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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)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070015#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)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080026#define WLAN_STA_WPS2 BIT(16)
Dmitry Shmidt04949592012-07-19 12:16:46 -070027#define WLAN_STA_GAS BIT(17)
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070028#define WLAN_STA_VHT BIT(18)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -080029#define WLAN_STA_WNM_SLEEP_MODE BIT(19)
Dmitry Shmidtbd14a572014-02-18 10:33:49 -080030#define WLAN_STA_VHT_OPMODE_ENABLED BIT(20)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080031#define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
32#define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070033#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
40struct 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;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080050 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070051
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 ht_20mhz_set:1;
58 unsigned int no_p2p_set:1;
Dmitry Shmidt051af732013-10-22 13:52:46 -070059 unsigned int qos_map_enabled:1;
Dmitry Shmidtf21452a2014-02-26 10:55:25 -080060 unsigned int remediation:1;
61 unsigned int hs20_deauth_requested:1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070062
63 u16 auth_alg;
64 u8 previous_ap[6];
65
66 enum {
Dmitry Shmidtb6e9aaf2013-05-20 14:49:44 -070067 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
68 STA_DISASSOC_FROM_CLI
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070069 } timeout_next;
70
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080071 u16 deauth_reason;
72 u16 disassoc_reason;
73
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070074 /* IEEE 802.1X related data */
75 struct eapol_state_machine *eapol_sm;
76
77 /* IEEE 802.11f (IAPP) related data */
78 struct ieee80211_mgmt *last_assoc_req;
79
80 u32 acct_session_id_hi;
81 u32 acct_session_id_lo;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -080082 struct os_reltime acct_session_start;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070083 int acct_session_started;
84 int acct_terminate_cause; /* Acct-Terminate-Cause */
85 int acct_interim_interval; /* Acct-Interim-Interval */
86
87 unsigned long last_rx_bytes;
88 unsigned long last_tx_bytes;
89 u32 acct_input_gigawords; /* Acct-Input-Gigawords */
90 u32 acct_output_gigawords; /* Acct-Output-Gigawords */
91
92 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
93
94 struct wpa_state_machine *wpa_sm;
95 struct rsn_preauth_interface *preauth_iface;
96
97 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */
98 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
99
100 int vlan_id;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800101 /* PSKs from RADIUS authentication server */
102 struct hostapd_sta_wpa_psk_short *psk;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700103
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700104 char *identity; /* User-Name from RADIUS */
105 char *radius_cui; /* Chargeable-User-Identity from RADIUS */
106
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700107 struct ieee80211_ht_capabilities *ht_capabilities;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700108 struct ieee80211_vht_capabilities *vht_capabilities;
Dmitry Shmidtbd14a572014-02-18 10:33:49 -0800109 u8 vht_opmode;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700110
111#ifdef CONFIG_IEEE80211W
112 int sa_query_count; /* number of pending SA Query requests;
113 * 0 = no SA Query in progress */
114 int sa_query_timed_out;
115 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
116 * sa_query_count octets of pending SA Query
117 * transaction identifiers */
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800118 struct os_reltime sa_query_start;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700119#endif /* CONFIG_IEEE80211W */
120
Dmitry Shmidt04949592012-07-19 12:16:46 -0700121#ifdef CONFIG_INTERWORKING
122#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
123 struct gas_dialog_info *gas_dialog;
124 u8 gas_dialog_next;
125#endif /* CONFIG_INTERWORKING */
126
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700127 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
128 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800129 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
Dmitry Shmidtf21452a2014-02-26 10:55:25 -0800130 u8 remediation_method;
131 char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */
132 struct wpabuf *hs20_deauth_req;
133 char *hs20_session_info_url;
134 int hs20_disassoc_timer;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800135
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800136 struct os_reltime connected_time;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800137
138#ifdef CONFIG_SAE
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -0800139 struct sae_data *sae;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800140#endif /* CONFIG_SAE */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700141};
142
143
144/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
145 * passed since last received frame from the station, a nullfunc data frame is
146 * sent to the station. If this frame is not acknowledged and no other frames
147 * have been received, the station will be disassociated after
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800148 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700149 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
150#define AP_MAX_INACTIVITY (5 * 60)
151#define AP_DISASSOC_DELAY (1)
152#define AP_DEAUTH_DELAY (1)
153/* Number of seconds to keep STA entry with Authenticated flag after it has
154 * been disassociated. */
155#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
156/* Number of seconds to keep STA entry after it has been deauthenticated. */
157#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
158
159
160struct hostapd_data;
161
162int ap_for_each_sta(struct hostapd_data *hapd,
163 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
164 void *ctx),
165 void *ctx);
166struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700167struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700168void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
169void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700170void hostapd_free_stas(struct hostapd_data *hapd);
171void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
Dmitry Shmidt54605472013-11-08 11:10:19 -0800172void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
173 u32 session_timeout);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700174void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
175 u32 session_timeout);
176void ap_sta_no_session_timeout(struct hostapd_data *hapd,
177 struct sta_info *sta);
Dmitry Shmidtf21452a2014-02-26 10:55:25 -0800178void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
179 struct sta_info *sta, int warning_time);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700180struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
181void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
182 u16 reason);
183void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
184 u16 reason);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700185#ifdef CONFIG_WPS
186int ap_sta_wps_cancel(struct hostapd_data *hapd,
187 struct sta_info *sta, void *ctx);
188#endif /* CONFIG_WPS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700189int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
190 int old_vlanid);
191void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
192void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
193int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
194void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
195 const u8 *addr, u16 reason);
196
197void ap_sta_set_authorized(struct hostapd_data *hapd,
198 struct sta_info *sta, int authorized);
199static inline int ap_sta_is_authorized(struct sta_info *sta)
200{
201 return sta->flags & WLAN_STA_AUTHORIZED;
202}
203
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800204void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
205void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
206
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800207int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen);
208
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700209#endif /* STA_INFO_H */