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 "crypto/random.h"
20 #include "p2p/p2p.h"
21 #include "wps/wps.h"
22 #include "fst/fst.h"
23 #include "wnm_ap.h"
24 #include "hostapd.h"
25 #include "ieee802_11.h"
26 #include "ieee802_11_auth.h"
27 #include "sta_info.h"
28 #include "accounting.h"
29 #include "tkip_countermeasures.h"
30 #include "ieee802_1x.h"
31 #include "wpa_auth.h"
32 #include "wps_hostapd.h"
33 #include "ap_drv_ops.h"
34 #include "ap_config.h"
35 #include "ap_mlme.h"
36 #include "hw_features.h"
37 #include "dfs.h"
38 #include "beacon.h"
39 #include "mbo_ap.h"
40 #include "dpp_hostapd.h"
41 #include "fils_hlp.h"
42 #include "neighbor_db.h"
43
44
45 #ifdef CONFIG_FILS
hostapd_notify_assoc_fils_finish(struct hostapd_data * hapd,struct sta_info * sta)46 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
47 struct sta_info *sta)
48 {
49 u16 reply_res = WLAN_STATUS_SUCCESS;
50 struct ieee802_11_elems elems;
51 u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
52 int new_assoc;
53
54 wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
55 __func__, MAC2STR(sta->addr));
56 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
57 if (!sta->fils_pending_assoc_req)
58 return;
59
60 ieee802_11_parse_elems(sta->fils_pending_assoc_req,
61 sta->fils_pending_assoc_req_len, &elems, 0);
62 if (!elems.fils_session) {
63 wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
64 __func__);
65 return;
66 }
67
68 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
69 elems.fils_session,
70 sta->fils_hlp_resp);
71
72 reply_res = hostapd_sta_assoc(hapd, sta->addr,
73 sta->fils_pending_assoc_is_reassoc,
74 WLAN_STATUS_SUCCESS,
75 buf, p - buf);
76 ap_sta_set_authorized(hapd, sta, 1);
77 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
78 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
79 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
80 hostapd_set_sta_flags(hapd, sta);
81 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
82 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
83 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
84 os_free(sta->fils_pending_assoc_req);
85 sta->fils_pending_assoc_req = NULL;
86 sta->fils_pending_assoc_req_len = 0;
87 wpabuf_free(sta->fils_hlp_resp);
88 sta->fils_hlp_resp = NULL;
89 wpabuf_free(sta->hlp_dhcp_discover);
90 sta->hlp_dhcp_discover = NULL;
91 fils_hlp_deinit(hapd);
92
93 /*
94 * Remove the station in case transmission of a success response fails
95 * (the STA was added associated to the driver) or if the station was
96 * previously added unassociated.
97 */
98 if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
99 hostapd_drv_sta_remove(hapd, sta->addr);
100 sta->added_unassoc = 0;
101 }
102 }
103 #endif /* CONFIG_FILS */
104
105
hostapd_notif_assoc(struct hostapd_data * hapd,const u8 * addr,const u8 * req_ies,size_t req_ies_len,int reassoc)106 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
107 const u8 *req_ies, size_t req_ies_len, int reassoc)
108 {
109 struct sta_info *sta;
110 int new_assoc, res;
111 struct ieee802_11_elems elems;
112 const u8 *ie;
113 size_t ielen;
114 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
115 u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
116 u8 *p = buf;
117 #endif /* CONFIG_IEEE80211R_AP || CONFIG_IEEE80211W || CONFIG_FILS || CONFIG_OWE */
118 u16 reason = WLAN_REASON_UNSPECIFIED;
119 u16 status = WLAN_STATUS_SUCCESS;
120 const u8 *p2p_dev_addr = NULL;
121
122 if (addr == NULL) {
123 /*
124 * This could potentially happen with unexpected event from the
125 * driver wrapper. This was seen at least in one case where the
126 * driver ended up being set to station mode while hostapd was
127 * running, so better make sure we stop processing such an
128 * event here.
129 */
130 wpa_printf(MSG_DEBUG,
131 "hostapd_notif_assoc: Skip event with no address");
132 return -1;
133 }
134
135 if (is_multicast_ether_addr(addr) ||
136 is_zero_ether_addr(addr) ||
137 os_memcmp(addr, hapd->own_addr, ETH_ALEN) == 0) {
138 /* Do not process any frames with unexpected/invalid SA so that
139 * we do not add any state for unexpected STA addresses or end
140 * up sending out frames to unexpected destination. */
141 wpa_printf(MSG_DEBUG, "%s: Invalid SA=" MACSTR
142 " in received indication - ignore this indication silently",
143 __func__, MAC2STR(addr));
144 return 0;
145 }
146
147 random_add_randomness(addr, ETH_ALEN);
148
149 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
150 HOSTAPD_LEVEL_INFO, "associated");
151
152 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
153 if (elems.wps_ie) {
154 ie = elems.wps_ie - 2;
155 ielen = elems.wps_ie_len + 2;
156 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
157 } else if (elems.rsn_ie) {
158 ie = elems.rsn_ie - 2;
159 ielen = elems.rsn_ie_len + 2;
160 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
161 } else if (elems.wpa_ie) {
162 ie = elems.wpa_ie - 2;
163 ielen = elems.wpa_ie_len + 2;
164 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
165 #ifdef CONFIG_HS20
166 } else if (elems.osen) {
167 ie = elems.osen - 2;
168 ielen = elems.osen_len + 2;
169 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
170 #endif /* CONFIG_HS20 */
171 } else {
172 ie = NULL;
173 ielen = 0;
174 wpa_printf(MSG_DEBUG,
175 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
176 }
177
178 sta = ap_get_sta(hapd, addr);
179 if (sta) {
180 ap_sta_no_session_timeout(hapd, sta);
181 accounting_sta_stop(hapd, sta);
182
183 /*
184 * Make sure that the previously registered inactivity timer
185 * will not remove the STA immediately.
186 */
187 sta->timeout_next = STA_NULLFUNC;
188 } else {
189 sta = ap_sta_add(hapd, addr);
190 if (sta == NULL) {
191 hostapd_drv_sta_disassoc(hapd, addr,
192 WLAN_REASON_DISASSOC_AP_BUSY);
193 return -1;
194 }
195 }
196 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
197
198 /*
199 * ACL configurations to the drivers (implementing AP SME and ACL
200 * offload) without hostapd's knowledge, can result in a disconnection
201 * though the driver accepts the connection. Skip the hostapd check for
202 * ACL if the driver supports ACL offload to avoid potentially
203 * conflicting ACL rules.
204 */
205 if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
206 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
207 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
208 MAC2STR(addr));
209 reason = WLAN_REASON_UNSPECIFIED;
210 goto fail;
211 }
212
213 #ifdef CONFIG_P2P
214 if (elems.p2p) {
215 wpabuf_free(sta->p2p_ie);
216 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
217 P2P_IE_VENDOR_TYPE);
218 if (sta->p2p_ie)
219 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
220 }
221 #endif /* CONFIG_P2P */
222
223 #ifdef CONFIG_IEEE80211N
224 #ifdef NEED_AP_MLME
225 if (elems.ht_capabilities &&
226 (hapd->iface->conf->ht_capab &
227 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
228 struct ieee80211_ht_capabilities *ht_cap =
229 (struct ieee80211_ht_capabilities *)
230 elems.ht_capabilities;
231
232 if (le_to_host16(ht_cap->ht_capabilities_info) &
233 HT_CAP_INFO_40MHZ_INTOLERANT)
234 ht40_intolerant_add(hapd->iface, sta);
235 }
236 #endif /* NEED_AP_MLME */
237 #endif /* CONFIG_IEEE80211N */
238
239 #ifdef CONFIG_INTERWORKING
240 if (elems.ext_capab && elems.ext_capab_len > 4) {
241 if (elems.ext_capab[4] & 0x01)
242 sta->qos_map_enabled = 1;
243 }
244 #endif /* CONFIG_INTERWORKING */
245
246 #ifdef CONFIG_HS20
247 wpabuf_free(sta->hs20_ie);
248 if (elems.hs20 && elems.hs20_len > 4) {
249 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
250 elems.hs20_len - 4);
251 } else
252 sta->hs20_ie = NULL;
253
254 wpabuf_free(sta->roaming_consortium);
255 if (elems.roaming_cons_sel)
256 sta->roaming_consortium = wpabuf_alloc_copy(
257 elems.roaming_cons_sel + 4,
258 elems.roaming_cons_sel_len - 4);
259 else
260 sta->roaming_consortium = NULL;
261 #endif /* CONFIG_HS20 */
262
263 #ifdef CONFIG_FST
264 wpabuf_free(sta->mb_ies);
265 if (hapd->iface->fst)
266 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
267 else
268 sta->mb_ies = NULL;
269 #endif /* CONFIG_FST */
270
271 mbo_ap_check_sta_assoc(hapd, sta, &elems);
272
273 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
274 elems.supp_op_classes_len);
275
276 if (hapd->conf->wpa) {
277 if (ie == NULL || ielen == 0) {
278 #ifdef CONFIG_WPS
279 if (hapd->conf->wps_state) {
280 wpa_printf(MSG_DEBUG,
281 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
282 sta->flags |= WLAN_STA_MAYBE_WPS;
283 goto skip_wpa_check;
284 }
285 #endif /* CONFIG_WPS */
286
287 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
288 reason = WLAN_REASON_INVALID_IE;
289 status = WLAN_STATUS_INVALID_IE;
290 goto fail;
291 }
292 #ifdef CONFIG_WPS
293 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
294 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
295 struct wpabuf *wps;
296
297 sta->flags |= WLAN_STA_WPS;
298 wps = ieee802_11_vendor_ie_concat(ie, ielen,
299 WPS_IE_VENDOR_TYPE);
300 if (wps) {
301 if (wps_is_20(wps)) {
302 wpa_printf(MSG_DEBUG,
303 "WPS: STA supports WPS 2.0");
304 sta->flags |= WLAN_STA_WPS2;
305 }
306 wpabuf_free(wps);
307 }
308 goto skip_wpa_check;
309 }
310 #endif /* CONFIG_WPS */
311
312 if (sta->wpa_sm == NULL)
313 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
314 sta->addr,
315 p2p_dev_addr);
316 if (sta->wpa_sm == NULL) {
317 wpa_printf(MSG_ERROR,
318 "Failed to initialize WPA state machine");
319 return -1;
320 }
321 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
322 hapd->iface->freq,
323 ie, ielen,
324 elems.mdie, elems.mdie_len,
325 elems.owe_dh, elems.owe_dh_len);
326 if (res != WPA_IE_OK) {
327 wpa_printf(MSG_DEBUG,
328 "WPA/RSN information element rejected? (res %u)",
329 res);
330 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
331 if (res == WPA_INVALID_GROUP) {
332 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
333 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
334 } else if (res == WPA_INVALID_PAIRWISE) {
335 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
336 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
337 } else if (res == WPA_INVALID_AKMP) {
338 reason = WLAN_REASON_AKMP_NOT_VALID;
339 status = WLAN_STATUS_AKMP_NOT_VALID;
340 }
341 #ifdef CONFIG_IEEE80211W
342 else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
343 reason = WLAN_REASON_INVALID_IE;
344 status = WLAN_STATUS_INVALID_IE;
345 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
346 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
347 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
348 }
349 #endif /* CONFIG_IEEE80211W */
350 else {
351 reason = WLAN_REASON_INVALID_IE;
352 status = WLAN_STATUS_INVALID_IE;
353 }
354 goto fail;
355 }
356 #ifdef CONFIG_IEEE80211W
357 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
358 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
359 !sta->sa_query_timed_out &&
360 sta->sa_query_count > 0)
361 ap_check_sa_query_timeout(hapd, sta);
362 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
363 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
364 !sta->sa_query_timed_out &&
365 (sta->auth_alg != WLAN_AUTH_FT)) {
366 /*
367 * STA has already been associated with MFP and SA
368 * Query timeout has not been reached. Reject the
369 * association attempt temporarily and start SA Query,
370 * if one is not pending.
371 */
372
373 if (sta->sa_query_count == 0)
374 ap_sta_start_sa_query(hapd, sta);
375
376 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
377
378 p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
379
380 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
381 p - buf);
382 return 0;
383 }
384
385 if (wpa_auth_uses_mfp(sta->wpa_sm))
386 sta->flags |= WLAN_STA_MFP;
387 else
388 sta->flags &= ~WLAN_STA_MFP;
389 #endif /* CONFIG_IEEE80211W */
390
391 #ifdef CONFIG_IEEE80211R_AP
392 if (sta->auth_alg == WLAN_AUTH_FT) {
393 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
394 req_ies_len);
395 if (status != WLAN_STATUS_SUCCESS) {
396 if (status == WLAN_STATUS_INVALID_PMKID)
397 reason = WLAN_REASON_INVALID_IE;
398 if (status == WLAN_STATUS_INVALID_MDIE)
399 reason = WLAN_REASON_INVALID_IE;
400 if (status == WLAN_STATUS_INVALID_FTIE)
401 reason = WLAN_REASON_INVALID_IE;
402 goto fail;
403 }
404 }
405 #endif /* CONFIG_IEEE80211R_AP */
406 } else if (hapd->conf->wps_state) {
407 #ifdef CONFIG_WPS
408 struct wpabuf *wps;
409
410 if (req_ies)
411 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
412 WPS_IE_VENDOR_TYPE);
413 else
414 wps = NULL;
415 #ifdef CONFIG_WPS_STRICT
416 if (wps && wps_validate_assoc_req(wps) < 0) {
417 reason = WLAN_REASON_INVALID_IE;
418 status = WLAN_STATUS_INVALID_IE;
419 wpabuf_free(wps);
420 goto fail;
421 }
422 #endif /* CONFIG_WPS_STRICT */
423 if (wps) {
424 sta->flags |= WLAN_STA_WPS;
425 if (wps_is_20(wps)) {
426 wpa_printf(MSG_DEBUG,
427 "WPS: STA supports WPS 2.0");
428 sta->flags |= WLAN_STA_WPS2;
429 }
430 } else
431 sta->flags |= WLAN_STA_MAYBE_WPS;
432 wpabuf_free(wps);
433 #endif /* CONFIG_WPS */
434 #ifdef CONFIG_HS20
435 } else if (hapd->conf->osen) {
436 if (elems.osen == NULL) {
437 hostapd_logger(
438 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
439 HOSTAPD_LEVEL_INFO,
440 "No HS 2.0 OSEN element in association request");
441 return WLAN_STATUS_INVALID_IE;
442 }
443
444 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
445 if (sta->wpa_sm == NULL)
446 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
447 sta->addr, NULL);
448 if (sta->wpa_sm == NULL) {
449 wpa_printf(MSG_WARNING,
450 "Failed to initialize WPA state machine");
451 return WLAN_STATUS_UNSPECIFIED_FAILURE;
452 }
453 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
454 elems.osen - 2, elems.osen_len + 2) < 0)
455 return WLAN_STATUS_INVALID_IE;
456 #endif /* CONFIG_HS20 */
457 }
458
459 #ifdef CONFIG_MBO
460 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
461 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
462 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
463 wpa_printf(MSG_INFO,
464 "MBO: Reject WPA2 association without PMF");
465 return WLAN_STATUS_UNSPECIFIED_FAILURE;
466 }
467 #endif /* CONFIG_MBO */
468
469 #ifdef CONFIG_WPS
470 skip_wpa_check:
471 #endif /* CONFIG_WPS */
472
473 #ifdef CONFIG_IEEE80211R_AP
474 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
475 sta->auth_alg, req_ies, req_ies_len);
476 if (!p) {
477 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
478 return WLAN_STATUS_UNSPECIFIED_FAILURE;
479 }
480 #endif /* CONFIG_IEEE80211R_AP */
481
482 #ifdef CONFIG_FILS
483 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
484 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
485 sta->auth_alg == WLAN_AUTH_FILS_PK) {
486 int delay_assoc = 0;
487
488 if (!req_ies)
489 return WLAN_STATUS_UNSPECIFIED_FAILURE;
490
491 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
492 req_ies_len,
493 sta->fils_session)) {
494 wpa_printf(MSG_DEBUG,
495 "FILS: Session validation failed");
496 return WLAN_STATUS_UNSPECIFIED_FAILURE;
497 }
498
499 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
500 req_ies_len);
501 if (res < 0) {
502 wpa_printf(MSG_DEBUG,
503 "FILS: Key Confirm validation failed");
504 return WLAN_STATUS_UNSPECIFIED_FAILURE;
505 }
506
507 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
508 wpa_printf(MSG_DEBUG,
509 "FILS: Delaying Assoc Response (HLP)");
510 delay_assoc = 1;
511 } else {
512 wpa_printf(MSG_DEBUG,
513 "FILS: Going ahead with Assoc Response (no HLP)");
514 }
515
516 if (sta) {
517 wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
518 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
519 os_free(sta->fils_pending_assoc_req);
520 sta->fils_pending_assoc_req = NULL;
521 sta->fils_pending_assoc_req_len = 0;
522 wpabuf_free(sta->fils_hlp_resp);
523 sta->fils_hlp_resp = NULL;
524 sta->fils_drv_assoc_finish = 0;
525 }
526
527 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
528 u8 *req_tmp;
529
530 req_tmp = os_malloc(req_ies_len);
531 if (!req_tmp) {
532 wpa_printf(MSG_DEBUG,
533 "FILS: buffer allocation failed for assoc req");
534 goto fail;
535 }
536 os_memcpy(req_tmp, req_ies, req_ies_len);
537 sta->fils_pending_assoc_req = req_tmp;
538 sta->fils_pending_assoc_req_len = req_ies_len;
539 sta->fils_pending_assoc_is_reassoc = reassoc;
540 sta->fils_drv_assoc_finish = 1;
541 wpa_printf(MSG_DEBUG,
542 "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
543 MACSTR, MAC2STR(sta->addr));
544 eloop_register_timeout(
545 0, hapd->conf->fils_hlp_wait_time * 1024,
546 fils_hlp_timeout, hapd, sta);
547 return 0;
548 }
549 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
550 elems.fils_session,
551 sta->fils_hlp_resp);
552 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
553 buf, p - buf);
554 }
555 #endif /* CONFIG_FILS */
556
557 #ifdef CONFIG_OWE
558 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
559 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
560 elems.owe_dh) {
561 u8 *npos;
562
563 npos = owe_assoc_req_process(hapd, sta,
564 elems.owe_dh, elems.owe_dh_len,
565 p, sizeof(buf) - (p - buf),
566 &reason);
567 if (npos)
568 p = npos;
569 if (!npos &&
570 reason == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
571 status = WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED;
572 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
573 p - buf);
574 return 0;
575 }
576
577 if (!npos || reason != WLAN_STATUS_SUCCESS)
578 goto fail;
579 }
580 #endif /* CONFIG_OWE */
581
582 #ifdef CONFIG_DPP2
583 dpp_pfs_free(sta->dpp_pfs);
584 sta->dpp_pfs = NULL;
585
586 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) &&
587 hapd->conf->dpp_netaccesskey && sta->wpa_sm &&
588 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_DPP &&
589 elems.owe_dh) {
590 sta->dpp_pfs = dpp_pfs_init(
591 wpabuf_head(hapd->conf->dpp_netaccesskey),
592 wpabuf_len(hapd->conf->dpp_netaccesskey));
593 if (!sta->dpp_pfs) {
594 wpa_printf(MSG_DEBUG,
595 "DPP: Could not initialize PFS");
596 /* Try to continue without PFS */
597 goto pfs_fail;
598 }
599
600 if (dpp_pfs_process(sta->dpp_pfs, elems.owe_dh,
601 elems.owe_dh_len) < 0) {
602 dpp_pfs_free(sta->dpp_pfs);
603 sta->dpp_pfs = NULL;
604 reason = WLAN_REASON_UNSPECIFIED;
605 goto fail;
606 }
607 }
608
609 wpa_auth_set_dpp_z(sta->wpa_sm, sta->dpp_pfs ?
610 sta->dpp_pfs->secret : NULL);
611 pfs_fail:
612 #endif /* CONFIG_DPP2 */
613
614 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
615 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
616
617 if (sta->auth_alg == WLAN_AUTH_FT ||
618 sta->auth_alg == WLAN_AUTH_FILS_SK ||
619 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
620 sta->auth_alg == WLAN_AUTH_FILS_PK)
621 ap_sta_set_authorized(hapd, sta, 1);
622 #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
623 /* Keep compiler silent about unused variables */
624 if (status) {
625 }
626 #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
627
628 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
629 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
630 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
631
632 hostapd_set_sta_flags(hapd, sta);
633
634 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
635 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
636 #ifdef CONFIG_FILS
637 else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
638 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
639 sta->auth_alg == WLAN_AUTH_FILS_PK)
640 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
641 #endif /* CONFIG_FILS */
642 else
643 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
644
645 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
646
647 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
648
649 #ifdef CONFIG_P2P
650 if (req_ies) {
651 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
652 req_ies, req_ies_len);
653 }
654 #endif /* CONFIG_P2P */
655
656 return 0;
657
658 fail:
659 #ifdef CONFIG_IEEE80211R_AP
660 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
661 #endif /* CONFIG_IEEE80211R_AP */
662 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
663 ap_free_sta(hapd, sta);
664 return -1;
665 }
666
667
hostapd_notif_disassoc(struct hostapd_data * hapd,const u8 * addr)668 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
669 {
670 struct sta_info *sta;
671
672 if (addr == NULL) {
673 /*
674 * This could potentially happen with unexpected event from the
675 * driver wrapper. This was seen at least in one case where the
676 * driver ended up reporting a station mode event while hostapd
677 * was running, so better make sure we stop processing such an
678 * event here.
679 */
680 wpa_printf(MSG_DEBUG,
681 "hostapd_notif_disassoc: Skip event with no address");
682 return;
683 }
684
685 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
686 HOSTAPD_LEVEL_INFO, "disassociated");
687
688 sta = ap_get_sta(hapd, addr);
689 if (sta == NULL) {
690 wpa_printf(MSG_DEBUG,
691 "Disassociation notification for unknown STA "
692 MACSTR, MAC2STR(addr));
693 return;
694 }
695
696 ap_sta_set_authorized(hapd, sta, 0);
697 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
698 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
699 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
700 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
701 ap_free_sta(hapd, sta);
702 }
703
704
hostapd_event_sta_low_ack(struct hostapd_data * hapd,const u8 * addr)705 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
706 {
707 struct sta_info *sta = ap_get_sta(hapd, addr);
708
709 if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
710 return;
711
712 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
713 HOSTAPD_LEVEL_INFO,
714 "disconnected due to excessive missing ACKs");
715 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
716 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
717 }
718
719
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)720 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
721 enum smps_mode smps_mode,
722 enum chan_width chan_width, u8 rx_nss)
723 {
724 struct sta_info *sta = ap_get_sta(hapd, addr);
725 const char *txt;
726
727 if (!sta)
728 return;
729
730 switch (smps_mode) {
731 case SMPS_AUTOMATIC:
732 txt = "automatic";
733 break;
734 case SMPS_OFF:
735 txt = "off";
736 break;
737 case SMPS_DYNAMIC:
738 txt = "dynamic";
739 break;
740 case SMPS_STATIC:
741 txt = "static";
742 break;
743 default:
744 txt = NULL;
745 break;
746 }
747 if (txt) {
748 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
749 MACSTR " %s", MAC2STR(addr), txt);
750 }
751
752 switch (chan_width) {
753 case CHAN_WIDTH_20_NOHT:
754 txt = "20(no-HT)";
755 break;
756 case CHAN_WIDTH_20:
757 txt = "20";
758 break;
759 case CHAN_WIDTH_40:
760 txt = "40";
761 break;
762 case CHAN_WIDTH_80:
763 txt = "80";
764 break;
765 case CHAN_WIDTH_80P80:
766 txt = "80+80";
767 break;
768 case CHAN_WIDTH_160:
769 txt = "160";
770 break;
771 default:
772 txt = NULL;
773 break;
774 }
775 if (txt) {
776 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
777 MACSTR " %s", MAC2STR(addr), txt);
778 }
779
780 if (rx_nss != 0xff) {
781 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
782 MACSTR " %d", MAC2STR(addr), rx_nss);
783 }
784 }
785
786
hostapd_event_ch_switch(struct hostapd_data * hapd,int freq,int ht,int offset,int width,int cf1,int cf2,int finished)787 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
788 int offset, int width, int cf1, int cf2,
789 int finished)
790 {
791 /* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */
792
793 #ifdef NEED_AP_MLME
794 int channel, chwidth, is_dfs;
795 u8 seg0_idx = 0, seg1_idx = 0;
796 size_t i;
797
798 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
799 HOSTAPD_LEVEL_INFO,
800 "driver %s channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
801 finished ? "had" : "starting",
802 freq, ht, hapd->iconf->ch_switch_vht_config, offset,
803 width, channel_width_to_string(width), cf1, cf2);
804
805 if (!hapd->iface->current_mode) {
806 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
807 HOSTAPD_LEVEL_WARNING,
808 "ignore channel switch since the interface is not yet ready");
809 return;
810 }
811
812 hapd->iface->freq = freq;
813
814 channel = hostapd_hw_get_channel(hapd, freq);
815 if (!channel) {
816 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
817 HOSTAPD_LEVEL_WARNING,
818 "driver switched to bad channel!");
819 return;
820 }
821
822 switch (width) {
823 case CHAN_WIDTH_80:
824 chwidth = CHANWIDTH_80MHZ;
825 break;
826 case CHAN_WIDTH_80P80:
827 chwidth = CHANWIDTH_80P80MHZ;
828 break;
829 case CHAN_WIDTH_160:
830 chwidth = CHANWIDTH_160MHZ;
831 break;
832 case CHAN_WIDTH_20_NOHT:
833 case CHAN_WIDTH_20:
834 case CHAN_WIDTH_40:
835 default:
836 chwidth = CHANWIDTH_USE_HT;
837 break;
838 }
839
840 switch (hapd->iface->current_mode->mode) {
841 case HOSTAPD_MODE_IEEE80211A:
842 if (cf1 > 5000)
843 seg0_idx = (cf1 - 5000) / 5;
844 if (cf2 > 5000)
845 seg1_idx = (cf2 - 5000) / 5;
846 break;
847 default:
848 ieee80211_freq_to_chan(cf1, &seg0_idx);
849 ieee80211_freq_to_chan(cf2, &seg1_idx);
850 break;
851 }
852
853 hapd->iconf->channel = channel;
854 hapd->iconf->ieee80211n = ht;
855 if (!ht) {
856 hapd->iconf->ieee80211ac = 0;
857 } else if (hapd->iconf->ch_switch_vht_config) {
858 /* CHAN_SWITCH VHT config */
859 if (hapd->iconf->ch_switch_vht_config &
860 CH_SWITCH_VHT_ENABLED)
861 hapd->iconf->ieee80211ac = 1;
862 else if (hapd->iconf->ch_switch_vht_config &
863 CH_SWITCH_VHT_DISABLED)
864 hapd->iconf->ieee80211ac = 0;
865 }
866 hapd->iconf->ch_switch_vht_config = 0;
867
868 hapd->iconf->secondary_channel = offset;
869 hostapd_set_oper_chwidth(hapd->iconf, chwidth);
870 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, seg0_idx);
871 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, seg1_idx);
872
873 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
874 hapd->iface->num_hw_features);
875
876 wpa_msg(hapd->msg_ctx, MSG_INFO,
877 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d dfs=%d",
878 finished ? WPA_EVENT_CHANNEL_SWITCH :
879 WPA_EVENT_CHANNEL_SWITCH_STARTED,
880 freq, ht, offset, channel_width_to_string(width),
881 cf1, cf2, is_dfs);
882 if (!finished)
883 return;
884
885 if (hapd->csa_in_progress &&
886 freq == hapd->cs_freq_params.freq) {
887 hostapd_cleanup_cs_params(hapd);
888 ieee802_11_set_beacon(hapd);
889
890 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
891 "freq=%d dfs=%d", freq, is_dfs);
892 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
893 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
894 "freq=%d dfs=%d", freq, is_dfs);
895 }
896
897 for (i = 0; i < hapd->iface->num_bss; i++)
898 hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
899 #endif /* NEED_AP_MLME */
900 }
901
902
hostapd_event_connect_failed_reason(struct hostapd_data * hapd,const u8 * addr,int reason_code)903 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
904 const u8 *addr, int reason_code)
905 {
906 switch (reason_code) {
907 case MAX_CLIENT_REACHED:
908 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
909 MAC2STR(addr));
910 break;
911 case BLOCKED_CLIENT:
912 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
913 MAC2STR(addr));
914 break;
915 }
916 }
917
918
919 #ifdef CONFIG_ACS
hostapd_acs_channel_selected(struct hostapd_data * hapd,struct acs_selected_channels * acs_res)920 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
921 struct acs_selected_channels *acs_res)
922 {
923 int ret, i;
924 int err = 0;
925
926 if (hapd->iconf->channel) {
927 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
928 hapd->iconf->channel);
929 return;
930 }
931
932 if (!hapd->iface->current_mode) {
933 for (i = 0; i < hapd->iface->num_hw_features; i++) {
934 struct hostapd_hw_modes *mode =
935 &hapd->iface->hw_features[i];
936
937 if (mode->mode == acs_res->hw_mode) {
938 hapd->iface->current_mode = mode;
939 break;
940 }
941 }
942 if (!hapd->iface->current_mode) {
943 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
944 HOSTAPD_LEVEL_WARNING,
945 "driver selected to bad hw_mode");
946 err = 1;
947 goto out;
948 }
949 }
950
951 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
952
953 if (!acs_res->pri_channel) {
954 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
955 HOSTAPD_LEVEL_WARNING,
956 "driver switched to bad channel");
957 err = 1;
958 goto out;
959 }
960
961 hapd->iconf->channel = acs_res->pri_channel;
962 hapd->iconf->acs = 1;
963
964 if (acs_res->sec_channel == 0)
965 hapd->iconf->secondary_channel = 0;
966 else if (acs_res->sec_channel < acs_res->pri_channel)
967 hapd->iconf->secondary_channel = -1;
968 else if (acs_res->sec_channel > acs_res->pri_channel)
969 hapd->iconf->secondary_channel = 1;
970 else {
971 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
972 err = 1;
973 goto out;
974 }
975
976 if (hapd->iface->conf->ieee80211ac || hapd->iface->conf->ieee80211ax) {
977 /* set defaults for backwards compatibility */
978 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, 0);
979 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, 0);
980 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_USE_HT);
981 if (acs_res->ch_width == 80) {
982 hostapd_set_oper_centr_freq_seg0_idx(
983 hapd->iconf, acs_res->vht_seg0_center_ch);
984 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_80MHZ);
985 } else if (acs_res->ch_width == 160) {
986 if (acs_res->vht_seg1_center_ch == 0) {
987 hostapd_set_oper_centr_freq_seg0_idx(
988 hapd->iconf,
989 acs_res->vht_seg0_center_ch);
990 hostapd_set_oper_chwidth(hapd->iconf,
991 CHANWIDTH_160MHZ);
992 } else {
993 hostapd_set_oper_centr_freq_seg0_idx(
994 hapd->iconf,
995 acs_res->vht_seg0_center_ch);
996 hostapd_set_oper_centr_freq_seg1_idx(
997 hapd->iconf,
998 acs_res->vht_seg1_center_ch);
999 hostapd_set_oper_chwidth(hapd->iconf,
1000 CHANWIDTH_80P80MHZ);
1001 }
1002 }
1003 }
1004
1005 out:
1006 ret = hostapd_acs_completed(hapd->iface, err);
1007 if (ret) {
1008 wpa_printf(MSG_ERROR,
1009 "ACS: Possibly channel configuration is invalid");
1010 }
1011 }
1012 #endif /* CONFIG_ACS */
1013
1014
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)1015 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
1016 const u8 *bssid, const u8 *ie, size_t ie_len,
1017 int ssi_signal)
1018 {
1019 size_t i;
1020 int ret = 0;
1021
1022 if (sa == NULL || ie == NULL)
1023 return -1;
1024
1025 random_add_randomness(sa, ETH_ALEN);
1026 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
1027 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
1028 sa, da, bssid, ie, ie_len,
1029 ssi_signal) > 0) {
1030 ret = 1;
1031 break;
1032 }
1033 }
1034 return ret;
1035 }
1036
1037
1038 #ifdef HOSTAPD
1039
1040 #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)1041 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
1042 const u8 *bssid,
1043 u16 auth_transaction, u16 status,
1044 const u8 *ies, size_t ies_len)
1045 {
1046 struct hostapd_data *hapd = ctx;
1047 struct sta_info *sta;
1048
1049 sta = ap_get_sta(hapd, dst);
1050 if (sta == NULL)
1051 return;
1052
1053 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
1054 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
1055 sta->flags |= WLAN_STA_AUTH;
1056
1057 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
1058 }
1059 #endif /* CONFIG_IEEE80211R_AP */
1060
1061
1062 #ifdef CONFIG_FILS
hostapd_notify_auth_fils_finish(struct hostapd_data * hapd,struct sta_info * sta,u16 resp,struct wpabuf * data,int pub)1063 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
1064 struct sta_info *sta, u16 resp,
1065 struct wpabuf *data, int pub)
1066 {
1067 if (resp == WLAN_STATUS_SUCCESS) {
1068 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1069 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
1070 sta->flags |= WLAN_STA_AUTH;
1071 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
1072 sta->auth_alg = WLAN_AUTH_FILS_SK;
1073 mlme_authenticate_indication(hapd, sta);
1074 } else {
1075 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1076 HOSTAPD_LEVEL_DEBUG,
1077 "authentication failed (FILS)");
1078 }
1079
1080 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1081 data ? wpabuf_head(data) : NULL,
1082 data ? wpabuf_len(data) : 0);
1083 wpabuf_free(data);
1084 }
1085 #endif /* CONFIG_FILS */
1086
1087
hostapd_notif_auth(struct hostapd_data * hapd,struct auth_info * rx_auth)1088 static void hostapd_notif_auth(struct hostapd_data *hapd,
1089 struct auth_info *rx_auth)
1090 {
1091 struct sta_info *sta;
1092 u16 status = WLAN_STATUS_SUCCESS;
1093 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1094 size_t resp_ies_len = 0;
1095
1096 sta = ap_get_sta(hapd, rx_auth->peer);
1097 if (!sta) {
1098 sta = ap_sta_add(hapd, rx_auth->peer);
1099 if (sta == NULL) {
1100 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1101 goto fail;
1102 }
1103 }
1104 sta->flags &= ~WLAN_STA_PREAUTH;
1105 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1106 #ifdef CONFIG_IEEE80211R_AP
1107 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1108 sta->auth_alg = WLAN_AUTH_FT;
1109 if (sta->wpa_sm == NULL)
1110 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1111 sta->addr, NULL);
1112 if (sta->wpa_sm == NULL) {
1113 wpa_printf(MSG_DEBUG,
1114 "FT: Failed to initialize WPA state machine");
1115 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1116 goto fail;
1117 }
1118 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1119 rx_auth->auth_transaction, rx_auth->ies,
1120 rx_auth->ies_len,
1121 hostapd_notify_auth_ft_finish, hapd);
1122 return;
1123 }
1124 #endif /* CONFIG_IEEE80211R_AP */
1125
1126 #ifdef CONFIG_FILS
1127 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1128 sta->auth_alg = WLAN_AUTH_FILS_SK;
1129 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1130 rx_auth->auth_type, rx_auth->auth_transaction,
1131 rx_auth->status_code,
1132 hostapd_notify_auth_fils_finish);
1133 return;
1134 }
1135 #endif /* CONFIG_FILS */
1136
1137 fail:
1138 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1139 status, resp_ies, resp_ies_len);
1140 }
1141
1142
1143 #ifndef NEED_AP_MLME
hostapd_action_rx(struct hostapd_data * hapd,struct rx_mgmt * drv_mgmt)1144 static void hostapd_action_rx(struct hostapd_data *hapd,
1145 struct rx_mgmt *drv_mgmt)
1146 {
1147 struct ieee80211_mgmt *mgmt;
1148 struct sta_info *sta;
1149 size_t plen __maybe_unused;
1150 u16 fc;
1151 u8 *action __maybe_unused;
1152
1153 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1154 return;
1155
1156 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
1157
1158 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1159 fc = le_to_host16(mgmt->frame_control);
1160 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1161 return; /* handled by the driver */
1162
1163 action = (u8 *) &mgmt->u.action.u;
1164 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1165 " da " MACSTR " plen %d",
1166 mgmt->u.action.category, *action,
1167 MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
1168
1169 sta = ap_get_sta(hapd, mgmt->sa);
1170 if (sta == NULL) {
1171 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1172 return;
1173 }
1174 #ifdef CONFIG_IEEE80211R_AP
1175 if (mgmt->u.action.category == WLAN_ACTION_FT) {
1176 wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
1177 return;
1178 }
1179 #endif /* CONFIG_IEEE80211R_AP */
1180 #ifdef CONFIG_IEEE80211W
1181 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
1182 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
1183 return;
1184 }
1185 #endif /* CONFIG_IEEE80211W */
1186 #ifdef CONFIG_WNM_AP
1187 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1188 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1189 return;
1190 }
1191 #endif /* CONFIG_WNM_AP */
1192 #ifdef CONFIG_FST
1193 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1194 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1195 return;
1196 }
1197 #endif /* CONFIG_FST */
1198 #ifdef CONFIG_DPP
1199 if (plen >= 2 + 4 &&
1200 mgmt->u.action.u.vs_public_action.action ==
1201 WLAN_PA_VENDOR_SPECIFIC &&
1202 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1203 OUI_WFA &&
1204 mgmt->u.action.u.vs_public_action.variable[0] ==
1205 DPP_OUI_TYPE) {
1206 const u8 *pos, *end;
1207
1208 pos = mgmt->u.action.u.vs_public_action.oui;
1209 end = drv_mgmt->frame + drv_mgmt->frame_len;
1210 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1211 drv_mgmt->freq);
1212 return;
1213 }
1214 #endif /* CONFIG_DPP */
1215 }
1216 #endif /* NEED_AP_MLME */
1217
1218
1219 #ifdef NEED_AP_MLME
1220
1221 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1222
get_hapd_bssid(struct hostapd_iface * iface,const u8 * bssid)1223 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1224 const u8 *bssid)
1225 {
1226 size_t i;
1227
1228 if (bssid == NULL)
1229 return NULL;
1230 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1231 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1232 return HAPD_BROADCAST;
1233
1234 for (i = 0; i < iface->num_bss; i++) {
1235 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1236 return iface->bss[i];
1237 }
1238
1239 return NULL;
1240 }
1241
1242
hostapd_rx_from_unknown_sta(struct hostapd_data * hapd,const u8 * bssid,const u8 * addr,int wds)1243 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1244 const u8 *bssid, const u8 *addr,
1245 int wds)
1246 {
1247 hapd = get_hapd_bssid(hapd->iface, bssid);
1248 if (hapd == NULL || hapd == HAPD_BROADCAST)
1249 return;
1250
1251 ieee802_11_rx_from_unknown(hapd, addr, wds);
1252 }
1253
1254
hostapd_mgmt_rx(struct hostapd_data * hapd,struct rx_mgmt * rx_mgmt)1255 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1256 {
1257 struct hostapd_iface *iface = hapd->iface;
1258 const struct ieee80211_hdr *hdr;
1259 const u8 *bssid;
1260 struct hostapd_frame_info fi;
1261 int ret;
1262
1263 #ifdef CONFIG_TESTING_OPTIONS
1264 if (hapd->ext_mgmt_frame_handling) {
1265 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1266 char *hex = os_malloc(hex_len);
1267
1268 if (hex) {
1269 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1270 rx_mgmt->frame_len);
1271 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1272 os_free(hex);
1273 }
1274 return 1;
1275 }
1276 #endif /* CONFIG_TESTING_OPTIONS */
1277
1278 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1279 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1280 if (bssid == NULL)
1281 return 0;
1282
1283 hapd = get_hapd_bssid(iface, bssid);
1284 if (hapd == NULL) {
1285 u16 fc = le_to_host16(hdr->frame_control);
1286
1287 /*
1288 * Drop frames to unknown BSSIDs except for Beacon frames which
1289 * could be used to update neighbor information.
1290 */
1291 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1292 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1293 hapd = iface->bss[0];
1294 else
1295 return 0;
1296 }
1297
1298 os_memset(&fi, 0, sizeof(fi));
1299 fi.freq = rx_mgmt->freq;
1300 fi.datarate = rx_mgmt->datarate;
1301 fi.ssi_signal = rx_mgmt->ssi_signal;
1302
1303 if (hapd == HAPD_BROADCAST) {
1304 size_t i;
1305
1306 ret = 0;
1307 for (i = 0; i < iface->num_bss; i++) {
1308 /* if bss is set, driver will call this function for
1309 * each bss individually. */
1310 if (rx_mgmt->drv_priv &&
1311 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1312 continue;
1313
1314 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1315 rx_mgmt->frame_len, &fi) > 0)
1316 ret = 1;
1317 }
1318 } else
1319 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1320 &fi);
1321
1322 random_add_randomness(&fi, sizeof(fi));
1323
1324 return ret;
1325 }
1326
1327
hostapd_mgmt_tx_cb(struct hostapd_data * hapd,const u8 * buf,size_t len,u16 stype,int ok)1328 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1329 size_t len, u16 stype, int ok)
1330 {
1331 struct ieee80211_hdr *hdr;
1332 struct hostapd_data *orig_hapd = hapd;
1333
1334 hdr = (struct ieee80211_hdr *) buf;
1335 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1336 if (!hapd)
1337 return;
1338 if (hapd == HAPD_BROADCAST) {
1339 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1340 buf[24] != WLAN_ACTION_PUBLIC)
1341 return;
1342 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1343 if (!hapd || hapd == HAPD_BROADCAST)
1344 return;
1345 /*
1346 * Allow processing of TX status for a Public Action frame that
1347 * used wildcard BBSID.
1348 */
1349 }
1350 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1351 }
1352
1353 #endif /* NEED_AP_MLME */
1354
1355
hostapd_event_new_sta(struct hostapd_data * hapd,const u8 * addr)1356 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1357 {
1358 struct sta_info *sta = ap_get_sta(hapd, addr);
1359
1360 if (sta)
1361 return 0;
1362
1363 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1364 " - adding a new STA", MAC2STR(addr));
1365 sta = ap_sta_add(hapd, addr);
1366 if (sta) {
1367 hostapd_new_assoc_sta(hapd, sta, 0);
1368 } else {
1369 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1370 MAC2STR(addr));
1371 return -1;
1372 }
1373
1374 return 0;
1375 }
1376
1377
hostapd_event_eapol_rx(struct hostapd_data * hapd,const u8 * src,const u8 * data,size_t data_len)1378 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1379 const u8 *data, size_t data_len)
1380 {
1381 struct hostapd_iface *iface = hapd->iface;
1382 struct sta_info *sta;
1383 size_t j;
1384
1385 for (j = 0; j < iface->num_bss; j++) {
1386 sta = ap_get_sta(iface->bss[j], src);
1387 if (sta && sta->flags & WLAN_STA_ASSOC) {
1388 hapd = iface->bss[j];
1389 break;
1390 }
1391 }
1392
1393 ieee802_1x_receive(hapd, src, data, data_len);
1394 }
1395
1396 #endif /* HOSTAPD */
1397
1398
hostapd_get_mode_channel(struct hostapd_iface * iface,unsigned int freq)1399 static struct hostapd_channel_data * hostapd_get_mode_channel(
1400 struct hostapd_iface *iface, unsigned int freq)
1401 {
1402 int i;
1403 struct hostapd_channel_data *chan;
1404
1405 for (i = 0; i < iface->current_mode->num_channels; i++) {
1406 chan = &iface->current_mode->channels[i];
1407 if ((unsigned int) chan->freq == freq)
1408 return chan;
1409 }
1410
1411 return NULL;
1412 }
1413
1414
hostapd_update_nf(struct hostapd_iface * iface,struct hostapd_channel_data * chan,struct freq_survey * survey)1415 static void hostapd_update_nf(struct hostapd_iface *iface,
1416 struct hostapd_channel_data *chan,
1417 struct freq_survey *survey)
1418 {
1419 if (!iface->chans_surveyed) {
1420 chan->min_nf = survey->nf;
1421 iface->lowest_nf = survey->nf;
1422 } else {
1423 if (dl_list_empty(&chan->survey_list))
1424 chan->min_nf = survey->nf;
1425 else if (survey->nf < chan->min_nf)
1426 chan->min_nf = survey->nf;
1427 if (survey->nf < iface->lowest_nf)
1428 iface->lowest_nf = survey->nf;
1429 }
1430 }
1431
1432
hostapd_single_channel_get_survey(struct hostapd_iface * iface,struct survey_results * survey_res)1433 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1434 struct survey_results *survey_res)
1435 {
1436 struct hostapd_channel_data *chan;
1437 struct freq_survey *survey;
1438 u64 divisor, dividend;
1439
1440 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1441 list);
1442 if (!survey || !survey->freq)
1443 return;
1444
1445 chan = hostapd_get_mode_channel(iface, survey->freq);
1446 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1447 return;
1448
1449 wpa_printf(MSG_DEBUG,
1450 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1451 survey->freq,
1452 (unsigned long int) survey->channel_time,
1453 (unsigned long int) survey->channel_time_busy);
1454
1455 if (survey->channel_time > iface->last_channel_time &&
1456 survey->channel_time > survey->channel_time_busy) {
1457 dividend = survey->channel_time_busy -
1458 iface->last_channel_time_busy;
1459 divisor = survey->channel_time - iface->last_channel_time;
1460
1461 iface->channel_utilization = dividend * 255 / divisor;
1462 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1463 iface->channel_utilization);
1464 }
1465 iface->last_channel_time = survey->channel_time;
1466 iface->last_channel_time_busy = survey->channel_time_busy;
1467 }
1468
1469
hostapd_event_get_survey(struct hostapd_iface * iface,struct survey_results * survey_results)1470 void hostapd_event_get_survey(struct hostapd_iface *iface,
1471 struct survey_results *survey_results)
1472 {
1473 struct freq_survey *survey, *tmp;
1474 struct hostapd_channel_data *chan;
1475
1476 if (dl_list_empty(&survey_results->survey_list)) {
1477 wpa_printf(MSG_DEBUG, "No survey data received");
1478 return;
1479 }
1480
1481 if (survey_results->freq_filter) {
1482 hostapd_single_channel_get_survey(iface, survey_results);
1483 return;
1484 }
1485
1486 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1487 struct freq_survey, list) {
1488 chan = hostapd_get_mode_channel(iface, survey->freq);
1489 if (!chan)
1490 continue;
1491 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1492 continue;
1493
1494 dl_list_del(&survey->list);
1495 dl_list_add_tail(&chan->survey_list, &survey->list);
1496
1497 hostapd_update_nf(iface, chan, survey);
1498
1499 iface->chans_surveyed++;
1500 }
1501 }
1502
1503
1504 #ifdef HOSTAPD
1505 #ifdef NEED_AP_MLME
1506
hostapd_event_iface_unavailable(struct hostapd_data * hapd)1507 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1508 {
1509 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1510 hapd->conf->iface);
1511
1512 if (hapd->csa_in_progress) {
1513 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1514 hapd->conf->iface);
1515 hostapd_switch_channel_fallback(hapd->iface,
1516 &hapd->cs_freq_params);
1517 }
1518 }
1519
1520
hostapd_event_dfs_radar_detected(struct hostapd_data * hapd,struct dfs_event * radar)1521 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1522 struct dfs_event *radar)
1523 {
1524 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1525 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1526 radar->chan_offset, radar->chan_width,
1527 radar->cf1, radar->cf2);
1528 }
1529
1530
hostapd_event_dfs_pre_cac_expired(struct hostapd_data * hapd,struct dfs_event * radar)1531 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1532 struct dfs_event *radar)
1533 {
1534 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1535 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1536 radar->chan_offset, radar->chan_width,
1537 radar->cf1, radar->cf2);
1538 }
1539
1540
hostapd_event_dfs_cac_finished(struct hostapd_data * hapd,struct dfs_event * radar)1541 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1542 struct dfs_event *radar)
1543 {
1544 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1545 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1546 radar->chan_offset, radar->chan_width,
1547 radar->cf1, radar->cf2);
1548 }
1549
1550
hostapd_event_dfs_cac_aborted(struct hostapd_data * hapd,struct dfs_event * radar)1551 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1552 struct dfs_event *radar)
1553 {
1554 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1555 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1556 radar->chan_offset, radar->chan_width,
1557 radar->cf1, radar->cf2);
1558 }
1559
1560
hostapd_event_dfs_nop_finished(struct hostapd_data * hapd,struct dfs_event * radar)1561 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1562 struct dfs_event *radar)
1563 {
1564 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1565 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1566 radar->chan_offset, radar->chan_width,
1567 radar->cf1, radar->cf2);
1568 }
1569
1570
hostapd_event_dfs_cac_started(struct hostapd_data * hapd,struct dfs_event * radar)1571 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1572 struct dfs_event *radar)
1573 {
1574 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1575 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1576 radar->chan_offset, radar->chan_width,
1577 radar->cf1, radar->cf2);
1578 }
1579
1580 #endif /* NEED_AP_MLME */
1581
1582
hostapd_event_wds_sta_interface_status(struct hostapd_data * hapd,int istatus,const char * ifname,const u8 * addr)1583 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1584 int istatus,
1585 const char *ifname,
1586 const u8 *addr)
1587 {
1588 struct sta_info *sta = ap_get_sta(hapd, addr);
1589
1590 if (sta) {
1591 os_free(sta->ifname_wds);
1592 if (istatus == INTERFACE_ADDED)
1593 sta->ifname_wds = os_strdup(ifname);
1594 else
1595 sta->ifname_wds = NULL;
1596 }
1597
1598 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1599 istatus == INTERFACE_ADDED ?
1600 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1601 ifname, MAC2STR(addr));
1602 }
1603
1604
1605 #ifdef CONFIG_OWE
hostapd_notif_update_dh_ie(struct hostapd_data * hapd,const u8 * peer,const u8 * ie,size_t ie_len)1606 static int hostapd_notif_update_dh_ie(struct hostapd_data *hapd,
1607 const u8 *peer, const u8 *ie,
1608 size_t ie_len)
1609 {
1610 u16 status;
1611 struct sta_info *sta;
1612 struct ieee802_11_elems elems;
1613
1614 if (!hapd || !hapd->wpa_auth) {
1615 wpa_printf(MSG_DEBUG, "OWE: Invalid hapd context");
1616 return -1;
1617 }
1618 if (!peer) {
1619 wpa_printf(MSG_DEBUG, "OWE: Peer unknown");
1620 return -1;
1621 }
1622 if (!(hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE)) {
1623 wpa_printf(MSG_DEBUG, "OWE: No OWE AKM configured");
1624 status = WLAN_STATUS_AKMP_NOT_VALID;
1625 goto err;
1626 }
1627 if (ieee802_11_parse_elems(ie, ie_len, &elems, 1) == ParseFailed) {
1628 wpa_printf(MSG_DEBUG, "OWE: Failed to parse OWE IE for "
1629 MACSTR, MAC2STR(peer));
1630 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1631 goto err;
1632 }
1633 status = owe_validate_request(hapd, peer, elems.rsn_ie,
1634 elems.rsn_ie_len,
1635 elems.owe_dh, elems.owe_dh_len);
1636 if (status != WLAN_STATUS_SUCCESS)
1637 goto err;
1638
1639 sta = ap_get_sta(hapd, peer);
1640 if (sta) {
1641 ap_sta_no_session_timeout(hapd, sta);
1642 accounting_sta_stop(hapd, sta);
1643
1644 /*
1645 * Make sure that the previously registered inactivity timer
1646 * will not remove the STA immediately.
1647 */
1648 sta->timeout_next = STA_NULLFUNC;
1649 } else {
1650 sta = ap_sta_add(hapd, peer);
1651 if (!sta) {
1652 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1653 goto err;
1654 }
1655 }
1656 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
1657
1658 status = owe_process_rsn_ie(hapd, sta, elems.rsn_ie,
1659 elems.rsn_ie_len, elems.owe_dh,
1660 elems.owe_dh_len);
1661 if (status != WLAN_STATUS_SUCCESS)
1662 ap_free_sta(hapd, sta);
1663
1664 return 0;
1665 err:
1666 hostapd_drv_update_dh_ie(hapd, peer, status, NULL, 0);
1667 return 0;
1668 }
1669 #endif /* CONFIG_OWE */
1670
1671
wpa_supplicant_event(void * ctx,enum wpa_event_type event,union wpa_event_data * data)1672 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1673 union wpa_event_data *data)
1674 {
1675 struct hostapd_data *hapd = ctx;
1676 #ifndef CONFIG_NO_STDOUT_DEBUG
1677 int level = MSG_DEBUG;
1678
1679 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1680 data->rx_mgmt.frame_len >= 24) {
1681 const struct ieee80211_hdr *hdr;
1682 u16 fc;
1683
1684 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1685 fc = le_to_host16(hdr->frame_control);
1686 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1687 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1688 level = MSG_EXCESSIVE;
1689 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1690 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1691 level = MSG_EXCESSIVE;
1692 }
1693
1694 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1695 event_to_string(event), event);
1696 #endif /* CONFIG_NO_STDOUT_DEBUG */
1697
1698 switch (event) {
1699 case EVENT_MICHAEL_MIC_FAILURE:
1700 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1701 break;
1702 case EVENT_SCAN_RESULTS:
1703 if (hapd->iface->scan_cb)
1704 hapd->iface->scan_cb(hapd->iface);
1705 break;
1706 case EVENT_WPS_BUTTON_PUSHED:
1707 hostapd_wps_button_pushed(hapd, NULL);
1708 break;
1709 #ifdef NEED_AP_MLME
1710 case EVENT_TX_STATUS:
1711 switch (data->tx_status.type) {
1712 case WLAN_FC_TYPE_MGMT:
1713 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1714 data->tx_status.data_len,
1715 data->tx_status.stype,
1716 data->tx_status.ack);
1717 break;
1718 case WLAN_FC_TYPE_DATA:
1719 hostapd_tx_status(hapd, data->tx_status.dst,
1720 data->tx_status.data,
1721 data->tx_status.data_len,
1722 data->tx_status.ack);
1723 break;
1724 }
1725 break;
1726 case EVENT_EAPOL_TX_STATUS:
1727 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1728 data->eapol_tx_status.data,
1729 data->eapol_tx_status.data_len,
1730 data->eapol_tx_status.ack);
1731 break;
1732 case EVENT_DRIVER_CLIENT_POLL_OK:
1733 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1734 break;
1735 case EVENT_RX_FROM_UNKNOWN:
1736 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1737 data->rx_from_unknown.addr,
1738 data->rx_from_unknown.wds);
1739 break;
1740 #endif /* NEED_AP_MLME */
1741 case EVENT_RX_MGMT:
1742 if (!data->rx_mgmt.frame)
1743 break;
1744 #ifdef NEED_AP_MLME
1745 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
1746 #else /* NEED_AP_MLME */
1747 hostapd_action_rx(hapd, &data->rx_mgmt);
1748 #endif /* NEED_AP_MLME */
1749 break;
1750 case EVENT_RX_PROBE_REQ:
1751 if (data->rx_probe_req.sa == NULL ||
1752 data->rx_probe_req.ie == NULL)
1753 break;
1754 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1755 data->rx_probe_req.da,
1756 data->rx_probe_req.bssid,
1757 data->rx_probe_req.ie,
1758 data->rx_probe_req.ie_len,
1759 data->rx_probe_req.ssi_signal);
1760 break;
1761 case EVENT_NEW_STA:
1762 hostapd_event_new_sta(hapd, data->new_sta.addr);
1763 break;
1764 case EVENT_EAPOL_RX:
1765 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1766 data->eapol_rx.data,
1767 data->eapol_rx.data_len);
1768 break;
1769 case EVENT_ASSOC:
1770 if (!data)
1771 return;
1772 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1773 data->assoc_info.req_ies,
1774 data->assoc_info.req_ies_len,
1775 data->assoc_info.reassoc);
1776 break;
1777 #ifdef CONFIG_OWE
1778 case EVENT_UPDATE_DH:
1779 if (!data)
1780 return;
1781 hostapd_notif_update_dh_ie(hapd, data->update_dh.peer,
1782 data->update_dh.ie,
1783 data->update_dh.ie_len);
1784 break;
1785 #endif /* CONFIG_OWE */
1786 case EVENT_DISASSOC:
1787 if (data)
1788 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1789 break;
1790 case EVENT_DEAUTH:
1791 if (data)
1792 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1793 break;
1794 case EVENT_STATION_LOW_ACK:
1795 if (!data)
1796 break;
1797 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1798 break;
1799 case EVENT_AUTH:
1800 hostapd_notif_auth(hapd, &data->auth);
1801 break;
1802 case EVENT_CH_SWITCH_STARTED:
1803 case EVENT_CH_SWITCH:
1804 if (!data)
1805 break;
1806 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1807 data->ch_switch.ht_enabled,
1808 data->ch_switch.ch_offset,
1809 data->ch_switch.ch_width,
1810 data->ch_switch.cf1,
1811 data->ch_switch.cf2,
1812 event == EVENT_CH_SWITCH);
1813 break;
1814 case EVENT_CONNECT_FAILED_REASON:
1815 if (!data)
1816 break;
1817 hostapd_event_connect_failed_reason(
1818 hapd, data->connect_failed_reason.addr,
1819 data->connect_failed_reason.code);
1820 break;
1821 case EVENT_SURVEY:
1822 hostapd_event_get_survey(hapd->iface, &data->survey_results);
1823 break;
1824 #ifdef NEED_AP_MLME
1825 case EVENT_INTERFACE_UNAVAILABLE:
1826 hostapd_event_iface_unavailable(hapd);
1827 break;
1828 case EVENT_DFS_RADAR_DETECTED:
1829 if (!data)
1830 break;
1831 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1832 break;
1833 case EVENT_DFS_PRE_CAC_EXPIRED:
1834 if (!data)
1835 break;
1836 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
1837 break;
1838 case EVENT_DFS_CAC_FINISHED:
1839 if (!data)
1840 break;
1841 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1842 break;
1843 case EVENT_DFS_CAC_ABORTED:
1844 if (!data)
1845 break;
1846 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1847 break;
1848 case EVENT_DFS_NOP_FINISHED:
1849 if (!data)
1850 break;
1851 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1852 break;
1853 case EVENT_CHANNEL_LIST_CHANGED:
1854 /* channel list changed (regulatory?), update channel list */
1855 /* TODO: check this. hostapd_get_hw_features() initializes
1856 * too much stuff. */
1857 /* hostapd_get_hw_features(hapd->iface); */
1858 hostapd_channel_list_updated(
1859 hapd->iface, data->channel_list_changed.initiator);
1860 break;
1861 case EVENT_DFS_CAC_STARTED:
1862 if (!data)
1863 break;
1864 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1865 break;
1866 #endif /* NEED_AP_MLME */
1867 case EVENT_INTERFACE_ENABLED:
1868 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1869 if (hapd->disabled && hapd->started) {
1870 hapd->disabled = 0;
1871 /*
1872 * Try to re-enable interface if the driver stopped it
1873 * when the interface got disabled.
1874 */
1875 if (hapd->wpa_auth)
1876 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1877 else
1878 hostapd_reconfig_encryption(hapd);
1879 hapd->reenable_beacon = 1;
1880 ieee802_11_set_beacon(hapd);
1881 #ifdef NEED_AP_MLME
1882 } else if (hapd->disabled && hapd->iface->cac_started) {
1883 wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
1884 hostapd_handle_dfs(hapd->iface);
1885 #endif /* NEED_AP_MLME */
1886 }
1887 break;
1888 case EVENT_INTERFACE_DISABLED:
1889 hostapd_free_stas(hapd);
1890 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1891 hapd->disabled = 1;
1892 break;
1893 #ifdef CONFIG_ACS
1894 case EVENT_ACS_CHANNEL_SELECTED:
1895 hostapd_acs_channel_selected(hapd,
1896 &data->acs_selected_channels);
1897 break;
1898 #endif /* CONFIG_ACS */
1899 case EVENT_STATION_OPMODE_CHANGED:
1900 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
1901 data->sta_opmode.smps_mode,
1902 data->sta_opmode.chan_width,
1903 data->sta_opmode.rx_nss);
1904 break;
1905 case EVENT_WDS_STA_INTERFACE_STATUS:
1906 hostapd_event_wds_sta_interface_status(
1907 hapd, data->wds_sta_interface.istatus,
1908 data->wds_sta_interface.ifname,
1909 data->wds_sta_interface.sta_addr);
1910 break;
1911 default:
1912 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1913 break;
1914 }
1915 }
1916
1917
wpa_supplicant_event_global(void * ctx,enum wpa_event_type event,union wpa_event_data * data)1918 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
1919 union wpa_event_data *data)
1920 {
1921 struct hapd_interfaces *interfaces = ctx;
1922 struct hostapd_data *hapd;
1923
1924 if (event != EVENT_INTERFACE_STATUS)
1925 return;
1926
1927 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
1928 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
1929 hapd->drv_priv) {
1930 unsigned int ifindex;
1931
1932 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
1933 if (ifindex != data->interface_status.ifindex) {
1934 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1935 "interface status ifindex %d mismatch (%d)",
1936 ifindex, data->interface_status.ifindex);
1937 return;
1938 }
1939 }
1940 if (hapd)
1941 wpa_supplicant_event(hapd, event, data);
1942 }
1943
1944 #endif /* HOSTAPD */
1945