/* * hostapd / Station table * Copyright (c) 2002-2017, Jouni Malinen * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #ifndef STA_INFO_H #define STA_INFO_H #include "common/defs.h" #include "list.h" #include "vlan.h" #include "common/wpa_common.h" #include "common/ieee802_11_defs.h" #include "common/sae.h" #include "crypto/sha384.h" #include "pasn/pasn_common.h" /* STA flags */ #define WLAN_STA_AUTH BIT(0) #define WLAN_STA_ASSOC BIT(1) #define WLAN_STA_AUTHORIZED BIT(5) #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ #define WLAN_STA_SHORT_PREAMBLE BIT(7) #define WLAN_STA_PREAUTH BIT(8) #define WLAN_STA_WMM BIT(9) #define WLAN_STA_MFP BIT(10) #define WLAN_STA_HT BIT(11) #define WLAN_STA_WPS BIT(12) #define WLAN_STA_MAYBE_WPS BIT(13) #define WLAN_STA_WDS BIT(14) #define WLAN_STA_ASSOC_REQ_OK BIT(15) #define WLAN_STA_WPS2 BIT(16) #define WLAN_STA_GAS BIT(17) #define WLAN_STA_VHT BIT(18) #define WLAN_STA_WNM_SLEEP_MODE BIT(19) #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) #define WLAN_STA_VENDOR_VHT BIT(21) #define WLAN_STA_PENDING_FILS_ERP BIT(22) #define WLAN_STA_MULTI_AP BIT(23) #define WLAN_STA_HE BIT(24) #define WLAN_STA_6GHZ BIT(25) #define WLAN_STA_PENDING_PASN_FILS_ERP BIT(26) #define WLAN_STA_EHT BIT(27) #define WLAN_STA_PENDING_DISASSOC_CB BIT(29) #define WLAN_STA_PENDING_DEAUTH_CB BIT(30) #define WLAN_STA_NONERP BIT(31) /* Maximum number of supported rates (from both Supported Rates and Extended * Supported Rates IEs). */ #define WLAN_SUPP_RATES_MAX 32 struct hostapd_data; struct mbo_non_pref_chan_info { struct mbo_non_pref_chan_info *next; u8 op_class; u8 pref; u8 reason_code; u8 num_channels; u8 channels[]; }; struct pending_eapol_rx { struct wpabuf *buf; struct os_reltime rx_time; enum frame_encryption encrypted; }; struct sta_info { struct sta_info *next; /* next entry in sta list */ struct sta_info *hnext; /* next entry in hash table list */ u8 addr[6]; be32 ipaddr; struct dl_list ip6addr; /* list head for struct ip6addr */ u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ u16 disconnect_reason_code; /* RADIUS server override */ u32 flags; /* Bitfield of WLAN_STA_* */ u16 capability; u16 listen_interval; /* or beacon_int for APs */ u8 supported_rates[WLAN_SUPP_RATES_MAX]; int supported_rates_len; u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ #ifdef CONFIG_MESH enum mesh_plink_state plink_state; u16 peer_lid; u16 my_lid; u16 peer_aid; u16 mpm_close_reason; int mpm_retries; u8 my_nonce[WPA_NONCE_LEN]; u8 peer_nonce[WPA_NONCE_LEN]; u8 aek[32]; /* SHA256 digest length */ u8 mtk[WPA_TK_MAX_LEN]; size_t mtk_len; u8 mgtk_rsc[6]; u8 mgtk_key_id; u8 mgtk[WPA_TK_MAX_LEN]; size_t mgtk_len; u8 igtk_rsc[6]; u8 igtk[WPA_TK_MAX_LEN]; size_t igtk_len; u16 igtk_key_id; u8 sae_auth_retry; #endif /* CONFIG_MESH */ unsigned int nonerp_set:1; unsigned int no_short_slot_time_set:1; unsigned int no_short_preamble_set:1; unsigned int no_ht_gf_set:1; unsigned int no_ht_set:1; unsigned int ht40_intolerant_set:1; unsigned int ht_20mhz_set:1; unsigned int no_p2p_set:1; unsigned int qos_map_enabled:1; unsigned int remediation:1; unsigned int hs20_deauth_requested:1; unsigned int session_timeout_set:1; unsigned int radius_das_match:1; unsigned int ecsa_supported:1; unsigned int added_unassoc:1; unsigned int pending_wds_enable:1; unsigned int power_capab:1; unsigned int agreed_to_steer:1; unsigned int hs20_t_c_filtering:1; unsigned int ft_over_ds:1; unsigned int external_dh_updated:1; unsigned int post_csa_sa_query:1; u16 auth_alg; enum { STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, STA_DISASSOC_FROM_CLI } timeout_next; u16 deauth_reason; u16 disassoc_reason; /* IEEE 802.1X related data */ struct eapol_state_machine *eapol_sm; struct pending_eapol_rx *pending_eapol_rx; u64 acct_session_id; struct os_reltime acct_session_start; int acct_session_started; int acct_terminate_cause; /* Acct-Terminate-Cause */ int acct_interim_interval; /* Acct-Interim-Interval */ unsigned int acct_interim_errors; /* For extending 32-bit driver counters to 64-bit counters */ u32 last_rx_bytes_hi; u32 last_rx_bytes_lo; u32 last_tx_bytes_hi; u32 last_tx_bytes_lo; u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ struct wpa_state_machine *wpa_sm; struct rsn_preauth_interface *preauth_iface; int vlan_id; /* 0: none, >0: VID */ struct vlan_description *vlan_desc; int vlan_id_bound; /* updated by ap_sta_bind_vlan() */ /* PSKs from RADIUS authentication server */ struct hostapd_sta_wpa_psk_short *psk; char *identity; /* User-Name from RADIUS */ char *radius_cui; /* Chargeable-User-Identity from RADIUS */ struct ieee80211_ht_capabilities *ht_capabilities; struct ieee80211_vht_capabilities *vht_capabilities; struct ieee80211_vht_operation *vht_operation; u8 vht_opmode; struct ieee80211_he_capabilities *he_capab; size_t he_capab_len; struct ieee80211_he_6ghz_band_cap *he_6ghz_capab; struct ieee80211_eht_capabilities *eht_capab; size_t eht_capab_len; int sa_query_count; /* number of pending SA Query requests; * 0 = no SA Query in progress */ int sa_query_timed_out; u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * * sa_query_count octets of pending SA Query * transaction identifiers */ struct os_reltime sa_query_start; #if defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP) #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ struct gas_dialog_info *gas_dialog; u8 gas_dialog_next; #endif /* CONFIG_INTERWORKING || CONFIG_DPP */ struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ /* Hotspot 2.0 Roaming Consortium from (Re)Association Request */ struct wpabuf *roaming_consortium; u8 remediation_method; char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */ char *t_c_url; /* HS 2.0 Terms and Conditions Server URL */ struct wpabuf *hs20_deauth_req; char *hs20_session_info_url; int hs20_disassoc_timer; #ifdef CONFIG_FST struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */ #endif /* CONFIG_FST */ struct os_reltime connected_time; #ifdef CONFIG_SAE struct sae_data *sae; unsigned int mesh_sae_pmksa_caching:1; #endif /* CONFIG_SAE */ /* valid only if session_timeout_set == 1 */ struct os_reltime session_timeout; /* Last Authentication/(Re)Association Request/Action frame sequence * control */ u16 last_seq_ctrl; /* Last Authentication/(Re)Association Request/Action frame subtype */ u8 last_subtype; #ifdef CONFIG_MBO u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise, * enum mbo_cellular_capa values */ struct mbo_non_pref_chan_info *non_pref_chan; int auth_rssi; /* Last Authentication frame RSSI */ #endif /* CONFIG_MBO */ u8 *supp_op_classes; /* Supported Operating Classes element, if * received, starting from the Length field */ u8 rrm_enabled_capa[5]; s8 min_tx_power; s8 max_tx_power; #ifdef CONFIG_TAXONOMY struct wpabuf *probe_ie_taxonomy; struct wpabuf *assoc_ie_taxonomy; #endif /* CONFIG_TAXONOMY */ #ifdef CONFIG_FILS u8 fils_snonce[FILS_NONCE_LEN]; u8 fils_session[FILS_SESSION_LEN]; u8 fils_erp_pmkid[PMKID_LEN]; u8 *fils_pending_assoc_req; size_t fils_pending_assoc_req_len; unsigned int fils_pending_assoc_is_reassoc:1; unsigned int fils_dhcp_rapid_commit_proxy:1; unsigned int fils_erp_pmkid_set:1; unsigned int fils_drv_assoc_finish:1; struct wpabuf *fils_hlp_resp; struct wpabuf *hlp_dhcp_discover; void (*fils_pending_cb)(struct hostapd_data *hapd, struct sta_info *sta, u16 resp, struct wpabuf *data, int pub); #ifdef CONFIG_FILS_SK_PFS struct crypto_ecdh *fils_ecdh; #endif /* CONFIG_FILS_SK_PFS */ struct wpabuf *fils_dh_ss; struct wpabuf *fils_g_sta; #endif /* CONFIG_FILS */ #ifdef CONFIG_OWE u8 *owe_pmk; size_t owe_pmk_len; struct crypto_ecdh *owe_ecdh; u16 owe_group; #endif /* CONFIG_OWE */ u8 *ext_capability; char *ifname_wds; /* WDS ifname, if in use */ #ifdef CONFIG_DPP2 struct dpp_pfs *dpp_pfs; #endif /* CONFIG_DPP2 */ #ifdef CONFIG_TESTING_OPTIONS enum wpa_alg last_tk_alg; int last_tk_key_idx; u8 last_tk[WPA_TK_MAX_LEN]; size_t last_tk_len; u8 *sae_postponed_commit; size_t sae_postponed_commit_len; #endif /* CONFIG_TESTING_OPTIONS */ #ifdef CONFIG_AIRTIME_POLICY unsigned int airtime_weight; struct os_reltime backlogged_until; #endif /* CONFIG_AIRTIME_POLICY */ #ifdef CONFIG_PASN struct wpas_pasn *pasn; #endif /* CONFIG_PASN */ }; /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has * passed since last received frame from the station, a nullfunc data frame is * sent to the station. If this frame is not acknowledged and no other frames * have been received, the station will be disassociated after * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ #define AP_MAX_INACTIVITY (5 * 60) #define AP_DISASSOC_DELAY (3) #define AP_DEAUTH_DELAY (1) /* Number of seconds to keep STA entry with Authenticated flag after it has * been disassociated. */ #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) /* Number of seconds to keep STA entry after it has been deauthenticated. */ #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) int ap_for_each_sta(struct hostapd_data *hapd, int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, void *ctx), void *ctx); struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta); void hostapd_free_stas(struct hostapd_data *hapd); void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, u32 session_timeout); void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, u32 session_timeout); void ap_sta_no_session_timeout(struct hostapd_data *hapd, struct sta_info *sta); void ap_sta_session_warning_timeout(struct hostapd_data *hapd, struct sta_info *sta, int warning_time); struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, u16 reason); void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, u16 reason); #ifdef CONFIG_WPS int ap_sta_wps_cancel(struct hostapd_data *hapd, struct sta_info *sta, void *ctx); #endif /* CONFIG_WPS */ int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta); int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta, struct vlan_description *vlan_desc); void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); const char * ap_sta_wpa_get_keyid(struct hostapd_data *hapd, struct sta_info *sta); void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, const u8 *addr, u16 reason); void ap_sta_set_authorized(struct hostapd_data *hapd, struct sta_info *sta, int authorized); static inline int ap_sta_is_authorized(struct sta_info *sta) { return sta->flags & WLAN_STA_AUTHORIZED; } void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd, struct sta_info *sta); int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, struct sta_info *sta); int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd, struct sta_info *sta); int ap_sta_re_add(struct hostapd_data *hapd, struct sta_info *sta); void ap_free_sta_pasn(struct hostapd_data *hapd, struct sta_info *sta); #endif /* STA_INFO_H */