hw_capab
= CAPAB_HT40
;
4662 else if (wpa_s
->hw
.modes
[i
].ht_capab
&&
4663 wpa_s
->hw_capab
== CAPAB_NO_HT_VHT
)
4664 wpa_s
->hw_capab
= CAPAB_HT
;
4668 capa_res
= wpa_drv_get_capa(wpa_s
, &capa
);
4669 if (capa_res
== 0) {
4670 wpa_s
->drv_capa_known
= 1;
4671 wpa_s
->drv_flags
= capa
.flags
;
4672 wpa_s
->drv_enc
= capa
.enc
;
4673 wpa_s
->drv_smps_modes
= capa
.smps_modes
;
4674 wpa_s
->drv_rrm_flags
= capa
.rrm_flags
;
4675 wpa_s
->probe_resp_offloads
= capa
.probe_resp_offloads
;
4676 wpa_s
->max_scan_ssids
= capa
.max_scan_ssids
;
4677 wpa_s
->max_sched_scan_ssids
= capa
.max_sched_scan_ssids
;
4678 wpa_s
->max_sched_scan_plans
= capa
.max_sched_scan_plans
;
4679 wpa_s
->max_sched_scan_plan_interval
=
4680 capa
.max_sched_scan_plan_interval
;
4681 wpa_s
->max_sched_scan_plan_iterations
=
4682 capa
.max_sched_scan_plan_iterations
;
4683 wpa_s
->sched_scan_supported
= capa
.sched_scan_supported
;
4684 wpa_s
->max_match_sets
= capa
.max_match_sets
;
4685 wpa_s
->max_remain_on_chan
= capa
.max_remain_on_chan
;
4686 wpa_s
->max_stations
= capa
.max_stations
;
4687 wpa_s
->extended_capa
= capa
.extended_capa
;
4688 wpa_s
->extended_capa_mask
= capa
.extended_capa_mask
;
4689 wpa_s
->extended_capa_len
= capa
.extended_capa_len
;
4690 wpa_s
->num_multichan_concurrent
=
4691 capa
.num_multichan_concurrent
;
4692 wpa_s
->wmm_ac_supported
= capa
.wmm_ac_supported
;
4694 if (capa
.mac_addr_rand_scan_supported
)
4695 wpa_s
->mac_addr_rand_supported
|= MAC_ADDR_RAND_SCAN
;
4696 if (wpa_s
->sched_scan_supported
&&
4697 capa
.mac_addr_rand_sched_scan_supported
)
4698 wpa_s
->mac_addr_rand_supported
|=
4699 (MAC_ADDR_RAND_SCHED_SCAN
| MAC_ADDR_RAND_PNO
);
4701 if (wpa_s
->max_remain_on_chan
== 0)
4702 wpa_s
->max_remain_on_chan
= 1000;
4705 * Only take p2p_mgmt parameters when P2P Device is supported.
4706 * Doing it here as it determines whether l2_packet_init() will be done
4707 * during wpa_supplicant_driver_init().
4709 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)
4710 wpa_s
->p2p_mgmt
= iface
->p2p_mgmt
;
4712 iface
->p2p_mgmt
= 1;
4714 if (wpa_s
->num_multichan_concurrent
== 0)
4715 wpa_s
->num_multichan_concurrent
= 1;
4717 if (wpa_supplicant_driver_init(wpa_s
) < 0)
4721 if ((!iface
->p2p_mgmt
||
4722 !(wpa_s
->drv_flags
&
4723 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)) &&
4724 wpa_tdls_init(wpa_s
->wpa
))
4726 #endif /* CONFIG_TDLS */
4728 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1] &&
4729 wpa_drv_set_country(wpa_s
, wpa_s
->conf
->country
)) {
4730 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to set country");
4735 if (wpa_s
->conf
->fst_group_id
) {
4736 struct fst_iface_cfg cfg
;
4737 struct fst_wpa_obj iface_obj
;
4739 fst_wpa_supplicant_fill_iface_obj(wpa_s
, &iface_obj
);
4740 os_strlcpy(cfg
.group_id
, wpa_s
->conf
->fst_group_id
,
4741 sizeof(cfg
.group_id
));
4742 cfg
.priority
= wpa_s
->conf
->fst_priority
;
4743 cfg
.llt
= wpa_s
->conf
->fst_llt
;
4745 wpa_s
->fst
= fst_attach(wpa_s
->ifname
, wpa_s
->own_addr
,
4748 wpa_msg(wpa_s
, MSG_ERROR
,
4749 "FST: Cannot attach iface %s to group %s",
4750 wpa_s
->ifname
, cfg
.group_id
);
4754 #endif /* CONFIG_FST */
4756 if (wpas_wps_init(wpa_s
))
4759 if (wpa_supplicant_init_eapol(wpa_s
) < 0)
4761 wpa_sm_set_eapol(wpa_s
->wpa
, wpa_s
->eapol
);
4763 wpa_s
->ctrl_iface
= wpa_supplicant_ctrl_iface_init(wpa_s
);
4764 if (wpa_s
->ctrl_iface
== NULL
) {
4765 wpa_printf(MSG_ERROR
,
4766 "Failed to initialize control interface '%s'.\n"
4767 "You may have another wpa_supplicant process "
4768 "already running or the file was\n"
4769 "left by an unclean termination of wpa_supplicant "
4770 "in which case you will need\n"
4771 "to manually remove this file before starting "
4772 "wpa_supplicant again.\n",
4773 wpa_s
->conf
->ctrl_interface
);
4777 wpa_s
->gas
= gas_query_init(wpa_s
);
4778 if (wpa_s
->gas
== NULL
) {
4779 wpa_printf(MSG_ERROR
, "Failed to initialize GAS query");
4783 if (iface
->p2p_mgmt
&& wpas_p2p_init(wpa_s
->global
, wpa_s
) < 0) {
4784 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to init P2P");
4788 if (wpa_bss_init(wpa_s
) < 0)
4792 * Set Wake-on-WLAN triggers, if configured.
4793 * Note: We don't restore/remove the triggers on shutdown (it doesn't
4794 * have effect anyway when the interface is down).
4796 if (capa_res
== 0 && wpas_set_wowlan_triggers(wpa_s
, &capa
) < 0)
4799 #ifdef CONFIG_EAP_PROXY
4802 wpa_s
->mnc_len
= eapol_sm_get_eap_proxy_imsi(wpa_s
->eapol
, wpa_s
->imsi
,
4804 if (wpa_s
->mnc_len
> 0) {
4805 wpa_s
->imsi
[len
] = '\0';
4806 wpa_printf(MSG_DEBUG
, "eap_proxy: IMSI %s (MNC length %d)",
4807 wpa_s
->imsi
, wpa_s
->mnc_len
);
4809 wpa_printf(MSG_DEBUG
, "eap_proxy: IMSI not available");
4812 #endif /* CONFIG_EAP_PROXY */
4814 if (pcsc_reader_init(wpa_s
) < 0)
4817 if (wpas_init_ext_pw(wpa_s
) < 0)
4820 wpas_rrm_reset(wpa_s
);
4822 wpas_sched_scan_plans_set(wpa_s
, wpa_s
->conf
->sched_scan_plans
);
4826 #endif /* CONFIG_HS20 */
4828 wpas_mbo_update_non_pref_chan(wpa_s
, wpa_s
->conf
->non_pref_chan
);
4829 #endif /* CONFIG_MBO */
4835 static void wpa_supplicant_deinit_iface(struct wpa_supplicant
*wpa_s
,
4836 int notify
, int terminate
)
4838 struct wpa_global
*global
= wpa_s
->global
;
4839 struct wpa_supplicant
*iface
, *prev
;
4841 if (wpa_s
== wpa_s
->parent
)
4842 wpas_p2p_group_remove(wpa_s
, "*");
4844 iface
= global
->ifaces
;
4846 if (iface
->p2pdev
== wpa_s
)
4847 iface
->p2pdev
= iface
->parent
;
4848 if (iface
== wpa_s
|| iface
->parent
!= wpa_s
) {
4849 iface
= iface
->next
;
4852 wpa_printf(MSG_DEBUG
,
4853 "Remove remaining child interface %s from parent %s",
4854 iface
->ifname
, wpa_s
->ifname
);
4856 iface
= iface
->next
;
4857 wpa_supplicant_remove_iface(global
, prev
, terminate
);
4860 wpa_s
->disconnected
= 1;
4861 if (wpa_s
->drv_priv
) {
4862 wpa_supplicant_deauthenticate(wpa_s
,
4863 WLAN_REASON_DEAUTH_LEAVING
);
4865 wpa_drv_set_countermeasures(wpa_s
, 0);
4866 wpa_clear_keys(wpa_s
, NULL
);
4869 wpa_supplicant_cleanup(wpa_s
);
4870 wpas_p2p_deinit_iface(wpa_s
);
4872 wpas_ctrl_radio_work_flush(wpa_s
);
4873 radio_remove_interface(wpa_s
);
4877 fst_detach(wpa_s
->fst
);
4880 if (wpa_s
->received_mb_ies
) {
4881 wpabuf_free(wpa_s
->received_mb_ies
);
4882 wpa_s
->received_mb_ies
= NULL
;
4884 #endif /* CONFIG_FST */
4886 if (wpa_s
->drv_priv
)
4887 wpa_drv_deinit(wpa_s
);
4890 wpas_notify_iface_removed(wpa_s
);
4893 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_TERMINATING
);
4895 if (wpa_s
->ctrl_iface
) {
4896 wpa_supplicant_ctrl_iface_deinit(wpa_s
->ctrl_iface
);
4897 wpa_s
->ctrl_iface
= NULL
;
4902 wpa_supplicant_mesh_iface_deinit(wpa_s
, wpa_s
->ifmsh
);
4903 wpa_s
->ifmsh
= NULL
;
4905 #endif /* CONFIG_MESH */
4907 if (wpa_s
->conf
!= NULL
) {
4908 wpa_config_free(wpa_s
->conf
);
4912 os_free(wpa_s
->ssids_from_scan_req
);
4918 #ifdef CONFIG_MATCH_IFACE
4921 * wpa_supplicant_match_iface - Match an interface description to a name
4922 * @global: Pointer to global data from wpa_supplicant_init()
4923 * @ifname: Name of the interface to match
4924 * Returns: Pointer to the created interface description or %NULL on failure
4926 struct wpa_interface
* wpa_supplicant_match_iface(struct wpa_global
*global
,
4930 struct wpa_interface
*iface
, *miface
;
4932 for (i
= 0; i
< global
->params
.match_iface_count
; i
++) {
4933 miface
= &global
->params
.match_ifaces
[i
];
4934 if (!miface
->ifname
||
4935 fnmatch(miface
->ifname
, ifname
, 0) == 0) {
4936 iface
= os_zalloc(sizeof(*iface
));
4940 iface
->ifname
= ifname
;
4950 * wpa_supplicant_match_existing - Match existing interfaces
4951 * @global: Pointer to global data from wpa_supplicant_init()
4952 * Returns: 0 on success, -1 on failure
4954 static int wpa_supplicant_match_existing(struct wpa_global
*global
)
4956 struct if_nameindex
*ifi
, *ifp
;
4957 struct wpa_supplicant
*wpa_s
;
4958 struct wpa_interface
*iface
;
4960 ifp
= if_nameindex();
4962 wpa_printf(MSG_ERROR
, "if_nameindex: %s", strerror(errno
));
4966 for (ifi
= ifp
; ifi
->if_name
; ifi
++) {
4967 wpa_s
= wpa_supplicant_get_iface(global
, ifi
->if_name
);
4970 iface
= wpa_supplicant_match_iface(global
, ifi
->if_name
);
4972 wpa_s
= wpa_supplicant_add_iface(global
, iface
, NULL
);
4979 if_freenameindex(ifp
);
4983 #endif /* CONFIG_MATCH_IFACE */
4987 * wpa_supplicant_add_iface - Add a new network interface
4988 * @global: Pointer to global data from wpa_supplicant_init()
4989 * @iface: Interface configuration options
4990 * @parent: Parent interface or %NULL to assign new interface as parent
4991 * Returns: Pointer to the created interface or %NULL on failure
4993 * This function is used to add new network interfaces for %wpa_supplicant.
4994 * This can be called before wpa_supplicant_run() to add interfaces before the
4995 * main event loop has been started. In addition, new interfaces can be added
4996 * dynamically while %wpa_supplicant is already running. This could happen,
4997 * e.g., when a hotplug network adapter is inserted.
4999 struct wpa_supplicant
* wpa_supplicant_add_iface(struct wpa_global
*global
,
5000 struct wpa_interface
*iface
,
5001 struct wpa_supplicant
*parent
)
5003 struct wpa_supplicant
*wpa_s
;
5004 struct wpa_interface t_iface
;
5005 struct wpa_ssid
*ssid
;
5007 if (global
== NULL
|| iface
== NULL
)
5010 wpa_s
= wpa_supplicant_alloc(parent
);
5014 wpa_s
->global
= global
;
5017 if (global
->params
.override_driver
) {
5018 wpa_printf(MSG_DEBUG
, "Override interface parameter: driver "
5020 iface
->driver
, global
->params
.override_driver
);
5021 t_iface
.driver
= global
->params
.override_driver
;
5023 if (global
->params
.override_ctrl_interface
) {
5024 wpa_printf(MSG_DEBUG
, "Override interface parameter: "
5025 "ctrl_interface ('%s' -> '%s')",
5026 iface
->ctrl_interface
,
5027 global
->params
.override_ctrl_interface
);
5028 t_iface
.ctrl_interface
=
5029 global
->params
.override_ctrl_interface
;
5031 if (wpa_supplicant_init_iface(wpa_s
, &t_iface
)) {
5032 wpa_printf(MSG_DEBUG
, "Failed to add interface %s",
5034 wpa_supplicant_deinit_iface(wpa_s
, 0, 0);
5038 if (iface
->p2p_mgmt
== 0) {
5039 /* Notify the control interfaces about new iface */
5040 if (wpas_notify_iface_added(wpa_s
)) {
5041 wpa_supplicant_deinit_iface(wpa_s
, 1, 0);
5045 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
5046 wpas_notify_network_added(wpa_s
, ssid
);
5049 wpa_s
->next
= global
->ifaces
;
5050 global
->ifaces
= wpa_s
;
5052 wpa_dbg(wpa_s
, MSG_DEBUG
, "Added interface %s", wpa_s
->ifname
);
5053 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
5056 if (wpa_s
->global
->p2p
== NULL
&&
5057 !wpa_s
->global
->p2p_disabled
&& !wpa_s
->conf
->p2p_disabled
&&
5058 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
5059 wpas_p2p_add_p2pdev_interface(
5060 wpa_s
, wpa_s
->global
->params
.conf_p2p_dev
) < 0) {
5061 wpa_printf(MSG_INFO
,
5062 "P2P: Failed to enable P2P Device interface");
5063 /* Try to continue without. P2P will be disabled. */
5065 #endif /* CONFIG_P2P */
5072 * wpa_supplicant_remove_iface - Remove a network interface
5073 * @global: Pointer to global data from wpa_supplicant_init()
5074 * @wpa_s: Pointer to the network interface to be removed
5075 * Returns: 0 if interface was removed, -1 if interface was not found
5077 * This function can be used to dynamically remove network interfaces from
5078 * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In
5079 * addition, this function is used to remove all remaining interfaces when
5080 * %wpa_supplicant is terminated.
5082 int wpa_supplicant_remove_iface(struct wpa_global
*global
,
5083 struct wpa_supplicant
*wpa_s
,
5086 struct wpa_supplicant
*prev
;
5088 unsigned int mesh_if_created
= wpa_s
->mesh_if_created
;
5089 char *ifname
= NULL
;
5090 #endif /* CONFIG_MESH */
5092 /* Remove interface from the global list of interfaces */
5093 prev
= global
->ifaces
;
5094 if (prev
== wpa_s
) {
5095 global
->ifaces
= wpa_s
->next
;
5097 while (prev
&& prev
->next
!= wpa_s
)
5101 prev
->next
= wpa_s
->next
;
5104 wpa_dbg(wpa_s
, MSG_DEBUG
, "Removing interface %s", wpa_s
->ifname
);
5107 if (mesh_if_created
) {
5108 ifname
= os_strdup(wpa_s
->ifname
);
5109 if (ifname
== NULL
) {
5110 wpa_dbg(wpa_s
, MSG_ERROR
,
5111 "mesh: Failed to malloc ifname");
5115 #endif /* CONFIG_MESH */
5117 if (global
->p2p_group_formation
== wpa_s
)
5118 global
->p2p_group_formation
= NULL
;
5119 if (global
->p2p_invite_group
== wpa_s
)
5120 global
->p2p_invite_group
= NULL
;
5121 wpa_supplicant_deinit_iface(wpa_s
, 1, terminate
);
5124 if (mesh_if_created
) {
5125 wpa_drv_if_remove(global
->ifaces
, WPA_IF_MESH
, ifname
);
5128 #endif /* CONFIG_MESH */
5135 * wpa_supplicant_get_eap_mode - Get the current EAP mode
5136 * @wpa_s: Pointer to the network interface
5137 * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found
5139 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant
*wpa_s
)
5141 const char *eapol_method
;
5143 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) == 0 &&
5144 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
5148 eapol_method
= eapol_sm_get_method_name(wpa_s
->eapol
);
5149 if (eapol_method
== NULL
)
5150 return "UNKNOWN-EAP";
5152 return eapol_method
;
5157 * wpa_supplicant_get_iface - Get a new network interface
5158 * @global: Pointer to global data from wpa_supplicant_init()
5159 * @ifname: Interface name
5160 * Returns: Pointer to the interface or %NULL if not found
5162 struct wpa_supplicant
* wpa_supplicant_get_iface(struct wpa_global
*global
,
5165 struct wpa_supplicant
*wpa_s
;
5167 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5168 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
5175 #ifndef CONFIG_NO_WPA_MSG
5176 static const char * wpa_supplicant_msg_ifname_cb(void *ctx
)
5178 struct wpa_supplicant
*wpa_s
= ctx
;
5181 return wpa_s
->ifname
;
5183 #endif /* CONFIG_NO_WPA_MSG */
5186 #ifndef WPA_SUPPLICANT_CLEANUP_INTERVAL
5187 #define WPA_SUPPLICANT_CLEANUP_INTERVAL 10
5188 #endif /* WPA_SUPPLICANT_CLEANUP_INTERVAL */
5190 /* Periodic cleanup tasks */
5191 static void wpas_periodic(void *eloop_ctx
, void *timeout_ctx
)
5193 struct wpa_global
*global
= eloop_ctx
;
5194 struct wpa_supplicant
*wpa_s
;
5196 eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL
, 0,
5197 wpas_periodic
, global
, NULL
);
5201 p2p_expire_peers(global
->p2p
);
5202 #endif /* CONFIG_P2P */
5204 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
5205 wpa_bss_flush_by_age(wpa_s
, wpa_s
->conf
->bss_expiration_age
);
5208 #endif /* CONFIG_AP */
5214 * wpa_supplicant_init - Initialize %wpa_supplicant
5215 * @params: Parameters for %wpa_supplicant
5216 * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure
5218 * This function is used to initialize %wpa_supplicant. After successful
5219 * initialization, the returned data pointer can be used to add and remove
5220 * network interfaces, and eventually, to deinitialize %wpa_supplicant.
5222 struct wpa_global
* wpa_supplicant_init(struct wpa_params
*params
)
5224 struct wpa_global
*global
;
5230 #ifdef CONFIG_DRIVER_NDIS
5232 void driver_ndis_init_ops(void);
5233 driver_ndis_init_ops();
5235 #endif /* CONFIG_DRIVER_NDIS */
5237 #ifndef CONFIG_NO_WPA_MSG
5238 wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb
);
5239 #endif /* CONFIG_NO_WPA_MSG */
5241 if (params
->wpa_debug_file_path
)
5242 wpa_debug_open_file(params
->wpa_debug_file_path
);
5244 wpa_debug_setup_stdout();
5245 if (params
->wpa_debug_syslog
)
5246 wpa_debug_open_syslog();
5247 if (params
->wpa_debug_tracing
) {
5248 ret
= wpa_debug_open_linux_tracing();
5250 wpa_printf(MSG_ERROR
,
5251 "Failed to enable trace logging");
5256 ret
= eap_register_methods();
5258 wpa_printf(MSG_ERROR
, "Failed to register EAP methods");
5260 wpa_printf(MSG_ERROR
, "Two or more EAP methods used "
5261 "the same EAP type.");
5265 global
= os_zalloc(sizeof(*global
));
5268 dl_list_init(&global
->p2p_srv_bonjour
);
5269 dl_list_init(&global
->p2p_srv_upnp
);
5270 global
->params
.daemonize
= params
->daemonize
;
5271 global
->params
.wait_for_monitor
= params
->wait_for_monitor
;
5272 global
->params
.dbus_ctrl_interface
= params
->dbus_ctrl_interface
;
5273 if (params
->pid_file
)
5274 global
->params
.pid_file
= os_strdup(params
->pid_file
);
5275 if (params
->ctrl_interface
)
5276 global
->params
.ctrl_interface
=
5277 os_strdup(params
->ctrl_interface
);
5278 if (params
->ctrl_interface_group
)
5279 global
->params
.ctrl_interface_group
=
5280 os_strdup(params
->ctrl_interface_group
);
5281 if (params
->override_driver
)
5282 global
->params
.override_driver
=
5283 os_strdup(params
->override_driver
);
5284 if (params
->override_ctrl_interface
)
5285 global
->params
.override_ctrl_interface
=
5286 os_strdup(params
->override_ctrl_interface
);
5287 #ifdef CONFIG_MATCH_IFACE
5288 global
->params
.match_iface_count
= params
->match_iface_count
;
5289 if (params
->match_iface_count
) {
5290 global
->params
.match_ifaces
=
5291 os_calloc(params
->match_iface_count
,
5292 sizeof(struct wpa_interface
));
5293 os_memcpy(global
->params
.match_ifaces
,
5294 params
->match_ifaces
,
5295 params
->match_iface_count
*
5296 sizeof(struct wpa_interface
));
5298 #endif /* CONFIG_MATCH_IFACE */
5300 if (params
->conf_p2p_dev
)
5301 global
->params
.conf_p2p_dev
=
5302 os_strdup(params
->conf_p2p_dev
);
5303 #endif /* CONFIG_P2P */
5304 wpa_debug_level
= global
->params
.wpa_debug_level
=
5305 params
->wpa_debug_level
;
5306 wpa_debug_show_keys
= global
->params
.wpa_debug_show_keys
=
5307 params
->wpa_debug_show_keys
;
5308 wpa_debug_timestamp
= global
->params
.wpa_debug_timestamp
=
5309 params
->wpa_debug_timestamp
;
5311 wpa_printf(MSG_DEBUG
, "wpa_supplicant v" VERSION_STR
);
5314 wpa_printf(MSG_ERROR
, "Failed to initialize event loop");
5315 wpa_supplicant_deinit(global
);
5319 random_init(params
->entropy_file
);
5321 global
->ctrl_iface
= wpa_supplicant_global_ctrl_iface_init(global
);
5322 if (global
->ctrl_iface
== NULL
) {
5323 wpa_supplicant_deinit(global
);
5327 if (wpas_notify_supplicant_initialized(global
)) {
5328 wpa_supplicant_deinit(global
);
5332 for (i
= 0; wpa_drivers
[i
]; i
++)
5333 global
->drv_count
++;
5334 if (global
->drv_count
== 0) {
5335 wpa_printf(MSG_ERROR
, "No drivers enabled");
5336 wpa_supplicant_deinit(global
);
5339 global
->drv_priv
= os_calloc(global
->drv_count
, sizeof(void *));
5340 if (global
->drv_priv
== NULL
) {
5341 wpa_supplicant_deinit(global
);
5345 #ifdef CONFIG_WIFI_DISPLAY
5346 if (wifi_display_init(global
) < 0) {
5347 wpa_printf(MSG_ERROR
, "Failed to initialize Wi-Fi Display");
5348 wpa_supplicant_deinit(global
);
5351 #endif /* CONFIG_WIFI_DISPLAY */
5353 eloop_register_timeout(WPA_SUPPLICANT_CLEANUP_INTERVAL
, 0,
5354 wpas_periodic
, global
, NULL
);
5361 * wpa_supplicant_run - Run the %wpa_supplicant main event loop
5362 * @global: Pointer to global data from wpa_supplicant_init()
5363 * Returns: 0 after successful event loop run, -1 on failure
5365 * This function starts the main event loop and continues running as long as
5366 * there are any remaining events. In most cases, this function is running as
5367 * long as the %wpa_supplicant process in still in use.
5369 int wpa_supplicant_run(struct wpa_global
*global
)
5371 struct wpa_supplicant
*wpa_s
;
5373 if (global
->params
.daemonize
&&
5374 (wpa_supplicant_daemon(global
->params
.pid_file
) ||
5375 eloop_sock_requeue()))
5378 #ifdef CONFIG_MATCH_IFACE
5379 if (wpa_supplicant_match_existing(global
))
5383 if (global
->params
.wait_for_monitor
) {
5384 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
)
5385 if (wpa_s
->ctrl_iface
&& !wpa_s
->p2p_mgmt
)
5386 wpa_supplicant_ctrl_iface_wait(
5390 eloop_register_signal_terminate(wpa_supplicant_terminate
, global
);
5391 eloop_register_signal_reconfig(wpa_supplicant_reconfig
, global
);
5400 * wpa_supplicant_deinit - Deinitialize %wpa_supplicant
5401 * @global: Pointer to global data from wpa_supplicant_init()
5403 * This function is called to deinitialize %wpa_supplicant and to free all
5404 * allocated resources. Remaining network interfaces will also be removed.
5406 void wpa_supplicant_deinit(struct wpa_global
*global
)
5413 eloop_cancel_timeout(wpas_periodic
, global
, NULL
);
5415 #ifdef CONFIG_WIFI_DISPLAY
5416 wifi_display_deinit(global
);
5417 #endif /* CONFIG_WIFI_DISPLAY */
5419 while (global
->ifaces
)
5420 wpa_supplicant_remove_iface(global
, global
->ifaces
, 1);
5422 if (global
->ctrl_iface
)
5423 wpa_supplicant_global_ctrl_iface_deinit(global
->ctrl_iface
);
5425 wpas_notify_supplicant_deinitialized(global
);
5427 eap_peer_unregister_methods();
5429 eap_server_unregister_methods();
5430 #endif /* CONFIG_AP */
5432 for (i
= 0; wpa_drivers
[i
] && global
->drv_priv
; i
++) {
5433 if (!global
->drv_priv
[i
])
5435 wpa_drivers
[i
]->global_deinit(global
->drv_priv
[i
]);
5437 os_free(global
->drv_priv
);
5443 if (global
->params
.pid_file
) {
5444 os_daemonize_terminate(global
->params
.pid_file
);
5445 os_free(global
->params
.pid_file
);
5447 os_free(global
->params
.ctrl_interface
);
5448 os_free(global
->params
.ctrl_interface_group
);
5449 os_free(global
->params
.override_driver
);
5450 os_free(global
->params
.override_ctrl_interface
);
5451 #ifdef CONFIG_MATCH_IFACE
5452 os_free(global
->params
.match_ifaces
);
5453 #endif /* CONFIG_MATCH_IFACE */
5455 os_free(global
->params
.conf_p2p_dev
);
5456 #endif /* CONFIG_P2P */
5458 os_free(global
->p2p_disallow_freq
.range
);
5459 os_free(global
->p2p_go_avoid_freq
.range
);
5460 os_free(global
->add_psk
);
5463 wpa_debug_close_syslog();
5464 wpa_debug_close_file();
5465 wpa_debug_close_linux_tracing();
5469 void wpa_supplicant_update_config(struct wpa_supplicant
*wpa_s
)
5471 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
5472 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
5474 country
[0] = wpa_s
->conf
->country
[0];
5475 country
[1] = wpa_s
->conf
->country
[1];
5477 if (wpa_drv_set_country(wpa_s
, country
) < 0) {
5478 wpa_printf(MSG_ERROR
, "Failed to set country code "
5483 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_EXT_PW_BACKEND
)
5484 wpas_init_ext_pw(wpa_s
);
5486 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_SCHED_SCAN_PLANS
)
5487 wpas_sched_scan_plans_set(wpa_s
, wpa_s
->conf
->sched_scan_plans
);
5490 wpas_wps_update_config(wpa_s
);
5491 #endif /* CONFIG_WPS */
5492 wpas_p2p_update_config(wpa_s
);
5493 wpa_s
->conf
->changed_parameters
= 0;
5497 void add_freq(int *freqs
, int *num_freqs
, int freq
)
5501 for (i
= 0; i
< *num_freqs
; i
++) {
5502 if (freqs
[i
] == freq
)
5506 freqs
[*num_freqs
] = freq
;
5511 static int * get_bss_freqs_in_ess(struct wpa_supplicant
*wpa_s
)
5513 struct wpa_bss
*bss
, *cbss
;
5514 const int max_freqs
= 10;
5518 freqs
= os_calloc(max_freqs
+ 1, sizeof(int));
5522 cbss
= wpa_s
->current_bss
;
5524 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
5527 if (bss
->ssid_len
== cbss
->ssid_len
&&
5528 os_memcmp(bss
->ssid
, cbss
->ssid
, bss
->ssid_len
) == 0 &&
5529 wpa_blacklist_get(wpa_s
, bss
->bssid
) == NULL
) {
5530 add_freq(freqs
, &num_freqs
, bss
->freq
);
5531 if (num_freqs
== max_freqs
)
5536 if (num_freqs
== 0) {
5545 void wpas_connection_failed(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
5551 wpas_connect_work_done(wpa_s
);
5554 * Remove possible authentication timeout since the connection failed.
5556 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
5559 * There is no point in blacklisting the AP if this event is
5560 * generated based on local request to disconnect.
5562 if (wpa_s
->own_disconnect_req
) {
5563 wpa_s
->own_disconnect_req
= 0;
5564 wpa_dbg(wpa_s
, MSG_DEBUG
,
5565 "Ignore connection failure due to local request to disconnect");
5568 if (wpa_s
->disconnected
) {
5569 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore connection failure "
5570 "indication since interface has been put into "
5571 "disconnected state");
5576 * Add the failed BSSID into the blacklist and speed up next scan
5577 * attempt if there could be other APs that could accept association.
5578 * The current blacklist count indicates how many times we have tried
5579 * connecting to this AP and multiple attempts mean that other APs are
5580 * either not available or has already been tried, so that we can start
5581 * increasing the delay here to avoid constant scanning.
5583 count
= wpa_blacklist_add(wpa_s
, bssid
);
5584 if (count
== 1 && wpa_s
->current_bss
) {
5586 * This BSS was not in the blacklist before. If there is
5587 * another BSS available for the same ESS, we should try that
5588 * next. Otherwise, we may as well try this one once more
5589 * before allowing other, likely worse, ESSes to be considered.
5591 freqs
= get_bss_freqs_in_ess(wpa_s
);
5593 wpa_dbg(wpa_s
, MSG_DEBUG
, "Another BSS in this ESS "
5594 "has been seen; try it next");
5595 wpa_blacklist_add(wpa_s
, bssid
);
5597 * On the next scan, go through only the known channels
5598 * used in this ESS based on previous scans to speed up
5599 * common load balancing use case.
5601 os_free(wpa_s
->next_scan_freqs
);
5602 wpa_s
->next_scan_freqs
= freqs
;
5607 * Add previous failure count in case the temporary blacklist was
5608 * cleared due to no other BSSes being available.
5610 count
+= wpa_s
->extra_blacklist_count
;
5612 if (count
> 3 && wpa_s
->current_ssid
) {
5613 wpa_printf(MSG_DEBUG
, "Continuous association failures - "
5614 "consider temporary network disabling");
5615 wpas_auth_failed(wpa_s
, "CONN_FAILED");
5636 wpa_dbg(wpa_s
, MSG_DEBUG
, "Blacklist count %d --> request scan in %d "
5637 "ms", count
, timeout
);
5640 * TODO: if more than one possible AP is available in scan results,
5641 * could try the other ones before requesting a new scan.
5643 wpa_supplicant_req_scan(wpa_s
, timeout
/ 1000,
5644 1000 * (timeout
% 1000));
5648 int wpas_driver_bss_selection(struct wpa_supplicant
*wpa_s
)
5650 return wpa_s
->conf
->ap_scan
== 2 ||
5651 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_BSS_SELECTION
);
5655 #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW)
5656 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant
*wpa_s
,
5657 struct wpa_ssid
*ssid
,
5661 #ifdef IEEE8021X_EAPOL
5662 struct eap_peer_config
*eap
= &ssid
->eap
;
5664 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: response handle field=%s", field
);
5665 wpa_hexdump_ascii_key(MSG_DEBUG
, "CTRL_IFACE: response value",
5666 (const u8
*) value
, os_strlen(value
));
5668 switch (wpa_supplicant_ctrl_req_from_string(field
)) {
5669 case WPA_CTRL_REQ_EAP_IDENTITY
:
5670 os_free(eap
->identity
);
5671 eap
->identity
= (u8
*) os_strdup(value
);
5672 eap
->identity_len
= os_strlen(value
);
5673 eap
->pending_req_identity
= 0;
5674 if (ssid
== wpa_s
->current_ssid
)
5675 wpa_s
->reassociate
= 1;
5677 case WPA_CTRL_REQ_EAP_PASSWORD
:
5678 bin_clear_free(eap
->password
, eap
->password_len
);
5679 eap
->password
= (u8
*) os_strdup(value
);
5680 eap
->password_len
= os_strlen(value
);
5681 eap
->pending_req_password
= 0;
5682 if (ssid
== wpa_s
->current_ssid
)
5683 wpa_s
->reassociate
= 1;
5685 case WPA_CTRL_REQ_EAP_NEW_PASSWORD
:
5686 bin_clear_free(eap
->new_password
, eap
->new_password_len
);
5687 eap
->new_password
= (u8
*) os_strdup(value
);
5688 eap
->new_password_len
= os_strlen(value
);
5689 eap
->pending_req_new_password
= 0;
5690 if (ssid
== wpa_s
->current_ssid
)
5691 wpa_s
->reassociate
= 1;
5693 case WPA_CTRL_REQ_EAP_PIN
:
5694 str_clear_free(eap
->pin
);
5695 eap
->pin
= os_strdup(value
);
5696 eap
->pending_req_pin
= 0;
5697 if (ssid
== wpa_s
->current_ssid
)
5698 wpa_s
->reassociate
= 1;
5700 case WPA_CTRL_REQ_EAP_OTP
:
5701 bin_clear_free(eap
->otp
, eap
->otp_len
);
5702 eap
->otp
= (u8
*) os_strdup(value
);
5703 eap
->otp_len
= os_strlen(value
);
5704 os_free(eap
->pending_req_otp
);
5705 eap
->pending_req_otp
= NULL
;
5706 eap
->pending_req_otp_len
= 0;
5708 case WPA_CTRL_REQ_EAP_PASSPHRASE
:
5709 str_clear_free(eap
->private_key_passwd
);
5710 eap
->private_key_passwd
= os_strdup(value
);
5711 eap
->pending_req_passphrase
= 0;
5712 if (ssid
== wpa_s
->current_ssid
)
5713 wpa_s
->reassociate
= 1;
5715 case WPA_CTRL_REQ_SIM
:
5716 str_clear_free(eap
->external_sim_resp
);
5717 eap
->external_sim_resp
= os_strdup(value
);
5719 case WPA_CTRL_REQ_PSK_PASSPHRASE
:
5720 if (wpa_config_set(ssid
, "psk", value
, 0) < 0)
5722 ssid
->mem_only_psk
= 1;
5723 if (ssid
->passphrase
)
5724 wpa_config_update_psk(ssid
);
5725 if (wpa_s
->wpa_state
== WPA_SCANNING
&& !wpa_s
->scanning
)
5726 wpa_supplicant_req_scan(wpa_s
, 0, 0);
5728 case WPA_CTRL_REQ_EXT_CERT_CHECK
:
5729 if (eap
->pending_ext_cert_check
!= PENDING_CHECK
)
5731 if (os_strcmp(value
, "good") == 0)
5732 eap
->pending_ext_cert_check
= EXT_CERT_CHECK_GOOD
;
5733 else if (os_strcmp(value
, "bad") == 0)
5734 eap
->pending_ext_cert_check
= EXT_CERT_CHECK_BAD
;
5739 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: Unknown field '%s'", field
);
5744 #else /* IEEE8021X_EAPOL */
5745 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: IEEE 802.1X not included");
5747 #endif /* IEEE8021X_EAPOL */
5749 #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */
5752 int wpas_network_disabled(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
5755 unsigned int drv_enc
;
5757 if (wpa_s
->p2p_mgmt
)
5758 return 1; /* no normal network profiles on p2p_mgmt interface */
5766 if (wpa_s
->drv_capa_known
)
5767 drv_enc
= wpa_s
->drv_enc
;
5769 drv_enc
= (unsigned int) -1;
5771 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
5772 size_t len
= ssid
->wep_key_len
[i
];
5775 if (len
== 5 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP40
))
5777 if (len
== 13 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP104
))
5779 if (len
== 16 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP128
))
5781 return 1; /* invalid WEP key */
5784 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
) && !ssid
->psk_set
&&
5785 (!ssid
->passphrase
|| ssid
->ssid_len
!= 0) && !ssid
->ext_psk
&&
5786 !ssid
->mem_only_psk
)
5793 int wpas_get_ssid_pmf(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
5795 #ifdef CONFIG_IEEE80211W
5796 if (ssid
== NULL
|| ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
) {
5797 if (wpa_s
->conf
->pmf
== MGMT_FRAME_PROTECTION_OPTIONAL
&&
5798 !(wpa_s
->drv_enc
& WPA_DRIVER_CAPA_ENC_BIP
)) {
5800 * Driver does not support BIP -- ignore pmf=1 default
5801 * since the connection with PMF would fail and the
5802 * configuration does not require PMF to be enabled.
5804 return NO_MGMT_FRAME_PROTECTION
;
5807 return wpa_s
->conf
->pmf
;
5810 return ssid
->ieee80211w
;
5811 #else /* CONFIG_IEEE80211W */
5812 return NO_MGMT_FRAME_PROTECTION
;
5813 #endif /* CONFIG_IEEE80211W */
5817 int wpas_is_p2p_prioritized(struct wpa_supplicant
*wpa_s
)
5819 if (wpa_s
->global
->conc_pref
== WPA_CONC_PREF_P2P
)
5821 if (wpa_s
->global
->conc_pref
== WPA_CONC_PREF_STA
)
5827 void wpas_auth_failed(struct wpa_supplicant
*wpa_s
, char *reason
)
5829 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
5831 struct os_reltime now
;
5834 wpa_printf(MSG_DEBUG
, "Authentication failure but no known "
5839 if (ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
)
5842 ssid
->auth_failures
++;
5845 if (ssid
->p2p_group
&&
5846 (wpa_s
->p2p_in_provisioning
|| wpa_s
->show_group_started
)) {
5848 * Skip the wait time since there is a short timeout on the
5849 * connection to a P2P group.
5853 #endif /* CONFIG_P2P */
5855 if (ssid
->auth_failures
> 50)
5857 else if (ssid
->auth_failures
> 10)
5859 else if (ssid
->auth_failures
> 5)
5861 else if (ssid
->auth_failures
> 3)
5863 else if (ssid
->auth_failures
> 2)
5865 else if (ssid
->auth_failures
> 1)
5870 if (ssid
->auth_failures
> 1 &&
5871 wpa_key_mgmt_wpa_ieee8021x(ssid
->key_mgmt
))
5872 dur
+= os_random() % (ssid
->auth_failures
* 10);
5874 os_get_reltime(&now
);
5875 if (now
.sec
+ dur
<= ssid
->disabled_until
.sec
)
5878 ssid
->disabled_until
.sec
= now
.sec
+ dur
;
5880 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_TEMP_DISABLED
5881 "id=%d ssid=\"%s\" auth_failures=%u duration=%d reason=%s",
5882 ssid
->id
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
5883 ssid
->auth_failures
, dur
, reason
);
5887 void wpas_clear_temp_disabled(struct wpa_supplicant
*wpa_s
,
5888 struct wpa_ssid
*ssid
, int clear_failures
)
5893 if (ssid
->disabled_until
.sec
) {
5894 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_REENABLED
5895 "id=%d ssid=\"%s\"",
5896 ssid
->id
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
5898 ssid
->disabled_until
.sec
= 0;
5899 ssid
->disabled_until
.usec
= 0;
5901 ssid
->auth_failures
= 0;
5905 int disallowed_bssid(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
5909 if (wpa_s
->disallow_aps_bssid
== NULL
)
5912 for (i
= 0; i
< wpa_s
->disallow_aps_bssid_count
; i
++) {
5913 if (os_memcmp(wpa_s
->disallow_aps_bssid
+ i
* ETH_ALEN
,
5914 bssid
, ETH_ALEN
) == 0)
5922 int disallowed_ssid(struct wpa_supplicant
*wpa_s
, const u8
*ssid
,
5927 if (wpa_s
->disallow_aps_ssid
== NULL
|| ssid
== NULL
)
5930 for (i
= 0; i
< wpa_s
->disallow_aps_ssid_count
; i
++) {
5931 struct wpa_ssid_value
*s
= &wpa_s
->disallow_aps_ssid
[i
];
5932 if (ssid_len
== s
->ssid_len
&&
5933 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
5942 * wpas_request_connection - Request a new connection
5943 * @wpa_s: Pointer to the network interface
5945 * This function is used to request a new connection to be found. It will mark
5946 * the interface to allow reassociation and request a new scan to find a
5947 * suitable network to connect to.
5949 void wpas_request_connection(struct wpa_supplicant
*wpa_s
)
5951 wpa_s
->normal_scans
= 0;
5952 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
5953 wpa_supplicant_reinit_autoscan(wpa_s
);
5954 wpa_s
->extra_blacklist_count
= 0;
5955 wpa_s
->disconnected
= 0;
5956 wpa_s
->reassociate
= 1;
5958 if (wpa_supplicant_fast_associate(wpa_s
) != 1)
5959 wpa_supplicant_req_scan(wpa_s
, 0, 0);
5961 wpa_s
->reattach
= 0;
5965 void dump_freq_data(struct wpa_supplicant
*wpa_s
, const char *title
,
5966 struct wpa_used_freq_data
*freqs_data
,
5971 wpa_dbg(wpa_s
, MSG_DEBUG
, "Shared frequencies (len=%u): %s",
5973 for (i
= 0; i
< len
; i
++) {
5974 struct wpa_used_freq_data
*cur
= &freqs_data
[i
];
5975 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq[%u]: %d, flags=0x%X",
5976 i
, cur
->freq
, cur
->flags
);
5982 * Find the operating frequencies of any of the virtual interfaces that
5983 * are using the same radio as the current interface, and in addition, get
5984 * information about the interface types that are using the frequency.
5986 int get_shared_radio_freqs_data(struct wpa_supplicant
*wpa_s
,
5987 struct wpa_used_freq_data
*freqs_data
,
5990 struct wpa_supplicant
*ifs
;
5993 unsigned int idx
= 0, i
;
5995 wpa_dbg(wpa_s
, MSG_DEBUG
,
5996 "Determining shared radio frequencies (max len %u)", len
);
5997 os_memset(freqs_data
, 0, sizeof(struct wpa_used_freq_data
) * len
);
5999 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
6004 if (ifs
->current_ssid
== NULL
|| ifs
->assoc_freq
== 0)
6007 if (ifs
->current_ssid
->mode
== WPAS_MODE_AP
||
6008 ifs
->current_ssid
->mode
== WPAS_MODE_P2P_GO
||
6009 ifs
->current_ssid
->mode
== WPAS_MODE_MESH
)
6010 freq
= ifs
->current_ssid
->frequency
;
6011 else if (wpa_drv_get_bssid(ifs
, bssid
) == 0)
6012 freq
= ifs
->assoc_freq
;
6016 /* Hold only distinct freqs */
6017 for (i
= 0; i
< idx
; i
++)
6018 if (freqs_data
[i
].freq
== freq
)
6022 freqs_data
[idx
++].freq
= freq
;
6024 if (ifs
->current_ssid
->mode
== WPAS_MODE_INFRA
) {
6025 freqs_data
[i
].flags
|= ifs
->current_ssid
->p2p_group
?
6026 WPA_FREQ_USED_BY_P2P_CLIENT
:
6027 WPA_FREQ_USED_BY_INFRA_STATION
;
6031 dump_freq_data(wpa_s
, "completed iteration", freqs_data
, idx
);
6037 * Find the operating frequencies of any of the virtual interfaces that
6038 * are using the same radio as the current interface.
6040 int get_shared_radio_freqs(struct wpa_supplicant
*wpa_s
,
6041 int *freq_array
, unsigned int len
)
6043 struct wpa_used_freq_data
*freqs_data
;
6046 os_memset(freq_array
, 0, sizeof(int) * len
);
6048 freqs_data
= os_calloc(len
, sizeof(struct wpa_used_freq_data
));
6052 num
= get_shared_radio_freqs_data(wpa_s
, freqs_data
, len
);
6053 for (i
= 0; i
< num
; i
++)
6054 freq_array
[i
] = freqs_data
[i
].freq
;
6056 os_free(freqs_data
);
6062 static void wpas_rrm_neighbor_rep_timeout_handler(void *data
, void *user_ctx
)
6064 struct rrm_data
*rrm
= data
;
6066 if (!rrm
->notify_neighbor_rep
) {
6067 wpa_printf(MSG_ERROR
,
6068 "RRM: Unexpected neighbor report timeout");
6072 wpa_printf(MSG_DEBUG
, "RRM: Notifying neighbor report - NONE");
6073 rrm
->notify_neighbor_rep(rrm
->neighbor_rep_cb_ctx
, NULL
);
6075 rrm
->notify_neighbor_rep
= NULL
;
6076 rrm
->neighbor_rep_cb_ctx
= NULL
;
6081 * wpas_rrm_reset - Clear and reset all RRM data in wpa_supplicant
6082 * @wpa_s: Pointer to wpa_supplicant
6084 void wpas_rrm_reset(struct wpa_supplicant
*wpa_s
)
6086 wpa_s
->rrm
.rrm_used
= 0;
6088 eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler
, &wpa_s
->rrm
,
6090 if (wpa_s
->rrm
.notify_neighbor_rep
)
6091 wpas_rrm_neighbor_rep_timeout_handler(&wpa_s
->rrm
, NULL
);
6092 wpa_s
->rrm
.next_neighbor_rep_token
= 1;
6097 * wpas_rrm_process_neighbor_rep - Handle incoming neighbor report
6098 * @wpa_s: Pointer to wpa_supplicant
6099 * @report: Neighbor report buffer, prefixed by a 1-byte dialog token
6100 * @report_len: Length of neighbor report buffer
6102 void wpas_rrm_process_neighbor_rep(struct wpa_supplicant
*wpa_s
,
6103 const u8
*report
, size_t report_len
)
6105 struct wpabuf
*neighbor_rep
;
6107 wpa_hexdump(MSG_DEBUG
, "RRM: New Neighbor Report", report
, report_len
);
6111 if (report
[0] != wpa_s
->rrm
.next_neighbor_rep_token
- 1) {
6112 wpa_printf(MSG_DEBUG
,
6113 "RRM: Discarding neighbor report with token %d (expected %d)",
6114 report
[0], wpa_s
->rrm
.next_neighbor_rep_token
- 1);
6118 eloop_cancel_timeout(wpas_rrm_neighbor_rep_timeout_handler
, &wpa_s
->rrm
,
6121 if (!wpa_s
->rrm
.notify_neighbor_rep
) {
6122 wpa_printf(MSG_ERROR
, "RRM: Unexpected neighbor report");
6126 /* skipping the first byte, which is only an id (dialog token) */
6127 neighbor_rep
= wpabuf_alloc(report_len
- 1);
6128 if (neighbor_rep
== NULL
)
6130 wpabuf_put_data(neighbor_rep
, report
+ 1, report_len
- 1);
6131 wpa_printf(MSG_DEBUG
, "RRM: Notifying neighbor report (token = %d)",
6133 wpa_s
->rrm
.notify_neighbor_rep(wpa_s
->rrm
.neighbor_rep_cb_ctx
,
6135 wpa_s
->rrm
.notify_neighbor_rep
= NULL
;
6136 wpa_s
->rrm
.neighbor_rep_cb_ctx
= NULL
;
6140 #if defined(__CYGWIN__) || defined(CONFIG_NATIVE_WINDOWS)
6141 /* Workaround different, undefined for Windows, error codes used here */
6143 #define EOPNOTSUPP -1
6144 #define ECANCELED -1
6148 * wpas_rrm_send_neighbor_rep_request - Request a neighbor report from our AP
6149 * @wpa_s: Pointer to wpa_supplicant
6150 * @ssid: if not null, this is sent in the request. Otherwise, no SSID IE
6151 * is sent in the request.
6152 * @cb: Callback function to be called once the requested report arrives, or
6153 * timed out after RRM_NEIGHBOR_REPORT_TIMEOUT seconds.
6154 * In the former case, 'neighbor_rep' is a newly allocated wpabuf, and it's
6155 * the requester's responsibility to free it.
6156 * In the latter case NULL will be sent in 'neighbor_rep'.
6157 * @cb_ctx: Context value to send the callback function
6158 * Returns: 0 in case of success, negative error code otherwise
6160 * In case there is a previous request which has not been answered yet, the
6161 * new request fails. The caller may retry after RRM_NEIGHBOR_REPORT_TIMEOUT.
6162 * Request must contain a callback function.
6164 int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant
*wpa_s
,
6165 const struct wpa_ssid
*ssid
,
6166 void (*cb
)(void *ctx
,
6167 struct wpabuf
*neighbor_rep
),
6173 if (wpa_s
->wpa_state
!= WPA_COMPLETED
|| wpa_s
->current_ssid
== NULL
) {
6174 wpa_printf(MSG_DEBUG
, "RRM: No connection, no RRM.");
6178 if (!wpa_s
->rrm
.rrm_used
) {
6179 wpa_printf(MSG_DEBUG
, "RRM: No RRM in current connection.");
6183 rrm_ie
= wpa_bss_get_ie(wpa_s
->current_bss
,
6184 WLAN_EID_RRM_ENABLED_CAPABILITIES
);
6185 if (!rrm_ie
|| !(wpa_s
->current_bss
->caps
& IEEE80211_CAP_RRM
) ||
6186 !(rrm_ie
[2] & WLAN_RRM_CAPS_NEIGHBOR_REPORT
)) {
6187 wpa_printf(MSG_DEBUG
,
6188 "RRM: No network support for Neighbor Report.");
6193 wpa_printf(MSG_DEBUG
,
6194 "RRM: Neighbor Report request must provide a callback.");
6198 /* Refuse if there's a live request */
6199 if (wpa_s
->rrm
.notify_neighbor_rep
) {
6200 wpa_printf(MSG_DEBUG
,
6201 "RRM: Currently handling previous Neighbor Report.");
6205 /* 3 = action category + action code + dialog token */
6206 buf
= wpabuf_alloc(3 + (ssid
? 2 + ssid
->ssid_len
: 0));
6208 wpa_printf(MSG_DEBUG
,
6209 "RRM: Failed to allocate Neighbor Report Request");
6213 wpa_printf(MSG_DEBUG
, "RRM: Neighbor report request (for %s), token=%d",
6214 (ssid
? wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
) : ""),
6215 wpa_s
->rrm
.next_neighbor_rep_token
);
6217 wpabuf_put_u8(buf
, WLAN_ACTION_RADIO_MEASUREMENT
);
6218 wpabuf_put_u8(buf
, WLAN_RRM_NEIGHBOR_REPORT_REQUEST
);
6219 wpabuf_put_u8(buf
, wpa_s
->rrm
.next_neighbor_rep_token
);
6221 wpabuf_put_u8(buf
, WLAN_EID_SSID
);
6222 wpabuf_put_u8(buf
, ssid
->ssid_len
);
6223 wpabuf_put_data(buf
, ssid
->ssid
, ssid
->ssid_len
);
6226 wpa_s
->rrm
.next_neighbor_rep_token
++;
6228 if (wpa_drv_send_action(wpa_s
, wpa_s
->assoc_freq
, 0, wpa_s
->bssid
,
6229 wpa_s
->own_addr
, wpa_s
->bssid
,
6230 wpabuf_head(buf
), wpabuf_len(buf
), 0) < 0) {
6231 wpa_printf(MSG_DEBUG
,
6232 "RRM: Failed to send Neighbor Report Request");
6237 wpa_s
->rrm
.neighbor_rep_cb_ctx
= cb_ctx
;
6238 wpa_s
->rrm
.notify_neighbor_rep
= cb
;
6239 eloop_register_timeout(RRM_NEIGHBOR_REPORT_TIMEOUT
, 0,
6240 wpas_rrm_neighbor_rep_timeout_handler
,
6248 void wpas_rrm_handle_link_measurement_request(struct wpa_supplicant
*wpa_s
,
6250 const u8
*frame
, size_t len
,
6254 const struct rrm_link_measurement_request
*req
;
6255 struct rrm_link_measurement_report report
;
6257 if (wpa_s
->wpa_state
!= WPA_COMPLETED
) {
6258 wpa_printf(MSG_INFO
,
6259 "RRM: Ignoring link measurement request. Not associated");
6263 if (!wpa_s
->rrm
.rrm_used
) {
6264 wpa_printf(MSG_INFO
,
6265 "RRM: Ignoring link measurement request. Not RRM network");
6269 if (!(wpa_s
->drv_rrm_flags
& WPA_DRIVER_FLAGS_TX_POWER_INSERTION
)) {
6270 wpa_printf(MSG_INFO
,
6271 "RRM: Measurement report failed. TX power insertion not supported");
6275 req
= (const struct rrm_link_measurement_request
*) frame
;
6276 if (len
< sizeof(*req
)) {
6277 wpa_printf(MSG_INFO
,
6278 "RRM: Link measurement report failed. Request too short");
6282 os_memset(&report
, 0, sizeof(report
));
6283 report
.tpc
.eid
= WLAN_EID_TPC_REPORT
;
6285 report
.rsni
= 255; /* 255 indicates that RSNI is not available */
6286 report
.dialog_token
= req
->dialog_token
;
6289 * It's possible to estimate RCPI based on RSSI in dBm. This
6290 * calculation will not reflect the correct value for high rates,
6291 * but it's good enough for Action frames which are transmitted
6292 * with up to 24 Mbps rates.
6295 report
.rcpi
= 255; /* not available */
6296 else if (rssi
< -110)
6301 report
.rcpi
= (rssi
+ 110) * 2;
6303 /* action_category + action_code */
6304 buf
= wpabuf_alloc(2 + sizeof(report
));
6306 wpa_printf(MSG_ERROR
,
6307 "RRM: Link measurement report failed. Buffer allocation failed");
6311 wpabuf_put_u8(buf
, WLAN_ACTION_RADIO_MEASUREMENT
);
6312 wpabuf_put_u8(buf
, WLAN_RRM_LINK_MEASUREMENT_REPORT
);
6313 wpabuf_put_data(buf
, &report
, sizeof(report
));
6314 wpa_hexdump(MSG_DEBUG
, "RRM: Link measurement report:",
6315 wpabuf_head(buf
), wpabuf_len(buf
));
6317 if (wpa_drv_send_action(wpa_s
, wpa_s
->assoc_freq
, 0, src
,
6318 wpa_s
->own_addr
, wpa_s
->bssid
,
6319 wpabuf_head(buf
), wpabuf_len(buf
), 0)) {
6320 wpa_printf(MSG_ERROR
,
6321 "RRM: Link measurement report failed. Send action failed");
6327 struct wpa_supplicant
*
6328 wpas_vendor_elem(struct wpa_supplicant
*wpa_s
, enum wpa_vendor_elem_frame frame
)
6332 case VENDOR_ELEM_PROBE_REQ_P2P
:
6333 case VENDOR_ELEM_PROBE_RESP_P2P
:
6334 case VENDOR_ELEM_PROBE_RESP_P2P_GO
:
6335 case VENDOR_ELEM_BEACON_P2P_GO
:
6336 case VENDOR_ELEM_P2P_PD_REQ
:
6337 case VENDOR_ELEM_P2P_PD_RESP
:
6338 case VENDOR_ELEM_P2P_GO_NEG_REQ
:
6339 case VENDOR_ELEM_P2P_GO_NEG_RESP
:
6340 case VENDOR_ELEM_P2P_GO_NEG_CONF
:
6341 case VENDOR_ELEM_P2P_INV_REQ
:
6342 case VENDOR_ELEM_P2P_INV_RESP
:
6343 case VENDOR_ELEM_P2P_ASSOC_REQ
:
6344 case VENDOR_ELEM_P2P_ASSOC_RESP
:
6345 return wpa_s
->p2pdev
;
6346 #endif /* CONFIG_P2P */
6353 void wpas_vendor_elem_update(struct wpa_supplicant
*wpa_s
)
6358 wpa_printf(MSG_DEBUG
, "Update vendor elements");
6360 for (i
= 0; i
< NUM_VENDOR_ELEM_FRAMES
; i
++) {
6361 if (wpa_s
->vendor_elem
[i
]) {
6364 res
= os_snprintf(buf
, sizeof(buf
), "frame[%u]", i
);
6365 if (!os_snprintf_error(sizeof(buf
), res
)) {
6366 wpa_hexdump_buf(MSG_DEBUG
, buf
,
6367 wpa_s
->vendor_elem
[i
]);
6373 if (wpa_s
->parent
== wpa_s
&&
6374 wpa_s
->global
->p2p
&&
6375 !wpa_s
->global
->p2p_disabled
)
6376 p2p_set_vendor_elems(wpa_s
->global
->p2p
, wpa_s
->vendor_elem
);
6377 #endif /* CONFIG_P2P */
6381 int wpas_vendor_elem_remove(struct wpa_supplicant
*wpa_s
, int frame
,
6382 const u8
*elem
, size_t len
)
6386 ie
= wpabuf_mhead_u8(wpa_s
->vendor_elem
[frame
]);
6387 end
= ie
+ wpabuf_len(wpa_s
->vendor_elem
[frame
]);
6389 for (; ie
+ 1 < end
; ie
+= 2 + ie
[1]) {
6392 if (os_memcmp(ie
, elem
, len
) != 0)
6395 if (wpabuf_len(wpa_s
->vendor_elem
[frame
]) == len
) {
6396 wpabuf_free(wpa_s
->vendor_elem
[frame
]);
6397 wpa_s
->vendor_elem
[frame
] = NULL
;
6399 os_memmove(ie
, ie
+ len
, end
- (ie
+ len
));
6400 wpa_s
->vendor_elem
[frame
]->used
-= len
;
6402 wpas_vendor_elem_update(wpa_s
);
6410 struct hostapd_hw_modes
* get_mode(struct hostapd_hw_modes
*modes
,
6411 u16 num_modes
, enum hostapd_hw_mode mode
)
6415 for (i
= 0; i
< num_modes
; i
++) {
6416 if (modes
[i
].mode
== mode
)
6425 wpa_bss_tmp_disallowed
* wpas_get_disallowed_bss(struct wpa_supplicant
*wpa_s
,
6428 struct wpa_bss_tmp_disallowed
*bss
;
6430 dl_list_for_each(bss
, &wpa_s
->bss_tmp_disallowed
,
6431 struct wpa_bss_tmp_disallowed
, list
) {
6432 if (os_memcmp(bssid
, bss
->bssid
, ETH_ALEN
) == 0)
6440 void wpa_bss_tmp_disallow(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
6443 struct wpa_bss_tmp_disallowed
*bss
;
6444 struct os_reltime until
;
6446 os_get_reltime(&until
);
6449 bss
= wpas_get_disallowed_bss(wpa_s
, bssid
);
6451 bss
->disallowed_until
= until
;
6455 bss
= os_malloc(sizeof(*bss
));
6457 wpa_printf(MSG_DEBUG
,
6458 "Failed to allocate memory for temp disallow BSS");
6462 bss
->disallowed_until
= until
;
6463 os_memcpy(bss
->bssid
, bssid
, ETH_ALEN
);
6464 dl_list_add(&wpa_s
->bss_tmp_disallowed
, &bss
->list
);
6468 int wpa_is_bss_tmp_disallowed(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
6470 struct wpa_bss_tmp_disallowed
*bss
= NULL
, *tmp
, *prev
;
6471 struct os_reltime now
, age
;
6473 os_get_reltime(&now
);
6475 dl_list_for_each_safe(tmp
, prev
, &wpa_s
->bss_tmp_disallowed
,
6476 struct wpa_bss_tmp_disallowed
, list
) {
6477 if (!os_reltime_before(&now
, &tmp
->disallowed_until
)) {
6478 /* This BSS is not disallowed anymore */
6479 dl_list_del(&tmp
->list
);
6483 if (os_memcmp(bssid
, tmp
->bssid
, ETH_ALEN
) == 0) {
6491 os_reltime_sub(&bss
->disallowed_until
, &now
, &age
);
6492 wpa_printf(MSG_DEBUG
,
6493 "BSS " MACSTR
" disabled for %ld.%0ld seconds",
6494 MAC2STR(bss
->bssid
), age
.sec
, age
.usec
);