hostapd/config.h

   1 /*
   2  * hostapd / Configuration file
   3  * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
   4  * Copyright (c) 2007-2008, Intel Corporation
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Alternatively, this software may be distributed under the terms of BSD
  11  * license.
  12  *
  13  * See README and COPYING for more details.
  14  */
  15
  16 #ifndef CONFIG_H
  17 #define CONFIG_H
  18
  19 #include "defs.h"
  20 #include "ip_addr.h"
  21 #include "wpa_common.h"
  22
  23 #ifndef IFNAMSIZ
  24 #define IFNAMSIZ 16
  25 #endif
  26
  27 typedef u8 macaddr[ETH_ALEN];
  28
  29 struct mac_acl_entry {
  30         macaddr addr;
  31         int vlan_id;
  32 };
  33
  34 struct hostapd_radius_servers;
  35 struct ft_remote_r0kh;
  36 struct ft_remote_r1kh;
  37
  38 #define HOSTAPD_MAX_SSID_LEN 32
  39
  40 #define NUM_WEP_KEYS 4
  41 struct hostapd_wep_keys {
  42         u8 idx;
  43         u8 *key[NUM_WEP_KEYS];
  44         size_t len[NUM_WEP_KEYS];
  45         int keys_set;
  46         size_t default_len; /* key length used for dynamic key generation */
  47 };
  48
  49 typedef enum hostap_security_policy {
  50         SECURITY_PLAINTEXT = 0,
  51         SECURITY_STATIC_WEP = 1,
  52         SECURITY_IEEE_802_1X = 2,
  53         SECURITY_WPA_PSK = 3,
  54         SECURITY_WPA = 4
  55 } secpolicy;
  56
  57 struct hostapd_ssid {
  58         char ssid[HOSTAPD_MAX_SSID_LEN + 1];
  59         size_t ssid_len;
  60         int ssid_set;
  61
  62         char vlan[IFNAMSIZ + 1];
  63         secpolicy security_policy;
  64
  65         struct hostapd_wpa_psk *wpa_psk;
  66         char *wpa_passphrase;
  67         char *wpa_psk_file;
  68
  69         struct hostapd_wep_keys wep;
  70
  71 #define DYNAMIC_VLAN_DISABLED 0
  72 #define DYNAMIC_VLAN_OPTIONAL 1
  73 #define DYNAMIC_VLAN_REQUIRED 2
  74         int dynamic_vlan;
  75 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  76         char *vlan_tagged_interface;
  77 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  78         struct hostapd_wep_keys **dyn_vlan_keys;
  79         size_t max_dyn_vlan_keys;
  80 };
  81
  82
  83 #define VLAN_ID_WILDCARD -1
  84
  85 struct hostapd_vlan {
  86         struct hostapd_vlan *next;
  87         int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
  88         char ifname[IFNAMSIZ + 1];
  89         int dynamic_vlan;
  90 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  91
  92 #define DVLAN_CLEAN_BR  0x1
  93 #define DVLAN_CLEAN_VLAN        0x2
  94 #define DVLAN_CLEAN_VLAN_PORT   0x4
  95 #define DVLAN_CLEAN_WLAN_PORT   0x8
  96         int clean;
  97 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  98 };
  99
 100 #define PMK_LEN 32
 101 struct hostapd_wpa_psk {
 102         struct hostapd_wpa_psk *next;
 103         int group;
 104         u8 psk[PMK_LEN];
 105         u8 addr[ETH_ALEN];
 106 };
 107
 108 #define EAP_USER_MAX_METHODS 8
 109 struct hostapd_eap_user {
 110         struct hostapd_eap_user *next;
 111         u8 *identity;
 112         size_t identity_len;
 113         struct {
 114                 int vendor;
 115                 u32 method;
 116         } methods[EAP_USER_MAX_METHODS];
 117         u8 *password;
 118         size_t password_len;
 119         int phase2;
 120         int force_version;
 121         unsigned int wildcard_prefix:1;
 122         unsigned int password_hash:1; /* whether password is hashed with
 123                                        * nt_password_hash() */
 124         int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
 125 };
 126
 127
 128 #define NUM_TX_QUEUES 8
 129
 130 struct hostapd_tx_queue_params {
 131         int aifs;
 132         int cwmin;
 133         int cwmax;
 134         int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
 135         int configured;
 136 };
 137
 138 struct hostapd_wme_ac_params {
 139         int cwmin;
 140         int cwmax;
 141         int aifs;
 142         int txopLimit; /* in units of 32us */
 143         int admission_control_mandatory;
 144 };
 145
 146
 147 /**
 148  * struct hostapd_bss_config - Per-BSS configuration
 149  */
 150 struct hostapd_bss_config {
 151         char iface[IFNAMSIZ + 1];
 152         char bridge[IFNAMSIZ + 1];
 153
 154         enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
 155
 156         unsigned int logger_syslog; /* module bitfield */
 157         unsigned int logger_stdout; /* module bitfield */
 158
 159         char *dump_log_name; /* file name for state dump (SIGUSR1) */
 160
 161         int max_num_sta; /* maximum number of STAs in station table */
 162
 163         int dtim_period;
 164
 165         int ieee802_1x; /* use IEEE 802.1X */
 166         int eapol_version;
 167         int eap_server; /* Use internal EAP server instead of external
 168                          * RADIUS server */
 169         struct hostapd_eap_user *eap_user;
 170         char *eap_sim_db;
 171         struct hostapd_ip_addr own_ip_addr;
 172         char *nas_identifier;
 173         struct hostapd_radius_servers *radius;
 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         u8 assoc_ap_addr[ETH_ALEN];
 193         int assoc_ap; /* whether assoc_ap_addr is set */
 194
 195         enum {
 196                 ACCEPT_UNLESS_DENIED = 0,
 197                 DENY_UNLESS_ACCEPTED = 1,
 198                 USE_EXTERNAL_RADIUS_AUTH = 2
 199         } macaddr_acl;
 200         struct mac_acl_entry *accept_mac;
 201         int num_accept_mac;
 202         struct mac_acl_entry *deny_mac;
 203         int num_deny_mac;
 204
 205         int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
 206                         * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
 207
 208         int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
 209         int wpa_key_mgmt;
 210 #ifdef CONFIG_IEEE80211W
 211         enum {
 212                 NO_IEEE80211W = 0,
 213                 IEEE80211W_OPTIONAL = 1,
 214                 IEEE80211W_REQUIRED = 2
 215         } ieee80211w;
 216 #endif /* CONFIG_IEEE80211W */
 217         int wpa_pairwise;
 218         int wpa_group;
 219         int wpa_group_rekey;
 220         int wpa_strict_rekey;
 221         int wpa_gmk_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         gid_t ctrl_interface_gid;
 240         int ctrl_interface_gid_set;
 241
 242         char *ca_cert;
 243         char *server_cert;
 244         char *private_key;
 245         char *private_key_passwd;
 246         int check_crl;
 247         char *dh_file;
 248         u8 *pac_opaque_encr_key;
 249         char *eap_fast_a_id;
 250         int eap_sim_aka_result_ind;
 251         int tnc;
 252
 253         char *radius_server_clients;
 254         int radius_server_auth_port;
 255         int radius_server_ipv6;
 256
 257         char *test_socket; /* UNIX domain socket path for driver_test */
 258
 259         int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
 260                                  * address instead of individual address
 261                                  * (for driver_wired.c).
 262                                  */
 263
 264         int ap_max_inactivity;
 265         int ignore_broadcast_ssid;
 266
 267         int wme_enabled;
 268
 269         struct hostapd_vlan *vlan, *vlan_tail;
 270
 271         macaddr bssid;
 272
 273         /*
 274          * Maximum listen interval that STAs can use when associating with this
 275          * BSS. If a STA tries to use larger value, the association will be
 276          * denied with status code 51.
 277          */
 278         u16 max_listen_interval;
 279
 280         int okc; /* Opportunistic Key Caching */
 281 };
 282
 283
 284 typedef enum {
 285         HOSTAPD_MODE_IEEE80211B,
 286         HOSTAPD_MODE_IEEE80211G,
 287         HOSTAPD_MODE_IEEE80211A,
 288         NUM_HOSTAPD_MODES
 289 } hostapd_hw_mode;
 290
 291
 292 /**
 293  * struct hostapd_config - Per-radio interface configuration
 294  */
 295 struct hostapd_config {
 296         struct hostapd_bss_config *bss, *last_bss;
 297         struct hostapd_radius_servers *radius;
 298         size_t num_bss;
 299
 300         u16 beacon_int;
 301         int rts_threshold;
 302         int fragm_threshold;
 303         u8 send_probe_response;
 304         u8 channel;
 305         hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 306         enum {
 307                 LONG_PREAMBLE = 0,
 308                 SHORT_PREAMBLE = 1
 309         } preamble;
 310         enum {
 311                 CTS_PROTECTION_AUTOMATIC = 0,
 312                 CTS_PROTECTION_FORCE_ENABLED = 1,
 313                 CTS_PROTECTION_FORCE_DISABLED = 2,
 314                 CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
 315         } cts_protection_type;
 316
 317         int *supported_rates;
 318         int *basic_rates;
 319
 320         const struct wpa_driver_ops *driver;
 321
 322         int passive_scan_interval; /* seconds, 0 = disabled */
 323         int passive_scan_listen; /* usec */
 324         int passive_scan_mode;
 325         int ap_table_max_size;
 326         int ap_table_expiration_time;
 327
 328         char country[3]; /* first two octets: country code as described in
 329                           * ISO/IEC 3166-1. Third octet:
 330                           * ' ' (ascii 32): all environments
 331                           * 'O': Outdoor environemnt only
 332                           * 'I': Indoor environment only
 333                           */
 334
 335         int ieee80211d;
 336         unsigned int ieee80211h; /* Enable/Disable 80211h */
 337
 338         struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
 339
 340         /*
 341          * WME AC parameters, in same order as 802.1D, i.e.
 342          * 0 = BE (best effort)
 343          * 1 = BK (background)
 344          * 2 = VI (video)
 345          * 3 = VO (voice)
 346          */
 347         struct hostapd_wme_ac_params wme_ac_params[4];
 348
 349         enum {
 350                 INTERNAL_BRIDGE_DO_NOT_CONTROL = -1,
 351                 INTERNAL_BRIDGE_DISABLED = 0,
 352                 INTERNAL_BRIDGE_ENABLED = 1
 353         } bridge_packets;
 354
 355 #ifdef CONFIG_IEEE80211N
 356         int ieee80211n;
 357         int ht_op_mode_fixed;
 358         u16 ht_capab;
 359 #endif /* CONFIG_IEEE80211N */
 360 };
 361
 362
 363 int hostapd_mac_comp(const void *a, const void *b);
 364 int hostapd_mac_comp_empty(const void *a);
 365 struct hostapd_config * hostapd_config_read(const char *fname);
 366 void hostapd_config_free(struct hostapd_config *conf);
 367 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
 368                           const u8 *addr, int *vlan_id);
 369 int hostapd_rate_found(int *list, int rate);
 370 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
 371                         struct hostapd_wep_keys *b);
 372 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
 373                            const u8 *addr, const u8 *prev_psk);
 374 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
 375 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
 376                                         int vlan_id);
 377 const struct hostapd_eap_user *
 378 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
 379                      size_t identity_len, int phase2);
 380
 381 #endif /* CONFIG_H */