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);
205 sme_clear_on_disassoc(wpa_s);
207 os_memset(wpa_s->go_dev_addr, 0, ETH_ALEN);
208 #endif /* CONFIG_P2P */
209 wpa_s->current_bss = NULL;
210 wpa_s->assoc_freq = 0;
213 wpas_notify_bssid_changed(wpa_s);
215 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
216 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
217 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
218 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
219 wpa_s->ap_ies_from_associnfo = 0;
220 wpa_s->current_ssid = NULL;
221 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
224 wpas_rrm_reset(wpa_s);
228 static void wpa_find_assoc_pmkid(struct wpa_supplicant *wpa_s)
230 struct wpa_ie_data ie;
234 if (wpa_sm_parse_own_wpa_ie(wpa_s->wpa, &ie) < 0 ||
238 for (i = 0; i < ie.num_pmkid; i++) {
239 pmksa_set = pmksa_cache_set_current(wpa_s->wpa,
240 ie.pmkid + i * PMKID_LEN,
242 if (pmksa_set == 0) {
243 eapol_sm_notify_pmkid_attempt(wpa_s->eapol, 1);
248 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID from assoc IE %sfound from "
249 "PMKSA cache", pmksa_set == 0 ? "" : "not ");
253 static void wpa_supplicant_event_pmkid_candidate(struct wpa_supplicant *wpa_s,
254 union wpa_event_data *data)
257 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: No data in PMKID candidate "
261 wpa_dbg(wpa_s, MSG_DEBUG, "RSN: PMKID candidate event - bssid=" MACSTR
262 " index=%d preauth=%d",
263 MAC2STR(data->pmkid_candidate.bssid),
264 data->pmkid_candidate.index,
265 data->pmkid_candidate.preauth);
267 pmksa_candidate_add(wpa_s->wpa, data->pmkid_candidate.bssid,
268 data->pmkid_candidate.index,
269 data->pmkid_candidate.preauth);
273 static int wpa_supplicant_dynamic_keys(struct wpa_supplicant *wpa_s)
275 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
276 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE)
279 #ifdef IEEE8021X_EAPOL
280 if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
281 wpa_s->current_ssid &&
282 !(wpa_s->current_ssid->eapol_flags &
283 (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
284 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
285 /* IEEE 802.1X, but not using dynamic WEP keys (i.e., either
286 * plaintext or static WEP keys). */
289 #endif /* IEEE8021X_EAPOL */
296 * wpa_supplicant_scard_init - Initialize SIM/USIM access with PC/SC
297 * @wpa_s: pointer to wpa_supplicant data
298 * @ssid: Configuration data for the network
299 * Returns: 0 on success, -1 on failure
301 * This function is called when starting authentication with a network that is
302 * configured to use PC/SC for SIM/USIM access (EAP-SIM or EAP-AKA).
304 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
305 struct wpa_ssid *ssid)
307 #ifdef IEEE8021X_EAPOL
309 int aka = 0, sim = 0;
311 if ((ssid != NULL && ssid->eap.pcsc == NULL) ||
312 wpa_s->scard != NULL || wpa_s->conf->external_sim)
315 if (ssid == NULL || ssid->eap.eap_methods == NULL) {
319 struct eap_method_type *eap = ssid->eap.eap_methods;
320 while (eap->vendor != EAP_VENDOR_IETF ||
321 eap->method != EAP_TYPE_NONE) {
322 if (eap->vendor == EAP_VENDOR_IETF) {
323 if (eap->method == EAP_TYPE_SIM)
325 else if (eap->method == EAP_TYPE_AKA ||
326 eap->method == EAP_TYPE_AKA_PRIME)
333 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_SIM) == NULL)
335 if (eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA) == NULL &&
336 eap_peer_get_eap_method(EAP_VENDOR_IETF, EAP_TYPE_AKA_PRIME) ==
341 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to "
342 "use SIM, but neither EAP-SIM nor EAP-AKA are "
347 wpa_dbg(wpa_s, MSG_DEBUG, "Selected network is configured to use SIM "
348 "(sim=%d aka=%d) - initialize PCSC", sim, aka);
350 wpa_s->scard = scard_init(wpa_s->conf->pcsc_reader);
351 if (wpa_s->scard == NULL) {
352 wpa_msg(wpa_s, MSG_WARNING, "Failed to initialize SIM "
356 wpa_sm_set_scard_ctx(wpa_s->wpa, wpa_s->scard);
357 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
358 #endif /* PCSC_FUNCS */
359 #endif /* IEEE8021X_EAPOL */
365 #ifndef CONFIG_NO_SCAN_PROCESSING
367 static int has_wep_key(struct wpa_ssid *ssid)
371 for (i = 0; i < NUM_WEP_KEYS; i++) {
372 if (ssid->wep_key_len[i])
380 static int wpa_supplicant_match_privacy(struct wpa_bss *bss,
381 struct wpa_ssid *ssid)
385 if (ssid->mixed_cell)
389 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
391 #endif /* CONFIG_WPS */
393 if (has_wep_key(ssid))
396 #ifdef IEEE8021X_EAPOL
397 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
398 ssid->eapol_flags & (EAPOL_FLAG_REQUIRE_KEY_UNICAST |
399 EAPOL_FLAG_REQUIRE_KEY_BROADCAST))
401 #endif /* IEEE8021X_EAPOL */
403 if (wpa_key_mgmt_wpa(ssid->key_mgmt))
406 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)
409 if (bss->caps & IEEE80211_CAP_PRIVACY)
415 static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
416 struct wpa_ssid *ssid,
419 struct wpa_ie_data ie;
421 const u8 *rsn_ie, *wpa_ie;
425 ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
429 /* Allow TSN if local configuration accepts WEP use without WPA/WPA2 */
430 wep_ok = !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
431 (((ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
432 ssid->wep_key_len[ssid->wep_tx_keyidx] > 0) ||
433 (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA));
435 rsn_ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
436 while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
439 if (wpa_parse_wpa_ie(rsn_ie, 2 + rsn_ie[1], &ie)) {
440 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - parse "
446 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
448 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
453 if (!(ie.proto & ssid->proto)) {
454 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - proto "
459 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
460 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - PTK "
465 if (!(ie.group_cipher & ssid->group_cipher)) {
466 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - GTK "
471 if (!(ie.key_mgmt & ssid->key_mgmt)) {
472 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - key mgmt "
477 #ifdef CONFIG_IEEE80211W
478 if (!(ie.capabilities & WPA_CAPABILITY_MFPC) &&
479 (ssid->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT ?
480 wpa_s->conf->pmf : ssid->ieee80211w) ==
481 MGMT_FRAME_PROTECTION_REQUIRED) {
482 wpa_dbg(wpa_s, MSG_DEBUG, " skip RSN IE - no mgmt "
486 #endif /* CONFIG_IEEE80211W */
488 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on RSN IE");
492 wpa_ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
493 while ((ssid->proto & WPA_PROTO_WPA) && wpa_ie) {
496 if (wpa_parse_wpa_ie(wpa_ie, 2 + wpa_ie[1], &ie)) {
497 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - parse "
503 (ie.group_cipher & (WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)))
505 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on TSN "
510 if (!(ie.proto & ssid->proto)) {
511 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - proto "
516 if (!(ie.pairwise_cipher & ssid->pairwise_cipher)) {
517 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - PTK "
522 if (!(ie.group_cipher & ssid->group_cipher)) {
523 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - GTK "
528 if (!(ie.key_mgmt & ssid->key_mgmt)) {
529 wpa_dbg(wpa_s, MSG_DEBUG, " skip WPA IE - key mgmt "
534 wpa_dbg(wpa_s, MSG_DEBUG, " selected based on WPA IE");
538 if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) && !wpa_ie &&
540 wpa_dbg(wpa_s, MSG_DEBUG, " allow for non-WPA IEEE 802.1X");
544 if ((ssid->proto & (WPA_PROTO_WPA | WPA_PROTO_RSN)) &&
545 wpa_key_mgmt_wpa(ssid->key_mgmt) && proto_match == 0) {
546 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no WPA/RSN proto match");
550 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) &&
551 wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE)) {
552 wpa_dbg(wpa_s, MSG_DEBUG, " allow in OSEN");
556 if (!wpa_key_mgmt_wpa(ssid->key_mgmt)) {
557 wpa_dbg(wpa_s, MSG_DEBUG, " allow in non-WPA/WPA2");
561 wpa_dbg(wpa_s, MSG_DEBUG, " reject due to mismatch with "
568 static int freq_allowed(int *freqs, int freq)
575 for (i = 0; freqs[i]; i++)
576 if (freqs[i] == freq)
582 static int rate_match(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
584 const struct hostapd_hw_modes *mode = NULL, *modes;
585 const u8 scan_ie[2] = { WLAN_EID_SUPP_RATES, WLAN_EID_EXT_SUPP_RATES };
590 return 1; /* Cannot do matching without knowing band */
592 modes = wpa_s->hw.modes;
595 * The driver does not provide any additional information
596 * about the utilized hardware, so allow the connection attempt
602 for (i = 0; i < wpa_s->hw.num_modes; i++) {
603 for (j = 0; j < modes[i].num_channels; j++) {
604 int freq = modes[i].channels[j].freq;
605 if (freq == bss->freq) {
607 mode->mode == HOSTAPD_MODE_IEEE80211G)
608 break; /* do not allow 802.11b replace
619 for (i = 0; i < (int) sizeof(scan_ie); i++) {
620 rate_ie = wpa_bss_get_ie(bss, scan_ie[i]);
624 for (j = 2; j < rate_ie[1] + 2; j++) {
625 int flagged = !!(rate_ie[j] & 0x80);
626 int r = (rate_ie[j] & 0x7f) * 5;
629 * IEEE Std 802.11n-2009 7.3.2.2:
630 * The new BSS Membership selector value is encoded
631 * like a legacy basic rate, but it is not a rate and
632 * only indicates if the BSS members are required to
633 * support the mandatory features of Clause 20 [HT PHY]
634 * in order to join the BSS.
636 if (flagged && ((rate_ie[j] & 0x7f) ==
637 BSS_MEMBERSHIP_SELECTOR_HT_PHY)) {
638 if (!ht_supported(mode)) {
639 wpa_dbg(wpa_s, MSG_DEBUG,
640 " hardware does not support "
647 /* There's also a VHT selector for 802.11ac */
648 if (flagged && ((rate_ie[j] & 0x7f) ==
649 BSS_MEMBERSHIP_SELECTOR_VHT_PHY)) {
650 if (!vht_supported(mode)) {
651 wpa_dbg(wpa_s, MSG_DEBUG,
652 " hardware does not support "
662 /* check for legacy basic rates */
663 for (k = 0; k < mode->num_rates; k++) {
664 if (mode->rates[k] == r)
667 if (k == mode->num_rates) {
669 * IEEE Std 802.11-2007 7.3.2.2 demands that in
670 * order to join a BSS all required rates
671 * have to be supported by the hardware.
673 wpa_dbg(wpa_s, MSG_DEBUG, " hardware does "
674 "not support required rate %d.%d Mbps",
686 * Test whether BSS is in an ESS.
687 * This is done differently in DMG (60 GHz) and non-DMG bands
689 static int bss_is_ess(struct wpa_bss *bss)
691 if (bss_is_dmg(bss)) {
692 return (bss->caps & IEEE80211_CAP_DMG_MASK) ==
693 IEEE80211_CAP_DMG_AP;
696 return ((bss->caps & (IEEE80211_CAP_ESS | IEEE80211_CAP_IBSS)) ==
701 static struct wpa_ssid * wpa_scan_res_match(struct wpa_supplicant *wpa_s,
702 int i, struct wpa_bss *bss,
703 struct wpa_ssid *group,
706 u8 wpa_ie_len, rsn_ie_len;
708 struct wpa_blacklist *e;
710 struct wpa_ssid *ssid;
713 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
714 wpa_ie_len = ie ? ie[1] : 0;
716 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
717 rsn_ie_len = ie ? ie[1] : 0;
719 ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
722 wpa_dbg(wpa_s, MSG_DEBUG, "%d: " MACSTR " ssid='%s' "
723 "wpa_ie_len=%u rsn_ie_len=%u caps=0x%x level=%d%s%s%s",
724 i, MAC2STR(bss->bssid), wpa_ssid_txt(bss->ssid, bss->ssid_len),
725 wpa_ie_len, rsn_ie_len, bss->caps, bss->level,
726 wpa_bss_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE) ? " wps" : "",
727 (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
728 wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) ?
730 osen ? " osen=1" : "");
732 e = wpa_blacklist_get(wpa_s, bss->bssid);
735 if (wpa_supplicant_enabled_networks(wpa_s) == 1) {
737 * When only a single network is enabled, we can
738 * trigger blacklisting on the first failure. This
739 * should not be done with multiple enabled networks to
740 * avoid getting forced to move into a worse ESS on
741 * single error if there are no other BSSes of the
746 if (e->count > limit) {
747 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
748 "(count=%d limit=%d)", e->count, limit);
753 if (bss->ssid_len == 0) {
754 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID not known");
758 if (disallowed_bssid(wpa_s, bss->bssid)) {
759 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID disallowed");
763 if (disallowed_ssid(wpa_s, bss->ssid, bss->ssid_len)) {
764 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID disallowed");
768 wpa = wpa_ie_len > 0 || rsn_ie_len > 0;
770 for (ssid = group; ssid; ssid = only_first_ssid ? NULL : ssid->pnext) {
771 int check_ssid = wpa ? 1 : (ssid->ssid_len != 0);
774 if (wpas_network_disabled(wpa_s, ssid)) {
775 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled");
779 res = wpas_temp_disabled(wpa_s, ssid);
781 wpa_dbg(wpa_s, MSG_DEBUG, " skip - disabled "
782 "temporarily for %d second(s)", res);
787 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && e && e->count > 0) {
788 wpa_dbg(wpa_s, MSG_DEBUG, " skip - blacklisted "
793 if (wpa && ssid->ssid_len == 0 &&
794 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
797 if (!wpa && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
798 /* Only allow wildcard SSID match if an AP
799 * advertises active WPS operation that matches
802 if (ssid->ssid_len == 0 &&
803 wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
806 #endif /* CONFIG_WPS */
808 if (ssid->bssid_set && ssid->ssid_len == 0 &&
809 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) == 0)
813 (bss->ssid_len != ssid->ssid_len ||
814 os_memcmp(bss->ssid, ssid->ssid, bss->ssid_len) != 0)) {
815 wpa_dbg(wpa_s, MSG_DEBUG, " skip - SSID mismatch");
819 if (ssid->bssid_set &&
820 os_memcmp(bss->bssid, ssid->bssid, ETH_ALEN) != 0) {
821 wpa_dbg(wpa_s, MSG_DEBUG, " skip - BSSID mismatch");
825 if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
829 !(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
830 !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
831 !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) {
832 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-WPA network "
837 if (wpa && !wpa_key_mgmt_wpa(ssid->key_mgmt) &&
839 wpa_dbg(wpa_s, MSG_DEBUG, " skip - ignore WPA/WPA2 AP for WEP network block");
843 if ((ssid->key_mgmt & WPA_KEY_MGMT_OSEN) && !osen) {
844 wpa_dbg(wpa_s, MSG_DEBUG, " skip - non-OSEN network "
849 if (!wpa_supplicant_match_privacy(bss, ssid)) {
850 wpa_dbg(wpa_s, MSG_DEBUG, " skip - privacy "
855 if (!bss_is_ess(bss)) {
856 wpa_dbg(wpa_s, MSG_DEBUG, " skip - not ESS network");
860 if (!freq_allowed(ssid->freq_list, bss->freq)) {
861 wpa_dbg(wpa_s, MSG_DEBUG, " skip - frequency not "
866 if (!rate_match(wpa_s, bss)) {
867 wpa_dbg(wpa_s, MSG_DEBUG, " skip - rate sets do "
873 if (ssid->p2p_group &&
874 !wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) &&
875 !wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
876 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P IE seen");
880 if (!is_zero_ether_addr(ssid->go_p2p_dev_addr)) {
881 struct wpabuf *p2p_ie;
882 u8 dev_addr[ETH_ALEN];
884 ie = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
886 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no P2P element");
889 p2p_ie = wpa_bss_get_vendor_ie_multi(
890 bss, P2P_IE_VENDOR_TYPE);
891 if (p2p_ie == NULL) {
892 wpa_dbg(wpa_s, MSG_DEBUG, " skip - could not fetch P2P element");
896 if (p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr) < 0
897 || os_memcmp(dev_addr, ssid->go_p2p_dev_addr,
899 wpa_dbg(wpa_s, MSG_DEBUG, " skip - no matching GO P2P Device Address in P2P element");
907 * TODO: skip the AP if its P2P IE has Group Formation
908 * bit set in the P2P Group Capability Bitmap and we
909 * are not in Group Formation with that device.
911 #endif /* CONFIG_P2P */
913 /* Matching configuration found */
917 /* No matching configuration found */
922 static struct wpa_bss *
923 wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
924 struct wpa_ssid *group,
925 struct wpa_ssid **selected_ssid,
931 wpa_dbg(wpa_s, MSG_DEBUG, "Try to find BSS matching pre-selected network id=%d",
934 wpa_dbg(wpa_s, MSG_DEBUG, "Selecting BSS from priority group %d",
937 for (i = 0; i < wpa_s->last_scan_res_used; i++) {
938 struct wpa_bss *bss = wpa_s->last_scan_res[i];
939 *selected_ssid = wpa_scan_res_match(wpa_s, i, bss, group,
943 wpa_dbg(wpa_s, MSG_DEBUG, " selected BSS " MACSTR
946 wpa_ssid_txt(bss->ssid, bss->ssid_len));
954 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
955 struct wpa_ssid **selected_ssid)
957 struct wpa_bss *selected = NULL;
959 struct wpa_ssid *next_ssid = NULL;
961 if (wpa_s->last_scan_res == NULL ||
962 wpa_s->last_scan_res_used == 0)
963 return NULL; /* no scan results from last update */
965 if (wpa_s->next_ssid) {
966 struct wpa_ssid *ssid;
968 /* check that next_ssid is still valid */
969 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
970 if (ssid == wpa_s->next_ssid)
974 wpa_s->next_ssid = NULL;
977 while (selected == NULL) {
978 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
979 if (next_ssid && next_ssid->priority ==
980 wpa_s->conf->pssid[prio]->priority) {
981 selected = wpa_supplicant_select_bss(
982 wpa_s, next_ssid, selected_ssid, 1);
986 selected = wpa_supplicant_select_bss(
987 wpa_s, wpa_s->conf->pssid[prio],
993 if (selected == NULL && wpa_s->blacklist &&
994 !wpa_s->countermeasures) {
995 wpa_dbg(wpa_s, MSG_DEBUG, "No APs found - clear "
996 "blacklist and try again");
997 wpa_blacklist_clear(wpa_s);
998 wpa_s->blacklist_cleared++;
999 } else if (selected == NULL)
1007 static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
1008 int timeout_sec, int timeout_usec)
1010 if (!wpa_supplicant_enabled_networks(wpa_s)) {
1012 * No networks are enabled; short-circuit request so
1013 * we don't wait timeout seconds before transitioning
1014 * to INACTIVE state.
1016 wpa_dbg(wpa_s, MSG_DEBUG, "Short-circuit new scan request "
1017 "since there are no enabled networks");
1018 wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
1022 wpa_s->scan_for_connection = 1;
1023 wpa_supplicant_req_scan(wpa_s, timeout_sec, timeout_usec);
1027 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1028 struct wpa_bss *selected,
1029 struct wpa_ssid *ssid)
1031 if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
1032 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
1033 "PBC session overlap");
1035 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT ||
1036 wpa_s->p2p_in_provisioning) {
1037 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb,
1041 #endif /* CONFIG_P2P */
1044 wpas_wps_cancel(wpa_s);
1045 #endif /* CONFIG_WPS */
1049 wpa_msg(wpa_s, MSG_DEBUG,
1050 "Considering connect request: reassociate: %d selected: "
1051 MACSTR " bssid: " MACSTR " pending: " MACSTR
1052 " wpa_state: %s ssid=%p current_ssid=%p",
1053 wpa_s->reassociate, MAC2STR(selected->bssid),
1054 MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->pending_bssid),
1055 wpa_supplicant_state_txt(wpa_s->wpa_state),
1056 ssid, wpa_s->current_ssid);
1059 * Do not trigger new association unless the BSSID has changed or if
1060 * reassociation is requested. If we are in process of associating with
1061 * the selected BSSID, do not trigger new attempt.
1063 if (wpa_s->reassociate ||
1064 (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
1065 ((wpa_s->wpa_state != WPA_ASSOCIATING &&
1066 wpa_s->wpa_state != WPA_AUTHENTICATING) ||
1067 (!is_zero_ether_addr(wpa_s->pending_bssid) &&
1068 os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
1070 (is_zero_ether_addr(wpa_s->pending_bssid) &&
1071 ssid != wpa_s->current_ssid)))) {
1072 if (wpa_supplicant_scard_init(wpa_s, ssid)) {
1073 wpa_supplicant_req_new_scan(wpa_s, 10, 0);
1076 wpa_msg(wpa_s, MSG_DEBUG, "Request association with " MACSTR,
1077 MAC2STR(selected->bssid));
1078 wpa_supplicant_associate(wpa_s, selected, ssid);
1080 wpa_dbg(wpa_s, MSG_DEBUG, "Already associated or trying to "
1081 "connect with the selected AP");
1088 static struct wpa_ssid *
1089 wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
1092 struct wpa_ssid *ssid;
1094 for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
1095 for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
1097 if (wpas_network_disabled(wpa_s, ssid))
1099 if (ssid->mode == IEEE80211_MODE_IBSS ||
1100 ssid->mode == IEEE80211_MODE_AP ||
1101 ssid->mode == IEEE80211_MODE_MESH)
1109 /* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
1110 * on BSS added and BSS changed events */
1111 static void wpa_supplicant_rsn_preauth_scan_results(
1112 struct wpa_supplicant *wpa_s)
1114 struct wpa_bss *bss;
1116 if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
1119 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1120 const u8 *ssid, *rsn;
1122 ssid = wpa_bss_get_ie(bss, WLAN_EID_SSID);
1126 rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1130 rsn_preauth_scan_result(wpa_s->wpa, bss->bssid, ssid, rsn);
1136 static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s,
1137 struct wpa_bss *selected,
1138 struct wpa_ssid *ssid)
1140 struct wpa_bss *current_bss = NULL;
1143 if (wpa_s->reassociate)
1144 return 1; /* explicit request to reassociate */
1145 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1146 return 1; /* we are not associated; continue */
1147 if (wpa_s->current_ssid == NULL)
1148 return 1; /* unknown current SSID */
1149 if (wpa_s->current_ssid != ssid)
1150 return 1; /* different network block */
1152 if (wpas_driver_bss_selection(wpa_s))
1153 return 0; /* Driver-based roaming */
1155 if (wpa_s->current_ssid->ssid)
1156 current_bss = wpa_bss_get(wpa_s, wpa_s->bssid,
1157 wpa_s->current_ssid->ssid,
1158 wpa_s->current_ssid->ssid_len);
1160 current_bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
1163 return 1; /* current BSS not seen in scan results */
1165 if (current_bss == selected)
1168 if (selected->last_update_idx > current_bss->last_update_idx)
1169 return 1; /* current BSS not seen in the last scan */
1171 #ifndef CONFIG_NO_ROAMING
1172 wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
1173 wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
1174 MAC2STR(current_bss->bssid), current_bss->level);
1175 wpa_dbg(wpa_s, MSG_DEBUG, "Selected BSS: " MACSTR " level=%d",
1176 MAC2STR(selected->bssid), selected->level);
1178 if (wpa_s->current_ssid->bssid_set &&
1179 os_memcmp(selected->bssid, wpa_s->current_ssid->bssid, ETH_ALEN) ==
1181 wpa_dbg(wpa_s, MSG_DEBUG, "Allow reassociation - selected BSS "
1182 "has preferred BSSID");
1186 if (current_bss->level < 0 && current_bss->level > selected->level) {
1187 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better "
1193 if (current_bss->level < 0) {
1194 if (current_bss->level < -85)
1196 else if (current_bss->level < -80)
1198 else if (current_bss->level < -75)
1200 else if (current_bss->level < -70)
1205 if (abs(current_bss->level - selected->level) < min_diff) {
1206 wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference "
1212 #else /* CONFIG_NO_ROAMING */
1214 #endif /* CONFIG_NO_ROAMING */
1218 /* Return != 0 if no scan results could be fetched or if scan results should not
1219 * be shared with other virtual interfaces. */
1220 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1221 union wpa_event_data *data,
1224 struct wpa_scan_results *scan_res = NULL;
1227 #ifndef CONFIG_NO_RANDOM_POOL
1229 #endif /* CONFIG_NO_RANDOM_POOL */
1232 if (wpa_s->ap_iface)
1234 #endif /* CONFIG_AP */
1236 wpa_supplicant_notify_scanning(wpa_s, 0);
1238 scan_res = wpa_supplicant_get_scan_results(wpa_s,
1239 data ? &data->scan_info :
1241 if (scan_res == NULL) {
1242 if (wpa_s->conf->ap_scan == 2 || ap ||
1243 wpa_s->scan_res_handler == scan_only_handler)
1247 wpa_dbg(wpa_s, MSG_DEBUG, "Failed to get scan results - try "
1249 wpa_supplicant_req_new_scan(wpa_s, 1, 0);
1251 goto scan_work_done;
1254 #ifndef CONFIG_NO_RANDOM_POOL
1255 num = scan_res->num;
1258 for (i = 0; i < num; i++) {
1260 struct wpa_scan_res *res = scan_res->res[i];
1261 buf[0] = res->bssid[5];
1262 buf[1] = res->qual & 0xff;
1263 buf[2] = res->noise & 0xff;
1264 buf[3] = res->level & 0xff;
1265 buf[4] = res->tsf & 0xff;
1266 random_add_randomness(buf, sizeof(buf));
1268 #endif /* CONFIG_NO_RANDOM_POOL */
1270 if (own_request && wpa_s->scan_res_handler &&
1271 (wpa_s->own_scan_running || !wpa_s->external_scan_running)) {
1272 void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
1273 struct wpa_scan_results *scan_res);
1275 scan_res_handler = wpa_s->scan_res_handler;
1276 wpa_s->scan_res_handler = NULL;
1277 scan_res_handler(wpa_s, scan_res);
1279 goto scan_work_done;
1283 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore scan results in AP mode");
1285 if (wpa_s->ap_iface->scan_cb)
1286 wpa_s->ap_iface->scan_cb(wpa_s->ap_iface);
1287 #endif /* CONFIG_AP */
1288 goto scan_work_done;
1291 wpa_dbg(wpa_s, MSG_DEBUG, "New scan results available (own=%u ext=%u)",
1292 wpa_s->own_scan_running, wpa_s->external_scan_running);
1293 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
1294 wpa_s->manual_scan_use_id && wpa_s->own_scan_running) {
1295 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
1296 wpa_s->manual_scan_id);
1297 wpa_s->manual_scan_use_id = 0;
1299 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
1301 wpas_notify_scan_results(wpa_s);
1303 wpas_notify_scan_done(wpa_s, 1);
1305 if (!wpa_s->own_scan_running && wpa_s->external_scan_running) {
1306 wpa_dbg(wpa_s, MSG_DEBUG, "Do not use results from externally requested scan operation for network selection");
1307 wpa_scan_results_free(scan_res);
1311 if (wnm_scan_process(wpa_s, 1) > 0)
1312 goto scan_work_done;
1314 if (sme_proc_obss_scan(wpa_s) > 0)
1315 goto scan_work_done;
1317 if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)))
1318 goto scan_work_done;
1320 if (autoscan_notify_scan(wpa_s, scan_res))
1321 goto scan_work_done;
1323 if (wpa_s->disconnected) {
1324 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
1325 goto scan_work_done;
1328 if (!wpas_driver_bss_selection(wpa_s) &&
1329 bgscan_notify_scan(wpa_s, scan_res) == 1)
1330 goto scan_work_done;
1332 wpas_wps_update_ap_info(wpa_s, scan_res);
1334 wpa_scan_results_free(scan_res);
1336 if (wpa_s->scan_work) {
1337 struct wpa_radio_work *work = wpa_s->scan_work;
1338 wpa_s->scan_work = NULL;
1339 radio_work_done(work);
1342 return wpas_select_network_from_last_scan(wpa_s, 1, own_request);
1345 wpa_scan_results_free(scan_res);
1346 if (wpa_s->scan_work) {
1347 struct wpa_radio_work *work = wpa_s->scan_work;
1348 wpa_s->scan_work = NULL;
1349 radio_work_done(work);
1355 static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
1356 int new_scan, int own_request)
1358 struct wpa_bss *selected;
1359 struct wpa_ssid *ssid = NULL;
1361 selected = wpa_supplicant_pick_network(wpa_s, &ssid);
1365 skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid);
1368 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1372 if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
1373 wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
1377 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1379 * Do not notify other virtual radios of scan results since we do not
1380 * want them to start other associations at the same time.
1386 wpa_msg(wpa_s, MSG_INFO,
1387 "Avoiding join because we already joined a mesh group");
1390 #endif /* CONFIG_MESH */
1391 wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
1392 ssid = wpa_supplicant_pick_new_network(wpa_s);
1394 wpa_dbg(wpa_s, MSG_DEBUG, "Setup a new network");
1395 wpa_supplicant_associate(wpa_s, NULL, ssid);
1397 wpa_supplicant_rsn_preauth_scan_results(wpa_s);
1398 } else if (own_request) {
1400 * No SSID found. If SCAN results are as a result of
1401 * own scan request and not due to a scan request on
1402 * another shared interface, try another scan.
1404 int timeout_sec = wpa_s->scan_interval;
1405 int timeout_usec = 0;
1407 if (wpas_p2p_scan_no_go_seen(wpa_s) == 1)
1410 if (wpa_s->p2p_in_provisioning ||
1411 wpa_s->show_group_started ||
1412 wpa_s->p2p_in_invitation) {
1414 * Use shorter wait during P2P Provisioning
1415 * state and during P2P join-a-group operation
1416 * to speed up group formation.
1419 timeout_usec = 250000;
1420 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1424 #endif /* CONFIG_P2P */
1425 #ifdef CONFIG_INTERWORKING
1426 if (wpa_s->conf->auto_interworking &&
1427 wpa_s->conf->interworking &&
1428 wpa_s->conf->cred) {
1429 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: "
1430 "start ANQP fetch since no matching "
1432 wpa_s->network_select = 1;
1433 wpa_s->auto_network_select = 1;
1434 interworking_start_fetch_anqp(wpa_s);
1437 #endif /* CONFIG_INTERWORKING */
1439 if (wpa_s->after_wps > 0 || wpas_wps_searching(wpa_s)) {
1440 wpa_dbg(wpa_s, MSG_DEBUG, "Use shorter wait during WPS processing");
1442 timeout_usec = 500000;
1443 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1447 #endif /* CONFIG_WPS */
1448 if (wpa_supplicant_req_sched_scan(wpa_s))
1449 wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
1457 static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
1458 union wpa_event_data *data)
1460 struct wpa_supplicant *ifs;
1462 if (_wpa_supplicant_event_scan_results(wpa_s, data, 1) != 0) {
1464 * If no scan results could be fetched, then no need to
1465 * notify those interfaces that did not actually request
1466 * this scan. Similarly, if scan results started a new operation on this
1467 * interface, do not notify other interfaces to avoid concurrent
1468 * operations during a connection attempt.
1474 * Check other interfaces to see if they share the same radio. If
1475 * so, they get updated with this same scan info.
1477 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
1480 wpa_printf(MSG_DEBUG, "%s: Updating scan results from "
1481 "sibling", ifs->ifname);
1482 _wpa_supplicant_event_scan_results(ifs, data, 0);
1487 #endif /* CONFIG_NO_SCAN_PROCESSING */
1490 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s)
1492 #ifdef CONFIG_NO_SCAN_PROCESSING
1494 #else /* CONFIG_NO_SCAN_PROCESSING */
1495 struct os_reltime now;
1497 if (wpa_s->last_scan_res_used <= 0)
1500 os_get_reltime(&now);
1501 if (os_reltime_expired(&now, &wpa_s->last_scan, 5)) {
1502 wpa_printf(MSG_DEBUG, "Fast associate: Old scan results");
1506 return wpas_select_network_from_last_scan(wpa_s, 0, 1);
1507 #endif /* CONFIG_NO_SCAN_PROCESSING */
1512 static void wnm_bss_keep_alive(void *eloop_ctx, void *sock_ctx)
1514 struct wpa_supplicant *wpa_s = eloop_ctx;
1516 if (wpa_s->wpa_state < WPA_ASSOCIATED)
1519 if (!wpa_s->no_keep_alive) {
1520 wpa_printf(MSG_DEBUG, "WNM: Send keep-alive to AP " MACSTR,
1521 MAC2STR(wpa_s->bssid));
1522 /* TODO: could skip this if normal data traffic has been sent */
1523 /* TODO: Consider using some more appropriate data frame for
1526 l2_packet_send(wpa_s->l2, wpa_s->bssid, 0x0800,
1531 if (wpa_s->sme.bss_max_idle_period) {
1533 msec = wpa_s->sme.bss_max_idle_period * 1024; /* times 1000 */
1536 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1537 wnm_bss_keep_alive, wpa_s, NULL);
1539 #endif /* CONFIG_SME */
1543 static void wnm_process_assoc_resp(struct wpa_supplicant *wpa_s,
1544 const u8 *ies, size_t ies_len)
1546 struct ieee802_11_elems elems;
1551 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1555 if (elems.bss_max_idle_period) {
1557 wpa_s->sme.bss_max_idle_period =
1558 WPA_GET_LE16(elems.bss_max_idle_period);
1559 wpa_printf(MSG_DEBUG, "WNM: BSS Max Idle Period: %u (* 1000 "
1560 "TU)%s", wpa_s->sme.bss_max_idle_period,
1561 (elems.bss_max_idle_period[2] & 0x01) ?
1562 " (protected keep-live required)" : "");
1563 if (wpa_s->sme.bss_max_idle_period == 0)
1564 wpa_s->sme.bss_max_idle_period = 1;
1565 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
1566 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1567 /* msec times 1000 */
1568 msec = wpa_s->sme.bss_max_idle_period * 1024;
1571 eloop_register_timeout(msec / 1000, msec % 1000 * 1000,
1572 wnm_bss_keep_alive, wpa_s,
1576 #endif /* CONFIG_SME */
1579 #endif /* CONFIG_WNM */
1582 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s)
1585 eloop_cancel_timeout(wnm_bss_keep_alive, wpa_s, NULL);
1586 #endif /* CONFIG_WNM */
1590 #ifdef CONFIG_INTERWORKING
1592 static int wpas_qos_map_set(struct wpa_supplicant *wpa_s, const u8 *qos_map,
1597 wpa_hexdump(MSG_DEBUG, "Interworking: QoS Map Set", qos_map, len);
1598 res = wpa_drv_set_qos_map(wpa_s, qos_map, len);
1600 wpa_printf(MSG_DEBUG, "Interworking: Failed to configure QoS Map Set to the driver");
1607 static void interworking_process_assoc_resp(struct wpa_supplicant *wpa_s,
1608 const u8 *ies, size_t ies_len)
1610 struct ieee802_11_elems elems;
1615 if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
1618 if (elems.qos_map_set) {
1619 wpas_qos_map_set(wpa_s, elems.qos_map_set,
1620 elems.qos_map_set_len);
1624 #endif /* CONFIG_INTERWORKING */
1627 static int wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
1628 union wpa_event_data *data)
1630 int l, len, found = 0, wpa_found, rsn_found;
1632 #ifdef CONFIG_IEEE80211R
1634 #endif /* CONFIG_IEEE80211R */
1636 wpa_dbg(wpa_s, MSG_DEBUG, "Association info event");
1637 if (data->assoc_info.req_ies)
1638 wpa_hexdump(MSG_DEBUG, "req_ies", data->assoc_info.req_ies,
1639 data->assoc_info.req_ies_len);
1640 if (data->assoc_info.resp_ies) {
1641 wpa_hexdump(MSG_DEBUG, "resp_ies", data->assoc_info.resp_ies,
1642 data->assoc_info.resp_ies_len);
1644 wpa_tdls_assoc_resp_ies(wpa_s->wpa, data->assoc_info.resp_ies,
1645 data->assoc_info.resp_ies_len);
1646 #endif /* CONFIG_TDLS */
1648 wnm_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1649 data->assoc_info.resp_ies_len);
1650 #endif /* CONFIG_WNM */
1651 #ifdef CONFIG_INTERWORKING
1652 interworking_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
1653 data->assoc_info.resp_ies_len);
1654 #endif /* CONFIG_INTERWORKING */
1656 if (data->assoc_info.beacon_ies)
1657 wpa_hexdump(MSG_DEBUG, "beacon_ies",
1658 data->assoc_info.beacon_ies,
1659 data->assoc_info.beacon_ies_len);
1660 if (data->assoc_info.freq)
1661 wpa_dbg(wpa_s, MSG_DEBUG, "freq=%u MHz",
1662 data->assoc_info.freq);
1664 p = data->assoc_info.req_ies;
1665 l = data->assoc_info.req_ies_len;
1667 /* Go through the IEs and make a copy of the WPA/RSN IE, if present. */
1668 while (p && l >= 2) {
1671 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1675 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1676 (os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0)) ||
1677 (p[0] == WLAN_EID_RSN && p[1] >= 2)) {
1678 if (wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, p, len))
1681 wpa_find_assoc_pmkid(wpa_s);
1687 if (!found && data->assoc_info.req_ies)
1688 wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
1690 #ifdef CONFIG_IEEE80211R
1692 if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FT) {
1693 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1694 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1695 data->assoc_info.resp_ies,
1696 data->assoc_info.resp_ies_len,
1698 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1699 "Reassociation Response failed");
1700 wpa_supplicant_deauthenticate(
1701 wpa_s, WLAN_REASON_INVALID_IE);
1706 p = data->assoc_info.resp_ies;
1707 l = data->assoc_info.resp_ies_len;
1709 #ifdef CONFIG_WPS_STRICT
1710 if (p && wpa_s->current_ssid &&
1711 wpa_s->current_ssid->key_mgmt == WPA_KEY_MGMT_WPS) {
1713 wps = ieee802_11_vendor_ie_concat(p, l, WPS_IE_VENDOR_TYPE);
1715 wpa_msg(wpa_s, MSG_INFO, "WPS-STRICT: AP did not "
1716 "include WPS IE in (Re)Association Response");
1720 if (wps_validate_assoc_resp(wps) < 0) {
1722 wpa_supplicant_deauthenticate(
1723 wpa_s, WLAN_REASON_INVALID_IE);
1728 #endif /* CONFIG_WPS_STRICT */
1730 /* Go through the IEs and make a copy of the MDIE, if present. */
1731 while (p && l >= 2) {
1734 wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
1738 if (p[0] == WLAN_EID_MOBILITY_DOMAIN &&
1739 p[1] >= MOBILITY_DOMAIN_ID_LEN) {
1740 wpa_s->sme.ft_used = 1;
1741 os_memcpy(wpa_s->sme.mobility_domain, p + 2,
1742 MOBILITY_DOMAIN_ID_LEN);
1748 #endif /* CONFIG_SME */
1750 /* Process FT when SME is in the driver */
1751 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&
1752 wpa_ft_is_completed(wpa_s->wpa)) {
1753 if (wpa_drv_get_bssid(wpa_s, bssid) < 0 ||
1754 wpa_ft_validate_reassoc_resp(wpa_s->wpa,
1755 data->assoc_info.resp_ies,
1756 data->assoc_info.resp_ies_len,
1758 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Validation of "
1759 "Reassociation Response failed");
1760 wpa_supplicant_deauthenticate(
1761 wpa_s, WLAN_REASON_INVALID_IE);
1764 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Reassociation Response done");
1767 wpa_sm_set_ft_params(wpa_s->wpa, data->assoc_info.resp_ies,
1768 data->assoc_info.resp_ies_len);
1769 #endif /* CONFIG_IEEE80211R */
1771 /* WPA/RSN IE from Beacon/ProbeResp */
1772 p = data->assoc_info.beacon_ies;
1773 l = data->assoc_info.beacon_ies_len;
1775 /* Go through the IEs and make a copy of the WPA/RSN IEs, if present.
1777 wpa_found = rsn_found = 0;
1778 while (p && l >= 2) {
1781 wpa_hexdump(MSG_DEBUG, "Truncated IE in beacon_ies",
1786 p[0] == WLAN_EID_VENDOR_SPECIFIC && p[1] >= 6 &&
1787 os_memcmp(&p[2], "\x00\x50\xF2\x01\x01\x00", 6) == 0) {
1789 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, p, len);
1793 p[0] == WLAN_EID_RSN && p[1] >= 2) {
1795 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, p, len);
1802 if (!wpa_found && data->assoc_info.beacon_ies)
1803 wpa_sm_set_ap_wpa_ie(wpa_s->wpa, NULL, 0);
1804 if (!rsn_found && data->assoc_info.beacon_ies)
1805 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
1806 if (wpa_found || rsn_found)
1807 wpa_s->ap_ies_from_associnfo = 1;
1809 if (wpa_s->assoc_freq && data->assoc_info.freq &&
1810 wpa_s->assoc_freq != data->assoc_info.freq) {
1811 wpa_printf(MSG_DEBUG, "Operating frequency changed from "
1813 wpa_s->assoc_freq, data->assoc_info.freq);
1814 wpa_supplicant_update_scan_results(wpa_s);
1817 wpa_s->assoc_freq = data->assoc_info.freq;
1823 static int wpa_supplicant_assoc_update_ie(struct wpa_supplicant *wpa_s)
1825 const u8 *bss_wpa = NULL, *bss_rsn = NULL;
1827 if (!wpa_s->current_bss || !wpa_s->current_ssid)
1830 if (!wpa_key_mgmt_wpa_any(wpa_s->current_ssid->key_mgmt))
1833 bss_wpa = wpa_bss_get_vendor_ie(wpa_s->current_bss,
1834 WPA_IE_VENDOR_TYPE);
1835 bss_rsn = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_RSN);
1837 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, bss_wpa,
1838 bss_wpa ? 2 + bss_wpa[1] : 0) ||
1839 wpa_sm_set_ap_rsn_ie(wpa_s->wpa, bss_rsn,
1840 bss_rsn ? 2 + bss_rsn[1] : 0))
1847 static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
1848 union wpa_event_data *data)
1854 if (wpa_s->ap_iface) {
1857 hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
1858 data->assoc_info.addr,
1859 data->assoc_info.req_ies,
1860 data->assoc_info.req_ies_len,
1861 data->assoc_info.reassoc);
1864 #endif /* CONFIG_AP */
1866 ft_completed = wpa_ft_is_completed(wpa_s->wpa);
1867 if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0)
1870 if (wpa_drv_get_bssid(wpa_s, bssid) < 0) {
1871 wpa_dbg(wpa_s, MSG_ERROR, "Failed to get BSSID");
1872 wpa_supplicant_deauthenticate(
1873 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1877 wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
1878 if (os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) {
1879 wpa_dbg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
1880 MACSTR, MAC2STR(bssid));
1881 random_add_randomness(bssid, ETH_ALEN);
1882 os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
1883 os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
1884 wpas_notify_bssid_changed(wpa_s);
1886 if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
1887 wpa_clear_keys(wpa_s, bssid);
1889 if (wpa_supplicant_select_config(wpa_s) < 0) {
1890 wpa_supplicant_deauthenticate(
1891 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1895 if (wpa_s->conf->ap_scan == 1 &&
1896 wpa_s->drv_flags & WPA_DRIVER_FLAGS_BSS_SELECTION) {
1897 if (wpa_supplicant_assoc_update_ie(wpa_s) < 0)
1898 wpa_msg(wpa_s, MSG_WARNING,
1899 "WPA/RSN IEs not updated");
1904 os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
1905 wpa_s->sme.prev_bssid_set = 1;
1906 wpa_s->sme.last_unprot_disconnect.sec = 0;
1907 #endif /* CONFIG_SME */
1909 wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
1910 if (wpa_s->current_ssid) {
1911 /* When using scanning (ap_scan=1), SIM PC/SC interface can be
1912 * initialized before association, but for other modes,
1913 * initialize PC/SC here, if the current configuration needs
1914 * smartcard or SIM/USIM. */
1915 wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid);
1917 wpa_sm_notify_assoc(wpa_s->wpa, bssid);
1919 l2_packet_notify_auth_start(wpa_s->l2);
1922 * Set portEnabled first to FALSE in order to get EAP state machine out
1923 * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE
1924 * state machine may transit to AUTHENTICATING state based on obsolete
1925 * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to
1926 * AUTHENTICATED without ever giving chance to EAP state machine to
1929 if (!ft_completed) {
1930 eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
1931 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
1933 if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed)
1934 eapol_sm_notify_eap_success(wpa_s->eapol, FALSE);
1935 /* 802.1X::portControl = Auto */
1936 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
1937 wpa_s->eapol_received = 0;
1938 if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
1939 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
1940 (wpa_s->current_ssid &&
1941 wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
1942 if (wpa_s->current_ssid &&
1943 wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
1945 WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
1947 * Set the key after having received joined-IBSS event
1950 wpa_supplicant_set_wpa_none_key(wpa_s,
1951 wpa_s->current_ssid);
1953 wpa_supplicant_cancel_auth_timeout(wpa_s);
1954 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1955 } else if (!ft_completed) {
1956 /* Timeout for receiving the first EAPOL packet */
1957 wpa_supplicant_req_auth_timeout(wpa_s, 10, 0);
1959 wpa_supplicant_cancel_scan(wpa_s);
1961 if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1962 wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
1964 * We are done; the driver will take care of RSN 4-way
1967 wpa_supplicant_cancel_auth_timeout(wpa_s);
1968 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1969 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1970 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1971 } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
1972 wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1974 * The driver will take care of RSN 4-way handshake, so we need
1975 * to allow EAPOL supplicant to complete its work without
1976 * waiting for WPA supplicant.
1978 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1979 } else if (ft_completed) {
1981 * FT protocol completed - make sure EAPOL state machine ends
1982 * up in authenticated.
1984 wpa_supplicant_cancel_auth_timeout(wpa_s);
1985 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
1986 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
1987 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
1990 wpa_s->last_eapol_matches_bssid = 0;
1992 if (wpa_s->pending_eapol_rx) {
1993 struct os_reltime now, age;
1994 os_get_reltime(&now);
1995 os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
1996 if (age.sec == 0 && age.usec < 100000 &&
1997 os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
1999 wpa_dbg(wpa_s, MSG_DEBUG, "Process pending EAPOL "
2000 "frame that was received just before "
2001 "association notification");
2002 wpa_supplicant_rx_eapol(
2003 wpa_s, wpa_s->pending_eapol_rx_src,
2004 wpabuf_head(wpa_s->pending_eapol_rx),
2005 wpabuf_len(wpa_s->pending_eapol_rx));
2007 wpabuf_free(wpa_s->pending_eapol_rx);
2008 wpa_s->pending_eapol_rx = NULL;
2011 if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
2012 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
2013 wpa_s->current_ssid &&
2014 (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
2015 /* Set static WEP keys again */
2016 wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
2019 #ifdef CONFIG_IBSS_RSN
2020 if (wpa_s->current_ssid &&
2021 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
2022 wpa_s->key_mgmt != WPA_KEY_MGMT_NONE &&
2023 wpa_s->key_mgmt != WPA_KEY_MGMT_WPA_NONE &&
2024 wpa_s->ibss_rsn == NULL) {
2025 wpa_s->ibss_rsn = ibss_rsn_init(wpa_s);
2026 if (!wpa_s->ibss_rsn) {
2027 wpa_msg(wpa_s, MSG_INFO, "Failed to init IBSS RSN");
2028 wpa_supplicant_deauthenticate(
2029 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2033 ibss_rsn_set_psk(wpa_s->ibss_rsn, wpa_s->current_ssid->psk);
2035 #endif /* CONFIG_IBSS_RSN */
2037 wpas_wps_notify_assoc(wpa_s, bssid);
2040 wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
2041 data->assoc_info.resp_ies_len,
2042 &data->assoc_info.wmm_params);
2044 if (wpa_s->reassoc_same_bss)
2045 wmm_ac_restore_tspecs(wpa_s);
2050 static int disconnect_reason_recoverable(u16 reason_code)
2052 return reason_code == WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY ||
2053 reason_code == WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA ||
2054 reason_code == WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA;
2058 static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
2060 int locally_generated)
2064 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2066 * At least Host AP driver and a Prism3 card seemed to be
2067 * generating streams of disconnected events when configuring
2068 * IBSS for WPA-None. Ignore them for now.
2073 bssid = wpa_s->bssid;
2074 if (is_zero_ether_addr(bssid))
2075 bssid = wpa_s->pending_bssid;
2077 if (!is_zero_ether_addr(bssid) ||
2078 wpa_s->wpa_state >= WPA_AUTHENTICATING) {
2079 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
2081 MAC2STR(bssid), reason_code,
2082 locally_generated ? " locally_generated=1" : "");
2087 static int could_be_psk_mismatch(struct wpa_supplicant *wpa_s, u16 reason_code,
2088 int locally_generated)
2090 if (wpa_s->wpa_state != WPA_4WAY_HANDSHAKE ||
2091 !wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
2092 return 0; /* Not in 4-way handshake with PSK */
2095 * It looks like connection was lost while trying to go through PSK
2096 * 4-way handshake. Filter out known disconnection cases that are caused
2097 * by something else than PSK mismatch to avoid confusing reports.
2100 if (locally_generated) {
2101 if (reason_code == WLAN_REASON_IE_IN_4WAY_DIFFERS)
2109 static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
2111 int locally_generated)
2115 u8 prev_pending_bssid[ETH_ALEN];
2116 struct wpa_bss *fast_reconnect = NULL;
2117 struct wpa_ssid *fast_reconnect_ssid = NULL;
2118 struct wpa_ssid *last_ssid;
2120 authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
2121 os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
2123 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
2125 * At least Host AP driver and a Prism3 card seemed to be
2126 * generating streams of disconnected events when configuring
2127 * IBSS for WPA-None. Ignore them for now.
2129 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - ignore in "
2130 "IBSS/WPA-None mode");
2134 if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
2135 wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
2136 "pre-shared key may be incorrect");
2137 if (wpas_p2p_4way_hs_failed(wpa_s) > 0)
2138 return; /* P2P group removed */
2139 wpas_auth_failed(wpa_s, "WRONG_KEY");
2141 if (!wpa_s->disconnected &&
2142 (!wpa_s->auto_reconnect_disabled ||
2143 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS ||
2144 wpas_wps_searching(wpa_s))) {
2145 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect enabled: try to "
2146 "reconnect (wps=%d/%d wpa_state=%d)",
2147 wpa_s->key_mgmt == WPA_KEY_MGMT_WPS,
2148 wpas_wps_searching(wpa_s),
2150 if (wpa_s->wpa_state == WPA_COMPLETED &&
2151 wpa_s->current_ssid &&
2152 wpa_s->current_ssid->mode == WPAS_MODE_INFRA &&
2153 !locally_generated &&
2154 disconnect_reason_recoverable(reason_code)) {
2156 * It looks like the AP has dropped association with
2157 * us, but could allow us to get back in. Try to
2158 * reconnect to the same BSS without full scan to save
2159 * time for some common cases.
2161 fast_reconnect = wpa_s->current_bss;
2162 fast_reconnect_ssid = wpa_s->current_ssid;
2163 } else if (wpa_s->wpa_state >= WPA_ASSOCIATING)
2164 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2166 wpa_dbg(wpa_s, MSG_DEBUG, "Do not request new "
2169 wpa_dbg(wpa_s, MSG_DEBUG, "Auto connect disabled: do not "
2170 "try to re-connect");
2171 wpa_s->reassociate = 0;
2172 wpa_s->disconnected = 1;
2173 wpa_supplicant_cancel_sched_scan(wpa_s);
2175 bssid = wpa_s->bssid;
2176 if (is_zero_ether_addr(bssid))
2177 bssid = wpa_s->pending_bssid;
2178 if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
2179 wpas_connection_failed(wpa_s, bssid);
2180 wpa_sm_notify_disassoc(wpa_s->wpa);
2181 if (locally_generated)
2182 wpa_s->disconnect_reason = -reason_code;
2184 wpa_s->disconnect_reason = reason_code;
2185 wpas_notify_disconnect_reason(wpa_s);
2186 if (wpa_supplicant_dynamic_keys(wpa_s)) {
2187 wpa_dbg(wpa_s, MSG_DEBUG, "Disconnect event - remove keys");
2188 wpa_clear_keys(wpa_s, wpa_s->bssid);
2190 last_ssid = wpa_s->current_ssid;
2191 wpa_supplicant_mark_disassoc(wpa_s);
2193 if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
2194 sme_disassoc_while_authenticating(wpa_s, prev_pending_bssid);
2195 wpa_s->current_ssid = last_ssid;
2198 if (fast_reconnect &&
2199 !wpas_network_disabled(wpa_s, fast_reconnect_ssid) &&
2200 !disallowed_bssid(wpa_s, fast_reconnect->bssid) &&
2201 !disallowed_ssid(wpa_s, fast_reconnect->ssid,
2202 fast_reconnect->ssid_len) &&
2203 !wpas_temp_disabled(wpa_s, fast_reconnect_ssid)) {
2204 #ifndef CONFIG_NO_SCAN_PROCESSING
2205 wpa_dbg(wpa_s, MSG_DEBUG, "Try to reconnect to the same BSS");
2206 if (wpa_supplicant_connect(wpa_s, fast_reconnect,
2207 fast_reconnect_ssid) < 0) {
2208 /* Recover through full scan */
2209 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2211 #endif /* CONFIG_NO_SCAN_PROCESSING */
2212 } else if (fast_reconnect) {
2214 * Could not reconnect to the same BSS due to network being
2215 * disabled. Use a new scan to match the alternative behavior
2216 * above, i.e., to continue automatic reconnection attempt in a
2217 * way that enforces disabled network rules.
2219 wpa_supplicant_req_scan(wpa_s, 0, 100000);
2224 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2225 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx)
2227 struct wpa_supplicant *wpa_s = eloop_ctx;
2229 if (!wpa_s->pending_mic_error_report)
2232 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Sending pending MIC error report");
2233 wpa_sm_key_request(wpa_s->wpa, 1, wpa_s->pending_mic_error_pairwise);
2234 wpa_s->pending_mic_error_report = 0;
2236 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2240 wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
2241 union wpa_event_data *data)
2244 struct os_reltime t;
2246 wpa_msg(wpa_s, MSG_WARNING, "Michael MIC failure detected");
2247 pairwise = (data && data->michael_mic_failure.unicast);
2249 if ((wpa_s->last_michael_mic_error.sec &&
2250 !os_reltime_expired(&t, &wpa_s->last_michael_mic_error, 60)) ||
2251 wpa_s->pending_mic_error_report) {
2252 if (wpa_s->pending_mic_error_report) {
2254 * Send the pending MIC error report immediately since
2255 * we are going to start countermeasures and AP better
2258 wpa_sm_key_request(wpa_s->wpa, 1,
2259 wpa_s->pending_mic_error_pairwise);
2262 /* Send the new MIC error report immediately since we are going
2263 * to start countermeasures and AP better do the same.
2265 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2267 /* initialize countermeasures */
2268 wpa_s->countermeasures = 1;
2270 wpa_blacklist_add(wpa_s, wpa_s->bssid);
2272 wpa_msg(wpa_s, MSG_WARNING, "TKIP countermeasures started");
2275 * Need to wait for completion of request frame. We do not get
2276 * any callback for the message completion, so just wait a
2277 * short while and hope for the best. */
2280 wpa_drv_set_countermeasures(wpa_s, 1);
2281 wpa_supplicant_deauthenticate(wpa_s,
2282 WLAN_REASON_MICHAEL_MIC_FAILURE);
2283 eloop_cancel_timeout(wpa_supplicant_stop_countermeasures,
2285 eloop_register_timeout(60, 0,
2286 wpa_supplicant_stop_countermeasures,
2288 /* TODO: mark the AP rejected for 60 second. STA is
2289 * allowed to associate with another AP.. */
2291 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
2292 if (wpa_s->mic_errors_seen) {
2294 * Reduce the effectiveness of Michael MIC error
2295 * reports as a means for attacking against TKIP if
2296 * more than one MIC failure is noticed with the same
2297 * PTK. We delay the transmission of the reports by a
2298 * random time between 0 and 60 seconds in order to
2299 * force the attacker wait 60 seconds before getting
2300 * the information on whether a frame resulted in a MIC
2306 if (os_get_random(rval, sizeof(rval)) < 0)
2307 sec = os_random() % 60;
2309 sec = WPA_GET_BE32(rval) % 60;
2310 wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Delay MIC error "
2311 "report %d seconds", sec);
2312 wpa_s->pending_mic_error_report = 1;
2313 wpa_s->pending_mic_error_pairwise = pairwise;
2314 eloop_cancel_timeout(
2315 wpa_supplicant_delayed_mic_error_report,
2317 eloop_register_timeout(
2318 sec, os_random() % 1000000,
2319 wpa_supplicant_delayed_mic_error_report,
2322 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2324 #else /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2325 wpa_sm_key_request(wpa_s->wpa, 1, pairwise);
2326 #endif /* CONFIG_DELAYED_MIC_ERROR_REPORT */
2328 wpa_s->last_michael_mic_error = t;
2329 wpa_s->mic_errors_seen++;
2333 #ifdef CONFIG_TERMINATE_ONLASTIF
2334 static int any_interfaces(struct wpa_supplicant *head)
2336 struct wpa_supplicant *wpa_s;
2338 for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
2339 if (!wpa_s->interface_removed)
2343 #endif /* CONFIG_TERMINATE_ONLASTIF */
2347 wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
2348 union wpa_event_data *data)
2350 if (os_strcmp(wpa_s->ifname, data->interface_status.ifname) != 0)
2353 switch (data->interface_status.ievent) {
2354 case EVENT_INTERFACE_ADDED:
2355 if (!wpa_s->interface_removed)
2357 wpa_s->interface_removed = 0;
2358 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was added");
2359 if (wpa_supplicant_driver_init(wpa_s) < 0) {
2360 wpa_msg(wpa_s, MSG_INFO, "Failed to initialize the "
2361 "driver after interface was added");
2364 case EVENT_INTERFACE_REMOVED:
2365 wpa_dbg(wpa_s, MSG_DEBUG, "Configured interface was removed");
2366 wpa_s->interface_removed = 1;
2367 wpa_supplicant_mark_disassoc(wpa_s);
2368 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
2369 l2_packet_deinit(wpa_s->l2);
2371 #ifdef CONFIG_TERMINATE_ONLASTIF
2372 /* check if last interface */
2373 if (!any_interfaces(wpa_s->global->ifaces))
2375 #endif /* CONFIG_TERMINATE_ONLASTIF */
2381 #ifdef CONFIG_PEERKEY
2383 wpa_supplicant_event_stkstart(struct wpa_supplicant *wpa_s,
2384 union wpa_event_data *data)
2388 wpa_sm_stkstart(wpa_s->wpa, data->stkstart.peer);
2390 #endif /* CONFIG_PEERKEY */
2394 static void wpa_supplicant_event_tdls(struct wpa_supplicant *wpa_s,
2395 union wpa_event_data *data)
2399 switch (data->tdls.oper) {
2400 case TDLS_REQUEST_SETUP:
2401 wpa_tdls_remove(wpa_s->wpa, data->tdls.peer);
2402 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2403 wpa_tdls_start(wpa_s->wpa, data->tdls.peer);
2405 wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, data->tdls.peer);
2407 case TDLS_REQUEST_TEARDOWN:
2408 if (wpa_tdls_is_external_setup(wpa_s->wpa))
2409 wpa_tdls_teardown_link(wpa_s->wpa, data->tdls.peer,
2410 data->tdls.reason_code);
2412 wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN,
2417 #endif /* CONFIG_TDLS */
2421 static void wpa_supplicant_event_wnm(struct wpa_supplicant *wpa_s,
2422 union wpa_event_data *data)
2426 switch (data->wnm.oper) {
2427 case WNM_OPER_SLEEP:
2428 wpa_printf(MSG_DEBUG, "Start sending WNM-Sleep Request "
2429 "(action=%d, intval=%d)",
2430 data->wnm.sleep_action, data->wnm.sleep_intval);
2431 ieee802_11_send_wnmsleep_req(wpa_s, data->wnm.sleep_action,
2432 data->wnm.sleep_intval, NULL);
2436 #endif /* CONFIG_WNM */
2439 #ifdef CONFIG_IEEE80211R
2441 wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
2442 union wpa_event_data *data)
2447 if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
2448 data->ft_ies.ies_len,
2449 data->ft_ies.ft_action,
2450 data->ft_ies.target_ap,
2451 data->ft_ies.ric_ies,
2452 data->ft_ies.ric_ies_len) < 0) {
2453 /* TODO: prevent MLME/driver from trying to associate? */
2456 #endif /* CONFIG_IEEE80211R */
2459 #ifdef CONFIG_IBSS_RSN
2460 static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
2461 union wpa_event_data *data)
2463 struct wpa_ssid *ssid;
2464 if (wpa_s->wpa_state < WPA_ASSOCIATED)
2468 ssid = wpa_s->current_ssid;
2471 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2474 ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
2478 static void wpa_supplicant_event_ibss_auth(struct wpa_supplicant *wpa_s,
2479 union wpa_event_data *data)
2481 struct wpa_ssid *ssid = wpa_s->current_ssid;
2486 /* check if the ssid is correctly configured as IBSS/RSN */
2487 if (ssid->mode != WPAS_MODE_IBSS || !wpa_key_mgmt_wpa(ssid->key_mgmt))
2490 ibss_rsn_handle_auth(wpa_s->ibss_rsn, data->rx_mgmt.frame,
2491 data->rx_mgmt.frame_len);
2493 #endif /* CONFIG_IBSS_RSN */
2496 #ifdef CONFIG_IEEE80211R
2497 static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
2500 const u8 *sta_addr, *target_ap_addr;
2503 wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
2504 if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
2505 return; /* only SME case supported for now */
2506 if (len < 1 + 2 * ETH_ALEN + 2)
2509 return; /* Only FT Action Response is supported for now */
2510 sta_addr = data + 1;
2511 target_ap_addr = data + 1 + ETH_ALEN;
2512 status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
2513 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Received FT Action Response: STA "
2514 MACSTR " TargetAP " MACSTR " status %u",
2515 MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
2517 if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
2518 wpa_dbg(wpa_s, MSG_DEBUG, "FT: Foreign STA Address " MACSTR
2519 " in FT Action Response", MAC2STR(sta_addr));
2524 wpa_dbg(wpa_s, MSG_DEBUG, "FT: FT Action Response indicates "
2525 "failure (status code %d)", status);
2526 /* TODO: report error to FT code(?) */
2530 if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
2531 len - (1 + 2 * ETH_ALEN + 2), 1,
2532 target_ap_addr, NULL, 0) < 0)
2537 struct wpa_bss *bss;
2538 bss = wpa_bss_get_bssid(wpa_s, target_ap_addr);
2540 wpa_s->sme.freq = bss->freq;
2541 wpa_s->sme.auth_alg = WPA_AUTH_ALG_FT;
2542 sme_associate(wpa_s, WPAS_MODE_INFRA, target_ap_addr,
2545 #endif /* CONFIG_SME */
2547 #endif /* CONFIG_IEEE80211R */
2550 static void wpa_supplicant_event_unprot_deauth(struct wpa_supplicant *wpa_s,
2551 struct unprot_deauth *e)
2553 #ifdef CONFIG_IEEE80211W
2554 wpa_printf(MSG_DEBUG, "Unprotected Deauthentication frame "
2555 "dropped: " MACSTR " -> " MACSTR
2556 " (reason code %u)",
2557 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2558 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2559 #endif /* CONFIG_IEEE80211W */
2563 static void wpa_supplicant_event_unprot_disassoc(struct wpa_supplicant *wpa_s,
2564 struct unprot_disassoc *e)
2566 #ifdef CONFIG_IEEE80211W
2567 wpa_printf(MSG_DEBUG, "Unprotected Disassociation frame "
2568 "dropped: " MACSTR " -> " MACSTR
2569 " (reason code %u)",
2570 MAC2STR(e->sa), MAC2STR(e->da), e->reason_code);
2571 sme_event_unprot_disconnect(wpa_s, e->sa, e->da, e->reason_code);
2572 #endif /* CONFIG_IEEE80211W */
2576 static void wpas_event_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
2577 u16 reason_code, int locally_generated,
2578 const u8 *ie, size_t ie_len, int deauth)
2581 if (wpa_s->ap_iface && addr) {
2582 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], addr);
2586 if (wpa_s->ap_iface) {
2587 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore deauth event in AP mode");
2590 #endif /* CONFIG_AP */
2592 wpa_supplicant_event_disassoc(wpa_s, reason_code, locally_generated);
2594 if (((reason_code == WLAN_REASON_IEEE_802_1X_AUTH_FAILED ||
2595 ((wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2596 (wpa_s->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA)) &&
2597 eapol_sm_failed(wpa_s->eapol))) &&
2598 !wpa_s->eap_expected_failure))
2599 wpas_auth_failed(wpa_s, "AUTH_FAILED");
2602 if (deauth && reason_code > 0) {
2603 if (wpas_p2p_deauth_notif(wpa_s, addr, reason_code, ie, ie_len,
2604 locally_generated) > 0) {
2606 * The interface was removed, so cannot continue
2607 * processing any additional operations after this.
2612 #endif /* CONFIG_P2P */
2614 wpa_supplicant_event_disassoc_finish(wpa_s, reason_code,
2619 static void wpas_event_disassoc(struct wpa_supplicant *wpa_s,
2620 struct disassoc_info *info)
2622 u16 reason_code = 0;
2623 int locally_generated = 0;
2624 const u8 *addr = NULL;
2625 const u8 *ie = NULL;
2628 wpa_dbg(wpa_s, MSG_DEBUG, "Disassociation notification");
2633 ie_len = info->ie_len;
2634 reason_code = info->reason_code;
2635 locally_generated = info->locally_generated;
2636 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s", reason_code,
2637 locally_generated ? " (locally generated)" : "");
2639 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2641 wpa_hexdump(MSG_DEBUG, "Disassociation frame IE(s)",
2646 if (wpa_s->ap_iface && info && info->addr) {
2647 hostapd_notif_disassoc(wpa_s->ap_iface->bss[0], info->addr);
2651 if (wpa_s->ap_iface) {
2652 wpa_dbg(wpa_s, MSG_DEBUG, "Ignore disassoc event in AP mode");
2655 #endif /* CONFIG_AP */
2659 wpas_p2p_disassoc_notif(
2660 wpa_s, info->addr, reason_code, info->ie, info->ie_len,
2663 #endif /* CONFIG_P2P */
2665 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
2666 sme_event_disassoc(wpa_s, info);
2668 wpas_event_disconnect(wpa_s, addr, reason_code, locally_generated,
2673 static void wpas_event_deauth(struct wpa_supplicant *wpa_s,
2674 struct deauth_info *info)
2676 u16 reason_code = 0;
2677 int locally_generated = 0;
2678 const u8 *addr = NULL;
2679 const u8 *ie = NULL;
2682 wpa_dbg(wpa_s, MSG_DEBUG, "Deauthentication notification");
2687 ie_len = info->ie_len;
2688 reason_code = info->reason_code;
2689 locally_generated = info->locally_generated;
2690 wpa_dbg(wpa_s, MSG_DEBUG, " * reason %u%s",
2692 locally_generated ? " (locally generated)" : "");
2694 wpa_dbg(wpa_s, MSG_DEBUG, " * address " MACSTR,
2697 wpa_hexdump(MSG_DEBUG, "Deauthentication frame IE(s)",
2701 wpa_reset_ft_completed(wpa_s->wpa);
2703 wpas_event_disconnect(wpa_s, addr, reason_code,
2704 locally_generated, ie, ie_len, 1);
2708 static const char * reg_init_str(enum reg_change_initiator init)
2711 case REGDOM_SET_BY_CORE:
2713 case REGDOM_SET_BY_USER:
2715 case REGDOM_SET_BY_DRIVER:
2717 case REGDOM_SET_BY_COUNTRY_IE:
2718 return "COUNTRY_IE";
2719 case REGDOM_BEACON_HINT:
2720 return "BEACON_HINT";
2726 static const char * reg_type_str(enum reg_type type)
2729 case REGDOM_TYPE_UNKNOWN:
2731 case REGDOM_TYPE_COUNTRY:
2733 case REGDOM_TYPE_WORLD:
2735 case REGDOM_TYPE_CUSTOM_WORLD:
2736 return "CUSTOM_WORLD";
2737 case REGDOM_TYPE_INTERSECTION:
2738 return "INTERSECTION";
2744 static void wpa_supplicant_update_channel_list(
2745 struct wpa_supplicant *wpa_s, struct channel_list_changed *info)
2747 struct wpa_supplicant *ifs;
2749 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_REGDOM_CHANGE "init=%s type=%s%s%s",
2750 reg_init_str(info->initiator), reg_type_str(info->type),
2751 info->alpha2[0] ? " alpha2=" : "",
2752 info->alpha2[0] ? info->alpha2 : "");
2754 if (wpa_s->drv_priv == NULL)
2755 return; /* Ignore event during drv initialization */
2757 free_hw_features(wpa_s);
2758 wpa_s->hw.modes = wpa_drv_get_hw_feature_data(
2759 wpa_s, &wpa_s->hw.num_modes, &wpa_s->hw.flags);
2761 wpas_p2p_update_channel_list(wpa_s);
2764 * Check other interfaces to see if they share the same radio. If
2765 * so, they get updated with this same hw mode info.
2767 dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
2770 wpa_printf(MSG_DEBUG, "%s: Updating hw mode",
2772 free_hw_features(ifs);
2773 ifs->hw.modes = wpa_drv_get_hw_feature_data(
2774 ifs, &ifs->hw.num_modes, &ifs->hw.flags);
2780 static void wpas_event_rx_mgmt_action(struct wpa_supplicant *wpa_s,
2781 const u8 *frame, size_t len, int freq,
2784 const struct ieee80211_mgmt *mgmt;
2789 if (len < IEEE80211_HDRLEN + 2)
2792 mgmt = (const struct ieee80211_mgmt *) frame;
2793 payload = frame + IEEE80211_HDRLEN;
2794 category = *payload++;
2795 plen = len - IEEE80211_HDRLEN - 1;
2797 wpa_dbg(wpa_s, MSG_DEBUG, "Received Action frame: SA=" MACSTR
2798 " Category=%u DataLen=%d freq=%d MHz",
2799 MAC2STR(mgmt->sa), category, (int) plen, freq);
2801 if (category == WLAN_ACTION_WMM) {
2802 wmm_ac_rx_action(wpa_s, mgmt->da, mgmt->sa, payload, plen);
2806 #ifdef CONFIG_IEEE80211R
2807 if (category == WLAN_ACTION_FT) {
2808 ft_rx_action(wpa_s, payload, plen);
2811 #endif /* CONFIG_IEEE80211R */
2813 #ifdef CONFIG_IEEE80211W
2815 if (category == WLAN_ACTION_SA_QUERY) {
2816 sme_sa_query_rx(wpa_s, mgmt->sa, payload, plen);
2819 #endif /* CONFIG_SME */
2820 #endif /* CONFIG_IEEE80211W */
2823 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
2824 ieee802_11_rx_wnm_action(wpa_s, mgmt, len);
2827 #endif /* CONFIG_WNM */
2830 if ((mgmt->u.action.category == WLAN_ACTION_PUBLIC ||
2831 mgmt->u.action.category == WLAN_ACTION_PROTECTED_DUAL) &&
2832 gas_query_rx(wpa_s->gas, mgmt->da, mgmt->sa, mgmt->bssid,
2833 mgmt->u.action.category,
2834 payload, plen, freq) == 0)
2836 #endif /* CONFIG_GAS */
2839 if (category == WLAN_ACTION_PUBLIC && plen >= 4 &&
2840 payload[0] == WLAN_TDLS_DISCOVERY_RESPONSE) {
2841 wpa_dbg(wpa_s, MSG_DEBUG,
2842 "TDLS: Received Discovery Response from " MACSTR,
2846 #endif /* CONFIG_TDLS */
2848 #ifdef CONFIG_INTERWORKING
2849 if (category == WLAN_ACTION_QOS && plen >= 1 &&
2850 payload[0] == QOS_QOS_MAP_CONFIG) {
2851 const u8 *pos = payload + 1;
2852 size_t qlen = plen - 1;
2853 wpa_dbg(wpa_s, MSG_DEBUG, "Interworking: Received QoS Map Configure frame from "
2854 MACSTR, MAC2STR(mgmt->sa));
2855 if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) == 0 &&
2856 qlen > 2 && pos[0] == WLAN_EID_QOS_MAP_SET &&
2857 pos[1] <= qlen - 2 && pos[1] >= 16)
2858 wpas_qos_map_set(wpa_s, pos + 2, pos[1]);
2861 #endif /* CONFIG_INTERWORKING */
2863 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
2864 payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
2865 wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, plen - 1);
2869 if (category == WLAN_ACTION_RADIO_MEASUREMENT &&
2870 payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
2871 wpas_rrm_handle_link_measurement_request(wpa_s, mgmt->sa,
2872 payload + 1, plen - 1,
2877 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
2878 category, payload, plen, freq);
2880 mesh_mpm_action_rx(wpa_s, mgmt, len);
2884 static void wpa_supplicant_notify_avoid_freq(struct wpa_supplicant *wpa_s,
2885 union wpa_event_data *event)
2888 struct wpa_supplicant *ifs;
2889 #endif /* CONFIG_P2P */
2890 struct wpa_freq_range_list *list;
2893 list = &event->freq_range;
2896 str = freq_range_list_str(list);
2897 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_AVOID_FREQ "ranges=%s",
2901 if (freq_range_list_parse(&wpa_s->global->p2p_go_avoid_freq, str)) {
2902 wpa_dbg(wpa_s, MSG_ERROR, "%s: Failed to parse freq range",
2905 wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Update channel list based on frequency avoid event");
2906 wpas_p2p_update_channel_list(wpa_s);
2909 for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
2911 if (!ifs->current_ssid ||
2912 !ifs->current_ssid->p2p_group ||
2913 (ifs->current_ssid->mode != WPAS_MODE_P2P_GO &&
2914 ifs->current_ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION))
2917 freq = ifs->current_ssid->frequency;
2918 if (!freq_range_list_includes(list, freq)) {
2919 wpa_dbg(ifs, MSG_DEBUG, "P2P GO operating frequency %d MHz in safe range",
2924 wpa_dbg(ifs, MSG_DEBUG, "P2P GO operating in unsafe frequency %d MHz",
2926 /* TODO: Consider using CSA or removing the group within
2928 wpa_msg(ifs, MSG_INFO, P2P_EVENT_REMOVE_AND_REFORM_GROUP);
2930 #endif /* CONFIG_P2P */
2936 static void wpa_supplicant_event_assoc_auth(struct wpa_supplicant *wpa_s,
2937 union wpa_event_data *data)
2939 wpa_dbg(wpa_s, MSG_DEBUG,
2940 "Connection authorized by device, previous state %d",
2942 if (wpa_s->wpa_state == WPA_ASSOCIATED) {
2943 wpa_supplicant_cancel_auth_timeout(wpa_s);
2944 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
2945 eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
2946 eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
2948 wpa_sm_set_rx_replay_ctr(wpa_s->wpa, data->assoc_info.key_replay_ctr);
2949 wpa_sm_set_ptk_kck_kek(wpa_s->wpa, data->assoc_info.ptk_kck,
2950 data->assoc_info.ptk_kek);
2954 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
2955 union wpa_event_data *data)
2957 struct wpa_supplicant *wpa_s = ctx;
2959 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED &&
2960 event != EVENT_INTERFACE_ENABLED &&
2961 event != EVENT_INTERFACE_STATUS &&
2962 event != EVENT_SCHED_SCAN_STOPPED) {
2963 wpa_dbg(wpa_s, MSG_DEBUG,
2964 "Ignore event %s (%d) while interface is disabled",
2965 event_to_string(event), event);
2969 #ifndef CONFIG_NO_STDOUT_DEBUG
2971 int level = MSG_DEBUG;
2973 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame_len >= 24) {
2974 const struct ieee80211_hdr *hdr;
2976 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
2977 fc = le_to_host16(hdr->frame_control);
2978 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2979 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
2980 level = MSG_EXCESSIVE;
2983 wpa_dbg(wpa_s, level, "Event %s (%d) received",
2984 event_to_string(event), event);
2986 #endif /* CONFIG_NO_STDOUT_DEBUG */
2990 sme_event_auth(wpa_s, data);
2993 wpa_supplicant_event_assoc(wpa_s, data);
2994 if (data && data->assoc_info.authorized)
2995 wpa_supplicant_event_assoc_auth(wpa_s, data);
2997 case EVENT_DISASSOC:
2998 wpas_event_disassoc(wpa_s,
2999 data ? &data->disassoc_info : NULL);
3002 wpas_event_deauth(wpa_s,
3003 data ? &data->deauth_info : NULL);
3005 case EVENT_MICHAEL_MIC_FAILURE:
3006 wpa_supplicant_event_michael_mic_failure(wpa_s, data);
3008 #ifndef CONFIG_NO_SCAN_PROCESSING
3009 case EVENT_SCAN_STARTED:
3010 os_get_reltime(&wpa_s->scan_start_time);
3011 if (wpa_s->own_scan_requested) {
3012 struct os_reltime diff;
3014 os_reltime_sub(&wpa_s->scan_start_time,
3015 &wpa_s->scan_trigger_time, &diff);
3016 wpa_dbg(wpa_s, MSG_DEBUG, "Own scan request started a scan in %ld.%06ld seconds",
3017 diff.sec, diff.usec);
3018 wpa_s->own_scan_requested = 0;
3019 wpa_s->own_scan_running = 1;
3020 if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
3021 wpa_s->manual_scan_use_id) {
3022 wpa_msg_ctrl(wpa_s, MSG_INFO,
3023 WPA_EVENT_SCAN_STARTED "id=%u",
3024 wpa_s->manual_scan_id);
3026 wpa_msg_ctrl(wpa_s, MSG_INFO,
3027 WPA_EVENT_SCAN_STARTED);
3030 wpa_dbg(wpa_s, MSG_DEBUG, "External program started a scan");
3031 wpa_s->external_scan_running = 1;
3032 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_STARTED);
3035 case EVENT_SCAN_RESULTS:
3036 if (os_reltime_initialized(&wpa_s->scan_start_time)) {
3037 struct os_reltime now, diff;
3038 os_get_reltime(&now);
3039 os_reltime_sub(&now, &wpa_s->scan_start_time, &diff);
3040 wpa_s->scan_start_time.sec = 0;
3041 wpa_s->scan_start_time.usec = 0;
3042 wpa_dbg(wpa_s, MSG_DEBUG, "Scan completed in %ld.%06ld seconds",
3043 diff.sec, diff.usec);
3045 wpa_supplicant_event_scan_results(wpa_s, data);
3046 wpa_s->own_scan_running = 0;
3047 wpa_s->external_scan_running = 0;
3048 radio_work_check_next(wpa_s);
3050 #endif /* CONFIG_NO_SCAN_PROCESSING */
3051 case EVENT_ASSOCINFO:
3052 wpa_supplicant_event_associnfo(wpa_s, data);
3054 case EVENT_INTERFACE_STATUS:
3055 wpa_supplicant_event_interface_status(wpa_s, data);
3057 case EVENT_PMKID_CANDIDATE:
3058 wpa_supplicant_event_pmkid_candidate(wpa_s, data);
3060 #ifdef CONFIG_PEERKEY
3061 case EVENT_STKSTART:
3062 wpa_supplicant_event_stkstart(wpa_s, data);
3064 #endif /* CONFIG_PEERKEY */
3067 wpa_supplicant_event_tdls(wpa_s, data);
3069 #endif /* CONFIG_TDLS */
3072 wpa_supplicant_event_wnm(wpa_s, data);
3074 #endif /* CONFIG_WNM */
3075 #ifdef CONFIG_IEEE80211R
3076 case EVENT_FT_RESPONSE:
3077 wpa_supplicant_event_ft_response(wpa_s, data);
3079 #endif /* CONFIG_IEEE80211R */
3080 #ifdef CONFIG_IBSS_RSN
3081 case EVENT_IBSS_RSN_START:
3082 wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
3084 #endif /* CONFIG_IBSS_RSN */
3085 case EVENT_ASSOC_REJECT:
3086 if (data->assoc_reject.bssid)
3087 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3088 "bssid=" MACSTR " status_code=%u",
3089 MAC2STR(data->assoc_reject.bssid),
3090 data->assoc_reject.status_code);
3092 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
3094 data->assoc_reject.status_code);
3095 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3096 sme_event_assoc_reject(wpa_s, data);
3098 const u8 *bssid = data->assoc_reject.bssid;
3099 if (bssid == NULL || is_zero_ether_addr(bssid))
3100 bssid = wpa_s->pending_bssid;
3101 wpas_connection_failed(wpa_s, bssid);
3102 wpa_supplicant_mark_disassoc(wpa_s);
3105 case EVENT_AUTH_TIMED_OUT:
3106 /* It is possible to get this event from earlier connection */
3107 if (wpa_s->current_ssid &&
3108 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3109 wpa_dbg(wpa_s, MSG_DEBUG,
3110 "Ignore AUTH_TIMED_OUT in mesh configuration");
3113 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3114 sme_event_auth_timed_out(wpa_s, data);
3116 case EVENT_ASSOC_TIMED_OUT:
3117 /* It is possible to get this event from earlier connection */
3118 if (wpa_s->current_ssid &&
3119 wpa_s->current_ssid->mode == WPAS_MODE_MESH) {
3120 wpa_dbg(wpa_s, MSG_DEBUG,
3121 "Ignore ASSOC_TIMED_OUT in mesh configuration");
3124 if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
3125 sme_event_assoc_timed_out(wpa_s, data);
3127 case EVENT_TX_STATUS:
3128 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS dst=" MACSTR
3129 " type=%d stype=%d",
3130 MAC2STR(data->tx_status.dst),
3131 data->tx_status.type, data->tx_status.stype);
3133 if (wpa_s->ap_iface == NULL) {
3134 #ifdef CONFIG_OFFCHANNEL
3135 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3136 data->tx_status.stype == WLAN_FC_STYPE_ACTION)
3137 offchannel_send_action_tx_status(
3138 wpa_s, data->tx_status.dst,
3139 data->tx_status.data,
3140 data->tx_status.data_len,
3141 data->tx_status.ack ?
3142 OFFCHANNEL_SEND_ACTION_SUCCESS :
3143 OFFCHANNEL_SEND_ACTION_NO_ACK);
3144 #endif /* CONFIG_OFFCHANNEL */
3147 #endif /* CONFIG_AP */
3148 #ifdef CONFIG_OFFCHANNEL
3149 wpa_dbg(wpa_s, MSG_DEBUG, "EVENT_TX_STATUS pending_dst="
3150 MACSTR, MAC2STR(wpa_s->parent->pending_action_dst));
3152 * Catch TX status events for Action frames we sent via group
3153 * interface in GO mode.
3155 if (data->tx_status.type == WLAN_FC_TYPE_MGMT &&
3156 data->tx_status.stype == WLAN_FC_STYPE_ACTION &&
3157 os_memcmp(wpa_s->parent->pending_action_dst,
3158 data->tx_status.dst, ETH_ALEN) == 0) {
3159 offchannel_send_action_tx_status(
3160 wpa_s->parent, data->tx_status.dst,
3161 data->tx_status.data,
3162 data->tx_status.data_len,
3163 data->tx_status.ack ?
3164 OFFCHANNEL_SEND_ACTION_SUCCESS :
3165 OFFCHANNEL_SEND_ACTION_NO_ACK);
3168 #endif /* CONFIG_OFFCHANNEL */
3170 switch (data->tx_status.type) {
3171 case WLAN_FC_TYPE_MGMT:
3172 ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
3173 data->tx_status.data_len,
3174 data->tx_status.stype,
3175 data->tx_status.ack);
3177 case WLAN_FC_TYPE_DATA:
3178 ap_tx_status(wpa_s, data->tx_status.dst,
3179 data->tx_status.data,
3180 data->tx_status.data_len,
3181 data->tx_status.ack);
3184 #endif /* CONFIG_AP */
3187 case EVENT_EAPOL_TX_STATUS:
3188 ap_eapol_tx_status(wpa_s, data->eapol_tx_status.dst,
3189 data->eapol_tx_status.data,
3190 data->eapol_tx_status.data_len,
3191 data->eapol_tx_status.ack);
3193 case EVENT_DRIVER_CLIENT_POLL_OK:
3194 ap_client_poll_ok(wpa_s, data->client_poll.addr);
3196 case EVENT_RX_FROM_UNKNOWN:
3197 if (wpa_s->ap_iface == NULL)
3199 ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.addr,
3200 data->rx_from_unknown.wds);
3202 case EVENT_CH_SWITCH:
3205 if (!wpa_s->ap_iface) {
3206 wpa_dbg(wpa_s, MSG_DEBUG, "AP: Ignore channel switch "
3207 "event in non-AP mode");
3211 wpas_ap_ch_switch(wpa_s, data->ch_switch.freq,
3212 data->ch_switch.ht_enabled,
3213 data->ch_switch.ch_offset,
3214 data->ch_switch.ch_width,
3215 data->ch_switch.cf1,
3216 data->ch_switch.cf2);
3218 #endif /* CONFIG_AP */
3219 case EVENT_RX_MGMT: {
3221 const struct ieee80211_mgmt *mgmt;
3223 #ifdef CONFIG_TESTING_OPTIONS
3224 if (wpa_s->ext_mgmt_frame_handling) {
3225 struct rx_mgmt *rx = &data->rx_mgmt;
3226 size_t hex_len = 2 * rx->frame_len + 1;
3227 char *hex = os_malloc(hex_len);
3229 wpa_snprintf_hex(hex, hex_len,
3230 rx->frame, rx->frame_len);
3231 wpa_msg(wpa_s, MSG_INFO, "MGMT-RX freq=%d datarate=%u ssi_signal=%d %s",
3232 rx->freq, rx->datarate, rx->ssi_signal,
3238 #endif /* CONFIG_TESTING_OPTIONS */
3240 mgmt = (const struct ieee80211_mgmt *)
3241 data->rx_mgmt.frame;
3242 fc = le_to_host16(mgmt->frame_control);
3243 stype = WLAN_FC_GET_STYPE(fc);
3246 if (wpa_s->ap_iface == NULL) {
3247 #endif /* CONFIG_AP */
3249 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3250 data->rx_mgmt.frame_len > 24) {
3251 const u8 *src = mgmt->sa;
3252 const u8 *ie = mgmt->u.probe_req.variable;
3253 size_t ie_len = data->rx_mgmt.frame_len -
3254 (mgmt->u.probe_req.variable -
3255 data->rx_mgmt.frame);
3256 wpas_p2p_probe_req_rx(
3257 wpa_s, src, mgmt->da,
3258 mgmt->bssid, ie, ie_len,
3259 data->rx_mgmt.ssi_signal);
3262 #endif /* CONFIG_P2P */
3263 #ifdef CONFIG_IBSS_RSN
3264 if (wpa_s->current_ssid &&
3265 wpa_s->current_ssid->mode == WPAS_MODE_IBSS &&
3266 stype == WLAN_FC_STYPE_AUTH &&
3267 data->rx_mgmt.frame_len >= 30) {
3268 wpa_supplicant_event_ibss_auth(wpa_s, data);
3271 #endif /* CONFIG_IBSS_RSN */
3273 if (stype == WLAN_FC_STYPE_ACTION) {
3274 wpas_event_rx_mgmt_action(
3275 wpa_s, data->rx_mgmt.frame,
3276 data->rx_mgmt.frame_len,
3278 data->rx_mgmt.ssi_signal);
3283 mesh_mpm_mgmt_rx(wpa_s, &data->rx_mgmt);
3287 wpa_dbg(wpa_s, MSG_DEBUG, "AP: ignore received "
3288 "management frame in non-AP mode");
3293 if (stype == WLAN_FC_STYPE_PROBE_REQ &&
3294 data->rx_mgmt.frame_len > 24) {
3295 const u8 *ie = mgmt->u.probe_req.variable;
3296 size_t ie_len = data->rx_mgmt.frame_len -
3297 (mgmt->u.probe_req.variable -
3298 data->rx_mgmt.frame);
3300 wpas_notify_preq(wpa_s, mgmt->sa, mgmt->da,
3301 mgmt->bssid, ie, ie_len,
3302 data->rx_mgmt.ssi_signal);
3305 ap_mgmt_rx(wpa_s, &data->rx_mgmt);
3306 #endif /* CONFIG_AP */
3309 case EVENT_RX_PROBE_REQ:
3310 if (data->rx_probe_req.sa == NULL ||
3311 data->rx_probe_req.ie == NULL)
3314 if (wpa_s->ap_iface) {
3315 hostapd_probe_req_rx(wpa_s->ap_iface->bss[0],
3316 data->rx_probe_req.sa,
3317 data->rx_probe_req.da,
3318 data->rx_probe_req.bssid,
3319 data->rx_probe_req.ie,
3320 data->rx_probe_req.ie_len,
3321 data->rx_probe_req.ssi_signal);
3324 #endif /* CONFIG_AP */
3325 wpas_p2p_probe_req_rx(wpa_s, data->rx_probe_req.sa,
3326 data->rx_probe_req.da,
3327 data->rx_probe_req.bssid,
3328 data->rx_probe_req.ie,
3329 data->rx_probe_req.ie_len,
3330 data->rx_probe_req.ssi_signal);
3332 case EVENT_REMAIN_ON_CHANNEL:
3333 #ifdef CONFIG_OFFCHANNEL
3334 offchannel_remain_on_channel_cb(
3335 wpa_s, data->remain_on_channel.freq,
3336 data->remain_on_channel.duration);
3337 #endif /* CONFIG_OFFCHANNEL */
3338 wpas_p2p_remain_on_channel_cb(
3339 wpa_s, data->remain_on_channel.freq,
3340 data->remain_on_channel.duration);
3342 case EVENT_CANCEL_REMAIN_ON_CHANNEL:
3343 #ifdef CONFIG_OFFCHANNEL
3344 offchannel_cancel_remain_on_channel_cb(
3345 wpa_s, data->remain_on_channel.freq);
3346 #endif /* CONFIG_OFFCHANNEL */
3347 wpas_p2p_cancel_remain_on_channel_cb(
3348 wpa_s, data->remain_on_channel.freq);
3350 case EVENT_EAPOL_RX:
3351 wpa_supplicant_rx_eapol(wpa_s, data->eapol_rx.src,
3352 data->eapol_rx.data,
3353 data->eapol_rx.data_len);
3355 case EVENT_SIGNAL_CHANGE:
3356 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SIGNAL_CHANGE
3357 "above=%d signal=%d noise=%d txrate=%d",
3358 data->signal_change.above_threshold,
3359 data->signal_change.current_signal,
3360 data->signal_change.current_noise,
3361 data->signal_change.current_txrate);
3362 bgscan_notify_signal_change(
3363 wpa_s, data->signal_change.above_threshold,
3364 data->signal_change.current_signal,
3365 data->signal_change.current_noise,
3366 data->signal_change.current_txrate);
3368 case EVENT_INTERFACE_ENABLED:
3369 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was enabled");
3370 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
3371 wpa_supplicant_update_mac_addr(wpa_s);
3372 if (wpa_s->p2p_mgmt) {
3373 wpa_supplicant_set_state(wpa_s,
3379 if (!wpa_s->ap_iface) {
3380 wpa_supplicant_set_state(wpa_s,
3382 wpa_s->scan_req = NORMAL_SCAN_REQ;
3383 wpa_supplicant_req_scan(wpa_s, 0, 0);
3385 wpa_supplicant_set_state(wpa_s,
3387 #else /* CONFIG_AP */
3388 wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
3389 wpa_supplicant_req_scan(wpa_s, 0, 0);
3390 #endif /* CONFIG_AP */
3393 case EVENT_INTERFACE_DISABLED:
3394 wpa_dbg(wpa_s, MSG_DEBUG, "Interface was disabled");
3396 if (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_GO ||
3397 (wpa_s->current_ssid && wpa_s->current_ssid->p2p_group &&
3398 wpa_s->current_ssid->mode == WPAS_MODE_P2P_GO)) {
3400 * Mark interface disabled if this happens to end up not
3401 * being removed as a separate P2P group interface.
3403 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3405 * The interface was externally disabled. Remove
3406 * it assuming an external entity will start a
3407 * new session if needed.
3409 if (wpa_s->current_ssid &&
3410 wpa_s->current_ssid->p2p_group)
3411 wpas_p2p_interface_unavailable(wpa_s);
3413 wpas_p2p_disconnect(wpa_s);
3415 * wpa_s instance may have been freed, so must not use
3420 if (wpa_s->p2p_scan_work && wpa_s->global->p2p &&
3421 p2p_in_progress(wpa_s->global->p2p) > 1) {
3422 /* This radio work will be cancelled, so clear P2P
3425 p2p_stop_find(wpa_s->global->p2p);
3427 #endif /* CONFIG_P2P */
3429 if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
3431 * Indicate disconnection to keep ctrl_iface events
3434 wpa_supplicant_event_disassoc(
3435 wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
3437 wpa_supplicant_mark_disassoc(wpa_s);
3438 radio_remove_works(wpa_s, NULL, 0);
3440 wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);
3442 case EVENT_CHANNEL_LIST_CHANGED:
3443 wpa_supplicant_update_channel_list(
3444 wpa_s, &data->channel_list_changed);
3446 case EVENT_INTERFACE_UNAVAILABLE:
3447 wpas_p2p_interface_unavailable(wpa_s);
3449 case EVENT_BEST_CHANNEL:
3450 wpa_dbg(wpa_s, MSG_DEBUG, "Best channel event received "
3452 data->best_chan.freq_24, data->best_chan.freq_5,
3453 data->best_chan.freq_overall);
3454 wpa_s->best_24_freq = data->best_chan.freq_24;
3455 wpa_s->best_5_freq = data->best_chan.freq_5;
3456 wpa_s->best_overall_freq = data->best_chan.freq_overall;
3457 wpas_p2p_update_best_channels(wpa_s, data->best_chan.freq_24,
3458 data->best_chan.freq_5,
3459 data->best_chan.freq_overall);
3461 case EVENT_UNPROT_DEAUTH:
3462 wpa_supplicant_event_unprot_deauth(wpa_s,
3463 &data->unprot_deauth);
3465 case EVENT_UNPROT_DISASSOC:
3466 wpa_supplicant_event_unprot_disassoc(wpa_s,
3467 &data->unprot_disassoc);
3469 case EVENT_STATION_LOW_ACK:
3471 if (wpa_s->ap_iface && data)
3472 hostapd_event_sta_low_ack(wpa_s->ap_iface->bss[0],
3473 data->low_ack.addr);
3474 #endif /* CONFIG_AP */
3477 wpa_tdls_disable_unreachable_link(wpa_s->wpa,
3478 data->low_ack.addr);
3479 #endif /* CONFIG_TDLS */
3481 case EVENT_IBSS_PEER_LOST:
3482 #ifdef CONFIG_IBSS_RSN
3483 ibss_rsn_stop(wpa_s->ibss_rsn, data->ibss_peer_lost.peer);
3484 #endif /* CONFIG_IBSS_RSN */
3486 case EVENT_DRIVER_GTK_REKEY:
3487 if (os_memcmp(data->driver_gtk_rekey.bssid,
3488 wpa_s->bssid, ETH_ALEN))
3492 wpa_sm_update_replay_ctr(wpa_s->wpa,
3493 data->driver_gtk_rekey.replay_ctr);
3495 case EVENT_SCHED_SCAN_STOPPED:
3497 wpa_s->sched_scanning = 0;
3498 wpa_supplicant_notify_scanning(wpa_s, 0);
3500 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
3504 * Start a new sched scan to continue searching for more SSIDs
3505 * either if timed out or PNO schedule scan is pending.
3507 if (wpa_s->sched_scan_timed_out) {
3508 wpa_supplicant_req_sched_scan(wpa_s);
3509 } else if (wpa_s->pno_sched_pending) {
3510 wpa_s->pno_sched_pending = 0;
3511 wpas_start_pno(wpa_s);
3515 case EVENT_WPS_BUTTON_PUSHED:
3517 wpas_wps_start_pbc(wpa_s, NULL, 0);
3518 #endif /* CONFIG_WPS */
3520 case EVENT_AVOID_FREQUENCIES:
3521 wpa_supplicant_notify_avoid_freq(wpa_s, data);
3523 case EVENT_CONNECT_FAILED_REASON:
3525 if (!wpa_s->ap_iface || !data)
3527 hostapd_event_connect_failed_reason(
3528 wpa_s->ap_iface->bss[0],
3529 data->connect_failed_reason.addr,
3530 data->connect_failed_reason.code);
3531 #endif /* CONFIG_AP */
3533 case EVENT_NEW_PEER_CANDIDATE:
3535 if (!wpa_s->ifmsh || !data)
3537 wpa_mesh_notify_peer(wpa_s, data->mesh_peer.peer,
3538 data->mesh_peer.ies,
3539 data->mesh_peer.ie_len);
3540 #endif /* CONFIG_MESH */
3543 wpa_msg(wpa_s, MSG_INFO, "Unknown event %d", event);