1 /*
2  * WPA Supplicant / Configuration file structures
3  * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef CONFIG_H
10 #define CONFIG_H
11 
12 #define DEFAULT_EAPOL_VERSION 1
13 #ifdef CONFIG_NO_SCAN_PROCESSING
14 #define DEFAULT_AP_SCAN 2
15 #else /* CONFIG_NO_SCAN_PROCESSING */
16 #define DEFAULT_AP_SCAN 1
17 #endif /* CONFIG_NO_SCAN_PROCESSING */
18 #define DEFAULT_USER_MPM 1
19 #define DEFAULT_MAX_PEER_LINKS 99
20 #define DEFAULT_MESH_MAX_INACTIVITY 300
21 /*
22  * The default dot11RSNASAERetransPeriod is defined as 40 ms in the standard,
23  * but use 1000 ms in practice to avoid issues on low power CPUs.
24  */
25 #define DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD 1000
26 #define DEFAULT_FAST_REAUTH 1
27 #define DEFAULT_P2P_GO_INTENT 7
28 #define DEFAULT_P2P_INTRA_BSS 1
29 #define DEFAULT_P2P_GO_MAX_INACTIVITY (5 * 60)
30 #define DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN 0
31 #define DEFAULT_BSS_MAX_COUNT 200
32 #define DEFAULT_BSS_EXPIRATION_AGE 180
33 #define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2
34 #define DEFAULT_MAX_NUM_STA 128
35 #define DEFAULT_AP_ISOLATE 0
36 #define DEFAULT_ACCESS_NETWORK_TYPE 15
37 #define DEFAULT_SCAN_CUR_FREQ 0
38 #define DEFAULT_P2P_SEARCH_DELAY 500
39 #define DEFAULT_RAND_ADDR_LIFETIME 60
40 #define DEFAULT_KEY_MGMT_OFFLOAD 1
41 #define DEFAULT_CERT_IN_CB 1
42 #define DEFAULT_P2P_GO_CTWINDOW 0
43 #define DEFAULT_WPA_RSC_RELAXATION 1
44 #define DEFAULT_MBO_CELL_CAPA MBO_CELL_CAPA_NOT_SUPPORTED
45 #define DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD -75
46 #define DEFAULT_OCE_SUPPORT OCE_STA
47 #define DEFAULT_EXTENDED_KEY_ID 0
48 #define DEFAULT_BTM_OFFLOAD 0
49 #define DEFAULT_SCAN_RES_VALID_FOR_CONNECT 5
50 
51 #include "config_ssid.h"
52 #include "wps/wps.h"
53 #include "common/ieee802_11_defs.h"
54 #include "common/ieee802_11_common.h"
55 
56 
57 #define MAX_ROAMING_CONS 36
58 #define MAX_ROAMING_CONS_OI_LEN 15
59 
60 struct wpa_cred {
61 	/**
62 	 * next - Next credential in the list
63 	 *
64 	 * This pointer can be used to iterate over all credentials. The head
65 	 * of this list is stored in the cred field of struct wpa_config.
66 	 */
67 	struct wpa_cred *next;
68 
69 	/**
70 	 * id - Unique id for the credential
71 	 *
72 	 * This identifier is used as a unique identifier for each credential
73 	 * block when using the control interface. Each credential is allocated
74 	 * an id when it is being created, either when reading the
75 	 * configuration file or when a new credential is added through the
76 	 * control interface.
77 	 */
78 	int id;
79 
80 	/**
81 	 * temporary - Whether this credential is temporary and not to be saved
82 	 */
83 	int temporary;
84 
85 	/**
86 	 * priority - Priority group
87 	 *
88 	 * By default, all networks and credentials get the same priority group
89 	 * (0). This field can be used to give higher priority for credentials
90 	 * (and similarly in struct wpa_ssid for network blocks) to change the
91 	 * Interworking automatic networking selection behavior. The matching
92 	 * network (based on either an enabled network block or a credential)
93 	 * with the highest priority value will be selected.
94 	 */
95 	int priority;
96 
97 	/**
98 	 * pcsc - Use PC/SC and SIM/USIM card
99 	 */
100 	int pcsc;
101 
102 	/**
103 	 * realm - Home Realm for Interworking
104 	 */
105 	char *realm;
106 
107 	/**
108 	 * username - Username for Interworking network selection
109 	 */
110 	char *username;
111 
112 	/**
113 	 * password - Password for Interworking network selection
114 	 */
115 	char *password;
116 
117 	/**
118 	 * ext_password - Whether password is a name for external storage
119 	 */
120 	int ext_password;
121 
122 	/**
123 	 * ca_cert - CA certificate for Interworking network selection
124 	 */
125 	char *ca_cert;
126 
127 	/**
128 	 * client_cert - File path to client certificate file (PEM/DER)
129 	 *
130 	 * This field is used with Interworking networking selection for a case
131 	 * where client certificate/private key is used for authentication
132 	 * (EAP-TLS). Full path to the file should be used since working
133 	 * directory may change when wpa_supplicant is run in the background.
134 	 *
135 	 * Alternatively, a named configuration blob can be used by setting
136 	 * this to blob://blob_name.
137 	 */
138 	char *client_cert;
139 
140 	/**
141 	 * private_key - File path to client private key file (PEM/DER/PFX)
142 	 *
143 	 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be
144 	 * commented out. Both the private key and certificate will be read
145 	 * from the PKCS#12 file in this case. Full path to the file should be
146 	 * used since working directory may change when wpa_supplicant is run
147 	 * in the background.
148 	 *
149 	 * Windows certificate store can be used by leaving client_cert out and
150 	 * configuring private_key in one of the following formats:
151 	 *
152 	 * cert://substring_to_match
153 	 *
154 	 * hash://certificate_thumbprint_in_hex
155 	 *
156 	 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4"
157 	 *
158 	 * Note that when running wpa_supplicant as an application, the user
159 	 * certificate store (My user account) is used, whereas computer store
160 	 * (Computer account) is used when running wpasvc as a service.
161 	 *
162 	 * Alternatively, a named configuration blob can be used by setting
163 	 * this to blob://blob_name.
164 	 */
165 	char *private_key;
166 
167 	/**
168 	 * private_key_passwd - Password for private key file
169 	 */
170 	char *private_key_passwd;
171 
172 	/**
173 	 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format
174 	 */
175 	char *imsi;
176 
177 	/**
178 	 * milenage - Milenage parameters for SIM/USIM simulator in
179 	 *	<Ki>:<OPc>:<SQN> format
180 	 */
181 	char *milenage;
182 
183 	/**
184 	 * domain_suffix_match - Constraint for server domain name
185 	 *
186 	 * If set, this FQDN is used as a suffix match requirement for the AAA
187 	 * server certificate in SubjectAltName dNSName element(s). If a
188 	 * matching dNSName is found, this constraint is met. If no dNSName
189 	 * values are present, this constraint is matched against SubjectName CN
190 	 * using same suffix match comparison. Suffix match here means that the
191 	 * host/domain name is compared one label at a time starting from the
192 	 * top-level domain and all the labels in @domain_suffix_match shall be
193 	 * included in the certificate. The certificate may include additional
194 	 * sub-level labels in addition to the required labels.
195 	 *
196 	 * For example, domain_suffix_match=example.com would match
197 	 * test.example.com but would not match test-example.com.
198 	 */
199 	char *domain_suffix_match;
200 
201 	/**
202 	 * domain - Home service provider FQDN(s)
203 	 *
204 	 * This is used to compare against the Domain Name List to figure out
205 	 * whether the AP is operated by the Home SP. Multiple domain entries
206 	 * can be used to configure alternative FQDNs that will be considered
207 	 * home networks.
208 	 */
209 	char **domain;
210 
211 	/**
212 	 * num_domain - Number of FQDNs in the domain array
213 	 */
214 	size_t num_domain;
215 
216 	/**
217 	 * roaming_consortium - Roaming Consortium OI
218 	 *
219 	 * If roaming_consortium_len is non-zero, this field contains the
220 	 * Roaming Consortium OI that can be used to determine which access
221 	 * points support authentication with this credential. This is an
222 	 * alternative to the use of the realm parameter. When using Roaming
223 	 * Consortium to match the network, the EAP parameters need to be
224 	 * pre-configured with the credential since the NAI Realm information
225 	 * may not be available or fetched.
226 	 */
227 	u8 roaming_consortium[15];
228 
229 	/**
230 	 * roaming_consortium_len - Length of roaming_consortium
231 	 */
232 	size_t roaming_consortium_len;
233 
234 	/**
235 	 * required_roaming_consortium - Required Roaming Consortium OI
236 	 *
237 	 * If required_roaming_consortium_len is non-zero, this field contains
238 	 * the Roaming Consortium OI that is required to be advertised by the AP
239 	 * for the credential to be considered matching.
240 	 */
241 	u8 required_roaming_consortium[15];
242 
243 	/**
244 	 * required_roaming_consortium_len - Length of required_roaming_consortium
245 	 */
246 	size_t required_roaming_consortium_len;
247 
248 	/**
249 	 * roaming_consortiums - Roaming Consortium OI(s) memberships
250 	 *
251 	 * This field contains one or more OIs identifying the roaming
252 	 * consortiums of which the provider is a member. The list is sorted
253 	 * from the most preferred one to the least preferred one. A match
254 	 * between the Roaming Consortium OIs advertised by an AP and the OIs
255 	 * in this list indicates that successful authentication is possible.
256 	 * (Hotspot 2.0 PerProviderSubscription/<X+>/HomeSP/RoamingConsortiumOI)
257 	 */
258 	u8 roaming_consortiums[MAX_ROAMING_CONS][MAX_ROAMING_CONS_OI_LEN];
259 
260 	/**
261 	 * roaming_consortiums_len - Length on roaming_consortiums[i]
262 	 */
263 	size_t roaming_consortiums_len[MAX_ROAMING_CONS];
264 
265 	/**
266 	 * num_roaming_consortiums - Number of entries in roaming_consortiums
267 	 */
268 	unsigned int num_roaming_consortiums;
269 
270 	/**
271 	 * eap_method - EAP method to use
272 	 *
273 	 * Pre-configured EAP method to use with this credential or %NULL to
274 	 * indicate no EAP method is selected, i.e., the method will be
275 	 * selected automatically based on ANQP information.
276 	 */
277 	struct eap_method_type *eap_method;
278 
279 	/**
280 	 * phase1 - Phase 1 (outer authentication) parameters
281 	 *
282 	 * Pre-configured EAP parameters or %NULL.
283 	 */
284 	char *phase1;
285 
286 	/**
287 	 * phase2 - Phase 2 (inner authentication) parameters
288 	 *
289 	 * Pre-configured EAP parameters or %NULL.
290 	 */
291 	char *phase2;
292 
293 	struct excluded_ssid {
294 		u8 ssid[SSID_MAX_LEN];
295 		size_t ssid_len;
296 	} *excluded_ssid;
297 	size_t num_excluded_ssid;
298 
299 	struct roaming_partner {
300 		char fqdn[128];
301 		int exact_match;
302 		u8 priority;
303 		char country[3];
304 	} *roaming_partner;
305 	size_t num_roaming_partner;
306 
307 	int update_identifier;
308 
309 	/**
310 	 * provisioning_sp - FQDN of the SP that provisioned the credential
311 	 */
312 	char *provisioning_sp;
313 
314 	/**
315 	 * sp_priority - Credential priority within a provisioning SP
316 	 *
317 	 * This is the priority of the credential among all credentials
318 	 * provisionined by the same SP (i.e., for entries that have identical
319 	 * provisioning_sp value). The range of this priority is 0-255 with 0
320 	 * being the highest and 255 the lower priority.
321 	 */
322 	int sp_priority;
323 
324 	unsigned int min_dl_bandwidth_home;
325 	unsigned int min_ul_bandwidth_home;
326 	unsigned int min_dl_bandwidth_roaming;
327 	unsigned int min_ul_bandwidth_roaming;
328 
329 	/**
330 	 * max_bss_load - Maximum BSS Load Channel Utilization (1..255)
331 	 * This value is used as the maximum channel utilization for network
332 	 * selection purposes for home networks. If the AP does not advertise
333 	 * BSS Load or if the limit would prevent any connection, this
334 	 * constraint will be ignored.
335 	 */
336 	unsigned int max_bss_load;
337 
338 	size_t num_req_conn_capab;
339 	u8 *req_conn_capab_proto;
340 	int **req_conn_capab_port;
341 
342 	/**
343 	 * ocsp - Whether to use/require OCSP to check server certificate
344 	 *
345 	 * 0 = do not use OCSP stapling (TLS certificate status extension)
346 	 * 1 = try to use OCSP stapling, but not require response
347 	 * 2 = require valid OCSP stapling response
348 	 */
349 	int ocsp;
350 
351 	/**
352 	 * sim_num - User selected SIM identifier
353 	 *
354 	 * This variable is used for identifying which SIM is used if the system
355 	 * has more than one.
356 	 */
357 	int sim_num;
358 };
359 
360 
361 #define CFG_CHANGED_DEVICE_NAME BIT(0)
362 #define CFG_CHANGED_CONFIG_METHODS BIT(1)
363 #define CFG_CHANGED_DEVICE_TYPE BIT(2)
364 #define CFG_CHANGED_OS_VERSION BIT(3)
365 #define CFG_CHANGED_UUID BIT(4)
366 #define CFG_CHANGED_COUNTRY BIT(5)
367 #define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6)
368 #define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7)
369 #define CFG_CHANGED_WPS_STRING BIT(8)
370 #define CFG_CHANGED_P2P_INTRA_BSS BIT(9)
371 #define CFG_CHANGED_VENDOR_EXTENSION BIT(10)
372 #define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11)
373 #define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12)
374 #define CFG_CHANGED_P2P_PREF_CHAN BIT(13)
375 #define CFG_CHANGED_EXT_PW_BACKEND BIT(14)
376 #define CFG_CHANGED_NFC_PASSWORD_TOKEN BIT(15)
377 #define CFG_CHANGED_P2P_PASSPHRASE_LEN BIT(16)
378 #define CFG_CHANGED_SCHED_SCAN_PLANS BIT(17)
379 #define CFG_CHANGED_WOWLAN_TRIGGERS BIT(18)
380 #define CFG_CHANGED_DISABLE_BTM BIT(19)
381 #define CFG_CHANGED_BGSCAN BIT(20)
382 #define CFG_CHANGED_DISABLE_BTM_NOTIFY BIT(21)
383 
384 /**
385  * struct wpa_config - wpa_supplicant configuration data
386  *
387  * This data structure is presents the per-interface (radio) configuration
388  * data. In many cases, there is only one struct wpa_config instance, but if
389  * more than one network interface is being controlled, one instance is used
390  * for each.
391  */
392 struct wpa_config {
393 	/**
394 	 * ssid - Head of the global network list
395 	 *
396 	 * This is the head for the list of all the configured networks.
397 	 */
398 	struct wpa_ssid *ssid;
399 
400 	/**
401 	 * pssid - Per-priority network lists (in priority order)
402 	 */
403 	struct wpa_ssid **pssid;
404 
405 	/**
406 	 * num_prio - Number of different priorities used in the pssid lists
407 	 *
408 	 * This indicates how many per-priority network lists are included in
409 	 * pssid.
410 	 */
411 	size_t num_prio;
412 
413 	/**
414 	 * cred - Head of the credential list
415 	 *
416 	 * This is the head for the list of all the configured credentials.
417 	 */
418 	struct wpa_cred *cred;
419 
420 	/**
421 	 * eapol_version - IEEE 802.1X/EAPOL version number
422 	 *
423 	 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which
424 	 * defines EAPOL version 2. However, there are many APs that do not
425 	 * handle the new version number correctly (they seem to drop the
426 	 * frames completely). In order to make wpa_supplicant interoperate
427 	 * with these APs, the version number is set to 1 by default. This
428 	 * configuration value can be used to set it to the new version (2).
429 	 */
430 	int eapol_version;
431 
432 	/**
433 	 * ap_scan - AP scanning/selection
434 	 *
435 	 * By default, wpa_supplicant requests driver to perform AP
436 	 * scanning and then uses the scan results to select a
437 	 * suitable AP. Another alternative is to allow the driver to
438 	 * take care of AP scanning and selection and use
439 	 * wpa_supplicant just to process EAPOL frames based on IEEE
440 	 * 802.11 association information from the driver.
441 	 *
442 	 * 1: wpa_supplicant initiates scanning and AP selection (default).
443 	 *
444 	 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11
445 	 * association parameters (e.g., WPA IE generation); this mode can
446 	 * also be used with non-WPA drivers when using IEEE 802.1X mode;
447 	 * do not try to associate with APs (i.e., external program needs
448 	 * to control association). This mode must also be used when using
449 	 * wired Ethernet drivers.
450 	 *
451 	 * 2: like 0, but associate with APs using security policy and SSID
452 	 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS
453 	 * drivers to enable operation with hidden SSIDs and optimized roaming;
454 	 * in this mode, the network blocks in the configuration are tried
455 	 * one by one until the driver reports successful association; each
456 	 * network block should have explicit security policy (i.e., only one
457 	 * option in the lists) for key_mgmt, pairwise, group, proto variables.
458 	 *
459 	 * Note: ap_scan=2 should not be used with the nl80211 driver interface
460 	 * (the current Linux interface). ap_scan=1 is optimized work working
461 	 * with nl80211. For finding networks using hidden SSID, scan_ssid=1 in
462 	 * the network block can be used with nl80211.
463 	 */
464 	int ap_scan;
465 
466 	/**
467 	 * bgscan - Background scan and roaming parameters or %NULL if none
468 	 *
469 	 * This is an optional set of parameters for background scanning and
470 	 * roaming within a network (ESS). For more detailed information see
471 	 * ssid block documentation.
472 	 *
473 	 * The variable defines default bgscan behavior for all BSS station
474 	 * networks except for those which have their own bgscan configuration.
475 	 */
476 	 char *bgscan;
477 
478 	/**
479 	 * disable_scan_offload - Disable automatic offloading of scan requests
480 	 *
481 	 * By default, %wpa_supplicant tries to offload scanning if the driver
482 	 * indicates support for this (sched_scan). This configuration
483 	 * parameter can be used to disable this offloading mechanism.
484 	 */
485 	int disable_scan_offload;
486 
487 	/**
488 	 * ctrl_interface - Parameters for the control interface
489 	 *
490 	 * If this is specified, %wpa_supplicant will open a control interface
491 	 * that is available for external programs to manage %wpa_supplicant.
492 	 * The meaning of this string depends on which control interface
493 	 * mechanism is used. For all cases, the existence of this parameter
494 	 * in configuration is used to determine whether the control interface
495 	 * is enabled.
496 	 *
497 	 * For UNIX domain sockets (default on Linux and BSD): This is a
498 	 * directory that will be created for UNIX domain sockets for listening
499 	 * to requests from external programs (CLI/GUI, etc.) for status
500 	 * information and configuration. The socket file will be named based
501 	 * on the interface name, so multiple %wpa_supplicant processes can be
502 	 * run at the same time if more than one interface is used.
503 	 * /var/run/wpa_supplicant is the recommended directory for sockets and
504 	 * by default, wpa_cli will use it when trying to connect with
505 	 * %wpa_supplicant.
506 	 *
507 	 * Access control for the control interface can be configured
508 	 * by setting the directory to allow only members of a group
509 	 * to use sockets. This way, it is possible to run
510 	 * %wpa_supplicant as root (since it needs to change network
511 	 * configuration and open raw sockets) and still allow GUI/CLI
512 	 * components to be run as non-root users. However, since the
513 	 * control interface can be used to change the network
514 	 * configuration, this access needs to be protected in many
515 	 * cases. By default, %wpa_supplicant is configured to use gid
516 	 * 0 (root). If you want to allow non-root users to use the
517 	 * control interface, add a new group and change this value to
518 	 * match with that group. Add users that should have control
519 	 * interface access to this group.
520 	 *
521 	 * When configuring both the directory and group, use following format:
522 	 * DIR=/var/run/wpa_supplicant GROUP=wheel
523 	 * DIR=/var/run/wpa_supplicant GROUP=0
524 	 * (group can be either group name or gid)
525 	 *
526 	 * For UDP connections (default on Windows): The value will be ignored.
527 	 * This variable is just used to select that the control interface is
528 	 * to be created. The value can be set to, e.g., udp
529 	 * (ctrl_interface=udp).
530 	 *
531 	 * For Windows Named Pipe: This value can be used to set the security
532 	 * descriptor for controlling access to the control interface. Security
533 	 * descriptor can be set using Security Descriptor String Format (see
534 	 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp).
535 	 * The descriptor string needs to be prefixed with SDDL=. For example,
536 	 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject
537 	 * all connections).
538 	 */
539 	char *ctrl_interface;
540 
541 	/**
542 	 * ctrl_interface_group - Control interface group (DEPRECATED)
543 	 *
544 	 * This variable is only used for backwards compatibility. Group for
545 	 * UNIX domain sockets should now be specified using GROUP=group in
546 	 * ctrl_interface variable.
547 	 */
548 	char *ctrl_interface_group;
549 
550 	/**
551 	 * fast_reauth - EAP fast re-authentication (session resumption)
552 	 *
553 	 * By default, fast re-authentication is enabled for all EAP methods
554 	 * that support it. This variable can be used to disable fast
555 	 * re-authentication (by setting fast_reauth=0). Normally, there is no
556 	 * need to disable fast re-authentication.
557 	 */
558 	int fast_reauth;
559 
560 	/**
561 	 * opensc_engine_path - Path to the OpenSSL engine for opensc
562 	 *
563 	 * This is an OpenSSL specific configuration option for loading OpenSC
564 	 * engine (engine_opensc.so); if %NULL, this engine is not loaded.
565 	 */
566 	char *opensc_engine_path;
567 
568 	/**
569 	 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11
570 	 *
571 	 * This is an OpenSSL specific configuration option for loading PKCS#11
572 	 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded.
573 	 */
574 	char *pkcs11_engine_path;
575 
576 	/**
577 	 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module
578 	 *
579 	 * This is an OpenSSL specific configuration option for configuring
580 	 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this
581 	 * module is not loaded.
582 	 */
583 	char *pkcs11_module_path;
584 
585 	/**
586 	 * openssl_ciphers - OpenSSL cipher string
587 	 *
588 	 * This is an OpenSSL specific configuration option for configuring the
589 	 * default ciphers. If not set, "DEFAULT:!EXP:!LOW" is used as the
590 	 * default.
591 	 */
592 	char *openssl_ciphers;
593 
594 	/**
595 	 * pcsc_reader - PC/SC reader name prefix
596 	 *
597 	 * If not %NULL, PC/SC reader with a name that matches this prefix is
598 	 * initialized for SIM/USIM access. Empty string can be used to match
599 	 * the first available reader.
600 	 */
601 	char *pcsc_reader;
602 
603 	/**
604 	 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards
605 	 *
606 	 * This field is used to configure PIN for SIM/USIM for EAP-SIM and
607 	 * EAP-AKA. If left out, this will be asked through control interface.
608 	 */
609 	char *pcsc_pin;
610 
611 	/**
612 	 * external_sim - Use external processing for SIM/USIM operations
613 	 */
614 	int external_sim;
615 
616 	/**
617 	 * driver_param - Driver interface parameters
618 	 *
619 	 * This text string is passed to the selected driver interface with the
620 	 * optional struct wpa_driver_ops::set_param() handler. This can be
621 	 * used to configure driver specific options without having to add new
622 	 * driver interface functionality.
623 	 */
624 	char *driver_param;
625 
626 	/**
627 	 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK
628 	 *
629 	 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK
630 	 * cache (unit: seconds).
631 	 */
632 	unsigned int dot11RSNAConfigPMKLifetime;
633 
634 	/**
635 	 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold
636 	 *
637 	 * dot11 MIB variable for the percentage of the PMK lifetime
638 	 * that should expire before an IEEE 802.1X reauthentication occurs.
639 	 */
640 	unsigned int dot11RSNAConfigPMKReauthThreshold;
641 
642 	/**
643 	 * dot11RSNAConfigSATimeout - Security association timeout
644 	 *
645 	 * dot11 MIB variable for the maximum time a security association
646 	 * shall take to set up (unit: seconds).
647 	 */
648 	unsigned int dot11RSNAConfigSATimeout;
649 
650 	/**
651 	 * update_config - Is wpa_supplicant allowed to update configuration
652 	 *
653 	 * This variable control whether wpa_supplicant is allow to re-write
654 	 * its configuration with wpa_config_write(). If this is zero,
655 	 * configuration data is only changed in memory and the external data
656 	 * is not overridden. If this is non-zero, wpa_supplicant will update
657 	 * the configuration data (e.g., a file) whenever configuration is
658 	 * changed. This update may replace the old configuration which can
659 	 * remove comments from it in case of a text file configuration.
660 	 */
661 	int update_config;
662 
663 	/**
664 	 * blobs - Configuration blobs
665 	 */
666 	struct wpa_config_blob *blobs;
667 
668 	/**
669 	 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS
670 	 */
671 	u8 uuid[16];
672 
673 	/**
674 	 * auto_uuid - Automatic UUID behavior
675 	 * 0 = generate static value based on the local MAC address (default)
676 	 * 1 = generate a random UUID every time wpa_supplicant starts
677 	 */
678 	int auto_uuid;
679 
680 	/**
681 	 * device_name - Device Name (WPS)
682 	 * User-friendly description of device; up to 32 octets encoded in
683 	 * UTF-8
684 	 */
685 	char *device_name;
686 
687 	/**
688 	 * manufacturer - Manufacturer (WPS)
689 	 * The manufacturer of the device (up to 64 ASCII characters)
690 	 */
691 	char *manufacturer;
692 
693 	/**
694 	 * model_name - Model Name (WPS)
695 	 * Model of the device (up to 32 ASCII characters)
696 	 */
697 	char *model_name;
698 
699 	/**
700 	 * model_number - Model Number (WPS)
701 	 * Additional device description (up to 32 ASCII characters)
702 	 */
703 	char *model_number;
704 
705 	/**
706 	 * serial_number - Serial Number (WPS)
707 	 * Serial number of the device (up to 32 characters)
708 	 */
709 	char *serial_number;
710 
711 	/**
712 	 * device_type - Primary Device Type (WPS)
713 	 */
714 	u8 device_type[WPS_DEV_TYPE_LEN];
715 
716 	/**
717 	 * config_methods - Config Methods
718 	 *
719 	 * This is a space-separated list of supported WPS configuration
720 	 * methods. For example, "label virtual_display virtual_push_button
721 	 * keypad".
722 	 * Available methods: usba ethernet label display ext_nfc_token
723 	 * int_nfc_token nfc_interface push_button keypad
724 	 * virtual_display physical_display
725 	 * virtual_push_button physical_push_button.
726 	 */
727 	char *config_methods;
728 
729 	/**
730 	 * os_version - OS Version (WPS)
731 	 * 4-octet operating system version number
732 	 */
733 	u8 os_version[4];
734 
735 	/**
736 	 * country - Country code
737 	 *
738 	 * This is the ISO/IEC alpha2 country code for which we are operating
739 	 * in
740 	 */
741 	char country[2];
742 
743 	/**
744 	 * wps_cred_processing - Credential processing
745 	 *
746 	 *   0 = process received credentials internally
747 	 *   1 = do not process received credentials; just pass them over
748 	 *	ctrl_iface to external program(s)
749 	 *   2 = process received credentials internally and pass them over
750 	 *	ctrl_iface to external program(s)
751 	 */
752 	int wps_cred_processing;
753 
754 	/**
755 	 * wps_cred_add_sae - Whether to enable SAE automatically for WPS
756 	 *
757 	 * 0 = only add the explicitly listed WPA2-PSK configuration
758 	 * 1 = add both the WPA2-PSK and SAE configuration and enable PMF so
759 	 *     that the station gets configured in WPA3-Personal transition mode
760 	 *     (supports both WPA2-Personal (PSK) and WPA3-Personal (SAE) APs).
761 	 */
762 	int wps_cred_add_sae;
763 
764 #define MAX_SEC_DEVICE_TYPES 5
765 	/**
766 	 * sec_device_types - Secondary Device Types (P2P)
767 	 */
768 	u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
769 	int num_sec_device_types;
770 
771 	int p2p_listen_reg_class;
772 	int p2p_listen_channel;
773 	int p2p_oper_reg_class;
774 	int p2p_oper_channel;
775 	int p2p_go_intent;
776 	char *p2p_ssid_postfix;
777 	int persistent_reconnect;
778 	int p2p_intra_bss;
779 	unsigned int num_p2p_pref_chan;
780 	struct p2p_channel *p2p_pref_chan;
781 	struct wpa_freq_range_list p2p_no_go_freq;
782 	int p2p_add_cli_chan;
783 	int p2p_ignore_shared_freq;
784 	int p2p_optimize_listen_chan;
785 
786 	int p2p_6ghz_disable;
787 
788 	struct wpabuf *wps_vendor_ext_m1;
789 
790 #define MAX_WPS_VENDOR_EXT 10
791 	/**
792 	 * wps_vendor_ext - Vendor extension attributes in WPS
793 	 */
794 	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT];
795 
796 	/**
797 	 * p2p_group_idle - Maximum idle time in seconds for P2P group
798 	 *
799 	 * This value controls how long a P2P group is maintained after there
800 	 * is no other members in the group. As a GO, this means no associated
801 	 * stations in the group. As a P2P client, this means no GO seen in
802 	 * scan results. The maximum idle time is specified in seconds with 0
803 	 * indicating no time limit, i.e., the P2P group remains in active
804 	 * state indefinitely until explicitly removed. As a P2P client, the
805 	 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e.,
806 	 * this parameter is mainly meant for GO use and for P2P client, it can
807 	 * only be used to reduce the default timeout to smaller value. A
808 	 * special value -1 can be used to configure immediate removal of the
809 	 * group for P2P client role on any disconnection after the data
810 	 * connection has been established.
811 	 */
812 	int p2p_group_idle;
813 
814 	/**
815 	 * p2p_go_freq_change_policy - The GO frequency change policy
816 	 *
817 	 * This controls the behavior of the GO when there is a change in the
818 	 * map of the currently used frequencies in case more than one channel
819 	 * is supported.
820 	 *
821 	 * @P2P_GO_FREQ_MOVE_SCM: Prefer working in a single channel mode if
822 	 * possible. In case the GO is the only interface using its frequency
823 	 * and there are other station interfaces on other frequencies, the GO
824 	 * will migrate to one of these frequencies.
825 	 *
826 	 * @P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS: Same as P2P_GO_FREQ_MOVE_SCM,
827 	 * but a transition is possible only in case one of the other used
828 	 * frequencies is one of the frequencies in the intersection of the
829 	 * frequency list of the local device and the peer device.
830 	 *
831 	 * @P2P_GO_FREQ_MOVE_STAY: Prefer to stay on the current frequency.
832 	 *
833 	 * @P2P_GO_FREQ_MOVE_SCM_ECSA: Same as
834 	 * P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS but a transition is possible only
835 	 * if all the group members advertise eCSA support.
836 	 */
837 	enum {
838 		P2P_GO_FREQ_MOVE_SCM = 0,
839 		P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS = 1,
840 		P2P_GO_FREQ_MOVE_STAY = 2,
841 		P2P_GO_FREQ_MOVE_SCM_ECSA = 3,
842 		P2P_GO_FREQ_MOVE_MAX = P2P_GO_FREQ_MOVE_SCM_ECSA,
843 	} p2p_go_freq_change_policy;
844 
845 #define DEFAULT_P2P_GO_FREQ_MOVE P2P_GO_FREQ_MOVE_STAY
846 
847 	/**
848 	 * p2p_passphrase_len - Passphrase length (8..63) for P2P GO
849 	 *
850 	 * This parameter controls the length of the random passphrase that is
851 	 * generated at the GO.
852 	 */
853 	unsigned int p2p_passphrase_len;
854 
855 	/**
856 	 * bss_max_count - Maximum number of BSS entries to keep in memory
857 	 */
858 	unsigned int bss_max_count;
859 
860 	/**
861 	 * bss_expiration_age - BSS entry age after which it can be expired
862 	 *
863 	 * This value controls the time in seconds after which a BSS entry
864 	 * gets removed if it has not been updated or is not in use.
865 	 */
866 	unsigned int bss_expiration_age;
867 
868 	/**
869 	 * bss_expiration_scan_count - Expire BSS after number of scans
870 	 *
871 	 * If the BSS entry has not been seen in this many scans, it will be
872 	 * removed. A value of 1 means that entry is removed after the first
873 	 * scan in which the BSSID is not seen. Larger values can be used
874 	 * to avoid BSS entries disappearing if they are not visible in
875 	 * every scan (e.g., low signal quality or interference).
876 	 */
877 	unsigned int bss_expiration_scan_count;
878 
879 	/**
880 	 * filter_ssids - SSID-based scan result filtering
881 	 *
882 	 *   0 = do not filter scan results
883 	 *   1 = only include configured SSIDs in scan results/BSS table
884 	 */
885 	int filter_ssids;
886 
887 	/**
888 	 * filter_rssi - RSSI-based scan result filtering
889 	 *
890 	 * 0 = do not filter scan results
891 	 * -n = filter scan results below -n dBm
892 	 */
893 	int filter_rssi;
894 
895 	/**
896 	 * max_num_sta - Maximum number of STAs in an AP/P2P GO
897 	 */
898 	unsigned int max_num_sta;
899 
900 	/**
901 	 * ap_isolate - Whether to use client isolation feature
902 	 *
903 	 * Client isolation can be used to prevent low-level bridging of
904 	 * frames between associated stations in the BSS. By default,
905 	 * this bridging is allowed (ap_isolate=0); except in P2P GO case,
906 	 * where p2p_intra_bss parameter is used to determine whether to allow
907 	 * intra-BSS forwarding (ap_isolate = !p2p_intra_bss).
908 	 *
909 	 * 0 = do not enable AP isolation
910 	 * 1 = enable AP isolation
911 	 */
912 	int ap_isolate;
913 
914 	/**
915 	 * freq_list - Array of allowed scan frequencies or %NULL for all
916 	 *
917 	 * This is an optional zero-terminated array of frequencies in
918 	 * megahertz (MHz) to allow for narrowing scanning range.
919 	 */
920 	int *freq_list;
921 
922 	/**
923 	 * initial_freq_list - like freq_list but for initial scan
924 	 *
925 	 * This is an optional zero-terminated array of frequencies in
926 	 * megahertz (MHz) to allow for narrowing scanning range when
927 	 * the application is started.
928 	 *
929 	 * This can be used to speed up initial connection time if the
930 	 * channel is known ahead of time, without limiting the scanned
931 	 * frequencies during normal use.
932 	 */
933 	int *initial_freq_list;
934 
935 	/**
936 	 * scan_cur_freq - Whether to scan only the current channel
937 	 *
938 	 * If true, attempt to scan only the current channel if any other
939 	 * VIFs on this radio are already associated on a particular channel.
940 	 */
941 	int scan_cur_freq;
942 
943 	/**
944 	 * scan_res_valid_for_connect - Seconds scans are valid for association
945 	 *
946 	 * This configures the number of seconds old scan results are considered
947 	 * valid for association. When scan results are older than this value
948 	 * a new scan is triggered prior to the association.
949 	 */
950 	int scan_res_valid_for_connect;
951 
952 	/**
953 	 * changed_parameters - Bitmap of changed parameters since last update
954 	 */
955 	unsigned int changed_parameters;
956 
957 	/**
958 	 * disassoc_low_ack - Disassociate stations with massive packet loss
959 	 */
960 	int disassoc_low_ack;
961 
962 	/**
963 	 * interworking - Whether Interworking (IEEE 802.11u) is enabled
964 	 */
965 	int interworking;
966 
967 	/**
968 	 * access_network_type - Access Network Type
969 	 *
970 	 * When Interworking is enabled, scans will be limited to APs that
971 	 * advertise the specified Access Network Type (0..15; with 15
972 	 * indicating wildcard match).
973 	 */
974 	int access_network_type;
975 
976 	 /**
977 	  * go_interworking - Whether Interworking for P2P GO is enabled
978 	  */
979 	int go_interworking;
980 
981 	/**
982 	 * go_access_network_type - P2P GO Access Network Type
983 	 *
984 	 * This indicates which access network type to advertise if Interworking
985 	 * is enabled for P2P GO.
986 	 */
987 	int go_access_network_type;
988 
989 	/**
990 	 * go_internet - Interworking: Internet connectivity (0 or 1)
991 	 */
992 	int go_internet;
993 
994 	/**
995 	 * go_venue_group - Interworking: Venue group
996 	 */
997 	int go_venue_group;
998 
999 	/**
1000 	 * go_venue_type: Interworking: Venue type
1001 	 */
1002 	int go_venue_type;
1003 
1004 	/**
1005 	 * hessid - Homogeneous ESS identifier
1006 	 *
1007 	 * If this is set (any octet is non-zero), scans will be used to
1008 	 * request response only from BSSes belonging to the specified
1009 	 * Homogeneous ESS. This is used only if interworking is enabled.
1010 	 */
1011 	u8 hessid[ETH_ALEN];
1012 
1013 	/**
1014 	 * hs20 - Hotspot 2.0
1015 	 */
1016 	int hs20;
1017 
1018 	/**
1019 	 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7
1020 	 *
1021 	 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities
1022 	 * by acting as a Registrar and using M1 from the AP. The config
1023 	 * methods attribute in that message is supposed to indicate only the
1024 	 * configuration method supported by the AP in Enrollee role, i.e., to
1025 	 * add an external Registrar. For that case, PBC shall not be used and
1026 	 * as such, the PushButton config method is removed from M1 by default.
1027 	 * If pbc_in_m1=1 is included in the configuration file, the PushButton
1028 	 * config method is left in M1 (if included in config_methods
1029 	 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from
1030 	 * a label in the AP).
1031 	 */
1032 	int pbc_in_m1;
1033 
1034 	/**
1035 	 * autoscan - Automatic scan parameters or %NULL if none
1036 	 *
1037 	 * This is an optional set of parameters for automatic scanning
1038 	 * within an interface in following format:
1039 	 * <autoscan module name>:<module parameters>
1040 	 */
1041 	char *autoscan;
1042 
1043 	/**
1044 	 * wps_nfc_pw_from_config - NFC Device Password was read from config
1045 	 *
1046 	 * This parameter can be determined whether the NFC Device Password was
1047 	 * included in the configuration (1) or generated dynamically (0). Only
1048 	 * the former case is re-written back to the configuration file.
1049 	 */
1050 	int wps_nfc_pw_from_config;
1051 
1052 	/**
1053 	 * wps_nfc_dev_pw_id - NFC Device Password ID for password token
1054 	 */
1055 	int wps_nfc_dev_pw_id;
1056 
1057 	/**
1058 	 * wps_nfc_dh_pubkey - NFC DH Public Key for password token
1059 	 */
1060 	struct wpabuf *wps_nfc_dh_pubkey;
1061 
1062 	/**
1063 	 * wps_nfc_dh_privkey - NFC DH Private Key for password token
1064 	 */
1065 	struct wpabuf *wps_nfc_dh_privkey;
1066 
1067 	/**
1068 	 * wps_nfc_dev_pw - NFC Device Password for password token
1069 	 */
1070 	struct wpabuf *wps_nfc_dev_pw;
1071 
1072 	/**
1073 	 * ext_password_backend - External password backend or %NULL if none
1074 	 *
1075 	 * format: <backend name>[:<optional backend parameters>]
1076 	 */
1077 	char *ext_password_backend;
1078 
1079 	/*
1080 	 * p2p_go_max_inactivity - Timeout in seconds to detect STA inactivity
1081 	 *
1082 	 * This timeout value is used in P2P GO mode to clean up
1083 	 * inactive stations.
1084 	 * By default: 300 seconds.
1085 	 */
1086 	int p2p_go_max_inactivity;
1087 
1088 	struct hostapd_wmm_ac_params wmm_ac_params[4];
1089 	struct hostapd_tx_queue_params tx_queue[4];
1090 
1091 	/**
1092 	 * auto_interworking - Whether to use network selection automatically
1093 	 *
1094 	 * 0 = do not automatically go through Interworking network selection
1095 	 *     (i.e., require explicit interworking_select command for this)
1096 	 * 1 = perform Interworking network selection if one or more
1097 	 *     credentials have been configured and scan did not find a
1098 	 *     matching network block
1099 	 */
1100 	int auto_interworking;
1101 
1102 	/**
1103 	 * p2p_go_ht40 - Default mode for HT40 enable when operating as GO.
1104 	 *
1105 	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
1106 	 * Note that regulatory constraints and driver capabilities are
1107 	 * consulted anyway, so setting it to 1 can't do real harm.
1108 	 * By default: 0 (disabled)
1109 	 */
1110 	int p2p_go_ht40;
1111 
1112 	/**
1113 	 * p2p_go_vht - Default mode for VHT enable when operating as GO
1114 	 *
1115 	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
1116 	 * Note that regulatory constraints and driver capabilities are
1117 	 * consulted anyway, so setting it to 1 can't do real harm.
1118 	 * By default: 0 (disabled)
1119 	 */
1120 	int p2p_go_vht;
1121 
1122 	/**
1123 	 * p2p_go_edmg - Default mode for EDMG enable when operating as GO
1124 	 *
1125 	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
1126 	 * Note that regulatory constraints and driver capabilities are
1127 	 * consulted anyway, so setting it to 1 can't do real harm.
1128 	 * By default: 0 (disabled)
1129 	 */
1130 	int p2p_go_edmg;
1131 
1132 	/**
1133 	 * p2p_go_he - Default mode for 11ax HE enable when operating as GO
1134 	 *
1135 	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
1136 	 * Note that regulatory constraints and driver capabilities are
1137 	 * consulted anyway, so setting it to 1 can't do real harm.
1138 	 * By default: 0 (disabled)
1139 	 */
1140 	int p2p_go_he;
1141 
1142 	/**
1143 	 * p2p_go_ctwindow - CTWindow to use when operating as GO
1144 	 *
1145 	 * By default: 0 (no CTWindow). Values 0-127 can be used to indicate
1146 	 * the length of the CTWindow in TUs.
1147 	 */
1148 	int p2p_go_ctwindow;
1149 
1150 	/**
1151 	 * p2p_disabled - Whether P2P operations are disabled for this interface
1152 	 */
1153 	int p2p_disabled;
1154 
1155 	/**
1156 	 * p2p_no_group_iface - Whether group interfaces can be used
1157 	 *
1158 	 * By default, wpa_supplicant will create a separate interface for P2P
1159 	 * group operations if the driver supports this. This functionality can
1160 	 * be disabled by setting this parameter to 1. In that case, the same
1161 	 * interface that was used for the P2P management operations is used
1162 	 * also for the group operation.
1163 	 */
1164 	int p2p_no_group_iface;
1165 
1166 	/**
1167 	 * p2p_cli_probe - Enable/disable P2P CLI probe request handling
1168 	 *
1169 	 * If this parameter is set to 1, a connected P2P Client will receive
1170 	 * and handle Probe Request frames. Setting this parameter to 0
1171 	 * disables this option. Default value: 0.
1172 	 *
1173 	 * Note: Setting this property at run time takes effect on the following
1174 	 * interface state transition to/from the WPA_COMPLETED state.
1175 	 */
1176 	int p2p_cli_probe;
1177 
1178 	/**
1179 	 * okc - Whether to enable opportunistic key caching by default
1180 	 *
1181 	 * By default, OKC is disabled unless enabled by the per-network
1182 	 * proactive_key_caching=1 parameter. okc=1 can be used to change this
1183 	 * default behavior.
1184 	 */
1185 	int okc;
1186 
1187 	/**
1188 	 * pmf - Whether to enable/require PMF by default
1189 	 *
1190 	 * By default, PMF is disabled unless enabled by the per-network
1191 	 * ieee80211w=1 or ieee80211w=2 parameter. pmf=1/2 can be used to change
1192 	 * this default behavior for RSN network (this is not applicable for
1193 	 * non-RSN cases).
1194 	 */
1195 	enum mfp_options pmf;
1196 
1197 	/**
1198 	 * sae_groups - Preference list of enabled groups for SAE
1199 	 *
1200 	 * By default (if this parameter is not set), the mandatory group 19
1201 	 * (ECC group defined over a 256-bit prime order field) is preferred,
1202 	 * but other groups are also enabled. If this parameter is set, the
1203 	 * groups will be tried in the indicated order.
1204 	 */
1205 	int *sae_groups;
1206 
1207 	/**
1208 	 * sae_pwe - SAE mechanism for PWE derivation
1209 	 * 0 = hunting-and-pecking loop only
1210 	 * 1 = hash-to-element only
1211 	 * 2 = both hunting-and-pecking loop and hash-to-element enabled
1212 	 */
1213 	int sae_pwe;
1214 
1215 	/**
1216 	 * sae_pmkid_in_assoc - Whether to include PMKID in SAE Assoc Req
1217 	 */
1218 	int sae_pmkid_in_assoc;
1219 
1220 	/**
1221 	 * dtim_period - Default DTIM period in Beacon intervals
1222 	 *
1223 	 * This parameter can be used to set the default value for network
1224 	 * blocks that do not specify dtim_period.
1225 	 */
1226 	int dtim_period;
1227 
1228 	/**
1229 	 * beacon_int - Default Beacon interval in TU
1230 	 *
1231 	 * This parameter can be used to set the default value for network
1232 	 * blocks that do not specify beacon_int.
1233 	 */
1234 	int beacon_int;
1235 
1236 	/**
1237 	 * ap_vendor_elements: Vendor specific elements for Beacon/ProbeResp
1238 	 *
1239 	 * This parameter can be used to define additional vendor specific
1240 	 * elements for Beacon and Probe Response frames in AP/P2P GO mode. The
1241 	 * format for these element(s) is a hexdump of the raw information
1242 	 * elements (id+len+payload for one or more elements).
1243 	 */
1244 	struct wpabuf *ap_vendor_elements;
1245 
1246 	/**
1247 	 * ignore_old_scan_res - Ignore scan results older than request
1248 	 *
1249 	 * The driver may have a cache of scan results that makes it return
1250 	 * information that is older than our scan trigger. This parameter can
1251 	 * be used to configure such old information to be ignored instead of
1252 	 * allowing it to update the internal BSS table.
1253 	 */
1254 	int ignore_old_scan_res;
1255 
1256 	/**
1257 	 * sched_scan_interval -  schedule scan interval
1258 	 */
1259 	unsigned int sched_scan_interval;
1260 
1261 	/**
1262 	 * sched_scan_start_delay - Schedule scan start delay before first scan
1263 	 *
1264 	 * Delay (in seconds) before scheduling first scan plan cycle. The
1265 	 * driver may ignore this parameter and start immediately (or at any
1266 	 * other time), if this feature is not supported.
1267 	 */
1268 	unsigned int sched_scan_start_delay;
1269 
1270 	/**
1271 	 * tdls_external_control - External control for TDLS setup requests
1272 	 *
1273 	 * Enable TDLS mode where external programs are given the control
1274 	 * to specify the TDLS link to get established to the driver. The
1275 	 * driver requests the TDLS setup to the supplicant only for the
1276 	 * specified TDLS peers.
1277 	 */
1278 	int tdls_external_control;
1279 
1280 	u8 ip_addr_go[4];
1281 	u8 ip_addr_mask[4];
1282 	u8 ip_addr_start[4];
1283 	u8 ip_addr_end[4];
1284 
1285 	/**
1286 	 * osu_dir - OSU provider information directory
1287 	 *
1288 	 * If set, allow FETCH_OSU control interface command to be used to fetch
1289 	 * OSU provider information into all APs and store the results in this
1290 	 * directory.
1291 	 */
1292 	char *osu_dir;
1293 
1294 	/**
1295 	 * wowlan_triggers - Wake-on-WLAN triggers
1296 	 *
1297 	 * If set, these wowlan triggers will be configured.
1298 	 */
1299 	char *wowlan_triggers;
1300 
1301 	/**
1302 	 * p2p_search_delay - Extra delay between concurrent search iterations
1303 	 *
1304 	 * Add extra delay (in milliseconds) between search iterations when
1305 	 * there is a concurrent operation to make p2p_find friendlier to
1306 	 * concurrent operations by avoiding it from taking 100% of radio
1307 	 * resources.
1308 	 */
1309 	unsigned int p2p_search_delay;
1310 
1311 	/**
1312 	 * mac_addr - MAC address policy default
1313 	 *
1314 	 * 0 = use permanent MAC address
1315 	 * 1 = use random MAC address for each ESS connection
1316 	 * 2 = like 1, but maintain OUI (with local admin bit set)
1317 	 *
1318 	 * By default, permanent MAC address is used unless policy is changed by
1319 	 * the per-network mac_addr parameter. Global mac_addr=1 can be used to
1320 	 * change this default behavior.
1321 	 */
1322 	int mac_addr;
1323 
1324 	/**
1325 	 * rand_addr_lifetime - Lifetime of random MAC address in seconds
1326 	 */
1327 	unsigned int rand_addr_lifetime;
1328 
1329 	/**
1330 	 * preassoc_mac_addr - Pre-association MAC address policy
1331 	 *
1332 	 * 0 = use permanent MAC address
1333 	 * 1 = use random MAC address
1334 	 * 2 = like 1, but maintain OUI (with local admin bit set)
1335 	 */
1336 	int preassoc_mac_addr;
1337 
1338 	/**
1339 	 * key_mgmt_offload - Use key management offload
1340 	 *
1341 	 * Key management offload should be used if the device supports it.
1342 	 * Key management offload is the capability of a device operating as
1343 	 * a station to do the exchange necessary to establish temporal keys
1344 	 * during initial RSN connection, after roaming, or during a PTK
1345 	 * rekeying operation.
1346 	 */
1347 	int key_mgmt_offload;
1348 
1349 	/**
1350 	 * user_mpm - MPM residency
1351 	 *
1352 	 * 0: MPM lives in driver.
1353 	 * 1: wpa_supplicant handles peering and station allocation.
1354 	 *
1355 	 * If AMPE or SAE is enabled, the MPM is always in userspace.
1356 	 */
1357 	int user_mpm;
1358 
1359 	/**
1360 	 * max_peer_links - Maximum number of peer links
1361 	 *
1362 	 * Maximum number of mesh peering currently maintained by the STA.
1363 	 */
1364 	int max_peer_links;
1365 
1366 	/**
1367 	 * cert_in_cb - Whether to include a peer certificate dump in events
1368 	 *
1369 	 * This controls whether peer certificates for authentication server and
1370 	 * its certificate chain are included in EAP peer certificate events.
1371 	 */
1372 	int cert_in_cb;
1373 
1374 	/**
1375 	 * mesh_max_inactivity - Timeout in seconds to detect STA inactivity
1376 	 *
1377 	 * This timeout value is used in mesh STA to clean up inactive stations.
1378 	 * By default: 300 seconds.
1379 	 */
1380 	int mesh_max_inactivity;
1381 
1382 	/**
1383 	 * dot11RSNASAERetransPeriod - Timeout to retransmit SAE Auth frame
1384 	 *
1385 	 * This timeout value is used in mesh STA to retransmit
1386 	 * SAE Authentication frame.
1387 	 * By default: 1000 milliseconds.
1388 	 */
1389 	int dot11RSNASAERetransPeriod;
1390 
1391 	/**
1392 	 * passive_scan - Whether to force passive scan for network connection
1393 	 *
1394 	 * This parameter can be used to force only passive scanning to be used
1395 	 * for network connection cases. It should be noted that this will slow
1396 	 * down scan operations and reduce likelihood of finding the AP. In
1397 	 * addition, some use cases will override this due to functional
1398 	 * requirements, e.g., for finding an AP that uses hidden SSID
1399 	 * (scan_ssid=1) or P2P device discovery.
1400 	 */
1401 	int passive_scan;
1402 
1403 	/**
1404 	 * reassoc_same_bss_optim - Whether to optimize reassoc-to-same-BSS
1405 	 */
1406 	int reassoc_same_bss_optim;
1407 
1408 	/**
1409 	 * wps_priority - Priority for the networks added through WPS
1410 	 *
1411 	 * This priority value will be set to each network profile that is added
1412 	 * by executing the WPS protocol.
1413 	 */
1414 	int wps_priority;
1415 
1416 	/**
1417 	 * fst_group_id - FST group ID
1418 	 */
1419 	char *fst_group_id;
1420 
1421 	/**
1422 	 * fst_priority - priority of the interface within the FST group
1423 	 */
1424 	int fst_priority;
1425 
1426 	/**
1427 	 * fst_llt - default FST LLT (Link-Lost Timeout) to be used for the
1428 	 * interface.
1429 	 */
1430 	int fst_llt;
1431 
1432 	 /**
1433 	  * wpa_rsc_relaxation - RSC relaxation on GTK installation
1434 	  *
1435 	  * Values:
1436 	  * 0 - use the EAPOL-Key RSC value on GTK installation
1437 	  * 1 - use the null RSC if a bogus RSC value is detected in message 3
1438 	  * of 4-Way Handshake or message 1 of Group Key Handshake.
1439 	  */
1440 	 int wpa_rsc_relaxation;
1441 
1442 	/**
1443 	 * sched_scan_plans - Scan plans for scheduled scan
1444 	 *
1445 	 * Each scan plan specifies the interval between scans and the number of
1446 	 * iterations. The last scan plan only specifies the scan interval and
1447 	 * will be run infinitely.
1448 	 *
1449 	 * format: <interval:iterations> <interval2:iterations2> ... <interval>
1450 	 */
1451 	 char *sched_scan_plans;
1452 
1453 #ifdef CONFIG_MBO
1454 	/**
1455 	 * non_pref_chan - Non-preferred channels list, separated by spaces.
1456 	 *
1457 	 * format: op_class:chan:preference:reason<:detail>
1458 	 * Detail is optional.
1459 	 */
1460 	char *non_pref_chan;
1461 
1462 	/**
1463 	 * mbo_cell_capa - Cellular capabilities for MBO
1464 	 */
1465 	enum mbo_cellular_capa mbo_cell_capa;
1466 
1467 	/**
1468 	 * disassoc_imminent_rssi_threshold - RSSI threshold of candidate AP
1469 	 * when disassociation imminent is set.
1470 	 */
1471 	int disassoc_imminent_rssi_threshold;
1472 
1473 	/**
1474 	 * oce - Enable OCE in STA and/or STA-CFON mode
1475 	 *  - Set BIT(0) to enable OCE in non-AP STA mode
1476 	 *  - Set BIT(1) to enable OCE in STA-CFON mode
1477 	 */
1478 	unsigned int oce;
1479 #endif /* CONFIG_MBO */
1480 	/**
1481 	 * btm_offload - Set where to perform roaming logic
1482 	 *  - Set to 0 to handle fully roaming logic in supplicant
1483 	 *  - Set to 1 to skip roaming logic in supplicant for firmware roaming
1484 	 *    just parse BTM frame and notify framework
1485 	 */
1486 	int btm_offload;
1487 
1488 	/**
1489 	 * gas_address3 - GAS Address3 field behavior
1490 	 *
1491 	 * Values:
1492 	 * 0 - P2P specification (Address3 = AP BSSID)
1493 	 * 1 = IEEE 802.11 standard compliant (Address3 = Wildcard BSSID when
1494 	 *	sent to not-associated AP; if associated, AP BSSID)
1495 	 */
1496 	int gas_address3;
1497 
1498 	/**
1499 	 * ftm_responder - Publish FTM (fine timing measurement)
1500 	 * responder functionality
1501 	 *
1502 	 * Values:
1503 	 * 0 - do not publish FTM responder functionality (Default)
1504 	 * 1 - publish FTM responder functionality in
1505 	 *	bit 70 of Extended Capabilities element
1506 	 * Note, actual FTM responder operation is managed outside
1507 	 * wpa_supplicant.
1508 	 */
1509 	int ftm_responder;
1510 
1511 	/**
1512 	 * ftm_initiator - Publish FTM (fine timing measurement)
1513 	 * initiator functionality
1514 	 *
1515 	 * Values:
1516 	 * 0 - do not publish FTM initiator functionality (Default)
1517 	 * 1 - publish FTM initiator functionality in
1518 	 *	bit 71 of Extended Capabilities element
1519 	 * Note, actual FTM initiator operation is managed outside
1520 	 * wpa_supplicant.
1521 	 */
1522 	int ftm_initiator;
1523 
1524 	/**
1525 	 * gas_rand_addr_lifetime - Lifetime of random MAC address for ANQP in
1526 	 *	seconds
1527 	 */
1528 	unsigned int gas_rand_addr_lifetime;
1529 
1530 	/**
1531 	 * gas_rand_mac_addr - GAS MAC address policy
1532 	 *
1533 	 * 0 = use permanent MAC address
1534 	 * 1 = use random MAC address
1535 	 * 2 = like 1, but maintain OUI (with local admin bit set)
1536 	 */
1537 	int gas_rand_mac_addr;
1538 
1539 	/**
1540 	 * dpp_config_processing - How to process DPP configuration
1541 	 *
1542 	 * 0 = report received configuration to an external program for
1543 	 *	processing; do not generate any network profile internally
1544 	 * 1 = report received configuration to an external program and generate
1545 	 *	a network profile internally, but do not automatically connect
1546 	 *	to the created (disabled) profile; the network profile id is
1547 	 *	reported to external programs
1548 	 * 2 = report received configuration to an external program, generate
1549 	 *	a network profile internally, try to connect to the created
1550 	 *	profile automatically
1551 	 */
1552 	int dpp_config_processing;
1553 
1554 	/**
1555 	 * dpp_name - Name for Enrollee's DPP Configuration Request
1556 	 */
1557 	char *dpp_name;
1558 
1559 	/**
1560 	 * dpp_mud_url - MUD URL for Enrollee's DPP Configuration Request
1561 	 */
1562 	char *dpp_mud_url;
1563 
1564 	/**
1565 	 * coloc_intf_reporting - Colocated interference reporting
1566 	 *
1567 	 * dot11CoLocIntfReportingActivated
1568 	 * 0 = disabled (false)
1569 	 * 1 = enabled (true)
1570 	 */
1571 	int coloc_intf_reporting;
1572 
1573 	/**
1574 	 * p2p_device_random_mac_addr - P2P Device MAC address policy default
1575 	 *
1576 	 * 0 = use permanent MAC address (the one set by default by the device
1577 	 *     driver). Notice that, if the device driver is configured to
1578 	 *     always use random MAC addresses, this flag breaks reinvoking a
1579 	 *     persistent group, so flags 1 or 2 should be used instead with
1580 	 *     such drivers if persistent groups are used.
1581 	 * 1 = use random MAC address on creating the interface if there is no
1582 	 *     persistent group. Besides, if a persistent group is created,
1583 	 *     p2p_device_persistent_mac_addr is set to the MAC address of the
1584 	 *     P2P Device interface, so that this address will be subsequently
1585 	 *     used to change the MAC address of the P2P Device interface. With
1586 	 *     no persistent group, the random MAC address is created by
1587 	 *     wpa_supplicant, changing the one set by the device driver.
1588 	 *     The device driver shall support SIOCGIFFLAGS/SIOCSIFFLAGS ioctl
1589 	 *     interface control operations.
1590 	 * 2 = this flag should be used when the device driver uses random MAC
1591 	 *     addresses by default when a P2P Device interface is created.
1592 	 *     If p2p_device_persistent_mac_addr is set, use this MAC address
1593 	 *     on creating the P2P Device interface. If not set, use the
1594 	 *     default method adopted by the device driver (e.g., random MAC
1595 	 *     address). Besides, if a persistent group is created,
1596 	 *     p2p_device_persistent_mac_addr is set to the MAC address of the
1597 	 *     P2P Device interface, so that this address will be subsequently
1598 	 *     used in place of the default address set by the device driver.
1599 	 *     (This option does not need support of SIOCGIFFLAGS/SIOCSIFFLAGS
1600 	 *     ioctl interface control operations and uses NL80211_ATTR_MAC).
1601 	 *
1602 	 * By default, permanent MAC address is used.
1603 	 */
1604 	int p2p_device_random_mac_addr;
1605 
1606 	/**
1607 	 * p2p_device_persistent_mac_addr - Record last used MAC address
1608 	 *
1609 	 * If there are saved persistent groups, P2P cannot generate another
1610 	 * random MAC address, and need to restore to last used MAC address.
1611 	 */
1612 	u8 p2p_device_persistent_mac_addr[ETH_ALEN];
1613 
1614 	/**
1615 	 * p2p_interface_random_mac_addr - P2P Interface MAC address policy default
1616 	 *
1617 	 * 0 = use permanent MAC address
1618 	 * 1 = use random MAC address on creating the interface.
1619 	 *
1620 	 * By default, permanent MAC address is used.
1621 	 */
1622 	int p2p_interface_random_mac_addr;
1623 
1624 	/**
1625 	 * bss_no_flush_when_down - Whether to flush BSS entries when the interface is disabled
1626 	 *
1627 	 * 0 = Flush BSS entries when the interface becomes disabled (Default)
1628 	 * 1 = Do not flush BSS entries when the interface becomes disabled
1629 	 */
1630 	int bss_no_flush_when_down;
1631 
1632 	/**
1633 	 * disable_btm - Disable BSS transition management in STA
1634 	 * - Set to 0 to enable BSS transition management
1635 	 * - Set to 1 to disable BSS transition management
1636 	 *
1637 	 * By default BSS transition management is enabled
1638 	 */
1639 	int disable_btm;
1640 
1641 	/**
1642 	 * extended_key_id - Extended Key ID support
1643 	 *
1644 	 * IEEE Std 802.11-2016 optionally allows to use Key ID 0 and 1 for PTK
1645 	 * keys with Extended Key ID.
1646 	 *
1647 	 * 0 = don't use Extended Key ID
1648 	 * 1 = use Extended Key ID when possible
1649 	 */
1650 	int extended_key_id;
1651 
1652 	/**
1653 	 * wowlan_disconnect_on_deinit - Trigger disconnect on wpa_supplicant
1654 	 * interface deinit even if the driver has enabled WoWLAN.
1655 	 *
1656 	 * 0 = Do not disconnect
1657 	 * 1 = Trigger disconnection
1658 	 */
1659 	int wowlan_disconnect_on_deinit;
1660 
1661 #ifdef CONFIG_PASN
1662 #ifdef CONFIG_TESTING_OPTIONS
1663 	/*
1664 	 * Normally, KDK should be derived if and only if both sides support
1665 	 * secure LTF. Allow forcing KDK derivation for testing purposes.
1666 	 */
1667 	int force_kdk_derivation;
1668 #endif /* CONFIG_TESTING_OPTIONS */
1669 #endif /* CONFIG_PASN*/
1670 };
1671 
1672 
1673 /* Prototypes for common functions from config.c */
1674 
1675 void wpa_config_free(struct wpa_config *ssid);
1676 void wpa_config_free_ssid(struct wpa_ssid *ssid);
1677 void wpa_config_foreach_network(struct wpa_config *config,
1678 				void (*func)(void *, struct wpa_ssid *),
1679 				void *arg);
1680 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id);
1681 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config);
1682 int wpa_config_remove_network(struct wpa_config *config, int id);
1683 void wpa_config_set_network_defaults(struct wpa_ssid *ssid);
1684 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
1685 		   int line);
1686 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
1687 			  const char *value);
1688 int wpa_config_dump_values(struct wpa_config *config, char *buf,
1689 			   size_t buflen);
1690 int wpa_config_get_value(const char *name, struct wpa_config *config,
1691 			 char *buf, size_t buflen);
1692 
1693 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys);
1694 char * wpa_config_get(struct wpa_ssid *ssid, const char *var);
1695 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var);
1696 void wpa_config_update_psk(struct wpa_ssid *ssid);
1697 int wpa_config_add_prio_network(struct wpa_config *config,
1698 				struct wpa_ssid *ssid);
1699 int wpa_config_update_prio_list(struct wpa_config *config);
1700 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
1701 						   const char *name);
1702 void wpa_config_set_blob(struct wpa_config *config,
1703 			 struct wpa_config_blob *blob);
1704 void wpa_config_free_blob(struct wpa_config_blob *blob);
1705 int wpa_config_remove_blob(struct wpa_config *config, const char *name);
1706 void wpa_config_flush_blobs(struct wpa_config *config);
1707 
1708 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id);
1709 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config);
1710 int wpa_config_remove_cred(struct wpa_config *config, int id);
1711 void wpa_config_free_cred(struct wpa_cred *cred);
1712 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
1713 			const char *value, int line);
1714 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var);
1715 
1716 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
1717 					   const char *driver_param);
1718 #ifndef CONFIG_NO_STDOUT_DEBUG
1719 void wpa_config_debug_dump_networks(struct wpa_config *config);
1720 #else /* CONFIG_NO_STDOUT_DEBUG */
1721 #define wpa_config_debug_dump_networks(c) do { } while (0)
1722 #endif /* CONFIG_NO_STDOUT_DEBUG */
1723 
1724 
1725 /* Prototypes for common functions from config.c */
1726 int wpa_config_process_global(struct wpa_config *config, char *pos, int line);
1727 
1728 int wpa_config_get_num_global_field_names(void);
1729 
1730 const char * wpa_config_get_global_field_name(unsigned int i, int *no_var);
1731 
1732 /* Prototypes for backend specific functions from the selected config_*.c */
1733 
1734 /**
1735  * wpa_config_read - Read and parse configuration database
1736  * @name: Name of the configuration (e.g., path and file name for the
1737  * configuration file)
1738  * @cfgp: Pointer to previously allocated configuration data or %NULL if none
1739  * Returns: Pointer to allocated configuration data or %NULL on failure
1740  *
1741  * This function reads configuration data, parses its contents, and allocates
1742  * data structures needed for storing configuration information. The allocated
1743  * data can be freed with wpa_config_free().
1744  *
1745  * Each configuration backend needs to implement this function.
1746  */
1747 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp);
1748 
1749 /**
1750  * wpa_config_write - Write or update configuration data
1751  * @name: Name of the configuration (e.g., path and file name for the
1752  * configuration file)
1753  * @config: Configuration data from wpa_config_read()
1754  * Returns: 0 on success, -1 on failure
1755  *
1756  * This function write all configuration data into an external database (e.g.,
1757  * a text file) in a format that can be read with wpa_config_read(). This can
1758  * be used to allow wpa_supplicant to update its configuration, e.g., when a
1759  * new network is added or a password is changed.
1760  *
1761  * Each configuration backend needs to implement this function.
1762  */
1763 int wpa_config_write(const char *name, struct wpa_config *config);
1764 
1765 #endif /* CONFIG_H */
1766