[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 "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_config.h"


int hostapd_notif_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;
}


int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
			const u8 *ie, size_t ielen)
{
	struct sta_info *sta;
	int new_assoc, res;

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

	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);

	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) {
			sta->flags |= WLAN_STA_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;
			hapd->drv.sta_disassoc(hapd, sta->addr, resp);
			ap_free_sta(hapd, sta);
			return -1;
		}
	} else if (hapd->conf->wps_state) {
		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;
		} else
			sta->flags |= WLAN_STA_MAYBE_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);

	return 0;
}


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

	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_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_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
			   const u8 *buf, size_t len)
{
	ieee802_1x_receive(hapd, sa, buf, len);
}


struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
					  const u8 *addr)
{
	struct hostapd_iface *iface = hapd->iface;
	size_t j;

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

	return NULL;
}


#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 struct ieee80211_hdr *hdr,
					size_t len)
{
	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, const u8 *buf,
			    size_t len, struct hostapd_frame_info *fi)
{
	struct hostapd_iface *iface = hapd->iface;
	const struct ieee80211_hdr *hdr;
	const u8 *bssid;

	hdr = (const struct ieee80211_hdr *) buf;
	bssid = get_hdr_bssid(hdr, 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;
	}

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


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 */


void wpa_supplicant_event(void *ctx, 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);
		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.hdr,
					    data->rx_from_unknown.len);
		break;
	case EVENT_RX_MGMT:
		hostapd_mgmt_rx(hapd, data->rx_mgmt.frame,
				data->rx_mgmt.frame_len, data->rx_mgmt.fi);
		break;
#endif /* NEED_AP_MLME */
	default:
		wpa_printf(MSG_DEBUG, "Unknown event %d", event);
		break;
	}
}

#endif /* HOSTAPD */


void hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
			 const u8 *ie, size_t ie_len)
{
	size_t i;

	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
		hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
					sa, ie, ie_len);
}
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"
6226e38d JM	20	#include "hostapd.h"
	21	#include "ieee802_11.h"
	22	#include "sta_info.h"
	23	#include "accounting.h"
	24	#include "tkip_countermeasures.h"
	25	#include "iapp.h"
	26	#include "ieee802_1x.h"
	27	#include "wpa_auth.h"
	28	#include "wmm.h"
	29	#include "wps_hostapd.h"
8b06c1ed	30	#include "ap_config.h"
b5b969e9 JM	31
b5b969e9 JM	32
05310066 JM	33	int hostapd_notif_new_sta(struct hostapd_data hapd, const u8 addr)
	34	{
	35	struct sta_info *sta = ap_get_sta(hapd, addr);
	36	if (sta)
	37	return 0;
	38
	39	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
	40	" - adding a new STA", MAC2STR(addr));
	41	sta = ap_sta_add(hapd, addr);
	42	if (sta) {
	43	hostapd_new_assoc_sta(hapd, sta, 0);
	44	} else {
	45	wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
	46	MAC2STR(addr));
	47	return -1;
	48	}
	49
	50	return 0;
	51	}
	52
	53
b5b969e9 JM	54	int hostapd_notif_assoc(struct hostapd_data hapd, const u8 addr,
	55	const u8 *ie, size_t ielen)
	56	{
	57	struct sta_info *sta;
	58	int new_assoc, res;
	59
	60	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	61	HOSTAPD_LEVEL_INFO, "associated");
	62
	63	sta = ap_get_sta(hapd, addr);
	64	if (sta) {
	65	accounting_sta_stop(hapd, sta);
	66	} else {
	67	sta = ap_sta_add(hapd, addr);
	68	if (sta == NULL)
	69	return -1;
	70	}
	71	sta->flags &= ~(WLAN_STA_WPS \| WLAN_STA_MAYBE_WPS);
	72
	73	if (hapd->conf->wpa) {
	74	if (ie == NULL \|\| ielen == 0) {
	75	if (hapd->conf->wps_state) {
	76	wpa_printf(MSG_DEBUG, "STA did not include "
	77	"WPA/RSN IE in (Re)Association "
	78	"Request - possible WPS use");
	79	sta->flags \|= WLAN_STA_MAYBE_WPS;
	80	goto skip_wpa_check;
	81	}
	82
	83	wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
	84	return -1;
	85	}
	86	if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
	87	os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
	88	sta->flags \|= WLAN_STA_WPS;
	89	goto skip_wpa_check;
	90	}
	91
	92	if (sta->wpa_sm == NULL)
	93	sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
	94	sta->addr);
	95	if (sta->wpa_sm == NULL) {
	96	wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
	97	"machine");
	98	return -1;
	99	}
	100	res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
	101	ie, ielen, NULL, 0);
	102	if (res != WPA_IE_OK) {
355d36a7	103	int resp;
b5b969e9 JM	104	wpa_printf(MSG_DEBUG, "WPA/RSN information element "
	105	"rejected? (res %u)", res);
	106	wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
355d36a7 AT	107	if (res == WPA_INVALID_GROUP)
	108	resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
	109	else if (res == WPA_INVALID_PAIRWISE)
	110	resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
	111	else if (res == WPA_INVALID_AKMP)
	112	resp = WLAN_REASON_AKMP_NOT_VALID;
	113	#ifdef CONFIG_IEEE80211W
	114	else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
	115	resp = WLAN_REASON_INVALID_IE;
	116	else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
	117	resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
	118	#endif /* CONFIG_IEEE80211W */
	119	else
	120	resp = WLAN_REASON_INVALID_IE;
bdee6fce	121	hapd->drv.sta_disassoc(hapd, sta->addr, resp);
355d36a7	122	ap_free_sta(hapd, sta);
b5b969e9 JM	123	return -1;
b5b969e9 JM	124	}
a9aca28b JM	125	} else if (hapd->conf->wps_state) {
	126	if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
	127	os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
	128	sta->flags \|= WLAN_STA_WPS;
	129	} else
	130	sta->flags \|= WLAN_STA_MAYBE_WPS;
b5b969e9 JM	131	}
	132	skip_wpa_check:
	133
	134	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
	135	sta->flags \|= WLAN_STA_AUTH \| WLAN_STA_ASSOC;
	136	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
	137
	138	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
	139
	140	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
	141
	142	return 0;
	143	}
	144
	145
	146	void hostapd_notif_disassoc(struct hostapd_data hapd, const u8 addr)
	147	{
	148	struct sta_info *sta;
	149
	150	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
	151	HOSTAPD_LEVEL_INFO, "disassociated");
	152
	153	sta = ap_get_sta(hapd, addr);
	154	if (sta == NULL) {
	155	wpa_printf(MSG_DEBUG, "Disassociation notification for "
	156	"unknown STA " MACSTR, MAC2STR(addr));
	157	return;
	158	}
	159
	160	sta->flags &= ~(WLAN_STA_AUTH \| WLAN_STA_ASSOC);
	161	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
	162	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
	163	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
	164	ap_free_sta(hapd, sta);
	165	}
	166
	167
	168	void hostapd_eapol_receive(struct hostapd_data hapd, const u8 sa,
	169	const u8 *buf, size_t len)
	170	{
	171	ieee802_1x_receive(hapd, sa, buf, len);
	172	}
	173
	174
f8b1f695 JM	175	struct hostapd_data * hostapd_sta_get_bss(struct hostapd_data *hapd,
	176	const u8 *addr)
	177	{
	178	struct hostapd_iface *iface = hapd->iface;
	179	size_t j;
	180
	181	for (j = 0; j < iface->num_bss; j++) {
	182	hapd = iface->bss[j];
	183	if (ap_get_sta(hapd, addr))
	184	return hapd;
	185	}
	186
	187	return NULL;
	188	}
	189
	190
	191	#ifdef HOSTAPD
	192
fe6bdb77	193	#ifdef NEED_AP_MLME
f8b1f695 JM	194
	195	static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
	196	{
	197	u16 fc, type, stype;
	198
	199	/*
	200	* PS-Poll frames are 16 bytes. All other frames are
	201	* 24 bytes or longer.
	202	*/
	203	if (len < 16)
	204	return NULL;
	205
	206	fc = le_to_host16(hdr->frame_control);
	207	type = WLAN_FC_GET_TYPE(fc);
	208	stype = WLAN_FC_GET_STYPE(fc);
	209
	210	switch (type) {
	211	case WLAN_FC_TYPE_DATA:
	212	if (len < 24)
	213	return NULL;
	214	switch (fc & (WLAN_FC_FROMDS \| WLAN_FC_TODS)) {
fbbfcbac	215	case WLAN_FC_FROMDS \| WLAN_FC_TODS:
f8b1f695 JM	216	case WLAN_FC_TODS:
	217	return hdr->addr1;
	218	case WLAN_FC_FROMDS:
	219	return hdr->addr2;
	220	default:
	221	return NULL;
	222	}
	223	case WLAN_FC_TYPE_CTRL:
	224	if (stype != WLAN_FC_STYPE_PSPOLL)
	225	return NULL;
	226	return hdr->addr1;
	227	case WLAN_FC_TYPE_MGMT:
	228	return hdr->addr3;
	229	default:
	230	return NULL;
	231	}
	232	}
	233
	234
	235	#define HAPD_BROADCAST ((struct hostapd_data *) -1)
	236
	237	static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
	238	const u8 *bssid)
	239	{
	240	size_t i;
	241
	242	if (bssid == NULL)
	243	return NULL;
	244	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
	245	bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
	246	return HAPD_BROADCAST;
	247
	248	for (i = 0; i < iface->num_bss; i++) {
	249	if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
	250	return iface->bss[i];
	251	}
	252
	253	return NULL;
	254	}
	255
	256
	257	static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
	258	const struct ieee80211_hdr *hdr,
	259	size_t len)
	260	{
fbbfcbac	261	u16 fc = le_to_host16(hdr->frame_control);
f8b1f695 JM	262	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	263	if (hapd == NULL \|\| hapd == HAPD_BROADCAST)
	264	return;
	265
fbbfcbac FF	266	ieee802_11_rx_from_unknown(hapd, hdr->addr2,
	267	(fc & (WLAN_FC_TODS \| WLAN_FC_FROMDS)) ==
	268	(WLAN_FC_TODS \| WLAN_FC_FROMDS));
f8b1f695 JM	269	}
	270
	271
b57e086c	272	static void hostapd_mgmt_rx(struct hostapd_data hapd, const u8 buf,
f8b1f695	273	size_t len, struct hostapd_frame_info *fi)
b5b969e9	274	{
4b9841d3	275	struct hostapd_iface *iface = hapd->iface;
b57e086c	276	const struct ieee80211_hdr *hdr;
4b9841d3 JM	277	const u8 *bssid;
4b9841d3 JM	278
b57e086c	279	hdr = (const struct ieee80211_hdr *) buf;
4b9841d3 JM	280	bssid = get_hdr_bssid(hdr, len);
	281	if (bssid == NULL)
	282	return;
	283
	284	hapd = get_hapd_bssid(iface, bssid);
	285	if (hapd == NULL) {
	286	u16 fc;
	287	fc = le_to_host16(hdr->frame_control);
	288
	289	/*
	290	* Drop frames to unknown BSSIDs except for Beacon frames which
	291	* could be used to update neighbor information.
	292	*/
	293	if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
	294	WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
	295	hapd = iface->bss[0];
	296	else
	297	return;
	298	}
	299
	300	if (hapd == HAPD_BROADCAST) {
	301	size_t i;
	302	for (i = 0; i < iface->num_bss; i++)
f8b1f695	303	ieee802_11_mgmt(iface->bss[i], buf, len, fi);
4b9841d3	304	} else
f8b1f695	305	ieee802_11_mgmt(hapd, buf, len, fi);
b5b969e9 JM	306	}
	307
	308
f8b1f695 JM	309	static void hostapd_mgmt_tx_cb(struct hostapd_data hapd, const u8 buf,
f8b1f695 JM	310	size_t len, u16 stype, int ok)
b5b969e9	311	{
4b9841d3 JM	312	struct ieee80211_hdr *hdr;
	313	hdr = (struct ieee80211_hdr *) buf;
	314	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
	315	if (hapd == NULL \|\| hapd == HAPD_BROADCAST)
	316	return;
b5b969e9 JM	317	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
b5b969e9 JM	318	}
f82ef4d8	319
f8b1f695	320	#endif /* NEED_AP_MLME */
ad1e68e6 JM	321
ad1e68e6 JM	322
ad1e68e6 JM	323	void wpa_supplicant_event(void *ctx, wpa_event_type event,
	324	union wpa_event_data *data)
	325	{
	326	struct hostapd_data *hapd = ctx;
	327
	328	switch (event) {
	329	case EVENT_MICHAEL_MIC_FAILURE:
	330	michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
	331	break;
	332	case EVENT_SCAN_RESULTS:
	333	if (hapd->iface->scan_cb)
	334	hapd->iface->scan_cb(hapd->iface);
	335	break;
08fd8c15	336	#ifdef CONFIG_IEEE80211R
f2dab64e	337	case EVENT_FT_RRB_RX:
08fd8c15 JM	338	wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
	339	data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
	340	break;
	341	#endif /* CONFIG_IEEE80211R */
fcf0f87d JM	342	case EVENT_WPS_BUTTON_PUSHED:
	343	hostapd_wps_button_pushed(hapd);
	344	break;
f8b1f695 JM	345	#ifdef NEED_AP_MLME
	346	case EVENT_TX_STATUS:
	347	switch (data->tx_status.type) {
	348	case WLAN_FC_TYPE_MGMT:
	349	hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
	350	data->tx_status.data_len,
	351	data->tx_status.stype,
	352	data->tx_status.ack);
	353	break;
	354	case WLAN_FC_TYPE_DATA:
	355	hostapd_tx_status(hapd, data->tx_status.dst,
	356	data->tx_status.data,
	357	data->tx_status.data_len,
	358	data->tx_status.ack);
	359	break;
	360	}
	361	break;
	362	case EVENT_RX_FROM_UNKNOWN:
	363	hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.hdr,
	364	data->rx_from_unknown.len);
	365	break;
	366	case EVENT_RX_MGMT:
	367	hostapd_mgmt_rx(hapd, data->rx_mgmt.frame,
	368	data->rx_mgmt.frame_len, data->rx_mgmt.fi);
	369	break;
	370	#endif /* NEED_AP_MLME */
ad1e68e6 JM	371	default:
	372	wpa_printf(MSG_DEBUG, "Unknown event %d", event);
	373	break;
	374	}
	375	}
f8b1f695 JM	376
f8b1f695 JM	377	#endif /* HOSTAPD */
3fed6f25 JM	378
	379
	380	void hostapd_probe_req_rx(struct hostapd_data hapd, const u8 sa,
	381	const u8 *ie, size_t ie_len)
	382	{
fa16028d JM	383	size_t i;
	384
	385	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
	386	hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
	387	sa, ie, ie_len);
3fed6f25	388	}