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];
102 struct hostapd_neighbor_entry {
105 struct wpa_ssid_value ssid;
108 struct wpabuf *civic;
109 /* LCI update time */
110 struct os_time lci_date;
114 * struct hostapd_data - hostapd per-BSS data structure
116 struct hostapd_data {
117 struct hostapd_iface *iface;
118 struct hostapd_config *iconf;
119 struct hostapd_bss_config *conf;
120 int interface_added; /* virtual interface added for this BSS */
121 unsigned int started:1;
122 unsigned int disabled:1;
123 unsigned int reenable_beacon:1;
125 u8 own_addr[ETH_ALEN];
127 int num_sta; /* number of entries in sta_list */
128 struct sta_info *sta_list; /* STA info list head */
129 #define STA_HASH_SIZE 256
130 #define STA_HASH(sta) (sta[5])
131 struct sta_info *sta_hash[STA_HASH_SIZE];
134 * Bitfield for indicating which AIDs are allocated. Only AID values
135 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
138 #define AID_WORDS ((2008 + 31) / 32)
139 u32 sta_aid[AID_WORDS];
141 const struct wpa_driver_ops *driver;
144 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
145 struct sta_info *sta, int reassoc);
147 void *msg_ctx; /* ctx for wpa_msg() calls */
148 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
150 struct radius_client_data *radius;
152 struct radius_das_data *radius_das;
154 struct iapp_data *iapp;
156 struct hostapd_cached_radius_acl *acl_cache;
157 struct hostapd_acl_query_data *acl_queries;
159 struct wpa_authenticator *wpa_auth;
160 struct eapol_authenticator *eapol_auth;
162 struct rsn_preauth_interface *preauth_iface;
163 struct os_reltime michael_mic_failure;
164 int michael_mic_failures;
165 int tkip_countermeasures;
168 struct dl_list ctrl_dst;
171 void *eap_sim_db_priv;
172 struct radius_server_data *radius_srv;
173 struct dl_list erp_keys; /* struct eap_server_erp_key */
175 int parameter_set_count;
177 /* Time Advertisement */
178 u8 time_update_counter;
179 struct wpabuf *time_adv;
181 #ifdef CONFIG_FULL_DYNAMIC_VLAN
182 struct full_dynamic_vlan *full_dynamic_vlan;
183 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
185 struct l2_packet_data *l2;
186 struct wps_context *wps;
189 struct wpabuf *wps_beacon_ie;
190 struct wpabuf *wps_probe_resp_ie;
192 unsigned int ap_pin_failures;
193 unsigned int ap_pin_failures_consecutive;
194 struct upnp_wps_device_sm *wps_upnp;
195 unsigned int ap_pin_lockout_time;
197 struct wps_stat wps_stats;
198 #endif /* CONFIG_WPS */
200 struct hostapd_probereq_cb *probereq_cb;
201 size_t num_probereq_cb;
203 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
205 void *public_action_cb_ctx;
206 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
208 void *public_action_cb2_ctx;
210 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
212 void *vendor_action_cb_ctx;
214 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
216 void *wps_reg_success_cb_ctx;
218 void (*wps_event_cb)(void *ctx, enum wps_event event,
219 union wps_event_data *data);
220 void *wps_event_cb_ctx;
222 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
223 int authorized, const u8 *p2p_dev_addr);
224 void *sta_authorized_cb_ctx;
226 void (*setup_complete_cb)(void *ctx);
227 void *setup_complete_cb_ctx;
229 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
230 const u8 *p2p_dev_addr, const u8 *psk,
232 void *new_psk_cb_ctx;
234 /* channel switch parameters */
235 struct hostapd_freq_params cs_freq_params;
238 unsigned int cs_c_off_beacon;
239 unsigned int cs_c_off_proberesp;
241 unsigned int cs_c_off_ecsa_beacon;
242 unsigned int cs_c_off_ecsa_proberesp;
245 unsigned int bss_load_update_timeout;
248 struct p2p_data *p2p;
249 struct p2p_group *p2p_group;
250 struct wpabuf *p2p_beacon_ie;
251 struct wpabuf *p2p_probe_resp_ie;
253 /* Number of non-P2P association stations */
256 /* Periodic NoA (used only when no non-P2P clients in the group) */
260 #endif /* CONFIG_P2P */
261 #ifdef CONFIG_INTERWORKING
262 size_t gas_frag_limit;
263 #endif /* CONFIG_INTERWORKING */
264 #ifdef CONFIG_PROXYARP
265 struct l2_packet_data *sock_dhcp;
266 struct l2_packet_data *sock_ndisc;
267 #endif /* CONFIG_PROXYARP */
271 void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
272 struct sta_info *sta);
273 struct wpabuf *mesh_pending_auth;
274 struct os_reltime mesh_pending_auth_time;
275 u8 mesh_required_peer[ETH_ALEN];
276 #endif /* CONFIG_MESH */
279 struct hostapd_eap_user tmp_eap_user;
280 #endif /* CONFIG_SQLITE */
283 /** Key used for generating SAE anti-clogging tokens */
285 struct os_reltime last_sae_token_key_update;
286 int dot11RSNASAERetransPeriod; /* msec */
287 #endif /* CONFIG_SAE */
289 #ifdef CONFIG_TESTING_OPTIONS
290 unsigned int ext_mgmt_frame_handling:1;
291 unsigned int ext_eapol_frame_io:1;
293 struct l2_packet_data *l2_test;
294 #endif /* CONFIG_TESTING_OPTIONS */
297 unsigned int mbo_assoc_disallow;
298 #endif /* CONFIG_MBO */
300 struct dl_list nr_db;
303 unsigned int lci_req_active:1;
307 struct hostapd_sta_info {
310 struct os_reltime last_seen;
314 * struct hostapd_iface - hostapd per-interface data structure
316 struct hostapd_iface {
317 struct hapd_interfaces *interfaces;
320 struct hostapd_config *conf;
321 char phy[16]; /* Name of the PHY (radio) */
323 enum hostapd_iface_state {
324 HAPD_IFACE_UNINITIALIZED,
326 HAPD_IFACE_COUNTRY_UPDATE,
334 struct mesh_conf *mconf;
335 #endif /* CONFIG_MESH */
338 struct hostapd_data **bss;
340 unsigned int wait_channel_update:1;
341 unsigned int cac_started:1;
343 struct fst_iface *fst;
344 const struct wpabuf *fst_ies;
345 #endif /* CONFIG_FST */
348 * When set, indicates that the driver will handle the AP
349 * teardown: delete global keys, station keys, and stations.
351 unsigned int driver_ap_teardown:1;
354 * When set, indicates that this interface is part of list of
355 * interfaces that need to be started together (synchronously).
357 unsigned int need_to_start_in_sync:1;
359 /* Ready to start but waiting for other interfaces to become ready. */
360 unsigned int ready_to_start_in_sync:1;
362 int num_ap; /* number of entries in ap_list */
363 struct ap_info *ap_list; /* AP info list head */
364 struct ap_info *ap_hash[STA_HASH_SIZE];
368 /* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
369 unsigned int smps_modes;
372 * A bitmap of supported protocols for probe response offload. See
373 * struct wpa_driver_capa in driver.h
375 unsigned int probe_resp_offloads;
377 /* extended capabilities supported by the driver */
378 const u8 *extended_capa, *extended_capa_mask;
379 unsigned int extended_capa_len;
381 unsigned int drv_max_acl_mac_addrs;
383 struct hostapd_hw_modes *hw_features;
385 struct hostapd_hw_modes *current_mode;
386 /* Rates that are currently used (i.e., filtered copy of
387 * current_mode->channels */
389 struct hostapd_rate_data *current_rates;
395 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
399 /* Number of associated stations that do not support Short Slot Time */
400 int num_sta_no_short_slot_time;
402 /* Number of associated stations that do not support Short Preamble */
403 int num_sta_no_short_preamble;
405 int olbc; /* Overlapping Legacy BSS Condition */
407 /* Number of HT associated stations that do not support greenfield */
408 int num_sta_ht_no_gf;
410 /* Number of associated non-HT stations */
413 /* Number of HT associated stations 20 MHz */
414 int num_sta_ht_20mhz;
416 /* Number of HT40 intolerant stations */
417 int num_sta_ht40_intolerant;
419 /* Overlapping BSS information */
424 /* surveying helpers */
426 /* number of channels surveyed */
427 unsigned int chans_surveyed;
429 /* lowest observed noise floor in dBm */
432 /* channel utilization calculation */
433 u64 last_channel_time;
434 u64 last_channel_time_busy;
435 u8 channel_utilization;
437 /* eCSA IE will be added only if operating class is specified */
440 unsigned int dfs_cac_ms;
441 struct os_reltime dfs_cac_start;
443 /* Latched with the actual secondary channel information and will be
444 * used while juggling between HT20 and HT40 modes. */
448 unsigned int acs_num_completed_scans;
449 #endif /* CONFIG_ACS */
451 void (*scan_cb)(struct hostapd_iface *iface);
452 int num_ht40_scan_tries;
454 struct dl_list sta_seen; /* struct hostapd_sta_info */
455 unsigned int num_sta_seen;
459 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
460 int (*cb)(struct hostapd_iface *iface,
461 void *ctx), void *ctx);
462 int hostapd_reload_config(struct hostapd_iface *iface);
463 struct hostapd_data *
464 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
465 struct hostapd_config *conf,
466 struct hostapd_bss_config *bss);
467 int hostapd_setup_interface(struct hostapd_iface *iface);
468 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
469 void hostapd_interface_deinit(struct hostapd_iface *iface);
470 void hostapd_interface_free(struct hostapd_iface *iface);
471 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
472 const char *config_file);
473 struct hostapd_iface *
474 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
475 const char *config_fname, int debug);
476 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
478 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
479 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
480 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
481 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
482 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
483 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
484 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
485 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
486 const char * hostapd_state_text(enum hostapd_iface_state s);
487 int hostapd_csa_in_progress(struct hostapd_iface *iface);
488 int hostapd_switch_channel(struct hostapd_data *hapd,
489 struct csa_settings *settings);
491 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
492 const struct hostapd_freq_params *freq_params);
493 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
494 void hostapd_periodic_iface(struct hostapd_iface *iface);
497 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
498 int (*cb)(void *ctx, const u8 *sa,
499 const u8 *da, const u8 *bssid,
500 const u8 *ie, size_t ie_len,
503 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
505 /* drv_callbacks.c (TODO: move to somewhere else?) */
506 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
507 const u8 *ie, size_t ielen, int reassoc);
508 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
509 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
510 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
511 const u8 *addr, int reason_code);
512 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
513 const u8 *bssid, const u8 *ie, size_t ie_len,
515 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
516 int offset, int width, int cf1, int cf2);
517 struct survey_results;
518 void hostapd_event_get_survey(struct hostapd_iface *iface,
519 struct survey_results *survey_results);
520 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
521 struct acs_selected_channels *acs_res);
523 const struct hostapd_eap_user *
524 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
525 size_t identity_len, int phase2);
527 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
531 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
532 struct fst_wpa_obj *iface_obj);
533 #endif /* CONFIG_FST */
535 #endif /* HOSTAPD_H */