1667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu/*
2667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * wpa_supplicant - Internal definitions
3667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
4667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu *
5667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * This software may be distributed under the terms of the BSD license.
6667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * See README for more details.
7667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */
8667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu
9667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#ifndef WPA_SUPPLICANT_I_H
10667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#define WPA_SUPPLICANT_I_H
11667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu
12667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#include "utils/list.h"
13667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#include "common/defs.h"
14667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#include "common/sae.h"
15667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#include "common/wpa_ctrl.h"
16667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#include "wps/wps_defs.h"
17667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu#include "config_ssid.h"
18667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu
197dfb545d0f92125162ba2bacdfa1b96e88d06886Yohann Rousselextern const char *wpa_supplicant_version;
20667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuextern const char *wpa_supplicant_license;
21abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Roussel#ifndef CONFIG_NO_STDOUT_DEBUG
22abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselextern const char *wpa_supplicant_full_license1;
23abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselextern const char *wpa_supplicant_full_license2;
24abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselextern const char *wpa_supplicant_full_license3;
25abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselextern const char *wpa_supplicant_full_license4;
26abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselextern const char *wpa_supplicant_full_license5;
27abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Roussel#endif /* CONFIG_NO_STDOUT_DEBUG */
28abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Roussel
29abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct wpa_sm;
30abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct wpa_supplicant;
31abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct ibss_rsn;
32abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct scan_info;
33abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct wpa_bss;
34abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct wpa_scan_results;
35abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct hostapd_hw_modes;
36abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Rousselstruct wpa_driver_associate_params;
37abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Roussel
38abaf93c8f92de8b8d44173e78b0d7629b0324031Yohann Roussel/*
396624fbd355c4b3c874bec920aab662b2056a7278Yohann Roussel * Forward declarations of private structures used within the ctrl_iface
406624fbd355c4b3c874bec920aab662b2056a7278Yohann Roussel * backends. Other parts of wpa_supplicant do not have access to data stored in
416624fbd355c4b3c874bec920aab662b2056a7278Yohann Roussel * these structures.
426624fbd355c4b3c874bec920aab662b2056a7278Yohann Roussel */
436624fbd355c4b3c874bec920aab662b2056a7278Yohann Rousselstruct ctrl_iface_priv;
44667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chustruct ctrl_iface_global_priv;
45struct wpas_dbus_priv;
46
47/**
48 * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
49 */
50struct wpa_interface {
51	/**
52	 * confname - Configuration name (file or profile) name
53	 *
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
56	 * configured.
57	 */
58	const char *confname;
59
60	/**
61	 * confanother - Additional configuration name (file or profile) name
62	 *
63	 * This can also be %NULL when the additional configuration file is not
64	 * used.
65	 */
66	const char *confanother;
67
68#ifdef CONFIG_P2P
69	/**
70	 * conf_p2p_dev - Configuration file used to hold the
71	 * P2P Device configuration parameters.
72	 *
73	 * This can also be %NULL. In such a case, if a P2P Device dedicated
74	 * interfaces is created, the main configuration file will be used.
75	 */
76	const char *conf_p2p_dev;
77#endif /* CONFIG_P2P */
78
79	/**
80	 * ctrl_interface - Control interface parameter
81	 *
82	 * If a configuration file is not used, this variable can be used to
83	 * set the ctrl_interface parameter that would have otherwise been read
84	 * from the configuration file. If both confname and ctrl_interface are
85	 * set, ctrl_interface is used to override the value from configuration
86	 * file.
87	 */
88	const char *ctrl_interface;
89
90	/**
91	 * driver - Driver interface name, or %NULL to use the default driver
92	 */
93	const char *driver;
94
95	/**
96	 * driver_param - Driver interface parameters
97	 *
98	 * If a configuration file is not used, this variable can be used to
99	 * set the driver_param parameters that would have otherwise been read
100	 * from the configuration file. If both confname and driver_param are
101	 * set, driver_param is used to override the value from configuration
102	 * file.
103	 */
104	const char *driver_param;
105
106	/**
107	 * ifname - Interface name
108	 */
109	const char *ifname;
110
111	/**
112	 * bridge_ifname - Optional bridge interface name
113	 *
114	 * If the driver interface (ifname) is included in a Linux bridge
115	 * device, the bridge interface may need to be used for receiving EAPOL
116	 * frames. This can be enabled by setting this variable to enable
117	 * receiving of EAPOL frames from an additional interface.
118	 */
119	const char *bridge_ifname;
120
121	/**
122	 * p2p_mgmt - Interface used for P2P management (P2P Device operations)
123	 *
124	 * Indicates whether wpas_p2p_init() must be called for this interface.
125	 * This is used only when the driver supports a dedicated P2P Device
126	 * interface that is not a network interface.
127	 */
128	int p2p_mgmt;
129};
130
131/**
132 * struct wpa_params - Parameters for wpa_supplicant_init()
133 */
134struct wpa_params {
135	/**
136	 * daemonize - Run %wpa_supplicant in the background
137	 */
138	int daemonize;
139
140	/**
141	 * wait_for_monitor - Wait for a monitor program before starting
142	 */
143	int wait_for_monitor;
144
145	/**
146	 * pid_file - Path to a PID (process ID) file
147	 *
148	 * If this and daemonize are set, process ID of the background process
149	 * will be written to the specified file.
150	 */
151	char *pid_file;
152
153	/**
154	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
155	 */
156	int wpa_debug_level;
157
158	/**
159	 * wpa_debug_show_keys - Whether keying material is included in debug
160	 *
161	 * This parameter can be used to allow keying material to be included
162	 * in debug messages. This is a security risk and this option should
163	 * not be enabled in normal configuration. If needed during
164	 * development or while troubleshooting, this option can provide more
165	 * details for figuring out what is happening.
166	 */
167	int wpa_debug_show_keys;
168
169	/**
170	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
171	 */
172	int wpa_debug_timestamp;
173
174	/**
175	 * ctrl_interface - Global ctrl_iface path/parameter
176	 */
177	char *ctrl_interface;
178
179	/**
180	 * ctrl_interface_group - Global ctrl_iface group
181	 */
182	char *ctrl_interface_group;
183
184	/**
185	 * dbus_ctrl_interface - Enable the DBus control interface
186	 */
187	int dbus_ctrl_interface;
188
189	/**
190	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
191	 */
192	const char *wpa_debug_file_path;
193
194	/**
195	 * wpa_debug_syslog - Enable log output through syslog
196	 */
197	int wpa_debug_syslog;
198
199	/**
200	 * wpa_debug_tracing - Enable log output through Linux tracing
201	 */
202	int wpa_debug_tracing;
203
204	/**
205	 * override_driver - Optional driver parameter override
206	 *
207	 * This parameter can be used to override the driver parameter in
208	 * dynamic interface addition to force a specific driver wrapper to be
209	 * used instead.
210	 */
211	char *override_driver;
212
213	/**
214	 * override_ctrl_interface - Optional ctrl_interface override
215	 *
216	 * This parameter can be used to override the ctrl_interface parameter
217	 * in dynamic interface addition to force a control interface to be
218	 * created.
219	 */
220	char *override_ctrl_interface;
221
222	/**
223	 * entropy_file - Optional entropy file
224	 *
225	 * This parameter can be used to configure wpa_supplicant to maintain
226	 * its internal entropy store over restarts.
227	 */
228	char *entropy_file;
229};
230
231struct p2p_srv_bonjour {
232	struct dl_list list;
233	struct wpabuf *query;
234	struct wpabuf *resp;
235};
236
237struct p2p_srv_upnp {
238	struct dl_list list;
239	u8 version;
240	char *service;
241};
242
243/**
244 * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
245 *
246 * This structure is initialized by calling wpa_supplicant_init() when starting
247 * %wpa_supplicant.
248 */
249struct wpa_global {
250	struct wpa_supplicant *ifaces;
251	struct wpa_params params;
252	struct ctrl_iface_global_priv *ctrl_iface;
253	struct wpas_dbus_priv *dbus;
254	void **drv_priv;
255	size_t drv_count;
256	struct os_time suspend_time;
257	struct p2p_data *p2p;
258	struct wpa_supplicant *p2p_init_wpa_s;
259	struct wpa_supplicant *p2p_group_formation;
260	struct wpa_supplicant *p2p_invite_group;
261	u8 p2p_dev_addr[ETH_ALEN];
262	struct os_reltime p2p_go_wait_client;
263	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
264	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
265	int p2p_disabled;
266	int cross_connection;
267	struct wpa_freq_range_list p2p_disallow_freq;
268	struct wpa_freq_range_list p2p_go_avoid_freq;
269	enum wpa_conc_pref {
270		WPA_CONC_PREF_NOT_SET,
271		WPA_CONC_PREF_STA,
272		WPA_CONC_PREF_P2P
273	} conc_pref;
274	unsigned int p2p_per_sta_psk:1;
275	unsigned int p2p_fail_on_wps_complete:1;
276
277#ifdef CONFIG_WIFI_DISPLAY
278	int wifi_display;
279#define MAX_WFD_SUBELEMS 10
280	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
281#endif /* CONFIG_WIFI_DISPLAY */
282
283	struct psk_list_entry *add_psk; /* From group formation */
284};
285
286
287/**
288 * struct wpa_radio - Internal data for per-radio information
289 *
290 * This structure is used to share data about configured interfaces
291 * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
292 * better coordination of offchannel operations.
293 */
294struct wpa_radio {
295	char name[16]; /* from driver_ops get_radio_name() or empty if not
296			* available */
297	struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
298	struct dl_list work; /* struct wpa_radio_work::list entries */
299};
300
301/**
302 * struct wpa_radio_work - Radio work item
303 */
304struct wpa_radio_work {
305	struct dl_list list;
306	unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
307	const char *type;
308	struct wpa_supplicant *wpa_s;
309	void (*cb)(struct wpa_radio_work *work, int deinit);
310	void *ctx;
311	unsigned int started:1;
312	struct os_reltime time;
313};
314
315int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
316		   const char *type, int next,
317		   void (*cb)(struct wpa_radio_work *work, int deinit),
318		   void *ctx);
319void radio_work_done(struct wpa_radio_work *work);
320void radio_remove_works(struct wpa_supplicant *wpa_s,
321			const char *type, int remove_all);
322void radio_work_check_next(struct wpa_supplicant *wpa_s);
323struct wpa_radio_work *
324radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
325
326struct wpa_connect_work {
327	unsigned int sme:1;
328	unsigned int bss_removed:1;
329	struct wpa_bss *bss;
330	struct wpa_ssid *ssid;
331};
332
333int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
334			struct wpa_ssid *test_ssid);
335void wpas_connect_work_free(struct wpa_connect_work *cwork);
336void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
337
338struct wpa_external_work {
339	unsigned int id;
340	char type[100];
341	unsigned int timeout;
342};
343
344/**
345 * offchannel_send_action_result - Result of offchannel send Action frame
346 */
347enum offchannel_send_action_result {
348	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
349	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
350				       */,
351	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
352				       */
353};
354
355struct wps_ap_info {
356	u8 bssid[ETH_ALEN];
357	enum wps_ap_info_type {
358		WPS_AP_NOT_SEL_REG,
359		WPS_AP_SEL_REG,
360		WPS_AP_SEL_REG_OUR
361	} type;
362	unsigned int tries;
363	struct os_reltime last_attempt;
364};
365
366struct wpa_ssid_value {
367	u8 ssid[32];
368	size_t ssid_len;
369};
370
371#define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
372#define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
373
374struct wpa_used_freq_data {
375	int freq;
376	unsigned int flags;
377};
378
379/**
380 * struct wpa_supplicant - Internal data for wpa_supplicant interface
381 *
382 * This structure contains the internal data for core wpa_supplicant code. This
383 * should be only used directly from the core code. However, a pointer to this
384 * data is used from other files as an arbitrary context pointer in calls to
385 * core functions.
386 */
387struct wpa_supplicant {
388	struct wpa_global *global;
389	struct wpa_radio *radio; /* shared radio context */
390	struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
391	struct wpa_supplicant *parent;
392	struct wpa_supplicant *next;
393	struct l2_packet_data *l2;
394	struct l2_packet_data *l2_br;
395	unsigned char own_addr[ETH_ALEN];
396	unsigned char perm_addr[ETH_ALEN];
397	char ifname[100];
398#ifdef CONFIG_CTRL_IFACE_DBUS
399	char *dbus_path;
400#endif /* CONFIG_CTRL_IFACE_DBUS */
401#ifdef CONFIG_CTRL_IFACE_DBUS_NEW
402	char *dbus_new_path;
403	char *dbus_groupobj_path;
404#ifdef CONFIG_AP
405	char *preq_notify_peer;
406#endif /* CONFIG_AP */
407#endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
408	char bridge_ifname[16];
409
410	char *confname;
411	char *confanother;
412
413	struct wpa_config *conf;
414	int countermeasures;
415	struct os_reltime last_michael_mic_error;
416	u8 bssid[ETH_ALEN];
417	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
418				     * field contains the target BSSID. */
419	int reassociate; /* reassociation requested */
420	int disconnected; /* all connections disabled; i.e., do no reassociate
421			   * before this has been cleared */
422	struct wpa_ssid *current_ssid;
423	struct wpa_ssid *last_ssid;
424	struct wpa_bss *current_bss;
425	int ap_ies_from_associnfo;
426	unsigned int assoc_freq;
427
428	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
429	int pairwise_cipher;
430	int group_cipher;
431	int key_mgmt;
432	int wpa_proto;
433	int mgmt_group_cipher;
434
435	void *drv_priv; /* private data used by driver_ops */
436	void *global_drv_priv;
437
438	u8 *bssid_filter;
439	size_t bssid_filter_count;
440
441	u8 *disallow_aps_bssid;
442	size_t disallow_aps_bssid_count;
443	struct wpa_ssid_value *disallow_aps_ssid;
444	size_t disallow_aps_ssid_count;
445
446	enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
447
448	/* Preferred network for the next connection attempt */
449	struct wpa_ssid *next_ssid;
450
451	/* previous scan was wildcard when interleaving between
452	 * wildcard scans and specific SSID scan when max_ssids=1 */
453	int prev_scan_wildcard;
454	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
455					  * NULL = not yet initialized (start
456					  * with wildcard SSID)
457					  * WILDCARD_SSID_SCAN = wildcard
458					  * SSID was used in the previous scan
459					  */
460#define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
461
462	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
463	int sched_scan_timeout;
464	int sched_scan_interval;
465	int first_sched_scan;
466	int sched_scan_timed_out;
467
468	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
469				 struct wpa_scan_results *scan_res);
470	struct dl_list bss; /* struct wpa_bss::list */
471	struct dl_list bss_id; /* struct wpa_bss::list_id */
472	size_t num_bss;
473	unsigned int bss_update_idx;
474	unsigned int bss_next_id;
475
476	 /*
477	  * Pointers to BSS entries in the order they were in the last scan
478	  * results.
479	  */
480	struct wpa_bss **last_scan_res;
481	unsigned int last_scan_res_used;
482	unsigned int last_scan_res_size;
483	struct os_reltime last_scan;
484
485	struct wpa_driver_ops *driver;
486	int interface_removed; /* whether the network interface has been
487				* removed */
488	struct wpa_sm *wpa;
489	struct eapol_sm *eapol;
490
491	struct ctrl_iface_priv *ctrl_iface;
492
493	enum wpa_states wpa_state;
494	struct wpa_radio_work *scan_work;
495	int scanning;
496	int sched_scanning;
497	int new_connection;
498
499	int eapol_received; /* number of EAPOL packets received after the
500			     * previous association event */
501
502	struct scard_data *scard;
503	char imsi[20];
504	int mnc_len;
505
506	unsigned char last_eapol_src[ETH_ALEN];
507
508	unsigned int keys_cleared; /* bitfield of key indexes that the driver is
509				    * known not to be configured with a key */
510
511	struct wpa_blacklist *blacklist;
512
513	/**
514	 * extra_blacklist_count - Sum of blacklist counts after last connection
515	 *
516	 * This variable is used to maintain a count of temporary blacklisting
517	 * failures (maximum number for any BSS) over blacklist clear
518	 * operations. This is needed for figuring out whether there has been
519	 * failures prior to the last blacklist clear operation which happens
520	 * whenever no other not-blacklisted BSS candidates are available. This
521	 * gets cleared whenever a connection has been established successfully.
522	 */
523	int extra_blacklist_count;
524
525	/**
526	 * scan_req - Type of the scan request
527	 */
528	enum scan_req_type {
529		/**
530		 * NORMAL_SCAN_REQ - Normal scan request
531		 *
532		 * This is used for scans initiated by wpa_supplicant to find an
533		 * AP for a connection.
534		 */
535		NORMAL_SCAN_REQ,
536
537		/**
538		 * INITIAL_SCAN_REQ - Initial scan request
539		 *
540		 * This is used for the first scan on an interface to force at
541		 * least one scan to be run even if the configuration does not
542		 * include any enabled networks.
543		 */
544		INITIAL_SCAN_REQ,
545
546		/**
547		 * MANUAL_SCAN_REQ - Manual scan request
548		 *
549		 * This is used for scans where the user request a scan or
550		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
551		 * to be run.
552		 */
553		MANUAL_SCAN_REQ
554	} scan_req, last_scan_req;
555	struct os_reltime scan_trigger_time, scan_start_time;
556	int scan_runs; /* number of scan runs since WPS was started */
557	int *next_scan_freqs;
558	int *manual_scan_freqs;
559	int *manual_sched_scan_freqs;
560	unsigned int manual_scan_passive:1;
561	unsigned int manual_scan_use_id:1;
562	unsigned int manual_scan_only_new:1;
563	unsigned int own_scan_requested:1;
564	unsigned int own_scan_running:1;
565	unsigned int external_scan_running:1;
566	unsigned int clear_driver_scan_cache:1;
567	unsigned int manual_scan_id;
568	int scan_interval; /* time in sec between scans to find suitable AP */
569	int normal_scans; /* normal scans run before sched_scan */
570	int scan_for_connection; /* whether the scan request was triggered for
571				  * finding a connection */
572#define MAX_SCAN_ID 16
573	int scan_id[MAX_SCAN_ID];
574	unsigned int scan_id_count;
575
576	unsigned int drv_flags;
577	unsigned int drv_enc;
578
579	/*
580	 * A bitmap of supported protocols for probe response offload. See
581	 * struct wpa_driver_capa in driver.h
582	 */
583	unsigned int probe_resp_offloads;
584
585	/* extended capabilities supported by the driver */
586	const u8 *extended_capa, *extended_capa_mask;
587	unsigned int extended_capa_len;
588
589	int max_scan_ssids;
590	int max_sched_scan_ssids;
591	int sched_scan_supported;
592	unsigned int max_match_sets;
593	unsigned int max_remain_on_chan;
594	unsigned int max_stations;
595
596	int pending_mic_error_report;
597	int pending_mic_error_pairwise;
598	int mic_errors_seen; /* Michael MIC errors with the current PTK */
599
600	struct wps_context *wps;
601	int wps_success; /* WPS success event received */
602	struct wps_er *wps_er;
603	unsigned int wps_run;
604	int blacklist_cleared;
605
606	struct wpabuf *pending_eapol_rx;
607	struct os_reltime pending_eapol_rx_time;
608	u8 pending_eapol_rx_src[ETH_ALEN];
609	unsigned int last_eapol_matches_bssid:1;
610	unsigned int eap_expected_failure:1;
611	unsigned int reattach:1; /* reassociation to the same BSS requested */
612	unsigned int mac_addr_changed:1;
613
614	struct os_reltime last_mac_addr_change;
615	int last_mac_addr_style;
616
617	struct ibss_rsn *ibss_rsn;
618
619	int set_sta_uapsd;
620	int sta_uapsd;
621	int set_ap_uapsd;
622	int ap_uapsd;
623
624#ifdef CONFIG_SME
625	struct {
626		u8 ssid[32];
627		size_t ssid_len;
628		int freq;
629		u8 assoc_req_ie[200];
630		size_t assoc_req_ie_len;
631		int mfp;
632		int ft_used;
633		u8 mobility_domain[2];
634		u8 *ft_ies;
635		size_t ft_ies_len;
636		u8 prev_bssid[ETH_ALEN];
637		int prev_bssid_set;
638		int auth_alg;
639		int proto;
640
641		int sa_query_count; /* number of pending SA Query requests;
642				     * 0 = no SA Query in progress */
643		int sa_query_timed_out;
644		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
645					* sa_query_count octets of pending
646					* SA Query transaction identifiers */
647		struct os_reltime sa_query_start;
648		struct os_reltime last_unprot_disconnect;
649		u8 sched_obss_scan;
650		u16 obss_scan_int;
651		u16 bss_max_idle_period;
652#ifdef CONFIG_SAE
653		struct sae_data sae;
654		struct wpabuf *sae_token;
655		int sae_group_index;
656#endif /* CONFIG_SAE */
657	} sme;
658#endif /* CONFIG_SME */
659
660#ifdef CONFIG_AP
661	struct hostapd_iface *ap_iface;
662	void (*ap_configured_cb)(void *ctx, void *data);
663	void *ap_configured_cb_ctx;
664	void *ap_configured_cb_data;
665#endif /* CONFIG_AP */
666
667	unsigned int off_channel_freq;
668	struct wpabuf *pending_action_tx;
669	u8 pending_action_src[ETH_ALEN];
670	u8 pending_action_dst[ETH_ALEN];
671	u8 pending_action_bssid[ETH_ALEN];
672	unsigned int pending_action_freq;
673	int pending_action_no_cck;
674	int pending_action_without_roc;
675	unsigned int pending_action_tx_done:1;
676	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
677					    unsigned int freq, const u8 *dst,
678					    const u8 *src, const u8 *bssid,
679					    const u8 *data, size_t data_len,
680					    enum offchannel_send_action_result
681					    result);
682	unsigned int roc_waiting_drv_freq;
683	int action_tx_wait_time;
684
685	int p2p_mgmt;
686
687#ifdef CONFIG_P2P
688	struct p2p_go_neg_results *go_params;
689	int create_p2p_iface;
690	u8 pending_interface_addr[ETH_ALEN];
691	char pending_interface_name[100];
692	int pending_interface_type;
693	int p2p_group_idx;
694	unsigned int pending_listen_freq;
695	unsigned int pending_listen_duration;
696	enum {
697		NOT_P2P_GROUP_INTERFACE,
698		P2P_GROUP_INTERFACE_PENDING,
699		P2P_GROUP_INTERFACE_GO,
700		P2P_GROUP_INTERFACE_CLIENT
701	} p2p_group_interface;
702	struct p2p_group *p2p_group;
703	int p2p_long_listen; /* remaining time in long Listen state in ms */
704	char p2p_pin[10];
705	int p2p_wps_method;
706	u8 p2p_auth_invite[ETH_ALEN];
707	int p2p_sd_over_ctrl_iface;
708	int p2p_in_provisioning;
709	int p2p_in_invitation;
710	int p2p_invite_go_freq;
711	int pending_invite_ssid_id;
712	int show_group_started;
713	u8 go_dev_addr[ETH_ALEN];
714	int pending_pd_before_join;
715	u8 pending_join_iface_addr[ETH_ALEN];
716	u8 pending_join_dev_addr[ETH_ALEN];
717	int pending_join_wps_method;
718	u8 p2p_join_ssid[32];
719	size_t p2p_join_ssid_len;
720	int p2p_join_scan_count;
721	int auto_pd_scan_retry;
722	int force_long_sd;
723	u16 pending_pd_config_methods;
724	enum {
725		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
726	} pending_pd_use;
727
728	/*
729	 * Whether cross connection is disallowed by the AP to which this
730	 * interface is associated (only valid if there is an association).
731	 */
732	int cross_connect_disallowed;
733
734	/*
735	 * Whether this P2P group is configured to use cross connection (only
736	 * valid if this is P2P GO interface). The actual cross connect packet
737	 * forwarding may not be configured depending on the uplink status.
738	 */
739	int cross_connect_enabled;
740
741	/* Whether cross connection forwarding is in use at the moment. */
742	int cross_connect_in_use;
743
744	/*
745	 * Uplink interface name for cross connection
746	 */
747	char cross_connect_uplink[100];
748
749	unsigned int p2p_auto_join:1;
750	unsigned int p2p_auto_pd:1;
751	unsigned int p2p_persistent_group:1;
752	unsigned int p2p_fallback_to_go_neg:1;
753	unsigned int p2p_pd_before_go_neg:1;
754	unsigned int p2p_go_ht40:1;
755	unsigned int p2p_go_vht:1;
756	unsigned int user_initiated_pd:1;
757	unsigned int p2p_go_group_formation_completed:1;
758	unsigned int waiting_presence_resp;
759	int p2p_first_connection_timeout;
760	unsigned int p2p_nfc_tag_enabled:1;
761	unsigned int p2p_peer_oob_pk_hash_known:1;
762	unsigned int p2p_disable_ip_addr_req:1;
763	int p2p_persistent_go_freq;
764	int p2p_persistent_id;
765	int p2p_go_intent;
766	int p2p_connect_freq;
767	struct os_reltime p2p_auto_started;
768	struct wpa_ssid *p2p_last_4way_hs_fail;
769	struct wpa_radio_work *p2p_scan_work;
770	struct wpa_radio_work *p2p_listen_work;
771	struct wpa_radio_work *p2p_send_action_work;
772
773	u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
774	struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
775					* formation */
776	u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
777	u8 p2p_ip_addr_info[3 * 4];
778#endif /* CONFIG_P2P */
779
780	struct wpa_ssid *bgscan_ssid;
781	const struct bgscan_ops *bgscan;
782	void *bgscan_priv;
783
784	const struct autoscan_ops *autoscan;
785	struct wpa_driver_scan_params *autoscan_params;
786	void *autoscan_priv;
787
788	struct wpa_ssid *connect_without_scan;
789
790	struct wps_ap_info *wps_ap;
791	size_t num_wps_ap;
792	int wps_ap_iter;
793
794	int after_wps;
795	int known_wps_freq;
796	unsigned int wps_freq;
797	int wps_fragment_size;
798	int auto_reconnect_disabled;
799
800	 /* Channel preferences for AP/P2P GO use */
801	int best_24_freq;
802	int best_5_freq;
803	int best_overall_freq;
804
805	struct gas_query *gas;
806
807#ifdef CONFIG_INTERWORKING
808	unsigned int fetch_anqp_in_progress:1;
809	unsigned int network_select:1;
810	unsigned int auto_select:1;
811	unsigned int auto_network_select:1;
812	unsigned int fetch_all_anqp:1;
813	unsigned int fetch_osu_info:1;
814	unsigned int fetch_osu_icon_in_progress:1;
815	struct wpa_bss *interworking_gas_bss;
816	unsigned int osu_icon_id;
817	struct osu_provider *osu_prov;
818	size_t osu_prov_count;
819	struct os_reltime osu_icon_fetch_start;
820	unsigned int num_osu_scans;
821	unsigned int num_prov_found;
822#endif /* CONFIG_INTERWORKING */
823	unsigned int drv_capa_known;
824
825	struct {
826		struct hostapd_hw_modes *modes;
827		u16 num_modes;
828		u16 flags;
829	} hw;
830#ifdef CONFIG_MACSEC
831	struct ieee802_1x_kay *kay;
832#endif /* CONFIG_MACSEC */
833
834	int pno;
835	int pno_sched_pending;
836
837	/* WLAN_REASON_* reason codes. Negative if locally generated. */
838	int disconnect_reason;
839
840	struct ext_password_data *ext_pw;
841
842	struct wpabuf *last_gas_resp, *prev_gas_resp;
843	u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
844	u8 last_gas_dialog_token, prev_gas_dialog_token;
845
846	unsigned int no_keep_alive:1;
847	unsigned int ext_mgmt_frame_handling:1;
848
849#ifdef CONFIG_WNM
850	u8 wnm_dialog_token;
851	u8 wnm_reply;
852	u8 wnm_num_neighbor_report;
853	u8 wnm_mode;
854	u16 wnm_dissoc_timer;
855	u8 wnm_validity_interval;
856	u8 wnm_bss_termination_duration[12];
857	struct neighbor_report *wnm_neighbor_report_elements;
858#endif /* CONFIG_WNM */
859
860#ifdef CONFIG_TESTING_GET_GTK
861	u8 last_gtk[32];
862	size_t last_gtk_len;
863#endif /* CONFIG_TESTING_GET_GTK */
864
865	unsigned int num_multichan_concurrent;
866	struct wpa_radio_work *connect_work;
867
868	unsigned int ext_work_id;
869
870	struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
871};
872
873
874/* wpa_supplicant.c */
875void wpa_supplicant_apply_ht_overrides(
876	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
877	struct wpa_driver_associate_params *params);
878void wpa_supplicant_apply_vht_overrides(
879	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
880	struct wpa_driver_associate_params *params);
881
882int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
883int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
884				    struct wpa_ssid *ssid);
885
886int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
887
888const char * wpa_supplicant_state_txt(enum wpa_states state);
889int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
890int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
891int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
892			      struct wpa_bss *bss, struct wpa_ssid *ssid,
893			      u8 *wpa_ie, size_t *wpa_ie_len);
894void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
895			      struct wpa_bss *bss,
896			      struct wpa_ssid *ssid);
897void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
898				       struct wpa_ssid *ssid);
899void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
900void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
901void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
902				     int sec, int usec);
903void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
904void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
905			      enum wpa_states state);
906struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
907const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
908void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
909void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
910				   int reason_code);
911
912void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
913				   struct wpa_ssid *ssid);
914void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
915				    struct wpa_ssid *ssid);
916void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
917				   struct wpa_ssid *ssid);
918int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
919					   const char *pkcs11_engine_path,
920					   const char *pkcs11_module_path);
921int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
922			       int ap_scan);
923int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
924					  unsigned int expire_age);
925int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
926					    unsigned int expire_count);
927int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
928				     int scan_interval);
929int wpa_supplicant_set_debug_params(struct wpa_global *global,
930				    int debug_level, int debug_timestamp,
931				    int debug_show_keys);
932void free_hw_features(struct wpa_supplicant *wpa_s);
933
934void wpa_show_license(void);
935
936struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
937						 struct wpa_interface *iface);
938int wpa_supplicant_remove_iface(struct wpa_global *global,
939				struct wpa_supplicant *wpa_s,
940				int terminate);
941struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
942						 const char *ifname);
943struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
944int wpa_supplicant_run(struct wpa_global *global);
945void wpa_supplicant_deinit(struct wpa_global *global);
946
947int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
948			      struct wpa_ssid *ssid);
949void wpa_supplicant_terminate_proc(struct wpa_global *global);
950void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
951			     const u8 *buf, size_t len);
952void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
953void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
954void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
955int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
956int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
957void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
958void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
959			      struct wpa_ssid *ssid, int clear_failures);
960int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
961int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
962		    size_t ssid_len);
963void wpas_request_connection(struct wpa_supplicant *wpa_s);
964int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
965int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
966int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
967
968/**
969 * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
970 * @wpa_s: Pointer to wpa_supplicant data
971 * @ssid: Pointer to the network block the reply is for
972 * @field: field the response is a reply for
973 * @value: value (ie, password, etc) for @field
974 * Returns: 0 on success, non-zero on error
975 *
976 * Helper function to handle replies to control interface requests.
977 */
978int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
979					      struct wpa_ssid *ssid,
980					      const char *field,
981					      const char *value);
982
983/* events.c */
984void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
985int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
986			   struct wpa_bss *selected,
987			   struct wpa_ssid *ssid);
988void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
989void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
990void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
991int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
992struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
993					     struct wpa_ssid **selected_ssid);
994int ht_supported(const struct hostapd_hw_modes *mode);
995int vht_supported(const struct hostapd_hw_modes *mode);
996
997/* eap_register.c */
998int eap_register_methods(void);
999
1000/**
1001 * Utility method to tell if a given network is a persistent group
1002 * @ssid: Network object
1003 * Returns: 1 if network is a persistent group, 0 otherwise
1004 */
1005static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1006{
1007	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
1008}
1009
1010int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1011
1012int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1013
1014void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1015		    struct wpa_used_freq_data *freqs_data,
1016		    unsigned int len);
1017
1018int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1019				struct wpa_used_freq_data *freqs_data,
1020				unsigned int len);
1021int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1022			   int *freq_array, unsigned int len);
1023
1024#endif /* WPA_SUPPLICANT_I_H */
1025