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 : #ifdef CONFIG_MESH
13 : /* needed for mesh_plink_state enum */
14 : #include "common/defs.h"
15 : #endif /* CONFIG_MESH */
16 :
17 : #include "list.h"
18 :
19 : /* STA flags */
20 : #define WLAN_STA_AUTH BIT(0)
21 : #define WLAN_STA_ASSOC BIT(1)
22 : #define WLAN_STA_AUTHORIZED BIT(5)
23 : #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
24 : #define WLAN_STA_SHORT_PREAMBLE BIT(7)
25 : #define WLAN_STA_PREAUTH BIT(8)
26 : #define WLAN_STA_WMM BIT(9)
27 : #define WLAN_STA_MFP BIT(10)
28 : #define WLAN_STA_HT BIT(11)
29 : #define WLAN_STA_WPS BIT(12)
30 : #define WLAN_STA_MAYBE_WPS BIT(13)
31 : #define WLAN_STA_WDS BIT(14)
32 : #define WLAN_STA_ASSOC_REQ_OK BIT(15)
33 : #define WLAN_STA_WPS2 BIT(16)
34 : #define WLAN_STA_GAS BIT(17)
35 : #define WLAN_STA_VHT BIT(18)
36 : #define WLAN_STA_WNM_SLEEP_MODE BIT(19)
37 : #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20)
38 : #define WLAN_STA_VENDOR_VHT BIT(21)
39 : #define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
40 : #define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
41 : #define WLAN_STA_NONERP BIT(31)
42 :
43 : /* Maximum number of supported rates (from both Supported Rates and Extended
44 : * Supported Rates IEs). */
45 : #define WLAN_SUPP_RATES_MAX 32
46 :
47 :
48 : struct sta_info {
49 : struct sta_info *next; /* next entry in sta list */
50 : struct sta_info *hnext; /* next entry in hash table list */
51 : u8 addr[6];
52 : be32 ipaddr;
53 : struct dl_list ip6addr; /* list head for struct ip6addr */
54 : u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
55 : u32 flags; /* Bitfield of WLAN_STA_* */
56 : u16 capability;
57 : u16 listen_interval; /* or beacon_int for APs */
58 : u8 supported_rates[WLAN_SUPP_RATES_MAX];
59 : int supported_rates_len;
60 : u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
61 :
62 : #ifdef CONFIG_MESH
63 : enum mesh_plink_state plink_state;
64 : u16 peer_lid;
65 : u16 my_lid;
66 : u16 mpm_close_reason;
67 : int mpm_retries;
68 : u8 my_nonce[32];
69 : u8 peer_nonce[32];
70 : u8 aek[32]; /* SHA256 digest length */
71 : u8 mtk[16];
72 : u8 mgtk[16];
73 : u8 sae_auth_retry;
74 : #endif /* CONFIG_MESH */
75 :
76 : unsigned int nonerp_set:1;
77 : unsigned int no_short_slot_time_set:1;
78 : unsigned int no_short_preamble_set:1;
79 : unsigned int no_ht_gf_set:1;
80 : unsigned int no_ht_set:1;
81 : unsigned int ht40_intolerant_set:1;
82 : unsigned int ht_20mhz_set:1;
83 : unsigned int no_p2p_set:1;
84 : unsigned int qos_map_enabled:1;
85 : unsigned int remediation:1;
86 : unsigned int hs20_deauth_requested:1;
87 : unsigned int session_timeout_set:1;
88 : unsigned int radius_das_match:1;
89 :
90 : u16 auth_alg;
91 :
92 : enum {
93 : STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
94 : STA_DISASSOC_FROM_CLI
95 : } timeout_next;
96 :
97 : u16 deauth_reason;
98 : u16 disassoc_reason;
99 :
100 : /* IEEE 802.1X related data */
101 : struct eapol_state_machine *eapol_sm;
102 :
103 : u32 acct_session_id_hi;
104 : u32 acct_session_id_lo;
105 : struct os_reltime acct_session_start;
106 : int acct_session_started;
107 : int acct_terminate_cause; /* Acct-Terminate-Cause */
108 : int acct_interim_interval; /* Acct-Interim-Interval */
109 :
110 : unsigned long last_rx_bytes;
111 : unsigned long last_tx_bytes;
112 : u32 acct_input_gigawords; /* Acct-Input-Gigawords */
113 : u32 acct_output_gigawords; /* Acct-Output-Gigawords */
114 :
115 : u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
116 :
117 : struct wpa_state_machine *wpa_sm;
118 : struct rsn_preauth_interface *preauth_iface;
119 :
120 : int vlan_id; /* 0: none, >0: VID */
121 : int vlan_id_bound; /* updated by ap_sta_bind_vlan() */
122 : /* PSKs from RADIUS authentication server */
123 : struct hostapd_sta_wpa_psk_short *psk;
124 :
125 : char *identity; /* User-Name from RADIUS */
126 : char *radius_cui; /* Chargeable-User-Identity from RADIUS */
127 :
128 : struct ieee80211_ht_capabilities *ht_capabilities;
129 : struct ieee80211_vht_capabilities *vht_capabilities;
130 : u8 vht_opmode;
131 :
132 : #ifdef CONFIG_IEEE80211W
133 : int sa_query_count; /* number of pending SA Query requests;
134 : * 0 = no SA Query in progress */
135 : int sa_query_timed_out;
136 : u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
137 : * sa_query_count octets of pending SA Query
138 : * transaction identifiers */
139 : struct os_reltime sa_query_start;
140 : #endif /* CONFIG_IEEE80211W */
141 :
142 : #ifdef CONFIG_INTERWORKING
143 : #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
144 : struct gas_dialog_info *gas_dialog;
145 : u8 gas_dialog_next;
146 : #endif /* CONFIG_INTERWORKING */
147 :
148 : struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
149 : struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
150 : struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
151 : u8 remediation_method;
152 : char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */
153 : struct wpabuf *hs20_deauth_req;
154 : char *hs20_session_info_url;
155 : int hs20_disassoc_timer;
156 : #ifdef CONFIG_FST
157 : struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */
158 : #endif /* CONFIG_FST */
159 :
160 : struct os_reltime connected_time;
161 :
162 : #ifdef CONFIG_SAE
163 : struct sae_data *sae;
164 : #endif /* CONFIG_SAE */
165 :
166 : u32 session_timeout; /* valid only if session_timeout_set == 1 */
167 :
168 : /* Last Authentication/(Re)Association Request/Action frame sequence
169 : * control */
170 : u16 last_seq_ctrl;
171 : /* Last Authentication/(Re)Association Request/Action frame subtype */
172 : u8 last_subtype;
173 : };
174 :
175 :
176 : /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
177 : * passed since last received frame from the station, a nullfunc data frame is
178 : * sent to the station. If this frame is not acknowledged and no other frames
179 : * have been received, the station will be disassociated after
180 : * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
181 : * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
182 : #define AP_MAX_INACTIVITY (5 * 60)
183 : #define AP_DISASSOC_DELAY (1)
184 : #define AP_DEAUTH_DELAY (1)
185 : /* Number of seconds to keep STA entry with Authenticated flag after it has
186 : * been disassociated. */
187 : #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
188 : /* Number of seconds to keep STA entry after it has been deauthenticated. */
189 : #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
190 :
191 :
192 : struct hostapd_data;
193 :
194 : int ap_for_each_sta(struct hostapd_data *hapd,
195 : int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
196 : void *ctx),
197 : void *ctx);
198 : struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
199 : struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr);
200 : void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
201 : void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
202 : void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta);
203 : void hostapd_free_stas(struct hostapd_data *hapd);
204 : void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
205 : void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
206 : u32 session_timeout);
207 : void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
208 : u32 session_timeout);
209 : void ap_sta_no_session_timeout(struct hostapd_data *hapd,
210 : struct sta_info *sta);
211 : void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
212 : struct sta_info *sta, int warning_time);
213 : struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
214 : void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
215 : u16 reason);
216 : void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
217 : u16 reason);
218 : #ifdef CONFIG_WPS
219 : int ap_sta_wps_cancel(struct hostapd_data *hapd,
220 : struct sta_info *sta, void *ctx);
221 : #endif /* CONFIG_WPS */
222 : int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta);
223 : void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
224 : void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
225 : int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
226 : void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
227 : const u8 *addr, u16 reason);
228 :
229 : void ap_sta_set_authorized(struct hostapd_data *hapd,
230 : struct sta_info *sta, int authorized);
231 0 : static inline int ap_sta_is_authorized(struct sta_info *sta)
232 : {
233 0 : return sta->flags & WLAN_STA_AUTHORIZED;
234 : }
235 :
236 : void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
237 : void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
238 :
239 : int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen);
240 :
241 : #endif /* STA_INFO_H */
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