2 * wpa_supplicant - Internal definitions
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
15 #ifndef WPA_SUPPLICANT_I_H
16 #define WPA_SUPPLICANT_I_H
18 #include "drivers/driver.h"
20 extern const char *wpa_supplicant_version;
21 extern const char *wpa_supplicant_license;
22 #ifndef CONFIG_NO_STDOUT_DEBUG
23 extern const char *wpa_supplicant_full_license1;
24 extern const char *wpa_supplicant_full_license2;
25 extern const char *wpa_supplicant_full_license3;
26 extern const char *wpa_supplicant_full_license4;
27 extern const char *wpa_supplicant_full_license5;
28 #endif /* CONFIG_NO_STDOUT_DEBUG */
30 extern struct wpa_driver_ops *wpa_supplicant_drivers[];
33 struct wpa_scan_result;
35 struct wpa_supplicant;
39 * Forward declarations of private structures used within the ctrl_iface
40 * backends. Other parts of wpa_supplicant do not have access to data stored in
43 struct ctrl_iface_priv;
44 struct ctrl_iface_global_priv;
45 struct ctrl_iface_dbus_priv;
48 * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
50 struct wpa_interface {
52 * confname - Configuration name (file or profile) name
54 * This can also be %NULL when a configuration file is not used. In
55 * that case, ctrl_interface must be set to allow the interface to be
61 * ctrl_interface - Control interface parameter
63 * If a configuration file is not used, this variable can be used to
64 * set the ctrl_interface parameter that would have otherwise been read
65 * from the configuration file. If both confname and ctrl_interface are
66 * set, ctrl_interface is used to override the value from configuration
69 const char *ctrl_interface;
72 * driver - Driver interface name, or %NULL to use the default driver
77 * driver_param - Driver interface parameters
79 * If a configuration file is not used, this variable can be used to
80 * set the driver_param parameters that would have otherwise been read
81 * from the configuration file. If both confname and driver_param are
82 * set, driver_param is used to override the value from configuration
85 const char *driver_param;
88 * ifname - Interface name
93 * bridge_ifname - Optional bridge interface name
95 * If the driver interface (ifname) is included in a Linux bridge
96 * device, the bridge interface may need to be used for receiving EAPOL
97 * frames. This can be enabled by setting this variable to enable
98 * receiving of EAPOL frames from an additional interface.
100 const char *bridge_ifname;
104 * struct wpa_params - Parameters for wpa_supplicant_init()
108 * daemonize - Run %wpa_supplicant in the background
113 * wait_for_monitor - Wait for a monitor program before starting
115 int wait_for_monitor;
118 * pid_file - Path to a PID (process ID) file
120 * If this and daemonize are set, process ID of the background process
121 * will be written to the specified file.
126 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
131 * wpa_debug_show_keys - Whether keying material is included in debug
133 * This parameter can be used to allow keying material to be included
134 * in debug messages. This is a security risk and this option should
135 * not be enabled in normal configuration. If needed during
136 * development or while troubleshooting, this option can provide more
137 * details for figuring out what is happening.
139 int wpa_debug_show_keys;
142 * wpa_debug_timestamp - Whether to include timestamp in debug messages
144 int wpa_debug_timestamp;
147 * ctrl_interface - Global ctrl_iface path/parameter
149 char *ctrl_interface;
152 * dbus_ctrl_interface - Enable the DBus control interface
154 int dbus_ctrl_interface;
157 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
159 const char *wpa_debug_file_path;
163 * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
165 * This structure is initialized by calling wpa_supplicant_init() when starting
169 struct wpa_supplicant *ifaces;
170 struct wpa_params params;
171 struct ctrl_iface_global_priv *ctrl_iface;
172 struct ctrl_iface_dbus_priv *dbus_ctrl_iface;
178 struct wpa_client_mlme {
179 #ifdef CONFIG_CLIENT_MLME
181 IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
182 IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
183 IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
185 u8 prev_bssid[ETH_ALEN];
190 u8 *extra_ie; /* to be added to the end of AssocReq */
192 u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
193 size_t extra_probe_ie_len;
194 wpa_key_mgmt key_mgmt;
196 /* The last AssocReq/Resp IEs */
197 u8 *assocreq_ies, *assocresp_ies;
198 size_t assocreq_ies_len, assocresp_ies_len;
200 int auth_tries, assoc_tries;
202 unsigned int ssid_set:1;
203 unsigned int bssid_set:1;
204 unsigned int prev_bssid_set:1;
205 unsigned int authenticated:1;
206 unsigned int associated:1;
207 unsigned int probereq_poll:1;
208 unsigned int use_protection:1;
209 unsigned int create_ibss:1;
210 unsigned int mixed_cell:1;
211 unsigned int wmm_enabled:1;
213 struct os_time last_probe;
215 #define IEEE80211_AUTH_ALG_OPEN BIT(0)
216 #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
217 #define IEEE80211_AUTH_ALG_LEAP BIT(2)
218 unsigned int auth_algs; /* bitfield of allowed auth algs */
219 int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
220 int auth_transaction;
222 struct os_time ibss_join_req;
223 u8 *probe_resp; /* ProbeResp template for IBSS */
224 size_t probe_resp_len;
227 int wmm_last_param_set;
230 int scan_hw_mode_idx;
231 int scan_channel_idx;
232 enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
233 struct os_time last_scan_completed;
234 int scan_oper_channel;
236 int scan_oper_phymode;
238 size_t scan_ssid_len;
241 struct ieee80211_sta_bss *sta_bss_list;
242 #define STA_HASH_SIZE 256
243 #define STA_HASH(sta) (sta[5])
244 struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
246 int cts_protect_erp_frames;
248 int phymode; /* current mode; WPA_MODE_IEEE80211A, .. */
249 struct wpa_hw_modes *modes;
251 unsigned int hw_modes; /* bitfield of allowed hardware modes;
254 struct wpa_rate_data *curr_rates;
255 int freq; /* The current frequency in MHz */
256 int channel; /* The current IEEE 802.11 channel number */
258 #ifdef CONFIG_IEEE80211R
262 #endif /* CONFIG_IEEE80211R */
264 #else /* CONFIG_CLIENT_MLME */
265 int dummy; /* to keep MSVC happy */
266 #endif /* CONFIG_CLIENT_MLME */
270 * struct wpa_supplicant - Internal data for wpa_supplicant interface
272 * This structure contains the internal data for core wpa_supplicant code. This
273 * should be only used directly from the core code. However, a pointer to this
274 * data is used from other files as an arbitrary context pointer in calls to
277 struct wpa_supplicant {
278 struct wpa_global *global;
279 struct wpa_supplicant *next;
280 struct l2_packet_data *l2;
281 struct l2_packet_data *l2_br;
282 unsigned char own_addr[ETH_ALEN];
284 #ifdef CONFIG_CTRL_IFACE_DBUS
286 #endif /* CONFIG_CTRL_IFACE_DBUS */
287 char bridge_ifname[16];
290 struct wpa_config *conf;
292 os_time_t last_michael_mic_error;
294 u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
295 * field contains the targer BSSID. */
296 int reassociate; /* reassociation requested */
297 int disconnected; /* all connections disabled; i.e., do no reassociate
298 * before this has been cleared */
299 struct wpa_ssid *current_ssid;
300 int ap_ies_from_associnfo;
302 /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
306 int mgmt_group_cipher;
308 void *drv_priv; /* private data used by driver_ops */
310 struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
311 * NULL = not yet initialized (start
312 * with broadcast SSID)
313 * BROADCAST_SSID_SCAN = broadcast
314 * SSID was used in the previous scan
316 #define BROADCAST_SSID_SCAN ((struct wpa_ssid *) 1)
318 struct wpa_scan_results *scan_res;
320 struct wpa_driver_ops *driver;
321 int interface_removed; /* whether the network interface has been
324 struct eapol_sm *eapol;
326 struct ctrl_iface_priv *ctrl_iface;
328 wpa_states wpa_state;
330 int reassociated_connection;
332 int eapol_received; /* number of EAPOL packets received after the
333 * previous association event */
335 struct scard_data *scard;
337 unsigned char last_eapol_src[ETH_ALEN];
341 struct wpa_blacklist *blacklist;
343 int scan_req; /* manual scan request; this forces a scan even if there
344 * are no enabled networks in the configuration */
345 int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
346 * results without a new scan request; this is used
347 * to speed up the first association if the driver
348 * has already available scan results. */
350 struct wpa_client_mlme mlme;
352 int driver_4way_handshake;
354 int pending_mic_error_report;
355 int pending_mic_error_pairwise;
356 int mic_errors_seen; /* Michael MIC errors with the current PTK */
358 struct wps_context *wps;
360 struct ibss_rsn *ibss_rsn;
364 /* wpa_supplicant.c */
365 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
367 const char * wpa_supplicant_state_txt(int state);
368 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
369 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
370 struct wpa_scan_res *bss,
371 struct wpa_ssid *ssid,
372 u8 *wpa_ie, size_t *wpa_ie_len);
373 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
374 struct wpa_scan_res *bss,
375 struct wpa_ssid *ssid);
376 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
377 struct wpa_ssid *ssid);
378 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
379 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
380 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
381 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
383 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
384 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
385 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
386 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
388 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
391 void wpa_show_license(void);
393 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
394 struct wpa_interface *iface);
395 int wpa_supplicant_remove_iface(struct wpa_global *global,
396 struct wpa_supplicant *wpa_s);
397 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
399 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
400 int wpa_supplicant_run(struct wpa_global *global);
401 void wpa_supplicant_deinit(struct wpa_global *global);
403 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
404 struct wpa_ssid *ssid);
407 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
408 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
411 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
414 static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
417 if (wpa_s->driver->init2)
418 return wpa_s->driver->init2(wpa_s, ifname, wpa_s->global);
419 if (wpa_s->driver->init) {
420 return wpa_s->driver->init(wpa_s, ifname);
425 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
427 if (wpa_s->driver->deinit)
428 wpa_s->driver->deinit(wpa_s->drv_priv);
431 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
434 if (wpa_s->driver->set_param)
435 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
439 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
442 if (wpa_s->driver->set_drop_unencrypted) {
443 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
449 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
452 if (wpa_s->driver->set_countermeasures) {
453 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
459 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
462 if (wpa_s->driver->set_auth_alg) {
463 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
469 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
471 if (wpa_s->driver->set_wpa) {
472 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
477 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
479 if (wpa_s->driver->set_mode) {
480 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
485 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
486 struct wpa_driver_associate_params *params)
488 if (wpa_s->driver->associate) {
489 return wpa_s->driver->associate(wpa_s->drv_priv, params);
494 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
497 if (wpa_s->driver->scan) {
498 return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
503 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
504 struct wpa_scan_result *results,
507 if (wpa_s->driver->get_scan_results) {
508 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
514 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
515 struct wpa_supplicant *wpa_s)
517 if (wpa_s->driver->get_scan_results2)
518 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
522 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
524 if (wpa_s->driver->get_bssid) {
525 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
530 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
532 if (wpa_s->driver->get_ssid) {
533 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
538 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
539 const u8 *addr, int key_idx, int set_tx,
540 const u8 *seq, size_t seq_len,
541 const u8 *key, size_t key_len)
543 if (wpa_s->driver->set_key) {
544 wpa_s->keys_cleared = 0;
545 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
546 key_idx, set_tx, seq, seq_len,
552 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
553 const u8 *addr, int reason_code)
555 if (wpa_s->driver->deauthenticate) {
556 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
562 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
563 const u8 *addr, int reason_code)
565 if (wpa_s->driver->disassociate) {
566 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
572 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
573 const u8 *bssid, const u8 *pmkid)
575 if (wpa_s->driver->add_pmkid) {
576 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
581 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
582 const u8 *bssid, const u8 *pmkid)
584 if (wpa_s->driver->remove_pmkid) {
585 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
591 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
593 if (wpa_s->driver->flush_pmkid) {
594 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
599 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
600 struct wpa_driver_capa *capa)
602 if (wpa_s->driver->get_capa) {
603 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
608 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
610 if (wpa_s->driver->poll) {
611 wpa_s->driver->poll(wpa_s->drv_priv);
615 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
617 if (wpa_s->driver->get_ifname) {
618 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
623 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
625 if (wpa_s->driver->get_mac_addr) {
626 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
631 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
632 const u8 *dst, u16 proto,
633 const u8 *data, size_t data_len)
635 if (wpa_s->driver->send_eapol)
636 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
641 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
644 if (wpa_s->driver->set_operstate)
645 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
649 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
650 const u8 *addr, int protect_type,
653 if (wpa_s->driver->mlme_setprotection)
654 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
660 static inline struct wpa_hw_modes *
661 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
664 if (wpa_s->driver->get_hw_feature_data)
665 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
670 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
671 wpa_hw_mode phymode, int chan,
674 if (wpa_s->driver->set_channel)
675 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
680 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
681 const u8 *ssid, size_t ssid_len)
683 if (wpa_s->driver->set_ssid) {
684 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
690 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
693 if (wpa_s->driver->set_bssid) {
694 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
699 static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
702 if (wpa_s->driver->set_country)
703 return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
707 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
708 const u8 *data, size_t data_len)
710 if (wpa_s->driver->send_mlme)
711 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
716 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
717 const u8 *addr, const u8 *supp_rates,
718 size_t supp_rates_len)
720 if (wpa_s->driver->mlme_add_sta)
721 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
722 supp_rates, supp_rates_len);
726 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
729 if (wpa_s->driver->mlme_remove_sta)
730 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
734 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
736 const u8 *ies, size_t ies_len)
738 if (wpa_s->driver->update_ft_ies)
739 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
744 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
745 u8 action, const u8 *target_ap,
746 const u8 *ies, size_t ies_len)
748 if (wpa_s->driver->send_ft_action)
749 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
750 target_ap, ies, ies_len);
754 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
755 const u8 *ies, size_t ies_len)
757 if (wpa_s->driver->set_probe_req_ie)
758 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
763 #endif /* WPA_SUPPLICANT_I_H */