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

/*
 * hostapd / Callback functions for driver wrappers
 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING 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 "common/wpa_ctrl.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 "iapp.h"
#include "ieee802_1x.h"
#include "wpa_auth.h"
#include "wmm.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 *ie, size_t ielen, int reassoc)
{
	struct sta_info *sta;
	int new_assoc, res;
	struct ieee802_11_elems elems;
#ifdef CONFIG_P2P
	const u8 *all_ies = ie;
	size_t all_ies_len = ielen;
#endif /* CONFIG_P2P */

	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(ie, ielen, &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(all_ies, all_ies_len,
							  P2P_IE_VENDOR_TYPE);
	}
#endif /* CONFIG_P2P */

	if (hapd->conf->wpa) {
		if (ie == NULL || ielen == 0) {
			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;
			}

			wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
			return -1;
		}
		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;
		}

		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) {
			int resp;
			wpa_printf(MSG_DEBUG, "WPA/RSN information element "
				   "rejected? (res %u)", res);
			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
			if (res == WPA_INVALID_GROUP)
				resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
			else if (res == WPA_INVALID_PAIRWISE)
				resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
			else if (res == WPA_INVALID_AKMP)
				resp = WLAN_REASON_AKMP_NOT_VALID;
#ifdef CONFIG_IEEE80211W
			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
				resp = WLAN_REASON_INVALID_IE;
			else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
				resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
#endif /* CONFIG_IEEE80211W */
			else
				resp = WLAN_REASON_INVALID_IE;
			hostapd_drv_sta_disassoc(hapd, sta->addr, resp);
			ap_free_sta(hapd, sta);
			return -1;
		}
	} else if (hapd->conf->wps_state) {
		struct wpabuf *wps;
		wps = ieee802_11_vendor_ie_concat(ie, ielen,
						  WPS_IE_VENDOR_TYPE);
#ifdef CONFIG_WPS_STRICT
		if (ie) {
			if (wps && wps_validate_assoc_req(wps) < 0) {
				hostapd_drv_sta_disassoc(
					hapd, sta->addr,
					WLAN_REASON_INVALID_IE);
				ap_free_sta(hapd, sta);
				wpabuf_free(wps);
				return -1;
			}
			wpabuf_free(wps);
		}
#endif /* CONFIG_WPS_STRICT */
		if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
			sta->flags |= WLAN_STA_WPS;
			if (wps && 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);
	}
skip_wpa_check:

	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
	p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
			      all_ies, all_ies_len);
#endif /* CONFIG_P2P */

	return 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;
	}

	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
		MAC2STR(sta->addr));
	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

static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
{
	u16 fc, type, stype;

	/*
	 * PS-Poll frames are 16 bytes. All other frames are
	 * 24 bytes or longer.
	 */
	if (len < 16)
		return NULL;

	fc = le_to_host16(hdr->frame_control);
	type = WLAN_FC_GET_TYPE(fc);
	stype = WLAN_FC_GET_STYPE(fc);

	switch (type) {
	case WLAN_FC_TYPE_DATA:
		if (len < 24)
			return NULL;
		switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
		case WLAN_FC_FROMDS | WLAN_FC_TODS:
		case WLAN_FC_TODS:
			return hdr->addr1;
		case WLAN_FC_FROMDS:
			return hdr->addr2;
		default:
			return NULL;
		}
	case WLAN_FC_TYPE_CTRL:
		if (stype != WLAN_FC_STYPE_PSPOLL)
			return NULL;
		return hdr->addr1;
	case WLAN_FC_TYPE_MGMT:
		return hdr->addr3;
	default:
		return NULL;
	}
}


#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 *frame, size_t len)
{
	const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame;
	u16 fc = le_to_host16(hdr->frame_control);
	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	if (hapd == NULL || hapd == HAPD_BROADCAST)
		return;

	ieee802_11_rx_from_unknown(hapd, hdr->addr2,
				   (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
				   (WLAN_FC_TODS | WLAN_FC_FROMDS));
}


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;

	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_RX_FROM_UNKNOWN:
		hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame,
					    data->rx_from_unknown.len);
		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	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License version 2 as
	7	* published by the Free Software Foundation.
	8	*
	9	* Alternatively, this software may be distributed under the terms of BSD
	10	* license.
	11	*
	12	* See README and COPYING for more details.
	13	*/
	14
6226e38d	15	#include "utils/includes.h"
b5b969e9	16
6226e38d	17	#include "utils/common.h"
b5b969e9	18	#include "radius/radius.h"
6e6e8c31	19	#include "drivers/driver.h"
81f4f619	20	#include "common/ieee802_11_defs.h"
c41a1095	21	#include "common/ieee802_11_common.h"
9a3cb18d	22	#include "common/wpa_ctrl.h"
bbb921da	23	#include "crypto/random.h"
ef796391	24	#include "p2p/p2p.h"
54f489be	25	#include "wps/wps.h"
6226e38d JM	26	#include "hostapd.h"
	27	#include "ieee802_11.h"
	28	#include "sta_info.h"
	29	#include "accounting.h"
	30	#include "tkip_countermeasures.h"
	31	#include "iapp.h"
	32	#include "ieee802_1x.h"
	33	#include "wpa_auth.h"
	34	#include "wmm.h"
	35	#include "wps_hostapd.h"
51e2a27a	36	#include "ap_drv_ops.h"
8b06c1ed	37	#include "ap_config.h"
b5b969e9 JM	38
b5b969e9 JM	39
b5b969e9	40	int hostapd_notif_assoc(struct hostapd_data hapd, const u8 addr,
39b08b5f	41	const u8 *ie, size_t ielen, int reassoc)
b5b969e9 JM	42	{
	43	struct sta_info *sta;
	44	int new_assoc, res;
c41a1095	45	struct ieee802_11_elems elems;
b305c684 JM	46	#ifdef CONFIG_P2P
	47	const u8 *all_ies = ie;
	48	size_t all_ies_len = ielen;
	49	#endif /* CONFIG_P2P */
b5b969e9	50
68532a9c JM	51	if (addr == NULL) {
	52	/*
	53	* This could potentially happen with unexpected event from the
	54	* driver wrapper. This was seen at least in one case where the
	55	* driver ended up being set to station mode while hostapd was
	56	* running, so better make sure we stop processing such an
	57	* event here.
	58	*/
	59	wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
	60	"no address");
	61	return -1;
	62	}
bbb921da	63	random_add_randomness(addr, ETH_ALEN);
68532a9c	64
b5b969e9 JM	65	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	66	HOSTAPD_LEVEL_INFO, "associated");
	67
c41a1095 JM	68	ieee802_11_parse_elems(ie, ielen, &elems, 0);
	69	if (elems.wps_ie) {
	70	ie = elems.wps_ie - 2;
	71	ielen = elems.wps_ie_len + 2;
	72	wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
	73	} else if (elems.rsn_ie) {
	74	ie = elems.rsn_ie - 2;
	75	ielen = elems.rsn_ie_len + 2;
	76	wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
	77	} else if (elems.wpa_ie) {
	78	ie = elems.wpa_ie - 2;
	79	ielen = elems.wpa_ie_len + 2;
	80	wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
	81	} else {
	82	ie = NULL;
	83	ielen = 0;
	84	wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
	85	"(Re)AssocReq");
	86	}
	87
b5b969e9 JM	88	sta = ap_get_sta(hapd, addr);
	89	if (sta) {
	90	accounting_sta_stop(hapd, sta);
	91	} else {
	92	sta = ap_sta_add(hapd, addr);
	93	if (sta == NULL)
	94	return -1;
	95	}
17f6b900	96	sta->flags &= ~(WLAN_STA_WPS \| WLAN_STA_MAYBE_WPS \| WLAN_STA_WPS2);
b5b969e9	97
b305c684 JM	98	#ifdef CONFIG_P2P
	99	if (elems.p2p) {
	100	wpabuf_free(sta->p2p_ie);
	101	sta->p2p_ie = ieee802_11_vendor_ie_concat(all_ies, all_ies_len,
	102	P2P_IE_VENDOR_TYPE);
	103	}
	104	#endif /* CONFIG_P2P */
	105
b5b969e9 JM	106	if (hapd->conf->wpa) {
	107	if (ie == NULL \|\| ielen == 0) {
	108	if (hapd->conf->wps_state) {
	109	wpa_printf(MSG_DEBUG, "STA did not include "
	110	"WPA/RSN IE in (Re)Association "
	111	"Request - possible WPS use");
	112	sta->flags \|= WLAN_STA_MAYBE_WPS;
	113	goto skip_wpa_check;
	114	}
	115
	116	wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
	117	return -1;
	118	}
	119	if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
	120	os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
17f6b900	121	struct wpabuf *wps;
b5b969e9	122	sta->flags \|= WLAN_STA_WPS;
17f6b900 JM	123	wps = ieee802_11_vendor_ie_concat(ie, ielen,
	124	WPS_IE_VENDOR_TYPE);
	125	if (wps) {
	126	if (wps_is_20(wps)) {
	127	wpa_printf(MSG_DEBUG, "WPS: STA "
	128	"supports WPS 2.0");
	129	sta->flags \|= WLAN_STA_WPS2;
	130	}
	131	wpabuf_free(wps);
	132	}
b5b969e9 JM	133	goto skip_wpa_check;
	134	}
	135
	136	if (sta->wpa_sm == NULL)
	137	sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
	138	sta->addr);
	139	if (sta->wpa_sm == NULL) {
	140	wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
	141	"machine");
	142	return -1;
	143	}
	144	res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
	145	ie, ielen, NULL, 0);
	146	if (res != WPA_IE_OK) {
355d36a7	147	int resp;
b5b969e9 JM	148	wpa_printf(MSG_DEBUG, "WPA/RSN information element "
	149	"rejected? (res %u)", res);
	150	wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
355d36a7 AT	151	if (res == WPA_INVALID_GROUP)
	152	resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
	153	else if (res == WPA_INVALID_PAIRWISE)
	154	resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
	155	else if (res == WPA_INVALID_AKMP)
	156	resp = WLAN_REASON_AKMP_NOT_VALID;
	157	#ifdef CONFIG_IEEE80211W
	158	else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
	159	resp = WLAN_REASON_INVALID_IE;
	160	else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
	161	resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
	162	#endif /* CONFIG_IEEE80211W */
	163	else
	164	resp = WLAN_REASON_INVALID_IE;
51e2a27a	165	hostapd_drv_sta_disassoc(hapd, sta->addr, resp);
355d36a7	166	ap_free_sta(hapd, sta);
b5b969e9 JM	167	return -1;
b5b969e9 JM	168	}
a9aca28b	169	} else if (hapd->conf->wps_state) {
17f6b900 JM	170	struct wpabuf *wps;
	171	wps = ieee802_11_vendor_ie_concat(ie, ielen,
	172	WPS_IE_VENDOR_TYPE);
54f489be	173	#ifdef CONFIG_WPS_STRICT
6e432d3f	174	if (ie) {
6e432d3f JM	175	if (wps && wps_validate_assoc_req(wps) < 0) {
	176	hostapd_drv_sta_disassoc(
	177	hapd, sta->addr,
	178	WLAN_REASON_INVALID_IE);
	179	ap_free_sta(hapd, sta);
	180	wpabuf_free(wps);
	181	return -1;
	182	}
54f489be	183	wpabuf_free(wps);
54f489be	184	}
54f489be	185	#endif /* CONFIG_WPS_STRICT */
a9aca28b JM	186	if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
	187	os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
	188	sta->flags \|= WLAN_STA_WPS;
17f6b900 JM	189	if (wps && wps_is_20(wps)) {
	190	wpa_printf(MSG_DEBUG, "WPS: STA supports "
	191	"WPS 2.0");
	192	sta->flags \|= WLAN_STA_WPS2;
	193	}
a9aca28b JM	194	} else
a9aca28b JM	195	sta->flags \|= WLAN_STA_MAYBE_WPS;
17f6b900	196	wpabuf_free(wps);
b5b969e9 JM	197	}
	198	skip_wpa_check:
	199
	200	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	201	sta->flags \|= WLAN_STA_AUTH \| WLAN_STA_ASSOC;
	202	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
	203
	204	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
	205
	206	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
	207
ef796391	208	#ifdef CONFIG_P2P
3f4ce13f JM	209	p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
3f4ce13f JM	210	all_ies, all_ies_len);
ef796391 JM	211	#endif /* CONFIG_P2P */
ef796391 JM	212
b5b969e9 JM	213	return 0;
	214	}
	215
	216
	217	void hostapd_notif_disassoc(struct hostapd_data hapd, const u8 addr)
	218	{
	219	struct sta_info *sta;
	220
83e843e8 JM	221	if (addr == NULL) {
	222	/*
	223	* This could potentially happen with unexpected event from the
	224	* driver wrapper. This was seen at least in one case where the
	225	* driver ended up reporting a station mode event while hostapd
	226	* was running, so better make sure we stop processing such an
	227	* event here.
	228	*/
	229	wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
	230	"with no address");
1f4c7b6b	231	return;
83e843e8 JM	232	}
83e843e8 JM	233
b5b969e9 JM	234	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	235	HOSTAPD_LEVEL_INFO, "disassociated");
	236
	237	sta = ap_get_sta(hapd, addr);
	238	if (sta == NULL) {
	239	wpa_printf(MSG_DEBUG, "Disassociation notification for "
	240	"unknown STA " MACSTR, MAC2STR(addr));
	241	return;
	242	}
	243
	244	sta->flags &= ~(WLAN_STA_AUTH \| WLAN_STA_ASSOC);
9a3cb18d JM	245	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
9a3cb18d JM	246	MAC2STR(sta->addr));
b5b969e9 JM	247	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
	248	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
	249	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
	250	ap_free_sta(hapd, sta);
	251	}
	252
	253
0d7e5a3a JB	254	void hostapd_event_sta_low_ack(struct hostapd_data hapd, const u8 addr)
	255	{
	256	struct sta_info *sta = ap_get_sta(hapd, addr);
	257
	258	if (!sta \|\| !hapd->conf->disassoc_low_ack)
	259	return;
	260
	261	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	262	HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
	263	"missing ACKs");
	264	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
	265	if (sta)
	266	ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
	267	}
	268
	269
04a85e44 JM	270	int hostapd_probe_req_rx(struct hostapd_data hapd, const u8 sa, const u8 *da,
04a85e44 JM	271	const u8 bssid, const u8 ie, size_t ie_len)
e67b55fb JM	272	{
	273	size_t i;
	274	int ret = 0;
	275
b211f3eb JM	276	if (sa == NULL \|\| ie == NULL)
	277	return -1;
	278
	279	random_add_randomness(sa, ETH_ALEN);
e67b55fb JM	280	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
e67b55fb JM	281	if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
04a85e44	282	sa, da, bssid, ie, ie_len) > 0) {
e67b55fb JM	283	ret = 1;
	284	break;
	285	}
	286	}
	287	return ret;
	288	}
	289
	290
f8b1f695 JM	291	#ifdef HOSTAPD
f8b1f695 JM	292
fe6bdb77	293	#ifdef NEED_AP_MLME
f8b1f695 JM	294
	295	static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
	296	{
	297	u16 fc, type, stype;
	298
	299	/*
	300	* PS-Poll frames are 16 bytes. All other frames are
	301	* 24 bytes or longer.
	302	*/
	303	if (len < 16)
	304	return NULL;
	305
	306	fc = le_to_host16(hdr->frame_control);
	307	type = WLAN_FC_GET_TYPE(fc);
	308	stype = WLAN_FC_GET_STYPE(fc);
	309
	310	switch (type) {
	311	case WLAN_FC_TYPE_DATA:
	312	if (len < 24)
	313	return NULL;
	314	switch (fc & (WLAN_FC_FROMDS \| WLAN_FC_TODS)) {
fbbfcbac	315	case WLAN_FC_FROMDS \| WLAN_FC_TODS:
f8b1f695 JM	316	case WLAN_FC_TODS:
	317	return hdr->addr1;
	318	case WLAN_FC_FROMDS:
	319	return hdr->addr2;
	320	default:
	321	return NULL;
	322	}
	323	case WLAN_FC_TYPE_CTRL:
	324	if (stype != WLAN_FC_STYPE_PSPOLL)
	325	return NULL;
	326	return hdr->addr1;
	327	case WLAN_FC_TYPE_MGMT:
	328	return hdr->addr3;
	329	default:
	330	return NULL;
	331	}
	332	}
	333
	334
	335	#define HAPD_BROADCAST ((struct hostapd_data *) -1)
	336
	337	static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
	338	const u8 *bssid)
	339	{
	340	size_t i;
	341
	342	if (bssid == NULL)
	343	return NULL;
	344	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
	345	bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
	346	return HAPD_BROADCAST;
	347
	348	for (i = 0; i < iface->num_bss; i++) {
	349	if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
	350	return iface->bss[i];
	351	}
	352
	353	return NULL;
	354	}
	355
	356
	357	static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
0d9fc3d8	358	const u8 *frame, size_t len)
f8b1f695	359	{
0d9fc3d8	360	const struct ieee80211_hdr hdr = (const struct ieee80211_hdr ) frame;
fbbfcbac	361	u16 fc = le_to_host16(hdr->frame_control);
f8b1f695 JM	362	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	363	if (hapd == NULL \|\| hapd == HAPD_BROADCAST)
	364	return;
	365
fbbfcbac FF	366	ieee802_11_rx_from_unknown(hapd, hdr->addr2,
	367	(fc & (WLAN_FC_TODS \| WLAN_FC_FROMDS)) ==
	368	(WLAN_FC_TODS \| WLAN_FC_FROMDS));
f8b1f695 JM	369	}
	370
	371
2a8b7416	372	static void hostapd_mgmt_rx(struct hostapd_data hapd, struct rx_mgmt rx_mgmt)
b5b969e9	373	{
4b9841d3	374	struct hostapd_iface *iface = hapd->iface;
b57e086c	375	const struct ieee80211_hdr *hdr;
4b9841d3	376	const u8 *bssid;
2a8b7416	377	struct hostapd_frame_info fi;
4b9841d3	378
2a8b7416 JM	379	hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
2a8b7416 JM	380	bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
4b9841d3 JM	381	if (bssid == NULL)
	382	return;
	383
	384	hapd = get_hapd_bssid(iface, bssid);
	385	if (hapd == NULL) {
	386	u16 fc;
	387	fc = le_to_host16(hdr->frame_control);
	388
	389	/*
	390	* Drop frames to unknown BSSIDs except for Beacon frames which
	391	* could be used to update neighbor information.
	392	*/
	393	if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
	394	WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
	395	hapd = iface->bss[0];
	396	else
	397	return;
	398	}
	399
2a8b7416 JM	400	os_memset(&fi, 0, sizeof(fi));
	401	fi.datarate = rx_mgmt->datarate;
	402	fi.ssi_signal = rx_mgmt->ssi_signal;
	403
4b9841d3 JM	404	if (hapd == HAPD_BROADCAST) {
	405	size_t i;
	406	for (i = 0; i < iface->num_bss; i++)
2a8b7416 JM	407	ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
2a8b7416 JM	408	rx_mgmt->frame_len, &fi);
4b9841d3	409	} else
2a8b7416	410	ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
bbb921da JM	411
bbb921da JM	412	random_add_randomness(&fi, sizeof(fi));
b5b969e9 JM	413	}
	414
	415
9e2704c3 JM	416	static void hostapd_rx_action(struct hostapd_data *hapd,
	417	struct rx_action *rx_action)
	418	{
	419	struct rx_mgmt rx_mgmt;
	420	u8 *buf;
	421	struct ieee80211_hdr *hdr;
	422
	423	wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
	424	" BSSID=" MACSTR " category=%u",
	425	MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
	426	MAC2STR(rx_action->bssid), rx_action->category);
	427	wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
	428	rx_action->data, rx_action->len);
	429
	430	buf = os_zalloc(24 + 1 + rx_action->len);
	431	if (buf == NULL)
	432	return;
	433	hdr = (struct ieee80211_hdr *) buf;
	434	hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
	435	WLAN_FC_STYPE_ACTION);
	436	if (rx_action->category == WLAN_ACTION_SA_QUERY) {
	437	/*
	438	* Assume frame was protected; it would have been dropped if
	439	* not.
	440	*/
	441	hdr->frame_control \|= host_to_le16(WLAN_FC_ISWEP);
	442	}
	443	os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
	444	os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
	445	os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
	446	buf[24] = rx_action->category;
	447	os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
	448	os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
	449	rx_mgmt.frame = buf;
	450	rx_mgmt.frame_len = 24 + 1 + rx_action->len;
	451	hostapd_mgmt_rx(hapd, &rx_mgmt);
	452	os_free(buf);
	453	}
	454
	455
f8b1f695 JM	456	static void hostapd_mgmt_tx_cb(struct hostapd_data hapd, const u8 buf,
f8b1f695 JM	457	size_t len, u16 stype, int ok)
b5b969e9	458	{
4b9841d3 JM	459	struct ieee80211_hdr *hdr;
	460	hdr = (struct ieee80211_hdr *) buf;
	461	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	462	if (hapd == NULL \|\| hapd == HAPD_BROADCAST)
	463	return;
b5b969e9 JM	464	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
b5b969e9 JM	465	}
f82ef4d8	466
f8b1f695	467	#endif /* NEED_AP_MLME */
ad1e68e6 JM	468
ad1e68e6 JM	469
a8e0505b JM	470	static int hostapd_event_new_sta(struct hostapd_data hapd, const u8 addr)
	471	{
	472	struct sta_info *sta = ap_get_sta(hapd, addr);
	473	if (sta)
	474	return 0;
	475
	476	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
	477	" - adding a new STA", MAC2STR(addr));
	478	sta = ap_sta_add(hapd, addr);
	479	if (sta) {
	480	hostapd_new_assoc_sta(hapd, sta, 0);
	481	} else {
	482	wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
	483	MAC2STR(addr));
	484	return -1;
	485	}
	486
	487	return 0;
	488	}
	489
	490
	491	static void hostapd_event_eapol_rx(struct hostapd_data hapd, const u8 src,
	492	const u8 *data, size_t data_len)
	493	{
	494	struct hostapd_iface *iface = hapd->iface;
	495	size_t j;
	496
	497	for (j = 0; j < iface->num_bss; j++) {
	498	if (ap_get_sta(iface->bss[j], src)) {
	499	hapd = iface->bss[j];
	500	break;
	501	}
	502	}
	503
	504	ieee802_1x_receive(hapd, src, data, data_len);
	505	}
	506
	507
9646a8ab	508	void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
ad1e68e6 JM	509	union wpa_event_data *data)
	510	{
	511	struct hostapd_data *hapd = ctx;
	512
	513	switch (event) {
	514	case EVENT_MICHAEL_MIC_FAILURE:
	515	michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
	516	break;
	517	case EVENT_SCAN_RESULTS:
	518	if (hapd->iface->scan_cb)
	519	hapd->iface->scan_cb(hapd->iface);
	520	break;
08fd8c15	521	#ifdef CONFIG_IEEE80211R
f2dab64e	522	case EVENT_FT_RRB_RX:
08fd8c15 JM	523	wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
	524	data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
	525	break;
	526	#endif /* CONFIG_IEEE80211R */
fcf0f87d	527	case EVENT_WPS_BUTTON_PUSHED:
d601247c	528	hostapd_wps_button_pushed(hapd, NULL);
fcf0f87d	529	break;
f8b1f695 JM	530	#ifdef NEED_AP_MLME
	531	case EVENT_TX_STATUS:
	532	switch (data->tx_status.type) {
	533	case WLAN_FC_TYPE_MGMT:
	534	hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
	535	data->tx_status.data_len,
	536	data->tx_status.stype,
	537	data->tx_status.ack);
	538	break;
	539	case WLAN_FC_TYPE_DATA:
	540	hostapd_tx_status(hapd, data->tx_status.dst,
	541	data->tx_status.data,
	542	data->tx_status.data_len,
	543	data->tx_status.ack);
	544	break;
	545	}
	546	break;
	547	case EVENT_RX_FROM_UNKNOWN:
0d9fc3d8	548	hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame,
f8b1f695 JM	549	data->rx_from_unknown.len);
	550	break;
	551	case EVENT_RX_MGMT:
2a8b7416	552	hostapd_mgmt_rx(hapd, &data->rx_mgmt);
f8b1f695 JM	553	break;
f8b1f695 JM	554	#endif /* NEED_AP_MLME */
a0e0d3bb	555	case EVENT_RX_PROBE_REQ:
b211f3eb JM	556	if (data->rx_probe_req.sa == NULL \|\|
	557	data->rx_probe_req.ie == NULL)
	558	break;
a0e0d3bb	559	hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
04a85e44 JM	560	data->rx_probe_req.da,
04a85e44 JM	561	data->rx_probe_req.bssid,
a0e0d3bb JM	562	data->rx_probe_req.ie,
	563	data->rx_probe_req.ie_len);
	564	break;
a70a5d6d	565	case EVENT_NEW_STA:
a8e0505b JM	566	hostapd_event_new_sta(hapd, data->new_sta.addr);
	567	break;
	568	case EVENT_EAPOL_RX:
	569	hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
	570	data->eapol_rx.data,
	571	data->eapol_rx.data_len);
	572	break;
1d041bec JM	573	case EVENT_ASSOC:
	574	hostapd_notif_assoc(hapd, data->assoc_info.addr,
	575	data->assoc_info.req_ies,
39b08b5f SP	576	data->assoc_info.req_ies_len,
39b08b5f SP	577	data->assoc_info.reassoc);
1d041bec JM	578	break;
	579	case EVENT_DISASSOC:
	580	if (data)
	581	hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
	582	break;
	583	case EVENT_DEAUTH:
	584	if (data)
	585	hostapd_notif_disassoc(hapd, data->deauth_info.addr);
	586	break;
0d7e5a3a JB	587	case EVENT_STATION_LOW_ACK:
	588	if (!data)
	589	break;
	590	hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
	591	break;
7cc7307d	592	#ifdef NEED_AP_MLME
9e2704c3 JM	593	case EVENT_RX_ACTION:
	594	if (data->rx_action.da == NULL \|\| data->rx_action.sa == NULL \|\|
	595	data->rx_action.bssid == NULL)
	596	break;
	597	hostapd_rx_action(hapd, &data->rx_action);
	598	break;
7cc7307d	599	#endif /* NEED_AP_MLME */
ad1e68e6 JM	600	default:
	601	wpa_printf(MSG_DEBUG, "Unknown event %d", event);
	602	break;
	603	}
	604	}
f8b1f695 JM	605
f8b1f695 JM	606	#endif /* HOSTAPD */