diff options
Diffstat (limited to 'contrib/wpa_supplicant/wpa.h')
| -rw-r--r-- | contrib/wpa_supplicant/wpa.h | 302 |
1 files changed, 238 insertions, 64 deletions
diff --git a/contrib/wpa_supplicant/wpa.h b/contrib/wpa_supplicant/wpa.h index a4f3f55..6b59d43 100644 --- a/contrib/wpa_supplicant/wpa.h +++ b/contrib/wpa_supplicant/wpa.h @@ -1,6 +1,22 @@ +/* + * wpa_supplicant - WPA definitions + * Copyright (c) 2003-2005, Jouni Malinen <jkmaline@cc.hut.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 WPA_H #define WPA_H +#include "defs.h" + #define BIT(n) (1 << (n)) struct ieee802_1x_hdr { @@ -23,70 +39,6 @@ enum { EAPOL_KEY_TYPE_RC4 = 1, EAPOL_KEY_TYPE_RSN = 2, EAPOL_KEY_TYPE_WPA = 254 }; -#define IEEE8021X_REPLAY_COUNTER_LEN 8 -#define IEEE8021X_KEY_SIGN_LEN 16 -#define IEEE8021X_KEY_IV_LEN 16 - -#define IEEE8021X_KEY_INDEX_FLAG 0x80 -#define IEEE8021X_KEY_INDEX_MASK 0x03 - -struct ieee802_1x_eapol_key { - u8 type; - u16 key_length; - /* 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 replay_counter[IEEE8021X_REPLAY_COUNTER_LEN]; - u8 key_iv[IEEE8021X_KEY_IV_LEN]; /* 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 */ - /* HMAC-MD5 message integrity check computed with MS-MPPE-Send-Key as - * the key */ - u8 key_signature[IEEE8021X_KEY_SIGN_LEN]; - - /* 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)); - - -#define WPA_NONCE_LEN 32 -#define WPA_REPLAY_COUNTER_LEN 8 - -struct wpa_eapol_key { - u8 type; - u16 key_info; - u16 key_length; - u8 replay_counter[WPA_REPLAY_COUNTER_LEN]; - u8 key_nonce[WPA_NONCE_LEN]; - u8 key_iv[16]; - u8 key_rsc[8]; - u8 key_id[8]; /* Reserved in IEEE 802.11i/RSN */ - u8 key_mic[16]; - u16 key_data_length; - /* followed by key_data_length bytes of key_data */ -} __attribute__ ((packed)); - -#define WPA_KEY_INFO_TYPE_MASK (BIT(0) | BIT(1) | BIT(2)) -#define WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 BIT(0) -#define WPA_KEY_INFO_TYPE_HMAC_SHA1_AES BIT(1) -#define WPA_KEY_INFO_KEY_TYPE BIT(3) /* 1 = Pairwise, 0 = Group key */ -/* bit4..5 is used in WPA, but is reserved in IEEE 802.11i/RSN */ -#define WPA_KEY_INFO_KEY_INDEX_MASK (BIT(4) | BIT(5)) -#define WPA_KEY_INFO_KEY_INDEX_SHIFT 4 -#define WPA_KEY_INFO_INSTALL BIT(6) /* pairwise */ -#define WPA_KEY_INFO_TXRX BIT(6) /* group */ -#define WPA_KEY_INFO_ACK BIT(7) -#define WPA_KEY_INFO_MIC BIT(8) -#define WPA_KEY_INFO_SECURE BIT(9) -#define WPA_KEY_INFO_ERROR BIT(10) -#define WPA_KEY_INFO_REQUEST BIT(11) -#define WPA_KEY_INFO_ENCR_KEY_DATA BIT(12) /* IEEE 802.11i/RSN only */ - #define WPA_CAPABILITY_PREAUTH BIT(0) #define GENERIC_INFO_ELEM 0xdd @@ -109,4 +61,226 @@ enum { REASON_CIPHER_SUITE_REJECTED = 24 }; +#define PMKID_LEN 16 + + +struct wpa_sm; +struct wpa_ssid; +struct eapol_sm; +struct wpa_config_blob; + +struct wpa_sm_ctx { + void *ctx; /* pointer to arbitrary upper level context */ + + void (*set_state)(void *ctx, wpa_states state); + wpa_states (*get_state)(void *ctx); + void (*req_scan)(void *ctx, int sec, int usec); + void (*deauthenticate)(void * ctx, int reason_code); + void (*disassociate)(void *ctx, int reason_code); + int (*set_key)(void *ctx, wpa_alg alg, + const u8 *addr, int key_idx, int set_tx, + const u8 *seq, size_t seq_len, + const u8 *key, size_t key_len); + void (*scan)(void *eloop_ctx, void *timeout_ctx); + struct wpa_ssid * (*get_ssid)(void *ctx); + int (*get_bssid)(void *ctx, u8 *bssid); + int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, + size_t len); + int (*get_beacon_ie)(void *ctx); + void (*cancel_auth_timeout)(void *ctx); + u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, + size_t *msg_len, void **data_pos); + int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); + int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); + void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); + const struct wpa_config_blob * (*get_config_blob)(void *ctx, + const char *name); +}; + + +enum wpa_sm_conf_params { + RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, + RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, + RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, + WPA_PARAM_PROTO, + WPA_PARAM_PAIRWISE, + WPA_PARAM_GROUP, + WPA_PARAM_KEY_MGMT +}; + +struct wpa_ie_data { + int proto; + int pairwise_cipher; + int group_cipher; + int key_mgmt; + int capabilities; + int num_pmkid; + const u8 *pmkid; +}; + +#ifndef CONFIG_NO_WPA + +struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); +void wpa_sm_deinit(struct wpa_sm *sm); +void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); +void wpa_sm_notify_disassoc(struct wpa_sm *sm); +void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); +void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); +void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); +void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); +void wpa_sm_set_config(struct wpa_sm *sm, struct wpa_ssid *config); +void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); +void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname); +void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); +int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); +int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, + size_t *wpa_ie_len); +int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); +int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); +int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); + +int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, + unsigned int value); +unsigned int wpa_sm_get_param(struct wpa_sm *sm, + enum wpa_sm_conf_params param); + +int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, + int verbose); + +void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); + +int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, + struct wpa_ie_data *data); + +int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, + const u8 *buf, size_t len); +int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); + +#else /* CONFIG_NO_WPA */ + +static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) +{ + return (struct wpa_sm *) 1; +} + +static inline void wpa_sm_deinit(struct wpa_sm *sm) +{ +} + +static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) +{ +} + +static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) +{ +} + +static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, + size_t pmk_len) +{ +} + +static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) +{ +} + +static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) +{ +} + +static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) +{ +} + +static inline void wpa_sm_set_config(struct wpa_sm *sm, + struct wpa_ssid *config) +{ +} + +static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) +{ +} + +static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname) +{ +} + +static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) +{ +} + +static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, + size_t len) +{ + return -1; +} + +static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, + u8 *wpa_ie, + size_t *wpa_ie_len) +{ + return -1; +} + +static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, + size_t len) +{ + return -1; +} + +static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, + size_t len) +{ + return -1; +} + +static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) +{ + return 0; +} + +static inline int wpa_sm_set_param(struct wpa_sm *sm, + enum wpa_sm_conf_params param, + unsigned int value) +{ + return -1; +} + +static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, + enum wpa_sm_conf_params param) +{ + return 0; +} + +static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, + size_t buflen, int verbose) +{ + return 0; +} + +static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, + int pairwise) +{ +} + +static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, + struct wpa_ie_data *data) +{ + return -1; +} + +static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, + const u8 *buf, size_t len) +{ + return -1; +} + +static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, + struct wpa_ie_data *data) +{ + return -1; +} + +#endif /* CONFIG_NO_WPA */ + #endif /* WPA_H */ |
