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 #include "wps/wps.h" 22 23 #define MAX_STA_COUNT 2007 24 #define MAX_VLAN_ID 4094 25 26 typedef u8 macaddr[ETH_ALEN]; 27 28 struct mac_acl_entry { 29 macaddr addr; 30 int vlan_id; 31 }; 32 33 struct hostapd_radius_servers; 34 struct ft_remote_r0kh; 35 struct ft_remote_r1kh; 36 37 #define HOSTAPD_MAX_SSID_LEN 32 38 39 #define NUM_WEP_KEYS 4 40 struct hostapd_wep_keys { 41 u8 idx; 42 u8 *key[NUM_WEP_KEYS]; 43 size_t len[NUM_WEP_KEYS]; 44 int keys_set; 45 size_t default_len; /* key length used for dynamic key generation */ 46 }; 47 48 typedef enum hostap_security_policy { 49 SECURITY_PLAINTEXT = 0, 50 SECURITY_STATIC_WEP = 1, 51 SECURITY_IEEE_802_1X = 2, 52 SECURITY_WPA_PSK = 3, 53 SECURITY_WPA = 4 54 } secpolicy; 55 56 struct hostapd_ssid { 57 char ssid[HOSTAPD_MAX_SSID_LEN + 1]; 58 size_t ssid_len; 59 int ssid_set; 60 61 char vlan[IFNAMSIZ + 1]; 62 secpolicy security_policy; 63 64 struct hostapd_wpa_psk *wpa_psk; 65 char *wpa_passphrase; 66 char *wpa_psk_file; 67 68 struct hostapd_wep_keys wep; 69 70 #define DYNAMIC_VLAN_DISABLED 0 71 #define DYNAMIC_VLAN_OPTIONAL 1 72 #define DYNAMIC_VLAN_REQUIRED 2 73 int dynamic_vlan; 74 #ifdef CONFIG_FULL_DYNAMIC_VLAN 75 char *vlan_tagged_interface; 76 #endif /* CONFIG_FULL_DYNAMIC_VLAN */ 77 struct hostapd_wep_keys **dyn_vlan_keys; 78 size_t max_dyn_vlan_keys; 79 }; 80 81 82 #define VLAN_ID_WILDCARD -1 83 84 struct hostapd_vlan { 85 struct hostapd_vlan *next; 86 int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */ 87 char ifname[IFNAMSIZ + 1]; 88 int dynamic_vlan; 89 #ifdef CONFIG_FULL_DYNAMIC_VLAN 90 91 #define DVLAN_CLEAN_BR 0x1 92 #define DVLAN_CLEAN_VLAN 0x2 93 #define DVLAN_CLEAN_VLAN_PORT 0x4 94 #define DVLAN_CLEAN_WLAN_PORT 0x8 95 int clean; 96 #endif /* CONFIG_FULL_DYNAMIC_VLAN */ 97 }; 98 99 #define PMK_LEN 32 100 struct hostapd_wpa_psk { 101 struct hostapd_wpa_psk *next; 102 int group; 103 u8 psk[PMK_LEN]; 104 u8 addr[ETH_ALEN]; 105 }; 106 107 #define EAP_USER_MAX_METHODS 8 108 struct hostapd_eap_user { 109 struct hostapd_eap_user *next; 110 u8 *identity; 111 size_t identity_len; 112 struct { 113 int vendor; 114 u32 method; 115 } methods[EAP_USER_MAX_METHODS]; 116 u8 *password; 117 size_t password_len; 118 int phase2; 119 int force_version; 120 unsigned int wildcard_prefix:1; 121 unsigned int password_hash:1; /* whether password is hashed with 122 * nt_password_hash() */ 123 int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */ 124 }; 125 126 127 #define NUM_TX_QUEUES 4 128 129 struct hostapd_tx_queue_params { 130 int aifs; 131 int cwmin; 132 int cwmax; 133 int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */ 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 #define MAX_ROAMING_CONSORTIUM_LEN 15 146 147 struct hostapd_roaming_consortium { 148 u8 len; 149 u8 oi[MAX_ROAMING_CONSORTIUM_LEN]; 150 }; 151 152 /** 153 * struct hostapd_bss_config - Per-BSS configuration 154 */ 155 struct hostapd_bss_config { 156 char iface[IFNAMSIZ + 1]; 157 char bridge[IFNAMSIZ + 1]; 158 char wds_bridge[IFNAMSIZ + 1]; 159 160 enum hostapd_logger_level logger_syslog_level, logger_stdout_level; 161 162 unsigned int logger_syslog; /* module bitfield */ 163 unsigned int logger_stdout; /* module bitfield */ 164 165 char *dump_log_name; /* file name for state dump (SIGUSR1) */ 166 167 int max_num_sta; /* maximum number of STAs in station table */ 168 169 int dtim_period; 170 171 int ieee802_1x; /* use IEEE 802.1X */ 172 int eapol_version; 173 int eap_server; /* Use internal EAP server instead of external 174 * RADIUS server */ 175 struct hostapd_eap_user *eap_user; 176 char *eap_sim_db; 177 struct hostapd_ip_addr own_ip_addr; 178 char *nas_identifier; 179 struct hostapd_radius_servers *radius; 180 int acct_interim_interval; 181 182 struct hostapd_ssid ssid; 183 184 char *eap_req_id_text; /* optional displayable message sent with 185 * EAP Request-Identity */ 186 size_t eap_req_id_text_len; 187 int eapol_key_index_workaround; 188 189 size_t default_wep_key_len; 190 int individual_wep_key_len; 191 int wep_rekeying_period; 192 int broadcast_key_idx_min, broadcast_key_idx_max; 193 int eap_reauth_period; 194 195 int ieee802_11f; /* use IEEE 802.11f (IAPP) */ 196 char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast 197 * frames */ 198 199 enum { 200 ACCEPT_UNLESS_DENIED = 0, 201 DENY_UNLESS_ACCEPTED = 1, 202 USE_EXTERNAL_RADIUS_AUTH = 2 203 } macaddr_acl; 204 struct mac_acl_entry *accept_mac; 205 int num_accept_mac; 206 struct mac_acl_entry *deny_mac; 207 int num_deny_mac; 208 int wds_sta; 209 int isolate; 210 211 int auth_algs; /* bitfield of allowed IEEE 802.11 authentication 212 * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */ 213 214 int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */ 215 int wpa_key_mgmt; 216 #ifdef CONFIG_IEEE80211W 217 enum mfp_options ieee80211w; 218 /* dot11AssociationSAQueryMaximumTimeout (in TUs) */ 219 unsigned int assoc_sa_query_max_timeout; 220 /* dot11AssociationSAQueryRetryTimeout (in TUs) */ 221 int assoc_sa_query_retry_timeout; 222 #endif /* CONFIG_IEEE80211W */ 223 int wpa_pairwise; 224 int wpa_group; 225 int wpa_group_rekey; 226 int wpa_strict_rekey; 227 int wpa_gmk_rekey; 228 int wpa_ptk_rekey; 229 int rsn_pairwise; 230 int rsn_preauth; 231 char *rsn_preauth_interfaces; 232 int peerkey; 233 234 #ifdef CONFIG_IEEE80211R 235 /* IEEE 802.11r - Fast BSS Transition */ 236 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; 237 u8 r1_key_holder[FT_R1KH_ID_LEN]; 238 u32 r0_key_lifetime; 239 u32 reassociation_deadline; 240 struct ft_remote_r0kh *r0kh_list; 241 struct ft_remote_r1kh *r1kh_list; 242 int pmk_r1_push; 243 int ft_over_ds; 244 #endif /* CONFIG_IEEE80211R */ 245 246 char *ctrl_interface; /* directory for UNIX domain sockets */ 247 #ifndef CONFIG_NATIVE_WINDOWS 248 gid_t ctrl_interface_gid; 249 #endif /* CONFIG_NATIVE_WINDOWS */ 250 int ctrl_interface_gid_set; 251 252 char *ca_cert; 253 char *server_cert; 254 char *private_key; 255 char *private_key_passwd; 256 int check_crl; 257 char *dh_file; 258 u8 *pac_opaque_encr_key; 259 u8 *eap_fast_a_id; 260 size_t eap_fast_a_id_len; 261 char *eap_fast_a_id_info; 262 int eap_fast_prov; 263 int pac_key_lifetime; 264 int pac_key_refresh_time; 265 int eap_sim_aka_result_ind; 266 int tnc; 267 int fragment_size; 268 u16 pwd_group; 269 270 char *radius_server_clients; 271 int radius_server_auth_port; 272 int radius_server_ipv6; 273 274 char *test_socket; /* UNIX domain socket path for driver_test */ 275 276 int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group 277 * address instead of individual address 278 * (for driver_wired.c). 279 */ 280 281 int ap_max_inactivity; 282 int ignore_broadcast_ssid; 283 284 int wmm_enabled; 285 int wmm_uapsd; 286 287 struct hostapd_vlan *vlan, *vlan_tail; 288 289 macaddr bssid; 290 291 /* 292 * Maximum listen interval that STAs can use when associating with this 293 * BSS. If a STA tries to use larger value, the association will be 294 * denied with status code 51. 295 */ 296 u16 max_listen_interval; 297 298 int disable_pmksa_caching; 299 int okc; /* Opportunistic Key Caching */ 300 301 int wps_state; 302 #ifdef CONFIG_WPS 303 int ap_setup_locked; 304 u8 uuid[16]; 305 char *wps_pin_requests; 306 char *device_name; 307 char *manufacturer; 308 char *model_name; 309 char *model_number; 310 char *serial_number; 311 u8 device_type[WPS_DEV_TYPE_LEN]; 312 char *config_methods; 313 u8 os_version[4]; 314 char *ap_pin; 315 int skip_cred_build; 316 u8 *extra_cred; 317 size_t extra_cred_len; 318 int wps_cred_processing; 319 u8 *ap_settings; 320 size_t ap_settings_len; 321 char *upnp_iface; 322 char *friendly_name; 323 char *manufacturer_url; 324 char *model_description; 325 char *model_url; 326 char *upc; 327 struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS]; 328 #endif /* CONFIG_WPS */ 329 int pbc_in_m1; 330 331 #define P2P_ENABLED BIT(0) 332 #define P2P_GROUP_OWNER BIT(1) 333 #define P2P_GROUP_FORMATION BIT(2) 334 #define P2P_MANAGE BIT(3) 335 #define P2P_ALLOW_CROSS_CONNECTION BIT(4) 336 int p2p; 337 338 int disassoc_low_ack; 339 340 #define TDLS_PROHIBIT BIT(0) 341 #define TDLS_PROHIBIT_CHAN_SWITCH BIT(1) 342 int tdls; 343 int disable_11n; 344 345 /* IEEE 802.11v */ 346 int time_advertisement; 347 char *time_zone; 348 349 /* IEEE 802.11u - Interworking */ 350 int interworking; 351 int access_network_type; 352 int internet; 353 int asra; 354 int esr; 355 int uesa; 356 int venue_info_set; 357 u8 venue_group; 358 u8 venue_type; 359 u8 hessid[ETH_ALEN]; 360 361 /* IEEE 802.11u - Roaming Consortium list */ 362 unsigned int roaming_consortium_count; 363 struct hostapd_roaming_consortium *roaming_consortium; 364 }; 365 366 367 /** 368 * struct hostapd_config - Per-radio interface configuration 369 */ 370 struct hostapd_config { 371 struct hostapd_bss_config *bss, *last_bss; 372 size_t num_bss; 373 374 u16 beacon_int; 375 int rts_threshold; 376 int fragm_threshold; 377 u8 send_probe_response; 378 u8 channel; 379 enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */ 380 enum { 381 LONG_PREAMBLE = 0, 382 SHORT_PREAMBLE = 1 383 } preamble; 384 385 int *supported_rates; 386 int *basic_rates; 387 388 const struct wpa_driver_ops *driver; 389 390 int ap_table_max_size; 391 int ap_table_expiration_time; 392 393 char country[3]; /* first two octets: country code as described in 394 * ISO/IEC 3166-1. Third octet: 395 * ' ' (ascii 32): all environments 396 * 'O': Outdoor environemnt only 397 * 'I': Indoor environment only 398 */ 399 400 int ieee80211d; 401 402 struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES]; 403 404 /* 405 * WMM AC parameters, in same order as 802.1D, i.e. 406 * 0 = BE (best effort) 407 * 1 = BK (background) 408 * 2 = VI (video) 409 * 3 = VO (voice) 410 */ 411 struct hostapd_wmm_ac_params wmm_ac_params[4]; 412 413 int ht_op_mode_fixed; 414 u16 ht_capab; 415 int ieee80211n; 416 int secondary_channel; 417 int require_ht; 418 }; 419 420 421 int hostapd_mac_comp(const void *a, const void *b); 422 int hostapd_mac_comp_empty(const void *a); 423 struct hostapd_config * hostapd_config_defaults(void); 424 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss); 425 void hostapd_config_free(struct hostapd_config *conf); 426 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries, 427 const u8 *addr, int *vlan_id); 428 int hostapd_rate_found(int *list, int rate); 429 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, 430 struct hostapd_wep_keys *b); 431 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf, 432 const u8 *addr, const u8 *prev_psk); 433 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf); 434 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, 435 int vlan_id); 436 const struct hostapd_eap_user * 437 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity, 438 size_t identity_len, int phase2); 439 440 #endif /* HOSTAPD_CONFIG_H */ 441