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1 /*
2  * hostapd / Station table
3  * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "utils/includes.h"
10 
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "common/ieee802_11_defs.h"
14 #include "common/wpa_ctrl.h"
15 #include "common/sae.h"
16 #include "radius/radius.h"
17 #include "radius/radius_client.h"
18 #include "p2p/p2p.h"
19 #include "hostapd.h"
20 #include "accounting.h"
21 #include "ieee802_1x.h"
22 #include "ieee802_11.h"
23 #include "ieee802_11_auth.h"
24 #include "wpa_auth.h"
25 #include "preauth_auth.h"
26 #include "ap_config.h"
27 #include "beacon.h"
28 #include "ap_mlme.h"
29 #include "vlan_init.h"
30 #include "p2p_hostapd.h"
31 #include "ap_drv_ops.h"
32 #include "gas_serv.h"
33 #include "wnm_ap.h"
34 #include "sta_info.h"
35 
36 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
37 				       struct sta_info *sta);
38 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
39 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx);
40 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx);
41 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx);
42 #ifdef CONFIG_IEEE80211W
43 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
44 #endif /* CONFIG_IEEE80211W */
45 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta);
46 
ap_for_each_sta(struct hostapd_data * hapd,int (* cb)(struct hostapd_data * hapd,struct sta_info * sta,void * ctx),void * ctx)47 int ap_for_each_sta(struct hostapd_data *hapd,
48 		    int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
49 			      void *ctx),
50 		    void *ctx)
51 {
52 	struct sta_info *sta;
53 
54 	for (sta = hapd->sta_list; sta; sta = sta->next) {
55 		if (cb(hapd, sta, ctx))
56 			return 1;
57 	}
58 
59 	return 0;
60 }
61 
62 
ap_get_sta(struct hostapd_data * hapd,const u8 * sta)63 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
64 {
65 	struct sta_info *s;
66 
67 	s = hapd->sta_hash[STA_HASH(sta)];
68 	while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
69 		s = s->hnext;
70 	return s;
71 }
72 
73 
74 #ifdef CONFIG_P2P
ap_get_sta_p2p(struct hostapd_data * hapd,const u8 * addr)75 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr)
76 {
77 	struct sta_info *sta;
78 
79 	for (sta = hapd->sta_list; sta; sta = sta->next) {
80 		const u8 *p2p_dev_addr;
81 
82 		if (sta->p2p_ie == NULL)
83 			continue;
84 
85 		p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
86 		if (p2p_dev_addr == NULL)
87 			continue;
88 
89 		if (os_memcmp(p2p_dev_addr, addr, ETH_ALEN) == 0)
90 			return sta;
91 	}
92 
93 	return NULL;
94 }
95 #endif /* CONFIG_P2P */
96 
97 
ap_sta_list_del(struct hostapd_data * hapd,struct sta_info * sta)98 static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
99 {
100 	struct sta_info *tmp;
101 
102 	if (hapd->sta_list == sta) {
103 		hapd->sta_list = sta->next;
104 		return;
105 	}
106 
107 	tmp = hapd->sta_list;
108 	while (tmp != NULL && tmp->next != sta)
109 		tmp = tmp->next;
110 	if (tmp == NULL) {
111 		wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
112 			   "list.", MAC2STR(sta->addr));
113 	} else
114 		tmp->next = sta->next;
115 }
116 
117 
ap_sta_hash_add(struct hostapd_data * hapd,struct sta_info * sta)118 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
119 {
120 	sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
121 	hapd->sta_hash[STA_HASH(sta->addr)] = sta;
122 }
123 
124 
ap_sta_hash_del(struct hostapd_data * hapd,struct sta_info * sta)125 static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
126 {
127 	struct sta_info *s;
128 
129 	s = hapd->sta_hash[STA_HASH(sta->addr)];
130 	if (s == NULL) return;
131 	if (os_memcmp(s->addr, sta->addr, 6) == 0) {
132 		hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
133 		return;
134 	}
135 
136 	while (s->hnext != NULL &&
137 	       os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
138 		s = s->hnext;
139 	if (s->hnext != NULL)
140 		s->hnext = s->hnext->hnext;
141 	else
142 		wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
143 			   " from hash table", MAC2STR(sta->addr));
144 }
145 
146 
ap_free_sta(struct hostapd_data * hapd,struct sta_info * sta)147 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
148 {
149 	int set_beacon = 0;
150 
151 	accounting_sta_stop(hapd, sta);
152 
153 	/* just in case */
154 	ap_sta_set_authorized(hapd, sta, 0);
155 
156 	if (sta->flags & WLAN_STA_WDS)
157 		hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);
158 
159 	if (!hapd->iface->driver_ap_teardown &&
160 	    !(sta->flags & WLAN_STA_PREAUTH))
161 		hostapd_drv_sta_remove(hapd, sta->addr);
162 
163 	ap_sta_hash_del(hapd, sta);
164 	ap_sta_list_del(hapd, sta);
165 
166 	if (sta->aid > 0)
167 		hapd->sta_aid[(sta->aid - 1) / 32] &=
168 			~BIT((sta->aid - 1) % 32);
169 
170 	hapd->num_sta--;
171 	if (sta->nonerp_set) {
172 		sta->nonerp_set = 0;
173 		hapd->iface->num_sta_non_erp--;
174 		if (hapd->iface->num_sta_non_erp == 0)
175 			set_beacon++;
176 	}
177 
178 	if (sta->no_short_slot_time_set) {
179 		sta->no_short_slot_time_set = 0;
180 		hapd->iface->num_sta_no_short_slot_time--;
181 		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
182 		    && hapd->iface->num_sta_no_short_slot_time == 0)
183 			set_beacon++;
184 	}
185 
186 	if (sta->no_short_preamble_set) {
187 		sta->no_short_preamble_set = 0;
188 		hapd->iface->num_sta_no_short_preamble--;
189 		if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
190 		    && hapd->iface->num_sta_no_short_preamble == 0)
191 			set_beacon++;
192 	}
193 
194 	if (sta->no_ht_gf_set) {
195 		sta->no_ht_gf_set = 0;
196 		hapd->iface->num_sta_ht_no_gf--;
197 	}
198 
199 	if (sta->no_ht_set) {
200 		sta->no_ht_set = 0;
201 		hapd->iface->num_sta_no_ht--;
202 	}
203 
204 	if (sta->ht_20mhz_set) {
205 		sta->ht_20mhz_set = 0;
206 		hapd->iface->num_sta_ht_20mhz--;
207 	}
208 
209 #ifdef CONFIG_IEEE80211N
210 	ht40_intolerant_remove(hapd->iface, sta);
211 #endif /* CONFIG_IEEE80211N */
212 
213 #ifdef CONFIG_P2P
214 	if (sta->no_p2p_set) {
215 		sta->no_p2p_set = 0;
216 		hapd->num_sta_no_p2p--;
217 		if (hapd->num_sta_no_p2p == 0)
218 			hostapd_p2p_non_p2p_sta_disconnected(hapd);
219 	}
220 #endif /* CONFIG_P2P */
221 
222 #if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
223 	if (hostapd_ht_operation_update(hapd->iface) > 0)
224 		set_beacon++;
225 #endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
226 
227 	if (set_beacon)
228 		ieee802_11_set_beacons(hapd->iface);
229 
230 	wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
231 		   __func__, MAC2STR(sta->addr));
232 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
233 	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
234 	eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
235 	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
236 	eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
237 
238 	ieee802_1x_free_station(sta);
239 	wpa_auth_sta_deinit(sta->wpa_sm);
240 	rsn_preauth_free_station(hapd, sta);
241 #ifndef CONFIG_NO_RADIUS
242 	if (hapd->radius)
243 		radius_client_flush_auth(hapd->radius, sta->addr);
244 #endif /* CONFIG_NO_RADIUS */
245 
246 	os_free(sta->challenge);
247 
248 #ifdef CONFIG_IEEE80211W
249 	os_free(sta->sa_query_trans_id);
250 	eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
251 #endif /* CONFIG_IEEE80211W */
252 
253 #ifdef CONFIG_P2P
254 	p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
255 #endif /* CONFIG_P2P */
256 
257 #ifdef CONFIG_INTERWORKING
258 	if (sta->gas_dialog) {
259 		int i;
260 		for (i = 0; i < GAS_DIALOG_MAX; i++)
261 			gas_serv_dialog_clear(&sta->gas_dialog[i]);
262 		os_free(sta->gas_dialog);
263 	}
264 #endif /* CONFIG_INTERWORKING */
265 
266 	wpabuf_free(sta->wps_ie);
267 	wpabuf_free(sta->p2p_ie);
268 	wpabuf_free(sta->hs20_ie);
269 
270 	os_free(sta->ht_capabilities);
271 	os_free(sta->vht_capabilities);
272 	hostapd_free_psk_list(sta->psk);
273 	os_free(sta->identity);
274 	os_free(sta->radius_cui);
275 	os_free(sta->remediation_url);
276 	wpabuf_free(sta->hs20_deauth_req);
277 	os_free(sta->hs20_session_info_url);
278 
279 #ifdef CONFIG_SAE
280 	sae_clear_data(sta->sae);
281 	os_free(sta->sae);
282 #endif /* CONFIG_SAE */
283 
284 	os_free(sta);
285 }
286 
287 
hostapd_free_stas(struct hostapd_data * hapd)288 void hostapd_free_stas(struct hostapd_data *hapd)
289 {
290 	struct sta_info *sta, *prev;
291 
292 	sta = hapd->sta_list;
293 
294 	while (sta) {
295 		prev = sta;
296 		if (sta->flags & WLAN_STA_AUTH) {
297 			mlme_deauthenticate_indication(
298 				hapd, sta, WLAN_REASON_UNSPECIFIED);
299 		}
300 		sta = sta->next;
301 		wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
302 			   MAC2STR(prev->addr));
303 		ap_free_sta(hapd, prev);
304 	}
305 }
306 
307 
308 /**
309  * ap_handle_timer - Per STA timer handler
310  * @eloop_ctx: struct hostapd_data *
311  * @timeout_ctx: struct sta_info *
312  *
313  * This function is called to check station activity and to remove inactive
314  * stations.
315  */
ap_handle_timer(void * eloop_ctx,void * timeout_ctx)316 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
317 {
318 	struct hostapd_data *hapd = eloop_ctx;
319 	struct sta_info *sta = timeout_ctx;
320 	unsigned long next_time = 0;
321 	int reason;
322 
323 	wpa_printf(MSG_DEBUG, "%s: " MACSTR " flags=0x%x timeout_next=%d",
324 		   __func__, MAC2STR(sta->addr), sta->flags,
325 		   sta->timeout_next);
326 	if (sta->timeout_next == STA_REMOVE) {
327 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
328 			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
329 			       "local deauth request");
330 		ap_free_sta(hapd, sta);
331 		return;
332 	}
333 
334 	if ((sta->flags & WLAN_STA_ASSOC) &&
335 	    (sta->timeout_next == STA_NULLFUNC ||
336 	     sta->timeout_next == STA_DISASSOC)) {
337 		int inactive_sec;
338 		/*
339 		 * Add random value to timeout so that we don't end up bouncing
340 		 * all stations at the same time if we have lots of associated
341 		 * stations that are idle (but keep re-associating).
342 		 */
343 		int fuzz = os_random() % 20;
344 		inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
345 		if (inactive_sec == -1) {
346 			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
347 				"Check inactivity: Could not "
348 				"get station info from kernel driver for "
349 				MACSTR, MAC2STR(sta->addr));
350 			/*
351 			 * The driver may not support this functionality.
352 			 * Anyway, try again after the next inactivity timeout,
353 			 * but do not disconnect the station now.
354 			 */
355 			next_time = hapd->conf->ap_max_inactivity + fuzz;
356 		} else if (inactive_sec < hapd->conf->ap_max_inactivity &&
357 			   sta->flags & WLAN_STA_ASSOC) {
358 			/* station activity detected; reset timeout state */
359 			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
360 				"Station " MACSTR " has been active %is ago",
361 				MAC2STR(sta->addr), inactive_sec);
362 			sta->timeout_next = STA_NULLFUNC;
363 			next_time = hapd->conf->ap_max_inactivity + fuzz -
364 				inactive_sec;
365 		} else {
366 			wpa_msg(hapd->msg_ctx, MSG_DEBUG,
367 				"Station " MACSTR " has been "
368 				"inactive too long: %d sec, max allowed: %d",
369 				MAC2STR(sta->addr), inactive_sec,
370 				hapd->conf->ap_max_inactivity);
371 
372 			if (hapd->conf->skip_inactivity_poll)
373 				sta->timeout_next = STA_DISASSOC;
374 		}
375 	}
376 
377 	if ((sta->flags & WLAN_STA_ASSOC) &&
378 	    sta->timeout_next == STA_DISASSOC &&
379 	    !(sta->flags & WLAN_STA_PENDING_POLL) &&
380 	    !hapd->conf->skip_inactivity_poll) {
381 		wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
382 			" has ACKed data poll", MAC2STR(sta->addr));
383 		/* data nullfunc frame poll did not produce TX errors; assume
384 		 * station ACKed it */
385 		sta->timeout_next = STA_NULLFUNC;
386 		next_time = hapd->conf->ap_max_inactivity;
387 	}
388 
389 	if (next_time) {
390 		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
391 			   "for " MACSTR " (%lu seconds)",
392 			   __func__, MAC2STR(sta->addr), next_time);
393 		eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
394 				       sta);
395 		return;
396 	}
397 
398 	if (sta->timeout_next == STA_NULLFUNC &&
399 	    (sta->flags & WLAN_STA_ASSOC)) {
400 		wpa_printf(MSG_DEBUG, "  Polling STA");
401 		sta->flags |= WLAN_STA_PENDING_POLL;
402 		hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
403 					sta->flags & WLAN_STA_WMM);
404 	} else if (sta->timeout_next != STA_REMOVE) {
405 		int deauth = sta->timeout_next == STA_DEAUTH;
406 
407 		wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
408 			"Timeout, sending %s info to STA " MACSTR,
409 			deauth ? "deauthentication" : "disassociation",
410 			MAC2STR(sta->addr));
411 
412 		if (deauth) {
413 			hostapd_drv_sta_deauth(
414 				hapd, sta->addr,
415 				WLAN_REASON_PREV_AUTH_NOT_VALID);
416 		} else {
417 			reason = (sta->timeout_next == STA_DISASSOC) ?
418 				WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
419 				WLAN_REASON_PREV_AUTH_NOT_VALID;
420 
421 			hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
422 		}
423 	}
424 
425 	switch (sta->timeout_next) {
426 	case STA_NULLFUNC:
427 		sta->timeout_next = STA_DISASSOC;
428 		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
429 			   "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
430 			   __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
431 		eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
432 				       hapd, sta);
433 		break;
434 	case STA_DISASSOC:
435 	case STA_DISASSOC_FROM_CLI:
436 		ap_sta_set_authorized(hapd, sta, 0);
437 		sta->flags &= ~WLAN_STA_ASSOC;
438 		ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
439 		if (!sta->acct_terminate_cause)
440 			sta->acct_terminate_cause =
441 				RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
442 		accounting_sta_stop(hapd, sta);
443 		ieee802_1x_free_station(sta);
444 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
445 			       HOSTAPD_LEVEL_INFO, "disassociated due to "
446 			       "inactivity");
447 		reason = (sta->timeout_next == STA_DISASSOC) ?
448 			WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
449 			WLAN_REASON_PREV_AUTH_NOT_VALID;
450 		sta->timeout_next = STA_DEAUTH;
451 		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
452 			   "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
453 			   __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
454 		eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
455 				       hapd, sta);
456 		mlme_disassociate_indication(hapd, sta, reason);
457 		break;
458 	case STA_DEAUTH:
459 	case STA_REMOVE:
460 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
461 			       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
462 			       "inactivity (timer DEAUTH/REMOVE)");
463 		if (!sta->acct_terminate_cause)
464 			sta->acct_terminate_cause =
465 				RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
466 		mlme_deauthenticate_indication(
467 			hapd, sta,
468 			WLAN_REASON_PREV_AUTH_NOT_VALID);
469 		ap_free_sta(hapd, sta);
470 		break;
471 	}
472 }
473 
474 
ap_handle_session_timer(void * eloop_ctx,void * timeout_ctx)475 static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
476 {
477 	struct hostapd_data *hapd = eloop_ctx;
478 	struct sta_info *sta = timeout_ctx;
479 
480 	if (!(sta->flags & WLAN_STA_AUTH)) {
481 		if (sta->flags & WLAN_STA_GAS) {
482 			wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
483 				   "entry " MACSTR, MAC2STR(sta->addr));
484 			ap_free_sta(hapd, sta);
485 		}
486 		return;
487 	}
488 
489 	hostapd_drv_sta_deauth(hapd, sta->addr,
490 			       WLAN_REASON_PREV_AUTH_NOT_VALID);
491 	mlme_deauthenticate_indication(hapd, sta,
492 				       WLAN_REASON_PREV_AUTH_NOT_VALID);
493 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
494 		       HOSTAPD_LEVEL_INFO, "deauthenticated due to "
495 		       "session timeout");
496 	sta->acct_terminate_cause =
497 		RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
498 	ap_free_sta(hapd, sta);
499 }
500 
501 
ap_sta_replenish_timeout(struct hostapd_data * hapd,struct sta_info * sta,u32 session_timeout)502 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
503 			      u32 session_timeout)
504 {
505 	if (eloop_replenish_timeout(session_timeout, 0,
506 				    ap_handle_session_timer, hapd, sta) == 1) {
507 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
508 			       HOSTAPD_LEVEL_DEBUG, "setting session timeout "
509 			       "to %d seconds", session_timeout);
510 	}
511 }
512 
513 
ap_sta_session_timeout(struct hostapd_data * hapd,struct sta_info * sta,u32 session_timeout)514 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
515 			    u32 session_timeout)
516 {
517 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
518 		       HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
519 		       "seconds", session_timeout);
520 	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
521 	eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
522 			       hapd, sta);
523 }
524 
525 
ap_sta_no_session_timeout(struct hostapd_data * hapd,struct sta_info * sta)526 void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
527 {
528 	eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
529 }
530 
531 
ap_handle_session_warning_timer(void * eloop_ctx,void * timeout_ctx)532 static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
533 {
534 #ifdef CONFIG_WNM
535 	struct hostapd_data *hapd = eloop_ctx;
536 	struct sta_info *sta = timeout_ctx;
537 
538 	wpa_printf(MSG_DEBUG, "WNM: Session warning time reached for " MACSTR,
539 		   MAC2STR(sta->addr));
540 	if (sta->hs20_session_info_url == NULL)
541 		return;
542 
543 	wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
544 				       sta->hs20_disassoc_timer);
545 #endif /* CONFIG_WNM */
546 }
547 
548 
ap_sta_session_warning_timeout(struct hostapd_data * hapd,struct sta_info * sta,int warning_time)549 void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
550 				    struct sta_info *sta, int warning_time)
551 {
552 	eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
553 	eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
554 			       hapd, sta);
555 }
556 
557 
ap_sta_add(struct hostapd_data * hapd,const u8 * addr)558 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
559 {
560 	struct sta_info *sta;
561 
562 	sta = ap_get_sta(hapd, addr);
563 	if (sta)
564 		return sta;
565 
566 	wpa_printf(MSG_DEBUG, "  New STA");
567 	if (hapd->num_sta >= hapd->conf->max_num_sta) {
568 		/* FIX: might try to remove some old STAs first? */
569 		wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
570 			   hapd->num_sta, hapd->conf->max_num_sta);
571 		return NULL;
572 	}
573 
574 	sta = os_zalloc(sizeof(struct sta_info));
575 	if (sta == NULL) {
576 		wpa_printf(MSG_ERROR, "malloc failed");
577 		return NULL;
578 	}
579 	sta->acct_interim_interval = hapd->conf->acct_interim_interval;
580 	accounting_sta_get_id(hapd, sta);
581 
582 	if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
583 		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
584 			   "for " MACSTR " (%d seconds - ap_max_inactivity)",
585 			   __func__, MAC2STR(addr),
586 			   hapd->conf->ap_max_inactivity);
587 		eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
588 				       ap_handle_timer, hapd, sta);
589 	}
590 
591 	/* initialize STA info data */
592 	os_memcpy(sta->addr, addr, ETH_ALEN);
593 	sta->next = hapd->sta_list;
594 	hapd->sta_list = sta;
595 	hapd->num_sta++;
596 	ap_sta_hash_add(hapd, sta);
597 	sta->ssid = &hapd->conf->ssid;
598 	ap_sta_remove_in_other_bss(hapd, sta);
599 
600 	return sta;
601 }
602 
603 
ap_sta_remove(struct hostapd_data * hapd,struct sta_info * sta)604 static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
605 {
606 	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
607 
608 	wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
609 		   MAC2STR(sta->addr));
610 	if (hostapd_drv_sta_remove(hapd, sta->addr) &&
611 	    sta->flags & WLAN_STA_ASSOC) {
612 		wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
613 			   " from kernel driver.", MAC2STR(sta->addr));
614 		return -1;
615 	}
616 	return 0;
617 }
618 
619 
ap_sta_remove_in_other_bss(struct hostapd_data * hapd,struct sta_info * sta)620 static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
621 				       struct sta_info *sta)
622 {
623 	struct hostapd_iface *iface = hapd->iface;
624 	size_t i;
625 
626 	for (i = 0; i < iface->num_bss; i++) {
627 		struct hostapd_data *bss = iface->bss[i];
628 		struct sta_info *sta2;
629 		/* bss should always be set during operation, but it may be
630 		 * NULL during reconfiguration. Assume the STA is not
631 		 * associated to another BSS in that case to avoid NULL pointer
632 		 * dereferences. */
633 		if (bss == hapd || bss == NULL)
634 			continue;
635 		sta2 = ap_get_sta(bss, sta->addr);
636 		if (!sta2)
637 			continue;
638 
639 		ap_sta_disconnect(bss, sta2, sta2->addr,
640 				  WLAN_REASON_PREV_AUTH_NOT_VALID);
641 	}
642 }
643 
644 
ap_sta_disassoc_cb_timeout(void * eloop_ctx,void * timeout_ctx)645 static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
646 {
647 	struct hostapd_data *hapd = eloop_ctx;
648 	struct sta_info *sta = timeout_ctx;
649 
650 	ap_sta_remove(hapd, sta);
651 	mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
652 }
653 
654 
ap_sta_disassociate(struct hostapd_data * hapd,struct sta_info * sta,u16 reason)655 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
656 			 u16 reason)
657 {
658 	wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
659 		   hapd->conf->iface, MAC2STR(sta->addr));
660 	sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
661 	ap_sta_set_authorized(hapd, sta, 0);
662 	sta->timeout_next = STA_DEAUTH;
663 	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
664 		   "for " MACSTR " (%d seconds - "
665 		   "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
666 		   __func__, MAC2STR(sta->addr),
667 		   AP_MAX_INACTIVITY_AFTER_DISASSOC);
668 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
669 	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
670 			       ap_handle_timer, hapd, sta);
671 	accounting_sta_stop(hapd, sta);
672 	ieee802_1x_free_station(sta);
673 
674 	sta->disassoc_reason = reason;
675 	sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
676 	eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
677 	eloop_register_timeout(hapd->iface->drv_flags &
678 			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
679 			       ap_sta_disassoc_cb_timeout, hapd, sta);
680 }
681 
682 
ap_sta_deauth_cb_timeout(void * eloop_ctx,void * timeout_ctx)683 static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
684 {
685 	struct hostapd_data *hapd = eloop_ctx;
686 	struct sta_info *sta = timeout_ctx;
687 
688 	ap_sta_remove(hapd, sta);
689 	mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
690 }
691 
692 
ap_sta_deauthenticate(struct hostapd_data * hapd,struct sta_info * sta,u16 reason)693 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
694 			   u16 reason)
695 {
696 	wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
697 		   hapd->conf->iface, MAC2STR(sta->addr));
698 	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
699 	ap_sta_set_authorized(hapd, sta, 0);
700 	sta->timeout_next = STA_REMOVE;
701 	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
702 		   "for " MACSTR " (%d seconds - "
703 		   "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
704 		   __func__, MAC2STR(sta->addr),
705 		   AP_MAX_INACTIVITY_AFTER_DEAUTH);
706 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
707 	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
708 			       ap_handle_timer, hapd, sta);
709 	accounting_sta_stop(hapd, sta);
710 	ieee802_1x_free_station(sta);
711 
712 	sta->deauth_reason = reason;
713 	sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
714 	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
715 	eloop_register_timeout(hapd->iface->drv_flags &
716 			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
717 			       ap_sta_deauth_cb_timeout, hapd, sta);
718 }
719 
720 
721 #ifdef CONFIG_WPS
ap_sta_wps_cancel(struct hostapd_data * hapd,struct sta_info * sta,void * ctx)722 int ap_sta_wps_cancel(struct hostapd_data *hapd,
723 		      struct sta_info *sta, void *ctx)
724 {
725 	if (sta && (sta->flags & WLAN_STA_WPS)) {
726 		ap_sta_deauthenticate(hapd, sta,
727 				      WLAN_REASON_PREV_AUTH_NOT_VALID);
728 		wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
729 			   __func__, MAC2STR(sta->addr));
730 		return 1;
731 	}
732 
733 	return 0;
734 }
735 #endif /* CONFIG_WPS */
736 
737 
ap_sta_bind_vlan(struct hostapd_data * hapd,struct sta_info * sta,int old_vlanid)738 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
739 		     int old_vlanid)
740 {
741 #ifndef CONFIG_NO_VLAN
742 	const char *iface;
743 	struct hostapd_vlan *vlan = NULL;
744 	int ret;
745 
746 	/*
747 	 * Do not proceed furthur if the vlan id remains same. We do not want
748 	 * duplicate dynamic vlan entries.
749 	 */
750 	if (sta->vlan_id == old_vlanid)
751 		return 0;
752 
753 	/*
754 	 * During 1x reauth, if the vlan id changes, then remove the old id and
755 	 * proceed furthur to add the new one.
756 	 */
757 	if (old_vlanid > 0)
758 		vlan_remove_dynamic(hapd, old_vlanid);
759 
760 	iface = hapd->conf->iface;
761 	if (sta->ssid->vlan[0])
762 		iface = sta->ssid->vlan;
763 
764 	if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
765 		sta->vlan_id = 0;
766 	else if (sta->vlan_id > 0) {
767 		struct hostapd_vlan *wildcard_vlan = NULL;
768 		vlan = hapd->conf->vlan;
769 		while (vlan) {
770 			if (vlan->vlan_id == sta->vlan_id)
771 				break;
772 			if (vlan->vlan_id == VLAN_ID_WILDCARD)
773 				wildcard_vlan = vlan;
774 			vlan = vlan->next;
775 		}
776 		if (!vlan)
777 			vlan = wildcard_vlan;
778 		if (vlan)
779 			iface = vlan->ifname;
780 	}
781 
782 	if (sta->vlan_id > 0 && vlan == NULL) {
783 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
784 			       HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
785 			       "binding station to (vlan_id=%d)",
786 			       sta->vlan_id);
787 		return -1;
788 	} else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
789 		vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
790 		if (vlan == NULL) {
791 			hostapd_logger(hapd, sta->addr,
792 				       HOSTAPD_MODULE_IEEE80211,
793 				       HOSTAPD_LEVEL_DEBUG, "could not add "
794 				       "dynamic VLAN interface for vlan_id=%d",
795 				       sta->vlan_id);
796 			return -1;
797 		}
798 
799 		iface = vlan->ifname;
800 		if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
801 			hostapd_logger(hapd, sta->addr,
802 				       HOSTAPD_MODULE_IEEE80211,
803 				       HOSTAPD_LEVEL_DEBUG, "could not "
804 				       "configure encryption for dynamic VLAN "
805 				       "interface for vlan_id=%d",
806 				       sta->vlan_id);
807 		}
808 
809 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
810 			       HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
811 			       "interface '%s'", iface);
812 	} else if (vlan && vlan->vlan_id == sta->vlan_id) {
813 		if (sta->vlan_id > 0) {
814 			vlan->dynamic_vlan++;
815 			hostapd_logger(hapd, sta->addr,
816 				       HOSTAPD_MODULE_IEEE80211,
817 				       HOSTAPD_LEVEL_DEBUG, "updated existing "
818 				       "dynamic VLAN interface '%s'", iface);
819 		}
820 
821 		/*
822 		 * Update encryption configuration for statically generated
823 		 * VLAN interface. This is only used for static WEP
824 		 * configuration for the case where hostapd did not yet know
825 		 * which keys are to be used when the interface was added.
826 		 */
827 		if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
828 			hostapd_logger(hapd, sta->addr,
829 				       HOSTAPD_MODULE_IEEE80211,
830 				       HOSTAPD_LEVEL_DEBUG, "could not "
831 				       "configure encryption for VLAN "
832 				       "interface for vlan_id=%d",
833 				       sta->vlan_id);
834 		}
835 	}
836 
837 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
838 		       HOSTAPD_LEVEL_DEBUG, "binding station to interface "
839 		       "'%s'", iface);
840 
841 	if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
842 		wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
843 
844 	ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
845 	if (ret < 0) {
846 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
847 			       HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
848 			       "entry to vlan_id=%d", sta->vlan_id);
849 	}
850 	return ret;
851 #else /* CONFIG_NO_VLAN */
852 	return 0;
853 #endif /* CONFIG_NO_VLAN */
854 }
855 
856 
857 #ifdef CONFIG_IEEE80211W
858 
ap_check_sa_query_timeout(struct hostapd_data * hapd,struct sta_info * sta)859 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
860 {
861 	u32 tu;
862 	struct os_reltime now, passed;
863 	os_get_reltime(&now);
864 	os_reltime_sub(&now, &sta->sa_query_start, &passed);
865 	tu = (passed.sec * 1000000 + passed.usec) / 1024;
866 	if (hapd->conf->assoc_sa_query_max_timeout < tu) {
867 		hostapd_logger(hapd, sta->addr,
868 			       HOSTAPD_MODULE_IEEE80211,
869 			       HOSTAPD_LEVEL_DEBUG,
870 			       "association SA Query timed out");
871 		sta->sa_query_timed_out = 1;
872 		os_free(sta->sa_query_trans_id);
873 		sta->sa_query_trans_id = NULL;
874 		sta->sa_query_count = 0;
875 		eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
876 		return 1;
877 	}
878 
879 	return 0;
880 }
881 
882 
ap_sa_query_timer(void * eloop_ctx,void * timeout_ctx)883 static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
884 {
885 	struct hostapd_data *hapd = eloop_ctx;
886 	struct sta_info *sta = timeout_ctx;
887 	unsigned int timeout, sec, usec;
888 	u8 *trans_id, *nbuf;
889 
890 	if (sta->sa_query_count > 0 &&
891 	    ap_check_sa_query_timeout(hapd, sta))
892 		return;
893 
894 	nbuf = os_realloc_array(sta->sa_query_trans_id,
895 				sta->sa_query_count + 1,
896 				WLAN_SA_QUERY_TR_ID_LEN);
897 	if (nbuf == NULL)
898 		return;
899 	if (sta->sa_query_count == 0) {
900 		/* Starting a new SA Query procedure */
901 		os_get_reltime(&sta->sa_query_start);
902 	}
903 	trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
904 	sta->sa_query_trans_id = nbuf;
905 	sta->sa_query_count++;
906 
907 	os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
908 
909 	timeout = hapd->conf->assoc_sa_query_retry_timeout;
910 	sec = ((timeout / 1000) * 1024) / 1000;
911 	usec = (timeout % 1000) * 1024;
912 	eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
913 
914 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
915 		       HOSTAPD_LEVEL_DEBUG,
916 		       "association SA Query attempt %d", sta->sa_query_count);
917 
918 	ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
919 }
920 
921 
ap_sta_start_sa_query(struct hostapd_data * hapd,struct sta_info * sta)922 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
923 {
924 	ap_sa_query_timer(hapd, sta);
925 }
926 
927 
ap_sta_stop_sa_query(struct hostapd_data * hapd,struct sta_info * sta)928 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
929 {
930 	eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
931 	os_free(sta->sa_query_trans_id);
932 	sta->sa_query_trans_id = NULL;
933 	sta->sa_query_count = 0;
934 }
935 
936 #endif /* CONFIG_IEEE80211W */
937 
938 
ap_sta_set_authorized(struct hostapd_data * hapd,struct sta_info * sta,int authorized)939 void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
940 			   int authorized)
941 {
942 	const u8 *dev_addr = NULL;
943 	char buf[100];
944 #ifdef CONFIG_P2P
945 	u8 addr[ETH_ALEN];
946 	u8 ip_addr_buf[4];
947 #endif /* CONFIG_P2P */
948 
949 	if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
950 		return;
951 
952 #ifdef CONFIG_P2P
953 	if (hapd->p2p_group == NULL) {
954 		if (sta->p2p_ie != NULL &&
955 		    p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
956 			dev_addr = addr;
957 	} else
958 		dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
959 
960 	if (dev_addr)
961 		os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
962 			    MAC2STR(sta->addr), MAC2STR(dev_addr));
963 	else
964 #endif /* CONFIG_P2P */
965 		os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
966 
967 	if (authorized) {
968 		char ip_addr[100];
969 		ip_addr[0] = '\0';
970 #ifdef CONFIG_P2P
971 		if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
972 			os_snprintf(ip_addr, sizeof(ip_addr),
973 				    " ip_addr=%u.%u.%u.%u",
974 				    ip_addr_buf[0], ip_addr_buf[1],
975 				    ip_addr_buf[2], ip_addr_buf[3]);
976 		}
977 #endif /* CONFIG_P2P */
978 
979 		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
980 			buf, ip_addr);
981 
982 		if (hapd->msg_ctx_parent &&
983 		    hapd->msg_ctx_parent != hapd->msg_ctx)
984 			wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
985 					  AP_STA_CONNECTED "%s%s",
986 					  buf, ip_addr);
987 
988 		sta->flags |= WLAN_STA_AUTHORIZED;
989 	} else {
990 		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
991 
992 		if (hapd->msg_ctx_parent &&
993 		    hapd->msg_ctx_parent != hapd->msg_ctx)
994 			wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
995 					  AP_STA_DISCONNECTED "%s", buf);
996 
997 		sta->flags &= ~WLAN_STA_AUTHORIZED;
998 	}
999 
1000 	if (hapd->sta_authorized_cb)
1001 		hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1002 					sta->addr, authorized, dev_addr);
1003 }
1004 
1005 
ap_sta_disconnect(struct hostapd_data * hapd,struct sta_info * sta,const u8 * addr,u16 reason)1006 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1007 		       const u8 *addr, u16 reason)
1008 {
1009 
1010 	if (sta == NULL && addr)
1011 		sta = ap_get_sta(hapd, addr);
1012 
1013 	if (addr)
1014 		hostapd_drv_sta_deauth(hapd, addr, reason);
1015 
1016 	if (sta == NULL)
1017 		return;
1018 	ap_sta_set_authorized(hapd, sta, 0);
1019 	wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1020 	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
1021 	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
1022 	wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
1023 		   "for " MACSTR " (%d seconds - "
1024 		   "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
1025 		   __func__, MAC2STR(sta->addr),
1026 		   AP_MAX_INACTIVITY_AFTER_DEAUTH);
1027 	eloop_cancel_timeout(ap_handle_timer, hapd, sta);
1028 	eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1029 			       ap_handle_timer, hapd, sta);
1030 	sta->timeout_next = STA_REMOVE;
1031 
1032 	sta->deauth_reason = reason;
1033 	sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
1034 	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1035 	eloop_register_timeout(hapd->iface->drv_flags &
1036 			       WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1037 			       ap_sta_deauth_cb_timeout, hapd, sta);
1038 }
1039 
1040 
ap_sta_deauth_cb(struct hostapd_data * hapd,struct sta_info * sta)1041 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1042 {
1043 	if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1044 		wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1045 		return;
1046 	}
1047 	sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
1048 	eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1049 	ap_sta_deauth_cb_timeout(hapd, sta);
1050 }
1051 
1052 
ap_sta_disassoc_cb(struct hostapd_data * hapd,struct sta_info * sta)1053 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1054 {
1055 	if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1056 		wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1057 		return;
1058 	}
1059 	sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1060 	eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1061 	ap_sta_disassoc_cb_timeout(hapd, sta);
1062 }
1063 
1064 
ap_sta_flags_txt(u32 flags,char * buf,size_t buflen)1065 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1066 {
1067 	int res;
1068 
1069 	buf[0] = '\0';
1070 	res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1071 			  (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1072 			  (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1073 			  (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1074 			  (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1075 			   ""),
1076 			  (flags & WLAN_STA_SHORT_PREAMBLE ?
1077 			   "[SHORT_PREAMBLE]" : ""),
1078 			  (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1079 			  (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1080 			  (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1081 			  (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1082 			  (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1083 			  (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1084 			  (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1085 			  (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1086 			  (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1087 			  (flags & WLAN_STA_VHT ? "[VHT]" : ""),
1088 			  (flags & WLAN_STA_WNM_SLEEP_MODE ?
1089 			   "[WNM_SLEEP_MODE]" : ""));
1090 
1091 	return res;
1092 }
1093