src/ap/ap_config.h

   1 /*
   2  * hostapd / Configuration definitions and helpers functions
   3  * Copyright (c) 2003-2012, Jouni Malinen <j@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 "wps/wps.h"
  16
  17 #define MAX_STA_COUNT 2007
  18 #define MAX_VLAN_ID 4094
  19
  20 typedef u8 macaddr[ETH_ALEN];
  21
  22 struct mac_acl_entry {
  23         macaddr addr;
  24         int vlan_id;
  25 };
  26
  27 struct hostapd_radius_servers;
  28 struct ft_remote_r0kh;
  29 struct ft_remote_r1kh;
  30
  31 #define HOSTAPD_MAX_SSID_LEN 32
  32
  33 #define NUM_WEP_KEYS 4
  34 struct hostapd_wep_keys {
  35         u8 idx;
  36         u8 *key[NUM_WEP_KEYS];
  37         size_t len[NUM_WEP_KEYS];
  38         int keys_set;
  39         size_t default_len; /* key length used for dynamic key generation */
  40 };
  41
  42 typedef enum hostap_security_policy {
  43         SECURITY_PLAINTEXT = 0,
  44         SECURITY_STATIC_WEP = 1,
  45         SECURITY_IEEE_802_1X = 2,
  46         SECURITY_WPA_PSK = 3,
  47         SECURITY_WPA = 4
  48 } secpolicy;
  49
  50 struct hostapd_ssid {
  51         char ssid[HOSTAPD_MAX_SSID_LEN + 1];
  52         size_t ssid_len;
  53         int ssid_set;
  54
  55         char vlan[IFNAMSIZ + 1];
  56         secpolicy security_policy;
  57
  58         struct hostapd_wpa_psk *wpa_psk;
  59         char *wpa_passphrase;
  60         char *wpa_psk_file;
  61
  62         struct hostapd_wep_keys wep;
  63
  64 #define DYNAMIC_VLAN_DISABLED 0
  65 #define DYNAMIC_VLAN_OPTIONAL 1
  66 #define DYNAMIC_VLAN_REQUIRED 2
  67         int dynamic_vlan;
  68 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  69         char *vlan_tagged_interface;
  70 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  71         struct hostapd_wep_keys **dyn_vlan_keys;
  72         size_t max_dyn_vlan_keys;
  73 };
  74
  75
  76 #define VLAN_ID_WILDCARD -1
  77
  78 struct hostapd_vlan {
  79         struct hostapd_vlan *next;
  80         int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
  81         char ifname[IFNAMSIZ + 1];
  82         int dynamic_vlan;
  83 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  84
  85 #define DVLAN_CLEAN_BR  0x1
  86 #define DVLAN_CLEAN_VLAN        0x2
  87 #define DVLAN_CLEAN_VLAN_PORT   0x4
  88 #define DVLAN_CLEAN_WLAN_PORT   0x8
  89         int clean;
  90 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  91 };
  92
  93 #define PMK_LEN 32
  94 struct hostapd_wpa_psk {
  95         struct hostapd_wpa_psk *next;
  96         int group;
  97         u8 psk[PMK_LEN];
  98         u8 addr[ETH_ALEN];
  99 };
 100
 101 struct hostapd_eap_user {
 102         struct hostapd_eap_user *next;
 103         u8 *identity;
 104         size_t identity_len;
 105         struct {
 106                 int vendor;
 107                 u32 method;
 108         } methods[EAP_MAX_METHODS];
 109         u8 *password;
 110         size_t password_len;
 111         int phase2;
 112         int force_version;
 113         unsigned int wildcard_prefix:1;
 114         unsigned int password_hash:1; /* whether password is hashed with
 115                                        * nt_password_hash() */
 116         int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
 117 };
 118
 119 struct hostapd_radius_attr {
 120         u8 type;
 121         struct wpabuf *val;
 122         struct hostapd_radius_attr *next;
 123 };
 124
 125
 126 #define NUM_TX_QUEUES 4
 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 };
 134
 135 struct hostapd_wmm_ac_params {
 136         int cwmin;
 137         int cwmax;
 138         int aifs;
 139         int txop_limit; /* in units of 32us */
 140         int admission_control_mandatory;
 141 };
 142
 143
 144 #define MAX_ROAMING_CONSORTIUM_LEN 15
 145
 146 struct hostapd_roaming_consortium {
 147         u8 len;
 148         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
 149 };
 150
 151 struct hostapd_venue_name {
 152         u8 lang[3];
 153         u8 name_len;
 154         u8 name[252];
 155 };
 156
 157 /**
 158  * struct hostapd_bss_config - Per-BSS configuration
 159  */
 160 struct hostapd_bss_config {
 161         char iface[IFNAMSIZ + 1];
 162         char bridge[IFNAMSIZ + 1];
 163         char wds_bridge[IFNAMSIZ + 1];
 164
 165         enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
 166
 167         unsigned int logger_syslog; /* module bitfield */
 168         unsigned int logger_stdout; /* module bitfield */
 169
 170         char *dump_log_name; /* file name for state dump (SIGUSR1) */
 171
 172         int max_num_sta; /* maximum number of STAs in station table */
 173
 174         int dtim_period;
 175
 176         int ieee802_1x; /* use IEEE 802.1X */
 177         int eapol_version;
 178         int eap_server; /* Use internal EAP server instead of external
 179                          * RADIUS server */
 180         struct hostapd_eap_user *eap_user;
 181         char *eap_sim_db;
 182         struct hostapd_ip_addr own_ip_addr;
 183         char *nas_identifier;
 184         struct hostapd_radius_servers *radius;
 185         int acct_interim_interval;
 186         int radius_request_cui;
 187         struct hostapd_radius_attr *radius_auth_req_attr;
 188         struct hostapd_radius_attr *radius_acct_req_attr;
 189         int radius_das_port;
 190         unsigned int radius_das_time_window;
 191         int radius_das_require_event_timestamp;
 192         struct hostapd_ip_addr radius_das_client_addr;
 193         u8 *radius_das_shared_secret;
 194         size_t radius_das_shared_secret_len;
 195
 196         struct hostapd_ssid ssid;
 197
 198         char *eap_req_id_text; /* optional displayable message sent with
 199                                 * EAP Request-Identity */
 200         size_t eap_req_id_text_len;
 201         int eapol_key_index_workaround;
 202
 203         size_t default_wep_key_len;
 204         int individual_wep_key_len;
 205         int wep_rekeying_period;
 206         int broadcast_key_idx_min, broadcast_key_idx_max;
 207         int eap_reauth_period;
 208
 209         int ieee802_11f; /* use IEEE 802.11f (IAPP) */
 210         char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
 211                                         * frames */
 212
 213         enum {
 214                 ACCEPT_UNLESS_DENIED = 0,
 215                 DENY_UNLESS_ACCEPTED = 1,
 216                 USE_EXTERNAL_RADIUS_AUTH = 2
 217         } macaddr_acl;
 218         struct mac_acl_entry *accept_mac;
 219         int num_accept_mac;
 220         struct mac_acl_entry *deny_mac;
 221         int num_deny_mac;
 222         int wds_sta;
 223         int isolate;
 224
 225         int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
 226                         * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
 227
 228         int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
 229         int wpa_key_mgmt;
 230 #ifdef CONFIG_IEEE80211W
 231         enum mfp_options ieee80211w;
 232         /* dot11AssociationSAQueryMaximumTimeout (in TUs) */
 233         unsigned int assoc_sa_query_max_timeout;
 234         /* dot11AssociationSAQueryRetryTimeout (in TUs) */
 235         int assoc_sa_query_retry_timeout;
 236 #endif /* CONFIG_IEEE80211W */
 237         enum {
 238                 PSK_RADIUS_IGNORED = 0,
 239                 PSK_RADIUS_ACCEPTED = 1,
 240                 PSK_RADIUS_REQUIRED = 2
 241         } wpa_psk_radius;
 242         int wpa_pairwise;
 243         int wpa_group;
 244         int wpa_group_rekey;
 245         int wpa_strict_rekey;
 246         int wpa_gmk_rekey;
 247         int wpa_ptk_rekey;
 248         int rsn_pairwise;
 249         int rsn_preauth;
 250         char *rsn_preauth_interfaces;
 251         int peerkey;
 252
 253 #ifdef CONFIG_IEEE80211R
 254         /* IEEE 802.11r - Fast BSS Transition */
 255         u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
 256         u8 r1_key_holder[FT_R1KH_ID_LEN];
 257         u32 r0_key_lifetime;
 258         u32 reassociation_deadline;
 259         struct ft_remote_r0kh *r0kh_list;
 260         struct ft_remote_r1kh *r1kh_list;
 261         int pmk_r1_push;
 262         int ft_over_ds;
 263 #endif /* CONFIG_IEEE80211R */
 264
 265         char *ctrl_interface; /* directory for UNIX domain sockets */
 266 #ifndef CONFIG_NATIVE_WINDOWS
 267         gid_t ctrl_interface_gid;
 268 #endif /* CONFIG_NATIVE_WINDOWS */
 269         int ctrl_interface_gid_set;
 270
 271         char *ca_cert;
 272         char *server_cert;
 273         char *private_key;
 274         char *private_key_passwd;
 275         int check_crl;
 276         char *dh_file;
 277         u8 *pac_opaque_encr_key;
 278         u8 *eap_fast_a_id;
 279         size_t eap_fast_a_id_len;
 280         char *eap_fast_a_id_info;
 281         int eap_fast_prov;
 282         int pac_key_lifetime;
 283         int pac_key_refresh_time;
 284         int eap_sim_aka_result_ind;
 285         int tnc;
 286         int fragment_size;
 287         u16 pwd_group;
 288
 289         char *radius_server_clients;
 290         int radius_server_auth_port;
 291         int radius_server_ipv6;
 292
 293         char *test_socket; /* UNIX domain socket path for driver_test */
 294
 295         int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
 296                                  * address instead of individual address
 297                                  * (for driver_wired.c).
 298                                  */
 299
 300         int ap_max_inactivity;
 301         int ignore_broadcast_ssid;
 302
 303         int wmm_enabled;
 304         int wmm_uapsd;
 305
 306         struct hostapd_vlan *vlan, *vlan_tail;
 307
 308         macaddr bssid;
 309
 310         /*
 311          * Maximum listen interval that STAs can use when associating with this
 312          * BSS. If a STA tries to use larger value, the association will be
 313          * denied with status code 51.
 314          */
 315         u16 max_listen_interval;
 316
 317         int disable_pmksa_caching;
 318         int okc; /* Opportunistic Key Caching */
 319
 320         int wps_state;
 321 #ifdef CONFIG_WPS
 322         int ap_setup_locked;
 323         u8 uuid[16];
 324         char *wps_pin_requests;
 325         char *device_name;
 326         char *manufacturer;
 327         char *model_name;
 328         char *model_number;
 329         char *serial_number;
 330         u8 device_type[WPS_DEV_TYPE_LEN];
 331         char *config_methods;
 332         u8 os_version[4];
 333         char *ap_pin;
 334         int skip_cred_build;
 335         u8 *extra_cred;
 336         size_t extra_cred_len;
 337         int wps_cred_processing;
 338         u8 *ap_settings;
 339         size_t ap_settings_len;
 340         char *upnp_iface;
 341         char *friendly_name;
 342         char *manufacturer_url;
 343         char *model_description;
 344         char *model_url;
 345         char *upc;
 346         struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
 347         int wps_nfc_dev_pw_id;
 348         struct wpabuf *wps_nfc_dh_pubkey;
 349         struct wpabuf *wps_nfc_dh_privkey;
 350         struct wpabuf *wps_nfc_dev_pw;
 351 #endif /* CONFIG_WPS */
 352         int pbc_in_m1;
 353
 354 #define P2P_ENABLED BIT(0)
 355 #define P2P_GROUP_OWNER BIT(1)
 356 #define P2P_GROUP_FORMATION BIT(2)
 357 #define P2P_MANAGE BIT(3)
 358 #define P2P_ALLOW_CROSS_CONNECTION BIT(4)
 359         int p2p;
 360
 361         int disassoc_low_ack;
 362         int skip_inactivity_poll;
 363
 364 #define TDLS_PROHIBIT BIT(0)
 365 #define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
 366         int tdls;
 367         int disable_11n;
 368         int disable_11ac;
 369
 370         /* IEEE 802.11v */
 371         int time_advertisement;
 372         char *time_zone;
 373
 374         /* IEEE 802.11u - Interworking */
 375         int interworking;
 376         int access_network_type;
 377         int internet;
 378         int asra;
 379         int esr;
 380         int uesa;
 381         int venue_info_set;
 382         u8 venue_group;
 383         u8 venue_type;
 384         u8 hessid[ETH_ALEN];
 385
 386         /* IEEE 802.11u - Roaming Consortium list */
 387         unsigned int roaming_consortium_count;
 388         struct hostapd_roaming_consortium *roaming_consortium;
 389
 390         /* IEEE 802.11u - Venue Name duples */
 391         unsigned int venue_name_count;
 392         struct hostapd_venue_name *venue_name;
 393
 394         /* IEEE 802.11u - Network Authentication Type */
 395         u8 *network_auth_type;
 396         size_t network_auth_type_len;
 397
 398         /* IEEE 802.11u - IP Address Type Availability */
 399         u8 ipaddr_type_availability;
 400         u8 ipaddr_type_configured;
 401
 402         /* IEEE 802.11u - Domain Name */
 403         u8 *domain_name;
 404         size_t domain_name_len;
 405
 406         u16 gas_comeback_delay;
 407         int gas_frag_limit;
 408
 409 #ifdef CONFIG_HS20
 410         int hs20;
 411         int disable_dgaf;
 412 #endif /* CONFIG_HS20 */
 413
 414         u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
 415
 416 #ifdef CONFIG_RADIUS_TEST
 417         char *dump_msk_file;
 418 #endif /* CONFIG_RADIUS_TEST */
 419 };
 420
 421
 422 /**
 423  * struct hostapd_config - Per-radio interface configuration
 424  */
 425 struct hostapd_config {
 426         struct hostapd_bss_config *bss, *last_bss;
 427         size_t num_bss;
 428
 429         u16 beacon_int;
 430         int rts_threshold;
 431         int fragm_threshold;
 432         u8 send_probe_response;
 433         u8 channel;
 434         enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 435         enum {
 436                 LONG_PREAMBLE = 0,
 437                 SHORT_PREAMBLE = 1
 438         } preamble;
 439
 440         int *supported_rates;
 441         int *basic_rates;
 442
 443         const struct wpa_driver_ops *driver;
 444
 445         int ap_table_max_size;
 446         int ap_table_expiration_time;
 447
 448         char country[3]; /* first two octets: country code as described in
 449                           * ISO/IEC 3166-1. Third octet:
 450                           * ' ' (ascii 32): all environments
 451                           * 'O': Outdoor environemnt only
 452                           * 'I': Indoor environment only
 453                           */
 454
 455         int ieee80211d;
 456
 457         struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
 458
 459         /*
 460          * WMM AC parameters, in same order as 802.1D, i.e.
 461          * 0 = BE (best effort)
 462          * 1 = BK (background)
 463          * 2 = VI (video)
 464          * 3 = VO (voice)
 465          */
 466         struct hostapd_wmm_ac_params wmm_ac_params[4];
 467
 468         int ht_op_mode_fixed;
 469         u16 ht_capab;
 470         int ieee80211n;
 471         int secondary_channel;
 472         int require_ht;
 473         u32 vht_capab;
 474         int ieee80211ac;
 475         u8 vht_oper_chwidth;
 476 };
 477
 478
 479 int hostapd_mac_comp(const void *a, const void *b);
 480 int hostapd_mac_comp_empty(const void *a);
 481 struct hostapd_config * hostapd_config_defaults(void);
 482 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
 483 void hostapd_config_free(struct hostapd_config *conf);
 484 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
 485                           const u8 *addr, int *vlan_id);
 486 int hostapd_rate_found(int *list, int rate);
 487 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
 488                         struct hostapd_wep_keys *b);
 489 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
 490                            const u8 *addr, const u8 *prev_psk);
 491 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
 492 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
 493                                         int vlan_id);
 494 const struct hostapd_eap_user *
 495 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
 496                      size_t identity_len, int phase2);
 497 struct hostapd_radius_attr *
 498 hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
 499
 500 #endif /* HOSTAPD_CONFIG_H */