Line data Source code
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 "crypto/random.h"
19 : #include "p2p/p2p.h"
20 : #include "wps/wps.h"
21 : #include "fst/fst.h"
22 : #include "wnm_ap.h"
23 : #include "hostapd.h"
24 : #include "ieee802_11.h"
25 : #include "ieee802_11_auth.h"
26 : #include "sta_info.h"
27 : #include "accounting.h"
28 : #include "tkip_countermeasures.h"
29 : #include "ieee802_1x.h"
30 : #include "wpa_auth.h"
31 : #include "wps_hostapd.h"
32 : #include "ap_drv_ops.h"
33 : #include "ap_config.h"
34 : #include "hw_features.h"
35 : #include "dfs.h"
36 : #include "beacon.h"
37 : #include "mbo_ap.h"
38 :
39 :
40 0 : int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
41 : const u8 *req_ies, size_t req_ies_len, int reassoc)
42 : {
43 : struct sta_info *sta;
44 : int new_assoc, res;
45 : struct ieee802_11_elems elems;
46 : const u8 *ie;
47 : size_t ielen;
48 : #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
49 : u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
50 0 : u8 *p = buf;
51 : #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
52 0 : u16 reason = WLAN_REASON_UNSPECIFIED;
53 0 : u16 status = WLAN_STATUS_SUCCESS;
54 0 : const u8 *p2p_dev_addr = NULL;
55 :
56 0 : if (addr == NULL) {
57 : /*
58 : * This could potentially happen with unexpected event from the
59 : * driver wrapper. This was seen at least in one case where the
60 : * driver ended up being set to station mode while hostapd was
61 : * running, so better make sure we stop processing such an
62 : * event here.
63 : */
64 0 : wpa_printf(MSG_DEBUG,
65 : "hostapd_notif_assoc: Skip event with no address");
66 0 : return -1;
67 : }
68 : random_add_randomness(addr, ETH_ALEN);
69 :
70 0 : hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
71 : HOSTAPD_LEVEL_INFO, "associated");
72 :
73 0 : ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
74 0 : if (elems.wps_ie) {
75 0 : ie = elems.wps_ie - 2;
76 0 : ielen = elems.wps_ie_len + 2;
77 0 : wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
78 0 : } else if (elems.rsn_ie) {
79 0 : ie = elems.rsn_ie - 2;
80 0 : ielen = elems.rsn_ie_len + 2;
81 0 : wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
82 0 : } else if (elems.wpa_ie) {
83 0 : ie = elems.wpa_ie - 2;
84 0 : ielen = elems.wpa_ie_len + 2;
85 0 : wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
86 : #ifdef CONFIG_HS20
87 0 : } else if (elems.osen) {
88 0 : ie = elems.osen - 2;
89 0 : ielen = elems.osen_len + 2;
90 0 : wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
91 : #endif /* CONFIG_HS20 */
92 : } else {
93 0 : ie = NULL;
94 0 : ielen = 0;
95 0 : wpa_printf(MSG_DEBUG,
96 : "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
97 : }
98 :
99 0 : sta = ap_get_sta(hapd, addr);
100 0 : if (sta) {
101 0 : ap_sta_no_session_timeout(hapd, sta);
102 0 : accounting_sta_stop(hapd, sta);
103 :
104 : /*
105 : * Make sure that the previously registered inactivity timer
106 : * will not remove the STA immediately.
107 : */
108 0 : sta->timeout_next = STA_NULLFUNC;
109 : } else {
110 0 : sta = ap_sta_add(hapd, addr);
111 0 : if (sta == NULL) {
112 0 : hostapd_drv_sta_disassoc(hapd, addr,
113 : WLAN_REASON_DISASSOC_AP_BUSY);
114 0 : return -1;
115 : }
116 : }
117 0 : sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
118 :
119 : /*
120 : * ACL configurations to the drivers (implementing AP SME and ACL
121 : * offload) without hostapd's knowledge, can result in a disconnection
122 : * though the driver accepts the connection. Skip the hostapd check for
123 : * ACL if the driver supports ACL offload to avoid potentially
124 : * conflicting ACL rules.
125 : */
126 0 : if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
127 0 : hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
128 0 : wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
129 0 : MAC2STR(addr));
130 0 : reason = WLAN_REASON_UNSPECIFIED;
131 0 : goto fail;
132 : }
133 :
134 : #ifdef CONFIG_P2P
135 0 : if (elems.p2p) {
136 0 : wpabuf_free(sta->p2p_ie);
137 0 : sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
138 : P2P_IE_VENDOR_TYPE);
139 0 : if (sta->p2p_ie)
140 0 : p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
141 : }
142 : #endif /* CONFIG_P2P */
143 :
144 : #ifdef CONFIG_IEEE80211N
145 : #ifdef NEED_AP_MLME
146 0 : if (elems.ht_capabilities &&
147 0 : (hapd->iface->conf->ht_capab &
148 : HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
149 0 : struct ieee80211_ht_capabilities *ht_cap =
150 : (struct ieee80211_ht_capabilities *)
151 : elems.ht_capabilities;
152 :
153 0 : if (le_to_host16(ht_cap->ht_capabilities_info) &
154 : HT_CAP_INFO_40MHZ_INTOLERANT)
155 0 : ht40_intolerant_add(hapd->iface, sta);
156 : }
157 : #endif /* NEED_AP_MLME */
158 : #endif /* CONFIG_IEEE80211N */
159 :
160 : #ifdef CONFIG_INTERWORKING
161 0 : if (elems.ext_capab && elems.ext_capab_len > 4) {
162 0 : if (elems.ext_capab[4] & 0x01)
163 0 : sta->qos_map_enabled = 1;
164 : }
165 : #endif /* CONFIG_INTERWORKING */
166 :
167 : #ifdef CONFIG_HS20
168 0 : wpabuf_free(sta->hs20_ie);
169 0 : if (elems.hs20 && elems.hs20_len > 4) {
170 0 : sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
171 0 : elems.hs20_len - 4);
172 : } else
173 0 : sta->hs20_ie = NULL;
174 : #endif /* CONFIG_HS20 */
175 :
176 : #ifdef CONFIG_FST
177 0 : wpabuf_free(sta->mb_ies);
178 0 : if (hapd->iface->fst)
179 0 : sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
180 : else
181 0 : sta->mb_ies = NULL;
182 : #endif /* CONFIG_FST */
183 :
184 0 : mbo_ap_check_sta_assoc(hapd, sta, &elems);
185 :
186 0 : ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
187 0 : elems.supp_op_classes_len);
188 :
189 0 : if (hapd->conf->wpa) {
190 0 : if (ie == NULL || ielen == 0) {
191 : #ifdef CONFIG_WPS
192 0 : if (hapd->conf->wps_state) {
193 0 : wpa_printf(MSG_DEBUG,
194 : "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
195 0 : sta->flags |= WLAN_STA_MAYBE_WPS;
196 0 : goto skip_wpa_check;
197 : }
198 : #endif /* CONFIG_WPS */
199 :
200 0 : wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
201 0 : return -1;
202 : }
203 : #ifdef CONFIG_WPS
204 0 : if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
205 0 : os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
206 : struct wpabuf *wps;
207 :
208 0 : sta->flags |= WLAN_STA_WPS;
209 0 : wps = ieee802_11_vendor_ie_concat(ie, ielen,
210 : WPS_IE_VENDOR_TYPE);
211 0 : if (wps) {
212 0 : if (wps_is_20(wps)) {
213 0 : wpa_printf(MSG_DEBUG,
214 : "WPS: STA supports WPS 2.0");
215 0 : sta->flags |= WLAN_STA_WPS2;
216 : }
217 0 : wpabuf_free(wps);
218 : }
219 0 : goto skip_wpa_check;
220 : }
221 : #endif /* CONFIG_WPS */
222 :
223 0 : if (sta->wpa_sm == NULL)
224 0 : sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
225 0 : sta->addr,
226 : p2p_dev_addr);
227 0 : if (sta->wpa_sm == NULL) {
228 0 : wpa_printf(MSG_ERROR,
229 : "Failed to initialize WPA state machine");
230 0 : return -1;
231 : }
232 0 : res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
233 : ie, ielen,
234 0 : elems.mdie, elems.mdie_len);
235 0 : if (res != WPA_IE_OK) {
236 0 : wpa_printf(MSG_DEBUG,
237 : "WPA/RSN information element rejected? (res %u)",
238 : res);
239 0 : wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
240 0 : if (res == WPA_INVALID_GROUP) {
241 0 : reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
242 0 : status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
243 0 : } else if (res == WPA_INVALID_PAIRWISE) {
244 0 : reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
245 0 : status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
246 0 : } else if (res == WPA_INVALID_AKMP) {
247 0 : reason = WLAN_REASON_AKMP_NOT_VALID;
248 0 : status = WLAN_STATUS_AKMP_NOT_VALID;
249 : }
250 : #ifdef CONFIG_IEEE80211W
251 0 : else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
252 0 : reason = WLAN_REASON_INVALID_IE;
253 0 : status = WLAN_STATUS_INVALID_IE;
254 0 : } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
255 0 : reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
256 0 : status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
257 : }
258 : #endif /* CONFIG_IEEE80211W */
259 : else {
260 0 : reason = WLAN_REASON_INVALID_IE;
261 0 : status = WLAN_STATUS_INVALID_IE;
262 : }
263 0 : goto fail;
264 : }
265 : #ifdef CONFIG_IEEE80211W
266 0 : if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
267 0 : sta->sa_query_count > 0)
268 0 : ap_check_sa_query_timeout(hapd, sta);
269 0 : if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
270 0 : (sta->auth_alg != WLAN_AUTH_FT)) {
271 : /*
272 : * STA has already been associated with MFP and SA
273 : * Query timeout has not been reached. Reject the
274 : * association attempt temporarily and start SA Query,
275 : * if one is not pending.
276 : */
277 :
278 0 : if (sta->sa_query_count == 0)
279 0 : ap_sta_start_sa_query(hapd, sta);
280 :
281 0 : status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
282 :
283 0 : p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
284 :
285 0 : hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
286 0 : p - buf);
287 0 : return 0;
288 : }
289 :
290 0 : if (wpa_auth_uses_mfp(sta->wpa_sm))
291 0 : sta->flags |= WLAN_STA_MFP;
292 : else
293 0 : sta->flags &= ~WLAN_STA_MFP;
294 : #endif /* CONFIG_IEEE80211W */
295 :
296 : #ifdef CONFIG_IEEE80211R
297 0 : if (sta->auth_alg == WLAN_AUTH_FT) {
298 0 : status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
299 : req_ies_len);
300 0 : if (status != WLAN_STATUS_SUCCESS) {
301 0 : if (status == WLAN_STATUS_INVALID_PMKID)
302 0 : reason = WLAN_REASON_INVALID_IE;
303 0 : if (status == WLAN_STATUS_INVALID_MDIE)
304 0 : reason = WLAN_REASON_INVALID_IE;
305 0 : if (status == WLAN_STATUS_INVALID_FTIE)
306 0 : reason = WLAN_REASON_INVALID_IE;
307 0 : goto fail;
308 : }
309 : }
310 : #endif /* CONFIG_IEEE80211R */
311 0 : } else if (hapd->conf->wps_state) {
312 : #ifdef CONFIG_WPS
313 : struct wpabuf *wps;
314 :
315 0 : if (req_ies)
316 0 : wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
317 : WPS_IE_VENDOR_TYPE);
318 : else
319 0 : wps = NULL;
320 : #ifdef CONFIG_WPS_STRICT
321 : if (wps && wps_validate_assoc_req(wps) < 0) {
322 : reason = WLAN_REASON_INVALID_IE;
323 : status = WLAN_STATUS_INVALID_IE;
324 : wpabuf_free(wps);
325 : goto fail;
326 : }
327 : #endif /* CONFIG_WPS_STRICT */
328 0 : if (wps) {
329 0 : sta->flags |= WLAN_STA_WPS;
330 0 : if (wps_is_20(wps)) {
331 0 : wpa_printf(MSG_DEBUG,
332 : "WPS: STA supports WPS 2.0");
333 0 : sta->flags |= WLAN_STA_WPS2;
334 : }
335 : } else
336 0 : sta->flags |= WLAN_STA_MAYBE_WPS;
337 0 : wpabuf_free(wps);
338 : #endif /* CONFIG_WPS */
339 : #ifdef CONFIG_HS20
340 0 : } else if (hapd->conf->osen) {
341 0 : if (elems.osen == NULL) {
342 0 : hostapd_logger(
343 0 : hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
344 : HOSTAPD_LEVEL_INFO,
345 : "No HS 2.0 OSEN element in association request");
346 0 : return WLAN_STATUS_INVALID_IE;
347 : }
348 :
349 0 : wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
350 0 : if (sta->wpa_sm == NULL)
351 0 : sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
352 0 : sta->addr, NULL);
353 0 : if (sta->wpa_sm == NULL) {
354 0 : wpa_printf(MSG_WARNING,
355 : "Failed to initialize WPA state machine");
356 0 : return WLAN_STATUS_UNSPECIFIED_FAILURE;
357 : }
358 0 : if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
359 0 : elems.osen - 2, elems.osen_len + 2) < 0)
360 0 : return WLAN_STATUS_INVALID_IE;
361 : #endif /* CONFIG_HS20 */
362 : }
363 :
364 : #ifdef CONFIG_MBO
365 0 : if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
366 0 : elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
367 0 : hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
368 0 : wpa_printf(MSG_INFO,
369 : "MBO: Reject WPA2 association without PMF");
370 0 : return WLAN_STATUS_UNSPECIFIED_FAILURE;
371 : }
372 : #endif /* CONFIG_MBO */
373 :
374 : #ifdef CONFIG_WPS
375 : skip_wpa_check:
376 : #endif /* CONFIG_WPS */
377 :
378 : #ifdef CONFIG_IEEE80211R
379 0 : p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
380 0 : sta->auth_alg, req_ies, req_ies_len);
381 :
382 0 : hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
383 :
384 0 : if (sta->auth_alg == WLAN_AUTH_FT)
385 0 : ap_sta_set_authorized(hapd, sta, 1);
386 : #else /* CONFIG_IEEE80211R */
387 : /* Keep compiler silent about unused variables */
388 : if (status) {
389 : }
390 : #endif /* CONFIG_IEEE80211R */
391 :
392 0 : new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
393 0 : sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
394 0 : sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
395 :
396 0 : hostapd_set_sta_flags(hapd, sta);
397 :
398 0 : if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
399 0 : wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
400 : else
401 0 : wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
402 :
403 0 : hostapd_new_assoc_sta(hapd, sta, !new_assoc);
404 :
405 0 : ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
406 :
407 : #ifdef CONFIG_P2P
408 0 : if (req_ies) {
409 0 : p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
410 : req_ies, req_ies_len);
411 : }
412 : #endif /* CONFIG_P2P */
413 :
414 0 : return 0;
415 :
416 : fail:
417 : #ifdef CONFIG_IEEE80211R
418 0 : hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
419 : #endif /* CONFIG_IEEE80211R */
420 0 : hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
421 0 : ap_free_sta(hapd, sta);
422 0 : return -1;
423 : }
424 :
425 :
426 0 : void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
427 : {
428 : struct sta_info *sta;
429 :
430 0 : if (addr == NULL) {
431 : /*
432 : * This could potentially happen with unexpected event from the
433 : * driver wrapper. This was seen at least in one case where the
434 : * driver ended up reporting a station mode event while hostapd
435 : * was running, so better make sure we stop processing such an
436 : * event here.
437 : */
438 0 : wpa_printf(MSG_DEBUG,
439 : "hostapd_notif_disassoc: Skip event with no address");
440 0 : return;
441 : }
442 :
443 0 : hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
444 : HOSTAPD_LEVEL_INFO, "disassociated");
445 :
446 0 : sta = ap_get_sta(hapd, addr);
447 0 : if (sta == NULL) {
448 0 : wpa_printf(MSG_DEBUG,
449 : "Disassociation notification for unknown STA "
450 0 : MACSTR, MAC2STR(addr));
451 0 : return;
452 : }
453 :
454 0 : ap_sta_set_authorized(hapd, sta, 0);
455 0 : sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
456 0 : wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
457 0 : sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
458 0 : ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
459 0 : ap_free_sta(hapd, sta);
460 : }
461 :
462 :
463 0 : void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
464 : {
465 0 : struct sta_info *sta = ap_get_sta(hapd, addr);
466 :
467 0 : if (!sta || !hapd->conf->disassoc_low_ack)
468 0 : return;
469 :
470 0 : hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
471 : HOSTAPD_LEVEL_INFO,
472 : "disconnected due to excessive missing ACKs");
473 0 : hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
474 0 : if (sta)
475 0 : ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
476 : }
477 :
478 :
479 23 : void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
480 : int offset, int width, int cf1, int cf2)
481 : {
482 : #ifdef NEED_AP_MLME
483 : int channel, chwidth, is_dfs;
484 23 : u8 seg0_idx = 0, seg1_idx = 0;
485 :
486 23 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
487 : HOSTAPD_LEVEL_INFO,
488 : "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
489 : freq, ht, offset, width, channel_width_to_string(width),
490 : cf1, cf2);
491 :
492 23 : hapd->iface->freq = freq;
493 :
494 23 : channel = hostapd_hw_get_channel(hapd, freq);
495 23 : if (!channel) {
496 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
497 : HOSTAPD_LEVEL_WARNING,
498 : "driver switched to bad channel!");
499 23 : return;
500 : }
501 :
502 23 : switch (width) {
503 : case CHAN_WIDTH_80:
504 1 : chwidth = VHT_CHANWIDTH_80MHZ;
505 1 : break;
506 : case CHAN_WIDTH_80P80:
507 0 : chwidth = VHT_CHANWIDTH_80P80MHZ;
508 0 : break;
509 : case CHAN_WIDTH_160:
510 0 : chwidth = VHT_CHANWIDTH_160MHZ;
511 0 : break;
512 : case CHAN_WIDTH_20_NOHT:
513 : case CHAN_WIDTH_20:
514 : case CHAN_WIDTH_40:
515 : default:
516 22 : chwidth = VHT_CHANWIDTH_USE_HT;
517 22 : break;
518 : }
519 :
520 23 : switch (hapd->iface->current_mode->mode) {
521 : case HOSTAPD_MODE_IEEE80211A:
522 10 : if (cf1 > 5000)
523 10 : seg0_idx = (cf1 - 5000) / 5;
524 10 : if (cf2 > 5000)
525 0 : seg1_idx = (cf2 - 5000) / 5;
526 10 : break;
527 : default:
528 13 : ieee80211_freq_to_chan(cf1, &seg0_idx);
529 13 : ieee80211_freq_to_chan(cf2, &seg1_idx);
530 13 : break;
531 : }
532 :
533 23 : hapd->iconf->channel = channel;
534 23 : hapd->iconf->ieee80211n = ht;
535 23 : if (!ht)
536 13 : hapd->iconf->ieee80211ac = 0;
537 23 : hapd->iconf->secondary_channel = offset;
538 23 : hapd->iconf->vht_oper_chwidth = chwidth;
539 23 : hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
540 23 : hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
541 :
542 23 : is_dfs = ieee80211_is_dfs(freq);
543 :
544 46 : if (hapd->csa_in_progress &&
545 23 : freq == hapd->cs_freq_params.freq) {
546 23 : hostapd_cleanup_cs_params(hapd);
547 23 : ieee802_11_set_beacon(hapd);
548 :
549 23 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
550 : "freq=%d dfs=%d", freq, is_dfs);
551 0 : } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
552 0 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
553 : "freq=%d dfs=%d", freq, is_dfs);
554 : }
555 : #endif /* NEED_AP_MLME */
556 : }
557 :
558 :
559 0 : void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
560 : const u8 *addr, int reason_code)
561 : {
562 0 : switch (reason_code) {
563 : case MAX_CLIENT_REACHED:
564 0 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
565 0 : MAC2STR(addr));
566 0 : break;
567 : case BLOCKED_CLIENT:
568 0 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
569 0 : MAC2STR(addr));
570 0 : break;
571 : }
572 0 : }
573 :
574 :
575 : #ifdef CONFIG_ACS
576 0 : void hostapd_acs_channel_selected(struct hostapd_data *hapd,
577 : struct acs_selected_channels *acs_res)
578 : {
579 : int ret, i;
580 0 : int err = 0;
581 :
582 0 : if (hapd->iconf->channel) {
583 0 : wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
584 0 : hapd->iconf->channel);
585 0 : return;
586 : }
587 :
588 0 : if (!hapd->iface->current_mode) {
589 0 : for (i = 0; i < hapd->iface->num_hw_features; i++) {
590 0 : struct hostapd_hw_modes *mode =
591 0 : &hapd->iface->hw_features[i];
592 :
593 0 : if (mode->mode == acs_res->hw_mode) {
594 0 : hapd->iface->current_mode = mode;
595 0 : break;
596 : }
597 : }
598 0 : if (!hapd->iface->current_mode) {
599 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
600 : HOSTAPD_LEVEL_WARNING,
601 : "driver selected to bad hw_mode");
602 0 : err = 1;
603 0 : goto out;
604 : }
605 : }
606 :
607 0 : hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
608 :
609 0 : if (!acs_res->pri_channel) {
610 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
611 : HOSTAPD_LEVEL_WARNING,
612 : "driver switched to bad channel");
613 0 : err = 1;
614 0 : goto out;
615 : }
616 :
617 0 : hapd->iconf->channel = acs_res->pri_channel;
618 0 : hapd->iconf->acs = 1;
619 :
620 0 : if (acs_res->sec_channel == 0)
621 0 : hapd->iconf->secondary_channel = 0;
622 0 : else if (acs_res->sec_channel < acs_res->pri_channel)
623 0 : hapd->iconf->secondary_channel = -1;
624 0 : else if (acs_res->sec_channel > acs_res->pri_channel)
625 0 : hapd->iconf->secondary_channel = 1;
626 : else {
627 0 : wpa_printf(MSG_ERROR, "Invalid secondary channel!");
628 0 : err = 1;
629 0 : goto out;
630 : }
631 :
632 0 : if (hapd->iface->conf->ieee80211ac) {
633 : /* set defaults for backwards compatibility */
634 0 : hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
635 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
636 0 : hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
637 0 : if (acs_res->ch_width == 80) {
638 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
639 0 : acs_res->vht_seg0_center_ch;
640 0 : hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
641 0 : } else if (acs_res->ch_width == 160) {
642 0 : if (acs_res->vht_seg1_center_ch == 0) {
643 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
644 0 : acs_res->vht_seg0_center_ch;
645 0 : hapd->iconf->vht_oper_chwidth =
646 : VHT_CHANWIDTH_160MHZ;
647 : } else {
648 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
649 0 : acs_res->vht_seg0_center_ch;
650 0 : hapd->iconf->vht_oper_centr_freq_seg1_idx =
651 0 : acs_res->vht_seg1_center_ch;
652 0 : hapd->iconf->vht_oper_chwidth =
653 : VHT_CHANWIDTH_80P80MHZ;
654 : }
655 : }
656 : }
657 :
658 : out:
659 0 : ret = hostapd_acs_completed(hapd->iface, err);
660 0 : if (ret) {
661 0 : wpa_printf(MSG_ERROR,
662 : "ACS: Possibly channel configuration is invalid");
663 : }
664 : }
665 : #endif /* CONFIG_ACS */
666 :
667 :
668 0 : int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
669 : const u8 *bssid, const u8 *ie, size_t ie_len,
670 : int ssi_signal)
671 : {
672 : size_t i;
673 0 : int ret = 0;
674 :
675 0 : if (sa == NULL || ie == NULL)
676 0 : return -1;
677 :
678 : random_add_randomness(sa, ETH_ALEN);
679 0 : for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
680 0 : if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
681 : sa, da, bssid, ie, ie_len,
682 : ssi_signal) > 0) {
683 0 : ret = 1;
684 0 : break;
685 : }
686 : }
687 0 : return ret;
688 : }
689 :
690 :
691 : #ifdef HOSTAPD
692 :
693 : #ifdef CONFIG_IEEE80211R
694 0 : static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
695 : const u8 *bssid,
696 : u16 auth_transaction, u16 status,
697 : const u8 *ies, size_t ies_len)
698 : {
699 0 : struct hostapd_data *hapd = ctx;
700 : struct sta_info *sta;
701 :
702 0 : sta = ap_get_sta(hapd, dst);
703 0 : if (sta == NULL)
704 0 : return;
705 :
706 0 : hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
707 : HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
708 0 : sta->flags |= WLAN_STA_AUTH;
709 :
710 0 : hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
711 : }
712 : #endif /* CONFIG_IEEE80211R */
713 :
714 :
715 0 : static void hostapd_notif_auth(struct hostapd_data *hapd,
716 : struct auth_info *rx_auth)
717 : {
718 : struct sta_info *sta;
719 0 : u16 status = WLAN_STATUS_SUCCESS;
720 : u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
721 0 : size_t resp_ies_len = 0;
722 :
723 0 : sta = ap_get_sta(hapd, rx_auth->peer);
724 0 : if (!sta) {
725 0 : sta = ap_sta_add(hapd, rx_auth->peer);
726 0 : if (sta == NULL) {
727 0 : status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
728 0 : goto fail;
729 : }
730 : }
731 0 : sta->flags &= ~WLAN_STA_PREAUTH;
732 0 : ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
733 : #ifdef CONFIG_IEEE80211R
734 0 : if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
735 0 : sta->auth_alg = WLAN_AUTH_FT;
736 0 : if (sta->wpa_sm == NULL)
737 0 : sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
738 0 : sta->addr, NULL);
739 0 : if (sta->wpa_sm == NULL) {
740 0 : wpa_printf(MSG_DEBUG,
741 : "FT: Failed to initialize WPA state machine");
742 0 : status = WLAN_STATUS_UNSPECIFIED_FAILURE;
743 0 : goto fail;
744 : }
745 0 : wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
746 0 : rx_auth->auth_transaction, rx_auth->ies,
747 : rx_auth->ies_len,
748 : hostapd_notify_auth_ft_finish, hapd);
749 0 : return;
750 : }
751 : #endif /* CONFIG_IEEE80211R */
752 : fail:
753 0 : hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
754 : status, resp_ies, resp_ies_len);
755 : }
756 :
757 :
758 0 : static void hostapd_action_rx(struct hostapd_data *hapd,
759 : struct rx_mgmt *drv_mgmt)
760 : {
761 : struct ieee80211_mgmt *mgmt;
762 : struct sta_info *sta;
763 : size_t plen __maybe_unused;
764 : u16 fc;
765 :
766 0 : if (drv_mgmt->frame_len < 24 + 1)
767 0 : return;
768 :
769 0 : plen = drv_mgmt->frame_len - 24 - 1;
770 :
771 0 : mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
772 0 : fc = le_to_host16(mgmt->frame_control);
773 0 : if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
774 0 : return; /* handled by the driver */
775 :
776 0 : wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
777 0 : mgmt->u.action.category, (int) plen);
778 :
779 0 : sta = ap_get_sta(hapd, mgmt->sa);
780 0 : if (sta == NULL) {
781 0 : wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
782 0 : return;
783 : }
784 : #ifdef CONFIG_IEEE80211R
785 0 : if (mgmt->u.action.category == WLAN_ACTION_FT) {
786 0 : const u8 *payload = drv_mgmt->frame + 24 + 1;
787 :
788 0 : wpa_ft_action_rx(sta->wpa_sm, payload, plen);
789 : }
790 : #endif /* CONFIG_IEEE80211R */
791 : #ifdef CONFIG_IEEE80211W
792 0 : if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
793 0 : ieee802_11_sa_query_action(
794 0 : hapd, mgmt->sa,
795 0 : mgmt->u.action.u.sa_query_resp.action,
796 0 : mgmt->u.action.u.sa_query_resp.trans_id);
797 : }
798 : #endif /* CONFIG_IEEE80211W */
799 : #ifdef CONFIG_WNM
800 0 : if (mgmt->u.action.category == WLAN_ACTION_WNM) {
801 0 : ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
802 : }
803 : #endif /* CONFIG_WNM */
804 : #ifdef CONFIG_FST
805 0 : if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
806 0 : fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
807 0 : return;
808 : }
809 : #endif /* CONFIG_FST */
810 :
811 : }
812 :
813 :
814 : #ifdef NEED_AP_MLME
815 :
816 : #define HAPD_BROADCAST ((struct hostapd_data *) -1)
817 :
818 39739 : static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
819 : const u8 *bssid)
820 : {
821 : size_t i;
822 :
823 39739 : if (bssid == NULL)
824 0 : return NULL;
825 43920 : if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
826 8362 : bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
827 4181 : return HAPD_BROADCAST;
828 :
829 46795 : for (i = 0; i < iface->num_bss; i++) {
830 35872 : if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
831 24635 : return iface->bss[i];
832 : }
833 :
834 10923 : return NULL;
835 : }
836 :
837 :
838 10 : static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
839 : const u8 *bssid, const u8 *addr,
840 : int wds)
841 : {
842 10 : hapd = get_hapd_bssid(hapd->iface, bssid);
843 10 : if (hapd == NULL || hapd == HAPD_BROADCAST)
844 10 : return;
845 :
846 10 : ieee802_11_rx_from_unknown(hapd, addr, wds);
847 : }
848 :
849 :
850 29234 : static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
851 : {
852 29234 : struct hostapd_iface *iface = hapd->iface;
853 : const struct ieee80211_hdr *hdr;
854 : const u8 *bssid;
855 : struct hostapd_frame_info fi;
856 : int ret;
857 :
858 : #ifdef CONFIG_TESTING_OPTIONS
859 29234 : if (hapd->ext_mgmt_frame_handling) {
860 367 : size_t hex_len = 2 * rx_mgmt->frame_len + 1;
861 367 : char *hex = os_malloc(hex_len);
862 :
863 367 : if (hex) {
864 367 : wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
865 : rx_mgmt->frame_len);
866 367 : wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
867 367 : os_free(hex);
868 : }
869 367 : return 1;
870 : }
871 : #endif /* CONFIG_TESTING_OPTIONS */
872 :
873 28867 : hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
874 28867 : bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
875 28867 : if (bssid == NULL)
876 0 : return 0;
877 :
878 28867 : hapd = get_hapd_bssid(iface, bssid);
879 28867 : if (hapd == NULL) {
880 10827 : u16 fc = le_to_host16(hdr->frame_control);
881 :
882 : /*
883 : * Drop frames to unknown BSSIDs except for Beacon frames which
884 : * could be used to update neighbor information.
885 : */
886 21654 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
887 10827 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
888 10827 : hapd = iface->bss[0];
889 : else
890 0 : return 0;
891 : }
892 :
893 28867 : os_memset(&fi, 0, sizeof(fi));
894 28867 : fi.datarate = rx_mgmt->datarate;
895 28867 : fi.ssi_signal = rx_mgmt->ssi_signal;
896 :
897 28867 : if (hapd == HAPD_BROADCAST) {
898 : size_t i;
899 :
900 4178 : ret = 0;
901 8857 : for (i = 0; i < iface->num_bss; i++) {
902 : /* if bss is set, driver will call this function for
903 : * each bss individually. */
904 9353 : if (rx_mgmt->drv_priv &&
905 4674 : (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
906 498 : continue;
907 :
908 4181 : if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
909 : rx_mgmt->frame_len, &fi) > 0)
910 4181 : ret = 1;
911 : }
912 : } else
913 24689 : ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
914 : &fi);
915 :
916 : random_add_randomness(&fi, sizeof(fi));
917 :
918 28867 : return ret;
919 : }
920 :
921 :
922 10860 : static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
923 : size_t len, u16 stype, int ok)
924 : {
925 : struct ieee80211_hdr *hdr;
926 10860 : struct hostapd_data *orig_hapd = hapd;
927 :
928 10860 : hdr = (struct ieee80211_hdr *) buf;
929 10860 : hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
930 10860 : if (!hapd)
931 96 : return;
932 10764 : if (hapd == HAPD_BROADCAST) {
933 5 : if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
934 2 : buf[24] != WLAN_ACTION_PUBLIC)
935 1 : return;
936 2 : hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
937 2 : if (!hapd || hapd == HAPD_BROADCAST)
938 0 : return;
939 : /*
940 : * Allow processing of TX status for a Public Action frame that
941 : * used wildcard BBSID.
942 : */
943 : }
944 10763 : ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
945 : }
946 :
947 : #endif /* NEED_AP_MLME */
948 :
949 :
950 0 : static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
951 : {
952 0 : struct sta_info *sta = ap_get_sta(hapd, addr);
953 :
954 0 : if (sta)
955 0 : return 0;
956 :
957 0 : wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
958 0 : " - adding a new STA", MAC2STR(addr));
959 0 : sta = ap_sta_add(hapd, addr);
960 0 : if (sta) {
961 0 : hostapd_new_assoc_sta(hapd, sta, 0);
962 : } else {
963 0 : wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
964 0 : MAC2STR(addr));
965 0 : return -1;
966 : }
967 :
968 0 : return 0;
969 : }
970 :
971 :
972 14103 : static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
973 : const u8 *data, size_t data_len)
974 : {
975 14103 : struct hostapd_iface *iface = hapd->iface;
976 : struct sta_info *sta;
977 : size_t j;
978 :
979 14170 : for (j = 0; j < iface->num_bss; j++) {
980 14133 : sta = ap_get_sta(iface->bss[j], src);
981 14133 : if (sta && sta->flags & WLAN_STA_ASSOC) {
982 14066 : hapd = iface->bss[j];
983 14066 : break;
984 : }
985 : }
986 :
987 14103 : ieee802_1x_receive(hapd, src, data, data_len);
988 14103 : }
989 :
990 : #endif /* HOSTAPD */
991 :
992 :
993 56 : static struct hostapd_channel_data * hostapd_get_mode_channel(
994 : struct hostapd_iface *iface, unsigned int freq)
995 : {
996 : int i;
997 : struct hostapd_channel_data *chan;
998 :
999 56 : for (i = 0; i < iface->current_mode->num_channels; i++) {
1000 56 : chan = &iface->current_mode->channels[i];
1001 56 : if ((unsigned int) chan->freq == freq)
1002 56 : return chan;
1003 : }
1004 :
1005 0 : return NULL;
1006 : }
1007 :
1008 :
1009 50 : static void hostapd_update_nf(struct hostapd_iface *iface,
1010 : struct hostapd_channel_data *chan,
1011 : struct freq_survey *survey)
1012 : {
1013 50 : if (!iface->chans_surveyed) {
1014 10 : chan->min_nf = survey->nf;
1015 10 : iface->lowest_nf = survey->nf;
1016 : } else {
1017 40 : if (dl_list_empty(&chan->survey_list))
1018 0 : chan->min_nf = survey->nf;
1019 40 : else if (survey->nf < chan->min_nf)
1020 0 : chan->min_nf = survey->nf;
1021 40 : if (survey->nf < iface->lowest_nf)
1022 0 : iface->lowest_nf = survey->nf;
1023 : }
1024 50 : }
1025 :
1026 :
1027 6 : static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1028 : struct survey_results *survey_res)
1029 : {
1030 : struct hostapd_channel_data *chan;
1031 : struct freq_survey *survey;
1032 : u64 divisor, dividend;
1033 :
1034 6 : survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1035 : list);
1036 6 : if (!survey || !survey->freq)
1037 0 : return;
1038 :
1039 6 : chan = hostapd_get_mode_channel(iface, survey->freq);
1040 6 : if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1041 0 : return;
1042 :
1043 6 : wpa_printf(MSG_DEBUG,
1044 : "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
1045 : survey->freq,
1046 : (unsigned long int) survey->channel_time,
1047 : (unsigned long int) survey->channel_time_busy);
1048 :
1049 6 : if (survey->channel_time > iface->last_channel_time &&
1050 0 : survey->channel_time > survey->channel_time_busy) {
1051 0 : dividend = survey->channel_time_busy -
1052 0 : iface->last_channel_time_busy;
1053 0 : divisor = survey->channel_time - iface->last_channel_time;
1054 :
1055 0 : iface->channel_utilization = dividend * 255 / divisor;
1056 0 : wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1057 0 : iface->channel_utilization);
1058 : }
1059 6 : iface->last_channel_time = survey->channel_time;
1060 6 : iface->last_channel_time_busy = survey->channel_time_busy;
1061 : }
1062 :
1063 :
1064 56 : void hostapd_event_get_survey(struct hostapd_iface *iface,
1065 : struct survey_results *survey_results)
1066 : {
1067 : struct freq_survey *survey, *tmp;
1068 : struct hostapd_channel_data *chan;
1069 :
1070 56 : if (dl_list_empty(&survey_results->survey_list)) {
1071 0 : wpa_printf(MSG_DEBUG, "No survey data received");
1072 0 : return;
1073 : }
1074 :
1075 56 : if (survey_results->freq_filter) {
1076 6 : hostapd_single_channel_get_survey(iface, survey_results);
1077 6 : return;
1078 : }
1079 :
1080 100 : dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1081 : struct freq_survey, list) {
1082 50 : chan = hostapd_get_mode_channel(iface, survey->freq);
1083 50 : if (!chan)
1084 0 : continue;
1085 50 : if (chan->flag & HOSTAPD_CHAN_DISABLED)
1086 0 : continue;
1087 :
1088 50 : dl_list_del(&survey->list);
1089 50 : dl_list_add_tail(&chan->survey_list, &survey->list);
1090 :
1091 50 : hostapd_update_nf(iface, chan, survey);
1092 :
1093 50 : iface->chans_surveyed++;
1094 : }
1095 : }
1096 :
1097 :
1098 : #ifdef HOSTAPD
1099 : #ifdef NEED_AP_MLME
1100 :
1101 5 : static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1102 : {
1103 5 : wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1104 5 : hapd->conf->iface);
1105 :
1106 5 : if (hapd->csa_in_progress) {
1107 0 : wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1108 0 : hapd->conf->iface);
1109 0 : hostapd_switch_channel_fallback(hapd->iface,
1110 0 : &hapd->cs_freq_params);
1111 : }
1112 5 : }
1113 :
1114 :
1115 11 : static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1116 : struct dfs_event *radar)
1117 : {
1118 11 : wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1119 22 : hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1120 11 : radar->chan_offset, radar->chan_width,
1121 : radar->cf1, radar->cf2);
1122 11 : }
1123 :
1124 :
1125 6 : static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1126 : struct dfs_event *radar)
1127 : {
1128 6 : wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1129 12 : hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1130 6 : radar->chan_offset, radar->chan_width,
1131 : radar->cf1, radar->cf2);
1132 6 : }
1133 :
1134 :
1135 6 : static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1136 : struct dfs_event *radar)
1137 : {
1138 6 : wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1139 12 : hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1140 6 : radar->chan_offset, radar->chan_width,
1141 : radar->cf1, radar->cf2);
1142 6 : }
1143 :
1144 :
1145 0 : static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1146 : struct dfs_event *radar)
1147 : {
1148 0 : wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1149 0 : hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1150 0 : radar->chan_offset, radar->chan_width,
1151 : radar->cf1, radar->cf2);
1152 0 : }
1153 :
1154 :
1155 0 : static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1156 : struct dfs_event *radar)
1157 : {
1158 0 : wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1159 0 : hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1160 0 : radar->chan_offset, radar->chan_width,
1161 : radar->cf1, radar->cf2);
1162 0 : }
1163 :
1164 : #endif /* NEED_AP_MLME */
1165 :
1166 :
1167 75132 : void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1168 : union wpa_event_data *data)
1169 : {
1170 75132 : struct hostapd_data *hapd = ctx;
1171 : #ifndef CONFIG_NO_STDOUT_DEBUG
1172 75132 : int level = MSG_DEBUG;
1173 :
1174 104366 : if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1175 29234 : data->rx_mgmt.frame_len >= 24) {
1176 : const struct ieee80211_hdr *hdr;
1177 : u16 fc;
1178 :
1179 29234 : hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1180 29234 : fc = le_to_host16(hdr->frame_control);
1181 58468 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1182 29234 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1183 10849 : level = MSG_EXCESSIVE;
1184 58468 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1185 29234 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1186 4434 : level = MSG_EXCESSIVE;
1187 : }
1188 :
1189 75132 : wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1190 : event_to_string(event), event);
1191 : #endif /* CONFIG_NO_STDOUT_DEBUG */
1192 :
1193 75132 : switch (event) {
1194 : case EVENT_MICHAEL_MIC_FAILURE:
1195 2 : michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1196 2 : break;
1197 : case EVENT_SCAN_RESULTS:
1198 111 : if (hapd->iface->scan_cb)
1199 111 : hapd->iface->scan_cb(hapd->iface);
1200 111 : break;
1201 : case EVENT_WPS_BUTTON_PUSHED:
1202 0 : hostapd_wps_button_pushed(hapd, NULL);
1203 0 : break;
1204 : #ifdef NEED_AP_MLME
1205 : case EVENT_TX_STATUS:
1206 10862 : switch (data->tx_status.type) {
1207 : case WLAN_FC_TYPE_MGMT:
1208 21720 : hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1209 : data->tx_status.data_len,
1210 10860 : data->tx_status.stype,
1211 : data->tx_status.ack);
1212 10860 : break;
1213 : case WLAN_FC_TYPE_DATA:
1214 2 : hostapd_tx_status(hapd, data->tx_status.dst,
1215 : data->tx_status.data,
1216 : data->tx_status.data_len,
1217 : data->tx_status.ack);
1218 2 : break;
1219 : }
1220 10862 : break;
1221 : case EVENT_EAPOL_TX_STATUS:
1222 32804 : hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1223 : data->eapol_tx_status.data,
1224 16402 : data->eapol_tx_status.data_len,
1225 : data->eapol_tx_status.ack);
1226 16402 : break;
1227 : case EVENT_DRIVER_CLIENT_POLL_OK:
1228 2 : hostapd_client_poll_ok(hapd, data->client_poll.addr);
1229 2 : break;
1230 : case EVENT_RX_FROM_UNKNOWN:
1231 10 : hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1232 : data->rx_from_unknown.addr,
1233 : data->rx_from_unknown.wds);
1234 10 : break;
1235 : #endif /* NEED_AP_MLME */
1236 : case EVENT_RX_MGMT:
1237 29234 : if (!data->rx_mgmt.frame)
1238 0 : break;
1239 : #ifdef NEED_AP_MLME
1240 29234 : if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1241 29234 : break;
1242 : #endif /* NEED_AP_MLME */
1243 0 : hostapd_action_rx(hapd, &data->rx_mgmt);
1244 0 : break;
1245 : case EVENT_RX_PROBE_REQ:
1246 0 : if (data->rx_probe_req.sa == NULL ||
1247 0 : data->rx_probe_req.ie == NULL)
1248 : break;
1249 0 : hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1250 : data->rx_probe_req.da,
1251 : data->rx_probe_req.bssid,
1252 : data->rx_probe_req.ie,
1253 : data->rx_probe_req.ie_len,
1254 : data->rx_probe_req.ssi_signal);
1255 0 : break;
1256 : case EVENT_NEW_STA:
1257 0 : hostapd_event_new_sta(hapd, data->new_sta.addr);
1258 0 : break;
1259 : case EVENT_EAPOL_RX:
1260 14103 : hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1261 : data->eapol_rx.data,
1262 : data->eapol_rx.data_len);
1263 14103 : break;
1264 : case EVENT_ASSOC:
1265 0 : if (!data)
1266 75132 : return;
1267 0 : hostapd_notif_assoc(hapd, data->assoc_info.addr,
1268 : data->assoc_info.req_ies,
1269 : data->assoc_info.req_ies_len,
1270 : data->assoc_info.reassoc);
1271 0 : break;
1272 : case EVENT_DISASSOC:
1273 0 : if (data)
1274 0 : hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1275 0 : break;
1276 : case EVENT_DEAUTH:
1277 0 : if (data)
1278 0 : hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1279 0 : break;
1280 : case EVENT_STATION_LOW_ACK:
1281 0 : if (!data)
1282 0 : break;
1283 0 : hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1284 0 : break;
1285 : case EVENT_AUTH:
1286 0 : hostapd_notif_auth(hapd, &data->auth);
1287 0 : break;
1288 : case EVENT_CH_SWITCH:
1289 21 : if (!data)
1290 0 : break;
1291 42 : hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1292 : data->ch_switch.ht_enabled,
1293 : data->ch_switch.ch_offset,
1294 21 : data->ch_switch.ch_width,
1295 : data->ch_switch.cf1,
1296 : data->ch_switch.cf2);
1297 21 : break;
1298 : case EVENT_CONNECT_FAILED_REASON:
1299 0 : if (!data)
1300 0 : break;
1301 0 : hostapd_event_connect_failed_reason(
1302 0 : hapd, data->connect_failed_reason.addr,
1303 0 : data->connect_failed_reason.code);
1304 0 : break;
1305 : case EVENT_SURVEY:
1306 51 : hostapd_event_get_survey(hapd->iface, &data->survey_results);
1307 51 : break;
1308 : #ifdef NEED_AP_MLME
1309 : case EVENT_INTERFACE_UNAVAILABLE:
1310 5 : hostapd_event_iface_unavailable(hapd);
1311 5 : break;
1312 : case EVENT_DFS_RADAR_DETECTED:
1313 11 : if (!data)
1314 0 : break;
1315 11 : hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1316 11 : break;
1317 : case EVENT_DFS_CAC_FINISHED:
1318 6 : if (!data)
1319 0 : break;
1320 6 : hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1321 6 : break;
1322 : case EVENT_DFS_CAC_ABORTED:
1323 6 : if (!data)
1324 0 : break;
1325 6 : hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1326 6 : break;
1327 : case EVENT_DFS_NOP_FINISHED:
1328 0 : if (!data)
1329 0 : break;
1330 0 : hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1331 0 : break;
1332 : case EVENT_CHANNEL_LIST_CHANGED:
1333 : /* channel list changed (regulatory?), update channel list */
1334 : /* TODO: check this. hostapd_get_hw_features() initializes
1335 : * too much stuff. */
1336 : /* hostapd_get_hw_features(hapd->iface); */
1337 3200 : hostapd_channel_list_updated(
1338 3200 : hapd->iface, data->channel_list_changed.initiator);
1339 3200 : break;
1340 : case EVENT_DFS_CAC_STARTED:
1341 0 : if (!data)
1342 0 : break;
1343 0 : hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1344 0 : break;
1345 : #endif /* NEED_AP_MLME */
1346 : case EVENT_INTERFACE_ENABLED:
1347 3 : wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1348 3 : if (hapd->disabled && hapd->started) {
1349 3 : hapd->disabled = 0;
1350 : /*
1351 : * Try to re-enable interface if the driver stopped it
1352 : * when the interface got disabled.
1353 : */
1354 3 : wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1355 3 : hapd->reenable_beacon = 1;
1356 3 : ieee802_11_set_beacon(hapd);
1357 : }
1358 3 : break;
1359 : case EVENT_INTERFACE_DISABLED:
1360 4 : hostapd_free_stas(hapd);
1361 4 : wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1362 4 : hapd->disabled = 1;
1363 4 : break;
1364 : #ifdef CONFIG_ACS
1365 : case EVENT_ACS_CHANNEL_SELECTED:
1366 0 : hostapd_acs_channel_selected(hapd,
1367 : &data->acs_selected_channels);
1368 0 : break;
1369 : #endif /* CONFIG_ACS */
1370 : default:
1371 1099 : wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1372 1099 : break;
1373 : }
1374 : }
1375 :
1376 :
1377 40454 : void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
1378 : union wpa_event_data *data)
1379 : {
1380 40454 : struct hapd_interfaces *interfaces = ctx;
1381 : struct hostapd_data *hapd;
1382 :
1383 40454 : if (event != EVENT_INTERFACE_STATUS)
1384 0 : return;
1385 :
1386 40454 : hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
1387 40730 : if (hapd && hapd->driver && hapd->driver->get_ifindex &&
1388 276 : hapd->drv_priv) {
1389 : unsigned int ifindex;
1390 :
1391 0 : ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
1392 0 : if (ifindex != data->interface_status.ifindex) {
1393 0 : wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1394 : "interface status ifindex %d mismatch (%d)",
1395 : ifindex, data->interface_status.ifindex);
1396 0 : return;
1397 : }
1398 : }
1399 40454 : if (hapd)
1400 278 : wpa_supplicant_event(hapd, event, data);
1401 : }
1402 :
1403 : #endif /* HOSTAPD */
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