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
  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 vlan_bridge[IFNAMSIZ + 1];
 184         char wds_bridge[IFNAMSIZ + 1];
 185
 186         enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
 187
 188         unsigned int logger_syslog; /* module bitfield */
 189         unsigned int logger_stdout; /* module bitfield */
 190
 191         char *dump_log_name; /* file name for state dump (SIGUSR1) */
 192
 193         int max_num_sta; /* maximum number of STAs in station table */
 194
 195         int dtim_period;
 196
 197         int ieee802_1x; /* use IEEE 802.1X */
 198         int eapol_version;
 199         int eap_server; /* Use internal EAP server instead of external
 200                          * RADIUS server */
 201         struct hostapd_eap_user *eap_user;
 202         char *eap_user_sqlite;
 203         char *eap_sim_db;
 204         struct hostapd_ip_addr own_ip_addr;
 205         char *nas_identifier;
 206         struct hostapd_radius_servers *radius;
 207         int acct_interim_interval;
 208         int radius_request_cui;
 209         struct hostapd_radius_attr *radius_auth_req_attr;
 210         struct hostapd_radius_attr *radius_acct_req_attr;
 211         int radius_das_port;
 212         unsigned int radius_das_time_window;
 213         int radius_das_require_event_timestamp;
 214         struct hostapd_ip_addr radius_das_client_addr;
 215         u8 *radius_das_shared_secret;
 216         size_t radius_das_shared_secret_len;
 217
 218         struct hostapd_ssid ssid;
 219
 220         char *eap_req_id_text; /* optional displayable message sent with
 221                                 * EAP Request-Identity */
 222         size_t eap_req_id_text_len;
 223         int eapol_key_index_workaround;
 224
 225         size_t default_wep_key_len;
 226         int individual_wep_key_len;
 227         int wep_rekeying_period;
 228         int broadcast_key_idx_min, broadcast_key_idx_max;
 229         int eap_reauth_period;
 230
 231         int ieee802_11f; /* use IEEE 802.11f (IAPP) */
 232         char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
 233                                         * frames */
 234
 235         enum {
 236                 ACCEPT_UNLESS_DENIED = 0,
 237                 DENY_UNLESS_ACCEPTED = 1,
 238                 USE_EXTERNAL_RADIUS_AUTH = 2
 239         } macaddr_acl;
 240         struct mac_acl_entry *accept_mac;
 241         int num_accept_mac;
 242         struct mac_acl_entry *deny_mac;
 243         int num_deny_mac;
 244         int wds_sta;
 245         int isolate;
 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, *vlan_tail;
 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         u8 *ap_settings;
 363         size_t ap_settings_len;
 364         char *upnp_iface;
 365         char *friendly_name;
 366         char *manufacturer_url;
 367         char *model_description;
 368         char *model_url;
 369         char *upc;
 370         struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
 371         int wps_nfc_pw_from_config;
 372         int wps_nfc_dev_pw_id;
 373         struct wpabuf *wps_nfc_dh_pubkey;
 374         struct wpabuf *wps_nfc_dh_privkey;
 375         struct wpabuf *wps_nfc_dev_pw;
 376 #endif /* CONFIG_WPS */
 377         int pbc_in_m1;
 378
 379 #define P2P_ENABLED BIT(0)
 380 #define P2P_GROUP_OWNER BIT(1)
 381 #define P2P_GROUP_FORMATION BIT(2)
 382 #define P2P_MANAGE BIT(3)
 383 #define P2P_ALLOW_CROSS_CONNECTION BIT(4)
 384         int p2p;
 385
 386         int disassoc_low_ack;
 387         int skip_inactivity_poll;
 388
 389 #define TDLS_PROHIBIT BIT(0)
 390 #define TDLS_PROHIBIT_CHAN_SWITCH BIT(1)
 391         int tdls;
 392         int disable_11n;
 393         int disable_11ac;
 394
 395         /* IEEE 802.11v */
 396         int time_advertisement;
 397         char *time_zone;
 398         int wnm_sleep_mode;
 399         int bss_transition;
 400
 401         /* IEEE 802.11u - Interworking */
 402         int interworking;
 403         int access_network_type;
 404         int internet;
 405         int asra;
 406         int esr;
 407         int uesa;
 408         int venue_info_set;
 409         u8 venue_group;
 410         u8 venue_type;
 411         u8 hessid[ETH_ALEN];
 412
 413         /* IEEE 802.11u - Roaming Consortium list */
 414         unsigned int roaming_consortium_count;
 415         struct hostapd_roaming_consortium *roaming_consortium;
 416
 417         /* IEEE 802.11u - Venue Name duples */
 418         unsigned int venue_name_count;
 419         struct hostapd_lang_string *venue_name;
 420
 421         /* IEEE 802.11u - Network Authentication Type */
 422         u8 *network_auth_type;
 423         size_t network_auth_type_len;
 424
 425         /* IEEE 802.11u - IP Address Type Availability */
 426         u8 ipaddr_type_availability;
 427         u8 ipaddr_type_configured;
 428
 429         /* IEEE 802.11u - 3GPP Cellular Network */
 430         u8 *anqp_3gpp_cell_net;
 431         size_t anqp_3gpp_cell_net_len;
 432
 433         /* IEEE 802.11u - Domain Name */
 434         u8 *domain_name;
 435         size_t domain_name_len;
 436
 437         unsigned int nai_realm_count;
 438         struct hostapd_nai_realm_data *nai_realm_data;
 439
 440         u16 gas_comeback_delay;
 441         int gas_frag_limit;
 442
 443 #ifdef CONFIG_HS20
 444         int hs20;
 445         int disable_dgaf;
 446         unsigned int hs20_oper_friendly_name_count;
 447         struct hostapd_lang_string *hs20_oper_friendly_name;
 448         u8 *hs20_wan_metrics;
 449         u8 *hs20_connection_capability;
 450         size_t hs20_connection_capability_len;
 451         u8 *hs20_operating_class;
 452         u8 hs20_operating_class_len;
 453 #endif /* CONFIG_HS20 */
 454
 455         u8 wps_rf_bands; /* RF bands for WPS (WPS_RF_*) */
 456
 457 #ifdef CONFIG_RADIUS_TEST
 458         char *dump_msk_file;
 459 #endif /* CONFIG_RADIUS_TEST */
 460
 461         struct wpabuf *vendor_elements;
 462
 463         unsigned int sae_anti_clogging_threshold;
 464         int *sae_groups;
 465 };
 466
 467
 468 /**
 469  * struct hostapd_config - Per-radio interface configuration
 470  */
 471 struct hostapd_config {
 472         struct hostapd_bss_config *bss, *last_bss;
 473         size_t num_bss;
 474
 475         u16 beacon_int;
 476         int rts_threshold;
 477         int fragm_threshold;
 478         u8 send_probe_response;
 479         u8 channel;
 480         enum hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 481         enum {
 482                 LONG_PREAMBLE = 0,
 483                 SHORT_PREAMBLE = 1
 484         } preamble;
 485
 486         int *supported_rates;
 487         int *basic_rates;
 488
 489         const struct wpa_driver_ops *driver;
 490
 491         int ap_table_max_size;
 492         int ap_table_expiration_time;
 493
 494         char country[3]; /* first two octets: country code as described in
 495                           * ISO/IEC 3166-1. Third octet:
 496                           * ' ' (ascii 32): all environments
 497                           * 'O': Outdoor environemnt only
 498                           * 'I': Indoor environment only
 499                           */
 500
 501         int ieee80211d;
 502
 503         int ieee80211h; /* DFS */
 504
 505         struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
 506
 507         /*
 508          * WMM AC parameters, in same order as 802.1D, i.e.
 509          * 0 = BE (best effort)
 510          * 1 = BK (background)
 511          * 2 = VI (video)
 512          * 3 = VO (voice)
 513          */
 514         struct hostapd_wmm_ac_params wmm_ac_params[4];
 515
 516         int ht_op_mode_fixed;
 517         u16 ht_capab;
 518         int ieee80211n;
 519         int secondary_channel;
 520         int require_ht;
 521         u32 vht_capab;
 522         int ieee80211ac;
 523         int require_vht;
 524         u8 vht_oper_chwidth;
 525         u8 vht_oper_centr_freq_seg0_idx;
 526         u8 vht_oper_centr_freq_seg1_idx;
 527
 528 #ifdef CONFIG_TESTING_OPTIONS
 529         double ignore_probe_probability;
 530         double ignore_auth_probability;
 531         double ignore_assoc_probability;
 532         double ignore_reassoc_probability;
 533         double corrupt_gtk_rekey_mic_probability;
 534 #endif /* CONFIG_TESTING_OPTIONS */
 535 };
 536
 537
 538 int hostapd_mac_comp(const void *a, const void *b);
 539 int hostapd_mac_comp_empty(const void *a);
 540 struct hostapd_config * hostapd_config_defaults(void);
 541 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss);
 542 void hostapd_config_free(struct hostapd_config *conf);
 543 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
 544                           const u8 *addr, int *vlan_id);
 545 int hostapd_rate_found(int *list, int rate);
 546 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
 547                         struct hostapd_wep_keys *b);
 548 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
 549                            const u8 *addr, const u8 *prev_psk);
 550 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
 551 int hostapd_vlan_id_valid(struct hostapd_vlan *vlan, int vlan_id);
 552 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
 553                                         int vlan_id);
 554 struct hostapd_radius_attr *
 555 hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type);
 556
 557 #endif /* HOSTAPD_CONFIG_H */