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 #ifdef CONFIG_MESH 13 /* needed for mesh_plink_state enum */ 14 #include "common/defs.h" 15 #endif /* CONFIG_MESH */ 16 17 #include "list.h" 18 19 /* STA flags */ 20 #define WLAN_STA_AUTH BIT(0) 21 #define WLAN_STA_ASSOC BIT(1) 22 #define WLAN_STA_AUTHORIZED BIT(5) 23 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 24 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 25 #define WLAN_STA_PREAUTH BIT(8) 26 #define WLAN_STA_WMM BIT(9) 27 #define WLAN_STA_MFP BIT(10) 28 #define WLAN_STA_HT BIT(11) 29 #define WLAN_STA_WPS BIT(12) 30 #define WLAN_STA_MAYBE_WPS BIT(13) 31 #define WLAN_STA_WDS BIT(14) 32 #define WLAN_STA_ASSOC_REQ_OK BIT(15) 33 #define WLAN_STA_WPS2 BIT(16) 34 #define WLAN_STA_GAS BIT(17) 35 #define WLAN_STA_VHT BIT(18) 36 #define WLAN_STA_WNM_SLEEP_MODE BIT(19) 37 #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 38 #define WLAN_STA_VENDOR_VHT BIT(21) 39 #define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 40 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 41 #define WLAN_STA_NONERP BIT(31) 42 43 /* Maximum number of supported rates (from both Supported Rates and Extended 44 * Supported Rates IEs). */ 45 #define WLAN_SUPP_RATES_MAX 32 46 47 48 struct sta_info { 49 struct sta_info *next; /* next entry in sta list */ 50 struct sta_info *hnext; /* next entry in hash table list */ 51 u8 addr[6]; 52 be32 ipaddr; 53 struct dl_list ip6addr; /* list head for struct ip6addr */ 54 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 55 u32 flags; /* Bitfield of WLAN_STA_* */ 56 u16 capability; 57 u16 listen_interval; /* or beacon_int for APs */ 58 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 59 int supported_rates_len; 60 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 61 62 #ifdef CONFIG_MESH 63 enum mesh_plink_state plink_state; 64 u16 peer_lid; 65 u16 my_lid; 66 u16 mpm_close_reason; 67 int mpm_retries; 68 u8 my_nonce[32]; 69 u8 peer_nonce[32]; 70 u8 aek[32]; /* SHA256 digest length */ 71 u8 mtk[16]; 72 u8 mgtk[16]; 73 u8 sae_auth_retry; 74 #endif /* CONFIG_MESH */ 75 76 unsigned int nonerp_set:1; 77 unsigned int no_short_slot_time_set:1; 78 unsigned int no_short_preamble_set:1; 79 unsigned int no_ht_gf_set:1; 80 unsigned int no_ht_set:1; 81 unsigned int ht40_intolerant_set:1; 82 unsigned int ht_20mhz_set:1; 83 unsigned int no_p2p_set:1; 84 unsigned int qos_map_enabled:1; 85 unsigned int remediation:1; 86 unsigned int hs20_deauth_requested:1; 87 unsigned int session_timeout_set:1; 88 unsigned int radius_das_match:1; 89 90 u16 auth_alg; 91 92 enum { 93 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 94 STA_DISASSOC_FROM_CLI 95 } timeout_next; 96 97 u16 deauth_reason; 98 u16 disassoc_reason; 99 100 /* IEEE 802.1X related data */ 101 struct eapol_state_machine *eapol_sm; 102 103 u32 acct_session_id_hi; 104 u32 acct_session_id_lo; 105 struct os_reltime acct_session_start; 106 int acct_session_started; 107 int acct_terminate_cause; /* Acct-Terminate-Cause */ 108 int acct_interim_interval; /* Acct-Interim-Interval */ 109 110 unsigned long last_rx_bytes; 111 unsigned long last_tx_bytes; 112 u32 acct_input_gigawords; /* Acct-Input-Gigawords */ 113 u32 acct_output_gigawords; /* Acct-Output-Gigawords */ 114 115 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 116 117 struct wpa_state_machine *wpa_sm; 118 struct rsn_preauth_interface *preauth_iface; 119 120 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ 121 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ 122 123 int vlan_id; 124 /* PSKs from RADIUS authentication server */ 125 struct hostapd_sta_wpa_psk_short *psk; 126 127 char *identity; /* User-Name from RADIUS */ 128 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 129 130 struct ieee80211_ht_capabilities *ht_capabilities; 131 struct ieee80211_vht_capabilities *vht_capabilities; 132 u8 vht_opmode; 133 134 #ifdef CONFIG_IEEE80211W 135 int sa_query_count; /* number of pending SA Query requests; 136 * 0 = no SA Query in progress */ 137 int sa_query_timed_out; 138 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 139 * sa_query_count octets of pending SA Query 140 * transaction identifiers */ 141 struct os_reltime sa_query_start; 142 #endif /* CONFIG_IEEE80211W */ 143 144 #ifdef CONFIG_INTERWORKING 145 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 146 struct gas_dialog_info *gas_dialog; 147 u8 gas_dialog_next; 148 #endif /* CONFIG_INTERWORKING */ 149 150 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 151 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 152 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 153 u8 remediation_method; 154 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 155 struct wpabuf *hs20_deauth_req; 156 char *hs20_session_info_url; 157 int hs20_disassoc_timer; 158 159 struct os_reltime connected_time; 160 161 #ifdef CONFIG_SAE 162 struct sae_data *sae; 163 #endif /* CONFIG_SAE */ 164 165 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 166 167 /* Last Authentication/(Re)Association Request/Action frame sequence 168 * control */ 169 u16 last_seq_ctrl; 170 /* Last Authentication/(Re)Association Request/Action frame subtype */ 171 u8 last_subtype; 172 }; 173 174 175 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 176 * passed since last received frame from the station, a nullfunc data frame is 177 * sent to the station. If this frame is not acknowledged and no other frames 178 * have been received, the station will be disassociated after 179 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 180 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 181 #define AP_MAX_INACTIVITY (5 * 60) 182 #define AP_DISASSOC_DELAY (1) 183 #define AP_DEAUTH_DELAY (1) 184 /* Number of seconds to keep STA entry with Authenticated flag after it has 185 * been disassociated. */ 186 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 187 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 188 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 189 190 191 struct hostapd_data; 192 193 int ap_for_each_sta(struct hostapd_data *hapd, 194 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 195 void *ctx), 196 void *ctx); 197 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 198 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 199 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 200 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 201 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 202 void hostapd_free_stas(struct hostapd_data *hapd); 203 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 204 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 205 u32 session_timeout); 206 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 207 u32 session_timeout); 208 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 209 struct sta_info *sta); 210 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 211 struct sta_info *sta, int warning_time); 212 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 213 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 214 u16 reason); 215 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 216 u16 reason); 217 #ifdef CONFIG_WPS 218 int ap_sta_wps_cancel(struct hostapd_data *hapd, 219 struct sta_info *sta, void *ctx); 220 #endif /* CONFIG_WPS */ 221 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 222 int old_vlanid); 223 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 224 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 225 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 226 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 227 const u8 *addr, u16 reason); 228 229 void ap_sta_set_authorized(struct hostapd_data *hapd, 230 struct sta_info *sta, int authorized); 231 static inline int ap_sta_is_authorized(struct sta_info *sta) 232 { 233 return sta->flags & WLAN_STA_AUTHORIZED; 234 } 235 236 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 237 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 238 239 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 240 241 #endif /* STA_INFO_H */ 242