1 /* 2 * hostapd / Station table 3 * Copyright (c) 2002-2017, 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 #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_PENDING_DISASSOC_CB BIT(29) 41 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 42 #define WLAN_STA_NONERP BIT(31) 43 44 /* Maximum number of supported rates (from both Supported Rates and Extended 45 * Supported Rates IEs). */ 46 #define WLAN_SUPP_RATES_MAX 32 47 48 struct hostapd_data; 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 u16 disconnect_reason_code; /* RADIUS server override */ 72 u32 flags; /* Bitfield of WLAN_STA_* */ 73 u16 capability; 74 u16 listen_interval; /* or beacon_int for APs */ 75 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 76 int supported_rates_len; 77 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 78 79 #ifdef CONFIG_MESH 80 enum mesh_plink_state plink_state; 81 u16 peer_lid; 82 u16 my_lid; 83 u16 peer_aid; 84 u16 mpm_close_reason; 85 int mpm_retries; 86 u8 my_nonce[WPA_NONCE_LEN]; 87 u8 peer_nonce[WPA_NONCE_LEN]; 88 u8 aek[32]; /* SHA256 digest length */ 89 u8 mtk[WPA_TK_MAX_LEN]; 90 size_t mtk_len; 91 u8 mgtk_rsc[6]; 92 u8 mgtk_key_id; 93 u8 mgtk[WPA_TK_MAX_LEN]; 94 size_t mgtk_len; 95 u8 igtk_rsc[6]; 96 u8 igtk[WPA_TK_MAX_LEN]; 97 size_t igtk_len; 98 u16 igtk_key_id; 99 u8 sae_auth_retry; 100 #endif /* CONFIG_MESH */ 101 102 unsigned int nonerp_set:1; 103 unsigned int no_short_slot_time_set:1; 104 unsigned int no_short_preamble_set:1; 105 unsigned int no_ht_gf_set:1; 106 unsigned int no_ht_set:1; 107 unsigned int ht40_intolerant_set:1; 108 unsigned int ht_20mhz_set:1; 109 unsigned int no_p2p_set:1; 110 unsigned int qos_map_enabled:1; 111 unsigned int remediation:1; 112 unsigned int hs20_deauth_requested:1; 113 unsigned int session_timeout_set:1; 114 unsigned int radius_das_match:1; 115 unsigned int ecsa_supported:1; 116 unsigned int added_unassoc:1; 117 unsigned int pending_wds_enable:1; 118 unsigned int power_capab:1; 119 unsigned int agreed_to_steer:1; 120 unsigned int hs20_t_c_filtering:1; 121 unsigned int ft_over_ds:1; 122 123 u16 auth_alg; 124 125 enum { 126 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 127 STA_DISASSOC_FROM_CLI 128 } timeout_next; 129 130 u16 deauth_reason; 131 u16 disassoc_reason; 132 133 /* IEEE 802.1X related data */ 134 struct eapol_state_machine *eapol_sm; 135 136 struct pending_eapol_rx *pending_eapol_rx; 137 138 u64 acct_session_id; 139 struct os_reltime acct_session_start; 140 int acct_session_started; 141 int acct_terminate_cause; /* Acct-Terminate-Cause */ 142 int acct_interim_interval; /* Acct-Interim-Interval */ 143 unsigned int acct_interim_errors; 144 145 /* For extending 32-bit driver counters to 64-bit counters */ 146 u32 last_rx_bytes_hi; 147 u32 last_rx_bytes_lo; 148 u32 last_tx_bytes_hi; 149 u32 last_tx_bytes_lo; 150 151 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 152 153 struct wpa_state_machine *wpa_sm; 154 struct rsn_preauth_interface *preauth_iface; 155 156 int vlan_id; /* 0: none, >0: VID */ 157 struct vlan_description *vlan_desc; 158 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 159 /* PSKs from RADIUS authentication server */ 160 struct hostapd_sta_wpa_psk_short *psk; 161 162 char *identity; /* User-Name from RADIUS */ 163 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 164 165 struct ieee80211_ht_capabilities *ht_capabilities; 166 struct ieee80211_vht_capabilities *vht_capabilities; 167 struct ieee80211_vht_operation *vht_operation; 168 u8 vht_opmode; 169 170 #ifdef CONFIG_IEEE80211W 171 int sa_query_count; /* number of pending SA Query requests; 172 * 0 = no SA Query in progress */ 173 int sa_query_timed_out; 174 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 175 * sa_query_count octets of pending SA Query 176 * transaction identifiers */ 177 struct os_reltime sa_query_start; 178 #endif /* CONFIG_IEEE80211W */ 179 180 #if defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP) 181 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 182 struct gas_dialog_info *gas_dialog; 183 u8 gas_dialog_next; 184 #endif /* CONFIG_INTERWORKING || CONFIG_DPP */ 185 186 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 187 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 188 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 189 /* Hotspot 2.0 Roaming Consortium from (Re)Association Request */ 190 struct wpabuf *roaming_consortium; 191 u8 remediation_method; 192 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 193 char *t_c_url; /* HS 2.0 Terms and Conditions Server URL */ 194 struct wpabuf *hs20_deauth_req; 195 char *hs20_session_info_url; 196 int hs20_disassoc_timer; 197 #ifdef CONFIG_FST 198 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 199 #endif /* CONFIG_FST */ 200 201 struct os_reltime connected_time; 202 203 #ifdef CONFIG_SAE 204 struct sae_data *sae; 205 unsigned int mesh_sae_pmksa_caching:1; 206 #endif /* CONFIG_SAE */ 207 208 /* valid only if session_timeout_set == 1 */ 209 struct os_reltime session_timeout; 210 211 /* Last Authentication/(Re)Association Request/Action frame sequence 212 * control */ 213 u16 last_seq_ctrl; 214 /* Last Authentication/(Re)Association Request/Action frame subtype */ 215 u8 last_subtype; 216 217 #ifdef CONFIG_MBO 218 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 219 * enum mbo_cellular_capa values */ 220 struct mbo_non_pref_chan_info *non_pref_chan; 221 int auth_rssi; /* Last Authentication frame RSSI */ 222 #endif /* CONFIG_MBO */ 223 224 u8 *supp_op_classes; /* Supported Operating Classes element, if 225 * received, starting from the Length field */ 226 227 u8 rrm_enabled_capa[5]; 228 229 s8 min_tx_power; 230 s8 max_tx_power; 231 232 #ifdef CONFIG_TAXONOMY 233 struct wpabuf *probe_ie_taxonomy; 234 struct wpabuf *assoc_ie_taxonomy; 235 #endif /* CONFIG_TAXONOMY */ 236 237 #ifdef CONFIG_FILS 238 u8 fils_snonce[FILS_NONCE_LEN]; 239 u8 fils_session[FILS_SESSION_LEN]; 240 u8 fils_erp_pmkid[PMKID_LEN]; 241 u8 *fils_pending_assoc_req; 242 size_t fils_pending_assoc_req_len; 243 unsigned int fils_pending_assoc_is_reassoc:1; 244 unsigned int fils_dhcp_rapid_commit_proxy:1; 245 unsigned int fils_erp_pmkid_set:1; 246 unsigned int fils_drv_assoc_finish:1; 247 struct wpabuf *fils_hlp_resp; 248 struct wpabuf *hlp_dhcp_discover; 249 void (*fils_pending_cb)(struct hostapd_data *hapd, struct sta_info *sta, 250 u16 resp, struct wpabuf *data, int pub); 251 #ifdef CONFIG_FILS_SK_PFS 252 struct crypto_ecdh *fils_ecdh; 253 #endif /* CONFIG_FILS_SK_PFS */ 254 struct wpabuf *fils_dh_ss; 255 struct wpabuf *fils_g_sta; 256 #endif /* CONFIG_FILS */ 257 258 #ifdef CONFIG_OWE 259 u8 *owe_pmk; 260 size_t owe_pmk_len; 261 struct crypto_ecdh *owe_ecdh; 262 u16 owe_group; 263 #endif /* CONFIG_OWE */ 264 265 u8 *ext_capability; 266 char *ifname_wds; /* WDS ifname, if in use */ 267 268 #ifdef CONFIG_DPP2 269 struct dpp_pfs *dpp_pfs; 270 #endif /* CONFIG_DPP2 */ 271 272 #ifdef CONFIG_TESTING_OPTIONS 273 enum wpa_alg last_tk_alg; 274 int last_tk_key_idx; 275 u8 last_tk[WPA_TK_MAX_LEN]; 276 size_t last_tk_len; 277 #endif /* CONFIG_TESTING_OPTIONS */ 278 }; 279 280 281 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 282 * passed since last received frame from the station, a nullfunc data frame is 283 * sent to the station. If this frame is not acknowledged and no other frames 284 * have been received, the station will be disassociated after 285 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 286 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 287 #define AP_MAX_INACTIVITY (5 * 60) 288 #define AP_DISASSOC_DELAY (3) 289 #define AP_DEAUTH_DELAY (1) 290 /* Number of seconds to keep STA entry with Authenticated flag after it has 291 * been disassociated. */ 292 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 293 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 294 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 295 296 297 int ap_for_each_sta(struct hostapd_data *hapd, 298 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 299 void *ctx), 300 void *ctx); 301 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 302 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 303 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 304 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 305 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 306 void hostapd_free_stas(struct hostapd_data *hapd); 307 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 308 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 309 u32 session_timeout); 310 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 311 u32 session_timeout); 312 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 313 struct sta_info *sta); 314 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 315 struct sta_info *sta, int warning_time); 316 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 317 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 318 u16 reason); 319 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 320 u16 reason); 321 #ifdef CONFIG_WPS 322 int ap_sta_wps_cancel(struct hostapd_data *hapd, 323 struct sta_info *sta, void *ctx); 324 #endif /* CONFIG_WPS */ 325 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 326 int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 327 struct vlan_description *vlan_desc); 328 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 329 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 330 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 331 const char * ap_sta_wpa_get_keyid(struct hostapd_data *hapd, 332 struct sta_info *sta); 333 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 334 const u8 *addr, u16 reason); 335 336 void ap_sta_set_authorized(struct hostapd_data *hapd, 337 struct sta_info *sta, int authorized); 338 static inline int ap_sta_is_authorized(struct sta_info *sta) 339 { 340 return sta->flags & WLAN_STA_AUTHORIZED; 341 } 342 343 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 344 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 345 void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 346 struct sta_info *sta); 347 348 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 349 void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 350 struct sta_info *sta); 351 int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 352 struct sta_info *sta); 353 354 #endif /* STA_INFO_H */ 355
