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 */
56 int eloop_initialized;
59 enum hostapd_chan_status {
60 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
61 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
62 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
65 struct hostapd_probereq_cb {
66 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
67 const u8 *ie, size_t ie_len, int ssi_signal);
71 #define HOSTAPD_RATE_BASIC 0x00000001
73 struct hostapd_rate_data {
74 int rate; /* rate in 100 kbps */
75 int flags; /* HOSTAPD_RATE_ flags */
78 struct hostapd_frame_info {
81 int ssi_signal; /* dBm */
85 WPS_STATUS_SUCCESS = 1,
90 WPS_PBC_STATUS_DISABLE,
91 WPS_PBC_STATUS_ACTIVE,
92 WPS_PBC_STATUS_TIMEOUT,
93 WPS_PBC_STATUS_OVERLAP
97 enum wps_status status;
98 enum wps_error_indication failure_reason;
99 enum pbc_status pbc_status;
100 u8 peer_addr[ETH_ALEN];
103 struct hostapd_neighbor_entry {
106 struct wpa_ssid_value ssid;
109 struct wpabuf *civic;
110 /* LCI update time */
111 struct os_time lci_date;
115 * struct hostapd_data - hostapd per-BSS data structure
117 struct hostapd_data {
118 struct hostapd_iface *iface;
119 struct hostapd_config *iconf;
120 struct hostapd_bss_config *conf;
121 int interface_added; /* virtual interface added for this BSS */
122 unsigned int started:1;
123 unsigned int disabled:1;
124 unsigned int reenable_beacon:1;
126 u8 own_addr[ETH_ALEN];
128 int num_sta; /* number of entries in sta_list */
129 struct sta_info *sta_list; /* STA info list head */
130 #define STA_HASH_SIZE 256
131 #define STA_HASH(sta) (sta[5])
132 struct sta_info *sta_hash[STA_HASH_SIZE];
135 * Bitfield for indicating which AIDs are allocated. Only AID values
136 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
139 #define AID_WORDS ((2008 + 31) / 32)
140 u32 sta_aid[AID_WORDS];
142 const struct wpa_driver_ops *driver;
145 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
146 struct sta_info *sta, int reassoc);
148 void *msg_ctx; /* ctx for wpa_msg() calls */
149 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
151 struct radius_client_data *radius;
153 struct radius_das_data *radius_das;
155 struct iapp_data *iapp;
157 struct hostapd_cached_radius_acl *acl_cache;
158 struct hostapd_acl_query_data *acl_queries;
160 struct wpa_authenticator *wpa_auth;
161 struct eapol_authenticator *eapol_auth;
163 struct rsn_preauth_interface *preauth_iface;
164 struct os_reltime michael_mic_failure;
165 int michael_mic_failures;
166 int tkip_countermeasures;
169 struct dl_list ctrl_dst;
172 void *eap_sim_db_priv;
173 struct radius_server_data *radius_srv;
174 struct dl_list erp_keys; /* struct eap_server_erp_key */
176 int parameter_set_count;
178 /* Time Advertisement */
179 u8 time_update_counter;
180 struct wpabuf *time_adv;
182 #ifdef CONFIG_FULL_DYNAMIC_VLAN
183 struct full_dynamic_vlan *full_dynamic_vlan;
184 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
186 struct l2_packet_data *l2;
187 struct wps_context *wps;
190 struct wpabuf *wps_beacon_ie;
191 struct wpabuf *wps_probe_resp_ie;
193 unsigned int ap_pin_failures;
194 unsigned int ap_pin_failures_consecutive;
195 struct upnp_wps_device_sm *wps_upnp;
196 unsigned int ap_pin_lockout_time;
198 struct wps_stat wps_stats;
199 #endif /* CONFIG_WPS */
201 struct hostapd_probereq_cb *probereq_cb;
202 size_t num_probereq_cb;
204 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
206 void *public_action_cb_ctx;
207 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
209 void *public_action_cb2_ctx;
211 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
213 void *vendor_action_cb_ctx;
215 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
217 void *wps_reg_success_cb_ctx;
219 void (*wps_event_cb)(void *ctx, enum wps_event event,
220 union wps_event_data *data);
221 void *wps_event_cb_ctx;
223 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
224 int authorized, const u8 *p2p_dev_addr);
225 void *sta_authorized_cb_ctx;
227 void (*setup_complete_cb)(void *ctx);
228 void *setup_complete_cb_ctx;
230 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
231 const u8 *p2p_dev_addr, const u8 *psk,
233 void *new_psk_cb_ctx;
235 /* channel switch parameters */
236 struct hostapd_freq_params cs_freq_params;
239 unsigned int cs_c_off_beacon;
240 unsigned int cs_c_off_proberesp;
242 unsigned int cs_c_off_ecsa_beacon;
243 unsigned int cs_c_off_ecsa_proberesp;
246 unsigned int bss_load_update_timeout;
249 struct p2p_data *p2p;
250 struct p2p_group *p2p_group;
251 struct wpabuf *p2p_beacon_ie;
252 struct wpabuf *p2p_probe_resp_ie;
254 /* Number of non-P2P association stations */
257 /* Periodic NoA (used only when no non-P2P clients in the group) */
261 #endif /* CONFIG_P2P */
262 #ifdef CONFIG_INTERWORKING
263 size_t gas_frag_limit;
264 #endif /* CONFIG_INTERWORKING */
265 #ifdef CONFIG_PROXYARP
266 struct l2_packet_data *sock_dhcp;
267 struct l2_packet_data *sock_ndisc;
268 #endif /* CONFIG_PROXYARP */
272 void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
273 struct sta_info *sta);
274 struct wpabuf *mesh_pending_auth;
275 struct os_reltime mesh_pending_auth_time;
276 u8 mesh_required_peer[ETH_ALEN];
277 #endif /* CONFIG_MESH */
280 struct hostapd_eap_user tmp_eap_user;
281 #endif /* CONFIG_SQLITE */
284 /** Key used for generating SAE anti-clogging tokens */
286 struct os_reltime last_sae_token_key_update;
287 int dot11RSNASAERetransPeriod; /* msec */
288 #endif /* CONFIG_SAE */
290 #ifdef CONFIG_TESTING_OPTIONS
291 unsigned int ext_mgmt_frame_handling:1;
292 unsigned int ext_eapol_frame_io:1;
294 struct l2_packet_data *l2_test;
295 #endif /* CONFIG_TESTING_OPTIONS */
298 unsigned int mbo_assoc_disallow;
299 #endif /* CONFIG_MBO */
301 struct dl_list nr_db;
305 unsigned int lci_req_active:1;
306 unsigned int range_req_active:1;
310 struct hostapd_sta_info {
313 struct os_reltime last_seen;
314 #ifdef CONFIG_TAXONOMY
315 struct wpabuf *probe_ie_taxonomy;
316 #endif /* CONFIG_TAXONOMY */
320 * struct hostapd_iface - hostapd per-interface data structure
322 struct hostapd_iface {
323 struct hapd_interfaces *interfaces;
326 struct hostapd_config *conf;
327 char phy[16]; /* Name of the PHY (radio) */
329 enum hostapd_iface_state {
330 HAPD_IFACE_UNINITIALIZED,
332 HAPD_IFACE_COUNTRY_UPDATE,
340 struct mesh_conf *mconf;
341 #endif /* CONFIG_MESH */
344 struct hostapd_data **bss;
346 unsigned int wait_channel_update:1;
347 unsigned int cac_started:1;
349 struct fst_iface *fst;
350 const struct wpabuf *fst_ies;
351 #endif /* CONFIG_FST */
354 * When set, indicates that the driver will handle the AP
355 * teardown: delete global keys, station keys, and stations.
357 unsigned int driver_ap_teardown:1;
360 * When set, indicates that this interface is part of list of
361 * interfaces that need to be started together (synchronously).
363 unsigned int need_to_start_in_sync:1;
365 /* Ready to start but waiting for other interfaces to become ready. */
366 unsigned int ready_to_start_in_sync:1;
368 int num_ap; /* number of entries in ap_list */
369 struct ap_info *ap_list; /* AP info list head */
370 struct ap_info *ap_hash[STA_HASH_SIZE];
374 /* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
375 unsigned int smps_modes;
378 * A bitmap of supported protocols for probe response offload. See
379 * struct wpa_driver_capa in driver.h
381 unsigned int probe_resp_offloads;
383 /* extended capabilities supported by the driver */
384 const u8 *extended_capa, *extended_capa_mask;
385 unsigned int extended_capa_len;
387 unsigned int drv_max_acl_mac_addrs;
389 struct hostapd_hw_modes *hw_features;
391 struct hostapd_hw_modes *current_mode;
392 /* Rates that are currently used (i.e., filtered copy of
393 * current_mode->channels */
395 struct hostapd_rate_data *current_rates;
401 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
405 /* Number of associated stations that do not support Short Slot Time */
406 int num_sta_no_short_slot_time;
408 /* Number of associated stations that do not support Short Preamble */
409 int num_sta_no_short_preamble;
411 int olbc; /* Overlapping Legacy BSS Condition */
413 /* Number of HT associated stations that do not support greenfield */
414 int num_sta_ht_no_gf;
416 /* Number of associated non-HT stations */
419 /* Number of HT associated stations 20 MHz */
420 int num_sta_ht_20mhz;
422 /* Number of HT40 intolerant stations */
423 int num_sta_ht40_intolerant;
425 /* Overlapping BSS information */
430 /* surveying helpers */
432 /* number of channels surveyed */
433 unsigned int chans_surveyed;
435 /* lowest observed noise floor in dBm */
438 /* channel utilization calculation */
439 u64 last_channel_time;
440 u64 last_channel_time_busy;
441 u8 channel_utilization;
443 /* eCSA IE will be added only if operating class is specified */
446 unsigned int dfs_cac_ms;
447 struct os_reltime dfs_cac_start;
449 /* Latched with the actual secondary channel information and will be
450 * used while juggling between HT20 and HT40 modes. */
454 unsigned int acs_num_completed_scans;
455 #endif /* CONFIG_ACS */
457 void (*scan_cb)(struct hostapd_iface *iface);
458 int num_ht40_scan_tries;
460 struct dl_list sta_seen; /* struct hostapd_sta_info */
461 unsigned int num_sta_seen;
465 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
466 int (*cb)(struct hostapd_iface *iface,
467 void *ctx), void *ctx);
468 int hostapd_reload_config(struct hostapd_iface *iface);
469 struct hostapd_data *
470 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
471 struct hostapd_config *conf,
472 struct hostapd_bss_config *bss);
473 int hostapd_setup_interface(struct hostapd_iface *iface);
474 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
475 void hostapd_interface_deinit(struct hostapd_iface *iface);
476 void hostapd_interface_free(struct hostapd_iface *iface);
477 struct hostapd_iface * hostapd_alloc_iface(void);
478 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
479 const char *config_file);
480 struct hostapd_iface *
481 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
482 const char *config_fname, int debug);
483 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
485 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
486 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
487 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
488 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
489 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
490 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
491 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
492 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
493 const char * hostapd_state_text(enum hostapd_iface_state s);
494 int hostapd_csa_in_progress(struct hostapd_iface *iface);
495 int hostapd_switch_channel(struct hostapd_data *hapd,
496 struct csa_settings *settings);
498 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
499 const struct hostapd_freq_params *freq_params);
500 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
501 void hostapd_periodic_iface(struct hostapd_iface *iface);
504 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
505 int (*cb)(void *ctx, const u8 *sa,
506 const u8 *da, const u8 *bssid,
507 const u8 *ie, size_t ie_len,
510 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
512 /* drv_callbacks.c (TODO: move to somewhere else?) */
513 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
514 const u8 *ie, size_t ielen, int reassoc);
515 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
516 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
517 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
518 const u8 *addr, int reason_code);
519 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
520 const u8 *bssid, const u8 *ie, size_t ie_len,
522 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
523 int offset, int width, int cf1, int cf2);
524 struct survey_results;
525 void hostapd_event_get_survey(struct hostapd_iface *iface,
526 struct survey_results *survey_results);
527 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
528 struct acs_selected_channels *acs_res);
530 const struct hostapd_eap_user *
531 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
532 size_t identity_len, int phase2);
534 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
538 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
539 struct fst_wpa_obj *iface_obj);
540 #endif /* CONFIG_FST */
542 #endif /* HOSTAPD_H */