sta_info.h revision 351611
1/* 2 * hostapd / Station table 3 * Copyright (c) 2002-2017, 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#include "common/defs.h" 13#include "list.h" 14#include "vlan.h" 15#include "common/wpa_common.h" 16#include "common/ieee802_11_defs.h" 17 18/* STA flags */ 19#define WLAN_STA_AUTH BIT(0) 20#define WLAN_STA_ASSOC BIT(1) 21#define WLAN_STA_AUTHORIZED BIT(5) 22#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 23#define WLAN_STA_SHORT_PREAMBLE BIT(7) 24#define WLAN_STA_PREAUTH BIT(8) 25#define WLAN_STA_WMM BIT(9) 26#define WLAN_STA_MFP BIT(10) 27#define WLAN_STA_HT BIT(11) 28#define WLAN_STA_WPS BIT(12) 29#define WLAN_STA_MAYBE_WPS BIT(13) 30#define WLAN_STA_WDS BIT(14) 31#define WLAN_STA_ASSOC_REQ_OK BIT(15) 32#define WLAN_STA_WPS2 BIT(16) 33#define WLAN_STA_GAS BIT(17) 34#define WLAN_STA_VHT BIT(18) 35#define WLAN_STA_WNM_SLEEP_MODE BIT(19) 36#define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 37#define WLAN_STA_VENDOR_VHT BIT(21) 38#define WLAN_STA_PENDING_FILS_ERP BIT(22) 39#define WLAN_STA_MULTI_AP BIT(23) 40#define WLAN_STA_HE BIT(24) 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 49struct hostapd_data; 50 51struct mbo_non_pref_chan_info { 52 struct mbo_non_pref_chan_info *next; 53 u8 op_class; 54 u8 pref; 55 u8 reason_code; 56 u8 num_channels; 57 u8 channels[]; 58}; 59 60struct pending_eapol_rx { 61 struct wpabuf *buf; 62 struct os_reltime rx_time; 63}; 64 65struct sta_info { 66 struct sta_info *next; /* next entry in sta list */ 67 struct sta_info *hnext; /* next entry in hash table list */ 68 u8 addr[6]; 69 be32 ipaddr; 70 struct dl_list ip6addr; /* list head for struct ip6addr */ 71 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 72 u16 disconnect_reason_code; /* RADIUS server override */ 73 u32 flags; /* Bitfield of WLAN_STA_* */ 74 u16 capability; 75 u16 listen_interval; /* or beacon_int for APs */ 76 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 77 int supported_rates_len; 78 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 79 80#ifdef CONFIG_MESH 81 enum mesh_plink_state plink_state; 82 u16 peer_lid; 83 u16 my_lid; 84 u16 peer_aid; 85 u16 mpm_close_reason; 86 int mpm_retries; 87 u8 my_nonce[WPA_NONCE_LEN]; 88 u8 peer_nonce[WPA_NONCE_LEN]; 89 u8 aek[32]; /* SHA256 digest length */ 90 u8 mtk[WPA_TK_MAX_LEN]; 91 size_t mtk_len; 92 u8 mgtk_rsc[6]; 93 u8 mgtk_key_id; 94 u8 mgtk[WPA_TK_MAX_LEN]; 95 size_t mgtk_len; 96 u8 igtk_rsc[6]; 97 u8 igtk[WPA_TK_MAX_LEN]; 98 size_t igtk_len; 99 u16 igtk_key_id; 100 u8 sae_auth_retry; 101#endif /* CONFIG_MESH */ 102 103 unsigned int nonerp_set:1; 104 unsigned int no_short_slot_time_set:1; 105 unsigned int no_short_preamble_set:1; 106 unsigned int no_ht_gf_set:1; 107 unsigned int no_ht_set:1; 108 unsigned int ht40_intolerant_set:1; 109 unsigned int ht_20mhz_set:1; 110 unsigned int no_p2p_set:1; 111 unsigned int qos_map_enabled:1; 112 unsigned int remediation:1; 113 unsigned int hs20_deauth_requested:1; 114 unsigned int session_timeout_set:1; 115 unsigned int radius_das_match:1; 116 unsigned int ecsa_supported:1; 117 unsigned int added_unassoc:1; 118 unsigned int pending_wds_enable:1; 119 unsigned int power_capab:1; 120 unsigned int agreed_to_steer:1; 121 unsigned int hs20_t_c_filtering:1; 122 unsigned int ft_over_ds:1; 123 unsigned int external_dh_updated:1; 124 125 u16 auth_alg; 126 127 enum { 128 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 129 STA_DISASSOC_FROM_CLI 130 } timeout_next; 131 132 u16 deauth_reason; 133 u16 disassoc_reason; 134 135 /* IEEE 802.1X related data */ 136 struct eapol_state_machine *eapol_sm; 137 138 struct pending_eapol_rx *pending_eapol_rx; 139 140 u64 acct_session_id; 141 struct os_reltime acct_session_start; 142 int acct_session_started; 143 int acct_terminate_cause; /* Acct-Terminate-Cause */ 144 int acct_interim_interval; /* Acct-Interim-Interval */ 145 unsigned int acct_interim_errors; 146 147 /* For extending 32-bit driver counters to 64-bit counters */ 148 u32 last_rx_bytes_hi; 149 u32 last_rx_bytes_lo; 150 u32 last_tx_bytes_hi; 151 u32 last_tx_bytes_lo; 152 153 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 154 155 struct wpa_state_machine *wpa_sm; 156 struct rsn_preauth_interface *preauth_iface; 157 158 int vlan_id; /* 0: none, >0: VID */ 159 struct vlan_description *vlan_desc; 160 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 161 /* PSKs from RADIUS authentication server */ 162 struct hostapd_sta_wpa_psk_short *psk; 163 164 char *identity; /* User-Name from RADIUS */ 165 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 166 167 struct ieee80211_ht_capabilities *ht_capabilities; 168 struct ieee80211_vht_capabilities *vht_capabilities; 169 struct ieee80211_vht_operation *vht_operation; 170 u8 vht_opmode; 171 struct ieee80211_he_capabilities *he_capab; 172 size_t he_capab_len; 173 174#ifdef CONFIG_IEEE80211W 175 int sa_query_count; /* number of pending SA Query requests; 176 * 0 = no SA Query in progress */ 177 int sa_query_timed_out; 178 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 179 * sa_query_count octets of pending SA Query 180 * transaction identifiers */ 181 struct os_reltime sa_query_start; 182#endif /* CONFIG_IEEE80211W */ 183 184#if defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP) 185#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 186 struct gas_dialog_info *gas_dialog; 187 u8 gas_dialog_next; 188#endif /* CONFIG_INTERWORKING || CONFIG_DPP */ 189 190 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 191 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 192 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 193 /* Hotspot 2.0 Roaming Consortium from (Re)Association Request */ 194 struct wpabuf *roaming_consortium; 195 u8 remediation_method; 196 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 197 char *t_c_url; /* HS 2.0 Terms and Conditions Server URL */ 198 struct wpabuf *hs20_deauth_req; 199 char *hs20_session_info_url; 200 int hs20_disassoc_timer; 201#ifdef CONFIG_FST 202 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 203#endif /* CONFIG_FST */ 204 205 struct os_reltime connected_time; 206 207#ifdef CONFIG_SAE 208 struct sae_data *sae; 209 unsigned int mesh_sae_pmksa_caching:1; 210#endif /* CONFIG_SAE */ 211 212 /* valid only if session_timeout_set == 1 */ 213 struct os_reltime session_timeout; 214 215 /* Last Authentication/(Re)Association Request/Action frame sequence 216 * control */ 217 u16 last_seq_ctrl; 218 /* Last Authentication/(Re)Association Request/Action frame subtype */ 219 u8 last_subtype; 220 221#ifdef CONFIG_MBO 222 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 223 * enum mbo_cellular_capa values */ 224 struct mbo_non_pref_chan_info *non_pref_chan; 225 int auth_rssi; /* Last Authentication frame RSSI */ 226#endif /* CONFIG_MBO */ 227 228 u8 *supp_op_classes; /* Supported Operating Classes element, if 229 * received, starting from the Length field */ 230 231 u8 rrm_enabled_capa[5]; 232 233 s8 min_tx_power; 234 s8 max_tx_power; 235 236#ifdef CONFIG_TAXONOMY 237 struct wpabuf *probe_ie_taxonomy; 238 struct wpabuf *assoc_ie_taxonomy; 239#endif /* CONFIG_TAXONOMY */ 240 241#ifdef CONFIG_FILS 242 u8 fils_snonce[FILS_NONCE_LEN]; 243 u8 fils_session[FILS_SESSION_LEN]; 244 u8 fils_erp_pmkid[PMKID_LEN]; 245 u8 *fils_pending_assoc_req; 246 size_t fils_pending_assoc_req_len; 247 unsigned int fils_pending_assoc_is_reassoc:1; 248 unsigned int fils_dhcp_rapid_commit_proxy:1; 249 unsigned int fils_erp_pmkid_set:1; 250 unsigned int fils_drv_assoc_finish:1; 251 struct wpabuf *fils_hlp_resp; 252 struct wpabuf *hlp_dhcp_discover; 253 void (*fils_pending_cb)(struct hostapd_data *hapd, struct sta_info *sta, 254 u16 resp, struct wpabuf *data, int pub); 255#ifdef CONFIG_FILS_SK_PFS 256 struct crypto_ecdh *fils_ecdh; 257#endif /* CONFIG_FILS_SK_PFS */ 258 struct wpabuf *fils_dh_ss; 259 struct wpabuf *fils_g_sta; 260#endif /* CONFIG_FILS */ 261 262#ifdef CONFIG_OWE 263 u8 *owe_pmk; 264 size_t owe_pmk_len; 265 struct crypto_ecdh *owe_ecdh; 266 u16 owe_group; 267#endif /* CONFIG_OWE */ 268 269 u8 *ext_capability; 270 char *ifname_wds; /* WDS ifname, if in use */ 271 272#ifdef CONFIG_DPP2 273 struct dpp_pfs *dpp_pfs; 274#endif /* CONFIG_DPP2 */ 275 276#ifdef CONFIG_TESTING_OPTIONS 277 enum wpa_alg last_tk_alg; 278 int last_tk_key_idx; 279 u8 last_tk[WPA_TK_MAX_LEN]; 280 size_t last_tk_len; 281#endif /* CONFIG_TESTING_OPTIONS */ 282#ifdef CONFIG_AIRTIME_POLICY 283 unsigned int airtime_weight; 284 struct os_reltime backlogged_until; 285#endif /* CONFIG_AIRTIME_POLICY */ 286}; 287 288 289/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 290 * passed since last received frame from the station, a nullfunc data frame is 291 * sent to the station. If this frame is not acknowledged and no other frames 292 * have been received, the station will be disassociated after 293 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 294 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 295#define AP_MAX_INACTIVITY (5 * 60) 296#define AP_DISASSOC_DELAY (3) 297#define AP_DEAUTH_DELAY (1) 298/* Number of seconds to keep STA entry with Authenticated flag after it has 299 * been disassociated. */ 300#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 301/* Number of seconds to keep STA entry after it has been deauthenticated. */ 302#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 303 304 305int ap_for_each_sta(struct hostapd_data *hapd, 306 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 307 void *ctx), 308 void *ctx); 309struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 310struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 311void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 312void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 313void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 314void hostapd_free_stas(struct hostapd_data *hapd); 315void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 316void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 317 u32 session_timeout); 318void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 319 u32 session_timeout); 320void ap_sta_no_session_timeout(struct hostapd_data *hapd, 321 struct sta_info *sta); 322void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 323 struct sta_info *sta, int warning_time); 324struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 325void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 326 u16 reason); 327void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 328 u16 reason); 329#ifdef CONFIG_WPS 330int ap_sta_wps_cancel(struct hostapd_data *hapd, 331 struct sta_info *sta, void *ctx); 332#endif /* CONFIG_WPS */ 333int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 334int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 335 struct vlan_description *vlan_desc); 336void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 337void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 338int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 339const char * ap_sta_wpa_get_keyid(struct hostapd_data *hapd, 340 struct sta_info *sta); 341void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 342 const u8 *addr, u16 reason); 343 344void ap_sta_set_authorized(struct hostapd_data *hapd, 345 struct sta_info *sta, int authorized); 346static inline int ap_sta_is_authorized(struct sta_info *sta) 347{ 348 return sta->flags & WLAN_STA_AUTHORIZED; 349} 350 351void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 352void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 353void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 354 struct sta_info *sta); 355 356int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 357void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 358 struct sta_info *sta); 359int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 360 struct sta_info *sta); 361 362#endif /* STA_INFO_H */ 363