1 /* 2 * hostapd / Configuration definitions and helpers functions 3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef HOSTAPD_CONFIG_H 16 #define HOSTAPD_CONFIG_H 17 18 #include "common/defs.h" 19 #include "ip_addr.h" 20 #include "common/wpa_common.h" 21 22 #define MAX_STA_COUNT 2007 23 #define MAX_VLAN_ID 4094 24 25 typedef u8 macaddr[ETH_ALEN]; 26 27 struct mac_acl_entry { 28 macaddr addr; 29 int vlan_id; 30 }; 31 32 struct hostapd_radius_servers; 33 struct ft_remote_r0kh; 34 struct ft_remote_r1kh; 35 36 #define HOSTAPD_MAX_SSID_LEN 32 37 38 #define NUM_WEP_KEYS 4 39 struct hostapd_wep_keys { 40 u8 idx; 41 u8 *key[NUM_WEP_KEYS]; 42 size_t len[NUM_WEP_KEYS]; 43 int keys_set; 44 size_t default_len; /* key length used for dynamic key generation */ 45 }; 46 47 typedef enum hostap_security_policy { 48 SECURITY_PLAINTEXT = 0, 49 SECURITY_STATIC_WEP = 1, 50 SECURITY_IEEE_802_1X = 2, 51 SECURITY_WPA_PSK = 3, 52 SECURITY_WPA = 4 53 } secpolicy; 54 55 struct hostapd_ssid { 56 char ssid[HOSTAPD_MAX_SSID_LEN + 1]; 57 size_t ssid_len; 58 int ssid_set; 59 60 char vlan[IFNAMSIZ + 1]; 61 secpolicy security_policy; 62 63 struct hostapd_wpa_psk *wpa_psk; 64 char *wpa_passphrase; 65 char *wpa_psk_file; 66 67 struct hostapd_wep_keys wep; 68 69 #define DYNAMIC_VLAN_DISABLED 0 70 #define DYNAMIC_VLAN_OPTIONAL 1 71 #define DYNAMIC_VLAN_REQUIRED 2 72 int dynamic_vlan; 73 #ifdef CONFIG_FULL_DYNAMIC_VLAN 74 char *vlan_tagged_interface; 75 #endif /* CONFIG_FULL_DYNAMIC_VLAN */ 76 struct hostapd_wep_keys **dyn_vlan_keys; 77 size_t max_dyn_vlan_keys; 78 }; 79 80 81 #define VLAN_ID_WILDCARD -1 82 83 struct hostapd_vlan { 84 struct hostapd_vlan *next; 85 int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */ 86 char ifname[IFNAMSIZ + 1]; 87 int dynamic_vlan; 88 #ifdef CONFIG_FULL_DYNAMIC_VLAN 89 90 #define DVLAN_CLEAN_BR 0x1 91 #define DVLAN_CLEAN_VLAN 0x2 92 #define DVLAN_CLEAN_VLAN_PORT 0x4 93 #define DVLAN_CLEAN_WLAN_PORT 0x8 94 int clean; 95 #endif /* CONFIG_FULL_DYNAMIC_VLAN */ 96 }; 97 98 #define PMK_LEN 32 99 struct hostapd_wpa_psk { 100 struct hostapd_wpa_psk *next; 101 int group; 102 u8 psk[PMK_LEN]; 103 u8 addr[ETH_ALEN]; 104 }; 105 106 #define EAP_USER_MAX_METHODS 8 107 struct hostapd_eap_user { 108 struct hostapd_eap_user *next; 109 u8 *identity; 110 size_t identity_len; 111 struct { 112 int vendor; 113 u32 method; 114 } methods[EAP_USER_MAX_METHODS]; 115 u8 *password; 116 size_t password_len; 117 int phase2; 118 int force_version; 119 unsigned int wildcard_prefix:1; 120 unsigned int password_hash:1; /* whether password is hashed with 121 * nt_password_hash() */ 122 int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */ 123 }; 124 125 126 #define NUM_TX_QUEUES 8 127 128 struct hostapd_tx_queue_params { 129 int aifs; 130 int cwmin; 131 int cwmax; 132 int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */ 133 int configured; 134 }; 135 136 struct hostapd_wmm_ac_params { 137 int cwmin; 138 int cwmax; 139 int aifs; 140 int txop_limit; /* in units of 32us */ 141 int admission_control_mandatory; 142 }; 143 144 145 /** 146 * struct hostapd_bss_config - Per-BSS configuration 147 */ 148 struct hostapd_bss_config { 149 char iface[IFNAMSIZ + 1]; 150 char bridge[IFNAMSIZ + 1]; 151 152 enum hostapd_logger_level logger_syslog_level, logger_stdout_level; 153 154 unsigned int logger_syslog; /* module bitfield */ 155 unsigned int logger_stdout; /* module bitfield */ 156 157 char *dump_log_name; /* file name for state dump (SIGUSR1) */ 158 159 int max_num_sta; /* maximum number of STAs in station table */ 160 161 int dtim_period; 162 163 int ieee802_1x; /* use IEEE 802.1X */ 164 int eapol_version; 165 int eap_server; /* Use internal EAP server instead of external 166 * RADIUS server */ 167 struct hostapd_eap_user *eap_user; 168 char *eap_sim_db; 169 struct hostapd_ip_addr own_ip_addr; 170 char *nas_identifier; 171 struct hostapd_radius_servers *radius; 172 int acct_interim_interval; 173 174 struct hostapd_ssid ssid; 175 176 char *eap_req_id_text; /* optional displayable message sent with 177 * EAP Request-Identity */ 178 size_t eap_req_id_text_len; 179 int eapol_key_index_workaround; 180 181 size_t default_wep_key_len; 182 int individual_wep_key_len; 183 int wep_rekeying_period; 184 int broadcast_key_idx_min, broadcast_key_idx_max; 185 int eap_reauth_period; 186 187 int ieee802_11f; /* use IEEE 802.11f (IAPP) */ 188 char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast 189 * frames */ 190 191 enum { 192 ACCEPT_UNLESS_DENIED = 0, 193 DENY_UNLESS_ACCEPTED = 1, 194 USE_EXTERNAL_RADIUS_AUTH = 2 195 } macaddr_acl; 196 struct mac_acl_entry *accept_mac; 197 int num_accept_mac; 198 struct mac_acl_entry *deny_mac; 199 int num_deny_mac; 200 int wds_sta; 201 202 int auth_algs; /* bitfield of allowed IEEE 802.11 authentication 203 * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */ 204 205 int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */ 206 int wpa_key_mgmt; 207 #ifdef CONFIG_IEEE80211W 208 enum mfp_options ieee80211w; 209 /* dot11AssociationSAQueryMaximumTimeout (in TUs) */ 210 unsigned int assoc_sa_query_max_timeout; 211 /* dot11AssociationSAQueryRetryTimeout (in TUs) */ 212 int assoc_sa_query_retry_timeout; 213 #endif /* CONFIG_IEEE80211W */ 214 int wpa_pairwise; 215 int wpa_group; 216 int wpa_group_rekey; 217 int wpa_strict_rekey; 218 int wpa_gmk_rekey; 219 int wpa_ptk_rekey; 220 int rsn_pairwise; 221 int rsn_preauth; 222 char *rsn_preauth_interfaces; 223 int peerkey; 224 225 #ifdef CONFIG_IEEE80211R 226 /* IEEE 802.11r - Fast BSS Transition */ 227 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; 228 u8 r1_key_holder[FT_R1KH_ID_LEN]; 229 u32 r0_key_lifetime; 230 u32 reassociation_deadline; 231 struct ft_remote_r0kh *r0kh_list; 232 struct ft_remote_r1kh *r1kh_list; 233 int pmk_r1_push; 234 #endif /* CONFIG_IEEE80211R */ 235 236 char *ctrl_interface; /* directory for UNIX domain sockets */ 237 #ifndef CONFIG_NATIVE_WINDOWS 238 gid_t ctrl_interface_gid; 239 #endif /* CONFIG_NATIVE_WINDOWS */ 240 int ctrl_interface_gid_set; 241 242 char *ca_cert; 243 char *server_cert; 244 char *private_key; 245 char *private_key_passwd; 246 int check_crl; 247 char *dh_file; 248 u8 *pac_opaque_encr_key; 249 u8 *eap_fast_a_id; 250 size_t eap_fast_a_id_len; 251 char *eap_fast_a_id_info; 252 int eap_fast_prov; 253 int pac_key_lifetime; 254 int pac_key_refresh_time; 255 int eap_sim_aka_result_ind; 256 int tnc; 257 258 char *radius_server_clients; 259 int radius_server_auth_port; 260 int radius_server_ipv6; 261 262 char *test_socket; /* UNIX domain socket path for driver_test */ 263 264 int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group 265 * address instead of individual address 266 * (for driver_wired.c). 267 */ 268 269 int ap_max_inactivity; 270 int ignore_broadcast_ssid; 271 272 int wmm_enabled; 273 int wmm_uapsd; 274 275 struct hostapd_vlan *vlan, *vlan_tail; 276 277 macaddr bssid; 278 279 /* 280 * Maximum listen interval that STAs can use when associating with this 281 * BSS. If a STA tries to use larger value, the association will be 282 * denied with status code 51. 283 */ 284 u16 max_listen_interval; 285 286 int okc; /* Opportunistic Key Caching */ 287 288 int wps_state; 289 #ifdef CONFIG_WPS 290 int ap_setup_locked; 291 u8 uuid[16]; 292 char *wps_pin_requests; 293 char *device_name; 294 char *manufacturer; 295 char *model_name; 296 char *model_number; 297 char *serial_number; 298 char *device_type; 299 char *config_methods; 300 u8 os_version[4]; 301 char *ap_pin; 302 int skip_cred_build; 303 u8 *extra_cred; 304 size_t extra_cred_len; 305 int wps_cred_processing; 306 u8 *ap_settings; 307 size_t ap_settings_len; 308 char *upnp_iface; 309 char *friendly_name; 310 char *manufacturer_url; 311 char *model_description; 312 char *model_url; 313 char *upc; 314 #endif /* CONFIG_WPS */ 315 }; 316 317 318 /** 319 * struct hostapd_config - Per-radio interface configuration 320 */ 321 struct hostapd_config { 322 struct hostapd_bss_config *bss, *last_bss; 323 size_t num_bss; 324 325 u16 beacon_int; 326 int rts_threshold; 327 int fragm_threshold; 328 u8 send_probe_response; 329 u8 channel; 330 enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */ 331 enum { 332 LONG_PREAMBLE = 0, 333 SHORT_PREAMBLE = 1 334 } preamble; 335 enum { 336 CTS_PROTECTION_AUTOMATIC = 0, 337 CTS_PROTECTION_FORCE_ENABLED = 1, 338 CTS_PROTECTION_FORCE_DISABLED = 2, 339 CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3, 340 } cts_protection_type; 341 342 int *supported_rates; 343 int *basic_rates; 344 345 const struct wpa_driver_ops *driver; 346 347 int ap_table_max_size; 348 int ap_table_expiration_time; 349 350 char country[3]; /* first two octets: country code as described in 351 * ISO/IEC 3166-1. Third octet: 352 * ' ' (ascii 32): all environments 353 * 'O': Outdoor environemnt only 354 * 'I': Indoor environment only 355 */ 356 357 int ieee80211d; 358 359 struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES]; 360 361 /* 362 * WMM AC parameters, in same order as 802.1D, i.e. 363 * 0 = BE (best effort) 364 * 1 = BK (background) 365 * 2 = VI (video) 366 * 3 = VO (voice) 367 */ 368 struct hostapd_wmm_ac_params wmm_ac_params[4]; 369 370 int ht_op_mode_fixed; 371 u16 ht_capab; 372 int ieee80211n; 373 int secondary_channel; 374 }; 375 376 377 int hostapd_mac_comp(const void *a, const void *b); 378 int hostapd_mac_comp_empty(const void *a); 379 struct hostapd_config * hostapd_config_defaults(void); 380 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss); 381 void hostapd_config_free(struct hostapd_config *conf); 382 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries, 383 const u8 *addr, int *vlan_id); 384 int hostapd_rate_found(int *list, int rate); 385 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, 386 struct hostapd_wep_keys *b); 387 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf, 388 const u8 *addr, const u8 *prev_psk); 389 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf); 390 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, 391 int vlan_id); 392 const struct hostapd_eap_user * 393 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity, 394 size_t identity_len, int phase2); 395 396 #endif /* HOSTAPD_CONFIG_H */ 397