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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 | |
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 | ||
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 | ||
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 | ||
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 | ||
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 | ||
774 | void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, | |
775 | int offset, int width, int cf1, int cf2, | |
776 | int finished) | |
777 | { | |
778 | /* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */ | |
779 | ||
780 | #ifdef NEED_AP_MLME | |
781 | int channel, chwidth, is_dfs; | |
782 | u8 seg0_idx = 0, seg1_idx = 0; | |
783 | size_t i; | |
784 | ||
785 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
786 | HOSTAPD_LEVEL_INFO, | |
787 | "driver %s channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d", | |
788 | finished ? "had" : "starting", | |
789 | freq, ht, hapd->iconf->ch_switch_vht_config, offset, | |
790 | width, channel_width_to_string(width), cf1, cf2); | |
791 | ||
792 | hapd->iface->freq = freq; | |
793 | ||
794 | channel = hostapd_hw_get_channel(hapd, freq); | |
795 | if (!channel) { | |
796 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
797 | HOSTAPD_LEVEL_WARNING, | |
798 | "driver switched to bad channel!"); | |
799 | return; | |
800 | } | |
801 | ||
802 | switch (width) { | |
803 | case CHAN_WIDTH_80: | |
804 | chwidth = VHT_CHANWIDTH_80MHZ; | |
805 | break; | |
806 | case CHAN_WIDTH_80P80: | |
807 | chwidth = VHT_CHANWIDTH_80P80MHZ; | |
808 | break; | |
809 | case CHAN_WIDTH_160: | |
810 | chwidth = VHT_CHANWIDTH_160MHZ; | |
811 | break; | |
812 | case CHAN_WIDTH_20_NOHT: | |
813 | case CHAN_WIDTH_20: | |
814 | case CHAN_WIDTH_40: | |
815 | default: | |
816 | chwidth = VHT_CHANWIDTH_USE_HT; | |
817 | break; | |
818 | } | |
819 | ||
820 | switch (hapd->iface->current_mode->mode) { | |
821 | case HOSTAPD_MODE_IEEE80211A: | |
822 | if (cf1 > 5000) | |
823 | seg0_idx = (cf1 - 5000) / 5; | |
824 | if (cf2 > 5000) | |
825 | seg1_idx = (cf2 - 5000) / 5; | |
826 | break; | |
827 | default: | |
828 | ieee80211_freq_to_chan(cf1, &seg0_idx); | |
829 | ieee80211_freq_to_chan(cf2, &seg1_idx); | |
830 | break; | |
831 | } | |
832 | ||
833 | hapd->iconf->channel = channel; | |
834 | hapd->iconf->ieee80211n = ht; | |
835 | if (!ht) { | |
836 | hapd->iconf->ieee80211ac = 0; | |
837 | } else if (hapd->iconf->ch_switch_vht_config) { | |
838 | /* CHAN_SWITCH VHT config */ | |
839 | if (hapd->iconf->ch_switch_vht_config & | |
840 | CH_SWITCH_VHT_ENABLED) | |
841 | hapd->iconf->ieee80211ac = 1; | |
842 | else if (hapd->iconf->ch_switch_vht_config & | |
843 | CH_SWITCH_VHT_DISABLED) | |
844 | hapd->iconf->ieee80211ac = 0; | |
845 | } | |
846 | hapd->iconf->ch_switch_vht_config = 0; | |
847 | ||
848 | hapd->iconf->secondary_channel = offset; | |
849 | hapd->iconf->vht_oper_chwidth = chwidth; | |
850 | hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; | |
851 | hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; | |
852 | ||
853 | is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features, | |
854 | hapd->iface->num_hw_features); | |
855 | ||
856 | wpa_msg(hapd->msg_ctx, MSG_INFO, | |
857 | "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d dfs=%d", | |
858 | finished ? WPA_EVENT_CHANNEL_SWITCH : | |
859 | WPA_EVENT_CHANNEL_SWITCH_STARTED, | |
860 | freq, ht, offset, channel_width_to_string(width), | |
861 | cf1, cf2, is_dfs); | |
862 | if (!finished) | |
863 | return; | |
864 | ||
865 | if (hapd->csa_in_progress && | |
866 | freq == hapd->cs_freq_params.freq) { | |
867 | hostapd_cleanup_cs_params(hapd); | |
868 | ieee802_11_set_beacon(hapd); | |
869 | ||
870 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED | |
871 | "freq=%d dfs=%d", freq, is_dfs); | |
872 | } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { | |
873 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED | |
874 | "freq=%d dfs=%d", freq, is_dfs); | |
875 | } | |
876 | ||
877 | for (i = 0; i < hapd->iface->num_bss; i++) | |
878 | hostapd_neighbor_set_own_report(hapd->iface->bss[i]); | |
879 | #endif /* NEED_AP_MLME */ | |
880 | } | |
881 | ||
882 | ||
883 | void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, | |
884 | const u8 *addr, int reason_code) | |
885 | { | |
886 | switch (reason_code) { | |
887 | case MAX_CLIENT_REACHED: | |
888 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR, | |
889 | MAC2STR(addr)); | |
890 | break; | |
891 | case BLOCKED_CLIENT: | |
892 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR, | |
893 | MAC2STR(addr)); | |
894 | break; | |
895 | } | |
896 | } | |
897 | ||
898 | ||
899 | #ifdef CONFIG_ACS | |
900 | void hostapd_acs_channel_selected(struct hostapd_data *hapd, | |
901 | struct acs_selected_channels *acs_res) | |
902 | { | |
903 | int ret, i; | |
904 | int err = 0; | |
905 | ||
906 | if (hapd->iconf->channel) { | |
907 | wpa_printf(MSG_INFO, "ACS: Channel was already set to %d", | |
908 | hapd->iconf->channel); | |
909 | return; | |
910 | } | |
911 | ||
912 | if (!hapd->iface->current_mode) { | |
913 | for (i = 0; i < hapd->iface->num_hw_features; i++) { | |
914 | struct hostapd_hw_modes *mode = | |
915 | &hapd->iface->hw_features[i]; | |
916 | ||
917 | if (mode->mode == acs_res->hw_mode) { | |
918 | hapd->iface->current_mode = mode; | |
919 | break; | |
920 | } | |
921 | } | |
922 | if (!hapd->iface->current_mode) { | |
923 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
924 | HOSTAPD_LEVEL_WARNING, | |
925 | "driver selected to bad hw_mode"); | |
926 | err = 1; | |
927 | goto out; | |
928 | } | |
929 | } | |
930 | ||
931 | hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel); | |
932 | ||
933 | if (!acs_res->pri_channel) { | |
934 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
935 | HOSTAPD_LEVEL_WARNING, | |
936 | "driver switched to bad channel"); | |
937 | err = 1; | |
938 | goto out; | |
939 | } | |
940 | ||
941 | hapd->iconf->channel = acs_res->pri_channel; | |
942 | hapd->iconf->acs = 1; | |
943 | ||
944 | if (acs_res->sec_channel == 0) | |
945 | hapd->iconf->secondary_channel = 0; | |
946 | else if (acs_res->sec_channel < acs_res->pri_channel) | |
947 | hapd->iconf->secondary_channel = -1; | |
948 | else if (acs_res->sec_channel > acs_res->pri_channel) | |
949 | hapd->iconf->secondary_channel = 1; | |
950 | else { | |
951 | wpa_printf(MSG_ERROR, "Invalid secondary channel!"); | |
952 | err = 1; | |
953 | goto out; | |
954 | } | |
955 | ||
956 | if (hapd->iface->conf->ieee80211ac) { | |
957 | /* set defaults for backwards compatibility */ | |
958 | hapd->iconf->vht_oper_centr_freq_seg1_idx = 0; | |
959 | hapd->iconf->vht_oper_centr_freq_seg0_idx = 0; | |
960 | hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; | |
961 | if (acs_res->ch_width == 80) { | |
962 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
963 | acs_res->vht_seg0_center_ch; | |
964 | hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; | |
965 | } else if (acs_res->ch_width == 160) { | |
966 | if (acs_res->vht_seg1_center_ch == 0) { | |
967 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
968 | acs_res->vht_seg0_center_ch; | |
969 | hapd->iconf->vht_oper_chwidth = | |
970 | VHT_CHANWIDTH_160MHZ; | |
971 | } else { | |
972 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
973 | acs_res->vht_seg0_center_ch; | |
974 | hapd->iconf->vht_oper_centr_freq_seg1_idx = | |
975 | acs_res->vht_seg1_center_ch; | |
976 | hapd->iconf->vht_oper_chwidth = | |
977 | VHT_CHANWIDTH_80P80MHZ; | |
978 | } | |
979 | } | |
980 | } | |
981 | ||
982 | out: | |
983 | ret = hostapd_acs_completed(hapd->iface, err); | |
984 | if (ret) { | |
985 | wpa_printf(MSG_ERROR, | |
986 | "ACS: Possibly channel configuration is invalid"); | |
987 | } | |
988 | } | |
989 | #endif /* CONFIG_ACS */ | |
990 | ||
991 | ||
992 | int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, | |
993 | const u8 *bssid, const u8 *ie, size_t ie_len, | |
994 | int ssi_signal) | |
995 | { | |
996 | size_t i; | |
997 | int ret = 0; | |
998 | ||
999 | if (sa == NULL || ie == NULL) | |
1000 | return -1; | |
1001 | ||
1002 | random_add_randomness(sa, ETH_ALEN); | |
1003 | for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { | |
1004 | if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, | |
1005 | sa, da, bssid, ie, ie_len, | |
1006 | ssi_signal) > 0) { | |
1007 | ret = 1; | |
1008 | break; | |
1009 | } | |
1010 | } | |
1011 | return ret; | |
1012 | } | |
1013 | ||
1014 | ||
1015 | #ifdef HOSTAPD | |
1016 | ||
1017 | #ifdef CONFIG_IEEE80211R_AP | |
1018 | static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst, | |
1019 | const u8 *bssid, | |
1020 | u16 auth_transaction, u16 status, | |
1021 | const u8 *ies, size_t ies_len) | |
1022 | { | |
1023 | struct hostapd_data *hapd = ctx; | |
1024 | struct sta_info *sta; | |
1025 | ||
1026 | sta = ap_get_sta(hapd, dst); | |
1027 | if (sta == NULL) | |
1028 | return; | |
1029 | ||
1030 | hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, | |
1031 | HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); | |
1032 | sta->flags |= WLAN_STA_AUTH; | |
1033 | ||
1034 | hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len); | |
1035 | } | |
1036 | #endif /* CONFIG_IEEE80211R_AP */ | |
1037 | ||
1038 | ||
1039 | #ifdef CONFIG_FILS | |
1040 | static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd, | |
1041 | struct sta_info *sta, u16 resp, | |
1042 | struct wpabuf *data, int pub) | |
1043 | { | |
1044 | if (resp == WLAN_STATUS_SUCCESS) { | |
1045 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1046 | HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)"); | |
1047 | sta->flags |= WLAN_STA_AUTH; | |
1048 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
1049 | sta->auth_alg = WLAN_AUTH_FILS_SK; | |
1050 | mlme_authenticate_indication(hapd, sta); | |
1051 | } else { | |
1052 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1053 | HOSTAPD_LEVEL_DEBUG, | |
1054 | "authentication failed (FILS)"); | |
1055 | } | |
1056 | ||
1057 | hostapd_sta_auth(hapd, sta->addr, 2, resp, | |
1058 | data ? wpabuf_head(data) : NULL, | |
1059 | data ? wpabuf_len(data) : 0); | |
1060 | wpabuf_free(data); | |
1061 | } | |
1062 | #endif /* CONFIG_FILS */ | |
1063 | ||
1064 | ||
1065 | static void hostapd_notif_auth(struct hostapd_data *hapd, | |
1066 | struct auth_info *rx_auth) | |
1067 | { | |
1068 | struct sta_info *sta; | |
1069 | u16 status = WLAN_STATUS_SUCCESS; | |
1070 | u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; | |
1071 | size_t resp_ies_len = 0; | |
1072 | ||
1073 | sta = ap_get_sta(hapd, rx_auth->peer); | |
1074 | if (!sta) { | |
1075 | sta = ap_sta_add(hapd, rx_auth->peer); | |
1076 | if (sta == NULL) { | |
1077 | status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
1078 | goto fail; | |
1079 | } | |
1080 | } | |
1081 | sta->flags &= ~WLAN_STA_PREAUTH; | |
1082 | ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); | |
1083 | #ifdef CONFIG_IEEE80211R_AP | |
1084 | if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) { | |
1085 | sta->auth_alg = WLAN_AUTH_FT; | |
1086 | if (sta->wpa_sm == NULL) | |
1087 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
1088 | sta->addr, NULL); | |
1089 | if (sta->wpa_sm == NULL) { | |
1090 | wpa_printf(MSG_DEBUG, | |
1091 | "FT: Failed to initialize WPA state machine"); | |
1092 | status = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1093 | goto fail; | |
1094 | } | |
1095 | wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid, | |
1096 | rx_auth->auth_transaction, rx_auth->ies, | |
1097 | rx_auth->ies_len, | |
1098 | hostapd_notify_auth_ft_finish, hapd); | |
1099 | return; | |
1100 | } | |
1101 | #endif /* CONFIG_IEEE80211R_AP */ | |
1102 | ||
1103 | #ifdef CONFIG_FILS | |
1104 | if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) { | |
1105 | sta->auth_alg = WLAN_AUTH_FILS_SK; | |
1106 | handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len, | |
1107 | rx_auth->auth_type, rx_auth->auth_transaction, | |
1108 | rx_auth->status_code, | |
1109 | hostapd_notify_auth_fils_finish); | |
1110 | return; | |
1111 | } | |
1112 | #endif /* CONFIG_FILS */ | |
1113 | ||
1114 | fail: | |
1115 | hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1, | |
1116 | status, resp_ies, resp_ies_len); | |
1117 | } | |
1118 | ||
1119 | ||
1120 | #ifndef NEED_AP_MLME | |
1121 | static void hostapd_action_rx(struct hostapd_data *hapd, | |
1122 | struct rx_mgmt *drv_mgmt) | |
1123 | { | |
1124 | struct ieee80211_mgmt *mgmt; | |
1125 | struct sta_info *sta; | |
1126 | size_t plen __maybe_unused; | |
1127 | u16 fc; | |
1128 | u8 *action __maybe_unused; | |
1129 | ||
1130 | if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1) | |
1131 | return; | |
1132 | ||
1133 | plen = drv_mgmt->frame_len - IEEE80211_HDRLEN; | |
1134 | ||
1135 | mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame; | |
1136 | fc = le_to_host16(mgmt->frame_control); | |
1137 | if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) | |
1138 | return; /* handled by the driver */ | |
1139 | ||
1140 | action = (u8 *) &mgmt->u.action.u; | |
1141 | wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR | |
1142 | " da " MACSTR " plen %d", | |
1143 | mgmt->u.action.category, *action, | |
1144 | MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen); | |
1145 | ||
1146 | sta = ap_get_sta(hapd, mgmt->sa); | |
1147 | if (sta == NULL) { | |
1148 | wpa_printf(MSG_DEBUG, "%s: station not found", __func__); | |
1149 | return; | |
1150 | } | |
1151 | #ifdef CONFIG_IEEE80211R_AP | |
1152 | if (mgmt->u.action.category == WLAN_ACTION_FT) { | |
1153 | wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen); | |
1154 | return; | |
1155 | } | |
1156 | #endif /* CONFIG_IEEE80211R_AP */ | |
1157 | #ifdef CONFIG_IEEE80211W | |
1158 | if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) { | |
1159 | ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len); | |
1160 | return; | |
1161 | } | |
1162 | #endif /* CONFIG_IEEE80211W */ | |
1163 | #ifdef CONFIG_WNM_AP | |
1164 | if (mgmt->u.action.category == WLAN_ACTION_WNM) { | |
1165 | ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len); | |
1166 | return; | |
1167 | } | |
1168 | #endif /* CONFIG_WNM_AP */ | |
1169 | #ifdef CONFIG_FST | |
1170 | if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) { | |
1171 | fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len); | |
1172 | return; | |
1173 | } | |
1174 | #endif /* CONFIG_FST */ | |
1175 | #ifdef CONFIG_DPP | |
1176 | if (plen >= 2 + 4 && | |
1177 | mgmt->u.action.u.vs_public_action.action == | |
1178 | WLAN_PA_VENDOR_SPECIFIC && | |
1179 | WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) == | |
1180 | OUI_WFA && | |
1181 | mgmt->u.action.u.vs_public_action.variable[0] == | |
1182 | DPP_OUI_TYPE) { | |
1183 | const u8 *pos, *end; | |
1184 | ||
1185 | pos = mgmt->u.action.u.vs_public_action.oui; | |
1186 | end = drv_mgmt->frame + drv_mgmt->frame_len; | |
1187 | hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos, | |
1188 | drv_mgmt->freq); | |
1189 | return; | |
1190 | } | |
1191 | #endif /* CONFIG_DPP */ | |
1192 | } | |
1193 | #endif /* NEED_AP_MLME */ | |
1194 | ||
1195 | ||
1196 | #ifdef NEED_AP_MLME | |
1197 | ||
1198 | #define HAPD_BROADCAST ((struct hostapd_data *) -1) | |
1199 | ||
1200 | static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, | |
1201 | const u8 *bssid) | |
1202 | { | |
1203 | size_t i; | |
1204 | ||
1205 | if (bssid == NULL) | |
1206 | return NULL; | |
1207 | if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && | |
1208 | bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) | |
1209 | return HAPD_BROADCAST; | |
1210 | ||
1211 | for (i = 0; i < iface->num_bss; i++) { | |
1212 | if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) | |
1213 | return iface->bss[i]; | |
1214 | } | |
1215 | ||
1216 | return NULL; | |
1217 | } | |
1218 | ||
1219 | ||
1220 | static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, | |
1221 | const u8 *bssid, const u8 *addr, | |
1222 | int wds) | |
1223 | { | |
1224 | hapd = get_hapd_bssid(hapd->iface, bssid); | |
1225 | if (hapd == NULL || hapd == HAPD_BROADCAST) | |
1226 | return; | |
1227 | ||
1228 | ieee802_11_rx_from_unknown(hapd, addr, wds); | |
1229 | } | |
1230 | ||
1231 | ||
1232 | static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) | |
1233 | { | |
1234 | struct hostapd_iface *iface = hapd->iface; | |
1235 | const struct ieee80211_hdr *hdr; | |
1236 | const u8 *bssid; | |
1237 | struct hostapd_frame_info fi; | |
1238 | int ret; | |
1239 | ||
1240 | #ifdef CONFIG_TESTING_OPTIONS | |
1241 | if (hapd->ext_mgmt_frame_handling) { | |
1242 | size_t hex_len = 2 * rx_mgmt->frame_len + 1; | |
1243 | char *hex = os_malloc(hex_len); | |
1244 | ||
1245 | if (hex) { | |
1246 | wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame, | |
1247 | rx_mgmt->frame_len); | |
1248 | wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex); | |
1249 | os_free(hex); | |
1250 | } | |
1251 | return 1; | |
1252 | } | |
1253 | #endif /* CONFIG_TESTING_OPTIONS */ | |
1254 | ||
1255 | hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; | |
1256 | bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); | |
1257 | if (bssid == NULL) | |
1258 | return 0; | |
1259 | ||
1260 | hapd = get_hapd_bssid(iface, bssid); | |
1261 | if (hapd == NULL) { | |
1262 | u16 fc = le_to_host16(hdr->frame_control); | |
1263 | ||
1264 | /* | |
1265 | * Drop frames to unknown BSSIDs except for Beacon frames which | |
1266 | * could be used to update neighbor information. | |
1267 | */ | |
1268 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
1269 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) | |
1270 | hapd = iface->bss[0]; | |
1271 | else | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | os_memset(&fi, 0, sizeof(fi)); | |
1276 | fi.freq = rx_mgmt->freq; | |
1277 | fi.datarate = rx_mgmt->datarate; | |
1278 | fi.ssi_signal = rx_mgmt->ssi_signal; | |
1279 | ||
1280 | if (hapd == HAPD_BROADCAST) { | |
1281 | size_t i; | |
1282 | ||
1283 | ret = 0; | |
1284 | for (i = 0; i < iface->num_bss; i++) { | |
1285 | /* if bss is set, driver will call this function for | |
1286 | * each bss individually. */ | |
1287 | if (rx_mgmt->drv_priv && | |
1288 | (iface->bss[i]->drv_priv != rx_mgmt->drv_priv)) | |
1289 | continue; | |
1290 | ||
1291 | if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, | |
1292 | rx_mgmt->frame_len, &fi) > 0) | |
1293 | ret = 1; | |
1294 | } | |
1295 | } else | |
1296 | ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, | |
1297 | &fi); | |
1298 | ||
1299 | random_add_randomness(&fi, sizeof(fi)); | |
1300 | ||
1301 | return ret; | |
1302 | } | |
1303 | ||
1304 | ||
1305 | static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, | |
1306 | size_t len, u16 stype, int ok) | |
1307 | { | |
1308 | struct ieee80211_hdr *hdr; | |
1309 | struct hostapd_data *orig_hapd = hapd; | |
1310 | ||
1311 | hdr = (struct ieee80211_hdr *) buf; | |
1312 | hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); | |
1313 | if (!hapd) | |
1314 | return; | |
1315 | if (hapd == HAPD_BROADCAST) { | |
1316 | if (stype != WLAN_FC_STYPE_ACTION || len <= 25 || | |
1317 | buf[24] != WLAN_ACTION_PUBLIC) | |
1318 | return; | |
1319 | hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2); | |
1320 | if (!hapd || hapd == HAPD_BROADCAST) | |
1321 | return; | |
1322 | /* | |
1323 | * Allow processing of TX status for a Public Action frame that | |
1324 | * used wildcard BBSID. | |
1325 | */ | |
1326 | } | |
1327 | ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); | |
1328 | } | |
1329 | ||
1330 | #endif /* NEED_AP_MLME */ | |
1331 | ||
1332 | ||
1333 | static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) | |
1334 | { | |
1335 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
1336 | ||
1337 | if (sta) | |
1338 | return 0; | |
1339 | ||
1340 | wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR | |
1341 | " - adding a new STA", MAC2STR(addr)); | |
1342 | sta = ap_sta_add(hapd, addr); | |
1343 | if (sta) { | |
1344 | hostapd_new_assoc_sta(hapd, sta, 0); | |
1345 | } else { | |
1346 | wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, | |
1347 | MAC2STR(addr)); | |
1348 | return -1; | |
1349 | } | |
1350 | ||
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | ||
1355 | static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, | |
1356 | const u8 *data, size_t data_len) | |
1357 | { | |
1358 | struct hostapd_iface *iface = hapd->iface; | |
1359 | struct sta_info *sta; | |
1360 | size_t j; | |
1361 | ||
1362 | for (j = 0; j < iface->num_bss; j++) { | |
1363 | sta = ap_get_sta(iface->bss[j], src); | |
1364 | if (sta && sta->flags & WLAN_STA_ASSOC) { | |
1365 | hapd = iface->bss[j]; | |
1366 | break; | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | ieee802_1x_receive(hapd, src, data, data_len); | |
1371 | } | |
1372 | ||
1373 | #endif /* HOSTAPD */ | |
1374 | ||
1375 | ||
1376 | static struct hostapd_channel_data * hostapd_get_mode_channel( | |
1377 | struct hostapd_iface *iface, unsigned int freq) | |
1378 | { | |
1379 | int i; | |
1380 | struct hostapd_channel_data *chan; | |
1381 | ||
1382 | for (i = 0; i < iface->current_mode->num_channels; i++) { | |
1383 | chan = &iface->current_mode->channels[i]; | |
1384 | if ((unsigned int) chan->freq == freq) | |
1385 | return chan; | |
1386 | } | |
1387 | ||
1388 | return NULL; | |
1389 | } | |
1390 | ||
1391 | ||
1392 | static void hostapd_update_nf(struct hostapd_iface *iface, | |
1393 | struct hostapd_channel_data *chan, | |
1394 | struct freq_survey *survey) | |
1395 | { | |
1396 | if (!iface->chans_surveyed) { | |
1397 | chan->min_nf = survey->nf; | |
1398 | iface->lowest_nf = survey->nf; | |
1399 | } else { | |
1400 | if (dl_list_empty(&chan->survey_list)) | |
1401 | chan->min_nf = survey->nf; | |
1402 | else if (survey->nf < chan->min_nf) | |
1403 | chan->min_nf = survey->nf; | |
1404 | if (survey->nf < iface->lowest_nf) | |
1405 | iface->lowest_nf = survey->nf; | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | ||
1410 | static void hostapd_single_channel_get_survey(struct hostapd_iface *iface, | |
1411 | struct survey_results *survey_res) | |
1412 | { | |
1413 | struct hostapd_channel_data *chan; | |
1414 | struct freq_survey *survey; | |
1415 | u64 divisor, dividend; | |
1416 | ||
1417 | survey = dl_list_first(&survey_res->survey_list, struct freq_survey, | |
1418 | list); | |
1419 | if (!survey || !survey->freq) | |
1420 | return; | |
1421 | ||
1422 | chan = hostapd_get_mode_channel(iface, survey->freq); | |
1423 | if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED) | |
1424 | return; | |
1425 | ||
1426 | wpa_printf(MSG_DEBUG, | |
1427 | "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)", | |
1428 | survey->freq, | |
1429 | (unsigned long int) survey->channel_time, | |
1430 | (unsigned long int) survey->channel_time_busy); | |
1431 | ||
1432 | if (survey->channel_time > iface->last_channel_time && | |
1433 | survey->channel_time > survey->channel_time_busy) { | |
1434 | dividend = survey->channel_time_busy - | |
1435 | iface->last_channel_time_busy; | |
1436 | divisor = survey->channel_time - iface->last_channel_time; | |
1437 | ||
1438 | iface->channel_utilization = dividend * 255 / divisor; | |
1439 | wpa_printf(MSG_DEBUG, "Channel Utilization: %d", | |
1440 | iface->channel_utilization); | |
1441 | } | |
1442 | iface->last_channel_time = survey->channel_time; | |
1443 | iface->last_channel_time_busy = survey->channel_time_busy; | |
1444 | } | |
1445 | ||
1446 | ||
1447 | void hostapd_event_get_survey(struct hostapd_iface *iface, | |
1448 | struct survey_results *survey_results) | |
1449 | { | |
1450 | struct freq_survey *survey, *tmp; | |
1451 | struct hostapd_channel_data *chan; | |
1452 | ||
1453 | if (dl_list_empty(&survey_results->survey_list)) { | |
1454 | wpa_printf(MSG_DEBUG, "No survey data received"); | |
1455 | return; | |
1456 | } | |
1457 | ||
1458 | if (survey_results->freq_filter) { | |
1459 | hostapd_single_channel_get_survey(iface, survey_results); | |
1460 | return; | |
1461 | } | |
1462 | ||
1463 | dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, | |
1464 | struct freq_survey, list) { | |
1465 | chan = hostapd_get_mode_channel(iface, survey->freq); | |
1466 | if (!chan) | |
1467 | continue; | |
1468 | if (chan->flag & HOSTAPD_CHAN_DISABLED) | |
1469 | continue; | |
1470 | ||
1471 | dl_list_del(&survey->list); | |
1472 | dl_list_add_tail(&chan->survey_list, &survey->list); | |
1473 | ||
1474 | hostapd_update_nf(iface, chan, survey); | |
1475 | ||
1476 | iface->chans_surveyed++; | |
1477 | } | |
1478 | } | |
1479 | ||
1480 | ||
1481 | #ifdef HOSTAPD | |
1482 | #ifdef NEED_AP_MLME | |
1483 | ||
1484 | static void hostapd_event_iface_unavailable(struct hostapd_data *hapd) | |
1485 | { | |
1486 | wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped", | |
1487 | hapd->conf->iface); | |
1488 | ||
1489 | if (hapd->csa_in_progress) { | |
1490 | wpa_printf(MSG_INFO, "CSA failed (%s was stopped)", | |
1491 | hapd->conf->iface); | |
1492 | hostapd_switch_channel_fallback(hapd->iface, | |
1493 | &hapd->cs_freq_params); | |
1494 | } | |
1495 | } | |
1496 | ||
1497 | ||
1498 | static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, | |
1499 | struct dfs_event *radar) | |
1500 | { | |
1501 | wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); | |
1502 | hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled, | |
1503 | radar->chan_offset, radar->chan_width, | |
1504 | radar->cf1, radar->cf2); | |
1505 | } | |
1506 | ||
1507 | ||
1508 | static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd, | |
1509 | struct dfs_event *radar) | |
1510 | { | |
1511 | wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq); | |
1512 | hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled, | |
1513 | radar->chan_offset, radar->chan_width, | |
1514 | radar->cf1, radar->cf2); | |
1515 | } | |
1516 | ||
1517 | ||
1518 | static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd, | |
1519 | struct dfs_event *radar) | |
1520 | { | |
1521 | wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); | |
1522 | hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled, | |
1523 | radar->chan_offset, radar->chan_width, | |
1524 | radar->cf1, radar->cf2); | |
1525 | } | |
1526 | ||
1527 | ||
1528 | static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd, | |
1529 | struct dfs_event *radar) | |
1530 | { | |
1531 | wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); | |
1532 | hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled, | |
1533 | radar->chan_offset, radar->chan_width, | |
1534 | radar->cf1, radar->cf2); | |
1535 | } | |
1536 | ||
1537 | ||
1538 | static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, | |
1539 | struct dfs_event *radar) | |
1540 | { | |
1541 | wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); | |
1542 | hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled, | |
1543 | radar->chan_offset, radar->chan_width, | |
1544 | radar->cf1, radar->cf2); | |
1545 | } | |
1546 | ||
1547 | ||
1548 | static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd, | |
1549 | struct dfs_event *radar) | |
1550 | { | |
1551 | wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq); | |
1552 | hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled, | |
1553 | radar->chan_offset, radar->chan_width, | |
1554 | radar->cf1, radar->cf2); | |
1555 | } | |
1556 | ||
1557 | #endif /* NEED_AP_MLME */ | |
1558 | ||
1559 | ||
1560 | static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd, | |
1561 | int istatus, | |
1562 | const char *ifname, | |
1563 | const u8 *addr) | |
1564 | { | |
1565 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
1566 | ||
1567 | if (sta) { | |
1568 | os_free(sta->ifname_wds); | |
1569 | if (istatus == INTERFACE_ADDED) | |
1570 | sta->ifname_wds = os_strdup(ifname); | |
1571 | else | |
1572 | sta->ifname_wds = NULL; | |
1573 | } | |
1574 | ||
1575 | wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR, | |
1576 | istatus == INTERFACE_ADDED ? | |
1577 | WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED, | |
1578 | ifname, MAC2STR(addr)); | |
1579 | } | |
1580 | ||
1581 | ||
1582 | void wpa_supplicant_event(void *ctx, enum wpa_event_type event, | |
1583 | union wpa_event_data *data) | |
1584 | { | |
1585 | struct hostapd_data *hapd = ctx; | |
1586 | #ifndef CONFIG_NO_STDOUT_DEBUG | |
1587 | int level = MSG_DEBUG; | |
1588 | ||
1589 | if (event == EVENT_RX_MGMT && data->rx_mgmt.frame && | |
1590 | data->rx_mgmt.frame_len >= 24) { | |
1591 | const struct ieee80211_hdr *hdr; | |
1592 | u16 fc; | |
1593 | ||
1594 | hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; | |
1595 | fc = le_to_host16(hdr->frame_control); | |
1596 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
1597 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) | |
1598 | level = MSG_EXCESSIVE; | |
1599 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
1600 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) | |
1601 | level = MSG_EXCESSIVE; | |
1602 | } | |
1603 | ||
1604 | wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received", | |
1605 | event_to_string(event), event); | |
1606 | #endif /* CONFIG_NO_STDOUT_DEBUG */ | |
1607 | ||
1608 | switch (event) { | |
1609 | case EVENT_MICHAEL_MIC_FAILURE: | |
1610 | michael_mic_failure(hapd, data->michael_mic_failure.src, 1); | |
1611 | break; | |
1612 | case EVENT_SCAN_RESULTS: | |
1613 | if (hapd->iface->scan_cb) | |
1614 | hapd->iface->scan_cb(hapd->iface); | |
1615 | break; | |
1616 | case EVENT_WPS_BUTTON_PUSHED: | |
1617 | hostapd_wps_button_pushed(hapd, NULL); | |
1618 | break; | |
1619 | #ifdef NEED_AP_MLME | |
1620 | case EVENT_TX_STATUS: | |
1621 | switch (data->tx_status.type) { | |
1622 | case WLAN_FC_TYPE_MGMT: | |
1623 | hostapd_mgmt_tx_cb(hapd, data->tx_status.data, | |
1624 | data->tx_status.data_len, | |
1625 | data->tx_status.stype, | |
1626 | data->tx_status.ack); | |
1627 | break; | |
1628 | case WLAN_FC_TYPE_DATA: | |
1629 | hostapd_tx_status(hapd, data->tx_status.dst, | |
1630 | data->tx_status.data, | |
1631 | data->tx_status.data_len, | |
1632 | data->tx_status.ack); | |
1633 | break; | |
1634 | } | |
1635 | break; | |
1636 | case EVENT_EAPOL_TX_STATUS: | |
1637 | hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst, | |
1638 | data->eapol_tx_status.data, | |
1639 | data->eapol_tx_status.data_len, | |
1640 | data->eapol_tx_status.ack); | |
1641 | break; | |
1642 | case EVENT_DRIVER_CLIENT_POLL_OK: | |
1643 | hostapd_client_poll_ok(hapd, data->client_poll.addr); | |
1644 | break; | |
1645 | case EVENT_RX_FROM_UNKNOWN: | |
1646 | hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid, | |
1647 | data->rx_from_unknown.addr, | |
1648 | data->rx_from_unknown.wds); | |
1649 | break; | |
1650 | #endif /* NEED_AP_MLME */ | |
1651 | case EVENT_RX_MGMT: | |
1652 | if (!data->rx_mgmt.frame) | |
1653 | break; | |
1654 | #ifdef NEED_AP_MLME | |
1655 | hostapd_mgmt_rx(hapd, &data->rx_mgmt); | |
1656 | #else /* NEED_AP_MLME */ | |
1657 | hostapd_action_rx(hapd, &data->rx_mgmt); | |
1658 | #endif /* NEED_AP_MLME */ | |
1659 | break; | |
1660 | case EVENT_RX_PROBE_REQ: | |
1661 | if (data->rx_probe_req.sa == NULL || | |
1662 | data->rx_probe_req.ie == NULL) | |
1663 | break; | |
1664 | hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, | |
1665 | data->rx_probe_req.da, | |
1666 | data->rx_probe_req.bssid, | |
1667 | data->rx_probe_req.ie, | |
1668 | data->rx_probe_req.ie_len, | |
1669 | data->rx_probe_req.ssi_signal); | |
1670 | break; | |
1671 | case EVENT_NEW_STA: | |
1672 | hostapd_event_new_sta(hapd, data->new_sta.addr); | |
1673 | break; | |
1674 | case EVENT_EAPOL_RX: | |
1675 | hostapd_event_eapol_rx(hapd, data->eapol_rx.src, | |
1676 | data->eapol_rx.data, | |
1677 | data->eapol_rx.data_len); | |
1678 | break; | |
1679 | case EVENT_ASSOC: | |
1680 | if (!data) | |
1681 | return; | |
1682 | hostapd_notif_assoc(hapd, data->assoc_info.addr, | |
1683 | data->assoc_info.req_ies, | |
1684 | data->assoc_info.req_ies_len, | |
1685 | data->assoc_info.reassoc); | |
1686 | break; | |
1687 | case EVENT_DISASSOC: | |
1688 | if (data) | |
1689 | hostapd_notif_disassoc(hapd, data->disassoc_info.addr); | |
1690 | break; | |
1691 | case EVENT_DEAUTH: | |
1692 | if (data) | |
1693 | hostapd_notif_disassoc(hapd, data->deauth_info.addr); | |
1694 | break; | |
1695 | case EVENT_STATION_LOW_ACK: | |
1696 | if (!data) | |
1697 | break; | |
1698 | hostapd_event_sta_low_ack(hapd, data->low_ack.addr); | |
1699 | break; | |
1700 | case EVENT_AUTH: | |
1701 | hostapd_notif_auth(hapd, &data->auth); | |
1702 | break; | |
1703 | case EVENT_CH_SWITCH_STARTED: | |
1704 | case EVENT_CH_SWITCH: | |
1705 | if (!data) | |
1706 | break; | |
1707 | hostapd_event_ch_switch(hapd, data->ch_switch.freq, | |
1708 | data->ch_switch.ht_enabled, | |
1709 | data->ch_switch.ch_offset, | |
1710 | data->ch_switch.ch_width, | |
1711 | data->ch_switch.cf1, | |
1712 | data->ch_switch.cf2, | |
1713 | event == EVENT_CH_SWITCH); | |
1714 | break; | |
1715 | case EVENT_CONNECT_FAILED_REASON: | |
1716 | if (!data) | |
1717 | break; | |
1718 | hostapd_event_connect_failed_reason( | |
1719 | hapd, data->connect_failed_reason.addr, | |
1720 | data->connect_failed_reason.code); | |
1721 | break; | |
1722 | case EVENT_SURVEY: | |
1723 | hostapd_event_get_survey(hapd->iface, &data->survey_results); | |
1724 | break; | |
1725 | #ifdef NEED_AP_MLME | |
1726 | case EVENT_INTERFACE_UNAVAILABLE: | |
1727 | hostapd_event_iface_unavailable(hapd); | |
1728 | break; | |
1729 | case EVENT_DFS_RADAR_DETECTED: | |
1730 | if (!data) | |
1731 | break; | |
1732 | hostapd_event_dfs_radar_detected(hapd, &data->dfs_event); | |
1733 | break; | |
1734 | case EVENT_DFS_PRE_CAC_EXPIRED: | |
1735 | if (!data) | |
1736 | break; | |
1737 | hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event); | |
1738 | break; | |
1739 | case EVENT_DFS_CAC_FINISHED: | |
1740 | if (!data) | |
1741 | break; | |
1742 | hostapd_event_dfs_cac_finished(hapd, &data->dfs_event); | |
1743 | break; | |
1744 | case EVENT_DFS_CAC_ABORTED: | |
1745 | if (!data) | |
1746 | break; | |
1747 | hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event); | |
1748 | break; | |
1749 | case EVENT_DFS_NOP_FINISHED: | |
1750 | if (!data) | |
1751 | break; | |
1752 | hostapd_event_dfs_nop_finished(hapd, &data->dfs_event); | |
1753 | break; | |
1754 | case EVENT_CHANNEL_LIST_CHANGED: | |
1755 | /* channel list changed (regulatory?), update channel list */ | |
1756 | /* TODO: check this. hostapd_get_hw_features() initializes | |
1757 | * too much stuff. */ | |
1758 | /* hostapd_get_hw_features(hapd->iface); */ | |
1759 | hostapd_channel_list_updated( | |
1760 | hapd->iface, data->channel_list_changed.initiator); | |
1761 | break; | |
1762 | case EVENT_DFS_CAC_STARTED: | |
1763 | if (!data) | |
1764 | break; | |
1765 | hostapd_event_dfs_cac_started(hapd, &data->dfs_event); | |
1766 | break; | |
1767 | #endif /* NEED_AP_MLME */ | |
1768 | case EVENT_INTERFACE_ENABLED: | |
1769 | wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED); | |
1770 | if (hapd->disabled && hapd->started) { | |
1771 | hapd->disabled = 0; | |
1772 | /* | |
1773 | * Try to re-enable interface if the driver stopped it | |
1774 | * when the interface got disabled. | |
1775 | */ | |
1776 | if (hapd->wpa_auth) | |
1777 | wpa_auth_reconfig_group_keys(hapd->wpa_auth); | |
1778 | else | |
1779 | hostapd_reconfig_encryption(hapd); | |
1780 | hapd->reenable_beacon = 1; | |
1781 | ieee802_11_set_beacon(hapd); | |
1782 | #ifdef NEED_AP_MLME | |
1783 | } else if (hapd->disabled && hapd->iface->cac_started) { | |
1784 | wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC"); | |
1785 | hostapd_handle_dfs(hapd->iface); | |
1786 | #endif /* NEED_AP_MLME */ | |
1787 | } | |
1788 | break; | |
1789 | case EVENT_INTERFACE_DISABLED: | |
1790 | hostapd_free_stas(hapd); | |
1791 | wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED); | |
1792 | hapd->disabled = 1; | |
1793 | break; | |
1794 | #ifdef CONFIG_ACS | |
1795 | case EVENT_ACS_CHANNEL_SELECTED: | |
1796 | hostapd_acs_channel_selected(hapd, | |
1797 | &data->acs_selected_channels); | |
1798 | break; | |
1799 | #endif /* CONFIG_ACS */ | |
1800 | case EVENT_STATION_OPMODE_CHANGED: | |
1801 | hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr, | |
1802 | data->sta_opmode.smps_mode, | |
1803 | data->sta_opmode.chan_width, | |
1804 | data->sta_opmode.rx_nss); | |
1805 | break; | |
1806 | case EVENT_WDS_STA_INTERFACE_STATUS: | |
1807 | hostapd_event_wds_sta_interface_status( | |
1808 | hapd, data->wds_sta_interface.istatus, | |
1809 | data->wds_sta_interface.ifname, | |
1810 | data->wds_sta_interface.sta_addr); | |
1811 | break; | |
1812 | default: | |
1813 | wpa_printf(MSG_DEBUG, "Unknown event %d", event); | |
1814 | break; | |
1815 | } | |
1816 | } | |
1817 | ||
1818 | ||
1819 | void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event, | |
1820 | union wpa_event_data *data) | |
1821 | { | |
1822 | struct hapd_interfaces *interfaces = ctx; | |
1823 | struct hostapd_data *hapd; | |
1824 | ||
1825 | if (event != EVENT_INTERFACE_STATUS) | |
1826 | return; | |
1827 | ||
1828 | hapd = hostapd_get_iface(interfaces, data->interface_status.ifname); | |
1829 | if (hapd && hapd->driver && hapd->driver->get_ifindex && | |
1830 | hapd->drv_priv) { | |
1831 | unsigned int ifindex; | |
1832 | ||
1833 | ifindex = hapd->driver->get_ifindex(hapd->drv_priv); | |
1834 | if (ifindex != data->interface_status.ifindex) { | |
1835 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, | |
1836 | "interface status ifindex %d mismatch (%d)", | |
1837 | ifindex, data->interface_status.ifindex); | |
1838 | return; | |
1839 | } | |
1840 | } | |
1841 | if (hapd) | |
1842 | wpa_supplicant_event(hapd, event, data); | |
1843 | } | |
1844 | ||
1845 | #endif /* HOSTAPD */ |