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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 : : /* STA flags */
13 : : #define WLAN_STA_AUTH BIT(0)
14 : : #define WLAN_STA_ASSOC BIT(1)
15 : : #define WLAN_STA_AUTHORIZED BIT(5)
16 : : #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
17 : : #define WLAN_STA_SHORT_PREAMBLE BIT(7)
18 : : #define WLAN_STA_PREAUTH BIT(8)
19 : : #define WLAN_STA_WMM BIT(9)
20 : : #define WLAN_STA_MFP BIT(10)
21 : : #define WLAN_STA_HT BIT(11)
22 : : #define WLAN_STA_WPS BIT(12)
23 : : #define WLAN_STA_MAYBE_WPS BIT(13)
24 : : #define WLAN_STA_WDS BIT(14)
25 : : #define WLAN_STA_ASSOC_REQ_OK BIT(15)
26 : : #define WLAN_STA_WPS2 BIT(16)
27 : : #define WLAN_STA_GAS BIT(17)
28 : : #define WLAN_STA_VHT BIT(18)
29 : : #define WLAN_STA_WNM_SLEEP_MODE BIT(19)
30 : : #define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
31 : : #define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
32 : : #define WLAN_STA_NONERP BIT(31)
33 : :
34 : : /* Maximum number of supported rates (from both Supported Rates and Extended
35 : : * Supported Rates IEs). */
36 : : #define WLAN_SUPP_RATES_MAX 32
37 : :
38 : :
39 : : struct sta_info {
40 : : struct sta_info *next; /* next entry in sta list */
41 : : struct sta_info *hnext; /* next entry in hash table list */
42 : : u8 addr[6];
43 : : u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
44 : : u32 flags; /* Bitfield of WLAN_STA_* */
45 : : u16 capability;
46 : : u16 listen_interval; /* or beacon_int for APs */
47 : : u8 supported_rates[WLAN_SUPP_RATES_MAX];
48 : : int supported_rates_len;
49 : : u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
50 : :
51 : : unsigned int nonerp_set:1;
52 : : unsigned int no_short_slot_time_set:1;
53 : : unsigned int no_short_preamble_set:1;
54 : : unsigned int no_ht_gf_set:1;
55 : : unsigned int no_ht_set:1;
56 : : unsigned int ht_20mhz_set:1;
57 : : unsigned int no_p2p_set:1;
58 : : unsigned int qos_map_enabled:1;
59 : :
60 : : u16 auth_alg;
61 : : u8 previous_ap[6];
62 : :
63 : : enum {
64 : : STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
65 : : STA_DISASSOC_FROM_CLI
66 : : } timeout_next;
67 : :
68 : : u16 deauth_reason;
69 : : u16 disassoc_reason;
70 : :
71 : : /* IEEE 802.1X related data */
72 : : struct eapol_state_machine *eapol_sm;
73 : :
74 : : /* IEEE 802.11f (IAPP) related data */
75 : : struct ieee80211_mgmt *last_assoc_req;
76 : :
77 : : u32 acct_session_id_hi;
78 : : u32 acct_session_id_lo;
79 : : struct os_reltime acct_session_start;
80 : : int acct_session_started;
81 : : int acct_terminate_cause; /* Acct-Terminate-Cause */
82 : : int acct_interim_interval; /* Acct-Interim-Interval */
83 : :
84 : : unsigned long last_rx_bytes;
85 : : unsigned long last_tx_bytes;
86 : : u32 acct_input_gigawords; /* Acct-Input-Gigawords */
87 : : u32 acct_output_gigawords; /* Acct-Output-Gigawords */
88 : :
89 : : u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
90 : :
91 : : struct wpa_state_machine *wpa_sm;
92 : : struct rsn_preauth_interface *preauth_iface;
93 : :
94 : : struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */
95 : : struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
96 : :
97 : : int vlan_id;
98 : : /* PSKs from RADIUS authentication server */
99 : : struct hostapd_sta_wpa_psk_short *psk;
100 : :
101 : : char *identity; /* User-Name from RADIUS */
102 : : char *radius_cui; /* Chargeable-User-Identity from RADIUS */
103 : :
104 : : struct ieee80211_ht_capabilities *ht_capabilities;
105 : : struct ieee80211_vht_capabilities *vht_capabilities;
106 : :
107 : : #ifdef CONFIG_IEEE80211W
108 : : int sa_query_count; /* number of pending SA Query requests;
109 : : * 0 = no SA Query in progress */
110 : : int sa_query_timed_out;
111 : : u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
112 : : * sa_query_count octets of pending SA Query
113 : : * transaction identifiers */
114 : : struct os_reltime sa_query_start;
115 : : #endif /* CONFIG_IEEE80211W */
116 : :
117 : : #ifdef CONFIG_INTERWORKING
118 : : #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
119 : : struct gas_dialog_info *gas_dialog;
120 : : u8 gas_dialog_next;
121 : : #endif /* CONFIG_INTERWORKING */
122 : :
123 : : struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
124 : : struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
125 : : struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
126 : :
127 : : struct os_reltime connected_time;
128 : :
129 : : #ifdef CONFIG_SAE
130 : : struct sae_data *sae;
131 : : #endif /* CONFIG_SAE */
132 : : };
133 : :
134 : :
135 : : /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
136 : : * passed since last received frame from the station, a nullfunc data frame is
137 : : * sent to the station. If this frame is not acknowledged and no other frames
138 : : * have been received, the station will be disassociated after
139 : : * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
140 : : * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
141 : : #define AP_MAX_INACTIVITY (5 * 60)
142 : : #define AP_DISASSOC_DELAY (1)
143 : : #define AP_DEAUTH_DELAY (1)
144 : : /* Number of seconds to keep STA entry with Authenticated flag after it has
145 : : * been disassociated. */
146 : : #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
147 : : /* Number of seconds to keep STA entry after it has been deauthenticated. */
148 : : #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
149 : :
150 : :
151 : : struct hostapd_data;
152 : :
153 : : int ap_for_each_sta(struct hostapd_data *hapd,
154 : : int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
155 : : void *ctx),
156 : : void *ctx);
157 : : struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
158 : : struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr);
159 : : void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
160 : : void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
161 : : void hostapd_free_stas(struct hostapd_data *hapd);
162 : : void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
163 : : void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
164 : : u32 session_timeout);
165 : : void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
166 : : u32 session_timeout);
167 : : void ap_sta_no_session_timeout(struct hostapd_data *hapd,
168 : : struct sta_info *sta);
169 : : struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
170 : : void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
171 : : u16 reason);
172 : : void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
173 : : u16 reason);
174 : : #ifdef CONFIG_WPS
175 : : int ap_sta_wps_cancel(struct hostapd_data *hapd,
176 : : struct sta_info *sta, void *ctx);
177 : : #endif /* CONFIG_WPS */
178 : : int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
179 : : int old_vlanid);
180 : : void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
181 : : void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
182 : : int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
183 : : void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
184 : : const u8 *addr, u16 reason);
185 : :
186 : : void ap_sta_set_authorized(struct hostapd_data *hapd,
187 : : struct sta_info *sta, int authorized);
188 : 0 : static inline int ap_sta_is_authorized(struct sta_info *sta)
189 : : {
190 : 0 : return sta->flags & WLAN_STA_AUTHORIZED;
191 : : }
192 : :
193 : : void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
194 : : void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
195 : :
196 : : int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen);
197 : :
198 : : #endif /* STA_INFO_H */
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