2 * WPA Supplicant - Driver event processing
3 * Copyright (c) 2003-2019, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "eapol_supp/eapol_supp_sm.h"
13 #include "rsn_supp/wpa.h"
16 #include "l2_packet/l2_packet.h"
17 #include "wpa_supplicant_i.h"
19 #include "pcsc_funcs.h"
20 #include "rsn_supp/preauth.h"
21 #include "rsn_supp/pmksa_cache.h"
22 #include "common/wpa_ctrl.h"
23 #include "eap_peer/eap.h"
24 #include "ap/hostapd.h"
29 #include "common/ieee802_11_defs.h"
30 #include "common/ieee802_11_common.h"
31 #include "common/gas_server.h"
32 #include "common/dpp.h"
33 #include "crypto/random.h"
34 #include "blacklist.h"
35 #include "wpas_glue.h"
36 #include "wps_supplicant.h"
39 #include "gas_query.h"
40 #include "p2p_supplicant.h"
46 #include "offchannel.h"
47 #include "interworking.h"
51 #include "dpp_supplicant.h"
54 #define MAX_OWE_TRANSITION_BSS_SELECT_COUNT 5
57 #ifndef CONFIG_NO_SCAN_PROCESSING
58 static int wpas_select_network_from_last_scan(struct wpa_supplicant
*wpa_s
,
59 int new_scan
, int own_request
);
60 #endif /* CONFIG_NO_SCAN_PROCESSING */
63 int wpas_temp_disabled(struct wpa_supplicant
*wpa_s
, struct wpa_ssid
*ssid
)
65 struct os_reltime now
;
67 if (ssid
== NULL
|| ssid
->disabled_until
.sec
== 0)
71 if (ssid
->disabled_until
.sec
> now
.sec
)
72 return ssid
->disabled_until
.sec
- now
.sec
;
74 wpas_clear_temp_disabled(wpa_s
, ssid
, 0);
80 #ifndef CONFIG_NO_SCAN_PROCESSING
82 * wpas_reenabled_network_time - Time until first network is re-enabled
83 * @wpa_s: Pointer to wpa_supplicant data
84 * Returns: If all enabled networks are temporarily disabled, returns the time
85 * (in sec) until the first network is re-enabled. Otherwise returns 0.
87 * This function is used in case all enabled networks are temporarily disabled,
88 * in which case it returns the time (in sec) that the first network will be
89 * re-enabled. The function assumes that at least one network is enabled.
91 static int wpas_reenabled_network_time(struct wpa_supplicant
*wpa_s
)
93 struct wpa_ssid
*ssid
;
94 int disabled_for
, res
= 0;
96 #ifdef CONFIG_INTERWORKING
97 if (wpa_s
->conf
->auto_interworking
&& wpa_s
->conf
->interworking
&&
100 #endif /* CONFIG_INTERWORKING */
102 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
106 disabled_for
= wpas_temp_disabled(wpa_s
, ssid
);
110 if (!res
|| disabled_for
< res
)
116 #endif /* CONFIG_NO_SCAN_PROCESSING */
119 void wpas_network_reenabled(void *eloop_ctx
, void *timeout_ctx
)
121 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
123 if (wpa_s
->disconnected
|| wpa_s
->wpa_state
!= WPA_SCANNING
)
126 wpa_dbg(wpa_s
, MSG_DEBUG
,
127 "Try to associate due to network getting re-enabled");
128 if (wpa_supplicant_fast_associate(wpa_s
) != 1) {
129 wpa_supplicant_cancel_sched_scan(wpa_s
);
130 wpa_supplicant_req_scan(wpa_s
, 0, 0);
135 static struct wpa_bss
* wpa_supplicant_get_new_bss(
136 struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
138 struct wpa_bss
*bss
= NULL
;
139 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
141 if (ssid
->ssid_len
> 0)
142 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
->ssid
, ssid
->ssid_len
);
144 bss
= wpa_bss_get_bssid(wpa_s
, bssid
);
150 static void wpa_supplicant_update_current_bss(struct wpa_supplicant
*wpa_s
)
152 struct wpa_bss
*bss
= wpa_supplicant_get_new_bss(wpa_s
, wpa_s
->bssid
);
155 wpa_supplicant_update_scan_results(wpa_s
);
157 /* Get the BSS from the new scan results */
158 bss
= wpa_supplicant_get_new_bss(wpa_s
, wpa_s
->bssid
);
162 wpa_s
->current_bss
= bss
;
166 static int wpa_supplicant_select_config(struct wpa_supplicant
*wpa_s
)
168 struct wpa_ssid
*ssid
, *old_ssid
;
169 u8 drv_ssid
[SSID_MAX_LEN
];
173 if (wpa_s
->conf
->ap_scan
== 1 && wpa_s
->current_ssid
) {
174 wpa_supplicant_update_current_bss(wpa_s
);
176 if (wpa_s
->current_ssid
->ssid_len
== 0)
177 return 0; /* current profile still in use */
178 res
= wpa_drv_get_ssid(wpa_s
, drv_ssid
);
180 wpa_msg(wpa_s
, MSG_INFO
,
181 "Failed to read SSID from driver");
182 return 0; /* try to use current profile */
186 if (drv_ssid_len
== wpa_s
->current_ssid
->ssid_len
&&
187 os_memcmp(drv_ssid
, wpa_s
->current_ssid
->ssid
,
189 return 0; /* current profile still in use */
191 wpa_msg(wpa_s
, MSG_DEBUG
,
192 "Driver-initiated BSS selection changed the SSID to %s",
193 wpa_ssid_txt(drv_ssid
, drv_ssid_len
));
194 /* continue selecting a new network profile */
197 wpa_dbg(wpa_s
, MSG_DEBUG
, "Select network based on association "
199 ssid
= wpa_supplicant_get_ssid(wpa_s
);
201 wpa_msg(wpa_s
, MSG_INFO
,
202 "No network configuration found for the current AP");
206 if (wpas_network_disabled(wpa_s
, ssid
)) {
207 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is disabled");
211 if (disallowed_bssid(wpa_s
, wpa_s
->bssid
) ||
212 disallowed_ssid(wpa_s
, ssid
->ssid
, ssid
->ssid_len
)) {
213 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected BSS is disallowed");
217 res
= wpas_temp_disabled(wpa_s
, ssid
);
219 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is temporarily "
220 "disabled for %d second(s)", res
);
224 wpa_dbg(wpa_s
, MSG_DEBUG
, "Network configuration found for the "
226 if (wpa_key_mgmt_wpa_any(ssid
->key_mgmt
)) {
228 size_t wpa_ie_len
= sizeof(wpa_ie
);
229 if (wpa_supplicant_set_suites(wpa_s
, NULL
, ssid
,
230 wpa_ie
, &wpa_ie_len
) < 0)
231 wpa_dbg(wpa_s
, MSG_DEBUG
, "Could not set WPA suites");
233 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
236 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
!= ssid
)
237 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
238 old_ssid
= wpa_s
->current_ssid
;
239 wpa_s
->current_ssid
= ssid
;
241 wpa_supplicant_update_current_bss(wpa_s
);
243 wpa_supplicant_rsn_supp_set_config(wpa_s
, wpa_s
->current_ssid
);
244 wpa_supplicant_initiate_eapol(wpa_s
);
245 if (old_ssid
!= wpa_s
->current_ssid
)
246 wpas_notify_network_changed(wpa_s
);
252 void wpa_supplicant_stop_countermeasures(void *eloop_ctx
, void *sock_ctx
)
254 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
256 if (wpa_s
->countermeasures
) {
257 wpa_s
->countermeasures
= 0;
258 wpa_drv_set_countermeasures(wpa_s
, 0);
259 wpa_msg(wpa_s
, MSG_INFO
, "WPA: TKIP countermeasures stopped");
262 * It is possible that the device is sched scanning, which means
263 * that a connection attempt will be done only when we receive
264 * scan results. However, in this case, it would be preferable
265 * to scan and connect immediately, so cancel the sched_scan and
266 * issue a regular scan flow.
268 wpa_supplicant_cancel_sched_scan(wpa_s
);
269 wpa_supplicant_req_scan(wpa_s
, 0, 0);
274 void wpa_supplicant_mark_disassoc(struct wpa_supplicant
*wpa_s
)
278 wnm_bss_keep_alive_deinit(wpa_s
);
280 #ifdef CONFIG_IBSS_RSN
281 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
282 wpa_s
->ibss_rsn
= NULL
;
283 #endif /* CONFIG_IBSS_RSN */
286 wpa_supplicant_ap_deinit(wpa_s
);
287 #endif /* CONFIG_AP */
290 /* Clear possibly configured frame filters */
291 wpa_drv_configure_frame_filters(wpa_s
, 0);
292 #endif /* CONFIG_HS20 */
294 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
297 if (os_reltime_initialized(&wpa_s
->session_start
)) {
298 os_reltime_age(&wpa_s
->session_start
, &wpa_s
->session_length
);
299 wpa_s
->session_start
.sec
= 0;
300 wpa_s
->session_start
.usec
= 0;
301 wpas_notify_session_length(wpa_s
);
304 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
305 bssid_changed
= !is_zero_ether_addr(wpa_s
->bssid
);
306 os_memset(wpa_s
->bssid
, 0, ETH_ALEN
);
307 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
308 sme_clear_on_disassoc(wpa_s
);
309 wpa_s
->current_bss
= NULL
;
310 wpa_s
->assoc_freq
= 0;
313 wpas_notify_bssid_changed(wpa_s
);
315 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
316 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
317 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) ||
318 wpa_s
->key_mgmt
== WPA_KEY_MGMT_OWE
||
319 wpa_s
->key_mgmt
== WPA_KEY_MGMT_DPP
)
320 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
321 wpa_s
->ap_ies_from_associnfo
= 0;
322 wpa_s
->current_ssid
= NULL
;
323 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
326 wpas_rrm_reset(wpa_s
);
327 wpa_s
->wnmsleep_used
= 0;
328 wnm_clear_coloc_intf_reporting(wpa_s
);
330 #ifdef CONFIG_TESTING_OPTIONS
331 wpa_s
->last_tk_alg
= WPA_ALG_NONE
;
332 os_memset(wpa_s
->last_tk
, 0, sizeof(wpa_s
->last_tk
));
333 #endif /* CONFIG_TESTING_OPTIONS */
334 wpa_s
->ieee80211ac
= 0;
336 if (wpa_s
->enabled_4addr_mode
&& wpa_drv_set_4addr_mode(wpa_s
, 0) == 0)
337 wpa_s
->enabled_4addr_mode
= 0;
341 static void wpa_find_assoc_pmkid(struct wpa_supplicant
*wpa_s
)
343 struct wpa_ie_data ie
;
347 if (wpa_sm_parse_own_wpa_ie(wpa_s
->wpa
, &ie
) < 0 ||
351 for (i
= 0; i
< ie
.num_pmkid
; i
++) {
352 pmksa_set
= pmksa_cache_set_current(wpa_s
->wpa
,
353 ie
.pmkid
+ i
* PMKID_LEN
,
354 NULL
, NULL
, 0, NULL
, 0);
355 if (pmksa_set
== 0) {
356 eapol_sm_notify_pmkid_attempt(wpa_s
->eapol
);
361 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: PMKID from assoc IE %sfound from "
362 "PMKSA cache", pmksa_set
== 0 ? "" : "not ");
366 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant
*wpa_s
,
367 union wpa_event_data
*data
)
370 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: No data in PMKID candidate "
374 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: PMKID candidate event - bssid=" MACSTR
375 " index=%d preauth=%d",
376 MAC2STR(data
->pmkid_candidate
.bssid
),
377 data
->pmkid_candidate
.index
,
378 data
->pmkid_candidate
.preauth
);
380 pmksa_candidate_add(wpa_s
->wpa
, data
->pmkid_candidate
.bssid
,
381 data
->pmkid_candidate
.index
,
382 data
->pmkid_candidate
.preauth
);
386 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant
*wpa_s
)
388 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
389 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
)
392 #ifdef IEEE8021X_EAPOL
393 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
394 wpa_s
->current_ssid
&&
395 !(wpa_s
->current_ssid
->eapol_flags
&
396 (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
397 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
))) {
398 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
399 * plaintext or static WEP keys). */
402 #endif /* IEEE8021X_EAPOL */
409 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
410 * @wpa_s: pointer to wpa_supplicant data
411 * @ssid: Configuration data for the network
412 * Returns: 0 on success, -1 on failure
414 * This function is called when starting authentication with a network that is
415 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
417 int wpa_supplicant_scard_init(struct wpa_supplicant
*wpa_s
,
418 struct wpa_ssid
*ssid
)
420 #ifdef IEEE8021X_EAPOL
422 int aka
= 0, sim
= 0;
424 if ((ssid
!= NULL
&& ssid
->eap
.pcsc
== NULL
) ||
425 wpa_s
->scard
!= NULL
|| wpa_s
->conf
->external_sim
)
428 if (ssid
== NULL
|| ssid
->eap
.eap_methods
== NULL
) {
432 struct eap_method_type
*eap
= ssid
->eap
.eap_methods
;
433 while (eap
->vendor
!= EAP_VENDOR_IETF
||
434 eap
->method
!= EAP_TYPE_NONE
) {
435 if (eap
->vendor
== EAP_VENDOR_IETF
) {
436 if (eap
->method
== EAP_TYPE_SIM
)
438 else if (eap
->method
== EAP_TYPE_AKA
||
439 eap
->method
== EAP_TYPE_AKA_PRIME
)
446 if (eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_SIM
) == NULL
)
448 if (eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_AKA
) == NULL
&&
449 eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_AKA_PRIME
) ==
454 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is configured to "
455 "use SIM, but neither EAP-SIM nor EAP-AKA are "
460 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is configured to use SIM "
461 "(sim=%d aka=%d) - initialize PCSC", sim
, aka
);
463 wpa_s
->scard
= scard_init(wpa_s
->conf
->pcsc_reader
);
464 if (wpa_s
->scard
== NULL
) {
465 wpa_msg(wpa_s
, MSG_WARNING
, "Failed to initialize SIM "
469 wpa_sm_set_scard_ctx(wpa_s
->wpa
, wpa_s
->scard
);
470 eapol_sm_register_scard_ctx(wpa_s
->eapol
, wpa_s
->scard
);
471 #endif /* PCSC_FUNCS */
472 #endif /* IEEE8021X_EAPOL */
478 #ifndef CONFIG_NO_SCAN_PROCESSING
480 static int has_wep_key(struct wpa_ssid
*ssid
)
484 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
485 if (ssid
->wep_key_len
[i
])
493 static int wpa_supplicant_match_privacy(struct wpa_bss
*bss
,
494 struct wpa_ssid
*ssid
)
498 if (ssid
->mixed_cell
)
502 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)
504 #endif /* CONFIG_WPS */
507 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_OWE
) && !ssid
->owe_only
)
509 #endif /* CONFIG_OWE */
511 if (has_wep_key(ssid
))
514 #ifdef IEEE8021X_EAPOL
515 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) &&
516 ssid
->eapol_flags
& (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
517 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
))
519 #endif /* IEEE8021X_EAPOL */
521 if (wpa_key_mgmt_wpa(ssid
->key_mgmt
))
524 if (ssid
->key_mgmt
& WPA_KEY_MGMT_OSEN
)
527 if (bss
->caps
& IEEE80211_CAP_PRIVACY
)
533 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant
*wpa_s
,
534 struct wpa_ssid
*ssid
,
535 struct wpa_bss
*bss
, int debug_print
)
537 struct wpa_ie_data ie
;
539 const u8
*rsn_ie
, *wpa_ie
;
543 ret
= wpas_wps_ssid_bss_match(wpa_s
, ssid
, bss
);
547 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
548 wep_ok
= !wpa_key_mgmt_wpa(ssid
->key_mgmt
) &&
549 (((ssid
->key_mgmt
& WPA_KEY_MGMT_NONE
) &&
550 ssid
->wep_key_len
[ssid
->wep_tx_keyidx
] > 0) ||
551 (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
));
553 rsn_ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
554 while ((ssid
->proto
& (WPA_PROTO_RSN
| WPA_PROTO_OSEN
)) && rsn_ie
) {
557 if (wpa_parse_wpa_ie(rsn_ie
, 2 + rsn_ie
[1], &ie
)) {
559 wpa_dbg(wpa_s
, MSG_DEBUG
,
560 " skip RSN IE - parse failed");
563 if (!ie
.has_pairwise
)
564 ie
.pairwise_cipher
= wpa_default_rsn_cipher(bss
->freq
);
566 ie
.group_cipher
= wpa_default_rsn_cipher(bss
->freq
);
569 (ie
.group_cipher
& (WPA_CIPHER_WEP40
| WPA_CIPHER_WEP104
)))
572 wpa_dbg(wpa_s
, MSG_DEBUG
,
573 " selected based on TSN in RSN IE");
577 if (!(ie
.proto
& ssid
->proto
) &&
578 !(ssid
->proto
& WPA_PROTO_OSEN
)) {
580 wpa_dbg(wpa_s
, MSG_DEBUG
,
581 " skip RSN IE - proto mismatch");
585 if (!(ie
.pairwise_cipher
& ssid
->pairwise_cipher
)) {
587 wpa_dbg(wpa_s
, MSG_DEBUG
,
588 " skip RSN IE - PTK cipher mismatch");
592 if (!(ie
.group_cipher
& ssid
->group_cipher
)) {
594 wpa_dbg(wpa_s
, MSG_DEBUG
,
595 " skip RSN IE - GTK cipher mismatch");
599 if (ssid
->group_mgmt_cipher
&&
600 !(ie
.mgmt_group_cipher
& ssid
->group_mgmt_cipher
)) {
602 wpa_dbg(wpa_s
, MSG_DEBUG
,
603 " skip RSN IE - group mgmt cipher mismatch");
607 if (!(ie
.key_mgmt
& ssid
->key_mgmt
)) {
609 wpa_dbg(wpa_s
, MSG_DEBUG
,
610 " skip RSN IE - key mgmt mismatch");
614 #ifdef CONFIG_IEEE80211W
615 if (!(ie
.capabilities
& WPA_CAPABILITY_MFPC
) &&
616 wpas_get_ssid_pmf(wpa_s
, ssid
) ==
617 MGMT_FRAME_PROTECTION_REQUIRED
) {
619 wpa_dbg(wpa_s
, MSG_DEBUG
,
620 " skip RSN IE - no mgmt frame protection");
623 #endif /* CONFIG_IEEE80211W */
624 if ((ie
.capabilities
& WPA_CAPABILITY_MFPR
) &&
625 wpas_get_ssid_pmf(wpa_s
, ssid
) ==
626 NO_MGMT_FRAME_PROTECTION
) {
628 wpa_dbg(wpa_s
, MSG_DEBUG
,
629 " skip RSN IE - no mgmt frame protection enabled but AP requires it");
633 if (!(ie
.capabilities
& WPA_CAPABILITY_MFPC
) &&
634 wpas_mbo_get_bss_attr(bss
, MBO_ATTR_ID_AP_CAPA_IND
) &&
635 wpas_get_ssid_pmf(wpa_s
, ssid
) !=
636 NO_MGMT_FRAME_PROTECTION
) {
638 wpa_dbg(wpa_s
, MSG_DEBUG
,
639 " skip RSN IE - no mgmt frame protection enabled on MBO AP");
642 #endif /* CONFIG_MBO */
645 wpa_dbg(wpa_s
, MSG_DEBUG
,
646 " selected based on RSN IE");
650 #ifdef CONFIG_IEEE80211W
651 if (wpas_get_ssid_pmf(wpa_s
, ssid
) == MGMT_FRAME_PROTECTION_REQUIRED
&&
652 (!(ssid
->key_mgmt
& WPA_KEY_MGMT_OWE
) || ssid
->owe_only
)) {
654 wpa_dbg(wpa_s
, MSG_DEBUG
,
655 " skip - MFP Required but network not MFP Capable");
658 #endif /* CONFIG_IEEE80211W */
660 wpa_ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
661 while ((ssid
->proto
& WPA_PROTO_WPA
) && wpa_ie
) {
664 if (wpa_parse_wpa_ie(wpa_ie
, 2 + wpa_ie
[1], &ie
)) {
666 wpa_dbg(wpa_s
, MSG_DEBUG
,
667 " skip WPA IE - parse failed");
672 (ie
.group_cipher
& (WPA_CIPHER_WEP40
| WPA_CIPHER_WEP104
)))
675 wpa_dbg(wpa_s
, MSG_DEBUG
,
676 " selected based on TSN in WPA IE");
680 if (!(ie
.proto
& ssid
->proto
)) {
682 wpa_dbg(wpa_s
, MSG_DEBUG
,
683 " skip WPA IE - proto mismatch");
687 if (!(ie
.pairwise_cipher
& ssid
->pairwise_cipher
)) {
689 wpa_dbg(wpa_s
, MSG_DEBUG
,
690 " skip WPA IE - PTK cipher mismatch");
694 if (!(ie
.group_cipher
& ssid
->group_cipher
)) {
696 wpa_dbg(wpa_s
, MSG_DEBUG
,
697 " skip WPA IE - GTK cipher mismatch");
701 if (!(ie
.key_mgmt
& ssid
->key_mgmt
)) {
703 wpa_dbg(wpa_s
, MSG_DEBUG
,
704 " skip WPA IE - key mgmt mismatch");
709 wpa_dbg(wpa_s
, MSG_DEBUG
,
710 " selected based on WPA IE");
714 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) && !wpa_ie
&&
717 wpa_dbg(wpa_s
, MSG_DEBUG
,
718 " allow for non-WPA IEEE 802.1X");
723 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_OWE
) && !ssid
->owe_only
&&
724 !wpa_ie
&& !rsn_ie
) {
725 if (wpa_s
->owe_transition_select
&&
726 wpa_bss_get_vendor_ie(bss
, OWE_IE_VENDOR_TYPE
) &&
727 ssid
->owe_transition_bss_select_count
+ 1 <=
728 MAX_OWE_TRANSITION_BSS_SELECT_COUNT
) {
729 ssid
->owe_transition_bss_select_count
++;
731 wpa_dbg(wpa_s
, MSG_DEBUG
,
732 " skip OWE transition BSS (selection count %d does not exceed %d)",
733 ssid
->owe_transition_bss_select_count
,
734 MAX_OWE_TRANSITION_BSS_SELECT_COUNT
);
735 wpa_s
->owe_transition_search
= 1;
739 wpa_dbg(wpa_s
, MSG_DEBUG
,
740 " allow in OWE transition mode");
743 #endif /* CONFIG_OWE */
745 if ((ssid
->proto
& (WPA_PROTO_WPA
| WPA_PROTO_RSN
)) &&
746 wpa_key_mgmt_wpa(ssid
->key_mgmt
) && proto_match
== 0) {
748 wpa_dbg(wpa_s
, MSG_DEBUG
,
749 " skip - no WPA/RSN proto match");
753 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_OSEN
) &&
754 wpa_bss_get_vendor_ie(bss
, OSEN_IE_VENDOR_TYPE
)) {
756 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow in OSEN");
760 if (!wpa_key_mgmt_wpa(ssid
->key_mgmt
)) {
762 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow in non-WPA/WPA2");
767 wpa_dbg(wpa_s
, MSG_DEBUG
,
768 " reject due to mismatch with WPA/WPA2");
774 static int freq_allowed(int *freqs
, int freq
)
781 for (i
= 0; freqs
[i
]; i
++)
782 if (freqs
[i
] == freq
)
788 static int rate_match(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
791 const struct hostapd_hw_modes
*mode
= NULL
, *modes
;
792 const u8 scan_ie
[2] = { WLAN_EID_SUPP_RATES
, WLAN_EID_EXT_SUPP_RATES
};
797 return 1; /* Cannot do matching without knowing band */
799 modes
= wpa_s
->hw
.modes
;
802 * The driver does not provide any additional information
803 * about the utilized hardware, so allow the connection attempt
809 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
810 for (j
= 0; j
< modes
[i
].num_channels
; j
++) {
811 int freq
= modes
[i
].channels
[j
].freq
;
812 if (freq
== bss
->freq
) {
814 mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
815 break; /* do not allow 802.11b replace
826 for (i
= 0; i
< (int) sizeof(scan_ie
); i
++) {
827 rate_ie
= wpa_bss_get_ie(bss
, scan_ie
[i
]);
831 for (j
= 2; j
< rate_ie
[1] + 2; j
++) {
832 int flagged
= !!(rate_ie
[j
] & 0x80);
833 int r
= (rate_ie
[j
] & 0x7f) * 5;
836 * IEEE Std 802.11n-2009 7.3.2.2:
837 * The new BSS Membership selector value is encoded
838 * like a legacy basic rate, but it is not a rate and
839 * only indicates if the BSS members are required to
840 * support the mandatory features of Clause 20 [HT PHY]
841 * in order to join the BSS.
843 if (flagged
&& ((rate_ie
[j
] & 0x7f) ==
844 BSS_MEMBERSHIP_SELECTOR_HT_PHY
)) {
845 if (!ht_supported(mode
)) {
847 wpa_dbg(wpa_s
, MSG_DEBUG
,
848 " hardware does not support HT PHY");
854 /* There's also a VHT selector for 802.11ac */
855 if (flagged
&& ((rate_ie
[j
] & 0x7f) ==
856 BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)) {
857 if (!vht_supported(mode
)) {
859 wpa_dbg(wpa_s
, MSG_DEBUG
,
860 " hardware does not support VHT PHY");
869 /* check for legacy basic rates */
870 for (k
= 0; k
< mode
->num_rates
; k
++) {
871 if (mode
->rates
[k
] == r
)
874 if (k
== mode
->num_rates
) {
876 * IEEE Std 802.11-2007 7.3.2.2 demands that in
877 * order to join a BSS all required rates
878 * have to be supported by the hardware.
881 wpa_dbg(wpa_s
, MSG_DEBUG
,
882 " hardware does not support required rate %d.%d Mbps (freq=%d mode==%d num_rates=%d)",
884 bss
->freq
, mode
->mode
, mode
->num_rates
);
895 * Test whether BSS is in an ESS.
896 * This is done differently in DMG (60 GHz) and non-DMG bands
898 static int bss_is_ess(struct wpa_bss
*bss
)
900 if (bss_is_dmg(bss
)) {
901 return (bss
->caps
& IEEE80211_CAP_DMG_MASK
) ==
902 IEEE80211_CAP_DMG_AP
;
905 return ((bss
->caps
& (IEEE80211_CAP_ESS
| IEEE80211_CAP_IBSS
)) ==
910 static int match_mac_mask(const u8
*addr_a
, const u8
*addr_b
, const u8
*mask
)
914 for (i
= 0; i
< ETH_ALEN
; i
++) {
915 if ((addr_a
[i
] & mask
[i
]) != (addr_b
[i
] & mask
[i
]))
922 static int addr_in_list(const u8
*addr
, const u8
*list
, size_t num
)
926 for (i
= 0; i
< num
; i
++) {
927 const u8
*a
= list
+ i
* ETH_ALEN
* 2;
928 const u8
*m
= a
+ ETH_ALEN
;
930 if (match_mac_mask(a
, addr
, m
))
937 static void owe_trans_ssid(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
938 const u8
**ret_ssid
, size_t *ret_ssid_len
)
941 const u8
*owe
, *pos
, *end
, *bssid
;
943 struct wpa_bss
*open_bss
;
945 owe
= wpa_bss_get_vendor_ie(bss
, OWE_IE_VENDOR_TYPE
);
946 if (!owe
|| !wpa_bss_get_ie(bss
, WLAN_EID_RSN
))
950 end
= owe
+ 2 + owe
[1];
952 if (end
- pos
< ETH_ALEN
+ 1)
957 if (end
- pos
< ssid_len
|| ssid_len
> SSID_MAX_LEN
)
960 /* Match the profile SSID against the OWE transition mode SSID on the
962 wpa_dbg(wpa_s
, MSG_DEBUG
, "OWE: transition mode BSSID: " MACSTR
963 " SSID: %s", MAC2STR(bssid
), wpa_ssid_txt(pos
, ssid_len
));
965 *ret_ssid_len
= ssid_len
;
967 if (bss
->ssid_len
> 0)
970 open_bss
= wpa_bss_get_bssid_latest(wpa_s
, bssid
);
973 if (ssid_len
!= open_bss
->ssid_len
||
974 os_memcmp(pos
, open_bss
->ssid
, ssid_len
) != 0) {
975 wpa_dbg(wpa_s
, MSG_DEBUG
,
976 "OWE: transition mode SSID mismatch: %s",
977 wpa_ssid_txt(open_bss
->ssid
, open_bss
->ssid_len
));
981 owe
= wpa_bss_get_vendor_ie(open_bss
, OWE_IE_VENDOR_TYPE
);
982 if (!owe
|| wpa_bss_get_ie(open_bss
, WLAN_EID_RSN
)) {
983 wpa_dbg(wpa_s
, MSG_DEBUG
,
984 "OWE: transition mode open BSS unexpected info");
989 end
= owe
+ 2 + owe
[1];
991 if (end
- pos
< ETH_ALEN
+ 1)
993 if (os_memcmp(pos
, bss
->bssid
, ETH_ALEN
) != 0) {
994 wpa_dbg(wpa_s
, MSG_DEBUG
,
995 "OWE: transition mode BSSID mismatch: " MACSTR
,
1001 if (end
- pos
< ssid_len
|| ssid_len
> SSID_MAX_LEN
)
1003 wpa_dbg(wpa_s
, MSG_DEBUG
, "OWE: learned transition mode OWE SSID: %s",
1004 wpa_ssid_txt(pos
, ssid_len
));
1005 os_memcpy(bss
->ssid
, pos
, ssid_len
);
1006 bss
->ssid_len
= ssid_len
;
1007 #endif /* CONFIG_OWE */
1011 struct wpa_ssid
* wpa_scan_res_match(struct wpa_supplicant
*wpa_s
,
1012 int i
, struct wpa_bss
*bss
,
1013 struct wpa_ssid
*group
,
1014 int only_first_ssid
, int debug_print
)
1016 u8 wpa_ie_len
, rsn_ie_len
;
1018 struct wpa_blacklist
*e
;
1020 struct wpa_ssid
*ssid
;
1021 int osen
, rsn_osen
= 0;
1023 const u8
*assoc_disallow
;
1024 #endif /* CONFIG_MBO */
1025 const u8
*match_ssid
;
1026 size_t match_ssid_len
;
1027 struct wpa_ie_data data
;
1029 ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
1030 wpa_ie_len
= ie
? ie
[1] : 0;
1032 ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
1033 rsn_ie_len
= ie
? ie
[1] : 0;
1034 if (ie
&& wpa_parse_wpa_ie_rsn(ie
, 2 + ie
[1], &data
) == 0 &&
1035 (data
.key_mgmt
& WPA_KEY_MGMT_OSEN
))
1038 ie
= wpa_bss_get_vendor_ie(bss
, OSEN_IE_VENDOR_TYPE
);
1042 wpa_dbg(wpa_s
, MSG_DEBUG
, "%d: " MACSTR
1043 " ssid='%s' wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d freq=%d %s%s%s",
1044 i
, MAC2STR(bss
->bssid
),
1045 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
),
1046 wpa_ie_len
, rsn_ie_len
, bss
->caps
, bss
->level
,
1048 wpa_bss_get_vendor_ie(bss
, WPS_IE_VENDOR_TYPE
) ?
1050 (wpa_bss_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) ||
1051 wpa_bss_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
))
1053 osen
? " osen=1" : "");
1056 e
= wpa_blacklist_get(wpa_s
, bss
->bssid
);
1059 if (wpa_supplicant_enabled_networks(wpa_s
) == 1) {
1061 * When only a single network is enabled, we can
1062 * trigger blacklisting on the first failure. This
1063 * should not be done with multiple enabled networks to
1064 * avoid getting forced to move into a worse ESS on
1065 * single error if there are no other BSSes of the
1070 if (e
->count
> limit
) {
1072 wpa_dbg(wpa_s
, MSG_DEBUG
,
1073 " skip - blacklisted (count=%d limit=%d)",
1080 match_ssid
= bss
->ssid
;
1081 match_ssid_len
= bss
->ssid_len
;
1082 owe_trans_ssid(wpa_s
, bss
, &match_ssid
, &match_ssid_len
);
1084 if (match_ssid_len
== 0) {
1086 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID not known");
1090 if (disallowed_bssid(wpa_s
, bss
->bssid
)) {
1092 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - BSSID disallowed");
1096 if (disallowed_ssid(wpa_s
, match_ssid
, match_ssid_len
)) {
1098 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID disallowed");
1102 wpa
= wpa_ie_len
> 0 || rsn_ie_len
> 0;
1104 for (ssid
= group
; ssid
; ssid
= only_first_ssid
? NULL
: ssid
->pnext
) {
1105 int check_ssid
= wpa
? 1 : (ssid
->ssid_len
!= 0);
1108 if (wpas_network_disabled(wpa_s
, ssid
)) {
1110 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - disabled");
1114 res
= wpas_temp_disabled(wpa_s
, ssid
);
1117 wpa_dbg(wpa_s
, MSG_DEBUG
,
1118 " skip - disabled temporarily for %d second(s)",
1124 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) && e
&& e
->count
> 0) {
1126 wpa_dbg(wpa_s
, MSG_DEBUG
,
1127 " skip - blacklisted (WPS)");
1131 if (wpa
&& ssid
->ssid_len
== 0 &&
1132 wpas_wps_ssid_wildcard_ok(wpa_s
, ssid
, bss
))
1135 if (!wpa
&& (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
1136 /* Only allow wildcard SSID match if an AP
1137 * advertises active WPS operation that matches
1140 if (ssid
->ssid_len
== 0 &&
1141 wpas_wps_ssid_wildcard_ok(wpa_s
, ssid
, bss
))
1144 #endif /* CONFIG_WPS */
1146 if (ssid
->bssid_set
&& ssid
->ssid_len
== 0 &&
1147 os_memcmp(bss
->bssid
, ssid
->bssid
, ETH_ALEN
) == 0)
1151 (match_ssid_len
!= ssid
->ssid_len
||
1152 os_memcmp(match_ssid
, ssid
->ssid
, match_ssid_len
) != 0)) {
1154 wpa_dbg(wpa_s
, MSG_DEBUG
,
1155 " skip - SSID mismatch");
1159 if (ssid
->bssid_set
&&
1160 os_memcmp(bss
->bssid
, ssid
->bssid
, ETH_ALEN
) != 0) {
1162 wpa_dbg(wpa_s
, MSG_DEBUG
,
1163 " skip - BSSID mismatch");
1167 /* check blacklist */
1168 if (ssid
->num_bssid_blacklist
&&
1169 addr_in_list(bss
->bssid
, ssid
->bssid_blacklist
,
1170 ssid
->num_bssid_blacklist
)) {
1172 wpa_dbg(wpa_s
, MSG_DEBUG
,
1173 " skip - BSSID blacklisted");
1177 /* if there is a whitelist, only accept those APs */
1178 if (ssid
->num_bssid_whitelist
&&
1179 !addr_in_list(bss
->bssid
, ssid
->bssid_whitelist
,
1180 ssid
->num_bssid_whitelist
)) {
1182 wpa_dbg(wpa_s
, MSG_DEBUG
,
1183 " skip - BSSID not in whitelist");
1187 if (!wpa_supplicant_ssid_bss_match(wpa_s
, ssid
, bss
,
1191 if (!osen
&& !wpa
&&
1192 !(ssid
->key_mgmt
& WPA_KEY_MGMT_NONE
) &&
1193 !(ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
1194 !(ssid
->key_mgmt
& WPA_KEY_MGMT_OWE
) &&
1195 !(ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) {
1197 wpa_dbg(wpa_s
, MSG_DEBUG
,
1198 " skip - non-WPA network not allowed");
1202 if (wpa
&& !wpa_key_mgmt_wpa(ssid
->key_mgmt
) &&
1203 has_wep_key(ssid
)) {
1205 wpa_dbg(wpa_s
, MSG_DEBUG
,
1206 " skip - ignore WPA/WPA2 AP for WEP network block");
1210 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_OSEN
) && !osen
&&
1213 wpa_dbg(wpa_s
, MSG_DEBUG
,
1214 " skip - non-OSEN network not allowed");
1218 if (!wpa_supplicant_match_privacy(bss
, ssid
)) {
1220 wpa_dbg(wpa_s
, MSG_DEBUG
,
1221 " skip - privacy mismatch");
1225 if (ssid
->mode
!= IEEE80211_MODE_MESH
&& !bss_is_ess(bss
) &&
1226 !bss_is_pbss(bss
)) {
1228 wpa_dbg(wpa_s
, MSG_DEBUG
,
1229 " skip - not ESS, PBSS, or MBSS");
1233 if (ssid
->pbss
!= 2 && ssid
->pbss
!= bss_is_pbss(bss
)) {
1235 wpa_dbg(wpa_s
, MSG_DEBUG
,
1236 " skip - PBSS mismatch (ssid %d bss %d)",
1237 ssid
->pbss
, bss_is_pbss(bss
));
1241 if (!freq_allowed(ssid
->freq_list
, bss
->freq
)) {
1243 wpa_dbg(wpa_s
, MSG_DEBUG
,
1244 " skip - frequency not allowed");
1249 if (ssid
->mode
== IEEE80211_MODE_MESH
&& ssid
->frequency
> 0 &&
1250 ssid
->frequency
!= bss
->freq
) {
1252 wpa_dbg(wpa_s
, MSG_DEBUG
,
1253 " skip - frequency not allowed (mesh)");
1256 #endif /* CONFIG_MESH */
1258 if (!rate_match(wpa_s
, bss
, debug_print
)) {
1260 wpa_dbg(wpa_s
, MSG_DEBUG
,
1261 " skip - rate sets do not match");
1265 #ifndef CONFIG_IBSS_RSN
1266 if (ssid
->mode
== WPAS_MODE_IBSS
&&
1267 !(ssid
->key_mgmt
& (WPA_KEY_MGMT_NONE
|
1268 WPA_KEY_MGMT_WPA_NONE
))) {
1270 wpa_dbg(wpa_s
, MSG_DEBUG
,
1271 " skip - IBSS RSN not supported in the build");
1274 #endif /* !CONFIG_IBSS_RSN */
1277 if (ssid
->p2p_group
&&
1278 !wpa_bss_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
1279 !wpa_bss_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
1281 wpa_dbg(wpa_s
, MSG_DEBUG
,
1282 " skip - no P2P IE seen");
1286 if (!is_zero_ether_addr(ssid
->go_p2p_dev_addr
)) {
1287 struct wpabuf
*p2p_ie
;
1288 u8 dev_addr
[ETH_ALEN
];
1290 ie
= wpa_bss_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
);
1293 wpa_dbg(wpa_s
, MSG_DEBUG
,
1294 " skip - no P2P element");
1297 p2p_ie
= wpa_bss_get_vendor_ie_multi(
1298 bss
, P2P_IE_VENDOR_TYPE
);
1299 if (p2p_ie
== NULL
) {
1301 wpa_dbg(wpa_s
, MSG_DEBUG
,
1302 " skip - could not fetch P2P element");
1306 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie
, dev_addr
) < 0
1307 || os_memcmp(dev_addr
, ssid
->go_p2p_dev_addr
,
1310 wpa_dbg(wpa_s
, MSG_DEBUG
,
1311 " skip - no matching GO P2P Device Address in P2P element");
1312 wpabuf_free(p2p_ie
);
1315 wpabuf_free(p2p_ie
);
1319 * TODO: skip the AP if its P2P IE has Group Formation
1320 * bit set in the P2P Group Capability Bitmap and we
1321 * are not in Group Formation with that device.
1323 #endif /* CONFIG_P2P */
1325 if (os_reltime_before(&bss
->last_update
, &wpa_s
->scan_min_time
))
1327 struct os_reltime diff
;
1329 os_reltime_sub(&wpa_s
->scan_min_time
,
1330 &bss
->last_update
, &diff
);
1332 wpa_dbg(wpa_s
, MSG_DEBUG
,
1333 " skip - scan result not recent enough (%u.%06u seconds too old)",
1334 (unsigned int) diff
.sec
,
1335 (unsigned int) diff
.usec
);
1339 #ifdef CONFIG_TESTING_OPTIONS
1340 if (wpa_s
->ignore_assoc_disallow
)
1341 goto skip_assoc_disallow
;
1342 #endif /* CONFIG_TESTING_OPTIONS */
1343 assoc_disallow
= wpas_mbo_get_bss_attr(
1344 bss
, MBO_ATTR_ID_ASSOC_DISALLOW
);
1345 if (assoc_disallow
&& assoc_disallow
[1] >= 1) {
1347 wpa_dbg(wpa_s
, MSG_DEBUG
,
1348 " skip - MBO association disallowed (reason %u)",
1353 if (wpa_is_bss_tmp_disallowed(wpa_s
, bss
)) {
1355 wpa_dbg(wpa_s
, MSG_DEBUG
,
1356 " skip - AP temporarily disallowed");
1359 #ifdef CONFIG_TESTING_OPTIONS
1360 skip_assoc_disallow
:
1361 #endif /* CONFIG_TESTING_OPTIONS */
1362 #endif /* CONFIG_MBO */
1365 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_DPP
) &&
1366 !wpa_sm_pmksa_exists(wpa_s
->wpa
, bss
->bssid
, ssid
) &&
1367 (!ssid
->dpp_connector
||
1368 !ssid
->dpp_netaccesskey
||
1369 !ssid
->dpp_csign
)) {
1371 wpa_dbg(wpa_s
, MSG_DEBUG
,
1372 " skip - no PMKSA entry for DPP");
1375 #endif /* CONFIG_DPP */
1377 /* Matching configuration found */
1381 /* No matching configuration found */
1386 static struct wpa_bss
*
1387 wpa_supplicant_select_bss(struct wpa_supplicant
*wpa_s
,
1388 struct wpa_ssid
*group
,
1389 struct wpa_ssid
**selected_ssid
,
1390 int only_first_ssid
)
1394 if (wpa_s
->current_ssid
) {
1395 struct wpa_ssid
*ssid
;
1397 wpa_dbg(wpa_s
, MSG_DEBUG
,
1398 "Scan results matching the currently selected network");
1399 for (i
= 0; i
< wpa_s
->last_scan_res_used
; i
++) {
1400 struct wpa_bss
*bss
= wpa_s
->last_scan_res
[i
];
1402 ssid
= wpa_scan_res_match(wpa_s
, i
, bss
, group
,
1403 only_first_ssid
, 0);
1404 if (ssid
!= wpa_s
->current_ssid
)
1406 wpa_dbg(wpa_s
, MSG_DEBUG
, "%u: " MACSTR
1407 " freq=%d level=%d snr=%d est_throughput=%u",
1408 i
, MAC2STR(bss
->bssid
), bss
->freq
, bss
->level
,
1409 bss
->snr
, bss
->est_throughput
);
1413 if (only_first_ssid
)
1414 wpa_dbg(wpa_s
, MSG_DEBUG
, "Try to find BSS matching pre-selected network id=%d",
1417 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selecting BSS from priority group %d",
1420 for (i
= 0; i
< wpa_s
->last_scan_res_used
; i
++) {
1421 struct wpa_bss
*bss
= wpa_s
->last_scan_res
[i
];
1423 wpa_s
->owe_transition_select
= 1;
1424 *selected_ssid
= wpa_scan_res_match(wpa_s
, i
, bss
, group
,
1425 only_first_ssid
, 1);
1426 wpa_s
->owe_transition_select
= 0;
1427 if (!*selected_ssid
)
1429 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected BSS " MACSTR
1431 MAC2STR(bss
->bssid
),
1432 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
1440 struct wpa_bss
* wpa_supplicant_pick_network(struct wpa_supplicant
*wpa_s
,
1441 struct wpa_ssid
**selected_ssid
)
1443 struct wpa_bss
*selected
= NULL
;
1445 struct wpa_ssid
*next_ssid
= NULL
;
1446 struct wpa_ssid
*ssid
;
1448 if (wpa_s
->last_scan_res
== NULL
||
1449 wpa_s
->last_scan_res_used
== 0)
1450 return NULL
; /* no scan results from last update */
1452 if (wpa_s
->next_ssid
) {
1453 /* check that next_ssid is still valid */
1454 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
1455 if (ssid
== wpa_s
->next_ssid
)
1459 wpa_s
->next_ssid
= NULL
;
1462 while (selected
== NULL
) {
1463 for (prio
= 0; prio
< wpa_s
->conf
->num_prio
; prio
++) {
1464 if (next_ssid
&& next_ssid
->priority
==
1465 wpa_s
->conf
->pssid
[prio
]->priority
) {
1466 selected
= wpa_supplicant_select_bss(
1467 wpa_s
, next_ssid
, selected_ssid
, 1);
1471 selected
= wpa_supplicant_select_bss(
1472 wpa_s
, wpa_s
->conf
->pssid
[prio
],
1478 if (selected
== NULL
&& wpa_s
->blacklist
&&
1479 !wpa_s
->countermeasures
) {
1480 wpa_dbg(wpa_s
, MSG_DEBUG
, "No APs found - clear "
1481 "blacklist and try again");
1482 wpa_blacklist_clear(wpa_s
);
1483 wpa_s
->blacklist_cleared
++;
1484 } else if (selected
== NULL
)
1488 ssid
= *selected_ssid
;
1489 if (selected
&& ssid
&& ssid
->mem_only_psk
&& !ssid
->psk_set
&&
1490 !ssid
->passphrase
&& !ssid
->ext_psk
) {
1491 const char *field_name
, *txt
= NULL
;
1493 wpa_dbg(wpa_s
, MSG_DEBUG
,
1494 "PSK/passphrase not yet available for the selected network");
1496 wpas_notify_network_request(wpa_s
, ssid
,
1497 WPA_CTRL_REQ_PSK_PASSPHRASE
, NULL
);
1499 field_name
= wpa_supplicant_ctrl_req_to_string(
1500 WPA_CTRL_REQ_PSK_PASSPHRASE
, NULL
, &txt
);
1501 if (field_name
== NULL
)
1504 wpas_send_ctrl_req(wpa_s
, ssid
, field_name
, txt
);
1513 static void wpa_supplicant_req_new_scan(struct wpa_supplicant
*wpa_s
,
1514 int timeout_sec
, int timeout_usec
)
1516 if (!wpa_supplicant_enabled_networks(wpa_s
)) {
1518 * No networks are enabled; short-circuit request so
1519 * we don't wait timeout seconds before transitioning
1520 * to INACTIVE state.
1522 wpa_dbg(wpa_s
, MSG_DEBUG
, "Short-circuit new scan request "
1523 "since there are no enabled networks");
1524 wpa_supplicant_set_state(wpa_s
, WPA_INACTIVE
);
1528 wpa_s
->scan_for_connection
= 1;
1529 wpa_supplicant_req_scan(wpa_s
, timeout_sec
, timeout_usec
);
1533 int wpa_supplicant_connect(struct wpa_supplicant
*wpa_s
,
1534 struct wpa_bss
*selected
,
1535 struct wpa_ssid
*ssid
)
1537 if (wpas_wps_scan_pbc_overlap(wpa_s
, selected
, ssid
)) {
1538 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_OVERLAP
1539 "PBC session overlap");
1540 wpas_notify_wps_event_pbc_overlap(wpa_s
);
1542 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
1543 wpa_s
->p2p_in_provisioning
) {
1544 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb
,
1548 #endif /* CONFIG_P2P */
1551 wpas_wps_pbc_overlap(wpa_s
);
1552 wpas_wps_cancel(wpa_s
);
1553 #endif /* CONFIG_WPS */
1557 wpa_msg(wpa_s
, MSG_DEBUG
,
1558 "Considering connect request: reassociate: %d selected: "
1559 MACSTR
" bssid: " MACSTR
" pending: " MACSTR
1560 " wpa_state: %s ssid=%p current_ssid=%p",
1561 wpa_s
->reassociate
, MAC2STR(selected
->bssid
),
1562 MAC2STR(wpa_s
->bssid
), MAC2STR(wpa_s
->pending_bssid
),
1563 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
1564 ssid
, wpa_s
->current_ssid
);
1567 * Do not trigger new association unless the BSSID has changed or if
1568 * reassociation is requested. If we are in process of associating with
1569 * the selected BSSID, do not trigger new attempt.
1571 if (wpa_s
->reassociate
||
1572 (os_memcmp(selected
->bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0 &&
1573 ((wpa_s
->wpa_state
!= WPA_ASSOCIATING
&&
1574 wpa_s
->wpa_state
!= WPA_AUTHENTICATING
) ||
1575 (!is_zero_ether_addr(wpa_s
->pending_bssid
) &&
1576 os_memcmp(selected
->bssid
, wpa_s
->pending_bssid
, ETH_ALEN
) !=
1578 (is_zero_ether_addr(wpa_s
->pending_bssid
) &&
1579 ssid
!= wpa_s
->current_ssid
)))) {
1580 if (wpa_supplicant_scard_init(wpa_s
, ssid
)) {
1581 wpa_supplicant_req_new_scan(wpa_s
, 10, 0);
1584 wpa_msg(wpa_s
, MSG_DEBUG
, "Request association with " MACSTR
,
1585 MAC2STR(selected
->bssid
));
1586 wpa_supplicant_associate(wpa_s
, selected
, ssid
);
1588 wpa_dbg(wpa_s
, MSG_DEBUG
, "Already associated or trying to "
1589 "connect with the selected AP");
1596 static struct wpa_ssid
*
1597 wpa_supplicant_pick_new_network(struct wpa_supplicant
*wpa_s
)
1600 struct wpa_ssid
*ssid
;
1602 for (prio
= 0; prio
< wpa_s
->conf
->num_prio
; prio
++) {
1603 for (ssid
= wpa_s
->conf
->pssid
[prio
]; ssid
; ssid
= ssid
->pnext
)
1605 if (wpas_network_disabled(wpa_s
, ssid
))
1607 #ifndef CONFIG_IBSS_RSN
1608 if (ssid
->mode
== WPAS_MODE_IBSS
&&
1609 !(ssid
->key_mgmt
& (WPA_KEY_MGMT_NONE
|
1610 WPA_KEY_MGMT_WPA_NONE
))) {
1611 wpa_msg(wpa_s
, MSG_INFO
,
1612 "IBSS RSN not supported in the build - cannot use the profile for SSID '%s'",
1613 wpa_ssid_txt(ssid
->ssid
,
1617 #endif /* !CONFIG_IBSS_RSN */
1618 if (ssid
->mode
== IEEE80211_MODE_IBSS
||
1619 ssid
->mode
== IEEE80211_MODE_AP
||
1620 ssid
->mode
== IEEE80211_MODE_MESH
)
1628 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1629 * on BSS added and BSS changed events */
1630 static void wpa_supplicant_rsn_preauth_scan_results(
1631 struct wpa_supplicant
*wpa_s
)
1633 struct wpa_bss
*bss
;
1635 if (rsn_preauth_scan_results(wpa_s
->wpa
) < 0)
1638 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1639 const u8
*ssid
, *rsn
;
1641 ssid
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
1645 rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
1649 rsn_preauth_scan_result(wpa_s
->wpa
, bss
->bssid
, ssid
, rsn
);
1655 static int wpa_supplicant_need_to_roam(struct wpa_supplicant
*wpa_s
,
1656 struct wpa_bss
*selected
,
1657 struct wpa_ssid
*ssid
)
1659 struct wpa_bss
*current_bss
= NULL
;
1660 #ifndef CONFIG_NO_ROAMING
1663 int cur_est
, sel_est
;
1664 #endif /* CONFIG_NO_ROAMING */
1666 if (wpa_s
->reassociate
)
1667 return 1; /* explicit request to reassociate */
1668 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
1669 return 1; /* we are not associated; continue */
1670 if (wpa_s
->current_ssid
== NULL
)
1671 return 1; /* unknown current SSID */
1672 if (wpa_s
->current_ssid
!= ssid
)
1673 return 1; /* different network block */
1675 if (wpas_driver_bss_selection(wpa_s
))
1676 return 0; /* Driver-based roaming */
1678 if (wpa_s
->current_ssid
->ssid
)
1679 current_bss
= wpa_bss_get(wpa_s
, wpa_s
->bssid
,
1680 wpa_s
->current_ssid
->ssid
,
1681 wpa_s
->current_ssid
->ssid_len
);
1683 current_bss
= wpa_bss_get_bssid(wpa_s
, wpa_s
->bssid
);
1686 return 1; /* current BSS not seen in scan results */
1688 if (current_bss
== selected
)
1691 if (selected
->last_update_idx
> current_bss
->last_update_idx
)
1692 return 1; /* current BSS not seen in the last scan */
1694 #ifndef CONFIG_NO_ROAMING
1695 wpa_dbg(wpa_s
, MSG_DEBUG
, "Considering within-ESS reassociation");
1696 wpa_dbg(wpa_s
, MSG_DEBUG
, "Current BSS: " MACSTR
1697 " freq=%d level=%d snr=%d est_throughput=%u",
1698 MAC2STR(current_bss
->bssid
),
1699 current_bss
->freq
, current_bss
->level
,
1700 current_bss
->snr
, current_bss
->est_throughput
);
1701 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected BSS: " MACSTR
1702 " freq=%d level=%d snr=%d est_throughput=%u",
1703 MAC2STR(selected
->bssid
), selected
->freq
, selected
->level
,
1704 selected
->snr
, selected
->est_throughput
);
1706 if (wpa_s
->current_ssid
->bssid_set
&&
1707 os_memcmp(selected
->bssid
, wpa_s
->current_ssid
->bssid
, ETH_ALEN
) ==
1709 wpa_dbg(wpa_s
, MSG_DEBUG
, "Allow reassociation - selected BSS "
1710 "has preferred BSSID");
1714 if (selected
->est_throughput
> current_bss
->est_throughput
+ 5000) {
1715 wpa_dbg(wpa_s
, MSG_DEBUG
,
1716 "Allow reassociation - selected BSS has better estimated throughput");
1720 to_5ghz
= selected
->freq
> 4000 && current_bss
->freq
< 4000;
1722 if (current_bss
->level
< 0 &&
1723 current_bss
->level
> selected
->level
+ to_5ghz
* 2) {
1724 wpa_dbg(wpa_s
, MSG_DEBUG
, "Skip roam - Current BSS has better "
1729 if (current_bss
->est_throughput
> selected
->est_throughput
+ 5000) {
1730 wpa_dbg(wpa_s
, MSG_DEBUG
,
1731 "Skip roam - Current BSS has better estimated throughput");
1735 cur_est
= current_bss
->est_throughput
;
1736 sel_est
= selected
->est_throughput
;
1738 if (current_bss
->level
< 0) {
1739 if (current_bss
->level
< -85)
1741 else if (current_bss
->level
< -80)
1743 else if (current_bss
->level
< -75)
1745 else if (current_bss
->level
< -70)
1749 if (cur_est
> sel_est
* 1.5)
1751 else if (cur_est
> sel_est
* 1.2)
1753 else if (cur_est
> sel_est
* 1.1)
1755 else if (cur_est
> sel_est
)
1761 /* Make it easier to move to 5 GHz band */
1762 if (sel_est
> cur_est
* 1.5)
1764 else if (sel_est
> cur_est
* 1.2)
1766 else if (sel_est
> cur_est
* 1.1)
1769 if (min_diff
> reduce
)
1774 diff
= abs(current_bss
->level
- selected
->level
);
1775 if (diff
< min_diff
) {
1776 wpa_dbg(wpa_s
, MSG_DEBUG
,
1777 "Skip roam - too small difference in signal level (%d < %d)",
1782 wpa_dbg(wpa_s
, MSG_DEBUG
,
1783 "Allow reassociation due to difference in signal level (%d >= %d)",
1786 #else /* CONFIG_NO_ROAMING */
1788 #endif /* CONFIG_NO_ROAMING */
1793 * Return a negative value if no scan results could be fetched or if scan
1794 * results should not be shared with other virtual interfaces.
1795 * Return 0 if scan results were fetched and may be shared with other
1797 * Return 1 if scan results may be shared with other virtual interfaces but may
1798 * not trigger any operations.
1799 * Return 2 if the interface was removed and cannot be used.
1801 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant
*wpa_s
,
1802 union wpa_event_data
*data
,
1803 int own_request
, int update_only
)
1805 struct wpa_scan_results
*scan_res
= NULL
;
1808 #ifndef CONFIG_NO_RANDOM_POOL
1810 #endif /* CONFIG_NO_RANDOM_POOL */
1813 if (wpa_s
->ap_iface
)
1815 #endif /* CONFIG_AP */
1817 wpa_supplicant_notify_scanning(wpa_s
, 0);
1819 scan_res
= wpa_supplicant_get_scan_results(wpa_s
,
1820 data
? &data
->scan_info
:
1822 if (scan_res
== NULL
) {
1823 if (wpa_s
->conf
->ap_scan
== 2 || ap
||
1824 wpa_s
->scan_res_handler
== scan_only_handler
)
1828 if (data
&& data
->scan_info
.external_scan
)
1830 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to get scan results - try "
1832 wpa_supplicant_req_new_scan(wpa_s
, 1, 0);
1834 goto scan_work_done
;
1837 #ifndef CONFIG_NO_RANDOM_POOL
1838 num
= scan_res
->num
;
1841 for (i
= 0; i
< num
; i
++) {
1843 struct wpa_scan_res
*res
= scan_res
->res
[i
];
1844 buf
[0] = res
->bssid
[5];
1845 buf
[1] = res
->qual
& 0xff;
1846 buf
[2] = res
->noise
& 0xff;
1847 buf
[3] = res
->level
& 0xff;
1848 buf
[4] = res
->tsf
& 0xff;
1849 random_add_randomness(buf
, sizeof(buf
));
1851 #endif /* CONFIG_NO_RANDOM_POOL */
1855 goto scan_work_done
;
1858 if (own_request
&& wpa_s
->scan_res_handler
&&
1859 !(data
&& data
->scan_info
.external_scan
)) {
1860 void (*scan_res_handler
)(struct wpa_supplicant
*wpa_s
,
1861 struct wpa_scan_results
*scan_res
);
1863 scan_res_handler
= wpa_s
->scan_res_handler
;
1864 wpa_s
->scan_res_handler
= NULL
;
1865 scan_res_handler(wpa_s
, scan_res
);
1867 goto scan_work_done
;
1871 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore scan results in AP mode");
1873 if (wpa_s
->ap_iface
->scan_cb
)
1874 wpa_s
->ap_iface
->scan_cb(wpa_s
->ap_iface
);
1875 #endif /* CONFIG_AP */
1876 goto scan_work_done
;
1879 wpa_dbg(wpa_s
, MSG_DEBUG
, "New scan results available (own=%u ext=%u)",
1880 wpa_s
->own_scan_running
,
1881 data
? data
->scan_info
.external_scan
: 0);
1882 if (wpa_s
->last_scan_req
== MANUAL_SCAN_REQ
&&
1883 wpa_s
->manual_scan_use_id
&& wpa_s
->own_scan_running
&&
1884 own_request
&& !(data
&& data
->scan_info
.external_scan
)) {
1885 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_RESULTS
"id=%u",
1886 wpa_s
->manual_scan_id
);
1887 wpa_s
->manual_scan_use_id
= 0;
1889 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_RESULTS
);
1891 wpas_notify_scan_results(wpa_s
);
1893 wpas_notify_scan_done(wpa_s
, 1);
1895 if (data
&& data
->scan_info
.external_scan
) {
1896 wpa_dbg(wpa_s
, MSG_DEBUG
, "Do not use results from externally requested scan operation for network selection");
1897 wpa_scan_results_free(scan_res
);
1901 if (wnm_scan_process(wpa_s
, 1) > 0)
1902 goto scan_work_done
;
1904 if (sme_proc_obss_scan(wpa_s
) > 0)
1905 goto scan_work_done
;
1907 if (own_request
&& data
&&
1908 wpas_beacon_rep_scan_process(wpa_s
, scan_res
, &data
->scan_info
) > 0)
1909 goto scan_work_done
;
1911 if ((wpa_s
->conf
->ap_scan
== 2 && !wpas_wps_searching(wpa_s
)))
1912 goto scan_work_done
;
1914 if (autoscan_notify_scan(wpa_s
, scan_res
))
1915 goto scan_work_done
;
1917 if (wpa_s
->disconnected
) {
1918 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1919 goto scan_work_done
;
1922 if (!wpas_driver_bss_selection(wpa_s
) &&
1923 bgscan_notify_scan(wpa_s
, scan_res
) == 1)
1924 goto scan_work_done
;
1926 wpas_wps_update_ap_info(wpa_s
, scan_res
);
1928 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
&&
1929 wpa_s
->wpa_state
< WPA_COMPLETED
)
1930 goto scan_work_done
;
1932 wpa_scan_results_free(scan_res
);
1934 if (own_request
&& wpa_s
->scan_work
) {
1935 struct wpa_radio_work
*work
= wpa_s
->scan_work
;
1936 wpa_s
->scan_work
= NULL
;
1937 radio_work_done(work
);
1940 return wpas_select_network_from_last_scan(wpa_s
, 1, own_request
);
1943 wpa_scan_results_free(scan_res
);
1944 if (own_request
&& wpa_s
->scan_work
) {
1945 struct wpa_radio_work
*work
= wpa_s
->scan_work
;
1946 wpa_s
->scan_work
= NULL
;
1947 radio_work_done(work
);
1953 static int wpas_select_network_from_last_scan(struct wpa_supplicant
*wpa_s
,
1954 int new_scan
, int own_request
)
1956 struct wpa_bss
*selected
;
1957 struct wpa_ssid
*ssid
= NULL
;
1958 int time_to_reenable
= wpas_reenabled_network_time(wpa_s
);
1960 if (time_to_reenable
> 0) {
1961 wpa_dbg(wpa_s
, MSG_DEBUG
,
1962 "Postpone network selection by %d seconds since all networks are disabled",
1964 eloop_cancel_timeout(wpas_network_reenabled
, wpa_s
, NULL
);
1965 eloop_register_timeout(time_to_reenable
, 0,
1966 wpas_network_reenabled
, wpa_s
, NULL
);
1970 if (wpa_s
->p2p_mgmt
)
1971 return 0; /* no normal connection on p2p_mgmt interface */
1973 wpa_s
->owe_transition_search
= 0;
1974 selected
= wpa_supplicant_pick_network(wpa_s
, &ssid
);
1978 wpa_msg(wpa_s
, MSG_INFO
,
1979 "Avoiding join because we already joined a mesh group");
1982 #endif /* CONFIG_MESH */
1986 skip
= !wpa_supplicant_need_to_roam(wpa_s
, selected
, ssid
);
1989 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1993 if (ssid
!= wpa_s
->current_ssid
&&
1994 wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
1995 wpa_s
->own_disconnect_req
= 1;
1996 wpa_supplicant_deauthenticate(
1997 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2000 if (wpa_supplicant_connect(wpa_s
, selected
, ssid
) < 0) {
2001 wpa_dbg(wpa_s
, MSG_DEBUG
, "Connect failed");
2005 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
2007 * Do not allow other virtual radios to trigger operations based
2008 * on these scan results since we do not want them to start
2009 * other associations at the same time.
2013 wpa_dbg(wpa_s
, MSG_DEBUG
, "No suitable network found");
2014 ssid
= wpa_supplicant_pick_new_network(wpa_s
);
2016 wpa_dbg(wpa_s
, MSG_DEBUG
, "Setup a new network");
2017 wpa_supplicant_associate(wpa_s
, NULL
, ssid
);
2019 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
2020 } else if (own_request
) {
2022 * No SSID found. If SCAN results are as a result of
2023 * own scan request and not due to a scan request on
2024 * another shared interface, try another scan.
2026 int timeout_sec
= wpa_s
->scan_interval
;
2027 int timeout_usec
= 0;
2031 res
= wpas_p2p_scan_no_go_seen(wpa_s
);
2037 if (wpa_s
->p2p_in_provisioning
||
2038 wpa_s
->show_group_started
||
2039 wpa_s
->p2p_in_invitation
) {
2041 * Use shorter wait during P2P Provisioning
2042 * state and during P2P join-a-group operation
2043 * to speed up group formation.
2046 timeout_usec
= 250000;
2047 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
2051 #endif /* CONFIG_P2P */
2052 #ifdef CONFIG_INTERWORKING
2053 if (wpa_s
->conf
->auto_interworking
&&
2054 wpa_s
->conf
->interworking
&&
2055 wpa_s
->conf
->cred
) {
2056 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interworking: "
2057 "start ANQP fetch since no matching "
2059 wpa_s
->network_select
= 1;
2060 wpa_s
->auto_network_select
= 1;
2061 interworking_start_fetch_anqp(wpa_s
);
2064 #endif /* CONFIG_INTERWORKING */
2066 if (wpa_s
->after_wps
> 0 || wpas_wps_searching(wpa_s
)) {
2067 wpa_dbg(wpa_s
, MSG_DEBUG
, "Use shorter wait during WPS processing");
2069 timeout_usec
= 500000;
2070 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
2074 #endif /* CONFIG_WPS */
2076 if (wpa_s
->owe_transition_search
) {
2077 wpa_dbg(wpa_s
, MSG_DEBUG
,
2078 "OWE: Use shorter wait during transition mode search");
2080 timeout_usec
= 500000;
2081 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
2085 #endif /* CONFIG_OWE */
2086 if (wpa_supplicant_req_sched_scan(wpa_s
))
2087 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
2090 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
2091 WPA_EVENT_NETWORK_NOT_FOUND
);
2098 static int wpa_supplicant_event_scan_results(struct wpa_supplicant
*wpa_s
,
2099 union wpa_event_data
*data
)
2101 struct wpa_supplicant
*ifs
;
2104 res
= _wpa_supplicant_event_scan_results(wpa_s
, data
, 1, 0);
2107 * Interface may have been removed, so must not dereference
2115 * If no scan results could be fetched, then no need to
2116 * notify those interfaces that did not actually request
2117 * this scan. Similarly, if scan results started a new operation on this
2118 * interface, do not notify other interfaces to avoid concurrent
2119 * operations during a connection attempt.
2125 * Check other interfaces to see if they share the same radio. If
2126 * so, they get updated with this same scan info.
2128 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
2131 wpa_printf(MSG_DEBUG
, "%s: Updating scan results from "
2132 "sibling", ifs
->ifname
);
2133 res
= _wpa_supplicant_event_scan_results(ifs
, data
, 0,
2143 #endif /* CONFIG_NO_SCAN_PROCESSING */
2146 int wpa_supplicant_fast_associate(struct wpa_supplicant
*wpa_s
)
2148 #ifdef CONFIG_NO_SCAN_PROCESSING
2150 #else /* CONFIG_NO_SCAN_PROCESSING */
2151 struct os_reltime now
;
2153 wpa_s
->ignore_post_flush_scan_res
= 0;
2155 if (wpa_s
->last_scan_res_used
== 0)
2158 os_get_reltime(&now
);
2159 if (os_reltime_expired(&now
, &wpa_s
->last_scan
, 5)) {
2160 wpa_printf(MSG_DEBUG
, "Fast associate: Old scan results");
2164 return wpas_select_network_from_last_scan(wpa_s
, 0, 1);
2165 #endif /* CONFIG_NO_SCAN_PROCESSING */
2170 static void wnm_bss_keep_alive(void *eloop_ctx
, void *sock_ctx
)
2172 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2174 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
2177 if (!wpa_s
->no_keep_alive
) {
2178 wpa_printf(MSG_DEBUG
, "WNM: Send keep-alive to AP " MACSTR
,
2179 MAC2STR(wpa_s
->bssid
));
2180 /* TODO: could skip this if normal data traffic has been sent */
2181 /* TODO: Consider using some more appropriate data frame for
2184 l2_packet_send(wpa_s
->l2
, wpa_s
->bssid
, 0x0800,
2189 if (wpa_s
->sme
.bss_max_idle_period
) {
2191 msec
= wpa_s
->sme
.bss_max_idle_period
* 1024; /* times 1000 */
2194 eloop_register_timeout(msec
/ 1000, msec
% 1000 * 1000,
2195 wnm_bss_keep_alive
, wpa_s
, NULL
);
2197 #endif /* CONFIG_SME */
2201 static void wnm_process_assoc_resp(struct wpa_supplicant
*wpa_s
,
2202 const u8
*ies
, size_t ies_len
)
2204 struct ieee802_11_elems elems
;
2209 if (ieee802_11_parse_elems(ies
, ies_len
, &elems
, 1) == ParseFailed
)
2213 if (elems
.bss_max_idle_period
) {
2215 wpa_s
->sme
.bss_max_idle_period
=
2216 WPA_GET_LE16(elems
.bss_max_idle_period
);
2217 wpa_printf(MSG_DEBUG
, "WNM: BSS Max Idle Period: %u (* 1000 "
2218 "TU)%s", wpa_s
->sme
.bss_max_idle_period
,
2219 (elems
.bss_max_idle_period
[2] & 0x01) ?
2220 " (protected keep-live required)" : "");
2221 if (wpa_s
->sme
.bss_max_idle_period
== 0)
2222 wpa_s
->sme
.bss_max_idle_period
= 1;
2223 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) {
2224 eloop_cancel_timeout(wnm_bss_keep_alive
, wpa_s
, NULL
);
2225 /* msec times 1000 */
2226 msec
= wpa_s
->sme
.bss_max_idle_period
* 1024;
2229 eloop_register_timeout(msec
/ 1000, msec
% 1000 * 1000,
2230 wnm_bss_keep_alive
, wpa_s
,
2234 #endif /* CONFIG_SME */
2237 #endif /* CONFIG_WNM */
2240 void wnm_bss_keep_alive_deinit(struct wpa_supplicant
*wpa_s
)
2243 eloop_cancel_timeout(wnm_bss_keep_alive
, wpa_s
, NULL
);
2244 #endif /* CONFIG_WNM */
2248 #ifdef CONFIG_INTERWORKING
2250 static int wpas_qos_map_set(struct wpa_supplicant
*wpa_s
, const u8
*qos_map
,
2255 wpa_hexdump(MSG_DEBUG
, "Interworking: QoS Map Set", qos_map
, len
);
2256 res
= wpa_drv_set_qos_map(wpa_s
, qos_map
, len
);
2258 wpa_printf(MSG_DEBUG
, "Interworking: Failed to configure QoS Map Set to the driver");
2265 static void interworking_process_assoc_resp(struct wpa_supplicant
*wpa_s
,
2266 const u8
*ies
, size_t ies_len
)
2268 struct ieee802_11_elems elems
;
2273 if (ieee802_11_parse_elems(ies
, ies_len
, &elems
, 1) == ParseFailed
)
2276 if (elems
.qos_map_set
) {
2277 wpas_qos_map_set(wpa_s
, elems
.qos_map_set
,
2278 elems
.qos_map_set_len
);
2282 #endif /* CONFIG_INTERWORKING */
2285 static void multi_ap_process_assoc_resp(struct wpa_supplicant
*wpa_s
,
2286 const u8
*ies
, size_t ies_len
)
2288 struct ieee802_11_elems elems
;
2289 const u8
*map_sub_elem
, *pos
;
2292 if (!wpa_s
->current_ssid
||
2293 !wpa_s
->current_ssid
->multi_ap_backhaul_sta
||
2295 ieee802_11_parse_elems(ies
, ies_len
, &elems
, 1) == ParseFailed
)
2298 if (!elems
.multi_ap
|| elems
.multi_ap_len
< 7) {
2299 wpa_printf(MSG_INFO
, "AP doesn't support Multi-AP protocol");
2303 pos
= elems
.multi_ap
+ 4;
2304 len
= elems
.multi_ap_len
- 4;
2306 map_sub_elem
= get_ie(pos
, len
, MULTI_AP_SUB_ELEM_TYPE
);
2307 if (!map_sub_elem
|| map_sub_elem
[1] < 1) {
2308 wpa_printf(MSG_INFO
, "invalid Multi-AP sub elem type");
2312 if (!(map_sub_elem
[2] & MULTI_AP_BACKHAUL_BSS
)) {
2313 if ((map_sub_elem
[2] & MULTI_AP_FRONTHAUL_BSS
) &&
2314 wpa_s
->current_ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) {
2315 wpa_printf(MSG_INFO
,
2316 "WPS active, accepting fronthaul-only BSS");
2317 /* Don't set 4addr mode in this case, so just return */
2320 wpa_printf(MSG_INFO
, "AP doesn't support backhaul BSS");
2324 if (wpa_drv_set_4addr_mode(wpa_s
, 1) < 0) {
2325 wpa_printf(MSG_ERROR
, "Failed to set 4addr mode");
2328 wpa_s
->enabled_4addr_mode
= 1;
2332 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2337 static int wpas_fst_update_mbie(struct wpa_supplicant
*wpa_s
,
2338 const u8
*ie
, size_t ie_len
)
2340 struct mb_ies_info mb_ies
;
2342 if (!ie
|| !ie_len
|| !wpa_s
->fst
)
2345 os_memset(&mb_ies
, 0, sizeof(mb_ies
));
2347 while (ie_len
>= 2 && mb_ies
.nof_ies
< MAX_NOF_MB_IES_SUPPORTED
) {
2352 wpa_hexdump(MSG_DEBUG
, "FST: Truncated IE found",
2357 if (ie
[0] == WLAN_EID_MULTI_BAND
) {
2358 wpa_printf(MSG_DEBUG
, "MB IE of %u bytes found",
2359 (unsigned int) len
);
2360 mb_ies
.ies
[mb_ies
.nof_ies
].ie
= ie
+ 2;
2361 mb_ies
.ies
[mb_ies
.nof_ies
].ie_len
= len
- 2;
2369 if (mb_ies
.nof_ies
> 0) {
2370 wpabuf_free(wpa_s
->received_mb_ies
);
2371 wpa_s
->received_mb_ies
= mb_ies_by_info(&mb_ies
);
2377 #endif /* CONFIG_FST */
2380 static int wpa_supplicant_event_associnfo(struct wpa_supplicant
*wpa_s
,
2381 union wpa_event_data
*data
)
2383 int l
, len
, found
= 0, wpa_found
, rsn_found
;
2385 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_OWE)
2387 #endif /* CONFIG_IEEE80211R || CONFIG_OWE */
2389 wpa_dbg(wpa_s
, MSG_DEBUG
, "Association info event");
2390 if (data
->assoc_info
.req_ies
)
2391 wpa_hexdump(MSG_DEBUG
, "req_ies", data
->assoc_info
.req_ies
,
2392 data
->assoc_info
.req_ies_len
);
2393 if (data
->assoc_info
.resp_ies
) {
2394 wpa_hexdump(MSG_DEBUG
, "resp_ies", data
->assoc_info
.resp_ies
,
2395 data
->assoc_info
.resp_ies_len
);
2397 wpa_tdls_assoc_resp_ies(wpa_s
->wpa
, data
->assoc_info
.resp_ies
,
2398 data
->assoc_info
.resp_ies_len
);
2399 #endif /* CONFIG_TDLS */
2401 wnm_process_assoc_resp(wpa_s
, data
->assoc_info
.resp_ies
,
2402 data
->assoc_info
.resp_ies_len
);
2403 #endif /* CONFIG_WNM */
2404 #ifdef CONFIG_INTERWORKING
2405 interworking_process_assoc_resp(wpa_s
, data
->assoc_info
.resp_ies
,
2406 data
->assoc_info
.resp_ies_len
);
2407 #endif /* CONFIG_INTERWORKING */
2408 if (wpa_s
->hw_capab
== CAPAB_VHT
&&
2409 get_ie(data
->assoc_info
.resp_ies
,
2410 data
->assoc_info
.resp_ies_len
, WLAN_EID_VHT_CAP
))
2411 wpa_s
->ieee80211ac
= 1;
2413 multi_ap_process_assoc_resp(wpa_s
, data
->assoc_info
.resp_ies
,
2414 data
->assoc_info
.resp_ies_len
);
2416 if (data
->assoc_info
.beacon_ies
)
2417 wpa_hexdump(MSG_DEBUG
, "beacon_ies",
2418 data
->assoc_info
.beacon_ies
,
2419 data
->assoc_info
.beacon_ies_len
);
2420 if (data
->assoc_info
.freq
)
2421 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq=%u MHz",
2422 data
->assoc_info
.freq
);
2424 wpa_s
->connection_set
= 0;
2425 if (data
->assoc_info
.req_ies
&& data
->assoc_info
.resp_ies
) {
2426 struct ieee802_11_elems req_elems
, resp_elems
;
2428 if (ieee802_11_parse_elems(data
->assoc_info
.req_ies
,
2429 data
->assoc_info
.req_ies_len
,
2430 &req_elems
, 0) != ParseFailed
&&
2431 ieee802_11_parse_elems(data
->assoc_info
.resp_ies
,
2432 data
->assoc_info
.resp_ies_len
,
2433 &resp_elems
, 0) != ParseFailed
) {
2434 wpa_s
->connection_set
= 1;
2435 wpa_s
->connection_ht
= req_elems
.ht_capabilities
&&
2436 resp_elems
.ht_capabilities
;
2437 wpa_s
->connection_vht
= req_elems
.vht_capabilities
&&
2438 resp_elems
.vht_capabilities
;
2439 wpa_s
->connection_he
= req_elems
.he_capabilities
&&
2440 resp_elems
.he_capabilities
;
2444 p
= data
->assoc_info
.req_ies
;
2445 l
= data
->assoc_info
.req_ies_len
;
2447 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
2448 while (p
&& l
>= 2) {
2451 wpa_hexdump(MSG_DEBUG
, "Truncated IE in assoc_info",
2455 if ((p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 6 &&
2456 (os_memcmp(&p
[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
2457 (p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 4 &&
2458 (os_memcmp(&p
[2], "\x50\x6F\x9A\x12", 4) == 0)) ||
2459 (p
[0] == WLAN_EID_RSN
&& p
[1] >= 2)) {
2460 if (wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, p
, len
))
2463 wpa_find_assoc_pmkid(wpa_s
);
2469 if (!found
&& data
->assoc_info
.req_ies
)
2470 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
2474 if ((wpa_s
->sme
.auth_alg
== WPA_AUTH_ALG_FILS
||
2475 wpa_s
->sme
.auth_alg
== WPA_AUTH_ALG_FILS_SK_PFS
) &&
2476 (!data
->assoc_info
.resp_frame
||
2477 fils_process_assoc_resp(wpa_s
->wpa
,
2478 data
->assoc_info
.resp_frame
,
2479 data
->assoc_info
.resp_frame_len
) < 0)) {
2480 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_UNSPECIFIED
);
2483 #endif /* CONFIG_SME */
2485 /* Additional processing for FILS when SME is in driver */
2486 if (wpa_s
->auth_alg
== WPA_AUTH_ALG_FILS
&&
2487 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
))
2488 wpa_sm_set_reset_fils_completed(wpa_s
->wpa
, 1);
2489 #endif /* CONFIG_FILS */
2492 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_OWE
&&
2493 (wpa_drv_get_bssid(wpa_s
, bssid
) < 0 ||
2494 owe_process_assoc_resp(wpa_s
->wpa
, bssid
,
2495 data
->assoc_info
.resp_ies
,
2496 data
->assoc_info
.resp_ies_len
) < 0)) {
2497 wpa_supplicant_deauthenticate(wpa_s
, WLAN_REASON_UNSPECIFIED
);
2500 #endif /* CONFIG_OWE */
2503 wpa_sm_set_dpp_z(wpa_s
->wpa
, NULL
);
2504 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_DPP
&& wpa_s
->dpp_pfs
) {
2505 struct ieee802_11_elems elems
;
2507 if (ieee802_11_parse_elems(data
->assoc_info
.resp_ies
,
2508 data
->assoc_info
.resp_ies_len
,
2509 &elems
, 0) == ParseFailed
||
2512 if (dpp_pfs_process(wpa_s
->dpp_pfs
, elems
.owe_dh
,
2513 elems
.owe_dh_len
) < 0) {
2514 wpa_supplicant_deauthenticate(wpa_s
,
2515 WLAN_REASON_UNSPECIFIED
);
2519 wpa_sm_set_dpp_z(wpa_s
->wpa
, wpa_s
->dpp_pfs
->secret
);
2522 #endif /* CONFIG_DPP2 */
2524 #ifdef CONFIG_IEEE80211R
2526 if (wpa_s
->sme
.auth_alg
== WPA_AUTH_ALG_FT
) {
2527 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0 ||
2528 wpa_ft_validate_reassoc_resp(wpa_s
->wpa
,
2529 data
->assoc_info
.resp_ies
,
2530 data
->assoc_info
.resp_ies_len
,
2532 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Validation of "
2533 "Reassociation Response failed");
2534 wpa_supplicant_deauthenticate(
2535 wpa_s
, WLAN_REASON_INVALID_IE
);
2540 p
= data
->assoc_info
.resp_ies
;
2541 l
= data
->assoc_info
.resp_ies_len
;
2543 #ifdef CONFIG_WPS_STRICT
2544 if (p
&& wpa_s
->current_ssid
&&
2545 wpa_s
->current_ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
2547 wps
= ieee802_11_vendor_ie_concat(p
, l
, WPS_IE_VENDOR_TYPE
);
2549 wpa_msg(wpa_s
, MSG_INFO
, "WPS-STRICT: AP did not "
2550 "include WPS IE in (Re)Association Response");
2554 if (wps_validate_assoc_resp(wps
) < 0) {
2556 wpa_supplicant_deauthenticate(
2557 wpa_s
, WLAN_REASON_INVALID_IE
);
2562 #endif /* CONFIG_WPS_STRICT */
2564 /* Go through the IEs and make a copy of the MDIE, if present. */
2565 while (p
&& l
>= 2) {
2568 wpa_hexdump(MSG_DEBUG
, "Truncated IE in assoc_info",
2572 if (p
[0] == WLAN_EID_MOBILITY_DOMAIN
&&
2573 p
[1] >= MOBILITY_DOMAIN_ID_LEN
) {
2574 wpa_s
->sme
.ft_used
= 1;
2575 os_memcpy(wpa_s
->sme
.mobility_domain
, p
+ 2,
2576 MOBILITY_DOMAIN_ID_LEN
);
2582 #endif /* CONFIG_SME */
2584 /* Process FT when SME is in the driver */
2585 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
2586 wpa_ft_is_completed(wpa_s
->wpa
)) {
2587 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0 ||
2588 wpa_ft_validate_reassoc_resp(wpa_s
->wpa
,
2589 data
->assoc_info
.resp_ies
,
2590 data
->assoc_info
.resp_ies_len
,
2592 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Validation of "
2593 "Reassociation Response failed");
2594 wpa_supplicant_deauthenticate(
2595 wpa_s
, WLAN_REASON_INVALID_IE
);
2598 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Reassociation Response done");
2601 wpa_sm_set_ft_params(wpa_s
->wpa
, data
->assoc_info
.resp_ies
,
2602 data
->assoc_info
.resp_ies_len
);
2603 #endif /* CONFIG_IEEE80211R */
2605 /* WPA/RSN IE from Beacon/ProbeResp */
2606 p
= data
->assoc_info
.beacon_ies
;
2607 l
= data
->assoc_info
.beacon_ies_len
;
2609 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
2611 wpa_found
= rsn_found
= 0;
2612 while (p
&& l
>= 2) {
2615 wpa_hexdump(MSG_DEBUG
, "Truncated IE in beacon_ies",
2620 p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 6 &&
2621 os_memcmp(&p
[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
2623 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, p
, len
);
2627 p
[0] == WLAN_EID_RSN
&& p
[1] >= 2) {
2629 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, p
, len
);
2636 if (!wpa_found
&& data
->assoc_info
.beacon_ies
)
2637 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, NULL
, 0);
2638 if (!rsn_found
&& data
->assoc_info
.beacon_ies
)
2639 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, NULL
, 0);
2640 if (wpa_found
|| rsn_found
)
2641 wpa_s
->ap_ies_from_associnfo
= 1;
2643 if (wpa_s
->assoc_freq
&& data
->assoc_info
.freq
&&
2644 wpa_s
->assoc_freq
!= data
->assoc_info
.freq
) {
2645 wpa_printf(MSG_DEBUG
, "Operating frequency changed from "
2647 wpa_s
->assoc_freq
, data
->assoc_info
.freq
);
2648 wpa_supplicant_update_scan_results(wpa_s
);
2651 wpa_s
->assoc_freq
= data
->assoc_info
.freq
;
2657 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant
*wpa_s
)
2659 const u8
*bss_wpa
= NULL
, *bss_rsn
= NULL
;
2661 if (!wpa_s
->current_bss
|| !wpa_s
->current_ssid
)
2664 if (!wpa_key_mgmt_wpa_any(wpa_s
->current_ssid
->key_mgmt
))
2667 bss_wpa
= wpa_bss_get_vendor_ie(wpa_s
->current_bss
,
2668 WPA_IE_VENDOR_TYPE
);
2669 bss_rsn
= wpa_bss_get_ie(wpa_s
->current_bss
, WLAN_EID_RSN
);
2671 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, bss_wpa
,
2672 bss_wpa
? 2 + bss_wpa
[1] : 0) ||
2673 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, bss_rsn
,
2674 bss_rsn
? 2 + bss_rsn
[1] : 0))
2681 static void wpas_fst_update_mb_assoc(struct wpa_supplicant
*wpa_s
,
2682 union wpa_event_data
*data
)
2685 struct assoc_info
*ai
= data
? &data
->assoc_info
: NULL
;
2686 struct wpa_bss
*bss
= wpa_s
->current_bss
;
2687 const u8
*ieprb
, *iebcn
;
2689 wpabuf_free(wpa_s
->received_mb_ies
);
2690 wpa_s
->received_mb_ies
= NULL
;
2693 !wpas_fst_update_mbie(wpa_s
, ai
->resp_ies
, ai
->resp_ies_len
)) {
2694 wpa_printf(MSG_DEBUG
,
2695 "FST: MB IEs updated from Association Response frame");
2700 !wpas_fst_update_mbie(wpa_s
, ai
->beacon_ies
, ai
->beacon_ies_len
)) {
2701 wpa_printf(MSG_DEBUG
,
2702 "FST: MB IEs updated from association event Beacon IEs");
2709 ieprb
= (const u8
*) (bss
+ 1);
2710 iebcn
= ieprb
+ bss
->ie_len
;
2712 if (!wpas_fst_update_mbie(wpa_s
, ieprb
, bss
->ie_len
))
2713 wpa_printf(MSG_DEBUG
, "FST: MB IEs updated from bss IE");
2714 else if (!wpas_fst_update_mbie(wpa_s
, iebcn
, bss
->beacon_ie_len
))
2715 wpa_printf(MSG_DEBUG
, "FST: MB IEs updated from bss beacon IE");
2716 #endif /* CONFIG_FST */
2720 static void wpa_supplicant_event_assoc(struct wpa_supplicant
*wpa_s
,
2721 union wpa_event_data
*data
)
2724 int ft_completed
, already_authorized
;
2728 if (wpa_s
->ap_iface
) {
2731 hostapd_notif_assoc(wpa_s
->ap_iface
->bss
[0],
2732 data
->assoc_info
.addr
,
2733 data
->assoc_info
.req_ies
,
2734 data
->assoc_info
.req_ies_len
,
2735 data
->assoc_info
.reassoc
);
2738 #endif /* CONFIG_AP */
2740 eloop_cancel_timeout(wpas_network_reenabled
, wpa_s
, NULL
);
2742 ft_completed
= wpa_ft_is_completed(wpa_s
->wpa
);
2743 if (data
&& wpa_supplicant_event_associnfo(wpa_s
, data
) < 0)
2746 * FILS authentication can share the same mechanism to mark the
2747 * connection fully authenticated, so set ft_completed also based on
2751 ft_completed
= wpa_fils_is_completed(wpa_s
->wpa
);
2753 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0) {
2754 wpa_dbg(wpa_s
, MSG_ERROR
, "Failed to get BSSID");
2755 wpa_supplicant_deauthenticate(
2756 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2760 wpa_supplicant_set_state(wpa_s
, WPA_ASSOCIATED
);
2761 if (os_memcmp(bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0) {
2762 if (os_reltime_initialized(&wpa_s
->session_start
)) {
2763 os_reltime_age(&wpa_s
->session_start
,
2764 &wpa_s
->session_length
);
2765 wpa_s
->session_start
.sec
= 0;
2766 wpa_s
->session_start
.usec
= 0;
2767 wpas_notify_session_length(wpa_s
);
2769 wpas_notify_auth_changed(wpa_s
);
2770 os_get_reltime(&wpa_s
->session_start
);
2772 wpa_dbg(wpa_s
, MSG_DEBUG
, "Associated to a new BSS: BSSID="
2773 MACSTR
, MAC2STR(bssid
));
2775 random_add_randomness(bssid
, ETH_ALEN
);
2776 os_memcpy(wpa_s
->bssid
, bssid
, ETH_ALEN
);
2777 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
2778 wpas_notify_bssid_changed(wpa_s
);
2780 if (wpa_supplicant_dynamic_keys(wpa_s
) && !ft_completed
) {
2781 wpa_clear_keys(wpa_s
, bssid
);
2783 if (wpa_supplicant_select_config(wpa_s
) < 0) {
2784 wpa_supplicant_deauthenticate(
2785 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2790 if (wpa_s
->conf
->ap_scan
== 1 &&
2791 wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_BSS_SELECTION
) {
2792 if (wpa_supplicant_assoc_update_ie(wpa_s
) < 0 && new_bss
)
2793 wpa_msg(wpa_s
, MSG_WARNING
,
2794 "WPA/RSN IEs not updated");
2797 wpas_fst_update_mb_assoc(wpa_s
, data
);
2800 os_memcpy(wpa_s
->sme
.prev_bssid
, bssid
, ETH_ALEN
);
2801 wpa_s
->sme
.prev_bssid_set
= 1;
2802 wpa_s
->sme
.last_unprot_disconnect
.sec
= 0;
2803 #endif /* CONFIG_SME */
2805 wpa_msg(wpa_s
, MSG_INFO
, "Associated with " MACSTR
, MAC2STR(bssid
));
2806 if (wpa_s
->current_ssid
) {
2807 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
2808 * initialized before association, but for other modes,
2809 * initialize PC/SC here, if the current configuration needs
2810 * smartcard or SIM/USIM. */
2811 wpa_supplicant_scard_init(wpa_s
, wpa_s
->current_ssid
);
2813 wpa_sm_notify_assoc(wpa_s
->wpa
, bssid
);
2815 l2_packet_notify_auth_start(wpa_s
->l2
);
2817 already_authorized
= data
&& data
->assoc_info
.authorized
;
2820 * Set portEnabled first to FALSE in order to get EAP state machine out
2821 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
2822 * state machine may transit to AUTHENTICATING state based on obsolete
2823 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
2824 * AUTHENTICATED without ever giving chance to EAP state machine to
2827 if (!ft_completed
&& !already_authorized
) {
2828 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
2829 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
2831 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) ||
2832 wpa_s
->key_mgmt
== WPA_KEY_MGMT_DPP
||
2833 wpa_s
->key_mgmt
== WPA_KEY_MGMT_OWE
|| ft_completed
||
2835 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
2836 /* 802.1X::portControl = Auto */
2837 eapol_sm_notify_portEnabled(wpa_s
->eapol
, TRUE
);
2838 wpa_s
->eapol_received
= 0;
2839 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
2840 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
||
2841 (wpa_s
->current_ssid
&&
2842 wpa_s
->current_ssid
->mode
== IEEE80211_MODE_IBSS
)) {
2843 if (wpa_s
->current_ssid
&&
2844 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
&&
2846 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE
)) {
2848 * Set the key after having received joined-IBSS event
2851 wpa_supplicant_set_wpa_none_key(wpa_s
,
2852 wpa_s
->current_ssid
);
2854 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2855 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
2856 } else if (!ft_completed
) {
2857 /* Timeout for receiving the first EAPOL packet */
2858 wpa_supplicant_req_auth_timeout(wpa_s
, 10, 0);
2860 wpa_supplicant_cancel_scan(wpa_s
);
2864 * FT protocol completed - make sure EAPOL state machine ends
2865 * up in authenticated.
2867 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2868 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
2869 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
2870 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
2871 } else if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK
) &&
2872 wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
)) {
2874 * We are done; the driver will take care of RSN 4-way
2877 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2878 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
2879 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
2880 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
2881 } else if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X
) &&
2882 wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
2884 * The driver will take care of RSN 4-way handshake, so we need
2885 * to allow EAPOL supplicant to complete its work without
2886 * waiting for WPA supplicant.
2888 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
2891 wpa_s
->last_eapol_matches_bssid
= 0;
2893 if (wpa_s
->pending_eapol_rx
) {
2894 struct os_reltime now
, age
;
2895 os_get_reltime(&now
);
2896 os_reltime_sub(&now
, &wpa_s
->pending_eapol_rx_time
, &age
);
2897 if (age
.sec
== 0 && age
.usec
< 200000 &&
2898 os_memcmp(wpa_s
->pending_eapol_rx_src
, bssid
, ETH_ALEN
) ==
2900 wpa_dbg(wpa_s
, MSG_DEBUG
, "Process pending EAPOL "
2901 "frame that was received just before "
2902 "association notification");
2903 wpa_supplicant_rx_eapol(
2904 wpa_s
, wpa_s
->pending_eapol_rx_src
,
2905 wpabuf_head(wpa_s
->pending_eapol_rx
),
2906 wpabuf_len(wpa_s
->pending_eapol_rx
));
2908 wpabuf_free(wpa_s
->pending_eapol_rx
);
2909 wpa_s
->pending_eapol_rx
= NULL
;
2912 if ((wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
2913 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) &&
2914 wpa_s
->current_ssid
&&
2915 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE
)) {
2916 /* Set static WEP keys again */
2917 wpa_set_wep_keys(wpa_s
, wpa_s
->current_ssid
);
2920 #ifdef CONFIG_IBSS_RSN
2921 if (wpa_s
->current_ssid
&&
2922 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
&&
2923 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
2924 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
&&
2925 wpa_s
->ibss_rsn
== NULL
) {
2926 wpa_s
->ibss_rsn
= ibss_rsn_init(wpa_s
, wpa_s
->current_ssid
);
2927 if (!wpa_s
->ibss_rsn
) {
2928 wpa_msg(wpa_s
, MSG_INFO
, "Failed to init IBSS RSN");
2929 wpa_supplicant_deauthenticate(
2930 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2934 ibss_rsn_set_psk(wpa_s
->ibss_rsn
, wpa_s
->current_ssid
->psk
);
2936 #endif /* CONFIG_IBSS_RSN */
2938 wpas_wps_notify_assoc(wpa_s
, bssid
);
2941 wmm_ac_notify_assoc(wpa_s
, data
->assoc_info
.resp_ies
,
2942 data
->assoc_info
.resp_ies_len
,
2943 &data
->assoc_info
.wmm_params
);
2945 if (wpa_s
->reassoc_same_bss
)
2946 wmm_ac_restore_tspecs(wpa_s
);
2950 if (wpa_key_mgmt_fils(wpa_s
->key_mgmt
)) {
2951 struct wpa_bss
*bss
= wpa_bss_get_bssid(wpa_s
, bssid
);
2952 const u8
*fils_cache_id
= wpa_bss_get_fils_cache_id(bss
);
2955 wpa_sm_set_fils_cache_id(wpa_s
->wpa
, fils_cache_id
);
2957 #endif /* CONFIG_FILS */
2961 static int disconnect_reason_recoverable(u16 reason_code
)
2963 return reason_code
== WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY
||
2964 reason_code
== WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA
||
2965 reason_code
== WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA
;
2969 static void wpa_supplicant_event_disassoc(struct wpa_supplicant
*wpa_s
,
2971 int locally_generated
)
2975 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2977 * At least Host AP driver and a Prism3 card seemed to be
2978 * generating streams of disconnected events when configuring
2979 * IBSS for WPA-None. Ignore them for now.
2984 bssid
= wpa_s
->bssid
;
2985 if (is_zero_ether_addr(bssid
))
2986 bssid
= wpa_s
->pending_bssid
;
2988 if (!is_zero_ether_addr(bssid
) ||
2989 wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2990 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_DISCONNECTED
"bssid=" MACSTR
2992 MAC2STR(bssid
), reason_code
,
2993 locally_generated
? " locally_generated=1" : "");
2998 static int could_be_psk_mismatch(struct wpa_supplicant
*wpa_s
, u16 reason_code
,
2999 int locally_generated
)
3001 if (wpa_s
->wpa_state
!= WPA_4WAY_HANDSHAKE
||
3002 !wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
))
3003 return 0; /* Not in 4-way handshake with PSK */
3006 * It looks like connection was lost while trying to go through PSK
3007 * 4-way handshake. Filter out known disconnection cases that are caused
3008 * by something else than PSK mismatch to avoid confusing reports.
3011 if (locally_generated
) {
3012 if (reason_code
== WLAN_REASON_IE_IN_4WAY_DIFFERS
)
3020 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant
*wpa_s
,
3022 int locally_generated
)
3026 u8 prev_pending_bssid
[ETH_ALEN
];
3027 struct wpa_bss
*fast_reconnect
= NULL
;
3028 struct wpa_ssid
*fast_reconnect_ssid
= NULL
;
3029 struct wpa_ssid
*last_ssid
;
3030 struct wpa_bss
*curr
= NULL
;
3032 authenticating
= wpa_s
->wpa_state
== WPA_AUTHENTICATING
;
3033 os_memcpy(prev_pending_bssid
, wpa_s
->pending_bssid
, ETH_ALEN
);
3035 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
3037 * At least Host AP driver and a Prism3 card seemed to be
3038 * generating streams of disconnected events when configuring
3039 * IBSS for WPA-None. Ignore them for now.
3041 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disconnect event - ignore in "
3042 "IBSS/WPA-None mode");
3046 if (!wpa_s
->disconnected
&& wpa_s
->wpa_state
>= WPA_AUTHENTICATING
&&
3047 reason_code
== WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY
&&
3050 * Remove the inactive AP (which is probably out of range) from
3051 * the BSS list after marking disassociation. In particular
3052 * mac80211-based drivers use the
3053 * WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY reason code in
3054 * locally generated disconnection events for cases where the
3055 * AP does not reply anymore.
3057 curr
= wpa_s
->current_bss
;
3059 if (could_be_psk_mismatch(wpa_s
, reason_code
, locally_generated
)) {
3060 wpa_msg(wpa_s
, MSG_INFO
, "WPA: 4-Way Handshake failed - "
3061 "pre-shared key may be incorrect");
3062 if (wpas_p2p_4way_hs_failed(wpa_s
) > 0)
3063 return; /* P2P group removed */
3064 wpas_auth_failed(wpa_s
, "WRONG_KEY");
3066 if (!wpa_s
->disconnected
&&
3067 (!wpa_s
->auto_reconnect_disabled
||
3068 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
||
3069 wpas_wps_searching(wpa_s
) ||
3070 wpas_wps_reenable_networks_pending(wpa_s
))) {
3071 wpa_dbg(wpa_s
, MSG_DEBUG
, "Auto connect enabled: try to "
3072 "reconnect (wps=%d/%d wpa_state=%d)",
3073 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
,
3074 wpas_wps_searching(wpa_s
),
3076 if (wpa_s
->wpa_state
== WPA_COMPLETED
&&
3077 wpa_s
->current_ssid
&&
3078 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
3079 !locally_generated
&&
3080 disconnect_reason_recoverable(reason_code
)) {
3082 * It looks like the AP has dropped association with
3083 * us, but could allow us to get back in. Try to
3084 * reconnect to the same BSS without full scan to save
3085 * time for some common cases.
3087 fast_reconnect
= wpa_s
->current_bss
;
3088 fast_reconnect_ssid
= wpa_s
->current_ssid
;
3089 } else if (wpa_s
->wpa_state
>= WPA_ASSOCIATING
)
3090 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
3092 wpa_dbg(wpa_s
, MSG_DEBUG
, "Do not request new "
3095 wpa_dbg(wpa_s
, MSG_DEBUG
, "Auto connect disabled: do not "
3096 "try to re-connect");
3097 wpa_s
->reassociate
= 0;
3098 wpa_s
->disconnected
= 1;
3100 wpa_supplicant_cancel_sched_scan(wpa_s
);
3102 bssid
= wpa_s
->bssid
;
3103 if (is_zero_ether_addr(bssid
))
3104 bssid
= wpa_s
->pending_bssid
;
3105 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
3106 wpas_connection_failed(wpa_s
, bssid
);
3107 wpa_sm_notify_disassoc(wpa_s
->wpa
);
3108 if (locally_generated
)
3109 wpa_s
->disconnect_reason
= -reason_code
;
3111 wpa_s
->disconnect_reason
= reason_code
;
3112 wpas_notify_disconnect_reason(wpa_s
);
3113 if (wpa_supplicant_dynamic_keys(wpa_s
)) {
3114 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disconnect event - remove keys");
3115 wpa_clear_keys(wpa_s
, wpa_s
->bssid
);
3117 last_ssid
= wpa_s
->current_ssid
;
3118 wpa_supplicant_mark_disassoc(wpa_s
);
3121 wpa_bss_remove(wpa_s
, curr
, "Connection to AP lost");
3123 if (authenticating
&& (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)) {
3124 sme_disassoc_while_authenticating(wpa_s
, prev_pending_bssid
);
3125 wpa_s
->current_ssid
= last_ssid
;
3128 if (fast_reconnect
&&
3129 !wpas_network_disabled(wpa_s
, fast_reconnect_ssid
) &&
3130 !disallowed_bssid(wpa_s
, fast_reconnect
->bssid
) &&
3131 !disallowed_ssid(wpa_s
, fast_reconnect
->ssid
,
3132 fast_reconnect
->ssid_len
) &&
3133 !wpas_temp_disabled(wpa_s
, fast_reconnect_ssid
) &&
3134 !wpa_is_bss_tmp_disallowed(wpa_s
, fast_reconnect
)) {
3135 #ifndef CONFIG_NO_SCAN_PROCESSING
3136 wpa_dbg(wpa_s
, MSG_DEBUG
, "Try to reconnect to the same BSS");
3137 if (wpa_supplicant_connect(wpa_s
, fast_reconnect
,
3138 fast_reconnect_ssid
) < 0) {
3139 /* Recover through full scan */
3140 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
3142 #endif /* CONFIG_NO_SCAN_PROCESSING */
3143 } else if (fast_reconnect
) {
3145 * Could not reconnect to the same BSS due to network being
3146 * disabled. Use a new scan to match the alternative behavior
3147 * above, i.e., to continue automatic reconnection attempt in a
3148 * way that enforces disabled network rules.
3150 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
3155 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3156 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx
, void *sock_ctx
)
3158 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
3160 if (!wpa_s
->pending_mic_error_report
)
3163 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Sending pending MIC error report");
3164 wpa_sm_key_request(wpa_s
->wpa
, 1, wpa_s
->pending_mic_error_pairwise
);
3165 wpa_s
->pending_mic_error_report
= 0;
3167 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3171 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant
*wpa_s
,
3172 union wpa_event_data
*data
)
3175 struct os_reltime t
;
3177 wpa_msg(wpa_s
, MSG_WARNING
, "Michael MIC failure detected");
3178 pairwise
= (data
&& data
->michael_mic_failure
.unicast
);
3180 if ((wpa_s
->last_michael_mic_error
.sec
&&
3181 !os_reltime_expired(&t
, &wpa_s
->last_michael_mic_error
, 60)) ||
3182 wpa_s
->pending_mic_error_report
) {
3183 if (wpa_s
->pending_mic_error_report
) {
3185 * Send the pending MIC error report immediately since
3186 * we are going to start countermeasures and AP better
3189 wpa_sm_key_request(wpa_s
->wpa
, 1,
3190 wpa_s
->pending_mic_error_pairwise
);
3193 /* Send the new MIC error report immediately since we are going
3194 * to start countermeasures and AP better do the same.
3196 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
3198 /* initialize countermeasures */
3199 wpa_s
->countermeasures
= 1;
3201 wpa_blacklist_add(wpa_s
, wpa_s
->bssid
);
3203 wpa_msg(wpa_s
, MSG_WARNING
, "TKIP countermeasures started");
3206 * Need to wait for completion of request frame. We do not get
3207 * any callback for the message completion, so just wait a
3208 * short while and hope for the best. */
3211 wpa_drv_set_countermeasures(wpa_s
, 1);
3212 wpa_supplicant_deauthenticate(wpa_s
,
3213 WLAN_REASON_MICHAEL_MIC_FAILURE
);
3214 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures
,
3216 eloop_register_timeout(60, 0,
3217 wpa_supplicant_stop_countermeasures
,
3219 /* TODO: mark the AP rejected for 60 second. STA is
3220 * allowed to associate with another AP.. */
3222 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
3223 if (wpa_s
->mic_errors_seen
) {
3225 * Reduce the effectiveness of Michael MIC error
3226 * reports as a means for attacking against TKIP if
3227 * more than one MIC failure is noticed with the same
3228 * PTK. We delay the transmission of the reports by a
3229 * random time between 0 and 60 seconds in order to
3230 * force the attacker wait 60 seconds before getting
3231 * the information on whether a frame resulted in a MIC
3237 if (os_get_random(rval
, sizeof(rval
)) < 0)
3238 sec
= os_random() % 60;
3240 sec
= WPA_GET_BE32(rval
) % 60;
3241 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Delay MIC error "
3242 "report %d seconds", sec
);
3243 wpa_s
->pending_mic_error_report
= 1;
3244 wpa_s
->pending_mic_error_pairwise
= pairwise
;
3245 eloop_cancel_timeout(
3246 wpa_supplicant_delayed_mic_error_report
,
3248 eloop_register_timeout(
3249 sec
, os_random() % 1000000,
3250 wpa_supplicant_delayed_mic_error_report
,
3253 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
3255 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3256 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
3257 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
3259 wpa_s
->last_michael_mic_error
= t
;
3260 wpa_s
->mic_errors_seen
++;
3264 #ifdef CONFIG_TERMINATE_ONLASTIF
3265 static int any_interfaces(struct wpa_supplicant
*head
)
3267 struct wpa_supplicant
*wpa_s
;
3269 for (wpa_s
= head
; wpa_s
!= NULL
; wpa_s
= wpa_s
->next
)
3270 if (!wpa_s
->interface_removed
)
3274 #endif /* CONFIG_TERMINATE_ONLASTIF */
3278 wpa_supplicant_event_interface_status(struct wpa_supplicant
*wpa_s
,
3279 union wpa_event_data
*data
)
3281 if (os_strcmp(wpa_s
->ifname
, data
->interface_status
.ifname
) != 0)
3284 switch (data
->interface_status
.ievent
) {
3285 case EVENT_INTERFACE_ADDED
:
3286 if (!wpa_s
->interface_removed
)
3288 wpa_s
->interface_removed
= 0;
3289 wpa_dbg(wpa_s
, MSG_DEBUG
, "Configured interface was added");
3290 if (wpa_supplicant_driver_init(wpa_s
) < 0) {
3291 wpa_msg(wpa_s
, MSG_INFO
, "Failed to initialize the "
3292 "driver after interface was added");
3296 if (!wpa_s
->global
->p2p
&&
3297 !wpa_s
->global
->p2p_disabled
&&
3298 !wpa_s
->conf
->p2p_disabled
&&
3300 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
) &&
3301 wpas_p2p_add_p2pdev_interface(
3302 wpa_s
, wpa_s
->global
->params
.conf_p2p_dev
) < 0) {
3303 wpa_printf(MSG_INFO
,
3304 "P2P: Failed to enable P2P Device interface");
3305 /* Try to continue without. P2P will be disabled. */
3307 #endif /* CONFIG_P2P */
3310 case EVENT_INTERFACE_REMOVED
:
3311 wpa_dbg(wpa_s
, MSG_DEBUG
, "Configured interface was removed");
3312 wpa_s
->interface_removed
= 1;
3313 wpa_supplicant_mark_disassoc(wpa_s
);
3314 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
3315 l2_packet_deinit(wpa_s
->l2
);
3319 if (wpa_s
->global
->p2p
&&
3320 wpa_s
->global
->p2p_init_wpa_s
->parent
== wpa_s
&&
3322 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE
)) {
3323 wpa_dbg(wpa_s
, MSG_DEBUG
,
3324 "Removing P2P Device interface");
3325 wpa_supplicant_remove_iface(
3326 wpa_s
->global
, wpa_s
->global
->p2p_init_wpa_s
,
3328 wpa_s
->global
->p2p_init_wpa_s
= NULL
;
3330 #endif /* CONFIG_P2P */
3332 #ifdef CONFIG_MATCH_IFACE
3333 if (wpa_s
->matched
) {
3334 wpa_supplicant_remove_iface(wpa_s
->global
, wpa_s
, 0);
3337 #endif /* CONFIG_MATCH_IFACE */
3339 #ifdef CONFIG_TERMINATE_ONLASTIF
3340 /* check if last interface */
3341 if (!any_interfaces(wpa_s
->global
->ifaces
))
3343 #endif /* CONFIG_TERMINATE_ONLASTIF */
3350 static void wpa_supplicant_event_tdls(struct wpa_supplicant
*wpa_s
,
3351 union wpa_event_data
*data
)
3355 switch (data
->tdls
.oper
) {
3356 case TDLS_REQUEST_SETUP
:
3357 wpa_tdls_remove(wpa_s
->wpa
, data
->tdls
.peer
);
3358 if (wpa_tdls_is_external_setup(wpa_s
->wpa
))
3359 wpa_tdls_start(wpa_s
->wpa
, data
->tdls
.peer
);
3361 wpa_drv_tdls_oper(wpa_s
, TDLS_SETUP
, data
->tdls
.peer
);
3363 case TDLS_REQUEST_TEARDOWN
:
3364 if (wpa_tdls_is_external_setup(wpa_s
->wpa
))
3365 wpa_tdls_teardown_link(wpa_s
->wpa
, data
->tdls
.peer
,
3366 data
->tdls
.reason_code
);
3368 wpa_drv_tdls_oper(wpa_s
, TDLS_TEARDOWN
,
3371 case TDLS_REQUEST_DISCOVER
:
3372 wpa_tdls_send_discovery_request(wpa_s
->wpa
,
3377 #endif /* CONFIG_TDLS */
3381 static void wpa_supplicant_event_wnm(struct wpa_supplicant
*wpa_s
,
3382 union wpa_event_data
*data
)
3386 switch (data
->wnm
.oper
) {
3387 case WNM_OPER_SLEEP
:
3388 wpa_printf(MSG_DEBUG
, "Start sending WNM-Sleep Request "
3389 "(action=%d, intval=%d)",
3390 data
->wnm
.sleep_action
, data
->wnm
.sleep_intval
);
3391 ieee802_11_send_wnmsleep_req(wpa_s
, data
->wnm
.sleep_action
,
3392 data
->wnm
.sleep_intval
, NULL
);
3396 #endif /* CONFIG_WNM */
3399 #ifdef CONFIG_IEEE80211R
3401 wpa_supplicant_event_ft_response(struct wpa_supplicant
*wpa_s
,
3402 union wpa_event_data
*data
)
3407 if (wpa_ft_process_response(wpa_s
->wpa
, data
->ft_ies
.ies
,
3408 data
->ft_ies
.ies_len
,
3409 data
->ft_ies
.ft_action
,
3410 data
->ft_ies
.target_ap
,
3411 data
->ft_ies
.ric_ies
,
3412 data
->ft_ies
.ric_ies_len
) < 0) {
3413 /* TODO: prevent MLME/driver from trying to associate? */
3416 #endif /* CONFIG_IEEE80211R */
3419 #ifdef CONFIG_IBSS_RSN
3420 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant
*wpa_s
,
3421 union wpa_event_data
*data
)
3423 struct wpa_ssid
*ssid
;
3424 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
3428 ssid
= wpa_s
->current_ssid
;
3431 if (ssid
->mode
!= WPAS_MODE_IBSS
|| !wpa_key_mgmt_wpa(ssid
->key_mgmt
))
3434 ibss_rsn_start(wpa_s
->ibss_rsn
, data
->ibss_rsn_start
.peer
);
3438 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant
*wpa_s
,
3439 union wpa_event_data
*data
)
3441 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
3446 /* check if the ssid is correctly configured as IBSS/RSN */
3447 if (ssid
->mode
!= WPAS_MODE_IBSS
|| !wpa_key_mgmt_wpa(ssid
->key_mgmt
))
3450 ibss_rsn_handle_auth(wpa_s
->ibss_rsn
, data
->rx_mgmt
.frame
,
3451 data
->rx_mgmt
.frame_len
);
3453 #endif /* CONFIG_IBSS_RSN */
3456 #ifdef CONFIG_IEEE80211R
3457 static void ft_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*data
,
3460 const u8
*sta_addr
, *target_ap_addr
;
3463 wpa_hexdump(MSG_MSGDUMP
, "FT: RX Action", data
, len
);
3464 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
))
3465 return; /* only SME case supported for now */
3466 if (len
< 1 + 2 * ETH_ALEN
+ 2)
3469 return; /* Only FT Action Response is supported for now */
3470 sta_addr
= data
+ 1;
3471 target_ap_addr
= data
+ 1 + ETH_ALEN
;
3472 status
= WPA_GET_LE16(data
+ 1 + 2 * ETH_ALEN
);
3473 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Received FT Action Response: STA "
3474 MACSTR
" TargetAP " MACSTR
" status %u",
3475 MAC2STR(sta_addr
), MAC2STR(target_ap_addr
), status
);
3477 if (os_memcmp(sta_addr
, wpa_s
->own_addr
, ETH_ALEN
) != 0) {
3478 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Foreign STA Address " MACSTR
3479 " in FT Action Response", MAC2STR(sta_addr
));
3484 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: FT Action Response indicates "
3485 "failure (status code %d)", status
);
3486 /* TODO: report error to FT code(?) */
3490 if (wpa_ft_process_response(wpa_s
->wpa
, data
+ 1 + 2 * ETH_ALEN
+ 2,
3491 len
- (1 + 2 * ETH_ALEN
+ 2), 1,
3492 target_ap_addr
, NULL
, 0) < 0)
3497 struct wpa_bss
*bss
;
3498 bss
= wpa_bss_get_bssid(wpa_s
, target_ap_addr
);
3500 wpa_s
->sme
.freq
= bss
->freq
;
3501 wpa_s
->sme
.auth_alg
= WPA_AUTH_ALG_FT
;
3502 sme_associate(wpa_s
, WPAS_MODE_INFRA
, target_ap_addr
,
3505 #endif /* CONFIG_SME */
3507 #endif /* CONFIG_IEEE80211R */
3510 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant
*wpa_s
,
3511 struct unprot_deauth
*e
)
3513 #ifdef CONFIG_IEEE80211W
3514 wpa_printf(MSG_DEBUG
, "Unprotected Deauthentication frame "
3515 "dropped: " MACSTR
" -> " MACSTR
3516 " (reason code %u)",
3517 MAC2STR(e
->sa
), MAC2STR(e
->da
), e
->reason_code
);
3518 sme_event_unprot_disconnect(wpa_s
, e
->sa
, e
->da
, e
->reason_code
);
3519 #endif /* CONFIG_IEEE80211W */
3523 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant
*wpa_s
,
3524 struct unprot_disassoc
*e
)
3526 #ifdef CONFIG_IEEE80211W
3527 wpa_printf(MSG_DEBUG
, "Unprotected Disassociation frame "
3528 "dropped: " MACSTR
" -> " MACSTR
3529 " (reason code %u)",
3530 MAC2STR(e
->sa
), MAC2STR(e
->da
), e
->reason_code
);
3531 sme_event_unprot_disconnect(wpa_s
, e
->sa
, e
->da
, e
->reason_code
);
3532 #endif /* CONFIG_IEEE80211W */
3536 static void wpas_event_disconnect(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
3537 u16 reason_code
, int locally_generated
,
3538 const u8
*ie
, size_t ie_len
, int deauth
)
3541 if (wpa_s
->ap_iface
&& addr
) {
3542 hostapd_notif_disassoc(wpa_s
->ap_iface
->bss
[0], addr
);
3546 if (wpa_s
->ap_iface
) {
3547 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore deauth event in AP mode");
3550 #endif /* CONFIG_AP */
3552 if (!locally_generated
)
3553 wpa_s
->own_disconnect_req
= 0;
3555 wpa_supplicant_event_disassoc(wpa_s
, reason_code
, locally_generated
);
3557 if (((reason_code
== WLAN_REASON_IEEE_802_1X_AUTH_FAILED
||
3558 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) ||
3559 (wpa_s
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) &&
3560 eapol_sm_failed(wpa_s
->eapol
))) &&
3561 !wpa_s
->eap_expected_failure
))
3562 wpas_auth_failed(wpa_s
, "AUTH_FAILED");
3565 if (deauth
&& reason_code
> 0) {
3566 if (wpas_p2p_deauth_notif(wpa_s
, addr
, reason_code
, ie
, ie_len
,
3567 locally_generated
) > 0) {
3569 * The interface was removed, so cannot continue
3570 * processing any additional operations after this.
3575 #endif /* CONFIG_P2P */
3577 wpa_supplicant_event_disassoc_finish(wpa_s
, reason_code
,
3582 static void wpas_event_disassoc(struct wpa_supplicant
*wpa_s
,
3583 struct disassoc_info
*info
)
3585 u16 reason_code
= 0;
3586 int locally_generated
= 0;
3587 const u8
*addr
= NULL
;
3588 const u8
*ie
= NULL
;
3591 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disassociation notification");
3596 ie_len
= info
->ie_len
;
3597 reason_code
= info
->reason_code
;
3598 locally_generated
= info
->locally_generated
;
3599 wpa_dbg(wpa_s
, MSG_DEBUG
, " * reason %u%s", reason_code
,
3600 locally_generated
? " (locally generated)" : "");
3602 wpa_dbg(wpa_s
, MSG_DEBUG
, " * address " MACSTR
,
3604 wpa_hexdump(MSG_DEBUG
, "Disassociation frame IE(s)",
3609 if (wpa_s
->ap_iface
&& info
&& info
->addr
) {
3610 hostapd_notif_disassoc(wpa_s
->ap_iface
->bss
[0], info
->addr
);
3614 if (wpa_s
->ap_iface
) {
3615 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore disassoc event in AP mode");
3618 #endif /* CONFIG_AP */
3622 wpas_p2p_disassoc_notif(
3623 wpa_s
, info
->addr
, reason_code
, info
->ie
, info
->ie_len
,
3626 #endif /* CONFIG_P2P */
3628 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
3629 sme_event_disassoc(wpa_s
, info
);
3631 wpas_event_disconnect(wpa_s
, addr
, reason_code
, locally_generated
,
3636 static void wpas_event_deauth(struct wpa_supplicant
*wpa_s
,
3637 struct deauth_info
*info
)
3639 u16 reason_code
= 0;
3640 int locally_generated
= 0;
3641 const u8
*addr
= NULL
;
3642 const u8
*ie
= NULL
;
3645 wpa_dbg(wpa_s
, MSG_DEBUG
, "Deauthentication notification");
3650 ie_len
= info
->ie_len
;
3651 reason_code
= info
->reason_code
;
3652 locally_generated
= info
->locally_generated
;
3653 wpa_dbg(wpa_s
, MSG_DEBUG
, " * reason %u%s",
3655 locally_generated
? " (locally generated)" : "");
3657 wpa_dbg(wpa_s
, MSG_DEBUG
, " * address " MACSTR
,
3660 wpa_hexdump(MSG_DEBUG
, "Deauthentication frame IE(s)",
3664 wpa_reset_ft_completed(wpa_s
->wpa
);
3666 wpas_event_disconnect(wpa_s
, addr
, reason_code
,
3667 locally_generated
, ie
, ie_len
, 1);
3671 static const char * reg_init_str(enum reg_change_initiator init
)
3674 case REGDOM_SET_BY_CORE
:
3676 case REGDOM_SET_BY_USER
:
3678 case REGDOM_SET_BY_DRIVER
:
3680 case REGDOM_SET_BY_COUNTRY_IE
:
3681 return "COUNTRY_IE";
3682 case REGDOM_BEACON_HINT
:
3683 return "BEACON_HINT";
3689 static const char * reg_type_str(enum reg_type type
)
3692 case REGDOM_TYPE_UNKNOWN
:
3694 case REGDOM_TYPE_COUNTRY
:
3696 case REGDOM_TYPE_WORLD
:
3698 case REGDOM_TYPE_CUSTOM_WORLD
:
3699 return "CUSTOM_WORLD";
3700 case REGDOM_TYPE_INTERSECTION
:
3701 return "INTERSECTION";
3707 void wpa_supplicant_update_channel_list(struct wpa_supplicant
*wpa_s
,
3708 struct channel_list_changed
*info
)
3710 struct wpa_supplicant
*ifs
;
3714 * To allow backwards compatibility with higher level layers that
3715 * assumed the REGDOM_CHANGE event is sent over the initially added
3716 * interface. Find the highest parent of this interface and use it to
3719 for (ifs
= wpa_s
; ifs
->parent
&& ifs
!= ifs
->parent
; ifs
= ifs
->parent
)
3723 wpa_msg(ifs
, MSG_INFO
,
3724 WPA_EVENT_REGDOM_CHANGE
"init=%s type=%s%s%s",
3725 reg_init_str(info
->initiator
), reg_type_str(info
->type
),
3726 info
->alpha2
[0] ? " alpha2=" : "",
3727 info
->alpha2
[0] ? info
->alpha2
: "");
3730 if (wpa_s
->drv_priv
== NULL
)
3731 return; /* Ignore event during drv initialization */
3733 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
3735 wpa_printf(MSG_DEBUG
, "%s: Updating hw mode",
3737 free_hw_features(ifs
);
3738 ifs
->hw
.modes
= wpa_drv_get_hw_feature_data(
3739 ifs
, &ifs
->hw
.num_modes
, &ifs
->hw
.flags
, &dfs_domain
);
3741 /* Restart PNO/sched_scan with updated channel list */
3744 wpas_start_pno(ifs
);
3745 } else if (ifs
->sched_scanning
&& !ifs
->pno_sched_pending
) {
3746 wpa_dbg(ifs
, MSG_DEBUG
,
3747 "Channel list changed - restart sched_scan");
3748 wpas_scan_restart_sched_scan(ifs
);
3752 wpas_p2p_update_channel_list(wpa_s
, WPAS_P2P_CHANNEL_UPDATE_DRIVER
);
3756 static void wpas_event_rx_mgmt_action(struct wpa_supplicant
*wpa_s
,
3757 const u8
*frame
, size_t len
, int freq
,
3760 const struct ieee80211_mgmt
*mgmt
;
3765 if (len
< IEEE80211_HDRLEN
+ 2)
3768 mgmt
= (const struct ieee80211_mgmt
*) frame
;
3769 payload
= frame
+ IEEE80211_HDRLEN
;
3770 category
= *payload
++;
3771 plen
= len
- IEEE80211_HDRLEN
- 1;
3773 wpa_dbg(wpa_s
, MSG_DEBUG
, "Received Action frame: SA=" MACSTR
3774 " Category=%u DataLen=%d freq=%d MHz",
3775 MAC2STR(mgmt
->sa
), category
, (int) plen
, freq
);
3777 if (category
== WLAN_ACTION_WMM
) {
3778 wmm_ac_rx_action(wpa_s
, mgmt
->da
, mgmt
->sa
, payload
, plen
);
3782 #ifdef CONFIG_IEEE80211R
3783 if (category
== WLAN_ACTION_FT
) {
3784 ft_rx_action(wpa_s
, payload
, plen
);
3787 #endif /* CONFIG_IEEE80211R */
3789 #ifdef CONFIG_IEEE80211W
3791 if (category
== WLAN_ACTION_SA_QUERY
) {
3792 sme_sa_query_rx(wpa_s
, mgmt
->sa
, payload
, plen
);
3795 #endif /* CONFIG_SME */
3796 #endif /* CONFIG_IEEE80211W */
3799 if (mgmt
->u
.action
.category
== WLAN_ACTION_WNM
) {
3800 ieee802_11_rx_wnm_action(wpa_s
, mgmt
, len
);
3803 #endif /* CONFIG_WNM */
3806 if ((mgmt
->u
.action
.category
== WLAN_ACTION_PUBLIC
||
3807 mgmt
->u
.action
.category
== WLAN_ACTION_PROTECTED_DUAL
) &&
3808 gas_query_rx(wpa_s
->gas
, mgmt
->da
, mgmt
->sa
, mgmt
->bssid
,
3809 mgmt
->u
.action
.category
,
3810 payload
, plen
, freq
) == 0)
3812 #endif /* CONFIG_GAS */
3814 #ifdef CONFIG_GAS_SERVER
3815 if ((mgmt
->u
.action
.category
== WLAN_ACTION_PUBLIC
||
3816 mgmt
->u
.action
.category
== WLAN_ACTION_PROTECTED_DUAL
) &&
3817 gas_server_rx(wpa_s
->gas_server
, mgmt
->da
, mgmt
->sa
, mgmt
->bssid
,
3818 mgmt
->u
.action
.category
,
3819 payload
, plen
, freq
) == 0)
3821 #endif /* CONFIG_GAS_SERVER */
3824 if (category
== WLAN_ACTION_PUBLIC
&& plen
>= 4 &&
3825 payload
[0] == WLAN_TDLS_DISCOVERY_RESPONSE
) {
3826 wpa_dbg(wpa_s
, MSG_DEBUG
,
3827 "TDLS: Received Discovery Response from " MACSTR
,
3831 #endif /* CONFIG_TDLS */
3833 #ifdef CONFIG_INTERWORKING
3834 if (category
== WLAN_ACTION_QOS
&& plen
>= 1 &&
3835 payload
[0] == QOS_QOS_MAP_CONFIG
) {
3836 const u8
*pos
= payload
+ 1;
3837 size_t qlen
= plen
- 1;
3838 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interworking: Received QoS Map Configure frame from "
3839 MACSTR
, MAC2STR(mgmt
->sa
));
3840 if (os_memcmp(mgmt
->sa
, wpa_s
->bssid
, ETH_ALEN
) == 0 &&
3841 qlen
> 2 && pos
[0] == WLAN_EID_QOS_MAP_SET
&&
3842 pos
[1] <= qlen
- 2 && pos
[1] >= 16)
3843 wpas_qos_map_set(wpa_s
, pos
+ 2, pos
[1]);
3846 #endif /* CONFIG_INTERWORKING */
3848 if (category
== WLAN_ACTION_RADIO_MEASUREMENT
&&
3849 payload
[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST
) {
3850 wpas_rrm_handle_radio_measurement_request(wpa_s
, mgmt
->sa
,
3857 if (category
== WLAN_ACTION_RADIO_MEASUREMENT
&&
3858 payload
[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE
) {
3859 wpas_rrm_process_neighbor_rep(wpa_s
, payload
+ 1, plen
- 1);
3863 if (category
== WLAN_ACTION_RADIO_MEASUREMENT
&&
3864 payload
[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST
) {
3865 wpas_rrm_handle_link_measurement_request(wpa_s
, mgmt
->sa
,
3866 payload
+ 1, plen
- 1,
3872 if (mgmt
->u
.action
.category
== WLAN_ACTION_FST
&& wpa_s
->fst
) {
3873 fst_rx_action(wpa_s
->fst
, mgmt
, len
);
3876 #endif /* CONFIG_FST */
3879 if (category
== WLAN_ACTION_PUBLIC
&& plen
>= 5 &&
3880 payload
[0] == WLAN_PA_VENDOR_SPECIFIC
&&
3881 WPA_GET_BE24(&payload
[1]) == OUI_WFA
&&
3882 payload
[4] == DPP_OUI_TYPE
) {
3885 wpas_dpp_rx_action(wpa_s
, mgmt
->sa
, payload
, plen
, freq
);
3888 #endif /* CONFIG_DPP */
3890 wpas_p2p_rx_action(wpa_s
, mgmt
->da
, mgmt
->sa
, mgmt
->bssid
,
3891 category
, payload
, plen
, freq
);
3893 mesh_mpm_action_rx(wpa_s
, mgmt
, len
);
3897 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant
*wpa_s
,
3898 union wpa_event_data
*event
)
3900 struct wpa_freq_range_list
*list
;
3903 list
= &event
->freq_range
;
3906 str
= freq_range_list_str(list
);
3907 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_AVOID_FREQ
"ranges=%s",
3911 if (freq_range_list_parse(&wpa_s
->global
->p2p_go_avoid_freq
, str
)) {
3912 wpa_dbg(wpa_s
, MSG_ERROR
, "%s: Failed to parse freq range",
3915 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Update channel list based on frequency avoid event");
3918 * The update channel flow will also take care of moving a GO
3919 * from the unsafe frequency if needed.
3921 wpas_p2p_update_channel_list(wpa_s
,
3922 WPAS_P2P_CHANNEL_UPDATE_AVOID
);
3924 #endif /* CONFIG_P2P */
3930 static void wpa_supplicant_event_port_authorized(struct wpa_supplicant
*wpa_s
)
3932 if (wpa_s
->wpa_state
== WPA_ASSOCIATED
) {
3933 wpa_supplicant_cancel_auth_timeout(wpa_s
);
3934 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
3935 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
3936 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
3941 static unsigned int wpas_event_cac_ms(const struct wpa_supplicant
*wpa_s
,
3947 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
3948 const struct hostapd_hw_modes
*mode
= &wpa_s
->hw
.modes
[i
];
3950 for (j
= 0; j
< mode
->num_channels
; j
++) {
3951 const struct hostapd_channel_data
*chan
;
3953 chan
= &mode
->channels
[j
];
3954 if (chan
->freq
== freq
)
3955 return chan
->dfs_cac_ms
;
3963 static void wpas_event_dfs_cac_started(struct wpa_supplicant
*wpa_s
,
3964 struct dfs_event
*radar
)
3966 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3967 if (wpa_s
->ap_iface
|| wpa_s
->ifmsh
) {
3968 wpas_ap_event_dfs_cac_started(wpa_s
, radar
);
3970 #endif /* NEED_AP_MLME && CONFIG_AP */
3972 unsigned int cac_time
= wpas_event_cac_ms(wpa_s
, radar
->freq
);
3974 cac_time
/= 1000; /* convert from ms to sec */
3976 cac_time
= 10 * 60; /* max timeout: 10 minutes */
3978 /* Restart auth timeout: CAC time added to initial timeout */
3979 wpas_auth_timeout_restart(wpa_s
, cac_time
);
3984 static void wpas_event_dfs_cac_finished(struct wpa_supplicant
*wpa_s
,
3985 struct dfs_event
*radar
)
3987 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
3988 if (wpa_s
->ap_iface
|| wpa_s
->ifmsh
) {
3989 wpas_ap_event_dfs_cac_finished(wpa_s
, radar
);
3991 #endif /* NEED_AP_MLME && CONFIG_AP */
3993 /* Restart auth timeout with original value after CAC is
3995 wpas_auth_timeout_restart(wpa_s
, 0);
4000 static void wpas_event_dfs_cac_aborted(struct wpa_supplicant
*wpa_s
,
4001 struct dfs_event
*radar
)
4003 #if defined(NEED_AP_MLME) && defined(CONFIG_AP)
4004 if (wpa_s
->ap_iface
|| wpa_s
->ifmsh
) {
4005 wpas_ap_event_dfs_cac_aborted(wpa_s
, radar
);
4007 #endif /* NEED_AP_MLME && CONFIG_AP */
4009 /* Restart auth timeout with original value after CAC is
4011 wpas_auth_timeout_restart(wpa_s
, 0);
4016 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant
*wpa_s
,
4017 union wpa_event_data
*data
)
4019 wpa_dbg(wpa_s
, MSG_DEBUG
,
4020 "Connection authorized by device, previous state %d",
4023 wpa_supplicant_event_port_authorized(wpa_s
);
4025 wpa_sm_set_rx_replay_ctr(wpa_s
->wpa
, data
->assoc_info
.key_replay_ctr
);
4026 wpa_sm_set_ptk_kck_kek(wpa_s
->wpa
, data
->assoc_info
.ptk_kck
,
4027 data
->assoc_info
.ptk_kck_len
,
4028 data
->assoc_info
.ptk_kek
,
4029 data
->assoc_info
.ptk_kek_len
);
4031 if (wpa_s
->auth_alg
== WPA_AUTH_ALG_FILS
) {
4032 struct wpa_bss
*bss
= wpa_bss_get_bssid(wpa_s
, wpa_s
->bssid
);
4033 const u8
*fils_cache_id
= wpa_bss_get_fils_cache_id(bss
);
4035 /* Update ERP next sequence number */
4036 eapol_sm_update_erp_next_seq_num(
4037 wpa_s
->eapol
, data
->assoc_info
.fils_erp_next_seq_num
);
4039 if (data
->assoc_info
.fils_pmk
&& data
->assoc_info
.fils_pmkid
) {
4040 /* Add the new PMK and PMKID to the PMKSA cache */
4041 wpa_sm_pmksa_cache_add(wpa_s
->wpa
,
4042 data
->assoc_info
.fils_pmk
,
4043 data
->assoc_info
.fils_pmk_len
,
4044 data
->assoc_info
.fils_pmkid
,
4045 wpa_s
->bssid
, fils_cache_id
);
4046 } else if (data
->assoc_info
.fils_pmkid
) {
4047 /* Update the current PMKSA used for this connection */
4048 pmksa_cache_set_current(wpa_s
->wpa
,
4049 data
->assoc_info
.fils_pmkid
,
4050 NULL
, NULL
, 0, NULL
, 0);
4053 #endif /* CONFIG_FILS */
4057 static void wpas_event_assoc_reject(struct wpa_supplicant
*wpa_s
,
4058 union wpa_event_data
*data
)
4060 const u8
*bssid
= data
->assoc_reject
.bssid
;
4062 if (!bssid
|| is_zero_ether_addr(bssid
))
4063 bssid
= wpa_s
->pending_bssid
;
4065 if (data
->assoc_reject
.bssid
)
4066 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_ASSOC_REJECT
4067 "bssid=" MACSTR
" status_code=%u%s%s%s",
4068 MAC2STR(data
->assoc_reject
.bssid
),
4069 data
->assoc_reject
.status_code
,
4070 data
->assoc_reject
.timed_out
? " timeout" : "",
4071 data
->assoc_reject
.timeout_reason
? "=" : "",
4072 data
->assoc_reject
.timeout_reason
?
4073 data
->assoc_reject
.timeout_reason
: "");
4075 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_ASSOC_REJECT
4076 "status_code=%u%s%s%s",
4077 data
->assoc_reject
.status_code
,
4078 data
->assoc_reject
.timed_out
? " timeout" : "",
4079 data
->assoc_reject
.timeout_reason
? "=" : "",
4080 data
->assoc_reject
.timeout_reason
?
4081 data
->assoc_reject
.timeout_reason
: "");
4082 wpa_s
->assoc_status_code
= data
->assoc_reject
.status_code
;
4083 wpas_notify_assoc_status_code(wpa_s
);
4086 if (data
->assoc_reject
.status_code
==
4087 WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED
&&
4088 wpa_s
->key_mgmt
== WPA_KEY_MGMT_OWE
&&
4089 wpa_s
->current_ssid
&&
4090 wpa_s
->current_ssid
->owe_group
== 0 &&
4091 wpa_s
->last_owe_group
!= 21) {
4092 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
4093 struct wpa_bss
*bss
= wpa_s
->current_bss
;
4096 bss
= wpa_supplicant_get_new_bss(wpa_s
, bssid
);
4098 wpas_connection_failed(wpa_s
, bssid
);
4099 wpa_supplicant_mark_disassoc(wpa_s
);
4103 wpa_printf(MSG_DEBUG
, "OWE: Try next supported DH group");
4104 wpas_connect_work_done(wpa_s
);
4105 wpa_supplicant_mark_disassoc(wpa_s
);
4106 wpa_supplicant_connect(wpa_s
, bss
, ssid
);
4109 #endif /* CONFIG_OWE */
4112 if (data
->assoc_reject
.status_code
==
4113 WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS
&&
4114 wpa_s
->current_bss
&& data
->assoc_reject
.bssid
&&
4115 data
->assoc_reject
.resp_ies
) {
4118 rssi_rej
= mbo_get_attr_from_ies(
4119 data
->assoc_reject
.resp_ies
,
4120 data
->assoc_reject
.resp_ies_len
,
4121 OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT
);
4122 if (rssi_rej
&& rssi_rej
[1] == 2) {
4123 wpa_printf(MSG_DEBUG
,
4124 "OCE: RSSI-based association rejection from "
4125 MACSTR
" (Delta RSSI: %u, Retry Delay: %u)",
4126 MAC2STR(data
->assoc_reject
.bssid
),
4127 rssi_rej
[2], rssi_rej
[3]);
4128 wpa_bss_tmp_disallow(wpa_s
,
4129 data
->assoc_reject
.bssid
,
4132 wpa_s
->current_bss
->level
);
4135 #endif /* CONFIG_MBO */
4137 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) {
4138 sme_event_assoc_reject(wpa_s
, data
);
4142 /* Driver-based SME cases */
4145 if (wpa_s
->current_ssid
&&
4146 wpa_key_mgmt_sae(wpa_s
->current_ssid
->key_mgmt
) &&
4147 !data
->assoc_reject
.timed_out
) {
4148 wpa_dbg(wpa_s
, MSG_DEBUG
, "SAE: Drop PMKSA cache entry");
4149 wpa_sm_aborted_cached(wpa_s
->wpa
);
4150 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, wpa_s
->current_ssid
);
4152 #endif /* CONFIG_SAE */
4155 if (wpa_s
->current_ssid
&&
4156 wpa_s
->current_ssid
->key_mgmt
== WPA_KEY_MGMT_DPP
&&
4157 !data
->assoc_reject
.timed_out
) {
4158 wpa_dbg(wpa_s
, MSG_DEBUG
, "DPP: Drop PMKSA cache entry");
4159 wpa_sm_aborted_cached(wpa_s
->wpa
);
4160 wpa_sm_pmksa_cache_flush(wpa_s
->wpa
, wpa_s
->current_ssid
);
4162 #endif /* CONFIG_DPP */
4165 /* Update ERP next sequence number */
4166 if (wpa_s
->auth_alg
== WPA_AUTH_ALG_FILS
) {
4167 eapol_sm_update_erp_next_seq_num(
4169 data
->assoc_reject
.fils_erp_next_seq_num
);
4170 fils_connection_failure(wpa_s
);
4172 #endif /* CONFIG_FILS */
4174 wpas_connection_failed(wpa_s
, bssid
);
4175 wpa_supplicant_mark_disassoc(wpa_s
);
4179 void wpa_supplicant_event(void *ctx
, enum wpa_event_type event
,
4180 union wpa_event_data
*data
)
4182 struct wpa_supplicant
*wpa_s
= ctx
;
4184 #ifndef CONFIG_NO_STDOUT_DEBUG
4185 int level
= MSG_DEBUG
;
4186 #endif /* CONFIG_NO_STDOUT_DEBUG */
4188 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
&&
4189 event
!= EVENT_INTERFACE_ENABLED
&&
4190 event
!= EVENT_INTERFACE_STATUS
&&
4191 event
!= EVENT_SCAN_RESULTS
&&
4192 event
!= EVENT_SCHED_SCAN_STOPPED
) {
4193 wpa_dbg(wpa_s
, MSG_DEBUG
,
4194 "Ignore event %s (%d) while interface is disabled",
4195 event_to_string(event
), event
);
4199 #ifndef CONFIG_NO_STDOUT_DEBUG
4200 if (event
== EVENT_RX_MGMT
&& data
->rx_mgmt
.frame_len
>= 24) {
4201 const struct ieee80211_hdr
*hdr
;
4203 hdr
= (const struct ieee80211_hdr
*) data
->rx_mgmt
.frame
;
4204 fc
= le_to_host16(hdr
->frame_control
);
4205 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
4206 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_BEACON
)
4207 level
= MSG_EXCESSIVE
;
4210 wpa_dbg(wpa_s
, level
, "Event %s (%d) received",
4211 event_to_string(event
), event
);
4212 #endif /* CONFIG_NO_STDOUT_DEBUG */
4217 if (!wpas_fst_update_mbie(wpa_s
, data
->auth
.ies
,
4218 data
->auth
.ies_len
))
4219 wpa_printf(MSG_DEBUG
,
4220 "FST: MB IEs updated from auth IE");
4221 #endif /* CONFIG_FST */
4222 sme_event_auth(wpa_s
, data
);
4223 wpa_s
->auth_status_code
= data
->auth
.status_code
;
4224 wpas_notify_auth_status_code(wpa_s
);
4227 #ifdef CONFIG_TESTING_OPTIONS
4228 if (wpa_s
->ignore_auth_resp
) {
4229 wpa_printf(MSG_INFO
,
4230 "EVENT_ASSOC - ignore_auth_resp active!");
4233 if (wpa_s
->testing_resend_assoc
) {
4234 wpa_printf(MSG_INFO
,
4235 "EVENT_DEAUTH - testing_resend_assoc");
4238 #endif /* CONFIG_TESTING_OPTIONS */
4239 wpa_supplicant_event_assoc(wpa_s
, data
);
4240 wpa_s
->assoc_status_code
= WLAN_STATUS_SUCCESS
;
4242 (data
->assoc_info
.authorized
||
4243 (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
4244 wpa_fils_is_completed(wpa_s
->wpa
))))
4245 wpa_supplicant_event_assoc_auth(wpa_s
, data
);
4247 wpa_msg(wpa_s
, MSG_INFO
,
4248 WPA_EVENT_SUBNET_STATUS_UPDATE
"status=%u",
4249 data
->assoc_info
.subnet_status
);
4252 case EVENT_DISASSOC
:
4253 wpas_event_disassoc(wpa_s
,
4254 data
? &data
->disassoc_info
: NULL
);
4257 #ifdef CONFIG_TESTING_OPTIONS
4258 if (wpa_s
->ignore_auth_resp
) {
4259 wpa_printf(MSG_INFO
,
4260 "EVENT_DEAUTH - ignore_auth_resp active!");
4263 if (wpa_s
->testing_resend_assoc
) {
4264 wpa_printf(MSG_INFO
,
4265 "EVENT_DEAUTH - testing_resend_assoc");
4268 #endif /* CONFIG_TESTING_OPTIONS */
4269 wpas_event_deauth(wpa_s
,
4270 data
? &data
->deauth_info
: NULL
);
4272 case EVENT_MICHAEL_MIC_FAILURE
:
4273 wpa_supplicant_event_michael_mic_failure(wpa_s
, data
);
4275 #ifndef CONFIG_NO_SCAN_PROCESSING
4276 case EVENT_SCAN_STARTED
:
4277 if (wpa_s
->own_scan_requested
||
4278 (data
&& !data
->scan_info
.external_scan
)) {
4279 struct os_reltime diff
;
4281 os_get_reltime(&wpa_s
->scan_start_time
);
4282 os_reltime_sub(&wpa_s
->scan_start_time
,
4283 &wpa_s
->scan_trigger_time
, &diff
);
4284 wpa_dbg(wpa_s
, MSG_DEBUG
, "Own scan request started a scan in %ld.%06ld seconds",
4285 diff
.sec
, diff
.usec
);
4286 wpa_s
->own_scan_requested
= 0;
4287 wpa_s
->own_scan_running
= 1;
4288 if (wpa_s
->last_scan_req
== MANUAL_SCAN_REQ
&&
4289 wpa_s
->manual_scan_use_id
) {
4290 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
4291 WPA_EVENT_SCAN_STARTED
"id=%u",
4292 wpa_s
->manual_scan_id
);
4294 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
4295 WPA_EVENT_SCAN_STARTED
);
4298 wpa_dbg(wpa_s
, MSG_DEBUG
, "External program started a scan");
4299 wpa_s
->radio
->external_scan_running
= 1;
4300 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_STARTED
);
4303 case EVENT_SCAN_RESULTS
:
4304 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
4305 wpa_s
->scan_res_handler
= NULL
;
4306 wpa_s
->own_scan_running
= 0;
4307 wpa_s
->radio
->external_scan_running
= 0;
4308 wpa_s
->last_scan_req
= NORMAL_SCAN_REQ
;
4312 if (!(data
&& data
->scan_info
.external_scan
) &&
4313 os_reltime_initialized(&wpa_s
->scan_start_time
)) {
4314 struct os_reltime now
, diff
;
4315 os_get_reltime(&now
);
4316 os_reltime_sub(&now
, &wpa_s
->scan_start_time
, &diff
);
4317 wpa_s
->scan_start_time
.sec
= 0;
4318 wpa_s
->scan_start_time
.usec
= 0;
4319 wpa_dbg(wpa_s
, MSG_DEBUG
, "Scan completed in %ld.%06ld seconds",
4320 diff
.sec
, diff
.usec
);
4322 if (wpa_supplicant_event_scan_results(wpa_s
, data
))
4323 break; /* interface may have been removed */
4324 if (!(data
&& data
->scan_info
.external_scan
))
4325 wpa_s
->own_scan_running
= 0;
4326 if (data
&& data
->scan_info
.nl_scan_event
)
4327 wpa_s
->radio
->external_scan_running
= 0;
4328 radio_work_check_next(wpa_s
);
4330 #endif /* CONFIG_NO_SCAN_PROCESSING */
4331 case EVENT_ASSOCINFO
:
4332 wpa_supplicant_event_associnfo(wpa_s
, data
);
4334 case EVENT_INTERFACE_STATUS
:
4335 wpa_supplicant_event_interface_status(wpa_s
, data
);
4337 case EVENT_PMKID_CANDIDATE
:
4338 wpa_supplicant_event_pmkid_candidate(wpa_s
, data
);
4342 wpa_supplicant_event_tdls(wpa_s
, data
);
4344 #endif /* CONFIG_TDLS */
4347 wpa_supplicant_event_wnm(wpa_s
, data
);
4349 #endif /* CONFIG_WNM */
4350 #ifdef CONFIG_IEEE80211R
4351 case EVENT_FT_RESPONSE
:
4352 wpa_supplicant_event_ft_response(wpa_s
, data
);
4354 #endif /* CONFIG_IEEE80211R */
4355 #ifdef CONFIG_IBSS_RSN
4356 case EVENT_IBSS_RSN_START
:
4357 wpa_supplicant_event_ibss_rsn_start(wpa_s
, data
);
4359 #endif /* CONFIG_IBSS_RSN */
4360 case EVENT_ASSOC_REJECT
:
4361 wpas_event_assoc_reject(wpa_s
, data
);
4363 case EVENT_AUTH_TIMED_OUT
:
4364 /* It is possible to get this event from earlier connection */
4365 if (wpa_s
->current_ssid
&&
4366 wpa_s
->current_ssid
->mode
== WPAS_MODE_MESH
) {
4367 wpa_dbg(wpa_s
, MSG_DEBUG
,
4368 "Ignore AUTH_TIMED_OUT in mesh configuration");
4371 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
4372 sme_event_auth_timed_out(wpa_s
, data
);
4374 case EVENT_ASSOC_TIMED_OUT
:
4375 /* It is possible to get this event from earlier connection */
4376 if (wpa_s
->current_ssid
&&
4377 wpa_s
->current_ssid
->mode
== WPAS_MODE_MESH
) {
4378 wpa_dbg(wpa_s
, MSG_DEBUG
,
4379 "Ignore ASSOC_TIMED_OUT in mesh configuration");
4382 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
4383 sme_event_assoc_timed_out(wpa_s
, data
);
4385 case EVENT_TX_STATUS
:
4386 wpa_dbg(wpa_s
, MSG_DEBUG
, "EVENT_TX_STATUS dst=" MACSTR
4387 " type=%d stype=%d",
4388 MAC2STR(data
->tx_status
.dst
),
4389 data
->tx_status
.type
, data
->tx_status
.stype
);
4391 if (wpa_s
->ap_iface
== NULL
) {
4392 #ifdef CONFIG_OFFCHANNEL
4393 if (data
->tx_status
.type
== WLAN_FC_TYPE_MGMT
&&
4394 data
->tx_status
.stype
== WLAN_FC_STYPE_ACTION
)
4395 offchannel_send_action_tx_status(
4396 wpa_s
, data
->tx_status
.dst
,
4397 data
->tx_status
.data
,
4398 data
->tx_status
.data_len
,
4399 data
->tx_status
.ack
?
4400 OFFCHANNEL_SEND_ACTION_SUCCESS
:
4401 OFFCHANNEL_SEND_ACTION_NO_ACK
);
4402 #endif /* CONFIG_OFFCHANNEL */
4405 #endif /* CONFIG_AP */
4406 #ifdef CONFIG_OFFCHANNEL
4407 wpa_dbg(wpa_s
, MSG_DEBUG
, "EVENT_TX_STATUS pending_dst="
4408 MACSTR
, MAC2STR(wpa_s
->p2pdev
->pending_action_dst
));
4410 * Catch TX status events for Action frames we sent via group
4411 * interface in GO mode, or via standalone AP interface.
4412 * Note, wpa_s->p2pdev will be the same as wpa_s->parent,
4413 * except when the primary interface is used as a GO interface
4414 * (for drivers which do not have group interface concurrency)
4416 if (data
->tx_status
.type
== WLAN_FC_TYPE_MGMT
&&
4417 data
->tx_status
.stype
== WLAN_FC_STYPE_ACTION
&&
4418 os_memcmp(wpa_s
->p2pdev
->pending_action_dst
,
4419 data
->tx_status
.dst
, ETH_ALEN
) == 0) {
4420 offchannel_send_action_tx_status(
4421 wpa_s
->p2pdev
, data
->tx_status
.dst
,
4422 data
->tx_status
.data
,
4423 data
->tx_status
.data_len
,
4424 data
->tx_status
.ack
?
4425 OFFCHANNEL_SEND_ACTION_SUCCESS
:
4426 OFFCHANNEL_SEND_ACTION_NO_ACK
);
4429 #endif /* CONFIG_OFFCHANNEL */
4431 switch (data
->tx_status
.type
) {
4432 case WLAN_FC_TYPE_MGMT
:
4433 ap_mgmt_tx_cb(wpa_s
, data
->tx_status
.data
,
4434 data
->tx_status
.data_len
,
4435 data
->tx_status
.stype
,
4436 data
->tx_status
.ack
);
4438 case WLAN_FC_TYPE_DATA
:
4439 ap_tx_status(wpa_s
, data
->tx_status
.dst
,
4440 data
->tx_status
.data
,
4441 data
->tx_status
.data_len
,
4442 data
->tx_status
.ack
);
4445 #endif /* CONFIG_AP */
4448 case EVENT_EAPOL_TX_STATUS
:
4449 ap_eapol_tx_status(wpa_s
, data
->eapol_tx_status
.dst
,
4450 data
->eapol_tx_status
.data
,
4451 data
->eapol_tx_status
.data_len
,
4452 data
->eapol_tx_status
.ack
);
4454 case EVENT_DRIVER_CLIENT_POLL_OK
:
4455 ap_client_poll_ok(wpa_s
, data
->client_poll
.addr
);
4457 case EVENT_RX_FROM_UNKNOWN
:
4458 if (wpa_s
->ap_iface
== NULL
)
4460 ap_rx_from_unknown_sta(wpa_s
, data
->rx_from_unknown
.addr
,
4461 data
->rx_from_unknown
.wds
);
4463 #endif /* CONFIG_AP */
4464 case EVENT_CH_SWITCH
:
4465 if (!data
|| !wpa_s
->current_ssid
)
4468 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_CHANNEL_SWITCH
4469 "freq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d",
4470 data
->ch_switch
.freq
,
4471 data
->ch_switch
.ht_enabled
,
4472 data
->ch_switch
.ch_offset
,
4473 channel_width_to_string(data
->ch_switch
.ch_width
),
4474 data
->ch_switch
.cf1
,
4475 data
->ch_switch
.cf2
);
4477 wpa_s
->assoc_freq
= data
->ch_switch
.freq
;
4478 wpa_s
->current_ssid
->frequency
= data
->ch_switch
.freq
;
4481 if (wpa_s
->current_ssid
->mode
== WPAS_MODE_AP
||
4482 wpa_s
->current_ssid
->mode
== WPAS_MODE_P2P_GO
||
4483 wpa_s
->current_ssid
->mode
== WPAS_MODE_MESH
||
4484 wpa_s
->current_ssid
->mode
==
4485 WPAS_MODE_P2P_GROUP_FORMATION
) {
4486 wpas_ap_ch_switch(wpa_s
, data
->ch_switch
.freq
,
4487 data
->ch_switch
.ht_enabled
,
4488 data
->ch_switch
.ch_offset
,
4489 data
->ch_switch
.ch_width
,
4490 data
->ch_switch
.cf1
,
4491 data
->ch_switch
.cf2
);
4493 #endif /* CONFIG_AP */
4495 #ifdef CONFIG_IEEE80211W
4496 sme_event_ch_switch(wpa_s
);
4497 #endif /* CONFIG_IEEE80211W */
4498 wpas_p2p_update_channel_list(wpa_s
, WPAS_P2P_CHANNEL_UPDATE_CS
);
4499 wnm_clear_coloc_intf_reporting(wpa_s
);
4503 case EVENT_DFS_RADAR_DETECTED
:
4505 wpas_ap_event_dfs_radar_detected(wpa_s
,
4508 case EVENT_DFS_NOP_FINISHED
:
4510 wpas_ap_event_dfs_cac_nop_finished(wpa_s
,
4513 #endif /* NEED_AP_MLME */
4514 #endif /* CONFIG_AP */
4515 case EVENT_DFS_CAC_STARTED
:
4517 wpas_event_dfs_cac_started(wpa_s
, &data
->dfs_event
);
4519 case EVENT_DFS_CAC_FINISHED
:
4521 wpas_event_dfs_cac_finished(wpa_s
, &data
->dfs_event
);
4523 case EVENT_DFS_CAC_ABORTED
:
4525 wpas_event_dfs_cac_aborted(wpa_s
, &data
->dfs_event
);
4527 case EVENT_RX_MGMT
: {
4529 const struct ieee80211_mgmt
*mgmt
;
4531 #ifdef CONFIG_TESTING_OPTIONS
4532 if (wpa_s
->ext_mgmt_frame_handling
) {
4533 struct rx_mgmt
*rx
= &data
->rx_mgmt
;
4534 size_t hex_len
= 2 * rx
->frame_len
+ 1;
4535 char *hex
= os_malloc(hex_len
);
4537 wpa_snprintf_hex(hex
, hex_len
,
4538 rx
->frame
, rx
->frame_len
);
4539 wpa_msg(wpa_s
, MSG_INFO
, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
4540 rx
->freq
, rx
->datarate
, rx
->ssi_signal
,
4546 #endif /* CONFIG_TESTING_OPTIONS */
4548 mgmt
= (const struct ieee80211_mgmt
*)
4549 data
->rx_mgmt
.frame
;
4550 fc
= le_to_host16(mgmt
->frame_control
);
4551 stype
= WLAN_FC_GET_STYPE(fc
);
4554 if (wpa_s
->ap_iface
== NULL
) {
4555 #endif /* CONFIG_AP */
4557 if (stype
== WLAN_FC_STYPE_PROBE_REQ
&&
4558 data
->rx_mgmt
.frame_len
> IEEE80211_HDRLEN
) {
4559 const u8
*src
= mgmt
->sa
;
4563 ie
= data
->rx_mgmt
.frame
+ IEEE80211_HDRLEN
;
4564 ie_len
= data
->rx_mgmt
.frame_len
-
4566 wpas_p2p_probe_req_rx(
4567 wpa_s
, src
, mgmt
->da
,
4568 mgmt
->bssid
, ie
, ie_len
,
4570 data
->rx_mgmt
.ssi_signal
);
4573 #endif /* CONFIG_P2P */
4574 #ifdef CONFIG_IBSS_RSN
4575 if (wpa_s
->current_ssid
&&
4576 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
&&
4577 stype
== WLAN_FC_STYPE_AUTH
&&
4578 data
->rx_mgmt
.frame_len
>= 30) {
4579 wpa_supplicant_event_ibss_auth(wpa_s
, data
);
4582 #endif /* CONFIG_IBSS_RSN */
4584 if (stype
== WLAN_FC_STYPE_ACTION
) {
4585 wpas_event_rx_mgmt_action(
4586 wpa_s
, data
->rx_mgmt
.frame
,
4587 data
->rx_mgmt
.frame_len
,
4589 data
->rx_mgmt
.ssi_signal
);
4594 mesh_mpm_mgmt_rx(wpa_s
, &data
->rx_mgmt
);
4599 if (stype
== WLAN_FC_STYPE_AUTH
&&
4600 !(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
4601 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SAE
)) {
4602 sme_external_auth_mgmt_rx(
4603 wpa_s
, data
->rx_mgmt
.frame
,
4604 data
->rx_mgmt
.frame_len
);
4607 #endif /* CONFIG_SAE */
4608 wpa_dbg(wpa_s
, MSG_DEBUG
, "AP: ignore received "
4609 "management frame in non-AP mode");
4614 if (stype
== WLAN_FC_STYPE_PROBE_REQ
&&
4615 data
->rx_mgmt
.frame_len
> IEEE80211_HDRLEN
) {
4619 ie
= data
->rx_mgmt
.frame
+ IEEE80211_HDRLEN
;
4620 ie_len
= data
->rx_mgmt
.frame_len
- IEEE80211_HDRLEN
;
4622 wpas_notify_preq(wpa_s
, mgmt
->sa
, mgmt
->da
,
4623 mgmt
->bssid
, ie
, ie_len
,
4624 data
->rx_mgmt
.ssi_signal
);
4627 ap_mgmt_rx(wpa_s
, &data
->rx_mgmt
);
4628 #endif /* CONFIG_AP */
4631 case EVENT_RX_PROBE_REQ
:
4632 if (data
->rx_probe_req
.sa
== NULL
||
4633 data
->rx_probe_req
.ie
== NULL
)
4636 if (wpa_s
->ap_iface
) {
4637 hostapd_probe_req_rx(wpa_s
->ap_iface
->bss
[0],
4638 data
->rx_probe_req
.sa
,
4639 data
->rx_probe_req
.da
,
4640 data
->rx_probe_req
.bssid
,
4641 data
->rx_probe_req
.ie
,
4642 data
->rx_probe_req
.ie_len
,
4643 data
->rx_probe_req
.ssi_signal
);
4646 #endif /* CONFIG_AP */
4647 wpas_p2p_probe_req_rx(wpa_s
, data
->rx_probe_req
.sa
,
4648 data
->rx_probe_req
.da
,
4649 data
->rx_probe_req
.bssid
,
4650 data
->rx_probe_req
.ie
,
4651 data
->rx_probe_req
.ie_len
,
4653 data
->rx_probe_req
.ssi_signal
);
4655 case EVENT_REMAIN_ON_CHANNEL
:
4656 #ifdef CONFIG_OFFCHANNEL
4657 offchannel_remain_on_channel_cb(
4658 wpa_s
, data
->remain_on_channel
.freq
,
4659 data
->remain_on_channel
.duration
);
4660 #endif /* CONFIG_OFFCHANNEL */
4661 wpas_p2p_remain_on_channel_cb(
4662 wpa_s
, data
->remain_on_channel
.freq
,
4663 data
->remain_on_channel
.duration
);
4665 case EVENT_CANCEL_REMAIN_ON_CHANNEL
:
4666 #ifdef CONFIG_OFFCHANNEL
4667 offchannel_cancel_remain_on_channel_cb(
4668 wpa_s
, data
->remain_on_channel
.freq
);
4669 #endif /* CONFIG_OFFCHANNEL */
4670 wpas_p2p_cancel_remain_on_channel_cb(
4671 wpa_s
, data
->remain_on_channel
.freq
);
4673 wpas_dpp_cancel_remain_on_channel_cb(
4674 wpa_s
, data
->remain_on_channel
.freq
);
4675 #endif /* CONFIG_DPP */
4677 case EVENT_EAPOL_RX
:
4678 wpa_supplicant_rx_eapol(wpa_s
, data
->eapol_rx
.src
,
4679 data
->eapol_rx
.data
,
4680 data
->eapol_rx
.data_len
);
4682 case EVENT_SIGNAL_CHANGE
:
4683 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_SIGNAL_CHANGE
4684 "above=%d signal=%d noise=%d txrate=%d",
4685 data
->signal_change
.above_threshold
,
4686 data
->signal_change
.current_signal
,
4687 data
->signal_change
.current_noise
,
4688 data
->signal_change
.current_txrate
);
4689 wpa_bss_update_level(wpa_s
->current_bss
,
4690 data
->signal_change
.current_signal
);
4691 bgscan_notify_signal_change(
4692 wpa_s
, data
->signal_change
.above_threshold
,
4693 data
->signal_change
.current_signal
,
4694 data
->signal_change
.current_noise
,
4695 data
->signal_change
.current_txrate
);
4697 case EVENT_INTERFACE_MAC_CHANGED
:
4698 wpa_supplicant_update_mac_addr(wpa_s
);
4700 case EVENT_INTERFACE_ENABLED
:
4701 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interface was enabled");
4702 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
4703 wpa_supplicant_update_mac_addr(wpa_s
);
4704 if (wpa_s
->p2p_mgmt
) {
4705 wpa_supplicant_set_state(wpa_s
,
4711 if (!wpa_s
->ap_iface
) {
4712 wpa_supplicant_set_state(wpa_s
,
4714 wpa_s
->scan_req
= NORMAL_SCAN_REQ
;
4715 wpa_supplicant_req_scan(wpa_s
, 0, 0);
4717 wpa_supplicant_set_state(wpa_s
,
4719 #else /* CONFIG_AP */
4720 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
4721 wpa_supplicant_req_scan(wpa_s
, 0, 0);
4722 #endif /* CONFIG_AP */
4725 case EVENT_INTERFACE_DISABLED
:
4726 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interface was disabled");
4728 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
4729 (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->p2p_group
&&
4730 wpa_s
->current_ssid
->mode
== WPAS_MODE_P2P_GO
)) {
4732 * Mark interface disabled if this happens to end up not
4733 * being removed as a separate P2P group interface.
4735 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
4737 * The interface was externally disabled. Remove
4738 * it assuming an external entity will start a
4739 * new session if needed.
4741 if (wpa_s
->current_ssid
&&
4742 wpa_s
->current_ssid
->p2p_group
)
4743 wpas_p2p_interface_unavailable(wpa_s
);
4745 wpas_p2p_disconnect(wpa_s
);
4747 * wpa_s instance may have been freed, so must not use
4752 if (wpa_s
->p2p_scan_work
&& wpa_s
->global
->p2p
&&
4753 p2p_in_progress(wpa_s
->global
->p2p
) > 1) {
4754 /* This radio work will be cancelled, so clear P2P
4757 p2p_stop_find(wpa_s
->global
->p2p
);
4759 #endif /* CONFIG_P2P */
4761 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
4763 * Indicate disconnection to keep ctrl_iface events
4766 wpa_supplicant_event_disassoc(
4767 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
, 1);
4769 wpa_supplicant_mark_disassoc(wpa_s
);
4770 wpa_bss_flush(wpa_s
);
4771 radio_remove_works(wpa_s
, NULL
, 0);
4773 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
4775 case EVENT_CHANNEL_LIST_CHANGED
:
4776 wpa_supplicant_update_channel_list(
4777 wpa_s
, &data
->channel_list_changed
);
4779 case EVENT_INTERFACE_UNAVAILABLE
:
4780 wpas_p2p_interface_unavailable(wpa_s
);
4782 case EVENT_BEST_CHANNEL
:
4783 wpa_dbg(wpa_s
, MSG_DEBUG
, "Best channel event received "
4785 data
->best_chan
.freq_24
, data
->best_chan
.freq_5
,
4786 data
->best_chan
.freq_overall
);
4787 wpa_s
->best_24_freq
= data
->best_chan
.freq_24
;
4788 wpa_s
->best_5_freq
= data
->best_chan
.freq_5
;
4789 wpa_s
->best_overall_freq
= data
->best_chan
.freq_overall
;
4790 wpas_p2p_update_best_channels(wpa_s
, data
->best_chan
.freq_24
,
4791 data
->best_chan
.freq_5
,
4792 data
->best_chan
.freq_overall
);
4794 case EVENT_UNPROT_DEAUTH
:
4795 wpa_supplicant_event_unprot_deauth(wpa_s
,
4796 &data
->unprot_deauth
);
4798 case EVENT_UNPROT_DISASSOC
:
4799 wpa_supplicant_event_unprot_disassoc(wpa_s
,
4800 &data
->unprot_disassoc
);
4802 case EVENT_STATION_LOW_ACK
:
4804 if (wpa_s
->ap_iface
&& data
)
4805 hostapd_event_sta_low_ack(wpa_s
->ap_iface
->bss
[0],
4806 data
->low_ack
.addr
);
4807 #endif /* CONFIG_AP */
4810 wpa_tdls_disable_unreachable_link(wpa_s
->wpa
,
4811 data
->low_ack
.addr
);
4812 #endif /* CONFIG_TDLS */
4814 case EVENT_IBSS_PEER_LOST
:
4815 #ifdef CONFIG_IBSS_RSN
4816 ibss_rsn_stop(wpa_s
->ibss_rsn
, data
->ibss_peer_lost
.peer
);
4817 #endif /* CONFIG_IBSS_RSN */
4819 case EVENT_DRIVER_GTK_REKEY
:
4820 if (os_memcmp(data
->driver_gtk_rekey
.bssid
,
4821 wpa_s
->bssid
, ETH_ALEN
))
4825 wpa_sm_update_replay_ctr(wpa_s
->wpa
,
4826 data
->driver_gtk_rekey
.replay_ctr
);
4828 case EVENT_SCHED_SCAN_STOPPED
:
4829 wpa_s
->sched_scanning
= 0;
4830 resched
= wpa_s
->scanning
&& wpas_scan_scheduled(wpa_s
);
4831 wpa_supplicant_notify_scanning(wpa_s
, 0);
4833 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
4837 * If the driver stopped scanning without being requested to,
4838 * request a new scan to continue scanning for networks.
4840 if (!wpa_s
->sched_scan_stop_req
&&
4841 wpa_s
->wpa_state
== WPA_SCANNING
) {
4842 wpa_dbg(wpa_s
, MSG_DEBUG
,
4843 "Restart scanning after unexpected sched_scan stop event");
4844 wpa_supplicant_req_scan(wpa_s
, 1, 0);
4848 wpa_s
->sched_scan_stop_req
= 0;
4851 * Start a new sched scan to continue searching for more SSIDs
4852 * either if timed out or PNO schedule scan is pending.
4854 if (wpa_s
->sched_scan_timed_out
) {
4855 wpa_supplicant_req_sched_scan(wpa_s
);
4856 } else if (wpa_s
->pno_sched_pending
) {
4857 wpa_s
->pno_sched_pending
= 0;
4858 wpas_start_pno(wpa_s
);
4859 } else if (resched
) {
4860 wpa_supplicant_req_scan(wpa_s
, 0, 0);
4864 case EVENT_WPS_BUTTON_PUSHED
:
4866 wpas_wps_start_pbc(wpa_s
, NULL
, 0, 0);
4867 #endif /* CONFIG_WPS */
4869 case EVENT_AVOID_FREQUENCIES
:
4870 wpa_supplicant_notify_avoid_freq(wpa_s
, data
);
4872 case EVENT_CONNECT_FAILED_REASON
:
4874 if (!wpa_s
->ap_iface
|| !data
)
4876 hostapd_event_connect_failed_reason(
4877 wpa_s
->ap_iface
->bss
[0],
4878 data
->connect_failed_reason
.addr
,
4879 data
->connect_failed_reason
.code
);
4880 #endif /* CONFIG_AP */
4882 case EVENT_NEW_PEER_CANDIDATE
:
4884 if (!wpa_s
->ifmsh
|| !data
)
4886 wpa_mesh_notify_peer(wpa_s
, data
->mesh_peer
.peer
,
4887 data
->mesh_peer
.ies
,
4888 data
->mesh_peer
.ie_len
);
4889 #endif /* CONFIG_MESH */
4893 if (!wpa_s
->ap_iface
)
4895 hostapd_event_get_survey(wpa_s
->ap_iface
,
4896 &data
->survey_results
);
4897 #endif /* CONFIG_AP */
4899 case EVENT_ACS_CHANNEL_SELECTED
:
4902 if (!wpa_s
->ap_iface
)
4904 hostapd_acs_channel_selected(wpa_s
->ap_iface
->bss
[0],
4905 &data
->acs_selected_channels
);
4906 #endif /* CONFIG_ACS */
4907 #endif /* CONFIG_AP */
4909 case EVENT_P2P_LO_STOP
:
4911 wpa_s
->p2p_lo_started
= 0;
4912 wpa_msg(wpa_s
, MSG_INFO
, P2P_EVENT_LISTEN_OFFLOAD_STOP
4913 P2P_LISTEN_OFFLOAD_STOP_REASON
"reason=%d",
4914 data
->p2p_lo_stop
.reason_code
);
4915 #endif /* CONFIG_P2P */
4917 case EVENT_BEACON_LOSS
:
4918 if (!wpa_s
->current_bss
|| !wpa_s
->current_ssid
)
4920 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_BEACON_LOSS
);
4921 bgscan_notify_beacon_loss(wpa_s
);
4923 case EVENT_EXTERNAL_AUTH
:
4925 if (!wpa_s
->current_ssid
) {
4926 wpa_printf(MSG_DEBUG
, "SAE: current_ssid is NULL");
4929 sme_external_auth_trigger(wpa_s
, data
);
4930 #endif /* CONFIG_SAE */
4932 case EVENT_PORT_AUTHORIZED
:
4933 wpa_supplicant_event_port_authorized(wpa_s
);
4935 case EVENT_STATION_OPMODE_CHANGED
:
4937 if (!wpa_s
->ap_iface
|| !data
)
4940 hostapd_event_sta_opmode_changed(wpa_s
->ap_iface
->bss
[0],
4941 data
->sta_opmode
.addr
,
4942 data
->sta_opmode
.smps_mode
,
4943 data
->sta_opmode
.chan_width
,
4944 data
->sta_opmode
.rx_nss
);
4945 #endif /* CONFIG_AP */
4948 wpa_msg(wpa_s
, MSG_INFO
, "Unknown event %d", event
);
4954 void wpa_supplicant_event_global(void *ctx
, enum wpa_event_type event
,
4955 union wpa_event_data
*data
)
4957 struct wpa_supplicant
*wpa_s
;
4959 if (event
!= EVENT_INTERFACE_STATUS
)
4962 wpa_s
= wpa_supplicant_get_iface(ctx
, data
->interface_status
.ifname
);
4963 if (wpa_s
&& wpa_s
->driver
->get_ifindex
) {
4964 unsigned int ifindex
;
4966 ifindex
= wpa_s
->driver
->get_ifindex(wpa_s
->drv_priv
);
4967 if (ifindex
!= data
->interface_status
.ifindex
) {
4968 wpa_dbg(wpa_s
, MSG_DEBUG
,
4969 "interface status ifindex %d mismatch (%d)",
4970 ifindex
, data
->interface_status
.ifindex
);
4974 #ifdef CONFIG_MATCH_IFACE
4975 else if (data
->interface_status
.ievent
== EVENT_INTERFACE_ADDED
) {
4976 struct wpa_interface
*wpa_i
;
4978 wpa_i
= wpa_supplicant_match_iface(
4979 ctx
, data
->interface_status
.ifname
);
4982 wpa_s
= wpa_supplicant_add_iface(ctx
, wpa_i
, NULL
);
4987 #endif /* CONFIG_MATCH_IFACE */
4990 wpa_supplicant_event(wpa_s
, event
, data
);