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 #include "common/wpa_common.h" 16 #endif /* CONFIG_MESH */ 17 18 #include "list.h" 19 #include "vlan.h" 20 21 /* STA flags */ 22 #define WLAN_STA_AUTH BIT(0) 23 #define WLAN_STA_ASSOC BIT(1) 24 #define WLAN_STA_AUTHORIZED BIT(5) 25 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 26 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 27 #define WLAN_STA_PREAUTH BIT(8) 28 #define WLAN_STA_WMM BIT(9) 29 #define WLAN_STA_MFP BIT(10) 30 #define WLAN_STA_HT BIT(11) 31 #define WLAN_STA_WPS BIT(12) 32 #define WLAN_STA_MAYBE_WPS BIT(13) 33 #define WLAN_STA_WDS BIT(14) 34 #define WLAN_STA_ASSOC_REQ_OK BIT(15) 35 #define WLAN_STA_WPS2 BIT(16) 36 #define WLAN_STA_GAS BIT(17) 37 #define WLAN_STA_VHT BIT(18) 38 #define WLAN_STA_WNM_SLEEP_MODE BIT(19) 39 #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 40 #define WLAN_STA_VENDOR_VHT BIT(21) 41 #define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 42 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 43 #define WLAN_STA_NONERP BIT(31) 44 45 /* Maximum number of supported rates (from both Supported Rates and Extended 46 * Supported Rates IEs). */ 47 #define WLAN_SUPP_RATES_MAX 32 48 49 50 struct mbo_non_pref_chan_info { 51 struct mbo_non_pref_chan_info *next; 52 u8 op_class; 53 u8 pref; 54 u8 reason_code; 55 u8 num_channels; 56 u8 channels[]; 57 }; 58 59 struct pending_eapol_rx { 60 struct wpabuf *buf; 61 struct os_reltime rx_time; 62 }; 63 64 struct sta_info { 65 struct sta_info *next; /* next entry in sta list */ 66 struct sta_info *hnext; /* next entry in hash table list */ 67 u8 addr[6]; 68 be32 ipaddr; 69 struct dl_list ip6addr; /* list head for struct ip6addr */ 70 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 71 u32 flags; /* Bitfield of WLAN_STA_* */ 72 u16 capability; 73 u16 listen_interval; /* or beacon_int for APs */ 74 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 75 int supported_rates_len; 76 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 77 78 #ifdef CONFIG_MESH 79 enum mesh_plink_state plink_state; 80 u16 peer_lid; 81 u16 my_lid; 82 u16 peer_aid; 83 u16 mpm_close_reason; 84 int mpm_retries; 85 u8 my_nonce[WPA_NONCE_LEN]; 86 u8 peer_nonce[WPA_NONCE_LEN]; 87 u8 aek[32]; /* SHA256 digest length */ 88 u8 mtk[WPA_TK_MAX_LEN]; 89 size_t mtk_len; 90 u8 mgtk_rsc[6]; 91 u8 mgtk_key_id; 92 u8 mgtk[WPA_TK_MAX_LEN]; 93 size_t mgtk_len; 94 u8 igtk_rsc[6]; 95 u8 igtk[WPA_TK_MAX_LEN]; 96 size_t igtk_len; 97 u16 igtk_key_id; 98 u8 sae_auth_retry; 99 #endif /* CONFIG_MESH */ 100 101 unsigned int nonerp_set:1; 102 unsigned int no_short_slot_time_set:1; 103 unsigned int no_short_preamble_set:1; 104 unsigned int no_ht_gf_set:1; 105 unsigned int no_ht_set:1; 106 unsigned int ht40_intolerant_set:1; 107 unsigned int ht_20mhz_set:1; 108 unsigned int no_p2p_set:1; 109 unsigned int qos_map_enabled:1; 110 unsigned int remediation:1; 111 unsigned int hs20_deauth_requested:1; 112 unsigned int session_timeout_set:1; 113 unsigned int radius_das_match:1; 114 unsigned int ecsa_supported:1; 115 unsigned int added_unassoc:1; 116 117 u16 auth_alg; 118 119 enum { 120 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 121 STA_DISASSOC_FROM_CLI 122 } timeout_next; 123 124 u16 deauth_reason; 125 u16 disassoc_reason; 126 127 /* IEEE 802.1X related data */ 128 struct eapol_state_machine *eapol_sm; 129 130 struct pending_eapol_rx *pending_eapol_rx; 131 132 u64 acct_session_id; 133 struct os_reltime acct_session_start; 134 int acct_session_started; 135 int acct_terminate_cause; /* Acct-Terminate-Cause */ 136 int acct_interim_interval; /* Acct-Interim-Interval */ 137 unsigned int acct_interim_errors; 138 139 /* For extending 32-bit driver counters to 64-bit counters */ 140 u32 last_rx_bytes_hi; 141 u32 last_rx_bytes_lo; 142 u32 last_tx_bytes_hi; 143 u32 last_tx_bytes_lo; 144 145 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 146 147 struct wpa_state_machine *wpa_sm; 148 struct rsn_preauth_interface *preauth_iface; 149 150 int vlan_id; /* 0: none, >0: VID */ 151 struct vlan_description *vlan_desc; 152 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 153 /* PSKs from RADIUS authentication server */ 154 struct hostapd_sta_wpa_psk_short *psk; 155 156 char *identity; /* User-Name from RADIUS */ 157 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 158 159 struct ieee80211_ht_capabilities *ht_capabilities; 160 struct ieee80211_vht_capabilities *vht_capabilities; 161 u8 vht_opmode; 162 163 #ifdef CONFIG_IEEE80211W 164 int sa_query_count; /* number of pending SA Query requests; 165 * 0 = no SA Query in progress */ 166 int sa_query_timed_out; 167 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 168 * sa_query_count octets of pending SA Query 169 * transaction identifiers */ 170 struct os_reltime sa_query_start; 171 #endif /* CONFIG_IEEE80211W */ 172 173 #ifdef CONFIG_INTERWORKING 174 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 175 struct gas_dialog_info *gas_dialog; 176 u8 gas_dialog_next; 177 #endif /* CONFIG_INTERWORKING */ 178 179 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 180 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 181 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 182 u8 remediation_method; 183 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 184 struct wpabuf *hs20_deauth_req; 185 char *hs20_session_info_url; 186 int hs20_disassoc_timer; 187 #ifdef CONFIG_FST 188 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 189 #endif /* CONFIG_FST */ 190 191 struct os_reltime connected_time; 192 193 #ifdef CONFIG_SAE 194 struct sae_data *sae; 195 unsigned int mesh_sae_pmksa_caching:1; 196 #endif /* CONFIG_SAE */ 197 198 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 199 200 /* Last Authentication/(Re)Association Request/Action frame sequence 201 * control */ 202 u16 last_seq_ctrl; 203 /* Last Authentication/(Re)Association Request/Action frame subtype */ 204 u8 last_subtype; 205 206 #ifdef CONFIG_MBO 207 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 208 * enum mbo_cellular_capa values */ 209 struct mbo_non_pref_chan_info *non_pref_chan; 210 #endif /* CONFIG_MBO */ 211 212 u8 *supp_op_classes; /* Supported Operating Classes element, if 213 * received, starting from the Length field */ 214 215 u8 rrm_enabled_capa[5]; 216 217 #ifdef CONFIG_TAXONOMY 218 struct wpabuf *probe_ie_taxonomy; 219 struct wpabuf *assoc_ie_taxonomy; 220 #endif /* CONFIG_TAXONOMY */ 221 }; 222 223 224 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 225 * passed since last received frame from the station, a nullfunc data frame is 226 * sent to the station. If this frame is not acknowledged and no other frames 227 * have been received, the station will be disassociated after 228 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 229 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 230 #define AP_MAX_INACTIVITY (5 * 60) 231 #define AP_DISASSOC_DELAY (3) 232 #define AP_DEAUTH_DELAY (1) 233 /* Number of seconds to keep STA entry with Authenticated flag after it has 234 * been disassociated. */ 235 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 236 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 237 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 238 239 240 struct hostapd_data; 241 242 int ap_for_each_sta(struct hostapd_data *hapd, 243 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 244 void *ctx), 245 void *ctx); 246 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 247 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 248 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 249 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 250 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 251 void hostapd_free_stas(struct hostapd_data *hapd); 252 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 253 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 254 u32 session_timeout); 255 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 256 u32 session_timeout); 257 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 258 struct sta_info *sta); 259 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 260 struct sta_info *sta, int warning_time); 261 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 262 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 263 u16 reason); 264 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 265 u16 reason); 266 #ifdef CONFIG_WPS 267 int ap_sta_wps_cancel(struct hostapd_data *hapd, 268 struct sta_info *sta, void *ctx); 269 #endif /* CONFIG_WPS */ 270 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 271 int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 272 struct vlan_description *vlan_desc); 273 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 274 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 275 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 276 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 277 const u8 *addr, u16 reason); 278 279 void ap_sta_set_authorized(struct hostapd_data *hapd, 280 struct sta_info *sta, int authorized); 281 static inline int ap_sta_is_authorized(struct sta_info *sta) 282 { 283 return sta->flags & WLAN_STA_AUTHORIZED; 284 } 285 286 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 287 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 288 void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 289 struct sta_info *sta); 290 291 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 292 293 #endif /* STA_INFO_H */ 294