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 #include "common/ieee802_11_defs.h" 21 22 /* STA flags */ 23 #define WLAN_STA_AUTH BIT(0) 24 #define WLAN_STA_ASSOC BIT(1) 25 #define WLAN_STA_AUTHORIZED BIT(5) 26 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 27 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 28 #define WLAN_STA_PREAUTH BIT(8) 29 #define WLAN_STA_WMM BIT(9) 30 #define WLAN_STA_MFP BIT(10) 31 #define WLAN_STA_HT BIT(11) 32 #define WLAN_STA_WPS BIT(12) 33 #define WLAN_STA_MAYBE_WPS BIT(13) 34 #define WLAN_STA_WDS BIT(14) 35 #define WLAN_STA_ASSOC_REQ_OK BIT(15) 36 #define WLAN_STA_WPS2 BIT(16) 37 #define WLAN_STA_GAS BIT(17) 38 #define WLAN_STA_VHT BIT(18) 39 #define WLAN_STA_WNM_SLEEP_MODE BIT(19) 40 #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 41 #define WLAN_STA_VENDOR_VHT BIT(21) 42 #define WLAN_STA_PENDING_FILS_ERP BIT(22) 43 #define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 44 #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 45 #define WLAN_STA_NONERP BIT(31) 46 47 /* Maximum number of supported rates (from both Supported Rates and Extended 48 * Supported Rates IEs). */ 49 #define WLAN_SUPP_RATES_MAX 32 50 51 52 struct mbo_non_pref_chan_info { 53 struct mbo_non_pref_chan_info *next; 54 u8 op_class; 55 u8 pref; 56 u8 reason_code; 57 u8 num_channels; 58 u8 channels[]; 59 }; 60 61 struct pending_eapol_rx { 62 struct wpabuf *buf; 63 struct os_reltime rx_time; 64 }; 65 66 struct sta_info { 67 struct sta_info *next; /* next entry in sta list */ 68 struct sta_info *hnext; /* next entry in hash table list */ 69 u8 addr[6]; 70 be32 ipaddr; 71 struct dl_list ip6addr; /* list head for struct ip6addr */ 72 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 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; 119 120 u16 auth_alg; 121 122 enum { 123 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 124 STA_DISASSOC_FROM_CLI 125 } timeout_next; 126 127 u16 deauth_reason; 128 u16 disassoc_reason; 129 130 /* IEEE 802.1X related data */ 131 struct eapol_state_machine *eapol_sm; 132 133 struct pending_eapol_rx *pending_eapol_rx; 134 135 u64 acct_session_id; 136 struct os_reltime acct_session_start; 137 int acct_session_started; 138 int acct_terminate_cause; /* Acct-Terminate-Cause */ 139 int acct_interim_interval; /* Acct-Interim-Interval */ 140 unsigned int acct_interim_errors; 141 142 /* For extending 32-bit driver counters to 64-bit counters */ 143 u32 last_rx_bytes_hi; 144 u32 last_rx_bytes_lo; 145 u32 last_tx_bytes_hi; 146 u32 last_tx_bytes_lo; 147 148 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 149 150 struct wpa_state_machine *wpa_sm; 151 struct rsn_preauth_interface *preauth_iface; 152 153 int vlan_id; /* 0: none, >0: VID */ 154 struct vlan_description *vlan_desc; 155 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 156 /* PSKs from RADIUS authentication server */ 157 struct hostapd_sta_wpa_psk_short *psk; 158 159 char *identity; /* User-Name from RADIUS */ 160 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 161 162 struct ieee80211_ht_capabilities *ht_capabilities; 163 struct ieee80211_vht_capabilities *vht_capabilities; 164 u8 vht_opmode; 165 166 #ifdef CONFIG_IEEE80211W 167 int sa_query_count; /* number of pending SA Query requests; 168 * 0 = no SA Query in progress */ 169 int sa_query_timed_out; 170 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 171 * sa_query_count octets of pending SA Query 172 * transaction identifiers */ 173 struct os_reltime sa_query_start; 174 #endif /* CONFIG_IEEE80211W */ 175 176 #ifdef CONFIG_INTERWORKING 177 #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 178 struct gas_dialog_info *gas_dialog; 179 u8 gas_dialog_next; 180 #endif /* CONFIG_INTERWORKING */ 181 182 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 183 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 184 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 185 u8 remediation_method; 186 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 187 struct wpabuf *hs20_deauth_req; 188 char *hs20_session_info_url; 189 int hs20_disassoc_timer; 190 #ifdef CONFIG_FST 191 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 192 #endif /* CONFIG_FST */ 193 194 struct os_reltime connected_time; 195 196 #ifdef CONFIG_SAE 197 struct sae_data *sae; 198 unsigned int mesh_sae_pmksa_caching:1; 199 #endif /* CONFIG_SAE */ 200 201 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 202 203 /* Last Authentication/(Re)Association Request/Action frame sequence 204 * control */ 205 u16 last_seq_ctrl; 206 /* Last Authentication/(Re)Association Request/Action frame subtype */ 207 u8 last_subtype; 208 209 #ifdef CONFIG_MBO 210 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 211 * enum mbo_cellular_capa values */ 212 struct mbo_non_pref_chan_info *non_pref_chan; 213 #endif /* CONFIG_MBO */ 214 215 u8 *supp_op_classes; /* Supported Operating Classes element, if 216 * received, starting from the Length field */ 217 218 u8 rrm_enabled_capa[5]; 219 220 #ifdef CONFIG_TAXONOMY 221 struct wpabuf *probe_ie_taxonomy; 222 struct wpabuf *assoc_ie_taxonomy; 223 #endif /* CONFIG_TAXONOMY */ 224 225 #ifdef CONFIG_FILS 226 u8 fils_snonce[FILS_NONCE_LEN]; 227 u8 fils_session[FILS_SESSION_LEN]; 228 u8 *fils_pending_assoc_req; 229 size_t fils_pending_assoc_req_len; 230 unsigned int fils_pending_assoc_is_reassoc:1; 231 unsigned int fils_dhcp_rapid_commit_proxy:1; 232 struct wpabuf *fils_hlp_resp; 233 struct wpabuf *hlp_dhcp_discover; 234 #endif /* CONFIG_FILS */ 235 }; 236 237 238 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 239 * passed since last received frame from the station, a nullfunc data frame is 240 * sent to the station. If this frame is not acknowledged and no other frames 241 * have been received, the station will be disassociated after 242 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 243 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 244 #define AP_MAX_INACTIVITY (5 * 60) 245 #define AP_DISASSOC_DELAY (3) 246 #define AP_DEAUTH_DELAY (1) 247 /* Number of seconds to keep STA entry with Authenticated flag after it has 248 * been disassociated. */ 249 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 250 /* Number of seconds to keep STA entry after it has been deauthenticated. */ 251 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 252 253 254 struct hostapd_data; 255 256 int ap_for_each_sta(struct hostapd_data *hapd, 257 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 258 void *ctx), 259 void *ctx); 260 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 261 struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 262 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 263 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 264 void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 265 void hostapd_free_stas(struct hostapd_data *hapd); 266 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 267 void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 268 u32 session_timeout); 269 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 270 u32 session_timeout); 271 void ap_sta_no_session_timeout(struct hostapd_data *hapd, 272 struct sta_info *sta); 273 void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 274 struct sta_info *sta, int warning_time); 275 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 276 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 277 u16 reason); 278 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 279 u16 reason); 280 #ifdef CONFIG_WPS 281 int ap_sta_wps_cancel(struct hostapd_data *hapd, 282 struct sta_info *sta, void *ctx); 283 #endif /* CONFIG_WPS */ 284 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 285 int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 286 struct vlan_description *vlan_desc); 287 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 288 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 289 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 290 void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 291 const u8 *addr, u16 reason); 292 293 void ap_sta_set_authorized(struct hostapd_data *hapd, 294 struct sta_info *sta, int authorized); ap_sta_is_authorized(struct sta_info * sta)295 static inline int ap_sta_is_authorized(struct sta_info *sta) 296 { 297 return sta->flags & WLAN_STA_AUTHORIZED; 298 } 299 300 void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 301 void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 302 void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 303 struct sta_info *sta); 304 305 int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 306 void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 307 struct sta_info *sta); 308 int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 309 struct sta_info *sta); 310 311 #endif /* STA_INFO_H */ 312