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accounting.c
(14.53 KB)
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accounting.h
(1.12 KB)
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acs.c
(29.71 KB)
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acs.h
(764 B)
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airtime_policy.c
(6.82 KB)
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airtime_policy.h
(1.27 KB)
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ap_config.c
(33.39 KB)
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ap_config.h
(26.53 KB)
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ap_drv_ops.c
(25.84 KB)
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ap_drv_ops.h
(13.38 KB)
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ap_list.c
(6.82 KB)
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ap_list.h
(1.5 KB)
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ap_mlme.c
(5.64 KB)
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ap_mlme.h
(1007 B)
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authsrv.c
(8.72 KB)
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authsrv.h
(352 B)
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beacon.c
(40.32 KB)
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beacon.h
(1.25 KB)
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bss_load.c
(2.4 KB)
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bss_load.h
(376 B)
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ctrl_iface_ap.c
(24.3 KB)
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ctrl_iface_ap.h
(1.61 KB)
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dfs.c
(29.35 KB)
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dfs.h
(1.22 KB)
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dhcp_snoop.c
(3.36 KB)
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dhcp_snoop.h
(590 B)
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dpp_hostapd.c
(48.28 KB)
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dpp_hostapd.h
(1.74 KB)
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drv_callbacks.c
(51.68 KB)
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eap_user_db.c
(7.92 KB)
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eth_p_oui.c
(4.44 KB)
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eth_p_oui.h
(958 B)
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fils_hlp.c
(16.82 KB)
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fils_hlp.h
(547 B)
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gas_query_ap.c
(19.53 KB)
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gas_query_ap.h
(1.24 KB)
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gas_serv.c
(50.48 KB)
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gas_serv.h
(3.38 KB)
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hostapd.c
(89.58 KB)
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hostapd.h
(17.99 KB)
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hs20.c
(6.27 KB)
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hs20.h
(843 B)
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hw_features.c
(24.77 KB)
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hw_features.h
(1.93 KB)
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iapp.c
(14.59 KB)
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iapp.h
(833 B)
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ieee802_11.c
(148.71 KB)
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ieee802_11.h
(7.97 KB)
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ieee802_11_auth.c
(18.3 KB)
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ieee802_11_auth.h
(1.04 KB)
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ieee802_11_he.c
(8.77 KB)
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ieee802_11_ht.c
(16.22 KB)
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ieee802_11_shared.c
(23.95 KB)
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ieee802_11_vht.c
(13.4 KB)
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ieee802_1x.c
(83.16 KB)
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ieee802_1x.h
(2.84 KB)
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mbo_ap.c
(5.22 KB)
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mbo_ap.h
(1.16 KB)
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ndisc_snoop.c
(4.3 KB)
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ndisc_snoop.h
(838 B)
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neighbor_db.c
(6.49 KB)
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neighbor_db.h
(940 B)
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p2p_hostapd.c
(2.57 KB)
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p2p_hostapd.h
(888 B)
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pmksa_cache_auth.c
(18.79 KB)
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pmksa_cache_auth.h
(2.69 KB)
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preauth_auth.c
(6.47 KB)
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preauth_auth.h
(1.26 KB)
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rrm.c
(17.27 KB)
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rrm.h
(1.21 KB)
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sta_info.c
(41.42 KB)
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sta_info.h
(11.63 KB)
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taxonomy.c
(7.45 KB)
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taxonomy.h
(766 B)
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tkip_countermeasures.c
(2.95 KB)
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tkip_countermeasures.h
(451 B)
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utils.c
(2.29 KB)
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vlan.c
(756 B)
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vlan.h
(727 B)
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vlan_full.c
(18.35 KB)
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vlan_ifconfig.c
(1.47 KB)
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vlan_init.c
(5.88 KB)
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vlan_init.h
(1.09 KB)
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vlan_ioctl.c
(3.75 KB)
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vlan_util.c
(3.9 KB)
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vlan_util.h
(980 B)
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wmm.c
(11.47 KB)
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wmm.h
(653 B)
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wnm_ap.c
(23.69 KB)
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wnm_ap.h
(1.08 KB)
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wpa_auth.c
(140.03 KB)
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wpa_auth.h
(17.89 KB)
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wpa_auth_ft.c
(120.89 KB)
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wpa_auth_glue.c
(35.42 KB)
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wpa_auth_glue.h
(443 B)
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wpa_auth_i.h
(8.47 KB)
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wpa_auth_ie.c
(32.38 KB)
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wpa_auth_ie.h
(1.14 KB)
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wpa_auth_kay.c
(12.26 KB)
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wpa_auth_kay.h
(1.15 KB)
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wps_hostapd.c
(54.66 KB)
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wps_hostapd.h
(2.79 KB)
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x_snoop.c
(3.21 KB)
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x_snoop.h
(1.29 KB)
Editing: ap_config.c
/* * hostapd / Configuration helper functions * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi> * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #include "utils/includes.h" #include "utils/common.h" #include "crypto/sha1.h" #include "crypto/tls.h" #include "radius/radius_client.h" #include "common/ieee802_11_defs.h" #include "common/ieee802_1x_defs.h" #include "common/eapol_common.h" #include "common/dhcp.h" #include "eap_common/eap_wsc_common.h" #include "eap_server/eap.h" #include "wpa_auth.h" #include "sta_info.h" #include "airtime_policy.h" #include "ap_config.h" static void hostapd_config_free_vlan(struct hostapd_bss_config *bss) { struct hostapd_vlan *vlan, *prev; vlan = bss->vlan; prev = NULL; while (vlan) { prev = vlan; vlan = vlan->next; os_free(prev); } bss->vlan = NULL; } #ifndef DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES #define DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES 0 #endif /* DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES */ void hostapd_config_defaults_bss(struct hostapd_bss_config *bss) { dl_list_init(&bss->anqp_elem); bss->logger_syslog_level = HOSTAPD_LEVEL_INFO; bss->logger_stdout_level = HOSTAPD_LEVEL_INFO; bss->logger_syslog = (unsigned int) -1; bss->logger_stdout = (unsigned int) -1; bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED; bss->wep_rekeying_period = 300; /* use key0 in individual key and key1 in broadcast key */ bss->broadcast_key_idx_min = 1; bss->broadcast_key_idx_max = 2; bss->eap_reauth_period = 3600; bss->wpa_group_rekey = 600; bss->wpa_gmk_rekey = 86400; bss->wpa_group_update_count = 4; bss->wpa_pairwise_update_count = 4; bss->wpa_disable_eapol_key_retries = DEFAULT_WPA_DISABLE_EAPOL_KEY_RETRIES; bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK; bss->wpa_pairwise = WPA_CIPHER_TKIP; bss->wpa_group = WPA_CIPHER_TKIP; bss->rsn_pairwise = 0; bss->max_num_sta = MAX_STA_COUNT; bss->dtim_period = 2; bss->radius_server_auth_port = 1812; bss->eap_sim_db_timeout = 1; bss->eap_sim_id = 3; bss->ap_max_inactivity = AP_MAX_INACTIVITY; bss->eapol_version = EAPOL_VERSION; bss->max_listen_interval = 65535; bss->pwd_group = 19; /* ECC: GF(p=256) */ #ifdef CONFIG_IEEE80211W bss->assoc_sa_query_max_timeout = 1000; bss->assoc_sa_query_retry_timeout = 201; bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC; #endif /* CONFIG_IEEE80211W */ #ifdef EAP_SERVER_FAST /* both anonymous and authenticated provisioning */ bss->eap_fast_prov = 3; bss->pac_key_lifetime = 7 * 24 * 60 * 60; bss->pac_key_refresh_time = 1 * 24 * 60 * 60; #endif /* EAP_SERVER_FAST */ /* Set to -1 as defaults depends on HT in setup */ bss->wmm_enabled = -1; #ifdef CONFIG_IEEE80211R_AP bss->ft_over_ds = 1; bss->rkh_pos_timeout = 86400; bss->rkh_neg_timeout = 60; bss->rkh_pull_timeout = 1000; bss->rkh_pull_retries = 4; bss->r0_key_lifetime = 1209600; #endif /* CONFIG_IEEE80211R_AP */ bss->radius_das_time_window = 300; bss->sae_anti_clogging_threshold = 5; bss->sae_sync = 5; bss->gas_frag_limit = 1400; #ifdef CONFIG_FILS dl_list_init(&bss->fils_realms); bss->fils_hlp_wait_time = 30; bss->dhcp_server_port = DHCP_SERVER_PORT; bss->dhcp_relay_port = DHCP_SERVER_PORT; #endif /* CONFIG_FILS */ bss->broadcast_deauth = 1; #ifdef CONFIG_MBO bss->mbo_cell_data_conn_pref = -1; #endif /* CONFIG_MBO */ /* Disable TLS v1.3 by default for now to avoid interoperability issue. * This can be enabled by default once the implementation has been fully * completed and tested with other implementations. */ bss->tls_flags = TLS_CONN_DISABLE_TLSv1_3; bss->send_probe_response = 1; #ifdef CONFIG_HS20 bss->hs20_release = (HS20_VERSION >> 4) + 1; #endif /* CONFIG_HS20 */ #ifdef CONFIG_MACSEC bss->mka_priority = DEFAULT_PRIO_NOT_KEY_SERVER; bss->macsec_port = 1; #endif /* CONFIG_MACSEC */ /* Default to strict CRL checking. */ bss->check_crl_strict = 1; } struct hostapd_config * hostapd_config_defaults(void) { #define ecw2cw(ecw) ((1 << (ecw)) - 1) struct hostapd_config *conf; struct hostapd_bss_config *bss; const int aCWmin = 4, aCWmax = 10; const struct hostapd_wmm_ac_params ac_bk = { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */ const struct hostapd_wmm_ac_params ac_be = { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */ const struct hostapd_wmm_ac_params ac_vi = /* video traffic */ { aCWmin - 1, aCWmin, 2, 3008 / 32, 0 }; const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */ { aCWmin - 2, aCWmin - 1, 2, 1504 / 32, 0 }; const struct hostapd_tx_queue_params txq_bk = { 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 }; const struct hostapd_tx_queue_params txq_be = { 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0}; const struct hostapd_tx_queue_params txq_vi = { 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30}; const struct hostapd_tx_queue_params txq_vo = { 1, (ecw2cw(aCWmin) + 1) / 4 - 1, (ecw2cw(aCWmin) + 1) / 2 - 1, 15}; #undef ecw2cw conf = os_zalloc(sizeof(*conf)); bss = os_zalloc(sizeof(*bss)); if (conf == NULL || bss == NULL) { wpa_printf(MSG_ERROR, "Failed to allocate memory for " "configuration data."); os_free(conf); os_free(bss); return NULL; } conf->bss = os_calloc(1, sizeof(struct hostapd_bss_config *)); if (conf->bss == NULL) { os_free(conf); os_free(bss); return NULL; } conf->bss[0] = bss; bss->radius = os_zalloc(sizeof(*bss->radius)); if (bss->radius == NULL) { os_free(conf->bss); os_free(conf); os_free(bss); return NULL; } hostapd_config_defaults_bss(bss); conf->num_bss = 1; conf->beacon_int = 100; conf->rts_threshold = -2; /* use driver default: 2347 */ conf->fragm_threshold = -2; /* user driver default: 2346 */ /* Set to invalid value means do not add Power Constraint IE */ conf->local_pwr_constraint = -1; conf->wmm_ac_params[0] = ac_be; conf->wmm_ac_params[1] = ac_bk; conf->wmm_ac_params[2] = ac_vi; conf->wmm_ac_params[3] = ac_vo; conf->tx_queue[0] = txq_vo; conf->tx_queue[1] = txq_vi; conf->tx_queue[2] = txq_be; conf->tx_queue[3] = txq_bk; conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED; conf->ap_table_max_size = 255; conf->ap_table_expiration_time = 60; conf->track_sta_max_age = 180; #ifdef CONFIG_TESTING_OPTIONS conf->ignore_probe_probability = 0.0; conf->ignore_auth_probability = 0.0; conf->ignore_assoc_probability = 0.0; conf->ignore_reassoc_probability = 0.0; conf->corrupt_gtk_rekey_mic_probability = 0.0; conf->ecsa_ie_only = 0; #endif /* CONFIG_TESTING_OPTIONS */ conf->acs = 0; conf->acs_ch_list.num = 0; #ifdef CONFIG_ACS conf->acs_num_scans = 5; #endif /* CONFIG_ACS */ #ifdef CONFIG_IEEE80211AX conf->he_op.he_rts_threshold = HE_OPERATION_RTS_THRESHOLD_MASK >> HE_OPERATION_RTS_THRESHOLD_OFFSET; /* Set default basic MCS/NSS set to single stream MCS 0-7 */ conf->he_op.he_basic_mcs_nss_set = 0xfffc; #endif /* CONFIG_IEEE80211AX */ /* The third octet of the country string uses an ASCII space character * by default to indicate that the regulations encompass all * environments for the current frequency band in the country. */ conf->country[2] = ' '; conf->rssi_reject_assoc_rssi = 0; conf->rssi_reject_assoc_timeout = 30; #ifdef CONFIG_AIRTIME_POLICY conf->airtime_update_interval = AIRTIME_DEFAULT_UPDATE_INTERVAL; #endif /* CONFIG_AIRTIME_POLICY */ return conf; } int hostapd_mac_comp(const void *a, const void *b) { return os_memcmp(a, b, sizeof(macaddr)); } static int hostapd_config_read_wpa_psk(const char *fname, struct hostapd_ssid *ssid) { FILE *f; char buf[128], *pos; const char *keyid; char *context; char *context2; char *token; char *name; char *value; int line = 0, ret = 0, len, ok; u8 addr[ETH_ALEN]; struct hostapd_wpa_psk *psk; if (!fname) return 0; f = fopen(fname, "r"); if (!f) { wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname); return -1; } while (fgets(buf, sizeof(buf), f)) { int vlan_id = 0; line++; if (buf[0] == '#') continue; pos = buf; while (*pos != '\0') { if (*pos == '\n') { *pos = '\0'; break; } pos++; } if (buf[0] == '\0') continue; context = NULL; keyid = NULL; while ((token = str_token(buf, " ", &context))) { if (!os_strchr(token, '=')) break; context2 = NULL; name = str_token(token, "=", &context2); if (!name) break; value = str_token(token, "", &context2); if (!value) value = ""; if (!os_strcmp(name, "keyid")) { keyid = value; } else if (!os_strcmp(name, "vlanid")) { vlan_id = atoi(value); } else { wpa_printf(MSG_ERROR, "Unrecognized '%s=%s' on line %d in '%s'", name, value, line, fname); ret = -1; break; } } if (ret == -1) break; if (!token) token = ""; if (hwaddr_aton(token, addr)) { wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on " "line %d in '%s'", token, line, fname); ret = -1; break; } psk = os_zalloc(sizeof(*psk)); if (psk == NULL) { wpa_printf(MSG_ERROR, "WPA PSK allocation failed"); ret = -1; break; } psk->vlan_id = vlan_id; if (is_zero_ether_addr(addr)) psk->group = 1; else os_memcpy(psk->addr, addr, ETH_ALEN); pos = str_token(buf, "", &context); if (!pos) { wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'", line, fname); os_free(psk); ret = -1; break; } ok = 0; len = os_strlen(pos); if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0) ok = 1; else if (len >= 8 && len < 64) { pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len, 4096, psk->psk, PMK_LEN); ok = 1; } if (!ok) { wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in " "'%s'", pos, line, fname); os_free(psk); ret = -1; break; } if (keyid) { len = os_strlcpy(psk->keyid, keyid, sizeof(psk->keyid)); if ((size_t) len >= sizeof(psk->keyid)) { wpa_printf(MSG_ERROR, "PSK keyid too long on line %d in '%s'", line, fname); os_free(psk); ret = -1; break; } } psk->next = ssid->wpa_psk; ssid->wpa_psk = psk; } fclose(f); return ret; } static int hostapd_derive_psk(struct hostapd_ssid *ssid) { ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk)); if (ssid->wpa_psk == NULL) { wpa_printf(MSG_ERROR, "Unable to alloc space for PSK"); return -1; } wpa_hexdump_ascii(MSG_DEBUG, "SSID", (u8 *) ssid->ssid, ssid->ssid_len); wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)", (u8 *) ssid->wpa_passphrase, os_strlen(ssid->wpa_passphrase)); pbkdf2_sha1(ssid->wpa_passphrase, ssid->ssid, ssid->ssid_len, 4096, ssid->wpa_psk->psk, PMK_LEN); wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)", ssid->wpa_psk->psk, PMK_LEN); return 0; } int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf) { struct hostapd_ssid *ssid = &conf->ssid; if (ssid->wpa_passphrase != NULL) { if (ssid->wpa_psk != NULL) { wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK " "instead of passphrase"); } else { wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on " "passphrase"); if (hostapd_derive_psk(ssid) < 0) return -1; } ssid->wpa_psk->group = 1; } return hostapd_config_read_wpa_psk(ssid->wpa_psk_file, &conf->ssid); } static void hostapd_config_free_radius(struct hostapd_radius_server *servers, int num_servers) { int i; for (i = 0; i < num_servers; i++) { os_free(servers[i].shared_secret); } os_free(servers); } struct hostapd_radius_attr * hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type) { for (; attr; attr = attr->next) { if (attr->type == type) return attr; } return NULL; } struct hostapd_radius_attr * hostapd_parse_radius_attr(const char *value) { const char *pos; char syntax; struct hostapd_radius_attr *attr; size_t len; attr = os_zalloc(sizeof(*attr)); if (!attr) return NULL; attr->type = atoi(value); pos = os_strchr(value, ':'); if (!pos) { attr->val = wpabuf_alloc(1); if (!attr->val) { os_free(attr); return NULL; } wpabuf_put_u8(attr->val, 0); return attr; } pos++; if (pos[0] == '\0' || pos[1] != ':') { os_free(attr); return NULL; } syntax = *pos++; pos++; switch (syntax) { case 's': attr->val = wpabuf_alloc_copy(pos, os_strlen(pos)); break; case 'x': len = os_strlen(pos); if (len & 1) break; len /= 2; attr->val = wpabuf_alloc(len); if (!attr->val) break; if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) { wpabuf_free(attr->val); os_free(attr); return NULL; } break; case 'd': attr->val = wpabuf_alloc(4); if (attr->val) wpabuf_put_be32(attr->val, atoi(pos)); break; default: os_free(attr); return NULL; } if (!attr->val) { os_free(attr); return NULL; } return attr; } void hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr) { struct hostapd_radius_attr *prev; while (attr) { prev = attr; attr = attr->next; wpabuf_free(prev->val); os_free(prev); } } void hostapd_config_free_eap_user(struct hostapd_eap_user *user) { hostapd_config_free_radius_attr(user->accept_attr); os_free(user->identity); bin_clear_free(user->password, user->password_len); bin_clear_free(user->salt, user->salt_len); os_free(user); } void hostapd_config_free_eap_users(struct hostapd_eap_user *user) { struct hostapd_eap_user *prev_user; while (user) { prev_user = user; user = user->next; hostapd_config_free_eap_user(prev_user); } } static void hostapd_config_free_wep(struct hostapd_wep_keys *keys) { int i; for (i = 0; i < NUM_WEP_KEYS; i++) { bin_clear_free(keys->key[i], keys->len[i]); keys->key[i] = NULL; } } void hostapd_config_clear_wpa_psk(struct hostapd_wpa_psk **l) { struct hostapd_wpa_psk *psk, *tmp; for (psk = *l; psk;) { tmp = psk; psk = psk->next; bin_clear_free(tmp, sizeof(*tmp)); } *l = NULL; } static void hostapd_config_free_anqp_elem(struct hostapd_bss_config *conf) { struct anqp_element *elem; while ((elem = dl_list_first(&conf->anqp_elem, struct anqp_element, list))) { dl_list_del(&elem->list); wpabuf_free(elem->payload); os_free(elem); } } static void hostapd_config_free_fils_realms(struct hostapd_bss_config *conf) { #ifdef CONFIG_FILS struct fils_realm *realm; while ((realm = dl_list_first(&conf->fils_realms, struct fils_realm, list))) { dl_list_del(&realm->list); os_free(realm); } #endif /* CONFIG_FILS */ } static void hostapd_config_free_sae_passwords(struct hostapd_bss_config *conf) { struct sae_password_entry *pw, *tmp; pw = conf->sae_passwords; conf->sae_passwords = NULL; while (pw) { tmp = pw; pw = pw->next; str_clear_free(tmp->password); os_free(tmp->identifier); os_free(tmp); } } #ifdef CONFIG_DPP2 static void hostapd_dpp_controller_conf_free(struct dpp_controller_conf *conf) { struct dpp_controller_conf *prev; while (conf) { prev = conf; conf = conf->next; os_free(prev); } } #endif /* CONFIG_DPP2 */ void hostapd_config_free_bss(struct hostapd_bss_config *conf) { #if defined(CONFIG_WPS) || defined(CONFIG_HS20) size_t i; #endif if (conf == NULL) return; hostapd_config_clear_wpa_psk(&conf->ssid.wpa_psk); str_clear_free(conf->ssid.wpa_passphrase); os_free(conf->ssid.wpa_psk_file); hostapd_config_free_wep(&conf->ssid.wep); #ifdef CONFIG_FULL_DYNAMIC_VLAN os_free(conf->ssid.vlan_tagged_interface); #endif /* CONFIG_FULL_DYNAMIC_VLAN */ hostapd_config_free_eap_users(conf->eap_user); os_free(conf->eap_user_sqlite); os_free(conf->eap_req_id_text); os_free(conf->erp_domain); os_free(conf->accept_mac); os_free(conf->deny_mac); os_free(conf->nas_identifier); if (conf->radius) { hostapd_config_free_radius(conf->radius->auth_servers, conf->radius->num_auth_servers); hostapd_config_free_radius(conf->radius->acct_servers, conf->radius->num_acct_servers); } hostapd_config_free_radius_attr(conf->radius_auth_req_attr); hostapd_config_free_radius_attr(conf->radius_acct_req_attr); os_free(conf->radius_req_attr_sqlite); os_free(conf->rsn_preauth_interfaces); os_free(conf->ctrl_interface); os_free(conf->ca_cert); os_free(conf->server_cert); os_free(conf->server_cert2); os_free(conf->private_key); os_free(conf->private_key2); os_free(conf->private_key_passwd); os_free(conf->private_key_passwd2); os_free(conf->check_cert_subject); os_free(conf->ocsp_stapling_response); os_free(conf->ocsp_stapling_response_multi); os_free(conf->dh_file); os_free(conf->openssl_ciphers); os_free(conf->openssl_ecdh_curves); os_free(conf->pac_opaque_encr_key); os_free(conf->eap_fast_a_id); os_free(conf->eap_fast_a_id_info); os_free(conf->eap_sim_db); os_free(conf->radius_server_clients); os_free(conf->radius); os_free(conf->radius_das_shared_secret); hostapd_config_free_vlan(conf); os_free(conf->time_zone); #ifdef CONFIG_IEEE80211R_AP { struct ft_remote_r0kh *r0kh, *r0kh_prev; struct ft_remote_r1kh *r1kh, *r1kh_prev; r0kh = conf->r0kh_list; conf->r0kh_list = NULL; while (r0kh) { r0kh_prev = r0kh; r0kh = r0kh->next; os_free(r0kh_prev); } r1kh = conf->r1kh_list; conf->r1kh_list = NULL; while (r1kh) { r1kh_prev = r1kh; r1kh = r1kh->next; os_free(r1kh_prev); } } #endif /* CONFIG_IEEE80211R_AP */ #ifdef CONFIG_WPS os_free(conf->wps_pin_requests); os_free(conf->device_name); os_free(conf->manufacturer); os_free(conf->model_name); os_free(conf->model_number); os_free(conf->serial_number); os_free(conf->config_methods); os_free(conf->ap_pin); os_free(conf->extra_cred); os_free(conf->ap_settings); hostapd_config_clear_wpa_psk(&conf->multi_ap_backhaul_ssid.wpa_psk); str_clear_free(conf->multi_ap_backhaul_ssid.wpa_passphrase); os_free(conf->upnp_iface); os_free(conf->friendly_name); os_free(conf->manufacturer_url); os_free(conf->model_description); os_free(conf->model_url); os_free(conf->upc); for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) wpabuf_free(conf->wps_vendor_ext[i]); wpabuf_free(conf->wps_nfc_dh_pubkey); wpabuf_free(conf->wps_nfc_dh_privkey); wpabuf_free(conf->wps_nfc_dev_pw); #endif /* CONFIG_WPS */ os_free(conf->roaming_consortium); os_free(conf->venue_name); os_free(conf->venue_url); os_free(conf->nai_realm_data); os_free(conf->network_auth_type); os_free(conf->anqp_3gpp_cell_net); os_free(conf->domain_name); hostapd_config_free_anqp_elem(conf); #ifdef CONFIG_RADIUS_TEST os_free(conf->dump_msk_file); #endif /* CONFIG_RADIUS_TEST */ #ifdef CONFIG_HS20 os_free(conf->hs20_oper_friendly_name); os_free(conf->hs20_wan_metrics); os_free(conf->hs20_connection_capability); os_free(conf->hs20_operating_class); os_free(conf->hs20_icons); if (conf->hs20_osu_providers) { for (i = 0; i < conf->hs20_osu_providers_count; i++) { struct hs20_osu_provider *p; size_t j; p = &conf->hs20_osu_providers[i]; os_free(p->friendly_name); os_free(p->server_uri); os_free(p->method_list); for (j = 0; j < p->icons_count; j++) os_free(p->icons[j]); os_free(p->icons); os_free(p->osu_nai); os_free(p->osu_nai2); os_free(p->service_desc); } os_free(conf->hs20_osu_providers); } if (conf->hs20_operator_icon) { for (i = 0; i < conf->hs20_operator_icon_count; i++) os_free(conf->hs20_operator_icon[i]); os_free(conf->hs20_operator_icon); } os_free(conf->subscr_remediation_url); os_free(conf->hs20_sim_provisioning_url); os_free(conf->t_c_filename); os_free(conf->t_c_server_url); #endif /* CONFIG_HS20 */ wpabuf_free(conf->vendor_elements); wpabuf_free(conf->assocresp_elements); os_free(conf->sae_groups); #ifdef CONFIG_OWE os_free(conf->owe_groups); #endif /* CONFIG_OWE */ os_free(conf->wowlan_triggers); os_free(conf->server_id); #ifdef CONFIG_TESTING_OPTIONS wpabuf_free(conf->own_ie_override); wpabuf_free(conf->sae_commit_override); #endif /* CONFIG_TESTING_OPTIONS */ os_free(conf->no_probe_resp_if_seen_on); os_free(conf->no_auth_if_seen_on); hostapd_config_free_fils_realms(conf); #ifdef CONFIG_DPP os_free(conf->dpp_connector); wpabuf_free(conf->dpp_netaccesskey); wpabuf_free(conf->dpp_csign); #ifdef CONFIG_DPP2 hostapd_dpp_controller_conf_free(conf->dpp_controller); #endif /* CONFIG_DPP2 */ #endif /* CONFIG_DPP */ hostapd_config_free_sae_passwords(conf); #ifdef CONFIG_AIRTIME_POLICY { struct airtime_sta_weight *wt, *wt_prev; wt = conf->airtime_weight_list; conf->airtime_weight_list = NULL; while (wt) { wt_prev = wt; wt = wt->next; os_free(wt_prev); } } #endif /* CONFIG_AIRTIME_POLICY */ os_free(conf); } /** * hostapd_config_free - Free hostapd configuration * @conf: Configuration data from hostapd_config_read(). */ void hostapd_config_free(struct hostapd_config *conf) { size_t i; if (conf == NULL) return; for (i = 0; i < conf->num_bss; i++) hostapd_config_free_bss(conf->bss[i]); os_free(conf->bss); os_free(conf->supported_rates); os_free(conf->basic_rates); os_free(conf->acs_ch_list.range); os_free(conf->driver_params); #ifdef CONFIG_ACS os_free(conf->acs_chan_bias); #endif /* CONFIG_ACS */ wpabuf_free(conf->lci); wpabuf_free(conf->civic); os_free(conf); } /** * hostapd_maclist_found - Find a MAC address from a list * @list: MAC address list * @num_entries: Number of addresses in the list * @addr: Address to search for * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed * Returns: 1 if address is in the list or 0 if not. * * Perform a binary search for given MAC address from a pre-sorted list. */ int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries, const u8 *addr, struct vlan_description *vlan_id) { int start, end, middle, res; start = 0; end = num_entries - 1; while (start <= end) { middle = (start + end) / 2; res = os_memcmp(list[middle].addr, addr, ETH_ALEN); if (res == 0) { if (vlan_id) *vlan_id = list[middle].vlan_id; return 1; } if (res < 0) start = middle + 1; else end = middle - 1; } return 0; } int hostapd_rate_found(int *list, int rate) { int i; if (list == NULL) return 0; for (i = 0; list[i] >= 0; i++) if (list[i] == rate) return 1; return 0; } int hostapd_vlan_valid(struct hostapd_vlan *vlan, struct vlan_description *vlan_desc) { struct hostapd_vlan *v = vlan; int i; if (!vlan_desc->notempty || vlan_desc->untagged < 0 || vlan_desc->untagged > MAX_VLAN_ID) return 0; for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) { if (vlan_desc->tagged[i] < 0 || vlan_desc->tagged[i] > MAX_VLAN_ID) return 0; } if (!vlan_desc->untagged && !vlan_desc->tagged[0]) return 0; while (v) { if (!vlan_compare(&v->vlan_desc, vlan_desc) || v->vlan_id == VLAN_ID_WILDCARD) return 1; v = v->next; } return 0; } const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id) { struct hostapd_vlan *v = vlan; while (v) { if (v->vlan_id == vlan_id) return v->ifname; v = v->next; } return NULL; } const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf, const u8 *addr, const u8 *p2p_dev_addr, const u8 *prev_psk, int *vlan_id) { struct hostapd_wpa_psk *psk; int next_ok = prev_psk == NULL; if (vlan_id) *vlan_id = 0; if (p2p_dev_addr && !is_zero_ether_addr(p2p_dev_addr)) { wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR " p2p_dev_addr=" MACSTR " prev_psk=%p", MAC2STR(addr), MAC2STR(p2p_dev_addr), prev_psk); addr = NULL; /* Use P2P Device Address for matching */ } else { wpa_printf(MSG_DEBUG, "Searching a PSK for " MACSTR " prev_psk=%p", MAC2STR(addr), prev_psk); } for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) { if (next_ok && (psk->group || (addr && os_memcmp(psk->addr, addr, ETH_ALEN) == 0) || (!addr && p2p_dev_addr && os_memcmp(psk->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) == 0))) { if (vlan_id) *vlan_id = psk->vlan_id; return psk->psk; } if (psk->psk == prev_psk) next_ok = 1; } return NULL; } static int hostapd_config_check_bss(struct hostapd_bss_config *bss, struct hostapd_config *conf, int full_config) { if (full_config && bss->ieee802_1x && !bss->eap_server && !bss->radius->auth_servers) { wpa_printf(MSG_ERROR, "Invalid IEEE 802.1X configuration (no " "EAP authenticator configured)."); return -1; } if (bss->wpa) { int wep, i; wep = bss->default_wep_key_len > 0 || bss->individual_wep_key_len > 0; for (i = 0; i < NUM_WEP_KEYS; i++) { if (bss->ssid.wep.keys_set) { wep = 1; break; } } if (wep) { wpa_printf(MSG_ERROR, "WEP configuration in a WPA network is not supported"); return -1; } } if (full_config && bss->wpa && bss->wpa_psk_radius != PSK_RADIUS_IGNORED && bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) { wpa_printf(MSG_ERROR, "WPA-PSK using RADIUS enabled, but no " "RADIUS checking (macaddr_acl=2) enabled."); return -1; } if (full_config && bss->wpa && (bss->wpa_key_mgmt & WPA_KEY_MGMT_PSK) && bss->ssid.wpa_psk == NULL && bss->ssid.wpa_passphrase == NULL && bss->ssid.wpa_psk_file == NULL && (bss->wpa_psk_radius != PSK_RADIUS_REQUIRED || bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH)) { wpa_printf(MSG_ERROR, "WPA-PSK enabled, but PSK or passphrase " "is not configured."); return -1; } if (full_config && !is_zero_ether_addr(bss->bssid)) { size_t i; for (i = 0; i < conf->num_bss; i++) { if (conf->bss[i] != bss && (hostapd_mac_comp(conf->bss[i]->bssid, bss->bssid) == 0)) { wpa_printf(MSG_ERROR, "Duplicate BSSID " MACSTR " on interface '%s' and '%s'.", MAC2STR(bss->bssid), conf->bss[i]->iface, bss->iface); return -1; } } } #ifdef CONFIG_IEEE80211R_AP if (full_config && wpa_key_mgmt_ft(bss->wpa_key_mgmt) && (bss->nas_identifier == NULL || os_strlen(bss->nas_identifier) < 1 || os_strlen(bss->nas_identifier) > FT_R0KH_ID_MAX_LEN)) { wpa_printf(MSG_ERROR, "FT (IEEE 802.11r) requires " "nas_identifier to be configured as a 1..48 octet " "string"); return -1; } #endif /* CONFIG_IEEE80211R_AP */ #ifdef CONFIG_IEEE80211N if (full_config && conf->ieee80211n && conf->hw_mode == HOSTAPD_MODE_IEEE80211B) { bss->disable_11n = 1; wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) in 11b mode is not " "allowed, disabling HT capabilities"); } if (full_config && conf->ieee80211n && bss->ssid.security_policy == SECURITY_STATIC_WEP) { bss->disable_11n = 1; wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WEP is not " "allowed, disabling HT capabilities"); } if (full_config && conf->ieee80211n && bss->wpa && !(bss->wpa_pairwise & WPA_CIPHER_CCMP) && !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256))) { bss->disable_11n = 1; wpa_printf(MSG_ERROR, "HT (IEEE 802.11n) with WPA/WPA2 " "requires CCMP/GCMP to be enabled, disabling HT " "capabilities"); } #endif /* CONFIG_IEEE80211N */ #ifdef CONFIG_IEEE80211AC if (full_config && conf->ieee80211ac && bss->ssid.security_policy == SECURITY_STATIC_WEP) { bss->disable_11ac = 1; wpa_printf(MSG_ERROR, "VHT (IEEE 802.11ac) with WEP is not allowed, disabling VHT capabilities"); } if (full_config && conf->ieee80211ac && bss->wpa && !(bss->wpa_pairwise & WPA_CIPHER_CCMP) && !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256))) { bss->disable_11ac = 1; wpa_printf(MSG_ERROR, "VHT (IEEE 802.11ac) with WPA/WPA2 requires CCMP/GCMP to be enabled, disabling VHT capabilities"); } #endif /* CONFIG_IEEE80211AC */ #ifdef CONFIG_WPS if (full_config && bss->wps_state && bss->ignore_broadcast_ssid) { wpa_printf(MSG_INFO, "WPS: ignore_broadcast_ssid " "configuration forced WPS to be disabled"); bss->wps_state = 0; } if (full_config && bss->wps_state && bss->ssid.wep.keys_set && bss->wpa == 0) { wpa_printf(MSG_INFO, "WPS: WEP configuration forced WPS to be " "disabled"); bss->wps_state = 0; } if (full_config && bss->wps_state && bss->wpa && (!(bss->wpa & 2) || !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256)))) { wpa_printf(MSG_INFO, "WPS: WPA/TKIP configuration without " "WPA2/CCMP/GCMP forced WPS to be disabled"); bss->wps_state = 0; } #endif /* CONFIG_WPS */ #ifdef CONFIG_HS20 if (full_config && bss->hs20 && (!(bss->wpa & 2) || !(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP | WPA_CIPHER_CCMP_256 | WPA_CIPHER_GCMP_256)))) { wpa_printf(MSG_ERROR, "HS 2.0: WPA2-Enterprise/CCMP " "configuration is required for Hotspot 2.0 " "functionality"); return -1; } #endif /* CONFIG_HS20 */ #ifdef CONFIG_MBO if (full_config && bss->mbo_enabled && (bss->wpa & 2) && bss->ieee80211w == NO_MGMT_FRAME_PROTECTION) { wpa_printf(MSG_ERROR, "MBO: PMF needs to be enabled whenever using WPA2 with MBO"); return -1; } #endif /* CONFIG_MBO */ #ifdef CONFIG_OCV if (full_config && bss->ieee80211w == NO_MGMT_FRAME_PROTECTION && bss->ocv) { wpa_printf(MSG_ERROR, "OCV: PMF needs to be enabled whenever using OCV"); return -1; } #endif /* CONFIG_OCV */ return 0; } static int hostapd_config_check_cw(struct hostapd_config *conf, int queue) { int tx_cwmin = conf->tx_queue[queue].cwmin; int tx_cwmax = conf->tx_queue[queue].cwmax; int ac_cwmin = conf->wmm_ac_params[queue].cwmin; int ac_cwmax = conf->wmm_ac_params[queue].cwmax; if (tx_cwmin > tx_cwmax) { wpa_printf(MSG_ERROR, "Invalid TX queue cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)", tx_cwmin, tx_cwmax); return -1; } if (ac_cwmin > ac_cwmax) { wpa_printf(MSG_ERROR, "Invalid WMM AC cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)", ac_cwmin, ac_cwmax); return -1; } return 0; } int hostapd_config_check(struct hostapd_config *conf, int full_config) { size_t i; if (full_config && conf->ieee80211d && (!conf->country[0] || !conf->country[1])) { wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11d without " "setting the country_code"); return -1; } if (full_config && conf->ieee80211h && !conf->ieee80211d) { wpa_printf(MSG_ERROR, "Cannot enable IEEE 802.11h without " "IEEE 802.11d enabled"); return -1; } if (full_config && conf->local_pwr_constraint != -1 && !conf->ieee80211d) { wpa_printf(MSG_ERROR, "Cannot add Power Constraint element without Country element"); return -1; } if (full_config && conf->spectrum_mgmt_required && conf->local_pwr_constraint == -1) { wpa_printf(MSG_ERROR, "Cannot set Spectrum Management bit without Country and Power Constraint elements"); return -1; } #ifdef CONFIG_AIRTIME_POLICY if (full_config && conf->airtime_mode > AIRTIME_MODE_STATIC && !conf->airtime_update_interval) { wpa_printf(MSG_ERROR, "Airtime update interval cannot be zero"); return -1; } #endif /* CONFIG_AIRTIME_POLICY */ for (i = 0; i < NUM_TX_QUEUES; i++) { if (hostapd_config_check_cw(conf, i)) return -1; } for (i = 0; i < conf->num_bss; i++) { if (hostapd_config_check_bss(conf->bss[i], conf, full_config)) return -1; } return 0; } void hostapd_set_security_params(struct hostapd_bss_config *bss, int full_config) { if (bss->individual_wep_key_len == 0) { /* individual keys are not use; can use key idx0 for * broadcast keys */ bss->broadcast_key_idx_min = 0; } if ((bss->wpa & 2) && bss->rsn_pairwise == 0) bss->rsn_pairwise = bss->wpa_pairwise; if (bss->group_cipher) bss->wpa_group = bss->group_cipher; else bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise, bss->rsn_pairwise); if (!bss->wpa_group_rekey_set) bss->wpa_group_rekey = bss->wpa_group == WPA_CIPHER_TKIP ? 600 : 86400; if (full_config) { bss->radius->auth_server = bss->radius->auth_servers; bss->radius->acct_server = bss->radius->acct_servers; } if (bss->wpa && bss->ieee802_1x) { bss->ssid.security_policy = SECURITY_WPA; } else if (bss->wpa) { bss->ssid.security_policy = SECURITY_WPA_PSK; } else if (bss->ieee802_1x) { int cipher = WPA_CIPHER_NONE; bss->ssid.security_policy = SECURITY_IEEE_802_1X; bss->ssid.wep.default_len = bss->default_wep_key_len; if (full_config && bss->default_wep_key_len) { cipher = bss->default_wep_key_len >= 13 ? WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; } else if (full_config && bss->ssid.wep.keys_set) { if (bss->ssid.wep.len[0] >= 13) cipher = WPA_CIPHER_WEP104; else cipher = WPA_CIPHER_WEP40; } bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; if (full_config) bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA; } else if (bss->ssid.wep.keys_set) { int cipher = WPA_CIPHER_WEP40; if (bss->ssid.wep.len[0] >= 13) cipher = WPA_CIPHER_WEP104; bss->ssid.security_policy = SECURITY_STATIC_WEP; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; if (full_config) bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE; } else if (bss->osen) { bss->ssid.security_policy = SECURITY_OSEN; bss->wpa_group = WPA_CIPHER_CCMP; bss->wpa_pairwise = 0; bss->rsn_pairwise = WPA_CIPHER_CCMP; } else { bss->ssid.security_policy = SECURITY_PLAINTEXT; if (full_config) { bss->wpa_group = WPA_CIPHER_NONE; bss->wpa_pairwise = WPA_CIPHER_NONE; bss->rsn_pairwise = WPA_CIPHER_NONE; bss->wpa_key_mgmt = WPA_KEY_MGMT_NONE; } } } int hostapd_sae_pw_id_in_use(struct hostapd_bss_config *conf) { int with_id = 0, without_id = 0; struct sae_password_entry *pw; if (conf->ssid.wpa_passphrase) without_id = 1; for (pw = conf->sae_passwords; pw; pw = pw->next) { if (pw->identifier) with_id = 1; else without_id = 1; if (with_id && without_id) break; } if (with_id && !without_id) return 2; return with_id; }
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