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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * hostapd / IEEE 802.11 Management | |
f2991170 | 3 | * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
1057d78e | 9 | #include "utils/includes.h" |
6fc6879b JM |
10 | |
11 | #ifndef CONFIG_NATIVE_WINDOWS | |
12 | ||
1057d78e JM |
13 | #include "utils/common.h" |
14 | #include "utils/eloop.h" | |
03da66bd | 15 | #include "crypto/crypto.h" |
d136c376 JM |
16 | #include "crypto/sha256.h" |
17 | #include "crypto/random.h" | |
81f4f619 JM |
18 | #include "common/ieee802_11_defs.h" |
19 | #include "common/ieee802_11_common.h" | |
03da66bd | 20 | #include "common/wpa_ctrl.h" |
98efcc41 | 21 | #include "common/sae.h" |
03da66bd JM |
22 | #include "radius/radius.h" |
23 | #include "radius/radius_client.h" | |
e44f8bf2 | 24 | #include "p2p/p2p.h" |
ed7a09f9 | 25 | #include "wps/wps.h" |
037378ff | 26 | #include "fst/fst.h" |
6fc6879b | 27 | #include "hostapd.h" |
6fc6879b | 28 | #include "beacon.h" |
6fc6879b JM |
29 | #include "ieee802_11_auth.h" |
30 | #include "sta_info.h" | |
6fc6879b | 31 | #include "ieee802_1x.h" |
6226e38d | 32 | #include "wpa_auth.h" |
f2991170 | 33 | #include "pmksa_cache_auth.h" |
1057d78e | 34 | #include "wmm.h" |
6fc6879b JM |
35 | #include "ap_list.h" |
36 | #include "accounting.h" | |
6226e38d JM |
37 | #include "ap_config.h" |
38 | #include "ap_mlme.h" | |
dce044cc | 39 | #include "p2p_hostapd.h" |
cee7d66b | 40 | #include "ap_drv_ops.h" |
c79938a5 | 41 | #include "wnm_ap.h" |
0e2412d0 | 42 | #include "hw_features.h" |
6226e38d | 43 | #include "ieee802_11.h" |
3d7ad2f6 | 44 | #include "dfs.h" |
6332aaf3 | 45 | #include "mbo_ap.h" |
2572df34 | 46 | #include "rrm.h" |
04059ab8 | 47 | #include "taxonomy.h" |
6fc6879b JM |
48 | |
49 | ||
50 | u8 * hostapd_eid_supp_rates(struct hostapd_data *hapd, u8 *eid) | |
51 | { | |
52 | u8 *pos = eid; | |
53 | int i, num, count; | |
54 | ||
55 | if (hapd->iface->current_rates == NULL) | |
56 | return eid; | |
57 | ||
58 | *pos++ = WLAN_EID_SUPP_RATES; | |
59 | num = hapd->iface->num_rates; | |
29448243 JM |
60 | if (hapd->iconf->ieee80211n && hapd->iconf->require_ht) |
61 | num++; | |
202d97d4 JB |
62 | if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht) |
63 | num++; | |
6fc6879b JM |
64 | if (num > 8) { |
65 | /* rest of the rates are encoded in Extended supported | |
66 | * rates element */ | |
67 | num = 8; | |
68 | } | |
69 | ||
70 | *pos++ = num; | |
6fc6879b JM |
71 | for (i = 0, count = 0; i < hapd->iface->num_rates && count < num; |
72 | i++) { | |
73 | count++; | |
74 | *pos = hapd->iface->current_rates[i].rate / 5; | |
75 | if (hapd->iface->current_rates[i].flags & HOSTAPD_RATE_BASIC) | |
76 | *pos |= 0x80; | |
77 | pos++; | |
78 | } | |
79 | ||
202d97d4 JB |
80 | if (hapd->iconf->ieee80211n && hapd->iconf->require_ht && count < 8) { |
81 | count++; | |
29448243 | 82 | *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY; |
202d97d4 JB |
83 | } |
84 | ||
85 | if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht && count < 8) { | |
86 | count++; | |
87 | *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY; | |
88 | } | |
29448243 | 89 | |
6fc6879b JM |
90 | return pos; |
91 | } | |
92 | ||
93 | ||
94 | u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid) | |
95 | { | |
96 | u8 *pos = eid; | |
97 | int i, num, count; | |
98 | ||
99 | if (hapd->iface->current_rates == NULL) | |
100 | return eid; | |
101 | ||
102 | num = hapd->iface->num_rates; | |
29448243 JM |
103 | if (hapd->iconf->ieee80211n && hapd->iconf->require_ht) |
104 | num++; | |
202d97d4 JB |
105 | if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht) |
106 | num++; | |
6fc6879b JM |
107 | if (num <= 8) |
108 | return eid; | |
109 | num -= 8; | |
110 | ||
111 | *pos++ = WLAN_EID_EXT_SUPP_RATES; | |
112 | *pos++ = num; | |
6fc6879b JM |
113 | for (i = 0, count = 0; i < hapd->iface->num_rates && count < num + 8; |
114 | i++) { | |
115 | count++; | |
116 | if (count <= 8) | |
117 | continue; /* already in SuppRates IE */ | |
118 | *pos = hapd->iface->current_rates[i].rate / 5; | |
119 | if (hapd->iface->current_rates[i].flags & HOSTAPD_RATE_BASIC) | |
120 | *pos |= 0x80; | |
121 | pos++; | |
122 | } | |
123 | ||
202d97d4 JB |
124 | if (hapd->iconf->ieee80211n && hapd->iconf->require_ht) { |
125 | count++; | |
126 | if (count > 8) | |
127 | *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY; | |
128 | } | |
129 | ||
130 | if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht) { | |
131 | count++; | |
132 | if (count > 8) | |
133 | *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY; | |
134 | } | |
29448243 | 135 | |
6fc6879b JM |
136 | return pos; |
137 | } | |
138 | ||
139 | ||
f41ded6f | 140 | u16 hostapd_own_capab_info(struct hostapd_data *hapd) |
6fc6879b JM |
141 | { |
142 | int capab = WLAN_CAPABILITY_ESS; | |
143 | int privacy; | |
3d7ad2f6 | 144 | int dfs; |
01018212 | 145 | int i; |
3d7ad2f6 C |
146 | |
147 | /* Check if any of configured channels require DFS */ | |
148 | dfs = hostapd_is_dfs_required(hapd->iface); | |
149 | if (dfs < 0) { | |
150 | wpa_printf(MSG_WARNING, "Failed to check if DFS is required; ret=%d", | |
151 | dfs); | |
152 | dfs = 0; | |
153 | } | |
6fc6879b JM |
154 | |
155 | if (hapd->iface->num_sta_no_short_preamble == 0 && | |
156 | hapd->iconf->preamble == SHORT_PREAMBLE) | |
157 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
158 | ||
159 | privacy = hapd->conf->ssid.wep.keys_set; | |
160 | ||
161 | if (hapd->conf->ieee802_1x && | |
162 | (hapd->conf->default_wep_key_len || | |
163 | hapd->conf->individual_wep_key_len)) | |
164 | privacy = 1; | |
165 | ||
166 | if (hapd->conf->wpa) | |
167 | privacy = 1; | |
168 | ||
a14896e8 JM |
169 | #ifdef CONFIG_HS20 |
170 | if (hapd->conf->osen) | |
171 | privacy = 1; | |
172 | #endif /* CONFIG_HS20 */ | |
173 | ||
6fc6879b JM |
174 | if (privacy) |
175 | capab |= WLAN_CAPABILITY_PRIVACY; | |
176 | ||
177 | if (hapd->iface->current_mode && | |
178 | hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G && | |
179 | hapd->iface->num_sta_no_short_slot_time == 0) | |
180 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
181 | ||
3d7ad2f6 C |
182 | /* |
183 | * Currently, Spectrum Management capability bit is set when directly | |
184 | * requested in configuration by spectrum_mgmt_required or when AP is | |
185 | * running on DFS channel. | |
186 | * TODO: Also consider driver support for TPC to set Spectrum Mgmt bit | |
187 | */ | |
188 | if (hapd->iface->current_mode && | |
189 | hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A && | |
190 | (hapd->iconf->spectrum_mgmt_required || dfs)) | |
191 | capab |= WLAN_CAPABILITY_SPECTRUM_MGMT; | |
192 | ||
01018212 DS |
193 | for (i = 0; i < RRM_CAPABILITIES_IE_LEN; i++) { |
194 | if (hapd->conf->radio_measurements[i]) { | |
195 | capab |= IEEE80211_CAP_RRM; | |
196 | break; | |
197 | } | |
198 | } | |
0629eeb4 | 199 | |
6fc6879b JM |
200 | return capab; |
201 | } | |
202 | ||
203 | ||
7cb53ded | 204 | #ifndef CONFIG_NO_RC4 |
6fc6879b | 205 | static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta, |
b57e086c JM |
206 | u16 auth_transaction, const u8 *challenge, |
207 | int iswep) | |
6fc6879b JM |
208 | { |
209 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
210 | HOSTAPD_LEVEL_DEBUG, | |
211 | "authentication (shared key, transaction %d)", | |
212 | auth_transaction); | |
213 | ||
214 | if (auth_transaction == 1) { | |
215 | if (!sta->challenge) { | |
216 | /* Generate a pseudo-random challenge */ | |
217 | u8 key[8]; | |
f441e5af | 218 | |
6fc6879b JM |
219 | sta->challenge = os_zalloc(WLAN_AUTH_CHALLENGE_LEN); |
220 | if (sta->challenge == NULL) | |
221 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
222 | ||
f441e5af NL |
223 | if (os_get_random(key, sizeof(key)) < 0) { |
224 | os_free(sta->challenge); | |
225 | sta->challenge = NULL; | |
226 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
227 | } | |
228 | ||
8ef16831 JM |
229 | rc4_skip(key, sizeof(key), 0, |
230 | sta->challenge, WLAN_AUTH_CHALLENGE_LEN); | |
6fc6879b JM |
231 | } |
232 | return 0; | |
233 | } | |
234 | ||
235 | if (auth_transaction != 3) | |
236 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
237 | ||
238 | /* Transaction 3 */ | |
239 | if (!iswep || !sta->challenge || !challenge || | |
34ef46ce JM |
240 | os_memcmp_const(sta->challenge, challenge, |
241 | WLAN_AUTH_CHALLENGE_LEN)) { | |
6fc6879b JM |
242 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
243 | HOSTAPD_LEVEL_INFO, | |
244 | "shared key authentication - invalid " | |
245 | "challenge-response"); | |
246 | return WLAN_STATUS_CHALLENGE_FAIL; | |
247 | } | |
248 | ||
249 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
250 | HOSTAPD_LEVEL_DEBUG, | |
251 | "authentication OK (shared key)"); | |
6fc6879b JM |
252 | sta->flags |= WLAN_STA_AUTH; |
253 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
6fc6879b JM |
254 | os_free(sta->challenge); |
255 | sta->challenge = NULL; | |
256 | ||
257 | return 0; | |
258 | } | |
7cb53ded | 259 | #endif /* CONFIG_NO_RC4 */ |
6fc6879b JM |
260 | |
261 | ||
bb598c3b AB |
262 | static int send_auth_reply(struct hostapd_data *hapd, |
263 | const u8 *dst, const u8 *bssid, | |
264 | u16 auth_alg, u16 auth_transaction, u16 resp, | |
265 | const u8 *ies, size_t ies_len) | |
6fc6879b JM |
266 | { |
267 | struct ieee80211_mgmt *reply; | |
268 | u8 *buf; | |
269 | size_t rlen; | |
bb598c3b | 270 | int reply_res = WLAN_STATUS_UNSPECIFIED_FAILURE; |
6fc6879b JM |
271 | |
272 | rlen = IEEE80211_HDRLEN + sizeof(reply->u.auth) + ies_len; | |
273 | buf = os_zalloc(rlen); | |
274 | if (buf == NULL) | |
bb598c3b | 275 | return -1; |
6fc6879b JM |
276 | |
277 | reply = (struct ieee80211_mgmt *) buf; | |
278 | reply->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
279 | WLAN_FC_STYPE_AUTH); | |
6fc6879b JM |
280 | os_memcpy(reply->da, dst, ETH_ALEN); |
281 | os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN); | |
282 | os_memcpy(reply->bssid, bssid, ETH_ALEN); | |
283 | ||
284 | reply->u.auth.auth_alg = host_to_le16(auth_alg); | |
285 | reply->u.auth.auth_transaction = host_to_le16(auth_transaction); | |
286 | reply->u.auth.status_code = host_to_le16(resp); | |
287 | ||
288 | if (ies && ies_len) | |
289 | os_memcpy(reply->u.auth.variable, ies, ies_len); | |
290 | ||
291 | wpa_printf(MSG_DEBUG, "authentication reply: STA=" MACSTR | |
292 | " auth_alg=%d auth_transaction=%d resp=%d (IE len=%lu)", | |
293 | MAC2STR(dst), auth_alg, auth_transaction, | |
294 | resp, (unsigned long) ies_len); | |
8cfa3527 | 295 | if (hostapd_drv_send_mlme(hapd, reply, rlen, 0) < 0) |
bb598c3b AB |
296 | wpa_printf(MSG_INFO, "send_auth_reply: send failed"); |
297 | else | |
298 | reply_res = WLAN_STATUS_SUCCESS; | |
6fc6879b JM |
299 | |
300 | os_free(buf); | |
bb598c3b AB |
301 | |
302 | return reply_res; | |
6fc6879b JM |
303 | } |
304 | ||
305 | ||
306 | #ifdef CONFIG_IEEE80211R | |
307 | static void handle_auth_ft_finish(void *ctx, const u8 *dst, const u8 *bssid, | |
308 | u16 auth_transaction, u16 status, | |
309 | const u8 *ies, size_t ies_len) | |
310 | { | |
311 | struct hostapd_data *hapd = ctx; | |
312 | struct sta_info *sta; | |
bb598c3b | 313 | int reply_res; |
6fc6879b | 314 | |
bb598c3b AB |
315 | reply_res = send_auth_reply(hapd, dst, bssid, WLAN_AUTH_FT, |
316 | auth_transaction, status, ies, ies_len); | |
6fc6879b JM |
317 | |
318 | sta = ap_get_sta(hapd, dst); | |
319 | if (sta == NULL) | |
320 | return; | |
321 | ||
bb598c3b AB |
322 | if (sta->added_unassoc && (reply_res != WLAN_STATUS_SUCCESS || |
323 | status != WLAN_STATUS_SUCCESS)) { | |
324 | hostapd_drv_sta_remove(hapd, sta->addr); | |
325 | sta->added_unassoc = 0; | |
326 | return; | |
327 | } | |
328 | ||
329 | if (status != WLAN_STATUS_SUCCESS) | |
330 | return; | |
331 | ||
6fc6879b JM |
332 | hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, |
333 | HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); | |
334 | sta->flags |= WLAN_STA_AUTH; | |
335 | mlme_authenticate_indication(hapd, sta); | |
336 | } | |
337 | #endif /* CONFIG_IEEE80211R */ | |
338 | ||
339 | ||
c10347f2 | 340 | #ifdef CONFIG_SAE |
21af6d15 | 341 | |
f3b8ad4d BC |
342 | #define dot11RSNASAESync 5 /* attempts */ |
343 | ||
344 | ||
e96da42b | 345 | static struct wpabuf * auth_build_sae_commit(struct hostapd_data *hapd, |
872b7545 | 346 | struct sta_info *sta, int update) |
21af6d15 JM |
347 | { |
348 | struct wpabuf *buf; | |
349 | ||
146f6c9a JM |
350 | if (hapd->conf->ssid.wpa_passphrase == NULL) { |
351 | wpa_printf(MSG_DEBUG, "SAE: No password available"); | |
352 | return NULL; | |
353 | } | |
354 | ||
872b7545 MH |
355 | if (update && |
356 | sae_prepare_commit(hapd->own_addr, sta->addr, | |
8e31e955 JM |
357 | (u8 *) hapd->conf->ssid.wpa_passphrase, |
358 | os_strlen(hapd->conf->ssid.wpa_passphrase), | |
359 | sta->sae) < 0) { | |
360 | wpa_printf(MSG_DEBUG, "SAE: Could not pick PWE"); | |
21af6d15 | 361 | return NULL; |
8e31e955 | 362 | } |
21af6d15 | 363 | |
8e31e955 JM |
364 | buf = wpabuf_alloc(SAE_COMMIT_MAX_LEN); |
365 | if (buf == NULL) | |
366 | return NULL; | |
872b7545 MH |
367 | sae_write_commit(sta->sae, buf, sta->sae->tmp ? |
368 | sta->sae->tmp->anti_clogging_token : NULL); | |
21af6d15 JM |
369 | |
370 | return buf; | |
371 | } | |
372 | ||
373 | ||
374 | static struct wpabuf * auth_build_sae_confirm(struct hostapd_data *hapd, | |
375 | struct sta_info *sta) | |
376 | { | |
377 | struct wpabuf *buf; | |
378 | ||
fb8fcc29 | 379 | buf = wpabuf_alloc(SAE_CONFIRM_MAX_LEN); |
21af6d15 JM |
380 | if (buf == NULL) |
381 | return NULL; | |
382 | ||
fb8fcc29 | 383 | sae_write_confirm(sta->sae, buf); |
21af6d15 JM |
384 | |
385 | return buf; | |
386 | } | |
387 | ||
388 | ||
e96da42b BC |
389 | static int auth_sae_send_commit(struct hostapd_data *hapd, |
390 | struct sta_info *sta, | |
872b7545 | 391 | const u8 *bssid, int update) |
e96da42b BC |
392 | { |
393 | struct wpabuf *data; | |
bb598c3b | 394 | int reply_res; |
e96da42b | 395 | |
872b7545 | 396 | data = auth_build_sae_commit(hapd, sta, update); |
e96da42b BC |
397 | if (data == NULL) |
398 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
399 | ||
bb598c3b AB |
400 | reply_res = send_auth_reply(hapd, sta->addr, bssid, WLAN_AUTH_SAE, 1, |
401 | WLAN_STATUS_SUCCESS, wpabuf_head(data), | |
402 | wpabuf_len(data)); | |
e96da42b BC |
403 | |
404 | wpabuf_free(data); | |
405 | ||
bb598c3b | 406 | return reply_res; |
e96da42b BC |
407 | } |
408 | ||
409 | ||
410 | static int auth_sae_send_confirm(struct hostapd_data *hapd, | |
411 | struct sta_info *sta, | |
412 | const u8 *bssid) | |
413 | { | |
414 | struct wpabuf *data; | |
bb598c3b | 415 | int reply_res; |
e96da42b BC |
416 | |
417 | data = auth_build_sae_confirm(hapd, sta); | |
418 | if (data == NULL) | |
419 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
420 | ||
bb598c3b AB |
421 | reply_res = send_auth_reply(hapd, sta->addr, bssid, WLAN_AUTH_SAE, 2, |
422 | WLAN_STATUS_SUCCESS, wpabuf_head(data), | |
423 | wpabuf_len(data)); | |
e96da42b BC |
424 | |
425 | wpabuf_free(data); | |
426 | ||
bb598c3b | 427 | return reply_res; |
e96da42b BC |
428 | } |
429 | ||
430 | ||
d136c376 JM |
431 | static int use_sae_anti_clogging(struct hostapd_data *hapd) |
432 | { | |
433 | struct sta_info *sta; | |
434 | unsigned int open = 0; | |
435 | ||
436 | if (hapd->conf->sae_anti_clogging_threshold == 0) | |
437 | return 1; | |
438 | ||
439 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
440 | if (!sta->sae) | |
441 | continue; | |
442 | if (sta->sae->state != SAE_COMMITTED && | |
443 | sta->sae->state != SAE_CONFIRMED) | |
444 | continue; | |
445 | open++; | |
446 | if (open >= hapd->conf->sae_anti_clogging_threshold) | |
447 | return 1; | |
448 | } | |
449 | ||
450 | return 0; | |
451 | } | |
452 | ||
453 | ||
454 | static int check_sae_token(struct hostapd_data *hapd, const u8 *addr, | |
455 | const u8 *token, size_t token_len) | |
456 | { | |
457 | u8 mac[SHA256_MAC_LEN]; | |
458 | ||
459 | if (token_len != SHA256_MAC_LEN) | |
460 | return -1; | |
461 | if (hmac_sha256(hapd->sae_token_key, sizeof(hapd->sae_token_key), | |
462 | addr, ETH_ALEN, mac) < 0 || | |
0233dcac | 463 | os_memcmp_const(token, mac, SHA256_MAC_LEN) != 0) |
d136c376 JM |
464 | return -1; |
465 | ||
466 | return 0; | |
467 | } | |
468 | ||
469 | ||
470 | static struct wpabuf * auth_build_token_req(struct hostapd_data *hapd, | |
a959a3b6 | 471 | int group, const u8 *addr) |
d136c376 JM |
472 | { |
473 | struct wpabuf *buf; | |
474 | u8 *token; | |
fe52c210 | 475 | struct os_reltime now; |
d136c376 | 476 | |
fe52c210 JB |
477 | os_get_reltime(&now); |
478 | if (!os_reltime_initialized(&hapd->last_sae_token_key_update) || | |
479 | os_reltime_expired(&now, &hapd->last_sae_token_key_update, 60)) { | |
a50414c3 JM |
480 | if (random_get_bytes(hapd->sae_token_key, |
481 | sizeof(hapd->sae_token_key)) < 0) | |
482 | return NULL; | |
d136c376 JM |
483 | wpa_hexdump(MSG_DEBUG, "SAE: Updated token key", |
484 | hapd->sae_token_key, sizeof(hapd->sae_token_key)); | |
fe52c210 | 485 | hapd->last_sae_token_key_update = now; |
d136c376 JM |
486 | } |
487 | ||
a959a3b6 | 488 | buf = wpabuf_alloc(sizeof(le16) + SHA256_MAC_LEN); |
d136c376 JM |
489 | if (buf == NULL) |
490 | return NULL; | |
491 | ||
a959a3b6 MH |
492 | wpabuf_put_le16(buf, group); /* Finite Cyclic Group */ |
493 | ||
d136c376 JM |
494 | token = wpabuf_put(buf, SHA256_MAC_LEN); |
495 | hmac_sha256(hapd->sae_token_key, sizeof(hapd->sae_token_key), | |
496 | addr, ETH_ALEN, token); | |
497 | ||
498 | return buf; | |
499 | } | |
500 | ||
501 | ||
f3b8ad4d BC |
502 | static int sae_check_big_sync(struct sta_info *sta) |
503 | { | |
504 | if (sta->sae->sync > dot11RSNASAESync) { | |
505 | sta->sae->state = SAE_NOTHING; | |
506 | sta->sae->sync = 0; | |
507 | return -1; | |
508 | } | |
509 | return 0; | |
510 | } | |
511 | ||
512 | ||
513 | static void auth_sae_retransmit_timer(void *eloop_ctx, void *eloop_data) | |
514 | { | |
515 | struct hostapd_data *hapd = eloop_ctx; | |
516 | struct sta_info *sta = eloop_data; | |
517 | int ret; | |
518 | ||
519 | if (sae_check_big_sync(sta)) | |
520 | return; | |
521 | sta->sae->sync++; | |
dad01292 JM |
522 | wpa_printf(MSG_DEBUG, "SAE: Auth SAE retransmit timer for " MACSTR |
523 | " (sync=%d state=%d)", | |
524 | MAC2STR(sta->addr), sta->sae->sync, sta->sae->state); | |
f3b8ad4d BC |
525 | |
526 | switch (sta->sae->state) { | |
527 | case SAE_COMMITTED: | |
528 | ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0); | |
ecd40fef MH |
529 | eloop_register_timeout(0, |
530 | hapd->dot11RSNASAERetransPeriod * 1000, | |
f3b8ad4d BC |
531 | auth_sae_retransmit_timer, hapd, sta); |
532 | break; | |
533 | case SAE_CONFIRMED: | |
534 | ret = auth_sae_send_confirm(hapd, sta, hapd->own_addr); | |
ecd40fef MH |
535 | eloop_register_timeout(0, |
536 | hapd->dot11RSNASAERetransPeriod * 1000, | |
f3b8ad4d BC |
537 | auth_sae_retransmit_timer, hapd, sta); |
538 | break; | |
539 | default: | |
540 | ret = -1; | |
541 | break; | |
542 | } | |
543 | ||
544 | if (ret != WLAN_STATUS_SUCCESS) | |
545 | wpa_printf(MSG_INFO, "SAE: Failed to retransmit: ret=%d", ret); | |
546 | } | |
547 | ||
548 | ||
549 | void sae_clear_retransmit_timer(struct hostapd_data *hapd, struct sta_info *sta) | |
550 | { | |
551 | eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta); | |
552 | } | |
553 | ||
554 | ||
555 | static void sae_set_retransmit_timer(struct hostapd_data *hapd, | |
556 | struct sta_info *sta) | |
557 | { | |
558 | if (!(hapd->conf->mesh & MESH_ENABLED)) | |
559 | return; | |
560 | ||
561 | eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta); | |
ecd40fef | 562 | eloop_register_timeout(0, hapd->dot11RSNASAERetransPeriod * 1000, |
f3b8ad4d BC |
563 | auth_sae_retransmit_timer, hapd, sta); |
564 | } | |
565 | ||
566 | ||
9f2cf23e MH |
567 | void sae_accept_sta(struct hostapd_data *hapd, struct sta_info *sta) |
568 | { | |
569 | sta->flags |= WLAN_STA_AUTH; | |
570 | sta->auth_alg = WLAN_AUTH_SAE; | |
571 | mlme_authenticate_indication(hapd, sta); | |
572 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
573 | sta->sae->state = SAE_ACCEPTED; | |
574 | wpa_auth_pmksa_add_sae(hapd->wpa_auth, sta->addr, | |
575 | sta->sae->pmk, sta->sae->pmkid); | |
576 | } | |
577 | ||
578 | ||
e96da42b BC |
579 | static int sae_sm_step(struct hostapd_data *hapd, struct sta_info *sta, |
580 | const u8 *bssid, u8 auth_transaction) | |
581 | { | |
582 | int ret; | |
583 | ||
584 | if (auth_transaction != 1 && auth_transaction != 2) | |
585 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
586 | ||
587 | switch (sta->sae->state) { | |
588 | case SAE_NOTHING: | |
589 | if (auth_transaction == 1) { | |
872b7545 | 590 | ret = auth_sae_send_commit(hapd, sta, bssid, 1); |
e96da42b BC |
591 | if (ret) |
592 | return ret; | |
593 | sta->sae->state = SAE_COMMITTED; | |
594 | ||
595 | if (sae_process_commit(sta->sae) < 0) | |
596 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
597 | ||
598 | /* | |
599 | * In mesh case, both Commit and Confirm can be sent | |
600 | * immediately. In infrastructure BSS, only a single | |
601 | * Authentication frame (Commit) is expected from the AP | |
602 | * here and the second one (Confirm) will be sent once | |
603 | * the STA has sent its second Authentication frame | |
604 | * (Confirm). | |
605 | */ | |
606 | if (hapd->conf->mesh & MESH_ENABLED) { | |
607 | /* | |
608 | * Send both Commit and Confirm immediately | |
609 | * based on SAE finite state machine | |
610 | * Nothing -> Confirm transition. | |
611 | */ | |
612 | ret = auth_sae_send_confirm(hapd, sta, bssid); | |
613 | if (ret) | |
614 | return ret; | |
615 | sta->sae->state = SAE_CONFIRMED; | |
616 | } else { | |
617 | /* | |
618 | * For infrastructure BSS, send only the Commit | |
619 | * message now to get alternating sequence of | |
620 | * Authentication frames between the AP and STA. | |
621 | * Confirm will be sent in | |
746e5c25 | 622 | * Committed -> Confirmed/Accepted transition |
e96da42b BC |
623 | * when receiving Confirm from STA. |
624 | */ | |
625 | } | |
f3b8ad4d BC |
626 | sta->sae->sync = 0; |
627 | sae_set_retransmit_timer(hapd, sta); | |
e96da42b BC |
628 | } else { |
629 | hostapd_logger(hapd, sta->addr, | |
630 | HOSTAPD_MODULE_IEEE80211, | |
631 | HOSTAPD_LEVEL_DEBUG, | |
632 | "SAE confirm before commit"); | |
633 | } | |
634 | break; | |
635 | case SAE_COMMITTED: | |
f3b8ad4d | 636 | sae_clear_retransmit_timer(hapd, sta); |
e96da42b BC |
637 | if (auth_transaction == 1) { |
638 | if (sae_process_commit(sta->sae) < 0) | |
639 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
640 | ||
641 | ret = auth_sae_send_confirm(hapd, sta, bssid); | |
642 | if (ret) | |
643 | return ret; | |
644 | sta->sae->state = SAE_CONFIRMED; | |
f3b8ad4d BC |
645 | sta->sae->sync = 0; |
646 | sae_set_retransmit_timer(hapd, sta); | |
e96da42b BC |
647 | } else if (hapd->conf->mesh & MESH_ENABLED) { |
648 | /* | |
649 | * In mesh case, follow SAE finite state machine and | |
f3b8ad4d | 650 | * send Commit now, if sync count allows. |
e96da42b | 651 | */ |
f3b8ad4d BC |
652 | if (sae_check_big_sync(sta)) |
653 | return WLAN_STATUS_SUCCESS; | |
654 | sta->sae->sync++; | |
655 | ||
fabc6dd8 | 656 | ret = auth_sae_send_commit(hapd, sta, bssid, 0); |
e96da42b BC |
657 | if (ret) |
658 | return ret; | |
f3b8ad4d BC |
659 | |
660 | sae_set_retransmit_timer(hapd, sta); | |
e96da42b BC |
661 | } else { |
662 | /* | |
663 | * For instructure BSS, send the postponed Confirm from | |
664 | * Nothing -> Confirmed transition that was reduced to | |
665 | * Nothing -> Committed above. | |
666 | */ | |
667 | ret = auth_sae_send_confirm(hapd, sta, bssid); | |
668 | if (ret) | |
669 | return ret; | |
670 | ||
671 | sta->sae->state = SAE_CONFIRMED; | |
672 | ||
673 | /* | |
674 | * Since this was triggered on Confirm RX, run another | |
675 | * step to get to Accepted without waiting for | |
676 | * additional events. | |
677 | */ | |
678 | return sae_sm_step(hapd, sta, bssid, auth_transaction); | |
679 | } | |
680 | break; | |
681 | case SAE_CONFIRMED: | |
f3b8ad4d | 682 | sae_clear_retransmit_timer(hapd, sta); |
e96da42b | 683 | if (auth_transaction == 1) { |
f3b8ad4d BC |
684 | if (sae_check_big_sync(sta)) |
685 | return WLAN_STATUS_SUCCESS; | |
686 | sta->sae->sync++; | |
687 | ||
872b7545 | 688 | ret = auth_sae_send_commit(hapd, sta, bssid, 1); |
e96da42b BC |
689 | if (ret) |
690 | return ret; | |
691 | ||
692 | if (sae_process_commit(sta->sae) < 0) | |
693 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
694 | ||
695 | ret = auth_sae_send_confirm(hapd, sta, bssid); | |
696 | if (ret) | |
697 | return ret; | |
f3b8ad4d BC |
698 | |
699 | sae_set_retransmit_timer(hapd, sta); | |
e96da42b | 700 | } else { |
9f2cf23e | 701 | sae_accept_sta(hapd, sta); |
e96da42b BC |
702 | } |
703 | break; | |
704 | case SAE_ACCEPTED: | |
705 | if (auth_transaction == 1) { | |
706 | wpa_printf(MSG_DEBUG, "SAE: remove the STA (" MACSTR | |
707 | ") doing reauthentication", | |
708 | MAC2STR(sta->addr)); | |
709 | ap_free_sta(hapd, sta); | |
9f2cf23e | 710 | wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr); |
e96da42b | 711 | } else { |
f3b8ad4d BC |
712 | if (sae_check_big_sync(sta)) |
713 | return WLAN_STATUS_SUCCESS; | |
714 | sta->sae->sync++; | |
715 | ||
e96da42b BC |
716 | ret = auth_sae_send_confirm(hapd, sta, bssid); |
717 | sae_clear_temp_data(sta->sae); | |
718 | if (ret) | |
719 | return ret; | |
720 | } | |
721 | break; | |
722 | default: | |
723 | wpa_printf(MSG_ERROR, "SAE: invalid state %d", | |
724 | sta->sae->state); | |
725 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
726 | } | |
727 | return WLAN_STATUS_SUCCESS; | |
728 | } | |
729 | ||
730 | ||
dad01292 JM |
731 | static void sae_pick_next_group(struct hostapd_data *hapd, struct sta_info *sta) |
732 | { | |
733 | struct sae_data *sae = sta->sae; | |
734 | int i, *groups = hapd->conf->sae_groups; | |
735 | ||
736 | if (sae->state != SAE_COMMITTED) | |
737 | return; | |
738 | ||
739 | wpa_printf(MSG_DEBUG, "SAE: Previously selected group: %d", sae->group); | |
740 | ||
741 | for (i = 0; groups && groups[i] > 0; i++) { | |
742 | if (sae->group == groups[i]) | |
743 | break; | |
744 | } | |
745 | ||
746 | if (!groups || groups[i] <= 0) { | |
747 | wpa_printf(MSG_DEBUG, | |
748 | "SAE: Previously selected group not found from the current configuration"); | |
749 | return; | |
750 | } | |
751 | ||
752 | for (;;) { | |
753 | i++; | |
754 | if (groups[i] <= 0) { | |
755 | wpa_printf(MSG_DEBUG, | |
756 | "SAE: No alternative group enabled"); | |
757 | return; | |
758 | } | |
759 | ||
760 | if (sae_set_group(sae, groups[i]) < 0) | |
761 | continue; | |
762 | ||
763 | break; | |
764 | } | |
765 | wpa_printf(MSG_DEBUG, "SAE: Selected new group: %d", groups[i]); | |
766 | } | |
767 | ||
768 | ||
c10347f2 JM |
769 | static void handle_auth_sae(struct hostapd_data *hapd, struct sta_info *sta, |
770 | const struct ieee80211_mgmt *mgmt, size_t len, | |
afa2ffb4 | 771 | u16 auth_transaction, u16 status_code) |
c10347f2 | 772 | { |
bb598c3b | 773 | int resp = WLAN_STATUS_SUCCESS; |
750efe6e | 774 | struct wpabuf *data = NULL; |
c10347f2 | 775 | |
98efcc41 | 776 | if (!sta->sae) { |
bb598c3b AB |
777 | if (auth_transaction != 1 || |
778 | status_code != WLAN_STATUS_SUCCESS) { | |
779 | resp = -1; | |
780 | goto remove_sta; | |
781 | } | |
98efcc41 | 782 | sta->sae = os_zalloc(sizeof(*sta->sae)); |
bb598c3b AB |
783 | if (!sta->sae) { |
784 | resp = -1; | |
785 | goto remove_sta; | |
786 | } | |
dd43026a | 787 | sta->sae->state = SAE_NOTHING; |
f3b8ad4d | 788 | sta->sae->sync = 0; |
98efcc41 JM |
789 | } |
790 | ||
9f2cf23e MH |
791 | if (sta->mesh_sae_pmksa_caching) { |
792 | wpa_printf(MSG_DEBUG, | |
793 | "SAE: Cancel use of mesh PMKSA caching because peer starts SAE authentication"); | |
794 | wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr); | |
795 | sta->mesh_sae_pmksa_caching = 0; | |
796 | } | |
797 | ||
c10347f2 | 798 | if (auth_transaction == 1) { |
a959a3b6 | 799 | const u8 *token = NULL, *pos, *end; |
d136c376 | 800 | size_t token_len = 0; |
c10347f2 JM |
801 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
802 | HOSTAPD_LEVEL_DEBUG, | |
afa2ffb4 JM |
803 | "start SAE authentication (RX commit, status=%u)", |
804 | status_code); | |
872b7545 MH |
805 | |
806 | if ((hapd->conf->mesh & MESH_ENABLED) && | |
afa2ffb4 JM |
807 | status_code == WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ && |
808 | sta->sae->tmp) { | |
a959a3b6 MH |
809 | pos = mgmt->u.auth.variable; |
810 | end = ((const u8 *) mgmt) + len; | |
811 | if (pos + sizeof(le16) > end) { | |
812 | wpa_printf(MSG_ERROR, | |
813 | "SAE: Too short anti-clogging token request"); | |
814 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
815 | goto reply; | |
816 | } | |
817 | resp = sae_group_allowed(sta->sae, | |
818 | hapd->conf->sae_groups, | |
819 | WPA_GET_LE16(pos)); | |
820 | if (resp != WLAN_STATUS_SUCCESS) { | |
821 | wpa_printf(MSG_ERROR, | |
822 | "SAE: Invalid group in anti-clogging token request"); | |
823 | goto reply; | |
824 | } | |
825 | pos += sizeof(le16); | |
826 | ||
872b7545 MH |
827 | wpabuf_free(sta->sae->tmp->anti_clogging_token); |
828 | sta->sae->tmp->anti_clogging_token = | |
a959a3b6 | 829 | wpabuf_alloc_copy(pos, end - pos); |
872b7545 MH |
830 | if (sta->sae->tmp->anti_clogging_token == NULL) { |
831 | wpa_printf(MSG_ERROR, | |
832 | "SAE: Failed to alloc for anti-clogging token"); | |
bb598c3b AB |
833 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; |
834 | goto remove_sta; | |
872b7545 MH |
835 | } |
836 | ||
837 | /* | |
838 | * IEEE Std 802.11-2012, 11.3.8.6.4: If the Status code | |
839 | * is 76, a new Commit Message shall be constructed | |
840 | * with the Anti-Clogging Token from the received | |
841 | * Authentication frame, and the commit-scalar and | |
842 | * COMMIT-ELEMENT previously sent. | |
843 | */ | |
bb598c3b AB |
844 | resp = auth_sae_send_commit(hapd, sta, mgmt->bssid, 0); |
845 | if (resp != WLAN_STATUS_SUCCESS) { | |
872b7545 MH |
846 | wpa_printf(MSG_ERROR, |
847 | "SAE: Failed to send commit message"); | |
bb598c3b | 848 | goto remove_sta; |
872b7545 MH |
849 | } |
850 | sta->sae->state = SAE_COMMITTED; | |
f3b8ad4d BC |
851 | sta->sae->sync = 0; |
852 | sae_set_retransmit_timer(hapd, sta); | |
872b7545 MH |
853 | return; |
854 | } | |
855 | ||
dad01292 JM |
856 | if ((hapd->conf->mesh & MESH_ENABLED) && |
857 | status_code == | |
858 | WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED && | |
859 | sta->sae->tmp) { | |
860 | wpa_printf(MSG_DEBUG, | |
861 | "SAE: Peer did not accept our SAE group"); | |
862 | sae_pick_next_group(hapd, sta); | |
863 | goto remove_sta; | |
864 | } | |
865 | ||
afa2ffb4 | 866 | if (status_code != WLAN_STATUS_SUCCESS) |
bb598c3b | 867 | goto remove_sta; |
afa2ffb4 | 868 | |
146f6c9a JM |
869 | resp = sae_parse_commit(sta->sae, mgmt->u.auth.variable, |
870 | ((const u8 *) mgmt) + len - | |
d136c376 | 871 | mgmt->u.auth.variable, &token, |
625f202a | 872 | &token_len, hapd->conf->sae_groups); |
6a58444d JM |
873 | if (resp == SAE_SILENTLY_DISCARD) { |
874 | wpa_printf(MSG_DEBUG, | |
875 | "SAE: Drop commit message from " MACSTR " due to reflection attack", | |
876 | MAC2STR(sta->addr)); | |
bb598c3b | 877 | goto remove_sta; |
6a58444d | 878 | } |
d136c376 JM |
879 | if (token && check_sae_token(hapd, sta->addr, token, token_len) |
880 | < 0) { | |
881 | wpa_printf(MSG_DEBUG, "SAE: Drop commit message with " | |
882 | "incorrect token from " MACSTR, | |
883 | MAC2STR(sta->addr)); | |
bb598c3b AB |
884 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; |
885 | goto remove_sta; | |
d136c376 JM |
886 | } |
887 | ||
e96da42b BC |
888 | if (resp != WLAN_STATUS_SUCCESS) |
889 | goto reply; | |
890 | ||
891 | if (!token && use_sae_anti_clogging(hapd)) { | |
892 | wpa_printf(MSG_DEBUG, | |
893 | "SAE: Request anti-clogging token from " | |
894 | MACSTR, MAC2STR(sta->addr)); | |
a959a3b6 MH |
895 | data = auth_build_token_req(hapd, sta->sae->group, |
896 | sta->addr); | |
e96da42b | 897 | resp = WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ; |
872b7545 MH |
898 | if (hapd->conf->mesh & MESH_ENABLED) |
899 | sta->sae->state = SAE_NOTHING; | |
e96da42b | 900 | goto reply; |
750efe6e | 901 | } |
e96da42b BC |
902 | |
903 | resp = sae_sm_step(hapd, sta, mgmt->bssid, auth_transaction); | |
c10347f2 | 904 | } else if (auth_transaction == 2) { |
c10347f2 JM |
905 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
906 | HOSTAPD_LEVEL_DEBUG, | |
afa2ffb4 JM |
907 | "SAE authentication (RX confirm, status=%u)", |
908 | status_code); | |
909 | if (status_code != WLAN_STATUS_SUCCESS) | |
bb598c3b | 910 | goto remove_sta; |
e96da42b BC |
911 | if (sta->sae->state >= SAE_CONFIRMED || |
912 | !(hapd->conf->mesh & MESH_ENABLED)) { | |
913 | if (sae_check_confirm(sta->sae, mgmt->u.auth.variable, | |
914 | ((u8 *) mgmt) + len - | |
915 | mgmt->u.auth.variable) < 0) { | |
750efe6e | 916 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; |
e96da42b | 917 | goto reply; |
b4fd3613 | 918 | } |
21af6d15 | 919 | } |
e96da42b | 920 | resp = sae_sm_step(hapd, sta, mgmt->bssid, auth_transaction); |
c10347f2 JM |
921 | } else { |
922 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
923 | HOSTAPD_LEVEL_DEBUG, | |
afa2ffb4 JM |
924 | "unexpected SAE authentication transaction %u (status=%u)", |
925 | auth_transaction, status_code); | |
926 | if (status_code != WLAN_STATUS_SUCCESS) | |
bb598c3b | 927 | goto remove_sta; |
c10347f2 JM |
928 | resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; |
929 | } | |
930 | ||
e96da42b BC |
931 | reply: |
932 | if (resp != WLAN_STATUS_SUCCESS) { | |
933 | send_auth_reply(hapd, mgmt->sa, mgmt->bssid, WLAN_AUTH_SAE, | |
934 | auth_transaction, resp, | |
935 | data ? wpabuf_head(data) : (u8 *) "", | |
936 | data ? wpabuf_len(data) : 0); | |
937 | } | |
bb598c3b AB |
938 | |
939 | remove_sta: | |
940 | if (sta->added_unassoc && (resp != WLAN_STATUS_SUCCESS || | |
941 | status_code != WLAN_STATUS_SUCCESS)) { | |
942 | hostapd_drv_sta_remove(hapd, sta->addr); | |
943 | sta->added_unassoc = 0; | |
944 | } | |
21af6d15 | 945 | wpabuf_free(data); |
c10347f2 | 946 | } |
a206e2a1 BC |
947 | |
948 | ||
949 | /** | |
950 | * auth_sae_init_committed - Send COMMIT and start SAE in committed state | |
951 | * @hapd: BSS data for the device initiating the authentication | |
952 | * @sta: the peer to which commit authentication frame is sent | |
953 | * | |
954 | * This function implements Init event handling (IEEE Std 802.11-2012, | |
955 | * 11.3.8.6.3) in which initial COMMIT message is sent. Prior to calling, the | |
956 | * sta->sae structure should be initialized appropriately via a call to | |
957 | * sae_prepare_commit(). | |
958 | */ | |
959 | int auth_sae_init_committed(struct hostapd_data *hapd, struct sta_info *sta) | |
960 | { | |
961 | int ret; | |
962 | ||
963 | if (!sta->sae || !sta->sae->tmp) | |
964 | return -1; | |
965 | ||
966 | if (sta->sae->state != SAE_NOTHING) | |
967 | return -1; | |
968 | ||
969 | ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0); | |
970 | if (ret) | |
971 | return -1; | |
972 | ||
973 | sta->sae->state = SAE_COMMITTED; | |
f3b8ad4d BC |
974 | sta->sae->sync = 0; |
975 | sae_set_retransmit_timer(hapd, sta); | |
a206e2a1 BC |
976 | |
977 | return 0; | |
978 | } | |
979 | ||
c10347f2 JM |
980 | #endif /* CONFIG_SAE */ |
981 | ||
982 | ||
ffb62f22 JM |
983 | static u16 wpa_res_to_status_code(int res) |
984 | { | |
985 | if (res == WPA_INVALID_GROUP) | |
986 | return WLAN_STATUS_GROUP_CIPHER_NOT_VALID; | |
987 | if (res == WPA_INVALID_PAIRWISE) | |
988 | return WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; | |
989 | if (res == WPA_INVALID_AKMP) | |
990 | return WLAN_STATUS_AKMP_NOT_VALID; | |
991 | if (res == WPA_ALLOC_FAIL) | |
992 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
993 | #ifdef CONFIG_IEEE80211W | |
994 | if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) | |
995 | return WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION; | |
996 | if (res == WPA_INVALID_MGMT_GROUP_CIPHER) | |
997 | return WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION; | |
998 | #endif /* CONFIG_IEEE80211W */ | |
999 | if (res == WPA_INVALID_MDIE) | |
1000 | return WLAN_STATUS_INVALID_MDIE; | |
1001 | if (res != WPA_IE_OK) | |
1002 | return WLAN_STATUS_INVALID_IE; | |
1003 | return WLAN_STATUS_SUCCESS; | |
1004 | } | |
1005 | ||
1006 | ||
c4fd6d8a JM |
1007 | #ifdef CONFIG_FILS |
1008 | ||
1009 | static void handle_auth_fils_finish(struct hostapd_data *hapd, | |
1010 | struct sta_info *sta, u16 resp, | |
1011 | struct rsn_pmksa_cache_entry *pmksa, | |
1012 | struct wpabuf *erp_resp, | |
1013 | const u8 *msk, size_t msk_len); | |
1014 | ||
1015 | static void handle_auth_fils(struct hostapd_data *hapd, struct sta_info *sta, | |
1016 | const struct ieee80211_mgmt *mgmt, size_t len, | |
1017 | u16 auth_transaction, u16 status_code) | |
1018 | { | |
1019 | u16 resp = WLAN_STATUS_SUCCESS; | |
1020 | const u8 *pos, *end; | |
1021 | struct ieee802_11_elems elems; | |
1022 | int res; | |
1023 | struct wpa_ie_data rsn; | |
1024 | struct rsn_pmksa_cache_entry *pmksa = NULL; | |
1025 | ||
1026 | if (auth_transaction != 1 || status_code != WLAN_STATUS_SUCCESS) | |
1027 | return; | |
1028 | ||
1029 | pos = mgmt->u.auth.variable; | |
1030 | end = ((const u8 *) mgmt) + len; | |
1031 | ||
1032 | wpa_hexdump(MSG_DEBUG, "FILS: Authentication frame fields", | |
1033 | pos, end - pos); | |
1034 | ||
1035 | /* TODO: Finite Cyclic Group when using PK or PFS */ | |
1036 | /* TODO: Element when using PK or PFS */ | |
1037 | ||
1038 | wpa_hexdump(MSG_DEBUG, "FILS: Remaining IEs", pos, end - pos); | |
1039 | if (ieee802_11_parse_elems(pos, end - pos, &elems, 1) == ParseFailed) { | |
1040 | wpa_printf(MSG_DEBUG, "FILS: Could not parse elements"); | |
1041 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1042 | goto fail; | |
1043 | } | |
1044 | ||
1045 | /* RSNE */ | |
1046 | wpa_hexdump(MSG_DEBUG, "FILS: RSN element", | |
1047 | elems.rsn_ie, elems.rsn_ie_len); | |
1048 | if (!elems.rsn_ie || | |
1049 | wpa_parse_wpa_ie_rsn(elems.rsn_ie - 2, elems.rsn_ie_len + 2, | |
1050 | &rsn) < 0) { | |
1051 | wpa_printf(MSG_DEBUG, "FILS: No valid RSN element"); | |
1052 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1053 | goto fail; | |
1054 | } | |
1055 | ||
1056 | if (!sta->wpa_sm) | |
1057 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, | |
1058 | NULL); | |
1059 | if (!sta->wpa_sm) { | |
1060 | wpa_printf(MSG_DEBUG, | |
1061 | "FILS: Failed to initialize RSN state machine"); | |
1062 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1063 | goto fail; | |
1064 | } | |
1065 | ||
1066 | res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, | |
1067 | elems.rsn_ie - 2, elems.rsn_ie_len + 2, | |
1068 | elems.mdie, elems.mdie_len); | |
1069 | resp = wpa_res_to_status_code(res); | |
1070 | if (resp != WLAN_STATUS_SUCCESS) | |
1071 | goto fail; | |
1072 | ||
1073 | /* TODO: MDE when using FILS+FT */ | |
1074 | /* TODO: FTE when using FILS+FT */ | |
1075 | ||
1076 | if (!elems.fils_nonce) { | |
1077 | wpa_printf(MSG_DEBUG, "FILS: No FILS Nonce field"); | |
1078 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1079 | goto fail; | |
1080 | } | |
1081 | wpa_hexdump(MSG_DEBUG, "FILS: SNonce", elems.fils_nonce, | |
1082 | FILS_NONCE_LEN); | |
1083 | os_memcpy(sta->fils_snonce, elems.fils_nonce, FILS_NONCE_LEN); | |
1084 | ||
1085 | /* PMKID List */ | |
1086 | if (rsn.pmkid && rsn.num_pmkid > 0) { | |
1087 | u8 num; | |
1088 | const u8 *pmkid; | |
1089 | ||
1090 | wpa_hexdump(MSG_DEBUG, "FILS: PMKID List", | |
1091 | rsn.pmkid, rsn.num_pmkid * PMKID_LEN); | |
1092 | ||
1093 | pmkid = rsn.pmkid; | |
1094 | num = rsn.num_pmkid; | |
1095 | while (num) { | |
1096 | wpa_hexdump(MSG_DEBUG, "FILS: PMKID", pmkid, PMKID_LEN); | |
1097 | pmksa = wpa_auth_pmksa_get(hapd->wpa_auth, sta->addr, | |
1098 | pmkid); | |
1099 | if (pmksa) | |
1100 | break; | |
1101 | pmkid += PMKID_LEN; | |
1102 | num--; | |
1103 | } | |
1104 | } | |
1105 | if (pmksa && wpa_auth_sta_key_mgmt(sta->wpa_sm) != pmksa->akmp) { | |
1106 | wpa_printf(MSG_DEBUG, | |
1107 | "FILS: Matching PMKSA cache entry has different AKMP (0x%x != 0x%x) - ignore", | |
1108 | wpa_auth_sta_key_mgmt(sta->wpa_sm), pmksa->akmp); | |
1109 | pmksa = NULL; | |
1110 | } | |
1111 | if (pmksa) | |
1112 | wpa_printf(MSG_DEBUG, "FILS: Found matching PMKSA cache entry"); | |
1113 | ||
1114 | /* FILS Session */ | |
1115 | if (!elems.fils_session) { | |
1116 | wpa_printf(MSG_DEBUG, "FILS: No FILS Session element"); | |
1117 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1118 | goto fail; | |
1119 | } | |
1120 | wpa_hexdump(MSG_DEBUG, "FILS: FILS Session", elems.fils_session, | |
1121 | FILS_SESSION_LEN); | |
1122 | os_memcpy(sta->fils_session, elems.fils_session, FILS_SESSION_LEN); | |
1123 | ||
1124 | /* FILS Wrapped Data */ | |
1125 | if (elems.fils_wrapped_data) { | |
1126 | wpa_hexdump(MSG_DEBUG, "FILS: Wrapped Data", | |
1127 | elems.fils_wrapped_data, | |
1128 | elems.fils_wrapped_data_len); | |
1129 | if (!pmksa) { | |
1130 | #ifndef CONFIG_NO_RADIUS | |
1131 | if (!sta->eapol_sm) { | |
1132 | sta->eapol_sm = | |
1133 | ieee802_1x_alloc_eapol_sm(hapd, sta); | |
1134 | } | |
1135 | wpa_printf(MSG_DEBUG, | |
1136 | "FILS: Forward EAP-Identity/Re-auth Start to authentication server"); | |
1137 | ieee802_1x_encapsulate_radius( | |
1138 | hapd, sta, elems.fils_wrapped_data, | |
1139 | elems.fils_wrapped_data_len); | |
1140 | wpa_printf(MSG_DEBUG, | |
1141 | "FILS: Will send Authentication frame once the response from authentication server is available"); | |
1142 | sta->flags |= WLAN_STA_PENDING_FILS_ERP; | |
1143 | return; | |
1144 | #else /* CONFIG_NO_RADIUS */ | |
1145 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1146 | goto fail; | |
1147 | #endif /* CONFIG_NO_RADIUS */ | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | fail: | |
1152 | handle_auth_fils_finish(hapd, sta, resp, pmksa, NULL, NULL, 0); | |
1153 | } | |
1154 | ||
1155 | ||
1156 | static void handle_auth_fils_finish(struct hostapd_data *hapd, | |
1157 | struct sta_info *sta, u16 resp, | |
1158 | struct rsn_pmksa_cache_entry *pmksa, | |
1159 | struct wpabuf *erp_resp, | |
1160 | const u8 *msk, size_t msk_len) | |
1161 | { | |
1162 | u8 fils_nonce[FILS_NONCE_LEN]; | |
1163 | size_t ielen; | |
1164 | struct wpabuf *data = NULL; | |
1165 | const u8 *ie; | |
1166 | u8 *ie_buf = NULL; | |
1167 | const u8 *pmk = NULL; | |
1168 | size_t pmk_len = 0; | |
1169 | ||
1170 | if (resp != WLAN_STATUS_SUCCESS) | |
1171 | goto fail; | |
1172 | ||
1173 | ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen); | |
1174 | if (!ie) { | |
1175 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1176 | goto fail; | |
1177 | } | |
1178 | if (pmksa) { | |
1179 | /* Add PMKID of the selected PMKSA into RSNE */ | |
1180 | ie_buf = os_malloc(ielen + 2 + 2 + PMKID_LEN); | |
1181 | if (!ie_buf) { | |
1182 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1183 | goto fail; | |
1184 | } | |
1185 | os_memcpy(ie_buf, ie, ielen); | |
1186 | if (wpa_insert_pmkid(ie_buf, &ielen, pmksa->pmkid) < 0) { | |
1187 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1188 | goto fail; | |
1189 | } | |
1190 | ie = ie_buf; | |
1191 | } | |
1192 | ||
1193 | if (random_get_bytes(fils_nonce, FILS_NONCE_LEN) < 0) { | |
1194 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1195 | goto fail; | |
1196 | } | |
1197 | wpa_hexdump(MSG_DEBUG, "RSN: Generated FILS Nonce", | |
1198 | fils_nonce, FILS_NONCE_LEN); | |
1199 | ||
1200 | data = wpabuf_alloc(1000 + ielen); | |
1201 | if (!data) { | |
1202 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1203 | goto fail; | |
1204 | } | |
1205 | ||
1206 | /* TODO: Finite Cyclic Group when using PK or PFS */ | |
1207 | /* TODO: Element when using PK or PFS */ | |
1208 | ||
1209 | /* RSNE */ | |
1210 | wpabuf_put_data(data, ie, ielen); | |
1211 | ||
1212 | /* TODO: MDE when using FILS+FT */ | |
1213 | /* TODO: FTE when using FILS+FT */ | |
1214 | ||
1215 | /* FILS Nonce */ | |
1216 | wpabuf_put_u8(data, WLAN_EID_EXTENSION); /* Element ID */ | |
1217 | wpabuf_put_u8(data, 1 + FILS_NONCE_LEN); /* Length */ | |
1218 | /* Element ID Extension */ | |
1219 | wpabuf_put_u8(data, WLAN_EID_EXT_FILS_NONCE); | |
1220 | wpabuf_put_data(data, fils_nonce, FILS_NONCE_LEN); | |
1221 | ||
1222 | /* FILS Session */ | |
1223 | wpabuf_put_u8(data, WLAN_EID_EXTENSION); /* Element ID */ | |
1224 | wpabuf_put_u8(data, 1 + FILS_SESSION_LEN); /* Length */ | |
1225 | /* Element ID Extension */ | |
1226 | wpabuf_put_u8(data, WLAN_EID_EXT_FILS_SESSION); | |
1227 | wpabuf_put_data(data, sta->fils_session, FILS_SESSION_LEN); | |
1228 | ||
1229 | /* FILS Wrapped Data */ | |
1230 | if (!pmksa && erp_resp) { | |
1231 | wpabuf_put_u8(data, WLAN_EID_EXTENSION); /* Element ID */ | |
1232 | wpabuf_put_u8(data, 1 + wpabuf_len(erp_resp)); /* Length */ | |
1233 | /* Element ID Extension */ | |
1234 | wpabuf_put_u8(data, WLAN_EID_EXT_FILS_WRAPPED_DATA); | |
1235 | wpabuf_put_buf(data, erp_resp); | |
1236 | ||
1237 | pmk = msk; | |
1238 | pmk_len = msk_len > PMK_LEN ? PMK_LEN : msk_len; | |
1239 | } else if (pmksa) { | |
1240 | pmk = pmksa->pmk; | |
1241 | pmk_len = pmksa->pmk_len; | |
1242 | } | |
1243 | ||
1244 | if (!pmk) { | |
1245 | wpa_printf(MSG_DEBUG, "FILS: No PMK available"); | |
1246 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1247 | wpabuf_free(data); | |
1248 | data = NULL; | |
1249 | goto fail; | |
1250 | } | |
1251 | ||
1252 | if (fils_auth_pmk_to_ptk(sta->wpa_sm, pmk, pmk_len, | |
1253 | sta->fils_snonce, fils_nonce) < 0) { | |
1254 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1255 | wpabuf_free(data); | |
1256 | data = NULL; | |
1257 | goto fail; | |
1258 | } | |
1259 | ||
1260 | fail: | |
1261 | send_auth_reply(hapd, sta->addr, hapd->own_addr, WLAN_AUTH_FILS_SK, 2, | |
1262 | resp, | |
1263 | data ? wpabuf_head(data) : (u8 *) "", | |
1264 | data ? wpabuf_len(data) : 0); | |
1265 | wpabuf_free(data); | |
1266 | ||
1267 | if (resp == WLAN_STATUS_SUCCESS) { | |
1268 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1269 | HOSTAPD_LEVEL_DEBUG, | |
1270 | "authentication OK (FILS)"); | |
1271 | sta->flags |= WLAN_STA_AUTH; | |
1272 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
1273 | sta->auth_alg = WLAN_AUTH_FILS_SK; | |
1274 | mlme_authenticate_indication(hapd, sta); | |
1275 | } | |
1276 | ||
1277 | os_free(ie_buf); | |
1278 | } | |
1279 | ||
1280 | ||
1281 | void ieee802_11_finish_fils_auth(struct hostapd_data *hapd, | |
1282 | struct sta_info *sta, int success, | |
1283 | struct wpabuf *erp_resp, | |
1284 | const u8 *msk, size_t msk_len) | |
1285 | { | |
1286 | sta->flags &= ~WLAN_STA_PENDING_FILS_ERP; | |
1287 | handle_auth_fils_finish(hapd, sta, success ? WLAN_STATUS_SUCCESS : | |
1288 | WLAN_STATUS_UNSPECIFIED_FAILURE, NULL, | |
1289 | erp_resp, msk, msk_len); | |
1290 | } | |
1291 | ||
1292 | #endif /* CONFIG_FILS */ | |
1293 | ||
1294 | ||
b57e086c JM |
1295 | static void handle_auth(struct hostapd_data *hapd, |
1296 | const struct ieee80211_mgmt *mgmt, size_t len) | |
6fc6879b JM |
1297 | { |
1298 | u16 auth_alg, auth_transaction, status_code; | |
1299 | u16 resp = WLAN_STATUS_SUCCESS; | |
1300 | struct sta_info *sta = NULL; | |
bb598c3b | 1301 | int res, reply_res; |
6fc6879b | 1302 | u16 fc; |
b57e086c | 1303 | const u8 *challenge = NULL; |
6fc6879b | 1304 | u32 session_timeout, acct_interim_interval; |
1889af2e | 1305 | struct vlan_description vlan_id; |
2ad3e6c8 | 1306 | struct hostapd_sta_wpa_psk_short *psk = NULL; |
6fc6879b JM |
1307 | u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; |
1308 | size_t resp_ies_len = 0; | |
2092597f MB |
1309 | char *identity = NULL; |
1310 | char *radius_cui = NULL; | |
38cb0a2d | 1311 | u16 seq_ctrl; |
6fc6879b | 1312 | |
1889af2e MB |
1313 | os_memset(&vlan_id, 0, sizeof(vlan_id)); |
1314 | ||
6fc6879b | 1315 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) { |
61323e70 JM |
1316 | wpa_printf(MSG_INFO, "handle_auth - too short payload (len=%lu)", |
1317 | (unsigned long) len); | |
6fc6879b JM |
1318 | return; |
1319 | } | |
1320 | ||
c2aff6b1 | 1321 | #ifdef CONFIG_TESTING_OPTIONS |
06df2aa6 | 1322 | if (hapd->iconf->ignore_auth_probability > 0.0 && |
c2aff6b1 JB |
1323 | drand48() < hapd->iconf->ignore_auth_probability) { |
1324 | wpa_printf(MSG_INFO, | |
1325 | "TESTING: ignoring auth frame from " MACSTR, | |
1326 | MAC2STR(mgmt->sa)); | |
1327 | return; | |
1328 | } | |
1329 | #endif /* CONFIG_TESTING_OPTIONS */ | |
1330 | ||
6fc6879b JM |
1331 | auth_alg = le_to_host16(mgmt->u.auth.auth_alg); |
1332 | auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction); | |
1333 | status_code = le_to_host16(mgmt->u.auth.status_code); | |
1334 | fc = le_to_host16(mgmt->frame_control); | |
38cb0a2d | 1335 | seq_ctrl = le_to_host16(mgmt->seq_ctrl); |
6fc6879b JM |
1336 | |
1337 | if (len >= IEEE80211_HDRLEN + sizeof(mgmt->u.auth) + | |
1338 | 2 + WLAN_AUTH_CHALLENGE_LEN && | |
1339 | mgmt->u.auth.variable[0] == WLAN_EID_CHALLENGE && | |
1340 | mgmt->u.auth.variable[1] == WLAN_AUTH_CHALLENGE_LEN) | |
1341 | challenge = &mgmt->u.auth.variable[2]; | |
1342 | ||
1343 | wpa_printf(MSG_DEBUG, "authentication: STA=" MACSTR " auth_alg=%d " | |
38cb0a2d IP |
1344 | "auth_transaction=%d status_code=%d wep=%d%s " |
1345 | "seq_ctrl=0x%x%s", | |
6fc6879b JM |
1346 | MAC2STR(mgmt->sa), auth_alg, auth_transaction, |
1347 | status_code, !!(fc & WLAN_FC_ISWEP), | |
38cb0a2d IP |
1348 | challenge ? " challenge" : "", |
1349 | seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : ""); | |
6fc6879b | 1350 | |
7cb53ded JM |
1351 | #ifdef CONFIG_NO_RC4 |
1352 | if (auth_alg == WLAN_AUTH_SHARED_KEY) { | |
1353 | wpa_printf(MSG_INFO, | |
1354 | "Unsupported authentication algorithm (%d)", | |
1355 | auth_alg); | |
1356 | resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; | |
1357 | goto fail; | |
1358 | } | |
1359 | #endif /* CONFIG_NO_RC4 */ | |
1360 | ||
6fc6879b JM |
1361 | if (hapd->tkip_countermeasures) { |
1362 | resp = WLAN_REASON_MICHAEL_MIC_FAILURE; | |
1363 | goto fail; | |
1364 | } | |
1365 | ||
1366 | if (!(((hapd->conf->auth_algs & WPA_AUTH_ALG_OPEN) && | |
1367 | auth_alg == WLAN_AUTH_OPEN) || | |
1368 | #ifdef CONFIG_IEEE80211R | |
0bf927a0 | 1369 | (hapd->conf->wpa && wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) && |
6fc6879b JM |
1370 | auth_alg == WLAN_AUTH_FT) || |
1371 | #endif /* CONFIG_IEEE80211R */ | |
c10347f2 JM |
1372 | #ifdef CONFIG_SAE |
1373 | (hapd->conf->wpa && wpa_key_mgmt_sae(hapd->conf->wpa_key_mgmt) && | |
1374 | auth_alg == WLAN_AUTH_SAE) || | |
1375 | #endif /* CONFIG_SAE */ | |
c4fd6d8a JM |
1376 | #ifdef CONFIG_FILS |
1377 | (hapd->conf->wpa && wpa_key_mgmt_fils(hapd->conf->wpa_key_mgmt) && | |
1378 | auth_alg == WLAN_AUTH_FILS_SK) || | |
1379 | #endif /* CONFIG_FILS */ | |
6fc6879b JM |
1380 | ((hapd->conf->auth_algs & WPA_AUTH_ALG_SHARED) && |
1381 | auth_alg == WLAN_AUTH_SHARED_KEY))) { | |
61323e70 JM |
1382 | wpa_printf(MSG_INFO, "Unsupported authentication algorithm (%d)", |
1383 | auth_alg); | |
6fc6879b JM |
1384 | resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; |
1385 | goto fail; | |
1386 | } | |
1387 | ||
c10347f2 | 1388 | if (!(auth_transaction == 1 || auth_alg == WLAN_AUTH_SAE || |
6fc6879b | 1389 | (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 3))) { |
61323e70 JM |
1390 | wpa_printf(MSG_INFO, "Unknown authentication transaction number (%d)", |
1391 | auth_transaction); | |
6fc6879b JM |
1392 | resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; |
1393 | goto fail; | |
1394 | } | |
1395 | ||
1396 | if (os_memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) { | |
61323e70 JM |
1397 | wpa_printf(MSG_INFO, "Station " MACSTR " not allowed to authenticate", |
1398 | MAC2STR(mgmt->sa)); | |
6fc6879b JM |
1399 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; |
1400 | goto fail; | |
1401 | } | |
1402 | ||
0e2412d0 JM |
1403 | if (hapd->conf->no_auth_if_seen_on) { |
1404 | struct hostapd_data *other; | |
1405 | ||
1406 | other = sta_track_seen_on(hapd->iface, mgmt->sa, | |
1407 | hapd->conf->no_auth_if_seen_on); | |
1408 | if (other) { | |
1409 | u8 *pos; | |
1410 | u32 info; | |
1411 | u8 op_class, channel, phytype; | |
1412 | ||
1413 | wpa_printf(MSG_DEBUG, "%s: Reject authentication from " | |
1414 | MACSTR " since STA has been seen on %s", | |
1415 | hapd->conf->iface, MAC2STR(mgmt->sa), | |
1416 | hapd->conf->no_auth_if_seen_on); | |
1417 | ||
1418 | resp = WLAN_STATUS_REJECTED_WITH_SUGGESTED_BSS_TRANSITION; | |
1419 | pos = &resp_ies[0]; | |
1420 | *pos++ = WLAN_EID_NEIGHBOR_REPORT; | |
1421 | *pos++ = 13; | |
1422 | os_memcpy(pos, other->own_addr, ETH_ALEN); | |
1423 | pos += ETH_ALEN; | |
1424 | info = 0; /* TODO: BSSID Information */ | |
1425 | WPA_PUT_LE32(pos, info); | |
1426 | pos += 4; | |
1427 | if (other->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD) | |
1428 | phytype = 8; /* dmg */ | |
1429 | else if (other->iconf->ieee80211ac) | |
1430 | phytype = 9; /* vht */ | |
1431 | else if (other->iconf->ieee80211n) | |
1432 | phytype = 7; /* ht */ | |
1433 | else if (other->iconf->hw_mode == | |
1434 | HOSTAPD_MODE_IEEE80211A) | |
1435 | phytype = 4; /* ofdm */ | |
1436 | else if (other->iconf->hw_mode == | |
1437 | HOSTAPD_MODE_IEEE80211G) | |
1438 | phytype = 6; /* erp */ | |
1439 | else | |
1440 | phytype = 5; /* hrdsss */ | |
1441 | if (ieee80211_freq_to_channel_ext( | |
1442 | hostapd_hw_get_freq(other, | |
1443 | other->iconf->channel), | |
1444 | other->iconf->secondary_channel, | |
1445 | other->iconf->ieee80211ac, | |
1446 | &op_class, &channel) == NUM_HOSTAPD_MODES) { | |
1447 | op_class = 0; | |
1448 | channel = other->iconf->channel; | |
1449 | } | |
1450 | *pos++ = op_class; | |
1451 | *pos++ = channel; | |
1452 | *pos++ = phytype; | |
1453 | resp_ies_len = pos - &resp_ies[0]; | |
1454 | goto fail; | |
1455 | } | |
1456 | } | |
1457 | ||
6fc6879b JM |
1458 | res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len, |
1459 | &session_timeout, | |
05ab9712 | 1460 | &acct_interim_interval, &vlan_id, |
2ad3e6c8 | 1461 | &psk, &identity, &radius_cui); |
05ab9712 | 1462 | |
6fc6879b | 1463 | if (res == HOSTAPD_ACL_REJECT) { |
61323e70 JM |
1464 | wpa_printf(MSG_INFO, "Station " MACSTR " not allowed to authenticate", |
1465 | MAC2STR(mgmt->sa)); | |
6fc6879b JM |
1466 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; |
1467 | goto fail; | |
1468 | } | |
1469 | if (res == HOSTAPD_ACL_PENDING) { | |
1470 | wpa_printf(MSG_DEBUG, "Authentication frame from " MACSTR | |
1471 | " waiting for an external authentication", | |
1472 | MAC2STR(mgmt->sa)); | |
1473 | /* Authentication code will re-send the authentication frame | |
1474 | * after it has received (and cached) information from the | |
1475 | * external source. */ | |
1476 | return; | |
1477 | } | |
1478 | ||
38cb0a2d IP |
1479 | sta = ap_get_sta(hapd, mgmt->sa); |
1480 | if (sta) { | |
c4fd6d8a | 1481 | sta->flags &= ~WLAN_STA_PENDING_FILS_ERP; |
38cb0a2d IP |
1482 | if ((fc & WLAN_FC_RETRY) && |
1483 | sta->last_seq_ctrl != WLAN_INVALID_MGMT_SEQ && | |
1484 | sta->last_seq_ctrl == seq_ctrl && | |
1485 | sta->last_subtype == WLAN_FC_STYPE_AUTH) { | |
1486 | hostapd_logger(hapd, sta->addr, | |
1487 | HOSTAPD_MODULE_IEEE80211, | |
1488 | HOSTAPD_LEVEL_DEBUG, | |
1489 | "Drop repeated authentication frame seq_ctrl=0x%x", | |
1490 | seq_ctrl); | |
1491 | return; | |
1492 | } | |
09d96de0 MH |
1493 | #ifdef CONFIG_MESH |
1494 | if ((hapd->conf->mesh & MESH_ENABLED) && | |
1495 | sta->plink_state == PLINK_BLOCKED) { | |
1496 | wpa_printf(MSG_DEBUG, "Mesh peer " MACSTR | |
1497 | " is blocked - drop Authentication frame", | |
1498 | MAC2STR(mgmt->sa)); | |
1499 | return; | |
1500 | } | |
1501 | #endif /* CONFIG_MESH */ | |
38cb0a2d | 1502 | } else { |
c50d94f1 | 1503 | #ifdef CONFIG_MESH |
38cb0a2d IP |
1504 | if (hapd->conf->mesh & MESH_ENABLED) { |
1505 | /* if the mesh peer is not available, we don't do auth. | |
1506 | */ | |
3a322496 | 1507 | wpa_printf(MSG_DEBUG, "Mesh peer " MACSTR |
09d96de0 | 1508 | " not yet known - drop Authentication frame", |
3a322496 JM |
1509 | MAC2STR(mgmt->sa)); |
1510 | /* | |
1511 | * Save a copy of the frame so that it can be processed | |
1512 | * if a new peer entry is added shortly after this. | |
1513 | */ | |
1514 | wpabuf_free(hapd->mesh_pending_auth); | |
1515 | hapd->mesh_pending_auth = wpabuf_alloc_copy(mgmt, len); | |
1516 | os_get_reltime(&hapd->mesh_pending_auth_time); | |
c50d94f1 | 1517 | return; |
38cb0a2d | 1518 | } |
c50d94f1 | 1519 | #endif /* CONFIG_MESH */ |
38cb0a2d | 1520 | |
c50d94f1 BC |
1521 | sta = ap_sta_add(hapd, mgmt->sa); |
1522 | if (!sta) { | |
1523 | resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
1524 | goto fail; | |
1525 | } | |
6fc6879b | 1526 | } |
38cb0a2d IP |
1527 | sta->last_seq_ctrl = seq_ctrl; |
1528 | sta->last_subtype = WLAN_FC_STYPE_AUTH; | |
6fc6879b | 1529 | |
8be640b7 MB |
1530 | if (vlan_id.notempty && |
1531 | !hostapd_vlan_valid(hapd->conf->vlan, &vlan_id)) { | |
6fc6879b | 1532 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, |
8be640b7 MB |
1533 | HOSTAPD_LEVEL_INFO, |
1534 | "Invalid VLAN %d%s received from RADIUS server", | |
1535 | vlan_id.untagged, | |
1536 | vlan_id.tagged[0] ? "+" : ""); | |
1537 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1538 | goto fail; | |
1539 | } | |
1540 | if (ap_sta_set_vlan(hapd, sta, &vlan_id) < 0) { | |
1541 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1542 | goto fail; | |
6fc6879b | 1543 | } |
8be640b7 MB |
1544 | if (sta->vlan_id) |
1545 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, | |
1546 | HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id); | |
6fc6879b | 1547 | |
f2a14be7 | 1548 | hostapd_free_psk_list(sta->psk); |
5ee56c4e MB |
1549 | if (hapd->conf->wpa_psk_radius != PSK_RADIUS_IGNORED) { |
1550 | sta->psk = psk; | |
1551 | psk = NULL; | |
05ab9712 | 1552 | } else { |
05ab9712 MB |
1553 | sta->psk = NULL; |
1554 | } | |
1555 | ||
2092597f MB |
1556 | sta->identity = identity; |
1557 | identity = NULL; | |
1558 | sta->radius_cui = radius_cui; | |
1559 | radius_cui = NULL; | |
1560 | ||
6fc6879b JM |
1561 | sta->flags &= ~WLAN_STA_PREAUTH; |
1562 | ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); | |
1563 | ||
5843e1c9 | 1564 | if (hapd->conf->acct_interim_interval == 0 && acct_interim_interval) |
6fc6879b JM |
1565 | sta->acct_interim_interval = acct_interim_interval; |
1566 | if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT) | |
1567 | ap_sta_session_timeout(hapd, sta, session_timeout); | |
1568 | else | |
1569 | ap_sta_no_session_timeout(hapd, sta); | |
1570 | ||
bb598c3b AB |
1571 | /* |
1572 | * If the driver supports full AP client state, add a station to the | |
1573 | * driver before sending authentication reply to make sure the driver | |
1574 | * has resources, and not to go through the entire authentication and | |
1575 | * association handshake, and fail it at the end. | |
1576 | * | |
1577 | * If this is not the first transaction, in a multi-step authentication | |
1578 | * algorithm, the station already exists in the driver | |
1579 | * (sta->added_unassoc = 1) so skip it. | |
1580 | * | |
1581 | * In mesh mode, the station was already added to the driver when the | |
1582 | * NEW_PEER_CANDIDATE event is received. | |
1583 | */ | |
1584 | if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) && | |
1585 | !(hapd->conf->mesh & MESH_ENABLED) && | |
1586 | !(sta->added_unassoc)) { | |
1587 | /* | |
1588 | * If a station that is already associated to the AP, is trying | |
1589 | * to authenticate again, remove the STA entry, in order to make | |
1590 | * sure the STA PS state gets cleared and configuration gets | |
1591 | * updated. To handle this, station's added_unassoc flag is | |
1592 | * cleared once the station has completed association. | |
1593 | */ | |
1594 | hostapd_drv_sta_remove(hapd, sta->addr); | |
1595 | sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_AUTH | | |
1596 | WLAN_STA_AUTHORIZED); | |
1597 | ||
468b7b12 | 1598 | if (hostapd_sta_add(hapd, sta->addr, 0, 0, NULL, 0, 0, |
ae33239c | 1599 | NULL, NULL, sta->flags, 0, 0, 0, 0)) { |
bb598c3b AB |
1600 | hostapd_logger(hapd, sta->addr, |
1601 | HOSTAPD_MODULE_IEEE80211, | |
1602 | HOSTAPD_LEVEL_NOTICE, | |
1603 | "Could not add STA to kernel driver"); | |
1604 | resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
1605 | goto fail; | |
1606 | } | |
1607 | ||
1608 | sta->added_unassoc = 1; | |
1609 | } | |
1610 | ||
6fc6879b JM |
1611 | switch (auth_alg) { |
1612 | case WLAN_AUTH_OPEN: | |
1613 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1614 | HOSTAPD_LEVEL_DEBUG, | |
1615 | "authentication OK (open system)"); | |
6fc6879b JM |
1616 | sta->flags |= WLAN_STA_AUTH; |
1617 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
1618 | sta->auth_alg = WLAN_AUTH_OPEN; | |
1619 | mlme_authenticate_indication(hapd, sta); | |
6fc6879b | 1620 | break; |
7cb53ded | 1621 | #ifndef CONFIG_NO_RC4 |
6fc6879b JM |
1622 | case WLAN_AUTH_SHARED_KEY: |
1623 | resp = auth_shared_key(hapd, sta, auth_transaction, challenge, | |
1624 | fc & WLAN_FC_ISWEP); | |
1625 | sta->auth_alg = WLAN_AUTH_SHARED_KEY; | |
1626 | mlme_authenticate_indication(hapd, sta); | |
1627 | if (sta->challenge && auth_transaction == 1) { | |
1628 | resp_ies[0] = WLAN_EID_CHALLENGE; | |
1629 | resp_ies[1] = WLAN_AUTH_CHALLENGE_LEN; | |
1630 | os_memcpy(resp_ies + 2, sta->challenge, | |
1631 | WLAN_AUTH_CHALLENGE_LEN); | |
1632 | resp_ies_len = 2 + WLAN_AUTH_CHALLENGE_LEN; | |
1633 | } | |
1634 | break; | |
7cb53ded | 1635 | #endif /* CONFIG_NO_RC4 */ |
6fc6879b JM |
1636 | #ifdef CONFIG_IEEE80211R |
1637 | case WLAN_AUTH_FT: | |
1638 | sta->auth_alg = WLAN_AUTH_FT; | |
1639 | if (sta->wpa_sm == NULL) | |
1640 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
94ddef3e | 1641 | sta->addr, NULL); |
6fc6879b JM |
1642 | if (sta->wpa_sm == NULL) { |
1643 | wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA " | |
1644 | "state machine"); | |
1645 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1646 | goto fail; | |
1647 | } | |
1648 | wpa_ft_process_auth(sta->wpa_sm, mgmt->bssid, | |
1649 | auth_transaction, mgmt->u.auth.variable, | |
1650 | len - IEEE80211_HDRLEN - | |
1651 | sizeof(mgmt->u.auth), | |
1652 | handle_auth_ft_finish, hapd); | |
1653 | /* handle_auth_ft_finish() callback will complete auth. */ | |
1654 | return; | |
1655 | #endif /* CONFIG_IEEE80211R */ | |
c10347f2 JM |
1656 | #ifdef CONFIG_SAE |
1657 | case WLAN_AUTH_SAE: | |
c50d94f1 | 1658 | #ifdef CONFIG_MESH |
afa2ffb4 JM |
1659 | if (status_code == WLAN_STATUS_SUCCESS && |
1660 | hapd->conf->mesh & MESH_ENABLED) { | |
c50d94f1 BC |
1661 | if (sta->wpa_sm == NULL) |
1662 | sta->wpa_sm = | |
1663 | wpa_auth_sta_init(hapd->wpa_auth, | |
1664 | sta->addr, NULL); | |
1665 | if (sta->wpa_sm == NULL) { | |
1666 | wpa_printf(MSG_DEBUG, | |
1667 | "SAE: Failed to initialize WPA state machine"); | |
1668 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1669 | goto fail; | |
1670 | } | |
1671 | } | |
1672 | #endif /* CONFIG_MESH */ | |
afa2ffb4 JM |
1673 | handle_auth_sae(hapd, sta, mgmt, len, auth_transaction, |
1674 | status_code); | |
c10347f2 JM |
1675 | return; |
1676 | #endif /* CONFIG_SAE */ | |
c4fd6d8a JM |
1677 | #ifdef CONFIG_FILS |
1678 | case WLAN_AUTH_FILS_SK: | |
1679 | handle_auth_fils(hapd, sta, mgmt, len, auth_transaction, | |
1680 | status_code); | |
1681 | return; | |
1682 | #endif /* CONFIG_FILS */ | |
6fc6879b JM |
1683 | } |
1684 | ||
1685 | fail: | |
2092597f MB |
1686 | os_free(identity); |
1687 | os_free(radius_cui); | |
f2a14be7 | 1688 | hostapd_free_psk_list(psk); |
2092597f | 1689 | |
bb598c3b AB |
1690 | reply_res = send_auth_reply(hapd, mgmt->sa, mgmt->bssid, auth_alg, |
1691 | auth_transaction + 1, resp, resp_ies, | |
1692 | resp_ies_len); | |
1693 | ||
1694 | if (sta && sta->added_unassoc && (resp != WLAN_STATUS_SUCCESS || | |
1695 | reply_res != WLAN_STATUS_SUCCESS)) { | |
1696 | hostapd_drv_sta_remove(hapd, sta->addr); | |
1697 | sta->added_unassoc = 0; | |
1698 | } | |
6fc6879b JM |
1699 | } |
1700 | ||
1701 | ||
681753f2 | 1702 | int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta) |
d42a62b3 | 1703 | { |
2991469c JM |
1704 | int i, j = 32, aid; |
1705 | ||
d42a62b3 JM |
1706 | /* get a unique AID */ |
1707 | if (sta->aid > 0) { | |
1708 | wpa_printf(MSG_DEBUG, " old AID %d", sta->aid); | |
1709 | return 0; | |
1710 | } | |
1711 | ||
d7358113 JM |
1712 | if (TEST_FAIL()) |
1713 | return -1; | |
1714 | ||
2991469c JM |
1715 | for (i = 0; i < AID_WORDS; i++) { |
1716 | if (hapd->sta_aid[i] == (u32) -1) | |
1717 | continue; | |
1718 | for (j = 0; j < 32; j++) { | |
1719 | if (!(hapd->sta_aid[i] & BIT(j))) | |
1720 | break; | |
1721 | } | |
1722 | if (j < 32) | |
d42a62b3 | 1723 | break; |
d42a62b3 | 1724 | } |
2991469c JM |
1725 | if (j == 32) |
1726 | return -1; | |
1727 | aid = i * 32 + j + 1; | |
1728 | if (aid > 2007) | |
1729 | return -1; | |
d42a62b3 | 1730 | |
2991469c JM |
1731 | sta->aid = aid; |
1732 | hapd->sta_aid[i] |= BIT(j); | |
d42a62b3 JM |
1733 | wpa_printf(MSG_DEBUG, " new AID %d", sta->aid); |
1734 | return 0; | |
1735 | } | |
1736 | ||
1737 | ||
5586f500 JM |
1738 | static u16 check_ssid(struct hostapd_data *hapd, struct sta_info *sta, |
1739 | const u8 *ssid_ie, size_t ssid_ie_len) | |
6fc6879b | 1740 | { |
5586f500 JM |
1741 | if (ssid_ie == NULL) |
1742 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
6fc6879b | 1743 | |
5586f500 JM |
1744 | if (ssid_ie_len != hapd->conf->ssid.ssid_len || |
1745 | os_memcmp(ssid_ie, hapd->conf->ssid.ssid, ssid_ie_len) != 0) { | |
5586f500 JM |
1746 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
1747 | HOSTAPD_LEVEL_INFO, | |
1748 | "Station tried to associate with unknown SSID " | |
b37d582e | 1749 | "'%s'", wpa_ssid_txt(ssid_ie, ssid_ie_len)); |
5586f500 | 1750 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
b0194fe0 JM |
1751 | } |
1752 | ||
5586f500 JM |
1753 | return WLAN_STATUS_SUCCESS; |
1754 | } | |
6fc6879b | 1755 | |
6fc6879b | 1756 | |
5586f500 JM |
1757 | static u16 check_wmm(struct hostapd_data *hapd, struct sta_info *sta, |
1758 | const u8 *wmm_ie, size_t wmm_ie_len) | |
1759 | { | |
3ae0800c | 1760 | sta->flags &= ~WLAN_STA_WMM; |
5d061637 | 1761 | sta->qosinfo = 0; |
5586f500 | 1762 | if (wmm_ie && hapd->conf->wmm_enabled) { |
5f32f79c | 1763 | struct wmm_information_element *wmm; |
5f32f79c | 1764 | |
c84b868a | 1765 | if (!hostapd_eid_wmm_valid(hapd, wmm_ie, wmm_ie_len)) { |
6fc6879b JM |
1766 | hostapd_logger(hapd, sta->addr, |
1767 | HOSTAPD_MODULE_WPA, | |
1768 | HOSTAPD_LEVEL_DEBUG, | |
3ae0800c | 1769 | "invalid WMM element in association " |
6fc6879b | 1770 | "request"); |
5f32f79c EP |
1771 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
1772 | } | |
1773 | ||
1774 | sta->flags |= WLAN_STA_WMM; | |
1775 | wmm = (struct wmm_information_element *) wmm_ie; | |
5d061637 | 1776 | sta->qosinfo = wmm->qos_info; |
6fc6879b | 1777 | } |
5586f500 JM |
1778 | return WLAN_STATUS_SUCCESS; |
1779 | } | |
6fc6879b | 1780 | |
5586f500 JM |
1781 | |
1782 | static u16 copy_supp_rates(struct hostapd_data *hapd, struct sta_info *sta, | |
1783 | struct ieee802_11_elems *elems) | |
1784 | { | |
1785 | if (!elems->supp_rates) { | |
1786 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
6fc6879b JM |
1787 | HOSTAPD_LEVEL_DEBUG, |
1788 | "No supported rates element in AssocReq"); | |
5586f500 | 1789 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
6fc6879b JM |
1790 | } |
1791 | ||
3489cfb0 JM |
1792 | if (elems->supp_rates_len + elems->ext_supp_rates_len > |
1793 | sizeof(sta->supported_rates)) { | |
5586f500 | 1794 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
6fc6879b | 1795 | HOSTAPD_LEVEL_DEBUG, |
3489cfb0 JM |
1796 | "Invalid supported rates element length %d+%d", |
1797 | elems->supp_rates_len, | |
1798 | elems->ext_supp_rates_len); | |
5586f500 | 1799 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
6fc6879b JM |
1800 | } |
1801 | ||
3489cfb0 JM |
1802 | sta->supported_rates_len = merge_byte_arrays( |
1803 | sta->supported_rates, sizeof(sta->supported_rates), | |
1804 | elems->supp_rates, elems->supp_rates_len, | |
1805 | elems->ext_supp_rates, elems->ext_supp_rates_len); | |
6fc6879b | 1806 | |
5586f500 JM |
1807 | return WLAN_STATUS_SUCCESS; |
1808 | } | |
1809 | ||
1810 | ||
c551700f KP |
1811 | static u16 check_ext_capab(struct hostapd_data *hapd, struct sta_info *sta, |
1812 | const u8 *ext_capab_ie, size_t ext_capab_ie_len) | |
1813 | { | |
1814 | #ifdef CONFIG_INTERWORKING | |
1815 | /* check for QoS Map support */ | |
1816 | if (ext_capab_ie_len >= 5) { | |
1817 | if (ext_capab_ie[4] & 0x01) | |
1818 | sta->qos_map_enabled = 1; | |
1819 | } | |
1820 | #endif /* CONFIG_INTERWORKING */ | |
1821 | ||
98b05081 AO |
1822 | if (ext_capab_ie_len > 0) |
1823 | sta->ecsa_supported = !!(ext_capab_ie[0] & BIT(2)); | |
1824 | ||
c551700f KP |
1825 | return WLAN_STATUS_SUCCESS; |
1826 | } | |
1827 | ||
1828 | ||
5586f500 | 1829 | static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta, |
b57e086c | 1830 | const u8 *ies, size_t ies_len, int reassoc) |
5586f500 JM |
1831 | { |
1832 | struct ieee802_11_elems elems; | |
1833 | u16 resp; | |
ba091c06 | 1834 | const u8 *wpa_ie; |
5586f500 | 1835 | size_t wpa_ie_len; |
94ddef3e | 1836 | const u8 *p2p_dev_addr = NULL; |
5586f500 JM |
1837 | |
1838 | if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) { | |
1839 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1840 | HOSTAPD_LEVEL_INFO, "Station sent an invalid " | |
1841 | "association request"); | |
1842 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
1843 | } | |
1844 | ||
1845 | resp = check_ssid(hapd, sta, elems.ssid, elems.ssid_len); | |
1846 | if (resp != WLAN_STATUS_SUCCESS) | |
1847 | return resp; | |
1848 | resp = check_wmm(hapd, sta, elems.wmm, elems.wmm_len); | |
c551700f KP |
1849 | if (resp != WLAN_STATUS_SUCCESS) |
1850 | return resp; | |
1851 | resp = check_ext_capab(hapd, sta, elems.ext_capab, elems.ext_capab_len); | |
5586f500 JM |
1852 | if (resp != WLAN_STATUS_SUCCESS) |
1853 | return resp; | |
1854 | resp = copy_supp_rates(hapd, sta, &elems); | |
1855 | if (resp != WLAN_STATUS_SUCCESS) | |
1856 | return resp; | |
d45354be | 1857 | #ifdef CONFIG_IEEE80211N |
baae4cb9 | 1858 | resp = copy_sta_ht_capab(hapd, sta, elems.ht_capabilities); |
5586f500 JM |
1859 | if (resp != WLAN_STATUS_SUCCESS) |
1860 | return resp; | |
29448243 JM |
1861 | if (hapd->iconf->ieee80211n && hapd->iconf->require_ht && |
1862 | !(sta->flags & WLAN_STA_HT)) { | |
1863 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1864 | HOSTAPD_LEVEL_INFO, "Station does not support " | |
1865 | "mandatory HT PHY - reject association"); | |
1866 | return WLAN_STATUS_ASSOC_DENIED_NO_HT; | |
1867 | } | |
d45354be | 1868 | #endif /* CONFIG_IEEE80211N */ |
5586f500 | 1869 | |
de3cdf35 | 1870 | #ifdef CONFIG_IEEE80211AC |
28ffd21c ARN |
1871 | if (hapd->iconf->ieee80211ac) { |
1872 | resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities); | |
1873 | if (resp != WLAN_STATUS_SUCCESS) | |
1874 | return resp; | |
8a458116 | 1875 | |
28ffd21c ARN |
1876 | resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif); |
1877 | if (resp != WLAN_STATUS_SUCCESS) | |
1878 | return resp; | |
1879 | } | |
8a458116 | 1880 | |
140e850a MP |
1881 | if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht && |
1882 | !(sta->flags & WLAN_STA_VHT)) { | |
1883 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1884 | HOSTAPD_LEVEL_INFO, "Station does not support " | |
1885 | "mandatory VHT PHY - reject association"); | |
13b24a76 | 1886 | return WLAN_STATUS_ASSOC_DENIED_NO_VHT; |
140e850a | 1887 | } |
e7d0e97b YL |
1888 | |
1889 | if (hapd->conf->vendor_vht && !elems.vht_capabilities) { | |
1890 | resp = copy_sta_vendor_vht(hapd, sta, elems.vendor_vht, | |
1891 | elems.vendor_vht_len); | |
1892 | if (resp != WLAN_STATUS_SUCCESS) | |
1893 | return resp; | |
1894 | } | |
de3cdf35 MP |
1895 | #endif /* CONFIG_IEEE80211AC */ |
1896 | ||
94ddef3e JM |
1897 | #ifdef CONFIG_P2P |
1898 | if (elems.p2p) { | |
1899 | wpabuf_free(sta->p2p_ie); | |
1900 | sta->p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len, | |
1901 | P2P_IE_VENDOR_TYPE); | |
1902 | if (sta->p2p_ie) | |
1903 | p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie); | |
1904 | } else { | |
1905 | wpabuf_free(sta->p2p_ie); | |
1906 | sta->p2p_ie = NULL; | |
1907 | } | |
1908 | #endif /* CONFIG_P2P */ | |
1909 | ||
6fc6879b JM |
1910 | if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) { |
1911 | wpa_ie = elems.rsn_ie; | |
1912 | wpa_ie_len = elems.rsn_ie_len; | |
1913 | } else if ((hapd->conf->wpa & WPA_PROTO_WPA) && | |
1914 | elems.wpa_ie) { | |
1915 | wpa_ie = elems.wpa_ie; | |
1916 | wpa_ie_len = elems.wpa_ie_len; | |
1917 | } else { | |
1918 | wpa_ie = NULL; | |
1919 | wpa_ie_len = 0; | |
1920 | } | |
5586f500 | 1921 | |
ad08c363 | 1922 | #ifdef CONFIG_WPS |
17f6b900 | 1923 | sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2); |
c47cf42e JM |
1924 | if (hapd->conf->wps_state && elems.wps_ie) { |
1925 | wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)Association " | |
1926 | "Request - assume WPS is used"); | |
1927 | sta->flags |= WLAN_STA_WPS; | |
1928 | wpabuf_free(sta->wps_ie); | |
16e46ec0 JM |
1929 | sta->wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, |
1930 | WPS_IE_VENDOR_TYPE); | |
17f6b900 JM |
1931 | if (sta->wps_ie && wps_is_20(sta->wps_ie)) { |
1932 | wpa_printf(MSG_DEBUG, "WPS: STA supports WPS 2.0"); | |
1933 | sta->flags |= WLAN_STA_WPS2; | |
1934 | } | |
c47cf42e JM |
1935 | wpa_ie = NULL; |
1936 | wpa_ie_len = 0; | |
54f489be JM |
1937 | if (sta->wps_ie && wps_validate_assoc_req(sta->wps_ie) < 0) { |
1938 | wpa_printf(MSG_DEBUG, "WPS: Invalid WPS IE in " | |
1939 | "(Re)Association Request - reject"); | |
1940 | return WLAN_STATUS_INVALID_IE; | |
1941 | } | |
c47cf42e JM |
1942 | } else if (hapd->conf->wps_state && wpa_ie == NULL) { |
1943 | wpa_printf(MSG_DEBUG, "STA did not include WPA/RSN IE in " | |
1944 | "(Re)Association Request - possible WPS use"); | |
1945 | sta->flags |= WLAN_STA_MAYBE_WPS; | |
ad08c363 JM |
1946 | } else |
1947 | #endif /* CONFIG_WPS */ | |
6fc6879b | 1948 | if (hapd->conf->wpa && wpa_ie == NULL) { |
5586f500 JM |
1949 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
1950 | HOSTAPD_LEVEL_INFO, | |
1951 | "No WPA/RSN IE in association request"); | |
1952 | return WLAN_STATUS_INVALID_IE; | |
6fc6879b JM |
1953 | } |
1954 | ||
1955 | if (hapd->conf->wpa && wpa_ie) { | |
1956 | int res; | |
1957 | wpa_ie -= 2; | |
1958 | wpa_ie_len += 2; | |
1959 | if (sta->wpa_sm == NULL) | |
1960 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
94ddef3e JM |
1961 | sta->addr, |
1962 | p2p_dev_addr); | |
6fc6879b | 1963 | if (sta->wpa_sm == NULL) { |
5586f500 JM |
1964 | wpa_printf(MSG_WARNING, "Failed to initialize WPA " |
1965 | "state machine"); | |
1966 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
6fc6879b JM |
1967 | } |
1968 | res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, | |
1969 | wpa_ie, wpa_ie_len, | |
1970 | elems.mdie, elems.mdie_len); | |
ffb62f22 | 1971 | resp = wpa_res_to_status_code(res); |
6fc6879b | 1972 | if (resp != WLAN_STATUS_SUCCESS) |
5586f500 | 1973 | return resp; |
f3f7540e | 1974 | #ifdef CONFIG_IEEE80211W |
45c94154 JM |
1975 | if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && |
1976 | sta->sa_query_count > 0) | |
1977 | ap_check_sa_query_timeout(hapd, sta); | |
8f4617c6 JM |
1978 | if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && |
1979 | (!reassoc || sta->auth_alg != WLAN_AUTH_FT)) { | |
5d22a1d5 | 1980 | /* |
93b76319 JM |
1981 | * STA has already been associated with MFP and SA |
1982 | * Query timeout has not been reached. Reject the | |
1983 | * association attempt temporarily and start SA Query, | |
1984 | * if one is not pending. | |
5d22a1d5 JM |
1985 | */ |
1986 | ||
93b76319 JM |
1987 | if (sta->sa_query_count == 0) |
1988 | ap_sta_start_sa_query(hapd, sta); | |
5d22a1d5 | 1989 | |
5586f500 | 1990 | return WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY; |
5d22a1d5 JM |
1991 | } |
1992 | ||
f3f7540e JM |
1993 | if (wpa_auth_uses_mfp(sta->wpa_sm)) |
1994 | sta->flags |= WLAN_STA_MFP; | |
1995 | else | |
1996 | sta->flags &= ~WLAN_STA_MFP; | |
1997 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1998 | |
1999 | #ifdef CONFIG_IEEE80211R | |
2000 | if (sta->auth_alg == WLAN_AUTH_FT) { | |
2001 | if (!reassoc) { | |
2002 | wpa_printf(MSG_DEBUG, "FT: " MACSTR " tried " | |
2003 | "to use association (not " | |
2004 | "re-association) with FT auth_alg", | |
2005 | MAC2STR(sta->addr)); | |
5586f500 | 2006 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
6fc6879b JM |
2007 | } |
2008 | ||
5586f500 JM |
2009 | resp = wpa_ft_validate_reassoc(sta->wpa_sm, ies, |
2010 | ies_len); | |
6fc6879b | 2011 | if (resp != WLAN_STATUS_SUCCESS) |
5586f500 | 2012 | return resp; |
6fc6879b JM |
2013 | } |
2014 | #endif /* CONFIG_IEEE80211R */ | |
5586f500 | 2015 | |
c10347f2 JM |
2016 | #ifdef CONFIG_SAE |
2017 | if (wpa_auth_uses_sae(sta->wpa_sm) && | |
f2991170 JM |
2018 | sta->auth_alg == WLAN_AUTH_OPEN) { |
2019 | struct rsn_pmksa_cache_entry *sa; | |
2020 | sa = wpa_auth_sta_get_pmksa(sta->wpa_sm); | |
2021 | if (!sa || sa->akmp != WPA_KEY_MGMT_SAE) { | |
2022 | wpa_printf(MSG_DEBUG, | |
2023 | "SAE: No PMKSA cache entry found for " | |
2024 | MACSTR, MAC2STR(sta->addr)); | |
2025 | return WLAN_STATUS_INVALID_PMKID; | |
2026 | } | |
2027 | wpa_printf(MSG_DEBUG, "SAE: " MACSTR | |
2028 | " using PMKSA caching", MAC2STR(sta->addr)); | |
2029 | } else if (wpa_auth_uses_sae(sta->wpa_sm) && | |
2030 | sta->auth_alg != WLAN_AUTH_SAE && | |
2031 | !(sta->auth_alg == WLAN_AUTH_FT && | |
2032 | wpa_auth_uses_ft_sae(sta->wpa_sm))) { | |
c10347f2 JM |
2033 | wpa_printf(MSG_DEBUG, "SAE: " MACSTR " tried to use " |
2034 | "SAE AKM after non-SAE auth_alg %u", | |
2035 | MAC2STR(sta->addr), sta->auth_alg); | |
2036 | return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; | |
2037 | } | |
2038 | #endif /* CONFIG_SAE */ | |
2039 | ||
ff36ff00 | 2040 | #ifdef CONFIG_IEEE80211N |
f0c7a986 | 2041 | if ((sta->flags & (WLAN_STA_HT | WLAN_STA_VHT)) && |
ff36ff00 | 2042 | wpa_auth_get_pairwise(sta->wpa_sm) == WPA_CIPHER_TKIP) { |
5586f500 JM |
2043 | hostapd_logger(hapd, sta->addr, |
2044 | HOSTAPD_MODULE_IEEE80211, | |
2045 | HOSTAPD_LEVEL_INFO, | |
2046 | "Station tried to use TKIP with HT " | |
2047 | "association"); | |
2048 | return WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; | |
ff36ff00 JM |
2049 | } |
2050 | #endif /* CONFIG_IEEE80211N */ | |
a14896e8 JM |
2051 | #ifdef CONFIG_HS20 |
2052 | } else if (hapd->conf->osen) { | |
2053 | if (elems.osen == NULL) { | |
2054 | hostapd_logger( | |
2055 | hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
2056 | HOSTAPD_LEVEL_INFO, | |
2057 | "No HS 2.0 OSEN element in association request"); | |
2058 | return WLAN_STATUS_INVALID_IE; | |
2059 | } | |
2060 | ||
2061 | wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association"); | |
2062 | if (sta->wpa_sm == NULL) | |
2063 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
2064 | sta->addr, NULL); | |
2065 | if (sta->wpa_sm == NULL) { | |
2066 | wpa_printf(MSG_WARNING, "Failed to initialize WPA " | |
2067 | "state machine"); | |
2068 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
2069 | } | |
2070 | if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm, | |
2071 | elems.osen - 2, elems.osen_len + 2) < 0) | |
2072 | return WLAN_STATUS_INVALID_IE; | |
2073 | #endif /* CONFIG_HS20 */ | |
a8d05fca JM |
2074 | } else |
2075 | wpa_auth_sta_no_wpa(sta->wpa_sm); | |
6fc6879b | 2076 | |
b305c684 | 2077 | #ifdef CONFIG_P2P |
3f4ce13f | 2078 | p2p_group_notif_assoc(hapd->p2p_group, sta->addr, ies, ies_len); |
b305c684 JM |
2079 | #endif /* CONFIG_P2P */ |
2080 | ||
f403dcd6 JM |
2081 | #ifdef CONFIG_HS20 |
2082 | wpabuf_free(sta->hs20_ie); | |
2083 | if (elems.hs20 && elems.hs20_len > 4) { | |
2084 | sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4, | |
2085 | elems.hs20_len - 4); | |
2086 | } else | |
2087 | sta->hs20_ie = NULL; | |
2088 | #endif /* CONFIG_HS20 */ | |
2089 | ||
ae667c08 AN |
2090 | #ifdef CONFIG_FST |
2091 | wpabuf_free(sta->mb_ies); | |
2092 | if (hapd->iface->fst) | |
2093 | sta->mb_ies = mb_ies_by_info(&elems.mb_ies); | |
2094 | else | |
2095 | sta->mb_ies = NULL; | |
2096 | #endif /* CONFIG_FST */ | |
2097 | ||
4c572281 | 2098 | #ifdef CONFIG_MBO |
6332aaf3 JM |
2099 | mbo_ap_check_sta_assoc(hapd, sta, &elems); |
2100 | ||
4c572281 JM |
2101 | if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) && |
2102 | elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) && | |
2103 | hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { | |
2104 | wpa_printf(MSG_INFO, | |
2105 | "MBO: Reject WPA2 association without PMF"); | |
2106 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
2107 | } | |
2108 | #endif /* CONFIG_MBO */ | |
2109 | ||
adf0478e JM |
2110 | ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes, |
2111 | elems.supp_op_classes_len); | |
2112 | ||
629e1804 DS |
2113 | if ((sta->capability & WLAN_CAPABILITY_RADIO_MEASUREMENT) && |
2114 | elems.rrm_enabled && | |
2115 | elems.rrm_enabled_len >= sizeof(sta->rrm_enabled_capa)) | |
2116 | os_memcpy(sta->rrm_enabled_capa, elems.rrm_enabled, | |
2117 | sizeof(sta->rrm_enabled_capa)); | |
2118 | ||
5586f500 JM |
2119 | return WLAN_STATUS_SUCCESS; |
2120 | } | |
2121 | ||
2122 | ||
2123 | static void send_deauth(struct hostapd_data *hapd, const u8 *addr, | |
2124 | u16 reason_code) | |
2125 | { | |
2126 | int send_len; | |
2127 | struct ieee80211_mgmt reply; | |
2128 | ||
2129 | os_memset(&reply, 0, sizeof(reply)); | |
2130 | reply.frame_control = | |
2131 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DEAUTH); | |
2132 | os_memcpy(reply.da, addr, ETH_ALEN); | |
2133 | os_memcpy(reply.sa, hapd->own_addr, ETH_ALEN); | |
2134 | os_memcpy(reply.bssid, hapd->own_addr, ETH_ALEN); | |
2135 | ||
2136 | send_len = IEEE80211_HDRLEN + sizeof(reply.u.deauth); | |
2137 | reply.u.deauth.reason_code = host_to_le16(reason_code); | |
2138 | ||
8cfa3527 | 2139 | if (hostapd_drv_send_mlme(hapd, &reply, send_len, 0) < 0) |
5586f500 JM |
2140 | wpa_printf(MSG_INFO, "Failed to send deauth: %s", |
2141 | strerror(errno)); | |
2142 | } | |
2143 | ||
2144 | ||
3f81ac07 AO |
2145 | static int add_associated_sta(struct hostapd_data *hapd, |
2146 | struct sta_info *sta) | |
2147 | { | |
2148 | struct ieee80211_ht_capabilities ht_cap; | |
2149 | struct ieee80211_vht_capabilities vht_cap; | |
2150 | ||
2151 | /* | |
2152 | * Remove the STA entry to ensure the STA PS state gets cleared and | |
2153 | * configuration gets updated. This is relevant for cases, such as | |
2154 | * FT-over-the-DS, where a station re-associates back to the same AP but | |
2155 | * skips the authentication flow, or if working with a driver that | |
2156 | * does not support full AP client state. | |
2157 | */ | |
2158 | if (!sta->added_unassoc) | |
2159 | hostapd_drv_sta_remove(hapd, sta->addr); | |
2160 | ||
2161 | #ifdef CONFIG_IEEE80211N | |
2162 | if (sta->flags & WLAN_STA_HT) | |
2163 | hostapd_get_ht_capab(hapd, sta->ht_capabilities, &ht_cap); | |
2164 | #endif /* CONFIG_IEEE80211N */ | |
2165 | #ifdef CONFIG_IEEE80211AC | |
2166 | if (sta->flags & WLAN_STA_VHT) | |
2167 | hostapd_get_vht_capab(hapd, sta->vht_capabilities, &vht_cap); | |
2168 | #endif /* CONFIG_IEEE80211AC */ | |
2169 | ||
2170 | /* | |
2171 | * Add the station with forced WLAN_STA_ASSOC flag. The sta->flags | |
2172 | * will be set when the ACK frame for the (Re)Association Response frame | |
2173 | * is processed (TX status driver event). | |
2174 | */ | |
2175 | if (hostapd_sta_add(hapd, sta->addr, sta->aid, sta->capability, | |
2176 | sta->supported_rates, sta->supported_rates_len, | |
2177 | sta->listen_interval, | |
2178 | sta->flags & WLAN_STA_HT ? &ht_cap : NULL, | |
2179 | sta->flags & WLAN_STA_VHT ? &vht_cap : NULL, | |
2180 | sta->flags | WLAN_STA_ASSOC, sta->qosinfo, | |
ae33239c AB |
2181 | sta->vht_opmode, sta->p2p_ie ? 1 : 0, |
2182 | sta->added_unassoc)) { | |
3f81ac07 AO |
2183 | hostapd_logger(hapd, sta->addr, |
2184 | HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_NOTICE, | |
2185 | "Could not %s STA to kernel driver", | |
2186 | sta->added_unassoc ? "set" : "add"); | |
2187 | ||
2188 | if (sta->added_unassoc) { | |
2189 | hostapd_drv_sta_remove(hapd, sta->addr); | |
2190 | sta->added_unassoc = 0; | |
2191 | } | |
2192 | ||
2193 | return -1; | |
2194 | } | |
2195 | ||
2196 | sta->added_unassoc = 0; | |
2197 | ||
2198 | return 0; | |
2199 | } | |
2200 | ||
2201 | ||
bb598c3b AB |
2202 | static u16 send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta, |
2203 | u16 status_code, int reassoc, const u8 *ies, | |
2204 | size_t ies_len) | |
5586f500 JM |
2205 | { |
2206 | int send_len; | |
2207 | u8 buf[sizeof(struct ieee80211_mgmt) + 1024]; | |
2208 | struct ieee80211_mgmt *reply; | |
2209 | u8 *p; | |
2210 | ||
2211 | os_memset(buf, 0, sizeof(buf)); | |
2212 | reply = (struct ieee80211_mgmt *) buf; | |
2213 | reply->frame_control = | |
2214 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
2215 | (reassoc ? WLAN_FC_STYPE_REASSOC_RESP : | |
2216 | WLAN_FC_STYPE_ASSOC_RESP)); | |
2217 | os_memcpy(reply->da, sta->addr, ETH_ALEN); | |
2218 | os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN); | |
2219 | os_memcpy(reply->bssid, hapd->own_addr, ETH_ALEN); | |
2220 | ||
2221 | send_len = IEEE80211_HDRLEN; | |
2222 | send_len += sizeof(reply->u.assoc_resp); | |
2223 | reply->u.assoc_resp.capab_info = | |
f41ded6f | 2224 | host_to_le16(hostapd_own_capab_info(hapd)); |
5586f500 | 2225 | reply->u.assoc_resp.status_code = host_to_le16(status_code); |
93a1caec | 2226 | reply->u.assoc_resp.aid = host_to_le16(sta->aid | BIT(14) | BIT(15)); |
5586f500 JM |
2227 | /* Supported rates */ |
2228 | p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable); | |
2229 | /* Extended supported rates */ | |
2230 | p = hostapd_eid_ext_supp_rates(hapd, p); | |
5586f500 JM |
2231 | |
2232 | #ifdef CONFIG_IEEE80211R | |
2233 | if (status_code == WLAN_STATUS_SUCCESS) { | |
2234 | /* IEEE 802.11r: Mobility Domain Information, Fast BSS | |
2235 | * Transition Information, RSN, [RIC Response] */ | |
2236 | p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, p, | |
2237 | buf + sizeof(buf) - p, | |
2238 | sta->auth_alg, ies, ies_len); | |
2239 | } | |
2240 | #endif /* CONFIG_IEEE80211R */ | |
2241 | ||
2242 | #ifdef CONFIG_IEEE80211W | |
2243 | if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY) | |
2244 | p = hostapd_eid_assoc_comeback_time(hapd, sta, p); | |
2245 | #endif /* CONFIG_IEEE80211W */ | |
2246 | ||
1bc774a1 JM |
2247 | #ifdef CONFIG_IEEE80211N |
2248 | p = hostapd_eid_ht_capabilities(hapd, p); | |
2249 | p = hostapd_eid_ht_operation(hapd, p); | |
2250 | #endif /* CONFIG_IEEE80211N */ | |
2251 | ||
14708b50 | 2252 | #ifdef CONFIG_IEEE80211AC |
e7d0e97b | 2253 | if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) { |
fc72a48a T |
2254 | u32 nsts = 0, sta_nsts; |
2255 | ||
2256 | if (hapd->conf->use_sta_nsts && sta->vht_capabilities) { | |
2257 | struct ieee80211_vht_capabilities *capa; | |
2258 | ||
2259 | nsts = (hapd->iface->conf->vht_capab >> | |
2260 | VHT_CAP_BEAMFORMEE_STS_OFFSET) & 7; | |
2261 | capa = sta->vht_capabilities; | |
2262 | sta_nsts = (le_to_host32(capa->vht_capabilities_info) >> | |
2263 | VHT_CAP_BEAMFORMEE_STS_OFFSET) & 7; | |
2264 | ||
2265 | if (nsts < sta_nsts) | |
2266 | nsts = 0; | |
2267 | else | |
2268 | nsts = sta_nsts; | |
2269 | } | |
2270 | p = hostapd_eid_vht_capabilities(hapd, p, nsts); | |
e7d0e97b YL |
2271 | p = hostapd_eid_vht_operation(hapd, p); |
2272 | } | |
14708b50 MP |
2273 | #endif /* CONFIG_IEEE80211AC */ |
2274 | ||
1161ff1e | 2275 | p = hostapd_eid_ext_capab(hapd, p); |
b6668734 | 2276 | p = hostapd_eid_bss_max_idle_period(hapd, p); |
c551700f KP |
2277 | if (sta->qos_map_enabled) |
2278 | p = hostapd_eid_qos_map_set(hapd, p); | |
1161ff1e | 2279 | |
347827ff AN |
2280 | #ifdef CONFIG_FST |
2281 | if (hapd->iface->fst_ies) { | |
2282 | os_memcpy(p, wpabuf_head(hapd->iface->fst_ies), | |
2283 | wpabuf_len(hapd->iface->fst_ies)); | |
2284 | p += wpabuf_len(hapd->iface->fst_ies); | |
2285 | } | |
2286 | #endif /* CONFIG_FST */ | |
2287 | ||
e7d0e97b YL |
2288 | #ifdef CONFIG_IEEE80211AC |
2289 | if (hapd->conf->vendor_vht && (sta->flags & WLAN_STA_VENDOR_VHT)) | |
2290 | p = hostapd_eid_vendor_vht(hapd, p); | |
2291 | #endif /* CONFIG_IEEE80211AC */ | |
2292 | ||
1bc774a1 JM |
2293 | if (sta->flags & WLAN_STA_WMM) |
2294 | p = hostapd_eid_wmm(hapd, p); | |
2295 | ||
ed7a09f9 | 2296 | #ifdef CONFIG_WPS |
71093e5e JM |
2297 | if ((sta->flags & WLAN_STA_WPS) || |
2298 | ((sta->flags & WLAN_STA_MAYBE_WPS) && hapd->conf->wpa)) { | |
ed7a09f9 JM |
2299 | struct wpabuf *wps = wps_build_assoc_resp_ie(); |
2300 | if (wps) { | |
2301 | os_memcpy(p, wpabuf_head(wps), wpabuf_len(wps)); | |
2302 | p += wpabuf_len(wps); | |
2303 | wpabuf_free(wps); | |
2304 | } | |
2305 | } | |
2306 | #endif /* CONFIG_WPS */ | |
2307 | ||
8ccbe415 | 2308 | #ifdef CONFIG_P2P |
4f6cd3f4 | 2309 | if (sta->p2p_ie && hapd->p2p_group) { |
8ccbe415 JM |
2310 | struct wpabuf *p2p_resp_ie; |
2311 | enum p2p_status_code status; | |
2312 | switch (status_code) { | |
2313 | case WLAN_STATUS_SUCCESS: | |
2314 | status = P2P_SC_SUCCESS; | |
2315 | break; | |
2316 | case WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA: | |
2317 | status = P2P_SC_FAIL_LIMIT_REACHED; | |
2318 | break; | |
2319 | default: | |
2320 | status = P2P_SC_FAIL_INVALID_PARAMS; | |
2321 | break; | |
2322 | } | |
2323 | p2p_resp_ie = p2p_group_assoc_resp_ie(hapd->p2p_group, status); | |
2324 | if (p2p_resp_ie) { | |
2325 | os_memcpy(p, wpabuf_head(p2p_resp_ie), | |
2326 | wpabuf_len(p2p_resp_ie)); | |
2327 | p += wpabuf_len(p2p_resp_ie); | |
2328 | wpabuf_free(p2p_resp_ie); | |
2329 | } | |
2330 | } | |
2331 | #endif /* CONFIG_P2P */ | |
2332 | ||
962473c1 JM |
2333 | #ifdef CONFIG_P2P_MANAGER |
2334 | if (hapd->conf->p2p & P2P_MANAGE) | |
2335 | p = hostapd_eid_p2p_manage(hapd, p); | |
2336 | #endif /* CONFIG_P2P_MANAGER */ | |
2337 | ||
fb9a1c3e AS |
2338 | p = hostapd_eid_mbo(hapd, p, buf + sizeof(buf) - p); |
2339 | ||
a9112270 BKB |
2340 | if (hapd->conf->assocresp_elements && |
2341 | (size_t) (buf + sizeof(buf) - p) >= | |
2342 | wpabuf_len(hapd->conf->assocresp_elements)) { | |
2343 | os_memcpy(p, wpabuf_head(hapd->conf->assocresp_elements), | |
2344 | wpabuf_len(hapd->conf->assocresp_elements)); | |
2345 | p += wpabuf_len(hapd->conf->assocresp_elements); | |
2346 | } | |
2347 | ||
5586f500 JM |
2348 | send_len += p - reply->u.assoc_resp.variable; |
2349 | ||
e73ffa09 JM |
2350 | #ifdef CONFIG_FILS |
2351 | if ((sta->auth_alg == WLAN_AUTH_FILS_SK || | |
2352 | sta->auth_alg == WLAN_AUTH_FILS_SK_PFS || | |
2353 | sta->auth_alg == WLAN_AUTH_FILS_PK) && | |
2354 | status_code == WLAN_STATUS_SUCCESS) { | |
2355 | struct ieee802_11_elems elems; | |
2356 | ||
2357 | if (ieee802_11_parse_elems(ies, ies_len, &elems, 0) == | |
2358 | ParseFailed || !elems.fils_session) | |
2359 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
2360 | ||
2361 | /* FILS Session */ | |
2362 | *p++ = WLAN_EID_EXTENSION; /* Element ID */ | |
2363 | *p++ = 1 + FILS_SESSION_LEN; /* Length */ | |
2364 | *p++ = WLAN_EID_EXT_FILS_SESSION; /* Element ID Extension */ | |
2365 | os_memcpy(p, elems.fils_session, FILS_SESSION_LEN); | |
2366 | send_len += 2 + 1 + FILS_SESSION_LEN; | |
2367 | ||
2368 | send_len = fils_encrypt_assoc(sta->wpa_sm, buf, send_len, | |
2369 | sizeof(buf)); | |
2370 | if (send_len < 0) | |
2371 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
2372 | } | |
2373 | #endif /* CONFIG_FILS */ | |
2374 | ||
bb598c3b | 2375 | if (hostapd_drv_send_mlme(hapd, reply, send_len, 0) < 0) { |
5586f500 JM |
2376 | wpa_printf(MSG_INFO, "Failed to send assoc resp: %s", |
2377 | strerror(errno)); | |
bb598c3b AB |
2378 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
2379 | } | |
2380 | ||
2381 | return WLAN_STATUS_SUCCESS; | |
5586f500 JM |
2382 | } |
2383 | ||
2384 | ||
2385 | static void handle_assoc(struct hostapd_data *hapd, | |
b57e086c JM |
2386 | const struct ieee80211_mgmt *mgmt, size_t len, |
2387 | int reassoc) | |
5586f500 | 2388 | { |
38cb0a2d | 2389 | u16 capab_info, listen_interval, seq_ctrl, fc; |
bb598c3b | 2390 | u16 resp = WLAN_STATUS_SUCCESS, reply_res; |
b57e086c | 2391 | const u8 *pos; |
5586f500 JM |
2392 | int left, i; |
2393 | struct sta_info *sta; | |
78815f3d | 2394 | u8 *tmp = NULL; |
5586f500 JM |
2395 | |
2396 | if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) : | |
2397 | sizeof(mgmt->u.assoc_req))) { | |
61323e70 JM |
2398 | wpa_printf(MSG_INFO, "handle_assoc(reassoc=%d) - too short payload (len=%lu)", |
2399 | reassoc, (unsigned long) len); | |
5586f500 JM |
2400 | return; |
2401 | } | |
2402 | ||
c2aff6b1 JB |
2403 | #ifdef CONFIG_TESTING_OPTIONS |
2404 | if (reassoc) { | |
06df2aa6 | 2405 | if (hapd->iconf->ignore_reassoc_probability > 0.0 && |
c2aff6b1 JB |
2406 | drand48() < hapd->iconf->ignore_reassoc_probability) { |
2407 | wpa_printf(MSG_INFO, | |
2408 | "TESTING: ignoring reassoc request from " | |
2409 | MACSTR, MAC2STR(mgmt->sa)); | |
2410 | return; | |
2411 | } | |
2412 | } else { | |
06df2aa6 | 2413 | if (hapd->iconf->ignore_assoc_probability > 0.0 && |
c2aff6b1 JB |
2414 | drand48() < hapd->iconf->ignore_assoc_probability) { |
2415 | wpa_printf(MSG_INFO, | |
2416 | "TESTING: ignoring assoc request from " | |
2417 | MACSTR, MAC2STR(mgmt->sa)); | |
2418 | return; | |
2419 | } | |
2420 | } | |
2421 | #endif /* CONFIG_TESTING_OPTIONS */ | |
2422 | ||
38cb0a2d IP |
2423 | fc = le_to_host16(mgmt->frame_control); |
2424 | seq_ctrl = le_to_host16(mgmt->seq_ctrl); | |
2425 | ||
5586f500 JM |
2426 | if (reassoc) { |
2427 | capab_info = le_to_host16(mgmt->u.reassoc_req.capab_info); | |
2428 | listen_interval = le_to_host16( | |
2429 | mgmt->u.reassoc_req.listen_interval); | |
2430 | wpa_printf(MSG_DEBUG, "reassociation request: STA=" MACSTR | |
2431 | " capab_info=0x%02x listen_interval=%d current_ap=" | |
38cb0a2d | 2432 | MACSTR " seq_ctrl=0x%x%s", |
5586f500 | 2433 | MAC2STR(mgmt->sa), capab_info, listen_interval, |
38cb0a2d IP |
2434 | MAC2STR(mgmt->u.reassoc_req.current_ap), |
2435 | seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : ""); | |
5586f500 JM |
2436 | left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)); |
2437 | pos = mgmt->u.reassoc_req.variable; | |
2438 | } else { | |
2439 | capab_info = le_to_host16(mgmt->u.assoc_req.capab_info); | |
2440 | listen_interval = le_to_host16( | |
2441 | mgmt->u.assoc_req.listen_interval); | |
2442 | wpa_printf(MSG_DEBUG, "association request: STA=" MACSTR | |
38cb0a2d IP |
2443 | " capab_info=0x%02x listen_interval=%d " |
2444 | "seq_ctrl=0x%x%s", | |
2445 | MAC2STR(mgmt->sa), capab_info, listen_interval, | |
2446 | seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : ""); | |
5586f500 JM |
2447 | left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)); |
2448 | pos = mgmt->u.assoc_req.variable; | |
2449 | } | |
2450 | ||
2451 | sta = ap_get_sta(hapd, mgmt->sa); | |
2452 | #ifdef CONFIG_IEEE80211R | |
2453 | if (sta && sta->auth_alg == WLAN_AUTH_FT && | |
2454 | (sta->flags & WLAN_STA_AUTH) == 0) { | |
2455 | wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate " | |
2456 | "prior to authentication since it is using " | |
2457 | "over-the-DS FT", MAC2STR(mgmt->sa)); | |
bb598c3b AB |
2458 | |
2459 | /* | |
2460 | * Mark station as authenticated, to avoid adding station | |
2461 | * entry in the driver as associated and not authenticated | |
2462 | */ | |
2463 | sta->flags |= WLAN_STA_AUTH; | |
5586f500 JM |
2464 | } else |
2465 | #endif /* CONFIG_IEEE80211R */ | |
2466 | if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) { | |
2467 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
2468 | HOSTAPD_LEVEL_INFO, "Station tried to " | |
2469 | "associate before authentication " | |
2470 | "(aid=%d flags=0x%x)", | |
2471 | sta ? sta->aid : -1, | |
2472 | sta ? sta->flags : 0); | |
2473 | send_deauth(hapd, mgmt->sa, | |
2474 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA); | |
2475 | return; | |
2476 | } | |
2477 | ||
38cb0a2d IP |
2478 | if ((fc & WLAN_FC_RETRY) && |
2479 | sta->last_seq_ctrl != WLAN_INVALID_MGMT_SEQ && | |
2480 | sta->last_seq_ctrl == seq_ctrl && | |
2481 | sta->last_subtype == reassoc ? WLAN_FC_STYPE_REASSOC_REQ : | |
2482 | WLAN_FC_STYPE_ASSOC_REQ) { | |
2483 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
2484 | HOSTAPD_LEVEL_DEBUG, | |
2485 | "Drop repeated association frame seq_ctrl=0x%x", | |
2486 | seq_ctrl); | |
2487 | return; | |
2488 | } | |
2489 | sta->last_seq_ctrl = seq_ctrl; | |
2490 | sta->last_subtype = reassoc ? WLAN_FC_STYPE_REASSOC_REQ : | |
2491 | WLAN_FC_STYPE_ASSOC_REQ; | |
2492 | ||
5586f500 JM |
2493 | if (hapd->tkip_countermeasures) { |
2494 | resp = WLAN_REASON_MICHAEL_MIC_FAILURE; | |
2495 | goto fail; | |
2496 | } | |
2497 | ||
2498 | if (listen_interval > hapd->conf->max_listen_interval) { | |
2499 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
2500 | HOSTAPD_LEVEL_DEBUG, | |
2501 | "Too large Listen Interval (%d)", | |
2502 | listen_interval); | |
2503 | resp = WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE; | |
2504 | goto fail; | |
2505 | } | |
2506 | ||
fb9a1c3e AS |
2507 | #ifdef CONFIG_MBO |
2508 | if (hapd->conf->mbo_enabled && hapd->mbo_assoc_disallow) { | |
2509 | resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
2510 | goto fail; | |
2511 | } | |
2512 | #endif /* CONFIG_MBO */ | |
2513 | ||
629e1804 DS |
2514 | /* |
2515 | * sta->capability is used in check_assoc_ies() for RRM enabled | |
2516 | * capability element. | |
2517 | */ | |
2518 | sta->capability = capab_info; | |
2519 | ||
78815f3d JM |
2520 | #ifdef CONFIG_FILS |
2521 | if (sta->auth_alg == WLAN_AUTH_FILS_SK || | |
2522 | sta->auth_alg == WLAN_AUTH_FILS_SK_PFS || | |
2523 | sta->auth_alg == WLAN_AUTH_FILS_PK) { | |
2524 | /* The end of the payload is encrypted. Need to decrypt it | |
2525 | * before parsing. */ | |
2526 | ||
2527 | tmp = os_malloc(left); | |
2528 | if (!tmp) { | |
2529 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
2530 | goto fail; | |
2531 | } | |
2532 | os_memcpy(tmp, pos, left); | |
2533 | ||
2534 | left = fils_decrypt_assoc(sta->wpa_sm, sta->fils_session, mgmt, | |
2535 | len, tmp, left); | |
2536 | if (left < 0) { | |
2537 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
2538 | goto fail; | |
2539 | } | |
2540 | pos = tmp; | |
2541 | } | |
2542 | #endif /* CONFIG_FILS */ | |
2543 | ||
5586f500 JM |
2544 | /* followed by SSID and Supported rates; and HT capabilities if 802.11n |
2545 | * is used */ | |
2546 | resp = check_assoc_ies(hapd, sta, pos, left, reassoc); | |
2547 | if (resp != WLAN_STATUS_SUCCESS) | |
2548 | goto fail; | |
2549 | ||
2550 | if (hostapd_get_aid(hapd, sta) < 0) { | |
2551 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
2552 | HOSTAPD_LEVEL_INFO, "No room for more AIDs"); | |
2553 | resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
2554 | goto fail; | |
2555 | } | |
2556 | ||
5586f500 JM |
2557 | sta->listen_interval = listen_interval; |
2558 | ||
6fc6879b JM |
2559 | if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G) |
2560 | sta->flags |= WLAN_STA_NONERP; | |
2561 | for (i = 0; i < sta->supported_rates_len; i++) { | |
2562 | if ((sta->supported_rates[i] & 0x7f) > 22) { | |
2563 | sta->flags &= ~WLAN_STA_NONERP; | |
2564 | break; | |
2565 | } | |
2566 | } | |
2567 | if (sta->flags & WLAN_STA_NONERP && !sta->nonerp_set) { | |
2568 | sta->nonerp_set = 1; | |
2569 | hapd->iface->num_sta_non_erp++; | |
2570 | if (hapd->iface->num_sta_non_erp == 1) | |
2571 | ieee802_11_set_beacons(hapd->iface); | |
2572 | } | |
2573 | ||
2574 | if (!(sta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) && | |
2575 | !sta->no_short_slot_time_set) { | |
2576 | sta->no_short_slot_time_set = 1; | |
2577 | hapd->iface->num_sta_no_short_slot_time++; | |
2578 | if (hapd->iface->current_mode->mode == | |
2579 | HOSTAPD_MODE_IEEE80211G && | |
2580 | hapd->iface->num_sta_no_short_slot_time == 1) | |
2581 | ieee802_11_set_beacons(hapd->iface); | |
2582 | } | |
2583 | ||
2584 | if (sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) | |
2585 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; | |
2586 | else | |
2587 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; | |
2588 | ||
2589 | if (!(sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) && | |
2590 | !sta->no_short_preamble_set) { | |
2591 | sta->no_short_preamble_set = 1; | |
2592 | hapd->iface->num_sta_no_short_preamble++; | |
2593 | if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G | |
2594 | && hapd->iface->num_sta_no_short_preamble == 1) | |
2595 | ieee802_11_set_beacons(hapd->iface); | |
2596 | } | |
2597 | ||
d45354be | 2598 | #ifdef CONFIG_IEEE80211N |
5586f500 | 2599 | update_ht_state(hapd, sta); |
d45354be | 2600 | #endif /* CONFIG_IEEE80211N */ |
de9289c8 | 2601 | |
6fc6879b JM |
2602 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
2603 | HOSTAPD_LEVEL_DEBUG, | |
2604 | "association OK (aid %d)", sta->aid); | |
2605 | /* Station will be marked associated, after it acknowledges AssocResp | |
2606 | */ | |
b8281964 | 2607 | sta->flags |= WLAN_STA_ASSOC_REQ_OK; |
6fc6879b | 2608 | |
6f5c8dbd JM |
2609 | #ifdef CONFIG_IEEE80211W |
2610 | if ((sta->flags & WLAN_STA_MFP) && sta->sa_query_timed_out) { | |
2611 | wpa_printf(MSG_DEBUG, "Allowing %sassociation after timed out " | |
2612 | "SA Query procedure", reassoc ? "re" : ""); | |
2613 | /* TODO: Send a protected Disassociate frame to the STA using | |
2614 | * the old key and Reason Code "Previous Authentication no | |
2615 | * longer valid". Make sure this is only sent protected since | |
2616 | * unprotected frame would be received by the STA that is now | |
2617 | * trying to associate. | |
2618 | */ | |
2619 | } | |
2620 | #endif /* CONFIG_IEEE80211W */ | |
2621 | ||
6fc6879b JM |
2622 | /* Make sure that the previously registered inactivity timer will not |
2623 | * remove the STA immediately. */ | |
2624 | sta->timeout_next = STA_NULLFUNC; | |
2625 | ||
04059ab8 DG |
2626 | #ifdef CONFIG_TAXONOMY |
2627 | taxonomy_sta_info_assoc_req(hapd, sta, pos, left); | |
2628 | #endif /* CONFIG_TAXONOMY */ | |
2629 | ||
6fc6879b | 2630 | fail: |
3f81ac07 AO |
2631 | /* |
2632 | * In case of a successful response, add the station to the driver. | |
2633 | * Otherwise, the kernel may ignore Data frames before we process the | |
2634 | * ACK frame (TX status). In case of a failure, this station will be | |
2635 | * removed. | |
2636 | * | |
2637 | * Note that this is not compliant with the IEEE 802.11 standard that | |
2638 | * states that a non-AP station should transition into the | |
2639 | * authenticated/associated state only after the station acknowledges | |
2640 | * the (Re)Association Response frame. However, still do this as: | |
2641 | * | |
2642 | * 1. In case the station does not acknowledge the (Re)Association | |
2643 | * Response frame, it will be removed. | |
2644 | * 2. Data frames will be dropped in the kernel until the station is | |
2645 | * set into authorized state, and there are no significant known | |
2646 | * issues with processing other non-Data Class 3 frames during this | |
2647 | * window. | |
2648 | */ | |
2649 | if (resp == WLAN_STATUS_SUCCESS && add_associated_sta(hapd, sta)) | |
2650 | resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
2651 | ||
bb598c3b | 2652 | reply_res = send_assoc_resp(hapd, sta, resp, reassoc, pos, left); |
78815f3d | 2653 | os_free(tmp); |
3f81ac07 AO |
2654 | |
2655 | /* | |
2656 | * Remove the station in case tranmission of a success response fails | |
2657 | * (the STA was added associated to the driver) or if the station was | |
2658 | * previously added unassociated. | |
2659 | */ | |
2660 | if ((reply_res != WLAN_STATUS_SUCCESS && | |
2661 | resp == WLAN_STATUS_SUCCESS) || sta->added_unassoc) { | |
bb598c3b AB |
2662 | hostapd_drv_sta_remove(hapd, sta->addr); |
2663 | sta->added_unassoc = 0; | |
2664 | } | |
6fc6879b JM |
2665 | } |
2666 | ||
2667 | ||
6fc6879b | 2668 | static void handle_disassoc(struct hostapd_data *hapd, |
f8b1f695 | 2669 | const struct ieee80211_mgmt *mgmt, size_t len) |
6fc6879b JM |
2670 | { |
2671 | struct sta_info *sta; | |
2672 | ||
2673 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.disassoc)) { | |
61323e70 JM |
2674 | wpa_printf(MSG_INFO, "handle_disassoc - too short payload (len=%lu)", |
2675 | (unsigned long) len); | |
6fc6879b JM |
2676 | return; |
2677 | } | |
2678 | ||
2679 | wpa_printf(MSG_DEBUG, "disassocation: STA=" MACSTR " reason_code=%d", | |
2680 | MAC2STR(mgmt->sa), | |
2681 | le_to_host16(mgmt->u.disassoc.reason_code)); | |
2682 | ||
6fc6879b JM |
2683 | sta = ap_get_sta(hapd, mgmt->sa); |
2684 | if (sta == NULL) { | |
61323e70 JM |
2685 | wpa_printf(MSG_INFO, "Station " MACSTR " trying to disassociate, but it is not associated", |
2686 | MAC2STR(mgmt->sa)); | |
6fc6879b JM |
2687 | return; |
2688 | } | |
2689 | ||
ae055af4 | 2690 | ap_sta_set_authorized(hapd, sta, 0); |
38cb0a2d | 2691 | sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ; |
b8281964 | 2692 | sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK); |
6fc6879b JM |
2693 | wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); |
2694 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
2695 | HOSTAPD_LEVEL_INFO, "disassociated"); | |
2696 | sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; | |
2697 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); | |
2698 | /* Stop Accounting and IEEE 802.1X sessions, but leave the STA | |
2699 | * authenticated. */ | |
2700 | accounting_sta_stop(hapd, sta); | |
d7c3347f | 2701 | ieee802_1x_free_station(hapd, sta); |
7d597d46 | 2702 | if (sta->ipaddr) |
ed4ddb6d | 2703 | hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr); |
bd00c431 | 2704 | ap_sta_ip6addr_del(hapd, sta); |
51e2a27a | 2705 | hostapd_drv_sta_remove(hapd, sta->addr); |
bb598c3b | 2706 | sta->added_unassoc = 0; |
6fc6879b JM |
2707 | |
2708 | if (sta->timeout_next == STA_NULLFUNC || | |
2709 | sta->timeout_next == STA_DISASSOC) { | |
2710 | sta->timeout_next = STA_DEAUTH; | |
2711 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); | |
2712 | eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer, | |
2713 | hapd, sta); | |
2714 | } | |
2715 | ||
2716 | mlme_disassociate_indication( | |
2717 | hapd, sta, le_to_host16(mgmt->u.disassoc.reason_code)); | |
2718 | } | |
2719 | ||
2720 | ||
2721 | static void handle_deauth(struct hostapd_data *hapd, | |
f8b1f695 | 2722 | const struct ieee80211_mgmt *mgmt, size_t len) |
6fc6879b JM |
2723 | { |
2724 | struct sta_info *sta; | |
2725 | ||
2726 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.deauth)) { | |
3ec1e902 JM |
2727 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "handle_deauth - too short " |
2728 | "payload (len=%lu)", (unsigned long) len); | |
6fc6879b JM |
2729 | return; |
2730 | } | |
2731 | ||
3ec1e902 | 2732 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "deauthentication: STA=" MACSTR |
24d75245 BG |
2733 | " reason_code=%d", |
2734 | MAC2STR(mgmt->sa), le_to_host16(mgmt->u.deauth.reason_code)); | |
6fc6879b | 2735 | |
6fc6879b JM |
2736 | sta = ap_get_sta(hapd, mgmt->sa); |
2737 | if (sta == NULL) { | |
3ec1e902 JM |
2738 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR " trying " |
2739 | "to deauthenticate, but it is not authenticated", | |
24d75245 | 2740 | MAC2STR(mgmt->sa)); |
6fc6879b JM |
2741 | return; |
2742 | } | |
2743 | ||
ae055af4 | 2744 | ap_sta_set_authorized(hapd, sta, 0); |
38cb0a2d | 2745 | sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ; |
b8281964 JM |
2746 | sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC | |
2747 | WLAN_STA_ASSOC_REQ_OK); | |
6fc6879b JM |
2748 | wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH); |
2749 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
2750 | HOSTAPD_LEVEL_DEBUG, "deauthenticated"); | |
2751 | mlme_deauthenticate_indication( | |
2752 | hapd, sta, le_to_host16(mgmt->u.deauth.reason_code)); | |
2753 | sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; | |
2754 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); | |
2755 | ap_free_sta(hapd, sta); | |
2756 | } | |
2757 | ||
2758 | ||
2759 | static void handle_beacon(struct hostapd_data *hapd, | |
b57e086c | 2760 | const struct ieee80211_mgmt *mgmt, size_t len, |
6fc6879b JM |
2761 | struct hostapd_frame_info *fi) |
2762 | { | |
2763 | struct ieee802_11_elems elems; | |
2764 | ||
2765 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.beacon)) { | |
61323e70 JM |
2766 | wpa_printf(MSG_INFO, "handle_beacon - too short payload (len=%lu)", |
2767 | (unsigned long) len); | |
6fc6879b JM |
2768 | return; |
2769 | } | |
2770 | ||
3d536eb4 | 2771 | (void) ieee802_11_parse_elems(mgmt->u.beacon.variable, |
6fc6879b JM |
2772 | len - (IEEE80211_HDRLEN + |
2773 | sizeof(mgmt->u.beacon)), &elems, | |
2774 | 0); | |
2775 | ||
6fc6879b JM |
2776 | ap_list_process_beacon(hapd->iface, mgmt, &elems, fi); |
2777 | } | |
2778 | ||
2779 | ||
5d22a1d5 | 2780 | #ifdef CONFIG_IEEE80211W |
88b4b424 | 2781 | |
912b34f0 JM |
2782 | static int hostapd_sa_query_action(struct hostapd_data *hapd, |
2783 | const struct ieee80211_mgmt *mgmt, | |
2784 | size_t len) | |
5d22a1d5 | 2785 | { |
b57e086c | 2786 | const u8 *end; |
5d22a1d5 | 2787 | |
93b76319 JM |
2788 | end = mgmt->u.action.u.sa_query_resp.trans_id + |
2789 | WLAN_SA_QUERY_TR_ID_LEN; | |
5d22a1d5 | 2790 | if (((u8 *) mgmt) + len < end) { |
93b76319 | 2791 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short SA Query Action " |
5d22a1d5 | 2792 | "frame (len=%lu)", (unsigned long) len); |
912b34f0 | 2793 | return 0; |
5d22a1d5 JM |
2794 | } |
2795 | ||
d4370eac MP |
2796 | ieee802_11_sa_query_action(hapd, mgmt->sa, |
2797 | mgmt->u.action.u.sa_query_resp.action, | |
2798 | mgmt->u.action.u.sa_query_resp.trans_id); | |
912b34f0 | 2799 | return 1; |
5d22a1d5 | 2800 | } |
5d22a1d5 JM |
2801 | |
2802 | ||
c4e281fd JM |
2803 | static int robust_action_frame(u8 category) |
2804 | { | |
2805 | return category != WLAN_ACTION_PUBLIC && | |
2806 | category != WLAN_ACTION_HT; | |
2807 | } | |
9f64b827 | 2808 | #endif /* CONFIG_IEEE80211W */ |
c4e281fd JM |
2809 | |
2810 | ||
912b34f0 JM |
2811 | static int handle_action(struct hostapd_data *hapd, |
2812 | const struct ieee80211_mgmt *mgmt, size_t len) | |
6fc6879b | 2813 | { |
c4e281fd | 2814 | struct sta_info *sta; |
46eeedac | 2815 | sta = ap_get_sta(hapd, mgmt->sa); |
c4e281fd | 2816 | |
6fc6879b JM |
2817 | if (len < IEEE80211_HDRLEN + 1) { |
2818 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
2819 | HOSTAPD_LEVEL_DEBUG, | |
2820 | "handle_action - too short payload (len=%lu)", | |
2821 | (unsigned long) len); | |
912b34f0 | 2822 | return 0; |
6fc6879b JM |
2823 | } |
2824 | ||
c79938a5 JM |
2825 | if (mgmt->u.action.category != WLAN_ACTION_PUBLIC && |
2826 | (sta == NULL || !(sta->flags & WLAN_STA_ASSOC))) { | |
2827 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignored Action " | |
2828 | "frame (category=%u) from unassociated STA " MACSTR, | |
2829 | MAC2STR(mgmt->sa), mgmt->u.action.category); | |
912b34f0 | 2830 | return 0; |
c79938a5 JM |
2831 | } |
2832 | ||
c4e281fd JM |
2833 | #ifdef CONFIG_IEEE80211W |
2834 | if (sta && (sta->flags & WLAN_STA_MFP) && | |
7b2c42f8 JM |
2835 | !(mgmt->frame_control & host_to_le16(WLAN_FC_ISWEP)) && |
2836 | robust_action_frame(mgmt->u.action.category)) { | |
c4e281fd JM |
2837 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, |
2838 | HOSTAPD_LEVEL_DEBUG, | |
2839 | "Dropped unprotected Robust Action frame from " | |
2840 | "an MFP STA"); | |
912b34f0 | 2841 | return 0; |
c4e281fd JM |
2842 | } |
2843 | #endif /* CONFIG_IEEE80211W */ | |
2844 | ||
38cb0a2d IP |
2845 | if (sta) { |
2846 | u16 fc = le_to_host16(mgmt->frame_control); | |
2847 | u16 seq_ctrl = le_to_host16(mgmt->seq_ctrl); | |
2848 | ||
2849 | if ((fc & WLAN_FC_RETRY) && | |
2850 | sta->last_seq_ctrl != WLAN_INVALID_MGMT_SEQ && | |
2851 | sta->last_seq_ctrl == seq_ctrl && | |
2852 | sta->last_subtype == WLAN_FC_STYPE_ACTION) { | |
2853 | hostapd_logger(hapd, sta->addr, | |
2854 | HOSTAPD_MODULE_IEEE80211, | |
2855 | HOSTAPD_LEVEL_DEBUG, | |
2856 | "Drop repeated action frame seq_ctrl=0x%x", | |
2857 | seq_ctrl); | |
2858 | return 1; | |
2859 | } | |
2860 | ||
2861 | sta->last_seq_ctrl = seq_ctrl; | |
2862 | sta->last_subtype = WLAN_FC_STYPE_ACTION; | |
2863 | } | |
2864 | ||
6fc6879b JM |
2865 | switch (mgmt->u.action.category) { |
2866 | #ifdef CONFIG_IEEE80211R | |
2867 | case WLAN_ACTION_FT: | |
d6c6b1fb JM |
2868 | if (!sta || |
2869 | wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, | |
6fc6879b JM |
2870 | len - IEEE80211_HDRLEN)) |
2871 | break; | |
912b34f0 | 2872 | return 1; |
6fc6879b | 2873 | #endif /* CONFIG_IEEE80211R */ |
c2a71408 | 2874 | case WLAN_ACTION_WMM: |
3ae0800c | 2875 | hostapd_wmm_action(hapd, mgmt, len); |
912b34f0 | 2876 | return 1; |
5d22a1d5 | 2877 | #ifdef CONFIG_IEEE80211W |
93b76319 | 2878 | case WLAN_ACTION_SA_QUERY: |
912b34f0 | 2879 | return hostapd_sa_query_action(hapd, mgmt, len); |
5d22a1d5 | 2880 | #endif /* CONFIG_IEEE80211W */ |
c79938a5 JM |
2881 | #ifdef CONFIG_WNM |
2882 | case WLAN_ACTION_WNM: | |
dbfb8e82 JM |
2883 | ieee802_11_rx_wnm_action_ap(hapd, mgmt, len); |
2884 | return 1; | |
c79938a5 | 2885 | #endif /* CONFIG_WNM */ |
037378ff AN |
2886 | #ifdef CONFIG_FST |
2887 | case WLAN_ACTION_FST: | |
2888 | if (hapd->iface->fst) | |
2889 | fst_rx_action(hapd->iface->fst, mgmt, len); | |
94edea89 JM |
2890 | else |
2891 | wpa_printf(MSG_DEBUG, | |
2892 | "FST: Ignore FST Action frame - no FST attached"); | |
037378ff AN |
2893 | return 1; |
2894 | #endif /* CONFIG_FST */ | |
c706d5aa | 2895 | case WLAN_ACTION_PUBLIC: |
5ce00d09 | 2896 | case WLAN_ACTION_PROTECTED_DUAL: |
587d60d2 | 2897 | #ifdef CONFIG_IEEE80211N |
fd66aa63 JM |
2898 | if (len >= IEEE80211_HDRLEN + 2 && |
2899 | mgmt->u.action.u.public_action.action == | |
587d60d2 PX |
2900 | WLAN_PA_20_40_BSS_COEX) { |
2901 | wpa_printf(MSG_DEBUG, | |
2902 | "HT20/40 coex mgmt frame received from STA " | |
2903 | MACSTR, MAC2STR(mgmt->sa)); | |
2904 | hostapd_2040_coex_action(hapd, mgmt, len); | |
2905 | } | |
2906 | #endif /* CONFIG_IEEE80211N */ | |
c706d5aa JM |
2907 | if (hapd->public_action_cb) { |
2908 | hapd->public_action_cb(hapd->public_action_cb_ctx, | |
2909 | (u8 *) mgmt, len, | |
2910 | hapd->iface->freq); | |
c706d5aa | 2911 | } |
2d9ffe1e | 2912 | if (hapd->public_action_cb2) { |
8dabf4bb | 2913 | hapd->public_action_cb2(hapd->public_action_cb2_ctx, |
2d9ffe1e JM |
2914 | (u8 *) mgmt, len, |
2915 | hapd->iface->freq); | |
2916 | } | |
2917 | if (hapd->public_action_cb || hapd->public_action_cb2) | |
912b34f0 | 2918 | return 1; |
c706d5aa | 2919 | break; |
e44f8bf2 JM |
2920 | case WLAN_ACTION_VENDOR_SPECIFIC: |
2921 | if (hapd->vendor_action_cb) { | |
2922 | if (hapd->vendor_action_cb(hapd->vendor_action_cb_ctx, | |
2923 | (u8 *) mgmt, len, | |
2924 | hapd->iface->freq) == 0) | |
912b34f0 | 2925 | return 1; |
e44f8bf2 JM |
2926 | } |
2927 | break; | |
2572df34 DS |
2928 | case WLAN_ACTION_RADIO_MEASUREMENT: |
2929 | hostapd_handle_radio_measurement(hapd, (const u8 *) mgmt, len); | |
2930 | return 1; | |
6fc6879b JM |
2931 | } |
2932 | ||
2933 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
2934 | HOSTAPD_LEVEL_DEBUG, | |
2935 | "handle_action - unknown action category %d or invalid " | |
2936 | "frame", | |
2937 | mgmt->u.action.category); | |
81372e34 JB |
2938 | if (!is_multicast_ether_addr(mgmt->da) && |
2939 | !(mgmt->u.action.category & 0x80) && | |
2940 | !is_multicast_ether_addr(mgmt->sa)) { | |
b57e086c JM |
2941 | struct ieee80211_mgmt *resp; |
2942 | ||
6fc6879b JM |
2943 | /* |
2944 | * IEEE 802.11-REVma/D9.0 - 7.3.1.11 | |
2945 | * Return the Action frame to the source without change | |
2946 | * except that MSB of the Category set to 1. | |
2947 | */ | |
2948 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Return unknown Action " | |
2949 | "frame back to sender"); | |
b57e086c JM |
2950 | resp = os_malloc(len); |
2951 | if (resp == NULL) | |
912b34f0 | 2952 | return 0; |
b57e086c JM |
2953 | os_memcpy(resp, mgmt, len); |
2954 | os_memcpy(resp->da, resp->sa, ETH_ALEN); | |
2955 | os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN); | |
2956 | os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN); | |
2957 | resp->u.action.category |= 0x80; | |
2958 | ||
41fe8b42 JM |
2959 | if (hostapd_drv_send_mlme(hapd, resp, len, 0) < 0) { |
2960 | wpa_printf(MSG_ERROR, "IEEE 802.11: Failed to send " | |
2961 | "Action frame"); | |
2962 | } | |
b57e086c | 2963 | os_free(resp); |
6fc6879b | 2964 | } |
912b34f0 JM |
2965 | |
2966 | return 1; | |
6fc6879b JM |
2967 | } |
2968 | ||
2969 | ||
2970 | /** | |
2971 | * ieee802_11_mgmt - process incoming IEEE 802.11 management frames | |
2972 | * @hapd: hostapd BSS data structure (the BSS to which the management frame was | |
2973 | * sent to) | |
2974 | * @buf: management frame data (starting from IEEE 802.11 header) | |
2975 | * @len: length of frame data in octets | |
a17df5fb | 2976 | * @fi: meta data about received frame (signal level, etc.) |
6fc6879b JM |
2977 | * |
2978 | * Process all incoming IEEE 802.11 management frames. This will be called for | |
2979 | * each frame received from the kernel driver through wlan#ap interface. In | |
2980 | * addition, it can be called to re-inserted pending frames (e.g., when using | |
2981 | * external RADIUS server as an MAC ACL). | |
2982 | */ | |
912b34f0 JM |
2983 | int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len, |
2984 | struct hostapd_frame_info *fi) | |
6fc6879b | 2985 | { |
f8b1f695 | 2986 | struct ieee80211_mgmt *mgmt; |
f8b1f695 | 2987 | u16 fc, stype; |
912b34f0 | 2988 | int ret = 0; |
f8b1f695 | 2989 | |
cbcf92b4 | 2990 | if (len < 24) |
912b34f0 | 2991 | return 0; |
cbcf92b4 | 2992 | |
f8b1f695 JM |
2993 | mgmt = (struct ieee80211_mgmt *) buf; |
2994 | fc = le_to_host16(mgmt->frame_control); | |
2995 | stype = WLAN_FC_GET_STYPE(fc); | |
6fc6879b JM |
2996 | |
2997 | if (stype == WLAN_FC_STYPE_BEACON) { | |
2998 | handle_beacon(hapd, mgmt, len, fi); | |
912b34f0 | 2999 | return 1; |
6fc6879b JM |
3000 | } |
3001 | ||
842c5af5 | 3002 | if (!is_broadcast_ether_addr(mgmt->bssid) && |
3eeee931 AN |
3003 | #ifdef CONFIG_P2P |
3004 | /* Invitation responses can be sent with the peer MAC as BSSID */ | |
3005 | !((hapd->conf->p2p & P2P_GROUP_OWNER) && | |
3006 | stype == WLAN_FC_STYPE_ACTION) && | |
3007 | #endif /* CONFIG_P2P */ | |
f3e9899e BC |
3008 | #ifdef CONFIG_MESH |
3009 | !(hapd->conf->mesh & MESH_ENABLED) && | |
3010 | #endif /* CONFIG_MESH */ | |
fe2c5241 | 3011 | os_memcmp(mgmt->bssid, hapd->own_addr, ETH_ALEN) != 0) { |
61323e70 JM |
3012 | wpa_printf(MSG_INFO, "MGMT: BSSID=" MACSTR " not our address", |
3013 | MAC2STR(mgmt->bssid)); | |
912b34f0 | 3014 | return 0; |
6fc6879b JM |
3015 | } |
3016 | ||
3017 | ||
3018 | if (stype == WLAN_FC_STYPE_PROBE_REQ) { | |
baf513d6 | 3019 | handle_probe_req(hapd, mgmt, len, fi->ssi_signal); |
912b34f0 | 3020 | return 1; |
6fc6879b JM |
3021 | } |
3022 | ||
3023 | if (os_memcmp(mgmt->da, hapd->own_addr, ETH_ALEN) != 0) { | |
3024 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
3025 | HOSTAPD_LEVEL_DEBUG, | |
3026 | "MGMT: DA=" MACSTR " not our address", | |
3027 | MAC2STR(mgmt->da)); | |
912b34f0 | 3028 | return 0; |
6fc6879b JM |
3029 | } |
3030 | ||
b308a304 JM |
3031 | if (hapd->iconf->track_sta_max_num) |
3032 | sta_track_add(hapd->iface, mgmt->sa); | |
3033 | ||
6fc6879b JM |
3034 | switch (stype) { |
3035 | case WLAN_FC_STYPE_AUTH: | |
3036 | wpa_printf(MSG_DEBUG, "mgmt::auth"); | |
3037 | handle_auth(hapd, mgmt, len); | |
912b34f0 | 3038 | ret = 1; |
6fc6879b JM |
3039 | break; |
3040 | case WLAN_FC_STYPE_ASSOC_REQ: | |
3041 | wpa_printf(MSG_DEBUG, "mgmt::assoc_req"); | |
3042 | handle_assoc(hapd, mgmt, len, 0); | |
912b34f0 | 3043 | ret = 1; |
6fc6879b | 3044 | break; |
6fc6879b JM |
3045 | case WLAN_FC_STYPE_REASSOC_REQ: |
3046 | wpa_printf(MSG_DEBUG, "mgmt::reassoc_req"); | |
3047 | handle_assoc(hapd, mgmt, len, 1); | |
912b34f0 | 3048 | ret = 1; |
6fc6879b JM |
3049 | break; |
3050 | case WLAN_FC_STYPE_DISASSOC: | |
3051 | wpa_printf(MSG_DEBUG, "mgmt::disassoc"); | |
3052 | handle_disassoc(hapd, mgmt, len); | |
912b34f0 | 3053 | ret = 1; |
6fc6879b JM |
3054 | break; |
3055 | case WLAN_FC_STYPE_DEAUTH: | |
3ec1e902 | 3056 | wpa_msg(hapd->msg_ctx, MSG_DEBUG, "mgmt::deauth"); |
6fc6879b | 3057 | handle_deauth(hapd, mgmt, len); |
912b34f0 | 3058 | ret = 1; |
6fc6879b JM |
3059 | break; |
3060 | case WLAN_FC_STYPE_ACTION: | |
3061 | wpa_printf(MSG_DEBUG, "mgmt::action"); | |
912b34f0 | 3062 | ret = handle_action(hapd, mgmt, len); |
6fc6879b JM |
3063 | break; |
3064 | default: | |
3065 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
3066 | HOSTAPD_LEVEL_DEBUG, | |
3067 | "unknown mgmt frame subtype %d", stype); | |
3068 | break; | |
3069 | } | |
912b34f0 JM |
3070 | |
3071 | return ret; | |
6fc6879b JM |
3072 | } |
3073 | ||
3074 | ||
3075 | static void handle_auth_cb(struct hostapd_data *hapd, | |
f8b1f695 | 3076 | const struct ieee80211_mgmt *mgmt, |
6fc6879b JM |
3077 | size_t len, int ok) |
3078 | { | |
3079 | u16 auth_alg, auth_transaction, status_code; | |
3080 | struct sta_info *sta; | |
3081 | ||
bb598c3b AB |
3082 | sta = ap_get_sta(hapd, mgmt->da); |
3083 | if (!sta) { | |
3084 | wpa_printf(MSG_INFO, "handle_auth_cb: STA " MACSTR " not found", | |
3085 | MAC2STR(mgmt->da)); | |
3086 | return; | |
3087 | } | |
3088 | ||
3089 | auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
3090 | auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction); | |
3091 | status_code = le_to_host16(mgmt->u.auth.status_code); | |
3092 | ||
6fc6879b JM |
3093 | if (!ok) { |
3094 | hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211, | |
3095 | HOSTAPD_LEVEL_NOTICE, | |
3096 | "did not acknowledge authentication response"); | |
bb598c3b | 3097 | goto fail; |
6fc6879b JM |
3098 | } |
3099 | ||
3100 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) { | |
61323e70 JM |
3101 | wpa_printf(MSG_INFO, "handle_auth_cb - too short payload (len=%lu)", |
3102 | (unsigned long) len); | |
bb598c3b | 3103 | goto fail; |
6fc6879b JM |
3104 | } |
3105 | ||
3106 | if (status_code == WLAN_STATUS_SUCCESS && | |
3107 | ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 2) || | |
3108 | (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 4))) { | |
3109 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
3110 | HOSTAPD_LEVEL_INFO, "authenticated"); | |
3111 | sta->flags |= WLAN_STA_AUTH; | |
bb598c3b AB |
3112 | if (sta->added_unassoc) |
3113 | hostapd_set_sta_flags(hapd, sta); | |
3114 | return; | |
3115 | } | |
3116 | ||
3117 | fail: | |
3118 | if (status_code != WLAN_STATUS_SUCCESS && sta->added_unassoc) { | |
3119 | hostapd_drv_sta_remove(hapd, sta->addr); | |
3120 | sta->added_unassoc = 0; | |
6fc6879b JM |
3121 | } |
3122 | } | |
3123 | ||
3124 | ||
69dd2967 SM |
3125 | static void hostapd_set_wds_encryption(struct hostapd_data *hapd, |
3126 | struct sta_info *sta, | |
3127 | char *ifname_wds) | |
3128 | { | |
3129 | int i; | |
f41ded6f | 3130 | struct hostapd_ssid *ssid = &hapd->conf->ssid; |
69dd2967 SM |
3131 | |
3132 | if (hapd->conf->ieee802_1x || hapd->conf->wpa) | |
3133 | return; | |
3134 | ||
3135 | for (i = 0; i < 4; i++) { | |
3136 | if (ssid->wep.key[i] && | |
3137 | hostapd_drv_set_key(ifname_wds, hapd, WPA_ALG_WEP, NULL, i, | |
3138 | i == ssid->wep.idx, NULL, 0, | |
3139 | ssid->wep.key[i], ssid->wep.len[i])) { | |
3140 | wpa_printf(MSG_WARNING, | |
3141 | "Could not set WEP keys for WDS interface; %s", | |
3142 | ifname_wds); | |
3143 | break; | |
3144 | } | |
3145 | } | |
3146 | } | |
3147 | ||
3148 | ||
6fc6879b | 3149 | static void handle_assoc_cb(struct hostapd_data *hapd, |
f8b1f695 | 3150 | const struct ieee80211_mgmt *mgmt, |
6fc6879b JM |
3151 | size_t len, int reassoc, int ok) |
3152 | { | |
3153 | u16 status; | |
3154 | struct sta_info *sta; | |
3155 | int new_assoc = 1; | |
3156 | ||
6fc6879b JM |
3157 | sta = ap_get_sta(hapd, mgmt->da); |
3158 | if (!sta) { | |
61323e70 JM |
3159 | wpa_printf(MSG_INFO, "handle_assoc_cb: STA " MACSTR " not found", |
3160 | MAC2STR(mgmt->da)); | |
6fc6879b JM |
3161 | return; |
3162 | } | |
3163 | ||
bb598c3b AB |
3164 | if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_resp) : |
3165 | sizeof(mgmt->u.assoc_resp))) { | |
3166 | wpa_printf(MSG_INFO, | |
3167 | "handle_assoc_cb(reassoc=%d) - too short payload (len=%lu)", | |
3168 | reassoc, (unsigned long) len); | |
3f81ac07 AO |
3169 | hostapd_drv_sta_remove(hapd, sta->addr); |
3170 | return; | |
bb598c3b AB |
3171 | } |
3172 | ||
3f81ac07 AO |
3173 | if (reassoc) |
3174 | status = le_to_host16(mgmt->u.reassoc_resp.status_code); | |
3175 | else | |
3176 | status = le_to_host16(mgmt->u.assoc_resp.status_code); | |
3177 | ||
22b42372 FF |
3178 | if (!ok) { |
3179 | hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211, | |
3180 | HOSTAPD_LEVEL_DEBUG, | |
3181 | "did not acknowledge association response"); | |
3182 | sta->flags &= ~WLAN_STA_ASSOC_REQ_OK; | |
3f81ac07 AO |
3183 | /* The STA is added only in case of SUCCESS */ |
3184 | if (status == WLAN_STATUS_SUCCESS) | |
3185 | hostapd_drv_sta_remove(hapd, sta->addr); | |
22b42372 | 3186 | |
3f81ac07 AO |
3187 | return; |
3188 | } | |
22b42372 | 3189 | |
6fc6879b | 3190 | if (status != WLAN_STATUS_SUCCESS) |
5bdac4ab | 3191 | return; |
6fc6879b JM |
3192 | |
3193 | /* Stop previous accounting session, if one is started, and allocate | |
3194 | * new session id for the new session. */ | |
3195 | accounting_sta_stop(hapd, sta); | |
6fc6879b JM |
3196 | |
3197 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
3198 | HOSTAPD_LEVEL_INFO, | |
2fc98d02 JM |
3199 | "associated (aid %d)", |
3200 | sta->aid); | |
6fc6879b JM |
3201 | |
3202 | if (sta->flags & WLAN_STA_ASSOC) | |
3203 | new_assoc = 0; | |
3204 | sta->flags |= WLAN_STA_ASSOC; | |
3578e665 | 3205 | sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; |
a14896e8 | 3206 | if ((!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen) || |
ef580012 JM |
3207 | sta->auth_alg == WLAN_AUTH_FT) { |
3208 | /* | |
3209 | * Open, static WEP, or FT protocol; no separate authorization | |
3210 | * step. | |
3211 | */ | |
6905dcb1 | 3212 | ap_sta_set_authorized(hapd, sta, 1); |
515cf93f | 3213 | } |
6fc6879b JM |
3214 | |
3215 | if (reassoc) | |
3216 | mlme_reassociate_indication(hapd, sta); | |
3217 | else | |
3218 | mlme_associate_indication(hapd, sta); | |
3219 | ||
5d22a1d5 | 3220 | #ifdef CONFIG_IEEE80211W |
93b76319 | 3221 | sta->sa_query_timed_out = 0; |
5d22a1d5 JM |
3222 | #endif /* CONFIG_IEEE80211W */ |
3223 | ||
69dd2967 SM |
3224 | if (sta->flags & WLAN_STA_WDS) { |
3225 | int ret; | |
3226 | char ifname_wds[IFNAMSIZ + 1]; | |
3227 | ||
3228 | ret = hostapd_set_wds_sta(hapd, ifname_wds, sta->addr, | |
3229 | sta->aid, 1); | |
3230 | if (!ret) | |
3231 | hostapd_set_wds_encryption(hapd, sta, ifname_wds); | |
3232 | } | |
7826ceae | 3233 | |
6fc6879b JM |
3234 | if (sta->eapol_sm == NULL) { |
3235 | /* | |
3236 | * This STA does not use RADIUS server for EAP authentication, | |
3237 | * so bind it to the selected VLAN interface now, since the | |
3238 | * interface selection is not going to change anymore. | |
3239 | */ | |
c8e6beab | 3240 | if (ap_sta_bind_vlan(hapd, sta) < 0) |
5bdac4ab | 3241 | return; |
6fc6879b JM |
3242 | } else if (sta->vlan_id) { |
3243 | /* VLAN ID already set (e.g., by PMKSA caching), so bind STA */ | |
c8e6beab | 3244 | if (ap_sta_bind_vlan(hapd, sta) < 0) |
5bdac4ab | 3245 | return; |
6fc6879b | 3246 | } |
eddd8010 | 3247 | |
0e8a96a9 | 3248 | hostapd_set_sta_flags(hapd, sta); |
6fc6879b JM |
3249 | |
3250 | if (sta->auth_alg == WLAN_AUTH_FT) | |
3251 | wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT); | |
3252 | else | |
3253 | wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); | |
d24df7c3 | 3254 | hapd->new_assoc_sta_cb(hapd, sta, !new_assoc); |
6fc6879b | 3255 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); |
f2accfe7 EP |
3256 | |
3257 | if (sta->pending_eapol_rx) { | |
3258 | struct os_reltime now, age; | |
3259 | ||
3260 | os_get_reltime(&now); | |
3261 | os_reltime_sub(&now, &sta->pending_eapol_rx->rx_time, &age); | |
3262 | if (age.sec == 0 && age.usec < 200000) { | |
3263 | wpa_printf(MSG_DEBUG, | |
3264 | "Process pending EAPOL frame that was received from " MACSTR " just before association notification", | |
3265 | MAC2STR(sta->addr)); | |
3266 | ieee802_1x_receive( | |
3267 | hapd, mgmt->da, | |
3268 | wpabuf_head(sta->pending_eapol_rx->buf), | |
3269 | wpabuf_len(sta->pending_eapol_rx->buf)); | |
3270 | } | |
3271 | wpabuf_free(sta->pending_eapol_rx->buf); | |
3272 | os_free(sta->pending_eapol_rx); | |
3273 | sta->pending_eapol_rx = NULL; | |
3274 | } | |
6fc6879b JM |
3275 | } |
3276 | ||
3277 | ||
4dc03726 JM |
3278 | static void handle_deauth_cb(struct hostapd_data *hapd, |
3279 | const struct ieee80211_mgmt *mgmt, | |
3280 | size_t len, int ok) | |
3281 | { | |
3282 | struct sta_info *sta; | |
81372e34 | 3283 | if (is_multicast_ether_addr(mgmt->da)) |
4dc03726 JM |
3284 | return; |
3285 | sta = ap_get_sta(hapd, mgmt->da); | |
3286 | if (!sta) { | |
3287 | wpa_printf(MSG_DEBUG, "handle_deauth_cb: STA " MACSTR | |
3288 | " not found", MAC2STR(mgmt->da)); | |
3289 | return; | |
3290 | } | |
3291 | if (ok) | |
3292 | wpa_printf(MSG_DEBUG, "STA " MACSTR " acknowledged deauth", | |
3293 | MAC2STR(sta->addr)); | |
3294 | else | |
3295 | wpa_printf(MSG_DEBUG, "STA " MACSTR " did not acknowledge " | |
3296 | "deauth", MAC2STR(sta->addr)); | |
3297 | ||
3298 | ap_sta_deauth_cb(hapd, sta); | |
3299 | } | |
3300 | ||
3301 | ||
3302 | static void handle_disassoc_cb(struct hostapd_data *hapd, | |
3303 | const struct ieee80211_mgmt *mgmt, | |
3304 | size_t len, int ok) | |
3305 | { | |
3306 | struct sta_info *sta; | |
81372e34 | 3307 | if (is_multicast_ether_addr(mgmt->da)) |
4dc03726 JM |
3308 | return; |
3309 | sta = ap_get_sta(hapd, mgmt->da); | |
3310 | if (!sta) { | |
3311 | wpa_printf(MSG_DEBUG, "handle_disassoc_cb: STA " MACSTR | |
3312 | " not found", MAC2STR(mgmt->da)); | |
3313 | return; | |
3314 | } | |
3315 | if (ok) | |
3316 | wpa_printf(MSG_DEBUG, "STA " MACSTR " acknowledged disassoc", | |
3317 | MAC2STR(sta->addr)); | |
3318 | else | |
3319 | wpa_printf(MSG_DEBUG, "STA " MACSTR " did not acknowledge " | |
3320 | "disassoc", MAC2STR(sta->addr)); | |
3321 | ||
3322 | ap_sta_disassoc_cb(hapd, sta); | |
3323 | } | |
3324 | ||
3325 | ||
1c6e69cc JM |
3326 | /** |
3327 | * ieee802_11_mgmt_cb - Process management frame TX status callback | |
3328 | * @hapd: hostapd BSS data structure (the BSS from which the management frame | |
3329 | * was sent from) | |
3330 | * @buf: management frame data (starting from IEEE 802.11 header) | |
3331 | * @len: length of frame data in octets | |
3332 | * @stype: management frame subtype from frame control field | |
3333 | * @ok: Whether the frame was ACK'ed | |
3334 | */ | |
f8b1f695 | 3335 | void ieee802_11_mgmt_cb(struct hostapd_data *hapd, const u8 *buf, size_t len, |
6fc6879b JM |
3336 | u16 stype, int ok) |
3337 | { | |
f8b1f695 JM |
3338 | const struct ieee80211_mgmt *mgmt; |
3339 | mgmt = (const struct ieee80211_mgmt *) buf; | |
6fc6879b | 3340 | |
93827f45 JM |
3341 | #ifdef CONFIG_TESTING_OPTIONS |
3342 | if (hapd->ext_mgmt_frame_handling) { | |
3343 | wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-TX-STATUS stype=%u ok=%d", | |
3344 | stype, ok); | |
3345 | return; | |
3346 | } | |
3347 | #endif /* CONFIG_TESTING_OPTIONS */ | |
3348 | ||
6fc6879b JM |
3349 | switch (stype) { |
3350 | case WLAN_FC_STYPE_AUTH: | |
3351 | wpa_printf(MSG_DEBUG, "mgmt::auth cb"); | |
3352 | handle_auth_cb(hapd, mgmt, len, ok); | |
3353 | break; | |
3354 | case WLAN_FC_STYPE_ASSOC_RESP: | |
3355 | wpa_printf(MSG_DEBUG, "mgmt::assoc_resp cb"); | |
3356 | handle_assoc_cb(hapd, mgmt, len, 0, ok); | |
3357 | break; | |
3358 | case WLAN_FC_STYPE_REASSOC_RESP: | |
3359 | wpa_printf(MSG_DEBUG, "mgmt::reassoc_resp cb"); | |
3360 | handle_assoc_cb(hapd, mgmt, len, 1, ok); | |
3361 | break; | |
3362 | case WLAN_FC_STYPE_PROBE_RESP: | |
077dcfb8 | 3363 | wpa_printf(MSG_EXCESSIVE, "mgmt::proberesp cb ok=%d", ok); |
6fc6879b JM |
3364 | break; |
3365 | case WLAN_FC_STYPE_DEAUTH: | |
4dc03726 JM |
3366 | wpa_printf(MSG_DEBUG, "mgmt::deauth cb"); |
3367 | handle_deauth_cb(hapd, mgmt, len, ok); | |
3368 | break; | |
3369 | case WLAN_FC_STYPE_DISASSOC: | |
3370 | wpa_printf(MSG_DEBUG, "mgmt::disassoc cb"); | |
3371 | handle_disassoc_cb(hapd, mgmt, len, ok); | |
6fc6879b | 3372 | break; |
5d22a1d5 | 3373 | case WLAN_FC_STYPE_ACTION: |
077dcfb8 | 3374 | wpa_printf(MSG_DEBUG, "mgmt::action cb ok=%d", ok); |
5d22a1d5 | 3375 | break; |
6fc6879b | 3376 | default: |
61323e70 | 3377 | wpa_printf(MSG_INFO, "unknown mgmt cb frame subtype %d", stype); |
6fc6879b JM |
3378 | break; |
3379 | } | |
3380 | } | |
3381 | ||
3382 | ||
6fc6879b JM |
3383 | int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen) |
3384 | { | |
3385 | /* TODO */ | |
3386 | return 0; | |
3387 | } | |
3388 | ||
3389 | ||
3390 | int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta, | |
3391 | char *buf, size_t buflen) | |
3392 | { | |
3393 | /* TODO */ | |
3394 | return 0; | |
3395 | } | |
3396 | ||
f8b1f695 JM |
3397 | |
3398 | void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr, | |
3399 | const u8 *buf, size_t len, int ack) | |
3400 | { | |
3401 | struct sta_info *sta; | |
3402 | struct hostapd_iface *iface = hapd->iface; | |
3403 | ||
3404 | sta = ap_get_sta(hapd, addr); | |
3405 | if (sta == NULL && iface->num_bss > 1) { | |
3406 | size_t j; | |
3407 | for (j = 0; j < iface->num_bss; j++) { | |
3408 | hapd = iface->bss[j]; | |
3409 | sta = ap_get_sta(hapd, addr); | |
3410 | if (sta) | |
3411 | break; | |
3412 | } | |
3413 | } | |
0c01d65d | 3414 | if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) |
f8b1f695 JM |
3415 | return; |
3416 | if (sta->flags & WLAN_STA_PENDING_POLL) { | |
3417 | wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending " | |
3418 | "activity poll", MAC2STR(sta->addr), | |
3419 | ack ? "ACKed" : "did not ACK"); | |
3420 | if (ack) | |
3421 | sta->flags &= ~WLAN_STA_PENDING_POLL; | |
3422 | } | |
3423 | ||
3424 | ieee802_1x_tx_status(hapd, sta, buf, len, ack); | |
3425 | } | |
3426 | ||
3427 | ||
dd840f79 JB |
3428 | void hostapd_eapol_tx_status(struct hostapd_data *hapd, const u8 *dst, |
3429 | const u8 *data, size_t len, int ack) | |
3430 | { | |
3431 | struct sta_info *sta; | |
3432 | struct hostapd_iface *iface = hapd->iface; | |
3433 | ||
3434 | sta = ap_get_sta(hapd, dst); | |
3435 | if (sta == NULL && iface->num_bss > 1) { | |
3436 | size_t j; | |
3437 | for (j = 0; j < iface->num_bss; j++) { | |
3438 | hapd = iface->bss[j]; | |
3439 | sta = ap_get_sta(hapd, dst); | |
3440 | if (sta) | |
3441 | break; | |
3442 | } | |
3443 | } | |
d9a38716 JM |
3444 | if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) { |
3445 | wpa_printf(MSG_DEBUG, "Ignore TX status for Data frame to STA " | |
3446 | MACSTR " that is not currently associated", | |
3447 | MAC2STR(dst)); | |
dd840f79 | 3448 | return; |
d9a38716 | 3449 | } |
dd840f79 JB |
3450 | |
3451 | ieee802_1x_eapol_tx_status(hapd, sta, data, len, ack); | |
3452 | } | |
3453 | ||
3454 | ||
bcf24348 JB |
3455 | void hostapd_client_poll_ok(struct hostapd_data *hapd, const u8 *addr) |
3456 | { | |
3457 | struct sta_info *sta; | |
3458 | struct hostapd_iface *iface = hapd->iface; | |
3459 | ||
3460 | sta = ap_get_sta(hapd, addr); | |
3461 | if (sta == NULL && iface->num_bss > 1) { | |
3462 | size_t j; | |
3463 | for (j = 0; j < iface->num_bss; j++) { | |
3464 | hapd = iface->bss[j]; | |
3465 | sta = ap_get_sta(hapd, addr); | |
3466 | if (sta) | |
3467 | break; | |
3468 | } | |
3469 | } | |
3470 | if (sta == NULL) | |
3471 | return; | |
1854eeca JM |
3472 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POLL_OK MACSTR, |
3473 | MAC2STR(sta->addr)); | |
bcf24348 JB |
3474 | if (!(sta->flags & WLAN_STA_PENDING_POLL)) |
3475 | return; | |
3476 | ||
3477 | wpa_printf(MSG_DEBUG, "STA " MACSTR " ACKed pending " | |
3478 | "activity poll", MAC2STR(sta->addr)); | |
3479 | sta->flags &= ~WLAN_STA_PENDING_POLL; | |
3480 | } | |
3481 | ||
3482 | ||
fbbfcbac FF |
3483 | void ieee802_11_rx_from_unknown(struct hostapd_data *hapd, const u8 *src, |
3484 | int wds) | |
f8b1f695 JM |
3485 | { |
3486 | struct sta_info *sta; | |
3487 | ||
3488 | sta = ap_get_sta(hapd, src); | |
fbbfcbac | 3489 | if (sta && (sta->flags & WLAN_STA_ASSOC)) { |
99743811 FF |
3490 | if (!hapd->conf->wds_sta) |
3491 | return; | |
3492 | ||
fbbfcbac | 3493 | if (wds && !(sta->flags & WLAN_STA_WDS)) { |
69dd2967 SM |
3494 | int ret; |
3495 | char ifname_wds[IFNAMSIZ + 1]; | |
3496 | ||
fbbfcbac FF |
3497 | wpa_printf(MSG_DEBUG, "Enable 4-address WDS mode for " |
3498 | "STA " MACSTR " (aid %u)", | |
3499 | MAC2STR(sta->addr), sta->aid); | |
3500 | sta->flags |= WLAN_STA_WDS; | |
69dd2967 SM |
3501 | ret = hostapd_set_wds_sta(hapd, ifname_wds, |
3502 | sta->addr, sta->aid, 1); | |
3503 | if (!ret) | |
3504 | hostapd_set_wds_encryption(hapd, sta, | |
3505 | ifname_wds); | |
fbbfcbac | 3506 | } |
f8b1f695 | 3507 | return; |
fbbfcbac | 3508 | } |
f8b1f695 JM |
3509 | |
3510 | wpa_printf(MSG_DEBUG, "Data/PS-poll frame from not associated STA " | |
3511 | MACSTR, MAC2STR(src)); | |
81372e34 | 3512 | if (is_multicast_ether_addr(src)) { |
1df492df JM |
3513 | /* Broadcast bit set in SA?! Ignore the frame silently. */ |
3514 | return; | |
3515 | } | |
3516 | ||
b8281964 JM |
3517 | if (sta && (sta->flags & WLAN_STA_ASSOC_REQ_OK)) { |
3518 | wpa_printf(MSG_DEBUG, "Association Response to the STA has " | |
3519 | "already been sent, but no TX status yet known - " | |
3520 | "ignore Class 3 frame issue with " MACSTR, | |
3521 | MAC2STR(src)); | |
3522 | return; | |
3523 | } | |
3524 | ||
f8b1f695 | 3525 | if (sta && (sta->flags & WLAN_STA_AUTH)) |
51e2a27a | 3526 | hostapd_drv_sta_disassoc( |
f8b1f695 JM |
3527 | hapd, src, |
3528 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA); | |
3529 | else | |
51e2a27a | 3530 | hostapd_drv_sta_deauth( |
f8b1f695 JM |
3531 | hapd, src, |
3532 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA); | |
3533 | } | |
3534 | ||
3535 | ||
6fc6879b | 3536 | #endif /* CONFIG_NATIVE_WINDOWS */ |