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VLAN: Separate station grouping and uplink configuration
[thirdparty/hostap.git] / src / ap / sta_info.c
CommitLineData
6fc6879b
JM		 1/*
2 * hostapd / Station table
f2c56602 3 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 7 */
8
6226e38d 9#include "utils/includes.h"
6fc6879b 10
6226e38d
JM		 11#include "utils/common.h"
12#include "utils/eloop.h"
81f4f619 13#include "common/ieee802_11_defs.h"
6caaae1e 14#include "common/wpa_ctrl.h"
a46d72d7 15#include "common/sae.h"
bdee6fce
JM		 16#include "radius/radius.h"
17#include "radius/radius_client.h"
8ccbe415 18#include "p2p/p2p.h"
6959145b 19#include "fst/fst.h"
6fc6879b 20#include "hostapd.h"
6fc6879b
JM		 21#include "accounting.h"
22#include "ieee802_1x.h"
23#include "ieee802_11.h"
f2a14be7 24#include "ieee802_11_auth.h"
6226e38d
JM		 25#include "wpa_auth.h"
26#include "preauth_auth.h"
27#include "ap_config.h"
6fc6879b 28#include "beacon.h"
6226e38d 29#include "ap_mlme.h"
6fc6879b 30#include "vlan_init.h"
aefb53bd 31#include "p2p_hostapd.h"
cee7d66b 32#include "ap_drv_ops.h"
dca30c3f 33#include "gas_serv.h"
97596f8e 34#include "wnm_ap.h"
bd00c431 35#include "ndisc_snoop.h"
6226e38d 36#include "sta_info.h"
1889af2e 37#include "vlan.h"
6fc6879b 38
53f3d6f3
FF		 39static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
40 struct sta_info *sta);
6fc6879b 41static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
97596f8e 42static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx);
4dc03726
JM		 43static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx);
44static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx);
5d22a1d5 45#ifdef CONFIG_IEEE80211W
93b76319 46static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
5d22a1d5 47#endif /* CONFIG_IEEE80211W */
4dc03726 48static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta);
6fc6879b
JM		 49
50int ap_for_each_sta(struct hostapd_data *hapd,
51 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
52 void *ctx),
53 void *ctx)
54{
55 struct sta_info *sta;
56
57 for (sta = hapd->sta_list; sta; sta = sta->next) {
58 if (cb(hapd, sta, ctx))
59 return 1;
60 }
61
62 return 0;
63}
64
65
66struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta)
67{
68 struct sta_info *s;
69
70 s = hapd->sta_hash[STA_HASH(sta)];
71 while (s != NULL && os_memcmp(s->addr, sta, 6) != 0)
72 s = s->hnext;
73 return s;
74}
75
76
f2c56602
JM		 77#ifdef CONFIG_P2P
78struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr)
79{
80 struct sta_info *sta;
81
82 for (sta = hapd->sta_list; sta; sta = sta->next) {
83 const u8 *p2p_dev_addr;
84
85 if (sta->p2p_ie == NULL)
86 continue;
87
88 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
89 if (p2p_dev_addr == NULL)
90 continue;
91
92 if (os_memcmp(p2p_dev_addr, addr, ETH_ALEN) == 0)
93 return sta;
94 }
95
96 return NULL;
97}
98#endif /* CONFIG_P2P */
99
100
6fc6879b
JM		 101static void ap_sta_list_del(struct hostapd_data *hapd, struct sta_info *sta)
102{
103 struct sta_info *tmp;
104
105 if (hapd->sta_list == sta) {
106 hapd->sta_list = sta->next;
107 return;
108 }
109
110 tmp = hapd->sta_list;
111 while (tmp != NULL && tmp->next != sta)
112 tmp = tmp->next;
113 if (tmp == NULL) {
114 wpa_printf(MSG_DEBUG, "Could not remove STA " MACSTR " from "
115 "list.", MAC2STR(sta->addr));
116 } else
117 tmp->next = sta->next;
118}
119
120
121void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta)
122{
123 sta->hnext = hapd->sta_hash[STA_HASH(sta->addr)];
124 hapd->sta_hash[STA_HASH(sta->addr)] = sta;
125}
126
127
128static void ap_sta_hash_del(struct hostapd_data *hapd, struct sta_info *sta)
129{
130 struct sta_info *s;
131
132 s = hapd->sta_hash[STA_HASH(sta->addr)];
133 if (s == NULL) return;
134 if (os_memcmp(s->addr, sta->addr, 6) == 0) {
135 hapd->sta_hash[STA_HASH(sta->addr)] = s->hnext;
136 return;
137 }
138
139 while (s->hnext != NULL &&
140 os_memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
141 s = s->hnext;
142 if (s->hnext != NULL)
143 s->hnext = s->hnext->hnext;
144 else
145 wpa_printf(MSG_DEBUG, "AP: could not remove STA " MACSTR
146 " from hash table", MAC2STR(sta->addr));
147}
148
149
bd00c431
KP		 150void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta)
151{
152 sta_ip6addr_del(hapd, sta);
153}
154
155
6fc6879b
JM		 156void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
157{
158 int set_beacon = 0;
159
160 accounting_sta_stop(hapd, sta);
161
6905dcb1
JB		 162 /* just in case */
163 ap_sta_set_authorized(hapd, sta, 0);
164
39f42d11 165 if (sta->flags & WLAN_STA_WDS)
69dd2967 166 hostapd_set_wds_sta(hapd, NULL, sta->addr, sta->aid, 0);
53f3d6f3 167
7d597d46 168 if (sta->ipaddr)
ed4ddb6d 169 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
bd00c431 170 ap_sta_ip6addr_del(hapd, sta);
7d597d46 171
354c903f
MB		 172 if (!hapd->iface->driver_ap_teardown &&
173 !(sta->flags & WLAN_STA_PREAUTH))
51e2a27a 174 hostapd_drv_sta_remove(hapd, sta->addr);
6fc6879b
JM		 175
176 ap_sta_hash_del(hapd, sta);
177 ap_sta_list_del(hapd, sta);
178
179 if (sta->aid > 0)
2991469c
JM		 180 hapd->sta_aid[(sta->aid - 1) / 32] &=
181 ~BIT((sta->aid - 1) % 32);
6fc6879b
JM		 182
183 hapd->num_sta--;
184 if (sta->nonerp_set) {
185 sta->nonerp_set = 0;
186 hapd->iface->num_sta_non_erp--;
187 if (hapd->iface->num_sta_non_erp == 0)
188 set_beacon++;
189 }
190
191 if (sta->no_short_slot_time_set) {
192 sta->no_short_slot_time_set = 0;
193 hapd->iface->num_sta_no_short_slot_time--;
194 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
195 && hapd->iface->num_sta_no_short_slot_time == 0)
196 set_beacon++;
197 }
198
199 if (sta->no_short_preamble_set) {
200 sta->no_short_preamble_set = 0;
201 hapd->iface->num_sta_no_short_preamble--;
202 if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G
203 && hapd->iface->num_sta_no_short_preamble == 0)
204 set_beacon++;
205 }
206
e8ff1e59
JM		 207 if (sta->no_ht_gf_set) {
208 sta->no_ht_gf_set = 0;
209 hapd->iface->num_sta_ht_no_gf--;
210 }
211
212 if (sta->no_ht_set) {
213 sta->no_ht_set = 0;
de9289c8 214 hapd->iface->num_sta_no_ht--;
e8ff1e59
JM		 215 }
216
217 if (sta->ht_20mhz_set) {
218 sta->ht_20mhz_set = 0;
219 hapd->iface->num_sta_ht_20mhz--;
220 }
de9289c8 221
9c47f6a2
PX		 222#ifdef CONFIG_IEEE80211N
223 ht40_intolerant_remove(hapd->iface, sta);
224#endif /* CONFIG_IEEE80211N */
225
aefb53bd
JM		 226#ifdef CONFIG_P2P
227 if (sta->no_p2p_set) {
228 sta->no_p2p_set = 0;
229 hapd->num_sta_no_p2p--;
230 if (hapd->num_sta_no_p2p == 0)
231 hostapd_p2p_non_p2p_sta_disconnected(hapd);
232 }
233#endif /* CONFIG_P2P */
234
d45354be 235#if defined(NEED_AP_MLME) && defined(CONFIG_IEEE80211N)
de9289c8
JM		 236 if (hostapd_ht_operation_update(hapd->iface) > 0)
237 set_beacon++;
d45354be 238#endif /* NEED_AP_MLME && CONFIG_IEEE80211N */
de9289c8 239
c596f3f0
CYY		 240#ifdef CONFIG_MESH
241 if (hapd->mesh_sta_free_cb)
9684c756 242 hapd->mesh_sta_free_cb(hapd, sta);
c596f3f0
CYY		 243#endif /* CONFIG_MESH */
244
6fc6879b
JM		 245 if (set_beacon)
246 ieee802_11_set_beacons(hapd->iface);
247
42ca9845
JM		 248 wpa_printf(MSG_DEBUG, "%s: cancel ap_handle_timer for " MACSTR,
249 __func__, MAC2STR(sta->addr));
6fc6879b
JM		 250 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
251 eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
97596f8e 252 eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
9e8fde21 253 ap_sta_clear_disconnect_timeouts(hapd, sta);
f3b8ad4d 254 sae_clear_retransmit_timer(hapd, sta);
6fc6879b 255
d7c3347f 256 ieee802_1x_free_station(hapd, sta);
6fc6879b
JM		 257 wpa_auth_sta_deinit(sta->wpa_sm);
258 rsn_preauth_free_station(hapd, sta);
74784010 259#ifndef CONFIG_NO_RADIUS
ded22b53
HS		 260 if (hapd->radius)
261 radius_client_flush_auth(hapd->radius, sta->addr);
74784010 262#endif /* CONFIG_NO_RADIUS */
6fc6879b 263
7cebc8e2
MB		 264#ifndef CONFIG_NO_VLAN
265 /*
266 * sta->wpa_sm->group needs to be released before so that
267 * vlan_remove_dynamic() can check that no stations are left on the
268 * AP_VLAN netdev.
269 */
1889af2e
MB		 270 if (sta->vlan_id)
271 vlan_remove_dynamic(hapd, sta->vlan_id);
7cebc8e2
MB		 272 if (sta->vlan_id_bound) {
273 /*
274 * Need to remove the STA entry before potentially removing the
275 * VLAN.
276 */
277 if (hapd->iface->driver_ap_teardown &&
278 !(sta->flags & WLAN_STA_PREAUTH))
279 hostapd_drv_sta_remove(hapd, sta->addr);
280 vlan_remove_dynamic(hapd, sta->vlan_id_bound);
281 }
282#endif /* CONFIG_NO_VLAN */
283
6fc6879b 284 os_free(sta->challenge);
5d22a1d5
JM		 285
286#ifdef CONFIG_IEEE80211W
93b76319
JM		 287 os_free(sta->sa_query_trans_id);
288 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
5d22a1d5
JM		 289#endif /* CONFIG_IEEE80211W */
290
8ccbe415
JM		 291#ifdef CONFIG_P2P
292 p2p_group_notif_disassoc(hapd->p2p_group, sta->addr);
293#endif /* CONFIG_P2P */
294
dca30c3f
JK		 295#ifdef CONFIG_INTERWORKING
296 if (sta->gas_dialog) {
297 int i;
298 for (i = 0; i < GAS_DIALOG_MAX; i++)
299 gas_serv_dialog_clear(&sta->gas_dialog[i]);
300 os_free(sta->gas_dialog);
301 }
302#endif /* CONFIG_INTERWORKING */
303
eb76b7e3 304 wpabuf_free(sta->wps_ie);
b305c684 305 wpabuf_free(sta->p2p_ie);
f403dcd6 306 wpabuf_free(sta->hs20_ie);
ae667c08
AN		 307#ifdef CONFIG_FST
308 wpabuf_free(sta->mb_ies);
309#endif /* CONFIG_FST */
eb76b7e3 310
df84268a 311 os_free(sta->ht_capabilities);
cc14091e 312 os_free(sta->vht_capabilities);
f2a14be7 313 hostapd_free_psk_list(sta->psk);
2092597f
MB		 314 os_free(sta->identity);
315 os_free(sta->radius_cui);
6ca0853d 316 os_free(sta->remediation_url);
8e1146d9 317 wpabuf_free(sta->hs20_deauth_req);
97596f8e 318 os_free(sta->hs20_session_info_url);
df84268a 319
98efcc41 320#ifdef CONFIG_SAE
a46d72d7 321 sae_clear_data(sta->sae);
98efcc41
JM		 322 os_free(sta->sae);
323#endif /* CONFIG_SAE */
324
6fc6879b
JM		 325 os_free(sta);
326}
327
328
329void hostapd_free_stas(struct hostapd_data *hapd)
330{
331 struct sta_info *sta, *prev;
332
333 sta = hapd->sta_list;
334
335 while (sta) {
336 prev = sta;
337 if (sta->flags & WLAN_STA_AUTH) {
338 mlme_deauthenticate_indication(
339 hapd, sta, WLAN_REASON_UNSPECIFIED);
340 }
341 sta = sta->next;
342 wpa_printf(MSG_DEBUG, "Removing station " MACSTR,
343 MAC2STR(prev->addr));
344 ap_free_sta(hapd, prev);
345 }
346}
347
348
1c6e69cc
JM		 349/**
350 * ap_handle_timer - Per STA timer handler
351 * @eloop_ctx: struct hostapd_data *
352 * @timeout_ctx: struct sta_info *
353 *
354 * This function is called to check station activity and to remove inactive
355 * stations.
356 */
6fc6879b
JM		 357void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
358{
359 struct hostapd_data *hapd = eloop_ctx;
360 struct sta_info *sta = timeout_ctx;
361 unsigned long next_time = 0;
d5b559b6 362 int reason;
6fc6879b 363
03269d55
JM		 364 wpa_printf(MSG_DEBUG, "%s: %s: " MACSTR " flags=0x%x timeout_next=%d",
365 hapd->conf->iface, __func__, MAC2STR(sta->addr), sta->flags,
42ca9845 366 sta->timeout_next);
6fc6879b
JM		 367 if (sta->timeout_next == STA_REMOVE) {
368 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
369 HOSTAPD_LEVEL_INFO, "deauthenticated due to "
370 "local deauth request");
371 ap_free_sta(hapd, sta);
372 return;
373 }
374
375 if ((sta->flags & WLAN_STA_ASSOC) &&
376 (sta->timeout_next == STA_NULLFUNC ||
377 sta->timeout_next == STA_DISASSOC)) {
378 int inactive_sec;
ce28e279
BG		 379 /*
380 * Add random value to timeout so that we don't end up bouncing
381 * all stations at the same time if we have lots of associated
382 * stations that are idle (but keep re-associating).
383 */
384 int fuzz = os_random() % 20;
51e2a27a 385 inactive_sec = hostapd_drv_get_inact_sec(hapd, sta->addr);
6fc6879b 386 if (inactive_sec == -1) {
3ec1e902
JM		 387 wpa_msg(hapd->msg_ctx, MSG_DEBUG,
388 "Check inactivity: Could not "
d5674791 389 "get station info from kernel driver for "
24d75245 390 MACSTR, MAC2STR(sta->addr));
d5674791
JM		 391 /*
392 * The driver may not support this functionality.
393 * Anyway, try again after the next inactivity timeout,
394 * but do not disconnect the station now.
395 */
ce28e279 396 next_time = hapd->conf->ap_max_inactivity + fuzz;
b9749bac
MH		 397 } else if (inactive_sec == -ENOENT) {
398 wpa_msg(hapd->msg_ctx, MSG_DEBUG,
399 "Station " MACSTR " has lost its driver entry",
400 MAC2STR(sta->addr));
401
47e5fbde
PO		 402 /* Avoid sending client probe on removed client */
403 sta->timeout_next = STA_DISASSOC;
404 goto skip_poll;
a114c723 405 } else if (inactive_sec < hapd->conf->ap_max_inactivity) {
6fc6879b 406 /* station activity detected; reset timeout state */
3ec1e902
JM		 407 wpa_msg(hapd->msg_ctx, MSG_DEBUG,
408 "Station " MACSTR " has been active %is ago",
24d75245 409 MAC2STR(sta->addr), inactive_sec);
6fc6879b 410 sta->timeout_next = STA_NULLFUNC;
ce28e279 411 next_time = hapd->conf->ap_max_inactivity + fuzz -
6fc6879b 412 inactive_sec;
24d75245 413 } else {
3ec1e902
JM		 414 wpa_msg(hapd->msg_ctx, MSG_DEBUG,
415 "Station " MACSTR " has been "
24d75245
BG		 416 "inactive too long: %d sec, max allowed: %d",
417 MAC2STR(sta->addr), inactive_sec,
418 hapd->conf->ap_max_inactivity);
ef01fa7b
YAP		 419
420 if (hapd->conf->skip_inactivity_poll)
421 sta->timeout_next = STA_DISASSOC;
6fc6879b
JM		 422 }
423 }
424
425 if ((sta->flags & WLAN_STA_ASSOC) &&
426 sta->timeout_next == STA_DISASSOC &&
ef01fa7b
YAP		 427 !(sta->flags & WLAN_STA_PENDING_POLL) &&
428 !hapd->conf->skip_inactivity_poll) {
3ec1e902
JM		 429 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR
430 " has ACKed data poll", MAC2STR(sta->addr));
6fc6879b
JM		 431 /* data nullfunc frame poll did not produce TX errors; assume
432 * station ACKed it */
433 sta->timeout_next = STA_NULLFUNC;
434 next_time = hapd->conf->ap_max_inactivity;
435 }
436
47e5fbde 437skip_poll:
6fc6879b 438 if (next_time) {
42ca9845
JM		 439 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
440 "for " MACSTR " (%lu seconds)",
441 __func__, MAC2STR(sta->addr), next_time);
6fc6879b
JM		 442 eloop_register_timeout(next_time, 0, ap_handle_timer, hapd,
443 sta);
444 return;
445 }
446
447 if (sta->timeout_next == STA_NULLFUNC &&
448 (sta->flags & WLAN_STA_ASSOC)) {
bcf24348 449 wpa_printf(MSG_DEBUG, " Polling STA");
6fc6879b 450 sta->flags |= WLAN_STA_PENDING_POLL;
bcf24348
JB		 451 hostapd_drv_poll_client(hapd, hapd->own_addr, sta->addr,
452 sta->flags & WLAN_STA_WMM);
6fc6879b
JM		 453 } else if (sta->timeout_next != STA_REMOVE) {
454 int deauth = sta->timeout_next == STA_DEAUTH;
455
afcc9ea1
BG		 456 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
457 "Timeout, sending %s info to STA " MACSTR,
458 deauth ? "deauthentication" : "disassociation",
459 MAC2STR(sta->addr));
6fc6879b
JM		 460
461 if (deauth) {
51e2a27a
JM		 462 hostapd_drv_sta_deauth(
463 hapd, sta->addr,
464 WLAN_REASON_PREV_AUTH_NOT_VALID);
6fc6879b 465 } else {
d5b559b6
KP		 466 reason = (sta->timeout_next == STA_DISASSOC) ?
467 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
468 WLAN_REASON_PREV_AUTH_NOT_VALID;
469
470 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
6fc6879b
JM		 471 }
472 }
473
474 switch (sta->timeout_next) {
475 case STA_NULLFUNC:
476 sta->timeout_next = STA_DISASSOC;
42ca9845
JM		 477 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
478 "for " MACSTR " (%d seconds - AP_DISASSOC_DELAY)",
479 __func__, MAC2STR(sta->addr), AP_DISASSOC_DELAY);
6fc6879b
JM		 480 eloop_register_timeout(AP_DISASSOC_DELAY, 0, ap_handle_timer,
481 hapd, sta);
482 break;
483 case STA_DISASSOC:
d5b559b6 484 case STA_DISASSOC_FROM_CLI:
ae055af4 485 ap_sta_set_authorized(hapd, sta, 0);
6fc6879b
JM		 486 sta->flags &= ~WLAN_STA_ASSOC;
487 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
488 if (!sta->acct_terminate_cause)
489 sta->acct_terminate_cause =
490 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
491 accounting_sta_stop(hapd, sta);
d7c3347f 492 ieee802_1x_free_station(hapd, sta);
6fc6879b
JM		 493 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
494 HOSTAPD_LEVEL_INFO, "disassociated due to "
495 "inactivity");
d5b559b6
KP		 496 reason = (sta->timeout_next == STA_DISASSOC) ?
497 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY :
498 WLAN_REASON_PREV_AUTH_NOT_VALID;
6fc6879b 499 sta->timeout_next = STA_DEAUTH;
42ca9845
JM		 500 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
501 "for " MACSTR " (%d seconds - AP_DEAUTH_DELAY)",
502 __func__, MAC2STR(sta->addr), AP_DEAUTH_DELAY);
6fc6879b
JM		 503 eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer,
504 hapd, sta);
d5b559b6 505 mlme_disassociate_indication(hapd, sta, reason);
6fc6879b
JM		 506 break;
507 case STA_DEAUTH:
508 case STA_REMOVE:
509 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
510 HOSTAPD_LEVEL_INFO, "deauthenticated due to "
afcc9ea1 511 "inactivity (timer DEAUTH/REMOVE)");
6fc6879b
JM		 512 if (!sta->acct_terminate_cause)
513 sta->acct_terminate_cause =
514 RADIUS_ACCT_TERMINATE_CAUSE_IDLE_TIMEOUT;
515 mlme_deauthenticate_indication(
516 hapd, sta,
517 WLAN_REASON_PREV_AUTH_NOT_VALID);
518 ap_free_sta(hapd, sta);
519 break;
520 }
521}
522
523
524static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
525{
526 struct hostapd_data *hapd = eloop_ctx;
527 struct sta_info *sta = timeout_ctx;
6fc6879b 528
03269d55
JM		 529 wpa_printf(MSG_DEBUG, "%s: Session timer for STA " MACSTR,
530 hapd->conf->iface, MAC2STR(sta->addr));
dca30c3f
JK		 531 if (!(sta->flags & WLAN_STA_AUTH)) {
532 if (sta->flags & WLAN_STA_GAS) {
533 wpa_printf(MSG_DEBUG, "GAS: Remove temporary STA "
534 "entry " MACSTR, MAC2STR(sta->addr));
535 ap_free_sta(hapd, sta);
536 }
6fc6879b 537 return;
dca30c3f 538 }
6fc6879b 539
0ac38766
JM		 540 hostapd_drv_sta_deauth(hapd, sta->addr,
541 WLAN_REASON_PREV_AUTH_NOT_VALID);
6fc6879b
JM		 542 mlme_deauthenticate_indication(hapd, sta,
543 WLAN_REASON_PREV_AUTH_NOT_VALID);
544 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
545 HOSTAPD_LEVEL_INFO, "deauthenticated due to "
546 "session timeout");
547 sta->acct_terminate_cause =
548 RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
6fc6879b 549 ap_free_sta(hapd, sta);
6fc6879b
JM		 550}
551
552
91f9e607
KP		 553void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
554 u32 session_timeout)
555{
556 if (eloop_replenish_timeout(session_timeout, 0,
a09ffd5f 557 ap_handle_session_timer, hapd, sta) == 1) {
91f9e607
KP		 558 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
559 HOSTAPD_LEVEL_DEBUG, "setting session timeout "
560 "to %d seconds", session_timeout);
561 }
562}
563
564
6fc6879b
JM		 565void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
566 u32 session_timeout)
567{
568 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
569 HOSTAPD_LEVEL_DEBUG, "setting session timeout to %d "
570 "seconds", session_timeout);
571 eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
572 eloop_register_timeout(session_timeout, 0, ap_handle_session_timer,
573 hapd, sta);
574}
575
576
577void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta)
578{
579 eloop_cancel_timeout(ap_handle_session_timer, hapd, sta);
580}
581
582
97596f8e
JM		 583static void ap_handle_session_warning_timer(void *eloop_ctx, void *timeout_ctx)
584{
585#ifdef CONFIG_WNM
586 struct hostapd_data *hapd = eloop_ctx;
587 struct sta_info *sta = timeout_ctx;
588
03269d55
JM		 589 wpa_printf(MSG_DEBUG, "%s: WNM: Session warning time reached for "
590 MACSTR, hapd->conf->iface, MAC2STR(sta->addr));
97596f8e
JM		 591 if (sta->hs20_session_info_url == NULL)
592 return;
593
594 wnm_send_ess_disassoc_imminent(hapd, sta, sta->hs20_session_info_url,
595 sta->hs20_disassoc_timer);
596#endif /* CONFIG_WNM */
597}
598
599
600void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
601 struct sta_info *sta, int warning_time)
602{
603 eloop_cancel_timeout(ap_handle_session_warning_timer, hapd, sta);
604 eloop_register_timeout(warning_time, 0, ap_handle_session_warning_timer,
605 hapd, sta);
606}
607
608
6fc6879b
JM		 609struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
610{
611 struct sta_info *sta;
612
613 sta = ap_get_sta(hapd, addr);
614 if (sta)
615 return sta;
616
617 wpa_printf(MSG_DEBUG, " New STA");
618 if (hapd->num_sta >= hapd->conf->max_num_sta) {
619 /* FIX: might try to remove some old STAs first? */
620 wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
621 hapd->num_sta, hapd->conf->max_num_sta);
622 return NULL;
623 }
624
625 sta = os_zalloc(sizeof(struct sta_info));
626 if (sta == NULL) {
627 wpa_printf(MSG_ERROR, "malloc failed");
628 return NULL;
629 }
5843e1c9 630 sta->acct_interim_interval = hapd->conf->acct_interim_interval;
d72a0053
NL		 631 if (accounting_sta_get_id(hapd, sta) < 0) {
632 os_free(sta);
633 return NULL;
634 }
6fc6879b 635
336167c8
MSS		 636 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
637 wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
638 "for " MACSTR " (%d seconds - ap_max_inactivity)",
639 __func__, MAC2STR(addr),
640 hapd->conf->ap_max_inactivity);
641 eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
642 ap_handle_timer, hapd, sta);
643 }
644
6fc6879b 645 /* initialize STA info data */
6fc6879b
JM		 646 os_memcpy(sta->addr, addr, ETH_ALEN);
647 sta->next = hapd->sta_list;
648 hapd->sta_list = sta;
649 hapd->num_sta++;
650 ap_sta_hash_add(hapd, sta);
53f3d6f3 651 ap_sta_remove_in_other_bss(hapd, sta);
38cb0a2d 652 sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
bd00c431 653 dl_list_init(&sta->ip6addr);
6fc6879b
JM		 654
655 return sta;
656}
657
658
659static int ap_sta_remove(struct hostapd_data *hapd, struct sta_info *sta)
660{
661 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
662
7d597d46 663 if (sta->ipaddr)
ed4ddb6d 664 hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
bd00c431 665 ap_sta_ip6addr_del(hapd, sta);
7d597d46 666
03269d55
JM		 667 wpa_printf(MSG_DEBUG, "%s: Removing STA " MACSTR " from kernel driver",
668 hapd->conf->iface, MAC2STR(sta->addr));
51e2a27a 669 if (hostapd_drv_sta_remove(hapd, sta->addr) &&
6fc6879b 670 sta->flags & WLAN_STA_ASSOC) {
03269d55
JM		 671 wpa_printf(MSG_DEBUG, "%s: Could not remove station " MACSTR
672 " from kernel driver",
673 hapd->conf->iface, MAC2STR(sta->addr));
6fc6879b
JM		 674 return -1;
675 }
676 return 0;
677}
678
679
53f3d6f3
FF		 680static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
681 struct sta_info *sta)
6fc6879b
JM		 682{
683 struct hostapd_iface *iface = hapd->iface;
684 size_t i;
685
686 for (i = 0; i < iface->num_bss; i++) {
687 struct hostapd_data *bss = iface->bss[i];
688 struct sta_info *sta2;
689 /* bss should always be set during operation, but it may be
690 * NULL during reconfiguration. Assume the STA is not
691 * associated to another BSS in that case to avoid NULL pointer
692 * dereferences. */
693 if (bss == hapd || bss == NULL)
694 continue;
695 sta2 = ap_get_sta(bss, sta->addr);
53f3d6f3
FF		 696 if (!sta2)
697 continue;
6fc6879b 698
03269d55
JM		 699 wpa_printf(MSG_DEBUG, "%s: disconnect old STA " MACSTR
700 " association from another BSS %s",
701 hapd->conf->iface, MAC2STR(sta2->addr),
702 bss->conf->iface);
53f3d6f3
FF		 703 ap_sta_disconnect(bss, sta2, sta2->addr,
704 WLAN_REASON_PREV_AUTH_NOT_VALID);
705 }
6fc6879b
JM		 706}
707
708
4dc03726
JM		 709static void ap_sta_disassoc_cb_timeout(void *eloop_ctx, void *timeout_ctx)
710{
711 struct hostapd_data *hapd = eloop_ctx;
712 struct sta_info *sta = timeout_ctx;
713
03269d55
JM		 714 wpa_printf(MSG_DEBUG, "%s: Disassociation callback for STA " MACSTR,
715 hapd->conf->iface, MAC2STR(sta->addr));
4dc03726
JM		 716 ap_sta_remove(hapd, sta);
717 mlme_disassociate_indication(hapd, sta, sta->disassoc_reason);
718}
719
720
6fc6879b
JM		 721void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
722 u16 reason)
723{
724 wpa_printf(MSG_DEBUG, "%s: disassociate STA " MACSTR,
725 hapd->conf->iface, MAC2STR(sta->addr));
38cb0a2d 726 sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
ba873c12 727 sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
4dc03726 728 ap_sta_set_authorized(hapd, sta, 0);
6fc6879b 729 sta->timeout_next = STA_DEAUTH;
42ca9845
JM		 730 wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
731 "for " MACSTR " (%d seconds - "
732 "AP_MAX_INACTIVITY_AFTER_DISASSOC)",
733 __func__, MAC2STR(sta->addr),
734 AP_MAX_INACTIVITY_AFTER_DISASSOC);
6fc6879b
JM		 735 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
736 eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DISASSOC, 0,
737 ap_handle_timer, hapd, sta);
738 accounting_sta_stop(hapd, sta);
d7c3347f 739 ieee802_1x_free_station(hapd, sta);
6fc6879b 740
4dc03726 741 sta->disassoc_reason = reason;
cc28ad8c 742 sta->flags |= WLAN_STA_PENDING_DISASSOC_CB;
4dc03726
JM		 743 eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
744 eloop_register_timeout(hapd->iface->drv_flags &
745 WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
746 ap_sta_disassoc_cb_timeout, hapd, sta);
747}
748
749
750static void ap_sta_deauth_cb_timeout(void *eloop_ctx, void *timeout_ctx)
751{
752 struct hostapd_data *hapd = eloop_ctx;
753 struct sta_info *sta = timeout_ctx;
754
03269d55
JM		 755 wpa_printf(MSG_DEBUG, "%s: Deauthentication callback for STA " MACSTR,
756 hapd->conf->iface, MAC2STR(sta->addr));
4dc03726
JM		 757 ap_sta_remove(hapd, sta);
758 mlme_deauthenticate_indication(hapd, sta, sta->deauth_reason);
6fc6879b
JM		 759}
760
761
762void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
763 u16 reason)
764{
765 wpa_printf(MSG_DEBUG, "%s: deauthenticate STA " MACSTR,
766 hapd->conf->iface, MAC2STR(sta->addr));
38cb0a2d 767 sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
631739b3 768 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
4dc03726 769 ap_sta_set_authorized(hapd, sta, 0);
6fc6879b 770 sta->timeout_next = STA_REMOVE;
42ca9845
JM		 771 wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
772 "for " MACSTR " (%d seconds - "
773 "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
774 __func__, MAC2STR(sta->addr),
775 AP_MAX_INACTIVITY_AFTER_DEAUTH);
6fc6879b
JM		 776 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
777 eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
778 ap_handle_timer, hapd, sta);
779 accounting_sta_stop(hapd, sta);
d7c3347f 780 ieee802_1x_free_station(hapd, sta);
6fc6879b 781
4dc03726 782 sta->deauth_reason = reason;
cc28ad8c 783 sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
4dc03726
JM		 784 eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
785 eloop_register_timeout(hapd->iface->drv_flags &
786 WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
787 ap_sta_deauth_cb_timeout, hapd, sta);
6fc6879b
JM		 788}
789
790
4c374cde
AS		 791#ifdef CONFIG_WPS
792int ap_sta_wps_cancel(struct hostapd_data *hapd,
793 struct sta_info *sta, void *ctx)
794{
795 if (sta && (sta->flags & WLAN_STA_WPS)) {
796 ap_sta_deauthenticate(hapd, sta,
797 WLAN_REASON_PREV_AUTH_NOT_VALID);
798 wpa_printf(MSG_DEBUG, "WPS: %s: Deauth sta=" MACSTR,
799 __func__, MAC2STR(sta->addr));
800 return 1;
801 }
802
803 return 0;
804}
805#endif /* CONFIG_WPS */
806
807
1889af2e
MB		 808int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta,
809 struct vlan_description *vlan_desc)
810{
811 struct hostapd_vlan *vlan = NULL, *wildcard_vlan = NULL;
812 int old_vlan_id, vlan_id = 0, ret = 0;
813
814 if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_DISABLED) {
815 vlan_desc = NULL;
816 } else if (vlan_desc && vlan_desc->notempty) {
817 if (!vlan_compare(vlan_desc, sta->vlan_desc))
818 return 0; /* nothing to change */
819
820 for (vlan = hapd->conf->vlan; vlan; vlan = vlan->next) {
821 if (!vlan_compare(&vlan->vlan_desc, vlan_desc))
822 break;
823 if (vlan->vlan_id == VLAN_ID_WILDCARD)
824 wildcard_vlan = vlan;
825 }
826 if (vlan) {
827 vlan_id = vlan->vlan_id;
828 } else if (wildcard_vlan) {
829 vlan = wildcard_vlan;
830 vlan_id = vlan_desc->untagged;
831 } else {
832 hostapd_logger(hapd, sta->addr,
833 HOSTAPD_MODULE_IEEE80211,
834 HOSTAPD_LEVEL_DEBUG,
835 "missing VLAN and wildcard for vlan=%d",
836 vlan_desc->untagged);
837 vlan_id = 0;
838 ret = -1;
839 goto done;
840 }
841 }
842
843 if (vlan && vlan->vlan_id == VLAN_ID_WILDCARD) {
844 vlan = vlan_add_dynamic(hapd, vlan, vlan_id, vlan_desc);
845 if (vlan == NULL) {
846 hostapd_logger(hapd, sta->addr,
847 HOSTAPD_MODULE_IEEE80211,
848 HOSTAPD_LEVEL_DEBUG,
849 "could not add dynamic VLAN interface for vlan=%d",
850 vlan_desc->untagged);
851 vlan_id = 0;
852 ret = -1;
853 goto done;
854 }
855
856 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
857 HOSTAPD_LEVEL_DEBUG,
858 "added new dynamic VLAN interface '%s'",
859 vlan->ifname);
860 } else if (vlan && vlan->dynamic_vlan > 0) {
861 vlan->dynamic_vlan++;
862 hostapd_logger(hapd, sta->addr,
863 HOSTAPD_MODULE_IEEE80211,
864 HOSTAPD_LEVEL_DEBUG,
865 "updated existing dynamic VLAN interface '%s'",
866 vlan->ifname);
867 }
868done:
869 old_vlan_id = sta->vlan_id;
870 sta->vlan_id = vlan_id;
871 sta->vlan_desc = vlan ? &vlan->vlan_desc : NULL;
872
873 if (vlan_id != old_vlan_id && old_vlan_id)
874 vlan_remove_dynamic(hapd, old_vlan_id);
875
876 return ret;
877}
878
879
c8e6beab 880int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta)
6fc6879b 881{
30b32314 882#ifndef CONFIG_NO_VLAN
6fc6879b
JM		 883 const char *iface;
884 struct hostapd_vlan *vlan = NULL;
4254100d 885 int ret;
c8e6beab 886 int old_vlanid = sta->vlan_id_bound;
6fc6879b 887
6fc6879b 888 iface = hapd->conf->iface;
f41ded6f
JM		 889 if (hapd->conf->ssid.vlan[0])
890 iface = hapd->conf->ssid.vlan;
6fc6879b 891
1889af2e
MB		 892 if (sta->vlan_id > 0) {
893 for (vlan = hapd->conf->vlan; vlan; vlan = vlan->next) {
c2db79f2 894 if (vlan->vlan_id == sta->vlan_id)
6fc6879b 895 break;
6fc6879b 896 }
c2db79f2
MB		 897 if (vlan)
898 iface = vlan->ifname;
6fc6879b
JM		 899 }
900
c8e6beab
MB		 901 /*
902 * Do not increment ref counters if the VLAN ID remains same, but do
903 * not skip hostapd_drv_set_sta_vlan() as hostapd_drv_sta_remove() might
904 * have been called before.
905 */
906 if (sta->vlan_id == old_vlanid)
907 goto skip_counting;
908
6fc6879b
JM		 909 if (sta->vlan_id > 0 && vlan == NULL) {
910 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
911 HOSTAPD_LEVEL_DEBUG, "could not find VLAN for "
912 "binding station to (vlan_id=%d)",
913 sta->vlan_id);
2dd4f3ae
JM		 914 ret = -1;
915 goto done;
1889af2e 916 } else if (vlan && vlan->dynamic_vlan > 0) {
41d62107
MB		 917 vlan->dynamic_vlan++;
918 hostapd_logger(hapd, sta->addr,
919 HOSTAPD_MODULE_IEEE80211,
920 HOSTAPD_LEVEL_DEBUG,
921 "updated existing dynamic VLAN interface '%s'",
922 iface);
6fc6879b
JM		 923 }
924
c8e6beab
MB		 925 /* ref counters have been increased, so mark the station */
926 sta->vlan_id_bound = sta->vlan_id;
927
928skip_counting:
6fc6879b
JM		 929 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
930 HOSTAPD_LEVEL_DEBUG, "binding station to interface "
931 "'%s'", iface);
932
933 if (wpa_auth_sta_set_vlan(sta->wpa_sm, sta->vlan_id) < 0)
934 wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
935
51e2a27a 936 ret = hostapd_drv_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
4254100d
JM		 937 if (ret < 0) {
938 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
939 HOSTAPD_LEVEL_DEBUG, "could not bind the STA "
940 "entry to vlan_id=%d", sta->vlan_id);
941 }
2dd4f3ae 942
2dd4f3ae 943 /* During 1x reauth, if the vlan id changes, then remove the old id. */
c8e6beab 944 if (old_vlanid > 0 && old_vlanid != sta->vlan_id)
2dd4f3ae 945 vlan_remove_dynamic(hapd, old_vlanid);
c8e6beab 946done:
2dd4f3ae 947
4254100d 948 return ret;
30b32314
JM		 949#else /* CONFIG_NO_VLAN */
950 return 0;
951#endif /* CONFIG_NO_VLAN */
6fc6879b 952}
5d22a1d5
JM		 953
954
955#ifdef CONFIG_IEEE80211W
956
45c94154 957int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
5d22a1d5 958{
45c94154 959 u32 tu;
10e694a6
JB		 960 struct os_reltime now, passed;
961 os_get_reltime(&now);
962 os_reltime_sub(&now, &sta->sa_query_start, &passed);
45c94154
JM		 963 tu = (passed.sec * 1000000 + passed.usec) / 1024;
964 if (hapd->conf->assoc_sa_query_max_timeout < tu) {
965 hostapd_logger(hapd, sta->addr,
966 HOSTAPD_MODULE_IEEE80211,
5d22a1d5 967 HOSTAPD_LEVEL_DEBUG,
93b76319
JM		 968 "association SA Query timed out");
969 sta->sa_query_timed_out = 1;
970 os_free(sta->sa_query_trans_id);
971 sta->sa_query_trans_id = NULL;
972 sta->sa_query_count = 0;
45c94154
JM		 973 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
974 return 1;
5d22a1d5
JM		 975 }
976
45c94154
JM		 977 return 0;
978}
979
980
981static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
982{
983 struct hostapd_data *hapd = eloop_ctx;
984 struct sta_info *sta = timeout_ctx;
985 unsigned int timeout, sec, usec;
986 u8 *trans_id, *nbuf;
987
03269d55
JM		 988 wpa_printf(MSG_DEBUG, "%s: SA Query timer for STA " MACSTR
989 " (count=%d)",
990 hapd->conf->iface, MAC2STR(sta->addr), sta->sa_query_count);
991
45c94154
JM		 992 if (sta->sa_query_count > 0 &&
993 ap_check_sa_query_timeout(hapd, sta))
994 return;
995
067ffa26
JM		 996 nbuf = os_realloc_array(sta->sa_query_trans_id,
997 sta->sa_query_count + 1,
998 WLAN_SA_QUERY_TR_ID_LEN);
5d22a1d5
JM		 999 if (nbuf == NULL)
1000 return;
45c94154
JM		 1001 if (sta->sa_query_count == 0) {
1002 /* Starting a new SA Query procedure */
10e694a6 1003 os_get_reltime(&sta->sa_query_start);
45c94154 1004 }
93b76319
JM		 1005 trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
1006 sta->sa_query_trans_id = nbuf;
1007 sta->sa_query_count++;
5d22a1d5 1008
24661bba
JM		 1009 if (os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0) {
1010 /*
1011 * We don't really care which ID is used here, so simply
1012 * hardcode this if the mostly theoretical os_get_random()
1013 * failure happens.
1014 */
1015 trans_id[0] = 0x12;
1016 trans_id[1] = 0x34;
1017 }
5d22a1d5 1018
45c94154
JM		 1019 timeout = hapd->conf->assoc_sa_query_retry_timeout;
1020 sec = ((timeout / 1000) * 1024) / 1000;
1021 usec = (timeout % 1000) * 1024;
1022 eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
1023
5d22a1d5
JM		 1024 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1025 HOSTAPD_LEVEL_DEBUG,
93b76319 1026 "association SA Query attempt %d", sta->sa_query_count);
5d22a1d5 1027
93b76319 1028 ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
5d22a1d5
JM		 1029}
1030
1031
93b76319 1032void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
5d22a1d5 1033{
93b76319 1034 ap_sa_query_timer(hapd, sta);
5d22a1d5
JM		 1035}
1036
1037
93b76319 1038void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
5d22a1d5 1039{
93b76319
JM		 1040 eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
1041 os_free(sta->sa_query_trans_id);
1042 sta->sa_query_trans_id = NULL;
1043 sta->sa_query_count = 0;
5d22a1d5
JM		 1044}
1045
1046#endif /* CONFIG_IEEE80211W */
45cefa0b
JM		 1047
1048
6905dcb1
JB		 1049void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta,
1050 int authorized)
1051{
10cc6c88 1052 const u8 *dev_addr = NULL;
7793c959 1053 char buf[100];
c2d76aa6
MH		 1054#ifdef CONFIG_P2P
1055 u8 addr[ETH_ALEN];
25ef8529 1056 u8 ip_addr_buf[4];
c2d76aa6
MH		 1057#endif /* CONFIG_P2P */
1058
6905dcb1
JB		 1059 if (!!authorized == !!(sta->flags & WLAN_STA_AUTHORIZED))
1060 return;
1061
61fc9048
SD		 1062 if (authorized)
1063 sta->flags |= WLAN_STA_AUTHORIZED;
1064 else
1065 sta->flags &= ~WLAN_STA_AUTHORIZED;
1066
ae055af4 1067#ifdef CONFIG_P2P
c2d76aa6
MH		 1068 if (hapd->p2p_group == NULL) {
1069 if (sta->p2p_ie != NULL &&
1070 p2p_parse_dev_addr_in_p2p_ie(sta->p2p_ie, addr) == 0)
1071 dev_addr = addr;
1072 } else
1073 dev_addr = p2p_group_get_dev_addr(hapd->p2p_group, sta->addr);
10cc6c88 1074
7793c959
JM		 1075 if (dev_addr)
1076 os_snprintf(buf, sizeof(buf), MACSTR " p2p_dev_addr=" MACSTR,
1077 MAC2STR(sta->addr), MAC2STR(dev_addr));
1078 else
375f4a3b 1079#endif /* CONFIG_P2P */
7793c959
JM		 1080 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
1081
61fc9048
SD		 1082 if (hapd->sta_authorized_cb)
1083 hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
1084 sta->addr, authorized, dev_addr);
1085
10cc6c88 1086 if (authorized) {
25ef8529
JM		 1087 char ip_addr[100];
1088 ip_addr[0] = '\0';
1089#ifdef CONFIG_P2P
1090 if (wpa_auth_get_ip_addr(sta->wpa_sm, ip_addr_buf) == 0) {
1091 os_snprintf(ip_addr, sizeof(ip_addr),
1092 " ip_addr=%u.%u.%u.%u",
1093 ip_addr_buf[0], ip_addr_buf[1],
1094 ip_addr_buf[2], ip_addr_buf[3]);
1095 }
1096#endif /* CONFIG_P2P */
1097
1098 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_CONNECTED "%s%s",
1099 buf, ip_addr);
7793c959 1100
8a5e75f6 1101 if (hapd->msg_ctx_parent &&
7793c959 1102 hapd->msg_ctx_parent != hapd->msg_ctx)
c4bf83a7 1103 wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
25ef8529
JM		 1104 AP_STA_CONNECTED "%s%s",
1105 buf, ip_addr);
ae055af4 1106 } else {
7793c959
JM		 1107 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED "%s", buf);
1108
8a5e75f6 1109 if (hapd->msg_ctx_parent &&
7793c959 1110 hapd->msg_ctx_parent != hapd->msg_ctx)
c4bf83a7
JM		 1111 wpa_msg_no_global(hapd->msg_ctx_parent, MSG_INFO,
1112 AP_STA_DISCONNECTED "%s", buf);
ae055af4 1113 }
6959145b
AN		 1114
1115#ifdef CONFIG_FST
1116 if (hapd->iface->fst) {
1117 if (authorized)
1118 fst_notify_peer_connected(hapd->iface->fst, sta->addr);
1119 else
1120 fst_notify_peer_disconnected(hapd->iface->fst,
1121 sta->addr);
1122 }
1123#endif /* CONFIG_FST */
6905dcb1
JB		 1124}
1125
1126
45cefa0b
JM		 1127void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
1128 const u8 *addr, u16 reason)
1129{
03269d55
JM		 1130 if (sta)
1131 wpa_printf(MSG_DEBUG, "%s: %s STA " MACSTR " reason=%u",
1132 hapd->conf->iface, __func__, MAC2STR(sta->addr),
1133 reason);
1134 else if (addr)
1135 wpa_printf(MSG_DEBUG, "%s: %s addr " MACSTR " reason=%u",
1136 hapd->conf->iface, __func__, MAC2STR(addr),
1137 reason);
45cefa0b
JM		 1138
1139 if (sta == NULL && addr)
1140 sta = ap_get_sta(hapd, addr);
1141
1142 if (addr)
51e2a27a 1143 hostapd_drv_sta_deauth(hapd, addr, reason);
45cefa0b
JM		 1144
1145 if (sta == NULL)
1146 return;
6905dcb1 1147 ap_sta_set_authorized(hapd, sta, 0);
ceb997f3
JM		 1148 wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
1149 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
6905dcb1 1150 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
03269d55 1151 wpa_printf(MSG_DEBUG, "%s: %s: reschedule ap_handle_timer timeout "
42ca9845
JM		 1152 "for " MACSTR " (%d seconds - "
1153 "AP_MAX_INACTIVITY_AFTER_DEAUTH)",
03269d55 1154 hapd->conf->iface, __func__, MAC2STR(sta->addr),
42ca9845 1155 AP_MAX_INACTIVITY_AFTER_DEAUTH);
45cefa0b 1156 eloop_cancel_timeout(ap_handle_timer, hapd, sta);
4dc03726
JM		 1157 eloop_register_timeout(AP_MAX_INACTIVITY_AFTER_DEAUTH, 0,
1158 ap_handle_timer, hapd, sta);
45cefa0b 1159 sta->timeout_next = STA_REMOVE;
4dc03726
JM		 1160
1161 sta->deauth_reason = reason;
cc28ad8c 1162 sta->flags |= WLAN_STA_PENDING_DEAUTH_CB;
4dc03726
JM		 1163 eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1164 eloop_register_timeout(hapd->iface->drv_flags &
1165 WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS ? 2 : 0, 0,
1166 ap_sta_deauth_cb_timeout, hapd, sta);
1167}
1168
1169
1170void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta)
1171{
cc28ad8c
JM		 1172 if (!(sta->flags & WLAN_STA_PENDING_DEAUTH_CB)) {
1173 wpa_printf(MSG_DEBUG, "Ignore deauth cb for test frame");
1174 return;
1175 }
1176 sta->flags &= ~WLAN_STA_PENDING_DEAUTH_CB;
4dc03726
JM		 1177 eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta);
1178 ap_sta_deauth_cb_timeout(hapd, sta);
1179}
1180
1181
1182void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta)
1183{
cc28ad8c
JM		 1184 if (!(sta->flags & WLAN_STA_PENDING_DISASSOC_CB)) {
1185 wpa_printf(MSG_DEBUG, "Ignore disassoc cb for test frame");
1186 return;
1187 }
1188 sta->flags &= ~WLAN_STA_PENDING_DISASSOC_CB;
1189 eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta);
1190 ap_sta_disassoc_cb_timeout(hapd, sta);
45cefa0b 1191}
b76f4c27
JM		 1192
1193
9e8fde21
JM		 1194void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd,
1195 struct sta_info *sta)
1196{
1197 if (eloop_cancel_timeout(ap_sta_deauth_cb_timeout, hapd, sta) > 0)
1198 wpa_printf(MSG_DEBUG,
1199 "%s: Removed ap_sta_deauth_cb_timeout timeout for "
1200 MACSTR,
1201 hapd->conf->iface, MAC2STR(sta->addr));
1202 if (eloop_cancel_timeout(ap_sta_disassoc_cb_timeout, hapd, sta) > 0)
1203 wpa_printf(MSG_DEBUG,
1204 "%s: Removed ap_sta_disassoc_cb_timeout timeout for "
1205 MACSTR,
1206 hapd->conf->iface, MAC2STR(sta->addr));
1207}
1208
1209
b76f4c27
JM		 1210int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen)
1211{
1212 int res;
1213
1214 buf[0] = '\0';
e7d0e97b 1215 res = os_snprintf(buf, buflen, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
b76f4c27
JM		 1216 (flags & WLAN_STA_AUTH ? "[AUTH]" : ""),
1217 (flags & WLAN_STA_ASSOC ? "[ASSOC]" : ""),
1218 (flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : ""),
1219 (flags & WLAN_STA_PENDING_POLL ? "[PENDING_POLL" :
1220 ""),
1221 (flags & WLAN_STA_SHORT_PREAMBLE ?
1222 "[SHORT_PREAMBLE]" : ""),
1223 (flags & WLAN_STA_PREAUTH ? "[PREAUTH]" : ""),
1224 (flags & WLAN_STA_WMM ? "[WMM]" : ""),
1225 (flags & WLAN_STA_MFP ? "[MFP]" : ""),
1226 (flags & WLAN_STA_WPS ? "[WPS]" : ""),
1227 (flags & WLAN_STA_MAYBE_WPS ? "[MAYBE_WPS]" : ""),
1228 (flags & WLAN_STA_WDS ? "[WDS]" : ""),
1229 (flags & WLAN_STA_NONERP ? "[NonERP]" : ""),
1230 (flags & WLAN_STA_WPS2 ? "[WPS2]" : ""),
1231 (flags & WLAN_STA_GAS ? "[GAS]" : ""),
1232 (flags & WLAN_STA_VHT ? "[VHT]" : ""),
e7d0e97b 1233 (flags & WLAN_STA_VENDOR_VHT ? "[VENDOR_VHT]" : ""),
b76f4c27
JM		 1234 (flags & WLAN_STA_WNM_SLEEP_MODE ?
1235 "[WNM_SLEEP_MODE]" : ""));
aaadd727
JM		 1236 if (os_snprintf_error(buflen, res))
1237 res = -1;
b76f4c27
JM		 1238
1239 return res;
1240}
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