18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / Station table 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 58d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This program is free software; you can redistribute it and/or modify 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it under the terms of the GNU General Public License version 2 as 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * published by the Free Software Foundation. 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Alternatively, this software may be distributed under the terms of BSD 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * license. 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See README and COPYING for more details. 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef STA_INFO_H 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STA_INFO_H 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* STA flags */ 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_AUTH BIT(0) 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_ASSOC BIT(1) 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_PS BIT(2) 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_TIM BIT(3) 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_PERM BIT(4) 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_AUTHORIZED BIT(5) 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_SHORT_PREAMBLE BIT(7) 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_PREAUTH BIT(8) 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_WMM BIT(9) 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_MFP BIT(10) 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_HT BIT(11) 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_WPS BIT(12) 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_MAYBE_WPS BIT(13) 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_WDS BIT(14) 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_ASSOC_REQ_OK BIT(15) 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_STA_NONERP BIT(31) 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Maximum number of supported rates (from both Supported Rates and Extended 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Supported Rates IEs). */ 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WLAN_SUPP_RATES_MAX 32 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct sta_info { 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *next; /* next entry in sta list */ 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *hnext; /* next entry in hash table list */ 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 addr[6]; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 flags; /* Bitfield of WLAN_STA_* */ 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 capability; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 listen_interval; /* or beacon_int for APs */ 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 supported_rates[WLAN_SUPP_RATES_MAX]; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int supported_rates_len; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int nonerp_set:1; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int no_short_slot_time_set:1; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int no_short_preamble_set:1; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int no_ht_gf_set:1; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int no_ht_set:1; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int ht_20mhz_set:1; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int no_p2p_set:1; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 auth_alg; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 previous_ap[6]; 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } timeout_next; 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* IEEE 802.1X related data */ 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_state_machine *eapol_sm; 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* IEEE 802.11f (IAPP) related data */ 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee80211_mgmt *last_assoc_req; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 acct_session_id_hi; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 acct_session_id_lo; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt time_t acct_session_start; 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int acct_session_started; 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int acct_terminate_cause; /* Acct-Terminate-Cause */ 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int acct_interim_interval; /* Acct-Interim-Interval */ 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned long last_rx_bytes; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned long last_tx_bytes; 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 acct_input_gigawords; /* Acct-Input-Gigawords */ 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 acct_output_gigawords; /* Acct-Output-Gigawords */ 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_state_machine *wpa_sm; 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_preauth_interface *preauth_iface; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int vlan_id; 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee80211_ht_capabilities *ht_capabilities; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sa_query_count; /* number of pending SA Query requests; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 0 = no SA Query in progress */ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sa_query_timed_out; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * sa_query_count octets of pending SA Query 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transaction identifiers */ 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time sa_query_start; 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * passed since last received frame from the station, a nullfunc data frame is 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * sent to the station. If this frame is not acknowledged and no other frames 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * have been received, the station will be disassociated after 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * AP_DISASSOC_DELAY seconds. Similarily, the station will be deauthenticated 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define AP_MAX_INACTIVITY (5 * 60) 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define AP_DISASSOC_DELAY (1) 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define AP_DEAUTH_DELAY (1) 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Number of seconds to keep STA entry with Authenticated flag after it has 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been disassociated. */ 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Number of seconds to keep STA entry after it has been deauthenticated. */ 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct hostapd_data; 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ap_for_each_sta(struct hostapd_data *hapd, 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *ctx), 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *ctx); 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid hostapd_free_stas(struct hostapd_data *hapd); 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 session_timeout); 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_no_session_timeout(struct hostapd_data *hapd, 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta); 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 reason); 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 reason); 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int old_vlanid); 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr, u16 reason); 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ap_sta_set_authorized(struct hostapd_data *hapd, 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta, int authorized); 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int ap_sta_is_authorized(struct sta_info *sta) 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sta->flags & WLAN_STA_AUTHORIZED; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* STA_INFO_H */ 166