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c442055e JM |
1 | /* |
2 | * hostapd / WPA authenticator glue code | |
7e031850 | 3 | * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> |
c442055e JM |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | */ | |
14 | ||
15 | #include "utils/includes.h" | |
16 | ||
17 | #include "utils/common.h" | |
18 | #include "common/ieee802_11_defs.h" | |
19 | #include "eapol_auth/eapol_auth_sm.h" | |
20 | #include "eapol_auth/eapol_auth_sm_i.h" | |
21 | #include "eap_server/eap.h" | |
22 | #include "l2_packet/l2_packet.h" | |
6e6e8c31 | 23 | #include "drivers/driver.h" |
6226e38d JM |
24 | #include "hostapd.h" |
25 | #include "ieee802_1x.h" | |
26 | #include "preauth_auth.h" | |
27 | #include "sta_info.h" | |
28 | #include "tkip_countermeasures.h" | |
8b06c1ed JM |
29 | #include "ap_drv_ops.h" |
30 | #include "ap_config.h" | |
31 | #include "wpa_auth.h" | |
c442055e JM |
32 | |
33 | ||
34 | static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, | |
35 | struct wpa_auth_config *wconf) | |
36 | { | |
d28b43f6 | 37 | os_memset(wconf, 0, sizeof(*wconf)); |
c442055e JM |
38 | wconf->wpa = conf->wpa; |
39 | wconf->wpa_key_mgmt = conf->wpa_key_mgmt; | |
40 | wconf->wpa_pairwise = conf->wpa_pairwise; | |
41 | wconf->wpa_group = conf->wpa_group; | |
42 | wconf->wpa_group_rekey = conf->wpa_group_rekey; | |
43 | wconf->wpa_strict_rekey = conf->wpa_strict_rekey; | |
44 | wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; | |
45 | wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey; | |
46 | wconf->rsn_pairwise = conf->rsn_pairwise; | |
47 | wconf->rsn_preauth = conf->rsn_preauth; | |
48 | wconf->eapol_version = conf->eapol_version; | |
49 | wconf->peerkey = conf->peerkey; | |
50 | wconf->wmm_enabled = conf->wmm_enabled; | |
721abef9 | 51 | wconf->wmm_uapsd = conf->wmm_uapsd; |
cb465555 | 52 | wconf->disable_pmksa_caching = conf->disable_pmksa_caching; |
c442055e JM |
53 | wconf->okc = conf->okc; |
54 | #ifdef CONFIG_IEEE80211W | |
55 | wconf->ieee80211w = conf->ieee80211w; | |
56 | #endif /* CONFIG_IEEE80211W */ | |
57 | #ifdef CONFIG_IEEE80211R | |
58 | wconf->ssid_len = conf->ssid.ssid_len; | |
59 | if (wconf->ssid_len > SSID_LEN) | |
60 | wconf->ssid_len = SSID_LEN; | |
61 | os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len); | |
62 | os_memcpy(wconf->mobility_domain, conf->mobility_domain, | |
63 | MOBILITY_DOMAIN_ID_LEN); | |
64 | if (conf->nas_identifier && | |
65 | os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) { | |
66 | wconf->r0_key_holder_len = os_strlen(conf->nas_identifier); | |
67 | os_memcpy(wconf->r0_key_holder, conf->nas_identifier, | |
68 | wconf->r0_key_holder_len); | |
69 | } | |
70 | os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN); | |
71 | wconf->r0_key_lifetime = conf->r0_key_lifetime; | |
72 | wconf->reassociation_deadline = conf->reassociation_deadline; | |
73 | wconf->r0kh_list = conf->r0kh_list; | |
74 | wconf->r1kh_list = conf->r1kh_list; | |
75 | wconf->pmk_r1_push = conf->pmk_r1_push; | |
d7956add | 76 | wconf->ft_over_ds = conf->ft_over_ds; |
c442055e JM |
77 | #endif /* CONFIG_IEEE80211R */ |
78 | } | |
79 | ||
80 | ||
81 | static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, | |
82 | logger_level level, const char *txt) | |
83 | { | |
84 | #ifndef CONFIG_NO_HOSTAPD_LOGGER | |
85 | struct hostapd_data *hapd = ctx; | |
86 | int hlevel; | |
87 | ||
88 | switch (level) { | |
89 | case LOGGER_WARNING: | |
90 | hlevel = HOSTAPD_LEVEL_WARNING; | |
91 | break; | |
92 | case LOGGER_INFO: | |
93 | hlevel = HOSTAPD_LEVEL_INFO; | |
94 | break; | |
95 | case LOGGER_DEBUG: | |
96 | default: | |
97 | hlevel = HOSTAPD_LEVEL_DEBUG; | |
98 | break; | |
99 | } | |
100 | ||
101 | hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); | |
102 | #endif /* CONFIG_NO_HOSTAPD_LOGGER */ | |
103 | } | |
104 | ||
105 | ||
106 | static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, | |
107 | u16 reason) | |
108 | { | |
109 | struct hostapd_data *hapd = ctx; | |
110 | wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " | |
111 | "STA " MACSTR " reason %d", | |
112 | __func__, MAC2STR(addr), reason); | |
113 | ap_sta_disconnect(hapd, NULL, addr, reason); | |
114 | } | |
115 | ||
116 | ||
117 | static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) | |
118 | { | |
119 | struct hostapd_data *hapd = ctx; | |
120 | michael_mic_failure(hapd, addr, 0); | |
121 | } | |
122 | ||
123 | ||
124 | static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, | |
125 | wpa_eapol_variable var, int value) | |
126 | { | |
127 | struct hostapd_data *hapd = ctx; | |
128 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
129 | if (sta == NULL) | |
130 | return; | |
131 | switch (var) { | |
132 | case WPA_EAPOL_portEnabled: | |
133 | ieee802_1x_notify_port_enabled(sta->eapol_sm, value); | |
134 | break; | |
135 | case WPA_EAPOL_portValid: | |
136 | ieee802_1x_notify_port_valid(sta->eapol_sm, value); | |
137 | break; | |
138 | case WPA_EAPOL_authorized: | |
139 | ieee802_1x_set_sta_authorized(hapd, sta, value); | |
140 | break; | |
141 | case WPA_EAPOL_portControl_Auto: | |
142 | if (sta->eapol_sm) | |
143 | sta->eapol_sm->portControl = Auto; | |
144 | break; | |
145 | case WPA_EAPOL_keyRun: | |
146 | if (sta->eapol_sm) | |
147 | sta->eapol_sm->keyRun = value ? TRUE : FALSE; | |
148 | break; | |
149 | case WPA_EAPOL_keyAvailable: | |
150 | if (sta->eapol_sm) | |
151 | sta->eapol_sm->eap_if->eapKeyAvailable = | |
152 | value ? TRUE : FALSE; | |
153 | break; | |
154 | case WPA_EAPOL_keyDone: | |
155 | if (sta->eapol_sm) | |
156 | sta->eapol_sm->keyDone = value ? TRUE : FALSE; | |
157 | break; | |
158 | case WPA_EAPOL_inc_EapolFramesTx: | |
159 | if (sta->eapol_sm) | |
160 | sta->eapol_sm->dot1xAuthEapolFramesTx++; | |
161 | break; | |
162 | } | |
163 | } | |
164 | ||
165 | ||
166 | static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, | |
167 | wpa_eapol_variable var) | |
168 | { | |
169 | struct hostapd_data *hapd = ctx; | |
170 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
171 | if (sta == NULL || sta->eapol_sm == NULL) | |
172 | return -1; | |
173 | switch (var) { | |
174 | case WPA_EAPOL_keyRun: | |
175 | return sta->eapol_sm->keyRun; | |
176 | case WPA_EAPOL_keyAvailable: | |
177 | return sta->eapol_sm->eap_if->eapKeyAvailable; | |
178 | default: | |
179 | return -1; | |
180 | } | |
181 | } | |
182 | ||
183 | ||
184 | static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, | |
185 | const u8 *prev_psk) | |
186 | { | |
187 | struct hostapd_data *hapd = ctx; | |
188 | return hostapd_get_psk(hapd->conf, addr, prev_psk); | |
189 | } | |
190 | ||
191 | ||
192 | static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk, | |
193 | size_t *len) | |
194 | { | |
195 | struct hostapd_data *hapd = ctx; | |
196 | const u8 *key; | |
197 | size_t keylen; | |
198 | struct sta_info *sta; | |
199 | ||
200 | sta = ap_get_sta(hapd, addr); | |
201 | if (sta == NULL) | |
202 | return -1; | |
203 | ||
204 | key = ieee802_1x_get_key(sta->eapol_sm, &keylen); | |
205 | if (key == NULL) | |
206 | return -1; | |
207 | ||
208 | if (keylen > *len) | |
209 | keylen = *len; | |
210 | os_memcpy(msk, key, keylen); | |
211 | *len = keylen; | |
212 | ||
213 | return 0; | |
214 | } | |
215 | ||
216 | ||
71934751 | 217 | static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg, |
c442055e JM |
218 | const u8 *addr, int idx, u8 *key, |
219 | size_t key_len) | |
220 | { | |
221 | struct hostapd_data *hapd = ctx; | |
222 | const char *ifname = hapd->conf->iface; | |
223 | ||
224 | if (vlan_id > 0) { | |
225 | ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); | |
226 | if (ifname == NULL) | |
227 | return -1; | |
228 | } | |
229 | ||
3acdf771 JM |
230 | return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0, |
231 | key, key_len); | |
c442055e JM |
232 | } |
233 | ||
234 | ||
235 | static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, | |
236 | u8 *seq) | |
237 | { | |
238 | struct hostapd_data *hapd = ctx; | |
239 | return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); | |
240 | } | |
241 | ||
242 | ||
243 | static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, | |
244 | const u8 *data, size_t data_len, | |
245 | int encrypt) | |
246 | { | |
247 | struct hostapd_data *hapd = ctx; | |
4378fc14 FF |
248 | struct sta_info *sta; |
249 | u32 flags = 0; | |
250 | ||
251 | sta = ap_get_sta(hapd, addr); | |
252 | if (sta) | |
253 | flags = hostapd_sta_flags_to_drv(sta->flags); | |
254 | ||
3acdf771 | 255 | return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len, |
4378fc14 | 256 | encrypt, flags); |
c442055e JM |
257 | } |
258 | ||
259 | ||
260 | static int hostapd_wpa_auth_for_each_sta( | |
261 | void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), | |
262 | void *cb_ctx) | |
263 | { | |
264 | struct hostapd_data *hapd = ctx; | |
265 | struct sta_info *sta; | |
266 | ||
267 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
268 | if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) | |
269 | return 1; | |
270 | } | |
271 | return 0; | |
272 | } | |
273 | ||
274 | ||
275 | struct wpa_auth_iface_iter_data { | |
276 | int (*cb)(struct wpa_authenticator *sm, void *ctx); | |
277 | void *cb_ctx; | |
278 | }; | |
279 | ||
280 | static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx) | |
281 | { | |
282 | struct wpa_auth_iface_iter_data *data = ctx; | |
283 | size_t i; | |
284 | for (i = 0; i < iface->num_bss; i++) { | |
03bcb0af JM |
285 | if (iface->bss[i]->wpa_auth && |
286 | data->cb(iface->bss[i]->wpa_auth, data->cb_ctx)) | |
c442055e JM |
287 | return 1; |
288 | } | |
289 | return 0; | |
290 | } | |
291 | ||
292 | ||
293 | static int hostapd_wpa_auth_for_each_auth( | |
294 | void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx), | |
295 | void *cb_ctx) | |
296 | { | |
297 | struct hostapd_data *hapd = ctx; | |
298 | struct wpa_auth_iface_iter_data data; | |
1b56c26c JM |
299 | if (hapd->iface->for_each_interface == NULL) |
300 | return -1; | |
c442055e JM |
301 | data.cb = cb; |
302 | data.cb_ctx = cb_ctx; | |
1b56c26c JM |
303 | return hapd->iface->for_each_interface(hapd->iface->interfaces, |
304 | wpa_auth_iface_iter, &data); | |
c442055e JM |
305 | } |
306 | ||
307 | ||
67ccef7e JM |
308 | #ifdef CONFIG_IEEE80211R |
309 | ||
310 | struct wpa_auth_ft_iface_iter_data { | |
311 | struct hostapd_data *src_hapd; | |
312 | const u8 *dst; | |
313 | const u8 *data; | |
314 | size_t data_len; | |
315 | }; | |
316 | ||
317 | ||
318 | static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx) | |
319 | { | |
320 | struct wpa_auth_ft_iface_iter_data *idata = ctx; | |
321 | struct hostapd_data *hapd; | |
322 | size_t j; | |
323 | ||
324 | for (j = 0; j < iface->num_bss; j++) { | |
325 | hapd = iface->bss[j]; | |
326 | if (hapd == idata->src_hapd) | |
327 | continue; | |
328 | if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) { | |
329 | wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to " | |
330 | "locally managed BSS " MACSTR "@%s -> " | |
331 | MACSTR "@%s", | |
332 | MAC2STR(idata->src_hapd->own_addr), | |
333 | idata->src_hapd->conf->iface, | |
334 | MAC2STR(hapd->own_addr), hapd->conf->iface); | |
7e031850 JM |
335 | wpa_ft_rrb_rx(hapd->wpa_auth, |
336 | idata->src_hapd->own_addr, | |
337 | idata->data, idata->data_len); | |
67ccef7e JM |
338 | return 1; |
339 | } | |
340 | } | |
341 | ||
342 | return 0; | |
343 | } | |
344 | ||
345 | #endif /* CONFIG_IEEE80211R */ | |
346 | ||
347 | ||
c442055e JM |
348 | static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, |
349 | const u8 *data, size_t data_len) | |
350 | { | |
351 | struct hostapd_data *hapd = ctx; | |
7e031850 JM |
352 | struct l2_ethhdr *buf; |
353 | int ret; | |
c442055e | 354 | |
67ccef7e JM |
355 | #ifdef CONFIG_IEEE80211R |
356 | if (proto == ETH_P_RRB && hapd->iface->for_each_interface) { | |
357 | int res; | |
358 | struct wpa_auth_ft_iface_iter_data idata; | |
359 | idata.src_hapd = hapd; | |
360 | idata.dst = dst; | |
361 | idata.data = data; | |
362 | idata.data_len = data_len; | |
363 | res = hapd->iface->for_each_interface(hapd->iface->interfaces, | |
364 | hostapd_wpa_auth_ft_iter, | |
365 | &idata); | |
366 | if (res == 1) | |
367 | return data_len; | |
368 | } | |
369 | #endif /* CONFIG_IEEE80211R */ | |
370 | ||
c442055e JM |
371 | if (hapd->driver && hapd->driver->send_ether) |
372 | return hapd->driver->send_ether(hapd->drv_priv, dst, | |
373 | hapd->own_addr, proto, | |
374 | data, data_len); | |
375 | if (hapd->l2 == NULL) | |
376 | return -1; | |
7e031850 JM |
377 | |
378 | buf = os_malloc(sizeof(*buf) + data_len); | |
379 | if (buf == NULL) | |
380 | return -1; | |
381 | os_memcpy(buf->h_dest, dst, ETH_ALEN); | |
382 | os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN); | |
383 | buf->h_proto = host_to_be16(proto); | |
384 | os_memcpy(buf + 1, data, data_len); | |
385 | ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf, | |
386 | sizeof(*buf) + data_len); | |
387 | os_free(buf); | |
2683690d | 388 | return ret; |
c442055e JM |
389 | } |
390 | ||
391 | ||
392 | #ifdef CONFIG_IEEE80211R | |
393 | ||
394 | static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, | |
395 | const u8 *data, size_t data_len) | |
396 | { | |
397 | struct hostapd_data *hapd = ctx; | |
398 | int res; | |
399 | struct ieee80211_mgmt *m; | |
400 | size_t mlen; | |
401 | struct sta_info *sta; | |
402 | ||
403 | sta = ap_get_sta(hapd, dst); | |
404 | if (sta == NULL || sta->wpa_sm == NULL) | |
405 | return -1; | |
406 | ||
407 | m = os_zalloc(sizeof(*m) + data_len); | |
408 | if (m == NULL) | |
409 | return -1; | |
410 | mlen = ((u8 *) &m->u - (u8 *) m) + data_len; | |
411 | m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
412 | WLAN_FC_STYPE_ACTION); | |
413 | os_memcpy(m->da, dst, ETH_ALEN); | |
414 | os_memcpy(m->sa, hapd->own_addr, ETH_ALEN); | |
415 | os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN); | |
416 | os_memcpy(&m->u, data, data_len); | |
417 | ||
cee7d66b | 418 | res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen); |
c442055e JM |
419 | os_free(m); |
420 | return res; | |
421 | } | |
422 | ||
423 | ||
424 | static struct wpa_state_machine * | |
425 | hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr) | |
426 | { | |
427 | struct hostapd_data *hapd = ctx; | |
428 | struct sta_info *sta; | |
429 | ||
430 | sta = ap_sta_add(hapd, sta_addr); | |
431 | if (sta == NULL) | |
432 | return NULL; | |
21c9b690 JM |
433 | if (sta->wpa_sm) { |
434 | sta->auth_alg = WLAN_AUTH_FT; | |
c442055e | 435 | return sta->wpa_sm; |
21c9b690 | 436 | } |
c442055e JM |
437 | |
438 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr); | |
439 | if (sta->wpa_sm == NULL) { | |
440 | ap_free_sta(hapd, sta); | |
441 | return NULL; | |
442 | } | |
443 | sta->auth_alg = WLAN_AUTH_FT; | |
444 | ||
445 | return sta->wpa_sm; | |
446 | } | |
447 | ||
448 | ||
449 | static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, | |
450 | size_t len) | |
451 | { | |
452 | struct hostapd_data *hapd = ctx; | |
7e031850 JM |
453 | struct l2_ethhdr *ethhdr; |
454 | if (len < sizeof(*ethhdr)) | |
455 | return; | |
456 | ethhdr = (struct l2_ethhdr *) buf; | |
457 | wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " | |
458 | MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest)); | |
459 | wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr), | |
460 | len - sizeof(*ethhdr)); | |
c442055e JM |
461 | } |
462 | ||
463 | #endif /* CONFIG_IEEE80211R */ | |
464 | ||
465 | ||
466 | int hostapd_setup_wpa(struct hostapd_data *hapd) | |
467 | { | |
468 | struct wpa_auth_config _conf; | |
469 | struct wpa_auth_callbacks cb; | |
470 | const u8 *wpa_ie; | |
471 | size_t wpa_ie_len; | |
472 | ||
473 | hostapd_wpa_auth_conf(hapd->conf, &_conf); | |
e4bf4db9 JM |
474 | if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS) |
475 | _conf.tx_status = 1; | |
c442055e JM |
476 | os_memset(&cb, 0, sizeof(cb)); |
477 | cb.ctx = hapd; | |
478 | cb.logger = hostapd_wpa_auth_logger; | |
479 | cb.disconnect = hostapd_wpa_auth_disconnect; | |
480 | cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report; | |
481 | cb.set_eapol = hostapd_wpa_auth_set_eapol; | |
482 | cb.get_eapol = hostapd_wpa_auth_get_eapol; | |
483 | cb.get_psk = hostapd_wpa_auth_get_psk; | |
484 | cb.get_msk = hostapd_wpa_auth_get_msk; | |
485 | cb.set_key = hostapd_wpa_auth_set_key; | |
486 | cb.get_seqnum = hostapd_wpa_auth_get_seqnum; | |
487 | cb.send_eapol = hostapd_wpa_auth_send_eapol; | |
488 | cb.for_each_sta = hostapd_wpa_auth_for_each_sta; | |
489 | cb.for_each_auth = hostapd_wpa_auth_for_each_auth; | |
490 | cb.send_ether = hostapd_wpa_auth_send_ether; | |
491 | #ifdef CONFIG_IEEE80211R | |
492 | cb.send_ft_action = hostapd_wpa_auth_send_ft_action; | |
493 | cb.add_sta = hostapd_wpa_auth_add_sta; | |
494 | #endif /* CONFIG_IEEE80211R */ | |
495 | hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb); | |
496 | if (hapd->wpa_auth == NULL) { | |
497 | wpa_printf(MSG_ERROR, "WPA initialization failed."); | |
498 | return -1; | |
499 | } | |
500 | ||
501 | if (hostapd_set_privacy(hapd, 1)) { | |
502 | wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " | |
503 | "for interface %s", hapd->conf->iface); | |
504 | return -1; | |
505 | } | |
506 | ||
507 | wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); | |
508 | if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { | |
509 | wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " | |
510 | "the kernel driver."); | |
511 | return -1; | |
512 | } | |
513 | ||
514 | if (rsn_preauth_iface_init(hapd)) { | |
515 | wpa_printf(MSG_ERROR, "Initialization of RSN " | |
516 | "pre-authentication failed."); | |
517 | return -1; | |
518 | } | |
519 | ||
520 | #ifdef CONFIG_IEEE80211R | |
521 | if (!hostapd_drv_none(hapd)) { | |
22208211 JM |
522 | hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ? |
523 | hapd->conf->bridge : | |
524 | hapd->conf->iface, NULL, ETH_P_RRB, | |
7e031850 | 525 | hostapd_rrb_receive, hapd, 1); |
c442055e JM |
526 | if (hapd->l2 == NULL && |
527 | (hapd->driver == NULL || | |
528 | hapd->driver->send_ether == NULL)) { | |
529 | wpa_printf(MSG_ERROR, "Failed to open l2_packet " | |
530 | "interface"); | |
531 | return -1; | |
532 | } | |
533 | } | |
534 | #endif /* CONFIG_IEEE80211R */ | |
535 | ||
536 | return 0; | |
537 | ||
538 | } | |
539 | ||
540 | ||
541 | void hostapd_reconfig_wpa(struct hostapd_data *hapd) | |
542 | { | |
543 | struct wpa_auth_config wpa_auth_conf; | |
544 | hostapd_wpa_auth_conf(hapd->conf, &wpa_auth_conf); | |
545 | wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); | |
546 | } | |
547 | ||
548 | ||
549 | void hostapd_deinit_wpa(struct hostapd_data *hapd) | |
550 | { | |
01a17491 | 551 | ieee80211_tkip_countermeasures_deinit(hapd); |
c442055e JM |
552 | rsn_preauth_iface_deinit(hapd); |
553 | if (hapd->wpa_auth) { | |
554 | wpa_deinit(hapd->wpa_auth); | |
555 | hapd->wpa_auth = NULL; | |
556 | ||
557 | if (hostapd_set_privacy(hapd, 0)) { | |
558 | wpa_printf(MSG_DEBUG, "Could not disable " | |
559 | "PrivacyInvoked for interface %s", | |
560 | hapd->conf->iface); | |
561 | } | |
562 | ||
563 | if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { | |
564 | wpa_printf(MSG_DEBUG, "Could not remove generic " | |
565 | "information element from interface %s", | |
566 | hapd->conf->iface); | |
567 | } | |
568 | } | |
569 | ieee802_1x_deinit(hapd); | |
570 | ||
571 | #ifdef CONFIG_IEEE80211R | |
572 | l2_packet_deinit(hapd->l2); | |
573 | #endif /* CONFIG_IEEE80211R */ | |
574 | } |