2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2014, 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 "utils/list.h"
14 #include "ap_config.h"
15 #include "drivers/driver.h"
18 struct radius_server_data;
19 struct upnp_wps_device_sm;
22 struct ieee80211_ht_capabilities;
23 struct full_dynamic_vlan;
28 #endif /* CONFIG_MESH */
32 struct hapd_interfaces {
33 int (*reload_config)(struct hostapd_iface *iface);
34 struct hostapd_config * (*config_read_cb)(const char *config_fname);
35 int (*ctrl_iface_init)(struct hostapd_data *hapd);
36 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
37 int (*for_each_interface)(struct hapd_interfaces *interfaces,
38 int (*cb)(struct hostapd_iface *iface,
39 void *ctx), void *ctx);
40 int (*driver_init)(struct hostapd_iface *iface);
44 struct dl_list global_ctrl_dst;
45 char *global_iface_path;
46 char *global_iface_name;
47 #ifndef CONFIG_NATIVE_WINDOWS
48 gid_t ctrl_iface_group;
49 #endif /* CONFIG_NATIVE_WINDOWS */
50 struct hostapd_iface **iface;
52 size_t terminate_on_error;
53 #ifndef CONFIG_NO_VLAN
54 struct dynamic_iface *vlan_priv;
55 #endif /* CONFIG_NO_VLAN */
58 enum hostapd_chan_status {
59 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
60 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
61 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
64 struct hostapd_probereq_cb {
65 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
66 const u8 *ie, size_t ie_len, int ssi_signal);
70 #define HOSTAPD_RATE_BASIC 0x00000001
72 struct hostapd_rate_data {
73 int rate; /* rate in 100 kbps */
74 int flags; /* HOSTAPD_RATE_ flags */
77 struct hostapd_frame_info {
80 int ssi_signal; /* dBm */
84 WPS_STATUS_SUCCESS = 1,
89 WPS_PBC_STATUS_DISABLE,
90 WPS_PBC_STATUS_ACTIVE,
91 WPS_PBC_STATUS_TIMEOUT,
92 WPS_PBC_STATUS_OVERLAP
96 enum wps_status status;
97 enum wps_error_indication failure_reason;
98 enum pbc_status pbc_status;
99 u8 peer_addr[ETH_ALEN];
104 * struct hostapd_data - hostapd per-BSS data structure
106 struct hostapd_data {
107 struct hostapd_iface *iface;
108 struct hostapd_config *iconf;
109 struct hostapd_bss_config *conf;
110 int interface_added; /* virtual interface added for this BSS */
111 unsigned int started:1;
112 unsigned int disabled:1;
113 unsigned int reenable_beacon:1;
115 u8 own_addr[ETH_ALEN];
117 int num_sta; /* number of entries in sta_list */
118 struct sta_info *sta_list; /* STA info list head */
119 #define STA_HASH_SIZE 256
120 #define STA_HASH(sta) (sta[5])
121 struct sta_info *sta_hash[STA_HASH_SIZE];
124 * Bitfield for indicating which AIDs are allocated. Only AID values
125 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
128 #define AID_WORDS ((2008 + 31) / 32)
129 u32 sta_aid[AID_WORDS];
131 const struct wpa_driver_ops *driver;
134 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
135 struct sta_info *sta, int reassoc);
137 void *msg_ctx; /* ctx for wpa_msg() calls */
138 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
140 struct radius_client_data *radius;
142 struct radius_das_data *radius_das;
144 struct iapp_data *iapp;
146 struct hostapd_cached_radius_acl *acl_cache;
147 struct hostapd_acl_query_data *acl_queries;
149 struct wpa_authenticator *wpa_auth;
150 struct eapol_authenticator *eapol_auth;
152 struct rsn_preauth_interface *preauth_iface;
153 struct os_reltime michael_mic_failure;
154 int michael_mic_failures;
155 int tkip_countermeasures;
158 struct dl_list ctrl_dst;
161 void *eap_sim_db_priv;
162 struct radius_server_data *radius_srv;
163 struct dl_list erp_keys; /* struct eap_server_erp_key */
165 int parameter_set_count;
167 /* Time Advertisement */
168 u8 time_update_counter;
169 struct wpabuf *time_adv;
171 #ifdef CONFIG_FULL_DYNAMIC_VLAN
172 struct full_dynamic_vlan *full_dynamic_vlan;
173 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
175 struct l2_packet_data *l2;
176 struct wps_context *wps;
179 struct wpabuf *wps_beacon_ie;
180 struct wpabuf *wps_probe_resp_ie;
182 unsigned int ap_pin_failures;
183 unsigned int ap_pin_failures_consecutive;
184 struct upnp_wps_device_sm *wps_upnp;
185 unsigned int ap_pin_lockout_time;
187 struct wps_stat wps_stats;
188 #endif /* CONFIG_WPS */
190 struct hostapd_probereq_cb *probereq_cb;
191 size_t num_probereq_cb;
193 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
195 void *public_action_cb_ctx;
196 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
198 void *public_action_cb2_ctx;
200 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
202 void *vendor_action_cb_ctx;
204 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
206 void *wps_reg_success_cb_ctx;
208 void (*wps_event_cb)(void *ctx, enum wps_event event,
209 union wps_event_data *data);
210 void *wps_event_cb_ctx;
212 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
213 int authorized, const u8 *p2p_dev_addr);
214 void *sta_authorized_cb_ctx;
216 void (*setup_complete_cb)(void *ctx);
217 void *setup_complete_cb_ctx;
219 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
220 const u8 *p2p_dev_addr, const u8 *psk,
222 void *new_psk_cb_ctx;
224 /* channel switch parameters */
225 struct hostapd_freq_params cs_freq_params;
228 unsigned int cs_c_off_beacon;
229 unsigned int cs_c_off_proberesp;
231 unsigned int cs_c_off_ecsa_beacon;
232 unsigned int cs_c_off_ecsa_proberesp;
235 unsigned int bss_load_update_timeout;
238 struct p2p_data *p2p;
239 struct p2p_group *p2p_group;
240 struct wpabuf *p2p_beacon_ie;
241 struct wpabuf *p2p_probe_resp_ie;
243 /* Number of non-P2P association stations */
246 /* Periodic NoA (used only when no non-P2P clients in the group) */
250 #endif /* CONFIG_P2P */
251 #ifdef CONFIG_INTERWORKING
252 size_t gas_frag_limit;
253 #endif /* CONFIG_INTERWORKING */
254 #ifdef CONFIG_PROXYARP
255 struct l2_packet_data *sock_dhcp;
256 struct l2_packet_data *sock_ndisc;
257 #endif /* CONFIG_PROXYARP */
261 void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
262 struct sta_info *sta);
263 struct wpabuf *mesh_pending_auth;
264 struct os_reltime mesh_pending_auth_time;
265 #endif /* CONFIG_MESH */
268 struct hostapd_eap_user tmp_eap_user;
269 #endif /* CONFIG_SQLITE */
272 /** Key used for generating SAE anti-clogging tokens */
274 struct os_reltime last_sae_token_key_update;
275 int dot11RSNASAERetransPeriod; /* msec */
276 #endif /* CONFIG_SAE */
278 #ifdef CONFIG_TESTING_OPTIONS
279 unsigned int ext_mgmt_frame_handling:1;
280 unsigned int ext_eapol_frame_io:1;
282 struct l2_packet_data *l2_test;
283 #endif /* CONFIG_TESTING_OPTIONS */
286 unsigned int mbo_assoc_disallow;
287 #endif /* CONFIG_MBO */
291 struct hostapd_sta_info {
294 struct os_reltime last_seen;
298 * struct hostapd_iface - hostapd per-interface data structure
300 struct hostapd_iface {
301 struct hapd_interfaces *interfaces;
304 struct hostapd_config *conf;
305 char phy[16]; /* Name of the PHY (radio) */
307 enum hostapd_iface_state {
308 HAPD_IFACE_UNINITIALIZED,
310 HAPD_IFACE_COUNTRY_UPDATE,
318 struct mesh_conf *mconf;
319 #endif /* CONFIG_MESH */
322 struct hostapd_data **bss;
324 unsigned int wait_channel_update:1;
325 unsigned int cac_started:1;
327 struct fst_iface *fst;
328 const struct wpabuf *fst_ies;
329 #endif /* CONFIG_FST */
332 * When set, indicates that the driver will handle the AP
333 * teardown: delete global keys, station keys, and stations.
335 unsigned int driver_ap_teardown:1;
338 * When set, indicates that this interface is part of list of
339 * interfaces that need to be started together (synchronously).
341 unsigned int need_to_start_in_sync:1;
343 /* Ready to start but waiting for other interfaces to become ready. */
344 unsigned int ready_to_start_in_sync:1;
346 int num_ap; /* number of entries in ap_list */
347 struct ap_info *ap_list; /* AP info list head */
348 struct ap_info *ap_hash[STA_HASH_SIZE];
352 /* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
353 unsigned int smps_modes;
356 * A bitmap of supported protocols for probe response offload. See
357 * struct wpa_driver_capa in driver.h
359 unsigned int probe_resp_offloads;
361 /* extended capabilities supported by the driver */
362 const u8 *extended_capa, *extended_capa_mask;
363 unsigned int extended_capa_len;
365 unsigned int drv_max_acl_mac_addrs;
367 struct hostapd_hw_modes *hw_features;
369 struct hostapd_hw_modes *current_mode;
370 /* Rates that are currently used (i.e., filtered copy of
371 * current_mode->channels */
373 struct hostapd_rate_data *current_rates;
379 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
383 /* Number of associated stations that do not support Short Slot Time */
384 int num_sta_no_short_slot_time;
386 /* Number of associated stations that do not support Short Preamble */
387 int num_sta_no_short_preamble;
389 int olbc; /* Overlapping Legacy BSS Condition */
391 /* Number of HT associated stations that do not support greenfield */
392 int num_sta_ht_no_gf;
394 /* Number of associated non-HT stations */
397 /* Number of HT associated stations 20 MHz */
398 int num_sta_ht_20mhz;
400 /* Number of HT40 intolerant stations */
401 int num_sta_ht40_intolerant;
403 /* Overlapping BSS information */
408 /* surveying helpers */
410 /* number of channels surveyed */
411 unsigned int chans_surveyed;
413 /* lowest observed noise floor in dBm */
416 /* channel utilization calculation */
417 u64 last_channel_time;
418 u64 last_channel_time_busy;
419 u8 channel_utilization;
421 /* eCSA IE will be added only if operating class is specified */
424 unsigned int dfs_cac_ms;
425 struct os_reltime dfs_cac_start;
427 /* Latched with the actual secondary channel information and will be
428 * used while juggling between HT20 and HT40 modes. */
432 unsigned int acs_num_completed_scans;
433 #endif /* CONFIG_ACS */
435 void (*scan_cb)(struct hostapd_iface *iface);
436 int num_ht40_scan_tries;
438 struct dl_list sta_seen; /* struct hostapd_sta_info */
439 unsigned int num_sta_seen;
443 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
444 int (*cb)(struct hostapd_iface *iface,
445 void *ctx), void *ctx);
446 int hostapd_reload_config(struct hostapd_iface *iface);
447 struct hostapd_data *
448 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
449 struct hostapd_config *conf,
450 struct hostapd_bss_config *bss);
451 int hostapd_setup_interface(struct hostapd_iface *iface);
452 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
453 void hostapd_interface_deinit(struct hostapd_iface *iface);
454 void hostapd_interface_free(struct hostapd_iface *iface);
455 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
456 const char *config_file);
457 struct hostapd_iface *
458 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
459 const char *config_fname, int debug);
460 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
462 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
463 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
464 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
465 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
466 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
467 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
468 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
469 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
470 const char * hostapd_state_text(enum hostapd_iface_state s);
471 int hostapd_csa_in_progress(struct hostapd_iface *iface);
472 int hostapd_switch_channel(struct hostapd_data *hapd,
473 struct csa_settings *settings);
475 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
476 const struct hostapd_freq_params *freq_params);
477 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
478 void hostapd_periodic_iface(struct hostapd_iface *iface);
481 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
482 int (*cb)(void *ctx, const u8 *sa,
483 const u8 *da, const u8 *bssid,
484 const u8 *ie, size_t ie_len,
487 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
489 /* drv_callbacks.c (TODO: move to somewhere else?) */
490 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
491 const u8 *ie, size_t ielen, int reassoc);
492 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
493 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
494 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
495 const u8 *addr, int reason_code);
496 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
497 const u8 *bssid, const u8 *ie, size_t ie_len,
499 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
500 int offset, int width, int cf1, int cf2);
501 struct survey_results;
502 void hostapd_event_get_survey(struct hostapd_iface *iface,
503 struct survey_results *survey_results);
504 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
505 struct acs_selected_channels *acs_res);
507 const struct hostapd_eap_user *
508 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
509 size_t identity_len, int phase2);
511 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
515 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
516 struct fst_wpa_obj *iface_obj);
517 #endif /* CONFIG_FST */
519 #endif /* HOSTAPD_H */