void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
{
	struct sta_info *sta;

	if (addr == NULL) {
		/*
		 * This could potentially happen with unexpected event from the
		 * driver wrapper. This was seen at least in one case where the
		 * driver ended up reporting a station mode event while hostapd
		 * was running, so better make sure we stop processing such an
		 * event here.
		 */
		wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
			   "with no address");
		return;
	}

	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "disassociated");

	sta = ap_get_sta(hapd, addr);
	if (sta == NULL) {
		wpa_printf(MSG_DEBUG, "Disassociation notification for "
			   "unknown STA " MACSTR, MAC2STR(addr));
		return;
	}

	ap_sta_set_authorized(hapd, sta, 0);
	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
	ap_free_sta(hapd, sta);
}
Ejemplo n.º 2
0
void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
			   u16 reason)
{
	wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
		   hapd->conf->iface, MAC2STR(sta->addr));
	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	ap_sta_set_authorized(hapd, sta, 0);
	sta->timeout_next = STA_REMOVE;
	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
		   "for " MACSTR " (%d seconds - "
		   "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
		   __func__, MAC2STR(sta->addr),
		   AP_MAX_INACTIVITY_AFTER_DEAUTH);
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
			       ap_handle_timer, hapd, sta);
	accounting_sta_stop(hapd, sta);
	ieee802_1x_free_station(sta);

	sta->deauth_reason = reason;
	sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
	eloop_register_timeout(hapd->iface->drv_flags &
			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
			       ap_sta_deauth_cb_timeout, hapd, sta);
}
Ejemplo n.º 3
0
void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
		       const u8 *addr, u16 reason)
{

	if (sta == NULL && addr)
		sta = ap_get_sta(hapd, addr);

	if (addr)
		hostapd_drv_sta_deauth(hapd, addr, reason);

	if (sta == NULL)
		return;
	ap_sta_set_authorized(hapd, sta, 0);
	wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
		   "for " MACSTR " (%d seconds - "
		   "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
		   __func__, MAC2STR(sta->addr),
		   AP_MAX_INACTIVITY_AFTER_DEAUTH);
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
			       ap_handle_timer, hapd, sta);
	sta->timeout_next = STA_REMOVE;

	sta->deauth_reason = reason;
	sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
	eloop_register_timeout(hapd->iface->drv_flags &
			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
			       ap_sta_deauth_cb_timeout, hapd, sta);
}
Ejemplo n.º 4
0
void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
		       const u8 *addr, u16 reason)
{

	if (sta == NULL && addr)
		sta = ap_get_sta(hapd, addr);

	if (addr)
		hostapd_drv_sta_deauth(hapd, addr, reason);

	if (sta == NULL)
		return;
	ap_sta_set_authorized(hapd, sta, 0);
	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
			       ap_handle_timer, hapd, sta);
	sta->timeout_next = STA_REMOVE;

	sta->deauth_reason = reason;
	sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
	eloop_register_timeout(hapd->iface->drv_flags &
			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
			       ap_sta_deauth_cb_timeout, hapd, sta);
}
Ejemplo n.º 5
0
void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
				      struct sta_info *sta)
{
	u16 reply_res = WLAN_STATUS_SUCCESS;
	struct ieee802_11_elems elems;
	u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
	int new_assoc;

	wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
		   __func__, MAC2STR(sta->addr));
	eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
	if (!sta->fils_pending_assoc_req)
		return;

	ieee802_11_parse_elems(sta->fils_pending_assoc_req,
			       sta->fils_pending_assoc_req_len, &elems, 0);
	if (!elems.fils_session) {
		wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
			   __func__);
		return;
	}

	p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
					   elems.fils_session,
					   sta->fils_hlp_resp);

	reply_res = hostapd_sta_assoc(hapd, sta->addr,
				      sta->fils_pending_assoc_is_reassoc,
				      WLAN_STATUS_SUCCESS,
				      buf, p - buf);
	ap_sta_set_authorized(hapd, sta, 1);
	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
	sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
	hostapd_set_sta_flags(hapd, sta);
	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
	os_free(sta->fils_pending_assoc_req);
	sta->fils_pending_assoc_req = NULL;
	sta->fils_pending_assoc_req_len = 0;
	wpabuf_free(sta->fils_hlp_resp);
	sta->fils_hlp_resp = NULL;
	wpabuf_free(sta->hlp_dhcp_discover);
	sta->hlp_dhcp_discover = NULL;
	fils_hlp_deinit(hapd);

	/*
	 * Remove the station in case transmission of a success response fails
	 * (the STA was added associated to the driver) or if the station was
	 * previously added unassociated.
	 */
	if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
		hostapd_drv_sta_remove(hapd, sta->addr);
		sta->added_unassoc = 0;
	}
}
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
{
	struct sta_info *sta;

	if (addr == NULL) {
		/*
		 * This could potentially happen with unexpected event from the
		 * driver wrapper. This was seen at least in one case where the
		 * driver ended up reporting a station mode event while hostapd
		 * was running, so better make sure we stop processing such an
		 * event here.
		 */
		wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
			   "with no address");
		return;
	}

	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "disassociated");

	sta = ap_get_sta(hapd, addr);
	if (sta == NULL) {
		wpa_printf(MSG_DEBUG, "Disassociation notification for "
			   "unknown STA " MACSTR, MAC2STR(addr));
		return;
	}

/*
[ALPS00326459][6575JB][BSP Package][6577JB][CTS Verifier 4.1_r2][MT6577_PHONE][changelist 996001]
GROUP JOIN 2 cases fail in Wi-Fi Direct Test
*/	
#if defined(CONFIG_MTK_P2P) || defined(CONFIG_HOTSPOT_MGR_SUPPORT)
	if ((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
		sta->auth_alg == WLAN_AUTH_FT) {
		/*
		 * Open, static WEP, or FT protocol; no separate authorization
		 * step.
		 */
		wpa_msg(hapd->msg_ctx, MSG_INFO,
		AP_STA_DISCONNECTED MACSTR, MAC2STR(sta->addr));
	}
#endif /* CONFIG_MTK_P2P || CONFIG_HOTSPOT_MGR_SUPPORT */
	ap_sta_set_authorized(hapd, sta, 0);
	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
	ap_free_sta(hapd, sta);
}
void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
		       const u8 *addr, u16 reason)
{

	if (sta == NULL && addr)
		sta = ap_get_sta(hapd, addr);

	if (addr)
		hostapd_drv_sta_deauth(hapd, addr, reason);

	if (sta == NULL)
		return;
	ap_sta_set_authorized(hapd, sta, 0);
	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta);
	sta->timeout_next = STA_REMOVE;
}
Ejemplo n.º 8
0
void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
			 u16 reason)
{
	wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
		   hapd->conf->iface, MAC2STR(sta->addr));
	sta->flags &= ~WLAN_STA_ASSOC;
	ap_sta_set_authorized(hapd, sta, 0);
	sta->timeout_next = STA_DEAUTH;
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
			       ap_handle_timer, hapd, sta);
	accounting_sta_stop(hapd, sta);
	ieee802_1x_free_station(sta);

	sta->disassoc_reason = reason;
	sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
	eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
	eloop_register_timeout(hapd->iface->drv_flags &
			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
			       ap_sta_disassoc_cb_timeout, hapd, sta);
}
Ejemplo n.º 9
0
static void ieee80211_tkip_countermeasures_start(struct hostapd_data *hapd)
{
	struct sta_info *sta;

	hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "TKIP countermeasures initiated");

	wpa_auth_countermeasures_start(hapd->wpa_auth);
	hapd->tkip_countermeasures = 1;
	hostapd_drv_set_countermeasures(hapd, 1);
	wpa_gtk_rekey(hapd->wpa_auth);
	eloop_cancel_timeout(ieee80211_tkip_countermeasures_stop, hapd, NULL);
	eloop_register_timeout(60, 0, ieee80211_tkip_countermeasures_stop,
			       hapd, NULL);
	for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
		hostapd_drv_sta_deauth(hapd, sta->addr,
				       WLAN_REASON_MICHAEL_MIC_FAILURE);
		ap_sta_set_authorized(hapd, sta, 0);
		sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
		hostapd_drv_sta_remove(hapd, sta->addr);
	}
}
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
			const u8 *req_ies, size_t req_ies_len, int reassoc)
{
	struct sta_info *sta;
	int new_assoc, res;
	struct ieee802_11_elems elems;
	const u8 *ie;
	size_t ielen;
#ifdef CONFIG_IEEE80211R
	u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
	u8 *p = buf;
#endif /* CONFIG_IEEE80211R */
	u16 reason = WLAN_REASON_UNSPECIFIED;
	u16 status = WLAN_STATUS_SUCCESS;
	const u8 *p2p_dev_addr = NULL;

	if (addr == NULL) {
		/*
		 * This could potentially happen with unexpected event from the
		 * driver wrapper. This was seen at least in one case where the
		 * driver ended up being set to station mode while hostapd was
		 * running, so better make sure we stop processing such an
		 * event here.
		 */
		wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
			   "no address");
		return -1;
	}
	random_add_randomness(addr, ETH_ALEN);

	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "associated");

	ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
	if (elems.wps_ie) {
		ie = elems.wps_ie - 2;
		ielen = elems.wps_ie_len + 2;
		wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
	} else if (elems.rsn_ie) {
		ie = elems.rsn_ie - 2;
		ielen = elems.rsn_ie_len + 2;
		wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
	} else if (elems.wpa_ie) {
		ie = elems.wpa_ie - 2;
		ielen = elems.wpa_ie_len + 2;
		wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
#ifdef CONFIG_HS20
	} else if (elems.osen) {
		ie = elems.osen - 2;
		ielen = elems.osen_len + 2;
		wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
#endif /* CONFIG_HS20 */
	} else {
		ie = NULL;
		ielen = 0;
		wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
			   "(Re)AssocReq");
	}

	sta = ap_get_sta(hapd, addr);
	if (sta) {
		ap_sta_no_session_timeout(hapd, sta);
		accounting_sta_stop(hapd, sta);

		/*
		 * Make sure that the previously registered inactivity timer
		 * will not remove the STA immediately.
		 */
		sta->timeout_next = STA_NULLFUNC;
	} else {
		sta = ap_sta_add(hapd, addr);
		if (sta == NULL) {
			hostapd_drv_sta_disassoc(hapd, addr,
						 WLAN_REASON_DISASSOC_AP_BUSY);
			return -1;
		}
	}
	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);

#ifdef CONFIG_P2P
	if (elems.p2p) {
		wpabuf_free(sta->p2p_ie);
		sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
							  P2P_IE_VENDOR_TYPE);
		if (sta->p2p_ie)
			p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
	}
#endif /* CONFIG_P2P */

#ifdef CONFIG_IEEE80211N
#ifdef NEED_AP_MLME
	if (elems.ht_capabilities &&
	    elems.ht_capabilities_len >=
	    sizeof(struct ieee80211_ht_capabilities) &&
	    (hapd->iface->conf->ht_capab &
	     HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
		struct ieee80211_ht_capabilities *ht_cap =
			(struct ieee80211_ht_capabilities *)
			elems.ht_capabilities;

		if (le_to_host16(ht_cap->ht_capabilities_info) &
		    HT_CAP_INFO_40MHZ_INTOLERANT)
			ht40_intolerant_add(hapd->iface, sta);
	}
#endif /* NEED_AP_MLME */
#endif /* CONFIG_IEEE80211N */

#ifdef CONFIG_INTERWORKING
	if (elems.ext_capab && elems.ext_capab_len > 4) {
		if (elems.ext_capab[4] & 0x01)
			sta->qos_map_enabled = 1;
	}
#endif /* CONFIG_INTERWORKING */

#ifdef CONFIG_HS20
	wpabuf_free(sta->hs20_ie);
	if (elems.hs20 && elems.hs20_len > 4) {
		sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
						 elems.hs20_len - 4);
	} else
		sta->hs20_ie = NULL;
#endif /* CONFIG_HS20 */
#ifdef CONFIG_MTK_P2P
		if (elems.wfd && (elems.wfd_len > 0)) {
			struct p2p_message msg;
			wpabuf_free(sta->wfd_ie);
			sta->wfd_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
								  WFD_IE_VENDOR_TYPE);
			if(p2p_parse_wfd_ie(sta->wfd_ie,&msg)==0) {
				wpa_printf(MSG_DEBUG, "Change our WFD role and peer wfd_ie");
				if(hapd->p2p) {
					wpa_printf(MSG_DEBUG, "Change our WFD role and peer wfd_ie 2");
					wfd_process_request_and_switch_role(hapd->p2p, &msg, 0);
				}
			}
		}
#endif /* CONFIG_MTK_P2P */
	if (hapd->conf->wpa) {
		if (ie == NULL || ielen == 0) {
#ifdef CONFIG_WPS
			if (hapd->conf->wps_state) {
				wpa_printf(MSG_DEBUG, "STA did not include "
					   "WPA/RSN IE in (Re)Association "
					   "Request - possible WPS use");
				sta->flags |= WLAN_STA_MAYBE_WPS;
				goto skip_wpa_check;
			}
#endif /* CONFIG_WPS */

			wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
			return -1;
		}
#ifdef CONFIG_WPS
		if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
			struct wpabuf *wps;
			sta->flags |= WLAN_STA_WPS;
			wps = ieee802_11_vendor_ie_concat(ie, ielen,
							  WPS_IE_VENDOR_TYPE);
			if (wps) {
				if (wps_is_20(wps)) {
					wpa_printf(MSG_DEBUG, "WPS: STA "
						   "supports WPS 2.0");
					sta->flags |= WLAN_STA_WPS2;
				}
				wpabuf_free(wps);
			}
			goto skip_wpa_check;
		}
#endif /* CONFIG_WPS */

		if (sta->wpa_sm == NULL)
			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
							sta->addr,
							p2p_dev_addr);
		if (sta->wpa_sm == NULL) {
			wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
				   "machine");
			return -1;
		}
		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
					  ie, ielen,
					  elems.mdie, elems.mdie_len);
		if (res != WPA_IE_OK) {
			wpa_printf(MSG_DEBUG, "WPA/RSN information element "
				   "rejected? (res %u)", res);
			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
			if (res == WPA_INVALID_GROUP) {
				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
			} else if (res == WPA_INVALID_PAIRWISE) {
				reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
				status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
			} else if (res == WPA_INVALID_AKMP) {
				reason = WLAN_REASON_AKMP_NOT_VALID;
				status = WLAN_STATUS_AKMP_NOT_VALID;
			}
#ifdef CONFIG_IEEE80211W
			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
				reason = WLAN_REASON_INVALID_IE;
				status = WLAN_STATUS_INVALID_IE;
			} else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
			}
#endif /* CONFIG_IEEE80211W */
			else {
				reason = WLAN_REASON_INVALID_IE;
				status = WLAN_STATUS_INVALID_IE;
			}
			goto fail;
		}
#ifdef CONFIG_IEEE80211W
		if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
		    sta->sa_query_count > 0)
			ap_check_sa_query_timeout(hapd, sta);
		if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
		    (sta->auth_alg != WLAN_AUTH_FT)) {
			/*
			 * STA has already been associated with MFP and SA
			 * Query timeout has not been reached. Reject the
			 * association attempt temporarily and start SA Query,
			 * if one is not pending.
			 */

			if (sta->sa_query_count == 0)
				ap_sta_start_sa_query(hapd, sta);

#ifdef CONFIG_IEEE80211R
			status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;

			p = hostapd_eid_assoc_comeback_time(hapd, sta, p);

			hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
					  p - buf);
#endif /* CONFIG_IEEE80211R */
			return 0;
		}

		if (wpa_auth_uses_mfp(sta->wpa_sm))
			sta->flags |= WLAN_STA_MFP;
		else
			sta->flags &= ~WLAN_STA_MFP;
#endif /* CONFIG_IEEE80211W */

#ifdef CONFIG_IEEE80211R
		if (sta->auth_alg == WLAN_AUTH_FT) {
			status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
							 req_ies_len);
			if (status != WLAN_STATUS_SUCCESS) {
				if (status == WLAN_STATUS_INVALID_PMKID)
					reason = WLAN_REASON_INVALID_IE;
				if (status == WLAN_STATUS_INVALID_MDIE)
					reason = WLAN_REASON_INVALID_IE;
				if (status == WLAN_STATUS_INVALID_FTIE)
					reason = WLAN_REASON_INVALID_IE;
				goto fail;
			}
		}
#endif /* CONFIG_IEEE80211R */
	} else if (hapd->conf->wps_state) {
#ifdef CONFIG_WPS
		struct wpabuf *wps;
		if (req_ies)
			wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
							  WPS_IE_VENDOR_TYPE);
		else
			wps = NULL;
#ifdef CONFIG_WPS_STRICT
		if (wps && wps_validate_assoc_req(wps) < 0) {
			reason = WLAN_REASON_INVALID_IE;
			status = WLAN_STATUS_INVALID_IE;
			wpabuf_free(wps);
			goto fail;
		}
#endif /* CONFIG_WPS_STRICT */
		if (wps) {
			sta->flags |= WLAN_STA_WPS;
			if (wps_is_20(wps)) {
				wpa_printf(MSG_DEBUG, "WPS: STA supports "
					   "WPS 2.0");
				sta->flags |= WLAN_STA_WPS2;
			}
		} else
			sta->flags |= WLAN_STA_MAYBE_WPS;
		wpabuf_free(wps);
#endif /* CONFIG_WPS */
#ifdef CONFIG_HS20
	} else if (hapd->conf->osen) {
		if (elems.osen == NULL) {
			hostapd_logger(
				hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
				HOSTAPD_LEVEL_INFO,
				"No HS 2.0 OSEN element in association request");
			return WLAN_STATUS_INVALID_IE;
		}

		wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
		if (sta->wpa_sm == NULL)
			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
							sta->addr, NULL);
		if (sta->wpa_sm == NULL) {
			wpa_printf(MSG_WARNING, "Failed to initialize WPA "
				   "state machine");
			return WLAN_STATUS_UNSPECIFIED_FAILURE;
		}
		if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
				      elems.osen - 2, elems.osen_len + 2) < 0)
			return WLAN_STATUS_INVALID_IE;
#endif /* CONFIG_HS20 */
	}
#ifdef CONFIG_WPS
skip_wpa_check:
#endif /* CONFIG_WPS */

#ifdef CONFIG_IEEE80211R
	p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
					sta->auth_alg, req_ies, req_ies_len);

	hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);

	if (sta->auth_alg == WLAN_AUTH_FT)
		ap_sta_set_authorized(hapd, sta, 1);
#else /* CONFIG_IEEE80211R */
	/* Keep compiler silent about unused variables */
	if (status) {
	}
#endif /* CONFIG_IEEE80211R */

	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
	sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;

	hostapd_set_sta_flags(hapd, sta);

	if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
	else
		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);

	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
/*
[ALPS00326459][6575JB][BSP Package][6577JB][CTS Verifier 4.1_r2][MT6577_PHONE][changelist 996001]
GROUP JOIN 2 cases fail in Wi-Fi Direct Test
*/
#if defined(CONFIG_MTK_P2P) || defined(CONFIG_HOTSPOT_MGR_SUPPORT)
	if ((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
		sta->auth_alg == WLAN_AUTH_FT) {
		/*
		 * Open, static WEP, or FT protocol; no separate authorization
		 * step.
		 */
		wpa_msg(hapd->msg_ctx, MSG_INFO,
		AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr));
	}
#endif /* CONFIG_MTK_P2P || CONFIG_HOTSPOT_MGR_SUPPORT */

	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);

#ifdef CONFIG_P2P
	if (req_ies) {
		p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
				      req_ies, req_ies_len);
	}
#endif /* CONFIG_P2P */

	return 0;

fail:
#ifdef CONFIG_IEEE80211R
	hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
#endif /* CONFIG_IEEE80211R */
	hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
	ap_free_sta(hapd, sta);
	return -1;
}
Ejemplo n.º 11
0
/**
 * ap_handle_timer - Per STA timer handler
 * @eloop_ctx: struct hostapd_data *
 * @timeout_ctx: struct sta_info *
 *
 * This function is called to check station activity and to remove inactive
 * stations.
 */
void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
{
	struct hostapd_data *hapd = eloop_ctx;
	struct sta_info *sta = timeout_ctx;
	unsigned long next_time = 0;

	wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
		   __func__, MAC2STR(sta->addr), sta->flags,
		   sta->timeout_next);
	if (sta->timeout_next == STA_REMOVE) {
		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
			       "local deauth request");
		ap_free_sta(hapd, sta);
		return;
	}

	if ((sta->flags & WLAN_STA_ASSOC) &&
	    (sta->timeout_next == STA_NULLFUNC ||
	     sta->timeout_next == STA_DISASSOC)) {
		int inactive_sec;
		/*
		 * Add random value to timeout so that we don't end up bouncing
		 * all stations at the same time if we have lots of associated
		 * stations that are idle (but keep re-associating).
		 */
		int fuzz = os_random() % 20;
		inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
		if (inactive_sec == -1) {
			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
				"Check inactivity: Could not "
				"get station info from kernel driver for "
				MACSTR, MAC2STR(sta->addr));
			/*
			 * The driver may not support this functionality.
			 * Anyway, try again after the next inactivity timeout,
			 * but do not disconnect the station now.
			 */
			next_time = hapd->conf->ap_max_inactivity + fuzz;
		} else if (inactive_sec < hapd->conf->ap_max_inactivity &&
			   sta->flags & WLAN_STA_ASSOC) {
			/* station activity detected; reset timeout state */
			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
				"Station " MACSTR " has been active %is ago",
				MAC2STR(sta->addr), inactive_sec);
			sta->timeout_next = STA_NULLFUNC;
			next_time = hapd->conf->ap_max_inactivity + fuzz -
				inactive_sec;
		} else {
			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
				"Station " MACSTR " has been "
				"inactive too long: %d sec, max allowed: %d",
				MAC2STR(sta->addr), inactive_sec,
				hapd->conf->ap_max_inactivity);

			if (hapd->conf->skip_inactivity_poll)
				sta->timeout_next = STA_DISASSOC;
		}
	}

	if ((sta->flags & WLAN_STA_ASSOC) &&
	    sta->timeout_next == STA_DISASSOC &&
	    !(sta->flags & WLAN_STA_PENDING_POLL) &&
	    !hapd->conf->skip_inactivity_poll) {
		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
			" has ACKed data poll", MAC2STR(sta->addr));
		/* data nullfunc frame poll did not produce TX errors; assume
		 * station ACKed it */
		sta->timeout_next = STA_NULLFUNC;
		next_time = hapd->conf->ap_max_inactivity;
	}

	if (next_time) {
		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
			   "for " MACSTR " (%lu seconds)",
			   __func__, MAC2STR(sta->addr), next_time);
		eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
				       sta);
		return;
	}

	if (sta->timeout_next == STA_NULLFUNC &&
	    (sta->flags & WLAN_STA_ASSOC)) {
		wpa_printf(MSG_DEBUG, "  Polling STA");
		sta->flags |= WLAN_STA_PENDING_POLL;
		hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
					sta->flags & WLAN_STA_WMM);
	} else if (sta->timeout_next != STA_REMOVE) {
		int deauth = sta->timeout_next == STA_DEAUTH;

		wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
			"Timeout, sending %s info to STA " MACSTR,
			deauth ? "deauthentication" : "disassociation",
			MAC2STR(sta->addr));

		if (deauth) {
			hostapd_drv_sta_deauth(
				hapd, sta->addr,
				WLAN_REASON_PREV_AUTH_NOT_VALID);
		} else {
			hostapd_drv_sta_disassoc(
				hapd, sta->addr,
				WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
		}
	}

	switch (sta->timeout_next) {
	case STA_NULLFUNC:
		sta->timeout_next = STA_DISASSOC;
		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
			   "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
			   __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
		eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
				       hapd, sta);
		break;
	case STA_DISASSOC:
		ap_sta_set_authorized(hapd, sta, 0);
		sta->flags &= ~WLAN_STA_ASSOC;
		ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
		if (!sta->acct_terminate_cause)
			sta->acct_terminate_cause =
				RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
		accounting_sta_stop(hapd, sta);
		ieee802_1x_free_station(sta);
		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
			       HOSTAPD_LEVEL_INFO, "disassociated due to "
			       "inactivity");
		sta->timeout_next = STA_DEAUTH;
		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
			   "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
			   __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
		eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
				       hapd, sta);
		mlme_disassociate_indication(
			hapd, sta, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
		break;
	case STA_DEAUTH:
	case STA_REMOVE:
		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
			       "inactivity (timer DEAUTH/REMOVE)");
		if (!sta->acct_terminate_cause)
			sta->acct_terminate_cause =
				RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
		mlme_deauthenticate_indication(
			hapd, sta,
			WLAN_REASON_PREV_AUTH_NOT_VALID);
		ap_free_sta(hapd, sta);
		break;
	}
}
Ejemplo n.º 12
0
void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
	int set_beacon = 0;

	accounting_sta_stop(hapd, sta);

	/* just in case */
	ap_sta_set_authorized(hapd, sta, 0);

	if (sta->flags & WLAN_STA_WDS)
		hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0);

	if (!(sta->flags & WLAN_STA_PREAUTH))
		hostapd_drv_sta_remove(hapd, sta->addr);

	ap_sta_hash_del(hapd, sta);
	ap_sta_list_del(hapd, sta);

	if (sta->aid > 0)
		hapd->sta_aid[(sta->aid - 1) / 32] &=
			~BIT((sta->aid - 1) % 32);

	hapd->num_sta--;
	if (sta->nonerp_set) {
		sta->nonerp_set = 0;
		hapd->iface->num_sta_non_erp--;
		if (hapd->iface->num_sta_non_erp == 0)
			set_beacon++;
	}

	if (sta->no_short_slot_time_set) {
		sta->no_short_slot_time_set = 0;
		hapd->iface->num_sta_no_short_slot_time--;
		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
		    && hapd->iface->num_sta_no_short_slot_time == 0)
			set_beacon++;
	}

	if (sta->no_short_preamble_set) {
		sta->no_short_preamble_set = 0;
		hapd->iface->num_sta_no_short_preamble--;
		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
		    && hapd->iface->num_sta_no_short_preamble == 0)
			set_beacon++;
	}

	if (sta->no_ht_gf_set) {
		sta->no_ht_gf_set = 0;
		hapd->iface->num_sta_ht_no_gf--;
	}

	if (sta->no_ht_set) {
		sta->no_ht_set = 0;
		hapd->iface->num_sta_no_ht--;
	}

	if (sta->ht_20mhz_set) {
		sta->ht_20mhz_set = 0;
		hapd->iface->num_sta_ht_20mhz--;
	}

#ifdef CONFIG_P2P
	if (sta->no_p2p_set) {
		sta->no_p2p_set = 0;
		hapd->num_sta_no_p2p--;
		if (hapd->num_sta_no_p2p == 0)
			hostapd_p2p_non_p2p_sta_disconnected(hapd);
	}
#endif /* CONFIG_P2P */

#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
	if (hostapd_ht_operation_update(hapd->iface) > 0)
		set_beacon++;
#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */

	if (set_beacon)
		ieee802_11_set_beacons(hapd->iface);

	wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
		   __func__, MAC2STR(sta->addr));
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
	eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);

	ieee802_1x_free_station(sta);
	wpa_auth_sta_deinit(sta->wpa_sm);
	rsn_preauth_free_station(hapd, sta);
#ifndef CONFIG_NO_RADIUS
	radius_client_flush_auth(hapd->radius, sta->addr);
#endif /* CONFIG_NO_RADIUS */

	os_free(sta->last_assoc_req);
	os_free(sta->challenge);

#ifdef CONFIG_IEEE80211W
	os_free(sta->sa_query_trans_id);
	eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
#endif /* CONFIG_IEEE80211W */

#ifdef CONFIG_P2P
	p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
#endif /* CONFIG_P2P */


#ifdef CONFIG_INTERWORKING
	if (sta->gas_dialog) {
		int i;
		for (i = 0; i < GAS_DIALOG_MAX; i++)
			gas_serv_dialog_clear(&sta->gas_dialog[i]);
		os_free(sta->gas_dialog);
	}
#endif /* CONFIG_INTERWORKING */

	wpabuf_free(sta->wps_ie);
	wpabuf_free(sta->p2p_ie);

	os_free(sta->ht_capabilities);
	os_free(sta->psk);
	os_free(sta->identity);
	os_free(sta->radius_cui);

	os_free(sta);
}
Ejemplo n.º 13
0
void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
	int set_beacon = 0;

	accounting_sta_stop(hapd, sta);

	/* just in case */
	ap_sta_set_authorized(hapd, sta, 0);

	if (sta->flags & WLAN_STA_WDS)
		hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);

	if (sta->ipaddr)
		hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
	ap_sta_ip6addr_del(hapd, sta);

	if (!hapd->iface->driver_ap_teardown &&
	    !(sta->flags & WLAN_STA_PREAUTH))
		hostapd_drv_sta_remove(hapd, sta->addr);

#ifndef CONFIG_NO_VLAN
	if (sta->vlan_id_bound) {
		/*
		 * Need to remove the STA entry before potentially removing the
		 * VLAN.
		 */
		if (hapd->iface->driver_ap_teardown &&
		    !(sta->flags & WLAN_STA_PREAUTH))
			hostapd_drv_sta_remove(hapd, sta->addr);
		vlan_remove_dynamic(hapd, sta->vlan_id_bound);
	}
#endif /* CONFIG_NO_VLAN */

	ap_sta_hash_del(hapd, sta);
	ap_sta_list_del(hapd, sta);

	if (sta->aid > 0)
		hapd->sta_aid[(sta->aid - 1) / 32] &=
			~BIT((sta->aid - 1) % 32);

	hapd->num_sta--;
	if (sta->nonerp_set) {
		sta->nonerp_set = 0;
		hapd->iface->num_sta_non_erp--;
		if (hapd->iface->num_sta_non_erp == 0)
			set_beacon++;
	}

	if (sta->no_short_slot_time_set) {
		sta->no_short_slot_time_set = 0;
		hapd->iface->num_sta_no_short_slot_time--;
		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
		    && hapd->iface->num_sta_no_short_slot_time == 0)
			set_beacon++;
	}

	if (sta->no_short_preamble_set) {
		sta->no_short_preamble_set = 0;
		hapd->iface->num_sta_no_short_preamble--;
		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
		    && hapd->iface->num_sta_no_short_preamble == 0)
			set_beacon++;
	}

	if (sta->no_ht_gf_set) {
		sta->no_ht_gf_set = 0;
		hapd->iface->num_sta_ht_no_gf--;
	}

	if (sta->no_ht_set) {
		sta->no_ht_set = 0;
		hapd->iface->num_sta_no_ht--;
	}

	if (sta->ht_20mhz_set) {
		sta->ht_20mhz_set = 0;
		hapd->iface->num_sta_ht_20mhz--;
	}

#ifdef CONFIG_IEEE80211N
	ht40_intolerant_remove(hapd->iface, sta);
#endif /* CONFIG_IEEE80211N */

#ifdef CONFIG_P2P
	if (sta->no_p2p_set) {
		sta->no_p2p_set = 0;
		hapd->num_sta_no_p2p--;
		if (hapd->num_sta_no_p2p == 0)
			hostapd_p2p_non_p2p_sta_disconnected(hapd);
	}
#endif /* CONFIG_P2P */

#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
	if (hostapd_ht_operation_update(hapd->iface) > 0)
		set_beacon++;
#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */

#ifdef CONFIG_MESH
	if (hapd->mesh_sta_free_cb)
		hapd->mesh_sta_free_cb(sta);
#endif /* CONFIG_MESH */

	if (set_beacon)
		ieee802_11_set_beacons(hapd->iface);

	wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
		   __func__, MAC2STR(sta->addr));
	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
	eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
	eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
	sae_clear_retransmit_timer(hapd, sta);

	ieee802_1x_free_station(sta);
	wpa_auth_sta_deinit(sta->wpa_sm);
	rsn_preauth_free_station(hapd, sta);
#ifndef CONFIG_NO_RADIUS
	if (hapd->radius)
		radius_client_flush_auth(hapd->radius, sta->addr);
#endif /* CONFIG_NO_RADIUS */

	os_free(sta->challenge);

#ifdef CONFIG_IEEE80211W
	os_free(sta->sa_query_trans_id);
	eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
#endif /* CONFIG_IEEE80211W */

#ifdef CONFIG_P2P
	p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
#endif /* CONFIG_P2P */

#ifdef CONFIG_INTERWORKING
	if (sta->gas_dialog) {
		int i;
		for (i = 0; i < GAS_DIALOG_MAX; i++)
			gas_serv_dialog_clear(&sta->gas_dialog[i]);
		os_free(sta->gas_dialog);
	}
#endif /* CONFIG_INTERWORKING */

	wpabuf_free(sta->wps_ie);
	wpabuf_free(sta->p2p_ie);
	wpabuf_free(sta->hs20_ie);

	os_free(sta->ht_capabilities);
	os_free(sta->vht_capabilities);
	hostapd_free_psk_list(sta->psk);
	os_free(sta->identity);
	os_free(sta->radius_cui);
	os_free(sta->remediation_url);
	wpabuf_free(sta->hs20_deauth_req);
	os_free(sta->hs20_session_info_url);

#ifdef CONFIG_SAE
	sae_clear_data(sta->sae);
	os_free(sta->sae);
#endif /* CONFIG_SAE */

	os_free(sta);
}
Ejemplo n.º 14
0
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
			const u8 *req_ies, size_t req_ies_len, int reassoc)
{
	struct sta_info *sta;
	int new_assoc, res;
	struct ieee802_11_elems elems;
	const u8 *ie;
	size_t ielen;
#if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
	u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
	u8 *p = buf;
#endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
	u16 reason = WLAN_REASON_UNSPECIFIED;
	u16 status = WLAN_STATUS_SUCCESS;
	const u8 *p2p_dev_addr = NULL;

	if (addr == NULL) {
		/*
		 * This could potentially happen with unexpected event from the
		 * driver wrapper. This was seen at least in one case where the
		 * driver ended up being set to station mode while hostapd was
		 * running, so better make sure we stop processing such an
		 * event here.
		 */
		wpa_printf(MSG_DEBUG,
			   "hostapd_notif_assoc: Skip event with no address");
		return -1;
	}
	random_add_randomness(addr, ETH_ALEN);

	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "associated");

	ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
	if (elems.wps_ie) {
		ie = elems.wps_ie - 2;
		ielen = elems.wps_ie_len + 2;
		wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
	} else if (elems.rsn_ie) {
		ie = elems.rsn_ie - 2;
		ielen = elems.rsn_ie_len + 2;
		wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
	} else if (elems.wpa_ie) {
		ie = elems.wpa_ie - 2;
		ielen = elems.wpa_ie_len + 2;
		wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
#ifdef CONFIG_HS20
	} else if (elems.osen) {
		ie = elems.osen - 2;
		ielen = elems.osen_len + 2;
		wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
#endif /* CONFIG_HS20 */
	} else {
		ie = NULL;
		ielen = 0;
		wpa_printf(MSG_DEBUG,
			   "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
	}

	sta = ap_get_sta(hapd, addr);
	if (sta) {
		ap_sta_no_session_timeout(hapd, sta);
		accounting_sta_stop(hapd, sta);

		/*
		 * Make sure that the previously registered inactivity timer
		 * will not remove the STA immediately.
		 */
		sta->timeout_next = STA_NULLFUNC;
	} else {
		sta = ap_sta_add(hapd, addr);
		if (sta == NULL) {
			hostapd_drv_sta_disassoc(hapd, addr,
						 WLAN_REASON_DISASSOC_AP_BUSY);
			return -1;
		}
	}
	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);

	/*
	 * ACL configurations to the drivers (implementing AP SME and ACL
	 * offload) without hostapd's knowledge, can result in a disconnection
	 * though the driver accepts the connection. Skip the hostapd check for
	 * ACL if the driver supports ACL offload to avoid potentially
	 * conflicting ACL rules.
	 */
	if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
	    hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
		wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
			   MAC2STR(addr));
		reason = WLAN_REASON_UNSPECIFIED;
		goto fail;
	}

#ifdef CONFIG_P2P
	if (elems.p2p) {
		wpabuf_free(sta->p2p_ie);
		sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
							  P2P_IE_VENDOR_TYPE);
		if (sta->p2p_ie)
			p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
	}
#endif /* CONFIG_P2P */

#ifdef CONFIG_IEEE80211N
#ifdef NEED_AP_MLME
	if (elems.ht_capabilities &&
	    (hapd->iface->conf->ht_capab &
	     HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
		struct ieee80211_ht_capabilities *ht_cap =
			(struct ieee80211_ht_capabilities *)
			elems.ht_capabilities;

		if (le_to_host16(ht_cap->ht_capabilities_info) &
		    HT_CAP_INFO_40MHZ_INTOLERANT)
			ht40_intolerant_add(hapd->iface, sta);
	}
#endif /* NEED_AP_MLME */
#endif /* CONFIG_IEEE80211N */

#ifdef CONFIG_INTERWORKING
	if (elems.ext_capab && elems.ext_capab_len > 4) {
		if (elems.ext_capab[4] & 0x01)
			sta->qos_map_enabled = 1;
	}
#endif /* CONFIG_INTERWORKING */

#ifdef CONFIG_HS20
	wpabuf_free(sta->hs20_ie);
	if (elems.hs20 && elems.hs20_len > 4) {
		sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
						 elems.hs20_len - 4);
	} else
		sta->hs20_ie = NULL;
#endif /* CONFIG_HS20 */

#ifdef CONFIG_FST
	wpabuf_free(sta->mb_ies);
	if (hapd->iface->fst)
		sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
	else
		sta->mb_ies = NULL;
#endif /* CONFIG_FST */

	mbo_ap_check_sta_assoc(hapd, sta, &elems);

	ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
				    elems.supp_op_classes_len);

	if (hapd->conf->wpa) {
		if (ie == NULL || ielen == 0) {
#ifdef CONFIG_WPS
			if (hapd->conf->wps_state) {
				wpa_printf(MSG_DEBUG,
					   "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
				sta->flags |= WLAN_STA_MAYBE_WPS;
				goto skip_wpa_check;
			}
#endif /* CONFIG_WPS */

			wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
			return -1;
		}
#ifdef CONFIG_WPS
		if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
			struct wpabuf *wps;

			sta->flags |= WLAN_STA_WPS;
			wps = ieee802_11_vendor_ie_concat(ie, ielen,
							  WPS_IE_VENDOR_TYPE);
			if (wps) {
				if (wps_is_20(wps)) {
					wpa_printf(MSG_DEBUG,
						   "WPS: STA supports WPS 2.0");
					sta->flags |= WLAN_STA_WPS2;
				}
				wpabuf_free(wps);
			}
			goto skip_wpa_check;
		}
#endif /* CONFIG_WPS */

		if (sta->wpa_sm == NULL)
			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
							sta->addr,
							p2p_dev_addr);
		if (sta->wpa_sm == NULL) {
			wpa_printf(MSG_ERROR,
				   "Failed to initialize WPA state machine");
			return -1;
		}
		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
					  ie, ielen,
					  elems.mdie, elems.mdie_len);
		if (res != WPA_IE_OK) {
			wpa_printf(MSG_DEBUG,
				   "WPA/RSN information element rejected? (res %u)",
				   res);
			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
			if (res == WPA_INVALID_GROUP) {
				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
			} else if (res == WPA_INVALID_PAIRWISE) {
				reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
				status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
			} else if (res == WPA_INVALID_AKMP) {
				reason = WLAN_REASON_AKMP_NOT_VALID;
				status = WLAN_STATUS_AKMP_NOT_VALID;
			}
#ifdef CONFIG_IEEE80211W
			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
				reason = WLAN_REASON_INVALID_IE;
				status = WLAN_STATUS_INVALID_IE;
			} else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
			}
#endif /* CONFIG_IEEE80211W */
			else {
				reason = WLAN_REASON_INVALID_IE;
				status = WLAN_STATUS_INVALID_IE;
			}
			goto fail;
		}
#ifdef CONFIG_IEEE80211W
		if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
		    sta->sa_query_count > 0)
			ap_check_sa_query_timeout(hapd, sta);
		if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
		    (sta->auth_alg != WLAN_AUTH_FT)) {
			/*
			 * STA has already been associated with MFP and SA
			 * Query timeout has not been reached. Reject the
			 * association attempt temporarily and start SA Query,
			 * if one is not pending.
			 */

			if (sta->sa_query_count == 0)
				ap_sta_start_sa_query(hapd, sta);

			status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;

			p = hostapd_eid_assoc_comeback_time(hapd, sta, p);

			hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
					  p - buf);
			return 0;
		}

		if (wpa_auth_uses_mfp(sta->wpa_sm))
			sta->flags |= WLAN_STA_MFP;
		else
			sta->flags &= ~WLAN_STA_MFP;
#endif /* CONFIG_IEEE80211W */

#ifdef CONFIG_IEEE80211R
		if (sta->auth_alg == WLAN_AUTH_FT) {
			status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
							 req_ies_len);
			if (status != WLAN_STATUS_SUCCESS) {
				if (status == WLAN_STATUS_INVALID_PMKID)
					reason = WLAN_REASON_INVALID_IE;
				if (status == WLAN_STATUS_INVALID_MDIE)
					reason = WLAN_REASON_INVALID_IE;
				if (status == WLAN_STATUS_INVALID_FTIE)
					reason = WLAN_REASON_INVALID_IE;
				goto fail;
			}
		}
#endif /* CONFIG_IEEE80211R */
	} else if (hapd->conf->wps_state) {
#ifdef CONFIG_WPS
		struct wpabuf *wps;

		if (req_ies)
			wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
							  WPS_IE_VENDOR_TYPE);
		else
			wps = NULL;
#ifdef CONFIG_WPS_STRICT
		if (wps && wps_validate_assoc_req(wps) < 0) {
			reason = WLAN_REASON_INVALID_IE;
			status = WLAN_STATUS_INVALID_IE;
			wpabuf_free(wps);
			goto fail;
		}
#endif /* CONFIG_WPS_STRICT */
		if (wps) {
			sta->flags |= WLAN_STA_WPS;
			if (wps_is_20(wps)) {
				wpa_printf(MSG_DEBUG,
					   "WPS: STA supports WPS 2.0");
				sta->flags |= WLAN_STA_WPS2;
			}
		} else
			sta->flags |= WLAN_STA_MAYBE_WPS;
		wpabuf_free(wps);
#endif /* CONFIG_WPS */
#ifdef CONFIG_HS20
	} else if (hapd->conf->osen) {
		if (elems.osen == NULL) {
			hostapd_logger(
				hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
				HOSTAPD_LEVEL_INFO,
				"No HS 2.0 OSEN element in association request");
			return WLAN_STATUS_INVALID_IE;
		}

		wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
		if (sta->wpa_sm == NULL)
			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
							sta->addr, NULL);
		if (sta->wpa_sm == NULL) {
			wpa_printf(MSG_WARNING,
				   "Failed to initialize WPA state machine");
			return WLAN_STATUS_UNSPECIFIED_FAILURE;
		}
		if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
				      elems.osen - 2, elems.osen_len + 2) < 0)
			return WLAN_STATUS_INVALID_IE;
#endif /* CONFIG_HS20 */
	}

#ifdef CONFIG_MBO
	if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
	    elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
	    hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
		wpa_printf(MSG_INFO,
			   "MBO: Reject WPA2 association without PMF");
		return WLAN_STATUS_UNSPECIFIED_FAILURE;
	}
#endif /* CONFIG_MBO */

#ifdef CONFIG_WPS
skip_wpa_check:
#endif /* CONFIG_WPS */

#ifdef CONFIG_IEEE80211R
	p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
					sta->auth_alg, req_ies, req_ies_len);

	hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);

	if (sta->auth_alg == WLAN_AUTH_FT)
		ap_sta_set_authorized(hapd, sta, 1);
#else /* CONFIG_IEEE80211R */
	/* Keep compiler silent about unused variables */
	if (status) {
	}
#endif /* CONFIG_IEEE80211R */

	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
	sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;

	hostapd_set_sta_flags(hapd, sta);

	if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
	else
		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);

	hostapd_new_assoc_sta(hapd, sta, !new_assoc);

	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);

#ifdef CONFIG_P2P
	if (req_ies) {
		p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
				      req_ies, req_ies_len);
	}
#endif /* CONFIG_P2P */

	return 0;

fail:
#ifdef CONFIG_IEEE80211R
	hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
#endif /* CONFIG_IEEE80211R */
	hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
	ap_free_sta(hapd, sta);
	return -1;
}