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Add more wpa_auth debugging messages
[thirdparty/hostap.git] / src / ap / sta_info.c
CommitLineData
6fc6879b
JM		 1/*
2 * hostapd / Station table
bdee6fce 3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
6fc6879b
JM		 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"
6fc6879b 16
6226e38d
JM		 17#include "utils/common.h"
18#include "utils/eloop.h"
81f4f619 19#include "common/ieee802_11_defs.h"
bdee6fce
JM		 20#include "radius/radius.h"
21#include "radius/radius_client.h"
22#include "drivers/driver.h"
8ccbe415 23#include "p2p/p2p.h"
6fc6879b 24#include "hostapd.h"
6fc6879b
JM		 25#include "accounting.h"
26#include "ieee802_1x.h"
27#include "ieee802_11.h"
6226e38d
JM		 28#include "wpa_auth.h"
29#include "preauth_auth.h"
30#include "ap_config.h"
6fc6879b 31#include "beacon.h"
6226e38d 32#include "ap_mlme.h"
6fc6879b 33#include "vlan_init.h"
aefb53bd 34#include "p2p_hostapd.h"
cee7d66b 35#include "ap_drv_ops.h"
6226e38d 36#include "sta_info.h"
6fc6879b 37
53f3d6f3
FF		 38static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
39 struct sta_info *sta);
6fc6879b 40static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
5d22a1d5 41#ifdef CONFIG_IEEE80211W
93b76319 42static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
5d22a1d5 43#endif /* CONFIG_IEEE80211W */
6fc6879b
JM		 44
45int ap_for_each_sta(struct hostapd_data *hapd,
46 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
47 void *ctx),
48 void *ctx)
49{
50 struct sta_info *sta;
51
52 for (sta = hapd->sta_list; sta; sta = sta->next) {
53 if (cb(hapd, sta, ctx))
54 return 1;
55 }
56
57 return 0;
58}
59
60
61struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
62{
63 struct sta_info *s;
64
65 s = hapd->sta_hash[STA_HASH(sta)];
66 while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
67 s = s->hnext;
68 return s;
69}
70
71
72static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
73{
74 struct sta_info *tmp;
75
76 if (hapd->sta_list == sta) {
77 hapd->sta_list = sta->next;
78 return;
79 }
80
81 tmp = hapd->sta_list;
82 while (tmp != NULL && tmp->next != sta)
83 tmp = tmp->next;
84 if (tmp == NULL) {
85 wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
86 "list.", MAC2STR(sta->addr));
87 } else
88 tmp->next = sta->next;
89}
90
91
92void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
93{
94 sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
95 hapd->sta_hash[STA_HASH(sta->addr)] = sta;
96}
97
98
99static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
100{
101 struct sta_info *s;
102
103 s = hapd->sta_hash[STA_HASH(sta->addr)];
104 if (s == NULL) return;
105 if (os_memcmp(s->addr, sta->addr, 6) == 0) {
106 hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
107 return;
108 }
109
110 while (s->hnext != NULL &&
111 os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
112 s = s->hnext;
113 if (s->hnext != NULL)
114 s->hnext = s->hnext->hnext;
115 else
116 wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
117 " from hash table", MAC2STR(sta->addr));
118}
119
120
121void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
122{
123 int set_beacon = 0;
124
125 accounting_sta_stop(hapd, sta);
126
6905dcb1
JB		 127 /* just in case */
128 ap_sta_set_authorized(hapd, sta, 0);
129
39f42d11 130 if (sta->flags & WLAN_STA_WDS)
0e8a96a9 131 hostapd_set_wds_sta(hapd, sta->addr, sta->aid, 0);
53f3d6f3
FF		 132
133 if (!(sta->flags & WLAN_STA_PREAUTH))
51e2a27a 134 hostapd_drv_sta_remove(hapd, sta->addr);
6fc6879b
JM		 135
136 ap_sta_hash_del(hapd, sta);
137 ap_sta_list_del(hapd, sta);
138
139 if (sta->aid > 0)
2991469c
JM		 140 hapd->sta_aid[(sta->aid - 1) / 32] &=
141 ~BIT((sta->aid - 1) % 32);
6fc6879b
JM		 142
143 hapd->num_sta--;
144 if (sta->nonerp_set) {
145 sta->nonerp_set = 0;
146 hapd->iface->num_sta_non_erp--;
147 if (hapd->iface->num_sta_non_erp == 0)
148 set_beacon++;
149 }
150
151 if (sta->no_short_slot_time_set) {
152 sta->no_short_slot_time_set = 0;
153 hapd->iface->num_sta_no_short_slot_time--;
154 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
155 && hapd->iface->num_sta_no_short_slot_time == 0)
156 set_beacon++;
157 }
158
159 if (sta->no_short_preamble_set) {
160 sta->no_short_preamble_set = 0;
161 hapd->iface->num_sta_no_short_preamble--;
162 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
163 && hapd->iface->num_sta_no_short_preamble == 0)
164 set_beacon++;
165 }
166
e8ff1e59
JM		 167 if (sta->no_ht_gf_set) {
168 sta->no_ht_gf_set = 0;
169 hapd->iface->num_sta_ht_no_gf--;
170 }
171
172 if (sta->no_ht_set) {
173 sta->no_ht_set = 0;
de9289c8 174 hapd->iface->num_sta_no_ht--;
e8ff1e59
JM		 175 }
176
177 if (sta->ht_20mhz_set) {
178 sta->ht_20mhz_set = 0;
179 hapd->iface->num_sta_ht_20mhz--;
180 }
de9289c8 181
aefb53bd
JM		 182#ifdef CONFIG_P2P
183 if (sta->no_p2p_set) {
184 sta->no_p2p_set = 0;
185 hapd->num_sta_no_p2p--;
186 if (hapd->num_sta_no_p2p == 0)
187 hostapd_p2p_non_p2p_sta_disconnected(hapd);
188 }
189#endif /* CONFIG_P2P */
190
d45354be 191#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
de9289c8
JM		 192 if (hostapd_ht_operation_update(hapd->iface) > 0)
193 set_beacon++;
d45354be 194#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
de9289c8 195
6fc6879b
JM		 196 if (set_beacon)
197 ieee802_11_set_beacons(hapd->iface);
198
199 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
200 eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
201
202 ieee802_1x_free_station(sta);
203 wpa_auth_sta_deinit(sta->wpa_sm);
204 rsn_preauth_free_station(hapd, sta);
74784010 205#ifndef CONFIG_NO_RADIUS
6fc6879b 206 radius_client_flush_auth(hapd->radius, sta->addr);
74784010 207#endif /* CONFIG_NO_RADIUS */
6fc6879b
JM		 208
209 os_free(sta->last_assoc_req);
210 os_free(sta->challenge);
5d22a1d5
JM		 211
212#ifdef CONFIG_IEEE80211W
93b76319
JM		 213 os_free(sta->sa_query_trans_id);
214 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
5d22a1d5
JM		 215#endif /* CONFIG_IEEE80211W */
216
8ccbe415
JM		 217#ifdef CONFIG_P2P
218 p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
219#endif /* CONFIG_P2P */
220
eb76b7e3 221 wpabuf_free(sta->wps_ie);
b305c684 222 wpabuf_free(sta->p2p_ie);
eb76b7e3 223
df84268a
JM		 224 os_free(sta->ht_capabilities);
225
6fc6879b
JM		 226 os_free(sta);
227}
228
229
230void hostapd_free_stas(struct hostapd_data *hapd)
231{
232 struct sta_info *sta, *prev;
233
234 sta = hapd->sta_list;
235
236 while (sta) {
237 prev = sta;
238 if (sta->flags & WLAN_STA_AUTH) {
239 mlme_deauthenticate_indication(
240 hapd, sta, WLAN_REASON_UNSPECIFIED);
241 }
242 sta = sta->next;
243 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
244 MAC2STR(prev->addr));
245 ap_free_sta(hapd, prev);
246 }
247}
248
249
1c6e69cc
JM		 250/**
251 * ap_handle_timer - Per STA timer handler
252 * @eloop_ctx: struct hostapd_data *
253 * @timeout_ctx: struct sta_info *
254 *
255 * This function is called to check station activity and to remove inactive
256 * stations.
257 */
6fc6879b
JM		 258void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
259{
260 struct hostapd_data *hapd = eloop_ctx;
261 struct sta_info *sta = timeout_ctx;
262 unsigned long next_time = 0;
263
264 if (sta->timeout_next == STA_REMOVE) {
265 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
266 HOSTAPD_LEVEL_INFO, "deauthenticated due to "
267 "local deauth request");
268 ap_free_sta(hapd, sta);
269 return;
270 }
271
272 if ((sta->flags & WLAN_STA_ASSOC) &&
273 (sta->timeout_next == STA_NULLFUNC ||
274 sta->timeout_next == STA_DISASSOC)) {
275 int inactive_sec;
276 wpa_printf(MSG_DEBUG, "Checking STA " MACSTR " inactivity:",
277 MAC2STR(sta->addr));
51e2a27a 278 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
6fc6879b
JM		 279 if (inactive_sec == -1) {
280 wpa_printf(MSG_DEBUG, "Could not get station info "
281 "from kernel driver for " MACSTR ".",
282 MAC2STR(sta->addr));
283 } else if (inactive_sec < hapd->conf->ap_max_inactivity &&
284 sta->flags & WLAN_STA_ASSOC) {
285 /* station activity detected; reset timeout state */
286 wpa_printf(MSG_DEBUG, " Station has been active");
287 sta->timeout_next = STA_NULLFUNC;
288 next_time = hapd->conf->ap_max_inactivity -
289 inactive_sec;
290 }
291 }
292
293 if ((sta->flags & WLAN_STA_ASSOC) &&
294 sta->timeout_next == STA_DISASSOC &&
295 !(sta->flags & WLAN_STA_PENDING_POLL)) {
296 wpa_printf(MSG_DEBUG, " Station has ACKed data poll");
297 /* data nullfunc frame poll did not produce TX errors; assume
298 * station ACKed it */
299 sta->timeout_next = STA_NULLFUNC;
300 next_time = hapd->conf->ap_max_inactivity;
301 }
302
303 if (next_time) {
304 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
305 sta);
306 return;
307 }
308
309 if (sta->timeout_next == STA_NULLFUNC &&
310 (sta->flags & WLAN_STA_ASSOC)) {
08230317 311#ifndef CONFIG_NATIVE_WINDOWS
6fc6879b
JM		 312 /* send data frame to poll STA and check whether this frame
313 * is ACKed */
314 struct ieee80211_hdr hdr;
315
316 wpa_printf(MSG_DEBUG, " Polling STA with data frame");
317 sta->flags |= WLAN_STA_PENDING_POLL;
318
6fc6879b 319 os_memset(&hdr, 0, sizeof(hdr));
1e145265
JM		 320 if (hapd->driver &&
321 os_strcmp(hapd->driver->name, "hostap") == 0) {
322 /*
323 * WLAN_FC_STYPE_NULLFUNC would be more appropriate,
324 * but it is apparently not retried so TX Exc events
325 * are not received for it.
326 */
327 hdr.frame_control =
328 IEEE80211_FC(WLAN_FC_TYPE_DATA,
329 WLAN_FC_STYPE_DATA);
330 } else {
331 hdr.frame_control =
332 IEEE80211_FC(WLAN_FC_TYPE_DATA,
333 WLAN_FC_STYPE_NULLFUNC);
334 }
335
6fc6879b
JM		 336 hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
337 os_memcpy(hdr.IEEE80211_DA_FROMDS, sta->addr, ETH_ALEN);
338 os_memcpy(hdr.IEEE80211_BSSID_FROMDS, hapd->own_addr,
339 ETH_ALEN);
340 os_memcpy(hdr.IEEE80211_SA_FROMDS, hapd->own_addr, ETH_ALEN);
341
cee7d66b 342 if (hostapd_drv_send_mlme(hapd, &hdr, sizeof(hdr)) < 0)
6fc6879b
JM		 343 perror("ap_handle_timer: send");
344#endif /* CONFIG_NATIVE_WINDOWS */
345 } else if (sta->timeout_next != STA_REMOVE) {
346 int deauth = sta->timeout_next == STA_DEAUTH;
347
348 wpa_printf(MSG_DEBUG, "Sending %s info to STA " MACSTR,
349 deauth ? "deauthentication" : "disassociation",
350 MAC2STR(sta->addr));
351
352 if (deauth) {
51e2a27a
JM		 353 hostapd_drv_sta_deauth(
354 hapd, sta->addr,
355 WLAN_REASON_PREV_AUTH_NOT_VALID);
6fc6879b 356 } else {
51e2a27a 357 hostapd_drv_sta_disassoc(
6fc6879b
JM		 358 hapd, sta->addr,
359 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
360 }
361 }
362
363 switch (sta->timeout_next) {
364 case STA_NULLFUNC:
365 sta->timeout_next = STA_DISASSOC;
366 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
367 hapd, sta);
368 break;
369 case STA_DISASSOC:
370 sta->flags &= ~WLAN_STA_ASSOC;
371 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
372 if (!sta->acct_terminate_cause)
373 sta->acct_terminate_cause =
374 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
375 accounting_sta_stop(hapd, sta);
376 ieee802_1x_free_station(sta);
377 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
378 HOSTAPD_LEVEL_INFO, "disassociated due to "
379 "inactivity");
380 sta->timeout_next = STA_DEAUTH;
381 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
382 hapd, sta);
383 mlme_disassociate_indication(
384 hapd, sta, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
385 break;
386 case STA_DEAUTH:
387 case STA_REMOVE:
388 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
389 HOSTAPD_LEVEL_INFO, "deauthenticated due to "
390 "inactivity");
391 if (!sta->acct_terminate_cause)
392 sta->acct_terminate_cause =
393 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
394 mlme_deauthenticate_indication(
395 hapd, sta,
396 WLAN_REASON_PREV_AUTH_NOT_VALID);
397 ap_free_sta(hapd, sta);
398 break;
399 }
400}
401
402
403static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
404{
405 struct hostapd_data *hapd = eloop_ctx;
406 struct sta_info *sta = timeout_ctx;
407 u8 addr[ETH_ALEN];
408
409 if (!(sta->flags & WLAN_STA_AUTH))
410 return;
411
412 mlme_deauthenticate_indication(hapd, sta,
413 WLAN_REASON_PREV_AUTH_NOT_VALID);
414 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
415 HOSTAPD_LEVEL_INFO, "deauthenticated due to "
416 "session timeout");
417 sta->acct_terminate_cause =
418 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
419 os_memcpy(addr, sta->addr, ETH_ALEN);
420 ap_free_sta(hapd, sta);
51e2a27a 421 hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
6fc6879b
JM		 422}
423
424
425void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
426 u32 session_timeout)
427{
428 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
429 HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
430 "seconds", session_timeout);
431 eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
432 eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
433 hapd, sta);
434}
435
436
437void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
438{
439 eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
440}
441
442
443struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
444{
445 struct sta_info *sta;
446
447 sta = ap_get_sta(hapd, addr);
448 if (sta)
449 return sta;
450
451 wpa_printf(MSG_DEBUG, " New STA");
452 if (hapd->num_sta >= hapd->conf->max_num_sta) {
453 /* FIX: might try to remove some old STAs first? */
454 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
455 hapd->num_sta, hapd->conf->max_num_sta);
456 return NULL;
457 }
458
459 sta = os_zalloc(sizeof(struct sta_info));
460 if (sta == NULL) {
461 wpa_printf(MSG_ERROR, "malloc failed");
462 return NULL;
463 }
5843e1c9 464 sta->acct_interim_interval = hapd->conf->acct_interim_interval;
6fc6879b
JM		 465
466 /* initialize STA info data */
467 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
468 ap_handle_timer, hapd, sta);
469 os_memcpy(sta->addr, addr, ETH_ALEN);
470 sta->next = hapd->sta_list;
471 hapd->sta_list = sta;
472 hapd->num_sta++;
473 ap_sta_hash_add(hapd, sta);
474 sta->ssid = &hapd->conf->ssid;
53f3d6f3 475 ap_sta_remove_in_other_bss(hapd, sta);
6fc6879b
JM		 476
477 return sta;
478}
479
480
481static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
482{
483 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
484
485 wpa_printf(MSG_DEBUG, "Removing STA " MACSTR " from kernel driver",
486 MAC2STR(sta->addr));
51e2a27a 487 if (hostapd_drv_sta_remove(hapd, sta->addr) &&
6fc6879b
JM		 488 sta->flags & WLAN_STA_ASSOC) {
489 wpa_printf(MSG_DEBUG, "Could not remove station " MACSTR
490 " from kernel driver.", MAC2STR(sta->addr));
491 return -1;
492 }
493 return 0;
494}
495
496
53f3d6f3
FF		 497static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
498 struct sta_info *sta)
6fc6879b
JM		 499{
500 struct hostapd_iface *iface = hapd->iface;
501 size_t i;
502
503 for (i = 0; i < iface->num_bss; i++) {
504 struct hostapd_data *bss = iface->bss[i];
505 struct sta_info *sta2;
506 /* bss should always be set during operation, but it may be
507 * NULL during reconfiguration. Assume the STA is not
508 * associated to another BSS in that case to avoid NULL pointer
509 * dereferences. */
510 if (bss == hapd || bss == NULL)
511 continue;
512 sta2 = ap_get_sta(bss, sta->addr);
53f3d6f3
FF		 513 if (!sta2)
514 continue;
6fc6879b 515
53f3d6f3
FF		 516 ap_sta_disconnect(bss, sta2, sta2->addr,
517 WLAN_REASON_PREV_AUTH_NOT_VALID);
518 }
6fc6879b
JM		 519}
520
521
522void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
523 u16 reason)
524{
525 wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
526 hapd->conf->iface, MAC2STR(sta->addr));
527 sta->flags &= ~WLAN_STA_ASSOC;
53f3d6f3 528 ap_sta_remove(hapd, sta);
6fc6879b
JM		 529 sta->timeout_next = STA_DEAUTH;
530 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
531 eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
532 ap_handle_timer, hapd, sta);
533 accounting_sta_stop(hapd, sta);
534 ieee802_1x_free_station(sta);
535
536 mlme_disassociate_indication(hapd, sta, reason);
537}
538
539
540void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
541 u16 reason)
542{
543 wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
544 hapd->conf->iface, MAC2STR(sta->addr));
545 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
53f3d6f3 546 ap_sta_remove(hapd, sta);
6fc6879b
JM		 547 sta->timeout_next = STA_REMOVE;
548 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
549 eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
550 ap_handle_timer, hapd, sta);
551 accounting_sta_stop(hapd, sta);
552 ieee802_1x_free_station(sta);
553
554 mlme_deauthenticate_indication(hapd, sta, reason);
555}
556
557
558int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
559 int old_vlanid)
560{
30b32314 561#ifndef CONFIG_NO_VLAN
6fc6879b
JM		 562 const char *iface;
563 struct hostapd_vlan *vlan = NULL;
4254100d 564 int ret;
6fc6879b
JM		 565
566 /*
567 * Do not proceed furthur if the vlan id remains same. We do not want
568 * duplicate dynamic vlan entries.
569 */
570 if (sta->vlan_id == old_vlanid)
571 return 0;
572
573 /*
574 * During 1x reauth, if the vlan id changes, then remove the old id and
575 * proceed furthur to add the new one.
576 */
577 if (old_vlanid > 0)
578 vlan_remove_dynamic(hapd, old_vlanid);
579
580 iface = hapd->conf->iface;
581 if (sta->ssid->vlan[0])
582 iface = sta->ssid->vlan;
583
584 if (sta->ssid->dynamic_vlan == DYNAMIC_VLAN_DISABLED)
585 sta->vlan_id = 0;
586 else if (sta->vlan_id > 0) {
587 vlan = hapd->conf->vlan;
588 while (vlan) {
589 if (vlan->vlan_id == sta->vlan_id ||
590 vlan->vlan_id == VLAN_ID_WILDCARD) {
591 iface = vlan->ifname;
592 break;
593 }
594 vlan = vlan->next;
595 }
596 }
597
598 if (sta->vlan_id > 0 && vlan == NULL) {
599 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
600 HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
601 "binding station to (vlan_id=%d)",
602 sta->vlan_id);
603 return -1;
604 } else if (sta->vlan_id > 0 && vlan->vlan_id == VLAN_ID_WILDCARD) {
605 vlan = vlan_add_dynamic(hapd, vlan, sta->vlan_id);
606 if (vlan == NULL) {
607 hostapd_logger(hapd, sta->addr,
608 HOSTAPD_MODULE_IEEE80211,
609 HOSTAPD_LEVEL_DEBUG, "could not add "
610 "dynamic VLAN interface for vlan_id=%d",
611 sta->vlan_id);
612 return -1;
613 }
614
615 iface = vlan->ifname;
616 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
617 hostapd_logger(hapd, sta->addr,
618 HOSTAPD_MODULE_IEEE80211,
619 HOSTAPD_LEVEL_DEBUG, "could not "
620 "configure encryption for dynamic VLAN "
621 "interface for vlan_id=%d",
622 sta->vlan_id);
623 }
624
625 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
626 HOSTAPD_LEVEL_DEBUG, "added new dynamic VLAN "
627 "interface '%s'", iface);
628 } else if (vlan && vlan->vlan_id == sta->vlan_id) {
629 if (sta->vlan_id > 0) {
630 vlan->dynamic_vlan++;
631 hostapd_logger(hapd, sta->addr,
632 HOSTAPD_MODULE_IEEE80211,
633 HOSTAPD_LEVEL_DEBUG, "updated existing "
634 "dynamic VLAN interface '%s'", iface);
635 }
636
637 /*
638 * Update encryption configuration for statically generated
639 * VLAN interface. This is only used for static WEP
640 * configuration for the case where hostapd did not yet know
641 * which keys are to be used when the interface was added.
642 */
643 if (vlan_setup_encryption_dyn(hapd, sta->ssid, iface) != 0) {
644 hostapd_logger(hapd, sta->addr,
645 HOSTAPD_MODULE_IEEE80211,
646 HOSTAPD_LEVEL_DEBUG, "could not "
647 "configure encryption for VLAN "
648 "interface for vlan_id=%d",
649 sta->vlan_id);
650 }
651 }
652
653 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
654 HOSTAPD_LEVEL_DEBUG, "binding station to interface "
655 "'%s'", iface);
656
657 if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
658 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
659
51e2a27a 660 ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
4254100d
JM		 661 if (ret < 0) {
662 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
663 HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
664 "entry to vlan_id=%d", sta->vlan_id);
665 }
666 return ret;
30b32314
JM		 667#else /* CONFIG_NO_VLAN */
668 return 0;
669#endif /* CONFIG_NO_VLAN */
6fc6879b 670}
5d22a1d5
JM		 671
672
673#ifdef CONFIG_IEEE80211W
674
45c94154 675int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
5d22a1d5 676{
45c94154
JM		 677 u32 tu;
678 struct os_time now, passed;
679 os_get_time(&now);
680 os_time_sub(&now, &sta->sa_query_start, &passed);
681 tu = (passed.sec * 1000000 + passed.usec) / 1024;
682 if (hapd->conf->assoc_sa_query_max_timeout < tu) {
683 hostapd_logger(hapd, sta->addr,
684 HOSTAPD_MODULE_IEEE80211,
5d22a1d5 685 HOSTAPD_LEVEL_DEBUG,
93b76319
JM		 686 "association SA Query timed out");
687 sta->sa_query_timed_out = 1;
688 os_free(sta->sa_query_trans_id);
689 sta->sa_query_trans_id = NULL;
690 sta->sa_query_count = 0;
45c94154
JM		 691 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
692 return 1;
5d22a1d5
JM		 693 }
694
45c94154
JM		 695 return 0;
696}
697
698
699static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
700{
701 struct hostapd_data *hapd = eloop_ctx;
702 struct sta_info *sta = timeout_ctx;
703 unsigned int timeout, sec, usec;
704 u8 *trans_id, *nbuf;
705
706 if (sta->sa_query_count > 0 &&
707 ap_check_sa_query_timeout(hapd, sta))
708 return;
709
93b76319
JM		 710 nbuf = os_realloc(sta->sa_query_trans_id,
711 (sta->sa_query_count + 1) * WLAN_SA_QUERY_TR_ID_LEN);
5d22a1d5
JM		 712 if (nbuf == NULL)
713 return;
45c94154
JM		 714 if (sta->sa_query_count == 0) {
715 /* Starting a new SA Query procedure */
716 os_get_time(&sta->sa_query_start);
717 }
93b76319
JM		 718 trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
719 sta->sa_query_trans_id = nbuf;
720 sta->sa_query_count++;
5d22a1d5 721
93b76319 722 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
5d22a1d5 723
45c94154
JM		 724 timeout = hapd->conf->assoc_sa_query_retry_timeout;
725 sec = ((timeout / 1000) * 1024) / 1000;
726 usec = (timeout % 1000) * 1024;
727 eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
728
5d22a1d5
JM		 729 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
730 HOSTAPD_LEVEL_DEBUG,
93b76319 731 "association SA Query attempt %d", sta->sa_query_count);
5d22a1d5 732
fe6bdb77 733#ifdef NEED_AP_MLME
93b76319 734 ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
fe6bdb77 735#endif /* NEED_AP_MLME */
5d22a1d5
JM		 736}
737
738
93b76319 739void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
5d22a1d5 740{
93b76319 741 ap_sa_query_timer(hapd, sta);
5d22a1d5
JM		 742}
743
744
93b76319 745void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
5d22a1d5 746{
93b76319
JM		 747 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
748 os_free(sta->sa_query_trans_id);
749 sta->sa_query_trans_id = NULL;
750 sta->sa_query_count = 0;
5d22a1d5
JM		 751}
752
753#endif /* CONFIG_IEEE80211W */
45cefa0b
JM		 754
755
6905dcb1
JB		 756void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
757 int authorized)
758{
759 if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
760 return;
761
762 if (authorized)
763 sta->flags |= WLAN_STA_AUTHORIZED;
764 else
765 sta->flags &= ~WLAN_STA_AUTHORIZED;
0661eed2
JB		 766
767 if (hapd->sta_authorized_cb)
768 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
769 sta->addr, authorized);
6905dcb1
JB		 770}
771
772
45cefa0b
JM		 773void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
774 const u8 *addr, u16 reason)
775{
776
777 if (sta == NULL && addr)
778 sta = ap_get_sta(hapd, addr);
779
780 if (addr)
51e2a27a 781 hostapd_drv_sta_deauth(hapd, addr, reason);
45cefa0b
JM		 782
783 if (sta == NULL)
784 return;
6905dcb1
JB		 785 ap_sta_set_authorized(hapd, sta, 0);
786 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
45cefa0b
JM		 787 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
788 eloop_register_timeout(0, 0, ap_handle_timer, hapd, sta);
789 sta->timeout_next = STA_REMOVE;
790}
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