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"
14 #include "drivers/driver.h"
17 struct radius_server_data;
18 struct upnp_wps_device_sm;
21 struct ieee80211_ht_capabilities;
22 struct full_dynamic_vlan;
28 struct hapd_interfaces {
29 int (*reload_config)(struct hostapd_iface *iface);
30 struct hostapd_config * (*config_read_cb)(const char *config_fname);
31 int (*ctrl_iface_init)(struct hostapd_data *hapd);
32 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
33 int (*for_each_interface)(struct hapd_interfaces *interfaces,
34 int (*cb)(struct hostapd_iface *iface,
35 void *ctx), void *ctx);
36 int (*driver_init)(struct hostapd_iface *iface);
40 char *global_iface_path;
41 char *global_iface_name;
42 #ifndef CONFIG_NATIVE_WINDOWS
43 gid_t ctrl_iface_group;
44 #endif /* CONFIG_NATIVE_WINDOWS */
45 struct hostapd_iface **iface;
47 size_t terminate_on_error;
50 enum hostapd_chan_status {
51 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
52 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
53 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
56 struct hostapd_probereq_cb {
57 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
58 const u8 *ie, size_t ie_len, int ssi_signal);
62 #define HOSTAPD_RATE_BASIC 0x00000001
64 struct hostapd_rate_data {
65 int rate; /* rate in 100 kbps */
66 int flags; /* HOSTAPD_RATE_ flags */
69 struct hostapd_frame_info {
72 int ssi_signal; /* dBm */
76 WPS_STATUS_SUCCESS = 1,
81 WPS_PBC_STATUS_DISABLE,
82 WPS_PBC_STATUS_ACTIVE,
83 WPS_PBC_STATUS_TIMEOUT,
84 WPS_PBC_STATUS_OVERLAP
88 enum wps_status status;
89 enum wps_error_indication failure_reason;
90 enum pbc_status pbc_status;
91 u8 peer_addr[ETH_ALEN];
96 * struct hostapd_data - hostapd per-BSS data structure
99 struct hostapd_iface *iface;
100 struct hostapd_config *iconf;
101 struct hostapd_bss_config *conf;
102 int interface_added; /* virtual interface added for this BSS */
103 unsigned int started:1;
105 u8 own_addr[ETH_ALEN];
107 int num_sta; /* number of entries in sta_list */
108 struct sta_info *sta_list; /* STA info list head */
109 #define STA_HASH_SIZE 256
110 #define STA_HASH(sta) (sta[5])
111 struct sta_info *sta_hash[STA_HASH_SIZE];
114 * Bitfield for indicating which AIDs are allocated. Only AID values
115 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
118 #define AID_WORDS ((2008 + 31) / 32)
119 u32 sta_aid[AID_WORDS];
121 const struct wpa_driver_ops *driver;
124 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
125 struct sta_info *sta, int reassoc);
127 void *msg_ctx; /* ctx for wpa_msg() calls */
128 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
130 struct radius_client_data *radius;
131 u32 acct_session_id_hi, acct_session_id_lo;
132 struct radius_das_data *radius_das;
134 struct iapp_data *iapp;
136 struct hostapd_cached_radius_acl *acl_cache;
137 struct hostapd_acl_query_data *acl_queries;
139 struct wpa_authenticator *wpa_auth;
140 struct eapol_authenticator *eapol_auth;
142 struct rsn_preauth_interface *preauth_iface;
143 struct os_reltime michael_mic_failure;
144 int michael_mic_failures;
145 int tkip_countermeasures;
148 struct wpa_ctrl_dst *ctrl_dst;
151 void *eap_sim_db_priv;
152 struct radius_server_data *radius_srv;
154 int parameter_set_count;
156 /* Time Advertisement */
157 u8 time_update_counter;
158 struct wpabuf *time_adv;
160 #ifdef CONFIG_FULL_DYNAMIC_VLAN
161 struct full_dynamic_vlan *full_dynamic_vlan;
162 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
164 struct l2_packet_data *l2;
165 struct wps_context *wps;
168 struct wpabuf *wps_beacon_ie;
169 struct wpabuf *wps_probe_resp_ie;
171 unsigned int ap_pin_failures;
172 unsigned int ap_pin_failures_consecutive;
173 struct upnp_wps_device_sm *wps_upnp;
174 unsigned int ap_pin_lockout_time;
176 struct wps_stat wps_stats;
177 #endif /* CONFIG_WPS */
179 struct hostapd_probereq_cb *probereq_cb;
180 size_t num_probereq_cb;
182 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
184 void *public_action_cb_ctx;
185 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
187 void *public_action_cb2_ctx;
189 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
191 void *vendor_action_cb_ctx;
193 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
195 void *wps_reg_success_cb_ctx;
197 void (*wps_event_cb)(void *ctx, enum wps_event event,
198 union wps_event_data *data);
199 void *wps_event_cb_ctx;
201 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
202 int authorized, const u8 *p2p_dev_addr);
203 void *sta_authorized_cb_ctx;
205 void (*setup_complete_cb)(void *ctx);
206 void *setup_complete_cb_ctx;
208 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
209 const u8 *p2p_dev_addr, const u8 *psk,
211 void *new_psk_cb_ctx;
214 struct p2p_data *p2p;
215 struct p2p_group *p2p_group;
216 struct wpabuf *p2p_beacon_ie;
217 struct wpabuf *p2p_probe_resp_ie;
219 /* Number of non-P2P association stations */
222 /* Periodic NoA (used only when no non-P2P clients in the group) */
226 #endif /* CONFIG_P2P */
227 #ifdef CONFIG_INTERWORKING
228 size_t gas_frag_limit;
229 #endif /* CONFIG_INTERWORKING */
232 struct hostapd_eap_user tmp_eap_user;
233 #endif /* CONFIG_SQLITE */
236 /** Key used for generating SAE anti-clogging tokens */
238 struct os_reltime last_sae_token_key_update;
239 #endif /* CONFIG_SAE */
241 #ifdef CONFIG_TESTING_OPTIONS
242 int ext_mgmt_frame_handling;
243 #endif /* CONFIG_TESTING_OPTIONS */
248 * struct hostapd_iface - hostapd per-interface data structure
250 struct hostapd_iface {
251 struct hapd_interfaces *interfaces;
254 struct hostapd_config *conf;
255 char phy[16]; /* Name of the PHY (radio) */
257 enum hostapd_iface_state {
258 HAPD_IFACE_UNINITIALIZED,
260 HAPD_IFACE_COUNTRY_UPDATE,
268 struct hostapd_data **bss;
270 unsigned int wait_channel_update:1;
271 unsigned int cac_started:1;
274 * When set, indicates that the driver will handle the AP
275 * teardown: delete global keys, station keys, and stations.
277 unsigned int driver_ap_teardown:1;
279 int num_ap; /* number of entries in ap_list */
280 struct ap_info *ap_list; /* AP info list head */
281 struct ap_info *ap_hash[STA_HASH_SIZE];
283 unsigned int drv_flags;
286 * A bitmap of supported protocols for probe response offload. See
287 * struct wpa_driver_capa in driver.h
289 unsigned int probe_resp_offloads;
291 /* extended capabilities supported by the driver */
292 const u8 *extended_capa, *extended_capa_mask;
293 unsigned int extended_capa_len;
295 unsigned int drv_max_acl_mac_addrs;
297 struct hostapd_hw_modes *hw_features;
299 struct hostapd_hw_modes *current_mode;
300 /* Rates that are currently used (i.e., filtered copy of
301 * current_mode->channels */
303 struct hostapd_rate_data *current_rates;
309 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
313 /* Number of associated stations that do not support Short Slot Time */
314 int num_sta_no_short_slot_time;
316 /* Number of associated stations that do not support Short Preamble */
317 int num_sta_no_short_preamble;
319 int olbc; /* Overlapping Legacy BSS Condition */
321 /* Number of HT associated stations that do not support greenfield */
322 int num_sta_ht_no_gf;
324 /* Number of associated non-HT stations */
327 /* Number of HT associated stations 20 MHz */
328 int num_sta_ht_20mhz;
330 /* Overlapping BSS information */
335 /* surveying helpers */
337 /* number of channels surveyed */
338 unsigned int chans_surveyed;
340 /* lowest observed noise floor in dBm */
343 /* channel switch parameters */
344 struct hostapd_freq_params cs_freq_params;
347 unsigned int cs_c_off_beacon;
348 unsigned int cs_c_off_proberesp;
351 unsigned int dfs_cac_ms;
352 struct os_reltime dfs_cac_start;
355 unsigned int acs_num_completed_scans;
356 #endif /* CONFIG_ACS */
358 void (*scan_cb)(struct hostapd_iface *iface);
362 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
363 int (*cb)(struct hostapd_iface *iface,
364 void *ctx), void *ctx);
365 int hostapd_reload_config(struct hostapd_iface *iface);
366 struct hostapd_data *
367 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
368 struct hostapd_config *conf,
369 struct hostapd_bss_config *bss);
370 int hostapd_setup_interface(struct hostapd_iface *iface);
371 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
372 void hostapd_interface_deinit(struct hostapd_iface *iface);
373 void hostapd_interface_free(struct hostapd_iface *iface);
374 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
375 const char *config_file);
376 struct hostapd_iface *
377 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
378 const char *config_fname, int debug);
379 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
381 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
382 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
383 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
384 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
385 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
386 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
387 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
388 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
389 const char * hostapd_state_text(enum hostapd_iface_state s);
390 int hostapd_switch_channel(struct hostapd_data *hapd,
391 struct csa_settings *settings);
392 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
395 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
396 int (*cb)(void *ctx, const u8 *sa,
397 const u8 *da, const u8 *bssid,
398 const u8 *ie, size_t ie_len,
401 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
403 /* drv_callbacks.c (TODO: move to somewhere else?) */
404 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
405 const u8 *ie, size_t ielen, int reassoc);
406 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
407 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
408 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
409 const u8 *addr, int reason_code);
410 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
411 const u8 *bssid, const u8 *ie, size_t ie_len,
413 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
414 int offset, int width, int cf1, int cf2);
416 const struct hostapd_eap_user *
417 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
418 size_t identity_len, int phase2);
420 #endif /* HOSTAPD_H */