dist/wpa/hostapd/config.h

   1 /*
   2  * hostapd / Configuration file
   3  * Copyright (c) 2003-2007, 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 CONFIG_H
  16 #define CONFIG_H
  17
  18 #include "defs.h"
  19 #include "ip_addr.h"
  20 #include "wpa_common.h"
  21
  22 #ifndef IFNAMSIZ
  23 #define IFNAMSIZ 16
  24 #endif
  25
  26 typedef u8 macaddr[ETH_ALEN];
  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         char ssid[HOSTAPD_MAX_SSID_LEN + 1];
  53         size_t ssid_len;
  54         int ssid_set;
  55
  56         char vlan[IFNAMSIZ + 1];
  57         secpolicy security_policy;
  58
  59         struct hostapd_wpa_psk *wpa_psk;
  60         char *wpa_passphrase;
  61         char *wpa_psk_file;
  62
  63         struct hostapd_wep_keys wep;
  64
  65 #define DYNAMIC_VLAN_DISABLED 0
  66 #define DYNAMIC_VLAN_OPTIONAL 1
  67 #define DYNAMIC_VLAN_REQUIRED 2
  68         int dynamic_vlan;
  69 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  70         char *vlan_tagged_interface;
  71 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  72         struct hostapd_wep_keys **dyn_vlan_keys;
  73         size_t max_dyn_vlan_keys;
  74 };
  75
  76
  77 #define VLAN_ID_WILDCARD -1
  78
  79 struct hostapd_vlan {
  80         struct hostapd_vlan *next;
  81         int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
  82         char ifname[IFNAMSIZ + 1];
  83         int dynamic_vlan;
  84 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  85
  86 #define DVLAN_CLEAN_BR  0x1
  87 #define DVLAN_CLEAN_VLAN        0x2
  88 #define DVLAN_CLEAN_VLAN_PORT   0x4
  89 #define DVLAN_CLEAN_WLAN_PORT   0x8
  90         int clean;
  91 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  92 };
  93
  94 #define PMK_LEN 32
  95 struct hostapd_wpa_psk {
  96         struct hostapd_wpa_psk *next;
  97         int group;
  98         u8 psk[PMK_LEN];
  99         u8 addr[ETH_ALEN];
 100 };
 101
 102 #define EAP_USER_MAX_METHODS 8
 103 struct hostapd_eap_user {
 104         struct hostapd_eap_user *next;
 105         u8 *identity;
 106         size_t identity_len;
 107         struct {
 108                 int vendor;
 109                 u32 method;
 110         } methods[EAP_USER_MAX_METHODS];
 111         u8 *password;
 112         size_t password_len;
 113         int phase2;
 114         int force_version;
 115         unsigned int wildcard_prefix:1;
 116         unsigned int password_hash:1; /* whether password is hashed with
 117                                        * nt_password_hash() */
 118         int ttls_auth; /* EAP_TTLS_AUTH_* bitfield */
 119 };
 120
 121
 122 #define NUM_TX_QUEUES 8
 123
 124 struct hostapd_tx_queue_params {
 125         int aifs;
 126         int cwmin;
 127         int cwmax;
 128         int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
 129         int configured;
 130 };
 131
 132 struct hostapd_wme_ac_params {
 133         int cwmin;
 134         int cwmax;
 135         int aifs;
 136         int txopLimit; /* in units of 32us */
 137         int admission_control_mandatory;
 138 };
 139
 140
 141 /**
 142  * struct hostapd_bss_config - Per-BSS configuration
 143  */
 144 struct hostapd_bss_config {
 145         char iface[IFNAMSIZ + 1];
 146         char bridge[IFNAMSIZ + 1];
 147
 148         enum hostapd_logger_level logger_syslog_level, logger_stdout_level;
 149
 150         unsigned int logger_syslog; /* module bitfield */
 151         unsigned int logger_stdout; /* module bitfield */
 152
 153         char *dump_log_name; /* file name for state dump (SIGUSR1) */
 154
 155         int max_num_sta; /* maximum number of STAs in station table */
 156
 157         int dtim_period;
 158
 159         int ieee802_1x; /* use IEEE 802.1X */
 160         int eapol_version;
 161         int eap_server; /* Use internal EAP server instead of external
 162                          * RADIUS server */
 163         struct hostapd_eap_user *eap_user;
 164         char *eap_sim_db;
 165         struct hostapd_ip_addr own_ip_addr;
 166         char *nas_identifier;
 167         struct hostapd_radius_servers *radius;
 168
 169         struct hostapd_ssid ssid;
 170
 171         char *eap_req_id_text; /* optional displayable message sent with
 172                                 * EAP Request-Identity */
 173         size_t eap_req_id_text_len;
 174         int eapol_key_index_workaround;
 175
 176         size_t default_wep_key_len;
 177         int individual_wep_key_len;
 178         int wep_rekeying_period;
 179         int broadcast_key_idx_min, broadcast_key_idx_max;
 180         int eap_reauth_period;
 181
 182         int ieee802_11f; /* use IEEE 802.11f (IAPP) */
 183         char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
 184                                         * frames */
 185
 186         u8 assoc_ap_addr[ETH_ALEN];
 187         int assoc_ap; /* whether assoc_ap_addr is set */
 188
 189         enum {
 190                 ACCEPT_UNLESS_DENIED = 0,
 191                 DENY_UNLESS_ACCEPTED = 1,
 192                 USE_EXTERNAL_RADIUS_AUTH = 2
 193         } macaddr_acl;
 194         macaddr *accept_mac;
 195         int num_accept_mac;
 196         macaddr *deny_mac;
 197         int num_deny_mac;
 198
 199         int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
 200                         * algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
 201
 202         int wpa; /* bitfield of WPA_PROTO_WPA, WPA_PROTO_RSN */
 203         int wpa_key_mgmt;
 204 #ifdef CONFIG_IEEE80211W
 205         enum {
 206                 NO_IEEE80211W = 0,
 207                 IEEE80211W_OPTIONAL = 1,
 208                 IEEE80211W_REQUIRED = 2
 209         } ieee80211w;
 210 #endif /* CONFIG_IEEE80211W */
 211         int wpa_pairwise;
 212         int wpa_group;
 213         int wpa_group_rekey;
 214         int wpa_strict_rekey;
 215         int wpa_gmk_rekey;
 216         int rsn_pairwise;
 217         int rsn_preauth;
 218         char *rsn_preauth_interfaces;
 219         int peerkey;
 220
 221 #ifdef CONFIG_IEEE80211R
 222         /* IEEE 802.11r - Fast BSS Transition */
 223         u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
 224         u8 r1_key_holder[FT_R1KH_ID_LEN];
 225         u32 r0_key_lifetime;
 226         u32 reassociation_deadline;
 227         struct ft_remote_r0kh *r0kh_list;
 228         struct ft_remote_r1kh *r1kh_list;
 229         int pmk_r1_push;
 230 #endif /* CONFIG_IEEE80211R */
 231
 232         char *ctrl_interface; /* directory for UNIX domain sockets */
 233         gid_t ctrl_interface_gid;
 234         int ctrl_interface_gid_set;
 235
 236         char *ca_cert;
 237         char *server_cert;
 238         char *private_key;
 239         char *private_key_passwd;
 240         int check_crl;
 241         char *dh_file;
 242         u8 *pac_opaque_encr_key;
 243         char *eap_fast_a_id;
 244         int eap_sim_aka_result_ind;
 245         int tnc;
 246
 247         char *radius_server_clients;
 248         int radius_server_auth_port;
 249         int radius_server_ipv6;
 250
 251         char *test_socket; /* UNIX domain socket path for driver_test */
 252
 253         int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
 254                                  * address instead of individual address
 255                                  * (for driver_wired.c).
 256                                  */
 257
 258         int ap_max_inactivity;
 259         int ignore_broadcast_ssid;
 260
 261         int wme_enabled;
 262
 263         struct hostapd_vlan *vlan, *vlan_tail;
 264
 265         macaddr bssid;
 266
 267         /*
 268          * Maximum listen interval that STAs can use when associating with this
 269          * BSS. If a STA tries to use larger value, the association will be
 270          * denied with status code 51.
 271          */
 272         u16 max_listen_interval;
 273
 274         int okc; /* Opportunistic Key Caching */
 275 };
 276
 277
 278 typedef enum {
 279         HOSTAPD_MODE_IEEE80211B,
 280         HOSTAPD_MODE_IEEE80211G,
 281         HOSTAPD_MODE_IEEE80211A,
 282         NUM_HOSTAPD_MODES
 283 } hostapd_hw_mode;
 284
 285
 286 /**
 287  * struct hostapd_config - Per-radio interface configuration
 288  */
 289 struct hostapd_config {
 290         struct hostapd_bss_config *bss, *last_bss;
 291         struct hostapd_radius_servers *radius;
 292         size_t num_bss;
 293
 294         u16 beacon_int;
 295         int rts_threshold;
 296         int fragm_threshold;
 297         u8 send_probe_response;
 298         u8 channel;
 299         hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 300         enum {
 301                 LONG_PREAMBLE = 0,
 302                 SHORT_PREAMBLE = 1
 303         } preamble;
 304         enum {
 305                 CTS_PROTECTION_AUTOMATIC = 0,
 306                 CTS_PROTECTION_FORCE_ENABLED = 1,
 307                 CTS_PROTECTION_FORCE_DISABLED = 2,
 308                 CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
 309         } cts_protection_type;
 310
 311         int *supported_rates;
 312         int *basic_rates;
 313
 314         const struct wpa_driver_ops *driver;
 315
 316         int passive_scan_interval; /* seconds, 0 = disabled */
 317         int passive_scan_listen; /* usec */
 318         int passive_scan_mode;
 319         int ap_table_max_size;
 320         int ap_table_expiration_time;
 321
 322         char country[3]; /* first two octets: country code as described in
 323                           * ISO/IEC 3166-1. Third octet:
 324                           * ' ' (ascii 32): all environments
 325                           * 'O': Outdoor environemnt only
 326                           * 'I': Indoor environment only
 327                           */
 328
 329         int ieee80211d;
 330         unsigned int ieee80211h; /* Enable/Disable 80211h */
 331
 332         struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
 333
 334         /*
 335          * WME AC parameters, in same order as 802.1D, i.e.
 336          * 0 = BE (best effort)
 337          * 1 = BK (background)
 338          * 2 = VI (video)
 339          * 3 = VO (voice)
 340          */
 341         struct hostapd_wme_ac_params wme_ac_params[4];
 342
 343         enum {
 344                 INTERNAL_BRIDGE_DO_NOT_CONTROL = -1,
 345                 INTERNAL_BRIDGE_DISABLED = 0,
 346                 INTERNAL_BRIDGE_ENABLED = 1
 347         } bridge_packets;
 348 };
 349
 350
 351 int hostapd_mac_comp(const void *a, const void *b);
 352 int hostapd_mac_comp_empty(const void *a);
 353 struct hostapd_config * hostapd_config_read(const char *fname);
 354 void hostapd_config_free(struct hostapd_config *conf);
 355 int hostapd_maclist_found(macaddr *list, int num_entries, const u8 *addr);
 356 int hostapd_rate_found(int *list, int rate);
 357 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
 358                         struct hostapd_wep_keys *b);
 359 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
 360                            const u8 *addr, const u8 *prev_psk);
 361 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
 362 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
 363                                         int vlan_id);
 364 const struct hostapd_eap_user *
 365 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
 366                      size_t identity_len, int phase2);
 367
 368 #endif /* CONFIG_H */