1 /*
2 * hostapd / Configuration helper functions
3 * Copyright (c) 2003-2014, 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 "crypto/sha1.h"
13 #include "crypto/tls.h"
14 #include "radius/radius_client.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/ieee802_1x_defs.h"
17 #include "common/eapol_common.h"
18 #include "common/dhcp.h"
19 #include "eap_common/eap_wsc_common.h"
20 #include "eap_server/eap.h"
21 #include "wpa_auth.h"
22 #include "sta_info.h"
23 #include "airtime_policy.h"
24 #include "ap_config.h"
25
26
hostapd_config_free_vlan(struct hostapd_bss_config * bss)27 static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
28 {
29 struct hostapd_vlan *vlan, *prev;
30
31 vlan = bss->vlan;
32 prev = NULL;
33 while (vlan) {
34 prev = vlan;
35 vlan = vlan->next;
36 os_free(prev);
37 }
38
39 bss->vlan = NULL;
40 }
41
42
43 #ifndef DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES
44 #define DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES 0
45 #endif /* DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES */
46
hostapd_config_defaults_bss(struct hostapd_bss_config * bss)47 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
48 {
49 dl_list_init(&bss->anqp_elem);
50
51 bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
52 bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
53 bss->logger_syslog = (unsigned int) -1;
54 bss->logger_stdout = (unsigned int) -1;
55
56 bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
57
58 bss->wep_rekeying_period = 300;
59 /* use key0 in individual key and key1 in broadcast key */
60 bss->broadcast_key_idx_min = 1;
61 bss->broadcast_key_idx_max = 2;
62 bss->eap_reauth_period = 3600;
63
64 bss->wpa_group_rekey = 600;
65 bss->wpa_gmk_rekey = 86400;
66 bss->wpa_group_update_count = 4;
67 bss->wpa_pairwise_update_count = 4;
68 bss->wpa_disable_eapol_key_retries =
69 DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES;
70 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
71 bss->wpa_pairwise = WPA_CIPHER_TKIP;
72 bss->wpa_group = WPA_CIPHER_TKIP;
73 bss->rsn_pairwise = 0;
74
75 bss->max_num_sta = MAX_STA_COUNT;
76
77 bss->dtim_period = 2;
78
79 bss->radius_server_auth_port = 1812;
80 bss->eap_sim_db_timeout = 1;
81 bss->eap_sim_id = 3;
82 bss->ap_max_inactivity = AP_MAX_INACTIVITY;
83 bss->eapol_version = EAPOL_VERSION;
84
85 bss->max_listen_interval = 65535;
86
87 bss->pwd_group = 19; /* ECC: GF(p=256) */
88
89 #ifdef CONFIG_IEEE80211W
90 bss->assoc_sa_query_max_timeout = 1000;
91 bss->assoc_sa_query_retry_timeout = 201;
92 bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
93 #endif /* CONFIG_IEEE80211W */
94 #ifdef EAP_SERVER_FAST
95 /* both anonymous and authenticated provisioning */
96 bss->eap_fast_prov = 3;
97 bss->pac_key_lifetime = 7 * 24 * 60 * 60;
98 bss->pac_key_refresh_time = 1 * 24 * 60 * 60;
99 #endif /* EAP_SERVER_FAST */
100
101 /* Set to -1 as defaults depends on HT in setup */
102 bss->wmm_enabled = -1;
103
104 #ifdef CONFIG_IEEE80211R_AP
105 bss->ft_over_ds = 1;
106 bss->rkh_pos_timeout = 86400;
107 bss->rkh_neg_timeout = 60;
108 bss->rkh_pull_timeout = 1000;
109 bss->rkh_pull_retries = 4;
110 bss->r0_key_lifetime = 1209600;
111 #endif /* CONFIG_IEEE80211R_AP */
112
113 bss->radius_das_time_window = 300;
114
115 bss->sae_anti_clogging_threshold = 5;
116 bss->sae_sync = 5;
117
118 bss->gas_frag_limit = 1400;
119
120 #ifdef CONFIG_FILS
121 dl_list_init(&bss->fils_realms);
122 bss->fils_hlp_wait_time = 30;
123 bss->dhcp_server_port = DHCP_SERVER_PORT;
124 bss->dhcp_relay_port = DHCP_SERVER_PORT;
125 #endif /* CONFIG_FILS */
126
127 bss->broadcast_deauth = 1;
128
129 #ifdef CONFIG_MBO
130 bss->mbo_cell_data_conn_pref = -1;
131 #endif /* CONFIG_MBO */
132
133 /* Disable TLS v1.3 by default for now to avoid interoperability issue.
134 * This can be enabled by default once the implementation has been fully
135 * completed and tested with other implementations. */
136 bss->tls_flags = TLS_CONN_DISABLE_TLSv1_3;
137
138 bss->send_probe_response = 1;
139
140 #ifdef CONFIG_HS20
141 bss->hs20_release = (HS20_VERSION >> 4) + 1;
142 #endif /* CONFIG_HS20 */
143
144 #ifdef CONFIG_MACSEC
145 bss->mka_priority = DEFAULT_PRIO_NOT_KEY_SERVER;
146 bss->macsec_port = 1;
147 #endif /* CONFIG_MACSEC */
148
149 /* Default to strict CRL checking. */
150 bss->check_crl_strict = 1;
151 }
152
153
hostapd_config_defaults(void)154 struct hostapd_config * hostapd_config_defaults(void)
155 {
156 #define ecw2cw(ecw) ((1 << (ecw)) - 1)
157
158 struct hostapd_config *conf;
159 struct hostapd_bss_config *bss;
160 const int aCWmin = 4, aCWmax = 10;
161 const struct hostapd_wmm_ac_params ac_bk =
162 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
163 const struct hostapd_wmm_ac_params ac_be =
164 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
165 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
166 { aCWmin - 1, aCWmin, 2, 3008 / 32, 0 };
167 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
168 { aCWmin - 2, aCWmin - 1, 2, 1504 / 32, 0 };
169 const struct hostapd_tx_queue_params txq_bk =
170 { 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 };
171 const struct hostapd_tx_queue_params txq_be =
172 { 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0};
173 const struct hostapd_tx_queue_params txq_vi =
174 { 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30};
175 const struct hostapd_tx_queue_params txq_vo =
176 { 1, (ecw2cw(aCWmin) + 1) / 4 - 1,
177 (ecw2cw(aCWmin) + 1) / 2 - 1, 15};
178
179 #undef ecw2cw
180
181 conf = os_zalloc(sizeof(*conf));
182 bss = os_zalloc(sizeof(*bss));
183 if (conf == NULL || bss == NULL) {
184 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
185 "configuration data.");
186 os_free(conf);
187 os_free(bss);
188 return NULL;
189 }
190 conf->bss = os_calloc(1, sizeof(struct hostapd_bss_config *));
191 if (conf->bss == NULL) {
192 os_free(conf);
193 os_free(bss);
194 return NULL;
195 }
196 conf->bss[0] = bss;
197
198 bss->radius = os_zalloc(sizeof(*bss->radius));
199 if (bss->radius == NULL) {
200 os_free(conf->bss);
201 os_free(conf);
202 os_free(bss);
203 return NULL;
204 }
205
206 hostapd_config_defaults_bss(bss);
207
208 conf->num_bss = 1;
209
210 conf->beacon_int = 100;
211 conf->rts_threshold = -2; /* use driver default: 2347 */
212 conf->fragm_threshold = -2; /* user driver default: 2346 */
213 /* Set to invalid value means do not add Power Constraint IE */
214 conf->local_pwr_constraint = -1;
215
216 conf->wmm_ac_params[0] = ac_be;
217 conf->wmm_ac_params[1] = ac_bk;
218 conf->wmm_ac_params[2] = ac_vi;
219 conf->wmm_ac_params[3] = ac_vo;
220
221 conf->tx_queue[0] = txq_vo;
222 conf->tx_queue[1] = txq_vi;
223 conf->tx_queue[2] = txq_be;
224 conf->tx_queue[3] = txq_bk;
225
226 conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED;
227
228 conf->ap_table_max_size = 255;
229 conf->ap_table_expiration_time = 60;
230 conf->track_sta_max_age = 180;
231
232 #ifdef CONFIG_TESTING_OPTIONS
233 conf->ignore_probe_probability = 0.0;
234 conf->ignore_auth_probability = 0.0;
235 conf->ignore_assoc_probability = 0.0;
236 conf->ignore_reassoc_probability = 0.0;
237 conf->corrupt_gtk_rekey_mic_probability = 0.0;
238 conf->ecsa_ie_only = 0;
239 #endif /* CONFIG_TESTING_OPTIONS */
240
241 conf->acs = 0;
242 conf->acs_ch_list.num = 0;
243 #ifdef CONFIG_ACS
244 conf->acs_num_scans = 5;
245 #endif /* CONFIG_ACS */
246
247 #ifdef CONFIG_IEEE80211AX
248 conf->he_op.he_rts_threshold = HE_OPERATION_RTS_THRESHOLD_MASK >>
249 HE_OPERATION_RTS_THRESHOLD_OFFSET;
250 /* Set default basic MCS/NSS set to single stream MCS 0-7 */
251 conf->he_op.he_basic_mcs_nss_set = 0xfffc;
252 #endif /* CONFIG_IEEE80211AX */
253
254 /* The third octet of the country string uses an ASCII space character
255 * by default to indicate that the regulations encompass all
256 * environments for the current frequency band in the country. */
257 conf->country[2] = ' ';
258
259 conf->rssi_reject_assoc_rssi = 0;
260 conf->rssi_reject_assoc_timeout = 30;
261
262 #ifdef CONFIG_AIRTIME_POLICY
263 conf->airtime_update_interval = AIRTIME_DEFAULT_UPDATE_INTERVAL;
264 #endif /* CONFIG_AIRTIME_POLICY */
265
266 return conf;
267 }
268
269
hostapd_mac_comp(const void * a,const void * b)270 int hostapd_mac_comp(const void *a, const void *b)
271 {
272 return os_memcmp(a, b, sizeof(macaddr));
273 }
274
275
hostapd_config_read_wpa_psk(const char * fname,struct hostapd_ssid * ssid)276 static int hostapd_config_read_wpa_psk(const char *fname,
277 struct hostapd_ssid *ssid)
278 {
279 FILE *f;
280 char buf[128], *pos;
281 const char *keyid;
282 char *context;
283 char *context2;
284 char *token;
285 char *name;
286 char *value;
287 int line = 0, ret = 0, len, ok;
288 u8 addr[ETH_ALEN];
289 struct hostapd_wpa_psk *psk;
290
291 if (!fname)
292 return 0;
293
294 f = fopen(fname, "r");
295 if (!f) {
296 wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname);
297 return -1;
298 }
299
300 while (fgets(buf, sizeof(buf), f)) {
301 int vlan_id = 0;
302
303 line++;
304
305 if (buf[0] == '#')
306 continue;
307 pos = buf;
308 while (*pos != '\0') {
309 if (*pos == '\n') {
310 *pos = '\0';
311 break;
312 }
313 pos++;
314 }
315 if (buf[0] == '\0')
316 continue;
317
318 context = NULL;
319 keyid = NULL;
320 while ((token = str_token(buf, " ", &context))) {
321 if (!os_strchr(token, '='))
322 break;
323 context2 = NULL;
324 name = str_token(token, "=", &context2);
325 if (!name)
326 break;
327 value = str_token(token, "", &context2);
328 if (!value)
329 value = "";
330 if (!os_strcmp(name, "keyid")) {
331 keyid = value;
332 } else if (!os_strcmp(name, "vlanid")) {
333 vlan_id = atoi(value);
334 } else {
335 wpa_printf(MSG_ERROR,
336 "Unrecognized '%s=%s' on line %d in '%s'",
337 name, value, line, fname);
338 ret = -1;
339 break;
340 }
341 }
342
343 if (ret == -1)
344 break;
345
346 if (!token)
347 token = "";
348 if (hwaddr_aton(token, addr)) {
349 wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on "
350 "line %d in '%s'", token, line, fname);
351 ret = -1;
352 break;
353 }
354
355 psk = os_zalloc(sizeof(*psk));
356 if (psk == NULL) {
357 wpa_printf(MSG_ERROR, "WPA PSK allocation failed");
358 ret = -1;
359 break;
360 }
361 psk->vlan_id = vlan_id;
362 if (is_zero_ether_addr(addr))
363 psk->group = 1;
364 else
365 os_memcpy(psk->addr, addr, ETH_ALEN);
366
367 pos = str_token(buf, "", &context);
368 if (!pos) {
369 wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'",
370 line, fname);
371 os_free(psk);
372 ret = -1;
373 break;
374 }
375
376 ok = 0;
377 len = os_strlen(pos);
378 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
379 ok = 1;
380 else if (len >= 8 && len < 64) {
381 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
382 4096, psk->psk, PMK_LEN);
383 ok = 1;
384 }
385 if (!ok) {
386 wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in "
387 "'%s'", pos, line, fname);
388 os_free(psk);
389 ret = -1;
390 break;
391 }
392
393 if (keyid) {
394 len = os_strlcpy(psk->keyid, keyid, sizeof(psk->keyid));
395 if ((size_t) len >= sizeof(psk->keyid)) {
396 wpa_printf(MSG_ERROR,
397 "PSK keyid too long on line %d in '%s'",
398 line, fname);
399 os_free(psk);
400 ret = -1;
401 break;
402 }
403 }
404
405 psk->next = ssid->wpa_psk;
406 ssid->wpa_psk = psk;
407 }
408
409 fclose(f);
410
411 return ret;
412 }
413
414
hostapd_derive_psk(struct hostapd_ssid * ssid)415 static int hostapd_derive_psk(struct hostapd_ssid *ssid)
416 {
417 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
418 if (ssid->wpa_psk == NULL) {
419 wpa_printf(MSG_ERROR, "Unable to alloc space for PSK");
420 return -1;
421 }
422 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
423 (u8 *) ssid->ssid, ssid->ssid_len);
424 wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)",
425 (u8 *) ssid->wpa_passphrase,
426 os_strlen(ssid->wpa_passphrase));
427 pbkdf2_sha1(ssid->wpa_passphrase,
428 ssid->ssid, ssid->ssid_len,
429 4096, ssid->wpa_psk->psk, PMK_LEN);
430 wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)",
431 ssid->wpa_psk->psk, PMK_LEN);
432 return 0;
433 }
434
435
hostapd_setup_wpa_psk(struct hostapd_bss_config * conf)436 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
437 {
438 struct hostapd_ssid *ssid = &conf->ssid;
439
440 if (ssid->wpa_passphrase != NULL) {
441 if (ssid->wpa_psk != NULL) {
442 wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK "
443 "instead of passphrase");
444 } else {
445 wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on "
446 "passphrase");
447 if (hostapd_derive_psk(ssid) < 0)
448 return -1;
449 }
450 ssid->wpa_psk->group = 1;
451 }
452
453 return hostapd_config_read_wpa_psk(ssid->wpa_psk_file, &conf->ssid);
454 }
455
456
hostapd_config_free_radius(struct hostapd_radius_server * servers,int num_servers)457 static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
458 int num_servers)
459 {
460 int i;
461
462 for (i = 0; i < num_servers; i++) {
463 os_free(servers[i].shared_secret);
464 }
465 os_free(servers);
466 }
467
468
469 struct hostapd_radius_attr *
hostapd_config_get_radius_attr(struct hostapd_radius_attr * attr,u8 type)470 hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type)
471 {
472 for (; attr; attr = attr->next) {
473 if (attr->type == type)
474 return attr;
475 }
476 return NULL;
477 }
478
479
hostapd_parse_radius_attr(const char * value)480 struct hostapd_radius_attr * hostapd_parse_radius_attr(const char *value)
481 {
482 const char *pos;
483 char syntax;
484 struct hostapd_radius_attr *attr;
485 size_t len;
486
487 attr = os_zalloc(sizeof(*attr));
488 if (!attr)
489 return NULL;
490
491 attr->type = atoi(value);
492
493 pos = os_strchr(value, ':');
494 if (!pos) {
495 attr->val = wpabuf_alloc(1);
496 if (!attr->val) {
497 os_free(attr);
498 return NULL;
499 }
500 wpabuf_put_u8(attr->val, 0);
501 return attr;
502 }
503
504 pos++;
505 if (pos[0] == '\0' || pos[1] != ':') {
506 os_free(attr);
507 return NULL;
508 }
509 syntax = *pos++;
510 pos++;
511
512 switch (syntax) {
513 case 's':
514 attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
515 break;
516 case 'x':
517 len = os_strlen(pos);
518 if (len & 1)
519 break;
520 len /= 2;
521 attr->val = wpabuf_alloc(len);
522 if (!attr->val)
523 break;
524 if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
525 wpabuf_free(attr->val);
526 os_free(attr);
527 return NULL;
528 }
529 break;
530 case 'd':
531 attr->val = wpabuf_alloc(4);
532 if (attr->val)
533 wpabuf_put_be32(attr->val, atoi(pos));
534 break;
535 default:
536 os_free(attr);
537 return NULL;
538 }
539
540 if (!attr->val) {
541 os_free(attr);
542 return NULL;
543 }
544
545 return attr;
546 }
547
548
hostapd_config_free_radius_attr(struct hostapd_radius_attr * attr)549 void hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr)
550 {
551 struct hostapd_radius_attr *prev;
552
553 while (attr) {
554 prev = attr;
555 attr = attr->next;
556 wpabuf_free(prev->val);
557 os_free(prev);
558 }
559 }
560
561
hostapd_config_free_eap_user(struct hostapd_eap_user * user)562 void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
563 {
564 hostapd_config_free_radius_attr(user->accept_attr);
565 os_free(user->identity);
566 bin_clear_free(user->password, user->password_len);
567 bin_clear_free(user->salt, user->salt_len);
568 os_free(user);
569 }
570
571
hostapd_config_free_eap_users(struct hostapd_eap_user * user)572 void hostapd_config_free_eap_users(struct hostapd_eap_user *user)
573 {
574 struct hostapd_eap_user *prev_user;
575
576 while (user) {
577 prev_user = user;
578 user = user->next;
579 hostapd_config_free_eap_user(prev_user);
580 }
581 }
582
583
hostapd_config_free_wep(struct hostapd_wep_keys * keys)584 static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
585 {
586 int i;
587 for (i = 0; i < NUM_WEP_KEYS; i++) {
588 bin_clear_free(keys->key[i], keys->len[i]);
589 keys->key[i] = NULL;
590 }
591 }
592
593
hostapd_config_clear_wpa_psk(struct hostapd_wpa_psk ** l)594 void hostapd_config_clear_wpa_psk(struct hostapd_wpa_psk **l)
595 {
596 struct hostapd_wpa_psk *psk, *tmp;
597
598 for (psk = *l; psk;) {
599 tmp = psk;
600 psk = psk->next;
601 bin_clear_free(tmp, sizeof(*tmp));
602 }
603 *l = NULL;
604 }
605
606
hostapd_config_free_anqp_elem(struct hostapd_bss_config * conf)607 static void hostapd_config_free_anqp_elem(struct hostapd_bss_config *conf)
608 {
609 struct anqp_element *elem;
610
611 while ((elem = dl_list_first(&conf->anqp_elem, struct anqp_element,
612 list))) {
613 dl_list_del(&elem->list);
614 wpabuf_free(elem->payload);
615 os_free(elem);
616 }
617 }
618
619
hostapd_config_free_fils_realms(struct hostapd_bss_config * conf)620 static void hostapd_config_free_fils_realms(struct hostapd_bss_config *conf)
621 {
622 #ifdef CONFIG_FILS
623 struct fils_realm *realm;
624
625 while ((realm = dl_list_first(&conf->fils_realms, struct fils_realm,
626 list))) {
627 dl_list_del(&realm->list);
628 os_free(realm);
629 }
630 #endif /* CONFIG_FILS */
631 }
632
633
hostapd_config_free_sae_passwords(struct hostapd_bss_config * conf)634 static void hostapd_config_free_sae_passwords(struct hostapd_bss_config *conf)
635 {
636 struct sae_password_entry *pw, *tmp;
637
638 pw = conf->sae_passwords;
639 conf->sae_passwords = NULL;
640 while (pw) {
641 tmp = pw;
642 pw = pw->next;
643 str_clear_free(tmp->password);
644 os_free(tmp->identifier);
645 os_free(tmp);
646 }
647 }
648
649
650 #ifdef CONFIG_DPP2
hostapd_dpp_controller_conf_free(struct dpp_controller_conf * conf)651 static void hostapd_dpp_controller_conf_free(struct dpp_controller_conf *conf)
652 {
653 struct dpp_controller_conf *prev;
654
655 while (conf) {
656 prev = conf;
657 conf = conf->next;
658 os_free(prev);
659 }
660 }
661 #endif /* CONFIG_DPP2 */
662
663
hostapd_config_free_bss(struct hostapd_bss_config * conf)664 void hostapd_config_free_bss(struct hostapd_bss_config *conf)
665 {
666 #if defined(CONFIG_WPS) || defined(CONFIG_HS20)
667 size_t i;
668 #endif
669
670 if (conf == NULL)
671 return;
672
673 hostapd_config_clear_wpa_psk(&conf->ssid.wpa_psk);
674
675 str_clear_free(conf->ssid.wpa_passphrase);
676 os_free(conf->ssid.wpa_psk_file);
677 hostapd_config_free_wep(&conf->ssid.wep);
678 #ifdef CONFIG_FULL_DYNAMIC_VLAN
679 os_free(conf->ssid.vlan_tagged_interface);
680 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
681
682 hostapd_config_free_eap_users(conf->eap_user);
683 os_free(conf->eap_user_sqlite);
684
685 os_free(conf->eap_req_id_text);
686 os_free(conf->erp_domain);
687 os_free(conf->accept_mac);
688 os_free(conf->deny_mac);
689 os_free(conf->nas_identifier);
690 if (conf->radius) {
691 hostapd_config_free_radius(conf->radius->auth_servers,
692 conf->radius->num_auth_servers);
693 hostapd_config_free_radius(conf->radius->acct_servers,
694 conf->radius->num_acct_servers);
695 }
696 hostapd_config_free_radius_attr(conf->radius_auth_req_attr);
697 hostapd_config_free_radius_attr(conf->radius_acct_req_attr);
698 os_free(conf->radius_req_attr_sqlite);
699 os_free(conf->rsn_preauth_interfaces);
700 os_free(conf->ctrl_interface);
701 os_free(conf->ca_cert);
702 os_free(conf->server_cert);
703 os_free(conf->server_cert2);
704 os_free(conf->private_key);
705 os_free(conf->private_key2);
706 os_free(conf->private_key_passwd);
707 os_free(conf->private_key_passwd2);
708 os_free(conf->check_cert_subject);
709 os_free(conf->ocsp_stapling_response);
710 os_free(conf->ocsp_stapling_response_multi);
711 os_free(conf->dh_file);
712 os_free(conf->openssl_ciphers);
713 os_free(conf->openssl_ecdh_curves);
714 os_free(conf->pac_opaque_encr_key);
715 os_free(conf->eap_fast_a_id);
716 os_free(conf->eap_fast_a_id_info);
717 os_free(conf->eap_sim_db);
718 os_free(conf->radius_server_clients);
719 os_free(conf->radius);
720 os_free(conf->radius_das_shared_secret);
721 hostapd_config_free_vlan(conf);
722 os_free(conf->time_zone);
723
724 #ifdef CONFIG_IEEE80211R_AP
725 {
726 struct ft_remote_r0kh *r0kh, *r0kh_prev;
727 struct ft_remote_r1kh *r1kh, *r1kh_prev;
728
729 r0kh = conf->r0kh_list;
730 conf->r0kh_list = NULL;
731 while (r0kh) {
732 r0kh_prev = r0kh;
733 r0kh = r0kh->next;
734 os_free(r0kh_prev);
735 }
736
737 r1kh = conf->r1kh_list;
738 conf->r1kh_list = NULL;
739 while (r1kh) {
740 r1kh_prev = r1kh;
741 r1kh = r1kh->next;
742 os_free(r1kh_prev);
743 }
744 }
745 #endif /* CONFIG_IEEE80211R_AP */
746
747 #ifdef CONFIG_WPS
748 os_free(conf->wps_pin_requests);
749 os_free(conf->device_name);
750 os_free(conf->manufacturer);
751 os_free(conf->model_name);
752 os_free(conf->model_number);
753 os_free(conf->serial_number);
754 os_free(conf->config_methods);
755 os_free(conf->ap_pin);
756 os_free(conf->extra_cred);
757 os_free(conf->ap_settings);
758 hostapd_config_clear_wpa_psk(&conf->multi_ap_backhaul_ssid.wpa_psk);
759 str_clear_free(conf->multi_ap_backhaul_ssid.wpa_passphrase);
760 os_free(conf->upnp_iface);
761 os_free(conf->friendly_name);
762 os_free(conf->manufacturer_url);
763 os_free(conf->model_description);
764 os_free(conf->model_url);
765 os_free(conf->upc);
766 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
767 wpabuf_free(conf->wps_vendor_ext[i]);
768 wpabuf_free(conf->wps_nfc_dh_pubkey);
769 wpabuf_free(conf->wps_nfc_dh_privkey);
770 wpabuf_free(conf->wps_nfc_dev_pw);
771 #endif /* CONFIG_WPS */
772
773 os_free(conf->roaming_consortium);
774 os_free(conf->venue_name);
775 os_free(conf->venue_url);
776 os_free(conf->nai_realm_data);
777 os_free(conf->network_auth_type);
778 os_free(conf->anqp_3gpp_cell_net);
779 os_free(conf->domain_name);
780 hostapd_config_free_anqp_elem(conf);
781
782 #ifdef CONFIG_RADIUS_TEST
783 os_free(conf->dump_msk_file);
784 #endif /* CONFIG_RADIUS_TEST */
785
786 #ifdef CONFIG_HS20
787 os_free(conf->hs20_oper_friendly_name);
788 os_free(conf->hs20_wan_metrics);
789 os_free(conf->hs20_connection_capability);
790 os_free(conf->hs20_operating_class);
791 os_free(conf->hs20_icons);
792 if (conf->hs20_osu_providers) {
793 for (i = 0; i < conf->hs20_osu_providers_count; i++) {
794 struct hs20_osu_provider *p;
795 size_t j;
796 p = &conf->hs20_osu_providers[i];
797 os_free(p->friendly_name);
798 os_free(p->server_uri);
799 os_free(p->method_list);
800 for (j = 0; j < p->icons_count; j++)
801 os_free(p->icons[j]);
802 os_free(p->icons);
803 os_free(p->osu_nai);
804 os_free(p->osu_nai2);
805 os_free(p->service_desc);
806 }
807 os_free(conf->hs20_osu_providers);
808 }
809 if (conf->hs20_operator_icon) {
810 for (i = 0; i < conf->hs20_operator_icon_count; i++)
811 os_free(conf->hs20_operator_icon[i]);
812 os_free(conf->hs20_operator_icon);
813 }
814 os_free(conf->subscr_remediation_url);
815 os_free(conf->hs20_sim_provisioning_url);
816 os_free(conf->t_c_filename);
817 os_free(conf->t_c_server_url);
818 #endif /* CONFIG_HS20 */
819
820 wpabuf_free(conf->vendor_elements);
821 wpabuf_free(conf->assocresp_elements);
822
823 os_free(conf->sae_groups);
824 #ifdef CONFIG_OWE
825 os_free(conf->owe_groups);
826 #endif /* CONFIG_OWE */
827
828 os_free(conf->wowlan_triggers);
829
830 os_free(conf->server_id);
831
832 #ifdef CONFIG_TESTING_OPTIONS
833 wpabuf_free(conf->own_ie_override);
834 wpabuf_free(conf->sae_commit_override);
835 #endif /* CONFIG_TESTING_OPTIONS */
836
837 os_free(conf->no_probe_resp_if_seen_on);
838 os_free(conf->no_auth_if_seen_on);
839
840 hostapd_config_free_fils_realms(conf);
841
842 #ifdef CONFIG_DPP
843 os_free(conf->dpp_connector);
844 wpabuf_free(conf->dpp_netaccesskey);
845 wpabuf_free(conf->dpp_csign);
846 #ifdef CONFIG_DPP2
847 hostapd_dpp_controller_conf_free(conf->dpp_controller);
848 #endif /* CONFIG_DPP2 */
849 #endif /* CONFIG_DPP */
850
851 hostapd_config_free_sae_passwords(conf);
852
853 #ifdef CONFIG_AIRTIME_POLICY
854 {
855 struct airtime_sta_weight *wt, *wt_prev;
856
857 wt = conf->airtime_weight_list;
858 conf->airtime_weight_list = NULL;
859 while (wt) {
860 wt_prev = wt;
861 wt = wt->next;
862 os_free(wt_prev);
863 }
864 }
865 #endif /* CONFIG_AIRTIME_POLICY */
866
867 os_free(conf);
868 }
869
870
871 /**
872 * hostapd_config_free - Free hostapd configuration
873 * @conf: Configuration data from hostapd_config_read().
874 */
hostapd_config_free(struct hostapd_config * conf)875 void hostapd_config_free(struct hostapd_config *conf)
876 {
877 size_t i;
878
879 if (conf == NULL)
880 return;
881
882 for (i = 0; i < conf->num_bss; i++)
883 hostapd_config_free_bss(conf->bss[i]);
884 os_free(conf->bss);
885 os_free(conf->supported_rates);
886 os_free(conf->basic_rates);
887 os_free(conf->acs_ch_list.range);
888 os_free(conf->driver_params);
889 #ifdef CONFIG_ACS
890 os_free(conf->acs_chan_bias);
891 #endif /* CONFIG_ACS */
892 wpabuf_free(conf->lci);
893 wpabuf_free(conf->civic);
894
895 os_free(conf);
896 }
897
898
899 /**
900 * hostapd_maclist_found - Find a MAC address from a list
901 * @list: MAC address list
902 * @num_entries: Number of addresses in the list
903 * @addr: Address to search for
904 * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed
905 * Returns: 1 if address is in the list or 0 if not.
906 *
907 * Perform a binary search for given MAC address from a pre-sorted list.
908 */
hostapd_maclist_found(struct mac_acl_entry * list,int num_entries,const u8 * addr,struct vlan_description * vlan_id)909 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
910 const u8 *addr, struct vlan_description *vlan_id)
911 {
912 int start, end, middle, res;
913
914 start = 0;
915 end = num_entries - 1;
916
917 while (start <= end) {
918 middle = (start + end) / 2;
919 res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
920 if (res == 0) {
921 if (vlan_id)
922 *vlan_id = list[middle].vlan_id;
923 return 1;
924 }
925 if (res < 0)
926 start = middle + 1;
927 else
928 end = middle - 1;
929 }
930
931 return 0;
932 }
933
934
hostapd_rate_found(int * list,int rate)935 int hostapd_rate_found(int *list, int rate)
936 {
937 int i;
938
939 if (list == NULL)
940 return 0;
941
942 for (i = 0; list[i] >= 0; i++)
943 if (list[i] == rate)
944 return 1;
945
946 return 0;
947 }
948
949
hostapd_vlan_valid(struct hostapd_vlan * vlan,struct vlan_description * vlan_desc)950 int hostapd_vlan_valid(struct hostapd_vlan *vlan,
951 struct vlan_description *vlan_desc)
952 {
953 struct hostapd_vlan *v = vlan;
954 int i;
955
956 if (!vlan_desc->notempty || vlan_desc->untagged < 0 ||
957 vlan_desc->untagged > MAX_VLAN_ID)
958 return 0;
959 for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) {
960 if (vlan_desc->tagged[i] < 0 ||
961 vlan_desc->tagged[i] > MAX_VLAN_ID)
962 return 0;
963 }
964 if (!vlan_desc->untagged && !vlan_desc->tagged[0])
965 return 0;
966
967 while (v) {
968 if (!vlan_compare(&v->vlan_desc, vlan_desc) ||
969 v->vlan_id == VLAN_ID_WILDCARD)
970 return 1;
971 v = v->next;
972 }
973 return 0;
974 }
975
976
hostapd_get_vlan_id_ifname(struct hostapd_vlan * vlan,int vlan_id)977 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
978 {
979 struct hostapd_vlan *v = vlan;
980 while (v) {
981 if (v->vlan_id == vlan_id)
982 return v->ifname;
983 v = v->next;
984 }
985 return NULL;
986 }
987
988
hostapd_get_psk(const struct hostapd_bss_config * conf,const u8 * addr,const u8 * p2p_dev_addr,const u8 * prev_psk,int * vlan_id)989 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
990 const u8 *addr, const u8 *p2p_dev_addr,
991 const u8 *prev_psk, int *vlan_id)
992 {
993 struct hostapd_wpa_psk *psk;
994 int next_ok = prev_psk == NULL;
995
996 if (vlan_id)
997 *vlan_id = 0;
998
999 if (p2p_dev_addr && !is_zero_ether_addr(p2p_dev_addr)) {
1000 wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR
1001 " p2p_dev_addr=" MACSTR " prev_psk=%p",
1002 MAC2STR(addr), MAC2STR(p2p_dev_addr), prev_psk);
1003 addr = NULL; /* Use P2P Device Address for matching */
1004 } else {
1005 wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR
1006 " prev_psk=%p",
1007 MAC2STR(addr), prev_psk);
1008 }
1009
1010 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
1011 if (next_ok &&
1012 (psk->group ||
1013 (addr && os_memcmp(psk->addr, addr, ETH_ALEN) == 0) ||
1014 (!addr && p2p_dev_addr &&
1015 os_memcmp(psk->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) ==
1016 0))) {
1017 if (vlan_id)
1018 *vlan_id = psk->vlan_id;
1019 return psk->psk;
1020 }
1021
1022 if (psk->psk == prev_psk)
1023 next_ok = 1;
1024 }
1025
1026 return NULL;
1027 }
1028
1029
hostapd_config_check_bss(struct hostapd_bss_config * bss,struct hostapd_config * conf,int full_config)1030 static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
1031 struct hostapd_config *conf,
1032 int full_config)
1033 {
1034 if (full_config && bss->ieee802_1x && !bss->eap_server &&
1035 !bss->radius->auth_servers) {
1036 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
1037 "EAP authenticator configured).");
1038 return -1;
1039 }
1040
1041 if (bss->wpa) {
1042 int wep, i;
1043
1044 wep = bss->default_wep_key_len > 0 ||
1045 bss->individual_wep_key_len > 0;
1046 for (i = 0; i < NUM_WEP_KEYS; i++) {
1047 if (bss->ssid.wep.keys_set) {
1048 wep = 1;
1049 break;
1050 }
1051 }
1052
1053 if (wep) {
1054 wpa_printf(MSG_ERROR, "WEP configuration in a WPA network is not supported");
1055 return -1;
1056 }
1057 }
1058
1059 if (full_config && bss->wpa &&
1060 bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
1061 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
1062 wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
1063 "RADIUS checking (macaddr_acl=2) enabled.");
1064 return -1;
1065 }
1066
1067 if (full_config && bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
1068 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
1069 bss->ssid.wpa_psk_file == NULL &&
1070 (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
1071 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
1072 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
1073 "is not configured.");
1074 return -1;
1075 }
1076
1077 if (full_config && !is_zero_ether_addr(bss->bssid)) {
1078 size_t i;
1079
1080 for (i = 0; i < conf->num_bss; i++) {
1081 if (conf->bss[i] != bss &&
1082 (hostapd_mac_comp(conf->bss[i]->bssid,
1083 bss->bssid) == 0)) {
1084 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
1085 " on interface '%s' and '%s'.",
1086 MAC2STR(bss->bssid),
1087 conf->bss[i]->iface, bss->iface);
1088 return -1;
1089 }
1090 }
1091 }
1092
1093 #ifdef CONFIG_IEEE80211R_AP
1094 if (full_config && wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
1095 (bss->nas_identifier == NULL ||
1096 os_strlen(bss->nas_identifier) < 1 ||
1097 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
1098 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
1099 "nas_identifier to be configured as a 1..48 octet "
1100 "string");
1101 return -1;
1102 }
1103 #endif /* CONFIG_IEEE80211R_AP */
1104
1105 #ifdef CONFIG_IEEE80211N
1106 if (full_config && conf->ieee80211n &&
1107 conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
1108 bss->disable_11n = 1;
1109 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
1110 "allowed, disabling HT capabilities");
1111 }
1112
1113 if (full_config && conf->ieee80211n &&
1114 bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1115 bss->disable_11n = 1;
1116 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
1117 "allowed, disabling HT capabilities");
1118 }
1119
1120 if (full_config && conf->ieee80211n && bss->wpa &&
1121 !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1122 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1123 WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256)))
1124 {
1125 bss->disable_11n = 1;
1126 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
1127 "requires CCMP/GCMP to be enabled, disabling HT "
1128 "capabilities");
1129 }
1130 #endif /* CONFIG_IEEE80211N */
1131
1132 #ifdef CONFIG_IEEE80211AC
1133 if (full_config && conf->ieee80211ac &&
1134 bss->ssid.security_policy == SECURITY_STATIC_WEP) {
1135 bss->disable_11ac = 1;
1136 wpa_printf(MSG_ERROR,
1137 "VHT (IEEE 802.11ac) with WEP is not allowed, disabling VHT capabilities");
1138 }
1139
1140 if (full_config && conf->ieee80211ac && bss->wpa &&
1141 !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
1142 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1143 WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256)))
1144 {
1145 bss->disable_11ac = 1;
1146 wpa_printf(MSG_ERROR,
1147 "VHT (IEEE 802.11ac) with WPA/WPA2 requires CCMP/GCMP to be enabled, disabling VHT capabilities");
1148 }
1149 #endif /* CONFIG_IEEE80211AC */
1150
1151 #ifdef CONFIG_WPS
1152 if (full_config && bss->wps_state && bss->ignore_broadcast_ssid) {
1153 wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
1154 "configuration forced WPS to be disabled");
1155 bss->wps_state = 0;
1156 }
1157
1158 if (full_config && bss->wps_state &&
1159 bss->ssid.wep.keys_set && bss->wpa == 0) {
1160 wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
1161 "disabled");
1162 bss->wps_state = 0;
1163 }
1164
1165 if (full_config && bss->wps_state && bss->wpa &&
1166 (!(bss->wpa & 2) ||
1167 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1168 WPA_CIPHER_CCMP_256 |
1169 WPA_CIPHER_GCMP_256)))) {
1170 wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
1171 "WPA2/CCMP/GCMP forced WPS to be disabled");
1172 bss->wps_state = 0;
1173 }
1174 #endif /* CONFIG_WPS */
1175
1176 #ifdef CONFIG_HS20
1177 if (full_config && bss->hs20 &&
1178 (!(bss->wpa & 2) ||
1179 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1180 WPA_CIPHER_CCMP_256 |
1181 WPA_CIPHER_GCMP_256)))) {
1182 wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
1183 "configuration is required for Hotspot 2.0 "
1184 "functionality");
1185 return -1;
1186 }
1187 #endif /* CONFIG_HS20 */
1188
1189 #ifdef CONFIG_MBO
1190 if (full_config && bss->mbo_enabled && (bss->wpa & 2) &&
1191 bss->ieee80211w == NO_MGMT_FRAME_PROTECTION) {
1192 wpa_printf(MSG_ERROR,
1193 "MBO: PMF needs to be enabled whenever using WPA2 with MBO");
1194 return -1;
1195 }
1196 #endif /* CONFIG_MBO */
1197
1198 #ifdef CONFIG_OCV
1199 if (full_config && bss->ieee80211w == NO_MGMT_FRAME_PROTECTION &&
1200 bss->ocv) {
1201 wpa_printf(MSG_ERROR,
1202 "OCV: PMF needs to be enabled whenever using OCV");
1203 return -1;
1204 }
1205 #endif /* CONFIG_OCV */
1206
1207 return 0;
1208 }
1209
1210
hostapd_config_check_cw(struct hostapd_config * conf,int queue)1211 static int hostapd_config_check_cw(struct hostapd_config *conf, int queue)
1212 {
1213 int tx_cwmin = conf->tx_queue[queue].cwmin;
1214 int tx_cwmax = conf->tx_queue[queue].cwmax;
1215 int ac_cwmin = conf->wmm_ac_params[queue].cwmin;
1216 int ac_cwmax = conf->wmm_ac_params[queue].cwmax;
1217
1218 if (tx_cwmin > tx_cwmax) {
1219 wpa_printf(MSG_ERROR,
1220 "Invalid TX queue cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)",
1221 tx_cwmin, tx_cwmax);
1222 return -1;
1223 }
1224 if (ac_cwmin > ac_cwmax) {
1225 wpa_printf(MSG_ERROR,
1226 "Invalid WMM AC cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)",
1227 ac_cwmin, ac_cwmax);
1228 return -1;
1229 }
1230 return 0;
1231 }
1232
1233
hostapd_config_check(struct hostapd_config * conf,int full_config)1234 int hostapd_config_check(struct hostapd_config *conf, int full_config)
1235 {
1236 size_t i;
1237
1238 if (full_config && conf->ieee80211d &&
1239 (!conf->country[0] || !conf->country[1])) {
1240 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1241 "setting the country_code");
1242 return -1;
1243 }
1244
1245 if (full_config && conf->ieee80211h && !conf->ieee80211d) {
1246 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11h without "
1247 "IEEE 802.11d enabled");
1248 return -1;
1249 }
1250
1251 if (full_config && conf->local_pwr_constraint != -1 &&
1252 !conf->ieee80211d) {
1253 wpa_printf(MSG_ERROR, "Cannot add Power Constraint element without Country element");
1254 return -1;
1255 }
1256
1257 if (full_config && conf->spectrum_mgmt_required &&
1258 conf->local_pwr_constraint == -1) {
1259 wpa_printf(MSG_ERROR, "Cannot set Spectrum Management bit without Country and Power Constraint elements");
1260 return -1;
1261 }
1262
1263 #ifdef CONFIG_AIRTIME_POLICY
1264 if (full_config && conf->airtime_mode > AIRTIME_MODE_STATIC &&
1265 !conf->airtime_update_interval) {
1266 wpa_printf(MSG_ERROR, "Airtime update interval cannot be zero");
1267 return -1;
1268 }
1269 #endif /* CONFIG_AIRTIME_POLICY */
1270 for (i = 0; i < NUM_TX_QUEUES; i++) {
1271 if (hostapd_config_check_cw(conf, i))
1272 return -1;
1273 }
1274
1275 for (i = 0; i < conf->num_bss; i++) {
1276 if (hostapd_config_check_bss(conf->bss[i], conf, full_config))
1277 return -1;
1278 }
1279
1280 return 0;
1281 }
1282
1283
hostapd_set_security_params(struct hostapd_bss_config * bss,int full_config)1284 void hostapd_set_security_params(struct hostapd_bss_config *bss,
1285 int full_config)
1286 {
1287 if (bss->individual_wep_key_len == 0) {
1288 /* individual keys are not use; can use key idx0 for
1289 * broadcast keys */
1290 bss->broadcast_key_idx_min = 0;
1291 }
1292
1293 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
1294 bss->rsn_pairwise = bss->wpa_pairwise;
1295 if (bss->group_cipher)
1296 bss->wpa_group = bss->group_cipher;
1297 else
1298 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa,
1299 bss->wpa_pairwise,
1300 bss->rsn_pairwise);
1301 if (!bss->wpa_group_rekey_set)
1302 bss->wpa_group_rekey = bss->wpa_group == WPA_CIPHER_TKIP ?
1303 600 : 86400;
1304
1305 if (full_config) {
1306 bss->radius->auth_server = bss->radius->auth_servers;
1307 bss->radius->acct_server = bss->radius->acct_servers;
1308 }
1309
1310 if (bss->wpa && bss->ieee802_1x) {
1311 bss->ssid.security_policy = SECURITY_WPA;
1312 } else if (bss->wpa) {
1313 bss->ssid.security_policy = SECURITY_WPA_PSK;
1314 } else if (bss->ieee802_1x) {
1315 int cipher = WPA_CIPHER_NONE;
1316 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
1317 bss->ssid.wep.default_len = bss->default_wep_key_len;
1318 if (full_config && bss->default_wep_key_len) {
1319 cipher = bss->default_wep_key_len >= 13 ?
1320 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
1321 } else if (full_config && bss->ssid.wep.keys_set) {
1322 if (bss->ssid.wep.len[0] >= 13)
1323 cipher = WPA_CIPHER_WEP104;
1324 else
1325 cipher = WPA_CIPHER_WEP40;
1326 }
1327 bss->wpa_group = cipher;
1328 bss->wpa_pairwise = cipher;
1329 bss->rsn_pairwise = cipher;
1330 if (full_config)
1331 bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
1332 } else if (bss->ssid.wep.keys_set) {
1333 int cipher = WPA_CIPHER_WEP40;
1334 if (bss->ssid.wep.len[0] >= 13)
1335 cipher = WPA_CIPHER_WEP104;
1336 bss->ssid.security_policy = SECURITY_STATIC_WEP;
1337 bss->wpa_group = cipher;
1338 bss->wpa_pairwise = cipher;
1339 bss->rsn_pairwise = cipher;
1340 if (full_config)
1341 bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE;
1342 } else if (bss->osen) {
1343 bss->ssid.security_policy = SECURITY_OSEN;
1344 bss->wpa_group = WPA_CIPHER_CCMP;
1345 bss->wpa_pairwise = 0;
1346 bss->rsn_pairwise = WPA_CIPHER_CCMP;
1347 } else {
1348 bss->ssid.security_policy = SECURITY_PLAINTEXT;
1349 if (full_config) {
1350 bss->wpa_group = WPA_CIPHER_NONE;
1351 bss->wpa_pairwise = WPA_CIPHER_NONE;
1352 bss->rsn_pairwise = WPA_CIPHER_NONE;
1353 bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE;
1354 }
1355 }
1356 }
1357
1358
hostapd_sae_pw_id_in_use(struct hostapd_bss_config * conf)1359 int hostapd_sae_pw_id_in_use(struct hostapd_bss_config *conf)
1360 {
1361 int with_id = 0, without_id = 0;
1362 struct sae_password_entry *pw;
1363
1364 if (conf->ssid.wpa_passphrase)
1365 without_id = 1;
1366
1367 for (pw = conf->sae_passwords; pw; pw = pw->next) {
1368 if (pw->identifier)
1369 with_id = 1;
1370 else
1371 without_id = 1;
1372 if (with_id && without_id)
1373 break;
1374 }
1375
1376 if (with_id && !without_id)
1377 return 2;
1378 return with_id;
1379 }
1380