mlme.c

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00001 
00018 #include "includes.h"
00019 
00020 #include "hostapd.h"
00021 #include "ieee802_11.h"
00022 #include "wpa.h"
00023 #include "sta_info.h"
00024 #include "mlme.h"
00025 
00026 
00027 #ifndef CONFIG_NO_HOSTAPD_LOGGER
00028 static const char * mlme_auth_alg_str(int alg)
00029 {
00030         switch (alg) {
00031         case WLAN_AUTH_OPEN:
00032                 return "OPEN_SYSTEM";
00033         case WLAN_AUTH_SHARED_KEY:
00034                 return "SHARED_KEY";
00035         case WLAN_AUTH_FT:
00036                 return "FT";
00037         }
00038 
00039         return "unknown";
00040 }
00041 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
00042 
00043 
00059 void mlme_authenticate_indication(struct hostapd_data *hapd,
00060                                   struct sta_info *sta)
00061 {
00062         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
00063                        HOSTAPD_LEVEL_DEBUG,
00064                        "MLME-AUTHENTICATE.indication(" MACSTR ", %s)",
00065                        MAC2STR(sta->addr), mlme_auth_alg_str(sta->auth_alg));
00066         if (sta->auth_alg != WLAN_AUTH_FT && !(sta->flags & WLAN_STA_MFP))
00067                 mlme_deletekeys_request(hapd, sta);
00068 }
00069 
00070 
00084 void mlme_deauthenticate_indication(struct hostapd_data *hapd,
00085                                     struct sta_info *sta, u16 reason_code)
00086 {
00087         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
00088                        HOSTAPD_LEVEL_DEBUG,
00089                        "MLME-DEAUTHENTICATE.indication(" MACSTR ", %d)",
00090                        MAC2STR(sta->addr), reason_code);
00091         mlme_deletekeys_request(hapd, sta);
00092 }
00093 
00094 
00108 void mlme_associate_indication(struct hostapd_data *hapd, struct sta_info *sta)
00109 {
00110         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
00111                        HOSTAPD_LEVEL_DEBUG,
00112                        "MLME-ASSOCIATE.indication(" MACSTR ")",
00113                        MAC2STR(sta->addr));
00114         if (sta->auth_alg != WLAN_AUTH_FT)
00115                 mlme_deletekeys_request(hapd, sta);
00116 }
00117 
00118 
00134 void mlme_reassociate_indication(struct hostapd_data *hapd,
00135                                  struct sta_info *sta)
00136 {
00137         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
00138                        HOSTAPD_LEVEL_DEBUG,
00139                        "MLME-REASSOCIATE.indication(" MACSTR ")",
00140                        MAC2STR(sta->addr));
00141         if (sta->auth_alg != WLAN_AUTH_FT)
00142                 mlme_deletekeys_request(hapd, sta);
00143 }
00144 
00145 
00159 void mlme_disassociate_indication(struct hostapd_data *hapd,
00160                                   struct sta_info *sta, u16 reason_code)
00161 {
00162         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
00163                        HOSTAPD_LEVEL_DEBUG,
00164                        "MLME-DISASSOCIATE.indication(" MACSTR ", %d)",
00165                        MAC2STR(sta->addr), reason_code);
00166         mlme_deletekeys_request(hapd, sta);
00167 }
00168 
00169 
00170 void mlme_michaelmicfailure_indication(struct hostapd_data *hapd,
00171                                        const u8 *addr)
00172 {
00173         hostapd_logger(hapd, addr, HOSTAPD_MODULE_MLME,
00174                        HOSTAPD_LEVEL_DEBUG,
00175                        "MLME-MichaelMICFailure.indication(" MACSTR ")",
00176                        MAC2STR(addr));
00177 }
00178 
00179 
00180 void mlme_deletekeys_request(struct hostapd_data *hapd, struct sta_info *sta)
00181 {
00182         hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
00183                        HOSTAPD_LEVEL_DEBUG,
00184                        "MLME-DELETEKEYS.request(" MACSTR ")",
00185                        MAC2STR(sta->addr));
00186 
00187         if (sta->wpa_sm)
00188                 wpa_remove_ptk(sta->wpa_sm);
00189 }
00190