contrib/hostapd-0.4.9/ieee802_11.h

   1 #ifndef IEEE802_11_H
   2 #define IEEE802_11_H
   3
   4
   5 struct ieee80211_mgmt {
   6         u16 frame_control;
   7         u16 duration;
   8         u8 da[6];
   9         u8 sa[6];
  10         u8 bssid[6];
  11         u16 seq_ctrl;
  12         union {
  13                 struct {
  14                         u16 auth_alg;
  15                         u16 auth_transaction;
  16                         u16 status_code;
  17                         /* possibly followed by Challenge text */
  18                         u8 variable[0];
  19                 } __attribute__ ((packed)) auth;
  20                 struct {
  21                         u16 reason_code;
  22                 } __attribute__ ((packed)) deauth;
  23                 struct {
  24                         u16 capab_info;
  25                         u16 listen_interval;
  26                         /* followed by SSID and Supported rates */
  27                         u8 variable[0];
  28                 } __attribute__ ((packed)) assoc_req;
  29                 struct {
  30                         u16 capab_info;
  31                         u16 status_code;
  32                         u16 aid;
  33                         /* followed by Supported rates */
  34                         u8 variable[0];
  35                 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
  36                 struct {
  37                         u16 capab_info;
  38                         u16 listen_interval;
  39                         u8 current_ap[6];
  40                         /* followed by SSID and Supported rates */
  41                         u8 variable[0];
  42                 } __attribute__ ((packed)) reassoc_req;
  43                 struct {
  44                         u16 reason_code;
  45                 } __attribute__ ((packed)) disassoc;
  46                 struct {
  47                         u8 timestamp[8];
  48                         u16 beacon_int;
  49                         u16 capab_info;
  50                         /* followed by some of SSID, Supported rates,
  51                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
  52                         u8 variable[0];
  53                 } __attribute__ ((packed)) beacon;
  54         } u;
  55 } __attribute__ ((packed));
  56
  57
  58 /* Parsed Information Elements */
  59 struct ieee802_11_elems {
  60         u8 *ssid;
  61         u8 ssid_len;
  62         u8 *supp_rates;
  63         u8 supp_rates_len;
  64         u8 *fh_params;
  65         u8 fh_params_len;
  66         u8 *ds_params;
  67         u8 ds_params_len;
  68         u8 *cf_params;
  69         u8 cf_params_len;
  70         u8 *tim;
  71         u8 tim_len;
  72         u8 *ibss_params;
  73         u8 ibss_params_len;
  74         u8 *challenge;
  75         u8 challenge_len;
  76         u8 *wpa_ie;
  77         u8 wpa_ie_len;
  78         u8 *rsn_ie;
  79         u8 rsn_ie_len;
  80 };
  81
  82 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
  83
  84
  85 void ieee802_11_mgmt(struct hostapd_data *hapd, u8 *buf, size_t len,
  86                      u16 stype);
  87 void ieee802_11_mgmt_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
  88                         u16 stype, int ok);
  89 ParseRes ieee802_11_parse_elems(struct hostapd_data *hapd, u8 *start,
  90                                 size_t len,
  91                                 struct ieee802_11_elems *elems,
  92                                 int show_errors);
  93 void ieee80211_michael_mic_failure(struct hostapd_data *hapd, u8 *addr,
  94                                    int local);
  95 int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen);
  96 int ieee802_11_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
  97                            char *buf, size_t buflen);
  98
  99 #endif /* IEEE802_11_H */