2 * WPA Supplicant - Driver event processing
3 * Copyright (c) 2003-2014, 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"
50 #ifndef CONFIG_NO_SCAN_PROCESSING
51 static int wpas_select_network_from_last_scan(struct wpa_supplicant
*wpa_s
,
52 int new_scan
, int own_request
);
53 #endif /* CONFIG_NO_SCAN_PROCESSING */
56 static int wpas_temp_disabled(struct wpa_supplicant
*wpa_s
,
57 struct wpa_ssid
*ssid
)
59 struct os_reltime now
;
61 if (ssid
== NULL
|| ssid
->disabled_until
.sec
== 0)
65 if (ssid
->disabled_until
.sec
> now
.sec
)
66 return ssid
->disabled_until
.sec
- now
.sec
;
68 wpas_clear_temp_disabled(wpa_s
, ssid
, 0);
74 static struct wpa_bss
* wpa_supplicant_get_new_bss(
75 struct wpa_supplicant
*wpa_s
, const u8
*bssid
)
77 struct wpa_bss
*bss
= NULL
;
78 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
80 if (ssid
->ssid_len
> 0)
81 bss
= wpa_bss_get(wpa_s
, bssid
, ssid
->ssid
, ssid
->ssid_len
);
83 bss
= wpa_bss_get_bssid(wpa_s
, bssid
);
89 static void wpa_supplicant_update_current_bss(struct wpa_supplicant
*wpa_s
)
91 struct wpa_bss
*bss
= wpa_supplicant_get_new_bss(wpa_s
, wpa_s
->bssid
);
94 wpa_supplicant_update_scan_results(wpa_s
);
96 /* Get the BSS from the new scan results */
97 bss
= wpa_supplicant_get_new_bss(wpa_s
, wpa_s
->bssid
);
101 wpa_s
->current_bss
= bss
;
105 static int wpa_supplicant_select_config(struct wpa_supplicant
*wpa_s
)
107 struct wpa_ssid
*ssid
, *old_ssid
;
110 if (wpa_s
->conf
->ap_scan
== 1 && wpa_s
->current_ssid
) {
111 wpa_supplicant_update_current_bss(wpa_s
);
115 wpa_dbg(wpa_s
, MSG_DEBUG
, "Select network based on association "
117 ssid
= wpa_supplicant_get_ssid(wpa_s
);
119 wpa_msg(wpa_s
, MSG_INFO
,
120 "No network configuration found for the current AP");
124 if (wpas_network_disabled(wpa_s
, ssid
)) {
125 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is disabled");
129 if (disallowed_bssid(wpa_s
, wpa_s
->bssid
) ||
130 disallowed_ssid(wpa_s
, ssid
->ssid
, ssid
->ssid_len
)) {
131 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected BSS is disallowed");
135 res
= wpas_temp_disabled(wpa_s
, ssid
);
137 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is temporarily "
138 "disabled for %d second(s)", res
);
142 wpa_dbg(wpa_s
, MSG_DEBUG
, "Network configuration found for the "
144 if (wpa_key_mgmt_wpa_any(ssid
->key_mgmt
)) {
146 size_t wpa_ie_len
= sizeof(wpa_ie
);
147 if (wpa_supplicant_set_suites(wpa_s
, NULL
, ssid
,
148 wpa_ie
, &wpa_ie_len
) < 0)
149 wpa_dbg(wpa_s
, MSG_DEBUG
, "Could not set WPA suites");
151 wpa_supplicant_set_non_wpa_policy(wpa_s
, ssid
);
154 if (wpa_s
->current_ssid
&& wpa_s
->current_ssid
!= ssid
)
155 eapol_sm_invalidate_cached_session(wpa_s
->eapol
);
156 old_ssid
= wpa_s
->current_ssid
;
157 wpa_s
->current_ssid
= ssid
;
159 wpa_supplicant_update_current_bss(wpa_s
);
161 wpa_supplicant_rsn_supp_set_config(wpa_s
, wpa_s
->current_ssid
);
162 wpa_supplicant_initiate_eapol(wpa_s
);
163 if (old_ssid
!= wpa_s
->current_ssid
)
164 wpas_notify_network_changed(wpa_s
);
170 void wpa_supplicant_stop_countermeasures(void *eloop_ctx
, void *sock_ctx
)
172 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
174 if (wpa_s
->countermeasures
) {
175 wpa_s
->countermeasures
= 0;
176 wpa_drv_set_countermeasures(wpa_s
, 0);
177 wpa_msg(wpa_s
, MSG_INFO
, "WPA: TKIP countermeasures stopped");
178 wpa_supplicant_req_scan(wpa_s
, 0, 0);
183 void wpa_supplicant_mark_disassoc(struct wpa_supplicant
*wpa_s
)
187 wnm_bss_keep_alive_deinit(wpa_s
);
189 #ifdef CONFIG_IBSS_RSN
190 ibss_rsn_deinit(wpa_s
->ibss_rsn
);
191 wpa_s
->ibss_rsn
= NULL
;
192 #endif /* CONFIG_IBSS_RSN */
195 wpa_supplicant_ap_deinit(wpa_s
);
196 #endif /* CONFIG_AP */
198 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
201 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
202 bssid_changed
= !is_zero_ether_addr(wpa_s
->bssid
);
203 os_memset(wpa_s
->bssid
, 0, ETH_ALEN
);
204 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
206 wpa_s
->sme
.prev_bssid_set
= 0;
207 #endif /* CONFIG_SME */
209 os_memset(wpa_s
->go_dev_addr
, 0, ETH_ALEN
);
210 #endif /* CONFIG_P2P */
211 wpa_s
->current_bss
= NULL
;
212 wpa_s
->assoc_freq
= 0;
213 #ifdef CONFIG_IEEE80211R
215 if (wpa_s
->sme
.ft_ies
)
216 sme_update_ft_ies(wpa_s
, NULL
, NULL
, 0);
217 #endif /* CONFIG_SME */
218 #endif /* CONFIG_IEEE80211R */
221 wpas_notify_bssid_changed(wpa_s
);
223 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
224 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
225 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
))
226 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
227 wpa_s
->ap_ies_from_associnfo
= 0;
228 wpa_s
->current_ssid
= NULL
;
229 eapol_sm_notify_config(wpa_s
->eapol
, NULL
, NULL
);
232 wpas_rrm_reset(wpa_s
);
236 static void wpa_find_assoc_pmkid(struct wpa_supplicant
*wpa_s
)
238 struct wpa_ie_data ie
;
242 if (wpa_sm_parse_own_wpa_ie(wpa_s
->wpa
, &ie
) < 0 ||
246 for (i
= 0; i
< ie
.num_pmkid
; i
++) {
247 pmksa_set
= pmksa_cache_set_current(wpa_s
->wpa
,
248 ie
.pmkid
+ i
* PMKID_LEN
,
250 if (pmksa_set
== 0) {
251 eapol_sm_notify_pmkid_attempt(wpa_s
->eapol
, 1);
256 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: PMKID from assoc IE %sfound from "
257 "PMKSA cache", pmksa_set
== 0 ? "" : "not ");
261 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant
*wpa_s
,
262 union wpa_event_data
*data
)
265 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: No data in PMKID candidate "
269 wpa_dbg(wpa_s
, MSG_DEBUG
, "RSN: PMKID candidate event - bssid=" MACSTR
270 " index=%d preauth=%d",
271 MAC2STR(data
->pmkid_candidate
.bssid
),
272 data
->pmkid_candidate
.index
,
273 data
->pmkid_candidate
.preauth
);
275 pmksa_candidate_add(wpa_s
->wpa
, data
->pmkid_candidate
.bssid
,
276 data
->pmkid_candidate
.index
,
277 data
->pmkid_candidate
.preauth
);
281 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant
*wpa_s
)
283 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
284 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
)
287 #ifdef IEEE8021X_EAPOL
288 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
289 wpa_s
->current_ssid
&&
290 !(wpa_s
->current_ssid
->eapol_flags
&
291 (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
292 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
))) {
293 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
294 * plaintext or static WEP keys). */
297 #endif /* IEEE8021X_EAPOL */
304 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
305 * @wpa_s: pointer to wpa_supplicant data
306 * @ssid: Configuration data for the network
307 * Returns: 0 on success, -1 on failure
309 * This function is called when starting authentication with a network that is
310 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
312 int wpa_supplicant_scard_init(struct wpa_supplicant
*wpa_s
,
313 struct wpa_ssid
*ssid
)
315 #ifdef IEEE8021X_EAPOL
317 int aka
= 0, sim
= 0;
319 if ((ssid
!= NULL
&& ssid
->eap
.pcsc
== NULL
) ||
320 wpa_s
->scard
!= NULL
|| wpa_s
->conf
->external_sim
)
323 if (ssid
== NULL
|| ssid
->eap
.eap_methods
== NULL
) {
327 struct eap_method_type
*eap
= ssid
->eap
.eap_methods
;
328 while (eap
->vendor
!= EAP_VENDOR_IETF
||
329 eap
->method
!= EAP_TYPE_NONE
) {
330 if (eap
->vendor
== EAP_VENDOR_IETF
) {
331 if (eap
->method
== EAP_TYPE_SIM
)
333 else if (eap
->method
== EAP_TYPE_AKA
||
334 eap
->method
== EAP_TYPE_AKA_PRIME
)
341 if (eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_SIM
) == NULL
)
343 if (eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_AKA
) == NULL
&&
344 eap_peer_get_eap_method(EAP_VENDOR_IETF
, EAP_TYPE_AKA_PRIME
) ==
349 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is configured to "
350 "use SIM, but neither EAP-SIM nor EAP-AKA are "
355 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected network is configured to use SIM "
356 "(sim=%d aka=%d) - initialize PCSC", sim
, aka
);
358 wpa_s
->scard
= scard_init(wpa_s
->conf
->pcsc_reader
);
359 if (wpa_s
->scard
== NULL
) {
360 wpa_msg(wpa_s
, MSG_WARNING
, "Failed to initialize SIM "
364 wpa_sm_set_scard_ctx(wpa_s
->wpa
, wpa_s
->scard
);
365 eapol_sm_register_scard_ctx(wpa_s
->eapol
, wpa_s
->scard
);
366 #endif /* PCSC_FUNCS */
367 #endif /* IEEE8021X_EAPOL */
373 #ifndef CONFIG_NO_SCAN_PROCESSING
375 static int has_wep_key(struct wpa_ssid
*ssid
)
379 for (i
= 0; i
< NUM_WEP_KEYS
; i
++) {
380 if (ssid
->wep_key_len
[i
])
388 static int wpa_supplicant_match_privacy(struct wpa_bss
*bss
,
389 struct wpa_ssid
*ssid
)
393 if (ssid
->mixed_cell
)
397 if (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)
399 #endif /* CONFIG_WPS */
401 if (has_wep_key(ssid
))
404 #ifdef IEEE8021X_EAPOL
405 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) &&
406 ssid
->eapol_flags
& (EAPOL_FLAG_REQUIRE_KEY_UNICAST
|
407 EAPOL_FLAG_REQUIRE_KEY_BROADCAST
))
409 #endif /* IEEE8021X_EAPOL */
411 if (wpa_key_mgmt_wpa(ssid
->key_mgmt
))
414 if (ssid
->key_mgmt
& WPA_KEY_MGMT_OSEN
)
417 if (bss
->caps
& IEEE80211_CAP_PRIVACY
)
423 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant
*wpa_s
,
424 struct wpa_ssid
*ssid
,
427 struct wpa_ie_data ie
;
429 const u8
*rsn_ie
, *wpa_ie
;
433 ret
= wpas_wps_ssid_bss_match(wpa_s
, ssid
, bss
);
437 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
438 wep_ok
= !wpa_key_mgmt_wpa(ssid
->key_mgmt
) &&
439 (((ssid
->key_mgmt
& WPA_KEY_MGMT_NONE
) &&
440 ssid
->wep_key_len
[ssid
->wep_tx_keyidx
] > 0) ||
441 (ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
));
443 rsn_ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
444 while ((ssid
->proto
& WPA_PROTO_RSN
) && rsn_ie
) {
447 if (wpa_parse_wpa_ie(rsn_ie
, 2 + rsn_ie
[1], &ie
)) {
448 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN 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 RSN IE - proto "
467 if (!(ie
.pairwise_cipher
& ssid
->pairwise_cipher
)) {
468 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - PTK "
473 if (!(ie
.group_cipher
& ssid
->group_cipher
)) {
474 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - GTK "
479 if (!(ie
.key_mgmt
& ssid
->key_mgmt
)) {
480 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - key mgmt "
485 #ifdef CONFIG_IEEE80211W
486 if (!(ie
.capabilities
& WPA_CAPABILITY_MFPC
) &&
487 (ssid
->ieee80211w
== MGMT_FRAME_PROTECTION_DEFAULT
?
488 wpa_s
->conf
->pmf
: ssid
->ieee80211w
) ==
489 MGMT_FRAME_PROTECTION_REQUIRED
) {
490 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip RSN IE - no mgmt "
494 #endif /* CONFIG_IEEE80211W */
496 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on RSN IE");
500 wpa_ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
501 while ((ssid
->proto
& WPA_PROTO_WPA
) && wpa_ie
) {
504 if (wpa_parse_wpa_ie(wpa_ie
, 2 + wpa_ie
[1], &ie
)) {
505 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - parse "
511 (ie
.group_cipher
& (WPA_CIPHER_WEP40
| WPA_CIPHER_WEP104
)))
513 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on TSN "
518 if (!(ie
.proto
& ssid
->proto
)) {
519 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - proto "
524 if (!(ie
.pairwise_cipher
& ssid
->pairwise_cipher
)) {
525 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - PTK "
530 if (!(ie
.group_cipher
& ssid
->group_cipher
)) {
531 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - GTK "
536 if (!(ie
.key_mgmt
& ssid
->key_mgmt
)) {
537 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip WPA IE - key mgmt "
542 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected based on WPA IE");
546 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
) && !wpa_ie
&&
548 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow for non-WPA IEEE 802.1X");
552 if ((ssid
->proto
& (WPA_PROTO_WPA
| WPA_PROTO_RSN
)) &&
553 wpa_key_mgmt_wpa(ssid
->key_mgmt
) && proto_match
== 0) {
554 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - no WPA/RSN proto match");
558 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_OSEN
) &&
559 wpa_bss_get_vendor_ie(bss
, OSEN_IE_VENDOR_TYPE
)) {
560 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow in OSEN");
564 if (!wpa_key_mgmt_wpa(ssid
->key_mgmt
)) {
565 wpa_dbg(wpa_s
, MSG_DEBUG
, " allow in non-WPA/WPA2");
569 wpa_dbg(wpa_s
, MSG_DEBUG
, " reject due to mismatch with "
576 static int freq_allowed(int *freqs
, int freq
)
583 for (i
= 0; freqs
[i
]; i
++)
584 if (freqs
[i
] == freq
)
590 static int rate_match(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
)
592 const struct hostapd_hw_modes
*mode
= NULL
, *modes
;
593 const u8 scan_ie
[2] = { WLAN_EID_SUPP_RATES
, WLAN_EID_EXT_SUPP_RATES
};
598 return 1; /* Cannot do matching without knowing band */
600 modes
= wpa_s
->hw
.modes
;
603 * The driver does not provide any additional information
604 * about the utilized hardware, so allow the connection attempt
610 for (i
= 0; i
< wpa_s
->hw
.num_modes
; i
++) {
611 for (j
= 0; j
< modes
[i
].num_channels
; j
++) {
612 int freq
= modes
[i
].channels
[j
].freq
;
613 if (freq
== bss
->freq
) {
615 mode
->mode
== HOSTAPD_MODE_IEEE80211G
)
616 break; /* do not allow 802.11b replace
627 for (i
= 0; i
< (int) sizeof(scan_ie
); i
++) {
628 rate_ie
= wpa_bss_get_ie(bss
, scan_ie
[i
]);
632 for (j
= 2; j
< rate_ie
[1] + 2; j
++) {
633 int flagged
= !!(rate_ie
[j
] & 0x80);
634 int r
= (rate_ie
[j
] & 0x7f) * 5;
637 * IEEE Std 802.11n-2009 7.3.2.2:
638 * The new BSS Membership selector value is encoded
639 * like a legacy basic rate, but it is not a rate and
640 * only indicates if the BSS members are required to
641 * support the mandatory features of Clause 20 [HT PHY]
642 * in order to join the BSS.
644 if (flagged
&& ((rate_ie
[j
] & 0x7f) ==
645 BSS_MEMBERSHIP_SELECTOR_HT_PHY
)) {
646 if (!ht_supported(mode
)) {
647 wpa_dbg(wpa_s
, MSG_DEBUG
,
648 " hardware does not support "
655 /* There's also a VHT selector for 802.11ac */
656 if (flagged
&& ((rate_ie
[j
] & 0x7f) ==
657 BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)) {
658 if (!vht_supported(mode
)) {
659 wpa_dbg(wpa_s
, MSG_DEBUG
,
660 " hardware does not support "
670 /* check for legacy basic rates */
671 for (k
= 0; k
< mode
->num_rates
; k
++) {
672 if (mode
->rates
[k
] == r
)
675 if (k
== mode
->num_rates
) {
677 * IEEE Std 802.11-2007 7.3.2.2 demands that in
678 * order to join a BSS all required rates
679 * have to be supported by the hardware.
681 wpa_dbg(wpa_s
, MSG_DEBUG
, " hardware does "
682 "not support required rate %d.%d Mbps",
694 * Test whether BSS is in an ESS.
695 * This is done differently in DMG (60 GHz) and non-DMG bands
697 static int bss_is_ess(struct wpa_bss
*bss
)
699 if (bss_is_dmg(bss
)) {
700 return (bss
->caps
& IEEE80211_CAP_DMG_MASK
) ==
701 IEEE80211_CAP_DMG_AP
;
704 return ((bss
->caps
& (IEEE80211_CAP_ESS
| IEEE80211_CAP_IBSS
)) ==
709 static struct wpa_ssid
* wpa_scan_res_match(struct wpa_supplicant
*wpa_s
,
710 int i
, struct wpa_bss
*bss
,
711 struct wpa_ssid
*group
,
714 u8 wpa_ie_len
, rsn_ie_len
;
716 struct wpa_blacklist
*e
;
718 struct wpa_ssid
*ssid
;
721 ie
= wpa_bss_get_vendor_ie(bss
, WPA_IE_VENDOR_TYPE
);
722 wpa_ie_len
= ie
? ie
[1] : 0;
724 ie
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
725 rsn_ie_len
= ie
? ie
[1] : 0;
727 ie
= wpa_bss_get_vendor_ie(bss
, OSEN_IE_VENDOR_TYPE
);
730 wpa_dbg(wpa_s
, MSG_DEBUG
, "%d: " MACSTR
" ssid='%s' "
731 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s%s%s",
732 i
, MAC2STR(bss
->bssid
), wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
),
733 wpa_ie_len
, rsn_ie_len
, bss
->caps
, bss
->level
,
734 wpa_bss_get_vendor_ie(bss
, WPS_IE_VENDOR_TYPE
) ? " wps" : "",
735 (wpa_bss_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) ||
736 wpa_bss_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) ?
738 osen
? " osen=1" : "");
740 e
= wpa_blacklist_get(wpa_s
, bss
->bssid
);
743 if (wpa_supplicant_enabled_networks(wpa_s
) == 1) {
745 * When only a single network is enabled, we can
746 * trigger blacklisting on the first failure. This
747 * should not be done with multiple enabled networks to
748 * avoid getting forced to move into a worse ESS on
749 * single error if there are no other BSSes of the
754 if (e
->count
> limit
) {
755 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - blacklisted "
756 "(count=%d limit=%d)", e
->count
, limit
);
761 if (bss
->ssid_len
== 0) {
762 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID not known");
766 if (disallowed_bssid(wpa_s
, bss
->bssid
)) {
767 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - BSSID disallowed");
771 if (disallowed_ssid(wpa_s
, bss
->ssid
, bss
->ssid_len
)) {
772 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID disallowed");
776 wpa
= wpa_ie_len
> 0 || rsn_ie_len
> 0;
778 for (ssid
= group
; ssid
; ssid
= only_first_ssid
? NULL
: ssid
->pnext
) {
779 int check_ssid
= wpa
? 1 : (ssid
->ssid_len
!= 0);
782 if (wpas_network_disabled(wpa_s
, ssid
)) {
783 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - disabled");
787 res
= wpas_temp_disabled(wpa_s
, ssid
);
789 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - disabled "
790 "temporarily for %d second(s)", res
);
795 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) && e
&& e
->count
> 0) {
796 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - blacklisted "
801 if (wpa
&& ssid
->ssid_len
== 0 &&
802 wpas_wps_ssid_wildcard_ok(wpa_s
, ssid
, bss
))
805 if (!wpa
&& (ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
)) {
806 /* Only allow wildcard SSID match if an AP
807 * advertises active WPS operation that matches
810 if (ssid
->ssid_len
== 0 &&
811 wpas_wps_ssid_wildcard_ok(wpa_s
, ssid
, bss
))
814 #endif /* CONFIG_WPS */
816 if (ssid
->bssid_set
&& ssid
->ssid_len
== 0 &&
817 os_memcmp(bss
->bssid
, ssid
->bssid
, ETH_ALEN
) == 0)
821 (bss
->ssid_len
!= ssid
->ssid_len
||
822 os_memcmp(bss
->ssid
, ssid
->ssid
, bss
->ssid_len
) != 0)) {
823 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - SSID mismatch");
827 if (ssid
->bssid_set
&&
828 os_memcmp(bss
->bssid
, ssid
->bssid
, ETH_ALEN
) != 0) {
829 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - BSSID mismatch");
833 if (!wpa_supplicant_ssid_bss_match(wpa_s
, ssid
, bss
))
837 !(ssid
->key_mgmt
& WPA_KEY_MGMT_NONE
) &&
838 !(ssid
->key_mgmt
& WPA_KEY_MGMT_WPS
) &&
839 !(ssid
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) {
840 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - non-WPA network "
845 if (wpa
&& !wpa_key_mgmt_wpa(ssid
->key_mgmt
) &&
847 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - ignore WPA/WPA2 AP for WEP network block");
851 if ((ssid
->key_mgmt
& WPA_KEY_MGMT_OSEN
) && !osen
) {
852 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - non-OSEN network "
857 if (!wpa_supplicant_match_privacy(bss
, ssid
)) {
858 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - privacy "
863 if (!bss_is_ess(bss
)) {
864 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - not ESS network");
868 if (!freq_allowed(ssid
->freq_list
, bss
->freq
)) {
869 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - frequency not "
874 if (!rate_match(wpa_s
, bss
)) {
875 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - rate sets do "
881 if (ssid
->p2p_group
&&
882 !wpa_bss_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
) &&
883 !wpa_bss_get_vendor_ie_beacon(bss
, P2P_IE_VENDOR_TYPE
)) {
884 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - no P2P IE seen");
888 if (!is_zero_ether_addr(ssid
->go_p2p_dev_addr
)) {
889 struct wpabuf
*p2p_ie
;
890 u8 dev_addr
[ETH_ALEN
];
892 ie
= wpa_bss_get_vendor_ie(bss
, P2P_IE_VENDOR_TYPE
);
894 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - no P2P element");
897 p2p_ie
= wpa_bss_get_vendor_ie_multi(
898 bss
, P2P_IE_VENDOR_TYPE
);
899 if (p2p_ie
== NULL
) {
900 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - could not fetch P2P element");
904 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie
, dev_addr
) < 0
905 || os_memcmp(dev_addr
, ssid
->go_p2p_dev_addr
,
907 wpa_dbg(wpa_s
, MSG_DEBUG
, " skip - no matching GO P2P Device Address in P2P element");
915 * TODO: skip the AP if its P2P IE has Group Formation
916 * bit set in the P2P Group Capability Bitmap and we
917 * are not in Group Formation with that device.
919 #endif /* CONFIG_P2P */
921 /* Matching configuration found */
925 /* No matching configuration found */
930 static struct wpa_bss
*
931 wpa_supplicant_select_bss(struct wpa_supplicant
*wpa_s
,
932 struct wpa_ssid
*group
,
933 struct wpa_ssid
**selected_ssid
,
939 wpa_dbg(wpa_s
, MSG_DEBUG
, "Try to find BSS matching pre-selected network id=%d",
942 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selecting BSS from priority group %d",
945 for (i
= 0; i
< wpa_s
->last_scan_res_used
; i
++) {
946 struct wpa_bss
*bss
= wpa_s
->last_scan_res
[i
];
947 *selected_ssid
= wpa_scan_res_match(wpa_s
, i
, bss
, group
,
951 wpa_dbg(wpa_s
, MSG_DEBUG
, " selected BSS " MACSTR
954 wpa_ssid_txt(bss
->ssid
, bss
->ssid_len
));
962 struct wpa_bss
* wpa_supplicant_pick_network(struct wpa_supplicant
*wpa_s
,
963 struct wpa_ssid
**selected_ssid
)
965 struct wpa_bss
*selected
= NULL
;
967 struct wpa_ssid
*next_ssid
= NULL
;
969 if (wpa_s
->last_scan_res
== NULL
||
970 wpa_s
->last_scan_res_used
== 0)
971 return NULL
; /* no scan results from last update */
973 if (wpa_s
->next_ssid
) {
974 struct wpa_ssid
*ssid
;
976 /* check that next_ssid is still valid */
977 for (ssid
= wpa_s
->conf
->ssid
; ssid
; ssid
= ssid
->next
) {
978 if (ssid
== wpa_s
->next_ssid
)
982 wpa_s
->next_ssid
= NULL
;
985 while (selected
== NULL
) {
986 for (prio
= 0; prio
< wpa_s
->conf
->num_prio
; prio
++) {
987 if (next_ssid
&& next_ssid
->priority
==
988 wpa_s
->conf
->pssid
[prio
]->priority
) {
989 selected
= wpa_supplicant_select_bss(
990 wpa_s
, next_ssid
, selected_ssid
, 1);
994 selected
= wpa_supplicant_select_bss(
995 wpa_s
, wpa_s
->conf
->pssid
[prio
],
1001 if (selected
== NULL
&& wpa_s
->blacklist
&&
1002 !wpa_s
->countermeasures
) {
1003 wpa_dbg(wpa_s
, MSG_DEBUG
, "No APs found - clear "
1004 "blacklist and try again");
1005 wpa_blacklist_clear(wpa_s
);
1006 wpa_s
->blacklist_cleared
++;
1007 } else if (selected
== NULL
)
1015 static void wpa_supplicant_req_new_scan(struct wpa_supplicant
*wpa_s
,
1016 int timeout_sec
, int timeout_usec
)
1018 if (!wpa_supplicant_enabled_networks(wpa_s
)) {
1020 * No networks are enabled; short-circuit request so
1021 * we don't wait timeout seconds before transitioning
1022 * to INACTIVE state.
1024 wpa_dbg(wpa_s
, MSG_DEBUG
, "Short-circuit new scan request "
1025 "since there are no enabled networks");
1026 wpa_supplicant_set_state(wpa_s
, WPA_INACTIVE
);
1030 wpa_s
->scan_for_connection
= 1;
1031 wpa_supplicant_req_scan(wpa_s
, timeout_sec
, timeout_usec
);
1035 int wpa_supplicant_connect(struct wpa_supplicant
*wpa_s
,
1036 struct wpa_bss
*selected
,
1037 struct wpa_ssid
*ssid
)
1039 if (wpas_wps_scan_pbc_overlap(wpa_s
, selected
, ssid
)) {
1040 wpa_msg(wpa_s
, MSG_INFO
, WPS_EVENT_OVERLAP
1041 "PBC session overlap");
1043 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_CLIENT
||
1044 wpa_s
->p2p_in_provisioning
) {
1045 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb
,
1049 #endif /* CONFIG_P2P */
1052 wpas_wps_cancel(wpa_s
);
1053 #endif /* CONFIG_WPS */
1057 wpa_msg(wpa_s
, MSG_DEBUG
,
1058 "Considering connect request: reassociate: %d selected: "
1059 MACSTR
" bssid: " MACSTR
" pending: " MACSTR
1060 " wpa_state: %s ssid=%p current_ssid=%p",
1061 wpa_s
->reassociate
, MAC2STR(selected
->bssid
),
1062 MAC2STR(wpa_s
->bssid
), MAC2STR(wpa_s
->pending_bssid
),
1063 wpa_supplicant_state_txt(wpa_s
->wpa_state
),
1064 ssid
, wpa_s
->current_ssid
);
1067 * Do not trigger new association unless the BSSID has changed or if
1068 * reassociation is requested. If we are in process of associating with
1069 * the selected BSSID, do not trigger new attempt.
1071 if (wpa_s
->reassociate
||
1072 (os_memcmp(selected
->bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0 &&
1073 ((wpa_s
->wpa_state
!= WPA_ASSOCIATING
&&
1074 wpa_s
->wpa_state
!= WPA_AUTHENTICATING
) ||
1075 (!is_zero_ether_addr(wpa_s
->pending_bssid
) &&
1076 os_memcmp(selected
->bssid
, wpa_s
->pending_bssid
, ETH_ALEN
) !=
1078 (is_zero_ether_addr(wpa_s
->pending_bssid
) &&
1079 ssid
!= wpa_s
->current_ssid
)))) {
1080 if (wpa_supplicant_scard_init(wpa_s
, ssid
)) {
1081 wpa_supplicant_req_new_scan(wpa_s
, 10, 0);
1084 wpa_msg(wpa_s
, MSG_DEBUG
, "Request association with " MACSTR
,
1085 MAC2STR(selected
->bssid
));
1086 wpa_supplicant_associate(wpa_s
, selected
, ssid
);
1088 wpa_dbg(wpa_s
, MSG_DEBUG
, "Already associated or trying to "
1089 "connect with the selected AP");
1096 static struct wpa_ssid
*
1097 wpa_supplicant_pick_new_network(struct wpa_supplicant
*wpa_s
)
1100 struct wpa_ssid
*ssid
;
1102 for (prio
= 0; prio
< wpa_s
->conf
->num_prio
; prio
++) {
1103 for (ssid
= wpa_s
->conf
->pssid
[prio
]; ssid
; ssid
= ssid
->pnext
)
1105 if (wpas_network_disabled(wpa_s
, ssid
))
1107 if (ssid
->mode
== IEEE80211_MODE_IBSS
||
1108 ssid
->mode
== IEEE80211_MODE_AP
||
1109 ssid
->mode
== IEEE80211_MODE_MESH
)
1117 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1118 * on BSS added and BSS changed events */
1119 static void wpa_supplicant_rsn_preauth_scan_results(
1120 struct wpa_supplicant
*wpa_s
)
1122 struct wpa_bss
*bss
;
1124 if (rsn_preauth_scan_results(wpa_s
->wpa
) < 0)
1127 dl_list_for_each(bss
, &wpa_s
->bss
, struct wpa_bss
, list
) {
1128 const u8
*ssid
, *rsn
;
1130 ssid
= wpa_bss_get_ie(bss
, WLAN_EID_SSID
);
1134 rsn
= wpa_bss_get_ie(bss
, WLAN_EID_RSN
);
1138 rsn_preauth_scan_result(wpa_s
->wpa
, bss
->bssid
, ssid
, rsn
);
1144 static int wpa_supplicant_need_to_roam(struct wpa_supplicant
*wpa_s
,
1145 struct wpa_bss
*selected
,
1146 struct wpa_ssid
*ssid
)
1148 struct wpa_bss
*current_bss
= NULL
;
1151 if (wpa_s
->reassociate
)
1152 return 1; /* explicit request to reassociate */
1153 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
1154 return 1; /* we are not associated; continue */
1155 if (wpa_s
->current_ssid
== NULL
)
1156 return 1; /* unknown current SSID */
1157 if (wpa_s
->current_ssid
!= ssid
)
1158 return 1; /* different network block */
1160 if (wpas_driver_bss_selection(wpa_s
))
1161 return 0; /* Driver-based roaming */
1163 if (wpa_s
->current_ssid
->ssid
)
1164 current_bss
= wpa_bss_get(wpa_s
, wpa_s
->bssid
,
1165 wpa_s
->current_ssid
->ssid
,
1166 wpa_s
->current_ssid
->ssid_len
);
1168 current_bss
= wpa_bss_get_bssid(wpa_s
, wpa_s
->bssid
);
1171 return 1; /* current BSS not seen in scan results */
1173 if (current_bss
== selected
)
1176 if (selected
->last_update_idx
> current_bss
->last_update_idx
)
1177 return 1; /* current BSS not seen in the last scan */
1179 #ifndef CONFIG_NO_ROAMING
1180 wpa_dbg(wpa_s
, MSG_DEBUG
, "Considering within-ESS reassociation");
1181 wpa_dbg(wpa_s
, MSG_DEBUG
, "Current BSS: " MACSTR
" level=%d",
1182 MAC2STR(current_bss
->bssid
), current_bss
->level
);
1183 wpa_dbg(wpa_s
, MSG_DEBUG
, "Selected BSS: " MACSTR
" level=%d",
1184 MAC2STR(selected
->bssid
), selected
->level
);
1186 if (wpa_s
->current_ssid
->bssid_set
&&
1187 os_memcmp(selected
->bssid
, wpa_s
->current_ssid
->bssid
, ETH_ALEN
) ==
1189 wpa_dbg(wpa_s
, MSG_DEBUG
, "Allow reassociation - selected BSS "
1190 "has preferred BSSID");
1194 if (current_bss
->level
< 0 && current_bss
->level
> selected
->level
) {
1195 wpa_dbg(wpa_s
, MSG_DEBUG
, "Skip roam - Current BSS has better "
1201 if (current_bss
->level
< 0) {
1202 if (current_bss
->level
< -85)
1204 else if (current_bss
->level
< -80)
1206 else if (current_bss
->level
< -75)
1208 else if (current_bss
->level
< -70)
1213 if (abs(current_bss
->level
- selected
->level
) < min_diff
) {
1214 wpa_dbg(wpa_s
, MSG_DEBUG
, "Skip roam - too small difference "
1220 #else /* CONFIG_NO_ROAMING */
1222 #endif /* CONFIG_NO_ROAMING */
1226 /* Return != 0 if no scan results could be fetched or if scan results should not
1227 * be shared with other virtual interfaces. */
1228 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant
*wpa_s
,
1229 union wpa_event_data
*data
,
1232 struct wpa_scan_results
*scan_res
= NULL
;
1235 #ifndef CONFIG_NO_RANDOM_POOL
1237 #endif /* CONFIG_NO_RANDOM_POOL */
1240 if (wpa_s
->ap_iface
)
1242 #endif /* CONFIG_AP */
1244 wpa_supplicant_notify_scanning(wpa_s
, 0);
1246 scan_res
= wpa_supplicant_get_scan_results(wpa_s
,
1247 data
? &data
->scan_info
:
1249 if (scan_res
== NULL
) {
1250 if (wpa_s
->conf
->ap_scan
== 2 || ap
||
1251 wpa_s
->scan_res_handler
== scan_only_handler
)
1255 wpa_dbg(wpa_s
, MSG_DEBUG
, "Failed to get scan results - try "
1257 wpa_supplicant_req_new_scan(wpa_s
, 1, 0);
1259 goto scan_work_done
;
1262 #ifndef CONFIG_NO_RANDOM_POOL
1263 num
= scan_res
->num
;
1266 for (i
= 0; i
< num
; i
++) {
1268 struct wpa_scan_res
*res
= scan_res
->res
[i
];
1269 buf
[0] = res
->bssid
[5];
1270 buf
[1] = res
->qual
& 0xff;
1271 buf
[2] = res
->noise
& 0xff;
1272 buf
[3] = res
->level
& 0xff;
1273 buf
[4] = res
->tsf
& 0xff;
1274 random_add_randomness(buf
, sizeof(buf
));
1276 #endif /* CONFIG_NO_RANDOM_POOL */
1278 if (own_request
&& wpa_s
->scan_res_handler
&&
1279 (wpa_s
->own_scan_running
|| !wpa_s
->external_scan_running
)) {
1280 void (*scan_res_handler
)(struct wpa_supplicant
*wpa_s
,
1281 struct wpa_scan_results
*scan_res
);
1283 scan_res_handler
= wpa_s
->scan_res_handler
;
1284 wpa_s
->scan_res_handler
= NULL
;
1285 scan_res_handler(wpa_s
, scan_res
);
1287 goto scan_work_done
;
1291 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore scan results in AP mode");
1293 if (wpa_s
->ap_iface
->scan_cb
)
1294 wpa_s
->ap_iface
->scan_cb(wpa_s
->ap_iface
);
1295 #endif /* CONFIG_AP */
1296 goto scan_work_done
;
1299 wpa_dbg(wpa_s
, MSG_DEBUG
, "New scan results available (own=%u ext=%u)",
1300 wpa_s
->own_scan_running
, wpa_s
->external_scan_running
);
1301 if (wpa_s
->last_scan_req
== MANUAL_SCAN_REQ
&&
1302 wpa_s
->manual_scan_use_id
&& wpa_s
->own_scan_running
) {
1303 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_RESULTS
"id=%u",
1304 wpa_s
->manual_scan_id
);
1305 wpa_s
->manual_scan_use_id
= 0;
1307 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_RESULTS
);
1309 wpas_notify_scan_results(wpa_s
);
1311 wpas_notify_scan_done(wpa_s
, 1);
1313 if (!wpa_s
->own_scan_running
&& wpa_s
->external_scan_running
) {
1314 wpa_dbg(wpa_s
, MSG_DEBUG
, "Do not use results from externally requested scan operation for network selection");
1315 wpa_scan_results_free(scan_res
);
1319 if (wnm_scan_process(wpa_s
, 1) > 0)
1320 goto scan_work_done
;
1322 if (sme_proc_obss_scan(wpa_s
) > 0)
1323 goto scan_work_done
;
1325 if ((wpa_s
->conf
->ap_scan
== 2 && !wpas_wps_searching(wpa_s
)))
1326 goto scan_work_done
;
1328 if (autoscan_notify_scan(wpa_s
, scan_res
))
1329 goto scan_work_done
;
1331 if (wpa_s
->disconnected
) {
1332 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
1333 goto scan_work_done
;
1336 if (!wpas_driver_bss_selection(wpa_s
) &&
1337 bgscan_notify_scan(wpa_s
, scan_res
) == 1)
1338 goto scan_work_done
;
1340 wpas_wps_update_ap_info(wpa_s
, scan_res
);
1342 wpa_scan_results_free(scan_res
);
1344 if (wpa_s
->scan_work
) {
1345 struct wpa_radio_work
*work
= wpa_s
->scan_work
;
1346 wpa_s
->scan_work
= NULL
;
1347 radio_work_done(work
);
1350 return wpas_select_network_from_last_scan(wpa_s
, 1, own_request
);
1353 wpa_scan_results_free(scan_res
);
1354 if (wpa_s
->scan_work
) {
1355 struct wpa_radio_work
*work
= wpa_s
->scan_work
;
1356 wpa_s
->scan_work
= NULL
;
1357 radio_work_done(work
);
1363 static int wpas_select_network_from_last_scan(struct wpa_supplicant
*wpa_s
,
1364 int new_scan
, int own_request
)
1366 struct wpa_bss
*selected
;
1367 struct wpa_ssid
*ssid
= NULL
;
1369 selected
= wpa_supplicant_pick_network(wpa_s
, &ssid
);
1373 skip
= !wpa_supplicant_need_to_roam(wpa_s
, selected
, ssid
);
1376 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1380 if (wpa_supplicant_connect(wpa_s
, selected
, ssid
) < 0) {
1381 wpa_dbg(wpa_s
, MSG_DEBUG
, "Connect failed");
1385 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1387 * Do not notify other virtual radios of scan results since we do not
1388 * want them to start other associations at the same time.
1394 wpa_msg(wpa_s
, MSG_INFO
,
1395 "Avoiding join because we already joined a mesh group");
1398 #endif /* CONFIG_MESH */
1399 wpa_dbg(wpa_s
, MSG_DEBUG
, "No suitable network found");
1400 ssid
= wpa_supplicant_pick_new_network(wpa_s
);
1402 wpa_dbg(wpa_s
, MSG_DEBUG
, "Setup a new network");
1403 wpa_supplicant_associate(wpa_s
, NULL
, ssid
);
1405 wpa_supplicant_rsn_preauth_scan_results(wpa_s
);
1406 } else if (own_request
) {
1408 * No SSID found. If SCAN results are as a result of
1409 * own scan request and not due to a scan request on
1410 * another shared interface, try another scan.
1412 int timeout_sec
= wpa_s
->scan_interval
;
1413 int timeout_usec
= 0;
1415 if (wpas_p2p_scan_no_go_seen(wpa_s
) == 1)
1418 if (wpa_s
->p2p_in_provisioning
||
1419 wpa_s
->show_group_started
||
1420 wpa_s
->p2p_in_invitation
) {
1422 * Use shorter wait during P2P Provisioning
1423 * state and during P2P join-a-group operation
1424 * to speed up group formation.
1427 timeout_usec
= 250000;
1428 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
1432 #endif /* CONFIG_P2P */
1433 #ifdef CONFIG_INTERWORKING
1434 if (wpa_s
->conf
->auto_interworking
&&
1435 wpa_s
->conf
->interworking
&&
1436 wpa_s
->conf
->cred
) {
1437 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interworking: "
1438 "start ANQP fetch since no matching "
1440 wpa_s
->network_select
= 1;
1441 wpa_s
->auto_network_select
= 1;
1442 interworking_start_fetch_anqp(wpa_s
);
1445 #endif /* CONFIG_INTERWORKING */
1447 if (wpa_s
->after_wps
> 0 || wpas_wps_searching(wpa_s
)) {
1448 wpa_dbg(wpa_s
, MSG_DEBUG
, "Use shorter wait during WPS processing");
1450 timeout_usec
= 500000;
1451 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
1455 #endif /* CONFIG_WPS */
1456 if (wpa_supplicant_req_sched_scan(wpa_s
))
1457 wpa_supplicant_req_new_scan(wpa_s
, timeout_sec
,
1465 static void wpa_supplicant_event_scan_results(struct wpa_supplicant
*wpa_s
,
1466 union wpa_event_data
*data
)
1468 struct wpa_supplicant
*ifs
;
1470 if (_wpa_supplicant_event_scan_results(wpa_s
, data
, 1) != 0) {
1472 * If no scan results could be fetched, then no need to
1473 * notify those interfaces that did not actually request
1474 * this scan. Similarly, if scan results started a new operation on this
1475 * interface, do not notify other interfaces to avoid concurrent
1476 * operations during a connection attempt.
1482 * Check other interfaces to see if they share the same radio. If
1483 * so, they get updated with this same scan info.
1485 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
1488 wpa_printf(MSG_DEBUG
, "%s: Updating scan results from "
1489 "sibling", ifs
->ifname
);
1490 _wpa_supplicant_event_scan_results(ifs
, data
, 0);
1495 #endif /* CONFIG_NO_SCAN_PROCESSING */
1498 int wpa_supplicant_fast_associate(struct wpa_supplicant
*wpa_s
)
1500 #ifdef CONFIG_NO_SCAN_PROCESSING
1502 #else /* CONFIG_NO_SCAN_PROCESSING */
1503 struct os_reltime now
;
1505 if (wpa_s
->last_scan_res_used
<= 0)
1508 os_get_reltime(&now
);
1509 if (os_reltime_expired(&now
, &wpa_s
->last_scan
, 5)) {
1510 wpa_printf(MSG_DEBUG
, "Fast associate: Old scan results");
1514 return wpas_select_network_from_last_scan(wpa_s
, 0, 1);
1515 #endif /* CONFIG_NO_SCAN_PROCESSING */
1520 static void wnm_bss_keep_alive(void *eloop_ctx
, void *sock_ctx
)
1522 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
1524 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
1527 if (!wpa_s
->no_keep_alive
) {
1528 wpa_printf(MSG_DEBUG
, "WNM: Send keep-alive to AP " MACSTR
,
1529 MAC2STR(wpa_s
->bssid
));
1530 /* TODO: could skip this if normal data traffic has been sent */
1531 /* TODO: Consider using some more appropriate data frame for
1534 l2_packet_send(wpa_s
->l2
, wpa_s
->bssid
, 0x0800,
1539 if (wpa_s
->sme
.bss_max_idle_period
) {
1541 msec
= wpa_s
->sme
.bss_max_idle_period
* 1024; /* times 1000 */
1544 eloop_register_timeout(msec
/ 1000, msec
% 1000 * 1000,
1545 wnm_bss_keep_alive
, wpa_s
, NULL
);
1547 #endif /* CONFIG_SME */
1551 static void wnm_process_assoc_resp(struct wpa_supplicant
*wpa_s
,
1552 const u8
*ies
, size_t ies_len
)
1554 struct ieee802_11_elems elems
;
1559 if (ieee802_11_parse_elems(ies
, ies_len
, &elems
, 1) == ParseFailed
)
1563 if (elems
.bss_max_idle_period
) {
1565 wpa_s
->sme
.bss_max_idle_period
=
1566 WPA_GET_LE16(elems
.bss_max_idle_period
);
1567 wpa_printf(MSG_DEBUG
, "WNM: BSS Max Idle Period: %u (* 1000 "
1568 "TU)%s", wpa_s
->sme
.bss_max_idle_period
,
1569 (elems
.bss_max_idle_period
[2] & 0x01) ?
1570 " (protected keep-live required)" : "");
1571 if (wpa_s
->sme
.bss_max_idle_period
== 0)
1572 wpa_s
->sme
.bss_max_idle_period
= 1;
1573 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) {
1574 eloop_cancel_timeout(wnm_bss_keep_alive
, wpa_s
, NULL
);
1575 /* msec times 1000 */
1576 msec
= wpa_s
->sme
.bss_max_idle_period
* 1024;
1579 eloop_register_timeout(msec
/ 1000, msec
% 1000 * 1000,
1580 wnm_bss_keep_alive
, wpa_s
,
1584 #endif /* CONFIG_SME */
1587 #endif /* CONFIG_WNM */
1590 void wnm_bss_keep_alive_deinit(struct wpa_supplicant
*wpa_s
)
1593 eloop_cancel_timeout(wnm_bss_keep_alive
, wpa_s
, NULL
);
1594 #endif /* CONFIG_WNM */
1598 #ifdef CONFIG_INTERWORKING
1600 static int wpas_qos_map_set(struct wpa_supplicant
*wpa_s
, const u8
*qos_map
,
1605 wpa_hexdump(MSG_DEBUG
, "Interworking: QoS Map Set", qos_map
, len
);
1606 res
= wpa_drv_set_qos_map(wpa_s
, qos_map
, len
);
1608 wpa_printf(MSG_DEBUG
, "Interworking: Failed to configure QoS Map Set to the driver");
1615 static void interworking_process_assoc_resp(struct wpa_supplicant
*wpa_s
,
1616 const u8
*ies
, size_t ies_len
)
1618 struct ieee802_11_elems elems
;
1623 if (ieee802_11_parse_elems(ies
, ies_len
, &elems
, 1) == ParseFailed
)
1626 if (elems
.qos_map_set
) {
1627 wpas_qos_map_set(wpa_s
, elems
.qos_map_set
,
1628 elems
.qos_map_set_len
);
1632 #endif /* CONFIG_INTERWORKING */
1635 static int wpa_supplicant_event_associnfo(struct wpa_supplicant
*wpa_s
,
1636 union wpa_event_data
*data
)
1638 int l
, len
, found
= 0, wpa_found
, rsn_found
;
1640 #ifdef CONFIG_IEEE80211R
1642 #endif /* CONFIG_IEEE80211R */
1644 wpa_dbg(wpa_s
, MSG_DEBUG
, "Association info event");
1645 if (data
->assoc_info
.req_ies
)
1646 wpa_hexdump(MSG_DEBUG
, "req_ies", data
->assoc_info
.req_ies
,
1647 data
->assoc_info
.req_ies_len
);
1648 if (data
->assoc_info
.resp_ies
) {
1649 wpa_hexdump(MSG_DEBUG
, "resp_ies", data
->assoc_info
.resp_ies
,
1650 data
->assoc_info
.resp_ies_len
);
1652 wpa_tdls_assoc_resp_ies(wpa_s
->wpa
, data
->assoc_info
.resp_ies
,
1653 data
->assoc_info
.resp_ies_len
);
1654 #endif /* CONFIG_TDLS */
1656 wnm_process_assoc_resp(wpa_s
, data
->assoc_info
.resp_ies
,
1657 data
->assoc_info
.resp_ies_len
);
1658 #endif /* CONFIG_WNM */
1659 #ifdef CONFIG_INTERWORKING
1660 interworking_process_assoc_resp(wpa_s
, data
->assoc_info
.resp_ies
,
1661 data
->assoc_info
.resp_ies_len
);
1662 #endif /* CONFIG_INTERWORKING */
1664 if (data
->assoc_info
.beacon_ies
)
1665 wpa_hexdump(MSG_DEBUG
, "beacon_ies",
1666 data
->assoc_info
.beacon_ies
,
1667 data
->assoc_info
.beacon_ies_len
);
1668 if (data
->assoc_info
.freq
)
1669 wpa_dbg(wpa_s
, MSG_DEBUG
, "freq=%u MHz",
1670 data
->assoc_info
.freq
);
1672 p
= data
->assoc_info
.req_ies
;
1673 l
= data
->assoc_info
.req_ies_len
;
1675 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1676 while (p
&& l
>= 2) {
1679 wpa_hexdump(MSG_DEBUG
, "Truncated IE in assoc_info",
1683 if ((p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 6 &&
1684 (os_memcmp(&p
[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1685 (p
[0] == WLAN_EID_RSN
&& p
[1] >= 2)) {
1686 if (wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, p
, len
))
1689 wpa_find_assoc_pmkid(wpa_s
);
1695 if (!found
&& data
->assoc_info
.req_ies
)
1696 wpa_sm_set_assoc_wpa_ie(wpa_s
->wpa
, NULL
, 0);
1698 #ifdef CONFIG_IEEE80211R
1700 if (wpa_s
->sme
.auth_alg
== WPA_AUTH_ALG_FT
) {
1701 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0 ||
1702 wpa_ft_validate_reassoc_resp(wpa_s
->wpa
,
1703 data
->assoc_info
.resp_ies
,
1704 data
->assoc_info
.resp_ies_len
,
1706 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Validation of "
1707 "Reassociation Response failed");
1708 wpa_supplicant_deauthenticate(
1709 wpa_s
, WLAN_REASON_INVALID_IE
);
1714 p
= data
->assoc_info
.resp_ies
;
1715 l
= data
->assoc_info
.resp_ies_len
;
1717 #ifdef CONFIG_WPS_STRICT
1718 if (p
&& wpa_s
->current_ssid
&&
1719 wpa_s
->current_ssid
->key_mgmt
== WPA_KEY_MGMT_WPS
) {
1721 wps
= ieee802_11_vendor_ie_concat(p
, l
, WPS_IE_VENDOR_TYPE
);
1723 wpa_msg(wpa_s
, MSG_INFO
, "WPS-STRICT: AP did not "
1724 "include WPS IE in (Re)Association Response");
1728 if (wps_validate_assoc_resp(wps
) < 0) {
1730 wpa_supplicant_deauthenticate(
1731 wpa_s
, WLAN_REASON_INVALID_IE
);
1736 #endif /* CONFIG_WPS_STRICT */
1738 /* Go through the IEs and make a copy of the MDIE, if present. */
1739 while (p
&& l
>= 2) {
1742 wpa_hexdump(MSG_DEBUG
, "Truncated IE in assoc_info",
1746 if (p
[0] == WLAN_EID_MOBILITY_DOMAIN
&&
1747 p
[1] >= MOBILITY_DOMAIN_ID_LEN
) {
1748 wpa_s
->sme
.ft_used
= 1;
1749 os_memcpy(wpa_s
->sme
.mobility_domain
, p
+ 2,
1750 MOBILITY_DOMAIN_ID_LEN
);
1756 #endif /* CONFIG_SME */
1758 /* Process FT when SME is in the driver */
1759 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
) &&
1760 wpa_ft_is_completed(wpa_s
->wpa
)) {
1761 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0 ||
1762 wpa_ft_validate_reassoc_resp(wpa_s
->wpa
,
1763 data
->assoc_info
.resp_ies
,
1764 data
->assoc_info
.resp_ies_len
,
1766 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Validation of "
1767 "Reassociation Response failed");
1768 wpa_supplicant_deauthenticate(
1769 wpa_s
, WLAN_REASON_INVALID_IE
);
1772 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Reassociation Response done");
1775 wpa_sm_set_ft_params(wpa_s
->wpa
, data
->assoc_info
.resp_ies
,
1776 data
->assoc_info
.resp_ies_len
);
1777 #endif /* CONFIG_IEEE80211R */
1779 /* WPA/RSN IE from Beacon/ProbeResp */
1780 p
= data
->assoc_info
.beacon_ies
;
1781 l
= data
->assoc_info
.beacon_ies_len
;
1783 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1785 wpa_found
= rsn_found
= 0;
1786 while (p
&& l
>= 2) {
1789 wpa_hexdump(MSG_DEBUG
, "Truncated IE in beacon_ies",
1794 p
[0] == WLAN_EID_VENDOR_SPECIFIC
&& p
[1] >= 6 &&
1795 os_memcmp(&p
[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1797 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, p
, len
);
1801 p
[0] == WLAN_EID_RSN
&& p
[1] >= 2) {
1803 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, p
, len
);
1810 if (!wpa_found
&& data
->assoc_info
.beacon_ies
)
1811 wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, NULL
, 0);
1812 if (!rsn_found
&& data
->assoc_info
.beacon_ies
)
1813 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, NULL
, 0);
1814 if (wpa_found
|| rsn_found
)
1815 wpa_s
->ap_ies_from_associnfo
= 1;
1817 if (wpa_s
->assoc_freq
&& data
->assoc_info
.freq
&&
1818 wpa_s
->assoc_freq
!= data
->assoc_info
.freq
) {
1819 wpa_printf(MSG_DEBUG
, "Operating frequency changed from "
1821 wpa_s
->assoc_freq
, data
->assoc_info
.freq
);
1822 wpa_supplicant_update_scan_results(wpa_s
);
1825 wpa_s
->assoc_freq
= data
->assoc_info
.freq
;
1831 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant
*wpa_s
)
1833 const u8
*bss_wpa
= NULL
, *bss_rsn
= NULL
;
1835 if (!wpa_s
->current_bss
|| !wpa_s
->current_ssid
)
1838 if (!wpa_key_mgmt_wpa_any(wpa_s
->current_ssid
->key_mgmt
))
1841 bss_wpa
= wpa_bss_get_vendor_ie(wpa_s
->current_bss
,
1842 WPA_IE_VENDOR_TYPE
);
1843 bss_rsn
= wpa_bss_get_ie(wpa_s
->current_bss
, WLAN_EID_RSN
);
1845 if (wpa_sm_set_ap_wpa_ie(wpa_s
->wpa
, bss_wpa
,
1846 bss_wpa
? 2 + bss_wpa
[1] : 0) ||
1847 wpa_sm_set_ap_rsn_ie(wpa_s
->wpa
, bss_rsn
,
1848 bss_rsn
? 2 + bss_rsn
[1] : 0))
1855 static void wpa_supplicant_event_assoc(struct wpa_supplicant
*wpa_s
,
1856 union wpa_event_data
*data
)
1862 if (wpa_s
->ap_iface
) {
1865 hostapd_notif_assoc(wpa_s
->ap_iface
->bss
[0],
1866 data
->assoc_info
.addr
,
1867 data
->assoc_info
.req_ies
,
1868 data
->assoc_info
.req_ies_len
,
1869 data
->assoc_info
.reassoc
);
1872 #endif /* CONFIG_AP */
1874 ft_completed
= wpa_ft_is_completed(wpa_s
->wpa
);
1875 if (data
&& wpa_supplicant_event_associnfo(wpa_s
, data
) < 0)
1878 if (wpa_drv_get_bssid(wpa_s
, bssid
) < 0) {
1879 wpa_dbg(wpa_s
, MSG_ERROR
, "Failed to get BSSID");
1880 wpa_supplicant_deauthenticate(
1881 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1885 wpa_supplicant_set_state(wpa_s
, WPA_ASSOCIATED
);
1886 if (os_memcmp(bssid
, wpa_s
->bssid
, ETH_ALEN
) != 0) {
1887 wpa_dbg(wpa_s
, MSG_DEBUG
, "Associated to a new BSS: BSSID="
1888 MACSTR
, MAC2STR(bssid
));
1889 random_add_randomness(bssid
, ETH_ALEN
);
1890 os_memcpy(wpa_s
->bssid
, bssid
, ETH_ALEN
);
1891 os_memset(wpa_s
->pending_bssid
, 0, ETH_ALEN
);
1892 wpas_notify_bssid_changed(wpa_s
);
1894 if (wpa_supplicant_dynamic_keys(wpa_s
) && !ft_completed
) {
1895 wpa_clear_keys(wpa_s
, bssid
);
1897 if (wpa_supplicant_select_config(wpa_s
) < 0) {
1898 wpa_supplicant_deauthenticate(
1899 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
1903 if (wpa_s
->conf
->ap_scan
== 1 &&
1904 wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_BSS_SELECTION
) {
1905 if (wpa_supplicant_assoc_update_ie(wpa_s
) < 0)
1906 wpa_msg(wpa_s
, MSG_WARNING
,
1907 "WPA/RSN IEs not updated");
1912 os_memcpy(wpa_s
->sme
.prev_bssid
, bssid
, ETH_ALEN
);
1913 wpa_s
->sme
.prev_bssid_set
= 1;
1914 wpa_s
->sme
.last_unprot_disconnect
.sec
= 0;
1915 #endif /* CONFIG_SME */
1917 wpa_msg(wpa_s
, MSG_INFO
, "Associated with " MACSTR
, MAC2STR(bssid
));
1918 if (wpa_s
->current_ssid
) {
1919 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1920 * initialized before association, but for other modes,
1921 * initialize PC/SC here, if the current configuration needs
1922 * smartcard or SIM/USIM. */
1923 wpa_supplicant_scard_init(wpa_s
, wpa_s
->current_ssid
);
1925 wpa_sm_notify_assoc(wpa_s
->wpa
, bssid
);
1927 l2_packet_notify_auth_start(wpa_s
->l2
);
1930 * Set portEnabled first to FALSE in order to get EAP state machine out
1931 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1932 * state machine may transit to AUTHENTICATING state based on obsolete
1933 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1934 * AUTHENTICATED without ever giving chance to EAP state machine to
1937 if (!ft_completed
) {
1938 eapol_sm_notify_portEnabled(wpa_s
->eapol
, FALSE
);
1939 eapol_sm_notify_portValid(wpa_s
->eapol
, FALSE
);
1941 if (wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
) || ft_completed
)
1942 eapol_sm_notify_eap_success(wpa_s
->eapol
, FALSE
);
1943 /* 802.1X::portControl = Auto */
1944 eapol_sm_notify_portEnabled(wpa_s
->eapol
, TRUE
);
1945 wpa_s
->eapol_received
= 0;
1946 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
1947 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
||
1948 (wpa_s
->current_ssid
&&
1949 wpa_s
->current_ssid
->mode
== IEEE80211_MODE_IBSS
)) {
1950 if (wpa_s
->current_ssid
&&
1951 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
&&
1953 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE
)) {
1955 * Set the key after having received joined-IBSS event
1958 wpa_supplicant_set_wpa_none_key(wpa_s
,
1959 wpa_s
->current_ssid
);
1961 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1962 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1963 } else if (!ft_completed
) {
1964 /* Timeout for receiving the first EAPOL packet */
1965 wpa_supplicant_req_auth_timeout(wpa_s
, 10, 0);
1967 wpa_supplicant_cancel_scan(wpa_s
);
1969 if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
1970 wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
)) {
1972 * We are done; the driver will take care of RSN 4-way
1975 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1976 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1977 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
1978 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
1979 } else if ((wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_4WAY_HANDSHAKE
) &&
1980 wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
)) {
1982 * The driver will take care of RSN 4-way handshake, so we need
1983 * to allow EAPOL supplicant to complete its work without
1984 * waiting for WPA supplicant.
1986 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
1987 } else if (ft_completed
) {
1989 * FT protocol completed - make sure EAPOL state machine ends
1990 * up in authenticated.
1992 wpa_supplicant_cancel_auth_timeout(wpa_s
);
1993 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
1994 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
1995 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
1998 wpa_s
->last_eapol_matches_bssid
= 0;
2000 if (wpa_s
->pending_eapol_rx
) {
2001 struct os_reltime now
, age
;
2002 os_get_reltime(&now
);
2003 os_reltime_sub(&now
, &wpa_s
->pending_eapol_rx_time
, &age
);
2004 if (age
.sec
== 0 && age
.usec
< 100000 &&
2005 os_memcmp(wpa_s
->pending_eapol_rx_src
, bssid
, ETH_ALEN
) ==
2007 wpa_dbg(wpa_s
, MSG_DEBUG
, "Process pending EAPOL "
2008 "frame that was received just before "
2009 "association notification");
2010 wpa_supplicant_rx_eapol(
2011 wpa_s
, wpa_s
->pending_eapol_rx_src
,
2012 wpabuf_head(wpa_s
->pending_eapol_rx
),
2013 wpabuf_len(wpa_s
->pending_eapol_rx
));
2015 wpabuf_free(wpa_s
->pending_eapol_rx
);
2016 wpa_s
->pending_eapol_rx
= NULL
;
2019 if ((wpa_s
->key_mgmt
== WPA_KEY_MGMT_NONE
||
2020 wpa_s
->key_mgmt
== WPA_KEY_MGMT_IEEE8021X_NO_WPA
) &&
2021 wpa_s
->current_ssid
&&
2022 (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE
)) {
2023 /* Set static WEP keys again */
2024 wpa_set_wep_keys(wpa_s
, wpa_s
->current_ssid
);
2027 #ifdef CONFIG_IBSS_RSN
2028 if (wpa_s
->current_ssid
&&
2029 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
&&
2030 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_NONE
&&
2031 wpa_s
->key_mgmt
!= WPA_KEY_MGMT_WPA_NONE
&&
2032 wpa_s
->ibss_rsn
== NULL
) {
2033 wpa_s
->ibss_rsn
= ibss_rsn_init(wpa_s
);
2034 if (!wpa_s
->ibss_rsn
) {
2035 wpa_msg(wpa_s
, MSG_INFO
, "Failed to init IBSS RSN");
2036 wpa_supplicant_deauthenticate(
2037 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
);
2041 ibss_rsn_set_psk(wpa_s
->ibss_rsn
, wpa_s
->current_ssid
->psk
);
2043 #endif /* CONFIG_IBSS_RSN */
2045 wpas_wps_notify_assoc(wpa_s
, bssid
);
2048 wmm_ac_notify_assoc(wpa_s
, data
->assoc_info
.resp_ies
,
2049 data
->assoc_info
.resp_ies_len
,
2050 &data
->assoc_info
.wmm_params
);
2055 static int disconnect_reason_recoverable(u16 reason_code
)
2057 return reason_code
== WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY
||
2058 reason_code
== WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA
||
2059 reason_code
== WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA
;
2063 static void wpa_supplicant_event_disassoc(struct wpa_supplicant
*wpa_s
,
2065 int locally_generated
)
2069 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2071 * At least Host AP driver and a Prism3 card seemed to be
2072 * generating streams of disconnected events when configuring
2073 * IBSS for WPA-None. Ignore them for now.
2078 bssid
= wpa_s
->bssid
;
2079 if (is_zero_ether_addr(bssid
))
2080 bssid
= wpa_s
->pending_bssid
;
2082 if (!is_zero_ether_addr(bssid
) ||
2083 wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
2084 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_DISCONNECTED
"bssid=" MACSTR
2086 MAC2STR(bssid
), reason_code
,
2087 locally_generated
? " locally_generated=1" : "");
2092 static int could_be_psk_mismatch(struct wpa_supplicant
*wpa_s
, u16 reason_code
,
2093 int locally_generated
)
2095 if (wpa_s
->wpa_state
!= WPA_4WAY_HANDSHAKE
||
2096 !wpa_key_mgmt_wpa_psk(wpa_s
->key_mgmt
))
2097 return 0; /* Not in 4-way handshake with PSK */
2100 * It looks like connection was lost while trying to go through PSK
2101 * 4-way handshake. Filter out known disconnection cases that are caused
2102 * by something else than PSK mismatch to avoid confusing reports.
2105 if (locally_generated
) {
2106 if (reason_code
== WLAN_REASON_IE_IN_4WAY_DIFFERS
)
2114 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant
*wpa_s
,
2116 int locally_generated
)
2120 u8 prev_pending_bssid
[ETH_ALEN
];
2121 struct wpa_bss
*fast_reconnect
= NULL
;
2122 struct wpa_ssid
*fast_reconnect_ssid
= NULL
;
2123 struct wpa_ssid
*last_ssid
;
2125 authenticating
= wpa_s
->wpa_state
== WPA_AUTHENTICATING
;
2126 os_memcpy(prev_pending_bssid
, wpa_s
->pending_bssid
, ETH_ALEN
);
2128 if (wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPA_NONE
) {
2130 * At least Host AP driver and a Prism3 card seemed to be
2131 * generating streams of disconnected events when configuring
2132 * IBSS for WPA-None. Ignore them for now.
2134 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disconnect event - ignore in "
2135 "IBSS/WPA-None mode");
2139 wmm_ac_notify_disassoc(wpa_s
);
2141 if (could_be_psk_mismatch(wpa_s
, reason_code
, locally_generated
)) {
2142 wpa_msg(wpa_s
, MSG_INFO
, "WPA: 4-Way Handshake failed - "
2143 "pre-shared key may be incorrect");
2144 if (wpas_p2p_4way_hs_failed(wpa_s
) > 0)
2145 return; /* P2P group removed */
2146 wpas_auth_failed(wpa_s
, "WRONG_KEY");
2148 if (!wpa_s
->disconnected
&&
2149 (!wpa_s
->auto_reconnect_disabled
||
2150 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
||
2151 wpas_wps_searching(wpa_s
))) {
2152 wpa_dbg(wpa_s
, MSG_DEBUG
, "Auto connect enabled: try to "
2153 "reconnect (wps=%d/%d wpa_state=%d)",
2154 wpa_s
->key_mgmt
== WPA_KEY_MGMT_WPS
,
2155 wpas_wps_searching(wpa_s
),
2157 if (wpa_s
->wpa_state
== WPA_COMPLETED
&&
2158 wpa_s
->current_ssid
&&
2159 wpa_s
->current_ssid
->mode
== WPAS_MODE_INFRA
&&
2160 !locally_generated
&&
2161 disconnect_reason_recoverable(reason_code
)) {
2163 * It looks like the AP has dropped association with
2164 * us, but could allow us to get back in. Try to
2165 * reconnect to the same BSS without full scan to save
2166 * time for some common cases.
2168 fast_reconnect
= wpa_s
->current_bss
;
2169 fast_reconnect_ssid
= wpa_s
->current_ssid
;
2170 } else if (wpa_s
->wpa_state
>= WPA_ASSOCIATING
)
2171 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
2173 wpa_dbg(wpa_s
, MSG_DEBUG
, "Do not request new "
2176 wpa_dbg(wpa_s
, MSG_DEBUG
, "Auto connect disabled: do not "
2177 "try to re-connect");
2178 wpa_s
->reassociate
= 0;
2179 wpa_s
->disconnected
= 1;
2180 wpa_supplicant_cancel_sched_scan(wpa_s
);
2182 bssid
= wpa_s
->bssid
;
2183 if (is_zero_ether_addr(bssid
))
2184 bssid
= wpa_s
->pending_bssid
;
2185 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
)
2186 wpas_connection_failed(wpa_s
, bssid
);
2187 wpa_sm_notify_disassoc(wpa_s
->wpa
);
2188 if (locally_generated
)
2189 wpa_s
->disconnect_reason
= -reason_code
;
2191 wpa_s
->disconnect_reason
= reason_code
;
2192 wpas_notify_disconnect_reason(wpa_s
);
2193 if (wpa_supplicant_dynamic_keys(wpa_s
)) {
2194 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disconnect event - remove keys");
2195 wpa_clear_keys(wpa_s
, wpa_s
->bssid
);
2197 last_ssid
= wpa_s
->current_ssid
;
2198 wpa_supplicant_mark_disassoc(wpa_s
);
2200 if (authenticating
&& (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)) {
2201 sme_disassoc_while_authenticating(wpa_s
, prev_pending_bssid
);
2202 wpa_s
->current_ssid
= last_ssid
;
2205 if (fast_reconnect
&&
2206 !wpas_network_disabled(wpa_s
, fast_reconnect_ssid
) &&
2207 !disallowed_bssid(wpa_s
, fast_reconnect
->bssid
) &&
2208 !disallowed_ssid(wpa_s
, fast_reconnect
->ssid
,
2209 fast_reconnect
->ssid_len
) &&
2210 !wpas_temp_disabled(wpa_s
, fast_reconnect_ssid
)) {
2211 #ifndef CONFIG_NO_SCAN_PROCESSING
2212 wpa_dbg(wpa_s
, MSG_DEBUG
, "Try to reconnect to the same BSS");
2213 if (wpa_supplicant_connect(wpa_s
, fast_reconnect
,
2214 fast_reconnect_ssid
) < 0) {
2215 /* Recover through full scan */
2216 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
2218 #endif /* CONFIG_NO_SCAN_PROCESSING */
2219 } else if (fast_reconnect
) {
2221 * Could not reconnect to the same BSS due to network being
2222 * disabled. Use a new scan to match the alternative behavior
2223 * above, i.e., to continue automatic reconnection attempt in a
2224 * way that enforces disabled network rules.
2226 wpa_supplicant_req_scan(wpa_s
, 0, 100000);
2231 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2232 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx
, void *sock_ctx
)
2234 struct wpa_supplicant
*wpa_s
= eloop_ctx
;
2236 if (!wpa_s
->pending_mic_error_report
)
2239 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Sending pending MIC error report");
2240 wpa_sm_key_request(wpa_s
->wpa
, 1, wpa_s
->pending_mic_error_pairwise
);
2241 wpa_s
->pending_mic_error_report
= 0;
2243 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2247 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant
*wpa_s
,
2248 union wpa_event_data
*data
)
2251 struct os_reltime t
;
2253 wpa_msg(wpa_s
, MSG_WARNING
, "Michael MIC failure detected");
2254 pairwise
= (data
&& data
->michael_mic_failure
.unicast
);
2256 if ((wpa_s
->last_michael_mic_error
.sec
&&
2257 !os_reltime_expired(&t
, &wpa_s
->last_michael_mic_error
, 60)) ||
2258 wpa_s
->pending_mic_error_report
) {
2259 if (wpa_s
->pending_mic_error_report
) {
2261 * Send the pending MIC error report immediately since
2262 * we are going to start countermeasures and AP better
2265 wpa_sm_key_request(wpa_s
->wpa
, 1,
2266 wpa_s
->pending_mic_error_pairwise
);
2269 /* Send the new MIC error report immediately since we are going
2270 * to start countermeasures and AP better do the same.
2272 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
2274 /* initialize countermeasures */
2275 wpa_s
->countermeasures
= 1;
2277 wpa_blacklist_add(wpa_s
, wpa_s
->bssid
);
2279 wpa_msg(wpa_s
, MSG_WARNING
, "TKIP countermeasures started");
2282 * Need to wait for completion of request frame. We do not get
2283 * any callback for the message completion, so just wait a
2284 * short while and hope for the best. */
2287 wpa_drv_set_countermeasures(wpa_s
, 1);
2288 wpa_supplicant_deauthenticate(wpa_s
,
2289 WLAN_REASON_MICHAEL_MIC_FAILURE
);
2290 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures
,
2292 eloop_register_timeout(60, 0,
2293 wpa_supplicant_stop_countermeasures
,
2295 /* TODO: mark the AP rejected for 60 second. STA is
2296 * allowed to associate with another AP.. */
2298 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2299 if (wpa_s
->mic_errors_seen
) {
2301 * Reduce the effectiveness of Michael MIC error
2302 * reports as a means for attacking against TKIP if
2303 * more than one MIC failure is noticed with the same
2304 * PTK. We delay the transmission of the reports by a
2305 * random time between 0 and 60 seconds in order to
2306 * force the attacker wait 60 seconds before getting
2307 * the information on whether a frame resulted in a MIC
2313 if (os_get_random(rval
, sizeof(rval
)) < 0)
2314 sec
= os_random() % 60;
2316 sec
= WPA_GET_BE32(rval
) % 60;
2317 wpa_dbg(wpa_s
, MSG_DEBUG
, "WPA: Delay MIC error "
2318 "report %d seconds", sec
);
2319 wpa_s
->pending_mic_error_report
= 1;
2320 wpa_s
->pending_mic_error_pairwise
= pairwise
;
2321 eloop_cancel_timeout(
2322 wpa_supplicant_delayed_mic_error_report
,
2324 eloop_register_timeout(
2325 sec
, os_random() % 1000000,
2326 wpa_supplicant_delayed_mic_error_report
,
2329 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
2331 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2332 wpa_sm_key_request(wpa_s
->wpa
, 1, pairwise
);
2333 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2335 wpa_s
->last_michael_mic_error
= t
;
2336 wpa_s
->mic_errors_seen
++;
2340 #ifdef CONFIG_TERMINATE_ONLASTIF
2341 static int any_interfaces(struct wpa_supplicant
*head
)
2343 struct wpa_supplicant
*wpa_s
;
2345 for (wpa_s
= head
; wpa_s
!= NULL
; wpa_s
= wpa_s
->next
)
2346 if (!wpa_s
->interface_removed
)
2350 #endif /* CONFIG_TERMINATE_ONLASTIF */
2354 wpa_supplicant_event_interface_status(struct wpa_supplicant
*wpa_s
,
2355 union wpa_event_data
*data
)
2357 if (os_strcmp(wpa_s
->ifname
, data
->interface_status
.ifname
) != 0)
2360 switch (data
->interface_status
.ievent
) {
2361 case EVENT_INTERFACE_ADDED
:
2362 if (!wpa_s
->interface_removed
)
2364 wpa_s
->interface_removed
= 0;
2365 wpa_dbg(wpa_s
, MSG_DEBUG
, "Configured interface was added");
2366 if (wpa_supplicant_driver_init(wpa_s
) < 0) {
2367 wpa_msg(wpa_s
, MSG_INFO
, "Failed to initialize the "
2368 "driver after interface was added");
2371 case EVENT_INTERFACE_REMOVED
:
2372 wpa_dbg(wpa_s
, MSG_DEBUG
, "Configured interface was removed");
2373 wpa_s
->interface_removed
= 1;
2374 wpa_supplicant_mark_disassoc(wpa_s
);
2375 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
2376 l2_packet_deinit(wpa_s
->l2
);
2378 #ifdef CONFIG_TERMINATE_ONLASTIF
2379 /* check if last interface */
2380 if (!any_interfaces(wpa_s
->global
->ifaces
))
2382 #endif /* CONFIG_TERMINATE_ONLASTIF */
2388 #ifdef CONFIG_PEERKEY
2390 wpa_supplicant_event_stkstart(struct wpa_supplicant
*wpa_s
,
2391 union wpa_event_data
*data
)
2395 wpa_sm_stkstart(wpa_s
->wpa
, data
->stkstart
.peer
);
2397 #endif /* CONFIG_PEERKEY */
2401 static void wpa_supplicant_event_tdls(struct wpa_supplicant
*wpa_s
,
2402 union wpa_event_data
*data
)
2406 switch (data
->tdls
.oper
) {
2407 case TDLS_REQUEST_SETUP
:
2408 wpa_tdls_remove(wpa_s
->wpa
, data
->tdls
.peer
);
2409 if (wpa_tdls_is_external_setup(wpa_s
->wpa
))
2410 wpa_tdls_start(wpa_s
->wpa
, data
->tdls
.peer
);
2412 wpa_drv_tdls_oper(wpa_s
, TDLS_SETUP
, data
->tdls
.peer
);
2414 case TDLS_REQUEST_TEARDOWN
:
2415 if (wpa_tdls_is_external_setup(wpa_s
->wpa
))
2416 wpa_tdls_teardown_link(wpa_s
->wpa
, data
->tdls
.peer
,
2417 data
->tdls
.reason_code
);
2419 wpa_drv_tdls_oper(wpa_s
, TDLS_TEARDOWN
,
2424 #endif /* CONFIG_TDLS */
2428 static void wpa_supplicant_event_wnm(struct wpa_supplicant
*wpa_s
,
2429 union wpa_event_data
*data
)
2433 switch (data
->wnm
.oper
) {
2434 case WNM_OPER_SLEEP
:
2435 wpa_printf(MSG_DEBUG
, "Start sending WNM-Sleep Request "
2436 "(action=%d, intval=%d)",
2437 data
->wnm
.sleep_action
, data
->wnm
.sleep_intval
);
2438 ieee802_11_send_wnmsleep_req(wpa_s
, data
->wnm
.sleep_action
,
2439 data
->wnm
.sleep_intval
, NULL
);
2443 #endif /* CONFIG_WNM */
2446 #ifdef CONFIG_IEEE80211R
2448 wpa_supplicant_event_ft_response(struct wpa_supplicant
*wpa_s
,
2449 union wpa_event_data
*data
)
2454 if (wpa_ft_process_response(wpa_s
->wpa
, data
->ft_ies
.ies
,
2455 data
->ft_ies
.ies_len
,
2456 data
->ft_ies
.ft_action
,
2457 data
->ft_ies
.target_ap
,
2458 data
->ft_ies
.ric_ies
,
2459 data
->ft_ies
.ric_ies_len
) < 0) {
2460 /* TODO: prevent MLME/driver from trying to associate? */
2463 #endif /* CONFIG_IEEE80211R */
2466 #ifdef CONFIG_IBSS_RSN
2467 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant
*wpa_s
,
2468 union wpa_event_data
*data
)
2470 struct wpa_ssid
*ssid
;
2471 if (wpa_s
->wpa_state
< WPA_ASSOCIATED
)
2475 ssid
= wpa_s
->current_ssid
;
2478 if (ssid
->mode
!= WPAS_MODE_IBSS
|| !wpa_key_mgmt_wpa(ssid
->key_mgmt
))
2481 ibss_rsn_start(wpa_s
->ibss_rsn
, data
->ibss_rsn_start
.peer
);
2485 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant
*wpa_s
,
2486 union wpa_event_data
*data
)
2488 struct wpa_ssid
*ssid
= wpa_s
->current_ssid
;
2493 /* check if the ssid is correctly configured as IBSS/RSN */
2494 if (ssid
->mode
!= WPAS_MODE_IBSS
|| !wpa_key_mgmt_wpa(ssid
->key_mgmt
))
2497 ibss_rsn_handle_auth(wpa_s
->ibss_rsn
, data
->rx_mgmt
.frame
,
2498 data
->rx_mgmt
.frame_len
);
2500 #endif /* CONFIG_IBSS_RSN */
2503 #ifdef CONFIG_IEEE80211R
2504 static void ft_rx_action(struct wpa_supplicant
*wpa_s
, const u8
*data
,
2507 const u8
*sta_addr
, *target_ap_addr
;
2510 wpa_hexdump(MSG_MSGDUMP
, "FT: RX Action", data
, len
);
2511 if (!(wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
))
2512 return; /* only SME case supported for now */
2513 if (len
< 1 + 2 * ETH_ALEN
+ 2)
2516 return; /* Only FT Action Response is supported for now */
2517 sta_addr
= data
+ 1;
2518 target_ap_addr
= data
+ 1 + ETH_ALEN
;
2519 status
= WPA_GET_LE16(data
+ 1 + 2 * ETH_ALEN
);
2520 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Received FT Action Response: STA "
2521 MACSTR
" TargetAP " MACSTR
" status %u",
2522 MAC2STR(sta_addr
), MAC2STR(target_ap_addr
), status
);
2524 if (os_memcmp(sta_addr
, wpa_s
->own_addr
, ETH_ALEN
) != 0) {
2525 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: Foreign STA Address " MACSTR
2526 " in FT Action Response", MAC2STR(sta_addr
));
2531 wpa_dbg(wpa_s
, MSG_DEBUG
, "FT: FT Action Response indicates "
2532 "failure (status code %d)", status
);
2533 /* TODO: report error to FT code(?) */
2537 if (wpa_ft_process_response(wpa_s
->wpa
, data
+ 1 + 2 * ETH_ALEN
+ 2,
2538 len
- (1 + 2 * ETH_ALEN
+ 2), 1,
2539 target_ap_addr
, NULL
, 0) < 0)
2544 struct wpa_bss
*bss
;
2545 bss
= wpa_bss_get_bssid(wpa_s
, target_ap_addr
);
2547 wpa_s
->sme
.freq
= bss
->freq
;
2548 wpa_s
->sme
.auth_alg
= WPA_AUTH_ALG_FT
;
2549 sme_associate(wpa_s
, WPAS_MODE_INFRA
, target_ap_addr
,
2552 #endif /* CONFIG_SME */
2554 #endif /* CONFIG_IEEE80211R */
2557 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant
*wpa_s
,
2558 struct unprot_deauth
*e
)
2560 #ifdef CONFIG_IEEE80211W
2561 wpa_printf(MSG_DEBUG
, "Unprotected Deauthentication frame "
2562 "dropped: " MACSTR
" -> " MACSTR
2563 " (reason code %u)",
2564 MAC2STR(e
->sa
), MAC2STR(e
->da
), e
->reason_code
);
2565 sme_event_unprot_disconnect(wpa_s
, e
->sa
, e
->da
, e
->reason_code
);
2566 #endif /* CONFIG_IEEE80211W */
2570 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant
*wpa_s
,
2571 struct unprot_disassoc
*e
)
2573 #ifdef CONFIG_IEEE80211W
2574 wpa_printf(MSG_DEBUG
, "Unprotected Disassociation frame "
2575 "dropped: " MACSTR
" -> " MACSTR
2576 " (reason code %u)",
2577 MAC2STR(e
->sa
), MAC2STR(e
->da
), e
->reason_code
);
2578 sme_event_unprot_disconnect(wpa_s
, e
->sa
, e
->da
, e
->reason_code
);
2579 #endif /* CONFIG_IEEE80211W */
2583 static void wpas_event_disconnect(struct wpa_supplicant
*wpa_s
, const u8
*addr
,
2584 u16 reason_code
, int locally_generated
,
2585 const u8
*ie
, size_t ie_len
, int deauth
)
2588 if (wpa_s
->ap_iface
&& addr
) {
2589 hostapd_notif_disassoc(wpa_s
->ap_iface
->bss
[0], addr
);
2593 if (wpa_s
->ap_iface
) {
2594 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore deauth event in AP mode");
2597 #endif /* CONFIG_AP */
2599 wpa_supplicant_event_disassoc(wpa_s
, reason_code
, locally_generated
);
2601 if (((reason_code
== WLAN_REASON_IEEE_802_1X_AUTH_FAILED
||
2602 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s
->key_mgmt
) ||
2603 (wpa_s
->key_mgmt
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
)) &&
2604 eapol_sm_failed(wpa_s
->eapol
))) &&
2605 !wpa_s
->eap_expected_failure
))
2606 wpas_auth_failed(wpa_s
, "AUTH_FAILED");
2609 if (deauth
&& reason_code
> 0) {
2610 if (wpas_p2p_deauth_notif(wpa_s
, addr
, reason_code
, ie
, ie_len
,
2611 locally_generated
) > 0) {
2613 * The interface was removed, so cannot continue
2614 * processing any additional operations after this.
2619 #endif /* CONFIG_P2P */
2621 wpa_supplicant_event_disassoc_finish(wpa_s
, reason_code
,
2626 static void wpas_event_disassoc(struct wpa_supplicant
*wpa_s
,
2627 struct disassoc_info
*info
)
2629 u16 reason_code
= 0;
2630 int locally_generated
= 0;
2631 const u8
*addr
= NULL
;
2632 const u8
*ie
= NULL
;
2635 wpa_dbg(wpa_s
, MSG_DEBUG
, "Disassociation notification");
2640 ie_len
= info
->ie_len
;
2641 reason_code
= info
->reason_code
;
2642 locally_generated
= info
->locally_generated
;
2643 wpa_dbg(wpa_s
, MSG_DEBUG
, " * reason %u%s", reason_code
,
2644 locally_generated
? " (locally generated)" : "");
2646 wpa_dbg(wpa_s
, MSG_DEBUG
, " * address " MACSTR
,
2648 wpa_hexdump(MSG_DEBUG
, "Disassociation frame IE(s)",
2653 if (wpa_s
->ap_iface
&& info
&& info
->addr
) {
2654 hostapd_notif_disassoc(wpa_s
->ap_iface
->bss
[0], info
->addr
);
2658 if (wpa_s
->ap_iface
) {
2659 wpa_dbg(wpa_s
, MSG_DEBUG
, "Ignore disassoc event in AP mode");
2662 #endif /* CONFIG_AP */
2666 wpas_p2p_disassoc_notif(
2667 wpa_s
, info
->addr
, reason_code
, info
->ie
, info
->ie_len
,
2670 #endif /* CONFIG_P2P */
2672 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
2673 sme_event_disassoc(wpa_s
, info
);
2675 wpas_event_disconnect(wpa_s
, addr
, reason_code
, locally_generated
,
2680 static void wpas_event_deauth(struct wpa_supplicant
*wpa_s
,
2681 struct deauth_info
*info
)
2683 u16 reason_code
= 0;
2684 int locally_generated
= 0;
2685 const u8
*addr
= NULL
;
2686 const u8
*ie
= NULL
;
2689 wpa_dbg(wpa_s
, MSG_DEBUG
, "Deauthentication notification");
2694 ie_len
= info
->ie_len
;
2695 reason_code
= info
->reason_code
;
2696 locally_generated
= info
->locally_generated
;
2697 wpa_dbg(wpa_s
, MSG_DEBUG
, " * reason %u%s",
2699 locally_generated
? " (locally generated)" : "");
2701 wpa_dbg(wpa_s
, MSG_DEBUG
, " * address " MACSTR
,
2704 wpa_hexdump(MSG_DEBUG
, "Deauthentication frame IE(s)",
2708 wpa_reset_ft_completed(wpa_s
->wpa
);
2710 wpas_event_disconnect(wpa_s
, addr
, reason_code
,
2711 locally_generated
, ie
, ie_len
, 1);
2715 static const char * reg_init_str(enum reg_change_initiator init
)
2718 case REGDOM_SET_BY_CORE
:
2720 case REGDOM_SET_BY_USER
:
2722 case REGDOM_SET_BY_DRIVER
:
2724 case REGDOM_SET_BY_COUNTRY_IE
:
2725 return "COUNTRY_IE";
2726 case REGDOM_BEACON_HINT
:
2727 return "BEACON_HINT";
2733 static const char * reg_type_str(enum reg_type type
)
2736 case REGDOM_TYPE_UNKNOWN
:
2738 case REGDOM_TYPE_COUNTRY
:
2740 case REGDOM_TYPE_WORLD
:
2742 case REGDOM_TYPE_CUSTOM_WORLD
:
2743 return "CUSTOM_WORLD";
2744 case REGDOM_TYPE_INTERSECTION
:
2745 return "INTERSECTION";
2751 static void wpa_supplicant_update_channel_list(
2752 struct wpa_supplicant
*wpa_s
, struct channel_list_changed
*info
)
2754 struct wpa_supplicant
*ifs
;
2756 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_REGDOM_CHANGE
"init=%s type=%s%s%s",
2757 reg_init_str(info
->initiator
), reg_type_str(info
->type
),
2758 info
->alpha2
[0] ? " alpha2=" : "",
2759 info
->alpha2
[0] ? info
->alpha2
: "");
2761 if (wpa_s
->drv_priv
== NULL
)
2762 return; /* Ignore event during drv initialization */
2764 free_hw_features(wpa_s
);
2765 wpa_s
->hw
.modes
= wpa_drv_get_hw_feature_data(
2766 wpa_s
, &wpa_s
->hw
.num_modes
, &wpa_s
->hw
.flags
);
2768 wpas_p2p_update_channel_list(wpa_s
);
2771 * Check other interfaces to see if they share the same radio. If
2772 * so, they get updated with this same hw mode info.
2774 dl_list_for_each(ifs
, &wpa_s
->radio
->ifaces
, struct wpa_supplicant
,
2777 wpa_printf(MSG_DEBUG
, "%s: Updating hw mode",
2779 free_hw_features(ifs
);
2780 ifs
->hw
.modes
= wpa_drv_get_hw_feature_data(
2781 ifs
, &ifs
->hw
.num_modes
, &ifs
->hw
.flags
);
2787 static void wpas_event_rx_mgmt_action(struct wpa_supplicant
*wpa_s
,
2788 const u8
*frame
, size_t len
, int freq
,
2791 const struct ieee80211_mgmt
*mgmt
;
2796 if (len
< IEEE80211_HDRLEN
+ 2)
2799 mgmt
= (const struct ieee80211_mgmt
*) frame
;
2800 payload
= frame
+ IEEE80211_HDRLEN
;
2801 category
= *payload
++;
2802 plen
= len
- IEEE80211_HDRLEN
- 1;
2804 wpa_dbg(wpa_s
, MSG_DEBUG
, "Received Action frame: SA=" MACSTR
2805 " Category=%u DataLen=%d freq=%d MHz",
2806 MAC2STR(mgmt
->sa
), category
, (int) plen
, freq
);
2808 if (category
== WLAN_ACTION_WMM
) {
2809 wmm_ac_rx_action(wpa_s
, mgmt
->da
, mgmt
->sa
, payload
, plen
);
2813 #ifdef CONFIG_IEEE80211R
2814 if (category
== WLAN_ACTION_FT
) {
2815 ft_rx_action(wpa_s
, payload
, plen
);
2818 #endif /* CONFIG_IEEE80211R */
2820 #ifdef CONFIG_IEEE80211W
2822 if (category
== WLAN_ACTION_SA_QUERY
) {
2823 sme_sa_query_rx(wpa_s
, mgmt
->sa
, payload
, plen
);
2826 #endif /* CONFIG_SME */
2827 #endif /* CONFIG_IEEE80211W */
2830 if (mgmt
->u
.action
.category
== WLAN_ACTION_WNM
) {
2831 ieee802_11_rx_wnm_action(wpa_s
, mgmt
, len
);
2834 #endif /* CONFIG_WNM */
2837 if ((mgmt
->u
.action
.category
== WLAN_ACTION_PUBLIC
||
2838 mgmt
->u
.action
.category
== WLAN_ACTION_PROTECTED_DUAL
) &&
2839 gas_query_rx(wpa_s
->gas
, mgmt
->da
, mgmt
->sa
, mgmt
->bssid
,
2840 mgmt
->u
.action
.category
,
2841 payload
, plen
, freq
) == 0)
2843 #endif /* CONFIG_GAS */
2846 if (category
== WLAN_ACTION_PUBLIC
&& plen
>= 4 &&
2847 payload
[0] == WLAN_TDLS_DISCOVERY_RESPONSE
) {
2848 wpa_dbg(wpa_s
, MSG_DEBUG
,
2849 "TDLS: Received Discovery Response from " MACSTR
,
2853 #endif /* CONFIG_TDLS */
2855 #ifdef CONFIG_INTERWORKING
2856 if (category
== WLAN_ACTION_QOS
&& plen
>= 1 &&
2857 payload
[0] == QOS_QOS_MAP_CONFIG
) {
2858 const u8
*pos
= payload
+ 1;
2859 size_t qlen
= plen
- 1;
2860 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interworking: Received QoS Map Configure frame from "
2861 MACSTR
, MAC2STR(mgmt
->sa
));
2862 if (os_memcmp(mgmt
->sa
, wpa_s
->bssid
, ETH_ALEN
) == 0 &&
2863 qlen
> 2 && pos
[0] == WLAN_EID_QOS_MAP_SET
&&
2864 pos
[1] <= qlen
- 2 && pos
[1] >= 16)
2865 wpas_qos_map_set(wpa_s
, pos
+ 2, pos
[1]);
2868 #endif /* CONFIG_INTERWORKING */
2870 if (category
== WLAN_ACTION_RADIO_MEASUREMENT
&&
2871 payload
[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE
) {
2872 wpas_rrm_process_neighbor_rep(wpa_s
, payload
+ 1, plen
- 1);
2876 if (category
== WLAN_ACTION_RADIO_MEASUREMENT
&&
2877 payload
[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST
) {
2878 wpas_rrm_handle_link_measurement_request(wpa_s
, mgmt
->sa
,
2879 payload
+ 1, plen
- 1,
2884 wpas_p2p_rx_action(wpa_s
, mgmt
->da
, mgmt
->sa
, mgmt
->bssid
,
2885 category
, payload
, plen
, freq
);
2887 mesh_mpm_action_rx(wpa_s
, mgmt
, len
);
2891 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant
*wpa_s
,
2892 union wpa_event_data
*event
)
2895 struct wpa_supplicant
*ifs
;
2896 #endif /* CONFIG_P2P */
2897 struct wpa_freq_range_list
*list
;
2900 list
= &event
->freq_range
;
2903 str
= freq_range_list_str(list
);
2904 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_AVOID_FREQ
"ranges=%s",
2908 if (freq_range_list_parse(&wpa_s
->global
->p2p_go_avoid_freq
, str
)) {
2909 wpa_dbg(wpa_s
, MSG_ERROR
, "%s: Failed to parse freq range",
2912 wpa_dbg(wpa_s
, MSG_DEBUG
, "P2P: Update channel list based on frequency avoid event");
2913 wpas_p2p_update_channel_list(wpa_s
);
2916 for (ifs
= wpa_s
->global
->ifaces
; ifs
; ifs
= ifs
->next
) {
2918 if (!ifs
->current_ssid
||
2919 !ifs
->current_ssid
->p2p_group
||
2920 (ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GO
&&
2921 ifs
->current_ssid
->mode
!= WPAS_MODE_P2P_GROUP_FORMATION
))
2924 freq
= ifs
->current_ssid
->frequency
;
2925 if (!freq_range_list_includes(list
, freq
)) {
2926 wpa_dbg(ifs
, MSG_DEBUG
, "P2P GO operating frequency %d MHz in safe range",
2931 wpa_dbg(ifs
, MSG_DEBUG
, "P2P GO operating in unsafe frequency %d MHz",
2933 /* TODO: Consider using CSA or removing the group within
2935 wpa_msg(ifs
, MSG_INFO
, P2P_EVENT_REMOVE_AND_REFORM_GROUP
);
2937 #endif /* CONFIG_P2P */
2943 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant
*wpa_s
,
2944 union wpa_event_data
*data
)
2946 wpa_dbg(wpa_s
, MSG_DEBUG
,
2947 "Connection authorized by device, previous state %d",
2949 if (wpa_s
->wpa_state
== WPA_ASSOCIATED
) {
2950 wpa_supplicant_cancel_auth_timeout(wpa_s
);
2951 wpa_supplicant_set_state(wpa_s
, WPA_COMPLETED
);
2952 eapol_sm_notify_portValid(wpa_s
->eapol
, TRUE
);
2953 eapol_sm_notify_eap_success(wpa_s
->eapol
, TRUE
);
2955 wpa_sm_set_rx_replay_ctr(wpa_s
->wpa
, data
->assoc_info
.key_replay_ctr
);
2956 wpa_sm_set_ptk_kck_kek(wpa_s
->wpa
, data
->assoc_info
.ptk_kck
,
2957 data
->assoc_info
.ptk_kek
);
2961 void wpa_supplicant_event(void *ctx
, enum wpa_event_type event
,
2962 union wpa_event_data
*data
)
2964 struct wpa_supplicant
*wpa_s
= ctx
;
2966 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
&&
2967 event
!= EVENT_INTERFACE_ENABLED
&&
2968 event
!= EVENT_INTERFACE_STATUS
&&
2969 event
!= EVENT_SCHED_SCAN_STOPPED
) {
2970 wpa_dbg(wpa_s
, MSG_DEBUG
,
2971 "Ignore event %s (%d) while interface is disabled",
2972 event_to_string(event
), event
);
2976 #ifndef CONFIG_NO_STDOUT_DEBUG
2978 int level
= MSG_DEBUG
;
2980 if (event
== EVENT_RX_MGMT
&& data
->rx_mgmt
.frame_len
>= 24) {
2981 const struct ieee80211_hdr
*hdr
;
2983 hdr
= (const struct ieee80211_hdr
*) data
->rx_mgmt
.frame
;
2984 fc
= le_to_host16(hdr
->frame_control
);
2985 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
2986 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_BEACON
)
2987 level
= MSG_EXCESSIVE
;
2990 wpa_dbg(wpa_s
, level
, "Event %s (%d) received",
2991 event_to_string(event
), event
);
2993 #endif /* CONFIG_NO_STDOUT_DEBUG */
2997 sme_event_auth(wpa_s
, data
);
3000 wpa_supplicant_event_assoc(wpa_s
, data
);
3001 if (data
&& data
->assoc_info
.authorized
)
3002 wpa_supplicant_event_assoc_auth(wpa_s
, data
);
3004 case EVENT_DISASSOC
:
3005 wpas_event_disassoc(wpa_s
,
3006 data
? &data
->disassoc_info
: NULL
);
3009 wpas_event_deauth(wpa_s
,
3010 data
? &data
->deauth_info
: NULL
);
3012 case EVENT_MICHAEL_MIC_FAILURE
:
3013 wpa_supplicant_event_michael_mic_failure(wpa_s
, data
);
3015 #ifndef CONFIG_NO_SCAN_PROCESSING
3016 case EVENT_SCAN_STARTED
:
3017 os_get_reltime(&wpa_s
->scan_start_time
);
3018 if (wpa_s
->own_scan_requested
) {
3019 struct os_reltime diff
;
3021 os_reltime_sub(&wpa_s
->scan_start_time
,
3022 &wpa_s
->scan_trigger_time
, &diff
);
3023 wpa_dbg(wpa_s
, MSG_DEBUG
, "Own scan request started a scan in %ld.%06ld seconds",
3024 diff
.sec
, diff
.usec
);
3025 wpa_s
->own_scan_requested
= 0;
3026 wpa_s
->own_scan_running
= 1;
3027 if (wpa_s
->last_scan_req
== MANUAL_SCAN_REQ
&&
3028 wpa_s
->manual_scan_use_id
) {
3029 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
3030 WPA_EVENT_SCAN_STARTED
"id=%u",
3031 wpa_s
->manual_scan_id
);
3033 wpa_msg_ctrl(wpa_s
, MSG_INFO
,
3034 WPA_EVENT_SCAN_STARTED
);
3037 wpa_dbg(wpa_s
, MSG_DEBUG
, "External program started a scan");
3038 wpa_s
->external_scan_running
= 1;
3039 wpa_msg_ctrl(wpa_s
, MSG_INFO
, WPA_EVENT_SCAN_STARTED
);
3042 case EVENT_SCAN_RESULTS
:
3043 if (os_reltime_initialized(&wpa_s
->scan_start_time
)) {
3044 struct os_reltime now
, diff
;
3045 os_get_reltime(&now
);
3046 os_reltime_sub(&now
, &wpa_s
->scan_start_time
, &diff
);
3047 wpa_s
->scan_start_time
.sec
= 0;
3048 wpa_s
->scan_start_time
.usec
= 0;
3049 wpa_dbg(wpa_s
, MSG_DEBUG
, "Scan completed in %ld.%06ld seconds",
3050 diff
.sec
, diff
.usec
);
3052 wpa_supplicant_event_scan_results(wpa_s
, data
);
3053 wpa_s
->own_scan_running
= 0;
3054 wpa_s
->external_scan_running
= 0;
3055 radio_work_check_next(wpa_s
);
3057 #endif /* CONFIG_NO_SCAN_PROCESSING */
3058 case EVENT_ASSOCINFO
:
3059 wpa_supplicant_event_associnfo(wpa_s
, data
);
3061 case EVENT_INTERFACE_STATUS
:
3062 wpa_supplicant_event_interface_status(wpa_s
, data
);
3064 case EVENT_PMKID_CANDIDATE
:
3065 wpa_supplicant_event_pmkid_candidate(wpa_s
, data
);
3067 #ifdef CONFIG_PEERKEY
3068 case EVENT_STKSTART
:
3069 wpa_supplicant_event_stkstart(wpa_s
, data
);
3071 #endif /* CONFIG_PEERKEY */
3074 wpa_supplicant_event_tdls(wpa_s
, data
);
3076 #endif /* CONFIG_TDLS */
3079 wpa_supplicant_event_wnm(wpa_s
, data
);
3081 #endif /* CONFIG_WNM */
3082 #ifdef CONFIG_IEEE80211R
3083 case EVENT_FT_RESPONSE
:
3084 wpa_supplicant_event_ft_response(wpa_s
, data
);
3086 #endif /* CONFIG_IEEE80211R */
3087 #ifdef CONFIG_IBSS_RSN
3088 case EVENT_IBSS_RSN_START
:
3089 wpa_supplicant_event_ibss_rsn_start(wpa_s
, data
);
3091 #endif /* CONFIG_IBSS_RSN */
3092 case EVENT_ASSOC_REJECT
:
3093 if (data
->assoc_reject
.bssid
)
3094 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_ASSOC_REJECT
3095 "bssid=" MACSTR
" status_code=%u",
3096 MAC2STR(data
->assoc_reject
.bssid
),
3097 data
->assoc_reject
.status_code
);
3099 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_ASSOC_REJECT
3101 data
->assoc_reject
.status_code
);
3102 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
3103 sme_event_assoc_reject(wpa_s
, data
);
3105 const u8
*bssid
= data
->assoc_reject
.bssid
;
3106 if (bssid
== NULL
|| is_zero_ether_addr(bssid
))
3107 bssid
= wpa_s
->pending_bssid
;
3108 wpas_connection_failed(wpa_s
, bssid
);
3109 wpa_supplicant_mark_disassoc(wpa_s
);
3112 case EVENT_AUTH_TIMED_OUT
:
3113 /* It is possible to get this event from earlier connection */
3114 if (wpa_s
->current_ssid
&&
3115 wpa_s
->current_ssid
->mode
== WPAS_MODE_MESH
) {
3116 wpa_dbg(wpa_s
, MSG_DEBUG
,
3117 "Ignore AUTH_TIMED_OUT in mesh configuration");
3120 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
3121 sme_event_auth_timed_out(wpa_s
, data
);
3123 case EVENT_ASSOC_TIMED_OUT
:
3124 /* It is possible to get this event from earlier connection */
3125 if (wpa_s
->current_ssid
&&
3126 wpa_s
->current_ssid
->mode
== WPAS_MODE_MESH
) {
3127 wpa_dbg(wpa_s
, MSG_DEBUG
,
3128 "Ignore ASSOC_TIMED_OUT in mesh configuration");
3131 if (wpa_s
->drv_flags
& WPA_DRIVER_FLAGS_SME
)
3132 sme_event_assoc_timed_out(wpa_s
, data
);
3134 case EVENT_TX_STATUS
:
3135 wpa_dbg(wpa_s
, MSG_DEBUG
, "EVENT_TX_STATUS dst=" MACSTR
3136 " type=%d stype=%d",
3137 MAC2STR(data
->tx_status
.dst
),
3138 data
->tx_status
.type
, data
->tx_status
.stype
);
3140 if (wpa_s
->ap_iface
== NULL
) {
3141 #ifdef CONFIG_OFFCHANNEL
3142 if (data
->tx_status
.type
== WLAN_FC_TYPE_MGMT
&&
3143 data
->tx_status
.stype
== WLAN_FC_STYPE_ACTION
)
3144 offchannel_send_action_tx_status(
3145 wpa_s
, data
->tx_status
.dst
,
3146 data
->tx_status
.data
,
3147 data
->tx_status
.data_len
,
3148 data
->tx_status
.ack
?
3149 OFFCHANNEL_SEND_ACTION_SUCCESS
:
3150 OFFCHANNEL_SEND_ACTION_NO_ACK
);
3151 #endif /* CONFIG_OFFCHANNEL */
3154 #endif /* CONFIG_AP */
3155 #ifdef CONFIG_OFFCHANNEL
3156 wpa_dbg(wpa_s
, MSG_DEBUG
, "EVENT_TX_STATUS pending_dst="
3157 MACSTR
, MAC2STR(wpa_s
->parent
->pending_action_dst
));
3159 * Catch TX status events for Action frames we sent via group
3160 * interface in GO mode.
3162 if (data
->tx_status
.type
== WLAN_FC_TYPE_MGMT
&&
3163 data
->tx_status
.stype
== WLAN_FC_STYPE_ACTION
&&
3164 os_memcmp(wpa_s
->parent
->pending_action_dst
,
3165 data
->tx_status
.dst
, ETH_ALEN
) == 0) {
3166 offchannel_send_action_tx_status(
3167 wpa_s
->parent
, data
->tx_status
.dst
,
3168 data
->tx_status
.data
,
3169 data
->tx_status
.data_len
,
3170 data
->tx_status
.ack
?
3171 OFFCHANNEL_SEND_ACTION_SUCCESS
:
3172 OFFCHANNEL_SEND_ACTION_NO_ACK
);
3175 #endif /* CONFIG_OFFCHANNEL */
3177 switch (data
->tx_status
.type
) {
3178 case WLAN_FC_TYPE_MGMT
:
3179 ap_mgmt_tx_cb(wpa_s
, data
->tx_status
.data
,
3180 data
->tx_status
.data_len
,
3181 data
->tx_status
.stype
,
3182 data
->tx_status
.ack
);
3184 case WLAN_FC_TYPE_DATA
:
3185 ap_tx_status(wpa_s
, data
->tx_status
.dst
,
3186 data
->tx_status
.data
,
3187 data
->tx_status
.data_len
,
3188 data
->tx_status
.ack
);
3191 #endif /* CONFIG_AP */
3194 case EVENT_EAPOL_TX_STATUS
:
3195 ap_eapol_tx_status(wpa_s
, data
->eapol_tx_status
.dst
,
3196 data
->eapol_tx_status
.data
,
3197 data
->eapol_tx_status
.data_len
,
3198 data
->eapol_tx_status
.ack
);
3200 case EVENT_DRIVER_CLIENT_POLL_OK
:
3201 ap_client_poll_ok(wpa_s
, data
->client_poll
.addr
);
3203 case EVENT_RX_FROM_UNKNOWN
:
3204 if (wpa_s
->ap_iface
== NULL
)
3206 ap_rx_from_unknown_sta(wpa_s
, data
->rx_from_unknown
.addr
,
3207 data
->rx_from_unknown
.wds
);
3209 case EVENT_CH_SWITCH
:
3212 if (!wpa_s
->ap_iface
) {
3213 wpa_dbg(wpa_s
, MSG_DEBUG
, "AP: Ignore channel switch "
3214 "event in non-AP mode");
3218 wpas_ap_ch_switch(wpa_s
, data
->ch_switch
.freq
,
3219 data
->ch_switch
.ht_enabled
,
3220 data
->ch_switch
.ch_offset
,
3221 data
->ch_switch
.ch_width
,
3222 data
->ch_switch
.cf1
,
3223 data
->ch_switch
.cf2
);
3225 #endif /* CONFIG_AP */
3226 case EVENT_RX_MGMT
: {
3228 const struct ieee80211_mgmt
*mgmt
;
3230 #ifdef CONFIG_TESTING_OPTIONS
3231 if (wpa_s
->ext_mgmt_frame_handling
) {
3232 struct rx_mgmt
*rx
= &data
->rx_mgmt
;
3233 size_t hex_len
= 2 * rx
->frame_len
+ 1;
3234 char *hex
= os_malloc(hex_len
);
3236 wpa_snprintf_hex(hex
, hex_len
,
3237 rx
->frame
, rx
->frame_len
);
3238 wpa_msg(wpa_s
, MSG_INFO
, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
3239 rx
->freq
, rx
->datarate
, rx
->ssi_signal
,
3245 #endif /* CONFIG_TESTING_OPTIONS */
3247 mgmt
= (const struct ieee80211_mgmt
*)
3248 data
->rx_mgmt
.frame
;
3249 fc
= le_to_host16(mgmt
->frame_control
);
3250 stype
= WLAN_FC_GET_STYPE(fc
);
3253 if (wpa_s
->ap_iface
== NULL
) {
3254 #endif /* CONFIG_AP */
3256 if (stype
== WLAN_FC_STYPE_PROBE_REQ
&&
3257 data
->rx_mgmt
.frame_len
> 24) {
3258 const u8
*src
= mgmt
->sa
;
3259 const u8
*ie
= mgmt
->u
.probe_req
.variable
;
3260 size_t ie_len
= data
->rx_mgmt
.frame_len
-
3261 (mgmt
->u
.probe_req
.variable
-
3262 data
->rx_mgmt
.frame
);
3263 wpas_p2p_probe_req_rx(
3264 wpa_s
, src
, mgmt
->da
,
3265 mgmt
->bssid
, ie
, ie_len
,
3266 data
->rx_mgmt
.ssi_signal
);
3269 #endif /* CONFIG_P2P */
3270 #ifdef CONFIG_IBSS_RSN
3271 if (wpa_s
->current_ssid
&&
3272 wpa_s
->current_ssid
->mode
== WPAS_MODE_IBSS
&&
3273 stype
== WLAN_FC_STYPE_AUTH
&&
3274 data
->rx_mgmt
.frame_len
>= 30) {
3275 wpa_supplicant_event_ibss_auth(wpa_s
, data
);
3278 #endif /* CONFIG_IBSS_RSN */
3280 if (stype
== WLAN_FC_STYPE_ACTION
) {
3281 wpas_event_rx_mgmt_action(
3282 wpa_s
, data
->rx_mgmt
.frame
,
3283 data
->rx_mgmt
.frame_len
,
3285 data
->rx_mgmt
.ssi_signal
);
3290 mesh_mpm_mgmt_rx(wpa_s
, &data
->rx_mgmt
);
3294 wpa_dbg(wpa_s
, MSG_DEBUG
, "AP: ignore received "
3295 "management frame in non-AP mode");
3300 if (stype
== WLAN_FC_STYPE_PROBE_REQ
&&
3301 data
->rx_mgmt
.frame_len
> 24) {
3302 const u8
*ie
= mgmt
->u
.probe_req
.variable
;
3303 size_t ie_len
= data
->rx_mgmt
.frame_len
-
3304 (mgmt
->u
.probe_req
.variable
-
3305 data
->rx_mgmt
.frame
);
3307 wpas_notify_preq(wpa_s
, mgmt
->sa
, mgmt
->da
,
3308 mgmt
->bssid
, ie
, ie_len
,
3309 data
->rx_mgmt
.ssi_signal
);
3312 ap_mgmt_rx(wpa_s
, &data
->rx_mgmt
);
3313 #endif /* CONFIG_AP */
3316 case EVENT_RX_PROBE_REQ
:
3317 if (data
->rx_probe_req
.sa
== NULL
||
3318 data
->rx_probe_req
.ie
== NULL
)
3321 if (wpa_s
->ap_iface
) {
3322 hostapd_probe_req_rx(wpa_s
->ap_iface
->bss
[0],
3323 data
->rx_probe_req
.sa
,
3324 data
->rx_probe_req
.da
,
3325 data
->rx_probe_req
.bssid
,
3326 data
->rx_probe_req
.ie
,
3327 data
->rx_probe_req
.ie_len
,
3328 data
->rx_probe_req
.ssi_signal
);
3331 #endif /* CONFIG_AP */
3332 wpas_p2p_probe_req_rx(wpa_s
, data
->rx_probe_req
.sa
,
3333 data
->rx_probe_req
.da
,
3334 data
->rx_probe_req
.bssid
,
3335 data
->rx_probe_req
.ie
,
3336 data
->rx_probe_req
.ie_len
,
3337 data
->rx_probe_req
.ssi_signal
);
3339 case EVENT_REMAIN_ON_CHANNEL
:
3340 #ifdef CONFIG_OFFCHANNEL
3341 offchannel_remain_on_channel_cb(
3342 wpa_s
, data
->remain_on_channel
.freq
,
3343 data
->remain_on_channel
.duration
);
3344 #endif /* CONFIG_OFFCHANNEL */
3345 wpas_p2p_remain_on_channel_cb(
3346 wpa_s
, data
->remain_on_channel
.freq
,
3347 data
->remain_on_channel
.duration
);
3349 case EVENT_CANCEL_REMAIN_ON_CHANNEL
:
3350 #ifdef CONFIG_OFFCHANNEL
3351 offchannel_cancel_remain_on_channel_cb(
3352 wpa_s
, data
->remain_on_channel
.freq
);
3353 #endif /* CONFIG_OFFCHANNEL */
3354 wpas_p2p_cancel_remain_on_channel_cb(
3355 wpa_s
, data
->remain_on_channel
.freq
);
3357 case EVENT_EAPOL_RX
:
3358 wpa_supplicant_rx_eapol(wpa_s
, data
->eapol_rx
.src
,
3359 data
->eapol_rx
.data
,
3360 data
->eapol_rx
.data_len
);
3362 case EVENT_SIGNAL_CHANGE
:
3363 wpa_msg(wpa_s
, MSG_INFO
, WPA_EVENT_SIGNAL_CHANGE
3364 "above=%d signal=%d noise=%d txrate=%d",
3365 data
->signal_change
.above_threshold
,
3366 data
->signal_change
.current_signal
,
3367 data
->signal_change
.current_noise
,
3368 data
->signal_change
.current_txrate
);
3369 bgscan_notify_signal_change(
3370 wpa_s
, data
->signal_change
.above_threshold
,
3371 data
->signal_change
.current_signal
,
3372 data
->signal_change
.current_noise
,
3373 data
->signal_change
.current_txrate
);
3375 case EVENT_INTERFACE_ENABLED
:
3376 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interface was enabled");
3377 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
) {
3378 wpa_supplicant_update_mac_addr(wpa_s
);
3379 if (wpa_s
->p2p_mgmt
) {
3380 wpa_supplicant_set_state(wpa_s
,
3386 if (!wpa_s
->ap_iface
) {
3387 wpa_supplicant_set_state(wpa_s
,
3389 wpa_supplicant_req_scan(wpa_s
, 0, 0);
3391 wpa_supplicant_set_state(wpa_s
,
3393 #else /* CONFIG_AP */
3394 wpa_supplicant_set_state(wpa_s
, WPA_DISCONNECTED
);
3395 wpa_supplicant_req_scan(wpa_s
, 0, 0);
3396 #endif /* CONFIG_AP */
3399 case EVENT_INTERFACE_DISABLED
:
3400 wpa_dbg(wpa_s
, MSG_DEBUG
, "Interface was disabled");
3402 if (wpa_s
->p2p_group_interface
== P2P_GROUP_INTERFACE_GO
||
3403 (wpa_s
->current_ssid
&& wpa_s
->current_ssid
->p2p_group
&&
3404 wpa_s
->current_ssid
->mode
== WPAS_MODE_P2P_GO
)) {
3406 * The interface was externally disabled. Remove
3407 * it assuming an external entity will start a
3408 * new session if needed.
3410 wpas_p2p_disconnect(wpa_s
);
3413 if (wpa_s
->p2p_scan_work
&& wpa_s
->global
->p2p
&&
3414 p2p_in_progress(wpa_s
->global
->p2p
) > 1) {
3415 /* This radio work will be cancelled, so clear P2P
3418 p2p_stop_find(wpa_s
->global
->p2p
);
3420 #endif /* CONFIG_P2P */
3422 if (wpa_s
->wpa_state
>= WPA_AUTHENTICATING
) {
3424 * Indicate disconnection to keep ctrl_iface events
3427 wpa_supplicant_event_disassoc(
3428 wpa_s
, WLAN_REASON_DEAUTH_LEAVING
, 1);
3430 wpa_supplicant_mark_disassoc(wpa_s
);
3431 radio_remove_works(wpa_s
, NULL
, 0);
3433 wpa_supplicant_set_state(wpa_s
, WPA_INTERFACE_DISABLED
);
3435 case EVENT_CHANNEL_LIST_CHANGED
:
3436 wpa_supplicant_update_channel_list(
3437 wpa_s
, &data
->channel_list_changed
);
3439 case EVENT_INTERFACE_UNAVAILABLE
:
3440 wpas_p2p_interface_unavailable(wpa_s
);
3442 case EVENT_BEST_CHANNEL
:
3443 wpa_dbg(wpa_s
, MSG_DEBUG
, "Best channel event received "
3445 data
->best_chan
.freq_24
, data
->best_chan
.freq_5
,
3446 data
->best_chan
.freq_overall
);
3447 wpa_s
->best_24_freq
= data
->best_chan
.freq_24
;
3448 wpa_s
->best_5_freq
= data
->best_chan
.freq_5
;
3449 wpa_s
->best_overall_freq
= data
->best_chan
.freq_overall
;
3450 wpas_p2p_update_best_channels(wpa_s
, data
->best_chan
.freq_24
,
3451 data
->best_chan
.freq_5
,
3452 data
->best_chan
.freq_overall
);
3454 case EVENT_UNPROT_DEAUTH
:
3455 wpa_supplicant_event_unprot_deauth(wpa_s
,
3456 &data
->unprot_deauth
);
3458 case EVENT_UNPROT_DISASSOC
:
3459 wpa_supplicant_event_unprot_disassoc(wpa_s
,
3460 &data
->unprot_disassoc
);
3462 case EVENT_STATION_LOW_ACK
:
3464 if (wpa_s
->ap_iface
&& data
)
3465 hostapd_event_sta_low_ack(wpa_s
->ap_iface
->bss
[0],
3466 data
->low_ack
.addr
);
3467 #endif /* CONFIG_AP */
3470 wpa_tdls_disable_unreachable_link(wpa_s
->wpa
,
3471 data
->low_ack
.addr
);
3472 #endif /* CONFIG_TDLS */
3474 case EVENT_IBSS_PEER_LOST
:
3475 #ifdef CONFIG_IBSS_RSN
3476 ibss_rsn_stop(wpa_s
->ibss_rsn
, data
->ibss_peer_lost
.peer
);
3477 #endif /* CONFIG_IBSS_RSN */
3479 case EVENT_DRIVER_GTK_REKEY
:
3480 if (os_memcmp(data
->driver_gtk_rekey
.bssid
,
3481 wpa_s
->bssid
, ETH_ALEN
))
3485 wpa_sm_update_replay_ctr(wpa_s
->wpa
,
3486 data
->driver_gtk_rekey
.replay_ctr
);
3488 case EVENT_SCHED_SCAN_STOPPED
:
3490 wpa_s
->sched_scanning
= 0;
3491 wpa_supplicant_notify_scanning(wpa_s
, 0);
3493 if (wpa_s
->wpa_state
== WPA_INTERFACE_DISABLED
)
3497 * Start a new sched scan to continue searching for more SSIDs
3498 * either if timed out or PNO schedule scan is pending.
3500 if (wpa_s
->sched_scan_timed_out
) {
3501 wpa_supplicant_req_sched_scan(wpa_s
);
3502 } else if (wpa_s
->pno_sched_pending
) {
3503 wpa_s
->pno_sched_pending
= 0;
3504 wpas_start_pno(wpa_s
);
3508 case EVENT_WPS_BUTTON_PUSHED
:
3510 wpas_wps_start_pbc(wpa_s
, NULL
, 0);
3511 #endif /* CONFIG_WPS */
3513 case EVENT_AVOID_FREQUENCIES
:
3514 wpa_supplicant_notify_avoid_freq(wpa_s
, data
);
3516 case EVENT_CONNECT_FAILED_REASON
:
3518 if (!wpa_s
->ap_iface
|| !data
)
3520 hostapd_event_connect_failed_reason(
3521 wpa_s
->ap_iface
->bss
[0],
3522 data
->connect_failed_reason
.addr
,
3523 data
->connect_failed_reason
.code
);
3524 #endif /* CONFIG_AP */
3526 case EVENT_NEW_PEER_CANDIDATE
:
3528 if (!wpa_s
->ifmsh
|| !data
)
3530 wpa_mesh_notify_peer(wpa_s
, data
->mesh_peer
.peer
,
3531 data
->mesh_peer
.ies
,
3532 data
->mesh_peer
.ie_len
);
3533 #endif /* CONFIG_MESH */
3536 wpa_msg(wpa_s
, MSG_INFO
, "Unknown event %d", event
);