Line data Source code
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_VHT_OPMODE_ENABLED BIT(20)
31 : #define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
32 : #define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
33 : #define WLAN_STA_NONERP BIT(31)
34 :
35 : /* Maximum number of supported rates (from both Supported Rates and Extended
36 : * Supported Rates IEs). */
37 : #define WLAN_SUPP_RATES_MAX 32
38 :
39 :
40 : struct sta_info {
41 : struct sta_info *next; /* next entry in sta list */
42 : struct sta_info *hnext; /* next entry in hash table list */
43 : u8 addr[6];
44 : u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
45 : u32 flags; /* Bitfield of WLAN_STA_* */
46 : u16 capability;
47 : u16 listen_interval; /* or beacon_int for APs */
48 : u8 supported_rates[WLAN_SUPP_RATES_MAX];
49 : int supported_rates_len;
50 : u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
51 :
52 : unsigned int nonerp_set:1;
53 : unsigned int no_short_slot_time_set:1;
54 : unsigned int no_short_preamble_set:1;
55 : unsigned int no_ht_gf_set:1;
56 : unsigned int no_ht_set:1;
57 : unsigned int ht40_intolerant_set:1;
58 : unsigned int ht_20mhz_set:1;
59 : unsigned int no_p2p_set:1;
60 : unsigned int qos_map_enabled:1;
61 : unsigned int remediation:1;
62 : unsigned int hs20_deauth_requested:1;
63 :
64 : u16 auth_alg;
65 :
66 : enum {
67 : STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
68 : STA_DISASSOC_FROM_CLI
69 : } timeout_next;
70 :
71 : u16 deauth_reason;
72 : u16 disassoc_reason;
73 :
74 : /* IEEE 802.1X related data */
75 : struct eapol_state_machine *eapol_sm;
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 : u8 vht_opmode;
107 :
108 : #ifdef CONFIG_IEEE80211W
109 : int sa_query_count; /* number of pending SA Query requests;
110 : * 0 = no SA Query in progress */
111 : int sa_query_timed_out;
112 : u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
113 : * sa_query_count octets of pending SA Query
114 : * transaction identifiers */
115 : struct os_reltime sa_query_start;
116 : #endif /* CONFIG_IEEE80211W */
117 :
118 : #ifdef CONFIG_INTERWORKING
119 : #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
120 : struct gas_dialog_info *gas_dialog;
121 : u8 gas_dialog_next;
122 : #endif /* CONFIG_INTERWORKING */
123 :
124 : struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
125 : struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
126 : struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
127 : u8 remediation_method;
128 : char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */
129 : struct wpabuf *hs20_deauth_req;
130 : char *hs20_session_info_url;
131 : int hs20_disassoc_timer;
132 :
133 : struct os_reltime connected_time;
134 :
135 : #ifdef CONFIG_SAE
136 : struct sae_data *sae;
137 : #endif /* CONFIG_SAE */
138 : };
139 :
140 :
141 : /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
142 : * passed since last received frame from the station, a nullfunc data frame is
143 : * sent to the station. If this frame is not acknowledged and no other frames
144 : * have been received, the station will be disassociated after
145 : * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
146 : * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
147 : #define AP_MAX_INACTIVITY (5 * 60)
148 : #define AP_DISASSOC_DELAY (1)
149 : #define AP_DEAUTH_DELAY (1)
150 : /* Number of seconds to keep STA entry with Authenticated flag after it has
151 : * been disassociated. */
152 : #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
153 : /* Number of seconds to keep STA entry after it has been deauthenticated. */
154 : #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
155 :
156 :
157 : struct hostapd_data;
158 :
159 : int ap_for_each_sta(struct hostapd_data *hapd,
160 : int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
161 : void *ctx),
162 : void *ctx);
163 : struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
164 : struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr);
165 : void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
166 : void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
167 : void hostapd_free_stas(struct hostapd_data *hapd);
168 : void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
169 : void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
170 : u32 session_timeout);
171 : void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
172 : u32 session_timeout);
173 : void ap_sta_no_session_timeout(struct hostapd_data *hapd,
174 : struct sta_info *sta);
175 : void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
176 : struct sta_info *sta, int warning_time);
177 : struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
178 : void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
179 : u16 reason);
180 : void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
181 : u16 reason);
182 : #ifdef CONFIG_WPS
183 : int ap_sta_wps_cancel(struct hostapd_data *hapd,
184 : struct sta_info *sta, void *ctx);
185 : #endif /* CONFIG_WPS */
186 : int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
187 : int old_vlanid);
188 : void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
189 : void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
190 : int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
191 : void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
192 : const u8 *addr, u16 reason);
193 :
194 : void ap_sta_set_authorized(struct hostapd_data *hapd,
195 : struct sta_info *sta, int authorized);
196 0 : static inline int ap_sta_is_authorized(struct sta_info *sta)
197 : {
198 0 : return sta->flags & WLAN_STA_AUTHORIZED;
199 : }
200 :
201 : void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
202 : void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
203 :
204 : int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen);
205 :
206 : #endif /* STA_INFO_H */
|
