1 /*
2 * hostapd / WPA authenticator glue code
3 * Copyright (c) 2002-2022, Jouni Malinen <[email protected]>
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->rsn_override_key_mgmt = conf->rsn_override_key_mgmt;
49 wconf->rsn_override_key_mgmt_2 = conf->rsn_override_key_mgmt_2;
50 wconf->wpa_pairwise = conf->wpa_pairwise;
51 wconf->wpa_group = conf->wpa_group;
52 wconf->wpa_group_rekey = conf->wpa_group_rekey;
53 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
54 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
55 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
56 wconf->wpa_group_update_count = conf->wpa_group_update_count;
57 wconf->wpa_disable_eapol_key_retries =
58 conf->wpa_disable_eapol_key_retries;
59 wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count;
60 wconf->rsn_pairwise = conf->rsn_pairwise;
61 wconf->rsn_override_pairwise = conf->rsn_override_pairwise;
62 wconf->rsn_override_pairwise_2 = conf->rsn_override_pairwise_2;
63 wconf->rsn_preauth = conf->rsn_preauth;
64 wconf->eapol_version = conf->eapol_version;
65 #ifdef CONFIG_MACSEC
66 if (wconf->eapol_version > 2)
67 wconf->eapol_version = 2;
68 #endif /* CONFIG_MACSEC */
69 wconf->wmm_enabled = conf->wmm_enabled;
70 wconf->wmm_uapsd = conf->wmm_uapsd;
71 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
72 #ifdef CONFIG_OCV
73 wconf->ocv = conf->ocv;
74 #endif /* CONFIG_OCV */
75 wconf->okc = conf->okc;
76 wconf->ieee80211w = conf->ieee80211w;
77 wconf->rsn_override_mfp = conf->rsn_override_mfp;
78 wconf->rsn_override_mfp_2 = conf->rsn_override_mfp_2;
79 wconf->beacon_prot = conf->beacon_prot;
80 wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
81 wconf->sae_require_mfp = conf->sae_require_mfp;
82 wconf->ssid_protection = conf->ssid_protection;
83 wconf->ssid_len = conf->ssid.ssid_len;
84 if (wconf->ssid_len > SSID_MAX_LEN)
85 wconf->ssid_len = SSID_MAX_LEN;
86 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
87 #ifdef CONFIG_IEEE80211R_AP
88 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
89 MOBILITY_DOMAIN_ID_LEN);
90 if (conf->nas_identifier &&
91 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
92 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
93 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
94 wconf->r0_key_holder_len);
95 }
96 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
97 wconf->r0_key_lifetime = conf->r0_key_lifetime;
98 wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime;
99 wconf->reassociation_deadline = conf->reassociation_deadline;
100 wconf->rkh_pos_timeout = conf->rkh_pos_timeout;
101 wconf->rkh_neg_timeout = conf->rkh_neg_timeout;
102 wconf->rkh_pull_timeout = conf->rkh_pull_timeout;
103 wconf->rkh_pull_retries = conf->rkh_pull_retries;
104 wconf->r0kh_list = &conf->r0kh_list;
105 wconf->r1kh_list = &conf->r1kh_list;
106 wconf->pmk_r1_push = conf->pmk_r1_push;
107 wconf->ft_over_ds = conf->ft_over_ds;
108 wconf->ft_psk_generate_local = conf->ft_psk_generate_local;
109 #endif /* CONFIG_IEEE80211R_AP */
110 #ifdef CONFIG_HS20
111 wconf->disable_gtk = conf->disable_dgaf;
112 if (conf->osen) {
113 wconf->disable_gtk = 1;
114 wconf->wpa = WPA_PROTO_OSEN;
115 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
116 wconf->wpa_pairwise = 0;
117 wconf->wpa_group = WPA_CIPHER_CCMP;
118 wconf->rsn_pairwise = WPA_CIPHER_CCMP;
119 wconf->rsn_preauth = 0;
120 wconf->disable_pmksa_caching = 1;
121 wconf->ieee80211w = 1;
122 }
123 #endif /* CONFIG_HS20 */
124 #ifdef CONFIG_TESTING_OPTIONS
125 wconf->corrupt_gtk_rekey_mic_probability =
126 iconf->corrupt_gtk_rekey_mic_probability;
127 wconf->delay_eapol_tx = iconf->delay_eapol_tx;
128 if (conf->own_ie_override &&
129 wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
130 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
131 os_memcpy(wconf->own_ie_override,
132 wpabuf_head(conf->own_ie_override),
133 wconf->own_ie_override_len);
134 }
135 if (conf->rsne_override &&
136 wpabuf_len(conf->rsne_override) <= MAX_OWN_IE_OVERRIDE) {
137 wconf->rsne_override_len = wpabuf_len(conf->rsne_override);
138 os_memcpy(wconf->rsne_override,
139 wpabuf_head(conf->rsne_override),
140 wconf->rsne_override_len);
141 wconf->rsne_override_set = true;
142 }
143 if (conf->rsnoe_override &&
144 wpabuf_len(conf->rsnoe_override) <= MAX_OWN_IE_OVERRIDE) {
145 wconf->rsnoe_override_len = wpabuf_len(conf->rsnoe_override);
146 os_memcpy(wconf->rsnoe_override,
147 wpabuf_head(conf->rsnoe_override),
148 wconf->rsnoe_override_len);
149 wconf->rsnoe_override_set = true;
150 }
151 if (conf->rsno2e_override &&
152 wpabuf_len(conf->rsno2e_override) <= MAX_OWN_IE_OVERRIDE) {
153 wconf->rsno2e_override_len = wpabuf_len(conf->rsno2e_override);
154 os_memcpy(wconf->rsno2e_override,
155 wpabuf_head(conf->rsno2e_override),
156 wconf->rsno2e_override_len);
157 wconf->rsno2e_override_set = true;
158 }
159 if (conf->rsnxe_override &&
160 wpabuf_len(conf->rsnxe_override) <= MAX_OWN_IE_OVERRIDE) {
161 wconf->rsnxe_override_len = wpabuf_len(conf->rsnxe_override);
162 os_memcpy(wconf->rsnxe_override,
163 wpabuf_head(conf->rsnxe_override),
164 wconf->rsnxe_override_len);
165 wconf->rsnxe_override_set = true;
166 }
167 if (conf->rsnxoe_override &&
168 wpabuf_len(conf->rsnxoe_override) <= MAX_OWN_IE_OVERRIDE) {
169 wconf->rsnxoe_override_len = wpabuf_len(conf->rsnxoe_override);
170 os_memcpy(wconf->rsnxoe_override,
171 wpabuf_head(conf->rsnxoe_override),
172 wconf->rsnxoe_override_len);
173 wconf->rsnxoe_override_set = true;
174 }
175 if (conf->rsne_override_eapol &&
176 wpabuf_len(conf->rsne_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
177 wconf->rsne_override_eapol_set = 1;
178 wconf->rsne_override_eapol_len =
179 wpabuf_len(conf->rsne_override_eapol);
180 os_memcpy(wconf->rsne_override_eapol,
181 wpabuf_head(conf->rsne_override_eapol),
182 wconf->rsne_override_eapol_len);
183 }
184 if (conf->rsnxe_override_eapol &&
185 wpabuf_len(conf->rsnxe_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
186 wconf->rsnxe_override_eapol_set = 1;
187 wconf->rsnxe_override_eapol_len =
188 wpabuf_len(conf->rsnxe_override_eapol);
189 os_memcpy(wconf->rsnxe_override_eapol,
190 wpabuf_head(conf->rsnxe_override_eapol),
191 wconf->rsnxe_override_eapol_len);
192 }
193 if (conf->rsne_override_ft &&
194 wpabuf_len(conf->rsne_override_ft) <= MAX_OWN_IE_OVERRIDE) {
195 wconf->rsne_override_ft_set = 1;
196 wconf->rsne_override_ft_len =
197 wpabuf_len(conf->rsne_override_ft);
198 os_memcpy(wconf->rsne_override_ft,
199 wpabuf_head(conf->rsne_override_ft),
200 wconf->rsne_override_ft_len);
201 }
202 if (conf->rsnxe_override_ft &&
203 wpabuf_len(conf->rsnxe_override_ft) <= MAX_OWN_IE_OVERRIDE) {
204 wconf->rsnxe_override_ft_set = 1;
205 wconf->rsnxe_override_ft_len =
206 wpabuf_len(conf->rsnxe_override_ft);
207 os_memcpy(wconf->rsnxe_override_ft,
208 wpabuf_head(conf->rsnxe_override_ft),
209 wconf->rsnxe_override_ft_len);
210 }
211 if (conf->gtk_rsc_override &&
212 wpabuf_len(conf->gtk_rsc_override) > 0 &&
213 wpabuf_len(conf->gtk_rsc_override) <= WPA_KEY_RSC_LEN) {
214 os_memcpy(wconf->gtk_rsc_override,
215 wpabuf_head(conf->gtk_rsc_override),
216 wpabuf_len(conf->gtk_rsc_override));
217 wconf->gtk_rsc_override_set = 1;
218 }
219 if (conf->igtk_rsc_override &&
220 wpabuf_len(conf->igtk_rsc_override) > 0 &&
221 wpabuf_len(conf->igtk_rsc_override) <= WPA_KEY_RSC_LEN) {
222 os_memcpy(wconf->igtk_rsc_override,
223 wpabuf_head(conf->igtk_rsc_override),
224 wpabuf_len(conf->igtk_rsc_override));
225 wconf->igtk_rsc_override_set = 1;
226 }
227 wconf->ft_rsnxe_used = conf->ft_rsnxe_used;
228 wconf->oci_freq_override_eapol_m3 = conf->oci_freq_override_eapol_m3;
229 wconf->oci_freq_override_eapol_g1 = conf->oci_freq_override_eapol_g1;
230 wconf->oci_freq_override_ft_assoc = conf->oci_freq_override_ft_assoc;
231 wconf->oci_freq_override_fils_assoc =
232 conf->oci_freq_override_fils_assoc;
233
234 wconf->skip_send_eapol = iconf->skip_send_eapol;
235 wconf->enable_eapol_large_timeout = iconf->enable_eapol_large_timeout;
236
237 if (conf->eapol_m1_elements)
238 wconf->eapol_m1_elements = wpabuf_dup(conf->eapol_m1_elements);
239 if (conf->eapol_m3_elements)
240 wconf->eapol_m3_elements = wpabuf_dup(conf->eapol_m3_elements);
241 wconf->eapol_m3_no_encrypt = conf->eapol_m3_no_encrypt;
242 wconf->eapol_key_reserved_random = conf->eapol_key_reserved_random;
243 #endif /* CONFIG_TESTING_OPTIONS */
244 #ifdef CONFIG_P2P
245 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
246 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
247 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
248 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
249 #endif /* CONFIG_P2P */
250 #ifdef CONFIG_FILS
251 wconf->fils_cache_id_set = conf->fils_cache_id_set;
252 os_memcpy(wconf->fils_cache_id, conf->fils_cache_id,
253 FILS_CACHE_ID_LEN);
254 #endif /* CONFIG_FILS */
255 wconf->sae_pwe = conf->sae_pwe;
256 sae_pw_id = hostapd_sae_pw_id_in_use(conf);
257 if (sae_pw_id == 2 && wconf->sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK)
258 wconf->sae_pwe = SAE_PWE_HASH_TO_ELEMENT;
259 else if (sae_pw_id == 1 && wconf->sae_pwe == SAE_PWE_HUNT_AND_PECK)
260 wconf->sae_pwe = SAE_PWE_BOTH;
261 #ifdef CONFIG_SAE_PK
262 wconf->sae_pk = hostapd_sae_pk_in_use(conf);
263 #endif /* CONFIG_SAE_PK */
264 #ifdef CONFIG_OWE
265 wconf->owe_ptk_workaround = conf->owe_ptk_workaround;
266 #endif /* CONFIG_OWE */
267 wconf->transition_disable = conf->transition_disable;
268 #ifdef CONFIG_DPP2
269 wconf->dpp_pfs = conf->dpp_pfs;
270 #endif /* CONFIG_DPP2 */
271 #ifdef CONFIG_PASN
272 #ifdef CONFIG_TESTING_OPTIONS
273 wconf->force_kdk_derivation = conf->force_kdk_derivation;
274 #endif /* CONFIG_TESTING_OPTIONS */
275 #endif /* CONFIG_PASN */
276
277 wconf->radius_psk = conf->wpa_psk_radius == PSK_RADIUS_DURING_4WAY_HS;
278 wconf->no_disconnect_on_group_keyerror =
279 conf->bss_max_idle && conf->ap_max_inactivity &&
280 conf->no_disconnect_on_group_keyerror;
281
282 wconf->rsn_override_omit_rsnxe = conf->rsn_override_omit_rsnxe;
283 }
284
285
hostapd_wpa_auth_logger(void * ctx,const u8 * addr,logger_level level,const char * txt)286 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
287 logger_level level, const char *txt)
288 {
289 #ifndef CONFIG_NO_HOSTAPD_LOGGER
290 struct hostapd_data *hapd = ctx;
291 int hlevel;
292
293 switch (level) {
294 case LOGGER_WARNING:
295 hlevel = HOSTAPD_LEVEL_WARNING;
296 break;
297 case LOGGER_INFO:
298 hlevel = HOSTAPD_LEVEL_INFO;
299 break;
300 case LOGGER_DEBUG:
301 default:
302 hlevel = HOSTAPD_LEVEL_DEBUG;
303 break;
304 }
305
306 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
307 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
308 }
309
310
hostapd_wpa_auth_disconnect(void * ctx,const u8 * addr,u16 reason)311 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
312 u16 reason)
313 {
314 struct hostapd_data *hapd = ctx;
315 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
316 "STA " MACSTR " reason %d",
317 __func__, MAC2STR(addr), reason);
318 ap_sta_disconnect(hapd, NULL, addr, reason);
319 }
320
321
hostapd_wpa_auth_mic_failure_report(void * ctx,const u8 * addr)322 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
323 {
324 struct hostapd_data *hapd = ctx;
325 return michael_mic_failure(hapd, addr, 0);
326 }
327
328
hostapd_wpa_auth_psk_failure_report(void * ctx,const u8 * addr)329 static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
330 {
331 struct hostapd_data *hapd = ctx;
332 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
333 MAC2STR(addr));
334 }
335
336
hostapd_wpa_auth_set_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var,int value)337 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
338 wpa_eapol_variable var, int value)
339 {
340 struct hostapd_data *hapd = ctx;
341 struct sta_info *sta = ap_get_sta(hapd, addr);
342 if (sta == NULL)
343 return;
344 switch (var) {
345 case WPA_EAPOL_portEnabled:
346 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
347 break;
348 case WPA_EAPOL_portValid:
349 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
350 break;
351 case WPA_EAPOL_authorized:
352 ieee802_1x_set_sta_authorized(hapd, sta, value);
353 break;
354 case WPA_EAPOL_portControl_Auto:
355 if (sta->eapol_sm)
356 sta->eapol_sm->portControl = Auto;
357 break;
358 case WPA_EAPOL_keyRun:
359 if (sta->eapol_sm)
360 sta->eapol_sm->keyRun = value;
361 break;
362 case WPA_EAPOL_keyAvailable:
363 if (sta->eapol_sm)
364 sta->eapol_sm->eap_if->eapKeyAvailable = value;
365 break;
366 case WPA_EAPOL_keyDone:
367 if (sta->eapol_sm)
368 sta->eapol_sm->keyDone = value;
369 break;
370 case WPA_EAPOL_inc_EapolFramesTx:
371 if (sta->eapol_sm)
372 sta->eapol_sm->dot1xAuthEapolFramesTx++;
373 break;
374 }
375 }
376
377
hostapd_wpa_auth_get_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var)378 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
379 wpa_eapol_variable var)
380 {
381 struct hostapd_data *hapd = ctx;
382 struct sta_info *sta = ap_get_sta(hapd, addr);
383 if (sta == NULL || sta->eapol_sm == NULL)
384 return -1;
385 switch (var) {
386 case WPA_EAPOL_keyRun:
387 return sta->eapol_sm->keyRun;
388 case WPA_EAPOL_keyAvailable:
389 return sta->eapol_sm->eap_if->eapKeyAvailable;
390 default:
391 return -1;
392 }
393 }
394
395
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)396 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
397 const u8 *p2p_dev_addr,
398 const u8 *prev_psk, size_t *psk_len,
399 int *vlan_id)
400 {
401 struct hostapd_data *hapd = ctx;
402 struct sta_info *sta = ap_get_sta(hapd, addr);
403 const u8 *psk;
404
405 if (vlan_id)
406 *vlan_id = 0;
407 if (psk_len)
408 *psk_len = PMK_LEN;
409
410 #ifdef CONFIG_SAE
411 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
412 if (!sta->sae || prev_psk)
413 return NULL;
414 if (psk_len)
415 *psk_len = sta->sae->pmk_len;
416 return sta->sae->pmk;
417 }
418 if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
419 wpa_printf(MSG_DEBUG,
420 "No PSK for STA trying to use SAE with PMKSA caching");
421 return NULL;
422 }
423 #endif /* CONFIG_SAE */
424
425 #ifdef CONFIG_OWE
426 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
427 sta && sta->owe_pmk) {
428 if (psk_len)
429 *psk_len = sta->owe_pmk_len;
430 return sta->owe_pmk;
431 }
432 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
433 struct rsn_pmksa_cache_entry *sa;
434
435 sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
436 if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
437 if (psk_len)
438 *psk_len = sa->pmk_len;
439 return sa->pmk;
440 }
441 }
442 #endif /* CONFIG_OWE */
443
444 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
445 vlan_id);
446 /*
447 * This is about to iterate over all psks, prev_psk gives the last
448 * returned psk which should not be returned again.
449 * logic list (all hostapd_get_psk; all sta->psk)
450 */
451 if (sta && sta->psk && !psk) {
452 struct hostapd_sta_wpa_psk_short *pos;
453
454 if (vlan_id)
455 *vlan_id = 0;
456 psk = sta->psk->psk;
457 for (pos = sta->psk; pos; pos = pos->next) {
458 if (pos->is_passphrase) {
459 if (pbkdf2_sha1(pos->passphrase,
460 hapd->conf->ssid.ssid,
461 hapd->conf->ssid.ssid_len, 4096,
462 pos->psk, PMK_LEN) != 0) {
463 wpa_printf(MSG_WARNING,
464 "Error in pbkdf2_sha1()");
465 continue;
466 }
467 pos->is_passphrase = 0;
468 }
469 if (pos->psk == prev_psk) {
470 psk = pos->next ? pos->next->psk : NULL;
471 break;
472 }
473 }
474 }
475 return psk;
476 }
477
478
hostapd_wpa_auth_get_msk(void * ctx,const u8 * addr,u8 * msk,size_t * len)479 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
480 size_t *len)
481 {
482 struct hostapd_data *hapd = ctx;
483 const u8 *key;
484 size_t keylen;
485 struct sta_info *sta;
486
487 sta = ap_get_sta(hapd, addr);
488 if (sta == NULL) {
489 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
490 return -1;
491 }
492
493 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
494 if (key == NULL) {
495 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
496 sta->eapol_sm);
497 return -1;
498 }
499
500 if (keylen > *len)
501 keylen = *len;
502 os_memcpy(msk, key, keylen);
503 *len = keylen;
504
505 return 0;
506 }
507
508
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)509 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
510 const u8 *addr, int idx, u8 *key,
511 size_t key_len, enum key_flag key_flag)
512 {
513 struct hostapd_data *hapd = ctx;
514 const char *ifname = hapd->conf->iface;
515
516 if (vlan_id > 0) {
517 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
518 if (!ifname) {
519 if (!(hapd->iface->drv_flags &
520 WPA_DRIVER_FLAGS_VLAN_OFFLOAD))
521 return -1;
522 ifname = hapd->conf->iface;
523 }
524 }
525
526 #ifdef CONFIG_TESTING_OPTIONS
527 if (key_flag & KEY_FLAG_MODIFY) {
528 /* We are updating an already installed key. Don't overwrite
529 * the already stored key information with zeros.
530 */
531 } else if (addr && !is_broadcast_ether_addr(addr)) {
532 struct sta_info *sta;
533
534 sta = ap_get_sta(hapd, addr);
535 if (sta) {
536 sta->last_tk_alg = alg;
537 sta->last_tk_key_idx = idx;
538 if (key)
539 os_memcpy(sta->last_tk, key, key_len);
540 sta->last_tk_len = key_len;
541 }
542 } else if (alg == WPA_ALG_BIP_CMAC_128 ||
543 alg == WPA_ALG_BIP_GMAC_128 ||
544 alg == WPA_ALG_BIP_GMAC_256 ||
545 alg == WPA_ALG_BIP_CMAC_256) {
546 if (idx == 4 || idx == 5) {
547 hapd->last_igtk_alg = alg;
548 hapd->last_igtk_key_idx = idx;
549 if (key)
550 os_memcpy(hapd->last_igtk, key, key_len);
551 hapd->last_igtk_len = key_len;
552 } else if (idx == 6 || idx == 7) {
553 hapd->last_bigtk_alg = alg;
554 hapd->last_bigtk_key_idx = idx;
555 if (key)
556 os_memcpy(hapd->last_bigtk, key, key_len);
557 hapd->last_bigtk_len = key_len;
558 }
559 } else {
560 hapd->last_gtk_alg = alg;
561 hapd->last_gtk_key_idx = idx;
562 if (key)
563 os_memcpy(hapd->last_gtk, key, key_len);
564 hapd->last_gtk_len = key_len;
565 }
566 #endif /* CONFIG_TESTING_OPTIONS */
567 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, vlan_id, 1,
568 NULL, 0, key, key_len, key_flag);
569 }
570
571
hostapd_wpa_auth_get_seqnum(void * ctx,const u8 * addr,int idx,u8 * seq)572 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
573 u8 *seq)
574 {
575 struct hostapd_data *hapd = ctx;
576 int link_id = -1;
577
578 #ifdef CONFIG_IEEE80211BE
579 if (hapd->conf->mld_ap && idx)
580 link_id = hapd->mld_link_id;
581 #endif /* CONFIG_IEEE80211BE */
582 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, link_id,
583 seq);
584 }
585
586
hostapd_wpa_auth_send_eapol(void * ctx,const u8 * addr,const u8 * data,size_t data_len,int encrypt)587 int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
588 const u8 *data, size_t data_len,
589 int encrypt)
590 {
591 struct hostapd_data *hapd = ctx;
592 struct sta_info *sta;
593 u32 flags = 0;
594 int link_id = -1;
595
596 #ifdef CONFIG_IEEE80211BE
597 link_id = hapd->conf->mld_ap ? hapd->mld_link_id : -1;
598 #endif /* CONFIG_IEEE80211BE */
599
600 #ifdef CONFIG_TESTING_OPTIONS
601 if (hapd->ext_eapol_frame_io) {
602 size_t hex_len = 2 * data_len + 1;
603 char *hex = os_malloc(hex_len);
604
605 if (hex == NULL)
606 return -1;
607 wpa_snprintf_hex(hex, hex_len, data, data_len);
608 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
609 MAC2STR(addr), hex);
610 os_free(hex);
611 return 0;
612 }
613 #endif /* CONFIG_TESTING_OPTIONS */
614
615 sta = ap_get_sta(hapd, addr);
616 if (sta) {
617 flags = hostapd_sta_flags_to_drv(sta->flags);
618 #ifdef CONFIG_IEEE80211BE
619 if (ap_sta_is_mld(hapd, sta) &&
620 (sta->flags & WLAN_STA_AUTHORIZED))
621 link_id = -1;
622 #endif /* CONFIG_IEEE80211BE */
623 }
624
625 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
626 encrypt, flags, link_id);
627 }
628
629
hostapd_wpa_auth_get_sta_count(void * ctx)630 static int hostapd_wpa_auth_get_sta_count(void *ctx)
631 {
632 struct hostapd_data *hapd = ctx;
633
634 return hapd->num_sta;
635 }
636
637
hostapd_wpa_auth_for_each_sta(void * ctx,int (* cb)(struct wpa_state_machine * sm,void * ctx),void * cb_ctx)638 static int hostapd_wpa_auth_for_each_sta(
639 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
640 void *cb_ctx)
641 {
642 struct hostapd_data *hapd = ctx;
643 struct sta_info *sta;
644
645 for (sta = hapd->sta_list; sta; sta = sta->next) {
646 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
647 return 1;
648 }
649 return 0;
650 }
651
652
653 struct wpa_auth_iface_iter_data {
654 int (*cb)(struct wpa_authenticator *sm, void *ctx);
655 void *cb_ctx;
656 };
657
wpa_auth_iface_iter(struct hostapd_iface * iface,void * ctx)658 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
659 {
660 struct wpa_auth_iface_iter_data *data = ctx;
661 size_t i;
662 for (i = 0; i < iface->num_bss; i++) {
663 if (iface->bss[i]->wpa_auth &&
664 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
665 return 1;
666 }
667 return 0;
668 }
669
670
hostapd_wpa_auth_for_each_auth(void * ctx,int (* cb)(struct wpa_authenticator * sm,void * ctx),void * cb_ctx)671 static int hostapd_wpa_auth_for_each_auth(
672 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
673 void *cb_ctx)
674 {
675 struct hostapd_data *hapd = ctx;
676 struct wpa_auth_iface_iter_data data;
677 if (hapd->iface->interfaces == NULL ||
678 hapd->iface->interfaces->for_each_interface == NULL)
679 return -1;
680 data.cb = cb;
681 data.cb_ctx = cb_ctx;
682 return hapd->iface->interfaces->for_each_interface(
683 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
684 }
685
686
687 #ifdef CONFIG_IEEE80211R_AP
688
689 struct wpa_ft_rrb_rx_later_data {
690 struct dl_list list;
691 u8 addr[ETH_ALEN];
692 size_t data_len;
693 /* followed by data_len octets of data */
694 };
695
hostapd_wpa_ft_rrb_rx_later(void * eloop_ctx,void * timeout_ctx)696 static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx)
697 {
698 struct hostapd_data *hapd = eloop_ctx;
699 struct wpa_ft_rrb_rx_later_data *data, *n;
700
701 dl_list_for_each_safe(data, n, &hapd->l2_queue,
702 struct wpa_ft_rrb_rx_later_data, list) {
703 if (hapd->wpa_auth) {
704 wpa_ft_rrb_rx(hapd->wpa_auth, data->addr,
705 (const u8 *) (data + 1),
706 data->data_len);
707 }
708 dl_list_del(&data->list);
709 os_free(data);
710 }
711 }
712
713
714 struct wpa_auth_ft_iface_iter_data {
715 struct hostapd_data *src_hapd;
716 const u8 *dst;
717 const u8 *data;
718 size_t data_len;
719 };
720
721
hostapd_wpa_auth_ft_iter(struct hostapd_iface * iface,void * ctx)722 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
723 {
724 struct wpa_auth_ft_iface_iter_data *idata = ctx;
725 struct wpa_ft_rrb_rx_later_data *data;
726 struct hostapd_data *hapd;
727 size_t j;
728
729 for (j = 0; j < iface->num_bss; j++) {
730 hapd = iface->bss[j];
731 if (hapd == idata->src_hapd ||
732 !hapd->wpa_auth ||
733 !ether_addr_equal(hapd->own_addr, idata->dst))
734 continue;
735
736 wpa_printf(MSG_DEBUG,
737 "FT: Send RRB data directly to locally managed BSS "
738 MACSTR "@%s -> " MACSTR "@%s",
739 MAC2STR(idata->src_hapd->own_addr),
740 idata->src_hapd->conf->iface,
741 MAC2STR(hapd->own_addr), hapd->conf->iface);
742
743 /* Defer wpa_ft_rrb_rx() until next eloop step as this is
744 * when it would be triggered when reading from a socket.
745 * This avoids
746 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
747 * that is calling hapd0:recv handler from within
748 * hapd0:send directly.
749 */
750 data = os_zalloc(sizeof(*data) + idata->data_len);
751 if (!data)
752 return 1;
753
754 os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN);
755 os_memcpy(data + 1, idata->data, idata->data_len);
756 data->data_len = idata->data_len;
757
758 dl_list_add(&hapd->l2_queue, &data->list);
759
760 if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later,
761 hapd, NULL))
762 eloop_register_timeout(0, 0,
763 hostapd_wpa_ft_rrb_rx_later,
764 hapd, NULL);
765
766 return 1;
767 }
768
769 return 0;
770 }
771
772 #endif /* CONFIG_IEEE80211R_AP */
773
774
hostapd_wpa_auth_send_ether(void * ctx,const u8 * dst,u16 proto,const u8 * data,size_t data_len)775 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
776 const u8 *data, size_t data_len)
777 {
778 struct hostapd_data *hapd = ctx;
779 struct l2_ethhdr *buf;
780 int ret;
781
782 #ifdef CONFIG_TESTING_OPTIONS
783 if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
784 size_t hex_len = 2 * data_len + 1;
785 char *hex = os_malloc(hex_len);
786
787 if (hex == NULL)
788 return -1;
789 wpa_snprintf_hex(hex, hex_len, data, data_len);
790 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
791 MAC2STR(dst), hex);
792 os_free(hex);
793 return 0;
794 }
795 #endif /* CONFIG_TESTING_OPTIONS */
796
797 #ifdef CONFIG_IEEE80211R_AP
798 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
799 hapd->iface->interfaces->for_each_interface) {
800 int res;
801 struct wpa_auth_ft_iface_iter_data idata;
802 idata.src_hapd = hapd;
803 idata.dst = dst;
804 idata.data = data;
805 idata.data_len = data_len;
806 res = hapd->iface->interfaces->for_each_interface(
807 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
808 &idata);
809 if (res == 1)
810 return data_len;
811 }
812 #endif /* CONFIG_IEEE80211R_AP */
813
814 if (hapd->l2 == NULL)
815 return -1;
816
817 buf = os_malloc(sizeof(*buf) + data_len);
818 if (buf == NULL)
819 return -1;
820 os_memcpy(buf->h_dest, dst, ETH_ALEN);
821 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
822 buf->h_proto = host_to_be16(proto);
823 os_memcpy(buf + 1, data, data_len);
824 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
825 sizeof(*buf) + data_len);
826 os_free(buf);
827 return ret;
828 }
829
830
831 #ifdef CONFIG_ETH_P_OUI
hostapd_wpa_get_oui(struct hostapd_data * hapd,u8 oui_suffix)832 static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd,
833 u8 oui_suffix)
834 {
835 switch (oui_suffix) {
836 #ifdef CONFIG_IEEE80211R_AP
837 case FT_PACKET_R0KH_R1KH_PULL:
838 return hapd->oui_pull;
839 case FT_PACKET_R0KH_R1KH_RESP:
840 return hapd->oui_resp;
841 case FT_PACKET_R0KH_R1KH_PUSH:
842 return hapd->oui_push;
843 case FT_PACKET_R0KH_R1KH_SEQ_REQ:
844 return hapd->oui_sreq;
845 case FT_PACKET_R0KH_R1KH_SEQ_RESP:
846 return hapd->oui_sresp;
847 #endif /* CONFIG_IEEE80211R_AP */
848 default:
849 return NULL;
850 }
851 }
852 #endif /* CONFIG_ETH_P_OUI */
853
854
855 #ifdef CONFIG_IEEE80211R_AP
856
857 struct oui_deliver_later_data {
858 struct dl_list list;
859 u8 src_addr[ETH_ALEN];
860 u8 dst_addr[ETH_ALEN];
861 size_t data_len;
862 u8 oui_suffix;
863 /* followed by data_len octets of data */
864 };
865
hostapd_oui_deliver_later(void * eloop_ctx,void * timeout_ctx)866 static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx)
867 {
868 struct hostapd_data *hapd = eloop_ctx;
869 struct oui_deliver_later_data *data, *n;
870 struct eth_p_oui_ctx *oui_ctx;
871
872 dl_list_for_each_safe(data, n, &hapd->l2_oui_queue,
873 struct oui_deliver_later_data, list) {
874 oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix);
875 wpa_printf(MSG_DEBUG, "RRB(%s): %s src=" MACSTR " dst=" MACSTR
876 " oui_suffix=%u data_len=%u data=%p",
877 hapd->conf->iface, __func__,
878 MAC2STR(data->src_addr), MAC2STR(data->dst_addr),
879 data->oui_suffix, (unsigned int) data->data_len,
880 data);
881 if (hapd->wpa_auth && oui_ctx) {
882 eth_p_oui_deliver(oui_ctx, data->src_addr,
883 data->dst_addr,
884 (const u8 *) (data + 1),
885 data->data_len);
886 }
887 dl_list_del(&data->list);
888 os_free(data);
889 }
890 }
891
892
893 struct wpa_auth_oui_iface_iter_data {
894 struct hostapd_data *src_hapd;
895 const u8 *dst_addr;
896 const u8 *data;
897 size_t data_len;
898 u8 oui_suffix;
899 };
900
hostapd_wpa_auth_oui_iter(struct hostapd_iface * iface,void * ctx)901 static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
902 {
903 struct wpa_auth_oui_iface_iter_data *idata = ctx;
904 struct oui_deliver_later_data *data;
905 struct hostapd_data *hapd, *src_hapd = idata->src_hapd;
906 size_t j;
907
908 for (j = 0; j < iface->num_bss; j++) {
909 hapd = iface->bss[j];
910 if (hapd == src_hapd)
911 continue; /* don't deliver back to same interface */
912 if (!wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) ||
913 hapd->conf->ssid.ssid_len !=
914 src_hapd->conf->ssid.ssid_len ||
915 os_memcmp(hapd->conf->ssid.ssid,
916 src_hapd->conf->ssid.ssid,
917 hapd->conf->ssid.ssid_len) != 0 ||
918 os_memcmp(hapd->conf->mobility_domain,
919 src_hapd->conf->mobility_domain,
920 MOBILITY_DOMAIN_ID_LEN) != 0)
921 continue; /* no matching FT SSID/mobility domain */
922 if (!is_multicast_ether_addr(idata->dst_addr) &&
923 !ether_addr_equal(hapd->own_addr, idata->dst_addr))
924 continue; /* destination address does not match */
925
926 /* defer eth_p_oui_deliver until next eloop step as this is
927 * when it would be triggerd from reading from sock
928 * This avoids
929 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
930 * that is calling hapd0:recv handler from within
931 * hapd0:send directly.
932 */
933 data = os_zalloc(sizeof(*data) + idata->data_len);
934 if (!data)
935 return 1;
936 wpa_printf(MSG_DEBUG,
937 "RRB(%s): local delivery to %s dst=" MACSTR
938 " oui_suffix=%u data_len=%u data=%p",
939 src_hapd->conf->iface, hapd->conf->iface,
940 MAC2STR(idata->dst_addr), idata->oui_suffix,
941 (unsigned int) idata->data_len, data);
942
943 os_memcpy(data->src_addr, src_hapd->own_addr, ETH_ALEN);
944 os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN);
945 os_memcpy(data + 1, idata->data, idata->data_len);
946 data->data_len = idata->data_len;
947 data->oui_suffix = idata->oui_suffix;
948
949 dl_list_add_tail(&hapd->l2_oui_queue, &data->list);
950
951 if (!eloop_is_timeout_registered(hostapd_oui_deliver_later,
952 hapd, NULL))
953 eloop_register_timeout(0, 0,
954 hostapd_oui_deliver_later,
955 hapd, NULL);
956
957 /* If dst_addr is a multicast address, do not return any
958 * non-zero value here. Otherwise, the iteration of
959 * for_each_interface() will be stopped. */
960 if (!is_multicast_ether_addr(idata->dst_addr))
961 return 1;
962 }
963
964 return 0;
965 }
966
967 #endif /* CONFIG_IEEE80211R_AP */
968
969
hostapd_wpa_auth_send_oui(void * ctx,const u8 * dst,u8 oui_suffix,const u8 * data,size_t data_len)970 static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix,
971 const u8 *data, size_t data_len)
972 {
973 #ifdef CONFIG_ETH_P_OUI
974 struct hostapd_data *hapd = ctx;
975 struct eth_p_oui_ctx *oui_ctx;
976
977 wpa_printf(MSG_DEBUG, "RRB(%s): send to dst=" MACSTR
978 " oui_suffix=%u data_len=%u",
979 hapd->conf->iface, MAC2STR(dst), oui_suffix,
980 (unsigned int) data_len);
981 #ifdef CONFIG_IEEE80211R_AP
982 if (hapd->iface->interfaces &&
983 hapd->iface->interfaces->for_each_interface) {
984 struct wpa_auth_oui_iface_iter_data idata;
985 int res;
986
987 idata.src_hapd = hapd;
988 idata.dst_addr = dst;
989 idata.data = data;
990 idata.data_len = data_len;
991 idata.oui_suffix = oui_suffix;
992 res = hapd->iface->interfaces->for_each_interface(
993 hapd->iface->interfaces, hostapd_wpa_auth_oui_iter,
994 &idata);
995 if (res == 1)
996 return data_len;
997 }
998 #endif /* CONFIG_IEEE80211R_AP */
999
1000 oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix);
1001 if (!oui_ctx)
1002 return -1;
1003
1004 return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len);
1005 #else /* CONFIG_ETH_P_OUI */
1006 return -1;
1007 #endif /* CONFIG_ETH_P_OUI */
1008 }
1009
1010
hostapd_channel_info(void * ctx,struct wpa_channel_info * ci)1011 static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
1012 {
1013 struct hostapd_data *hapd = ctx;
1014
1015 return hostapd_drv_channel_info(hapd, ci);
1016 }
1017
1018
1019 #ifdef CONFIG_PASN
1020
hostapd_store_ptksa(void * ctx,const u8 * addr,int cipher,u32 life_time,const struct wpa_ptk * ptk)1021 static void hostapd_store_ptksa(void *ctx, const u8 *addr,int cipher,
1022 u32 life_time, const struct wpa_ptk *ptk)
1023 {
1024 struct hostapd_data *hapd = ctx;
1025
1026 ptksa_cache_add(hapd->ptksa, hapd->own_addr, addr, cipher, life_time,
1027 ptk, NULL, NULL, 0);
1028 }
1029
1030
hostapd_clear_ptksa(void * ctx,const u8 * addr,int cipher)1031 static void hostapd_clear_ptksa(void *ctx, const u8 *addr, int cipher)
1032 {
1033 struct hostapd_data *hapd = ctx;
1034
1035 ptksa_cache_flush(hapd->ptksa, addr, cipher);
1036 }
1037
1038 #endif /* CONFIG_PASN */
1039
1040
hostapd_wpa_auth_update_vlan(void * ctx,const u8 * addr,int vlan_id)1041 static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
1042 {
1043 #ifndef CONFIG_NO_VLAN
1044 struct hostapd_data *hapd = ctx;
1045 struct sta_info *sta;
1046
1047 sta = ap_get_sta(hapd, addr);
1048 if (!sta)
1049 return -1;
1050
1051 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
1052 struct vlan_description vlan_desc;
1053
1054 os_memset(&vlan_desc, 0, sizeof(vlan_desc));
1055 vlan_desc.notempty = 1;
1056 vlan_desc.untagged = vlan_id;
1057 if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
1058 wpa_printf(MSG_INFO,
1059 "Invalid VLAN ID %d in wpa_psk_file",
1060 vlan_id);
1061 return -1;
1062 }
1063
1064 if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) {
1065 wpa_printf(MSG_INFO,
1066 "Failed to assign VLAN ID %d from wpa_psk_file to "
1067 MACSTR, vlan_id, MAC2STR(sta->addr));
1068 return -1;
1069 }
1070 } else {
1071 sta->vlan_id = vlan_id;
1072 }
1073
1074 wpa_printf(MSG_INFO,
1075 "Assigned VLAN ID %d from wpa_psk_file to " MACSTR,
1076 vlan_id, MAC2STR(sta->addr));
1077 if ((sta->flags & WLAN_STA_ASSOC) &&
1078 ap_sta_bind_vlan(hapd, sta) < 0)
1079 return -1;
1080 #endif /* CONFIG_NO_VLAN */
1081
1082 return 0;
1083 }
1084
1085
1086 #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)1087 static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr,
1088 int ap_max_chanwidth, int ap_seg1_idx,
1089 int *bandwidth, int *seg1_idx)
1090 {
1091 struct hostapd_data *hapd = ctx;
1092 struct sta_info *sta;
1093
1094 sta = ap_get_sta(hapd, addr);
1095 if (!sta) {
1096 hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO,
1097 "Failed to get STA info to validate received OCI");
1098 return -1;
1099 }
1100
1101 return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth,
1102 seg1_idx);
1103 }
1104 #endif /* CONFIG_OCV */
1105
1106
1107 #ifdef CONFIG_IEEE80211R_AP
1108
hostapd_wpa_auth_send_ft_action(void * ctx,const u8 * dst,const u8 * data,size_t data_len)1109 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
1110 const u8 *data, size_t data_len)
1111 {
1112 struct hostapd_data *hapd = ctx;
1113 int res;
1114 struct ieee80211_mgmt *m;
1115 size_t mlen;
1116 struct sta_info *sta;
1117
1118 sta = ap_get_sta(hapd, dst);
1119 if (sta == NULL || sta->wpa_sm == NULL)
1120 return -1;
1121
1122 m = os_zalloc(sizeof(*m) + data_len);
1123 if (m == NULL)
1124 return -1;
1125 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
1126 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1127 WLAN_FC_STYPE_ACTION);
1128 os_memcpy(m->da, dst, ETH_ALEN);
1129 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
1130 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
1131 os_memcpy(&m->u, data, data_len);
1132
1133 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0, NULL, 0, 0);
1134 os_free(m);
1135 return res;
1136 }
1137
1138
1139 static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void * ctx,const u8 * sta_addr)1140 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
1141 {
1142 struct hostapd_data *hapd = ctx;
1143 struct sta_info *sta;
1144 int ret;
1145
1146 wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR
1147 " based on WPA authenticator callback",
1148 MAC2STR(sta_addr));
1149 ret = hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT);
1150
1151 /*
1152 * The expected return values from hostapd_add_sta_node() are
1153 * 0: successfully added STA entry
1154 * -EOPNOTSUPP: driver or driver wrapper does not support/need this
1155 * operations
1156 * any other negative value: error in adding the STA entry */
1157 if (ret < 0 && ret != -EOPNOTSUPP)
1158 return NULL;
1159
1160 sta = ap_sta_add(hapd, sta_addr);
1161 if (sta == NULL)
1162 return NULL;
1163 if (ret == 0)
1164 sta->added_unassoc = 1;
1165
1166 sta->ft_over_ds = 1;
1167 if (sta->wpa_sm) {
1168 sta->auth_alg = WLAN_AUTH_FT;
1169 return sta->wpa_sm;
1170 }
1171
1172 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
1173 if (sta->wpa_sm == NULL) {
1174 ap_free_sta(hapd, sta);
1175 return NULL;
1176 }
1177 sta->auth_alg = WLAN_AUTH_FT;
1178
1179 return sta->wpa_sm;
1180 }
1181
1182
hostapd_wpa_auth_add_sta_ft(void * ctx,const u8 * sta_addr)1183 static int hostapd_wpa_auth_add_sta_ft(void *ctx, const u8 *sta_addr)
1184 {
1185 struct hostapd_data *hapd = ctx;
1186 struct sta_info *sta;
1187
1188 sta = ap_get_sta(hapd, sta_addr);
1189 if (!sta)
1190 return -1;
1191
1192 if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) &&
1193 (sta->flags & WLAN_STA_MFP) && ap_sta_is_authorized(sta) &&
1194 !(hapd->conf->mesh & MESH_ENABLED) && !(sta->added_unassoc)) {
1195 /* We could not do this in handle_auth() since there was a
1196 * PMF-enabled association for the STA and the new
1197 * authentication attempt was not yet fully processed. Now that
1198 * we are ready to configure the TK to the driver,
1199 * authentication has succeeded and we can clean up the driver
1200 * STA entry to avoid issues with any maintained state from the
1201 * previous association. */
1202 wpa_printf(MSG_DEBUG,
1203 "FT: Remove and re-add driver STA entry after successful FT authentication");
1204 return ap_sta_re_add(hapd, sta);
1205 }
1206
1207 return 0;
1208 }
1209
1210
hostapd_wpa_auth_set_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1211 static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr,
1212 struct vlan_description *vlan)
1213 {
1214 struct hostapd_data *hapd = ctx;
1215 struct sta_info *sta;
1216
1217 sta = ap_get_sta(hapd, sta_addr);
1218 if (!sta || !sta->wpa_sm)
1219 return -1;
1220
1221 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
1222 if (vlan->notempty &&
1223 !hostapd_vlan_valid(hapd->conf->vlan, vlan)) {
1224 hostapd_logger(hapd, sta->addr,
1225 HOSTAPD_MODULE_IEEE80211,
1226 HOSTAPD_LEVEL_INFO,
1227 "Invalid VLAN %d%s received from FT",
1228 vlan->untagged, vlan->tagged[0] ?
1229 "+" : "");
1230 return -1;
1231 }
1232
1233 if (ap_sta_set_vlan(hapd, sta, vlan) < 0)
1234 return -1;
1235
1236 } else {
1237 if (vlan->notempty)
1238 sta->vlan_id = vlan->untagged;
1239 }
1240 /* Configure wpa_group for GTK but ignore error due to driver not
1241 * knowing this STA. */
1242 ap_sta_bind_vlan(hapd, sta);
1243
1244 if (sta->vlan_id)
1245 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1246 HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
1247
1248 return 0;
1249 }
1250
1251
hostapd_wpa_auth_get_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1252 static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr,
1253 struct vlan_description *vlan)
1254 {
1255 struct hostapd_data *hapd = ctx;
1256 struct sta_info *sta;
1257
1258 sta = ap_get_sta(hapd, sta_addr);
1259 if (!sta)
1260 return -1;
1261
1262 if (sta->vlan_desc) {
1263 *vlan = *sta->vlan_desc;
1264 } else if ((hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
1265 sta->vlan_id) {
1266 vlan->notempty = 1;
1267 vlan->untagged = sta->vlan_id;
1268 } else {
1269 os_memset(vlan, 0, sizeof(*vlan));
1270 }
1271
1272 return 0;
1273 }
1274
1275
1276 static int
hostapd_wpa_auth_set_identity(void * ctx,const u8 * sta_addr,const u8 * identity,size_t identity_len)1277 hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr,
1278 const u8 *identity, size_t identity_len)
1279 {
1280 struct hostapd_data *hapd = ctx;
1281 struct sta_info *sta;
1282
1283 sta = ap_get_sta(hapd, sta_addr);
1284 if (!sta)
1285 return -1;
1286
1287 os_free(sta->identity);
1288 sta->identity = NULL;
1289
1290 if (sta->eapol_sm) {
1291 os_free(sta->eapol_sm->identity);
1292 sta->eapol_sm->identity = NULL;
1293 sta->eapol_sm->identity_len = 0;
1294 }
1295
1296 if (!identity_len)
1297 return 0;
1298
1299 /* sta->identity is NULL terminated */
1300 sta->identity = os_zalloc(identity_len + 1);
1301 if (!sta->identity)
1302 return -1;
1303 os_memcpy(sta->identity, identity, identity_len);
1304
1305 if (sta->eapol_sm) {
1306 sta->eapol_sm->identity = os_zalloc(identity_len);
1307 if (!sta->eapol_sm->identity)
1308 return -1;
1309 os_memcpy(sta->eapol_sm->identity, identity, identity_len);
1310 sta->eapol_sm->identity_len = identity_len;
1311 }
1312
1313 return 0;
1314 }
1315
1316
1317 static size_t
hostapd_wpa_auth_get_identity(void * ctx,const u8 * sta_addr,const u8 ** buf)1318 hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf)
1319 {
1320 struct hostapd_data *hapd = ctx;
1321 struct sta_info *sta;
1322 size_t len;
1323 char *identity;
1324
1325 sta = ap_get_sta(hapd, sta_addr);
1326 if (!sta)
1327 return 0;
1328
1329 *buf = ieee802_1x_get_identity(sta->eapol_sm, &len);
1330 if (*buf && len)
1331 return len;
1332
1333 if (!sta->identity) {
1334 *buf = NULL;
1335 return 0;
1336 }
1337
1338 identity = sta->identity;
1339 len = os_strlen(identity);
1340 *buf = (u8 *) identity;
1341
1342 return len;
1343 }
1344
1345
1346 static int
hostapd_wpa_auth_set_radius_cui(void * ctx,const u8 * sta_addr,const u8 * radius_cui,size_t radius_cui_len)1347 hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr,
1348 const u8 *radius_cui, size_t radius_cui_len)
1349 {
1350 struct hostapd_data *hapd = ctx;
1351 struct sta_info *sta;
1352
1353 sta = ap_get_sta(hapd, sta_addr);
1354 if (!sta)
1355 return -1;
1356
1357 os_free(sta->radius_cui);
1358 sta->radius_cui = NULL;
1359
1360 if (sta->eapol_sm) {
1361 wpabuf_free(sta->eapol_sm->radius_cui);
1362 sta->eapol_sm->radius_cui = NULL;
1363 }
1364
1365 if (!radius_cui)
1366 return 0;
1367
1368 /* sta->radius_cui is NULL terminated */
1369 sta->radius_cui = os_zalloc(radius_cui_len + 1);
1370 if (!sta->radius_cui)
1371 return -1;
1372 os_memcpy(sta->radius_cui, radius_cui, radius_cui_len);
1373
1374 if (sta->eapol_sm) {
1375 sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui,
1376 radius_cui_len);
1377 if (!sta->eapol_sm->radius_cui)
1378 return -1;
1379 }
1380
1381 return 0;
1382 }
1383
1384
1385 static size_t
hostapd_wpa_auth_get_radius_cui(void * ctx,const u8 * sta_addr,const u8 ** buf)1386 hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf)
1387 {
1388 struct hostapd_data *hapd = ctx;
1389 struct sta_info *sta;
1390 struct wpabuf *b;
1391 size_t len;
1392 char *radius_cui;
1393
1394 sta = ap_get_sta(hapd, sta_addr);
1395 if (!sta)
1396 return 0;
1397
1398 b = ieee802_1x_get_radius_cui(sta->eapol_sm);
1399 if (b) {
1400 len = wpabuf_len(b);
1401 *buf = wpabuf_head(b);
1402 return len;
1403 }
1404
1405 if (!sta->radius_cui) {
1406 *buf = NULL;
1407 return 0;
1408 }
1409
1410 radius_cui = sta->radius_cui;
1411 len = os_strlen(radius_cui);
1412 *buf = (u8 *) radius_cui;
1413
1414 return len;
1415 }
1416
1417
hostapd_wpa_auth_set_session_timeout(void * ctx,const u8 * sta_addr,int session_timeout)1418 static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr,
1419 int session_timeout)
1420 {
1421 struct hostapd_data *hapd = ctx;
1422 struct sta_info *sta;
1423
1424 sta = ap_get_sta(hapd, sta_addr);
1425 if (!sta)
1426 return;
1427
1428 if (session_timeout) {
1429 os_get_reltime(&sta->session_timeout);
1430 sta->session_timeout.sec += session_timeout;
1431 sta->session_timeout_set = 1;
1432 ap_sta_session_timeout(hapd, sta, session_timeout);
1433 } else {
1434 sta->session_timeout_set = 0;
1435 ap_sta_no_session_timeout(hapd, sta);
1436 }
1437 }
1438
1439
hostapd_wpa_auth_get_session_timeout(void * ctx,const u8 * sta_addr)1440 static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr)
1441 {
1442 struct hostapd_data *hapd = ctx;
1443 struct sta_info *sta;
1444 struct os_reltime now, remaining;
1445
1446 sta = ap_get_sta(hapd, sta_addr);
1447 if (!sta || !sta->session_timeout_set)
1448 return 0;
1449
1450 os_get_reltime(&now);
1451 if (os_reltime_before(&sta->session_timeout, &now)) {
1452 /* already expired, return >0 as timeout was set */
1453 return 1;
1454 }
1455
1456 os_reltime_sub(&sta->session_timeout, &now, &remaining);
1457
1458 return (remaining.sec > 0) ? remaining.sec : 1;
1459 }
1460
1461
hostapd_rrb_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1462 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
1463 size_t len)
1464 {
1465 struct hostapd_data *hapd = ctx;
1466 struct l2_ethhdr *ethhdr;
1467 if (len < sizeof(*ethhdr))
1468 return;
1469 ethhdr = (struct l2_ethhdr *) buf;
1470 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1471 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
1472 if (!is_multicast_ether_addr(ethhdr->h_dest) &&
1473 !ether_addr_equal(hapd->own_addr, ethhdr->h_dest))
1474 return;
1475 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
1476 len - sizeof(*ethhdr));
1477 }
1478
1479
hostapd_rrb_oui_receive(void * ctx,const u8 * src_addr,const u8 * dst_addr,u8 oui_suffix,const u8 * buf,size_t len)1480 static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr,
1481 const u8 *dst_addr, u8 oui_suffix,
1482 const u8 *buf, size_t len)
1483 {
1484 struct hostapd_data *hapd = ctx;
1485
1486 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1487 MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr));
1488 if (!is_multicast_ether_addr(dst_addr) &&
1489 !ether_addr_equal(hapd->own_addr, dst_addr))
1490 return;
1491 wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf,
1492 len);
1493 }
1494
1495
hostapd_wpa_auth_add_tspec(void * ctx,const u8 * sta_addr,u8 * tspec_ie,size_t tspec_ielen)1496 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
1497 u8 *tspec_ie, size_t tspec_ielen)
1498 {
1499 struct hostapd_data *hapd = ctx;
1500 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
1501 }
1502
1503
1504
hostapd_wpa_register_ft_oui(struct hostapd_data * hapd,const char * ft_iface)1505 static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd,
1506 const char *ft_iface)
1507 {
1508 hapd->oui_pull = eth_p_oui_register(hapd, ft_iface,
1509 FT_PACKET_R0KH_R1KH_PULL,
1510 hostapd_rrb_oui_receive, hapd);
1511 if (!hapd->oui_pull)
1512 return -1;
1513
1514 hapd->oui_resp = eth_p_oui_register(hapd, ft_iface,
1515 FT_PACKET_R0KH_R1KH_RESP,
1516 hostapd_rrb_oui_receive, hapd);
1517 if (!hapd->oui_resp)
1518 return -1;
1519
1520 hapd->oui_push = eth_p_oui_register(hapd, ft_iface,
1521 FT_PACKET_R0KH_R1KH_PUSH,
1522 hostapd_rrb_oui_receive, hapd);
1523 if (!hapd->oui_push)
1524 return -1;
1525
1526 hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface,
1527 FT_PACKET_R0KH_R1KH_SEQ_REQ,
1528 hostapd_rrb_oui_receive, hapd);
1529 if (!hapd->oui_sreq)
1530 return -1;
1531
1532 hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface,
1533 FT_PACKET_R0KH_R1KH_SEQ_RESP,
1534 hostapd_rrb_oui_receive, hapd);
1535 if (!hapd->oui_sresp)
1536 return -1;
1537
1538 return 0;
1539 }
1540
1541
hostapd_wpa_unregister_ft_oui(struct hostapd_data * hapd)1542 static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd)
1543 {
1544 eth_p_oui_unregister(hapd->oui_pull);
1545 hapd->oui_pull = NULL;
1546 eth_p_oui_unregister(hapd->oui_resp);
1547 hapd->oui_resp = NULL;
1548 eth_p_oui_unregister(hapd->oui_push);
1549 hapd->oui_push = NULL;
1550 eth_p_oui_unregister(hapd->oui_sreq);
1551 hapd->oui_sreq = NULL;
1552 eth_p_oui_unregister(hapd->oui_sresp);
1553 hapd->oui_sresp = NULL;
1554 }
1555 #endif /* CONFIG_IEEE80211R_AP */
1556
1557
1558 #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)1559 static void hostapd_request_radius_psk(void *ctx, const u8 *addr, int key_mgmt,
1560 const u8 *anonce,
1561 const u8 *eapol, size_t eapol_len)
1562 {
1563 struct hostapd_data *hapd = ctx;
1564
1565 wpa_printf(MSG_DEBUG, "RADIUS PSK request for " MACSTR " key_mgmt=0x%x",
1566 MAC2STR(addr), key_mgmt);
1567 wpa_hexdump(MSG_DEBUG, "ANonce", anonce, WPA_NONCE_LEN);
1568 wpa_hexdump(MSG_DEBUG, "EAPOL", eapol, eapol_len);
1569 hostapd_acl_req_radius_psk(hapd, addr, key_mgmt, anonce, eapol,
1570 eapol_len);
1571 }
1572 #endif /* CONFIG_NO_RADIUS */
1573
1574
1575 #ifdef CONFIG_PASN
hostapd_set_ltf_keyseed(void * ctx,const u8 * peer_addr,const u8 * ltf_keyseed,size_t ltf_keyseed_len)1576 static int hostapd_set_ltf_keyseed(void *ctx, const u8 *peer_addr,
1577 const u8 *ltf_keyseed,
1578 size_t ltf_keyseed_len)
1579 {
1580 struct hostapd_data *hapd = ctx;
1581
1582 return hostapd_drv_set_secure_ranging_ctx(hapd, hapd->own_addr,
1583 peer_addr, 0, 0, NULL,
1584 ltf_keyseed_len,
1585 ltf_keyseed, 0);
1586 }
1587 #endif /* CONFIG_PASN */
1588
1589
1590 #ifdef CONFIG_IEEE80211BE
1591
hostapd_wpa_auth_get_ml_key_info(void * ctx,struct wpa_auth_ml_key_info * info,bool rekey)1592 static int hostapd_wpa_auth_get_ml_key_info(void *ctx,
1593 struct wpa_auth_ml_key_info *info,
1594 bool rekey)
1595 {
1596 struct hostapd_data *hapd = ctx;
1597 unsigned int i;
1598
1599 wpa_printf(MSG_DEBUG, "WPA_AUTH: MLD: Get key info CB: n_mld_links=%u",
1600 info->n_mld_links);
1601
1602 if (!hapd->conf->mld_ap || !hapd->iface || !hapd->iface->interfaces)
1603 return -1;
1604
1605 for (i = 0; i < info->n_mld_links; i++) {
1606 struct hostapd_data *bss;
1607 u8 link_id = info->links[i].link_id;
1608 bool link_bss_found = false;
1609
1610 wpa_printf(MSG_DEBUG,
1611 "WPA_AUTH: MLD: Get link info CB: link_id=%u",
1612 link_id);
1613
1614 if (hapd->mld_link_id == link_id) {
1615 wpa_auth_ml_get_key_info(hapd->wpa_auth,
1616 &info->links[i],
1617 info->mgmt_frame_prot,
1618 info->beacon_prot,
1619 rekey);
1620 continue;
1621 }
1622
1623 for_each_mld_link(bss, hapd) {
1624 if (bss == hapd || bss->mld_link_id != link_id)
1625 continue;
1626
1627 wpa_auth_ml_get_key_info(bss->wpa_auth,
1628 &info->links[i],
1629 info->mgmt_frame_prot,
1630 info->beacon_prot,
1631 rekey);
1632 link_bss_found = true;
1633 break;
1634 }
1635
1636 if (!link_bss_found)
1637 wpa_printf(MSG_DEBUG,
1638 "WPA_AUTH: MLD: link=%u not found", link_id);
1639 }
1640
1641 return 0;
1642 }
1643
1644 #endif /* CONFIG_IEEE80211BE */
1645
1646
hostapd_wpa_auth_get_drv_flags(void * ctx,u64 * drv_flags,u64 * drv_flags2)1647 static int hostapd_wpa_auth_get_drv_flags(void *ctx,
1648 u64 *drv_flags, u64 *drv_flags2)
1649 {
1650 struct hostapd_data *hapd = ctx;
1651
1652 if (drv_flags)
1653 *drv_flags = hapd->iface->drv_flags;
1654 if (drv_flags2)
1655 *drv_flags2 = hapd->iface->drv_flags2;
1656
1657 return 0;
1658 }
1659
1660
hostapd_setup_wpa(struct hostapd_data * hapd)1661 int hostapd_setup_wpa(struct hostapd_data *hapd)
1662 {
1663 struct wpa_auth_config _conf;
1664 static const struct wpa_auth_callbacks cb = {
1665 .logger = hostapd_wpa_auth_logger,
1666 .disconnect = hostapd_wpa_auth_disconnect,
1667 .mic_failure_report = hostapd_wpa_auth_mic_failure_report,
1668 .psk_failure_report = hostapd_wpa_auth_psk_failure_report,
1669 .set_eapol = hostapd_wpa_auth_set_eapol,
1670 .get_eapol = hostapd_wpa_auth_get_eapol,
1671 .get_psk = hostapd_wpa_auth_get_psk,
1672 .get_msk = hostapd_wpa_auth_get_msk,
1673 .set_key = hostapd_wpa_auth_set_key,
1674 .get_seqnum = hostapd_wpa_auth_get_seqnum,
1675 .send_eapol = hostapd_wpa_auth_send_eapol,
1676 .get_sta_count = hostapd_wpa_auth_get_sta_count,
1677 .for_each_sta = hostapd_wpa_auth_for_each_sta,
1678 .for_each_auth = hostapd_wpa_auth_for_each_auth,
1679 .send_ether = hostapd_wpa_auth_send_ether,
1680 .send_oui = hostapd_wpa_auth_send_oui,
1681 .channel_info = hostapd_channel_info,
1682 .update_vlan = hostapd_wpa_auth_update_vlan,
1683 #ifdef CONFIG_PASN
1684 .store_ptksa = hostapd_store_ptksa,
1685 .clear_ptksa = hostapd_clear_ptksa,
1686 #endif /* CONFIG_PASN */
1687
1688 #ifdef CONFIG_OCV
1689 .get_sta_tx_params = hostapd_get_sta_tx_params,
1690 #endif /* CONFIG_OCV */
1691 #ifdef CONFIG_IEEE80211R_AP
1692 .send_ft_action = hostapd_wpa_auth_send_ft_action,
1693 .add_sta = hostapd_wpa_auth_add_sta,
1694 .add_sta_ft = hostapd_wpa_auth_add_sta_ft,
1695 .add_tspec = hostapd_wpa_auth_add_tspec,
1696 .set_vlan = hostapd_wpa_auth_set_vlan,
1697 .get_vlan = hostapd_wpa_auth_get_vlan,
1698 .set_identity = hostapd_wpa_auth_set_identity,
1699 .get_identity = hostapd_wpa_auth_get_identity,
1700 .set_radius_cui = hostapd_wpa_auth_set_radius_cui,
1701 .get_radius_cui = hostapd_wpa_auth_get_radius_cui,
1702 .set_session_timeout = hostapd_wpa_auth_set_session_timeout,
1703 .get_session_timeout = hostapd_wpa_auth_get_session_timeout,
1704 #endif /* CONFIG_IEEE80211R_AP */
1705 #ifndef CONFIG_NO_RADIUS
1706 .request_radius_psk = hostapd_request_radius_psk,
1707 #endif /* CONFIG_NO_RADIUS */
1708 #ifdef CONFIG_PASN
1709 .set_ltf_keyseed = hostapd_set_ltf_keyseed,
1710 #endif /* CONFIG_PASN */
1711 #ifdef CONFIG_IEEE80211BE
1712 .get_ml_key_info = hostapd_wpa_auth_get_ml_key_info,
1713 #endif /* CONFIG_IEEE80211BE */
1714 .get_drv_flags = hostapd_wpa_auth_get_drv_flags,
1715 };
1716 const u8 *wpa_ie;
1717 size_t wpa_ie_len;
1718 struct hostapd_data *tx_bss;
1719
1720 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
1721 _conf.msg_ctx = hapd->msg_ctx;
1722 tx_bss = hostapd_mbssid_get_tx_bss(hapd);
1723 if (tx_bss != hapd)
1724 _conf.tx_bss_auth = tx_bss->wpa_auth;
1725 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
1726 _conf.tx_status = 1;
1727 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
1728 _conf.ap_mlme = 1;
1729
1730 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) &&
1731 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_NEVER ||
1732 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_LOCAL_OK &&
1733 !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS)))) {
1734 wpa_msg(hapd->msg_ctx, MSG_INFO,
1735 "Disable PTK0 rekey support - replaced with disconnect");
1736 _conf.wpa_deny_ptk0_rekey = 1;
1737 }
1738
1739 if (_conf.extended_key_id &&
1740 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EXTENDED_KEY_ID))
1741 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Extended Key ID supported");
1742 else
1743 _conf.extended_key_id = 0;
1744
1745 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION))
1746 _conf.beacon_prot = 0;
1747
1748 #ifdef CONFIG_OCV
1749 if (!(hapd->iface->drv_flags2 &
1750 (WPA_DRIVER_FLAGS2_AP_SME | WPA_DRIVER_FLAGS2_OCV)))
1751 _conf.ocv = 0;
1752 #endif /* CONFIG_OCV */
1753
1754 _conf.secure_ltf =
1755 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_LTF_AP);
1756 _conf.secure_rtt =
1757 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_RTT_AP);
1758 _conf.prot_range_neg =
1759 !!(hapd->iface->drv_flags2 &
1760 WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP);
1761
1762 #ifdef CONFIG_IEEE80211BE
1763 _conf.mld_addr = NULL;
1764 _conf.link_id = -1;
1765 _conf.first_link_auth = NULL;
1766
1767 if (hapd->conf->mld_ap) {
1768 struct hostapd_data *lhapd;
1769
1770 _conf.mld_addr = hapd->mld->mld_addr;
1771 _conf.link_id = hapd->mld_link_id;
1772
1773 for_each_mld_link(lhapd, hapd) {
1774 if (lhapd == hapd)
1775 continue;
1776
1777 if (lhapd->wpa_auth)
1778 _conf.first_link_auth = lhapd->wpa_auth;
1779 }
1780 }
1781 #endif /* CONFIG_IEEE80211BE */
1782
1783 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd);
1784 if (hapd->wpa_auth == NULL) {
1785 wpa_printf(MSG_ERROR, "WPA initialization failed.");
1786 return -1;
1787 }
1788
1789 if (hostapd_set_privacy(hapd, 1)) {
1790 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1791 "for interface %s", hapd->conf->iface);
1792 return -1;
1793 }
1794
1795 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1796 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1797 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1798 "the kernel driver.");
1799 return -1;
1800 }
1801
1802 if (rsn_preauth_iface_init(hapd)) {
1803 wpa_printf(MSG_ERROR, "Initialization of RSN "
1804 "pre-authentication failed.");
1805 return -1;
1806 }
1807
1808 if (!hapd->ptksa)
1809 hapd->ptksa = ptksa_cache_init();
1810 if (!hapd->ptksa) {
1811 wpa_printf(MSG_ERROR, "Failed to allocate PTKSA cache");
1812 return -1;
1813 }
1814
1815 #ifdef CONFIG_IEEE80211R_AP
1816 if (!hostapd_drv_none(hapd) &&
1817 wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
1818 const char *ft_iface;
1819
1820 ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge :
1821 hapd->conf->iface;
1822 hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB,
1823 hostapd_rrb_receive, hapd, 1);
1824 if (!hapd->l2) {
1825 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
1826 "interface");
1827 return -1;
1828 }
1829
1830 if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) {
1831 wpa_printf(MSG_ERROR,
1832 "Failed to open ETH_P_OUI interface");
1833 return -1;
1834 }
1835 }
1836 #endif /* CONFIG_IEEE80211R_AP */
1837
1838 return 0;
1839
1840 }
1841
1842
hostapd_reconfig_wpa(struct hostapd_data * hapd)1843 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
1844 {
1845 struct wpa_auth_config wpa_auth_conf;
1846 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
1847 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
1848 }
1849
1850
hostapd_deinit_wpa(struct hostapd_data * hapd)1851 void hostapd_deinit_wpa(struct hostapd_data *hapd)
1852 {
1853 ieee80211_tkip_countermeasures_deinit(hapd);
1854 ptksa_cache_deinit(hapd->ptksa);
1855 hapd->ptksa = NULL;
1856
1857 rsn_preauth_iface_deinit(hapd);
1858 if (hapd->wpa_auth) {
1859 wpa_deinit(hapd->wpa_auth);
1860 hapd->wpa_auth = NULL;
1861
1862 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
1863 wpa_printf(MSG_DEBUG, "Could not disable "
1864 "PrivacyInvoked for interface %s",
1865 hapd->conf->iface);
1866 }
1867
1868 if (hapd->drv_priv &&
1869 hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
1870 wpa_printf(MSG_DEBUG, "Could not remove generic "
1871 "information element from interface %s",
1872 hapd->conf->iface);
1873 }
1874 }
1875 ieee802_1x_deinit(hapd);
1876
1877 #ifdef CONFIG_IEEE80211R_AP
1878 eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX);
1879 hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */
1880 eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX);
1881 hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */
1882 l2_packet_deinit(hapd->l2);
1883 hapd->l2 = NULL;
1884 hostapd_wpa_unregister_ft_oui(hapd);
1885 #endif /* CONFIG_IEEE80211R_AP */
1886
1887 #ifdef CONFIG_TESTING_OPTIONS
1888 forced_memzero(hapd->last_gtk, WPA_GTK_MAX_LEN);
1889 forced_memzero(hapd->last_igtk, WPA_IGTK_MAX_LEN);
1890 forced_memzero(hapd->last_bigtk, WPA_BIGTK_MAX_LEN);
1891 #endif /* CONFIG_TESTING_OPTIONS */
1892 }
1893