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 "sta_info.h"
26 : #include "accounting.h"
27 : #include "tkip_countermeasures.h"
28 : #include "ieee802_1x.h"
29 : #include "wpa_auth.h"
30 : #include "wps_hostapd.h"
31 : #include "ap_drv_ops.h"
32 : #include "ap_config.h"
33 : #include "hw_features.h"
34 : #include "dfs.h"
35 : #include "beacon.h"
36 :
37 :
38 0 : int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
39 : const u8 *req_ies, size_t req_ies_len, int reassoc)
40 : {
41 : struct sta_info *sta;
42 : int new_assoc, res;
43 : struct ieee802_11_elems elems;
44 : const u8 *ie;
45 : size_t ielen;
46 : #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W)
47 : u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
48 0 : u8 *p = buf;
49 : #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */
50 0 : u16 reason = WLAN_REASON_UNSPECIFIED;
51 0 : u16 status = WLAN_STATUS_SUCCESS;
52 0 : const u8 *p2p_dev_addr = NULL;
53 :
54 0 : if (addr == NULL) {
55 : /*
56 : * This could potentially happen with unexpected event from the
57 : * driver wrapper. This was seen at least in one case where the
58 : * driver ended up being set to station mode while hostapd was
59 : * running, so better make sure we stop processing such an
60 : * event here.
61 : */
62 0 : wpa_printf(MSG_DEBUG,
63 : "hostapd_notif_assoc: Skip event with no address");
64 0 : return -1;
65 : }
66 : random_add_randomness(addr, ETH_ALEN);
67 :
68 0 : hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
69 : HOSTAPD_LEVEL_INFO, "associated");
70 :
71 0 : ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
72 0 : if (elems.wps_ie) {
73 0 : ie = elems.wps_ie - 2;
74 0 : ielen = elems.wps_ie_len + 2;
75 0 : wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
76 0 : } else if (elems.rsn_ie) {
77 0 : ie = elems.rsn_ie - 2;
78 0 : ielen = elems.rsn_ie_len + 2;
79 0 : wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
80 0 : } else if (elems.wpa_ie) {
81 0 : ie = elems.wpa_ie - 2;
82 0 : ielen = elems.wpa_ie_len + 2;
83 0 : wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
84 : #ifdef CONFIG_HS20
85 0 : } else if (elems.osen) {
86 0 : ie = elems.osen - 2;
87 0 : ielen = elems.osen_len + 2;
88 0 : wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
89 : #endif /* CONFIG_HS20 */
90 : } else {
91 0 : ie = NULL;
92 0 : ielen = 0;
93 0 : wpa_printf(MSG_DEBUG,
94 : "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
95 : }
96 :
97 0 : sta = ap_get_sta(hapd, addr);
98 0 : if (sta) {
99 0 : ap_sta_no_session_timeout(hapd, sta);
100 0 : accounting_sta_stop(hapd, sta);
101 :
102 : /*
103 : * Make sure that the previously registered inactivity timer
104 : * will not remove the STA immediately.
105 : */
106 0 : sta->timeout_next = STA_NULLFUNC;
107 : } else {
108 0 : sta = ap_sta_add(hapd, addr);
109 0 : if (sta == NULL) {
110 0 : hostapd_drv_sta_disassoc(hapd, addr,
111 : WLAN_REASON_DISASSOC_AP_BUSY);
112 0 : return -1;
113 : }
114 : }
115 0 : sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
116 :
117 : #ifdef CONFIG_P2P
118 0 : if (elems.p2p) {
119 0 : wpabuf_free(sta->p2p_ie);
120 0 : sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
121 : P2P_IE_VENDOR_TYPE);
122 0 : if (sta->p2p_ie)
123 0 : p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
124 : }
125 : #endif /* CONFIG_P2P */
126 :
127 : #ifdef CONFIG_IEEE80211N
128 : #ifdef NEED_AP_MLME
129 0 : if (elems.ht_capabilities &&
130 0 : (hapd->iface->conf->ht_capab &
131 : HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
132 0 : struct ieee80211_ht_capabilities *ht_cap =
133 : (struct ieee80211_ht_capabilities *)
134 : elems.ht_capabilities;
135 :
136 0 : if (le_to_host16(ht_cap->ht_capabilities_info) &
137 : HT_CAP_INFO_40MHZ_INTOLERANT)
138 0 : ht40_intolerant_add(hapd->iface, sta);
139 : }
140 : #endif /* NEED_AP_MLME */
141 : #endif /* CONFIG_IEEE80211N */
142 :
143 : #ifdef CONFIG_INTERWORKING
144 0 : if (elems.ext_capab && elems.ext_capab_len > 4) {
145 0 : if (elems.ext_capab[4] & 0x01)
146 0 : sta->qos_map_enabled = 1;
147 : }
148 : #endif /* CONFIG_INTERWORKING */
149 :
150 : #ifdef CONFIG_HS20
151 0 : wpabuf_free(sta->hs20_ie);
152 0 : if (elems.hs20 && elems.hs20_len > 4) {
153 0 : sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
154 0 : elems.hs20_len - 4);
155 : } else
156 0 : sta->hs20_ie = NULL;
157 : #endif /* CONFIG_HS20 */
158 :
159 : #ifdef CONFIG_FST
160 0 : wpabuf_free(sta->mb_ies);
161 0 : if (hapd->iface->fst)
162 0 : sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
163 : else
164 0 : sta->mb_ies = NULL;
165 : #endif /* CONFIG_FST */
166 :
167 0 : if (hapd->conf->wpa) {
168 0 : if (ie == NULL || ielen == 0) {
169 : #ifdef CONFIG_WPS
170 0 : if (hapd->conf->wps_state) {
171 0 : wpa_printf(MSG_DEBUG,
172 : "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
173 0 : sta->flags |= WLAN_STA_MAYBE_WPS;
174 0 : goto skip_wpa_check;
175 : }
176 : #endif /* CONFIG_WPS */
177 :
178 0 : wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
179 0 : return -1;
180 : }
181 : #ifdef CONFIG_WPS
182 0 : if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
183 0 : os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
184 : struct wpabuf *wps;
185 :
186 0 : sta->flags |= WLAN_STA_WPS;
187 0 : wps = ieee802_11_vendor_ie_concat(ie, ielen,
188 : WPS_IE_VENDOR_TYPE);
189 0 : if (wps) {
190 0 : if (wps_is_20(wps)) {
191 0 : wpa_printf(MSG_DEBUG,
192 : "WPS: STA supports WPS 2.0");
193 0 : sta->flags |= WLAN_STA_WPS2;
194 : }
195 0 : wpabuf_free(wps);
196 : }
197 0 : goto skip_wpa_check;
198 : }
199 : #endif /* CONFIG_WPS */
200 :
201 0 : if (sta->wpa_sm == NULL)
202 0 : sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
203 0 : sta->addr,
204 : p2p_dev_addr);
205 0 : if (sta->wpa_sm == NULL) {
206 0 : wpa_printf(MSG_ERROR,
207 : "Failed to initialize WPA state machine");
208 0 : return -1;
209 : }
210 0 : res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
211 : ie, ielen,
212 0 : elems.mdie, elems.mdie_len);
213 0 : if (res != WPA_IE_OK) {
214 0 : wpa_printf(MSG_DEBUG,
215 : "WPA/RSN information element rejected? (res %u)",
216 : res);
217 0 : wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
218 0 : if (res == WPA_INVALID_GROUP) {
219 0 : reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
220 0 : status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
221 0 : } else if (res == WPA_INVALID_PAIRWISE) {
222 0 : reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
223 0 : status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
224 0 : } else if (res == WPA_INVALID_AKMP) {
225 0 : reason = WLAN_REASON_AKMP_NOT_VALID;
226 0 : status = WLAN_STATUS_AKMP_NOT_VALID;
227 : }
228 : #ifdef CONFIG_IEEE80211W
229 0 : else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
230 0 : reason = WLAN_REASON_INVALID_IE;
231 0 : status = WLAN_STATUS_INVALID_IE;
232 0 : } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
233 0 : reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
234 0 : status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
235 : }
236 : #endif /* CONFIG_IEEE80211W */
237 : else {
238 0 : reason = WLAN_REASON_INVALID_IE;
239 0 : status = WLAN_STATUS_INVALID_IE;
240 : }
241 0 : goto fail;
242 : }
243 : #ifdef CONFIG_IEEE80211W
244 0 : if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
245 0 : sta->sa_query_count > 0)
246 0 : ap_check_sa_query_timeout(hapd, sta);
247 0 : if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
248 0 : (sta->auth_alg != WLAN_AUTH_FT)) {
249 : /*
250 : * STA has already been associated with MFP and SA
251 : * Query timeout has not been reached. Reject the
252 : * association attempt temporarily and start SA Query,
253 : * if one is not pending.
254 : */
255 :
256 0 : if (sta->sa_query_count == 0)
257 0 : ap_sta_start_sa_query(hapd, sta);
258 :
259 0 : status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
260 :
261 0 : p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
262 :
263 0 : hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
264 0 : p - buf);
265 0 : return 0;
266 : }
267 :
268 0 : if (wpa_auth_uses_mfp(sta->wpa_sm))
269 0 : sta->flags |= WLAN_STA_MFP;
270 : else
271 0 : sta->flags &= ~WLAN_STA_MFP;
272 : #endif /* CONFIG_IEEE80211W */
273 :
274 : #ifdef CONFIG_IEEE80211R
275 0 : if (sta->auth_alg == WLAN_AUTH_FT) {
276 0 : status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
277 : req_ies_len);
278 0 : if (status != WLAN_STATUS_SUCCESS) {
279 0 : if (status == WLAN_STATUS_INVALID_PMKID)
280 0 : reason = WLAN_REASON_INVALID_IE;
281 0 : if (status == WLAN_STATUS_INVALID_MDIE)
282 0 : reason = WLAN_REASON_INVALID_IE;
283 0 : if (status == WLAN_STATUS_INVALID_FTIE)
284 0 : reason = WLAN_REASON_INVALID_IE;
285 0 : goto fail;
286 : }
287 : }
288 : #endif /* CONFIG_IEEE80211R */
289 0 : } else if (hapd->conf->wps_state) {
290 : #ifdef CONFIG_WPS
291 : struct wpabuf *wps;
292 :
293 0 : if (req_ies)
294 0 : wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
295 : WPS_IE_VENDOR_TYPE);
296 : else
297 0 : wps = NULL;
298 : #ifdef CONFIG_WPS_STRICT
299 : if (wps && wps_validate_assoc_req(wps) < 0) {
300 : reason = WLAN_REASON_INVALID_IE;
301 : status = WLAN_STATUS_INVALID_IE;
302 : wpabuf_free(wps);
303 : goto fail;
304 : }
305 : #endif /* CONFIG_WPS_STRICT */
306 0 : if (wps) {
307 0 : sta->flags |= WLAN_STA_WPS;
308 0 : if (wps_is_20(wps)) {
309 0 : wpa_printf(MSG_DEBUG,
310 : "WPS: STA supports WPS 2.0");
311 0 : sta->flags |= WLAN_STA_WPS2;
312 : }
313 : } else
314 0 : sta->flags |= WLAN_STA_MAYBE_WPS;
315 0 : wpabuf_free(wps);
316 : #endif /* CONFIG_WPS */
317 : #ifdef CONFIG_HS20
318 0 : } else if (hapd->conf->osen) {
319 0 : if (elems.osen == NULL) {
320 0 : hostapd_logger(
321 0 : hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
322 : HOSTAPD_LEVEL_INFO,
323 : "No HS 2.0 OSEN element in association request");
324 0 : return WLAN_STATUS_INVALID_IE;
325 : }
326 :
327 0 : wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
328 0 : if (sta->wpa_sm == NULL)
329 0 : sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
330 0 : sta->addr, NULL);
331 0 : if (sta->wpa_sm == NULL) {
332 0 : wpa_printf(MSG_WARNING,
333 : "Failed to initialize WPA state machine");
334 0 : return WLAN_STATUS_UNSPECIFIED_FAILURE;
335 : }
336 0 : if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
337 0 : elems.osen - 2, elems.osen_len + 2) < 0)
338 0 : return WLAN_STATUS_INVALID_IE;
339 : #endif /* CONFIG_HS20 */
340 : }
341 : #ifdef CONFIG_WPS
342 : skip_wpa_check:
343 : #endif /* CONFIG_WPS */
344 :
345 : #ifdef CONFIG_IEEE80211R
346 0 : p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
347 0 : sta->auth_alg, req_ies, req_ies_len);
348 :
349 0 : hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
350 :
351 0 : if (sta->auth_alg == WLAN_AUTH_FT)
352 0 : ap_sta_set_authorized(hapd, sta, 1);
353 : #else /* CONFIG_IEEE80211R */
354 : /* Keep compiler silent about unused variables */
355 : if (status) {
356 : }
357 : #endif /* CONFIG_IEEE80211R */
358 :
359 0 : new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
360 0 : sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
361 0 : sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
362 :
363 0 : hostapd_set_sta_flags(hapd, sta);
364 :
365 0 : if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
366 0 : wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
367 : else
368 0 : wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
369 :
370 0 : hostapd_new_assoc_sta(hapd, sta, !new_assoc);
371 :
372 0 : ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
373 :
374 : #ifdef CONFIG_P2P
375 0 : if (req_ies) {
376 0 : p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
377 : req_ies, req_ies_len);
378 : }
379 : #endif /* CONFIG_P2P */
380 :
381 0 : return 0;
382 :
383 : fail:
384 : #ifdef CONFIG_IEEE80211R
385 0 : hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
386 : #endif /* CONFIG_IEEE80211R */
387 0 : hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
388 0 : ap_free_sta(hapd, sta);
389 0 : return -1;
390 : }
391 :
392 :
393 0 : void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
394 : {
395 : struct sta_info *sta;
396 :
397 0 : if (addr == NULL) {
398 : /*
399 : * This could potentially happen with unexpected event from the
400 : * driver wrapper. This was seen at least in one case where the
401 : * driver ended up reporting a station mode event while hostapd
402 : * was running, so better make sure we stop processing such an
403 : * event here.
404 : */
405 0 : wpa_printf(MSG_DEBUG,
406 : "hostapd_notif_disassoc: Skip event with no address");
407 0 : return;
408 : }
409 :
410 0 : hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
411 : HOSTAPD_LEVEL_INFO, "disassociated");
412 :
413 0 : sta = ap_get_sta(hapd, addr);
414 0 : if (sta == NULL) {
415 0 : wpa_printf(MSG_DEBUG,
416 : "Disassociation notification for unknown STA "
417 0 : MACSTR, MAC2STR(addr));
418 0 : return;
419 : }
420 :
421 0 : ap_sta_set_authorized(hapd, sta, 0);
422 0 : sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
423 0 : wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
424 0 : sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
425 0 : ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
426 0 : ap_free_sta(hapd, sta);
427 : }
428 :
429 :
430 0 : void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
431 : {
432 0 : struct sta_info *sta = ap_get_sta(hapd, addr);
433 :
434 0 : if (!sta || !hapd->conf->disassoc_low_ack)
435 0 : return;
436 :
437 0 : hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
438 : HOSTAPD_LEVEL_INFO,
439 : "disconnected due to excessive missing ACKs");
440 0 : hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
441 0 : if (sta)
442 0 : ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
443 : }
444 :
445 :
446 21 : void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
447 : int offset, int width, int cf1, int cf2)
448 : {
449 : #ifdef NEED_AP_MLME
450 21 : int channel, chwidth, seg0_idx = 0, seg1_idx = 0, is_dfs;
451 :
452 21 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
453 : HOSTAPD_LEVEL_INFO,
454 : "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
455 : freq, ht, offset, width, channel_width_to_string(width),
456 : cf1, cf2);
457 :
458 21 : hapd->iface->freq = freq;
459 :
460 21 : channel = hostapd_hw_get_channel(hapd, freq);
461 21 : if (!channel) {
462 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
463 : HOSTAPD_LEVEL_WARNING,
464 : "driver switched to bad channel!");
465 21 : return;
466 : }
467 :
468 21 : switch (width) {
469 : case CHAN_WIDTH_80:
470 1 : chwidth = VHT_CHANWIDTH_80MHZ;
471 1 : break;
472 : case CHAN_WIDTH_80P80:
473 0 : chwidth = VHT_CHANWIDTH_80P80MHZ;
474 0 : break;
475 : case CHAN_WIDTH_160:
476 0 : chwidth = VHT_CHANWIDTH_160MHZ;
477 0 : break;
478 : case CHAN_WIDTH_20_NOHT:
479 : case CHAN_WIDTH_20:
480 : case CHAN_WIDTH_40:
481 : default:
482 20 : chwidth = VHT_CHANWIDTH_USE_HT;
483 20 : break;
484 : }
485 :
486 21 : switch (hapd->iface->current_mode->mode) {
487 : case HOSTAPD_MODE_IEEE80211A:
488 10 : if (cf1 > 5000)
489 10 : seg0_idx = (cf1 - 5000) / 5;
490 10 : if (cf2 > 5000)
491 0 : seg1_idx = (cf2 - 5000) / 5;
492 10 : break;
493 : default:
494 11 : seg0_idx = hostapd_hw_get_channel(hapd, cf1);
495 11 : seg1_idx = hostapd_hw_get_channel(hapd, cf2);
496 11 : break;
497 : }
498 :
499 21 : hapd->iconf->channel = channel;
500 21 : hapd->iconf->ieee80211n = ht;
501 21 : if (!ht)
502 12 : hapd->iconf->ieee80211ac = 0;
503 21 : hapd->iconf->secondary_channel = offset;
504 21 : hapd->iconf->vht_oper_chwidth = chwidth;
505 21 : hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
506 21 : hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
507 :
508 21 : is_dfs = ieee80211_is_dfs(freq);
509 :
510 42 : if (hapd->csa_in_progress &&
511 21 : freq == hapd->cs_freq_params.freq) {
512 21 : hostapd_cleanup_cs_params(hapd);
513 21 : ieee802_11_set_beacon(hapd);
514 :
515 21 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
516 : "freq=%d dfs=%d", freq, is_dfs);
517 0 : } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
518 0 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
519 : "freq=%d dfs=%d", freq, is_dfs);
520 : }
521 : #endif /* NEED_AP_MLME */
522 : }
523 :
524 :
525 0 : void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
526 : const u8 *addr, int reason_code)
527 : {
528 0 : switch (reason_code) {
529 : case MAX_CLIENT_REACHED:
530 0 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
531 0 : MAC2STR(addr));
532 0 : break;
533 : case BLOCKED_CLIENT:
534 0 : wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
535 0 : MAC2STR(addr));
536 0 : break;
537 : }
538 0 : }
539 :
540 :
541 : #ifdef CONFIG_ACS
542 0 : static void hostapd_acs_channel_selected(struct hostapd_data *hapd,
543 : struct acs_selected_channels *acs_res)
544 : {
545 : int ret, i;
546 :
547 0 : if (hapd->iconf->channel) {
548 0 : wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
549 0 : hapd->iconf->channel);
550 0 : return;
551 : }
552 :
553 0 : if (!hapd->iface->current_mode) {
554 0 : for (i = 0; i < hapd->iface->num_hw_features; i++) {
555 0 : struct hostapd_hw_modes *mode =
556 0 : &hapd->iface->hw_features[i];
557 :
558 0 : if (mode->mode == acs_res->hw_mode) {
559 0 : hapd->iface->current_mode = mode;
560 0 : break;
561 : }
562 : }
563 0 : if (!hapd->iface->current_mode) {
564 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
565 : HOSTAPD_LEVEL_WARNING,
566 : "driver selected to bad hw_mode");
567 0 : return;
568 : }
569 : }
570 :
571 0 : hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
572 :
573 0 : if (!acs_res->pri_channel) {
574 0 : hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
575 : HOSTAPD_LEVEL_WARNING,
576 : "driver switched to bad channel");
577 0 : return;
578 : }
579 :
580 0 : hapd->iconf->channel = acs_res->pri_channel;
581 0 : hapd->iconf->acs = 1;
582 :
583 0 : if (acs_res->sec_channel == 0)
584 0 : hapd->iconf->secondary_channel = 0;
585 0 : else if (acs_res->sec_channel < acs_res->pri_channel)
586 0 : hapd->iconf->secondary_channel = -1;
587 0 : else if (acs_res->sec_channel > acs_res->pri_channel)
588 0 : hapd->iconf->secondary_channel = 1;
589 : else {
590 0 : wpa_printf(MSG_ERROR, "Invalid secondary channel!");
591 0 : return;
592 : }
593 :
594 0 : if (hapd->iface->conf->ieee80211ac) {
595 : /* set defaults for backwards compatibility */
596 0 : hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
597 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
598 0 : hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
599 0 : if (acs_res->ch_width == 80) {
600 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
601 0 : acs_res->vht_seg0_center_ch;
602 0 : hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
603 0 : } else if (acs_res->ch_width == 160) {
604 0 : if (acs_res->vht_seg1_center_ch == 0) {
605 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
606 0 : acs_res->vht_seg0_center_ch;
607 0 : hapd->iconf->vht_oper_chwidth =
608 : VHT_CHANWIDTH_160MHZ;
609 : } else {
610 0 : hapd->iconf->vht_oper_centr_freq_seg0_idx =
611 0 : acs_res->vht_seg0_center_ch;
612 0 : hapd->iconf->vht_oper_centr_freq_seg1_idx =
613 0 : acs_res->vht_seg1_center_ch;
614 0 : hapd->iconf->vht_oper_chwidth =
615 : VHT_CHANWIDTH_80P80MHZ;
616 : }
617 : }
618 : }
619 :
620 0 : ret = hostapd_acs_completed(hapd->iface, 0);
621 0 : if (ret) {
622 0 : wpa_printf(MSG_ERROR,
623 : "ACS: Possibly channel configuration is invalid");
624 : }
625 : }
626 : #endif /* CONFIG_ACS */
627 :
628 :
629 0 : int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
630 : const u8 *bssid, const u8 *ie, size_t ie_len,
631 : int ssi_signal)
632 : {
633 : size_t i;
634 0 : int ret = 0;
635 :
636 0 : if (sa == NULL || ie == NULL)
637 0 : return -1;
638 :
639 : random_add_randomness(sa, ETH_ALEN);
640 0 : for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
641 0 : if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
642 : sa, da, bssid, ie, ie_len,
643 : ssi_signal) > 0) {
644 0 : ret = 1;
645 0 : break;
646 : }
647 : }
648 0 : return ret;
649 : }
650 :
651 :
652 : #ifdef HOSTAPD
653 :
654 : #ifdef CONFIG_IEEE80211R
655 0 : static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
656 : const u8 *bssid,
657 : u16 auth_transaction, u16 status,
658 : const u8 *ies, size_t ies_len)
659 : {
660 0 : struct hostapd_data *hapd = ctx;
661 : struct sta_info *sta;
662 :
663 0 : sta = ap_get_sta(hapd, dst);
664 0 : if (sta == NULL)
665 0 : return;
666 :
667 0 : hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
668 : HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
669 0 : sta->flags |= WLAN_STA_AUTH;
670 :
671 0 : hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
672 : }
673 : #endif /* CONFIG_IEEE80211R */
674 :
675 :
676 0 : static void hostapd_notif_auth(struct hostapd_data *hapd,
677 : struct auth_info *rx_auth)
678 : {
679 : struct sta_info *sta;
680 0 : u16 status = WLAN_STATUS_SUCCESS;
681 : u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
682 0 : size_t resp_ies_len = 0;
683 :
684 0 : sta = ap_get_sta(hapd, rx_auth->peer);
685 0 : if (!sta) {
686 0 : sta = ap_sta_add(hapd, rx_auth->peer);
687 0 : if (sta == NULL) {
688 0 : status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
689 0 : goto fail;
690 : }
691 : }
692 0 : sta->flags &= ~WLAN_STA_PREAUTH;
693 0 : ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
694 : #ifdef CONFIG_IEEE80211R
695 0 : if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
696 0 : sta->auth_alg = WLAN_AUTH_FT;
697 0 : if (sta->wpa_sm == NULL)
698 0 : sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
699 0 : sta->addr, NULL);
700 0 : if (sta->wpa_sm == NULL) {
701 0 : wpa_printf(MSG_DEBUG,
702 : "FT: Failed to initialize WPA state machine");
703 0 : status = WLAN_STATUS_UNSPECIFIED_FAILURE;
704 0 : goto fail;
705 : }
706 0 : wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
707 0 : rx_auth->auth_transaction, rx_auth->ies,
708 : rx_auth->ies_len,
709 : hostapd_notify_auth_ft_finish, hapd);
710 0 : return;
711 : }
712 : #endif /* CONFIG_IEEE80211R */
713 : fail:
714 0 : hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
715 : status, resp_ies, resp_ies_len);
716 : }
717 :
718 :
719 0 : static void hostapd_action_rx(struct hostapd_data *hapd,
720 : struct rx_mgmt *drv_mgmt)
721 : {
722 : struct ieee80211_mgmt *mgmt;
723 : struct sta_info *sta;
724 : size_t plen __maybe_unused;
725 : u16 fc;
726 :
727 0 : if (drv_mgmt->frame_len < 24 + 1)
728 0 : return;
729 :
730 0 : plen = drv_mgmt->frame_len - 24 - 1;
731 :
732 0 : mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
733 0 : fc = le_to_host16(mgmt->frame_control);
734 0 : if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
735 0 : return; /* handled by the driver */
736 :
737 0 : wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
738 0 : mgmt->u.action.category, (int) plen);
739 :
740 0 : sta = ap_get_sta(hapd, mgmt->sa);
741 0 : if (sta == NULL) {
742 0 : wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
743 0 : return;
744 : }
745 : #ifdef CONFIG_IEEE80211R
746 0 : if (mgmt->u.action.category == WLAN_ACTION_FT) {
747 0 : const u8 *payload = drv_mgmt->frame + 24 + 1;
748 :
749 0 : wpa_ft_action_rx(sta->wpa_sm, payload, plen);
750 : }
751 : #endif /* CONFIG_IEEE80211R */
752 : #ifdef CONFIG_IEEE80211W
753 0 : if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) {
754 0 : ieee802_11_sa_query_action(
755 0 : hapd, mgmt->sa,
756 0 : mgmt->u.action.u.sa_query_resp.action,
757 0 : mgmt->u.action.u.sa_query_resp.trans_id);
758 : }
759 : #endif /* CONFIG_IEEE80211W */
760 : #ifdef CONFIG_WNM
761 0 : if (mgmt->u.action.category == WLAN_ACTION_WNM) {
762 0 : ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
763 : }
764 : #endif /* CONFIG_WNM */
765 : #ifdef CONFIG_FST
766 0 : if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
767 0 : fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
768 0 : return;
769 : }
770 : #endif /* CONFIG_FST */
771 :
772 : }
773 :
774 :
775 : #ifdef NEED_AP_MLME
776 :
777 : #define HAPD_BROADCAST ((struct hostapd_data *) -1)
778 :
779 28780 : static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
780 : const u8 *bssid)
781 : {
782 : size_t i;
783 :
784 28780 : if (bssid == NULL)
785 0 : return NULL;
786 32351 : if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
787 7142 : bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
788 3571 : return HAPD_BROADCAST;
789 :
790 33824 : for (i = 0; i < iface->num_bss; i++) {
791 25515 : if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
792 16900 : return iface->bss[i];
793 : }
794 :
795 8309 : return NULL;
796 : }
797 :
798 :
799 17 : static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
800 : const u8 *bssid, const u8 *addr,
801 : int wds)
802 : {
803 17 : hapd = get_hapd_bssid(hapd->iface, bssid);
804 17 : if (hapd == NULL || hapd == HAPD_BROADCAST)
805 17 : return;
806 :
807 17 : ieee802_11_rx_from_unknown(hapd, addr, wds);
808 : }
809 :
810 :
811 21469 : static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
812 : {
813 21469 : struct hostapd_iface *iface = hapd->iface;
814 : const struct ieee80211_hdr *hdr;
815 : const u8 *bssid;
816 : struct hostapd_frame_info fi;
817 : int ret;
818 :
819 : #ifdef CONFIG_TESTING_OPTIONS
820 21469 : if (hapd->ext_mgmt_frame_handling) {
821 288 : size_t hex_len = 2 * rx_mgmt->frame_len + 1;
822 288 : char *hex = os_malloc(hex_len);
823 :
824 288 : if (hex) {
825 288 : wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
826 : rx_mgmt->frame_len);
827 288 : wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
828 288 : os_free(hex);
829 : }
830 288 : return 1;
831 : }
832 : #endif /* CONFIG_TESTING_OPTIONS */
833 :
834 21181 : hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
835 21181 : bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
836 21181 : if (bssid == NULL)
837 0 : return 0;
838 :
839 21181 : hapd = get_hapd_bssid(iface, bssid);
840 21181 : if (hapd == NULL) {
841 8236 : u16 fc = le_to_host16(hdr->frame_control);
842 :
843 : /*
844 : * Drop frames to unknown BSSIDs except for Beacon frames which
845 : * could be used to update neighbor information.
846 : */
847 16472 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
848 8236 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
849 8236 : hapd = iface->bss[0];
850 : else
851 0 : return 0;
852 : }
853 :
854 21181 : os_memset(&fi, 0, sizeof(fi));
855 21181 : fi.datarate = rx_mgmt->datarate;
856 21181 : fi.ssi_signal = rx_mgmt->ssi_signal;
857 :
858 21181 : if (hapd == HAPD_BROADCAST) {
859 : size_t i;
860 :
861 3570 : ret = 0;
862 7637 : for (i = 0; i < iface->num_bss; i++) {
863 : /* if bss is set, driver will call this function for
864 : * each bss individually. */
865 8129 : if (rx_mgmt->drv_priv &&
866 4062 : (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
867 494 : continue;
868 :
869 3573 : if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
870 : rx_mgmt->frame_len, &fi) > 0)
871 3573 : ret = 1;
872 : }
873 : } else
874 17611 : ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
875 : &fi);
876 :
877 : random_add_randomness(&fi, sizeof(fi));
878 :
879 21181 : return ret;
880 : }
881 :
882 :
883 7582 : static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
884 : size_t len, u16 stype, int ok)
885 : {
886 : struct ieee80211_hdr *hdr;
887 :
888 7582 : hdr = (struct ieee80211_hdr *) buf;
889 7582 : hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
890 7582 : if (hapd == NULL || hapd == HAPD_BROADCAST)
891 7656 : return;
892 7508 : ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
893 : }
894 :
895 : #endif /* NEED_AP_MLME */
896 :
897 :
898 0 : static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
899 : {
900 0 : struct sta_info *sta = ap_get_sta(hapd, addr);
901 :
902 0 : if (sta)
903 0 : return 0;
904 :
905 0 : wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
906 0 : " - adding a new STA", MAC2STR(addr));
907 0 : sta = ap_sta_add(hapd, addr);
908 0 : if (sta) {
909 0 : hostapd_new_assoc_sta(hapd, sta, 0);
910 : } else {
911 0 : wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
912 0 : MAC2STR(addr));
913 0 : return -1;
914 : }
915 :
916 0 : return 0;
917 : }
918 :
919 :
920 8105 : static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
921 : const u8 *data, size_t data_len)
922 : {
923 8105 : struct hostapd_iface *iface = hapd->iface;
924 : struct sta_info *sta;
925 : size_t j;
926 :
927 8152 : for (j = 0; j < iface->num_bss; j++) {
928 8124 : sta = ap_get_sta(iface->bss[j], src);
929 8124 : if (sta && sta->flags & WLAN_STA_ASSOC) {
930 8077 : hapd = iface->bss[j];
931 8077 : break;
932 : }
933 : }
934 :
935 8105 : ieee802_1x_receive(hapd, src, data, data_len);
936 8105 : }
937 :
938 :
939 50 : static struct hostapd_channel_data * hostapd_get_mode_channel(
940 : struct hostapd_iface *iface, unsigned int freq)
941 : {
942 : int i;
943 : struct hostapd_channel_data *chan;
944 :
945 50 : for (i = 0; i < iface->current_mode->num_channels; i++) {
946 50 : chan = &iface->current_mode->channels[i];
947 50 : if (!chan)
948 0 : return NULL;
949 50 : if ((unsigned int) chan->freq == freq)
950 50 : return chan;
951 : }
952 :
953 0 : return NULL;
954 : }
955 :
956 :
957 45 : static void hostapd_update_nf(struct hostapd_iface *iface,
958 : struct hostapd_channel_data *chan,
959 : struct freq_survey *survey)
960 : {
961 45 : if (!iface->chans_surveyed) {
962 9 : chan->min_nf = survey->nf;
963 9 : iface->lowest_nf = survey->nf;
964 : } else {
965 36 : if (dl_list_empty(&chan->survey_list))
966 0 : chan->min_nf = survey->nf;
967 36 : else if (survey->nf < chan->min_nf)
968 0 : chan->min_nf = survey->nf;
969 36 : if (survey->nf < iface->lowest_nf)
970 0 : iface->lowest_nf = survey->nf;
971 : }
972 45 : }
973 :
974 :
975 5 : static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
976 : struct survey_results *survey_res)
977 : {
978 : struct hostapd_channel_data *chan;
979 : struct freq_survey *survey;
980 : u64 divisor, dividend;
981 :
982 5 : survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
983 : list);
984 5 : if (!survey || !survey->freq)
985 0 : return;
986 :
987 5 : chan = hostapd_get_mode_channel(iface, survey->freq);
988 5 : if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
989 0 : return;
990 :
991 5 : wpa_printf(MSG_DEBUG,
992 : "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
993 : survey->freq,
994 : (unsigned long int) survey->channel_time,
995 : (unsigned long int) survey->channel_time_busy);
996 :
997 5 : if (survey->channel_time > iface->last_channel_time &&
998 0 : survey->channel_time > survey->channel_time_busy) {
999 0 : dividend = survey->channel_time_busy -
1000 0 : iface->last_channel_time_busy;
1001 0 : divisor = survey->channel_time - iface->last_channel_time;
1002 :
1003 0 : iface->channel_utilization = dividend * 255 / divisor;
1004 0 : wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1005 0 : iface->channel_utilization);
1006 : }
1007 5 : iface->last_channel_time = survey->channel_time;
1008 5 : iface->last_channel_time_busy = survey->channel_time_busy;
1009 : }
1010 :
1011 :
1012 50 : static void hostapd_event_get_survey(struct hostapd_data *hapd,
1013 : struct survey_results *survey_results)
1014 : {
1015 50 : struct hostapd_iface *iface = hapd->iface;
1016 : struct freq_survey *survey, *tmp;
1017 : struct hostapd_channel_data *chan;
1018 :
1019 50 : if (dl_list_empty(&survey_results->survey_list)) {
1020 0 : wpa_printf(MSG_DEBUG, "No survey data received");
1021 0 : return;
1022 : }
1023 :
1024 50 : if (survey_results->freq_filter) {
1025 5 : hostapd_single_channel_get_survey(iface, survey_results);
1026 5 : return;
1027 : }
1028 :
1029 90 : dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1030 : struct freq_survey, list) {
1031 45 : chan = hostapd_get_mode_channel(iface, survey->freq);
1032 45 : if (!chan)
1033 0 : continue;
1034 45 : if (chan->flag & HOSTAPD_CHAN_DISABLED)
1035 0 : continue;
1036 :
1037 45 : dl_list_del(&survey->list);
1038 45 : dl_list_add_tail(&chan->survey_list, &survey->list);
1039 :
1040 45 : hostapd_update_nf(iface, chan, survey);
1041 :
1042 45 : iface->chans_surveyed++;
1043 : }
1044 : }
1045 :
1046 :
1047 : #ifdef NEED_AP_MLME
1048 :
1049 5 : static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1050 : {
1051 5 : wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1052 5 : hapd->conf->iface);
1053 :
1054 5 : if (hapd->csa_in_progress) {
1055 0 : wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1056 0 : hapd->conf->iface);
1057 0 : hostapd_switch_channel_fallback(hapd->iface,
1058 0 : &hapd->cs_freq_params);
1059 : }
1060 5 : }
1061 :
1062 :
1063 10 : static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1064 : struct dfs_event *radar)
1065 : {
1066 10 : wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1067 20 : hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
1068 10 : radar->chan_offset, radar->chan_width,
1069 : radar->cf1, radar->cf2);
1070 10 : }
1071 :
1072 :
1073 5 : static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1074 : struct dfs_event *radar)
1075 : {
1076 5 : wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1077 10 : hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
1078 5 : radar->chan_offset, radar->chan_width,
1079 : radar->cf1, radar->cf2);
1080 5 : }
1081 :
1082 :
1083 6 : static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1084 : struct dfs_event *radar)
1085 : {
1086 6 : wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1087 12 : hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
1088 6 : radar->chan_offset, radar->chan_width,
1089 : radar->cf1, radar->cf2);
1090 6 : }
1091 :
1092 :
1093 0 : static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1094 : struct dfs_event *radar)
1095 : {
1096 0 : wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1097 0 : hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
1098 0 : radar->chan_offset, radar->chan_width,
1099 : radar->cf1, radar->cf2);
1100 0 : }
1101 :
1102 :
1103 0 : static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1104 : struct dfs_event *radar)
1105 : {
1106 0 : wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1107 0 : hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1108 0 : radar->chan_offset, radar->chan_width,
1109 : radar->cf1, radar->cf2);
1110 0 : }
1111 :
1112 : #endif /* NEED_AP_MLME */
1113 :
1114 :
1115 49994 : void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1116 : union wpa_event_data *data)
1117 : {
1118 49994 : struct hostapd_data *hapd = ctx;
1119 : #ifndef CONFIG_NO_STDOUT_DEBUG
1120 49994 : int level = MSG_DEBUG;
1121 :
1122 71463 : if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
1123 21469 : data->rx_mgmt.frame_len >= 24) {
1124 : const struct ieee80211_hdr *hdr;
1125 : u16 fc;
1126 :
1127 21469 : hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1128 21469 : fc = le_to_host16(hdr->frame_control);
1129 42938 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1130 21469 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1131 8255 : level = MSG_EXCESSIVE;
1132 42938 : if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1133 21469 : WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1134 3787 : level = MSG_EXCESSIVE;
1135 : }
1136 :
1137 49994 : wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1138 : event_to_string(event), event);
1139 : #endif /* CONFIG_NO_STDOUT_DEBUG */
1140 :
1141 49994 : switch (event) {
1142 : case EVENT_MICHAEL_MIC_FAILURE:
1143 2 : michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1144 2 : break;
1145 : case EVENT_SCAN_RESULTS:
1146 98 : if (hapd->iface->scan_cb)
1147 98 : hapd->iface->scan_cb(hapd->iface);
1148 98 : break;
1149 : case EVENT_WPS_BUTTON_PUSHED:
1150 0 : hostapd_wps_button_pushed(hapd, NULL);
1151 0 : break;
1152 : #ifdef NEED_AP_MLME
1153 : case EVENT_TX_STATUS:
1154 7584 : switch (data->tx_status.type) {
1155 : case WLAN_FC_TYPE_MGMT:
1156 15164 : hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1157 : data->tx_status.data_len,
1158 7582 : data->tx_status.stype,
1159 : data->tx_status.ack);
1160 7582 : break;
1161 : case WLAN_FC_TYPE_DATA:
1162 2 : hostapd_tx_status(hapd, data->tx_status.dst,
1163 : data->tx_status.data,
1164 : data->tx_status.data_len,
1165 : data->tx_status.ack);
1166 2 : break;
1167 : }
1168 7584 : break;
1169 : case EVENT_EAPOL_TX_STATUS:
1170 18662 : hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1171 : data->eapol_tx_status.data,
1172 9331 : data->eapol_tx_status.data_len,
1173 : data->eapol_tx_status.ack);
1174 9331 : break;
1175 : case EVENT_DRIVER_CLIENT_POLL_OK:
1176 1 : hostapd_client_poll_ok(hapd, data->client_poll.addr);
1177 1 : break;
1178 : case EVENT_RX_FROM_UNKNOWN:
1179 17 : hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1180 : data->rx_from_unknown.addr,
1181 : data->rx_from_unknown.wds);
1182 17 : break;
1183 : #endif /* NEED_AP_MLME */
1184 : case EVENT_RX_MGMT:
1185 21469 : if (!data->rx_mgmt.frame)
1186 0 : break;
1187 : #ifdef NEED_AP_MLME
1188 21469 : if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0)
1189 21469 : break;
1190 : #endif /* NEED_AP_MLME */
1191 0 : hostapd_action_rx(hapd, &data->rx_mgmt);
1192 0 : break;
1193 : case EVENT_RX_PROBE_REQ:
1194 0 : if (data->rx_probe_req.sa == NULL ||
1195 0 : data->rx_probe_req.ie == NULL)
1196 : break;
1197 0 : hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
1198 : data->rx_probe_req.da,
1199 : data->rx_probe_req.bssid,
1200 : data->rx_probe_req.ie,
1201 : data->rx_probe_req.ie_len,
1202 : data->rx_probe_req.ssi_signal);
1203 0 : break;
1204 : case EVENT_NEW_STA:
1205 0 : hostapd_event_new_sta(hapd, data->new_sta.addr);
1206 0 : break;
1207 : case EVENT_EAPOL_RX:
1208 8105 : hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1209 : data->eapol_rx.data,
1210 : data->eapol_rx.data_len);
1211 8105 : break;
1212 : case EVENT_ASSOC:
1213 0 : if (!data)
1214 49994 : return;
1215 0 : hostapd_notif_assoc(hapd, data->assoc_info.addr,
1216 : data->assoc_info.req_ies,
1217 : data->assoc_info.req_ies_len,
1218 : data->assoc_info.reassoc);
1219 0 : break;
1220 : case EVENT_DISASSOC:
1221 0 : if (data)
1222 0 : hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1223 0 : break;
1224 : case EVENT_DEAUTH:
1225 0 : if (data)
1226 0 : hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1227 0 : break;
1228 : case EVENT_STATION_LOW_ACK:
1229 0 : if (!data)
1230 0 : break;
1231 0 : hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1232 0 : break;
1233 : case EVENT_AUTH:
1234 0 : hostapd_notif_auth(hapd, &data->auth);
1235 0 : break;
1236 : case EVENT_CH_SWITCH:
1237 20 : if (!data)
1238 0 : break;
1239 40 : hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1240 : data->ch_switch.ht_enabled,
1241 : data->ch_switch.ch_offset,
1242 20 : data->ch_switch.ch_width,
1243 : data->ch_switch.cf1,
1244 : data->ch_switch.cf2);
1245 20 : break;
1246 : case EVENT_CONNECT_FAILED_REASON:
1247 0 : if (!data)
1248 0 : break;
1249 0 : hostapd_event_connect_failed_reason(
1250 0 : hapd, data->connect_failed_reason.addr,
1251 0 : data->connect_failed_reason.code);
1252 0 : break;
1253 : case EVENT_SURVEY:
1254 50 : hostapd_event_get_survey(hapd, &data->survey_results);
1255 50 : break;
1256 : #ifdef NEED_AP_MLME
1257 : case EVENT_INTERFACE_UNAVAILABLE:
1258 5 : hostapd_event_iface_unavailable(hapd);
1259 5 : break;
1260 : case EVENT_DFS_RADAR_DETECTED:
1261 10 : if (!data)
1262 0 : break;
1263 10 : hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1264 10 : break;
1265 : case EVENT_DFS_CAC_FINISHED:
1266 5 : if (!data)
1267 0 : break;
1268 5 : hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1269 5 : break;
1270 : case EVENT_DFS_CAC_ABORTED:
1271 6 : if (!data)
1272 0 : break;
1273 6 : hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1274 6 : break;
1275 : case EVENT_DFS_NOP_FINISHED:
1276 0 : if (!data)
1277 0 : break;
1278 0 : hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1279 0 : break;
1280 : case EVENT_CHANNEL_LIST_CHANGED:
1281 : /* channel list changed (regulatory?), update channel list */
1282 : /* TODO: check this. hostapd_get_hw_features() initializes
1283 : * too much stuff. */
1284 : /* hostapd_get_hw_features(hapd->iface); */
1285 2751 : hostapd_channel_list_updated(
1286 2751 : hapd->iface, data->channel_list_changed.initiator);
1287 2751 : break;
1288 : case EVENT_DFS_CAC_STARTED:
1289 0 : if (!data)
1290 0 : break;
1291 0 : hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1292 0 : break;
1293 : #endif /* NEED_AP_MLME */
1294 : case EVENT_INTERFACE_ENABLED:
1295 3 : wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
1296 3 : if (hapd->disabled && hapd->started) {
1297 3 : hapd->disabled = 0;
1298 : /*
1299 : * Try to re-enable interface if the driver stopped it
1300 : * when the interface got disabled.
1301 : */
1302 3 : wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1303 3 : hapd->reenable_beacon = 1;
1304 3 : ieee802_11_set_beacon(hapd);
1305 : }
1306 3 : break;
1307 : case EVENT_INTERFACE_DISABLED:
1308 4 : hostapd_free_stas(hapd);
1309 4 : wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
1310 4 : hapd->disabled = 1;
1311 4 : break;
1312 : #ifdef CONFIG_ACS
1313 : case EVENT_ACS_CHANNEL_SELECTED:
1314 0 : hostapd_acs_channel_selected(hapd,
1315 : &data->acs_selected_channels);
1316 0 : break;
1317 : #endif /* CONFIG_ACS */
1318 : default:
1319 533 : wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1320 533 : break;
1321 : }
1322 : }
1323 :
1324 : #endif /* HOSTAPD */
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