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#endif /* CONFIG_MESH */ 16 17#include "list.h" 18#include "vlan.h" 19 20/* STA flags */ 21#define WLAN_STA_AUTH BIT(0) 22#define WLAN_STA_ASSOC BIT(1) 23#define WLAN_STA_AUTHORIZED BIT(5) 24#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 25#define WLAN_STA_SHORT_PREAMBLE BIT(7) 26#define WLAN_STA_PREAUTH BIT(8) 27#define WLAN_STA_WMM BIT(9) 28#define WLAN_STA_MFP BIT(10) 29#define WLAN_STA_HT BIT(11) 30#define WLAN_STA_WPS BIT(12) 31#define WLAN_STA_MAYBE_WPS BIT(13) 32#define WLAN_STA_WDS BIT(14) 33#define WLAN_STA_ASSOC_REQ_OK BIT(15) 34#define WLAN_STA_WPS2 BIT(16) 35#define WLAN_STA_GAS BIT(17) 36#define WLAN_STA_VHT BIT(18) 37#define WLAN_STA_WNM_SLEEP_MODE BIT(19) 38#define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 39#define WLAN_STA_VENDOR_VHT BIT(21) 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 49struct 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 reason_detail; 55 u8 num_channels; 56 u8 channels[]; 57}; 58 59struct pending_eapol_rx { 60 struct wpabuf *buf; 61 struct os_reltime rx_time; 62}; 63 64struct 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 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 mpm_close_reason; 83 int mpm_retries; 84 u8 my_nonce[32]; 85 u8 peer_nonce[32]; 86 u8 aek[32]; /* SHA256 digest length */ 87 u8 mtk[16]; 88 u8 mgtk[16]; 89 u8 sae_auth_retry; 90#endif /* CONFIG_MESH */ 91 92 unsigned int nonerp_set:1; 93 unsigned int no_short_slot_time_set:1; 94 unsigned int no_short_preamble_set:1; 95 unsigned int no_ht_gf_set:1; 96 unsigned int no_ht_set:1; 97 unsigned int ht40_intolerant_set:1; 98 unsigned int ht_20mhz_set:1; 99 unsigned int no_p2p_set:1; 100 unsigned int qos_map_enabled:1; 101 unsigned int remediation:1; 102 unsigned int hs20_deauth_requested:1; 103 unsigned int session_timeout_set:1; 104 unsigned int radius_das_match:1; 105 unsigned int ecsa_supported:1; 106 unsigned int added_unassoc:1; 107 108 u16 auth_alg; 109 110 enum { 111 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 112 STA_DISASSOC_FROM_CLI 113 } timeout_next; 114 115 u16 deauth_reason; 116 u16 disassoc_reason; 117 118 /* IEEE 802.1X related data */ 119 struct eapol_state_machine *eapol_sm; 120 121 struct pending_eapol_rx *pending_eapol_rx; 122 123 u64 acct_session_id; 124 struct os_reltime acct_session_start; 125 int acct_session_started; 126 int acct_terminate_cause; /* Acct-Terminate-Cause */ 127 int acct_interim_interval; /* Acct-Interim-Interval */ 128 unsigned int acct_interim_errors; 129 130 /* For extending 32-bit driver counters to 64-bit counters */ 131 u32 last_rx_bytes_hi; 132 u32 last_rx_bytes_lo; 133 u32 last_tx_bytes_hi; 134 u32 last_tx_bytes_lo; 135 136 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 137 138 struct wpa_state_machine *wpa_sm; 139 struct rsn_preauth_interface *preauth_iface; 140 141 int vlan_id; /* 0: none, >0: VID */ 142 struct vlan_description *vlan_desc; 143 int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ 144 /* PSKs from RADIUS authentication server */ 145 struct hostapd_sta_wpa_psk_short *psk; 146 147 char *identity; /* User-Name from RADIUS */ 148 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 149 150 struct ieee80211_ht_capabilities *ht_capabilities; 151 struct ieee80211_vht_capabilities *vht_capabilities; 152 u8 vht_opmode; 153 154#ifdef CONFIG_IEEE80211W 155 int sa_query_count; /* number of pending SA Query requests; 156 * 0 = no SA Query in progress */ 157 int sa_query_timed_out; 158 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 159 * sa_query_count octets of pending SA Query 160 * transaction identifiers */ 161 struct os_reltime sa_query_start; 162#endif /* CONFIG_IEEE80211W */ 163 164#ifdef CONFIG_INTERWORKING 165#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 166 struct gas_dialog_info *gas_dialog; 167 u8 gas_dialog_next; 168#endif /* CONFIG_INTERWORKING */ 169 170 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 171 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 172 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 173 u8 remediation_method; 174 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ 175 struct wpabuf *hs20_deauth_req; 176 char *hs20_session_info_url; 177 int hs20_disassoc_timer; 178#ifdef CONFIG_FST 179 struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ 180#endif /* CONFIG_FST */ 181 182 struct os_reltime connected_time; 183 184#ifdef CONFIG_SAE 185 struct sae_data *sae; 186 unsigned int mesh_sae_pmksa_caching:1; 187#endif /* CONFIG_SAE */ 188 189 u32 session_timeout; /* valid only if session_timeout_set == 1 */ 190 191 /* Last Authentication/(Re)Association Request/Action frame sequence 192 * control */ 193 u16 last_seq_ctrl; 194 /* Last Authentication/(Re)Association Request/Action frame subtype */ 195 u8 last_subtype; 196 197#ifdef CONFIG_MBO 198 u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, 199 * enum mbo_cellular_capa values */ 200 struct mbo_non_pref_chan_info *non_pref_chan; 201#endif /* CONFIG_MBO */ 202 203 u8 *supp_op_classes; /* Supported Operating Classes element, if 204 * received, starting from the Length field */ 205}; 206 207 208/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 209 * passed since last received frame from the station, a nullfunc data frame is 210 * sent to the station. If this frame is not acknowledged and no other frames 211 * have been received, the station will be disassociated after 212 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 213 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 214#define AP_MAX_INACTIVITY (5 * 60) 215#define AP_DISASSOC_DELAY (3) 216#define AP_DEAUTH_DELAY (1) 217/* Number of seconds to keep STA entry with Authenticated flag after it has 218 * been disassociated. */ 219#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 220/* Number of seconds to keep STA entry after it has been deauthenticated. */ 221#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 222 223 224struct hostapd_data; 225 226int ap_for_each_sta(struct hostapd_data *hapd, 227 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 228 void *ctx), 229 void *ctx); 230struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 231struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 232void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 233void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 234void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); 235void hostapd_free_stas(struct hostapd_data *hapd); 236void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 237void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 238 u32 session_timeout); 239void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 240 u32 session_timeout); 241void ap_sta_no_session_timeout(struct hostapd_data *hapd, 242 struct sta_info *sta); 243void ap_sta_session_warning_timeout(struct hostapd_data *hapd, 244 struct sta_info *sta, int warning_time); 245struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 246void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 247 u16 reason); 248void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 249 u16 reason); 250#ifdef CONFIG_WPS 251int ap_sta_wps_cancel(struct hostapd_data *hapd, 252 struct sta_info *sta, void *ctx); 253#endif /* CONFIG_WPS */ 254int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); 255int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, 256 struct vlan_description *vlan_desc); 257void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 258void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 259int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 260void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 261 const u8 *addr, u16 reason); 262 263void ap_sta_set_authorized(struct hostapd_data *hapd, 264 struct sta_info *sta, int authorized); 265static inline int ap_sta_is_authorized(struct sta_info *sta) 266{ 267 return sta->flags & WLAN_STA_AUTHORIZED; 268} 269 270void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 271void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 272void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, 273 struct sta_info *sta); 274 275int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 276 277#endif /* STA_INFO_H */ 278