1 /*
2 * hostapd / WPA authenticator glue code
3 * Copyright (c) 2002-2022, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "utils/eloop.h"
13 #include "utils/list.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/sae.h"
16 #include "common/wpa_ctrl.h"
17 #include "common/ptksa_cache.h"
18 #include "crypto/sha1.h"
19 #include "eapol_auth/eapol_auth_sm.h"
20 #include "eapol_auth/eapol_auth_sm_i.h"
21 #include "eap_server/eap.h"
22 #include "l2_packet/l2_packet.h"
23 #include "eth_p_oui.h"
24 #include "hostapd.h"
25 #include "ieee802_1x.h"
26 #include "preauth_auth.h"
27 #include "sta_info.h"
28 #include "tkip_countermeasures.h"
29 #include "ap_drv_ops.h"
30 #include "ap_config.h"
31 #include "ieee802_11.h"
32 #include "ieee802_11_auth.h"
33 #include "pmksa_cache_auth.h"
34 #include "wpa_auth.h"
35 #include "wpa_auth_glue.h"
36
37
hostapd_wpa_auth_conf(struct hostapd_bss_config * conf,struct hostapd_config * iconf,struct wpa_auth_config * wconf)38 static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
39 struct hostapd_config *iconf,
40 struct wpa_auth_config *wconf)
41 {
42 int sae_pw_id;
43
44 os_memset(wconf, 0, sizeof(*wconf));
45 wconf->wpa = conf->wpa;
46 wconf->extended_key_id = conf->extended_key_id;
47 wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
48 wconf->wpa_pairwise = conf->wpa_pairwise;
49 wconf->wpa_group = conf->wpa_group;
50 wconf->wpa_group_rekey = conf->wpa_group_rekey;
51 wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
52 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
53 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
54 wconf->wpa_group_update_count = conf->wpa_group_update_count;
55 wconf->wpa_disable_eapol_key_retries =
56 conf->wpa_disable_eapol_key_retries;
57 wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count;
58 wconf->rsn_pairwise = conf->rsn_pairwise;
59 wconf->rsn_preauth = conf->rsn_preauth;
60 wconf->eapol_version = conf->eapol_version;
61 #ifdef CONFIG_MACSEC
62 if (wconf->eapol_version > 2)
63 wconf->eapol_version = 2;
64 #endif /* CONFIG_MACSEC */
65 wconf->wmm_enabled = conf->wmm_enabled;
66 wconf->wmm_uapsd = conf->wmm_uapsd;
67 wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
68 #ifdef CONFIG_OCV
69 wconf->ocv = conf->ocv;
70 #endif /* CONFIG_OCV */
71 wconf->okc = conf->okc;
72 wconf->ieee80211w = conf->ieee80211w;
73 wconf->beacon_prot = conf->beacon_prot;
74 wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
75 wconf->sae_require_mfp = conf->sae_require_mfp;
76 wconf->ssid_protection = conf->ssid_protection;
77 wconf->ssid_len = conf->ssid.ssid_len;
78 if (wconf->ssid_len > SSID_MAX_LEN)
79 wconf->ssid_len = SSID_MAX_LEN;
80 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
81 #ifdef CONFIG_IEEE80211R_AP
82 os_memcpy(wconf->mobility_domain, conf->mobility_domain,
83 MOBILITY_DOMAIN_ID_LEN);
84 if (conf->nas_identifier &&
85 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
86 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
87 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
88 wconf->r0_key_holder_len);
89 }
90 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
91 wconf->r0_key_lifetime = conf->r0_key_lifetime;
92 wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime;
93 wconf->reassociation_deadline = conf->reassociation_deadline;
94 wconf->rkh_pos_timeout = conf->rkh_pos_timeout;
95 wconf->rkh_neg_timeout = conf->rkh_neg_timeout;
96 wconf->rkh_pull_timeout = conf->rkh_pull_timeout;
97 wconf->rkh_pull_retries = conf->rkh_pull_retries;
98 wconf->r0kh_list = &conf->r0kh_list;
99 wconf->r1kh_list = &conf->r1kh_list;
100 wconf->pmk_r1_push = conf->pmk_r1_push;
101 wconf->ft_over_ds = conf->ft_over_ds;
102 wconf->ft_psk_generate_local = conf->ft_psk_generate_local;
103 #endif /* CONFIG_IEEE80211R_AP */
104 #ifdef CONFIG_HS20
105 wconf->disable_gtk = conf->disable_dgaf;
106 if (conf->osen) {
107 wconf->disable_gtk = 1;
108 wconf->wpa = WPA_PROTO_OSEN;
109 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
110 wconf->wpa_pairwise = 0;
111 wconf->wpa_group = WPA_CIPHER_CCMP;
112 wconf->rsn_pairwise = WPA_CIPHER_CCMP;
113 wconf->rsn_preauth = 0;
114 wconf->disable_pmksa_caching = 1;
115 wconf->ieee80211w = 1;
116 }
117 #endif /* CONFIG_HS20 */
118 #ifdef CONFIG_TESTING_OPTIONS
119 wconf->corrupt_gtk_rekey_mic_probability =
120 iconf->corrupt_gtk_rekey_mic_probability;
121 wconf->delay_eapol_tx = iconf->delay_eapol_tx;
122 if (conf->own_ie_override &&
123 wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
124 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
125 os_memcpy(wconf->own_ie_override,
126 wpabuf_head(conf->own_ie_override),
127 wconf->own_ie_override_len);
128 }
129 if (conf->rsne_override_eapol &&
130 wpabuf_len(conf->rsne_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
131 wconf->rsne_override_eapol_set = 1;
132 wconf->rsne_override_eapol_len =
133 wpabuf_len(conf->rsne_override_eapol);
134 os_memcpy(wconf->rsne_override_eapol,
135 wpabuf_head(conf->rsne_override_eapol),
136 wconf->rsne_override_eapol_len);
137 }
138 if (conf->rsnxe_override_eapol &&
139 wpabuf_len(conf->rsnxe_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
140 wconf->rsnxe_override_eapol_set = 1;
141 wconf->rsnxe_override_eapol_len =
142 wpabuf_len(conf->rsnxe_override_eapol);
143 os_memcpy(wconf->rsnxe_override_eapol,
144 wpabuf_head(conf->rsnxe_override_eapol),
145 wconf->rsnxe_override_eapol_len);
146 }
147 if (conf->rsne_override_ft &&
148 wpabuf_len(conf->rsne_override_ft) <= MAX_OWN_IE_OVERRIDE) {
149 wconf->rsne_override_ft_set = 1;
150 wconf->rsne_override_ft_len =
151 wpabuf_len(conf->rsne_override_ft);
152 os_memcpy(wconf->rsne_override_ft,
153 wpabuf_head(conf->rsne_override_ft),
154 wconf->rsne_override_ft_len);
155 }
156 if (conf->rsnxe_override_ft &&
157 wpabuf_len(conf->rsnxe_override_ft) <= MAX_OWN_IE_OVERRIDE) {
158 wconf->rsnxe_override_ft_set = 1;
159 wconf->rsnxe_override_ft_len =
160 wpabuf_len(conf->rsnxe_override_ft);
161 os_memcpy(wconf->rsnxe_override_ft,
162 wpabuf_head(conf->rsnxe_override_ft),
163 wconf->rsnxe_override_ft_len);
164 }
165 if (conf->gtk_rsc_override &&
166 wpabuf_len(conf->gtk_rsc_override) > 0 &&
167 wpabuf_len(conf->gtk_rsc_override) <= WPA_KEY_RSC_LEN) {
168 os_memcpy(wconf->gtk_rsc_override,
169 wpabuf_head(conf->gtk_rsc_override),
170 wpabuf_len(conf->gtk_rsc_override));
171 wconf->gtk_rsc_override_set = 1;
172 }
173 if (conf->igtk_rsc_override &&
174 wpabuf_len(conf->igtk_rsc_override) > 0 &&
175 wpabuf_len(conf->igtk_rsc_override) <= WPA_KEY_RSC_LEN) {
176 os_memcpy(wconf->igtk_rsc_override,
177 wpabuf_head(conf->igtk_rsc_override),
178 wpabuf_len(conf->igtk_rsc_override));
179 wconf->igtk_rsc_override_set = 1;
180 }
181 wconf->ft_rsnxe_used = conf->ft_rsnxe_used;
182 wconf->oci_freq_override_eapol_m3 = conf->oci_freq_override_eapol_m3;
183 wconf->oci_freq_override_eapol_g1 = conf->oci_freq_override_eapol_g1;
184 wconf->oci_freq_override_ft_assoc = conf->oci_freq_override_ft_assoc;
185 wconf->oci_freq_override_fils_assoc =
186 conf->oci_freq_override_fils_assoc;
187
188 if (conf->eapol_m1_elements)
189 wconf->eapol_m1_elements = wpabuf_dup(conf->eapol_m1_elements);
190 if (conf->eapol_m3_elements)
191 wconf->eapol_m3_elements = wpabuf_dup(conf->eapol_m3_elements);
192 wconf->eapol_m3_no_encrypt = conf->eapol_m3_no_encrypt;
193 #endif /* CONFIG_TESTING_OPTIONS */
194 #ifdef CONFIG_P2P
195 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
196 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
197 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
198 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
199 #endif /* CONFIG_P2P */
200 #ifdef CONFIG_FILS
201 wconf->fils_cache_id_set = conf->fils_cache_id_set;
202 os_memcpy(wconf->fils_cache_id, conf->fils_cache_id,
203 FILS_CACHE_ID_LEN);
204 #endif /* CONFIG_FILS */
205 wconf->sae_pwe = conf->sae_pwe;
206 sae_pw_id = hostapd_sae_pw_id_in_use(conf);
207 if (sae_pw_id == 2 && wconf->sae_pwe != SAE_PWE_FORCE_HUNT_AND_PECK)
208 wconf->sae_pwe = SAE_PWE_HASH_TO_ELEMENT;
209 else if (sae_pw_id == 1 && wconf->sae_pwe == SAE_PWE_HUNT_AND_PECK)
210 wconf->sae_pwe = SAE_PWE_BOTH;
211 #ifdef CONFIG_SAE_PK
212 wconf->sae_pk = hostapd_sae_pk_in_use(conf);
213 #endif /* CONFIG_SAE_PK */
214 #ifdef CONFIG_OWE
215 wconf->owe_ptk_workaround = conf->owe_ptk_workaround;
216 #endif /* CONFIG_OWE */
217 wconf->transition_disable = conf->transition_disable;
218 #ifdef CONFIG_DPP2
219 wconf->dpp_pfs = conf->dpp_pfs;
220 #endif /* CONFIG_DPP2 */
221 #ifdef CONFIG_PASN
222 #ifdef CONFIG_TESTING_OPTIONS
223 wconf->force_kdk_derivation = conf->force_kdk_derivation;
224 #endif /* CONFIG_TESTING_OPTIONS */
225 #endif /* CONFIG_PASN */
226
227 wconf->radius_psk = conf->wpa_psk_radius == PSK_RADIUS_DURING_4WAY_HS;
228 wconf->no_disconnect_on_group_keyerror =
229 conf->bss_max_idle && conf->ap_max_inactivity &&
230 conf->no_disconnect_on_group_keyerror;
231 }
232
233
hostapd_wpa_auth_logger(void * ctx,const u8 * addr,logger_level level,const char * txt)234 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
235 logger_level level, const char *txt)
236 {
237 #ifndef CONFIG_NO_HOSTAPD_LOGGER
238 struct hostapd_data *hapd = ctx;
239 int hlevel;
240
241 switch (level) {
242 case LOGGER_WARNING:
243 hlevel = HOSTAPD_LEVEL_WARNING;
244 break;
245 case LOGGER_INFO:
246 hlevel = HOSTAPD_LEVEL_INFO;
247 break;
248 case LOGGER_DEBUG:
249 default:
250 hlevel = HOSTAPD_LEVEL_DEBUG;
251 break;
252 }
253
254 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
255 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
256 }
257
258
hostapd_wpa_auth_disconnect(void * ctx,const u8 * addr,u16 reason)259 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
260 u16 reason)
261 {
262 struct hostapd_data *hapd = ctx;
263 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
264 "STA " MACSTR " reason %d",
265 __func__, MAC2STR(addr), reason);
266 ap_sta_disconnect(hapd, NULL, addr, reason);
267 }
268
269
hostapd_wpa_auth_mic_failure_report(void * ctx,const u8 * addr)270 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
271 {
272 struct hostapd_data *hapd = ctx;
273 return michael_mic_failure(hapd, addr, 0);
274 }
275
276
hostapd_wpa_auth_psk_failure_report(void * ctx,const u8 * addr)277 static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
278 {
279 struct hostapd_data *hapd = ctx;
280 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
281 MAC2STR(addr));
282 }
283
284
hostapd_wpa_auth_set_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var,int value)285 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
286 wpa_eapol_variable var, int value)
287 {
288 struct hostapd_data *hapd = ctx;
289 struct sta_info *sta = ap_get_sta(hapd, addr);
290 if (sta == NULL)
291 return;
292 switch (var) {
293 case WPA_EAPOL_portEnabled:
294 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
295 break;
296 case WPA_EAPOL_portValid:
297 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
298 break;
299 case WPA_EAPOL_authorized:
300 ieee802_1x_set_sta_authorized(hapd, sta, value);
301 break;
302 case WPA_EAPOL_portControl_Auto:
303 if (sta->eapol_sm)
304 sta->eapol_sm->portControl = Auto;
305 break;
306 case WPA_EAPOL_keyRun:
307 if (sta->eapol_sm)
308 sta->eapol_sm->keyRun = value;
309 break;
310 case WPA_EAPOL_keyAvailable:
311 if (sta->eapol_sm)
312 sta->eapol_sm->eap_if->eapKeyAvailable = value;
313 break;
314 case WPA_EAPOL_keyDone:
315 if (sta->eapol_sm)
316 sta->eapol_sm->keyDone = value;
317 break;
318 case WPA_EAPOL_inc_EapolFramesTx:
319 if (sta->eapol_sm)
320 sta->eapol_sm->dot1xAuthEapolFramesTx++;
321 break;
322 }
323 }
324
325
hostapd_wpa_auth_get_eapol(void * ctx,const u8 * addr,wpa_eapol_variable var)326 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
327 wpa_eapol_variable var)
328 {
329 struct hostapd_data *hapd = ctx;
330 struct sta_info *sta = ap_get_sta(hapd, addr);
331 if (sta == NULL || sta->eapol_sm == NULL)
332 return -1;
333 switch (var) {
334 case WPA_EAPOL_keyRun:
335 return sta->eapol_sm->keyRun;
336 case WPA_EAPOL_keyAvailable:
337 return sta->eapol_sm->eap_if->eapKeyAvailable;
338 default:
339 return -1;
340 }
341 }
342
343
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)344 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
345 const u8 *p2p_dev_addr,
346 const u8 *prev_psk, size_t *psk_len,
347 int *vlan_id)
348 {
349 struct hostapd_data *hapd = ctx;
350 struct sta_info *sta = ap_get_sta(hapd, addr);
351 const u8 *psk;
352
353 if (vlan_id)
354 *vlan_id = 0;
355 if (psk_len)
356 *psk_len = PMK_LEN;
357
358 #ifdef CONFIG_SAE
359 if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
360 if (!sta->sae || prev_psk)
361 return NULL;
362 if (psk_len)
363 *psk_len = sta->sae->pmk_len;
364 return sta->sae->pmk;
365 }
366 if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
367 wpa_printf(MSG_DEBUG,
368 "No PSK for STA trying to use SAE with PMKSA caching");
369 return NULL;
370 }
371 #endif /* CONFIG_SAE */
372
373 #ifdef CONFIG_OWE
374 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
375 sta && sta->owe_pmk) {
376 if (psk_len)
377 *psk_len = sta->owe_pmk_len;
378 return sta->owe_pmk;
379 }
380 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
381 struct rsn_pmksa_cache_entry *sa;
382
383 sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
384 if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
385 if (psk_len)
386 *psk_len = sa->pmk_len;
387 return sa->pmk;
388 }
389 }
390 #endif /* CONFIG_OWE */
391
392 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
393 vlan_id);
394 /*
395 * This is about to iterate over all psks, prev_psk gives the last
396 * returned psk which should not be returned again.
397 * logic list (all hostapd_get_psk; all sta->psk)
398 */
399 if (sta && sta->psk && !psk) {
400 struct hostapd_sta_wpa_psk_short *pos;
401
402 if (vlan_id)
403 *vlan_id = 0;
404 psk = sta->psk->psk;
405 for (pos = sta->psk; pos; pos = pos->next) {
406 if (pos->is_passphrase) {
407 if (pbkdf2_sha1(pos->passphrase,
408 hapd->conf->ssid.ssid,
409 hapd->conf->ssid.ssid_len, 4096,
410 pos->psk, PMK_LEN) != 0) {
411 wpa_printf(MSG_WARNING,
412 "Error in pbkdf2_sha1()");
413 continue;
414 }
415 pos->is_passphrase = 0;
416 }
417 if (pos->psk == prev_psk) {
418 psk = pos->next ? pos->next->psk : NULL;
419 break;
420 }
421 }
422 }
423 return psk;
424 }
425
426
hostapd_wpa_auth_get_msk(void * ctx,const u8 * addr,u8 * msk,size_t * len)427 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
428 size_t *len)
429 {
430 struct hostapd_data *hapd = ctx;
431 const u8 *key;
432 size_t keylen;
433 struct sta_info *sta;
434
435 sta = ap_get_sta(hapd, addr);
436 if (sta == NULL) {
437 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
438 return -1;
439 }
440
441 key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
442 if (key == NULL) {
443 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
444 sta->eapol_sm);
445 return -1;
446 }
447
448 if (keylen > *len)
449 keylen = *len;
450 os_memcpy(msk, key, keylen);
451 *len = keylen;
452
453 return 0;
454 }
455
456
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)457 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
458 const u8 *addr, int idx, u8 *key,
459 size_t key_len, enum key_flag key_flag)
460 {
461 struct hostapd_data *hapd = ctx;
462 const char *ifname = hapd->conf->iface;
463
464 if (vlan_id > 0) {
465 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
466 if (!ifname) {
467 if (!(hapd->iface->drv_flags &
468 WPA_DRIVER_FLAGS_VLAN_OFFLOAD))
469 return -1;
470 ifname = hapd->conf->iface;
471 }
472 }
473
474 #ifdef CONFIG_TESTING_OPTIONS
475 if (key_flag & KEY_FLAG_MODIFY) {
476 /* We are updating an already installed key. Don't overwrite
477 * the already stored key information with zeros.
478 */
479 } else if (addr && !is_broadcast_ether_addr(addr)) {
480 struct sta_info *sta;
481
482 sta = ap_get_sta(hapd, addr);
483 if (sta) {
484 sta->last_tk_alg = alg;
485 sta->last_tk_key_idx = idx;
486 if (key)
487 os_memcpy(sta->last_tk, key, key_len);
488 sta->last_tk_len = key_len;
489 }
490 } else if (alg == WPA_ALG_BIP_CMAC_128 ||
491 alg == WPA_ALG_BIP_GMAC_128 ||
492 alg == WPA_ALG_BIP_GMAC_256 ||
493 alg == WPA_ALG_BIP_CMAC_256) {
494 if (idx == 4 || idx == 5) {
495 hapd->last_igtk_alg = alg;
496 hapd->last_igtk_key_idx = idx;
497 if (key)
498 os_memcpy(hapd->last_igtk, key, key_len);
499 hapd->last_igtk_len = key_len;
500 } else if (idx == 6 || idx == 7) {
501 hapd->last_bigtk_alg = alg;
502 hapd->last_bigtk_key_idx = idx;
503 if (key)
504 os_memcpy(hapd->last_bigtk, key, key_len);
505 hapd->last_bigtk_len = key_len;
506 }
507 } else {
508 hapd->last_gtk_alg = alg;
509 hapd->last_gtk_key_idx = idx;
510 if (key)
511 os_memcpy(hapd->last_gtk, key, key_len);
512 hapd->last_gtk_len = key_len;
513 }
514 #endif /* CONFIG_TESTING_OPTIONS */
515 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, vlan_id, 1,
516 NULL, 0, key, key_len, key_flag);
517 }
518
519
hostapd_wpa_auth_get_seqnum(void * ctx,const u8 * addr,int idx,u8 * seq)520 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
521 u8 *seq)
522 {
523 struct hostapd_data *hapd = ctx;
524 int link_id = -1;
525
526 #ifdef CONFIG_IEEE80211BE
527 if (hapd->conf->mld_ap && idx)
528 link_id = hapd->mld_link_id;
529 #endif /* CONFIG_IEEE80211BE */
530 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, link_id,
531 seq);
532 }
533
534
hostapd_wpa_auth_send_eapol(void * ctx,const u8 * addr,const u8 * data,size_t data_len,int encrypt)535 int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
536 const u8 *data, size_t data_len,
537 int encrypt)
538 {
539 struct hostapd_data *hapd = ctx;
540 struct sta_info *sta;
541 u32 flags = 0;
542 int link_id = -1;
543
544 #ifdef CONFIG_IEEE80211BE
545 link_id = hapd->conf->mld_ap ? hapd->mld_link_id : -1;
546 #endif /* CONFIG_IEEE80211BE */
547
548 #ifdef CONFIG_TESTING_OPTIONS
549 if (hapd->ext_eapol_frame_io) {
550 size_t hex_len = 2 * data_len + 1;
551 char *hex = os_malloc(hex_len);
552
553 if (hex == NULL)
554 return -1;
555 wpa_snprintf_hex(hex, hex_len, data, data_len);
556 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
557 MAC2STR(addr), hex);
558 os_free(hex);
559 return 0;
560 }
561 #endif /* CONFIG_TESTING_OPTIONS */
562
563 sta = ap_get_sta(hapd, addr);
564 if (sta) {
565 flags = hostapd_sta_flags_to_drv(sta->flags);
566 #ifdef CONFIG_IEEE80211BE
567 if (ap_sta_is_mld(hapd, sta) &&
568 (sta->flags & WLAN_STA_AUTHORIZED))
569 link_id = -1;
570 #endif /* CONFIG_IEEE80211BE */
571 }
572
573 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
574 encrypt, flags, link_id);
575 }
576
577
hostapd_wpa_auth_get_sta_count(void * ctx)578 static int hostapd_wpa_auth_get_sta_count(void *ctx)
579 {
580 struct hostapd_data *hapd = ctx;
581
582 return hapd->num_sta;
583 }
584
585
hostapd_wpa_auth_for_each_sta(void * ctx,int (* cb)(struct wpa_state_machine * sm,void * ctx),void * cb_ctx)586 static int hostapd_wpa_auth_for_each_sta(
587 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
588 void *cb_ctx)
589 {
590 struct hostapd_data *hapd = ctx;
591 struct sta_info *sta;
592
593 for (sta = hapd->sta_list; sta; sta = sta->next) {
594 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
595 return 1;
596 }
597 return 0;
598 }
599
600
601 struct wpa_auth_iface_iter_data {
602 int (*cb)(struct wpa_authenticator *sm, void *ctx);
603 void *cb_ctx;
604 };
605
wpa_auth_iface_iter(struct hostapd_iface * iface,void * ctx)606 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
607 {
608 struct wpa_auth_iface_iter_data *data = ctx;
609 size_t i;
610 for (i = 0; i < iface->num_bss; i++) {
611 if (iface->bss[i]->wpa_auth &&
612 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
613 return 1;
614 }
615 return 0;
616 }
617
618
hostapd_wpa_auth_for_each_auth(void * ctx,int (* cb)(struct wpa_authenticator * sm,void * ctx),void * cb_ctx)619 static int hostapd_wpa_auth_for_each_auth(
620 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
621 void *cb_ctx)
622 {
623 struct hostapd_data *hapd = ctx;
624 struct wpa_auth_iface_iter_data data;
625 if (hapd->iface->interfaces == NULL ||
626 hapd->iface->interfaces->for_each_interface == NULL)
627 return -1;
628 data.cb = cb;
629 data.cb_ctx = cb_ctx;
630 return hapd->iface->interfaces->for_each_interface(
631 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
632 }
633
634
635 #ifdef CONFIG_IEEE80211R_AP
636
637 struct wpa_ft_rrb_rx_later_data {
638 struct dl_list list;
639 u8 addr[ETH_ALEN];
640 size_t data_len;
641 /* followed by data_len octets of data */
642 };
643
hostapd_wpa_ft_rrb_rx_later(void * eloop_ctx,void * timeout_ctx)644 static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx)
645 {
646 struct hostapd_data *hapd = eloop_ctx;
647 struct wpa_ft_rrb_rx_later_data *data, *n;
648
649 dl_list_for_each_safe(data, n, &hapd->l2_queue,
650 struct wpa_ft_rrb_rx_later_data, list) {
651 if (hapd->wpa_auth) {
652 wpa_ft_rrb_rx(hapd->wpa_auth, data->addr,
653 (const u8 *) (data + 1),
654 data->data_len);
655 }
656 dl_list_del(&data->list);
657 os_free(data);
658 }
659 }
660
661
662 struct wpa_auth_ft_iface_iter_data {
663 struct hostapd_data *src_hapd;
664 const u8 *dst;
665 const u8 *data;
666 size_t data_len;
667 };
668
669
hostapd_wpa_auth_ft_iter(struct hostapd_iface * iface,void * ctx)670 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
671 {
672 struct wpa_auth_ft_iface_iter_data *idata = ctx;
673 struct wpa_ft_rrb_rx_later_data *data;
674 struct hostapd_data *hapd;
675 size_t j;
676
677 for (j = 0; j < iface->num_bss; j++) {
678 hapd = iface->bss[j];
679 if (hapd == idata->src_hapd ||
680 !hapd->wpa_auth ||
681 !ether_addr_equal(hapd->own_addr, idata->dst))
682 continue;
683
684 wpa_printf(MSG_DEBUG,
685 "FT: Send RRB data directly to locally managed BSS "
686 MACSTR "@%s -> " MACSTR "@%s",
687 MAC2STR(idata->src_hapd->own_addr),
688 idata->src_hapd->conf->iface,
689 MAC2STR(hapd->own_addr), hapd->conf->iface);
690
691 /* Defer wpa_ft_rrb_rx() until next eloop step as this is
692 * when it would be triggered when reading from a socket.
693 * This avoids
694 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
695 * that is calling hapd0:recv handler from within
696 * hapd0:send directly.
697 */
698 data = os_zalloc(sizeof(*data) + idata->data_len);
699 if (!data)
700 return 1;
701
702 os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN);
703 os_memcpy(data + 1, idata->data, idata->data_len);
704 data->data_len = idata->data_len;
705
706 dl_list_add(&hapd->l2_queue, &data->list);
707
708 if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later,
709 hapd, NULL))
710 eloop_register_timeout(0, 0,
711 hostapd_wpa_ft_rrb_rx_later,
712 hapd, NULL);
713
714 return 1;
715 }
716
717 return 0;
718 }
719
720 #endif /* CONFIG_IEEE80211R_AP */
721
722
hostapd_wpa_auth_send_ether(void * ctx,const u8 * dst,u16 proto,const u8 * data,size_t data_len)723 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
724 const u8 *data, size_t data_len)
725 {
726 struct hostapd_data *hapd = ctx;
727 struct l2_ethhdr *buf;
728 int ret;
729
730 #ifdef CONFIG_TESTING_OPTIONS
731 if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
732 size_t hex_len = 2 * data_len + 1;
733 char *hex = os_malloc(hex_len);
734
735 if (hex == NULL)
736 return -1;
737 wpa_snprintf_hex(hex, hex_len, data, data_len);
738 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
739 MAC2STR(dst), hex);
740 os_free(hex);
741 return 0;
742 }
743 #endif /* CONFIG_TESTING_OPTIONS */
744
745 #ifdef CONFIG_IEEE80211R_AP
746 if (proto == ETH_P_RRB && hapd->iface->interfaces &&
747 hapd->iface->interfaces->for_each_interface) {
748 int res;
749 struct wpa_auth_ft_iface_iter_data idata;
750 idata.src_hapd = hapd;
751 idata.dst = dst;
752 idata.data = data;
753 idata.data_len = data_len;
754 res = hapd->iface->interfaces->for_each_interface(
755 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
756 &idata);
757 if (res == 1)
758 return data_len;
759 }
760 #endif /* CONFIG_IEEE80211R_AP */
761
762 if (hapd->l2 == NULL)
763 return -1;
764
765 buf = os_malloc(sizeof(*buf) + data_len);
766 if (buf == NULL)
767 return -1;
768 os_memcpy(buf->h_dest, dst, ETH_ALEN);
769 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
770 buf->h_proto = host_to_be16(proto);
771 os_memcpy(buf + 1, data, data_len);
772 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
773 sizeof(*buf) + data_len);
774 os_free(buf);
775 return ret;
776 }
777
778
779 #ifdef CONFIG_ETH_P_OUI
hostapd_wpa_get_oui(struct hostapd_data * hapd,u8 oui_suffix)780 static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd,
781 u8 oui_suffix)
782 {
783 switch (oui_suffix) {
784 #ifdef CONFIG_IEEE80211R_AP
785 case FT_PACKET_R0KH_R1KH_PULL:
786 return hapd->oui_pull;
787 case FT_PACKET_R0KH_R1KH_RESP:
788 return hapd->oui_resp;
789 case FT_PACKET_R0KH_R1KH_PUSH:
790 return hapd->oui_push;
791 case FT_PACKET_R0KH_R1KH_SEQ_REQ:
792 return hapd->oui_sreq;
793 case FT_PACKET_R0KH_R1KH_SEQ_RESP:
794 return hapd->oui_sresp;
795 #endif /* CONFIG_IEEE80211R_AP */
796 default:
797 return NULL;
798 }
799 }
800 #endif /* CONFIG_ETH_P_OUI */
801
802
803 #ifdef CONFIG_IEEE80211R_AP
804
805 struct oui_deliver_later_data {
806 struct dl_list list;
807 u8 src_addr[ETH_ALEN];
808 u8 dst_addr[ETH_ALEN];
809 size_t data_len;
810 u8 oui_suffix;
811 /* followed by data_len octets of data */
812 };
813
hostapd_oui_deliver_later(void * eloop_ctx,void * timeout_ctx)814 static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx)
815 {
816 struct hostapd_data *hapd = eloop_ctx;
817 struct oui_deliver_later_data *data, *n;
818 struct eth_p_oui_ctx *oui_ctx;
819
820 dl_list_for_each_safe(data, n, &hapd->l2_oui_queue,
821 struct oui_deliver_later_data, list) {
822 oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix);
823 wpa_printf(MSG_DEBUG, "RRB(%s): %s src=" MACSTR " dst=" MACSTR
824 " oui_suffix=%u data_len=%u data=%p",
825 hapd->conf->iface, __func__,
826 MAC2STR(data->src_addr), MAC2STR(data->dst_addr),
827 data->oui_suffix, (unsigned int) data->data_len,
828 data);
829 if (hapd->wpa_auth && oui_ctx) {
830 eth_p_oui_deliver(oui_ctx, data->src_addr,
831 data->dst_addr,
832 (const u8 *) (data + 1),
833 data->data_len);
834 }
835 dl_list_del(&data->list);
836 os_free(data);
837 }
838 }
839
840
841 struct wpa_auth_oui_iface_iter_data {
842 struct hostapd_data *src_hapd;
843 const u8 *dst_addr;
844 const u8 *data;
845 size_t data_len;
846 u8 oui_suffix;
847 };
848
hostapd_wpa_auth_oui_iter(struct hostapd_iface * iface,void * ctx)849 static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
850 {
851 struct wpa_auth_oui_iface_iter_data *idata = ctx;
852 struct oui_deliver_later_data *data;
853 struct hostapd_data *hapd, *src_hapd = idata->src_hapd;
854 size_t j;
855
856 for (j = 0; j < iface->num_bss; j++) {
857 hapd = iface->bss[j];
858 if (hapd == src_hapd)
859 continue; /* don't deliver back to same interface */
860 if (!wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) ||
861 hapd->conf->ssid.ssid_len !=
862 src_hapd->conf->ssid.ssid_len ||
863 os_memcmp(hapd->conf->ssid.ssid,
864 src_hapd->conf->ssid.ssid,
865 hapd->conf->ssid.ssid_len) != 0 ||
866 os_memcmp(hapd->conf->mobility_domain,
867 src_hapd->conf->mobility_domain,
868 MOBILITY_DOMAIN_ID_LEN) != 0)
869 continue; /* no matching FT SSID/mobility domain */
870 if (!is_multicast_ether_addr(idata->dst_addr) &&
871 !ether_addr_equal(hapd->own_addr, idata->dst_addr))
872 continue; /* destination address does not match */
873
874 /* defer eth_p_oui_deliver until next eloop step as this is
875 * when it would be triggerd from reading from sock
876 * This avoids
877 * hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
878 * that is calling hapd0:recv handler from within
879 * hapd0:send directly.
880 */
881 data = os_zalloc(sizeof(*data) + idata->data_len);
882 if (!data)
883 return 1;
884 wpa_printf(MSG_DEBUG,
885 "RRB(%s): local delivery to %s dst=" MACSTR
886 " oui_suffix=%u data_len=%u data=%p",
887 src_hapd->conf->iface, hapd->conf->iface,
888 MAC2STR(idata->dst_addr), idata->oui_suffix,
889 (unsigned int) idata->data_len, data);
890
891 os_memcpy(data->src_addr, src_hapd->own_addr, ETH_ALEN);
892 os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN);
893 os_memcpy(data + 1, idata->data, idata->data_len);
894 data->data_len = idata->data_len;
895 data->oui_suffix = idata->oui_suffix;
896
897 dl_list_add_tail(&hapd->l2_oui_queue, &data->list);
898
899 if (!eloop_is_timeout_registered(hostapd_oui_deliver_later,
900 hapd, NULL))
901 eloop_register_timeout(0, 0,
902 hostapd_oui_deliver_later,
903 hapd, NULL);
904
905 /* If dst_addr is a multicast address, do not return any
906 * non-zero value here. Otherwise, the iteration of
907 * for_each_interface() will be stopped. */
908 if (!is_multicast_ether_addr(idata->dst_addr))
909 return 1;
910 }
911
912 return 0;
913 }
914
915 #endif /* CONFIG_IEEE80211R_AP */
916
917
hostapd_wpa_auth_send_oui(void * ctx,const u8 * dst,u8 oui_suffix,const u8 * data,size_t data_len)918 static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix,
919 const u8 *data, size_t data_len)
920 {
921 #ifdef CONFIG_ETH_P_OUI
922 struct hostapd_data *hapd = ctx;
923 struct eth_p_oui_ctx *oui_ctx;
924
925 wpa_printf(MSG_DEBUG, "RRB(%s): send to dst=" MACSTR
926 " oui_suffix=%u data_len=%u",
927 hapd->conf->iface, MAC2STR(dst), oui_suffix,
928 (unsigned int) data_len);
929 #ifdef CONFIG_IEEE80211R_AP
930 if (hapd->iface->interfaces &&
931 hapd->iface->interfaces->for_each_interface) {
932 struct wpa_auth_oui_iface_iter_data idata;
933 int res;
934
935 idata.src_hapd = hapd;
936 idata.dst_addr = dst;
937 idata.data = data;
938 idata.data_len = data_len;
939 idata.oui_suffix = oui_suffix;
940 res = hapd->iface->interfaces->for_each_interface(
941 hapd->iface->interfaces, hostapd_wpa_auth_oui_iter,
942 &idata);
943 if (res == 1)
944 return data_len;
945 }
946 #endif /* CONFIG_IEEE80211R_AP */
947
948 oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix);
949 if (!oui_ctx)
950 return -1;
951
952 return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len);
953 #else /* CONFIG_ETH_P_OUI */
954 return -1;
955 #endif /* CONFIG_ETH_P_OUI */
956 }
957
958
hostapd_channel_info(void * ctx,struct wpa_channel_info * ci)959 static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
960 {
961 struct hostapd_data *hapd = ctx;
962
963 return hostapd_drv_channel_info(hapd, ci);
964 }
965
966
967 #ifdef CONFIG_PASN
968
hostapd_store_ptksa(void * ctx,const u8 * addr,int cipher,u32 life_time,const struct wpa_ptk * ptk)969 static void hostapd_store_ptksa(void *ctx, const u8 *addr,int cipher,
970 u32 life_time, const struct wpa_ptk *ptk)
971 {
972 struct hostapd_data *hapd = ctx;
973
974 ptksa_cache_add(hapd->ptksa, hapd->own_addr, addr, cipher, life_time,
975 ptk, NULL, NULL, 0);
976 }
977
978
hostapd_clear_ptksa(void * ctx,const u8 * addr,int cipher)979 static void hostapd_clear_ptksa(void *ctx, const u8 *addr, int cipher)
980 {
981 struct hostapd_data *hapd = ctx;
982
983 ptksa_cache_flush(hapd->ptksa, addr, cipher);
984 }
985
986 #endif /* CONFIG_PASN */
987
988
hostapd_wpa_auth_update_vlan(void * ctx,const u8 * addr,int vlan_id)989 static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
990 {
991 #ifndef CONFIG_NO_VLAN
992 struct hostapd_data *hapd = ctx;
993 struct sta_info *sta;
994
995 sta = ap_get_sta(hapd, addr);
996 if (!sta)
997 return -1;
998
999 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
1000 struct vlan_description vlan_desc;
1001
1002 os_memset(&vlan_desc, 0, sizeof(vlan_desc));
1003 vlan_desc.notempty = 1;
1004 vlan_desc.untagged = vlan_id;
1005 if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
1006 wpa_printf(MSG_INFO,
1007 "Invalid VLAN ID %d in wpa_psk_file",
1008 vlan_id);
1009 return -1;
1010 }
1011
1012 if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) {
1013 wpa_printf(MSG_INFO,
1014 "Failed to assign VLAN ID %d from wpa_psk_file to "
1015 MACSTR, vlan_id, MAC2STR(sta->addr));
1016 return -1;
1017 }
1018 } else {
1019 sta->vlan_id = vlan_id;
1020 }
1021
1022 wpa_printf(MSG_INFO,
1023 "Assigned VLAN ID %d from wpa_psk_file to " MACSTR,
1024 vlan_id, MAC2STR(sta->addr));
1025 if ((sta->flags & WLAN_STA_ASSOC) &&
1026 ap_sta_bind_vlan(hapd, sta) < 0)
1027 return -1;
1028 #endif /* CONFIG_NO_VLAN */
1029
1030 return 0;
1031 }
1032
1033
1034 #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)1035 static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr,
1036 int ap_max_chanwidth, int ap_seg1_idx,
1037 int *bandwidth, int *seg1_idx)
1038 {
1039 struct hostapd_data *hapd = ctx;
1040 struct sta_info *sta;
1041
1042 sta = ap_get_sta(hapd, addr);
1043 if (!sta) {
1044 hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO,
1045 "Failed to get STA info to validate received OCI");
1046 return -1;
1047 }
1048
1049 return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth,
1050 seg1_idx);
1051 }
1052 #endif /* CONFIG_OCV */
1053
1054
1055 #ifdef CONFIG_IEEE80211R_AP
1056
hostapd_wpa_auth_send_ft_action(void * ctx,const u8 * dst,const u8 * data,size_t data_len)1057 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
1058 const u8 *data, size_t data_len)
1059 {
1060 struct hostapd_data *hapd = ctx;
1061 int res;
1062 struct ieee80211_mgmt *m;
1063 size_t mlen;
1064 struct sta_info *sta;
1065
1066 sta = ap_get_sta(hapd, dst);
1067 if (sta == NULL || sta->wpa_sm == NULL)
1068 return -1;
1069
1070 m = os_zalloc(sizeof(*m) + data_len);
1071 if (m == NULL)
1072 return -1;
1073 mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
1074 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
1075 WLAN_FC_STYPE_ACTION);
1076 os_memcpy(m->da, dst, ETH_ALEN);
1077 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
1078 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
1079 os_memcpy(&m->u, data, data_len);
1080
1081 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0, NULL, 0, 0);
1082 os_free(m);
1083 return res;
1084 }
1085
1086
1087 static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void * ctx,const u8 * sta_addr)1088 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
1089 {
1090 struct hostapd_data *hapd = ctx;
1091 struct sta_info *sta;
1092 int ret;
1093
1094 wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR
1095 " based on WPA authenticator callback",
1096 MAC2STR(sta_addr));
1097 ret = hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT);
1098
1099 /*
1100 * The expected return values from hostapd_add_sta_node() are
1101 * 0: successfully added STA entry
1102 * -EOPNOTSUPP: driver or driver wrapper does not support/need this
1103 * operations
1104 * any other negative value: error in adding the STA entry */
1105 if (ret < 0 && ret != -EOPNOTSUPP)
1106 return NULL;
1107
1108 sta = ap_sta_add(hapd, sta_addr);
1109 if (sta == NULL)
1110 return NULL;
1111 if (ret == 0)
1112 sta->added_unassoc = 1;
1113
1114 sta->ft_over_ds = 1;
1115 if (sta->wpa_sm) {
1116 sta->auth_alg = WLAN_AUTH_FT;
1117 return sta->wpa_sm;
1118 }
1119
1120 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
1121 if (sta->wpa_sm == NULL) {
1122 ap_free_sta(hapd, sta);
1123 return NULL;
1124 }
1125 sta->auth_alg = WLAN_AUTH_FT;
1126
1127 return sta->wpa_sm;
1128 }
1129
1130
hostapd_wpa_auth_add_sta_ft(void * ctx,const u8 * sta_addr)1131 static int hostapd_wpa_auth_add_sta_ft(void *ctx, const u8 *sta_addr)
1132 {
1133 struct hostapd_data *hapd = ctx;
1134 struct sta_info *sta;
1135
1136 sta = ap_get_sta(hapd, sta_addr);
1137 if (!sta)
1138 return -1;
1139
1140 if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) &&
1141 (sta->flags & WLAN_STA_MFP) && ap_sta_is_authorized(sta) &&
1142 !(hapd->conf->mesh & MESH_ENABLED) && !(sta->added_unassoc)) {
1143 /* We could not do this in handle_auth() since there was a
1144 * PMF-enabled association for the STA and the new
1145 * authentication attempt was not yet fully processed. Now that
1146 * we are ready to configure the TK to the driver,
1147 * authentication has succeeded and we can clean up the driver
1148 * STA entry to avoid issues with any maintained state from the
1149 * previous association. */
1150 wpa_printf(MSG_DEBUG,
1151 "FT: Remove and re-add driver STA entry after successful FT authentication");
1152 return ap_sta_re_add(hapd, sta);
1153 }
1154
1155 return 0;
1156 }
1157
1158
hostapd_wpa_auth_set_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1159 static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr,
1160 struct vlan_description *vlan)
1161 {
1162 struct hostapd_data *hapd = ctx;
1163 struct sta_info *sta;
1164
1165 sta = ap_get_sta(hapd, sta_addr);
1166 if (!sta || !sta->wpa_sm)
1167 return -1;
1168
1169 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
1170 if (vlan->notempty &&
1171 !hostapd_vlan_valid(hapd->conf->vlan, vlan)) {
1172 hostapd_logger(hapd, sta->addr,
1173 HOSTAPD_MODULE_IEEE80211,
1174 HOSTAPD_LEVEL_INFO,
1175 "Invalid VLAN %d%s received from FT",
1176 vlan->untagged, vlan->tagged[0] ?
1177 "+" : "");
1178 return -1;
1179 }
1180
1181 if (ap_sta_set_vlan(hapd, sta, vlan) < 0)
1182 return -1;
1183
1184 } else {
1185 if (vlan->notempty)
1186 sta->vlan_id = vlan->untagged;
1187 }
1188 /* Configure wpa_group for GTK but ignore error due to driver not
1189 * knowing this STA. */
1190 ap_sta_bind_vlan(hapd, sta);
1191
1192 if (sta->vlan_id)
1193 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1194 HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
1195
1196 return 0;
1197 }
1198
1199
hostapd_wpa_auth_get_vlan(void * ctx,const u8 * sta_addr,struct vlan_description * vlan)1200 static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr,
1201 struct vlan_description *vlan)
1202 {
1203 struct hostapd_data *hapd = ctx;
1204 struct sta_info *sta;
1205
1206 sta = ap_get_sta(hapd, sta_addr);
1207 if (!sta)
1208 return -1;
1209
1210 if (sta->vlan_desc) {
1211 *vlan = *sta->vlan_desc;
1212 } else if ((hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
1213 sta->vlan_id) {
1214 vlan->notempty = 1;
1215 vlan->untagged = sta->vlan_id;
1216 } else {
1217 os_memset(vlan, 0, sizeof(*vlan));
1218 }
1219
1220 return 0;
1221 }
1222
1223
1224 static int
hostapd_wpa_auth_set_identity(void * ctx,const u8 * sta_addr,const u8 * identity,size_t identity_len)1225 hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr,
1226 const u8 *identity, size_t identity_len)
1227 {
1228 struct hostapd_data *hapd = ctx;
1229 struct sta_info *sta;
1230
1231 sta = ap_get_sta(hapd, sta_addr);
1232 if (!sta)
1233 return -1;
1234
1235 os_free(sta->identity);
1236 sta->identity = NULL;
1237
1238 if (sta->eapol_sm) {
1239 os_free(sta->eapol_sm->identity);
1240 sta->eapol_sm->identity = NULL;
1241 sta->eapol_sm->identity_len = 0;
1242 }
1243
1244 if (!identity_len)
1245 return 0;
1246
1247 /* sta->identity is NULL terminated */
1248 sta->identity = os_zalloc(identity_len + 1);
1249 if (!sta->identity)
1250 return -1;
1251 os_memcpy(sta->identity, identity, identity_len);
1252
1253 if (sta->eapol_sm) {
1254 sta->eapol_sm->identity = os_zalloc(identity_len);
1255 if (!sta->eapol_sm->identity)
1256 return -1;
1257 os_memcpy(sta->eapol_sm->identity, identity, identity_len);
1258 sta->eapol_sm->identity_len = identity_len;
1259 }
1260
1261 return 0;
1262 }
1263
1264
1265 static size_t
hostapd_wpa_auth_get_identity(void * ctx,const u8 * sta_addr,const u8 ** buf)1266 hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf)
1267 {
1268 struct hostapd_data *hapd = ctx;
1269 struct sta_info *sta;
1270 size_t len;
1271 char *identity;
1272
1273 sta = ap_get_sta(hapd, sta_addr);
1274 if (!sta)
1275 return 0;
1276
1277 *buf = ieee802_1x_get_identity(sta->eapol_sm, &len);
1278 if (*buf && len)
1279 return len;
1280
1281 if (!sta->identity) {
1282 *buf = NULL;
1283 return 0;
1284 }
1285
1286 identity = sta->identity;
1287 len = os_strlen(identity);
1288 *buf = (u8 *) identity;
1289
1290 return len;
1291 }
1292
1293
1294 static int
hostapd_wpa_auth_set_radius_cui(void * ctx,const u8 * sta_addr,const u8 * radius_cui,size_t radius_cui_len)1295 hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr,
1296 const u8 *radius_cui, size_t radius_cui_len)
1297 {
1298 struct hostapd_data *hapd = ctx;
1299 struct sta_info *sta;
1300
1301 sta = ap_get_sta(hapd, sta_addr);
1302 if (!sta)
1303 return -1;
1304
1305 os_free(sta->radius_cui);
1306 sta->radius_cui = NULL;
1307
1308 if (sta->eapol_sm) {
1309 wpabuf_free(sta->eapol_sm->radius_cui);
1310 sta->eapol_sm->radius_cui = NULL;
1311 }
1312
1313 if (!radius_cui)
1314 return 0;
1315
1316 /* sta->radius_cui is NULL terminated */
1317 sta->radius_cui = os_zalloc(radius_cui_len + 1);
1318 if (!sta->radius_cui)
1319 return -1;
1320 os_memcpy(sta->radius_cui, radius_cui, radius_cui_len);
1321
1322 if (sta->eapol_sm) {
1323 sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui,
1324 radius_cui_len);
1325 if (!sta->eapol_sm->radius_cui)
1326 return -1;
1327 }
1328
1329 return 0;
1330 }
1331
1332
1333 static size_t
hostapd_wpa_auth_get_radius_cui(void * ctx,const u8 * sta_addr,const u8 ** buf)1334 hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf)
1335 {
1336 struct hostapd_data *hapd = ctx;
1337 struct sta_info *sta;
1338 struct wpabuf *b;
1339 size_t len;
1340 char *radius_cui;
1341
1342 sta = ap_get_sta(hapd, sta_addr);
1343 if (!sta)
1344 return 0;
1345
1346 b = ieee802_1x_get_radius_cui(sta->eapol_sm);
1347 if (b) {
1348 len = wpabuf_len(b);
1349 *buf = wpabuf_head(b);
1350 return len;
1351 }
1352
1353 if (!sta->radius_cui) {
1354 *buf = NULL;
1355 return 0;
1356 }
1357
1358 radius_cui = sta->radius_cui;
1359 len = os_strlen(radius_cui);
1360 *buf = (u8 *) radius_cui;
1361
1362 return len;
1363 }
1364
1365
hostapd_wpa_auth_set_session_timeout(void * ctx,const u8 * sta_addr,int session_timeout)1366 static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr,
1367 int session_timeout)
1368 {
1369 struct hostapd_data *hapd = ctx;
1370 struct sta_info *sta;
1371
1372 sta = ap_get_sta(hapd, sta_addr);
1373 if (!sta)
1374 return;
1375
1376 if (session_timeout) {
1377 os_get_reltime(&sta->session_timeout);
1378 sta->session_timeout.sec += session_timeout;
1379 sta->session_timeout_set = 1;
1380 ap_sta_session_timeout(hapd, sta, session_timeout);
1381 } else {
1382 sta->session_timeout_set = 0;
1383 ap_sta_no_session_timeout(hapd, sta);
1384 }
1385 }
1386
1387
hostapd_wpa_auth_get_session_timeout(void * ctx,const u8 * sta_addr)1388 static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr)
1389 {
1390 struct hostapd_data *hapd = ctx;
1391 struct sta_info *sta;
1392 struct os_reltime now, remaining;
1393
1394 sta = ap_get_sta(hapd, sta_addr);
1395 if (!sta || !sta->session_timeout_set)
1396 return 0;
1397
1398 os_get_reltime(&now);
1399 if (os_reltime_before(&sta->session_timeout, &now)) {
1400 /* already expired, return >0 as timeout was set */
1401 return 1;
1402 }
1403
1404 os_reltime_sub(&sta->session_timeout, &now, &remaining);
1405
1406 return (remaining.sec > 0) ? remaining.sec : 1;
1407 }
1408
1409
hostapd_rrb_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1410 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
1411 size_t len)
1412 {
1413 struct hostapd_data *hapd = ctx;
1414 struct l2_ethhdr *ethhdr;
1415 if (len < sizeof(*ethhdr))
1416 return;
1417 ethhdr = (struct l2_ethhdr *) buf;
1418 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1419 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
1420 if (!is_multicast_ether_addr(ethhdr->h_dest) &&
1421 !ether_addr_equal(hapd->own_addr, ethhdr->h_dest))
1422 return;
1423 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
1424 len - sizeof(*ethhdr));
1425 }
1426
1427
hostapd_rrb_oui_receive(void * ctx,const u8 * src_addr,const u8 * dst_addr,u8 oui_suffix,const u8 * buf,size_t len)1428 static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr,
1429 const u8 *dst_addr, u8 oui_suffix,
1430 const u8 *buf, size_t len)
1431 {
1432 struct hostapd_data *hapd = ctx;
1433
1434 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
1435 MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr));
1436 if (!is_multicast_ether_addr(dst_addr) &&
1437 !ether_addr_equal(hapd->own_addr, dst_addr))
1438 return;
1439 wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf,
1440 len);
1441 }
1442
1443
hostapd_wpa_auth_add_tspec(void * ctx,const u8 * sta_addr,u8 * tspec_ie,size_t tspec_ielen)1444 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
1445 u8 *tspec_ie, size_t tspec_ielen)
1446 {
1447 struct hostapd_data *hapd = ctx;
1448 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
1449 }
1450
1451
1452
hostapd_wpa_register_ft_oui(struct hostapd_data * hapd,const char * ft_iface)1453 static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd,
1454 const char *ft_iface)
1455 {
1456 hapd->oui_pull = eth_p_oui_register(hapd, ft_iface,
1457 FT_PACKET_R0KH_R1KH_PULL,
1458 hostapd_rrb_oui_receive, hapd);
1459 if (!hapd->oui_pull)
1460 return -1;
1461
1462 hapd->oui_resp = eth_p_oui_register(hapd, ft_iface,
1463 FT_PACKET_R0KH_R1KH_RESP,
1464 hostapd_rrb_oui_receive, hapd);
1465 if (!hapd->oui_resp)
1466 return -1;
1467
1468 hapd->oui_push = eth_p_oui_register(hapd, ft_iface,
1469 FT_PACKET_R0KH_R1KH_PUSH,
1470 hostapd_rrb_oui_receive, hapd);
1471 if (!hapd->oui_push)
1472 return -1;
1473
1474 hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface,
1475 FT_PACKET_R0KH_R1KH_SEQ_REQ,
1476 hostapd_rrb_oui_receive, hapd);
1477 if (!hapd->oui_sreq)
1478 return -1;
1479
1480 hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface,
1481 FT_PACKET_R0KH_R1KH_SEQ_RESP,
1482 hostapd_rrb_oui_receive, hapd);
1483 if (!hapd->oui_sresp)
1484 return -1;
1485
1486 return 0;
1487 }
1488
1489
hostapd_wpa_unregister_ft_oui(struct hostapd_data * hapd)1490 static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd)
1491 {
1492 eth_p_oui_unregister(hapd->oui_pull);
1493 hapd->oui_pull = NULL;
1494 eth_p_oui_unregister(hapd->oui_resp);
1495 hapd->oui_resp = NULL;
1496 eth_p_oui_unregister(hapd->oui_push);
1497 hapd->oui_push = NULL;
1498 eth_p_oui_unregister(hapd->oui_sreq);
1499 hapd->oui_sreq = NULL;
1500 eth_p_oui_unregister(hapd->oui_sresp);
1501 hapd->oui_sresp = NULL;
1502 }
1503 #endif /* CONFIG_IEEE80211R_AP */
1504
1505
1506 #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)1507 static void hostapd_request_radius_psk(void *ctx, const u8 *addr, int key_mgmt,
1508 const u8 *anonce,
1509 const u8 *eapol, size_t eapol_len)
1510 {
1511 struct hostapd_data *hapd = ctx;
1512
1513 wpa_printf(MSG_DEBUG, "RADIUS PSK request for " MACSTR " key_mgmt=0x%x",
1514 MAC2STR(addr), key_mgmt);
1515 wpa_hexdump(MSG_DEBUG, "ANonce", anonce, WPA_NONCE_LEN);
1516 wpa_hexdump(MSG_DEBUG, "EAPOL", eapol, eapol_len);
1517 hostapd_acl_req_radius_psk(hapd, addr, key_mgmt, anonce, eapol,
1518 eapol_len);
1519 }
1520 #endif /* CONFIG_NO_RADIUS */
1521
1522
1523 #ifdef CONFIG_PASN
hostapd_set_ltf_keyseed(void * ctx,const u8 * peer_addr,const u8 * ltf_keyseed,size_t ltf_keyseed_len)1524 static int hostapd_set_ltf_keyseed(void *ctx, const u8 *peer_addr,
1525 const u8 *ltf_keyseed,
1526 size_t ltf_keyseed_len)
1527 {
1528 struct hostapd_data *hapd = ctx;
1529
1530 return hostapd_drv_set_secure_ranging_ctx(hapd, hapd->own_addr,
1531 peer_addr, 0, 0, NULL,
1532 ltf_keyseed_len,
1533 ltf_keyseed, 0);
1534 }
1535 #endif /* CONFIG_PASN */
1536
1537
1538 #ifdef CONFIG_IEEE80211BE
1539
hostapd_wpa_auth_get_ml_key_info(void * ctx,struct wpa_auth_ml_key_info * info)1540 static int hostapd_wpa_auth_get_ml_key_info(void *ctx,
1541 struct wpa_auth_ml_key_info *info)
1542 {
1543 struct hostapd_data *hapd = ctx;
1544 unsigned int i;
1545
1546 wpa_printf(MSG_DEBUG, "WPA_AUTH: MLD: Get key info CB: n_mld_links=%u",
1547 info->n_mld_links);
1548
1549 if (!hapd->conf->mld_ap || !hapd->iface || !hapd->iface->interfaces)
1550 return -1;
1551
1552 for (i = 0; i < info->n_mld_links; i++) {
1553 struct hostapd_data *bss;
1554 u8 link_id = info->links[i].link_id;
1555 bool link_bss_found = false;
1556
1557 wpa_printf(MSG_DEBUG,
1558 "WPA_AUTH: MLD: Get link info CB: link_id=%u",
1559 link_id);
1560
1561 if (hapd->mld_link_id == link_id) {
1562 wpa_auth_ml_get_key_info(hapd->wpa_auth,
1563 &info->links[i],
1564 info->mgmt_frame_prot,
1565 info->beacon_prot);
1566 continue;
1567 }
1568
1569 for_each_mld_link(bss, hapd) {
1570 if (bss == hapd || bss->mld_link_id != link_id)
1571 continue;
1572
1573 wpa_auth_ml_get_key_info(bss->wpa_auth,
1574 &info->links[i],
1575 info->mgmt_frame_prot,
1576 info->beacon_prot);
1577 link_bss_found = true;
1578 break;
1579 }
1580
1581 if (!link_bss_found)
1582 wpa_printf(MSG_DEBUG,
1583 "WPA_AUTH: MLD: link=%u not found", link_id);
1584 }
1585
1586 return 0;
1587 }
1588
1589 #endif /* CONFIG_IEEE80211BE */
1590
1591
hostapd_wpa_auth_get_drv_flags(void * ctx,u64 * drv_flags,u64 * drv_flags2)1592 static int hostapd_wpa_auth_get_drv_flags(void *ctx,
1593 u64 *drv_flags, u64 *drv_flags2)
1594 {
1595 struct hostapd_data *hapd = ctx;
1596
1597 if (drv_flags)
1598 *drv_flags = hapd->iface->drv_flags;
1599 if (drv_flags2)
1600 *drv_flags2 = hapd->iface->drv_flags2;
1601
1602 return 0;
1603 }
1604
1605
hostapd_setup_wpa(struct hostapd_data * hapd)1606 int hostapd_setup_wpa(struct hostapd_data *hapd)
1607 {
1608 struct wpa_auth_config _conf;
1609 static const struct wpa_auth_callbacks cb = {
1610 .logger = hostapd_wpa_auth_logger,
1611 .disconnect = hostapd_wpa_auth_disconnect,
1612 .mic_failure_report = hostapd_wpa_auth_mic_failure_report,
1613 .psk_failure_report = hostapd_wpa_auth_psk_failure_report,
1614 .set_eapol = hostapd_wpa_auth_set_eapol,
1615 .get_eapol = hostapd_wpa_auth_get_eapol,
1616 .get_psk = hostapd_wpa_auth_get_psk,
1617 .get_msk = hostapd_wpa_auth_get_msk,
1618 .set_key = hostapd_wpa_auth_set_key,
1619 .get_seqnum = hostapd_wpa_auth_get_seqnum,
1620 .send_eapol = hostapd_wpa_auth_send_eapol,
1621 .get_sta_count = hostapd_wpa_auth_get_sta_count,
1622 .for_each_sta = hostapd_wpa_auth_for_each_sta,
1623 .for_each_auth = hostapd_wpa_auth_for_each_auth,
1624 .send_ether = hostapd_wpa_auth_send_ether,
1625 .send_oui = hostapd_wpa_auth_send_oui,
1626 .channel_info = hostapd_channel_info,
1627 .update_vlan = hostapd_wpa_auth_update_vlan,
1628 #ifdef CONFIG_PASN
1629 .store_ptksa = hostapd_store_ptksa,
1630 .clear_ptksa = hostapd_clear_ptksa,
1631 #endif /* CONFIG_PASN */
1632
1633 #ifdef CONFIG_OCV
1634 .get_sta_tx_params = hostapd_get_sta_tx_params,
1635 #endif /* CONFIG_OCV */
1636 #ifdef CONFIG_IEEE80211R_AP
1637 .send_ft_action = hostapd_wpa_auth_send_ft_action,
1638 .add_sta = hostapd_wpa_auth_add_sta,
1639 .add_sta_ft = hostapd_wpa_auth_add_sta_ft,
1640 .add_tspec = hostapd_wpa_auth_add_tspec,
1641 .set_vlan = hostapd_wpa_auth_set_vlan,
1642 .get_vlan = hostapd_wpa_auth_get_vlan,
1643 .set_identity = hostapd_wpa_auth_set_identity,
1644 .get_identity = hostapd_wpa_auth_get_identity,
1645 .set_radius_cui = hostapd_wpa_auth_set_radius_cui,
1646 .get_radius_cui = hostapd_wpa_auth_get_radius_cui,
1647 .set_session_timeout = hostapd_wpa_auth_set_session_timeout,
1648 .get_session_timeout = hostapd_wpa_auth_get_session_timeout,
1649 #endif /* CONFIG_IEEE80211R_AP */
1650 #ifndef CONFIG_NO_RADIUS
1651 .request_radius_psk = hostapd_request_radius_psk,
1652 #endif /* CONFIG_NO_RADIUS */
1653 #ifdef CONFIG_PASN
1654 .set_ltf_keyseed = hostapd_set_ltf_keyseed,
1655 #endif /* CONFIG_PASN */
1656 #ifdef CONFIG_IEEE80211BE
1657 .get_ml_key_info = hostapd_wpa_auth_get_ml_key_info,
1658 #endif /* CONFIG_IEEE80211BE */
1659 .get_drv_flags = hostapd_wpa_auth_get_drv_flags,
1660 };
1661 const u8 *wpa_ie;
1662 size_t wpa_ie_len;
1663 struct hostapd_data *tx_bss;
1664
1665 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
1666 _conf.msg_ctx = hapd->msg_ctx;
1667 tx_bss = hostapd_mbssid_get_tx_bss(hapd);
1668 if (tx_bss != hapd)
1669 _conf.tx_bss_auth = tx_bss->wpa_auth;
1670 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
1671 _conf.tx_status = 1;
1672 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
1673 _conf.ap_mlme = 1;
1674
1675 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) &&
1676 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_NEVER ||
1677 (hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_LOCAL_OK &&
1678 !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS)))) {
1679 wpa_msg(hapd->msg_ctx, MSG_INFO,
1680 "Disable PTK0 rekey support - replaced with disconnect");
1681 _conf.wpa_deny_ptk0_rekey = 1;
1682 }
1683
1684 if (_conf.extended_key_id &&
1685 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EXTENDED_KEY_ID))
1686 wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Extended Key ID supported");
1687 else
1688 _conf.extended_key_id = 0;
1689
1690 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION))
1691 _conf.beacon_prot = 0;
1692
1693 #ifdef CONFIG_OCV
1694 if (!(hapd->iface->drv_flags2 &
1695 (WPA_DRIVER_FLAGS2_AP_SME | WPA_DRIVER_FLAGS2_OCV)))
1696 _conf.ocv = 0;
1697 #endif /* CONFIG_OCV */
1698
1699 _conf.secure_ltf =
1700 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_LTF_AP);
1701 _conf.secure_rtt =
1702 !!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_RTT_AP);
1703 _conf.prot_range_neg =
1704 !!(hapd->iface->drv_flags2 &
1705 WPA_DRIVER_FLAGS2_PROT_RANGE_NEG_AP);
1706
1707 #ifdef CONFIG_IEEE80211BE
1708 _conf.mld_addr = NULL;
1709 _conf.link_id = -1;
1710 _conf.first_link_auth = NULL;
1711
1712 if (hapd->conf->mld_ap) {
1713 struct hostapd_data *lhapd;
1714
1715 _conf.mld_addr = hapd->mld->mld_addr;
1716 _conf.link_id = hapd->mld_link_id;
1717
1718 for_each_mld_link(lhapd, hapd) {
1719 if (lhapd == hapd)
1720 continue;
1721
1722 if (lhapd->wpa_auth)
1723 _conf.first_link_auth = lhapd->wpa_auth;
1724 }
1725 }
1726 #endif /* CONFIG_IEEE80211BE */
1727
1728 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd);
1729 if (hapd->wpa_auth == NULL) {
1730 wpa_printf(MSG_ERROR, "WPA initialization failed.");
1731 return -1;
1732 }
1733
1734 if (hostapd_set_privacy(hapd, 1)) {
1735 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
1736 "for interface %s", hapd->conf->iface);
1737 return -1;
1738 }
1739
1740 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
1741 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
1742 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
1743 "the kernel driver.");
1744 return -1;
1745 }
1746
1747 if (rsn_preauth_iface_init(hapd)) {
1748 wpa_printf(MSG_ERROR, "Initialization of RSN "
1749 "pre-authentication failed.");
1750 return -1;
1751 }
1752
1753 if (!hapd->ptksa)
1754 hapd->ptksa = ptksa_cache_init();
1755 if (!hapd->ptksa) {
1756 wpa_printf(MSG_ERROR, "Failed to allocate PTKSA cache");
1757 return -1;
1758 }
1759
1760 #ifdef CONFIG_IEEE80211R_AP
1761 if (!hostapd_drv_none(hapd) &&
1762 wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
1763 const char *ft_iface;
1764
1765 ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge :
1766 hapd->conf->iface;
1767 hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB,
1768 hostapd_rrb_receive, hapd, 1);
1769 if (!hapd->l2) {
1770 wpa_printf(MSG_ERROR, "Failed to open l2_packet "
1771 "interface");
1772 return -1;
1773 }
1774
1775 if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) {
1776 wpa_printf(MSG_ERROR,
1777 "Failed to open ETH_P_OUI interface");
1778 return -1;
1779 }
1780 }
1781 #endif /* CONFIG_IEEE80211R_AP */
1782
1783 return 0;
1784
1785 }
1786
1787
hostapd_reconfig_wpa(struct hostapd_data * hapd)1788 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
1789 {
1790 struct wpa_auth_config wpa_auth_conf;
1791 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
1792 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
1793 }
1794
1795
hostapd_deinit_wpa(struct hostapd_data * hapd)1796 void hostapd_deinit_wpa(struct hostapd_data *hapd)
1797 {
1798 ieee80211_tkip_countermeasures_deinit(hapd);
1799 ptksa_cache_deinit(hapd->ptksa);
1800 hapd->ptksa = NULL;
1801
1802 rsn_preauth_iface_deinit(hapd);
1803 if (hapd->wpa_auth) {
1804 wpa_deinit(hapd->wpa_auth);
1805 hapd->wpa_auth = NULL;
1806
1807 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
1808 wpa_printf(MSG_DEBUG, "Could not disable "
1809 "PrivacyInvoked for interface %s",
1810 hapd->conf->iface);
1811 }
1812
1813 if (hapd->drv_priv &&
1814 hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
1815 wpa_printf(MSG_DEBUG, "Could not remove generic "
1816 "information element from interface %s",
1817 hapd->conf->iface);
1818 }
1819 }
1820 ieee802_1x_deinit(hapd);
1821
1822 #ifdef CONFIG_IEEE80211R_AP
1823 eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX);
1824 hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */
1825 eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX);
1826 hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */
1827 l2_packet_deinit(hapd->l2);
1828 hapd->l2 = NULL;
1829 hostapd_wpa_unregister_ft_oui(hapd);
1830 #endif /* CONFIG_IEEE80211R_AP */
1831
1832 #ifdef CONFIG_TESTING_OPTIONS
1833 forced_memzero(hapd->last_gtk, WPA_GTK_MAX_LEN);
1834 forced_memzero(hapd->last_igtk, WPA_IGTK_MAX_LEN);
1835 forced_memzero(hapd->last_bigtk, WPA_BIGTK_MAX_LEN);
1836 #endif /* CONFIG_TESTING_OPTIONS */
1837 }
1838