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1/*
2 * hostapd / Initialization and configuration
45cefa0b 3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
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5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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7 */
8
9#ifndef HOSTAPD_H
10#define HOSTAPD_H
11
45cefa0b 12#include "common/defs.h"
ee431d77 13#include "ap_config.h"
45cefa0b 14
c5121837 15struct wpa_driver_ops;
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16struct wpa_ctrl_dst;
17struct radius_server_data;
f620268f 18struct upnp_wps_device_sm;
bf65bc63 19struct hostapd_data;
45cefa0b 20struct sta_info;
a3d4fafa 21struct hostap_sta_driver_data;
2ce86d9d 22struct ieee80211_ht_capabilities;
6fc6879b 23struct full_dynamic_vlan;
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24enum wps_event;
25union wps_event_data;
6fc6879b 26
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27struct hostapd_iface;
28
07bcdbb1 29struct hapd_interfaces {
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30 int (*reload_config)(struct hostapd_iface *iface);
31 struct hostapd_config * (*config_read_cb)(const char *config_fname);
32 int (*ctrl_iface_init)(struct hostapd_data *hapd);
33 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
34 int (*for_each_interface)(struct hapd_interfaces *interfaces,
35 int (*cb)(struct hostapd_iface *iface,
36 void *ctx), void *ctx);
75545652 37 int (*driver_init)(struct hostapd_iface *iface);
3776ac73 38
07bcdbb1 39 size_t count;
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40 int global_ctrl_sock;
41 char *global_iface_path;
42 char *global_iface_name;
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43 struct hostapd_iface **iface;
44};
45
46
fa16028d 47struct hostapd_probereq_cb {
04a85e44 48 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
baf513d6 49 const u8 *ie, size_t ie_len, int ssi_signal);
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50 void *ctx;
51};
52
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53#define HOSTAPD_RATE_BASIC 0x00000001
54
55struct hostapd_rate_data {
56 int rate; /* rate in 100 kbps */
57 int flags; /* HOSTAPD_RATE_ flags */
58};
59
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60struct hostapd_frame_info {
61 u32 channel;
62 u32 datarate;
baf513d6 63 int ssi_signal; /* dBm */
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64};
65
fb7842aa 66
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67/**
68 * struct hostapd_data - hostapd per-BSS data structure
69 */
70struct hostapd_data {
71 struct hostapd_iface *iface;
72 struct hostapd_config *iconf;
73 struct hostapd_bss_config *conf;
74 int interface_added; /* virtual interface added for this BSS */
75
76 u8 own_addr[ETH_ALEN];
77
78 int num_sta; /* number of entries in sta_list */
79 struct sta_info *sta_list; /* STA info list head */
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80#define STA_HASH_SIZE 256
81#define STA_HASH(sta) (sta[5])
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82 struct sta_info *sta_hash[STA_HASH_SIZE];
83
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84 /*
85 * Bitfield for indicating which AIDs are allocated. Only AID values
86 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
87 * 1.
6fc6879b 88 */
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89#define AID_WORDS ((2008 + 31) / 32)
90 u32 sta_aid[AID_WORDS];
6fc6879b 91
c5121837 92 const struct wpa_driver_ops *driver;
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93 void *drv_priv;
94
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95 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
96 struct sta_info *sta, int reassoc);
97
4f760fcc 98 void *msg_ctx; /* ctx for wpa_msg() calls */
8a5e75f6 99 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
4f760fcc 100
6fc6879b 101 struct radius_client_data *radius;
6fc6879b 102 u32 acct_session_id_hi, acct_session_id_lo;
b031338c 103 struct radius_das_data *radius_das;
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104
105 struct iapp_data *iapp;
106
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107 struct hostapd_cached_radius_acl *acl_cache;
108 struct hostapd_acl_query_data *acl_queries;
109
110 struct wpa_authenticator *wpa_auth;
111 struct eapol_authenticator *eapol_auth;
112
113 struct rsn_preauth_interface *preauth_iface;
114 time_t michael_mic_failure;
115 int michael_mic_failures;
116 int tkip_countermeasures;
117
118 int ctrl_sock;
119 struct wpa_ctrl_dst *ctrl_dst;
120
121 void *ssl_ctx;
122 void *eap_sim_db_priv;
123 struct radius_server_data *radius_srv;
124
125 int parameter_set_count;
126
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127 /* Time Advertisement */
128 u8 time_update_counter;
129 struct wpabuf *time_adv;
130
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131#ifdef CONFIG_FULL_DYNAMIC_VLAN
132 struct full_dynamic_vlan *full_dynamic_vlan;
133#endif /* CONFIG_FULL_DYNAMIC_VLAN */
134
135 struct l2_packet_data *l2;
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136 struct wps_context *wps;
137
bc45d427 138 int beacon_set_done;
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139 struct wpabuf *wps_beacon_ie;
140 struct wpabuf *wps_probe_resp_ie;
84312359 141#ifdef CONFIG_WPS
3b2cf800 142 unsigned int ap_pin_failures;
32cdcf15 143 unsigned int ap_pin_failures_consecutive;
f620268f 144 struct upnp_wps_device_sm *wps_upnp;
94481410 145 unsigned int ap_pin_lockout_time;
ad08c363 146#endif /* CONFIG_WPS */
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147
148 struct hostapd_probereq_cb *probereq_cb;
149 size_t num_probereq_cb;
195420b8 150
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151 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
152 int freq);
153 void *public_action_cb_ctx;
154
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155 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
156 int freq);
157 void *vendor_action_cb_ctx;
158
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159 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
160 const u8 *uuid_e);
161 void *wps_reg_success_cb_ctx;
c2af2afb 162
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163 void (*wps_event_cb)(void *ctx, enum wps_event event,
164 union wps_event_data *data);
165 void *wps_event_cb_ctx;
166
0661eed2 167 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
fbdcfd57 168 int authorized, const u8 *p2p_dev_addr);
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169 void *sta_authorized_cb_ctx;
170
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171 void (*setup_complete_cb)(void *ctx);
172 void *setup_complete_cb_ctx;
173
c2af2afb 174#ifdef CONFIG_P2P
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175 struct p2p_data *p2p;
176 struct p2p_group *p2p_group;
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177 struct wpabuf *p2p_beacon_ie;
178 struct wpabuf *p2p_probe_resp_ie;
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179
180 /* Number of non-P2P association stations */
181 int num_sta_no_p2p;
182
183 /* Periodic NoA (used only when no non-P2P clients in the group) */
184 int noa_enabled;
185 int noa_start;
186 int noa_duration;
c2af2afb 187#endif /* CONFIG_P2P */
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188#ifdef CONFIG_INTERWORKING
189 size_t gas_frag_limit;
190#endif /* CONFIG_INTERWORKING */
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191
192#ifdef CONFIG_SQLITE
193 struct hostapd_eap_user tmp_eap_user;
194#endif /* CONFIG_SQLITE */
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195};
196
197
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198/**
199 * struct hostapd_iface - hostapd per-interface data structure
200 */
201struct hostapd_iface {
9969e5a4 202 struct hapd_interfaces *interfaces;
0f2b2c19 203 void *owner;
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204 char *config_fname;
205 struct hostapd_config *conf;
206
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207 size_t num_bss;
208 struct hostapd_data **bss;
209
210 int num_ap; /* number of entries in ap_list */
211 struct ap_info *ap_list; /* AP info list head */
212 struct ap_info *ap_hash[STA_HASH_SIZE];
213 struct ap_info *ap_iter_list;
214
2fee890a 215 unsigned int drv_flags;
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216
217 /*
218 * A bitmap of supported protocols for probe response offload. See
219 * struct wpa_driver_capa in driver.h
220 */
221 unsigned int probe_resp_offloads;
222
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223 struct hostapd_hw_modes *hw_features;
224 int num_hw_features;
225 struct hostapd_hw_modes *current_mode;
226 /* Rates that are currently used (i.e., filtered copy of
227 * current_mode->channels */
228 int num_rates;
229 struct hostapd_rate_data *current_rates;
e5693c47 230 int *basic_rates;
c706d5aa 231 int freq;
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232
233 u16 hw_flags;
234
235 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
236 * in 802.11g BSS) */
237 int num_sta_non_erp;
238
239 /* Number of associated stations that do not support Short Slot Time */
240 int num_sta_no_short_slot_time;
241
242 /* Number of associated stations that do not support Short Preamble */
243 int num_sta_no_short_preamble;
244
245 int olbc; /* Overlapping Legacy BSS Condition */
246
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247 /* Number of HT associated stations that do not support greenfield */
248 int num_sta_ht_no_gf;
249
250 /* Number of associated non-HT stations */
251 int num_sta_no_ht;
252
253 /* Number of HT associated stations 20 MHz */
254 int num_sta_ht_20mhz;
255
256 /* Overlapping BSS information */
257 int olbc_ht;
258
edd360e1 259 u16 ht_op_mode;
ad1e68e6 260 void (*scan_cb)(struct hostapd_iface *iface);
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261};
262
a4f21109 263/* hostapd.c */
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264int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
265 int (*cb)(struct hostapd_iface *iface,
266 void *ctx), void *ctx);
ad08c363 267int hostapd_reload_config(struct hostapd_iface *iface);
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268struct hostapd_data *
269hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
270 struct hostapd_config *conf,
271 struct hostapd_bss_config *bss);
5c333467 272int hostapd_setup_interface(struct hostapd_iface *iface);
ad1e68e6 273int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
5c333467 274void hostapd_interface_deinit(struct hostapd_iface *iface);
f7c47833 275void hostapd_interface_free(struct hostapd_iface *iface);
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276void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
277 int reassoc);
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278void hostapd_interface_deinit_free(struct hostapd_iface *iface);
279int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
280int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
281int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
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282int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
283int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
5c333467 284
a4f21109 285/* utils.c */
fa16028d 286int hostapd_register_probereq_cb(struct hostapd_data *hapd,
cd7d80f3 287 int (*cb)(void *ctx, const u8 *sa,
04a85e44 288 const u8 *da, const u8 *bssid,
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289 const u8 *ie, size_t ie_len,
290 int ssi_signal),
fa16028d 291 void *ctx);
0aef3ec8 292void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
fa16028d 293
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294/* drv_callbacks.c (TODO: move to somewhere else?) */
295int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
39b08b5f 296 const u8 *ie, size_t ielen, int reassoc);
1d041bec 297void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
0d7e5a3a 298void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
04a85e44 299int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
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300 const u8 *bssid, const u8 *ie, size_t ie_len,
301 int ssi_signal);
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302void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
303 int offset);
1d041bec 304
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305const struct hostapd_eap_user *
306hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
307 size_t identity_len, int phase2);
308
6fc6879b 309#endif /* HOSTAPD_H */