1 /*
2  * wpa_supplicant - Internal definitions
3  * Copyright (c) 2003-2014, 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 "common/sae.h"
15 #include "wps/wps_defs.h"
16 #include "config_ssid.h"
17 
18 extern const char *wpa_supplicant_version;
19 extern const char *wpa_supplicant_license;
20 #ifndef CONFIG_NO_STDOUT_DEBUG
21 extern const char *wpa_supplicant_full_license1;
22 extern const char *wpa_supplicant_full_license2;
23 extern const char *wpa_supplicant_full_license3;
24 extern const char *wpa_supplicant_full_license4;
25 extern const char *wpa_supplicant_full_license5;
26 #endif /* CONFIG_NO_STDOUT_DEBUG */
27 
28 struct wpa_sm;
29 struct wpa_supplicant;
30 struct ibss_rsn;
31 struct scan_info;
32 struct wpa_bss;
33 struct wpa_scan_results;
34 struct hostapd_hw_modes;
35 struct wpa_driver_associate_params;
36 
37 /*
38  * Forward declarations of private structures used within the ctrl_iface
39  * backends. Other parts of wpa_supplicant do not have access to data stored in
40  * these structures.
41  */
42 struct ctrl_iface_priv;
43 struct ctrl_iface_global_priv;
44 struct wpas_dbus_priv;
45 
46 /**
47  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
48  */
49 struct wpa_interface {
50 	/**
51 	 * confname - Configuration name (file or profile) name
52 	 *
53 	 * This can also be %NULL when a configuration file is not used. In
54 	 * that case, ctrl_interface must be set to allow the interface to be
55 	 * configured.
56 	 */
57 	const char *confname;
58 
59 	/**
60 	 * confanother - Additional configuration name (file or profile) name
61 	 *
62 	 * This can also be %NULL when the additional configuration file is not
63 	 * used.
64 	 */
65 	const char *confanother;
66 
67 	/**
68 	 * ctrl_interface - Control interface parameter
69 	 *
70 	 * If a configuration file is not used, this variable can be used to
71 	 * set the ctrl_interface parameter that would have otherwise been read
72 	 * from the configuration file. If both confname and ctrl_interface are
73 	 * set, ctrl_interface is used to override the value from configuration
74 	 * file.
75 	 */
76 	const char *ctrl_interface;
77 
78 	/**
79 	 * driver - Driver interface name, or %NULL to use the default driver
80 	 */
81 	const char *driver;
82 
83 	/**
84 	 * driver_param - Driver interface parameters
85 	 *
86 	 * If a configuration file is not used, this variable can be used to
87 	 * set the driver_param parameters that would have otherwise been read
88 	 * from the configuration file. If both confname and driver_param are
89 	 * set, driver_param is used to override the value from configuration
90 	 * file.
91 	 */
92 	const char *driver_param;
93 
94 	/**
95 	 * ifname - Interface name
96 	 */
97 	const char *ifname;
98 
99 	/**
100 	 * bridge_ifname - Optional bridge interface name
101 	 *
102 	 * If the driver interface (ifname) is included in a Linux bridge
103 	 * device, the bridge interface may need to be used for receiving EAPOL
104 	 * frames. This can be enabled by setting this variable to enable
105 	 * receiving of EAPOL frames from an additional interface.
106 	 */
107 	const char *bridge_ifname;
108 
109 	/**
110 	 * p2p_mgmt - Interface used for P2P management (P2P Device operations)
111 	 *
112 	 * Indicates whether wpas_p2p_init() must be called for this interface.
113 	 * This is used only when the driver supports a dedicated P2P Device
114 	 * interface that is not a network interface.
115 	 */
116 	int p2p_mgmt;
117 };
118 
119 /**
120  * struct wpa_params - Parameters for wpa_supplicant_init()
121  */
122 struct wpa_params {
123 	/**
124 	 * daemonize - Run %wpa_supplicant in the background
125 	 */
126 	int daemonize;
127 
128 	/**
129 	 * wait_for_monitor - Wait for a monitor program before starting
130 	 */
131 	int wait_for_monitor;
132 
133 	/**
134 	 * pid_file - Path to a PID (process ID) file
135 	 *
136 	 * If this and daemonize are set, process ID of the background process
137 	 * will be written to the specified file.
138 	 */
139 	char *pid_file;
140 
141 	/**
142 	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
143 	 */
144 	int wpa_debug_level;
145 
146 	/**
147 	 * wpa_debug_show_keys - Whether keying material is included in debug
148 	 *
149 	 * This parameter can be used to allow keying material to be included
150 	 * in debug messages. This is a security risk and this option should
151 	 * not be enabled in normal configuration. If needed during
152 	 * development or while troubleshooting, this option can provide more
153 	 * details for figuring out what is happening.
154 	 */
155 	int wpa_debug_show_keys;
156 
157 	/**
158 	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
159 	 */
160 	int wpa_debug_timestamp;
161 
162 	/**
163 	 * ctrl_interface - Global ctrl_iface path/parameter
164 	 */
165 	char *ctrl_interface;
166 
167 	/**
168 	 * ctrl_interface_group - Global ctrl_iface group
169 	 */
170 	char *ctrl_interface_group;
171 
172 	/**
173 	 * dbus_ctrl_interface - Enable the DBus control interface
174 	 */
175 	int dbus_ctrl_interface;
176 
177 	/**
178 	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
179 	 */
180 	const char *wpa_debug_file_path;
181 
182 	/**
183 	 * wpa_debug_syslog - Enable log output through syslog
184 	 */
185 	int wpa_debug_syslog;
186 
187 	/**
188 	 * wpa_debug_tracing - Enable log output through Linux tracing
189 	 */
190 	int wpa_debug_tracing;
191 
192 	/**
193 	 * override_driver - Optional driver parameter override
194 	 *
195 	 * This parameter can be used to override the driver parameter in
196 	 * dynamic interface addition to force a specific driver wrapper to be
197 	 * used instead.
198 	 */
199 	char *override_driver;
200 
201 	/**
202 	 * override_ctrl_interface - Optional ctrl_interface override
203 	 *
204 	 * This parameter can be used to override the ctrl_interface parameter
205 	 * in dynamic interface addition to force a control interface to be
206 	 * created.
207 	 */
208 	char *override_ctrl_interface;
209 
210 	/**
211 	 * entropy_file - Optional entropy file
212 	 *
213 	 * This parameter can be used to configure wpa_supplicant to maintain
214 	 * its internal entropy store over restarts.
215 	 */
216 	char *entropy_file;
217 };
218 
219 struct p2p_srv_bonjour {
220 	struct dl_list list;
221 	struct wpabuf *query;
222 	struct wpabuf *resp;
223 };
224 
225 struct p2p_srv_upnp {
226 	struct dl_list list;
227 	u8 version;
228 	char *service;
229 };
230 
231 /**
232  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
233  *
234  * This structure is initialized by calling wpa_supplicant_init() when starting
235  * %wpa_supplicant.
236  */
237 struct wpa_global {
238 	struct wpa_supplicant *ifaces;
239 	struct wpa_params params;
240 	struct ctrl_iface_global_priv *ctrl_iface;
241 	struct wpas_dbus_priv *dbus;
242 	void **drv_priv;
243 	size_t drv_count;
244 	struct os_time suspend_time;
245 	struct p2p_data *p2p;
246 	struct wpa_supplicant *p2p_init_wpa_s;
247 	struct wpa_supplicant *p2p_group_formation;
248 	struct wpa_supplicant *p2p_invite_group;
249 	u8 p2p_dev_addr[ETH_ALEN];
250 	struct os_reltime p2p_go_wait_client;
251 	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
252 	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
253 	int p2p_disabled;
254 	int cross_connection;
255 	struct wpa_freq_range_list p2p_disallow_freq;
256 	struct wpa_freq_range_list p2p_go_avoid_freq;
257 	enum wpa_conc_pref {
258 		WPA_CONC_PREF_NOT_SET,
259 		WPA_CONC_PREF_STA,
260 		WPA_CONC_PREF_P2P
261 	} conc_pref;
262 	unsigned int p2p_per_sta_psk:1;
263 	unsigned int p2p_fail_on_wps_complete:1;
264 
265 #ifdef CONFIG_WIFI_DISPLAY
266 	int wifi_display;
267 #define MAX_WFD_SUBELEMS 10
268 	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
269 #endif /* CONFIG_WIFI_DISPLAY */
270 
271 	struct psk_list_entry *add_psk; /* From group formation */
272 };
273 
274 
275 /**
276  * struct wpa_radio - Internal data for per-radio information
277  *
278  * This structure is used to share data about configured interfaces
279  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
280  * better coordination of offchannel operations.
281  */
282 struct wpa_radio {
283 	char name[16]; /* from driver_ops get_radio_name() or empty if not
284 			* available */
285 	struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
286 	struct dl_list work; /* struct wpa_radio_work::list entries */
287 };
288 
289 /**
290  * struct wpa_radio_work - Radio work item
291  */
292 struct wpa_radio_work {
293 	struct dl_list list;
294 	unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
295 	const char *type;
296 	struct wpa_supplicant *wpa_s;
297 	void (*cb)(struct wpa_radio_work *work, int deinit);
298 	void *ctx;
299 	unsigned int started:1;
300 	struct os_reltime time;
301 };
302 
303 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
304 		   const char *type, int next,
305 		   void (*cb)(struct wpa_radio_work *work, int deinit),
306 		   void *ctx);
307 void radio_work_done(struct wpa_radio_work *work);
308 void radio_remove_unstarted_work(struct wpa_supplicant *wpa_s,
309 				 const char *type);
310 void radio_work_check_next(struct wpa_supplicant *wpa_s);
311 
312 struct wpa_connect_work {
313 	unsigned int sme:1;
314 	struct wpa_bss *bss;
315 	struct wpa_ssid *ssid;
316 };
317 
318 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
319 			struct wpa_ssid *test_ssid);
320 void wpas_connect_work_free(struct wpa_connect_work *cwork);
321 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
322 
323 struct wpa_external_work {
324 	unsigned int id;
325 	char type[100];
326 	unsigned int timeout;
327 };
328 
329 /**
330  * offchannel_send_action_result - Result of offchannel send Action frame
331  */
332 enum offchannel_send_action_result {
333 	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
334 	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
335 				       */,
336 	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
337 				       */
338 };
339 
340 struct wps_ap_info {
341 	u8 bssid[ETH_ALEN];
342 	enum wps_ap_info_type {
343 		WPS_AP_NOT_SEL_REG,
344 		WPS_AP_SEL_REG,
345 		WPS_AP_SEL_REG_OUR
346 	} type;
347 	unsigned int tries;
348 	struct os_reltime last_attempt;
349 };
350 
351 struct wpa_ssid_value {
352 	u8 ssid[32];
353 	size_t ssid_len;
354 };
355 
356 /**
357  * struct wpa_supplicant - Internal data for wpa_supplicant interface
358  *
359  * This structure contains the internal data for core wpa_supplicant code. This
360  * should be only used directly from the core code. However, a pointer to this
361  * data is used from other files as an arbitrary context pointer in calls to
362  * core functions.
363  */
364 struct wpa_supplicant {
365 	struct wpa_global *global;
366 	struct wpa_radio *radio; /* shared radio context */
367 	struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
368 	struct wpa_supplicant *parent;
369 	struct wpa_supplicant *next;
370 	struct l2_packet_data *l2;
371 	struct l2_packet_data *l2_br;
372 	unsigned char own_addr[ETH_ALEN];
373 	char ifname[100];
374 #ifdef CONFIG_CTRL_IFACE_DBUS
375 	char *dbus_path;
376 #endif /* CONFIG_CTRL_IFACE_DBUS */
377 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
378 	char *dbus_new_path;
379 	char *dbus_groupobj_path;
380 #ifdef CONFIG_AP
381 	char *preq_notify_peer;
382 #endif /* CONFIG_AP */
383 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
384 	char bridge_ifname[16];
385 
386 	char *confname;
387 	char *confanother;
388 	struct wpa_config *conf;
389 	int countermeasures;
390 	struct os_reltime last_michael_mic_error;
391 	u8 bssid[ETH_ALEN];
392 	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
393 				     * field contains the target BSSID. */
394 	int reassociate; /* reassociation requested */
395 	int disconnected; /* all connections disabled; i.e., do no reassociate
396 			   * before this has been cleared */
397 	struct wpa_ssid *current_ssid;
398 	struct wpa_bss *current_bss;
399 	int ap_ies_from_associnfo;
400 	unsigned int assoc_freq;
401 
402 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
403 	int pairwise_cipher;
404 	int group_cipher;
405 	int key_mgmt;
406 	int wpa_proto;
407 	int mgmt_group_cipher;
408 
409 	void *drv_priv; /* private data used by driver_ops */
410 	void *global_drv_priv;
411 
412 	u8 *bssid_filter;
413 	size_t bssid_filter_count;
414 
415 	u8 *disallow_aps_bssid;
416 	size_t disallow_aps_bssid_count;
417 	struct wpa_ssid_value *disallow_aps_ssid;
418 	size_t disallow_aps_ssid_count;
419 
420 	enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
421 
422 	/* previous scan was wildcard when interleaving between
423 	 * wildcard scans and specific SSID scan when max_ssids=1 */
424 	int prev_scan_wildcard;
425 	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
426 					  * NULL = not yet initialized (start
427 					  * with wildcard SSID)
428 					  * WILDCARD_SSID_SCAN = wildcard
429 					  * SSID was used in the previous scan
430 					  */
431 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
432 
433 	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
434 	int sched_scan_timeout;
435 	int sched_scan_interval;
436 	int first_sched_scan;
437 	int sched_scan_timed_out;
438 
439 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
440 				 struct wpa_scan_results *scan_res);
441 	struct dl_list bss; /* struct wpa_bss::list */
442 	struct dl_list bss_id; /* struct wpa_bss::list_id */
443 	size_t num_bss;
444 	unsigned int bss_update_idx;
445 	unsigned int bss_next_id;
446 
447 	 /*
448 	  * Pointers to BSS entries in the order they were in the last scan
449 	  * results.
450 	  */
451 	struct wpa_bss **last_scan_res;
452 	unsigned int last_scan_res_used;
453 	unsigned int last_scan_res_size;
454 	struct os_reltime last_scan;
455 
456 	struct wpa_driver_ops *driver;
457 	int interface_removed; /* whether the network interface has been
458 				* removed */
459 	struct wpa_sm *wpa;
460 	struct eapol_sm *eapol;
461 
462 	struct ctrl_iface_priv *ctrl_iface;
463 
464 	enum wpa_states wpa_state;
465 	struct wpa_radio_work *scan_work;
466 	int scanning;
467 	int sched_scanning;
468 	int new_connection;
469 
470 	int eapol_received; /* number of EAPOL packets received after the
471 			     * previous association event */
472 
473 	struct scard_data *scard;
474 	char imsi[20];
475 	int mnc_len;
476 
477 	unsigned char last_eapol_src[ETH_ALEN];
478 
479 	unsigned int keys_cleared; /* bitfield of key indexes that the driver is
480 				    * known not to be configured with a key */
481 
482 	struct wpa_blacklist *blacklist;
483 
484 	/**
485 	 * extra_blacklist_count - Sum of blacklist counts after last connection
486 	 *
487 	 * This variable is used to maintain a count of temporary blacklisting
488 	 * failures (maximum number for any BSS) over blacklist clear
489 	 * operations. This is needed for figuring out whether there has been
490 	 * failures prior to the last blacklist clear operation which happens
491 	 * whenever no other not-blacklisted BSS candidates are available. This
492 	 * gets cleared whenever a connection has been established successfully.
493 	 */
494 	int extra_blacklist_count;
495 
496 	/**
497 	 * scan_req - Type of the scan request
498 	 */
499 	enum scan_req_type {
500 		/**
501 		 * NORMAL_SCAN_REQ - Normal scan request
502 		 *
503 		 * This is used for scans initiated by wpa_supplicant to find an
504 		 * AP for a connection.
505 		 */
506 		NORMAL_SCAN_REQ,
507 
508 		/**
509 		 * INITIAL_SCAN_REQ - Initial scan request
510 		 *
511 		 * This is used for the first scan on an interface to force at
512 		 * least one scan to be run even if the configuration does not
513 		 * include any enabled networks.
514 		 */
515 		INITIAL_SCAN_REQ,
516 
517 		/**
518 		 * MANUAL_SCAN_REQ - Manual scan request
519 		 *
520 		 * This is used for scans where the user request a scan or
521 		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
522 		 * to be run.
523 		 */
524 		MANUAL_SCAN_REQ
525 	} scan_req, last_scan_req;
526 	struct os_reltime scan_trigger_time, scan_start_time;
527 	int scan_runs; /* number of scan runs since WPS was started */
528 	int *next_scan_freqs;
529 	int *manual_scan_freqs;
530 	unsigned int manual_scan_passive:1;
531 	unsigned int manual_scan_use_id:1;
532 	unsigned int manual_scan_only_new:1;
533 	unsigned int own_scan_requested:1;
534 	unsigned int own_scan_running:1;
535 	unsigned int external_scan_running:1;
536 	unsigned int clear_driver_scan_cache:1;
537 	unsigned int manual_scan_id;
538 	int scan_interval; /* time in sec between scans to find suitable AP */
539 	int normal_scans; /* normal scans run before sched_scan */
540 	int scan_for_connection; /* whether the scan request was triggered for
541 				  * finding a connection */
542 
543 	unsigned int drv_flags;
544 	unsigned int drv_enc;
545 
546 	/*
547 	 * A bitmap of supported protocols for probe response offload. See
548 	 * struct wpa_driver_capa in driver.h
549 	 */
550 	unsigned int probe_resp_offloads;
551 
552 	/* extended capabilities supported by the driver */
553 	const u8 *extended_capa, *extended_capa_mask;
554 	unsigned int extended_capa_len;
555 
556 	int max_scan_ssids;
557 	int max_sched_scan_ssids;
558 	int sched_scan_supported;
559 	unsigned int max_match_sets;
560 	unsigned int max_remain_on_chan;
561 	unsigned int max_stations;
562 
563 	int pending_mic_error_report;
564 	int pending_mic_error_pairwise;
565 	int mic_errors_seen; /* Michael MIC errors with the current PTK */
566 
567 	struct wps_context *wps;
568 	int wps_success; /* WPS success event received */
569 	struct wps_er *wps_er;
570 	int blacklist_cleared;
571 
572 	struct wpabuf *pending_eapol_rx;
573 	struct os_reltime pending_eapol_rx_time;
574 	u8 pending_eapol_rx_src[ETH_ALEN];
575 	unsigned int last_eapol_matches_bssid:1;
576 	unsigned int eap_expected_failure:1;
577 
578 	struct ibss_rsn *ibss_rsn;
579 
580 	int set_sta_uapsd;
581 	int sta_uapsd;
582 	int set_ap_uapsd;
583 	int ap_uapsd;
584 
585 #ifdef CONFIG_SME
586 	struct {
587 		u8 ssid[32];
588 		size_t ssid_len;
589 		int freq;
590 		u8 assoc_req_ie[200];
591 		size_t assoc_req_ie_len;
592 		int mfp;
593 		int ft_used;
594 		u8 mobility_domain[2];
595 		u8 *ft_ies;
596 		size_t ft_ies_len;
597 		u8 prev_bssid[ETH_ALEN];
598 		int prev_bssid_set;
599 		int auth_alg;
600 		int proto;
601 
602 		int sa_query_count; /* number of pending SA Query requests;
603 				     * 0 = no SA Query in progress */
604 		int sa_query_timed_out;
605 		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
606 					* sa_query_count octets of pending
607 					* SA Query transaction identifiers */
608 		struct os_reltime sa_query_start;
609 		u8 sched_obss_scan;
610 		u16 obss_scan_int;
611 		u16 bss_max_idle_period;
612 #ifdef CONFIG_SAE
613 		struct sae_data sae;
614 		struct wpabuf *sae_token;
615 		int sae_group_index;
616 #endif /* CONFIG_SAE */
617 	} sme;
618 #endif /* CONFIG_SME */
619 
620 #ifdef CONFIG_AP
621 	struct hostapd_iface *ap_iface;
622 	void (*ap_configured_cb)(void *ctx, void *data);
623 	void *ap_configured_cb_ctx;
624 	void *ap_configured_cb_data;
625 #endif /* CONFIG_AP */
626 
627 	unsigned int off_channel_freq;
628 	struct wpabuf *pending_action_tx;
629 	u8 pending_action_src[ETH_ALEN];
630 	u8 pending_action_dst[ETH_ALEN];
631 	u8 pending_action_bssid[ETH_ALEN];
632 	unsigned int pending_action_freq;
633 	int pending_action_no_cck;
634 	int pending_action_without_roc;
635 	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
636 					    unsigned int freq, const u8 *dst,
637 					    const u8 *src, const u8 *bssid,
638 					    const u8 *data, size_t data_len,
639 					    enum offchannel_send_action_result
640 					    result);
641 	unsigned int roc_waiting_drv_freq;
642 	int action_tx_wait_time;
643 
644 	int p2p_mgmt;
645 
646 #ifdef CONFIG_P2P
647 	struct p2p_go_neg_results *go_params;
648 	int create_p2p_iface;
649 	u8 pending_interface_addr[ETH_ALEN];
650 	char pending_interface_name[100];
651 	int pending_interface_type;
652 	int p2p_group_idx;
653 	unsigned int pending_listen_freq;
654 	unsigned int pending_listen_duration;
655 	enum {
656 		NOT_P2P_GROUP_INTERFACE,
657 		P2P_GROUP_INTERFACE_PENDING,
658 		P2P_GROUP_INTERFACE_GO,
659 		P2P_GROUP_INTERFACE_CLIENT
660 	} p2p_group_interface;
661 	struct p2p_group *p2p_group;
662 	int p2p_long_listen; /* remaining time in long Listen state in ms */
663 	char p2p_pin[10];
664 	int p2p_wps_method;
665 	u8 p2p_auth_invite[ETH_ALEN];
666 	int p2p_sd_over_ctrl_iface;
667 	int p2p_in_provisioning;
668 	int pending_invite_ssid_id;
669 	int show_group_started;
670 	u8 go_dev_addr[ETH_ALEN];
671 	int pending_pd_before_join;
672 	u8 pending_join_iface_addr[ETH_ALEN];
673 	u8 pending_join_dev_addr[ETH_ALEN];
674 	int pending_join_wps_method;
675 	u8 p2p_join_ssid[32];
676 	size_t p2p_join_ssid_len;
677 	int p2p_join_scan_count;
678 	int auto_pd_scan_retry;
679 	int force_long_sd;
680 	u16 pending_pd_config_methods;
681 	enum {
682 		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
683 	} pending_pd_use;
684 
685 	/*
686 	 * Whether cross connection is disallowed by the AP to which this
687 	 * interface is associated (only valid if there is an association).
688 	 */
689 	int cross_connect_disallowed;
690 
691 	/*
692 	 * Whether this P2P group is configured to use cross connection (only
693 	 * valid if this is P2P GO interface). The actual cross connect packet
694 	 * forwarding may not be configured depending on the uplink status.
695 	 */
696 	int cross_connect_enabled;
697 
698 	/* Whether cross connection forwarding is in use at the moment. */
699 	int cross_connect_in_use;
700 
701 	/*
702 	 * Uplink interface name for cross connection
703 	 */
704 	char cross_connect_uplink[100];
705 
706 	unsigned int p2p_auto_join:1;
707 	unsigned int p2p_auto_pd:1;
708 	unsigned int p2p_persistent_group:1;
709 	unsigned int p2p_fallback_to_go_neg:1;
710 	unsigned int p2p_pd_before_go_neg:1;
711 	unsigned int p2p_go_ht40:1;
712 	unsigned int p2p_go_vht:1;
713 	unsigned int user_initiated_pd:1;
714 	unsigned int p2p_go_group_formation_completed:1;
715 	unsigned int waiting_presence_resp;
716 	int p2p_first_connection_timeout;
717 	unsigned int p2p_nfc_tag_enabled:1;
718 	unsigned int p2p_peer_oob_pk_hash_known:1;
719 	unsigned int p2p_disable_ip_addr_req:1;
720 	int p2p_persistent_go_freq;
721 	int p2p_persistent_id;
722 	int p2p_go_intent;
723 	int p2p_connect_freq;
724 	struct os_reltime p2p_auto_started;
725 	struct wpa_ssid *p2p_last_4way_hs_fail;
726 	struct wpa_radio_work *p2p_scan_work;
727 	struct wpa_radio_work *p2p_listen_work;
728 	struct wpa_radio_work *p2p_send_action_work;
729 
730 	u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
731 	struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
732 					* formation */
733 	u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
734 	u8 p2p_ip_addr_info[3 * 4];
735 #endif /* CONFIG_P2P */
736 
737 	struct wpa_ssid *bgscan_ssid;
738 	const struct bgscan_ops *bgscan;
739 	void *bgscan_priv;
740 
741 	const struct autoscan_ops *autoscan;
742 	struct wpa_driver_scan_params *autoscan_params;
743 	void *autoscan_priv;
744 
745 	struct wpa_ssid *connect_without_scan;
746 
747 	struct wps_ap_info *wps_ap;
748 	size_t num_wps_ap;
749 	int wps_ap_iter;
750 
751 	int after_wps;
752 	int known_wps_freq;
753 	unsigned int wps_freq;
754 	u16 wps_ap_channel;
755 	int wps_fragment_size;
756 	int auto_reconnect_disabled;
757 
758 	 /* Channel preferences for AP/P2P GO use */
759 	int best_24_freq;
760 	int best_5_freq;
761 	int best_overall_freq;
762 
763 	struct gas_query *gas;
764 
765 #ifdef CONFIG_INTERWORKING
766 	unsigned int fetch_anqp_in_progress:1;
767 	unsigned int network_select:1;
768 	unsigned int auto_select:1;
769 	unsigned int auto_network_select:1;
770 	unsigned int fetch_all_anqp:1;
771 	struct wpa_bss *interworking_gas_bss;
772 #endif /* CONFIG_INTERWORKING */
773 	unsigned int drv_capa_known;
774 
775 	struct {
776 		struct hostapd_hw_modes *modes;
777 		u16 num_modes;
778 		u16 flags;
779 	} hw;
780 
781 	int pno;
782 	int pno_sched_pending;
783 
784 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
785 	int disconnect_reason;
786 
787 	struct ext_password_data *ext_pw;
788 
789 	struct wpabuf *last_gas_resp, *prev_gas_resp;
790 	u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
791 	u8 last_gas_dialog_token, prev_gas_dialog_token;
792 
793 	unsigned int no_keep_alive:1;
794 
795 #ifdef CONFIG_WNM
796 	u8 wnm_dialog_token;
797 	u8 wnm_reply;
798 	u8 wnm_num_neighbor_report;
799 	u8 wnm_mode;
800 	u16 wnm_dissoc_timer;
801 	u8 wnm_validity_interval;
802 	u8 wnm_bss_termination_duration[12];
803 	struct neighbor_report *wnm_neighbor_report_elements;
804 #endif /* CONFIG_WNM */
805 
806 #ifdef CONFIG_TESTING_GET_GTK
807 	u8 last_gtk[32];
808 	size_t last_gtk_len;
809 #endif /* CONFIG_TESTING_GET_GTK */
810 
811 	unsigned int num_multichan_concurrent;
812 	struct wpa_radio_work *connect_work;
813 
814 	unsigned int ext_work_id;
815 };
816 
817 
818 /* wpa_supplicant.c */
819 void wpa_supplicant_apply_ht_overrides(
820 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
821 	struct wpa_driver_associate_params *params);
822 void wpa_supplicant_apply_vht_overrides(
823 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
824 	struct wpa_driver_associate_params *params);
825 
826 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
827 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
828 				    struct wpa_ssid *ssid);
829 
830 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
831 
832 const char * wpa_supplicant_state_txt(enum wpa_states state);
833 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
834 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
835 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
836 			      struct wpa_bss *bss, struct wpa_ssid *ssid,
837 			      u8 *wpa_ie, size_t *wpa_ie_len);
838 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
839 			      struct wpa_bss *bss,
840 			      struct wpa_ssid *ssid);
841 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
842 				       struct wpa_ssid *ssid);
843 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
844 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
845 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
846 				     int sec, int usec);
847 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
848 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
849 			      enum wpa_states state);
850 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
851 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
852 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
853 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
854 				   int reason_code);
855 
856 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
857 				   struct wpa_ssid *ssid);
858 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
859 				    struct wpa_ssid *ssid);
860 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
861 				   struct wpa_ssid *ssid);
862 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
863 					   const char *pkcs11_engine_path,
864 					   const char *pkcs11_module_path);
865 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
866 			       int ap_scan);
867 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
868 					  unsigned int expire_age);
869 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
870 					    unsigned int expire_count);
871 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
872 				     int scan_interval);
873 int wpa_supplicant_set_debug_params(struct wpa_global *global,
874 				    int debug_level, int debug_timestamp,
875 				    int debug_show_keys);
876 void free_hw_features(struct wpa_supplicant *wpa_s);
877 
878 void wpa_show_license(void);
879 
880 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
881 						 struct wpa_interface *iface);
882 int wpa_supplicant_remove_iface(struct wpa_global *global,
883 				struct wpa_supplicant *wpa_s,
884 				int terminate);
885 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
886 						 const char *ifname);
887 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
888 int wpa_supplicant_run(struct wpa_global *global);
889 void wpa_supplicant_deinit(struct wpa_global *global);
890 
891 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
892 			      struct wpa_ssid *ssid);
893 void wpa_supplicant_terminate_proc(struct wpa_global *global);
894 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
895 			     const u8 *buf, size_t len);
896 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
897 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
898 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
899 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
900 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
901 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
902 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
903 			      struct wpa_ssid *ssid, int clear_failures);
904 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
905 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
906 		    size_t ssid_len);
907 void wpas_request_connection(struct wpa_supplicant *wpa_s);
908 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
909 
910 /**
911  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
912  * @wpa_s: Pointer to wpa_supplicant data
913  * @ssid: Pointer to the network block the reply is for
914  * @field: field the response is a reply for
915  * @value: value (ie, password, etc) for @field
916  * Returns: 0 on success, non-zero on error
917  *
918  * Helper function to handle replies to control interface requests.
919  */
920 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
921 					      struct wpa_ssid *ssid,
922 					      const char *field,
923 					      const char *value);
924 
925 /* events.c */
926 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
927 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
928 			   struct wpa_bss *selected,
929 			   struct wpa_ssid *ssid);
930 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
931 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
932 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
933 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
934 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
935 					     struct wpa_ssid **selected_ssid);
936 
937 /* eap_register.c */
938 int eap_register_methods(void);
939 
940 /**
941  * Utility method to tell if a given network is a persistent group
942  * @ssid: Network object
943  * Returns: 1 if network is a persistent group, 0 otherwise
944  */
945 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
946 {
947 	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
948 }
949 
950 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
951 
952 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
953 
954 void dump_freq_array(struct wpa_supplicant *wpa_s, const char *title,
955 		     int *freq_array, unsigned int len);
956 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
957 			   int *freq_array, unsigned int len);
958 
959 #endif /* WPA_SUPPLICANT_I_H */
960