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Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * hostapd / Station table
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08003 * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
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_PS BIT(2)
16#define WLAN_STA_TIM BIT(3)
17#define WLAN_STA_PERM BIT(4)
18#define WLAN_STA_AUTHORIZED BIT(5)
19#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
20#define WLAN_STA_SHORT_PREAMBLE BIT(7)
21#define WLAN_STA_PREAUTH BIT(8)
22#define WLAN_STA_WMM BIT(9)
23#define WLAN_STA_MFP BIT(10)
24#define WLAN_STA_HT BIT(11)
25#define WLAN_STA_WPS BIT(12)
26#define WLAN_STA_MAYBE_WPS BIT(13)
27#define WLAN_STA_WDS BIT(14)
28#define WLAN_STA_ASSOC_REQ_OK BIT(15)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080029#define WLAN_STA_WPS2 BIT(16)
Dmitry Shmidt04949592012-07-19 12:16:46 -070030#define WLAN_STA_GAS BIT(17)
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070031#define WLAN_STA_VHT BIT(18)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080032#define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
33#define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070034#define WLAN_STA_NONERP BIT(31)
35
36/* Maximum number of supported rates (from both Supported Rates and Extended
37 * Supported Rates IEs). */
38#define WLAN_SUPP_RATES_MAX 32
39
40
41struct sta_info {
42 struct sta_info *next; /* next entry in sta list */
43 struct sta_info *hnext; /* next entry in hash table list */
44 u8 addr[6];
45 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
46 u32 flags; /* Bitfield of WLAN_STA_* */
47 u16 capability;
48 u16 listen_interval; /* or beacon_int for APs */
49 u8 supported_rates[WLAN_SUPP_RATES_MAX];
50 int supported_rates_len;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080051 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070052
53 unsigned int nonerp_set:1;
54 unsigned int no_short_slot_time_set:1;
55 unsigned int no_short_preamble_set:1;
56 unsigned int no_ht_gf_set:1;
57 unsigned int no_ht_set:1;
58 unsigned int ht_20mhz_set:1;
59 unsigned int no_p2p_set:1;
60
61 u16 auth_alg;
62 u8 previous_ap[6];
63
64 enum {
Dmitry Shmidtb6e9aaf2013-05-20 14:49:44 -070065 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
66 STA_DISASSOC_FROM_CLI
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070067 } timeout_next;
68
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080069 u16 deauth_reason;
70 u16 disassoc_reason;
71
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070072 /* IEEE 802.1X related data */
73 struct eapol_state_machine *eapol_sm;
74
75 /* IEEE 802.11f (IAPP) related data */
76 struct ieee80211_mgmt *last_assoc_req;
77
78 u32 acct_session_id_hi;
79 u32 acct_session_id_lo;
80 time_t acct_session_start;
81 int acct_session_started;
82 int acct_terminate_cause; /* Acct-Terminate-Cause */
83 int acct_interim_interval; /* Acct-Interim-Interval */
84
85 unsigned long last_rx_bytes;
86 unsigned long last_tx_bytes;
87 u32 acct_input_gigawords; /* Acct-Input-Gigawords */
88 u32 acct_output_gigawords; /* Acct-Output-Gigawords */
89
90 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
91
92 struct wpa_state_machine *wpa_sm;
93 struct rsn_preauth_interface *preauth_iface;
94
95 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */
96 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
97
98 int vlan_id;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -080099 /* PSKs from RADIUS authentication server */
100 struct hostapd_sta_wpa_psk_short *psk;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700101
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700102 char *identity; /* User-Name from RADIUS */
103 char *radius_cui; /* Chargeable-User-Identity from RADIUS */
104
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700105 struct ieee80211_ht_capabilities *ht_capabilities;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700106 struct ieee80211_vht_capabilities *vht_capabilities;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700107
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_time sa_query_start;
116#endif /* CONFIG_IEEE80211W */
117
Dmitry Shmidt04949592012-07-19 12:16:46 -0700118#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
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700124 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
125 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800126 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
127
128 struct os_time connected_time;
129
130#ifdef CONFIG_SAE
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -0800131 struct sae_data *sae;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800132#endif /* CONFIG_SAE */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700133};
134
135
136/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
137 * passed since last received frame from the station, a nullfunc data frame is
138 * sent to the station. If this frame is not acknowledged and no other frames
139 * have been received, the station will be disassociated after
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800140 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700141 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
142#define AP_MAX_INACTIVITY (5 * 60)
143#define AP_DISASSOC_DELAY (1)
144#define AP_DEAUTH_DELAY (1)
145/* Number of seconds to keep STA entry with Authenticated flag after it has
146 * been disassociated. */
147#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
148/* Number of seconds to keep STA entry after it has been deauthenticated. */
149#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
150
151
152struct hostapd_data;
153
154int ap_for_each_sta(struct hostapd_data *hapd,
155 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
156 void *ctx),
157 void *ctx);
158struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
159void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
160void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700161void hostapd_free_stas(struct hostapd_data *hapd);
162void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
163void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
164 u32 session_timeout);
165void ap_sta_no_session_timeout(struct hostapd_data *hapd,
166 struct sta_info *sta);
167struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
168void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
169 u16 reason);
170void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
171 u16 reason);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700172#ifdef CONFIG_WPS
173int ap_sta_wps_cancel(struct hostapd_data *hapd,
174 struct sta_info *sta, void *ctx);
175#endif /* CONFIG_WPS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700176int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
177 int old_vlanid);
178void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
179void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
180int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
181void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
182 const u8 *addr, u16 reason);
183
184void ap_sta_set_authorized(struct hostapd_data *hapd,
185 struct sta_info *sta, int authorized);
186static inline int ap_sta_is_authorized(struct sta_info *sta)
187{
188 return sta->flags & WLAN_STA_AUTHORIZED;
189}
190
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800191void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
192void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
193
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700194#endif /* STA_INFO_H */