1 /* 2 * hostapd / Station table 3 * Copyright (c) 2002-2011, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef STA_INFO_H 10 #define STA_INFO_H 11 12 /* STA flags */ 13 #define WLAN_STA_AUTH BIT(0) 14 #define WLAN_STA_ASSOC BIT(1) 15 #define WLAN_STA_PS BIT(2) 16 #define WLAN_STA_TIM BIT(3) 17 #define WLAN_STA_PERM BIT(4) 18 #define WLAN_STA_AUTHORIZED BIT(5) 19 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 20 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 21 #define WLAN_STA_PREAUTH BIT(8) 22 #define WLAN_STA_WMM BIT(9) 23 #define WLAN_STA_MFP BIT(10) 24 #define WLAN_STA_HT BIT(11) 25 #define WLAN_STA_WPS BIT(12) 26 #define WLAN_STA_MAYBE_WPS BIT(13) 27 #define WLAN_STA_WDS BIT(14) 28 #define WLAN_STA_ASSOC_REQ_OK BIT(15) 29 #define WLAN_STA_WPS2 BIT(16) 30 #define WLAN_STA_GAS BIT(17) 31 #define WLAN_STA_VHT BIT(18) 32 #define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 33 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 34 #define WLAN_STA_NONERP BIT(31) 35 36 /* Maximum number of supported rates (from both Supported Rates and Extended 37 * Supported Rates IEs). */ 38 #define WLAN_SUPP_RATES_MAX 32 39 40 41 struct sta_info { 42 struct sta_info *next; /* next entry in sta list */ 43 struct sta_info *hnext; /* next entry in hash table list */ 44 u8 addr[6]; 45 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 46 u32 flags; /* Bitfield of WLAN_STA_* */ 47 u16 capability; 48 u16 listen_interval; /* or beacon_int for APs */ 49 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 50 int supported_rates_len; 51 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 52 53 unsigned int nonerp_set:1; 54 unsigned int no_short_slot_time_set:1; 55 unsigned int no_short_preamble_set:1; 56 unsigned int no_ht_gf_set:1; 57 unsigned int no_ht_set:1; 58 unsigned int ht_20mhz_set:1; 59 unsigned int no_p2p_set:1; 60 61 u16 auth_alg; 62 u8 previous_ap[6]; 63 64 enum { 65 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE 66 } timeout_next; 67 68 u16 deauth_reason; 69 u16 disassoc_reason; 70 71 /* IEEE 802.1X related data */ 72 struct eapol_state_machine *eapol_sm; 73 74 /* IEEE 802.11f (IAPP) related data */ 75 struct ieee80211_mgmt *last_assoc_req; 76 77 u32 acct_session_id_hi; 78 u32 acct_session_id_lo; 79 time_t acct_session_start; 80 int acct_session_started; 81 int acct_terminate_cause; /* Acct-Terminate-Cause */ 82 int acct_interim_interval; /* Acct-Interim-Interval */ 83 84 unsigned long last_rx_bytes; 85 unsigned long last_tx_bytes; 86 u32 acct_input_gigawords; /* Acct-Input-Gigawords */ 87 u32 acct_output_gigawords; /* Acct-Output-Gigawords */ 88 89 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 90 91 struct wpa_state_machine *wpa_sm; 92 struct rsn_preauth_interface *preauth_iface; 93 94 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ 95 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ 96 97 int vlan_id; 98 u8 *psk; /* PSK from RADIUS authentication server */ 99 100 char *identity; /* User-Name from RADIUS */ 101 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 102 103 struct ieee80211_ht_capabilities *ht_capabilities; 104 struct ieee80211_vht_capabilities *vht_capabilities; 105 106 #ifdef CONFIG_IEEE80211W 107 int sa_query_count; /* number of pending SA Query requests; 108 * 0 = no SA Query in progress */ 109 int sa_query_timed_out; 110 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 111 * sa_query_count octets of pending SA Query 112 * transaction identifiers */ 113 struct os_time sa_query_start; 114 #endif /* CONFIG_IEEE80211W */ 115 116 #ifdef CONFIG_INTERWORKING 117 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 118 struct gas_dialog_info *gas_dialog; 119 u8 gas_dialog_next; 120 #endif /* CONFIG_INTERWORKING */ 121 122 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 123 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 124 }; 125 126 127 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 128 * passed since last received frame from the station, a nullfunc data frame is 129 * sent to the station. If this frame is not acknowledged and no other frames 130 * have been received, the station will be disassociated after 131 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 132 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 133 #define AP_MAX_INACTIVITY (5 * 60) 134 #define AP_DISASSOC_DELAY (1) 135 #define AP_DEAUTH_DELAY (1) 136 /* Number of seconds to keep STA entry with Authenticated flag after it has 137 * been disassociated. */ 138 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 139 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 140 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 141 142 143 struct hostapd_data; 144 145 int ap_for_each_sta(struct hostapd_data *hapd, 146 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 147 void *ctx), 148 void *ctx); 149 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 150 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 151 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 152 void hostapd_free_stas(struct hostapd_data *hapd); 153 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 154 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 155 u32 session_timeout); 156 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 157 struct sta_info *sta); 158 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 159 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 160 u16 reason); 161 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 162 u16 reason); 163 #ifdef CONFIG_WPS 164 int ap_sta_wps_cancel(struct hostapd_data *hapd, 165 struct sta_info *sta, void *ctx); 166 #endif /* CONFIG_WPS */ 167 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 168 int old_vlanid); 169 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 170 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 171 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 172 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 173 const u8 *addr, u16 reason); 174 175 void ap_sta_set_authorized(struct hostapd_data *hapd, 176 struct sta_info *sta, int authorized); 177 static inline int ap_sta_is_authorized(struct sta_info *sta) 178 { 179 return sta->flags & WLAN_STA_AUTHORIZED; 180 } 181 182 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 183 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 184 185 #endif /* STA_INFO_H */ 186
