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