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      1 /*
      2  * hostapd / Configuration definitions and helpers functions
      3  * Copyright (c) 2003-2012, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #ifndef HOSTAPD_CONFIG_H
     10 #define HOSTAPD_CONFIG_H
     11 
     12 #include "common/defs.h"
     13 #include "ip_addr.h"
     14 #include "common/wpa_common.h"
     15 #include "common/ieee802_11_common.h"
     16 #include "wps/wps.h"
     17 
     18 #define MAX_STA_COUNT 2007
     19 #define MAX_VLAN_ID 4094
     20 
     21 typedef u8 macaddr[ETH_ALEN];
     22 
     23 struct mac_acl_entry {
     24 	macaddr addr;
     25 	int vlan_id;
     26 };
     27 
     28 struct hostapd_radius_servers;
     29 struct ft_remote_r0kh;
     30 struct ft_remote_r1kh;
     31 
     32 #define HOSTAPD_MAX_SSID_LEN 32
     33 
     34 #define NUM_WEP_KEYS 4
     35 struct hostapd_wep_keys {
     36 	u8 idx;
     37 	u8 *key[NUM_WEP_KEYS];
     38 	size_t len[NUM_WEP_KEYS];
     39 	int keys_set;
     40 	size_t default_len; /* key length used for dynamic key generation */
     41 };
     42 
     43 typedef enum hostap_security_policy {
     44 	SECURITY_PLAINTEXT = 0,
     45 	SECURITY_STATIC_WEP = 1,
     46 	SECURITY_IEEE_802_1X = 2,
     47 	SECURITY_WPA_PSK = 3,
     48 	SECURITY_WPA = 4
     49 } secpolicy;
     50 
     51 struct hostapd_ssid {
     52 	u8 ssid[HOSTAPD_MAX_SSID_LEN];
     53 	size_t ssid_len;
     54 	unsigned int ssid_set:1;
     55 	unsigned int utf8_ssid:1;
     56 
     57 	char vlan[IFNAMSIZ + 1];
     58 	secpolicy security_policy;
     59 
     60 	struct hostapd_wpa_psk *wpa_psk;
     61 	char *wpa_passphrase;
     62 	char *wpa_psk_file;
     63 
     64 	struct hostapd_wep_keys wep;
     65 
     66 #define DYNAMIC_VLAN_DISABLED 0
     67 #define DYNAMIC_VLAN_OPTIONAL 1
     68 #define DYNAMIC_VLAN_REQUIRED 2
     69 	int dynamic_vlan;
     70 #define DYNAMIC_VLAN_NAMING_WITHOUT_DEVICE 0
     71 #define DYNAMIC_VLAN_NAMING_WITH_DEVICE 1
     72 #define DYNAMIC_VLAN_NAMING_END 2
     73 	int vlan_naming;
     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_sta_wpa_psk_short {
    101 	struct hostapd_sta_wpa_psk_short *next;
    102 	u8 psk[PMK_LEN];
    103 };
    104 
    105 struct hostapd_wpa_psk {
    106 	struct hostapd_wpa_psk *next;
    107 	int group;
    108 	u8 psk[PMK_LEN];
    109 	u8 addr[ETH_ALEN];
    110 };
    111 
    112 struct hostapd_eap_user {
    113 	struct hostapd_eap_user *next;
    114 	u8 *identity;
    115 	size_t identity_len;
    116 	struct {
    117 		int vendor;
    118 		u32 method;
    119 	} methods[EAP_MAX_METHODS];
    120 	u8 *password;
    121 	size_t password_len;
    122 	int phase2;
    123 	int force_version;
    124 	unsigned int wildcard_prefix:1;
    125 	unsigned int password_hash:1; /* whether password is hashed with
    126 				       * nt_password_hash() */
    127 	int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
    128 };
    129 
    130 struct hostapd_radius_attr {
    131 	u8 type;
    132 	struct wpabuf *val;
    133 	struct hostapd_radius_attr *next;
    134 };
    135 
    136 
    137 #define NUM_TX_QUEUES 4
    138 
    139 struct hostapd_tx_queue_params {
    140 	int aifs;
    141 	int cwmin;
    142 	int cwmax;
    143 	int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
    144 };
    145 
    146 
    147 #define MAX_ROAMING_CONSORTIUM_LEN 15
    148 
    149 struct hostapd_roaming_consortium {
    150 	u8 len;
    151 	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
    152 };
    153 
    154 struct hostapd_lang_string {
    155 	u8 lang[3];
    156 	u8 name_len;
    157 	u8 name[252];
    158 };
    159 
    160 #define MAX_NAI_REALMS 10
    161 #define MAX_NAI_REALMLEN 255
    162 #define MAX_NAI_EAP_METHODS 5
    163 #define MAX_NAI_AUTH_TYPES 4
    164 struct hostapd_nai_realm_data {
    165 	u8 encoding;
    166 	char realm_buf[MAX_NAI_REALMLEN + 1];
    167 	char *realm[MAX_NAI_REALMS];
    168 	u8 eap_method_count;
    169 	struct hostapd_nai_realm_eap {
    170 		u8 eap_method;
    171 		u8 num_auths;
    172 		u8 auth_id[MAX_NAI_AUTH_TYPES];
    173 		u8 auth_val[MAX_NAI_AUTH_TYPES];
    174 	} eap_method[MAX_NAI_EAP_METHODS];
    175 };
    176 
    177 /**
    178  * struct hostapd_bss_config - Per-BSS configuration
    179  */
    180 struct hostapd_bss_config {
    181 	char iface[IFNAMSIZ + 1];
    182 	char bridge[IFNAMSIZ + 1];
    183 	char wds_bridge[IFNAMSIZ + 1];
    184 
    185 	enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
    186 
    187 	unsigned int logger_syslog; /* module bitfield */
    188 	unsigned int logger_stdout; /* module bitfield */
    189 
    190 	char *dump_log_name; /* file name for state dump (SIGUSR1) */
    191 
    192 	int max_num_sta; /* maximum number of STAs in station table */
    193 
    194 	int dtim_period;
    195 
    196 	int ieee802_1x; /* use IEEE 802.1X */
    197 	int eapol_version;
    198 	int eap_server; /* Use internal EAP server instead of external
    199 			 * RADIUS server */
    200 	struct hostapd_eap_user *eap_user;
    201 	char *eap_user_sqlite;
    202 	char *eap_sim_db;
    203 	struct hostapd_ip_addr own_ip_addr;
    204 	char *nas_identifier;
    205 	struct hostapd_radius_servers *radius;
    206 	int acct_interim_interval;
    207 	int radius_request_cui;
    208 	struct hostapd_radius_attr *radius_auth_req_attr;
    209 	struct hostapd_radius_attr *radius_acct_req_attr;
    210 	int radius_das_port;
    211 	unsigned int radius_das_time_window;
    212 	int radius_das_require_event_timestamp;
    213 	struct hostapd_ip_addr radius_das_client_addr;
    214 	u8 *radius_das_shared_secret;
    215 	size_t radius_das_shared_secret_len;
    216 
    217 	struct hostapd_ssid ssid;
    218 
    219 	char *eap_req_id_text; /* optional displayable message sent with
    220 				* EAP Request-Identity */
    221 	size_t eap_req_id_text_len;
    222 	int eapol_key_index_workaround;
    223 
    224 	size_t default_wep_key_len;
    225 	int individual_wep_key_len;
    226 	int wep_rekeying_period;
    227 	int broadcast_key_idx_min, broadcast_key_idx_max;
    228 	int eap_reauth_period;
    229 
    230 	int ieee802_11f; /* use IEEE 802.11f (IAPP) */
    231 	char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
    232 					* frames */
    233 
    234 	enum {
    235 		ACCEPT_UNLESS_DENIED = 0,
    236 		DENY_UNLESS_ACCEPTED = 1,
    237 		USE_EXTERNAL_RADIUS_AUTH = 2
    238 	} macaddr_acl;
    239 	struct mac_acl_entry *accept_mac;
    240 	int num_accept_mac;
    241 	struct mac_acl_entry *deny_mac;
    242 	int num_deny_mac;
    243 	int wds_sta;
    244 	int isolate;
    245 
    246 	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
    247 			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
    248 
    249 	int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
    250 	int wpa_key_mgmt;
    251 #ifdef CONFIG_IEEE80211W
    252 	enum mfp_options ieee80211w;
    253 	/* dot11AssociationSAQueryMaximumTimeout (in TUs) */
    254 	unsigned int assoc_sa_query_max_timeout;
    255 	/* dot11AssociationSAQueryRetryTimeout (in TUs) */
    256 	int assoc_sa_query_retry_timeout;
    257 #endif /* CONFIG_IEEE80211W */
    258 	enum {
    259 		PSK_RADIUS_IGNORED = 0,
    260 		PSK_RADIUS_ACCEPTED = 1,
    261 		PSK_RADIUS_REQUIRED = 2
    262 	} wpa_psk_radius;
    263 	int wpa_pairwise;
    264 	int wpa_group;
    265 	int wpa_group_rekey;
    266 	int wpa_strict_rekey;
    267 	int wpa_gmk_rekey;
    268 	int wpa_ptk_rekey;
    269 	int rsn_pairwise;
    270 	int rsn_preauth;
    271 	char *rsn_preauth_interfaces;
    272 	int peerkey;
    273 
    274 #ifdef CONFIG_IEEE80211R
    275 	/* IEEE 802.11r - Fast BSS Transition */
    276 	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
    277 	u8 r1_key_holder[FT_R1KH_ID_LEN];
    278 	u32 r0_key_lifetime;
    279 	u32 reassociation_deadline;
    280 	struct ft_remote_r0kh *r0kh_list;
    281 	struct ft_remote_r1kh *r1kh_list;
    282 	int pmk_r1_push;
    283 	int ft_over_ds;
    284 #endif /* CONFIG_IEEE80211R */
    285 
    286 	char *ctrl_interface; /* directory for UNIX domain sockets */
    287 #ifndef CONFIG_NATIVE_WINDOWS
    288 	gid_t ctrl_interface_gid;
    289 #endif /* CONFIG_NATIVE_WINDOWS */
    290 	int ctrl_interface_gid_set;
    291 
    292 	char *ca_cert;
    293 	char *server_cert;
    294 	char *private_key;
    295 	char *private_key_passwd;
    296 	int check_crl;
    297 	char *dh_file;
    298 	u8 *pac_opaque_encr_key;
    299 	u8 *eap_fast_a_id;
    300 	size_t eap_fast_a_id_len;
    301 	char *eap_fast_a_id_info;
    302 	int eap_fast_prov;
    303 	int pac_key_lifetime;
    304 	int pac_key_refresh_time;
    305 	int eap_sim_aka_result_ind;
    306 	int tnc;
    307 	int fragment_size;
    308 	u16 pwd_group;
    309 
    310 	char *radius_server_clients;
    311 	int radius_server_auth_port;
    312 	int radius_server_ipv6;
    313 
    314 	char *test_socket; /* UNIX domain socket path for driver_test */
    315 
    316 	int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
    317 				 * address instead of individual address
    318 				 * (for driver_wired.c).
    319 				 */
    320 
    321 	int ap_max_inactivity;
    322 	int ignore_broadcast_ssid;
    323 
    324 	int wmm_enabled;
    325 	int wmm_uapsd;
    326 
    327 	struct hostapd_vlan *vlan, *vlan_tail;
    328 
    329 	macaddr bssid;
    330 
    331 	/*
    332 	 * Maximum listen interval that STAs can use when associating with this
    333 	 * BSS. If a STA tries to use larger value, the association will be
    334 	 * denied with status code 51.
    335 	 */
    336 	u16 max_listen_interval;
    337 
    338 	int disable_pmksa_caching;
    339 	int okc; /* Opportunistic Key Caching */
    340 
    341 	int wps_state;
    342 #ifdef CONFIG_WPS
    343 	int wps_independent;
    344 	int ap_setup_locked;
    345 	u8 uuid[16];
    346 	char *wps_pin_requests;
    347 	char *device_name;
    348 	char *manufacturer;
    349 	char *model_name;
    350 	char *model_number;
    351 	char *serial_number;
    352 	u8 device_type[WPS_DEV_TYPE_LEN];
    353 	char *config_methods;
    354 	u8 os_version[4];
    355 	char *ap_pin;
    356 	int skip_cred_build;
    357 	u8 *extra_cred;
    358 	size_t extra_cred_len;
    359 	int wps_cred_processing;
    360 	u8 *ap_settings;
    361 	size_t ap_settings_len;
    362 	char *upnp_iface;
    363 	char *friendly_name;
    364 	char *manufacturer_url;
    365 	char *model_description;
    366 	char *model_url;
    367 	char *upc;
    368 	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
    369 	int wps_nfc_pw_from_config;
    370 	int wps_nfc_dev_pw_id;
    371 	struct wpabuf *wps_nfc_dh_pubkey;
    372 	struct wpabuf *wps_nfc_dh_privkey;
    373 	struct wpabuf *wps_nfc_dev_pw;
    374 #endif /* CONFIG_WPS */
    375 	int pbc_in_m1;
    376 
    377 #define P2P_ENABLED BIT(0)
    378 #define P2P_GROUP_OWNER BIT(1)
    379 #define P2P_GROUP_FORMATION BIT(2)
    380 #define P2P_MANAGE BIT(3)
    381 #define P2P_ALLOW_CROSS_CONNECTION BIT(4)
    382 	int p2p;
    383 
    384 	int disassoc_low_ack;
    385 	int skip_inactivity_poll;
    386 
    387 #define TDLS_PROHIBIT BIT(0)
    388 #define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
    389 	int tdls;
    390 	int disable_11n;
    391 	int disable_11ac;
    392 
    393 	/* IEEE 802.11v */
    394 	int time_advertisement;
    395 	char *time_zone;
    396 	int wnm_sleep_mode;
    397 	int bss_transition;
    398 
    399 	/* IEEE 802.11u - Interworking */
    400 	int interworking;
    401 	int access_network_type;
    402 	int internet;
    403 	int asra;
    404 	int esr;
    405 	int uesa;
    406 	int venue_info_set;
    407 	u8 venue_group;
    408 	u8 venue_type;
    409 	u8 hessid[ETH_ALEN];
    410 
    411 	/* IEEE 802.11u - Roaming Consortium list */
    412 	unsigned int roaming_consortium_count;
    413 	struct hostapd_roaming_consortium *roaming_consortium;
    414 
    415 	/* IEEE 802.11u - Venue Name duples */
    416 	unsigned int venue_name_count;
    417 	struct hostapd_lang_string *venue_name;
    418 
    419 	/* IEEE 802.11u - Network Authentication Type */
    420 	u8 *network_auth_type;
    421 	size_t network_auth_type_len;
    422 
    423 	/* IEEE 802.11u - IP Address Type Availability */
    424 	u8 ipaddr_type_availability;
    425 	u8 ipaddr_type_configured;
    426 
    427 	/* IEEE 802.11u - 3GPP Cellular Network */
    428 	u8 *anqp_3gpp_cell_net;
    429 	size_t anqp_3gpp_cell_net_len;
    430 
    431 	/* IEEE 802.11u - Domain Name */
    432 	u8 *domain_name;
    433 	size_t domain_name_len;
    434 
    435 	unsigned int nai_realm_count;
    436 	struct hostapd_nai_realm_data *nai_realm_data;
    437 
    438 	u16 gas_comeback_delay;
    439 	int gas_frag_limit;
    440 
    441 #ifdef CONFIG_HS20
    442 	int hs20;
    443 	int disable_dgaf;
    444 	unsigned int hs20_oper_friendly_name_count;
    445 	struct hostapd_lang_string *hs20_oper_friendly_name;
    446 	u8 *hs20_wan_metrics;
    447 	u8 *hs20_connection_capability;
    448 	size_t hs20_connection_capability_len;
    449 	u8 *hs20_operating_class;
    450 	u8 hs20_operating_class_len;
    451 #endif /* CONFIG_HS20 */
    452 
    453 	u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
    454 
    455 #ifdef CONFIG_RADIUS_TEST
    456 	char *dump_msk_file;
    457 #endif /* CONFIG_RADIUS_TEST */
    458 
    459 	struct wpabuf *vendor_elements;
    460 
    461 	unsigned int sae_anti_clogging_threshold;
    462 	int *sae_groups;
    463 };
    464 
    465 
    466 /**
    467  * struct hostapd_config - Per-radio interface configuration
    468  */
    469 struct hostapd_config {
    470 	struct hostapd_bss_config *bss, *last_bss;
    471 	size_t num_bss;
    472 
    473 	u16 beacon_int;
    474 	int rts_threshold;
    475 	int fragm_threshold;
    476 	u8 send_probe_response;
    477 	u8 channel;
    478 	enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
    479 	enum {
    480 		LONG_PREAMBLE = 0,
    481 		SHORT_PREAMBLE = 1
    482 	} preamble;
    483 
    484 	int *supported_rates;
    485 	int *basic_rates;
    486 
    487 	const struct wpa_driver_ops *driver;
    488 
    489 	int ap_table_max_size;
    490 	int ap_table_expiration_time;
    491 
    492 	char country[3]; /* first two octets: country code as described in
    493 			  * ISO/IEC 3166-1. Third octet:
    494 			  * ' ' (ascii 32): all environments
    495 			  * 'O': Outdoor environemnt only
    496 			  * 'I': Indoor environment only
    497 			  */
    498 
    499 	int ieee80211d;
    500 
    501 	struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
    502 
    503 	/*
    504 	 * WMM AC parameters, in same order as 802.1D, i.e.
    505 	 * 0 = BE (best effort)
    506 	 * 1 = BK (background)
    507 	 * 2 = VI (video)
    508 	 * 3 = VO (voice)
    509 	 */
    510 	struct hostapd_wmm_ac_params wmm_ac_params[4];
    511 
    512 	int ht_op_mode_fixed;
    513 	u16 ht_capab;
    514 	int ieee80211n;
    515 	int secondary_channel;
    516 	int require_ht;
    517 	u32 vht_capab;
    518 	int ieee80211ac;
    519 	int require_vht;
    520 	u8 vht_oper_chwidth;
    521 	u8 vht_oper_centr_freq_seg0_idx;
    522 	u8 vht_oper_centr_freq_seg1_idx;
    523 };
    524 
    525 
    526 int hostapd_mac_comp(const void *a, const void *b);
    527 int hostapd_mac_comp_empty(const void *a);
    528 struct hostapd_config * hostapd_config_defaults(void);
    529 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
    530 void hostapd_config_free(struct hostapd_config *conf);
    531 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
    532 			  const u8 *addr, int *vlan_id);
    533 int hostapd_rate_found(int *list, int rate);
    534 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
    535 			struct hostapd_wep_keys *b);
    536 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
    537 			   const u8 *addr, const u8 *prev_psk);
    538 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
    539 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
    540 					int vlan_id);
    541 struct hostapd_radius_attr *
    542 hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
    543 
    544 #endif /* HOSTAPD_CONFIG_H */
    545