3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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.
16 #include "crypto/random.h"
17 #include "crypto/sha1.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "eap_peer/eap.h"
20 #include "eap_server/eap_methods.h"
21 #include "rsn_supp/wpa.h"
24 #include "utils/ext_password.h"
25 #include "l2_packet/l2_packet.h"
26 #include "wpa_supplicant_i.h"
28 #include "ctrl_iface.h"
29 #include "pcsc_funcs.h"
30 #include "common/version.h"
31 #include "rsn_supp/preauth.h"
32 #include "rsn_supp/pmksa_cache.h"
33 #include "common/wpa_ctrl.h"
34 #include "common/ieee802_11_defs.h"
36 #include "blacklist.h"
37 #include "wpas_glue.h"
38 #include "wps_supplicant.h"
41 #include "gas_query.h"
43 #include "p2p_supplicant.h"
44 #include "wifi_display.h"
50 #include "offchannel.h"
51 #include "hs20_supplicant.h"
53 const char *wpa_supplicant_version
=
54 "wpa_supplicant v" VERSION_STR
"\n"
55 "Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> and contributors";
57 const char *wpa_supplicant_license
=
58 "This software may be distributed under the terms of the BSD license.\n"
59 "See README for more details.\n"
60 #ifdef EAP_TLS_OPENSSL
61 "\nThis product includes software developed by the OpenSSL Project\n"
62 "for use in the OpenSSL Toolkit (http://www.openssl.org/)\n"
63 #endif /* EAP_TLS_OPENSSL */
66 #ifndef CONFIG_NO_STDOUT_DEBUG
67 /* Long text divided into parts in order to fit in C89 strings size limits. */
68 const char *wpa_supplicant_full_license1
=
70 const char *wpa_supplicant_full_license2
=
71 "This software may be distributed under the terms of the BSD license.\n"
73 "Redistribution and use in source and binary forms, with or without\n"
74 "modification, are permitted provided that the following conditions are\n"
77 const char *wpa_supplicant_full_license3
=
78 "1. Redistributions of source code must retain the above copyright\n"
79 " notice, this list of conditions and the following disclaimer.\n"
81 "2. Redistributions in binary form must reproduce the above copyright\n"
82 " notice, this list of conditions and the following disclaimer in the\n"
83 " documentation and/or other materials provided with the distribution.\n"
85 const char *wpa_supplicant_full_license4
=
86 "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
87 " names of its contributors may be used to endorse or promote products\n"
88 " derived from this software without specific prior written permission.\n"
90 "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
91 "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
92 "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
93 "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n";
94 const char *wpa_supplicant_full_license5
=
95 "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
96 "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
97 "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
98 "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
99 "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
100 "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
101 "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
103 #endif /* CONFIG_NO_STDOUT_DEBUG */
105 extern int wpa_debug_level
;
106 extern int wpa_debug_show_keys
;
107 extern int wpa_debug_timestamp
;
108 extern struct wpa_driver_ops
*wpa_drivers
[];
110 /* Configure default/group WEP keys for static WEP */
111 int wpa_set_wep_keys(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
115 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
116 if (ssid
->wep_key_len
[i
] == 0)
120 wpa_drv_set_key(wpa_s
, WPA_ALG_WEP
, NULL
,
121 i
, i
== ssid
->wep_tx_keyidx
, NULL
, 0,
122 ssid
->wep_key
[i
], ssid
->wep_key_len
[i
]);
129 static int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant
*wpa_s
,
130 struct wpa_ssid
*ssid
)
137 /* IBSS/WPA-None uses only one key (Group) for both receiving and
138 * sending unicast and multicast packets. */
140 if (ssid
->mode
!= WPAS_MODE_IBSS
) {
141 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Invalid mode %d (not "
142 "IBSS/ad-hoc) for WPA-None", ssid
->mode
);
146 if (!ssid
->psk_set
) {
147 wpa_msg(wpa_s
, MSG_INFO
, "WPA: No PSK configured for "
152 switch (wpa_s
->group_cipher
) {
153 case WPA_CIPHER_CCMP
:
154 os_memcpy(key
, ssid
->psk
, 16);
158 case WPA_CIPHER_GCMP
:
159 os_memcpy(key
, ssid
->psk
, 16);
163 case WPA_CIPHER_TKIP
:
164 /* WPA-None uses the same Michael MIC key for both TX and RX */
165 os_memcpy(key
, ssid
->psk
, 16 + 8);
166 os_memcpy(key
+ 16 + 8, ssid
->psk
+ 16, 8);
171 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Invalid group cipher %d for "
172 "WPA-None", wpa_s
->group_cipher
);
176 /* TODO: should actually remember the previously used seq#, both for TX
177 * and RX from each STA.. */
179 return wpa_drv_set_key(wpa_s
, alg
, NULL
, 0, 1, seq
, 6, key
, keylen
);
183 static void wpa_supplicant_timeout(void *eloop_ctx
, void *timeout_ctx
)
185 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
186 const u8
*bssid
= wpa_s
->bssid
;
187 if (is_zero_ether_addr(bssid
))
188 bssid
= wpa_s
->pending_bssid
;
189 wpa_msg(wpa_s
, MSG_INFO
, "Authentication with " MACSTR
" timed out.",
191 wpa_blacklist_add(wpa_s
, bssid
);
192 wpa_sm_notify_disassoc(wpa_s
->wpa
);
193 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
194 wpa_s
->reassociate
= 1;
197 * If we timed out, the AP or the local radio may be busy.
198 * So, wait a second until scanning again.
200 wpa_supplicant_req_scan(wpa_s
, 1, 0);
203 if (wpa_s
->global
->p2p_cb_on_scan_complete
&& !wpa_s
->global
->p2p_disabled
&&
204 wpa_s
->global
->p2p
!= NULL
) {
205 wpa_s
->global
->p2p_cb_on_scan_complete
= 0;
206 if (p2p_other_scan_completed(wpa_s
->global
->p2p
) == 1) {
207 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Pending P2P operation "
208 "continued after timed out authentication");
211 #endif /* CONFIG_P2P */
216 * wpa_supplicant_req_auth_timeout - Schedule a timeout for authentication
217 * @wpa_s: Pointer to wpa_supplicant data
218 * @sec: Number of seconds after which to time out authentication
219 * @usec: Number of microseconds after which to time out authentication
221 * This function is used to schedule a timeout for the current authentication
224 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant
*wpa_s
,
227 if (wpa_s
->conf
&& wpa_s
->conf
->ap_scan
== 0 &&
228 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
))
231 wpa_dbg(wpa_s
, MSG_DEBUG
, "Setting authentication timeout: %d sec "
232 "%d usec", sec
, usec
);
233 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
234 eloop_register_timeout(sec
, usec
, wpa_supplicant_timeout
, wpa_s
, NULL
);
239 * wpa_supplicant_cancel_auth_timeout - Cancel authentication timeout
240 * @wpa_s: Pointer to wpa_supplicant data
242 * This function is used to cancel authentication timeout scheduled with
243 * wpa_supplicant_req_auth_timeout() and it is called when authentication has
246 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant
*wpa_s
)
248 wpa_dbg(wpa_s
, MSG_DEBUG
, "Cancelling authentication timeout");
249 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
250 wpa_blacklist_del(wpa_s
, wpa_s
->bssid
);
255 * wpa_supplicant_initiate_eapol - Configure EAPOL state machine
256 * @wpa_s: Pointer to wpa_supplicant data
258 * This function is used to configure EAPOL state machine based on the selected
259 * authentication mode.
261 void wpa_supplicant_initiate_eapol(struct wpa_supplicant
*wpa_s
)
263 #ifdef IEEE8021X_EAPOL
264 struct eapol_config eapol_conf
;
265 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
267 #ifdef CONFIG_IBSS_RSN
268 if (ssid
->mode
== WPAS_MODE_IBSS
&&
269 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
270 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
) {
272 * RSN IBSS authentication is per-STA and we can disable the
273 * per-BSSID EAPOL authentication.
275 eapol_sm_notify_portControl(wpa_s
->eapol
, ForceAuthorized
);
276 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
277 eapol_sm_notify_eap_fail(wpa_s
->eapol
, FALSE
);
280 #endif /* CONFIG_IBSS_RSN */
282 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
283 eapol_sm_notify_eap_fail(wpa_s
->eapol
, FALSE
);
285 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
286 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
)
287 eapol_sm_notify_portControl(wpa_s
->eapol
, ForceAuthorized
);
289 eapol_sm_notify_portControl(wpa_s
->eapol
, Auto
);
291 os_memset(&eapol_conf
, 0, sizeof(eapol_conf
));
292 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
293 eapol_conf
.accept_802_1x_keys
= 1;
294 eapol_conf
.required_keys
= 0;
295 if (ssid
->eapol_flags
& EAPOL_FLAG_REQUIRE_KEY_UNICAST
) {
296 eapol_conf
.required_keys
|= EAPOL_REQUIRE_KEY_UNICAST
;
298 if (ssid
->eapol_flags
& EAPOL_FLAG_REQUIRE_KEY_BROADCAST
) {
299 eapol_conf
.required_keys
|=
300 EAPOL_REQUIRE_KEY_BROADCAST
;
303 if (wpa_s
->conf
&& (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
))
304 eapol_conf
.required_keys
= 0;
307 eapol_conf
.fast_reauth
= wpa_s
->conf
->fast_reauth
;
308 eapol_conf
.workaround
= ssid
->eap_workaround
;
309 eapol_conf
.eap_disabled
=
310 !wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) &&
311 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
312 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPS
;
313 eapol_sm_notify_config(wpa_s
->eapol
, &ssid
->eap
, &eapol_conf
);
314 #endif /* IEEE8021X_EAPOL */
319 * wpa_supplicant_set_non_wpa_policy - Set WPA parameters to non-WPA mode
320 * @wpa_s: Pointer to wpa_supplicant data
321 * @ssid: Configuration data for the network
323 * This function is used to configure WPA state machine and related parameters
324 * to a mode where WPA is not enabled. This is called as part of the
325 * authentication configuration when the selected network does not use WPA.
327 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant
*wpa_s
,
328 struct wpa_ssid
*ssid
)
332 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)
333 wpa_s
->key_mgmt
= WPA_KEY_MGMT_WPS
;
334 else if (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)
335 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_NO_WPA
;
337 wpa_s
->key_mgmt
= WPA_KEY_MGMT_NONE
;
338 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, NULL
, 0);
339 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, NULL
, 0);
340 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
341 wpa_s
->pairwise_cipher
= WPA_CIPHER_NONE
;
342 wpa_s
->group_cipher
= WPA_CIPHER_NONE
;
343 wpa_s
->mgmt_group_cipher
= 0;
345 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
346 if (ssid
->wep_key_len
[i
] > 5) {
347 wpa_s
->pairwise_cipher
= WPA_CIPHER_WEP104
;
348 wpa_s
->group_cipher
= WPA_CIPHER_WEP104
;
350 } else if (ssid
->wep_key_len
[i
] > 0) {
351 wpa_s
->pairwise_cipher
= WPA_CIPHER_WEP40
;
352 wpa_s
->group_cipher
= WPA_CIPHER_WEP40
;
357 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_RSN_ENABLED
, 0);
358 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_KEY_MGMT
, wpa_s
->key_mgmt
);
359 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PAIRWISE
,
360 wpa_s
->pairwise_cipher
);
361 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_GROUP
, wpa_s
->group_cipher
);
362 #ifdef CONFIG_IEEE80211W
363 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MGMT_GROUP
,
364 wpa_s
->mgmt_group_cipher
);
365 #endif /* CONFIG_IEEE80211W */
367 pmksa_cache_clear_current(wpa_s
->wpa
);
371 void free_hw_features(struct wpa_supplicant
*wpa_s
)
374 if (wpa_s
->hw
.modes
== NULL
)
377 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
378 os_free(wpa_s
->hw
.modes
[i
].channels
);
379 os_free(wpa_s
->hw
.modes
[i
].rates
);
382 os_free(wpa_s
->hw
.modes
);
383 wpa_s
->hw
.modes
= NULL
;
387 static void wpa_supplicant_cleanup(struct wpa_supplicant
*wpa_s
)
389 bgscan_deinit(wpa_s
);
390 autoscan_deinit(wpa_s
);
391 scard_deinit(wpa_s
->scard
);
393 wpa_sm_set_scard_ctx(wpa_s
->wpa
, NULL
);
394 eapol_sm_register_scard_ctx(wpa_s
->eapol
, NULL
);
395 l2_packet_deinit(wpa_s
->l2
);
398 l2_packet_deinit(wpa_s
->l2_br
);
402 if (wpa_s
->conf
!= NULL
) {
403 struct wpa_ssid
*ssid
;
404 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
405 wpas_notify_network_removed(wpa_s
, ssid
);
408 os_free(wpa_s
->confname
);
409 wpa_s
->confname
= NULL
;
411 wpa_sm_set_eapol(wpa_s
->wpa
, NULL
);
412 eapol_sm_deinit(wpa_s
->eapol
);
415 rsn_preauth_deinit(wpa_s
->wpa
);
418 wpa_tdls_deinit(wpa_s
->wpa
);
419 #endif /* CONFIG_TDLS */
421 pmksa_candidate_free(wpa_s
->wpa
);
422 wpa_sm_deinit(wpa_s
->wpa
);
424 wpa_blacklist_clear(wpa_s
);
426 wpa_bss_deinit(wpa_s
);
428 wpa_supplicant_cancel_scan(wpa_s
);
429 wpa_supplicant_cancel_auth_timeout(wpa_s
);
430 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures
, wpa_s
, NULL
);
431 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
432 eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report
,
434 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
436 wpas_wps_deinit(wpa_s
);
438 wpabuf_free(wpa_s
->pending_eapol_rx
);
439 wpa_s
->pending_eapol_rx
= NULL
;
441 #ifdef CONFIG_IBSS_RSN
442 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
443 wpa_s
->ibss_rsn
= NULL
;
444 #endif /* CONFIG_IBSS_RSN */
449 wpa_supplicant_ap_deinit(wpa_s
);
450 #endif /* CONFIG_AP */
453 wpas_p2p_deinit(wpa_s
);
454 #endif /* CONFIG_P2P */
456 #ifdef CONFIG_OFFCHANNEL
457 offchannel_deinit(wpa_s
);
458 #endif /* CONFIG_OFFCHANNEL */
460 wpa_supplicant_cancel_sched_scan(wpa_s
);
462 os_free(wpa_s
->next_scan_freqs
);
463 wpa_s
->next_scan_freqs
= NULL
;
465 gas_query_deinit(wpa_s
->gas
);
468 free_hw_features(wpa_s
);
470 os_free(wpa_s
->bssid_filter
);
471 wpa_s
->bssid_filter
= NULL
;
473 os_free(wpa_s
->disallow_aps_bssid
);
474 wpa_s
->disallow_aps_bssid
= NULL
;
475 os_free(wpa_s
->disallow_aps_ssid
);
476 wpa_s
->disallow_aps_ssid
= NULL
;
478 wnm_bss_keep_alive_deinit(wpa_s
);
480 ext_password_deinit(wpa_s
->ext_pw
);
481 wpa_s
->ext_pw
= NULL
;
483 wpabuf_free(wpa_s
->last_gas_resp
);
485 os_free(wpa_s
->last_scan_res
);
486 wpa_s
->last_scan_res
= NULL
;
491 * wpa_clear_keys - Clear keys configured for the driver
492 * @wpa_s: Pointer to wpa_supplicant data
493 * @addr: Previously used BSSID or %NULL if not available
495 * This function clears the encryption keys that has been previously configured
498 void wpa_clear_keys(struct wpa_supplicant
*wpa_s
, const u8
*addr
)
500 if (wpa_s
->keys_cleared
) {
501 /* Some drivers (e.g., ndiswrapper & NDIS drivers) seem to have
502 * timing issues with keys being cleared just before new keys
503 * are set or just after association or something similar. This
504 * shows up in group key handshake failing often because of the
505 * client not receiving the first encrypted packets correctly.
506 * Skipping some of the extra key clearing steps seems to help
507 * in completing group key handshake more reliably. */
508 wpa_dbg(wpa_s
, MSG_DEBUG
, "No keys have been configured - "
509 "skip key clearing");
513 /* MLME-DELETEKEYS.request */
514 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, 0, 0, NULL
, 0, NULL
, 0);
515 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, 1, 0, NULL
, 0, NULL
, 0);
516 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, 2, 0, NULL
, 0, NULL
, 0);
517 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, 3, 0, NULL
, 0, NULL
, 0);
518 #ifdef CONFIG_IEEE80211W
519 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, 4, 0, NULL
, 0, NULL
, 0);
520 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, NULL
, 5, 0, NULL
, 0, NULL
, 0);
521 #endif /* CONFIG_IEEE80211W */
523 wpa_drv_set_key(wpa_s
, WPA_ALG_NONE
, addr
, 0, 0, NULL
, 0, NULL
,
525 /* MLME-SETPROTECTION.request(None) */
526 wpa_drv_mlme_setprotection(
528 MLME_SETPROTECTION_PROTECT_TYPE_NONE
,
529 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE
);
531 wpa_s
->keys_cleared
= 1;
536 * wpa_supplicant_state_txt - Get the connection state name as a text string
537 * @state: State (wpa_state; WPA_*)
538 * Returns: The state name as a printable text string
540 const char * wpa_supplicant_state_txt(enum wpa_states state
)
543 case WPA_DISCONNECTED
:
544 return "DISCONNECTED";
547 case WPA_INTERFACE_DISABLED
:
548 return "INTERFACE_DISABLED";
551 case WPA_AUTHENTICATING
:
552 return "AUTHENTICATING";
553 case WPA_ASSOCIATING
:
554 return "ASSOCIATING";
557 case WPA_4WAY_HANDSHAKE
:
558 return "4WAY_HANDSHAKE";
559 case WPA_GROUP_HANDSHAKE
:
560 return "GROUP_HANDSHAKE";
571 static void wpa_supplicant_start_bgscan(struct wpa_supplicant
*wpa_s
)
573 if (wpas_driver_bss_selection(wpa_s
))
575 if (wpa_s
->current_ssid
== wpa_s
->bgscan_ssid
)
578 bgscan_deinit(wpa_s
);
579 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->bgscan
) {
580 if (bgscan_init(wpa_s
, wpa_s
->current_ssid
)) {
581 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize "
584 * Live without bgscan; it is only used as a roaming
585 * optimization, so the initial connection is not
589 struct wpa_scan_results
*scan_res
;
590 wpa_s
->bgscan_ssid
= wpa_s
->current_ssid
;
591 scan_res
= wpa_supplicant_get_scan_results(wpa_s
, NULL
,
594 bgscan_notify_scan(wpa_s
, scan_res
);
595 wpa_scan_results_free(scan_res
);
599 wpa_s
->bgscan_ssid
= NULL
;
603 static void wpa_supplicant_stop_bgscan(struct wpa_supplicant
*wpa_s
)
605 if (wpa_s
->bgscan_ssid
!= NULL
) {
606 bgscan_deinit(wpa_s
);
607 wpa_s
->bgscan_ssid
= NULL
;
611 #endif /* CONFIG_BGSCAN */
614 static void wpa_supplicant_start_autoscan(struct wpa_supplicant
*wpa_s
)
616 if (autoscan_init(wpa_s
, 0))
617 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize autoscan");
621 static void wpa_supplicant_stop_autoscan(struct wpa_supplicant
*wpa_s
)
623 autoscan_deinit(wpa_s
);
627 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant
*wpa_s
)
629 if (wpa_s
->wpa_state
== WPA_DISCONNECTED
||
630 wpa_s
->wpa_state
== WPA_SCANNING
) {
631 autoscan_deinit(wpa_s
);
632 wpa_supplicant_start_autoscan(wpa_s
);
638 * wpa_supplicant_set_state - Set current connection state
639 * @wpa_s: Pointer to wpa_supplicant data
640 * @state: The new connection state
642 * This function is called whenever the connection state changes, e.g.,
643 * association is completed for WPA/WPA2 4-Way Handshake is started.
645 void wpa_supplicant_set_state(struct wpa_supplicant
*wpa_s
,
646 enum wpa_states state
)
648 enum wpa_states old_state
= wpa_s
->wpa_state
;
650 wpa_dbg(wpa_s
, MSG_DEBUG
, "State: %s -> %s",
651 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
652 wpa_supplicant_state_txt(state
));
654 if (state
!= WPA_SCANNING
)
655 wpa_supplicant_notify_scanning(wpa_s
, 0);
657 if (state
== WPA_COMPLETED
&& wpa_s
->new_connection
) {
658 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
659 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
660 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_CONNECTED
"- Connection to "
661 MACSTR
" completed %s [id=%d id_str=%s]",
662 MAC2STR(wpa_s
->bssid
), wpa_s
->reassociated_connection
?
663 "(reauth)" : "(auth)",
664 ssid
? ssid
->id
: -1,
665 ssid
&& ssid
->id_str
? ssid
->id_str
: "");
666 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
667 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
668 wpa_s
->extra_blacklist_count
= 0;
669 wpa_s
->new_connection
= 0;
670 wpa_s
->reassociated_connection
= 1;
671 wpa_drv_set_operstate(wpa_s
, 1);
672 #ifndef IEEE8021X_EAPOL
673 wpa_drv_set_supp_port(wpa_s
, 1);
674 #endif /* IEEE8021X_EAPOL */
675 wpa_s
->after_wps
= 0;
677 wpas_p2p_completed(wpa_s
);
678 #endif /* CONFIG_P2P */
680 sme_sched_obss_scan(wpa_s
, 1);
681 } else if (state
== WPA_DISCONNECTED
|| state
== WPA_ASSOCIATING
||
682 state
== WPA_ASSOCIATED
) {
683 wpa_s
->new_connection
= 1;
684 wpa_drv_set_operstate(wpa_s
, 0);
685 #ifndef IEEE8021X_EAPOL
686 wpa_drv_set_supp_port(wpa_s
, 0);
687 #endif /* IEEE8021X_EAPOL */
688 sme_sched_obss_scan(wpa_s
, 0);
690 wpa_s
->wpa_state
= state
;
693 if (state
== WPA_COMPLETED
)
694 wpa_supplicant_start_bgscan(wpa_s
);
696 wpa_supplicant_stop_bgscan(wpa_s
);
697 #endif /* CONFIG_BGSCAN */
699 if (state
== WPA_AUTHENTICATING
)
700 wpa_supplicant_stop_autoscan(wpa_s
);
702 if (state
== WPA_DISCONNECTED
|| state
== WPA_INACTIVE
)
703 wpa_supplicant_start_autoscan(wpa_s
);
705 if (wpa_s
->wpa_state
!= old_state
) {
706 wpas_notify_state_changed(wpa_s
, wpa_s
->wpa_state
, old_state
);
708 if (wpa_s
->wpa_state
== WPA_COMPLETED
||
709 old_state
== WPA_COMPLETED
)
710 wpas_notify_auth_changed(wpa_s
);
715 void wpa_supplicant_terminate_proc(struct wpa_global
*global
)
719 struct wpa_supplicant
*wpa_s
= global
->ifaces
;
721 if (wpas_wps_terminate_pending(wpa_s
) == 1)
725 #endif /* CONFIG_WPS */
732 static void wpa_supplicant_terminate(int sig
, void *signal_ctx
)
734 struct wpa_global
*global
= signal_ctx
;
735 wpa_supplicant_terminate_proc(global
);
739 void wpa_supplicant_clear_status(struct wpa_supplicant
*wpa_s
)
741 enum wpa_states old_state
= wpa_s
->wpa_state
;
743 wpa_s
->pairwise_cipher
= 0;
744 wpa_s
->group_cipher
= 0;
745 wpa_s
->mgmt_group_cipher
= 0;
747 if (wpa_s
->wpa_state
!= WPA_INTERFACE_DISABLED
)
748 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
750 if (wpa_s
->wpa_state
!= old_state
)
751 wpas_notify_state_changed(wpa_s
, wpa_s
->wpa_state
, old_state
);
756 * wpa_supplicant_reload_configuration - Reload configuration data
757 * @wpa_s: Pointer to wpa_supplicant data
758 * Returns: 0 on success or -1 if configuration parsing failed
760 * This function can be used to request that the configuration data is reloaded
761 * (e.g., after configuration file change). This function is reloading
762 * configuration only for one interface, so this may need to be called multiple
763 * times if %wpa_supplicant is controlling multiple interfaces and all
764 * interfaces need reconfiguration.
766 int wpa_supplicant_reload_configuration(struct wpa_supplicant
*wpa_s
)
768 struct wpa_config
*conf
;
772 if (wpa_s
->confname
== NULL
)
774 conf
= wpa_config_read(wpa_s
->confname
);
776 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to parse the configuration "
777 "file '%s' - exiting", wpa_s
->confname
);
780 conf
->changed_parameters
= (unsigned int) -1;
782 reconf_ctrl
= !!conf
->ctrl_interface
!= !!wpa_s
->conf
->ctrl_interface
783 || (conf
->ctrl_interface
&& wpa_s
->conf
->ctrl_interface
&&
784 os_strcmp(conf
->ctrl_interface
,
785 wpa_s
->conf
->ctrl_interface
) != 0);
787 if (reconf_ctrl
&& wpa_s
->ctrl_iface
) {
788 wpa_supplicant_ctrl_iface_deinit(wpa_s
->ctrl_iface
);
789 wpa_s
->ctrl_iface
= NULL
;
792 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
793 if (wpa_s
->current_ssid
) {
794 wpa_supplicant_deauthenticate(wpa_s
,
795 WLAN_REASON_DEAUTH_LEAVING
);
799 * TODO: should notify EAPOL SM about changes in opensc_engine_path,
800 * pkcs11_engine_path, pkcs11_module_path.
802 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
)) {
804 * Clear forced success to clear EAP state for next
807 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
809 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
810 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
811 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, NULL
);
812 wpa_sm_set_fast_reauth(wpa_s
->wpa
, wpa_s
->conf
->fast_reauth
);
813 rsn_preauth_deinit(wpa_s
->wpa
);
815 old_ap_scan
= wpa_s
->conf
->ap_scan
;
816 wpa_config_free(wpa_s
->conf
);
818 if (old_ap_scan
!= wpa_s
->conf
->ap_scan
)
819 wpas_notify_ap_scan_changed(wpa_s
);
822 wpa_s
->ctrl_iface
= wpa_supplicant_ctrl_iface_init(wpa_s
);
824 wpa_supplicant_update_config(wpa_s
);
826 wpa_supplicant_clear_status(wpa_s
);
827 if (wpa_supplicant_enabled_networks(wpa_s
)) {
828 wpa_s
->reassociate
= 1;
829 wpa_supplicant_req_scan(wpa_s
, 0, 0);
831 wpa_dbg(wpa_s
, MSG_DEBUG
, "Reconfiguration completed");
836 static void wpa_supplicant_reconfig(int sig
, void *signal_ctx
)
838 struct wpa_global
*global
= signal_ctx
;
839 struct wpa_supplicant
*wpa_s
;
840 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
841 wpa_dbg(wpa_s
, MSG_DEBUG
, "Signal %d received - reconfiguring",
843 if (wpa_supplicant_reload_configuration(wpa_s
) < 0) {
844 wpa_supplicant_terminate_proc(global
);
850 enum wpa_cipher
cipher_suite2driver(int cipher
)
853 case WPA_CIPHER_NONE
:
855 case WPA_CIPHER_WEP40
:
857 case WPA_CIPHER_WEP104
:
858 return CIPHER_WEP104
;
859 case WPA_CIPHER_CCMP
:
861 case WPA_CIPHER_GCMP
:
863 case WPA_CIPHER_TKIP
:
870 enum wpa_key_mgmt
key_mgmt2driver(int key_mgmt
)
873 case WPA_KEY_MGMT_NONE
:
874 return KEY_MGMT_NONE
;
875 case WPA_KEY_MGMT_IEEE8021X_NO_WPA
:
876 return KEY_MGMT_802_1X_NO_WPA
;
877 case WPA_KEY_MGMT_IEEE8021X
:
878 return KEY_MGMT_802_1X
;
879 case WPA_KEY_MGMT_WPA_NONE
:
880 return KEY_MGMT_WPA_NONE
;
881 case WPA_KEY_MGMT_FT_IEEE8021X
:
882 return KEY_MGMT_FT_802_1X
;
883 case WPA_KEY_MGMT_FT_PSK
:
884 return KEY_MGMT_FT_PSK
;
885 case WPA_KEY_MGMT_IEEE8021X_SHA256
:
886 return KEY_MGMT_802_1X_SHA256
;
887 case WPA_KEY_MGMT_PSK_SHA256
:
888 return KEY_MGMT_PSK_SHA256
;
889 case WPA_KEY_MGMT_WPS
:
891 case WPA_KEY_MGMT_PSK
:
898 static int wpa_supplicant_suites_from_ai(struct wpa_supplicant
*wpa_s
,
899 struct wpa_ssid
*ssid
,
900 struct wpa_ie_data
*ie
)
902 int ret
= wpa_sm_parse_own_wpa_ie(wpa_s
->wpa
, ie
);
905 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Failed to parse WPA IE "
906 "from association info");
911 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Using WPA IE from AssocReq to set "
913 if (!(ie
->group_cipher
& ssid
->group_cipher
)) {
914 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled group "
915 "cipher 0x%x (mask 0x%x) - reject",
916 ie
->group_cipher
, ssid
->group_cipher
);
919 if (!(ie
->pairwise_cipher
& ssid
->pairwise_cipher
)) {
920 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled pairwise "
921 "cipher 0x%x (mask 0x%x) - reject",
922 ie
->pairwise_cipher
, ssid
->pairwise_cipher
);
925 if (!(ie
->key_mgmt
& ssid
->key_mgmt
)) {
926 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver used disabled key "
927 "management 0x%x (mask 0x%x) - reject",
928 ie
->key_mgmt
, ssid
->key_mgmt
);
932 #ifdef CONFIG_IEEE80211W
933 if (!(ie
->capabilities
& WPA_CAPABILITY_MFPC
) &&
934 (ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
?
935 wpa_s
->conf
->pmf
: ssid
->ieee80211w
) ==
936 MGMT_FRAME_PROTECTION_REQUIRED
) {
937 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Driver associated with an AP "
938 "that does not support management frame protection - "
942 #endif /* CONFIG_IEEE80211W */
949 * wpa_supplicant_set_suites - Set authentication and encryption parameters
950 * @wpa_s: Pointer to wpa_supplicant data
951 * @bss: Scan results for the selected BSS, or %NULL if not available
952 * @ssid: Configuration data for the selected network
953 * @wpa_ie: Buffer for the WPA/RSN IE
954 * @wpa_ie_len: Maximum wpa_ie buffer size on input. This is changed to be the
955 * used buffer length in case the functions returns success.
956 * Returns: 0 on success or -1 on failure
958 * This function is used to configure authentication and encryption parameters
959 * based on the network configuration and scan result for the selected BSS (if
962 int wpa_supplicant_set_suites(struct wpa_supplicant
*wpa_s
,
963 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
,
964 u8
*wpa_ie
, size_t *wpa_ie_len
)
966 struct wpa_ie_data ie
;
968 const u8
*bss_wpa
, *bss_rsn
;
971 bss_wpa
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
972 bss_rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
974 bss_wpa
= bss_rsn
= NULL
;
976 if (bss_rsn
&& (ssid
->proto
& WPA_PROTO_RSN
) &&
977 wpa_parse_wpa_ie(bss_rsn
, 2 + bss_rsn
[1], &ie
) == 0 &&
978 (ie
.group_cipher
& ssid
->group_cipher
) &&
979 (ie
.pairwise_cipher
& ssid
->pairwise_cipher
) &&
980 (ie
.key_mgmt
& ssid
->key_mgmt
)) {
981 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using IEEE 802.11i/D9.0");
982 proto
= WPA_PROTO_RSN
;
983 } else if (bss_wpa
&& (ssid
->proto
& WPA_PROTO_WPA
) &&
984 wpa_parse_wpa_ie(bss_wpa
, 2 +bss_wpa
[1], &ie
) == 0 &&
985 (ie
.group_cipher
& ssid
->group_cipher
) &&
986 (ie
.pairwise_cipher
& ssid
->pairwise_cipher
) &&
987 (ie
.key_mgmt
& ssid
->key_mgmt
)) {
988 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using IEEE 802.11i/D3.0");
989 proto
= WPA_PROTO_WPA
;
991 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select WPA/RSN");
994 if (ssid
->proto
& WPA_PROTO_RSN
)
995 proto
= WPA_PROTO_RSN
;
997 proto
= WPA_PROTO_WPA
;
998 if (wpa_supplicant_suites_from_ai(wpa_s
, ssid
, &ie
) < 0) {
999 os_memset(&ie
, 0, sizeof(ie
));
1000 ie
.group_cipher
= ssid
->group_cipher
;
1001 ie
.pairwise_cipher
= ssid
->pairwise_cipher
;
1002 ie
.key_mgmt
= ssid
->key_mgmt
;
1003 #ifdef CONFIG_IEEE80211W
1004 ie
.mgmt_group_cipher
=
1005 ssid
->ieee80211w
!= NO_MGMT_FRAME_PROTECTION
?
1006 WPA_CIPHER_AES_128_CMAC
: 0;
1007 #endif /* CONFIG_IEEE80211W */
1008 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Set cipher suites "
1009 "based on configuration");
1014 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected cipher suites: group %d "
1015 "pairwise %d key_mgmt %d proto %d",
1016 ie
.group_cipher
, ie
.pairwise_cipher
, ie
.key_mgmt
, proto
);
1017 #ifdef CONFIG_IEEE80211W
1018 if (ssid
->ieee80211w
) {
1019 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected mgmt group cipher %d",
1020 ie
.mgmt_group_cipher
);
1022 #endif /* CONFIG_IEEE80211W */
1024 wpa_s
->wpa_proto
= proto
;
1025 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PROTO
, proto
);
1026 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_RSN_ENABLED
,
1027 !!(ssid
->proto
& WPA_PROTO_RSN
));
1029 if (bss
|| !wpa_s
->ap_ies_from_associnfo
) {
1030 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, bss_wpa
,
1031 bss_wpa
? 2 + bss_wpa
[1] : 0) ||
1032 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, bss_rsn
,
1033 bss_rsn
? 2 + bss_rsn
[1] : 0))
1037 sel
= ie
.group_cipher
& ssid
->group_cipher
;
1038 if (sel
& WPA_CIPHER_CCMP
) {
1039 wpa_s
->group_cipher
= WPA_CIPHER_CCMP
;
1040 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK CCMP");
1041 } else if (sel
& WPA_CIPHER_GCMP
) {
1042 wpa_s
->group_cipher
= WPA_CIPHER_GCMP
;
1043 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK GCMP");
1044 } else if (sel
& WPA_CIPHER_TKIP
) {
1045 wpa_s
->group_cipher
= WPA_CIPHER_TKIP
;
1046 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK TKIP");
1047 } else if (sel
& WPA_CIPHER_WEP104
) {
1048 wpa_s
->group_cipher
= WPA_CIPHER_WEP104
;
1049 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK WEP104");
1050 } else if (sel
& WPA_CIPHER_WEP40
) {
1051 wpa_s
->group_cipher
= WPA_CIPHER_WEP40
;
1052 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using GTK WEP40");
1054 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select group "
1059 sel
= ie
.pairwise_cipher
& ssid
->pairwise_cipher
;
1060 if (sel
& WPA_CIPHER_CCMP
) {
1061 wpa_s
->pairwise_cipher
= WPA_CIPHER_CCMP
;
1062 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using PTK CCMP");
1063 } else if (sel
& WPA_CIPHER_GCMP
) {
1064 wpa_s
->pairwise_cipher
= WPA_CIPHER_GCMP
;
1065 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using PTK GCMP");
1066 } else if (sel
& WPA_CIPHER_TKIP
) {
1067 wpa_s
->pairwise_cipher
= WPA_CIPHER_TKIP
;
1068 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using PTK TKIP");
1069 } else if (sel
& WPA_CIPHER_NONE
) {
1070 wpa_s
->pairwise_cipher
= WPA_CIPHER_NONE
;
1071 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using PTK NONE");
1073 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select pairwise "
1078 sel
= ie
.key_mgmt
& ssid
->key_mgmt
;
1080 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SAE
))
1081 sel
&= ~(WPA_KEY_MGMT_SAE
| WPA_KEY_MGMT_FT_SAE
);
1082 #endif /* CONFIG_SAE */
1084 #ifdef CONFIG_IEEE80211R
1085 } else if (sel
& WPA_KEY_MGMT_FT_IEEE8021X
) {
1086 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_IEEE8021X
;
1087 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT/802.1X");
1088 } else if (sel
& WPA_KEY_MGMT_FT_PSK
) {
1089 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_PSK
;
1090 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT FT/PSK");
1091 #endif /* CONFIG_IEEE80211R */
1093 } else if (sel
& WPA_KEY_MGMT_SAE
) {
1094 wpa_s
->key_mgmt
= WPA_KEY_MGMT_SAE
;
1095 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using KEY_MGMT SAE");
1096 } else if (sel
& WPA_KEY_MGMT_FT_SAE
) {
1097 wpa_s
->key_mgmt
= WPA_KEY_MGMT_FT_SAE
;
1098 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: using KEY_MGMT FT/SAE");
1099 #endif /* CONFIG_SAE */
1100 #ifdef CONFIG_IEEE80211W
1101 } else if (sel
& WPA_KEY_MGMT_IEEE8021X_SHA256
) {
1102 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X_SHA256
;
1103 wpa_dbg(wpa_s
, MSG_DEBUG
,
1104 "WPA: using KEY_MGMT 802.1X with SHA256");
1105 } else if (sel
& WPA_KEY_MGMT_PSK_SHA256
) {
1106 wpa_s
->key_mgmt
= WPA_KEY_MGMT_PSK_SHA256
;
1107 wpa_dbg(wpa_s
, MSG_DEBUG
,
1108 "WPA: using KEY_MGMT PSK with SHA256");
1109 #endif /* CONFIG_IEEE80211W */
1110 } else if (sel
& WPA_KEY_MGMT_IEEE8021X
) {
1111 wpa_s
->key_mgmt
= WPA_KEY_MGMT_IEEE8021X
;
1112 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT 802.1X");
1113 } else if (sel
& WPA_KEY_MGMT_PSK
) {
1114 wpa_s
->key_mgmt
= WPA_KEY_MGMT_PSK
;
1115 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT WPA-PSK");
1116 } else if (sel
& WPA_KEY_MGMT_WPA_NONE
) {
1117 wpa_s
->key_mgmt
= WPA_KEY_MGMT_WPA_NONE
;
1118 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using KEY_MGMT WPA-NONE");
1120 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to select "
1121 "authenticated key management type");
1125 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_KEY_MGMT
, wpa_s
->key_mgmt
);
1126 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_PAIRWISE
,
1127 wpa_s
->pairwise_cipher
);
1128 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_GROUP
, wpa_s
->group_cipher
);
1130 #ifdef CONFIG_IEEE80211W
1131 sel
= ie
.mgmt_group_cipher
;
1132 if ((ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
?
1133 wpa_s
->conf
->pmf
: ssid
->ieee80211w
) == NO_MGMT_FRAME_PROTECTION
||
1134 !(ie
.capabilities
& WPA_CAPABILITY_MFPC
))
1136 if (sel
& WPA_CIPHER_AES_128_CMAC
) {
1137 wpa_s
->mgmt_group_cipher
= WPA_CIPHER_AES_128_CMAC
;
1138 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: using MGMT group cipher "
1141 wpa_s
->mgmt_group_cipher
= 0;
1142 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: not using MGMT group cipher");
1144 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MGMT_GROUP
,
1145 wpa_s
->mgmt_group_cipher
);
1146 wpa_sm_set_param(wpa_s
->wpa
, WPA_PARAM_MFP
,
1147 (ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
?
1148 wpa_s
->conf
->pmf
: ssid
->ieee80211w
));
1149 #endif /* CONFIG_IEEE80211W */
1151 if (wpa_sm_set_assoc_wpa_ie_default(wpa_s
->wpa
, wpa_ie
, wpa_ie_len
)) {
1152 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to generate WPA IE");
1156 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
)) {
1157 wpa_sm_set_pmk(wpa_s
->wpa
, ssid
->psk
, PMK_LEN
);
1158 #ifndef CONFIG_NO_PBKDF2
1159 if (bss
&& ssid
->bssid_set
&& ssid
->ssid_len
== 0 &&
1162 pbkdf2_sha1(ssid
->passphrase
, bss
->ssid
, bss
->ssid_len
,
1163 4096, psk
, PMK_LEN
);
1164 wpa_hexdump_key(MSG_MSGDUMP
, "PSK (from passphrase)",
1166 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
);
1168 #endif /* CONFIG_NO_PBKDF2 */
1169 #ifdef CONFIG_EXT_PASSWORD
1170 if (ssid
->ext_psk
) {
1171 struct wpabuf
*pw
= ext_password_get(wpa_s
->ext_pw
,
1173 char pw_str
[64 + 1];
1177 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: No PSK "
1178 "found from external storage");
1182 if (wpabuf_len(pw
) < 8 || wpabuf_len(pw
) > 64) {
1183 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: Unexpected "
1184 "PSK length %d in external storage",
1185 (int) wpabuf_len(pw
));
1186 ext_password_free(pw
);
1190 os_memcpy(pw_str
, wpabuf_head(pw
), wpabuf_len(pw
));
1191 pw_str
[wpabuf_len(pw
)] = '\0';
1193 #ifndef CONFIG_NO_PBKDF2
1194 if (wpabuf_len(pw
) >= 8 && wpabuf_len(pw
) < 64 && bss
)
1196 pbkdf2_sha1(pw_str
, bss
->ssid
, bss
->ssid_len
,
1197 4096, psk
, PMK_LEN
);
1198 os_memset(pw_str
, 0, sizeof(pw_str
));
1199 wpa_hexdump_key(MSG_MSGDUMP
, "PSK (from "
1200 "external passphrase)",
1202 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
);
1204 #endif /* CONFIG_NO_PBKDF2 */
1205 if (wpabuf_len(pw
) == 2 * PMK_LEN
) {
1206 if (hexstr2bin(pw_str
, psk
, PMK_LEN
) < 0) {
1207 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: "
1208 "Invalid PSK hex string");
1209 os_memset(pw_str
, 0, sizeof(pw_str
));
1210 ext_password_free(pw
);
1213 wpa_sm_set_pmk(wpa_s
->wpa
, psk
, PMK_LEN
);
1215 wpa_msg(wpa_s
, MSG_INFO
, "EXT PW: No suitable "
1217 os_memset(pw_str
, 0, sizeof(pw_str
));
1218 ext_password_free(pw
);
1222 os_memset(pw_str
, 0, sizeof(pw_str
));
1223 ext_password_free(pw
);
1225 #endif /* CONFIG_EXT_PASSWORD */
1227 wpa_sm_set_pmk_from_pmksa(wpa_s
->wpa
);
1234 * wpa_supplicant_associate - Request association
1235 * @wpa_s: Pointer to wpa_supplicant data
1236 * @bss: Scan results for the selected BSS, or %NULL if not available
1237 * @ssid: Configuration data for the selected network
1239 * This function is used to request %wpa_supplicant to associate with a BSS.
1241 void wpa_supplicant_associate(struct wpa_supplicant
*wpa_s
,
1242 struct wpa_bss
*bss
, struct wpa_ssid
*ssid
)
1246 int use_crypt
, ret
, i
, bssid_changed
;
1247 int algs
= WPA_AUTH_ALG_OPEN
;
1248 enum wpa_cipher cipher_pairwise
, cipher_group
;
1249 struct wpa_driver_associate_params params
;
1250 int wep_keys_set
= 0;
1251 struct wpa_driver_capa capa
;
1252 int assoc_failed
= 0;
1253 struct wpa_ssid
*old_ssid
;
1254 #ifdef CONFIG_HT_OVERRIDES
1255 struct ieee80211_ht_capabilities htcaps
;
1256 struct ieee80211_ht_capabilities htcaps_mask
;
1257 #endif /* CONFIG_HT_OVERRIDES */
1259 #ifdef CONFIG_IBSS_RSN
1260 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
1261 wpa_s
->ibss_rsn
= NULL
;
1262 #endif /* CONFIG_IBSS_RSN */
1264 if (ssid
->mode
== WPAS_MODE_AP
|| ssid
->mode
== WPAS_MODE_P2P_GO
||
1265 ssid
->mode
== WPAS_MODE_P2P_GROUP_FORMATION
) {
1267 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_AP
)) {
1268 wpa_msg(wpa_s
, MSG_INFO
, "Driver does not support AP "
1272 if (wpa_supplicant_create_ap(wpa_s
, ssid
) < 0) {
1273 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1276 wpa_s
->current_bss
= bss
;
1277 #else /* CONFIG_AP */
1278 wpa_msg(wpa_s
, MSG_ERROR
, "AP mode support not included in "
1280 #endif /* CONFIG_AP */
1286 wpa_tdls_ap_ies(wpa_s
->wpa
, (const u8
*) (bss
+ 1),
1288 #endif /* CONFIG_TDLS */
1290 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
1291 ssid
->mode
== IEEE80211_MODE_INFRA
) {
1292 sme_authenticate(wpa_s
, bss
, ssid
);
1296 os_memset(¶ms
, 0, sizeof(params
));
1297 wpa_s
->reassociate
= 0;
1298 if (bss
&& !wpas_driver_bss_selection(wpa_s
)) {
1299 #ifdef CONFIG_IEEE80211R
1300 const u8
*ie
, *md
= NULL
;
1301 #endif /* CONFIG_IEEE80211R */
1302 wpa_msg(wpa_s
, MSG_INFO
, "Trying to associate with " MACSTR
1303 " (SSID='%s' freq=%d MHz)", MAC2STR(bss
->bssid
),
1304 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
), bss
->freq
);
1305 bssid_changed
= !is_zero_ether_addr(wpa_s
->bssid
);
1306 os_memset(wpa_s
->bssid
, 0, ETH_ALEN
);
1307 os_memcpy(wpa_s
->pending_bssid
, bss
->bssid
, ETH_ALEN
);
1309 wpas_notify_bssid_changed(wpa_s
);
1310 #ifdef CONFIG_IEEE80211R
1311 ie
= wpa_bss_get_ie(bss
, WLAN_EID_MOBILITY_DOMAIN
);
1312 if (ie
&& ie
[1] >= MOBILITY_DOMAIN_ID_LEN
)
1314 wpa_sm_set_ft_params(wpa_s
->wpa
, ie
, ie
? 2 + ie
[1] : 0);
1316 /* Prepare for the next transition */
1317 wpa_ft_prepare_auth_request(wpa_s
->wpa
, ie
);
1319 #endif /* CONFIG_IEEE80211R */
1321 } else if ((ssid
->ssid
== NULL
|| ssid
->ssid_len
== 0) &&
1322 wpa_s
->conf
->ap_scan
== 2 &&
1323 (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
1324 /* Use ap_scan==1 style network selection to find the network
1326 wpa_s
->scan_req
= MANUAL_SCAN_REQ
;
1327 wpa_s
->reassociate
= 1;
1328 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1330 #endif /* CONFIG_WPS */
1332 wpa_msg(wpa_s
, MSG_INFO
, "Trying to associate with SSID '%s'",
1333 wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
1334 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
1336 wpa_supplicant_cancel_sched_scan(wpa_s
);
1337 wpa_supplicant_cancel_scan(wpa_s
);
1339 /* Starting new association, so clear the possibly used WPA IE from the
1340 * previous association. */
1341 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
1343 #ifdef IEEE8021X_EAPOL
1344 if (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
1346 if (ssid
->non_leap
== 0)
1347 algs
= WPA_AUTH_ALG_LEAP
;
1349 algs
|= WPA_AUTH_ALG_LEAP
;
1352 #endif /* IEEE8021X_EAPOL */
1353 wpa_dbg(wpa_s
, MSG_DEBUG
, "Automatic auth_alg selection: 0x%x", algs
);
1354 if (ssid
->auth_alg
) {
1355 algs
= ssid
->auth_alg
;
1356 wpa_dbg(wpa_s
, MSG_DEBUG
, "Overriding auth_alg selection: "
1360 if (bss
&& (wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
) ||
1361 wpa_bss_get_ie(bss
, WLAN_EID_RSN
)) &&
1362 wpa_key_mgmt_wpa(ssid
->key_mgmt
)) {
1363 int try_opportunistic
;
1364 try_opportunistic
= (ssid
->proactive_key_caching
< 0 ?
1366 ssid
->proactive_key_caching
) &&
1367 (ssid
->proto
& WPA_PROTO_RSN
);
1368 if (pmksa_cache_set_current(wpa_s
->wpa
, NULL
, bss
->bssid
,
1369 wpa_s
->current_ssid
,
1370 try_opportunistic
) == 0)
1371 eapol_sm_notify_pmkid_attempt(wpa_s
->eapol
, 1);
1372 wpa_ie_len
= sizeof(wpa_ie
);
1373 if (wpa_supplicant_set_suites(wpa_s
, bss
, ssid
,
1374 wpa_ie
, &wpa_ie_len
)) {
1375 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to set WPA "
1376 "key management and encryption suites");
1379 } else if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) && bss
&&
1380 wpa_key_mgmt_wpa_ieee8021x(ssid
->key_mgmt
)) {
1382 * Both WPA and non-WPA IEEE 802.1X enabled in configuration -
1383 * use non-WPA since the scan results did not indicate that the
1384 * AP is using WPA or WPA2.
1386 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
1388 wpa_s
->wpa_proto
= 0;
1389 } else if (wpa_key_mgmt_wpa_any(ssid
->key_mgmt
)) {
1390 wpa_ie_len
= sizeof(wpa_ie
);
1391 if (wpa_supplicant_set_suites(wpa_s
, NULL
, ssid
,
1392 wpa_ie
, &wpa_ie_len
)) {
1393 wpa_msg(wpa_s
, MSG_WARNING
, "WPA: Failed to set WPA "
1394 "key management and encryption suites (no "
1399 } else if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
1400 struct wpabuf
*wps_ie
;
1401 wps_ie
= wps_build_assoc_req_ie(wpas_wps_get_req_type(ssid
));
1402 if (wps_ie
&& wpabuf_len(wps_ie
) <= sizeof(wpa_ie
)) {
1403 wpa_ie_len
= wpabuf_len(wps_ie
);
1404 os_memcpy(wpa_ie
, wpabuf_head(wps_ie
), wpa_ie_len
);
1407 wpabuf_free(wps_ie
);
1408 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
1409 if (!bss
|| (bss
->caps
& IEEE80211_CAP_PRIVACY
))
1410 params
.wps
= WPS_MODE_PRIVACY
;
1412 params
.wps
= WPS_MODE_OPEN
;
1413 wpa_s
->wpa_proto
= 0;
1414 #endif /* CONFIG_WPS */
1416 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
1418 wpa_s
->wpa_proto
= 0;
1422 if (wpa_s
->global
->p2p
) {
1426 pos
= wpa_ie
+ wpa_ie_len
;
1427 len
= sizeof(wpa_ie
) - wpa_ie_len
;
1428 res
= wpas_p2p_assoc_req_ie(wpa_s
, bss
, pos
, len
,
1434 wpa_s
->cross_connect_disallowed
= 0;
1437 p2p
= wpa_bss_get_vendor_ie_multi(bss
, P2P_IE_VENDOR_TYPE
);
1439 wpa_s
->cross_connect_disallowed
=
1440 p2p_get_cross_connect_disallowed(p2p
);
1442 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: WLAN AP %s cross "
1444 wpa_s
->cross_connect_disallowed
?
1445 "disallows" : "allows");
1448 #endif /* CONFIG_P2P */
1451 if (wpa_s
->conf
->hs20
) {
1452 struct wpabuf
*hs20
;
1453 hs20
= wpabuf_alloc(20);
1455 wpas_hs20_add_indication(hs20
);
1456 os_memcpy(wpa_ie
+ wpa_ie_len
, wpabuf_head(hs20
),
1458 wpa_ie_len
+= wpabuf_len(hs20
);
1462 #endif /* CONFIG_HS20 */
1464 #ifdef CONFIG_INTERWORKING
1465 if (wpa_s
->conf
->interworking
) {
1467 if (wpa_ie_len
> 0 && pos
[0] == WLAN_EID_RSN
)
1469 os_memmove(pos
+ 6, pos
, wpa_ie_len
- (pos
- wpa_ie
));
1471 *pos
++ = WLAN_EID_EXT_CAPAB
;
1476 *pos
++ = 0x80; /* Bit 31 - Interworking */
1478 #endif /* CONFIG_INTERWORKING */
1480 wpa_clear_keys(wpa_s
, bss
? bss
->bssid
: NULL
);
1482 cipher_pairwise
= cipher_suite2driver(wpa_s
->pairwise_cipher
);
1483 cipher_group
= cipher_suite2driver(wpa_s
->group_cipher
);
1484 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
1485 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
1486 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
)
1488 if (wpa_set_wep_keys(wpa_s
, ssid
)) {
1493 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
)
1496 #ifdef IEEE8021X_EAPOL
1497 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
1498 if ((ssid
->eapol_flags
&
1499 (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
1500 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
)) == 0 &&
1504 /* Assume that dynamic WEP-104 keys will be used and
1505 * set cipher suites in order for drivers to expect
1507 cipher_pairwise
= cipher_group
= CIPHER_WEP104
;
1510 #endif /* IEEE8021X_EAPOL */
1512 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
1513 /* Set the key before (and later after) association */
1514 wpa_supplicant_set_wpa_none_key(wpa_s
, ssid
);
1517 wpa_supplicant_set_state(wpa_s
, WPA_ASSOCIATING
);
1519 params
.ssid
= bss
->ssid
;
1520 params
.ssid_len
= bss
->ssid_len
;
1521 if (!wpas_driver_bss_selection(wpa_s
) || ssid
->bssid_set
) {
1522 wpa_printf(MSG_DEBUG
, "Limit connection to BSSID "
1523 MACSTR
" freq=%u MHz based on scan results "
1525 MAC2STR(bss
->bssid
), bss
->freq
,
1527 params
.bssid
= bss
->bssid
;
1528 params
.freq
= bss
->freq
;
1531 params
.ssid
= ssid
->ssid
;
1532 params
.ssid_len
= ssid
->ssid_len
;
1535 if (ssid
->mode
== WPAS_MODE_IBSS
&& ssid
->bssid_set
&&
1536 wpa_s
->conf
->ap_scan
== 2) {
1537 params
.bssid
= ssid
->bssid
;
1538 params
.fixed_bssid
= 1;
1541 if (ssid
->mode
== WPAS_MODE_IBSS
&& ssid
->frequency
> 0 &&
1543 params
.freq
= ssid
->frequency
; /* Initial channel for IBSS */
1544 params
.wpa_ie
= wpa_ie
;
1545 params
.wpa_ie_len
= wpa_ie_len
;
1546 params
.pairwise_suite
= cipher_pairwise
;
1547 params
.group_suite
= cipher_group
;
1548 params
.key_mgmt_suite
= key_mgmt2driver(wpa_s
->key_mgmt
);
1549 params
.wpa_proto
= wpa_s
->wpa_proto
;
1550 params
.auth_alg
= algs
;
1551 params
.mode
= ssid
->mode
;
1552 params
.bg_scan_period
= ssid
->bg_scan_period
;
1553 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
1554 if (ssid
->wep_key_len
[i
])
1555 params
.wep_key
[i
] = ssid
->wep_key
[i
];
1556 params
.wep_key_len
[i
] = ssid
->wep_key_len
[i
];
1558 params
.wep_tx_keyidx
= ssid
->wep_tx_keyidx
;
1560 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
1561 (params
.key_mgmt_suite
== KEY_MGMT_PSK
||
1562 params
.key_mgmt_suite
== KEY_MGMT_FT_PSK
)) {
1563 params
.passphrase
= ssid
->passphrase
;
1565 params
.psk
= ssid
->psk
;
1568 params
.drop_unencrypted
= use_crypt
;
1570 #ifdef CONFIG_IEEE80211W
1571 params
.mgmt_frame_protection
=
1572 ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
?
1573 wpa_s
->conf
->pmf
: ssid
->ieee80211w
;
1574 if (params
.mgmt_frame_protection
!= NO_MGMT_FRAME_PROTECTION
&& bss
) {
1575 const u8
*rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
1576 struct wpa_ie_data ie
;
1577 if (rsn
&& wpa_parse_wpa_ie(rsn
, 2 + rsn
[1], &ie
) == 0 &&
1579 (WPA_CAPABILITY_MFPC
| WPA_CAPABILITY_MFPR
)) {
1580 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Selected AP supports "
1581 "MFP: require MFP");
1582 params
.mgmt_frame_protection
=
1583 MGMT_FRAME_PROTECTION_REQUIRED
;
1586 #endif /* CONFIG_IEEE80211W */
1588 params
.p2p
= ssid
->p2p_group
;
1590 if (wpa_s
->parent
->set_sta_uapsd
)
1591 params
.uapsd
= wpa_s
->parent
->sta_uapsd
;
1595 #ifdef CONFIG_HT_OVERRIDES
1596 os_memset(&htcaps
, 0, sizeof(htcaps
));
1597 os_memset(&htcaps_mask
, 0, sizeof(htcaps_mask
));
1598 params
.htcaps
= (u8
*) &htcaps
;
1599 params
.htcaps_mask
= (u8
*) &htcaps_mask
;
1600 wpa_supplicant_apply_ht_overrides(wpa_s
, ssid
, ¶ms
);
1601 #endif /* CONFIG_HT_OVERRIDES */
1603 ret
= wpa_drv_associate(wpa_s
, ¶ms
);
1605 wpa_msg(wpa_s
, MSG_INFO
, "Association request to the driver "
1607 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SANE_ERROR_CODES
) {
1609 * The driver is known to mean what is saying, so we
1610 * can stop right here; the association will not
1613 wpas_connection_failed(wpa_s
, wpa_s
->pending_bssid
);
1614 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1615 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
1618 /* try to continue anyway; new association will be tried again
1623 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
1624 /* Set the key after the association just in case association
1625 * cleared the previously configured key. */
1626 wpa_supplicant_set_wpa_none_key(wpa_s
, ssid
);
1627 /* No need to timeout authentication since there is no key
1629 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1630 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1631 #ifdef CONFIG_IBSS_RSN
1632 } else if (ssid
->mode
== WPAS_MODE_IBSS
&&
1633 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
1634 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
) {
1636 * RSN IBSS authentication is per-STA and we can disable the
1637 * per-BSSID authentication.
1639 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1640 #endif /* CONFIG_IBSS_RSN */
1642 /* Timeout for IEEE 802.11 authentication and association */
1646 /* give IBSS a bit more time */
1647 timeout
= ssid
->mode
== WPAS_MODE_IBSS
? 10 : 5;
1648 } else if (wpa_s
->conf
->ap_scan
== 1) {
1649 /* give IBSS a bit more time */
1650 timeout
= ssid
->mode
== WPAS_MODE_IBSS
? 20 : 10;
1652 wpa_supplicant_req_auth_timeout(wpa_s
, timeout
, 0);
1655 if (wep_keys_set
&& wpa_drv_get_capa(wpa_s
, &capa
) == 0 &&
1656 capa
.flags
& WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC
) {
1657 /* Set static WEP keys again */
1658 wpa_set_wep_keys(wpa_s
, ssid
);
1661 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
!= ssid
) {
1663 * Do not allow EAP session resumption between different
1664 * network configurations.
1666 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
1668 old_ssid
= wpa_s
->current_ssid
;
1669 wpa_s
->current_ssid
= ssid
;
1670 wpa_s
->current_bss
= bss
;
1671 wpa_supplicant_rsn_supp_set_config(wpa_s
, wpa_s
->current_ssid
);
1672 wpa_supplicant_initiate_eapol(wpa_s
);
1673 if (old_ssid
!= wpa_s
->current_ssid
)
1674 wpas_notify_network_changed(wpa_s
);
1678 static void wpa_supplicant_clear_connection(struct wpa_supplicant
*wpa_s
,
1681 struct wpa_ssid
*old_ssid
;
1683 wpa_clear_keys(wpa_s
, addr
);
1684 old_ssid
= wpa_s
->current_ssid
;
1685 wpa_supplicant_mark_disassoc(wpa_s
);
1686 wpa_sm_set_config(wpa_s
->wpa
, NULL
);
1687 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
1688 if (old_ssid
!= wpa_s
->current_ssid
)
1689 wpas_notify_network_changed(wpa_s
);
1690 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
1695 * wpa_supplicant_deauthenticate - Deauthenticate the current connection
1696 * @wpa_s: Pointer to wpa_supplicant data
1697 * @reason_code: IEEE 802.11 reason code for the deauthenticate frame
1699 * This function is used to request %wpa_supplicant to deauthenticate from the
1702 void wpa_supplicant_deauthenticate(struct wpa_supplicant
*wpa_s
,
1706 union wpa_event_data event
;
1709 wpa_dbg(wpa_s
, MSG_DEBUG
, "Request to deauthenticate - bssid=" MACSTR
1710 " pending_bssid=" MACSTR
" reason=%d state=%s",
1711 MAC2STR(wpa_s
->bssid
), MAC2STR(wpa_s
->pending_bssid
),
1712 reason_code
, wpa_supplicant_state_txt(wpa_s
->wpa_state
));
1714 if (!is_zero_ether_addr(wpa_s
->bssid
))
1715 addr
= wpa_s
->bssid
;
1716 else if (!is_zero_ether_addr(wpa_s
->pending_bssid
) &&
1717 (wpa_s
->wpa_state
== WPA_AUTHENTICATING
||
1718 wpa_s
->wpa_state
== WPA_ASSOCIATING
))
1719 addr
= wpa_s
->pending_bssid
;
1720 else if (wpa_s
->wpa_state
== WPA_ASSOCIATING
) {
1722 * When using driver-based BSS selection, we may not know the
1723 * BSSID with which we are currently trying to associate. We
1724 * need to notify the driver of this disconnection even in such
1725 * a case, so use the all zeros address here.
1727 addr
= wpa_s
->bssid
;
1732 wpa_drv_deauthenticate(wpa_s
, addr
, reason_code
);
1733 os_memset(&event
, 0, sizeof(event
));
1734 event
.deauth_info
.reason_code
= (u16
) reason_code
;
1735 event
.deauth_info
.locally_generated
= 1;
1736 wpa_supplicant_event(wpa_s
, EVENT_DEAUTH
, &event
);
1741 wpa_supplicant_clear_connection(wpa_s
, addr
);
1746 * wpa_supplicant_enable_network - Mark a configured network as enabled
1747 * @wpa_s: wpa_supplicant structure for a network interface
1748 * @ssid: wpa_ssid structure for a configured network or %NULL
1750 * Enables the specified network or all networks if no network specified.
1752 void wpa_supplicant_enable_network(struct wpa_supplicant
*wpa_s
,
1753 struct wpa_ssid
*ssid
)
1755 struct wpa_ssid
*other_ssid
;
1759 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
1760 other_ssid
= other_ssid
->next
) {
1761 if (other_ssid
->disabled
== 2)
1762 continue; /* do not change persistent P2P group
1764 if (other_ssid
== wpa_s
->current_ssid
&&
1765 other_ssid
->disabled
)
1766 wpa_s
->reassociate
= 1;
1768 was_disabled
= other_ssid
->disabled
;
1770 other_ssid
->disabled
= 0;
1772 wpas_clear_temp_disabled(wpa_s
, other_ssid
, 0);
1774 if (was_disabled
!= other_ssid
->disabled
)
1775 wpas_notify_network_enabled_changed(
1778 if (wpa_s
->reassociate
)
1779 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1780 } else if (ssid
->disabled
&& ssid
->disabled
!= 2) {
1781 if (wpa_s
->current_ssid
== NULL
) {
1783 * Try to reassociate since there is no current
1784 * configuration and a new network was made available.
1786 wpa_s
->reassociate
= 1;
1787 wpa_supplicant_req_scan(wpa_s
, 0, 0);
1790 was_disabled
= ssid
->disabled
;
1793 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
1795 if (was_disabled
!= ssid
->disabled
)
1796 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
1802 * wpa_supplicant_disable_network - Mark a configured network as disabled
1803 * @wpa_s: wpa_supplicant structure for a network interface
1804 * @ssid: wpa_ssid structure for a configured network or %NULL
1806 * Disables the specified network or all networks if no network specified.
1808 void wpa_supplicant_disable_network(struct wpa_supplicant
*wpa_s
,
1809 struct wpa_ssid
*ssid
)
1811 struct wpa_ssid
*other_ssid
;
1815 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
1816 other_ssid
= other_ssid
->next
) {
1817 was_disabled
= other_ssid
->disabled
;
1818 if (was_disabled
== 2)
1819 continue; /* do not change persistent P2P group
1822 other_ssid
->disabled
= 1;
1824 if (was_disabled
!= other_ssid
->disabled
)
1825 wpas_notify_network_enabled_changed(
1828 if (wpa_s
->current_ssid
)
1829 wpa_supplicant_deauthenticate(
1830 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1831 } else if (ssid
->disabled
!= 2) {
1832 if (ssid
== wpa_s
->current_ssid
)
1833 wpa_supplicant_deauthenticate(
1834 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1836 was_disabled
= ssid
->disabled
;
1840 if (was_disabled
!= ssid
->disabled
)
1841 wpas_notify_network_enabled_changed(wpa_s
, ssid
);
1847 * wpa_supplicant_select_network - Attempt association with a network
1848 * @wpa_s: wpa_supplicant structure for a network interface
1849 * @ssid: wpa_ssid structure for a configured network or %NULL for any network
1851 void wpa_supplicant_select_network(struct wpa_supplicant
*wpa_s
,
1852 struct wpa_ssid
*ssid
)
1855 struct wpa_ssid
*other_ssid
;
1856 int disconnected
= 0;
1858 if (ssid
&& ssid
!= wpa_s
->current_ssid
&& wpa_s
->current_ssid
) {
1859 wpa_supplicant_deauthenticate(
1860 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1865 wpas_clear_temp_disabled(wpa_s
, ssid
, 1);
1868 * Mark all other networks disabled or mark all networks enabled if no
1869 * network specified.
1871 for (other_ssid
= wpa_s
->conf
->ssid
; other_ssid
;
1872 other_ssid
= other_ssid
->next
) {
1873 int was_disabled
= other_ssid
->disabled
;
1874 if (was_disabled
== 2)
1875 continue; /* do not change persistent P2P group data */
1877 other_ssid
->disabled
= ssid
? (ssid
->id
!= other_ssid
->id
) : 0;
1878 if (was_disabled
&& !other_ssid
->disabled
)
1879 wpas_clear_temp_disabled(wpa_s
, other_ssid
, 0);
1881 if (was_disabled
!= other_ssid
->disabled
)
1882 wpas_notify_network_enabled_changed(wpa_s
, other_ssid
);
1885 if (ssid
&& ssid
== wpa_s
->current_ssid
&& wpa_s
->current_ssid
) {
1886 /* We are already associated with the selected network */
1887 wpa_printf(MSG_DEBUG
, "Already associated with the "
1888 "selected network - do nothing");
1893 wpa_s
->current_ssid
= ssid
;
1894 wpa_s
->connect_without_scan
= NULL
;
1895 wpa_s
->disconnected
= 0;
1896 wpa_s
->reassociate
= 1;
1897 wpa_supplicant_req_scan(wpa_s
, 0, disconnected
? 100000 : 0);
1900 wpas_notify_network_selected(wpa_s
, ssid
);
1905 * wpa_supplicant_set_ap_scan - Set AP scan mode for interface
1906 * @wpa_s: wpa_supplicant structure for a network interface
1907 * @ap_scan: AP scan mode
1908 * Returns: 0 if succeed or -1 if ap_scan has an invalid value
1911 int wpa_supplicant_set_ap_scan(struct wpa_supplicant
*wpa_s
, int ap_scan
)
1916 if (ap_scan
< 0 || ap_scan
> 2)
1920 if (ap_scan
== 2 && ap_scan
!= wpa_s
->conf
->ap_scan
&&
1921 wpa_s
->wpa_state
>= WPA_ASSOCIATING
&&
1922 wpa_s
->wpa_state
< WPA_COMPLETED
) {
1923 wpa_printf(MSG_ERROR
, "ap_scan = %d (%d) rejected while "
1924 "associating", wpa_s
->conf
->ap_scan
, ap_scan
);
1927 #endif /* ANDROID */
1929 old_ap_scan
= wpa_s
->conf
->ap_scan
;
1930 wpa_s
->conf
->ap_scan
= ap_scan
;
1932 if (old_ap_scan
!= wpa_s
->conf
->ap_scan
)
1933 wpas_notify_ap_scan_changed(wpa_s
);
1940 * wpa_supplicant_set_bss_expiration_age - Set BSS entry expiration age
1941 * @wpa_s: wpa_supplicant structure for a network interface
1942 * @expire_age: Expiration age in seconds
1943 * Returns: 0 if succeed or -1 if expire_age has an invalid value
1946 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant
*wpa_s
,
1947 unsigned int bss_expire_age
)
1949 if (bss_expire_age
< 10) {
1950 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid bss expiration age %u",
1954 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting bss expiration age: %d sec",
1956 wpa_s
->conf
->bss_expiration_age
= bss_expire_age
;
1963 * wpa_supplicant_set_bss_expiration_count - Set BSS entry expiration scan count
1964 * @wpa_s: wpa_supplicant structure for a network interface
1965 * @expire_count: number of scans after which an unseen BSS is reclaimed
1966 * Returns: 0 if succeed or -1 if expire_count has an invalid value
1969 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant
*wpa_s
,
1970 unsigned int bss_expire_count
)
1972 if (bss_expire_count
< 1) {
1973 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid bss expiration count %u",
1977 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting bss expiration scan count: %u",
1979 wpa_s
->conf
->bss_expiration_scan_count
= bss_expire_count
;
1986 * wpa_supplicant_set_scan_interval - Set scan interval
1987 * @wpa_s: wpa_supplicant structure for a network interface
1988 * @scan_interval: scan interval in seconds
1989 * Returns: 0 if succeed or -1 if scan_interval has an invalid value
1992 int wpa_supplicant_set_scan_interval(struct wpa_supplicant
*wpa_s
,
1995 if (scan_interval
< 0) {
1996 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid scan interval %d",
2000 wpa_msg(wpa_s
, MSG_DEBUG
, "Setting scan interval: %d sec",
2002 wpa_s
->scan_interval
= scan_interval
;
2009 * wpa_supplicant_set_debug_params - Set global debug params
2010 * @global: wpa_global structure
2011 * @debug_level: debug level
2012 * @debug_timestamp: determines if show timestamp in debug data
2013 * @debug_show_keys: determines if show keys in debug data
2014 * Returns: 0 if succeed or -1 if debug_level has wrong value
2016 int wpa_supplicant_set_debug_params(struct wpa_global
*global
, int debug_level
,
2017 int debug_timestamp
, int debug_show_keys
)
2020 int old_level
, old_timestamp
, old_show_keys
;
2022 /* check for allowed debuglevels */
2023 if (debug_level
!= MSG_EXCESSIVE
&&
2024 debug_level
!= MSG_MSGDUMP
&&
2025 debug_level
!= MSG_DEBUG
&&
2026 debug_level
!= MSG_INFO
&&
2027 debug_level
!= MSG_WARNING
&&
2028 debug_level
!= MSG_ERROR
)
2031 old_level
= wpa_debug_level
;
2032 old_timestamp
= wpa_debug_timestamp
;
2033 old_show_keys
= wpa_debug_show_keys
;
2035 wpa_debug_level
= debug_level
;
2036 wpa_debug_timestamp
= debug_timestamp
? 1 : 0;
2037 wpa_debug_show_keys
= debug_show_keys
? 1 : 0;
2039 if (wpa_debug_level
!= old_level
)
2040 wpas_notify_debug_level_changed(global
);
2041 if (wpa_debug_timestamp
!= old_timestamp
)
2042 wpas_notify_debug_timestamp_changed(global
);
2043 if (wpa_debug_show_keys
!= old_show_keys
)
2044 wpas_notify_debug_show_keys_changed(global
);
2051 * wpa_supplicant_get_ssid - Get a pointer to the current network structure
2052 * @wpa_s: Pointer to wpa_supplicant data
2053 * Returns: A pointer to the current network structure or %NULL on failure
2055 struct wpa_ssid
* wpa_supplicant_get_ssid(struct wpa_supplicant
*wpa_s
)
2057 struct wpa_ssid
*entry
;
2058 u8 ssid
[MAX_SSID_LEN
];
2064 res
= wpa_drv_get_ssid(wpa_s
, ssid
);
2066 wpa_msg(wpa_s
, MSG_WARNING
, "Could not read SSID from "
2072 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0) {
2073 wpa_msg(wpa_s
, MSG_WARNING
, "Could not read BSSID from "
2078 wired
= wpa_s
->conf
->ap_scan
== 0 &&
2079 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_WIRED
);
2081 entry
= wpa_s
->conf
->ssid
;
2083 if (!wpas_network_disabled(wpa_s
, entry
) &&
2084 ((ssid_len
== entry
->ssid_len
&&
2085 os_memcmp(ssid
, entry
->ssid
, ssid_len
) == 0) || wired
) &&
2086 (!entry
->bssid_set
||
2087 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0))
2090 if (!wpas_network_disabled(wpa_s
, entry
) &&
2091 (entry
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
2092 (entry
->ssid
== NULL
|| entry
->ssid_len
== 0) &&
2093 (!entry
->bssid_set
||
2094 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0))
2096 #endif /* CONFIG_WPS */
2098 if (!wpas_network_disabled(wpa_s
, entry
) && entry
->bssid_set
&&
2099 entry
->ssid_len
== 0 &&
2100 os_memcmp(bssid
, entry
->bssid
, ETH_ALEN
) == 0)
2103 entry
= entry
->next
;
2110 static int select_driver(struct wpa_supplicant
*wpa_s
, int i
)
2112 struct wpa_global
*global
= wpa_s
->global
;
2114 if (wpa_drivers
[i
]->global_init
&& global
->drv_priv
[i
] == NULL
) {
2115 global
->drv_priv
[i
] = wpa_drivers
[i
]->global_init();
2116 if (global
->drv_priv
[i
] == NULL
) {
2117 wpa_printf(MSG_ERROR
, "Failed to initialize driver "
2118 "'%s'", wpa_drivers
[i
]->name
);
2123 wpa_s
->driver
= wpa_drivers
[i
];
2124 wpa_s
->global_drv_priv
= global
->drv_priv
[i
];
2130 static int wpa_supplicant_set_driver(struct wpa_supplicant
*wpa_s
,
2135 const char *pos
, *driver
= name
;
2140 if (wpa_drivers
[0] == NULL
) {
2141 wpa_msg(wpa_s
, MSG_ERROR
, "No driver interfaces build into "
2147 /* default to first driver in the list */
2148 return select_driver(wpa_s
, 0);
2152 pos
= os_strchr(driver
, ',');
2156 len
= os_strlen(driver
);
2158 for (i
= 0; wpa_drivers
[i
]; i
++) {
2159 if (os_strlen(wpa_drivers
[i
]->name
) == len
&&
2160 os_strncmp(driver
, wpa_drivers
[i
]->name
, len
) ==
2162 /* First driver that succeeds wins */
2163 if (select_driver(wpa_s
, i
) == 0)
2171 wpa_msg(wpa_s
, MSG_ERROR
, "Unsupported driver '%s'", name
);
2177 * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
2178 * @ctx: Context pointer (wpa_s); this is the ctx variable registered
2179 * with struct wpa_driver_ops::init()
2180 * @src_addr: Source address of the EAPOL frame
2181 * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
2182 * @len: Length of the EAPOL data
2184 * This function is called for each received EAPOL frame. Most driver
2185 * interfaces rely on more generic OS mechanism for receiving frames through
2186 * l2_packet, but if such a mechanism is not available, the driver wrapper may
2187 * take care of received EAPOL frames and deliver them to the core supplicant
2188 * code by calling this function.
2190 void wpa_supplicant_rx_eapol(void *ctx
, const u8
*src_addr
,
2191 const u8
*buf
, size_t len
)
2193 struct wpa_supplicant
*wpa_s
= ctx
;
2195 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
, MAC2STR(src_addr
));
2196 wpa_hexdump(MSG_MSGDUMP
, "RX EAPOL", buf
, len
);
2198 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
) {
2200 * There is possible race condition between receiving the
2201 * association event and the EAPOL frame since they are coming
2202 * through different paths from the driver. In order to avoid
2203 * issues in trying to process the EAPOL frame before receiving
2204 * association information, lets queue it for processing until
2205 * the association event is received.
2207 wpa_dbg(wpa_s
, MSG_DEBUG
, "Not associated - Delay processing "
2208 "of received EAPOL frame");
2209 wpabuf_free(wpa_s
->pending_eapol_rx
);
2210 wpa_s
->pending_eapol_rx
= wpabuf_alloc_copy(buf
, len
);
2211 if (wpa_s
->pending_eapol_rx
) {
2212 os_get_time(&wpa_s
->pending_eapol_rx_time
);
2213 os_memcpy(wpa_s
->pending_eapol_rx_src
, src_addr
,
2220 if (wpa_s
->ap_iface
) {
2221 wpa_supplicant_ap_rx_eapol(wpa_s
, src_addr
, buf
, len
);
2224 #endif /* CONFIG_AP */
2226 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
) {
2227 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignored received EAPOL frame since "
2228 "no key management is configured");
2232 if (wpa_s
->eapol_received
== 0 &&
2233 (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) ||
2234 !wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) ||
2235 wpa_s
->wpa_state
!= WPA_COMPLETED
) &&
2236 (wpa_s
->current_ssid
== NULL
||
2237 wpa_s
->current_ssid
->mode
!= IEEE80211_MODE_IBSS
)) {
2238 /* Timeout for completing IEEE 802.1X and WPA authentication */
2239 wpa_supplicant_req_auth_timeout(
2241 (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) ||
2242 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
||
2243 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) ?
2246 wpa_s
->eapol_received
++;
2248 if (wpa_s
->countermeasures
) {
2249 wpa_msg(wpa_s
, MSG_INFO
, "WPA: Countermeasures - dropped "
2254 #ifdef CONFIG_IBSS_RSN
2255 if (wpa_s
->current_ssid
&&
2256 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
) {
2257 ibss_rsn_rx_eapol(wpa_s
->ibss_rsn
, src_addr
, buf
, len
);
2260 #endif /* CONFIG_IBSS_RSN */
2262 /* Source address of the incoming EAPOL frame could be compared to the
2263 * current BSSID. However, it is possible that a centralized
2264 * Authenticator could be using another MAC address than the BSSID of
2265 * an AP, so just allow any address to be used for now. The replies are
2266 * still sent to the current BSSID (if available), though. */
2268 os_memcpy(wpa_s
->last_eapol_src
, src_addr
, ETH_ALEN
);
2269 if (!wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) &&
2270 eapol_sm_rx_eapol(wpa_s
->eapol
, src_addr
, buf
, len
) > 0)
2272 wpa_drv_poll(wpa_s
);
2273 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
))
2274 wpa_sm_rx_eapol(wpa_s
->wpa
, src_addr
, buf
, len
);
2275 else if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
2277 * Set portValid = TRUE here since we are going to skip 4-way
2278 * handshake processing which would normally set portValid. We
2279 * need this to allow the EAPOL state machines to be completed
2280 * without going through EAPOL-Key handshake.
2282 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
2287 int wpa_supplicant_update_mac_addr(struct wpa_supplicant
*wpa_s
)
2289 if (wpa_s
->driver
->send_eapol
) {
2290 const u8
*addr
= wpa_drv_get_mac_addr(wpa_s
);
2292 os_memcpy(wpa_s
->own_addr
, addr
, ETH_ALEN
);
2293 } else if (!(wpa_s
->drv_flags
&
2294 WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE
)) {
2295 l2_packet_deinit(wpa_s
->l2
);
2296 wpa_s
->l2
= l2_packet_init(wpa_s
->ifname
,
2297 wpa_drv_get_mac_addr(wpa_s
),
2299 wpa_supplicant_rx_eapol
, wpa_s
, 0);
2300 if (wpa_s
->l2
== NULL
)
2303 const u8
*addr
= wpa_drv_get_mac_addr(wpa_s
);
2305 os_memcpy(wpa_s
->own_addr
, addr
, ETH_ALEN
);
2308 if (wpa_s
->l2
&& l2_packet_get_own_addr(wpa_s
->l2
, wpa_s
->own_addr
)) {
2309 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to get own L2 address");
2313 wpa_dbg(wpa_s
, MSG_DEBUG
, "Own MAC address: " MACSTR
,
2314 MAC2STR(wpa_s
->own_addr
));
2315 wpa_sm_set_own_addr(wpa_s
->wpa
, wpa_s
->own_addr
);
2321 static void wpa_supplicant_rx_eapol_bridge(void *ctx
, const u8
*src_addr
,
2322 const u8
*buf
, size_t len
)
2324 struct wpa_supplicant
*wpa_s
= ctx
;
2325 const struct l2_ethhdr
*eth
;
2327 if (len
< sizeof(*eth
))
2329 eth
= (const struct l2_ethhdr
*) buf
;
2331 if (os_memcmp(eth
->h_dest
, wpa_s
->own_addr
, ETH_ALEN
) != 0 &&
2332 !(eth
->h_dest
[0] & 0x01)) {
2333 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
" to " MACSTR
2334 " (bridge - not for this interface - ignore)",
2335 MAC2STR(src_addr
), MAC2STR(eth
->h_dest
));
2339 wpa_dbg(wpa_s
, MSG_DEBUG
, "RX EAPOL from " MACSTR
" to " MACSTR
2340 " (bridge)", MAC2STR(src_addr
), MAC2STR(eth
->h_dest
));
2341 wpa_supplicant_rx_eapol(wpa_s
, src_addr
, buf
+ sizeof(*eth
),
2342 len
- sizeof(*eth
));
2347 * wpa_supplicant_driver_init - Initialize driver interface parameters
2348 * @wpa_s: Pointer to wpa_supplicant data
2349 * Returns: 0 on success, -1 on failure
2351 * This function is called to initialize driver interface parameters.
2352 * wpa_drv_init() must have been called before this function to initialize the
2355 int wpa_supplicant_driver_init(struct wpa_supplicant
*wpa_s
)
2357 static int interface_count
= 0;
2359 if (wpa_supplicant_update_mac_addr(wpa_s
) < 0)
2362 if (wpa_s
->bridge_ifname
[0]) {
2363 wpa_dbg(wpa_s
, MSG_DEBUG
, "Receiving packets from bridge "
2364 "interface '%s'", wpa_s
->bridge_ifname
);
2365 wpa_s
->l2_br
= l2_packet_init(wpa_s
->bridge_ifname
,
2368 wpa_supplicant_rx_eapol_bridge
,
2370 if (wpa_s
->l2_br
== NULL
) {
2371 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to open l2_packet "
2372 "connection for the bridge interface '%s'",
2373 wpa_s
->bridge_ifname
);
2378 wpa_clear_keys(wpa_s
, NULL
);
2380 /* Make sure that TKIP countermeasures are not left enabled (could
2381 * happen if wpa_supplicant is killed during countermeasures. */
2382 wpa_drv_set_countermeasures(wpa_s
, 0);
2384 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: flushing PMKID list in the driver");
2385 wpa_drv_flush_pmkid(wpa_s
);
2387 wpa_s
->prev_scan_ssid
= WILDCARD_SSID_SCAN
;
2388 wpa_s
->prev_scan_wildcard
= 0;
2390 if (wpa_supplicant_enabled_networks(wpa_s
)) {
2391 if (wpa_supplicant_delayed_sched_scan(wpa_s
, interface_count
,
2393 wpa_supplicant_req_scan(wpa_s
, interface_count
,
2397 wpa_supplicant_set_state(wpa_s
, WPA_INACTIVE
);
2403 static int wpa_supplicant_daemon(const char *pid_file
)
2405 wpa_printf(MSG_DEBUG
, "Daemonize..");
2406 return os_daemonize(pid_file
);
2410 static struct wpa_supplicant
* wpa_supplicant_alloc(void)
2412 struct wpa_supplicant
*wpa_s
;
2414 wpa_s
= os_zalloc(sizeof(*wpa_s
));
2417 wpa_s
->scan_req
= INITIAL_SCAN_REQ
;
2418 wpa_s
->scan_interval
= 5;
2419 wpa_s
->new_connection
= 1;
2420 wpa_s
->parent
= wpa_s
;
2421 wpa_s
->sched_scanning
= 0;
2427 #ifdef CONFIG_HT_OVERRIDES
2429 static int wpa_set_htcap_mcs(struct wpa_supplicant
*wpa_s
,
2430 struct ieee80211_ht_capabilities
*htcaps
,
2431 struct ieee80211_ht_capabilities
*htcaps_mask
,
2434 /* parse ht_mcs into hex array */
2436 const char *tmp
= ht_mcs
;
2439 /* If ht_mcs is null, do not set anything */
2443 /* This is what we are setting in the kernel */
2444 os_memset(&htcaps
->supported_mcs_set
, 0, IEEE80211_HT_MCS_MASK_LEN
);
2446 wpa_msg(wpa_s
, MSG_DEBUG
, "set_htcap, ht_mcs -:%s:-", ht_mcs
);
2448 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
2450 long v
= strtol(tmp
, &end
, 16);
2452 wpa_msg(wpa_s
, MSG_DEBUG
,
2453 "htcap value[%i]: %ld end: %p tmp: %p",
2458 htcaps
->supported_mcs_set
[i
] = v
;
2461 wpa_msg(wpa_s
, MSG_ERROR
,
2462 "Failed to parse ht-mcs: %s, error: %s\n",
2463 ht_mcs
, strerror(errno
));
2469 * If we were able to parse any values, then set mask for the MCS set.
2472 os_memset(&htcaps_mask
->supported_mcs_set
, 0xff,
2473 IEEE80211_HT_MCS_MASK_LEN
- 1);
2474 /* skip the 3 reserved bits */
2475 htcaps_mask
->supported_mcs_set
[IEEE80211_HT_MCS_MASK_LEN
- 1] =
2483 static int wpa_disable_max_amsdu(struct wpa_supplicant
*wpa_s
,
2484 struct ieee80211_ht_capabilities
*htcaps
,
2485 struct ieee80211_ht_capabilities
*htcaps_mask
,
2490 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_max_amsdu: %d", disabled
);
2495 msk
= host_to_le16(HT_CAP_INFO_MAX_AMSDU_SIZE
);
2496 htcaps_mask
->ht_capabilities_info
|= msk
;
2498 htcaps
->ht_capabilities_info
&= msk
;
2500 htcaps
->ht_capabilities_info
|= msk
;
2506 static int wpa_set_ampdu_factor(struct wpa_supplicant
*wpa_s
,
2507 struct ieee80211_ht_capabilities
*htcaps
,
2508 struct ieee80211_ht_capabilities
*htcaps_mask
,
2511 wpa_msg(wpa_s
, MSG_DEBUG
, "set_ampdu_factor: %d", factor
);
2516 if (factor
< 0 || factor
> 3) {
2517 wpa_msg(wpa_s
, MSG_ERROR
, "ampdu_factor: %d out of range. "
2518 "Must be 0-3 or -1", factor
);
2522 htcaps_mask
->a_mpdu_params
|= 0x3; /* 2 bits for factor */
2523 htcaps
->a_mpdu_params
&= ~0x3;
2524 htcaps
->a_mpdu_params
|= factor
& 0x3;
2530 static int wpa_set_ampdu_density(struct wpa_supplicant
*wpa_s
,
2531 struct ieee80211_ht_capabilities
*htcaps
,
2532 struct ieee80211_ht_capabilities
*htcaps_mask
,
2535 wpa_msg(wpa_s
, MSG_DEBUG
, "set_ampdu_density: %d", density
);
2540 if (density
< 0 || density
> 7) {
2541 wpa_msg(wpa_s
, MSG_ERROR
,
2542 "ampdu_density: %d out of range. Must be 0-7 or -1.",
2547 htcaps_mask
->a_mpdu_params
|= 0x1C;
2548 htcaps
->a_mpdu_params
&= ~(0x1C);
2549 htcaps
->a_mpdu_params
|= (density
<< 2) & 0x1C;
2555 static int wpa_set_disable_ht40(struct wpa_supplicant
*wpa_s
,
2556 struct ieee80211_ht_capabilities
*htcaps
,
2557 struct ieee80211_ht_capabilities
*htcaps_mask
,
2560 /* Masking these out disables HT40 */
2561 u16 msk
= host_to_le16(HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET
|
2562 HT_CAP_INFO_SHORT_GI40MHZ
);
2564 wpa_msg(wpa_s
, MSG_DEBUG
, "set_disable_ht40: %d", disabled
);
2567 htcaps
->ht_capabilities_info
&= ~msk
;
2569 htcaps
->ht_capabilities_info
|= msk
;
2571 htcaps_mask
->ht_capabilities_info
|= msk
;
2577 void wpa_supplicant_apply_ht_overrides(
2578 struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
,
2579 struct wpa_driver_associate_params
*params
)
2581 struct ieee80211_ht_capabilities
*htcaps
;
2582 struct ieee80211_ht_capabilities
*htcaps_mask
;
2587 params
->disable_ht
= ssid
->disable_ht
;
2588 if (!params
->htcaps
|| !params
->htcaps_mask
)
2591 htcaps
= (struct ieee80211_ht_capabilities
*) params
->htcaps
;
2592 htcaps_mask
= (struct ieee80211_ht_capabilities
*) params
->htcaps_mask
;
2593 wpa_set_htcap_mcs(wpa_s
, htcaps
, htcaps_mask
, ssid
->ht_mcs
);
2594 wpa_disable_max_amsdu(wpa_s
, htcaps
, htcaps_mask
,
2595 ssid
->disable_max_amsdu
);
2596 wpa_set_ampdu_factor(wpa_s
, htcaps
, htcaps_mask
, ssid
->ampdu_factor
);
2597 wpa_set_ampdu_density(wpa_s
, htcaps
, htcaps_mask
, ssid
->ampdu_density
);
2598 wpa_set_disable_ht40(wpa_s
, htcaps
, htcaps_mask
, ssid
->disable_ht40
);
2601 #endif /* CONFIG_HT_OVERRIDES */
2604 static int pcsc_reader_init(struct wpa_supplicant
*wpa_s
)
2609 if (!wpa_s
->conf
->pcsc_reader
)
2612 wpa_s
->scard
= scard_init(SCARD_TRY_BOTH
, wpa_s
->conf
->pcsc_reader
);
2616 if (wpa_s
->conf
->pcsc_pin
&&
2617 scard_set_pin(wpa_s
->scard
, wpa_s
->conf
->pcsc_pin
) < 0) {
2618 scard_deinit(wpa_s
->scard
);
2619 wpa_s
->scard
= NULL
;
2620 wpa_msg(wpa_s
, MSG_ERROR
, "PC/SC PIN validation failed");
2624 len
= sizeof(wpa_s
->imsi
) - 1;
2625 if (scard_get_imsi(wpa_s
->scard
, wpa_s
->imsi
, &len
)) {
2626 scard_deinit(wpa_s
->scard
);
2627 wpa_s
->scard
= NULL
;
2628 wpa_msg(wpa_s
, MSG_ERROR
, "Could not read IMSI");
2631 wpa_s
->imsi
[len
] = '\0';
2633 wpa_s
->mnc_len
= scard_get_mnc_len(wpa_s
->scard
);
2635 wpa_printf(MSG_DEBUG
, "SCARD: IMSI %s (MNC length %d)",
2636 wpa_s
->imsi
, wpa_s
->mnc_len
);
2638 wpa_sm_set_scard_ctx(wpa_s
->wpa
, wpa_s
->scard
);
2639 eapol_sm_register_scard_ctx(wpa_s
->eapol
, wpa_s
->scard
);
2640 #endif /* PCSC_FUNCS */
2646 int wpas_init_ext_pw(struct wpa_supplicant
*wpa_s
)
2650 ext_password_deinit(wpa_s
->ext_pw
);
2651 wpa_s
->ext_pw
= NULL
;
2652 eapol_sm_set_ext_pw_ctx(wpa_s
->eapol
, NULL
);
2654 if (!wpa_s
->conf
->ext_password_backend
)
2657 val
= os_strdup(wpa_s
->conf
->ext_password_backend
);
2660 pos
= os_strchr(val
, ':');
2664 wpa_printf(MSG_DEBUG
, "EXT PW: Initialize backend '%s'", val
);
2666 wpa_s
->ext_pw
= ext_password_init(val
, pos
);
2668 if (wpa_s
->ext_pw
== NULL
) {
2669 wpa_printf(MSG_DEBUG
, "EXT PW: Failed to initialize backend");
2672 eapol_sm_set_ext_pw_ctx(wpa_s
->eapol
, wpa_s
->ext_pw
);
2678 static int wpa_supplicant_init_iface(struct wpa_supplicant
*wpa_s
,
2679 struct wpa_interface
*iface
)
2681 const char *ifname
, *driver
;
2682 struct wpa_driver_capa capa
;
2684 wpa_printf(MSG_DEBUG
, "Initializing interface '%s' conf '%s' driver "
2685 "'%s' ctrl_interface '%s' bridge '%s'", iface
->ifname
,
2686 iface
->confname
? iface
->confname
: "N/A",
2687 iface
->driver
? iface
->driver
: "default",
2688 iface
->ctrl_interface
? iface
->ctrl_interface
: "N/A",
2689 iface
->bridge_ifname
? iface
->bridge_ifname
: "N/A");
2691 if (iface
->confname
) {
2692 #ifdef CONFIG_BACKEND_FILE
2693 wpa_s
->confname
= os_rel2abs_path(iface
->confname
);
2694 if (wpa_s
->confname
== NULL
) {
2695 wpa_printf(MSG_ERROR
, "Failed to get absolute path "
2696 "for configuration file '%s'.",
2700 wpa_printf(MSG_DEBUG
, "Configuration file '%s' -> '%s'",
2701 iface
->confname
, wpa_s
->confname
);
2702 #else /* CONFIG_BACKEND_FILE */
2703 wpa_s
->confname
= os_strdup(iface
->confname
);
2704 #endif /* CONFIG_BACKEND_FILE */
2705 wpa_s
->conf
= wpa_config_read(wpa_s
->confname
);
2706 if (wpa_s
->conf
== NULL
) {
2707 wpa_printf(MSG_ERROR
, "Failed to read or parse "
2708 "configuration '%s'.", wpa_s
->confname
);
2713 * Override ctrl_interface and driver_param if set on command
2716 if (iface
->ctrl_interface
) {
2717 os_free(wpa_s
->conf
->ctrl_interface
);
2718 wpa_s
->conf
->ctrl_interface
=
2719 os_strdup(iface
->ctrl_interface
);
2722 if (iface
->driver_param
) {
2723 os_free(wpa_s
->conf
->driver_param
);
2724 wpa_s
->conf
->driver_param
=
2725 os_strdup(iface
->driver_param
);
2728 wpa_s
->conf
= wpa_config_alloc_empty(iface
->ctrl_interface
,
2729 iface
->driver_param
);
2731 if (wpa_s
->conf
== NULL
) {
2732 wpa_printf(MSG_ERROR
, "\nNo configuration found.");
2736 if (iface
->ifname
== NULL
) {
2737 wpa_printf(MSG_ERROR
, "\nInterface name is required.");
2740 if (os_strlen(iface
->ifname
) >= sizeof(wpa_s
->ifname
)) {
2741 wpa_printf(MSG_ERROR
, "\nToo long interface name '%s'.",
2745 os_strlcpy(wpa_s
->ifname
, iface
->ifname
, sizeof(wpa_s
->ifname
));
2747 if (iface
->bridge_ifname
) {
2748 if (os_strlen(iface
->bridge_ifname
) >=
2749 sizeof(wpa_s
->bridge_ifname
)) {
2750 wpa_printf(MSG_ERROR
, "\nToo long bridge interface "
2751 "name '%s'.", iface
->bridge_ifname
);
2754 os_strlcpy(wpa_s
->bridge_ifname
, iface
->bridge_ifname
,
2755 sizeof(wpa_s
->bridge_ifname
));
2758 /* RSNA Supplicant Key Management - INITIALIZE */
2759 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
2760 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
2762 /* Initialize driver interface and register driver event handler before
2763 * L2 receive handler so that association events are processed before
2764 * EAPOL-Key packets if both become available for the same select()
2766 driver
= iface
->driver
;
2768 if (wpa_supplicant_set_driver(wpa_s
, driver
) < 0)
2771 wpa_s
->drv_priv
= wpa_drv_init(wpa_s
, wpa_s
->ifname
);
2772 if (wpa_s
->drv_priv
== NULL
) {
2774 pos
= driver
? os_strchr(driver
, ',') : NULL
;
2776 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to initialize "
2777 "driver interface - try next driver wrapper");
2781 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to initialize driver "
2785 if (wpa_drv_set_param(wpa_s
, wpa_s
->conf
->driver_param
) < 0) {
2786 wpa_msg(wpa_s
, MSG_ERROR
, "Driver interface rejected "
2787 "driver_param '%s'", wpa_s
->conf
->driver_param
);
2791 ifname
= wpa_drv_get_ifname(wpa_s
);
2792 if (ifname
&& os_strcmp(ifname
, wpa_s
->ifname
) != 0) {
2793 wpa_dbg(wpa_s
, MSG_DEBUG
, "Driver interface replaced "
2794 "interface name with '%s'", ifname
);
2795 os_strlcpy(wpa_s
->ifname
, ifname
, sizeof(wpa_s
->ifname
));
2798 if (wpa_supplicant_init_wpa(wpa_s
) < 0)
2801 wpa_sm_set_ifname(wpa_s
->wpa
, wpa_s
->ifname
,
2802 wpa_s
->bridge_ifname
[0] ? wpa_s
->bridge_ifname
:
2804 wpa_sm_set_fast_reauth(wpa_s
->wpa
, wpa_s
->conf
->fast_reauth
);
2806 if (wpa_s
->conf
->dot11RSNAConfigPMKLifetime
&&
2807 wpa_sm_set_param(wpa_s
->wpa
, RSNA_PMK_LIFETIME
,
2808 wpa_s
->conf
->dot11RSNAConfigPMKLifetime
)) {
2809 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
2810 "dot11RSNAConfigPMKLifetime");
2814 if (wpa_s
->conf
->dot11RSNAConfigPMKReauthThreshold
&&
2815 wpa_sm_set_param(wpa_s
->wpa
, RSNA_PMK_REAUTH_THRESHOLD
,
2816 wpa_s
->conf
->dot11RSNAConfigPMKReauthThreshold
)) {
2817 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
2818 "dot11RSNAConfigPMKReauthThreshold");
2822 if (wpa_s
->conf
->dot11RSNAConfigSATimeout
&&
2823 wpa_sm_set_param(wpa_s
->wpa
, RSNA_SA_TIMEOUT
,
2824 wpa_s
->conf
->dot11RSNAConfigSATimeout
)) {
2825 wpa_msg(wpa_s
, MSG_ERROR
, "Invalid WPA parameter value for "
2826 "dot11RSNAConfigSATimeout");
2830 wpa_s
->hw
.modes
= wpa_drv_get_hw_feature_data(wpa_s
,
2831 &wpa_s
->hw
.num_modes
,
2834 if (wpa_drv_get_capa(wpa_s
, &capa
) == 0) {
2835 wpa_s
->drv_capa_known
= 1;
2836 wpa_s
->drv_flags
= capa
.flags
;
2837 wpa_s
->drv_enc
= capa
.enc
;
2838 wpa_s
->probe_resp_offloads
= capa
.probe_resp_offloads
;
2839 wpa_s
->max_scan_ssids
= capa
.max_scan_ssids
;
2840 wpa_s
->max_sched_scan_ssids
= capa
.max_sched_scan_ssids
;
2841 wpa_s
->sched_scan_supported
= capa
.sched_scan_supported
;
2842 wpa_s
->max_match_sets
= capa
.max_match_sets
;
2843 wpa_s
->max_remain_on_chan
= capa
.max_remain_on_chan
;
2844 wpa_s
->max_stations
= capa
.max_stations
;
2846 if (wpa_s
->max_remain_on_chan
== 0)
2847 wpa_s
->max_remain_on_chan
= 1000;
2849 if (wpa_supplicant_driver_init(wpa_s
) < 0)
2853 if (wpa_tdls_init(wpa_s
->wpa
))
2855 #endif /* CONFIG_TDLS */
2857 if (wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1] &&
2858 wpa_drv_set_country(wpa_s
, wpa_s
->conf
->country
)) {
2859 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to set country");
2863 if (wpas_wps_init(wpa_s
))
2866 if (wpa_supplicant_init_eapol(wpa_s
) < 0)
2868 wpa_sm_set_eapol(wpa_s
->wpa
, wpa_s
->eapol
);
2870 wpa_s
->ctrl_iface
= wpa_supplicant_ctrl_iface_init(wpa_s
);
2871 if (wpa_s
->ctrl_iface
== NULL
) {
2872 wpa_printf(MSG_ERROR
,
2873 "Failed to initialize control interface '%s'.\n"
2874 "You may have another wpa_supplicant process "
2875 "already running or the file was\n"
2876 "left by an unclean termination of wpa_supplicant "
2877 "in which case you will need\n"
2878 "to manually remove this file before starting "
2879 "wpa_supplicant again.\n",
2880 wpa_s
->conf
->ctrl_interface
);
2884 wpa_s
->gas
= gas_query_init(wpa_s
);
2885 if (wpa_s
->gas
== NULL
) {
2886 wpa_printf(MSG_ERROR
, "Failed to initialize GAS query");
2891 if (wpas_p2p_init(wpa_s
->global
, wpa_s
) < 0) {
2892 wpa_msg(wpa_s
, MSG_ERROR
, "Failed to init P2P");
2895 #endif /* CONFIG_P2P */
2897 if (wpa_bss_init(wpa_s
) < 0)
2900 if (pcsc_reader_init(wpa_s
) < 0)
2903 if (wpas_init_ext_pw(wpa_s
) < 0)
2910 static void wpa_supplicant_deinit_iface(struct wpa_supplicant
*wpa_s
,
2911 int notify
, int terminate
)
2913 if (wpa_s
->drv_priv
) {
2914 wpa_supplicant_deauthenticate(wpa_s
,
2915 WLAN_REASON_DEAUTH_LEAVING
);
2917 wpa_drv_set_countermeasures(wpa_s
, 0);
2918 wpa_clear_keys(wpa_s
, NULL
);
2921 wpa_supplicant_cleanup(wpa_s
);
2924 if (wpa_s
== wpa_s
->global
->p2p_init_wpa_s
&& wpa_s
->global
->p2p
) {
2925 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Disable P2P since removing "
2926 "the management interface is being removed");
2927 wpas_p2p_deinit_global(wpa_s
->global
);
2929 #endif /* CONFIG_P2P */
2931 if (wpa_s
->drv_priv
)
2932 wpa_drv_deinit(wpa_s
);
2935 wpas_notify_iface_removed(wpa_s
);
2938 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_TERMINATING
);
2940 if (wpa_s
->ctrl_iface
) {
2941 wpa_supplicant_ctrl_iface_deinit(wpa_s
->ctrl_iface
);
2942 wpa_s
->ctrl_iface
= NULL
;
2945 if (wpa_s
->conf
!= NULL
) {
2946 wpa_config_free(wpa_s
->conf
);
2953 * wpa_supplicant_add_iface - Add a new network interface
2954 * @global: Pointer to global data from wpa_supplicant_init()
2955 * @iface: Interface configuration options
2956 * Returns: Pointer to the created interface or %NULL on failure
2958 * This function is used to add new network interfaces for %wpa_supplicant.
2959 * This can be called before wpa_supplicant_run() to add interfaces before the
2960 * main event loop has been started. In addition, new interfaces can be added
2961 * dynamically while %wpa_supplicant is already running. This could happen,
2962 * e.g., when a hotplug network adapter is inserted.
2964 struct wpa_supplicant
* wpa_supplicant_add_iface(struct wpa_global
*global
,
2965 struct wpa_interface
*iface
)
2967 struct wpa_supplicant
*wpa_s
;
2968 struct wpa_interface t_iface
;
2969 struct wpa_ssid
*ssid
;
2971 if (global
== NULL
|| iface
== NULL
)
2974 wpa_s
= wpa_supplicant_alloc();
2978 wpa_s
->global
= global
;
2981 if (global
->params
.override_driver
) {
2982 wpa_printf(MSG_DEBUG
, "Override interface parameter: driver "
2984 iface
->driver
, global
->params
.override_driver
);
2985 t_iface
.driver
= global
->params
.override_driver
;
2987 if (global
->params
.override_ctrl_interface
) {
2988 wpa_printf(MSG_DEBUG
, "Override interface parameter: "
2989 "ctrl_interface ('%s' -> '%s')",
2990 iface
->ctrl_interface
,
2991 global
->params
.override_ctrl_interface
);
2992 t_iface
.ctrl_interface
=
2993 global
->params
.override_ctrl_interface
;
2995 if (wpa_supplicant_init_iface(wpa_s
, &t_iface
)) {
2996 wpa_printf(MSG_DEBUG
, "Failed to add interface %s",
2998 wpa_supplicant_deinit_iface(wpa_s
, 0, 0);
3003 /* Notify the control interfaces about new iface */
3004 if (wpas_notify_iface_added(wpa_s
)) {
3005 wpa_supplicant_deinit_iface(wpa_s
, 1, 0);
3010 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
)
3011 wpas_notify_network_added(wpa_s
, ssid
);
3013 wpa_s
->next
= global
->ifaces
;
3014 global
->ifaces
= wpa_s
;
3016 wpa_dbg(wpa_s
, MSG_DEBUG
, "Added interface %s", wpa_s
->ifname
);
3017 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
3024 * wpa_supplicant_remove_iface - Remove a network interface
3025 * @global: Pointer to global data from wpa_supplicant_init()
3026 * @wpa_s: Pointer to the network interface to be removed
3027 * Returns: 0 if interface was removed, -1 if interface was not found
3029 * This function can be used to dynamically remove network interfaces from
3030 * %wpa_supplicant, e.g., when a hotplug network adapter is ejected. In
3031 * addition, this function is used to remove all remaining interfaces when
3032 * %wpa_supplicant is terminated.
3034 int wpa_supplicant_remove_iface(struct wpa_global
*global
,
3035 struct wpa_supplicant
*wpa_s
,
3038 struct wpa_supplicant
*prev
;
3040 /* Remove interface from the global list of interfaces */
3041 prev
= global
->ifaces
;
3042 if (prev
== wpa_s
) {
3043 global
->ifaces
= wpa_s
->next
;
3045 while (prev
&& prev
->next
!= wpa_s
)
3049 prev
->next
= wpa_s
->next
;
3052 wpa_dbg(wpa_s
, MSG_DEBUG
, "Removing interface %s", wpa_s
->ifname
);
3054 if (global
->p2p_group_formation
== wpa_s
)
3055 global
->p2p_group_formation
= NULL
;
3056 wpa_supplicant_deinit_iface(wpa_s
, 1, terminate
);
3064 * wpa_supplicant_get_eap_mode - Get the current EAP mode
3065 * @wpa_s: Pointer to the network interface
3066 * Returns: Pointer to the eap mode or the string "UNKNOWN" if not found
3068 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant
*wpa_s
)
3070 const char *eapol_method
;
3072 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) == 0 &&
3073 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_IEEE8021X_NO_WPA
) {
3077 eapol_method
= eapol_sm_get_method_name(wpa_s
->eapol
);
3078 if (eapol_method
== NULL
)
3079 return "UNKNOWN-EAP";
3081 return eapol_method
;
3086 * wpa_supplicant_get_iface - Get a new network interface
3087 * @global: Pointer to global data from wpa_supplicant_init()
3088 * @ifname: Interface name
3089 * Returns: Pointer to the interface or %NULL if not found
3091 struct wpa_supplicant
* wpa_supplicant_get_iface(struct wpa_global
*global
,
3094 struct wpa_supplicant
*wpa_s
;
3096 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
) {
3097 if (os_strcmp(wpa_s
->ifname
, ifname
) == 0)
3104 #ifndef CONFIG_NO_WPA_MSG
3105 static const char * wpa_supplicant_msg_ifname_cb(void *ctx
)
3107 struct wpa_supplicant
*wpa_s
= ctx
;
3110 return wpa_s
->ifname
;
3112 #endif /* CONFIG_NO_WPA_MSG */
3116 * wpa_supplicant_init - Initialize %wpa_supplicant
3117 * @params: Parameters for %wpa_supplicant
3118 * Returns: Pointer to global %wpa_supplicant data, or %NULL on failure
3120 * This function is used to initialize %wpa_supplicant. After successful
3121 * initialization, the returned data pointer can be used to add and remove
3122 * network interfaces, and eventually, to deinitialize %wpa_supplicant.
3124 struct wpa_global
* wpa_supplicant_init(struct wpa_params
*params
)
3126 struct wpa_global
*global
;
3132 #ifdef CONFIG_DRIVER_NDIS
3134 void driver_ndis_init_ops(void);
3135 driver_ndis_init_ops();
3137 #endif /* CONFIG_DRIVER_NDIS */
3139 #ifndef CONFIG_NO_WPA_MSG
3140 wpa_msg_register_ifname_cb(wpa_supplicant_msg_ifname_cb
);
3141 #endif /* CONFIG_NO_WPA_MSG */
3143 wpa_debug_open_file(params
->wpa_debug_file_path
);
3144 if (params
->wpa_debug_syslog
)
3145 wpa_debug_open_syslog();
3146 if (params
->wpa_debug_tracing
) {
3147 ret
= wpa_debug_open_linux_tracing();
3149 wpa_printf(MSG_ERROR
,
3150 "Failed to enable trace logging");
3155 ret
= eap_register_methods();
3157 wpa_printf(MSG_ERROR
, "Failed to register EAP methods");
3159 wpa_printf(MSG_ERROR
, "Two or more EAP methods used "
3160 "the same EAP type.");
3164 global
= os_zalloc(sizeof(*global
));
3167 dl_list_init(&global
->p2p_srv_bonjour
);
3168 dl_list_init(&global
->p2p_srv_upnp
);
3169 global
->params
.daemonize
= params
->daemonize
;
3170 global
->params
.wait_for_monitor
= params
->wait_for_monitor
;
3171 global
->params
.dbus_ctrl_interface
= params
->dbus_ctrl_interface
;
3172 if (params
->pid_file
)
3173 global
->params
.pid_file
= os_strdup(params
->pid_file
);
3174 if (params
->ctrl_interface
)
3175 global
->params
.ctrl_interface
=
3176 os_strdup(params
->ctrl_interface
);
3177 if (params
->override_driver
)
3178 global
->params
.override_driver
=
3179 os_strdup(params
->override_driver
);
3180 if (params
->override_ctrl_interface
)
3181 global
->params
.override_ctrl_interface
=
3182 os_strdup(params
->override_ctrl_interface
);
3183 wpa_debug_level
= global
->params
.wpa_debug_level
=
3184 params
->wpa_debug_level
;
3185 wpa_debug_show_keys
= global
->params
.wpa_debug_show_keys
=
3186 params
->wpa_debug_show_keys
;
3187 wpa_debug_timestamp
= global
->params
.wpa_debug_timestamp
=
3188 params
->wpa_debug_timestamp
;
3190 wpa_printf(MSG_DEBUG
, "wpa_supplicant v" VERSION_STR
);
3193 wpa_printf(MSG_ERROR
, "Failed to initialize event loop");
3194 wpa_supplicant_deinit(global
);
3198 random_init(params
->entropy_file
);
3200 global
->ctrl_iface
= wpa_supplicant_global_ctrl_iface_init(global
);
3201 if (global
->ctrl_iface
== NULL
) {
3202 wpa_supplicant_deinit(global
);
3206 if (wpas_notify_supplicant_initialized(global
)) {
3207 wpa_supplicant_deinit(global
);
3211 for (i
= 0; wpa_drivers
[i
]; i
++)
3212 global
->drv_count
++;
3213 if (global
->drv_count
== 0) {
3214 wpa_printf(MSG_ERROR
, "No drivers enabled");
3215 wpa_supplicant_deinit(global
);
3218 global
->drv_priv
= os_zalloc(global
->drv_count
* sizeof(void *));
3219 if (global
->drv_priv
== NULL
) {
3220 wpa_supplicant_deinit(global
);
3224 #ifdef CONFIG_WIFI_DISPLAY
3225 if (wifi_display_init(global
) < 0) {
3226 wpa_printf(MSG_ERROR
, "Failed to initialize Wi-Fi Display");
3227 wpa_supplicant_deinit(global
);
3230 #endif /* CONFIG_WIFI_DISPLAY */
3237 * wpa_supplicant_run - Run the %wpa_supplicant main event loop
3238 * @global: Pointer to global data from wpa_supplicant_init()
3239 * Returns: 0 after successful event loop run, -1 on failure
3241 * This function starts the main event loop and continues running as long as
3242 * there are any remaining events. In most cases, this function is running as
3243 * long as the %wpa_supplicant process in still in use.
3245 int wpa_supplicant_run(struct wpa_global
*global
)
3247 struct wpa_supplicant
*wpa_s
;
3249 if (global
->params
.daemonize
&&
3250 wpa_supplicant_daemon(global
->params
.pid_file
))
3253 if (global
->params
.wait_for_monitor
) {
3254 for (wpa_s
= global
->ifaces
; wpa_s
; wpa_s
= wpa_s
->next
)
3255 if (wpa_s
->ctrl_iface
)
3256 wpa_supplicant_ctrl_iface_wait(
3260 eloop_register_signal_terminate(wpa_supplicant_terminate
, global
);
3261 eloop_register_signal_reconfig(wpa_supplicant_reconfig
, global
);
3270 * wpa_supplicant_deinit - Deinitialize %wpa_supplicant
3271 * @global: Pointer to global data from wpa_supplicant_init()
3273 * This function is called to deinitialize %wpa_supplicant and to free all
3274 * allocated resources. Remaining network interfaces will also be removed.
3276 void wpa_supplicant_deinit(struct wpa_global
*global
)
3283 #ifdef CONFIG_WIFI_DISPLAY
3284 wifi_display_deinit(global
);
3285 #endif /* CONFIG_WIFI_DISPLAY */
3287 wpas_p2p_deinit_global(global
);
3288 #endif /* CONFIG_P2P */
3290 while (global
->ifaces
)
3291 wpa_supplicant_remove_iface(global
, global
->ifaces
, 1);
3293 if (global
->ctrl_iface
)
3294 wpa_supplicant_global_ctrl_iface_deinit(global
->ctrl_iface
);
3296 wpas_notify_supplicant_deinitialized(global
);
3298 eap_peer_unregister_methods();
3300 eap_server_unregister_methods();
3301 #endif /* CONFIG_AP */
3303 for (i
= 0; wpa_drivers
[i
] && global
->drv_priv
; i
++) {
3304 if (!global
->drv_priv
[i
])
3306 wpa_drivers
[i
]->global_deinit(global
->drv_priv
[i
]);
3308 os_free(global
->drv_priv
);
3314 if (global
->params
.pid_file
) {
3315 os_daemonize_terminate(global
->params
.pid_file
);
3316 os_free(global
->params
.pid_file
);
3318 os_free(global
->params
.ctrl_interface
);
3319 os_free(global
->params
.override_driver
);
3320 os_free(global
->params
.override_ctrl_interface
);
3322 os_free(global
->p2p_disallow_freq
);
3325 wpa_debug_close_syslog();
3326 wpa_debug_close_file();
3327 wpa_debug_close_linux_tracing();
3331 void wpa_supplicant_update_config(struct wpa_supplicant
*wpa_s
)
3333 if ((wpa_s
->conf
->changed_parameters
& CFG_CHANGED_COUNTRY
) &&
3334 wpa_s
->conf
->country
[0] && wpa_s
->conf
->country
[1]) {
3336 country
[0] = wpa_s
->conf
->country
[0];
3337 country
[1] = wpa_s
->conf
->country
[1];
3339 if (wpa_drv_set_country(wpa_s
, country
) < 0) {
3340 wpa_printf(MSG_ERROR
, "Failed to set country code "
3345 if (wpa_s
->conf
->changed_parameters
& CFG_CHANGED_EXT_PW_BACKEND
)
3346 wpas_init_ext_pw(wpa_s
);
3349 wpas_wps_update_config(wpa_s
);
3350 #endif /* CONFIG_WPS */
3353 wpas_p2p_update_config(wpa_s
);
3354 #endif /* CONFIG_P2P */
3356 wpa_s
->conf
->changed_parameters
= 0;
3360 static void add_freq(int *freqs
, int *num_freqs
, int freq
)
3364 for (i
= 0; i
< *num_freqs
; i
++) {
3365 if (freqs
[i
] == freq
)
3369 freqs
[*num_freqs
] = freq
;
3374 static int * get_bss_freqs_in_ess(struct wpa_supplicant
*wpa_s
)
3376 struct wpa_bss
*bss
, *cbss
;
3377 const int max_freqs
= 10;
3381 freqs
= os_zalloc(sizeof(int) * (max_freqs
+ 1));
3385 cbss
= wpa_s
->current_bss
;
3387 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
3390 if (bss
->ssid_len
== cbss
->ssid_len
&&
3391 os_memcmp(bss
->ssid
, cbss
->ssid
, bss
->ssid_len
) == 0 &&
3392 wpa_blacklist_get(wpa_s
, bss
->bssid
) == NULL
) {
3393 add_freq(freqs
, &num_freqs
, bss
->freq
);
3394 if (num_freqs
== max_freqs
)
3399 if (num_freqs
== 0) {
3408 void wpas_connection_failed(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
3415 * Remove possible authentication timeout since the connection failed.
3417 eloop_cancel_timeout(wpa_supplicant_timeout
, wpa_s
, NULL
);
3420 * Add the failed BSSID into the blacklist and speed up next scan
3421 * attempt if there could be other APs that could accept association.
3422 * The current blacklist count indicates how many times we have tried
3423 * connecting to this AP and multiple attempts mean that other APs are
3424 * either not available or has already been tried, so that we can start
3425 * increasing the delay here to avoid constant scanning.
3427 count
= wpa_blacklist_add(wpa_s
, bssid
);
3428 if (count
== 1 && wpa_s
->current_bss
) {
3430 * This BSS was not in the blacklist before. If there is
3431 * another BSS available for the same ESS, we should try that
3432 * next. Otherwise, we may as well try this one once more
3433 * before allowing other, likely worse, ESSes to be considered.
3435 freqs
= get_bss_freqs_in_ess(wpa_s
);
3437 wpa_dbg(wpa_s
, MSG_DEBUG
, "Another BSS in this ESS "
3438 "has been seen; try it next");
3439 wpa_blacklist_add(wpa_s
, bssid
);
3441 * On the next scan, go through only the known channels
3442 * used in this ESS based on previous scans to speed up
3443 * common load balancing use case.
3445 os_free(wpa_s
->next_scan_freqs
);
3446 wpa_s
->next_scan_freqs
= freqs
;
3451 * Add previous failure count in case the temporary blacklist was
3452 * cleared due to no other BSSes being available.
3454 count
+= wpa_s
->extra_blacklist_count
;
3474 wpa_dbg(wpa_s
, MSG_DEBUG
, "Blacklist count %d --> request scan in %d "
3475 "ms", count
, timeout
);
3478 * TODO: if more than one possible AP is available in scan results,
3479 * could try the other ones before requesting a new scan.
3481 wpa_supplicant_req_scan(wpa_s
, timeout
/ 1000,
3482 1000 * (timeout
% 1000));
3485 if (wpa_s
->global
->p2p_cb_on_scan_complete
&& !wpa_s
->global
->p2p_disabled
&&
3486 wpa_s
->global
->p2p
!= NULL
) {
3487 wpa_s
->global
->p2p_cb_on_scan_complete
= 0;
3488 if (p2p_other_scan_completed(wpa_s
->global
->p2p
) == 1) {
3489 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Pending P2P operation "
3490 "continued after failed association");
3493 #endif /* CONFIG_P2P */
3497 int wpas_driver_bss_selection(struct wpa_supplicant
*wpa_s
)
3499 return wpa_s
->conf
->ap_scan
== 2 ||
3500 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_BSS_SELECTION
);
3504 #if defined(CONFIG_CTRL_IFACE) || defined(CONFIG_CTRL_IFACE_DBUS_NEW)
3505 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant
*wpa_s
,
3506 struct wpa_ssid
*ssid
,
3510 #ifdef IEEE8021X_EAPOL
3511 struct eap_peer_config
*eap
= &ssid
->eap
;
3513 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: response handle field=%s", field
);
3514 wpa_hexdump_ascii_key(MSG_DEBUG
, "CTRL_IFACE: response value",
3515 (const u8
*) value
, os_strlen(value
));
3517 switch (wpa_supplicant_ctrl_req_from_string(field
)) {
3518 case WPA_CTRL_REQ_EAP_IDENTITY
:
3519 os_free(eap
->identity
);
3520 eap
->identity
= (u8
*) os_strdup(value
);
3521 eap
->identity_len
= os_strlen(value
);
3522 eap
->pending_req_identity
= 0;
3523 if (ssid
== wpa_s
->current_ssid
)
3524 wpa_s
->reassociate
= 1;
3526 case WPA_CTRL_REQ_EAP_PASSWORD
:
3527 os_free(eap
->password
);
3528 eap
->password
= (u8
*) os_strdup(value
);
3529 eap
->password_len
= os_strlen(value
);
3530 eap
->pending_req_password
= 0;
3531 if (ssid
== wpa_s
->current_ssid
)
3532 wpa_s
->reassociate
= 1;
3534 case WPA_CTRL_REQ_EAP_NEW_PASSWORD
:
3535 os_free(eap
->new_password
);
3536 eap
->new_password
= (u8
*) os_strdup(value
);
3537 eap
->new_password_len
= os_strlen(value
);
3538 eap
->pending_req_new_password
= 0;
3539 if (ssid
== wpa_s
->current_ssid
)
3540 wpa_s
->reassociate
= 1;
3542 case WPA_CTRL_REQ_EAP_PIN
:
3544 eap
->pin
= os_strdup(value
);
3545 eap
->pending_req_pin
= 0;
3546 if (ssid
== wpa_s
->current_ssid
)
3547 wpa_s
->reassociate
= 1;
3549 case WPA_CTRL_REQ_EAP_OTP
:
3551 eap
->otp
= (u8
*) os_strdup(value
);
3552 eap
->otp_len
= os_strlen(value
);
3553 os_free(eap
->pending_req_otp
);
3554 eap
->pending_req_otp
= NULL
;
3555 eap
->pending_req_otp_len
= 0;
3557 case WPA_CTRL_REQ_EAP_PASSPHRASE
:
3558 os_free(eap
->private_key_passwd
);
3559 eap
->private_key_passwd
= (u8
*) os_strdup(value
);
3560 eap
->pending_req_passphrase
= 0;
3561 if (ssid
== wpa_s
->current_ssid
)
3562 wpa_s
->reassociate
= 1;
3565 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: Unknown field '%s'", field
);
3570 #else /* IEEE8021X_EAPOL */
3571 wpa_printf(MSG_DEBUG
, "CTRL_IFACE: IEEE 802.1X not included");
3573 #endif /* IEEE8021X_EAPOL */
3575 #endif /* CONFIG_CTRL_IFACE || CONFIG_CTRL_IFACE_DBUS_NEW */
3578 int wpas_network_disabled(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
3581 unsigned int drv_enc
;
3589 if (wpa_s
&& wpa_s
->drv_capa_known
)
3590 drv_enc
= wpa_s
->drv_enc
;
3592 drv_enc
= (unsigned int) -1;
3594 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
3595 size_t len
= ssid
->wep_key_len
[i
];
3598 if (len
== 5 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP40
))
3600 if (len
== 13 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP104
))
3602 if (len
== 16 && (drv_enc
& WPA_DRIVER_CAPA_ENC_WEP128
))
3604 return 1; /* invalid WEP key */
3607 if (wpa_key_mgmt_wpa_psk(ssid
->key_mgmt
) && !ssid
->psk_set
&&
3615 int wpas_is_p2p_prioritized(struct wpa_supplicant
*wpa_s
)
3617 if (wpa_s
->global
->conc_pref
== WPA_CONC_PREF_P2P
)
3619 if (wpa_s
->global
->conc_pref
== WPA_CONC_PREF_STA
)
3625 void wpas_auth_failed(struct wpa_supplicant
*wpa_s
)
3627 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3632 wpa_printf(MSG_DEBUG
, "Authentication failure but no known "
3637 if (ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
)
3640 ssid
->auth_failures
++;
3641 if (ssid
->auth_failures
> 50)
3643 else if (ssid
->auth_failures
> 20)
3645 else if (ssid
->auth_failures
> 10)
3647 else if (ssid
->auth_failures
> 5)
3649 else if (ssid
->auth_failures
> 1)
3655 if (now
.sec
+ dur
<= ssid
->disabled_until
.sec
)
3658 ssid
->disabled_until
.sec
= now
.sec
+ dur
;
3660 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_TEMP_DISABLED
3661 "id=%d ssid=\"%s\" auth_failures=%u duration=%d",
3662 ssid
->id
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
),
3663 ssid
->auth_failures
, dur
);
3667 void wpas_clear_temp_disabled(struct wpa_supplicant
*wpa_s
,
3668 struct wpa_ssid
*ssid
, int clear_failures
)
3673 if (ssid
->disabled_until
.sec
) {
3674 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_REENABLED
3675 "id=%d ssid=\"%s\"",
3676 ssid
->id
, wpa_ssid_txt(ssid
->ssid
, ssid
->ssid_len
));
3678 ssid
->disabled_until
.sec
= 0;
3679 ssid
->disabled_until
.usec
= 0;
3681 ssid
->auth_failures
= 0;
3685 int disallowed_bssid(struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
3689 if (wpa_s
->disallow_aps_bssid
== NULL
)
3692 for (i
= 0; i
< wpa_s
->disallow_aps_bssid_count
; i
++) {
3693 if (os_memcmp(wpa_s
->disallow_aps_bssid
+ i
* ETH_ALEN
,
3694 bssid
, ETH_ALEN
) == 0)
3702 int disallowed_ssid(struct wpa_supplicant
*wpa_s
, const u8
*ssid
,
3707 if (wpa_s
->disallow_aps_ssid
== NULL
|| ssid
== NULL
)
3710 for (i
= 0; i
< wpa_s
->disallow_aps_ssid_count
; i
++) {
3711 struct wpa_ssid_value
*s
= &wpa_s
->disallow_aps_ssid
[i
];
3712 if (ssid_len
== s
->ssid_len
&&
3713 os_memcmp(ssid
, s
->ssid
, ssid_len
) == 0)
3722 * wpas_request_connection - Request a new connection
3723 * @wpa_s: Pointer to the network interface
3725 * This function is used to request a new connection to be found. It will mark
3726 * the interface to allow reassociation and request a new scan to find a
3727 * suitable network to connect to.
3729 void wpas_request_connection(struct wpa_supplicant
*wpa_s
)
3731 wpa_s
->normal_scans
= 0;
3732 wpa_supplicant_reinit_autoscan(wpa_s
);
3733 wpa_s
->extra_blacklist_count
= 0;
3734 wpa_s
->disconnected
= 0;
3735 wpa_s
->reassociate
= 1;
3736 wpa_supplicant_req_scan(wpa_s
, 0, 0);