xref: /freebsd/contrib/wpa/wpa_supplicant/wpa_supplicant_i.h (revision a98ff317388a00b992f1bf8404dee596f9383f5e)
1 /*
2  * wpa_supplicant - Internal definitions
3  * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef WPA_SUPPLICANT_I_H
10 #define WPA_SUPPLICANT_I_H
11 
12 #include "utils/list.h"
13 #include "common/defs.h"
14 #include "config_ssid.h"
15 
16 extern const char *wpa_supplicant_version;
17 extern const char *wpa_supplicant_license;
18 #ifndef CONFIG_NO_STDOUT_DEBUG
19 extern const char *wpa_supplicant_full_license1;
20 extern const char *wpa_supplicant_full_license2;
21 extern const char *wpa_supplicant_full_license3;
22 extern const char *wpa_supplicant_full_license4;
23 extern const char *wpa_supplicant_full_license5;
24 #endif /* CONFIG_NO_STDOUT_DEBUG */
25 
26 struct wpa_sm;
27 struct wpa_supplicant;
28 struct ibss_rsn;
29 struct scan_info;
30 struct wpa_bss;
31 struct wpa_scan_results;
32 struct hostapd_hw_modes;
33 struct wpa_driver_associate_params;
34 
35 /*
36  * Forward declarations of private structures used within the ctrl_iface
37  * backends. Other parts of wpa_supplicant do not have access to data stored in
38  * these structures.
39  */
40 struct ctrl_iface_priv;
41 struct ctrl_iface_global_priv;
42 struct wpas_dbus_priv;
43 
44 /**
45  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
46  */
47 struct wpa_interface {
48 	/**
49 	 * confname - Configuration name (file or profile) name
50 	 *
51 	 * This can also be %NULL when a configuration file is not used. In
52 	 * that case, ctrl_interface must be set to allow the interface to be
53 	 * configured.
54 	 */
55 	const char *confname;
56 
57 	/**
58 	 * ctrl_interface - Control interface parameter
59 	 *
60 	 * If a configuration file is not used, this variable can be used to
61 	 * set the ctrl_interface parameter that would have otherwise been read
62 	 * from the configuration file. If both confname and ctrl_interface are
63 	 * set, ctrl_interface is used to override the value from configuration
64 	 * file.
65 	 */
66 	const char *ctrl_interface;
67 
68 	/**
69 	 * driver - Driver interface name, or %NULL to use the default driver
70 	 */
71 	const char *driver;
72 
73 	/**
74 	 * driver_param - Driver interface parameters
75 	 *
76 	 * If a configuration file is not used, this variable can be used to
77 	 * set the driver_param parameters that would have otherwise been read
78 	 * from the configuration file. If both confname and driver_param are
79 	 * set, driver_param is used to override the value from configuration
80 	 * file.
81 	 */
82 	const char *driver_param;
83 
84 	/**
85 	 * ifname - Interface name
86 	 */
87 	const char *ifname;
88 
89 	/**
90 	 * bridge_ifname - Optional bridge interface name
91 	 *
92 	 * If the driver interface (ifname) is included in a Linux bridge
93 	 * device, the bridge interface may need to be used for receiving EAPOL
94 	 * frames. This can be enabled by setting this variable to enable
95 	 * receiving of EAPOL frames from an additional interface.
96 	 */
97 	const char *bridge_ifname;
98 };
99 
100 /**
101  * struct wpa_params - Parameters for wpa_supplicant_init()
102  */
103 struct wpa_params {
104 	/**
105 	 * daemonize - Run %wpa_supplicant in the background
106 	 */
107 	int daemonize;
108 
109 	/**
110 	 * wait_for_monitor - Wait for a monitor program before starting
111 	 */
112 	int wait_for_monitor;
113 
114 	/**
115 	 * pid_file - Path to a PID (process ID) file
116 	 *
117 	 * If this and daemonize are set, process ID of the background process
118 	 * will be written to the specified file.
119 	 */
120 	char *pid_file;
121 
122 	/**
123 	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
124 	 */
125 	int wpa_debug_level;
126 
127 	/**
128 	 * wpa_debug_show_keys - Whether keying material is included in debug
129 	 *
130 	 * This parameter can be used to allow keying material to be included
131 	 * in debug messages. This is a security risk and this option should
132 	 * not be enabled in normal configuration. If needed during
133 	 * development or while troubleshooting, this option can provide more
134 	 * details for figuring out what is happening.
135 	 */
136 	int wpa_debug_show_keys;
137 
138 	/**
139 	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
140 	 */
141 	int wpa_debug_timestamp;
142 
143 	/**
144 	 * ctrl_interface - Global ctrl_iface path/parameter
145 	 */
146 	char *ctrl_interface;
147 
148 	/**
149 	 * dbus_ctrl_interface - Enable the DBus control interface
150 	 */
151 	int dbus_ctrl_interface;
152 
153 	/**
154 	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
155 	 */
156 	const char *wpa_debug_file_path;
157 
158 	/**
159 	 * wpa_debug_syslog - Enable log output through syslog
160 	 */
161 	int wpa_debug_syslog;
162 
163 	/**
164 	 * wpa_debug_tracing - Enable log output through Linux tracing
165 	 */
166 	int wpa_debug_tracing;
167 
168 	/**
169 	 * override_driver - Optional driver parameter override
170 	 *
171 	 * This parameter can be used to override the driver parameter in
172 	 * dynamic interface addition to force a specific driver wrapper to be
173 	 * used instead.
174 	 */
175 	char *override_driver;
176 
177 	/**
178 	 * override_ctrl_interface - Optional ctrl_interface override
179 	 *
180 	 * This parameter can be used to override the ctrl_interface parameter
181 	 * in dynamic interface addition to force a control interface to be
182 	 * created.
183 	 */
184 	char *override_ctrl_interface;
185 
186 	/**
187 	 * entropy_file - Optional entropy file
188 	 *
189 	 * This parameter can be used to configure wpa_supplicant to maintain
190 	 * its internal entropy store over restarts.
191 	 */
192 	char *entropy_file;
193 };
194 
195 struct p2p_srv_bonjour {
196 	struct dl_list list;
197 	struct wpabuf *query;
198 	struct wpabuf *resp;
199 };
200 
201 struct p2p_srv_upnp {
202 	struct dl_list list;
203 	u8 version;
204 	char *service;
205 };
206 
207 struct wpa_freq_range {
208 	unsigned int min;
209 	unsigned int max;
210 };
211 
212 
213 /**
214  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
215  *
216  * This structure is initialized by calling wpa_supplicant_init() when starting
217  * %wpa_supplicant.
218  */
219 struct wpa_global {
220 	struct wpa_supplicant *ifaces;
221 	struct wpa_params params;
222 	struct ctrl_iface_global_priv *ctrl_iface;
223 	struct wpas_dbus_priv *dbus;
224 	void **drv_priv;
225 	size_t drv_count;
226 	struct os_time suspend_time;
227 	struct p2p_data *p2p;
228 	struct wpa_supplicant *p2p_init_wpa_s;
229 	struct wpa_supplicant *p2p_group_formation;
230 	u8 p2p_dev_addr[ETH_ALEN];
231 	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
232 	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
233 	int p2p_disabled;
234 	int cross_connection;
235 	struct wpa_freq_range *p2p_disallow_freq;
236 	unsigned int num_p2p_disallow_freq;
237 	enum wpa_conc_pref {
238 		WPA_CONC_PREF_NOT_SET,
239 		WPA_CONC_PREF_STA,
240 		WPA_CONC_PREF_P2P
241 	} conc_pref;
242 	unsigned int p2p_cb_on_scan_complete:1;
243 
244 #ifdef CONFIG_WIFI_DISPLAY
245 	int wifi_display;
246 #define MAX_WFD_SUBELEMS 10
247 	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
248 #endif /* CONFIG_WIFI_DISPLAY */
249 };
250 
251 
252 /**
253  * offchannel_send_action_result - Result of offchannel send Action frame
254  */
255 enum offchannel_send_action_result {
256 	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
257 	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
258 				       */,
259 	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
260 				       */
261 };
262 
263 struct wps_ap_info {
264 	u8 bssid[ETH_ALEN];
265 	enum wps_ap_info_type {
266 		WPS_AP_NOT_SEL_REG,
267 		WPS_AP_SEL_REG,
268 		WPS_AP_SEL_REG_OUR
269 	} type;
270 	unsigned int tries;
271 	struct os_time last_attempt;
272 };
273 
274 struct wpa_ssid_value {
275 	u8 ssid[32];
276 	size_t ssid_len;
277 };
278 
279 /**
280  * struct wpa_supplicant - Internal data for wpa_supplicant interface
281  *
282  * This structure contains the internal data for core wpa_supplicant code. This
283  * should be only used directly from the core code. However, a pointer to this
284  * data is used from other files as an arbitrary context pointer in calls to
285  * core functions.
286  */
287 struct wpa_supplicant {
288 	struct wpa_global *global;
289 	struct wpa_supplicant *parent;
290 	struct wpa_supplicant *next;
291 	struct l2_packet_data *l2;
292 	struct l2_packet_data *l2_br;
293 	unsigned char own_addr[ETH_ALEN];
294 	char ifname[100];
295 #ifdef CONFIG_CTRL_IFACE_DBUS
296 	char *dbus_path;
297 #endif /* CONFIG_CTRL_IFACE_DBUS */
298 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
299 	char *dbus_new_path;
300 	char *dbus_groupobj_path;
301 #ifdef CONFIG_AP
302 	char *preq_notify_peer;
303 #endif /* CONFIG_AP */
304 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
305 	char bridge_ifname[16];
306 
307 	char *confname;
308 	struct wpa_config *conf;
309 	int countermeasures;
310 	os_time_t last_michael_mic_error;
311 	u8 bssid[ETH_ALEN];
312 	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
313 				     * field contains the target BSSID. */
314 	int reassociate; /* reassociation requested */
315 	int disconnected; /* all connections disabled; i.e., do no reassociate
316 			   * before this has been cleared */
317 	struct wpa_ssid *current_ssid;
318 	struct wpa_bss *current_bss;
319 	int ap_ies_from_associnfo;
320 	unsigned int assoc_freq;
321 
322 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
323 	int pairwise_cipher;
324 	int group_cipher;
325 	int key_mgmt;
326 	int wpa_proto;
327 	int mgmt_group_cipher;
328 
329 	void *drv_priv; /* private data used by driver_ops */
330 	void *global_drv_priv;
331 
332 	u8 *bssid_filter;
333 	size_t bssid_filter_count;
334 
335 	u8 *disallow_aps_bssid;
336 	size_t disallow_aps_bssid_count;
337 	struct wpa_ssid_value *disallow_aps_ssid;
338 	size_t disallow_aps_ssid_count;
339 
340 	/* previous scan was wildcard when interleaving between
341 	 * wildcard scans and specific SSID scan when max_ssids=1 */
342 	int prev_scan_wildcard;
343 	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
344 					  * NULL = not yet initialized (start
345 					  * with wildcard SSID)
346 					  * WILDCARD_SSID_SCAN = wildcard
347 					  * SSID was used in the previous scan
348 					  */
349 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
350 
351 	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
352 	int sched_scan_timeout;
353 	int sched_scan_interval;
354 	int first_sched_scan;
355 	int sched_scan_timed_out;
356 
357 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
358 				 struct wpa_scan_results *scan_res);
359 	struct dl_list bss; /* struct wpa_bss::list */
360 	struct dl_list bss_id; /* struct wpa_bss::list_id */
361 	size_t num_bss;
362 	unsigned int bss_update_idx;
363 	unsigned int bss_next_id;
364 
365 	 /*
366 	  * Pointers to BSS entries in the order they were in the last scan
367 	  * results.
368 	  */
369 	struct wpa_bss **last_scan_res;
370 	unsigned int last_scan_res_used;
371 	unsigned int last_scan_res_size;
372 	int last_scan_full;
373 	struct os_time last_scan;
374 
375 	struct wpa_driver_ops *driver;
376 	int interface_removed; /* whether the network interface has been
377 				* removed */
378 	struct wpa_sm *wpa;
379 	struct eapol_sm *eapol;
380 
381 	struct ctrl_iface_priv *ctrl_iface;
382 
383 	enum wpa_states wpa_state;
384 	int scanning;
385 	int sched_scanning;
386 	int new_connection;
387 
388 	int eapol_received; /* number of EAPOL packets received after the
389 			     * previous association event */
390 
391 	struct scard_data *scard;
392 #ifdef PCSC_FUNCS
393 	char imsi[20];
394 	int mnc_len;
395 #endif /* PCSC_FUNCS */
396 
397 	unsigned char last_eapol_src[ETH_ALEN];
398 
399 	int keys_cleared;
400 
401 	struct wpa_blacklist *blacklist;
402 
403 	/**
404 	 * extra_blacklist_count - Sum of blacklist counts after last connection
405 	 *
406 	 * This variable is used to maintain a count of temporary blacklisting
407 	 * failures (maximum number for any BSS) over blacklist clear
408 	 * operations. This is needed for figuring out whether there has been
409 	 * failures prior to the last blacklist clear operation which happens
410 	 * whenever no other not-blacklisted BSS candidates are available. This
411 	 * gets cleared whenever a connection has been established successfully.
412 	 */
413 	int extra_blacklist_count;
414 
415 	/**
416 	 * scan_req - Type of the scan request
417 	 */
418 	enum scan_req_type {
419 		/**
420 		 * NORMAL_SCAN_REQ - Normal scan request
421 		 *
422 		 * This is used for scans initiated by wpa_supplicant to find an
423 		 * AP for a connection.
424 		 */
425 		NORMAL_SCAN_REQ,
426 
427 		/**
428 		 * INITIAL_SCAN_REQ - Initial scan request
429 		 *
430 		 * This is used for the first scan on an interface to force at
431 		 * least one scan to be run even if the configuration does not
432 		 * include any enabled networks.
433 		 */
434 		INITIAL_SCAN_REQ,
435 
436 		/**
437 		 * MANUAL_SCAN_REQ - Manual scan request
438 		 *
439 		 * This is used for scans where the user request a scan or
440 		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
441 		 * to be run.
442 		 */
443 		MANUAL_SCAN_REQ
444 	} scan_req;
445 	int scan_runs; /* number of scan runs since WPS was started */
446 	int *next_scan_freqs;
447 	int scan_interval; /* time in sec between scans to find suitable AP */
448 	int normal_scans; /* normal scans run before sched_scan */
449 	int scan_for_connection; /* whether the scan request was triggered for
450 				  * finding a connection */
451 
452 	unsigned int drv_flags;
453 	unsigned int drv_enc;
454 
455 	/*
456 	 * A bitmap of supported protocols for probe response offload. See
457 	 * struct wpa_driver_capa in driver.h
458 	 */
459 	unsigned int probe_resp_offloads;
460 
461 	int max_scan_ssids;
462 	int max_sched_scan_ssids;
463 	int sched_scan_supported;
464 	unsigned int max_match_sets;
465 	unsigned int max_remain_on_chan;
466 	unsigned int max_stations;
467 
468 	int pending_mic_error_report;
469 	int pending_mic_error_pairwise;
470 	int mic_errors_seen; /* Michael MIC errors with the current PTK */
471 
472 	struct wps_context *wps;
473 	int wps_success; /* WPS success event received */
474 	struct wps_er *wps_er;
475 	int blacklist_cleared;
476 
477 	struct wpabuf *pending_eapol_rx;
478 	struct os_time pending_eapol_rx_time;
479 	u8 pending_eapol_rx_src[ETH_ALEN];
480 	unsigned int last_eapol_matches_bssid:1;
481 
482 	struct ibss_rsn *ibss_rsn;
483 
484 	int set_sta_uapsd;
485 	int sta_uapsd;
486 	int set_ap_uapsd;
487 	int ap_uapsd;
488 
489 #ifdef CONFIG_SME
490 	struct {
491 		u8 ssid[32];
492 		size_t ssid_len;
493 		int freq;
494 		u8 assoc_req_ie[200];
495 		size_t assoc_req_ie_len;
496 		int mfp;
497 		int ft_used;
498 		u8 mobility_domain[2];
499 		u8 *ft_ies;
500 		size_t ft_ies_len;
501 		u8 prev_bssid[ETH_ALEN];
502 		int prev_bssid_set;
503 		int auth_alg;
504 		int proto;
505 
506 		int sa_query_count; /* number of pending SA Query requests;
507 				     * 0 = no SA Query in progress */
508 		int sa_query_timed_out;
509 		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
510 					* sa_query_count octets of pending
511 					* SA Query transaction identifiers */
512 		struct os_time sa_query_start;
513 		u8 sched_obss_scan;
514 		u16 obss_scan_int;
515 		u16 bss_max_idle_period;
516 		enum {
517 			SME_SAE_INIT,
518 			SME_SAE_COMMIT,
519 			SME_SAE_CONFIRM
520 		} sae_state;
521 		u16 sae_send_confirm;
522 	} sme;
523 #endif /* CONFIG_SME */
524 
525 #ifdef CONFIG_AP
526 	struct hostapd_iface *ap_iface;
527 	void (*ap_configured_cb)(void *ctx, void *data);
528 	void *ap_configured_cb_ctx;
529 	void *ap_configured_cb_data;
530 #endif /* CONFIG_AP */
531 
532 	unsigned int off_channel_freq;
533 	struct wpabuf *pending_action_tx;
534 	u8 pending_action_src[ETH_ALEN];
535 	u8 pending_action_dst[ETH_ALEN];
536 	u8 pending_action_bssid[ETH_ALEN];
537 	unsigned int pending_action_freq;
538 	int pending_action_no_cck;
539 	int pending_action_without_roc;
540 	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
541 					    unsigned int freq, const u8 *dst,
542 					    const u8 *src, const u8 *bssid,
543 					    const u8 *data, size_t data_len,
544 					    enum offchannel_send_action_result
545 					    result);
546 	unsigned int roc_waiting_drv_freq;
547 	int action_tx_wait_time;
548 
549 #ifdef CONFIG_P2P
550 	struct p2p_go_neg_results *go_params;
551 	int create_p2p_iface;
552 	u8 pending_interface_addr[ETH_ALEN];
553 	char pending_interface_name[100];
554 	int pending_interface_type;
555 	int p2p_group_idx;
556 	unsigned int pending_listen_freq;
557 	unsigned int pending_listen_duration;
558 	enum {
559 		NOT_P2P_GROUP_INTERFACE,
560 		P2P_GROUP_INTERFACE_PENDING,
561 		P2P_GROUP_INTERFACE_GO,
562 		P2P_GROUP_INTERFACE_CLIENT
563 	} p2p_group_interface;
564 	struct p2p_group *p2p_group;
565 	int p2p_long_listen; /* remaining time in long Listen state in ms */
566 	char p2p_pin[10];
567 	int p2p_wps_method;
568 	u8 p2p_auth_invite[ETH_ALEN];
569 	int p2p_sd_over_ctrl_iface;
570 	int p2p_in_provisioning;
571 	int pending_invite_ssid_id;
572 	int show_group_started;
573 	u8 go_dev_addr[ETH_ALEN];
574 	int pending_pd_before_join;
575 	u8 pending_join_iface_addr[ETH_ALEN];
576 	u8 pending_join_dev_addr[ETH_ALEN];
577 	int pending_join_wps_method;
578 	int p2p_join_scan_count;
579 	int auto_pd_scan_retry;
580 	int force_long_sd;
581 	u16 pending_pd_config_methods;
582 	enum {
583 		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
584 	} pending_pd_use;
585 
586 	/*
587 	 * Whether cross connection is disallowed by the AP to which this
588 	 * interface is associated (only valid if there is an association).
589 	 */
590 	int cross_connect_disallowed;
591 
592 	/*
593 	 * Whether this P2P group is configured to use cross connection (only
594 	 * valid if this is P2P GO interface). The actual cross connect packet
595 	 * forwarding may not be configured depending on the uplink status.
596 	 */
597 	int cross_connect_enabled;
598 
599 	/* Whether cross connection forwarding is in use at the moment. */
600 	int cross_connect_in_use;
601 
602 	/*
603 	 * Uplink interface name for cross connection
604 	 */
605 	char cross_connect_uplink[100];
606 
607 	unsigned int sta_scan_pending:1;
608 	unsigned int p2p_auto_join:1;
609 	unsigned int p2p_auto_pd:1;
610 	unsigned int p2p_persistent_group:1;
611 	unsigned int p2p_fallback_to_go_neg:1;
612 	unsigned int p2p_pd_before_go_neg:1;
613 	unsigned int p2p_go_ht40:1;
614 	unsigned int user_initiated_pd:1;
615 	int p2p_persistent_go_freq;
616 	int p2p_persistent_id;
617 	int p2p_go_intent;
618 	int p2p_connect_freq;
619 	struct os_time p2p_auto_started;
620 #endif /* CONFIG_P2P */
621 
622 	struct wpa_ssid *bgscan_ssid;
623 	const struct bgscan_ops *bgscan;
624 	void *bgscan_priv;
625 
626 	const struct autoscan_ops *autoscan;
627 	struct wpa_driver_scan_params *autoscan_params;
628 	void *autoscan_priv;
629 
630 	struct wpa_ssid *connect_without_scan;
631 
632 	struct wps_ap_info *wps_ap;
633 	size_t num_wps_ap;
634 	int wps_ap_iter;
635 
636 	int after_wps;
637 	int known_wps_freq;
638 	unsigned int wps_freq;
639 	u16 wps_ap_channel;
640 	int wps_fragment_size;
641 	int auto_reconnect_disabled;
642 
643 	 /* Channel preferences for AP/P2P GO use */
644 	int best_24_freq;
645 	int best_5_freq;
646 	int best_overall_freq;
647 
648 	struct gas_query *gas;
649 
650 #ifdef CONFIG_INTERWORKING
651 	unsigned int fetch_anqp_in_progress:1;
652 	unsigned int network_select:1;
653 	unsigned int auto_select:1;
654 	unsigned int auto_network_select:1;
655 	unsigned int fetch_all_anqp:1;
656 #endif /* CONFIG_INTERWORKING */
657 	unsigned int drv_capa_known;
658 
659 	struct {
660 		struct hostapd_hw_modes *modes;
661 		u16 num_modes;
662 		u16 flags;
663 	} hw;
664 
665 	int pno;
666 
667 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
668 	int disconnect_reason;
669 
670 	struct ext_password_data *ext_pw;
671 
672 	struct wpabuf *last_gas_resp;
673 	u8 last_gas_addr[ETH_ALEN];
674 	u8 last_gas_dialog_token;
675 
676 	unsigned int no_keep_alive:1;
677 };
678 
679 
680 /* wpa_supplicant.c */
681 void wpa_supplicant_apply_ht_overrides(
682 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
683 	struct wpa_driver_associate_params *params);
684 
685 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
686 
687 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
688 
689 const char * wpa_supplicant_state_txt(enum wpa_states state);
690 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
691 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
692 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
693 			      struct wpa_bss *bss, struct wpa_ssid *ssid,
694 			      u8 *wpa_ie, size_t *wpa_ie_len);
695 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
696 			      struct wpa_bss *bss,
697 			      struct wpa_ssid *ssid);
698 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
699 				       struct wpa_ssid *ssid);
700 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
701 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
702 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
703 				     int sec, int usec);
704 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
705 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
706 			      enum wpa_states state);
707 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
708 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
709 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
710 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
711 				   int reason_code);
712 
713 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
714 				   struct wpa_ssid *ssid);
715 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
716 				    struct wpa_ssid *ssid);
717 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
718 				   struct wpa_ssid *ssid);
719 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
720 			       int ap_scan);
721 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
722 					  unsigned int expire_age);
723 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
724 					    unsigned int expire_count);
725 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
726 				     int scan_interval);
727 int wpa_supplicant_set_debug_params(struct wpa_global *global,
728 				    int debug_level, int debug_timestamp,
729 				    int debug_show_keys);
730 void free_hw_features(struct wpa_supplicant *wpa_s);
731 
732 void wpa_show_license(void);
733 
734 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
735 						 struct wpa_interface *iface);
736 int wpa_supplicant_remove_iface(struct wpa_global *global,
737 				struct wpa_supplicant *wpa_s,
738 				int terminate);
739 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
740 						 const char *ifname);
741 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
742 int wpa_supplicant_run(struct wpa_global *global);
743 void wpa_supplicant_deinit(struct wpa_global *global);
744 
745 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
746 			      struct wpa_ssid *ssid);
747 void wpa_supplicant_terminate_proc(struct wpa_global *global);
748 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
749 			     const u8 *buf, size_t len);
750 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
751 enum wpa_cipher cipher_suite2driver(int cipher);
752 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
753 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
754 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
755 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
756 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
757 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
758 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
759 			      struct wpa_ssid *ssid, int clear_failures);
760 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
761 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
762 		    size_t ssid_len);
763 void wpas_request_connection(struct wpa_supplicant *wpa_s);
764 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
765 
766 /**
767  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
768  * @wpa_s: Pointer to wpa_supplicant data
769  * @ssid: Pointer to the network block the reply is for
770  * @field: field the response is a reply for
771  * @value: value (ie, password, etc) for @field
772  * Returns: 0 on success, non-zero on error
773  *
774  * Helper function to handle replies to control interface requests.
775  */
776 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
777 					      struct wpa_ssid *ssid,
778 					      const char *field,
779 					      const char *value);
780 
781 /* events.c */
782 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
783 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
784 			   struct wpa_bss *selected,
785 			   struct wpa_ssid *ssid);
786 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
787 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
788 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
789 int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s);
790 
791 /* eap_register.c */
792 int eap_register_methods(void);
793 
794 /**
795  * Utility method to tell if a given network is a persistent group
796  * @ssid: Network object
797  * Returns: 1 if network is a persistent group, 0 otherwise
798  */
799 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
800 {
801 	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
802 }
803 
804 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
805 
806 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
807 
808 #endif /* WPA_SUPPLICANT_I_H */
809