2 * WPA Supplicant - Driver event processing
3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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"
28 #include "common/ieee802_11_defs.h"
29 #include "common/ieee802_11_common.h"
30 #include "crypto/random.h"
31 #include "blacklist.h"
32 #include "wpas_glue.h"
33 #include "wps_supplicant.h"
36 #include "gas_query.h"
37 #include "p2p_supplicant.h"
43 #include "offchannel.h"
44 #include "interworking.h"
47 static int wpas_temp_disabled(struct wpa_supplicant
*wpa_s
,
48 struct wpa_ssid
*ssid
)
52 if (ssid
== NULL
|| ssid
->disabled_until
.sec
== 0)
56 if (ssid
->disabled_until
.sec
> now
.sec
)
57 return ssid
->disabled_until
.sec
- now
.sec
;
59 wpas_clear_temp_disabled(wpa_s
, ssid
, 0);
65 static int wpa_supplicant_select_config(struct wpa_supplicant
*wpa_s
)
67 struct wpa_ssid
*ssid
, *old_ssid
;
70 if (wpa_s
->conf
->ap_scan
== 1 && wpa_s
->current_ssid
)
73 wpa_dbg(wpa_s
, MSG_DEBUG
, "Select network based on association "
75 ssid
= wpa_supplicant_get_ssid(wpa_s
);
77 wpa_msg(wpa_s
, MSG_INFO
,
78 "No network configuration found for the current AP");
82 if (wpas_network_disabled(wpa_s
, ssid
)) {
83 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is disabled");
87 if (disallowed_bssid(wpa_s
, wpa_s
->bssid
) ||
88 disallowed_ssid(wpa_s
, ssid
->ssid
, ssid
->ssid_len
)) {
89 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected BSS is disallowed");
93 res
= wpas_temp_disabled(wpa_s
, ssid
);
95 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is temporarily "
96 "disabled for %d second(s)", res
);
100 wpa_dbg(wpa_s
, MSG_DEBUG
, "Network configuration found for the "
102 if (wpa_key_mgmt_wpa_any(ssid
->key_mgmt
)) {
104 size_t wpa_ie_len
= sizeof(wpa_ie
);
105 if (wpa_supplicant_set_suites(wpa_s
, NULL
, ssid
,
106 wpa_ie
, &wpa_ie_len
) < 0)
107 wpa_dbg(wpa_s
, MSG_DEBUG
, "Could not set WPA suites");
109 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
112 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
!= ssid
)
113 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
114 old_ssid
= wpa_s
->current_ssid
;
115 wpa_s
->current_ssid
= ssid
;
116 wpa_supplicant_rsn_supp_set_config(wpa_s
, wpa_s
->current_ssid
);
117 wpa_supplicant_initiate_eapol(wpa_s
);
118 if (old_ssid
!= wpa_s
->current_ssid
)
119 wpas_notify_network_changed(wpa_s
);
125 void wpa_supplicant_stop_countermeasures(void *eloop_ctx
, void *sock_ctx
)
127 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
129 if (wpa_s
->countermeasures
) {
130 wpa_s
->countermeasures
= 0;
131 wpa_drv_set_countermeasures(wpa_s
, 0);
132 wpa_msg(wpa_s
, MSG_INFO
, "WPA: TKIP countermeasures stopped");
133 wpa_supplicant_req_scan(wpa_s
, 0, 0);
138 void wpa_supplicant_mark_disassoc(struct wpa_supplicant
*wpa_s
)
142 wnm_bss_keep_alive_deinit(wpa_s
);
144 #ifdef CONFIG_IBSS_RSN
145 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
146 wpa_s
->ibss_rsn
= NULL
;
147 #endif /* CONFIG_IBSS_RSN */
150 wpa_supplicant_ap_deinit(wpa_s
);
151 #endif /* CONFIG_AP */
153 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
156 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
157 bssid_changed
= !is_zero_ether_addr(wpa_s
->bssid
);
158 os_memset(wpa_s
->bssid
, 0, ETH_ALEN
);
159 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
161 wpa_s
->sme
.prev_bssid_set
= 0;
162 #endif /* CONFIG_SME */
164 os_memset(wpa_s
->go_dev_addr
, 0, ETH_ALEN
);
165 #endif /* CONFIG_P2P */
166 wpa_s
->current_bss
= NULL
;
167 wpa_s
->assoc_freq
= 0;
168 #ifdef CONFIG_IEEE80211R
170 if (wpa_s
->sme
.ft_ies
)
171 sme_update_ft_ies(wpa_s
, NULL
, NULL
, 0);
172 #endif /* CONFIG_SME */
173 #endif /* CONFIG_IEEE80211R */
176 wpas_notify_bssid_changed(wpa_s
);
178 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
179 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
180 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
))
181 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
182 wpa_s
->ap_ies_from_associnfo
= 0;
183 wpa_s
->current_ssid
= NULL
;
188 static void wpa_find_assoc_pmkid(struct wpa_supplicant
*wpa_s
)
190 struct wpa_ie_data ie
;
194 if (wpa_sm_parse_own_wpa_ie(wpa_s
->wpa
, &ie
) < 0 ||
198 for (i
= 0; i
< ie
.num_pmkid
; i
++) {
199 pmksa_set
= pmksa_cache_set_current(wpa_s
->wpa
,
200 ie
.pmkid
+ i
* PMKID_LEN
,
202 if (pmksa_set
== 0) {
203 eapol_sm_notify_pmkid_attempt(wpa_s
->eapol
, 1);
208 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: PMKID from assoc IE %sfound from "
209 "PMKSA cache", pmksa_set
== 0 ? "" : "not ");
213 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant
*wpa_s
,
214 union wpa_event_data
*data
)
217 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: No data in PMKID candidate "
221 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: PMKID candidate event - bssid=" MACSTR
222 " index=%d preauth=%d",
223 MAC2STR(data
->pmkid_candidate
.bssid
),
224 data
->pmkid_candidate
.index
,
225 data
->pmkid_candidate
.preauth
);
227 pmksa_candidate_add(wpa_s
->wpa
, data
->pmkid_candidate
.bssid
,
228 data
->pmkid_candidate
.index
,
229 data
->pmkid_candidate
.preauth
);
233 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant
*wpa_s
)
235 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
236 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
)
239 #ifdef IEEE8021X_EAPOL
240 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
241 wpa_s
->current_ssid
&&
242 !(wpa_s
->current_ssid
->eapol_flags
&
243 (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
244 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
))) {
245 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
246 * plaintext or static WEP keys). */
249 #endif /* IEEE8021X_EAPOL */
256 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
257 * @wpa_s: pointer to wpa_supplicant data
258 * @ssid: Configuration data for the network
259 * Returns: 0 on success, -1 on failure
261 * This function is called when starting authentication with a network that is
262 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
264 int wpa_supplicant_scard_init(struct wpa_supplicant
*wpa_s
,
265 struct wpa_ssid
*ssid
)
267 #ifdef IEEE8021X_EAPOL
269 int aka
= 0, sim
= 0, type
;
271 if (ssid
->eap
.pcsc
== NULL
|| wpa_s
->scard
!= NULL
)
274 if (ssid
->eap
.eap_methods
== NULL
) {
278 struct eap_method_type
*eap
= ssid
->eap
.eap_methods
;
279 while (eap
->vendor
!= EAP_VENDOR_IETF
||
280 eap
->method
!= EAP_TYPE_NONE
) {
281 if (eap
->vendor
== EAP_VENDOR_IETF
) {
282 if (eap
->method
== EAP_TYPE_SIM
)
284 else if (eap
->method
== EAP_TYPE_AKA
||
285 eap
->method
== EAP_TYPE_AKA_PRIME
)
292 if (eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_SIM
) == NULL
)
294 if (eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_AKA
) == NULL
&&
295 eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_AKA_PRIME
) ==
300 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is configured to "
301 "use SIM, but neither EAP-SIM nor EAP-AKA are "
306 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is configured to use SIM "
307 "(sim=%d aka=%d) - initialize PCSC", sim
, aka
);
309 type
= SCARD_TRY_BOTH
;
311 type
= SCARD_USIM_ONLY
;
313 type
= SCARD_GSM_SIM_ONLY
;
315 wpa_s
->scard
= scard_init(type
, NULL
);
316 if (wpa_s
->scard
== NULL
) {
317 wpa_msg(wpa_s
, MSG_WARNING
, "Failed to initialize SIM "
321 wpa_sm_set_scard_ctx(wpa_s
->wpa
, wpa_s
->scard
);
322 eapol_sm_register_scard_ctx(wpa_s
->eapol
, wpa_s
->scard
);
323 #endif /* PCSC_FUNCS */
324 #endif /* IEEE8021X_EAPOL */
330 #ifndef CONFIG_NO_SCAN_PROCESSING
331 static int wpa_supplicant_match_privacy(struct wpa_bss
*bss
,
332 struct wpa_ssid
*ssid
)
336 if (ssid
->mixed_cell
)
340 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)
342 #endif /* CONFIG_WPS */
344 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
345 if (ssid
->wep_key_len
[i
]) {
350 #ifdef IEEE8021X_EAPOL
351 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) &&
352 ssid
->eapol_flags
& (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
353 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
))
355 #endif /* IEEE8021X_EAPOL */
357 if (wpa_key_mgmt_wpa(ssid
->key_mgmt
))
360 if (bss
->caps
& IEEE80211_CAP_PRIVACY
)
366 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant
*wpa_s
,
367 struct wpa_ssid
*ssid
,
370 struct wpa_ie_data ie
;
372 const u8
*rsn_ie
, *wpa_ie
;
376 ret
= wpas_wps_ssid_bss_match(wpa_s
, ssid
, bss
);
380 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
381 wep_ok
= !wpa_key_mgmt_wpa(ssid
->key_mgmt
) &&
382 (((ssid
->key_mgmt
& WPA_KEY_MGMT_NONE
) &&
383 ssid
->wep_key_len
[ssid
->wep_tx_keyidx
] > 0) ||
384 (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
));
386 rsn_ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
387 while ((ssid
->proto
& WPA_PROTO_RSN
) && rsn_ie
) {
390 if (wpa_parse_wpa_ie(rsn_ie
, 2 + rsn_ie
[1], &ie
)) {
391 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - parse "
397 (ie
.group_cipher
& (WPA_CIPHER_WEP40
| WPA_CIPHER_WEP104
)))
399 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on TSN "
404 if (!(ie
.proto
& ssid
->proto
)) {
405 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - proto "
410 if (!(ie
.pairwise_cipher
& ssid
->pairwise_cipher
)) {
411 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - PTK "
416 if (!(ie
.group_cipher
& ssid
->group_cipher
)) {
417 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - GTK "
422 if (!(ie
.key_mgmt
& ssid
->key_mgmt
)) {
423 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - key mgmt "
428 #ifdef CONFIG_IEEE80211W
429 if (!(ie
.capabilities
& WPA_CAPABILITY_MFPC
) &&
430 (ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
?
431 wpa_s
->conf
->pmf
: ssid
->ieee80211w
) ==
432 MGMT_FRAME_PROTECTION_REQUIRED
) {
433 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - no mgmt "
437 #endif /* CONFIG_IEEE80211W */
439 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on RSN IE");
443 wpa_ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
444 while ((ssid
->proto
& WPA_PROTO_WPA
) && wpa_ie
) {
447 if (wpa_parse_wpa_ie(wpa_ie
, 2 + wpa_ie
[1], &ie
)) {
448 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - parse "
454 (ie
.group_cipher
& (WPA_CIPHER_WEP40
| WPA_CIPHER_WEP104
)))
456 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on TSN "
461 if (!(ie
.proto
& ssid
->proto
)) {
462 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - proto "
467 if (!(ie
.pairwise_cipher
& ssid
->pairwise_cipher
)) {
468 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - PTK "
473 if (!(ie
.group_cipher
& ssid
->group_cipher
)) {
474 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - GTK "
479 if (!(ie
.key_mgmt
& ssid
->key_mgmt
)) {
480 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - key mgmt "
485 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on WPA IE");
489 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) && !wpa_ie
&&
491 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow for non-WPA IEEE 802.1X");
495 if ((ssid
->proto
& (WPA_PROTO_WPA
| WPA_PROTO_RSN
)) &&
496 wpa_key_mgmt_wpa(ssid
->key_mgmt
) && proto_match
== 0) {
497 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - no WPA/RSN proto match");
501 if (!wpa_key_mgmt_wpa(ssid
->key_mgmt
)) {
502 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow in non-WPA/WPA2");
506 wpa_dbg(wpa_s
, MSG_DEBUG
, " reject due to mismatch with "
513 static int freq_allowed(int *freqs
, int freq
)
520 for (i
= 0; freqs
[i
]; i
++)
521 if (freqs
[i
] == freq
)
527 static int ht_supported(const struct hostapd_hw_modes
*mode
)
529 if (!(mode
->flags
& HOSTAPD_MODE_FLAG_HT_INFO_KNOWN
)) {
531 * The driver did not indicate whether it supports HT. Assume
532 * it does to avoid connection issues.
538 * IEEE Std 802.11n-2009 20.1.1:
539 * An HT non-AP STA shall support all EQM rates for one spatial stream.
541 return mode
->mcs_set
[0] == 0xff;
545 static int rate_match(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
547 const struct hostapd_hw_modes
*mode
= NULL
, *modes
;
548 const u8 scan_ie
[2] = { WLAN_EID_SUPP_RATES
, WLAN_EID_EXT_SUPP_RATES
};
553 return 1; /* Cannot do matching without knowing band */
555 modes
= wpa_s
->hw
.modes
;
558 * The driver does not provide any additional information
559 * about the utilized hardware, so allow the connection attempt
565 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
566 for (j
= 0; j
< modes
[i
].num_channels
; j
++) {
567 int freq
= modes
[i
].channels
[j
].freq
;
568 if (freq
== bss
->freq
) {
570 mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
571 break; /* do not allow 802.11b replace
582 for (i
= 0; i
< (int) sizeof(scan_ie
); i
++) {
583 rate_ie
= wpa_bss_get_ie(bss
, scan_ie
[i
]);
587 for (j
= 2; j
< rate_ie
[1] + 2; j
++) {
588 int flagged
= !!(rate_ie
[j
] & 0x80);
589 int r
= (rate_ie
[j
] & 0x7f) * 5;
592 * IEEE Std 802.11n-2009 7.3.2.2:
593 * The new BSS Membership selector value is encoded
594 * like a legacy basic rate, but it is not a rate and
595 * only indicates if the BSS members are required to
596 * support the mandatory features of Clause 20 [HT PHY]
597 * in order to join the BSS.
599 if (flagged
&& ((rate_ie
[j
] & 0x7f) ==
600 BSS_MEMBERSHIP_SELECTOR_HT_PHY
)) {
601 if (!ht_supported(mode
)) {
602 wpa_dbg(wpa_s
, MSG_DEBUG
,
603 " hardware does not support "
613 /* check for legacy basic rates */
614 for (k
= 0; k
< mode
->num_rates
; k
++) {
615 if (mode
->rates
[k
] == r
)
618 if (k
== mode
->num_rates
) {
620 * IEEE Std 802.11-2007 7.3.2.2 demands that in
621 * order to join a BSS all required rates
622 * have to be supported by the hardware.
624 wpa_dbg(wpa_s
, MSG_DEBUG
, " hardware does "
625 "not support required rate %d.%d Mbps",
636 static struct wpa_ssid
* wpa_scan_res_match(struct wpa_supplicant
*wpa_s
,
637 int i
, struct wpa_bss
*bss
,
638 struct wpa_ssid
*group
)
640 u8 wpa_ie_len
, rsn_ie_len
;
642 struct wpa_blacklist
*e
;
644 struct wpa_ssid
*ssid
;
646 ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
647 wpa_ie_len
= ie
? ie
[1] : 0;
649 ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
650 rsn_ie_len
= ie
? ie
[1] : 0;
652 wpa_dbg(wpa_s
, MSG_DEBUG
, "%d: " MACSTR
" ssid='%s' "
653 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s",
654 i
, MAC2STR(bss
->bssid
), wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
),
655 wpa_ie_len
, rsn_ie_len
, bss
->caps
, bss
->level
,
656 wpa_bss_get_vendor_ie(bss
, WPS_IE_VENDOR_TYPE
) ? " wps" : "");
658 e
= wpa_blacklist_get(wpa_s
, bss
->bssid
);
661 if (wpa_supplicant_enabled_networks(wpa_s
) == 1) {
663 * When only a single network is enabled, we can
664 * trigger blacklisting on the first failure. This
665 * should not be done with multiple enabled networks to
666 * avoid getting forced to move into a worse ESS on
667 * single error if there are no other BSSes of the
672 if (e
->count
> limit
) {
673 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - blacklisted "
674 "(count=%d limit=%d)", e
->count
, limit
);
679 if (bss
->ssid_len
== 0) {
680 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID not known");
684 if (disallowed_bssid(wpa_s
, bss
->bssid
)) {
685 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - BSSID disallowed");
689 if (disallowed_ssid(wpa_s
, bss
->ssid
, bss
->ssid_len
)) {
690 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID disallowed");
694 wpa
= wpa_ie_len
> 0 || rsn_ie_len
> 0;
696 for (ssid
= group
; ssid
; ssid
= ssid
->pnext
) {
697 int check_ssid
= wpa
? 1 : (ssid
->ssid_len
!= 0);
700 if (wpas_network_disabled(wpa_s
, ssid
)) {
701 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - disabled");
705 res
= wpas_temp_disabled(wpa_s
, ssid
);
707 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - disabled "
708 "temporarily for %d second(s)", res
);
713 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) && e
&& e
->count
> 0) {
714 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - blacklisted "
719 if (wpa
&& ssid
->ssid_len
== 0 &&
720 wpas_wps_ssid_wildcard_ok(wpa_s
, ssid
, bss
))
723 if (!wpa
&& (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
724 /* Only allow wildcard SSID match if an AP
725 * advertises active WPS operation that matches
728 if (ssid
->ssid_len
== 0 &&
729 wpas_wps_ssid_wildcard_ok(wpa_s
, ssid
, bss
))
732 #endif /* CONFIG_WPS */
734 if (ssid
->bssid_set
&& ssid
->ssid_len
== 0 &&
735 os_memcmp(bss
->bssid
, ssid
->bssid
, ETH_ALEN
) == 0)
739 (bss
->ssid_len
!= ssid
->ssid_len
||
740 os_memcmp(bss
->ssid
, ssid
->ssid
, bss
->ssid_len
) != 0)) {
741 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID mismatch");
745 if (ssid
->bssid_set
&&
746 os_memcmp(bss
->bssid
, ssid
->bssid
, ETH_ALEN
) != 0) {
747 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - BSSID mismatch");
751 if (!wpa_supplicant_ssid_bss_match(wpa_s
, ssid
, bss
))
755 !(ssid
->key_mgmt
& WPA_KEY_MGMT_NONE
) &&
756 !(ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
757 !(ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) {
758 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - non-WPA network "
763 if (!wpa_supplicant_match_privacy(bss
, ssid
)) {
764 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - privacy "
769 if (bss
->caps
& IEEE80211_CAP_IBSS
) {
770 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - IBSS (adhoc) "
775 if (!freq_allowed(ssid
->freq_list
, bss
->freq
)) {
776 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - frequency not "
781 if (!rate_match(wpa_s
, bss
)) {
782 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - rate sets do "
789 * TODO: skip the AP if its P2P IE has Group Formation
790 * bit set in the P2P Group Capability Bitmap and we
791 * are not in Group Formation with that device.
793 #endif /* CONFIG_P2P */
795 /* Matching configuration found */
799 /* No matching configuration found */
804 static struct wpa_bss
*
805 wpa_supplicant_select_bss(struct wpa_supplicant
*wpa_s
,
806 struct wpa_ssid
*group
,
807 struct wpa_ssid
**selected_ssid
)
811 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selecting BSS from priority group %d",
814 for (i
= 0; i
< wpa_s
->last_scan_res_used
; i
++) {
815 struct wpa_bss
*bss
= wpa_s
->last_scan_res
[i
];
816 *selected_ssid
= wpa_scan_res_match(wpa_s
, i
, bss
, group
);
819 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected BSS " MACSTR
822 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
830 static struct wpa_bss
*
831 wpa_supplicant_pick_network(struct wpa_supplicant
*wpa_s
,
832 struct wpa_ssid
**selected_ssid
)
834 struct wpa_bss
*selected
= NULL
;
837 if (wpa_s
->last_scan_res
== NULL
||
838 wpa_s
->last_scan_res_used
== 0)
839 return NULL
; /* no scan results from last update */
841 while (selected
== NULL
) {
842 for (prio
= 0; prio
< wpa_s
->conf
->num_prio
; prio
++) {
843 selected
= wpa_supplicant_select_bss(
844 wpa_s
, wpa_s
->conf
->pssid
[prio
],
850 if (selected
== NULL
&& wpa_s
->blacklist
&&
851 !wpa_s
->countermeasures
) {
852 wpa_dbg(wpa_s
, MSG_DEBUG
, "No APs found - clear "
853 "blacklist and try again");
854 wpa_blacklist_clear(wpa_s
);
855 wpa_s
->blacklist_cleared
++;
856 } else if (selected
== NULL
)
864 static void wpa_supplicant_req_new_scan(struct wpa_supplicant
*wpa_s
,
865 int timeout_sec
, int timeout_usec
)
867 if (!wpa_supplicant_enabled_networks(wpa_s
)) {
869 * No networks are enabled; short-circuit request so
870 * we don't wait timeout seconds before transitioning
873 wpa_dbg(wpa_s
, MSG_DEBUG
, "Short-circuit new scan request "
874 "since there are no enabled networks");
875 wpa_supplicant_set_state(wpa_s
, WPA_INACTIVE
);
877 wpa_s
->sta_scan_pending
= 0;
878 #endif /* CONFIG_P2P */
882 wpa_s
->scan_for_connection
= 1;
883 wpa_supplicant_req_scan(wpa_s
, timeout_sec
, timeout_usec
);
887 int wpa_supplicant_connect(struct wpa_supplicant
*wpa_s
,
888 struct wpa_bss
*selected
,
889 struct wpa_ssid
*ssid
)
891 if (wpas_wps_scan_pbc_overlap(wpa_s
, selected
, ssid
)) {
892 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_OVERLAP
893 "PBC session overlap");
895 if (wpas_p2p_notif_pbc_overlap(wpa_s
) == 1)
897 #endif /* CONFIG_P2P */
900 wpas_wps_cancel(wpa_s
);
901 #endif /* CONFIG_WPS */
906 * Do not trigger new association unless the BSSID has changed or if
907 * reassociation is requested. If we are in process of associating with
908 * the selected BSSID, do not trigger new attempt.
910 if (wpa_s
->reassociate
||
911 (os_memcmp(selected
->bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0 &&
912 ((wpa_s
->wpa_state
!= WPA_ASSOCIATING
&&
913 wpa_s
->wpa_state
!= WPA_AUTHENTICATING
) ||
914 os_memcmp(selected
->bssid
, wpa_s
->pending_bssid
, ETH_ALEN
) !=
916 if (wpa_supplicant_scard_init(wpa_s
, ssid
)) {
917 wpa_supplicant_req_new_scan(wpa_s
, 10, 0);
920 wpa_msg(wpa_s
, MSG_DEBUG
, "Request association: "
921 "reassociate: %d selected: "MACSTR
" bssid: " MACSTR
922 " pending: " MACSTR
" wpa_state: %s",
923 wpa_s
->reassociate
, MAC2STR(selected
->bssid
),
924 MAC2STR(wpa_s
->bssid
), MAC2STR(wpa_s
->pending_bssid
),
925 wpa_supplicant_state_txt(wpa_s
->wpa_state
));
926 wpa_supplicant_associate(wpa_s
, selected
, ssid
);
928 wpa_dbg(wpa_s
, MSG_DEBUG
, "Already associated with the "
936 static struct wpa_ssid
*
937 wpa_supplicant_pick_new_network(struct wpa_supplicant
*wpa_s
)
940 struct wpa_ssid
*ssid
;
942 for (prio
= 0; prio
< wpa_s
->conf
->num_prio
; prio
++) {
943 for (ssid
= wpa_s
->conf
->pssid
[prio
]; ssid
; ssid
= ssid
->pnext
)
945 if (wpas_network_disabled(wpa_s
, ssid
))
947 if (ssid
->mode
== IEEE80211_MODE_IBSS
||
948 ssid
->mode
== IEEE80211_MODE_AP
)
956 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
957 * on BSS added and BSS changed events */
958 static void wpa_supplicant_rsn_preauth_scan_results(
959 struct wpa_supplicant
*wpa_s
)
963 if (rsn_preauth_scan_results(wpa_s
->wpa
) < 0)
966 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
967 const u8
*ssid
, *rsn
;
969 ssid
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
973 rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
977 rsn_preauth_scan_result(wpa_s
->wpa
, bss
->bssid
, ssid
, rsn
);
983 static int wpa_supplicant_need_to_roam(struct wpa_supplicant
*wpa_s
,
984 struct wpa_bss
*selected
,
985 struct wpa_ssid
*ssid
)
987 struct wpa_bss
*current_bss
= NULL
;
990 if (wpa_s
->reassociate
)
991 return 1; /* explicit request to reassociate */
992 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
993 return 1; /* we are not associated; continue */
994 if (wpa_s
->current_ssid
== NULL
)
995 return 1; /* unknown current SSID */
996 if (wpa_s
->current_ssid
!= ssid
)
997 return 1; /* different network block */
999 if (wpas_driver_bss_selection(wpa_s
))
1000 return 0; /* Driver-based roaming */
1002 if (wpa_s
->current_ssid
->ssid
)
1003 current_bss
= wpa_bss_get(wpa_s
, wpa_s
->bssid
,
1004 wpa_s
->current_ssid
->ssid
,
1005 wpa_s
->current_ssid
->ssid_len
);
1007 current_bss
= wpa_bss_get_bssid(wpa_s
, wpa_s
->bssid
);
1010 return 1; /* current BSS not seen in scan results */
1012 if (current_bss
== selected
)
1015 if (selected
->last_update_idx
> current_bss
->last_update_idx
)
1016 return 1; /* current BSS not seen in the last scan */
1018 #ifndef CONFIG_NO_ROAMING
1019 wpa_dbg(wpa_s
, MSG_DEBUG
, "Considering within-ESS reassociation");
1020 wpa_dbg(wpa_s
, MSG_DEBUG
, "Current BSS: " MACSTR
" level=%d",
1021 MAC2STR(current_bss
->bssid
), current_bss
->level
);
1022 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected BSS: " MACSTR
" level=%d",
1023 MAC2STR(selected
->bssid
), selected
->level
);
1025 if (wpa_s
->current_ssid
->bssid_set
&&
1026 os_memcmp(selected
->bssid
, wpa_s
->current_ssid
->bssid
, ETH_ALEN
) ==
1028 wpa_dbg(wpa_s
, MSG_DEBUG
, "Allow reassociation - selected BSS "
1029 "has preferred BSSID");
1033 if (current_bss
->level
< 0 && current_bss
->level
> selected
->level
) {
1034 wpa_dbg(wpa_s
, MSG_DEBUG
, "Skip roam - Current BSS has better "
1040 if (current_bss
->level
< 0) {
1041 if (current_bss
->level
< -85)
1043 else if (current_bss
->level
< -80)
1045 else if (current_bss
->level
< -75)
1047 else if (current_bss
->level
< -70)
1052 if (abs(current_bss
->level
- selected
->level
) < min_diff
) {
1053 wpa_dbg(wpa_s
, MSG_DEBUG
, "Skip roam - too small difference "
1059 #else /* CONFIG_NO_ROAMING */
1061 #endif /* CONFIG_NO_ROAMING */
1065 /* Return != 0 if no scan results could be fetched or if scan results should not
1066 * be shared with other virtual interfaces. */
1067 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant
*wpa_s
,
1068 union wpa_event_data
*data
)
1070 struct wpa_scan_results
*scan_res
;
1072 #ifndef CONFIG_NO_RANDOM_POOL
1074 #endif /* CONFIG_NO_RANDOM_POOL */
1077 if (wpa_s
->ap_iface
)
1079 #endif /* CONFIG_AP */
1081 wpa_supplicant_notify_scanning(wpa_s
, 0);
1084 if (wpa_s
->global
->p2p_cb_on_scan_complete
&&
1085 !wpa_s
->global
->p2p_disabled
&&
1086 wpa_s
->global
->p2p
!= NULL
&& !wpa_s
->sta_scan_pending
&&
1087 !wpa_s
->scan_res_handler
) {
1088 wpa_s
->global
->p2p_cb_on_scan_complete
= 0;
1089 if (p2p_other_scan_completed(wpa_s
->global
->p2p
) == 1) {
1090 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Pending P2P operation "
1091 "stopped scan processing");
1092 wpa_s
->sta_scan_pending
= 1;
1093 wpa_supplicant_req_scan(wpa_s
, 5, 0);
1097 wpa_s
->sta_scan_pending
= 0;
1098 #endif /* CONFIG_P2P */
1100 scan_res
= wpa_supplicant_get_scan_results(wpa_s
,
1101 data
? &data
->scan_info
:
1103 if (scan_res
== NULL
) {
1104 if (wpa_s
->conf
->ap_scan
== 2 || ap
)
1106 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to get scan results - try "
1108 wpa_supplicant_req_new_scan(wpa_s
, 1, 0);
1112 #ifndef CONFIG_NO_RANDOM_POOL
1113 num
= scan_res
->num
;
1116 for (i
= 0; i
< num
; i
++) {
1118 struct wpa_scan_res
*res
= scan_res
->res
[i
];
1119 buf
[0] = res
->bssid
[5];
1120 buf
[1] = res
->qual
& 0xff;
1121 buf
[2] = res
->noise
& 0xff;
1122 buf
[3] = res
->level
& 0xff;
1123 buf
[4] = res
->tsf
& 0xff;
1124 random_add_randomness(buf
, sizeof(buf
));
1126 #endif /* CONFIG_NO_RANDOM_POOL */
1128 if (wpa_s
->scan_res_handler
) {
1129 void (*scan_res_handler
)(struct wpa_supplicant
*wpa_s
,
1130 struct wpa_scan_results
*scan_res
);
1132 scan_res_handler
= wpa_s
->scan_res_handler
;
1133 wpa_s
->scan_res_handler
= NULL
;
1134 scan_res_handler(wpa_s
, scan_res
);
1136 wpa_scan_results_free(scan_res
);
1141 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore scan results in AP mode");
1143 if (wpa_s
->ap_iface
->scan_cb
)
1144 wpa_s
->ap_iface
->scan_cb(wpa_s
->ap_iface
);
1145 #endif /* CONFIG_AP */
1146 wpa_scan_results_free(scan_res
);
1150 wpa_dbg(wpa_s
, MSG_DEBUG
, "New scan results available");
1151 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_RESULTS
);
1152 wpas_notify_scan_results(wpa_s
);
1154 wpas_notify_scan_done(wpa_s
, 1);
1156 if (sme_proc_obss_scan(wpa_s
) > 0) {
1157 wpa_scan_results_free(scan_res
);
1161 if ((wpa_s
->conf
->ap_scan
== 2 && !wpas_wps_searching(wpa_s
))) {
1162 wpa_scan_results_free(scan_res
);
1166 if (autoscan_notify_scan(wpa_s
, scan_res
)) {
1167 wpa_scan_results_free(scan_res
);
1171 if (wpa_s
->disconnected
) {
1172 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1173 wpa_scan_results_free(scan_res
);
1177 if (!wpas_driver_bss_selection(wpa_s
) &&
1178 bgscan_notify_scan(wpa_s
, scan_res
) == 1) {
1179 wpa_scan_results_free(scan_res
);
1183 wpas_wps_update_ap_info(wpa_s
, scan_res
);
1185 wpa_scan_results_free(scan_res
);
1187 return wpas_select_network_from_last_scan(wpa_s
);
1191 int wpas_select_network_from_last_scan(struct wpa_supplicant
*wpa_s
)
1193 struct wpa_bss
*selected
;
1194 struct wpa_ssid
*ssid
= NULL
;
1196 selected
= wpa_supplicant_pick_network(wpa_s
, &ssid
);
1200 skip
= !wpa_supplicant_need_to_roam(wpa_s
, selected
, ssid
);
1202 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1206 if (wpa_supplicant_connect(wpa_s
, selected
, ssid
) < 0) {
1207 wpa_dbg(wpa_s
, MSG_DEBUG
, "Connect failed");
1210 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1212 * Do not notify other virtual radios of scan results since we do not
1213 * want them to start other associations at the same time.
1217 wpa_dbg(wpa_s
, MSG_DEBUG
, "No suitable network found");
1218 ssid
= wpa_supplicant_pick_new_network(wpa_s
);
1220 wpa_dbg(wpa_s
, MSG_DEBUG
, "Setup a new network");
1221 wpa_supplicant_associate(wpa_s
, NULL
, ssid
);
1222 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1224 int timeout_sec
= wpa_s
->scan_interval
;
1225 int timeout_usec
= 0;
1227 if (wpas_p2p_scan_no_go_seen(wpa_s
) == 1)
1230 if (wpa_s
->p2p_in_provisioning
) {
1232 * Use shorter wait during P2P Provisioning
1233 * state to speed up group formation.
1236 timeout_usec
= 250000;
1237 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
1241 #endif /* CONFIG_P2P */
1242 #ifdef CONFIG_INTERWORKING
1243 if (wpa_s
->conf
->auto_interworking
&&
1244 wpa_s
->conf
->interworking
&&
1245 wpa_s
->conf
->cred
) {
1246 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interworking: "
1247 "start ANQP fetch since no matching "
1249 wpa_s
->network_select
= 1;
1250 wpa_s
->auto_network_select
= 1;
1251 interworking_start_fetch_anqp(wpa_s
);
1254 #endif /* CONFIG_INTERWORKING */
1255 if (wpa_supplicant_req_sched_scan(wpa_s
))
1256 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
1264 static void wpa_supplicant_event_scan_results(struct wpa_supplicant
*wpa_s
,
1265 union wpa_event_data
*data
)
1267 const char *rn
, *rn2
;
1268 struct wpa_supplicant
*ifs
;
1270 if (_wpa_supplicant_event_scan_results(wpa_s
, data
) != 0) {
1272 * If no scan results could be fetched, then no need to
1273 * notify those interfaces that did not actually request
1274 * this scan. Similarly, if scan results started a new operation on this
1275 * interface, do not notify other interfaces to avoid concurrent
1276 * operations during a connection attempt.
1282 * Check other interfaces to see if they have the same radio-name. If
1283 * so, they get updated with this same scan info.
1285 if (!wpa_s
->driver
->get_radio_name
)
1288 rn
= wpa_s
->driver
->get_radio_name(wpa_s
->drv_priv
);
1289 if (rn
== NULL
|| rn
[0] == '\0')
1292 wpa_dbg(wpa_s
, MSG_DEBUG
, "Checking for other virtual interfaces "
1293 "sharing same radio (%s) in event_scan_results", rn
);
1295 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
1296 if (ifs
== wpa_s
|| !ifs
->driver
->get_radio_name
)
1299 rn2
= ifs
->driver
->get_radio_name(ifs
->drv_priv
);
1300 if (rn2
&& os_strcmp(rn
, rn2
) == 0) {
1301 wpa_printf(MSG_DEBUG
, "%s: Updating scan results from "
1302 "sibling", ifs
->ifname
);
1303 _wpa_supplicant_event_scan_results(ifs
, data
);
1308 #endif /* CONFIG_NO_SCAN_PROCESSING */
1311 int wpa_supplicant_fast_associate(struct wpa_supplicant
*wpa_s
)
1313 #ifdef CONFIG_NO_SCAN_PROCESSING
1315 #else /* CONFIG_NO_SCAN_PROCESSING */
1318 if (wpa_s
->last_scan_res_used
<= 0)
1322 if (now
.sec
- wpa_s
->last_scan
.sec
> 5) {
1323 wpa_printf(MSG_DEBUG
, "Fast associate: Old scan results");
1327 return wpas_select_network_from_last_scan(wpa_s
);
1328 #endif /* CONFIG_NO_SCAN_PROCESSING */
1333 static void wnm_bss_keep_alive(void *eloop_ctx
, void *sock_ctx
)
1335 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1337 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
1340 if (!wpa_s
->no_keep_alive
) {
1341 wpa_printf(MSG_DEBUG
, "WNM: Send keep-alive to AP " MACSTR
,
1342 MAC2STR(wpa_s
->bssid
));
1343 /* TODO: could skip this if normal data traffic has been sent */
1344 /* TODO: Consider using some more appropriate data frame for
1347 l2_packet_send(wpa_s
->l2
, wpa_s
->bssid
, 0x0800,
1352 if (wpa_s
->sme
.bss_max_idle_period
) {
1354 msec
= wpa_s
->sme
.bss_max_idle_period
* 1024; /* times 1000 */
1357 eloop_register_timeout(msec
/ 1000, msec
% 1000 * 1000,
1358 wnm_bss_keep_alive
, wpa_s
, NULL
);
1360 #endif /* CONFIG_SME */
1364 static void wnm_process_assoc_resp(struct wpa_supplicant
*wpa_s
,
1365 const u8
*ies
, size_t ies_len
)
1367 struct ieee802_11_elems elems
;
1372 if (ieee802_11_parse_elems(ies
, ies_len
, &elems
, 1) == ParseFailed
)
1376 if (elems
.bss_max_idle_period
) {
1378 wpa_s
->sme
.bss_max_idle_period
=
1379 WPA_GET_LE16(elems
.bss_max_idle_period
);
1380 wpa_printf(MSG_DEBUG
, "WNM: BSS Max Idle Period: %u (* 1000 "
1381 "TU)%s", wpa_s
->sme
.bss_max_idle_period
,
1382 (elems
.bss_max_idle_period
[2] & 0x01) ?
1383 " (protected keep-live required)" : "");
1384 if (wpa_s
->sme
.bss_max_idle_period
== 0)
1385 wpa_s
->sme
.bss_max_idle_period
= 1;
1386 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) {
1387 eloop_cancel_timeout(wnm_bss_keep_alive
, wpa_s
, NULL
);
1388 /* msec times 1000 */
1389 msec
= wpa_s
->sme
.bss_max_idle_period
* 1024;
1392 eloop_register_timeout(msec
/ 1000, msec
% 1000 * 1000,
1393 wnm_bss_keep_alive
, wpa_s
,
1397 #endif /* CONFIG_SME */
1400 #endif /* CONFIG_WNM */
1403 void wnm_bss_keep_alive_deinit(struct wpa_supplicant
*wpa_s
)
1406 eloop_cancel_timeout(wnm_bss_keep_alive
, wpa_s
, NULL
);
1407 #endif /* CONFIG_WNM */
1411 static int wpa_supplicant_event_associnfo(struct wpa_supplicant
*wpa_s
,
1412 union wpa_event_data
*data
)
1414 int l
, len
, found
= 0, wpa_found
, rsn_found
;
1417 wpa_dbg(wpa_s
, MSG_DEBUG
, "Association info event");
1418 if (data
->assoc_info
.req_ies
)
1419 wpa_hexdump(MSG_DEBUG
, "req_ies", data
->assoc_info
.req_ies
,
1420 data
->assoc_info
.req_ies_len
);
1421 if (data
->assoc_info
.resp_ies
) {
1422 wpa_hexdump(MSG_DEBUG
, "resp_ies", data
->assoc_info
.resp_ies
,
1423 data
->assoc_info
.resp_ies_len
);
1425 wpa_tdls_assoc_resp_ies(wpa_s
->wpa
, data
->assoc_info
.resp_ies
,
1426 data
->assoc_info
.resp_ies_len
);
1427 #endif /* CONFIG_TDLS */
1429 wnm_process_assoc_resp(wpa_s
, data
->assoc_info
.resp_ies
,
1430 data
->assoc_info
.resp_ies_len
);
1431 #endif /* CONFIG_WNM */
1433 if (data
->assoc_info
.beacon_ies
)
1434 wpa_hexdump(MSG_DEBUG
, "beacon_ies",
1435 data
->assoc_info
.beacon_ies
,
1436 data
->assoc_info
.beacon_ies_len
);
1437 if (data
->assoc_info
.freq
)
1438 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq=%u MHz",
1439 data
->assoc_info
.freq
);
1441 p
= data
->assoc_info
.req_ies
;
1442 l
= data
->assoc_info
.req_ies_len
;
1444 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1445 while (p
&& l
>= 2) {
1448 wpa_hexdump(MSG_DEBUG
, "Truncated IE in assoc_info",
1452 if ((p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 6 &&
1453 (os_memcmp(&p
[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1454 (p
[0] == WLAN_EID_RSN
&& p
[1] >= 2)) {
1455 if (wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, p
, len
))
1458 wpa_find_assoc_pmkid(wpa_s
);
1464 if (!found
&& data
->assoc_info
.req_ies
)
1465 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
1467 #ifdef CONFIG_IEEE80211R
1469 if (wpa_s
->sme
.auth_alg
== WPA_AUTH_ALG_FT
) {
1471 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0 ||
1472 wpa_ft_validate_reassoc_resp(wpa_s
->wpa
,
1473 data
->assoc_info
.resp_ies
,
1474 data
->assoc_info
.resp_ies_len
,
1476 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Validation of "
1477 "Reassociation Response failed");
1478 wpa_supplicant_deauthenticate(
1479 wpa_s
, WLAN_REASON_INVALID_IE
);
1484 p
= data
->assoc_info
.resp_ies
;
1485 l
= data
->assoc_info
.resp_ies_len
;
1487 #ifdef CONFIG_WPS_STRICT
1488 if (p
&& wpa_s
->current_ssid
&&
1489 wpa_s
->current_ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
1491 wps
= ieee802_11_vendor_ie_concat(p
, l
, WPS_IE_VENDOR_TYPE
);
1493 wpa_msg(wpa_s
, MSG_INFO
, "WPS-STRICT: AP did not "
1494 "include WPS IE in (Re)Association Response");
1498 if (wps_validate_assoc_resp(wps
) < 0) {
1500 wpa_supplicant_deauthenticate(
1501 wpa_s
, WLAN_REASON_INVALID_IE
);
1506 #endif /* CONFIG_WPS_STRICT */
1508 /* Go through the IEs and make a copy of the MDIE, if present. */
1509 while (p
&& l
>= 2) {
1512 wpa_hexdump(MSG_DEBUG
, "Truncated IE in assoc_info",
1516 if (p
[0] == WLAN_EID_MOBILITY_DOMAIN
&&
1517 p
[1] >= MOBILITY_DOMAIN_ID_LEN
) {
1518 wpa_s
->sme
.ft_used
= 1;
1519 os_memcpy(wpa_s
->sme
.mobility_domain
, p
+ 2,
1520 MOBILITY_DOMAIN_ID_LEN
);
1526 #endif /* CONFIG_SME */
1528 wpa_sm_set_ft_params(wpa_s
->wpa
, data
->assoc_info
.resp_ies
,
1529 data
->assoc_info
.resp_ies_len
);
1530 #endif /* CONFIG_IEEE80211R */
1532 /* WPA/RSN IE from Beacon/ProbeResp */
1533 p
= data
->assoc_info
.beacon_ies
;
1534 l
= data
->assoc_info
.beacon_ies_len
;
1536 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1538 wpa_found
= rsn_found
= 0;
1539 while (p
&& l
>= 2) {
1542 wpa_hexdump(MSG_DEBUG
, "Truncated IE in beacon_ies",
1547 p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 6 &&
1548 os_memcmp(&p
[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1550 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, p
, len
);
1554 p
[0] == WLAN_EID_RSN
&& p
[1] >= 2) {
1556 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, p
, len
);
1563 if (!wpa_found
&& data
->assoc_info
.beacon_ies
)
1564 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, NULL
, 0);
1565 if (!rsn_found
&& data
->assoc_info
.beacon_ies
)
1566 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, NULL
, 0);
1567 if (wpa_found
|| rsn_found
)
1568 wpa_s
->ap_ies_from_associnfo
= 1;
1570 if (wpa_s
->assoc_freq
&& data
->assoc_info
.freq
&&
1571 wpa_s
->assoc_freq
!= data
->assoc_info
.freq
) {
1572 wpa_printf(MSG_DEBUG
, "Operating frequency changed from "
1574 wpa_s
->assoc_freq
, data
->assoc_info
.freq
);
1575 wpa_supplicant_update_scan_results(wpa_s
);
1578 wpa_s
->assoc_freq
= data
->assoc_info
.freq
;
1584 static struct wpa_bss
* wpa_supplicant_get_new_bss(
1585 struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
1587 struct wpa_bss
*bss
= NULL
;
1588 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
1590 if (ssid
->ssid_len
> 0)
1591 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
->ssid
, ssid
->ssid_len
);
1593 bss
= wpa_bss_get_bssid(wpa_s
, bssid
);
1599 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant
*wpa_s
)
1601 const u8
*bss_wpa
= NULL
, *bss_rsn
= NULL
;
1603 if (!wpa_s
->current_bss
|| !wpa_s
->current_ssid
)
1606 if (!wpa_key_mgmt_wpa_any(wpa_s
->current_ssid
->key_mgmt
))
1609 bss_wpa
= wpa_bss_get_vendor_ie(wpa_s
->current_bss
,
1610 WPA_IE_VENDOR_TYPE
);
1611 bss_rsn
= wpa_bss_get_ie(wpa_s
->current_bss
, WLAN_EID_RSN
);
1613 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, bss_wpa
,
1614 bss_wpa
? 2 + bss_wpa
[1] : 0) ||
1615 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, bss_rsn
,
1616 bss_rsn
? 2 + bss_rsn
[1] : 0))
1623 static void wpa_supplicant_event_assoc(struct wpa_supplicant
*wpa_s
,
1624 union wpa_event_data
*data
)
1628 struct wpa_driver_capa capa
;
1631 if (wpa_s
->ap_iface
) {
1632 hostapd_notif_assoc(wpa_s
->ap_iface
->bss
[0],
1633 data
->assoc_info
.addr
,
1634 data
->assoc_info
.req_ies
,
1635 data
->assoc_info
.req_ies_len
,
1636 data
->assoc_info
.reassoc
);
1639 #endif /* CONFIG_AP */
1641 ft_completed
= wpa_ft_is_completed(wpa_s
->wpa
);
1642 if (data
&& wpa_supplicant_event_associnfo(wpa_s
, data
) < 0)
1645 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0) {
1646 wpa_dbg(wpa_s
, MSG_ERROR
, "Failed to get BSSID");
1647 wpa_supplicant_deauthenticate(
1648 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1652 wpa_supplicant_set_state(wpa_s
, WPA_ASSOCIATED
);
1653 if (os_memcmp(bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0) {
1654 wpa_dbg(wpa_s
, MSG_DEBUG
, "Associated to a new BSS: BSSID="
1655 MACSTR
, MAC2STR(bssid
));
1656 random_add_randomness(bssid
, ETH_ALEN
);
1657 os_memcpy(wpa_s
->bssid
, bssid
, ETH_ALEN
);
1658 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
1659 wpas_notify_bssid_changed(wpa_s
);
1661 if (wpa_supplicant_dynamic_keys(wpa_s
) && !ft_completed
) {
1662 wpa_clear_keys(wpa_s
, bssid
);
1664 if (wpa_supplicant_select_config(wpa_s
) < 0) {
1665 wpa_supplicant_deauthenticate(
1666 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1669 if (wpa_s
->current_ssid
) {
1670 struct wpa_bss
*bss
= NULL
;
1672 bss
= wpa_supplicant_get_new_bss(wpa_s
, bssid
);
1674 wpa_supplicant_update_scan_results(wpa_s
);
1676 /* Get the BSS from the new scan results */
1677 bss
= wpa_supplicant_get_new_bss(wpa_s
, bssid
);
1681 wpa_s
->current_bss
= bss
;
1684 if (wpa_s
->conf
->ap_scan
== 1 &&
1685 wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_BSS_SELECTION
) {
1686 if (wpa_supplicant_assoc_update_ie(wpa_s
) < 0)
1687 wpa_msg(wpa_s
, MSG_WARNING
,
1688 "WPA/RSN IEs not updated");
1693 os_memcpy(wpa_s
->sme
.prev_bssid
, bssid
, ETH_ALEN
);
1694 wpa_s
->sme
.prev_bssid_set
= 1;
1695 #endif /* CONFIG_SME */
1697 wpa_msg(wpa_s
, MSG_INFO
, "Associated with " MACSTR
, MAC2STR(bssid
));
1698 if (wpa_s
->current_ssid
) {
1699 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1700 * initialized before association, but for other modes,
1701 * initialize PC/SC here, if the current configuration needs
1702 * smartcard or SIM/USIM. */
1703 wpa_supplicant_scard_init(wpa_s
, wpa_s
->current_ssid
);
1705 wpa_sm_notify_assoc(wpa_s
->wpa
, bssid
);
1707 l2_packet_notify_auth_start(wpa_s
->l2
);
1710 * Set portEnabled first to FALSE in order to get EAP state machine out
1711 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1712 * state machine may transit to AUTHENTICATING state based on obsolete
1713 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1714 * AUTHENTICATED without ever giving chance to EAP state machine to
1717 if (!ft_completed
) {
1718 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
1719 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
1721 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) || ft_completed
)
1722 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
1723 /* 802.1X::portControl = Auto */
1724 eapol_sm_notify_portEnabled(wpa_s
->eapol
, TRUE
);
1725 wpa_s
->eapol_received
= 0;
1726 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
1727 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
||
1728 (wpa_s
->current_ssid
&&
1729 wpa_s
->current_ssid
->mode
== IEEE80211_MODE_IBSS
)) {
1730 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1731 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1732 } else if (!ft_completed
) {
1733 /* Timeout for receiving the first EAPOL packet */
1734 wpa_supplicant_req_auth_timeout(wpa_s
, 10, 0);
1736 wpa_supplicant_cancel_scan(wpa_s
);
1738 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
1739 wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
)) {
1741 * We are done; the driver will take care of RSN 4-way
1744 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1745 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1746 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
1747 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
1748 } else if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
1749 wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
1751 * The driver will take care of RSN 4-way handshake, so we need
1752 * to allow EAPOL supplicant to complete its work without
1753 * waiting for WPA supplicant.
1755 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
1756 } else if (ft_completed
) {
1758 * FT protocol completed - make sure EAPOL state machine ends
1759 * up in authenticated.
1761 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1762 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1763 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
1764 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
1767 wpa_s
->last_eapol_matches_bssid
= 0;
1769 if (wpa_s
->pending_eapol_rx
) {
1770 struct os_time now
, age
;
1772 os_time_sub(&now
, &wpa_s
->pending_eapol_rx_time
, &age
);
1773 if (age
.sec
== 0 && age
.usec
< 100000 &&
1774 os_memcmp(wpa_s
->pending_eapol_rx_src
, bssid
, ETH_ALEN
) ==
1776 wpa_dbg(wpa_s
, MSG_DEBUG
, "Process pending EAPOL "
1777 "frame that was received just before "
1778 "association notification");
1779 wpa_supplicant_rx_eapol(
1780 wpa_s
, wpa_s
->pending_eapol_rx_src
,
1781 wpabuf_head(wpa_s
->pending_eapol_rx
),
1782 wpabuf_len(wpa_s
->pending_eapol_rx
));
1784 wpabuf_free(wpa_s
->pending_eapol_rx
);
1785 wpa_s
->pending_eapol_rx
= NULL
;
1788 if ((wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
1789 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) &&
1790 wpa_s
->current_ssid
&& wpa_drv_get_capa(wpa_s
, &capa
) == 0 &&
1791 capa
.flags
& WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE
) {
1792 /* Set static WEP keys again */
1793 wpa_set_wep_keys(wpa_s
, wpa_s
->current_ssid
);
1796 #ifdef CONFIG_IBSS_RSN
1797 if (wpa_s
->current_ssid
&&
1798 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
&&
1799 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
1800 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
&&
1801 wpa_s
->ibss_rsn
== NULL
) {
1802 wpa_s
->ibss_rsn
= ibss_rsn_init(wpa_s
);
1803 if (!wpa_s
->ibss_rsn
) {
1804 wpa_msg(wpa_s
, MSG_INFO
, "Failed to init IBSS RSN");
1805 wpa_supplicant_deauthenticate(
1806 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1810 ibss_rsn_set_psk(wpa_s
->ibss_rsn
, wpa_s
->current_ssid
->psk
);
1812 #endif /* CONFIG_IBSS_RSN */
1814 wpas_wps_notify_assoc(wpa_s
, bssid
);
1818 static int disconnect_reason_recoverable(u16 reason_code
)
1820 return reason_code
== WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY
||
1821 reason_code
== WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA
||
1822 reason_code
== WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA
;
1826 static void wpa_supplicant_event_disassoc(struct wpa_supplicant
*wpa_s
,
1828 int locally_generated
)
1832 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
1834 * At least Host AP driver and a Prism3 card seemed to be
1835 * generating streams of disconnected events when configuring
1836 * IBSS for WPA-None. Ignore them for now.
1841 bssid
= wpa_s
->bssid
;
1842 if (is_zero_ether_addr(bssid
))
1843 bssid
= wpa_s
->pending_bssid
;
1845 if (!is_zero_ether_addr(bssid
) ||
1846 wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
1847 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_DISCONNECTED
"bssid=" MACSTR
1849 MAC2STR(bssid
), reason_code
,
1850 locally_generated
? " locally_generated=1" : "");
1855 static int could_be_psk_mismatch(struct wpa_supplicant
*wpa_s
, u16 reason_code
,
1856 int locally_generated
)
1858 if (wpa_s
->wpa_state
!= WPA_4WAY_HANDSHAKE
||
1859 !wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
))
1860 return 0; /* Not in 4-way handshake with PSK */
1863 * It looks like connection was lost while trying to go through PSK
1864 * 4-way handshake. Filter out known disconnection cases that are caused
1865 * by something else than PSK mismatch to avoid confusing reports.
1868 if (locally_generated
) {
1869 if (reason_code
== WLAN_REASON_IE_IN_4WAY_DIFFERS
)
1877 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant
*wpa_s
,
1879 int locally_generated
)
1883 u8 prev_pending_bssid
[ETH_ALEN
];
1884 struct wpa_bss
*fast_reconnect
= NULL
;
1885 struct wpa_ssid
*fast_reconnect_ssid
= NULL
;
1886 struct wpa_ssid
*last_ssid
;
1888 authenticating
= wpa_s
->wpa_state
== WPA_AUTHENTICATING
;
1889 os_memcpy(prev_pending_bssid
, wpa_s
->pending_bssid
, ETH_ALEN
);
1891 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
1893 * At least Host AP driver and a Prism3 card seemed to be
1894 * generating streams of disconnected events when configuring
1895 * IBSS for WPA-None. Ignore them for now.
1897 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disconnect event - ignore in "
1898 "IBSS/WPA-None mode");
1902 if (could_be_psk_mismatch(wpa_s
, reason_code
, locally_generated
)) {
1903 wpa_msg(wpa_s
, MSG_INFO
, "WPA: 4-Way Handshake failed - "
1904 "pre-shared key may be incorrect");
1905 wpas_auth_failed(wpa_s
);
1907 if (!wpa_s
->auto_reconnect_disabled
||
1908 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
1909 wpa_dbg(wpa_s
, MSG_DEBUG
, "Auto connect enabled: try to "
1910 "reconnect (wps=%d wpa_state=%d)",
1911 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
,
1913 if (wpa_s
->wpa_state
== WPA_COMPLETED
&&
1914 wpa_s
->current_ssid
&&
1915 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
1916 !locally_generated
&&
1917 disconnect_reason_recoverable(reason_code
)) {
1919 * It looks like the AP has dropped association with
1920 * us, but could allow us to get back in. Try to
1921 * reconnect to the same BSS without full scan to save
1922 * time for some common cases.
1924 fast_reconnect
= wpa_s
->current_bss
;
1925 fast_reconnect_ssid
= wpa_s
->current_ssid
;
1926 } else if (wpa_s
->wpa_state
>= WPA_ASSOCIATING
)
1927 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
1929 wpa_dbg(wpa_s
, MSG_DEBUG
, "Do not request new "
1932 wpa_dbg(wpa_s
, MSG_DEBUG
, "Auto connect disabled: do not "
1933 "try to re-connect");
1934 wpa_s
->reassociate
= 0;
1935 wpa_s
->disconnected
= 1;
1936 wpa_supplicant_cancel_sched_scan(wpa_s
);
1938 bssid
= wpa_s
->bssid
;
1939 if (is_zero_ether_addr(bssid
))
1940 bssid
= wpa_s
->pending_bssid
;
1941 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
1942 wpas_connection_failed(wpa_s
, bssid
);
1943 wpa_sm_notify_disassoc(wpa_s
->wpa
);
1944 if (locally_generated
)
1945 wpa_s
->disconnect_reason
= -reason_code
;
1947 wpa_s
->disconnect_reason
= reason_code
;
1948 wpas_notify_disconnect_reason(wpa_s
);
1949 if (wpa_supplicant_dynamic_keys(wpa_s
)) {
1950 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disconnect event - remove keys");
1951 wpa_s
->keys_cleared
= 0;
1952 wpa_clear_keys(wpa_s
, wpa_s
->bssid
);
1954 last_ssid
= wpa_s
->current_ssid
;
1955 wpa_supplicant_mark_disassoc(wpa_s
);
1957 if (authenticating
&& (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)) {
1958 sme_disassoc_while_authenticating(wpa_s
, prev_pending_bssid
);
1959 wpa_s
->current_ssid
= last_ssid
;
1962 if (fast_reconnect
) {
1963 #ifndef CONFIG_NO_SCAN_PROCESSING
1964 wpa_dbg(wpa_s
, MSG_DEBUG
, "Try to reconnect to the same BSS");
1965 if (wpa_supplicant_connect(wpa_s
, fast_reconnect
,
1966 fast_reconnect_ssid
) < 0) {
1967 /* Recover through full scan */
1968 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
1970 #endif /* CONFIG_NO_SCAN_PROCESSING */
1975 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
1976 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx
, void *sock_ctx
)
1978 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1980 if (!wpa_s
->pending_mic_error_report
)
1983 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Sending pending MIC error report");
1984 wpa_sm_key_request(wpa_s
->wpa
, 1, wpa_s
->pending_mic_error_pairwise
);
1985 wpa_s
->pending_mic_error_report
= 0;
1987 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
1991 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant
*wpa_s
,
1992 union wpa_event_data
*data
)
1997 wpa_msg(wpa_s
, MSG_WARNING
, "Michael MIC failure detected");
1998 pairwise
= (data
&& data
->michael_mic_failure
.unicast
);
2000 if ((wpa_s
->last_michael_mic_error
&&
2001 t
.sec
- wpa_s
->last_michael_mic_error
<= 60) ||
2002 wpa_s
->pending_mic_error_report
) {
2003 if (wpa_s
->pending_mic_error_report
) {
2005 * Send the pending MIC error report immediately since
2006 * we are going to start countermeasures and AP better
2009 wpa_sm_key_request(wpa_s
->wpa
, 1,
2010 wpa_s
->pending_mic_error_pairwise
);
2013 /* Send the new MIC error report immediately since we are going
2014 * to start countermeasures and AP better do the same.
2016 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
2018 /* initialize countermeasures */
2019 wpa_s
->countermeasures
= 1;
2021 wpa_blacklist_add(wpa_s
, wpa_s
->bssid
);
2023 wpa_msg(wpa_s
, MSG_WARNING
, "TKIP countermeasures started");
2026 * Need to wait for completion of request frame. We do not get
2027 * any callback for the message completion, so just wait a
2028 * short while and hope for the best. */
2031 wpa_drv_set_countermeasures(wpa_s
, 1);
2032 wpa_supplicant_deauthenticate(wpa_s
,
2033 WLAN_REASON_MICHAEL_MIC_FAILURE
);
2034 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures
,
2036 eloop_register_timeout(60, 0,
2037 wpa_supplicant_stop_countermeasures
,
2039 /* TODO: mark the AP rejected for 60 second. STA is
2040 * allowed to associate with another AP.. */
2042 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2043 if (wpa_s
->mic_errors_seen
) {
2045 * Reduce the effectiveness of Michael MIC error
2046 * reports as a means for attacking against TKIP if
2047 * more than one MIC failure is noticed with the same
2048 * PTK. We delay the transmission of the reports by a
2049 * random time between 0 and 60 seconds in order to
2050 * force the attacker wait 60 seconds before getting
2051 * the information on whether a frame resulted in a MIC
2057 if (os_get_random(rval
, sizeof(rval
)) < 0)
2058 sec
= os_random() % 60;
2060 sec
= WPA_GET_BE32(rval
) % 60;
2061 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Delay MIC error "
2062 "report %d seconds", sec
);
2063 wpa_s
->pending_mic_error_report
= 1;
2064 wpa_s
->pending_mic_error_pairwise
= pairwise
;
2065 eloop_cancel_timeout(
2066 wpa_supplicant_delayed_mic_error_report
,
2068 eloop_register_timeout(
2069 sec
, os_random() % 1000000,
2070 wpa_supplicant_delayed_mic_error_report
,
2073 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
2075 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2076 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
2077 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2079 wpa_s
->last_michael_mic_error
= t
.sec
;
2080 wpa_s
->mic_errors_seen
++;
2084 #ifdef CONFIG_TERMINATE_ONLASTIF
2085 static int any_interfaces(struct wpa_supplicant
*head
)
2087 struct wpa_supplicant
*wpa_s
;
2089 for (wpa_s
= head
; wpa_s
!= NULL
; wpa_s
= wpa_s
->next
)
2090 if (!wpa_s
->interface_removed
)
2094 #endif /* CONFIG_TERMINATE_ONLASTIF */
2098 wpa_supplicant_event_interface_status(struct wpa_supplicant
*wpa_s
,
2099 union wpa_event_data
*data
)
2101 if (os_strcmp(wpa_s
->ifname
, data
->interface_status
.ifname
) != 0)
2104 switch (data
->interface_status
.ievent
) {
2105 case EVENT_INTERFACE_ADDED
:
2106 if (!wpa_s
->interface_removed
)
2108 wpa_s
->interface_removed
= 0;
2109 wpa_dbg(wpa_s
, MSG_DEBUG
, "Configured interface was added");
2110 if (wpa_supplicant_driver_init(wpa_s
) < 0) {
2111 wpa_msg(wpa_s
, MSG_INFO
, "Failed to initialize the "
2112 "driver after interface was added");
2114 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
2116 case EVENT_INTERFACE_REMOVED
:
2117 wpa_dbg(wpa_s
, MSG_DEBUG
, "Configured interface was removed");
2118 wpa_s
->interface_removed
= 1;
2119 wpa_supplicant_mark_disassoc(wpa_s
);
2120 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
2121 l2_packet_deinit(wpa_s
->l2
);
2123 #ifdef CONFIG_IBSS_RSN
2124 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
2125 wpa_s
->ibss_rsn
= NULL
;
2126 #endif /* CONFIG_IBSS_RSN */
2127 #ifdef CONFIG_TERMINATE_ONLASTIF
2128 /* check if last interface */
2129 if (!any_interfaces(wpa_s
->global
->ifaces
))
2131 #endif /* CONFIG_TERMINATE_ONLASTIF */
2137 #ifdef CONFIG_PEERKEY
2139 wpa_supplicant_event_stkstart(struct wpa_supplicant
*wpa_s
,
2140 union wpa_event_data
*data
)
2144 wpa_sm_stkstart(wpa_s
->wpa
, data
->stkstart
.peer
);
2146 #endif /* CONFIG_PEERKEY */
2150 static void wpa_supplicant_event_tdls(struct wpa_supplicant
*wpa_s
,
2151 union wpa_event_data
*data
)
2155 switch (data
->tdls
.oper
) {
2156 case TDLS_REQUEST_SETUP
:
2157 wpa_tdls_start(wpa_s
->wpa
, data
->tdls
.peer
);
2159 case TDLS_REQUEST_TEARDOWN
:
2160 wpa_tdls_teardown_link(wpa_s
->wpa
, data
->tdls
.peer
,
2161 data
->tdls
.reason_code
);
2165 #endif /* CONFIG_TDLS */
2169 static void wpa_supplicant_event_wnm(struct wpa_supplicant
*wpa_s
,
2170 union wpa_event_data
*data
)
2174 switch (data
->wnm
.oper
) {
2175 case WNM_OPER_SLEEP
:
2176 wpa_printf(MSG_DEBUG
, "Start sending WNM-Sleep Request "
2177 "(action=%d, intval=%d)",
2178 data
->wnm
.sleep_action
, data
->wnm
.sleep_intval
);
2179 ieee802_11_send_wnmsleep_req(wpa_s
, data
->wnm
.sleep_action
,
2180 data
->wnm
.sleep_intval
, NULL
);
2184 #endif /* CONFIG_WNM */
2187 #ifdef CONFIG_IEEE80211R
2189 wpa_supplicant_event_ft_response(struct wpa_supplicant
*wpa_s
,
2190 union wpa_event_data
*data
)
2195 if (wpa_ft_process_response(wpa_s
->wpa
, data
->ft_ies
.ies
,
2196 data
->ft_ies
.ies_len
,
2197 data
->ft_ies
.ft_action
,
2198 data
->ft_ies
.target_ap
,
2199 data
->ft_ies
.ric_ies
,
2200 data
->ft_ies
.ric_ies_len
) < 0) {
2201 /* TODO: prevent MLME/driver from trying to associate? */
2204 #endif /* CONFIG_IEEE80211R */
2207 #ifdef CONFIG_IBSS_RSN
2208 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant
*wpa_s
,
2209 union wpa_event_data
*data
)
2211 struct wpa_ssid
*ssid
;
2212 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
2216 ssid
= wpa_s
->current_ssid
;
2219 if (ssid
->mode
!= WPAS_MODE_IBSS
|| !wpa_key_mgmt_wpa(ssid
->key_mgmt
))
2222 ibss_rsn_start(wpa_s
->ibss_rsn
, data
->ibss_rsn_start
.peer
);
2224 #endif /* CONFIG_IBSS_RSN */
2227 #ifdef CONFIG_IEEE80211R
2228 static void ft_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*data
,
2231 const u8
*sta_addr
, *target_ap_addr
;
2234 wpa_hexdump(MSG_MSGDUMP
, "FT: RX Action", data
, len
);
2235 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
))
2236 return; /* only SME case supported for now */
2237 if (len
< 1 + 2 * ETH_ALEN
+ 2)
2240 return; /* Only FT Action Response is supported for now */
2241 sta_addr
= data
+ 1;
2242 target_ap_addr
= data
+ 1 + ETH_ALEN
;
2243 status
= WPA_GET_LE16(data
+ 1 + 2 * ETH_ALEN
);
2244 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Received FT Action Response: STA "
2245 MACSTR
" TargetAP " MACSTR
" status %u",
2246 MAC2STR(sta_addr
), MAC2STR(target_ap_addr
), status
);
2248 if (os_memcmp(sta_addr
, wpa_s
->own_addr
, ETH_ALEN
) != 0) {
2249 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Foreign STA Address " MACSTR
2250 " in FT Action Response", MAC2STR(sta_addr
));
2255 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: FT Action Response indicates "
2256 "failure (status code %d)", status
);
2257 /* TODO: report error to FT code(?) */
2261 if (wpa_ft_process_response(wpa_s
->wpa
, data
+ 1 + 2 * ETH_ALEN
+ 2,
2262 len
- (1 + 2 * ETH_ALEN
+ 2), 1,
2263 target_ap_addr
, NULL
, 0) < 0)
2268 struct wpa_bss
*bss
;
2269 bss
= wpa_bss_get_bssid(wpa_s
, target_ap_addr
);
2271 wpa_s
->sme
.freq
= bss
->freq
;
2272 wpa_s
->sme
.auth_alg
= WPA_AUTH_ALG_FT
;
2273 sme_associate(wpa_s
, WPAS_MODE_INFRA
, target_ap_addr
,
2276 #endif /* CONFIG_SME */
2278 #endif /* CONFIG_IEEE80211R */
2281 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant
*wpa_s
,
2282 struct unprot_deauth
*e
)
2284 #ifdef CONFIG_IEEE80211W
2285 wpa_printf(MSG_DEBUG
, "Unprotected Deauthentication frame "
2286 "dropped: " MACSTR
" -> " MACSTR
2287 " (reason code %u)",
2288 MAC2STR(e
->sa
), MAC2STR(e
->da
), e
->reason_code
);
2289 sme_event_unprot_disconnect(wpa_s
, e
->sa
, e
->da
, e
->reason_code
);
2290 #endif /* CONFIG_IEEE80211W */
2294 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant
*wpa_s
,
2295 struct unprot_disassoc
*e
)
2297 #ifdef CONFIG_IEEE80211W
2298 wpa_printf(MSG_DEBUG
, "Unprotected Disassociation frame "
2299 "dropped: " MACSTR
" -> " MACSTR
2300 " (reason code %u)",
2301 MAC2STR(e
->sa
), MAC2STR(e
->da
), e
->reason_code
);
2302 sme_event_unprot_disconnect(wpa_s
, e
->sa
, e
->da
, e
->reason_code
);
2303 #endif /* CONFIG_IEEE80211W */
2307 void wpa_supplicant_event(void *ctx
, enum wpa_event_type event
,
2308 union wpa_event_data
*data
)
2310 struct wpa_supplicant
*wpa_s
= ctx
;
2311 u16 reason_code
= 0;
2312 int locally_generated
= 0;
2314 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
&&
2315 event
!= EVENT_INTERFACE_ENABLED
&&
2316 event
!= EVENT_INTERFACE_STATUS
&&
2317 event
!= EVENT_SCHED_SCAN_STOPPED
) {
2318 wpa_dbg(wpa_s
, MSG_DEBUG
,
2319 "Ignore event %s (%d) while interface is disabled",
2320 event_to_string(event
), event
);
2324 #ifndef CONFIG_NO_STDOUT_DEBUG
2326 int level
= MSG_DEBUG
;
2328 if (event
== EVENT_RX_MGMT
&& data
->rx_mgmt
.frame_len
>= 24) {
2329 const struct ieee80211_hdr
*hdr
;
2331 hdr
= (const struct ieee80211_hdr
*) data
->rx_mgmt
.frame
;
2332 fc
= le_to_host16(hdr
->frame_control
);
2333 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
2334 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_BEACON
)
2335 level
= MSG_EXCESSIVE
;
2338 wpa_dbg(wpa_s
, level
, "Event %s (%d) received",
2339 event_to_string(event
), event
);
2341 #endif /* CONFIG_NO_STDOUT_DEBUG */
2345 sme_event_auth(wpa_s
, data
);
2348 wpa_supplicant_event_assoc(wpa_s
, data
);
2350 case EVENT_DISASSOC
:
2351 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disassociation notification");
2353 wpa_dbg(wpa_s
, MSG_DEBUG
, " * reason %u%s",
2354 data
->disassoc_info
.reason_code
,
2355 data
->disassoc_info
.locally_generated
?
2356 " (locally generated)" : "");
2357 if (data
->disassoc_info
.addr
)
2358 wpa_dbg(wpa_s
, MSG_DEBUG
, " * address " MACSTR
,
2359 MAC2STR(data
->disassoc_info
.addr
));
2362 if (wpa_s
->ap_iface
&& data
&& data
->disassoc_info
.addr
) {
2363 hostapd_notif_disassoc(wpa_s
->ap_iface
->bss
[0],
2364 data
->disassoc_info
.addr
);
2367 if (wpa_s
->ap_iface
) {
2368 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore disassoc event in "
2372 #endif /* CONFIG_AP */
2374 reason_code
= data
->disassoc_info
.reason_code
;
2376 data
->disassoc_info
.locally_generated
;
2377 wpa_hexdump(MSG_DEBUG
, "Disassociation frame IE(s)",
2378 data
->disassoc_info
.ie
,
2379 data
->disassoc_info
.ie_len
);
2381 wpas_p2p_disassoc_notif(
2382 wpa_s
, data
->disassoc_info
.addr
, reason_code
,
2383 data
->disassoc_info
.ie
,
2384 data
->disassoc_info
.ie_len
,
2386 #endif /* CONFIG_P2P */
2388 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
2389 sme_event_disassoc(wpa_s
, data
);
2392 if (event
== EVENT_DEAUTH
) {
2393 wpa_dbg(wpa_s
, MSG_DEBUG
,
2394 "Deauthentication notification");
2396 reason_code
= data
->deauth_info
.reason_code
;
2398 data
->deauth_info
.locally_generated
;
2399 wpa_dbg(wpa_s
, MSG_DEBUG
, " * reason %u%s",
2400 data
->deauth_info
.reason_code
,
2401 data
->deauth_info
.locally_generated
?
2402 " (locally generated)" : "");
2403 if (data
->deauth_info
.addr
) {
2404 wpa_dbg(wpa_s
, MSG_DEBUG
, " * address "
2406 MAC2STR(data
->deauth_info
.
2409 wpa_hexdump(MSG_DEBUG
,
2410 "Deauthentication frame IE(s)",
2411 data
->deauth_info
.ie
,
2412 data
->deauth_info
.ie_len
);
2416 if (wpa_s
->ap_iface
&& data
&& data
->deauth_info
.addr
) {
2417 hostapd_notif_disassoc(wpa_s
->ap_iface
->bss
[0],
2418 data
->deauth_info
.addr
);
2421 if (wpa_s
->ap_iface
) {
2422 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore deauth event in "
2426 #endif /* CONFIG_AP */
2427 wpa_supplicant_event_disassoc(wpa_s
, reason_code
,
2429 if (reason_code
== WLAN_REASON_IEEE_802_1X_AUTH_FAILED
||
2430 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) ||
2431 (wpa_s
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) &&
2432 eapol_sm_failed(wpa_s
->eapol
)))
2433 wpas_auth_failed(wpa_s
);
2435 if (event
== EVENT_DEAUTH
&& data
) {
2436 if (wpas_p2p_deauth_notif(wpa_s
,
2437 data
->deauth_info
.addr
,
2439 data
->deauth_info
.ie
,
2440 data
->deauth_info
.ie_len
,
2441 locally_generated
) > 0) {
2443 * The interface was removed, so cannot
2444 * continue processing any additional
2445 * operations after this.
2450 #endif /* CONFIG_P2P */
2451 wpa_supplicant_event_disassoc_finish(wpa_s
, reason_code
,
2454 case EVENT_MICHAEL_MIC_FAILURE
:
2455 wpa_supplicant_event_michael_mic_failure(wpa_s
, data
);
2457 #ifndef CONFIG_NO_SCAN_PROCESSING
2458 case EVENT_SCAN_RESULTS
:
2459 wpa_supplicant_event_scan_results(wpa_s
, data
);
2461 if (wpa_s
->global
->p2p_cb_on_scan_complete
&& !wpa_s
->global
->p2p_disabled
&&
2462 wpa_s
->global
->p2p
!= NULL
&&
2463 wpa_s
->wpa_state
!= WPA_AUTHENTICATING
&&
2464 wpa_s
->wpa_state
!= WPA_ASSOCIATING
) {
2465 wpa_s
->global
->p2p_cb_on_scan_complete
= 0;
2466 if (p2p_other_scan_completed(wpa_s
->global
->p2p
) == 1) {
2467 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Pending P2P operation "
2468 "continued after scan result processing");
2471 #endif /* CONFIG_P2P */
2473 #endif /* CONFIG_NO_SCAN_PROCESSING */
2474 case EVENT_ASSOCINFO
:
2475 wpa_supplicant_event_associnfo(wpa_s
, data
);
2477 case EVENT_INTERFACE_STATUS
:
2478 wpa_supplicant_event_interface_status(wpa_s
, data
);
2480 case EVENT_PMKID_CANDIDATE
:
2481 wpa_supplicant_event_pmkid_candidate(wpa_s
, data
);
2483 #ifdef CONFIG_PEERKEY
2484 case EVENT_STKSTART
:
2485 wpa_supplicant_event_stkstart(wpa_s
, data
);
2487 #endif /* CONFIG_PEERKEY */
2490 wpa_supplicant_event_tdls(wpa_s
, data
);
2492 #endif /* CONFIG_TDLS */
2495 wpa_supplicant_event_wnm(wpa_s
, data
);
2497 #endif /* CONFIG_WNM */
2498 #ifdef CONFIG_IEEE80211R
2499 case EVENT_FT_RESPONSE
:
2500 wpa_supplicant_event_ft_response(wpa_s
, data
);
2502 #endif /* CONFIG_IEEE80211R */
2503 #ifdef CONFIG_IBSS_RSN
2504 case EVENT_IBSS_RSN_START
:
2505 wpa_supplicant_event_ibss_rsn_start(wpa_s
, data
);
2507 #endif /* CONFIG_IBSS_RSN */
2508 case EVENT_ASSOC_REJECT
:
2509 if (data
->assoc_reject
.bssid
)
2510 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_ASSOC_REJECT
2511 "bssid=" MACSTR
" status_code=%u",
2512 MAC2STR(data
->assoc_reject
.bssid
),
2513 data
->assoc_reject
.status_code
);
2515 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_ASSOC_REJECT
2517 data
->assoc_reject
.status_code
);
2518 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
2519 sme_event_assoc_reject(wpa_s
, data
);
2521 const u8
*bssid
= data
->assoc_reject
.bssid
;
2522 if (bssid
== NULL
|| is_zero_ether_addr(bssid
))
2523 bssid
= wpa_s
->pending_bssid
;
2524 wpas_connection_failed(wpa_s
, bssid
);
2525 wpa_supplicant_mark_disassoc(wpa_s
);
2528 case EVENT_AUTH_TIMED_OUT
:
2529 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
2530 sme_event_auth_timed_out(wpa_s
, data
);
2532 case EVENT_ASSOC_TIMED_OUT
:
2533 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
2534 sme_event_assoc_timed_out(wpa_s
, data
);
2536 case EVENT_TX_STATUS
:
2537 wpa_dbg(wpa_s
, MSG_DEBUG
, "EVENT_TX_STATUS dst=" MACSTR
2538 " type=%d stype=%d",
2539 MAC2STR(data
->tx_status
.dst
),
2540 data
->tx_status
.type
, data
->tx_status
.stype
);
2542 if (wpa_s
->ap_iface
== NULL
) {
2543 #ifdef CONFIG_OFFCHANNEL
2544 if (data
->tx_status
.type
== WLAN_FC_TYPE_MGMT
&&
2545 data
->tx_status
.stype
== WLAN_FC_STYPE_ACTION
)
2546 offchannel_send_action_tx_status(
2547 wpa_s
, data
->tx_status
.dst
,
2548 data
->tx_status
.data
,
2549 data
->tx_status
.data_len
,
2550 data
->tx_status
.ack
?
2551 OFFCHANNEL_SEND_ACTION_SUCCESS
:
2552 OFFCHANNEL_SEND_ACTION_NO_ACK
);
2553 #endif /* CONFIG_OFFCHANNEL */
2556 #endif /* CONFIG_AP */
2557 #ifdef CONFIG_OFFCHANNEL
2558 wpa_dbg(wpa_s
, MSG_DEBUG
, "EVENT_TX_STATUS pending_dst="
2559 MACSTR
, MAC2STR(wpa_s
->parent
->pending_action_dst
));
2561 * Catch TX status events for Action frames we sent via group
2562 * interface in GO mode.
2564 if (data
->tx_status
.type
== WLAN_FC_TYPE_MGMT
&&
2565 data
->tx_status
.stype
== WLAN_FC_STYPE_ACTION
&&
2566 os_memcmp(wpa_s
->parent
->pending_action_dst
,
2567 data
->tx_status
.dst
, ETH_ALEN
) == 0) {
2568 offchannel_send_action_tx_status(
2569 wpa_s
->parent
, data
->tx_status
.dst
,
2570 data
->tx_status
.data
,
2571 data
->tx_status
.data_len
,
2572 data
->tx_status
.ack
?
2573 OFFCHANNEL_SEND_ACTION_SUCCESS
:
2574 OFFCHANNEL_SEND_ACTION_NO_ACK
);
2577 #endif /* CONFIG_OFFCHANNEL */
2579 switch (data
->tx_status
.type
) {
2580 case WLAN_FC_TYPE_MGMT
:
2581 ap_mgmt_tx_cb(wpa_s
, data
->tx_status
.data
,
2582 data
->tx_status
.data_len
,
2583 data
->tx_status
.stype
,
2584 data
->tx_status
.ack
);
2586 case WLAN_FC_TYPE_DATA
:
2587 ap_tx_status(wpa_s
, data
->tx_status
.dst
,
2588 data
->tx_status
.data
,
2589 data
->tx_status
.data_len
,
2590 data
->tx_status
.ack
);
2593 #endif /* CONFIG_AP */
2596 case EVENT_EAPOL_TX_STATUS
:
2597 ap_eapol_tx_status(wpa_s
, data
->eapol_tx_status
.dst
,
2598 data
->eapol_tx_status
.data
,
2599 data
->eapol_tx_status
.data_len
,
2600 data
->eapol_tx_status
.ack
);
2602 case EVENT_DRIVER_CLIENT_POLL_OK
:
2603 ap_client_poll_ok(wpa_s
, data
->client_poll
.addr
);
2605 case EVENT_RX_FROM_UNKNOWN
:
2606 if (wpa_s
->ap_iface
== NULL
)
2608 ap_rx_from_unknown_sta(wpa_s
, data
->rx_from_unknown
.addr
,
2609 data
->rx_from_unknown
.wds
);
2611 case EVENT_CH_SWITCH
:
2614 if (!wpa_s
->ap_iface
) {
2615 wpa_dbg(wpa_s
, MSG_DEBUG
, "AP: Ignore channel switch "
2616 "event in non-AP mode");
2621 wpas_ap_ch_switch(wpa_s
, data
->ch_switch
.freq
,
2622 data
->ch_switch
.ht_enabled
,
2623 data
->ch_switch
.ch_offset
);
2624 #endif /* CONFIG_AP */
2626 case EVENT_RX_MGMT
: {
2628 const struct ieee80211_mgmt
*mgmt
;
2630 mgmt
= (const struct ieee80211_mgmt
*)
2631 data
->rx_mgmt
.frame
;
2632 fc
= le_to_host16(mgmt
->frame_control
);
2633 stype
= WLAN_FC_GET_STYPE(fc
);
2635 if (wpa_s
->ap_iface
== NULL
) {
2637 if (stype
== WLAN_FC_STYPE_PROBE_REQ
&&
2638 data
->rx_mgmt
.frame_len
> 24) {
2639 const u8
*src
= mgmt
->sa
;
2640 const u8
*ie
= mgmt
->u
.probe_req
.variable
;
2641 size_t ie_len
= data
->rx_mgmt
.frame_len
-
2642 (mgmt
->u
.probe_req
.variable
-
2643 data
->rx_mgmt
.frame
);
2644 wpas_p2p_probe_req_rx(
2645 wpa_s
, src
, mgmt
->da
,
2646 mgmt
->bssid
, ie
, ie_len
,
2647 data
->rx_mgmt
.ssi_signal
);
2650 #endif /* CONFIG_P2P */
2651 wpa_dbg(wpa_s
, MSG_DEBUG
, "AP: ignore received "
2652 "management frame in non-AP mode");
2656 if (stype
== WLAN_FC_STYPE_PROBE_REQ
&&
2657 data
->rx_mgmt
.frame_len
> 24) {
2658 const u8
*ie
= mgmt
->u
.probe_req
.variable
;
2659 size_t ie_len
= data
->rx_mgmt
.frame_len
-
2660 (mgmt
->u
.probe_req
.variable
-
2661 data
->rx_mgmt
.frame
);
2663 wpas_notify_preq(wpa_s
, mgmt
->sa
, mgmt
->da
,
2664 mgmt
->bssid
, ie
, ie_len
,
2665 data
->rx_mgmt
.ssi_signal
);
2668 ap_mgmt_rx(wpa_s
, &data
->rx_mgmt
);
2671 #endif /* CONFIG_AP */
2672 case EVENT_RX_ACTION
:
2673 wpa_dbg(wpa_s
, MSG_DEBUG
, "Received Action frame: SA=" MACSTR
2674 " Category=%u DataLen=%d freq=%d MHz",
2675 MAC2STR(data
->rx_action
.sa
),
2676 data
->rx_action
.category
, (int) data
->rx_action
.len
,
2677 data
->rx_action
.freq
);
2678 #ifdef CONFIG_IEEE80211R
2679 if (data
->rx_action
.category
== WLAN_ACTION_FT
) {
2680 ft_rx_action(wpa_s
, data
->rx_action
.data
,
2681 data
->rx_action
.len
);
2684 #endif /* CONFIG_IEEE80211R */
2685 #ifdef CONFIG_IEEE80211W
2687 if (data
->rx_action
.category
== WLAN_ACTION_SA_QUERY
) {
2688 sme_sa_query_rx(wpa_s
, data
->rx_action
.sa
,
2689 data
->rx_action
.data
,
2690 data
->rx_action
.len
);
2693 #endif /* CONFIG_SME */
2694 #endif /* CONFIG_IEEE80211W */
2696 if (data
->rx_action
.category
== WLAN_ACTION_WNM
) {
2697 ieee802_11_rx_wnm_action(wpa_s
, &data
->rx_action
);
2700 #endif /* CONFIG_WNM */
2702 if (data
->rx_action
.category
== WLAN_ACTION_PUBLIC
&&
2703 gas_query_rx(wpa_s
->gas
, data
->rx_action
.da
,
2704 data
->rx_action
.sa
, data
->rx_action
.bssid
,
2705 data
->rx_action
.data
, data
->rx_action
.len
,
2706 data
->rx_action
.freq
) == 0)
2708 #endif /* CONFIG_GAS */
2710 if (data
->rx_action
.category
== WLAN_ACTION_PUBLIC
&&
2711 data
->rx_action
.len
>= 4 &&
2712 data
->rx_action
.data
[0] == WLAN_TDLS_DISCOVERY_RESPONSE
) {
2713 wpa_dbg(wpa_s
, MSG_DEBUG
, "TDLS: Received Discovery "
2714 "Response from " MACSTR
,
2715 MAC2STR(data
->rx_action
.sa
));
2718 #endif /* CONFIG_TDLS */
2720 wpas_p2p_rx_action(wpa_s
, data
->rx_action
.da
,
2722 data
->rx_action
.bssid
,
2723 data
->rx_action
.category
,
2724 data
->rx_action
.data
,
2725 data
->rx_action
.len
, data
->rx_action
.freq
);
2726 #endif /* CONFIG_P2P */
2728 case EVENT_RX_PROBE_REQ
:
2729 if (data
->rx_probe_req
.sa
== NULL
||
2730 data
->rx_probe_req
.ie
== NULL
)
2733 if (wpa_s
->ap_iface
) {
2734 hostapd_probe_req_rx(wpa_s
->ap_iface
->bss
[0],
2735 data
->rx_probe_req
.sa
,
2736 data
->rx_probe_req
.da
,
2737 data
->rx_probe_req
.bssid
,
2738 data
->rx_probe_req
.ie
,
2739 data
->rx_probe_req
.ie_len
,
2740 data
->rx_probe_req
.ssi_signal
);
2743 #endif /* CONFIG_AP */
2745 wpas_p2p_probe_req_rx(wpa_s
, data
->rx_probe_req
.sa
,
2746 data
->rx_probe_req
.da
,
2747 data
->rx_probe_req
.bssid
,
2748 data
->rx_probe_req
.ie
,
2749 data
->rx_probe_req
.ie_len
,
2750 data
->rx_probe_req
.ssi_signal
);
2751 #endif /* CONFIG_P2P */
2753 case EVENT_REMAIN_ON_CHANNEL
:
2754 #ifdef CONFIG_OFFCHANNEL
2755 offchannel_remain_on_channel_cb(
2756 wpa_s
, data
->remain_on_channel
.freq
,
2757 data
->remain_on_channel
.duration
);
2758 #endif /* CONFIG_OFFCHANNEL */
2760 wpas_p2p_remain_on_channel_cb(
2761 wpa_s
, data
->remain_on_channel
.freq
,
2762 data
->remain_on_channel
.duration
);
2763 #endif /* CONFIG_P2P */
2765 case EVENT_CANCEL_REMAIN_ON_CHANNEL
:
2766 #ifdef CONFIG_OFFCHANNEL
2767 offchannel_cancel_remain_on_channel_cb(
2768 wpa_s
, data
->remain_on_channel
.freq
);
2769 #endif /* CONFIG_OFFCHANNEL */
2771 wpas_p2p_cancel_remain_on_channel_cb(
2772 wpa_s
, data
->remain_on_channel
.freq
);
2773 #endif /* CONFIG_P2P */
2776 case EVENT_P2P_DEV_FOUND
: {
2777 struct p2p_peer_info peer_info
;
2779 os_memset(&peer_info
, 0, sizeof(peer_info
));
2780 if (data
->p2p_dev_found
.dev_addr
)
2781 os_memcpy(peer_info
.p2p_device_addr
,
2782 data
->p2p_dev_found
.dev_addr
, ETH_ALEN
);
2783 if (data
->p2p_dev_found
.pri_dev_type
)
2784 os_memcpy(peer_info
.pri_dev_type
,
2785 data
->p2p_dev_found
.pri_dev_type
,
2786 sizeof(peer_info
.pri_dev_type
));
2787 if (data
->p2p_dev_found
.dev_name
)
2788 os_strlcpy(peer_info
.device_name
,
2789 data
->p2p_dev_found
.dev_name
,
2790 sizeof(peer_info
.device_name
));
2791 peer_info
.config_methods
= data
->p2p_dev_found
.config_methods
;
2792 peer_info
.dev_capab
= data
->p2p_dev_found
.dev_capab
;
2793 peer_info
.group_capab
= data
->p2p_dev_found
.group_capab
;
2796 * FIX: new_device=1 is not necessarily correct. We should
2797 * maintain a P2P peer database in wpa_supplicant and update
2798 * this information based on whether the peer is truly new.
2800 wpas_dev_found(wpa_s
, data
->p2p_dev_found
.addr
, &peer_info
, 1);
2803 case EVENT_P2P_GO_NEG_REQ_RX
:
2804 wpas_go_neg_req_rx(wpa_s
, data
->p2p_go_neg_req_rx
.src
,
2805 data
->p2p_go_neg_req_rx
.dev_passwd_id
);
2807 case EVENT_P2P_GO_NEG_COMPLETED
:
2808 wpas_go_neg_completed(wpa_s
, data
->p2p_go_neg_completed
.res
);
2810 case EVENT_P2P_PROV_DISC_REQUEST
:
2811 wpas_prov_disc_req(wpa_s
, data
->p2p_prov_disc_req
.peer
,
2812 data
->p2p_prov_disc_req
.config_methods
,
2813 data
->p2p_prov_disc_req
.dev_addr
,
2814 data
->p2p_prov_disc_req
.pri_dev_type
,
2815 data
->p2p_prov_disc_req
.dev_name
,
2816 data
->p2p_prov_disc_req
.supp_config_methods
,
2817 data
->p2p_prov_disc_req
.dev_capab
,
2818 data
->p2p_prov_disc_req
.group_capab
,
2821 case EVENT_P2P_PROV_DISC_RESPONSE
:
2822 wpas_prov_disc_resp(wpa_s
, data
->p2p_prov_disc_resp
.peer
,
2823 data
->p2p_prov_disc_resp
.config_methods
);
2825 case EVENT_P2P_SD_REQUEST
:
2826 wpas_sd_request(wpa_s
, data
->p2p_sd_req
.freq
,
2827 data
->p2p_sd_req
.sa
,
2828 data
->p2p_sd_req
.dialog_token
,
2829 data
->p2p_sd_req
.update_indic
,
2830 data
->p2p_sd_req
.tlvs
,
2831 data
->p2p_sd_req
.tlvs_len
);
2833 case EVENT_P2P_SD_RESPONSE
:
2834 wpas_sd_response(wpa_s
, data
->p2p_sd_resp
.sa
,
2835 data
->p2p_sd_resp
.update_indic
,
2836 data
->p2p_sd_resp
.tlvs
,
2837 data
->p2p_sd_resp
.tlvs_len
);
2839 #endif /* CONFIG_P2P */
2840 case EVENT_EAPOL_RX
:
2841 wpa_supplicant_rx_eapol(wpa_s
, data
->eapol_rx
.src
,
2842 data
->eapol_rx
.data
,
2843 data
->eapol_rx
.data_len
);
2845 case EVENT_SIGNAL_CHANGE
:
2846 bgscan_notify_signal_change(
2847 wpa_s
, data
->signal_change
.above_threshold
,
2848 data
->signal_change
.current_signal
,
2849 data
->signal_change
.current_noise
,
2850 data
->signal_change
.current_txrate
);
2852 case EVENT_INTERFACE_ENABLED
:
2853 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interface was enabled");
2854 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
2855 wpa_supplicant_update_mac_addr(wpa_s
);
2857 if (!wpa_s
->ap_iface
) {
2858 wpa_supplicant_set_state(wpa_s
,
2860 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2862 wpa_supplicant_set_state(wpa_s
,
2864 #else /* CONFIG_AP */
2865 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
2866 wpa_supplicant_req_scan(wpa_s
, 0, 0);
2867 #endif /* CONFIG_AP */
2870 case EVENT_INTERFACE_DISABLED
:
2871 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interface was disabled");
2872 wpa_supplicant_mark_disassoc(wpa_s
);
2873 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
2875 case EVENT_CHANNEL_LIST_CHANGED
:
2876 if (wpa_s
->drv_priv
== NULL
)
2877 break; /* Ignore event during drv initialization */
2879 free_hw_features(wpa_s
);
2880 wpa_s
->hw
.modes
= wpa_drv_get_hw_feature_data(
2881 wpa_s
, &wpa_s
->hw
.num_modes
, &wpa_s
->hw
.flags
);
2884 wpas_p2p_update_channel_list(wpa_s
);
2885 #endif /* CONFIG_P2P */
2887 case EVENT_INTERFACE_UNAVAILABLE
:
2889 wpas_p2p_interface_unavailable(wpa_s
);
2890 #endif /* CONFIG_P2P */
2892 case EVENT_BEST_CHANNEL
:
2893 wpa_dbg(wpa_s
, MSG_DEBUG
, "Best channel event received "
2895 data
->best_chan
.freq_24
, data
->best_chan
.freq_5
,
2896 data
->best_chan
.freq_overall
);
2897 wpa_s
->best_24_freq
= data
->best_chan
.freq_24
;
2898 wpa_s
->best_5_freq
= data
->best_chan
.freq_5
;
2899 wpa_s
->best_overall_freq
= data
->best_chan
.freq_overall
;
2901 wpas_p2p_update_best_channels(wpa_s
, data
->best_chan
.freq_24
,
2902 data
->best_chan
.freq_5
,
2903 data
->best_chan
.freq_overall
);
2904 #endif /* CONFIG_P2P */
2906 case EVENT_UNPROT_DEAUTH
:
2907 wpa_supplicant_event_unprot_deauth(wpa_s
,
2908 &data
->unprot_deauth
);
2910 case EVENT_UNPROT_DISASSOC
:
2911 wpa_supplicant_event_unprot_disassoc(wpa_s
,
2912 &data
->unprot_disassoc
);
2914 case EVENT_STATION_LOW_ACK
:
2916 if (wpa_s
->ap_iface
&& data
)
2917 hostapd_event_sta_low_ack(wpa_s
->ap_iface
->bss
[0],
2918 data
->low_ack
.addr
);
2919 #endif /* CONFIG_AP */
2922 wpa_tdls_disable_link(wpa_s
->wpa
, data
->low_ack
.addr
);
2923 #endif /* CONFIG_TDLS */
2925 case EVENT_IBSS_PEER_LOST
:
2926 #ifdef CONFIG_IBSS_RSN
2927 ibss_rsn_stop(wpa_s
->ibss_rsn
, data
->ibss_peer_lost
.peer
);
2928 #endif /* CONFIG_IBSS_RSN */
2930 case EVENT_DRIVER_GTK_REKEY
:
2931 if (os_memcmp(data
->driver_gtk_rekey
.bssid
,
2932 wpa_s
->bssid
, ETH_ALEN
))
2936 wpa_sm_update_replay_ctr(wpa_s
->wpa
,
2937 data
->driver_gtk_rekey
.replay_ctr
);
2939 case EVENT_SCHED_SCAN_STOPPED
:
2940 wpa_s
->sched_scanning
= 0;
2941 wpa_supplicant_notify_scanning(wpa_s
, 0);
2943 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
2947 * If we timed out, start a new sched scan to continue
2948 * searching for more SSIDs.
2950 if (wpa_s
->sched_scan_timed_out
)
2951 wpa_supplicant_req_sched_scan(wpa_s
);
2953 case EVENT_WPS_BUTTON_PUSHED
:
2955 wpas_wps_start_pbc(wpa_s
, NULL
, 0);
2956 #endif /* CONFIG_WPS */
2959 wpa_msg(wpa_s
, MSG_INFO
, "Unknown event %d", event
);