1214501Srpaulo/* 2214501Srpaulo * hostapd / Configuration helper functions 3281806Srpaulo * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi> 4214501Srpaulo * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7214501Srpaulo */ 8214501Srpaulo 9214501Srpaulo#include "utils/includes.h" 10214501Srpaulo 11214501Srpaulo#include "utils/common.h" 12214501Srpaulo#include "crypto/sha1.h" 13346981Scy#include "crypto/tls.h" 14214501Srpaulo#include "radius/radius_client.h" 15214501Srpaulo#include "common/ieee802_11_defs.h" 16351611Scy#include "common/ieee802_1x_defs.h" 17214501Srpaulo#include "common/eapol_common.h" 18346981Scy#include "common/dhcp.h" 19214501Srpaulo#include "eap_common/eap_wsc_common.h" 20214501Srpaulo#include "eap_server/eap.h" 21214501Srpaulo#include "wpa_auth.h" 22214501Srpaulo#include "sta_info.h" 23351611Scy#include "airtime_policy.h" 24214501Srpaulo#include "ap_config.h" 25214501Srpaulo 26214501Srpaulo 27214501Srpaulostatic void hostapd_config_free_vlan(struct hostapd_bss_config *bss) 28214501Srpaulo{ 29214501Srpaulo struct hostapd_vlan *vlan, *prev; 30214501Srpaulo 31214501Srpaulo vlan = bss->vlan; 32214501Srpaulo prev = NULL; 33214501Srpaulo while (vlan) { 34214501Srpaulo prev = vlan; 35214501Srpaulo vlan = vlan->next; 36214501Srpaulo os_free(prev); 37214501Srpaulo } 38214501Srpaulo 39214501Srpaulo bss->vlan = NULL; 40214501Srpaulo} 41214501Srpaulo 42214501Srpaulo 43346981Scy#ifndef DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES 44346981Scy#define DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES 0 45346981Scy#endif /* DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES */ 46346981Scy 47214501Srpaulovoid hostapd_config_defaults_bss(struct hostapd_bss_config *bss) 48214501Srpaulo{ 49337817Scy dl_list_init(&bss->anqp_elem); 50337817Scy 51214501Srpaulo bss->logger_syslog_level = HOSTAPD_LEVEL_INFO; 52214501Srpaulo bss->logger_stdout_level = HOSTAPD_LEVEL_INFO; 53214501Srpaulo bss->logger_syslog = (unsigned int) -1; 54214501Srpaulo bss->logger_stdout = (unsigned int) -1; 55214501Srpaulo 56214501Srpaulo bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED; 57214501Srpaulo 58214501Srpaulo bss->wep_rekeying_period = 300; 59214501Srpaulo /* use key0 in individual key and key1 in broadcast key */ 60214501Srpaulo bss->broadcast_key_idx_min = 1; 61214501Srpaulo bss->broadcast_key_idx_max = 2; 62214501Srpaulo bss->eap_reauth_period = 3600; 63214501Srpaulo 64214501Srpaulo bss->wpa_group_rekey = 600; 65214501Srpaulo bss->wpa_gmk_rekey = 86400; 66346981Scy bss->wpa_group_update_count = 4; 67346981Scy bss->wpa_pairwise_update_count = 4; 68346981Scy bss->wpa_disable_eapol_key_retries = 69346981Scy DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES; 70214501Srpaulo bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK; 71214501Srpaulo bss->wpa_pairwise = WPA_CIPHER_TKIP; 72214501Srpaulo bss->wpa_group = WPA_CIPHER_TKIP; 73214501Srpaulo bss->rsn_pairwise = 0; 74214501Srpaulo 75214501Srpaulo bss->max_num_sta = MAX_STA_COUNT; 76214501Srpaulo 77214501Srpaulo bss->dtim_period = 2; 78214501Srpaulo 79214501Srpaulo bss->radius_server_auth_port = 1812; 80337817Scy bss->eap_sim_db_timeout = 1; 81351611Scy bss->eap_sim_id = 3; 82214501Srpaulo bss->ap_max_inactivity = AP_MAX_INACTIVITY; 83214501Srpaulo bss->eapol_version = EAPOL_VERSION; 84214501Srpaulo 85214501Srpaulo bss->max_listen_interval = 65535; 86214501Srpaulo 87252726Srpaulo bss->pwd_group = 19; /* ECC: GF(p=256) */ 88252726Srpaulo 89214501Srpaulo#ifdef CONFIG_IEEE80211W 90214501Srpaulo bss->assoc_sa_query_max_timeout = 1000; 91214501Srpaulo bss->assoc_sa_query_retry_timeout = 201; 92281806Srpaulo bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC; 93214501Srpaulo#endif /* CONFIG_IEEE80211W */ 94214501Srpaulo#ifdef EAP_SERVER_FAST 95214501Srpaulo /* both anonymous and authenticated provisioning */ 96214501Srpaulo bss->eap_fast_prov = 3; 97214501Srpaulo bss->pac_key_lifetime = 7 * 24 * 60 * 60; 98214501Srpaulo bss->pac_key_refresh_time = 1 * 24 * 60 * 60; 99214501Srpaulo#endif /* EAP_SERVER_FAST */ 100252726Srpaulo 101252726Srpaulo /* Set to -1 as defaults depends on HT in setup */ 102252726Srpaulo bss->wmm_enabled = -1; 103252726Srpaulo 104346981Scy#ifdef CONFIG_IEEE80211R_AP 105252726Srpaulo bss->ft_over_ds = 1; 106346981Scy bss->rkh_pos_timeout = 86400; 107346981Scy bss->rkh_neg_timeout = 60; 108346981Scy bss->rkh_pull_timeout = 1000; 109346981Scy bss->rkh_pull_retries = 4; 110346981Scy bss->r0_key_lifetime = 1209600; 111346981Scy#endif /* CONFIG_IEEE80211R_AP */ 112252726Srpaulo 113252726Srpaulo bss->radius_das_time_window = 300; 114281806Srpaulo 115281806Srpaulo bss->sae_anti_clogging_threshold = 5; 116346981Scy bss->sae_sync = 5; 117346981Scy 118346981Scy bss->gas_frag_limit = 1400; 119346981Scy 120346981Scy#ifdef CONFIG_FILS 121346981Scy dl_list_init(&bss->fils_realms); 122346981Scy bss->fils_hlp_wait_time = 30; 123346981Scy bss->dhcp_server_port = DHCP_SERVER_PORT; 124346981Scy bss->dhcp_relay_port = DHCP_SERVER_PORT; 125346981Scy#endif /* CONFIG_FILS */ 126346981Scy 127346981Scy bss->broadcast_deauth = 1; 128346981Scy 129346981Scy#ifdef CONFIG_MBO 130346981Scy bss->mbo_cell_data_conn_pref = -1; 131346981Scy#endif /* CONFIG_MBO */ 132346981Scy 133346981Scy /* Disable TLS v1.3 by default for now to avoid interoperability issue. 134346981Scy * This can be enabled by default once the implementation has been fully 135346981Scy * completed and tested with other implementations. */ 136346981Scy bss->tls_flags = TLS_CONN_DISABLE_TLSv1_3; 137346981Scy 138346981Scy bss->send_probe_response = 1; 139346981Scy 140346981Scy#ifdef CONFIG_HS20 141346981Scy bss->hs20_release = (HS20_VERSION >> 4) + 1; 142346981Scy#endif /* CONFIG_HS20 */ 143346981Scy 144351611Scy#ifdef CONFIG_MACSEC 145351611Scy bss->mka_priority = DEFAULT_PRIO_NOT_KEY_SERVER; 146351611Scy bss->macsec_port = 1; 147351611Scy#endif /* CONFIG_MACSEC */ 148351611Scy 149346981Scy /* Default to strict CRL checking. */ 150346981Scy bss->check_crl_strict = 1; 151214501Srpaulo} 152214501Srpaulo 153214501Srpaulo 154214501Srpaulostruct hostapd_config * hostapd_config_defaults(void) 155214501Srpaulo{ 156252726Srpaulo#define ecw2cw(ecw) ((1 << (ecw)) - 1) 157252726Srpaulo 158214501Srpaulo struct hostapd_config *conf; 159214501Srpaulo struct hostapd_bss_config *bss; 160214501Srpaulo const int aCWmin = 4, aCWmax = 10; 161214501Srpaulo const struct hostapd_wmm_ac_params ac_bk = 162214501Srpaulo { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ 163214501Srpaulo const struct hostapd_wmm_ac_params ac_be = 164214501Srpaulo { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ 165214501Srpaulo const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ 166281806Srpaulo { aCWmin - 1, aCWmin, 2, 3008 / 32, 0 }; 167214501Srpaulo const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ 168281806Srpaulo { aCWmin - 2, aCWmin - 1, 2, 1504 / 32, 0 }; 169252726Srpaulo const struct hostapd_tx_queue_params txq_bk = 170252726Srpaulo { 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 }; 171252726Srpaulo const struct hostapd_tx_queue_params txq_be = 172252726Srpaulo { 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0}; 173252726Srpaulo const struct hostapd_tx_queue_params txq_vi = 174252726Srpaulo { 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30}; 175252726Srpaulo const struct hostapd_tx_queue_params txq_vo = 176252726Srpaulo { 1, (ecw2cw(aCWmin) + 1) / 4 - 1, 177252726Srpaulo (ecw2cw(aCWmin) + 1) / 2 - 1, 15}; 178214501Srpaulo 179252726Srpaulo#undef ecw2cw 180252726Srpaulo 181214501Srpaulo conf = os_zalloc(sizeof(*conf)); 182214501Srpaulo bss = os_zalloc(sizeof(*bss)); 183214501Srpaulo if (conf == NULL || bss == NULL) { 184214501Srpaulo wpa_printf(MSG_ERROR, "Failed to allocate memory for " 185214501Srpaulo "configuration data."); 186214501Srpaulo os_free(conf); 187214501Srpaulo os_free(bss); 188214501Srpaulo return NULL; 189214501Srpaulo } 190281806Srpaulo conf->bss = os_calloc(1, sizeof(struct hostapd_bss_config *)); 191281806Srpaulo if (conf->bss == NULL) { 192281806Srpaulo os_free(conf); 193281806Srpaulo os_free(bss); 194281806Srpaulo return NULL; 195281806Srpaulo } 196281806Srpaulo conf->bss[0] = bss; 197214501Srpaulo 198214501Srpaulo bss->radius = os_zalloc(sizeof(*bss->radius)); 199214501Srpaulo if (bss->radius == NULL) { 200281806Srpaulo os_free(conf->bss); 201214501Srpaulo os_free(conf); 202214501Srpaulo os_free(bss); 203214501Srpaulo return NULL; 204214501Srpaulo } 205214501Srpaulo 206214501Srpaulo hostapd_config_defaults_bss(bss); 207214501Srpaulo 208214501Srpaulo conf->num_bss = 1; 209214501Srpaulo 210214501Srpaulo conf->beacon_int = 100; 211346981Scy conf->rts_threshold = -2; /* use driver default: 2347 */ 212346981Scy conf->fragm_threshold = -2; /* user driver default: 2346 */ 213281806Srpaulo /* Set to invalid value means do not add Power Constraint IE */ 214281806Srpaulo conf->local_pwr_constraint = -1; 215214501Srpaulo 216214501Srpaulo conf->wmm_ac_params[0] = ac_be; 217214501Srpaulo conf->wmm_ac_params[1] = ac_bk; 218214501Srpaulo conf->wmm_ac_params[2] = ac_vi; 219214501Srpaulo conf->wmm_ac_params[3] = ac_vo; 220214501Srpaulo 221252726Srpaulo conf->tx_queue[0] = txq_vo; 222252726Srpaulo conf->tx_queue[1] = txq_vi; 223252726Srpaulo conf->tx_queue[2] = txq_be; 224252726Srpaulo conf->tx_queue[3] = txq_bk; 225252726Srpaulo 226214501Srpaulo conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED; 227214501Srpaulo 228252726Srpaulo conf->ap_table_max_size = 255; 229252726Srpaulo conf->ap_table_expiration_time = 60; 230289549Srpaulo conf->track_sta_max_age = 180; 231252726Srpaulo 232281806Srpaulo#ifdef CONFIG_TESTING_OPTIONS 233281806Srpaulo conf->ignore_probe_probability = 0.0; 234281806Srpaulo conf->ignore_auth_probability = 0.0; 235281806Srpaulo conf->ignore_assoc_probability = 0.0; 236281806Srpaulo conf->ignore_reassoc_probability = 0.0; 237281806Srpaulo conf->corrupt_gtk_rekey_mic_probability = 0.0; 238337817Scy conf->ecsa_ie_only = 0; 239281806Srpaulo#endif /* CONFIG_TESTING_OPTIONS */ 240281806Srpaulo 241289549Srpaulo conf->acs = 0; 242289549Srpaulo conf->acs_ch_list.num = 0; 243281806Srpaulo#ifdef CONFIG_ACS 244281806Srpaulo conf->acs_num_scans = 5; 245281806Srpaulo#endif /* CONFIG_ACS */ 246281806Srpaulo 247351611Scy#ifdef CONFIG_IEEE80211AX 248351611Scy conf->he_op.he_rts_threshold = HE_OPERATION_RTS_THRESHOLD_MASK >> 249351611Scy HE_OPERATION_RTS_THRESHOLD_OFFSET; 250351611Scy /* Set default basic MCS/NSS set to single stream MCS 0-7 */ 251351611Scy conf->he_op.he_basic_mcs_nss_set = 0xfffc; 252351611Scy#endif /* CONFIG_IEEE80211AX */ 253351611Scy 254346981Scy /* The third octet of the country string uses an ASCII space character 255346981Scy * by default to indicate that the regulations encompass all 256346981Scy * environments for the current frequency band in the country. */ 257346981Scy conf->country[2] = ' '; 258346981Scy 259346981Scy conf->rssi_reject_assoc_rssi = 0; 260346981Scy conf->rssi_reject_assoc_timeout = 30; 261346981Scy 262351611Scy#ifdef CONFIG_AIRTIME_POLICY 263351611Scy conf->airtime_update_interval = AIRTIME_DEFAULT_UPDATE_INTERVAL; 264351611Scy#endif /* CONFIG_AIRTIME_POLICY */ 265351611Scy 266214501Srpaulo return conf; 267214501Srpaulo} 268214501Srpaulo 269214501Srpaulo 270214501Srpauloint hostapd_mac_comp(const void *a, const void *b) 271214501Srpaulo{ 272214501Srpaulo return os_memcmp(a, b, sizeof(macaddr)); 273214501Srpaulo} 274214501Srpaulo 275214501Srpaulo 276214501Srpaulostatic int hostapd_config_read_wpa_psk(const char *fname, 277214501Srpaulo struct hostapd_ssid *ssid) 278214501Srpaulo{ 279214501Srpaulo FILE *f; 280214501Srpaulo char buf[128], *pos; 281346981Scy const char *keyid; 282346981Scy char *context; 283346981Scy char *context2; 284346981Scy char *token; 285346981Scy char *name; 286346981Scy char *value; 287214501Srpaulo int line = 0, ret = 0, len, ok; 288214501Srpaulo u8 addr[ETH_ALEN]; 289214501Srpaulo struct hostapd_wpa_psk *psk; 290214501Srpaulo 291214501Srpaulo if (!fname) 292214501Srpaulo return 0; 293214501Srpaulo 294214501Srpaulo f = fopen(fname, "r"); 295214501Srpaulo if (!f) { 296214501Srpaulo wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname); 297214501Srpaulo return -1; 298214501Srpaulo } 299214501Srpaulo 300214501Srpaulo while (fgets(buf, sizeof(buf), f)) { 301346981Scy int vlan_id = 0; 302346981Scy 303214501Srpaulo line++; 304214501Srpaulo 305214501Srpaulo if (buf[0] == '#') 306214501Srpaulo continue; 307214501Srpaulo pos = buf; 308214501Srpaulo while (*pos != '\0') { 309214501Srpaulo if (*pos == '\n') { 310214501Srpaulo *pos = '\0'; 311214501Srpaulo break; 312214501Srpaulo } 313214501Srpaulo pos++; 314214501Srpaulo } 315214501Srpaulo if (buf[0] == '\0') 316214501Srpaulo continue; 317214501Srpaulo 318346981Scy context = NULL; 319346981Scy keyid = NULL; 320346981Scy while ((token = str_token(buf, " ", &context))) { 321346981Scy if (!os_strchr(token, '=')) 322346981Scy break; 323346981Scy context2 = NULL; 324346981Scy name = str_token(token, "=", &context2); 325346981Scy if (!name) 326346981Scy break; 327346981Scy value = str_token(token, "", &context2); 328346981Scy if (!value) 329346981Scy value = ""; 330346981Scy if (!os_strcmp(name, "keyid")) { 331346981Scy keyid = value; 332346981Scy } else if (!os_strcmp(name, "vlanid")) { 333346981Scy vlan_id = atoi(value); 334346981Scy } else { 335346981Scy wpa_printf(MSG_ERROR, 336346981Scy "Unrecognized '%s=%s' on line %d in '%s'", 337346981Scy name, value, line, fname); 338346981Scy ret = -1; 339346981Scy break; 340346981Scy } 341346981Scy } 342346981Scy 343346981Scy if (ret == -1) 344346981Scy break; 345346981Scy 346346981Scy if (!token) 347346981Scy token = ""; 348346981Scy if (hwaddr_aton(token, addr)) { 349214501Srpaulo wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on " 350346981Scy "line %d in '%s'", token, line, fname); 351214501Srpaulo ret = -1; 352214501Srpaulo break; 353214501Srpaulo } 354214501Srpaulo 355214501Srpaulo psk = os_zalloc(sizeof(*psk)); 356214501Srpaulo if (psk == NULL) { 357214501Srpaulo wpa_printf(MSG_ERROR, "WPA PSK allocation failed"); 358214501Srpaulo ret = -1; 359214501Srpaulo break; 360214501Srpaulo } 361346981Scy psk->vlan_id = vlan_id; 362214501Srpaulo if (is_zero_ether_addr(addr)) 363214501Srpaulo psk->group = 1; 364214501Srpaulo else 365214501Srpaulo os_memcpy(psk->addr, addr, ETH_ALEN); 366214501Srpaulo 367346981Scy pos = str_token(buf, "", &context); 368346981Scy if (!pos) { 369214501Srpaulo wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'", 370214501Srpaulo line, fname); 371214501Srpaulo os_free(psk); 372214501Srpaulo ret = -1; 373214501Srpaulo break; 374214501Srpaulo } 375214501Srpaulo 376214501Srpaulo ok = 0; 377214501Srpaulo len = os_strlen(pos); 378214501Srpaulo if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0) 379214501Srpaulo ok = 1; 380214501Srpaulo else if (len >= 8 && len < 64) { 381214501Srpaulo pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len, 382214501Srpaulo 4096, psk->psk, PMK_LEN); 383214501Srpaulo ok = 1; 384214501Srpaulo } 385214501Srpaulo if (!ok) { 386214501Srpaulo wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in " 387214501Srpaulo "'%s'", pos, line, fname); 388214501Srpaulo os_free(psk); 389214501Srpaulo ret = -1; 390214501Srpaulo break; 391214501Srpaulo } 392214501Srpaulo 393346981Scy if (keyid) { 394346981Scy len = os_strlcpy(psk->keyid, keyid, sizeof(psk->keyid)); 395346981Scy if ((size_t) len >= sizeof(psk->keyid)) { 396346981Scy wpa_printf(MSG_ERROR, 397346981Scy "PSK keyid too long on line %d in '%s'", 398346981Scy line, fname); 399346981Scy os_free(psk); 400346981Scy ret = -1; 401346981Scy break; 402346981Scy } 403346981Scy } 404346981Scy 405214501Srpaulo psk->next = ssid->wpa_psk; 406214501Srpaulo ssid->wpa_psk = psk; 407214501Srpaulo } 408214501Srpaulo 409214501Srpaulo fclose(f); 410214501Srpaulo 411214501Srpaulo return ret; 412214501Srpaulo} 413214501Srpaulo 414214501Srpaulo 415214501Srpaulostatic int hostapd_derive_psk(struct hostapd_ssid *ssid) 416214501Srpaulo{ 417214501Srpaulo ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk)); 418214501Srpaulo if (ssid->wpa_psk == NULL) { 419214501Srpaulo wpa_printf(MSG_ERROR, "Unable to alloc space for PSK"); 420214501Srpaulo return -1; 421214501Srpaulo } 422214501Srpaulo wpa_hexdump_ascii(MSG_DEBUG, "SSID", 423214501Srpaulo (u8 *) ssid->ssid, ssid->ssid_len); 424214501Srpaulo wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)", 425214501Srpaulo (u8 *) ssid->wpa_passphrase, 426214501Srpaulo os_strlen(ssid->wpa_passphrase)); 427214501Srpaulo pbkdf2_sha1(ssid->wpa_passphrase, 428214501Srpaulo ssid->ssid, ssid->ssid_len, 429214501Srpaulo 4096, ssid->wpa_psk->psk, PMK_LEN); 430214501Srpaulo wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)", 431214501Srpaulo ssid->wpa_psk->psk, PMK_LEN); 432214501Srpaulo return 0; 433214501Srpaulo} 434214501Srpaulo 435214501Srpaulo 436214501Srpauloint hostapd_setup_wpa_psk(struct hostapd_bss_config *conf) 437214501Srpaulo{ 438214501Srpaulo struct hostapd_ssid *ssid = &conf->ssid; 439214501Srpaulo 440214501Srpaulo if (ssid->wpa_passphrase != NULL) { 441214501Srpaulo if (ssid->wpa_psk != NULL) { 442214501Srpaulo wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK " 443214501Srpaulo "instead of passphrase"); 444214501Srpaulo } else { 445214501Srpaulo wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on " 446214501Srpaulo "passphrase"); 447214501Srpaulo if (hostapd_derive_psk(ssid) < 0) 448214501Srpaulo return -1; 449214501Srpaulo } 450214501Srpaulo ssid->wpa_psk->group = 1; 451214501Srpaulo } 452214501Srpaulo 453346981Scy return hostapd_config_read_wpa_psk(ssid->wpa_psk_file, &conf->ssid); 454214501Srpaulo} 455214501Srpaulo 456214501Srpaulo 457214501Srpaulostatic void hostapd_config_free_radius(struct hostapd_radius_server *servers, 458214501Srpaulo int num_servers) 459214501Srpaulo{ 460214501Srpaulo int i; 461214501Srpaulo 462214501Srpaulo for (i = 0; i < num_servers; i++) { 463214501Srpaulo os_free(servers[i].shared_secret); 464214501Srpaulo } 465214501Srpaulo os_free(servers); 466214501Srpaulo} 467214501Srpaulo 468214501Srpaulo 469252726Srpaulostruct hostapd_radius_attr * 470252726Srpaulohostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type) 471252726Srpaulo{ 472252726Srpaulo for (; attr; attr = attr->next) { 473252726Srpaulo if (attr->type == type) 474252726Srpaulo return attr; 475252726Srpaulo } 476252726Srpaulo return NULL; 477252726Srpaulo} 478252726Srpaulo 479252726Srpaulo 480351611Scystruct hostapd_radius_attr * hostapd_parse_radius_attr(const char *value) 481252726Srpaulo{ 482351611Scy const char *pos; 483351611Scy char syntax; 484351611Scy struct hostapd_radius_attr *attr; 485351611Scy size_t len; 486351611Scy 487351611Scy attr = os_zalloc(sizeof(*attr)); 488351611Scy if (!attr) 489351611Scy return NULL; 490351611Scy 491351611Scy attr->type = atoi(value); 492351611Scy 493351611Scy pos = os_strchr(value, ':'); 494351611Scy if (!pos) { 495351611Scy attr->val = wpabuf_alloc(1); 496351611Scy if (!attr->val) { 497351611Scy os_free(attr); 498351611Scy return NULL; 499351611Scy } 500351611Scy wpabuf_put_u8(attr->val, 0); 501351611Scy return attr; 502351611Scy } 503351611Scy 504351611Scy pos++; 505351611Scy if (pos[0] == '\0' || pos[1] != ':') { 506351611Scy os_free(attr); 507351611Scy return NULL; 508351611Scy } 509351611Scy syntax = *pos++; 510351611Scy pos++; 511351611Scy 512351611Scy switch (syntax) { 513351611Scy case 's': 514351611Scy attr->val = wpabuf_alloc_copy(pos, os_strlen(pos)); 515351611Scy break; 516351611Scy case 'x': 517351611Scy len = os_strlen(pos); 518351611Scy if (len & 1) 519351611Scy break; 520351611Scy len /= 2; 521351611Scy attr->val = wpabuf_alloc(len); 522351611Scy if (!attr->val) 523351611Scy break; 524351611Scy if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) { 525351611Scy wpabuf_free(attr->val); 526351611Scy os_free(attr); 527351611Scy return NULL; 528351611Scy } 529351611Scy break; 530351611Scy case 'd': 531351611Scy attr->val = wpabuf_alloc(4); 532351611Scy if (attr->val) 533351611Scy wpabuf_put_be32(attr->val, atoi(pos)); 534351611Scy break; 535351611Scy default: 536351611Scy os_free(attr); 537351611Scy return NULL; 538351611Scy } 539351611Scy 540351611Scy if (!attr->val) { 541351611Scy os_free(attr); 542351611Scy return NULL; 543351611Scy } 544351611Scy 545351611Scy return attr; 546351611Scy} 547351611Scy 548351611Scy 549351611Scyvoid hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr) 550351611Scy{ 551252726Srpaulo struct hostapd_radius_attr *prev; 552252726Srpaulo 553252726Srpaulo while (attr) { 554252726Srpaulo prev = attr; 555252726Srpaulo attr = attr->next; 556252726Srpaulo wpabuf_free(prev->val); 557252726Srpaulo os_free(prev); 558252726Srpaulo } 559252726Srpaulo} 560252726Srpaulo 561252726Srpaulo 562281806Srpaulovoid hostapd_config_free_eap_user(struct hostapd_eap_user *user) 563214501Srpaulo{ 564281806Srpaulo hostapd_config_free_radius_attr(user->accept_attr); 565214501Srpaulo os_free(user->identity); 566281806Srpaulo bin_clear_free(user->password, user->password_len); 567346981Scy bin_clear_free(user->salt, user->salt_len); 568214501Srpaulo os_free(user); 569214501Srpaulo} 570214501Srpaulo 571214501Srpaulo 572346981Scyvoid hostapd_config_free_eap_users(struct hostapd_eap_user *user) 573346981Scy{ 574346981Scy struct hostapd_eap_user *prev_user; 575346981Scy 576346981Scy while (user) { 577346981Scy prev_user = user; 578346981Scy user = user->next; 579346981Scy hostapd_config_free_eap_user(prev_user); 580346981Scy } 581346981Scy} 582346981Scy 583346981Scy 584214501Srpaulostatic void hostapd_config_free_wep(struct hostapd_wep_keys *keys) 585214501Srpaulo{ 586214501Srpaulo int i; 587214501Srpaulo for (i = 0; i < NUM_WEP_KEYS; i++) { 588281806Srpaulo bin_clear_free(keys->key[i], keys->len[i]); 589214501Srpaulo keys->key[i] = NULL; 590214501Srpaulo } 591214501Srpaulo} 592214501Srpaulo 593214501Srpaulo 594281806Srpaulovoid hostapd_config_clear_wpa_psk(struct hostapd_wpa_psk **l) 595214501Srpaulo{ 596281806Srpaulo struct hostapd_wpa_psk *psk, *tmp; 597281806Srpaulo 598281806Srpaulo for (psk = *l; psk;) { 599281806Srpaulo tmp = psk; 600281806Srpaulo psk = psk->next; 601281806Srpaulo bin_clear_free(tmp, sizeof(*tmp)); 602281806Srpaulo } 603281806Srpaulo *l = NULL; 604281806Srpaulo} 605281806Srpaulo 606281806Srpaulo 607337817Scystatic void hostapd_config_free_anqp_elem(struct hostapd_bss_config *conf) 608337817Scy{ 609337817Scy struct anqp_element *elem; 610337817Scy 611337817Scy while ((elem = dl_list_first(&conf->anqp_elem, struct anqp_element, 612337817Scy list))) { 613337817Scy dl_list_del(&elem->list); 614337817Scy wpabuf_free(elem->payload); 615337817Scy os_free(elem); 616337817Scy } 617337817Scy} 618337817Scy 619337817Scy 620346981Scystatic void hostapd_config_free_fils_realms(struct hostapd_bss_config *conf) 621346981Scy{ 622346981Scy#ifdef CONFIG_FILS 623346981Scy struct fils_realm *realm; 624346981Scy 625346981Scy while ((realm = dl_list_first(&conf->fils_realms, struct fils_realm, 626346981Scy list))) { 627346981Scy dl_list_del(&realm->list); 628346981Scy os_free(realm); 629346981Scy } 630346981Scy#endif /* CONFIG_FILS */ 631346981Scy} 632346981Scy 633346981Scy 634346981Scystatic void hostapd_config_free_sae_passwords(struct hostapd_bss_config *conf) 635346981Scy{ 636346981Scy struct sae_password_entry *pw, *tmp; 637346981Scy 638346981Scy pw = conf->sae_passwords; 639346981Scy conf->sae_passwords = NULL; 640346981Scy while (pw) { 641346981Scy tmp = pw; 642346981Scy pw = pw->next; 643346981Scy str_clear_free(tmp->password); 644346981Scy os_free(tmp->identifier); 645346981Scy os_free(tmp); 646346981Scy } 647346981Scy} 648346981Scy 649346981Scy 650351611Scy#ifdef CONFIG_DPP2 651351611Scystatic void hostapd_dpp_controller_conf_free(struct dpp_controller_conf *conf) 652351611Scy{ 653351611Scy struct dpp_controller_conf *prev; 654351611Scy 655351611Scy while (conf) { 656351611Scy prev = conf; 657351611Scy conf = conf->next; 658351611Scy os_free(prev); 659351611Scy } 660351611Scy} 661351611Scy#endif /* CONFIG_DPP2 */ 662351611Scy 663351611Scy 664281806Srpaulovoid hostapd_config_free_bss(struct hostapd_bss_config *conf) 665281806Srpaulo{ 666351611Scy#if defined(CONFIG_WPS) || defined(CONFIG_HS20) 667351611Scy size_t i; 668351611Scy#endif 669351611Scy 670214501Srpaulo if (conf == NULL) 671214501Srpaulo return; 672214501Srpaulo 673281806Srpaulo hostapd_config_clear_wpa_psk(&conf->ssid.wpa_psk); 674214501Srpaulo 675281806Srpaulo str_clear_free(conf->ssid.wpa_passphrase); 676214501Srpaulo os_free(conf->ssid.wpa_psk_file); 677214501Srpaulo hostapd_config_free_wep(&conf->ssid.wep); 678214501Srpaulo#ifdef CONFIG_FULL_DYNAMIC_VLAN 679214501Srpaulo os_free(conf->ssid.vlan_tagged_interface); 680214501Srpaulo#endif /* CONFIG_FULL_DYNAMIC_VLAN */ 681214501Srpaulo 682346981Scy hostapd_config_free_eap_users(conf->eap_user); 683252726Srpaulo os_free(conf->eap_user_sqlite); 684214501Srpaulo 685214501Srpaulo os_free(conf->eap_req_id_text); 686281806Srpaulo os_free(conf->erp_domain); 687214501Srpaulo os_free(conf->accept_mac); 688214501Srpaulo os_free(conf->deny_mac); 689214501Srpaulo os_free(conf->nas_identifier); 690281806Srpaulo if (conf->radius) { 691281806Srpaulo hostapd_config_free_radius(conf->radius->auth_servers, 692281806Srpaulo conf->radius->num_auth_servers); 693281806Srpaulo hostapd_config_free_radius(conf->radius->acct_servers, 694281806Srpaulo conf->radius->num_acct_servers); 695281806Srpaulo } 696252726Srpaulo hostapd_config_free_radius_attr(conf->radius_auth_req_attr); 697252726Srpaulo hostapd_config_free_radius_attr(conf->radius_acct_req_attr); 698351611Scy os_free(conf->radius_req_attr_sqlite); 699214501Srpaulo os_free(conf->rsn_preauth_interfaces); 700214501Srpaulo os_free(conf->ctrl_interface); 701214501Srpaulo os_free(conf->ca_cert); 702214501Srpaulo os_free(conf->server_cert); 703351611Scy os_free(conf->server_cert2); 704214501Srpaulo os_free(conf->private_key); 705351611Scy os_free(conf->private_key2); 706214501Srpaulo os_free(conf->private_key_passwd); 707351611Scy os_free(conf->private_key_passwd2); 708346981Scy os_free(conf->check_cert_subject); 709281806Srpaulo os_free(conf->ocsp_stapling_response); 710337817Scy os_free(conf->ocsp_stapling_response_multi); 711214501Srpaulo os_free(conf->dh_file); 712281806Srpaulo os_free(conf->openssl_ciphers); 713346981Scy os_free(conf->openssl_ecdh_curves); 714214501Srpaulo os_free(conf->pac_opaque_encr_key); 715214501Srpaulo os_free(conf->eap_fast_a_id); 716214501Srpaulo os_free(conf->eap_fast_a_id_info); 717214501Srpaulo os_free(conf->eap_sim_db); 718214501Srpaulo os_free(conf->radius_server_clients); 719214501Srpaulo os_free(conf->radius); 720252726Srpaulo os_free(conf->radius_das_shared_secret); 721214501Srpaulo hostapd_config_free_vlan(conf); 722252726Srpaulo os_free(conf->time_zone); 723252726Srpaulo 724346981Scy#ifdef CONFIG_IEEE80211R_AP 725214501Srpaulo { 726214501Srpaulo struct ft_remote_r0kh *r0kh, *r0kh_prev; 727214501Srpaulo struct ft_remote_r1kh *r1kh, *r1kh_prev; 728214501Srpaulo 729214501Srpaulo r0kh = conf->r0kh_list; 730214501Srpaulo conf->r0kh_list = NULL; 731214501Srpaulo while (r0kh) { 732214501Srpaulo r0kh_prev = r0kh; 733214501Srpaulo r0kh = r0kh->next; 734214501Srpaulo os_free(r0kh_prev); 735214501Srpaulo } 736214501Srpaulo 737214501Srpaulo r1kh = conf->r1kh_list; 738214501Srpaulo conf->r1kh_list = NULL; 739214501Srpaulo while (r1kh) { 740214501Srpaulo r1kh_prev = r1kh; 741214501Srpaulo r1kh = r1kh->next; 742214501Srpaulo os_free(r1kh_prev); 743214501Srpaulo } 744214501Srpaulo } 745346981Scy#endif /* CONFIG_IEEE80211R_AP */ 746214501Srpaulo 747214501Srpaulo#ifdef CONFIG_WPS 748214501Srpaulo os_free(conf->wps_pin_requests); 749214501Srpaulo os_free(conf->device_name); 750214501Srpaulo os_free(conf->manufacturer); 751214501Srpaulo os_free(conf->model_name); 752214501Srpaulo os_free(conf->model_number); 753214501Srpaulo os_free(conf->serial_number); 754214501Srpaulo os_free(conf->config_methods); 755214501Srpaulo os_free(conf->ap_pin); 756214501Srpaulo os_free(conf->extra_cred); 757214501Srpaulo os_free(conf->ap_settings); 758346981Scy hostapd_config_clear_wpa_psk(&conf->multi_ap_backhaul_ssid.wpa_psk); 759346981Scy str_clear_free(conf->multi_ap_backhaul_ssid.wpa_passphrase); 760214501Srpaulo os_free(conf->upnp_iface); 761214501Srpaulo os_free(conf->friendly_name); 762214501Srpaulo os_free(conf->manufacturer_url); 763214501Srpaulo os_free(conf->model_description); 764214501Srpaulo os_free(conf->model_url); 765214501Srpaulo os_free(conf->upc); 766351611Scy for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) 767351611Scy wpabuf_free(conf->wps_vendor_ext[i]); 768252726Srpaulo wpabuf_free(conf->wps_nfc_dh_pubkey); 769252726Srpaulo wpabuf_free(conf->wps_nfc_dh_privkey); 770252726Srpaulo wpabuf_free(conf->wps_nfc_dev_pw); 771214501Srpaulo#endif /* CONFIG_WPS */ 772252726Srpaulo 773252726Srpaulo os_free(conf->roaming_consortium); 774252726Srpaulo os_free(conf->venue_name); 775346981Scy os_free(conf->venue_url); 776252726Srpaulo os_free(conf->nai_realm_data); 777252726Srpaulo os_free(conf->network_auth_type); 778252726Srpaulo os_free(conf->anqp_3gpp_cell_net); 779252726Srpaulo os_free(conf->domain_name); 780337817Scy hostapd_config_free_anqp_elem(conf); 781252726Srpaulo 782252726Srpaulo#ifdef CONFIG_RADIUS_TEST 783252726Srpaulo os_free(conf->dump_msk_file); 784252726Srpaulo#endif /* CONFIG_RADIUS_TEST */ 785252726Srpaulo 786252726Srpaulo#ifdef CONFIG_HS20 787252726Srpaulo os_free(conf->hs20_oper_friendly_name); 788252726Srpaulo os_free(conf->hs20_wan_metrics); 789252726Srpaulo os_free(conf->hs20_connection_capability); 790252726Srpaulo os_free(conf->hs20_operating_class); 791281806Srpaulo os_free(conf->hs20_icons); 792281806Srpaulo if (conf->hs20_osu_providers) { 793281806Srpaulo for (i = 0; i < conf->hs20_osu_providers_count; i++) { 794281806Srpaulo struct hs20_osu_provider *p; 795281806Srpaulo size_t j; 796281806Srpaulo p = &conf->hs20_osu_providers[i]; 797281806Srpaulo os_free(p->friendly_name); 798281806Srpaulo os_free(p->server_uri); 799281806Srpaulo os_free(p->method_list); 800281806Srpaulo for (j = 0; j < p->icons_count; j++) 801281806Srpaulo os_free(p->icons[j]); 802281806Srpaulo os_free(p->icons); 803281806Srpaulo os_free(p->osu_nai); 804346981Scy os_free(p->osu_nai2); 805281806Srpaulo os_free(p->service_desc); 806281806Srpaulo } 807281806Srpaulo os_free(conf->hs20_osu_providers); 808281806Srpaulo } 809346981Scy if (conf->hs20_operator_icon) { 810346981Scy for (i = 0; i < conf->hs20_operator_icon_count; i++) 811346981Scy os_free(conf->hs20_operator_icon[i]); 812346981Scy os_free(conf->hs20_operator_icon); 813346981Scy } 814281806Srpaulo os_free(conf->subscr_remediation_url); 815346981Scy os_free(conf->hs20_sim_provisioning_url); 816346981Scy os_free(conf->t_c_filename); 817346981Scy os_free(conf->t_c_server_url); 818252726Srpaulo#endif /* CONFIG_HS20 */ 819252726Srpaulo 820252726Srpaulo wpabuf_free(conf->vendor_elements); 821337817Scy wpabuf_free(conf->assocresp_elements); 822281806Srpaulo 823281806Srpaulo os_free(conf->sae_groups); 824346981Scy#ifdef CONFIG_OWE 825346981Scy os_free(conf->owe_groups); 826346981Scy#endif /* CONFIG_OWE */ 827281806Srpaulo 828281806Srpaulo os_free(conf->wowlan_triggers); 829281806Srpaulo 830281806Srpaulo os_free(conf->server_id); 831281806Srpaulo 832289549Srpaulo#ifdef CONFIG_TESTING_OPTIONS 833289549Srpaulo wpabuf_free(conf->own_ie_override); 834346981Scy wpabuf_free(conf->sae_commit_override); 835289549Srpaulo#endif /* CONFIG_TESTING_OPTIONS */ 836289549Srpaulo 837289549Srpaulo os_free(conf->no_probe_resp_if_seen_on); 838289549Srpaulo os_free(conf->no_auth_if_seen_on); 839289549Srpaulo 840346981Scy hostapd_config_free_fils_realms(conf); 841346981Scy 842346981Scy#ifdef CONFIG_DPP 843346981Scy os_free(conf->dpp_connector); 844346981Scy wpabuf_free(conf->dpp_netaccesskey); 845346981Scy wpabuf_free(conf->dpp_csign); 846351611Scy#ifdef CONFIG_DPP2 847351611Scy hostapd_dpp_controller_conf_free(conf->dpp_controller); 848351611Scy#endif /* CONFIG_DPP2 */ 849346981Scy#endif /* CONFIG_DPP */ 850346981Scy 851346981Scy hostapd_config_free_sae_passwords(conf); 852346981Scy 853351611Scy#ifdef CONFIG_AIRTIME_POLICY 854351611Scy { 855351611Scy struct airtime_sta_weight *wt, *wt_prev; 856351611Scy 857351611Scy wt = conf->airtime_weight_list; 858351611Scy conf->airtime_weight_list = NULL; 859351611Scy while (wt) { 860351611Scy wt_prev = wt; 861351611Scy wt = wt->next; 862351611Scy os_free(wt_prev); 863351611Scy } 864351611Scy } 865351611Scy#endif /* CONFIG_AIRTIME_POLICY */ 866351611Scy 867281806Srpaulo os_free(conf); 868214501Srpaulo} 869214501Srpaulo 870214501Srpaulo 871214501Srpaulo/** 872214501Srpaulo * hostapd_config_free - Free hostapd configuration 873214501Srpaulo * @conf: Configuration data from hostapd_config_read(). 874214501Srpaulo */ 875214501Srpaulovoid hostapd_config_free(struct hostapd_config *conf) 876214501Srpaulo{ 877214501Srpaulo size_t i; 878214501Srpaulo 879214501Srpaulo if (conf == NULL) 880214501Srpaulo return; 881214501Srpaulo 882214501Srpaulo for (i = 0; i < conf->num_bss; i++) 883281806Srpaulo hostapd_config_free_bss(conf->bss[i]); 884214501Srpaulo os_free(conf->bss); 885214501Srpaulo os_free(conf->supported_rates); 886214501Srpaulo os_free(conf->basic_rates); 887289549Srpaulo os_free(conf->acs_ch_list.range); 888281806Srpaulo os_free(conf->driver_params); 889281806Srpaulo#ifdef CONFIG_ACS 890281806Srpaulo os_free(conf->acs_chan_bias); 891281806Srpaulo#endif /* CONFIG_ACS */ 892337817Scy wpabuf_free(conf->lci); 893337817Scy wpabuf_free(conf->civic); 894214501Srpaulo 895214501Srpaulo os_free(conf); 896214501Srpaulo} 897214501Srpaulo 898214501Srpaulo 899214501Srpaulo/** 900214501Srpaulo * hostapd_maclist_found - Find a MAC address from a list 901214501Srpaulo * @list: MAC address list 902214501Srpaulo * @num_entries: Number of addresses in the list 903214501Srpaulo * @addr: Address to search for 904214501Srpaulo * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed 905214501Srpaulo * Returns: 1 if address is in the list or 0 if not. 906214501Srpaulo * 907214501Srpaulo * Perform a binary search for given MAC address from a pre-sorted list. 908214501Srpaulo */ 909214501Srpauloint hostapd_maclist_found(struct mac_acl_entry *list, int num_entries, 910337817Scy const u8 *addr, struct vlan_description *vlan_id) 911214501Srpaulo{ 912214501Srpaulo int start, end, middle, res; 913214501Srpaulo 914214501Srpaulo start = 0; 915214501Srpaulo end = num_entries - 1; 916214501Srpaulo 917214501Srpaulo while (start <= end) { 918214501Srpaulo middle = (start + end) / 2; 919214501Srpaulo res = os_memcmp(list[middle].addr, addr, ETH_ALEN); 920214501Srpaulo if (res == 0) { 921214501Srpaulo if (vlan_id) 922214501Srpaulo *vlan_id = list[middle].vlan_id; 923214501Srpaulo return 1; 924214501Srpaulo } 925214501Srpaulo if (res < 0) 926214501Srpaulo start = middle + 1; 927214501Srpaulo else 928214501Srpaulo end = middle - 1; 929214501Srpaulo } 930214501Srpaulo 931214501Srpaulo return 0; 932214501Srpaulo} 933214501Srpaulo 934214501Srpaulo 935214501Srpauloint hostapd_rate_found(int *list, int rate) 936214501Srpaulo{ 937214501Srpaulo int i; 938214501Srpaulo 939214501Srpaulo if (list == NULL) 940214501Srpaulo return 0; 941214501Srpaulo 942214501Srpaulo for (i = 0; list[i] >= 0; i++) 943214501Srpaulo if (list[i] == rate) 944214501Srpaulo return 1; 945214501Srpaulo 946214501Srpaulo return 0; 947214501Srpaulo} 948214501Srpaulo 949214501Srpaulo 950337817Scyint hostapd_vlan_valid(struct hostapd_vlan *vlan, 951337817Scy struct vlan_description *vlan_desc) 952281806Srpaulo{ 953281806Srpaulo struct hostapd_vlan *v = vlan; 954337817Scy int i; 955337817Scy 956337817Scy if (!vlan_desc->notempty || vlan_desc->untagged < 0 || 957337817Scy vlan_desc->untagged > MAX_VLAN_ID) 958337817Scy return 0; 959337817Scy for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) { 960337817Scy if (vlan_desc->tagged[i] < 0 || 961337817Scy vlan_desc->tagged[i] > MAX_VLAN_ID) 962337817Scy return 0; 963337817Scy } 964337817Scy if (!vlan_desc->untagged && !vlan_desc->tagged[0]) 965337817Scy return 0; 966337817Scy 967281806Srpaulo while (v) { 968337817Scy if (!vlan_compare(&v->vlan_desc, vlan_desc) || 969337817Scy v->vlan_id == VLAN_ID_WILDCARD) 970281806Srpaulo return 1; 971281806Srpaulo v = v->next; 972281806Srpaulo } 973281806Srpaulo return 0; 974281806Srpaulo} 975281806Srpaulo 976281806Srpaulo 977214501Srpauloconst char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id) 978214501Srpaulo{ 979214501Srpaulo struct hostapd_vlan *v = vlan; 980214501Srpaulo while (v) { 981281806Srpaulo if (v->vlan_id == vlan_id) 982214501Srpaulo return v->ifname; 983214501Srpaulo v = v->next; 984214501Srpaulo } 985214501Srpaulo return NULL; 986214501Srpaulo} 987214501Srpaulo 988214501Srpaulo 989214501Srpauloconst u8 * hostapd_get_psk(const struct hostapd_bss_config *conf, 990281806Srpaulo const u8 *addr, const u8 *p2p_dev_addr, 991346981Scy const u8 *prev_psk, int *vlan_id) 992214501Srpaulo{ 993214501Srpaulo struct hostapd_wpa_psk *psk; 994214501Srpaulo int next_ok = prev_psk == NULL; 995214501Srpaulo 996346981Scy if (vlan_id) 997346981Scy *vlan_id = 0; 998346981Scy 999281806Srpaulo if (p2p_dev_addr && !is_zero_ether_addr(p2p_dev_addr)) { 1000281806Srpaulo wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR 1001281806Srpaulo " p2p_dev_addr=" MACSTR " prev_psk=%p", 1002281806Srpaulo MAC2STR(addr), MAC2STR(p2p_dev_addr), prev_psk); 1003281806Srpaulo addr = NULL; /* Use P2P Device Address for matching */ 1004281806Srpaulo } else { 1005281806Srpaulo wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR 1006281806Srpaulo " prev_psk=%p", 1007281806Srpaulo MAC2STR(addr), prev_psk); 1008281806Srpaulo } 1009281806Srpaulo 1010214501Srpaulo for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) { 1011214501Srpaulo if (next_ok && 1012281806Srpaulo (psk->group || 1013281806Srpaulo (addr && os_memcmp(psk->addr, addr, ETH_ALEN) == 0) || 1014281806Srpaulo (!addr && p2p_dev_addr && 1015281806Srpaulo os_memcmp(psk->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) == 1016346981Scy 0))) { 1017346981Scy if (vlan_id) 1018346981Scy *vlan_id = psk->vlan_id; 1019214501Srpaulo return psk->psk; 1020346981Scy } 1021214501Srpaulo 1022214501Srpaulo if (psk->psk == prev_psk) 1023214501Srpaulo next_ok = 1; 1024214501Srpaulo } 1025214501Srpaulo 1026214501Srpaulo return NULL; 1027214501Srpaulo} 1028281806Srpaulo 1029281806Srpaulo 1030281806Srpaulostatic int hostapd_config_check_bss(struct hostapd_bss_config *bss, 1031281806Srpaulo struct hostapd_config *conf, 1032281806Srpaulo int full_config) 1033281806Srpaulo{ 1034281806Srpaulo if (full_config && bss->ieee802_1x && !bss->eap_server && 1035281806Srpaulo !bss->radius->auth_servers) { 1036281806Srpaulo wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no " 1037281806Srpaulo "EAP authenticator configured)."); 1038281806Srpaulo return -1; 1039281806Srpaulo } 1040281806Srpaulo 1041281806Srpaulo if (bss->wpa) { 1042281806Srpaulo int wep, i; 1043281806Srpaulo 1044281806Srpaulo wep = bss->default_wep_key_len > 0 || 1045281806Srpaulo bss->individual_wep_key_len > 0; 1046281806Srpaulo for (i = 0; i < NUM_WEP_KEYS; i++) { 1047281806Srpaulo if (bss->ssid.wep.keys_set) { 1048281806Srpaulo wep = 1; 1049281806Srpaulo break; 1050281806Srpaulo } 1051281806Srpaulo } 1052281806Srpaulo 1053281806Srpaulo if (wep) { 1054281806Srpaulo wpa_printf(MSG_ERROR, "WEP configuration in a WPA network is not supported"); 1055281806Srpaulo return -1; 1056281806Srpaulo } 1057281806Srpaulo } 1058281806Srpaulo 1059281806Srpaulo if (full_config && bss->wpa && 1060281806Srpaulo bss->wpa_psk_radius != PSK_RADIUS_IGNORED && 1061281806Srpaulo bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) { 1062281806Srpaulo wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no " 1063281806Srpaulo "RADIUS checking (macaddr_acl=2) enabled."); 1064281806Srpaulo return -1; 1065281806Srpaulo } 1066281806Srpaulo 1067281806Srpaulo if (full_config && bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) && 1068281806Srpaulo bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL && 1069281806Srpaulo bss->ssid.wpa_psk_file == NULL && 1070281806Srpaulo (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED || 1071281806Srpaulo bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) { 1072281806Srpaulo wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase " 1073281806Srpaulo "is not configured."); 1074281806Srpaulo return -1; 1075281806Srpaulo } 1076281806Srpaulo 1077337817Scy if (full_config && !is_zero_ether_addr(bss->bssid)) { 1078281806Srpaulo size_t i; 1079281806Srpaulo 1080281806Srpaulo for (i = 0; i < conf->num_bss; i++) { 1081281806Srpaulo if (conf->bss[i] != bss && 1082281806Srpaulo (hostapd_mac_comp(conf->bss[i]->bssid, 1083281806Srpaulo bss->bssid) == 0)) { 1084281806Srpaulo wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR 1085281806Srpaulo " on interface '%s' and '%s'.", 1086281806Srpaulo MAC2STR(bss->bssid), 1087281806Srpaulo conf->bss[i]->iface, bss->iface); 1088281806Srpaulo return -1; 1089281806Srpaulo } 1090281806Srpaulo } 1091281806Srpaulo } 1092281806Srpaulo 1093346981Scy#ifdef CONFIG_IEEE80211R_AP 1094281806Srpaulo if (full_config && wpa_key_mgmt_ft(bss->wpa_key_mgmt) && 1095281806Srpaulo (bss->nas_identifier == NULL || 1096281806Srpaulo os_strlen(bss->nas_identifier) < 1 || 1097281806Srpaulo os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) { 1098281806Srpaulo wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires " 1099281806Srpaulo "nas_identifier to be configured as a 1..48 octet " 1100281806Srpaulo "string"); 1101281806Srpaulo return -1; 1102281806Srpaulo } 1103346981Scy#endif /* CONFIG_IEEE80211R_AP */ 1104281806Srpaulo 1105281806Srpaulo#ifdef CONFIG_IEEE80211N 1106281806Srpaulo if (full_config && conf->ieee80211n && 1107281806Srpaulo conf->hw_mode == HOSTAPD_MODE_IEEE80211B) { 1108281806Srpaulo bss->disable_11n = 1; 1109281806Srpaulo wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not " 1110281806Srpaulo "allowed, disabling HT capabilities"); 1111281806Srpaulo } 1112281806Srpaulo 1113281806Srpaulo if (full_config && conf->ieee80211n && 1114281806Srpaulo bss->ssid.security_policy == SECURITY_STATIC_WEP) { 1115281806Srpaulo bss->disable_11n = 1; 1116281806Srpaulo wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not " 1117281806Srpaulo "allowed, disabling HT capabilities"); 1118281806Srpaulo } 1119281806Srpaulo 1120281806Srpaulo if (full_config && conf->ieee80211n && bss->wpa && 1121281806Srpaulo !(bss->wpa_pairwise & WPA_CIPHER_CCMP) && 1122281806Srpaulo !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | 1123281806Srpaulo WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256))) 1124281806Srpaulo { 1125281806Srpaulo bss->disable_11n = 1; 1126281806Srpaulo wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 " 1127281806Srpaulo "requires CCMP/GCMP to be enabled, disabling HT " 1128281806Srpaulo "capabilities"); 1129281806Srpaulo } 1130281806Srpaulo#endif /* CONFIG_IEEE80211N */ 1131281806Srpaulo 1132337817Scy#ifdef CONFIG_IEEE80211AC 1133337817Scy if (full_config && conf->ieee80211ac && 1134337817Scy bss->ssid.security_policy == SECURITY_STATIC_WEP) { 1135337817Scy bss->disable_11ac = 1; 1136337817Scy wpa_printf(MSG_ERROR, 1137337817Scy "VHT (IEEE 802.11ac) with WEP is not allowed, disabling VHT capabilities"); 1138337817Scy } 1139346981Scy 1140346981Scy if (full_config && conf->ieee80211ac && bss->wpa && 1141346981Scy !(bss->wpa_pairwise & WPA_CIPHER_CCMP) && 1142346981Scy !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | 1143346981Scy WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256))) 1144346981Scy { 1145346981Scy bss->disable_11ac = 1; 1146346981Scy wpa_printf(MSG_ERROR, 1147346981Scy "VHT (IEEE 802.11ac) with WPA/WPA2 requires CCMP/GCMP to be enabled, disabling VHT capabilities"); 1148346981Scy } 1149337817Scy#endif /* CONFIG_IEEE80211AC */ 1150337817Scy 1151281806Srpaulo#ifdef CONFIG_WPS 1152281806Srpaulo if (full_config && bss->wps_state && bss->ignore_broadcast_ssid) { 1153281806Srpaulo wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid " 1154281806Srpaulo "configuration forced WPS to be disabled"); 1155281806Srpaulo bss->wps_state = 0; 1156281806Srpaulo } 1157281806Srpaulo 1158281806Srpaulo if (full_config && bss->wps_state && 1159281806Srpaulo bss->ssid.wep.keys_set && bss->wpa == 0) { 1160281806Srpaulo wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be " 1161281806Srpaulo "disabled"); 1162281806Srpaulo bss->wps_state = 0; 1163281806Srpaulo } 1164281806Srpaulo 1165281806Srpaulo if (full_config && bss->wps_state && bss->wpa && 1166281806Srpaulo (!(bss->wpa & 2) || 1167346981Scy !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | 1168346981Scy WPA_CIPHER_CCMP_256 | 1169346981Scy WPA_CIPHER_GCMP_256)))) { 1170281806Srpaulo wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without " 1171289549Srpaulo "WPA2/CCMP/GCMP forced WPS to be disabled"); 1172281806Srpaulo bss->wps_state = 0; 1173281806Srpaulo } 1174281806Srpaulo#endif /* CONFIG_WPS */ 1175281806Srpaulo 1176281806Srpaulo#ifdef CONFIG_HS20 1177281806Srpaulo if (full_config && bss->hs20 && 1178281806Srpaulo (!(bss->wpa & 2) || 1179281806Srpaulo !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | 1180281806Srpaulo WPA_CIPHER_CCMP_256 | 1181281806Srpaulo WPA_CIPHER_GCMP_256)))) { 1182281806Srpaulo wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP " 1183281806Srpaulo "configuration is required for Hotspot 2.0 " 1184281806Srpaulo "functionality"); 1185281806Srpaulo return -1; 1186281806Srpaulo } 1187281806Srpaulo#endif /* CONFIG_HS20 */ 1188281806Srpaulo 1189337817Scy#ifdef CONFIG_MBO 1190337817Scy if (full_config && bss->mbo_enabled && (bss->wpa & 2) && 1191337817Scy bss->ieee80211w == NO_MGMT_FRAME_PROTECTION) { 1192337817Scy wpa_printf(MSG_ERROR, 1193337817Scy "MBO: PMF needs to be enabled whenever using WPA2 with MBO"); 1194337817Scy return -1; 1195337817Scy } 1196337817Scy#endif /* CONFIG_MBO */ 1197337817Scy 1198346981Scy#ifdef CONFIG_OCV 1199346981Scy if (full_config && bss->ieee80211w == NO_MGMT_FRAME_PROTECTION && 1200346981Scy bss->ocv) { 1201346981Scy wpa_printf(MSG_ERROR, 1202346981Scy "OCV: PMF needs to be enabled whenever using OCV"); 1203346981Scy return -1; 1204346981Scy } 1205346981Scy#endif /* CONFIG_OCV */ 1206346981Scy 1207281806Srpaulo return 0; 1208281806Srpaulo} 1209281806Srpaulo 1210281806Srpaulo 1211289549Srpaulostatic int hostapd_config_check_cw(struct hostapd_config *conf, int queue) 1212289549Srpaulo{ 1213289549Srpaulo int tx_cwmin = conf->tx_queue[queue].cwmin; 1214289549Srpaulo int tx_cwmax = conf->tx_queue[queue].cwmax; 1215289549Srpaulo int ac_cwmin = conf->wmm_ac_params[queue].cwmin; 1216289549Srpaulo int ac_cwmax = conf->wmm_ac_params[queue].cwmax; 1217289549Srpaulo 1218289549Srpaulo if (tx_cwmin > tx_cwmax) { 1219289549Srpaulo wpa_printf(MSG_ERROR, 1220289549Srpaulo "Invalid TX queue cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)", 1221289549Srpaulo tx_cwmin, tx_cwmax); 1222289549Srpaulo return -1; 1223289549Srpaulo } 1224289549Srpaulo if (ac_cwmin > ac_cwmax) { 1225289549Srpaulo wpa_printf(MSG_ERROR, 1226289549Srpaulo "Invalid WMM AC cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)", 1227289549Srpaulo ac_cwmin, ac_cwmax); 1228289549Srpaulo return -1; 1229289549Srpaulo } 1230289549Srpaulo return 0; 1231289549Srpaulo} 1232289549Srpaulo 1233289549Srpaulo 1234281806Srpauloint hostapd_config_check(struct hostapd_config *conf, int full_config) 1235281806Srpaulo{ 1236281806Srpaulo size_t i; 1237281806Srpaulo 1238281806Srpaulo if (full_config && conf->ieee80211d && 1239281806Srpaulo (!conf->country[0] || !conf->country[1])) { 1240281806Srpaulo wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without " 1241281806Srpaulo "setting the country_code"); 1242281806Srpaulo return -1; 1243281806Srpaulo } 1244281806Srpaulo 1245281806Srpaulo if (full_config && conf->ieee80211h && !conf->ieee80211d) { 1246281806Srpaulo wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11h without " 1247281806Srpaulo "IEEE 802.11d enabled"); 1248281806Srpaulo return -1; 1249281806Srpaulo } 1250281806Srpaulo 1251281806Srpaulo if (full_config && conf->local_pwr_constraint != -1 && 1252281806Srpaulo !conf->ieee80211d) { 1253281806Srpaulo wpa_printf(MSG_ERROR, "Cannot add Power Constraint element without Country element"); 1254281806Srpaulo return -1; 1255281806Srpaulo } 1256281806Srpaulo 1257281806Srpaulo if (full_config && conf->spectrum_mgmt_required && 1258281806Srpaulo conf->local_pwr_constraint == -1) { 1259281806Srpaulo wpa_printf(MSG_ERROR, "Cannot set Spectrum Management bit without Country and Power Constraint elements"); 1260281806Srpaulo return -1; 1261281806Srpaulo } 1262281806Srpaulo 1263351611Scy#ifdef CONFIG_AIRTIME_POLICY 1264351611Scy if (full_config && conf->airtime_mode > AIRTIME_MODE_STATIC && 1265351611Scy !conf->airtime_update_interval) { 1266351611Scy wpa_printf(MSG_ERROR, "Airtime update interval cannot be zero"); 1267351611Scy return -1; 1268351611Scy } 1269351611Scy#endif /* CONFIG_AIRTIME_POLICY */ 1270289549Srpaulo for (i = 0; i < NUM_TX_QUEUES; i++) { 1271289549Srpaulo if (hostapd_config_check_cw(conf, i)) 1272289549Srpaulo return -1; 1273289549Srpaulo } 1274289549Srpaulo 1275281806Srpaulo for (i = 0; i < conf->num_bss; i++) { 1276281806Srpaulo if (hostapd_config_check_bss(conf->bss[i], conf, full_config)) 1277281806Srpaulo return -1; 1278281806Srpaulo } 1279281806Srpaulo 1280281806Srpaulo return 0; 1281281806Srpaulo} 1282281806Srpaulo 1283281806Srpaulo 1284281806Srpaulovoid hostapd_set_security_params(struct hostapd_bss_config *bss, 1285281806Srpaulo int full_config) 1286281806Srpaulo{ 1287281806Srpaulo if (bss->individual_wep_key_len == 0) { 1288281806Srpaulo /* individual keys are not use; can use key idx0 for 1289281806Srpaulo * broadcast keys */ 1290281806Srpaulo bss->broadcast_key_idx_min = 0; 1291281806Srpaulo } 1292281806Srpaulo 1293281806Srpaulo if ((bss->wpa & 2) && bss->rsn_pairwise == 0) 1294281806Srpaulo bss->rsn_pairwise = bss->wpa_pairwise; 1295346981Scy if (bss->group_cipher) 1296346981Scy bss->wpa_group = bss->group_cipher; 1297346981Scy else 1298346981Scy bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, 1299346981Scy bss->wpa_pairwise, 1300346981Scy bss->rsn_pairwise); 1301346981Scy if (!bss->wpa_group_rekey_set) 1302346981Scy bss->wpa_group_rekey = bss->wpa_group == WPA_CIPHER_TKIP ? 1303346981Scy 600 : 86400; 1304281806Srpaulo 1305281806Srpaulo if (full_config) { 1306281806Srpaulo bss->radius->auth_server = bss->radius->auth_servers; 1307281806Srpaulo bss->radius->acct_server = bss->radius->acct_servers; 1308281806Srpaulo } 1309281806Srpaulo 1310281806Srpaulo if (bss->wpa && bss->ieee802_1x) { 1311281806Srpaulo bss->ssid.security_policy = SECURITY_WPA; 1312281806Srpaulo } else if (bss->wpa) { 1313281806Srpaulo bss->ssid.security_policy = SECURITY_WPA_PSK; 1314281806Srpaulo } else if (bss->ieee802_1x) { 1315281806Srpaulo int cipher = WPA_CIPHER_NONE; 1316281806Srpaulo bss->ssid.security_policy = SECURITY_IEEE_802_1X; 1317281806Srpaulo bss->ssid.wep.default_len = bss->default_wep_key_len; 1318281806Srpaulo if (full_config && bss->default_wep_key_len) { 1319281806Srpaulo cipher = bss->default_wep_key_len >= 13 ? 1320281806Srpaulo WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; 1321281806Srpaulo } else if (full_config && bss->ssid.wep.keys_set) { 1322281806Srpaulo if (bss->ssid.wep.len[0] >= 13) 1323281806Srpaulo cipher = WPA_CIPHER_WEP104; 1324281806Srpaulo else 1325281806Srpaulo cipher = WPA_CIPHER_WEP40; 1326281806Srpaulo } 1327281806Srpaulo bss->wpa_group = cipher; 1328281806Srpaulo bss->wpa_pairwise = cipher; 1329281806Srpaulo bss->rsn_pairwise = cipher; 1330281806Srpaulo if (full_config) 1331281806Srpaulo bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; 1332281806Srpaulo } else if (bss->ssid.wep.keys_set) { 1333281806Srpaulo int cipher = WPA_CIPHER_WEP40; 1334281806Srpaulo if (bss->ssid.wep.len[0] >= 13) 1335281806Srpaulo cipher = WPA_CIPHER_WEP104; 1336281806Srpaulo bss->ssid.security_policy = SECURITY_STATIC_WEP; 1337281806Srpaulo bss->wpa_group = cipher; 1338281806Srpaulo bss->wpa_pairwise = cipher; 1339281806Srpaulo bss->rsn_pairwise = cipher; 1340281806Srpaulo if (full_config) 1341281806Srpaulo bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE; 1342281806Srpaulo } else if (bss->osen) { 1343281806Srpaulo bss->ssid.security_policy = SECURITY_OSEN; 1344281806Srpaulo bss->wpa_group = WPA_CIPHER_CCMP; 1345281806Srpaulo bss->wpa_pairwise = 0; 1346281806Srpaulo bss->rsn_pairwise = WPA_CIPHER_CCMP; 1347281806Srpaulo } else { 1348281806Srpaulo bss->ssid.security_policy = SECURITY_PLAINTEXT; 1349289549Srpaulo if (full_config) { 1350289549Srpaulo bss->wpa_group = WPA_CIPHER_NONE; 1351289549Srpaulo bss->wpa_pairwise = WPA_CIPHER_NONE; 1352289549Srpaulo bss->rsn_pairwise = WPA_CIPHER_NONE; 1353281806Srpaulo bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE; 1354289549Srpaulo } 1355281806Srpaulo } 1356281806Srpaulo} 1357346981Scy 1358346981Scy 1359346981Scyint hostapd_sae_pw_id_in_use(struct hostapd_bss_config *conf) 1360346981Scy{ 1361346981Scy int with_id = 0, without_id = 0; 1362346981Scy struct sae_password_entry *pw; 1363346981Scy 1364346981Scy if (conf->ssid.wpa_passphrase) 1365346981Scy without_id = 1; 1366346981Scy 1367346981Scy for (pw = conf->sae_passwords; pw; pw = pw->next) { 1368346981Scy if (pw->identifier) 1369346981Scy with_id = 1; 1370346981Scy else 1371346981Scy without_id = 1; 1372346981Scy if (with_id && without_id) 1373346981Scy break; 1374346981Scy } 1375346981Scy 1376346981Scy if (with_id && !without_id) 1377346981Scy return 2; 1378346981Scy return with_id; 1379346981Scy} 1380