1 /*
2 * hostapd / WPA authenticator glue code
3 * Copyright (c) 2002-2022, 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 "utils/eloop.h"
13 #include "utils/list.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/sae.h"
16 #include "common/wpa_ctrl.h"
17 #include "common/ptksa_cache.h"
18 #include "crypto/sha1.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"
23 #include "eth_p_oui.h"
24 #include "hostapd.h"
25 #include "ieee802_1x.h"
26 #include "preauth_auth.h"
27 #include "sta_info.h"
28 #include "tkip_countermeasures.h"
29 #include "ap_drv_ops.h"
30 #include "ap_config.h"
31 #include "ieee802_11.h"
32 #include "ieee802_11_auth.h"
33 #include "pmksa_cache_auth.h"
34 #include "wpa_auth.h"
35 #include "wpa_auth_glue.h"
36
37
hostapd_wpa_auth_conf(struct hostapd_bss_config * conf,struct hostapd_config * iconf,struct wpa_auth_config * wconf)38 static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
39 struct hostapd_config *iconf,
40 struct wpa_auth_config *wconf)
41 {
42 int sae_pw_id;
43
44 os_memset(wconf, 0, sizeof(*wconf));
45 wconf->wpa = conf->wpa;
46 wconf->extended_key_id = conf->extended_key_id;
47 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
48 wconf->wpa_pairwise = conf->wpa_pairwise;
49 wconf->wpa_group = conf->wpa_group;
50 wconf->wpa_group_rekey = conf->wpa_group_rekey;
51 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
52 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
53 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
54 wconf->wpa_group_update_count = conf->wpa_group_update_count;
55 wconf->wpa_disable_eapol_key_retries =
56 conf->wpa_disable_eapol_key_retries;
57 wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count;
58 wconf->rsn_pairwise = conf->rsn_pairwise;
59 wconf->rsn_preauth = conf->rsn_preauth;
60 wconf->eapol_version = conf->eapol_version;
61 #ifdef CONFIG_MACSEC
62 if (wconf->eapol_version > 2)
63 wconf->eapol_version = 2;
64 #endif /* CONFIG_MACSEC */
65 wconf->wmm_enabled = conf->wmm_enabled;
66 wconf->wmm_uapsd = conf->wmm_uapsd;
67 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
68 #ifdef CONFIG_OCV
69 wconf->ocv = conf->ocv;
70 #endif /* CONFIG_OCV */
71 wconf->okc = conf->okc;
72 wconf->ieee80211w = conf->ieee80211w;
73 wconf->beacon_prot = conf->beacon_prot;
74 wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
75 wconf->sae_require_mfp = conf->sae_require_mfp;
76 #ifdef CONFIG_IEEE80211R_AP
77 wconf->ssid_len = conf->ssid.ssid_len;
78 if (wconf->ssid_len > SSID_MAX_LEN)
79 wconf->ssid_len = SSID_MAX_LEN;
80 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
81 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
82 MOBILITY_DOMAIN_ID_LEN);
83 if (conf->nas_identifier &&
84 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
85 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
86 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
87 wconf->r0_key_holder_len);
88 }
89 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
90 wconf->r0_key_lifetime = conf->r0_key_lifetime;
91 wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime;
92 wconf->reassociation_deadline = conf->reassociation_deadline;
93 wconf->rkh_pos_timeout = conf->rkh_pos_timeout;
94 wconf->rkh_neg_timeout = conf->rkh_neg_timeout;
95 wconf->rkh_pull_timeout = conf->rkh_pull_timeout;
96 wconf->rkh_pull_retries = conf->rkh_pull_retries;
97 wconf->r0kh_list = &conf->r0kh_list;
98 wconf->r1kh_list = &conf->r1kh_list;
99 wconf->pmk_r1_push = conf->pmk_r1_push;
100 wconf->ft_over_ds = conf->ft_over_ds;
101 wconf->ft_psk_generate_local = conf->ft_psk_generate_local;
102 #endif /* CONFIG_IEEE80211R_AP */
103 #ifdef CONFIG_HS20
104 wconf->disable_gtk = conf->disable_dgaf;
105 if (conf->osen) {
106 wconf->disable_gtk = 1;
107 wconf->wpa = WPA_PROTO_OSEN;
108 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
109 wconf->wpa_pairwise = 0;
110 wconf->wpa_group = WPA_CIPHER_CCMP;
111 wconf->rsn_pairwise = WPA_CIPHER_CCMP;
112 wconf->rsn_preauth = 0;
113 wconf->disable_pmksa_caching = 1;
114 wconf->ieee80211w = 1;
115 }
116 #endif /* CONFIG_HS20 */
117 #ifdef CONFIG_TESTING_OPTIONS
118 wconf->corrupt_gtk_rekey_mic_probability =
119 iconf->corrupt_gtk_rekey_mic_probability;
120 wconf->delay_eapol_tx = iconf->delay_eapol_tx;
121 if (conf->own_ie_override &&
122 wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
123 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
124 os_memcpy(wconf->own_ie_override,
125 wpabuf_head(conf->own_ie_override),
126 wconf->own_ie_override_len);
127 }
128 if (conf->rsne_override_eapol &&
129 wpabuf_len(conf->rsne_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
130 wconf->rsne_override_eapol_set = 1;
131 wconf->rsne_override_eapol_len =
132 wpabuf_len(conf->rsne_override_eapol);
133 os_memcpy(wconf->rsne_override_eapol,
134 wpabuf_head(conf->rsne_override_eapol),
135 wconf->rsne_override_eapol_len);
136 }
137 if (conf->rsnxe_override_eapol &&
138 wpabuf_len(conf->rsnxe_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
139 wconf->rsnxe_override_eapol_set = 1;
140 wconf->rsnxe_override_eapol_len =
141 wpabuf_len(conf->rsnxe_override_eapol);
142 os_memcpy(wconf->rsnxe_override_eapol,
143 wpabuf_head(conf->rsnxe_override_eapol),
144 wconf->rsnxe_override_eapol_len);
145 }
146 if (conf->rsne_override_ft &&
147 wpabuf_len(conf->rsne_override_ft) <= MAX_OWN_IE_OVERRIDE) {
148 wconf->rsne_override_ft_set = 1;
149 wconf->rsne_override_ft_len =
150 wpabuf_len(conf->rsne_override_ft);
151 os_memcpy(wconf->rsne_override_ft,
152 wpabuf_head(conf->rsne_override_ft),
153 wconf->rsne_override_ft_len);
154 }
155 if (conf->rsnxe_override_ft &&
156 wpabuf_len(conf->rsnxe_override_ft) <= MAX_OWN_IE_OVERRIDE) {
157 wconf->rsnxe_override_ft_set = 1;
158 wconf->rsnxe_override_ft_len =
159 wpabuf_len(conf->rsnxe_override_ft);
160 os_memcpy(wconf->rsnxe_override_ft,
161 wpabuf_head(conf->rsnxe_override_ft),
162 wconf->rsnxe_override_ft_len);
163 }
164 if (conf->gtk_rsc_override &&
165 wpabuf_len(conf->gtk_rsc_override) > 0 &&
166 wpabuf_len(conf->gtk_rsc_override) <= WPA_KEY_RSC_LEN) {
167 os_memcpy(wconf->gtk_rsc_override,
168 wpabuf_head(conf->gtk_rsc_override),
169 wpabuf_len(conf->gtk_rsc_override));
170 wconf->gtk_rsc_override_set = 1;
171 }
172 if (conf->igtk_rsc_override &&
173 wpabuf_len(conf->igtk_rsc_override) > 0 &&
174 wpabuf_len(conf->igtk_rsc_override) <= WPA_KEY_RSC_LEN) {
175 os_memcpy(wconf->igtk_rsc_override,
176 wpabuf_head(conf->igtk_rsc_override),
177 wpabuf_len(conf->igtk_rsc_override));
178 wconf->igtk_rsc_override_set = 1;
179 }
180 wconf->ft_rsnxe_used = conf->ft_rsnxe_used;
181 wconf->oci_freq_override_eapol_m3 = conf->oci_freq_override_eapol_m3;
182 wconf->oci_freq_override_eapol_g1 = conf->oci_freq_override_eapol_g1;
183 wconf->oci_freq_override_ft_assoc = conf->oci_freq_override_ft_assoc;
184 wconf->oci_freq_override_fils_assoc =
185 conf->oci_freq_override_fils_assoc;
186 wconf->skip_send_eapol = iconf->skip_send_eapol;
187 wconf->enable_eapol_large_timeout = iconf->enable_eapol_large_timeout;
188 #endif /* CONFIG_TESTING_OPTIONS */
189 #ifdef CONFIG_P2P
190 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
191 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
192 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
193 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
194 #endif /* CONFIG_P2P */
195 #ifdef CONFIG_FILS
196 wconf->fils_cache_id_set = conf->fils_cache_id_set;
197 os_memcpy(wconf->fils_cache_id, conf->fils_cache_id,
198 FILS_CACHE_ID_LEN);
199 #endif /* CONFIG_FILS */
200 wconf->sae_pwe = conf->sae_pwe;
201 sae_pw_id = hostapd_sae_pw_id_in_use(conf);
202 if (sae_pw_id == 2 && wconf->sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK)
203 wconf->sae_pwe = SAE_PWE_HASH_TO_ELEMENT;
204 else if (sae_pw_id == 1 && wconf->sae_pwe == SAE_PWE_HUNT_AND_PECK)
205 wconf->sae_pwe = SAE_PWE_BOTH;
206 #ifdef CONFIG_SAE_PK
207 wconf->sae_pk = hostapd_sae_pk_in_use(conf);
208 #endif /* CONFIG_SAE_PK */
209 #ifdef CONFIG_OWE
210 wconf->owe_ptk_workaround = conf->owe_ptk_workaround;
211 #endif /* CONFIG_OWE */
212 wconf->transition_disable = conf->transition_disable;
213 #ifdef CONFIG_DPP2
214 wconf->dpp_pfs = conf->dpp_pfs;
215 #endif /* CONFIG_DPP2 */
216 #ifdef CONFIG_PASN
217 #ifdef CONFIG_TESTING_OPTIONS
218 wconf->force_kdk_derivation = conf->force_kdk_derivation;
219 #endif /* CONFIG_TESTING_OPTIONS */
220 #endif /* CONFIG_PASN */
221
222 wconf->radius_psk = conf->wpa_psk_radius == PSK_RADIUS_DURING_4WAY_HS;
223 }
224
225
hostapd_wpa_auth_logger(void * ctx,const u8 * addr,logger_level level,const char * txt)226 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
227 logger_level level, const char *txt)
228 {
229 #ifndef CONFIG_NO_HOSTAPD_LOGGER
230 struct hostapd_data *hapd = ctx;
231 int hlevel;
232
233 switch (level) {
234 case LOGGER_WARNING:
235 hlevel = HOSTAPD_LEVEL_WARNING;
236 break;
237 case LOGGER_INFO:
238 hlevel = HOSTAPD_LEVEL_INFO;
239 break;
240 case LOGGER_DEBUG:
241 default:
242 hlevel = HOSTAPD_LEVEL_DEBUG;
243 break;
244 }
245
246 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
247 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
248 }
249
250
hostapd_wpa_auth_disconnect(void * ctx,const u8 * addr,u16 reason)251 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
252 u16 reason)
253 {
254 struct hostapd_data *hapd = ctx;
255 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
256 "STA " MACSTR " reason %d",
257 __func__, MAC2STR(addr), reason);
258 ap_sta_disconnect(hapd, NULL, addr, reason);
259 }
260
261
hostapd_wpa_auth_mic_failure_report(void * ctx,const u8 * addr)262 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
263 {
264 struct hostapd_data *hapd = ctx;
265 return michael_mic_failure(hapd, addr, 0);
266 }
267
268
hostapd_wpa_auth_psk_failure_report(void * ctx,const u8 * addr)269 static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
270 {
271 struct hostapd_data *hapd = ctx;
272 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
273 MAC2STR(addr));
274 }
275
276
hostapd_wpa_auth_set_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var,int value)277 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
278 wpa_eapol_variable var, int value)
279 {
280 struct hostapd_data *hapd = ctx;
281 struct sta_info *sta = ap_get_sta(hapd, addr);
282 if (sta == NULL)
283 return;
284 switch (var) {
285 case WPA_EAPOL_portEnabled:
286 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
287 break;
288 case WPA_EAPOL_portValid:
289 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
290 break;
291 case WPA_EAPOL_authorized:
292 ieee802_1x_set_sta_authorized(hapd, sta, value);
293 break;
294 case WPA_EAPOL_portControl_Auto:
295 if (sta->eapol_sm)
296 sta->eapol_sm->portControl = Auto;
297 break;
298 case WPA_EAPOL_keyRun:
299 if (sta->eapol_sm)
300 sta->eapol_sm->keyRun = value;
301 break;
302 case WPA_EAPOL_keyAvailable:
303 if (sta->eapol_sm)
304 sta->eapol_sm->eap_if->eapKeyAvailable = value;
305 break;
306 case WPA_EAPOL_keyDone:
307 if (sta->eapol_sm)
308 sta->eapol_sm->keyDone = value;
309 break;
310 case WPA_EAPOL_inc_EapolFramesTx:
311 if (sta->eapol_sm)
312 sta->eapol_sm->dot1xAuthEapolFramesTx++;
313 break;
314 }
315 }
316
317
hostapd_wpa_auth_get_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var)318 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
319 wpa_eapol_variable var)
320 {
321 struct hostapd_data *hapd = ctx;
322 struct sta_info *sta = ap_get_sta(hapd, addr);
323 if (sta == NULL || sta->eapol_sm == NULL)
324 return -1;
325 switch (var) {
326 case WPA_EAPOL_keyRun:
327 return sta->eapol_sm->keyRun;
328 case WPA_EAPOL_keyAvailable:
329 return sta->eapol_sm->eap_if->eapKeyAvailable;
330 default:
331 return -1;
332 }
333 }
334
335
hostapd_wpa_auth_get_psk(void * ctx,const u8 * addr,const u8 * p2p_dev_addr,const u8 * prev_psk,size_t * psk_len,int * vlan_id)336 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
337 const u8 *p2p_dev_addr,
338 const u8 *prev_psk, size_t *psk_len,
339 int *vlan_id)
340 {
341 struct hostapd_data *hapd = ctx;
342 struct sta_info *sta = ap_get_sta(hapd, addr);
343 const u8 *psk;
344
345 if (vlan_id)
346 *vlan_id = 0;
347 if (psk_len)
348 *psk_len = PMK_LEN;
349
350 #ifdef CONFIG_SAE
351 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
352 if (!sta->sae || prev_psk)
353 return NULL;
354 if (psk_len)
355 *psk_len = sta->sae->pmk_len;
356 return sta->sae->pmk;
357 }
358 if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
359 wpa_printf(MSG_DEBUG,
360 "No PSK for STA trying to use SAE with PMKSA caching");
361 return NULL;
362 }
363 #endif /* CONFIG_SAE */
364
365 #ifdef CONFIG_OWE
366 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
367 sta && sta->owe_pmk) {
368 if (psk_len)
369 *psk_len = sta->owe_pmk_len;
370 return sta->owe_pmk;
371 }
372 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
373 struct rsn_pmksa_cache_entry *sa;
374
375 sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
376 if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
377 if (psk_len)
378 *psk_len = sa->pmk_len;
379 return sa->pmk;
380 }
381 }
382 #endif /* CONFIG_OWE */
383
384 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
385 vlan_id);
386 /*
387 * This is about to iterate over all psks, prev_psk gives the last
388 * returned psk which should not be returned again.
389 * logic list (all hostapd_get_psk; all sta->psk)
390 */
391 if (sta && sta->psk && !psk) {
392 struct hostapd_sta_wpa_psk_short *pos;
393
394 if (vlan_id)
395 *vlan_id = 0;
396 psk = sta->psk->psk;
397 for (pos = sta->psk; pos; pos = pos->next) {
398 if (pos->is_passphrase) {
399 if (pbkdf2_sha1(pos->passphrase,
400 hapd->conf->ssid.ssid,
401 hapd->conf->ssid.ssid_len, 4096,
402 pos->psk, PMK_LEN) != 0) {
403 wpa_printf(MSG_WARNING,
404 "Error in pbkdf2_sha1()");
405 continue;
406 }
407 pos->is_passphrase = 0;
408 }
409 if (pos->psk == prev_psk) {
410 psk = pos->next ? pos->next->psk : NULL;
411 break;
412 }
413 }
414 }
415 return psk;
416 }
417
418
hostapd_wpa_auth_get_msk(void * ctx,const u8 * addr,u8 * msk,size_t * len)419 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
420 size_t *len)
421 {
422 struct hostapd_data *hapd = ctx;
423 const u8 *key;
424 size_t keylen;
425 struct sta_info *sta;
426
427 sta = ap_get_sta(hapd, addr);
428 if (sta == NULL) {
429 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
430 return -1;
431 }
432
433 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
434 if (key == NULL) {
435 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
436 sta->eapol_sm);
437 return -1;
438 }
439
440 if (keylen > *len)
441 keylen = *len;
442 os_memcpy(msk, key, keylen);
443 *len = keylen;
444
445 return 0;
446 }
447
448
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,enum key_flag key_flag)449 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
450 const u8 *addr, int idx, u8 *key,
451 size_t key_len, enum key_flag key_flag)
452 {
453 struct hostapd_data *hapd = ctx;
454 const char *ifname = hapd->conf->iface;
455
456 if (vlan_id > 0) {
457 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
458 if (!ifname) {
459 if (!(hapd->iface->drv_flags &
460 WPA_DRIVER_FLAGS_VLAN_OFFLOAD))
461 return -1;
462 ifname = hapd->conf->iface;
463 }
464 }
465
466 #ifdef CONFIG_TESTING_OPTIONS
467 if (key_flag & KEY_FLAG_MODIFY) {
468 /* We are updating an already installed key. Don't overwrite
469 * the already stored key information with zeros.
470 */
471 } else if (addr && !is_broadcast_ether_addr(addr)) {
472 struct sta_info *sta;
473
474 sta = ap_get_sta(hapd, addr);
475 if (sta) {
476 sta->last_tk_alg = alg;
477 sta->last_tk_key_idx = idx;
478 if (key)
479 os_memcpy(sta->last_tk, key, key_len);
480 sta->last_tk_len = key_len;
481 }
482 } else if (alg == WPA_ALG_BIP_CMAC_128 ||
483 alg == WPA_ALG_BIP_GMAC_128 ||
484 alg == WPA_ALG_BIP_GMAC_256 ||
485 alg == WPA_ALG_BIP_CMAC_256) {
486 if (idx == 4 || idx == 5) {
487 hapd->last_igtk_alg = alg;
488 hapd->last_igtk_key_idx = idx;
489 if (key)
490 os_memcpy(hapd->last_igtk, key, key_len);
491 hapd->last_igtk_len = key_len;
492 } else if (idx == 6 || idx == 7) {
493 hapd->last_bigtk_alg = alg;
494 hapd->last_bigtk_key_idx = idx;
495 if (key)
496 os_memcpy(hapd->last_bigtk, key, key_len);
497 hapd->last_bigtk_len = key_len;
498 }
499 } else {
500 hapd->last_gtk_alg = alg;
501 hapd->last_gtk_key_idx = idx;
502 if (key)
503 os_memcpy(hapd->last_gtk, key, key_len);
504 hapd->last_gtk_len = key_len;
505 }
506 #endif /* CONFIG_TESTING_OPTIONS */
507 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, vlan_id, 1,
508 NULL, 0, key, key_len, key_flag);
509 }
510
511
hostapd_wpa_auth_get_seqnum(void * ctx,const u8 * addr,int idx,u8 * seq)512 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
513 u8 *seq)
514 {
515 struct hostapd_data *hapd = ctx;
516 int link_id = -1;
517
518 #ifdef CONFIG_IEEE80211BE
519 if (hapd->conf->mld_ap && idx)
520 link_id = hapd->mld_link_id;
521 #endif /* CONFIG_IEEE80211BE */
522 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, link_id,
523 seq);
524 }
525
526
hostapd_wpa_auth_send_eapol(void * ctx,const u8 * addr,const u8 * data,size_t data_len,int encrypt)527 int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
528 const u8 *data, size_t data_len,
529 int encrypt)
530 {
531 struct hostapd_data *hapd = ctx;
532 struct sta_info *sta;
533 u32 flags = 0;
534 int link_id = -1;
535
536 #ifdef CONFIG_IEEE80211BE
537 link_id = hapd->conf->mld_ap ? hapd->mld_link_id : -1;
538 #endif /* CONFIG_IEEE80211BE */
539
540 #ifdef CONFIG_TESTING_OPTIONS
541 if (hapd->ext_eapol_frame_io) {
542 size_t hex_len = 2 * data_len + 1;
543 char *hex = os_malloc(hex_len);
544
545 if (hex == NULL)
546 return -1;
547 wpa_snprintf_hex(hex, hex_len, data, data_len);
548 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
549 MAC2STR(addr), hex);
550 os_free(hex);
551 return 0;
552 }
553 #endif /* CONFIG_TESTING_OPTIONS */
554
555 sta = ap_get_sta(hapd, addr);
556 if (sta) {
557 flags = hostapd_sta_flags_to_drv(sta->flags);
558 #ifdef CONFIG_IEEE80211BE
559 if (sta->mld_info.mld_sta && (sta->flags & WLAN_STA_AUTHORIZED))
560 link_id = -1;
561 #endif /* CONFIG_IEEE80211BE */
562 }
563
564 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
565 encrypt, flags, link_id);
566 }
567
568
hostapd_wpa_auth_get_sta_count(void * ctx)569 static int hostapd_wpa_auth_get_sta_count(void *ctx)
570 {
571 struct hostapd_data *hapd = ctx;
572
573 return hapd->num_sta;
574 }
575
576
hostapd_wpa_auth_for_each_sta(void * ctx,int (* cb)(struct wpa_state_machine * sm,void * ctx),void * cb_ctx)577 static int hostapd_wpa_auth_for_each_sta(
578 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
579 void *cb_ctx)
580 {
581 struct hostapd_data *hapd = ctx;
582 struct sta_info *sta;
583
584 for (sta = hapd->sta_list; sta; sta = sta->next) {
585 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
586 return 1;
587 }
588 return 0;
589 }
590
591
592 struct wpa_auth_iface_iter_data {
593 int (*cb)(struct wpa_authenticator *sm, void *ctx);
594 void *cb_ctx;
595 };
596
wpa_auth_iface_iter(struct hostapd_iface * iface,void * ctx)597 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
598 {
599 struct wpa_auth_iface_iter_data *data = ctx;
600 size_t i;
601 for (i = 0; i < iface->num_bss; i++) {
602 if (iface->bss[i]->wpa_auth &&
603 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
604 return 1;
605 }
606 return 0;
607 }
608
609
hostapd_wpa_auth_for_each_auth(void * ctx,int (* cb)(struct wpa_authenticator * sm,void * ctx),void * cb_ctx)610 static int hostapd_wpa_auth_for_each_auth(
611 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
612 void *cb_ctx)
613 {
614 struct hostapd_data *hapd = ctx;
615 struct wpa_auth_iface_iter_data data;
616 if (hapd->iface->interfaces == NULL ||
617 hapd->iface->interfaces->for_each_interface == NULL)
618 return -1;
619 data.cb = cb;
620 data.cb_ctx = cb_ctx;
621 return hapd->iface->interfaces->for_each_interface(
622 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
623 }
624
625
626 #ifdef CONFIG_IEEE80211R_AP
627
628 struct wpa_ft_rrb_rx_later_data {
629 struct dl_list list;
630 u8 addr[ETH_ALEN];
631 size_t data_len;
632 /* followed by data_len octets of data */
633 };
634
hostapd_wpa_ft_rrb_rx_later(void * eloop_ctx,void * timeout_ctx)635 static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx)
636 {
637 struct hostapd_data *hapd = eloop_ctx;
638 struct wpa_ft_rrb_rx_later_data *data, *n;
639
640 dl_list_for_each_safe(data, n, &hapd->l2_queue,
641 struct wpa_ft_rrb_rx_later_data, list) {
642 if (hapd->wpa_auth) {
643 wpa_ft_rrb_rx(hapd->wpa_auth, data->addr,
644 (const u8 *) (data + 1),
645 data->data_len);
646 }
647 dl_list_del(&data->list);
648 os_free(data);
649 }
650 }
651
652
653 struct wpa_auth_ft_iface_iter_data {
654 struct hostapd_data *src_hapd;
655 const u8 *dst;
656 const u8 *data;
657 size_t data_len;
658 };
659
660
hostapd_wpa_auth_ft_iter(struct hostapd_iface * iface,void * ctx)661 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
662 {
663 struct wpa_auth_ft_iface_iter_data *idata = ctx;
664 struct wpa_ft_rrb_rx_later_data *data;
665 struct hostapd_data *hapd;
666 size_t j;
667
668 for (j = 0; j < iface->num_bss; j++) {
669 hapd = iface->bss[j];
670 if (hapd == idata->src_hapd ||
671 !hapd->wpa_auth ||
672 os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) != 0)
673 continue;
674
675 wpa_printf(MSG_DEBUG,
676 "FT: Send RRB data directly to locally managed BSS "
677 MACSTR "@%s -> " MACSTR "@%s",
678 MAC2STR(idata->src_hapd->own_addr),
679 idata->src_hapd->conf->iface,
680 MAC2STR(hapd->own_addr), hapd->conf->iface);
681
682 /* Defer wpa_ft_rrb_rx() until next eloop step as this is
683 * when it would be triggered when reading from a socket.
684 * This avoids
685 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
686 * that is calling hapd0:recv handler from within
687 * hapd0:send directly.
688 */
689 data = os_zalloc(sizeof(*data) + idata->data_len);
690 if (!data)
691 return 1;
692
693 os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN);
694 os_memcpy(data + 1, idata->data, idata->data_len);
695 data->data_len = idata->data_len;
696
697 dl_list_add(&hapd->l2_queue, &data->list);
698
699 if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later,
700 hapd, NULL))
701 eloop_register_timeout(0, 0,
702 hostapd_wpa_ft_rrb_rx_later,
703 hapd, NULL);
704
705 return 1;
706 }
707
708 return 0;
709 }
710
711 #endif /* CONFIG_IEEE80211R_AP */
712
713
hostapd_wpa_auth_send_ether(void * ctx,const u8 * dst,u16 proto,const u8 * data,size_t data_len)714 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
715 const u8 *data, size_t data_len)
716 {
717 struct hostapd_data *hapd = ctx;
718 struct l2_ethhdr *buf;
719 int ret;
720
721 #ifdef CONFIG_TESTING_OPTIONS
722 if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
723 size_t hex_len = 2 * data_len + 1;
724 char *hex = os_malloc(hex_len);
725
726 if (hex == NULL)
727 return -1;
728 wpa_snprintf_hex(hex, hex_len, data, data_len);
729 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
730 MAC2STR(dst), hex);
731 os_free(hex);
732 return 0;
733 }
734 #endif /* CONFIG_TESTING_OPTIONS */
735
736 #ifdef CONFIG_IEEE80211R_AP
737 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
738 hapd->iface->interfaces->for_each_interface) {
739 int res;
740 struct wpa_auth_ft_iface_iter_data idata;
741 idata.src_hapd = hapd;
742 idata.dst = dst;
743 idata.data = data;
744 idata.data_len = data_len;
745 res = hapd->iface->interfaces->for_each_interface(
746 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
747 &idata);
748 if (res == 1)
749 return data_len;
750 }
751 #endif /* CONFIG_IEEE80211R_AP */
752
753 if (hapd->l2 == NULL)
754 return -1;
755
756 buf = os_malloc(sizeof(*buf) + data_len);
757 if (buf == NULL)
758 return -1;
759 os_memcpy(buf->h_dest, dst, ETH_ALEN);
760 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
761 buf->h_proto = host_to_be16(proto);
762 os_memcpy(buf + 1, data, data_len);
763 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
764 sizeof(*buf) + data_len);
765 os_free(buf);
766 return ret;
767 }
768
769
770 #ifdef CONFIG_ETH_P_OUI
hostapd_wpa_get_oui(struct hostapd_data * hapd,u8 oui_suffix)771 static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd,
772 u8 oui_suffix)
773 {
774 switch (oui_suffix) {
775 #ifdef CONFIG_IEEE80211R_AP
776 case FT_PACKET_R0KH_R1KH_PULL:
777 return hapd->oui_pull;
778 case FT_PACKET_R0KH_R1KH_RESP:
779 return hapd->oui_resp;
780 case FT_PACKET_R0KH_R1KH_PUSH:
781 return hapd->oui_push;
782 case FT_PACKET_R0KH_R1KH_SEQ_REQ:
783 return hapd->oui_sreq;
784 case FT_PACKET_R0KH_R1KH_SEQ_RESP:
785 return hapd->oui_sresp;
786 #endif /* CONFIG_IEEE80211R_AP */
787 default:
788 return NULL;
789 }
790 }
791 #endif /* CONFIG_ETH_P_OUI */
792
793
794 #ifdef CONFIG_IEEE80211R_AP
795
796 struct oui_deliver_later_data {
797 struct dl_list list;
798 u8 src_addr[ETH_ALEN];
799 u8 dst_addr[ETH_ALEN];
800 size_t data_len;
801 u8 oui_suffix;
802 /* followed by data_len octets of data */
803 };
804
hostapd_oui_deliver_later(void * eloop_ctx,void * timeout_ctx)805 static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx)
806 {
807 struct hostapd_data *hapd = eloop_ctx;
808 struct oui_deliver_later_data *data, *n;
809 struct eth_p_oui_ctx *oui_ctx;
810
811 dl_list_for_each_safe(data, n, &hapd->l2_oui_queue,
812 struct oui_deliver_later_data, list) {
813 oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix);
814 wpa_printf(MSG_DEBUG, "RRB(%s): %s src=" MACSTR " dst=" MACSTR
815 " oui_suffix=%u data_len=%u data=%p",
816 hapd->conf->iface, __func__,
817 MAC2STR(data->src_addr), MAC2STR(data->dst_addr),
818 data->oui_suffix, (unsigned int) data->data_len,
819 data);
820 if (hapd->wpa_auth && oui_ctx) {
821 eth_p_oui_deliver(oui_ctx, data->src_addr,
822 data->dst_addr,
823 (const u8 *) (data + 1),
824 data->data_len);
825 }
826 dl_list_del(&data->list);
827 os_free(data);
828 }
829 }
830
831
832 struct wpa_auth_oui_iface_iter_data {
833 struct hostapd_data *src_hapd;
834 const u8 *dst_addr;
835 const u8 *data;
836 size_t data_len;
837 u8 oui_suffix;
838 };
839
hostapd_wpa_auth_oui_iter(struct hostapd_iface * iface,void * ctx)840 static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
841 {
842 struct wpa_auth_oui_iface_iter_data *idata = ctx;
843 struct oui_deliver_later_data *data;
844 struct hostapd_data *hapd, *src_hapd = idata->src_hapd;
845 size_t j;
846
847 for (j = 0; j < iface->num_bss; j++) {
848 hapd = iface->bss[j];
849 if (hapd == src_hapd)
850 continue; /* don't deliver back to same interface */
851 if (!wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) ||
852 hapd->conf->ssid.ssid_len !=
853 src_hapd->conf->ssid.ssid_len ||
854 os_memcmp(hapd->conf->ssid.ssid,
855 src_hapd->conf->ssid.ssid,
856 hapd->conf->ssid.ssid_len) != 0 ||
857 os_memcmp(hapd->conf->mobility_domain,
858 src_hapd->conf->mobility_domain,
859 MOBILITY_DOMAIN_ID_LEN) != 0)
860 continue; /* no matching FT SSID/mobility domain */
861 if (!is_multicast_ether_addr(idata->dst_addr) &&
862 os_memcmp(hapd->own_addr, idata->dst_addr, ETH_ALEN) != 0)
863 continue; /* destination address does not match */
864
865 /* defer eth_p_oui_deliver until next eloop step as this is
866 * when it would be triggerd from reading from sock
867 * This avoids
868 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
869 * that is calling hapd0:recv handler from within
870 * hapd0:send directly.
871 */
872 data = os_zalloc(sizeof(*data) + idata->data_len);
873 if (!data)
874 return 1;
875 wpa_printf(MSG_DEBUG,
876 "RRB(%s): local delivery to %s dst=" MACSTR
877 " oui_suffix=%u data_len=%u data=%p",
878 src_hapd->conf->iface, hapd->conf->iface,
879 MAC2STR(idata->dst_addr), idata->oui_suffix,
880 (unsigned int) idata->data_len, data);
881
882 os_memcpy(data->src_addr, src_hapd->own_addr, ETH_ALEN);
883 os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN);
884 os_memcpy(data + 1, idata->data, idata->data_len);
885 data->data_len = idata->data_len;
886 data->oui_suffix = idata->oui_suffix;
887
888 dl_list_add_tail(&hapd->l2_oui_queue, &data->list);
889
890 if (!eloop_is_timeout_registered(hostapd_oui_deliver_later,
891 hapd, NULL))
892 eloop_register_timeout(0, 0,
893 hostapd_oui_deliver_later,
894 hapd, NULL);
895
896 /* If dst_addr is a multicast address, do not return any
897 * non-zero value here. Otherwise, the iteration of
898 * for_each_interface() will be stopped. */
899 if (!is_multicast_ether_addr(idata->dst_addr))
900 return 1;
901 }
902
903 return 0;
904 }
905
906 #endif /* CONFIG_IEEE80211R_AP */
907
908
hostapd_wpa_auth_send_oui(void * ctx,const u8 * dst,u8 oui_suffix,const u8 * data,size_t data_len)909 static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix,
910 const u8 *data, size_t data_len)
911 {
912 #ifdef CONFIG_ETH_P_OUI
913 struct hostapd_data *hapd = ctx;
914 struct eth_p_oui_ctx *oui_ctx;
915
916 wpa_printf(MSG_DEBUG, "RRB(%s): send to dst=" MACSTR
917 " oui_suffix=%u data_len=%u",
918 hapd->conf->iface, MAC2STR(dst), oui_suffix,
919 (unsigned int) data_len);
920 #ifdef CONFIG_IEEE80211R_AP
921 if (hapd->iface->interfaces &&
922 hapd->iface->interfaces->for_each_interface) {
923 struct wpa_auth_oui_iface_iter_data idata;
924 int res;
925
926 idata.src_hapd = hapd;
927 idata.dst_addr = dst;
928 idata.data = data;
929 idata.data_len = data_len;
930 idata.oui_suffix = oui_suffix;
931 res = hapd->iface->interfaces->for_each_interface(
932 hapd->iface->interfaces, hostapd_wpa_auth_oui_iter,
933 &idata);
934 if (res == 1)
935 return data_len;
936 }
937 #endif /* CONFIG_IEEE80211R_AP */
938
939 oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix);
940 if (!oui_ctx)
941 return -1;
942
943 return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len);
944 #else /* CONFIG_ETH_P_OUI */
945 return -1;
946 #endif /* CONFIG_ETH_P_OUI */
947 }
948
949
hostapd_channel_info(void * ctx,struct wpa_channel_info * ci)950 static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
951 {
952 struct hostapd_data *hapd = ctx;
953
954 return hostapd_drv_channel_info(hapd, ci);
955 }
956
957
958 #ifdef CONFIG_PASN
959
hostapd_store_ptksa(void * ctx,const u8 * addr,int cipher,u32 life_time,const struct wpa_ptk * ptk)960 static void hostapd_store_ptksa(void *ctx, const u8 *addr,int cipher,
961 u32 life_time, const struct wpa_ptk *ptk)
962 {
963 struct hostapd_data *hapd = ctx;
964
965 ptksa_cache_add(hapd->ptksa, hapd->own_addr, addr, cipher, life_time,
966 ptk, NULL, NULL, 0);
967 }
968
969
hostapd_clear_ptksa(void * ctx,const u8 * addr,int cipher)970 static void hostapd_clear_ptksa(void *ctx, const u8 *addr, int cipher)
971 {
972 struct hostapd_data *hapd = ctx;
973
974 ptksa_cache_flush(hapd->ptksa, addr, cipher);
975 }
976
977 #endif /* CONFIG_PASN */
978
979
hostapd_wpa_auth_update_vlan(void * ctx,const u8 * addr,int vlan_id)980 static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
981 {
982 #ifndef CONFIG_NO_VLAN
983 struct hostapd_data *hapd = ctx;
984 struct sta_info *sta;
985
986 sta = ap_get_sta(hapd, addr);
987 if (!sta)
988 return -1;
989
990 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
991 struct vlan_description vlan_desc;
992
993 os_memset(&vlan_desc, 0, sizeof(vlan_desc));
994 vlan_desc.notempty = 1;
995 vlan_desc.untagged = vlan_id;
996 if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
997 wpa_printf(MSG_INFO,
998 "Invalid VLAN ID %d in wpa_psk_file",
999 vlan_id);
1000 return -1;
1001 }
1002
1003 if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) {
1004 wpa_printf(MSG_INFO,
1005 "Failed to assign VLAN ID %d from wpa_psk_file to "
1006 MACSTR, vlan_id, MAC2STR(sta->addr));
1007 return -1;
1008 }
1009 } else {
1010 sta->vlan_id = vlan_id;
1011 }
1012
1013 wpa_printf(MSG_INFO,
1014 "Assigned VLAN ID %d from wpa_psk_file to " MACSTR,
1015 vlan_id, MAC2STR(sta->addr));
1016 if ((sta->flags & WLAN_STA_ASSOC) &&
1017 ap_sta_bind_vlan(hapd, sta) < 0)
1018 return -1;
1019 #endif /* CONFIG_NO_VLAN */
1020
1021 return 0;
1022 }
1023
1024
1025 #ifdef CONFIG_OCV
hostapd_get_sta_tx_params(void * ctx,const u8 * addr,int ap_max_chanwidth,int ap_seg1_idx,int * bandwidth,int * seg1_idx)1026 static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr,
1027 int ap_max_chanwidth, int ap_seg1_idx,
1028 int *bandwidth, int *seg1_idx)
1029 {
1030 struct hostapd_data *hapd = ctx;
1031 struct sta_info *sta;
1032
1033 sta = ap_get_sta(hapd, addr);
1034 if (!sta) {
1035 hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO,
1036 "Failed to get STA info to validate received OCI");
1037 return -1;
1038 }
1039
1040 return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth,
1041 seg1_idx);
1042 }
1043 #endif /* CONFIG_OCV */
1044
1045
1046 #ifdef CONFIG_IEEE80211R_AP
1047
hostapd_wpa_auth_send_ft_action(void * ctx,const u8 * dst,const u8 * data,size_t data_len)1048 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
1049 const u8 *data, size_t data_len)
1050 {
1051 struct hostapd_data *hapd = ctx;
1052 int res;
1053 struct ieee80211_mgmt *m;
1054 size_t mlen;
1055 struct sta_info *sta;
1056
1057 sta = ap_get_sta(hapd, dst);
1058 if (sta == NULL || sta->wpa_sm == NULL)
1059 return -1;
1060
1061 m = os_zalloc(sizeof(*m) + data_len);
1062 if (m == NULL)
1063 return -1;
1064 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
1065 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1066 WLAN_FC_STYPE_ACTION);
1067 os_memcpy(m->da, dst, ETH_ALEN);
1068 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
1069 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
1070 os_memcpy(&m->u, data, data_len);
1071
1072 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0, NULL, 0, 0);
1073 os_free(m);
1074 return res;
1075 }
1076
1077
1078 static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void * ctx,const u8 * sta_addr)1079 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
1080 {
1081 struct hostapd_data *hapd = ctx;
1082 struct sta_info *sta;
1083 int ret;
1084
1085 wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR
1086 " based on WPA authenticator callback",
1087 MAC2STR(sta_addr));
1088 ret = hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT);
1089
1090 /*
1091 * The expected return values from hostapd_add_sta_node() are
1092 * 0: successfully added STA entry
1093 * -EOPNOTSUPP: driver or driver wrapper does not support/need this
1094 * operations
1095 * any other negative value: error in adding the STA entry */
1096 if (ret < 0 && ret != -EOPNOTSUPP)
1097 return NULL;
1098
1099 sta = ap_sta_add(hapd, sta_addr);
1100 if (sta == NULL)
1101 return NULL;
1102 if (ret == 0)
1103 sta->added_unassoc = 1;
1104
1105 sta->ft_over_ds = 1;
1106 if (sta->wpa_sm) {
1107 sta->auth_alg = WLAN_AUTH_FT;
1108 return sta->wpa_sm;
1109 }
1110
1111 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
1112 if (sta->wpa_sm == NULL) {
1113 ap_free_sta(hapd, sta);
1114 return NULL;
1115 }
1116 sta->auth_alg = WLAN_AUTH_FT;
1117
1118 return sta->wpa_sm;
1119 }
1120
1121
hostapd_wpa_auth_add_sta_ft(void * ctx,const u8 * sta_addr)1122 static int hostapd_wpa_auth_add_sta_ft(void *ctx, const u8 *sta_addr)
1123 {
1124 struct hostapd_data *hapd = ctx;
1125 struct sta_info *sta;
1126
1127 sta = ap_get_sta(hapd, sta_addr);
1128 if (!sta)
1129 return -1;
1130
1131 if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) &&
1132 (sta->flags & WLAN_STA_MFP) && ap_sta_is_authorized(sta) &&
1133 !(hapd->conf->mesh & MESH_ENABLED) && !(sta->added_unassoc)) {
1134 /* We could not do this in handle_auth() since there was a
1135 * PMF-enabled association for the STA and the new
1136 * authentication attempt was not yet fully processed. Now that
1137 * we are ready to configure the TK to the driver,
1138 * authentication has succeeded and we can clean up the driver
1139 * STA entry to avoid issues with any maintained state from the
1140 * previous association. */
1141 wpa_printf(MSG_DEBUG,
1142 "FT: Remove and re-add driver STA entry after successful FT authentication");
1143 return ap_sta_re_add(hapd, sta);
1144 }
1145
1146 return 0;
1147 }
1148
1149
hostapd_wpa_auth_set_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1150 static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr,
1151 struct vlan_description *vlan)
1152 {
1153 struct hostapd_data *hapd = ctx;
1154 struct sta_info *sta;
1155
1156 sta = ap_get_sta(hapd, sta_addr);
1157 if (!sta || !sta->wpa_sm)
1158 return -1;
1159
1160 if (vlan->notempty &&
1161 !hostapd_vlan_valid(hapd->conf->vlan, vlan)) {
1162 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1163 HOSTAPD_LEVEL_INFO,
1164 "Invalid VLAN %d%s received from FT",
1165 vlan->untagged, vlan->tagged[0] ? "+" : "");
1166 return -1;
1167 }
1168
1169 if (ap_sta_set_vlan(hapd, sta, vlan) < 0)
1170 return -1;
1171 /* Configure wpa_group for GTK but ignore error due to driver not
1172 * knowing this STA. */
1173 ap_sta_bind_vlan(hapd, sta);
1174
1175 if (sta->vlan_id)
1176 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1177 HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
1178
1179 return 0;
1180 }
1181
1182
hostapd_wpa_auth_get_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1183 static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr,
1184 struct vlan_description *vlan)
1185 {
1186 struct hostapd_data *hapd = ctx;
1187 struct sta_info *sta;
1188
1189 sta = ap_get_sta(hapd, sta_addr);
1190 if (!sta)
1191 return -1;
1192
1193 if (sta->vlan_desc)
1194 *vlan = *sta->vlan_desc;
1195 else
1196 os_memset(vlan, 0, sizeof(*vlan));
1197
1198 return 0;
1199 }
1200
1201
1202 static int
hostapd_wpa_auth_set_identity(void * ctx,const u8 * sta_addr,const u8 * identity,size_t identity_len)1203 hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr,
1204 const u8 *identity, size_t identity_len)
1205 {
1206 struct hostapd_data *hapd = ctx;
1207 struct sta_info *sta;
1208
1209 sta = ap_get_sta(hapd, sta_addr);
1210 if (!sta)
1211 return -1;
1212
1213 os_free(sta->identity);
1214 sta->identity = NULL;
1215
1216 if (sta->eapol_sm) {
1217 os_free(sta->eapol_sm->identity);
1218 sta->eapol_sm->identity = NULL;
1219 sta->eapol_sm->identity_len = 0;
1220 }
1221
1222 if (!identity_len)
1223 return 0;
1224
1225 /* sta->identity is NULL terminated */
1226 sta->identity = os_zalloc(identity_len + 1);
1227 if (!sta->identity)
1228 return -1;
1229 os_memcpy(sta->identity, identity, identity_len);
1230
1231 if (sta->eapol_sm) {
1232 sta->eapol_sm->identity = os_zalloc(identity_len);
1233 if (!sta->eapol_sm->identity)
1234 return -1;
1235 os_memcpy(sta->eapol_sm->identity, identity, identity_len);
1236 sta->eapol_sm->identity_len = identity_len;
1237 }
1238
1239 return 0;
1240 }
1241
1242
1243 static size_t
hostapd_wpa_auth_get_identity(void * ctx,const u8 * sta_addr,const u8 ** buf)1244 hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf)
1245 {
1246 struct hostapd_data *hapd = ctx;
1247 struct sta_info *sta;
1248 size_t len;
1249 char *identity;
1250
1251 sta = ap_get_sta(hapd, sta_addr);
1252 if (!sta)
1253 return 0;
1254
1255 *buf = ieee802_1x_get_identity(sta->eapol_sm, &len);
1256 if (*buf && len)
1257 return len;
1258
1259 if (!sta->identity) {
1260 *buf = NULL;
1261 return 0;
1262 }
1263
1264 identity = sta->identity;
1265 len = os_strlen(identity);
1266 *buf = (u8 *) identity;
1267
1268 return len;
1269 }
1270
1271
1272 static int
hostapd_wpa_auth_set_radius_cui(void * ctx,const u8 * sta_addr,const u8 * radius_cui,size_t radius_cui_len)1273 hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr,
1274 const u8 *radius_cui, size_t radius_cui_len)
1275 {
1276 struct hostapd_data *hapd = ctx;
1277 struct sta_info *sta;
1278
1279 sta = ap_get_sta(hapd, sta_addr);
1280 if (!sta)
1281 return -1;
1282
1283 os_free(sta->radius_cui);
1284 sta->radius_cui = NULL;
1285
1286 if (sta->eapol_sm) {
1287 wpabuf_free(sta->eapol_sm->radius_cui);
1288 sta->eapol_sm->radius_cui = NULL;
1289 }
1290
1291 if (!radius_cui)
1292 return 0;
1293
1294 /* sta->radius_cui is NULL terminated */
1295 sta->radius_cui = os_zalloc(radius_cui_len + 1);
1296 if (!sta->radius_cui)
1297 return -1;
1298 os_memcpy(sta->radius_cui, radius_cui, radius_cui_len);
1299
1300 if (sta->eapol_sm) {
1301 sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui,
1302 radius_cui_len);
1303 if (!sta->eapol_sm->radius_cui)
1304 return -1;
1305 }
1306
1307 return 0;
1308 }
1309
1310
1311 static size_t
hostapd_wpa_auth_get_radius_cui(void * ctx,const u8 * sta_addr,const u8 ** buf)1312 hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf)
1313 {
1314 struct hostapd_data *hapd = ctx;
1315 struct sta_info *sta;
1316 struct wpabuf *b;
1317 size_t len;
1318 char *radius_cui;
1319
1320 sta = ap_get_sta(hapd, sta_addr);
1321 if (!sta)
1322 return 0;
1323
1324 b = ieee802_1x_get_radius_cui(sta->eapol_sm);
1325 if (b) {
1326 len = wpabuf_len(b);
1327 *buf = wpabuf_head(b);
1328 return len;
1329 }
1330
1331 if (!sta->radius_cui) {
1332 *buf = NULL;
1333 return 0;
1334 }
1335
1336 radius_cui = sta->radius_cui;
1337 len = os_strlen(radius_cui);
1338 *buf = (u8 *) radius_cui;
1339
1340 return len;
1341 }
1342
1343
hostapd_wpa_auth_set_session_timeout(void * ctx,const u8 * sta_addr,int session_timeout)1344 static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr,
1345 int session_timeout)
1346 {
1347 struct hostapd_data *hapd = ctx;
1348 struct sta_info *sta;
1349
1350 sta = ap_get_sta(hapd, sta_addr);
1351 if (!sta)
1352 return;
1353
1354 if (session_timeout) {
1355 os_get_reltime(&sta->session_timeout);
1356 sta->session_timeout.sec += session_timeout;
1357 sta->session_timeout_set = 1;
1358 ap_sta_session_timeout(hapd, sta, session_timeout);
1359 } else {
1360 sta->session_timeout_set = 0;
1361 ap_sta_no_session_timeout(hapd, sta);
1362 }
1363 }
1364
1365
hostapd_wpa_auth_get_session_timeout(void * ctx,const u8 * sta_addr)1366 static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr)
1367 {
1368 struct hostapd_data *hapd = ctx;
1369 struct sta_info *sta;
1370 struct os_reltime now, remaining;
1371
1372 sta = ap_get_sta(hapd, sta_addr);
1373 if (!sta || !sta->session_timeout_set)
1374 return 0;
1375
1376 os_get_reltime(&now);
1377 if (os_reltime_before(&sta->session_timeout, &now)) {
1378 /* already expired, return >0 as timeout was set */
1379 return 1;
1380 }
1381
1382 os_reltime_sub(&sta->session_timeout, &now, &remaining);
1383
1384 return (remaining.sec > 0) ? remaining.sec : 1;
1385 }
1386
1387
hostapd_rrb_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1388 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
1389 size_t len)
1390 {
1391 struct hostapd_data *hapd = ctx;
1392 struct l2_ethhdr *ethhdr;
1393 if (len < sizeof(*ethhdr))
1394 return;
1395 ethhdr = (struct l2_ethhdr *) buf;
1396 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1397 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
1398 if (!is_multicast_ether_addr(ethhdr->h_dest) &&
1399 os_memcmp(hapd->own_addr, ethhdr->h_dest, ETH_ALEN) != 0)
1400 return;
1401 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
1402 len - sizeof(*ethhdr));
1403 }
1404
1405
hostapd_rrb_oui_receive(void * ctx,const u8 * src_addr,const u8 * dst_addr,u8 oui_suffix,const u8 * buf,size_t len)1406 static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr,
1407 const u8 *dst_addr, u8 oui_suffix,
1408 const u8 *buf, size_t len)
1409 {
1410 struct hostapd_data *hapd = ctx;
1411
1412 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1413 MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr));
1414 if (!is_multicast_ether_addr(dst_addr) &&
1415 os_memcmp(hapd->own_addr, dst_addr, ETH_ALEN) != 0)
1416 return;
1417 wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf,
1418 len);
1419 }
1420
1421
hostapd_wpa_auth_add_tspec(void * ctx,const u8 * sta_addr,u8 * tspec_ie,size_t tspec_ielen)1422 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
1423 u8 *tspec_ie, size_t tspec_ielen)
1424 {
1425 struct hostapd_data *hapd = ctx;
1426 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
1427 }
1428
1429
1430
hostapd_wpa_register_ft_oui(struct hostapd_data * hapd,const char * ft_iface)1431 static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd,
1432 const char *ft_iface)
1433 {
1434 hapd->oui_pull = eth_p_oui_register(hapd, ft_iface,
1435 FT_PACKET_R0KH_R1KH_PULL,
1436 hostapd_rrb_oui_receive, hapd);
1437 if (!hapd->oui_pull)
1438 return -1;
1439
1440 hapd->oui_resp = eth_p_oui_register(hapd, ft_iface,
1441 FT_PACKET_R0KH_R1KH_RESP,
1442 hostapd_rrb_oui_receive, hapd);
1443 if (!hapd->oui_resp)
1444 return -1;
1445
1446 hapd->oui_push = eth_p_oui_register(hapd, ft_iface,
1447 FT_PACKET_R0KH_R1KH_PUSH,
1448 hostapd_rrb_oui_receive, hapd);
1449 if (!hapd->oui_push)
1450 return -1;
1451
1452 hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface,
1453 FT_PACKET_R0KH_R1KH_SEQ_REQ,
1454 hostapd_rrb_oui_receive, hapd);
1455 if (!hapd->oui_sreq)
1456 return -1;
1457
1458 hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface,
1459 FT_PACKET_R0KH_R1KH_SEQ_RESP,
1460 hostapd_rrb_oui_receive, hapd);
1461 if (!hapd->oui_sresp)
1462 return -1;
1463
1464 return 0;
1465 }
1466
1467
hostapd_wpa_unregister_ft_oui(struct hostapd_data * hapd)1468 static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd)
1469 {
1470 eth_p_oui_unregister(hapd->oui_pull);
1471 hapd->oui_pull = NULL;
1472 eth_p_oui_unregister(hapd->oui_resp);
1473 hapd->oui_resp = NULL;
1474 eth_p_oui_unregister(hapd->oui_push);
1475 hapd->oui_push = NULL;
1476 eth_p_oui_unregister(hapd->oui_sreq);
1477 hapd->oui_sreq = NULL;
1478 eth_p_oui_unregister(hapd->oui_sresp);
1479 hapd->oui_sresp = NULL;
1480 }
1481 #endif /* CONFIG_IEEE80211R_AP */
1482
1483
1484 #ifndef CONFIG_NO_RADIUS
hostapd_request_radius_psk(void * ctx,const u8 * addr,int key_mgmt,const u8 * anonce,const u8 * eapol,size_t eapol_len)1485 static void hostapd_request_radius_psk(void *ctx, const u8 *addr, int key_mgmt,
1486 const u8 *anonce,
1487 const u8 *eapol, size_t eapol_len)
1488 {
1489 struct hostapd_data *hapd = ctx;
1490
1491 wpa_printf(MSG_DEBUG, "RADIUS PSK request for " MACSTR " key_mgmt=0x%x",
1492 MAC2STR(addr), key_mgmt);
1493 wpa_hexdump(MSG_DEBUG, "ANonce", anonce, WPA_NONCE_LEN);
1494 wpa_hexdump(MSG_DEBUG, "EAPOL", eapol, eapol_len);
1495 hostapd_acl_req_radius_psk(hapd, addr, key_mgmt, anonce, eapol,
1496 eapol_len);
1497 }
1498 #endif /* CONFIG_NO_RADIUS */
1499
1500
1501 #ifdef CONFIG_PASN
hostapd_set_ltf_keyseed(void * ctx,const u8 * peer_addr,const u8 * ltf_keyseed,size_t ltf_keyseed_len)1502 static int hostapd_set_ltf_keyseed(void *ctx, const u8 *peer_addr,
1503 const u8 *ltf_keyseed,
1504 size_t ltf_keyseed_len)
1505 {
1506 struct hostapd_data *hapd = ctx;
1507
1508 return hostapd_drv_set_secure_ranging_ctx(hapd, hapd->own_addr,
1509 peer_addr, 0, 0, NULL,
1510 ltf_keyseed_len,
1511 ltf_keyseed, 0);
1512 }
1513 #endif /* CONFIG_PASN */
1514
1515
1516 #ifdef CONFIG_IEEE80211BE
1517
hostapd_wpa_auth_get_ml_rsn_info(void * ctx,struct wpa_auth_ml_rsn_info * info)1518 static int hostapd_wpa_auth_get_ml_rsn_info(void *ctx,
1519 struct wpa_auth_ml_rsn_info *info)
1520 {
1521 struct hostapd_data *hapd = ctx;
1522 unsigned int i, j;
1523
1524 wpa_printf(MSG_DEBUG, "WPA_AUTH: MLD: Get RSN info CB: n_mld_links=%u",
1525 info->n_mld_links);
1526
1527 if (!hapd->conf->mld_ap || !hapd->iface || !hapd->iface->interfaces)
1528 return -1;
1529
1530 for (i = 0; i < info->n_mld_links; i++) {
1531 unsigned int link_id = info->links[i].link_id;
1532
1533 wpa_printf(MSG_DEBUG,
1534 "WPA_AUTH: MLD: Get link RSN CB: link_id=%u",
1535 link_id);
1536
1537 for (j = 0; j < hapd->iface->interfaces->count; j++) {
1538 struct hostapd_iface *iface =
1539 hapd->iface->interfaces->iface[j];
1540
1541 if (!iface->bss[0]->conf->mld_ap ||
1542 hapd->conf->mld_id != iface->bss[0]->conf->mld_id ||
1543 link_id != iface->bss[0]->mld_link_id)
1544 continue;
1545
1546 wpa_auth_ml_get_rsn_info(iface->bss[0]->wpa_auth,
1547 &info->links[i]);
1548 break;
1549 }
1550
1551 if (j == hapd->iface->interfaces->count)
1552 wpa_printf(MSG_DEBUG,
1553 "WPA_AUTH: MLD: link=%u not found", link_id);
1554 }
1555
1556 return 0;
1557 }
1558
1559
hostapd_wpa_auth_get_ml_key_info(void * ctx,struct wpa_auth_ml_key_info * info)1560 static int hostapd_wpa_auth_get_ml_key_info(void *ctx,
1561 struct wpa_auth_ml_key_info *info)
1562 {
1563 struct hostapd_data *hapd = ctx;
1564 unsigned int i, j;
1565
1566 wpa_printf(MSG_DEBUG, "WPA_AUTH: MLD: Get key info CB: n_mld_links=%u",
1567 info->n_mld_links);
1568
1569 if (!hapd->conf->mld_ap || !hapd->iface || !hapd->iface->interfaces)
1570 return -1;
1571
1572 for (i = 0; i < info->n_mld_links; i++) {
1573 u8 link_id = info->links[i].link_id;
1574
1575 wpa_printf(MSG_DEBUG,
1576 "WPA_AUTH: MLD: Get link info CB: link_id=%u",
1577 link_id);
1578
1579 for (j = 0; j < hapd->iface->interfaces->count; j++) {
1580 struct hostapd_iface *iface =
1581 hapd->iface->interfaces->iface[j];
1582
1583 if (!iface->bss[0]->conf->mld_ap ||
1584 hapd->conf->mld_id != iface->bss[0]->conf->mld_id ||
1585 link_id != iface->bss[0]->mld_link_id)
1586 continue;
1587
1588 wpa_auth_ml_get_key_info(iface->bss[0]->wpa_auth,
1589 &info->links[i],
1590 info->mgmt_frame_prot,
1591 info->beacon_prot);
1592 break;
1593 }
1594
1595 if (j == hapd->iface->interfaces->count)
1596 wpa_printf(MSG_DEBUG,
1597 "WPA_AUTH: MLD: link=%u not found", link_id);
1598 }
1599
1600 return 0;
1601 }
1602
1603 #endif /* CONFIG_IEEE80211BE */
1604
1605
hostapd_wpa_auth_get_drv_flags(void * ctx,u64 * drv_flags,u64 * drv_flags2)1606 static int hostapd_wpa_auth_get_drv_flags(void *ctx,
1607 u64 *drv_flags, u64 *drv_flags2)
1608 {
1609 struct hostapd_data *hapd = ctx;
1610
1611 if (drv_flags)
1612 *drv_flags = hapd->iface->drv_flags;
1613 if (drv_flags2)
1614 *drv_flags2 = hapd->iface->drv_flags2;
1615
1616 return 0;
1617 }
1618
1619
hostapd_setup_wpa(struct hostapd_data * hapd)1620 int hostapd_setup_wpa(struct hostapd_data *hapd)
1621 {
1622 struct wpa_auth_config _conf;
1623 static const struct wpa_auth_callbacks cb = {
1624 .logger = hostapd_wpa_auth_logger,
1625 .disconnect = hostapd_wpa_auth_disconnect,
1626 .mic_failure_report = hostapd_wpa_auth_mic_failure_report,
1627 .psk_failure_report = hostapd_wpa_auth_psk_failure_report,
1628 .set_eapol = hostapd_wpa_auth_set_eapol,
1629 .get_eapol = hostapd_wpa_auth_get_eapol,
1630 .get_psk = hostapd_wpa_auth_get_psk,
1631 .get_msk = hostapd_wpa_auth_get_msk,
1632 .set_key = hostapd_wpa_auth_set_key,
1633 .get_seqnum = hostapd_wpa_auth_get_seqnum,
1634 .send_eapol = hostapd_wpa_auth_send_eapol,
1635 .get_sta_count = hostapd_wpa_auth_get_sta_count,
1636 .for_each_sta = hostapd_wpa_auth_for_each_sta,
1637 .for_each_auth = hostapd_wpa_auth_for_each_auth,
1638 .send_ether = hostapd_wpa_auth_send_ether,
1639 .send_oui = hostapd_wpa_auth_send_oui,
1640 .channel_info = hostapd_channel_info,
1641 .update_vlan = hostapd_wpa_auth_update_vlan,
1642 #ifdef CONFIG_PASN
1643 .store_ptksa = hostapd_store_ptksa,
1644 .clear_ptksa = hostapd_clear_ptksa,
1645 #endif /* CONFIG_PASN */
1646
1647 #ifdef CONFIG_OCV
1648 .get_sta_tx_params = hostapd_get_sta_tx_params,
1649 #endif /* CONFIG_OCV */
1650 #ifdef CONFIG_IEEE80211R_AP
1651 .send_ft_action = hostapd_wpa_auth_send_ft_action,
1652 .add_sta = hostapd_wpa_auth_add_sta,
1653 .add_sta_ft = hostapd_wpa_auth_add_sta_ft,
1654 .add_tspec = hostapd_wpa_auth_add_tspec,
1655 .set_vlan = hostapd_wpa_auth_set_vlan,
1656 .get_vlan = hostapd_wpa_auth_get_vlan,
1657 .set_identity = hostapd_wpa_auth_set_identity,
1658 .get_identity = hostapd_wpa_auth_get_identity,
1659 .set_radius_cui = hostapd_wpa_auth_set_radius_cui,
1660 .get_radius_cui = hostapd_wpa_auth_get_radius_cui,
1661 .set_session_timeout = hostapd_wpa_auth_set_session_timeout,
1662 .get_session_timeout = hostapd_wpa_auth_get_session_timeout,
1663 #endif /* CONFIG_IEEE80211R_AP */
1664 #ifndef CONFIG_NO_RADIUS
1665 .request_radius_psk = hostapd_request_radius_psk,
1666 #endif /* CONFIG_NO_RADIUS */
1667 #ifdef CONFIG_PASN
1668 .set_ltf_keyseed = hostapd_set_ltf_keyseed,
1669 #endif /* CONFIG_PASN */
1670 #ifdef CONFIG_IEEE80211BE
1671 .get_ml_rsn_info = hostapd_wpa_auth_get_ml_rsn_info,
1672 .get_ml_key_info = hostapd_wpa_auth_get_ml_key_info,
1673 #endif /* CONFIG_IEEE80211BE */
1674 .get_drv_flags = hostapd_wpa_auth_get_drv_flags,
1675 };
1676 const u8 *wpa_ie;
1677 size_t wpa_ie_len;
1678
1679 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
1680 _conf.msg_ctx = hapd->msg_ctx;
1681 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
1682 _conf.tx_status = 1;
1683 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
1684 _conf.ap_mlme = 1;
1685
1686 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) &&
1687 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_NEVER ||
1688 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_LOCAL_OK &&
1689 !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS)))) {
1690 wpa_msg(hapd->msg_ctx, MSG_INFO,
1691 "Disable PTK0 rekey support - replaced with disconnect");
1692 _conf.wpa_deny_ptk0_rekey = 1;
1693 }
1694
1695 if (_conf.extended_key_id &&
1696 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EXTENDED_KEY_ID))
1697 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Extended Key ID supported");
1698 else
1699 _conf.extended_key_id = 0;
1700
1701 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION))
1702 _conf.beacon_prot = 0;
1703
1704 #ifdef CONFIG_OCV
1705 if (!(hapd->iface->drv_flags2 &
1706 (WPA_DRIVER_FLAGS2_AP_SME | WPA_DRIVER_FLAGS2_OCV)))
1707 _conf.ocv = 0;
1708 #endif /* CONFIG_OCV */
1709
1710 _conf.secure_ltf =
1711 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_LTF_AP);
1712 _conf.secure_rtt =
1713 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_RTT_AP);
1714 _conf.prot_range_neg =
1715 !!(hapd->iface->drv_flags2 &
1716 WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP);
1717
1718 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd);
1719 if (hapd->wpa_auth == NULL) {
1720 wpa_printf(MSG_ERROR, "WPA initialization failed.");
1721 return -1;
1722 }
1723
1724 if (hostapd_set_privacy(hapd, 1)) {
1725 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1726 "for interface %s", hapd->conf->iface);
1727 return -1;
1728 }
1729
1730 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1731 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1732 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1733 "the kernel driver.");
1734 return -1;
1735 }
1736
1737 if (rsn_preauth_iface_init(hapd)) {
1738 wpa_printf(MSG_ERROR, "Initialization of RSN "
1739 "pre-authentication failed.");
1740 return -1;
1741 }
1742
1743 if (!hapd->ptksa)
1744 hapd->ptksa = ptksa_cache_init();
1745 if (!hapd->ptksa) {
1746 wpa_printf(MSG_ERROR, "Failed to allocate PTKSA cache");
1747 return -1;
1748 }
1749
1750 #ifdef CONFIG_IEEE80211R_AP
1751 if (!hostapd_drv_none(hapd) &&
1752 wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
1753 const char *ft_iface;
1754
1755 ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge :
1756 hapd->conf->iface;
1757 hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB,
1758 hostapd_rrb_receive, hapd, 1);
1759 if (!hapd->l2) {
1760 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
1761 "interface");
1762 return -1;
1763 }
1764
1765 if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) {
1766 wpa_printf(MSG_ERROR,
1767 "Failed to open ETH_P_OUI interface");
1768 return -1;
1769 }
1770 }
1771 #endif /* CONFIG_IEEE80211R_AP */
1772
1773 return 0;
1774
1775 }
1776
1777
hostapd_reconfig_wpa(struct hostapd_data * hapd)1778 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
1779 {
1780 struct wpa_auth_config wpa_auth_conf;
1781 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
1782 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
1783 }
1784
1785
hostapd_deinit_wpa(struct hostapd_data * hapd)1786 void hostapd_deinit_wpa(struct hostapd_data *hapd)
1787 {
1788 ieee80211_tkip_countermeasures_deinit(hapd);
1789 ptksa_cache_deinit(hapd->ptksa);
1790 hapd->ptksa = NULL;
1791
1792 rsn_preauth_iface_deinit(hapd);
1793 if (hapd->wpa_auth) {
1794 wpa_deinit(hapd->wpa_auth);
1795 hapd->wpa_auth = NULL;
1796
1797 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
1798 wpa_printf(MSG_DEBUG, "Could not disable "
1799 "PrivacyInvoked for interface %s",
1800 hapd->conf->iface);
1801 }
1802
1803 if (hapd->drv_priv &&
1804 hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
1805 wpa_printf(MSG_DEBUG, "Could not remove generic "
1806 "information element from interface %s",
1807 hapd->conf->iface);
1808 }
1809 }
1810 ieee802_1x_deinit(hapd);
1811
1812 #ifdef CONFIG_IEEE80211R_AP
1813 eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX);
1814 hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */
1815 eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX);
1816 hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */
1817 l2_packet_deinit(hapd->l2);
1818 hapd->l2 = NULL;
1819 hostapd_wpa_unregister_ft_oui(hapd);
1820 #endif /* CONFIG_IEEE80211R_AP */
1821
1822 #ifdef CONFIG_TESTING_OPTIONS
1823 forced_memzero(hapd->last_gtk, WPA_GTK_MAX_LEN);
1824 forced_memzero(hapd->last_igtk, WPA_IGTK_MAX_LEN);
1825 forced_memzero(hapd->last_bigtk, WPA_BIGTK_MAX_LEN);
1826 #endif /* CONFIG_TESTING_OPTIONS */
1827 }
1828