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OCV: Include and verify OCI in SA Query frames
[thirdparty/hostap.git] / src / ap / drv_callbacks.c
1 /*
2 * hostapd / Callback functions for driver wrappers
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 "radius/radius.h"
14 #include "drivers/driver.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/ieee802_11_common.h"
17 #include "common/wpa_ctrl.h"
18 #include "crypto/random.h"
19 #include "p2p/p2p.h"
20 #include "wps/wps.h"
21 #include "fst/fst.h"
22 #include "wnm_ap.h"
23 #include "hostapd.h"
24 #include "ieee802_11.h"
25 #include "ieee802_11_auth.h"
26 #include "sta_info.h"
27 #include "accounting.h"
28 #include "tkip_countermeasures.h"
29 #include "ieee802_1x.h"
30 #include "wpa_auth.h"
31 #include "wps_hostapd.h"
32 #include "ap_drv_ops.h"
33 #include "ap_config.h"
34 #include "ap_mlme.h"
35 #include "hw_features.h"
36 #include "dfs.h"
37 #include "beacon.h"
38 #include "mbo_ap.h"
39 #include "dpp_hostapd.h"
40 #include "fils_hlp.h"
41
42
43 #ifdef CONFIG_FILS
44 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
45 struct sta_info *sta)
46 {
47 u16 reply_res = WLAN_STATUS_SUCCESS;
48 struct ieee802_11_elems elems;
49 u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
50 int new_assoc;
51
52 wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
53 __func__, MAC2STR(sta->addr));
54 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
55 if (!sta->fils_pending_assoc_req)
56 return;
57
58 ieee802_11_parse_elems(sta->fils_pending_assoc_req,
59 sta->fils_pending_assoc_req_len, &elems, 0);
60 if (!elems.fils_session) {
61 wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
62 __func__);
63 return;
64 }
65
66 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
67 elems.fils_session,
68 sta->fils_hlp_resp);
69
70 reply_res = hostapd_sta_assoc(hapd, sta->addr,
71 sta->fils_pending_assoc_is_reassoc,
72 WLAN_STATUS_SUCCESS,
73 buf, p - buf);
74 ap_sta_set_authorized(hapd, sta, 1);
75 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
76 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
77 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
78 hostapd_set_sta_flags(hapd, sta);
79 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
80 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
81 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
82 os_free(sta->fils_pending_assoc_req);
83 sta->fils_pending_assoc_req = NULL;
84 sta->fils_pending_assoc_req_len = 0;
85 wpabuf_free(sta->fils_hlp_resp);
86 sta->fils_hlp_resp = NULL;
87 wpabuf_free(sta->hlp_dhcp_discover);
88 sta->hlp_dhcp_discover = NULL;
89 fils_hlp_deinit(hapd);
90
91 /*
92 * Remove the station in case transmission of a success response fails
93 * (the STA was added associated to the driver) or if the station was
94 * previously added unassociated.
95 */
96 if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
97 hostapd_drv_sta_remove(hapd, sta->addr);
98 sta->added_unassoc = 0;
99 }
100 }
101 #endif /* CONFIG_FILS */
102
103
104 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
105 const u8 *req_ies, size_t req_ies_len, int reassoc)
106 {
107 struct sta_info *sta;
108 int new_assoc, res;
109 struct ieee802_11_elems elems;
110 const u8 *ie;
111 size_t ielen;
112 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
113 u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
114 u8 *p = buf;
115 #endif /* CONFIG_IEEE80211R_AP || CONFIG_IEEE80211W || CONFIG_FILS || CONFIG_OWE */
116 u16 reason = WLAN_REASON_UNSPECIFIED;
117 u16 status = WLAN_STATUS_SUCCESS;
118 const u8 *p2p_dev_addr = NULL;
119
120 if (addr == NULL) {
121 /*
122 * This could potentially happen with unexpected event from the
123 * driver wrapper. This was seen at least in one case where the
124 * driver ended up being set to station mode while hostapd was
125 * running, so better make sure we stop processing such an
126 * event here.
127 */
128 wpa_printf(MSG_DEBUG,
129 "hostapd_notif_assoc: Skip event with no address");
130 return -1;
131 }
132 random_add_randomness(addr, ETH_ALEN);
133
134 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
135 HOSTAPD_LEVEL_INFO, "associated");
136
137 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
138 if (elems.wps_ie) {
139 ie = elems.wps_ie - 2;
140 ielen = elems.wps_ie_len + 2;
141 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
142 } else if (elems.rsn_ie) {
143 ie = elems.rsn_ie - 2;
144 ielen = elems.rsn_ie_len + 2;
145 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
146 } else if (elems.wpa_ie) {
147 ie = elems.wpa_ie - 2;
148 ielen = elems.wpa_ie_len + 2;
149 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
150 #ifdef CONFIG_HS20
151 } else if (elems.osen) {
152 ie = elems.osen - 2;
153 ielen = elems.osen_len + 2;
154 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
155 #endif /* CONFIG_HS20 */
156 } else {
157 ie = NULL;
158 ielen = 0;
159 wpa_printf(MSG_DEBUG,
160 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
161 }
162
163 sta = ap_get_sta(hapd, addr);
164 if (sta) {
165 ap_sta_no_session_timeout(hapd, sta);
166 accounting_sta_stop(hapd, sta);
167
168 /*
169 * Make sure that the previously registered inactivity timer
170 * will not remove the STA immediately.
171 */
172 sta->timeout_next = STA_NULLFUNC;
173 } else {
174 sta = ap_sta_add(hapd, addr);
175 if (sta == NULL) {
176 hostapd_drv_sta_disassoc(hapd, addr,
177 WLAN_REASON_DISASSOC_AP_BUSY);
178 return -1;
179 }
180 }
181 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
182
183 /*
184 * ACL configurations to the drivers (implementing AP SME and ACL
185 * offload) without hostapd's knowledge, can result in a disconnection
186 * though the driver accepts the connection. Skip the hostapd check for
187 * ACL if the driver supports ACL offload to avoid potentially
188 * conflicting ACL rules.
189 */
190 if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
191 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
192 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
193 MAC2STR(addr));
194 reason = WLAN_REASON_UNSPECIFIED;
195 goto fail;
196 }
197
198 #ifdef CONFIG_P2P
199 if (elems.p2p) {
200 wpabuf_free(sta->p2p_ie);
201 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
202 P2P_IE_VENDOR_TYPE);
203 if (sta->p2p_ie)
204 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
205 }
206 #endif /* CONFIG_P2P */
207
208 #ifdef CONFIG_IEEE80211N
209 #ifdef NEED_AP_MLME
210 if (elems.ht_capabilities &&
211 (hapd->iface->conf->ht_capab &
212 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
213 struct ieee80211_ht_capabilities *ht_cap =
214 (struct ieee80211_ht_capabilities *)
215 elems.ht_capabilities;
216
217 if (le_to_host16(ht_cap->ht_capabilities_info) &
218 HT_CAP_INFO_40MHZ_INTOLERANT)
219 ht40_intolerant_add(hapd->iface, sta);
220 }
221 #endif /* NEED_AP_MLME */
222 #endif /* CONFIG_IEEE80211N */
223
224 #ifdef CONFIG_INTERWORKING
225 if (elems.ext_capab && elems.ext_capab_len > 4) {
226 if (elems.ext_capab[4] & 0x01)
227 sta->qos_map_enabled = 1;
228 }
229 #endif /* CONFIG_INTERWORKING */
230
231 #ifdef CONFIG_HS20
232 wpabuf_free(sta->hs20_ie);
233 if (elems.hs20 && elems.hs20_len > 4) {
234 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
235 elems.hs20_len - 4);
236 } else
237 sta->hs20_ie = NULL;
238
239 wpabuf_free(sta->roaming_consortium);
240 if (elems.roaming_cons_sel)
241 sta->roaming_consortium = wpabuf_alloc_copy(
242 elems.roaming_cons_sel + 4,
243 elems.roaming_cons_sel_len - 4);
244 else
245 sta->roaming_consortium = NULL;
246 #endif /* CONFIG_HS20 */
247
248 #ifdef CONFIG_FST
249 wpabuf_free(sta->mb_ies);
250 if (hapd->iface->fst)
251 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
252 else
253 sta->mb_ies = NULL;
254 #endif /* CONFIG_FST */
255
256 mbo_ap_check_sta_assoc(hapd, sta, &elems);
257
258 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
259 elems.supp_op_classes_len);
260
261 if (hapd->conf->wpa) {
262 if (ie == NULL || ielen == 0) {
263 #ifdef CONFIG_WPS
264 if (hapd->conf->wps_state) {
265 wpa_printf(MSG_DEBUG,
266 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
267 sta->flags |= WLAN_STA_MAYBE_WPS;
268 goto skip_wpa_check;
269 }
270 #endif /* CONFIG_WPS */
271
272 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
273 reason = WLAN_REASON_INVALID_IE;
274 status = WLAN_STATUS_INVALID_IE;
275 goto fail;
276 }
277 #ifdef CONFIG_WPS
278 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
279 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
280 struct wpabuf *wps;
281
282 sta->flags |= WLAN_STA_WPS;
283 wps = ieee802_11_vendor_ie_concat(ie, ielen,
284 WPS_IE_VENDOR_TYPE);
285 if (wps) {
286 if (wps_is_20(wps)) {
287 wpa_printf(MSG_DEBUG,
288 "WPS: STA supports WPS 2.0");
289 sta->flags |= WLAN_STA_WPS2;
290 }
291 wpabuf_free(wps);
292 }
293 goto skip_wpa_check;
294 }
295 #endif /* CONFIG_WPS */
296
297 if (sta->wpa_sm == NULL)
298 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
299 sta->addr,
300 p2p_dev_addr);
301 if (sta->wpa_sm == NULL) {
302 wpa_printf(MSG_ERROR,
303 "Failed to initialize WPA state machine");
304 return -1;
305 }
306 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
307 ie, ielen,
308 elems.mdie, elems.mdie_len,
309 elems.owe_dh, elems.owe_dh_len);
310 if (res != WPA_IE_OK) {
311 wpa_printf(MSG_DEBUG,
312 "WPA/RSN information element rejected? (res %u)",
313 res);
314 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
315 if (res == WPA_INVALID_GROUP) {
316 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
317 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
318 } else if (res == WPA_INVALID_PAIRWISE) {
319 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
320 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
321 } else if (res == WPA_INVALID_AKMP) {
322 reason = WLAN_REASON_AKMP_NOT_VALID;
323 status = WLAN_STATUS_AKMP_NOT_VALID;
324 }
325 #ifdef CONFIG_IEEE80211W
326 else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
327 reason = WLAN_REASON_INVALID_IE;
328 status = WLAN_STATUS_INVALID_IE;
329 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
330 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
331 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
332 }
333 #endif /* CONFIG_IEEE80211W */
334 else {
335 reason = WLAN_REASON_INVALID_IE;
336 status = WLAN_STATUS_INVALID_IE;
337 }
338 goto fail;
339 }
340 #ifdef CONFIG_IEEE80211W
341 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
342 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
343 !sta->sa_query_timed_out &&
344 sta->sa_query_count > 0)
345 ap_check_sa_query_timeout(hapd, sta);
346 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
347 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
348 !sta->sa_query_timed_out &&
349 (sta->auth_alg != WLAN_AUTH_FT)) {
350 /*
351 * STA has already been associated with MFP and SA
352 * Query timeout has not been reached. Reject the
353 * association attempt temporarily and start SA Query,
354 * if one is not pending.
355 */
356
357 if (sta->sa_query_count == 0)
358 ap_sta_start_sa_query(hapd, sta);
359
360 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
361
362 p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
363
364 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
365 p - buf);
366 return 0;
367 }
368
369 if (wpa_auth_uses_mfp(sta->wpa_sm))
370 sta->flags |= WLAN_STA_MFP;
371 else
372 sta->flags &= ~WLAN_STA_MFP;
373 #endif /* CONFIG_IEEE80211W */
374
375 #ifdef CONFIG_IEEE80211R_AP
376 if (sta->auth_alg == WLAN_AUTH_FT) {
377 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
378 req_ies_len);
379 if (status != WLAN_STATUS_SUCCESS) {
380 if (status == WLAN_STATUS_INVALID_PMKID)
381 reason = WLAN_REASON_INVALID_IE;
382 if (status == WLAN_STATUS_INVALID_MDIE)
383 reason = WLAN_REASON_INVALID_IE;
384 if (status == WLAN_STATUS_INVALID_FTIE)
385 reason = WLAN_REASON_INVALID_IE;
386 goto fail;
387 }
388 }
389 #endif /* CONFIG_IEEE80211R_AP */
390 } else if (hapd->conf->wps_state) {
391 #ifdef CONFIG_WPS
392 struct wpabuf *wps;
393
394 if (req_ies)
395 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
396 WPS_IE_VENDOR_TYPE);
397 else
398 wps = NULL;
399 #ifdef CONFIG_WPS_STRICT
400 if (wps && wps_validate_assoc_req(wps) < 0) {
401 reason = WLAN_REASON_INVALID_IE;
402 status = WLAN_STATUS_INVALID_IE;
403 wpabuf_free(wps);
404 goto fail;
405 }
406 #endif /* CONFIG_WPS_STRICT */
407 if (wps) {
408 sta->flags |= WLAN_STA_WPS;
409 if (wps_is_20(wps)) {
410 wpa_printf(MSG_DEBUG,
411 "WPS: STA supports WPS 2.0");
412 sta->flags |= WLAN_STA_WPS2;
413 }
414 } else
415 sta->flags |= WLAN_STA_MAYBE_WPS;
416 wpabuf_free(wps);
417 #endif /* CONFIG_WPS */
418 #ifdef CONFIG_HS20
419 } else if (hapd->conf->osen) {
420 if (elems.osen == NULL) {
421 hostapd_logger(
422 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
423 HOSTAPD_LEVEL_INFO,
424 "No HS 2.0 OSEN element in association request");
425 return WLAN_STATUS_INVALID_IE;
426 }
427
428 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
429 if (sta->wpa_sm == NULL)
430 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
431 sta->addr, NULL);
432 if (sta->wpa_sm == NULL) {
433 wpa_printf(MSG_WARNING,
434 "Failed to initialize WPA state machine");
435 return WLAN_STATUS_UNSPECIFIED_FAILURE;
436 }
437 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
438 elems.osen - 2, elems.osen_len + 2) < 0)
439 return WLAN_STATUS_INVALID_IE;
440 #endif /* CONFIG_HS20 */
441 }
442
443 #ifdef CONFIG_MBO
444 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
445 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
446 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
447 wpa_printf(MSG_INFO,
448 "MBO: Reject WPA2 association without PMF");
449 return WLAN_STATUS_UNSPECIFIED_FAILURE;
450 }
451 #endif /* CONFIG_MBO */
452
453 #ifdef CONFIG_WPS
454 skip_wpa_check:
455 #endif /* CONFIG_WPS */
456
457 #ifdef CONFIG_IEEE80211R_AP
458 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
459 sta->auth_alg, req_ies, req_ies_len);
460 if (!p) {
461 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
462 return WLAN_STATUS_UNSPECIFIED_FAILURE;
463 }
464 #endif /* CONFIG_IEEE80211R_AP */
465
466 #ifdef CONFIG_FILS
467 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
468 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
469 sta->auth_alg == WLAN_AUTH_FILS_PK) {
470 int delay_assoc = 0;
471
472 if (!req_ies)
473 return WLAN_STATUS_UNSPECIFIED_FAILURE;
474
475 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
476 req_ies_len,
477 sta->fils_session)) {
478 wpa_printf(MSG_DEBUG,
479 "FILS: Session validation failed");
480 return WLAN_STATUS_UNSPECIFIED_FAILURE;
481 }
482
483 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
484 req_ies_len);
485 if (res < 0) {
486 wpa_printf(MSG_DEBUG,
487 "FILS: Key Confirm validation failed");
488 return WLAN_STATUS_UNSPECIFIED_FAILURE;
489 }
490
491 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
492 wpa_printf(MSG_DEBUG,
493 "FILS: Delaying Assoc Response (HLP)");
494 delay_assoc = 1;
495 } else {
496 wpa_printf(MSG_DEBUG,
497 "FILS: Going ahead with Assoc Response (no HLP)");
498 }
499
500 if (sta) {
501 wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
502 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
503 os_free(sta->fils_pending_assoc_req);
504 sta->fils_pending_assoc_req = NULL;
505 sta->fils_pending_assoc_req_len = 0;
506 wpabuf_free(sta->fils_hlp_resp);
507 sta->fils_hlp_resp = NULL;
508 sta->fils_drv_assoc_finish = 0;
509 }
510
511 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
512 u8 *req_tmp;
513
514 req_tmp = os_malloc(req_ies_len);
515 if (!req_tmp) {
516 wpa_printf(MSG_DEBUG,
517 "FILS: buffer allocation failed for assoc req");
518 goto fail;
519 }
520 os_memcpy(req_tmp, req_ies, req_ies_len);
521 sta->fils_pending_assoc_req = req_tmp;
522 sta->fils_pending_assoc_req_len = req_ies_len;
523 sta->fils_pending_assoc_is_reassoc = reassoc;
524 sta->fils_drv_assoc_finish = 1;
525 wpa_printf(MSG_DEBUG,
526 "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
527 MACSTR, MAC2STR(sta->addr));
528 eloop_register_timeout(
529 0, hapd->conf->fils_hlp_wait_time * 1024,
530 fils_hlp_timeout, hapd, sta);
531 return 0;
532 }
533 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
534 elems.fils_session,
535 sta->fils_hlp_resp);
536 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
537 buf, p - buf);
538 }
539 #endif /* CONFIG_FILS */
540
541 #ifdef CONFIG_OWE
542 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
543 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
544 elems.owe_dh) {
545 u8 *npos;
546
547 npos = owe_assoc_req_process(hapd, sta,
548 elems.owe_dh, elems.owe_dh_len,
549 p, sizeof(buf) - (p - buf),
550 &reason);
551 if (npos)
552 p = npos;
553 if (!npos &&
554 reason == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
555 status = WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED;
556 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
557 p - buf);
558 return 0;
559 }
560
561 if (!npos || reason != WLAN_STATUS_SUCCESS)
562 goto fail;
563 }
564 #endif /* CONFIG_OWE */
565
566 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
567 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
568
569 if (sta->auth_alg == WLAN_AUTH_FT ||
570 sta->auth_alg == WLAN_AUTH_FILS_SK ||
571 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
572 sta->auth_alg == WLAN_AUTH_FILS_PK)
573 ap_sta_set_authorized(hapd, sta, 1);
574 #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
575 /* Keep compiler silent about unused variables */
576 if (status) {
577 }
578 #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
579
580 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
581 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
582 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
583
584 hostapd_set_sta_flags(hapd, sta);
585
586 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
587 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
588 #ifdef CONFIG_FILS
589 else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
590 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
591 sta->auth_alg == WLAN_AUTH_FILS_PK)
592 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
593 #endif /* CONFIG_FILS */
594 else
595 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
596
597 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
598
599 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
600
601 #ifdef CONFIG_P2P
602 if (req_ies) {
603 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
604 req_ies, req_ies_len);
605 }
606 #endif /* CONFIG_P2P */
607
608 return 0;
609
610 fail:
611 #ifdef CONFIG_IEEE80211R_AP
612 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
613 #endif /* CONFIG_IEEE80211R_AP */
614 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
615 ap_free_sta(hapd, sta);
616 return -1;
617 }
618
619
620 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
621 {
622 struct sta_info *sta;
623
624 if (addr == NULL) {
625 /*
626 * This could potentially happen with unexpected event from the
627 * driver wrapper. This was seen at least in one case where the
628 * driver ended up reporting a station mode event while hostapd
629 * was running, so better make sure we stop processing such an
630 * event here.
631 */
632 wpa_printf(MSG_DEBUG,
633 "hostapd_notif_disassoc: Skip event with no address");
634 return;
635 }
636
637 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
638 HOSTAPD_LEVEL_INFO, "disassociated");
639
640 sta = ap_get_sta(hapd, addr);
641 if (sta == NULL) {
642 wpa_printf(MSG_DEBUG,
643 "Disassociation notification for unknown STA "
644 MACSTR, MAC2STR(addr));
645 return;
646 }
647
648 ap_sta_set_authorized(hapd, sta, 0);
649 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
650 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
651 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
652 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
653 ap_free_sta(hapd, sta);
654 }
655
656
657 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
658 {
659 struct sta_info *sta = ap_get_sta(hapd, addr);
660
661 if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
662 return;
663
664 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
665 HOSTAPD_LEVEL_INFO,
666 "disconnected due to excessive missing ACKs");
667 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
668 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
669 }
670
671
672 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
673 enum smps_mode smps_mode,
674 enum chan_width chan_width, u8 rx_nss)
675 {
676 struct sta_info *sta = ap_get_sta(hapd, addr);
677 const char *txt;
678
679 if (!sta)
680 return;
681
682 switch (smps_mode) {
683 case SMPS_AUTOMATIC:
684 txt = "automatic";
685 break;
686 case SMPS_OFF:
687 txt = "off";
688 break;
689 case SMPS_DYNAMIC:
690 txt = "dynamic";
691 break;
692 case SMPS_STATIC:
693 txt = "static";
694 break;
695 default:
696 txt = NULL;
697 break;
698 }
699 if (txt) {
700 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
701 MACSTR " %s", MAC2STR(addr), txt);
702 }
703
704 switch (chan_width) {
705 case CHAN_WIDTH_20_NOHT:
706 txt = "20(no-HT)";
707 break;
708 case CHAN_WIDTH_20:
709 txt = "20";
710 break;
711 case CHAN_WIDTH_40:
712 txt = "40";
713 break;
714 case CHAN_WIDTH_80:
715 txt = "80";
716 break;
717 case CHAN_WIDTH_80P80:
718 txt = "80+80";
719 break;
720 case CHAN_WIDTH_160:
721 txt = "160";
722 break;
723 default:
724 txt = NULL;
725 break;
726 }
727 if (txt) {
728 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
729 MACSTR " %s", MAC2STR(addr), txt);
730 }
731
732 if (rx_nss != 0xff) {
733 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
734 MACSTR " %d", MAC2STR(addr), rx_nss);
735 }
736 }
737
738
739 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
740 int offset, int width, int cf1, int cf2)
741 {
742 #ifdef NEED_AP_MLME
743 int channel, chwidth, is_dfs;
744 u8 seg0_idx = 0, seg1_idx = 0;
745
746 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
747 HOSTAPD_LEVEL_INFO,
748 "driver had channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
749 freq, ht, hapd->iconf->ch_switch_vht_config, offset,
750 width, channel_width_to_string(width), cf1, cf2);
751
752 hapd->iface->freq = freq;
753
754 channel = hostapd_hw_get_channel(hapd, freq);
755 if (!channel) {
756 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
757 HOSTAPD_LEVEL_WARNING,
758 "driver switched to bad channel!");
759 return;
760 }
761
762 switch (width) {
763 case CHAN_WIDTH_80:
764 chwidth = VHT_CHANWIDTH_80MHZ;
765 break;
766 case CHAN_WIDTH_80P80:
767 chwidth = VHT_CHANWIDTH_80P80MHZ;
768 break;
769 case CHAN_WIDTH_160:
770 chwidth = VHT_CHANWIDTH_160MHZ;
771 break;
772 case CHAN_WIDTH_20_NOHT:
773 case CHAN_WIDTH_20:
774 case CHAN_WIDTH_40:
775 default:
776 chwidth = VHT_CHANWIDTH_USE_HT;
777 break;
778 }
779
780 switch (hapd->iface->current_mode->mode) {
781 case HOSTAPD_MODE_IEEE80211A:
782 if (cf1 > 5000)
783 seg0_idx = (cf1 - 5000) / 5;
784 if (cf2 > 5000)
785 seg1_idx = (cf2 - 5000) / 5;
786 break;
787 default:
788 ieee80211_freq_to_chan(cf1, &seg0_idx);
789 ieee80211_freq_to_chan(cf2, &seg1_idx);
790 break;
791 }
792
793 hapd->iconf->channel = channel;
794 hapd->iconf->ieee80211n = ht;
795 if (!ht) {
796 hapd->iconf->ieee80211ac = 0;
797 } else if (hapd->iconf->ch_switch_vht_config) {
798 /* CHAN_SWITCH VHT config */
799 if (hapd->iconf->ch_switch_vht_config &
800 CH_SWITCH_VHT_ENABLED)
801 hapd->iconf->ieee80211ac = 1;
802 else if (hapd->iconf->ch_switch_vht_config &
803 CH_SWITCH_VHT_DISABLED)
804 hapd->iconf->ieee80211ac = 0;
805 }
806 hapd->iconf->ch_switch_vht_config = 0;
807
808 hapd->iconf->secondary_channel = offset;
809 hapd->iconf->vht_oper_chwidth = chwidth;
810 hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
811 hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
812
813 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
814 hapd->iface->num_hw_features);
815
816 if (hapd->csa_in_progress &&
817 freq == hapd->cs_freq_params.freq) {
818 hostapd_cleanup_cs_params(hapd);
819 ieee802_11_set_beacon(hapd);
820
821 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
822 "freq=%d dfs=%d", freq, is_dfs);
823 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
824 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
825 "freq=%d dfs=%d", freq, is_dfs);
826 }
827 #endif /* NEED_AP_MLME */
828 }
829
830
831 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
832 const u8 *addr, int reason_code)
833 {
834 switch (reason_code) {
835 case MAX_CLIENT_REACHED:
836 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
837 MAC2STR(addr));
838 break;
839 case BLOCKED_CLIENT:
840 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
841 MAC2STR(addr));
842 break;
843 }
844 }
845
846
847 #ifdef CONFIG_ACS
848 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
849 struct acs_selected_channels *acs_res)
850 {
851 int ret, i;
852 int err = 0;
853
854 if (hapd->iconf->channel) {
855 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
856 hapd->iconf->channel);
857 return;
858 }
859
860 if (!hapd->iface->current_mode) {
861 for (i = 0; i < hapd->iface->num_hw_features; i++) {
862 struct hostapd_hw_modes *mode =
863 &hapd->iface->hw_features[i];
864
865 if (mode->mode == acs_res->hw_mode) {
866 hapd->iface->current_mode = mode;
867 break;
868 }
869 }
870 if (!hapd->iface->current_mode) {
871 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
872 HOSTAPD_LEVEL_WARNING,
873 "driver selected to bad hw_mode");
874 err = 1;
875 goto out;
876 }
877 }
878
879 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
880
881 if (!acs_res->pri_channel) {
882 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
883 HOSTAPD_LEVEL_WARNING,
884 "driver switched to bad channel");
885 err = 1;
886 goto out;
887 }
888
889 hapd->iconf->channel = acs_res->pri_channel;
890 hapd->iconf->acs = 1;
891
892 if (acs_res->sec_channel == 0)
893 hapd->iconf->secondary_channel = 0;
894 else if (acs_res->sec_channel < acs_res->pri_channel)
895 hapd->iconf->secondary_channel = -1;
896 else if (acs_res->sec_channel > acs_res->pri_channel)
897 hapd->iconf->secondary_channel = 1;
898 else {
899 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
900 err = 1;
901 goto out;
902 }
903
904 if (hapd->iface->conf->ieee80211ac) {
905 /* set defaults for backwards compatibility */
906 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
907 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
908 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
909 if (acs_res->ch_width == 80) {
910 hapd->iconf->vht_oper_centr_freq_seg0_idx =
911 acs_res->vht_seg0_center_ch;
912 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
913 } else if (acs_res->ch_width == 160) {
914 if (acs_res->vht_seg1_center_ch == 0) {
915 hapd->iconf->vht_oper_centr_freq_seg0_idx =
916 acs_res->vht_seg0_center_ch;
917 hapd->iconf->vht_oper_chwidth =
918 VHT_CHANWIDTH_160MHZ;
919 } else {
920 hapd->iconf->vht_oper_centr_freq_seg0_idx =
921 acs_res->vht_seg0_center_ch;
922 hapd->iconf->vht_oper_centr_freq_seg1_idx =
923 acs_res->vht_seg1_center_ch;
924 hapd->iconf->vht_oper_chwidth =
925 VHT_CHANWIDTH_80P80MHZ;
926 }
927 }
928 }
929
930 out:
931 ret = hostapd_acs_completed(hapd->iface, err);
932 if (ret) {
933 wpa_printf(MSG_ERROR,
934 "ACS: Possibly channel configuration is invalid");
935 }
936 }
937 #endif /* CONFIG_ACS */
938
939
940 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
941 const u8 *bssid, const u8 *ie, size_t ie_len,
942 int ssi_signal)
943 {
944 size_t i;
945 int ret = 0;
946
947 if (sa == NULL || ie == NULL)
948 return -1;
949
950 random_add_randomness(sa, ETH_ALEN);
951 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
952 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
953 sa, da, bssid, ie, ie_len,
954 ssi_signal) > 0) {
955 ret = 1;
956 break;
957 }
958 }
959 return ret;
960 }
961
962
963 #ifdef HOSTAPD
964
965 #ifdef CONFIG_IEEE80211R_AP
966 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
967 const u8 *bssid,
968 u16 auth_transaction, u16 status,
969 const u8 *ies, size_t ies_len)
970 {
971 struct hostapd_data *hapd = ctx;
972 struct sta_info *sta;
973
974 sta = ap_get_sta(hapd, dst);
975 if (sta == NULL)
976 return;
977
978 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
979 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
980 sta->flags |= WLAN_STA_AUTH;
981
982 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
983 }
984 #endif /* CONFIG_IEEE80211R_AP */
985
986
987 #ifdef CONFIG_FILS
988 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
989 struct sta_info *sta, u16 resp,
990 struct wpabuf *data, int pub)
991 {
992 if (resp == WLAN_STATUS_SUCCESS) {
993 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
994 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
995 sta->flags |= WLAN_STA_AUTH;
996 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
997 sta->auth_alg = WLAN_AUTH_FILS_SK;
998 mlme_authenticate_indication(hapd, sta);
999 } else {
1000 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1001 HOSTAPD_LEVEL_DEBUG,
1002 "authentication failed (FILS)");
1003 }
1004
1005 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1006 data ? wpabuf_head(data) : NULL,
1007 data ? wpabuf_len(data) : 0);
1008 wpabuf_free(data);
1009 }
1010 #endif /* CONFIG_FILS */
1011
1012
1013 static void hostapd_notif_auth(struct hostapd_data *hapd,
1014 struct auth_info *rx_auth)
1015 {
1016 struct sta_info *sta;
1017 u16 status = WLAN_STATUS_SUCCESS;
1018 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1019 size_t resp_ies_len = 0;
1020
1021 sta = ap_get_sta(hapd, rx_auth->peer);
1022 if (!sta) {
1023 sta = ap_sta_add(hapd, rx_auth->peer);
1024 if (sta == NULL) {
1025 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1026 goto fail;
1027 }
1028 }
1029 sta->flags &= ~WLAN_STA_PREAUTH;
1030 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1031 #ifdef CONFIG_IEEE80211R_AP
1032 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1033 sta->auth_alg = WLAN_AUTH_FT;
1034 if (sta->wpa_sm == NULL)
1035 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1036 sta->addr, NULL);
1037 if (sta->wpa_sm == NULL) {
1038 wpa_printf(MSG_DEBUG,
1039 "FT: Failed to initialize WPA state machine");
1040 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1041 goto fail;
1042 }
1043 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1044 rx_auth->auth_transaction, rx_auth->ies,
1045 rx_auth->ies_len,
1046 hostapd_notify_auth_ft_finish, hapd);
1047 return;
1048 }
1049 #endif /* CONFIG_IEEE80211R_AP */
1050
1051 #ifdef CONFIG_FILS
1052 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1053 sta->auth_alg = WLAN_AUTH_FILS_SK;
1054 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1055 rx_auth->auth_type, rx_auth->auth_transaction,
1056 rx_auth->status_code,
1057 hostapd_notify_auth_fils_finish);
1058 return;
1059 }
1060 #endif /* CONFIG_FILS */
1061
1062 fail:
1063 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1064 status, resp_ies, resp_ies_len);
1065 }
1066
1067
1068 static void hostapd_action_rx(struct hostapd_data *hapd,
1069 struct rx_mgmt *drv_mgmt)
1070 {
1071 struct ieee80211_mgmt *mgmt;
1072 struct sta_info *sta;
1073 size_t plen __maybe_unused;
1074 u16 fc;
1075 u8 *action __maybe_unused;
1076
1077 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1078 return;
1079
1080 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN - 1;
1081
1082 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1083 fc = le_to_host16(mgmt->frame_control);
1084 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1085 return; /* handled by the driver */
1086
1087 action = (u8 *) &mgmt->u.action.u;
1088 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1089 " da " MACSTR " plen %d",
1090 mgmt->u.action.category, *action,
1091 MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
1092
1093 sta = ap_get_sta(hapd, mgmt->sa);
1094 if (sta == NULL) {
1095 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1096 return;
1097 }
1098 #ifdef CONFIG_IEEE80211R_AP
1099 if (mgmt->u.action.category == WLAN_ACTION_FT) {
1100 const u8 *payload = drv_mgmt->frame + 24 + 1;
1101
1102 wpa_ft_action_rx(sta->wpa_sm, payload, plen);
1103 }
1104 #endif /* CONFIG_IEEE80211R_AP */
1105 #ifdef CONFIG_IEEE80211W
1106 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
1107 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
1108 }
1109 #endif /* CONFIG_IEEE80211W */
1110 #ifdef CONFIG_WNM_AP
1111 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1112 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1113 }
1114 #endif /* CONFIG_WNM_AP */
1115 #ifdef CONFIG_FST
1116 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1117 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1118 return;
1119 }
1120 #endif /* CONFIG_FST */
1121 #ifdef CONFIG_DPP
1122 if (plen >= 1 + 4 &&
1123 mgmt->u.action.u.vs_public_action.action ==
1124 WLAN_PA_VENDOR_SPECIFIC &&
1125 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1126 OUI_WFA &&
1127 mgmt->u.action.u.vs_public_action.variable[0] ==
1128 DPP_OUI_TYPE) {
1129 const u8 *pos, *end;
1130
1131 pos = mgmt->u.action.u.vs_public_action.oui;
1132 end = drv_mgmt->frame + drv_mgmt->frame_len;
1133 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1134 drv_mgmt->freq);
1135 return;
1136 }
1137 #endif /* CONFIG_DPP */
1138 }
1139
1140
1141 #ifdef NEED_AP_MLME
1142
1143 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1144
1145 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1146 const u8 *bssid)
1147 {
1148 size_t i;
1149
1150 if (bssid == NULL)
1151 return NULL;
1152 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1153 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1154 return HAPD_BROADCAST;
1155
1156 for (i = 0; i < iface->num_bss; i++) {
1157 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1158 return iface->bss[i];
1159 }
1160
1161 return NULL;
1162 }
1163
1164
1165 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1166 const u8 *bssid, const u8 *addr,
1167 int wds)
1168 {
1169 hapd = get_hapd_bssid(hapd->iface, bssid);
1170 if (hapd == NULL || hapd == HAPD_BROADCAST)
1171 return;
1172
1173 ieee802_11_rx_from_unknown(hapd, addr, wds);
1174 }
1175
1176
1177 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1178 {
1179 struct hostapd_iface *iface = hapd->iface;
1180 const struct ieee80211_hdr *hdr;
1181 const u8 *bssid;
1182 struct hostapd_frame_info fi;
1183 int ret;
1184
1185 #ifdef CONFIG_TESTING_OPTIONS
1186 if (hapd->ext_mgmt_frame_handling) {
1187 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1188 char *hex = os_malloc(hex_len);
1189
1190 if (hex) {
1191 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1192 rx_mgmt->frame_len);
1193 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1194 os_free(hex);
1195 }
1196 return 1;
1197 }
1198 #endif /* CONFIG_TESTING_OPTIONS */
1199
1200 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1201 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1202 if (bssid == NULL)
1203 return 0;
1204
1205 hapd = get_hapd_bssid(iface, bssid);
1206 if (hapd == NULL) {
1207 u16 fc = le_to_host16(hdr->frame_control);
1208
1209 /*
1210 * Drop frames to unknown BSSIDs except for Beacon frames which
1211 * could be used to update neighbor information.
1212 */
1213 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1214 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1215 hapd = iface->bss[0];
1216 else
1217 return 0;
1218 }
1219
1220 os_memset(&fi, 0, sizeof(fi));
1221 fi.freq = rx_mgmt->freq;
1222 fi.datarate = rx_mgmt->datarate;
1223 fi.ssi_signal = rx_mgmt->ssi_signal;
1224
1225 if (hapd == HAPD_BROADCAST) {
1226 size_t i;
1227
1228 ret = 0;
1229 for (i = 0; i < iface->num_bss; i++) {
1230 /* if bss is set, driver will call this function for
1231 * each bss individually. */
1232 if (rx_mgmt->drv_priv &&
1233 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1234 continue;
1235
1236 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1237 rx_mgmt->frame_len, &fi) > 0)
1238 ret = 1;
1239 }
1240 } else
1241 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1242 &fi);
1243
1244 random_add_randomness(&fi, sizeof(fi));
1245
1246 return ret;
1247 }
1248
1249
1250 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1251 size_t len, u16 stype, int ok)
1252 {
1253 struct ieee80211_hdr *hdr;
1254 struct hostapd_data *orig_hapd = hapd;
1255
1256 hdr = (struct ieee80211_hdr *) buf;
1257 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1258 if (!hapd)
1259 return;
1260 if (hapd == HAPD_BROADCAST) {
1261 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1262 buf[24] != WLAN_ACTION_PUBLIC)
1263 return;
1264 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1265 if (!hapd || hapd == HAPD_BROADCAST)
1266 return;
1267 /*
1268 * Allow processing of TX status for a Public Action frame that
1269 * used wildcard BBSID.
1270 */
1271 }
1272 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1273 }
1274
1275 #endif /* NEED_AP_MLME */
1276
1277
1278 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1279 {
1280 struct sta_info *sta = ap_get_sta(hapd, addr);
1281
1282 if (sta)
1283 return 0;
1284
1285 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1286 " - adding a new STA", MAC2STR(addr));
1287 sta = ap_sta_add(hapd, addr);
1288 if (sta) {
1289 hostapd_new_assoc_sta(hapd, sta, 0);
1290 } else {
1291 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1292 MAC2STR(addr));
1293 return -1;
1294 }
1295
1296 return 0;
1297 }
1298
1299
1300 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1301 const u8 *data, size_t data_len)
1302 {
1303 struct hostapd_iface *iface = hapd->iface;
1304 struct sta_info *sta;
1305 size_t j;
1306
1307 for (j = 0; j < iface->num_bss; j++) {
1308 sta = ap_get_sta(iface->bss[j], src);
1309 if (sta && sta->flags & WLAN_STA_ASSOC) {
1310 hapd = iface->bss[j];
1311 break;
1312 }
1313 }
1314
1315 ieee802_1x_receive(hapd, src, data, data_len);
1316 }
1317
1318 #endif /* HOSTAPD */
1319
1320
1321 static struct hostapd_channel_data * hostapd_get_mode_channel(
1322 struct hostapd_iface *iface, unsigned int freq)
1323 {
1324 int i;
1325 struct hostapd_channel_data *chan;
1326
1327 for (i = 0; i < iface->current_mode->num_channels; i++) {
1328 chan = &iface->current_mode->channels[i];
1329 if ((unsigned int) chan->freq == freq)
1330 return chan;
1331 }
1332
1333 return NULL;
1334 }
1335
1336
1337 static void hostapd_update_nf(struct hostapd_iface *iface,
1338 struct hostapd_channel_data *chan,
1339 struct freq_survey *survey)
1340 {
1341 if (!iface->chans_surveyed) {
1342 chan->min_nf = survey->nf;
1343 iface->lowest_nf = survey->nf;
1344 } else {
1345 if (dl_list_empty(&chan->survey_list))
1346 chan->min_nf = survey->nf;
1347 else if (survey->nf < chan->min_nf)
1348 chan->min_nf = survey->nf;
1349 if (survey->nf < iface->lowest_nf)
1350 iface->lowest_nf = survey->nf;
1351 }
1352 }
1353
1354
1355 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1356 struct survey_results *survey_res)
1357 {
1358 struct hostapd_channel_data *chan;
1359 struct freq_survey *survey;
1360 u64 divisor, dividend;
1361
1362 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1363 list);
1364 if (!survey || !survey->freq)
1365 return;
1366
1367 chan = hostapd_get_mode_channel(iface, survey->freq);
1368 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1369 return;
1370
1371 wpa_printf(MSG_DEBUG,
1372 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1373 survey->freq,
1374 (unsigned long int) survey->channel_time,
1375 (unsigned long int) survey->channel_time_busy);
1376
1377 if (survey->channel_time > iface->last_channel_time &&
1378 survey->channel_time > survey->channel_time_busy) {
1379 dividend = survey->channel_time_busy -
1380 iface->last_channel_time_busy;
1381 divisor = survey->channel_time - iface->last_channel_time;
1382
1383 iface->channel_utilization = dividend * 255 / divisor;
1384 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1385 iface->channel_utilization);
1386 }
1387 iface->last_channel_time = survey->channel_time;
1388 iface->last_channel_time_busy = survey->channel_time_busy;
1389 }
1390
1391
1392 void hostapd_event_get_survey(struct hostapd_iface *iface,
1393 struct survey_results *survey_results)
1394 {
1395 struct freq_survey *survey, *tmp;
1396 struct hostapd_channel_data *chan;
1397
1398 if (dl_list_empty(&survey_results->survey_list)) {
1399 wpa_printf(MSG_DEBUG, "No survey data received");
1400 return;
1401 }
1402
1403 if (survey_results->freq_filter) {
1404 hostapd_single_channel_get_survey(iface, survey_results);
1405 return;
1406 }
1407
1408 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1409 struct freq_survey, list) {
1410 chan = hostapd_get_mode_channel(iface, survey->freq);
1411 if (!chan)
1412 continue;
1413 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1414 continue;
1415
1416 dl_list_del(&survey->list);
1417 dl_list_add_tail(&chan->survey_list, &survey->list);
1418
1419 hostapd_update_nf(iface, chan, survey);
1420
1421 iface->chans_surveyed++;
1422 }
1423 }
1424
1425
1426 #ifdef HOSTAPD
1427 #ifdef NEED_AP_MLME
1428
1429 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1430 {
1431 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1432 hapd->conf->iface);
1433
1434 if (hapd->csa_in_progress) {
1435 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1436 hapd->conf->iface);
1437 hostapd_switch_channel_fallback(hapd->iface,
1438 &hapd->cs_freq_params);
1439 }
1440 }
1441
1442
1443 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1444 struct dfs_event *radar)
1445 {
1446 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1447 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1448 radar->chan_offset, radar->chan_width,
1449 radar->cf1, radar->cf2);
1450 }
1451
1452
1453 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1454 struct dfs_event *radar)
1455 {
1456 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1457 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1458 radar->chan_offset, radar->chan_width,
1459 radar->cf1, radar->cf2);
1460 }
1461
1462
1463 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1464 struct dfs_event *radar)
1465 {
1466 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1467 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1468 radar->chan_offset, radar->chan_width,
1469 radar->cf1, radar->cf2);
1470 }
1471
1472
1473 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1474 struct dfs_event *radar)
1475 {
1476 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1477 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1478 radar->chan_offset, radar->chan_width,
1479 radar->cf1, radar->cf2);
1480 }
1481
1482
1483 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1484 struct dfs_event *radar)
1485 {
1486 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1487 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1488 radar->chan_offset, radar->chan_width,
1489 radar->cf1, radar->cf2);
1490 }
1491
1492
1493 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1494 struct dfs_event *radar)
1495 {
1496 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1497 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1498 radar->chan_offset, radar->chan_width,
1499 radar->cf1, radar->cf2);
1500 }
1501
1502 #endif /* NEED_AP_MLME */
1503
1504
1505 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1506 int istatus,
1507 const char *ifname,
1508 const u8 *addr)
1509 {
1510 struct sta_info *sta = ap_get_sta(hapd, addr);
1511
1512 if (sta) {
1513 os_free(sta->ifname_wds);
1514 if (istatus == INTERFACE_ADDED)
1515 sta->ifname_wds = os_strdup(ifname);
1516 else
1517 sta->ifname_wds = NULL;
1518 }
1519
1520 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1521 istatus == INTERFACE_ADDED ?
1522 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1523 ifname, MAC2STR(addr));
1524 }
1525
1526
1527 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1528 union wpa_event_data *data)
1529 {
1530 struct hostapd_data *hapd = ctx;
1531 #ifndef CONFIG_NO_STDOUT_DEBUG
1532 int level = MSG_DEBUG;
1533
1534 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1535 data->rx_mgmt.frame_len >= 24) {
1536 const struct ieee80211_hdr *hdr;
1537 u16 fc;
1538
1539 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1540 fc = le_to_host16(hdr->frame_control);
1541 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1542 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1543 level = MSG_EXCESSIVE;
1544 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1545 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1546 level = MSG_EXCESSIVE;
1547 }
1548
1549 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1550 event_to_string(event), event);
1551 #endif /* CONFIG_NO_STDOUT_DEBUG */
1552
1553 switch (event) {
1554 case EVENT_MICHAEL_MIC_FAILURE:
1555 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1556 break;
1557 case EVENT_SCAN_RESULTS:
1558 if (hapd->iface->scan_cb)
1559 hapd->iface->scan_cb(hapd->iface);
1560 break;
1561 case EVENT_WPS_BUTTON_PUSHED:
1562 hostapd_wps_button_pushed(hapd, NULL);
1563 break;
1564 #ifdef NEED_AP_MLME
1565 case EVENT_TX_STATUS:
1566 switch (data->tx_status.type) {
1567 case WLAN_FC_TYPE_MGMT:
1568 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1569 data->tx_status.data_len,
1570 data->tx_status.stype,
1571 data->tx_status.ack);
1572 break;
1573 case WLAN_FC_TYPE_DATA:
1574 hostapd_tx_status(hapd, data->tx_status.dst,
1575 data->tx_status.data,
1576 data->tx_status.data_len,
1577 data->tx_status.ack);
1578 break;
1579 }
1580 break;
1581 case EVENT_EAPOL_TX_STATUS:
1582 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1583 data->eapol_tx_status.data,
1584 data->eapol_tx_status.data_len,
1585 data->eapol_tx_status.ack);
1586 break;
1587 case EVENT_DRIVER_CLIENT_POLL_OK:
1588 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1589 break;
1590 case EVENT_RX_FROM_UNKNOWN:
1591 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1592 data->rx_from_unknown.addr,
1593 data->rx_from_unknown.wds);
1594 break;
1595 #endif /* NEED_AP_MLME */
1596 case EVENT_RX_MGMT:
1597 if (!data->rx_mgmt.frame)
1598 break;
1599 #ifdef NEED_AP_MLME
1600 if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1601 break;
1602 #endif /* NEED_AP_MLME */
1603 hostapd_action_rx(hapd, &data->rx_mgmt);
1604 break;
1605 case EVENT_RX_PROBE_REQ:
1606 if (data->rx_probe_req.sa == NULL ||
1607 data->rx_probe_req.ie == NULL)
1608 break;
1609 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1610 data->rx_probe_req.da,
1611 data->rx_probe_req.bssid,
1612 data->rx_probe_req.ie,
1613 data->rx_probe_req.ie_len,
1614 data->rx_probe_req.ssi_signal);
1615 break;
1616 case EVENT_NEW_STA:
1617 hostapd_event_new_sta(hapd, data->new_sta.addr);
1618 break;
1619 case EVENT_EAPOL_RX:
1620 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1621 data->eapol_rx.data,
1622 data->eapol_rx.data_len);
1623 break;
1624 case EVENT_ASSOC:
1625 if (!data)
1626 return;
1627 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1628 data->assoc_info.req_ies,
1629 data->assoc_info.req_ies_len,
1630 data->assoc_info.reassoc);
1631 break;
1632 case EVENT_DISASSOC:
1633 if (data)
1634 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1635 break;
1636 case EVENT_DEAUTH:
1637 if (data)
1638 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1639 break;
1640 case EVENT_STATION_LOW_ACK:
1641 if (!data)
1642 break;
1643 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1644 break;
1645 case EVENT_AUTH:
1646 hostapd_notif_auth(hapd, &data->auth);
1647 break;
1648 case EVENT_CH_SWITCH:
1649 if (!data)
1650 break;
1651 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1652 data->ch_switch.ht_enabled,
1653 data->ch_switch.ch_offset,
1654 data->ch_switch.ch_width,
1655 data->ch_switch.cf1,
1656 data->ch_switch.cf2);
1657 break;
1658 case EVENT_CONNECT_FAILED_REASON:
1659 if (!data)
1660 break;
1661 hostapd_event_connect_failed_reason(
1662 hapd, data->connect_failed_reason.addr,
1663 data->connect_failed_reason.code);
1664 break;
1665 case EVENT_SURVEY:
1666 hostapd_event_get_survey(hapd->iface, &data->survey_results);
1667 break;
1668 #ifdef NEED_AP_MLME
1669 case EVENT_INTERFACE_UNAVAILABLE:
1670 hostapd_event_iface_unavailable(hapd);
1671 break;
1672 case EVENT_DFS_RADAR_DETECTED:
1673 if (!data)
1674 break;
1675 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1676 break;
1677 case EVENT_DFS_PRE_CAC_EXPIRED:
1678 if (!data)
1679 break;
1680 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
1681 break;
1682 case EVENT_DFS_CAC_FINISHED:
1683 if (!data)
1684 break;
1685 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1686 break;
1687 case EVENT_DFS_CAC_ABORTED:
1688 if (!data)
1689 break;
1690 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1691 break;
1692 case EVENT_DFS_NOP_FINISHED:
1693 if (!data)
1694 break;
1695 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1696 break;
1697 case EVENT_CHANNEL_LIST_CHANGED:
1698 /* channel list changed (regulatory?), update channel list */
1699 /* TODO: check this. hostapd_get_hw_features() initializes
1700 * too much stuff. */
1701 /* hostapd_get_hw_features(hapd->iface); */
1702 hostapd_channel_list_updated(
1703 hapd->iface, data->channel_list_changed.initiator);
1704 break;
1705 case EVENT_DFS_CAC_STARTED:
1706 if (!data)
1707 break;
1708 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1709 break;
1710 #endif /* NEED_AP_MLME */
1711 case EVENT_INTERFACE_ENABLED:
1712 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1713 if (hapd->disabled && hapd->started) {
1714 hapd->disabled = 0;
1715 /*
1716 * Try to re-enable interface if the driver stopped it
1717 * when the interface got disabled.
1718 */
1719 if (hapd->wpa_auth)
1720 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1721 else
1722 hostapd_reconfig_encryption(hapd);
1723 hapd->reenable_beacon = 1;
1724 ieee802_11_set_beacon(hapd);
1725 }
1726 break;
1727 case EVENT_INTERFACE_DISABLED:
1728 hostapd_free_stas(hapd);
1729 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1730 hapd->disabled = 1;
1731 break;
1732 #ifdef CONFIG_ACS
1733 case EVENT_ACS_CHANNEL_SELECTED:
1734 hostapd_acs_channel_selected(hapd,
1735 &data->acs_selected_channels);
1736 break;
1737 #endif /* CONFIG_ACS */
1738 case EVENT_STATION_OPMODE_CHANGED:
1739 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
1740 data->sta_opmode.smps_mode,
1741 data->sta_opmode.chan_width,
1742 data->sta_opmode.rx_nss);
1743 break;
1744 case EVENT_WDS_STA_INTERFACE_STATUS:
1745 hostapd_event_wds_sta_interface_status(
1746 hapd, data->wds_sta_interface.istatus,
1747 data->wds_sta_interface.ifname,
1748 data->wds_sta_interface.sta_addr);
1749 break;
1750 default:
1751 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1752 break;
1753 }
1754 }
1755
1756
1757 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
1758 union wpa_event_data *data)
1759 {
1760 struct hapd_interfaces *interfaces = ctx;
1761 struct hostapd_data *hapd;
1762
1763 if (event != EVENT_INTERFACE_STATUS)
1764 return;
1765
1766 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
1767 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
1768 hapd->drv_priv) {
1769 unsigned int ifindex;
1770
1771 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
1772 if (ifindex != data->interface_status.ifindex) {
1773 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1774 "interface status ifindex %d mismatch (%d)",
1775 ifindex, data->interface_status.ifindex);
1776 return;
1777 }
1778 }
1779 if (hapd)
1780 wpa_supplicant_event(hapd, event, data);
1781 }
1782
1783 #endif /* HOSTAPD */
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