freebsd-dev/contrib/hostapd/ieee802_11.h
2005-06-05 22:35:03 +00:00

100 lines
2.3 KiB
C

#ifndef IEEE802_11_H
#define IEEE802_11_H
struct ieee80211_mgmt {
u16 frame_control;
u16 duration;
u8 da[6];
u8 sa[6];
u8 bssid[6];
u16 seq_ctrl;
union {
struct {
u16 auth_alg;
u16 auth_transaction;
u16 status_code;
/* possibly followed by Challenge text */
u8 variable[0];
} __attribute__ ((packed)) auth;
struct {
u16 reason_code;
} __attribute__ ((packed)) deauth;
struct {
u16 capab_info;
u16 listen_interval;
/* followed by SSID and Supported rates */
u8 variable[0];
} __attribute__ ((packed)) assoc_req;
struct {
u16 capab_info;
u16 status_code;
u16 aid;
/* followed by Supported rates */
u8 variable[0];
} __attribute__ ((packed)) assoc_resp, reassoc_resp;
struct {
u16 capab_info;
u16 listen_interval;
u8 current_ap[6];
/* followed by SSID and Supported rates */
u8 variable[0];
} __attribute__ ((packed)) reassoc_req;
struct {
u16 reason_code;
} __attribute__ ((packed)) disassoc;
struct {
u8 timestamp[8];
u16 beacon_int;
u16 capab_info;
/* followed by some of SSID, Supported rates,
* FH Params, DS Params, CF Params, IBSS Params, TIM */
u8 variable[0];
} __attribute__ ((packed)) beacon;
} u;
} __attribute__ ((packed));
/* Parsed Information Elements */
struct ieee802_11_elems {
u8 *ssid;
u8 ssid_len;
u8 *supp_rates;
u8 supp_rates_len;
u8 *fh_params;
u8 fh_params_len;
u8 *ds_params;
u8 ds_params_len;
u8 *cf_params;
u8 cf_params_len;
u8 *tim;
u8 tim_len;
u8 *ibss_params;
u8 ibss_params_len;
u8 *challenge;
u8 challenge_len;
u8 *wpa_ie;
u8 wpa_ie_len;
u8 *rsn_ie;
u8 rsn_ie_len;
};
typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
void ieee802_11_mgmt(struct hostapd_data *hapd, u8 *buf, size_t len,
u16 stype);
void ieee802_11_mgmt_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
u16 stype, int ok);
ParseRes ieee802_11_parse_elems(struct hostapd_data *hapd, u8 *start,
size_t len,
struct ieee802_11_elems *elems,
int show_errors);
void ieee80211_michael_mic_failure(struct hostapd_data *hapd, u8 *addr,
int local);
int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
char *buf, size_t buflen);
#endif /* IEEE802_11_H */