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 random_add_randomness(addr, ETH_ALEN);
135
136 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
137 HOSTAPD_LEVEL_INFO, "associated");
138
139 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
140 if (elems.wps_ie) {
141 ie = elems.wps_ie - 2;
142 ielen = elems.wps_ie_len + 2;
143 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
144 } else if (elems.rsn_ie) {
145 ie = elems.rsn_ie - 2;
146 ielen = elems.rsn_ie_len + 2;
147 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
148 } else if (elems.wpa_ie) {
149 ie = elems.wpa_ie - 2;
150 ielen = elems.wpa_ie_len + 2;
151 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
152 #ifdef CONFIG_HS20
153 } else if (elems.osen) {
154 ie = elems.osen - 2;
155 ielen = elems.osen_len + 2;
156 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
157 #endif /* CONFIG_HS20 */
158 } else {
159 ie = NULL;
160 ielen = 0;
161 wpa_printf(MSG_DEBUG,
162 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
163 }
164
165 sta = ap_get_sta(hapd, addr);
166 if (sta) {
167 ap_sta_no_session_timeout(hapd, sta);
168 accounting_sta_stop(hapd, sta);
169
170 /*
171 * Make sure that the previously registered inactivity timer
172 * will not remove the STA immediately.
173 */
174 sta->timeout_next = STA_NULLFUNC;
175 } else {
176 sta = ap_sta_add(hapd, addr);
177 if (sta == NULL) {
178 hostapd_drv_sta_disassoc(hapd, addr,
179 WLAN_REASON_DISASSOC_AP_BUSY);
180 return -1;
181 }
182 }
183 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
184
185 /*
186 * ACL configurations to the drivers (implementing AP SME and ACL
187 * offload) without hostapd's knowledge, can result in a disconnection
188 * though the driver accepts the connection. Skip the hostapd check for
189 * ACL if the driver supports ACL offload to avoid potentially
190 * conflicting ACL rules.
191 */
192 if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
193 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
194 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
195 MAC2STR(addr));
196 reason = WLAN_REASON_UNSPECIFIED;
197 goto fail;
198 }
199
200 #ifdef CONFIG_P2P
201 if (elems.p2p) {
202 wpabuf_free(sta->p2p_ie);
203 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
204 P2P_IE_VENDOR_TYPE);
205 if (sta->p2p_ie)
206 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
207 }
208 #endif /* CONFIG_P2P */
209
210 #ifdef CONFIG_IEEE80211N
211 #ifdef NEED_AP_MLME
212 if (elems.ht_capabilities &&
213 (hapd->iface->conf->ht_capab &
214 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
215 struct ieee80211_ht_capabilities *ht_cap =
216 (struct ieee80211_ht_capabilities *)
217 elems.ht_capabilities;
218
219 if (le_to_host16(ht_cap->ht_capabilities_info) &
220 HT_CAP_INFO_40MHZ_INTOLERANT)
221 ht40_intolerant_add(hapd->iface, sta);
222 }
223 #endif /* NEED_AP_MLME */
224 #endif /* CONFIG_IEEE80211N */
225
226 #ifdef CONFIG_INTERWORKING
227 if (elems.ext_capab && elems.ext_capab_len > 4) {
228 if (elems.ext_capab[4] & 0x01)
229 sta->qos_map_enabled = 1;
230 }
231 #endif /* CONFIG_INTERWORKING */
232
233 #ifdef CONFIG_HS20
234 wpabuf_free(sta->hs20_ie);
235 if (elems.hs20 && elems.hs20_len > 4) {
236 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
237 elems.hs20_len - 4);
238 } else
239 sta->hs20_ie = NULL;
240
241 wpabuf_free(sta->roaming_consortium);
242 if (elems.roaming_cons_sel)
243 sta->roaming_consortium = wpabuf_alloc_copy(
244 elems.roaming_cons_sel + 4,
245 elems.roaming_cons_sel_len - 4);
246 else
247 sta->roaming_consortium = NULL;
248 #endif /* CONFIG_HS20 */
249
250 #ifdef CONFIG_FST
251 wpabuf_free(sta->mb_ies);
252 if (hapd->iface->fst)
253 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
254 else
255 sta->mb_ies = NULL;
256 #endif /* CONFIG_FST */
257
258 mbo_ap_check_sta_assoc(hapd, sta, &elems);
259
260 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
261 elems.supp_op_classes_len);
262
263 if (hapd->conf->wpa) {
264 if (ie == NULL || ielen == 0) {
265 #ifdef CONFIG_WPS
266 if (hapd->conf->wps_state) {
267 wpa_printf(MSG_DEBUG,
268 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
269 sta->flags |= WLAN_STA_MAYBE_WPS;
270 goto skip_wpa_check;
271 }
272 #endif /* CONFIG_WPS */
273
274 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
275 reason = WLAN_REASON_INVALID_IE;
276 status = WLAN_STATUS_INVALID_IE;
277 goto fail;
278 }
279 #ifdef CONFIG_WPS
280 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
281 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
282 struct wpabuf *wps;
283
284 sta->flags |= WLAN_STA_WPS;
285 wps = ieee802_11_vendor_ie_concat(ie, ielen,
286 WPS_IE_VENDOR_TYPE);
287 if (wps) {
288 if (wps_is_20(wps)) {
289 wpa_printf(MSG_DEBUG,
290 "WPS: STA supports WPS 2.0");
291 sta->flags |= WLAN_STA_WPS2;
292 }
293 wpabuf_free(wps);
294 }
295 goto skip_wpa_check;
296 }
297 #endif /* CONFIG_WPS */
298
299 if (sta->wpa_sm == NULL)
300 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
301 sta->addr,
302 p2p_dev_addr);
303 if (sta->wpa_sm == NULL) {
304 wpa_printf(MSG_ERROR,
305 "Failed to initialize WPA state machine");
306 return -1;
307 }
308 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
309 hapd->iface->freq,
310 ie, ielen,
311 elems.mdie, elems.mdie_len,
312 elems.owe_dh, elems.owe_dh_len);
313 if (res != WPA_IE_OK) {
314 wpa_printf(MSG_DEBUG,
315 "WPA/RSN information element rejected? (res %u)",
316 res);
317 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
318 if (res == WPA_INVALID_GROUP) {
319 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
320 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
321 } else if (res == WPA_INVALID_PAIRWISE) {
322 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
323 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
324 } else if (res == WPA_INVALID_AKMP) {
325 reason = WLAN_REASON_AKMP_NOT_VALID;
326 status = WLAN_STATUS_AKMP_NOT_VALID;
327 }
328 #ifdef CONFIG_IEEE80211W
329 else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
330 reason = WLAN_REASON_INVALID_IE;
331 status = WLAN_STATUS_INVALID_IE;
332 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
333 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
334 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
335 }
336 #endif /* CONFIG_IEEE80211W */
337 else {
338 reason = WLAN_REASON_INVALID_IE;
339 status = WLAN_STATUS_INVALID_IE;
340 }
341 goto fail;
342 }
343 #ifdef CONFIG_IEEE80211W
344 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
345 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
346 !sta->sa_query_timed_out &&
347 sta->sa_query_count > 0)
348 ap_check_sa_query_timeout(hapd, sta);
349 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
350 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
351 !sta->sa_query_timed_out &&
352 (sta->auth_alg != WLAN_AUTH_FT)) {
353 /*
354 * STA has already been associated with MFP and SA
355 * Query timeout has not been reached. Reject the
356 * association attempt temporarily and start SA Query,
357 * if one is not pending.
358 */
359
360 if (sta->sa_query_count == 0)
361 ap_sta_start_sa_query(hapd, sta);
362
363 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
364
365 p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
366
367 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
368 p - buf);
369 return 0;
370 }
371
372 if (wpa_auth_uses_mfp(sta->wpa_sm))
373 sta->flags |= WLAN_STA_MFP;
374 else
375 sta->flags &= ~WLAN_STA_MFP;
376 #endif /* CONFIG_IEEE80211W */
377
378 #ifdef CONFIG_IEEE80211R_AP
379 if (sta->auth_alg == WLAN_AUTH_FT) {
380 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
381 req_ies_len);
382 if (status != WLAN_STATUS_SUCCESS) {
383 if (status == WLAN_STATUS_INVALID_PMKID)
384 reason = WLAN_REASON_INVALID_IE;
385 if (status == WLAN_STATUS_INVALID_MDIE)
386 reason = WLAN_REASON_INVALID_IE;
387 if (status == WLAN_STATUS_INVALID_FTIE)
388 reason = WLAN_REASON_INVALID_IE;
389 goto fail;
390 }
391 }
392 #endif /* CONFIG_IEEE80211R_AP */
393 } else if (hapd->conf->wps_state) {
394 #ifdef CONFIG_WPS
395 struct wpabuf *wps;
396
397 if (req_ies)
398 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
399 WPS_IE_VENDOR_TYPE);
400 else
401 wps = NULL;
402 #ifdef CONFIG_WPS_STRICT
403 if (wps && wps_validate_assoc_req(wps) < 0) {
404 reason = WLAN_REASON_INVALID_IE;
405 status = WLAN_STATUS_INVALID_IE;
406 wpabuf_free(wps);
407 goto fail;
408 }
409 #endif /* CONFIG_WPS_STRICT */
410 if (wps) {
411 sta->flags |= WLAN_STA_WPS;
412 if (wps_is_20(wps)) {
413 wpa_printf(MSG_DEBUG,
414 "WPS: STA supports WPS 2.0");
415 sta->flags |= WLAN_STA_WPS2;
416 }
417 } else
418 sta->flags |= WLAN_STA_MAYBE_WPS;
419 wpabuf_free(wps);
420 #endif /* CONFIG_WPS */
421 #ifdef CONFIG_HS20
422 } else if (hapd->conf->osen) {
423 if (elems.osen == NULL) {
424 hostapd_logger(
425 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
426 HOSTAPD_LEVEL_INFO,
427 "No HS 2.0 OSEN element in association request");
428 return WLAN_STATUS_INVALID_IE;
429 }
430
431 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
432 if (sta->wpa_sm == NULL)
433 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
434 sta->addr, NULL);
435 if (sta->wpa_sm == NULL) {
436 wpa_printf(MSG_WARNING,
437 "Failed to initialize WPA state machine");
438 return WLAN_STATUS_UNSPECIFIED_FAILURE;
439 }
440 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
441 elems.osen - 2, elems.osen_len + 2) < 0)
442 return WLAN_STATUS_INVALID_IE;
443 #endif /* CONFIG_HS20 */
444 }
445
446 #ifdef CONFIG_MBO
447 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
448 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
449 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
450 wpa_printf(MSG_INFO,
451 "MBO: Reject WPA2 association without PMF");
452 return WLAN_STATUS_UNSPECIFIED_FAILURE;
453 }
454 #endif /* CONFIG_MBO */
455
456 #ifdef CONFIG_WPS
457 skip_wpa_check:
458 #endif /* CONFIG_WPS */
459
460 #ifdef CONFIG_IEEE80211R_AP
461 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
462 sta->auth_alg, req_ies, req_ies_len);
463 if (!p) {
464 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
465 return WLAN_STATUS_UNSPECIFIED_FAILURE;
466 }
467 #endif /* CONFIG_IEEE80211R_AP */
468
469 #ifdef CONFIG_FILS
470 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
471 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
472 sta->auth_alg == WLAN_AUTH_FILS_PK) {
473 int delay_assoc = 0;
474
475 if (!req_ies)
476 return WLAN_STATUS_UNSPECIFIED_FAILURE;
477
478 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
479 req_ies_len,
480 sta->fils_session)) {
481 wpa_printf(MSG_DEBUG,
482 "FILS: Session validation failed");
483 return WLAN_STATUS_UNSPECIFIED_FAILURE;
484 }
485
486 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
487 req_ies_len);
488 if (res < 0) {
489 wpa_printf(MSG_DEBUG,
490 "FILS: Key Confirm validation failed");
491 return WLAN_STATUS_UNSPECIFIED_FAILURE;
492 }
493
494 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
495 wpa_printf(MSG_DEBUG,
496 "FILS: Delaying Assoc Response (HLP)");
497 delay_assoc = 1;
498 } else {
499 wpa_printf(MSG_DEBUG,
500 "FILS: Going ahead with Assoc Response (no HLP)");
501 }
502
503 if (sta) {
504 wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
505 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
506 os_free(sta->fils_pending_assoc_req);
507 sta->fils_pending_assoc_req = NULL;
508 sta->fils_pending_assoc_req_len = 0;
509 wpabuf_free(sta->fils_hlp_resp);
510 sta->fils_hlp_resp = NULL;
511 sta->fils_drv_assoc_finish = 0;
512 }
513
514 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
515 u8 *req_tmp;
516
517 req_tmp = os_malloc(req_ies_len);
518 if (!req_tmp) {
519 wpa_printf(MSG_DEBUG,
520 "FILS: buffer allocation failed for assoc req");
521 goto fail;
522 }
523 os_memcpy(req_tmp, req_ies, req_ies_len);
524 sta->fils_pending_assoc_req = req_tmp;
525 sta->fils_pending_assoc_req_len = req_ies_len;
526 sta->fils_pending_assoc_is_reassoc = reassoc;
527 sta->fils_drv_assoc_finish = 1;
528 wpa_printf(MSG_DEBUG,
529 "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
530 MACSTR, MAC2STR(sta->addr));
531 eloop_register_timeout(
532 0, hapd->conf->fils_hlp_wait_time * 1024,
533 fils_hlp_timeout, hapd, sta);
534 return 0;
535 }
536 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
537 elems.fils_session,
538 sta->fils_hlp_resp);
539 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
540 buf, p - buf);
541 }
542 #endif /* CONFIG_FILS */
543
544 #ifdef CONFIG_OWE
545 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
546 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
547 elems.owe_dh) {
548 u8 *npos;
549
550 npos = owe_assoc_req_process(hapd, sta,
551 elems.owe_dh, elems.owe_dh_len,
552 p, sizeof(buf) - (p - buf),
553 &reason);
554 if (npos)
555 p = npos;
556 if (!npos &&
557 reason == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
558 status = WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED;
559 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
560 p - buf);
561 return 0;
562 }
563
564 if (!npos || reason != WLAN_STATUS_SUCCESS)
565 goto fail;
566 }
567 #endif /* CONFIG_OWE */
568
569 #ifdef CONFIG_DPP2
570 dpp_pfs_free(sta->dpp_pfs);
571 sta->dpp_pfs = NULL;
572
573 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) &&
574 hapd->conf->dpp_netaccesskey && sta->wpa_sm &&
575 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_DPP &&
576 elems.owe_dh) {
577 sta->dpp_pfs = dpp_pfs_init(
578 wpabuf_head(hapd->conf->dpp_netaccesskey),
579 wpabuf_len(hapd->conf->dpp_netaccesskey));
580 if (!sta->dpp_pfs) {
581 wpa_printf(MSG_DEBUG,
582 "DPP: Could not initialize PFS");
583 /* Try to continue without PFS */
584 goto pfs_fail;
585 }
586
587 if (dpp_pfs_process(sta->dpp_pfs, elems.owe_dh,
588 elems.owe_dh_len) < 0) {
589 dpp_pfs_free(sta->dpp_pfs);
590 sta->dpp_pfs = NULL;
591 reason = WLAN_REASON_UNSPECIFIED;
592 goto fail;
593 }
594 }
595
596 wpa_auth_set_dpp_z(sta->wpa_sm, sta->dpp_pfs ?
597 sta->dpp_pfs->secret : NULL);
598 pfs_fail:
599 #endif /* CONFIG_DPP2 */
600
601 #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
602 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
603
604 if (sta->auth_alg == WLAN_AUTH_FT ||
605 sta->auth_alg == WLAN_AUTH_FILS_SK ||
606 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
607 sta->auth_alg == WLAN_AUTH_FILS_PK)
608 ap_sta_set_authorized(hapd, sta, 1);
609 #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
610 /* Keep compiler silent about unused variables */
611 if (status) {
612 }
613 #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
614
615 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
616 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
617 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
618
619 hostapd_set_sta_flags(hapd, sta);
620
621 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
622 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
623 #ifdef CONFIG_FILS
624 else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
625 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
626 sta->auth_alg == WLAN_AUTH_FILS_PK)
627 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
628 #endif /* CONFIG_FILS */
629 else
630 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
631
632 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
633
634 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
635
636 #ifdef CONFIG_P2P
637 if (req_ies) {
638 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
639 req_ies, req_ies_len);
640 }
641 #endif /* CONFIG_P2P */
642
643 return 0;
644
645 fail:
646 #ifdef CONFIG_IEEE80211R_AP
647 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
648 #endif /* CONFIG_IEEE80211R_AP */
649 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
650 ap_free_sta(hapd, sta);
651 return -1;
652 }
653
654
hostapd_notif_disassoc(struct hostapd_data * hapd,const u8 * addr)655 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
656 {
657 struct sta_info *sta;
658
659 if (addr == NULL) {
660 /*
661 * This could potentially happen with unexpected event from the
662 * driver wrapper. This was seen at least in one case where the
663 * driver ended up reporting a station mode event while hostapd
664 * was running, so better make sure we stop processing such an
665 * event here.
666 */
667 wpa_printf(MSG_DEBUG,
668 "hostapd_notif_disassoc: Skip event with no address");
669 return;
670 }
671
672 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
673 HOSTAPD_LEVEL_INFO, "disassociated");
674
675 sta = ap_get_sta(hapd, addr);
676 if (sta == NULL) {
677 wpa_printf(MSG_DEBUG,
678 "Disassociation notification for unknown STA "
679 MACSTR, MAC2STR(addr));
680 return;
681 }
682
683 ap_sta_set_authorized(hapd, sta, 0);
684 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
685 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
686 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
687 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
688 ap_free_sta(hapd, sta);
689 }
690
691
hostapd_event_sta_low_ack(struct hostapd_data * hapd,const u8 * addr)692 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
693 {
694 struct sta_info *sta = ap_get_sta(hapd, addr);
695
696 if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
697 return;
698
699 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
700 HOSTAPD_LEVEL_INFO,
701 "disconnected due to excessive missing ACKs");
702 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
703 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
704 }
705
706
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)707 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
708 enum smps_mode smps_mode,
709 enum chan_width chan_width, u8 rx_nss)
710 {
711 struct sta_info *sta = ap_get_sta(hapd, addr);
712 const char *txt;
713
714 if (!sta)
715 return;
716
717 switch (smps_mode) {
718 case SMPS_AUTOMATIC:
719 txt = "automatic";
720 break;
721 case SMPS_OFF:
722 txt = "off";
723 break;
724 case SMPS_DYNAMIC:
725 txt = "dynamic";
726 break;
727 case SMPS_STATIC:
728 txt = "static";
729 break;
730 default:
731 txt = NULL;
732 break;
733 }
734 if (txt) {
735 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
736 MACSTR " %s", MAC2STR(addr), txt);
737 }
738
739 switch (chan_width) {
740 case CHAN_WIDTH_20_NOHT:
741 txt = "20(no-HT)";
742 break;
743 case CHAN_WIDTH_20:
744 txt = "20";
745 break;
746 case CHAN_WIDTH_40:
747 txt = "40";
748 break;
749 case CHAN_WIDTH_80:
750 txt = "80";
751 break;
752 case CHAN_WIDTH_80P80:
753 txt = "80+80";
754 break;
755 case CHAN_WIDTH_160:
756 txt = "160";
757 break;
758 default:
759 txt = NULL;
760 break;
761 }
762 if (txt) {
763 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
764 MACSTR " %s", MAC2STR(addr), txt);
765 }
766
767 if (rx_nss != 0xff) {
768 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
769 MACSTR " %d", MAC2STR(addr), rx_nss);
770 }
771 }
772
773
hostapd_event_ch_switch(struct hostapd_data * hapd,int freq,int ht,int offset,int width,int cf1,int cf2)774 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
775 int offset, int width, int cf1, int cf2)
776 {
777 /* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */
778
779 #ifdef NEED_AP_MLME
780 int channel, chwidth, is_dfs;
781 u8 seg0_idx = 0, seg1_idx = 0;
782 size_t i;
783
784 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
785 HOSTAPD_LEVEL_INFO,
786 "driver had channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
787 freq, ht, hapd->iconf->ch_switch_vht_config, offset,
788 width, channel_width_to_string(width), cf1, cf2);
789
790 if (!hapd->iface->current_mode) {
791 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
792 HOSTAPD_LEVEL_WARNING,
793 "ignore channel switch since the interface is not yet ready");
794 return;
795 }
796
797 hapd->iface->freq = freq;
798
799 channel = hostapd_hw_get_channel(hapd, freq);
800 if (!channel) {
801 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
802 HOSTAPD_LEVEL_WARNING,
803 "driver switched to bad channel!");
804 return;
805 }
806
807 switch (width) {
808 case CHAN_WIDTH_80:
809 chwidth = VHT_CHANWIDTH_80MHZ;
810 break;
811 case CHAN_WIDTH_80P80:
812 chwidth = VHT_CHANWIDTH_80P80MHZ;
813 break;
814 case CHAN_WIDTH_160:
815 chwidth = VHT_CHANWIDTH_160MHZ;
816 break;
817 case CHAN_WIDTH_20_NOHT:
818 case CHAN_WIDTH_20:
819 case CHAN_WIDTH_40:
820 default:
821 chwidth = VHT_CHANWIDTH_USE_HT;
822 break;
823 }
824
825 switch (hapd->iface->current_mode->mode) {
826 case HOSTAPD_MODE_IEEE80211A:
827 if (cf1 > 5000)
828 seg0_idx = (cf1 - 5000) / 5;
829 if (cf2 > 5000)
830 seg1_idx = (cf2 - 5000) / 5;
831 break;
832 default:
833 ieee80211_freq_to_chan(cf1, &seg0_idx);
834 ieee80211_freq_to_chan(cf2, &seg1_idx);
835 break;
836 }
837
838 hapd->iconf->channel = channel;
839 hapd->iconf->ieee80211n = ht;
840 if (!ht) {
841 hapd->iconf->ieee80211ac = 0;
842 } else if (hapd->iconf->ch_switch_vht_config) {
843 /* CHAN_SWITCH VHT config */
844 if (hapd->iconf->ch_switch_vht_config &
845 CH_SWITCH_VHT_ENABLED)
846 hapd->iconf->ieee80211ac = 1;
847 else if (hapd->iconf->ch_switch_vht_config &
848 CH_SWITCH_VHT_DISABLED)
849 hapd->iconf->ieee80211ac = 0;
850 }
851 hapd->iconf->ch_switch_vht_config = 0;
852
853 hapd->iconf->secondary_channel = offset;
854 hapd->iconf->vht_oper_chwidth = chwidth;
855 hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
856 hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
857
858 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
859 hapd->iface->num_hw_features);
860
861 if (hapd->csa_in_progress &&
862 freq == hapd->cs_freq_params.freq) {
863 hostapd_cleanup_cs_params(hapd);
864 ieee802_11_set_beacon(hapd);
865
866 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
867 "freq=%d dfs=%d", freq, is_dfs);
868 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
869 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
870 "freq=%d dfs=%d", freq, is_dfs);
871 }
872
873 for (i = 0; i < hapd->iface->num_bss; i++)
874 hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
875 #endif /* NEED_AP_MLME */
876 }
877
878
hostapd_event_connect_failed_reason(struct hostapd_data * hapd,const u8 * addr,int reason_code)879 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
880 const u8 *addr, int reason_code)
881 {
882 switch (reason_code) {
883 case MAX_CLIENT_REACHED:
884 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
885 MAC2STR(addr));
886 break;
887 case BLOCKED_CLIENT:
888 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
889 MAC2STR(addr));
890 break;
891 }
892 }
893
894
895 #ifdef CONFIG_ACS
hostapd_acs_channel_selected(struct hostapd_data * hapd,struct acs_selected_channels * acs_res)896 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
897 struct acs_selected_channels *acs_res)
898 {
899 int ret, i;
900 int err = 0;
901
902 if (hapd->iconf->channel) {
903 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
904 hapd->iconf->channel);
905 return;
906 }
907
908 if (!hapd->iface->current_mode) {
909 for (i = 0; i < hapd->iface->num_hw_features; i++) {
910 struct hostapd_hw_modes *mode =
911 &hapd->iface->hw_features[i];
912
913 if (mode->mode == acs_res->hw_mode) {
914 hapd->iface->current_mode = mode;
915 break;
916 }
917 }
918 if (!hapd->iface->current_mode) {
919 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
920 HOSTAPD_LEVEL_WARNING,
921 "driver selected to bad hw_mode");
922 err = 1;
923 goto out;
924 }
925 }
926
927 hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
928
929 if (!acs_res->pri_channel) {
930 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
931 HOSTAPD_LEVEL_WARNING,
932 "driver switched to bad channel");
933 err = 1;
934 goto out;
935 }
936
937 hapd->iconf->channel = acs_res->pri_channel;
938 hapd->iconf->acs = 1;
939
940 if (acs_res->sec_channel == 0)
941 hapd->iconf->secondary_channel = 0;
942 else if (acs_res->sec_channel < acs_res->pri_channel)
943 hapd->iconf->secondary_channel = -1;
944 else if (acs_res->sec_channel > acs_res->pri_channel)
945 hapd->iconf->secondary_channel = 1;
946 else {
947 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
948 err = 1;
949 goto out;
950 }
951
952 if (hapd->iface->conf->ieee80211ac) {
953 /* set defaults for backwards compatibility */
954 hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
955 hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
956 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
957 if (acs_res->ch_width == 80) {
958 hapd->iconf->vht_oper_centr_freq_seg0_idx =
959 acs_res->vht_seg0_center_ch;
960 hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
961 } else if (acs_res->ch_width == 160) {
962 if (acs_res->vht_seg1_center_ch == 0) {
963 hapd->iconf->vht_oper_centr_freq_seg0_idx =
964 acs_res->vht_seg0_center_ch;
965 hapd->iconf->vht_oper_chwidth =
966 VHT_CHANWIDTH_160MHZ;
967 } else {
968 hapd->iconf->vht_oper_centr_freq_seg0_idx =
969 acs_res->vht_seg0_center_ch;
970 hapd->iconf->vht_oper_centr_freq_seg1_idx =
971 acs_res->vht_seg1_center_ch;
972 hapd->iconf->vht_oper_chwidth =
973 VHT_CHANWIDTH_80P80MHZ;
974 }
975 }
976 }
977
978 out:
979 ret = hostapd_acs_completed(hapd->iface, err);
980 if (ret) {
981 wpa_printf(MSG_ERROR,
982 "ACS: Possibly channel configuration is invalid");
983 }
984 }
985 #endif /* CONFIG_ACS */
986
987
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)988 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
989 const u8 *bssid, const u8 *ie, size_t ie_len,
990 int ssi_signal)
991 {
992 size_t i;
993 int ret = 0;
994
995 if (sa == NULL || ie == NULL)
996 return -1;
997
998 random_add_randomness(sa, ETH_ALEN);
999 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
1000 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
1001 sa, da, bssid, ie, ie_len,
1002 ssi_signal) > 0) {
1003 ret = 1;
1004 break;
1005 }
1006 }
1007 return ret;
1008 }
1009
1010
1011 #ifdef HOSTAPD
1012
1013 #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)1014 static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
1015 const u8 *bssid,
1016 u16 auth_transaction, u16 status,
1017 const u8 *ies, size_t ies_len)
1018 {
1019 struct hostapd_data *hapd = ctx;
1020 struct sta_info *sta;
1021
1022 sta = ap_get_sta(hapd, dst);
1023 if (sta == NULL)
1024 return;
1025
1026 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
1027 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
1028 sta->flags |= WLAN_STA_AUTH;
1029
1030 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
1031 }
1032 #endif /* CONFIG_IEEE80211R_AP */
1033
1034
1035 #ifdef CONFIG_FILS
hostapd_notify_auth_fils_finish(struct hostapd_data * hapd,struct sta_info * sta,u16 resp,struct wpabuf * data,int pub)1036 static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
1037 struct sta_info *sta, u16 resp,
1038 struct wpabuf *data, int pub)
1039 {
1040 if (resp == WLAN_STATUS_SUCCESS) {
1041 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1042 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
1043 sta->flags |= WLAN_STA_AUTH;
1044 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
1045 sta->auth_alg = WLAN_AUTH_FILS_SK;
1046 mlme_authenticate_indication(hapd, sta);
1047 } else {
1048 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1049 HOSTAPD_LEVEL_DEBUG,
1050 "authentication failed (FILS)");
1051 }
1052
1053 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1054 data ? wpabuf_head(data) : NULL,
1055 data ? wpabuf_len(data) : 0);
1056 wpabuf_free(data);
1057 }
1058 #endif /* CONFIG_FILS */
1059
1060
hostapd_notif_auth(struct hostapd_data * hapd,struct auth_info * rx_auth)1061 static void hostapd_notif_auth(struct hostapd_data *hapd,
1062 struct auth_info *rx_auth)
1063 {
1064 struct sta_info *sta;
1065 u16 status = WLAN_STATUS_SUCCESS;
1066 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1067 size_t resp_ies_len = 0;
1068
1069 sta = ap_get_sta(hapd, rx_auth->peer);
1070 if (!sta) {
1071 sta = ap_sta_add(hapd, rx_auth->peer);
1072 if (sta == NULL) {
1073 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1074 goto fail;
1075 }
1076 }
1077 sta->flags &= ~WLAN_STA_PREAUTH;
1078 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
1079 #ifdef CONFIG_IEEE80211R_AP
1080 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1081 sta->auth_alg = WLAN_AUTH_FT;
1082 if (sta->wpa_sm == NULL)
1083 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
1084 sta->addr, NULL);
1085 if (sta->wpa_sm == NULL) {
1086 wpa_printf(MSG_DEBUG,
1087 "FT: Failed to initialize WPA state machine");
1088 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1089 goto fail;
1090 }
1091 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1092 rx_auth->auth_transaction, rx_auth->ies,
1093 rx_auth->ies_len,
1094 hostapd_notify_auth_ft_finish, hapd);
1095 return;
1096 }
1097 #endif /* CONFIG_IEEE80211R_AP */
1098
1099 #ifdef CONFIG_FILS
1100 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1101 sta->auth_alg = WLAN_AUTH_FILS_SK;
1102 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1103 rx_auth->auth_type, rx_auth->auth_transaction,
1104 rx_auth->status_code,
1105 hostapd_notify_auth_fils_finish);
1106 return;
1107 }
1108 #endif /* CONFIG_FILS */
1109
1110 fail:
1111 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1112 status, resp_ies, resp_ies_len);
1113 }
1114
1115
1116 #ifndef NEED_AP_MLME
hostapd_action_rx(struct hostapd_data * hapd,struct rx_mgmt * drv_mgmt)1117 static void hostapd_action_rx(struct hostapd_data *hapd,
1118 struct rx_mgmt *drv_mgmt)
1119 {
1120 struct ieee80211_mgmt *mgmt;
1121 struct sta_info *sta;
1122 size_t plen __maybe_unused;
1123 u16 fc;
1124 u8 *action __maybe_unused;
1125
1126 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
1127 return;
1128
1129 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
1130
1131 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1132 fc = le_to_host16(mgmt->frame_control);
1133 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1134 return; /* handled by the driver */
1135
1136 action = (u8 *) &mgmt->u.action.u;
1137 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1138 " da " MACSTR " plen %d",
1139 mgmt->u.action.category, *action,
1140 MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
1141
1142 sta = ap_get_sta(hapd, mgmt->sa);
1143 if (sta == NULL) {
1144 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1145 return;
1146 }
1147 #ifdef CONFIG_IEEE80211R_AP
1148 if (mgmt->u.action.category == WLAN_ACTION_FT) {
1149 wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
1150 return;
1151 }
1152 #endif /* CONFIG_IEEE80211R_AP */
1153 #ifdef CONFIG_IEEE80211W
1154 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
1155 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
1156 return;
1157 }
1158 #endif /* CONFIG_IEEE80211W */
1159 #ifdef CONFIG_WNM_AP
1160 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1161 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
1162 return;
1163 }
1164 #endif /* CONFIG_WNM_AP */
1165 #ifdef CONFIG_FST
1166 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1167 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1168 return;
1169 }
1170 #endif /* CONFIG_FST */
1171 #ifdef CONFIG_DPP
1172 if (plen >= 2 + 4 &&
1173 mgmt->u.action.u.vs_public_action.action ==
1174 WLAN_PA_VENDOR_SPECIFIC &&
1175 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1176 OUI_WFA &&
1177 mgmt->u.action.u.vs_public_action.variable[0] ==
1178 DPP_OUI_TYPE) {
1179 const u8 *pos, *end;
1180
1181 pos = mgmt->u.action.u.vs_public_action.oui;
1182 end = drv_mgmt->frame + drv_mgmt->frame_len;
1183 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1184 drv_mgmt->freq);
1185 return;
1186 }
1187 #endif /* CONFIG_DPP */
1188 }
1189 #endif /* NEED_AP_MLME */
1190
1191
1192 #ifdef NEED_AP_MLME
1193
1194 #define HAPD_BROADCAST ((struct hostapd_data *) -1)
1195
get_hapd_bssid(struct hostapd_iface * iface,const u8 * bssid)1196 static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1197 const u8 *bssid)
1198 {
1199 size_t i;
1200
1201 if (bssid == NULL)
1202 return NULL;
1203 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1204 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1205 return HAPD_BROADCAST;
1206
1207 for (i = 0; i < iface->num_bss; i++) {
1208 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1209 return iface->bss[i];
1210 }
1211
1212 return NULL;
1213 }
1214
1215
hostapd_rx_from_unknown_sta(struct hostapd_data * hapd,const u8 * bssid,const u8 * addr,int wds)1216 static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
1217 const u8 *bssid, const u8 *addr,
1218 int wds)
1219 {
1220 hapd = get_hapd_bssid(hapd->iface, bssid);
1221 if (hapd == NULL || hapd == HAPD_BROADCAST)
1222 return;
1223
1224 ieee802_11_rx_from_unknown(hapd, addr, wds);
1225 }
1226
1227
hostapd_mgmt_rx(struct hostapd_data * hapd,struct rx_mgmt * rx_mgmt)1228 static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
1229 {
1230 struct hostapd_iface *iface = hapd->iface;
1231 const struct ieee80211_hdr *hdr;
1232 const u8 *bssid;
1233 struct hostapd_frame_info fi;
1234 int ret;
1235
1236 #ifdef CONFIG_TESTING_OPTIONS
1237 if (hapd->ext_mgmt_frame_handling) {
1238 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1239 char *hex = os_malloc(hex_len);
1240
1241 if (hex) {
1242 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1243 rx_mgmt->frame_len);
1244 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1245 os_free(hex);
1246 }
1247 return 1;
1248 }
1249 #endif /* CONFIG_TESTING_OPTIONS */
1250
1251 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1252 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1253 if (bssid == NULL)
1254 return 0;
1255
1256 hapd = get_hapd_bssid(iface, bssid);
1257 if (hapd == NULL) {
1258 u16 fc = le_to_host16(hdr->frame_control);
1259
1260 /*
1261 * Drop frames to unknown BSSIDs except for Beacon frames which
1262 * could be used to update neighbor information.
1263 */
1264 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1265 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1266 hapd = iface->bss[0];
1267 else
1268 return 0;
1269 }
1270
1271 os_memset(&fi, 0, sizeof(fi));
1272 fi.freq = rx_mgmt->freq;
1273 fi.datarate = rx_mgmt->datarate;
1274 fi.ssi_signal = rx_mgmt->ssi_signal;
1275
1276 if (hapd == HAPD_BROADCAST) {
1277 size_t i;
1278
1279 ret = 0;
1280 for (i = 0; i < iface->num_bss; i++) {
1281 /* if bss is set, driver will call this function for
1282 * each bss individually. */
1283 if (rx_mgmt->drv_priv &&
1284 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1285 continue;
1286
1287 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1288 rx_mgmt->frame_len, &fi) > 0)
1289 ret = 1;
1290 }
1291 } else
1292 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1293 &fi);
1294
1295 random_add_randomness(&fi, sizeof(fi));
1296
1297 return ret;
1298 }
1299
1300
hostapd_mgmt_tx_cb(struct hostapd_data * hapd,const u8 * buf,size_t len,u16 stype,int ok)1301 static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1302 size_t len, u16 stype, int ok)
1303 {
1304 struct ieee80211_hdr *hdr;
1305 struct hostapd_data *orig_hapd = hapd;
1306
1307 hdr = (struct ieee80211_hdr *) buf;
1308 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
1309 if (!hapd)
1310 return;
1311 if (hapd == HAPD_BROADCAST) {
1312 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1313 buf[24] != WLAN_ACTION_PUBLIC)
1314 return;
1315 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1316 if (!hapd || hapd == HAPD_BROADCAST)
1317 return;
1318 /*
1319 * Allow processing of TX status for a Public Action frame that
1320 * used wildcard BBSID.
1321 */
1322 }
1323 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1324 }
1325
1326 #endif /* NEED_AP_MLME */
1327
1328
hostapd_event_new_sta(struct hostapd_data * hapd,const u8 * addr)1329 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1330 {
1331 struct sta_info *sta = ap_get_sta(hapd, addr);
1332
1333 if (sta)
1334 return 0;
1335
1336 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1337 " - adding a new STA", MAC2STR(addr));
1338 sta = ap_sta_add(hapd, addr);
1339 if (sta) {
1340 hostapd_new_assoc_sta(hapd, sta, 0);
1341 } else {
1342 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1343 MAC2STR(addr));
1344 return -1;
1345 }
1346
1347 return 0;
1348 }
1349
1350
hostapd_event_eapol_rx(struct hostapd_data * hapd,const u8 * src,const u8 * data,size_t data_len)1351 static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1352 const u8 *data, size_t data_len)
1353 {
1354 struct hostapd_iface *iface = hapd->iface;
1355 struct sta_info *sta;
1356 size_t j;
1357
1358 for (j = 0; j < iface->num_bss; j++) {
1359 sta = ap_get_sta(iface->bss[j], src);
1360 if (sta && sta->flags & WLAN_STA_ASSOC) {
1361 hapd = iface->bss[j];
1362 break;
1363 }
1364 }
1365
1366 ieee802_1x_receive(hapd, src, data, data_len);
1367 }
1368
1369 #endif /* HOSTAPD */
1370
1371
hostapd_get_mode_channel(struct hostapd_iface * iface,unsigned int freq)1372 static struct hostapd_channel_data * hostapd_get_mode_channel(
1373 struct hostapd_iface *iface, unsigned int freq)
1374 {
1375 int i;
1376 struct hostapd_channel_data *chan;
1377
1378 for (i = 0; i < iface->current_mode->num_channels; i++) {
1379 chan = &iface->current_mode->channels[i];
1380 if ((unsigned int) chan->freq == freq)
1381 return chan;
1382 }
1383
1384 return NULL;
1385 }
1386
1387
hostapd_update_nf(struct hostapd_iface * iface,struct hostapd_channel_data * chan,struct freq_survey * survey)1388 static void hostapd_update_nf(struct hostapd_iface *iface,
1389 struct hostapd_channel_data *chan,
1390 struct freq_survey *survey)
1391 {
1392 if (!iface->chans_surveyed) {
1393 chan->min_nf = survey->nf;
1394 iface->lowest_nf = survey->nf;
1395 } else {
1396 if (dl_list_empty(&chan->survey_list))
1397 chan->min_nf = survey->nf;
1398 else if (survey->nf < chan->min_nf)
1399 chan->min_nf = survey->nf;
1400 if (survey->nf < iface->lowest_nf)
1401 iface->lowest_nf = survey->nf;
1402 }
1403 }
1404
1405
hostapd_single_channel_get_survey(struct hostapd_iface * iface,struct survey_results * survey_res)1406 static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1407 struct survey_results *survey_res)
1408 {
1409 struct hostapd_channel_data *chan;
1410 struct freq_survey *survey;
1411 u64 divisor, dividend;
1412
1413 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1414 list);
1415 if (!survey || !survey->freq)
1416 return;
1417
1418 chan = hostapd_get_mode_channel(iface, survey->freq);
1419 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1420 return;
1421
1422 wpa_printf(MSG_DEBUG,
1423 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1424 survey->freq,
1425 (unsigned long int) survey->channel_time,
1426 (unsigned long int) survey->channel_time_busy);
1427
1428 if (survey->channel_time > iface->last_channel_time &&
1429 survey->channel_time > survey->channel_time_busy) {
1430 dividend = survey->channel_time_busy -
1431 iface->last_channel_time_busy;
1432 divisor = survey->channel_time - iface->last_channel_time;
1433
1434 iface->channel_utilization = dividend * 255 / divisor;
1435 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1436 iface->channel_utilization);
1437 }
1438 iface->last_channel_time = survey->channel_time;
1439 iface->last_channel_time_busy = survey->channel_time_busy;
1440 }
1441
1442
hostapd_event_get_survey(struct hostapd_iface * iface,struct survey_results * survey_results)1443 void hostapd_event_get_survey(struct hostapd_iface *iface,
1444 struct survey_results *survey_results)
1445 {
1446 struct freq_survey *survey, *tmp;
1447 struct hostapd_channel_data *chan;
1448
1449 if (dl_list_empty(&survey_results->survey_list)) {
1450 wpa_printf(MSG_DEBUG, "No survey data received");
1451 return;
1452 }
1453
1454 if (survey_results->freq_filter) {
1455 hostapd_single_channel_get_survey(iface, survey_results);
1456 return;
1457 }
1458
1459 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1460 struct freq_survey, list) {
1461 chan = hostapd_get_mode_channel(iface, survey->freq);
1462 if (!chan)
1463 continue;
1464 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1465 continue;
1466
1467 dl_list_del(&survey->list);
1468 dl_list_add_tail(&chan->survey_list, &survey->list);
1469
1470 hostapd_update_nf(iface, chan, survey);
1471
1472 iface->chans_surveyed++;
1473 }
1474 }
1475
1476
1477 #ifdef HOSTAPD
1478 #ifdef NEED_AP_MLME
1479
hostapd_event_iface_unavailable(struct hostapd_data * hapd)1480 static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1481 {
1482 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1483 hapd->conf->iface);
1484
1485 if (hapd->csa_in_progress) {
1486 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1487 hapd->conf->iface);
1488 hostapd_switch_channel_fallback(hapd->iface,
1489 &hapd->cs_freq_params);
1490 }
1491 }
1492
1493
hostapd_event_dfs_radar_detected(struct hostapd_data * hapd,struct dfs_event * radar)1494 static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1495 struct dfs_event *radar)
1496 {
1497 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1498 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1499 radar->chan_offset, radar->chan_width,
1500 radar->cf1, radar->cf2);
1501 }
1502
1503
hostapd_event_dfs_pre_cac_expired(struct hostapd_data * hapd,struct dfs_event * radar)1504 static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1505 struct dfs_event *radar)
1506 {
1507 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1508 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1509 radar->chan_offset, radar->chan_width,
1510 radar->cf1, radar->cf2);
1511 }
1512
1513
hostapd_event_dfs_cac_finished(struct hostapd_data * hapd,struct dfs_event * radar)1514 static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1515 struct dfs_event *radar)
1516 {
1517 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1518 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1519 radar->chan_offset, radar->chan_width,
1520 radar->cf1, radar->cf2);
1521 }
1522
1523
hostapd_event_dfs_cac_aborted(struct hostapd_data * hapd,struct dfs_event * radar)1524 static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1525 struct dfs_event *radar)
1526 {
1527 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1528 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1529 radar->chan_offset, radar->chan_width,
1530 radar->cf1, radar->cf2);
1531 }
1532
1533
hostapd_event_dfs_nop_finished(struct hostapd_data * hapd,struct dfs_event * radar)1534 static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1535 struct dfs_event *radar)
1536 {
1537 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1538 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1539 radar->chan_offset, radar->chan_width,
1540 radar->cf1, radar->cf2);
1541 }
1542
1543
hostapd_event_dfs_cac_started(struct hostapd_data * hapd,struct dfs_event * radar)1544 static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1545 struct dfs_event *radar)
1546 {
1547 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1548 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1549 radar->chan_offset, radar->chan_width,
1550 radar->cf1, radar->cf2);
1551 }
1552
1553 #endif /* NEED_AP_MLME */
1554
1555
hostapd_event_wds_sta_interface_status(struct hostapd_data * hapd,int istatus,const char * ifname,const u8 * addr)1556 static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1557 int istatus,
1558 const char *ifname,
1559 const u8 *addr)
1560 {
1561 struct sta_info *sta = ap_get_sta(hapd, addr);
1562
1563 if (sta) {
1564 os_free(sta->ifname_wds);
1565 if (istatus == INTERFACE_ADDED)
1566 sta->ifname_wds = os_strdup(ifname);
1567 else
1568 sta->ifname_wds = NULL;
1569 }
1570
1571 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1572 istatus == INTERFACE_ADDED ?
1573 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1574 ifname, MAC2STR(addr));
1575 }
1576
1577
wpa_supplicant_event(void * ctx,enum wpa_event_type event,union wpa_event_data * data)1578 void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1579 union wpa_event_data *data)
1580 {
1581 struct hostapd_data *hapd = ctx;
1582 #ifndef CONFIG_NO_STDOUT_DEBUG
1583 int level = MSG_DEBUG;
1584
1585 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1586 data->rx_mgmt.frame_len >= 24) {
1587 const struct ieee80211_hdr *hdr;
1588 u16 fc;
1589
1590 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1591 fc = le_to_host16(hdr->frame_control);
1592 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1593 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1594 level = MSG_EXCESSIVE;
1595 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1596 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1597 level = MSG_EXCESSIVE;
1598 }
1599
1600 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1601 event_to_string(event), event);
1602 #endif /* CONFIG_NO_STDOUT_DEBUG */
1603
1604 switch (event) {
1605 case EVENT_MICHAEL_MIC_FAILURE:
1606 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1607 break;
1608 case EVENT_SCAN_RESULTS:
1609 if (hapd->iface->scan_cb)
1610 hapd->iface->scan_cb(hapd->iface);
1611 break;
1612 case EVENT_WPS_BUTTON_PUSHED:
1613 hostapd_wps_button_pushed(hapd, NULL);
1614 break;
1615 #ifdef NEED_AP_MLME
1616 case EVENT_TX_STATUS:
1617 switch (data->tx_status.type) {
1618 case WLAN_FC_TYPE_MGMT:
1619 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1620 data->tx_status.data_len,
1621 data->tx_status.stype,
1622 data->tx_status.ack);
1623 break;
1624 case WLAN_FC_TYPE_DATA:
1625 hostapd_tx_status(hapd, data->tx_status.dst,
1626 data->tx_status.data,
1627 data->tx_status.data_len,
1628 data->tx_status.ack);
1629 break;
1630 }
1631 break;
1632 case EVENT_EAPOL_TX_STATUS:
1633 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1634 data->eapol_tx_status.data,
1635 data->eapol_tx_status.data_len,
1636 data->eapol_tx_status.ack);
1637 break;
1638 case EVENT_DRIVER_CLIENT_POLL_OK:
1639 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1640 break;
1641 case EVENT_RX_FROM_UNKNOWN:
1642 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1643 data->rx_from_unknown.addr,
1644 data->rx_from_unknown.wds);
1645 break;
1646 #endif /* NEED_AP_MLME */
1647 case EVENT_RX_MGMT:
1648 if (!data->rx_mgmt.frame)
1649 break;
1650 #ifdef NEED_AP_MLME
1651 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
1652 #else /* NEED_AP_MLME */
1653 hostapd_action_rx(hapd, &data->rx_mgmt);
1654 #endif /* NEED_AP_MLME */
1655 break;
1656 case EVENT_RX_PROBE_REQ:
1657 if (data->rx_probe_req.sa == NULL ||
1658 data->rx_probe_req.ie == NULL)
1659 break;
1660 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1661 data->rx_probe_req.da,
1662 data->rx_probe_req.bssid,
1663 data->rx_probe_req.ie,
1664 data->rx_probe_req.ie_len,
1665 data->rx_probe_req.ssi_signal);
1666 break;
1667 case EVENT_NEW_STA:
1668 hostapd_event_new_sta(hapd, data->new_sta.addr);
1669 break;
1670 case EVENT_EAPOL_RX:
1671 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1672 data->eapol_rx.data,
1673 data->eapol_rx.data_len);
1674 break;
1675 case EVENT_ASSOC:
1676 if (!data)
1677 return;
1678 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1679 data->assoc_info.req_ies,
1680 data->assoc_info.req_ies_len,
1681 data->assoc_info.reassoc);
1682 break;
1683 case EVENT_DISASSOC:
1684 if (data)
1685 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1686 break;
1687 case EVENT_DEAUTH:
1688 if (data)
1689 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1690 break;
1691 case EVENT_STATION_LOW_ACK:
1692 if (!data)
1693 break;
1694 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1695 break;
1696 case EVENT_AUTH:
1697 hostapd_notif_auth(hapd, &data->auth);
1698 break;
1699 case EVENT_CH_SWITCH:
1700 if (!data)
1701 break;
1702 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1703 data->ch_switch.ht_enabled,
1704 data->ch_switch.ch_offset,
1705 data->ch_switch.ch_width,
1706 data->ch_switch.cf1,
1707 data->ch_switch.cf2);
1708 break;
1709 case EVENT_CONNECT_FAILED_REASON:
1710 if (!data)
1711 break;
1712 hostapd_event_connect_failed_reason(
1713 hapd, data->connect_failed_reason.addr,
1714 data->connect_failed_reason.code);
1715 break;
1716 case EVENT_SURVEY:
1717 hostapd_event_get_survey(hapd->iface, &data->survey_results);
1718 break;
1719 #ifdef NEED_AP_MLME
1720 case EVENT_INTERFACE_UNAVAILABLE:
1721 hostapd_event_iface_unavailable(hapd);
1722 break;
1723 case EVENT_DFS_RADAR_DETECTED:
1724 if (!data)
1725 break;
1726 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1727 break;
1728 case EVENT_DFS_PRE_CAC_EXPIRED:
1729 if (!data)
1730 break;
1731 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
1732 break;
1733 case EVENT_DFS_CAC_FINISHED:
1734 if (!data)
1735 break;
1736 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1737 break;
1738 case EVENT_DFS_CAC_ABORTED:
1739 if (!data)
1740 break;
1741 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1742 break;
1743 case EVENT_DFS_NOP_FINISHED:
1744 if (!data)
1745 break;
1746 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1747 break;
1748 case EVENT_CHANNEL_LIST_CHANGED:
1749 /* channel list changed (regulatory?), update channel list */
1750 /* TODO: check this. hostapd_get_hw_features() initializes
1751 * too much stuff. */
1752 /* hostapd_get_hw_features(hapd->iface); */
1753 hostapd_channel_list_updated(
1754 hapd->iface, data->channel_list_changed.initiator);
1755 break;
1756 case EVENT_DFS_CAC_STARTED:
1757 if (!data)
1758 break;
1759 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1760 break;
1761 #endif /* NEED_AP_MLME */
1762 case EVENT_INTERFACE_ENABLED:
1763 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1764 if (hapd->disabled && hapd->started) {
1765 hapd->disabled = 0;
1766 /*
1767 * Try to re-enable interface if the driver stopped it
1768 * when the interface got disabled.
1769 */
1770 if (hapd->wpa_auth)
1771 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1772 else
1773 hostapd_reconfig_encryption(hapd);
1774 hapd->reenable_beacon = 1;
1775 ieee802_11_set_beacon(hapd);
1776 #ifdef NEED_AP_MLME
1777 } else if (hapd->disabled && hapd->iface->cac_started) {
1778 wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
1779 hostapd_handle_dfs(hapd->iface);
1780 #endif /* NEED_AP_MLME */
1781 }
1782 break;
1783 case EVENT_INTERFACE_DISABLED:
1784 hostapd_free_stas(hapd);
1785 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1786 hapd->disabled = 1;
1787 break;
1788 #ifdef CONFIG_ACS
1789 case EVENT_ACS_CHANNEL_SELECTED:
1790 hostapd_acs_channel_selected(hapd,
1791 &data->acs_selected_channels);
1792 break;
1793 #endif /* CONFIG_ACS */
1794 case EVENT_STATION_OPMODE_CHANGED:
1795 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
1796 data->sta_opmode.smps_mode,
1797 data->sta_opmode.chan_width,
1798 data->sta_opmode.rx_nss);
1799 break;
1800 case EVENT_WDS_STA_INTERFACE_STATUS:
1801 hostapd_event_wds_sta_interface_status(
1802 hapd, data->wds_sta_interface.istatus,
1803 data->wds_sta_interface.ifname,
1804 data->wds_sta_interface.sta_addr);
1805 break;
1806 default:
1807 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1808 break;
1809 }
1810 }
1811
1812
wpa_supplicant_event_global(void * ctx,enum wpa_event_type event,union wpa_event_data * data)1813 void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
1814 union wpa_event_data *data)
1815 {
1816 struct hapd_interfaces *interfaces = ctx;
1817 struct hostapd_data *hapd;
1818
1819 if (event != EVENT_INTERFACE_STATUS)
1820 return;
1821
1822 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
1823 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
1824 hapd->drv_priv) {
1825 unsigned int ifindex;
1826
1827 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
1828 if (ifindex != data->interface_status.ifindex) {
1829 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1830 "interface status ifindex %d mismatch (%d)",
1831 ifindex, data->interface_status.ifindex);
1832 return;
1833 }
1834 }
1835 if (hapd)
1836 wpa_supplicant_event(hapd, event, data);
1837 }
1838
1839 #endif /* HOSTAPD */
1840