2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/defs.h"
13 #include "ap_config.h"
15 struct wpa_driver_ops;
17 struct radius_server_data;
18 struct upnp_wps_device_sm;
21 struct hostap_sta_driver_data;
22 struct ieee80211_ht_capabilities;
23 struct full_dynamic_vlan;
28 struct hostapd_dynamic_iface;
30 struct hapd_interfaces {
31 int (*reload_config)(struct hostapd_iface *iface);
32 struct hostapd_config * (*config_read_cb)(const char *config_fname);
33 int (*ctrl_iface_init)(struct hostapd_data *hapd);
34 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
35 int (*for_each_interface)(struct hapd_interfaces *interfaces,
36 int (*cb)(struct hostapd_iface *iface,
37 void *ctx), void *ctx);
38 int (*driver_init)(struct hostapd_iface *iface);
43 char *global_iface_path;
44 char *global_iface_name;
45 gid_t ctrl_iface_group;
46 struct hostapd_iface **iface;
47 struct hostapd_dynamic_iface **dynamic_iface;
49 size_t terminate_on_error;
52 enum hostapd_chan_status {
53 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
54 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
55 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
58 struct hostapd_probereq_cb {
59 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
60 const u8 *ie, size_t ie_len, int ssi_signal);
64 #define HOSTAPD_RATE_BASIC 0x00000001
66 struct hostapd_rate_data {
67 int rate; /* rate in 100 kbps */
68 int flags; /* HOSTAPD_RATE_ flags */
71 struct hostapd_frame_info {
74 int ssi_signal; /* dBm */
78 WPS_STATUS_SUCCESS = 1,
83 WPS_PBC_STATUS_DISABLE,
84 WPS_PBC_STATUS_ACTIVE,
85 WPS_PBC_STATUS_TIMEOUT,
86 WPS_PBC_STATUS_OVERLAP
90 enum wps_status status;
91 enum wps_error_indication failure_reason;
92 enum pbc_status pbc_status;
93 u8 peer_addr[ETH_ALEN];
98 * struct hostapd_data - hostapd per-BSS data structure
100 struct hostapd_data {
101 struct hostapd_iface *iface;
102 struct hostapd_config *iconf;
103 struct hostapd_bss_config *conf;
104 int interface_added; /* virtual interface added for this BSS */
105 unsigned int started:1;
107 u8 own_addr[ETH_ALEN];
109 int num_sta; /* number of entries in sta_list */
110 struct sta_info *sta_list; /* STA info list head */
111 #define STA_HASH_SIZE 256
112 #define STA_HASH(sta) (sta[5])
113 struct sta_info *sta_hash[STA_HASH_SIZE];
116 * Bitfield for indicating which AIDs are allocated. Only AID values
117 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
120 #define AID_WORDS ((2008 + 31) / 32)
121 u32 sta_aid[AID_WORDS];
123 const struct wpa_driver_ops *driver;
126 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
127 struct sta_info *sta, int reassoc);
129 void *msg_ctx; /* ctx for wpa_msg() calls */
130 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
132 struct radius_client_data *radius;
133 u32 acct_session_id_hi, acct_session_id_lo;
134 struct radius_das_data *radius_das;
136 struct iapp_data *iapp;
138 struct hostapd_cached_radius_acl *acl_cache;
139 struct hostapd_acl_query_data *acl_queries;
141 struct wpa_authenticator *wpa_auth;
142 struct eapol_authenticator *eapol_auth;
144 struct rsn_preauth_interface *preauth_iface;
145 time_t michael_mic_failure;
146 int michael_mic_failures;
147 int tkip_countermeasures;
150 struct wpa_ctrl_dst *ctrl_dst;
153 void *eap_sim_db_priv;
154 struct radius_server_data *radius_srv;
156 int parameter_set_count;
158 /* Time Advertisement */
159 u8 time_update_counter;
160 struct wpabuf *time_adv;
162 #ifdef CONFIG_FULL_DYNAMIC_VLAN
163 struct full_dynamic_vlan *full_dynamic_vlan;
164 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
166 struct l2_packet_data *l2;
167 struct wps_context *wps;
170 struct wpabuf *wps_beacon_ie;
171 struct wpabuf *wps_probe_resp_ie;
173 unsigned int ap_pin_failures;
174 unsigned int ap_pin_failures_consecutive;
175 struct upnp_wps_device_sm *wps_upnp;
176 unsigned int ap_pin_lockout_time;
178 struct wps_stat wps_stats;
179 #endif /* CONFIG_WPS */
181 struct hostapd_probereq_cb *probereq_cb;
182 size_t num_probereq_cb;
184 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
186 void *public_action_cb_ctx;
187 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
189 void *public_action_cb2_ctx;
191 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
193 void *vendor_action_cb_ctx;
195 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
197 void *wps_reg_success_cb_ctx;
199 void (*wps_event_cb)(void *ctx, enum wps_event event,
200 union wps_event_data *data);
201 void *wps_event_cb_ctx;
203 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
204 int authorized, const u8 *p2p_dev_addr);
205 void *sta_authorized_cb_ctx;
207 void (*setup_complete_cb)(void *ctx);
208 void *setup_complete_cb_ctx;
210 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
211 const u8 *p2p_dev_addr, const u8 *psk,
213 void *new_psk_cb_ctx;
216 struct p2p_data *p2p;
217 struct p2p_group *p2p_group;
218 struct wpabuf *p2p_beacon_ie;
219 struct wpabuf *p2p_probe_resp_ie;
221 /* Number of non-P2P association stations */
224 /* Periodic NoA (used only when no non-P2P clients in the group) */
228 #endif /* CONFIG_P2P */
229 #ifdef CONFIG_INTERWORKING
230 size_t gas_frag_limit;
231 #endif /* CONFIG_INTERWORKING */
234 struct hostapd_eap_user tmp_eap_user;
235 #endif /* CONFIG_SQLITE */
238 /** Key used for generating SAE anti-clogging tokens */
240 os_time_t last_sae_token_key_update;
241 #endif /* CONFIG_SAE */
246 * struct hostapd_iface - hostapd per-interface data structure
248 struct hostapd_iface {
249 struct hapd_interfaces *interfaces;
252 struct hostapd_config *conf;
253 char phy[16]; /* Name of the PHY (radio) */
255 enum hostapd_iface_state {
256 HAPD_IFACE_UNINITIALIZED,
258 HAPD_IFACE_COUNTRY_UPDATE,
266 struct hostapd_data **bss;
268 unsigned int wait_channel_update:1;
269 unsigned int cac_started:1;
271 int num_ap; /* number of entries in ap_list */
272 struct ap_info *ap_list; /* AP info list head */
273 struct ap_info *ap_hash[STA_HASH_SIZE];
275 unsigned int drv_flags;
278 * A bitmap of supported protocols for probe response offload. See
279 * struct wpa_driver_capa in driver.h
281 unsigned int probe_resp_offloads;
283 /* extended capabilities supported by the driver */
284 const u8 *extended_capa, *extended_capa_mask;
285 unsigned int extended_capa_len;
287 unsigned int drv_max_acl_mac_addrs;
289 struct hostapd_hw_modes *hw_features;
291 struct hostapd_hw_modes *current_mode;
292 /* Rates that are currently used (i.e., filtered copy of
293 * current_mode->channels */
295 struct hostapd_rate_data *current_rates;
301 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
305 /* Number of associated stations that do not support Short Slot Time */
306 int num_sta_no_short_slot_time;
308 /* Number of associated stations that do not support Short Preamble */
309 int num_sta_no_short_preamble;
311 int olbc; /* Overlapping Legacy BSS Condition */
313 /* Number of HT associated stations that do not support greenfield */
314 int num_sta_ht_no_gf;
316 /* Number of associated non-HT stations */
319 /* Number of HT associated stations 20 MHz */
320 int num_sta_ht_20mhz;
322 /* Overlapping BSS information */
327 /* surveying helpers */
329 /* number of channels surveyed */
330 unsigned int chans_surveyed;
332 /* lowest observed noise floor in dBm */
336 unsigned int acs_num_completed_scans;
337 #endif /* CONFIG_ACS */
339 void (*scan_cb)(struct hostapd_iface *iface);
343 * struct hostapd_dynamic_iface - hostapd per dynamically allocated
344 * or added interface data structure
346 struct hostapd_dynamic_iface {
347 char parent[IFNAMSIZ + 1];
348 char iface[IFNAMSIZ + 1];
353 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
354 int (*cb)(struct hostapd_iface *iface,
355 void *ctx), void *ctx);
356 int hostapd_reload_config(struct hostapd_iface *iface);
357 struct hostapd_data *
358 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
359 struct hostapd_config *conf,
360 struct hostapd_bss_config *bss);
361 int hostapd_setup_interface(struct hostapd_iface *iface);
362 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
363 void hostapd_interface_deinit(struct hostapd_iface *iface);
364 void hostapd_interface_free(struct hostapd_iface *iface);
365 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
366 const char *config_file);
367 struct hostapd_iface *
368 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
369 const char *config_fname, int debug);
370 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
372 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
373 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
374 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
375 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
376 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
377 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
378 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
379 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
380 const char * hostapd_state_text(enum hostapd_iface_state s);
383 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
384 int (*cb)(void *ctx, const u8 *sa,
385 const u8 *da, const u8 *bssid,
386 const u8 *ie, size_t ie_len,
389 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
391 /* drv_callbacks.c (TODO: move to somewhere else?) */
392 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
393 const u8 *ie, size_t ielen, int reassoc);
394 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
395 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
396 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
397 const u8 *addr, int reason_code);
398 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
399 const u8 *bssid, const u8 *ie, size_t ie_len,
401 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
404 const struct hostapd_eap_user *
405 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
406 size_t identity_len, int phase2);
408 #endif /* HOSTAPD_H */