contrib/hostapd-0.4.9/hostapd.h

   1 #ifndef HOSTAPD_H
   2 #define HOSTAPD_H
   3
   4 #include "common.h"
   5 #include "ap.h"
   6
   7 #ifndef ETH_ALEN
   8 #define ETH_ALEN 6
   9 #endif
  10 #ifndef IFNAMSIZ
  11 #define IFNAMSIZ 16
  12 #endif
  13 #ifndef ETH_P_ALL
  14 #define ETH_P_ALL 0x0003
  15 #endif
  16 #ifndef ETH_P_PAE
  17 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
  18 #endif /* ETH_P_PAE */
  19
  20 #ifndef BIT
  21 #define BIT(x) (1 << (x))
  22 #endif
  23
  24 #ifndef MAC2STR
  25 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
  26 #define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
  27 #endif
  28
  29 #include "config.h"
  30
  31 struct ieee8023_hdr {
  32         u8 dest[6];
  33         u8 src[6];
  34         u16 ethertype;
  35 } __attribute__ ((packed));
  36
  37
  38 struct ieee80211_hdr {
  39         u16 frame_control;
  40         u16 duration_id;
  41         u8 addr1[6];
  42         u8 addr2[6];
  43         u8 addr3[6];
  44         u16 seq_ctrl;
  45         /* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
  46          */
  47 } __attribute__ ((packed));
  48
  49 #define IEEE80211_DA_FROMDS addr1
  50 #define IEEE80211_BSSID_FROMDS addr2
  51 #define IEEE80211_SA_FROMDS addr3
  52
  53 #define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))
  54
  55 #define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))
  56
  57 /* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
  58  * frames that might be longer than normal default MTU and they are not
  59  * fragmented */
  60 #define HOSTAPD_MTU 2290
  61
  62 extern unsigned char rfc1042_header[6];
  63
  64 typedef struct hostapd_data hostapd;
  65
  66 struct hostap_sta_driver_data {
  67         unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
  68 };
  69
  70 struct driver_ops;
  71 struct wpa_ctrl_dst;
  72 struct radius_server_data;
  73
  74 struct hostapd_data {
  75         struct hostapd_config *conf;
  76         char *config_fname;
  77
  78         u8 own_addr[6];
  79
  80         int num_sta; /* number of entries in sta_list */
  81         struct sta_info *sta_list; /* STA info list head */
  82         struct sta_info *sta_hash[STA_HASH_SIZE];
  83
  84         /* pointers to STA info; based on allocated AID or NULL if AID free
  85          * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
  86          * and so on
  87          */
  88         struct sta_info *sta_aid[MAX_AID_TABLE_SIZE];
  89
  90         struct driver_ops *driver;
  91
  92         u8 *default_wep_key;
  93         u8 default_wep_key_idx;
  94
  95         struct radius_client_data *radius;
  96         u32 acct_session_id_hi, acct_session_id_lo;
  97
  98         struct iapp_data *iapp;
  99
 100         enum { DO_NOT_ASSOC = 0, WAIT_BEACON, AUTHENTICATE, ASSOCIATE,
 101                ASSOCIATED } assoc_ap_state;
 102         char assoc_ap_ssid[33];
 103         int assoc_ap_ssid_len;
 104         u16 assoc_ap_aid;
 105
 106         struct hostapd_cached_radius_acl *acl_cache;
 107         struct hostapd_acl_query_data *acl_queries;
 108
 109         u8 *wpa_ie;
 110         size_t wpa_ie_len;
 111         struct wpa_authenticator *wpa_auth;
 112
 113 #define PMKID_HASH_SIZE 128
 114 #define PMKID_HASH(pmkid) (unsigned int) ((pmkid)[0] & 0x7f)
 115         struct rsn_pmksa_cache *pmkid[PMKID_HASH_SIZE];
 116         struct rsn_pmksa_cache *pmksa;
 117         int pmksa_count;
 118
 119         struct rsn_preauth_interface *preauth_iface;
 120         time_t michael_mic_failure;
 121         int michael_mic_failures;
 122         int tkip_countermeasures;
 123
 124         int ctrl_sock;
 125         struct wpa_ctrl_dst *ctrl_dst;
 126
 127         void *ssl_ctx;
 128         void *eap_sim_db_priv;
 129         struct radius_server_data *radius_srv;
 130 };
 131
 132 void hostapd_new_assoc_sta(hostapd *hapd, struct sta_info *sta, int reassoc);
 133 void hostapd_logger(struct hostapd_data *hapd, const u8 *addr,
 134                     unsigned int module, int level, const char *fmt,
 135                     ...) __attribute__ ((format (printf, 5, 6)));
 136
 137
 138 #define HOSTAPD_DEBUG(level, args...) \
 139 do { \
 140         if (hapd->conf == NULL || hapd->conf->debug >= (level)) \
 141                 printf(args); \
 142 } while (0)
 143
 144 #define HOSTAPD_DEBUG_COND(level) (hapd->conf->debug >= (level))
 145
 146 const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
 147                             size_t buflen);
 148
 149 #endif /* HOSTAPD_H */