src/ap/ap_config.c

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