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[thirdparty/hostap.git] / src / ap / ap_config.c
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6fc6879b 1/*
41d719d6 2 * hostapd / Configuration helper functions
08081ad8 3 * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 7 */
8
6226e38d 9#include "utils/includes.h"
6fc6879b 10
6226e38d 11#include "utils/common.h"
03da66bd 12#include "crypto/sha1.h"
6fc6879b 13#include "radius/radius_client.h"
df84268a 14#include "common/ieee802_11_defs.h"
41d719d6 15#include "common/eapol_common.h"
91d91abf 16#include "common/dhcp.h"
03da66bd
JM		 17#include "eap_common/eap_wsc_common.h"
18#include "eap_server/eap.h"
6226e38d 19#include "wpa_auth.h"
97234b50 20#include "sta_info.h"
6226e38d 21#include "ap_config.h"
6fc6879b
JM		 22
23
6fc6879b
JM		 24static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
25{
26 struct hostapd_vlan *vlan, *prev;
27
28 vlan = bss->vlan;
29 prev = NULL;
30 while (vlan) {
31 prev = vlan;
32 vlan = vlan->next;
33 os_free(prev);
34 }
35
36 bss->vlan = NULL;
37}
38
39
6f234c1e
JM		 40#ifndef DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES
41#define DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES 0
42#endif /* DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES */
43
41d719d6 44void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
6fc6879b 45{
695dbbea
JM		 46 dl_list_init(&bss->anqp_elem);
47
6fc6879b
JM		 48 bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
49 bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
50 bss->logger_syslog = (unsigned int) -1;
51 bss->logger_stdout = (unsigned int) -1;
52
53 bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
54
55 bss->wep_rekeying_period = 300;
56 /* use key0 in individual key and key1 in broadcast key */
57 bss->broadcast_key_idx_min = 1;
58 bss->broadcast_key_idx_max = 2;
59 bss->eap_reauth_period = 3600;
60
61 bss->wpa_group_rekey = 600;
62 bss->wpa_gmk_rekey = 86400;
41f140d3
GK		 63 bss->wpa_group_update_count = 4;
64 bss->wpa_pairwise_update_count = 4;
6f234c1e
JM		 65 bss->wpa_disable_eapol_key_retries =
66 DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES;
6fc6879b
JM		 67 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
68 bss->wpa_pairwise = WPA_CIPHER_TKIP;
69 bss->wpa_group = WPA_CIPHER_TKIP;
70 bss->rsn_pairwise = 0;
71
72 bss->max_num_sta = MAX_STA_COUNT;
73
74 bss->dtim_period = 2;
75
76 bss->radius_server_auth_port = 1812;
7b0f5500 77 bss->eap_sim_db_timeout = 1;
6fc6879b
JM		 78 bss->ap_max_inactivity = AP_MAX_INACTIVITY;
79 bss->eapol_version = EAPOL_VERSION;
b0194fe0
JM		 80
81 bss->max_listen_interval = 65535;
5d22a1d5 82
df684d82
DH		 83 bss->pwd_group = 19; /* ECC: GF(p=256) */
84
5d22a1d5 85#ifdef CONFIG_IEEE80211W
45c94154
JM		 86 bss->assoc_sa_query_max_timeout = 1000;
87 bss->assoc_sa_query_retry_timeout = 201;
8dd9f9cd 88 bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
5d22a1d5 89#endif /* CONFIG_IEEE80211W */
1e5839e0 90#ifdef EAP_SERVER_FAST
378eae5e
JM		 91 /* both anonymous and authenticated provisioning */
92 bss->eap_fast_prov = 3;
a11c90a6
JM		 93 bss->pac_key_lifetime = 7 * 24 * 60 * 60;
94 bss->pac_key_refresh_time = 1 * 24 * 60 * 60;
1e5839e0 95#endif /* EAP_SERVER_FAST */
d2da2249
JB		 96
97 /* Set to -1 as defaults depends on HT in setup */
98 bss->wmm_enabled = -1;
d7956add 99
4ec1fd8e 100#ifdef CONFIG_IEEE80211R_AP
d7956add 101 bss->ft_over_ds = 1;
3a46cf93
MB		 102 bss->rkh_pos_timeout = 86400;
103 bss->rkh_neg_timeout = 60;
104 bss->rkh_pull_timeout = 1000;
105 bss->rkh_pull_retries = 4;
83fe4bd3 106 bss->r0_key_lifetime = 1209600;
4ec1fd8e 107#endif /* CONFIG_IEEE80211R_AP */
bde7ba6c
JM		 108
109 bss->radius_das_time_window = 300;
d136c376
JM		 110
111 bss->sae_anti_clogging_threshold = 5;
d8b841eb 112 bss->sae_sync = 5;
26bf70e3 113
2977f519
JM		 114 bss->gas_frag_limit = 1400;
115
26bf70e3
JM		 116#ifdef CONFIG_FILS
117 dl_list_init(&bss->fils_realms);
91d91abf
JM		 118 bss->fils_hlp_wait_time = 30;
119 bss->dhcp_server_port = DHCP_SERVER_PORT;
120 bss->dhcp_relay_port = DHCP_SERVER_PORT;
26bf70e3 121#endif /* CONFIG_FILS */
57a2aaca
JM		 122
123 bss->broadcast_deauth = 1;
941caed9
JM		 124
125#ifdef CONFIG_MBO
126 bss->mbo_cell_data_conn_pref = -1;
127#endif /* CONFIG_MBO */
6fc6879b
JM		 128}
129
130
89111f3b 131struct hostapd_config * hostapd_config_defaults(void)
6fc6879b 132{
d2da2249
JB		 133#define ecw2cw(ecw) ((1 << (ecw)) - 1)
134
6fc6879b
JM		 135 struct hostapd_config *conf;
136 struct hostapd_bss_config *bss;
594cf8b9 137 const int aCWmin = 4, aCWmax = 10;
3ae0800c 138 const struct hostapd_wmm_ac_params ac_bk =
6fc6879b 139 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
3ae0800c 140 const struct hostapd_wmm_ac_params ac_be =
6fc6879b 141 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
3ae0800c 142 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
f4e3860f 143 { aCWmin - 1, aCWmin, 2, 3008 / 32, 0 };
3ae0800c 144 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
f4e3860f 145 { aCWmin - 2, aCWmin - 1, 2, 1504 / 32, 0 };
d2da2249
JB		 146 const struct hostapd_tx_queue_params txq_bk =
147 { 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 };
148 const struct hostapd_tx_queue_params txq_be =
149 { 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0};
150 const struct hostapd_tx_queue_params txq_vi =
151 { 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30};
152 const struct hostapd_tx_queue_params txq_vo =
153 { 1, (ecw2cw(aCWmin) + 1) / 4 - 1,
154 (ecw2cw(aCWmin) + 1) / 2 - 1, 15};
155
156#undef ecw2cw
6fc6879b
JM		 157
158 conf = os_zalloc(sizeof(*conf));
159 bss = os_zalloc(sizeof(*bss));
160 if (conf == NULL || bss == NULL) {
10656fc2
JM		 161 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
162 "configuration data.");
6fc6879b
JM		 163 os_free(conf);
164 os_free(bss);
165 return NULL;
166 }
ebd79f07
JM		 167 conf->bss = os_calloc(1, sizeof(struct hostapd_bss_config *));
168 if (conf->bss == NULL) {
169 os_free(conf);
170 os_free(bss);
171 return NULL;
172 }
173 conf->bss[0] = bss;
6fc6879b 174
6fc6879b
JM		 175 bss->radius = os_zalloc(sizeof(*bss->radius));
176 if (bss->radius == NULL) {
04c366cb 177 os_free(conf->bss);
6fc6879b
JM		 178 os_free(conf);
179 os_free(bss);
180 return NULL;
181 }
182
183 hostapd_config_defaults_bss(bss);
184
185 conf->num_bss = 1;
6fc6879b
JM		 186
187 conf->beacon_int = 100;
188 conf->rts_threshold = -1; /* use driver default: 2347 */
189 conf->fragm_threshold = -1; /* user driver default: 2346 */
190 conf->send_probe_response = 1;
e0392f82
S		 191 /* Set to invalid value means do not add Power Constraint IE */
192 conf->local_pwr_constraint = -1;
6fc6879b 193
3ae0800c
JM		 194 conf->wmm_ac_params[0] = ac_be;
195 conf->wmm_ac_params[1] = ac_bk;
196 conf->wmm_ac_params[2] = ac_vi;
197 conf->wmm_ac_params[3] = ac_vo;
6fc6879b 198
d2da2249
JB		 199 conf->tx_queue[0] = txq_vo;
200 conf->tx_queue[1] = txq_vi;
201 conf->tx_queue[2] = txq_be;
202 conf->tx_queue[3] = txq_bk;
203
fc14f567 204 conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED;
de9289c8 205
f1b44874
SE		 206 conf->ap_table_max_size = 255;
207 conf->ap_table_expiration_time = 60;
a65a9b8d 208 conf->track_sta_max_age = 180;
f1b44874 209
c2aff6b1 210#ifdef CONFIG_TESTING_OPTIONS
06df2aa6
JM		 211 conf->ignore_probe_probability = 0.0;
212 conf->ignore_auth_probability = 0.0;
213 conf->ignore_assoc_probability = 0.0;
214 conf->ignore_reassoc_probability = 0.0;
215 conf->corrupt_gtk_rekey_mic_probability = 0.0;
2b6e1216 216 conf->ecsa_ie_only = 0;
c2aff6b1
JB		 217#endif /* CONFIG_TESTING_OPTIONS */
218
857d9422
MM		 219 conf->acs = 0;
220 conf->acs_ch_list.num = 0;
50f4f2a0
MK		 221#ifdef CONFIG_ACS
222 conf->acs_num_scans = 5;
223#endif /* CONFIG_ACS */
224
ff936bc7
JM		 225 /* The third octet of the country string uses an ASCII space character
226 * by default to indicate that the regulations encompass all
227 * environments for the current frequency band in the country. */
228 conf->country[2] = ' ';
229
6fc6879b
JM		 230 return conf;
231}
232
233
234int hostapd_mac_comp(const void *a, const void *b)
235{
236 return os_memcmp(a, b, sizeof(macaddr));
237}
238
239
6fc6879b
JM		 240static int hostapd_config_read_wpa_psk(const char *fname,
241 struct hostapd_ssid *ssid)
242{
243 FILE *f;
244 char buf[128], *pos;
245 int line = 0, ret = 0, len, ok;
246 u8 addr[ETH_ALEN];
247 struct hostapd_wpa_psk *psk;
248
249 if (!fname)
250 return 0;
251
252 f = fopen(fname, "r");
253 if (!f) {
10656fc2 254 wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname);
6fc6879b
JM		 255 return -1;
256 }
257
258 while (fgets(buf, sizeof(buf), f)) {
259 line++;
260
261 if (buf[0] == '#')
262 continue;
263 pos = buf;
264 while (*pos != '\0') {
265 if (*pos == '\n') {
266 *pos = '\0';
267 break;
268 }
269 pos++;
270 }
271 if (buf[0] == '\0')
272 continue;
273
274 if (hwaddr_aton(buf, addr)) {
10656fc2
JM		 275 wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on "
276 "line %d in '%s'", buf, line, fname);
6fc6879b
JM		 277 ret = -1;
278 break;
279 }
280
281 psk = os_zalloc(sizeof(*psk));
282 if (psk == NULL) {
10656fc2 283 wpa_printf(MSG_ERROR, "WPA PSK allocation failed");
6fc6879b
JM		 284 ret = -1;
285 break;
286 }
a8e16edc 287 if (is_zero_ether_addr(addr))
6fc6879b
JM		 288 psk->group = 1;
289 else
290 os_memcpy(psk->addr, addr, ETH_ALEN);
291
292 pos = buf + 17;
5306f43f 293 if (*pos == '\0') {
10656fc2
JM		 294 wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'",
295 line, fname);
6fc6879b
JM		 296 os_free(psk);
297 ret = -1;
298 break;
299 }
300 pos++;
301
302 ok = 0;
303 len = os_strlen(pos);
304 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
305 ok = 1;
306 else if (len >= 8 && len < 64) {
307 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
308 4096, psk->psk, PMK_LEN);
309 ok = 1;
310 }
311 if (!ok) {
10656fc2
JM		 312 wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in "
313 "'%s'", pos, line, fname);
6fc6879b
JM		 314 os_free(psk);
315 ret = -1;
316 break;
317 }
318
319 psk->next = ssid->wpa_psk;
320 ssid->wpa_psk = psk;
321 }
322
323 fclose(f);
324
325 return ret;
326}
327
328
0ae687bd
JM		 329static int hostapd_derive_psk(struct hostapd_ssid *ssid)
330{
331 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
332 if (ssid->wpa_psk == NULL) {
333 wpa_printf(MSG_ERROR, "Unable to alloc space for PSK");
334 return -1;
335 }
336 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
337 (u8 *) ssid->ssid, ssid->ssid_len);
338 wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)",
339 (u8 *) ssid->wpa_passphrase,
340 os_strlen(ssid->wpa_passphrase));
341 pbkdf2_sha1(ssid->wpa_passphrase,
342 ssid->ssid, ssid->ssid_len,
343 4096, ssid->wpa_psk->psk, PMK_LEN);
344 wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)",
345 ssid->wpa_psk->psk, PMK_LEN);
346 return 0;
347}
348
349
6fc6879b
JM		 350int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
351{
352 struct hostapd_ssid *ssid = &conf->ssid;
353
354 if (ssid->wpa_passphrase != NULL) {
355 if (ssid->wpa_psk != NULL) {
0ae687bd
JM		 356 wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK "
357 "instead of passphrase");
358 } else {
359 wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on "
360 "passphrase");
361 if (hostapd_derive_psk(ssid) < 0)
362 return -1;
6fc6879b 363 }
6fc6879b 364 ssid->wpa_psk->group = 1;
6fc6879b
JM		 365 }
366
34e29dfd 367 return hostapd_config_read_wpa_psk(ssid->wpa_psk_file, &conf->ssid);
6fc6879b
JM		 368}
369
370
6fc6879b
JM		 371static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
372 int num_servers)
373{
374 int i;
375
376 for (i = 0; i < num_servers; i++) {
377 os_free(servers[i].shared_secret);
378 }
379 os_free(servers);
380}
381
382
af35e7af
JM		 383struct hostapd_radius_attr *
384hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type)
385{
386 for (; attr; attr = attr->next) {
387 if (attr->type == type)
388 return attr;
389 }
390 return NULL;
391}
392
393
394static void hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr)
395{
396 struct hostapd_radius_attr *prev;
397
398 while (attr) {
399 prev = attr;
400 attr = attr->next;
401 wpabuf_free(prev->val);
402 os_free(prev);
403 }
404}
405
406
d0ee16ed 407void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
6fc6879b 408{
d0ee16ed 409 hostapd_config_free_radius_attr(user->accept_attr);
6fc6879b 410 os_free(user->identity);
b7175b4d 411 bin_clear_free(user->password, user->password_len);
6fc6879b
JM		 412 os_free(user);
413}
414
415
78022c83
JM		 416void hostapd_config_free_eap_users(struct hostapd_eap_user *user)
417{
418 struct hostapd_eap_user *prev_user;
419
420 while (user) {
421 prev_user = user;
422 user = user->next;
423 hostapd_config_free_eap_user(prev_user);
424 }
425}
426
427
6fc6879b
JM		 428static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
429{
430 int i;
431 for (i = 0; i < NUM_WEP_KEYS; i++) {
b7175b4d 432 bin_clear_free(keys->key[i], keys->len[i]);
6fc6879b
JM		 433 keys->key[i] = NULL;
434 }
435}
436
437
891dfb33
ST		 438void hostapd_config_clear_wpa_psk(struct hostapd_wpa_psk **l)
439{
440 struct hostapd_wpa_psk *psk, *tmp;
441
442 for (psk = *l; psk;) {
443 tmp = psk;
444 psk = psk->next;
445 bin_clear_free(tmp, sizeof(*tmp));
446 }
447 *l = NULL;
448}
449
450
695dbbea
JM		 451static void hostapd_config_free_anqp_elem(struct hostapd_bss_config *conf)
452{
453 struct anqp_element *elem;
454
455 while ((elem = dl_list_first(&conf->anqp_elem, struct anqp_element,
456 list))) {
457 dl_list_del(&elem->list);
458 wpabuf_free(elem->payload);
459 os_free(elem);
460 }
461}
462
463
26bf70e3
JM		 464static void hostapd_config_free_fils_realms(struct hostapd_bss_config *conf)
465{
466#ifdef CONFIG_FILS
467 struct fils_realm *realm;
468
469 while ((realm = dl_list_first(&conf->fils_realms, struct fils_realm,
470 list))) {
471 dl_list_del(&realm->list);
472 os_free(realm);
473 }
474#endif /* CONFIG_FILS */
475}
476
477
55920658 478void hostapd_config_free_bss(struct hostapd_bss_config *conf)
6fc6879b 479{
6fc6879b
JM		 480 if (conf == NULL)
481 return;
482
891dfb33 483 hostapd_config_clear_wpa_psk(&conf->ssid.wpa_psk);
6fc6879b 484
b7175b4d 485 str_clear_free(conf->ssid.wpa_passphrase);
6fc6879b 486 os_free(conf->ssid.wpa_psk_file);
43dd46b3 487 hostapd_config_free_wep(&conf->ssid.wep);
6fc6879b
JM		 488#ifdef CONFIG_FULL_DYNAMIC_VLAN
489 os_free(conf->ssid.vlan_tagged_interface);
490#endif /* CONFIG_FULL_DYNAMIC_VLAN */
491
78022c83 492 hostapd_config_free_eap_users(conf->eap_user);
ee431d77 493 os_free(conf->eap_user_sqlite);
6fc6879b 494
6fc6879b 495 os_free(conf->eap_req_id_text);
2a5156a6 496 os_free(conf->erp_domain);
6fc6879b
JM		 497 os_free(conf->accept_mac);
498 os_free(conf->deny_mac);
499 os_free(conf->nas_identifier);
5afaa067
JM		 500 if (conf->radius) {
501 hostapd_config_free_radius(conf->radius->auth_servers,
502 conf->radius->num_auth_servers);
503 hostapd_config_free_radius(conf->radius->acct_servers,
504 conf->radius->num_acct_servers);
505 }
af35e7af
JM		 506 hostapd_config_free_radius_attr(conf->radius_auth_req_attr);
507 hostapd_config_free_radius_attr(conf->radius_acct_req_attr);
6fc6879b
JM		 508 os_free(conf->rsn_preauth_interfaces);
509 os_free(conf->ctrl_interface);
510 os_free(conf->ca_cert);
511 os_free(conf->server_cert);
512 os_free(conf->private_key);
513 os_free(conf->private_key_passwd);
080585c0 514 os_free(conf->ocsp_stapling_response);
5addb0df 515 os_free(conf->ocsp_stapling_response_multi);
6fc6879b 516 os_free(conf->dh_file);
f8995f8f 517 os_free(conf->openssl_ciphers);
6fc6879b
JM		 518 os_free(conf->pac_opaque_encr_key);
519 os_free(conf->eap_fast_a_id);
2d867244 520 os_free(conf->eap_fast_a_id_info);
6fc6879b
JM		 521 os_free(conf->eap_sim_db);
522 os_free(conf->radius_server_clients);
6fc6879b 523 os_free(conf->radius);
b031338c 524 os_free(conf->radius_das_shared_secret);
6fc6879b 525 hostapd_config_free_vlan(conf);
39b97072
JM		 526 os_free(conf->time_zone);
527
4ec1fd8e 528#ifdef CONFIG_IEEE80211R_AP
6fc6879b
JM		 529 {
530 struct ft_remote_r0kh *r0kh, *r0kh_prev;
531 struct ft_remote_r1kh *r1kh, *r1kh_prev;
532
533 r0kh = conf->r0kh_list;
534 conf->r0kh_list = NULL;
535 while (r0kh) {
536 r0kh_prev = r0kh;
537 r0kh = r0kh->next;
538 os_free(r0kh_prev);
539 }
540
541 r1kh = conf->r1kh_list;
542 conf->r1kh_list = NULL;
543 while (r1kh) {
544 r1kh_prev = r1kh;
545 r1kh = r1kh->next;
546 os_free(r1kh_prev);
547 }
548 }
4ec1fd8e 549#endif /* CONFIG_IEEE80211R_AP */
ad08c363
JM		 550
551#ifdef CONFIG_WPS
552 os_free(conf->wps_pin_requests);
553 os_free(conf->device_name);
554 os_free(conf->manufacturer);
555 os_free(conf->model_name);
556 os_free(conf->model_number);
557 os_free(conf->serial_number);
ad08c363
JM		 558 os_free(conf->config_methods);
559 os_free(conf->ap_pin);
62966253 560 os_free(conf->extra_cred);
4c29cae9 561 os_free(conf->ap_settings);
f620268f
JM		 562 os_free(conf->upnp_iface);
563 os_free(conf->friendly_name);
564 os_free(conf->manufacturer_url);
565 os_free(conf->model_description);
566 os_free(conf->model_url);
567 os_free(conf->upc);
8509fb5c
JM		 568 {
569 unsigned int i;
570
571 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
572 wpabuf_free(conf->wps_vendor_ext[i]);
573 }
ffdaa05a
JM		 574 wpabuf_free(conf->wps_nfc_dh_pubkey);
575 wpabuf_free(conf->wps_nfc_dh_privkey);
576 wpabuf_free(conf->wps_nfc_dev_pw);
ad08c363 577#endif /* CONFIG_WPS */
4b2a77ab
JM		 578
579 os_free(conf->roaming_consortium);
648cc711 580 os_free(conf->venue_name);
7e1d3ee9 581 os_free(conf->venue_url);
8047b186 582 os_free(conf->nai_realm_data);
550a3958 583 os_free(conf->network_auth_type);
7515adb2 584 os_free(conf->anqp_3gpp_cell_net);
26fac8b6 585 os_free(conf->domain_name);
695dbbea 586 hostapd_config_free_anqp_elem(conf);
505a3694
JM		 587
588#ifdef CONFIG_RADIUS_TEST
589 os_free(conf->dump_msk_file);
590#endif /* CONFIG_RADIUS_TEST */
df5934f1
JK		 591
592#ifdef CONFIG_HS20
a9277e85 593 os_free(conf->hs20_oper_friendly_name);
4065a309 594 os_free(conf->hs20_wan_metrics);
5ccc54aa 595 os_free(conf->hs20_connection_capability);
df5934f1 596 os_free(conf->hs20_operating_class);
f7bd7a01 597 os_free(conf->hs20_icons);
ae6d15c7
JM		 598 if (conf->hs20_osu_providers) {
599 size_t i;
600 for (i = 0; i < conf->hs20_osu_providers_count; i++) {
601 struct hs20_osu_provider *p;
602 size_t j;
603 p = &conf->hs20_osu_providers[i];
604 os_free(p->friendly_name);
605 os_free(p->server_uri);
606 os_free(p->method_list);
607 for (j = 0; j < p->icons_count; j++)
608 os_free(p->icons[j]);
609 os_free(p->icons);
610 os_free(p->osu_nai);
611 os_free(p->service_desc);
612 }
613 os_free(conf->hs20_osu_providers);
614 }
0e450db2
JM		 615 if (conf->hs20_operator_icon) {
616 size_t i;
617
618 for (i = 0; i < conf->hs20_operator_icon_count; i++)
619 os_free(conf->hs20_operator_icon[i]);
620 os_free(conf->hs20_operator_icon);
621 }
8d2a9921 622 os_free(conf->subscr_remediation_url);
6cb8f4f3 623 os_free(conf->t_c_filename);
df5934f1 624#endif /* CONFIG_HS20 */
b52f084c
JM		 625
626 wpabuf_free(conf->vendor_elements);
a9112270 627 wpabuf_free(conf->assocresp_elements);
625f202a
JM		 628
629 os_free(conf->sae_groups);
91cc34bf
JM		 630#ifdef CONFIG_OWE
631 os_free(conf->owe_groups);
632#endif /* CONFIG_OWE */
67fe933d 633
88cb27c7
DS		 634 os_free(conf->wowlan_triggers);
635
67fe933d 636 os_free(conf->server_id);
ebd79f07 637
bc02843e
JM		 638#ifdef CONFIG_TESTING_OPTIONS
639 wpabuf_free(conf->own_ie_override);
3648d8a1 640 wpabuf_free(conf->sae_commit_override);
bc02843e
JM		 641#endif /* CONFIG_TESTING_OPTIONS */
642
964f64e2 643 os_free(conf->no_probe_resp_if_seen_on);
0e2412d0 644 os_free(conf->no_auth_if_seen_on);
964f64e2 645
26bf70e3
JM		 646 hostapd_config_free_fils_realms(conf);
647
56c75495
JM		 648#ifdef CONFIG_DPP
649 os_free(conf->dpp_connector);
650 wpabuf_free(conf->dpp_netaccesskey);
651 wpabuf_free(conf->dpp_csign);
652#endif /* CONFIG_DPP */
653
2377c1ca
JM		 654 os_free(conf->sae_password);
655
ebd79f07 656 os_free(conf);
6fc6879b
JM		 657}
658
659
1c6e69cc
JM		 660/**
661 * hostapd_config_free - Free hostapd configuration
662 * @conf: Configuration data from hostapd_config_read().
663 */
6fc6879b
JM		 664void hostapd_config_free(struct hostapd_config *conf)
665{
666 size_t i;
667
668 if (conf == NULL)
669 return;
670
671 for (i = 0; i < conf->num_bss; i++)
ebd79f07 672 hostapd_config_free_bss(conf->bss[i]);
6fc6879b 673 os_free(conf->bss);
79d6c85f
JM		 674 os_free(conf->supported_rates);
675 os_free(conf->basic_rates);
857d9422 676 os_free(conf->acs_ch_list.range);
0ecff8d7 677 os_free(conf->driver_params);
68fa00c3
JM		 678#ifdef CONFIG_ACS
679 os_free(conf->acs_chan_bias);
680#endif /* CONFIG_ACS */
74e982d8
DS		 681 wpabuf_free(conf->lci);
682 wpabuf_free(conf->civic);
6fc6879b
JM		 683
684 os_free(conf);
685}
686
687
1c6e69cc
JM		 688/**
689 * hostapd_maclist_found - Find a MAC address from a list
690 * @list: MAC address list
691 * @num_entries: Number of addresses in the list
692 * @addr: Address to search for
693 * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed
694 * Returns: 1 if address is in the list or 0 if not.
695 *
696 * Perform a binary search for given MAC address from a pre-sorted list.
697 */
271d2830 698int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
1889af2e 699 const u8 *addr, struct vlan_description *vlan_id)
6fc6879b
JM		 700{
701 int start, end, middle, res;
702
703 start = 0;
704 end = num_entries - 1;
705
706 while (start <= end) {
707 middle = (start + end) / 2;
271d2830
JM		 708 res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
709 if (res == 0) {
710 if (vlan_id)
711 *vlan_id = list[middle].vlan_id;
6fc6879b 712 return 1;
271d2830 713 }
6fc6879b
JM		 714 if (res < 0)
715 start = middle + 1;
716 else
717 end = middle - 1;
718 }
719
720 return 0;
721}
722
723
724int hostapd_rate_found(int *list, int rate)
725{
726 int i;
727
728 if (list == NULL)
729 return 0;
730
731 for (i = 0; list[i] >= 0; i++)
732 if (list[i] == rate)
733 return 1;
734
735 return 0;
736}
737
738
1889af2e
MB		 739int hostapd_vlan_valid(struct hostapd_vlan *vlan,
740 struct vlan_description *vlan_desc)
6fc6879b
JM		 741{
742 struct hostapd_vlan *v = vlan;
8e44c192 743 int i;
1889af2e 744
8e44c192 745 if (!vlan_desc->notempty || vlan_desc->untagged < 0 ||
1889af2e
MB		 746 vlan_desc->untagged > MAX_VLAN_ID)
747 return 0;
8e44c192
MB		 748 for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) {
749 if (vlan_desc->tagged[i] < 0 ||
750 vlan_desc->tagged[i] > MAX_VLAN_ID)
751 return 0;
752 }
753 if (!vlan_desc->untagged && !vlan_desc->tagged[0])
754 return 0;
1889af2e 755
6fc6879b 756 while (v) {
1889af2e
MB		 757 if (!vlan_compare(&v->vlan_desc, vlan_desc) ||
758 v->vlan_id == VLAN_ID_WILDCARD)
80ebfd95
MB		 759 return 1;
760 v = v->next;
761 }
762 return 0;
763}
764
765
766const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
767{
768 struct hostapd_vlan *v = vlan;
769 while (v) {
770 if (v->vlan_id == vlan_id)
6fc6879b
JM		 771 return v->ifname;
772 v = v->next;
773 }
774 return NULL;
775}
776
777
778const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
759fd76b
JM		 779 const u8 *addr, const u8 *p2p_dev_addr,
780 const u8 *prev_psk)
6fc6879b
JM		 781{
782 struct hostapd_wpa_psk *psk;
783 int next_ok = prev_psk == NULL;
784
dc87541e 785 if (p2p_dev_addr && !is_zero_ether_addr(p2p_dev_addr)) {
759fd76b
JM		 786 wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR
787 " p2p_dev_addr=" MACSTR " prev_psk=%p",
788 MAC2STR(addr), MAC2STR(p2p_dev_addr), prev_psk);
dc87541e 789 addr = NULL; /* Use P2P Device Address for matching */
759fd76b
JM		 790 } else {
791 wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR
792 " prev_psk=%p",
793 MAC2STR(addr), prev_psk);
794 }
795
6fc6879b
JM		 796 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
797 if (next_ok &&
759fd76b
JM		 798 (psk->group ||
799 (addr && os_memcmp(psk->addr, addr, ETH_ALEN) == 0) ||
800 (!addr && p2p_dev_addr &&
801 os_memcmp(psk->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) ==
802 0)))
6fc6879b
JM		 803 return psk->psk;
804
805 if (psk->psk == prev_psk)
806 next_ok = 1;
807 }
808
809 return NULL;
810}
eff0fd1e
JM		 811
812
813static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
08081ad8
JM		 814 struct hostapd_config *conf,
815 int full_config)
eff0fd1e 816{
08081ad8 817 if (full_config && bss->ieee802_1x && !bss->eap_server &&
eff0fd1e
JM		 818 !bss->radius->auth_servers) {
819 wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no "
820 "EAP authenticator configured).");
821 return -1;
822 }
823
824 if (bss->wpa) {
825 int wep, i;
826
827 wep = bss->default_wep_key_len > 0 ||
828 bss->individual_wep_key_len > 0;
829 for (i = 0; i < NUM_WEP_KEYS; i++) {
830 if (bss->ssid.wep.keys_set) {
831 wep = 1;
832 break;
833 }
834 }
835
836 if (wep) {
837 wpa_printf(MSG_ERROR, "WEP configuration in a WPA network is not supported");
838 return -1;
839 }
840 }
841
08081ad8
JM		 842 if (full_config && bss->wpa &&
843 bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
eff0fd1e
JM		 844 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
845 wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no "
846 "RADIUS checking (macaddr_acl=2) enabled.");
847 return -1;
848 }
849
08081ad8 850 if (full_config && bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) &&
eff0fd1e
JM		 851 bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL &&
852 bss->ssid.wpa_psk_file == NULL &&
853 (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED ||
854 bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) {
855 wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase "
856 "is not configured.");
857 return -1;
858 }
859
902c07a7 860 if (full_config && !is_zero_ether_addr(bss->bssid)) {
eff0fd1e
JM		 861 size_t i;
862
863 for (i = 0; i < conf->num_bss; i++) {
864 if (conf->bss[i] != bss &&
865 (hostapd_mac_comp(conf->bss[i]->bssid,
866 bss->bssid) == 0)) {
867 wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR
868 " on interface '%s' and '%s'.",
869 MAC2STR(bss->bssid),
870 conf->bss[i]->iface, bss->iface);
871 return -1;
872 }
873 }
874 }
875
4ec1fd8e 876#ifdef CONFIG_IEEE80211R_AP
08081ad8 877 if (full_config && wpa_key_mgmt_ft(bss->wpa_key_mgmt) &&
eff0fd1e
JM		 878 (bss->nas_identifier == NULL ||
879 os_strlen(bss->nas_identifier) < 1 ||
880 os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) {
881 wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires "
882 "nas_identifier to be configured as a 1..48 octet "
883 "string");
884 return -1;
885 }
4ec1fd8e 886#endif /* CONFIG_IEEE80211R_AP */
eff0fd1e
JM		 887
888#ifdef CONFIG_IEEE80211N
08081ad8
JM		 889 if (full_config && conf->ieee80211n &&
890 conf->hw_mode == HOSTAPD_MODE_IEEE80211B) {
eff0fd1e
JM		 891 bss->disable_11n = 1;
892 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not "
8c6f4a5a 893 "allowed, disabling HT capabilities");
eff0fd1e
JM		 894 }
895
08081ad8 896 if (full_config && conf->ieee80211n &&
eff0fd1e
JM		 897 bss->ssid.security_policy == SECURITY_STATIC_WEP) {
898 bss->disable_11n = 1;
899 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not "
900 "allowed, disabling HT capabilities");
901 }
902
08081ad8 903 if (full_config && conf->ieee80211n && bss->wpa &&
eff0fd1e 904 !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
30675c34
JM		 905 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
906 WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256)))
907 {
eff0fd1e
JM		 908 bss->disable_11n = 1;
909 wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 "
910 "requires CCMP/GCMP to be enabled, disabling HT "
911 "capabilities");
912 }
913#endif /* CONFIG_IEEE80211N */
914
551817a5
WG		 915#ifdef CONFIG_IEEE80211AC
916 if (full_config && conf->ieee80211ac &&
917 bss->ssid.security_policy == SECURITY_STATIC_WEP) {
918 bss->disable_11ac = 1;
919 wpa_printf(MSG_ERROR,
920 "VHT (IEEE 802.11ac) with WEP is not allowed, disabling VHT capabilities");
921 }
59d7cff7
FM		 922
923 if (full_config && conf->ieee80211ac && bss->wpa &&
924 !(bss->wpa_pairwise & WPA_CIPHER_CCMP) &&
925 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
926 WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256)))
927 {
928 bss->disable_11ac = 1;
929 wpa_printf(MSG_ERROR,
930 "VHT (IEEE 802.11ac) with WPA/WPA2 requires CCMP/GCMP to be enabled, disabling VHT capabilities");
931 }
551817a5
WG		 932#endif /* CONFIG_IEEE80211AC */
933
c201f93a 934#ifdef CONFIG_WPS
08081ad8 935 if (full_config && bss->wps_state && bss->ignore_broadcast_ssid) {
eff0fd1e
JM		 936 wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid "
937 "configuration forced WPS to be disabled");
938 bss->wps_state = 0;
939 }
940
08081ad8
JM		 941 if (full_config && bss->wps_state &&
942 bss->ssid.wep.keys_set && bss->wpa == 0) {
eff0fd1e
JM		 943 wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be "
944 "disabled");
945 bss->wps_state = 0;
946 }
947
08081ad8 948 if (full_config && bss->wps_state && bss->wpa &&
eff0fd1e 949 (!(bss->wpa & 2) ||
a2660890
SSG		 950 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
951 WPA_CIPHER_CCMP_256 |
952 WPA_CIPHER_GCMP_256)))) {
eff0fd1e 953 wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without "
01a02593 954 "WPA2/CCMP/GCMP forced WPS to be disabled");
eff0fd1e
JM		 955 bss->wps_state = 0;
956 }
c201f93a 957#endif /* CONFIG_WPS */
eff0fd1e
JM		 958
959#ifdef CONFIG_HS20
08081ad8 960 if (full_config && bss->hs20 &&
eff0fd1e 961 (!(bss->wpa & 2) ||
30675c34
JM		 962 !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
963 WPA_CIPHER_CCMP_256 |
964 WPA_CIPHER_GCMP_256)))) {
eff0fd1e
JM		 965 wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP "
966 "configuration is required for Hotspot 2.0 "
967 "functionality");
968 return -1;
969 }
970#endif /* CONFIG_HS20 */
971
4c572281
JM		 972#ifdef CONFIG_MBO
973 if (full_config && bss->mbo_enabled && (bss->wpa & 2) &&
974 bss->ieee80211w == NO_MGMT_FRAME_PROTECTION) {
975 wpa_printf(MSG_ERROR,
976 "MBO: PMF needs to be enabled whenever using WPA2 with MBO");
977 return -1;
978 }
979#endif /* CONFIG_MBO */
980
eff0fd1e
JM		 981 return 0;
982}
983
984
8884ce03
MM		 985static int hostapd_config_check_cw(struct hostapd_config *conf, int queue)
986{
987 int tx_cwmin = conf->tx_queue[queue].cwmin;
988 int tx_cwmax = conf->tx_queue[queue].cwmax;
989 int ac_cwmin = conf->wmm_ac_params[queue].cwmin;
990 int ac_cwmax = conf->wmm_ac_params[queue].cwmax;
991
992 if (tx_cwmin > tx_cwmax) {
993 wpa_printf(MSG_ERROR,
994 "Invalid TX queue cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)",
995 tx_cwmin, tx_cwmax);
996 return -1;
997 }
998 if (ac_cwmin > ac_cwmax) {
999 wpa_printf(MSG_ERROR,
1000 "Invalid WMM AC cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)",
1001 ac_cwmin, ac_cwmax);
1002 return -1;
1003 }
1004 return 0;
1005}
1006
1007
08081ad8 1008int hostapd_config_check(struct hostapd_config *conf, int full_config)
eff0fd1e
JM		 1009{
1010 size_t i;
1011
08081ad8
JM		 1012 if (full_config && conf->ieee80211d &&
1013 (!conf->country[0] || !conf->country[1])) {
eff0fd1e
JM		 1014 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without "
1015 "setting the country_code");
1016 return -1;
1017 }
1018
08081ad8 1019 if (full_config && conf->ieee80211h && !conf->ieee80211d) {
eff0fd1e
JM		 1020 wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11h without "
1021 "IEEE 802.11d enabled");
1022 return -1;
1023 }
1024
e0392f82
S		 1025 if (full_config && conf->local_pwr_constraint != -1 &&
1026 !conf->ieee80211d) {
1027 wpa_printf(MSG_ERROR, "Cannot add Power Constraint element without Country element");
1028 return -1;
1029 }
1030
3d7ad2f6
C		 1031 if (full_config && conf->spectrum_mgmt_required &&
1032 conf->local_pwr_constraint == -1) {
1033 wpa_printf(MSG_ERROR, "Cannot set Spectrum Management bit without Country and Power Constraint elements");
1034 return -1;
1035 }
1036
8884ce03
MM		 1037 for (i = 0; i < NUM_TX_QUEUES; i++) {
1038 if (hostapd_config_check_cw(conf, i))
1039 return -1;
1040 }
1041
eff0fd1e 1042 for (i = 0; i < conf->num_bss; i++) {
08081ad8 1043 if (hostapd_config_check_bss(conf->bss[i], conf, full_config))
eff0fd1e
JM		 1044 return -1;
1045 }
1046
1047 return 0;
1048}
1049
1050
5d67bf15
JM		 1051void hostapd_set_security_params(struct hostapd_bss_config *bss,
1052 int full_config)
eff0fd1e
JM		 1053{
1054 if (bss->individual_wep_key_len == 0) {
1055 /* individual keys are not use; can use key idx0 for
1056 * broadcast keys */
1057 bss->broadcast_key_idx_min = 0;
1058 }
1059
1060 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
1061 bss->rsn_pairwise = bss->wpa_pairwise;
27781c0a
JM		 1062 if (bss->group_cipher)
1063 bss->wpa_group = bss->group_cipher;
1064 else
1065 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa,
1066 bss->wpa_pairwise,
1067 bss->rsn_pairwise);
90f837b0
JM		 1068 if (!bss->wpa_group_rekey_set)
1069 bss->wpa_group_rekey = bss->wpa_group == WPA_CIPHER_TKIP ?
1070 600 : 86400;
eff0fd1e 1071
5d67bf15
JM		 1072 if (full_config) {
1073 bss->radius->auth_server = bss->radius->auth_servers;
1074 bss->radius->acct_server = bss->radius->acct_servers;
1075 }
eff0fd1e
JM		 1076
1077 if (bss->wpa && bss->ieee802_1x) {
1078 bss->ssid.security_policy = SECURITY_WPA;
1079 } else if (bss->wpa) {
1080 bss->ssid.security_policy = SECURITY_WPA_PSK;
1081 } else if (bss->ieee802_1x) {
1082 int cipher = WPA_CIPHER_NONE;
1083 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
1084 bss->ssid.wep.default_len = bss->default_wep_key_len;
13a3a20d 1085 if (full_config && bss->default_wep_key_len) {
eff0fd1e
JM		 1086 cipher = bss->default_wep_key_len >= 13 ?
1087 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
13a3a20d
JM		 1088 } else if (full_config && bss->ssid.wep.keys_set) {
1089 if (bss->ssid.wep.len[0] >= 13)
1090 cipher = WPA_CIPHER_WEP104;
1091 else
1092 cipher = WPA_CIPHER_WEP40;
1093 }
eff0fd1e
JM		 1094 bss->wpa_group = cipher;
1095 bss->wpa_pairwise = cipher;
1096 bss->rsn_pairwise = cipher;
13a3a20d
JM		 1097 if (full_config)
1098 bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
eff0fd1e
JM		 1099 } else if (bss->ssid.wep.keys_set) {
1100 int cipher = WPA_CIPHER_WEP40;
1101 if (bss->ssid.wep.len[0] >= 13)
1102 cipher = WPA_CIPHER_WEP104;
1103 bss->ssid.security_policy = SECURITY_STATIC_WEP;
1104 bss->wpa_group = cipher;
1105 bss->wpa_pairwise = cipher;
1106 bss->rsn_pairwise = cipher;
13a3a20d
JM		 1107 if (full_config)
1108 bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE;
a14896e8
JM		 1109 } else if (bss->osen) {
1110 bss->ssid.security_policy = SECURITY_OSEN;
1111 bss->wpa_group = WPA_CIPHER_CCMP;
1112 bss->wpa_pairwise = 0;
1113 bss->rsn_pairwise = WPA_CIPHER_CCMP;
eff0fd1e
JM		 1114 } else {
1115 bss->ssid.security_policy = SECURITY_PLAINTEXT;
29767152
JM		 1116 if (full_config) {
1117 bss->wpa_group = WPA_CIPHER_NONE;
1118 bss->wpa_pairwise = WPA_CIPHER_NONE;
1119 bss->rsn_pairwise = WPA_CIPHER_NONE;
13a3a20d 1120 bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE;
29767152 1121 }
eff0fd1e
JM		 1122 }
1123}
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