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 #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 int vlan_id; /* 0: none, >0: VID */ 121 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 122 /* PSKs from RADIUS authentication server */ 123 struct hostapd_sta_wpa_psk_short *psk; 124 125 char *identity; /* User-Name from RADIUS */ 126 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 127 128 struct ieee80211_ht_capabilities *ht_capabilities; 129 struct ieee80211_vht_capabilities *vht_capabilities; 130 u8 vht_opmode; 131 132 #ifdef CONFIG_IEEE80211W 133 int sa_query_count; /* number of pending SA Query requests; 134 * 0 = no SA Query in progress */ 135 int sa_query_timed_out; 136 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 137 * sa_query_count octets of pending SA Query 138 * transaction identifiers */ 139 struct os_reltime sa_query_start; 140 #endif /* CONFIG_IEEE80211W */ 141 142 #ifdef CONFIG_INTERWORKING 143 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 144 struct gas_dialog_info *gas_dialog; 145 u8 gas_dialog_next; 146 #endif /* CONFIG_INTERWORKING */ 147 148 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 149 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 150 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 151 u8 remediation_method; 152 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 153 struct wpabuf *hs20_deauth_req; 154 char *hs20_session_info_url; 155 int hs20_disassoc_timer; 156 157 struct os_reltime connected_time; 158 159 #ifdef CONFIG_SAE 160 struct sae_data *sae; 161 #endif /* CONFIG_SAE */ 162 163 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 164 165 /* Last Authentication/(Re)Association Request/Action frame sequence 166 * control */ 167 u16 last_seq_ctrl; 168 /* Last Authentication/(Re)Association Request/Action frame subtype */ 169 u8 last_subtype; 170 }; 171 172 173 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 174 * passed since last received frame from the station, a nullfunc data frame is 175 * sent to the station. If this frame is not acknowledged and no other frames 176 * have been received, the station will be disassociated after 177 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 178 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 179 #define AP_MAX_INACTIVITY (5 * 60) 180 #define AP_DISASSOC_DELAY (1) 181 #define AP_DEAUTH_DELAY (1) 182 /* Number of seconds to keep STA entry with Authenticated flag after it has 183 * been disassociated. */ 184 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 185 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 186 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 187 188 189 struct hostapd_data; 190 191 int ap_for_each_sta(struct hostapd_data *hapd, 192 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 193 void *ctx), 194 void *ctx); 195 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 196 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 197 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 198 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 199 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 200 void hostapd_free_stas(struct hostapd_data *hapd); 201 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 202 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 203 u32 session_timeout); 204 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 205 u32 session_timeout); 206 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 207 struct sta_info *sta); 208 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 209 struct sta_info *sta, int warning_time); 210 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 211 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 212 u16 reason); 213 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 214 u16 reason); 215 #ifdef CONFIG_WPS 216 int ap_sta_wps_cancel(struct hostapd_data *hapd, 217 struct sta_info *sta, void *ctx); 218 #endif /* CONFIG_WPS */ 219 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 220 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 221 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 222 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 223 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 224 const u8 *addr, u16 reason); 225 226 void ap_sta_set_authorized(struct hostapd_data *hapd, 227 struct sta_info *sta, int authorized); 228 static inline int ap_sta_is_authorized(struct sta_info *sta) 229 { 230 return sta->flags & WLAN_STA_AUTHORIZED; 231 } 232 233 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 234 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 235 236 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 237 238 #endif /* STA_INFO_H */ 239
