[thirdparty/hostap.git] / src / ap / drv_callbacks.c

/*
 * hostapd / Callback functions for driver wrappers
 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "utils/includes.h"

#include "utils/common.h"
#include "radius/radius.h"
#include "drivers/driver.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "crypto/random.h"
#include "p2p/p2p.h"
#include "wps/wps.h"
#include "hostapd.h"
#include "ieee802_11.h"
#include "sta_info.h"
#include "accounting.h"
#include "tkip_countermeasures.h"
#include "ieee802_1x.h"
#include "wpa_auth.h"
#include "wps_hostapd.h"
#include "ap_drv_ops.h"
#include "ap_config.h"


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;
	u16 reason = WLAN_REASON_UNSPECIFIED;

	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");
	} 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) {
		accounting_sta_stop(hapd, sta);
	} else {
		sta = ap_sta_add(hapd, addr);
		if (sta == NULL)
			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);
	}
#endif /* CONFIG_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);
		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, NULL, 0);
		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;
			else if (res == WPA_INVALID_PAIRWISE)
				reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
			else if (res == WPA_INVALID_AKMP)
				reason = WLAN_REASON_AKMP_NOT_VALID;
#ifdef CONFIG_IEEE80211W
			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
				reason = WLAN_REASON_INVALID_IE;
			else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
#endif /* CONFIG_IEEE80211W */
			else
				reason = WLAN_REASON_INVALID_IE;
			goto fail;
		}
	} 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;
			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_WPS
skip_wpa_check:
#endif /* CONFIG_WPS */

	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
	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:
	hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
	ap_free_sta(hapd, sta);
	return -1;
}


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);
}


void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
{
	struct sta_info *sta = ap_get_sta(hapd, addr);

	if (!sta || !hapd->conf->disassoc_low_ack)
		return;

	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
		       "missing ACKs");
	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
	if (sta)
		ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
}


int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
			 const u8 *bssid, const u8 *ie, size_t ie_len)
{
	size_t i;
	int ret = 0;

	if (sa == NULL || ie == NULL)
		return -1;

	random_add_randomness(sa, ETH_ALEN);
	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
					    sa, da, bssid, ie, ie_len) > 0) {
			ret = 1;
			break;
		}
	}
	return ret;
}


#ifdef HOSTAPD

#ifdef NEED_AP_MLME

#define HAPD_BROADCAST ((struct hostapd_data *) -1)

static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
					    const u8 *bssid)
{
	size_t i;

	if (bssid == NULL)
		return NULL;
	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
	    bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
		return HAPD_BROADCAST;

	for (i = 0; i < iface->num_bss; i++) {
		if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
			return iface->bss[i];
	}

	return NULL;
}


static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
					const u8 *bssid, const u8 *addr,
					int wds)
{
	hapd = get_hapd_bssid(hapd->iface, bssid);
	if (hapd == NULL || hapd == HAPD_BROADCAST)
		return;

	ieee802_11_rx_from_unknown(hapd, addr, wds);
}


static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
{
	struct hostapd_iface *iface = hapd->iface;
	const struct ieee80211_hdr *hdr;
	const u8 *bssid;
	struct hostapd_frame_info fi;

	hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
	bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
	if (bssid == NULL)
		return;

	hapd = get_hapd_bssid(iface, bssid);
	if (hapd == NULL) {
		u16 fc;
		fc = le_to_host16(hdr->frame_control);

		/*
		 * Drop frames to unknown BSSIDs except for Beacon frames which
		 * could be used to update neighbor information.
		 */
		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
			hapd = iface->bss[0];
		else
			return;
	}

	os_memset(&fi, 0, sizeof(fi));
	fi.datarate = rx_mgmt->datarate;
	fi.ssi_signal = rx_mgmt->ssi_signal;

	if (hapd == HAPD_BROADCAST) {
		size_t i;
		for (i = 0; i < iface->num_bss; i++)
			ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
					rx_mgmt->frame_len, &fi);
	} else
		ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);

	random_add_randomness(&fi, sizeof(fi));
}


static void hostapd_rx_action(struct hostapd_data *hapd,
			      struct rx_action *rx_action)
{
	struct rx_mgmt rx_mgmt;
	u8 *buf;
	struct ieee80211_hdr *hdr;

	wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
		   " BSSID=" MACSTR " category=%u",
		   MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
		   MAC2STR(rx_action->bssid), rx_action->category);
	wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
		    rx_action->data, rx_action->len);

	buf = os_zalloc(24 + 1 + rx_action->len);
	if (buf == NULL)
		return;
	hdr = (struct ieee80211_hdr *) buf;
	hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
					  WLAN_FC_STYPE_ACTION);
	if (rx_action->category == WLAN_ACTION_SA_QUERY) {
		/*
		 * Assume frame was protected; it would have been dropped if
		 * not.
		 */
		hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
	}
	os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
	os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
	os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
	buf[24] = rx_action->category;
	os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
	os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
	rx_mgmt.frame = buf;
	rx_mgmt.frame_len = 24 + 1 + rx_action->len;
	hostapd_mgmt_rx(hapd, &rx_mgmt);
	os_free(buf);
}


static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
			       size_t len, u16 stype, int ok)
{
	struct ieee80211_hdr *hdr;
	hdr = (struct ieee80211_hdr *) buf;
	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	if (hapd == NULL || hapd == HAPD_BROADCAST)
		return;
	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
}

#endif /* NEED_AP_MLME */


static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
{
	struct sta_info *sta = ap_get_sta(hapd, addr);
	if (sta)
		return 0;

	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
		   " - adding a new STA", MAC2STR(addr));
	sta = ap_sta_add(hapd, addr);
	if (sta) {
		hostapd_new_assoc_sta(hapd, sta, 0);
	} else {
		wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
			   MAC2STR(addr));
		return -1;
	}

	return 0;
}


static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
				   const u8 *data, size_t data_len)
{
	struct hostapd_iface *iface = hapd->iface;
	size_t j;

	for (j = 0; j < iface->num_bss; j++) {
		if (ap_get_sta(iface->bss[j], src)) {
			hapd = iface->bss[j];
			break;
		}
	}

	ieee802_1x_receive(hapd, src, data, data_len);
}


void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
			  union wpa_event_data *data)
{
	struct hostapd_data *hapd = ctx;
#ifndef CONFIG_NO_STDOUT_DEBUG
	int level = MSG_DEBUG;

	if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
	    data->rx_mgmt.frame_len >= 24) {
		const struct ieee80211_hdr *hdr;
		u16 fc;
		hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
		fc = le_to_host16(hdr->frame_control);
		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
			level = MSG_EXCESSIVE;
	}

	wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
		event_to_string(event), event);
#endif /* CONFIG_NO_STDOUT_DEBUG */

	switch (event) {
	case EVENT_MICHAEL_MIC_FAILURE:
		michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
		break;
	case EVENT_SCAN_RESULTS:
		if (hapd->iface->scan_cb)
			hapd->iface->scan_cb(hapd->iface);
		break;
#ifdef CONFIG_IEEE80211R
	case EVENT_FT_RRB_RX:
		wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
			      data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
		break;
#endif /* CONFIG_IEEE80211R */
	case EVENT_WPS_BUTTON_PUSHED:
		hostapd_wps_button_pushed(hapd, NULL);
		break;
#ifdef NEED_AP_MLME
	case EVENT_TX_STATUS:
		switch (data->tx_status.type) {
		case WLAN_FC_TYPE_MGMT:
			hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
					   data->tx_status.data_len,
					   data->tx_status.stype,
					   data->tx_status.ack);
			break;
		case WLAN_FC_TYPE_DATA:
			hostapd_tx_status(hapd, data->tx_status.dst,
					  data->tx_status.data,
					  data->tx_status.data_len,
					  data->tx_status.ack);
			break;
		}
		break;
	case EVENT_EAPOL_TX_STATUS:
		hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
					data->eapol_tx_status.data,
					data->eapol_tx_status.data_len,
					data->eapol_tx_status.ack);
		break;
	case EVENT_DRIVER_CLIENT_POLL_OK:
		hostapd_client_poll_ok(hapd, data->client_poll.addr);
		break;
	case EVENT_RX_FROM_UNKNOWN:
		hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
					    data->rx_from_unknown.addr,
					    data->rx_from_unknown.wds);
		break;
	case EVENT_RX_MGMT:
		hostapd_mgmt_rx(hapd, &data->rx_mgmt);
		break;
#endif /* NEED_AP_MLME */
	case EVENT_RX_PROBE_REQ:
		if (data->rx_probe_req.sa == NULL ||
		    data->rx_probe_req.ie == NULL)
			break;
		hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
				     data->rx_probe_req.da,
				     data->rx_probe_req.bssid,
				     data->rx_probe_req.ie,
				     data->rx_probe_req.ie_len);
		break;
	case EVENT_NEW_STA:
		hostapd_event_new_sta(hapd, data->new_sta.addr);
		break;
	case EVENT_EAPOL_RX:
		hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
				       data->eapol_rx.data,
				       data->eapol_rx.data_len);
		break;
	case EVENT_ASSOC:
		hostapd_notif_assoc(hapd, data->assoc_info.addr,
				    data->assoc_info.req_ies,
				    data->assoc_info.req_ies_len,
				    data->assoc_info.reassoc);
		break;
	case EVENT_DISASSOC:
		if (data)
			hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
		break;
	case EVENT_DEAUTH:
		if (data)
			hostapd_notif_disassoc(hapd, data->deauth_info.addr);
		break;
	case EVENT_STATION_LOW_ACK:
		if (!data)
			break;
		hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
		break;
#ifdef NEED_AP_MLME
	case EVENT_RX_ACTION:
		if (data->rx_action.da == NULL || data->rx_action.sa == NULL ||
		    data->rx_action.bssid == NULL)
			break;
		hostapd_rx_action(hapd, &data->rx_action);
		break;
#endif /* NEED_AP_MLME */
	default:
		wpa_printf(MSG_DEBUG, "Unknown event %d", event);
		break;
	}
}

#endif /* HOSTAPD */
Commit	Line	Data
b5b969e9 JM	1	/*
	2	* hostapd / Callback functions for driver wrappers
	3	* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
	4	*
0f3d578e JM	5	* This software may be distributed under the terms of the BSD license.
0f3d578e JM	6	* See README for more details.
b5b969e9 JM	7	*/
b5b969e9 JM	8
6226e38d	9	#include "utils/includes.h"
b5b969e9	10
6226e38d	11	#include "utils/common.h"
b5b969e9	12	#include "radius/radius.h"
6e6e8c31	13	#include "drivers/driver.h"
81f4f619	14	#include "common/ieee802_11_defs.h"
c41a1095	15	#include "common/ieee802_11_common.h"
bbb921da	16	#include "crypto/random.h"
ef796391	17	#include "p2p/p2p.h"
54f489be	18	#include "wps/wps.h"
6226e38d JM	19	#include "hostapd.h"
	20	#include "ieee802_11.h"
	21	#include "sta_info.h"
	22	#include "accounting.h"
	23	#include "tkip_countermeasures.h"
6226e38d JM	24	#include "ieee802_1x.h"
6226e38d JM	25	#include "wpa_auth.h"
6226e38d	26	#include "wps_hostapd.h"
51e2a27a	27	#include "ap_drv_ops.h"
8b06c1ed	28	#include "ap_config.h"
b5b969e9 JM	29
b5b969e9 JM	30
b5b969e9	31	int hostapd_notif_assoc(struct hostapd_data hapd, const u8 addr,
2bb20281	32	const u8 *req_ies, size_t req_ies_len, int reassoc)
b5b969e9 JM	33	{
	34	struct sta_info *sta;
	35	int new_assoc, res;
c41a1095	36	struct ieee802_11_elems elems;
2bb20281 JM	37	const u8 *ie;
2bb20281 JM	38	size_t ielen;
08a74e6a	39	u16 reason = WLAN_REASON_UNSPECIFIED;
b5b969e9	40
68532a9c JM	41	if (addr == NULL) {
	42	/*
	43	* This could potentially happen with unexpected event from the
	44	* driver wrapper. This was seen at least in one case where the
	45	* driver ended up being set to station mode while hostapd was
	46	* running, so better make sure we stop processing such an
	47	* event here.
	48	*/
	49	wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
	50	"no address");
	51	return -1;
	52	}
bbb921da	53	random_add_randomness(addr, ETH_ALEN);
68532a9c	54
b5b969e9 JM	55	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	56	HOSTAPD_LEVEL_INFO, "associated");
	57
2bb20281	58	ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
c41a1095 JM	59	if (elems.wps_ie) {
	60	ie = elems.wps_ie - 2;
	61	ielen = elems.wps_ie_len + 2;
	62	wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
	63	} else if (elems.rsn_ie) {
	64	ie = elems.rsn_ie - 2;
	65	ielen = elems.rsn_ie_len + 2;
	66	wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
	67	} else if (elems.wpa_ie) {
	68	ie = elems.wpa_ie - 2;
	69	ielen = elems.wpa_ie_len + 2;
	70	wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
	71	} else {
	72	ie = NULL;
	73	ielen = 0;
	74	wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
	75	"(Re)AssocReq");
	76	}
	77
b5b969e9 JM	78	sta = ap_get_sta(hapd, addr);
	79	if (sta) {
	80	accounting_sta_stop(hapd, sta);
	81	} else {
	82	sta = ap_sta_add(hapd, addr);
	83	if (sta == NULL)
	84	return -1;
	85	}
17f6b900	86	sta->flags &= ~(WLAN_STA_WPS \| WLAN_STA_MAYBE_WPS \| WLAN_STA_WPS2);
b5b969e9	87
b305c684 JM	88	#ifdef CONFIG_P2P
	89	if (elems.p2p) {
	90	wpabuf_free(sta->p2p_ie);
2bb20281	91	sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
b305c684 JM	92	P2P_IE_VENDOR_TYPE);
	93	}
	94	#endif /* CONFIG_P2P */
	95
b5b969e9 JM	96	if (hapd->conf->wpa) {
b5b969e9 JM	97	if (ie == NULL \|\| ielen == 0) {
633d4469	98	#ifdef CONFIG_WPS
b5b969e9 JM	99	if (hapd->conf->wps_state) {
	100	wpa_printf(MSG_DEBUG, "STA did not include "
	101	"WPA/RSN IE in (Re)Association "
	102	"Request - possible WPS use");
	103	sta->flags \|= WLAN_STA_MAYBE_WPS;
	104	goto skip_wpa_check;
	105	}
633d4469	106	#endif /* CONFIG_WPS */
b5b969e9 JM	107
	108	wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
	109	return -1;
	110	}
633d4469	111	#ifdef CONFIG_WPS
b5b969e9 JM	112	if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
b5b969e9 JM	113	os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
17f6b900	114	struct wpabuf *wps;
b5b969e9	115	sta->flags \|= WLAN_STA_WPS;
17f6b900 JM	116	wps = ieee802_11_vendor_ie_concat(ie, ielen,
	117	WPS_IE_VENDOR_TYPE);
	118	if (wps) {
	119	if (wps_is_20(wps)) {
	120	wpa_printf(MSG_DEBUG, "WPS: STA "
	121	"supports WPS 2.0");
	122	sta->flags \|= WLAN_STA_WPS2;
	123	}
	124	wpabuf_free(wps);
	125	}
b5b969e9 JM	126	goto skip_wpa_check;
b5b969e9 JM	127	}
633d4469	128	#endif /* CONFIG_WPS */
b5b969e9 JM	129
	130	if (sta->wpa_sm == NULL)
	131	sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
	132	sta->addr);
	133	if (sta->wpa_sm == NULL) {
	134	wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
	135	"machine");
	136	return -1;
	137	}
	138	res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
	139	ie, ielen, NULL, 0);
	140	if (res != WPA_IE_OK) {
	141	wpa_printf(MSG_DEBUG, "WPA/RSN information element "
	142	"rejected? (res %u)", res);
	143	wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
355d36a7	144	if (res == WPA_INVALID_GROUP)
08a74e6a	145	reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
355d36a7	146	else if (res == WPA_INVALID_PAIRWISE)
08a74e6a	147	reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
355d36a7	148	else if (res == WPA_INVALID_AKMP)
08a74e6a	149	reason = WLAN_REASON_AKMP_NOT_VALID;
355d36a7 AT	150	#ifdef CONFIG_IEEE80211W
355d36a7 AT	151	else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
08a74e6a	152	reason = WLAN_REASON_INVALID_IE;
355d36a7	153	else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
08a74e6a	154	reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
355d36a7 AT	155	#endif /* CONFIG_IEEE80211W */
355d36a7 AT	156	else
08a74e6a JM	157	reason = WLAN_REASON_INVALID_IE;
08a74e6a JM	158	goto fail;
b5b969e9	159	}
a9aca28b	160	} else if (hapd->conf->wps_state) {
633d4469	161	#ifdef CONFIG_WPS
17f6b900	162	struct wpabuf *wps;
2bb20281 JM	163	if (req_ies)
2bb20281 JM	164	wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
fa15d405 JM	165	WPS_IE_VENDOR_TYPE);
	166	else
	167	wps = NULL;
54f489be	168	#ifdef CONFIG_WPS_STRICT
fa15d405	169	if (wps && wps_validate_assoc_req(wps) < 0) {
08a74e6a	170	reason = WLAN_REASON_INVALID_IE;
fa15d405	171	wpabuf_free(wps);
08a74e6a	172	goto fail;
54f489be	173	}
54f489be	174	#endif /* CONFIG_WPS_STRICT */
fa15d405	175	if (wps) {
a9aca28b	176	sta->flags \|= WLAN_STA_WPS;
fa15d405	177	if (wps_is_20(wps)) {
17f6b900 JM	178	wpa_printf(MSG_DEBUG, "WPS: STA supports "
	179	"WPS 2.0");
	180	sta->flags \|= WLAN_STA_WPS2;
	181	}
a9aca28b JM	182	} else
a9aca28b JM	183	sta->flags \|= WLAN_STA_MAYBE_WPS;
17f6b900	184	wpabuf_free(wps);
633d4469	185	#endif /* CONFIG_WPS */
b5b969e9	186	}
633d4469	187	#ifdef CONFIG_WPS
b5b969e9	188	skip_wpa_check:
633d4469	189	#endif /* CONFIG_WPS */
b5b969e9 JM	190
	191	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	192	sta->flags \|= WLAN_STA_AUTH \| WLAN_STA_ASSOC;
	193	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
	194
	195	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
	196
	197	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
	198
ef796391	199	#ifdef CONFIG_P2P
99c01af9 JM	200	if (req_ies) {
	201	p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
	202	req_ies, req_ies_len);
	203	}
ef796391 JM	204	#endif /* CONFIG_P2P */
ef796391 JM	205
b5b969e9	206	return 0;
08a74e6a JM	207
	208	fail:
	209	hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
	210	ap_free_sta(hapd, sta);
	211	return -1;
b5b969e9 JM	212	}
	213
	214
	215	void hostapd_notif_disassoc(struct hostapd_data hapd, const u8 addr)
	216	{
	217	struct sta_info *sta;
	218
83e843e8 JM	219	if (addr == NULL) {
	220	/*
	221	* This could potentially happen with unexpected event from the
	222	* driver wrapper. This was seen at least in one case where the
	223	* driver ended up reporting a station mode event while hostapd
	224	* was running, so better make sure we stop processing such an
	225	* event here.
	226	*/
	227	wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
	228	"with no address");
1f4c7b6b	229	return;
83e843e8 JM	230	}
83e843e8 JM	231
b5b969e9 JM	232	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	233	HOSTAPD_LEVEL_INFO, "disassociated");
	234
	235	sta = ap_get_sta(hapd, addr);
	236	if (sta == NULL) {
	237	wpa_printf(MSG_DEBUG, "Disassociation notification for "
	238	"unknown STA " MACSTR, MAC2STR(addr));
	239	return;
	240	}
	241
ae055af4	242	ap_sta_set_authorized(hapd, sta, 0);
b5b969e9 JM	243	sta->flags &= ~(WLAN_STA_AUTH \| WLAN_STA_ASSOC);
	244	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
	245	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
	246	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
	247	ap_free_sta(hapd, sta);
	248	}
	249
	250
0d7e5a3a JB	251	void hostapd_event_sta_low_ack(struct hostapd_data hapd, const u8 addr)
	252	{
	253	struct sta_info *sta = ap_get_sta(hapd, addr);
	254
	255	if (!sta \|\| !hapd->conf->disassoc_low_ack)
	256	return;
	257
	258	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	259	HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
	260	"missing ACKs");
	261	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
	262	if (sta)
	263	ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
	264	}
	265
	266
04a85e44 JM	267	int hostapd_probe_req_rx(struct hostapd_data hapd, const u8 sa, const u8 *da,
04a85e44 JM	268	const u8 bssid, const u8 ie, size_t ie_len)
e67b55fb JM	269	{
	270	size_t i;
	271	int ret = 0;
	272
b211f3eb JM	273	if (sa == NULL \|\| ie == NULL)
	274	return -1;
	275
	276	random_add_randomness(sa, ETH_ALEN);
e67b55fb JM	277	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
e67b55fb JM	278	if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
04a85e44	279	sa, da, bssid, ie, ie_len) > 0) {
e67b55fb JM	280	ret = 1;
	281	break;
	282	}
	283	}
	284	return ret;
	285	}
	286
	287
f8b1f695 JM	288	#ifdef HOSTAPD
f8b1f695 JM	289
fe6bdb77	290	#ifdef NEED_AP_MLME
f8b1f695	291
f8b1f695 JM	292	#define HAPD_BROADCAST ((struct hostapd_data *) -1)
	293
	294	static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
	295	const u8 *bssid)
	296	{
	297	size_t i;
	298
	299	if (bssid == NULL)
	300	return NULL;
	301	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
	302	bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
	303	return HAPD_BROADCAST;
	304
	305	for (i = 0; i < iface->num_bss; i++) {
	306	if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
	307	return iface->bss[i];
	308	}
	309
	310	return NULL;
	311	}
	312
	313
	314	static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
9b90955e JB	315	const u8 bssid, const u8 addr,
9b90955e JB	316	int wds)
f8b1f695	317	{
9b90955e	318	hapd = get_hapd_bssid(hapd->iface, bssid);
f8b1f695 JM	319	if (hapd == NULL \|\| hapd == HAPD_BROADCAST)
	320	return;
	321
9b90955e	322	ieee802_11_rx_from_unknown(hapd, addr, wds);
f8b1f695 JM	323	}
	324
	325
2a8b7416	326	static void hostapd_mgmt_rx(struct hostapd_data hapd, struct rx_mgmt rx_mgmt)
b5b969e9	327	{
4b9841d3	328	struct hostapd_iface *iface = hapd->iface;
b57e086c	329	const struct ieee80211_hdr *hdr;
4b9841d3	330	const u8 *bssid;
2a8b7416	331	struct hostapd_frame_info fi;
4b9841d3	332
2a8b7416 JM	333	hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
2a8b7416 JM	334	bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
4b9841d3 JM	335	if (bssid == NULL)
	336	return;
	337
	338	hapd = get_hapd_bssid(iface, bssid);
	339	if (hapd == NULL) {
	340	u16 fc;
	341	fc = le_to_host16(hdr->frame_control);
	342
	343	/*
	344	* Drop frames to unknown BSSIDs except for Beacon frames which
	345	* could be used to update neighbor information.
	346	*/
	347	if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
	348	WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
	349	hapd = iface->bss[0];
	350	else
	351	return;
	352	}
	353
2a8b7416 JM	354	os_memset(&fi, 0, sizeof(fi));
	355	fi.datarate = rx_mgmt->datarate;
	356	fi.ssi_signal = rx_mgmt->ssi_signal;
	357
4b9841d3 JM	358	if (hapd == HAPD_BROADCAST) {
	359	size_t i;
	360	for (i = 0; i < iface->num_bss; i++)
2a8b7416 JM	361	ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
2a8b7416 JM	362	rx_mgmt->frame_len, &fi);
4b9841d3	363	} else
2a8b7416	364	ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
bbb921da JM	365
bbb921da JM	366	random_add_randomness(&fi, sizeof(fi));
b5b969e9 JM	367	}
	368
	369
9e2704c3 JM	370	static void hostapd_rx_action(struct hostapd_data *hapd,
	371	struct rx_action *rx_action)
	372	{
	373	struct rx_mgmt rx_mgmt;
	374	u8 *buf;
	375	struct ieee80211_hdr *hdr;
	376
	377	wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
	378	" BSSID=" MACSTR " category=%u",
	379	MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
	380	MAC2STR(rx_action->bssid), rx_action->category);
	381	wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
	382	rx_action->data, rx_action->len);
	383
	384	buf = os_zalloc(24 + 1 + rx_action->len);
	385	if (buf == NULL)
	386	return;
	387	hdr = (struct ieee80211_hdr *) buf;
	388	hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
	389	WLAN_FC_STYPE_ACTION);
	390	if (rx_action->category == WLAN_ACTION_SA_QUERY) {
	391	/*
	392	* Assume frame was protected; it would have been dropped if
	393	* not.
	394	*/
	395	hdr->frame_control \|= host_to_le16(WLAN_FC_ISWEP);
	396	}
	397	os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
	398	os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
	399	os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
	400	buf[24] = rx_action->category;
	401	os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
	402	os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
	403	rx_mgmt.frame = buf;
	404	rx_mgmt.frame_len = 24 + 1 + rx_action->len;
	405	hostapd_mgmt_rx(hapd, &rx_mgmt);
	406	os_free(buf);
	407	}
	408
	409
f8b1f695 JM	410	static void hostapd_mgmt_tx_cb(struct hostapd_data hapd, const u8 buf,
f8b1f695 JM	411	size_t len, u16 stype, int ok)
b5b969e9	412	{
4b9841d3 JM	413	struct ieee80211_hdr *hdr;
	414	hdr = (struct ieee80211_hdr *) buf;
	415	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	416	if (hapd == NULL \|\| hapd == HAPD_BROADCAST)
	417	return;
b5b969e9 JM	418	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
b5b969e9 JM	419	}
f82ef4d8	420
f8b1f695	421	#endif /* NEED_AP_MLME */
ad1e68e6 JM	422
ad1e68e6 JM	423
a8e0505b JM	424	static int hostapd_event_new_sta(struct hostapd_data hapd, const u8 addr)
	425	{
	426	struct sta_info *sta = ap_get_sta(hapd, addr);
	427	if (sta)
	428	return 0;
	429
	430	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
	431	" - adding a new STA", MAC2STR(addr));
	432	sta = ap_sta_add(hapd, addr);
	433	if (sta) {
	434	hostapd_new_assoc_sta(hapd, sta, 0);
	435	} else {
	436	wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
	437	MAC2STR(addr));
	438	return -1;
	439	}
	440
	441	return 0;
	442	}
	443
	444
	445	static void hostapd_event_eapol_rx(struct hostapd_data hapd, const u8 src,
	446	const u8 *data, size_t data_len)
	447	{
	448	struct hostapd_iface *iface = hapd->iface;
	449	size_t j;
	450
	451	for (j = 0; j < iface->num_bss; j++) {
	452	if (ap_get_sta(iface->bss[j], src)) {
	453	hapd = iface->bss[j];
	454	break;
	455	}
	456	}
	457
	458	ieee802_1x_receive(hapd, src, data, data_len);
	459	}
	460
	461
9646a8ab	462	void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
ad1e68e6 JM	463	union wpa_event_data *data)
	464	{
	465	struct hostapd_data *hapd = ctx;
74781dfc JM	466	#ifndef CONFIG_NO_STDOUT_DEBUG
74781dfc JM	467	int level = MSG_DEBUG;
ad1e68e6	468
74781dfc JM	469	if (event == EVENT_RX_MGMT && data && data->rx_mgmt.frame &&
	470	data->rx_mgmt.frame_len >= 24) {
	471	const struct ieee80211_hdr *hdr;
	472	u16 fc;
	473	hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
	474	fc = le_to_host16(hdr->frame_control);
	475	if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
	476	WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
	477	level = MSG_EXCESSIVE;
	478	}
	479
	480	wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
e26cd1a1	481	event_to_string(event), event);
74781dfc	482	#endif /* CONFIG_NO_STDOUT_DEBUG */
e26cd1a1	483
ad1e68e6 JM	484	switch (event) {
	485	case EVENT_MICHAEL_MIC_FAILURE:
	486	michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
	487	break;
	488	case EVENT_SCAN_RESULTS:
	489	if (hapd->iface->scan_cb)
	490	hapd->iface->scan_cb(hapd->iface);
	491	break;
08fd8c15	492	#ifdef CONFIG_IEEE80211R
f2dab64e	493	case EVENT_FT_RRB_RX:
08fd8c15 JM	494	wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
	495	data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
	496	break;
	497	#endif /* CONFIG_IEEE80211R */
fcf0f87d	498	case EVENT_WPS_BUTTON_PUSHED:
d601247c	499	hostapd_wps_button_pushed(hapd, NULL);
fcf0f87d	500	break;
f8b1f695 JM	501	#ifdef NEED_AP_MLME
	502	case EVENT_TX_STATUS:
	503	switch (data->tx_status.type) {
	504	case WLAN_FC_TYPE_MGMT:
	505	hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
	506	data->tx_status.data_len,
	507	data->tx_status.stype,
	508	data->tx_status.ack);
	509	break;
	510	case WLAN_FC_TYPE_DATA:
	511	hostapd_tx_status(hapd, data->tx_status.dst,
	512	data->tx_status.data,
	513	data->tx_status.data_len,
	514	data->tx_status.ack);
	515	break;
	516	}
	517	break;
dd840f79 JB	518	case EVENT_EAPOL_TX_STATUS:
	519	hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
	520	data->eapol_tx_status.data,
	521	data->eapol_tx_status.data_len,
	522	data->eapol_tx_status.ack);
	523	break;
bcf24348 JB	524	case EVENT_DRIVER_CLIENT_POLL_OK:
	525	hostapd_client_poll_ok(hapd, data->client_poll.addr);
	526	break;
f8b1f695	527	case EVENT_RX_FROM_UNKNOWN:
9b90955e JB	528	hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
	529	data->rx_from_unknown.addr,
	530	data->rx_from_unknown.wds);
f8b1f695 JM	531	break;
f8b1f695 JM	532	case EVENT_RX_MGMT:
2a8b7416	533	hostapd_mgmt_rx(hapd, &data->rx_mgmt);
f8b1f695 JM	534	break;
f8b1f695 JM	535	#endif /* NEED_AP_MLME */
a0e0d3bb	536	case EVENT_RX_PROBE_REQ:
b211f3eb JM	537	if (data->rx_probe_req.sa == NULL \|\|
	538	data->rx_probe_req.ie == NULL)
	539	break;
a0e0d3bb	540	hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
04a85e44 JM	541	data->rx_probe_req.da,
04a85e44 JM	542	data->rx_probe_req.bssid,
a0e0d3bb JM	543	data->rx_probe_req.ie,
	544	data->rx_probe_req.ie_len);
	545	break;
a70a5d6d	546	case EVENT_NEW_STA:
a8e0505b JM	547	hostapd_event_new_sta(hapd, data->new_sta.addr);
	548	break;
	549	case EVENT_EAPOL_RX:
	550	hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
	551	data->eapol_rx.data,
	552	data->eapol_rx.data_len);
	553	break;
1d041bec JM	554	case EVENT_ASSOC:
	555	hostapd_notif_assoc(hapd, data->assoc_info.addr,
	556	data->assoc_info.req_ies,
39b08b5f SP	557	data->assoc_info.req_ies_len,
39b08b5f SP	558	data->assoc_info.reassoc);
1d041bec JM	559	break;
	560	case EVENT_DISASSOC:
	561	if (data)
	562	hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
	563	break;
	564	case EVENT_DEAUTH:
	565	if (data)
	566	hostapd_notif_disassoc(hapd, data->deauth_info.addr);
	567	break;
0d7e5a3a JB	568	case EVENT_STATION_LOW_ACK:
	569	if (!data)
	570	break;
	571	hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
	572	break;
7cc7307d	573	#ifdef NEED_AP_MLME
9e2704c3 JM	574	case EVENT_RX_ACTION:
	575	if (data->rx_action.da == NULL \|\| data->rx_action.sa == NULL \|\|
	576	data->rx_action.bssid == NULL)
	577	break;
	578	hostapd_rx_action(hapd, &data->rx_action);
	579	break;
7cc7307d	580	#endif /* NEED_AP_MLME */
ad1e68e6 JM	581	default:
	582	wpa_printf(MSG_DEBUG, "Unknown event %d", event);
	583	break;
	584	}
	585	}
f8b1f695 JM	586
f8b1f695 JM	587	#endif /* HOSTAPD */