1/* 2 * hostapd / Station table 3 * Copyright (c) 2002-2011, Jouni Malinen <j@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 40struct 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 unsigned int session_timeout_set:1; 64 65 u16 auth_alg; 66 67 enum { 68 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 69 STA_DISASSOC_FROM_CLI 70 } timeout_next; 71 72 u16 deauth_reason; 73 u16 disassoc_reason; 74 75 /* IEEE 802.1X related data */ 76 struct eapol_state_machine *eapol_sm; 77 78 u32 acct_session_id_hi; 79 u32 acct_session_id_lo; 80 struct os_reltime acct_session_start; 81 int acct_session_started; 82 int acct_terminate_cause; /* Acct-Terminate-Cause */ 83 int acct_interim_interval; /* Acct-Interim-Interval */ 84 85 unsigned long last_rx_bytes; 86 unsigned long last_tx_bytes; 87 u32 acct_input_gigawords; /* Acct-Input-Gigawords */ 88 u32 acct_output_gigawords; /* Acct-Output-Gigawords */ 89 90 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 91 92 struct wpa_state_machine *wpa_sm; 93 struct rsn_preauth_interface *preauth_iface; 94 95 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ 96 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ 97 98 int vlan_id; 99 /* PSKs from RADIUS authentication server */ 100 struct hostapd_sta_wpa_psk_short *psk; 101 102 char *identity; /* User-Name from RADIUS */ 103 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 104 105 struct ieee80211_ht_capabilities *ht_capabilities; 106 struct ieee80211_vht_capabilities *vht_capabilities; 107 u8 vht_opmode; 108 109#ifdef CONFIG_IEEE80211W 110 int sa_query_count; /* number of pending SA Query requests; 111 * 0 = no SA Query in progress */ 112 int sa_query_timed_out; 113 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 114 * sa_query_count octets of pending SA Query 115 * transaction identifiers */ 116 struct os_reltime sa_query_start; 117#endif /* CONFIG_IEEE80211W */ 118 119#ifdef CONFIG_INTERWORKING 120#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 121 struct gas_dialog_info *gas_dialog; 122 u8 gas_dialog_next; 123#endif /* CONFIG_INTERWORKING */ 124 125 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 126 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 127 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 128 u8 remediation_method; 129 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 130 struct wpabuf *hs20_deauth_req; 131 char *hs20_session_info_url; 132 int hs20_disassoc_timer; 133 134 struct os_reltime connected_time; 135 136#ifdef CONFIG_SAE 137 struct sae_data *sae; 138#endif /* CONFIG_SAE */ 139 140 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 141}; 142 143 144/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 145 * passed since last received frame from the station, a nullfunc data frame is 146 * sent to the station. If this frame is not acknowledged and no other frames 147 * have been received, the station will be disassociated after 148 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 149 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 150#define AP_MAX_INACTIVITY (5 * 60) 151#define AP_DISASSOC_DELAY (1) 152#define AP_DEAUTH_DELAY (1) 153/* Number of seconds to keep STA entry with Authenticated flag after it has 154 * been disassociated. */ 155#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 156/* Number of seconds to keep STA entry after it has been deauthenticated. */ 157#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 158 159 160struct hostapd_data; 161 162int ap_for_each_sta(struct hostapd_data *hapd, 163 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 164 void *ctx), 165 void *ctx); 166struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 167struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 168void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 169void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 170void hostapd_free_stas(struct hostapd_data *hapd); 171void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 172void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 173 u32 session_timeout); 174void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 175 u32 session_timeout); 176void ap_sta_no_session_timeout(struct hostapd_data *hapd, 177 struct sta_info *sta); 178void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 179 struct sta_info *sta, int warning_time); 180struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 181void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 182 u16 reason); 183void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 184 u16 reason); 185#ifdef CONFIG_WPS 186int ap_sta_wps_cancel(struct hostapd_data *hapd, 187 struct sta_info *sta, void *ctx); 188#endif /* CONFIG_WPS */ 189int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 190 int old_vlanid); 191void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 192void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 193int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 194void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 195 const u8 *addr, u16 reason); 196 197void ap_sta_set_authorized(struct hostapd_data *hapd, 198 struct sta_info *sta, int authorized); 199static inline int ap_sta_is_authorized(struct sta_info *sta) 200{ 201 return sta->flags & WLAN_STA_AUTHORIZED; 202} 203 204void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 205void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 206 207int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 208 209#endif /* STA_INFO_H */ 210