| Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * hostapd / IEEE 802.1X-2004 Authenticator |
| 3 | * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi> |
| 4 | * |
| Dmitry Shmidt | c5ec7f5 | 2012-03-06 16:33:24 -0800 | [diff] [blame] | 5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. |
| Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #ifndef IEEE802_1X_H |
| 10 | #define IEEE802_1X_H |
| 11 | |
| 12 | struct hostapd_data; |
| 13 | struct sta_info; |
| 14 | struct eapol_state_machine; |
| 15 | struct hostapd_config; |
| 16 | struct hostapd_bss_config; |
| 17 | |
| 18 | #ifdef _MSC_VER |
| 19 | #pragma pack(push, 1) |
| 20 | #endif /* _MSC_VER */ |
| 21 | |
| 22 | /* RFC 3580, 4. RC4 EAPOL-Key Frame */ |
| 23 | |
| 24 | struct ieee802_1x_eapol_key { |
| 25 | u8 type; |
| 26 | u16 key_length; |
| 27 | u8 replay_counter[8]; /* does not repeat within the life of the keying |
| 28 | * material used to encrypt the Key field; |
| 29 | * 64-bit NTP timestamp MAY be used here */ |
| 30 | u8 key_iv[16]; /* cryptographically random number */ |
| 31 | u8 key_index; /* key flag in the most significant bit: |
| 32 | * 0 = broadcast (default key), |
| 33 | * 1 = unicast (key mapping key); key index is in the |
| 34 | * 7 least significant bits */ |
| 35 | u8 key_signature[16]; /* HMAC-MD5 message integrity check computed with |
| 36 | * MS-MPPE-Send-Key as the key */ |
| 37 | |
| 38 | /* followed by key: if packet body length = 44 + key length, then the |
| 39 | * key field (of key_length bytes) contains the key in encrypted form; |
| 40 | * if packet body length = 44, key field is absent and key_length |
| 41 | * represents the number of least significant octets from |
| 42 | * MS-MPPE-Send-Key attribute to be used as the keying material; |
| 43 | * RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key */ |
| 44 | } STRUCT_PACKED; |
| 45 | |
| 46 | #ifdef _MSC_VER |
| 47 | #pragma pack(pop) |
| 48 | #endif /* _MSC_VER */ |
| 49 | |
| 50 | |
| 51 | void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf, |
| 52 | size_t len); |
| 53 | void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta); |
| 54 | void ieee802_1x_free_station(struct sta_info *sta); |
| 55 | |
| 56 | void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta); |
| 57 | void ieee802_1x_abort_auth(struct hostapd_data *hapd, struct sta_info *sta); |
| 58 | void ieee802_1x_set_sta_authorized(struct hostapd_data *hapd, |
| 59 | struct sta_info *sta, int authorized); |
| 60 | void ieee802_1x_dump_state(FILE *f, const char *prefix, struct sta_info *sta); |
| 61 | int ieee802_1x_init(struct hostapd_data *hapd); |
| 62 | void ieee802_1x_deinit(struct hostapd_data *hapd); |
| 63 | int ieee802_1x_tx_status(struct hostapd_data *hapd, struct sta_info *sta, |
| 64 | const u8 *buf, size_t len, int ack); |
| Dmitry Shmidt | 1f69aa5 | 2012-01-24 16:10:04 -0800 | [diff] [blame] | 65 | int ieee802_1x_eapol_tx_status(struct hostapd_data *hapd, struct sta_info *sta, |
| 66 | const u8 *data, int len, int ack); |
| Dmitry Shmidt | 8d520ff | 2011-05-09 14:06:53 -0700 | [diff] [blame] | 67 | u8 * ieee802_1x_get_identity(struct eapol_state_machine *sm, size_t *len); |
| 68 | u8 * ieee802_1x_get_radius_class(struct eapol_state_machine *sm, size_t *len, |
| 69 | int idx); |
| 70 | const u8 * ieee802_1x_get_key(struct eapol_state_machine *sm, size_t *len); |
| 71 | void ieee802_1x_notify_port_enabled(struct eapol_state_machine *sm, |
| 72 | int enabled); |
| 73 | void ieee802_1x_notify_port_valid(struct eapol_state_machine *sm, |
| 74 | int valid); |
| 75 | void ieee802_1x_notify_pre_auth(struct eapol_state_machine *sm, int pre_auth); |
| 76 | int ieee802_1x_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen); |
| 77 | int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta, |
| 78 | char *buf, size_t buflen); |
| 79 | void hostapd_get_ntp_timestamp(u8 *buf); |
| 80 | char *eap_type_text(u8 type); |
| 81 | |
| 82 | const char *radius_mode_txt(struct hostapd_data *hapd); |
| 83 | int radius_sta_rate(struct hostapd_data *hapd, struct sta_info *sta); |
| 84 | |
| 85 | #endif /* IEEE802_1X_H */ |