1 /*
2 * hostapd / WPA authenticator glue code
3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "common/ieee802_11_defs.h"
13 #include "common/sae.h"
14 #include "eapol_auth/eapol_auth_sm.h"
15 #include "eapol_auth/eapol_auth_sm_i.h"
16 #include "eap_server/eap.h"
17 #include "l2_packet/l2_packet.h"
18 #include "drivers/driver.h"
19 #include "hostapd.h"
20 #include "ieee802_1x.h"
21 #include "preauth_auth.h"
22 #include "sta_info.h"
23 #include "tkip_countermeasures.h"
24 #include "ap_drv_ops.h"
25 #include "ap_config.h"
26 #include "wpa_auth.h"
27 #include "wpa_auth_glue.h"
28
29
hostapd_wpa_auth_conf(struct hostapd_bss_config * conf,struct hostapd_config * iconf,struct wpa_auth_config * wconf)30 static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
31 struct hostapd_config *iconf,
32 struct wpa_auth_config *wconf)
33 {
34 os_memset(wconf, 0, sizeof(*wconf));
35 wconf->wpa = conf->wpa;
36 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
37 wconf->wpa_pairwise = conf->wpa_pairwise;
38 wconf->wpa_group = conf->wpa_group;
39 wconf->wpa_group_rekey = conf->wpa_group_rekey;
40 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
41 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
42 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
43 wconf->rsn_pairwise = conf->rsn_pairwise;
44 wconf->rsn_preauth = conf->rsn_preauth;
45 wconf->eapol_version = conf->eapol_version;
46 wconf->peerkey = conf->peerkey;
47 wconf->wmm_enabled = conf->wmm_enabled;
48 wconf->wmm_uapsd = conf->wmm_uapsd;
49 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
50 wconf->okc = conf->okc;
51 #ifdef CONFIG_IEEE80211W
52 wconf->ieee80211w = conf->ieee80211w;
53 #endif /* CONFIG_IEEE80211W */
54 #ifdef CONFIG_IEEE80211R
55 wconf->ssid_len = conf->ssid.ssid_len;
56 if (wconf->ssid_len > SSID_LEN)
57 wconf->ssid_len = SSID_LEN;
58 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
59 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
60 MOBILITY_DOMAIN_ID_LEN);
61 if (conf->nas_identifier &&
62 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
63 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
64 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
65 wconf->r0_key_holder_len);
66 }
67 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
68 wconf->r0_key_lifetime = conf->r0_key_lifetime;
69 wconf->reassociation_deadline = conf->reassociation_deadline;
70 wconf->r0kh_list = conf->r0kh_list;
71 wconf->r1kh_list = conf->r1kh_list;
72 wconf->pmk_r1_push = conf->pmk_r1_push;
73 wconf->ft_over_ds = conf->ft_over_ds;
74 #endif /* CONFIG_IEEE80211R */
75 #ifdef CONFIG_HS20
76 wconf->disable_gtk = conf->disable_dgaf;
77 #endif /* CONFIG_HS20 */
78 #ifdef CONFIG_TESTING_OPTIONS
79 wconf->corrupt_gtk_rekey_mic_probability =
80 iconf->corrupt_gtk_rekey_mic_probability;
81 #endif /* CONFIG_TESTING_OPTIONS */
82 }
83
84
hostapd_wpa_auth_logger(void * ctx,const u8 * addr,logger_level level,const char * txt)85 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
86 logger_level level, const char *txt)
87 {
88 #ifndef CONFIG_NO_HOSTAPD_LOGGER
89 struct hostapd_data *hapd = ctx;
90 int hlevel;
91
92 switch (level) {
93 case LOGGER_WARNING:
94 hlevel = HOSTAPD_LEVEL_WARNING;
95 break;
96 case LOGGER_INFO:
97 hlevel = HOSTAPD_LEVEL_INFO;
98 break;
99 case LOGGER_DEBUG:
100 default:
101 hlevel = HOSTAPD_LEVEL_DEBUG;
102 break;
103 }
104
105 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
106 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
107 }
108
109
hostapd_wpa_auth_disconnect(void * ctx,const u8 * addr,u16 reason)110 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
111 u16 reason)
112 {
113 struct hostapd_data *hapd = ctx;
114 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
115 "STA " MACSTR " reason %d",
116 __func__, MAC2STR(addr), reason);
117 ap_sta_disconnect(hapd, NULL, addr, reason);
118 }
119
120
hostapd_wpa_auth_mic_failure_report(void * ctx,const u8 * addr)121 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
122 {
123 struct hostapd_data *hapd = ctx;
124 return michael_mic_failure(hapd, addr, 0);
125 }
126
127
hostapd_wpa_auth_set_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var,int value)128 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
129 wpa_eapol_variable var, int value)
130 {
131 struct hostapd_data *hapd = ctx;
132 struct sta_info *sta = ap_get_sta(hapd, addr);
133 if (sta == NULL)
134 return;
135 switch (var) {
136 case WPA_EAPOL_portEnabled:
137 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
138 break;
139 case WPA_EAPOL_portValid:
140 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
141 break;
142 case WPA_EAPOL_authorized:
143 ieee802_1x_set_sta_authorized(hapd, sta, value);
144 break;
145 case WPA_EAPOL_portControl_Auto:
146 if (sta->eapol_sm)
147 sta->eapol_sm->portControl = Auto;
148 break;
149 case WPA_EAPOL_keyRun:
150 if (sta->eapol_sm)
151 sta->eapol_sm->keyRun = value ? TRUE : FALSE;
152 break;
153 case WPA_EAPOL_keyAvailable:
154 if (sta->eapol_sm)
155 sta->eapol_sm->eap_if->eapKeyAvailable =
156 value ? TRUE : FALSE;
157 break;
158 case WPA_EAPOL_keyDone:
159 if (sta->eapol_sm)
160 sta->eapol_sm->keyDone = value ? TRUE : FALSE;
161 break;
162 case WPA_EAPOL_inc_EapolFramesTx:
163 if (sta->eapol_sm)
164 sta->eapol_sm->dot1xAuthEapolFramesTx++;
165 break;
166 }
167 }
168
169
hostapd_wpa_auth_get_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var)170 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
171 wpa_eapol_variable var)
172 {
173 struct hostapd_data *hapd = ctx;
174 struct sta_info *sta = ap_get_sta(hapd, addr);
175 if (sta == NULL || sta->eapol_sm == NULL)
176 return -1;
177 switch (var) {
178 case WPA_EAPOL_keyRun:
179 return sta->eapol_sm->keyRun;
180 case WPA_EAPOL_keyAvailable:
181 return sta->eapol_sm->eap_if->eapKeyAvailable;
182 default:
183 return -1;
184 }
185 }
186
187
hostapd_wpa_auth_get_psk(void * ctx,const u8 * addr,const u8 * p2p_dev_addr,const u8 * prev_psk)188 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
189 const u8 *p2p_dev_addr,
190 const u8 *prev_psk)
191 {
192 struct hostapd_data *hapd = ctx;
193 struct sta_info *sta = ap_get_sta(hapd, addr);
194 const u8 *psk;
195
196 #ifdef CONFIG_SAE
197 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
198 if (!sta->sae || prev_psk)
199 return NULL;
200 return sta->sae->pmk;
201 }
202 #endif /* CONFIG_SAE */
203
204 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk);
205 /*
206 * This is about to iterate over all psks, prev_psk gives the last
207 * returned psk which should not be returned again.
208 * logic list (all hostapd_get_psk; all sta->psk)
209 */
210 if (sta && sta->psk && !psk) {
211 struct hostapd_sta_wpa_psk_short *pos;
212 psk = sta->psk->psk;
213 for (pos = sta->psk; pos; pos = pos->next) {
214 if (pos->psk == prev_psk) {
215 psk = pos->next ? pos->next->psk : NULL;
216 break;
217 }
218 }
219 }
220 return psk;
221 }
222
223
hostapd_wpa_auth_get_msk(void * ctx,const u8 * addr,u8 * msk,size_t * len)224 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
225 size_t *len)
226 {
227 struct hostapd_data *hapd = ctx;
228 const u8 *key;
229 size_t keylen;
230 struct sta_info *sta;
231
232 sta = ap_get_sta(hapd, addr);
233 if (sta == NULL)
234 return -1;
235
236 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
237 if (key == NULL)
238 return -1;
239
240 if (keylen > *len)
241 keylen = *len;
242 os_memcpy(msk, key, keylen);
243 *len = keylen;
244
245 return 0;
246 }
247
248
hostapd_wpa_auth_set_key(void * ctx,int vlan_id,enum wpa_alg alg,const u8 * addr,int idx,u8 * key,size_t key_len)249 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
250 const u8 *addr, int idx, u8 *key,
251 size_t key_len)
252 {
253 struct hostapd_data *hapd = ctx;
254 const char *ifname = hapd->conf->iface;
255
256 if (vlan_id > 0) {
257 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
258 if (ifname == NULL)
259 return -1;
260 }
261
262 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0,
263 key, key_len);
264 }
265
266
hostapd_wpa_auth_get_seqnum(void * ctx,const u8 * addr,int idx,u8 * seq)267 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
268 u8 *seq)
269 {
270 struct hostapd_data *hapd = ctx;
271 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
272 }
273
274
hostapd_wpa_auth_send_eapol(void * ctx,const u8 * addr,const u8 * data,size_t data_len,int encrypt)275 static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
276 const u8 *data, size_t data_len,
277 int encrypt)
278 {
279 struct hostapd_data *hapd = ctx;
280 struct sta_info *sta;
281 u32 flags = 0;
282
283 sta = ap_get_sta(hapd, addr);
284 if (sta)
285 flags = hostapd_sta_flags_to_drv(sta->flags);
286
287 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
288 encrypt, flags);
289 }
290
291
hostapd_wpa_auth_for_each_sta(void * ctx,int (* cb)(struct wpa_state_machine * sm,void * ctx),void * cb_ctx)292 static int hostapd_wpa_auth_for_each_sta(
293 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
294 void *cb_ctx)
295 {
296 struct hostapd_data *hapd = ctx;
297 struct sta_info *sta;
298
299 for (sta = hapd->sta_list; sta; sta = sta->next) {
300 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
301 return 1;
302 }
303 return 0;
304 }
305
306
307 struct wpa_auth_iface_iter_data {
308 int (*cb)(struct wpa_authenticator *sm, void *ctx);
309 void *cb_ctx;
310 };
311
wpa_auth_iface_iter(struct hostapd_iface * iface,void * ctx)312 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
313 {
314 struct wpa_auth_iface_iter_data *data = ctx;
315 size_t i;
316 for (i = 0; i < iface->num_bss; i++) {
317 if (iface->bss[i]->wpa_auth &&
318 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
319 return 1;
320 }
321 return 0;
322 }
323
324
hostapd_wpa_auth_for_each_auth(void * ctx,int (* cb)(struct wpa_authenticator * sm,void * ctx),void * cb_ctx)325 static int hostapd_wpa_auth_for_each_auth(
326 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
327 void *cb_ctx)
328 {
329 struct hostapd_data *hapd = ctx;
330 struct wpa_auth_iface_iter_data data;
331 if (hapd->iface->interfaces == NULL ||
332 hapd->iface->interfaces->for_each_interface == NULL)
333 return -1;
334 data.cb = cb;
335 data.cb_ctx = cb_ctx;
336 return hapd->iface->interfaces->for_each_interface(
337 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
338 }
339
340
341 #ifdef CONFIG_IEEE80211R
342
343 struct wpa_auth_ft_iface_iter_data {
344 struct hostapd_data *src_hapd;
345 const u8 *dst;
346 const u8 *data;
347 size_t data_len;
348 };
349
350
hostapd_wpa_auth_ft_iter(struct hostapd_iface * iface,void * ctx)351 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
352 {
353 struct wpa_auth_ft_iface_iter_data *idata = ctx;
354 struct hostapd_data *hapd;
355 size_t j;
356
357 for (j = 0; j < iface->num_bss; j++) {
358 hapd = iface->bss[j];
359 if (hapd == idata->src_hapd)
360 continue;
361 if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) {
362 wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to "
363 "locally managed BSS " MACSTR "@%s -> "
364 MACSTR "@%s",
365 MAC2STR(idata->src_hapd->own_addr),
366 idata->src_hapd->conf->iface,
367 MAC2STR(hapd->own_addr), hapd->conf->iface);
368 wpa_ft_rrb_rx(hapd->wpa_auth,
369 idata->src_hapd->own_addr,
370 idata->data, idata->data_len);
371 return 1;
372 }
373 }
374
375 return 0;
376 }
377
378 #endif /* CONFIG_IEEE80211R */
379
380
hostapd_wpa_auth_send_ether(void * ctx,const u8 * dst,u16 proto,const u8 * data,size_t data_len)381 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
382 const u8 *data, size_t data_len)
383 {
384 struct hostapd_data *hapd = ctx;
385 struct l2_ethhdr *buf;
386 int ret;
387
388 #ifdef CONFIG_IEEE80211R
389 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
390 hapd->iface->interfaces->for_each_interface) {
391 int res;
392 struct wpa_auth_ft_iface_iter_data idata;
393 idata.src_hapd = hapd;
394 idata.dst = dst;
395 idata.data = data;
396 idata.data_len = data_len;
397 res = hapd->iface->interfaces->for_each_interface(
398 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
399 &idata);
400 if (res == 1)
401 return data_len;
402 }
403 #endif /* CONFIG_IEEE80211R */
404
405 if (hapd->driver && hapd->driver->send_ether)
406 return hapd->driver->send_ether(hapd->drv_priv, dst,
407 hapd->own_addr, proto,
408 data, data_len);
409 if (hapd->l2 == NULL)
410 return -1;
411
412 buf = os_malloc(sizeof(*buf) + data_len);
413 if (buf == NULL)
414 return -1;
415 os_memcpy(buf->h_dest, dst, ETH_ALEN);
416 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
417 buf->h_proto = host_to_be16(proto);
418 os_memcpy(buf + 1, data, data_len);
419 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
420 sizeof(*buf) + data_len);
421 os_free(buf);
422 return ret;
423 }
424
425
426 #ifdef CONFIG_IEEE80211R
427
hostapd_wpa_auth_send_ft_action(void * ctx,const u8 * dst,const u8 * data,size_t data_len)428 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
429 const u8 *data, size_t data_len)
430 {
431 struct hostapd_data *hapd = ctx;
432 int res;
433 struct ieee80211_mgmt *m;
434 size_t mlen;
435 struct sta_info *sta;
436
437 sta = ap_get_sta(hapd, dst);
438 if (sta == NULL || sta->wpa_sm == NULL)
439 return -1;
440
441 m = os_zalloc(sizeof(*m) + data_len);
442 if (m == NULL)
443 return -1;
444 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
445 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
446 WLAN_FC_STYPE_ACTION);
447 os_memcpy(m->da, dst, ETH_ALEN);
448 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
449 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
450 os_memcpy(&m->u, data, data_len);
451
452 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0);
453 os_free(m);
454 return res;
455 }
456
457
458 static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void * ctx,const u8 * sta_addr)459 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
460 {
461 struct hostapd_data *hapd = ctx;
462 struct sta_info *sta;
463
464 if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0)
465 return NULL;
466
467 sta = ap_sta_add(hapd, sta_addr);
468 if (sta == NULL)
469 return NULL;
470 if (sta->wpa_sm) {
471 sta->auth_alg = WLAN_AUTH_FT;
472 return sta->wpa_sm;
473 }
474
475 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
476 if (sta->wpa_sm == NULL) {
477 ap_free_sta(hapd, sta);
478 return NULL;
479 }
480 sta->auth_alg = WLAN_AUTH_FT;
481
482 return sta->wpa_sm;
483 }
484
485
hostapd_rrb_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)486 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
487 size_t len)
488 {
489 struct hostapd_data *hapd = ctx;
490 struct l2_ethhdr *ethhdr;
491 if (len < sizeof(*ethhdr))
492 return;
493 ethhdr = (struct l2_ethhdr *) buf;
494 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
495 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
496 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
497 len - sizeof(*ethhdr));
498 }
499
500
hostapd_wpa_auth_add_tspec(void * ctx,const u8 * sta_addr,u8 * tspec_ie,size_t tspec_ielen)501 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
502 u8 *tspec_ie, size_t tspec_ielen)
503 {
504 struct hostapd_data *hapd = ctx;
505 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
506 }
507
508 #endif /* CONFIG_IEEE80211R */
509
510
hostapd_setup_wpa(struct hostapd_data * hapd)511 int hostapd_setup_wpa(struct hostapd_data *hapd)
512 {
513 struct wpa_auth_config _conf;
514 struct wpa_auth_callbacks cb;
515 const u8 *wpa_ie;
516 size_t wpa_ie_len;
517
518 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
519 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
520 _conf.tx_status = 1;
521 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
522 _conf.ap_mlme = 1;
523 os_memset(&cb, 0, sizeof(cb));
524 cb.ctx = hapd;
525 cb.logger = hostapd_wpa_auth_logger;
526 cb.disconnect = hostapd_wpa_auth_disconnect;
527 cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report;
528 cb.set_eapol = hostapd_wpa_auth_set_eapol;
529 cb.get_eapol = hostapd_wpa_auth_get_eapol;
530 cb.get_psk = hostapd_wpa_auth_get_psk;
531 cb.get_msk = hostapd_wpa_auth_get_msk;
532 cb.set_key = hostapd_wpa_auth_set_key;
533 cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
534 cb.send_eapol = hostapd_wpa_auth_send_eapol;
535 cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
536 cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
537 cb.send_ether = hostapd_wpa_auth_send_ether;
538 #ifdef CONFIG_IEEE80211R
539 cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
540 cb.add_sta = hostapd_wpa_auth_add_sta;
541 cb.add_tspec = hostapd_wpa_auth_add_tspec;
542 #endif /* CONFIG_IEEE80211R */
543 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
544 if (hapd->wpa_auth == NULL) {
545 wpa_printf(MSG_ERROR, "WPA initialization failed.");
546 return -1;
547 }
548
549 if (hostapd_set_privacy(hapd, 1)) {
550 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
551 "for interface %s", hapd->conf->iface);
552 return -1;
553 }
554
555 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
556 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
557 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
558 "the kernel driver.");
559 return -1;
560 }
561
562 if (rsn_preauth_iface_init(hapd)) {
563 wpa_printf(MSG_ERROR, "Initialization of RSN "
564 "pre-authentication failed.");
565 return -1;
566 }
567
568 #ifdef CONFIG_IEEE80211R
569 if (!hostapd_drv_none(hapd)) {
570 hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ?
571 hapd->conf->bridge :
572 hapd->conf->iface, NULL, ETH_P_RRB,
573 hostapd_rrb_receive, hapd, 1);
574 if (hapd->l2 == NULL &&
575 (hapd->driver == NULL ||
576 hapd->driver->send_ether == NULL)) {
577 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
578 "interface");
579 return -1;
580 }
581 }
582 #endif /* CONFIG_IEEE80211R */
583
584 return 0;
585
586 }
587
588
hostapd_reconfig_wpa(struct hostapd_data * hapd)589 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
590 {
591 struct wpa_auth_config wpa_auth_conf;
592 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
593 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
594 }
595
596
hostapd_deinit_wpa(struct hostapd_data * hapd)597 void hostapd_deinit_wpa(struct hostapd_data *hapd)
598 {
599 ieee80211_tkip_countermeasures_deinit(hapd);
600 rsn_preauth_iface_deinit(hapd);
601 if (hapd->wpa_auth) {
602 wpa_deinit(hapd->wpa_auth);
603 hapd->wpa_auth = NULL;
604
605 if (hostapd_set_privacy(hapd, 0)) {
606 wpa_printf(MSG_DEBUG, "Could not disable "
607 "PrivacyInvoked for interface %s",
608 hapd->conf->iface);
609 }
610
611 if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
612 wpa_printf(MSG_DEBUG, "Could not remove generic "
613 "information element from interface %s",
614 hapd->conf->iface);
615 }
616 }
617 ieee802_1x_deinit(hapd);
618
619 #ifdef CONFIG_IEEE80211R
620 l2_packet_deinit(hapd->l2);
621 #endif /* CONFIG_IEEE80211R */
622 }
623