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 "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         unsigned int wpa_passphrase_set:1;
  57         unsigned int wpa_psk_set:1;
  58
  59         char vlan[IFNAMSIZ + 1];
  60         secpolicy security_policy;
  61
  62         struct hostapd_wpa_psk *wpa_psk;
  63         char *wpa_passphrase;
  64         char *wpa_psk_file;
  65
  66         struct hostapd_wep_keys wep;
  67
  68 #define DYNAMIC_VLAN_DISABLED 0
  69 #define DYNAMIC_VLAN_OPTIONAL 1
  70 #define DYNAMIC_VLAN_REQUIRED 2
  71         int dynamic_vlan;
  72 #define DYNAMIC_VLAN_NAMING_WITHOUT_DEVICE 0
  73 #define DYNAMIC_VLAN_NAMING_WITH_DEVICE 1
  74 #define DYNAMIC_VLAN_NAMING_END 2
  75         int vlan_naming;
  76 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  77         char *vlan_tagged_interface;
  78 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  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         u8 p2p_dev_addr[ETH_ALEN];
 111 };
 112
 113 struct hostapd_eap_user {
 114         struct hostapd_eap_user *next;
 115         u8 *identity;
 116         size_t identity_len;
 117         struct {
 118                 int vendor;
 119                 u32 method;
 120         } methods[EAP_MAX_METHODS];
 121         u8 *password;
 122         size_t password_len;
 123         int phase2;
 124         int force_version;
 125         unsigned int wildcard_prefix:1;
 126         unsigned int password_hash:1; /* whether password is hashed with
 127                                        * nt_password_hash() */
 128         int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
 129 };
 130
 131 struct hostapd_radius_attr {
 132         u8 type;
 133         struct wpabuf *val;
 134         struct hostapd_radius_attr *next;
 135 };
 136
 137
 138 #define NUM_TX_QUEUES 4
 139
 140 struct hostapd_tx_queue_params {
 141         int aifs;
 142         int cwmin;
 143         int cwmax;
 144         int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
 145 };
 146
 147
 148 #define MAX_ROAMING_CONSORTIUM_LEN 15
 149
 150 struct hostapd_roaming_consortium {
 151         u8 len;
 152         u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
 153 };
 154
 155 struct hostapd_lang_string {
 156         u8 lang[3];
 157         u8 name_len;
 158         u8 name[252];
 159 };
 160
 161 #define MAX_NAI_REALMS 10
 162 #define MAX_NAI_REALMLEN 255
 163 #define MAX_NAI_EAP_METHODS 5
 164 #define MAX_NAI_AUTH_TYPES 4
 165 struct hostapd_nai_realm_data {
 166         u8 encoding;
 167         char realm_buf[MAX_NAI_REALMLEN + 1];
 168         char *realm[MAX_NAI_REALMS];
 169         u8 eap_method_count;
 170         struct hostapd_nai_realm_eap {
 171                 u8 eap_method;
 172                 u8 num_auths;
 173                 u8 auth_id[MAX_NAI_AUTH_TYPES];
 174                 u8 auth_val[MAX_NAI_AUTH_TYPES];
 175         } eap_method[MAX_NAI_EAP_METHODS];
 176 };
 177
 178 /**
 179  * struct hostapd_bss_config - Per-BSS configuration
 180  */
 181 struct hostapd_bss_config {
 182         char iface[IFNAMSIZ + 1];
 183         char bridge[IFNAMSIZ + 1];
 184         char vlan_bridge[IFNAMSIZ + 1];
 185         char wds_bridge[IFNAMSIZ + 1];
 186
 187         enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
 188
 189         unsigned int logger_syslog; /* module bitfield */
 190         unsigned int logger_stdout; /* module bitfield */
 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         int start_disabled;
 246
 247         int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
 248                         * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
 249
 250         int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
 251         int wpa_key_mgmt;
 252 #ifdef CONFIG_IEEE80211W
 253         enum mfp_options ieee80211w;
 254         /* dot11AssociationSAQueryMaximumTimeout (in TUs) */
 255         unsigned int assoc_sa_query_max_timeout;
 256         /* dot11AssociationSAQueryRetryTimeout (in TUs) */
 257         int assoc_sa_query_retry_timeout;
 258 #endif /* CONFIG_IEEE80211W */
 259         enum {
 260                 PSK_RADIUS_IGNORED = 0,
 261                 PSK_RADIUS_ACCEPTED = 1,
 262                 PSK_RADIUS_REQUIRED = 2
 263         } wpa_psk_radius;
 264         int wpa_pairwise;
 265         int wpa_group;
 266         int wpa_group_rekey;
 267         int wpa_strict_rekey;
 268         int wpa_gmk_rekey;
 269         int wpa_ptk_rekey;
 270         int rsn_pairwise;
 271         int rsn_preauth;
 272         char *rsn_preauth_interfaces;
 273         int peerkey;
 274
 275 #ifdef CONFIG_IEEE80211R
 276         /* IEEE 802.11r - Fast BSS Transition */
 277         u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
 278         u8 r1_key_holder[FT_R1KH_ID_LEN];
 279         u32 r0_key_lifetime;
 280         u32 reassociation_deadline;
 281         struct ft_remote_r0kh *r0kh_list;
 282         struct ft_remote_r1kh *r1kh_list;
 283         int pmk_r1_push;
 284         int ft_over_ds;
 285 #endif /* CONFIG_IEEE80211R */
 286
 287         char *ctrl_interface; /* directory for UNIX domain sockets */
 288 #ifndef CONFIG_NATIVE_WINDOWS
 289         gid_t ctrl_interface_gid;
 290 #endif /* CONFIG_NATIVE_WINDOWS */
 291         int ctrl_interface_gid_set;
 292
 293         char *ca_cert;
 294         char *server_cert;
 295         char *private_key;
 296         char *private_key_passwd;
 297         int check_crl;
 298         char *ocsp_stapling_response;
 299         char *dh_file;
 300         u8 *pac_opaque_encr_key;
 301         u8 *eap_fast_a_id;
 302         size_t eap_fast_a_id_len;
 303         char *eap_fast_a_id_info;
 304         int eap_fast_prov;
 305         int pac_key_lifetime;
 306         int pac_key_refresh_time;
 307         int eap_sim_aka_result_ind;
 308         int tnc;
 309         int fragment_size;
 310         u16 pwd_group;
 311
 312         char *radius_server_clients;
 313         int radius_server_auth_port;
 314         int radius_server_ipv6;
 315
 316         char *test_socket; /* UNIX domain socket path for driver_test */
 317
 318         int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
 319                                  * address instead of individual address
 320                                  * (for driver_wired.c).
 321                                  */
 322
 323         int ap_max_inactivity;
 324         int ignore_broadcast_ssid;
 325
 326         int wmm_enabled;
 327         int wmm_uapsd;
 328
 329         struct hostapd_vlan *vlan;
 330
 331         macaddr bssid;
 332
 333         /*
 334          * Maximum listen interval that STAs can use when associating with this
 335          * BSS. If a STA tries to use larger value, the association will be
 336          * denied with status code 51.
 337          */
 338         u16 max_listen_interval;
 339
 340         int disable_pmksa_caching;
 341         int okc; /* Opportunistic Key Caching */
 342
 343         int wps_state;
 344 #ifdef CONFIG_WPS
 345         int wps_independent;
 346         int ap_setup_locked;
 347         u8 uuid[16];
 348         char *wps_pin_requests;
 349         char *device_name;
 350         char *manufacturer;
 351         char *model_name;
 352         char *model_number;
 353         char *serial_number;
 354         u8 device_type[WPS_DEV_TYPE_LEN];
 355         char *config_methods;
 356         u8 os_version[4];
 357         char *ap_pin;
 358         int skip_cred_build;
 359         u8 *extra_cred;
 360         size_t extra_cred_len;
 361         int wps_cred_processing;
 362         int force_per_enrollee_psk;
 363         u8 *ap_settings;
 364         size_t ap_settings_len;
 365         char *upnp_iface;
 366         char *friendly_name;
 367         char *manufacturer_url;
 368         char *model_description;
 369         char *model_url;
 370         char *upc;
 371         struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
 372         int wps_nfc_pw_from_config;
 373         int wps_nfc_dev_pw_id;
 374         struct wpabuf *wps_nfc_dh_pubkey;
 375         struct wpabuf *wps_nfc_dh_privkey;
 376         struct wpabuf *wps_nfc_dev_pw;
 377 #endif /* CONFIG_WPS */
 378         int pbc_in_m1;
 379         char *server_id;
 380
 381 #define P2P_ENABLED BIT(0)
 382 #define P2P_GROUP_OWNER BIT(1)
 383 #define P2P_GROUP_FORMATION BIT(2)
 384 #define P2P_MANAGE BIT(3)
 385 #define P2P_ALLOW_CROSS_CONNECTION BIT(4)
 386         int p2p;
 387 #ifdef CONFIG_P2P
 388         u8 ip_addr_go[4];
 389         u8 ip_addr_mask[4];
 390         u8 ip_addr_start[4];
 391         u8 ip_addr_end[4];
 392 #endif /* CONFIG_P2P */
 393
 394         int disassoc_low_ack;
 395         int skip_inactivity_poll;
 396
 397 #define TDLS_PROHIBIT BIT(0)
 398 #define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
 399         int tdls;
 400         int disable_11n;
 401         int disable_11ac;
 402
 403         /* IEEE 802.11v */
 404         int time_advertisement;
 405         char *time_zone;
 406         int wnm_sleep_mode;
 407         int bss_transition;
 408
 409         /* IEEE 802.11u - Interworking */
 410         int interworking;
 411         int access_network_type;
 412         int internet;
 413         int asra;
 414         int esr;
 415         int uesa;
 416         int venue_info_set;
 417         u8 venue_group;
 418         u8 venue_type;
 419         u8 hessid[ETH_ALEN];
 420
 421         /* IEEE 802.11u - Roaming Consortium list */
 422         unsigned int roaming_consortium_count;
 423         struct hostapd_roaming_consortium *roaming_consortium;
 424
 425         /* IEEE 802.11u - Venue Name duples */
 426         unsigned int venue_name_count;
 427         struct hostapd_lang_string *venue_name;
 428
 429         /* IEEE 802.11u - Network Authentication Type */
 430         u8 *network_auth_type;
 431         size_t network_auth_type_len;
 432
 433         /* IEEE 802.11u - IP Address Type Availability */
 434         u8 ipaddr_type_availability;
 435         u8 ipaddr_type_configured;
 436
 437         /* IEEE 802.11u - 3GPP Cellular Network */
 438         u8 *anqp_3gpp_cell_net;
 439         size_t anqp_3gpp_cell_net_len;
 440
 441         /* IEEE 802.11u - Domain Name */
 442         u8 *domain_name;
 443         size_t domain_name_len;
 444
 445         unsigned int nai_realm_count;
 446         struct hostapd_nai_realm_data *nai_realm_data;
 447
 448         u16 gas_comeback_delay;
 449         int gas_frag_limit;
 450
 451         u8 qos_map_set[16 + 2 * 21];
 452         unsigned int qos_map_set_len;
 453
 454 #ifdef CONFIG_HS20
 455         int hs20;
 456         int disable_dgaf;
 457         unsigned int hs20_oper_friendly_name_count;
 458         struct hostapd_lang_string *hs20_oper_friendly_name;
 459         u8 *hs20_wan_metrics;
 460         u8 *hs20_connection_capability;
 461         size_t hs20_connection_capability_len;
 462         u8 *hs20_operating_class;
 463         u8 hs20_operating_class_len;
 464 #endif /* CONFIG_HS20 */
 465
 466         u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
 467
 468 #ifdef CONFIG_RADIUS_TEST
 469         char *dump_msk_file;
 470 #endif /* CONFIG_RADIUS_TEST */
 471
 472         struct wpabuf *vendor_elements;
 473
 474         unsigned int sae_anti_clogging_threshold;
 475         int *sae_groups;
 476
 477 #ifdef CONFIG_TESTING_OPTIONS
 478         u8 bss_load_test[5];
 479         u8 bss_load_test_set;
 480 #endif /* CONFIG_TESTING_OPTIONS */
 481 };
 482
 483
 484 /**
 485  * struct hostapd_config - Per-radio interface configuration
 486  */
 487 struct hostapd_config {
 488         struct hostapd_bss_config **bss, *last_bss;
 489         size_t num_bss;
 490
 491         u16 beacon_int;
 492         int rts_threshold;
 493         int fragm_threshold;
 494         u8 send_probe_response;
 495         u8 channel;
 496         enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 497         enum {
 498                 LONG_PREAMBLE = 0,
 499                 SHORT_PREAMBLE = 1
 500         } preamble;
 501
 502         int *supported_rates;
 503         int *basic_rates;
 504
 505         const struct wpa_driver_ops *driver;
 506
 507         int ap_table_max_size;
 508         int ap_table_expiration_time;
 509
 510         char country[3]; /* first two octets: country code as described in
 511                           * ISO/IEC 3166-1. Third octet:
 512                           * ' ' (ascii 32): all environments
 513                           * 'O': Outdoor environemnt only
 514                           * 'I': Indoor environment only
 515                           */
 516
 517         int ieee80211d;
 518
 519         int ieee80211h; /* DFS */
 520
 521         struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
 522
 523         /*
 524          * WMM AC parameters, in same order as 802.1D, i.e.
 525          * 0 = BE (best effort)
 526          * 1 = BK (background)
 527          * 2 = VI (video)
 528          * 3 = VO (voice)
 529          */
 530         struct hostapd_wmm_ac_params wmm_ac_params[4];
 531
 532         int ht_op_mode_fixed;
 533         u16 ht_capab;
 534         int ieee80211n;
 535         int secondary_channel;
 536         int require_ht;
 537         int obss_interval;
 538         u32 vht_capab;
 539         int ieee80211ac;
 540         int require_vht;
 541         u8 vht_oper_chwidth;
 542         u8 vht_oper_centr_freq_seg0_idx;
 543         u8 vht_oper_centr_freq_seg1_idx;
 544
 545 #ifdef CONFIG_TESTING_OPTIONS
 546         double ignore_probe_probability;
 547         double ignore_auth_probability;
 548         double ignore_assoc_probability;
 549         double ignore_reassoc_probability;
 550         double corrupt_gtk_rekey_mic_probability;
 551 #endif /* CONFIG_TESTING_OPTIONS */
 552
 553 #ifdef CONFIG_ACS
 554         unsigned int acs_num_scans;
 555 #endif /* CONFIG_ACS */
 556 };
 557
 558
 559 int hostapd_mac_comp(const void *a, const void *b);
 560 int hostapd_mac_comp_empty(const void *a);
 561 struct hostapd_config * hostapd_config_defaults(void);
 562 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
 563 void hostapd_config_free_bss(struct hostapd_bss_config *conf);
 564 void hostapd_config_free(struct hostapd_config *conf);
 565 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
 566                           const u8 *addr, int *vlan_id);
 567 int hostapd_rate_found(int *list, int rate);
 568 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
 569                         struct hostapd_wep_keys *b);
 570 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
 571                            const u8 *addr, const u8 *p2p_dev_addr,
 572                            const u8 *prev_psk);
 573 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
 574 int hostapd_vlan_id_valid(struct hostapd_vlan *vlan, int vlan_id);
 575 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
 576                                         int vlan_id);
 577 struct hostapd_radius_attr *
 578 hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
 579 int hostapd_config_check(struct hostapd_config *conf, int full_config);
 580 void hostapd_set_security_params(struct hostapd_bss_config *bss);
 581
 582 #endif /* HOSTAPD_CONFIG_H */