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 "hostapd.h"
19 #include "ieee802_1x.h"
20 #include "preauth_auth.h"
21 #include "sta_info.h"
22 #include "tkip_countermeasures.h"
23 #include "ap_drv_ops.h"
24 #include "ap_config.h"
25 #include "wpa_auth.h"
26 #include "wpa_auth_glue.h"
27
28
hostapd_wpa_auth_conf(struct hostapd_bss_config * conf,struct hostapd_config * iconf,struct wpa_auth_config * wconf)29 static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
30 struct hostapd_config *iconf,
31 struct wpa_auth_config *wconf)
32 {
33 os_memset(wconf, 0, sizeof(*wconf));
34 wconf->wpa = conf->wpa;
35 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
36 wconf->wpa_pairwise = conf->wpa_pairwise;
37 wconf->wpa_group = conf->wpa_group;
38 wconf->wpa_group_rekey = conf->wpa_group_rekey;
39 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
40 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
41 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
42 wconf->rsn_pairwise = conf->rsn_pairwise;
43 wconf->rsn_preauth = conf->rsn_preauth;
44 wconf->eapol_version = conf->eapol_version;
45 wconf->peerkey = conf->peerkey;
46 wconf->wmm_enabled = conf->wmm_enabled;
47 wconf->wmm_uapsd = conf->wmm_uapsd;
48 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
49 wconf->okc = conf->okc;
50 #ifdef CONFIG_IEEE80211W
51 wconf->ieee80211w = conf->ieee80211w;
52 wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
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 if (conf->osen) {
78 wconf->disable_gtk = 1;
79 wconf->wpa = WPA_PROTO_OSEN;
80 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
81 wconf->wpa_pairwise = 0;
82 wconf->wpa_group = WPA_CIPHER_CCMP;
83 wconf->rsn_pairwise = WPA_CIPHER_CCMP;
84 wconf->rsn_preauth = 0;
85 wconf->disable_pmksa_caching = 1;
86 #ifdef CONFIG_IEEE80211W
87 wconf->ieee80211w = 1;
88 #endif /* CONFIG_IEEE80211W */
89 }
90 #endif /* CONFIG_HS20 */
91 #ifdef CONFIG_TESTING_OPTIONS
92 wconf->corrupt_gtk_rekey_mic_probability =
93 iconf->corrupt_gtk_rekey_mic_probability;
94 #endif /* CONFIG_TESTING_OPTIONS */
95 #ifdef CONFIG_P2P
96 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
97 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
98 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
99 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
100 #endif /* CONFIG_P2P */
101 }
102
103
hostapd_wpa_auth_logger(void * ctx,const u8 * addr,logger_level level,const char * txt)104 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
105 logger_level level, const char *txt)
106 {
107 #ifndef CONFIG_NO_HOSTAPD_LOGGER
108 struct hostapd_data *hapd = ctx;
109 int hlevel;
110
111 switch (level) {
112 case LOGGER_WARNING:
113 hlevel = HOSTAPD_LEVEL_WARNING;
114 break;
115 case LOGGER_INFO:
116 hlevel = HOSTAPD_LEVEL_INFO;
117 break;
118 case LOGGER_DEBUG:
119 default:
120 hlevel = HOSTAPD_LEVEL_DEBUG;
121 break;
122 }
123
124 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
125 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
126 }
127
128
hostapd_wpa_auth_disconnect(void * ctx,const u8 * addr,u16 reason)129 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
130 u16 reason)
131 {
132 struct hostapd_data *hapd = ctx;
133 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
134 "STA " MACSTR " reason %d",
135 __func__, MAC2STR(addr), reason);
136 ap_sta_disconnect(hapd, NULL, addr, reason);
137 }
138
139
hostapd_wpa_auth_mic_failure_report(void * ctx,const u8 * addr)140 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
141 {
142 struct hostapd_data *hapd = ctx;
143 return michael_mic_failure(hapd, addr, 0);
144 }
145
146
hostapd_wpa_auth_set_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var,int value)147 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
148 wpa_eapol_variable var, int value)
149 {
150 struct hostapd_data *hapd = ctx;
151 struct sta_info *sta = ap_get_sta(hapd, addr);
152 if (sta == NULL)
153 return;
154 switch (var) {
155 case WPA_EAPOL_portEnabled:
156 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
157 break;
158 case WPA_EAPOL_portValid:
159 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
160 break;
161 case WPA_EAPOL_authorized:
162 ieee802_1x_set_sta_authorized(hapd, sta, value);
163 break;
164 case WPA_EAPOL_portControl_Auto:
165 if (sta->eapol_sm)
166 sta->eapol_sm->portControl = Auto;
167 break;
168 case WPA_EAPOL_keyRun:
169 if (sta->eapol_sm)
170 sta->eapol_sm->keyRun = value ? TRUE : FALSE;
171 break;
172 case WPA_EAPOL_keyAvailable:
173 if (sta->eapol_sm)
174 sta->eapol_sm->eap_if->eapKeyAvailable =
175 value ? TRUE : FALSE;
176 break;
177 case WPA_EAPOL_keyDone:
178 if (sta->eapol_sm)
179 sta->eapol_sm->keyDone = value ? TRUE : FALSE;
180 break;
181 case WPA_EAPOL_inc_EapolFramesTx:
182 if (sta->eapol_sm)
183 sta->eapol_sm->dot1xAuthEapolFramesTx++;
184 break;
185 }
186 }
187
188
hostapd_wpa_auth_get_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var)189 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
190 wpa_eapol_variable var)
191 {
192 struct hostapd_data *hapd = ctx;
193 struct sta_info *sta = ap_get_sta(hapd, addr);
194 if (sta == NULL || sta->eapol_sm == NULL)
195 return -1;
196 switch (var) {
197 case WPA_EAPOL_keyRun:
198 return sta->eapol_sm->keyRun;
199 case WPA_EAPOL_keyAvailable:
200 return sta->eapol_sm->eap_if->eapKeyAvailable;
201 default:
202 return -1;
203 }
204 }
205
206
hostapd_wpa_auth_get_psk(void * ctx,const u8 * addr,const u8 * p2p_dev_addr,const u8 * prev_psk)207 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
208 const u8 *p2p_dev_addr,
209 const u8 *prev_psk)
210 {
211 struct hostapd_data *hapd = ctx;
212 struct sta_info *sta = ap_get_sta(hapd, addr);
213 const u8 *psk;
214
215 #ifdef CONFIG_SAE
216 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
217 if (!sta->sae || prev_psk)
218 return NULL;
219 return sta->sae->pmk;
220 }
221 #endif /* CONFIG_SAE */
222
223 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk);
224 /*
225 * This is about to iterate over all psks, prev_psk gives the last
226 * returned psk which should not be returned again.
227 * logic list (all hostapd_get_psk; all sta->psk)
228 */
229 if (sta && sta->psk && !psk) {
230 struct hostapd_sta_wpa_psk_short *pos;
231 psk = sta->psk->psk;
232 for (pos = sta->psk; pos; pos = pos->next) {
233 if (pos->psk == prev_psk) {
234 psk = pos->next ? pos->next->psk : NULL;
235 break;
236 }
237 }
238 }
239 return psk;
240 }
241
242
hostapd_wpa_auth_get_msk(void * ctx,const u8 * addr,u8 * msk,size_t * len)243 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
244 size_t *len)
245 {
246 struct hostapd_data *hapd = ctx;
247 const u8 *key;
248 size_t keylen;
249 struct sta_info *sta;
250
251 sta = ap_get_sta(hapd, addr);
252 if (sta == NULL)
253 return -1;
254
255 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
256 if (key == NULL)
257 return -1;
258
259 if (keylen > *len)
260 keylen = *len;
261 os_memcpy(msk, key, keylen);
262 *len = keylen;
263
264 return 0;
265 }
266
267
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)268 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
269 const u8 *addr, int idx, u8 *key,
270 size_t key_len)
271 {
272 struct hostapd_data *hapd = ctx;
273 const char *ifname = hapd->conf->iface;
274
275 if (vlan_id > 0) {
276 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
277 if (ifname == NULL)
278 return -1;
279 }
280
281 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0,
282 key, key_len);
283 }
284
285
hostapd_wpa_auth_get_seqnum(void * ctx,const u8 * addr,int idx,u8 * seq)286 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
287 u8 *seq)
288 {
289 struct hostapd_data *hapd = ctx;
290 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
291 }
292
293
hostapd_wpa_auth_send_eapol(void * ctx,const u8 * addr,const u8 * data,size_t data_len,int encrypt)294 static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
295 const u8 *data, size_t data_len,
296 int encrypt)
297 {
298 struct hostapd_data *hapd = ctx;
299 struct sta_info *sta;
300 u32 flags = 0;
301
302 sta = ap_get_sta(hapd, addr);
303 if (sta)
304 flags = hostapd_sta_flags_to_drv(sta->flags);
305
306 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
307 encrypt, flags);
308 }
309
310
hostapd_wpa_auth_for_each_sta(void * ctx,int (* cb)(struct wpa_state_machine * sm,void * ctx),void * cb_ctx)311 static int hostapd_wpa_auth_for_each_sta(
312 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
313 void *cb_ctx)
314 {
315 struct hostapd_data *hapd = ctx;
316 struct sta_info *sta;
317
318 for (sta = hapd->sta_list; sta; sta = sta->next) {
319 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
320 return 1;
321 }
322 return 0;
323 }
324
325
326 struct wpa_auth_iface_iter_data {
327 int (*cb)(struct wpa_authenticator *sm, void *ctx);
328 void *cb_ctx;
329 };
330
wpa_auth_iface_iter(struct hostapd_iface * iface,void * ctx)331 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
332 {
333 struct wpa_auth_iface_iter_data *data = ctx;
334 size_t i;
335 for (i = 0; i < iface->num_bss; i++) {
336 if (iface->bss[i]->wpa_auth &&
337 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
338 return 1;
339 }
340 return 0;
341 }
342
343
hostapd_wpa_auth_for_each_auth(void * ctx,int (* cb)(struct wpa_authenticator * sm,void * ctx),void * cb_ctx)344 static int hostapd_wpa_auth_for_each_auth(
345 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
346 void *cb_ctx)
347 {
348 struct hostapd_data *hapd = ctx;
349 struct wpa_auth_iface_iter_data data;
350 if (hapd->iface->interfaces == NULL ||
351 hapd->iface->interfaces->for_each_interface == NULL)
352 return -1;
353 data.cb = cb;
354 data.cb_ctx = cb_ctx;
355 return hapd->iface->interfaces->for_each_interface(
356 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
357 }
358
359
360 #ifdef CONFIG_IEEE80211R
361
362 struct wpa_auth_ft_iface_iter_data {
363 struct hostapd_data *src_hapd;
364 const u8 *dst;
365 const u8 *data;
366 size_t data_len;
367 };
368
369
hostapd_wpa_auth_ft_iter(struct hostapd_iface * iface,void * ctx)370 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
371 {
372 struct wpa_auth_ft_iface_iter_data *idata = ctx;
373 struct hostapd_data *hapd;
374 size_t j;
375
376 for (j = 0; j < iface->num_bss; j++) {
377 hapd = iface->bss[j];
378 if (hapd == idata->src_hapd)
379 continue;
380 if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) {
381 wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to "
382 "locally managed BSS " MACSTR "@%s -> "
383 MACSTR "@%s",
384 MAC2STR(idata->src_hapd->own_addr),
385 idata->src_hapd->conf->iface,
386 MAC2STR(hapd->own_addr), hapd->conf->iface);
387 wpa_ft_rrb_rx(hapd->wpa_auth,
388 idata->src_hapd->own_addr,
389 idata->data, idata->data_len);
390 return 1;
391 }
392 }
393
394 return 0;
395 }
396
397 #endif /* CONFIG_IEEE80211R */
398
399
hostapd_wpa_auth_send_ether(void * ctx,const u8 * dst,u16 proto,const u8 * data,size_t data_len)400 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
401 const u8 *data, size_t data_len)
402 {
403 struct hostapd_data *hapd = ctx;
404 struct l2_ethhdr *buf;
405 int ret;
406
407 #ifdef CONFIG_IEEE80211R
408 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
409 hapd->iface->interfaces->for_each_interface) {
410 int res;
411 struct wpa_auth_ft_iface_iter_data idata;
412 idata.src_hapd = hapd;
413 idata.dst = dst;
414 idata.data = data;
415 idata.data_len = data_len;
416 res = hapd->iface->interfaces->for_each_interface(
417 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
418 &idata);
419 if (res == 1)
420 return data_len;
421 }
422 #endif /* CONFIG_IEEE80211R */
423
424 if (hapd->driver && hapd->driver->send_ether)
425 return hapd->driver->send_ether(hapd->drv_priv, dst,
426 hapd->own_addr, proto,
427 data, data_len);
428 if (hapd->l2 == NULL)
429 return -1;
430
431 buf = os_malloc(sizeof(*buf) + data_len);
432 if (buf == NULL)
433 return -1;
434 os_memcpy(buf->h_dest, dst, ETH_ALEN);
435 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
436 buf->h_proto = host_to_be16(proto);
437 os_memcpy(buf + 1, data, data_len);
438 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
439 sizeof(*buf) + data_len);
440 os_free(buf);
441 return ret;
442 }
443
444
445 #ifdef CONFIG_IEEE80211R
446
hostapd_wpa_auth_send_ft_action(void * ctx,const u8 * dst,const u8 * data,size_t data_len)447 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
448 const u8 *data, size_t data_len)
449 {
450 struct hostapd_data *hapd = ctx;
451 int res;
452 struct ieee80211_mgmt *m;
453 size_t mlen;
454 struct sta_info *sta;
455
456 sta = ap_get_sta(hapd, dst);
457 if (sta == NULL || sta->wpa_sm == NULL)
458 return -1;
459
460 m = os_zalloc(sizeof(*m) + data_len);
461 if (m == NULL)
462 return -1;
463 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
464 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
465 WLAN_FC_STYPE_ACTION);
466 os_memcpy(m->da, dst, ETH_ALEN);
467 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
468 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
469 os_memcpy(&m->u, data, data_len);
470
471 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0);
472 os_free(m);
473 return res;
474 }
475
476
477 static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void * ctx,const u8 * sta_addr)478 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
479 {
480 struct hostapd_data *hapd = ctx;
481 struct sta_info *sta;
482
483 if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0)
484 return NULL;
485
486 sta = ap_sta_add(hapd, sta_addr);
487 if (sta == NULL)
488 return NULL;
489 if (sta->wpa_sm) {
490 sta->auth_alg = WLAN_AUTH_FT;
491 return sta->wpa_sm;
492 }
493
494 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
495 if (sta->wpa_sm == NULL) {
496 ap_free_sta(hapd, sta);
497 return NULL;
498 }
499 sta->auth_alg = WLAN_AUTH_FT;
500
501 return sta->wpa_sm;
502 }
503
504
hostapd_rrb_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)505 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
506 size_t len)
507 {
508 struct hostapd_data *hapd = ctx;
509 struct l2_ethhdr *ethhdr;
510 if (len < sizeof(*ethhdr))
511 return;
512 ethhdr = (struct l2_ethhdr *) buf;
513 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
514 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
515 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
516 len - sizeof(*ethhdr));
517 }
518
519
hostapd_wpa_auth_add_tspec(void * ctx,const u8 * sta_addr,u8 * tspec_ie,size_t tspec_ielen)520 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
521 u8 *tspec_ie, size_t tspec_ielen)
522 {
523 struct hostapd_data *hapd = ctx;
524 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
525 }
526
527 #endif /* CONFIG_IEEE80211R */
528
529
hostapd_setup_wpa(struct hostapd_data * hapd)530 int hostapd_setup_wpa(struct hostapd_data *hapd)
531 {
532 struct wpa_auth_config _conf;
533 struct wpa_auth_callbacks cb;
534 const u8 *wpa_ie;
535 size_t wpa_ie_len;
536
537 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
538 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
539 _conf.tx_status = 1;
540 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
541 _conf.ap_mlme = 1;
542 os_memset(&cb, 0, sizeof(cb));
543 cb.ctx = hapd;
544 cb.logger = hostapd_wpa_auth_logger;
545 cb.disconnect = hostapd_wpa_auth_disconnect;
546 cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report;
547 cb.set_eapol = hostapd_wpa_auth_set_eapol;
548 cb.get_eapol = hostapd_wpa_auth_get_eapol;
549 cb.get_psk = hostapd_wpa_auth_get_psk;
550 cb.get_msk = hostapd_wpa_auth_get_msk;
551 cb.set_key = hostapd_wpa_auth_set_key;
552 cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
553 cb.send_eapol = hostapd_wpa_auth_send_eapol;
554 cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
555 cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
556 cb.send_ether = hostapd_wpa_auth_send_ether;
557 #ifdef CONFIG_IEEE80211R
558 cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
559 cb.add_sta = hostapd_wpa_auth_add_sta;
560 cb.add_tspec = hostapd_wpa_auth_add_tspec;
561 #endif /* CONFIG_IEEE80211R */
562 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
563 if (hapd->wpa_auth == NULL) {
564 wpa_printf(MSG_ERROR, "WPA initialization failed.");
565 return -1;
566 }
567
568 if (hostapd_set_privacy(hapd, 1)) {
569 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
570 "for interface %s", hapd->conf->iface);
571 return -1;
572 }
573
574 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
575 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
576 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
577 "the kernel driver.");
578 return -1;
579 }
580
581 if (rsn_preauth_iface_init(hapd)) {
582 wpa_printf(MSG_ERROR, "Initialization of RSN "
583 "pre-authentication failed.");
584 return -1;
585 }
586
587 #ifdef CONFIG_IEEE80211R
588 if (!hostapd_drv_none(hapd)) {
589 hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ?
590 hapd->conf->bridge :
591 hapd->conf->iface, NULL, ETH_P_RRB,
592 hostapd_rrb_receive, hapd, 1);
593 if (hapd->l2 == NULL &&
594 (hapd->driver == NULL ||
595 hapd->driver->send_ether == NULL)) {
596 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
597 "interface");
598 return -1;
599 }
600 }
601 #endif /* CONFIG_IEEE80211R */
602
603 return 0;
604
605 }
606
607
hostapd_reconfig_wpa(struct hostapd_data * hapd)608 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
609 {
610 struct wpa_auth_config wpa_auth_conf;
611 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
612 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
613 }
614
615
hostapd_deinit_wpa(struct hostapd_data * hapd)616 void hostapd_deinit_wpa(struct hostapd_data *hapd)
617 {
618 ieee80211_tkip_countermeasures_deinit(hapd);
619 rsn_preauth_iface_deinit(hapd);
620 if (hapd->wpa_auth) {
621 wpa_deinit(hapd->wpa_auth);
622 hapd->wpa_auth = NULL;
623
624 if (hostapd_set_privacy(hapd, 0)) {
625 wpa_printf(MSG_DEBUG, "Could not disable "
626 "PrivacyInvoked for interface %s",
627 hapd->conf->iface);
628 }
629
630 if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
631 wpa_printf(MSG_DEBUG, "Could not remove generic "
632 "information element from interface %s",
633 hapd->conf->iface);
634 }
635 }
636 ieee802_1x_deinit(hapd);
637
638 #ifdef CONFIG_IEEE80211R
639 l2_packet_deinit(hapd->l2);
640 hapd->l2 = NULL;
641 #endif /* CONFIG_IEEE80211R */
642 }
643