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