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6fc6879b JM |
1 | /* |
2 | * hostapd / IEEE 802.11 Management | |
3 | * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> | |
71b6ae14 | 4 | * Copyright (c) 2007-2008, Intel Corporation |
6fc6879b JM |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * Alternatively, this software may be distributed under the terms of BSD | |
11 | * license. | |
12 | * | |
13 | * See README and COPYING for more details. | |
14 | */ | |
15 | ||
16 | #include "includes.h" | |
17 | ||
18 | #ifndef CONFIG_NATIVE_WINDOWS | |
19 | ||
20 | #include <net/if.h> | |
21 | ||
22 | #include "eloop.h" | |
23 | #include "hostapd.h" | |
24 | #include "ieee802_11.h" | |
25 | #include "beacon.h" | |
26 | #include "hw_features.h" | |
27 | #include "radius/radius.h" | |
28 | #include "radius/radius_client.h" | |
29 | #include "ieee802_11_auth.h" | |
30 | #include "sta_info.h" | |
ac73690c | 31 | #include "crypto.h" |
6fc6879b JM |
32 | #include "ieee802_1x.h" |
33 | #include "wpa.h" | |
34 | #include "wme.h" | |
35 | #include "ap_list.h" | |
36 | #include "accounting.h" | |
bfddd95c | 37 | #include "driver_i.h" |
6fc6879b | 38 | #include "mlme.h" |
20bd9547 | 39 | #include "wpa_ctrl.h" |
6fc6879b JM |
40 | |
41 | ||
42 | u8 * hostapd_eid_supp_rates(struct hostapd_data *hapd, u8 *eid) | |
43 | { | |
44 | u8 *pos = eid; | |
45 | int i, num, count; | |
46 | ||
47 | if (hapd->iface->current_rates == NULL) | |
48 | return eid; | |
49 | ||
50 | *pos++ = WLAN_EID_SUPP_RATES; | |
51 | num = hapd->iface->num_rates; | |
52 | if (num > 8) { | |
53 | /* rest of the rates are encoded in Extended supported | |
54 | * rates element */ | |
55 | num = 8; | |
56 | } | |
57 | ||
58 | *pos++ = num; | |
59 | count = 0; | |
60 | for (i = 0, count = 0; i < hapd->iface->num_rates && count < num; | |
61 | i++) { | |
62 | count++; | |
63 | *pos = hapd->iface->current_rates[i].rate / 5; | |
64 | if (hapd->iface->current_rates[i].flags & HOSTAPD_RATE_BASIC) | |
65 | *pos |= 0x80; | |
66 | pos++; | |
67 | } | |
68 | ||
69 | return pos; | |
70 | } | |
71 | ||
72 | ||
73 | u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid) | |
74 | { | |
75 | u8 *pos = eid; | |
76 | int i, num, count; | |
77 | ||
78 | if (hapd->iface->current_rates == NULL) | |
79 | return eid; | |
80 | ||
81 | num = hapd->iface->num_rates; | |
82 | if (num <= 8) | |
83 | return eid; | |
84 | num -= 8; | |
85 | ||
86 | *pos++ = WLAN_EID_EXT_SUPP_RATES; | |
87 | *pos++ = num; | |
88 | count = 0; | |
89 | for (i = 0, count = 0; i < hapd->iface->num_rates && count < num + 8; | |
90 | i++) { | |
91 | count++; | |
92 | if (count <= 8) | |
93 | continue; /* already in SuppRates IE */ | |
94 | *pos = hapd->iface->current_rates[i].rate / 5; | |
95 | if (hapd->iface->current_rates[i].flags & HOSTAPD_RATE_BASIC) | |
96 | *pos |= 0x80; | |
97 | pos++; | |
98 | } | |
99 | ||
100 | return pos; | |
101 | } | |
102 | ||
103 | ||
de9289c8 JM |
104 | u8 * hostapd_eid_ht_capabilities_info(struct hostapd_data *hapd, u8 *eid) |
105 | { | |
9d2a76a2 | 106 | #ifdef CONFIG_IEEE80211N |
edd360e1 | 107 | struct ieee80211_ht_capability *cap; |
de9289c8 | 108 | u8 *pos = eid; |
edd360e1 | 109 | |
9d2a76a2 | 110 | if (!hapd->iconf->ieee80211n) |
edd360e1 JM |
111 | return eid; |
112 | ||
113 | *pos++ = WLAN_EID_HT_CAP; | |
114 | *pos++ = sizeof(*cap); | |
115 | ||
116 | cap = (struct ieee80211_ht_capability *) pos; | |
117 | os_memset(cap, 0, sizeof(*cap)); | |
118 | SET_2BIT_U8(&cap->mac_ht_params_info, | |
119 | MAC_HT_PARAM_INFO_MAX_RX_AMPDU_FACTOR_OFFSET, | |
120 | MAX_RX_AMPDU_FACTOR_64KB); | |
121 | ||
9d2a76a2 | 122 | cap->capabilities_info = host_to_le16(hapd->iconf->ht_capab); |
08eb154d JM |
123 | os_memcpy(cap->supported_mcs_set, hapd->iface->current_mode->mcs_set, |
124 | 16); | |
edd360e1 JM |
125 | |
126 | pos += sizeof(*cap); | |
127 | ||
de9289c8 | 128 | return pos; |
9d2a76a2 JM |
129 | #else /* CONFIG_IEEE80211N */ |
130 | return eid; | |
131 | #endif /* CONFIG_IEEE80211N */ | |
de9289c8 JM |
132 | } |
133 | ||
134 | ||
135 | u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid) | |
136 | { | |
9d2a76a2 | 137 | #ifdef CONFIG_IEEE80211N |
edd360e1 | 138 | struct ieee80211_ht_operation *oper; |
de9289c8 | 139 | u8 *pos = eid; |
edd360e1 | 140 | |
9d2a76a2 | 141 | if (!hapd->iconf->ieee80211n) |
edd360e1 JM |
142 | return eid; |
143 | ||
144 | *pos++ = WLAN_EID_HT_OPERATION; | |
145 | *pos++ = sizeof(*oper); | |
146 | ||
147 | oper = (struct ieee80211_ht_operation *) pos; | |
148 | os_memset(oper, 0, sizeof(*oper)); | |
149 | ||
a8d8410e | 150 | oper->control_chan = hapd->iconf->channel; |
edd360e1 | 151 | oper->operation_mode = host_to_le16(hapd->iface->ht_op_mode); |
a8d8410e | 152 | if (hapd->iconf->secondary_channel == 1) |
cd587cce JM |
153 | oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE | |
154 | HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH; | |
a8d8410e | 155 | if (hapd->iconf->secondary_channel == -1) |
cd587cce JM |
156 | oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW | |
157 | HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH; | |
edd360e1 JM |
158 | |
159 | pos += sizeof(*oper); | |
160 | ||
de9289c8 | 161 | return pos; |
9d2a76a2 JM |
162 | #else /* CONFIG_IEEE80211N */ |
163 | return eid; | |
164 | #endif /* CONFIG_IEEE80211N */ | |
de9289c8 JM |
165 | } |
166 | ||
167 | ||
9d2a76a2 JM |
168 | #ifdef CONFIG_IEEE80211N |
169 | ||
de9289c8 JM |
170 | /* |
171 | op_mode | |
172 | Set to 0 (HT pure) under the followign conditions | |
173 | - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or | |
174 | - all STAs in the BSS are 20 MHz HT in 20 MHz BSS | |
175 | Set to 1 (HT non-member protection) if there may be non-HT STAs | |
176 | in both the primary and the secondary channel | |
177 | Set to 2 if only HT STAs are associated in BSS, | |
178 | however and at least one 20 MHz HT STA is associated | |
179 | Set to 3 (HT mixed mode) when one or more non-HT STAs are associated | |
180 | (currently non-GF HT station is considered as non-HT STA also) | |
181 | */ | |
182 | int hostapd_ht_operation_update(struct hostapd_iface *iface) | |
183 | { | |
de9289c8 JM |
184 | u16 cur_op_mode, new_op_mode; |
185 | int op_mode_changes = 0; | |
de9289c8 | 186 | |
9d2a76a2 | 187 | if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) |
de9289c8 JM |
188 | return 0; |
189 | ||
de9289c8 | 190 | wpa_printf(MSG_DEBUG, "%s current operation mode=0x%X", |
edd360e1 | 191 | __func__, iface->ht_op_mode); |
de9289c8 | 192 | |
edd360e1 | 193 | if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) |
de9289c8 | 194 | && iface->num_sta_ht_no_gf) { |
edd360e1 JM |
195 | iface->ht_op_mode |= |
196 | HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT; | |
de9289c8 | 197 | op_mode_changes++; |
edd360e1 | 198 | } else if ((iface->ht_op_mode & |
de9289c8 JM |
199 | HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) && |
200 | iface->num_sta_ht_no_gf == 0) { | |
edd360e1 JM |
201 | iface->ht_op_mode &= |
202 | ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT; | |
de9289c8 JM |
203 | op_mode_changes++; |
204 | } | |
205 | ||
edd360e1 JM |
206 | if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) && |
207 | (iface->num_sta_no_ht || iface->olbc_ht)) { | |
208 | iface->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT; | |
de9289c8 | 209 | op_mode_changes++; |
edd360e1 JM |
210 | } else if ((iface->ht_op_mode & |
211 | HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) && | |
212 | (iface->num_sta_no_ht == 0 && !iface->olbc_ht)) { | |
213 | iface->ht_op_mode &= | |
214 | ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT; | |
de9289c8 JM |
215 | op_mode_changes++; |
216 | } | |
217 | ||
218 | /* Note: currently we switch to the MIXED op mode if HT non-greenfield | |
219 | * station is associated. Probably it's a theoretical case, since | |
220 | * it looks like all known HT STAs support greenfield. | |
221 | */ | |
222 | new_op_mode = 0; | |
223 | if (iface->num_sta_no_ht || | |
edd360e1 | 224 | (iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)) |
de9289c8 | 225 | new_op_mode = OP_MODE_MIXED; |
9d2a76a2 JM |
226 | else if ((iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) |
227 | && iface->num_sta_ht_20mhz) | |
de9289c8 JM |
228 | new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED; |
229 | else if (iface->olbc_ht) | |
230 | new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS; | |
231 | else | |
232 | new_op_mode = OP_MODE_PURE; | |
233 | ||
edd360e1 | 234 | cur_op_mode = iface->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK; |
de9289c8 | 235 | if (cur_op_mode != new_op_mode) { |
edd360e1 JM |
236 | iface->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK; |
237 | iface->ht_op_mode |= new_op_mode; | |
de9289c8 JM |
238 | op_mode_changes++; |
239 | } | |
240 | ||
241 | wpa_printf(MSG_DEBUG, "%s new operation mode=0x%X changes=%d", | |
edd360e1 | 242 | __func__, iface->ht_op_mode, op_mode_changes); |
de9289c8 JM |
243 | |
244 | return op_mode_changes; | |
245 | } | |
246 | ||
247 | #endif /* CONFIG_IEEE80211N */ | |
248 | ||
249 | ||
6fc6879b JM |
250 | u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta, |
251 | int probe) | |
252 | { | |
253 | int capab = WLAN_CAPABILITY_ESS; | |
254 | int privacy; | |
255 | ||
256 | if (hapd->iface->num_sta_no_short_preamble == 0 && | |
257 | hapd->iconf->preamble == SHORT_PREAMBLE) | |
258 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
259 | ||
260 | privacy = hapd->conf->ssid.wep.keys_set; | |
261 | ||
262 | if (hapd->conf->ieee802_1x && | |
263 | (hapd->conf->default_wep_key_len || | |
264 | hapd->conf->individual_wep_key_len)) | |
265 | privacy = 1; | |
266 | ||
267 | if (hapd->conf->wpa) | |
268 | privacy = 1; | |
269 | ||
270 | if (sta) { | |
271 | int policy, def_klen; | |
272 | if (probe && sta->ssid_probe) { | |
273 | policy = sta->ssid_probe->security_policy; | |
274 | def_klen = sta->ssid_probe->wep.default_len; | |
275 | } else { | |
276 | policy = sta->ssid->security_policy; | |
277 | def_klen = sta->ssid->wep.default_len; | |
278 | } | |
279 | privacy = policy != SECURITY_PLAINTEXT; | |
280 | if (policy == SECURITY_IEEE_802_1X && def_klen == 0) | |
281 | privacy = 0; | |
282 | } | |
283 | ||
284 | if (privacy) | |
285 | capab |= WLAN_CAPABILITY_PRIVACY; | |
286 | ||
287 | if (hapd->iface->current_mode && | |
288 | hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G && | |
289 | hapd->iface->num_sta_no_short_slot_time == 0) | |
290 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
291 | ||
6fc6879b JM |
292 | return capab; |
293 | } | |
294 | ||
295 | ||
5d22a1d5 JM |
296 | #ifdef CONFIG_IEEE80211W |
297 | static u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd, | |
298 | struct sta_info *sta, u8 *eid) | |
299 | { | |
300 | u8 *pos = eid; | |
45c94154 JM |
301 | u32 timeout, tu; |
302 | struct os_time now, passed; | |
5d22a1d5 | 303 | |
adddffd1 JM |
304 | *pos++ = WLAN_EID_TIMEOUT_INTERVAL; |
305 | *pos++ = 5; | |
306 | *pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK; | |
45c94154 JM |
307 | os_get_time(&now); |
308 | os_time_sub(&now, &sta->sa_query_start, &passed); | |
309 | tu = (passed.sec * 1000000 + passed.usec) / 1024; | |
310 | if (hapd->conf->assoc_sa_query_max_timeout > tu) | |
311 | timeout = hapd->conf->assoc_sa_query_max_timeout - tu; | |
312 | else | |
313 | timeout = 0; | |
314 | if (timeout < hapd->conf->assoc_sa_query_max_timeout) | |
315 | timeout++; /* add some extra time for local timers */ | |
5d22a1d5 JM |
316 | WPA_PUT_LE32(pos, timeout); |
317 | pos += 4; | |
318 | ||
319 | return pos; | |
320 | } | |
321 | #endif /* CONFIG_IEEE80211W */ | |
322 | ||
323 | ||
6fc6879b JM |
324 | void ieee802_11_print_ssid(char *buf, const u8 *ssid, u8 len) |
325 | { | |
326 | int i; | |
327 | if (len > HOSTAPD_MAX_SSID_LEN) | |
328 | len = HOSTAPD_MAX_SSID_LEN; | |
329 | for (i = 0; i < len; i++) { | |
330 | if (ssid[i] >= 32 && ssid[i] < 127) | |
331 | buf[i] = ssid[i]; | |
332 | else | |
333 | buf[i] = '.'; | |
334 | } | |
335 | buf[len] = '\0'; | |
336 | } | |
337 | ||
338 | ||
1c6e69cc JM |
339 | /** |
340 | * ieee802_11_send_deauth - Send Deauthentication frame | |
341 | * @hapd: hostapd BSS data | |
342 | * @addr: Address of the destination STA | |
343 | * @reason: Reason code for Deauthentication | |
344 | */ | |
6fc6879b JM |
345 | void ieee802_11_send_deauth(struct hostapd_data *hapd, u8 *addr, u16 reason) |
346 | { | |
347 | struct ieee80211_mgmt mgmt; | |
6fc6879b JM |
348 | |
349 | hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, | |
350 | HOSTAPD_LEVEL_DEBUG, | |
351 | "deauthenticate - reason %d", reason); | |
6fc6879b JM |
352 | os_memset(&mgmt, 0, sizeof(mgmt)); |
353 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
354 | WLAN_FC_STYPE_DEAUTH); | |
355 | os_memcpy(mgmt.da, addr, ETH_ALEN); | |
356 | os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN); | |
357 | os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN); | |
358 | mgmt.u.deauth.reason_code = host_to_le16(reason); | |
359 | if (hostapd_send_mgmt_frame(hapd, &mgmt, IEEE80211_HDRLEN + | |
83421302 | 360 | sizeof(mgmt.u.deauth)) < 0) |
6fc6879b JM |
361 | perror("ieee802_11_send_deauth: send"); |
362 | } | |
363 | ||
364 | ||
6fc6879b JM |
365 | static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta, |
366 | u16 auth_transaction, u8 *challenge, int iswep) | |
367 | { | |
368 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
369 | HOSTAPD_LEVEL_DEBUG, | |
370 | "authentication (shared key, transaction %d)", | |
371 | auth_transaction); | |
372 | ||
373 | if (auth_transaction == 1) { | |
374 | if (!sta->challenge) { | |
375 | /* Generate a pseudo-random challenge */ | |
376 | u8 key[8]; | |
377 | time_t now; | |
378 | int r; | |
379 | sta->challenge = os_zalloc(WLAN_AUTH_CHALLENGE_LEN); | |
380 | if (sta->challenge == NULL) | |
381 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
382 | ||
383 | now = time(NULL); | |
384 | r = random(); | |
385 | os_memcpy(key, &now, 4); | |
386 | os_memcpy(key + 4, &r, 4); | |
8ef16831 JM |
387 | rc4_skip(key, sizeof(key), 0, |
388 | sta->challenge, WLAN_AUTH_CHALLENGE_LEN); | |
6fc6879b JM |
389 | } |
390 | return 0; | |
391 | } | |
392 | ||
393 | if (auth_transaction != 3) | |
394 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
395 | ||
396 | /* Transaction 3 */ | |
397 | if (!iswep || !sta->challenge || !challenge || | |
398 | os_memcmp(sta->challenge, challenge, WLAN_AUTH_CHALLENGE_LEN)) { | |
399 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
400 | HOSTAPD_LEVEL_INFO, | |
401 | "shared key authentication - invalid " | |
402 | "challenge-response"); | |
403 | return WLAN_STATUS_CHALLENGE_FAIL; | |
404 | } | |
405 | ||
406 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
407 | HOSTAPD_LEVEL_DEBUG, | |
408 | "authentication OK (shared key)"); | |
409 | #ifdef IEEE80211_REQUIRE_AUTH_ACK | |
410 | /* Station will be marked authenticated if it ACKs the | |
411 | * authentication reply. */ | |
412 | #else | |
413 | sta->flags |= WLAN_STA_AUTH; | |
414 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
415 | #endif | |
416 | os_free(sta->challenge); | |
417 | sta->challenge = NULL; | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
422 | ||
423 | static void send_auth_reply(struct hostapd_data *hapd, | |
424 | const u8 *dst, const u8 *bssid, | |
425 | u16 auth_alg, u16 auth_transaction, u16 resp, | |
426 | const u8 *ies, size_t ies_len) | |
427 | { | |
428 | struct ieee80211_mgmt *reply; | |
429 | u8 *buf; | |
430 | size_t rlen; | |
431 | ||
432 | rlen = IEEE80211_HDRLEN + sizeof(reply->u.auth) + ies_len; | |
433 | buf = os_zalloc(rlen); | |
434 | if (buf == NULL) | |
435 | return; | |
436 | ||
437 | reply = (struct ieee80211_mgmt *) buf; | |
438 | reply->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
439 | WLAN_FC_STYPE_AUTH); | |
6fc6879b JM |
440 | os_memcpy(reply->da, dst, ETH_ALEN); |
441 | os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN); | |
442 | os_memcpy(reply->bssid, bssid, ETH_ALEN); | |
443 | ||
444 | reply->u.auth.auth_alg = host_to_le16(auth_alg); | |
445 | reply->u.auth.auth_transaction = host_to_le16(auth_transaction); | |
446 | reply->u.auth.status_code = host_to_le16(resp); | |
447 | ||
448 | if (ies && ies_len) | |
449 | os_memcpy(reply->u.auth.variable, ies, ies_len); | |
450 | ||
451 | wpa_printf(MSG_DEBUG, "authentication reply: STA=" MACSTR | |
452 | " auth_alg=%d auth_transaction=%d resp=%d (IE len=%lu)", | |
453 | MAC2STR(dst), auth_alg, auth_transaction, | |
454 | resp, (unsigned long) ies_len); | |
83421302 | 455 | if (hostapd_send_mgmt_frame(hapd, reply, rlen) < 0) |
6fc6879b JM |
456 | perror("send_auth_reply: send"); |
457 | ||
458 | os_free(buf); | |
459 | } | |
460 | ||
461 | ||
462 | #ifdef CONFIG_IEEE80211R | |
463 | static void handle_auth_ft_finish(void *ctx, const u8 *dst, const u8 *bssid, | |
464 | u16 auth_transaction, u16 status, | |
465 | const u8 *ies, size_t ies_len) | |
466 | { | |
467 | struct hostapd_data *hapd = ctx; | |
468 | struct sta_info *sta; | |
469 | ||
470 | send_auth_reply(hapd, dst, bssid, WLAN_AUTH_FT, auth_transaction, | |
471 | status, ies, ies_len); | |
472 | ||
473 | if (status != WLAN_STATUS_SUCCESS) | |
474 | return; | |
475 | ||
476 | sta = ap_get_sta(hapd, dst); | |
477 | if (sta == NULL) | |
478 | return; | |
479 | ||
480 | hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, | |
481 | HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); | |
482 | sta->flags |= WLAN_STA_AUTH; | |
483 | mlme_authenticate_indication(hapd, sta); | |
484 | } | |
485 | #endif /* CONFIG_IEEE80211R */ | |
486 | ||
487 | ||
488 | static void handle_auth(struct hostapd_data *hapd, struct ieee80211_mgmt *mgmt, | |
489 | size_t len) | |
490 | { | |
491 | u16 auth_alg, auth_transaction, status_code; | |
492 | u16 resp = WLAN_STATUS_SUCCESS; | |
493 | struct sta_info *sta = NULL; | |
494 | int res; | |
495 | u16 fc; | |
496 | u8 *challenge = NULL; | |
497 | u32 session_timeout, acct_interim_interval; | |
498 | int vlan_id = 0; | |
499 | u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; | |
500 | size_t resp_ies_len = 0; | |
501 | ||
502 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) { | |
503 | printf("handle_auth - too short payload (len=%lu)\n", | |
504 | (unsigned long) len); | |
505 | return; | |
506 | } | |
507 | ||
508 | auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
509 | auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction); | |
510 | status_code = le_to_host16(mgmt->u.auth.status_code); | |
511 | fc = le_to_host16(mgmt->frame_control); | |
512 | ||
513 | if (len >= IEEE80211_HDRLEN + sizeof(mgmt->u.auth) + | |
514 | 2 + WLAN_AUTH_CHALLENGE_LEN && | |
515 | mgmt->u.auth.variable[0] == WLAN_EID_CHALLENGE && | |
516 | mgmt->u.auth.variable[1] == WLAN_AUTH_CHALLENGE_LEN) | |
517 | challenge = &mgmt->u.auth.variable[2]; | |
518 | ||
519 | wpa_printf(MSG_DEBUG, "authentication: STA=" MACSTR " auth_alg=%d " | |
520 | "auth_transaction=%d status_code=%d wep=%d%s", | |
521 | MAC2STR(mgmt->sa), auth_alg, auth_transaction, | |
522 | status_code, !!(fc & WLAN_FC_ISWEP), | |
523 | challenge ? " challenge" : ""); | |
524 | ||
6fc6879b JM |
525 | if (hapd->tkip_countermeasures) { |
526 | resp = WLAN_REASON_MICHAEL_MIC_FAILURE; | |
527 | goto fail; | |
528 | } | |
529 | ||
530 | if (!(((hapd->conf->auth_algs & WPA_AUTH_ALG_OPEN) && | |
531 | auth_alg == WLAN_AUTH_OPEN) || | |
532 | #ifdef CONFIG_IEEE80211R | |
533 | (hapd->conf->wpa && | |
534 | (hapd->conf->wpa_key_mgmt & | |
535 | (WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK)) && | |
536 | auth_alg == WLAN_AUTH_FT) || | |
537 | #endif /* CONFIG_IEEE80211R */ | |
538 | ((hapd->conf->auth_algs & WPA_AUTH_ALG_SHARED) && | |
539 | auth_alg == WLAN_AUTH_SHARED_KEY))) { | |
540 | printf("Unsupported authentication algorithm (%d)\n", | |
541 | auth_alg); | |
542 | resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; | |
543 | goto fail; | |
544 | } | |
545 | ||
546 | if (!(auth_transaction == 1 || | |
547 | (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 3))) { | |
548 | printf("Unknown authentication transaction number (%d)\n", | |
549 | auth_transaction); | |
550 | resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; | |
551 | goto fail; | |
552 | } | |
553 | ||
554 | if (os_memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) { | |
555 | printf("Station " MACSTR " not allowed to authenticate.\n", | |
556 | MAC2STR(mgmt->sa)); | |
557 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
558 | goto fail; | |
559 | } | |
560 | ||
561 | res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len, | |
562 | &session_timeout, | |
563 | &acct_interim_interval, &vlan_id); | |
564 | if (res == HOSTAPD_ACL_REJECT) { | |
565 | printf("Station " MACSTR " not allowed to authenticate.\n", | |
566 | MAC2STR(mgmt->sa)); | |
567 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
568 | goto fail; | |
569 | } | |
570 | if (res == HOSTAPD_ACL_PENDING) { | |
571 | wpa_printf(MSG_DEBUG, "Authentication frame from " MACSTR | |
572 | " waiting for an external authentication", | |
573 | MAC2STR(mgmt->sa)); | |
574 | /* Authentication code will re-send the authentication frame | |
575 | * after it has received (and cached) information from the | |
576 | * external source. */ | |
577 | return; | |
578 | } | |
579 | ||
580 | sta = ap_sta_add(hapd, mgmt->sa); | |
581 | if (!sta) { | |
582 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
583 | goto fail; | |
584 | } | |
585 | ||
586 | if (vlan_id > 0) { | |
587 | if (hostapd_get_vlan_id_ifname(hapd->conf->vlan, | |
1066c1ee | 588 | vlan_id) == NULL) { |
6fc6879b JM |
589 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, |
590 | HOSTAPD_LEVEL_INFO, "Invalid VLAN ID " | |
591 | "%d received from RADIUS server", | |
592 | vlan_id); | |
593 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
594 | goto fail; | |
595 | } | |
596 | sta->vlan_id = vlan_id; | |
597 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, | |
598 | HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id); | |
599 | } | |
600 | ||
601 | sta->flags &= ~WLAN_STA_PREAUTH; | |
602 | ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); | |
603 | ||
604 | if (hapd->conf->radius->acct_interim_interval == 0 && | |
605 | acct_interim_interval) | |
606 | sta->acct_interim_interval = acct_interim_interval; | |
607 | if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT) | |
608 | ap_sta_session_timeout(hapd, sta, session_timeout); | |
609 | else | |
610 | ap_sta_no_session_timeout(hapd, sta); | |
611 | ||
612 | switch (auth_alg) { | |
613 | case WLAN_AUTH_OPEN: | |
614 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
615 | HOSTAPD_LEVEL_DEBUG, | |
616 | "authentication OK (open system)"); | |
617 | #ifdef IEEE80211_REQUIRE_AUTH_ACK | |
618 | /* Station will be marked authenticated if it ACKs the | |
619 | * authentication reply. */ | |
620 | #else | |
621 | sta->flags |= WLAN_STA_AUTH; | |
622 | wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH); | |
623 | sta->auth_alg = WLAN_AUTH_OPEN; | |
624 | mlme_authenticate_indication(hapd, sta); | |
625 | #endif | |
626 | break; | |
627 | case WLAN_AUTH_SHARED_KEY: | |
628 | resp = auth_shared_key(hapd, sta, auth_transaction, challenge, | |
629 | fc & WLAN_FC_ISWEP); | |
630 | sta->auth_alg = WLAN_AUTH_SHARED_KEY; | |
631 | mlme_authenticate_indication(hapd, sta); | |
632 | if (sta->challenge && auth_transaction == 1) { | |
633 | resp_ies[0] = WLAN_EID_CHALLENGE; | |
634 | resp_ies[1] = WLAN_AUTH_CHALLENGE_LEN; | |
635 | os_memcpy(resp_ies + 2, sta->challenge, | |
636 | WLAN_AUTH_CHALLENGE_LEN); | |
637 | resp_ies_len = 2 + WLAN_AUTH_CHALLENGE_LEN; | |
638 | } | |
639 | break; | |
640 | #ifdef CONFIG_IEEE80211R | |
641 | case WLAN_AUTH_FT: | |
642 | sta->auth_alg = WLAN_AUTH_FT; | |
643 | if (sta->wpa_sm == NULL) | |
644 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
645 | sta->addr); | |
646 | if (sta->wpa_sm == NULL) { | |
647 | wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA " | |
648 | "state machine"); | |
649 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
650 | goto fail; | |
651 | } | |
652 | wpa_ft_process_auth(sta->wpa_sm, mgmt->bssid, | |
653 | auth_transaction, mgmt->u.auth.variable, | |
654 | len - IEEE80211_HDRLEN - | |
655 | sizeof(mgmt->u.auth), | |
656 | handle_auth_ft_finish, hapd); | |
657 | /* handle_auth_ft_finish() callback will complete auth. */ | |
658 | return; | |
659 | #endif /* CONFIG_IEEE80211R */ | |
660 | } | |
661 | ||
662 | fail: | |
663 | send_auth_reply(hapd, mgmt->sa, mgmt->bssid, auth_alg, | |
664 | auth_transaction + 1, resp, resp_ies, resp_ies_len); | |
665 | } | |
666 | ||
667 | ||
d42a62b3 JM |
668 | static int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta) |
669 | { | |
2991469c JM |
670 | int i, j = 32, aid; |
671 | ||
d42a62b3 JM |
672 | /* get a unique AID */ |
673 | if (sta->aid > 0) { | |
674 | wpa_printf(MSG_DEBUG, " old AID %d", sta->aid); | |
675 | return 0; | |
676 | } | |
677 | ||
2991469c JM |
678 | for (i = 0; i < AID_WORDS; i++) { |
679 | if (hapd->sta_aid[i] == (u32) -1) | |
680 | continue; | |
681 | for (j = 0; j < 32; j++) { | |
682 | if (!(hapd->sta_aid[i] & BIT(j))) | |
683 | break; | |
684 | } | |
685 | if (j < 32) | |
d42a62b3 | 686 | break; |
d42a62b3 | 687 | } |
2991469c JM |
688 | if (j == 32) |
689 | return -1; | |
690 | aid = i * 32 + j + 1; | |
691 | if (aid > 2007) | |
692 | return -1; | |
d42a62b3 | 693 | |
2991469c JM |
694 | sta->aid = aid; |
695 | hapd->sta_aid[i] |= BIT(j); | |
d42a62b3 JM |
696 | wpa_printf(MSG_DEBUG, " new AID %d", sta->aid); |
697 | return 0; | |
698 | } | |
699 | ||
700 | ||
6fc6879b JM |
701 | static void handle_assoc(struct hostapd_data *hapd, |
702 | struct ieee80211_mgmt *mgmt, size_t len, int reassoc) | |
703 | { | |
704 | u16 capab_info, listen_interval; | |
705 | u16 resp = WLAN_STATUS_SUCCESS; | |
706 | u8 *pos, *wpa_ie; | |
707 | size_t wpa_ie_len; | |
708 | int send_deauth = 0, send_len, left, i; | |
709 | struct sta_info *sta; | |
710 | struct ieee802_11_elems elems; | |
f238cf9f | 711 | u8 buf[sizeof(struct ieee80211_mgmt) + 1024]; |
6fc6879b JM |
712 | struct ieee80211_mgmt *reply; |
713 | ||
714 | if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) : | |
715 | sizeof(mgmt->u.assoc_req))) { | |
716 | printf("handle_assoc(reassoc=%d) - too short payload (len=%lu)" | |
717 | "\n", reassoc, (unsigned long) len); | |
718 | return; | |
719 | } | |
720 | ||
721 | if (reassoc) { | |
722 | capab_info = le_to_host16(mgmt->u.reassoc_req.capab_info); | |
723 | listen_interval = le_to_host16( | |
724 | mgmt->u.reassoc_req.listen_interval); | |
725 | wpa_printf(MSG_DEBUG, "reassociation request: STA=" MACSTR | |
726 | " capab_info=0x%02x listen_interval=%d current_ap=" | |
727 | MACSTR, | |
728 | MAC2STR(mgmt->sa), capab_info, listen_interval, | |
729 | MAC2STR(mgmt->u.reassoc_req.current_ap)); | |
730 | left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req)); | |
731 | pos = mgmt->u.reassoc_req.variable; | |
732 | } else { | |
733 | capab_info = le_to_host16(mgmt->u.assoc_req.capab_info); | |
734 | listen_interval = le_to_host16( | |
735 | mgmt->u.assoc_req.listen_interval); | |
736 | wpa_printf(MSG_DEBUG, "association request: STA=" MACSTR | |
737 | " capab_info=0x%02x listen_interval=%d", | |
738 | MAC2STR(mgmt->sa), capab_info, listen_interval); | |
739 | left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req)); | |
740 | pos = mgmt->u.assoc_req.variable; | |
741 | } | |
742 | ||
743 | sta = ap_get_sta(hapd, mgmt->sa); | |
744 | #ifdef CONFIG_IEEE80211R | |
745 | if (sta && sta->auth_alg == WLAN_AUTH_FT && | |
746 | (sta->flags & WLAN_STA_AUTH) == 0) { | |
747 | wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate " | |
748 | "prior to authentication since it is using " | |
749 | "over-the-DS FT", MAC2STR(mgmt->sa)); | |
750 | } else | |
751 | #endif /* CONFIG_IEEE80211R */ | |
752 | if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) { | |
753 | printf("STA " MACSTR " trying to associate before " | |
754 | "authentication\n", MAC2STR(mgmt->sa)); | |
755 | if (sta) { | |
756 | printf(" sta: addr=" MACSTR " aid=%d flags=0x%04x\n", | |
757 | MAC2STR(sta->addr), sta->aid, sta->flags); | |
758 | } | |
759 | send_deauth = 1; | |
760 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
761 | goto fail; | |
762 | } | |
763 | ||
764 | if (hapd->tkip_countermeasures) { | |
765 | resp = WLAN_REASON_MICHAEL_MIC_FAILURE; | |
766 | goto fail; | |
767 | } | |
768 | ||
b0194fe0 JM |
769 | if (listen_interval > hapd->conf->max_listen_interval) { |
770 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
771 | HOSTAPD_LEVEL_DEBUG, | |
772 | "Too large Listen Interval (%d)", | |
773 | listen_interval); | |
774 | resp = WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE; | |
775 | goto fail; | |
776 | } | |
777 | ||
6fc6879b | 778 | sta->capability = capab_info; |
39e50be0 | 779 | sta->listen_interval = listen_interval; |
6fc6879b | 780 | |
de9289c8 JM |
781 | /* followed by SSID and Supported rates; and HT capabilities if 802.11n |
782 | * is used */ | |
3d536eb4 JM |
783 | if (ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed || |
784 | !elems.ssid) { | |
6fc6879b JM |
785 | printf("STA " MACSTR " sent invalid association request\n", |
786 | MAC2STR(sta->addr)); | |
787 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
788 | goto fail; | |
789 | } | |
790 | ||
791 | if (elems.ssid_len != hapd->conf->ssid.ssid_len || | |
792 | os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) != 0) | |
793 | { | |
794 | char ssid_txt[33]; | |
795 | ieee802_11_print_ssid(ssid_txt, elems.ssid, elems.ssid_len); | |
796 | printf("Station " MACSTR " tried to associate with " | |
797 | "unknown SSID '%s'\n", MAC2STR(sta->addr), ssid_txt); | |
798 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
799 | goto fail; | |
800 | } | |
801 | ||
3ae0800c JM |
802 | sta->flags &= ~WLAN_STA_WMM; |
803 | if (elems.wmm && hapd->conf->wmm_enabled) { | |
804 | if (hostapd_eid_wmm_valid(hapd, elems.wmm, elems.wmm_len)) | |
6fc6879b JM |
805 | hostapd_logger(hapd, sta->addr, |
806 | HOSTAPD_MODULE_WPA, | |
807 | HOSTAPD_LEVEL_DEBUG, | |
3ae0800c | 808 | "invalid WMM element in association " |
6fc6879b JM |
809 | "request"); |
810 | else | |
3ae0800c | 811 | sta->flags |= WLAN_STA_WMM; |
6fc6879b JM |
812 | } |
813 | ||
814 | if (!elems.supp_rates) { | |
815 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
816 | HOSTAPD_LEVEL_DEBUG, | |
817 | "No supported rates element in AssocReq"); | |
818 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
819 | goto fail; | |
820 | } | |
821 | ||
822 | if (elems.supp_rates_len > sizeof(sta->supported_rates)) { | |
823 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
824 | HOSTAPD_LEVEL_DEBUG, | |
825 | "Invalid supported rates element length %d", | |
826 | elems.supp_rates_len); | |
827 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
828 | goto fail; | |
829 | } | |
830 | ||
831 | os_memset(sta->supported_rates, 0, sizeof(sta->supported_rates)); | |
832 | os_memcpy(sta->supported_rates, elems.supp_rates, | |
833 | elems.supp_rates_len); | |
834 | sta->supported_rates_len = elems.supp_rates_len; | |
835 | ||
836 | if (elems.ext_supp_rates) { | |
837 | if (elems.supp_rates_len + elems.ext_supp_rates_len > | |
838 | sizeof(sta->supported_rates)) { | |
839 | hostapd_logger(hapd, mgmt->sa, | |
840 | HOSTAPD_MODULE_IEEE80211, | |
841 | HOSTAPD_LEVEL_DEBUG, | |
842 | "Invalid supported rates element length" | |
843 | " %d+%d", elems.supp_rates_len, | |
844 | elems.ext_supp_rates_len); | |
845 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
846 | goto fail; | |
847 | } | |
848 | ||
849 | os_memcpy(sta->supported_rates + elems.supp_rates_len, | |
850 | elems.ext_supp_rates, elems.ext_supp_rates_len); | |
851 | sta->supported_rates_len += elems.ext_supp_rates_len; | |
852 | } | |
853 | ||
de9289c8 JM |
854 | #ifdef CONFIG_IEEE80211N |
855 | /* save HT capabilities in the sta object */ | |
856 | os_memset(&sta->ht_capabilities, 0, sizeof(sta->ht_capabilities)); | |
857 | if (elems.ht_capabilities && | |
f130ba9b JM |
858 | elems.ht_capabilities_len >= |
859 | sizeof(struct ieee80211_ht_capability)) { | |
de9289c8 JM |
860 | sta->flags |= WLAN_STA_HT; |
861 | sta->ht_capabilities.id = WLAN_EID_HT_CAP; | |
862 | sta->ht_capabilities.length = | |
863 | sizeof(struct ieee80211_ht_capability); | |
864 | os_memcpy(&sta->ht_capabilities.data, | |
865 | elems.ht_capabilities, | |
866 | sizeof(struct ieee80211_ht_capability)); | |
867 | } else | |
868 | sta->flags &= ~WLAN_STA_HT; | |
869 | #endif /* CONFIG_IEEE80211N */ | |
870 | ||
6fc6879b JM |
871 | if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) { |
872 | wpa_ie = elems.rsn_ie; | |
873 | wpa_ie_len = elems.rsn_ie_len; | |
874 | } else if ((hapd->conf->wpa & WPA_PROTO_WPA) && | |
875 | elems.wpa_ie) { | |
876 | wpa_ie = elems.wpa_ie; | |
877 | wpa_ie_len = elems.wpa_ie_len; | |
878 | } else { | |
879 | wpa_ie = NULL; | |
880 | wpa_ie_len = 0; | |
881 | } | |
ad08c363 | 882 | #ifdef CONFIG_WPS |
a8d05fca | 883 | sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS); |
ad08c363 JM |
884 | if (hapd->conf->wps_state && wpa_ie == NULL) { |
885 | if (elems.wps_ie) { | |
886 | wpa_printf(MSG_DEBUG, "STA included WPS IE in " | |
887 | "(Re)Association Request - assume WPS is " | |
888 | "used"); | |
889 | sta->flags |= WLAN_STA_WPS; | |
eb76b7e3 JM |
890 | wpabuf_free(sta->wps_ie); |
891 | sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4, | |
892 | elems.wps_ie_len - 4); | |
ad08c363 JM |
893 | } else { |
894 | wpa_printf(MSG_DEBUG, "STA did not include WPA/RSN IE " | |
895 | "in (Re)Association Request - possible WPS " | |
896 | "use"); | |
897 | sta->flags |= WLAN_STA_MAYBE_WPS; | |
898 | } | |
899 | } else | |
900 | #endif /* CONFIG_WPS */ | |
6fc6879b JM |
901 | if (hapd->conf->wpa && wpa_ie == NULL) { |
902 | printf("STA " MACSTR ": No WPA/RSN IE in association " | |
903 | "request\n", MAC2STR(sta->addr)); | |
904 | resp = WLAN_STATUS_INVALID_IE; | |
905 | goto fail; | |
906 | } | |
907 | ||
908 | if (hapd->conf->wpa && wpa_ie) { | |
909 | int res; | |
910 | wpa_ie -= 2; | |
911 | wpa_ie_len += 2; | |
912 | if (sta->wpa_sm == NULL) | |
913 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
914 | sta->addr); | |
915 | if (sta->wpa_sm == NULL) { | |
916 | printf("Failed to initialize WPA state machine\n"); | |
917 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
918 | goto fail; | |
919 | } | |
920 | res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, | |
921 | wpa_ie, wpa_ie_len, | |
922 | elems.mdie, elems.mdie_len); | |
923 | if (res == WPA_INVALID_GROUP) | |
924 | resp = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; | |
925 | else if (res == WPA_INVALID_PAIRWISE) | |
926 | resp = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; | |
927 | else if (res == WPA_INVALID_AKMP) | |
928 | resp = WLAN_STATUS_AKMP_NOT_VALID; | |
929 | else if (res == WPA_ALLOC_FAIL) | |
930 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
931 | #ifdef CONFIG_IEEE80211W | |
932 | else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) | |
9a9876bf | 933 | resp = WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION; |
6fc6879b | 934 | else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) |
9a9876bf | 935 | resp = WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION; |
6fc6879b JM |
936 | #endif /* CONFIG_IEEE80211W */ |
937 | else if (res == WPA_INVALID_MDIE) | |
938 | resp = WLAN_STATUS_INVALID_MDIE; | |
939 | else if (res != WPA_IE_OK) | |
940 | resp = WLAN_STATUS_INVALID_IE; | |
941 | if (resp != WLAN_STATUS_SUCCESS) | |
942 | goto fail; | |
f3f7540e | 943 | #ifdef CONFIG_IEEE80211W |
45c94154 JM |
944 | if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && |
945 | sta->sa_query_count > 0) | |
946 | ap_check_sa_query_timeout(hapd, sta); | |
8f4617c6 JM |
947 | if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && |
948 | (!reassoc || sta->auth_alg != WLAN_AUTH_FT)) { | |
5d22a1d5 | 949 | /* |
93b76319 JM |
950 | * STA has already been associated with MFP and SA |
951 | * Query timeout has not been reached. Reject the | |
952 | * association attempt temporarily and start SA Query, | |
953 | * if one is not pending. | |
5d22a1d5 JM |
954 | */ |
955 | ||
93b76319 JM |
956 | if (sta->sa_query_count == 0) |
957 | ap_sta_start_sa_query(hapd, sta); | |
5d22a1d5 JM |
958 | |
959 | resp = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY; | |
960 | goto fail; | |
961 | } | |
962 | ||
f3f7540e JM |
963 | if (wpa_auth_uses_mfp(sta->wpa_sm)) |
964 | sta->flags |= WLAN_STA_MFP; | |
965 | else | |
966 | sta->flags &= ~WLAN_STA_MFP; | |
967 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
968 | |
969 | #ifdef CONFIG_IEEE80211R | |
970 | if (sta->auth_alg == WLAN_AUTH_FT) { | |
971 | if (!reassoc) { | |
972 | wpa_printf(MSG_DEBUG, "FT: " MACSTR " tried " | |
973 | "to use association (not " | |
974 | "re-association) with FT auth_alg", | |
975 | MAC2STR(sta->addr)); | |
976 | resp = WLAN_STATUS_UNSPECIFIED_FAILURE; | |
977 | goto fail; | |
978 | } | |
979 | ||
980 | resp = wpa_ft_validate_reassoc(sta->wpa_sm, pos, left); | |
981 | if (resp != WLAN_STATUS_SUCCESS) | |
982 | goto fail; | |
983 | } | |
984 | #endif /* CONFIG_IEEE80211R */ | |
ff36ff00 JM |
985 | #ifdef CONFIG_IEEE80211N |
986 | if ((sta->flags & WLAN_STA_HT) && | |
987 | wpa_auth_get_pairwise(sta->wpa_sm) == WPA_CIPHER_TKIP) { | |
988 | wpa_printf(MSG_DEBUG, "HT: " MACSTR " tried to " | |
989 | "use TKIP with HT association", | |
990 | MAC2STR(sta->addr)); | |
991 | resp = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; | |
992 | goto fail; | |
993 | } | |
994 | #endif /* CONFIG_IEEE80211N */ | |
a8d05fca JM |
995 | } else |
996 | wpa_auth_sta_no_wpa(sta->wpa_sm); | |
6fc6879b | 997 | |
6fc6879b JM |
998 | if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G) |
999 | sta->flags |= WLAN_STA_NONERP; | |
1000 | for (i = 0; i < sta->supported_rates_len; i++) { | |
1001 | if ((sta->supported_rates[i] & 0x7f) > 22) { | |
1002 | sta->flags &= ~WLAN_STA_NONERP; | |
1003 | break; | |
1004 | } | |
1005 | } | |
1006 | if (sta->flags & WLAN_STA_NONERP && !sta->nonerp_set) { | |
1007 | sta->nonerp_set = 1; | |
1008 | hapd->iface->num_sta_non_erp++; | |
1009 | if (hapd->iface->num_sta_non_erp == 1) | |
1010 | ieee802_11_set_beacons(hapd->iface); | |
1011 | } | |
1012 | ||
1013 | if (!(sta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) && | |
1014 | !sta->no_short_slot_time_set) { | |
1015 | sta->no_short_slot_time_set = 1; | |
1016 | hapd->iface->num_sta_no_short_slot_time++; | |
1017 | if (hapd->iface->current_mode->mode == | |
1018 | HOSTAPD_MODE_IEEE80211G && | |
1019 | hapd->iface->num_sta_no_short_slot_time == 1) | |
1020 | ieee802_11_set_beacons(hapd->iface); | |
1021 | } | |
1022 | ||
1023 | if (sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) | |
1024 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; | |
1025 | else | |
1026 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; | |
1027 | ||
1028 | if (!(sta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) && | |
1029 | !sta->no_short_preamble_set) { | |
1030 | sta->no_short_preamble_set = 1; | |
1031 | hapd->iface->num_sta_no_short_preamble++; | |
1032 | if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G | |
1033 | && hapd->iface->num_sta_no_short_preamble == 1) | |
1034 | ieee802_11_set_beacons(hapd->iface); | |
1035 | } | |
1036 | ||
de9289c8 JM |
1037 | #ifdef CONFIG_IEEE80211N |
1038 | if (sta->flags & WLAN_STA_HT) { | |
8725598c JM |
1039 | u16 ht_capab = le_to_host16( |
1040 | sta->ht_capabilities.data.capabilities_info); | |
1041 | wpa_printf(MSG_DEBUG, "HT: STA " MACSTR " HT Capabilities " | |
1042 | "Info: 0x%04x", MAC2STR(sta->addr), ht_capab); | |
1043 | if ((ht_capab & HT_CAP_INFO_GREEN_FIELD) == 0) { | |
e8ff1e59 JM |
1044 | if (!sta->no_ht_gf_set) { |
1045 | sta->no_ht_gf_set = 1; | |
1046 | hapd->iface->num_sta_ht_no_gf++; | |
1047 | } | |
de9289c8 JM |
1048 | wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - no " |
1049 | "greenfield, num of non-gf stations %d", | |
1050 | __func__, MAC2STR(sta->addr), | |
1051 | hapd->iface->num_sta_ht_no_gf); | |
1052 | } | |
8725598c | 1053 | if ((ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0) { |
e8ff1e59 JM |
1054 | if (!sta->ht_20mhz_set) { |
1055 | sta->ht_20mhz_set = 1; | |
1056 | hapd->iface->num_sta_ht_20mhz++; | |
1057 | } | |
de9289c8 JM |
1058 | wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - 20 MHz HT, " |
1059 | "num of 20MHz HT STAs %d", | |
1060 | __func__, MAC2STR(sta->addr), | |
1061 | hapd->iface->num_sta_ht_20mhz); | |
1062 | } | |
1063 | } else { | |
e8ff1e59 JM |
1064 | if (!sta->no_ht_set) { |
1065 | sta->no_ht_set = 1; | |
1066 | hapd->iface->num_sta_no_ht++; | |
1067 | } | |
9d2a76a2 | 1068 | if (hapd->iconf->ieee80211n) { |
de9289c8 JM |
1069 | wpa_printf(MSG_DEBUG, "%s STA " MACSTR |
1070 | " - no HT, num of non-HT stations %d", | |
1071 | __func__, MAC2STR(sta->addr), | |
1072 | hapd->iface->num_sta_no_ht); | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | if (hostapd_ht_operation_update(hapd->iface) > 0) | |
1077 | ieee802_11_set_beacons(hapd->iface); | |
1078 | #endif /* CONFIG_IEEE80211N */ | |
1079 | ||
d42a62b3 JM |
1080 | if (hostapd_get_aid(hapd, sta) < 0) { |
1081 | resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; | |
1082 | wpa_printf(MSG_ERROR, " no room for more AIDs"); | |
1083 | goto fail; | |
6fc6879b JM |
1084 | } |
1085 | ||
1086 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1087 | HOSTAPD_LEVEL_DEBUG, | |
1088 | "association OK (aid %d)", sta->aid); | |
1089 | /* Station will be marked associated, after it acknowledges AssocResp | |
1090 | */ | |
1091 | ||
6f5c8dbd JM |
1092 | #ifdef CONFIG_IEEE80211W |
1093 | if ((sta->flags & WLAN_STA_MFP) && sta->sa_query_timed_out) { | |
1094 | wpa_printf(MSG_DEBUG, "Allowing %sassociation after timed out " | |
1095 | "SA Query procedure", reassoc ? "re" : ""); | |
1096 | /* TODO: Send a protected Disassociate frame to the STA using | |
1097 | * the old key and Reason Code "Previous Authentication no | |
1098 | * longer valid". Make sure this is only sent protected since | |
1099 | * unprotected frame would be received by the STA that is now | |
1100 | * trying to associate. | |
1101 | */ | |
1102 | } | |
1103 | #endif /* CONFIG_IEEE80211W */ | |
1104 | ||
1e858f69 JM |
1105 | if (reassoc) { |
1106 | os_memcpy(sta->previous_ap, mgmt->u.reassoc_req.current_ap, | |
1107 | ETH_ALEN); | |
1108 | } | |
1109 | ||
6fc6879b JM |
1110 | if (sta->last_assoc_req) |
1111 | os_free(sta->last_assoc_req); | |
1112 | sta->last_assoc_req = os_malloc(len); | |
1113 | if (sta->last_assoc_req) | |
1114 | os_memcpy(sta->last_assoc_req, mgmt, len); | |
1115 | ||
1116 | /* Make sure that the previously registered inactivity timer will not | |
1117 | * remove the STA immediately. */ | |
1118 | sta->timeout_next = STA_NULLFUNC; | |
1119 | ||
1120 | fail: | |
1121 | os_memset(buf, 0, sizeof(buf)); | |
1122 | reply = (struct ieee80211_mgmt *) buf; | |
1123 | reply->frame_control = | |
1124 | IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
1125 | (send_deauth ? WLAN_FC_STYPE_DEAUTH : | |
1126 | (reassoc ? WLAN_FC_STYPE_REASSOC_RESP : | |
1127 | WLAN_FC_STYPE_ASSOC_RESP))); | |
1128 | os_memcpy(reply->da, mgmt->sa, ETH_ALEN); | |
1129 | os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN); | |
1130 | os_memcpy(reply->bssid, mgmt->bssid, ETH_ALEN); | |
1131 | ||
1132 | send_len = IEEE80211_HDRLEN; | |
1133 | if (send_deauth) { | |
1134 | send_len += sizeof(reply->u.deauth); | |
1135 | reply->u.deauth.reason_code = host_to_le16(resp); | |
1136 | } else { | |
1137 | u8 *p; | |
1138 | send_len += sizeof(reply->u.assoc_resp); | |
1139 | reply->u.assoc_resp.capab_info = | |
1140 | host_to_le16(hostapd_own_capab_info(hapd, sta, 0)); | |
1141 | reply->u.assoc_resp.status_code = host_to_le16(resp); | |
1142 | reply->u.assoc_resp.aid = host_to_le16((sta ? sta->aid : 0) | |
1143 | | BIT(14) | BIT(15)); | |
1144 | /* Supported rates */ | |
1145 | p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable); | |
1146 | /* Extended supported rates */ | |
1147 | p = hostapd_eid_ext_supp_rates(hapd, p); | |
3ae0800c JM |
1148 | if (sta->flags & WLAN_STA_WMM) |
1149 | p = hostapd_eid_wmm(hapd, p); | |
6fc6879b | 1150 | |
9d2a76a2 JM |
1151 | p = hostapd_eid_ht_capabilities_info(hapd, p); |
1152 | p = hostapd_eid_ht_operation(hapd, p); | |
de9289c8 | 1153 | |
6fc6879b JM |
1154 | #ifdef CONFIG_IEEE80211R |
1155 | if (resp == WLAN_STATUS_SUCCESS) { | |
1156 | /* IEEE 802.11r: Mobility Domain Information, Fast BSS | |
f238cf9f | 1157 | * Transition Information, RSN, [RIC Response] */ |
6fc6879b JM |
1158 | p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, p, |
1159 | buf + sizeof(buf) - p, | |
f238cf9f JM |
1160 | sta->auth_alg, |
1161 | pos, left); | |
6fc6879b JM |
1162 | } |
1163 | #endif /* CONFIG_IEEE80211R */ | |
1164 | ||
5d22a1d5 JM |
1165 | #ifdef CONFIG_IEEE80211W |
1166 | if (resp == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY) | |
1167 | p = hostapd_eid_assoc_comeback_time(hapd, sta, p); | |
1168 | #endif /* CONFIG_IEEE80211W */ | |
1169 | ||
6fc6879b | 1170 | send_len += p - reply->u.assoc_resp.variable; |
6fc6879b JM |
1171 | } |
1172 | ||
83421302 | 1173 | if (hostapd_send_mgmt_frame(hapd, reply, send_len) < 0) |
6fc6879b JM |
1174 | perror("handle_assoc: send"); |
1175 | } | |
1176 | ||
1177 | ||
6fc6879b JM |
1178 | static void handle_disassoc(struct hostapd_data *hapd, |
1179 | struct ieee80211_mgmt *mgmt, size_t len) | |
1180 | { | |
1181 | struct sta_info *sta; | |
1182 | ||
1183 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.disassoc)) { | |
1184 | printf("handle_disassoc - too short payload (len=%lu)\n", | |
1185 | (unsigned long) len); | |
1186 | return; | |
1187 | } | |
1188 | ||
1189 | wpa_printf(MSG_DEBUG, "disassocation: STA=" MACSTR " reason_code=%d", | |
1190 | MAC2STR(mgmt->sa), | |
1191 | le_to_host16(mgmt->u.disassoc.reason_code)); | |
1192 | ||
6fc6879b JM |
1193 | sta = ap_get_sta(hapd, mgmt->sa); |
1194 | if (sta == NULL) { | |
1195 | printf("Station " MACSTR " trying to disassociate, but it " | |
1196 | "is not associated.\n", MAC2STR(mgmt->sa)); | |
1197 | return; | |
1198 | } | |
1199 | ||
1200 | sta->flags &= ~WLAN_STA_ASSOC; | |
20bd9547 JM |
1201 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR, |
1202 | MAC2STR(sta->addr)); | |
6fc6879b JM |
1203 | wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); |
1204 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1205 | HOSTAPD_LEVEL_INFO, "disassociated"); | |
1206 | sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; | |
1207 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); | |
1208 | /* Stop Accounting and IEEE 802.1X sessions, but leave the STA | |
1209 | * authenticated. */ | |
1210 | accounting_sta_stop(hapd, sta); | |
1211 | ieee802_1x_free_station(sta); | |
1212 | hostapd_sta_remove(hapd, sta->addr); | |
1213 | ||
1214 | if (sta->timeout_next == STA_NULLFUNC || | |
1215 | sta->timeout_next == STA_DISASSOC) { | |
1216 | sta->timeout_next = STA_DEAUTH; | |
1217 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); | |
1218 | eloop_register_timeout(AP_DEAUTH_DELAY, 0, ap_handle_timer, | |
1219 | hapd, sta); | |
1220 | } | |
1221 | ||
1222 | mlme_disassociate_indication( | |
1223 | hapd, sta, le_to_host16(mgmt->u.disassoc.reason_code)); | |
1224 | } | |
1225 | ||
1226 | ||
1227 | static void handle_deauth(struct hostapd_data *hapd, | |
1228 | struct ieee80211_mgmt *mgmt, size_t len) | |
1229 | { | |
1230 | struct sta_info *sta; | |
1231 | ||
1232 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.deauth)) { | |
1233 | printf("handle_deauth - too short payload (len=%lu)\n", | |
1234 | (unsigned long) len); | |
1235 | return; | |
1236 | } | |
1237 | ||
1238 | wpa_printf(MSG_DEBUG, "deauthentication: STA=" MACSTR | |
1239 | " reason_code=%d", | |
1240 | MAC2STR(mgmt->sa), | |
1241 | le_to_host16(mgmt->u.deauth.reason_code)); | |
1242 | ||
6fc6879b JM |
1243 | sta = ap_get_sta(hapd, mgmt->sa); |
1244 | if (sta == NULL) { | |
1245 | printf("Station " MACSTR " trying to deauthenticate, but it " | |
1246 | "is not authenticated.\n", MAC2STR(mgmt->sa)); | |
1247 | return; | |
1248 | } | |
1249 | ||
1250 | sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); | |
20bd9547 JM |
1251 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR, |
1252 | MAC2STR(sta->addr)); | |
6fc6879b JM |
1253 | wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH); |
1254 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1255 | HOSTAPD_LEVEL_DEBUG, "deauthenticated"); | |
1256 | mlme_deauthenticate_indication( | |
1257 | hapd, sta, le_to_host16(mgmt->u.deauth.reason_code)); | |
1258 | sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; | |
1259 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); | |
1260 | ap_free_sta(hapd, sta); | |
1261 | } | |
1262 | ||
1263 | ||
1264 | static void handle_beacon(struct hostapd_data *hapd, | |
1265 | struct ieee80211_mgmt *mgmt, size_t len, | |
1266 | struct hostapd_frame_info *fi) | |
1267 | { | |
1268 | struct ieee802_11_elems elems; | |
1269 | ||
1270 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.beacon)) { | |
1271 | printf("handle_beacon - too short payload (len=%lu)\n", | |
1272 | (unsigned long) len); | |
1273 | return; | |
1274 | } | |
1275 | ||
3d536eb4 | 1276 | (void) ieee802_11_parse_elems(mgmt->u.beacon.variable, |
6fc6879b JM |
1277 | len - (IEEE80211_HDRLEN + |
1278 | sizeof(mgmt->u.beacon)), &elems, | |
1279 | 0); | |
1280 | ||
6fc6879b JM |
1281 | ap_list_process_beacon(hapd->iface, mgmt, &elems, fi); |
1282 | } | |
1283 | ||
1284 | ||
5d22a1d5 | 1285 | #ifdef CONFIG_IEEE80211W |
88b4b424 JM |
1286 | |
1287 | /* MLME-SAQuery.request */ | |
1288 | void ieee802_11_send_sa_query_req(struct hostapd_data *hapd, | |
1289 | const u8 *addr, const u8 *trans_id) | |
1290 | { | |
1291 | struct ieee80211_mgmt mgmt; | |
1292 | u8 *end; | |
1293 | ||
92305c5d JM |
1294 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Request to " |
1295 | MACSTR, MAC2STR(addr)); | |
1296 | wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", | |
1297 | trans_id, WLAN_SA_QUERY_TR_ID_LEN); | |
1298 | ||
88b4b424 JM |
1299 | os_memset(&mgmt, 0, sizeof(mgmt)); |
1300 | mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
1301 | WLAN_FC_STYPE_ACTION); | |
1302 | os_memcpy(mgmt.da, addr, ETH_ALEN); | |
1303 | os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN); | |
1304 | os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN); | |
1305 | mgmt.u.action.category = WLAN_ACTION_SA_QUERY; | |
1306 | mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST; | |
1307 | os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id, | |
1308 | WLAN_SA_QUERY_TR_ID_LEN); | |
1309 | end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN; | |
83421302 | 1310 | if (hostapd_send_mgmt_frame(hapd, &mgmt, end - (u8 *) &mgmt) < 0) |
88b4b424 JM |
1311 | perror("ieee802_11_send_sa_query_req: send"); |
1312 | } | |
1313 | ||
1314 | ||
93b76319 JM |
1315 | static void hostapd_sa_query_action(struct hostapd_data *hapd, |
1316 | struct ieee80211_mgmt *mgmt, size_t len) | |
5d22a1d5 JM |
1317 | { |
1318 | struct sta_info *sta; | |
1319 | u8 *end; | |
1320 | int i; | |
1321 | ||
93b76319 JM |
1322 | end = mgmt->u.action.u.sa_query_resp.trans_id + |
1323 | WLAN_SA_QUERY_TR_ID_LEN; | |
5d22a1d5 | 1324 | if (((u8 *) mgmt) + len < end) { |
93b76319 | 1325 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short SA Query Action " |
5d22a1d5 JM |
1326 | "frame (len=%lu)", (unsigned long) len); |
1327 | return; | |
1328 | } | |
1329 | ||
93b76319 JM |
1330 | if (mgmt->u.action.u.sa_query_resp.action != WLAN_SA_QUERY_RESPONSE) { |
1331 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query " | |
1332 | "Action %d", mgmt->u.action.u.sa_query_resp.action); | |
5d22a1d5 JM |
1333 | return; |
1334 | } | |
1335 | ||
92305c5d JM |
1336 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Response from " |
1337 | MACSTR, MAC2STR(mgmt->sa)); | |
1338 | wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", | |
1339 | mgmt->u.action.u.sa_query_resp.trans_id, | |
1340 | WLAN_SA_QUERY_TR_ID_LEN); | |
1341 | ||
93b76319 | 1342 | /* MLME-SAQuery.confirm */ |
5d22a1d5 JM |
1343 | |
1344 | sta = ap_get_sta(hapd, mgmt->sa); | |
93b76319 | 1345 | if (sta == NULL || sta->sa_query_trans_id == NULL) { |
5d22a1d5 | 1346 | wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with " |
93b76319 | 1347 | "pending SA Query request found"); |
5d22a1d5 JM |
1348 | return; |
1349 | } | |
1350 | ||
93b76319 JM |
1351 | for (i = 0; i < sta->sa_query_count; i++) { |
1352 | if (os_memcmp(sta->sa_query_trans_id + | |
1353 | i * WLAN_SA_QUERY_TR_ID_LEN, | |
1354 | mgmt->u.action.u.sa_query_resp.trans_id, | |
1355 | WLAN_SA_QUERY_TR_ID_LEN) == 0) | |
5d22a1d5 JM |
1356 | break; |
1357 | } | |
1358 | ||
93b76319 JM |
1359 | if (i >= sta->sa_query_count) { |
1360 | wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query " | |
5d22a1d5 JM |
1361 | "transaction identifier found"); |
1362 | return; | |
1363 | } | |
1364 | ||
1365 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
93b76319 JM |
1366 | HOSTAPD_LEVEL_DEBUG, |
1367 | "Reply to pending SA Query received"); | |
1368 | ap_sta_stop_sa_query(hapd, sta); | |
5d22a1d5 | 1369 | } |
5d22a1d5 JM |
1370 | |
1371 | ||
c4e281fd JM |
1372 | static int robust_action_frame(u8 category) |
1373 | { | |
1374 | return category != WLAN_ACTION_PUBLIC && | |
1375 | category != WLAN_ACTION_HT; | |
1376 | } | |
9f64b827 | 1377 | #endif /* CONFIG_IEEE80211W */ |
c4e281fd JM |
1378 | |
1379 | ||
6fc6879b JM |
1380 | static void handle_action(struct hostapd_data *hapd, |
1381 | struct ieee80211_mgmt *mgmt, size_t len) | |
1382 | { | |
c4e281fd JM |
1383 | struct sta_info *sta; |
1384 | ||
6fc6879b JM |
1385 | if (len < IEEE80211_HDRLEN + 1) { |
1386 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
1387 | HOSTAPD_LEVEL_DEBUG, | |
1388 | "handle_action - too short payload (len=%lu)", | |
1389 | (unsigned long) len); | |
1390 | return; | |
1391 | } | |
1392 | ||
c4e281fd JM |
1393 | sta = ap_get_sta(hapd, mgmt->sa); |
1394 | #ifdef CONFIG_IEEE80211W | |
1395 | if (sta && (sta->flags & WLAN_STA_MFP) && | |
1396 | !(mgmt->frame_control & host_to_le16(WLAN_FC_ISWEP) && | |
1397 | robust_action_frame(mgmt->u.action.category))) { | |
1398 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
1399 | HOSTAPD_LEVEL_DEBUG, | |
1400 | "Dropped unprotected Robust Action frame from " | |
1401 | "an MFP STA"); | |
1402 | return; | |
1403 | } | |
1404 | #endif /* CONFIG_IEEE80211W */ | |
1405 | ||
6fc6879b JM |
1406 | switch (mgmt->u.action.category) { |
1407 | #ifdef CONFIG_IEEE80211R | |
1408 | case WLAN_ACTION_FT: | |
1409 | { | |
6fc6879b JM |
1410 | if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) { |
1411 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignored FT Action " | |
1412 | "frame from unassociated STA " MACSTR, | |
1413 | MAC2STR(mgmt->sa)); | |
1414 | return; | |
1415 | } | |
1416 | ||
1417 | if (wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, | |
1418 | len - IEEE80211_HDRLEN)) | |
1419 | break; | |
1420 | ||
1421 | return; | |
1422 | } | |
1423 | #endif /* CONFIG_IEEE80211R */ | |
c2a71408 | 1424 | case WLAN_ACTION_WMM: |
3ae0800c | 1425 | hostapd_wmm_action(hapd, mgmt, len); |
6fc6879b | 1426 | return; |
5d22a1d5 | 1427 | #ifdef CONFIG_IEEE80211W |
93b76319 JM |
1428 | case WLAN_ACTION_SA_QUERY: |
1429 | hostapd_sa_query_action(hapd, mgmt, len); | |
5d22a1d5 JM |
1430 | return; |
1431 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
1432 | } |
1433 | ||
1434 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
1435 | HOSTAPD_LEVEL_DEBUG, | |
1436 | "handle_action - unknown action category %d or invalid " | |
1437 | "frame", | |
1438 | mgmt->u.action.category); | |
1439 | if (!(mgmt->da[0] & 0x01) && !(mgmt->u.action.category & 0x80) && | |
1440 | !(mgmt->sa[0] & 0x01)) { | |
1441 | /* | |
1442 | * IEEE 802.11-REVma/D9.0 - 7.3.1.11 | |
1443 | * Return the Action frame to the source without change | |
1444 | * except that MSB of the Category set to 1. | |
1445 | */ | |
1446 | wpa_printf(MSG_DEBUG, "IEEE 802.11: Return unknown Action " | |
1447 | "frame back to sender"); | |
1448 | os_memcpy(mgmt->da, mgmt->sa, ETH_ALEN); | |
1449 | os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN); | |
1450 | os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN); | |
1451 | mgmt->u.action.category |= 0x80; | |
1452 | ||
83421302 | 1453 | hostapd_send_mgmt_frame(hapd, mgmt, len); |
6fc6879b JM |
1454 | } |
1455 | } | |
1456 | ||
1457 | ||
1458 | /** | |
1459 | * ieee802_11_mgmt - process incoming IEEE 802.11 management frames | |
1460 | * @hapd: hostapd BSS data structure (the BSS to which the management frame was | |
1461 | * sent to) | |
1462 | * @buf: management frame data (starting from IEEE 802.11 header) | |
1463 | * @len: length of frame data in octets | |
1464 | * @stype: management frame subtype from frame control field | |
a17df5fb | 1465 | * @fi: meta data about received frame (signal level, etc.) |
6fc6879b JM |
1466 | * |
1467 | * Process all incoming IEEE 802.11 management frames. This will be called for | |
1468 | * each frame received from the kernel driver through wlan#ap interface. In | |
1469 | * addition, it can be called to re-inserted pending frames (e.g., when using | |
1470 | * external RADIUS server as an MAC ACL). | |
1471 | */ | |
1472 | void ieee802_11_mgmt(struct hostapd_data *hapd, u8 *buf, size_t len, u16 stype, | |
1473 | struct hostapd_frame_info *fi) | |
1474 | { | |
1475 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) buf; | |
1476 | int broadcast; | |
1477 | ||
1478 | if (stype == WLAN_FC_STYPE_BEACON) { | |
1479 | handle_beacon(hapd, mgmt, len, fi); | |
1480 | return; | |
1481 | } | |
1482 | ||
6fc6879b JM |
1483 | broadcast = mgmt->bssid[0] == 0xff && mgmt->bssid[1] == 0xff && |
1484 | mgmt->bssid[2] == 0xff && mgmt->bssid[3] == 0xff && | |
1485 | mgmt->bssid[4] == 0xff && mgmt->bssid[5] == 0xff; | |
1486 | ||
1487 | if (!broadcast && | |
fe2c5241 | 1488 | os_memcmp(mgmt->bssid, hapd->own_addr, ETH_ALEN) != 0) { |
6fc6879b JM |
1489 | printf("MGMT: BSSID=" MACSTR " not our address\n", |
1490 | MAC2STR(mgmt->bssid)); | |
1491 | return; | |
1492 | } | |
1493 | ||
1494 | ||
1495 | if (stype == WLAN_FC_STYPE_PROBE_REQ) { | |
1496 | handle_probe_req(hapd, mgmt, len); | |
1497 | return; | |
1498 | } | |
1499 | ||
1500 | if (os_memcmp(mgmt->da, hapd->own_addr, ETH_ALEN) != 0) { | |
1501 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
1502 | HOSTAPD_LEVEL_DEBUG, | |
1503 | "MGMT: DA=" MACSTR " not our address", | |
1504 | MAC2STR(mgmt->da)); | |
1505 | return; | |
1506 | } | |
1507 | ||
1508 | switch (stype) { | |
1509 | case WLAN_FC_STYPE_AUTH: | |
1510 | wpa_printf(MSG_DEBUG, "mgmt::auth"); | |
1511 | handle_auth(hapd, mgmt, len); | |
1512 | break; | |
1513 | case WLAN_FC_STYPE_ASSOC_REQ: | |
1514 | wpa_printf(MSG_DEBUG, "mgmt::assoc_req"); | |
1515 | handle_assoc(hapd, mgmt, len, 0); | |
1516 | break; | |
6fc6879b JM |
1517 | case WLAN_FC_STYPE_REASSOC_REQ: |
1518 | wpa_printf(MSG_DEBUG, "mgmt::reassoc_req"); | |
1519 | handle_assoc(hapd, mgmt, len, 1); | |
1520 | break; | |
1521 | case WLAN_FC_STYPE_DISASSOC: | |
1522 | wpa_printf(MSG_DEBUG, "mgmt::disassoc"); | |
1523 | handle_disassoc(hapd, mgmt, len); | |
1524 | break; | |
1525 | case WLAN_FC_STYPE_DEAUTH: | |
1526 | wpa_printf(MSG_DEBUG, "mgmt::deauth"); | |
1527 | handle_deauth(hapd, mgmt, len); | |
1528 | break; | |
1529 | case WLAN_FC_STYPE_ACTION: | |
1530 | wpa_printf(MSG_DEBUG, "mgmt::action"); | |
1531 | handle_action(hapd, mgmt, len); | |
1532 | break; | |
1533 | default: | |
1534 | hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211, | |
1535 | HOSTAPD_LEVEL_DEBUG, | |
1536 | "unknown mgmt frame subtype %d", stype); | |
1537 | break; | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | ||
1542 | static void handle_auth_cb(struct hostapd_data *hapd, | |
1543 | struct ieee80211_mgmt *mgmt, | |
1544 | size_t len, int ok) | |
1545 | { | |
1546 | u16 auth_alg, auth_transaction, status_code; | |
1547 | struct sta_info *sta; | |
1548 | ||
1549 | if (!ok) { | |
1550 | hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211, | |
1551 | HOSTAPD_LEVEL_NOTICE, | |
1552 | "did not acknowledge authentication response"); | |
1553 | return; | |
1554 | } | |
1555 | ||
1556 | if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) { | |
1557 | printf("handle_auth_cb - too short payload (len=%lu)\n", | |
1558 | (unsigned long) len); | |
1559 | return; | |
1560 | } | |
1561 | ||
1562 | auth_alg = le_to_host16(mgmt->u.auth.auth_alg); | |
1563 | auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction); | |
1564 | status_code = le_to_host16(mgmt->u.auth.status_code); | |
1565 | ||
1566 | sta = ap_get_sta(hapd, mgmt->da); | |
1567 | if (!sta) { | |
1568 | printf("handle_auth_cb: STA " MACSTR " not found\n", | |
1569 | MAC2STR(mgmt->da)); | |
1570 | return; | |
1571 | } | |
1572 | ||
1573 | if (status_code == WLAN_STATUS_SUCCESS && | |
1574 | ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 2) || | |
1575 | (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 4))) { | |
1576 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1577 | HOSTAPD_LEVEL_INFO, "authenticated"); | |
1578 | sta->flags |= WLAN_STA_AUTH; | |
1579 | } | |
1580 | } | |
1581 | ||
1582 | ||
35463eae | 1583 | #ifdef CONFIG_IEEE80211N |
1584 | static void | |
1585 | hostapd_get_ht_capab(struct hostapd_data *hapd, | |
1586 | struct ht_cap_ie *ht_cap_ie, | |
1587 | struct ht_cap_ie *neg_ht_cap_ie) | |
1588 | { | |
9510f00f | 1589 | u16 cap; |
35463eae | 1590 | |
1591 | os_memcpy(neg_ht_cap_ie, ht_cap_ie, sizeof(struct ht_cap_ie)); | |
9510f00f FF |
1592 | cap = le_to_host16(neg_ht_cap_ie->data.capabilities_info); |
1593 | cap &= hapd->iconf->ht_capab; | |
1594 | cap |= (hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_DISABLED); | |
35463eae | 1595 | |
1596 | /* FIXME: Rx STBC needs to be handled specially */ | |
9510f00f FF |
1597 | cap |= (hapd->iconf->ht_capab & HT_CAP_INFO_RX_STBC_MASK); |
1598 | neg_ht_cap_ie->data.capabilities_info = host_to_le16(cap); | |
35463eae | 1599 | } |
1600 | #endif /* CONFIG_IEEE80211N */ | |
1601 | ||
1602 | ||
6fc6879b JM |
1603 | static void handle_assoc_cb(struct hostapd_data *hapd, |
1604 | struct ieee80211_mgmt *mgmt, | |
1605 | size_t len, int reassoc, int ok) | |
1606 | { | |
1607 | u16 status; | |
1608 | struct sta_info *sta; | |
1609 | int new_assoc = 1; | |
37d8922e | 1610 | #ifdef CONFIG_IEEE80211N |
35463eae | 1611 | struct ht_cap_ie ht_cap; |
37d8922e JM |
1612 | #endif /* CONFIG_IEEE80211N */ |
1613 | struct ht_cap_ie *ht_cap_ptr = NULL; | |
eddd8010 | 1614 | int set_flags, flags_and, flags_or; |
6fc6879b JM |
1615 | |
1616 | if (!ok) { | |
1617 | hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211, | |
1618 | HOSTAPD_LEVEL_DEBUG, | |
1619 | "did not acknowledge association response"); | |
1620 | return; | |
1621 | } | |
1622 | ||
1623 | if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_resp) : | |
1624 | sizeof(mgmt->u.assoc_resp))) { | |
1625 | printf("handle_assoc_cb(reassoc=%d) - too short payload " | |
1626 | "(len=%lu)\n", reassoc, (unsigned long) len); | |
1627 | return; | |
1628 | } | |
1629 | ||
1630 | if (reassoc) | |
1631 | status = le_to_host16(mgmt->u.reassoc_resp.status_code); | |
1632 | else | |
1633 | status = le_to_host16(mgmt->u.assoc_resp.status_code); | |
1634 | ||
1635 | sta = ap_get_sta(hapd, mgmt->da); | |
1636 | if (!sta) { | |
1637 | printf("handle_assoc_cb: STA " MACSTR " not found\n", | |
1638 | MAC2STR(mgmt->da)); | |
1639 | return; | |
1640 | } | |
1641 | ||
1642 | if (status != WLAN_STATUS_SUCCESS) | |
1643 | goto fail; | |
1644 | ||
1645 | /* Stop previous accounting session, if one is started, and allocate | |
1646 | * new session id for the new session. */ | |
1647 | accounting_sta_stop(hapd, sta); | |
6fc6879b JM |
1648 | |
1649 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
1650 | HOSTAPD_LEVEL_INFO, | |
2fc98d02 JM |
1651 | "associated (aid %d)", |
1652 | sta->aid); | |
6fc6879b JM |
1653 | |
1654 | if (sta->flags & WLAN_STA_ASSOC) | |
1655 | new_assoc = 0; | |
1656 | sta->flags |= WLAN_STA_ASSOC; | |
515cf93f JM |
1657 | if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) { |
1658 | /* Open or static WEP; no separate authorization */ | |
1659 | sta->flags |= WLAN_STA_AUTHORIZED; | |
20bd9547 JM |
1660 | wpa_msg(hapd->msg_ctx, MSG_INFO, |
1661 | AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr)); | |
515cf93f | 1662 | } |
6fc6879b JM |
1663 | |
1664 | if (reassoc) | |
1665 | mlme_reassociate_indication(hapd, sta); | |
1666 | else | |
1667 | mlme_associate_indication(hapd, sta); | |
1668 | ||
de9289c8 | 1669 | #ifdef CONFIG_IEEE80211N |
37d8922e JM |
1670 | if (sta->flags & WLAN_STA_HT) { |
1671 | ht_cap_ptr = &ht_cap; | |
1672 | hostapd_get_ht_capab(hapd, &sta->ht_capabilities, ht_cap_ptr); | |
1673 | } | |
de9289c8 JM |
1674 | #endif /* CONFIG_IEEE80211N */ |
1675 | ||
5d22a1d5 | 1676 | #ifdef CONFIG_IEEE80211W |
93b76319 | 1677 | sta->sa_query_timed_out = 0; |
5d22a1d5 JM |
1678 | #endif /* CONFIG_IEEE80211W */ |
1679 | ||
c140a228 JM |
1680 | /* |
1681 | * Remove the STA entry in order to make sure the STA PS state gets | |
1682 | * cleared and configuration gets updated in case of reassociation back | |
1683 | * to the same AP. | |
1684 | */ | |
1685 | hostapd_sta_remove(hapd, sta->addr); | |
1686 | ||
6fc6879b JM |
1687 | if (hostapd_sta_add(hapd->conf->iface, hapd, sta->addr, sta->aid, |
1688 | sta->capability, sta->supported_rates, | |
de9289c8 | 1689 | sta->supported_rates_len, 0, sta->listen_interval, |
37d8922e | 1690 | ht_cap_ptr)) |
dc366e8e | 1691 | { |
6fc6879b JM |
1692 | hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, |
1693 | HOSTAPD_LEVEL_NOTICE, | |
1694 | "Could not add STA to kernel driver"); | |
1695 | } | |
1696 | ||
1697 | if (sta->eapol_sm == NULL) { | |
1698 | /* | |
1699 | * This STA does not use RADIUS server for EAP authentication, | |
1700 | * so bind it to the selected VLAN interface now, since the | |
1701 | * interface selection is not going to change anymore. | |
1702 | */ | |
1703 | ap_sta_bind_vlan(hapd, sta, 0); | |
1704 | } else if (sta->vlan_id) { | |
1705 | /* VLAN ID already set (e.g., by PMKSA caching), so bind STA */ | |
1706 | ap_sta_bind_vlan(hapd, sta, 0); | |
1707 | } | |
eddd8010 JM |
1708 | |
1709 | set_flags = WLAN_STA_SHORT_PREAMBLE | WLAN_STA_WMM | WLAN_STA_MFP; | |
8077a800 JM |
1710 | if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && |
1711 | sta->flags & WLAN_STA_AUTHORIZED) | |
1712 | set_flags |= WLAN_STA_AUTHORIZED; | |
eddd8010 JM |
1713 | flags_or = sta->flags & set_flags; |
1714 | flags_and = sta->flags | ~set_flags; | |
1715 | hostapd_sta_set_flags(hapd, sta->addr, sta->flags, | |
1716 | flags_or, flags_and); | |
6fc6879b JM |
1717 | |
1718 | if (sta->auth_alg == WLAN_AUTH_FT) | |
1719 | wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT); | |
1720 | else | |
1721 | wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); | |
1722 | hostapd_new_assoc_sta(hapd, sta, !new_assoc); | |
1723 | ||
1724 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); | |
1725 | ||
1726 | fail: | |
1727 | /* Copy of the association request is not needed anymore */ | |
1728 | if (sta->last_assoc_req) { | |
1729 | os_free(sta->last_assoc_req); | |
1730 | sta->last_assoc_req = NULL; | |
1731 | } | |
1732 | } | |
1733 | ||
1734 | ||
1c6e69cc JM |
1735 | /** |
1736 | * ieee802_11_mgmt_cb - Process management frame TX status callback | |
1737 | * @hapd: hostapd BSS data structure (the BSS from which the management frame | |
1738 | * was sent from) | |
1739 | * @buf: management frame data (starting from IEEE 802.11 header) | |
1740 | * @len: length of frame data in octets | |
1741 | * @stype: management frame subtype from frame control field | |
1742 | * @ok: Whether the frame was ACK'ed | |
1743 | */ | |
6fc6879b JM |
1744 | void ieee802_11_mgmt_cb(struct hostapd_data *hapd, u8 *buf, size_t len, |
1745 | u16 stype, int ok) | |
1746 | { | |
1747 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) buf; | |
1748 | ||
1749 | switch (stype) { | |
1750 | case WLAN_FC_STYPE_AUTH: | |
1751 | wpa_printf(MSG_DEBUG, "mgmt::auth cb"); | |
1752 | handle_auth_cb(hapd, mgmt, len, ok); | |
1753 | break; | |
1754 | case WLAN_FC_STYPE_ASSOC_RESP: | |
1755 | wpa_printf(MSG_DEBUG, "mgmt::assoc_resp cb"); | |
1756 | handle_assoc_cb(hapd, mgmt, len, 0, ok); | |
1757 | break; | |
1758 | case WLAN_FC_STYPE_REASSOC_RESP: | |
1759 | wpa_printf(MSG_DEBUG, "mgmt::reassoc_resp cb"); | |
1760 | handle_assoc_cb(hapd, mgmt, len, 1, ok); | |
1761 | break; | |
1762 | case WLAN_FC_STYPE_PROBE_RESP: | |
1763 | wpa_printf(MSG_DEBUG, "mgmt::proberesp cb"); | |
1764 | break; | |
1765 | case WLAN_FC_STYPE_DEAUTH: | |
1766 | /* ignore */ | |
1767 | break; | |
5d22a1d5 JM |
1768 | case WLAN_FC_STYPE_ACTION: |
1769 | wpa_printf(MSG_DEBUG, "mgmt::action cb"); | |
1770 | break; | |
6fc6879b JM |
1771 | default: |
1772 | printf("unknown mgmt cb frame subtype %d\n", stype); | |
1773 | break; | |
1774 | } | |
1775 | } | |
1776 | ||
1777 | ||
6fc6879b JM |
1778 | int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen) |
1779 | { | |
1780 | /* TODO */ | |
1781 | return 0; | |
1782 | } | |
1783 | ||
1784 | ||
1785 | int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta, | |
1786 | char *buf, size_t buflen) | |
1787 | { | |
1788 | /* TODO */ | |
1789 | return 0; | |
1790 | } | |
1791 | ||
1792 | #endif /* CONFIG_NATIVE_WINDOWS */ |