src/ap/ap_config.h

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