1214501Srpaulo/* 2214501Srpaulo * hostapd / Station table 3252726Srpaulo * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> 4214501Srpaulo * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7214501Srpaulo */ 8214501Srpaulo 9214501Srpaulo#ifndef STA_INFO_H 10214501Srpaulo#define STA_INFO_H 11214501Srpaulo 12214501Srpaulo/* STA flags */ 13214501Srpaulo#define WLAN_STA_AUTH BIT(0) 14214501Srpaulo#define WLAN_STA_ASSOC BIT(1) 15214501Srpaulo#define WLAN_STA_PS BIT(2) 16214501Srpaulo#define WLAN_STA_TIM BIT(3) 17214501Srpaulo#define WLAN_STA_PERM BIT(4) 18214501Srpaulo#define WLAN_STA_AUTHORIZED BIT(5) 19214501Srpaulo#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 20214501Srpaulo#define WLAN_STA_SHORT_PREAMBLE BIT(7) 21214501Srpaulo#define WLAN_STA_PREAUTH BIT(8) 22214501Srpaulo#define WLAN_STA_WMM BIT(9) 23214501Srpaulo#define WLAN_STA_MFP BIT(10) 24214501Srpaulo#define WLAN_STA_HT BIT(11) 25214501Srpaulo#define WLAN_STA_WPS BIT(12) 26214501Srpaulo#define WLAN_STA_MAYBE_WPS BIT(13) 27214501Srpaulo#define WLAN_STA_WDS BIT(14) 28252726Srpaulo#define WLAN_STA_ASSOC_REQ_OK BIT(15) 29252726Srpaulo#define WLAN_STA_WPS2 BIT(16) 30252726Srpaulo#define WLAN_STA_GAS BIT(17) 31252726Srpaulo#define WLAN_STA_VHT BIT(18) 32252726Srpaulo#define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 33252726Srpaulo#define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 34214501Srpaulo#define WLAN_STA_NONERP BIT(31) 35214501Srpaulo 36214501Srpaulo/* Maximum number of supported rates (from both Supported Rates and Extended 37214501Srpaulo * Supported Rates IEs). */ 38214501Srpaulo#define WLAN_SUPP_RATES_MAX 32 39214501Srpaulo 40214501Srpaulo 41214501Srpaulostruct sta_info { 42214501Srpaulo struct sta_info *next; /* next entry in sta list */ 43214501Srpaulo struct sta_info *hnext; /* next entry in hash table list */ 44214501Srpaulo u8 addr[6]; 45214501Srpaulo u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 46214501Srpaulo u32 flags; /* Bitfield of WLAN_STA_* */ 47214501Srpaulo u16 capability; 48214501Srpaulo u16 listen_interval; /* or beacon_int for APs */ 49214501Srpaulo u8 supported_rates[WLAN_SUPP_RATES_MAX]; 50214501Srpaulo int supported_rates_len; 51252726Srpaulo u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 52214501Srpaulo 53214501Srpaulo unsigned int nonerp_set:1; 54214501Srpaulo unsigned int no_short_slot_time_set:1; 55214501Srpaulo unsigned int no_short_preamble_set:1; 56214501Srpaulo unsigned int no_ht_gf_set:1; 57214501Srpaulo unsigned int no_ht_set:1; 58214501Srpaulo unsigned int ht_20mhz_set:1; 59252726Srpaulo unsigned int no_p2p_set:1; 60214501Srpaulo 61214501Srpaulo u16 auth_alg; 62214501Srpaulo u8 previous_ap[6]; 63214501Srpaulo 64214501Srpaulo enum { 65214501Srpaulo STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE 66214501Srpaulo } timeout_next; 67214501Srpaulo 68252726Srpaulo u16 deauth_reason; 69252726Srpaulo u16 disassoc_reason; 70252726Srpaulo 71214501Srpaulo /* IEEE 802.1X related data */ 72214501Srpaulo struct eapol_state_machine *eapol_sm; 73214501Srpaulo 74214501Srpaulo /* IEEE 802.11f (IAPP) related data */ 75214501Srpaulo struct ieee80211_mgmt *last_assoc_req; 76214501Srpaulo 77214501Srpaulo u32 acct_session_id_hi; 78214501Srpaulo u32 acct_session_id_lo; 79214501Srpaulo time_t acct_session_start; 80214501Srpaulo int acct_session_started; 81214501Srpaulo int acct_terminate_cause; /* Acct-Terminate-Cause */ 82214501Srpaulo int acct_interim_interval; /* Acct-Interim-Interval */ 83214501Srpaulo 84214501Srpaulo unsigned long last_rx_bytes; 85214501Srpaulo unsigned long last_tx_bytes; 86214501Srpaulo u32 acct_input_gigawords; /* Acct-Input-Gigawords */ 87214501Srpaulo u32 acct_output_gigawords; /* Acct-Output-Gigawords */ 88214501Srpaulo 89214501Srpaulo u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 90214501Srpaulo 91214501Srpaulo struct wpa_state_machine *wpa_sm; 92214501Srpaulo struct rsn_preauth_interface *preauth_iface; 93214501Srpaulo 94214501Srpaulo struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ 95214501Srpaulo struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ 96214501Srpaulo 97214501Srpaulo int vlan_id; 98252726Srpaulo /* PSKs from RADIUS authentication server */ 99252726Srpaulo struct hostapd_sta_wpa_psk_short *psk; 100214501Srpaulo 101252726Srpaulo char *identity; /* User-Name from RADIUS */ 102252726Srpaulo char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 103252726Srpaulo 104214501Srpaulo struct ieee80211_ht_capabilities *ht_capabilities; 105252726Srpaulo struct ieee80211_vht_capabilities *vht_capabilities; 106214501Srpaulo 107214501Srpaulo#ifdef CONFIG_IEEE80211W 108214501Srpaulo int sa_query_count; /* number of pending SA Query requests; 109214501Srpaulo * 0 = no SA Query in progress */ 110214501Srpaulo int sa_query_timed_out; 111214501Srpaulo u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 112214501Srpaulo * sa_query_count octets of pending SA Query 113214501Srpaulo * transaction identifiers */ 114214501Srpaulo struct os_time sa_query_start; 115214501Srpaulo#endif /* CONFIG_IEEE80211W */ 116214501Srpaulo 117252726Srpaulo#ifdef CONFIG_INTERWORKING 118252726Srpaulo#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 119252726Srpaulo struct gas_dialog_info *gas_dialog; 120252726Srpaulo u8 gas_dialog_next; 121252726Srpaulo#endif /* CONFIG_INTERWORKING */ 122252726Srpaulo 123214501Srpaulo struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 124252726Srpaulo struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 125252726Srpaulo struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 126252726Srpaulo 127252726Srpaulo struct os_time connected_time; 128252726Srpaulo 129252726Srpaulo#ifdef CONFIG_SAE 130252726Srpaulo enum { SAE_INIT, SAE_COMMIT, SAE_CONFIRM } sae_state; 131252726Srpaulo u16 sae_send_confirm; 132252726Srpaulo#endif /* CONFIG_SAE */ 133214501Srpaulo}; 134214501Srpaulo 135214501Srpaulo 136214501Srpaulo/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 137214501Srpaulo * passed since last received frame from the station, a nullfunc data frame is 138214501Srpaulo * sent to the station. If this frame is not acknowledged and no other frames 139214501Srpaulo * have been received, the station will be disassociated after 140252726Srpaulo * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 141214501Srpaulo * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 142214501Srpaulo#define AP_MAX_INACTIVITY (5 * 60) 143214501Srpaulo#define AP_DISASSOC_DELAY (1) 144214501Srpaulo#define AP_DEAUTH_DELAY (1) 145214501Srpaulo/* Number of seconds to keep STA entry with Authenticated flag after it has 146214501Srpaulo * been disassociated. */ 147214501Srpaulo#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 148214501Srpaulo/* Number of seconds to keep STA entry after it has been deauthenticated. */ 149214501Srpaulo#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 150214501Srpaulo 151214501Srpaulo 152214501Srpaulostruct hostapd_data; 153214501Srpaulo 154214501Srpauloint ap_for_each_sta(struct hostapd_data *hapd, 155214501Srpaulo int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 156214501Srpaulo void *ctx), 157214501Srpaulo void *ctx); 158214501Srpaulostruct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 159214501Srpaulovoid ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 160214501Srpaulovoid ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 161214501Srpaulovoid hostapd_free_stas(struct hostapd_data *hapd); 162214501Srpaulovoid ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 163214501Srpaulovoid ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 164214501Srpaulo u32 session_timeout); 165214501Srpaulovoid ap_sta_no_session_timeout(struct hostapd_data *hapd, 166214501Srpaulo struct sta_info *sta); 167214501Srpaulostruct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 168214501Srpaulovoid ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 169214501Srpaulo u16 reason); 170214501Srpaulovoid ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 171214501Srpaulo u16 reason); 172252726Srpaulo#ifdef CONFIG_WPS 173252726Srpauloint ap_sta_wps_cancel(struct hostapd_data *hapd, 174252726Srpaulo struct sta_info *sta, void *ctx); 175252726Srpaulo#endif /* CONFIG_WPS */ 176214501Srpauloint ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 177214501Srpaulo int old_vlanid); 178214501Srpaulovoid ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 179214501Srpaulovoid ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 180214501Srpauloint ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 181214501Srpaulovoid ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 182214501Srpaulo const u8 *addr, u16 reason); 183214501Srpaulo 184252726Srpaulovoid ap_sta_set_authorized(struct hostapd_data *hapd, 185252726Srpaulo struct sta_info *sta, int authorized); 186252726Srpaulostatic inline int ap_sta_is_authorized(struct sta_info *sta) 187252726Srpaulo{ 188252726Srpaulo return sta->flags & WLAN_STA_AUTHORIZED; 189252726Srpaulo} 190252726Srpaulo 191252726Srpaulovoid ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 192252726Srpaulovoid ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 193252726Srpaulo 194214501Srpaulo#endif /* STA_INFO_H */ 195