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 "common/dpp.h"
19 #include "common/sae.h"
20 #include "common/hw_features_common.h"
21 #include "crypto/random.h"
22 #include "p2p/p2p.h"
23 #include "wps/wps.h"
24 #include "fst/fst.h"
25 #include "wnm_ap.h"
26 #include "hostapd.h"
27 #include "ieee802_11.h"
28 #include "ieee802_11_auth.h"
29 #include "sta_info.h"
30 #include "accounting.h"
31 #include "tkip_countermeasures.h"
32 #include "ieee802_1x.h"
33 #include "wpa_auth.h"
34 #include "wps_hostapd.h"
35 #include "ap_drv_ops.h"
36 #include "ap_config.h"
37 #include "ap_mlme.h"
38 #include "hw_features.h"
39 #include "dfs.h"
40 #include "beacon.h"
41 #include "mbo_ap.h"
42 #include "dpp_hostapd.h"
43 #include "fils_hlp.h"
44 #include "neighbor_db.h"
45
46
47 #ifdef CONFIG_FILS
hostapd_notify_assoc_fils_finish(struct hostapd_data * hapd,struct sta_info * sta)48 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
49 struct sta_info *sta)
50 {
51 u16 reply_res = WLAN_STATUS_SUCCESS;
52 struct ieee802_11_elems elems;
53 u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
54 int new_assoc;
55
56 wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
57 __func__, MAC2STR(sta->addr));
58 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
59 if (!sta->fils_pending_assoc_req)
60 return;
61
62 ieee802_11_parse_elems(sta->fils_pending_assoc_req,
63 sta->fils_pending_assoc_req_len, &elems, 0);
64 if (!elems.fils_session) {
65 wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
66 __func__);
67 return;
68 }
69
70 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
71 elems.fils_session,
72 sta->fils_hlp_resp);
73
74 reply_res = hostapd_sta_assoc(hapd, sta->addr,
75 sta->fils_pending_assoc_is_reassoc,
76 WLAN_STATUS_SUCCESS,
77 buf, p - buf);
78 ap_sta_set_authorized(hapd, sta, 1);
79 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
80 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
81 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
82 hostapd_set_sta_flags(hapd, sta);
83 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
84 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
85 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
86 os_free(sta->fils_pending_assoc_req);
87 sta->fils_pending_assoc_req = NULL;
88 sta->fils_pending_assoc_req_len = 0;
89 wpabuf_free(sta->fils_hlp_resp);
90 sta->fils_hlp_resp = NULL;
91 wpabuf_free(sta->hlp_dhcp_discover);
92 sta->hlp_dhcp_discover = NULL;
93 fils_hlp_deinit(hapd);
94
95 /*
96 * Remove the station in case transmission of a success response fails
97 * (the STA was added associated to the driver) or if the station was
98 * previously added unassociated.
99 */
100 if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
101 hostapd_drv_sta_remove(hapd, sta->addr);
102 sta->added_unassoc = 0;
103 }
104 }
105 #endif /* CONFIG_FILS */
106
107
check_sa_query_need(struct hostapd_data * hapd,struct sta_info * sta)108 static bool check_sa_query_need(struct hostapd_data *hapd, struct sta_info *sta)
109 {
110 if ((sta->flags &
111 (WLAN_STA_ASSOC | WLAN_STA_MFP | WLAN_STA_AUTHORIZED)) !=
112 (WLAN_STA_ASSOC | WLAN_STA_MFP | WLAN_STA_AUTHORIZED))
113 return false;
114
115 if (!sta->sa_query_timed_out && sta->sa_query_count > 0)
116 ap_check_sa_query_timeout(hapd, sta);
117
118 if (!sta->sa_query_timed_out && (sta->auth_alg != WLAN_AUTH_FT)) {
119 /*
120 * STA has already been associated with MFP and SA Query timeout
121 * has not been reached. Reject the association attempt
122 * temporarily and start SA Query, if one is not pending.
123 */
124 if (sta->sa_query_count == 0)
125 ap_sta_start_sa_query(hapd, sta);
126
127 return true;
128 }
129
130 return false;
131 }
132
133
hostapd_notif_assoc(struct hostapd_data * hapd,const u8 * addr,const u8 * req_ies,size_t req_ies_len,int reassoc)134 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
135 const u8 *req_ies, size_t req_ies_len, int reassoc)
136 {
137 struct sta_info *sta;
138 int new_assoc;
139 enum wpa_validate_result res;
140 struct ieee802_11_elems elems;
141 const u8 *ie;
142 size_t ielen;
143 u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
144 u8 *p = buf;
145 u16 reason = WLAN_REASON_UNSPECIFIED;
146 int status = WLAN_STATUS_SUCCESS;
147 const u8 *p2p_dev_addr = NULL;
148
149 if (addr == NULL) {
150 /*
151 * This could potentially happen with unexpected event from the
152 * driver wrapper. This was seen at least in one case where the
153 * driver ended up being set to station mode while hostapd was
154 * running, so better make sure we stop processing such an
155 * event here.
156 */
157 wpa_printf(MSG_DEBUG,
158 "hostapd_notif_assoc: Skip event with no address");
159 return -1;
160 }
161
162 if (is_multicast_ether_addr(addr) ||
163 is_zero_ether_addr(addr) ||
164 os_memcmp(addr, hapd->own_addr, ETH_ALEN) == 0) {
165 /* Do not process any frames with unexpected/invalid SA so that
166 * we do not add any state for unexpected STA addresses or end
167 * up sending out frames to unexpected destination. */
168 wpa_printf(MSG_DEBUG, "%s: Invalid SA=" MACSTR
169 " in received indication - ignore this indication silently",
170 __func__, MAC2STR(addr));
171 return 0;
172 }
173
174 random_add_randomness(addr, ETH_ALEN);
175
176 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
177 HOSTAPD_LEVEL_INFO, "associated");
178
179 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
180 if (elems.wps_ie) {
181 ie = elems.wps_ie - 2;
182 ielen = elems.wps_ie_len + 2;
183 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
184 } else if (elems.rsn_ie) {
185 ie = elems.rsn_ie - 2;
186 ielen = elems.rsn_ie_len + 2;
187 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
188 } else if (elems.wpa_ie) {
189 ie = elems.wpa_ie - 2;
190 ielen = elems.wpa_ie_len + 2;
191 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
192 #ifdef CONFIG_HS20
193 } else if (elems.osen) {
194 ie = elems.osen - 2;
195 ielen = elems.osen_len + 2;
196 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
197 #endif /* CONFIG_HS20 */
198 } else {
199 ie = NULL;
200 ielen = 0;
201 wpa_printf(MSG_DEBUG,
202 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
203 }
204
205 sta = ap_get_sta(hapd, addr);
206 if (sta) {
207 ap_sta_no_session_timeout(hapd, sta);
208 accounting_sta_stop(hapd, sta);
209
210 /*
211 * Make sure that the previously registered inactivity timer
212 * will not remove the STA immediately.
213 */
214 sta->timeout_next = STA_NULLFUNC;
215 } else {
216 sta = ap_sta_add(hapd, addr);
217 if (sta == NULL) {
218 hostapd_drv_sta_disassoc(hapd, addr,
219 WLAN_REASON_DISASSOC_AP_BUSY);
220 return -1;
221 }
222 }
223 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
224
225 /*
226 * ACL configurations to the drivers (implementing AP SME and ACL
227 * offload) without hostapd's knowledge, can result in a disconnection
228 * though the driver accepts the connection. Skip the hostapd check for
229 * ACL if the driver supports ACL offload to avoid potentially
230 * conflicting ACL rules.
231 */
232 if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
233 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
234 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
235 MAC2STR(addr));
236 reason = WLAN_REASON_UNSPECIFIED;
237 goto fail;
238 }
239
240 #ifdef CONFIG_P2P
241 if (elems.p2p) {
242 wpabuf_free(sta->p2p_ie);
243 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
244 P2P_IE_VENDOR_TYPE);
245 if (sta->p2p_ie)
246 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
247 }
248 #endif /* CONFIG_P2P */
249
250 #ifdef NEED_AP_MLME
251 if (elems.ht_capabilities &&
252 (hapd->iface->conf->ht_capab &
253 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
254 struct ieee80211_ht_capabilities *ht_cap =
255 (struct ieee80211_ht_capabilities *)
256 elems.ht_capabilities;
257
258 if (le_to_host16(ht_cap->ht_capabilities_info) &
259 HT_CAP_INFO_40MHZ_INTOLERANT)
260 ht40_intolerant_add(hapd->iface, sta);
261 }
262 #endif /* NEED_AP_MLME */
263
264 #ifdef CONFIG_INTERWORKING
265 if (elems.ext_capab && elems.ext_capab_len > 4) {
266 if (elems.ext_capab[4] & 0x01)
267 sta->qos_map_enabled = 1;
268 }
269 #endif /* CONFIG_INTERWORKING */
270
271 #ifdef CONFIG_HS20
272 wpabuf_free(sta->hs20_ie);
273 if (elems.hs20 && elems.hs20_len > 4) {
274 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
275 elems.hs20_len - 4);
276 } else
277 sta->hs20_ie = NULL;
278
279 wpabuf_free(sta->roaming_consortium);
280 if (elems.roaming_cons_sel)
281 sta->roaming_consortium = wpabuf_alloc_copy(
282 elems.roaming_cons_sel + 4,
283 elems.roaming_cons_sel_len - 4);
284 else
285 sta->roaming_consortium = NULL;
286 #endif /* CONFIG_HS20 */
287
288 #ifdef CONFIG_FST
289 wpabuf_free(sta->mb_ies);
290 if (hapd->iface->fst)
291 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
292 else
293 sta->mb_ies = NULL;
294 #endif /* CONFIG_FST */
295
296 mbo_ap_check_sta_assoc(hapd, sta, &elems);
297
298 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
299 elems.supp_op_classes_len);
300
301 if (hapd->conf->wpa) {
302 if (ie == NULL || ielen == 0) {
303 #ifdef CONFIG_WPS
304 if (hapd->conf->wps_state) {
305 wpa_printf(MSG_DEBUG,
306 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
307 sta->flags |= WLAN_STA_MAYBE_WPS;
308 goto skip_wpa_check;
309 }
310 #endif /* CONFIG_WPS */
311
312 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
313 reason = WLAN_REASON_INVALID_IE;
314 status = WLAN_STATUS_INVALID_IE;
315 goto fail;
316 }
317 #ifdef CONFIG_WPS
318 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
319 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
320 struct wpabuf *wps;
321
322 if (check_sa_query_need(hapd, sta)) {
323 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
324
325 p = hostapd_eid_assoc_comeback_time(hapd, sta,
326 p);
327
328 hostapd_sta_assoc(hapd, addr, reassoc, status,
329 buf, p - buf);
330 return 0;
331 }
332
333 sta->flags |= WLAN_STA_WPS;
334 wps = ieee802_11_vendor_ie_concat(ie, ielen,
335 WPS_IE_VENDOR_TYPE);
336 if (wps) {
337 if (wps_is_20(wps)) {
338 wpa_printf(MSG_DEBUG,
339 "WPS: STA supports WPS 2.0");
340 sta->flags |= WLAN_STA_WPS2;
341 }
342 wpabuf_free(wps);
343 }
344 goto skip_wpa_check;
345 }
346 #endif /* CONFIG_WPS */
347
348 if (sta->wpa_sm == NULL)
349 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
350 sta->addr,
351 p2p_dev_addr);
352 if (sta->wpa_sm == NULL) {
353 wpa_printf(MSG_ERROR,
354 "Failed to initialize WPA state machine");
355 return -1;
356 }
357 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
358 hapd->iface->freq,
359 ie, ielen,
360 elems.rsnxe ? elems.rsnxe - 2 : NULL,
361 elems.rsnxe ? elems.rsnxe_len + 2 : 0,
362 elems.mdie, elems.mdie_len,
363 elems.owe_dh, elems.owe_dh_len);
364 reason = WLAN_REASON_INVALID_IE;
365 status = WLAN_STATUS_INVALID_IE;
366 switch (res) {
367 case WPA_IE_OK:
368 reason = WLAN_REASON_UNSPECIFIED;
369 status = WLAN_STATUS_SUCCESS;
370 break;
371 case WPA_INVALID_IE:
372 reason = WLAN_REASON_INVALID_IE;
373 status = WLAN_STATUS_INVALID_IE;
374 break;
375 case WPA_INVALID_GROUP:
376 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
377 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
378 break;
379 case WPA_INVALID_PAIRWISE:
380 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
381 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
382 break;
383 case WPA_INVALID_AKMP:
384 reason = WLAN_REASON_AKMP_NOT_VALID;
385 status = WLAN_STATUS_AKMP_NOT_VALID;
386 break;
387 case WPA_NOT_ENABLED:
388 reason = WLAN_REASON_INVALID_IE;
389 status = WLAN_STATUS_INVALID_IE;
390 break;
391 case WPA_ALLOC_FAIL:
392 reason = WLAN_REASON_UNSPECIFIED;
393 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
394 break;
395 case WPA_MGMT_FRAME_PROTECTION_VIOLATION:
396 reason = WLAN_REASON_INVALID_IE;
397 status = WLAN_STATUS_INVALID_IE;
398 break;
399 case WPA_INVALID_MGMT_GROUP_CIPHER:
400 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
401 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
402 break;
403 case WPA_INVALID_MDIE:
404 reason = WLAN_REASON_INVALID_MDE;
405 status = WLAN_STATUS_INVALID_MDIE;
406 break;
407 case WPA_INVALID_PROTO:
408 reason = WLAN_REASON_INVALID_IE;
409 status = WLAN_STATUS_INVALID_IE;
410 break;
411 case WPA_INVALID_PMKID:
412 reason = WLAN_REASON_INVALID_PMKID;
413 status = WLAN_STATUS_INVALID_PMKID;
414 break;
415 case WPA_DENIED_OTHER_REASON:
416 reason = WLAN_REASON_UNSPECIFIED;
417 status = WLAN_STATUS_ASSOC_DENIED_UNSPEC;
418 break;
419 }
420 if (status != WLAN_STATUS_SUCCESS) {
421 wpa_printf(MSG_DEBUG,
422 "WPA/RSN information element rejected? (res %u)",
423 res);
424 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
425 goto fail;
426 }
427
428 if (check_sa_query_need(hapd, sta)) {
429 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
430
431 p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
432
433 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
434 p - buf);
435 return 0;
436 }
437
438 if (wpa_auth_uses_mfp(sta->wpa_sm))
439 sta->flags |= WLAN_STA_MFP;
440 else
441 sta->flags &= ~WLAN_STA_MFP;
442
443 #ifdef CONFIG_IEEE80211R_AP
444 if (sta->auth_alg == WLAN_AUTH_FT) {
445 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
446 req_ies_len);
447 if (status != WLAN_STATUS_SUCCESS) {
448 if (status == WLAN_STATUS_INVALID_PMKID)
449 reason = WLAN_REASON_INVALID_IE;
450 if (status == WLAN_STATUS_INVALID_MDIE)
451 reason = WLAN_REASON_INVALID_IE;
452 if (status == WLAN_STATUS_INVALID_FTIE)
453 reason = WLAN_REASON_INVALID_IE;
454 goto fail;
455 }
456 }
457 #endif /* CONFIG_IEEE80211R_AP */
458 #ifdef CONFIG_SAE
459 if (hapd->conf->sae_pwe == 2 &&
460 sta->auth_alg == WLAN_AUTH_SAE &&
461 sta->sae && !sta->sae->h2e &&
462 elems.rsnxe && elems.rsnxe_len >= 1 &&
463 (elems.rsnxe[0] & BIT(WLAN_RSNX_CAPAB_SAE_H2E))) {
464 wpa_printf(MSG_INFO, "SAE: " MACSTR
465 " indicates support for SAE H2E, but did not use it",
466 MAC2STR(sta->addr));
467 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
468 reason = WLAN_REASON_UNSPECIFIED;
469 goto fail;
470 }
471 #endif /* CONFIG_SAE */
472 } else if (hapd->conf->wps_state) {
473 #ifdef CONFIG_WPS
474 struct wpabuf *wps;
475
476 if (req_ies)
477 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
478 WPS_IE_VENDOR_TYPE);
479 else
480 wps = NULL;
481 #ifdef CONFIG_WPS_STRICT
482 if (wps && wps_validate_assoc_req(wps) < 0) {
483 reason = WLAN_REASON_INVALID_IE;
484 status = WLAN_STATUS_INVALID_IE;
485 wpabuf_free(wps);
486 goto fail;
487 }
488 #endif /* CONFIG_WPS_STRICT */
489 if (wps) {
490 sta->flags |= WLAN_STA_WPS;
491 if (wps_is_20(wps)) {
492 wpa_printf(MSG_DEBUG,
493 "WPS: STA supports WPS 2.0");
494 sta->flags |= WLAN_STA_WPS2;
495 }
496 } else
497 sta->flags |= WLAN_STA_MAYBE_WPS;
498 wpabuf_free(wps);
499 #endif /* CONFIG_WPS */
500 #ifdef CONFIG_HS20
501 } else if (hapd->conf->osen) {
502 if (elems.osen == NULL) {
503 hostapd_logger(
504 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
505 HOSTAPD_LEVEL_INFO,
506 "No HS 2.0 OSEN element in association request");
507 return WLAN_STATUS_INVALID_IE;
508 }
509
510 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
511 if (sta->wpa_sm == NULL)
512 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
513 sta->addr, NULL);
514 if (sta->wpa_sm == NULL) {
515 wpa_printf(MSG_WARNING,
516 "Failed to initialize WPA state machine");
517 return WLAN_STATUS_UNSPECIFIED_FAILURE;
518 }
519 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
520 elems.osen - 2, elems.osen_len + 2) < 0)
521 return WLAN_STATUS_INVALID_IE;
522 #endif /* CONFIG_HS20 */
523 }
524 #ifdef CONFIG_WPS
525 skip_wpa_check:
526 #endif /* CONFIG_WPS */
527
528 #ifdef CONFIG_MBO
529 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
530 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
531 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
532 wpa_printf(MSG_INFO,
533 "MBO: Reject WPA2 association without PMF");
534 return WLAN_STATUS_UNSPECIFIED_FAILURE;
535 }
536 #endif /* CONFIG_MBO */
537
538 #ifdef CONFIG_IEEE80211R_AP
539 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
540 sta->auth_alg, req_ies, req_ies_len,
541 !elems.rsnxe);
542 if (!p) {
543 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
544 return WLAN_STATUS_UNSPECIFIED_FAILURE;
545 }
546 #endif /* CONFIG_IEEE80211R_AP */
547
548 #ifdef CONFIG_FILS
549 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
550 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
551 sta->auth_alg == WLAN_AUTH_FILS_PK) {
552 int delay_assoc = 0;
553
554 if (!req_ies)
555 return WLAN_STATUS_UNSPECIFIED_FAILURE;
556
557 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
558 req_ies_len,
559 sta->fils_session)) {
560 wpa_printf(MSG_DEBUG,
561 "FILS: Session validation failed");
562 return WLAN_STATUS_UNSPECIFIED_FAILURE;
563 }
564
565 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
566 req_ies_len);
567 if (res < 0) {
568 wpa_printf(MSG_DEBUG,
569 "FILS: Key Confirm validation failed");
570 return WLAN_STATUS_UNSPECIFIED_FAILURE;
571 }
572
573 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
574 wpa_printf(MSG_DEBUG,
575 "FILS: Delaying Assoc Response (HLP)");
576 delay_assoc = 1;
577 } else {
578 wpa_printf(MSG_DEBUG,
579 "FILS: Going ahead with Assoc Response (no HLP)");
580 }
581
582 if (sta) {
583 wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
584 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
585 os_free(sta->fils_pending_assoc_req);
586 sta->fils_pending_assoc_req = NULL;
587 sta->fils_pending_assoc_req_len = 0;
588 wpabuf_free(sta->fils_hlp_resp);
589 sta->fils_hlp_resp = NULL;
590 sta->fils_drv_assoc_finish = 0;
591 }
592
593 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
594 u8 *req_tmp;
595
596 req_tmp = os_malloc(req_ies_len);
597 if (!req_tmp) {
598 wpa_printf(MSG_DEBUG,
599 "FILS: buffer allocation failed for assoc req");
600 goto fail;
601 }
602 os_memcpy(req_tmp, req_ies, req_ies_len);
603 sta->fils_pending_assoc_req = req_tmp;
604 sta->fils_pending_assoc_req_len = req_ies_len;
605 sta->fils_pending_assoc_is_reassoc = reassoc;
606 sta->fils_drv_assoc_finish = 1;
607 wpa_printf(MSG_DEBUG,
608 "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
609 MACSTR, MAC2STR(sta->addr));
610 eloop_register_timeout(
611 0, hapd->conf->fils_hlp_wait_time * 1024,
612 fils_hlp_timeout, hapd, sta);
613 return 0;
614 }
615 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
616 elems.fils_session,
617 sta->fils_hlp_resp);
618 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
619 buf, p - buf);
620 }
621 #endif /* CONFIG_FILS */
622
623 #ifdef CONFIG_OWE
624 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
625 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
626 elems.owe_dh) {
627 u8 *npos;
628 u16 ret_status;
629
630 npos = owe_assoc_req_process(hapd, sta,
631 elems.owe_dh, elems.owe_dh_len,
632 p, sizeof(buf) - (p - buf),
633 &ret_status);
634 status = ret_status;
635 if (npos)
636 p = npos;
637
638 if (!npos &&
639 status == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
640 hostapd_sta_assoc(hapd, addr, reassoc, ret_status, buf,
641 p - buf);
642 return 0;
643 }
644
645 if (!npos || status != WLAN_STATUS_SUCCESS)
646 goto fail;
647 }
648 #endif /* CONFIG_OWE */
649
650 #ifdef CONFIG_DPP2
651 dpp_pfs_free(sta->dpp_pfs);
652 sta->dpp_pfs = NULL;
653
654 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) &&
655 hapd->conf->dpp_netaccesskey && sta->wpa_sm &&
656 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_DPP &&
657 elems.owe_dh) {
658 sta->dpp_pfs = dpp_pfs_init(
659 wpabuf_head(hapd->conf->dpp_netaccesskey),
660 wpabuf_len(hapd->conf->dpp_netaccesskey));
661 if (!sta->dpp_pfs) {
662 wpa_printf(MSG_DEBUG,
663 "DPP: Could not initialize PFS");
664 /* Try to continue without PFS */
665 goto pfs_fail;
666 }
667
668 if (dpp_pfs_process(sta->dpp_pfs, elems.owe_dh,
669 elems.owe_dh_len) < 0) {
670 dpp_pfs_free(sta->dpp_pfs);
671 sta->dpp_pfs = NULL;
672 reason = WLAN_REASON_UNSPECIFIED;
673 goto fail;
674 }
675 }
676
677 wpa_auth_set_dpp_z(sta->wpa_sm, sta->dpp_pfs ?
678 sta->dpp_pfs->secret : NULL);
679 pfs_fail:
680 #endif /* CONFIG_DPP2 */
681
682 if (elems.rrm_enabled &&
683 elems.rrm_enabled_len >= sizeof(sta->rrm_enabled_capa))
684 os_memcpy(sta->rrm_enabled_capa, elems.rrm_enabled,
685 sizeof(sta->rrm_enabled_capa));
686
687 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
688 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
689
690 if (sta->auth_alg == WLAN_AUTH_FT ||
691 sta->auth_alg == WLAN_AUTH_FILS_SK ||
692 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
693 sta->auth_alg == WLAN_AUTH_FILS_PK)
694 ap_sta_set_authorized(hapd, sta, 1);
695 #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
696 /* Keep compiler silent about unused variables */
697 if (status) {
698 }
699 #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
700
701 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
702 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
703 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
704
705 hostapd_set_sta_flags(hapd, sta);
706
707 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
708 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
709 #ifdef CONFIG_FILS
710 else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
711 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
712 sta->auth_alg == WLAN_AUTH_FILS_PK)
713 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
714 #endif /* CONFIG_FILS */
715 else
716 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
717
718 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
719
720 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
721
722 #ifdef CONFIG_P2P
723 if (req_ies) {
724 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
725 req_ies, req_ies_len);
726 }
727 #endif /* CONFIG_P2P */
728
729 return 0;
730
731 fail:
732 #ifdef CONFIG_IEEE80211R_AP
733 if (status >= 0)
734 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
735 #endif /* CONFIG_IEEE80211R_AP */
736 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
737 ap_free_sta(hapd, sta);
738 return -1;
739 }
740
741
hostapd_notif_disassoc(struct hostapd_data * hapd,const u8 * addr)742 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
743 {
744 struct sta_info *sta;
745
746 if (addr == NULL) {
747 /*
748 * This could potentially happen with unexpected event from the
749 * driver wrapper. This was seen at least in one case where the
750 * driver ended up reporting a station mode event while hostapd
751 * was running, so better make sure we stop processing such an
752 * event here.
753 */
754 wpa_printf(MSG_DEBUG,
755 "hostapd_notif_disassoc: Skip event with no address");
756 return;
757 }
758
759 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
760 HOSTAPD_LEVEL_INFO, "disassociated");
761
762 sta = ap_get_sta(hapd, addr);
763 if (sta == NULL) {
764 wpa_printf(MSG_DEBUG,
765 "Disassociation notification for unknown STA "
766 MACSTR, MAC2STR(addr));
767 return;
768 }
769
770 ap_sta_set_authorized(hapd, sta, 0);
771 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
772 hostapd_set_sta_flags(hapd, sta);
773 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
774 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
775 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
776 ap_free_sta(hapd, sta);
777 }
778
779
hostapd_event_sta_low_ack(struct hostapd_data * hapd,const u8 * addr)780 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
781 {
782 struct sta_info *sta = ap_get_sta(hapd, addr);
783
784 if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
785 return;
786
787 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
788 HOSTAPD_LEVEL_INFO,
789 "disconnected due to excessive missing ACKs");
790 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
791 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
792 }
793
794
hostapd_event_sta_opmode_changed(struct hostapd_data * hapd,const u8 * addr,enum smps_mode smps_mode,enum chan_width chan_width,u8 rx_nss)795 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
796 enum smps_mode smps_mode,
797 enum chan_width chan_width, u8 rx_nss)
798 {
799 struct sta_info *sta = ap_get_sta(hapd, addr);
800 const char *txt;
801
802 if (!sta)
803 return;
804
805 switch (smps_mode) {
806 case SMPS_AUTOMATIC:
807 txt = "automatic";
808 break;
809 case SMPS_OFF:
810 txt = "off";
811 break;
812 case SMPS_DYNAMIC:
813 txt = "dynamic";
814 break;
815 case SMPS_STATIC:
816 txt = "static";
817 break;
818 default:
819 txt = NULL;
820 break;
821 }
822 if (txt) {
823 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
824 MACSTR " %s", MAC2STR(addr), txt);
825 }
826
827 switch (chan_width) {
828 case CHAN_WIDTH_20_NOHT:
829 txt = "20(no-HT)";
830 break;
831 case CHAN_WIDTH_20:
832 txt = "20";
833 break;
834 case CHAN_WIDTH_40:
835 txt = "40";
836 break;
837 case CHAN_WIDTH_80:
838 txt = "80";
839 break;
840 case CHAN_WIDTH_80P80:
841 txt = "80+80";
842 break;
843 case CHAN_WIDTH_160:
844 txt = "160";
845 break;
846 default:
847 txt = NULL;
848 break;
849 }
850 if (txt) {
851 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
852 MACSTR " %s", MAC2STR(addr), txt);
853 }
854
855 if (rx_nss != 0xff) {
856 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
857 MACSTR " %d", MAC2STR(addr), rx_nss);
858 }
859 }
860
861
hostapd_event_ch_switch(struct hostapd_data * hapd,int freq,int ht,int offset,int width,int cf1,int cf2,int finished)862 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
863 int offset, int width, int cf1, int cf2,
864 int finished)
865 {
866 #ifdef NEED_AP_MLME
867 int channel, chwidth, is_dfs;
868 u8 seg0_idx = 0, seg1_idx = 0;
869 size_t i;
870
871 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
872 HOSTAPD_LEVEL_INFO,
873 "driver %s channel switch: freq=%d, ht=%d, vht_ch=0x%x, he_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
874 finished ? "had" : "starting",
875 freq, ht, hapd->iconf->ch_switch_vht_config,
876 hapd->iconf->ch_switch_he_config, offset,
877 width, channel_width_to_string(width), cf1, cf2);
878
879 if (!hapd->iface->current_mode) {
880 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
881 HOSTAPD_LEVEL_WARNING,
882 "ignore channel switch since the interface is not yet ready");
883 return;
884 }
885
886 hapd->iface->freq = freq;
887
888 channel = hostapd_hw_get_channel(hapd, freq);
889 if (!channel) {
890 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
891 HOSTAPD_LEVEL_WARNING,
892 "driver switched to bad channel!");
893 return;
894 }
895
896 switch (width) {
897 case CHAN_WIDTH_80:
898 chwidth = CHANWIDTH_80MHZ;
899 break;
900 case CHAN_WIDTH_80P80:
901 chwidth = CHANWIDTH_80P80MHZ;
902 break;
903 case CHAN_WIDTH_160:
904 chwidth = CHANWIDTH_160MHZ;
905 break;
906 case CHAN_WIDTH_20_NOHT:
907 case CHAN_WIDTH_20:
908 case CHAN_WIDTH_40:
909 default:
910 chwidth = CHANWIDTH_USE_HT;
911 break;
912 }
913
914 switch (hapd->iface->current_mode->mode) {
915 case HOSTAPD_MODE_IEEE80211A:
916 if (cf1 == 5935)
917 seg0_idx = (cf1 - 5925) / 5;
918 else if (cf1 > 5950)
919 seg0_idx = (cf1 - 5950) / 5;
920 else if (cf1 > 5000)
921 seg0_idx = (cf1 - 5000) / 5;
922
923 if (cf2 == 5935)
924 seg1_idx = (cf2 - 5925) / 5;
925 else if (cf2 > 5950)
926 seg1_idx = (cf2 - 5950) / 5;
927 else if (cf2 > 5000)
928 seg1_idx = (cf2 - 5000) / 5;
929 break;
930 default:
931 ieee80211_freq_to_chan(cf1, &seg0_idx);
932 ieee80211_freq_to_chan(cf2, &seg1_idx);
933 break;
934 }
935
936 hapd->iconf->channel = channel;
937 hapd->iconf->ieee80211n = ht;
938 if (!ht) {
939 hapd->iconf->ieee80211ac = 0;
940 } else if (hapd->iconf->ch_switch_vht_config) {
941 /* CHAN_SWITCH VHT config */
942 if (hapd->iconf->ch_switch_vht_config &
943 CH_SWITCH_VHT_ENABLED)
944 hapd->iconf->ieee80211ac = 1;
945 else if (hapd->iconf->ch_switch_vht_config &
946 CH_SWITCH_VHT_DISABLED)
947 hapd->iconf->ieee80211ac = 0;
948 } else if (hapd->iconf->ch_switch_he_config) {
949 /* CHAN_SWITCH HE config */
950 if (hapd->iconf->ch_switch_he_config &
951 CH_SWITCH_HE_ENABLED)
952 hapd->iconf->ieee80211ax = 1;
953 else if (hapd->iconf->ch_switch_he_config &
954 CH_SWITCH_HE_DISABLED)
955 hapd->iconf->ieee80211ax = 0;
956 }
957 hapd->iconf->ch_switch_vht_config = 0;
958 hapd->iconf->ch_switch_he_config = 0;
959
960 hapd->iconf->secondary_channel = offset;
961 hostapd_set_oper_chwidth(hapd->iconf, chwidth);
962 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, seg0_idx);
963 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, seg1_idx);
964
965 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
966 hapd->iface->num_hw_features);
967
968 wpa_msg(hapd->msg_ctx, MSG_INFO,
969 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d dfs=%d",
970 finished ? WPA_EVENT_CHANNEL_SWITCH :
971 WPA_EVENT_CHANNEL_SWITCH_STARTED,
972 freq, ht, offset, channel_width_to_string(width),
973 cf1, cf2, is_dfs);
974 if (!finished)
975 return;
976
977 if (hapd->csa_in_progress &&
978 freq == hapd->cs_freq_params.freq) {
979 hostapd_cleanup_cs_params(hapd);
980 ieee802_11_set_beacon(hapd);
981
982 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
983 "freq=%d dfs=%d", freq, is_dfs);
984 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
985 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
986 "freq=%d dfs=%d", freq, is_dfs);
987 } else if (is_dfs &&
988 hostapd_is_dfs_required(hapd->iface) &&
989 !hostapd_is_dfs_chan_available(hapd->iface) &&
990 !hapd->iface->cac_started) {
991 hostapd_disable_iface(hapd->iface);
992 hostapd_enable_iface(hapd->iface);
993 }
994
995 for (i = 0; i < hapd->iface->num_bss; i++)
996 hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
997
998 #ifdef CONFIG_OCV
999 if (hapd->conf->ocv) {
1000 struct sta_info *sta;
1001 bool check_sa_query = false;
1002
1003 for (sta = hapd->sta_list; sta; sta = sta->next) {
1004 if (wpa_auth_uses_ocv(sta->wpa_sm) &&
1005 !(sta->flags & WLAN_STA_WNM_SLEEP_MODE)) {
1006 sta->post_csa_sa_query = 1;
1007 check_sa_query = true;
1008 }
1009 }
1010
1011 if (check_sa_query) {
1012 wpa_printf(MSG_DEBUG,
1013 "OCV: Check post-CSA SA Query initiation in 15 seconds");
1014 eloop_register_timeout(15, 0,
1015 hostapd_ocv_check_csa_sa_query,
1016 hapd, NULL);
1017 }
1018 }
1019 #endif /* CONFIG_OCV */
1020 #endif /* NEED_AP_MLME */
1021 }
1022
1023
hostapd_event_connect_failed_reason(struct hostapd_data * hapd,const u8 * addr,int reason_code)1024 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
1025 const u8 *addr, int reason_code)
1026 {
1027 switch (reason_code) {
1028 case MAX_CLIENT_REACHED:
1029 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
1030 MAC2STR(addr));
1031 break;
1032 case BLOCKED_CLIENT:
1033 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
1034 MAC2STR(addr));
1035 break;
1036 }
1037 }
1038
1039
1040 #ifdef CONFIG_ACS
hostapd_acs_channel_selected(struct hostapd_data * hapd,struct acs_selected_channels * acs_res)1041 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
1042 struct acs_selected_channels *acs_res)
1043 {
1044 int ret, i;
1045 int err = 0;
1046 struct hostapd_channel_data *pri_chan;
1047
1048 if (hapd->iconf->channel) {
1049 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
1050 hapd->iconf->channel);
1051 return;
1052 }
1053
1054 hapd->iface->freq = acs_res->pri_freq;
1055
1056 if (!hapd->iface->current_mode) {
1057 for (i = 0; i < hapd->iface->num_hw_features; i++) {
1058 struct hostapd_hw_modes *mode =
1059 &hapd->iface->hw_features[i];
1060
1061 if (mode->mode == acs_res->hw_mode) {
1062 if (hapd->iface->freq > 0 &&
1063 !hw_get_chan(mode->mode,
1064 hapd->iface->freq,
1065 hapd->iface->hw_features,
1066 hapd->iface->num_hw_features))
1067 continue;
1068 hapd->iface->current_mode = mode;
1069 break;
1070 }
1071 }
1072 if (!hapd->iface->current_mode) {
1073 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1074 HOSTAPD_LEVEL_WARNING,
1075 "driver selected to bad hw_mode");
1076 err = 1;
1077 goto out;
1078 }
1079 }
1080
1081 if (!acs_res->pri_freq) {
1082 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1083 HOSTAPD_LEVEL_WARNING,
1084 "driver switched to bad channel");
1085 err = 1;
1086 goto out;
1087 }
1088 pri_chan = hw_get_channel_freq(hapd->iface->current_mode->mode,
1089 acs_res->pri_freq, NULL,
1090 hapd->iface->hw_features,
1091 hapd->iface->num_hw_features);
1092 if (!pri_chan) {
1093 wpa_printf(MSG_ERROR,
1094 "ACS: Could not determine primary channel number from pri_freq %u",
1095 acs_res->pri_freq);
1096 err = 1;
1097 goto out;
1098 }
1099
1100 hapd->iconf->channel = pri_chan->chan;
1101 hapd->iconf->acs = 1;
1102
1103 if (acs_res->sec_freq == 0)
1104 hapd->iconf->secondary_channel = 0;
1105 else if (acs_res->sec_freq < acs_res->pri_freq)
1106 hapd->iconf->secondary_channel = -1;
1107 else if (acs_res->sec_freq > acs_res->pri_freq)
1108 hapd->iconf->secondary_channel = 1;
1109 else {
1110 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
1111 err = 1;
1112 goto out;
1113 }
1114
1115 hapd->iconf->edmg_channel = acs_res->edmg_channel;
1116
1117 if (hapd->iface->conf->ieee80211ac || hapd->iface->conf->ieee80211ax) {
1118 /* set defaults for backwards compatibility */
1119 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, 0);
1120 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, 0);
1121 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_USE_HT);
1122 if (acs_res->ch_width == 40) {
1123 if (is_6ghz_freq(acs_res->pri_freq))
1124 hostapd_set_oper_centr_freq_seg0_idx(
1125 hapd->iconf,
1126 acs_res->vht_seg0_center_ch);
1127 } else if (acs_res->ch_width == 80) {
1128 hostapd_set_oper_centr_freq_seg0_idx(
1129 hapd->iconf, acs_res->vht_seg0_center_ch);
1130 if (acs_res->vht_seg1_center_ch == 0) {
1131 hostapd_set_oper_chwidth(hapd->iconf,
1132 CHANWIDTH_80MHZ);
1133 } else {
1134 hostapd_set_oper_chwidth(hapd->iconf,
1135 CHANWIDTH_80P80MHZ);
1136 hostapd_set_oper_centr_freq_seg1_idx(
1137 hapd->iconf,
1138 acs_res->vht_seg1_center_ch);
1139 }
1140 } else if (acs_res->ch_width == 160) {
1141 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_160MHZ);
1142 hostapd_set_oper_centr_freq_seg0_idx(
1143 hapd->iconf, acs_res->vht_seg1_center_ch);
1144 }
1145 }
1146
1147 out:
1148 ret = hostapd_acs_completed(hapd->iface, err);
1149 if (ret) {
1150 wpa_printf(MSG_ERROR,
1151 "ACS: Possibly channel configuration is invalid");
1152 }
1153 }
1154 #endif /* CONFIG_ACS */
1155
1156
hostapd_probe_req_rx(struct hostapd_data * hapd,const u8 * sa,const u8 * da,const u8 * bssid,const u8 * ie,size_t ie_len,int ssi_signal)1157 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
1158 const u8 *bssid, const u8 *ie, size_t ie_len,
1159 int ssi_signal)
1160 {
1161 size_t i;
1162 int ret = 0;
1163
1164 if (sa == NULL || ie == NULL)
1165 return -1;
1166
1167 random_add_randomness(sa, ETH_ALEN);
1168 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
1169 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
1170 sa, da, bssid, ie, ie_len,
1171 ssi_signal) > 0) {
1172 ret = 1;
1173 break;
1174 }
1175 }
1176 return ret;
1177 }
1178
1179
1180 #ifdef HOSTAPD
1181
1182 #ifdef CONFIG_IEEE80211R_AP
hostapd_notify_auth_ft_finish(void * ctx,const u8 * dst,const u8 * bssid,u16 auth_transaction,u16 status,const u8 * ies,size_t ies_len)1183 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
1184 const u8 *bssid,
1185 u16 auth_transaction, u16 status,
1186 const u8 *ies, size_t ies_len)
1187 {
1188 struct hostapd_data *hapd = ctx;
1189 struct sta_info *sta;
1190
1191 sta = ap_get_sta(hapd, dst);
1192 if (sta == NULL)
1193 return;
1194
1195 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
1196 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
1197 sta->flags |= WLAN_STA_AUTH;
1198
1199 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
1200 }
1201 #endif /* CONFIG_IEEE80211R_AP */
1202
1203
1204 #ifdef CONFIG_FILS
hostapd_notify_auth_fils_finish(struct hostapd_data * hapd,struct sta_info * sta,u16 resp,struct wpabuf * data,int pub)1205 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
1206 struct sta_info *sta, u16 resp,
1207 struct wpabuf *data, int pub)
1208 {
1209 if (resp == WLAN_STATUS_SUCCESS) {
1210 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1211 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
1212 sta->flags |= WLAN_STA_AUTH;
1213 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
1214 sta->auth_alg = WLAN_AUTH_FILS_SK;
1215 mlme_authenticate_indication(hapd, sta);
1216 } else {
1217 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1218 HOSTAPD_LEVEL_DEBUG,
1219 "authentication failed (FILS)");
1220 }
1221
1222 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1223 data ? wpabuf_head(data) : NULL,
1224 data ? wpabuf_len(data) : 0);
1225 wpabuf_free(data);
1226 }
1227 #endif /* CONFIG_FILS */
1228
1229
hostapd_notif_auth(struct hostapd_data * hapd,struct auth_info * rx_auth)1230 static void hostapd_notif_auth(struct hostapd_data *hapd,
1231 struct auth_info *rx_auth)
1232 {
1233 struct sta_info *sta;
1234 u16 status = WLAN_STATUS_SUCCESS;
1235 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1236 size_t resp_ies_len = 0;
1237
1238 sta = ap_get_sta(hapd, rx_auth->peer);
1239 if (!sta) {
1240 sta = ap_sta_add(hapd, rx_auth->peer);
1241 if (sta == NULL) {
1242 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1243 goto fail;
1244 }
1245 }
1246 sta->flags &= ~WLAN_STA_PREAUTH;
1247 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1248 #ifdef CONFIG_IEEE80211R_AP
1249 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1250 sta->auth_alg = WLAN_AUTH_FT;
1251 if (sta->wpa_sm == NULL)
1252 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1253 sta->addr, NULL);
1254 if (sta->wpa_sm == NULL) {
1255 wpa_printf(MSG_DEBUG,
1256 "FT: Failed to initialize WPA state machine");
1257 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1258 goto fail;
1259 }
1260 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1261 rx_auth->auth_transaction, rx_auth->ies,
1262 rx_auth->ies_len,
1263 hostapd_notify_auth_ft_finish, hapd);
1264 return;
1265 }
1266 #endif /* CONFIG_IEEE80211R_AP */
1267
1268 #ifdef CONFIG_FILS
1269 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1270 sta->auth_alg = WLAN_AUTH_FILS_SK;
1271 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1272 rx_auth->auth_type, rx_auth->auth_transaction,
1273 rx_auth->status_code,
1274 hostapd_notify_auth_fils_finish);
1275 return;
1276 }
1277 #endif /* CONFIG_FILS */
1278
1279 fail:
1280 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1281 status, resp_ies, resp_ies_len);
1282 }
1283
1284
1285 #ifndef NEED_AP_MLME
hostapd_action_rx(struct hostapd_data * hapd,struct rx_mgmt * drv_mgmt)1286 static void hostapd_action_rx(struct hostapd_data *hapd,
1287 struct rx_mgmt *drv_mgmt)
1288 {
1289 struct ieee80211_mgmt *mgmt;
1290 struct sta_info *sta;
1291 size_t plen __maybe_unused;
1292 u16 fc;
1293 u8 *action __maybe_unused;
1294
1295 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1296 return;
1297
1298 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
1299
1300 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1301 fc = le_to_host16(mgmt->frame_control);
1302 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1303 return; /* handled by the driver */
1304
1305 action = (u8 *) &mgmt->u.action.u;
1306 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1307 " da " MACSTR " plen %d",
1308 mgmt->u.action.category, *action,
1309 MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
1310
1311 sta = ap_get_sta(hapd, mgmt->sa);
1312 if (sta == NULL) {
1313 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1314 return;
1315 }
1316 #ifdef CONFIG_IEEE80211R_AP
1317 if (mgmt->u.action.category == WLAN_ACTION_FT) {
1318 wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
1319 return;
1320 }
1321 #endif /* CONFIG_IEEE80211R_AP */
1322 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
1323 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
1324 return;
1325 }
1326 #ifdef CONFIG_WNM_AP
1327 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1328 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1329 return;
1330 }
1331 #endif /* CONFIG_WNM_AP */
1332 #ifdef CONFIG_FST
1333 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1334 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1335 return;
1336 }
1337 #endif /* CONFIG_FST */
1338 #ifdef CONFIG_DPP
1339 if (plen >= 2 + 4 &&
1340 mgmt->u.action.u.vs_public_action.action ==
1341 WLAN_PA_VENDOR_SPECIFIC &&
1342 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1343 OUI_WFA &&
1344 mgmt->u.action.u.vs_public_action.variable[0] ==
1345 DPP_OUI_TYPE) {
1346 const u8 *pos, *end;
1347
1348 pos = mgmt->u.action.u.vs_public_action.oui;
1349 end = drv_mgmt->frame + drv_mgmt->frame_len;
1350 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1351 drv_mgmt->freq);
1352 return;
1353 }
1354 #endif /* CONFIG_DPP */
1355 }
1356 #endif /* NEED_AP_MLME */
1357
1358
1359 #ifdef NEED_AP_MLME
1360
1361 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1362
get_hapd_bssid(struct hostapd_iface * iface,const u8 * bssid)1363 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1364 const u8 *bssid)
1365 {
1366 size_t i;
1367
1368 if (bssid == NULL)
1369 return NULL;
1370 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1371 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1372 return HAPD_BROADCAST;
1373
1374 for (i = 0; i < iface->num_bss; i++) {
1375 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1376 return iface->bss[i];
1377 }
1378
1379 return NULL;
1380 }
1381
1382
hostapd_rx_from_unknown_sta(struct hostapd_data * hapd,const u8 * bssid,const u8 * addr,int wds)1383 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1384 const u8 *bssid, const u8 *addr,
1385 int wds)
1386 {
1387 hapd = get_hapd_bssid(hapd->iface, bssid);
1388 if (hapd == NULL || hapd == HAPD_BROADCAST)
1389 return;
1390
1391 ieee802_11_rx_from_unknown(hapd, addr, wds);
1392 }
1393
1394
hostapd_mgmt_rx(struct hostapd_data * hapd,struct rx_mgmt * rx_mgmt)1395 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1396 {
1397 struct hostapd_iface *iface = hapd->iface;
1398 const struct ieee80211_hdr *hdr;
1399 const u8 *bssid;
1400 struct hostapd_frame_info fi;
1401 int ret;
1402
1403 #ifdef CONFIG_TESTING_OPTIONS
1404 if (hapd->ext_mgmt_frame_handling) {
1405 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1406 char *hex = os_malloc(hex_len);
1407
1408 if (hex) {
1409 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1410 rx_mgmt->frame_len);
1411 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1412 os_free(hex);
1413 }
1414 return 1;
1415 }
1416 #endif /* CONFIG_TESTING_OPTIONS */
1417
1418 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1419 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1420 if (bssid == NULL)
1421 return 0;
1422
1423 hapd = get_hapd_bssid(iface, bssid);
1424 if (hapd == NULL) {
1425 u16 fc = le_to_host16(hdr->frame_control);
1426
1427 /*
1428 * Drop frames to unknown BSSIDs except for Beacon frames which
1429 * could be used to update neighbor information.
1430 */
1431 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1432 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1433 hapd = iface->bss[0];
1434 else
1435 return 0;
1436 }
1437
1438 os_memset(&fi, 0, sizeof(fi));
1439 fi.freq = rx_mgmt->freq;
1440 fi.datarate = rx_mgmt->datarate;
1441 fi.ssi_signal = rx_mgmt->ssi_signal;
1442
1443 if (hapd == HAPD_BROADCAST) {
1444 size_t i;
1445
1446 ret = 0;
1447 for (i = 0; i < iface->num_bss; i++) {
1448 /* if bss is set, driver will call this function for
1449 * each bss individually. */
1450 if (rx_mgmt->drv_priv &&
1451 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1452 continue;
1453
1454 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1455 rx_mgmt->frame_len, &fi) > 0)
1456 ret = 1;
1457 }
1458 } else
1459 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1460 &fi);
1461
1462 random_add_randomness(&fi, sizeof(fi));
1463
1464 return ret;
1465 }
1466
1467
hostapd_mgmt_tx_cb(struct hostapd_data * hapd,const u8 * buf,size_t len,u16 stype,int ok)1468 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1469 size_t len, u16 stype, int ok)
1470 {
1471 struct ieee80211_hdr *hdr;
1472 struct hostapd_data *orig_hapd = hapd;
1473
1474 hdr = (struct ieee80211_hdr *) buf;
1475 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1476 if (!hapd)
1477 return;
1478 if (hapd == HAPD_BROADCAST) {
1479 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1480 buf[24] != WLAN_ACTION_PUBLIC)
1481 return;
1482 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1483 if (!hapd || hapd == HAPD_BROADCAST)
1484 return;
1485 /*
1486 * Allow processing of TX status for a Public Action frame that
1487 * used wildcard BBSID.
1488 */
1489 }
1490 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1491 }
1492
1493 #endif /* NEED_AP_MLME */
1494
1495
hostapd_event_new_sta(struct hostapd_data * hapd,const u8 * addr)1496 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1497 {
1498 struct sta_info *sta = ap_get_sta(hapd, addr);
1499
1500 if (sta)
1501 return 0;
1502
1503 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1504 " - adding a new STA", MAC2STR(addr));
1505 sta = ap_sta_add(hapd, addr);
1506 if (sta) {
1507 hostapd_new_assoc_sta(hapd, sta, 0);
1508 } else {
1509 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1510 MAC2STR(addr));
1511 return -1;
1512 }
1513
1514 return 0;
1515 }
1516
1517
hostapd_event_eapol_rx(struct hostapd_data * hapd,const u8 * src,const u8 * data,size_t data_len)1518 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1519 const u8 *data, size_t data_len)
1520 {
1521 struct hostapd_iface *iface = hapd->iface;
1522 struct sta_info *sta;
1523 size_t j;
1524
1525 for (j = 0; j < iface->num_bss; j++) {
1526 sta = ap_get_sta(iface->bss[j], src);
1527 if (sta && sta->flags & WLAN_STA_ASSOC) {
1528 hapd = iface->bss[j];
1529 break;
1530 }
1531 }
1532
1533 ieee802_1x_receive(hapd, src, data, data_len);
1534 }
1535
1536 #endif /* HOSTAPD */
1537
1538
1539 static struct hostapd_channel_data *
hostapd_get_mode_chan(struct hostapd_hw_modes * mode,unsigned int freq)1540 hostapd_get_mode_chan(struct hostapd_hw_modes *mode, unsigned int freq)
1541 {
1542 int i;
1543 struct hostapd_channel_data *chan;
1544
1545 for (i = 0; i < mode->num_channels; i++) {
1546 chan = &mode->channels[i];
1547 if ((unsigned int) chan->freq == freq)
1548 return chan;
1549 }
1550
1551 return NULL;
1552 }
1553
1554
hostapd_get_mode_channel(struct hostapd_iface * iface,unsigned int freq)1555 static struct hostapd_channel_data * hostapd_get_mode_channel(
1556 struct hostapd_iface *iface, unsigned int freq)
1557 {
1558 int i;
1559 struct hostapd_channel_data *chan;
1560
1561 for (i = 0; i < iface->num_hw_features; i++) {
1562 if (hostapd_hw_skip_mode(iface, &iface->hw_features[i]))
1563 continue;
1564 chan = hostapd_get_mode_chan(&iface->hw_features[i], freq);
1565 if (chan)
1566 return chan;
1567 }
1568
1569 return NULL;
1570 }
1571
1572
hostapd_update_nf(struct hostapd_iface * iface,struct hostapd_channel_data * chan,struct freq_survey * survey)1573 static void hostapd_update_nf(struct hostapd_iface *iface,
1574 struct hostapd_channel_data *chan,
1575 struct freq_survey *survey)
1576 {
1577 if (!iface->chans_surveyed) {
1578 chan->min_nf = survey->nf;
1579 iface->lowest_nf = survey->nf;
1580 } else {
1581 if (dl_list_empty(&chan->survey_list))
1582 chan->min_nf = survey->nf;
1583 else if (survey->nf < chan->min_nf)
1584 chan->min_nf = survey->nf;
1585 if (survey->nf < iface->lowest_nf)
1586 iface->lowest_nf = survey->nf;
1587 }
1588 }
1589
1590
hostapd_single_channel_get_survey(struct hostapd_iface * iface,struct survey_results * survey_res)1591 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1592 struct survey_results *survey_res)
1593 {
1594 struct hostapd_channel_data *chan;
1595 struct freq_survey *survey;
1596 u64 divisor, dividend;
1597
1598 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1599 list);
1600 if (!survey || !survey->freq)
1601 return;
1602
1603 chan = hostapd_get_mode_channel(iface, survey->freq);
1604 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1605 return;
1606
1607 wpa_printf(MSG_DEBUG,
1608 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1609 survey->freq,
1610 (unsigned long int) survey->channel_time,
1611 (unsigned long int) survey->channel_time_busy);
1612
1613 if (survey->channel_time > iface->last_channel_time &&
1614 survey->channel_time > survey->channel_time_busy) {
1615 dividend = survey->channel_time_busy -
1616 iface->last_channel_time_busy;
1617 divisor = survey->channel_time - iface->last_channel_time;
1618
1619 iface->channel_utilization = dividend * 255 / divisor;
1620 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1621 iface->channel_utilization);
1622 }
1623 iface->last_channel_time = survey->channel_time;
1624 iface->last_channel_time_busy = survey->channel_time_busy;
1625 }
1626
1627
hostapd_event_get_survey(struct hostapd_iface * iface,struct survey_results * survey_results)1628 void hostapd_event_get_survey(struct hostapd_iface *iface,
1629 struct survey_results *survey_results)
1630 {
1631 struct freq_survey *survey, *tmp;
1632 struct hostapd_channel_data *chan;
1633
1634 if (dl_list_empty(&survey_results->survey_list)) {
1635 wpa_printf(MSG_DEBUG, "No survey data received");
1636 return;
1637 }
1638
1639 if (survey_results->freq_filter) {
1640 hostapd_single_channel_get_survey(iface, survey_results);
1641 return;
1642 }
1643
1644 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1645 struct freq_survey, list) {
1646 chan = hostapd_get_mode_channel(iface, survey->freq);
1647 if (!chan)
1648 continue;
1649 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1650 continue;
1651
1652 dl_list_del(&survey->list);
1653 dl_list_add_tail(&chan->survey_list, &survey->list);
1654
1655 hostapd_update_nf(iface, chan, survey);
1656
1657 iface->chans_surveyed++;
1658 }
1659 }
1660
1661
1662 #ifdef HOSTAPD
1663 #ifdef NEED_AP_MLME
1664
hostapd_event_iface_unavailable(struct hostapd_data * hapd)1665 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1666 {
1667 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1668 hapd->conf->iface);
1669
1670 if (hapd->csa_in_progress) {
1671 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1672 hapd->conf->iface);
1673 hostapd_switch_channel_fallback(hapd->iface,
1674 &hapd->cs_freq_params);
1675 }
1676 }
1677
1678
hostapd_event_dfs_radar_detected(struct hostapd_data * hapd,struct dfs_event * radar)1679 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1680 struct dfs_event *radar)
1681 {
1682 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1683 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1684 radar->chan_offset, radar->chan_width,
1685 radar->cf1, radar->cf2);
1686 }
1687
1688
hostapd_event_dfs_pre_cac_expired(struct hostapd_data * hapd,struct dfs_event * radar)1689 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1690 struct dfs_event *radar)
1691 {
1692 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1693 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1694 radar->chan_offset, radar->chan_width,
1695 radar->cf1, radar->cf2);
1696 }
1697
1698
hostapd_event_dfs_cac_finished(struct hostapd_data * hapd,struct dfs_event * radar)1699 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1700 struct dfs_event *radar)
1701 {
1702 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1703 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1704 radar->chan_offset, radar->chan_width,
1705 radar->cf1, radar->cf2);
1706 }
1707
1708
hostapd_event_dfs_cac_aborted(struct hostapd_data * hapd,struct dfs_event * radar)1709 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1710 struct dfs_event *radar)
1711 {
1712 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1713 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1714 radar->chan_offset, radar->chan_width,
1715 radar->cf1, radar->cf2);
1716 }
1717
1718
hostapd_event_dfs_nop_finished(struct hostapd_data * hapd,struct dfs_event * radar)1719 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1720 struct dfs_event *radar)
1721 {
1722 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1723 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1724 radar->chan_offset, radar->chan_width,
1725 radar->cf1, radar->cf2);
1726 }
1727
1728
hostapd_event_dfs_cac_started(struct hostapd_data * hapd,struct dfs_event * radar)1729 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1730 struct dfs_event *radar)
1731 {
1732 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1733 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1734 radar->chan_offset, radar->chan_width,
1735 radar->cf1, radar->cf2);
1736 }
1737
1738 #endif /* NEED_AP_MLME */
1739
1740
hostapd_event_wds_sta_interface_status(struct hostapd_data * hapd,int istatus,const char * ifname,const u8 * addr)1741 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1742 int istatus,
1743 const char *ifname,
1744 const u8 *addr)
1745 {
1746 struct sta_info *sta = ap_get_sta(hapd, addr);
1747
1748 if (sta) {
1749 os_free(sta->ifname_wds);
1750 if (istatus == INTERFACE_ADDED)
1751 sta->ifname_wds = os_strdup(ifname);
1752 else
1753 sta->ifname_wds = NULL;
1754 }
1755
1756 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1757 istatus == INTERFACE_ADDED ?
1758 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1759 ifname, MAC2STR(addr));
1760 }
1761
1762
1763 #ifdef CONFIG_OWE
hostapd_notif_update_dh_ie(struct hostapd_data * hapd,const u8 * peer,const u8 * ie,size_t ie_len)1764 static int hostapd_notif_update_dh_ie(struct hostapd_data *hapd,
1765 const u8 *peer, const u8 *ie,
1766 size_t ie_len)
1767 {
1768 u16 status;
1769 struct sta_info *sta;
1770 struct ieee802_11_elems elems;
1771
1772 if (!hapd || !hapd->wpa_auth) {
1773 wpa_printf(MSG_DEBUG, "OWE: Invalid hapd context");
1774 return -1;
1775 }
1776 if (!peer) {
1777 wpa_printf(MSG_DEBUG, "OWE: Peer unknown");
1778 return -1;
1779 }
1780 if (!(hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE)) {
1781 wpa_printf(MSG_DEBUG, "OWE: No OWE AKM configured");
1782 status = WLAN_STATUS_AKMP_NOT_VALID;
1783 goto err;
1784 }
1785 if (ieee802_11_parse_elems(ie, ie_len, &elems, 1) == ParseFailed) {
1786 wpa_printf(MSG_DEBUG, "OWE: Failed to parse OWE IE for "
1787 MACSTR, MAC2STR(peer));
1788 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1789 goto err;
1790 }
1791 status = owe_validate_request(hapd, peer, elems.rsn_ie,
1792 elems.rsn_ie_len,
1793 elems.owe_dh, elems.owe_dh_len);
1794 if (status != WLAN_STATUS_SUCCESS)
1795 goto err;
1796
1797 sta = ap_get_sta(hapd, peer);
1798 if (sta) {
1799 ap_sta_no_session_timeout(hapd, sta);
1800 accounting_sta_stop(hapd, sta);
1801
1802 /*
1803 * Make sure that the previously registered inactivity timer
1804 * will not remove the STA immediately.
1805 */
1806 sta->timeout_next = STA_NULLFUNC;
1807 } else {
1808 sta = ap_sta_add(hapd, peer);
1809 if (!sta) {
1810 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1811 goto err;
1812 }
1813 }
1814 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
1815
1816 status = owe_process_rsn_ie(hapd, sta, elems.rsn_ie,
1817 elems.rsn_ie_len, elems.owe_dh,
1818 elems.owe_dh_len);
1819 if (status != WLAN_STATUS_SUCCESS)
1820 ap_free_sta(hapd, sta);
1821
1822 return 0;
1823 err:
1824 hostapd_drv_update_dh_ie(hapd, peer, status, NULL, 0);
1825 return 0;
1826 }
1827 #endif /* CONFIG_OWE */
1828
1829
wpa_supplicant_event(void * ctx,enum wpa_event_type event,union wpa_event_data * data)1830 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1831 union wpa_event_data *data)
1832 {
1833 struct hostapd_data *hapd = ctx;
1834 #ifndef CONFIG_NO_STDOUT_DEBUG
1835 int level = MSG_DEBUG;
1836
1837 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1838 data->rx_mgmt.frame_len >= 24) {
1839 const struct ieee80211_hdr *hdr;
1840 u16 fc;
1841
1842 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1843 fc = le_to_host16(hdr->frame_control);
1844 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1845 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1846 level = MSG_EXCESSIVE;
1847 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1848 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1849 level = MSG_EXCESSIVE;
1850 }
1851
1852 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1853 event_to_string(event), event);
1854 #endif /* CONFIG_NO_STDOUT_DEBUG */
1855
1856 switch (event) {
1857 case EVENT_MICHAEL_MIC_FAILURE:
1858 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1859 break;
1860 case EVENT_SCAN_RESULTS:
1861 if (hapd->iface->scan_cb)
1862 hapd->iface->scan_cb(hapd->iface);
1863 break;
1864 case EVENT_WPS_BUTTON_PUSHED:
1865 hostapd_wps_button_pushed(hapd, NULL);
1866 break;
1867 #ifdef NEED_AP_MLME
1868 case EVENT_TX_STATUS:
1869 switch (data->tx_status.type) {
1870 case WLAN_FC_TYPE_MGMT:
1871 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1872 data->tx_status.data_len,
1873 data->tx_status.stype,
1874 data->tx_status.ack);
1875 break;
1876 case WLAN_FC_TYPE_DATA:
1877 hostapd_tx_status(hapd, data->tx_status.dst,
1878 data->tx_status.data,
1879 data->tx_status.data_len,
1880 data->tx_status.ack);
1881 break;
1882 }
1883 break;
1884 case EVENT_EAPOL_TX_STATUS:
1885 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1886 data->eapol_tx_status.data,
1887 data->eapol_tx_status.data_len,
1888 data->eapol_tx_status.ack);
1889 break;
1890 case EVENT_DRIVER_CLIENT_POLL_OK:
1891 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1892 break;
1893 case EVENT_RX_FROM_UNKNOWN:
1894 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1895 data->rx_from_unknown.addr,
1896 data->rx_from_unknown.wds);
1897 break;
1898 #endif /* NEED_AP_MLME */
1899 case EVENT_RX_MGMT:
1900 if (!data->rx_mgmt.frame)
1901 break;
1902 #ifdef NEED_AP_MLME
1903 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
1904 #else /* NEED_AP_MLME */
1905 hostapd_action_rx(hapd, &data->rx_mgmt);
1906 #endif /* NEED_AP_MLME */
1907 break;
1908 case EVENT_RX_PROBE_REQ:
1909 if (data->rx_probe_req.sa == NULL ||
1910 data->rx_probe_req.ie == NULL)
1911 break;
1912 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1913 data->rx_probe_req.da,
1914 data->rx_probe_req.bssid,
1915 data->rx_probe_req.ie,
1916 data->rx_probe_req.ie_len,
1917 data->rx_probe_req.ssi_signal);
1918 break;
1919 case EVENT_NEW_STA:
1920 hostapd_event_new_sta(hapd, data->new_sta.addr);
1921 break;
1922 case EVENT_EAPOL_RX:
1923 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1924 data->eapol_rx.data,
1925 data->eapol_rx.data_len);
1926 break;
1927 case EVENT_ASSOC:
1928 if (!data)
1929 return;
1930 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1931 data->assoc_info.req_ies,
1932 data->assoc_info.req_ies_len,
1933 data->assoc_info.reassoc);
1934 break;
1935 #ifdef CONFIG_OWE
1936 case EVENT_UPDATE_DH:
1937 if (!data)
1938 return;
1939 hostapd_notif_update_dh_ie(hapd, data->update_dh.peer,
1940 data->update_dh.ie,
1941 data->update_dh.ie_len);
1942 break;
1943 #endif /* CONFIG_OWE */
1944 case EVENT_DISASSOC:
1945 if (data)
1946 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1947 break;
1948 case EVENT_DEAUTH:
1949 if (data)
1950 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1951 break;
1952 case EVENT_STATION_LOW_ACK:
1953 if (!data)
1954 break;
1955 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1956 break;
1957 case EVENT_AUTH:
1958 hostapd_notif_auth(hapd, &data->auth);
1959 break;
1960 case EVENT_CH_SWITCH_STARTED:
1961 case EVENT_CH_SWITCH:
1962 if (!data)
1963 break;
1964 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1965 data->ch_switch.ht_enabled,
1966 data->ch_switch.ch_offset,
1967 data->ch_switch.ch_width,
1968 data->ch_switch.cf1,
1969 data->ch_switch.cf2,
1970 event == EVENT_CH_SWITCH);
1971 break;
1972 case EVENT_CONNECT_FAILED_REASON:
1973 if (!data)
1974 break;
1975 hostapd_event_connect_failed_reason(
1976 hapd, data->connect_failed_reason.addr,
1977 data->connect_failed_reason.code);
1978 break;
1979 case EVENT_SURVEY:
1980 hostapd_event_get_survey(hapd->iface, &data->survey_results);
1981 break;
1982 #ifdef NEED_AP_MLME
1983 case EVENT_INTERFACE_UNAVAILABLE:
1984 hostapd_event_iface_unavailable(hapd);
1985 break;
1986 case EVENT_DFS_RADAR_DETECTED:
1987 if (!data)
1988 break;
1989 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1990 break;
1991 case EVENT_DFS_PRE_CAC_EXPIRED:
1992 if (!data)
1993 break;
1994 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
1995 break;
1996 case EVENT_DFS_CAC_FINISHED:
1997 if (!data)
1998 break;
1999 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
2000 break;
2001 case EVENT_DFS_CAC_ABORTED:
2002 if (!data)
2003 break;
2004 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
2005 break;
2006 case EVENT_DFS_NOP_FINISHED:
2007 if (!data)
2008 break;
2009 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
2010 break;
2011 case EVENT_CHANNEL_LIST_CHANGED:
2012 /* channel list changed (regulatory?), update channel list */
2013 /* TODO: check this. hostapd_get_hw_features() initializes
2014 * too much stuff. */
2015 /* hostapd_get_hw_features(hapd->iface); */
2016 hostapd_channel_list_updated(
2017 hapd->iface, data->channel_list_changed.initiator);
2018 break;
2019 case EVENT_DFS_CAC_STARTED:
2020 if (!data)
2021 break;
2022 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
2023 break;
2024 #endif /* NEED_AP_MLME */
2025 case EVENT_INTERFACE_ENABLED:
2026 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
2027 if (hapd->disabled && hapd->started) {
2028 hapd->disabled = 0;
2029 /*
2030 * Try to re-enable interface if the driver stopped it
2031 * when the interface got disabled.
2032 */
2033 if (hapd->wpa_auth)
2034 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
2035 else
2036 hostapd_reconfig_encryption(hapd);
2037 hapd->reenable_beacon = 1;
2038 ieee802_11_set_beacon(hapd);
2039 #ifdef NEED_AP_MLME
2040 } else if (hapd->disabled && hapd->iface->cac_started) {
2041 wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
2042 hostapd_handle_dfs(hapd->iface);
2043 #endif /* NEED_AP_MLME */
2044 }
2045 break;
2046 case EVENT_INTERFACE_DISABLED:
2047 hostapd_free_stas(hapd);
2048 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
2049 hapd->disabled = 1;
2050 break;
2051 #ifdef CONFIG_ACS
2052 case EVENT_ACS_CHANNEL_SELECTED:
2053 hostapd_acs_channel_selected(hapd,
2054 &data->acs_selected_channels);
2055 break;
2056 #endif /* CONFIG_ACS */
2057 case EVENT_STATION_OPMODE_CHANGED:
2058 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
2059 data->sta_opmode.smps_mode,
2060 data->sta_opmode.chan_width,
2061 data->sta_opmode.rx_nss);
2062 break;
2063 case EVENT_WDS_STA_INTERFACE_STATUS:
2064 hostapd_event_wds_sta_interface_status(
2065 hapd, data->wds_sta_interface.istatus,
2066 data->wds_sta_interface.ifname,
2067 data->wds_sta_interface.sta_addr);
2068 break;
2069 default:
2070 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
2071 break;
2072 }
2073 }
2074
2075
wpa_supplicant_event_global(void * ctx,enum wpa_event_type event,union wpa_event_data * data)2076 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
2077 union wpa_event_data *data)
2078 {
2079 struct hapd_interfaces *interfaces = ctx;
2080 struct hostapd_data *hapd;
2081
2082 if (event != EVENT_INTERFACE_STATUS)
2083 return;
2084
2085 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
2086 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
2087 hapd->drv_priv) {
2088 unsigned int ifindex;
2089
2090 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
2091 if (ifindex != data->interface_status.ifindex) {
2092 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
2093 "interface status ifindex %d mismatch (%d)",
2094 ifindex, data->interface_status.ifindex);
2095 return;
2096 }
2097 }
2098 if (hapd)
2099 wpa_supplicant_event(hapd, event, data);
2100 }
2101
2102 #endif /* HOSTAPD */
2103