90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
/*
|
|
* hostapd / IEEE 802.1X-2004 Authenticator
|
|
* Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of BSD
|
|
* license.
|
|
*
|
|
* See README and COPYING for more details.
|
|
*/
|
|
|
|
#ifndef IEEE802_1X_H
|
|
#define IEEE802_1X_H
|
|
|
|
struct hostapd_data;
|
|
struct sta_info;
|
|
struct eapol_state_machine;
|
|
struct hostapd_config;
|
|
struct hostapd_bss_config;
|
|
|
|
/* RFC 3580, 4. RC4 EAPOL-Key Frame */
|
|
|
|
struct ieee802_1x_eapol_key {
|
|
u8 type;
|
|
u16 key_length;
|
|
u8 replay_counter[8]; /* does not repeat within the life of the keying
|
|
* material used to encrypt the Key field;
|
|
* 64-bit NTP timestamp MAY be used here */
|
|
u8 key_iv[16]; /* cryptographically random number */
|
|
u8 key_index; /* key flag in the most significant bit:
|
|
* 0 = broadcast (default key),
|
|
* 1 = unicast (key mapping key); key index is in the
|
|
* 7 least significant bits */
|
|
u8 key_signature[16]; /* HMAC-MD5 message integrity check computed with
|
|
* MS-MPPE-Send-Key as the key */
|
|
|
|
/* followed by key: if packet body length = 44 + key length, then the
|
|
* key field (of key_length bytes) contains the key in encrypted form;
|
|
* if packet body length = 44, key field is absent and key_length
|
|
* represents the number of least significant octets from
|
|
* MS-MPPE-Send-Key attribute to be used as the keying material;
|
|
* RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key */
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
|
|
size_t len);
|
|
void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta);
|
|
void ieee802_1x_free_station(struct sta_info *sta);
|
|
|
|
void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta);
|
|
void ieee802_1x_abort_auth(struct hostapd_data *hapd, struct sta_info *sta);
|
|
void ieee802_1x_set_sta_authorized(struct hostapd_data *hapd,
|
|
struct sta_info *sta, int authorized);
|
|
void ieee802_1x_dump_state(FILE *f, const char *prefix, struct sta_info *sta);
|
|
int ieee802_1x_init(struct hostapd_data *hapd);
|
|
void ieee802_1x_deinit(struct hostapd_data *hapd);
|
|
int ieee802_1x_reconfig(struct hostapd_data *hapd,
|
|
struct hostapd_config *oldconf,
|
|
struct hostapd_bss_config *oldbss);
|
|
int ieee802_1x_tx_status(struct hostapd_data *hapd, struct sta_info *sta,
|
|
u8 *buf, size_t len, int ack);
|
|
u8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len);
|
|
u8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len,
|
|
int idx);
|
|
const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len);
|
|
void ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm,
|
|
int enabled);
|
|
void ieee802_1x_notify_port_valid(struct eapol_state_machine *sm,
|
|
int valid);
|
|
void ieee802_1x_notify_pre_auth(struct eapol_state_machine *sm, int pre_auth);
|
|
int ieee802_1x_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
|
|
int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
|
|
char *buf, size_t buflen);
|
|
void hostapd_get_ntp_timestamp(u8 *buf);
|
|
char *eap_type_text(u8 type);
|
|
|
|
struct radius_class_data;
|
|
|
|
void ieee802_1x_free_radius_class(struct radius_class_data *class);
|
|
int ieee802_1x_copy_radius_class(struct radius_class_data *dst,
|
|
const struct radius_class_data *src);
|
|
|
|
const char *radius_mode_txt(struct hostapd_data *hapd);
|
|
int radius_sta_rate(struct hostapd_data *hapd, struct sta_info *sta);
|
|
|
|
#endif /* IEEE802_1X_H */
|