]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/ap/wpa_auth_glue.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
SAE: Special test mode sae_pwe=3 for looping with password identifier
[thirdparty/hostap.git] / src / ap / wpa_auth_glue.c
CommitLineData
c442055e
JM		 1/*
2 * hostapd / WPA authenticator glue code
47b55a3e 3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
c442055e 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
c442055e
JM		 7 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
c5fee160
MB		 12#include "utils/eloop.h"
13#include "utils/list.h"
c442055e 14#include "common/ieee802_11_defs.h"
47b55a3e 15#include "common/sae.h"
2c502460 16#include "common/wpa_ctrl.h"
f8e09bc5 17#include "crypto/sha1.h"
c442055e
JM		 18#include "eapol_auth/eapol_auth_sm.h"
19#include "eapol_auth/eapol_auth_sm_i.h"
20#include "eap_server/eap.h"
21#include "l2_packet/l2_packet.h"
50bd8e0a 22#include "eth_p_oui.h"
6226e38d
JM		 23#include "hostapd.h"
24#include "ieee802_1x.h"
25#include "preauth_auth.h"
26#include "sta_info.h"
27#include "tkip_countermeasures.h"
8b06c1ed
JM		 28#include "ap_drv_ops.h"
29#include "ap_config.h"
1034f67b 30#include "ieee802_11.h"
d90f10fa 31#include "pmksa_cache_auth.h"
8b06c1ed 32#include "wpa_auth.h"
373f6c72 33#include "wpa_auth_glue.h"
c442055e
JM		 34
35
36static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
7af092a0 37 struct hostapd_config *iconf,
c442055e
JM		 38 struct wpa_auth_config *wconf)
39{
e36a5894
JM		 40 int sae_pw_id;
41
d28b43f6 42 os_memset(wconf, 0, sizeof(*wconf));
c442055e
JM		 43 wconf->wpa = conf->wpa;
44 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
45 wconf->wpa_pairwise = conf->wpa_pairwise;
46 wconf->wpa_group = conf->wpa_group;
47 wconf->wpa_group_rekey = conf->wpa_group_rekey;
48 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
49 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
50 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
41f140d3 51 wconf->wpa_group_update_count = conf->wpa_group_update_count;
6f234c1e
JM		 52 wconf->wpa_disable_eapol_key_retries =
53 conf->wpa_disable_eapol_key_retries;
41f140d3 54 wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count;
c442055e
JM		 55 wconf->rsn_pairwise = conf->rsn_pairwise;
56 wconf->rsn_preauth = conf->rsn_preauth;
57 wconf->eapol_version = conf->eapol_version;
524dc5bf
JM		 58#ifdef CONFIG_MACSEC
59 if (wconf->eapol_version > 2)
60 wconf->eapol_version = 2;
61#endif /* CONFIG_MACSEC */
c442055e 62 wconf->wmm_enabled = conf->wmm_enabled;
721abef9 63 wconf->wmm_uapsd = conf->wmm_uapsd;
cb465555 64 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
875ab60d
MV		 65#ifdef CONFIG_OCV
66 wconf->ocv = conf->ocv;
67#endif /* CONFIG_OCV */
c442055e 68 wconf->okc = conf->okc;
c442055e 69 wconf->ieee80211w = conf->ieee80211w;
8dd9f9cd 70 wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
ba3d435f 71 wconf->sae_require_mfp = conf->sae_require_mfp;
4ec1fd8e 72#ifdef CONFIG_IEEE80211R_AP
c442055e 73 wconf->ssid_len = conf->ssid.ssid_len;
d6c3067d
JM		 74 if (wconf->ssid_len > SSID_MAX_LEN)
75 wconf->ssid_len = SSID_MAX_LEN;
c442055e
JM		 76 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
77 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
78 MOBILITY_DOMAIN_ID_LEN);
79 if (conf->nas_identifier &&
80 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
81 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
82 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
83 wconf->r0_key_holder_len);
84 }
85 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
86 wconf->r0_key_lifetime = conf->r0_key_lifetime;
3a3e2832 87 wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime;
c442055e 88 wconf->reassociation_deadline = conf->reassociation_deadline;
3a46cf93
MB		 89 wconf->rkh_pos_timeout = conf->rkh_pos_timeout;
90 wconf->rkh_neg_timeout = conf->rkh_neg_timeout;
91 wconf->rkh_pull_timeout = conf->rkh_pull_timeout;
92 wconf->rkh_pull_retries = conf->rkh_pull_retries;
93 wconf->r0kh_list = &conf->r0kh_list;
94 wconf->r1kh_list = &conf->r1kh_list;
c442055e 95 wconf->pmk_r1_push = conf->pmk_r1_push;
d7956add 96 wconf->ft_over_ds = conf->ft_over_ds;
96590564 97 wconf->ft_psk_generate_local = conf->ft_psk_generate_local;
4ec1fd8e 98#endif /* CONFIG_IEEE80211R_AP */
83421850
JM		 99#ifdef CONFIG_HS20
100 wconf->disable_gtk = conf->disable_dgaf;
a14896e8
JM		 101 if (conf->osen) {
102 wconf->disable_gtk = 1;
103 wconf->wpa = WPA_PROTO_OSEN;
104 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
105 wconf->wpa_pairwise = 0;
106 wconf->wpa_group = WPA_CIPHER_CCMP;
107 wconf->rsn_pairwise = WPA_CIPHER_CCMP;
108 wconf->rsn_preauth = 0;
109 wconf->disable_pmksa_caching = 1;
a14896e8 110 wconf->ieee80211w = 1;
a14896e8 111 }
83421850 112#endif /* CONFIG_HS20 */
7af092a0
JB		 113#ifdef CONFIG_TESTING_OPTIONS
114 wconf->corrupt_gtk_rekey_mic_probability =
115 iconf->corrupt_gtk_rekey_mic_probability;
bc02843e
JM		 116 if (conf->own_ie_override &&
117 wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
118 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
119 os_memcpy(wconf->own_ie_override,
120 wpabuf_head(conf->own_ie_override),
121 wconf->own_ie_override_len);
122 }
f2c4b44b
JM		 123 if (conf->rsnxe_override_eapol &&
124 wpabuf_len(conf->rsnxe_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
125 wconf->rsnxe_override_eapol_len =
126 wpabuf_len(conf->rsnxe_override_eapol);
127 os_memcpy(wconf->rsnxe_override_eapol,
128 wpabuf_head(conf->rsnxe_override_eapol),
129 wconf->rsnxe_override_eapol_len);
130 }
8d84c75f
JM		 131 if (conf->gtk_rsc_override &&
132 wpabuf_len(conf->gtk_rsc_override) > 0 &&
133 wpabuf_len(conf->gtk_rsc_override) <= WPA_KEY_RSC_LEN) {
134 os_memcpy(wconf->gtk_rsc_override,
135 wpabuf_head(conf->gtk_rsc_override),
136 wpabuf_len(conf->gtk_rsc_override));
137 wconf->gtk_rsc_override_set = 1;
138 }
139 if (conf->igtk_rsc_override &&
140 wpabuf_len(conf->igtk_rsc_override) > 0 &&
141 wpabuf_len(conf->igtk_rsc_override) <= WPA_KEY_RSC_LEN) {
142 os_memcpy(wconf->igtk_rsc_override,
143 wpabuf_head(conf->igtk_rsc_override),
144 wpabuf_len(conf->igtk_rsc_override));
145 wconf->igtk_rsc_override_set = 1;
146 }
7af092a0 147#endif /* CONFIG_TESTING_OPTIONS */
25ef8529
JM		 148#ifdef CONFIG_P2P
149 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
150 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
151 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
152 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
153#endif /* CONFIG_P2P */
7eace378
JM		 154#ifdef CONFIG_FILS
155 wconf->fils_cache_id_set = conf->fils_cache_id_set;
156 os_memcpy(wconf->fils_cache_id, conf->fils_cache_id,
157 FILS_CACHE_ID_LEN);
158#endif /* CONFIG_FILS */
a36e13a7 159 wconf->sae_pwe = conf->sae_pwe;
e36a5894 160 sae_pw_id = hostapd_sae_pw_id_in_use(conf);
641d79f1 161 if (sae_pw_id == 2 && wconf->sae_pwe != 3)
e36a5894
JM		 162 wconf->sae_pwe = 1;
163 else if (sae_pw_id == 1 && wconf->sae_pwe == 0)
164 wconf->sae_pwe = 2;
65a44e84
JM		 165#ifdef CONFIG_OWE
166 wconf->owe_ptk_workaround = conf->owe_ptk_workaround;
167#endif /* CONFIG_OWE */
c442055e
JM		 168}
169
170
171static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
172 logger_level level, const char *txt)
173{
174#ifndef CONFIG_NO_HOSTAPD_LOGGER
175 struct hostapd_data *hapd = ctx;
176 int hlevel;
177
178 switch (level) {
179 case LOGGER_WARNING:
180 hlevel = HOSTAPD_LEVEL_WARNING;
181 break;
182 case LOGGER_INFO:
183 hlevel = HOSTAPD_LEVEL_INFO;
184 break;
185 case LOGGER_DEBUG:
186 default:
187 hlevel = HOSTAPD_LEVEL_DEBUG;
188 break;
189 }
190
191 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
192#endif /* CONFIG_NO_HOSTAPD_LOGGER */
193}
194
195
196static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
197 u16 reason)
198{
199 struct hostapd_data *hapd = ctx;
200 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
201 "STA " MACSTR " reason %d",
202 __func__, MAC2STR(addr), reason);
203 ap_sta_disconnect(hapd, NULL, addr, reason);
204}
205
206
c772d054 207static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
c442055e
JM		 208{
209 struct hostapd_data *hapd = ctx;
c772d054 210 return michael_mic_failure(hapd, addr, 0);
c442055e
JM		 211}
212
213
2c502460
JM		 214static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
215{
216 struct hostapd_data *hapd = ctx;
217 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
218 MAC2STR(addr));
219}
220
221
c442055e
JM		 222static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
223 wpa_eapol_variable var, int value)
224{
225 struct hostapd_data *hapd = ctx;
226 struct sta_info *sta = ap_get_sta(hapd, addr);
227 if (sta == NULL)
228 return;
229 switch (var) {
230 case WPA_EAPOL_portEnabled:
231 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
232 break;
233 case WPA_EAPOL_portValid:
234 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
235 break;
236 case WPA_EAPOL_authorized:
237 ieee802_1x_set_sta_authorized(hapd, sta, value);
238 break;
239 case WPA_EAPOL_portControl_Auto:
240 if (sta->eapol_sm)
241 sta->eapol_sm->portControl = Auto;
242 break;
243 case WPA_EAPOL_keyRun:
244 if (sta->eapol_sm)
245 sta->eapol_sm->keyRun = value ? TRUE : FALSE;
246 break;
247 case WPA_EAPOL_keyAvailable:
248 if (sta->eapol_sm)
249 sta->eapol_sm->eap_if->eapKeyAvailable =
250 value ? TRUE : FALSE;
251 break;
252 case WPA_EAPOL_keyDone:
253 if (sta->eapol_sm)
254 sta->eapol_sm->keyDone = value ? TRUE : FALSE;
255 break;
256 case WPA_EAPOL_inc_EapolFramesTx:
257 if (sta->eapol_sm)
258 sta->eapol_sm->dot1xAuthEapolFramesTx++;
259 break;
260 }
261}
262
263
264static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
265 wpa_eapol_variable var)
266{
267 struct hostapd_data *hapd = ctx;
268 struct sta_info *sta = ap_get_sta(hapd, addr);
269 if (sta == NULL || sta->eapol_sm == NULL)
270 return -1;
271 switch (var) {
272 case WPA_EAPOL_keyRun:
273 return sta->eapol_sm->keyRun;
274 case WPA_EAPOL_keyAvailable:
275 return sta->eapol_sm->eap_if->eapKeyAvailable;
276 default:
277 return -1;
278 }
279}
280
281
282static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
759fd76b 283 const u8 *p2p_dev_addr,
dbfa691d
JM		 284 const u8 *prev_psk, size_t *psk_len,
285 int *vlan_id)
c442055e
JM		 286{
287 struct hostapd_data *hapd = ctx;
05ab9712 288 struct sta_info *sta = ap_get_sta(hapd, addr);
47b55a3e
JM		 289 const u8 *psk;
290
dbfa691d
JM		 291 if (vlan_id)
292 *vlan_id = 0;
7a12edd1
JM		 293 if (psk_len)
294 *psk_len = PMK_LEN;
295
47b55a3e
JM		 296#ifdef CONFIG_SAE
297 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
298 if (!sta->sae || prev_psk)
299 return NULL;
300 return sta->sae->pmk;
301 }
e61fea6b
JM		 302 if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
303 wpa_printf(MSG_DEBUG,
304 "No PSK for STA trying to use SAE with PMKSA caching");
305 return NULL;
306 }
47b55a3e
JM		 307#endif /* CONFIG_SAE */
308
09368515
JM		 309#ifdef CONFIG_OWE
310 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
7a12edd1
JM		 311 sta && sta->owe_pmk) {
312 if (psk_len)
313 *psk_len = sta->owe_pmk_len;
09368515 314 return sta->owe_pmk;
7a12edd1 315 }
d90f10fa
JM		 316 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
317 struct rsn_pmksa_cache_entry *sa;
318
319 sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
320 if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
321 if (psk_len)
322 *psk_len = sa->pmk_len;
323 return sa->pmk;
324 }
325 }
09368515
JM		 326#endif /* CONFIG_OWE */
327
dbfa691d
JM		 328 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
329 vlan_id);
59dff51d
MB		 330 /*
331 * This is about to iterate over all psks, prev_psk gives the last
332 * returned psk which should not be returned again.
5ee56c4e 333 * logic list (all hostapd_get_psk; all sta->psk)
59dff51d 334 */
5ee56c4e
MB		 335 if (sta && sta->psk && !psk) {
336 struct hostapd_sta_wpa_psk_short *pos;
dbfa691d
JM		 337
338 if (vlan_id)
339 *vlan_id = 0;
5ee56c4e
MB		 340 psk = sta->psk->psk;
341 for (pos = sta->psk; pos; pos = pos->next) {
f8e09bc5
MB		 342 if (pos->is_passphrase) {
343 pbkdf2_sha1(pos->passphrase,
344 hapd->conf->ssid.ssid,
345 hapd->conf->ssid.ssid_len, 4096,
346 pos->psk, PMK_LEN);
347 pos->is_passphrase = 0;
348 }
5ee56c4e
MB		 349 if (pos->psk == prev_psk) {
350 psk = pos->next ? pos->next->psk : NULL;
351 break;
352 }
353 }
354 }
59dff51d 355 return psk;
c442055e
JM		 356}
357
358
359static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
360 size_t *len)
361{
362 struct hostapd_data *hapd = ctx;
363 const u8 *key;
364 size_t keylen;
365 struct sta_info *sta;
366
367 sta = ap_get_sta(hapd, addr);
400de9b1
BG		 368 if (sta == NULL) {
369 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
c442055e 370 return -1;
400de9b1 371 }
c442055e
JM		 372
373 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
400de9b1
BG		 374 if (key == NULL) {
375 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
376 sta->eapol_sm);
c442055e 377 return -1;
400de9b1 378 }
c442055e
JM		 379
380 if (keylen > *len)
381 keylen = *len;
382 os_memcpy(msk, key, keylen);
383 *len = keylen;
384
385 return 0;
386}
387
388
71934751 389static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
c442055e 390 const u8 *addr, int idx, u8 *key,
a919a260 391 size_t key_len, enum key_flag key_flag)
c442055e
JM		 392{
393 struct hostapd_data *hapd = ctx;
394 const char *ifname = hapd->conf->iface;
395
396 if (vlan_id > 0) {
397 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
99d8c4dc
GG		 398 if (!ifname) {
399 if (!(hapd->iface->drv_flags &
400 WPA_DRIVER_FLAGS_VLAN_OFFLOAD))
401 return -1;
402 ifname = hapd->conf->iface;
403 }
c442055e
JM		 404 }
405
16579769
JM		 406#ifdef CONFIG_TESTING_OPTIONS
407 if (addr && !is_broadcast_ether_addr(addr)) {
408 struct sta_info *sta;
409
410 sta = ap_get_sta(hapd, addr);
411 if (sta) {
412 sta->last_tk_alg = alg;
413 sta->last_tk_key_idx = idx;
414 if (key)
415 os_memcpy(sta->last_tk, key, key_len);
416 sta->last_tk_len = key_len;
417 }
f8bfc9cb
PK		 418 } else if (alg == WPA_ALG_IGTK ||
419 alg == WPA_ALG_BIP_GMAC_128 ||
420 alg == WPA_ALG_BIP_GMAC_256 ||
421 alg == WPA_ALG_BIP_CMAC_256) {
16579769
JM		 422 hapd->last_igtk_alg = alg;
423 hapd->last_igtk_key_idx = idx;
424 if (key)
425 os_memcpy(hapd->last_igtk, key, key_len);
426 hapd->last_igtk_len = key_len;
16579769
JM		 427 } else {
428 hapd->last_gtk_alg = alg;
429 hapd->last_gtk_key_idx = idx;
430 if (key)
431 os_memcpy(hapd->last_gtk, key, key_len);
432 hapd->last_gtk_len = key_len;
433 }
434#endif /* CONFIG_TESTING_OPTIONS */
4d3ae54f 435 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, vlan_id, 1,
a919a260 436 NULL, 0, key, key_len, key_flag);
c442055e
JM		 437}
438
439
440static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
441 u8 *seq)
442{
443 struct hostapd_data *hapd = ctx;
444 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
445}
446
447
448static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
449 const u8 *data, size_t data_len,
450 int encrypt)
451{
452 struct hostapd_data *hapd = ctx;
4378fc14
FF		 453 struct sta_info *sta;
454 u32 flags = 0;
455
9d4ff04a
JM		 456#ifdef CONFIG_TESTING_OPTIONS
457 if (hapd->ext_eapol_frame_io) {
458 size_t hex_len = 2 * data_len + 1;
459 char *hex = os_malloc(hex_len);
460
461 if (hex == NULL)
462 return -1;
463 wpa_snprintf_hex(hex, hex_len, data, data_len);
464 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
465 MAC2STR(addr), hex);
466 os_free(hex);
467 return 0;
468 }
469#endif /* CONFIG_TESTING_OPTIONS */
470
4378fc14
FF		 471 sta = ap_get_sta(hapd, addr);
472 if (sta)
473 flags = hostapd_sta_flags_to_drv(sta->flags);
474
3acdf771 475 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
4378fc14 476 encrypt, flags);
c442055e
JM		 477}
478
479
480static int hostapd_wpa_auth_for_each_sta(
481 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
482 void *cb_ctx)
483{
484 struct hostapd_data *hapd = ctx;
485 struct sta_info *sta;
486
487 for (sta = hapd->sta_list; sta; sta = sta->next) {
488 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
489 return 1;
490 }
491 return 0;
492}
493
494
495struct wpa_auth_iface_iter_data {
496 int (*cb)(struct wpa_authenticator *sm, void *ctx);
497 void *cb_ctx;
498};
499
500static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
501{
502 struct wpa_auth_iface_iter_data *data = ctx;
503 size_t i;
504 for (i = 0; i < iface->num_bss; i++) {
03bcb0af
JM		 505 if (iface->bss[i]->wpa_auth &&
506 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
c442055e
JM		 507 return 1;
508 }
509 return 0;
510}
511
512
513static int hostapd_wpa_auth_for_each_auth(
514 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
515 void *cb_ctx)
516{
517 struct hostapd_data *hapd = ctx;
518 struct wpa_auth_iface_iter_data data;
3776ac73
JM		 519 if (hapd->iface->interfaces == NULL ||
520 hapd->iface->interfaces->for_each_interface == NULL)
1b56c26c 521 return -1;
c442055e
JM		 522 data.cb = cb;
523 data.cb_ctx = cb_ctx;
3776ac73
JM		 524 return hapd->iface->interfaces->for_each_interface(
525 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
c442055e
JM		 526}
527
528
4ec1fd8e 529#ifdef CONFIG_IEEE80211R_AP
67ccef7e 530
c5fee160
MB		 531struct wpa_ft_rrb_rx_later_data {
532 struct dl_list list;
533 u8 addr[ETH_ALEN];
534 size_t data_len;
535 /* followed by data_len octets of data */
536};
537
538static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx)
539{
540 struct hostapd_data *hapd = eloop_ctx;
541 struct wpa_ft_rrb_rx_later_data *data, *n;
542
543 dl_list_for_each_safe(data, n, &hapd->l2_queue,
544 struct wpa_ft_rrb_rx_later_data, list) {
545 if (hapd->wpa_auth) {
546 wpa_ft_rrb_rx(hapd->wpa_auth, data->addr,
547 (const u8 *) (data + 1),
548 data->data_len);
549 }
550 dl_list_del(&data->list);
551 os_free(data);
552 }
553}
554
555
67ccef7e
JM		 556struct wpa_auth_ft_iface_iter_data {
557 struct hostapd_data *src_hapd;
558 const u8 *dst;
559 const u8 *data;
560 size_t data_len;
561};
562
563
564static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
565{
566 struct wpa_auth_ft_iface_iter_data *idata = ctx;
c5fee160 567 struct wpa_ft_rrb_rx_later_data *data;
67ccef7e
JM		 568 struct hostapd_data *hapd;
569 size_t j;
570
571 for (j = 0; j < iface->num_bss; j++) {
572 hapd = iface->bss[j];
c5fee160
MB		 573 if (hapd == idata->src_hapd ||
574 !hapd->wpa_auth ||
575 os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) != 0)
71456dbd 576 continue;
c5fee160
MB		 577
578 wpa_printf(MSG_DEBUG,
579 "FT: Send RRB data directly to locally managed BSS "
580 MACSTR "@%s -> " MACSTR "@%s",
581 MAC2STR(idata->src_hapd->own_addr),
582 idata->src_hapd->conf->iface,
583 MAC2STR(hapd->own_addr), hapd->conf->iface);
584
585 /* Defer wpa_ft_rrb_rx() until next eloop step as this is
586 * when it would be triggered when reading from a socket.
587 * This avoids
588 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
589 * that is calling hapd0:recv handler from within
590 * hapd0:send directly.
591 */
592 data = os_zalloc(sizeof(*data) + idata->data_len);
593 if (!data)
67ccef7e 594 return 1;
c5fee160
MB		 595
596 os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN);
597 os_memcpy(data + 1, idata->data, idata->data_len);
598 data->data_len = idata->data_len;
599
600 dl_list_add(&hapd->l2_queue, &data->list);
601
602 if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later,
603 hapd, NULL))
604 eloop_register_timeout(0, 0,
605 hostapd_wpa_ft_rrb_rx_later,
606 hapd, NULL);
607
608 return 1;
67ccef7e
JM		 609 }
610
611 return 0;
612}
613
4ec1fd8e 614#endif /* CONFIG_IEEE80211R_AP */
67ccef7e
JM		 615
616
c442055e
JM		 617static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
618 const u8 *data, size_t data_len)
619{
620 struct hostapd_data *hapd = ctx;
7e031850
JM		 621 struct l2_ethhdr *buf;
622 int ret;
c442055e 623
9d4ff04a
JM		 624#ifdef CONFIG_TESTING_OPTIONS
625 if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
626 size_t hex_len = 2 * data_len + 1;
627 char *hex = os_malloc(hex_len);
628
629 if (hex == NULL)
630 return -1;
631 wpa_snprintf_hex(hex, hex_len, data, data_len);
632 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
633 MAC2STR(dst), hex);
634 os_free(hex);
635 return 0;
636 }
637#endif /* CONFIG_TESTING_OPTIONS */
638
4ec1fd8e 639#ifdef CONFIG_IEEE80211R_AP
3776ac73
JM		 640 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
641 hapd->iface->interfaces->for_each_interface) {
67ccef7e
JM		 642 int res;
643 struct wpa_auth_ft_iface_iter_data idata;
644 idata.src_hapd = hapd;
645 idata.dst = dst;
646 idata.data = data;
647 idata.data_len = data_len;
3776ac73
JM		 648 res = hapd->iface->interfaces->for_each_interface(
649 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
650 &idata);
67ccef7e
JM		 651 if (res == 1)
652 return data_len;
653 }
4ec1fd8e 654#endif /* CONFIG_IEEE80211R_AP */
67ccef7e 655
c442055e
JM		 656 if (hapd->l2 == NULL)
657 return -1;
7e031850
JM		 658
659 buf = os_malloc(sizeof(*buf) + data_len);
660 if (buf == NULL)
661 return -1;
662 os_memcpy(buf->h_dest, dst, ETH_ALEN);
663 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
664 buf->h_proto = host_to_be16(proto);
665 os_memcpy(buf + 1, data, data_len);
666 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
667 sizeof(*buf) + data_len);
668 os_free(buf);
2683690d 669 return ret;
c442055e
JM		 670}
671
672
50bd8e0a
MB		 673#ifdef CONFIG_ETH_P_OUI
674static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd,
675 u8 oui_suffix)
676{
677 switch (oui_suffix) {
678#ifdef CONFIG_IEEE80211R_AP
679 case FT_PACKET_R0KH_R1KH_PULL:
680 return hapd->oui_pull;
681 case FT_PACKET_R0KH_R1KH_RESP:
682 return hapd->oui_resp;
683 case FT_PACKET_R0KH_R1KH_PUSH:
684 return hapd->oui_push;
eefe8630
MB		 685 case FT_PACKET_R0KH_R1KH_SEQ_REQ:
686 return hapd->oui_sreq;
687 case FT_PACKET_R0KH_R1KH_SEQ_RESP:
688 return hapd->oui_sresp;
50bd8e0a
MB		 689#endif /* CONFIG_IEEE80211R_AP */
690 default:
691 return NULL;
692 }
693}
694#endif /* CONFIG_ETH_P_OUI */
695
696
697#ifdef CONFIG_IEEE80211R_AP
698
699struct oui_deliver_later_data {
700 struct dl_list list;
701 u8 src_addr[ETH_ALEN];
702 u8 dst_addr[ETH_ALEN];
703 size_t data_len;
704 u8 oui_suffix;
705 /* followed by data_len octets of data */
706};
707
708static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx)
709{
710 struct hostapd_data *hapd = eloop_ctx;
711 struct oui_deliver_later_data *data, *n;
712 struct eth_p_oui_ctx *oui_ctx;
713
714 dl_list_for_each_safe(data, n, &hapd->l2_oui_queue,
715 struct oui_deliver_later_data, list) {
716 oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix);
a422d9b4
JM		 717 wpa_printf(MSG_DEBUG, "RRB(%s): %s src=" MACSTR " dst=" MACSTR
718 " oui_suffix=%u data_len=%u data=%p",
719 hapd->conf->iface, __func__,
720 MAC2STR(data->src_addr), MAC2STR(data->dst_addr),
721 data->oui_suffix, (unsigned int) data->data_len,
722 data);
50bd8e0a
MB		 723 if (hapd->wpa_auth && oui_ctx) {
724 eth_p_oui_deliver(oui_ctx, data->src_addr,
725 data->dst_addr,
726 (const u8 *) (data + 1),
727 data->data_len);
728 }
729 dl_list_del(&data->list);
730 os_free(data);
731 }
732}
733
734
735struct wpa_auth_oui_iface_iter_data {
736 struct hostapd_data *src_hapd;
737 const u8 *dst_addr;
738 const u8 *data;
739 size_t data_len;
740 u8 oui_suffix;
741};
742
743static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
744{
745 struct wpa_auth_oui_iface_iter_data *idata = ctx;
746 struct oui_deliver_later_data *data;
3cd4db23 747 struct hostapd_data *hapd, *src_hapd = idata->src_hapd;
50bd8e0a
MB		 748 size_t j;
749
750 for (j = 0; j < iface->num_bss; j++) {
751 hapd = iface->bss[j];
3cd4db23
JM		 752 if (hapd == src_hapd)
753 continue; /* don't deliver back to same interface */
754 if (!wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) ||
755 hapd->conf->ssid.ssid_len !=
756 src_hapd->conf->ssid.ssid_len ||
757 os_memcmp(hapd->conf->ssid.ssid,
758 src_hapd->conf->ssid.ssid,
759 hapd->conf->ssid.ssid_len) != 0 ||
760 os_memcmp(hapd->conf->mobility_domain,
761 src_hapd->conf->mobility_domain,
c133c785 762 MOBILITY_DOMAIN_ID_LEN) != 0)
3cd4db23 763 continue; /* no matching FT SSID/mobility domain */
50bd8e0a
MB		 764 if (!is_multicast_ether_addr(idata->dst_addr) &&
765 os_memcmp(hapd->own_addr, idata->dst_addr, ETH_ALEN) != 0)
3cd4db23 766 continue; /* destination address does not match */
50bd8e0a
MB		 767
768 /* defer eth_p_oui_deliver until next eloop step as this is
769 * when it would be triggerd from reading from sock
770 * This avoids
771 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
772 * that is calling hapd0:recv handler from within
773 * hapd0:send directly.
774 */
775 data = os_zalloc(sizeof(*data) + idata->data_len);
776 if (!data)
777 return 1;
a422d9b4
JM		 778 wpa_printf(MSG_DEBUG,
779 "RRB(%s): local delivery to %s dst=" MACSTR
780 " oui_suffix=%u data_len=%u data=%p",
3cd4db23 781 src_hapd->conf->iface, hapd->conf->iface,
a422d9b4
JM		 782 MAC2STR(idata->dst_addr), idata->oui_suffix,
783 (unsigned int) idata->data_len, data);
50bd8e0a 784
3cd4db23 785 os_memcpy(data->src_addr, src_hapd->own_addr, ETH_ALEN);
50bd8e0a
MB		 786 os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN);
787 os_memcpy(data + 1, idata->data, idata->data_len);
788 data->data_len = idata->data_len;
789 data->oui_suffix = idata->oui_suffix;
790
7b1105af 791 dl_list_add_tail(&hapd->l2_oui_queue, &data->list);
50bd8e0a
MB		 792
793 if (!eloop_is_timeout_registered(hostapd_oui_deliver_later,
794 hapd, NULL))
795 eloop_register_timeout(0, 0,
796 hostapd_oui_deliver_later,
797 hapd, NULL);
798
4834c686
JW		 799 /* If dst_addr is a multicast address, do not return any
800 * non-zero value here. Otherwise, the iteration of
801 * for_each_interface() will be stopped. */
802 if (!is_multicast_ether_addr(idata->dst_addr))
803 return 1;
50bd8e0a
MB		 804 }
805
806 return 0;
807}
808
809#endif /* CONFIG_IEEE80211R_AP */
810
811
812static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix,
813 const u8 *data, size_t data_len)
814{
815#ifdef CONFIG_ETH_P_OUI
816 struct hostapd_data *hapd = ctx;
817 struct eth_p_oui_ctx *oui_ctx;
818
a422d9b4
JM		 819 wpa_printf(MSG_DEBUG, "RRB(%s): send to dst=" MACSTR
820 " oui_suffix=%u data_len=%u",
821 hapd->conf->iface, MAC2STR(dst), oui_suffix,
822 (unsigned int) data_len);
50bd8e0a
MB		 823#ifdef CONFIG_IEEE80211R_AP
824 if (hapd->iface->interfaces &&
825 hapd->iface->interfaces->for_each_interface) {
826 struct wpa_auth_oui_iface_iter_data idata;
827 int res;
828
829 idata.src_hapd = hapd;
830 idata.dst_addr = dst;
831 idata.data = data;
832 idata.data_len = data_len;
833 idata.oui_suffix = oui_suffix;
834 res = hapd->iface->interfaces->for_each_interface(
835 hapd->iface->interfaces, hostapd_wpa_auth_oui_iter,
836 &idata);
837 if (res == 1)
838 return data_len;
839 }
840#endif /* CONFIG_IEEE80211R_AP */
841
842 oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix);
843 if (!oui_ctx)
844 return -1;
845
846 return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len);
847#else /* CONFIG_ETH_P_OUI */
848 return -1;
849#endif /* CONFIG_ETH_P_OUI */
850}
851
852
bef4d07a
MV		 853static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
854{
855 struct hostapd_data *hapd = ctx;
856
857 return hostapd_drv_channel_info(hapd, ci);
858}
859
1034f67b 860
dbfa691d
JM		 861static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
862{
863#ifndef CONFIG_NO_VLAN
864 struct hostapd_data *hapd = ctx;
865 struct sta_info *sta;
dbfa691d
JM		 866
867 sta = ap_get_sta(hapd, addr);
868 if (!sta)
869 return -1;
870
99d8c4dc
GG		 871 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
872 struct vlan_description vlan_desc;
dbfa691d 873
99d8c4dc
GG		 874 os_memset(&vlan_desc, 0, sizeof(vlan_desc));
875 vlan_desc.notempty = 1;
876 vlan_desc.untagged = vlan_id;
877 if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
878 wpa_printf(MSG_INFO,
879 "Invalid VLAN ID %d in wpa_psk_file",
880 vlan_id);
881 return -1;
882 }
883
884 if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) {
885 wpa_printf(MSG_INFO,
886 "Failed to assign VLAN ID %d from wpa_psk_file to "
887 MACSTR, vlan_id, MAC2STR(sta->addr));
888 return -1;
889 }
890 } else {
891 sta->vlan_id = vlan_id;
dbfa691d
JM		 892 }
893
894 wpa_printf(MSG_INFO,
895 "Assigned VLAN ID %d from wpa_psk_file to " MACSTR,
896 vlan_id, MAC2STR(sta->addr));
897 if ((sta->flags & WLAN_STA_ASSOC) &&
898 ap_sta_bind_vlan(hapd, sta) < 0)
899 return -1;
900#endif /* CONFIG_NO_VLAN */
901
902 return 0;
903}
904
905
1034f67b
MV		 906#ifdef CONFIG_OCV
907static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr,
908 int ap_max_chanwidth, int ap_seg1_idx,
909 int *bandwidth, int *seg1_idx)
910{
911 struct hostapd_data *hapd = ctx;
912 struct sta_info *sta;
913
914 sta = ap_get_sta(hapd, addr);
915 if (!sta) {
916 hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO,
917 "Failed to get STA info to validate received OCI");
918 return -1;
919 }
920
921 return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth,
922 seg1_idx);
923}
924#endif /* CONFIG_OCV */
925
926
4ec1fd8e 927#ifdef CONFIG_IEEE80211R_AP
c442055e
JM		 928
929static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
930 const u8 *data, size_t data_len)
931{
932 struct hostapd_data *hapd = ctx;
933 int res;
934 struct ieee80211_mgmt *m;
935 size_t mlen;
936 struct sta_info *sta;
937
938 sta = ap_get_sta(hapd, dst);
939 if (sta == NULL || sta->wpa_sm == NULL)
940 return -1;
941
942 m = os_zalloc(sizeof(*m) + data_len);
943 if (m == NULL)
944 return -1;
945 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
946 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
947 WLAN_FC_STYPE_ACTION);
948 os_memcpy(m->da, dst, ETH_ALEN);
949 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
950 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
951 os_memcpy(&m->u, data, data_len);
952
37100274 953 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0, NULL, 0, 0);
c442055e
JM		 954 os_free(m);
955 return res;
956}
957
958
959static struct wpa_state_machine *
960hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
961{
962 struct hostapd_data *hapd = ctx;
963 struct sta_info *sta;
df3b2e22 964 int ret;
c442055e 965
4cf5efec
JM		 966 wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR
967 " based on WPA authenticator callback",
968 MAC2STR(sta_addr));
df3b2e22
SSG		 969 ret = hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT);
970
971 /*
972 * The expected return values from hostapd_add_sta_node() are
973 * 0: successfully added STA entry
974 * -EOPNOTSUPP: driver or driver wrapper does not support/need this
975 * operations
976 * any other negative value: error in adding the STA entry */
977 if (ret < 0 && ret != -EOPNOTSUPP)
88b32a99
SP		 978 return NULL;
979
c442055e
JM		 980 sta = ap_sta_add(hapd, sta_addr);
981 if (sta == NULL)
982 return NULL;
df3b2e22 983 if (ret == 0)
4cf5efec 984 sta->added_unassoc = 1;
df3b2e22 985
4cf5efec 986 sta->ft_over_ds = 1;
21c9b690
JM		 987 if (sta->wpa_sm) {
988 sta->auth_alg = WLAN_AUTH_FT;
c442055e 989 return sta->wpa_sm;
21c9b690 990 }
c442055e 991
94ddef3e 992 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
c442055e
JM		 993 if (sta->wpa_sm == NULL) {
994 ap_free_sta(hapd, sta);
995 return NULL;
996 }
997 sta->auth_alg = WLAN_AUTH_FT;
998
999 return sta->wpa_sm;
1000}
1001
1002
47a039b0
MB		 1003static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr,
1004 struct vlan_description *vlan)
1005{
1006 struct hostapd_data *hapd = ctx;
1007 struct sta_info *sta;
1008
1009 sta = ap_get_sta(hapd, sta_addr);
1010 if (!sta || !sta->wpa_sm)
1011 return -1;
1012
1013 if (vlan->notempty &&
1014 !hostapd_vlan_valid(hapd->conf->vlan, vlan)) {
1015 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1016 HOSTAPD_LEVEL_INFO,
1017 "Invalid VLAN %d%s received from FT",
1018 vlan->untagged, vlan->tagged[0] ? "+" : "");
1019 return -1;
1020 }
1021
1022 if (ap_sta_set_vlan(hapd, sta, vlan) < 0)
1023 return -1;
1024 /* Configure wpa_group for GTK but ignore error due to driver not
1025 * knowing this STA. */
1026 ap_sta_bind_vlan(hapd, sta);
1027
1028 if (sta->vlan_id)
1029 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1030 HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
1031
1032 return 0;
1033}
1034
1035
1036static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr,
1037 struct vlan_description *vlan)
1038{
1039 struct hostapd_data *hapd = ctx;
1040 struct sta_info *sta;
1041
1042 sta = ap_get_sta(hapd, sta_addr);
1043 if (!sta)
1044 return -1;
1045
1046 if (sta->vlan_desc)
1047 *vlan = *sta->vlan_desc;
1048 else
1049 os_memset(vlan, 0, sizeof(*vlan));
1050
1051 return 0;
1052}
1053
1054
8c345234
MB		 1055static int
1056hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr,
1057 const u8 *identity, size_t identity_len)
1058{
1059 struct hostapd_data *hapd = ctx;
1060 struct sta_info *sta;
1061
1062 sta = ap_get_sta(hapd, sta_addr);
1063 if (!sta)
1064 return -1;
1065
1066 os_free(sta->identity);
1067 sta->identity = NULL;
1068
1069 if (sta->eapol_sm) {
1070 os_free(sta->eapol_sm->identity);
1071 sta->eapol_sm->identity = NULL;
1072 sta->eapol_sm->identity_len = 0;
1073 }
1074
1075 if (!identity_len)
1076 return 0;
1077
1078 /* sta->identity is NULL terminated */
1079 sta->identity = os_zalloc(identity_len + 1);
1080 if (!sta->identity)
1081 return -1;
1082 os_memcpy(sta->identity, identity, identity_len);
1083
1084 if (sta->eapol_sm) {
1085 sta->eapol_sm->identity = os_zalloc(identity_len);
1086 if (!sta->eapol_sm->identity)
1087 return -1;
1088 os_memcpy(sta->eapol_sm->identity, identity, identity_len);
1089 sta->eapol_sm->identity_len = identity_len;
1090 }
1091
1092 return 0;
1093}
1094
1095
1096static size_t
1097hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf)
1098{
1099 struct hostapd_data *hapd = ctx;
1100 struct sta_info *sta;
1101 size_t len;
1102 char *identity;
1103
1104 sta = ap_get_sta(hapd, sta_addr);
1105 if (!sta)
1106 return 0;
1107
1108 *buf = ieee802_1x_get_identity(sta->eapol_sm, &len);
1109 if (*buf && len)
1110 return len;
1111
1112 if (!sta->identity) {
1113 *buf = NULL;
1114 return 0;
1115 }
1116
1117 identity = sta->identity;
1118 len = os_strlen(identity);
1119 *buf = (u8 *) identity;
1120
1121 return len;
1122}
1123
1124
1125static int
1126hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr,
1127 const u8 *radius_cui, size_t radius_cui_len)
1128{
1129 struct hostapd_data *hapd = ctx;
1130 struct sta_info *sta;
1131
1132 sta = ap_get_sta(hapd, sta_addr);
1133 if (!sta)
1134 return -1;
1135
1136 os_free(sta->radius_cui);
1137 sta->radius_cui = NULL;
1138
1139 if (sta->eapol_sm) {
1140 wpabuf_free(sta->eapol_sm->radius_cui);
1141 sta->eapol_sm->radius_cui = NULL;
1142 }
1143
1144 if (!radius_cui)
1145 return 0;
1146
1147 /* sta->radius_cui is NULL terminated */
1148 sta->radius_cui = os_zalloc(radius_cui_len + 1);
1149 if (!sta->radius_cui)
1150 return -1;
1151 os_memcpy(sta->radius_cui, radius_cui, radius_cui_len);
1152
1153 if (sta->eapol_sm) {
1154 sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui,
1155 radius_cui_len);
1156 if (!sta->eapol_sm->radius_cui)
1157 return -1;
1158 }
1159
1160 return 0;
1161}
1162
1163
1164static size_t
1165hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf)
1166{
1167 struct hostapd_data *hapd = ctx;
1168 struct sta_info *sta;
1169 struct wpabuf *b;
1170 size_t len;
1171 char *radius_cui;
1172
1173 sta = ap_get_sta(hapd, sta_addr);
1174 if (!sta)
1175 return 0;
1176
1177 b = ieee802_1x_get_radius_cui(sta->eapol_sm);
1178 if (b) {
1179 len = wpabuf_len(b);
1180 *buf = wpabuf_head(b);
1181 return len;
1182 }
1183
1184 if (!sta->radius_cui) {
1185 *buf = NULL;
1186 return 0;
1187 }
1188
1189 radius_cui = sta->radius_cui;
1190 len = os_strlen(radius_cui);
1191 *buf = (u8 *) radius_cui;
1192
1193 return len;
1194}
1195
1196
3cb286ca
MB		 1197static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr,
1198 int session_timeout)
1199{
1200 struct hostapd_data *hapd = ctx;
1201 struct sta_info *sta;
1202
1203 sta = ap_get_sta(hapd, sta_addr);
1204 if (!sta)
1205 return;
1206
1207 if (session_timeout) {
1208 os_get_reltime(&sta->session_timeout);
1209 sta->session_timeout.sec += session_timeout;
1210 sta->session_timeout_set = 1;
1211 ap_sta_session_timeout(hapd, sta, session_timeout);
1212 } else {
1213 sta->session_timeout_set = 0;
1214 ap_sta_no_session_timeout(hapd, sta);
1215 }
1216}
1217
1218
1219static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr)
1220{
1221 struct hostapd_data *hapd = ctx;
1222 struct sta_info *sta;
1223 struct os_reltime now, remaining;
1224
1225 sta = ap_get_sta(hapd, sta_addr);
1226 if (!sta || !sta->session_timeout_set)
1227 return 0;
1228
1229 os_get_reltime(&now);
1230 if (os_reltime_before(&sta->session_timeout, &now)) {
1231 /* already expired, return >0 as timeout was set */
1232 return 1;
1233 }
1234
1235 os_reltime_sub(&sta->session_timeout, &now, &remaining);
1236
1237 return (remaining.sec > 0) ? remaining.sec : 1;
1238}
1239
1240
c442055e
JM		 1241static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
1242 size_t len)
1243{
1244 struct hostapd_data *hapd = ctx;
7e031850
JM		 1245 struct l2_ethhdr *ethhdr;
1246 if (len < sizeof(*ethhdr))
1247 return;
1248 ethhdr = (struct l2_ethhdr *) buf;
1249 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1250 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
170c545a
MB		 1251 if (!is_multicast_ether_addr(ethhdr->h_dest) &&
1252 os_memcmp(hapd->own_addr, ethhdr->h_dest, ETH_ALEN) != 0)
1253 return;
7e031850
JM		 1254 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
1255 len - sizeof(*ethhdr));
c442055e
JM		 1256}
1257
88b32a99 1258
50bd8e0a
MB		 1259static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr,
1260 const u8 *dst_addr, u8 oui_suffix,
1261 const u8 *buf, size_t len)
1262{
1263 struct hostapd_data *hapd = ctx;
1264
1265 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1266 MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr));
1267 if (!is_multicast_ether_addr(dst_addr) &&
1268 os_memcmp(hapd->own_addr, dst_addr, ETH_ALEN) != 0)
1269 return;
1270 wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf,
1271 len);
1272}
1273
1274
88b32a99
SP		 1275static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
1276 u8 *tspec_ie, size_t tspec_ielen)
1277{
1278 struct hostapd_data *hapd = ctx;
1279 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
1280}
1281
50bd8e0a
MB		 1282
1283
1284static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd,
1285 const char *ft_iface)
1286{
1287 hapd->oui_pull = eth_p_oui_register(hapd, ft_iface,
1288 FT_PACKET_R0KH_R1KH_PULL,
1289 hostapd_rrb_oui_receive, hapd);
1290 if (!hapd->oui_pull)
1291 return -1;
1292
1293 hapd->oui_resp = eth_p_oui_register(hapd, ft_iface,
1294 FT_PACKET_R0KH_R1KH_RESP,
1295 hostapd_rrb_oui_receive, hapd);
1296 if (!hapd->oui_resp)
1297 return -1;
1298
1299 hapd->oui_push = eth_p_oui_register(hapd, ft_iface,
1300 FT_PACKET_R0KH_R1KH_PUSH,
1301 hostapd_rrb_oui_receive, hapd);
1302 if (!hapd->oui_push)
1303 return -1;
1304
eefe8630
MB		 1305 hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface,
1306 FT_PACKET_R0KH_R1KH_SEQ_REQ,
1307 hostapd_rrb_oui_receive, hapd);
1308 if (!hapd->oui_sreq)
1309 return -1;
1310
1311 hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface,
1312 FT_PACKET_R0KH_R1KH_SEQ_RESP,
1313 hostapd_rrb_oui_receive, hapd);
1314 if (!hapd->oui_sresp)
1315 return -1;
1316
50bd8e0a
MB		 1317 return 0;
1318}
1319
1320
1321static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd)
1322{
1323 eth_p_oui_unregister(hapd->oui_pull);
1324 hapd->oui_pull = NULL;
1325 eth_p_oui_unregister(hapd->oui_resp);
1326 hapd->oui_resp = NULL;
1327 eth_p_oui_unregister(hapd->oui_push);
1328 hapd->oui_push = NULL;
eefe8630
MB		 1329 eth_p_oui_unregister(hapd->oui_sreq);
1330 hapd->oui_sreq = NULL;
1331 eth_p_oui_unregister(hapd->oui_sresp);
1332 hapd->oui_sresp = NULL;
50bd8e0a 1333}
4ec1fd8e 1334#endif /* CONFIG_IEEE80211R_AP */
c442055e
JM		 1335
1336
1337int hostapd_setup_wpa(struct hostapd_data *hapd)
1338{
1339 struct wpa_auth_config _conf;
cef8fac0
JB		 1340 static const struct wpa_auth_callbacks cb = {
1341 .logger = hostapd_wpa_auth_logger,
1342 .disconnect = hostapd_wpa_auth_disconnect,
1343 .mic_failure_report = hostapd_wpa_auth_mic_failure_report,
1344 .psk_failure_report = hostapd_wpa_auth_psk_failure_report,
1345 .set_eapol = hostapd_wpa_auth_set_eapol,
1346 .get_eapol = hostapd_wpa_auth_get_eapol,
1347 .get_psk = hostapd_wpa_auth_get_psk,
1348 .get_msk = hostapd_wpa_auth_get_msk,
1349 .set_key = hostapd_wpa_auth_set_key,
1350 .get_seqnum = hostapd_wpa_auth_get_seqnum,
1351 .send_eapol = hostapd_wpa_auth_send_eapol,
1352 .for_each_sta = hostapd_wpa_auth_for_each_sta,
1353 .for_each_auth = hostapd_wpa_auth_for_each_auth,
1354 .send_ether = hostapd_wpa_auth_send_ether,
50bd8e0a 1355 .send_oui = hostapd_wpa_auth_send_oui,
bef4d07a 1356 .channel_info = hostapd_channel_info,
dbfa691d 1357 .update_vlan = hostapd_wpa_auth_update_vlan,
1034f67b
MV		 1358#ifdef CONFIG_OCV
1359 .get_sta_tx_params = hostapd_get_sta_tx_params,
1360#endif /* CONFIG_OCV */
cef8fac0
JB		 1361#ifdef CONFIG_IEEE80211R_AP
1362 .send_ft_action = hostapd_wpa_auth_send_ft_action,
1363 .add_sta = hostapd_wpa_auth_add_sta,
1364 .add_tspec = hostapd_wpa_auth_add_tspec,
47a039b0
MB		 1365 .set_vlan = hostapd_wpa_auth_set_vlan,
1366 .get_vlan = hostapd_wpa_auth_get_vlan,
8c345234
MB		 1367 .set_identity = hostapd_wpa_auth_set_identity,
1368 .get_identity = hostapd_wpa_auth_get_identity,
1369 .set_radius_cui = hostapd_wpa_auth_set_radius_cui,
1370 .get_radius_cui = hostapd_wpa_auth_get_radius_cui,
3cb286ca
MB		 1371 .set_session_timeout = hostapd_wpa_auth_set_session_timeout,
1372 .get_session_timeout = hostapd_wpa_auth_get_session_timeout,
cef8fac0
JB		 1373#endif /* CONFIG_IEEE80211R_AP */
1374 };
c442055e
JM		 1375 const u8 *wpa_ie;
1376 size_t wpa_ie_len;
1377
7af092a0 1378 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
e4bf4db9
JM		 1379 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
1380 _conf.tx_status = 1;
88b32a99
SP		 1381 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
1382 _conf.ap_mlme = 1;
cef8fac0 1383 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd);
c442055e
JM		 1384 if (hapd->wpa_auth == NULL) {
1385 wpa_printf(MSG_ERROR, "WPA initialization failed.");
1386 return -1;
1387 }
1388
1389 if (hostapd_set_privacy(hapd, 1)) {
1390 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1391 "for interface %s", hapd->conf->iface);
1392 return -1;
1393 }
1394
1395 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1396 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1397 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1398 "the kernel driver.");
1399 return -1;
1400 }
1401
1402 if (rsn_preauth_iface_init(hapd)) {
1403 wpa_printf(MSG_ERROR, "Initialization of RSN "
1404 "pre-authentication failed.");
1405 return -1;
1406 }
1407
4ec1fd8e 1408#ifdef CONFIG_IEEE80211R_AP
b92d2a57 1409 if (!hostapd_drv_none(hapd) &&
66d46406 1410 wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
50bd8e0a
MB		 1411 const char *ft_iface;
1412
1413 ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge :
1414 hapd->conf->iface;
1415 hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB,
7e031850 1416 hostapd_rrb_receive, hapd, 1);
ccaabeaa 1417 if (!hapd->l2) {
c442055e
JM		 1418 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
1419 "interface");
1420 return -1;
1421 }
50bd8e0a
MB		 1422
1423 if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) {
1424 wpa_printf(MSG_ERROR,
1425 "Failed to open ETH_P_OUI interface");
1426 return -1;
1427 }
c442055e 1428 }
4ec1fd8e 1429#endif /* CONFIG_IEEE80211R_AP */
c442055e
JM		 1430
1431 return 0;
1432
1433}
1434
1435
1436void hostapd_reconfig_wpa(struct hostapd_data *hapd)
1437{
1438 struct wpa_auth_config wpa_auth_conf;
7af092a0 1439 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
c442055e
JM		 1440 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
1441}
1442
1443
1444void hostapd_deinit_wpa(struct hostapd_data *hapd)
1445{
01a17491 1446 ieee80211_tkip_countermeasures_deinit(hapd);
c442055e
JM		 1447 rsn_preauth_iface_deinit(hapd);
1448 if (hapd->wpa_auth) {
1449 wpa_deinit(hapd->wpa_auth);
1450 hapd->wpa_auth = NULL;
1451
1b822f52 1452 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
c442055e
JM		 1453 wpa_printf(MSG_DEBUG, "Could not disable "
1454 "PrivacyInvoked for interface %s",
1455 hapd->conf->iface);
1456 }
1457
1b822f52
JM		 1458 if (hapd->drv_priv &&
1459 hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
c442055e
JM		 1460 wpa_printf(MSG_DEBUG, "Could not remove generic "
1461 "information element from interface %s",
1462 hapd->conf->iface);
1463 }
1464 }
1465 ieee802_1x_deinit(hapd);
1466
4ec1fd8e 1467#ifdef CONFIG_IEEE80211R_AP
c5fee160
MB		 1468 eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX);
1469 hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */
50bd8e0a
MB		 1470 eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX);
1471 hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */
c442055e 1472 l2_packet_deinit(hapd->l2);
66f4dd15 1473 hapd->l2 = NULL;
50bd8e0a 1474 hostapd_wpa_unregister_ft_oui(hapd);
4ec1fd8e 1475#endif /* CONFIG_IEEE80211R_AP */
c442055e 1476}
Unnamed repository; edit this file 'description' to name the repository.