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 #ifdef CONFIG_VENDOR_EXT
46 #include "vendor_ext.h"
47 #endif
48 #ifdef CONFIG_LIBWPA_VENDOR
49 #include "wpa_client.h"
50 #include "wpa_supplicant_i.h"
51 #include "hostapd_client.h"
52 #endif
53
54 #ifdef OPEN_HARMONY_MIRACAST_SINK_OPT
55 #include "hm_miracast_sink.h"
56 #endif
57
58 #ifdef CONFIG_FILS
hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd, struct sta_info *sta)59 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
60 struct sta_info *sta)
61 {
62 u16 reply_res = WLAN_STATUS_SUCCESS;
63 struct ieee802_11_elems elems;
64 u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
65 int new_assoc;
66
67 wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR_SEC,
68 __func__, MAC2STR_SEC(sta->addr));
69 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
70 if (!sta->fils_pending_assoc_req)
71 return;
72
73 ieee802_11_parse_elems(sta->fils_pending_assoc_req,
74 sta->fils_pending_assoc_req_len, &elems, 0);
75 if (!elems.fils_session) {
76 wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
77 __func__);
78 return;
79 }
80
81 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
82 elems.fils_session,
83 sta->fils_hlp_resp);
84
85 reply_res = hostapd_sta_assoc(hapd, sta->addr,
86 sta->fils_pending_assoc_is_reassoc,
87 WLAN_STATUS_SUCCESS,
88 buf, p - buf);
89 ap_sta_set_authorized(hapd, sta, 1);
90 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
91 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
92 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
93 hostapd_set_sta_flags(hapd, sta);
94 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
95 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
96 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
97 os_free(sta->fils_pending_assoc_req);
98 sta->fils_pending_assoc_req = NULL;
99 sta->fils_pending_assoc_req_len = 0;
100 wpabuf_free(sta->fils_hlp_resp);
101 sta->fils_hlp_resp = NULL;
102 wpabuf_free(sta->hlp_dhcp_discover);
103 sta->hlp_dhcp_discover = NULL;
104 fils_hlp_deinit(hapd);
105
106 /*
107 * Remove the station in case transmission of a success response fails
108 * (the STA was added associated to the driver) or if the station was
109 * previously added unassociated.
110 */
111 if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
112 hostapd_drv_sta_remove(hapd, sta->addr);
113 sta->added_unassoc = 0;
114 }
115 }
116 #endif /* CONFIG_FILS */
117
118
check_sa_query_need(struct hostapd_data *hapd, struct sta_info *sta)119 static bool check_sa_query_need(struct hostapd_data *hapd, struct sta_info *sta)
120 {
121 if ((sta->flags &
122 (WLAN_STA_ASSOC | WLAN_STA_MFP | WLAN_STA_AUTHORIZED)) !=
123 (WLAN_STA_ASSOC | WLAN_STA_MFP | WLAN_STA_AUTHORIZED))
124 return false;
125
126 if (!sta->sa_query_timed_out && sta->sa_query_count > 0)
127 ap_check_sa_query_timeout(hapd, sta);
128
129 if (!sta->sa_query_timed_out && (sta->auth_alg != WLAN_AUTH_FT)) {
130 /*
131 * STA has already been associated with MFP and SA Query timeout
132 * has not been reached. Reject the association attempt
133 * temporarily and start SA Query, if one is not pending.
134 */
135 if (sta->sa_query_count == 0)
136 ap_sta_start_sa_query(hapd, sta);
137
138 return true;
139 }
140
141 return false;
142 }
143
144
hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, const u8 *req_ies, size_t req_ies_len, int reassoc)145 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
146 const u8 *req_ies, size_t req_ies_len, int reassoc)
147 {
148 struct sta_info *sta;
149 int new_assoc;
150 enum wpa_validate_result res;
151 struct ieee802_11_elems elems;
152 const u8 *ie;
153 size_t ielen;
154 u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
155 u8 *p = buf;
156 u16 reason = WLAN_REASON_UNSPECIFIED;
157 int status = WLAN_STATUS_SUCCESS;
158 const u8 *p2p_dev_addr = NULL;
159
160 if (addr == NULL) {
161 /*
162 * This could potentially happen with unexpected event from the
163 * driver wrapper. This was seen at least in one case where the
164 * driver ended up being set to station mode while hostapd was
165 * running, so better make sure we stop processing such an
166 * event here.
167 */
168 wpa_printf(MSG_DEBUG,
169 "hostapd_notif_assoc: Skip event with no address");
170 return -1;
171 }
172
173 if (is_multicast_ether_addr(addr) ||
174 is_zero_ether_addr(addr) ||
175 os_memcmp(addr, hapd->own_addr, ETH_ALEN) == 0) {
176 /* Do not process any frames with unexpected/invalid SA so that
177 * we do not add any state for unexpected STA addresses or end
178 * up sending out frames to unexpected destination. */
179 wpa_printf(MSG_DEBUG, "%s: Invalid SA=" MACSTR_SEC
180 " in received indication - ignore this indication silently",
181 __func__, MAC2STR_SEC(addr));
182 return 0;
183 }
184
185 random_add_randomness(addr, ETH_ALEN);
186
187 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
188 HOSTAPD_LEVEL_INFO, "associated");
189
190 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
191 if (elems.wps_ie) {
192 ie = elems.wps_ie - 2;
193 ielen = elems.wps_ie_len + 2;
194 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
195 } else if (elems.rsn_ie) {
196 ie = elems.rsn_ie - 2;
197 ielen = elems.rsn_ie_len + 2;
198 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
199 } else if (elems.wpa_ie) {
200 ie = elems.wpa_ie - 2;
201 ielen = elems.wpa_ie_len + 2;
202 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
203 #ifdef CONFIG_HS20
204 } else if (elems.osen) {
205 ie = elems.osen - 2;
206 ielen = elems.osen_len + 2;
207 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
208 #endif /* CONFIG_HS20 */
209 } else {
210 ie = NULL;
211 ielen = 0;
212 wpa_printf(MSG_DEBUG,
213 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
214 }
215
216 sta = ap_get_sta(hapd, addr);
217 if (sta) {
218 ap_sta_no_session_timeout(hapd, sta);
219 accounting_sta_stop(hapd, sta);
220
221 /*
222 * Make sure that the previously registered inactivity timer
223 * will not remove the STA immediately.
224 */
225 sta->timeout_next = STA_NULLFUNC;
226 } else {
227 sta = ap_sta_add(hapd, addr);
228 if (sta == NULL) {
229 hostapd_drv_sta_disassoc(hapd, addr,
230 WLAN_REASON_DISASSOC_AP_BUSY);
231 return -1;
232 }
233 }
234 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
235
236 /*
237 * ACL configurations to the drivers (implementing AP SME and ACL
238 * offload) without hostapd's knowledge, can result in a disconnection
239 * though the driver accepts the connection. Skip the hostapd check for
240 * ACL if the driver supports ACL offload to avoid potentially
241 * conflicting ACL rules.
242 */
243 if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
244 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
245 wpa_printf(MSG_INFO, "STA " MACSTR_SEC " not allowed to connect",
246 MAC2STR_SEC(addr));
247 reason = WLAN_REASON_UNSPECIFIED;
248 goto fail;
249 }
250
251 #ifdef CONFIG_P2P
252 if (elems.p2p) {
253 wpabuf_free(sta->p2p_ie);
254 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
255 P2P_IE_VENDOR_TYPE);
256 if (sta->p2p_ie)
257 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
258 }
259 #endif /* CONFIG_P2P */
260
261 #ifdef NEED_AP_MLME
262 if (elems.ht_capabilities &&
263 (hapd->iface->conf->ht_capab &
264 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
265 struct ieee80211_ht_capabilities *ht_cap =
266 (struct ieee80211_ht_capabilities *)
267 elems.ht_capabilities;
268
269 if (le_to_host16(ht_cap->ht_capabilities_info) &
270 HT_CAP_INFO_40MHZ_INTOLERANT)
271 ht40_intolerant_add(hapd->iface, sta);
272 }
273 #endif /* NEED_AP_MLME */
274
275 #ifdef CONFIG_INTERWORKING
276 if (elems.ext_capab && elems.ext_capab_len > 4) {
277 if (elems.ext_capab[4] & 0x01)
278 sta->qos_map_enabled = 1;
279 }
280 #endif /* CONFIG_INTERWORKING */
281
282 #ifdef CONFIG_HS20
283 wpabuf_free(sta->hs20_ie);
284 if (elems.hs20 && elems.hs20_len > 4) {
285 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
286 elems.hs20_len - 4);
287 } else
288 sta->hs20_ie = NULL;
289
290 wpabuf_free(sta->roaming_consortium);
291 if (elems.roaming_cons_sel)
292 sta->roaming_consortium = wpabuf_alloc_copy(
293 elems.roaming_cons_sel + 4,
294 elems.roaming_cons_sel_len - 4);
295 else
296 sta->roaming_consortium = NULL;
297 #endif /* CONFIG_HS20 */
298
299 #ifdef CONFIG_FST
300 wpabuf_free(sta->mb_ies);
301 if (hapd->iface->fst)
302 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
303 else
304 sta->mb_ies = NULL;
305 #endif /* CONFIG_FST */
306
307 mbo_ap_check_sta_assoc(hapd, sta, &elems);
308
309 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
310 elems.supp_op_classes_len);
311
312 if (hapd->conf->wpa) {
313 if (ie == NULL || ielen == 0) {
314 #ifdef CONFIG_WPS
315 if (hapd->conf->wps_state) {
316 wpa_printf(MSG_DEBUG,
317 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
318 sta->flags |= WLAN_STA_MAYBE_WPS;
319 goto skip_wpa_check;
320 }
321 #endif /* CONFIG_WPS */
322
323 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
324 reason = WLAN_REASON_INVALID_IE;
325 status = WLAN_STATUS_INVALID_IE;
326 goto fail;
327 }
328 #ifdef CONFIG_WPS
329 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
330 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
331 struct wpabuf *wps;
332
333 if (check_sa_query_need(hapd, sta)) {
334 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
335
336 p = hostapd_eid_assoc_comeback_time(hapd, sta,
337 p);
338
339 hostapd_sta_assoc(hapd, addr, reassoc, status,
340 buf, p - buf);
341 return 0;
342 }
343
344 sta->flags |= WLAN_STA_WPS;
345 wps = ieee802_11_vendor_ie_concat(ie, ielen,
346 WPS_IE_VENDOR_TYPE);
347 if (wps) {
348 if (wps_is_20(wps)) {
349 wpa_printf(MSG_DEBUG,
350 "WPS: STA supports WPS 2.0");
351 sta->flags |= WLAN_STA_WPS2;
352 }
353 wpabuf_free(wps);
354 }
355 goto skip_wpa_check;
356 }
357 #endif /* CONFIG_WPS */
358
359 if (sta->wpa_sm == NULL)
360 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
361 sta->addr,
362 p2p_dev_addr);
363 if (sta->wpa_sm == NULL) {
364 wpa_printf(MSG_ERROR,
365 "Failed to initialize WPA state machine");
366 return -1;
367 }
368 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
369 hapd->iface->freq,
370 ie, ielen,
371 elems.rsnxe ? elems.rsnxe - 2 : NULL,
372 elems.rsnxe ? elems.rsnxe_len + 2 : 0,
373 elems.mdie, elems.mdie_len,
374 elems.owe_dh, elems.owe_dh_len);
375 reason = WLAN_REASON_INVALID_IE;
376 status = WLAN_STATUS_INVALID_IE;
377 switch (res) {
378 case WPA_IE_OK:
379 reason = WLAN_REASON_UNSPECIFIED;
380 status = WLAN_STATUS_SUCCESS;
381 break;
382 case WPA_INVALID_IE:
383 reason = WLAN_REASON_INVALID_IE;
384 status = WLAN_STATUS_INVALID_IE;
385 break;
386 case WPA_INVALID_GROUP:
387 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
388 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
389 break;
390 case WPA_INVALID_PAIRWISE:
391 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
392 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
393 break;
394 case WPA_INVALID_AKMP:
395 reason = WLAN_REASON_AKMP_NOT_VALID;
396 status = WLAN_STATUS_AKMP_NOT_VALID;
397 break;
398 case WPA_NOT_ENABLED:
399 reason = WLAN_REASON_INVALID_IE;
400 status = WLAN_STATUS_INVALID_IE;
401 break;
402 case WPA_ALLOC_FAIL:
403 reason = WLAN_REASON_UNSPECIFIED;
404 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
405 break;
406 case WPA_MGMT_FRAME_PROTECTION_VIOLATION:
407 reason = WLAN_REASON_INVALID_IE;
408 status = WLAN_STATUS_INVALID_IE;
409 break;
410 case WPA_INVALID_MGMT_GROUP_CIPHER:
411 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
412 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
413 break;
414 case WPA_INVALID_MDIE:
415 reason = WLAN_REASON_INVALID_MDE;
416 status = WLAN_STATUS_INVALID_MDIE;
417 break;
418 case WPA_INVALID_PROTO:
419 reason = WLAN_REASON_INVALID_IE;
420 status = WLAN_STATUS_INVALID_IE;
421 break;
422 case WPA_INVALID_PMKID:
423 reason = WLAN_REASON_INVALID_PMKID;
424 status = WLAN_STATUS_INVALID_PMKID;
425 break;
426 case WPA_DENIED_OTHER_REASON:
427 reason = WLAN_REASON_UNSPECIFIED;
428 status = WLAN_STATUS_ASSOC_DENIED_UNSPEC;
429 break;
430 }
431 if (status != WLAN_STATUS_SUCCESS) {
432 wpa_printf(MSG_DEBUG,
433 "WPA/RSN information element rejected? (res %u)",
434 res);
435 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
436 goto fail;
437 }
438
439 if (check_sa_query_need(hapd, sta)) {
440 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
441
442 p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
443
444 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
445 p - buf);
446 return 0;
447 }
448
449 if (wpa_auth_uses_mfp(sta->wpa_sm))
450 sta->flags |= WLAN_STA_MFP;
451 else
452 sta->flags &= ~WLAN_STA_MFP;
453
454 #ifdef CONFIG_IEEE80211R_AP
455 if (sta->auth_alg == WLAN_AUTH_FT) {
456 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
457 req_ies_len);
458 if (status != WLAN_STATUS_SUCCESS) {
459 if (status == WLAN_STATUS_INVALID_PMKID)
460 reason = WLAN_REASON_INVALID_IE;
461 if (status == WLAN_STATUS_INVALID_MDIE)
462 reason = WLAN_REASON_INVALID_IE;
463 if (status == WLAN_STATUS_INVALID_FTIE)
464 reason = WLAN_REASON_INVALID_IE;
465 goto fail;
466 }
467 }
468 #endif /* CONFIG_IEEE80211R_AP */
469 #ifdef CONFIG_SAE
470 if (hapd->conf->sae_pwe == 2 &&
471 sta->auth_alg == WLAN_AUTH_SAE &&
472 sta->sae && !sta->sae->h2e &&
473 ieee802_11_rsnx_capab_len(elems.rsnxe, elems.rsnxe_len,
474 WLAN_RSNX_CAPAB_SAE_H2E)) {
475 wpa_printf(MSG_INFO, "SAE: " MACSTR_SEC
476 " indicates support for SAE H2E, but did not use it",
477 MAC2STR_SEC(sta->addr));
478 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
479 reason = WLAN_REASON_UNSPECIFIED;
480 goto fail;
481 }
482 #endif /* CONFIG_SAE */
483 } else if (hapd->conf->wps_state) {
484 #ifdef CONFIG_WPS
485 struct wpabuf *wps;
486
487 if (req_ies)
488 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
489 WPS_IE_VENDOR_TYPE);
490 else
491 wps = NULL;
492 #ifdef CONFIG_WPS_STRICT
493 if (wps && wps_validate_assoc_req(wps) < 0) {
494 reason = WLAN_REASON_INVALID_IE;
495 status = WLAN_STATUS_INVALID_IE;
496 wpabuf_free(wps);
497 goto fail;
498 }
499 #endif /* CONFIG_WPS_STRICT */
500 if (wps) {
501 sta->flags |= WLAN_STA_WPS;
502 if (wps_is_20(wps)) {
503 wpa_printf(MSG_DEBUG,
504 "WPS: STA supports WPS 2.0");
505 sta->flags |= WLAN_STA_WPS2;
506 }
507 } else
508 sta->flags |= WLAN_STA_MAYBE_WPS;
509 wpabuf_free(wps);
510 #endif /* CONFIG_WPS */
511 #ifdef CONFIG_HS20
512 } else if (hapd->conf->osen) {
513 if (elems.osen == NULL) {
514 hostapd_logger(
515 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
516 HOSTAPD_LEVEL_INFO,
517 "No HS 2.0 OSEN element in association request");
518 return WLAN_STATUS_INVALID_IE;
519 }
520
521 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
522 if (sta->wpa_sm == NULL)
523 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
524 sta->addr, NULL);
525 if (sta->wpa_sm == NULL) {
526 wpa_printf(MSG_WARNING,
527 "Failed to initialize WPA state machine");
528 return WLAN_STATUS_UNSPECIFIED_FAILURE;
529 }
530 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
531 elems.osen - 2, elems.osen_len + 2) < 0)
532 return WLAN_STATUS_INVALID_IE;
533 #endif /* CONFIG_HS20 */
534 }
535 #ifdef CONFIG_WPS
536 skip_wpa_check:
537 #endif /* CONFIG_WPS */
538
539 #ifdef CONFIG_MBO
540 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
541 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
542 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
543 wpa_printf(MSG_INFO,
544 "MBO: Reject WPA2 association without PMF");
545 return WLAN_STATUS_UNSPECIFIED_FAILURE;
546 }
547 #endif /* CONFIG_MBO */
548
549 #ifdef CONFIG_IEEE80211R_AP
550 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
551 sta->auth_alg, req_ies, req_ies_len,
552 !elems.rsnxe);
553 if (!p) {
554 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
555 return WLAN_STATUS_UNSPECIFIED_FAILURE;
556 }
557 #endif /* CONFIG_IEEE80211R_AP */
558
559 #ifdef CONFIG_FILS
560 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
561 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
562 sta->auth_alg == WLAN_AUTH_FILS_PK) {
563 int delay_assoc = 0;
564
565 if (!req_ies)
566 return WLAN_STATUS_UNSPECIFIED_FAILURE;
567
568 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
569 req_ies_len,
570 sta->fils_session)) {
571 wpa_printf(MSG_DEBUG,
572 "FILS: Session validation failed");
573 return WLAN_STATUS_UNSPECIFIED_FAILURE;
574 }
575
576 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
577 req_ies_len);
578 if (res < 0) {
579 wpa_printf(MSG_DEBUG,
580 "FILS: Key Confirm validation failed");
581 return WLAN_STATUS_UNSPECIFIED_FAILURE;
582 }
583
584 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
585 wpa_printf(MSG_DEBUG,
586 "FILS: Delaying Assoc Response (HLP)");
587 delay_assoc = 1;
588 } else {
589 wpa_printf(MSG_DEBUG,
590 "FILS: Going ahead with Assoc Response (no HLP)");
591 }
592
593 if (sta) {
594 wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
595 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
596 os_free(sta->fils_pending_assoc_req);
597 sta->fils_pending_assoc_req = NULL;
598 sta->fils_pending_assoc_req_len = 0;
599 wpabuf_free(sta->fils_hlp_resp);
600 sta->fils_hlp_resp = NULL;
601 sta->fils_drv_assoc_finish = 0;
602 }
603
604 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
605 u8 *req_tmp;
606
607 req_tmp = os_malloc(req_ies_len);
608 if (!req_tmp) {
609 wpa_printf(MSG_DEBUG,
610 "FILS: buffer allocation failed for assoc req");
611 goto fail;
612 }
613 os_memcpy(req_tmp, req_ies, req_ies_len);
614 sta->fils_pending_assoc_req = req_tmp;
615 sta->fils_pending_assoc_req_len = req_ies_len;
616 sta->fils_pending_assoc_is_reassoc = reassoc;
617 sta->fils_drv_assoc_finish = 1;
618 wpa_printf(MSG_DEBUG,
619 "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
620 MACSTR_SEC, MAC2STR_SEC(sta->addr));
621 eloop_register_timeout(
622 0, hapd->conf->fils_hlp_wait_time * 1024,
623 fils_hlp_timeout, hapd, sta);
624 return 0;
625 }
626 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
627 elems.fils_session,
628 sta->fils_hlp_resp);
629 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
630 buf, p - buf);
631 }
632 #endif /* CONFIG_FILS */
633
634 #ifdef CONFIG_OWE
635 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
636 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
637 elems.owe_dh) {
638 u8 *npos;
639 u16 ret_status;
640
641 npos = owe_assoc_req_process(hapd, sta,
642 elems.owe_dh, elems.owe_dh_len,
643 p, sizeof(buf) - (p - buf),
644 &ret_status);
645 status = ret_status;
646 if (npos)
647 p = npos;
648
649 if (!npos &&
650 status == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
651 hostapd_sta_assoc(hapd, addr, reassoc, ret_status, buf,
652 p - buf);
653 return 0;
654 }
655
656 if (!npos || status != WLAN_STATUS_SUCCESS)
657 goto fail;
658 }
659 #endif /* CONFIG_OWE */
660
661 #ifdef CONFIG_DPP2
662 dpp_pfs_free(sta->dpp_pfs);
663 sta->dpp_pfs = NULL;
664
665 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) &&
666 hapd->conf->dpp_netaccesskey && sta->wpa_sm &&
667 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_DPP &&
668 elems.owe_dh) {
669 sta->dpp_pfs = dpp_pfs_init(
670 wpabuf_head(hapd->conf->dpp_netaccesskey),
671 wpabuf_len(hapd->conf->dpp_netaccesskey));
672 if (!sta->dpp_pfs) {
673 wpa_printf(MSG_DEBUG,
674 "DPP: Could not initialize PFS");
675 /* Try to continue without PFS */
676 goto pfs_fail;
677 }
678
679 if (dpp_pfs_process(sta->dpp_pfs, elems.owe_dh,
680 elems.owe_dh_len) < 0) {
681 dpp_pfs_free(sta->dpp_pfs);
682 sta->dpp_pfs = NULL;
683 reason = WLAN_REASON_UNSPECIFIED;
684 goto fail;
685 }
686 }
687
688 wpa_auth_set_dpp_z(sta->wpa_sm, sta->dpp_pfs ?
689 sta->dpp_pfs->secret : NULL);
690 pfs_fail:
691 #endif /* CONFIG_DPP2 */
692
693 if (elems.rrm_enabled &&
694 elems.rrm_enabled_len >= sizeof(sta->rrm_enabled_capa))
695 os_memcpy(sta->rrm_enabled_capa, elems.rrm_enabled,
696 sizeof(sta->rrm_enabled_capa));
697
698 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
699 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
700
701 if (sta->auth_alg == WLAN_AUTH_FT ||
702 sta->auth_alg == WLAN_AUTH_FILS_SK ||
703 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
704 sta->auth_alg == WLAN_AUTH_FILS_PK)
705 ap_sta_set_authorized(hapd, sta, 1);
706 #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
707 /* Keep compiler silent about unused variables */
708 if (status) {
709 }
710 #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
711
712 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
713 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
714 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
715
716 hostapd_set_sta_flags(hapd, sta);
717
718 #ifdef CONFIG_VENDOR_EXT
719 int result = wpa_vendor_ext_process_hostapd_assoc(hapd, req_ies, req_ies_len, sta);
720 if (result == -1) {
721 goto fail;
722 }
723 if (result == 1) {
724 goto processed;
725 }
726 #endif
727 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
728 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
729 #ifdef CONFIG_FILS
730 else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
731 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
732 sta->auth_alg == WLAN_AUTH_FILS_PK)
733 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
734 #endif /* CONFIG_FILS */
735 else
736 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
737 #ifdef CONFIG_VENDOR_EXT
738 processed:
739 #endif
740 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
741
742 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
743
744 #ifdef CONFIG_P2P
745 if (req_ies) {
746 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
747 req_ies, req_ies_len);
748 }
749 #endif /* CONFIG_P2P */
750
751 return 0;
752
753 fail:
754 #ifdef CONFIG_IEEE80211R_AP
755 if (status >= 0)
756 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
757 #endif /* CONFIG_IEEE80211R_AP */
758 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
759 ap_free_sta(hapd, sta);
760 return -1;
761 }
762
763
hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)764 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
765 {
766 struct sta_info *sta;
767
768 if (addr == NULL) {
769 /*
770 * This could potentially happen with unexpected event from the
771 * driver wrapper. This was seen at least in one case where the
772 * driver ended up reporting a station mode event while hostapd
773 * was running, so better make sure we stop processing such an
774 * event here.
775 */
776 wpa_printf(MSG_DEBUG,
777 "hostapd_notif_disassoc: Skip event with no address");
778 return;
779 }
780
781 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
782 HOSTAPD_LEVEL_INFO, "disassociated");
783
784 sta = ap_get_sta(hapd, addr);
785 if (sta == NULL) {
786 wpa_printf(MSG_DEBUG,
787 "Disassociation notification for unknown STA "
788 MACSTR_SEC, MAC2STR_SEC(addr));
789 return;
790 }
791
792 ap_sta_set_authorized(hapd, sta, 0);
793 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
794 hostapd_set_sta_flags(hapd, sta);
795 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
796 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
797 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
798 ap_free_sta(hapd, sta);
799 }
800
801
hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)802 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
803 {
804 struct sta_info *sta = ap_get_sta(hapd, addr);
805
806 if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
807 return;
808
809 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
810 HOSTAPD_LEVEL_INFO,
811 "disconnected due to excessive missing ACKs");
812 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
813 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
814 }
815
816
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)817 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
818 enum smps_mode smps_mode,
819 enum chan_width chan_width, u8 rx_nss)
820 {
821 struct sta_info *sta = ap_get_sta(hapd, addr);
822 const char *txt;
823
824 if (!sta)
825 return;
826
827 switch (smps_mode) {
828 case SMPS_AUTOMATIC:
829 txt = "automatic";
830 break;
831 case SMPS_OFF:
832 txt = "off";
833 break;
834 case SMPS_DYNAMIC:
835 txt = "dynamic";
836 break;
837 case SMPS_STATIC:
838 txt = "static";
839 break;
840 default:
841 txt = NULL;
842 break;
843 }
844 if (txt) {
845 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
846 MACSTR " %s", MAC2STR(addr), txt);
847 }
848
849 switch (chan_width) {
850 case CHAN_WIDTH_20_NOHT:
851 txt = "20(no-HT)";
852 break;
853 case CHAN_WIDTH_20:
854 txt = "20";
855 break;
856 case CHAN_WIDTH_40:
857 txt = "40";
858 break;
859 case CHAN_WIDTH_80:
860 txt = "80";
861 break;
862 case CHAN_WIDTH_80P80:
863 txt = "80+80";
864 break;
865 case CHAN_WIDTH_160:
866 txt = "160";
867 break;
868 default:
869 txt = NULL;
870 break;
871 }
872 if (txt) {
873 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
874 MACSTR " %s", MAC2STR(addr), txt);
875 }
876
877 if (rx_nss != 0xff) {
878 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
879 MACSTR " %d", MAC2STR(addr), rx_nss);
880 }
881 }
882
883
hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, int offset, int width, int cf1, int cf2, int finished)884 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
885 int offset, int width, int cf1, int cf2,
886 int finished)
887 {
888 #define VENDOR_EXT_CHANNEL_SWITCH 4
889 #ifdef NEED_AP_MLME
890 int channel, chwidth, is_dfs;
891 u8 seg0_idx = 0, seg1_idx = 0;
892 size_t i;
893
894 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
895 HOSTAPD_LEVEL_INFO,
896 "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",
897 finished ? "had" : "starting",
898 freq, ht, hapd->iconf->ch_switch_vht_config,
899 hapd->iconf->ch_switch_he_config, offset,
900 width, channel_width_to_string(width), cf1, cf2);
901
902 if (!hapd->iface->current_mode) {
903 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
904 HOSTAPD_LEVEL_WARNING,
905 "ignore channel switch since the interface is not yet ready");
906 return;
907 }
908
909 hapd->iface->freq = freq;
910
911 channel = hostapd_hw_get_channel(hapd, freq);
912 if (!channel) {
913 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
914 HOSTAPD_LEVEL_WARNING,
915 "driver switched to bad channel!");
916 return;
917 }
918
919 switch (width) {
920 case CHAN_WIDTH_80:
921 chwidth = CHANWIDTH_80MHZ;
922 break;
923 case CHAN_WIDTH_80P80:
924 chwidth = CHANWIDTH_80P80MHZ;
925 break;
926 case CHAN_WIDTH_160:
927 chwidth = CHANWIDTH_160MHZ;
928 break;
929 case CHAN_WIDTH_20_NOHT:
930 case CHAN_WIDTH_20:
931 case CHAN_WIDTH_40:
932 default:
933 chwidth = CHANWIDTH_USE_HT;
934 break;
935 }
936
937 switch (hapd->iface->current_mode->mode) {
938 case HOSTAPD_MODE_IEEE80211A:
939 if (cf1 == 5935)
940 seg0_idx = (cf1 - 5925) / 5;
941 else if (cf1 > 5950)
942 seg0_idx = (cf1 - 5950) / 5;
943 else if (cf1 > 5000)
944 seg0_idx = (cf1 - 5000) / 5;
945
946 if (cf2 == 5935)
947 seg1_idx = (cf2 - 5925) / 5;
948 else if (cf2 > 5950)
949 seg1_idx = (cf2 - 5950) / 5;
950 else if (cf2 > 5000)
951 seg1_idx = (cf2 - 5000) / 5;
952 break;
953 default:
954 ieee80211_freq_to_chan(cf1, &seg0_idx);
955 ieee80211_freq_to_chan(cf2, &seg1_idx);
956 break;
957 }
958
959 hapd->iconf->channel = channel;
960 hapd->iconf->ieee80211n = ht;
961 if (!ht) {
962 hapd->iconf->ieee80211ac = 0;
963 } else if (hapd->iconf->ch_switch_vht_config) {
964 /* CHAN_SWITCH VHT config */
965 if (hapd->iconf->ch_switch_vht_config &
966 CH_SWITCH_VHT_ENABLED)
967 hapd->iconf->ieee80211ac = 1;
968 else if (hapd->iconf->ch_switch_vht_config &
969 CH_SWITCH_VHT_DISABLED)
970 hapd->iconf->ieee80211ac = 0;
971 } else if (hapd->iconf->ch_switch_he_config) {
972 /* CHAN_SWITCH HE config */
973 if (hapd->iconf->ch_switch_he_config &
974 CH_SWITCH_HE_ENABLED)
975 hapd->iconf->ieee80211ax = 1;
976 else if (hapd->iconf->ch_switch_he_config &
977 CH_SWITCH_HE_DISABLED)
978 hapd->iconf->ieee80211ax = 0;
979 }
980 hapd->iconf->ch_switch_vht_config = 0;
981 hapd->iconf->ch_switch_he_config = 0;
982
983 if (width == CHAN_WIDTH_40 || width == CHAN_WIDTH_80 ||
984 width == CHAN_WIDTH_80P80 || width == CHAN_WIDTH_160)
985 hapd->iconf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
986 else if (width == CHAN_WIDTH_20 || width == CHAN_WIDTH_20_NOHT)
987 hapd->iconf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
988
989 hapd->iconf->secondary_channel = offset;
990 hostapd_set_oper_chwidth(hapd->iconf, chwidth);
991 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, seg0_idx);
992 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, seg1_idx);
993 if (hapd->iconf->ieee80211ac) {
994 hapd->iconf->vht_capab &= ~VHT_CAP_SUPP_CHAN_WIDTH_MASK;
995 if (chwidth == CHANWIDTH_160MHZ)
996 hapd->iconf->vht_capab |=
997 VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
998 else if (chwidth == CHANWIDTH_80P80MHZ)
999 hapd->iconf->vht_capab |=
1000 VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1001 }
1002
1003 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
1004 hapd->iface->num_hw_features);
1005
1006 wpa_msg(hapd->msg_ctx, MSG_INFO,
1007 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d dfs=%d",
1008 finished ? WPA_EVENT_CHANNEL_SWITCH :
1009 WPA_EVENT_CHANNEL_SWITCH_STARTED,
1010 freq, ht, offset, channel_width_to_string(width),
1011 cf1, cf2, is_dfs);
1012 #ifdef CONFIG_LIBWPA_VENDOR
1013 if (finished) {
1014 struct WpaVendorExtInfo wpaVendorExtInfo;
1015 os_memset(&wpaVendorExtInfo, 0, sizeof(struct WpaVendorExtInfo));
1016 wpaVendorExtInfo.type = VENDOR_EXT_CHANNEL_SWITCH;
1017 wpaVendorExtInfo.freq = freq;
1018 wpaVendorExtInfo.width = width;
1019 wpa_printf(MSG_INFO, "HDI: EVENT_CHANNEL_SWITCH-type %d ", wpaVendorExtInfo.type);
1020 struct wpa_supplicant *wpa_s = (struct wpa_supplicant *) hapd->msg_ctx;
1021 WpaEventReport(wpa_s->ifname, WPA_EVENT_VENDOR_EXT, (void *) &wpaVendorExtInfo);
1022 }
1023 #endif
1024 if (!finished)
1025 return;
1026
1027 if (hapd->csa_in_progress &&
1028 freq == hapd->cs_freq_params.freq) {
1029 hostapd_cleanup_cs_params(hapd);
1030 ieee802_11_set_beacon(hapd);
1031
1032 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
1033 "freq=%d dfs=%d", freq, is_dfs);
1034 #ifdef CONFIG_LIBWPA_VENDOR
1035 struct HostapdApCbParm hostapdApCbParm = {};
1036 int result = os_snprintf((char*)hostapdApCbParm.content, WIFI_HOSTAPD_CB_CONTENT_LENGTH,
1037 "%sfreq=%d", AP_CSA_FINISHED, freq);
1038 if (os_snprintf_error(WIFI_HOSTAPD_CB_CONTENT_LENGTH, result)) {
1039 wpa_printf(MSG_ERROR, "hostapd_event_ch_switch AP_CSA_FINISHED os_snprintf_error");
1040 } else {
1041 hostapdApCbParm.id = 0;
1042 wpa_printf(MSG_INFO, "1: %s AP_CSA_FINISHED %s", __func__, hostapdApCbParm.content);
1043 HostapdEventReport(hapd->conf->iface, HOSTAPD_EVENT_AP_STATE, (void *) &hostapdApCbParm);
1044 }
1045 #endif
1046 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
1047 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
1048 "freq=%d dfs=%d", freq, is_dfs);
1049 #ifdef CONFIG_LIBWPA_VENDOR
1050 struct HostapdApCbParm hostapdApCbParm = {};
1051 int result = os_snprintf((char*)hostapdApCbParm.content, WIFI_HOSTAPD_CB_CONTENT_LENGTH,
1052 "%sfreq=%d", AP_CSA_FINISHED, freq);
1053 if (os_snprintf_error(WIFI_HOSTAPD_CB_CONTENT_LENGTH, result)) {
1054 wpa_printf(MSG_ERROR, "hostapd_event_ch_switch AP_CSA_FINISHED os_snprintf_error");
1055 } else {
1056 hostapdApCbParm.id = 0;
1057 wpa_printf(MSG_INFO, "1: %s AP_CSA_FINISHED %s", __func__, hostapdApCbParm.content);
1058 HostapdEventReport(hapd->conf->iface, HOSTAPD_EVENT_AP_STATE, (void *) &hostapdApCbParm);
1059 }
1060 #endif
1061 } else if (is_dfs &&
1062 hostapd_is_dfs_required(hapd->iface) &&
1063 !hostapd_is_dfs_chan_available(hapd->iface) &&
1064 !hapd->iface->cac_started) {
1065 hostapd_disable_iface(hapd->iface);
1066 hostapd_enable_iface(hapd->iface);
1067 }
1068
1069 for (i = 0; i < hapd->iface->num_bss; i++)
1070 hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
1071
1072 #ifdef CONFIG_OCV
1073 if (hapd->conf->ocv) {
1074 struct sta_info *sta;
1075 bool check_sa_query = false;
1076
1077 for (sta = hapd->sta_list; sta; sta = sta->next) {
1078 if (wpa_auth_uses_ocv(sta->wpa_sm) &&
1079 !(sta->flags & WLAN_STA_WNM_SLEEP_MODE)) {
1080 sta->post_csa_sa_query = 1;
1081 check_sa_query = true;
1082 }
1083 }
1084
1085 if (check_sa_query) {
1086 wpa_printf(MSG_DEBUG,
1087 "OCV: Check post-CSA SA Query initiation in 15 seconds");
1088 eloop_register_timeout(15, 0,
1089 hostapd_ocv_check_csa_sa_query,
1090 hapd, NULL);
1091 }
1092 }
1093 #endif /* CONFIG_OCV */
1094 #endif /* NEED_AP_MLME */
1095 }
1096
1097
hostapd_event_connect_failed_reason(struct hostapd_data *hapd, const u8 *addr, int reason_code)1098 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
1099 const u8 *addr, int reason_code)
1100 {
1101 switch (reason_code) {
1102 case MAX_CLIENT_REACHED:
1103 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
1104 MAC2STR(addr));
1105 break;
1106 case BLOCKED_CLIENT:
1107 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
1108 MAC2STR(addr));
1109 break;
1110 }
1111 }
1112
1113
1114 #ifdef CONFIG_ACS
hostapd_acs_channel_selected(struct hostapd_data *hapd, struct acs_selected_channels *acs_res)1115 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
1116 struct acs_selected_channels *acs_res)
1117 {
1118 int ret, i;
1119 int err = 0;
1120 struct hostapd_channel_data *pri_chan;
1121
1122 if (hapd->iconf->channel) {
1123 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
1124 hapd->iconf->channel);
1125 return;
1126 }
1127
1128 hapd->iface->freq = acs_res->pri_freq;
1129
1130 if (!hapd->iface->current_mode) {
1131 for (i = 0; i < hapd->iface->num_hw_features; i++) {
1132 struct hostapd_hw_modes *mode =
1133 &hapd->iface->hw_features[i];
1134
1135 if (mode->mode == acs_res->hw_mode) {
1136 if (hapd->iface->freq > 0 &&
1137 !hw_get_chan(mode->mode,
1138 hapd->iface->freq,
1139 hapd->iface->hw_features,
1140 hapd->iface->num_hw_features))
1141 continue;
1142 hapd->iface->current_mode = mode;
1143 break;
1144 }
1145 }
1146 if (!hapd->iface->current_mode) {
1147 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1148 HOSTAPD_LEVEL_WARNING,
1149 "driver selected to bad hw_mode");
1150 err = 1;
1151 goto out;
1152 }
1153 }
1154
1155 if (!acs_res->pri_freq) {
1156 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
1157 HOSTAPD_LEVEL_WARNING,
1158 "driver switched to bad channel");
1159 err = 1;
1160 goto out;
1161 }
1162 pri_chan = hw_get_channel_freq(hapd->iface->current_mode->mode,
1163 acs_res->pri_freq, NULL,
1164 hapd->iface->hw_features,
1165 hapd->iface->num_hw_features);
1166 if (!pri_chan) {
1167 wpa_printf(MSG_ERROR,
1168 "ACS: Could not determine primary channel number from pri_freq %u",
1169 acs_res->pri_freq);
1170 err = 1;
1171 goto out;
1172 }
1173
1174 hapd->iconf->channel = pri_chan->chan;
1175 hapd->iconf->acs = 1;
1176
1177 if (acs_res->sec_freq == 0)
1178 hapd->iconf->secondary_channel = 0;
1179 else if (acs_res->sec_freq < acs_res->pri_freq)
1180 hapd->iconf->secondary_channel = -1;
1181 else if (acs_res->sec_freq > acs_res->pri_freq)
1182 hapd->iconf->secondary_channel = 1;
1183 else {
1184 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
1185 err = 1;
1186 goto out;
1187 }
1188
1189 hapd->iconf->edmg_channel = acs_res->edmg_channel;
1190
1191 if (hapd->iface->conf->ieee80211ac || hapd->iface->conf->ieee80211ax) {
1192 /* set defaults for backwards compatibility */
1193 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, 0);
1194 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, 0);
1195 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_USE_HT);
1196 if (acs_res->ch_width == 40) {
1197 if (is_6ghz_freq(acs_res->pri_freq))
1198 hostapd_set_oper_centr_freq_seg0_idx(
1199 hapd->iconf,
1200 acs_res->vht_seg0_center_ch);
1201 } else if (acs_res->ch_width == 80) {
1202 hostapd_set_oper_centr_freq_seg0_idx(
1203 hapd->iconf, acs_res->vht_seg0_center_ch);
1204 if (acs_res->vht_seg1_center_ch == 0) {
1205 hostapd_set_oper_chwidth(hapd->iconf,
1206 CHANWIDTH_80MHZ);
1207 } else {
1208 hostapd_set_oper_chwidth(hapd->iconf,
1209 CHANWIDTH_80P80MHZ);
1210 hostapd_set_oper_centr_freq_seg1_idx(
1211 hapd->iconf,
1212 acs_res->vht_seg1_center_ch);
1213 }
1214 } else if (acs_res->ch_width == 160) {
1215 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_160MHZ);
1216 hostapd_set_oper_centr_freq_seg0_idx(
1217 hapd->iconf, acs_res->vht_seg1_center_ch);
1218 }
1219 }
1220
1221 out:
1222 ret = hostapd_acs_completed(hapd->iface, err);
1223 if (ret) {
1224 wpa_printf(MSG_ERROR,
1225 "ACS: Possibly channel configuration is invalid");
1226 }
1227 }
1228 #endif /* CONFIG_ACS */
1229
1230
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)1231 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
1232 const u8 *bssid, const u8 *ie, size_t ie_len,
1233 int ssi_signal)
1234 {
1235 size_t i;
1236 int ret = 0;
1237
1238 if (sa == NULL || ie == NULL)
1239 return -1;
1240
1241 random_add_randomness(sa, ETH_ALEN);
1242 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
1243 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
1244 sa, da, bssid, ie, ie_len,
1245 ssi_signal) > 0) {
1246 ret = 1;
1247 break;
1248 }
1249 }
1250 return ret;
1251 }
1252
1253
1254 #ifdef HOSTAPD
1255
1256 #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)1257 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
1258 const u8 *bssid,
1259 u16 auth_transaction, u16 status,
1260 const u8 *ies, size_t ies_len)
1261 {
1262 struct hostapd_data *hapd = ctx;
1263 struct sta_info *sta;
1264
1265 sta = ap_get_sta(hapd, dst);
1266 if (sta == NULL)
1267 return;
1268
1269 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
1270 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
1271 sta->flags |= WLAN_STA_AUTH;
1272
1273 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
1274 }
1275 #endif /* CONFIG_IEEE80211R_AP */
1276
1277
1278 #ifdef CONFIG_FILS
hostapd_notify_auth_fils_finish(struct hostapd_data *hapd, struct sta_info *sta, u16 resp, struct wpabuf *data, int pub)1279 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
1280 struct sta_info *sta, u16 resp,
1281 struct wpabuf *data, int pub)
1282 {
1283 if (resp == WLAN_STATUS_SUCCESS) {
1284 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1285 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
1286 sta->flags |= WLAN_STA_AUTH;
1287 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
1288 sta->auth_alg = WLAN_AUTH_FILS_SK;
1289 mlme_authenticate_indication(hapd, sta);
1290 } else {
1291 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1292 HOSTAPD_LEVEL_DEBUG,
1293 "authentication failed (FILS)");
1294 }
1295
1296 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1297 data ? wpabuf_head(data) : NULL,
1298 data ? wpabuf_len(data) : 0);
1299 wpabuf_free(data);
1300 }
1301 #endif /* CONFIG_FILS */
1302
1303
hostapd_notif_auth(struct hostapd_data *hapd, struct auth_info *rx_auth)1304 static void hostapd_notif_auth(struct hostapd_data *hapd,
1305 struct auth_info *rx_auth)
1306 {
1307 struct sta_info *sta;
1308 u16 status = WLAN_STATUS_SUCCESS;
1309 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1310 size_t resp_ies_len = 0;
1311
1312 sta = ap_get_sta(hapd, rx_auth->peer);
1313 if (!sta) {
1314 sta = ap_sta_add(hapd, rx_auth->peer);
1315 if (sta == NULL) {
1316 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1317 goto fail;
1318 }
1319 }
1320 sta->flags &= ~WLAN_STA_PREAUTH;
1321 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1322 #ifdef CONFIG_IEEE80211R_AP
1323 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1324 sta->auth_alg = WLAN_AUTH_FT;
1325 if (sta->wpa_sm == NULL)
1326 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1327 sta->addr, NULL);
1328 if (sta->wpa_sm == NULL) {
1329 wpa_printf(MSG_DEBUG,
1330 "FT: Failed to initialize WPA state machine");
1331 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1332 goto fail;
1333 }
1334 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1335 rx_auth->auth_transaction, rx_auth->ies,
1336 rx_auth->ies_len,
1337 hostapd_notify_auth_ft_finish, hapd);
1338 return;
1339 }
1340 #endif /* CONFIG_IEEE80211R_AP */
1341
1342 #ifdef CONFIG_FILS
1343 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1344 sta->auth_alg = WLAN_AUTH_FILS_SK;
1345 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1346 rx_auth->auth_type, rx_auth->auth_transaction,
1347 rx_auth->status_code,
1348 hostapd_notify_auth_fils_finish);
1349 return;
1350 }
1351 #endif /* CONFIG_FILS */
1352
1353 fail:
1354 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1355 status, resp_ies, resp_ies_len);
1356 }
1357
1358
1359 #ifndef NEED_AP_MLME
hostapd_action_rx(struct hostapd_data *hapd, struct rx_mgmt *drv_mgmt)1360 static void hostapd_action_rx(struct hostapd_data *hapd,
1361 struct rx_mgmt *drv_mgmt)
1362 {
1363 struct ieee80211_mgmt *mgmt;
1364 struct sta_info *sta;
1365 size_t plen __maybe_unused;
1366 u16 fc;
1367 u8 *action __maybe_unused;
1368
1369 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1370 return;
1371
1372 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
1373
1374 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1375 fc = le_to_host16(mgmt->frame_control);
1376 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1377 return; /* handled by the driver */
1378
1379 action = (u8 *) &mgmt->u.action.u;
1380 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR_SEC
1381 " da " MACSTR_SEC " plen %d",
1382 mgmt->u.action.category, *action,
1383 MAC2STR_SEC(mgmt->sa), MAC2STR_SEC(mgmt->da), (int) plen);
1384
1385 sta = ap_get_sta(hapd, mgmt->sa);
1386 if (sta == NULL) {
1387 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1388 return;
1389 }
1390 #ifdef CONFIG_IEEE80211R_AP
1391 if (mgmt->u.action.category == WLAN_ACTION_FT) {
1392 wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
1393 return;
1394 }
1395 #endif /* CONFIG_IEEE80211R_AP */
1396 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
1397 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
1398 return;
1399 }
1400 #ifdef CONFIG_WNM_AP
1401 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1402 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1403 return;
1404 }
1405 #endif /* CONFIG_WNM_AP */
1406 #ifdef CONFIG_FST
1407 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1408 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1409 return;
1410 }
1411 #endif /* CONFIG_FST */
1412 #ifdef CONFIG_DPP
1413 if (plen >= 2 + 4 &&
1414 mgmt->u.action.u.vs_public_action.action ==
1415 WLAN_PA_VENDOR_SPECIFIC &&
1416 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1417 OUI_WFA &&
1418 mgmt->u.action.u.vs_public_action.variable[0] ==
1419 DPP_OUI_TYPE) {
1420 const u8 *pos, *end;
1421
1422 pos = mgmt->u.action.u.vs_public_action.oui;
1423 end = drv_mgmt->frame + drv_mgmt->frame_len;
1424 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1425 drv_mgmt->freq);
1426 return;
1427 }
1428 #endif /* CONFIG_DPP */
1429 }
1430 #endif /* NEED_AP_MLME */
1431
1432
1433 #ifdef NEED_AP_MLME
1434
1435 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1436
get_hapd_bssid(struct hostapd_iface *iface, const u8 *bssid)1437 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1438 const u8 *bssid)
1439 {
1440 size_t i;
1441
1442 if (bssid == NULL)
1443 return NULL;
1444 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1445 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1446 return HAPD_BROADCAST;
1447
1448 for (i = 0; i < iface->num_bss; i++) {
1449 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1450 return iface->bss[i];
1451 }
1452
1453 return NULL;
1454 }
1455
1456
hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *bssid, const u8 *addr, int wds)1457 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1458 const u8 *bssid, const u8 *addr,
1459 int wds)
1460 {
1461 hapd = get_hapd_bssid(hapd->iface, bssid);
1462 if (hapd == NULL || hapd == HAPD_BROADCAST)
1463 return;
1464
1465 ieee802_11_rx_from_unknown(hapd, addr, wds);
1466 }
1467
1468
hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)1469 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1470 {
1471 struct hostapd_iface *iface = hapd->iface;
1472 const struct ieee80211_hdr *hdr;
1473 const u8 *bssid;
1474 struct hostapd_frame_info fi;
1475 int ret;
1476
1477 #ifdef CONFIG_TESTING_OPTIONS
1478 if (hapd->ext_mgmt_frame_handling) {
1479 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1480 char *hex = os_malloc(hex_len);
1481
1482 if (hex) {
1483 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1484 rx_mgmt->frame_len);
1485 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1486 os_free(hex);
1487 }
1488 return 1;
1489 }
1490 #endif /* CONFIG_TESTING_OPTIONS */
1491
1492 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1493 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1494 if (bssid == NULL)
1495 return 0;
1496
1497 hapd = get_hapd_bssid(iface, bssid);
1498 if (hapd == NULL) {
1499 u16 fc = le_to_host16(hdr->frame_control);
1500
1501 /*
1502 * Drop frames to unknown BSSIDs except for Beacon frames which
1503 * could be used to update neighbor information.
1504 */
1505 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1506 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1507 hapd = iface->bss[0];
1508 else
1509 return 0;
1510 }
1511
1512 os_memset(&fi, 0, sizeof(fi));
1513 fi.freq = rx_mgmt->freq;
1514 fi.datarate = rx_mgmt->datarate;
1515 fi.ssi_signal = rx_mgmt->ssi_signal;
1516
1517 if (hapd == HAPD_BROADCAST) {
1518 size_t i;
1519
1520 ret = 0;
1521 for (i = 0; i < iface->num_bss; i++) {
1522 /* if bss is set, driver will call this function for
1523 * each bss individually. */
1524 if (rx_mgmt->drv_priv &&
1525 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1526 continue;
1527
1528 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1529 rx_mgmt->frame_len, &fi) > 0)
1530 ret = 1;
1531 }
1532 } else
1533 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1534 &fi);
1535
1536 random_add_randomness(&fi, sizeof(fi));
1537
1538 return ret;
1539 }
1540
1541
hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, size_t len, u16 stype, int ok)1542 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1543 size_t len, u16 stype, int ok)
1544 {
1545 struct ieee80211_hdr *hdr;
1546 struct hostapd_data *orig_hapd = hapd;
1547
1548 hdr = (struct ieee80211_hdr *) buf;
1549 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1550 if (!hapd)
1551 return;
1552 if (hapd == HAPD_BROADCAST) {
1553 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1554 buf[24] != WLAN_ACTION_PUBLIC)
1555 return;
1556 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1557 if (!hapd || hapd == HAPD_BROADCAST)
1558 return;
1559 /*
1560 * Allow processing of TX status for a Public Action frame that
1561 * used wildcard BBSID.
1562 */
1563 }
1564 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1565 }
1566
1567 #endif /* NEED_AP_MLME */
1568
1569
hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)1570 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1571 {
1572 struct sta_info *sta = ap_get_sta(hapd, addr);
1573
1574 if (sta)
1575 return 0;
1576
1577 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR_SEC
1578 " - adding a new STA", MAC2STR_SEC(addr));
1579 sta = ap_sta_add(hapd, addr);
1580 if (sta) {
1581 hostapd_new_assoc_sta(hapd, sta, 0);
1582 } else {
1583 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR_SEC,
1584 MAC2STR_SEC(addr));
1585 return -1;
1586 }
1587
1588 return 0;
1589 }
1590
1591
hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, const u8 *data, size_t data_len)1592 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1593 const u8 *data, size_t data_len)
1594 {
1595 struct hostapd_iface *iface = hapd->iface;
1596 struct sta_info *sta;
1597 size_t j;
1598
1599 for (j = 0; j < iface->num_bss; j++) {
1600 sta = ap_get_sta(iface->bss[j], src);
1601 if (sta && sta->flags & WLAN_STA_ASSOC) {
1602 hapd = iface->bss[j];
1603 break;
1604 }
1605 }
1606
1607 ieee802_1x_receive(hapd, src, data, data_len);
1608 }
1609
1610 #endif /* HOSTAPD */
1611
1612
1613 static struct hostapd_channel_data *
hostapd_get_mode_chan(struct hostapd_hw_modes *mode, unsigned int freq)1614 hostapd_get_mode_chan(struct hostapd_hw_modes *mode, unsigned int freq)
1615 {
1616 int i;
1617 struct hostapd_channel_data *chan;
1618
1619 for (i = 0; i < mode->num_channels; i++) {
1620 chan = &mode->channels[i];
1621 if ((unsigned int) chan->freq == freq)
1622 return chan;
1623 }
1624
1625 return NULL;
1626 }
1627
1628
hostapd_get_mode_channel( struct hostapd_iface *iface, unsigned int freq)1629 static struct hostapd_channel_data * hostapd_get_mode_channel(
1630 struct hostapd_iface *iface, unsigned int freq)
1631 {
1632 int i;
1633 struct hostapd_channel_data *chan;
1634
1635 for (i = 0; i < iface->num_hw_features; i++) {
1636 if (hostapd_hw_skip_mode(iface, &iface->hw_features[i]))
1637 continue;
1638 chan = hostapd_get_mode_chan(&iface->hw_features[i], freq);
1639 if (chan)
1640 return chan;
1641 }
1642
1643 return NULL;
1644 }
1645
1646
hostapd_update_nf(struct hostapd_iface *iface, struct hostapd_channel_data *chan, struct freq_survey *survey)1647 static void hostapd_update_nf(struct hostapd_iface *iface,
1648 struct hostapd_channel_data *chan,
1649 struct freq_survey *survey)
1650 {
1651 if (!iface->chans_surveyed) {
1652 chan->min_nf = survey->nf;
1653 iface->lowest_nf = survey->nf;
1654 } else {
1655 if (dl_list_empty(&chan->survey_list))
1656 chan->min_nf = survey->nf;
1657 else if (survey->nf < chan->min_nf)
1658 chan->min_nf = survey->nf;
1659 if (survey->nf < iface->lowest_nf)
1660 iface->lowest_nf = survey->nf;
1661 }
1662 }
1663
1664
hostapd_single_channel_get_survey(struct hostapd_iface *iface, struct survey_results *survey_res)1665 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1666 struct survey_results *survey_res)
1667 {
1668 struct hostapd_channel_data *chan;
1669 struct freq_survey *survey;
1670 u64 divisor, dividend;
1671
1672 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1673 list);
1674 if (!survey || !survey->freq)
1675 return;
1676
1677 chan = hostapd_get_mode_channel(iface, survey->freq);
1678 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1679 return;
1680
1681 wpa_printf(MSG_DEBUG,
1682 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1683 survey->freq,
1684 (unsigned long int) survey->channel_time,
1685 (unsigned long int) survey->channel_time_busy);
1686
1687 if (survey->channel_time > iface->last_channel_time &&
1688 survey->channel_time > survey->channel_time_busy) {
1689 dividend = survey->channel_time_busy -
1690 iface->last_channel_time_busy;
1691 divisor = survey->channel_time - iface->last_channel_time;
1692
1693 iface->channel_utilization = dividend * 255 / divisor;
1694 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1695 iface->channel_utilization);
1696 }
1697 iface->last_channel_time = survey->channel_time;
1698 iface->last_channel_time_busy = survey->channel_time_busy;
1699 }
1700
1701
hostapd_event_get_survey(struct hostapd_iface *iface, struct survey_results *survey_results)1702 void hostapd_event_get_survey(struct hostapd_iface *iface,
1703 struct survey_results *survey_results)
1704 {
1705 struct freq_survey *survey, *tmp;
1706 struct hostapd_channel_data *chan;
1707
1708 if (dl_list_empty(&survey_results->survey_list)) {
1709 wpa_printf(MSG_DEBUG, "No survey data received");
1710 return;
1711 }
1712
1713 if (survey_results->freq_filter) {
1714 hostapd_single_channel_get_survey(iface, survey_results);
1715 return;
1716 }
1717
1718 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1719 struct freq_survey, list) {
1720 chan = hostapd_get_mode_channel(iface, survey->freq);
1721 if (!chan)
1722 continue;
1723 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1724 continue;
1725
1726 dl_list_del(&survey->list);
1727 dl_list_add_tail(&chan->survey_list, &survey->list);
1728
1729 hostapd_update_nf(iface, chan, survey);
1730
1731 iface->chans_surveyed++;
1732 }
1733 }
1734
1735
1736 #ifdef HOSTAPD
1737 #ifdef NEED_AP_MLME
1738
hostapd_event_iface_unavailable(struct hostapd_data *hapd)1739 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1740 {
1741 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1742 hapd->conf->iface);
1743
1744 if (hapd->csa_in_progress) {
1745 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1746 hapd->conf->iface);
1747 hostapd_switch_channel_fallback(hapd->iface,
1748 &hapd->cs_freq_params);
1749 }
1750 }
1751
1752
hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, struct dfs_event *radar)1753 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1754 struct dfs_event *radar)
1755 {
1756 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1757 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1758 radar->chan_offset, radar->chan_width,
1759 radar->cf1, radar->cf2);
1760 }
1761
1762
hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd, struct dfs_event *radar)1763 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1764 struct dfs_event *radar)
1765 {
1766 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1767 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1768 radar->chan_offset, radar->chan_width,
1769 radar->cf1, radar->cf2);
1770 }
1771
1772
hostapd_event_dfs_cac_finished(struct hostapd_data *hapd, struct dfs_event *radar)1773 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1774 struct dfs_event *radar)
1775 {
1776 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1777 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1778 radar->chan_offset, radar->chan_width,
1779 radar->cf1, radar->cf2);
1780 }
1781
1782
hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd, struct dfs_event *radar)1783 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1784 struct dfs_event *radar)
1785 {
1786 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1787 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1788 radar->chan_offset, radar->chan_width,
1789 radar->cf1, radar->cf2);
1790 }
1791
1792
hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, struct dfs_event *radar)1793 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1794 struct dfs_event *radar)
1795 {
1796 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1797 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1798 radar->chan_offset, radar->chan_width,
1799 radar->cf1, radar->cf2);
1800 }
1801
1802
hostapd_event_dfs_cac_started(struct hostapd_data *hapd, struct dfs_event *radar)1803 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1804 struct dfs_event *radar)
1805 {
1806 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1807 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1808 radar->chan_offset, radar->chan_width,
1809 radar->cf1, radar->cf2);
1810 }
1811
1812 #endif /* NEED_AP_MLME */
1813
1814
hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd, int istatus, const char *ifname, const u8 *addr)1815 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1816 int istatus,
1817 const char *ifname,
1818 const u8 *addr)
1819 {
1820 struct sta_info *sta = ap_get_sta(hapd, addr);
1821
1822 if (sta) {
1823 os_free(sta->ifname_wds);
1824 if (istatus == INTERFACE_ADDED)
1825 sta->ifname_wds = os_strdup(ifname);
1826 else
1827 sta->ifname_wds = NULL;
1828 }
1829
1830 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1831 istatus == INTERFACE_ADDED ?
1832 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1833 ifname, MAC2STR(addr));
1834 }
1835
1836
1837 #ifdef CONFIG_OWE
hostapd_notif_update_dh_ie(struct hostapd_data *hapd, const u8 *peer, const u8 *ie, size_t ie_len)1838 static int hostapd_notif_update_dh_ie(struct hostapd_data *hapd,
1839 const u8 *peer, const u8 *ie,
1840 size_t ie_len)
1841 {
1842 u16 status;
1843 struct sta_info *sta;
1844 struct ieee802_11_elems elems;
1845
1846 if (!hapd || !hapd->wpa_auth) {
1847 wpa_printf(MSG_DEBUG, "OWE: Invalid hapd context");
1848 return -1;
1849 }
1850 if (!peer) {
1851 wpa_printf(MSG_DEBUG, "OWE: Peer unknown");
1852 return -1;
1853 }
1854 if (!(hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE)) {
1855 wpa_printf(MSG_DEBUG, "OWE: No OWE AKM configured");
1856 status = WLAN_STATUS_AKMP_NOT_VALID;
1857 goto err;
1858 }
1859 if (ieee802_11_parse_elems(ie, ie_len, &elems, 1) == ParseFailed) {
1860 wpa_printf(MSG_DEBUG, "OWE: Failed to parse OWE IE for "
1861 MACSTR_SEC, MAC2STR_SEC(peer));
1862 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1863 goto err;
1864 }
1865 status = owe_validate_request(hapd, peer, elems.rsn_ie,
1866 elems.rsn_ie_len,
1867 elems.owe_dh, elems.owe_dh_len);
1868 if (status != WLAN_STATUS_SUCCESS)
1869 goto err;
1870
1871 sta = ap_get_sta(hapd, peer);
1872 if (sta) {
1873 ap_sta_no_session_timeout(hapd, sta);
1874 accounting_sta_stop(hapd, sta);
1875
1876 /*
1877 * Make sure that the previously registered inactivity timer
1878 * will not remove the STA immediately.
1879 */
1880 sta->timeout_next = STA_NULLFUNC;
1881 } else {
1882 sta = ap_sta_add(hapd, peer);
1883 if (!sta) {
1884 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1885 goto err;
1886 }
1887 }
1888 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
1889
1890 status = owe_process_rsn_ie(hapd, sta, elems.rsn_ie,
1891 elems.rsn_ie_len, elems.owe_dh,
1892 elems.owe_dh_len);
1893 if (status != WLAN_STATUS_SUCCESS)
1894 ap_free_sta(hapd, sta);
1895
1896 return 0;
1897 err:
1898 hostapd_drv_update_dh_ie(hapd, peer, status, NULL, 0);
1899 return 0;
1900 }
1901 #endif /* CONFIG_OWE */
1902
1903
wpa_supplicant_event_hapd(void *ctx, enum wpa_event_type event, union wpa_event_data *data)1904 void wpa_supplicant_event_hapd(void *ctx, enum wpa_event_type event,
1905 union wpa_event_data *data)
1906 {
1907 struct hostapd_data *hapd = ctx;
1908 #ifndef CONFIG_NO_STDOUT_DEBUG
1909 int level = MSG_DEBUG;
1910
1911 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1912 data->rx_mgmt.frame_len >= 24) {
1913 const struct ieee80211_hdr *hdr;
1914 u16 fc;
1915
1916 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1917 fc = le_to_host16(hdr->frame_control);
1918 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1919 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1920 level = MSG_EXCESSIVE;
1921 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1922 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1923 level = MSG_EXCESSIVE;
1924 }
1925
1926 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1927 event_to_string(event), event);
1928 #endif /* CONFIG_NO_STDOUT_DEBUG */
1929
1930 switch (event) {
1931 case EVENT_MICHAEL_MIC_FAILURE:
1932 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1933 break;
1934 case EVENT_SCAN_RESULTS:
1935 if (hapd->iface->scan_cb)
1936 hapd->iface->scan_cb(hapd->iface);
1937 break;
1938 case EVENT_WPS_BUTTON_PUSHED:
1939 hostapd_wps_button_pushed(hapd, NULL);
1940 break;
1941 #ifdef NEED_AP_MLME
1942 case EVENT_TX_STATUS:
1943 switch (data->tx_status.type) {
1944 case WLAN_FC_TYPE_MGMT:
1945 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1946 data->tx_status.data_len,
1947 data->tx_status.stype,
1948 data->tx_status.ack);
1949 break;
1950 case WLAN_FC_TYPE_DATA:
1951 hostapd_tx_status(hapd, data->tx_status.dst,
1952 data->tx_status.data,
1953 data->tx_status.data_len,
1954 data->tx_status.ack);
1955 break;
1956 }
1957 break;
1958 case EVENT_EAPOL_TX_STATUS:
1959 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1960 data->eapol_tx_status.data,
1961 data->eapol_tx_status.data_len,
1962 data->eapol_tx_status.ack);
1963 break;
1964 case EVENT_DRIVER_CLIENT_POLL_OK:
1965 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1966 break;
1967 case EVENT_RX_FROM_UNKNOWN:
1968 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1969 data->rx_from_unknown.addr,
1970 data->rx_from_unknown.wds);
1971 break;
1972 #endif /* NEED_AP_MLME */
1973 case EVENT_RX_MGMT:
1974 if (!data->rx_mgmt.frame)
1975 break;
1976 #ifdef NEED_AP_MLME
1977 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
1978 #else /* NEED_AP_MLME */
1979 hostapd_action_rx(hapd, &data->rx_mgmt);
1980 #endif /* NEED_AP_MLME */
1981 break;
1982 case EVENT_RX_PROBE_REQ:
1983 if (data->rx_probe_req.sa == NULL ||
1984 data->rx_probe_req.ie == NULL)
1985 break;
1986 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1987 data->rx_probe_req.da,
1988 data->rx_probe_req.bssid,
1989 data->rx_probe_req.ie,
1990 data->rx_probe_req.ie_len,
1991 data->rx_probe_req.ssi_signal);
1992 break;
1993 case EVENT_NEW_STA:
1994 hostapd_event_new_sta(hapd, data->new_sta.addr);
1995 break;
1996 case EVENT_EAPOL_RX:
1997 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1998 data->eapol_rx.data,
1999 data->eapol_rx.data_len);
2000 break;
2001 case EVENT_ASSOC:
2002 if (!data)
2003 return;
2004 hostapd_notif_assoc(hapd, data->assoc_info.addr,
2005 data->assoc_info.req_ies,
2006 data->assoc_info.req_ies_len,
2007 data->assoc_info.reassoc);
2008 break;
2009 #ifdef CONFIG_OWE
2010 case EVENT_UPDATE_DH:
2011 if (!data)
2012 return;
2013 hostapd_notif_update_dh_ie(hapd, data->update_dh.peer,
2014 data->update_dh.ie,
2015 data->update_dh.ie_len);
2016 break;
2017 #endif /* CONFIG_OWE */
2018 case EVENT_DISASSOC:
2019 if (data)
2020 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
2021 break;
2022 case EVENT_DEAUTH:
2023 if (data)
2024 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
2025 break;
2026 case EVENT_STATION_LOW_ACK:
2027 if (!data)
2028 break;
2029 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
2030 break;
2031 case EVENT_AUTH:
2032 hostapd_notif_auth(hapd, &data->auth);
2033 break;
2034 case EVENT_CH_SWITCH_STARTED:
2035 case EVENT_CH_SWITCH:
2036 if (!data)
2037 break;
2038 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
2039 data->ch_switch.ht_enabled,
2040 data->ch_switch.ch_offset,
2041 data->ch_switch.ch_width,
2042 data->ch_switch.cf1,
2043 data->ch_switch.cf2,
2044 event == EVENT_CH_SWITCH);
2045 break;
2046 case EVENT_CONNECT_FAILED_REASON:
2047 if (!data)
2048 break;
2049 hostapd_event_connect_failed_reason(
2050 hapd, data->connect_failed_reason.addr,
2051 data->connect_failed_reason.code);
2052 break;
2053 case EVENT_SURVEY:
2054 hostapd_event_get_survey(hapd->iface, &data->survey_results);
2055 break;
2056 #ifdef NEED_AP_MLME
2057 case EVENT_INTERFACE_UNAVAILABLE:
2058 hostapd_event_iface_unavailable(hapd);
2059 break;
2060 case EVENT_DFS_RADAR_DETECTED:
2061 if (!data)
2062 break;
2063 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
2064 break;
2065 case EVENT_DFS_PRE_CAC_EXPIRED:
2066 if (!data)
2067 break;
2068 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
2069 break;
2070 case EVENT_DFS_CAC_FINISHED:
2071 if (!data)
2072 break;
2073 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
2074 break;
2075 case EVENT_DFS_CAC_ABORTED:
2076 if (!data)
2077 break;
2078 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
2079 break;
2080 case EVENT_DFS_NOP_FINISHED:
2081 if (!data)
2082 break;
2083 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
2084 break;
2085 case EVENT_CHANNEL_LIST_CHANGED:
2086 /* channel list changed (regulatory?), update channel list */
2087 /* TODO: check this. hostapd_get_hw_features() initializes
2088 * too much stuff. */
2089 /* hostapd_get_hw_features(hapd->iface); */
2090 hostapd_channel_list_updated(
2091 hapd->iface, data->channel_list_changed.initiator);
2092 break;
2093 case EVENT_DFS_CAC_STARTED:
2094 if (!data)
2095 break;
2096 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
2097 break;
2098 #endif /* NEED_AP_MLME */
2099 case EVENT_INTERFACE_ENABLED:
2100 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
2101 if (hapd->disabled && hapd->started) {
2102 hapd->disabled = 0;
2103 /*
2104 * Try to re-enable interface if the driver stopped it
2105 * when the interface got disabled.
2106 */
2107 if (hapd->wpa_auth)
2108 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
2109 else
2110 hostapd_reconfig_encryption(hapd);
2111 hapd->reenable_beacon = 1;
2112 ieee802_11_set_beacon(hapd);
2113 #ifdef NEED_AP_MLME
2114 } else if (hapd->disabled && hapd->iface->cac_started) {
2115 wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
2116 hostapd_handle_dfs(hapd->iface);
2117 #endif /* NEED_AP_MLME */
2118 }
2119 break;
2120 case EVENT_INTERFACE_DISABLED:
2121 hostapd_free_stas(hapd);
2122 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
2123 hapd->disabled = 1;
2124 break;
2125 #ifdef CONFIG_ACS
2126 case EVENT_ACS_CHANNEL_SELECTED:
2127 hostapd_acs_channel_selected(hapd,
2128 &data->acs_selected_channels);
2129 break;
2130 #endif /* CONFIG_ACS */
2131 case EVENT_STATION_OPMODE_CHANGED:
2132 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
2133 data->sta_opmode.smps_mode,
2134 data->sta_opmode.chan_width,
2135 data->sta_opmode.rx_nss);
2136 break;
2137 case EVENT_WDS_STA_INTERFACE_STATUS:
2138 hostapd_event_wds_sta_interface_status(
2139 hapd, data->wds_sta_interface.istatus,
2140 data->wds_sta_interface.ifname,
2141 data->wds_sta_interface.sta_addr);
2142 break;
2143 default:
2144 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
2145 break;
2146 }
2147 }
2148
2149
wpa_supplicant_event_global_hapd(void *ctx, enum wpa_event_type event, union wpa_event_data *data)2150 void wpa_supplicant_event_global_hapd(void *ctx, enum wpa_event_type event,
2151 union wpa_event_data *data)
2152 {
2153 struct hapd_interfaces *interfaces = ctx;
2154 struct hostapd_data *hapd;
2155
2156 if (event != EVENT_INTERFACE_STATUS)
2157 return;
2158
2159 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
2160 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
2161 hapd->drv_priv) {
2162 unsigned int ifindex;
2163
2164 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
2165 if (ifindex != data->interface_status.ifindex) {
2166 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
2167 "interface status ifindex %d mismatch (%d)",
2168 ifindex, data->interface_status.ifindex);
2169 return;
2170 }
2171 }
2172 if (hapd)
2173 wpa_supplicant_event_hapd(hapd, event, data);
2174 }
2175
2176 #endif /* HOSTAPD */
2177