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_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 struct hostapd_data; 48 49 struct mbo_non_pref_chan_info { 50 struct mbo_non_pref_chan_info *next; 51 u8 op_class; 52 u8 pref; 53 u8 reason_code; 54 u8 num_channels; 55 u8 channels[]; 56 }; 57 58 struct pending_eapol_rx { 59 struct wpabuf *buf; 60 struct os_reltime rx_time; 61 }; 62 63 struct sta_info { 64 struct sta_info *next; /* next entry in sta list */ 65 struct sta_info *hnext; /* next entry in hash table list */ 66 u8 addr[6]; 67 be32 ipaddr; 68 struct dl_list ip6addr; /* list head for struct ip6addr */ 69 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 70 u16 disconnect_reason_code; /* RADIUS server override */ 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 unsigned int pending_wds_enable:1; 117 unsigned int power_capab:1; 118 unsigned int agreed_to_steer:1; 119 unsigned int hs20_t_c_filtering:1; 120 121 u16 auth_alg; 122 123 enum { 124 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 125 STA_DISASSOC_FROM_CLI 126 } timeout_next; 127 128 u16 deauth_reason; 129 u16 disassoc_reason; 130 131 /* IEEE 802.1X related data */ 132 struct eapol_state_machine *eapol_sm; 133 134 struct pending_eapol_rx *pending_eapol_rx; 135 136 u64 acct_session_id; 137 struct os_reltime acct_session_start; 138 int acct_session_started; 139 int acct_terminate_cause; /* Acct-Terminate-Cause */ 140 int acct_interim_interval; /* Acct-Interim-Interval */ 141 unsigned int acct_interim_errors; 142 143 /* For extending 32-bit driver counters to 64-bit counters */ 144 u32 last_rx_bytes_hi; 145 u32 last_rx_bytes_lo; 146 u32 last_tx_bytes_hi; 147 u32 last_tx_bytes_lo; 148 149 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 150 151 struct wpa_state_machine *wpa_sm; 152 struct rsn_preauth_interface *preauth_iface; 153 154 int vlan_id; /* 0: none, >0: VID */ 155 struct vlan_description *vlan_desc; 156 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 157 /* PSKs from RADIUS authentication server */ 158 struct hostapd_sta_wpa_psk_short *psk; 159 160 char *identity; /* User-Name from RADIUS */ 161 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 162 163 struct ieee80211_ht_capabilities *ht_capabilities; 164 struct ieee80211_vht_capabilities *vht_capabilities; 165 u8 vht_opmode; 166 167 #ifdef CONFIG_IEEE80211W 168 int sa_query_count; /* number of pending SA Query requests; 169 * 0 = no SA Query in progress */ 170 int sa_query_timed_out; 171 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 172 * sa_query_count octets of pending SA Query 173 * transaction identifiers */ 174 struct os_reltime sa_query_start; 175 #endif /* CONFIG_IEEE80211W */ 176 177 #if defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP) 178 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 179 struct gas_dialog_info *gas_dialog; 180 u8 gas_dialog_next; 181 #endif /* CONFIG_INTERWORKING || CONFIG_DPP */ 182 183 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 184 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 185 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 186 /* Hotspot 2.0 Roaming Consortium from (Re)Association Request */ 187 struct wpabuf *roaming_consortium; 188 u8 remediation_method; 189 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 190 char *t_c_url; /* HS 2.0 Terms and Conditions Server URL */ 191 struct wpabuf *hs20_deauth_req; 192 char *hs20_session_info_url; 193 int hs20_disassoc_timer; 194 #ifdef CONFIG_FST 195 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 196 #endif /* CONFIG_FST */ 197 198 struct os_reltime connected_time; 199 200 #ifdef CONFIG_SAE 201 struct sae_data *sae; 202 unsigned int mesh_sae_pmksa_caching:1; 203 #endif /* CONFIG_SAE */ 204 205 /* valid only if session_timeout_set == 1 */ 206 struct os_reltime session_timeout; 207 208 /* Last Authentication/(Re)Association Request/Action frame sequence 209 * control */ 210 u16 last_seq_ctrl; 211 /* Last Authentication/(Re)Association Request/Action frame subtype */ 212 u8 last_subtype; 213 214 #ifdef CONFIG_MBO 215 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 216 * enum mbo_cellular_capa values */ 217 struct mbo_non_pref_chan_info *non_pref_chan; 218 #endif /* CONFIG_MBO */ 219 220 u8 *supp_op_classes; /* Supported Operating Classes element, if 221 * received, starting from the Length field */ 222 223 u8 rrm_enabled_capa[5]; 224 225 s8 min_tx_power; 226 s8 max_tx_power; 227 228 #ifdef CONFIG_TAXONOMY 229 struct wpabuf *probe_ie_taxonomy; 230 struct wpabuf *assoc_ie_taxonomy; 231 #endif /* CONFIG_TAXONOMY */ 232 233 #ifdef CONFIG_FILS 234 u8 fils_snonce[FILS_NONCE_LEN]; 235 u8 fils_session[FILS_SESSION_LEN]; 236 u8 fils_erp_pmkid[PMKID_LEN]; 237 u8 *fils_pending_assoc_req; 238 size_t fils_pending_assoc_req_len; 239 unsigned int fils_pending_assoc_is_reassoc:1; 240 unsigned int fils_dhcp_rapid_commit_proxy:1; 241 unsigned int fils_erp_pmkid_set:1; 242 unsigned int fils_drv_assoc_finish:1; 243 struct wpabuf *fils_hlp_resp; 244 struct wpabuf *hlp_dhcp_discover; 245 void (*fils_pending_cb)(struct hostapd_data *hapd, struct sta_info *sta, 246 u16 resp, struct wpabuf *data, int pub); 247 #ifdef CONFIG_FILS_SK_PFS 248 struct crypto_ecdh *fils_ecdh; 249 #endif /* CONFIG_FILS_SK_PFS */ 250 struct wpabuf *fils_dh_ss; 251 struct wpabuf *fils_g_sta; 252 #endif /* CONFIG_FILS */ 253 254 #ifdef CONFIG_OWE 255 u8 *owe_pmk; 256 size_t owe_pmk_len; 257 struct crypto_ecdh *owe_ecdh; 258 u16 owe_group; 259 #endif /* CONFIG_OWE */ 260 261 u8 *ext_capability; 262 char *ifname_wds; /* WDS ifname, if in use */ 263 264 #ifdef CONFIG_TESTING_OPTIONS 265 enum wpa_alg last_tk_alg; 266 int last_tk_key_idx; 267 u8 last_tk[WPA_TK_MAX_LEN]; 268 size_t last_tk_len; 269 #endif /* CONFIG_TESTING_OPTIONS */ 270 }; 271 272 273 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 274 * passed since last received frame from the station, a nullfunc data frame is 275 * sent to the station. If this frame is not acknowledged and no other frames 276 * have been received, the station will be disassociated after 277 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 278 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 279 #define AP_MAX_INACTIVITY (5 * 60) 280 #define AP_DISASSOC_DELAY (3) 281 #define AP_DEAUTH_DELAY (1) 282 /* Number of seconds to keep STA entry with Authenticated flag after it has 283 * been disassociated. */ 284 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 285 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 286 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 287 288 289 int ap_for_each_sta(struct hostapd_data *hapd, 290 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 291 void *ctx), 292 void *ctx); 293 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 294 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 295 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 296 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 297 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 298 void hostapd_free_stas(struct hostapd_data *hapd); 299 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 300 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 301 u32 session_timeout); 302 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 303 u32 session_timeout); 304 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 305 struct sta_info *sta); 306 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 307 struct sta_info *sta, int warning_time); 308 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 309 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 310 u16 reason); 311 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 312 u16 reason); 313 #ifdef CONFIG_WPS 314 int ap_sta_wps_cancel(struct hostapd_data *hapd, 315 struct sta_info *sta, void *ctx); 316 #endif /* CONFIG_WPS */ 317 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 318 int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 319 struct vlan_description *vlan_desc); 320 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 321 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 322 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 323 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 324 const u8 *addr, u16 reason); 325 326 void ap_sta_set_authorized(struct hostapd_data *hapd, 327 struct sta_info *sta, int authorized); 328 static inline int ap_sta_is_authorized(struct sta_info *sta) 329 { 330 return sta->flags & WLAN_STA_AUTHORIZED; 331 } 332 333 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 334 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 335 void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 336 struct sta_info *sta); 337 338 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 339 void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 340 struct sta_info *sta); 341 int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 342 struct sta_info *sta); 343 344 #endif /* STA_INFO_H */ 345