aboutsummaryrefslogtreecommitdiffstats
path: root/wpa_supplicant/config.h
blob: 568af0db3ddfb249f027a5171f31146bae5ac3ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
/*
 * WPA Supplicant / Configuration file structures
 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef CONFIG_H
#define CONFIG_H

#define DEFAULT_EAPOL_VERSION 1
#ifdef CONFIG_NO_SCAN_PROCESSING
#define DEFAULT_AP_SCAN 2
#else /* CONFIG_NO_SCAN_PROCESSING */
#define DEFAULT_AP_SCAN 1
#endif /* CONFIG_NO_SCAN_PROCESSING */
#define DEFAULT_FAST_REAUTH 1
#define DEFAULT_P2P_GO_INTENT 7
#define DEFAULT_P2P_INTRA_BSS 1
#define DEFAULT_P2P_GO_MAX_INACTIVITY (5*60)
#define DEFAULT_BSS_MAX_COUNT 200
#define DEFAULT_BSS_EXPIRATION_AGE 180
#define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2
#define DEFAULT_MAX_NUM_STA 128
#define DEFAULT_ACCESS_NETWORK_TYPE 15
#define MAX_SCHED_SCAN_INTERVAL 3600
#define MAX_NUM_SCHED_SCAN_SHORT_INTERVALS 14
#define DEFAULT_SCHED_SCAN_SHORT_INTERVAL 5
#define DEFAULT_SCHED_SCAN_LONG_INTERVAL 30
#define DEFAULT_SCHED_SCAN_NUM_SHORT_INTERVALS 10

#include "config_ssid.h"
#include "wps/wps.h"
#include "common/wpa_common.h"


struct wpa_cred {
	/**
	 * next - Next credential in the list
	 *
	 * This pointer can be used to iterate over all credentials. The head
	 * of this list is stored in the cred field of struct wpa_config.
	 */
	struct wpa_cred *next;

	/**
	 * id - Unique id for the credential
	 *
	 * This identifier is used as a unique identifier for each credential
	 * block when using the control interface. Each credential is allocated
	 * an id when it is being created, either when reading the
	 * configuration file or when a new credential is added through the
	 * control interface.
	 */
	int id;

	/**
	 * priority - Priority group
	 *
	 * By default, all networks and credentials get the same priority group
	 * (0). This field can be used to give higher priority for credentials
	 * (and similarly in struct wpa_ssid for network blocks) to change the
	 * Interworking automatic networking selection behavior. The matching
	 * network (based on either an enabled network block or a credential)
	 * with the highest priority value will be selected.
	 */
	int priority;

	/**
	 * pcsc - Use PC/SC and SIM/USIM card
	 */
	int pcsc;

	/**
	 * realm - Home Realm for Interworking
	 */
	char *realm;

	/**
	 * username - Username for Interworking network selection
	 */
	char *username;

	/**
	 * password - Password for Interworking network selection
	 */
	char *password;

	/**
	 * ca_cert - CA certificate for Interworking network selection
	 */
	char *ca_cert;

	/**
	 * client_cert - File path to client certificate file (PEM/DER)
	 *
	 * This field is used with Interworking networking selection for a case
	 * where client certificate/private key is used for authentication
	 * (EAP-TLS). Full path to the file should be used since working
	 * directory may change when wpa_supplicant is run in the background.
	 *
	 * Alternatively, a named configuration blob can be used by setting
	 * this to blob://blob_name.
	 */
	char *client_cert;

	/**
	 * private_key - File path to client private key file (PEM/DER/PFX)
	 *
	 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be
	 * commented out. Both the private key and certificate will be read
	 * from the PKCS#12 file in this case. Full path to the file should be
	 * used since working directory may change when wpa_supplicant is run
	 * in the background.
	 *
	 * Windows certificate store can be used by leaving client_cert out and
	 * configuring private_key in one of the following formats:
	 *
	 * cert://substring_to_match
	 *
	 * hash://certificate_thumbprint_in_hex
	 *
	 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4"
	 *
	 * Note that when running wpa_supplicant as an application, the user
	 * certificate store (My user account) is used, whereas computer store
	 * (Computer account) is used when running wpasvc as a service.
	 *
	 * Alternatively, a named configuration blob can be used by setting
	 * this to blob://blob_name.
	 */
	char *private_key;

	/**
	 * private_key_passwd - Password for private key file
	 */
	char *private_key_passwd;

	/**
	 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format
	 */
	char *imsi;

	/**
	 * milenage - Milenage parameters for SIM/USIM simulator in
	 *	<Ki>:<OPc>:<SQN> format
	 */
	char *milenage;

	/**
	 * domain - Home service provider FQDN
	 *
	 * This is used to compare against the Domain Name List to figure out
	 * whether the AP is operated by the Home SP.
	 */
	char *domain;
};


#define CFG_CHANGED_DEVICE_NAME BIT(0)
#define CFG_CHANGED_CONFIG_METHODS BIT(1)
#define CFG_CHANGED_DEVICE_TYPE BIT(2)
#define CFG_CHANGED_OS_VERSION BIT(3)
#define CFG_CHANGED_UUID BIT(4)
#define CFG_CHANGED_COUNTRY BIT(5)
#define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6)
#define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7)
#define CFG_CHANGED_WPS_STRING BIT(8)
#define CFG_CHANGED_P2P_INTRA_BSS BIT(9)
#define CFG_CHANGED_VENDOR_EXTENSION BIT(10)
#define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11)
#define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12)
#define CFG_CHANGED_P2P_PREF_CHAN BIT(13)
#ifdef ANDROID_P2P
#define CFG_CHANGED_IFACE_PRIORITY BIT(14)
#endif

/**
 * struct wpa_config - wpa_supplicant configuration data
 *
 * This data structure is presents the per-interface (radio) configuration
 * data. In many cases, there is only one struct wpa_config instance, but if
 * more than one network interface is being controlled, one instance is used
 * for each.
 */
struct wpa_config {
	/**
	 * ssid - Head of the global network list
	 *
	 * This is the head for the list of all the configured networks.
	 */
	struct wpa_ssid *ssid;

	/**
	 * pssid - Per-priority network lists (in priority order)
	 */
	struct wpa_ssid **pssid;

	/**
	 * num_prio - Number of different priorities used in the pssid lists
	 *
	 * This indicates how many per-priority network lists are included in
	 * pssid.
	 */
	int num_prio;

	/**
	 * cred - Head of the credential list
	 *
	 * This is the head for the list of all the configured credentials.
	 */
	struct wpa_cred *cred;

	/**
	 * eapol_version - IEEE 802.1X/EAPOL version number
	 *
	 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which
	 * defines EAPOL version 2. However, there are many APs that do not
	 * handle the new version number correctly (they seem to drop the
	 * frames completely). In order to make wpa_supplicant interoperate
	 * with these APs, the version number is set to 1 by default. This
	 * configuration value can be used to set it to the new version (2).
	 */
	int eapol_version;

	/**
	 * ap_scan - AP scanning/selection
	 *
	 * By default, wpa_supplicant requests driver to perform AP
	 * scanning and then uses the scan results to select a
	 * suitable AP. Another alternative is to allow the driver to
	 * take care of AP scanning and selection and use
	 * wpa_supplicant just to process EAPOL frames based on IEEE
	 * 802.11 association information from the driver.
	 *
	 * 1: wpa_supplicant initiates scanning and AP selection (default).
	 *
	 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11
	 * association parameters (e.g., WPA IE generation); this mode can
	 * also be used with non-WPA drivers when using IEEE 802.1X mode;
	 * do not try to associate with APs (i.e., external program needs
	 * to control association). This mode must also be used when using
	 * wired Ethernet drivers.
	 *
	 * 2: like 0, but associate with APs using security policy and SSID
	 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS
	 * drivers to enable operation with hidden SSIDs and optimized roaming;
	 * in this mode, the network blocks in the configuration are tried
	 * one by one until the driver reports successful association; each
	 * network block should have explicit security policy (i.e., only one
	 * option in the lists) for key_mgmt, pairwise, group, proto variables.
	 */
	int ap_scan;

	/**
	 * disable_scan_offload - Disable automatic offloading of scan requests
	 *
	 * By default, %wpa_supplicant tries to offload scanning if the driver
	 * indicates support for this (sched_scan). This configuration
	 * parameter can be used to disable this offloading mechanism.
	 */
	int disable_scan_offload;

	/**
	 * ctrl_interface - Parameters for the control interface
	 *
	 * If this is specified, %wpa_supplicant will open a control interface
	 * that is available for external programs to manage %wpa_supplicant.
	 * The meaning of this string depends on which control interface
	 * mechanism is used. For all cases, the existence of this parameter
	 * in configuration is used to determine whether the control interface
	 * is enabled.
	 *
	 * For UNIX domain sockets (default on Linux and BSD): This is a
	 * directory that will be created for UNIX domain sockets for listening
	 * to requests from external programs (CLI/GUI, etc.) for status
	 * information and configuration. The socket file will be named based
	 * on the interface name, so multiple %wpa_supplicant processes can be
	 * run at the same time if more than one interface is used.
	 * /var/run/wpa_supplicant is the recommended directory for sockets and
	 * by default, wpa_cli will use it when trying to connect with
	 * %wpa_supplicant.
	 *
	 * Access control for the control interface can be configured
	 * by setting the directory to allow only members of a group
	 * to use sockets. This way, it is possible to run
	 * %wpa_supplicant as root (since it needs to change network
	 * configuration and open raw sockets) and still allow GUI/CLI
	 * components to be run as non-root users. However, since the
	 * control interface can be used to change the network
	 * configuration, this access needs to be protected in many
	 * cases. By default, %wpa_supplicant is configured to use gid
	 * 0 (root). If you want to allow non-root users to use the
	 * control interface, add a new group and change this value to
	 * match with that group. Add users that should have control
	 * interface access to this group.
	 *
	 * When configuring both the directory and group, use following format:
	 * DIR=/var/run/wpa_supplicant GROUP=wheel
	 * DIR=/var/run/wpa_supplicant GROUP=0
	 * (group can be either group name or gid)
	 *
	 * For UDP connections (default on Windows): The value will be ignored.
	 * This variable is just used to select that the control interface is
	 * to be created. The value can be set to, e.g., udp
	 * (ctrl_interface=udp).
	 *
	 * For Windows Named Pipe: This value can be used to set the security
	 * descriptor for controlling access to the control interface. Security
	 * descriptor can be set using Security Descriptor String Format (see
	 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp).
	 * The descriptor string needs to be prefixed with SDDL=. For example,
	 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject
	 * all connections).
	 */
	char *ctrl_interface;

	/**
	 * ctrl_interface_group - Control interface group (DEPRECATED)
	 *
	 * This variable is only used for backwards compatibility. Group for
	 * UNIX domain sockets should now be specified using GROUP=group in
	 * ctrl_interface variable.
	 */
	char *ctrl_interface_group;

	/**
	 * fast_reauth - EAP fast re-authentication (session resumption)
	 *
	 * By default, fast re-authentication is enabled for all EAP methods
	 * that support it. This variable can be used to disable fast
	 * re-authentication (by setting fast_reauth=0). Normally, there is no
	 * need to disable fast re-authentication.
	 */
	int fast_reauth;

	/**
	 * opensc_engine_path - Path to the OpenSSL engine for opensc
	 *
	 * This is an OpenSSL specific configuration option for loading OpenSC
	 * engine (engine_opensc.so); if %NULL, this engine is not loaded.
	 */
	char *opensc_engine_path;

	/**
	 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11
	 *
	 * This is an OpenSSL specific configuration option for loading PKCS#11
	 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded.
	 */
	char *pkcs11_engine_path;

	/**
	 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module
	 *
	 * This is an OpenSSL specific configuration option for configuring
	 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this
	 * module is not loaded.
	 */
	char *pkcs11_module_path;

	/**
	 * pcsc_reader - PC/SC reader name prefix
	 *
	 * If not %NULL, PC/SC reader with a name that matches this prefix is
	 * initialized for SIM/USIM access. Empty string can be used to match
	 * the first available reader.
	 */
	char *pcsc_reader;

	/**
	 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards
	 *
	 * This field is used to configure PIN for SIM/USIM for EAP-SIM and
	 * EAP-AKA. If left out, this will be asked through control interface.
	 */
	char *pcsc_pin;

	/**
	 * driver_param - Driver interface parameters
	 *
	 * This text string is passed to the selected driver interface with the
	 * optional struct wpa_driver_ops::set_param() handler. This can be
	 * used to configure driver specific options without having to add new
	 * driver interface functionality.
	 */
	char *driver_param;

	/**
	 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK
	 *
	 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK
	 * cache (unit: seconds).
	 */
	unsigned int dot11RSNAConfigPMKLifetime;

	/**
	 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold
	 *
	 * dot11 MIB variable for the percentage of the PMK lifetime
	 * that should expire before an IEEE 802.1X reauthentication occurs.
	 */
	unsigned int dot11RSNAConfigPMKReauthThreshold;

	/**
	 * dot11RSNAConfigSATimeout - Security association timeout
	 *
	 * dot11 MIB variable for the maximum time a security association
	 * shall take to set up (unit: seconds).
	 */
	unsigned int dot11RSNAConfigSATimeout;

	/**
	 * update_config - Is wpa_supplicant allowed to update configuration
	 *
	 * This variable control whether wpa_supplicant is allow to re-write
	 * its configuration with wpa_config_write(). If this is zero,
	 * configuration data is only changed in memory and the external data
	 * is not overriden. If this is non-zero, wpa_supplicant will update
	 * the configuration data (e.g., a file) whenever configuration is
	 * changed. This update may replace the old configuration which can
	 * remove comments from it in case of a text file configuration.
	 */
	int update_config;

	/**
	 * blobs - Configuration blobs
	 */
	struct wpa_config_blob *blobs;

	/**
	 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS
	 */
	u8 uuid[16];

	/**
	 * device_name - Device Name (WPS)
	 * User-friendly description of device; up to 32 octets encoded in
	 * UTF-8
	 */
	char *device_name;

	/**
	 * manufacturer - Manufacturer (WPS)
	 * The manufacturer of the device (up to 64 ASCII characters)
	 */
	char *manufacturer;

	/**
	 * model_name - Model Name (WPS)
	 * Model of the device (up to 32 ASCII characters)
	 */
	char *model_name;

	/**
	 * model_number - Model Number (WPS)
	 * Additional device description (up to 32 ASCII characters)
	 */
	char *model_number;

	/**
	 * serial_number - Serial Number (WPS)
	 * Serial number of the device (up to 32 characters)
	 */
	char *serial_number;

	/**
	 * device_type - Primary Device Type (WPS)
	 */
	u8 device_type[WPS_DEV_TYPE_LEN];

	/**
	 * config_methods - Config Methods
	 *
	 * This is a space-separated list of supported WPS configuration
	 * methods. For example, "label virtual_display virtual_push_button
	 * keypad".
	 * Available methods: usba ethernet label display ext_nfc_token
	 * int_nfc_token nfc_interface push_button keypad
	 * virtual_display physical_display
	 * virtual_push_button physical_push_button.
	 */
	char *config_methods;

	/**
	 * os_version - OS Version (WPS)
	 * 4-octet operating system version number
	 */
	u8 os_version[4];

	/**
	 * country - Country code
	 *
	 * This is the ISO/IEC alpha2 country code for which we are operating
	 * in
	 */
	char country[2];

	/**
	 * wps_cred_processing - Credential processing
	 *
	 *   0 = process received credentials internally
	 *   1 = do not process received credentials; just pass them over
	 *	ctrl_iface to external program(s)
	 *   2 = process received credentials internally and pass them over
	 *	ctrl_iface to external program(s)
	 */
	int wps_cred_processing;

#define MAX_SEC_DEVICE_TYPES 5
	/**
	 * sec_device_types - Secondary Device Types (P2P)
	 */
	u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
	int num_sec_device_types;

	int p2p_listen_reg_class;
	int p2p_listen_channel;
	int p2p_oper_reg_class;
	int p2p_oper_channel;
	int p2p_go_intent;
	char *p2p_ssid_postfix;
	int persistent_reconnect;
	int p2p_intra_bss;
	unsigned int num_p2p_pref_chan;
	struct p2p_channel *p2p_pref_chan;

	struct wpabuf *wps_vendor_ext_m1;
	struct wpa_wmm_ac_params wmm_ac_params[4];

#define MAX_WPS_VENDOR_EXT 10
	/**
	 * wps_vendor_ext - Vendor extension attributes in WPS
	 */
	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT];

	/**
	 * p2p_group_idle - Maximum idle time in seconds for P2P group
	 *
	 * This value controls how long a P2P group is maintained after there
	 * is no other members in the group. As a GO, this means no associated
	 * stations in the group. As a P2P client, this means no GO seen in
	 * scan results. The maximum idle time is specified in seconds with 0
	 * indicating no time limit, i.e., the P2P group remains in active
	 * state indefinitely until explicitly removed. As a P2P client, the
	 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e.,
	 * this parameter is mainly meant for GO use and for P2P client, it can
	 * only be used to reduce the default timeout to smaller value. A
	 * special value -1 can be used to configure immediate removal of the
	 * group for P2P client role on any disconnection after the data
	 * connection has been established.
	 */
	int p2p_group_idle;

	/**
	 * bss_max_count - Maximum number of BSS entries to keep in memory
	 */
	unsigned int bss_max_count;

	/**
	 * bss_expiration_age - BSS entry age after which it can be expired
	 *
	 * This value controls the time in seconds after which a BSS entry
	 * gets removed if it has not been updated or is not in use.
	 */
	unsigned int bss_expiration_age;

	/**
	 * bss_expiration_scan_count - Expire BSS after number of scans
	 *
	 * If the BSS entry has not been seen in this many scans, it will be
	 * removed. A value of 1 means that entry is removed after the first
	 * scan in which the BSSID is not seen. Larger values can be used
	 * to avoid BSS entries disappearing if they are not visible in
	 * every scan (e.g., low signal quality or interference).
	 */
	unsigned int bss_expiration_scan_count;

	/**
	 * filter_ssids - SSID-based scan result filtering
	 *
	 *   0 = do not filter scan results
	 *   1 = only include configured SSIDs in scan results/BSS table
	 */
	int filter_ssids;

	/**
	 * filter_rssi - RSSI-based scan result filtering
	 *
	 * 0 = do not filter scan results
	 * -n = filter scan results below -n dBm
	 */
	int filter_rssi;

	/**
	 * max_num_sta - Maximum number of STAs in an AP/P2P GO
	 */
	unsigned int max_num_sta;

	/**
	 * changed_parameters - Bitmap of changed parameters since last update
	 */
	unsigned int changed_parameters;

	/**
	 * disassoc_low_ack - Disassocicate stations with massive packet loss
	 */
	int disassoc_low_ack;

	/**
	 * interworking - Whether Interworking (IEEE 802.11u) is enabled
	 */
	int interworking;

	/**
	 * access_network_type - Access Network Type
	 *
	 * When Interworking is enabled, scans will be limited to APs that
	 * advertise the specified Access Network Type (0..15; with 15
	 * indicating wildcard match).
	 */
	int access_network_type;

	/**
	 * hessid - Homogenous ESS identifier
	 *
	 * If this is set (any octet is non-zero), scans will be used to
	 * request response only from BSSes belonging to the specified
	 * Homogeneous ESS. This is used only if interworking is enabled.
	 */
	u8 hessid[ETH_ALEN];

	/**
	 * hs20 - Hotspot 2.0
	 */
	int hs20;

	/**
	 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7
	 *
	 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities
	 * by acting as a Registrar and using M1 from the AP. The config
	 * methods attribute in that message is supposed to indicate only the
	 * configuration method supported by the AP in Enrollee role, i.e., to
	 * add an external Registrar. For that case, PBC shall not be used and
	 * as such, the PushButton config method is removed from M1 by default.
	 * If pbc_in_m1=1 is included in the configuration file, the PushButton
	 * config method is left in M1 (if included in config_methods
	 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from
	 * a label in the AP).
	 */
	int pbc_in_m1;

	/**
	 * autoscan - Automatic scan parameters or %NULL if none
	 *
	 * This is an optional set of parameters for automatic scanning
	 * within an interface in following format:
	 * <autoscan module name>:<module parameters>
	 */
	char *autoscan;

	/**
	 * wps_nfc_dev_pw_id - NFC Device Password ID for password token
	 */
	int wps_nfc_dev_pw_id;

	/**
	 * wps_nfc_dh_pubkey - NFC DH Public Key for password token
	 */
	struct wpabuf *wps_nfc_dh_pubkey;

	/**
	 * wps_nfc_dh_pubkey - NFC DH Private Key for password token
	 */
	struct wpabuf *wps_nfc_dh_privkey;

	/**
	 * wps_nfc_dh_pubkey - NFC Device Password for password token
	 */
	struct wpabuf *wps_nfc_dev_pw;


	/**
	 * p2p_go_max_inactivity - Timeout in seconds to detect STA's inactivity
	 *
	 * This timeout value is used in P2P GO mode to clean up
	 * inactive stations.
	 * By default: 300 seconds.
	 */
	int p2p_go_max_inactivity;

	/**
	 * p2p_go_ht40 - Default mode for HT40 enable when operating as GO.
	 *
	 * This will take effect for p2p_group_add and p2p_connect. Note that
	 * regulatory constraints and driver capabilities are consulted anyway,
	 * so setting it to 1 can't do real harm
	 * By default: 0 (disabled)
	 */
	int p2p_go_ht40;

	/**
	 * sched_scan_short_interval - Initial interval for sched scan in secs
	 * sched scan will start with this interval for num_short_intervals
	 * intervals and then switch to a longer interval defined by
	 * sched_scan_long_interval;
	 */
	int sched_scan_short_interval;

	/**
	 * long_sched_scan_interval - see sched_scan_short_interval
	 */
	int sched_scan_long_interval;

	/**
	 * sched_scan_num_short_intervals - see sched_scan_short_interval
	 */
	int sched_scan_num_short_intervals;

#ifdef ANDROID_P2P
	/**
	 * prioritize - Prioritize an Interface
	 * Interface name of the interface that needs to be proritized; Useful
	 * for resolving conflicts in connection. up to 16 octets encoded in
	 * UTF-8
	 */
	char *prioritize;

	/*
	 * 0 - support STA + P2P CL/GO on the same channel (BRCM default)
	 * 1 - support only one connection at a time (WL8)
	 * 2 - support STA + P2P GO on same channel, but not P2P CL (WL6/7)
	 */
	int p2p_conc_mode;
#endif
};


/* Prototypes for common functions from config.c */

void wpa_config_free(struct wpa_config *ssid);
void wpa_config_free_ssid(struct wpa_ssid *ssid);
void wpa_config_foreach_network(struct wpa_config *config,
				void (*func)(void *, struct wpa_ssid *),
				void *arg);
struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id);
struct wpa_ssid * wpa_config_add_network(struct wpa_config *config);
int wpa_config_remove_network(struct wpa_config *config, int id);
void wpa_config_set_network_defaults(struct wpa_ssid *ssid);
int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
		   int line);
int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
			  const char *value);
char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys);
char * wpa_config_get(struct wpa_ssid *ssid, const char *var);
char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var);
void wpa_config_update_psk(struct wpa_ssid *ssid);
int wpa_config_add_prio_network(struct wpa_config *config,
				struct wpa_ssid *ssid);
int wpa_config_update_prio_list(struct wpa_config *config);
const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
						   const char *name);
void wpa_config_set_blob(struct wpa_config *config,
			 struct wpa_config_blob *blob);
void wpa_config_free_blob(struct wpa_config_blob *blob);
int wpa_config_remove_blob(struct wpa_config *config, const char *name);

struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id);
struct wpa_cred * wpa_config_add_cred(struct wpa_config *config);
int wpa_config_remove_cred(struct wpa_config *config, int id);
void wpa_config_free_cred(struct wpa_cred *cred);
int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
			const char *value, int line);

struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
					   const char *driver_param);
#ifndef CONFIG_NO_STDOUT_DEBUG
void wpa_config_debug_dump_networks(struct wpa_config *config);
#else /* CONFIG_NO_STDOUT_DEBUG */
#define wpa_config_debug_dump_networks(c) do { } while (0)
#endif /* CONFIG_NO_STDOUT_DEBUG */


/* Prototypes for common functions from config.c */
int wpa_config_process_global(struct wpa_config *config, char *pos, int line);


/* Prototypes for backend specific functions from the selected config_*.c */

/**
 * wpa_config_read - Read and parse configuration database
 * @name: Name of the configuration (e.g., path and file name for the
 * configuration file)
 * Returns: Pointer to allocated configuration data or %NULL on failure
 *
 * This function reads configuration data, parses its contents, and allocates
 * data structures needed for storing configuration information. The allocated
 * data can be freed with wpa_config_free().
 *
 * Each configuration backend needs to implement this function.
 */
struct wpa_config * wpa_config_read(const char *name);

/**
 * wpa_config_write - Write or update configuration data
 * @name: Name of the configuration (e.g., path and file name for the
 * configuration file)
 * @config: Configuration data from wpa_config_read()
 * Returns: 0 on success, -1 on failure
 *
 * This function write all configuration data into an external database (e.g.,
 * a text file) in a format that can be read with wpa_config_read(). This can
 * be used to allow wpa_supplicant to update its configuration, e.g., when a
 * new network is added or a password is changed.
 *
 * Each configuration backend needs to implement this function.
 */
int wpa_config_write(const char *name, struct wpa_config *config);

#endif /* CONFIG_H */