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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 
15 #include "utils/includes.h"
16 
17 #include "utils/common.h"
18 #include "radius/radius.h"
19 #include "drivers/driver.h"
20 #include "common/ieee802_11_defs.h"
21 #include "common/ieee802_11_common.h"
22 #include "common/wpa_ctrl.h"
23 #include "crypto/random.h"
24 #include "p2p/p2p.h"
25 #include "wps/wps.h"
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"
36 #include "ap_drv_ops.h"
37 #include "ap_config.h"
38 
39 
hostapd_notif_assoc(struct hostapd_data * hapd,const u8 * addr,const u8 * ie,size_t ielen,int reassoc)40 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
41 			const u8 *ie, size_t ielen, int reassoc)
42 {
43 	struct sta_info *sta;
44 	int new_assoc, res;
45 	struct ieee802_11_elems elems;
46 #ifdef CONFIG_P2P
47 	const u8 *all_ies = ie;
48 	size_t all_ies_len = ielen;
49 #endif /* CONFIG_P2P */
50 
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 	}
63 	random_add_randomness(addr, ETH_ALEN);
64 
65 	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
66 		       HOSTAPD_LEVEL_INFO, "associated");
67 
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 
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 	}
96 	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
97 
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 
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) {
121 			sta->flags |= WLAN_STA_WPS;
122 			goto skip_wpa_check;
123 		}
124 
125 		if (sta->wpa_sm == NULL)
126 			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
127 							sta->addr);
128 		if (sta->wpa_sm == NULL) {
129 			wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
130 				   "machine");
131 			return -1;
132 		}
133 		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
134 					  ie, ielen, NULL, 0);
135 		if (res != WPA_IE_OK) {
136 			int resp;
137 			wpa_printf(MSG_DEBUG, "WPA/RSN information element "
138 				   "rejected? (res %u)", res);
139 			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
140 			if (res == WPA_INVALID_GROUP)
141 				resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
142 			else if (res == WPA_INVALID_PAIRWISE)
143 				resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
144 			else if (res == WPA_INVALID_AKMP)
145 				resp = WLAN_REASON_AKMP_NOT_VALID;
146 #ifdef CONFIG_IEEE80211W
147 			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
148 				resp = WLAN_REASON_INVALID_IE;
149 			else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
150 				resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
151 #endif /* CONFIG_IEEE80211W */
152 			else
153 				resp = WLAN_REASON_INVALID_IE;
154 			hostapd_drv_sta_disassoc(hapd, sta->addr, resp);
155 			ap_free_sta(hapd, sta);
156 			return -1;
157 		}
158 	} else if (hapd->conf->wps_state) {
159 #ifdef CONFIG_WPS_STRICT
160 		if (ie) {
161 			struct wpabuf *wps;
162 			wps = ieee802_11_vendor_ie_concat(ie, ielen,
163 							  WPS_IE_VENDOR_TYPE);
164 			if (wps && wps_validate_assoc_req(wps) < 0) {
165 				hostapd_drv_sta_disassoc(
166 					hapd, sta->addr,
167 					WLAN_REASON_INVALID_IE);
168 				ap_free_sta(hapd, sta);
169 				wpabuf_free(wps);
170 				return -1;
171 			}
172 			wpabuf_free(wps);
173 		}
174 #endif /* CONFIG_WPS_STRICT */
175 		if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
176 		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
177 			sta->flags |= WLAN_STA_WPS;
178 		} else
179 			sta->flags |= WLAN_STA_MAYBE_WPS;
180 	}
181 skip_wpa_check:
182 
183 	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
184 	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
185 	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
186 
187 	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
188 
189 	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
190 
191 #ifdef CONFIG_P2P
192 	p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
193 			      all_ies, all_ies_len);
194 #endif /* CONFIG_P2P */
195 
196 	return 0;
197 }
198 
199 
hostapd_notif_disassoc(struct hostapd_data * hapd,const u8 * addr)200 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
201 {
202 	struct sta_info *sta;
203 
204 	if (addr == NULL) {
205 		/*
206 		 * This could potentially happen with unexpected event from the
207 		 * driver wrapper. This was seen at least in one case where the
208 		 * driver ended up reporting a station mode event while hostapd
209 		 * was running, so better make sure we stop processing such an
210 		 * event here.
211 		 */
212 		wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
213 			   "with no address");
214 		return;
215 	}
216 
217 	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
218 		       HOSTAPD_LEVEL_INFO, "disassociated");
219 
220 	sta = ap_get_sta(hapd, addr);
221 	if (sta == NULL) {
222 		wpa_printf(MSG_DEBUG, "Disassociation notification for "
223 			   "unknown STA " MACSTR, MAC2STR(addr));
224 		return;
225 	}
226 
227 	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
228 	wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
229 		MAC2STR(sta->addr));
230 #ifdef ANDROID_BRCM_P2P_PATCH
231 	if(hapd->msg_ctx_parent)
232 		wpa_msg(hapd->msg_ctx_parent, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
233 			MAC2STR(sta->addr));
234 #endif /* ANDROID_BRCM_P2P_PATCH */
235 	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
236 	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
237 	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
238 	ap_free_sta(hapd, sta);
239 }
240 
241 
hostapd_event_sta_low_ack(struct hostapd_data * hapd,const u8 * addr)242 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
243 {
244 	struct sta_info *sta = ap_get_sta(hapd, addr);
245 
246 	if (!sta || !hapd->conf->disassoc_low_ack)
247 		return;
248 
249 	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
250 		       HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
251 		       "missing ACKs");
252 	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
253 	if (sta)
254 		ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
255 }
256 
257 
hostapd_probe_req_rx(struct hostapd_data * hapd,const u8 * sa,const u8 * ie,size_t ie_len)258 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
259 			 const u8 *ie, size_t ie_len)
260 {
261 	size_t i;
262 	int ret = 0;
263 
264 	if (sa == NULL || ie == NULL)
265 		return -1;
266 
267 	random_add_randomness(sa, ETH_ALEN);
268 	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
269 		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
270 					    sa, ie, ie_len) > 0) {
271 			ret = 1;
272 			break;
273 		}
274 	}
275 	return ret;
276 }
277 
278 
279 #ifdef HOSTAPD
280 
281 #ifdef NEED_AP_MLME
282 
get_hdr_bssid(const struct ieee80211_hdr * hdr,size_t len)283 static const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len)
284 {
285 	u16 fc, type, stype;
286 
287 	/*
288 	 * PS-Poll frames are 16 bytes. All other frames are
289 	 * 24 bytes or longer.
290 	 */
291 	if (len < 16)
292 		return NULL;
293 
294 	fc = le_to_host16(hdr->frame_control);
295 	type = WLAN_FC_GET_TYPE(fc);
296 	stype = WLAN_FC_GET_STYPE(fc);
297 
298 	switch (type) {
299 	case WLAN_FC_TYPE_DATA:
300 		if (len < 24)
301 			return NULL;
302 		switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
303 		case WLAN_FC_FROMDS | WLAN_FC_TODS:
304 		case WLAN_FC_TODS:
305 			return hdr->addr1;
306 		case WLAN_FC_FROMDS:
307 			return hdr->addr2;
308 		default:
309 			return NULL;
310 		}
311 	case WLAN_FC_TYPE_CTRL:
312 		if (stype != WLAN_FC_STYPE_PSPOLL)
313 			return NULL;
314 		return hdr->addr1;
315 	case WLAN_FC_TYPE_MGMT:
316 		return hdr->addr3;
317 	default:
318 		return NULL;
319 	}
320 }
321 
322 
323 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
324 
get_hapd_bssid(struct hostapd_iface * iface,const u8 * bssid)325 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
326 					    const u8 *bssid)
327 {
328 	size_t i;
329 
330 	if (bssid == NULL)
331 		return NULL;
332 	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
333 	    bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
334 		return HAPD_BROADCAST;
335 
336 	for (i = 0; i < iface->num_bss; i++) {
337 		if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
338 			return iface->bss[i];
339 	}
340 
341 	return NULL;
342 }
343 
344 
hostapd_rx_from_unknown_sta(struct hostapd_data * hapd,const u8 * frame,size_t len)345 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
346 					const u8 *frame, size_t len)
347 {
348 	const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame;
349 	u16 fc = le_to_host16(hdr->frame_control);
350 	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
351 	if (hapd == NULL || hapd == HAPD_BROADCAST)
352 		return;
353 
354 	ieee802_11_rx_from_unknown(hapd, hdr->addr2,
355 				   (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
356 				   (WLAN_FC_TODS | WLAN_FC_FROMDS));
357 }
358 
359 
hostapd_mgmt_rx(struct hostapd_data * hapd,struct rx_mgmt * rx_mgmt)360 static void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
361 {
362 	struct hostapd_iface *iface = hapd->iface;
363 	const struct ieee80211_hdr *hdr;
364 	const u8 *bssid;
365 	struct hostapd_frame_info fi;
366 
367 	hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
368 	bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
369 	if (bssid == NULL)
370 		return;
371 
372 	hapd = get_hapd_bssid(iface, bssid);
373 	if (hapd == NULL) {
374 		u16 fc;
375 		fc = le_to_host16(hdr->frame_control);
376 
377 		/*
378 		 * Drop frames to unknown BSSIDs except for Beacon frames which
379 		 * could be used to update neighbor information.
380 		 */
381 		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
382 		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
383 			hapd = iface->bss[0];
384 		else
385 			return;
386 	}
387 
388 	os_memset(&fi, 0, sizeof(fi));
389 	fi.datarate = rx_mgmt->datarate;
390 	fi.ssi_signal = rx_mgmt->ssi_signal;
391 
392 	if (hapd == HAPD_BROADCAST) {
393 		size_t i;
394 		for (i = 0; i < iface->num_bss; i++)
395 			ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
396 					rx_mgmt->frame_len, &fi);
397 	} else
398 		ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi);
399 
400 	random_add_randomness(&fi, sizeof(fi));
401 }
402 
403 
hostapd_rx_action(struct hostapd_data * hapd,struct rx_action * rx_action)404 static void hostapd_rx_action(struct hostapd_data *hapd,
405 			      struct rx_action *rx_action)
406 {
407 	struct rx_mgmt rx_mgmt;
408 	u8 *buf;
409 	struct ieee80211_hdr *hdr;
410 
411 	wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR
412 		   " BSSID=" MACSTR " category=%u",
413 		   MAC2STR(rx_action->da), MAC2STR(rx_action->sa),
414 		   MAC2STR(rx_action->bssid), rx_action->category);
415 	wpa_hexdump(MSG_MSGDUMP, "Received action frame contents",
416 		    rx_action->data, rx_action->len);
417 
418 	buf = os_zalloc(24 + 1 + rx_action->len);
419 	if (buf == NULL)
420 		return;
421 	hdr = (struct ieee80211_hdr *) buf;
422 	hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
423 					  WLAN_FC_STYPE_ACTION);
424 	if (rx_action->category == WLAN_ACTION_SA_QUERY) {
425 		/*
426 		 * Assume frame was protected; it would have been dropped if
427 		 * not.
428 		 */
429 		hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
430 	}
431 	os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN);
432 	os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN);
433 	os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN);
434 	buf[24] = rx_action->category;
435 	os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len);
436 	os_memset(&rx_mgmt, 0, sizeof(rx_mgmt));
437 	rx_mgmt.frame = buf;
438 	rx_mgmt.frame_len = 24 + 1 + rx_action->len;
439 	hostapd_mgmt_rx(hapd, &rx_mgmt);
440 	os_free(buf);
441 }
442 
443 
hostapd_mgmt_tx_cb(struct hostapd_data * hapd,const u8 * buf,size_t len,u16 stype,int ok)444 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
445 			       size_t len, u16 stype, int ok)
446 {
447 	struct ieee80211_hdr *hdr;
448 	hdr = (struct ieee80211_hdr *) buf;
449 	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
450 	if (hapd == NULL || hapd == HAPD_BROADCAST)
451 		return;
452 	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
453 }
454 
455 #endif /* NEED_AP_MLME */
456 
457 
hostapd_event_new_sta(struct hostapd_data * hapd,const u8 * addr)458 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
459 {
460 	struct sta_info *sta = ap_get_sta(hapd, addr);
461 	if (sta)
462 		return 0;
463 
464 	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
465 		   " - adding a new STA", MAC2STR(addr));
466 	sta = ap_sta_add(hapd, addr);
467 	if (sta) {
468 		hostapd_new_assoc_sta(hapd, sta, 0);
469 	} else {
470 		wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
471 			   MAC2STR(addr));
472 		return -1;
473 	}
474 
475 	return 0;
476 }
477 
478 
hostapd_event_eapol_rx(struct hostapd_data * hapd,const u8 * src,const u8 * data,size_t data_len)479 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
480 				   const u8 *data, size_t data_len)
481 {
482 	struct hostapd_iface *iface = hapd->iface;
483 	size_t j;
484 
485 	for (j = 0; j < iface->num_bss; j++) {
486 		if (ap_get_sta(iface->bss[j], src)) {
487 			hapd = iface->bss[j];
488 			break;
489 		}
490 	}
491 
492 	ieee802_1x_receive(hapd, src, data, data_len);
493 }
494 
495 
wpa_supplicant_event(void * ctx,enum wpa_event_type event,union wpa_event_data * data)496 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
497 			  union wpa_event_data *data)
498 {
499 	struct hostapd_data *hapd = ctx;
500 
501 	switch (event) {
502 	case EVENT_MICHAEL_MIC_FAILURE:
503 		michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
504 		break;
505 	case EVENT_SCAN_RESULTS:
506 		if (hapd->iface->scan_cb)
507 			hapd->iface->scan_cb(hapd->iface);
508 		break;
509 #ifdef CONFIG_IEEE80211R
510 	case EVENT_FT_RRB_RX:
511 		wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src,
512 			      data->ft_rrb_rx.data, data->ft_rrb_rx.data_len);
513 		break;
514 #endif /* CONFIG_IEEE80211R */
515 	case EVENT_WPS_BUTTON_PUSHED:
516 		hostapd_wps_button_pushed(hapd, NULL);
517 		break;
518 #ifdef NEED_AP_MLME
519 	case EVENT_TX_STATUS:
520 		switch (data->tx_status.type) {
521 		case WLAN_FC_TYPE_MGMT:
522 			hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
523 					   data->tx_status.data_len,
524 					   data->tx_status.stype,
525 					   data->tx_status.ack);
526 			break;
527 		case WLAN_FC_TYPE_DATA:
528 			hostapd_tx_status(hapd, data->tx_status.dst,
529 					  data->tx_status.data,
530 					  data->tx_status.data_len,
531 					  data->tx_status.ack);
532 			break;
533 		}
534 		break;
535 	case EVENT_RX_FROM_UNKNOWN:
536 		hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame,
537 					    data->rx_from_unknown.len);
538 		break;
539 	case EVENT_RX_MGMT:
540 		hostapd_mgmt_rx(hapd, &data->rx_mgmt);
541 		break;
542 #endif /* NEED_AP_MLME */
543 	case EVENT_RX_PROBE_REQ:
544 		if (data->rx_probe_req.sa == NULL ||
545 		    data->rx_probe_req.ie == NULL)
546 			break;
547 		hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
548 				     data->rx_probe_req.ie,
549 				     data->rx_probe_req.ie_len);
550 		break;
551 	case EVENT_NEW_STA:
552 		hostapd_event_new_sta(hapd, data->new_sta.addr);
553 		break;
554 	case EVENT_EAPOL_RX:
555 		hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
556 				       data->eapol_rx.data,
557 				       data->eapol_rx.data_len);
558 		break;
559 	case EVENT_ASSOC:
560 		hostapd_notif_assoc(hapd, data->assoc_info.addr,
561 				    data->assoc_info.req_ies,
562 				    data->assoc_info.req_ies_len,
563 				    data->assoc_info.reassoc);
564 		break;
565 	case EVENT_DISASSOC:
566 		if (data)
567 			hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
568 		break;
569 	case EVENT_DEAUTH:
570 		if (data)
571 			hostapd_notif_disassoc(hapd, data->deauth_info.addr);
572 		break;
573 	case EVENT_STATION_LOW_ACK:
574 		if (!data)
575 			break;
576 		hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
577 		break;
578 #ifdef NEED_AP_MLME
579 	case EVENT_RX_ACTION:
580 		if (data->rx_action.da == NULL || data->rx_action.sa == NULL ||
581 		    data->rx_action.bssid == NULL)
582 			break;
583 		hostapd_rx_action(hapd, &data->rx_action);
584 		break;
585 #endif /* NEED_AP_MLME */
586 	default:
587 		wpa_printf(MSG_DEBUG, "Unknown event %d", event);
588 		break;
589 	}
590 }
591 
592 #endif /* HOSTAPD */
593