contrib/hostapd/config.h

   1 /*
   2  * hostapd / Configuration file
   3  * Copyright (c) 2003-2006, 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 "config_types.h"
  19
  20 typedef u8 macaddr[ETH_ALEN];
  21
  22 struct hostapd_radius_servers;
  23
  24 #define HOSTAPD_MAX_SSID_LEN 32
  25
  26 #define NUM_WEP_KEYS 4
  27 struct hostapd_wep_keys {
  28         u8 idx;
  29         u8 *key[NUM_WEP_KEYS];
  30         size_t len[NUM_WEP_KEYS];
  31         int keys_set;
  32         size_t default_len; /* key length used for dynamic key generation */
  33 };
  34
  35 typedef enum hostap_security_policy {
  36         SECURITY_PLAINTEXT = 0,
  37         SECURITY_STATIC_WEP = 1,
  38         SECURITY_IEEE_802_1X = 2,
  39         SECURITY_WPA_PSK = 3,
  40         SECURITY_WPA = 4
  41 } secpolicy;
  42
  43 struct hostapd_ssid {
  44         char ssid[HOSTAPD_MAX_SSID_LEN + 1];
  45         size_t ssid_len;
  46         int ssid_set;
  47
  48         char vlan[IFNAMSIZ + 1];
  49         secpolicy security_policy;
  50
  51         struct hostapd_wpa_psk *wpa_psk;
  52         char *wpa_passphrase;
  53         char *wpa_psk_file;
  54
  55         struct hostapd_wep_keys wep;
  56
  57 #define DYNAMIC_VLAN_DISABLED 0
  58 #define DYNAMIC_VLAN_OPTIONAL 1
  59 #define DYNAMIC_VLAN_REQUIRED 2
  60         int dynamic_vlan;
  61 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  62         char *vlan_tagged_interface;
  63 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  64         struct hostapd_wep_keys **dyn_vlan_keys;
  65         size_t max_dyn_vlan_keys;
  66 };
  67
  68
  69 #define VLAN_ID_WILDCARD -1
  70
  71 struct hostapd_vlan {
  72         struct hostapd_vlan *next;
  73         int vlan_id; /* VLAN ID or -1 (VLAN_ID_WILDCARD) for wildcard entry */
  74         char ifname[IFNAMSIZ + 1];
  75         int dynamic_vlan;
  76 #ifdef CONFIG_FULL_DYNAMIC_VLAN
  77
  78 #define DVLAN_CLEAN_BR  0x1
  79 #define DVLAN_CLEAN_VLAN        0x2
  80 #define DVLAN_CLEAN_VLAN_PORT   0x4
  81 #define DVLAN_CLEAN_WLAN_PORT   0x8
  82         int clean;
  83 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
  84 };
  85
  86 #define PMK_LEN 32
  87 struct hostapd_wpa_psk {
  88         struct hostapd_wpa_psk *next;
  89         int group;
  90         u8 psk[PMK_LEN];
  91         u8 addr[ETH_ALEN];
  92 };
  93
  94 #define EAP_USER_MAX_METHODS 8
  95 struct hostapd_eap_user {
  96         struct hostapd_eap_user *next;
  97         u8 *identity;
  98         size_t identity_len;
  99         struct {
 100                 int vendor;
 101                 u32 method;
 102         } methods[EAP_USER_MAX_METHODS];
 103         u8 *password;
 104         size_t password_len;
 105         int phase2;
 106         int force_version;
 107         unsigned int wildcard_prefix:1;
 108         unsigned int password_hash:1; /* whether password is hashed with
 109                                        * nt_password_hash() */
 110 };
 111
 112
 113 #define NUM_TX_QUEUES 8
 114
 115 struct hostapd_tx_queue_params {
 116         int aifs;
 117         int cwmin;
 118         int cwmax;
 119         int burst; /* maximum burst time in 0.1 ms, i.e., 10 = 1 ms */
 120         int configured;
 121 };
 122
 123 struct hostapd_wme_ac_params {
 124         int cwmin;
 125         int cwmax;
 126         int aifs;
 127         int txopLimit; /* in units of 32us */
 128         int admission_control_mandatory;
 129 };
 130
 131
 132 /**
 133  * struct hostapd_bss_config - Per-BSS configuration
 134  */
 135 struct hostapd_bss_config {
 136         char iface[IFNAMSIZ + 1];
 137         char bridge[IFNAMSIZ + 1];
 138
 139         enum {
 140                 HOSTAPD_LEVEL_DEBUG_VERBOSE = 0,
 141                 HOSTAPD_LEVEL_DEBUG = 1,
 142                 HOSTAPD_LEVEL_INFO = 2,
 143                 HOSTAPD_LEVEL_NOTICE = 3,
 144                 HOSTAPD_LEVEL_WARNING = 4
 145         } logger_syslog_level, logger_stdout_level;
 146
 147 #define HOSTAPD_MODULE_IEEE80211 BIT(0)
 148 #define HOSTAPD_MODULE_IEEE8021X BIT(1)
 149 #define HOSTAPD_MODULE_RADIUS BIT(2)
 150 #define HOSTAPD_MODULE_WPA BIT(3)
 151 #define HOSTAPD_MODULE_DRIVER BIT(4)
 152 #define HOSTAPD_MODULE_IAPP BIT(5)
 153 #define HOSTAPD_MODULE_MLME BIT(6)
 154         unsigned int logger_syslog; /* module bitfield */
 155         unsigned int logger_stdout; /* module bitfield */
 156
 157         enum { HOSTAPD_DEBUG_NO = 0, HOSTAPD_DEBUG_MINIMAL = 1,
 158                HOSTAPD_DEBUG_VERBOSE = 2,
 159                HOSTAPD_DEBUG_MSGDUMPS = 3,
 160                HOSTAPD_DEBUG_EXCESSIVE = 4 } debug; /* debug verbosity level */
 161         char *dump_log_name; /* file name for state dump (SIGUSR1) */
 162
 163         int max_num_sta; /* maximum number of STAs in station table */
 164
 165         int dtim_period;
 166
 167         int ieee802_1x; /* use IEEE 802.1X */
 168         int eapol_version;
 169         int eap_server; /* Use internal EAP server instead of external
 170                          * RADIUS server */
 171         struct hostapd_eap_user *eap_user;
 172         char *eap_sim_db;
 173         struct hostapd_ip_addr own_ip_addr;
 174         char *nas_identifier;
 175         struct hostapd_radius_servers *radius;
 176
 177         struct hostapd_ssid ssid;
 178
 179         char *eap_req_id_text; /* optional displayable message sent with
 180                                 * EAP Request-Identity */
 181         size_t eap_req_id_text_len;
 182         int eapol_key_index_workaround;
 183
 184         size_t default_wep_key_len;
 185         int individual_wep_key_len;
 186         int wep_rekeying_period;
 187         int broadcast_key_idx_min, broadcast_key_idx_max;
 188         int eap_reauth_period;
 189
 190         int ieee802_11f; /* use IEEE 802.11f (IAPP) */
 191         char iapp_iface[IFNAMSIZ + 1]; /* interface used with IAPP broadcast
 192                                         * frames */
 193
 194         u8 assoc_ap_addr[ETH_ALEN];
 195         int assoc_ap; /* whether assoc_ap_addr is set */
 196
 197         enum {
 198                 ACCEPT_UNLESS_DENIED = 0,
 199                 DENY_UNLESS_ACCEPTED = 1,
 200                 USE_EXTERNAL_RADIUS_AUTH = 2
 201         } macaddr_acl;
 202         macaddr *accept_mac;
 203         int num_accept_mac;
 204         macaddr *deny_mac;
 205         int num_deny_mac;
 206
 207 #define HOSTAPD_AUTH_OPEN BIT(0)
 208 #define HOSTAPD_AUTH_SHARED_KEY BIT(1)
 209         int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
 210                         * algorithms */
 211
 212 #define HOSTAPD_WPA_VERSION_WPA BIT(0)
 213 #define HOSTAPD_WPA_VERSION_WPA2 BIT(1)
 214         int wpa;
 215 #define WPA_KEY_MGMT_IEEE8021X BIT(0)
 216 #define WPA_KEY_MGMT_PSK BIT(1)
 217         int wpa_key_mgmt;
 218 #define WPA_CIPHER_NONE BIT(0)
 219 #define WPA_CIPHER_WEP40 BIT(1)
 220 #define WPA_CIPHER_WEP104 BIT(2)
 221 #define WPA_CIPHER_TKIP BIT(3)
 222 #define WPA_CIPHER_CCMP BIT(4)
 223 #ifdef CONFIG_IEEE80211W
 224 #define WPA_CIPHER_AES_128_CMAC BIT(5)
 225         enum {
 226                 NO_IEEE80211W = 0,
 227                 IEEE80211W_OPTIONAL = 1,
 228                 IEEE80211W_REQUIRED = 2
 229         } ieee80211w;
 230 #endif /* CONFIG_IEEE80211W */
 231         int wpa_pairwise;
 232         int wpa_group;
 233         int wpa_group_rekey;
 234         int wpa_strict_rekey;
 235         int wpa_gmk_rekey;
 236         int rsn_preauth;
 237         char *rsn_preauth_interfaces;
 238         int peerkey;
 239
 240         char *ctrl_interface; /* directory for UNIX domain sockets */
 241         gid_t ctrl_interface_gid;
 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
 250         char *radius_server_clients;
 251         int radius_server_auth_port;
 252         int radius_server_ipv6;
 253
 254         char *test_socket; /* UNIX domain socket path for driver_test */
 255
 256         int use_pae_group_addr; /* Whether to send EAPOL frames to PAE group
 257                                  * address instead of individual address
 258                                  * (for driver_wired.c).
 259                                  */
 260
 261         int ap_max_inactivity;
 262         int ignore_broadcast_ssid;
 263
 264         int wme_enabled;
 265
 266         struct hostapd_vlan *vlan, *vlan_tail;
 267
 268         macaddr bssid;
 269 };
 270
 271
 272 typedef enum {
 273         HOSTAPD_MODE_IEEE80211B,
 274         HOSTAPD_MODE_IEEE80211G,
 275         HOSTAPD_MODE_IEEE80211A,
 276         NUM_HOSTAPD_MODES
 277 } hostapd_hw_mode;
 278
 279
 280 /**
 281  * struct hostapd_config - Per-radio interface configuration
 282  */
 283 struct hostapd_config {
 284         struct hostapd_bss_config *bss, *last_bss;
 285         struct hostapd_radius_servers *radius;
 286         size_t num_bss;
 287
 288         u16 beacon_int;
 289         int rts_threshold;
 290         int fragm_threshold;
 291         u8 send_probe_response;
 292         u8 channel;
 293         hostapd_hw_mode hw_mode; /* HOSTAPD_MODE_IEEE80211A, .. */
 294         enum {
 295                 LONG_PREAMBLE = 0,
 296                 SHORT_PREAMBLE = 1
 297         } preamble;
 298         enum {
 299                 CTS_PROTECTION_AUTOMATIC = 0,
 300                 CTS_PROTECTION_FORCE_ENABLED = 1,
 301                 CTS_PROTECTION_FORCE_DISABLED = 2,
 302                 CTS_PROTECTION_AUTOMATIC_NO_OLBC = 3,
 303         } cts_protection_type;
 304
 305         int *supported_rates;
 306         int *basic_rates;
 307
 308         const struct driver_ops *driver;
 309
 310         int passive_scan_interval; /* seconds, 0 = disabled */
 311         int passive_scan_listen; /* usec */
 312         int passive_scan_mode;
 313         int ap_table_max_size;
 314         int ap_table_expiration_time;
 315
 316         char country[3]; /* first two octets: country code as described in
 317                           * ISO/IEC 3166-1. Third octet:
 318                           * ' ' (ascii 32): all environments
 319                           * 'O': Outdoor environemnt only
 320                           * 'I': Indoor environment only
 321                           */
 322
 323         int ieee80211d;
 324         unsigned int ieee80211h; /* Enable/Disable 80211h */
 325
 326         struct hostapd_tx_queue_params tx_queue[NUM_TX_QUEUES];
 327
 328         /*
 329          * WME AC parameters, in same order as 802.1D, i.e.
 330          * 0 = BE (best effort)
 331          * 1 = BK (background)
 332          * 2 = VI (video)
 333          * 3 = VO (voice)
 334          */
 335         struct hostapd_wme_ac_params wme_ac_params[4];
 336
 337         enum {
 338                 INTERNAL_BRIDGE_DO_NOT_CONTROL = -1,
 339                 INTERNAL_BRIDGE_DISABLED = 0,
 340                 INTERNAL_BRIDGE_ENABLED = 1
 341         } bridge_packets;
 342 };
 343
 344
 345 int hostapd_mac_comp(const void *a, const void *b);
 346 int hostapd_mac_comp_empty(const void *a);
 347 struct hostapd_config * hostapd_config_read(const char *fname);
 348 void hostapd_config_free(struct hostapd_config *conf);
 349 int hostapd_maclist_found(macaddr *list, int num_entries, const u8 *addr);
 350 int hostapd_rate_found(int *list, int rate);
 351 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a,
 352                         struct hostapd_wep_keys *b);
 353 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
 354                            const u8 *addr, const u8 *prev_psk);
 355 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf);
 356 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan,
 357                                         int vlan_id);
 358 const struct hostapd_eap_user *
 359 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
 360                      size_t identity_len, int phase2);
 361
 362 #endif /* CONFIG_H */