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 : #include "common/wpa_common.h"
16 : #endif /* CONFIG_MESH */
17 :
18 : #include "list.h"
19 : #include "vlan.h"
20 :
21 : /* STA flags */
22 : #define WLAN_STA_AUTH BIT(0)
23 : #define WLAN_STA_ASSOC BIT(1)
24 : #define WLAN_STA_AUTHORIZED BIT(5)
25 : #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
26 : #define WLAN_STA_SHORT_PREAMBLE BIT(7)
27 : #define WLAN_STA_PREAUTH BIT(8)
28 : #define WLAN_STA_WMM BIT(9)
29 : #define WLAN_STA_MFP BIT(10)
30 : #define WLAN_STA_HT BIT(11)
31 : #define WLAN_STA_WPS BIT(12)
32 : #define WLAN_STA_MAYBE_WPS BIT(13)
33 : #define WLAN_STA_WDS BIT(14)
34 : #define WLAN_STA_ASSOC_REQ_OK BIT(15)
35 : #define WLAN_STA_WPS2 BIT(16)
36 : #define WLAN_STA_GAS BIT(17)
37 : #define WLAN_STA_VHT BIT(18)
38 : #define WLAN_STA_WNM_SLEEP_MODE BIT(19)
39 : #define WLAN_STA_VHT_OPMODE_ENABLED BIT(20)
40 : #define WLAN_STA_VENDOR_VHT BIT(21)
41 : #define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
42 : #define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
43 : #define WLAN_STA_NONERP BIT(31)
44 :
45 : /* Maximum number of supported rates (from both Supported Rates and Extended
46 : * Supported Rates IEs). */
47 : #define WLAN_SUPP_RATES_MAX 32
48 :
49 :
50 : struct mbo_non_pref_chan_info {
51 : struct mbo_non_pref_chan_info *next;
52 : u8 op_class;
53 : u8 pref;
54 : u8 reason_code;
55 : u8 num_channels;
56 : u8 channels[];
57 : };
58 :
59 : struct pending_eapol_rx {
60 : struct wpabuf *buf;
61 : struct os_reltime rx_time;
62 : };
63 :
64 : struct sta_info {
65 : struct sta_info *next; /* next entry in sta list */
66 : struct sta_info *hnext; /* next entry in hash table list */
67 : u8 addr[6];
68 : be32 ipaddr;
69 : struct dl_list ip6addr; /* list head for struct ip6addr */
70 : u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
71 : u32 flags; /* Bitfield of WLAN_STA_* */
72 : u16 capability;
73 : u16 listen_interval; /* or beacon_int for APs */
74 : u8 supported_rates[WLAN_SUPP_RATES_MAX];
75 : int supported_rates_len;
76 : u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
77 :
78 : #ifdef CONFIG_MESH
79 : enum mesh_plink_state plink_state;
80 : u16 peer_lid;
81 : u16 my_lid;
82 : u16 peer_aid;
83 : u16 mpm_close_reason;
84 : int mpm_retries;
85 : u8 my_nonce[WPA_NONCE_LEN];
86 : u8 peer_nonce[WPA_NONCE_LEN];
87 : u8 aek[32]; /* SHA256 digest length */
88 : u8 mtk[WPA_TK_MAX_LEN];
89 : size_t mtk_len;
90 : u8 mgtk_rsc[6];
91 : u8 mgtk_key_id;
92 : u8 mgtk[WPA_TK_MAX_LEN];
93 : size_t mgtk_len;
94 : u8 igtk_rsc[6];
95 : u8 igtk[WPA_TK_MAX_LEN];
96 : size_t igtk_len;
97 : u16 igtk_key_id;
98 : u8 sae_auth_retry;
99 : #endif /* CONFIG_MESH */
100 :
101 : unsigned int nonerp_set:1;
102 : unsigned int no_short_slot_time_set:1;
103 : unsigned int no_short_preamble_set:1;
104 : unsigned int no_ht_gf_set:1;
105 : unsigned int no_ht_set:1;
106 : unsigned int ht40_intolerant_set:1;
107 : unsigned int ht_20mhz_set:1;
108 : unsigned int no_p2p_set:1;
109 : unsigned int qos_map_enabled:1;
110 : unsigned int remediation:1;
111 : unsigned int hs20_deauth_requested:1;
112 : unsigned int session_timeout_set:1;
113 : unsigned int radius_das_match:1;
114 : unsigned int ecsa_supported:1;
115 : unsigned int added_unassoc:1;
116 :
117 : u16 auth_alg;
118 :
119 : enum {
120 : STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
121 : STA_DISASSOC_FROM_CLI
122 : } timeout_next;
123 :
124 : u16 deauth_reason;
125 : u16 disassoc_reason;
126 :
127 : /* IEEE 802.1X related data */
128 : struct eapol_state_machine *eapol_sm;
129 :
130 : struct pending_eapol_rx *pending_eapol_rx;
131 :
132 : u64 acct_session_id;
133 : struct os_reltime acct_session_start;
134 : int acct_session_started;
135 : int acct_terminate_cause; /* Acct-Terminate-Cause */
136 : int acct_interim_interval; /* Acct-Interim-Interval */
137 : unsigned int acct_interim_errors;
138 :
139 : /* For extending 32-bit driver counters to 64-bit counters */
140 : u32 last_rx_bytes_hi;
141 : u32 last_rx_bytes_lo;
142 : u32 last_tx_bytes_hi;
143 : u32 last_tx_bytes_lo;
144 :
145 : u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
146 :
147 : struct wpa_state_machine *wpa_sm;
148 : struct rsn_preauth_interface *preauth_iface;
149 :
150 : int vlan_id; /* 0: none, >0: VID */
151 : struct vlan_description *vlan_desc;
152 : int vlan_id_bound; /* updated by ap_sta_bind_vlan() */
153 : /* PSKs from RADIUS authentication server */
154 : struct hostapd_sta_wpa_psk_short *psk;
155 :
156 : char *identity; /* User-Name from RADIUS */
157 : char *radius_cui; /* Chargeable-User-Identity from RADIUS */
158 :
159 : struct ieee80211_ht_capabilities *ht_capabilities;
160 : struct ieee80211_vht_capabilities *vht_capabilities;
161 : u8 vht_opmode;
162 :
163 : #ifdef CONFIG_IEEE80211W
164 : int sa_query_count; /* number of pending SA Query requests;
165 : * 0 = no SA Query in progress */
166 : int sa_query_timed_out;
167 : u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
168 : * sa_query_count octets of pending SA Query
169 : * transaction identifiers */
170 : struct os_reltime sa_query_start;
171 : #endif /* CONFIG_IEEE80211W */
172 :
173 : #ifdef CONFIG_INTERWORKING
174 : #define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
175 : struct gas_dialog_info *gas_dialog;
176 : u8 gas_dialog_next;
177 : #endif /* CONFIG_INTERWORKING */
178 :
179 : struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
180 : struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
181 : struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
182 : u8 remediation_method;
183 : char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */
184 : struct wpabuf *hs20_deauth_req;
185 : char *hs20_session_info_url;
186 : int hs20_disassoc_timer;
187 : #ifdef CONFIG_FST
188 : struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */
189 : #endif /* CONFIG_FST */
190 :
191 : struct os_reltime connected_time;
192 :
193 : #ifdef CONFIG_SAE
194 : struct sae_data *sae;
195 : unsigned int mesh_sae_pmksa_caching:1;
196 : #endif /* CONFIG_SAE */
197 :
198 : u32 session_timeout; /* valid only if session_timeout_set == 1 */
199 :
200 : /* Last Authentication/(Re)Association Request/Action frame sequence
201 : * control */
202 : u16 last_seq_ctrl;
203 : /* Last Authentication/(Re)Association Request/Action frame subtype */
204 : u8 last_subtype;
205 :
206 : #ifdef CONFIG_MBO
207 : u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise,
208 : * enum mbo_cellular_capa values */
209 : struct mbo_non_pref_chan_info *non_pref_chan;
210 : #endif /* CONFIG_MBO */
211 :
212 : u8 *supp_op_classes; /* Supported Operating Classes element, if
213 : * received, starting from the Length field */
214 :
215 : u8 rrm_enabled_capa[5];
216 :
217 : #ifdef CONFIG_TAXONOMY
218 : struct wpabuf *probe_ie_taxonomy;
219 : struct wpabuf *assoc_ie_taxonomy;
220 : #endif /* CONFIG_TAXONOMY */
221 : };
222 :
223 :
224 : /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
225 : * passed since last received frame from the station, a nullfunc data frame is
226 : * sent to the station. If this frame is not acknowledged and no other frames
227 : * have been received, the station will be disassociated after
228 : * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
229 : * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
230 : #define AP_MAX_INACTIVITY (5 * 60)
231 : #define AP_DISASSOC_DELAY (3)
232 : #define AP_DEAUTH_DELAY (1)
233 : /* Number of seconds to keep STA entry with Authenticated flag after it has
234 : * been disassociated. */
235 : #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
236 : /* Number of seconds to keep STA entry after it has been deauthenticated. */
237 : #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
238 :
239 :
240 : struct hostapd_data;
241 :
242 : int ap_for_each_sta(struct hostapd_data *hapd,
243 : int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
244 : void *ctx),
245 : void *ctx);
246 : struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
247 : struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr);
248 : void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
249 : void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
250 : void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta);
251 : void hostapd_free_stas(struct hostapd_data *hapd);
252 : void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
253 : void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
254 : u32 session_timeout);
255 : void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
256 : u32 session_timeout);
257 : void ap_sta_no_session_timeout(struct hostapd_data *hapd,
258 : struct sta_info *sta);
259 : void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
260 : struct sta_info *sta, int warning_time);
261 : struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
262 : void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
263 : u16 reason);
264 : void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
265 : u16 reason);
266 : #ifdef CONFIG_WPS
267 : int ap_sta_wps_cancel(struct hostapd_data *hapd,
268 : struct sta_info *sta, void *ctx);
269 : #endif /* CONFIG_WPS */
270 : int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta);
271 : int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta,
272 : struct vlan_description *vlan_desc);
273 : void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
274 : void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
275 : int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
276 : void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
277 : const u8 *addr, u16 reason);
278 :
279 : void ap_sta_set_authorized(struct hostapd_data *hapd,
280 : struct sta_info *sta, int authorized);
281 0 : static inline int ap_sta_is_authorized(struct sta_info *sta)
282 : {
283 0 : return sta->flags & WLAN_STA_AUTHORIZED;
284 : }
285 :
286 : void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
287 : void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
288 : void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd,
289 : struct sta_info *sta);
290 :
291 : int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen);
292 :
293 : #endif /* STA_INFO_H */
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