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 ieee802_11_rsnx_capab_len(elems.rsnxe, elems.rsnxe_len,
463 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 if (hapd->iconf->ieee80211ac) {
965 hapd->iconf->vht_capab &= ~VHT_CAP_SUPP_CHAN_WIDTH_MASK;
966 if (chwidth == CHANWIDTH_160MHZ)
967 hapd->iconf->vht_capab |=
968 VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
969 else if (chwidth == CHANWIDTH_80P80MHZ)
970 hapd->iconf->vht_capab |=
971 VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
972 }
973
974 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
975 hapd->iface->num_hw_features);
976
977 wpa_msg(hapd->msg_ctx, MSG_INFO,
978 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d dfs=%d",
979 finished ? WPA_EVENT_CHANNEL_SWITCH :
980 WPA_EVENT_CHANNEL_SWITCH_STARTED,
981 freq, ht, offset, channel_width_to_string(width),
982 cf1, cf2, is_dfs);
983 if (!finished)
984 return;
985
986 if (hapd->csa_in_progress &&
987 freq == hapd->cs_freq_params.freq) {
988 hostapd_cleanup_cs_params(hapd);
989 ieee802_11_set_beacon(hapd);
990
991 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
992 "freq=%d dfs=%d", freq, is_dfs);
993 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
994 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
995 "freq=%d dfs=%d", freq, is_dfs);
996 } else if (is_dfs &&
997 hostapd_is_dfs_required(hapd->iface) &&
998 !hostapd_is_dfs_chan_available(hapd->iface) &&
999 !hapd->iface->cac_started) {
1000 hostapd_disable_iface(hapd->iface);
1001 hostapd_enable_iface(hapd->iface);
1002 }
1003
1004 for (i = 0; i < hapd->iface->num_bss; i++)
1005 hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
1006
1007 #ifdef CONFIG_OCV
1008 if (hapd->conf->ocv) {
1009 struct sta_info *sta;
1010 bool check_sa_query = false;
1011
1012 for (sta = hapd->sta_list; sta; sta = sta->next) {
1013 if (wpa_auth_uses_ocv(sta->wpa_sm) &&
1014 !(sta->flags & WLAN_STA_WNM_SLEEP_MODE)) {
1015 sta->post_csa_sa_query = 1;
1016 check_sa_query = true;
1017 }
1018 }
1019
1020 if (check_sa_query) {
1021 wpa_printf(MSG_DEBUG,
1022 "OCV: Check post-CSA SA Query initiation in 15 seconds");
1023 eloop_register_timeout(15, 0,
1024 hostapd_ocv_check_csa_sa_query,
1025 hapd, NULL);
1026 }
1027 }
1028 #endif /* CONFIG_OCV */
1029 #endif /* NEED_AP_MLME */
1030 }
1031
1032
hostapd_event_connect_failed_reason(struct hostapd_data * hapd,const u8 * addr,int reason_code)1033 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
1034 const u8 *addr, int reason_code)
1035 {
1036 switch (reason_code) {
1037 case MAX_CLIENT_REACHED:
1038 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
1039 MAC2STR(addr));
1040 break;
1041 case BLOCKED_CLIENT:
1042 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
1043 MAC2STR(addr));
1044 break;
1045 }
1046 }
1047
1048
1049 #ifdef CONFIG_ACS
hostapd_acs_channel_selected(struct hostapd_data * hapd,struct acs_selected_channels * acs_res)1050 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
1051 struct acs_selected_channels *acs_res)
1052 {
1053 int ret, i;
1054 int err = 0;
1055 struct hostapd_channel_data *pri_chan;
1056
1057 if (hapd->iconf->channel) {
1058 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
1059 hapd->iconf->channel);
1060 return;
1061 }
1062
1063 hapd->iface->freq = acs_res->pri_freq;
1064
1065 if (!hapd->iface->current_mode) {
1066 for (i = 0; i < hapd->iface->num_hw_features; i++) {
1067 struct hostapd_hw_modes *mode =
1068 &hapd->iface->hw_features[i];
1069
1070 if (mode->mode == acs_res->hw_mode) {
1071 if (hapd->iface->freq > 0 &&
1072 !hw_get_chan(mode->mode,
1073 hapd->iface->freq,
1074 hapd->iface->hw_features,
1075 hapd->iface->num_hw_features))
1076 continue;
1077 hapd->iface->current_mode = mode;
1078 break;
1079 }
1080 }
1081 if (!hapd->iface->current_mode) {
1082 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1083 HOSTAPD_LEVEL_WARNING,
1084 "driver selected to bad hw_mode");
1085 err = 1;
1086 goto out;
1087 }
1088 }
1089
1090 if (!acs_res->pri_freq) {
1091 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1092 HOSTAPD_LEVEL_WARNING,
1093 "driver switched to bad channel");
1094 err = 1;
1095 goto out;
1096 }
1097 pri_chan = hw_get_channel_freq(hapd->iface->current_mode->mode,
1098 acs_res->pri_freq, NULL,
1099 hapd->iface->hw_features,
1100 hapd->iface->num_hw_features);
1101 if (!pri_chan) {
1102 wpa_printf(MSG_ERROR,
1103 "ACS: Could not determine primary channel number from pri_freq %u",
1104 acs_res->pri_freq);
1105 err = 1;
1106 goto out;
1107 }
1108
1109 hapd->iconf->channel = pri_chan->chan;
1110 hapd->iconf->acs = 1;
1111
1112 if (acs_res->sec_freq == 0)
1113 hapd->iconf->secondary_channel = 0;
1114 else if (acs_res->sec_freq < acs_res->pri_freq)
1115 hapd->iconf->secondary_channel = -1;
1116 else if (acs_res->sec_freq > acs_res->pri_freq)
1117 hapd->iconf->secondary_channel = 1;
1118 else {
1119 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
1120 err = 1;
1121 goto out;
1122 }
1123
1124 hapd->iconf->edmg_channel = acs_res->edmg_channel;
1125
1126 if (hapd->iface->conf->ieee80211ac || hapd->iface->conf->ieee80211ax) {
1127 /* set defaults for backwards compatibility */
1128 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, 0);
1129 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, 0);
1130 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_USE_HT);
1131 if (acs_res->ch_width == 40) {
1132 if (is_6ghz_freq(acs_res->pri_freq))
1133 hostapd_set_oper_centr_freq_seg0_idx(
1134 hapd->iconf,
1135 acs_res->vht_seg0_center_ch);
1136 } else if (acs_res->ch_width == 80) {
1137 hostapd_set_oper_centr_freq_seg0_idx(
1138 hapd->iconf, acs_res->vht_seg0_center_ch);
1139 if (acs_res->vht_seg1_center_ch == 0) {
1140 hostapd_set_oper_chwidth(hapd->iconf,
1141 CHANWIDTH_80MHZ);
1142 } else {
1143 hostapd_set_oper_chwidth(hapd->iconf,
1144 CHANWIDTH_80P80MHZ);
1145 hostapd_set_oper_centr_freq_seg1_idx(
1146 hapd->iconf,
1147 acs_res->vht_seg1_center_ch);
1148 }
1149 } else if (acs_res->ch_width == 160) {
1150 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_160MHZ);
1151 hostapd_set_oper_centr_freq_seg0_idx(
1152 hapd->iconf, acs_res->vht_seg1_center_ch);
1153 }
1154 }
1155
1156 out:
1157 ret = hostapd_acs_completed(hapd->iface, err);
1158 if (ret) {
1159 wpa_printf(MSG_ERROR,
1160 "ACS: Possibly channel configuration is invalid");
1161 }
1162 }
1163 #endif /* CONFIG_ACS */
1164
1165
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)1166 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
1167 const u8 *bssid, const u8 *ie, size_t ie_len,
1168 int ssi_signal)
1169 {
1170 size_t i;
1171 int ret = 0;
1172
1173 if (sa == NULL || ie == NULL)
1174 return -1;
1175
1176 random_add_randomness(sa, ETH_ALEN);
1177 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
1178 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
1179 sa, da, bssid, ie, ie_len,
1180 ssi_signal) > 0) {
1181 ret = 1;
1182 break;
1183 }
1184 }
1185 return ret;
1186 }
1187
1188
1189 #ifdef HOSTAPD
1190
1191 #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)1192 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
1193 const u8 *bssid,
1194 u16 auth_transaction, u16 status,
1195 const u8 *ies, size_t ies_len)
1196 {
1197 struct hostapd_data *hapd = ctx;
1198 struct sta_info *sta;
1199
1200 sta = ap_get_sta(hapd, dst);
1201 if (sta == NULL)
1202 return;
1203
1204 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
1205 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
1206 sta->flags |= WLAN_STA_AUTH;
1207
1208 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
1209 }
1210 #endif /* CONFIG_IEEE80211R_AP */
1211
1212
1213 #ifdef CONFIG_FILS
hostapd_notify_auth_fils_finish(struct hostapd_data * hapd,struct sta_info * sta,u16 resp,struct wpabuf * data,int pub)1214 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
1215 struct sta_info *sta, u16 resp,
1216 struct wpabuf *data, int pub)
1217 {
1218 if (resp == WLAN_STATUS_SUCCESS) {
1219 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1220 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
1221 sta->flags |= WLAN_STA_AUTH;
1222 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
1223 sta->auth_alg = WLAN_AUTH_FILS_SK;
1224 mlme_authenticate_indication(hapd, sta);
1225 } else {
1226 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1227 HOSTAPD_LEVEL_DEBUG,
1228 "authentication failed (FILS)");
1229 }
1230
1231 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1232 data ? wpabuf_head(data) : NULL,
1233 data ? wpabuf_len(data) : 0);
1234 wpabuf_free(data);
1235 }
1236 #endif /* CONFIG_FILS */
1237
1238
hostapd_notif_auth(struct hostapd_data * hapd,struct auth_info * rx_auth)1239 static void hostapd_notif_auth(struct hostapd_data *hapd,
1240 struct auth_info *rx_auth)
1241 {
1242 struct sta_info *sta;
1243 u16 status = WLAN_STATUS_SUCCESS;
1244 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1245 size_t resp_ies_len = 0;
1246
1247 sta = ap_get_sta(hapd, rx_auth->peer);
1248 if (!sta) {
1249 sta = ap_sta_add(hapd, rx_auth->peer);
1250 if (sta == NULL) {
1251 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1252 goto fail;
1253 }
1254 }
1255 sta->flags &= ~WLAN_STA_PREAUTH;
1256 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1257 #ifdef CONFIG_IEEE80211R_AP
1258 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1259 sta->auth_alg = WLAN_AUTH_FT;
1260 if (sta->wpa_sm == NULL)
1261 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1262 sta->addr, NULL);
1263 if (sta->wpa_sm == NULL) {
1264 wpa_printf(MSG_DEBUG,
1265 "FT: Failed to initialize WPA state machine");
1266 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1267 goto fail;
1268 }
1269 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1270 rx_auth->auth_transaction, rx_auth->ies,
1271 rx_auth->ies_len,
1272 hostapd_notify_auth_ft_finish, hapd);
1273 return;
1274 }
1275 #endif /* CONFIG_IEEE80211R_AP */
1276
1277 #ifdef CONFIG_FILS
1278 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1279 sta->auth_alg = WLAN_AUTH_FILS_SK;
1280 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1281 rx_auth->auth_type, rx_auth->auth_transaction,
1282 rx_auth->status_code,
1283 hostapd_notify_auth_fils_finish);
1284 return;
1285 }
1286 #endif /* CONFIG_FILS */
1287
1288 fail:
1289 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1290 status, resp_ies, resp_ies_len);
1291 }
1292
1293
1294 #ifndef NEED_AP_MLME
hostapd_action_rx(struct hostapd_data * hapd,struct rx_mgmt * drv_mgmt)1295 static void hostapd_action_rx(struct hostapd_data *hapd,
1296 struct rx_mgmt *drv_mgmt)
1297 {
1298 struct ieee80211_mgmt *mgmt;
1299 struct sta_info *sta;
1300 size_t plen __maybe_unused;
1301 u16 fc;
1302 u8 *action __maybe_unused;
1303
1304 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1305 return;
1306
1307 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
1308
1309 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1310 fc = le_to_host16(mgmt->frame_control);
1311 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1312 return; /* handled by the driver */
1313
1314 action = (u8 *) &mgmt->u.action.u;
1315 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1316 " da " MACSTR " plen %d",
1317 mgmt->u.action.category, *action,
1318 MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
1319
1320 sta = ap_get_sta(hapd, mgmt->sa);
1321 if (sta == NULL) {
1322 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1323 return;
1324 }
1325 #ifdef CONFIG_IEEE80211R_AP
1326 if (mgmt->u.action.category == WLAN_ACTION_FT) {
1327 wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
1328 return;
1329 }
1330 #endif /* CONFIG_IEEE80211R_AP */
1331 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
1332 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
1333 return;
1334 }
1335 #ifdef CONFIG_WNM_AP
1336 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1337 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1338 return;
1339 }
1340 #endif /* CONFIG_WNM_AP */
1341 #ifdef CONFIG_FST
1342 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1343 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1344 return;
1345 }
1346 #endif /* CONFIG_FST */
1347 #ifdef CONFIG_DPP
1348 if (plen >= 2 + 4 &&
1349 mgmt->u.action.u.vs_public_action.action ==
1350 WLAN_PA_VENDOR_SPECIFIC &&
1351 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1352 OUI_WFA &&
1353 mgmt->u.action.u.vs_public_action.variable[0] ==
1354 DPP_OUI_TYPE) {
1355 const u8 *pos, *end;
1356
1357 pos = mgmt->u.action.u.vs_public_action.oui;
1358 end = drv_mgmt->frame + drv_mgmt->frame_len;
1359 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1360 drv_mgmt->freq);
1361 return;
1362 }
1363 #endif /* CONFIG_DPP */
1364 }
1365 #endif /* NEED_AP_MLME */
1366
1367
1368 #ifdef NEED_AP_MLME
1369
1370 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1371
get_hapd_bssid(struct hostapd_iface * iface,const u8 * bssid)1372 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1373 const u8 *bssid)
1374 {
1375 size_t i;
1376
1377 if (bssid == NULL)
1378 return NULL;
1379 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1380 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1381 return HAPD_BROADCAST;
1382
1383 for (i = 0; i < iface->num_bss; i++) {
1384 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1385 return iface->bss[i];
1386 }
1387
1388 return NULL;
1389 }
1390
1391
hostapd_rx_from_unknown_sta(struct hostapd_data * hapd,const u8 * bssid,const u8 * addr,int wds)1392 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1393 const u8 *bssid, const u8 *addr,
1394 int wds)
1395 {
1396 hapd = get_hapd_bssid(hapd->iface, bssid);
1397 if (hapd == NULL || hapd == HAPD_BROADCAST)
1398 return;
1399
1400 ieee802_11_rx_from_unknown(hapd, addr, wds);
1401 }
1402
1403
hostapd_mgmt_rx(struct hostapd_data * hapd,struct rx_mgmt * rx_mgmt)1404 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1405 {
1406 struct hostapd_iface *iface = hapd->iface;
1407 const struct ieee80211_hdr *hdr;
1408 const u8 *bssid;
1409 struct hostapd_frame_info fi;
1410 int ret;
1411
1412 #ifdef CONFIG_TESTING_OPTIONS
1413 if (hapd->ext_mgmt_frame_handling) {
1414 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1415 char *hex = os_malloc(hex_len);
1416
1417 if (hex) {
1418 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1419 rx_mgmt->frame_len);
1420 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1421 os_free(hex);
1422 }
1423 return 1;
1424 }
1425 #endif /* CONFIG_TESTING_OPTIONS */
1426
1427 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1428 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1429 if (bssid == NULL)
1430 return 0;
1431
1432 hapd = get_hapd_bssid(iface, bssid);
1433 if (hapd == NULL) {
1434 u16 fc = le_to_host16(hdr->frame_control);
1435
1436 /*
1437 * Drop frames to unknown BSSIDs except for Beacon frames which
1438 * could be used to update neighbor information.
1439 */
1440 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1441 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1442 hapd = iface->bss[0];
1443 else
1444 return 0;
1445 }
1446
1447 os_memset(&fi, 0, sizeof(fi));
1448 fi.freq = rx_mgmt->freq;
1449 fi.datarate = rx_mgmt->datarate;
1450 fi.ssi_signal = rx_mgmt->ssi_signal;
1451
1452 if (hapd == HAPD_BROADCAST) {
1453 size_t i;
1454
1455 ret = 0;
1456 for (i = 0; i < iface->num_bss; i++) {
1457 /* if bss is set, driver will call this function for
1458 * each bss individually. */
1459 if (rx_mgmt->drv_priv &&
1460 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1461 continue;
1462
1463 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1464 rx_mgmt->frame_len, &fi) > 0)
1465 ret = 1;
1466 }
1467 } else
1468 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1469 &fi);
1470
1471 random_add_randomness(&fi, sizeof(fi));
1472
1473 return ret;
1474 }
1475
1476
hostapd_mgmt_tx_cb(struct hostapd_data * hapd,const u8 * buf,size_t len,u16 stype,int ok)1477 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1478 size_t len, u16 stype, int ok)
1479 {
1480 struct ieee80211_hdr *hdr;
1481 struct hostapd_data *orig_hapd = hapd;
1482
1483 hdr = (struct ieee80211_hdr *) buf;
1484 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1485 if (!hapd)
1486 return;
1487 if (hapd == HAPD_BROADCAST) {
1488 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1489 buf[24] != WLAN_ACTION_PUBLIC)
1490 return;
1491 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1492 if (!hapd || hapd == HAPD_BROADCAST)
1493 return;
1494 /*
1495 * Allow processing of TX status for a Public Action frame that
1496 * used wildcard BBSID.
1497 */
1498 }
1499 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1500 }
1501
1502 #endif /* NEED_AP_MLME */
1503
1504
hostapd_event_new_sta(struct hostapd_data * hapd,const u8 * addr)1505 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1506 {
1507 struct sta_info *sta = ap_get_sta(hapd, addr);
1508
1509 if (sta)
1510 return 0;
1511
1512 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1513 " - adding a new STA", MAC2STR(addr));
1514 sta = ap_sta_add(hapd, addr);
1515 if (sta) {
1516 hostapd_new_assoc_sta(hapd, sta, 0);
1517 } else {
1518 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1519 MAC2STR(addr));
1520 return -1;
1521 }
1522
1523 return 0;
1524 }
1525
1526
hostapd_event_eapol_rx(struct hostapd_data * hapd,const u8 * src,const u8 * data,size_t data_len)1527 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1528 const u8 *data, size_t data_len)
1529 {
1530 struct hostapd_iface *iface = hapd->iface;
1531 struct sta_info *sta;
1532 size_t j;
1533
1534 for (j = 0; j < iface->num_bss; j++) {
1535 sta = ap_get_sta(iface->bss[j], src);
1536 if (sta && sta->flags & WLAN_STA_ASSOC) {
1537 hapd = iface->bss[j];
1538 break;
1539 }
1540 }
1541
1542 ieee802_1x_receive(hapd, src, data, data_len);
1543 }
1544
1545 #endif /* HOSTAPD */
1546
1547
1548 static struct hostapd_channel_data *
hostapd_get_mode_chan(struct hostapd_hw_modes * mode,unsigned int freq)1549 hostapd_get_mode_chan(struct hostapd_hw_modes *mode, unsigned int freq)
1550 {
1551 int i;
1552 struct hostapd_channel_data *chan;
1553
1554 for (i = 0; i < mode->num_channels; i++) {
1555 chan = &mode->channels[i];
1556 if ((unsigned int) chan->freq == freq)
1557 return chan;
1558 }
1559
1560 return NULL;
1561 }
1562
1563
hostapd_get_mode_channel(struct hostapd_iface * iface,unsigned int freq)1564 static struct hostapd_channel_data * hostapd_get_mode_channel(
1565 struct hostapd_iface *iface, unsigned int freq)
1566 {
1567 int i;
1568 struct hostapd_channel_data *chan;
1569
1570 for (i = 0; i < iface->num_hw_features; i++) {
1571 if (hostapd_hw_skip_mode(iface, &iface->hw_features[i]))
1572 continue;
1573 chan = hostapd_get_mode_chan(&iface->hw_features[i], freq);
1574 if (chan)
1575 return chan;
1576 }
1577
1578 return NULL;
1579 }
1580
1581
hostapd_update_nf(struct hostapd_iface * iface,struct hostapd_channel_data * chan,struct freq_survey * survey)1582 static void hostapd_update_nf(struct hostapd_iface *iface,
1583 struct hostapd_channel_data *chan,
1584 struct freq_survey *survey)
1585 {
1586 if (!iface->chans_surveyed) {
1587 chan->min_nf = survey->nf;
1588 iface->lowest_nf = survey->nf;
1589 } else {
1590 if (dl_list_empty(&chan->survey_list))
1591 chan->min_nf = survey->nf;
1592 else if (survey->nf < chan->min_nf)
1593 chan->min_nf = survey->nf;
1594 if (survey->nf < iface->lowest_nf)
1595 iface->lowest_nf = survey->nf;
1596 }
1597 }
1598
1599
hostapd_single_channel_get_survey(struct hostapd_iface * iface,struct survey_results * survey_res)1600 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1601 struct survey_results *survey_res)
1602 {
1603 struct hostapd_channel_data *chan;
1604 struct freq_survey *survey;
1605 u64 divisor, dividend;
1606
1607 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1608 list);
1609 if (!survey || !survey->freq)
1610 return;
1611
1612 chan = hostapd_get_mode_channel(iface, survey->freq);
1613 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1614 return;
1615
1616 wpa_printf(MSG_DEBUG,
1617 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1618 survey->freq,
1619 (unsigned long int) survey->channel_time,
1620 (unsigned long int) survey->channel_time_busy);
1621
1622 if (survey->channel_time > iface->last_channel_time &&
1623 survey->channel_time > survey->channel_time_busy) {
1624 dividend = survey->channel_time_busy -
1625 iface->last_channel_time_busy;
1626 divisor = survey->channel_time - iface->last_channel_time;
1627
1628 iface->channel_utilization = dividend * 255 / divisor;
1629 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1630 iface->channel_utilization);
1631 }
1632 iface->last_channel_time = survey->channel_time;
1633 iface->last_channel_time_busy = survey->channel_time_busy;
1634 }
1635
1636
hostapd_event_get_survey(struct hostapd_iface * iface,struct survey_results * survey_results)1637 void hostapd_event_get_survey(struct hostapd_iface *iface,
1638 struct survey_results *survey_results)
1639 {
1640 struct freq_survey *survey, *tmp;
1641 struct hostapd_channel_data *chan;
1642
1643 if (dl_list_empty(&survey_results->survey_list)) {
1644 wpa_printf(MSG_DEBUG, "No survey data received");
1645 return;
1646 }
1647
1648 if (survey_results->freq_filter) {
1649 hostapd_single_channel_get_survey(iface, survey_results);
1650 return;
1651 }
1652
1653 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1654 struct freq_survey, list) {
1655 chan = hostapd_get_mode_channel(iface, survey->freq);
1656 if (!chan)
1657 continue;
1658 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1659 continue;
1660
1661 dl_list_del(&survey->list);
1662 dl_list_add_tail(&chan->survey_list, &survey->list);
1663
1664 hostapd_update_nf(iface, chan, survey);
1665
1666 iface->chans_surveyed++;
1667 }
1668 }
1669
1670
1671 #ifdef HOSTAPD
1672 #ifdef NEED_AP_MLME
1673
hostapd_event_iface_unavailable(struct hostapd_data * hapd)1674 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1675 {
1676 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1677 hapd->conf->iface);
1678
1679 if (hapd->csa_in_progress) {
1680 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1681 hapd->conf->iface);
1682 hostapd_switch_channel_fallback(hapd->iface,
1683 &hapd->cs_freq_params);
1684 }
1685 }
1686
1687
hostapd_event_dfs_radar_detected(struct hostapd_data * hapd,struct dfs_event * radar)1688 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1689 struct dfs_event *radar)
1690 {
1691 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1692 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1693 radar->chan_offset, radar->chan_width,
1694 radar->cf1, radar->cf2);
1695 }
1696
1697
hostapd_event_dfs_pre_cac_expired(struct hostapd_data * hapd,struct dfs_event * radar)1698 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1699 struct dfs_event *radar)
1700 {
1701 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1702 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1703 radar->chan_offset, radar->chan_width,
1704 radar->cf1, radar->cf2);
1705 }
1706
1707
hostapd_event_dfs_cac_finished(struct hostapd_data * hapd,struct dfs_event * radar)1708 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1709 struct dfs_event *radar)
1710 {
1711 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1712 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1713 radar->chan_offset, radar->chan_width,
1714 radar->cf1, radar->cf2);
1715 }
1716
1717
hostapd_event_dfs_cac_aborted(struct hostapd_data * hapd,struct dfs_event * radar)1718 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1719 struct dfs_event *radar)
1720 {
1721 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1722 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1723 radar->chan_offset, radar->chan_width,
1724 radar->cf1, radar->cf2);
1725 }
1726
1727
hostapd_event_dfs_nop_finished(struct hostapd_data * hapd,struct dfs_event * radar)1728 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1729 struct dfs_event *radar)
1730 {
1731 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1732 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1733 radar->chan_offset, radar->chan_width,
1734 radar->cf1, radar->cf2);
1735 }
1736
1737
hostapd_event_dfs_cac_started(struct hostapd_data * hapd,struct dfs_event * radar)1738 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1739 struct dfs_event *radar)
1740 {
1741 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1742 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1743 radar->chan_offset, radar->chan_width,
1744 radar->cf1, radar->cf2);
1745 }
1746
1747 #endif /* NEED_AP_MLME */
1748
1749
hostapd_event_wds_sta_interface_status(struct hostapd_data * hapd,int istatus,const char * ifname,const u8 * addr)1750 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1751 int istatus,
1752 const char *ifname,
1753 const u8 *addr)
1754 {
1755 struct sta_info *sta = ap_get_sta(hapd, addr);
1756
1757 if (sta) {
1758 os_free(sta->ifname_wds);
1759 if (istatus == INTERFACE_ADDED)
1760 sta->ifname_wds = os_strdup(ifname);
1761 else
1762 sta->ifname_wds = NULL;
1763 }
1764
1765 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1766 istatus == INTERFACE_ADDED ?
1767 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1768 ifname, MAC2STR(addr));
1769 }
1770
1771
1772 #ifdef CONFIG_OWE
hostapd_notif_update_dh_ie(struct hostapd_data * hapd,const u8 * peer,const u8 * ie,size_t ie_len)1773 static int hostapd_notif_update_dh_ie(struct hostapd_data *hapd,
1774 const u8 *peer, const u8 *ie,
1775 size_t ie_len)
1776 {
1777 u16 status;
1778 struct sta_info *sta;
1779 struct ieee802_11_elems elems;
1780
1781 if (!hapd || !hapd->wpa_auth) {
1782 wpa_printf(MSG_DEBUG, "OWE: Invalid hapd context");
1783 return -1;
1784 }
1785 if (!peer) {
1786 wpa_printf(MSG_DEBUG, "OWE: Peer unknown");
1787 return -1;
1788 }
1789 if (!(hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE)) {
1790 wpa_printf(MSG_DEBUG, "OWE: No OWE AKM configured");
1791 status = WLAN_STATUS_AKMP_NOT_VALID;
1792 goto err;
1793 }
1794 if (ieee802_11_parse_elems(ie, ie_len, &elems, 1) == ParseFailed) {
1795 wpa_printf(MSG_DEBUG, "OWE: Failed to parse OWE IE for "
1796 MACSTR, MAC2STR(peer));
1797 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1798 goto err;
1799 }
1800 status = owe_validate_request(hapd, peer, elems.rsn_ie,
1801 elems.rsn_ie_len,
1802 elems.owe_dh, elems.owe_dh_len);
1803 if (status != WLAN_STATUS_SUCCESS)
1804 goto err;
1805
1806 sta = ap_get_sta(hapd, peer);
1807 if (sta) {
1808 ap_sta_no_session_timeout(hapd, sta);
1809 accounting_sta_stop(hapd, sta);
1810
1811 /*
1812 * Make sure that the previously registered inactivity timer
1813 * will not remove the STA immediately.
1814 */
1815 sta->timeout_next = STA_NULLFUNC;
1816 } else {
1817 sta = ap_sta_add(hapd, peer);
1818 if (!sta) {
1819 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1820 goto err;
1821 }
1822 }
1823 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
1824
1825 status = owe_process_rsn_ie(hapd, sta, elems.rsn_ie,
1826 elems.rsn_ie_len, elems.owe_dh,
1827 elems.owe_dh_len);
1828 if (status != WLAN_STATUS_SUCCESS)
1829 ap_free_sta(hapd, sta);
1830
1831 return 0;
1832 err:
1833 hostapd_drv_update_dh_ie(hapd, peer, status, NULL, 0);
1834 return 0;
1835 }
1836 #endif /* CONFIG_OWE */
1837
1838
wpa_supplicant_event(void * ctx,enum wpa_event_type event,union wpa_event_data * data)1839 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1840 union wpa_event_data *data)
1841 {
1842 struct hostapd_data *hapd = ctx;
1843 #ifndef CONFIG_NO_STDOUT_DEBUG
1844 int level = MSG_DEBUG;
1845
1846 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1847 data->rx_mgmt.frame_len >= 24) {
1848 const struct ieee80211_hdr *hdr;
1849 u16 fc;
1850
1851 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1852 fc = le_to_host16(hdr->frame_control);
1853 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1854 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1855 level = MSG_EXCESSIVE;
1856 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1857 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1858 level = MSG_EXCESSIVE;
1859 }
1860
1861 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1862 event_to_string(event), event);
1863 #endif /* CONFIG_NO_STDOUT_DEBUG */
1864
1865 switch (event) {
1866 case EVENT_MICHAEL_MIC_FAILURE:
1867 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1868 break;
1869 case EVENT_SCAN_RESULTS:
1870 if (hapd->iface->scan_cb)
1871 hapd->iface->scan_cb(hapd->iface);
1872 break;
1873 case EVENT_WPS_BUTTON_PUSHED:
1874 hostapd_wps_button_pushed(hapd, NULL);
1875 break;
1876 #ifdef NEED_AP_MLME
1877 case EVENT_TX_STATUS:
1878 switch (data->tx_status.type) {
1879 case WLAN_FC_TYPE_MGMT:
1880 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1881 data->tx_status.data_len,
1882 data->tx_status.stype,
1883 data->tx_status.ack);
1884 break;
1885 case WLAN_FC_TYPE_DATA:
1886 hostapd_tx_status(hapd, data->tx_status.dst,
1887 data->tx_status.data,
1888 data->tx_status.data_len,
1889 data->tx_status.ack);
1890 break;
1891 }
1892 break;
1893 case EVENT_EAPOL_TX_STATUS:
1894 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1895 data->eapol_tx_status.data,
1896 data->eapol_tx_status.data_len,
1897 data->eapol_tx_status.ack);
1898 break;
1899 case EVENT_DRIVER_CLIENT_POLL_OK:
1900 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1901 break;
1902 case EVENT_RX_FROM_UNKNOWN:
1903 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1904 data->rx_from_unknown.addr,
1905 data->rx_from_unknown.wds);
1906 break;
1907 #endif /* NEED_AP_MLME */
1908 case EVENT_RX_MGMT:
1909 if (!data->rx_mgmt.frame)
1910 break;
1911 #ifdef NEED_AP_MLME
1912 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
1913 #else /* NEED_AP_MLME */
1914 hostapd_action_rx(hapd, &data->rx_mgmt);
1915 #endif /* NEED_AP_MLME */
1916 break;
1917 case EVENT_RX_PROBE_REQ:
1918 if (data->rx_probe_req.sa == NULL ||
1919 data->rx_probe_req.ie == NULL)
1920 break;
1921 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1922 data->rx_probe_req.da,
1923 data->rx_probe_req.bssid,
1924 data->rx_probe_req.ie,
1925 data->rx_probe_req.ie_len,
1926 data->rx_probe_req.ssi_signal);
1927 break;
1928 case EVENT_NEW_STA:
1929 hostapd_event_new_sta(hapd, data->new_sta.addr);
1930 break;
1931 case EVENT_EAPOL_RX:
1932 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1933 data->eapol_rx.data,
1934 data->eapol_rx.data_len);
1935 break;
1936 case EVENT_ASSOC:
1937 if (!data)
1938 return;
1939 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1940 data->assoc_info.req_ies,
1941 data->assoc_info.req_ies_len,
1942 data->assoc_info.reassoc);
1943 break;
1944 #ifdef CONFIG_OWE
1945 case EVENT_UPDATE_DH:
1946 if (!data)
1947 return;
1948 hostapd_notif_update_dh_ie(hapd, data->update_dh.peer,
1949 data->update_dh.ie,
1950 data->update_dh.ie_len);
1951 break;
1952 #endif /* CONFIG_OWE */
1953 case EVENT_DISASSOC:
1954 if (data)
1955 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1956 break;
1957 case EVENT_DEAUTH:
1958 if (data)
1959 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1960 break;
1961 case EVENT_STATION_LOW_ACK:
1962 if (!data)
1963 break;
1964 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1965 break;
1966 case EVENT_AUTH:
1967 hostapd_notif_auth(hapd, &data->auth);
1968 break;
1969 case EVENT_CH_SWITCH_STARTED:
1970 case EVENT_CH_SWITCH:
1971 if (!data)
1972 break;
1973 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1974 data->ch_switch.ht_enabled,
1975 data->ch_switch.ch_offset,
1976 data->ch_switch.ch_width,
1977 data->ch_switch.cf1,
1978 data->ch_switch.cf2,
1979 event == EVENT_CH_SWITCH);
1980 break;
1981 case EVENT_CONNECT_FAILED_REASON:
1982 if (!data)
1983 break;
1984 hostapd_event_connect_failed_reason(
1985 hapd, data->connect_failed_reason.addr,
1986 data->connect_failed_reason.code);
1987 break;
1988 case EVENT_SURVEY:
1989 hostapd_event_get_survey(hapd->iface, &data->survey_results);
1990 break;
1991 #ifdef NEED_AP_MLME
1992 case EVENT_INTERFACE_UNAVAILABLE:
1993 hostapd_event_iface_unavailable(hapd);
1994 break;
1995 case EVENT_DFS_RADAR_DETECTED:
1996 if (!data)
1997 break;
1998 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1999 break;
2000 case EVENT_DFS_PRE_CAC_EXPIRED:
2001 if (!data)
2002 break;
2003 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
2004 break;
2005 case EVENT_DFS_CAC_FINISHED:
2006 if (!data)
2007 break;
2008 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
2009 break;
2010 case EVENT_DFS_CAC_ABORTED:
2011 if (!data)
2012 break;
2013 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
2014 break;
2015 case EVENT_DFS_NOP_FINISHED:
2016 if (!data)
2017 break;
2018 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
2019 break;
2020 case EVENT_CHANNEL_LIST_CHANGED:
2021 /* channel list changed (regulatory?), update channel list */
2022 /* TODO: check this. hostapd_get_hw_features() initializes
2023 * too much stuff. */
2024 /* hostapd_get_hw_features(hapd->iface); */
2025 hostapd_channel_list_updated(
2026 hapd->iface, data->channel_list_changed.initiator);
2027 break;
2028 case EVENT_DFS_CAC_STARTED:
2029 if (!data)
2030 break;
2031 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
2032 break;
2033 #endif /* NEED_AP_MLME */
2034 case EVENT_INTERFACE_ENABLED:
2035 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
2036 if (hapd->disabled && hapd->started) {
2037 hapd->disabled = 0;
2038 /*
2039 * Try to re-enable interface if the driver stopped it
2040 * when the interface got disabled.
2041 */
2042 if (hapd->wpa_auth)
2043 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
2044 else
2045 hostapd_reconfig_encryption(hapd);
2046 hapd->reenable_beacon = 1;
2047 ieee802_11_set_beacon(hapd);
2048 #ifdef NEED_AP_MLME
2049 } else if (hapd->disabled && hapd->iface->cac_started) {
2050 wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
2051 hostapd_handle_dfs(hapd->iface);
2052 #endif /* NEED_AP_MLME */
2053 }
2054 break;
2055 case EVENT_INTERFACE_DISABLED:
2056 hostapd_free_stas(hapd);
2057 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
2058 hapd->disabled = 1;
2059 break;
2060 #ifdef CONFIG_ACS
2061 case EVENT_ACS_CHANNEL_SELECTED:
2062 hostapd_acs_channel_selected(hapd,
2063 &data->acs_selected_channels);
2064 break;
2065 #endif /* CONFIG_ACS */
2066 case EVENT_STATION_OPMODE_CHANGED:
2067 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
2068 data->sta_opmode.smps_mode,
2069 data->sta_opmode.chan_width,
2070 data->sta_opmode.rx_nss);
2071 break;
2072 case EVENT_WDS_STA_INTERFACE_STATUS:
2073 hostapd_event_wds_sta_interface_status(
2074 hapd, data->wds_sta_interface.istatus,
2075 data->wds_sta_interface.ifname,
2076 data->wds_sta_interface.sta_addr);
2077 break;
2078 default:
2079 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
2080 break;
2081 }
2082 }
2083
2084
wpa_supplicant_event_global(void * ctx,enum wpa_event_type event,union wpa_event_data * data)2085 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
2086 union wpa_event_data *data)
2087 {
2088 struct hapd_interfaces *interfaces = ctx;
2089 struct hostapd_data *hapd;
2090
2091 if (event != EVENT_INTERFACE_STATUS)
2092 return;
2093
2094 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
2095 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
2096 hapd->drv_priv) {
2097 unsigned int ifindex;
2098
2099 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
2100 if (ifindex != data->interface_status.ifindex) {
2101 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
2102 "interface status ifindex %d mismatch (%d)",
2103 ifindex, data->interface_status.ifindex);
2104 return;
2105 }
2106 }
2107 if (hapd)
2108 wpa_supplicant_event(hapd, event, data);
2109 }
2110
2111 #endif /* HOSTAPD */
2112