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_AUTHORIZED BIT(5) 16 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 17 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 18 #define WLAN_STA_PREAUTH BIT(8) 19 #define WLAN_STA_WMM BIT(9) 20 #define WLAN_STA_MFP BIT(10) 21 #define WLAN_STA_HT BIT(11) 22 #define WLAN_STA_WPS BIT(12) 23 #define WLAN_STA_MAYBE_WPS BIT(13) 24 #define WLAN_STA_WDS BIT(14) 25 #define WLAN_STA_ASSOC_REQ_OK BIT(15) 26 #define WLAN_STA_WPS2 BIT(16) 27 #define WLAN_STA_GAS BIT(17) 28 #define WLAN_STA_VHT BIT(18) 29 #define WLAN_STA_WNM_SLEEP_MODE BIT(19) 30 #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 31 #define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 32 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 33 #define WLAN_STA_NONERP BIT(31) 34 35 /* Maximum number of supported rates (from both Supported Rates and Extended 36 * Supported Rates IEs). */ 37 #define WLAN_SUPP_RATES_MAX 32 38 39 40 struct sta_info { 41 struct sta_info *next; /* next entry in sta list */ 42 struct sta_info *hnext; /* next entry in hash table list */ 43 u8 addr[6]; 44 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 45 u32 flags; /* Bitfield of WLAN_STA_* */ 46 u16 capability; 47 u16 listen_interval; /* or beacon_int for APs */ 48 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 49 int supported_rates_len; 50 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 51 52 unsigned int nonerp_set:1; 53 unsigned int no_short_slot_time_set:1; 54 unsigned int no_short_preamble_set:1; 55 unsigned int no_ht_gf_set:1; 56 unsigned int no_ht_set:1; 57 unsigned int ht40_intolerant_set:1; 58 unsigned int ht_20mhz_set:1; 59 unsigned int no_p2p_set:1; 60 unsigned int qos_map_enabled:1; 61 unsigned int remediation:1; 62 unsigned int hs20_deauth_requested:1; 63 64 u16 auth_alg; 65 66 enum { 67 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 68 STA_DISASSOC_FROM_CLI 69 } timeout_next; 70 71 u16 deauth_reason; 72 u16 disassoc_reason; 73 74 /* IEEE 802.1X related data */ 75 struct eapol_state_machine *eapol_sm; 76 77 u32 acct_session_id_hi; 78 u32 acct_session_id_lo; 79 struct os_reltime 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 /* PSKs from RADIUS authentication server */ 99 struct hostapd_sta_wpa_psk_short *psk; 100 101 char *identity; /* User-Name from RADIUS */ 102 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 103 104 struct ieee80211_ht_capabilities *ht_capabilities; 105 struct ieee80211_vht_capabilities *vht_capabilities; 106 u8 vht_opmode; 107 108 #ifdef CONFIG_IEEE80211W 109 int sa_query_count; /* number of pending SA Query requests; 110 * 0 = no SA Query in progress */ 111 int sa_query_timed_out; 112 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 113 * sa_query_count octets of pending SA Query 114 * transaction identifiers */ 115 struct os_reltime sa_query_start; 116 #endif /* CONFIG_IEEE80211W */ 117 118 #ifdef CONFIG_INTERWORKING 119 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 120 struct gas_dialog_info *gas_dialog; 121 u8 gas_dialog_next; 122 #endif /* CONFIG_INTERWORKING */ 123 124 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 125 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 126 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 127 u8 remediation_method; 128 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 129 struct wpabuf *hs20_deauth_req; 130 char *hs20_session_info_url; 131 int hs20_disassoc_timer; 132 133 struct os_reltime connected_time; 134 135 #ifdef CONFIG_SAE 136 struct sae_data *sae; 137 #endif /* CONFIG_SAE */ 138 }; 139 140 141 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 142 * passed since last received frame from the station, a nullfunc data frame is 143 * sent to the station. If this frame is not acknowledged and no other frames 144 * have been received, the station will be disassociated after 145 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 146 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 147 #define AP_MAX_INACTIVITY (5 * 60) 148 #define AP_DISASSOC_DELAY (1) 149 #define AP_DEAUTH_DELAY (1) 150 /* Number of seconds to keep STA entry with Authenticated flag after it has 151 * been disassociated. */ 152 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 153 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 154 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 155 156 157 struct hostapd_data; 158 159 int ap_for_each_sta(struct hostapd_data *hapd, 160 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 161 void *ctx), 162 void *ctx); 163 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 164 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 165 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 166 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 167 void hostapd_free_stas(struct hostapd_data *hapd); 168 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 169 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 170 u32 session_timeout); 171 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 172 u32 session_timeout); 173 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 174 struct sta_info *sta); 175 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 176 struct sta_info *sta, int warning_time); 177 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 178 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 179 u16 reason); 180 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 181 u16 reason); 182 #ifdef CONFIG_WPS 183 int ap_sta_wps_cancel(struct hostapd_data *hapd, 184 struct sta_info *sta, void *ctx); 185 #endif /* CONFIG_WPS */ 186 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 187 int old_vlanid); 188 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 189 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 190 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 191 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 192 const u8 *addr, u16 reason); 193 194 void ap_sta_set_authorized(struct hostapd_data *hapd, 195 struct sta_info *sta, int authorized); 196 static inline int ap_sta_is_authorized(struct sta_info *sta) 197 { 198 return sta->flags & WLAN_STA_AUTHORIZED; 199 } 200 201 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 202 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 203 204 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 205 206 #endif /* STA_INFO_H */ 207
