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#ifdef CONFIG_MESH 13/* needed for mesh_plink_state enum */ 14#include "common/defs.h" 15#endif /* CONFIG_MESH */ 16 17#include "list.h" 18#include "vlan.h" 19#include "common/wpa_common.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 51struct hostapd_data; 52 53struct mbo_non_pref_chan_info { 54 struct mbo_non_pref_chan_info *next; 55 u8 op_class; 56 u8 pref; 57 u8 reason_code; 58 u8 num_channels; 59 u8 channels[]; 60}; 61 62struct pending_eapol_rx { 63 struct wpabuf *buf; 64 struct os_reltime rx_time; 65}; 66 67struct sta_info { 68 struct sta_info *next; /* next entry in sta list */ 69 struct sta_info *hnext; /* next entry in hash table list */ 70 u8 addr[6]; 71 be32 ipaddr; 72 struct dl_list ip6addr; /* list head for struct ip6addr */ 73 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 74 u32 flags; /* Bitfield of WLAN_STA_* */ 75 u16 capability; 76 u16 listen_interval; /* or beacon_int for APs */ 77 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 78 int supported_rates_len; 79 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 80 81#ifdef CONFIG_MESH 82 enum mesh_plink_state plink_state; 83 u16 peer_lid; 84 u16 my_lid; 85 u16 peer_aid; 86 u16 mpm_close_reason; 87 int mpm_retries; 88 u8 my_nonce[WPA_NONCE_LEN]; 89 u8 peer_nonce[WPA_NONCE_LEN]; 90 u8 aek[32]; /* SHA256 digest length */ 91 u8 mtk[WPA_TK_MAX_LEN]; 92 size_t mtk_len; 93 u8 mgtk_rsc[6]; 94 u8 mgtk_key_id; 95 u8 mgtk[WPA_TK_MAX_LEN]; 96 size_t mgtk_len; 97 u8 igtk_rsc[6]; 98 u8 igtk[WPA_TK_MAX_LEN]; 99 size_t igtk_len; 100 u16 igtk_key_id; 101 u8 sae_auth_retry; 102#endif /* CONFIG_MESH */ 103 104 unsigned int nonerp_set:1; 105 unsigned int no_short_slot_time_set:1; 106 unsigned int no_short_preamble_set:1; 107 unsigned int no_ht_gf_set:1; 108 unsigned int no_ht_set:1; 109 unsigned int ht40_intolerant_set:1; 110 unsigned int ht_20mhz_set:1; 111 unsigned int no_p2p_set:1; 112 unsigned int qos_map_enabled:1; 113 unsigned int remediation:1; 114 unsigned int hs20_deauth_requested:1; 115 unsigned int session_timeout_set:1; 116 unsigned int radius_das_match:1; 117 unsigned int ecsa_supported:1; 118 unsigned int added_unassoc:1; 119 unsigned int pending_wds_enable: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 u8 remediation_method; 187 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 188 struct wpabuf *hs20_deauth_req; 189 char *hs20_session_info_url; 190 int hs20_disassoc_timer; 191#ifdef CONFIG_FST 192 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 193#endif /* CONFIG_FST */ 194 195 struct os_reltime connected_time; 196 197#ifdef CONFIG_SAE 198 struct sae_data *sae; 199 unsigned int mesh_sae_pmksa_caching:1; 200#endif /* CONFIG_SAE */ 201 202 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 203 204 /* Last Authentication/(Re)Association Request/Action frame sequence 205 * control */ 206 u16 last_seq_ctrl; 207 /* Last Authentication/(Re)Association Request/Action frame subtype */ 208 u8 last_subtype; 209 210#ifdef CONFIG_MBO 211 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 212 * enum mbo_cellular_capa values */ 213 struct mbo_non_pref_chan_info *non_pref_chan; 214#endif /* CONFIG_MBO */ 215 216 u8 *supp_op_classes; /* Supported Operating Classes element, if 217 * received, starting from the Length field */ 218 219 u8 rrm_enabled_capa[5]; 220 221#ifdef CONFIG_TAXONOMY 222 struct wpabuf *probe_ie_taxonomy; 223 struct wpabuf *assoc_ie_taxonomy; 224#endif /* CONFIG_TAXONOMY */ 225 226#ifdef CONFIG_FILS 227 u8 fils_snonce[FILS_NONCE_LEN]; 228 u8 fils_session[FILS_SESSION_LEN]; 229 u8 fils_erp_pmkid[PMKID_LEN]; 230 u8 *fils_pending_assoc_req; 231 size_t fils_pending_assoc_req_len; 232 unsigned int fils_pending_assoc_is_reassoc:1; 233 unsigned int fils_dhcp_rapid_commit_proxy:1; 234 unsigned int fils_erp_pmkid_set:1; 235 unsigned int fils_drv_assoc_finish:1; 236 struct wpabuf *fils_hlp_resp; 237 struct wpabuf *hlp_dhcp_discover; 238 void (*fils_pending_cb)(struct hostapd_data *hapd, struct sta_info *sta, 239 u16 resp, struct wpabuf *data, int pub); 240#ifdef CONFIG_FILS_SK_PFS 241 struct crypto_ecdh *fils_ecdh; 242#endif /* CONFIG_FILS_SK_PFS */ 243 struct wpabuf *fils_dh_ss; 244 struct wpabuf *fils_g_sta; 245#endif /* CONFIG_FILS */ 246 247#ifdef CONFIG_OWE 248 u8 *owe_pmk; 249 size_t owe_pmk_len; 250 struct crypto_ecdh *owe_ecdh; 251 u16 owe_group; 252#endif /* CONFIG_OWE */ 253 254#ifdef CONFIG_TESTING_OPTIONS 255 enum wpa_alg last_tk_alg; 256 int last_tk_key_idx; 257 u8 last_tk[WPA_TK_MAX_LEN]; 258 size_t last_tk_len; 259#endif /* CONFIG_TESTING_OPTIONS */ 260}; 261 262 263/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 264 * passed since last received frame from the station, a nullfunc data frame is 265 * sent to the station. If this frame is not acknowledged and no other frames 266 * have been received, the station will be disassociated after 267 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 268 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 269#define AP_MAX_INACTIVITY (5 * 60) 270#define AP_DISASSOC_DELAY (3) 271#define AP_DEAUTH_DELAY (1) 272/* Number of seconds to keep STA entry with Authenticated flag after it has 273 * been disassociated. */ 274#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 275/* Number of seconds to keep STA entry after it has been deauthenticated. */ 276#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 277 278 279int ap_for_each_sta(struct hostapd_data *hapd, 280 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 281 void *ctx), 282 void *ctx); 283struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 284struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 285void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 286void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 287void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 288void hostapd_free_stas(struct hostapd_data *hapd); 289void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 290void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 291 u32 session_timeout); 292void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 293 u32 session_timeout); 294void ap_sta_no_session_timeout(struct hostapd_data *hapd, 295 struct sta_info *sta); 296void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 297 struct sta_info *sta, int warning_time); 298struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 299void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 300 u16 reason); 301void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 302 u16 reason); 303#ifdef CONFIG_WPS 304int ap_sta_wps_cancel(struct hostapd_data *hapd, 305 struct sta_info *sta, void *ctx); 306#endif /* CONFIG_WPS */ 307int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 308int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 309 struct vlan_description *vlan_desc); 310void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 311void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 312int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 313void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 314 const u8 *addr, u16 reason); 315 316void ap_sta_set_authorized(struct hostapd_data *hapd, 317 struct sta_info *sta, int authorized); 318static inline int ap_sta_is_authorized(struct sta_info *sta) 319{ 320 return sta->flags & WLAN_STA_AUTHORIZED; 321} 322 323void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 324void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 325void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 326 struct sta_info *sta); 327 328int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 329void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 330 struct sta_info *sta); 331int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, 332 struct sta_info *sta); 333 334#endif /* STA_INFO_H */ 335