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_iface * iface,struct hostapd_bss_config * conf,struct hostapd_config * iconf,struct wpa_auth_config * wconf)38 static void hostapd_wpa_auth_conf(struct hostapd_iface *iface,
39 struct hostapd_bss_config *conf,
40 struct hostapd_config *iconf,
41 struct wpa_auth_config *wconf)
42 {
43 int sae_pw_id;
44
45 os_memset(wconf, 0, sizeof(*wconf));
46 wconf->wpa = conf->wpa;
47 wconf->extended_key_id = conf->extended_key_id;
48 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
49 wconf->rsn_override_key_mgmt = conf->rsn_override_key_mgmt;
50 wconf->rsn_override_key_mgmt_2 = conf->rsn_override_key_mgmt_2;
51 wconf->wpa_pairwise = conf->wpa_pairwise;
52 wconf->wpa_group = conf->wpa_group;
53 wconf->wpa_group_rekey = conf->wpa_group_rekey;
54 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
55 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
56 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
57 wconf->wpa_group_update_count = conf->wpa_group_update_count;
58 wconf->wpa_disable_eapol_key_retries =
59 conf->wpa_disable_eapol_key_retries;
60 wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count;
61 wconf->rsn_pairwise = conf->rsn_pairwise;
62 wconf->rsn_override_pairwise = conf->rsn_override_pairwise;
63 wconf->rsn_override_pairwise_2 = conf->rsn_override_pairwise_2;
64 wconf->rsn_preauth = conf->rsn_preauth;
65 wconf->eapol_version = conf->eapol_version;
66 #ifdef CONFIG_MACSEC
67 if (wconf->eapol_version > 2)
68 wconf->eapol_version = 2;
69 #endif /* CONFIG_MACSEC */
70 wconf->wmm_enabled = conf->wmm_enabled;
71 wconf->wmm_uapsd = conf->wmm_uapsd;
72 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
73 #ifdef CONFIG_OCV
74 wconf->ocv = conf->ocv;
75 #endif /* CONFIG_OCV */
76 wconf->okc = conf->okc;
77 wconf->ieee80211w = conf->ieee80211w;
78 wconf->rsn_override_mfp = conf->rsn_override_mfp;
79 wconf->rsn_override_mfp_2 = conf->rsn_override_mfp_2;
80 wconf->beacon_prot = conf->beacon_prot;
81 wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
82 wconf->sae_require_mfp = conf->sae_require_mfp;
83 wconf->ssid_protection = conf->ssid_protection;
84 wconf->ssid_len = conf->ssid.ssid_len;
85 if (wconf->ssid_len > SSID_MAX_LEN)
86 wconf->ssid_len = SSID_MAX_LEN;
87 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
88 #ifdef CONFIG_IEEE80211R_AP
89 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
90 MOBILITY_DOMAIN_ID_LEN);
91 if (conf->nas_identifier &&
92 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
93 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
94 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
95 wconf->r0_key_holder_len);
96 }
97 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
98 wconf->r0_key_lifetime = conf->r0_key_lifetime;
99 wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime;
100 wconf->reassociation_deadline = conf->reassociation_deadline;
101 wconf->rkh_pos_timeout = conf->rkh_pos_timeout;
102 wconf->rkh_neg_timeout = conf->rkh_neg_timeout;
103 wconf->rkh_pull_timeout = conf->rkh_pull_timeout;
104 wconf->rkh_pull_retries = conf->rkh_pull_retries;
105 wconf->r0kh_list = &conf->r0kh_list;
106 wconf->r1kh_list = &conf->r1kh_list;
107 wconf->pmk_r1_push = conf->pmk_r1_push;
108 wconf->ft_over_ds = conf->ft_over_ds;
109 wconf->ft_psk_generate_local = conf->ft_psk_generate_local;
110 #endif /* CONFIG_IEEE80211R_AP */
111 #ifdef CONFIG_HS20
112 wconf->disable_gtk = conf->disable_dgaf;
113 #endif /* CONFIG_HS20 */
114 #ifdef CONFIG_TESTING_OPTIONS
115 wconf->corrupt_gtk_rekey_mic_probability =
116 iconf->corrupt_gtk_rekey_mic_probability;
117 wconf->delay_eapol_tx = iconf->delay_eapol_tx;
118 if (conf->own_ie_override &&
119 wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
120 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
121 os_memcpy(wconf->own_ie_override,
122 wpabuf_head(conf->own_ie_override),
123 wconf->own_ie_override_len);
124 }
125 if (conf->rsne_override &&
126 wpabuf_len(conf->rsne_override) <= MAX_OWN_IE_OVERRIDE) {
127 wconf->rsne_override_len = wpabuf_len(conf->rsne_override);
128 os_memcpy(wconf->rsne_override,
129 wpabuf_head(conf->rsne_override),
130 wconf->rsne_override_len);
131 wconf->rsne_override_set = true;
132 }
133 if (conf->rsnoe_override &&
134 wpabuf_len(conf->rsnoe_override) <= MAX_OWN_IE_OVERRIDE) {
135 wconf->rsnoe_override_len = wpabuf_len(conf->rsnoe_override);
136 os_memcpy(wconf->rsnoe_override,
137 wpabuf_head(conf->rsnoe_override),
138 wconf->rsnoe_override_len);
139 wconf->rsnoe_override_set = true;
140 }
141 if (conf->rsno2e_override &&
142 wpabuf_len(conf->rsno2e_override) <= MAX_OWN_IE_OVERRIDE) {
143 wconf->rsno2e_override_len = wpabuf_len(conf->rsno2e_override);
144 os_memcpy(wconf->rsno2e_override,
145 wpabuf_head(conf->rsno2e_override),
146 wconf->rsno2e_override_len);
147 wconf->rsno2e_override_set = true;
148 }
149 if (conf->rsnxe_override &&
150 wpabuf_len(conf->rsnxe_override) <= MAX_OWN_IE_OVERRIDE) {
151 wconf->rsnxe_override_len = wpabuf_len(conf->rsnxe_override);
152 os_memcpy(wconf->rsnxe_override,
153 wpabuf_head(conf->rsnxe_override),
154 wconf->rsnxe_override_len);
155 wconf->rsnxe_override_set = true;
156 }
157 if (conf->rsnxoe_override &&
158 wpabuf_len(conf->rsnxoe_override) <= MAX_OWN_IE_OVERRIDE) {
159 wconf->rsnxoe_override_len = wpabuf_len(conf->rsnxoe_override);
160 os_memcpy(wconf->rsnxoe_override,
161 wpabuf_head(conf->rsnxoe_override),
162 wconf->rsnxoe_override_len);
163 wconf->rsnxoe_override_set = true;
164 }
165 if (conf->rsne_override_eapol &&
166 wpabuf_len(conf->rsne_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
167 wconf->rsne_override_eapol_set = 1;
168 wconf->rsne_override_eapol_len =
169 wpabuf_len(conf->rsne_override_eapol);
170 os_memcpy(wconf->rsne_override_eapol,
171 wpabuf_head(conf->rsne_override_eapol),
172 wconf->rsne_override_eapol_len);
173 }
174 if (conf->rsnxe_override_eapol &&
175 wpabuf_len(conf->rsnxe_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
176 wconf->rsnxe_override_eapol_set = 1;
177 wconf->rsnxe_override_eapol_len =
178 wpabuf_len(conf->rsnxe_override_eapol);
179 os_memcpy(wconf->rsnxe_override_eapol,
180 wpabuf_head(conf->rsnxe_override_eapol),
181 wconf->rsnxe_override_eapol_len);
182 }
183 if (conf->rsne_override_ft &&
184 wpabuf_len(conf->rsne_override_ft) <= MAX_OWN_IE_OVERRIDE) {
185 wconf->rsne_override_ft_set = 1;
186 wconf->rsne_override_ft_len =
187 wpabuf_len(conf->rsne_override_ft);
188 os_memcpy(wconf->rsne_override_ft,
189 wpabuf_head(conf->rsne_override_ft),
190 wconf->rsne_override_ft_len);
191 }
192 if (conf->rsnxe_override_ft &&
193 wpabuf_len(conf->rsnxe_override_ft) <= MAX_OWN_IE_OVERRIDE) {
194 wconf->rsnxe_override_ft_set = 1;
195 wconf->rsnxe_override_ft_len =
196 wpabuf_len(conf->rsnxe_override_ft);
197 os_memcpy(wconf->rsnxe_override_ft,
198 wpabuf_head(conf->rsnxe_override_ft),
199 wconf->rsnxe_override_ft_len);
200 }
201 if (conf->gtk_rsc_override &&
202 wpabuf_len(conf->gtk_rsc_override) > 0 &&
203 wpabuf_len(conf->gtk_rsc_override) <= WPA_KEY_RSC_LEN) {
204 os_memcpy(wconf->gtk_rsc_override,
205 wpabuf_head(conf->gtk_rsc_override),
206 wpabuf_len(conf->gtk_rsc_override));
207 wconf->gtk_rsc_override_set = 1;
208 }
209 if (conf->igtk_rsc_override &&
210 wpabuf_len(conf->igtk_rsc_override) > 0 &&
211 wpabuf_len(conf->igtk_rsc_override) <= WPA_KEY_RSC_LEN) {
212 os_memcpy(wconf->igtk_rsc_override,
213 wpabuf_head(conf->igtk_rsc_override),
214 wpabuf_len(conf->igtk_rsc_override));
215 wconf->igtk_rsc_override_set = 1;
216 }
217 wconf->ft_rsnxe_used = conf->ft_rsnxe_used;
218 wconf->oci_freq_override_eapol_m3 = conf->oci_freq_override_eapol_m3;
219 wconf->oci_freq_override_eapol_g1 = conf->oci_freq_override_eapol_g1;
220 wconf->oci_freq_override_ft_assoc = conf->oci_freq_override_ft_assoc;
221 wconf->oci_freq_override_fils_assoc =
222 conf->oci_freq_override_fils_assoc;
223
224 if (conf->eapol_m1_elements)
225 wconf->eapol_m1_elements = wpabuf_dup(conf->eapol_m1_elements);
226 if (conf->eapol_m3_elements)
227 wconf->eapol_m3_elements = wpabuf_dup(conf->eapol_m3_elements);
228 wconf->eapol_m3_no_encrypt = conf->eapol_m3_no_encrypt;
229 wconf->eapol_key_reserved_random = conf->eapol_key_reserved_random;
230 #endif /* CONFIG_TESTING_OPTIONS */
231 #ifdef CONFIG_P2P
232 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
233 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
234 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
235 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
236 #endif /* CONFIG_P2P */
237 #ifdef CONFIG_FILS
238 wconf->fils_cache_id_set = conf->fils_cache_id_set;
239 os_memcpy(wconf->fils_cache_id, conf->fils_cache_id,
240 FILS_CACHE_ID_LEN);
241 #endif /* CONFIG_FILS */
242 wconf->sae_pwe = conf->sae_pwe;
243 sae_pw_id = hostapd_sae_pw_id_in_use(conf);
244 if (sae_pw_id == 2 && wconf->sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK)
245 wconf->sae_pwe = SAE_PWE_HASH_TO_ELEMENT;
246 else if (sae_pw_id == 1 && wconf->sae_pwe == SAE_PWE_HUNT_AND_PECK)
247 wconf->sae_pwe = SAE_PWE_BOTH;
248 #ifdef CONFIG_SAE_PK
249 wconf->sae_pk = hostapd_sae_pk_in_use(conf);
250 #endif /* CONFIG_SAE_PK */
251 #ifdef CONFIG_OWE
252 wconf->owe_ptk_workaround = conf->owe_ptk_workaround;
253 #endif /* CONFIG_OWE */
254 wconf->transition_disable = conf->transition_disable;
255 #ifdef CONFIG_DPP2
256 wconf->dpp_pfs = conf->dpp_pfs;
257 #endif /* CONFIG_DPP2 */
258 #ifdef CONFIG_PASN
259 #ifdef CONFIG_TESTING_OPTIONS
260 wconf->force_kdk_derivation = conf->force_kdk_derivation;
261 #endif /* CONFIG_TESTING_OPTIONS */
262 #endif /* CONFIG_PASN */
263
264 wconf->radius_psk = conf->wpa_psk_radius == PSK_RADIUS_DURING_4WAY_HS;
265 wconf->no_disconnect_on_group_keyerror =
266 conf->bss_max_idle && conf->ap_max_inactivity &&
267 conf->no_disconnect_on_group_keyerror;
268
269 wconf->rsn_override_omit_rsnxe = conf->rsn_override_omit_rsnxe;
270 wconf->spp_amsdu = conf->spp_amsdu &&
271 (iface->drv_flags2 & WPA_DRIVER_FLAGS2_SPP_AMSDU);
272 }
273
274
hostapd_wpa_auth_logger(void * ctx,const u8 * addr,logger_level level,const char * txt)275 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
276 logger_level level, const char *txt)
277 {
278 #ifndef CONFIG_NO_HOSTAPD_LOGGER
279 struct hostapd_data *hapd = ctx;
280 int hlevel;
281
282 switch (level) {
283 case LOGGER_WARNING:
284 hlevel = HOSTAPD_LEVEL_WARNING;
285 break;
286 case LOGGER_INFO:
287 hlevel = HOSTAPD_LEVEL_INFO;
288 break;
289 case LOGGER_DEBUG:
290 default:
291 hlevel = HOSTAPD_LEVEL_DEBUG;
292 break;
293 }
294
295 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
296 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
297 }
298
299
hostapd_wpa_auth_disconnect(void * ctx,const u8 * addr,u16 reason)300 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
301 u16 reason)
302 {
303 struct hostapd_data *hapd = ctx;
304 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
305 "STA " MACSTR " reason %d",
306 __func__, MAC2STR(addr), reason);
307 ap_sta_disconnect(hapd, NULL, addr, reason);
308 }
309
310
hostapd_wpa_auth_mic_failure_report(void * ctx,const u8 * addr)311 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
312 {
313 struct hostapd_data *hapd = ctx;
314 return michael_mic_failure(hapd, addr, 0);
315 }
316
317
hostapd_wpa_auth_psk_failure_report(void * ctx,const u8 * addr)318 static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
319 {
320 struct hostapd_data *hapd = ctx;
321 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
322 MAC2STR(addr));
323 }
324
325
hostapd_wpa_auth_set_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var,int value)326 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
327 wpa_eapol_variable var, int value)
328 {
329 struct hostapd_data *hapd = ctx;
330 struct sta_info *sta = ap_get_sta(hapd, addr);
331 if (sta == NULL)
332 return;
333 switch (var) {
334 case WPA_EAPOL_portEnabled:
335 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
336 break;
337 case WPA_EAPOL_portValid:
338 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
339 break;
340 case WPA_EAPOL_authorized:
341 ieee802_1x_set_sta_authorized(hapd, sta, value);
342 break;
343 case WPA_EAPOL_portControl_Auto:
344 if (sta->eapol_sm)
345 sta->eapol_sm->portControl = Auto;
346 break;
347 case WPA_EAPOL_keyRun:
348 if (sta->eapol_sm)
349 sta->eapol_sm->keyRun = value;
350 break;
351 case WPA_EAPOL_keyAvailable:
352 if (sta->eapol_sm)
353 sta->eapol_sm->eap_if->eapKeyAvailable = value;
354 break;
355 case WPA_EAPOL_keyDone:
356 if (sta->eapol_sm)
357 sta->eapol_sm->keyDone = value;
358 break;
359 case WPA_EAPOL_inc_EapolFramesTx:
360 if (sta->eapol_sm)
361 sta->eapol_sm->dot1xAuthEapolFramesTx++;
362 break;
363 }
364 }
365
366
hostapd_wpa_auth_get_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var)367 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
368 wpa_eapol_variable var)
369 {
370 struct hostapd_data *hapd = ctx;
371 struct sta_info *sta = ap_get_sta(hapd, addr);
372 if (sta == NULL || sta->eapol_sm == NULL)
373 return -1;
374 switch (var) {
375 case WPA_EAPOL_keyRun:
376 return sta->eapol_sm->keyRun;
377 case WPA_EAPOL_keyAvailable:
378 return sta->eapol_sm->eap_if->eapKeyAvailable;
379 default:
380 return -1;
381 }
382 }
383
384
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)385 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
386 const u8 *p2p_dev_addr,
387 const u8 *prev_psk, size_t *psk_len,
388 int *vlan_id)
389 {
390 struct hostapd_data *hapd = ctx;
391 struct sta_info *sta = ap_get_sta(hapd, addr);
392 const u8 *psk;
393
394 if (vlan_id)
395 *vlan_id = 0;
396 if (psk_len)
397 *psk_len = PMK_LEN;
398
399 #ifdef CONFIG_SAE
400 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
401 if (!sta->sae || prev_psk)
402 return NULL;
403 if (psk_len)
404 *psk_len = sta->sae->pmk_len;
405 return sta->sae->pmk;
406 }
407 if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
408 wpa_printf(MSG_DEBUG,
409 "No PSK for STA trying to use SAE with PMKSA caching");
410 return NULL;
411 }
412 #endif /* CONFIG_SAE */
413
414 #ifdef CONFIG_OWE
415 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
416 sta && sta->owe_pmk) {
417 if (psk_len)
418 *psk_len = sta->owe_pmk_len;
419 return sta->owe_pmk;
420 }
421 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
422 struct rsn_pmksa_cache_entry *sa;
423
424 sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
425 if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
426 if (psk_len)
427 *psk_len = sa->pmk_len;
428 return sa->pmk;
429 }
430 }
431 #endif /* CONFIG_OWE */
432
433 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
434 vlan_id);
435 /*
436 * This is about to iterate over all psks, prev_psk gives the last
437 * returned psk which should not be returned again.
438 * logic list (all hostapd_get_psk; all sta->psk)
439 */
440 if (sta && sta->psk && !psk) {
441 struct hostapd_sta_wpa_psk_short *pos;
442
443 if (vlan_id)
444 *vlan_id = 0;
445 psk = sta->psk->psk;
446 for (pos = sta->psk; pos; pos = pos->next) {
447 if (pos->is_passphrase) {
448 if (pbkdf2_sha1(pos->passphrase,
449 hapd->conf->ssid.ssid,
450 hapd->conf->ssid.ssid_len, 4096,
451 pos->psk, PMK_LEN) != 0) {
452 wpa_printf(MSG_WARNING,
453 "Error in pbkdf2_sha1()");
454 continue;
455 }
456 pos->is_passphrase = 0;
457 }
458 if (pos->psk == prev_psk) {
459 psk = pos->next ? pos->next->psk : NULL;
460 break;
461 }
462 }
463 }
464 return psk;
465 }
466
467
hostapd_wpa_auth_get_msk(void * ctx,const u8 * addr,u8 * msk,size_t * len)468 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
469 size_t *len)
470 {
471 struct hostapd_data *hapd = ctx;
472 const u8 *key;
473 size_t keylen;
474 struct sta_info *sta;
475
476 sta = ap_get_sta(hapd, addr);
477 if (sta == NULL) {
478 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
479 return -1;
480 }
481
482 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
483 if (key == NULL) {
484 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
485 sta->eapol_sm);
486 return -1;
487 }
488
489 if (keylen > *len)
490 keylen = *len;
491 os_memcpy(msk, key, keylen);
492 *len = keylen;
493
494 return 0;
495 }
496
497
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)498 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
499 const u8 *addr, int idx, u8 *key,
500 size_t key_len, enum key_flag key_flag)
501 {
502 struct hostapd_data *hapd = ctx;
503 const char *ifname = hapd->conf->iface;
504 int set_tx = !(key_flag & KEY_FLAG_NEXT);
505
506 if (vlan_id > 0) {
507 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
508 if (!ifname) {
509 if (!(hapd->iface->drv_flags &
510 WPA_DRIVER_FLAGS_VLAN_OFFLOAD))
511 return -1;
512 ifname = hapd->conf->iface;
513 }
514 }
515
516 #ifdef CONFIG_TESTING_OPTIONS
517 if (key_flag & KEY_FLAG_MODIFY) {
518 /* We are updating an already installed key. Don't overwrite
519 * the already stored key information with zeros.
520 */
521 } else if (addr && !is_broadcast_ether_addr(addr)) {
522 struct sta_info *sta;
523
524 sta = ap_get_sta(hapd, addr);
525 if (sta) {
526 sta->last_tk_alg = alg;
527 sta->last_tk_key_idx = idx;
528 if (key)
529 os_memcpy(sta->last_tk, key, key_len);
530 sta->last_tk_len = key_len;
531 }
532 } else if (alg == WPA_ALG_BIP_CMAC_128 ||
533 alg == WPA_ALG_BIP_GMAC_128 ||
534 alg == WPA_ALG_BIP_GMAC_256 ||
535 alg == WPA_ALG_BIP_CMAC_256) {
536 if (idx == 4 || idx == 5) {
537 hapd->last_igtk_alg = alg;
538 hapd->last_igtk_key_idx = idx;
539 if (key)
540 os_memcpy(hapd->last_igtk, key, key_len);
541 hapd->last_igtk_len = key_len;
542 } else if (idx == 6 || idx == 7) {
543 hapd->last_bigtk_alg = alg;
544 hapd->last_bigtk_key_idx = idx;
545 if (key)
546 os_memcpy(hapd->last_bigtk, key, key_len);
547 hapd->last_bigtk_len = key_len;
548 }
549 } else {
550 hapd->last_gtk_alg = alg;
551 hapd->last_gtk_key_idx = idx;
552 if (key)
553 os_memcpy(hapd->last_gtk, key, key_len);
554 hapd->last_gtk_len = key_len;
555 }
556 #endif /* CONFIG_TESTING_OPTIONS */
557 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, vlan_id,
558 set_tx, NULL, 0, key, key_len, key_flag);
559 }
560
561
hostapd_wpa_auth_get_seqnum(void * ctx,const u8 * addr,int idx,u8 * seq)562 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
563 u8 *seq)
564 {
565 struct hostapd_data *hapd = ctx;
566 int link_id = -1;
567
568 #ifdef CONFIG_IEEE80211BE
569 if (hapd->conf->mld_ap && idx)
570 link_id = hapd->mld_link_id;
571 #endif /* CONFIG_IEEE80211BE */
572 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, link_id,
573 seq);
574 }
575
576
hostapd_wpa_auth_send_eapol(void * ctx,const u8 * addr,const u8 * data,size_t data_len,int encrypt)577 int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
578 const u8 *data, size_t data_len,
579 int encrypt)
580 {
581 struct hostapd_data *hapd = ctx;
582 struct sta_info *sta;
583 u32 flags = 0;
584 int link_id = -1;
585
586 #ifdef CONFIG_IEEE80211BE
587 link_id = hapd->conf->mld_ap ? hapd->mld_link_id : -1;
588 #endif /* CONFIG_IEEE80211BE */
589
590 #ifdef CONFIG_TESTING_OPTIONS
591 if (hapd->ext_eapol_frame_io) {
592 size_t hex_len = 2 * data_len + 1;
593 char *hex = os_malloc(hex_len);
594
595 if (hex == NULL)
596 return -1;
597 wpa_snprintf_hex(hex, hex_len, data, data_len);
598 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
599 MAC2STR(addr), hex);
600 os_free(hex);
601 return 0;
602 }
603 #endif /* CONFIG_TESTING_OPTIONS */
604
605 sta = ap_get_sta(hapd, addr);
606 if (sta) {
607 flags = hostapd_sta_flags_to_drv(sta->flags);
608 #ifdef CONFIG_IEEE80211BE
609 if (ap_sta_is_mld(hapd, sta) &&
610 (sta->flags & WLAN_STA_AUTHORIZED))
611 link_id = -1;
612 #endif /* CONFIG_IEEE80211BE */
613 }
614
615 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
616 encrypt, flags, link_id);
617 }
618
619
hostapd_wpa_auth_get_sta_count(void * ctx)620 static int hostapd_wpa_auth_get_sta_count(void *ctx)
621 {
622 struct hostapd_data *hapd = ctx;
623
624 return hapd->num_sta;
625 }
626
627
hostapd_wpa_auth_for_each_sta(void * ctx,int (* cb)(struct wpa_state_machine * sm,void * ctx),void * cb_ctx)628 static int hostapd_wpa_auth_for_each_sta(
629 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
630 void *cb_ctx)
631 {
632 struct hostapd_data *hapd = ctx;
633 struct sta_info *sta;
634
635 for (sta = hapd->sta_list; sta; sta = sta->next) {
636 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
637 return 1;
638 }
639 return 0;
640 }
641
642
643 struct wpa_auth_iface_iter_data {
644 int (*cb)(struct wpa_authenticator *sm, void *ctx);
645 void *cb_ctx;
646 };
647
wpa_auth_iface_iter(struct hostapd_iface * iface,void * ctx)648 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
649 {
650 struct wpa_auth_iface_iter_data *data = ctx;
651 size_t i;
652 for (i = 0; i < iface->num_bss; i++) {
653 if (iface->bss[i]->wpa_auth &&
654 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
655 return 1;
656 }
657 return 0;
658 }
659
660
hostapd_wpa_auth_for_each_auth(void * ctx,int (* cb)(struct wpa_authenticator * sm,void * ctx),void * cb_ctx)661 static int hostapd_wpa_auth_for_each_auth(
662 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
663 void *cb_ctx)
664 {
665 struct hostapd_data *hapd = ctx;
666 struct wpa_auth_iface_iter_data data;
667 if (hapd->iface->interfaces == NULL ||
668 hapd->iface->interfaces->for_each_interface == NULL)
669 return -1;
670 data.cb = cb;
671 data.cb_ctx = cb_ctx;
672 return hapd->iface->interfaces->for_each_interface(
673 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
674 }
675
676
677 #ifdef CONFIG_IEEE80211R_AP
678
679 struct wpa_ft_rrb_rx_later_data {
680 struct dl_list list;
681 u8 addr[ETH_ALEN];
682 size_t data_len;
683 /* followed by data_len octets of data */
684 };
685
hostapd_wpa_ft_rrb_rx_later(void * eloop_ctx,void * timeout_ctx)686 static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx)
687 {
688 struct hostapd_data *hapd = eloop_ctx;
689 struct wpa_ft_rrb_rx_later_data *data, *n;
690
691 dl_list_for_each_safe(data, n, &hapd->l2_queue,
692 struct wpa_ft_rrb_rx_later_data, list) {
693 if (hapd->wpa_auth) {
694 wpa_ft_rrb_rx(hapd->wpa_auth, data->addr,
695 (const u8 *) (data + 1),
696 data->data_len);
697 }
698 dl_list_del(&data->list);
699 os_free(data);
700 }
701 }
702
703
704 struct wpa_auth_ft_iface_iter_data {
705 struct hostapd_data *src_hapd;
706 const u8 *dst;
707 const u8 *data;
708 size_t data_len;
709 };
710
711
hostapd_wpa_auth_ft_iter(struct hostapd_iface * iface,void * ctx)712 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
713 {
714 struct wpa_auth_ft_iface_iter_data *idata = ctx;
715 struct wpa_ft_rrb_rx_later_data *data;
716 struct hostapd_data *hapd;
717 size_t j;
718
719 for (j = 0; j < iface->num_bss; j++) {
720 hapd = iface->bss[j];
721 if (hapd == idata->src_hapd ||
722 !hapd->wpa_auth ||
723 !ether_addr_equal(hapd->own_addr, idata->dst))
724 continue;
725
726 wpa_printf(MSG_DEBUG,
727 "FT: Send RRB data directly to locally managed BSS "
728 MACSTR "@%s -> " MACSTR "@%s",
729 MAC2STR(idata->src_hapd->own_addr),
730 idata->src_hapd->conf->iface,
731 MAC2STR(hapd->own_addr), hapd->conf->iface);
732
733 /* Defer wpa_ft_rrb_rx() until next eloop step as this is
734 * when it would be triggered when reading from a socket.
735 * This avoids
736 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
737 * that is calling hapd0:recv handler from within
738 * hapd0:send directly.
739 */
740 data = os_zalloc(sizeof(*data) + idata->data_len);
741 if (!data)
742 return 1;
743
744 os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN);
745 os_memcpy(data + 1, idata->data, idata->data_len);
746 data->data_len = idata->data_len;
747
748 dl_list_add(&hapd->l2_queue, &data->list);
749
750 if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later,
751 hapd, NULL))
752 eloop_register_timeout(0, 0,
753 hostapd_wpa_ft_rrb_rx_later,
754 hapd, NULL);
755
756 return 1;
757 }
758
759 return 0;
760 }
761
762 #endif /* CONFIG_IEEE80211R_AP */
763
764
hostapd_wpa_auth_send_ether(void * ctx,const u8 * dst,u16 proto,const u8 * data,size_t data_len)765 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
766 const u8 *data, size_t data_len)
767 {
768 struct hostapd_data *hapd = ctx;
769 struct l2_ethhdr *buf;
770 int ret;
771
772 #ifdef CONFIG_TESTING_OPTIONS
773 if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
774 size_t hex_len = 2 * data_len + 1;
775 char *hex = os_malloc(hex_len);
776
777 if (hex == NULL)
778 return -1;
779 wpa_snprintf_hex(hex, hex_len, data, data_len);
780 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
781 MAC2STR(dst), hex);
782 os_free(hex);
783 return 0;
784 }
785 #endif /* CONFIG_TESTING_OPTIONS */
786
787 #ifdef CONFIG_IEEE80211R_AP
788 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
789 hapd->iface->interfaces->for_each_interface) {
790 int res;
791 struct wpa_auth_ft_iface_iter_data idata;
792 idata.src_hapd = hapd;
793 idata.dst = dst;
794 idata.data = data;
795 idata.data_len = data_len;
796 res = hapd->iface->interfaces->for_each_interface(
797 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
798 &idata);
799 if (res == 1)
800 return data_len;
801 }
802 #endif /* CONFIG_IEEE80211R_AP */
803
804 if (hapd->l2 == NULL)
805 return -1;
806
807 buf = os_malloc(sizeof(*buf) + data_len);
808 if (buf == NULL)
809 return -1;
810 os_memcpy(buf->h_dest, dst, ETH_ALEN);
811 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
812 buf->h_proto = host_to_be16(proto);
813 os_memcpy(buf + 1, data, data_len);
814 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
815 sizeof(*buf) + data_len);
816 os_free(buf);
817 return ret;
818 }
819
820
821 #ifdef CONFIG_ETH_P_OUI
hostapd_wpa_get_oui(struct hostapd_data * hapd,u8 oui_suffix)822 static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd,
823 u8 oui_suffix)
824 {
825 switch (oui_suffix) {
826 #ifdef CONFIG_IEEE80211R_AP
827 case FT_PACKET_R0KH_R1KH_PULL:
828 return hapd->oui_pull;
829 case FT_PACKET_R0KH_R1KH_RESP:
830 return hapd->oui_resp;
831 case FT_PACKET_R0KH_R1KH_PUSH:
832 return hapd->oui_push;
833 case FT_PACKET_R0KH_R1KH_SEQ_REQ:
834 return hapd->oui_sreq;
835 case FT_PACKET_R0KH_R1KH_SEQ_RESP:
836 return hapd->oui_sresp;
837 #endif /* CONFIG_IEEE80211R_AP */
838 default:
839 return NULL;
840 }
841 }
842 #endif /* CONFIG_ETH_P_OUI */
843
844
845 #ifdef CONFIG_IEEE80211R_AP
846
847 struct oui_deliver_later_data {
848 struct dl_list list;
849 u8 src_addr[ETH_ALEN];
850 u8 dst_addr[ETH_ALEN];
851 size_t data_len;
852 u8 oui_suffix;
853 /* followed by data_len octets of data */
854 };
855
hostapd_oui_deliver_later(void * eloop_ctx,void * timeout_ctx)856 static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx)
857 {
858 struct hostapd_data *hapd = eloop_ctx;
859 struct oui_deliver_later_data *data, *n;
860 struct eth_p_oui_ctx *oui_ctx;
861
862 dl_list_for_each_safe(data, n, &hapd->l2_oui_queue,
863 struct oui_deliver_later_data, list) {
864 oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix);
865 wpa_printf(MSG_DEBUG, "RRB(%s): %s src=" MACSTR " dst=" MACSTR
866 " oui_suffix=%u data_len=%u data=%p",
867 hapd->conf->iface, __func__,
868 MAC2STR(data->src_addr), MAC2STR(data->dst_addr),
869 data->oui_suffix, (unsigned int) data->data_len,
870 data);
871 if (hapd->wpa_auth && oui_ctx) {
872 eth_p_oui_deliver(oui_ctx, data->src_addr,
873 data->dst_addr,
874 (const u8 *) (data + 1),
875 data->data_len);
876 }
877 dl_list_del(&data->list);
878 os_free(data);
879 }
880 }
881
882
883 struct wpa_auth_oui_iface_iter_data {
884 struct hostapd_data *src_hapd;
885 const u8 *dst_addr;
886 const u8 *data;
887 size_t data_len;
888 u8 oui_suffix;
889 };
890
hostapd_wpa_auth_oui_iter(struct hostapd_iface * iface,void * ctx)891 static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
892 {
893 struct wpa_auth_oui_iface_iter_data *idata = ctx;
894 struct oui_deliver_later_data *data;
895 struct hostapd_data *hapd, *src_hapd = idata->src_hapd;
896 size_t j;
897
898 for (j = 0; j < iface->num_bss; j++) {
899 hapd = iface->bss[j];
900 if (hapd == src_hapd)
901 continue; /* don't deliver back to same interface */
902 if (!wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) ||
903 hapd->conf->ssid.ssid_len !=
904 src_hapd->conf->ssid.ssid_len ||
905 os_memcmp(hapd->conf->ssid.ssid,
906 src_hapd->conf->ssid.ssid,
907 hapd->conf->ssid.ssid_len) != 0 ||
908 os_memcmp(hapd->conf->mobility_domain,
909 src_hapd->conf->mobility_domain,
910 MOBILITY_DOMAIN_ID_LEN) != 0)
911 continue; /* no matching FT SSID/mobility domain */
912 if (!is_multicast_ether_addr(idata->dst_addr) &&
913 !ether_addr_equal(hapd->own_addr, idata->dst_addr))
914 continue; /* destination address does not match */
915
916 /* defer eth_p_oui_deliver until next eloop step as this is
917 * when it would be triggerd from reading from sock
918 * This avoids
919 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
920 * that is calling hapd0:recv handler from within
921 * hapd0:send directly.
922 */
923 data = os_zalloc(sizeof(*data) + idata->data_len);
924 if (!data)
925 return 1;
926 wpa_printf(MSG_DEBUG,
927 "RRB(%s): local delivery to %s dst=" MACSTR
928 " oui_suffix=%u data_len=%u data=%p",
929 src_hapd->conf->iface, hapd->conf->iface,
930 MAC2STR(idata->dst_addr), idata->oui_suffix,
931 (unsigned int) idata->data_len, data);
932
933 os_memcpy(data->src_addr, src_hapd->own_addr, ETH_ALEN);
934 os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN);
935 os_memcpy(data + 1, idata->data, idata->data_len);
936 data->data_len = idata->data_len;
937 data->oui_suffix = idata->oui_suffix;
938
939 dl_list_add_tail(&hapd->l2_oui_queue, &data->list);
940
941 if (!eloop_is_timeout_registered(hostapd_oui_deliver_later,
942 hapd, NULL))
943 eloop_register_timeout(0, 0,
944 hostapd_oui_deliver_later,
945 hapd, NULL);
946
947 /* If dst_addr is a multicast address, do not return any
948 * non-zero value here. Otherwise, the iteration of
949 * for_each_interface() will be stopped. */
950 if (!is_multicast_ether_addr(idata->dst_addr))
951 return 1;
952 }
953
954 return 0;
955 }
956
957 #endif /* CONFIG_IEEE80211R_AP */
958
959
hostapd_wpa_auth_send_oui(void * ctx,const u8 * dst,u8 oui_suffix,const u8 * data,size_t data_len)960 static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix,
961 const u8 *data, size_t data_len)
962 {
963 #ifdef CONFIG_ETH_P_OUI
964 struct hostapd_data *hapd = ctx;
965 struct eth_p_oui_ctx *oui_ctx;
966
967 wpa_printf(MSG_DEBUG, "RRB(%s): send to dst=" MACSTR
968 " oui_suffix=%u data_len=%u",
969 hapd->conf->iface, MAC2STR(dst), oui_suffix,
970 (unsigned int) data_len);
971 #ifdef CONFIG_IEEE80211R_AP
972 if (hapd->iface->interfaces &&
973 hapd->iface->interfaces->for_each_interface) {
974 struct wpa_auth_oui_iface_iter_data idata;
975 int res;
976
977 idata.src_hapd = hapd;
978 idata.dst_addr = dst;
979 idata.data = data;
980 idata.data_len = data_len;
981 idata.oui_suffix = oui_suffix;
982 res = hapd->iface->interfaces->for_each_interface(
983 hapd->iface->interfaces, hostapd_wpa_auth_oui_iter,
984 &idata);
985 if (res == 1)
986 return data_len;
987 }
988 #endif /* CONFIG_IEEE80211R_AP */
989
990 oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix);
991 if (!oui_ctx)
992 return -1;
993
994 return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len);
995 #else /* CONFIG_ETH_P_OUI */
996 return -1;
997 #endif /* CONFIG_ETH_P_OUI */
998 }
999
1000
hostapd_channel_info(void * ctx,struct wpa_channel_info * ci)1001 static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
1002 {
1003 struct hostapd_data *hapd = ctx;
1004
1005 return hostapd_drv_channel_info(hapd, ci);
1006 }
1007
1008
1009 #ifdef CONFIG_PASN
1010
hostapd_store_ptksa(void * ctx,const u8 * addr,int cipher,u32 life_time,const struct wpa_ptk * ptk)1011 static void hostapd_store_ptksa(void *ctx, const u8 *addr,int cipher,
1012 u32 life_time, const struct wpa_ptk *ptk)
1013 {
1014 struct hostapd_data *hapd = ctx;
1015
1016 ptksa_cache_add(hapd->ptksa, hapd->own_addr, addr, cipher, life_time,
1017 ptk, NULL, NULL, 0);
1018 }
1019
1020
hostapd_clear_ptksa(void * ctx,const u8 * addr,int cipher)1021 static void hostapd_clear_ptksa(void *ctx, const u8 *addr, int cipher)
1022 {
1023 struct hostapd_data *hapd = ctx;
1024
1025 ptksa_cache_flush(hapd->ptksa, addr, cipher);
1026 }
1027
1028 #endif /* CONFIG_PASN */
1029
1030
hostapd_wpa_auth_update_vlan(void * ctx,const u8 * addr,int vlan_id)1031 static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
1032 {
1033 #ifndef CONFIG_NO_VLAN
1034 struct hostapd_data *hapd = ctx;
1035 struct sta_info *sta;
1036
1037 sta = ap_get_sta(hapd, addr);
1038 if (!sta)
1039 return -1;
1040
1041 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
1042 struct vlan_description vlan_desc;
1043
1044 os_memset(&vlan_desc, 0, sizeof(vlan_desc));
1045 vlan_desc.notempty = 1;
1046 vlan_desc.untagged = vlan_id;
1047 if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
1048 wpa_printf(MSG_INFO,
1049 "Invalid VLAN ID %d in wpa_psk_file",
1050 vlan_id);
1051 return -1;
1052 }
1053
1054 if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) {
1055 wpa_printf(MSG_INFO,
1056 "Failed to assign VLAN ID %d from wpa_psk_file to "
1057 MACSTR, vlan_id, MAC2STR(sta->addr));
1058 return -1;
1059 }
1060 } else {
1061 sta->vlan_id = vlan_id;
1062 }
1063
1064 wpa_printf(MSG_INFO,
1065 "Assigned VLAN ID %d from wpa_psk_file to " MACSTR,
1066 vlan_id, MAC2STR(sta->addr));
1067 if ((sta->flags & WLAN_STA_ASSOC) &&
1068 ap_sta_bind_vlan(hapd, sta) < 0)
1069 return -1;
1070 #endif /* CONFIG_NO_VLAN */
1071
1072 return 0;
1073 }
1074
1075
1076 #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)1077 static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr,
1078 int ap_max_chanwidth, int ap_seg1_idx,
1079 int *bandwidth, int *seg1_idx)
1080 {
1081 struct hostapd_data *hapd = ctx;
1082 struct sta_info *sta;
1083
1084 sta = ap_get_sta(hapd, addr);
1085 if (!sta) {
1086 hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO,
1087 "Failed to get STA info to validate received OCI");
1088 return -1;
1089 }
1090
1091 return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth,
1092 seg1_idx);
1093 }
1094 #endif /* CONFIG_OCV */
1095
1096
1097 #ifdef CONFIG_IEEE80211R_AP
1098
hostapd_wpa_auth_send_ft_action(void * ctx,const u8 * dst,const u8 * data,size_t data_len)1099 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
1100 const u8 *data, size_t data_len)
1101 {
1102 struct hostapd_data *hapd = ctx;
1103 int res;
1104 struct ieee80211_mgmt *m;
1105 size_t mlen;
1106 struct sta_info *sta;
1107
1108 sta = ap_get_sta(hapd, dst);
1109 if (sta == NULL || sta->wpa_sm == NULL)
1110 return -1;
1111
1112 m = os_zalloc(sizeof(*m) + data_len);
1113 if (m == NULL)
1114 return -1;
1115 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
1116 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1117 WLAN_FC_STYPE_ACTION);
1118 os_memcpy(m->da, dst, ETH_ALEN);
1119 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
1120 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
1121 os_memcpy(&m->u, data, data_len);
1122
1123 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0, NULL, 0, 0);
1124 os_free(m);
1125 return res;
1126 }
1127
1128
1129 static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void * ctx,const u8 * sta_addr)1130 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
1131 {
1132 struct hostapd_data *hapd = ctx;
1133 struct sta_info *sta;
1134 int ret;
1135
1136 wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR
1137 " based on WPA authenticator callback",
1138 MAC2STR(sta_addr));
1139 ret = hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT);
1140
1141 /*
1142 * The expected return values from hostapd_add_sta_node() are
1143 * 0: successfully added STA entry
1144 * -EOPNOTSUPP: driver or driver wrapper does not support/need this
1145 * operations
1146 * any other negative value: error in adding the STA entry */
1147 if (ret < 0 && ret != -EOPNOTSUPP)
1148 return NULL;
1149
1150 sta = ap_sta_add(hapd, sta_addr);
1151 if (sta == NULL)
1152 return NULL;
1153 if (ret == 0)
1154 sta->added_unassoc = 1;
1155
1156 sta->ft_over_ds = 1;
1157 if (sta->wpa_sm) {
1158 sta->auth_alg = WLAN_AUTH_FT;
1159 return sta->wpa_sm;
1160 }
1161
1162 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
1163 if (sta->wpa_sm == NULL) {
1164 ap_free_sta(hapd, sta);
1165 return NULL;
1166 }
1167 sta->auth_alg = WLAN_AUTH_FT;
1168
1169 return sta->wpa_sm;
1170 }
1171
1172
hostapd_wpa_auth_add_sta_ft(void * ctx,const u8 * sta_addr)1173 static int hostapd_wpa_auth_add_sta_ft(void *ctx, const u8 *sta_addr)
1174 {
1175 struct hostapd_data *hapd = ctx;
1176 struct sta_info *sta;
1177
1178 sta = ap_get_sta(hapd, sta_addr);
1179 if (!sta)
1180 return -1;
1181
1182 if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) &&
1183 (sta->flags & WLAN_STA_MFP) && ap_sta_is_authorized(sta) &&
1184 !(hapd->conf->mesh & MESH_ENABLED) && !(sta->added_unassoc)) {
1185 /* We could not do this in handle_auth() since there was a
1186 * PMF-enabled association for the STA and the new
1187 * authentication attempt was not yet fully processed. Now that
1188 * we are ready to configure the TK to the driver,
1189 * authentication has succeeded and we can clean up the driver
1190 * STA entry to avoid issues with any maintained state from the
1191 * previous association. */
1192 wpa_printf(MSG_DEBUG,
1193 "FT: Remove and re-add driver STA entry after successful FT authentication");
1194 return ap_sta_re_add(hapd, sta);
1195 }
1196
1197 return 0;
1198 }
1199
1200
hostapd_wpa_auth_set_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1201 static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr,
1202 struct vlan_description *vlan)
1203 {
1204 struct hostapd_data *hapd = ctx;
1205 struct sta_info *sta;
1206
1207 sta = ap_get_sta(hapd, sta_addr);
1208 if (!sta || !sta->wpa_sm)
1209 return -1;
1210
1211 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
1212 if (vlan->notempty &&
1213 !hostapd_vlan_valid(hapd->conf->vlan, vlan)) {
1214 hostapd_logger(hapd, sta->addr,
1215 HOSTAPD_MODULE_IEEE80211,
1216 HOSTAPD_LEVEL_INFO,
1217 "Invalid VLAN %d%s received from FT",
1218 vlan->untagged, vlan->tagged[0] ?
1219 "+" : "");
1220 return -1;
1221 }
1222
1223 if (ap_sta_set_vlan(hapd, sta, vlan) < 0)
1224 return -1;
1225
1226 } else {
1227 if (vlan->notempty)
1228 sta->vlan_id = vlan->untagged;
1229 }
1230 /* Configure wpa_group for GTK but ignore error due to driver not
1231 * knowing this STA. */
1232 ap_sta_bind_vlan(hapd, sta);
1233
1234 if (sta->vlan_id)
1235 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1236 HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
1237
1238 return 0;
1239 }
1240
1241
hostapd_wpa_auth_get_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1242 static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr,
1243 struct vlan_description *vlan)
1244 {
1245 struct hostapd_data *hapd = ctx;
1246 struct sta_info *sta;
1247
1248 sta = ap_get_sta(hapd, sta_addr);
1249 if (!sta)
1250 return -1;
1251
1252 if (sta->vlan_desc) {
1253 *vlan = *sta->vlan_desc;
1254 } else if ((hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
1255 sta->vlan_id) {
1256 vlan->notempty = 1;
1257 vlan->untagged = sta->vlan_id;
1258 } else {
1259 os_memset(vlan, 0, sizeof(*vlan));
1260 }
1261
1262 return 0;
1263 }
1264
1265
1266 static int
hostapd_wpa_auth_set_identity(void * ctx,const u8 * sta_addr,const u8 * identity,size_t identity_len)1267 hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr,
1268 const u8 *identity, size_t identity_len)
1269 {
1270 struct hostapd_data *hapd = ctx;
1271 struct sta_info *sta;
1272
1273 sta = ap_get_sta(hapd, sta_addr);
1274 if (!sta)
1275 return -1;
1276
1277 os_free(sta->identity);
1278 sta->identity = NULL;
1279
1280 if (sta->eapol_sm) {
1281 os_free(sta->eapol_sm->identity);
1282 sta->eapol_sm->identity = NULL;
1283 sta->eapol_sm->identity_len = 0;
1284 }
1285
1286 if (!identity_len)
1287 return 0;
1288
1289 /* sta->identity is NULL terminated */
1290 sta->identity = os_zalloc(identity_len + 1);
1291 if (!sta->identity)
1292 return -1;
1293 os_memcpy(sta->identity, identity, identity_len);
1294
1295 if (sta->eapol_sm) {
1296 sta->eapol_sm->identity = os_zalloc(identity_len);
1297 if (!sta->eapol_sm->identity)
1298 return -1;
1299 os_memcpy(sta->eapol_sm->identity, identity, identity_len);
1300 sta->eapol_sm->identity_len = identity_len;
1301 }
1302
1303 return 0;
1304 }
1305
1306
1307 static size_t
hostapd_wpa_auth_get_identity(void * ctx,const u8 * sta_addr,const u8 ** buf)1308 hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf)
1309 {
1310 struct hostapd_data *hapd = ctx;
1311 struct sta_info *sta;
1312 size_t len;
1313 char *identity;
1314
1315 sta = ap_get_sta(hapd, sta_addr);
1316 if (!sta)
1317 return 0;
1318
1319 *buf = ieee802_1x_get_identity(sta->eapol_sm, &len);
1320 if (*buf && len)
1321 return len;
1322
1323 if (!sta->identity) {
1324 *buf = NULL;
1325 return 0;
1326 }
1327
1328 identity = sta->identity;
1329 len = os_strlen(identity);
1330 *buf = (u8 *) identity;
1331
1332 return len;
1333 }
1334
1335
1336 static int
hostapd_wpa_auth_set_radius_cui(void * ctx,const u8 * sta_addr,const u8 * radius_cui,size_t radius_cui_len)1337 hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr,
1338 const u8 *radius_cui, size_t radius_cui_len)
1339 {
1340 struct hostapd_data *hapd = ctx;
1341 struct sta_info *sta;
1342
1343 sta = ap_get_sta(hapd, sta_addr);
1344 if (!sta)
1345 return -1;
1346
1347 os_free(sta->radius_cui);
1348 sta->radius_cui = NULL;
1349
1350 if (sta->eapol_sm) {
1351 wpabuf_free(sta->eapol_sm->radius_cui);
1352 sta->eapol_sm->radius_cui = NULL;
1353 }
1354
1355 if (!radius_cui)
1356 return 0;
1357
1358 /* sta->radius_cui is NULL terminated */
1359 sta->radius_cui = os_zalloc(radius_cui_len + 1);
1360 if (!sta->radius_cui)
1361 return -1;
1362 os_memcpy(sta->radius_cui, radius_cui, radius_cui_len);
1363
1364 if (sta->eapol_sm) {
1365 sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui,
1366 radius_cui_len);
1367 if (!sta->eapol_sm->radius_cui)
1368 return -1;
1369 }
1370
1371 return 0;
1372 }
1373
1374
1375 static size_t
hostapd_wpa_auth_get_radius_cui(void * ctx,const u8 * sta_addr,const u8 ** buf)1376 hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf)
1377 {
1378 struct hostapd_data *hapd = ctx;
1379 struct sta_info *sta;
1380 struct wpabuf *b;
1381 size_t len;
1382 char *radius_cui;
1383
1384 sta = ap_get_sta(hapd, sta_addr);
1385 if (!sta)
1386 return 0;
1387
1388 b = ieee802_1x_get_radius_cui(sta->eapol_sm);
1389 if (b) {
1390 len = wpabuf_len(b);
1391 *buf = wpabuf_head(b);
1392 return len;
1393 }
1394
1395 if (!sta->radius_cui) {
1396 *buf = NULL;
1397 return 0;
1398 }
1399
1400 radius_cui = sta->radius_cui;
1401 len = os_strlen(radius_cui);
1402 *buf = (u8 *) radius_cui;
1403
1404 return len;
1405 }
1406
1407
hostapd_wpa_auth_set_session_timeout(void * ctx,const u8 * sta_addr,int session_timeout)1408 static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr,
1409 int session_timeout)
1410 {
1411 struct hostapd_data *hapd = ctx;
1412 struct sta_info *sta;
1413
1414 sta = ap_get_sta(hapd, sta_addr);
1415 if (!sta)
1416 return;
1417
1418 if (session_timeout) {
1419 os_get_reltime(&sta->session_timeout);
1420 sta->session_timeout.sec += session_timeout;
1421 sta->session_timeout_set = 1;
1422 ap_sta_session_timeout(hapd, sta, session_timeout);
1423 } else {
1424 sta->session_timeout_set = 0;
1425 ap_sta_no_session_timeout(hapd, sta);
1426 }
1427 }
1428
1429
hostapd_wpa_auth_get_session_timeout(void * ctx,const u8 * sta_addr)1430 static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr)
1431 {
1432 struct hostapd_data *hapd = ctx;
1433 struct sta_info *sta;
1434 struct os_reltime now, remaining;
1435
1436 sta = ap_get_sta(hapd, sta_addr);
1437 if (!sta || !sta->session_timeout_set)
1438 return 0;
1439
1440 os_get_reltime(&now);
1441 if (os_reltime_before(&sta->session_timeout, &now)) {
1442 /* already expired, return >0 as timeout was set */
1443 return 1;
1444 }
1445
1446 os_reltime_sub(&sta->session_timeout, &now, &remaining);
1447
1448 return (remaining.sec > 0) ? remaining.sec : 1;
1449 }
1450
1451
hostapd_rrb_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1452 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
1453 size_t len)
1454 {
1455 struct hostapd_data *hapd = ctx;
1456 struct l2_ethhdr *ethhdr;
1457 if (len < sizeof(*ethhdr))
1458 return;
1459 ethhdr = (struct l2_ethhdr *) buf;
1460 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1461 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
1462 if (!is_multicast_ether_addr(ethhdr->h_dest) &&
1463 !ether_addr_equal(hapd->own_addr, ethhdr->h_dest))
1464 return;
1465 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
1466 len - sizeof(*ethhdr));
1467 }
1468
1469
hostapd_rrb_oui_receive(void * ctx,const u8 * src_addr,const u8 * dst_addr,u8 oui_suffix,const u8 * buf,size_t len)1470 static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr,
1471 const u8 *dst_addr, u8 oui_suffix,
1472 const u8 *buf, size_t len)
1473 {
1474 struct hostapd_data *hapd = ctx;
1475
1476 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1477 MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr));
1478 if (!is_multicast_ether_addr(dst_addr) &&
1479 !ether_addr_equal(hapd->own_addr, dst_addr))
1480 return;
1481 wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf,
1482 len);
1483 }
1484
1485
hostapd_wpa_auth_add_tspec(void * ctx,const u8 * sta_addr,u8 * tspec_ie,size_t tspec_ielen)1486 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
1487 u8 *tspec_ie, size_t tspec_ielen)
1488 {
1489 struct hostapd_data *hapd = ctx;
1490 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
1491 }
1492
1493
1494
hostapd_wpa_register_ft_oui(struct hostapd_data * hapd,const char * ft_iface)1495 static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd,
1496 const char *ft_iface)
1497 {
1498 hapd->oui_pull = eth_p_oui_register(hapd, ft_iface,
1499 FT_PACKET_R0KH_R1KH_PULL,
1500 hostapd_rrb_oui_receive, hapd);
1501 if (!hapd->oui_pull)
1502 return -1;
1503
1504 hapd->oui_resp = eth_p_oui_register(hapd, ft_iface,
1505 FT_PACKET_R0KH_R1KH_RESP,
1506 hostapd_rrb_oui_receive, hapd);
1507 if (!hapd->oui_resp)
1508 return -1;
1509
1510 hapd->oui_push = eth_p_oui_register(hapd, ft_iface,
1511 FT_PACKET_R0KH_R1KH_PUSH,
1512 hostapd_rrb_oui_receive, hapd);
1513 if (!hapd->oui_push)
1514 return -1;
1515
1516 hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface,
1517 FT_PACKET_R0KH_R1KH_SEQ_REQ,
1518 hostapd_rrb_oui_receive, hapd);
1519 if (!hapd->oui_sreq)
1520 return -1;
1521
1522 hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface,
1523 FT_PACKET_R0KH_R1KH_SEQ_RESP,
1524 hostapd_rrb_oui_receive, hapd);
1525 if (!hapd->oui_sresp)
1526 return -1;
1527
1528 return 0;
1529 }
1530
1531
hostapd_wpa_unregister_ft_oui(struct hostapd_data * hapd)1532 static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd)
1533 {
1534 eth_p_oui_unregister(hapd->oui_pull);
1535 hapd->oui_pull = NULL;
1536 eth_p_oui_unregister(hapd->oui_resp);
1537 hapd->oui_resp = NULL;
1538 eth_p_oui_unregister(hapd->oui_push);
1539 hapd->oui_push = NULL;
1540 eth_p_oui_unregister(hapd->oui_sreq);
1541 hapd->oui_sreq = NULL;
1542 eth_p_oui_unregister(hapd->oui_sresp);
1543 hapd->oui_sresp = NULL;
1544 }
1545 #endif /* CONFIG_IEEE80211R_AP */
1546
1547
1548 #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)1549 static void hostapd_request_radius_psk(void *ctx, const u8 *addr, int key_mgmt,
1550 const u8 *anonce,
1551 const u8 *eapol, size_t eapol_len)
1552 {
1553 struct hostapd_data *hapd = ctx;
1554
1555 wpa_printf(MSG_DEBUG, "RADIUS PSK request for " MACSTR " key_mgmt=0x%x",
1556 MAC2STR(addr), key_mgmt);
1557 wpa_hexdump(MSG_DEBUG, "ANonce", anonce, WPA_NONCE_LEN);
1558 wpa_hexdump(MSG_DEBUG, "EAPOL", eapol, eapol_len);
1559 hostapd_acl_req_radius_psk(hapd, addr, key_mgmt, anonce, eapol,
1560 eapol_len);
1561 }
1562 #endif /* CONFIG_NO_RADIUS */
1563
1564
1565 #ifdef CONFIG_PASN
hostapd_set_ltf_keyseed(void * ctx,const u8 * peer_addr,const u8 * ltf_keyseed,size_t ltf_keyseed_len)1566 static int hostapd_set_ltf_keyseed(void *ctx, const u8 *peer_addr,
1567 const u8 *ltf_keyseed,
1568 size_t ltf_keyseed_len)
1569 {
1570 struct hostapd_data *hapd = ctx;
1571
1572 return hostapd_drv_set_secure_ranging_ctx(hapd, hapd->own_addr,
1573 peer_addr, 0, 0, NULL,
1574 ltf_keyseed_len,
1575 ltf_keyseed, 0);
1576 }
1577 #endif /* CONFIG_PASN */
1578
1579
1580 #ifdef CONFIG_IEEE80211BE
1581
hostapd_wpa_auth_get_ml_key_info(void * ctx,struct wpa_auth_ml_key_info * info,bool rekey)1582 static int hostapd_wpa_auth_get_ml_key_info(void *ctx,
1583 struct wpa_auth_ml_key_info *info,
1584 bool rekey)
1585 {
1586 struct hostapd_data *hapd = ctx;
1587 unsigned int i;
1588
1589 wpa_printf(MSG_DEBUG, "WPA_AUTH: MLD: Get key info CB: n_mld_links=%u",
1590 info->n_mld_links);
1591
1592 if (!hapd->conf->mld_ap || !hapd->iface || !hapd->iface->interfaces)
1593 return -1;
1594
1595 for (i = 0; i < info->n_mld_links; i++) {
1596 struct hostapd_data *bss;
1597 u8 link_id = info->links[i].link_id;
1598 bool link_bss_found = false;
1599
1600 wpa_printf(MSG_DEBUG,
1601 "WPA_AUTH: MLD: Get link info CB: link_id=%u",
1602 link_id);
1603
1604 if (hapd->mld_link_id == link_id) {
1605 wpa_auth_ml_get_key_info(hapd->wpa_auth,
1606 &info->links[i],
1607 info->mgmt_frame_prot,
1608 info->beacon_prot,
1609 rekey);
1610 continue;
1611 }
1612
1613 for_each_mld_link(bss, hapd) {
1614 if (bss == hapd || bss->mld_link_id != link_id)
1615 continue;
1616
1617 wpa_auth_ml_get_key_info(bss->wpa_auth,
1618 &info->links[i],
1619 info->mgmt_frame_prot,
1620 info->beacon_prot,
1621 rekey);
1622 link_bss_found = true;
1623 break;
1624 }
1625
1626 if (!link_bss_found)
1627 wpa_printf(MSG_DEBUG,
1628 "WPA_AUTH: MLD: link=%u not found", link_id);
1629 }
1630
1631 return 0;
1632 }
1633
1634
hostapd_next_primary_auth(void * cb_ctx)1635 static struct wpa_authenticator * hostapd_next_primary_auth(void *cb_ctx)
1636 {
1637 struct hostapd_data *hapd = cb_ctx, *bss;
1638
1639 for_each_mld_link(bss, hapd) {
1640 if (bss == hapd)
1641 continue;
1642 if (bss->wpa_auth)
1643 return bss->wpa_auth;
1644 }
1645
1646 return NULL;
1647 }
1648
1649 #endif /* CONFIG_IEEE80211BE */
1650
1651
hostapd_wpa_auth_get_drv_flags(void * ctx,u64 * drv_flags,u64 * drv_flags2)1652 static int hostapd_wpa_auth_get_drv_flags(void *ctx,
1653 u64 *drv_flags, u64 *drv_flags2)
1654 {
1655 struct hostapd_data *hapd = ctx;
1656
1657 if (drv_flags)
1658 *drv_flags = hapd->iface->drv_flags;
1659 if (drv_flags2)
1660 *drv_flags2 = hapd->iface->drv_flags2;
1661
1662 return 0;
1663 }
1664
1665
hostapd_setup_wpa(struct hostapd_data * hapd)1666 int hostapd_setup_wpa(struct hostapd_data *hapd)
1667 {
1668 struct wpa_auth_config _conf;
1669 static const struct wpa_auth_callbacks cb = {
1670 .logger = hostapd_wpa_auth_logger,
1671 .disconnect = hostapd_wpa_auth_disconnect,
1672 .mic_failure_report = hostapd_wpa_auth_mic_failure_report,
1673 .psk_failure_report = hostapd_wpa_auth_psk_failure_report,
1674 .set_eapol = hostapd_wpa_auth_set_eapol,
1675 .get_eapol = hostapd_wpa_auth_get_eapol,
1676 .get_psk = hostapd_wpa_auth_get_psk,
1677 .get_msk = hostapd_wpa_auth_get_msk,
1678 .set_key = hostapd_wpa_auth_set_key,
1679 .get_seqnum = hostapd_wpa_auth_get_seqnum,
1680 .send_eapol = hostapd_wpa_auth_send_eapol,
1681 .get_sta_count = hostapd_wpa_auth_get_sta_count,
1682 .for_each_sta = hostapd_wpa_auth_for_each_sta,
1683 .for_each_auth = hostapd_wpa_auth_for_each_auth,
1684 .send_ether = hostapd_wpa_auth_send_ether,
1685 .send_oui = hostapd_wpa_auth_send_oui,
1686 .channel_info = hostapd_channel_info,
1687 .update_vlan = hostapd_wpa_auth_update_vlan,
1688 #ifdef CONFIG_PASN
1689 .store_ptksa = hostapd_store_ptksa,
1690 .clear_ptksa = hostapd_clear_ptksa,
1691 #endif /* CONFIG_PASN */
1692
1693 #ifdef CONFIG_OCV
1694 .get_sta_tx_params = hostapd_get_sta_tx_params,
1695 #endif /* CONFIG_OCV */
1696 #ifdef CONFIG_IEEE80211R_AP
1697 .send_ft_action = hostapd_wpa_auth_send_ft_action,
1698 .add_sta = hostapd_wpa_auth_add_sta,
1699 .add_sta_ft = hostapd_wpa_auth_add_sta_ft,
1700 .add_tspec = hostapd_wpa_auth_add_tspec,
1701 .set_vlan = hostapd_wpa_auth_set_vlan,
1702 .get_vlan = hostapd_wpa_auth_get_vlan,
1703 .set_identity = hostapd_wpa_auth_set_identity,
1704 .get_identity = hostapd_wpa_auth_get_identity,
1705 .set_radius_cui = hostapd_wpa_auth_set_radius_cui,
1706 .get_radius_cui = hostapd_wpa_auth_get_radius_cui,
1707 .set_session_timeout = hostapd_wpa_auth_set_session_timeout,
1708 .get_session_timeout = hostapd_wpa_auth_get_session_timeout,
1709 #endif /* CONFIG_IEEE80211R_AP */
1710 #ifndef CONFIG_NO_RADIUS
1711 .request_radius_psk = hostapd_request_radius_psk,
1712 #endif /* CONFIG_NO_RADIUS */
1713 #ifdef CONFIG_PASN
1714 .set_ltf_keyseed = hostapd_set_ltf_keyseed,
1715 #endif /* CONFIG_PASN */
1716 #ifdef CONFIG_IEEE80211BE
1717 .get_ml_key_info = hostapd_wpa_auth_get_ml_key_info,
1718 .next_primary_auth = hostapd_next_primary_auth,
1719 #endif /* CONFIG_IEEE80211BE */
1720 .get_drv_flags = hostapd_wpa_auth_get_drv_flags,
1721 };
1722 const u8 *wpa_ie;
1723 size_t wpa_ie_len;
1724 struct hostapd_data *tx_bss;
1725
1726 hostapd_wpa_auth_conf(hapd->iface, hapd->conf, hapd->iconf, &_conf);
1727 _conf.msg_ctx = hapd->msg_ctx;
1728 tx_bss = hostapd_mbssid_get_tx_bss(hapd);
1729 if (tx_bss != hapd)
1730 _conf.tx_bss_auth = tx_bss->wpa_auth;
1731 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
1732 _conf.tx_status = 1;
1733 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
1734 _conf.ap_mlme = 1;
1735
1736 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) &&
1737 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_NEVER ||
1738 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_LOCAL_OK &&
1739 !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS)))) {
1740 wpa_msg(hapd->msg_ctx, MSG_INFO,
1741 "Disable PTK0 rekey support - replaced with disconnect");
1742 _conf.wpa_deny_ptk0_rekey = 1;
1743 }
1744
1745 if (_conf.extended_key_id &&
1746 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EXTENDED_KEY_ID))
1747 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Extended Key ID supported");
1748 else
1749 _conf.extended_key_id = 0;
1750
1751 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION))
1752 _conf.beacon_prot = 0;
1753
1754 #ifdef CONFIG_OCV
1755 if (!(hapd->iface->drv_flags2 &
1756 (WPA_DRIVER_FLAGS2_AP_SME | WPA_DRIVER_FLAGS2_OCV)))
1757 _conf.ocv = 0;
1758 #endif /* CONFIG_OCV */
1759
1760 _conf.secure_ltf =
1761 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_LTF_AP);
1762 _conf.secure_rtt =
1763 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_RTT_AP);
1764 _conf.prot_range_neg =
1765 !!(hapd->iface->drv_flags2 &
1766 WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP);
1767
1768 #ifdef CONFIG_IEEE80211BE
1769 _conf.mld_addr = NULL;
1770 _conf.link_id = -1;
1771 _conf.first_link_auth = NULL;
1772
1773 if (hapd->conf->mld_ap) {
1774 struct hostapd_data *lhapd;
1775
1776 _conf.mld_addr = hapd->mld->mld_addr;
1777 _conf.link_id = hapd->mld_link_id;
1778
1779 for_each_mld_link(lhapd, hapd) {
1780 if (lhapd == hapd)
1781 continue;
1782
1783 if (lhapd->wpa_auth)
1784 _conf.first_link_auth = lhapd->wpa_auth;
1785 }
1786 }
1787 #endif /* CONFIG_IEEE80211BE */
1788
1789 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd);
1790 if (hapd->wpa_auth == NULL) {
1791 wpa_printf(MSG_ERROR, "WPA initialization failed.");
1792 return -1;
1793 }
1794
1795 if (hostapd_set_privacy(hapd, 1)) {
1796 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1797 "for interface %s", hapd->conf->iface);
1798 return -1;
1799 }
1800
1801 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1802 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1803 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1804 "the kernel driver.");
1805 return -1;
1806 }
1807
1808 if (rsn_preauth_iface_init(hapd)) {
1809 wpa_printf(MSG_ERROR, "Initialization of RSN "
1810 "pre-authentication failed.");
1811 return -1;
1812 }
1813
1814 if (!hapd->ptksa)
1815 hapd->ptksa = ptksa_cache_init();
1816 if (!hapd->ptksa) {
1817 wpa_printf(MSG_ERROR, "Failed to allocate PTKSA cache");
1818 return -1;
1819 }
1820
1821 #ifdef CONFIG_IEEE80211R_AP
1822 if (!hostapd_drv_none(hapd) &&
1823 wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
1824 const char *ft_iface;
1825
1826 ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge :
1827 hapd->conf->iface;
1828 hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB,
1829 hostapd_rrb_receive, hapd, 1);
1830 if (!hapd->l2) {
1831 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
1832 "interface");
1833 return -1;
1834 }
1835
1836 if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) {
1837 wpa_printf(MSG_ERROR,
1838 "Failed to open ETH_P_OUI interface");
1839 return -1;
1840 }
1841 }
1842 #endif /* CONFIG_IEEE80211R_AP */
1843
1844 return 0;
1845
1846 }
1847
1848
hostapd_reconfig_wpa(struct hostapd_data * hapd)1849 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
1850 {
1851 struct wpa_auth_config wpa_auth_conf;
1852
1853 hostapd_wpa_auth_conf(hapd->iface, hapd->conf, hapd->iconf,
1854 &wpa_auth_conf);
1855 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
1856 }
1857
1858
hostapd_deinit_wpa(struct hostapd_data * hapd)1859 void hostapd_deinit_wpa(struct hostapd_data *hapd)
1860 {
1861 ieee80211_tkip_countermeasures_deinit(hapd);
1862 ptksa_cache_deinit(hapd->ptksa);
1863 hapd->ptksa = NULL;
1864
1865 rsn_preauth_iface_deinit(hapd);
1866 if (hapd->wpa_auth) {
1867 wpa_deinit(hapd->wpa_auth);
1868 hapd->wpa_auth = NULL;
1869
1870 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
1871 wpa_printf(MSG_DEBUG, "Could not disable "
1872 "PrivacyInvoked for interface %s",
1873 hapd->conf->iface);
1874 }
1875
1876 if (hapd->drv_priv &&
1877 hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
1878 wpa_printf(MSG_DEBUG, "Could not remove generic "
1879 "information element from interface %s",
1880 hapd->conf->iface);
1881 }
1882 }
1883 ieee802_1x_deinit(hapd);
1884
1885 #ifdef CONFIG_IEEE80211R_AP
1886 eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX);
1887 hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */
1888 eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX);
1889 hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */
1890 l2_packet_deinit(hapd->l2);
1891 hapd->l2 = NULL;
1892 hostapd_wpa_unregister_ft_oui(hapd);
1893 #endif /* CONFIG_IEEE80211R_AP */
1894
1895 #ifdef CONFIG_TESTING_OPTIONS
1896 forced_memzero(hapd->last_gtk, WPA_GTK_MAX_LEN);
1897 forced_memzero(hapd->last_igtk, WPA_IGTK_MAX_LEN);
1898 forced_memzero(hapd->last_bigtk, WPA_BIGTK_MAX_LEN);
1899 #endif /* CONFIG_TESTING_OPTIONS */
1900 }
1901